ixgbe.c revision 1.275
1 /* $NetBSD: ixgbe.c,v 1.275 2020/12/26 06:17:55 msaitoh Exp $ */ 2 3 /****************************************************************************** 4 5 Copyright (c) 2001-2017, Intel Corporation 6 All rights reserved. 7 8 Redistribution and use in source and binary forms, with or without 9 modification, are permitted provided that the following conditions are met: 10 11 1. Redistributions of source code must retain the above copyright notice, 12 this list of conditions and the following disclaimer. 13 14 2. Redistributions in binary form must reproduce the above copyright 15 notice, this list of conditions and the following disclaimer in the 16 documentation and/or other materials provided with the distribution. 17 18 3. Neither the name of the Intel Corporation nor the names of its 19 contributors may be used to endorse or promote products derived from 20 this software without specific prior written permission. 21 22 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 23 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 26 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32 POSSIBILITY OF SUCH DAMAGE. 33 34 ******************************************************************************/ 35 /*$FreeBSD: head/sys/dev/ixgbe/if_ix.c 331224 2018-03-19 20:55:05Z erj $*/ 36 37 /* 38 * Copyright (c) 2011 The NetBSD Foundation, Inc. 39 * All rights reserved. 40 * 41 * This code is derived from software contributed to The NetBSD Foundation 42 * by Coyote Point Systems, Inc. 43 * 44 * Redistribution and use in source and binary forms, with or without 45 * modification, are permitted provided that the following conditions 46 * are met: 47 * 1. Redistributions of source code must retain the above copyright 48 * notice, this list of conditions and the following disclaimer. 49 * 2. Redistributions in binary form must reproduce the above copyright 50 * notice, this list of conditions and the following disclaimer in the 51 * documentation and/or other materials provided with the distribution. 52 * 53 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 54 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 55 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 56 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 57 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 58 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 59 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 60 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 61 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 62 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 63 * POSSIBILITY OF SUCH DAMAGE. 64 */ 65 66 #ifdef _KERNEL_OPT 67 #include "opt_inet.h" 68 #include "opt_inet6.h" 69 #include "opt_net_mpsafe.h" 70 #endif 71 72 #include "ixgbe.h" 73 #include "ixgbe_phy.h" 74 #include "ixgbe_sriov.h" 75 #include "vlan.h" 76 77 #include <sys/cprng.h> 78 #include <dev/mii/mii.h> 79 #include <dev/mii/miivar.h> 80 81 /************************************************************************ 82 * Driver version 83 ************************************************************************/ 84 static const char ixgbe_driver_version[] = "4.0.1-k"; 85 /* XXX NetBSD: + 3.3.10 */ 86 87 /************************************************************************ 88 * PCI Device ID Table 89 * 90 * Used by probe to select devices to load on 91 * Last field stores an index into ixgbe_strings 92 * Last entry must be all 0s 93 * 94 * { Vendor ID, Device ID, SubVendor ID, SubDevice ID, String Index } 95 ************************************************************************/ 96 static const ixgbe_vendor_info_t ixgbe_vendor_info_array[] = 97 { 98 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598AF_DUAL_PORT, 0, 0, 0}, 99 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598AF_SINGLE_PORT, 0, 0, 0}, 100 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598EB_CX4, 0, 0, 0}, 101 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598AT, 0, 0, 0}, 102 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598AT2, 0, 0, 0}, 103 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598, 0, 0, 0}, 104 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598_BX, 0, 0, 0}, 105 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598_DA_DUAL_PORT, 0, 0, 0}, 106 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598_CX4_DUAL_PORT, 0, 0, 0}, 107 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598EB_XF_LR, 0, 0, 0}, 108 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598_SR_DUAL_PORT_EM, 0, 0, 0}, 109 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598EB_SFP_LOM, 0, 0, 0}, 110 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_KR, 0, 0, 0}, 111 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_KX4, 0, 0, 0}, 112 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_KX4_MEZZ, 0, 0, 0}, 113 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_SFP, 0, 0, 0}, 114 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_SFP_EM, 0, 0, 0}, 115 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_XAUI_LOM, 0, 0, 0}, 116 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_CX4, 0, 0, 0}, 117 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_T3_LOM, 0, 0, 0}, 118 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_COMBO_BACKPLANE, 0, 0, 0}, 119 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_BACKPLANE_FCOE, 0, 0, 0}, 120 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_SFP_SF2, 0, 0, 0}, 121 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_SFP_FCOE, 0, 0, 0}, 122 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599EN_SFP, 0, 0, 0}, 123 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_SFP_SF_QP, 0, 0, 0}, 124 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_QSFP_SF_QP, 0, 0, 0}, 125 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X540T, 0, 0, 0}, 126 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X540T1, 0, 0, 0}, 127 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550T, 0, 0, 0}, 128 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550T1, 0, 0, 0}, 129 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_KR, 0, 0, 0}, 130 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_KX4, 0, 0, 0}, 131 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_10G_T, 0, 0, 0}, 132 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_1G_T, 0, 0, 0}, 133 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_SFP, 0, 0, 0}, 134 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_XFI, 0, 0, 0}, 135 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_KR, 0, 0, 0}, 136 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_KR_L, 0, 0, 0}, 137 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_QSFP, 0, 0, 0}, 138 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_QSFP_N, 0, 0, 0}, 139 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_SFP, 0, 0, 0}, 140 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_SFP_N, 0, 0, 0}, 141 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_SGMII, 0, 0, 0}, 142 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_SGMII_L, 0, 0, 0}, 143 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_10G_T, 0, 0, 0}, 144 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_1G_T, 0, 0, 0}, 145 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_1G_T_L, 0, 0, 0}, 146 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X540_BYPASS, 0, 0, 0}, 147 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_BYPASS, 0, 0, 0}, 148 /* required last entry */ 149 {0, 0, 0, 0, 0} 150 }; 151 152 /************************************************************************ 153 * Table of branding strings 154 ************************************************************************/ 155 static const char *ixgbe_strings[] = { 156 "Intel(R) PRO/10GbE PCI-Express Network Driver" 157 }; 158 159 /************************************************************************ 160 * Function prototypes 161 ************************************************************************/ 162 static int ixgbe_probe(device_t, cfdata_t, void *); 163 static void ixgbe_quirks(struct adapter *); 164 static void ixgbe_attach(device_t, device_t, void *); 165 static int ixgbe_detach(device_t, int); 166 #if 0 167 static int ixgbe_shutdown(device_t); 168 #endif 169 static bool ixgbe_suspend(device_t, const pmf_qual_t *); 170 static bool ixgbe_resume(device_t, const pmf_qual_t *); 171 static int ixgbe_ifflags_cb(struct ethercom *); 172 static int ixgbe_ioctl(struct ifnet *, u_long, void *); 173 static int ixgbe_init(struct ifnet *); 174 static void ixgbe_init_locked(struct adapter *); 175 static void ixgbe_ifstop(struct ifnet *, int); 176 static void ixgbe_stop_locked(void *); 177 static void ixgbe_init_device_features(struct adapter *); 178 static int ixgbe_check_fan_failure(struct adapter *, u32, bool); 179 static void ixgbe_add_media_types(struct adapter *); 180 static void ixgbe_media_status(struct ifnet *, struct ifmediareq *); 181 static int ixgbe_media_change(struct ifnet *); 182 static int ixgbe_allocate_pci_resources(struct adapter *, 183 const struct pci_attach_args *); 184 static void ixgbe_free_deferred_handlers(struct adapter *); 185 static void ixgbe_get_slot_info(struct adapter *); 186 static int ixgbe_allocate_msix(struct adapter *, 187 const struct pci_attach_args *); 188 static int ixgbe_allocate_legacy(struct adapter *, 189 const struct pci_attach_args *); 190 static int ixgbe_configure_interrupts(struct adapter *); 191 static void ixgbe_free_pciintr_resources(struct adapter *); 192 static void ixgbe_free_pci_resources(struct adapter *); 193 static void ixgbe_local_timer(void *); 194 static void ixgbe_handle_timer(struct work *, void *); 195 static void ixgbe_recovery_mode_timer(void *); 196 static void ixgbe_handle_recovery_mode_timer(struct work *, void *); 197 static int ixgbe_setup_interface(device_t, struct adapter *); 198 static void ixgbe_config_gpie(struct adapter *); 199 static void ixgbe_config_dmac(struct adapter *); 200 static void ixgbe_config_delay_values(struct adapter *); 201 static void ixgbe_schedule_admin_tasklet(struct adapter *); 202 static void ixgbe_config_link(struct adapter *); 203 static void ixgbe_check_wol_support(struct adapter *); 204 static int ixgbe_setup_low_power_mode(struct adapter *); 205 #if 0 206 static void ixgbe_rearm_queues(struct adapter *, u64); 207 #endif 208 209 static void ixgbe_initialize_transmit_units(struct adapter *); 210 static void ixgbe_initialize_receive_units(struct adapter *); 211 static void ixgbe_enable_rx_drop(struct adapter *); 212 static void ixgbe_disable_rx_drop(struct adapter *); 213 static void ixgbe_initialize_rss_mapping(struct adapter *); 214 215 static void ixgbe_enable_intr(struct adapter *); 216 static void ixgbe_disable_intr(struct adapter *); 217 static void ixgbe_update_stats_counters(struct adapter *); 218 static void ixgbe_set_rxfilter(struct adapter *); 219 static void ixgbe_update_link_status(struct adapter *); 220 static void ixgbe_set_ivar(struct adapter *, u8, u8, s8); 221 static void ixgbe_configure_ivars(struct adapter *); 222 static u8 * ixgbe_mc_array_itr(struct ixgbe_hw *, u8 **, u32 *); 223 static void ixgbe_eitr_write(struct adapter *, uint32_t, uint32_t); 224 225 static void ixgbe_setup_vlan_hw_tagging(struct adapter *); 226 static void ixgbe_setup_vlan_hw_support(struct adapter *); 227 static int ixgbe_vlan_cb(struct ethercom *, uint16_t, bool); 228 static int ixgbe_register_vlan(struct adapter *, u16); 229 static int ixgbe_unregister_vlan(struct adapter *, u16); 230 231 static void ixgbe_add_device_sysctls(struct adapter *); 232 static void ixgbe_add_hw_stats(struct adapter *); 233 static void ixgbe_clear_evcnt(struct adapter *); 234 static int ixgbe_set_flowcntl(struct adapter *, int); 235 static int ixgbe_set_advertise(struct adapter *, int); 236 static int ixgbe_get_advertise(struct adapter *); 237 238 /* Sysctl handlers */ 239 static void ixgbe_set_sysctl_value(struct adapter *, const char *, 240 const char *, int *, int); 241 static int ixgbe_sysctl_flowcntl(SYSCTLFN_PROTO); 242 static int ixgbe_sysctl_advertise(SYSCTLFN_PROTO); 243 static int ixgbe_sysctl_interrupt_rate_handler(SYSCTLFN_PROTO); 244 static int ixgbe_sysctl_dmac(SYSCTLFN_PROTO); 245 static int ixgbe_sysctl_phy_temp(SYSCTLFN_PROTO); 246 static int ixgbe_sysctl_phy_overtemp_occurred(SYSCTLFN_PROTO); 247 #ifdef IXGBE_DEBUG 248 static int ixgbe_sysctl_power_state(SYSCTLFN_PROTO); 249 static int ixgbe_sysctl_print_rss_config(SYSCTLFN_PROTO); 250 #endif 251 static int ixgbe_sysctl_next_to_check_handler(SYSCTLFN_PROTO); 252 static int ixgbe_sysctl_rdh_handler(SYSCTLFN_PROTO); 253 static int ixgbe_sysctl_rdt_handler(SYSCTLFN_PROTO); 254 static int ixgbe_sysctl_tdt_handler(SYSCTLFN_PROTO); 255 static int ixgbe_sysctl_tdh_handler(SYSCTLFN_PROTO); 256 static int ixgbe_sysctl_eee_state(SYSCTLFN_PROTO); 257 static int ixgbe_sysctl_debug(SYSCTLFN_PROTO); 258 static int ixgbe_sysctl_wol_enable(SYSCTLFN_PROTO); 259 static int ixgbe_sysctl_wufc(SYSCTLFN_PROTO); 260 261 /* Legacy (single vector) interrupt handler */ 262 static int ixgbe_legacy_irq(void *); 263 264 /* The MSI/MSI-X Interrupt handlers */ 265 static int ixgbe_msix_que(void *); 266 static int ixgbe_msix_admin(void *); 267 268 /* Event handlers running on workqueue */ 269 static void ixgbe_handle_que(void *); 270 static void ixgbe_handle_link(void *); 271 static void ixgbe_handle_msf(void *); 272 static void ixgbe_handle_mod(void *, bool); 273 static void ixgbe_handle_phy(void *); 274 275 /* Deferred workqueue handlers */ 276 static void ixgbe_handle_admin(struct work *, void *); 277 static void ixgbe_handle_que_work(struct work *, void *); 278 279 static const ixgbe_vendor_info_t *ixgbe_lookup(const struct pci_attach_args *); 280 281 /************************************************************************ 282 * NetBSD Device Interface Entry Points 283 ************************************************************************/ 284 CFATTACH_DECL3_NEW(ixg, sizeof(struct adapter), 285 ixgbe_probe, ixgbe_attach, ixgbe_detach, NULL, NULL, NULL, 286 DVF_DETACH_SHUTDOWN); 287 288 #if 0 289 devclass_t ix_devclass; 290 DRIVER_MODULE(ix, pci, ix_driver, ix_devclass, 0, 0); 291 292 MODULE_DEPEND(ix, pci, 1, 1, 1); 293 MODULE_DEPEND(ix, ether, 1, 1, 1); 294 #ifdef DEV_NETMAP 295 MODULE_DEPEND(ix, netmap, 1, 1, 1); 296 #endif 297 #endif 298 299 /* 300 * TUNEABLE PARAMETERS: 301 */ 302 303 /* 304 * AIM: Adaptive Interrupt Moderation 305 * which means that the interrupt rate 306 * is varied over time based on the 307 * traffic for that interrupt vector 308 */ 309 static bool ixgbe_enable_aim = true; 310 #define SYSCTL_INT(_a1, _a2, _a3, _a4, _a5, _a6, _a7) 311 SYSCTL_INT(_hw_ix, OID_AUTO, enable_aim, CTLFLAG_RDTUN, &ixgbe_enable_aim, 0, 312 "Enable adaptive interrupt moderation"); 313 314 static int ixgbe_max_interrupt_rate = (4000000 / IXGBE_LOW_LATENCY); 315 SYSCTL_INT(_hw_ix, OID_AUTO, max_interrupt_rate, CTLFLAG_RDTUN, 316 &ixgbe_max_interrupt_rate, 0, "Maximum interrupts per second"); 317 318 /* How many packets rxeof tries to clean at a time */ 319 static int ixgbe_rx_process_limit = 256; 320 SYSCTL_INT(_hw_ix, OID_AUTO, rx_process_limit, CTLFLAG_RDTUN, 321 &ixgbe_rx_process_limit, 0, "Maximum number of received packets to process at a time, -1 means unlimited"); 322 323 /* How many packets txeof tries to clean at a time */ 324 static int ixgbe_tx_process_limit = 256; 325 SYSCTL_INT(_hw_ix, OID_AUTO, tx_process_limit, CTLFLAG_RDTUN, 326 &ixgbe_tx_process_limit, 0, 327 "Maximum number of sent packets to process at a time, -1 means unlimited"); 328 329 /* Flow control setting, default to full */ 330 static int ixgbe_flow_control = ixgbe_fc_full; 331 SYSCTL_INT(_hw_ix, OID_AUTO, flow_control, CTLFLAG_RDTUN, 332 &ixgbe_flow_control, 0, "Default flow control used for all adapters"); 333 334 /* Which packet processing uses workqueue or softint */ 335 static bool ixgbe_txrx_workqueue = false; 336 337 /* 338 * Smart speed setting, default to on 339 * this only works as a compile option 340 * right now as its during attach, set 341 * this to 'ixgbe_smart_speed_off' to 342 * disable. 343 */ 344 static int ixgbe_smart_speed = ixgbe_smart_speed_on; 345 346 /* 347 * MSI-X should be the default for best performance, 348 * but this allows it to be forced off for testing. 349 */ 350 static int ixgbe_enable_msix = 1; 351 SYSCTL_INT(_hw_ix, OID_AUTO, enable_msix, CTLFLAG_RDTUN, &ixgbe_enable_msix, 0, 352 "Enable MSI-X interrupts"); 353 354 /* 355 * Number of Queues, can be set to 0, 356 * it then autoconfigures based on the 357 * number of cpus with a max of 8. This 358 * can be overridden manually here. 359 */ 360 static int ixgbe_num_queues = 0; 361 SYSCTL_INT(_hw_ix, OID_AUTO, num_queues, CTLFLAG_RDTUN, &ixgbe_num_queues, 0, 362 "Number of queues to configure, 0 indicates autoconfigure"); 363 364 /* 365 * Number of TX descriptors per ring, 366 * setting higher than RX as this seems 367 * the better performing choice. 368 */ 369 static int ixgbe_txd = PERFORM_TXD; 370 SYSCTL_INT(_hw_ix, OID_AUTO, txd, CTLFLAG_RDTUN, &ixgbe_txd, 0, 371 "Number of transmit descriptors per queue"); 372 373 /* Number of RX descriptors per ring */ 374 static int ixgbe_rxd = PERFORM_RXD; 375 SYSCTL_INT(_hw_ix, OID_AUTO, rxd, CTLFLAG_RDTUN, &ixgbe_rxd, 0, 376 "Number of receive descriptors per queue"); 377 378 /* 379 * Defining this on will allow the use 380 * of unsupported SFP+ modules, note that 381 * doing so you are on your own :) 382 */ 383 static int allow_unsupported_sfp = false; 384 #define TUNABLE_INT(__x, __y) 385 TUNABLE_INT("hw.ix.unsupported_sfp", &allow_unsupported_sfp); 386 387 /* 388 * Not sure if Flow Director is fully baked, 389 * so we'll default to turning it off. 390 */ 391 static int ixgbe_enable_fdir = 0; 392 SYSCTL_INT(_hw_ix, OID_AUTO, enable_fdir, CTLFLAG_RDTUN, &ixgbe_enable_fdir, 0, 393 "Enable Flow Director"); 394 395 /* Legacy Transmit (single queue) */ 396 static int ixgbe_enable_legacy_tx = 0; 397 SYSCTL_INT(_hw_ix, OID_AUTO, enable_legacy_tx, CTLFLAG_RDTUN, 398 &ixgbe_enable_legacy_tx, 0, "Enable Legacy TX flow"); 399 400 /* Receive-Side Scaling */ 401 static int ixgbe_enable_rss = 1; 402 SYSCTL_INT(_hw_ix, OID_AUTO, enable_rss, CTLFLAG_RDTUN, &ixgbe_enable_rss, 0, 403 "Enable Receive-Side Scaling (RSS)"); 404 405 #if 0 406 static int (*ixgbe_start_locked)(struct ifnet *, struct tx_ring *); 407 static int (*ixgbe_ring_empty)(struct ifnet *, pcq_t *); 408 #endif 409 410 #ifdef NET_MPSAFE 411 #define IXGBE_MPSAFE 1 412 #define IXGBE_CALLOUT_FLAGS CALLOUT_MPSAFE 413 #define IXGBE_SOFTINT_FLAGS SOFTINT_MPSAFE 414 #define IXGBE_WORKQUEUE_FLAGS WQ_PERCPU | WQ_MPSAFE 415 #define IXGBE_TASKLET_WQ_FLAGS WQ_MPSAFE 416 #else 417 #define IXGBE_CALLOUT_FLAGS 0 418 #define IXGBE_SOFTINT_FLAGS 0 419 #define IXGBE_WORKQUEUE_FLAGS WQ_PERCPU 420 #define IXGBE_TASKLET_WQ_FLAGS 0 421 #endif 422 #define IXGBE_WORKQUEUE_PRI PRI_SOFTNET 423 424 /************************************************************************ 425 * ixgbe_initialize_rss_mapping 426 ************************************************************************/ 427 static void 428 ixgbe_initialize_rss_mapping(struct adapter *adapter) 429 { 430 struct ixgbe_hw *hw = &adapter->hw; 431 u32 reta = 0, mrqc, rss_key[10]; 432 int queue_id, table_size, index_mult; 433 int i, j; 434 u32 rss_hash_config; 435 436 /* force use default RSS key. */ 437 #ifdef __NetBSD__ 438 rss_getkey((uint8_t *) &rss_key); 439 #else 440 if (adapter->feat_en & IXGBE_FEATURE_RSS) { 441 /* Fetch the configured RSS key */ 442 rss_getkey((uint8_t *) &rss_key); 443 } else { 444 /* set up random bits */ 445 cprng_fast(&rss_key, sizeof(rss_key)); 446 } 447 #endif 448 449 /* Set multiplier for RETA setup and table size based on MAC */ 450 index_mult = 0x1; 451 table_size = 128; 452 switch (adapter->hw.mac.type) { 453 case ixgbe_mac_82598EB: 454 index_mult = 0x11; 455 break; 456 case ixgbe_mac_X550: 457 case ixgbe_mac_X550EM_x: 458 case ixgbe_mac_X550EM_a: 459 table_size = 512; 460 break; 461 default: 462 break; 463 } 464 465 /* Set up the redirection table */ 466 for (i = 0, j = 0; i < table_size; i++, j++) { 467 if (j == adapter->num_queues) 468 j = 0; 469 470 if (adapter->feat_en & IXGBE_FEATURE_RSS) { 471 /* 472 * Fetch the RSS bucket id for the given indirection 473 * entry. Cap it at the number of configured buckets 474 * (which is num_queues.) 475 */ 476 queue_id = rss_get_indirection_to_bucket(i); 477 queue_id = queue_id % adapter->num_queues; 478 } else 479 queue_id = (j * index_mult); 480 481 /* 482 * The low 8 bits are for hash value (n+0); 483 * The next 8 bits are for hash value (n+1), etc. 484 */ 485 reta = reta >> 8; 486 reta = reta | (((uint32_t) queue_id) << 24); 487 if ((i & 3) == 3) { 488 if (i < 128) 489 IXGBE_WRITE_REG(hw, IXGBE_RETA(i >> 2), reta); 490 else 491 IXGBE_WRITE_REG(hw, IXGBE_ERETA((i >> 2) - 32), 492 reta); 493 reta = 0; 494 } 495 } 496 497 /* Now fill our hash function seeds */ 498 for (i = 0; i < 10; i++) 499 IXGBE_WRITE_REG(hw, IXGBE_RSSRK(i), rss_key[i]); 500 501 /* Perform hash on these packet types */ 502 if (adapter->feat_en & IXGBE_FEATURE_RSS) 503 rss_hash_config = rss_gethashconfig(); 504 else { 505 /* 506 * Disable UDP - IP fragments aren't currently being handled 507 * and so we end up with a mix of 2-tuple and 4-tuple 508 * traffic. 509 */ 510 rss_hash_config = RSS_HASHTYPE_RSS_IPV4 511 | RSS_HASHTYPE_RSS_TCP_IPV4 512 | RSS_HASHTYPE_RSS_IPV6 513 | RSS_HASHTYPE_RSS_TCP_IPV6 514 | RSS_HASHTYPE_RSS_IPV6_EX 515 | RSS_HASHTYPE_RSS_TCP_IPV6_EX; 516 } 517 518 mrqc = IXGBE_MRQC_RSSEN; 519 if (rss_hash_config & RSS_HASHTYPE_RSS_IPV4) 520 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4; 521 if (rss_hash_config & RSS_HASHTYPE_RSS_TCP_IPV4) 522 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4_TCP; 523 if (rss_hash_config & RSS_HASHTYPE_RSS_IPV6) 524 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6; 525 if (rss_hash_config & RSS_HASHTYPE_RSS_TCP_IPV6) 526 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_TCP; 527 if (rss_hash_config & RSS_HASHTYPE_RSS_IPV6_EX) 528 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_EX; 529 if (rss_hash_config & RSS_HASHTYPE_RSS_TCP_IPV6_EX) 530 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_EX_TCP; 531 if (rss_hash_config & RSS_HASHTYPE_RSS_UDP_IPV4) 532 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4_UDP; 533 if (rss_hash_config & RSS_HASHTYPE_RSS_UDP_IPV6) 534 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_UDP; 535 if (rss_hash_config & RSS_HASHTYPE_RSS_UDP_IPV6_EX) 536 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_EX_UDP; 537 mrqc |= ixgbe_get_mrqc(adapter->iov_mode); 538 IXGBE_WRITE_REG(hw, IXGBE_MRQC, mrqc); 539 } /* ixgbe_initialize_rss_mapping */ 540 541 /************************************************************************ 542 * ixgbe_initialize_receive_units - Setup receive registers and features. 543 ************************************************************************/ 544 #define BSIZEPKT_ROUNDUP ((1<<IXGBE_SRRCTL_BSIZEPKT_SHIFT)-1) 545 546 static void 547 ixgbe_initialize_receive_units(struct adapter *adapter) 548 { 549 struct rx_ring *rxr = adapter->rx_rings; 550 struct ixgbe_hw *hw = &adapter->hw; 551 struct ifnet *ifp = adapter->ifp; 552 int i, j; 553 u32 bufsz, fctrl, srrctl, rxcsum; 554 u32 hlreg; 555 556 /* 557 * Make sure receives are disabled while 558 * setting up the descriptor ring 559 */ 560 ixgbe_disable_rx(hw); 561 562 /* Enable broadcasts */ 563 fctrl = IXGBE_READ_REG(hw, IXGBE_FCTRL); 564 fctrl |= IXGBE_FCTRL_BAM; 565 if (adapter->hw.mac.type == ixgbe_mac_82598EB) { 566 fctrl |= IXGBE_FCTRL_DPF; 567 fctrl |= IXGBE_FCTRL_PMCF; 568 } 569 IXGBE_WRITE_REG(hw, IXGBE_FCTRL, fctrl); 570 571 /* Set for Jumbo Frames? */ 572 hlreg = IXGBE_READ_REG(hw, IXGBE_HLREG0); 573 if (ifp->if_mtu > ETHERMTU) 574 hlreg |= IXGBE_HLREG0_JUMBOEN; 575 else 576 hlreg &= ~IXGBE_HLREG0_JUMBOEN; 577 578 #ifdef DEV_NETMAP 579 /* CRC stripping is conditional in Netmap */ 580 if ((adapter->feat_en & IXGBE_FEATURE_NETMAP) && 581 (ifp->if_capenable & IFCAP_NETMAP) && 582 !ix_crcstrip) 583 hlreg &= ~IXGBE_HLREG0_RXCRCSTRP; 584 else 585 #endif /* DEV_NETMAP */ 586 hlreg |= IXGBE_HLREG0_RXCRCSTRP; 587 588 IXGBE_WRITE_REG(hw, IXGBE_HLREG0, hlreg); 589 590 bufsz = (adapter->rx_mbuf_sz + BSIZEPKT_ROUNDUP) >> 591 IXGBE_SRRCTL_BSIZEPKT_SHIFT; 592 593 for (i = 0; i < adapter->num_queues; i++, rxr++) { 594 u64 rdba = rxr->rxdma.dma_paddr; 595 u32 reg; 596 int regnum = i / 4; /* 1 register per 4 queues */ 597 int regshift = i % 4; /* 4 bits per 1 queue */ 598 j = rxr->me; 599 600 /* Setup the Base and Length of the Rx Descriptor Ring */ 601 IXGBE_WRITE_REG(hw, IXGBE_RDBAL(j), 602 (rdba & 0x00000000ffffffffULL)); 603 IXGBE_WRITE_REG(hw, IXGBE_RDBAH(j), (rdba >> 32)); 604 IXGBE_WRITE_REG(hw, IXGBE_RDLEN(j), 605 adapter->num_rx_desc * sizeof(union ixgbe_adv_rx_desc)); 606 607 /* Set up the SRRCTL register */ 608 srrctl = IXGBE_READ_REG(hw, IXGBE_SRRCTL(j)); 609 srrctl &= ~IXGBE_SRRCTL_BSIZEHDR_MASK; 610 srrctl &= ~IXGBE_SRRCTL_BSIZEPKT_MASK; 611 srrctl |= bufsz; 612 srrctl |= IXGBE_SRRCTL_DESCTYPE_ADV_ONEBUF; 613 614 /* Set RQSMR (Receive Queue Statistic Mapping) register */ 615 reg = IXGBE_READ_REG(hw, IXGBE_RQSMR(regnum)); 616 reg &= ~(0x000000ffUL << (regshift * 8)); 617 reg |= i << (regshift * 8); 618 IXGBE_WRITE_REG(hw, IXGBE_RQSMR(regnum), reg); 619 620 /* 621 * Set DROP_EN iff we have no flow control and >1 queue. 622 * Note that srrctl was cleared shortly before during reset, 623 * so we do not need to clear the bit, but do it just in case 624 * this code is moved elsewhere. 625 */ 626 if (adapter->num_queues > 1 && 627 adapter->hw.fc.requested_mode == ixgbe_fc_none) { 628 srrctl |= IXGBE_SRRCTL_DROP_EN; 629 } else { 630 srrctl &= ~IXGBE_SRRCTL_DROP_EN; 631 } 632 633 IXGBE_WRITE_REG(hw, IXGBE_SRRCTL(j), srrctl); 634 635 /* Setup the HW Rx Head and Tail Descriptor Pointers */ 636 IXGBE_WRITE_REG(hw, IXGBE_RDH(j), 0); 637 IXGBE_WRITE_REG(hw, IXGBE_RDT(j), 0); 638 639 /* Set the driver rx tail address */ 640 rxr->tail = IXGBE_RDT(rxr->me); 641 } 642 643 if (adapter->hw.mac.type != ixgbe_mac_82598EB) { 644 u32 psrtype = IXGBE_PSRTYPE_TCPHDR 645 | IXGBE_PSRTYPE_UDPHDR 646 | IXGBE_PSRTYPE_IPV4HDR 647 | IXGBE_PSRTYPE_IPV6HDR; 648 IXGBE_WRITE_REG(hw, IXGBE_PSRTYPE(0), psrtype); 649 } 650 651 rxcsum = IXGBE_READ_REG(hw, IXGBE_RXCSUM); 652 653 ixgbe_initialize_rss_mapping(adapter); 654 655 if (adapter->num_queues > 1) { 656 /* RSS and RX IPP Checksum are mutually exclusive */ 657 rxcsum |= IXGBE_RXCSUM_PCSD; 658 } 659 660 if (ifp->if_capenable & IFCAP_RXCSUM) 661 rxcsum |= IXGBE_RXCSUM_PCSD; 662 663 /* This is useful for calculating UDP/IP fragment checksums */ 664 if (!(rxcsum & IXGBE_RXCSUM_PCSD)) 665 rxcsum |= IXGBE_RXCSUM_IPPCSE; 666 667 IXGBE_WRITE_REG(hw, IXGBE_RXCSUM, rxcsum); 668 669 } /* ixgbe_initialize_receive_units */ 670 671 /************************************************************************ 672 * ixgbe_initialize_transmit_units - Enable transmit units. 673 ************************************************************************/ 674 static void 675 ixgbe_initialize_transmit_units(struct adapter *adapter) 676 { 677 struct tx_ring *txr = adapter->tx_rings; 678 struct ixgbe_hw *hw = &adapter->hw; 679 int i; 680 681 INIT_DEBUGOUT("ixgbe_initialize_transmit_units"); 682 683 /* Setup the Base and Length of the Tx Descriptor Ring */ 684 for (i = 0; i < adapter->num_queues; i++, txr++) { 685 u64 tdba = txr->txdma.dma_paddr; 686 u32 txctrl = 0; 687 u32 tqsmreg, reg; 688 int regnum = i / 4; /* 1 register per 4 queues */ 689 int regshift = i % 4; /* 4 bits per 1 queue */ 690 int j = txr->me; 691 692 IXGBE_WRITE_REG(hw, IXGBE_TDBAL(j), 693 (tdba & 0x00000000ffffffffULL)); 694 IXGBE_WRITE_REG(hw, IXGBE_TDBAH(j), (tdba >> 32)); 695 IXGBE_WRITE_REG(hw, IXGBE_TDLEN(j), 696 adapter->num_tx_desc * sizeof(union ixgbe_adv_tx_desc)); 697 698 /* 699 * Set TQSMR (Transmit Queue Statistic Mapping) register. 700 * Register location is different between 82598 and others. 701 */ 702 if (adapter->hw.mac.type == ixgbe_mac_82598EB) 703 tqsmreg = IXGBE_TQSMR(regnum); 704 else 705 tqsmreg = IXGBE_TQSM(regnum); 706 reg = IXGBE_READ_REG(hw, tqsmreg); 707 reg &= ~(0x000000ffUL << (regshift * 8)); 708 reg |= i << (regshift * 8); 709 IXGBE_WRITE_REG(hw, tqsmreg, reg); 710 711 /* Setup the HW Tx Head and Tail descriptor pointers */ 712 IXGBE_WRITE_REG(hw, IXGBE_TDH(j), 0); 713 IXGBE_WRITE_REG(hw, IXGBE_TDT(j), 0); 714 715 /* Cache the tail address */ 716 txr->tail = IXGBE_TDT(j); 717 718 txr->txr_no_space = false; 719 720 /* Disable Head Writeback */ 721 /* 722 * Note: for X550 series devices, these registers are actually 723 * prefixed with TPH_ isntead of DCA_, but the addresses and 724 * fields remain the same. 725 */ 726 switch (hw->mac.type) { 727 case ixgbe_mac_82598EB: 728 txctrl = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(j)); 729 break; 730 default: 731 txctrl = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL_82599(j)); 732 break; 733 } 734 txctrl &= ~IXGBE_DCA_TXCTRL_DESC_WRO_EN; 735 switch (hw->mac.type) { 736 case ixgbe_mac_82598EB: 737 IXGBE_WRITE_REG(hw, IXGBE_DCA_TXCTRL(j), txctrl); 738 break; 739 default: 740 IXGBE_WRITE_REG(hw, IXGBE_DCA_TXCTRL_82599(j), txctrl); 741 break; 742 } 743 744 } 745 746 if (hw->mac.type != ixgbe_mac_82598EB) { 747 u32 dmatxctl, rttdcs; 748 749 dmatxctl = IXGBE_READ_REG(hw, IXGBE_DMATXCTL); 750 dmatxctl |= IXGBE_DMATXCTL_TE; 751 IXGBE_WRITE_REG(hw, IXGBE_DMATXCTL, dmatxctl); 752 /* Disable arbiter to set MTQC */ 753 rttdcs = IXGBE_READ_REG(hw, IXGBE_RTTDCS); 754 rttdcs |= IXGBE_RTTDCS_ARBDIS; 755 IXGBE_WRITE_REG(hw, IXGBE_RTTDCS, rttdcs); 756 IXGBE_WRITE_REG(hw, IXGBE_MTQC, 757 ixgbe_get_mtqc(adapter->iov_mode)); 758 rttdcs &= ~IXGBE_RTTDCS_ARBDIS; 759 IXGBE_WRITE_REG(hw, IXGBE_RTTDCS, rttdcs); 760 } 761 762 return; 763 } /* ixgbe_initialize_transmit_units */ 764 765 static void 766 ixgbe_quirks(struct adapter *adapter) 767 { 768 device_t dev = adapter->dev; 769 struct ixgbe_hw *hw = &adapter->hw; 770 const char *vendor, *product; 771 772 if (hw->device_id == IXGBE_DEV_ID_X550EM_A_SFP_N) { 773 /* 774 * Quirk for inverted logic of SFP+'s MOD_ABS on GIGABYTE 775 * MA10-ST0. 776 */ 777 vendor = pmf_get_platform("system-vendor"); 778 product = pmf_get_platform("system-product"); 779 780 if ((vendor == NULL) || (product == NULL)) 781 return; 782 783 if ((strcmp(vendor, "GIGABYTE") == 0) && 784 (strcmp(product, "MA10-ST0") == 0)) { 785 aprint_verbose_dev(dev, 786 "Enable SFP+ MOD_ABS inverse quirk\n"); 787 adapter->hw.quirks |= IXGBE_QUIRK_MOD_ABS_INVERT; 788 } 789 } 790 } 791 792 /************************************************************************ 793 * ixgbe_attach - Device initialization routine 794 * 795 * Called when the driver is being loaded. 796 * Identifies the type of hardware, allocates all resources 797 * and initializes the hardware. 798 * 799 * return 0 on success, positive on failure 800 ************************************************************************/ 801 static void 802 ixgbe_attach(device_t parent, device_t dev, void *aux) 803 { 804 struct adapter *adapter; 805 struct ixgbe_hw *hw; 806 int error = -1; 807 u32 ctrl_ext; 808 u16 high, low, nvmreg; 809 pcireg_t id, subid; 810 const ixgbe_vendor_info_t *ent; 811 struct pci_attach_args *pa = aux; 812 bool unsupported_sfp = false; 813 const char *str; 814 char wqname[MAXCOMLEN]; 815 char buf[256]; 816 817 INIT_DEBUGOUT("ixgbe_attach: begin"); 818 819 /* Allocate, clear, and link in our adapter structure */ 820 adapter = device_private(dev); 821 adapter->hw.back = adapter; 822 adapter->dev = dev; 823 hw = &adapter->hw; 824 adapter->osdep.pc = pa->pa_pc; 825 adapter->osdep.tag = pa->pa_tag; 826 if (pci_dma64_available(pa)) 827 adapter->osdep.dmat = pa->pa_dmat64; 828 else 829 adapter->osdep.dmat = pa->pa_dmat; 830 adapter->osdep.attached = false; 831 adapter->osdep.detaching = false; 832 833 ent = ixgbe_lookup(pa); 834 835 KASSERT(ent != NULL); 836 837 aprint_normal(": %s, Version - %s\n", 838 ixgbe_strings[ent->index], ixgbe_driver_version); 839 840 /* Core Lock Init */ 841 IXGBE_CORE_LOCK_INIT(adapter, device_xname(dev)); 842 843 /* Set up the timer callout and workqueue */ 844 callout_init(&adapter->timer, IXGBE_CALLOUT_FLAGS); 845 snprintf(wqname, sizeof(wqname), "%s-timer", device_xname(dev)); 846 error = workqueue_create(&adapter->timer_wq, wqname, 847 ixgbe_handle_timer, adapter, IXGBE_WORKQUEUE_PRI, IPL_NET, 848 IXGBE_TASKLET_WQ_FLAGS); 849 if (error) { 850 aprint_error_dev(dev, 851 "could not create timer workqueue (%d)\n", error); 852 goto err_out; 853 } 854 855 /* Determine hardware revision */ 856 id = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_ID_REG); 857 subid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG); 858 859 hw->vendor_id = PCI_VENDOR(id); 860 hw->device_id = PCI_PRODUCT(id); 861 hw->revision_id = 862 PCI_REVISION(pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_CLASS_REG)); 863 hw->subsystem_vendor_id = PCI_SUBSYS_VENDOR(subid); 864 hw->subsystem_device_id = PCI_SUBSYS_ID(subid); 865 866 /* Set quirk flags */ 867 ixgbe_quirks(adapter); 868 869 /* 870 * Make sure BUSMASTER is set 871 */ 872 ixgbe_pci_enable_busmaster(pa->pa_pc, pa->pa_tag); 873 874 /* Do base PCI setup - map BAR0 */ 875 if (ixgbe_allocate_pci_resources(adapter, pa)) { 876 aprint_error_dev(dev, "Allocation of PCI resources failed\n"); 877 error = ENXIO; 878 goto err_out; 879 } 880 881 /* let hardware know driver is loaded */ 882 ctrl_ext = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT); 883 ctrl_ext |= IXGBE_CTRL_EXT_DRV_LOAD; 884 IXGBE_WRITE_REG(hw, IXGBE_CTRL_EXT, ctrl_ext); 885 886 /* 887 * Initialize the shared code 888 */ 889 if (ixgbe_init_shared_code(hw) != 0) { 890 aprint_error_dev(dev, "Unable to initialize the shared code\n"); 891 error = ENXIO; 892 goto err_out; 893 } 894 895 switch (hw->mac.type) { 896 case ixgbe_mac_82598EB: 897 str = "82598EB"; 898 break; 899 case ixgbe_mac_82599EB: 900 str = "82599EB"; 901 break; 902 case ixgbe_mac_X540: 903 str = "X540"; 904 break; 905 case ixgbe_mac_X550: 906 str = "X550"; 907 break; 908 case ixgbe_mac_X550EM_x: 909 str = "X550EM X"; 910 break; 911 case ixgbe_mac_X550EM_a: 912 str = "X550EM A"; 913 break; 914 default: 915 str = "Unknown"; 916 break; 917 } 918 aprint_normal_dev(dev, "device %s\n", str); 919 920 if (hw->mbx.ops.init_params) 921 hw->mbx.ops.init_params(hw); 922 923 hw->allow_unsupported_sfp = allow_unsupported_sfp; 924 925 /* Pick up the 82599 settings */ 926 if (hw->mac.type != ixgbe_mac_82598EB) { 927 hw->phy.smart_speed = ixgbe_smart_speed; 928 adapter->num_segs = IXGBE_82599_SCATTER; 929 } else 930 adapter->num_segs = IXGBE_82598_SCATTER; 931 932 /* Ensure SW/FW semaphore is free */ 933 ixgbe_init_swfw_semaphore(hw); 934 935 hw->mac.ops.set_lan_id(hw); 936 ixgbe_init_device_features(adapter); 937 938 if (ixgbe_configure_interrupts(adapter)) { 939 error = ENXIO; 940 goto err_out; 941 } 942 943 /* Allocate multicast array memory. */ 944 adapter->mta = malloc(sizeof(*adapter->mta) * 945 MAX_NUM_MULTICAST_ADDRESSES, M_DEVBUF, M_WAITOK); 946 947 /* Enable WoL (if supported) */ 948 ixgbe_check_wol_support(adapter); 949 950 /* Register for VLAN events */ 951 ether_set_vlan_cb(&adapter->osdep.ec, ixgbe_vlan_cb); 952 953 /* Verify adapter fan is still functional (if applicable) */ 954 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) { 955 u32 esdp = IXGBE_READ_REG(hw, IXGBE_ESDP); 956 ixgbe_check_fan_failure(adapter, esdp, FALSE); 957 } 958 959 /* Set an initial default flow control value */ 960 hw->fc.requested_mode = ixgbe_flow_control; 961 962 /* Sysctls for limiting the amount of work done in the taskqueues */ 963 ixgbe_set_sysctl_value(adapter, "rx_processing_limit", 964 "max number of rx packets to process", 965 &adapter->rx_process_limit, ixgbe_rx_process_limit); 966 967 ixgbe_set_sysctl_value(adapter, "tx_processing_limit", 968 "max number of tx packets to process", 969 &adapter->tx_process_limit, ixgbe_tx_process_limit); 970 971 /* Do descriptor calc and sanity checks */ 972 if (((ixgbe_txd * sizeof(union ixgbe_adv_tx_desc)) % DBA_ALIGN) != 0 || 973 ixgbe_txd < MIN_TXD || ixgbe_txd > MAX_TXD) { 974 aprint_error_dev(dev, "TXD config issue, using default!\n"); 975 adapter->num_tx_desc = DEFAULT_TXD; 976 } else 977 adapter->num_tx_desc = ixgbe_txd; 978 979 if (((ixgbe_rxd * sizeof(union ixgbe_adv_rx_desc)) % DBA_ALIGN) != 0 || 980 ixgbe_rxd < MIN_RXD || ixgbe_rxd > MAX_RXD) { 981 aprint_error_dev(dev, "RXD config issue, using default!\n"); 982 adapter->num_rx_desc = DEFAULT_RXD; 983 } else 984 adapter->num_rx_desc = ixgbe_rxd; 985 986 /* Allocate our TX/RX Queues */ 987 if (ixgbe_allocate_queues(adapter)) { 988 error = ENOMEM; 989 goto err_out; 990 } 991 992 hw->phy.reset_if_overtemp = TRUE; 993 error = ixgbe_reset_hw(hw); 994 hw->phy.reset_if_overtemp = FALSE; 995 if (error == IXGBE_ERR_SFP_NOT_PRESENT) 996 error = IXGBE_SUCCESS; 997 else if (error == IXGBE_ERR_SFP_NOT_SUPPORTED) { 998 aprint_error_dev(dev, "Unsupported SFP+ module detected!\n"); 999 unsupported_sfp = true; 1000 error = IXGBE_SUCCESS; 1001 } else if (error) { 1002 aprint_error_dev(dev, "Hardware initialization failed\n"); 1003 error = EIO; 1004 goto err_late; 1005 } 1006 1007 /* Make sure we have a good EEPROM before we read from it */ 1008 if (ixgbe_validate_eeprom_checksum(&adapter->hw, NULL) < 0) { 1009 aprint_error_dev(dev, "The EEPROM Checksum Is Not Valid\n"); 1010 error = EIO; 1011 goto err_late; 1012 } 1013 1014 aprint_normal("%s:", device_xname(dev)); 1015 /* NVM Image Version */ 1016 high = low = 0; 1017 switch (hw->mac.type) { 1018 case ixgbe_mac_X540: 1019 case ixgbe_mac_X550EM_a: 1020 hw->eeprom.ops.read(hw, IXGBE_NVM_IMAGE_VER, &nvmreg); 1021 if (nvmreg == 0xffff) 1022 break; 1023 high = (nvmreg >> 12) & 0x0f; 1024 low = (nvmreg >> 4) & 0xff; 1025 id = nvmreg & 0x0f; 1026 aprint_normal(" NVM Image Version %u.", high); 1027 if (hw->mac.type == ixgbe_mac_X540) 1028 str = "%x"; 1029 else 1030 str = "%02x"; 1031 aprint_normal(str, low); 1032 aprint_normal(" ID 0x%x,", id); 1033 break; 1034 case ixgbe_mac_X550EM_x: 1035 case ixgbe_mac_X550: 1036 hw->eeprom.ops.read(hw, IXGBE_NVM_IMAGE_VER, &nvmreg); 1037 if (nvmreg == 0xffff) 1038 break; 1039 high = (nvmreg >> 12) & 0x0f; 1040 low = nvmreg & 0xff; 1041 aprint_normal(" NVM Image Version %u.%02x,", high, low); 1042 break; 1043 default: 1044 break; 1045 } 1046 hw->eeprom.nvm_image_ver_high = high; 1047 hw->eeprom.nvm_image_ver_low = low; 1048 1049 /* PHY firmware revision */ 1050 switch (hw->mac.type) { 1051 case ixgbe_mac_X540: 1052 case ixgbe_mac_X550: 1053 hw->eeprom.ops.read(hw, IXGBE_PHYFW_REV, &nvmreg); 1054 if (nvmreg == 0xffff) 1055 break; 1056 high = (nvmreg >> 12) & 0x0f; 1057 low = (nvmreg >> 4) & 0xff; 1058 id = nvmreg & 0x000f; 1059 aprint_normal(" PHY FW Revision %u.", high); 1060 if (hw->mac.type == ixgbe_mac_X540) 1061 str = "%x"; 1062 else 1063 str = "%02x"; 1064 aprint_normal(str, low); 1065 aprint_normal(" ID 0x%x,", id); 1066 break; 1067 default: 1068 break; 1069 } 1070 1071 /* NVM Map version & OEM NVM Image version */ 1072 switch (hw->mac.type) { 1073 case ixgbe_mac_X550: 1074 case ixgbe_mac_X550EM_x: 1075 case ixgbe_mac_X550EM_a: 1076 hw->eeprom.ops.read(hw, IXGBE_NVM_MAP_VER, &nvmreg); 1077 if (nvmreg != 0xffff) { 1078 high = (nvmreg >> 12) & 0x0f; 1079 low = nvmreg & 0x00ff; 1080 aprint_normal(" NVM Map version %u.%02x,", high, low); 1081 } 1082 hw->eeprom.ops.read(hw, IXGBE_OEM_NVM_IMAGE_VER, &nvmreg); 1083 if (nvmreg != 0xffff) { 1084 high = (nvmreg >> 12) & 0x0f; 1085 low = nvmreg & 0x00ff; 1086 aprint_verbose(" OEM NVM Image version %u.%02x,", high, 1087 low); 1088 } 1089 break; 1090 default: 1091 break; 1092 } 1093 1094 /* Print the ETrackID */ 1095 hw->eeprom.ops.read(hw, IXGBE_ETRACKID_H, &high); 1096 hw->eeprom.ops.read(hw, IXGBE_ETRACKID_L, &low); 1097 aprint_normal(" ETrackID %08x\n", ((uint32_t)high << 16) | low); 1098 1099 if (adapter->feat_en & IXGBE_FEATURE_MSIX) { 1100 error = ixgbe_allocate_msix(adapter, pa); 1101 if (error) { 1102 /* Free allocated queue structures first */ 1103 ixgbe_free_queues(adapter); 1104 1105 /* Fallback to legacy interrupt */ 1106 adapter->feat_en &= ~IXGBE_FEATURE_MSIX; 1107 if (adapter->feat_cap & IXGBE_FEATURE_MSI) 1108 adapter->feat_en |= IXGBE_FEATURE_MSI; 1109 adapter->num_queues = 1; 1110 1111 /* Allocate our TX/RX Queues again */ 1112 if (ixgbe_allocate_queues(adapter)) { 1113 error = ENOMEM; 1114 goto err_out; 1115 } 1116 } 1117 } 1118 /* Recovery mode */ 1119 switch (adapter->hw.mac.type) { 1120 case ixgbe_mac_X550: 1121 case ixgbe_mac_X550EM_x: 1122 case ixgbe_mac_X550EM_a: 1123 /* >= 2.00 */ 1124 if (hw->eeprom.nvm_image_ver_high >= 2) { 1125 adapter->feat_cap |= IXGBE_FEATURE_RECOVERY_MODE; 1126 adapter->feat_en |= IXGBE_FEATURE_RECOVERY_MODE; 1127 } 1128 break; 1129 default: 1130 break; 1131 } 1132 1133 if ((adapter->feat_en & IXGBE_FEATURE_MSIX) == 0) 1134 error = ixgbe_allocate_legacy(adapter, pa); 1135 if (error) 1136 goto err_late; 1137 1138 /* Tasklets for Link, SFP, Multispeed Fiber and Flow Director */ 1139 mutex_init(&(adapter)->admin_mtx, MUTEX_DEFAULT, IPL_NET); 1140 snprintf(wqname, sizeof(wqname), "%s-admin", device_xname(dev)); 1141 error = workqueue_create(&adapter->admin_wq, wqname, 1142 ixgbe_handle_admin, adapter, IXGBE_WORKQUEUE_PRI, IPL_NET, 1143 IXGBE_TASKLET_WQ_FLAGS); 1144 if (error) { 1145 aprint_error_dev(dev, 1146 "could not create admin workqueue (%d)\n", error); 1147 goto err_out; 1148 } 1149 1150 error = ixgbe_start_hw(hw); 1151 switch (error) { 1152 case IXGBE_ERR_EEPROM_VERSION: 1153 aprint_error_dev(dev, "This device is a pre-production adapter/" 1154 "LOM. Please be aware there may be issues associated " 1155 "with your hardware.\nIf you are experiencing problems " 1156 "please contact your Intel or hardware representative " 1157 "who provided you with this hardware.\n"); 1158 break; 1159 default: 1160 break; 1161 } 1162 1163 /* Setup OS specific network interface */ 1164 if (ixgbe_setup_interface(dev, adapter) != 0) 1165 goto err_late; 1166 1167 /* 1168 * Print PHY ID only for copper PHY. On device which has SFP(+) cage 1169 * and a module is inserted, phy.id is not MII PHY id but SFF 8024 ID. 1170 */ 1171 if (hw->phy.media_type == ixgbe_media_type_copper) { 1172 uint16_t id1, id2; 1173 int oui, model, rev; 1174 const char *descr; 1175 1176 id1 = hw->phy.id >> 16; 1177 id2 = hw->phy.id & 0xffff; 1178 oui = MII_OUI(id1, id2); 1179 model = MII_MODEL(id2); 1180 rev = MII_REV(id2); 1181 if ((descr = mii_get_descr(oui, model)) != NULL) 1182 aprint_normal_dev(dev, 1183 "PHY: %s (OUI 0x%06x, model 0x%04x), rev. %d\n", 1184 descr, oui, model, rev); 1185 else 1186 aprint_normal_dev(dev, 1187 "PHY OUI 0x%06x, model 0x%04x, rev. %d\n", 1188 oui, model, rev); 1189 } 1190 1191 /* Enable EEE power saving */ 1192 if (adapter->feat_cap & IXGBE_FEATURE_EEE) 1193 hw->mac.ops.setup_eee(hw, 1194 adapter->feat_en & IXGBE_FEATURE_EEE); 1195 1196 /* Enable power to the phy. */ 1197 if (!unsupported_sfp) { 1198 /* Enable the optics for 82599 SFP+ fiber */ 1199 ixgbe_enable_tx_laser(hw); 1200 1201 /* 1202 * XXX Currently, ixgbe_set_phy_power() supports only copper 1203 * PHY, so it's not required to test with !unsupported_sfp. 1204 */ 1205 ixgbe_set_phy_power(hw, TRUE); 1206 } 1207 1208 /* Initialize statistics */ 1209 ixgbe_update_stats_counters(adapter); 1210 1211 /* Check PCIE slot type/speed/width */ 1212 ixgbe_get_slot_info(adapter); 1213 1214 /* 1215 * Do time init and sysctl init here, but 1216 * only on the first port of a bypass adapter. 1217 */ 1218 ixgbe_bypass_init(adapter); 1219 1220 /* Set an initial dmac value */ 1221 adapter->dmac = 0; 1222 /* Set initial advertised speeds (if applicable) */ 1223 adapter->advertise = ixgbe_get_advertise(adapter); 1224 1225 if (adapter->feat_cap & IXGBE_FEATURE_SRIOV) 1226 ixgbe_define_iov_schemas(dev, &error); 1227 1228 /* Add sysctls */ 1229 ixgbe_add_device_sysctls(adapter); 1230 ixgbe_add_hw_stats(adapter); 1231 1232 /* For Netmap */ 1233 adapter->init_locked = ixgbe_init_locked; 1234 adapter->stop_locked = ixgbe_stop_locked; 1235 1236 if (adapter->feat_en & IXGBE_FEATURE_NETMAP) 1237 ixgbe_netmap_attach(adapter); 1238 1239 snprintb(buf, sizeof(buf), IXGBE_FEATURE_FLAGS, adapter->feat_cap); 1240 aprint_verbose_dev(dev, "feature cap %s\n", buf); 1241 snprintb(buf, sizeof(buf), IXGBE_FEATURE_FLAGS, adapter->feat_en); 1242 aprint_verbose_dev(dev, "feature ena %s\n", buf); 1243 1244 if (pmf_device_register(dev, ixgbe_suspend, ixgbe_resume)) 1245 pmf_class_network_register(dev, adapter->ifp); 1246 else 1247 aprint_error_dev(dev, "couldn't establish power handler\n"); 1248 1249 /* Init recovery mode timer and state variable */ 1250 if (adapter->feat_en & IXGBE_FEATURE_RECOVERY_MODE) { 1251 adapter->recovery_mode = 0; 1252 1253 /* Set up the timer callout */ 1254 callout_init(&adapter->recovery_mode_timer, 1255 IXGBE_CALLOUT_FLAGS); 1256 snprintf(wqname, sizeof(wqname), "%s-recovery", 1257 device_xname(dev)); 1258 error = workqueue_create(&adapter->recovery_mode_timer_wq, 1259 wqname, ixgbe_handle_recovery_mode_timer, adapter, 1260 IXGBE_WORKQUEUE_PRI, IPL_NET, IXGBE_TASKLET_WQ_FLAGS); 1261 if (error) { 1262 aprint_error_dev(dev, "could not create " 1263 "recovery_mode_timer workqueue (%d)\n", error); 1264 goto err_out; 1265 } 1266 1267 /* Start the task */ 1268 callout_reset(&adapter->recovery_mode_timer, hz, 1269 ixgbe_recovery_mode_timer, adapter); 1270 } 1271 1272 INIT_DEBUGOUT("ixgbe_attach: end"); 1273 adapter->osdep.attached = true; 1274 1275 return; 1276 1277 err_late: 1278 ixgbe_free_queues(adapter); 1279 err_out: 1280 ctrl_ext = IXGBE_READ_REG(&adapter->hw, IXGBE_CTRL_EXT); 1281 ctrl_ext &= ~IXGBE_CTRL_EXT_DRV_LOAD; 1282 IXGBE_WRITE_REG(&adapter->hw, IXGBE_CTRL_EXT, ctrl_ext); 1283 ixgbe_free_deferred_handlers(adapter); 1284 ixgbe_free_pci_resources(adapter); 1285 if (adapter->mta != NULL) 1286 free(adapter->mta, M_DEVBUF); 1287 mutex_destroy(&(adapter)->admin_mtx); /* XXX appropriate order? */ 1288 IXGBE_CORE_LOCK_DESTROY(adapter); 1289 1290 return; 1291 } /* ixgbe_attach */ 1292 1293 /************************************************************************ 1294 * ixgbe_check_wol_support 1295 * 1296 * Checks whether the adapter's ports are capable of 1297 * Wake On LAN by reading the adapter's NVM. 1298 * 1299 * Sets each port's hw->wol_enabled value depending 1300 * on the value read here. 1301 ************************************************************************/ 1302 static void 1303 ixgbe_check_wol_support(struct adapter *adapter) 1304 { 1305 struct ixgbe_hw *hw = &adapter->hw; 1306 u16 dev_caps = 0; 1307 1308 /* Find out WoL support for port */ 1309 adapter->wol_support = hw->wol_enabled = 0; 1310 ixgbe_get_device_caps(hw, &dev_caps); 1311 if ((dev_caps & IXGBE_DEVICE_CAPS_WOL_PORT0_1) || 1312 ((dev_caps & IXGBE_DEVICE_CAPS_WOL_PORT0) && 1313 hw->bus.func == 0)) 1314 adapter->wol_support = hw->wol_enabled = 1; 1315 1316 /* Save initial wake up filter configuration */ 1317 adapter->wufc = IXGBE_READ_REG(hw, IXGBE_WUFC); 1318 1319 return; 1320 } /* ixgbe_check_wol_support */ 1321 1322 /************************************************************************ 1323 * ixgbe_setup_interface 1324 * 1325 * Setup networking device structure and register an interface. 1326 ************************************************************************/ 1327 static int 1328 ixgbe_setup_interface(device_t dev, struct adapter *adapter) 1329 { 1330 struct ethercom *ec = &adapter->osdep.ec; 1331 struct ifnet *ifp; 1332 int rv; 1333 1334 INIT_DEBUGOUT("ixgbe_setup_interface: begin"); 1335 1336 ifp = adapter->ifp = &ec->ec_if; 1337 strlcpy(ifp->if_xname, device_xname(dev), IFNAMSIZ); 1338 ifp->if_baudrate = IF_Gbps(10); 1339 ifp->if_init = ixgbe_init; 1340 ifp->if_stop = ixgbe_ifstop; 1341 ifp->if_softc = adapter; 1342 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 1343 #ifdef IXGBE_MPSAFE 1344 ifp->if_extflags = IFEF_MPSAFE; 1345 #endif 1346 ifp->if_ioctl = ixgbe_ioctl; 1347 #if __FreeBSD_version >= 1100045 1348 /* TSO parameters */ 1349 ifp->if_hw_tsomax = 65518; 1350 ifp->if_hw_tsomaxsegcount = IXGBE_82599_SCATTER; 1351 ifp->if_hw_tsomaxsegsize = 2048; 1352 #endif 1353 if (adapter->feat_en & IXGBE_FEATURE_LEGACY_TX) { 1354 #if 0 1355 ixgbe_start_locked = ixgbe_legacy_start_locked; 1356 #endif 1357 } else { 1358 ifp->if_transmit = ixgbe_mq_start; 1359 #if 0 1360 ixgbe_start_locked = ixgbe_mq_start_locked; 1361 #endif 1362 } 1363 ifp->if_start = ixgbe_legacy_start; 1364 IFQ_SET_MAXLEN(&ifp->if_snd, adapter->num_tx_desc - 2); 1365 IFQ_SET_READY(&ifp->if_snd); 1366 1367 rv = if_initialize(ifp); 1368 if (rv != 0) { 1369 aprint_error_dev(dev, "if_initialize failed(%d)\n", rv); 1370 return rv; 1371 } 1372 adapter->ipq = if_percpuq_create(&adapter->osdep.ec.ec_if); 1373 ether_ifattach(ifp, adapter->hw.mac.addr); 1374 aprint_normal_dev(dev, "Ethernet address %s\n", 1375 ether_sprintf(adapter->hw.mac.addr)); 1376 /* 1377 * We use per TX queue softint, so if_deferred_start_init() isn't 1378 * used. 1379 */ 1380 ether_set_ifflags_cb(ec, ixgbe_ifflags_cb); 1381 1382 adapter->max_frame_size = ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN; 1383 1384 /* 1385 * Tell the upper layer(s) we support long frames. 1386 */ 1387 ifp->if_hdrlen = sizeof(struct ether_vlan_header); 1388 1389 /* Set capability flags */ 1390 ifp->if_capabilities |= IFCAP_RXCSUM 1391 | IFCAP_TXCSUM 1392 | IFCAP_TSOv4 1393 | IFCAP_TSOv6; 1394 ifp->if_capenable = 0; 1395 1396 ec->ec_capabilities |= ETHERCAP_VLAN_HWTAGGING 1397 | ETHERCAP_VLAN_HWCSUM 1398 | ETHERCAP_JUMBO_MTU 1399 | ETHERCAP_VLAN_MTU; 1400 1401 /* Enable the above capabilities by default */ 1402 ec->ec_capenable = ec->ec_capabilities; 1403 1404 /* 1405 * Don't turn this on by default, if vlans are 1406 * created on another pseudo device (eg. lagg) 1407 * then vlan events are not passed thru, breaking 1408 * operation, but with HW FILTER off it works. If 1409 * using vlans directly on the ixgbe driver you can 1410 * enable this and get full hardware tag filtering. 1411 */ 1412 ec->ec_capabilities |= ETHERCAP_VLAN_HWFILTER; 1413 1414 /* 1415 * Specify the media types supported by this adapter and register 1416 * callbacks to update media and link information 1417 */ 1418 ec->ec_ifmedia = &adapter->media; 1419 ifmedia_init_with_lock(&adapter->media, IFM_IMASK, ixgbe_media_change, 1420 ixgbe_media_status, &adapter->core_mtx); 1421 1422 adapter->phy_layer = ixgbe_get_supported_physical_layer(&adapter->hw); 1423 ixgbe_add_media_types(adapter); 1424 1425 /* Set autoselect media by default */ 1426 ifmedia_set(&adapter->media, IFM_ETHER | IFM_AUTO); 1427 1428 if_register(ifp); 1429 1430 return (0); 1431 } /* ixgbe_setup_interface */ 1432 1433 /************************************************************************ 1434 * ixgbe_add_media_types 1435 ************************************************************************/ 1436 static void 1437 ixgbe_add_media_types(struct adapter *adapter) 1438 { 1439 struct ixgbe_hw *hw = &adapter->hw; 1440 u64 layer; 1441 1442 layer = adapter->phy_layer; 1443 1444 #define ADD(mm, dd) \ 1445 ifmedia_add(&adapter->media, IFM_ETHER | (mm), (dd), NULL); 1446 1447 ADD(IFM_NONE, 0); 1448 1449 /* Media types with matching NetBSD media defines */ 1450 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_T) { 1451 ADD(IFM_10G_T | IFM_FDX, 0); 1452 } 1453 if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_T) { 1454 ADD(IFM_1000_T | IFM_FDX, 0); 1455 } 1456 if (layer & IXGBE_PHYSICAL_LAYER_100BASE_TX) { 1457 ADD(IFM_100_TX | IFM_FDX, 0); 1458 } 1459 if (layer & IXGBE_PHYSICAL_LAYER_10BASE_T) { 1460 ADD(IFM_10_T | IFM_FDX, 0); 1461 } 1462 1463 if (layer & IXGBE_PHYSICAL_LAYER_SFP_PLUS_CU || 1464 layer & IXGBE_PHYSICAL_LAYER_SFP_ACTIVE_DA) { 1465 ADD(IFM_10G_TWINAX | IFM_FDX, 0); 1466 } 1467 1468 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_LR) { 1469 ADD(IFM_10G_LR | IFM_FDX, 0); 1470 if (hw->phy.multispeed_fiber) { 1471 ADD(IFM_1000_LX | IFM_FDX, 0); 1472 } 1473 } 1474 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_SR) { 1475 ADD(IFM_10G_SR | IFM_FDX, 0); 1476 if (hw->phy.multispeed_fiber) { 1477 ADD(IFM_1000_SX | IFM_FDX, 0); 1478 } 1479 } else if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_SX) { 1480 ADD(IFM_1000_SX | IFM_FDX, 0); 1481 } 1482 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_CX4) { 1483 ADD(IFM_10G_CX4 | IFM_FDX, 0); 1484 } 1485 1486 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KR) { 1487 ADD(IFM_10G_KR | IFM_FDX, 0); 1488 } 1489 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KX4) { 1490 ADD(IFM_10G_KX4 | IFM_FDX, 0); 1491 } 1492 if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_KX) { 1493 ADD(IFM_1000_KX | IFM_FDX, 0); 1494 } 1495 if (layer & IXGBE_PHYSICAL_LAYER_2500BASE_KX) { 1496 ADD(IFM_2500_KX | IFM_FDX, 0); 1497 } 1498 if (layer & IXGBE_PHYSICAL_LAYER_2500BASE_T) { 1499 ADD(IFM_2500_T | IFM_FDX, 0); 1500 } 1501 if (layer & IXGBE_PHYSICAL_LAYER_5GBASE_T) { 1502 ADD(IFM_5000_T | IFM_FDX, 0); 1503 } 1504 if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_BX) 1505 ADD(IFM_1000_BX10 | IFM_FDX, 0); 1506 /* XXX no ifmedia_set? */ 1507 1508 ADD(IFM_AUTO, 0); 1509 1510 #undef ADD 1511 } /* ixgbe_add_media_types */ 1512 1513 /************************************************************************ 1514 * ixgbe_is_sfp 1515 ************************************************************************/ 1516 static inline bool 1517 ixgbe_is_sfp(struct ixgbe_hw *hw) 1518 { 1519 switch (hw->mac.type) { 1520 case ixgbe_mac_82598EB: 1521 if (hw->phy.type == ixgbe_phy_nl) 1522 return (TRUE); 1523 return (FALSE); 1524 case ixgbe_mac_82599EB: 1525 case ixgbe_mac_X550EM_x: 1526 case ixgbe_mac_X550EM_a: 1527 switch (hw->mac.ops.get_media_type(hw)) { 1528 case ixgbe_media_type_fiber: 1529 case ixgbe_media_type_fiber_qsfp: 1530 return (TRUE); 1531 default: 1532 return (FALSE); 1533 } 1534 default: 1535 return (FALSE); 1536 } 1537 } /* ixgbe_is_sfp */ 1538 1539 static void 1540 ixgbe_schedule_admin_tasklet(struct adapter *adapter) 1541 { 1542 1543 KASSERT(mutex_owned(&adapter->admin_mtx)); 1544 1545 if (__predict_true(adapter->osdep.detaching == false)) { 1546 if (adapter->admin_pending == 0) 1547 workqueue_enqueue(adapter->admin_wq, 1548 &adapter->admin_wc, NULL); 1549 adapter->admin_pending = 1; 1550 } 1551 } 1552 1553 /************************************************************************ 1554 * ixgbe_config_link 1555 ************************************************************************/ 1556 static void 1557 ixgbe_config_link(struct adapter *adapter) 1558 { 1559 struct ixgbe_hw *hw = &adapter->hw; 1560 u32 autoneg, err = 0; 1561 u32 task_requests = 0; 1562 bool sfp, negotiate = false; 1563 1564 sfp = ixgbe_is_sfp(hw); 1565 1566 if (sfp) { 1567 if (hw->phy.multispeed_fiber) { 1568 ixgbe_enable_tx_laser(hw); 1569 task_requests |= IXGBE_REQUEST_TASK_MSF_WOI; 1570 } 1571 task_requests |= IXGBE_REQUEST_TASK_MOD_WOI; 1572 1573 mutex_enter(&adapter->admin_mtx); 1574 adapter->task_requests |= task_requests; 1575 ixgbe_schedule_admin_tasklet(adapter); 1576 mutex_exit(&adapter->admin_mtx); 1577 } else { 1578 struct ifmedia *ifm = &adapter->media; 1579 1580 if (hw->mac.ops.check_link) 1581 err = ixgbe_check_link(hw, &adapter->link_speed, 1582 &adapter->link_up, FALSE); 1583 if (err) 1584 return; 1585 1586 /* 1587 * Check if it's the first call. If it's the first call, 1588 * get value for auto negotiation. 1589 */ 1590 autoneg = hw->phy.autoneg_advertised; 1591 if ((IFM_SUBTYPE(ifm->ifm_cur->ifm_media) != IFM_NONE) 1592 && ((!autoneg) && (hw->mac.ops.get_link_capabilities))) 1593 err = hw->mac.ops.get_link_capabilities(hw, &autoneg, 1594 &negotiate); 1595 if (err) 1596 return; 1597 if (hw->mac.ops.setup_link) 1598 err = hw->mac.ops.setup_link(hw, autoneg, 1599 adapter->link_up); 1600 } 1601 1602 } /* ixgbe_config_link */ 1603 1604 /************************************************************************ 1605 * ixgbe_update_stats_counters - Update board statistics counters. 1606 ************************************************************************/ 1607 static void 1608 ixgbe_update_stats_counters(struct adapter *adapter) 1609 { 1610 struct ifnet *ifp = adapter->ifp; 1611 struct ixgbe_hw *hw = &adapter->hw; 1612 struct ixgbe_hw_stats *stats = &adapter->stats.pf; 1613 u32 missed_rx = 0, bprc, lxon, lxoff, total; 1614 u64 total_missed_rx = 0; 1615 uint64_t crcerrs, rlec; 1616 unsigned int queue_counters; 1617 int i; 1618 1619 crcerrs = IXGBE_READ_REG(hw, IXGBE_CRCERRS); 1620 stats->crcerrs.ev_count += crcerrs; 1621 stats->illerrc.ev_count += IXGBE_READ_REG(hw, IXGBE_ILLERRC); 1622 stats->errbc.ev_count += IXGBE_READ_REG(hw, IXGBE_ERRBC); 1623 stats->mspdc.ev_count += IXGBE_READ_REG(hw, IXGBE_MSPDC); 1624 if (hw->mac.type >= ixgbe_mac_X550) 1625 stats->mbsdc.ev_count += IXGBE_READ_REG(hw, IXGBE_MBSDC); 1626 1627 /* 16 registers exist */ 1628 queue_counters = uimin(__arraycount(stats->qprc), adapter->num_queues); 1629 for (i = 0; i < queue_counters; i++) { 1630 stats->qprc[i].ev_count += IXGBE_READ_REG(hw, IXGBE_QPRC(i)); 1631 stats->qptc[i].ev_count += IXGBE_READ_REG(hw, IXGBE_QPTC(i)); 1632 if (hw->mac.type >= ixgbe_mac_82599EB) { 1633 stats->qprdc[i].ev_count 1634 += IXGBE_READ_REG(hw, IXGBE_QPRDC(i)); 1635 } 1636 } 1637 1638 /* 8 registers exist */ 1639 for (i = 0; i < IXGBE_TC_COUNTER_NUM; i++) { 1640 uint32_t mp; 1641 1642 /* MPC */ 1643 mp = IXGBE_READ_REG(hw, IXGBE_MPC(i)); 1644 /* global total per queue */ 1645 stats->mpc[i].ev_count += mp; 1646 /* running comprehensive total for stats display */ 1647 total_missed_rx += mp; 1648 1649 if (hw->mac.type == ixgbe_mac_82598EB) 1650 stats->rnbc[i].ev_count 1651 += IXGBE_READ_REG(hw, IXGBE_RNBC(i)); 1652 1653 stats->pxontxc[i].ev_count 1654 += IXGBE_READ_REG(hw, IXGBE_PXONTXC(i)); 1655 stats->pxofftxc[i].ev_count 1656 += IXGBE_READ_REG(hw, IXGBE_PXOFFTXC(i)); 1657 if (hw->mac.type >= ixgbe_mac_82599EB) { 1658 stats->pxonrxc[i].ev_count 1659 += IXGBE_READ_REG(hw, IXGBE_PXONRXCNT(i)); 1660 stats->pxoffrxc[i].ev_count 1661 += IXGBE_READ_REG(hw, IXGBE_PXOFFRXCNT(i)); 1662 stats->pxon2offc[i].ev_count 1663 += IXGBE_READ_REG(hw, IXGBE_PXON2OFFCNT(i)); 1664 } else { 1665 stats->pxonrxc[i].ev_count 1666 += IXGBE_READ_REG(hw, IXGBE_PXONRXC(i)); 1667 stats->pxoffrxc[i].ev_count 1668 += IXGBE_READ_REG(hw, IXGBE_PXOFFRXC(i)); 1669 } 1670 } 1671 stats->mpctotal.ev_count += total_missed_rx; 1672 1673 /* Document says M[LR]FC are valid when link is up and 10Gbps */ 1674 if ((adapter->link_active == LINK_STATE_UP) 1675 && (adapter->link_speed == IXGBE_LINK_SPEED_10GB_FULL)) { 1676 stats->mlfc.ev_count += IXGBE_READ_REG(hw, IXGBE_MLFC); 1677 stats->mrfc.ev_count += IXGBE_READ_REG(hw, IXGBE_MRFC); 1678 } 1679 rlec = IXGBE_READ_REG(hw, IXGBE_RLEC); 1680 stats->rlec.ev_count += rlec; 1681 1682 /* Hardware workaround, gprc counts missed packets */ 1683 stats->gprc.ev_count += IXGBE_READ_REG(hw, IXGBE_GPRC) - missed_rx; 1684 1685 lxon = IXGBE_READ_REG(hw, IXGBE_LXONTXC); 1686 stats->lxontxc.ev_count += lxon; 1687 lxoff = IXGBE_READ_REG(hw, IXGBE_LXOFFTXC); 1688 stats->lxofftxc.ev_count += lxoff; 1689 total = lxon + lxoff; 1690 1691 if (hw->mac.type != ixgbe_mac_82598EB) { 1692 stats->gorc.ev_count += IXGBE_READ_REG(hw, IXGBE_GORCL) + 1693 ((u64)IXGBE_READ_REG(hw, IXGBE_GORCH) << 32); 1694 stats->gotc.ev_count += IXGBE_READ_REG(hw, IXGBE_GOTCL) + 1695 ((u64)IXGBE_READ_REG(hw, IXGBE_GOTCH) << 32) - total * ETHER_MIN_LEN; 1696 stats->tor.ev_count += IXGBE_READ_REG(hw, IXGBE_TORL) + 1697 ((u64)IXGBE_READ_REG(hw, IXGBE_TORH) << 32); 1698 stats->lxonrxc.ev_count += IXGBE_READ_REG(hw, IXGBE_LXONRXCNT); 1699 stats->lxoffrxc.ev_count += IXGBE_READ_REG(hw, IXGBE_LXOFFRXCNT); 1700 } else { 1701 stats->lxonrxc.ev_count += IXGBE_READ_REG(hw, IXGBE_LXONRXC); 1702 stats->lxoffrxc.ev_count += IXGBE_READ_REG(hw, IXGBE_LXOFFRXC); 1703 /* 82598 only has a counter in the high register */ 1704 stats->gorc.ev_count += IXGBE_READ_REG(hw, IXGBE_GORCH); 1705 stats->gotc.ev_count += IXGBE_READ_REG(hw, IXGBE_GOTCH) - total * ETHER_MIN_LEN; 1706 stats->tor.ev_count += IXGBE_READ_REG(hw, IXGBE_TORH); 1707 } 1708 1709 /* 1710 * Workaround: mprc hardware is incorrectly counting 1711 * broadcasts, so for now we subtract those. 1712 */ 1713 bprc = IXGBE_READ_REG(hw, IXGBE_BPRC); 1714 stats->bprc.ev_count += bprc; 1715 stats->mprc.ev_count += IXGBE_READ_REG(hw, IXGBE_MPRC) 1716 - ((hw->mac.type == ixgbe_mac_82598EB) ? bprc : 0); 1717 1718 stats->prc64.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC64); 1719 stats->prc127.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC127); 1720 stats->prc255.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC255); 1721 stats->prc511.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC511); 1722 stats->prc1023.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC1023); 1723 stats->prc1522.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC1522); 1724 1725 stats->gptc.ev_count += IXGBE_READ_REG(hw, IXGBE_GPTC) - total; 1726 stats->mptc.ev_count += IXGBE_READ_REG(hw, IXGBE_MPTC) - total; 1727 stats->ptc64.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC64) - total; 1728 1729 stats->ruc.ev_count += IXGBE_READ_REG(hw, IXGBE_RUC); 1730 stats->rfc.ev_count += IXGBE_READ_REG(hw, IXGBE_RFC); 1731 stats->roc.ev_count += IXGBE_READ_REG(hw, IXGBE_ROC); 1732 stats->rjc.ev_count += IXGBE_READ_REG(hw, IXGBE_RJC); 1733 stats->mngprc.ev_count += IXGBE_READ_REG(hw, IXGBE_MNGPRC); 1734 stats->mngpdc.ev_count += IXGBE_READ_REG(hw, IXGBE_MNGPDC); 1735 stats->mngptc.ev_count += IXGBE_READ_REG(hw, IXGBE_MNGPTC); 1736 stats->tpr.ev_count += IXGBE_READ_REG(hw, IXGBE_TPR); 1737 stats->tpt.ev_count += IXGBE_READ_REG(hw, IXGBE_TPT); 1738 stats->ptc127.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC127); 1739 stats->ptc255.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC255); 1740 stats->ptc511.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC511); 1741 stats->ptc1023.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC1023); 1742 stats->ptc1522.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC1522); 1743 stats->bptc.ev_count += IXGBE_READ_REG(hw, IXGBE_BPTC); 1744 stats->xec.ev_count += IXGBE_READ_REG(hw, IXGBE_XEC); 1745 stats->fccrc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCCRC); 1746 stats->fclast.ev_count += IXGBE_READ_REG(hw, IXGBE_FCLAST); 1747 /* Only read FCOE on 82599 */ 1748 if (hw->mac.type != ixgbe_mac_82598EB) { 1749 stats->fcoerpdc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOERPDC); 1750 stats->fcoeprc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOEPRC); 1751 stats->fcoeptc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOEPTC); 1752 stats->fcoedwrc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOEDWRC); 1753 stats->fcoedwtc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOEDWTC); 1754 } 1755 1756 /* 1757 * Fill out the OS statistics structure. Only RX errors are required 1758 * here because all TX counters are incremented in the TX path and 1759 * normal RX counters are prepared in ether_input(). 1760 */ 1761 net_stat_ref_t nsr = IF_STAT_GETREF(ifp); 1762 if_statadd_ref(nsr, if_iqdrops, total_missed_rx); 1763 if_statadd_ref(nsr, if_ierrors, crcerrs + rlec); 1764 IF_STAT_PUTREF(ifp); 1765 } /* ixgbe_update_stats_counters */ 1766 1767 /************************************************************************ 1768 * ixgbe_add_hw_stats 1769 * 1770 * Add sysctl variables, one per statistic, to the system. 1771 ************************************************************************/ 1772 static void 1773 ixgbe_add_hw_stats(struct adapter *adapter) 1774 { 1775 device_t dev = adapter->dev; 1776 const struct sysctlnode *rnode, *cnode; 1777 struct sysctllog **log = &adapter->sysctllog; 1778 struct tx_ring *txr = adapter->tx_rings; 1779 struct rx_ring *rxr = adapter->rx_rings; 1780 struct ixgbe_hw *hw = &adapter->hw; 1781 struct ixgbe_hw_stats *stats = &adapter->stats.pf; 1782 const char *xname = device_xname(dev); 1783 int i; 1784 1785 /* Driver Statistics */ 1786 evcnt_attach_dynamic(&adapter->efbig_tx_dma_setup, EVCNT_TYPE_MISC, 1787 NULL, xname, "Driver tx dma soft fail EFBIG"); 1788 evcnt_attach_dynamic(&adapter->mbuf_defrag_failed, EVCNT_TYPE_MISC, 1789 NULL, xname, "m_defrag() failed"); 1790 evcnt_attach_dynamic(&adapter->efbig2_tx_dma_setup, EVCNT_TYPE_MISC, 1791 NULL, xname, "Driver tx dma hard fail EFBIG"); 1792 evcnt_attach_dynamic(&adapter->einval_tx_dma_setup, EVCNT_TYPE_MISC, 1793 NULL, xname, "Driver tx dma hard fail EINVAL"); 1794 evcnt_attach_dynamic(&adapter->other_tx_dma_setup, EVCNT_TYPE_MISC, 1795 NULL, xname, "Driver tx dma hard fail other"); 1796 evcnt_attach_dynamic(&adapter->eagain_tx_dma_setup, EVCNT_TYPE_MISC, 1797 NULL, xname, "Driver tx dma soft fail EAGAIN"); 1798 evcnt_attach_dynamic(&adapter->enomem_tx_dma_setup, EVCNT_TYPE_MISC, 1799 NULL, xname, "Driver tx dma soft fail ENOMEM"); 1800 evcnt_attach_dynamic(&adapter->watchdog_events, EVCNT_TYPE_MISC, 1801 NULL, xname, "Watchdog timeouts"); 1802 evcnt_attach_dynamic(&adapter->tso_err, EVCNT_TYPE_MISC, 1803 NULL, xname, "TSO errors"); 1804 evcnt_attach_dynamic(&adapter->admin_irqev, EVCNT_TYPE_INTR, 1805 NULL, xname, "Admin MSI-X IRQ Handled"); 1806 evcnt_attach_dynamic(&adapter->link_workev, EVCNT_TYPE_INTR, 1807 NULL, xname, "Link event"); 1808 evcnt_attach_dynamic(&adapter->mod_workev, EVCNT_TYPE_INTR, 1809 NULL, xname, "SFP+ module event"); 1810 evcnt_attach_dynamic(&adapter->msf_workev, EVCNT_TYPE_INTR, 1811 NULL, xname, "Multispeed event"); 1812 evcnt_attach_dynamic(&adapter->phy_workev, EVCNT_TYPE_INTR, 1813 NULL, xname, "External PHY event"); 1814 1815 /* Max number of traffic class is 8 */ 1816 KASSERT(IXGBE_DCB_MAX_TRAFFIC_CLASS == 8); 1817 for (i = 0; i < IXGBE_TC_COUNTER_NUM; i++) { 1818 snprintf(adapter->tcs[i].evnamebuf, 1819 sizeof(adapter->tcs[i].evnamebuf), "%s tc%d", 1820 xname, i); 1821 if (i < __arraycount(stats->mpc)) { 1822 evcnt_attach_dynamic(&stats->mpc[i], 1823 EVCNT_TYPE_MISC, NULL, adapter->tcs[i].evnamebuf, 1824 "RX Missed Packet Count"); 1825 if (hw->mac.type == ixgbe_mac_82598EB) 1826 evcnt_attach_dynamic(&stats->rnbc[i], 1827 EVCNT_TYPE_MISC, NULL, 1828 adapter->tcs[i].evnamebuf, 1829 "Receive No Buffers"); 1830 } 1831 if (i < __arraycount(stats->pxontxc)) { 1832 evcnt_attach_dynamic(&stats->pxontxc[i], 1833 EVCNT_TYPE_MISC, NULL, adapter->tcs[i].evnamebuf, 1834 "pxontxc"); 1835 evcnt_attach_dynamic(&stats->pxonrxc[i], 1836 EVCNT_TYPE_MISC, NULL, adapter->tcs[i].evnamebuf, 1837 "pxonrxc"); 1838 evcnt_attach_dynamic(&stats->pxofftxc[i], 1839 EVCNT_TYPE_MISC, NULL, adapter->tcs[i].evnamebuf, 1840 "pxofftxc"); 1841 evcnt_attach_dynamic(&stats->pxoffrxc[i], 1842 EVCNT_TYPE_MISC, NULL, adapter->tcs[i].evnamebuf, 1843 "pxoffrxc"); 1844 if (hw->mac.type >= ixgbe_mac_82599EB) 1845 evcnt_attach_dynamic(&stats->pxon2offc[i], 1846 EVCNT_TYPE_MISC, NULL, 1847 adapter->tcs[i].evnamebuf, 1848 "pxon2offc"); 1849 } 1850 } 1851 1852 for (i = 0; i < adapter->num_queues; i++, rxr++, txr++) { 1853 #ifdef LRO 1854 struct lro_ctrl *lro = &rxr->lro; 1855 #endif /* LRO */ 1856 1857 snprintf(adapter->queues[i].evnamebuf, 1858 sizeof(adapter->queues[i].evnamebuf), "%s q%d", 1859 xname, i); 1860 snprintf(adapter->queues[i].namebuf, 1861 sizeof(adapter->queues[i].namebuf), "q%d", i); 1862 1863 if ((rnode = ixgbe_sysctl_instance(adapter)) == NULL) { 1864 aprint_error_dev(dev, "could not create sysctl root\n"); 1865 break; 1866 } 1867 1868 if (sysctl_createv(log, 0, &rnode, &rnode, 1869 0, CTLTYPE_NODE, 1870 adapter->queues[i].namebuf, SYSCTL_DESCR("Queue Name"), 1871 NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL) != 0) 1872 break; 1873 1874 if (sysctl_createv(log, 0, &rnode, &cnode, 1875 CTLFLAG_READWRITE, CTLTYPE_INT, 1876 "interrupt_rate", SYSCTL_DESCR("Interrupt Rate"), 1877 ixgbe_sysctl_interrupt_rate_handler, 0, 1878 (void *)&adapter->queues[i], 0, CTL_CREATE, CTL_EOL) != 0) 1879 break; 1880 1881 if (sysctl_createv(log, 0, &rnode, &cnode, 1882 CTLFLAG_READONLY, CTLTYPE_INT, 1883 "txd_head", SYSCTL_DESCR("Transmit Descriptor Head"), 1884 ixgbe_sysctl_tdh_handler, 0, (void *)txr, 1885 0, CTL_CREATE, CTL_EOL) != 0) 1886 break; 1887 1888 if (sysctl_createv(log, 0, &rnode, &cnode, 1889 CTLFLAG_READONLY, CTLTYPE_INT, 1890 "txd_tail", SYSCTL_DESCR("Transmit Descriptor Tail"), 1891 ixgbe_sysctl_tdt_handler, 0, (void *)txr, 1892 0, CTL_CREATE, CTL_EOL) != 0) 1893 break; 1894 1895 evcnt_attach_dynamic(&adapter->queues[i].irqs, EVCNT_TYPE_INTR, 1896 NULL, adapter->queues[i].evnamebuf, "IRQs on queue"); 1897 evcnt_attach_dynamic(&adapter->queues[i].handleq, 1898 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1899 "Handled queue in softint"); 1900 evcnt_attach_dynamic(&adapter->queues[i].req, EVCNT_TYPE_MISC, 1901 NULL, adapter->queues[i].evnamebuf, "Requeued in softint"); 1902 evcnt_attach_dynamic(&txr->tso_tx, EVCNT_TYPE_MISC, 1903 NULL, adapter->queues[i].evnamebuf, "TSO"); 1904 evcnt_attach_dynamic(&txr->no_desc_avail, EVCNT_TYPE_MISC, 1905 NULL, adapter->queues[i].evnamebuf, 1906 "Queue No Descriptor Available"); 1907 evcnt_attach_dynamic(&txr->total_packets, EVCNT_TYPE_MISC, 1908 NULL, adapter->queues[i].evnamebuf, 1909 "Queue Packets Transmitted"); 1910 #ifndef IXGBE_LEGACY_TX 1911 evcnt_attach_dynamic(&txr->pcq_drops, EVCNT_TYPE_MISC, 1912 NULL, adapter->queues[i].evnamebuf, 1913 "Packets dropped in pcq"); 1914 #endif 1915 1916 if (sysctl_createv(log, 0, &rnode, &cnode, 1917 CTLFLAG_READONLY, 1918 CTLTYPE_INT, 1919 "rxd_nxck", SYSCTL_DESCR("Receive Descriptor next to check"), 1920 ixgbe_sysctl_next_to_check_handler, 0, (void *)rxr, 0, 1921 CTL_CREATE, CTL_EOL) != 0) 1922 break; 1923 1924 if (sysctl_createv(log, 0, &rnode, &cnode, 1925 CTLFLAG_READONLY, 1926 CTLTYPE_INT, 1927 "rxd_head", SYSCTL_DESCR("Receive Descriptor Head"), 1928 ixgbe_sysctl_rdh_handler, 0, (void *)rxr, 0, 1929 CTL_CREATE, CTL_EOL) != 0) 1930 break; 1931 1932 if (sysctl_createv(log, 0, &rnode, &cnode, 1933 CTLFLAG_READONLY, 1934 CTLTYPE_INT, 1935 "rxd_tail", SYSCTL_DESCR("Receive Descriptor Tail"), 1936 ixgbe_sysctl_rdt_handler, 0, (void *)rxr, 0, 1937 CTL_CREATE, CTL_EOL) != 0) 1938 break; 1939 1940 if (i < __arraycount(stats->qprc)) { 1941 evcnt_attach_dynamic(&stats->qprc[i], 1942 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1943 "qprc"); 1944 evcnt_attach_dynamic(&stats->qptc[i], 1945 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1946 "qptc"); 1947 evcnt_attach_dynamic(&stats->qbrc[i], 1948 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1949 "qbrc"); 1950 evcnt_attach_dynamic(&stats->qbtc[i], 1951 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1952 "qbtc"); 1953 if (hw->mac.type >= ixgbe_mac_82599EB) 1954 evcnt_attach_dynamic(&stats->qprdc[i], 1955 EVCNT_TYPE_MISC, NULL, 1956 adapter->queues[i].evnamebuf, "qprdc"); 1957 } 1958 1959 evcnt_attach_dynamic(&rxr->rx_packets, EVCNT_TYPE_MISC, 1960 NULL, adapter->queues[i].evnamebuf, "Queue Packets Received"); 1961 evcnt_attach_dynamic(&rxr->rx_bytes, EVCNT_TYPE_MISC, 1962 NULL, adapter->queues[i].evnamebuf, "Queue Bytes Received"); 1963 evcnt_attach_dynamic(&rxr->rx_copies, EVCNT_TYPE_MISC, 1964 NULL, adapter->queues[i].evnamebuf, "Copied RX Frames"); 1965 evcnt_attach_dynamic(&rxr->no_jmbuf, EVCNT_TYPE_MISC, 1966 NULL, adapter->queues[i].evnamebuf, "Rx no jumbo mbuf"); 1967 evcnt_attach_dynamic(&rxr->rx_discarded, EVCNT_TYPE_MISC, 1968 NULL, adapter->queues[i].evnamebuf, "Rx discarded"); 1969 #ifdef LRO 1970 SYSCTL_ADD_INT(ctx, queue_list, OID_AUTO, "lro_queued", 1971 CTLFLAG_RD, &lro->lro_queued, 0, 1972 "LRO Queued"); 1973 SYSCTL_ADD_INT(ctx, queue_list, OID_AUTO, "lro_flushed", 1974 CTLFLAG_RD, &lro->lro_flushed, 0, 1975 "LRO Flushed"); 1976 #endif /* LRO */ 1977 } 1978 1979 /* MAC stats get their own sub node */ 1980 1981 snprintf(stats->namebuf, 1982 sizeof(stats->namebuf), "%s MAC Statistics", xname); 1983 1984 evcnt_attach_dynamic(&stats->ipcs, EVCNT_TYPE_MISC, NULL, 1985 stats->namebuf, "rx csum offload - IP"); 1986 evcnt_attach_dynamic(&stats->l4cs, EVCNT_TYPE_MISC, NULL, 1987 stats->namebuf, "rx csum offload - L4"); 1988 evcnt_attach_dynamic(&stats->ipcs_bad, EVCNT_TYPE_MISC, NULL, 1989 stats->namebuf, "rx csum offload - IP bad"); 1990 evcnt_attach_dynamic(&stats->l4cs_bad, EVCNT_TYPE_MISC, NULL, 1991 stats->namebuf, "rx csum offload - L4 bad"); 1992 evcnt_attach_dynamic(&stats->intzero, EVCNT_TYPE_MISC, NULL, 1993 stats->namebuf, "Interrupt conditions zero"); 1994 evcnt_attach_dynamic(&stats->legint, EVCNT_TYPE_MISC, NULL, 1995 stats->namebuf, "Legacy interrupts"); 1996 1997 evcnt_attach_dynamic(&stats->crcerrs, EVCNT_TYPE_MISC, NULL, 1998 stats->namebuf, "CRC Errors"); 1999 evcnt_attach_dynamic(&stats->illerrc, EVCNT_TYPE_MISC, NULL, 2000 stats->namebuf, "Illegal Byte Errors"); 2001 evcnt_attach_dynamic(&stats->errbc, EVCNT_TYPE_MISC, NULL, 2002 stats->namebuf, "Byte Errors"); 2003 evcnt_attach_dynamic(&stats->mspdc, EVCNT_TYPE_MISC, NULL, 2004 stats->namebuf, "MAC Short Packets Discarded"); 2005 if (hw->mac.type >= ixgbe_mac_X550) 2006 evcnt_attach_dynamic(&stats->mbsdc, EVCNT_TYPE_MISC, NULL, 2007 stats->namebuf, "Bad SFD"); 2008 evcnt_attach_dynamic(&stats->mpctotal, EVCNT_TYPE_MISC, NULL, 2009 stats->namebuf, "Total Packets Missed"); 2010 evcnt_attach_dynamic(&stats->mlfc, EVCNT_TYPE_MISC, NULL, 2011 stats->namebuf, "MAC Local Faults"); 2012 evcnt_attach_dynamic(&stats->mrfc, EVCNT_TYPE_MISC, NULL, 2013 stats->namebuf, "MAC Remote Faults"); 2014 evcnt_attach_dynamic(&stats->rlec, EVCNT_TYPE_MISC, NULL, 2015 stats->namebuf, "Receive Length Errors"); 2016 evcnt_attach_dynamic(&stats->lxontxc, EVCNT_TYPE_MISC, NULL, 2017 stats->namebuf, "Link XON Transmitted"); 2018 evcnt_attach_dynamic(&stats->lxonrxc, EVCNT_TYPE_MISC, NULL, 2019 stats->namebuf, "Link XON Received"); 2020 evcnt_attach_dynamic(&stats->lxofftxc, EVCNT_TYPE_MISC, NULL, 2021 stats->namebuf, "Link XOFF Transmitted"); 2022 evcnt_attach_dynamic(&stats->lxoffrxc, EVCNT_TYPE_MISC, NULL, 2023 stats->namebuf, "Link XOFF Received"); 2024 2025 /* Packet Reception Stats */ 2026 evcnt_attach_dynamic(&stats->tor, EVCNT_TYPE_MISC, NULL, 2027 stats->namebuf, "Total Octets Received"); 2028 evcnt_attach_dynamic(&stats->gorc, EVCNT_TYPE_MISC, NULL, 2029 stats->namebuf, "Good Octets Received"); 2030 evcnt_attach_dynamic(&stats->tpr, EVCNT_TYPE_MISC, NULL, 2031 stats->namebuf, "Total Packets Received"); 2032 evcnt_attach_dynamic(&stats->gprc, EVCNT_TYPE_MISC, NULL, 2033 stats->namebuf, "Good Packets Received"); 2034 evcnt_attach_dynamic(&stats->mprc, EVCNT_TYPE_MISC, NULL, 2035 stats->namebuf, "Multicast Packets Received"); 2036 evcnt_attach_dynamic(&stats->bprc, EVCNT_TYPE_MISC, NULL, 2037 stats->namebuf, "Broadcast Packets Received"); 2038 evcnt_attach_dynamic(&stats->prc64, EVCNT_TYPE_MISC, NULL, 2039 stats->namebuf, "64 byte frames received "); 2040 evcnt_attach_dynamic(&stats->prc127, EVCNT_TYPE_MISC, NULL, 2041 stats->namebuf, "65-127 byte frames received"); 2042 evcnt_attach_dynamic(&stats->prc255, EVCNT_TYPE_MISC, NULL, 2043 stats->namebuf, "128-255 byte frames received"); 2044 evcnt_attach_dynamic(&stats->prc511, EVCNT_TYPE_MISC, NULL, 2045 stats->namebuf, "256-511 byte frames received"); 2046 evcnt_attach_dynamic(&stats->prc1023, EVCNT_TYPE_MISC, NULL, 2047 stats->namebuf, "512-1023 byte frames received"); 2048 evcnt_attach_dynamic(&stats->prc1522, EVCNT_TYPE_MISC, NULL, 2049 stats->namebuf, "1023-1522 byte frames received"); 2050 evcnt_attach_dynamic(&stats->ruc, EVCNT_TYPE_MISC, NULL, 2051 stats->namebuf, "Receive Undersized"); 2052 evcnt_attach_dynamic(&stats->rfc, EVCNT_TYPE_MISC, NULL, 2053 stats->namebuf, "Fragmented Packets Received "); 2054 evcnt_attach_dynamic(&stats->roc, EVCNT_TYPE_MISC, NULL, 2055 stats->namebuf, "Oversized Packets Received"); 2056 evcnt_attach_dynamic(&stats->rjc, EVCNT_TYPE_MISC, NULL, 2057 stats->namebuf, "Received Jabber"); 2058 evcnt_attach_dynamic(&stats->mngprc, EVCNT_TYPE_MISC, NULL, 2059 stats->namebuf, "Management Packets Received"); 2060 evcnt_attach_dynamic(&stats->mngpdc, EVCNT_TYPE_MISC, NULL, 2061 stats->namebuf, "Management Packets Dropped"); 2062 evcnt_attach_dynamic(&stats->xec, EVCNT_TYPE_MISC, NULL, 2063 stats->namebuf, "Checksum Errors"); 2064 2065 /* Packet Transmission Stats */ 2066 evcnt_attach_dynamic(&stats->gotc, EVCNT_TYPE_MISC, NULL, 2067 stats->namebuf, "Good Octets Transmitted"); 2068 evcnt_attach_dynamic(&stats->tpt, EVCNT_TYPE_MISC, NULL, 2069 stats->namebuf, "Total Packets Transmitted"); 2070 evcnt_attach_dynamic(&stats->gptc, EVCNT_TYPE_MISC, NULL, 2071 stats->namebuf, "Good Packets Transmitted"); 2072 evcnt_attach_dynamic(&stats->bptc, EVCNT_TYPE_MISC, NULL, 2073 stats->namebuf, "Broadcast Packets Transmitted"); 2074 evcnt_attach_dynamic(&stats->mptc, EVCNT_TYPE_MISC, NULL, 2075 stats->namebuf, "Multicast Packets Transmitted"); 2076 evcnt_attach_dynamic(&stats->mngptc, EVCNT_TYPE_MISC, NULL, 2077 stats->namebuf, "Management Packets Transmitted"); 2078 evcnt_attach_dynamic(&stats->ptc64, EVCNT_TYPE_MISC, NULL, 2079 stats->namebuf, "64 byte frames transmitted "); 2080 evcnt_attach_dynamic(&stats->ptc127, EVCNT_TYPE_MISC, NULL, 2081 stats->namebuf, "65-127 byte frames transmitted"); 2082 evcnt_attach_dynamic(&stats->ptc255, EVCNT_TYPE_MISC, NULL, 2083 stats->namebuf, "128-255 byte frames transmitted"); 2084 evcnt_attach_dynamic(&stats->ptc511, EVCNT_TYPE_MISC, NULL, 2085 stats->namebuf, "256-511 byte frames transmitted"); 2086 evcnt_attach_dynamic(&stats->ptc1023, EVCNT_TYPE_MISC, NULL, 2087 stats->namebuf, "512-1023 byte frames transmitted"); 2088 evcnt_attach_dynamic(&stats->ptc1522, EVCNT_TYPE_MISC, NULL, 2089 stats->namebuf, "1024-1522 byte frames transmitted"); 2090 } /* ixgbe_add_hw_stats */ 2091 2092 static void 2093 ixgbe_clear_evcnt(struct adapter *adapter) 2094 { 2095 struct tx_ring *txr = adapter->tx_rings; 2096 struct rx_ring *rxr = adapter->rx_rings; 2097 struct ixgbe_hw *hw = &adapter->hw; 2098 struct ixgbe_hw_stats *stats = &adapter->stats.pf; 2099 int i; 2100 2101 adapter->efbig_tx_dma_setup.ev_count = 0; 2102 adapter->mbuf_defrag_failed.ev_count = 0; 2103 adapter->efbig2_tx_dma_setup.ev_count = 0; 2104 adapter->einval_tx_dma_setup.ev_count = 0; 2105 adapter->other_tx_dma_setup.ev_count = 0; 2106 adapter->eagain_tx_dma_setup.ev_count = 0; 2107 adapter->enomem_tx_dma_setup.ev_count = 0; 2108 adapter->tso_err.ev_count = 0; 2109 adapter->watchdog_events.ev_count = 0; 2110 adapter->admin_irqev.ev_count = 0; 2111 adapter->link_workev.ev_count = 0; 2112 adapter->mod_workev.ev_count = 0; 2113 adapter->msf_workev.ev_count = 0; 2114 adapter->phy_workev.ev_count = 0; 2115 2116 for (i = 0; i < IXGBE_TC_COUNTER_NUM; i++) { 2117 if (i < __arraycount(stats->mpc)) { 2118 stats->mpc[i].ev_count = 0; 2119 if (hw->mac.type == ixgbe_mac_82598EB) 2120 stats->rnbc[i].ev_count = 0; 2121 } 2122 if (i < __arraycount(stats->pxontxc)) { 2123 stats->pxontxc[i].ev_count = 0; 2124 stats->pxonrxc[i].ev_count = 0; 2125 stats->pxofftxc[i].ev_count = 0; 2126 stats->pxoffrxc[i].ev_count = 0; 2127 if (hw->mac.type >= ixgbe_mac_82599EB) 2128 stats->pxon2offc[i].ev_count = 0; 2129 } 2130 } 2131 2132 txr = adapter->tx_rings; 2133 for (i = 0; i < adapter->num_queues; i++, rxr++, txr++) { 2134 adapter->queues[i].irqs.ev_count = 0; 2135 adapter->queues[i].handleq.ev_count = 0; 2136 adapter->queues[i].req.ev_count = 0; 2137 txr->no_desc_avail.ev_count = 0; 2138 txr->total_packets.ev_count = 0; 2139 txr->tso_tx.ev_count = 0; 2140 #ifndef IXGBE_LEGACY_TX 2141 txr->pcq_drops.ev_count = 0; 2142 #endif 2143 txr->q_efbig_tx_dma_setup = 0; 2144 txr->q_mbuf_defrag_failed = 0; 2145 txr->q_efbig2_tx_dma_setup = 0; 2146 txr->q_einval_tx_dma_setup = 0; 2147 txr->q_other_tx_dma_setup = 0; 2148 txr->q_eagain_tx_dma_setup = 0; 2149 txr->q_enomem_tx_dma_setup = 0; 2150 txr->q_tso_err = 0; 2151 2152 if (i < __arraycount(stats->qprc)) { 2153 stats->qprc[i].ev_count = 0; 2154 stats->qptc[i].ev_count = 0; 2155 stats->qbrc[i].ev_count = 0; 2156 stats->qbtc[i].ev_count = 0; 2157 if (hw->mac.type >= ixgbe_mac_82599EB) 2158 stats->qprdc[i].ev_count = 0; 2159 } 2160 2161 rxr->rx_packets.ev_count = 0; 2162 rxr->rx_bytes.ev_count = 0; 2163 rxr->rx_copies.ev_count = 0; 2164 rxr->no_jmbuf.ev_count = 0; 2165 rxr->rx_discarded.ev_count = 0; 2166 } 2167 stats->ipcs.ev_count = 0; 2168 stats->l4cs.ev_count = 0; 2169 stats->ipcs_bad.ev_count = 0; 2170 stats->l4cs_bad.ev_count = 0; 2171 stats->intzero.ev_count = 0; 2172 stats->legint.ev_count = 0; 2173 stats->crcerrs.ev_count = 0; 2174 stats->illerrc.ev_count = 0; 2175 stats->errbc.ev_count = 0; 2176 stats->mspdc.ev_count = 0; 2177 if (hw->mac.type >= ixgbe_mac_X550) 2178 stats->mbsdc.ev_count = 0; 2179 stats->mpctotal.ev_count = 0; 2180 stats->mlfc.ev_count = 0; 2181 stats->mrfc.ev_count = 0; 2182 stats->rlec.ev_count = 0; 2183 stats->lxontxc.ev_count = 0; 2184 stats->lxonrxc.ev_count = 0; 2185 stats->lxofftxc.ev_count = 0; 2186 stats->lxoffrxc.ev_count = 0; 2187 2188 /* Packet Reception Stats */ 2189 stats->tor.ev_count = 0; 2190 stats->gorc.ev_count = 0; 2191 stats->tpr.ev_count = 0; 2192 stats->gprc.ev_count = 0; 2193 stats->mprc.ev_count = 0; 2194 stats->bprc.ev_count = 0; 2195 stats->prc64.ev_count = 0; 2196 stats->prc127.ev_count = 0; 2197 stats->prc255.ev_count = 0; 2198 stats->prc511.ev_count = 0; 2199 stats->prc1023.ev_count = 0; 2200 stats->prc1522.ev_count = 0; 2201 stats->ruc.ev_count = 0; 2202 stats->rfc.ev_count = 0; 2203 stats->roc.ev_count = 0; 2204 stats->rjc.ev_count = 0; 2205 stats->mngprc.ev_count = 0; 2206 stats->mngpdc.ev_count = 0; 2207 stats->xec.ev_count = 0; 2208 2209 /* Packet Transmission Stats */ 2210 stats->gotc.ev_count = 0; 2211 stats->tpt.ev_count = 0; 2212 stats->gptc.ev_count = 0; 2213 stats->bptc.ev_count = 0; 2214 stats->mptc.ev_count = 0; 2215 stats->mngptc.ev_count = 0; 2216 stats->ptc64.ev_count = 0; 2217 stats->ptc127.ev_count = 0; 2218 stats->ptc255.ev_count = 0; 2219 stats->ptc511.ev_count = 0; 2220 stats->ptc1023.ev_count = 0; 2221 stats->ptc1522.ev_count = 0; 2222 } 2223 2224 /************************************************************************ 2225 * ixgbe_sysctl_tdh_handler - Transmit Descriptor Head handler function 2226 * 2227 * Retrieves the TDH value from the hardware 2228 ************************************************************************/ 2229 static int 2230 ixgbe_sysctl_tdh_handler(SYSCTLFN_ARGS) 2231 { 2232 struct sysctlnode node = *rnode; 2233 struct tx_ring *txr = (struct tx_ring *)node.sysctl_data; 2234 struct adapter *adapter; 2235 uint32_t val; 2236 2237 if (!txr) 2238 return (0); 2239 2240 adapter = txr->adapter; 2241 if (ixgbe_fw_recovery_mode_swflag(adapter)) 2242 return (EPERM); 2243 2244 val = IXGBE_READ_REG(&adapter->hw, IXGBE_TDH(txr->me)); 2245 node.sysctl_data = &val; 2246 return sysctl_lookup(SYSCTLFN_CALL(&node)); 2247 } /* ixgbe_sysctl_tdh_handler */ 2248 2249 /************************************************************************ 2250 * ixgbe_sysctl_tdt_handler - Transmit Descriptor Tail handler function 2251 * 2252 * Retrieves the TDT value from the hardware 2253 ************************************************************************/ 2254 static int 2255 ixgbe_sysctl_tdt_handler(SYSCTLFN_ARGS) 2256 { 2257 struct sysctlnode node = *rnode; 2258 struct tx_ring *txr = (struct tx_ring *)node.sysctl_data; 2259 struct adapter *adapter; 2260 uint32_t val; 2261 2262 if (!txr) 2263 return (0); 2264 2265 adapter = txr->adapter; 2266 if (ixgbe_fw_recovery_mode_swflag(adapter)) 2267 return (EPERM); 2268 2269 val = IXGBE_READ_REG(&adapter->hw, IXGBE_TDT(txr->me)); 2270 node.sysctl_data = &val; 2271 return sysctl_lookup(SYSCTLFN_CALL(&node)); 2272 } /* ixgbe_sysctl_tdt_handler */ 2273 2274 /************************************************************************ 2275 * ixgbe_sysctl_next_to_check_handler - Receive Descriptor next to check 2276 * handler function 2277 * 2278 * Retrieves the next_to_check value 2279 ************************************************************************/ 2280 static int 2281 ixgbe_sysctl_next_to_check_handler(SYSCTLFN_ARGS) 2282 { 2283 struct sysctlnode node = *rnode; 2284 struct rx_ring *rxr = (struct rx_ring *)node.sysctl_data; 2285 struct adapter *adapter; 2286 uint32_t val; 2287 2288 if (!rxr) 2289 return (0); 2290 2291 adapter = rxr->adapter; 2292 if (ixgbe_fw_recovery_mode_swflag(adapter)) 2293 return (EPERM); 2294 2295 val = rxr->next_to_check; 2296 node.sysctl_data = &val; 2297 return sysctl_lookup(SYSCTLFN_CALL(&node)); 2298 } /* ixgbe_sysctl_next_to_check_handler */ 2299 2300 /************************************************************************ 2301 * ixgbe_sysctl_rdh_handler - Receive Descriptor Head handler function 2302 * 2303 * Retrieves the RDH value from the hardware 2304 ************************************************************************/ 2305 static int 2306 ixgbe_sysctl_rdh_handler(SYSCTLFN_ARGS) 2307 { 2308 struct sysctlnode node = *rnode; 2309 struct rx_ring *rxr = (struct rx_ring *)node.sysctl_data; 2310 struct adapter *adapter; 2311 uint32_t val; 2312 2313 if (!rxr) 2314 return (0); 2315 2316 adapter = rxr->adapter; 2317 if (ixgbe_fw_recovery_mode_swflag(adapter)) 2318 return (EPERM); 2319 2320 val = IXGBE_READ_REG(&adapter->hw, IXGBE_RDH(rxr->me)); 2321 node.sysctl_data = &val; 2322 return sysctl_lookup(SYSCTLFN_CALL(&node)); 2323 } /* ixgbe_sysctl_rdh_handler */ 2324 2325 /************************************************************************ 2326 * ixgbe_sysctl_rdt_handler - Receive Descriptor Tail handler function 2327 * 2328 * Retrieves the RDT value from the hardware 2329 ************************************************************************/ 2330 static int 2331 ixgbe_sysctl_rdt_handler(SYSCTLFN_ARGS) 2332 { 2333 struct sysctlnode node = *rnode; 2334 struct rx_ring *rxr = (struct rx_ring *)node.sysctl_data; 2335 struct adapter *adapter; 2336 uint32_t val; 2337 2338 if (!rxr) 2339 return (0); 2340 2341 adapter = rxr->adapter; 2342 if (ixgbe_fw_recovery_mode_swflag(adapter)) 2343 return (EPERM); 2344 2345 val = IXGBE_READ_REG(&adapter->hw, IXGBE_RDT(rxr->me)); 2346 node.sysctl_data = &val; 2347 return sysctl_lookup(SYSCTLFN_CALL(&node)); 2348 } /* ixgbe_sysctl_rdt_handler */ 2349 2350 static int 2351 ixgbe_vlan_cb(struct ethercom *ec, uint16_t vid, bool set) 2352 { 2353 struct ifnet *ifp = &ec->ec_if; 2354 struct adapter *adapter = ifp->if_softc; 2355 int rv; 2356 2357 if (set) 2358 rv = ixgbe_register_vlan(adapter, vid); 2359 else 2360 rv = ixgbe_unregister_vlan(adapter, vid); 2361 2362 if (rv != 0) 2363 return rv; 2364 2365 /* 2366 * Control VLAN HW tagging when ec_nvlan is changed from 1 to 0 2367 * or 0 to 1. 2368 */ 2369 if ((set && (ec->ec_nvlans == 1)) || (!set && (ec->ec_nvlans == 0))) 2370 ixgbe_setup_vlan_hw_tagging(adapter); 2371 2372 return rv; 2373 } 2374 2375 /************************************************************************ 2376 * ixgbe_register_vlan 2377 * 2378 * Run via vlan config EVENT, it enables us to use the 2379 * HW Filter table since we can get the vlan id. This 2380 * just creates the entry in the soft version of the 2381 * VFTA, init will repopulate the real table. 2382 ************************************************************************/ 2383 static int 2384 ixgbe_register_vlan(struct adapter *adapter, u16 vtag) 2385 { 2386 u16 index, bit; 2387 int error; 2388 2389 if ((vtag == 0) || (vtag > 4095)) /* Invalid */ 2390 return EINVAL; 2391 2392 IXGBE_CORE_LOCK(adapter); 2393 index = (vtag >> 5) & 0x7F; 2394 bit = vtag & 0x1F; 2395 adapter->shadow_vfta[index] |= ((u32)1 << bit); 2396 error = adapter->hw.mac.ops.set_vfta(&adapter->hw, vtag, 0, true, 2397 true); 2398 IXGBE_CORE_UNLOCK(adapter); 2399 if (error != 0) 2400 error = EACCES; 2401 2402 return error; 2403 } /* ixgbe_register_vlan */ 2404 2405 /************************************************************************ 2406 * ixgbe_unregister_vlan 2407 * 2408 * Run via vlan unconfig EVENT, remove our entry in the soft vfta. 2409 ************************************************************************/ 2410 static int 2411 ixgbe_unregister_vlan(struct adapter *adapter, u16 vtag) 2412 { 2413 u16 index, bit; 2414 int error; 2415 2416 if ((vtag == 0) || (vtag > 4095)) /* Invalid */ 2417 return EINVAL; 2418 2419 IXGBE_CORE_LOCK(adapter); 2420 index = (vtag >> 5) & 0x7F; 2421 bit = vtag & 0x1F; 2422 adapter->shadow_vfta[index] &= ~((u32)1 << bit); 2423 error = adapter->hw.mac.ops.set_vfta(&adapter->hw, vtag, 0, false, 2424 true); 2425 IXGBE_CORE_UNLOCK(adapter); 2426 if (error != 0) 2427 error = EACCES; 2428 2429 return error; 2430 } /* ixgbe_unregister_vlan */ 2431 2432 static void 2433 ixgbe_setup_vlan_hw_tagging(struct adapter *adapter) 2434 { 2435 struct ethercom *ec = &adapter->osdep.ec; 2436 struct ixgbe_hw *hw = &adapter->hw; 2437 struct rx_ring *rxr; 2438 u32 ctrl; 2439 int i; 2440 bool hwtagging; 2441 2442 /* Enable HW tagging only if any vlan is attached */ 2443 hwtagging = (ec->ec_capenable & ETHERCAP_VLAN_HWTAGGING) 2444 && VLAN_ATTACHED(ec); 2445 2446 /* Setup the queues for vlans */ 2447 for (i = 0; i < adapter->num_queues; i++) { 2448 rxr = &adapter->rx_rings[i]; 2449 /* 2450 * On 82599 and later, the VLAN enable is per/queue in RXDCTL. 2451 */ 2452 if (hw->mac.type != ixgbe_mac_82598EB) { 2453 ctrl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(rxr->me)); 2454 if (hwtagging) 2455 ctrl |= IXGBE_RXDCTL_VME; 2456 else 2457 ctrl &= ~IXGBE_RXDCTL_VME; 2458 IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(rxr->me), ctrl); 2459 } 2460 rxr->vtag_strip = hwtagging ? TRUE : FALSE; 2461 } 2462 2463 /* VLAN hw tagging for 82598 */ 2464 if (hw->mac.type == ixgbe_mac_82598EB) { 2465 ctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL); 2466 if (hwtagging) 2467 ctrl |= IXGBE_VLNCTRL_VME; 2468 else 2469 ctrl &= ~IXGBE_VLNCTRL_VME; 2470 IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, ctrl); 2471 } 2472 } /* ixgbe_setup_vlan_hw_tagging */ 2473 2474 static void 2475 ixgbe_setup_vlan_hw_support(struct adapter *adapter) 2476 { 2477 struct ethercom *ec = &adapter->osdep.ec; 2478 struct ixgbe_hw *hw = &adapter->hw; 2479 int i; 2480 u32 ctrl; 2481 struct vlanid_list *vlanidp; 2482 2483 /* 2484 * This function is called from both if_init and ifflags_cb() 2485 * on NetBSD. 2486 */ 2487 2488 /* 2489 * Part 1: 2490 * Setup VLAN HW tagging 2491 */ 2492 ixgbe_setup_vlan_hw_tagging(adapter); 2493 2494 /* 2495 * Part 2: 2496 * Setup VLAN HW filter 2497 */ 2498 /* Cleanup shadow_vfta */ 2499 for (i = 0; i < IXGBE_VFTA_SIZE; i++) 2500 adapter->shadow_vfta[i] = 0; 2501 /* Generate shadow_vfta from ec_vids */ 2502 ETHER_LOCK(ec); 2503 SIMPLEQ_FOREACH(vlanidp, &ec->ec_vids, vid_list) { 2504 uint32_t idx; 2505 2506 idx = vlanidp->vid / 32; 2507 KASSERT(idx < IXGBE_VFTA_SIZE); 2508 adapter->shadow_vfta[idx] |= (u32)1 << (vlanidp->vid % 32); 2509 } 2510 ETHER_UNLOCK(ec); 2511 for (i = 0; i < IXGBE_VFTA_SIZE; i++) 2512 IXGBE_WRITE_REG(hw, IXGBE_VFTA(i), adapter->shadow_vfta[i]); 2513 2514 ctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL); 2515 /* Enable the Filter Table if enabled */ 2516 if (ec->ec_capenable & ETHERCAP_VLAN_HWFILTER) 2517 ctrl |= IXGBE_VLNCTRL_VFE; 2518 else 2519 ctrl &= ~IXGBE_VLNCTRL_VFE; 2520 IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, ctrl); 2521 } /* ixgbe_setup_vlan_hw_support */ 2522 2523 /************************************************************************ 2524 * ixgbe_get_slot_info 2525 * 2526 * Get the width and transaction speed of 2527 * the slot this adapter is plugged into. 2528 ************************************************************************/ 2529 static void 2530 ixgbe_get_slot_info(struct adapter *adapter) 2531 { 2532 device_t dev = adapter->dev; 2533 struct ixgbe_hw *hw = &adapter->hw; 2534 u32 offset; 2535 u16 link; 2536 int bus_info_valid = TRUE; 2537 2538 /* Some devices are behind an internal bridge */ 2539 switch (hw->device_id) { 2540 case IXGBE_DEV_ID_82599_SFP_SF_QP: 2541 case IXGBE_DEV_ID_82599_QSFP_SF_QP: 2542 goto get_parent_info; 2543 default: 2544 break; 2545 } 2546 2547 ixgbe_get_bus_info(hw); 2548 2549 /* 2550 * Some devices don't use PCI-E, but there is no need 2551 * to display "Unknown" for bus speed and width. 2552 */ 2553 switch (hw->mac.type) { 2554 case ixgbe_mac_X550EM_x: 2555 case ixgbe_mac_X550EM_a: 2556 return; 2557 default: 2558 goto display; 2559 } 2560 2561 get_parent_info: 2562 /* 2563 * For the Quad port adapter we need to parse back 2564 * up the PCI tree to find the speed of the expansion 2565 * slot into which this adapter is plugged. A bit more work. 2566 */ 2567 dev = device_parent(device_parent(dev)); 2568 #if 0 2569 #ifdef IXGBE_DEBUG 2570 device_printf(dev, "parent pcib = %x,%x,%x\n", pci_get_bus(dev), 2571 pci_get_slot(dev), pci_get_function(dev)); 2572 #endif 2573 dev = device_parent(device_parent(dev)); 2574 #ifdef IXGBE_DEBUG 2575 device_printf(dev, "slot pcib = %x,%x,%x\n", pci_get_bus(dev), 2576 pci_get_slot(dev), pci_get_function(dev)); 2577 #endif 2578 #endif 2579 /* Now get the PCI Express Capabilities offset */ 2580 if (pci_get_capability(adapter->osdep.pc, adapter->osdep.tag, 2581 PCI_CAP_PCIEXPRESS, &offset, NULL)) { 2582 /* 2583 * Hmm...can't get PCI-Express capabilities. 2584 * Falling back to default method. 2585 */ 2586 bus_info_valid = FALSE; 2587 ixgbe_get_bus_info(hw); 2588 goto display; 2589 } 2590 /* ...and read the Link Status Register */ 2591 link = pci_conf_read(adapter->osdep.pc, adapter->osdep.tag, 2592 offset + PCIE_LCSR) >> 16; 2593 ixgbe_set_pci_config_data_generic(hw, link); 2594 2595 display: 2596 device_printf(dev, "PCI Express Bus: Speed %s Width %s\n", 2597 ((hw->bus.speed == ixgbe_bus_speed_8000) ? "8.0GT/s" : 2598 (hw->bus.speed == ixgbe_bus_speed_5000) ? "5.0GT/s" : 2599 (hw->bus.speed == ixgbe_bus_speed_2500) ? "2.5GT/s" : 2600 "Unknown"), 2601 ((hw->bus.width == ixgbe_bus_width_pcie_x8) ? "x8" : 2602 (hw->bus.width == ixgbe_bus_width_pcie_x4) ? "x4" : 2603 (hw->bus.width == ixgbe_bus_width_pcie_x1) ? "x1" : 2604 "Unknown")); 2605 2606 if (bus_info_valid) { 2607 if ((hw->device_id != IXGBE_DEV_ID_82599_SFP_SF_QP) && 2608 ((hw->bus.width <= ixgbe_bus_width_pcie_x4) && 2609 (hw->bus.speed == ixgbe_bus_speed_2500))) { 2610 device_printf(dev, "PCI-Express bandwidth available" 2611 " for this card\n is not sufficient for" 2612 " optimal performance.\n"); 2613 device_printf(dev, "For optimal performance a x8 " 2614 "PCIE, or x4 PCIE Gen2 slot is required.\n"); 2615 } 2616 if ((hw->device_id == IXGBE_DEV_ID_82599_SFP_SF_QP) && 2617 ((hw->bus.width <= ixgbe_bus_width_pcie_x8) && 2618 (hw->bus.speed < ixgbe_bus_speed_8000))) { 2619 device_printf(dev, "PCI-Express bandwidth available" 2620 " for this card\n is not sufficient for" 2621 " optimal performance.\n"); 2622 device_printf(dev, "For optimal performance a x8 " 2623 "PCIE Gen3 slot is required.\n"); 2624 } 2625 } else 2626 device_printf(dev, "Unable to determine slot speed/width. The speed/width reported are that of the internal switch.\n"); 2627 2628 return; 2629 } /* ixgbe_get_slot_info */ 2630 2631 /************************************************************************ 2632 * ixgbe_enable_queue - MSI-X Interrupt Handlers and Tasklets 2633 ************************************************************************/ 2634 static inline void 2635 ixgbe_enable_queue(struct adapter *adapter, u32 vector) 2636 { 2637 struct ixgbe_hw *hw = &adapter->hw; 2638 struct ix_queue *que = &adapter->queues[vector]; 2639 u64 queue = 1ULL << vector; 2640 u32 mask; 2641 2642 mutex_enter(&que->dc_mtx); 2643 if (que->disabled_count > 0 && --que->disabled_count > 0) 2644 goto out; 2645 2646 if (hw->mac.type == ixgbe_mac_82598EB) { 2647 mask = (IXGBE_EIMS_RTX_QUEUE & queue); 2648 IXGBE_WRITE_REG(hw, IXGBE_EIMS, mask); 2649 } else { 2650 mask = (queue & 0xFFFFFFFF); 2651 if (mask) 2652 IXGBE_WRITE_REG(hw, IXGBE_EIMS_EX(0), mask); 2653 mask = (queue >> 32); 2654 if (mask) 2655 IXGBE_WRITE_REG(hw, IXGBE_EIMS_EX(1), mask); 2656 } 2657 out: 2658 mutex_exit(&que->dc_mtx); 2659 } /* ixgbe_enable_queue */ 2660 2661 /************************************************************************ 2662 * ixgbe_disable_queue_internal 2663 ************************************************************************/ 2664 static inline void 2665 ixgbe_disable_queue_internal(struct adapter *adapter, u32 vector, bool nestok) 2666 { 2667 struct ixgbe_hw *hw = &adapter->hw; 2668 struct ix_queue *que = &adapter->queues[vector]; 2669 u64 queue = 1ULL << vector; 2670 u32 mask; 2671 2672 mutex_enter(&que->dc_mtx); 2673 2674 if (que->disabled_count > 0) { 2675 if (nestok) 2676 que->disabled_count++; 2677 goto out; 2678 } 2679 que->disabled_count++; 2680 2681 if (hw->mac.type == ixgbe_mac_82598EB) { 2682 mask = (IXGBE_EIMS_RTX_QUEUE & queue); 2683 IXGBE_WRITE_REG(hw, IXGBE_EIMC, mask); 2684 } else { 2685 mask = (queue & 0xFFFFFFFF); 2686 if (mask) 2687 IXGBE_WRITE_REG(hw, IXGBE_EIMC_EX(0), mask); 2688 mask = (queue >> 32); 2689 if (mask) 2690 IXGBE_WRITE_REG(hw, IXGBE_EIMC_EX(1), mask); 2691 } 2692 out: 2693 mutex_exit(&que->dc_mtx); 2694 } /* ixgbe_disable_queue_internal */ 2695 2696 /************************************************************************ 2697 * ixgbe_disable_queue 2698 ************************************************************************/ 2699 static inline void 2700 ixgbe_disable_queue(struct adapter *adapter, u32 vector) 2701 { 2702 2703 ixgbe_disable_queue_internal(adapter, vector, true); 2704 } /* ixgbe_disable_queue */ 2705 2706 /************************************************************************ 2707 * ixgbe_sched_handle_que - schedule deferred packet processing 2708 ************************************************************************/ 2709 static inline void 2710 ixgbe_sched_handle_que(struct adapter *adapter, struct ix_queue *que) 2711 { 2712 2713 if (que->txrx_use_workqueue) { 2714 /* 2715 * adapter->que_wq is bound to each CPU instead of 2716 * each NIC queue to reduce workqueue kthread. As we 2717 * should consider about interrupt affinity in this 2718 * function, the workqueue kthread must be WQ_PERCPU. 2719 * If create WQ_PERCPU workqueue kthread for each NIC 2720 * queue, that number of created workqueue kthread is 2721 * (number of used NIC queue) * (number of CPUs) = 2722 * (number of CPUs) ^ 2 most often. 2723 * 2724 * The same NIC queue's interrupts are avoided by 2725 * masking the queue's interrupt. And different 2726 * NIC queue's interrupts use different struct work 2727 * (que->wq_cookie). So, "enqueued flag" to avoid 2728 * twice workqueue_enqueue() is not required . 2729 */ 2730 workqueue_enqueue(adapter->que_wq, &que->wq_cookie, curcpu()); 2731 } else { 2732 softint_schedule(que->que_si); 2733 } 2734 } 2735 2736 /************************************************************************ 2737 * ixgbe_msix_que - MSI-X Queue Interrupt Service routine 2738 ************************************************************************/ 2739 static int 2740 ixgbe_msix_que(void *arg) 2741 { 2742 struct ix_queue *que = arg; 2743 struct adapter *adapter = que->adapter; 2744 struct ifnet *ifp = adapter->ifp; 2745 struct tx_ring *txr = que->txr; 2746 struct rx_ring *rxr = que->rxr; 2747 bool more; 2748 u32 newitr = 0; 2749 2750 /* Protect against spurious interrupts */ 2751 if ((ifp->if_flags & IFF_RUNNING) == 0) 2752 return 0; 2753 2754 ixgbe_disable_queue(adapter, que->msix); 2755 ++que->irqs.ev_count; 2756 2757 /* 2758 * Don't change "que->txrx_use_workqueue" from this point to avoid 2759 * flip-flopping softint/workqueue mode in one deferred processing. 2760 */ 2761 que->txrx_use_workqueue = adapter->txrx_use_workqueue; 2762 2763 #ifdef __NetBSD__ 2764 /* Don't run ixgbe_rxeof in interrupt context */ 2765 more = true; 2766 #else 2767 more = ixgbe_rxeof(que); 2768 #endif 2769 2770 IXGBE_TX_LOCK(txr); 2771 ixgbe_txeof(txr); 2772 IXGBE_TX_UNLOCK(txr); 2773 2774 /* Do AIM now? */ 2775 2776 if (adapter->enable_aim == false) 2777 goto no_calc; 2778 /* 2779 * Do Adaptive Interrupt Moderation: 2780 * - Write out last calculated setting 2781 * - Calculate based on average size over 2782 * the last interval. 2783 */ 2784 if (que->eitr_setting) 2785 ixgbe_eitr_write(adapter, que->msix, que->eitr_setting); 2786 2787 que->eitr_setting = 0; 2788 2789 /* Idle, do nothing */ 2790 if ((txr->bytes == 0) && (rxr->bytes == 0)) 2791 goto no_calc; 2792 2793 if ((txr->bytes) && (txr->packets)) 2794 newitr = txr->bytes/txr->packets; 2795 if ((rxr->bytes) && (rxr->packets)) 2796 newitr = uimax(newitr, (rxr->bytes / rxr->packets)); 2797 newitr += 24; /* account for hardware frame, crc */ 2798 2799 /* set an upper boundary */ 2800 newitr = uimin(newitr, 3000); 2801 2802 /* Be nice to the mid range */ 2803 if ((newitr > 300) && (newitr < 1200)) 2804 newitr = (newitr / 3); 2805 else 2806 newitr = (newitr / 2); 2807 2808 /* 2809 * When RSC is used, ITR interval must be larger than RSC_DELAY. 2810 * Currently, we use 2us for RSC_DELAY. The minimum value is always 2811 * greater than 2us on 100M (and 10M?(not documented)), but it's not 2812 * on 1G and higher. 2813 */ 2814 if ((adapter->link_speed != IXGBE_LINK_SPEED_100_FULL) 2815 && (adapter->link_speed != IXGBE_LINK_SPEED_10_FULL)) { 2816 if (newitr < IXGBE_MIN_RSC_EITR_10G1G) 2817 newitr = IXGBE_MIN_RSC_EITR_10G1G; 2818 } 2819 2820 /* save for next interrupt */ 2821 que->eitr_setting = newitr; 2822 2823 /* Reset state */ 2824 txr->bytes = 0; 2825 txr->packets = 0; 2826 rxr->bytes = 0; 2827 rxr->packets = 0; 2828 2829 no_calc: 2830 if (more) 2831 ixgbe_sched_handle_que(adapter, que); 2832 else 2833 ixgbe_enable_queue(adapter, que->msix); 2834 2835 return 1; 2836 } /* ixgbe_msix_que */ 2837 2838 /************************************************************************ 2839 * ixgbe_media_status - Media Ioctl callback 2840 * 2841 * Called whenever the user queries the status of 2842 * the interface using ifconfig. 2843 ************************************************************************/ 2844 static void 2845 ixgbe_media_status(struct ifnet *ifp, struct ifmediareq *ifmr) 2846 { 2847 struct adapter *adapter = ifp->if_softc; 2848 struct ixgbe_hw *hw = &adapter->hw; 2849 int layer; 2850 2851 INIT_DEBUGOUT("ixgbe_media_status: begin"); 2852 ixgbe_update_link_status(adapter); 2853 2854 ifmr->ifm_status = IFM_AVALID; 2855 ifmr->ifm_active = IFM_ETHER; 2856 2857 if (adapter->link_active != LINK_STATE_UP) { 2858 ifmr->ifm_active |= IFM_NONE; 2859 return; 2860 } 2861 2862 ifmr->ifm_status |= IFM_ACTIVE; 2863 layer = adapter->phy_layer; 2864 2865 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_T || 2866 layer & IXGBE_PHYSICAL_LAYER_5GBASE_T || 2867 layer & IXGBE_PHYSICAL_LAYER_2500BASE_T || 2868 layer & IXGBE_PHYSICAL_LAYER_1000BASE_T || 2869 layer & IXGBE_PHYSICAL_LAYER_100BASE_TX || 2870 layer & IXGBE_PHYSICAL_LAYER_10BASE_T) 2871 switch (adapter->link_speed) { 2872 case IXGBE_LINK_SPEED_10GB_FULL: 2873 ifmr->ifm_active |= IFM_10G_T | IFM_FDX; 2874 break; 2875 case IXGBE_LINK_SPEED_5GB_FULL: 2876 ifmr->ifm_active |= IFM_5000_T | IFM_FDX; 2877 break; 2878 case IXGBE_LINK_SPEED_2_5GB_FULL: 2879 ifmr->ifm_active |= IFM_2500_T | IFM_FDX; 2880 break; 2881 case IXGBE_LINK_SPEED_1GB_FULL: 2882 ifmr->ifm_active |= IFM_1000_T | IFM_FDX; 2883 break; 2884 case IXGBE_LINK_SPEED_100_FULL: 2885 ifmr->ifm_active |= IFM_100_TX | IFM_FDX; 2886 break; 2887 case IXGBE_LINK_SPEED_10_FULL: 2888 ifmr->ifm_active |= IFM_10_T | IFM_FDX; 2889 break; 2890 } 2891 if (layer & IXGBE_PHYSICAL_LAYER_SFP_PLUS_CU || 2892 layer & IXGBE_PHYSICAL_LAYER_SFP_ACTIVE_DA) 2893 switch (adapter->link_speed) { 2894 case IXGBE_LINK_SPEED_10GB_FULL: 2895 ifmr->ifm_active |= IFM_10G_TWINAX | IFM_FDX; 2896 break; 2897 } 2898 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_LR) 2899 switch (adapter->link_speed) { 2900 case IXGBE_LINK_SPEED_10GB_FULL: 2901 ifmr->ifm_active |= IFM_10G_LR | IFM_FDX; 2902 break; 2903 case IXGBE_LINK_SPEED_1GB_FULL: 2904 ifmr->ifm_active |= IFM_1000_LX | IFM_FDX; 2905 break; 2906 } 2907 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_LRM) 2908 switch (adapter->link_speed) { 2909 case IXGBE_LINK_SPEED_10GB_FULL: 2910 ifmr->ifm_active |= IFM_10G_LRM | IFM_FDX; 2911 break; 2912 case IXGBE_LINK_SPEED_1GB_FULL: 2913 ifmr->ifm_active |= IFM_1000_LX | IFM_FDX; 2914 break; 2915 } 2916 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_SR || 2917 layer & IXGBE_PHYSICAL_LAYER_1000BASE_SX) 2918 switch (adapter->link_speed) { 2919 case IXGBE_LINK_SPEED_10GB_FULL: 2920 ifmr->ifm_active |= IFM_10G_SR | IFM_FDX; 2921 break; 2922 case IXGBE_LINK_SPEED_1GB_FULL: 2923 ifmr->ifm_active |= IFM_1000_SX | IFM_FDX; 2924 break; 2925 } 2926 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_CX4) 2927 switch (adapter->link_speed) { 2928 case IXGBE_LINK_SPEED_10GB_FULL: 2929 ifmr->ifm_active |= IFM_10G_CX4 | IFM_FDX; 2930 break; 2931 } 2932 /* 2933 * XXX: These need to use the proper media types once 2934 * they're added. 2935 */ 2936 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KR) 2937 switch (adapter->link_speed) { 2938 case IXGBE_LINK_SPEED_10GB_FULL: 2939 ifmr->ifm_active |= IFM_10G_KR | IFM_FDX; 2940 break; 2941 case IXGBE_LINK_SPEED_2_5GB_FULL: 2942 ifmr->ifm_active |= IFM_2500_KX | IFM_FDX; 2943 break; 2944 case IXGBE_LINK_SPEED_1GB_FULL: 2945 ifmr->ifm_active |= IFM_1000_KX | IFM_FDX; 2946 break; 2947 } 2948 else if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KX4 || 2949 layer & IXGBE_PHYSICAL_LAYER_2500BASE_KX || 2950 layer & IXGBE_PHYSICAL_LAYER_1000BASE_KX) 2951 switch (adapter->link_speed) { 2952 case IXGBE_LINK_SPEED_10GB_FULL: 2953 ifmr->ifm_active |= IFM_10G_KX4 | IFM_FDX; 2954 break; 2955 case IXGBE_LINK_SPEED_2_5GB_FULL: 2956 ifmr->ifm_active |= IFM_2500_KX | IFM_FDX; 2957 break; 2958 case IXGBE_LINK_SPEED_1GB_FULL: 2959 ifmr->ifm_active |= IFM_1000_KX | IFM_FDX; 2960 break; 2961 } 2962 2963 /* If nothing is recognized... */ 2964 #if 0 2965 if (IFM_SUBTYPE(ifmr->ifm_active) == 0) 2966 ifmr->ifm_active |= IFM_UNKNOWN; 2967 #endif 2968 2969 ifp->if_baudrate = ifmedia_baudrate(ifmr->ifm_active); 2970 2971 /* Display current flow control setting used on link */ 2972 if (hw->fc.current_mode == ixgbe_fc_rx_pause || 2973 hw->fc.current_mode == ixgbe_fc_full) 2974 ifmr->ifm_active |= IFM_ETH_RXPAUSE; 2975 if (hw->fc.current_mode == ixgbe_fc_tx_pause || 2976 hw->fc.current_mode == ixgbe_fc_full) 2977 ifmr->ifm_active |= IFM_ETH_TXPAUSE; 2978 2979 return; 2980 } /* ixgbe_media_status */ 2981 2982 /************************************************************************ 2983 * ixgbe_media_change - Media Ioctl callback 2984 * 2985 * Called when the user changes speed/duplex using 2986 * media/mediopt option with ifconfig. 2987 ************************************************************************/ 2988 static int 2989 ixgbe_media_change(struct ifnet *ifp) 2990 { 2991 struct adapter *adapter = ifp->if_softc; 2992 struct ifmedia *ifm = &adapter->media; 2993 struct ixgbe_hw *hw = &adapter->hw; 2994 ixgbe_link_speed speed = 0; 2995 ixgbe_link_speed link_caps = 0; 2996 bool negotiate = false; 2997 s32 err = IXGBE_NOT_IMPLEMENTED; 2998 2999 INIT_DEBUGOUT("ixgbe_media_change: begin"); 3000 3001 if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER) 3002 return (EINVAL); 3003 3004 if (hw->phy.media_type == ixgbe_media_type_backplane) 3005 return (EPERM); 3006 3007 /* 3008 * We don't actually need to check against the supported 3009 * media types of the adapter; ifmedia will take care of 3010 * that for us. 3011 */ 3012 switch (IFM_SUBTYPE(ifm->ifm_media)) { 3013 case IFM_AUTO: 3014 err = hw->mac.ops.get_link_capabilities(hw, &link_caps, 3015 &negotiate); 3016 if (err != IXGBE_SUCCESS) { 3017 device_printf(adapter->dev, "Unable to determine " 3018 "supported advertise speeds\n"); 3019 return (ENODEV); 3020 } 3021 speed |= link_caps; 3022 break; 3023 case IFM_10G_T: 3024 case IFM_10G_LRM: 3025 case IFM_10G_LR: 3026 case IFM_10G_TWINAX: 3027 case IFM_10G_SR: 3028 case IFM_10G_CX4: 3029 case IFM_10G_KR: 3030 case IFM_10G_KX4: 3031 speed |= IXGBE_LINK_SPEED_10GB_FULL; 3032 break; 3033 case IFM_5000_T: 3034 speed |= IXGBE_LINK_SPEED_5GB_FULL; 3035 break; 3036 case IFM_2500_T: 3037 case IFM_2500_KX: 3038 speed |= IXGBE_LINK_SPEED_2_5GB_FULL; 3039 break; 3040 case IFM_1000_T: 3041 case IFM_1000_LX: 3042 case IFM_1000_SX: 3043 case IFM_1000_KX: 3044 speed |= IXGBE_LINK_SPEED_1GB_FULL; 3045 break; 3046 case IFM_100_TX: 3047 speed |= IXGBE_LINK_SPEED_100_FULL; 3048 break; 3049 case IFM_10_T: 3050 speed |= IXGBE_LINK_SPEED_10_FULL; 3051 break; 3052 case IFM_NONE: 3053 break; 3054 default: 3055 goto invalid; 3056 } 3057 3058 hw->mac.autotry_restart = TRUE; 3059 hw->mac.ops.setup_link(hw, speed, TRUE); 3060 adapter->advertise = 0; 3061 if (IFM_SUBTYPE(ifm->ifm_media) != IFM_AUTO) { 3062 if ((speed & IXGBE_LINK_SPEED_10GB_FULL) != 0) 3063 adapter->advertise |= 1 << 2; 3064 if ((speed & IXGBE_LINK_SPEED_1GB_FULL) != 0) 3065 adapter->advertise |= 1 << 1; 3066 if ((speed & IXGBE_LINK_SPEED_100_FULL) != 0) 3067 adapter->advertise |= 1 << 0; 3068 if ((speed & IXGBE_LINK_SPEED_10_FULL) != 0) 3069 adapter->advertise |= 1 << 3; 3070 if ((speed & IXGBE_LINK_SPEED_2_5GB_FULL) != 0) 3071 adapter->advertise |= 1 << 4; 3072 if ((speed & IXGBE_LINK_SPEED_5GB_FULL) != 0) 3073 adapter->advertise |= 1 << 5; 3074 } 3075 3076 return (0); 3077 3078 invalid: 3079 device_printf(adapter->dev, "Invalid media type!\n"); 3080 3081 return (EINVAL); 3082 } /* ixgbe_media_change */ 3083 3084 /************************************************************************ 3085 * ixgbe_msix_admin - Link status change ISR (MSI/MSI-X) 3086 ************************************************************************/ 3087 static int 3088 ixgbe_msix_admin(void *arg) 3089 { 3090 struct adapter *adapter = arg; 3091 struct ixgbe_hw *hw = &adapter->hw; 3092 u32 eicr, eicr_mask; 3093 u32 eims_orig; 3094 u32 eims_disable = 0; 3095 u32 task_requests = 0; 3096 s32 retval; 3097 3098 ++adapter->admin_irqev.ev_count; 3099 3100 eims_orig = IXGBE_READ_REG(hw, IXGBE_EIMS); 3101 /* Pause other interrupts */ 3102 IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_MSIX_OTHER_CLEAR_MASK); 3103 3104 /* 3105 * First get the cause. 3106 * 3107 * The specifications of 82598, 82599, X540 and X550 say EICS register 3108 * is write only. However, Linux says it is a workaround for silicon 3109 * errata to read EICS instead of EICR to get interrupt cause. 3110 * At least, reading EICR clears lower 16bits of EIMS on 82598. 3111 */ 3112 eicr = IXGBE_READ_REG(hw, IXGBE_EICS); 3113 /* Be sure the queue bits are not cleared */ 3114 eicr &= ~IXGBE_EICR_RTX_QUEUE; 3115 /* Clear all OTHER interrupts with write */ 3116 IXGBE_WRITE_REG(hw, IXGBE_EICR, eicr); 3117 3118 /* Link status change */ 3119 if (eicr & IXGBE_EICR_LSC) { 3120 task_requests |= IXGBE_REQUEST_TASK_LSC; 3121 eims_disable |= IXGBE_EIMS_LSC; 3122 } 3123 3124 if (ixgbe_is_sfp(hw)) { 3125 /* Pluggable optics-related interrupt */ 3126 if (hw->mac.type >= ixgbe_mac_X540) 3127 eicr_mask = IXGBE_EICR_GPI_SDP0_X540; 3128 else 3129 eicr_mask = IXGBE_EICR_GPI_SDP2_BY_MAC(hw); 3130 3131 /* 3132 * An interrupt might not arrive when a module is inserted. 3133 * When an link status change interrupt occurred and the driver 3134 * still regard SFP as unplugged, issue the module softint 3135 * and then issue LSC interrupt. 3136 */ 3137 if ((eicr & eicr_mask) 3138 || ((hw->phy.sfp_type == ixgbe_sfp_type_not_present) 3139 && (eicr & IXGBE_EICR_LSC))) { 3140 task_requests |= IXGBE_REQUEST_TASK_MOD; 3141 eims_disable |= IXGBE_EIMS_LSC; 3142 } 3143 3144 if ((hw->mac.type == ixgbe_mac_82599EB) && 3145 (eicr & IXGBE_EICR_GPI_SDP1_BY_MAC(hw))) { 3146 task_requests |= IXGBE_REQUEST_TASK_MSF; 3147 eims_disable |= IXGBE_EIMS_GPI_SDP1_BY_MAC(hw); 3148 } 3149 } 3150 3151 if (adapter->hw.mac.type != ixgbe_mac_82598EB) { 3152 if ((adapter->feat_en & IXGBE_FEATURE_FDIR) && 3153 (eicr & IXGBE_EICR_FLOW_DIR)) { 3154 if (!atomic_cas_uint(&adapter->fdir_reinit, 0, 1)) { 3155 task_requests |= IXGBE_REQUEST_TASK_FDIR; 3156 /* Disable the interrupt */ 3157 eims_disable |= IXGBE_EIMS_FLOW_DIR; 3158 } 3159 } 3160 3161 if (eicr & IXGBE_EICR_ECC) { 3162 device_printf(adapter->dev, 3163 "CRITICAL: ECC ERROR!! Please Reboot!!\n"); 3164 /* Disable interrupt to prevent log spam */ 3165 eims_disable |= IXGBE_EICR_ECC; 3166 } 3167 3168 /* Check for over temp condition */ 3169 if (adapter->feat_en & IXGBE_FEATURE_TEMP_SENSOR) { 3170 switch (adapter->hw.mac.type) { 3171 case ixgbe_mac_X550EM_a: 3172 if (!(eicr & IXGBE_EICR_GPI_SDP0_X550EM_a)) 3173 break; 3174 /* Disable interrupt to prevent log spam */ 3175 eims_disable |= IXGBE_EICR_GPI_SDP0_X550EM_a; 3176 3177 retval = hw->phy.ops.check_overtemp(hw); 3178 if (retval != IXGBE_ERR_OVERTEMP) 3179 break; 3180 device_printf(adapter->dev, "CRITICAL: OVER TEMP!! PHY IS SHUT DOWN!!\n"); 3181 device_printf(adapter->dev, "System shutdown required!\n"); 3182 break; 3183 default: 3184 if (!(eicr & IXGBE_EICR_TS)) 3185 break; 3186 /* Disable interrupt to prevent log spam */ 3187 eims_disable |= IXGBE_EIMS_TS; 3188 3189 retval = hw->phy.ops.check_overtemp(hw); 3190 if (retval != IXGBE_ERR_OVERTEMP) 3191 break; 3192 device_printf(adapter->dev, "CRITICAL: OVER TEMP!! PHY IS SHUT DOWN!!\n"); 3193 device_printf(adapter->dev, "System shutdown required!\n"); 3194 break; 3195 } 3196 } 3197 3198 /* Check for VF message */ 3199 if ((adapter->feat_en & IXGBE_FEATURE_SRIOV) && 3200 (eicr & IXGBE_EICR_MAILBOX)) { 3201 task_requests |= IXGBE_REQUEST_TASK_MBX; 3202 eims_disable |= IXGBE_EIMS_MAILBOX; 3203 } 3204 } 3205 3206 /* Check for fan failure */ 3207 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) { 3208 retval = ixgbe_check_fan_failure(adapter, eicr, true); 3209 if (retval == IXGBE_ERR_FAN_FAILURE) { 3210 /* Disable interrupt to prevent log spam */ 3211 eims_disable |= IXGBE_EIMS_GPI_SDP1_BY_MAC(hw); 3212 } 3213 } 3214 3215 /* External PHY interrupt */ 3216 if ((hw->phy.type == ixgbe_phy_x550em_ext_t) && 3217 (eicr & IXGBE_EICR_GPI_SDP0_X540)) { 3218 task_requests |= IXGBE_REQUEST_TASK_PHY; 3219 eims_disable |= IXGBE_EICR_GPI_SDP0_X540; 3220 } 3221 3222 if (task_requests != 0) { 3223 mutex_enter(&adapter->admin_mtx); 3224 adapter->task_requests |= task_requests; 3225 ixgbe_schedule_admin_tasklet(adapter); 3226 mutex_exit(&adapter->admin_mtx); 3227 } 3228 3229 /* Re-enable some OTHER interrupts */ 3230 IXGBE_WRITE_REG(hw, IXGBE_EIMS, eims_orig & ~eims_disable); 3231 3232 return 1; 3233 } /* ixgbe_msix_admin */ 3234 3235 static void 3236 ixgbe_eitr_write(struct adapter *adapter, uint32_t index, uint32_t itr) 3237 { 3238 3239 if (adapter->hw.mac.type == ixgbe_mac_82598EB) 3240 itr |= itr << 16; 3241 else 3242 itr |= IXGBE_EITR_CNT_WDIS; 3243 3244 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EITR(index), itr); 3245 } 3246 3247 3248 /************************************************************************ 3249 * ixgbe_sysctl_interrupt_rate_handler 3250 ************************************************************************/ 3251 static int 3252 ixgbe_sysctl_interrupt_rate_handler(SYSCTLFN_ARGS) 3253 { 3254 struct sysctlnode node = *rnode; 3255 struct ix_queue *que = (struct ix_queue *)node.sysctl_data; 3256 struct adapter *adapter; 3257 uint32_t reg, usec, rate; 3258 int error; 3259 3260 if (que == NULL) 3261 return 0; 3262 3263 adapter = que->adapter; 3264 if (ixgbe_fw_recovery_mode_swflag(adapter)) 3265 return (EPERM); 3266 3267 reg = IXGBE_READ_REG(&adapter->hw, IXGBE_EITR(que->msix)); 3268 usec = ((reg & 0x0FF8) >> 3); 3269 if (usec > 0) 3270 rate = 500000 / usec; 3271 else 3272 rate = 0; 3273 node.sysctl_data = &rate; 3274 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 3275 if (error || newp == NULL) 3276 return error; 3277 reg &= ~0xfff; /* default, no limitation */ 3278 if (rate > 0 && rate < 500000) { 3279 if (rate < 1000) 3280 rate = 1000; 3281 reg |= ((4000000 / rate) & 0xff8); 3282 /* 3283 * When RSC is used, ITR interval must be larger than 3284 * RSC_DELAY. Currently, we use 2us for RSC_DELAY. 3285 * The minimum value is always greater than 2us on 100M 3286 * (and 10M?(not documented)), but it's not on 1G and higher. 3287 */ 3288 if ((adapter->link_speed != IXGBE_LINK_SPEED_100_FULL) 3289 && (adapter->link_speed != IXGBE_LINK_SPEED_10_FULL)) { 3290 if ((adapter->num_queues > 1) 3291 && (reg < IXGBE_MIN_RSC_EITR_10G1G)) 3292 return EINVAL; 3293 } 3294 ixgbe_max_interrupt_rate = rate; 3295 } else 3296 ixgbe_max_interrupt_rate = 0; 3297 ixgbe_eitr_write(adapter, que->msix, reg); 3298 3299 return (0); 3300 } /* ixgbe_sysctl_interrupt_rate_handler */ 3301 3302 const struct sysctlnode * 3303 ixgbe_sysctl_instance(struct adapter *adapter) 3304 { 3305 const char *dvname; 3306 struct sysctllog **log; 3307 int rc; 3308 const struct sysctlnode *rnode; 3309 3310 if (adapter->sysctltop != NULL) 3311 return adapter->sysctltop; 3312 3313 log = &adapter->sysctllog; 3314 dvname = device_xname(adapter->dev); 3315 3316 if ((rc = sysctl_createv(log, 0, NULL, &rnode, 3317 0, CTLTYPE_NODE, dvname, 3318 SYSCTL_DESCR("ixgbe information and settings"), 3319 NULL, 0, NULL, 0, CTL_HW, CTL_CREATE, CTL_EOL)) != 0) 3320 goto err; 3321 3322 return rnode; 3323 err: 3324 device_printf(adapter->dev, 3325 "%s: sysctl_createv failed, rc = %d\n", __func__, rc); 3326 return NULL; 3327 } 3328 3329 /************************************************************************ 3330 * ixgbe_add_device_sysctls 3331 ************************************************************************/ 3332 static void 3333 ixgbe_add_device_sysctls(struct adapter *adapter) 3334 { 3335 device_t dev = adapter->dev; 3336 struct ixgbe_hw *hw = &adapter->hw; 3337 struct sysctllog **log; 3338 const struct sysctlnode *rnode, *cnode; 3339 3340 log = &adapter->sysctllog; 3341 3342 if ((rnode = ixgbe_sysctl_instance(adapter)) == NULL) { 3343 aprint_error_dev(dev, "could not create sysctl root\n"); 3344 return; 3345 } 3346 3347 if (sysctl_createv(log, 0, &rnode, &cnode, 3348 CTLFLAG_READWRITE, CTLTYPE_INT, 3349 "debug", SYSCTL_DESCR("Debug Info"), 3350 ixgbe_sysctl_debug, 0, (void *)adapter, 0, CTL_CREATE, CTL_EOL) != 0) 3351 aprint_error_dev(dev, "could not create sysctl\n"); 3352 3353 if (sysctl_createv(log, 0, &rnode, &cnode, 3354 CTLFLAG_READONLY, CTLTYPE_INT, 3355 "num_rx_desc", SYSCTL_DESCR("Number of rx descriptors"), 3356 NULL, 0, &adapter->num_rx_desc, 0, CTL_CREATE, CTL_EOL) != 0) 3357 aprint_error_dev(dev, "could not create sysctl\n"); 3358 3359 if (sysctl_createv(log, 0, &rnode, &cnode, 3360 CTLFLAG_READONLY, CTLTYPE_INT, 3361 "num_queues", SYSCTL_DESCR("Number of queues"), 3362 NULL, 0, &adapter->num_queues, 0, CTL_CREATE, CTL_EOL) != 0) 3363 aprint_error_dev(dev, "could not create sysctl\n"); 3364 3365 /* Sysctls for all devices */ 3366 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3367 CTLTYPE_INT, "fc", SYSCTL_DESCR(IXGBE_SYSCTL_DESC_SET_FC), 3368 ixgbe_sysctl_flowcntl, 0, (void *)adapter, 0, CTL_CREATE, 3369 CTL_EOL) != 0) 3370 aprint_error_dev(dev, "could not create sysctl\n"); 3371 3372 adapter->enable_aim = ixgbe_enable_aim; 3373 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3374 CTLTYPE_BOOL, "enable_aim", SYSCTL_DESCR("Interrupt Moderation"), 3375 NULL, 0, &adapter->enable_aim, 0, CTL_CREATE, CTL_EOL) != 0) 3376 aprint_error_dev(dev, "could not create sysctl\n"); 3377 3378 if (sysctl_createv(log, 0, &rnode, &cnode, 3379 CTLFLAG_READWRITE, CTLTYPE_INT, 3380 "advertise_speed", SYSCTL_DESCR(IXGBE_SYSCTL_DESC_ADV_SPEED), 3381 ixgbe_sysctl_advertise, 0, (void *)adapter, 0, CTL_CREATE, 3382 CTL_EOL) != 0) 3383 aprint_error_dev(dev, "could not create sysctl\n"); 3384 3385 /* 3386 * If each "que->txrx_use_workqueue" is changed in sysctl handler, 3387 * it causesflip-flopping softint/workqueue mode in one deferred 3388 * processing. Therefore, preempt_disable()/preempt_enable() are 3389 * required in ixgbe_sched_handle_que() to avoid 3390 * KASSERT(ixgbe_sched_handle_que()) in softint_schedule(). 3391 * I think changing "que->txrx_use_workqueue" in interrupt handler 3392 * is lighter than doing preempt_disable()/preempt_enable() in every 3393 * ixgbe_sched_handle_que(). 3394 */ 3395 adapter->txrx_use_workqueue = ixgbe_txrx_workqueue; 3396 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3397 CTLTYPE_BOOL, "txrx_workqueue", SYSCTL_DESCR("Use workqueue for packet processing"), 3398 NULL, 0, &adapter->txrx_use_workqueue, 0, CTL_CREATE, CTL_EOL) != 0) 3399 aprint_error_dev(dev, "could not create sysctl\n"); 3400 3401 #ifdef IXGBE_DEBUG 3402 /* testing sysctls (for all devices) */ 3403 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3404 CTLTYPE_INT, "power_state", SYSCTL_DESCR("PCI Power State"), 3405 ixgbe_sysctl_power_state, 0, (void *)adapter, 0, CTL_CREATE, 3406 CTL_EOL) != 0) 3407 aprint_error_dev(dev, "could not create sysctl\n"); 3408 3409 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READONLY, 3410 CTLTYPE_STRING, "print_rss_config", 3411 SYSCTL_DESCR("Prints RSS Configuration"), 3412 ixgbe_sysctl_print_rss_config, 0, (void *)adapter, 0, CTL_CREATE, 3413 CTL_EOL) != 0) 3414 aprint_error_dev(dev, "could not create sysctl\n"); 3415 #endif 3416 /* for X550 series devices */ 3417 if (hw->mac.type >= ixgbe_mac_X550) 3418 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3419 CTLTYPE_INT, "dmac", SYSCTL_DESCR("DMA Coalesce"), 3420 ixgbe_sysctl_dmac, 0, (void *)adapter, 0, CTL_CREATE, 3421 CTL_EOL) != 0) 3422 aprint_error_dev(dev, "could not create sysctl\n"); 3423 3424 /* for WoL-capable devices */ 3425 if (adapter->wol_support) { 3426 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3427 CTLTYPE_BOOL, "wol_enable", 3428 SYSCTL_DESCR("Enable/Disable Wake on LAN"), 3429 ixgbe_sysctl_wol_enable, 0, (void *)adapter, 0, CTL_CREATE, 3430 CTL_EOL) != 0) 3431 aprint_error_dev(dev, "could not create sysctl\n"); 3432 3433 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3434 CTLTYPE_INT, "wufc", 3435 SYSCTL_DESCR("Enable/Disable Wake Up Filters"), 3436 ixgbe_sysctl_wufc, 0, (void *)adapter, 0, CTL_CREATE, 3437 CTL_EOL) != 0) 3438 aprint_error_dev(dev, "could not create sysctl\n"); 3439 } 3440 3441 /* for X552/X557-AT devices */ 3442 if (hw->device_id == IXGBE_DEV_ID_X550EM_X_10G_T) { 3443 const struct sysctlnode *phy_node; 3444 3445 if (sysctl_createv(log, 0, &rnode, &phy_node, 0, CTLTYPE_NODE, 3446 "phy", SYSCTL_DESCR("External PHY sysctls"), 3447 NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL) != 0) { 3448 aprint_error_dev(dev, "could not create sysctl\n"); 3449 return; 3450 } 3451 3452 if (sysctl_createv(log, 0, &phy_node, &cnode, CTLFLAG_READONLY, 3453 CTLTYPE_INT, "temp", 3454 SYSCTL_DESCR("Current External PHY Temperature (Celsius)"), 3455 ixgbe_sysctl_phy_temp, 0, (void *)adapter, 0, CTL_CREATE, 3456 CTL_EOL) != 0) 3457 aprint_error_dev(dev, "could not create sysctl\n"); 3458 3459 if (sysctl_createv(log, 0, &phy_node, &cnode, CTLFLAG_READONLY, 3460 CTLTYPE_INT, "overtemp_occurred", 3461 SYSCTL_DESCR("External PHY High Temperature Event Occurred"), 3462 ixgbe_sysctl_phy_overtemp_occurred, 0, (void *)adapter, 0, 3463 CTL_CREATE, CTL_EOL) != 0) 3464 aprint_error_dev(dev, "could not create sysctl\n"); 3465 } 3466 3467 if ((hw->mac.type == ixgbe_mac_X550EM_a) 3468 && (hw->phy.type == ixgbe_phy_fw)) 3469 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3470 CTLTYPE_BOOL, "force_10_100_autonego", 3471 SYSCTL_DESCR("Force autonego on 10M and 100M"), 3472 NULL, 0, &hw->phy.force_10_100_autonego, 0, 3473 CTL_CREATE, CTL_EOL) != 0) 3474 aprint_error_dev(dev, "could not create sysctl\n"); 3475 3476 if (adapter->feat_cap & IXGBE_FEATURE_EEE) { 3477 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3478 CTLTYPE_INT, "eee_state", 3479 SYSCTL_DESCR("EEE Power Save State"), 3480 ixgbe_sysctl_eee_state, 0, (void *)adapter, 0, CTL_CREATE, 3481 CTL_EOL) != 0) 3482 aprint_error_dev(dev, "could not create sysctl\n"); 3483 } 3484 } /* ixgbe_add_device_sysctls */ 3485 3486 /************************************************************************ 3487 * ixgbe_allocate_pci_resources 3488 ************************************************************************/ 3489 static int 3490 ixgbe_allocate_pci_resources(struct adapter *adapter, 3491 const struct pci_attach_args *pa) 3492 { 3493 pcireg_t memtype, csr; 3494 device_t dev = adapter->dev; 3495 bus_addr_t addr; 3496 int flags; 3497 3498 memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, PCI_BAR(0)); 3499 switch (memtype) { 3500 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT: 3501 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT: 3502 adapter->osdep.mem_bus_space_tag = pa->pa_memt; 3503 if (pci_mapreg_info(pa->pa_pc, pa->pa_tag, PCI_BAR(0), 3504 memtype, &addr, &adapter->osdep.mem_size, &flags) != 0) 3505 goto map_err; 3506 if ((flags & BUS_SPACE_MAP_PREFETCHABLE) != 0) { 3507 aprint_normal_dev(dev, "clearing prefetchable bit\n"); 3508 flags &= ~BUS_SPACE_MAP_PREFETCHABLE; 3509 } 3510 if (bus_space_map(adapter->osdep.mem_bus_space_tag, addr, 3511 adapter->osdep.mem_size, flags, 3512 &adapter->osdep.mem_bus_space_handle) != 0) { 3513 map_err: 3514 adapter->osdep.mem_size = 0; 3515 aprint_error_dev(dev, "unable to map BAR0\n"); 3516 return ENXIO; 3517 } 3518 /* 3519 * Enable address decoding for memory range in case BIOS or 3520 * UEFI don't set it. 3521 */ 3522 csr = pci_conf_read(pa->pa_pc, pa->pa_tag, 3523 PCI_COMMAND_STATUS_REG); 3524 csr |= PCI_COMMAND_MEM_ENABLE; 3525 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 3526 csr); 3527 break; 3528 default: 3529 aprint_error_dev(dev, "unexpected type on BAR0\n"); 3530 return ENXIO; 3531 } 3532 3533 return (0); 3534 } /* ixgbe_allocate_pci_resources */ 3535 3536 static void 3537 ixgbe_free_deferred_handlers(struct adapter *adapter) 3538 { 3539 struct ix_queue *que = adapter->queues; 3540 struct tx_ring *txr = adapter->tx_rings; 3541 int i; 3542 3543 for (i = 0; i < adapter->num_queues; i++, que++, txr++) { 3544 if (!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX)) { 3545 if (txr->txr_si != NULL) 3546 softint_disestablish(txr->txr_si); 3547 } 3548 if (que->que_si != NULL) 3549 softint_disestablish(que->que_si); 3550 } 3551 if (adapter->txr_wq != NULL) 3552 workqueue_destroy(adapter->txr_wq); 3553 if (adapter->txr_wq_enqueued != NULL) 3554 percpu_free(adapter->txr_wq_enqueued, sizeof(u_int)); 3555 if (adapter->que_wq != NULL) 3556 workqueue_destroy(adapter->que_wq); 3557 3558 if (adapter->admin_wq != NULL) { 3559 workqueue_destroy(adapter->admin_wq); 3560 adapter->admin_wq = NULL; 3561 } 3562 if (adapter->timer_wq != NULL) { 3563 workqueue_destroy(adapter->timer_wq); 3564 adapter->timer_wq = NULL; 3565 } 3566 if (adapter->recovery_mode_timer_wq != NULL) { 3567 /* 3568 * ixgbe_ifstop() doesn't call the workqueue_wait() for 3569 * the recovery_mode_timer workqueue, so call it here. 3570 */ 3571 workqueue_wait(adapter->recovery_mode_timer_wq, 3572 &adapter->recovery_mode_timer_wc); 3573 atomic_store_relaxed(&adapter->recovery_mode_timer_pending, 0); 3574 workqueue_destroy(adapter->recovery_mode_timer_wq); 3575 adapter->recovery_mode_timer_wq = NULL; 3576 } 3577 } /* ixgbe_free_deferred_handlers */ 3578 3579 /************************************************************************ 3580 * ixgbe_detach - Device removal routine 3581 * 3582 * Called when the driver is being removed. 3583 * Stops the adapter and deallocates all the resources 3584 * that were allocated for driver operation. 3585 * 3586 * return 0 on success, positive on failure 3587 ************************************************************************/ 3588 static int 3589 ixgbe_detach(device_t dev, int flags) 3590 { 3591 struct adapter *adapter = device_private(dev); 3592 struct rx_ring *rxr = adapter->rx_rings; 3593 struct tx_ring *txr = adapter->tx_rings; 3594 struct ixgbe_hw *hw = &adapter->hw; 3595 struct ixgbe_hw_stats *stats = &adapter->stats.pf; 3596 u32 ctrl_ext; 3597 int i; 3598 3599 INIT_DEBUGOUT("ixgbe_detach: begin"); 3600 if (adapter->osdep.attached == false) 3601 return 0; 3602 3603 if (ixgbe_pci_iov_detach(dev) != 0) { 3604 device_printf(dev, "SR-IOV in use; detach first.\n"); 3605 return (EBUSY); 3606 } 3607 3608 #if NVLAN > 0 3609 /* Make sure VLANs are not using driver */ 3610 if (!VLAN_ATTACHED(&adapter->osdep.ec)) 3611 ; /* nothing to do: no VLANs */ 3612 else if ((flags & (DETACH_SHUTDOWN | DETACH_FORCE)) != 0) 3613 vlan_ifdetach(adapter->ifp); 3614 else { 3615 aprint_error_dev(dev, "VLANs in use, detach first\n"); 3616 return (EBUSY); 3617 } 3618 #endif 3619 3620 adapter->osdep.detaching = true; 3621 /* 3622 * Stop the interface. ixgbe_setup_low_power_mode() calls 3623 * ixgbe_ifstop(), so it's not required to call ixgbe_ifstop() 3624 * directly. 3625 */ 3626 ixgbe_setup_low_power_mode(adapter); 3627 3628 callout_halt(&adapter->timer, NULL); 3629 if (adapter->feat_en & IXGBE_FEATURE_RECOVERY_MODE) 3630 callout_halt(&adapter->recovery_mode_timer, NULL); 3631 3632 workqueue_wait(adapter->admin_wq, &adapter->admin_wc); 3633 atomic_store_relaxed(&adapter->admin_pending, 0); 3634 workqueue_wait(adapter->timer_wq, &adapter->timer_wc); 3635 atomic_store_relaxed(&adapter->timer_pending, 0); 3636 3637 pmf_device_deregister(dev); 3638 3639 ether_ifdetach(adapter->ifp); 3640 3641 ixgbe_free_deferred_handlers(adapter); 3642 3643 /* let hardware know driver is unloading */ 3644 ctrl_ext = IXGBE_READ_REG(&adapter->hw, IXGBE_CTRL_EXT); 3645 ctrl_ext &= ~IXGBE_CTRL_EXT_DRV_LOAD; 3646 IXGBE_WRITE_REG(&adapter->hw, IXGBE_CTRL_EXT, ctrl_ext); 3647 3648 if (adapter->feat_en & IXGBE_FEATURE_NETMAP) 3649 netmap_detach(adapter->ifp); 3650 3651 ixgbe_free_pci_resources(adapter); 3652 #if 0 /* XXX the NetBSD port is probably missing something here */ 3653 bus_generic_detach(dev); 3654 #endif 3655 if_detach(adapter->ifp); 3656 ifmedia_fini(&adapter->media); 3657 if_percpuq_destroy(adapter->ipq); 3658 3659 sysctl_teardown(&adapter->sysctllog); 3660 evcnt_detach(&adapter->efbig_tx_dma_setup); 3661 evcnt_detach(&adapter->mbuf_defrag_failed); 3662 evcnt_detach(&adapter->efbig2_tx_dma_setup); 3663 evcnt_detach(&adapter->einval_tx_dma_setup); 3664 evcnt_detach(&adapter->other_tx_dma_setup); 3665 evcnt_detach(&adapter->eagain_tx_dma_setup); 3666 evcnt_detach(&adapter->enomem_tx_dma_setup); 3667 evcnt_detach(&adapter->watchdog_events); 3668 evcnt_detach(&adapter->tso_err); 3669 evcnt_detach(&adapter->admin_irqev); 3670 evcnt_detach(&adapter->link_workev); 3671 evcnt_detach(&adapter->mod_workev); 3672 evcnt_detach(&adapter->msf_workev); 3673 evcnt_detach(&adapter->phy_workev); 3674 3675 for (i = 0; i < IXGBE_TC_COUNTER_NUM; i++) { 3676 if (i < __arraycount(stats->mpc)) { 3677 evcnt_detach(&stats->mpc[i]); 3678 if (hw->mac.type == ixgbe_mac_82598EB) 3679 evcnt_detach(&stats->rnbc[i]); 3680 } 3681 if (i < __arraycount(stats->pxontxc)) { 3682 evcnt_detach(&stats->pxontxc[i]); 3683 evcnt_detach(&stats->pxonrxc[i]); 3684 evcnt_detach(&stats->pxofftxc[i]); 3685 evcnt_detach(&stats->pxoffrxc[i]); 3686 if (hw->mac.type >= ixgbe_mac_82599EB) 3687 evcnt_detach(&stats->pxon2offc[i]); 3688 } 3689 } 3690 3691 txr = adapter->tx_rings; 3692 for (i = 0; i < adapter->num_queues; i++, rxr++, txr++) { 3693 evcnt_detach(&adapter->queues[i].irqs); 3694 evcnt_detach(&adapter->queues[i].handleq); 3695 evcnt_detach(&adapter->queues[i].req); 3696 evcnt_detach(&txr->no_desc_avail); 3697 evcnt_detach(&txr->total_packets); 3698 evcnt_detach(&txr->tso_tx); 3699 #ifndef IXGBE_LEGACY_TX 3700 evcnt_detach(&txr->pcq_drops); 3701 #endif 3702 3703 if (i < __arraycount(stats->qprc)) { 3704 evcnt_detach(&stats->qprc[i]); 3705 evcnt_detach(&stats->qptc[i]); 3706 evcnt_detach(&stats->qbrc[i]); 3707 evcnt_detach(&stats->qbtc[i]); 3708 if (hw->mac.type >= ixgbe_mac_82599EB) 3709 evcnt_detach(&stats->qprdc[i]); 3710 } 3711 3712 evcnt_detach(&rxr->rx_packets); 3713 evcnt_detach(&rxr->rx_bytes); 3714 evcnt_detach(&rxr->rx_copies); 3715 evcnt_detach(&rxr->no_jmbuf); 3716 evcnt_detach(&rxr->rx_discarded); 3717 } 3718 evcnt_detach(&stats->ipcs); 3719 evcnt_detach(&stats->l4cs); 3720 evcnt_detach(&stats->ipcs_bad); 3721 evcnt_detach(&stats->l4cs_bad); 3722 evcnt_detach(&stats->intzero); 3723 evcnt_detach(&stats->legint); 3724 evcnt_detach(&stats->crcerrs); 3725 evcnt_detach(&stats->illerrc); 3726 evcnt_detach(&stats->errbc); 3727 evcnt_detach(&stats->mspdc); 3728 if (hw->mac.type >= ixgbe_mac_X550) 3729 evcnt_detach(&stats->mbsdc); 3730 evcnt_detach(&stats->mpctotal); 3731 evcnt_detach(&stats->mlfc); 3732 evcnt_detach(&stats->mrfc); 3733 evcnt_detach(&stats->rlec); 3734 evcnt_detach(&stats->lxontxc); 3735 evcnt_detach(&stats->lxonrxc); 3736 evcnt_detach(&stats->lxofftxc); 3737 evcnt_detach(&stats->lxoffrxc); 3738 3739 /* Packet Reception Stats */ 3740 evcnt_detach(&stats->tor); 3741 evcnt_detach(&stats->gorc); 3742 evcnt_detach(&stats->tpr); 3743 evcnt_detach(&stats->gprc); 3744 evcnt_detach(&stats->mprc); 3745 evcnt_detach(&stats->bprc); 3746 evcnt_detach(&stats->prc64); 3747 evcnt_detach(&stats->prc127); 3748 evcnt_detach(&stats->prc255); 3749 evcnt_detach(&stats->prc511); 3750 evcnt_detach(&stats->prc1023); 3751 evcnt_detach(&stats->prc1522); 3752 evcnt_detach(&stats->ruc); 3753 evcnt_detach(&stats->rfc); 3754 evcnt_detach(&stats->roc); 3755 evcnt_detach(&stats->rjc); 3756 evcnt_detach(&stats->mngprc); 3757 evcnt_detach(&stats->mngpdc); 3758 evcnt_detach(&stats->xec); 3759 3760 /* Packet Transmission Stats */ 3761 evcnt_detach(&stats->gotc); 3762 evcnt_detach(&stats->tpt); 3763 evcnt_detach(&stats->gptc); 3764 evcnt_detach(&stats->bptc); 3765 evcnt_detach(&stats->mptc); 3766 evcnt_detach(&stats->mngptc); 3767 evcnt_detach(&stats->ptc64); 3768 evcnt_detach(&stats->ptc127); 3769 evcnt_detach(&stats->ptc255); 3770 evcnt_detach(&stats->ptc511); 3771 evcnt_detach(&stats->ptc1023); 3772 evcnt_detach(&stats->ptc1522); 3773 3774 ixgbe_free_queues(adapter); 3775 free(adapter->mta, M_DEVBUF); 3776 3777 mutex_destroy(&adapter->admin_mtx); /* XXX appropriate order? */ 3778 IXGBE_CORE_LOCK_DESTROY(adapter); 3779 3780 return (0); 3781 } /* ixgbe_detach */ 3782 3783 /************************************************************************ 3784 * ixgbe_setup_low_power_mode - LPLU/WoL preparation 3785 * 3786 * Prepare the adapter/port for LPLU and/or WoL 3787 ************************************************************************/ 3788 static int 3789 ixgbe_setup_low_power_mode(struct adapter *adapter) 3790 { 3791 struct ixgbe_hw *hw = &adapter->hw; 3792 device_t dev = adapter->dev; 3793 struct ifnet *ifp = adapter->ifp; 3794 s32 error = 0; 3795 3796 /* Limit power management flow to X550EM baseT */ 3797 if (hw->device_id == IXGBE_DEV_ID_X550EM_X_10G_T && 3798 hw->phy.ops.enter_lplu) { 3799 /* X550EM baseT adapters need a special LPLU flow */ 3800 hw->phy.reset_disable = true; 3801 ixgbe_ifstop(ifp, 1); 3802 error = hw->phy.ops.enter_lplu(hw); 3803 if (error) 3804 device_printf(dev, 3805 "Error entering LPLU: %d\n", error); 3806 hw->phy.reset_disable = false; 3807 } else { 3808 /* Just stop for other adapters */ 3809 ixgbe_ifstop(ifp, 1); 3810 } 3811 3812 IXGBE_CORE_LOCK(adapter); 3813 3814 if (!hw->wol_enabled) { 3815 ixgbe_set_phy_power(hw, FALSE); 3816 IXGBE_WRITE_REG(hw, IXGBE_WUFC, 0); 3817 IXGBE_WRITE_REG(hw, IXGBE_WUC, 0); 3818 } else { 3819 /* Turn off support for APM wakeup. (Using ACPI instead) */ 3820 IXGBE_WRITE_REG(hw, IXGBE_GRC_BY_MAC(hw), 3821 IXGBE_READ_REG(hw, IXGBE_GRC_BY_MAC(hw)) & ~(u32)2); 3822 3823 /* 3824 * Clear Wake Up Status register to prevent any previous wakeup 3825 * events from waking us up immediately after we suspend. 3826 */ 3827 IXGBE_WRITE_REG(hw, IXGBE_WUS, 0xffffffff); 3828 3829 /* 3830 * Program the Wakeup Filter Control register with user filter 3831 * settings 3832 */ 3833 IXGBE_WRITE_REG(hw, IXGBE_WUFC, adapter->wufc); 3834 3835 /* Enable wakeups and power management in Wakeup Control */ 3836 IXGBE_WRITE_REG(hw, IXGBE_WUC, 3837 IXGBE_WUC_WKEN | IXGBE_WUC_PME_EN); 3838 3839 } 3840 3841 IXGBE_CORE_UNLOCK(adapter); 3842 3843 return error; 3844 } /* ixgbe_setup_low_power_mode */ 3845 3846 /************************************************************************ 3847 * ixgbe_shutdown - Shutdown entry point 3848 ************************************************************************/ 3849 #if 0 /* XXX NetBSD ought to register something like this through pmf(9) */ 3850 static int 3851 ixgbe_shutdown(device_t dev) 3852 { 3853 struct adapter *adapter = device_private(dev); 3854 int error = 0; 3855 3856 INIT_DEBUGOUT("ixgbe_shutdown: begin"); 3857 3858 error = ixgbe_setup_low_power_mode(adapter); 3859 3860 return (error); 3861 } /* ixgbe_shutdown */ 3862 #endif 3863 3864 /************************************************************************ 3865 * ixgbe_suspend 3866 * 3867 * From D0 to D3 3868 ************************************************************************/ 3869 static bool 3870 ixgbe_suspend(device_t dev, const pmf_qual_t *qual) 3871 { 3872 struct adapter *adapter = device_private(dev); 3873 int error = 0; 3874 3875 INIT_DEBUGOUT("ixgbe_suspend: begin"); 3876 3877 error = ixgbe_setup_low_power_mode(adapter); 3878 3879 return (error); 3880 } /* ixgbe_suspend */ 3881 3882 /************************************************************************ 3883 * ixgbe_resume 3884 * 3885 * From D3 to D0 3886 ************************************************************************/ 3887 static bool 3888 ixgbe_resume(device_t dev, const pmf_qual_t *qual) 3889 { 3890 struct adapter *adapter = device_private(dev); 3891 struct ifnet *ifp = adapter->ifp; 3892 struct ixgbe_hw *hw = &adapter->hw; 3893 u32 wus; 3894 3895 INIT_DEBUGOUT("ixgbe_resume: begin"); 3896 3897 IXGBE_CORE_LOCK(adapter); 3898 3899 /* Read & clear WUS register */ 3900 wus = IXGBE_READ_REG(hw, IXGBE_WUS); 3901 if (wus) 3902 device_printf(dev, "Woken up by (WUS): %#010x\n", 3903 IXGBE_READ_REG(hw, IXGBE_WUS)); 3904 IXGBE_WRITE_REG(hw, IXGBE_WUS, 0xffffffff); 3905 /* And clear WUFC until next low-power transition */ 3906 IXGBE_WRITE_REG(hw, IXGBE_WUFC, 0); 3907 3908 /* 3909 * Required after D3->D0 transition; 3910 * will re-advertise all previous advertised speeds 3911 */ 3912 if (ifp->if_flags & IFF_UP) 3913 ixgbe_init_locked(adapter); 3914 3915 IXGBE_CORE_UNLOCK(adapter); 3916 3917 return true; 3918 } /* ixgbe_resume */ 3919 3920 /* 3921 * Set the various hardware offload abilities. 3922 * 3923 * This takes the ifnet's if_capenable flags (e.g. set by the user using 3924 * ifconfig) and indicates to the OS via the ifnet's if_hwassist field what 3925 * mbuf offload flags the driver will understand. 3926 */ 3927 static void 3928 ixgbe_set_if_hwassist(struct adapter *adapter) 3929 { 3930 /* XXX */ 3931 } 3932 3933 /************************************************************************ 3934 * ixgbe_init_locked - Init entry point 3935 * 3936 * Used in two ways: It is used by the stack as an init 3937 * entry point in network interface structure. It is also 3938 * used by the driver as a hw/sw initialization routine to 3939 * get to a consistent state. 3940 * 3941 * return 0 on success, positive on failure 3942 ************************************************************************/ 3943 static void 3944 ixgbe_init_locked(struct adapter *adapter) 3945 { 3946 struct ifnet *ifp = adapter->ifp; 3947 device_t dev = adapter->dev; 3948 struct ixgbe_hw *hw = &adapter->hw; 3949 struct ix_queue *que; 3950 struct tx_ring *txr; 3951 struct rx_ring *rxr; 3952 u32 txdctl, mhadd; 3953 u32 rxdctl, rxctrl; 3954 u32 ctrl_ext; 3955 bool unsupported_sfp = false; 3956 int i, j, err; 3957 3958 /* XXX check IFF_UP and IFF_RUNNING, power-saving state! */ 3959 3960 KASSERT(mutex_owned(&adapter->core_mtx)); 3961 INIT_DEBUGOUT("ixgbe_init_locked: begin"); 3962 3963 hw->need_unsupported_sfp_recovery = false; 3964 hw->adapter_stopped = FALSE; 3965 ixgbe_stop_adapter(hw); 3966 callout_stop(&adapter->timer); 3967 if (adapter->feat_en & IXGBE_FEATURE_RECOVERY_MODE) 3968 callout_stop(&adapter->recovery_mode_timer); 3969 for (i = 0, que = adapter->queues; i < adapter->num_queues; i++, que++) 3970 que->disabled_count = 0; 3971 3972 /* XXX I moved this here from the SIOCSIFMTU case in ixgbe_ioctl(). */ 3973 adapter->max_frame_size = 3974 ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN; 3975 3976 /* Queue indices may change with IOV mode */ 3977 ixgbe_align_all_queue_indices(adapter); 3978 3979 /* reprogram the RAR[0] in case user changed it. */ 3980 ixgbe_set_rar(hw, 0, hw->mac.addr, adapter->pool, IXGBE_RAH_AV); 3981 3982 /* Get the latest mac address, User can use a LAA */ 3983 memcpy(hw->mac.addr, CLLADDR(ifp->if_sadl), 3984 IXGBE_ETH_LENGTH_OF_ADDRESS); 3985 ixgbe_set_rar(hw, 0, hw->mac.addr, adapter->pool, 1); 3986 hw->addr_ctrl.rar_used_count = 1; 3987 3988 /* Set hardware offload abilities from ifnet flags */ 3989 ixgbe_set_if_hwassist(adapter); 3990 3991 /* Prepare transmit descriptors and buffers */ 3992 if (ixgbe_setup_transmit_structures(adapter)) { 3993 device_printf(dev, "Could not setup transmit structures\n"); 3994 ixgbe_stop_locked(adapter); 3995 return; 3996 } 3997 3998 ixgbe_init_hw(hw); 3999 4000 ixgbe_initialize_iov(adapter); 4001 4002 ixgbe_initialize_transmit_units(adapter); 4003 4004 /* Setup Multicast table */ 4005 ixgbe_set_rxfilter(adapter); 4006 4007 /* Determine the correct mbuf pool, based on frame size */ 4008 if (adapter->max_frame_size <= MCLBYTES) 4009 adapter->rx_mbuf_sz = MCLBYTES; 4010 else 4011 adapter->rx_mbuf_sz = MJUMPAGESIZE; 4012 4013 /* Prepare receive descriptors and buffers */ 4014 if (ixgbe_setup_receive_structures(adapter)) { 4015 device_printf(dev, "Could not setup receive structures\n"); 4016 ixgbe_stop_locked(adapter); 4017 return; 4018 } 4019 4020 /* Configure RX settings */ 4021 ixgbe_initialize_receive_units(adapter); 4022 4023 /* Initialize variable holding task enqueue requests interrupts */ 4024 adapter->task_requests = 0; 4025 4026 /* Enable SDP & MSI-X interrupts based on adapter */ 4027 ixgbe_config_gpie(adapter); 4028 4029 /* Set MTU size */ 4030 if (ifp->if_mtu > ETHERMTU) { 4031 /* aka IXGBE_MAXFRS on 82599 and newer */ 4032 mhadd = IXGBE_READ_REG(hw, IXGBE_MHADD); 4033 mhadd &= ~IXGBE_MHADD_MFS_MASK; 4034 mhadd |= adapter->max_frame_size << IXGBE_MHADD_MFS_SHIFT; 4035 IXGBE_WRITE_REG(hw, IXGBE_MHADD, mhadd); 4036 } 4037 4038 /* Now enable all the queues */ 4039 for (i = 0; i < adapter->num_queues; i++) { 4040 txr = &adapter->tx_rings[i]; 4041 txdctl = IXGBE_READ_REG(hw, IXGBE_TXDCTL(txr->me)); 4042 txdctl |= IXGBE_TXDCTL_ENABLE; 4043 /* Set WTHRESH to 8, burst writeback */ 4044 txdctl |= (8 << 16); 4045 /* 4046 * When the internal queue falls below PTHRESH (32), 4047 * start prefetching as long as there are at least 4048 * HTHRESH (1) buffers ready. The values are taken 4049 * from the Intel linux driver 3.8.21. 4050 * Prefetching enables tx line rate even with 1 queue. 4051 */ 4052 txdctl |= (32 << 0) | (1 << 8); 4053 IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(txr->me), txdctl); 4054 } 4055 4056 for (i = 0; i < adapter->num_queues; i++) { 4057 rxr = &adapter->rx_rings[i]; 4058 rxdctl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(rxr->me)); 4059 if (hw->mac.type == ixgbe_mac_82598EB) { 4060 /* 4061 * PTHRESH = 21 4062 * HTHRESH = 4 4063 * WTHRESH = 8 4064 */ 4065 rxdctl &= ~0x3FFFFF; 4066 rxdctl |= 0x080420; 4067 } 4068 rxdctl |= IXGBE_RXDCTL_ENABLE; 4069 IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(rxr->me), rxdctl); 4070 for (j = 0; j < 10; j++) { 4071 if (IXGBE_READ_REG(hw, IXGBE_RXDCTL(rxr->me)) & 4072 IXGBE_RXDCTL_ENABLE) 4073 break; 4074 else 4075 msec_delay(1); 4076 } 4077 IXGBE_WRITE_BARRIER(hw); 4078 4079 /* 4080 * In netmap mode, we must preserve the buffers made 4081 * available to userspace before the if_init() 4082 * (this is true by default on the TX side, because 4083 * init makes all buffers available to userspace). 4084 * 4085 * netmap_reset() and the device specific routines 4086 * (e.g. ixgbe_setup_receive_rings()) map these 4087 * buffers at the end of the NIC ring, so here we 4088 * must set the RDT (tail) register to make sure 4089 * they are not overwritten. 4090 * 4091 * In this driver the NIC ring starts at RDH = 0, 4092 * RDT points to the last slot available for reception (?), 4093 * so RDT = num_rx_desc - 1 means the whole ring is available. 4094 */ 4095 #ifdef DEV_NETMAP 4096 if ((adapter->feat_en & IXGBE_FEATURE_NETMAP) && 4097 (ifp->if_capenable & IFCAP_NETMAP)) { 4098 struct netmap_adapter *na = NA(adapter->ifp); 4099 struct netmap_kring *kring = na->rx_rings[i]; 4100 int t = na->num_rx_desc - 1 - nm_kr_rxspace(kring); 4101 4102 IXGBE_WRITE_REG(hw, IXGBE_RDT(rxr->me), t); 4103 } else 4104 #endif /* DEV_NETMAP */ 4105 IXGBE_WRITE_REG(hw, IXGBE_RDT(rxr->me), 4106 adapter->num_rx_desc - 1); 4107 } 4108 4109 /* Enable Receive engine */ 4110 rxctrl = IXGBE_READ_REG(hw, IXGBE_RXCTRL); 4111 if (hw->mac.type == ixgbe_mac_82598EB) 4112 rxctrl |= IXGBE_RXCTRL_DMBYPS; 4113 rxctrl |= IXGBE_RXCTRL_RXEN; 4114 ixgbe_enable_rx_dma(hw, rxctrl); 4115 4116 callout_reset(&adapter->timer, hz, ixgbe_local_timer, adapter); 4117 atomic_store_relaxed(&adapter->timer_pending, 0); 4118 if (adapter->feat_en & IXGBE_FEATURE_RECOVERY_MODE) 4119 callout_reset(&adapter->recovery_mode_timer, hz, 4120 ixgbe_recovery_mode_timer, adapter); 4121 4122 /* Set up MSI/MSI-X routing */ 4123 if (adapter->feat_en & IXGBE_FEATURE_MSIX) { 4124 ixgbe_configure_ivars(adapter); 4125 /* Set up auto-mask */ 4126 if (hw->mac.type == ixgbe_mac_82598EB) 4127 IXGBE_WRITE_REG(hw, IXGBE_EIAM, IXGBE_EICS_RTX_QUEUE); 4128 else { 4129 IXGBE_WRITE_REG(hw, IXGBE_EIAM_EX(0), 0xFFFFFFFF); 4130 IXGBE_WRITE_REG(hw, IXGBE_EIAM_EX(1), 0xFFFFFFFF); 4131 } 4132 } else { /* Simple settings for Legacy/MSI */ 4133 ixgbe_set_ivar(adapter, 0, 0, 0); 4134 ixgbe_set_ivar(adapter, 0, 0, 1); 4135 IXGBE_WRITE_REG(hw, IXGBE_EIAM, IXGBE_EICS_RTX_QUEUE); 4136 } 4137 4138 ixgbe_init_fdir(adapter); 4139 4140 /* 4141 * Check on any SFP devices that 4142 * need to be kick-started 4143 */ 4144 if (hw->phy.type == ixgbe_phy_none) { 4145 err = hw->phy.ops.identify(hw); 4146 if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) 4147 unsupported_sfp = true; 4148 } else if (hw->phy.type == ixgbe_phy_sfp_unsupported) 4149 unsupported_sfp = true; 4150 4151 if (unsupported_sfp) 4152 device_printf(dev, 4153 "Unsupported SFP+ module type was detected.\n"); 4154 4155 /* Set moderation on the Link interrupt */ 4156 ixgbe_eitr_write(adapter, adapter->vector, IXGBE_LINK_ITR); 4157 4158 /* Enable EEE power saving */ 4159 if (adapter->feat_cap & IXGBE_FEATURE_EEE) 4160 hw->mac.ops.setup_eee(hw, 4161 adapter->feat_en & IXGBE_FEATURE_EEE); 4162 4163 /* Enable power to the phy. */ 4164 if (!unsupported_sfp) { 4165 ixgbe_set_phy_power(hw, TRUE); 4166 4167 /* Config/Enable Link */ 4168 ixgbe_config_link(adapter); 4169 } 4170 4171 /* Hardware Packet Buffer & Flow Control setup */ 4172 ixgbe_config_delay_values(adapter); 4173 4174 /* Initialize the FC settings */ 4175 ixgbe_start_hw(hw); 4176 4177 /* Set up VLAN support and filter */ 4178 ixgbe_setup_vlan_hw_support(adapter); 4179 4180 /* Setup DMA Coalescing */ 4181 ixgbe_config_dmac(adapter); 4182 4183 /* OK to schedule workqueues. */ 4184 adapter->schedule_wqs_ok = true; 4185 4186 /* And now turn on interrupts */ 4187 ixgbe_enable_intr(adapter); 4188 4189 /* Enable the use of the MBX by the VF's */ 4190 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) { 4191 ctrl_ext = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT); 4192 ctrl_ext |= IXGBE_CTRL_EXT_PFRSTD; 4193 IXGBE_WRITE_REG(hw, IXGBE_CTRL_EXT, ctrl_ext); 4194 } 4195 4196 /* Update saved flags. See ixgbe_ifflags_cb() */ 4197 adapter->if_flags = ifp->if_flags; 4198 adapter->ec_capenable = adapter->osdep.ec.ec_capenable; 4199 4200 /* Now inform the stack we're ready */ 4201 ifp->if_flags |= IFF_RUNNING; 4202 4203 return; 4204 } /* ixgbe_init_locked */ 4205 4206 /************************************************************************ 4207 * ixgbe_init 4208 ************************************************************************/ 4209 static int 4210 ixgbe_init(struct ifnet *ifp) 4211 { 4212 struct adapter *adapter = ifp->if_softc; 4213 4214 IXGBE_CORE_LOCK(adapter); 4215 ixgbe_init_locked(adapter); 4216 IXGBE_CORE_UNLOCK(adapter); 4217 4218 return 0; /* XXX ixgbe_init_locked cannot fail? really? */ 4219 } /* ixgbe_init */ 4220 4221 /************************************************************************ 4222 * ixgbe_set_ivar 4223 * 4224 * Setup the correct IVAR register for a particular MSI-X interrupt 4225 * (yes this is all very magic and confusing :) 4226 * - entry is the register array entry 4227 * - vector is the MSI-X vector for this queue 4228 * - type is RX/TX/MISC 4229 ************************************************************************/ 4230 static void 4231 ixgbe_set_ivar(struct adapter *adapter, u8 entry, u8 vector, s8 type) 4232 { 4233 struct ixgbe_hw *hw = &adapter->hw; 4234 u32 ivar, index; 4235 4236 vector |= IXGBE_IVAR_ALLOC_VAL; 4237 4238 switch (hw->mac.type) { 4239 case ixgbe_mac_82598EB: 4240 if (type == -1) 4241 entry = IXGBE_IVAR_OTHER_CAUSES_INDEX; 4242 else 4243 entry += (type * 64); 4244 index = (entry >> 2) & 0x1F; 4245 ivar = IXGBE_READ_REG(hw, IXGBE_IVAR(index)); 4246 ivar &= ~(0xffUL << (8 * (entry & 0x3))); 4247 ivar |= ((u32)vector << (8 * (entry & 0x3))); 4248 IXGBE_WRITE_REG(&adapter->hw, IXGBE_IVAR(index), ivar); 4249 break; 4250 case ixgbe_mac_82599EB: 4251 case ixgbe_mac_X540: 4252 case ixgbe_mac_X550: 4253 case ixgbe_mac_X550EM_x: 4254 case ixgbe_mac_X550EM_a: 4255 if (type == -1) { /* MISC IVAR */ 4256 index = (entry & 1) * 8; 4257 ivar = IXGBE_READ_REG(hw, IXGBE_IVAR_MISC); 4258 ivar &= ~(0xffUL << index); 4259 ivar |= ((u32)vector << index); 4260 IXGBE_WRITE_REG(hw, IXGBE_IVAR_MISC, ivar); 4261 } else { /* RX/TX IVARS */ 4262 index = (16 * (entry & 1)) + (8 * type); 4263 ivar = IXGBE_READ_REG(hw, IXGBE_IVAR(entry >> 1)); 4264 ivar &= ~(0xffUL << index); 4265 ivar |= ((u32)vector << index); 4266 IXGBE_WRITE_REG(hw, IXGBE_IVAR(entry >> 1), ivar); 4267 } 4268 break; 4269 default: 4270 break; 4271 } 4272 } /* ixgbe_set_ivar */ 4273 4274 /************************************************************************ 4275 * ixgbe_configure_ivars 4276 ************************************************************************/ 4277 static void 4278 ixgbe_configure_ivars(struct adapter *adapter) 4279 { 4280 struct ix_queue *que = adapter->queues; 4281 u32 newitr; 4282 4283 if (ixgbe_max_interrupt_rate > 0) 4284 newitr = (4000000 / ixgbe_max_interrupt_rate) & 0x0FF8; 4285 else { 4286 /* 4287 * Disable DMA coalescing if interrupt moderation is 4288 * disabled. 4289 */ 4290 adapter->dmac = 0; 4291 newitr = 0; 4292 } 4293 4294 for (int i = 0; i < adapter->num_queues; i++, que++) { 4295 struct rx_ring *rxr = &adapter->rx_rings[i]; 4296 struct tx_ring *txr = &adapter->tx_rings[i]; 4297 /* First the RX queue entry */ 4298 ixgbe_set_ivar(adapter, rxr->me, que->msix, 0); 4299 /* ... and the TX */ 4300 ixgbe_set_ivar(adapter, txr->me, que->msix, 1); 4301 /* Set an Initial EITR value */ 4302 ixgbe_eitr_write(adapter, que->msix, newitr); 4303 /* 4304 * To eliminate influence of the previous state. 4305 * At this point, Tx/Rx interrupt handler 4306 * (ixgbe_msix_que()) cannot be called, so both 4307 * IXGBE_TX_LOCK and IXGBE_RX_LOCK are not required. 4308 */ 4309 que->eitr_setting = 0; 4310 } 4311 4312 /* For the Link interrupt */ 4313 ixgbe_set_ivar(adapter, 1, adapter->vector, -1); 4314 } /* ixgbe_configure_ivars */ 4315 4316 /************************************************************************ 4317 * ixgbe_config_gpie 4318 ************************************************************************/ 4319 static void 4320 ixgbe_config_gpie(struct adapter *adapter) 4321 { 4322 struct ixgbe_hw *hw = &adapter->hw; 4323 u32 gpie; 4324 4325 gpie = IXGBE_READ_REG(hw, IXGBE_GPIE); 4326 4327 if (adapter->feat_en & IXGBE_FEATURE_MSIX) { 4328 /* Enable Enhanced MSI-X mode */ 4329 gpie |= IXGBE_GPIE_MSIX_MODE 4330 | IXGBE_GPIE_EIAME 4331 | IXGBE_GPIE_PBA_SUPPORT 4332 | IXGBE_GPIE_OCD; 4333 } 4334 4335 /* Fan Failure Interrupt */ 4336 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) 4337 gpie |= IXGBE_SDP1_GPIEN; 4338 4339 /* Thermal Sensor Interrupt */ 4340 if (adapter->feat_en & IXGBE_FEATURE_TEMP_SENSOR) 4341 gpie |= IXGBE_SDP0_GPIEN_X540; 4342 4343 /* Link detection */ 4344 switch (hw->mac.type) { 4345 case ixgbe_mac_82599EB: 4346 gpie |= IXGBE_SDP1_GPIEN | IXGBE_SDP2_GPIEN; 4347 break; 4348 case ixgbe_mac_X550EM_x: 4349 case ixgbe_mac_X550EM_a: 4350 gpie |= IXGBE_SDP0_GPIEN_X540; 4351 break; 4352 default: 4353 break; 4354 } 4355 4356 IXGBE_WRITE_REG(hw, IXGBE_GPIE, gpie); 4357 4358 } /* ixgbe_config_gpie */ 4359 4360 /************************************************************************ 4361 * ixgbe_config_delay_values 4362 * 4363 * Requires adapter->max_frame_size to be set. 4364 ************************************************************************/ 4365 static void 4366 ixgbe_config_delay_values(struct adapter *adapter) 4367 { 4368 struct ixgbe_hw *hw = &adapter->hw; 4369 u32 rxpb, frame, size, tmp; 4370 4371 frame = adapter->max_frame_size; 4372 4373 /* Calculate High Water */ 4374 switch (hw->mac.type) { 4375 case ixgbe_mac_X540: 4376 case ixgbe_mac_X550: 4377 case ixgbe_mac_X550EM_x: 4378 case ixgbe_mac_X550EM_a: 4379 tmp = IXGBE_DV_X540(frame, frame); 4380 break; 4381 default: 4382 tmp = IXGBE_DV(frame, frame); 4383 break; 4384 } 4385 size = IXGBE_BT2KB(tmp); 4386 rxpb = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(0)) >> 10; 4387 hw->fc.high_water[0] = rxpb - size; 4388 4389 /* Now calculate Low Water */ 4390 switch (hw->mac.type) { 4391 case ixgbe_mac_X540: 4392 case ixgbe_mac_X550: 4393 case ixgbe_mac_X550EM_x: 4394 case ixgbe_mac_X550EM_a: 4395 tmp = IXGBE_LOW_DV_X540(frame); 4396 break; 4397 default: 4398 tmp = IXGBE_LOW_DV(frame); 4399 break; 4400 } 4401 hw->fc.low_water[0] = IXGBE_BT2KB(tmp); 4402 4403 hw->fc.pause_time = IXGBE_FC_PAUSE; 4404 hw->fc.send_xon = TRUE; 4405 } /* ixgbe_config_delay_values */ 4406 4407 /************************************************************************ 4408 * ixgbe_set_rxfilter - Multicast Update 4409 * 4410 * Called whenever multicast address list is updated. 4411 ************************************************************************/ 4412 static void 4413 ixgbe_set_rxfilter(struct adapter *adapter) 4414 { 4415 struct ixgbe_mc_addr *mta; 4416 struct ifnet *ifp = adapter->ifp; 4417 u8 *update_ptr; 4418 int mcnt = 0; 4419 u32 fctrl; 4420 struct ethercom *ec = &adapter->osdep.ec; 4421 struct ether_multi *enm; 4422 struct ether_multistep step; 4423 4424 KASSERT(mutex_owned(&adapter->core_mtx)); 4425 IOCTL_DEBUGOUT("ixgbe_set_rxfilter: begin"); 4426 4427 mta = adapter->mta; 4428 bzero(mta, sizeof(*mta) * MAX_NUM_MULTICAST_ADDRESSES); 4429 4430 ETHER_LOCK(ec); 4431 ec->ec_flags &= ~ETHER_F_ALLMULTI; 4432 ETHER_FIRST_MULTI(step, ec, enm); 4433 while (enm != NULL) { 4434 if ((mcnt == MAX_NUM_MULTICAST_ADDRESSES) || 4435 (memcmp(enm->enm_addrlo, enm->enm_addrhi, 4436 ETHER_ADDR_LEN) != 0)) { 4437 ec->ec_flags |= ETHER_F_ALLMULTI; 4438 break; 4439 } 4440 bcopy(enm->enm_addrlo, 4441 mta[mcnt].addr, IXGBE_ETH_LENGTH_OF_ADDRESS); 4442 mta[mcnt].vmdq = adapter->pool; 4443 mcnt++; 4444 ETHER_NEXT_MULTI(step, enm); 4445 } 4446 4447 fctrl = IXGBE_READ_REG(&adapter->hw, IXGBE_FCTRL); 4448 if (ifp->if_flags & IFF_PROMISC) 4449 fctrl |= (IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE); 4450 else if (ec->ec_flags & ETHER_F_ALLMULTI) { 4451 fctrl |= IXGBE_FCTRL_MPE; 4452 fctrl &= ~IXGBE_FCTRL_UPE; 4453 } else 4454 fctrl &= ~(IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE); 4455 4456 IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCTRL, fctrl); 4457 4458 /* Update multicast filter entries only when it's not ALLMULTI */ 4459 if ((ec->ec_flags & ETHER_F_ALLMULTI) == 0) { 4460 ETHER_UNLOCK(ec); 4461 update_ptr = (u8 *)mta; 4462 ixgbe_update_mc_addr_list(&adapter->hw, update_ptr, mcnt, 4463 ixgbe_mc_array_itr, TRUE); 4464 } else 4465 ETHER_UNLOCK(ec); 4466 } /* ixgbe_set_rxfilter */ 4467 4468 /************************************************************************ 4469 * ixgbe_mc_array_itr 4470 * 4471 * An iterator function needed by the multicast shared code. 4472 * It feeds the shared code routine the addresses in the 4473 * array of ixgbe_set_rxfilter() one by one. 4474 ************************************************************************/ 4475 static u8 * 4476 ixgbe_mc_array_itr(struct ixgbe_hw *hw, u8 **update_ptr, u32 *vmdq) 4477 { 4478 struct ixgbe_mc_addr *mta; 4479 4480 mta = (struct ixgbe_mc_addr *)*update_ptr; 4481 *vmdq = mta->vmdq; 4482 4483 *update_ptr = (u8*)(mta + 1); 4484 4485 return (mta->addr); 4486 } /* ixgbe_mc_array_itr */ 4487 4488 /************************************************************************ 4489 * ixgbe_local_timer - Timer routine 4490 * 4491 * Checks for link status, updates statistics, 4492 * and runs the watchdog check. 4493 ************************************************************************/ 4494 static void 4495 ixgbe_local_timer(void *arg) 4496 { 4497 struct adapter *adapter = arg; 4498 4499 if (adapter->schedule_wqs_ok) { 4500 if (atomic_cas_uint(&adapter->timer_pending, 0, 1) == 0) 4501 workqueue_enqueue(adapter->timer_wq, 4502 &adapter->timer_wc, NULL); 4503 } 4504 } 4505 4506 static void 4507 ixgbe_handle_timer(struct work *wk, void *context) 4508 { 4509 struct adapter *adapter = context; 4510 struct ixgbe_hw *hw = &adapter->hw; 4511 device_t dev = adapter->dev; 4512 struct ix_queue *que = adapter->queues; 4513 u64 queues = 0; 4514 u64 v0, v1, v2, v3, v4, v5, v6, v7; 4515 int hung = 0; 4516 int i; 4517 4518 IXGBE_CORE_LOCK(adapter); 4519 4520 /* Check for pluggable optics */ 4521 if (ixgbe_is_sfp(hw)) { 4522 bool sched_mod_task = false; 4523 4524 if (hw->mac.type == ixgbe_mac_82598EB) { 4525 /* 4526 * On 82598EB, SFP+'s MOD_ABS pin is not connected to 4527 * any GPIO(SDP). So just schedule TASK_MOD. 4528 */ 4529 sched_mod_task = true; 4530 } else { 4531 bool was_full, is_full; 4532 4533 was_full = 4534 hw->phy.sfp_type != ixgbe_sfp_type_not_present; 4535 is_full = ixgbe_sfp_cage_full(hw); 4536 4537 /* Do probe if cage state changed */ 4538 if (was_full ^ is_full) 4539 sched_mod_task = true; 4540 } 4541 if (sched_mod_task) { 4542 mutex_enter(&adapter->admin_mtx); 4543 adapter->task_requests |= IXGBE_REQUEST_TASK_MOD_WOI; 4544 ixgbe_schedule_admin_tasklet(adapter); 4545 mutex_exit(&adapter->admin_mtx); 4546 } 4547 } 4548 4549 ixgbe_update_link_status(adapter); 4550 ixgbe_update_stats_counters(adapter); 4551 4552 /* Update some event counters */ 4553 v0 = v1 = v2 = v3 = v4 = v5 = v6 = v7 = 0; 4554 que = adapter->queues; 4555 for (i = 0; i < adapter->num_queues; i++, que++) { 4556 struct tx_ring *txr = que->txr; 4557 4558 v0 += txr->q_efbig_tx_dma_setup; 4559 v1 += txr->q_mbuf_defrag_failed; 4560 v2 += txr->q_efbig2_tx_dma_setup; 4561 v3 += txr->q_einval_tx_dma_setup; 4562 v4 += txr->q_other_tx_dma_setup; 4563 v5 += txr->q_eagain_tx_dma_setup; 4564 v6 += txr->q_enomem_tx_dma_setup; 4565 v7 += txr->q_tso_err; 4566 } 4567 adapter->efbig_tx_dma_setup.ev_count = v0; 4568 adapter->mbuf_defrag_failed.ev_count = v1; 4569 adapter->efbig2_tx_dma_setup.ev_count = v2; 4570 adapter->einval_tx_dma_setup.ev_count = v3; 4571 adapter->other_tx_dma_setup.ev_count = v4; 4572 adapter->eagain_tx_dma_setup.ev_count = v5; 4573 adapter->enomem_tx_dma_setup.ev_count = v6; 4574 adapter->tso_err.ev_count = v7; 4575 4576 /* 4577 * Check the TX queues status 4578 * - mark hung queues so we don't schedule on them 4579 * - watchdog only if all queues show hung 4580 */ 4581 que = adapter->queues; 4582 for (i = 0; i < adapter->num_queues; i++, que++) { 4583 /* Keep track of queues with work for soft irq */ 4584 if (que->txr->busy) 4585 queues |= 1ULL << que->me; 4586 /* 4587 * Each time txeof runs without cleaning, but there 4588 * are uncleaned descriptors it increments busy. If 4589 * we get to the MAX we declare it hung. 4590 */ 4591 if (que->busy == IXGBE_QUEUE_HUNG) { 4592 ++hung; 4593 /* Mark the queue as inactive */ 4594 adapter->active_queues &= ~(1ULL << que->me); 4595 continue; 4596 } else { 4597 /* Check if we've come back from hung */ 4598 if ((adapter->active_queues & (1ULL << que->me)) == 0) 4599 adapter->active_queues |= 1ULL << que->me; 4600 } 4601 if (que->busy >= IXGBE_MAX_TX_BUSY) { 4602 device_printf(dev, 4603 "Warning queue %d appears to be hung!\n", i); 4604 que->txr->busy = IXGBE_QUEUE_HUNG; 4605 ++hung; 4606 } 4607 } 4608 4609 /* Only truly watchdog if all queues show hung */ 4610 if (hung == adapter->num_queues) 4611 goto watchdog; 4612 #if 0 /* XXX Avoid unexpectedly disabling interrupt forever (PR#53294) */ 4613 else if (queues != 0) { /* Force an IRQ on queues with work */ 4614 que = adapter->queues; 4615 for (i = 0; i < adapter->num_queues; i++, que++) { 4616 mutex_enter(&que->dc_mtx); 4617 if (que->disabled_count == 0) 4618 ixgbe_rearm_queues(adapter, 4619 queues & ((u64)1 << i)); 4620 mutex_exit(&que->dc_mtx); 4621 } 4622 } 4623 #endif 4624 4625 atomic_store_relaxed(&adapter->timer_pending, 0); 4626 IXGBE_CORE_UNLOCK(adapter); 4627 callout_reset(&adapter->timer, hz, ixgbe_local_timer, adapter); 4628 return; 4629 4630 watchdog: 4631 device_printf(adapter->dev, "Watchdog timeout -- resetting\n"); 4632 adapter->ifp->if_flags &= ~IFF_RUNNING; 4633 adapter->watchdog_events.ev_count++; 4634 ixgbe_init_locked(adapter); 4635 IXGBE_CORE_UNLOCK(adapter); 4636 } /* ixgbe_handle_timer */ 4637 4638 /************************************************************************ 4639 * ixgbe_recovery_mode_timer - Recovery mode timer routine 4640 ************************************************************************/ 4641 static void 4642 ixgbe_recovery_mode_timer(void *arg) 4643 { 4644 struct adapter *adapter = arg; 4645 4646 if (__predict_true(adapter->osdep.detaching == false)) { 4647 if (atomic_cas_uint(&adapter->recovery_mode_timer_pending, 4648 0, 1) == 0) { 4649 workqueue_enqueue(adapter->recovery_mode_timer_wq, 4650 &adapter->recovery_mode_timer_wc, NULL); 4651 } 4652 } 4653 } 4654 4655 static void 4656 ixgbe_handle_recovery_mode_timer(struct work *wk, void *context) 4657 { 4658 struct adapter *adapter = context; 4659 struct ixgbe_hw *hw = &adapter->hw; 4660 4661 IXGBE_CORE_LOCK(adapter); 4662 if (ixgbe_fw_recovery_mode(hw)) { 4663 if (atomic_cas_uint(&adapter->recovery_mode, 0, 1)) { 4664 /* Firmware error detected, entering recovery mode */ 4665 device_printf(adapter->dev, "Firmware recovery mode detected. Limiting functionality. Refer to the Intel(R) Ethernet Adapters and Devices User Guide for details on firmware recovery mode.\n"); 4666 4667 if (hw->adapter_stopped == FALSE) 4668 ixgbe_stop_locked(adapter); 4669 } 4670 } else 4671 atomic_cas_uint(&adapter->recovery_mode, 1, 0); 4672 4673 atomic_store_relaxed(&adapter->recovery_mode_timer_pending, 0); 4674 callout_reset(&adapter->recovery_mode_timer, hz, 4675 ixgbe_recovery_mode_timer, adapter); 4676 IXGBE_CORE_UNLOCK(adapter); 4677 } /* ixgbe_handle_recovery_mode_timer */ 4678 4679 /************************************************************************ 4680 * ixgbe_handle_mod - Tasklet for SFP module interrupts 4681 * bool int_en: true if it's called when the interrupt is enabled. 4682 ************************************************************************/ 4683 static void 4684 ixgbe_handle_mod(void *context, bool int_en) 4685 { 4686 struct adapter *adapter = context; 4687 struct ixgbe_hw *hw = &adapter->hw; 4688 device_t dev = adapter->dev; 4689 enum ixgbe_sfp_type last_sfp_type; 4690 u32 err; 4691 bool last_unsupported_sfp_recovery; 4692 4693 KASSERT(mutex_owned(&adapter->core_mtx)); 4694 4695 last_sfp_type = hw->phy.sfp_type; 4696 last_unsupported_sfp_recovery = hw->need_unsupported_sfp_recovery; 4697 ++adapter->mod_workev.ev_count; 4698 if (adapter->hw.need_crosstalk_fix) { 4699 if ((hw->mac.type != ixgbe_mac_82598EB) && 4700 !ixgbe_sfp_cage_full(hw)) 4701 goto out; 4702 } 4703 4704 err = hw->phy.ops.identify_sfp(hw); 4705 if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) { 4706 if (last_unsupported_sfp_recovery == false) 4707 device_printf(dev, 4708 "Unsupported SFP+ module type was detected.\n"); 4709 goto out; 4710 } 4711 4712 if (hw->need_unsupported_sfp_recovery) { 4713 device_printf(dev, "Recovering from unsupported SFP\n"); 4714 /* 4715 * We could recover the status by calling setup_sfp(), 4716 * setup_link() and some others. It's complex and might not 4717 * work correctly on some unknown cases. To avoid such type of 4718 * problem, call ixgbe_init_locked(). It's simple and safe 4719 * approach. 4720 */ 4721 ixgbe_init_locked(adapter); 4722 } else if ((hw->phy.sfp_type != ixgbe_sfp_type_not_present) && 4723 (hw->phy.sfp_type != last_sfp_type)) { 4724 /* A module is inserted and changed. */ 4725 4726 if (hw->mac.type == ixgbe_mac_82598EB) 4727 err = hw->phy.ops.reset(hw); 4728 else { 4729 err = hw->mac.ops.setup_sfp(hw); 4730 hw->phy.sfp_setup_needed = FALSE; 4731 } 4732 if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) { 4733 device_printf(dev, 4734 "Setup failure - unsupported SFP+ module type.\n"); 4735 goto out; 4736 } 4737 } 4738 4739 out: 4740 /* get_supported_phy_layer will call hw->phy.ops.identify_sfp() */ 4741 adapter->phy_layer = ixgbe_get_supported_physical_layer(hw); 4742 4743 /* Adjust media types shown in ifconfig */ 4744 IXGBE_CORE_UNLOCK(adapter); 4745 ifmedia_removeall(&adapter->media); 4746 ixgbe_add_media_types(adapter); 4747 ifmedia_set(&adapter->media, IFM_ETHER | IFM_AUTO); 4748 IXGBE_CORE_LOCK(adapter); 4749 4750 /* 4751 * Don't shedule MSF event if the chip is 82598. 82598 doesn't support 4752 * MSF. At least, calling ixgbe_handle_msf on 82598 DA makes the link 4753 * flap because the function calls setup_link(). 4754 */ 4755 if (hw->mac.type != ixgbe_mac_82598EB) { 4756 mutex_enter(&adapter->admin_mtx); 4757 if (int_en) 4758 adapter->task_requests |= IXGBE_REQUEST_TASK_MSF; 4759 else 4760 adapter->task_requests |= IXGBE_REQUEST_TASK_MSF_WOI; 4761 mutex_exit(&adapter->admin_mtx); 4762 } 4763 4764 /* 4765 * Don't call ixgbe_schedule_admin_tasklet() because we are on 4766 * the workqueue now. 4767 */ 4768 } /* ixgbe_handle_mod */ 4769 4770 4771 /************************************************************************ 4772 * ixgbe_handle_msf - Tasklet for MSF (multispeed fiber) interrupts 4773 ************************************************************************/ 4774 static void 4775 ixgbe_handle_msf(void *context) 4776 { 4777 struct adapter *adapter = context; 4778 struct ixgbe_hw *hw = &adapter->hw; 4779 u32 autoneg; 4780 bool negotiate; 4781 4782 KASSERT(mutex_owned(&adapter->core_mtx)); 4783 4784 ++adapter->msf_workev.ev_count; 4785 4786 autoneg = hw->phy.autoneg_advertised; 4787 if ((!autoneg) && (hw->mac.ops.get_link_capabilities)) 4788 hw->mac.ops.get_link_capabilities(hw, &autoneg, &negotiate); 4789 if (hw->mac.ops.setup_link) 4790 hw->mac.ops.setup_link(hw, autoneg, TRUE); 4791 } /* ixgbe_handle_msf */ 4792 4793 /************************************************************************ 4794 * ixgbe_handle_phy - Tasklet for external PHY interrupts 4795 ************************************************************************/ 4796 static void 4797 ixgbe_handle_phy(void *context) 4798 { 4799 struct adapter *adapter = context; 4800 struct ixgbe_hw *hw = &adapter->hw; 4801 int error; 4802 4803 KASSERT(mutex_owned(&adapter->core_mtx)); 4804 4805 ++adapter->phy_workev.ev_count; 4806 error = hw->phy.ops.handle_lasi(hw); 4807 if (error == IXGBE_ERR_OVERTEMP) 4808 device_printf(adapter->dev, 4809 "CRITICAL: EXTERNAL PHY OVER TEMP!! " 4810 " PHY will downshift to lower power state!\n"); 4811 else if (error) 4812 device_printf(adapter->dev, 4813 "Error handling LASI interrupt: %d\n", error); 4814 } /* ixgbe_handle_phy */ 4815 4816 static void 4817 ixgbe_handle_admin(struct work *wk, void *context) 4818 { 4819 struct adapter *adapter = context; 4820 struct ifnet *ifp = adapter->ifp; 4821 struct ixgbe_hw *hw = &adapter->hw; 4822 u32 task_requests; 4823 u32 eims_enable = 0; 4824 4825 mutex_enter(&adapter->admin_mtx); 4826 adapter->admin_pending = 0; 4827 task_requests = adapter->task_requests; 4828 adapter->task_requests = 0; 4829 mutex_exit(&adapter->admin_mtx); 4830 4831 /* 4832 * Hold the IFNET_LOCK across this entire call. This will 4833 * prevent additional changes to adapter->phy_layer 4834 * and serialize calls to this tasklet. We cannot hold the 4835 * CORE_LOCK while calling into the ifmedia functions as 4836 * they call ifmedia_lock() and the lock is CORE_LOCK. 4837 */ 4838 IFNET_LOCK(ifp); 4839 IXGBE_CORE_LOCK(adapter); 4840 if ((task_requests & IXGBE_REQUEST_TASK_LSC) != 0) { 4841 ixgbe_handle_link(adapter); 4842 eims_enable |= IXGBE_EIMS_LSC; 4843 } 4844 if ((task_requests & IXGBE_REQUEST_TASK_MOD_WOI) != 0) { 4845 ixgbe_handle_mod(adapter, false); 4846 } 4847 if ((task_requests & IXGBE_REQUEST_TASK_MOD) != 0) { 4848 ixgbe_handle_mod(adapter, true); 4849 if (hw->mac.type >= ixgbe_mac_X540) 4850 eims_enable |= IXGBE_EICR_GPI_SDP0_X540; 4851 else 4852 eims_enable |= IXGBE_EICR_GPI_SDP2_BY_MAC(hw); 4853 } 4854 if ((task_requests 4855 & (IXGBE_REQUEST_TASK_MSF_WOI | IXGBE_REQUEST_TASK_MSF)) != 0) { 4856 ixgbe_handle_msf(adapter); 4857 if (((task_requests & IXGBE_REQUEST_TASK_MSF) != 0) && 4858 (hw->mac.type == ixgbe_mac_82599EB)) 4859 eims_enable |= IXGBE_EIMS_GPI_SDP1_BY_MAC(hw); 4860 } 4861 if ((task_requests & IXGBE_REQUEST_TASK_PHY) != 0) { 4862 ixgbe_handle_phy(adapter); 4863 eims_enable |= IXGBE_EICR_GPI_SDP0_X540; 4864 } 4865 if ((task_requests & IXGBE_REQUEST_TASK_FDIR) != 0) { 4866 ixgbe_reinit_fdir(adapter); 4867 eims_enable |= IXGBE_EIMS_FLOW_DIR; 4868 } 4869 #if 0 /* notyet */ 4870 if ((task_requests & IXGBE_REQUEST_TASK_MBX) != 0) { 4871 ixgbe_handle_mbx(adapter); 4872 eims_enable |= IXGBE_EIMS_MAILBOX; 4873 } 4874 #endif 4875 IXGBE_WRITE_REG(hw, IXGBE_EIMS, eims_enable); 4876 4877 IXGBE_CORE_UNLOCK(adapter); 4878 IFNET_UNLOCK(ifp); 4879 } /* ixgbe_handle_admin */ 4880 4881 static void 4882 ixgbe_ifstop(struct ifnet *ifp, int disable) 4883 { 4884 struct adapter *adapter = ifp->if_softc; 4885 4886 IXGBE_CORE_LOCK(adapter); 4887 ixgbe_stop_locked(adapter); 4888 IXGBE_CORE_UNLOCK(adapter); 4889 4890 workqueue_wait(adapter->timer_wq, &adapter->timer_wc); 4891 atomic_store_relaxed(&adapter->timer_pending, 0); 4892 } 4893 4894 /************************************************************************ 4895 * ixgbe_stop_locked - Stop the hardware 4896 * 4897 * Disables all traffic on the adapter by issuing a 4898 * global reset on the MAC and deallocates TX/RX buffers. 4899 ************************************************************************/ 4900 static void 4901 ixgbe_stop_locked(void *arg) 4902 { 4903 struct ifnet *ifp; 4904 struct adapter *adapter = arg; 4905 struct ixgbe_hw *hw = &adapter->hw; 4906 4907 ifp = adapter->ifp; 4908 4909 KASSERT(mutex_owned(&adapter->core_mtx)); 4910 4911 INIT_DEBUGOUT("ixgbe_stop_locked: begin\n"); 4912 ixgbe_disable_intr(adapter); 4913 callout_stop(&adapter->timer); 4914 4915 /* Don't schedule workqueues. */ 4916 adapter->schedule_wqs_ok = false; 4917 4918 /* Let the stack know...*/ 4919 ifp->if_flags &= ~IFF_RUNNING; 4920 4921 ixgbe_reset_hw(hw); 4922 hw->adapter_stopped = FALSE; 4923 ixgbe_stop_adapter(hw); 4924 if (hw->mac.type == ixgbe_mac_82599EB) 4925 ixgbe_stop_mac_link_on_d3_82599(hw); 4926 /* Turn off the laser - noop with no optics */ 4927 ixgbe_disable_tx_laser(hw); 4928 4929 /* Update the stack */ 4930 adapter->link_up = FALSE; 4931 ixgbe_update_link_status(adapter); 4932 4933 /* reprogram the RAR[0] in case user changed it. */ 4934 ixgbe_set_rar(&adapter->hw, 0, adapter->hw.mac.addr, 0, IXGBE_RAH_AV); 4935 4936 return; 4937 } /* ixgbe_stop_locked */ 4938 4939 /************************************************************************ 4940 * ixgbe_update_link_status - Update OS on link state 4941 * 4942 * Note: Only updates the OS on the cached link state. 4943 * The real check of the hardware only happens with 4944 * a link interrupt. 4945 ************************************************************************/ 4946 static void 4947 ixgbe_update_link_status(struct adapter *adapter) 4948 { 4949 struct ifnet *ifp = adapter->ifp; 4950 device_t dev = adapter->dev; 4951 struct ixgbe_hw *hw = &adapter->hw; 4952 4953 KASSERT(mutex_owned(&adapter->core_mtx)); 4954 4955 if (adapter->link_up) { 4956 if (adapter->link_active != LINK_STATE_UP) { 4957 /* 4958 * To eliminate influence of the previous state 4959 * in the same way as ixgbe_init_locked(). 4960 */ 4961 struct ix_queue *que = adapter->queues; 4962 for (int i = 0; i < adapter->num_queues; i++, que++) 4963 que->eitr_setting = 0; 4964 4965 if (adapter->link_speed == IXGBE_LINK_SPEED_10GB_FULL){ 4966 /* 4967 * Discard count for both MAC Local Fault and 4968 * Remote Fault because those registers are 4969 * valid only when the link speed is up and 4970 * 10Gbps. 4971 */ 4972 IXGBE_READ_REG(hw, IXGBE_MLFC); 4973 IXGBE_READ_REG(hw, IXGBE_MRFC); 4974 } 4975 4976 if (bootverbose) { 4977 const char *bpsmsg; 4978 4979 switch (adapter->link_speed) { 4980 case IXGBE_LINK_SPEED_10GB_FULL: 4981 bpsmsg = "10 Gbps"; 4982 break; 4983 case IXGBE_LINK_SPEED_5GB_FULL: 4984 bpsmsg = "5 Gbps"; 4985 break; 4986 case IXGBE_LINK_SPEED_2_5GB_FULL: 4987 bpsmsg = "2.5 Gbps"; 4988 break; 4989 case IXGBE_LINK_SPEED_1GB_FULL: 4990 bpsmsg = "1 Gbps"; 4991 break; 4992 case IXGBE_LINK_SPEED_100_FULL: 4993 bpsmsg = "100 Mbps"; 4994 break; 4995 case IXGBE_LINK_SPEED_10_FULL: 4996 bpsmsg = "10 Mbps"; 4997 break; 4998 default: 4999 bpsmsg = "unknown speed"; 5000 break; 5001 } 5002 device_printf(dev, "Link is up %s %s \n", 5003 bpsmsg, "Full Duplex"); 5004 } 5005 adapter->link_active = LINK_STATE_UP; 5006 /* Update any Flow Control changes */ 5007 ixgbe_fc_enable(&adapter->hw); 5008 /* Update DMA coalescing config */ 5009 ixgbe_config_dmac(adapter); 5010 if_link_state_change(ifp, LINK_STATE_UP); 5011 5012 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) 5013 ixgbe_ping_all_vfs(adapter); 5014 } 5015 } else { 5016 /* 5017 * Do it when link active changes to DOWN. i.e. 5018 * a) LINK_STATE_UNKNOWN -> LINK_STATE_DOWN 5019 * b) LINK_STATE_UP -> LINK_STATE_DOWN 5020 */ 5021 if (adapter->link_active != LINK_STATE_DOWN) { 5022 if (bootverbose) 5023 device_printf(dev, "Link is Down\n"); 5024 if_link_state_change(ifp, LINK_STATE_DOWN); 5025 adapter->link_active = LINK_STATE_DOWN; 5026 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) 5027 ixgbe_ping_all_vfs(adapter); 5028 ixgbe_drain_all(adapter); 5029 } 5030 } 5031 } /* ixgbe_update_link_status */ 5032 5033 /************************************************************************ 5034 * ixgbe_config_dmac - Configure DMA Coalescing 5035 ************************************************************************/ 5036 static void 5037 ixgbe_config_dmac(struct adapter *adapter) 5038 { 5039 struct ixgbe_hw *hw = &adapter->hw; 5040 struct ixgbe_dmac_config *dcfg = &hw->mac.dmac_config; 5041 5042 if (hw->mac.type < ixgbe_mac_X550 || !hw->mac.ops.dmac_config) 5043 return; 5044 5045 if (dcfg->watchdog_timer ^ adapter->dmac || 5046 dcfg->link_speed ^ adapter->link_speed) { 5047 dcfg->watchdog_timer = adapter->dmac; 5048 dcfg->fcoe_en = false; 5049 dcfg->link_speed = adapter->link_speed; 5050 dcfg->num_tcs = 1; 5051 5052 INIT_DEBUGOUT2("dmac settings: watchdog %d, link speed %d\n", 5053 dcfg->watchdog_timer, dcfg->link_speed); 5054 5055 hw->mac.ops.dmac_config(hw); 5056 } 5057 } /* ixgbe_config_dmac */ 5058 5059 /************************************************************************ 5060 * ixgbe_enable_intr 5061 ************************************************************************/ 5062 static void 5063 ixgbe_enable_intr(struct adapter *adapter) 5064 { 5065 struct ixgbe_hw *hw = &adapter->hw; 5066 struct ix_queue *que = adapter->queues; 5067 u32 mask, fwsm; 5068 5069 mask = (IXGBE_EIMS_ENABLE_MASK & ~IXGBE_EIMS_RTX_QUEUE); 5070 5071 switch (adapter->hw.mac.type) { 5072 case ixgbe_mac_82599EB: 5073 mask |= IXGBE_EIMS_ECC; 5074 /* Temperature sensor on some adapters */ 5075 mask |= IXGBE_EIMS_GPI_SDP0; 5076 /* SFP+ (RX_LOS_N & MOD_ABS_N) */ 5077 mask |= IXGBE_EIMS_GPI_SDP1; 5078 mask |= IXGBE_EIMS_GPI_SDP2; 5079 break; 5080 case ixgbe_mac_X540: 5081 /* Detect if Thermal Sensor is enabled */ 5082 fwsm = IXGBE_READ_REG(hw, IXGBE_FWSM); 5083 if (fwsm & IXGBE_FWSM_TS_ENABLED) 5084 mask |= IXGBE_EIMS_TS; 5085 mask |= IXGBE_EIMS_ECC; 5086 break; 5087 case ixgbe_mac_X550: 5088 /* MAC thermal sensor is automatically enabled */ 5089 mask |= IXGBE_EIMS_TS; 5090 mask |= IXGBE_EIMS_ECC; 5091 break; 5092 case ixgbe_mac_X550EM_x: 5093 case ixgbe_mac_X550EM_a: 5094 /* Some devices use SDP0 for important information */ 5095 if (hw->device_id == IXGBE_DEV_ID_X550EM_X_SFP || 5096 hw->device_id == IXGBE_DEV_ID_X550EM_A_SFP || 5097 hw->device_id == IXGBE_DEV_ID_X550EM_A_SFP_N || 5098 hw->device_id == IXGBE_DEV_ID_X550EM_X_10G_T) 5099 mask |= IXGBE_EIMS_GPI_SDP0_BY_MAC(hw); 5100 if (hw->phy.type == ixgbe_phy_x550em_ext_t) 5101 mask |= IXGBE_EICR_GPI_SDP0_X540; 5102 mask |= IXGBE_EIMS_ECC; 5103 break; 5104 default: 5105 break; 5106 } 5107 5108 /* Enable Fan Failure detection */ 5109 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) 5110 mask |= IXGBE_EIMS_GPI_SDP1; 5111 /* Enable SR-IOV */ 5112 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) 5113 mask |= IXGBE_EIMS_MAILBOX; 5114 /* Enable Flow Director */ 5115 if (adapter->feat_en & IXGBE_FEATURE_FDIR) 5116 mask |= IXGBE_EIMS_FLOW_DIR; 5117 5118 IXGBE_WRITE_REG(hw, IXGBE_EIMS, mask); 5119 5120 /* With MSI-X we use auto clear */ 5121 if (adapter->msix_mem) { 5122 /* 5123 * It's not required to set TCP_TIMER because we don't use 5124 * it. 5125 */ 5126 IXGBE_WRITE_REG(hw, IXGBE_EIAC, IXGBE_EIMS_RTX_QUEUE); 5127 } 5128 5129 /* 5130 * Now enable all queues, this is done separately to 5131 * allow for handling the extended (beyond 32) MSI-X 5132 * vectors that can be used by 82599 5133 */ 5134 for (int i = 0; i < adapter->num_queues; i++, que++) 5135 ixgbe_enable_queue(adapter, que->msix); 5136 5137 IXGBE_WRITE_FLUSH(hw); 5138 5139 } /* ixgbe_enable_intr */ 5140 5141 /************************************************************************ 5142 * ixgbe_disable_intr_internal 5143 ************************************************************************/ 5144 static void 5145 ixgbe_disable_intr_internal(struct adapter *adapter, bool nestok) 5146 { 5147 struct ix_queue *que = adapter->queues; 5148 5149 /* disable interrupts other than queues */ 5150 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, ~IXGBE_EIMC_RTX_QUEUE); 5151 5152 if (adapter->msix_mem) 5153 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIAC, 0); 5154 5155 for (int i = 0; i < adapter->num_queues; i++, que++) 5156 ixgbe_disable_queue_internal(adapter, que->msix, nestok); 5157 5158 IXGBE_WRITE_FLUSH(&adapter->hw); 5159 5160 } /* ixgbe_do_disable_intr_internal */ 5161 5162 /************************************************************************ 5163 * ixgbe_disable_intr 5164 ************************************************************************/ 5165 static void 5166 ixgbe_disable_intr(struct adapter *adapter) 5167 { 5168 5169 ixgbe_disable_intr_internal(adapter, true); 5170 } /* ixgbe_disable_intr */ 5171 5172 /************************************************************************ 5173 * ixgbe_ensure_disabled_intr 5174 ************************************************************************/ 5175 void 5176 ixgbe_ensure_disabled_intr(struct adapter *adapter) 5177 { 5178 5179 ixgbe_disable_intr_internal(adapter, false); 5180 } /* ixgbe_ensure_disabled_intr */ 5181 5182 /************************************************************************ 5183 * ixgbe_legacy_irq - Legacy Interrupt Service routine 5184 ************************************************************************/ 5185 static int 5186 ixgbe_legacy_irq(void *arg) 5187 { 5188 struct ix_queue *que = arg; 5189 struct adapter *adapter = que->adapter; 5190 struct ixgbe_hw *hw = &adapter->hw; 5191 struct tx_ring *txr = adapter->tx_rings; 5192 u32 eicr, eicr_mask; 5193 u32 eims_orig; 5194 u32 eims_enable = 0; 5195 u32 eims_disable = 0; 5196 u32 task_requests = 0; 5197 s32 retval; 5198 5199 eims_orig = IXGBE_READ_REG(hw, IXGBE_EIMS); 5200 /* 5201 * Silicon errata #26 on 82598. Disable all interrupts before reading 5202 * EICR. 5203 */ 5204 IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_IRQ_CLEAR_MASK); 5205 5206 /* Read and clear EICR */ 5207 eicr = IXGBE_READ_REG(hw, IXGBE_EICR); 5208 5209 adapter->stats.pf.legint.ev_count++; 5210 if (eicr == 0) { 5211 adapter->stats.pf.intzero.ev_count++; 5212 IXGBE_WRITE_REG(hw, IXGBE_EIMS, eims_orig); 5213 return 0; 5214 } 5215 5216 /* Queue (0) intr */ 5217 if ((eicr & IXGBE_EIMC_RTX_QUEUE) != 0) { 5218 ++que->irqs.ev_count; 5219 5220 /* 5221 * The same as ixgbe_msix_que() about 5222 * "que->txrx_use_workqueue". 5223 */ 5224 que->txrx_use_workqueue = adapter->txrx_use_workqueue; 5225 5226 IXGBE_TX_LOCK(txr); 5227 ixgbe_txeof(txr); 5228 #ifdef notyet 5229 if (!ixgbe_ring_empty(ifp, txr->br)) 5230 ixgbe_start_locked(ifp, txr); 5231 #endif 5232 IXGBE_TX_UNLOCK(txr); 5233 5234 que->req.ev_count++; 5235 ixgbe_sched_handle_que(adapter, que); 5236 /* Disable queue 0 interrupt */ 5237 eims_disable |= 1UL << 0; 5238 5239 } else 5240 eims_enable |= IXGBE_EIMC_RTX_QUEUE; 5241 5242 /* Link status change */ 5243 if (eicr & IXGBE_EICR_LSC) { 5244 task_requests |= IXGBE_REQUEST_TASK_LSC; 5245 eims_disable |= IXGBE_EIMS_LSC; 5246 } 5247 5248 if (ixgbe_is_sfp(hw)) { 5249 /* Pluggable optics-related interrupt */ 5250 if (hw->mac.type >= ixgbe_mac_X540) 5251 eicr_mask = IXGBE_EICR_GPI_SDP0_X540; 5252 else 5253 eicr_mask = IXGBE_EICR_GPI_SDP2_BY_MAC(hw); 5254 5255 /* 5256 * An interrupt might not arrive when a module is inserted. 5257 * When an link status change interrupt occurred and the driver 5258 * still regard SFP as unplugged, issue the module softint 5259 * and then issue LSC interrupt. 5260 */ 5261 if ((eicr & eicr_mask) 5262 || ((hw->phy.sfp_type == ixgbe_sfp_type_not_present) 5263 && (eicr & IXGBE_EICR_LSC))) { 5264 task_requests |= IXGBE_REQUEST_TASK_MOD; 5265 eims_disable |= IXGBE_EIMS_LSC; 5266 } 5267 5268 if ((hw->mac.type == ixgbe_mac_82599EB) && 5269 (eicr & IXGBE_EICR_GPI_SDP1_BY_MAC(hw))) { 5270 task_requests |= IXGBE_REQUEST_TASK_MSF; 5271 eims_disable |= IXGBE_EIMS_GPI_SDP1_BY_MAC(hw); 5272 } 5273 } 5274 5275 /* Check for fan failure */ 5276 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) { 5277 retval = ixgbe_check_fan_failure(adapter, eicr, true); 5278 if (retval == IXGBE_ERR_FAN_FAILURE) { 5279 /* Disable interrupt to prevent log spam */ 5280 eims_disable |= IXGBE_EIMS_GPI_SDP1_BY_MAC(hw); 5281 } 5282 } 5283 5284 /* External PHY interrupt */ 5285 if ((hw->phy.type == ixgbe_phy_x550em_ext_t) && 5286 (eicr & IXGBE_EICR_GPI_SDP0_X540)) { 5287 task_requests |= IXGBE_REQUEST_TASK_PHY; 5288 eims_disable |= IXGBE_EICR_GPI_SDP0_X540; 5289 } 5290 5291 if (task_requests != 0) { 5292 mutex_enter(&adapter->admin_mtx); 5293 adapter->task_requests |= task_requests; 5294 ixgbe_schedule_admin_tasklet(adapter); 5295 mutex_exit(&adapter->admin_mtx); 5296 } 5297 5298 /* Re-enable some interrupts */ 5299 IXGBE_WRITE_REG(hw, IXGBE_EIMS, 5300 (eims_orig & ~eims_disable) | eims_enable); 5301 5302 return 1; 5303 } /* ixgbe_legacy_irq */ 5304 5305 /************************************************************************ 5306 * ixgbe_free_pciintr_resources 5307 ************************************************************************/ 5308 static void 5309 ixgbe_free_pciintr_resources(struct adapter *adapter) 5310 { 5311 struct ix_queue *que = adapter->queues; 5312 int rid; 5313 5314 /* 5315 * Release all msix queue resources: 5316 */ 5317 for (int i = 0; i < adapter->num_queues; i++, que++) { 5318 if (que->res != NULL) { 5319 pci_intr_disestablish(adapter->osdep.pc, 5320 adapter->osdep.ihs[i]); 5321 adapter->osdep.ihs[i] = NULL; 5322 } 5323 } 5324 5325 /* Clean the Legacy or Link interrupt last */ 5326 if (adapter->vector) /* we are doing MSIX */ 5327 rid = adapter->vector; 5328 else 5329 rid = 0; 5330 5331 if (adapter->osdep.ihs[rid] != NULL) { 5332 pci_intr_disestablish(adapter->osdep.pc, 5333 adapter->osdep.ihs[rid]); 5334 adapter->osdep.ihs[rid] = NULL; 5335 } 5336 5337 if (adapter->osdep.intrs != NULL) { 5338 pci_intr_release(adapter->osdep.pc, adapter->osdep.intrs, 5339 adapter->osdep.nintrs); 5340 adapter->osdep.intrs = NULL; 5341 } 5342 } /* ixgbe_free_pciintr_resources */ 5343 5344 /************************************************************************ 5345 * ixgbe_free_pci_resources 5346 ************************************************************************/ 5347 static void 5348 ixgbe_free_pci_resources(struct adapter *adapter) 5349 { 5350 5351 ixgbe_free_pciintr_resources(adapter); 5352 5353 if (adapter->osdep.mem_size != 0) { 5354 bus_space_unmap(adapter->osdep.mem_bus_space_tag, 5355 adapter->osdep.mem_bus_space_handle, 5356 adapter->osdep.mem_size); 5357 } 5358 5359 } /* ixgbe_free_pci_resources */ 5360 5361 /************************************************************************ 5362 * ixgbe_set_sysctl_value 5363 ************************************************************************/ 5364 static void 5365 ixgbe_set_sysctl_value(struct adapter *adapter, const char *name, 5366 const char *description, int *limit, int value) 5367 { 5368 device_t dev = adapter->dev; 5369 struct sysctllog **log; 5370 const struct sysctlnode *rnode, *cnode; 5371 5372 /* 5373 * It's not required to check recovery mode because this function never 5374 * touches hardware. 5375 */ 5376 5377 log = &adapter->sysctllog; 5378 if ((rnode = ixgbe_sysctl_instance(adapter)) == NULL) { 5379 aprint_error_dev(dev, "could not create sysctl root\n"); 5380 return; 5381 } 5382 if (sysctl_createv(log, 0, &rnode, &cnode, 5383 CTLFLAG_READWRITE, CTLTYPE_INT, 5384 name, SYSCTL_DESCR(description), 5385 NULL, 0, limit, 0, CTL_CREATE, CTL_EOL) != 0) 5386 aprint_error_dev(dev, "could not create sysctl\n"); 5387 *limit = value; 5388 } /* ixgbe_set_sysctl_value */ 5389 5390 /************************************************************************ 5391 * ixgbe_sysctl_flowcntl 5392 * 5393 * SYSCTL wrapper around setting Flow Control 5394 ************************************************************************/ 5395 static int 5396 ixgbe_sysctl_flowcntl(SYSCTLFN_ARGS) 5397 { 5398 struct sysctlnode node = *rnode; 5399 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5400 int error, fc; 5401 5402 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5403 return (EPERM); 5404 5405 fc = adapter->hw.fc.current_mode; 5406 node.sysctl_data = &fc; 5407 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5408 if (error != 0 || newp == NULL) 5409 return error; 5410 5411 /* Don't bother if it's not changed */ 5412 if (fc == adapter->hw.fc.current_mode) 5413 return (0); 5414 5415 return ixgbe_set_flowcntl(adapter, fc); 5416 } /* ixgbe_sysctl_flowcntl */ 5417 5418 /************************************************************************ 5419 * ixgbe_set_flowcntl - Set flow control 5420 * 5421 * Flow control values: 5422 * 0 - off 5423 * 1 - rx pause 5424 * 2 - tx pause 5425 * 3 - full 5426 ************************************************************************/ 5427 static int 5428 ixgbe_set_flowcntl(struct adapter *adapter, int fc) 5429 { 5430 switch (fc) { 5431 case ixgbe_fc_rx_pause: 5432 case ixgbe_fc_tx_pause: 5433 case ixgbe_fc_full: 5434 adapter->hw.fc.requested_mode = fc; 5435 if (adapter->num_queues > 1) 5436 ixgbe_disable_rx_drop(adapter); 5437 break; 5438 case ixgbe_fc_none: 5439 adapter->hw.fc.requested_mode = ixgbe_fc_none; 5440 if (adapter->num_queues > 1) 5441 ixgbe_enable_rx_drop(adapter); 5442 break; 5443 default: 5444 return (EINVAL); 5445 } 5446 5447 #if 0 /* XXX NetBSD */ 5448 /* Don't autoneg if forcing a value */ 5449 adapter->hw.fc.disable_fc_autoneg = TRUE; 5450 #endif 5451 ixgbe_fc_enable(&adapter->hw); 5452 5453 return (0); 5454 } /* ixgbe_set_flowcntl */ 5455 5456 /************************************************************************ 5457 * ixgbe_enable_rx_drop 5458 * 5459 * Enable the hardware to drop packets when the buffer is 5460 * full. This is useful with multiqueue, so that no single 5461 * queue being full stalls the entire RX engine. We only 5462 * enable this when Multiqueue is enabled AND Flow Control 5463 * is disabled. 5464 ************************************************************************/ 5465 static void 5466 ixgbe_enable_rx_drop(struct adapter *adapter) 5467 { 5468 struct ixgbe_hw *hw = &adapter->hw; 5469 struct rx_ring *rxr; 5470 u32 srrctl; 5471 5472 for (int i = 0; i < adapter->num_queues; i++) { 5473 rxr = &adapter->rx_rings[i]; 5474 srrctl = IXGBE_READ_REG(hw, IXGBE_SRRCTL(rxr->me)); 5475 srrctl |= IXGBE_SRRCTL_DROP_EN; 5476 IXGBE_WRITE_REG(hw, IXGBE_SRRCTL(rxr->me), srrctl); 5477 } 5478 5479 /* enable drop for each vf */ 5480 for (int i = 0; i < adapter->num_vfs; i++) { 5481 IXGBE_WRITE_REG(hw, IXGBE_QDE, 5482 (IXGBE_QDE_WRITE | (i << IXGBE_QDE_IDX_SHIFT) | 5483 IXGBE_QDE_ENABLE)); 5484 } 5485 } /* ixgbe_enable_rx_drop */ 5486 5487 /************************************************************************ 5488 * ixgbe_disable_rx_drop 5489 ************************************************************************/ 5490 static void 5491 ixgbe_disable_rx_drop(struct adapter *adapter) 5492 { 5493 struct ixgbe_hw *hw = &adapter->hw; 5494 struct rx_ring *rxr; 5495 u32 srrctl; 5496 5497 for (int i = 0; i < adapter->num_queues; i++) { 5498 rxr = &adapter->rx_rings[i]; 5499 srrctl = IXGBE_READ_REG(hw, IXGBE_SRRCTL(rxr->me)); 5500 srrctl &= ~IXGBE_SRRCTL_DROP_EN; 5501 IXGBE_WRITE_REG(hw, IXGBE_SRRCTL(rxr->me), srrctl); 5502 } 5503 5504 /* disable drop for each vf */ 5505 for (int i = 0; i < adapter->num_vfs; i++) { 5506 IXGBE_WRITE_REG(hw, IXGBE_QDE, 5507 (IXGBE_QDE_WRITE | (i << IXGBE_QDE_IDX_SHIFT))); 5508 } 5509 } /* ixgbe_disable_rx_drop */ 5510 5511 /************************************************************************ 5512 * ixgbe_sysctl_advertise 5513 * 5514 * SYSCTL wrapper around setting advertised speed 5515 ************************************************************************/ 5516 static int 5517 ixgbe_sysctl_advertise(SYSCTLFN_ARGS) 5518 { 5519 struct sysctlnode node = *rnode; 5520 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5521 int error = 0, advertise; 5522 5523 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5524 return (EPERM); 5525 5526 advertise = adapter->advertise; 5527 node.sysctl_data = &advertise; 5528 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5529 if (error != 0 || newp == NULL) 5530 return error; 5531 5532 return ixgbe_set_advertise(adapter, advertise); 5533 } /* ixgbe_sysctl_advertise */ 5534 5535 /************************************************************************ 5536 * ixgbe_set_advertise - Control advertised link speed 5537 * 5538 * Flags: 5539 * 0x00 - Default (all capable link speed) 5540 * 0x01 - advertise 100 Mb 5541 * 0x02 - advertise 1G 5542 * 0x04 - advertise 10G 5543 * 0x08 - advertise 10 Mb 5544 * 0x10 - advertise 2.5G 5545 * 0x20 - advertise 5G 5546 ************************************************************************/ 5547 static int 5548 ixgbe_set_advertise(struct adapter *adapter, int advertise) 5549 { 5550 device_t dev; 5551 struct ixgbe_hw *hw; 5552 ixgbe_link_speed speed = 0; 5553 ixgbe_link_speed link_caps = 0; 5554 s32 err = IXGBE_NOT_IMPLEMENTED; 5555 bool negotiate = FALSE; 5556 5557 /* Checks to validate new value */ 5558 if (adapter->advertise == advertise) /* no change */ 5559 return (0); 5560 5561 dev = adapter->dev; 5562 hw = &adapter->hw; 5563 5564 /* No speed changes for backplane media */ 5565 if (hw->phy.media_type == ixgbe_media_type_backplane) 5566 return (ENODEV); 5567 5568 if (!((hw->phy.media_type == ixgbe_media_type_copper) || 5569 (hw->phy.multispeed_fiber))) { 5570 device_printf(dev, 5571 "Advertised speed can only be set on copper or " 5572 "multispeed fiber media types.\n"); 5573 return (EINVAL); 5574 } 5575 5576 if (advertise < 0x0 || advertise > 0x3f) { 5577 device_printf(dev, 5578 "Invalid advertised speed; valid modes are 0x0 through 0x3f\n"); 5579 return (EINVAL); 5580 } 5581 5582 if (hw->mac.ops.get_link_capabilities) { 5583 err = hw->mac.ops.get_link_capabilities(hw, &link_caps, 5584 &negotiate); 5585 if (err != IXGBE_SUCCESS) { 5586 device_printf(dev, "Unable to determine supported advertise speeds\n"); 5587 return (ENODEV); 5588 } 5589 } 5590 5591 /* Set new value and report new advertised mode */ 5592 if (advertise & 0x1) { 5593 if (!(link_caps & IXGBE_LINK_SPEED_100_FULL)) { 5594 device_printf(dev, "Interface does not support 100Mb advertised speed\n"); 5595 return (EINVAL); 5596 } 5597 speed |= IXGBE_LINK_SPEED_100_FULL; 5598 } 5599 if (advertise & 0x2) { 5600 if (!(link_caps & IXGBE_LINK_SPEED_1GB_FULL)) { 5601 device_printf(dev, "Interface does not support 1Gb advertised speed\n"); 5602 return (EINVAL); 5603 } 5604 speed |= IXGBE_LINK_SPEED_1GB_FULL; 5605 } 5606 if (advertise & 0x4) { 5607 if (!(link_caps & IXGBE_LINK_SPEED_10GB_FULL)) { 5608 device_printf(dev, "Interface does not support 10Gb advertised speed\n"); 5609 return (EINVAL); 5610 } 5611 speed |= IXGBE_LINK_SPEED_10GB_FULL; 5612 } 5613 if (advertise & 0x8) { 5614 if (!(link_caps & IXGBE_LINK_SPEED_10_FULL)) { 5615 device_printf(dev, "Interface does not support 10Mb advertised speed\n"); 5616 return (EINVAL); 5617 } 5618 speed |= IXGBE_LINK_SPEED_10_FULL; 5619 } 5620 if (advertise & 0x10) { 5621 if (!(link_caps & IXGBE_LINK_SPEED_2_5GB_FULL)) { 5622 device_printf(dev, "Interface does not support 2.5Gb advertised speed\n"); 5623 return (EINVAL); 5624 } 5625 speed |= IXGBE_LINK_SPEED_2_5GB_FULL; 5626 } 5627 if (advertise & 0x20) { 5628 if (!(link_caps & IXGBE_LINK_SPEED_5GB_FULL)) { 5629 device_printf(dev, "Interface does not support 5Gb advertised speed\n"); 5630 return (EINVAL); 5631 } 5632 speed |= IXGBE_LINK_SPEED_5GB_FULL; 5633 } 5634 if (advertise == 0) 5635 speed = link_caps; /* All capable link speed */ 5636 5637 hw->mac.autotry_restart = TRUE; 5638 hw->mac.ops.setup_link(hw, speed, TRUE); 5639 adapter->advertise = advertise; 5640 5641 return (0); 5642 } /* ixgbe_set_advertise */ 5643 5644 /************************************************************************ 5645 * ixgbe_get_advertise - Get current advertised speed settings 5646 * 5647 * Formatted for sysctl usage. 5648 * Flags: 5649 * 0x01 - advertise 100 Mb 5650 * 0x02 - advertise 1G 5651 * 0x04 - advertise 10G 5652 * 0x08 - advertise 10 Mb (yes, Mb) 5653 * 0x10 - advertise 2.5G 5654 * 0x20 - advertise 5G 5655 ************************************************************************/ 5656 static int 5657 ixgbe_get_advertise(struct adapter *adapter) 5658 { 5659 struct ixgbe_hw *hw = &adapter->hw; 5660 int speed; 5661 ixgbe_link_speed link_caps = 0; 5662 s32 err; 5663 bool negotiate = FALSE; 5664 5665 /* 5666 * Advertised speed means nothing unless it's copper or 5667 * multi-speed fiber 5668 */ 5669 if (!(hw->phy.media_type == ixgbe_media_type_copper) && 5670 !(hw->phy.multispeed_fiber)) 5671 return (0); 5672 5673 err = hw->mac.ops.get_link_capabilities(hw, &link_caps, &negotiate); 5674 if (err != IXGBE_SUCCESS) 5675 return (0); 5676 5677 speed = 5678 ((link_caps & IXGBE_LINK_SPEED_10GB_FULL) ? 0x04 : 0) | 5679 ((link_caps & IXGBE_LINK_SPEED_1GB_FULL) ? 0x02 : 0) | 5680 ((link_caps & IXGBE_LINK_SPEED_100_FULL) ? 0x01 : 0) | 5681 ((link_caps & IXGBE_LINK_SPEED_10_FULL) ? 0x08 : 0) | 5682 ((link_caps & IXGBE_LINK_SPEED_2_5GB_FULL) ? 0x10 : 0) | 5683 ((link_caps & IXGBE_LINK_SPEED_5GB_FULL) ? 0x20 : 0); 5684 5685 return speed; 5686 } /* ixgbe_get_advertise */ 5687 5688 /************************************************************************ 5689 * ixgbe_sysctl_dmac - Manage DMA Coalescing 5690 * 5691 * Control values: 5692 * 0/1 - off / on (use default value of 1000) 5693 * 5694 * Legal timer values are: 5695 * 50,100,250,500,1000,2000,5000,10000 5696 * 5697 * Turning off interrupt moderation will also turn this off. 5698 ************************************************************************/ 5699 static int 5700 ixgbe_sysctl_dmac(SYSCTLFN_ARGS) 5701 { 5702 struct sysctlnode node = *rnode; 5703 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5704 struct ifnet *ifp = adapter->ifp; 5705 int error; 5706 int newval; 5707 5708 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5709 return (EPERM); 5710 5711 newval = adapter->dmac; 5712 node.sysctl_data = &newval; 5713 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5714 if ((error) || (newp == NULL)) 5715 return (error); 5716 5717 switch (newval) { 5718 case 0: 5719 /* Disabled */ 5720 adapter->dmac = 0; 5721 break; 5722 case 1: 5723 /* Enable and use default */ 5724 adapter->dmac = 1000; 5725 break; 5726 case 50: 5727 case 100: 5728 case 250: 5729 case 500: 5730 case 1000: 5731 case 2000: 5732 case 5000: 5733 case 10000: 5734 /* Legal values - allow */ 5735 adapter->dmac = newval; 5736 break; 5737 default: 5738 /* Do nothing, illegal value */ 5739 return (EINVAL); 5740 } 5741 5742 /* Re-initialize hardware if it's already running */ 5743 if (ifp->if_flags & IFF_RUNNING) 5744 ifp->if_init(ifp); 5745 5746 return (0); 5747 } 5748 5749 #ifdef IXGBE_DEBUG 5750 /************************************************************************ 5751 * ixgbe_sysctl_power_state 5752 * 5753 * Sysctl to test power states 5754 * Values: 5755 * 0 - set device to D0 5756 * 3 - set device to D3 5757 * (none) - get current device power state 5758 ************************************************************************/ 5759 static int 5760 ixgbe_sysctl_power_state(SYSCTLFN_ARGS) 5761 { 5762 #ifdef notyet 5763 struct sysctlnode node = *rnode; 5764 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5765 device_t dev = adapter->dev; 5766 int curr_ps, new_ps, error = 0; 5767 5768 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5769 return (EPERM); 5770 5771 curr_ps = new_ps = pci_get_powerstate(dev); 5772 5773 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5774 if ((error) || (req->newp == NULL)) 5775 return (error); 5776 5777 if (new_ps == curr_ps) 5778 return (0); 5779 5780 if (new_ps == 3 && curr_ps == 0) 5781 error = DEVICE_SUSPEND(dev); 5782 else if (new_ps == 0 && curr_ps == 3) 5783 error = DEVICE_RESUME(dev); 5784 else 5785 return (EINVAL); 5786 5787 device_printf(dev, "New state: %d\n", pci_get_powerstate(dev)); 5788 5789 return (error); 5790 #else 5791 return 0; 5792 #endif 5793 } /* ixgbe_sysctl_power_state */ 5794 #endif 5795 5796 /************************************************************************ 5797 * ixgbe_sysctl_wol_enable 5798 * 5799 * Sysctl to enable/disable the WoL capability, 5800 * if supported by the adapter. 5801 * 5802 * Values: 5803 * 0 - disabled 5804 * 1 - enabled 5805 ************************************************************************/ 5806 static int 5807 ixgbe_sysctl_wol_enable(SYSCTLFN_ARGS) 5808 { 5809 struct sysctlnode node = *rnode; 5810 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5811 struct ixgbe_hw *hw = &adapter->hw; 5812 bool new_wol_enabled; 5813 int error = 0; 5814 5815 /* 5816 * It's not required to check recovery mode because this function never 5817 * touches hardware. 5818 */ 5819 new_wol_enabled = hw->wol_enabled; 5820 node.sysctl_data = &new_wol_enabled; 5821 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5822 if ((error) || (newp == NULL)) 5823 return (error); 5824 if (new_wol_enabled == hw->wol_enabled) 5825 return (0); 5826 5827 if (new_wol_enabled && !adapter->wol_support) 5828 return (ENODEV); 5829 else 5830 hw->wol_enabled = new_wol_enabled; 5831 5832 return (0); 5833 } /* ixgbe_sysctl_wol_enable */ 5834 5835 /************************************************************************ 5836 * ixgbe_sysctl_wufc - Wake Up Filter Control 5837 * 5838 * Sysctl to enable/disable the types of packets that the 5839 * adapter will wake up on upon receipt. 5840 * Flags: 5841 * 0x1 - Link Status Change 5842 * 0x2 - Magic Packet 5843 * 0x4 - Direct Exact 5844 * 0x8 - Directed Multicast 5845 * 0x10 - Broadcast 5846 * 0x20 - ARP/IPv4 Request Packet 5847 * 0x40 - Direct IPv4 Packet 5848 * 0x80 - Direct IPv6 Packet 5849 * 5850 * Settings not listed above will cause the sysctl to return an error. 5851 ************************************************************************/ 5852 static int 5853 ixgbe_sysctl_wufc(SYSCTLFN_ARGS) 5854 { 5855 struct sysctlnode node = *rnode; 5856 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5857 int error = 0; 5858 u32 new_wufc; 5859 5860 /* 5861 * It's not required to check recovery mode because this function never 5862 * touches hardware. 5863 */ 5864 new_wufc = adapter->wufc; 5865 node.sysctl_data = &new_wufc; 5866 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5867 if ((error) || (newp == NULL)) 5868 return (error); 5869 if (new_wufc == adapter->wufc) 5870 return (0); 5871 5872 if (new_wufc & 0xffffff00) 5873 return (EINVAL); 5874 5875 new_wufc &= 0xff; 5876 new_wufc |= (0xffffff & adapter->wufc); 5877 adapter->wufc = new_wufc; 5878 5879 return (0); 5880 } /* ixgbe_sysctl_wufc */ 5881 5882 #ifdef IXGBE_DEBUG 5883 /************************************************************************ 5884 * ixgbe_sysctl_print_rss_config 5885 ************************************************************************/ 5886 static int 5887 ixgbe_sysctl_print_rss_config(SYSCTLFN_ARGS) 5888 { 5889 #ifdef notyet 5890 struct sysctlnode node = *rnode; 5891 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5892 struct ixgbe_hw *hw = &adapter->hw; 5893 device_t dev = adapter->dev; 5894 struct sbuf *buf; 5895 int error = 0, reta_size; 5896 u32 reg; 5897 5898 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5899 return (EPERM); 5900 5901 buf = sbuf_new_for_sysctl(NULL, NULL, 128, req); 5902 if (!buf) { 5903 device_printf(dev, "Could not allocate sbuf for output.\n"); 5904 return (ENOMEM); 5905 } 5906 5907 // TODO: use sbufs to make a string to print out 5908 /* Set multiplier for RETA setup and table size based on MAC */ 5909 switch (adapter->hw.mac.type) { 5910 case ixgbe_mac_X550: 5911 case ixgbe_mac_X550EM_x: 5912 case ixgbe_mac_X550EM_a: 5913 reta_size = 128; 5914 break; 5915 default: 5916 reta_size = 32; 5917 break; 5918 } 5919 5920 /* Print out the redirection table */ 5921 sbuf_cat(buf, "\n"); 5922 for (int i = 0; i < reta_size; i++) { 5923 if (i < 32) { 5924 reg = IXGBE_READ_REG(hw, IXGBE_RETA(i)); 5925 sbuf_printf(buf, "RETA(%2d): 0x%08x\n", i, reg); 5926 } else { 5927 reg = IXGBE_READ_REG(hw, IXGBE_ERETA(i - 32)); 5928 sbuf_printf(buf, "ERETA(%2d): 0x%08x\n", i - 32, reg); 5929 } 5930 } 5931 5932 // TODO: print more config 5933 5934 error = sbuf_finish(buf); 5935 if (error) 5936 device_printf(dev, "Error finishing sbuf: %d\n", error); 5937 5938 sbuf_delete(buf); 5939 #endif 5940 return (0); 5941 } /* ixgbe_sysctl_print_rss_config */ 5942 #endif /* IXGBE_DEBUG */ 5943 5944 /************************************************************************ 5945 * ixgbe_sysctl_phy_temp - Retrieve temperature of PHY 5946 * 5947 * For X552/X557-AT devices using an external PHY 5948 ************************************************************************/ 5949 static int 5950 ixgbe_sysctl_phy_temp(SYSCTLFN_ARGS) 5951 { 5952 struct sysctlnode node = *rnode; 5953 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5954 struct ixgbe_hw *hw = &adapter->hw; 5955 int val; 5956 u16 reg; 5957 int error; 5958 5959 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5960 return (EPERM); 5961 5962 if (hw->device_id != IXGBE_DEV_ID_X550EM_X_10G_T) { 5963 device_printf(adapter->dev, 5964 "Device has no supported external thermal sensor.\n"); 5965 return (ENODEV); 5966 } 5967 5968 if (hw->phy.ops.read_reg(hw, IXGBE_PHY_CURRENT_TEMP, 5969 IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, ®)) { 5970 device_printf(adapter->dev, 5971 "Error reading from PHY's current temperature register\n"); 5972 return (EAGAIN); 5973 } 5974 5975 node.sysctl_data = &val; 5976 5977 /* Shift temp for output */ 5978 val = reg >> 8; 5979 5980 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5981 if ((error) || (newp == NULL)) 5982 return (error); 5983 5984 return (0); 5985 } /* ixgbe_sysctl_phy_temp */ 5986 5987 /************************************************************************ 5988 * ixgbe_sysctl_phy_overtemp_occurred 5989 * 5990 * Reports (directly from the PHY) whether the current PHY 5991 * temperature is over the overtemp threshold. 5992 ************************************************************************/ 5993 static int 5994 ixgbe_sysctl_phy_overtemp_occurred(SYSCTLFN_ARGS) 5995 { 5996 struct sysctlnode node = *rnode; 5997 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5998 struct ixgbe_hw *hw = &adapter->hw; 5999 int val, error; 6000 u16 reg; 6001 6002 if (ixgbe_fw_recovery_mode_swflag(adapter)) 6003 return (EPERM); 6004 6005 if (hw->device_id != IXGBE_DEV_ID_X550EM_X_10G_T) { 6006 device_printf(adapter->dev, 6007 "Device has no supported external thermal sensor.\n"); 6008 return (ENODEV); 6009 } 6010 6011 if (hw->phy.ops.read_reg(hw, IXGBE_PHY_OVERTEMP_STATUS, 6012 IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, ®)) { 6013 device_printf(adapter->dev, 6014 "Error reading from PHY's temperature status register\n"); 6015 return (EAGAIN); 6016 } 6017 6018 node.sysctl_data = &val; 6019 6020 /* Get occurrence bit */ 6021 val = !!(reg & 0x4000); 6022 6023 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 6024 if ((error) || (newp == NULL)) 6025 return (error); 6026 6027 return (0); 6028 } /* ixgbe_sysctl_phy_overtemp_occurred */ 6029 6030 /************************************************************************ 6031 * ixgbe_sysctl_eee_state 6032 * 6033 * Sysctl to set EEE power saving feature 6034 * Values: 6035 * 0 - disable EEE 6036 * 1 - enable EEE 6037 * (none) - get current device EEE state 6038 ************************************************************************/ 6039 static int 6040 ixgbe_sysctl_eee_state(SYSCTLFN_ARGS) 6041 { 6042 struct sysctlnode node = *rnode; 6043 struct adapter *adapter = (struct adapter *)node.sysctl_data; 6044 struct ifnet *ifp = adapter->ifp; 6045 device_t dev = adapter->dev; 6046 int curr_eee, new_eee, error = 0; 6047 s32 retval; 6048 6049 if (ixgbe_fw_recovery_mode_swflag(adapter)) 6050 return (EPERM); 6051 6052 curr_eee = new_eee = !!(adapter->feat_en & IXGBE_FEATURE_EEE); 6053 node.sysctl_data = &new_eee; 6054 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 6055 if ((error) || (newp == NULL)) 6056 return (error); 6057 6058 /* Nothing to do */ 6059 if (new_eee == curr_eee) 6060 return (0); 6061 6062 /* Not supported */ 6063 if (!(adapter->feat_cap & IXGBE_FEATURE_EEE)) 6064 return (EINVAL); 6065 6066 /* Bounds checking */ 6067 if ((new_eee < 0) || (new_eee > 1)) 6068 return (EINVAL); 6069 6070 retval = ixgbe_setup_eee(&adapter->hw, new_eee); 6071 if (retval) { 6072 device_printf(dev, "Error in EEE setup: 0x%08X\n", retval); 6073 return (EINVAL); 6074 } 6075 6076 /* Restart auto-neg */ 6077 ifp->if_init(ifp); 6078 6079 device_printf(dev, "New EEE state: %d\n", new_eee); 6080 6081 /* Cache new value */ 6082 if (new_eee) 6083 adapter->feat_en |= IXGBE_FEATURE_EEE; 6084 else 6085 adapter->feat_en &= ~IXGBE_FEATURE_EEE; 6086 6087 return (error); 6088 } /* ixgbe_sysctl_eee_state */ 6089 6090 #define PRINTQS(adapter, regname) \ 6091 do { \ 6092 struct ixgbe_hw *_hw = &(adapter)->hw; \ 6093 int _i; \ 6094 \ 6095 printf("%s: %s", device_xname((adapter)->dev), #regname); \ 6096 for (_i = 0; _i < (adapter)->num_queues; _i++) { \ 6097 printf((_i == 0) ? "\t" : " "); \ 6098 printf("%08x", IXGBE_READ_REG(_hw, \ 6099 IXGBE_##regname(_i))); \ 6100 } \ 6101 printf("\n"); \ 6102 } while (0) 6103 6104 /************************************************************************ 6105 * ixgbe_print_debug_info 6106 * 6107 * Called only when em_display_debug_stats is enabled. 6108 * Provides a way to take a look at important statistics 6109 * maintained by the driver and hardware. 6110 ************************************************************************/ 6111 static void 6112 ixgbe_print_debug_info(struct adapter *adapter) 6113 { 6114 device_t dev = adapter->dev; 6115 struct ixgbe_hw *hw = &adapter->hw; 6116 int table_size; 6117 int i; 6118 6119 switch (adapter->hw.mac.type) { 6120 case ixgbe_mac_X550: 6121 case ixgbe_mac_X550EM_x: 6122 case ixgbe_mac_X550EM_a: 6123 table_size = 128; 6124 break; 6125 default: 6126 table_size = 32; 6127 break; 6128 } 6129 6130 device_printf(dev, "[E]RETA:\n"); 6131 for (i = 0; i < table_size; i++) { 6132 if (i < 32) 6133 printf("%02x: %08x\n", i, IXGBE_READ_REG(hw, 6134 IXGBE_RETA(i))); 6135 else 6136 printf("%02x: %08x\n", i, IXGBE_READ_REG(hw, 6137 IXGBE_ERETA(i - 32))); 6138 } 6139 6140 device_printf(dev, "queue:"); 6141 for (i = 0; i < adapter->num_queues; i++) { 6142 printf((i == 0) ? "\t" : " "); 6143 printf("%8d", i); 6144 } 6145 printf("\n"); 6146 PRINTQS(adapter, RDBAL); 6147 PRINTQS(adapter, RDBAH); 6148 PRINTQS(adapter, RDLEN); 6149 PRINTQS(adapter, SRRCTL); 6150 PRINTQS(adapter, RDH); 6151 PRINTQS(adapter, RDT); 6152 PRINTQS(adapter, RXDCTL); 6153 6154 device_printf(dev, "RQSMR:"); 6155 for (i = 0; i < adapter->num_queues / 4; i++) { 6156 printf((i == 0) ? "\t" : " "); 6157 printf("%08x", IXGBE_READ_REG(hw, IXGBE_RQSMR(i))); 6158 } 6159 printf("\n"); 6160 6161 device_printf(dev, "disabled_count:"); 6162 for (i = 0; i < adapter->num_queues; i++) { 6163 printf((i == 0) ? "\t" : " "); 6164 printf("%8d", adapter->queues[i].disabled_count); 6165 } 6166 printf("\n"); 6167 6168 device_printf(dev, "EIMS:\t%08x\n", IXGBE_READ_REG(hw, IXGBE_EIMS)); 6169 if (hw->mac.type != ixgbe_mac_82598EB) { 6170 device_printf(dev, "EIMS_EX(0):\t%08x\n", 6171 IXGBE_READ_REG(hw, IXGBE_EIMS_EX(0))); 6172 device_printf(dev, "EIMS_EX(1):\t%08x\n", 6173 IXGBE_READ_REG(hw, IXGBE_EIMS_EX(1))); 6174 } 6175 device_printf(dev, "EIAM:\t%08x\n", IXGBE_READ_REG(hw, IXGBE_EIAM)); 6176 device_printf(dev, "EIAC:\t%08x\n", IXGBE_READ_REG(hw, IXGBE_EIAC)); 6177 } /* ixgbe_print_debug_info */ 6178 6179 /************************************************************************ 6180 * ixgbe_sysctl_debug 6181 ************************************************************************/ 6182 static int 6183 ixgbe_sysctl_debug(SYSCTLFN_ARGS) 6184 { 6185 struct sysctlnode node = *rnode; 6186 struct adapter *adapter = (struct adapter *)node.sysctl_data; 6187 int error, result = 0; 6188 6189 if (ixgbe_fw_recovery_mode_swflag(adapter)) 6190 return (EPERM); 6191 6192 node.sysctl_data = &result; 6193 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 6194 6195 if (error || newp == NULL) 6196 return error; 6197 6198 if (result == 1) 6199 ixgbe_print_debug_info(adapter); 6200 6201 return 0; 6202 } /* ixgbe_sysctl_debug */ 6203 6204 /************************************************************************ 6205 * ixgbe_init_device_features 6206 ************************************************************************/ 6207 static void 6208 ixgbe_init_device_features(struct adapter *adapter) 6209 { 6210 adapter->feat_cap = IXGBE_FEATURE_NETMAP 6211 | IXGBE_FEATURE_RSS 6212 | IXGBE_FEATURE_MSI 6213 | IXGBE_FEATURE_MSIX 6214 | IXGBE_FEATURE_LEGACY_IRQ 6215 | IXGBE_FEATURE_LEGACY_TX; 6216 6217 /* Set capabilities first... */ 6218 switch (adapter->hw.mac.type) { 6219 case ixgbe_mac_82598EB: 6220 if (adapter->hw.device_id == IXGBE_DEV_ID_82598AT) 6221 adapter->feat_cap |= IXGBE_FEATURE_FAN_FAIL; 6222 break; 6223 case ixgbe_mac_X540: 6224 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 6225 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 6226 if ((adapter->hw.device_id == IXGBE_DEV_ID_X540_BYPASS) && 6227 (adapter->hw.bus.func == 0)) 6228 adapter->feat_cap |= IXGBE_FEATURE_BYPASS; 6229 break; 6230 case ixgbe_mac_X550: 6231 /* 6232 * IXGBE_FEATURE_RECOVERY_MODE will be set after reading 6233 * NVM Image version. 6234 */ 6235 adapter->feat_cap |= IXGBE_FEATURE_TEMP_SENSOR; 6236 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 6237 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 6238 break; 6239 case ixgbe_mac_X550EM_x: 6240 /* 6241 * IXGBE_FEATURE_RECOVERY_MODE will be set after reading 6242 * NVM Image version. 6243 */ 6244 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 6245 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 6246 break; 6247 case ixgbe_mac_X550EM_a: 6248 /* 6249 * IXGBE_FEATURE_RECOVERY_MODE will be set after reading 6250 * NVM Image version. 6251 */ 6252 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 6253 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 6254 adapter->feat_cap &= ~IXGBE_FEATURE_LEGACY_IRQ; 6255 if ((adapter->hw.device_id == IXGBE_DEV_ID_X550EM_A_1G_T) || 6256 (adapter->hw.device_id == IXGBE_DEV_ID_X550EM_A_1G_T_L)) { 6257 adapter->feat_cap |= IXGBE_FEATURE_TEMP_SENSOR; 6258 adapter->feat_cap |= IXGBE_FEATURE_EEE; 6259 } 6260 break; 6261 case ixgbe_mac_82599EB: 6262 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 6263 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 6264 if ((adapter->hw.device_id == IXGBE_DEV_ID_82599_BYPASS) && 6265 (adapter->hw.bus.func == 0)) 6266 adapter->feat_cap |= IXGBE_FEATURE_BYPASS; 6267 if (adapter->hw.device_id == IXGBE_DEV_ID_82599_QSFP_SF_QP) 6268 adapter->feat_cap &= ~IXGBE_FEATURE_LEGACY_IRQ; 6269 break; 6270 default: 6271 break; 6272 } 6273 6274 /* Enabled by default... */ 6275 /* Fan failure detection */ 6276 if (adapter->feat_cap & IXGBE_FEATURE_FAN_FAIL) 6277 adapter->feat_en |= IXGBE_FEATURE_FAN_FAIL; 6278 /* Netmap */ 6279 if (adapter->feat_cap & IXGBE_FEATURE_NETMAP) 6280 adapter->feat_en |= IXGBE_FEATURE_NETMAP; 6281 /* EEE */ 6282 if (adapter->feat_cap & IXGBE_FEATURE_EEE) 6283 adapter->feat_en |= IXGBE_FEATURE_EEE; 6284 /* Thermal Sensor */ 6285 if (adapter->feat_cap & IXGBE_FEATURE_TEMP_SENSOR) 6286 adapter->feat_en |= IXGBE_FEATURE_TEMP_SENSOR; 6287 /* 6288 * Recovery mode: 6289 * NetBSD: IXGBE_FEATURE_RECOVERY_MODE will be controlled after reading 6290 * NVM Image version. 6291 */ 6292 6293 /* Enabled via global sysctl... */ 6294 /* Flow Director */ 6295 if (ixgbe_enable_fdir) { 6296 if (adapter->feat_cap & IXGBE_FEATURE_FDIR) 6297 adapter->feat_en |= IXGBE_FEATURE_FDIR; 6298 else 6299 device_printf(adapter->dev, "Device does not support Flow Director. Leaving disabled."); 6300 } 6301 /* Legacy (single queue) transmit */ 6302 if ((adapter->feat_cap & IXGBE_FEATURE_LEGACY_TX) && 6303 ixgbe_enable_legacy_tx) 6304 adapter->feat_en |= IXGBE_FEATURE_LEGACY_TX; 6305 /* 6306 * Message Signal Interrupts - Extended (MSI-X) 6307 * Normal MSI is only enabled if MSI-X calls fail. 6308 */ 6309 if (!ixgbe_enable_msix) 6310 adapter->feat_cap &= ~IXGBE_FEATURE_MSIX; 6311 /* Receive-Side Scaling (RSS) */ 6312 if ((adapter->feat_cap & IXGBE_FEATURE_RSS) && ixgbe_enable_rss) 6313 adapter->feat_en |= IXGBE_FEATURE_RSS; 6314 6315 /* Disable features with unmet dependencies... */ 6316 /* No MSI-X */ 6317 if (!(adapter->feat_cap & IXGBE_FEATURE_MSIX)) { 6318 adapter->feat_cap &= ~IXGBE_FEATURE_RSS; 6319 adapter->feat_cap &= ~IXGBE_FEATURE_SRIOV; 6320 adapter->feat_en &= ~IXGBE_FEATURE_RSS; 6321 adapter->feat_en &= ~IXGBE_FEATURE_SRIOV; 6322 } 6323 } /* ixgbe_init_device_features */ 6324 6325 /************************************************************************ 6326 * ixgbe_probe - Device identification routine 6327 * 6328 * Determines if the driver should be loaded on 6329 * adapter based on its PCI vendor/device ID. 6330 * 6331 * return BUS_PROBE_DEFAULT on success, positive on failure 6332 ************************************************************************/ 6333 static int 6334 ixgbe_probe(device_t dev, cfdata_t cf, void *aux) 6335 { 6336 const struct pci_attach_args *pa = aux; 6337 6338 return (ixgbe_lookup(pa) != NULL) ? 1 : 0; 6339 } 6340 6341 static const ixgbe_vendor_info_t * 6342 ixgbe_lookup(const struct pci_attach_args *pa) 6343 { 6344 const ixgbe_vendor_info_t *ent; 6345 pcireg_t subid; 6346 6347 INIT_DEBUGOUT("ixgbe_lookup: begin"); 6348 6349 if (PCI_VENDOR(pa->pa_id) != IXGBE_INTEL_VENDOR_ID) 6350 return NULL; 6351 6352 subid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG); 6353 6354 for (ent = ixgbe_vendor_info_array; ent->vendor_id != 0; ent++) { 6355 if ((PCI_VENDOR(pa->pa_id) == ent->vendor_id) && 6356 (PCI_PRODUCT(pa->pa_id) == ent->device_id) && 6357 ((PCI_SUBSYS_VENDOR(subid) == ent->subvendor_id) || 6358 (ent->subvendor_id == 0)) && 6359 ((PCI_SUBSYS_ID(subid) == ent->subdevice_id) || 6360 (ent->subdevice_id == 0))) { 6361 return ent; 6362 } 6363 } 6364 return NULL; 6365 } 6366 6367 static int 6368 ixgbe_ifflags_cb(struct ethercom *ec) 6369 { 6370 struct ifnet *ifp = &ec->ec_if; 6371 struct adapter *adapter = ifp->if_softc; 6372 u_short change; 6373 int rv = 0; 6374 6375 IXGBE_CORE_LOCK(adapter); 6376 6377 change = ifp->if_flags ^ adapter->if_flags; 6378 if (change != 0) 6379 adapter->if_flags = ifp->if_flags; 6380 6381 if ((change & ~(IFF_CANTCHANGE | IFF_DEBUG)) != 0) { 6382 rv = ENETRESET; 6383 goto out; 6384 } else if ((change & IFF_PROMISC) != 0) 6385 ixgbe_set_rxfilter(adapter); 6386 6387 /* Check for ec_capenable. */ 6388 change = ec->ec_capenable ^ adapter->ec_capenable; 6389 adapter->ec_capenable = ec->ec_capenable; 6390 if ((change & ~(ETHERCAP_VLAN_MTU | ETHERCAP_VLAN_HWTAGGING 6391 | ETHERCAP_VLAN_HWFILTER)) != 0) { 6392 rv = ENETRESET; 6393 goto out; 6394 } 6395 6396 /* 6397 * Special handling is not required for ETHERCAP_VLAN_MTU. 6398 * MAXFRS(MHADD) does not include the 4bytes of the VLAN header. 6399 */ 6400 6401 /* Set up VLAN support and filter */ 6402 if ((change & (ETHERCAP_VLAN_HWTAGGING | ETHERCAP_VLAN_HWFILTER)) != 0) 6403 ixgbe_setup_vlan_hw_support(adapter); 6404 6405 out: 6406 IXGBE_CORE_UNLOCK(adapter); 6407 6408 return rv; 6409 } 6410 6411 /************************************************************************ 6412 * ixgbe_ioctl - Ioctl entry point 6413 * 6414 * Called when the user wants to configure the interface. 6415 * 6416 * return 0 on success, positive on failure 6417 ************************************************************************/ 6418 static int 6419 ixgbe_ioctl(struct ifnet *ifp, u_long command, void *data) 6420 { 6421 struct adapter *adapter = ifp->if_softc; 6422 struct ixgbe_hw *hw = &adapter->hw; 6423 struct ifcapreq *ifcr = data; 6424 struct ifreq *ifr = data; 6425 int error = 0; 6426 int l4csum_en; 6427 const int l4csum = IFCAP_CSUM_TCPv4_Rx | IFCAP_CSUM_UDPv4_Rx | 6428 IFCAP_CSUM_TCPv6_Rx | IFCAP_CSUM_UDPv6_Rx; 6429 6430 if (ixgbe_fw_recovery_mode_swflag(adapter)) 6431 return (EPERM); 6432 6433 switch (command) { 6434 case SIOCSIFFLAGS: 6435 IOCTL_DEBUGOUT("ioctl: SIOCSIFFLAGS (Set Interface Flags)"); 6436 break; 6437 case SIOCADDMULTI: 6438 case SIOCDELMULTI: 6439 IOCTL_DEBUGOUT("ioctl: SIOC(ADD|DEL)MULTI"); 6440 break; 6441 case SIOCSIFMEDIA: 6442 case SIOCGIFMEDIA: 6443 IOCTL_DEBUGOUT("ioctl: SIOCxIFMEDIA (Get/Set Interface Media)"); 6444 break; 6445 case SIOCSIFCAP: 6446 IOCTL_DEBUGOUT("ioctl: SIOCSIFCAP (Set Capabilities)"); 6447 break; 6448 case SIOCSIFMTU: 6449 IOCTL_DEBUGOUT("ioctl: SIOCSIFMTU (Set Interface MTU)"); 6450 break; 6451 #ifdef __NetBSD__ 6452 case SIOCINITIFADDR: 6453 IOCTL_DEBUGOUT("ioctl: SIOCINITIFADDR"); 6454 break; 6455 case SIOCGIFFLAGS: 6456 IOCTL_DEBUGOUT("ioctl: SIOCGIFFLAGS"); 6457 break; 6458 case SIOCGIFAFLAG_IN: 6459 IOCTL_DEBUGOUT("ioctl: SIOCGIFAFLAG_IN"); 6460 break; 6461 case SIOCGIFADDR: 6462 IOCTL_DEBUGOUT("ioctl: SIOCGIFADDR"); 6463 break; 6464 case SIOCGIFMTU: 6465 IOCTL_DEBUGOUT("ioctl: SIOCGIFMTU (Get Interface MTU)"); 6466 break; 6467 case SIOCGIFCAP: 6468 IOCTL_DEBUGOUT("ioctl: SIOCGIFCAP (Get IF cap)"); 6469 break; 6470 case SIOCGETHERCAP: 6471 IOCTL_DEBUGOUT("ioctl: SIOCGETHERCAP (Get ethercap)"); 6472 break; 6473 case SIOCGLIFADDR: 6474 IOCTL_DEBUGOUT("ioctl: SIOCGLIFADDR (Get Interface addr)"); 6475 break; 6476 case SIOCZIFDATA: 6477 IOCTL_DEBUGOUT("ioctl: SIOCZIFDATA (Zero counter)"); 6478 hw->mac.ops.clear_hw_cntrs(hw); 6479 ixgbe_clear_evcnt(adapter); 6480 break; 6481 case SIOCAIFADDR: 6482 IOCTL_DEBUGOUT("ioctl: SIOCAIFADDR (add/chg IF alias)"); 6483 break; 6484 #endif 6485 default: 6486 IOCTL_DEBUGOUT1("ioctl: UNKNOWN (0x%X)", (int)command); 6487 break; 6488 } 6489 6490 switch (command) { 6491 case SIOCGI2C: 6492 { 6493 struct ixgbe_i2c_req i2c; 6494 6495 IOCTL_DEBUGOUT("ioctl: SIOCGI2C (Get I2C Data)"); 6496 error = copyin(ifr->ifr_data, &i2c, sizeof(i2c)); 6497 if (error != 0) 6498 break; 6499 if (i2c.dev_addr != 0xA0 && i2c.dev_addr != 0xA2) { 6500 error = EINVAL; 6501 break; 6502 } 6503 if (i2c.len > sizeof(i2c.data)) { 6504 error = EINVAL; 6505 break; 6506 } 6507 6508 hw->phy.ops.read_i2c_byte(hw, i2c.offset, 6509 i2c.dev_addr, i2c.data); 6510 error = copyout(&i2c, ifr->ifr_data, sizeof(i2c)); 6511 break; 6512 } 6513 case SIOCSIFCAP: 6514 /* Layer-4 Rx checksum offload has to be turned on and 6515 * off as a unit. 6516 */ 6517 l4csum_en = ifcr->ifcr_capenable & l4csum; 6518 if (l4csum_en != l4csum && l4csum_en != 0) 6519 return EINVAL; 6520 /*FALLTHROUGH*/ 6521 case SIOCADDMULTI: 6522 case SIOCDELMULTI: 6523 case SIOCSIFFLAGS: 6524 case SIOCSIFMTU: 6525 default: 6526 if ((error = ether_ioctl(ifp, command, data)) != ENETRESET) 6527 return error; 6528 if ((ifp->if_flags & IFF_RUNNING) == 0) 6529 ; 6530 else if (command == SIOCSIFCAP || command == SIOCSIFMTU) { 6531 IXGBE_CORE_LOCK(adapter); 6532 if ((ifp->if_flags & IFF_RUNNING) != 0) 6533 ixgbe_init_locked(adapter); 6534 ixgbe_recalculate_max_frame(adapter); 6535 IXGBE_CORE_UNLOCK(adapter); 6536 } else if (command == SIOCADDMULTI || command == SIOCDELMULTI) { 6537 /* 6538 * Multicast list has changed; set the hardware filter 6539 * accordingly. 6540 */ 6541 IXGBE_CORE_LOCK(adapter); 6542 ixgbe_disable_intr(adapter); 6543 ixgbe_set_rxfilter(adapter); 6544 ixgbe_enable_intr(adapter); 6545 IXGBE_CORE_UNLOCK(adapter); 6546 } 6547 return 0; 6548 } 6549 6550 return error; 6551 } /* ixgbe_ioctl */ 6552 6553 /************************************************************************ 6554 * ixgbe_check_fan_failure 6555 ************************************************************************/ 6556 static int 6557 ixgbe_check_fan_failure(struct adapter *adapter, u32 reg, bool in_interrupt) 6558 { 6559 u32 mask; 6560 6561 mask = (in_interrupt) ? IXGBE_EICR_GPI_SDP1_BY_MAC(&adapter->hw) : 6562 IXGBE_ESDP_SDP1; 6563 6564 if (reg & mask) { 6565 device_printf(adapter->dev, "\nCRITICAL: FAN FAILURE!! REPLACE IMMEDIATELY!!\n"); 6566 return IXGBE_ERR_FAN_FAILURE; 6567 } 6568 6569 return IXGBE_SUCCESS; 6570 } /* ixgbe_check_fan_failure */ 6571 6572 /************************************************************************ 6573 * ixgbe_handle_que 6574 ************************************************************************/ 6575 static void 6576 ixgbe_handle_que(void *context) 6577 { 6578 struct ix_queue *que = context; 6579 struct adapter *adapter = que->adapter; 6580 struct tx_ring *txr = que->txr; 6581 struct ifnet *ifp = adapter->ifp; 6582 bool more = false; 6583 6584 que->handleq.ev_count++; 6585 6586 if (ifp->if_flags & IFF_RUNNING) { 6587 more = ixgbe_rxeof(que); 6588 IXGBE_TX_LOCK(txr); 6589 more |= ixgbe_txeof(txr); 6590 if (!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX)) 6591 if (!ixgbe_mq_ring_empty(ifp, txr->txr_interq)) 6592 ixgbe_mq_start_locked(ifp, txr); 6593 /* Only for queue 0 */ 6594 /* NetBSD still needs this for CBQ */ 6595 if ((&adapter->queues[0] == que) 6596 && (!ixgbe_legacy_ring_empty(ifp, NULL))) 6597 ixgbe_legacy_start_locked(ifp, txr); 6598 IXGBE_TX_UNLOCK(txr); 6599 } 6600 6601 if (more) { 6602 que->req.ev_count++; 6603 ixgbe_sched_handle_que(adapter, que); 6604 } else if (que->res != NULL) { 6605 /* MSIX: Re-enable this interrupt */ 6606 ixgbe_enable_queue(adapter, que->msix); 6607 } else { 6608 /* INTx or MSI */ 6609 ixgbe_enable_queue(adapter, 0); 6610 } 6611 6612 return; 6613 } /* ixgbe_handle_que */ 6614 6615 /************************************************************************ 6616 * ixgbe_handle_que_work 6617 ************************************************************************/ 6618 static void 6619 ixgbe_handle_que_work(struct work *wk, void *context) 6620 { 6621 struct ix_queue *que = container_of(wk, struct ix_queue, wq_cookie); 6622 6623 /* 6624 * "enqueued flag" is not required here. 6625 * See ixgbe_msix_que(). 6626 */ 6627 ixgbe_handle_que(que); 6628 } 6629 6630 /************************************************************************ 6631 * ixgbe_allocate_legacy - Setup the Legacy or MSI Interrupt handler 6632 ************************************************************************/ 6633 static int 6634 ixgbe_allocate_legacy(struct adapter *adapter, 6635 const struct pci_attach_args *pa) 6636 { 6637 device_t dev = adapter->dev; 6638 struct ix_queue *que = adapter->queues; 6639 struct tx_ring *txr = adapter->tx_rings; 6640 int counts[PCI_INTR_TYPE_SIZE]; 6641 pci_intr_type_t intr_type, max_type; 6642 char intrbuf[PCI_INTRSTR_LEN]; 6643 char wqname[MAXCOMLEN]; 6644 const char *intrstr = NULL; 6645 int defertx_error = 0, error; 6646 6647 /* We allocate a single interrupt resource */ 6648 max_type = PCI_INTR_TYPE_MSI; 6649 counts[PCI_INTR_TYPE_MSIX] = 0; 6650 counts[PCI_INTR_TYPE_MSI] = 6651 (adapter->feat_en & IXGBE_FEATURE_MSI) ? 1 : 0; 6652 /* Check not feat_en but feat_cap to fallback to INTx */ 6653 counts[PCI_INTR_TYPE_INTX] = 6654 (adapter->feat_cap & IXGBE_FEATURE_LEGACY_IRQ) ? 1 : 0; 6655 6656 alloc_retry: 6657 if (pci_intr_alloc(pa, &adapter->osdep.intrs, counts, max_type) != 0) { 6658 aprint_error_dev(dev, "couldn't alloc interrupt\n"); 6659 return ENXIO; 6660 } 6661 adapter->osdep.nintrs = 1; 6662 intrstr = pci_intr_string(adapter->osdep.pc, adapter->osdep.intrs[0], 6663 intrbuf, sizeof(intrbuf)); 6664 adapter->osdep.ihs[0] = pci_intr_establish_xname(adapter->osdep.pc, 6665 adapter->osdep.intrs[0], IPL_NET, ixgbe_legacy_irq, que, 6666 device_xname(dev)); 6667 intr_type = pci_intr_type(adapter->osdep.pc, adapter->osdep.intrs[0]); 6668 if (adapter->osdep.ihs[0] == NULL) { 6669 aprint_error_dev(dev,"unable to establish %s\n", 6670 (intr_type == PCI_INTR_TYPE_MSI) ? "MSI" : "INTx"); 6671 pci_intr_release(adapter->osdep.pc, adapter->osdep.intrs, 1); 6672 adapter->osdep.intrs = NULL; 6673 switch (intr_type) { 6674 case PCI_INTR_TYPE_MSI: 6675 /* The next try is for INTx: Disable MSI */ 6676 max_type = PCI_INTR_TYPE_INTX; 6677 counts[PCI_INTR_TYPE_INTX] = 1; 6678 adapter->feat_en &= ~IXGBE_FEATURE_MSI; 6679 if (adapter->feat_cap & IXGBE_FEATURE_LEGACY_IRQ) { 6680 adapter->feat_en |= IXGBE_FEATURE_LEGACY_IRQ; 6681 goto alloc_retry; 6682 } else 6683 break; 6684 case PCI_INTR_TYPE_INTX: 6685 default: 6686 /* See below */ 6687 break; 6688 } 6689 } 6690 if (intr_type == PCI_INTR_TYPE_INTX) { 6691 adapter->feat_en &= ~IXGBE_FEATURE_MSI; 6692 adapter->feat_en |= IXGBE_FEATURE_LEGACY_IRQ; 6693 } 6694 if (adapter->osdep.ihs[0] == NULL) { 6695 aprint_error_dev(dev, 6696 "couldn't establish interrupt%s%s\n", 6697 intrstr ? " at " : "", intrstr ? intrstr : ""); 6698 pci_intr_release(adapter->osdep.pc, adapter->osdep.intrs, 1); 6699 adapter->osdep.intrs = NULL; 6700 return ENXIO; 6701 } 6702 aprint_normal_dev(dev, "interrupting at %s\n", intrstr); 6703 /* 6704 * Try allocating a fast interrupt and the associated deferred 6705 * processing contexts. 6706 */ 6707 if (!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX)) { 6708 txr->txr_si = 6709 softint_establish(SOFTINT_NET | IXGBE_SOFTINT_FLAGS, 6710 ixgbe_deferred_mq_start, txr); 6711 6712 snprintf(wqname, sizeof(wqname), "%sdeferTx", device_xname(dev)); 6713 defertx_error = workqueue_create(&adapter->txr_wq, wqname, 6714 ixgbe_deferred_mq_start_work, adapter, IXGBE_WORKQUEUE_PRI, 6715 IPL_NET, IXGBE_WORKQUEUE_FLAGS); 6716 adapter->txr_wq_enqueued = percpu_alloc(sizeof(u_int)); 6717 } 6718 que->que_si = softint_establish(SOFTINT_NET | IXGBE_SOFTINT_FLAGS, 6719 ixgbe_handle_que, que); 6720 snprintf(wqname, sizeof(wqname), "%sTxRx", device_xname(dev)); 6721 error = workqueue_create(&adapter->que_wq, wqname, 6722 ixgbe_handle_que_work, adapter, IXGBE_WORKQUEUE_PRI, IPL_NET, 6723 IXGBE_WORKQUEUE_FLAGS); 6724 6725 if ((!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX) 6726 && ((txr->txr_si == NULL) || defertx_error != 0)) 6727 || (que->que_si == NULL) || error != 0) { 6728 aprint_error_dev(dev, 6729 "could not establish software interrupts\n"); 6730 6731 return ENXIO; 6732 } 6733 /* For simplicity in the handlers */ 6734 adapter->active_queues = IXGBE_EIMS_ENABLE_MASK; 6735 6736 return (0); 6737 } /* ixgbe_allocate_legacy */ 6738 6739 /************************************************************************ 6740 * ixgbe_allocate_msix - Setup MSI-X Interrupt resources and handlers 6741 ************************************************************************/ 6742 static int 6743 ixgbe_allocate_msix(struct adapter *adapter, const struct pci_attach_args *pa) 6744 { 6745 device_t dev = adapter->dev; 6746 struct ix_queue *que = adapter->queues; 6747 struct tx_ring *txr = adapter->tx_rings; 6748 pci_chipset_tag_t pc; 6749 char intrbuf[PCI_INTRSTR_LEN]; 6750 char intr_xname[32]; 6751 char wqname[MAXCOMLEN]; 6752 const char *intrstr = NULL; 6753 int error, vector = 0; 6754 int cpu_id = 0; 6755 kcpuset_t *affinity; 6756 #ifdef RSS 6757 unsigned int rss_buckets = 0; 6758 kcpuset_t cpu_mask; 6759 #endif 6760 6761 pc = adapter->osdep.pc; 6762 #ifdef RSS 6763 /* 6764 * If we're doing RSS, the number of queues needs to 6765 * match the number of RSS buckets that are configured. 6766 * 6767 * + If there's more queues than RSS buckets, we'll end 6768 * up with queues that get no traffic. 6769 * 6770 * + If there's more RSS buckets than queues, we'll end 6771 * up having multiple RSS buckets map to the same queue, 6772 * so there'll be some contention. 6773 */ 6774 rss_buckets = rss_getnumbuckets(); 6775 if ((adapter->feat_en & IXGBE_FEATURE_RSS) && 6776 (adapter->num_queues != rss_buckets)) { 6777 device_printf(dev, 6778 "%s: number of queues (%d) != number of RSS buckets (%d)" 6779 "; performance will be impacted.\n", 6780 __func__, adapter->num_queues, rss_buckets); 6781 } 6782 #endif 6783 6784 adapter->osdep.nintrs = adapter->num_queues + 1; 6785 if (pci_msix_alloc_exact(pa, &adapter->osdep.intrs, 6786 adapter->osdep.nintrs) != 0) { 6787 aprint_error_dev(dev, 6788 "failed to allocate MSI-X interrupt\n"); 6789 return (ENXIO); 6790 } 6791 6792 kcpuset_create(&affinity, false); 6793 for (int i = 0; i < adapter->num_queues; i++, vector++, que++, txr++) { 6794 snprintf(intr_xname, sizeof(intr_xname), "%s TXRX%d", 6795 device_xname(dev), i); 6796 intrstr = pci_intr_string(pc, adapter->osdep.intrs[i], intrbuf, 6797 sizeof(intrbuf)); 6798 #ifdef IXGBE_MPSAFE 6799 pci_intr_setattr(pc, &adapter->osdep.intrs[i], PCI_INTR_MPSAFE, 6800 true); 6801 #endif 6802 /* Set the handler function */ 6803 que->res = adapter->osdep.ihs[i] = pci_intr_establish_xname(pc, 6804 adapter->osdep.intrs[i], IPL_NET, ixgbe_msix_que, que, 6805 intr_xname); 6806 if (que->res == NULL) { 6807 aprint_error_dev(dev, 6808 "Failed to register QUE handler\n"); 6809 error = ENXIO; 6810 goto err_out; 6811 } 6812 que->msix = vector; 6813 adapter->active_queues |= 1ULL << que->msix; 6814 6815 if (adapter->feat_en & IXGBE_FEATURE_RSS) { 6816 #ifdef RSS 6817 /* 6818 * The queue ID is used as the RSS layer bucket ID. 6819 * We look up the queue ID -> RSS CPU ID and select 6820 * that. 6821 */ 6822 cpu_id = rss_getcpu(i % rss_getnumbuckets()); 6823 CPU_SETOF(cpu_id, &cpu_mask); 6824 #endif 6825 } else { 6826 /* 6827 * Bind the MSI-X vector, and thus the 6828 * rings to the corresponding CPU. 6829 * 6830 * This just happens to match the default RSS 6831 * round-robin bucket -> queue -> CPU allocation. 6832 */ 6833 if (adapter->num_queues > 1) 6834 cpu_id = i; 6835 } 6836 /* Round-robin affinity */ 6837 kcpuset_zero(affinity); 6838 kcpuset_set(affinity, cpu_id % ncpu); 6839 error = interrupt_distribute(adapter->osdep.ihs[i], affinity, 6840 NULL); 6841 aprint_normal_dev(dev, "for TX/RX, interrupting at %s", 6842 intrstr); 6843 if (error == 0) { 6844 #if 1 /* def IXGBE_DEBUG */ 6845 #ifdef RSS 6846 aprintf_normal(", bound RSS bucket %d to CPU %d", i, 6847 cpu_id % ncpu); 6848 #else 6849 aprint_normal(", bound queue %d to cpu %d", i, 6850 cpu_id % ncpu); 6851 #endif 6852 #endif /* IXGBE_DEBUG */ 6853 } 6854 aprint_normal("\n"); 6855 6856 if (!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX)) { 6857 txr->txr_si = softint_establish( 6858 SOFTINT_NET | IXGBE_SOFTINT_FLAGS, 6859 ixgbe_deferred_mq_start, txr); 6860 if (txr->txr_si == NULL) { 6861 aprint_error_dev(dev, 6862 "couldn't establish software interrupt\n"); 6863 error = ENXIO; 6864 goto err_out; 6865 } 6866 } 6867 que->que_si 6868 = softint_establish(SOFTINT_NET | IXGBE_SOFTINT_FLAGS, 6869 ixgbe_handle_que, que); 6870 if (que->que_si == NULL) { 6871 aprint_error_dev(dev, 6872 "couldn't establish software interrupt\n"); 6873 error = ENXIO; 6874 goto err_out; 6875 } 6876 } 6877 snprintf(wqname, sizeof(wqname), "%sdeferTx", device_xname(dev)); 6878 error = workqueue_create(&adapter->txr_wq, wqname, 6879 ixgbe_deferred_mq_start_work, adapter, IXGBE_WORKQUEUE_PRI, IPL_NET, 6880 IXGBE_WORKQUEUE_FLAGS); 6881 if (error) { 6882 aprint_error_dev(dev, "couldn't create workqueue for deferred Tx\n"); 6883 goto err_out; 6884 } 6885 adapter->txr_wq_enqueued = percpu_alloc(sizeof(u_int)); 6886 6887 snprintf(wqname, sizeof(wqname), "%sTxRx", device_xname(dev)); 6888 error = workqueue_create(&adapter->que_wq, wqname, 6889 ixgbe_handle_que_work, adapter, IXGBE_WORKQUEUE_PRI, IPL_NET, 6890 IXGBE_WORKQUEUE_FLAGS); 6891 if (error) { 6892 aprint_error_dev(dev, "couldn't create workqueue for Tx/Rx\n"); 6893 goto err_out; 6894 } 6895 6896 /* and Link */ 6897 cpu_id++; 6898 snprintf(intr_xname, sizeof(intr_xname), "%s link", device_xname(dev)); 6899 adapter->vector = vector; 6900 intrstr = pci_intr_string(pc, adapter->osdep.intrs[vector], intrbuf, 6901 sizeof(intrbuf)); 6902 #ifdef IXGBE_MPSAFE 6903 pci_intr_setattr(pc, &adapter->osdep.intrs[vector], PCI_INTR_MPSAFE, 6904 true); 6905 #endif 6906 /* Set the link handler function */ 6907 adapter->osdep.ihs[vector] = pci_intr_establish_xname(pc, 6908 adapter->osdep.intrs[vector], IPL_NET, ixgbe_msix_admin, adapter, 6909 intr_xname); 6910 if (adapter->osdep.ihs[vector] == NULL) { 6911 aprint_error_dev(dev, "Failed to register LINK handler\n"); 6912 error = ENXIO; 6913 goto err_out; 6914 } 6915 /* Round-robin affinity */ 6916 kcpuset_zero(affinity); 6917 kcpuset_set(affinity, cpu_id % ncpu); 6918 error = interrupt_distribute(adapter->osdep.ihs[vector], affinity, 6919 NULL); 6920 6921 aprint_normal_dev(dev, 6922 "for link, interrupting at %s", intrstr); 6923 if (error == 0) 6924 aprint_normal(", affinity to cpu %d\n", cpu_id % ncpu); 6925 else 6926 aprint_normal("\n"); 6927 6928 kcpuset_destroy(affinity); 6929 aprint_normal_dev(dev, 6930 "Using MSI-X interrupts with %d vectors\n", vector + 1); 6931 6932 return (0); 6933 6934 err_out: 6935 kcpuset_destroy(affinity); 6936 ixgbe_free_deferred_handlers(adapter); 6937 ixgbe_free_pciintr_resources(adapter); 6938 return (error); 6939 } /* ixgbe_allocate_msix */ 6940 6941 /************************************************************************ 6942 * ixgbe_configure_interrupts 6943 * 6944 * Setup MSI-X, MSI, or legacy interrupts (in that order). 6945 * This will also depend on user settings. 6946 ************************************************************************/ 6947 static int 6948 ixgbe_configure_interrupts(struct adapter *adapter) 6949 { 6950 device_t dev = adapter->dev; 6951 struct ixgbe_mac_info *mac = &adapter->hw.mac; 6952 int want, queues, msgs; 6953 6954 /* Default to 1 queue if MSI-X setup fails */ 6955 adapter->num_queues = 1; 6956 6957 /* Override by tuneable */ 6958 if (!(adapter->feat_cap & IXGBE_FEATURE_MSIX)) 6959 goto msi; 6960 6961 /* 6962 * NetBSD only: Use single vector MSI when number of CPU is 1 to save 6963 * interrupt slot. 6964 */ 6965 if (ncpu == 1) 6966 goto msi; 6967 6968 /* First try MSI-X */ 6969 msgs = pci_msix_count(adapter->osdep.pc, adapter->osdep.tag); 6970 msgs = MIN(msgs, IXG_MAX_NINTR); 6971 if (msgs < 2) 6972 goto msi; 6973 6974 adapter->msix_mem = (void *)1; /* XXX */ 6975 6976 /* Figure out a reasonable auto config value */ 6977 queues = (ncpu > (msgs - 1)) ? (msgs - 1) : ncpu; 6978 6979 #ifdef RSS 6980 /* If we're doing RSS, clamp at the number of RSS buckets */ 6981 if (adapter->feat_en & IXGBE_FEATURE_RSS) 6982 queues = uimin(queues, rss_getnumbuckets()); 6983 #endif 6984 if (ixgbe_num_queues > queues) { 6985 aprint_error_dev(adapter->dev, "ixgbe_num_queues (%d) is too large, using reduced amount (%d).\n", ixgbe_num_queues, queues); 6986 ixgbe_num_queues = queues; 6987 } 6988 6989 if (ixgbe_num_queues != 0) 6990 queues = ixgbe_num_queues; 6991 else 6992 queues = uimin(queues, 6993 uimin(mac->max_tx_queues, mac->max_rx_queues)); 6994 6995 /* reflect correct sysctl value */ 6996 ixgbe_num_queues = queues; 6997 6998 /* 6999 * Want one vector (RX/TX pair) per queue 7000 * plus an additional for Link. 7001 */ 7002 want = queues + 1; 7003 if (msgs >= want) 7004 msgs = want; 7005 else { 7006 aprint_error_dev(dev, "MSI-X Configuration Problem, " 7007 "%d vectors but %d queues wanted!\n", 7008 msgs, want); 7009 goto msi; 7010 } 7011 adapter->num_queues = queues; 7012 adapter->feat_en |= IXGBE_FEATURE_MSIX; 7013 return (0); 7014 7015 /* 7016 * MSI-X allocation failed or provided us with 7017 * less vectors than needed. Free MSI-X resources 7018 * and we'll try enabling MSI. 7019 */ 7020 msi: 7021 /* Without MSI-X, some features are no longer supported */ 7022 adapter->feat_cap &= ~IXGBE_FEATURE_RSS; 7023 adapter->feat_en &= ~IXGBE_FEATURE_RSS; 7024 adapter->feat_cap &= ~IXGBE_FEATURE_SRIOV; 7025 adapter->feat_en &= ~IXGBE_FEATURE_SRIOV; 7026 7027 msgs = pci_msi_count(adapter->osdep.pc, adapter->osdep.tag); 7028 adapter->msix_mem = NULL; /* XXX */ 7029 if (msgs > 1) 7030 msgs = 1; 7031 if (msgs != 0) { 7032 msgs = 1; 7033 adapter->feat_en |= IXGBE_FEATURE_MSI; 7034 return (0); 7035 } 7036 7037 if (!(adapter->feat_cap & IXGBE_FEATURE_LEGACY_IRQ)) { 7038 aprint_error_dev(dev, 7039 "Device does not support legacy interrupts.\n"); 7040 return 1; 7041 } 7042 7043 adapter->feat_en |= IXGBE_FEATURE_LEGACY_IRQ; 7044 7045 return (0); 7046 } /* ixgbe_configure_interrupts */ 7047 7048 7049 /************************************************************************ 7050 * ixgbe_handle_link - Tasklet for MSI-X Link interrupts 7051 * 7052 * Done outside of interrupt context since the driver might sleep 7053 ************************************************************************/ 7054 static void 7055 ixgbe_handle_link(void *context) 7056 { 7057 struct adapter *adapter = context; 7058 struct ixgbe_hw *hw = &adapter->hw; 7059 7060 KASSERT(mutex_owned(&adapter->core_mtx)); 7061 7062 ++adapter->link_workev.ev_count; 7063 ixgbe_check_link(hw, &adapter->link_speed, &adapter->link_up, 0); 7064 ixgbe_update_link_status(adapter); 7065 7066 /* Re-enable link interrupts */ 7067 IXGBE_WRITE_REG(hw, IXGBE_EIMS, IXGBE_EIMS_LSC); 7068 } /* ixgbe_handle_link */ 7069 7070 #if 0 7071 /************************************************************************ 7072 * ixgbe_rearm_queues 7073 ************************************************************************/ 7074 static __inline void 7075 ixgbe_rearm_queues(struct adapter *adapter, u64 queues) 7076 { 7077 u32 mask; 7078 7079 switch (adapter->hw.mac.type) { 7080 case ixgbe_mac_82598EB: 7081 mask = (IXGBE_EIMS_RTX_QUEUE & queues); 7082 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS, mask); 7083 break; 7084 case ixgbe_mac_82599EB: 7085 case ixgbe_mac_X540: 7086 case ixgbe_mac_X550: 7087 case ixgbe_mac_X550EM_x: 7088 case ixgbe_mac_X550EM_a: 7089 mask = (queues & 0xFFFFFFFF); 7090 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS_EX(0), mask); 7091 mask = (queues >> 32); 7092 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS_EX(1), mask); 7093 break; 7094 default: 7095 break; 7096 } 7097 } /* ixgbe_rearm_queues */ 7098 #endif 7099
Indexes created Mon Sep 29 21:09:56 GMT 2025