ixgbe.c revision 1.273
1 /* $NetBSD: ixgbe.c,v 1.273 2020/12/26 06:07:16 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 void 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 /* This is probably overkill :) */ 3155 if (!atomic_cas_uint(&adapter->fdir_reinit, 0, 1)) 3156 return 1; 3157 task_requests |= IXGBE_REQUEST_TASK_FDIR; 3158 /* Disable the interrupt */ 3159 eims_disable |= IXGBE_EIMS_FLOW_DIR; 3160 } 3161 3162 if (eicr & IXGBE_EICR_ECC) { 3163 device_printf(adapter->dev, 3164 "CRITICAL: ECC ERROR!! Please Reboot!!\n"); 3165 } 3166 3167 /* Check for over temp condition */ 3168 if (adapter->feat_en & IXGBE_FEATURE_TEMP_SENSOR) { 3169 switch (adapter->hw.mac.type) { 3170 case ixgbe_mac_X550EM_a: 3171 if (!(eicr & IXGBE_EICR_GPI_SDP0_X550EM_a)) 3172 break; 3173 3174 retval = hw->phy.ops.check_overtemp(hw); 3175 if (retval != IXGBE_ERR_OVERTEMP) 3176 break; 3177 device_printf(adapter->dev, "CRITICAL: OVER TEMP!! PHY IS SHUT DOWN!!\n"); 3178 device_printf(adapter->dev, "System shutdown required!\n"); 3179 break; 3180 default: 3181 if (!(eicr & IXGBE_EICR_TS)) 3182 break; 3183 3184 retval = hw->phy.ops.check_overtemp(hw); 3185 if (retval != IXGBE_ERR_OVERTEMP) 3186 break; 3187 device_printf(adapter->dev, "CRITICAL: OVER TEMP!! PHY IS SHUT DOWN!!\n"); 3188 device_printf(adapter->dev, "System shutdown required!\n"); 3189 break; 3190 } 3191 } 3192 3193 /* Check for VF message */ 3194 if ((adapter->feat_en & IXGBE_FEATURE_SRIOV) && 3195 (eicr & IXGBE_EICR_MAILBOX)) { 3196 task_requests |= IXGBE_REQUEST_TASK_MBX; 3197 eims_disable |= IXGBE_EIMS_MAILBOX; 3198 } 3199 } 3200 3201 /* Check for fan failure */ 3202 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) { 3203 ixgbe_check_fan_failure(adapter, eicr, true); 3204 } 3205 3206 /* External PHY interrupt */ 3207 if ((hw->phy.type == ixgbe_phy_x550em_ext_t) && 3208 (eicr & IXGBE_EICR_GPI_SDP0_X540)) { 3209 task_requests |= IXGBE_REQUEST_TASK_PHY; 3210 eims_disable |= IXGBE_EICR_GPI_SDP0_X540; 3211 } 3212 3213 if (task_requests != 0) { 3214 mutex_enter(&adapter->admin_mtx); 3215 adapter->task_requests |= task_requests; 3216 ixgbe_schedule_admin_tasklet(adapter); 3217 mutex_exit(&adapter->admin_mtx); 3218 } 3219 3220 /* Re-enable some OTHER interrupts */ 3221 IXGBE_WRITE_REG(hw, IXGBE_EIMS, eims_orig & ~eims_disable); 3222 3223 return 1; 3224 } /* ixgbe_msix_admin */ 3225 3226 static void 3227 ixgbe_eitr_write(struct adapter *adapter, uint32_t index, uint32_t itr) 3228 { 3229 3230 if (adapter->hw.mac.type == ixgbe_mac_82598EB) 3231 itr |= itr << 16; 3232 else 3233 itr |= IXGBE_EITR_CNT_WDIS; 3234 3235 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EITR(index), itr); 3236 } 3237 3238 3239 /************************************************************************ 3240 * ixgbe_sysctl_interrupt_rate_handler 3241 ************************************************************************/ 3242 static int 3243 ixgbe_sysctl_interrupt_rate_handler(SYSCTLFN_ARGS) 3244 { 3245 struct sysctlnode node = *rnode; 3246 struct ix_queue *que = (struct ix_queue *)node.sysctl_data; 3247 struct adapter *adapter; 3248 uint32_t reg, usec, rate; 3249 int error; 3250 3251 if (que == NULL) 3252 return 0; 3253 3254 adapter = que->adapter; 3255 if (ixgbe_fw_recovery_mode_swflag(adapter)) 3256 return (EPERM); 3257 3258 reg = IXGBE_READ_REG(&adapter->hw, IXGBE_EITR(que->msix)); 3259 usec = ((reg & 0x0FF8) >> 3); 3260 if (usec > 0) 3261 rate = 500000 / usec; 3262 else 3263 rate = 0; 3264 node.sysctl_data = &rate; 3265 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 3266 if (error || newp == NULL) 3267 return error; 3268 reg &= ~0xfff; /* default, no limitation */ 3269 if (rate > 0 && rate < 500000) { 3270 if (rate < 1000) 3271 rate = 1000; 3272 reg |= ((4000000 / rate) & 0xff8); 3273 /* 3274 * When RSC is used, ITR interval must be larger than 3275 * RSC_DELAY. Currently, we use 2us for RSC_DELAY. 3276 * The minimum value is always greater than 2us on 100M 3277 * (and 10M?(not documented)), but it's not on 1G and higher. 3278 */ 3279 if ((adapter->link_speed != IXGBE_LINK_SPEED_100_FULL) 3280 && (adapter->link_speed != IXGBE_LINK_SPEED_10_FULL)) { 3281 if ((adapter->num_queues > 1) 3282 && (reg < IXGBE_MIN_RSC_EITR_10G1G)) 3283 return EINVAL; 3284 } 3285 ixgbe_max_interrupt_rate = rate; 3286 } else 3287 ixgbe_max_interrupt_rate = 0; 3288 ixgbe_eitr_write(adapter, que->msix, reg); 3289 3290 return (0); 3291 } /* ixgbe_sysctl_interrupt_rate_handler */ 3292 3293 const struct sysctlnode * 3294 ixgbe_sysctl_instance(struct adapter *adapter) 3295 { 3296 const char *dvname; 3297 struct sysctllog **log; 3298 int rc; 3299 const struct sysctlnode *rnode; 3300 3301 if (adapter->sysctltop != NULL) 3302 return adapter->sysctltop; 3303 3304 log = &adapter->sysctllog; 3305 dvname = device_xname(adapter->dev); 3306 3307 if ((rc = sysctl_createv(log, 0, NULL, &rnode, 3308 0, CTLTYPE_NODE, dvname, 3309 SYSCTL_DESCR("ixgbe information and settings"), 3310 NULL, 0, NULL, 0, CTL_HW, CTL_CREATE, CTL_EOL)) != 0) 3311 goto err; 3312 3313 return rnode; 3314 err: 3315 device_printf(adapter->dev, 3316 "%s: sysctl_createv failed, rc = %d\n", __func__, rc); 3317 return NULL; 3318 } 3319 3320 /************************************************************************ 3321 * ixgbe_add_device_sysctls 3322 ************************************************************************/ 3323 static void 3324 ixgbe_add_device_sysctls(struct adapter *adapter) 3325 { 3326 device_t dev = adapter->dev; 3327 struct ixgbe_hw *hw = &adapter->hw; 3328 struct sysctllog **log; 3329 const struct sysctlnode *rnode, *cnode; 3330 3331 log = &adapter->sysctllog; 3332 3333 if ((rnode = ixgbe_sysctl_instance(adapter)) == NULL) { 3334 aprint_error_dev(dev, "could not create sysctl root\n"); 3335 return; 3336 } 3337 3338 if (sysctl_createv(log, 0, &rnode, &cnode, 3339 CTLFLAG_READWRITE, CTLTYPE_INT, 3340 "debug", SYSCTL_DESCR("Debug Info"), 3341 ixgbe_sysctl_debug, 0, (void *)adapter, 0, CTL_CREATE, CTL_EOL) != 0) 3342 aprint_error_dev(dev, "could not create sysctl\n"); 3343 3344 if (sysctl_createv(log, 0, &rnode, &cnode, 3345 CTLFLAG_READONLY, CTLTYPE_INT, 3346 "num_rx_desc", SYSCTL_DESCR("Number of rx descriptors"), 3347 NULL, 0, &adapter->num_rx_desc, 0, CTL_CREATE, CTL_EOL) != 0) 3348 aprint_error_dev(dev, "could not create sysctl\n"); 3349 3350 if (sysctl_createv(log, 0, &rnode, &cnode, 3351 CTLFLAG_READONLY, CTLTYPE_INT, 3352 "num_queues", SYSCTL_DESCR("Number of queues"), 3353 NULL, 0, &adapter->num_queues, 0, CTL_CREATE, CTL_EOL) != 0) 3354 aprint_error_dev(dev, "could not create sysctl\n"); 3355 3356 /* Sysctls for all devices */ 3357 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3358 CTLTYPE_INT, "fc", SYSCTL_DESCR(IXGBE_SYSCTL_DESC_SET_FC), 3359 ixgbe_sysctl_flowcntl, 0, (void *)adapter, 0, CTL_CREATE, 3360 CTL_EOL) != 0) 3361 aprint_error_dev(dev, "could not create sysctl\n"); 3362 3363 adapter->enable_aim = ixgbe_enable_aim; 3364 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3365 CTLTYPE_BOOL, "enable_aim", SYSCTL_DESCR("Interrupt Moderation"), 3366 NULL, 0, &adapter->enable_aim, 0, CTL_CREATE, CTL_EOL) != 0) 3367 aprint_error_dev(dev, "could not create sysctl\n"); 3368 3369 if (sysctl_createv(log, 0, &rnode, &cnode, 3370 CTLFLAG_READWRITE, CTLTYPE_INT, 3371 "advertise_speed", SYSCTL_DESCR(IXGBE_SYSCTL_DESC_ADV_SPEED), 3372 ixgbe_sysctl_advertise, 0, (void *)adapter, 0, CTL_CREATE, 3373 CTL_EOL) != 0) 3374 aprint_error_dev(dev, "could not create sysctl\n"); 3375 3376 /* 3377 * If each "que->txrx_use_workqueue" is changed in sysctl handler, 3378 * it causesflip-flopping softint/workqueue mode in one deferred 3379 * processing. Therefore, preempt_disable()/preempt_enable() are 3380 * required in ixgbe_sched_handle_que() to avoid 3381 * KASSERT(ixgbe_sched_handle_que()) in softint_schedule(). 3382 * I think changing "que->txrx_use_workqueue" in interrupt handler 3383 * is lighter than doing preempt_disable()/preempt_enable() in every 3384 * ixgbe_sched_handle_que(). 3385 */ 3386 adapter->txrx_use_workqueue = ixgbe_txrx_workqueue; 3387 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3388 CTLTYPE_BOOL, "txrx_workqueue", SYSCTL_DESCR("Use workqueue for packet processing"), 3389 NULL, 0, &adapter->txrx_use_workqueue, 0, CTL_CREATE, CTL_EOL) != 0) 3390 aprint_error_dev(dev, "could not create sysctl\n"); 3391 3392 #ifdef IXGBE_DEBUG 3393 /* testing sysctls (for all devices) */ 3394 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3395 CTLTYPE_INT, "power_state", SYSCTL_DESCR("PCI Power State"), 3396 ixgbe_sysctl_power_state, 0, (void *)adapter, 0, CTL_CREATE, 3397 CTL_EOL) != 0) 3398 aprint_error_dev(dev, "could not create sysctl\n"); 3399 3400 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READONLY, 3401 CTLTYPE_STRING, "print_rss_config", 3402 SYSCTL_DESCR("Prints RSS Configuration"), 3403 ixgbe_sysctl_print_rss_config, 0, (void *)adapter, 0, CTL_CREATE, 3404 CTL_EOL) != 0) 3405 aprint_error_dev(dev, "could not create sysctl\n"); 3406 #endif 3407 /* for X550 series devices */ 3408 if (hw->mac.type >= ixgbe_mac_X550) 3409 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3410 CTLTYPE_INT, "dmac", SYSCTL_DESCR("DMA Coalesce"), 3411 ixgbe_sysctl_dmac, 0, (void *)adapter, 0, CTL_CREATE, 3412 CTL_EOL) != 0) 3413 aprint_error_dev(dev, "could not create sysctl\n"); 3414 3415 /* for WoL-capable devices */ 3416 if (adapter->wol_support) { 3417 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3418 CTLTYPE_BOOL, "wol_enable", 3419 SYSCTL_DESCR("Enable/Disable Wake on LAN"), 3420 ixgbe_sysctl_wol_enable, 0, (void *)adapter, 0, CTL_CREATE, 3421 CTL_EOL) != 0) 3422 aprint_error_dev(dev, "could not create sysctl\n"); 3423 3424 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3425 CTLTYPE_INT, "wufc", 3426 SYSCTL_DESCR("Enable/Disable Wake Up Filters"), 3427 ixgbe_sysctl_wufc, 0, (void *)adapter, 0, CTL_CREATE, 3428 CTL_EOL) != 0) 3429 aprint_error_dev(dev, "could not create sysctl\n"); 3430 } 3431 3432 /* for X552/X557-AT devices */ 3433 if (hw->device_id == IXGBE_DEV_ID_X550EM_X_10G_T) { 3434 const struct sysctlnode *phy_node; 3435 3436 if (sysctl_createv(log, 0, &rnode, &phy_node, 0, CTLTYPE_NODE, 3437 "phy", SYSCTL_DESCR("External PHY sysctls"), 3438 NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL) != 0) { 3439 aprint_error_dev(dev, "could not create sysctl\n"); 3440 return; 3441 } 3442 3443 if (sysctl_createv(log, 0, &phy_node, &cnode, CTLFLAG_READONLY, 3444 CTLTYPE_INT, "temp", 3445 SYSCTL_DESCR("Current External PHY Temperature (Celsius)"), 3446 ixgbe_sysctl_phy_temp, 0, (void *)adapter, 0, CTL_CREATE, 3447 CTL_EOL) != 0) 3448 aprint_error_dev(dev, "could not create sysctl\n"); 3449 3450 if (sysctl_createv(log, 0, &phy_node, &cnode, CTLFLAG_READONLY, 3451 CTLTYPE_INT, "overtemp_occurred", 3452 SYSCTL_DESCR("External PHY High Temperature Event Occurred"), 3453 ixgbe_sysctl_phy_overtemp_occurred, 0, (void *)adapter, 0, 3454 CTL_CREATE, CTL_EOL) != 0) 3455 aprint_error_dev(dev, "could not create sysctl\n"); 3456 } 3457 3458 if ((hw->mac.type == ixgbe_mac_X550EM_a) 3459 && (hw->phy.type == ixgbe_phy_fw)) 3460 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3461 CTLTYPE_BOOL, "force_10_100_autonego", 3462 SYSCTL_DESCR("Force autonego on 10M and 100M"), 3463 NULL, 0, &hw->phy.force_10_100_autonego, 0, 3464 CTL_CREATE, CTL_EOL) != 0) 3465 aprint_error_dev(dev, "could not create sysctl\n"); 3466 3467 if (adapter->feat_cap & IXGBE_FEATURE_EEE) { 3468 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3469 CTLTYPE_INT, "eee_state", 3470 SYSCTL_DESCR("EEE Power Save State"), 3471 ixgbe_sysctl_eee_state, 0, (void *)adapter, 0, CTL_CREATE, 3472 CTL_EOL) != 0) 3473 aprint_error_dev(dev, "could not create sysctl\n"); 3474 } 3475 } /* ixgbe_add_device_sysctls */ 3476 3477 /************************************************************************ 3478 * ixgbe_allocate_pci_resources 3479 ************************************************************************/ 3480 static int 3481 ixgbe_allocate_pci_resources(struct adapter *adapter, 3482 const struct pci_attach_args *pa) 3483 { 3484 pcireg_t memtype, csr; 3485 device_t dev = adapter->dev; 3486 bus_addr_t addr; 3487 int flags; 3488 3489 memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, PCI_BAR(0)); 3490 switch (memtype) { 3491 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT: 3492 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT: 3493 adapter->osdep.mem_bus_space_tag = pa->pa_memt; 3494 if (pci_mapreg_info(pa->pa_pc, pa->pa_tag, PCI_BAR(0), 3495 memtype, &addr, &adapter->osdep.mem_size, &flags) != 0) 3496 goto map_err; 3497 if ((flags & BUS_SPACE_MAP_PREFETCHABLE) != 0) { 3498 aprint_normal_dev(dev, "clearing prefetchable bit\n"); 3499 flags &= ~BUS_SPACE_MAP_PREFETCHABLE; 3500 } 3501 if (bus_space_map(adapter->osdep.mem_bus_space_tag, addr, 3502 adapter->osdep.mem_size, flags, 3503 &adapter->osdep.mem_bus_space_handle) != 0) { 3504 map_err: 3505 adapter->osdep.mem_size = 0; 3506 aprint_error_dev(dev, "unable to map BAR0\n"); 3507 return ENXIO; 3508 } 3509 /* 3510 * Enable address decoding for memory range in case BIOS or 3511 * UEFI don't set it. 3512 */ 3513 csr = pci_conf_read(pa->pa_pc, pa->pa_tag, 3514 PCI_COMMAND_STATUS_REG); 3515 csr |= PCI_COMMAND_MEM_ENABLE; 3516 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 3517 csr); 3518 break; 3519 default: 3520 aprint_error_dev(dev, "unexpected type on BAR0\n"); 3521 return ENXIO; 3522 } 3523 3524 return (0); 3525 } /* ixgbe_allocate_pci_resources */ 3526 3527 static void 3528 ixgbe_free_deferred_handlers(struct adapter *adapter) 3529 { 3530 struct ix_queue *que = adapter->queues; 3531 struct tx_ring *txr = adapter->tx_rings; 3532 int i; 3533 3534 for (i = 0; i < adapter->num_queues; i++, que++, txr++) { 3535 if (!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX)) { 3536 if (txr->txr_si != NULL) 3537 softint_disestablish(txr->txr_si); 3538 } 3539 if (que->que_si != NULL) 3540 softint_disestablish(que->que_si); 3541 } 3542 if (adapter->txr_wq != NULL) 3543 workqueue_destroy(adapter->txr_wq); 3544 if (adapter->txr_wq_enqueued != NULL) 3545 percpu_free(adapter->txr_wq_enqueued, sizeof(u_int)); 3546 if (adapter->que_wq != NULL) 3547 workqueue_destroy(adapter->que_wq); 3548 3549 if (adapter->admin_wq != NULL) { 3550 workqueue_destroy(adapter->admin_wq); 3551 adapter->admin_wq = NULL; 3552 } 3553 if (adapter->timer_wq != NULL) { 3554 workqueue_destroy(adapter->timer_wq); 3555 adapter->timer_wq = NULL; 3556 } 3557 if (adapter->recovery_mode_timer_wq != NULL) { 3558 /* 3559 * ixgbe_ifstop() doesn't call the workqueue_wait() for 3560 * the recovery_mode_timer workqueue, so call it here. 3561 */ 3562 workqueue_wait(adapter->recovery_mode_timer_wq, 3563 &adapter->recovery_mode_timer_wc); 3564 atomic_store_relaxed(&adapter->recovery_mode_timer_pending, 0); 3565 workqueue_destroy(adapter->recovery_mode_timer_wq); 3566 adapter->recovery_mode_timer_wq = NULL; 3567 } 3568 } /* ixgbe_free_deferred_handlers */ 3569 3570 /************************************************************************ 3571 * ixgbe_detach - Device removal routine 3572 * 3573 * Called when the driver is being removed. 3574 * Stops the adapter and deallocates all the resources 3575 * that were allocated for driver operation. 3576 * 3577 * return 0 on success, positive on failure 3578 ************************************************************************/ 3579 static int 3580 ixgbe_detach(device_t dev, int flags) 3581 { 3582 struct adapter *adapter = device_private(dev); 3583 struct rx_ring *rxr = adapter->rx_rings; 3584 struct tx_ring *txr = adapter->tx_rings; 3585 struct ixgbe_hw *hw = &adapter->hw; 3586 struct ixgbe_hw_stats *stats = &adapter->stats.pf; 3587 u32 ctrl_ext; 3588 int i; 3589 3590 INIT_DEBUGOUT("ixgbe_detach: begin"); 3591 if (adapter->osdep.attached == false) 3592 return 0; 3593 3594 if (ixgbe_pci_iov_detach(dev) != 0) { 3595 device_printf(dev, "SR-IOV in use; detach first.\n"); 3596 return (EBUSY); 3597 } 3598 3599 #if NVLAN > 0 3600 /* Make sure VLANs are not using driver */ 3601 if (!VLAN_ATTACHED(&adapter->osdep.ec)) 3602 ; /* nothing to do: no VLANs */ 3603 else if ((flags & (DETACH_SHUTDOWN | DETACH_FORCE)) != 0) 3604 vlan_ifdetach(adapter->ifp); 3605 else { 3606 aprint_error_dev(dev, "VLANs in use, detach first\n"); 3607 return (EBUSY); 3608 } 3609 #endif 3610 3611 adapter->osdep.detaching = true; 3612 /* 3613 * Stop the interface. ixgbe_setup_low_power_mode() calls 3614 * ixgbe_ifstop(), so it's not required to call ixgbe_ifstop() 3615 * directly. 3616 */ 3617 ixgbe_setup_low_power_mode(adapter); 3618 3619 callout_halt(&adapter->timer, NULL); 3620 if (adapter->feat_en & IXGBE_FEATURE_RECOVERY_MODE) 3621 callout_halt(&adapter->recovery_mode_timer, NULL); 3622 3623 workqueue_wait(adapter->admin_wq, &adapter->admin_wc); 3624 atomic_store_relaxed(&adapter->admin_pending, 0); 3625 workqueue_wait(adapter->timer_wq, &adapter->timer_wc); 3626 atomic_store_relaxed(&adapter->timer_pending, 0); 3627 3628 pmf_device_deregister(dev); 3629 3630 ether_ifdetach(adapter->ifp); 3631 3632 ixgbe_free_deferred_handlers(adapter); 3633 3634 /* let hardware know driver is unloading */ 3635 ctrl_ext = IXGBE_READ_REG(&adapter->hw, IXGBE_CTRL_EXT); 3636 ctrl_ext &= ~IXGBE_CTRL_EXT_DRV_LOAD; 3637 IXGBE_WRITE_REG(&adapter->hw, IXGBE_CTRL_EXT, ctrl_ext); 3638 3639 if (adapter->feat_en & IXGBE_FEATURE_NETMAP) 3640 netmap_detach(adapter->ifp); 3641 3642 ixgbe_free_pci_resources(adapter); 3643 #if 0 /* XXX the NetBSD port is probably missing something here */ 3644 bus_generic_detach(dev); 3645 #endif 3646 if_detach(adapter->ifp); 3647 ifmedia_fini(&adapter->media); 3648 if_percpuq_destroy(adapter->ipq); 3649 3650 sysctl_teardown(&adapter->sysctllog); 3651 evcnt_detach(&adapter->efbig_tx_dma_setup); 3652 evcnt_detach(&adapter->mbuf_defrag_failed); 3653 evcnt_detach(&adapter->efbig2_tx_dma_setup); 3654 evcnt_detach(&adapter->einval_tx_dma_setup); 3655 evcnt_detach(&adapter->other_tx_dma_setup); 3656 evcnt_detach(&adapter->eagain_tx_dma_setup); 3657 evcnt_detach(&adapter->enomem_tx_dma_setup); 3658 evcnt_detach(&adapter->watchdog_events); 3659 evcnt_detach(&adapter->tso_err); 3660 evcnt_detach(&adapter->admin_irqev); 3661 evcnt_detach(&adapter->link_workev); 3662 evcnt_detach(&adapter->mod_workev); 3663 evcnt_detach(&adapter->msf_workev); 3664 evcnt_detach(&adapter->phy_workev); 3665 3666 for (i = 0; i < IXGBE_TC_COUNTER_NUM; i++) { 3667 if (i < __arraycount(stats->mpc)) { 3668 evcnt_detach(&stats->mpc[i]); 3669 if (hw->mac.type == ixgbe_mac_82598EB) 3670 evcnt_detach(&stats->rnbc[i]); 3671 } 3672 if (i < __arraycount(stats->pxontxc)) { 3673 evcnt_detach(&stats->pxontxc[i]); 3674 evcnt_detach(&stats->pxonrxc[i]); 3675 evcnt_detach(&stats->pxofftxc[i]); 3676 evcnt_detach(&stats->pxoffrxc[i]); 3677 if (hw->mac.type >= ixgbe_mac_82599EB) 3678 evcnt_detach(&stats->pxon2offc[i]); 3679 } 3680 } 3681 3682 txr = adapter->tx_rings; 3683 for (i = 0; i < adapter->num_queues; i++, rxr++, txr++) { 3684 evcnt_detach(&adapter->queues[i].irqs); 3685 evcnt_detach(&adapter->queues[i].handleq); 3686 evcnt_detach(&adapter->queues[i].req); 3687 evcnt_detach(&txr->no_desc_avail); 3688 evcnt_detach(&txr->total_packets); 3689 evcnt_detach(&txr->tso_tx); 3690 #ifndef IXGBE_LEGACY_TX 3691 evcnt_detach(&txr->pcq_drops); 3692 #endif 3693 3694 if (i < __arraycount(stats->qprc)) { 3695 evcnt_detach(&stats->qprc[i]); 3696 evcnt_detach(&stats->qptc[i]); 3697 evcnt_detach(&stats->qbrc[i]); 3698 evcnt_detach(&stats->qbtc[i]); 3699 if (hw->mac.type >= ixgbe_mac_82599EB) 3700 evcnt_detach(&stats->qprdc[i]); 3701 } 3702 3703 evcnt_detach(&rxr->rx_packets); 3704 evcnt_detach(&rxr->rx_bytes); 3705 evcnt_detach(&rxr->rx_copies); 3706 evcnt_detach(&rxr->no_jmbuf); 3707 evcnt_detach(&rxr->rx_discarded); 3708 } 3709 evcnt_detach(&stats->ipcs); 3710 evcnt_detach(&stats->l4cs); 3711 evcnt_detach(&stats->ipcs_bad); 3712 evcnt_detach(&stats->l4cs_bad); 3713 evcnt_detach(&stats->intzero); 3714 evcnt_detach(&stats->legint); 3715 evcnt_detach(&stats->crcerrs); 3716 evcnt_detach(&stats->illerrc); 3717 evcnt_detach(&stats->errbc); 3718 evcnt_detach(&stats->mspdc); 3719 if (hw->mac.type >= ixgbe_mac_X550) 3720 evcnt_detach(&stats->mbsdc); 3721 evcnt_detach(&stats->mpctotal); 3722 evcnt_detach(&stats->mlfc); 3723 evcnt_detach(&stats->mrfc); 3724 evcnt_detach(&stats->rlec); 3725 evcnt_detach(&stats->lxontxc); 3726 evcnt_detach(&stats->lxonrxc); 3727 evcnt_detach(&stats->lxofftxc); 3728 evcnt_detach(&stats->lxoffrxc); 3729 3730 /* Packet Reception Stats */ 3731 evcnt_detach(&stats->tor); 3732 evcnt_detach(&stats->gorc); 3733 evcnt_detach(&stats->tpr); 3734 evcnt_detach(&stats->gprc); 3735 evcnt_detach(&stats->mprc); 3736 evcnt_detach(&stats->bprc); 3737 evcnt_detach(&stats->prc64); 3738 evcnt_detach(&stats->prc127); 3739 evcnt_detach(&stats->prc255); 3740 evcnt_detach(&stats->prc511); 3741 evcnt_detach(&stats->prc1023); 3742 evcnt_detach(&stats->prc1522); 3743 evcnt_detach(&stats->ruc); 3744 evcnt_detach(&stats->rfc); 3745 evcnt_detach(&stats->roc); 3746 evcnt_detach(&stats->rjc); 3747 evcnt_detach(&stats->mngprc); 3748 evcnt_detach(&stats->mngpdc); 3749 evcnt_detach(&stats->xec); 3750 3751 /* Packet Transmission Stats */ 3752 evcnt_detach(&stats->gotc); 3753 evcnt_detach(&stats->tpt); 3754 evcnt_detach(&stats->gptc); 3755 evcnt_detach(&stats->bptc); 3756 evcnt_detach(&stats->mptc); 3757 evcnt_detach(&stats->mngptc); 3758 evcnt_detach(&stats->ptc64); 3759 evcnt_detach(&stats->ptc127); 3760 evcnt_detach(&stats->ptc255); 3761 evcnt_detach(&stats->ptc511); 3762 evcnt_detach(&stats->ptc1023); 3763 evcnt_detach(&stats->ptc1522); 3764 3765 ixgbe_free_queues(adapter); 3766 free(adapter->mta, M_DEVBUF); 3767 3768 mutex_destroy(&adapter->admin_mtx); /* XXX appropriate order? */ 3769 IXGBE_CORE_LOCK_DESTROY(adapter); 3770 3771 return (0); 3772 } /* ixgbe_detach */ 3773 3774 /************************************************************************ 3775 * ixgbe_setup_low_power_mode - LPLU/WoL preparation 3776 * 3777 * Prepare the adapter/port for LPLU and/or WoL 3778 ************************************************************************/ 3779 static int 3780 ixgbe_setup_low_power_mode(struct adapter *adapter) 3781 { 3782 struct ixgbe_hw *hw = &adapter->hw; 3783 device_t dev = adapter->dev; 3784 struct ifnet *ifp = adapter->ifp; 3785 s32 error = 0; 3786 3787 /* Limit power management flow to X550EM baseT */ 3788 if (hw->device_id == IXGBE_DEV_ID_X550EM_X_10G_T && 3789 hw->phy.ops.enter_lplu) { 3790 /* X550EM baseT adapters need a special LPLU flow */ 3791 hw->phy.reset_disable = true; 3792 ixgbe_ifstop(ifp, 1); 3793 error = hw->phy.ops.enter_lplu(hw); 3794 if (error) 3795 device_printf(dev, 3796 "Error entering LPLU: %d\n", error); 3797 hw->phy.reset_disable = false; 3798 } else { 3799 /* Just stop for other adapters */ 3800 ixgbe_ifstop(ifp, 1); 3801 } 3802 3803 IXGBE_CORE_LOCK(adapter); 3804 3805 if (!hw->wol_enabled) { 3806 ixgbe_set_phy_power(hw, FALSE); 3807 IXGBE_WRITE_REG(hw, IXGBE_WUFC, 0); 3808 IXGBE_WRITE_REG(hw, IXGBE_WUC, 0); 3809 } else { 3810 /* Turn off support for APM wakeup. (Using ACPI instead) */ 3811 IXGBE_WRITE_REG(hw, IXGBE_GRC_BY_MAC(hw), 3812 IXGBE_READ_REG(hw, IXGBE_GRC_BY_MAC(hw)) & ~(u32)2); 3813 3814 /* 3815 * Clear Wake Up Status register to prevent any previous wakeup 3816 * events from waking us up immediately after we suspend. 3817 */ 3818 IXGBE_WRITE_REG(hw, IXGBE_WUS, 0xffffffff); 3819 3820 /* 3821 * Program the Wakeup Filter Control register with user filter 3822 * settings 3823 */ 3824 IXGBE_WRITE_REG(hw, IXGBE_WUFC, adapter->wufc); 3825 3826 /* Enable wakeups and power management in Wakeup Control */ 3827 IXGBE_WRITE_REG(hw, IXGBE_WUC, 3828 IXGBE_WUC_WKEN | IXGBE_WUC_PME_EN); 3829 3830 } 3831 3832 IXGBE_CORE_UNLOCK(adapter); 3833 3834 return error; 3835 } /* ixgbe_setup_low_power_mode */ 3836 3837 /************************************************************************ 3838 * ixgbe_shutdown - Shutdown entry point 3839 ************************************************************************/ 3840 #if 0 /* XXX NetBSD ought to register something like this through pmf(9) */ 3841 static int 3842 ixgbe_shutdown(device_t dev) 3843 { 3844 struct adapter *adapter = device_private(dev); 3845 int error = 0; 3846 3847 INIT_DEBUGOUT("ixgbe_shutdown: begin"); 3848 3849 error = ixgbe_setup_low_power_mode(adapter); 3850 3851 return (error); 3852 } /* ixgbe_shutdown */ 3853 #endif 3854 3855 /************************************************************************ 3856 * ixgbe_suspend 3857 * 3858 * From D0 to D3 3859 ************************************************************************/ 3860 static bool 3861 ixgbe_suspend(device_t dev, const pmf_qual_t *qual) 3862 { 3863 struct adapter *adapter = device_private(dev); 3864 int error = 0; 3865 3866 INIT_DEBUGOUT("ixgbe_suspend: begin"); 3867 3868 error = ixgbe_setup_low_power_mode(adapter); 3869 3870 return (error); 3871 } /* ixgbe_suspend */ 3872 3873 /************************************************************************ 3874 * ixgbe_resume 3875 * 3876 * From D3 to D0 3877 ************************************************************************/ 3878 static bool 3879 ixgbe_resume(device_t dev, const pmf_qual_t *qual) 3880 { 3881 struct adapter *adapter = device_private(dev); 3882 struct ifnet *ifp = adapter->ifp; 3883 struct ixgbe_hw *hw = &adapter->hw; 3884 u32 wus; 3885 3886 INIT_DEBUGOUT("ixgbe_resume: begin"); 3887 3888 IXGBE_CORE_LOCK(adapter); 3889 3890 /* Read & clear WUS register */ 3891 wus = IXGBE_READ_REG(hw, IXGBE_WUS); 3892 if (wus) 3893 device_printf(dev, "Woken up by (WUS): %#010x\n", 3894 IXGBE_READ_REG(hw, IXGBE_WUS)); 3895 IXGBE_WRITE_REG(hw, IXGBE_WUS, 0xffffffff); 3896 /* And clear WUFC until next low-power transition */ 3897 IXGBE_WRITE_REG(hw, IXGBE_WUFC, 0); 3898 3899 /* 3900 * Required after D3->D0 transition; 3901 * will re-advertise all previous advertised speeds 3902 */ 3903 if (ifp->if_flags & IFF_UP) 3904 ixgbe_init_locked(adapter); 3905 3906 IXGBE_CORE_UNLOCK(adapter); 3907 3908 return true; 3909 } /* ixgbe_resume */ 3910 3911 /* 3912 * Set the various hardware offload abilities. 3913 * 3914 * This takes the ifnet's if_capenable flags (e.g. set by the user using 3915 * ifconfig) and indicates to the OS via the ifnet's if_hwassist field what 3916 * mbuf offload flags the driver will understand. 3917 */ 3918 static void 3919 ixgbe_set_if_hwassist(struct adapter *adapter) 3920 { 3921 /* XXX */ 3922 } 3923 3924 /************************************************************************ 3925 * ixgbe_init_locked - Init entry point 3926 * 3927 * Used in two ways: It is used by the stack as an init 3928 * entry point in network interface structure. It is also 3929 * used by the driver as a hw/sw initialization routine to 3930 * get to a consistent state. 3931 * 3932 * return 0 on success, positive on failure 3933 ************************************************************************/ 3934 static void 3935 ixgbe_init_locked(struct adapter *adapter) 3936 { 3937 struct ifnet *ifp = adapter->ifp; 3938 device_t dev = adapter->dev; 3939 struct ixgbe_hw *hw = &adapter->hw; 3940 struct ix_queue *que; 3941 struct tx_ring *txr; 3942 struct rx_ring *rxr; 3943 u32 txdctl, mhadd; 3944 u32 rxdctl, rxctrl; 3945 u32 ctrl_ext; 3946 bool unsupported_sfp = false; 3947 int i, j, err; 3948 3949 /* XXX check IFF_UP and IFF_RUNNING, power-saving state! */ 3950 3951 KASSERT(mutex_owned(&adapter->core_mtx)); 3952 INIT_DEBUGOUT("ixgbe_init_locked: begin"); 3953 3954 hw->need_unsupported_sfp_recovery = false; 3955 hw->adapter_stopped = FALSE; 3956 ixgbe_stop_adapter(hw); 3957 callout_stop(&adapter->timer); 3958 if (adapter->feat_en & IXGBE_FEATURE_RECOVERY_MODE) 3959 callout_stop(&adapter->recovery_mode_timer); 3960 for (i = 0, que = adapter->queues; i < adapter->num_queues; i++, que++) 3961 que->disabled_count = 0; 3962 3963 /* XXX I moved this here from the SIOCSIFMTU case in ixgbe_ioctl(). */ 3964 adapter->max_frame_size = 3965 ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN; 3966 3967 /* Queue indices may change with IOV mode */ 3968 ixgbe_align_all_queue_indices(adapter); 3969 3970 /* reprogram the RAR[0] in case user changed it. */ 3971 ixgbe_set_rar(hw, 0, hw->mac.addr, adapter->pool, IXGBE_RAH_AV); 3972 3973 /* Get the latest mac address, User can use a LAA */ 3974 memcpy(hw->mac.addr, CLLADDR(ifp->if_sadl), 3975 IXGBE_ETH_LENGTH_OF_ADDRESS); 3976 ixgbe_set_rar(hw, 0, hw->mac.addr, adapter->pool, 1); 3977 hw->addr_ctrl.rar_used_count = 1; 3978 3979 /* Set hardware offload abilities from ifnet flags */ 3980 ixgbe_set_if_hwassist(adapter); 3981 3982 /* Prepare transmit descriptors and buffers */ 3983 if (ixgbe_setup_transmit_structures(adapter)) { 3984 device_printf(dev, "Could not setup transmit structures\n"); 3985 ixgbe_stop_locked(adapter); 3986 return; 3987 } 3988 3989 ixgbe_init_hw(hw); 3990 3991 ixgbe_initialize_iov(adapter); 3992 3993 ixgbe_initialize_transmit_units(adapter); 3994 3995 /* Setup Multicast table */ 3996 ixgbe_set_rxfilter(adapter); 3997 3998 /* Determine the correct mbuf pool, based on frame size */ 3999 if (adapter->max_frame_size <= MCLBYTES) 4000 adapter->rx_mbuf_sz = MCLBYTES; 4001 else 4002 adapter->rx_mbuf_sz = MJUMPAGESIZE; 4003 4004 /* Prepare receive descriptors and buffers */ 4005 if (ixgbe_setup_receive_structures(adapter)) { 4006 device_printf(dev, "Could not setup receive structures\n"); 4007 ixgbe_stop_locked(adapter); 4008 return; 4009 } 4010 4011 /* Configure RX settings */ 4012 ixgbe_initialize_receive_units(adapter); 4013 4014 /* Initialize variable holding task enqueue requests interrupts */ 4015 adapter->task_requests = 0; 4016 4017 /* Enable SDP & MSI-X interrupts based on adapter */ 4018 ixgbe_config_gpie(adapter); 4019 4020 /* Set MTU size */ 4021 if (ifp->if_mtu > ETHERMTU) { 4022 /* aka IXGBE_MAXFRS on 82599 and newer */ 4023 mhadd = IXGBE_READ_REG(hw, IXGBE_MHADD); 4024 mhadd &= ~IXGBE_MHADD_MFS_MASK; 4025 mhadd |= adapter->max_frame_size << IXGBE_MHADD_MFS_SHIFT; 4026 IXGBE_WRITE_REG(hw, IXGBE_MHADD, mhadd); 4027 } 4028 4029 /* Now enable all the queues */ 4030 for (i = 0; i < adapter->num_queues; i++) { 4031 txr = &adapter->tx_rings[i]; 4032 txdctl = IXGBE_READ_REG(hw, IXGBE_TXDCTL(txr->me)); 4033 txdctl |= IXGBE_TXDCTL_ENABLE; 4034 /* Set WTHRESH to 8, burst writeback */ 4035 txdctl |= (8 << 16); 4036 /* 4037 * When the internal queue falls below PTHRESH (32), 4038 * start prefetching as long as there are at least 4039 * HTHRESH (1) buffers ready. The values are taken 4040 * from the Intel linux driver 3.8.21. 4041 * Prefetching enables tx line rate even with 1 queue. 4042 */ 4043 txdctl |= (32 << 0) | (1 << 8); 4044 IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(txr->me), txdctl); 4045 } 4046 4047 for (i = 0; i < adapter->num_queues; i++) { 4048 rxr = &adapter->rx_rings[i]; 4049 rxdctl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(rxr->me)); 4050 if (hw->mac.type == ixgbe_mac_82598EB) { 4051 /* 4052 * PTHRESH = 21 4053 * HTHRESH = 4 4054 * WTHRESH = 8 4055 */ 4056 rxdctl &= ~0x3FFFFF; 4057 rxdctl |= 0x080420; 4058 } 4059 rxdctl |= IXGBE_RXDCTL_ENABLE; 4060 IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(rxr->me), rxdctl); 4061 for (j = 0; j < 10; j++) { 4062 if (IXGBE_READ_REG(hw, IXGBE_RXDCTL(rxr->me)) & 4063 IXGBE_RXDCTL_ENABLE) 4064 break; 4065 else 4066 msec_delay(1); 4067 } 4068 IXGBE_WRITE_BARRIER(hw); 4069 4070 /* 4071 * In netmap mode, we must preserve the buffers made 4072 * available to userspace before the if_init() 4073 * (this is true by default on the TX side, because 4074 * init makes all buffers available to userspace). 4075 * 4076 * netmap_reset() and the device specific routines 4077 * (e.g. ixgbe_setup_receive_rings()) map these 4078 * buffers at the end of the NIC ring, so here we 4079 * must set the RDT (tail) register to make sure 4080 * they are not overwritten. 4081 * 4082 * In this driver the NIC ring starts at RDH = 0, 4083 * RDT points to the last slot available for reception (?), 4084 * so RDT = num_rx_desc - 1 means the whole ring is available. 4085 */ 4086 #ifdef DEV_NETMAP 4087 if ((adapter->feat_en & IXGBE_FEATURE_NETMAP) && 4088 (ifp->if_capenable & IFCAP_NETMAP)) { 4089 struct netmap_adapter *na = NA(adapter->ifp); 4090 struct netmap_kring *kring = na->rx_rings[i]; 4091 int t = na->num_rx_desc - 1 - nm_kr_rxspace(kring); 4092 4093 IXGBE_WRITE_REG(hw, IXGBE_RDT(rxr->me), t); 4094 } else 4095 #endif /* DEV_NETMAP */ 4096 IXGBE_WRITE_REG(hw, IXGBE_RDT(rxr->me), 4097 adapter->num_rx_desc - 1); 4098 } 4099 4100 /* Enable Receive engine */ 4101 rxctrl = IXGBE_READ_REG(hw, IXGBE_RXCTRL); 4102 if (hw->mac.type == ixgbe_mac_82598EB) 4103 rxctrl |= IXGBE_RXCTRL_DMBYPS; 4104 rxctrl |= IXGBE_RXCTRL_RXEN; 4105 ixgbe_enable_rx_dma(hw, rxctrl); 4106 4107 callout_reset(&adapter->timer, hz, ixgbe_local_timer, adapter); 4108 atomic_store_relaxed(&adapter->timer_pending, 0); 4109 if (adapter->feat_en & IXGBE_FEATURE_RECOVERY_MODE) 4110 callout_reset(&adapter->recovery_mode_timer, hz, 4111 ixgbe_recovery_mode_timer, adapter); 4112 4113 /* Set up MSI/MSI-X routing */ 4114 if (adapter->feat_en & IXGBE_FEATURE_MSIX) { 4115 ixgbe_configure_ivars(adapter); 4116 /* Set up auto-mask */ 4117 if (hw->mac.type == ixgbe_mac_82598EB) 4118 IXGBE_WRITE_REG(hw, IXGBE_EIAM, IXGBE_EICS_RTX_QUEUE); 4119 else { 4120 IXGBE_WRITE_REG(hw, IXGBE_EIAM_EX(0), 0xFFFFFFFF); 4121 IXGBE_WRITE_REG(hw, IXGBE_EIAM_EX(1), 0xFFFFFFFF); 4122 } 4123 } else { /* Simple settings for Legacy/MSI */ 4124 ixgbe_set_ivar(adapter, 0, 0, 0); 4125 ixgbe_set_ivar(adapter, 0, 0, 1); 4126 IXGBE_WRITE_REG(hw, IXGBE_EIAM, IXGBE_EICS_RTX_QUEUE); 4127 } 4128 4129 ixgbe_init_fdir(adapter); 4130 4131 /* 4132 * Check on any SFP devices that 4133 * need to be kick-started 4134 */ 4135 if (hw->phy.type == ixgbe_phy_none) { 4136 err = hw->phy.ops.identify(hw); 4137 if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) 4138 unsupported_sfp = true; 4139 } else if (hw->phy.type == ixgbe_phy_sfp_unsupported) 4140 unsupported_sfp = true; 4141 4142 if (unsupported_sfp) 4143 device_printf(dev, 4144 "Unsupported SFP+ module type was detected.\n"); 4145 4146 /* Set moderation on the Link interrupt */ 4147 ixgbe_eitr_write(adapter, adapter->vector, IXGBE_LINK_ITR); 4148 4149 /* Enable EEE power saving */ 4150 if (adapter->feat_cap & IXGBE_FEATURE_EEE) 4151 hw->mac.ops.setup_eee(hw, 4152 adapter->feat_en & IXGBE_FEATURE_EEE); 4153 4154 /* Enable power to the phy. */ 4155 if (!unsupported_sfp) { 4156 ixgbe_set_phy_power(hw, TRUE); 4157 4158 /* Config/Enable Link */ 4159 ixgbe_config_link(adapter); 4160 } 4161 4162 /* Hardware Packet Buffer & Flow Control setup */ 4163 ixgbe_config_delay_values(adapter); 4164 4165 /* Initialize the FC settings */ 4166 ixgbe_start_hw(hw); 4167 4168 /* Set up VLAN support and filter */ 4169 ixgbe_setup_vlan_hw_support(adapter); 4170 4171 /* Setup DMA Coalescing */ 4172 ixgbe_config_dmac(adapter); 4173 4174 /* OK to schedule workqueues. */ 4175 adapter->schedule_wqs_ok = true; 4176 4177 /* And now turn on interrupts */ 4178 ixgbe_enable_intr(adapter); 4179 4180 /* Enable the use of the MBX by the VF's */ 4181 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) { 4182 ctrl_ext = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT); 4183 ctrl_ext |= IXGBE_CTRL_EXT_PFRSTD; 4184 IXGBE_WRITE_REG(hw, IXGBE_CTRL_EXT, ctrl_ext); 4185 } 4186 4187 /* Update saved flags. See ixgbe_ifflags_cb() */ 4188 adapter->if_flags = ifp->if_flags; 4189 adapter->ec_capenable = adapter->osdep.ec.ec_capenable; 4190 4191 /* Now inform the stack we're ready */ 4192 ifp->if_flags |= IFF_RUNNING; 4193 4194 return; 4195 } /* ixgbe_init_locked */ 4196 4197 /************************************************************************ 4198 * ixgbe_init 4199 ************************************************************************/ 4200 static int 4201 ixgbe_init(struct ifnet *ifp) 4202 { 4203 struct adapter *adapter = ifp->if_softc; 4204 4205 IXGBE_CORE_LOCK(adapter); 4206 ixgbe_init_locked(adapter); 4207 IXGBE_CORE_UNLOCK(adapter); 4208 4209 return 0; /* XXX ixgbe_init_locked cannot fail? really? */ 4210 } /* ixgbe_init */ 4211 4212 /************************************************************************ 4213 * ixgbe_set_ivar 4214 * 4215 * Setup the correct IVAR register for a particular MSI-X interrupt 4216 * (yes this is all very magic and confusing :) 4217 * - entry is the register array entry 4218 * - vector is the MSI-X vector for this queue 4219 * - type is RX/TX/MISC 4220 ************************************************************************/ 4221 static void 4222 ixgbe_set_ivar(struct adapter *adapter, u8 entry, u8 vector, s8 type) 4223 { 4224 struct ixgbe_hw *hw = &adapter->hw; 4225 u32 ivar, index; 4226 4227 vector |= IXGBE_IVAR_ALLOC_VAL; 4228 4229 switch (hw->mac.type) { 4230 case ixgbe_mac_82598EB: 4231 if (type == -1) 4232 entry = IXGBE_IVAR_OTHER_CAUSES_INDEX; 4233 else 4234 entry += (type * 64); 4235 index = (entry >> 2) & 0x1F; 4236 ivar = IXGBE_READ_REG(hw, IXGBE_IVAR(index)); 4237 ivar &= ~(0xffUL << (8 * (entry & 0x3))); 4238 ivar |= ((u32)vector << (8 * (entry & 0x3))); 4239 IXGBE_WRITE_REG(&adapter->hw, IXGBE_IVAR(index), ivar); 4240 break; 4241 case ixgbe_mac_82599EB: 4242 case ixgbe_mac_X540: 4243 case ixgbe_mac_X550: 4244 case ixgbe_mac_X550EM_x: 4245 case ixgbe_mac_X550EM_a: 4246 if (type == -1) { /* MISC IVAR */ 4247 index = (entry & 1) * 8; 4248 ivar = IXGBE_READ_REG(hw, IXGBE_IVAR_MISC); 4249 ivar &= ~(0xffUL << index); 4250 ivar |= ((u32)vector << index); 4251 IXGBE_WRITE_REG(hw, IXGBE_IVAR_MISC, ivar); 4252 } else { /* RX/TX IVARS */ 4253 index = (16 * (entry & 1)) + (8 * type); 4254 ivar = IXGBE_READ_REG(hw, IXGBE_IVAR(entry >> 1)); 4255 ivar &= ~(0xffUL << index); 4256 ivar |= ((u32)vector << index); 4257 IXGBE_WRITE_REG(hw, IXGBE_IVAR(entry >> 1), ivar); 4258 } 4259 break; 4260 default: 4261 break; 4262 } 4263 } /* ixgbe_set_ivar */ 4264 4265 /************************************************************************ 4266 * ixgbe_configure_ivars 4267 ************************************************************************/ 4268 static void 4269 ixgbe_configure_ivars(struct adapter *adapter) 4270 { 4271 struct ix_queue *que = adapter->queues; 4272 u32 newitr; 4273 4274 if (ixgbe_max_interrupt_rate > 0) 4275 newitr = (4000000 / ixgbe_max_interrupt_rate) & 0x0FF8; 4276 else { 4277 /* 4278 * Disable DMA coalescing if interrupt moderation is 4279 * disabled. 4280 */ 4281 adapter->dmac = 0; 4282 newitr = 0; 4283 } 4284 4285 for (int i = 0; i < adapter->num_queues; i++, que++) { 4286 struct rx_ring *rxr = &adapter->rx_rings[i]; 4287 struct tx_ring *txr = &adapter->tx_rings[i]; 4288 /* First the RX queue entry */ 4289 ixgbe_set_ivar(adapter, rxr->me, que->msix, 0); 4290 /* ... and the TX */ 4291 ixgbe_set_ivar(adapter, txr->me, que->msix, 1); 4292 /* Set an Initial EITR value */ 4293 ixgbe_eitr_write(adapter, que->msix, newitr); 4294 /* 4295 * To eliminate influence of the previous state. 4296 * At this point, Tx/Rx interrupt handler 4297 * (ixgbe_msix_que()) cannot be called, so both 4298 * IXGBE_TX_LOCK and IXGBE_RX_LOCK are not required. 4299 */ 4300 que->eitr_setting = 0; 4301 } 4302 4303 /* For the Link interrupt */ 4304 ixgbe_set_ivar(adapter, 1, adapter->vector, -1); 4305 } /* ixgbe_configure_ivars */ 4306 4307 /************************************************************************ 4308 * ixgbe_config_gpie 4309 ************************************************************************/ 4310 static void 4311 ixgbe_config_gpie(struct adapter *adapter) 4312 { 4313 struct ixgbe_hw *hw = &adapter->hw; 4314 u32 gpie; 4315 4316 gpie = IXGBE_READ_REG(hw, IXGBE_GPIE); 4317 4318 if (adapter->feat_en & IXGBE_FEATURE_MSIX) { 4319 /* Enable Enhanced MSI-X mode */ 4320 gpie |= IXGBE_GPIE_MSIX_MODE 4321 | IXGBE_GPIE_EIAME 4322 | IXGBE_GPIE_PBA_SUPPORT 4323 | IXGBE_GPIE_OCD; 4324 } 4325 4326 /* Fan Failure Interrupt */ 4327 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) 4328 gpie |= IXGBE_SDP1_GPIEN; 4329 4330 /* Thermal Sensor Interrupt */ 4331 if (adapter->feat_en & IXGBE_FEATURE_TEMP_SENSOR) 4332 gpie |= IXGBE_SDP0_GPIEN_X540; 4333 4334 /* Link detection */ 4335 switch (hw->mac.type) { 4336 case ixgbe_mac_82599EB: 4337 gpie |= IXGBE_SDP1_GPIEN | IXGBE_SDP2_GPIEN; 4338 break; 4339 case ixgbe_mac_X550EM_x: 4340 case ixgbe_mac_X550EM_a: 4341 gpie |= IXGBE_SDP0_GPIEN_X540; 4342 break; 4343 default: 4344 break; 4345 } 4346 4347 IXGBE_WRITE_REG(hw, IXGBE_GPIE, gpie); 4348 4349 } /* ixgbe_config_gpie */ 4350 4351 /************************************************************************ 4352 * ixgbe_config_delay_values 4353 * 4354 * Requires adapter->max_frame_size to be set. 4355 ************************************************************************/ 4356 static void 4357 ixgbe_config_delay_values(struct adapter *adapter) 4358 { 4359 struct ixgbe_hw *hw = &adapter->hw; 4360 u32 rxpb, frame, size, tmp; 4361 4362 frame = adapter->max_frame_size; 4363 4364 /* Calculate High Water */ 4365 switch (hw->mac.type) { 4366 case ixgbe_mac_X540: 4367 case ixgbe_mac_X550: 4368 case ixgbe_mac_X550EM_x: 4369 case ixgbe_mac_X550EM_a: 4370 tmp = IXGBE_DV_X540(frame, frame); 4371 break; 4372 default: 4373 tmp = IXGBE_DV(frame, frame); 4374 break; 4375 } 4376 size = IXGBE_BT2KB(tmp); 4377 rxpb = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(0)) >> 10; 4378 hw->fc.high_water[0] = rxpb - size; 4379 4380 /* Now calculate Low Water */ 4381 switch (hw->mac.type) { 4382 case ixgbe_mac_X540: 4383 case ixgbe_mac_X550: 4384 case ixgbe_mac_X550EM_x: 4385 case ixgbe_mac_X550EM_a: 4386 tmp = IXGBE_LOW_DV_X540(frame); 4387 break; 4388 default: 4389 tmp = IXGBE_LOW_DV(frame); 4390 break; 4391 } 4392 hw->fc.low_water[0] = IXGBE_BT2KB(tmp); 4393 4394 hw->fc.pause_time = IXGBE_FC_PAUSE; 4395 hw->fc.send_xon = TRUE; 4396 } /* ixgbe_config_delay_values */ 4397 4398 /************************************************************************ 4399 * ixgbe_set_rxfilter - Multicast Update 4400 * 4401 * Called whenever multicast address list is updated. 4402 ************************************************************************/ 4403 static void 4404 ixgbe_set_rxfilter(struct adapter *adapter) 4405 { 4406 struct ixgbe_mc_addr *mta; 4407 struct ifnet *ifp = adapter->ifp; 4408 u8 *update_ptr; 4409 int mcnt = 0; 4410 u32 fctrl; 4411 struct ethercom *ec = &adapter->osdep.ec; 4412 struct ether_multi *enm; 4413 struct ether_multistep step; 4414 4415 KASSERT(mutex_owned(&adapter->core_mtx)); 4416 IOCTL_DEBUGOUT("ixgbe_set_rxfilter: begin"); 4417 4418 mta = adapter->mta; 4419 bzero(mta, sizeof(*mta) * MAX_NUM_MULTICAST_ADDRESSES); 4420 4421 ETHER_LOCK(ec); 4422 ec->ec_flags &= ~ETHER_F_ALLMULTI; 4423 ETHER_FIRST_MULTI(step, ec, enm); 4424 while (enm != NULL) { 4425 if ((mcnt == MAX_NUM_MULTICAST_ADDRESSES) || 4426 (memcmp(enm->enm_addrlo, enm->enm_addrhi, 4427 ETHER_ADDR_LEN) != 0)) { 4428 ec->ec_flags |= ETHER_F_ALLMULTI; 4429 break; 4430 } 4431 bcopy(enm->enm_addrlo, 4432 mta[mcnt].addr, IXGBE_ETH_LENGTH_OF_ADDRESS); 4433 mta[mcnt].vmdq = adapter->pool; 4434 mcnt++; 4435 ETHER_NEXT_MULTI(step, enm); 4436 } 4437 4438 fctrl = IXGBE_READ_REG(&adapter->hw, IXGBE_FCTRL); 4439 if (ifp->if_flags & IFF_PROMISC) 4440 fctrl |= (IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE); 4441 else if (ec->ec_flags & ETHER_F_ALLMULTI) { 4442 fctrl |= IXGBE_FCTRL_MPE; 4443 fctrl &= ~IXGBE_FCTRL_UPE; 4444 } else 4445 fctrl &= ~(IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE); 4446 4447 IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCTRL, fctrl); 4448 4449 /* Update multicast filter entries only when it's not ALLMULTI */ 4450 if ((ec->ec_flags & ETHER_F_ALLMULTI) == 0) { 4451 ETHER_UNLOCK(ec); 4452 update_ptr = (u8 *)mta; 4453 ixgbe_update_mc_addr_list(&adapter->hw, update_ptr, mcnt, 4454 ixgbe_mc_array_itr, TRUE); 4455 } else 4456 ETHER_UNLOCK(ec); 4457 } /* ixgbe_set_rxfilter */ 4458 4459 /************************************************************************ 4460 * ixgbe_mc_array_itr 4461 * 4462 * An iterator function needed by the multicast shared code. 4463 * It feeds the shared code routine the addresses in the 4464 * array of ixgbe_set_rxfilter() one by one. 4465 ************************************************************************/ 4466 static u8 * 4467 ixgbe_mc_array_itr(struct ixgbe_hw *hw, u8 **update_ptr, u32 *vmdq) 4468 { 4469 struct ixgbe_mc_addr *mta; 4470 4471 mta = (struct ixgbe_mc_addr *)*update_ptr; 4472 *vmdq = mta->vmdq; 4473 4474 *update_ptr = (u8*)(mta + 1); 4475 4476 return (mta->addr); 4477 } /* ixgbe_mc_array_itr */ 4478 4479 /************************************************************************ 4480 * ixgbe_local_timer - Timer routine 4481 * 4482 * Checks for link status, updates statistics, 4483 * and runs the watchdog check. 4484 ************************************************************************/ 4485 static void 4486 ixgbe_local_timer(void *arg) 4487 { 4488 struct adapter *adapter = arg; 4489 4490 if (adapter->schedule_wqs_ok) { 4491 if (atomic_cas_uint(&adapter->timer_pending, 0, 1) == 0) 4492 workqueue_enqueue(adapter->timer_wq, 4493 &adapter->timer_wc, NULL); 4494 } 4495 } 4496 4497 static void 4498 ixgbe_handle_timer(struct work *wk, void *context) 4499 { 4500 struct adapter *adapter = context; 4501 struct ixgbe_hw *hw = &adapter->hw; 4502 device_t dev = adapter->dev; 4503 struct ix_queue *que = adapter->queues; 4504 u64 queues = 0; 4505 u64 v0, v1, v2, v3, v4, v5, v6, v7; 4506 int hung = 0; 4507 int i; 4508 4509 IXGBE_CORE_LOCK(adapter); 4510 4511 /* Check for pluggable optics */ 4512 if (ixgbe_is_sfp(hw)) { 4513 bool sched_mod_task = false; 4514 4515 if (hw->mac.type == ixgbe_mac_82598EB) { 4516 /* 4517 * On 82598EB, SFP+'s MOD_ABS pin is not connected to 4518 * any GPIO(SDP). So just schedule TASK_MOD. 4519 */ 4520 sched_mod_task = true; 4521 } else { 4522 bool was_full, is_full; 4523 4524 was_full = 4525 hw->phy.sfp_type != ixgbe_sfp_type_not_present; 4526 is_full = ixgbe_sfp_cage_full(hw); 4527 4528 /* Do probe if cage state changed */ 4529 if (was_full ^ is_full) 4530 sched_mod_task = true; 4531 } 4532 if (sched_mod_task) { 4533 mutex_enter(&adapter->admin_mtx); 4534 adapter->task_requests |= IXGBE_REQUEST_TASK_MOD_WOI; 4535 ixgbe_schedule_admin_tasklet(adapter); 4536 mutex_exit(&adapter->admin_mtx); 4537 } 4538 } 4539 4540 ixgbe_update_link_status(adapter); 4541 ixgbe_update_stats_counters(adapter); 4542 4543 /* Update some event counters */ 4544 v0 = v1 = v2 = v3 = v4 = v5 = v6 = v7 = 0; 4545 que = adapter->queues; 4546 for (i = 0; i < adapter->num_queues; i++, que++) { 4547 struct tx_ring *txr = que->txr; 4548 4549 v0 += txr->q_efbig_tx_dma_setup; 4550 v1 += txr->q_mbuf_defrag_failed; 4551 v2 += txr->q_efbig2_tx_dma_setup; 4552 v3 += txr->q_einval_tx_dma_setup; 4553 v4 += txr->q_other_tx_dma_setup; 4554 v5 += txr->q_eagain_tx_dma_setup; 4555 v6 += txr->q_enomem_tx_dma_setup; 4556 v7 += txr->q_tso_err; 4557 } 4558 adapter->efbig_tx_dma_setup.ev_count = v0; 4559 adapter->mbuf_defrag_failed.ev_count = v1; 4560 adapter->efbig2_tx_dma_setup.ev_count = v2; 4561 adapter->einval_tx_dma_setup.ev_count = v3; 4562 adapter->other_tx_dma_setup.ev_count = v4; 4563 adapter->eagain_tx_dma_setup.ev_count = v5; 4564 adapter->enomem_tx_dma_setup.ev_count = v6; 4565 adapter->tso_err.ev_count = v7; 4566 4567 /* 4568 * Check the TX queues status 4569 * - mark hung queues so we don't schedule on them 4570 * - watchdog only if all queues show hung 4571 */ 4572 que = adapter->queues; 4573 for (i = 0; i < adapter->num_queues; i++, que++) { 4574 /* Keep track of queues with work for soft irq */ 4575 if (que->txr->busy) 4576 queues |= 1ULL << que->me; 4577 /* 4578 * Each time txeof runs without cleaning, but there 4579 * are uncleaned descriptors it increments busy. If 4580 * we get to the MAX we declare it hung. 4581 */ 4582 if (que->busy == IXGBE_QUEUE_HUNG) { 4583 ++hung; 4584 /* Mark the queue as inactive */ 4585 adapter->active_queues &= ~(1ULL << que->me); 4586 continue; 4587 } else { 4588 /* Check if we've come back from hung */ 4589 if ((adapter->active_queues & (1ULL << que->me)) == 0) 4590 adapter->active_queues |= 1ULL << que->me; 4591 } 4592 if (que->busy >= IXGBE_MAX_TX_BUSY) { 4593 device_printf(dev, 4594 "Warning queue %d appears to be hung!\n", i); 4595 que->txr->busy = IXGBE_QUEUE_HUNG; 4596 ++hung; 4597 } 4598 } 4599 4600 /* Only truly watchdog if all queues show hung */ 4601 if (hung == adapter->num_queues) 4602 goto watchdog; 4603 #if 0 /* XXX Avoid unexpectedly disabling interrupt forever (PR#53294) */ 4604 else if (queues != 0) { /* Force an IRQ on queues with work */ 4605 que = adapter->queues; 4606 for (i = 0; i < adapter->num_queues; i++, que++) { 4607 mutex_enter(&que->dc_mtx); 4608 if (que->disabled_count == 0) 4609 ixgbe_rearm_queues(adapter, 4610 queues & ((u64)1 << i)); 4611 mutex_exit(&que->dc_mtx); 4612 } 4613 } 4614 #endif 4615 4616 atomic_store_relaxed(&adapter->timer_pending, 0); 4617 IXGBE_CORE_UNLOCK(adapter); 4618 callout_reset(&adapter->timer, hz, ixgbe_local_timer, adapter); 4619 return; 4620 4621 watchdog: 4622 device_printf(adapter->dev, "Watchdog timeout -- resetting\n"); 4623 adapter->ifp->if_flags &= ~IFF_RUNNING; 4624 adapter->watchdog_events.ev_count++; 4625 ixgbe_init_locked(adapter); 4626 IXGBE_CORE_UNLOCK(adapter); 4627 } /* ixgbe_handle_timer */ 4628 4629 /************************************************************************ 4630 * ixgbe_recovery_mode_timer - Recovery mode timer routine 4631 ************************************************************************/ 4632 static void 4633 ixgbe_recovery_mode_timer(void *arg) 4634 { 4635 struct adapter *adapter = arg; 4636 4637 if (__predict_true(adapter->osdep.detaching == false)) { 4638 if (atomic_cas_uint(&adapter->recovery_mode_timer_pending, 4639 0, 1) == 0) { 4640 workqueue_enqueue(adapter->recovery_mode_timer_wq, 4641 &adapter->recovery_mode_timer_wc, NULL); 4642 } 4643 } 4644 } 4645 4646 static void 4647 ixgbe_handle_recovery_mode_timer(struct work *wk, void *context) 4648 { 4649 struct adapter *adapter = context; 4650 struct ixgbe_hw *hw = &adapter->hw; 4651 4652 IXGBE_CORE_LOCK(adapter); 4653 if (ixgbe_fw_recovery_mode(hw)) { 4654 if (atomic_cas_uint(&adapter->recovery_mode, 0, 1)) { 4655 /* Firmware error detected, entering recovery mode */ 4656 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"); 4657 4658 if (hw->adapter_stopped == FALSE) 4659 ixgbe_stop_locked(adapter); 4660 } 4661 } else 4662 atomic_cas_uint(&adapter->recovery_mode, 1, 0); 4663 4664 atomic_store_relaxed(&adapter->recovery_mode_timer_pending, 0); 4665 callout_reset(&adapter->recovery_mode_timer, hz, 4666 ixgbe_recovery_mode_timer, adapter); 4667 IXGBE_CORE_UNLOCK(adapter); 4668 } /* ixgbe_handle_recovery_mode_timer */ 4669 4670 /************************************************************************ 4671 * ixgbe_handle_mod - Tasklet for SFP module interrupts 4672 * bool int_en: true if it's called when the interrupt is enabled. 4673 ************************************************************************/ 4674 static void 4675 ixgbe_handle_mod(void *context, bool int_en) 4676 { 4677 struct adapter *adapter = context; 4678 struct ixgbe_hw *hw = &adapter->hw; 4679 device_t dev = adapter->dev; 4680 enum ixgbe_sfp_type last_sfp_type; 4681 u32 err; 4682 bool last_unsupported_sfp_recovery; 4683 4684 KASSERT(mutex_owned(&adapter->core_mtx)); 4685 4686 last_sfp_type = hw->phy.sfp_type; 4687 last_unsupported_sfp_recovery = hw->need_unsupported_sfp_recovery; 4688 ++adapter->mod_workev.ev_count; 4689 if (adapter->hw.need_crosstalk_fix) { 4690 if ((hw->mac.type != ixgbe_mac_82598EB) && 4691 !ixgbe_sfp_cage_full(hw)) 4692 goto out; 4693 } 4694 4695 err = hw->phy.ops.identify_sfp(hw); 4696 if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) { 4697 if (last_unsupported_sfp_recovery == false) 4698 device_printf(dev, 4699 "Unsupported SFP+ module type was detected.\n"); 4700 goto out; 4701 } 4702 4703 if (hw->need_unsupported_sfp_recovery) { 4704 device_printf(dev, "Recovering from unsupported SFP\n"); 4705 /* 4706 * We could recover the status by calling setup_sfp(), 4707 * setup_link() and some others. It's complex and might not 4708 * work correctly on some unknown cases. To avoid such type of 4709 * problem, call ixgbe_init_locked(). It's simple and safe 4710 * approach. 4711 */ 4712 ixgbe_init_locked(adapter); 4713 } else if ((hw->phy.sfp_type != ixgbe_sfp_type_not_present) && 4714 (hw->phy.sfp_type != last_sfp_type)) { 4715 /* A module is inserted and changed. */ 4716 4717 if (hw->mac.type == ixgbe_mac_82598EB) 4718 err = hw->phy.ops.reset(hw); 4719 else { 4720 err = hw->mac.ops.setup_sfp(hw); 4721 hw->phy.sfp_setup_needed = FALSE; 4722 } 4723 if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) { 4724 device_printf(dev, 4725 "Setup failure - unsupported SFP+ module type.\n"); 4726 goto out; 4727 } 4728 } 4729 4730 out: 4731 /* get_supported_phy_layer will call hw->phy.ops.identify_sfp() */ 4732 adapter->phy_layer = ixgbe_get_supported_physical_layer(hw); 4733 4734 /* Adjust media types shown in ifconfig */ 4735 IXGBE_CORE_UNLOCK(adapter); 4736 ifmedia_removeall(&adapter->media); 4737 ixgbe_add_media_types(adapter); 4738 ifmedia_set(&adapter->media, IFM_ETHER | IFM_AUTO); 4739 IXGBE_CORE_LOCK(adapter); 4740 4741 /* 4742 * Don't shedule MSF event if the chip is 82598. 82598 doesn't support 4743 * MSF. At least, calling ixgbe_handle_msf on 82598 DA makes the link 4744 * flap because the function calls setup_link(). 4745 */ 4746 if (hw->mac.type != ixgbe_mac_82598EB) { 4747 mutex_enter(&adapter->admin_mtx); 4748 if (int_en) 4749 adapter->task_requests |= IXGBE_REQUEST_TASK_MSF; 4750 else 4751 adapter->task_requests |= IXGBE_REQUEST_TASK_MSF_WOI; 4752 mutex_exit(&adapter->admin_mtx); 4753 } 4754 4755 /* 4756 * Don't call ixgbe_schedule_admin_tasklet() because we are on 4757 * the workqueue now. 4758 */ 4759 } /* ixgbe_handle_mod */ 4760 4761 4762 /************************************************************************ 4763 * ixgbe_handle_msf - Tasklet for MSF (multispeed fiber) interrupts 4764 ************************************************************************/ 4765 static void 4766 ixgbe_handle_msf(void *context) 4767 { 4768 struct adapter *adapter = context; 4769 struct ixgbe_hw *hw = &adapter->hw; 4770 u32 autoneg; 4771 bool negotiate; 4772 4773 KASSERT(mutex_owned(&adapter->core_mtx)); 4774 4775 ++adapter->msf_workev.ev_count; 4776 4777 autoneg = hw->phy.autoneg_advertised; 4778 if ((!autoneg) && (hw->mac.ops.get_link_capabilities)) 4779 hw->mac.ops.get_link_capabilities(hw, &autoneg, &negotiate); 4780 if (hw->mac.ops.setup_link) 4781 hw->mac.ops.setup_link(hw, autoneg, TRUE); 4782 } /* ixgbe_handle_msf */ 4783 4784 /************************************************************************ 4785 * ixgbe_handle_phy - Tasklet for external PHY interrupts 4786 ************************************************************************/ 4787 static void 4788 ixgbe_handle_phy(void *context) 4789 { 4790 struct adapter *adapter = context; 4791 struct ixgbe_hw *hw = &adapter->hw; 4792 int error; 4793 4794 KASSERT(mutex_owned(&adapter->core_mtx)); 4795 4796 ++adapter->phy_workev.ev_count; 4797 error = hw->phy.ops.handle_lasi(hw); 4798 if (error == IXGBE_ERR_OVERTEMP) 4799 device_printf(adapter->dev, 4800 "CRITICAL: EXTERNAL PHY OVER TEMP!! " 4801 " PHY will downshift to lower power state!\n"); 4802 else if (error) 4803 device_printf(adapter->dev, 4804 "Error handling LASI interrupt: %d\n", error); 4805 } /* ixgbe_handle_phy */ 4806 4807 static void 4808 ixgbe_handle_admin(struct work *wk, void *context) 4809 { 4810 struct adapter *adapter = context; 4811 struct ifnet *ifp = adapter->ifp; 4812 struct ixgbe_hw *hw = &adapter->hw; 4813 u32 task_requests; 4814 u32 eims_enable = 0; 4815 4816 mutex_enter(&adapter->admin_mtx); 4817 adapter->admin_pending = 0; 4818 task_requests = adapter->task_requests; 4819 adapter->task_requests = 0; 4820 mutex_exit(&adapter->admin_mtx); 4821 4822 /* 4823 * Hold the IFNET_LOCK across this entire call. This will 4824 * prevent additional changes to adapter->phy_layer 4825 * and serialize calls to this tasklet. We cannot hold the 4826 * CORE_LOCK while calling into the ifmedia functions as 4827 * they call ifmedia_lock() and the lock is CORE_LOCK. 4828 */ 4829 IFNET_LOCK(ifp); 4830 IXGBE_CORE_LOCK(adapter); 4831 if ((task_requests & IXGBE_REQUEST_TASK_LSC) != 0) { 4832 ixgbe_handle_link(adapter); 4833 eims_enable |= IXGBE_EIMS_LSC; 4834 } 4835 if ((task_requests & IXGBE_REQUEST_TASK_MOD_WOI) != 0) { 4836 ixgbe_handle_mod(adapter, false); 4837 } 4838 if ((task_requests & IXGBE_REQUEST_TASK_MOD) != 0) { 4839 ixgbe_handle_mod(adapter, true); 4840 if (hw->mac.type >= ixgbe_mac_X540) 4841 eims_enable |= IXGBE_EICR_GPI_SDP0_X540; 4842 else 4843 eims_enable |= IXGBE_EICR_GPI_SDP2_BY_MAC(hw); 4844 } 4845 if ((task_requests 4846 & (IXGBE_REQUEST_TASK_MSF_WOI | IXGBE_REQUEST_TASK_MSF)) != 0) { 4847 ixgbe_handle_msf(adapter); 4848 if (((task_requests & IXGBE_REQUEST_TASK_MSF) != 0) && 4849 (hw->mac.type == ixgbe_mac_82599EB)) 4850 eims_enable |= IXGBE_EIMS_GPI_SDP1_BY_MAC(hw); 4851 } 4852 if ((task_requests & IXGBE_REQUEST_TASK_PHY) != 0) { 4853 ixgbe_handle_phy(adapter); 4854 eims_enable |= IXGBE_EICR_GPI_SDP0_X540; 4855 } 4856 if ((task_requests & IXGBE_REQUEST_TASK_FDIR) != 0) { 4857 ixgbe_reinit_fdir(adapter); 4858 eims_enable |= IXGBE_EIMS_FLOW_DIR; 4859 } 4860 #if 0 /* notyet */ 4861 if ((task_requests & IXGBE_REQUEST_TASK_MBX) != 0) { 4862 ixgbe_handle_mbx(adapter); 4863 eims_enable |= IXGBE_EIMS_MAILBOX; 4864 } 4865 #endif 4866 IXGBE_WRITE_REG(hw, IXGBE_EIMS, eims_enable); 4867 4868 IXGBE_CORE_UNLOCK(adapter); 4869 IFNET_UNLOCK(ifp); 4870 } /* ixgbe_handle_admin */ 4871 4872 static void 4873 ixgbe_ifstop(struct ifnet *ifp, int disable) 4874 { 4875 struct adapter *adapter = ifp->if_softc; 4876 4877 IXGBE_CORE_LOCK(adapter); 4878 ixgbe_stop_locked(adapter); 4879 IXGBE_CORE_UNLOCK(adapter); 4880 4881 workqueue_wait(adapter->timer_wq, &adapter->timer_wc); 4882 atomic_store_relaxed(&adapter->timer_pending, 0); 4883 } 4884 4885 /************************************************************************ 4886 * ixgbe_stop_locked - Stop the hardware 4887 * 4888 * Disables all traffic on the adapter by issuing a 4889 * global reset on the MAC and deallocates TX/RX buffers. 4890 ************************************************************************/ 4891 static void 4892 ixgbe_stop_locked(void *arg) 4893 { 4894 struct ifnet *ifp; 4895 struct adapter *adapter = arg; 4896 struct ixgbe_hw *hw = &adapter->hw; 4897 4898 ifp = adapter->ifp; 4899 4900 KASSERT(mutex_owned(&adapter->core_mtx)); 4901 4902 INIT_DEBUGOUT("ixgbe_stop_locked: begin\n"); 4903 ixgbe_disable_intr(adapter); 4904 callout_stop(&adapter->timer); 4905 4906 /* Don't schedule workqueues. */ 4907 adapter->schedule_wqs_ok = false; 4908 4909 /* Let the stack know...*/ 4910 ifp->if_flags &= ~IFF_RUNNING; 4911 4912 ixgbe_reset_hw(hw); 4913 hw->adapter_stopped = FALSE; 4914 ixgbe_stop_adapter(hw); 4915 if (hw->mac.type == ixgbe_mac_82599EB) 4916 ixgbe_stop_mac_link_on_d3_82599(hw); 4917 /* Turn off the laser - noop with no optics */ 4918 ixgbe_disable_tx_laser(hw); 4919 4920 /* Update the stack */ 4921 adapter->link_up = FALSE; 4922 ixgbe_update_link_status(adapter); 4923 4924 /* reprogram the RAR[0] in case user changed it. */ 4925 ixgbe_set_rar(&adapter->hw, 0, adapter->hw.mac.addr, 0, IXGBE_RAH_AV); 4926 4927 return; 4928 } /* ixgbe_stop_locked */ 4929 4930 /************************************************************************ 4931 * ixgbe_update_link_status - Update OS on link state 4932 * 4933 * Note: Only updates the OS on the cached link state. 4934 * The real check of the hardware only happens with 4935 * a link interrupt. 4936 ************************************************************************/ 4937 static void 4938 ixgbe_update_link_status(struct adapter *adapter) 4939 { 4940 struct ifnet *ifp = adapter->ifp; 4941 device_t dev = adapter->dev; 4942 struct ixgbe_hw *hw = &adapter->hw; 4943 4944 KASSERT(mutex_owned(&adapter->core_mtx)); 4945 4946 if (adapter->link_up) { 4947 if (adapter->link_active != LINK_STATE_UP) { 4948 /* 4949 * To eliminate influence of the previous state 4950 * in the same way as ixgbe_init_locked(). 4951 */ 4952 struct ix_queue *que = adapter->queues; 4953 for (int i = 0; i < adapter->num_queues; i++, que++) 4954 que->eitr_setting = 0; 4955 4956 if (adapter->link_speed == IXGBE_LINK_SPEED_10GB_FULL){ 4957 /* 4958 * Discard count for both MAC Local Fault and 4959 * Remote Fault because those registers are 4960 * valid only when the link speed is up and 4961 * 10Gbps. 4962 */ 4963 IXGBE_READ_REG(hw, IXGBE_MLFC); 4964 IXGBE_READ_REG(hw, IXGBE_MRFC); 4965 } 4966 4967 if (bootverbose) { 4968 const char *bpsmsg; 4969 4970 switch (adapter->link_speed) { 4971 case IXGBE_LINK_SPEED_10GB_FULL: 4972 bpsmsg = "10 Gbps"; 4973 break; 4974 case IXGBE_LINK_SPEED_5GB_FULL: 4975 bpsmsg = "5 Gbps"; 4976 break; 4977 case IXGBE_LINK_SPEED_2_5GB_FULL: 4978 bpsmsg = "2.5 Gbps"; 4979 break; 4980 case IXGBE_LINK_SPEED_1GB_FULL: 4981 bpsmsg = "1 Gbps"; 4982 break; 4983 case IXGBE_LINK_SPEED_100_FULL: 4984 bpsmsg = "100 Mbps"; 4985 break; 4986 case IXGBE_LINK_SPEED_10_FULL: 4987 bpsmsg = "10 Mbps"; 4988 break; 4989 default: 4990 bpsmsg = "unknown speed"; 4991 break; 4992 } 4993 device_printf(dev, "Link is up %s %s \n", 4994 bpsmsg, "Full Duplex"); 4995 } 4996 adapter->link_active = LINK_STATE_UP; 4997 /* Update any Flow Control changes */ 4998 ixgbe_fc_enable(&adapter->hw); 4999 /* Update DMA coalescing config */ 5000 ixgbe_config_dmac(adapter); 5001 if_link_state_change(ifp, LINK_STATE_UP); 5002 5003 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) 5004 ixgbe_ping_all_vfs(adapter); 5005 } 5006 } else { 5007 /* 5008 * Do it when link active changes to DOWN. i.e. 5009 * a) LINK_STATE_UNKNOWN -> LINK_STATE_DOWN 5010 * b) LINK_STATE_UP -> LINK_STATE_DOWN 5011 */ 5012 if (adapter->link_active != LINK_STATE_DOWN) { 5013 if (bootverbose) 5014 device_printf(dev, "Link is Down\n"); 5015 if_link_state_change(ifp, LINK_STATE_DOWN); 5016 adapter->link_active = LINK_STATE_DOWN; 5017 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) 5018 ixgbe_ping_all_vfs(adapter); 5019 ixgbe_drain_all(adapter); 5020 } 5021 } 5022 } /* ixgbe_update_link_status */ 5023 5024 /************************************************************************ 5025 * ixgbe_config_dmac - Configure DMA Coalescing 5026 ************************************************************************/ 5027 static void 5028 ixgbe_config_dmac(struct adapter *adapter) 5029 { 5030 struct ixgbe_hw *hw = &adapter->hw; 5031 struct ixgbe_dmac_config *dcfg = &hw->mac.dmac_config; 5032 5033 if (hw->mac.type < ixgbe_mac_X550 || !hw->mac.ops.dmac_config) 5034 return; 5035 5036 if (dcfg->watchdog_timer ^ adapter->dmac || 5037 dcfg->link_speed ^ adapter->link_speed) { 5038 dcfg->watchdog_timer = adapter->dmac; 5039 dcfg->fcoe_en = false; 5040 dcfg->link_speed = adapter->link_speed; 5041 dcfg->num_tcs = 1; 5042 5043 INIT_DEBUGOUT2("dmac settings: watchdog %d, link speed %d\n", 5044 dcfg->watchdog_timer, dcfg->link_speed); 5045 5046 hw->mac.ops.dmac_config(hw); 5047 } 5048 } /* ixgbe_config_dmac */ 5049 5050 /************************************************************************ 5051 * ixgbe_enable_intr 5052 ************************************************************************/ 5053 static void 5054 ixgbe_enable_intr(struct adapter *adapter) 5055 { 5056 struct ixgbe_hw *hw = &adapter->hw; 5057 struct ix_queue *que = adapter->queues; 5058 u32 mask, fwsm; 5059 5060 mask = (IXGBE_EIMS_ENABLE_MASK & ~IXGBE_EIMS_RTX_QUEUE); 5061 5062 switch (adapter->hw.mac.type) { 5063 case ixgbe_mac_82599EB: 5064 mask |= IXGBE_EIMS_ECC; 5065 /* Temperature sensor on some adapters */ 5066 mask |= IXGBE_EIMS_GPI_SDP0; 5067 /* SFP+ (RX_LOS_N & MOD_ABS_N) */ 5068 mask |= IXGBE_EIMS_GPI_SDP1; 5069 mask |= IXGBE_EIMS_GPI_SDP2; 5070 break; 5071 case ixgbe_mac_X540: 5072 /* Detect if Thermal Sensor is enabled */ 5073 fwsm = IXGBE_READ_REG(hw, IXGBE_FWSM); 5074 if (fwsm & IXGBE_FWSM_TS_ENABLED) 5075 mask |= IXGBE_EIMS_TS; 5076 mask |= IXGBE_EIMS_ECC; 5077 break; 5078 case ixgbe_mac_X550: 5079 /* MAC thermal sensor is automatically enabled */ 5080 mask |= IXGBE_EIMS_TS; 5081 mask |= IXGBE_EIMS_ECC; 5082 break; 5083 case ixgbe_mac_X550EM_x: 5084 case ixgbe_mac_X550EM_a: 5085 /* Some devices use SDP0 for important information */ 5086 if (hw->device_id == IXGBE_DEV_ID_X550EM_X_SFP || 5087 hw->device_id == IXGBE_DEV_ID_X550EM_A_SFP || 5088 hw->device_id == IXGBE_DEV_ID_X550EM_A_SFP_N || 5089 hw->device_id == IXGBE_DEV_ID_X550EM_X_10G_T) 5090 mask |= IXGBE_EIMS_GPI_SDP0_BY_MAC(hw); 5091 if (hw->phy.type == ixgbe_phy_x550em_ext_t) 5092 mask |= IXGBE_EICR_GPI_SDP0_X540; 5093 mask |= IXGBE_EIMS_ECC; 5094 break; 5095 default: 5096 break; 5097 } 5098 5099 /* Enable Fan Failure detection */ 5100 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) 5101 mask |= IXGBE_EIMS_GPI_SDP1; 5102 /* Enable SR-IOV */ 5103 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) 5104 mask |= IXGBE_EIMS_MAILBOX; 5105 /* Enable Flow Director */ 5106 if (adapter->feat_en & IXGBE_FEATURE_FDIR) 5107 mask |= IXGBE_EIMS_FLOW_DIR; 5108 5109 IXGBE_WRITE_REG(hw, IXGBE_EIMS, mask); 5110 5111 /* With MSI-X we use auto clear */ 5112 if (adapter->msix_mem) { 5113 /* 5114 * It's not required to set TCP_TIMER because we don't use 5115 * it. 5116 */ 5117 IXGBE_WRITE_REG(hw, IXGBE_EIAC, IXGBE_EIMS_RTX_QUEUE); 5118 } 5119 5120 /* 5121 * Now enable all queues, this is done separately to 5122 * allow for handling the extended (beyond 32) MSI-X 5123 * vectors that can be used by 82599 5124 */ 5125 for (int i = 0; i < adapter->num_queues; i++, que++) 5126 ixgbe_enable_queue(adapter, que->msix); 5127 5128 IXGBE_WRITE_FLUSH(hw); 5129 5130 } /* ixgbe_enable_intr */ 5131 5132 /************************************************************************ 5133 * ixgbe_disable_intr_internal 5134 ************************************************************************/ 5135 static void 5136 ixgbe_disable_intr_internal(struct adapter *adapter, bool nestok) 5137 { 5138 struct ix_queue *que = adapter->queues; 5139 5140 /* disable interrupts other than queues */ 5141 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, ~IXGBE_EIMC_RTX_QUEUE); 5142 5143 if (adapter->msix_mem) 5144 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIAC, 0); 5145 5146 for (int i = 0; i < adapter->num_queues; i++, que++) 5147 ixgbe_disable_queue_internal(adapter, que->msix, nestok); 5148 5149 IXGBE_WRITE_FLUSH(&adapter->hw); 5150 5151 } /* ixgbe_do_disable_intr_internal */ 5152 5153 /************************************************************************ 5154 * ixgbe_disable_intr 5155 ************************************************************************/ 5156 static void 5157 ixgbe_disable_intr(struct adapter *adapter) 5158 { 5159 5160 ixgbe_disable_intr_internal(adapter, true); 5161 } /* ixgbe_disable_intr */ 5162 5163 /************************************************************************ 5164 * ixgbe_ensure_disabled_intr 5165 ************************************************************************/ 5166 void 5167 ixgbe_ensure_disabled_intr(struct adapter *adapter) 5168 { 5169 5170 ixgbe_disable_intr_internal(adapter, false); 5171 } /* ixgbe_ensure_disabled_intr */ 5172 5173 /************************************************************************ 5174 * ixgbe_legacy_irq - Legacy Interrupt Service routine 5175 ************************************************************************/ 5176 static int 5177 ixgbe_legacy_irq(void *arg) 5178 { 5179 struct ix_queue *que = arg; 5180 struct adapter *adapter = que->adapter; 5181 struct ixgbe_hw *hw = &adapter->hw; 5182 struct tx_ring *txr = adapter->tx_rings; 5183 u32 eicr, eicr_mask; 5184 u32 eims_orig; 5185 u32 eims_enable = 0; 5186 u32 eims_disable = 0; 5187 u32 task_requests = 0; 5188 5189 eims_orig = IXGBE_READ_REG(hw, IXGBE_EIMS); 5190 /* 5191 * Silicon errata #26 on 82598. Disable all interrupts before reading 5192 * EICR. 5193 */ 5194 IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_IRQ_CLEAR_MASK); 5195 5196 /* Read and clear EICR */ 5197 eicr = IXGBE_READ_REG(hw, IXGBE_EICR); 5198 5199 adapter->stats.pf.legint.ev_count++; 5200 if (eicr == 0) { 5201 adapter->stats.pf.intzero.ev_count++; 5202 IXGBE_WRITE_REG(hw, IXGBE_EIMS, eims_orig); 5203 return 0; 5204 } 5205 5206 /* Queue (0) intr */ 5207 if ((eicr & IXGBE_EIMC_RTX_QUEUE) != 0) { 5208 ++que->irqs.ev_count; 5209 5210 /* 5211 * The same as ixgbe_msix_que() about 5212 * "que->txrx_use_workqueue". 5213 */ 5214 que->txrx_use_workqueue = adapter->txrx_use_workqueue; 5215 5216 IXGBE_TX_LOCK(txr); 5217 ixgbe_txeof(txr); 5218 #ifdef notyet 5219 if (!ixgbe_ring_empty(ifp, txr->br)) 5220 ixgbe_start_locked(ifp, txr); 5221 #endif 5222 IXGBE_TX_UNLOCK(txr); 5223 5224 que->req.ev_count++; 5225 ixgbe_sched_handle_que(adapter, que); 5226 /* Disable queue 0 interrupt */ 5227 eims_disable |= 1UL << 0; 5228 5229 } else 5230 eims_enable |= IXGBE_EIMC_RTX_QUEUE; 5231 5232 /* Link status change */ 5233 if (eicr & IXGBE_EICR_LSC) { 5234 task_requests |= IXGBE_REQUEST_TASK_LSC; 5235 eims_disable |= IXGBE_EIMS_LSC; 5236 } 5237 5238 if (ixgbe_is_sfp(hw)) { 5239 /* Pluggable optics-related interrupt */ 5240 if (hw->mac.type >= ixgbe_mac_X540) 5241 eicr_mask = IXGBE_EICR_GPI_SDP0_X540; 5242 else 5243 eicr_mask = IXGBE_EICR_GPI_SDP2_BY_MAC(hw); 5244 5245 /* 5246 * An interrupt might not arrive when a module is inserted. 5247 * When an link status change interrupt occurred and the driver 5248 * still regard SFP as unplugged, issue the module softint 5249 * and then issue LSC interrupt. 5250 */ 5251 if ((eicr & eicr_mask) 5252 || ((hw->phy.sfp_type == ixgbe_sfp_type_not_present) 5253 && (eicr & IXGBE_EICR_LSC))) { 5254 task_requests |= IXGBE_REQUEST_TASK_MOD; 5255 eims_disable |= IXGBE_EIMS_LSC; 5256 } 5257 5258 if ((hw->mac.type == ixgbe_mac_82599EB) && 5259 (eicr & IXGBE_EICR_GPI_SDP1_BY_MAC(hw))) { 5260 task_requests |= IXGBE_REQUEST_TASK_MSF; 5261 eims_disable |= IXGBE_EIMS_GPI_SDP1_BY_MAC(hw); 5262 } 5263 } 5264 5265 /* Check for fan failure */ 5266 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) { 5267 ixgbe_check_fan_failure(adapter, eicr, true); 5268 } 5269 5270 /* External PHY interrupt */ 5271 if ((hw->phy.type == ixgbe_phy_x550em_ext_t) && 5272 (eicr & IXGBE_EICR_GPI_SDP0_X540)) { 5273 task_requests |= IXGBE_REQUEST_TASK_PHY; 5274 eims_disable |= IXGBE_EICR_GPI_SDP0_X540; 5275 } 5276 5277 if (task_requests != 0) { 5278 mutex_enter(&adapter->admin_mtx); 5279 adapter->task_requests |= task_requests; 5280 ixgbe_schedule_admin_tasklet(adapter); 5281 mutex_exit(&adapter->admin_mtx); 5282 } 5283 5284 /* Re-enable some interrupts */ 5285 IXGBE_WRITE_REG(hw, IXGBE_EIMS, 5286 (eims_orig & ~eims_disable) | eims_enable); 5287 5288 return 1; 5289 } /* ixgbe_legacy_irq */ 5290 5291 /************************************************************************ 5292 * ixgbe_free_pciintr_resources 5293 ************************************************************************/ 5294 static void 5295 ixgbe_free_pciintr_resources(struct adapter *adapter) 5296 { 5297 struct ix_queue *que = adapter->queues; 5298 int rid; 5299 5300 /* 5301 * Release all msix queue resources: 5302 */ 5303 for (int i = 0; i < adapter->num_queues; i++, que++) { 5304 if (que->res != NULL) { 5305 pci_intr_disestablish(adapter->osdep.pc, 5306 adapter->osdep.ihs[i]); 5307 adapter->osdep.ihs[i] = NULL; 5308 } 5309 } 5310 5311 /* Clean the Legacy or Link interrupt last */ 5312 if (adapter->vector) /* we are doing MSIX */ 5313 rid = adapter->vector; 5314 else 5315 rid = 0; 5316 5317 if (adapter->osdep.ihs[rid] != NULL) { 5318 pci_intr_disestablish(adapter->osdep.pc, 5319 adapter->osdep.ihs[rid]); 5320 adapter->osdep.ihs[rid] = NULL; 5321 } 5322 5323 if (adapter->osdep.intrs != NULL) { 5324 pci_intr_release(adapter->osdep.pc, adapter->osdep.intrs, 5325 adapter->osdep.nintrs); 5326 adapter->osdep.intrs = NULL; 5327 } 5328 } /* ixgbe_free_pciintr_resources */ 5329 5330 /************************************************************************ 5331 * ixgbe_free_pci_resources 5332 ************************************************************************/ 5333 static void 5334 ixgbe_free_pci_resources(struct adapter *adapter) 5335 { 5336 5337 ixgbe_free_pciintr_resources(adapter); 5338 5339 if (adapter->osdep.mem_size != 0) { 5340 bus_space_unmap(adapter->osdep.mem_bus_space_tag, 5341 adapter->osdep.mem_bus_space_handle, 5342 adapter->osdep.mem_size); 5343 } 5344 5345 } /* ixgbe_free_pci_resources */ 5346 5347 /************************************************************************ 5348 * ixgbe_set_sysctl_value 5349 ************************************************************************/ 5350 static void 5351 ixgbe_set_sysctl_value(struct adapter *adapter, const char *name, 5352 const char *description, int *limit, int value) 5353 { 5354 device_t dev = adapter->dev; 5355 struct sysctllog **log; 5356 const struct sysctlnode *rnode, *cnode; 5357 5358 /* 5359 * It's not required to check recovery mode because this function never 5360 * touches hardware. 5361 */ 5362 5363 log = &adapter->sysctllog; 5364 if ((rnode = ixgbe_sysctl_instance(adapter)) == NULL) { 5365 aprint_error_dev(dev, "could not create sysctl root\n"); 5366 return; 5367 } 5368 if (sysctl_createv(log, 0, &rnode, &cnode, 5369 CTLFLAG_READWRITE, CTLTYPE_INT, 5370 name, SYSCTL_DESCR(description), 5371 NULL, 0, limit, 0, CTL_CREATE, CTL_EOL) != 0) 5372 aprint_error_dev(dev, "could not create sysctl\n"); 5373 *limit = value; 5374 } /* ixgbe_set_sysctl_value */ 5375 5376 /************************************************************************ 5377 * ixgbe_sysctl_flowcntl 5378 * 5379 * SYSCTL wrapper around setting Flow Control 5380 ************************************************************************/ 5381 static int 5382 ixgbe_sysctl_flowcntl(SYSCTLFN_ARGS) 5383 { 5384 struct sysctlnode node = *rnode; 5385 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5386 int error, fc; 5387 5388 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5389 return (EPERM); 5390 5391 fc = adapter->hw.fc.current_mode; 5392 node.sysctl_data = &fc; 5393 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5394 if (error != 0 || newp == NULL) 5395 return error; 5396 5397 /* Don't bother if it's not changed */ 5398 if (fc == adapter->hw.fc.current_mode) 5399 return (0); 5400 5401 return ixgbe_set_flowcntl(adapter, fc); 5402 } /* ixgbe_sysctl_flowcntl */ 5403 5404 /************************************************************************ 5405 * ixgbe_set_flowcntl - Set flow control 5406 * 5407 * Flow control values: 5408 * 0 - off 5409 * 1 - rx pause 5410 * 2 - tx pause 5411 * 3 - full 5412 ************************************************************************/ 5413 static int 5414 ixgbe_set_flowcntl(struct adapter *adapter, int fc) 5415 { 5416 switch (fc) { 5417 case ixgbe_fc_rx_pause: 5418 case ixgbe_fc_tx_pause: 5419 case ixgbe_fc_full: 5420 adapter->hw.fc.requested_mode = fc; 5421 if (adapter->num_queues > 1) 5422 ixgbe_disable_rx_drop(adapter); 5423 break; 5424 case ixgbe_fc_none: 5425 adapter->hw.fc.requested_mode = ixgbe_fc_none; 5426 if (adapter->num_queues > 1) 5427 ixgbe_enable_rx_drop(adapter); 5428 break; 5429 default: 5430 return (EINVAL); 5431 } 5432 5433 #if 0 /* XXX NetBSD */ 5434 /* Don't autoneg if forcing a value */ 5435 adapter->hw.fc.disable_fc_autoneg = TRUE; 5436 #endif 5437 ixgbe_fc_enable(&adapter->hw); 5438 5439 return (0); 5440 } /* ixgbe_set_flowcntl */ 5441 5442 /************************************************************************ 5443 * ixgbe_enable_rx_drop 5444 * 5445 * Enable the hardware to drop packets when the buffer is 5446 * full. This is useful with multiqueue, so that no single 5447 * queue being full stalls the entire RX engine. We only 5448 * enable this when Multiqueue is enabled AND Flow Control 5449 * is disabled. 5450 ************************************************************************/ 5451 static void 5452 ixgbe_enable_rx_drop(struct adapter *adapter) 5453 { 5454 struct ixgbe_hw *hw = &adapter->hw; 5455 struct rx_ring *rxr; 5456 u32 srrctl; 5457 5458 for (int i = 0; i < adapter->num_queues; i++) { 5459 rxr = &adapter->rx_rings[i]; 5460 srrctl = IXGBE_READ_REG(hw, IXGBE_SRRCTL(rxr->me)); 5461 srrctl |= IXGBE_SRRCTL_DROP_EN; 5462 IXGBE_WRITE_REG(hw, IXGBE_SRRCTL(rxr->me), srrctl); 5463 } 5464 5465 /* enable drop for each vf */ 5466 for (int i = 0; i < adapter->num_vfs; i++) { 5467 IXGBE_WRITE_REG(hw, IXGBE_QDE, 5468 (IXGBE_QDE_WRITE | (i << IXGBE_QDE_IDX_SHIFT) | 5469 IXGBE_QDE_ENABLE)); 5470 } 5471 } /* ixgbe_enable_rx_drop */ 5472 5473 /************************************************************************ 5474 * ixgbe_disable_rx_drop 5475 ************************************************************************/ 5476 static void 5477 ixgbe_disable_rx_drop(struct adapter *adapter) 5478 { 5479 struct ixgbe_hw *hw = &adapter->hw; 5480 struct rx_ring *rxr; 5481 u32 srrctl; 5482 5483 for (int i = 0; i < adapter->num_queues; i++) { 5484 rxr = &adapter->rx_rings[i]; 5485 srrctl = IXGBE_READ_REG(hw, IXGBE_SRRCTL(rxr->me)); 5486 srrctl &= ~IXGBE_SRRCTL_DROP_EN; 5487 IXGBE_WRITE_REG(hw, IXGBE_SRRCTL(rxr->me), srrctl); 5488 } 5489 5490 /* disable drop for each vf */ 5491 for (int i = 0; i < adapter->num_vfs; i++) { 5492 IXGBE_WRITE_REG(hw, IXGBE_QDE, 5493 (IXGBE_QDE_WRITE | (i << IXGBE_QDE_IDX_SHIFT))); 5494 } 5495 } /* ixgbe_disable_rx_drop */ 5496 5497 /************************************************************************ 5498 * ixgbe_sysctl_advertise 5499 * 5500 * SYSCTL wrapper around setting advertised speed 5501 ************************************************************************/ 5502 static int 5503 ixgbe_sysctl_advertise(SYSCTLFN_ARGS) 5504 { 5505 struct sysctlnode node = *rnode; 5506 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5507 int error = 0, advertise; 5508 5509 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5510 return (EPERM); 5511 5512 advertise = adapter->advertise; 5513 node.sysctl_data = &advertise; 5514 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5515 if (error != 0 || newp == NULL) 5516 return error; 5517 5518 return ixgbe_set_advertise(adapter, advertise); 5519 } /* ixgbe_sysctl_advertise */ 5520 5521 /************************************************************************ 5522 * ixgbe_set_advertise - Control advertised link speed 5523 * 5524 * Flags: 5525 * 0x00 - Default (all capable link speed) 5526 * 0x01 - advertise 100 Mb 5527 * 0x02 - advertise 1G 5528 * 0x04 - advertise 10G 5529 * 0x08 - advertise 10 Mb 5530 * 0x10 - advertise 2.5G 5531 * 0x20 - advertise 5G 5532 ************************************************************************/ 5533 static int 5534 ixgbe_set_advertise(struct adapter *adapter, int advertise) 5535 { 5536 device_t dev; 5537 struct ixgbe_hw *hw; 5538 ixgbe_link_speed speed = 0; 5539 ixgbe_link_speed link_caps = 0; 5540 s32 err = IXGBE_NOT_IMPLEMENTED; 5541 bool negotiate = FALSE; 5542 5543 /* Checks to validate new value */ 5544 if (adapter->advertise == advertise) /* no change */ 5545 return (0); 5546 5547 dev = adapter->dev; 5548 hw = &adapter->hw; 5549 5550 /* No speed changes for backplane media */ 5551 if (hw->phy.media_type == ixgbe_media_type_backplane) 5552 return (ENODEV); 5553 5554 if (!((hw->phy.media_type == ixgbe_media_type_copper) || 5555 (hw->phy.multispeed_fiber))) { 5556 device_printf(dev, 5557 "Advertised speed can only be set on copper or " 5558 "multispeed fiber media types.\n"); 5559 return (EINVAL); 5560 } 5561 5562 if (advertise < 0x0 || advertise > 0x3f) { 5563 device_printf(dev, 5564 "Invalid advertised speed; valid modes are 0x0 through 0x3f\n"); 5565 return (EINVAL); 5566 } 5567 5568 if (hw->mac.ops.get_link_capabilities) { 5569 err = hw->mac.ops.get_link_capabilities(hw, &link_caps, 5570 &negotiate); 5571 if (err != IXGBE_SUCCESS) { 5572 device_printf(dev, "Unable to determine supported advertise speeds\n"); 5573 return (ENODEV); 5574 } 5575 } 5576 5577 /* Set new value and report new advertised mode */ 5578 if (advertise & 0x1) { 5579 if (!(link_caps & IXGBE_LINK_SPEED_100_FULL)) { 5580 device_printf(dev, "Interface does not support 100Mb advertised speed\n"); 5581 return (EINVAL); 5582 } 5583 speed |= IXGBE_LINK_SPEED_100_FULL; 5584 } 5585 if (advertise & 0x2) { 5586 if (!(link_caps & IXGBE_LINK_SPEED_1GB_FULL)) { 5587 device_printf(dev, "Interface does not support 1Gb advertised speed\n"); 5588 return (EINVAL); 5589 } 5590 speed |= IXGBE_LINK_SPEED_1GB_FULL; 5591 } 5592 if (advertise & 0x4) { 5593 if (!(link_caps & IXGBE_LINK_SPEED_10GB_FULL)) { 5594 device_printf(dev, "Interface does not support 10Gb advertised speed\n"); 5595 return (EINVAL); 5596 } 5597 speed |= IXGBE_LINK_SPEED_10GB_FULL; 5598 } 5599 if (advertise & 0x8) { 5600 if (!(link_caps & IXGBE_LINK_SPEED_10_FULL)) { 5601 device_printf(dev, "Interface does not support 10Mb advertised speed\n"); 5602 return (EINVAL); 5603 } 5604 speed |= IXGBE_LINK_SPEED_10_FULL; 5605 } 5606 if (advertise & 0x10) { 5607 if (!(link_caps & IXGBE_LINK_SPEED_2_5GB_FULL)) { 5608 device_printf(dev, "Interface does not support 2.5Gb advertised speed\n"); 5609 return (EINVAL); 5610 } 5611 speed |= IXGBE_LINK_SPEED_2_5GB_FULL; 5612 } 5613 if (advertise & 0x20) { 5614 if (!(link_caps & IXGBE_LINK_SPEED_5GB_FULL)) { 5615 device_printf(dev, "Interface does not support 5Gb advertised speed\n"); 5616 return (EINVAL); 5617 } 5618 speed |= IXGBE_LINK_SPEED_5GB_FULL; 5619 } 5620 if (advertise == 0) 5621 speed = link_caps; /* All capable link speed */ 5622 5623 hw->mac.autotry_restart = TRUE; 5624 hw->mac.ops.setup_link(hw, speed, TRUE); 5625 adapter->advertise = advertise; 5626 5627 return (0); 5628 } /* ixgbe_set_advertise */ 5629 5630 /************************************************************************ 5631 * ixgbe_get_advertise - Get current advertised speed settings 5632 * 5633 * Formatted for sysctl usage. 5634 * Flags: 5635 * 0x01 - advertise 100 Mb 5636 * 0x02 - advertise 1G 5637 * 0x04 - advertise 10G 5638 * 0x08 - advertise 10 Mb (yes, Mb) 5639 * 0x10 - advertise 2.5G 5640 * 0x20 - advertise 5G 5641 ************************************************************************/ 5642 static int 5643 ixgbe_get_advertise(struct adapter *adapter) 5644 { 5645 struct ixgbe_hw *hw = &adapter->hw; 5646 int speed; 5647 ixgbe_link_speed link_caps = 0; 5648 s32 err; 5649 bool negotiate = FALSE; 5650 5651 /* 5652 * Advertised speed means nothing unless it's copper or 5653 * multi-speed fiber 5654 */ 5655 if (!(hw->phy.media_type == ixgbe_media_type_copper) && 5656 !(hw->phy.multispeed_fiber)) 5657 return (0); 5658 5659 err = hw->mac.ops.get_link_capabilities(hw, &link_caps, &negotiate); 5660 if (err != IXGBE_SUCCESS) 5661 return (0); 5662 5663 speed = 5664 ((link_caps & IXGBE_LINK_SPEED_10GB_FULL) ? 0x04 : 0) | 5665 ((link_caps & IXGBE_LINK_SPEED_1GB_FULL) ? 0x02 : 0) | 5666 ((link_caps & IXGBE_LINK_SPEED_100_FULL) ? 0x01 : 0) | 5667 ((link_caps & IXGBE_LINK_SPEED_10_FULL) ? 0x08 : 0) | 5668 ((link_caps & IXGBE_LINK_SPEED_2_5GB_FULL) ? 0x10 : 0) | 5669 ((link_caps & IXGBE_LINK_SPEED_5GB_FULL) ? 0x20 : 0); 5670 5671 return speed; 5672 } /* ixgbe_get_advertise */ 5673 5674 /************************************************************************ 5675 * ixgbe_sysctl_dmac - Manage DMA Coalescing 5676 * 5677 * Control values: 5678 * 0/1 - off / on (use default value of 1000) 5679 * 5680 * Legal timer values are: 5681 * 50,100,250,500,1000,2000,5000,10000 5682 * 5683 * Turning off interrupt moderation will also turn this off. 5684 ************************************************************************/ 5685 static int 5686 ixgbe_sysctl_dmac(SYSCTLFN_ARGS) 5687 { 5688 struct sysctlnode node = *rnode; 5689 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5690 struct ifnet *ifp = adapter->ifp; 5691 int error; 5692 int newval; 5693 5694 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5695 return (EPERM); 5696 5697 newval = adapter->dmac; 5698 node.sysctl_data = &newval; 5699 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5700 if ((error) || (newp == NULL)) 5701 return (error); 5702 5703 switch (newval) { 5704 case 0: 5705 /* Disabled */ 5706 adapter->dmac = 0; 5707 break; 5708 case 1: 5709 /* Enable and use default */ 5710 adapter->dmac = 1000; 5711 break; 5712 case 50: 5713 case 100: 5714 case 250: 5715 case 500: 5716 case 1000: 5717 case 2000: 5718 case 5000: 5719 case 10000: 5720 /* Legal values - allow */ 5721 adapter->dmac = newval; 5722 break; 5723 default: 5724 /* Do nothing, illegal value */ 5725 return (EINVAL); 5726 } 5727 5728 /* Re-initialize hardware if it's already running */ 5729 if (ifp->if_flags & IFF_RUNNING) 5730 ifp->if_init(ifp); 5731 5732 return (0); 5733 } 5734 5735 #ifdef IXGBE_DEBUG 5736 /************************************************************************ 5737 * ixgbe_sysctl_power_state 5738 * 5739 * Sysctl to test power states 5740 * Values: 5741 * 0 - set device to D0 5742 * 3 - set device to D3 5743 * (none) - get current device power state 5744 ************************************************************************/ 5745 static int 5746 ixgbe_sysctl_power_state(SYSCTLFN_ARGS) 5747 { 5748 #ifdef notyet 5749 struct sysctlnode node = *rnode; 5750 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5751 device_t dev = adapter->dev; 5752 int curr_ps, new_ps, error = 0; 5753 5754 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5755 return (EPERM); 5756 5757 curr_ps = new_ps = pci_get_powerstate(dev); 5758 5759 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5760 if ((error) || (req->newp == NULL)) 5761 return (error); 5762 5763 if (new_ps == curr_ps) 5764 return (0); 5765 5766 if (new_ps == 3 && curr_ps == 0) 5767 error = DEVICE_SUSPEND(dev); 5768 else if (new_ps == 0 && curr_ps == 3) 5769 error = DEVICE_RESUME(dev); 5770 else 5771 return (EINVAL); 5772 5773 device_printf(dev, "New state: %d\n", pci_get_powerstate(dev)); 5774 5775 return (error); 5776 #else 5777 return 0; 5778 #endif 5779 } /* ixgbe_sysctl_power_state */ 5780 #endif 5781 5782 /************************************************************************ 5783 * ixgbe_sysctl_wol_enable 5784 * 5785 * Sysctl to enable/disable the WoL capability, 5786 * if supported by the adapter. 5787 * 5788 * Values: 5789 * 0 - disabled 5790 * 1 - enabled 5791 ************************************************************************/ 5792 static int 5793 ixgbe_sysctl_wol_enable(SYSCTLFN_ARGS) 5794 { 5795 struct sysctlnode node = *rnode; 5796 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5797 struct ixgbe_hw *hw = &adapter->hw; 5798 bool new_wol_enabled; 5799 int error = 0; 5800 5801 /* 5802 * It's not required to check recovery mode because this function never 5803 * touches hardware. 5804 */ 5805 new_wol_enabled = hw->wol_enabled; 5806 node.sysctl_data = &new_wol_enabled; 5807 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5808 if ((error) || (newp == NULL)) 5809 return (error); 5810 if (new_wol_enabled == hw->wol_enabled) 5811 return (0); 5812 5813 if (new_wol_enabled && !adapter->wol_support) 5814 return (ENODEV); 5815 else 5816 hw->wol_enabled = new_wol_enabled; 5817 5818 return (0); 5819 } /* ixgbe_sysctl_wol_enable */ 5820 5821 /************************************************************************ 5822 * ixgbe_sysctl_wufc - Wake Up Filter Control 5823 * 5824 * Sysctl to enable/disable the types of packets that the 5825 * adapter will wake up on upon receipt. 5826 * Flags: 5827 * 0x1 - Link Status Change 5828 * 0x2 - Magic Packet 5829 * 0x4 - Direct Exact 5830 * 0x8 - Directed Multicast 5831 * 0x10 - Broadcast 5832 * 0x20 - ARP/IPv4 Request Packet 5833 * 0x40 - Direct IPv4 Packet 5834 * 0x80 - Direct IPv6 Packet 5835 * 5836 * Settings not listed above will cause the sysctl to return an error. 5837 ************************************************************************/ 5838 static int 5839 ixgbe_sysctl_wufc(SYSCTLFN_ARGS) 5840 { 5841 struct sysctlnode node = *rnode; 5842 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5843 int error = 0; 5844 u32 new_wufc; 5845 5846 /* 5847 * It's not required to check recovery mode because this function never 5848 * touches hardware. 5849 */ 5850 new_wufc = adapter->wufc; 5851 node.sysctl_data = &new_wufc; 5852 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5853 if ((error) || (newp == NULL)) 5854 return (error); 5855 if (new_wufc == adapter->wufc) 5856 return (0); 5857 5858 if (new_wufc & 0xffffff00) 5859 return (EINVAL); 5860 5861 new_wufc &= 0xff; 5862 new_wufc |= (0xffffff & adapter->wufc); 5863 adapter->wufc = new_wufc; 5864 5865 return (0); 5866 } /* ixgbe_sysctl_wufc */ 5867 5868 #ifdef IXGBE_DEBUG 5869 /************************************************************************ 5870 * ixgbe_sysctl_print_rss_config 5871 ************************************************************************/ 5872 static int 5873 ixgbe_sysctl_print_rss_config(SYSCTLFN_ARGS) 5874 { 5875 #ifdef notyet 5876 struct sysctlnode node = *rnode; 5877 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5878 struct ixgbe_hw *hw = &adapter->hw; 5879 device_t dev = adapter->dev; 5880 struct sbuf *buf; 5881 int error = 0, reta_size; 5882 u32 reg; 5883 5884 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5885 return (EPERM); 5886 5887 buf = sbuf_new_for_sysctl(NULL, NULL, 128, req); 5888 if (!buf) { 5889 device_printf(dev, "Could not allocate sbuf for output.\n"); 5890 return (ENOMEM); 5891 } 5892 5893 // TODO: use sbufs to make a string to print out 5894 /* Set multiplier for RETA setup and table size based on MAC */ 5895 switch (adapter->hw.mac.type) { 5896 case ixgbe_mac_X550: 5897 case ixgbe_mac_X550EM_x: 5898 case ixgbe_mac_X550EM_a: 5899 reta_size = 128; 5900 break; 5901 default: 5902 reta_size = 32; 5903 break; 5904 } 5905 5906 /* Print out the redirection table */ 5907 sbuf_cat(buf, "\n"); 5908 for (int i = 0; i < reta_size; i++) { 5909 if (i < 32) { 5910 reg = IXGBE_READ_REG(hw, IXGBE_RETA(i)); 5911 sbuf_printf(buf, "RETA(%2d): 0x%08x\n", i, reg); 5912 } else { 5913 reg = IXGBE_READ_REG(hw, IXGBE_ERETA(i - 32)); 5914 sbuf_printf(buf, "ERETA(%2d): 0x%08x\n", i - 32, reg); 5915 } 5916 } 5917 5918 // TODO: print more config 5919 5920 error = sbuf_finish(buf); 5921 if (error) 5922 device_printf(dev, "Error finishing sbuf: %d\n", error); 5923 5924 sbuf_delete(buf); 5925 #endif 5926 return (0); 5927 } /* ixgbe_sysctl_print_rss_config */ 5928 #endif /* IXGBE_DEBUG */ 5929 5930 /************************************************************************ 5931 * ixgbe_sysctl_phy_temp - Retrieve temperature of PHY 5932 * 5933 * For X552/X557-AT devices using an external PHY 5934 ************************************************************************/ 5935 static int 5936 ixgbe_sysctl_phy_temp(SYSCTLFN_ARGS) 5937 { 5938 struct sysctlnode node = *rnode; 5939 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5940 struct ixgbe_hw *hw = &adapter->hw; 5941 int val; 5942 u16 reg; 5943 int error; 5944 5945 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5946 return (EPERM); 5947 5948 if (hw->device_id != IXGBE_DEV_ID_X550EM_X_10G_T) { 5949 device_printf(adapter->dev, 5950 "Device has no supported external thermal sensor.\n"); 5951 return (ENODEV); 5952 } 5953 5954 if (hw->phy.ops.read_reg(hw, IXGBE_PHY_CURRENT_TEMP, 5955 IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, ®)) { 5956 device_printf(adapter->dev, 5957 "Error reading from PHY's current temperature register\n"); 5958 return (EAGAIN); 5959 } 5960 5961 node.sysctl_data = &val; 5962 5963 /* Shift temp for output */ 5964 val = reg >> 8; 5965 5966 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5967 if ((error) || (newp == NULL)) 5968 return (error); 5969 5970 return (0); 5971 } /* ixgbe_sysctl_phy_temp */ 5972 5973 /************************************************************************ 5974 * ixgbe_sysctl_phy_overtemp_occurred 5975 * 5976 * Reports (directly from the PHY) whether the current PHY 5977 * temperature is over the overtemp threshold. 5978 ************************************************************************/ 5979 static int 5980 ixgbe_sysctl_phy_overtemp_occurred(SYSCTLFN_ARGS) 5981 { 5982 struct sysctlnode node = *rnode; 5983 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5984 struct ixgbe_hw *hw = &adapter->hw; 5985 int val, error; 5986 u16 reg; 5987 5988 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5989 return (EPERM); 5990 5991 if (hw->device_id != IXGBE_DEV_ID_X550EM_X_10G_T) { 5992 device_printf(adapter->dev, 5993 "Device has no supported external thermal sensor.\n"); 5994 return (ENODEV); 5995 } 5996 5997 if (hw->phy.ops.read_reg(hw, IXGBE_PHY_OVERTEMP_STATUS, 5998 IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, ®)) { 5999 device_printf(adapter->dev, 6000 "Error reading from PHY's temperature status register\n"); 6001 return (EAGAIN); 6002 } 6003 6004 node.sysctl_data = &val; 6005 6006 /* Get occurrence bit */ 6007 val = !!(reg & 0x4000); 6008 6009 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 6010 if ((error) || (newp == NULL)) 6011 return (error); 6012 6013 return (0); 6014 } /* ixgbe_sysctl_phy_overtemp_occurred */ 6015 6016 /************************************************************************ 6017 * ixgbe_sysctl_eee_state 6018 * 6019 * Sysctl to set EEE power saving feature 6020 * Values: 6021 * 0 - disable EEE 6022 * 1 - enable EEE 6023 * (none) - get current device EEE state 6024 ************************************************************************/ 6025 static int 6026 ixgbe_sysctl_eee_state(SYSCTLFN_ARGS) 6027 { 6028 struct sysctlnode node = *rnode; 6029 struct adapter *adapter = (struct adapter *)node.sysctl_data; 6030 struct ifnet *ifp = adapter->ifp; 6031 device_t dev = adapter->dev; 6032 int curr_eee, new_eee, error = 0; 6033 s32 retval; 6034 6035 if (ixgbe_fw_recovery_mode_swflag(adapter)) 6036 return (EPERM); 6037 6038 curr_eee = new_eee = !!(adapter->feat_en & IXGBE_FEATURE_EEE); 6039 node.sysctl_data = &new_eee; 6040 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 6041 if ((error) || (newp == NULL)) 6042 return (error); 6043 6044 /* Nothing to do */ 6045 if (new_eee == curr_eee) 6046 return (0); 6047 6048 /* Not supported */ 6049 if (!(adapter->feat_cap & IXGBE_FEATURE_EEE)) 6050 return (EINVAL); 6051 6052 /* Bounds checking */ 6053 if ((new_eee < 0) || (new_eee > 1)) 6054 return (EINVAL); 6055 6056 retval = ixgbe_setup_eee(&adapter->hw, new_eee); 6057 if (retval) { 6058 device_printf(dev, "Error in EEE setup: 0x%08X\n", retval); 6059 return (EINVAL); 6060 } 6061 6062 /* Restart auto-neg */ 6063 ifp->if_init(ifp); 6064 6065 device_printf(dev, "New EEE state: %d\n", new_eee); 6066 6067 /* Cache new value */ 6068 if (new_eee) 6069 adapter->feat_en |= IXGBE_FEATURE_EEE; 6070 else 6071 adapter->feat_en &= ~IXGBE_FEATURE_EEE; 6072 6073 return (error); 6074 } /* ixgbe_sysctl_eee_state */ 6075 6076 #define PRINTQS(adapter, regname) \ 6077 do { \ 6078 struct ixgbe_hw *_hw = &(adapter)->hw; \ 6079 int _i; \ 6080 \ 6081 printf("%s: %s", device_xname((adapter)->dev), #regname); \ 6082 for (_i = 0; _i < (adapter)->num_queues; _i++) { \ 6083 printf((_i == 0) ? "\t" : " "); \ 6084 printf("%08x", IXGBE_READ_REG(_hw, \ 6085 IXGBE_##regname(_i))); \ 6086 } \ 6087 printf("\n"); \ 6088 } while (0) 6089 6090 /************************************************************************ 6091 * ixgbe_print_debug_info 6092 * 6093 * Called only when em_display_debug_stats is enabled. 6094 * Provides a way to take a look at important statistics 6095 * maintained by the driver and hardware. 6096 ************************************************************************/ 6097 static void 6098 ixgbe_print_debug_info(struct adapter *adapter) 6099 { 6100 device_t dev = adapter->dev; 6101 struct ixgbe_hw *hw = &adapter->hw; 6102 int table_size; 6103 int i; 6104 6105 switch (adapter->hw.mac.type) { 6106 case ixgbe_mac_X550: 6107 case ixgbe_mac_X550EM_x: 6108 case ixgbe_mac_X550EM_a: 6109 table_size = 128; 6110 break; 6111 default: 6112 table_size = 32; 6113 break; 6114 } 6115 6116 device_printf(dev, "[E]RETA:\n"); 6117 for (i = 0; i < table_size; i++) { 6118 if (i < 32) 6119 printf("%02x: %08x\n", i, IXGBE_READ_REG(hw, 6120 IXGBE_RETA(i))); 6121 else 6122 printf("%02x: %08x\n", i, IXGBE_READ_REG(hw, 6123 IXGBE_ERETA(i - 32))); 6124 } 6125 6126 device_printf(dev, "queue:"); 6127 for (i = 0; i < adapter->num_queues; i++) { 6128 printf((i == 0) ? "\t" : " "); 6129 printf("%8d", i); 6130 } 6131 printf("\n"); 6132 PRINTQS(adapter, RDBAL); 6133 PRINTQS(adapter, RDBAH); 6134 PRINTQS(adapter, RDLEN); 6135 PRINTQS(adapter, SRRCTL); 6136 PRINTQS(adapter, RDH); 6137 PRINTQS(adapter, RDT); 6138 PRINTQS(adapter, RXDCTL); 6139 6140 device_printf(dev, "RQSMR:"); 6141 for (i = 0; i < adapter->num_queues / 4; i++) { 6142 printf((i == 0) ? "\t" : " "); 6143 printf("%08x", IXGBE_READ_REG(hw, IXGBE_RQSMR(i))); 6144 } 6145 printf("\n"); 6146 6147 device_printf(dev, "disabled_count:"); 6148 for (i = 0; i < adapter->num_queues; i++) { 6149 printf((i == 0) ? "\t" : " "); 6150 printf("%8d", adapter->queues[i].disabled_count); 6151 } 6152 printf("\n"); 6153 6154 device_printf(dev, "EIMS:\t%08x\n", IXGBE_READ_REG(hw, IXGBE_EIMS)); 6155 if (hw->mac.type != ixgbe_mac_82598EB) { 6156 device_printf(dev, "EIMS_EX(0):\t%08x\n", 6157 IXGBE_READ_REG(hw, IXGBE_EIMS_EX(0))); 6158 device_printf(dev, "EIMS_EX(1):\t%08x\n", 6159 IXGBE_READ_REG(hw, IXGBE_EIMS_EX(1))); 6160 } 6161 device_printf(dev, "EIAM:\t%08x\n", IXGBE_READ_REG(hw, IXGBE_EIAM)); 6162 device_printf(dev, "EIAC:\t%08x\n", IXGBE_READ_REG(hw, IXGBE_EIAC)); 6163 } /* ixgbe_print_debug_info */ 6164 6165 /************************************************************************ 6166 * ixgbe_sysctl_debug 6167 ************************************************************************/ 6168 static int 6169 ixgbe_sysctl_debug(SYSCTLFN_ARGS) 6170 { 6171 struct sysctlnode node = *rnode; 6172 struct adapter *adapter = (struct adapter *)node.sysctl_data; 6173 int error, result = 0; 6174 6175 if (ixgbe_fw_recovery_mode_swflag(adapter)) 6176 return (EPERM); 6177 6178 node.sysctl_data = &result; 6179 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 6180 6181 if (error || newp == NULL) 6182 return error; 6183 6184 if (result == 1) 6185 ixgbe_print_debug_info(adapter); 6186 6187 return 0; 6188 } /* ixgbe_sysctl_debug */ 6189 6190 /************************************************************************ 6191 * ixgbe_init_device_features 6192 ************************************************************************/ 6193 static void 6194 ixgbe_init_device_features(struct adapter *adapter) 6195 { 6196 adapter->feat_cap = IXGBE_FEATURE_NETMAP 6197 | IXGBE_FEATURE_RSS 6198 | IXGBE_FEATURE_MSI 6199 | IXGBE_FEATURE_MSIX 6200 | IXGBE_FEATURE_LEGACY_IRQ 6201 | IXGBE_FEATURE_LEGACY_TX; 6202 6203 /* Set capabilities first... */ 6204 switch (adapter->hw.mac.type) { 6205 case ixgbe_mac_82598EB: 6206 if (adapter->hw.device_id == IXGBE_DEV_ID_82598AT) 6207 adapter->feat_cap |= IXGBE_FEATURE_FAN_FAIL; 6208 break; 6209 case ixgbe_mac_X540: 6210 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 6211 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 6212 if ((adapter->hw.device_id == IXGBE_DEV_ID_X540_BYPASS) && 6213 (adapter->hw.bus.func == 0)) 6214 adapter->feat_cap |= IXGBE_FEATURE_BYPASS; 6215 break; 6216 case ixgbe_mac_X550: 6217 /* 6218 * IXGBE_FEATURE_RECOVERY_MODE will be set after reading 6219 * NVM Image version. 6220 */ 6221 adapter->feat_cap |= IXGBE_FEATURE_TEMP_SENSOR; 6222 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 6223 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 6224 break; 6225 case ixgbe_mac_X550EM_x: 6226 /* 6227 * IXGBE_FEATURE_RECOVERY_MODE will be set after reading 6228 * NVM Image version. 6229 */ 6230 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 6231 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 6232 break; 6233 case ixgbe_mac_X550EM_a: 6234 /* 6235 * IXGBE_FEATURE_RECOVERY_MODE will be set after reading 6236 * NVM Image version. 6237 */ 6238 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 6239 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 6240 adapter->feat_cap &= ~IXGBE_FEATURE_LEGACY_IRQ; 6241 if ((adapter->hw.device_id == IXGBE_DEV_ID_X550EM_A_1G_T) || 6242 (adapter->hw.device_id == IXGBE_DEV_ID_X550EM_A_1G_T_L)) { 6243 adapter->feat_cap |= IXGBE_FEATURE_TEMP_SENSOR; 6244 adapter->feat_cap |= IXGBE_FEATURE_EEE; 6245 } 6246 break; 6247 case ixgbe_mac_82599EB: 6248 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 6249 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 6250 if ((adapter->hw.device_id == IXGBE_DEV_ID_82599_BYPASS) && 6251 (adapter->hw.bus.func == 0)) 6252 adapter->feat_cap |= IXGBE_FEATURE_BYPASS; 6253 if (adapter->hw.device_id == IXGBE_DEV_ID_82599_QSFP_SF_QP) 6254 adapter->feat_cap &= ~IXGBE_FEATURE_LEGACY_IRQ; 6255 break; 6256 default: 6257 break; 6258 } 6259 6260 /* Enabled by default... */ 6261 /* Fan failure detection */ 6262 if (adapter->feat_cap & IXGBE_FEATURE_FAN_FAIL) 6263 adapter->feat_en |= IXGBE_FEATURE_FAN_FAIL; 6264 /* Netmap */ 6265 if (adapter->feat_cap & IXGBE_FEATURE_NETMAP) 6266 adapter->feat_en |= IXGBE_FEATURE_NETMAP; 6267 /* EEE */ 6268 if (adapter->feat_cap & IXGBE_FEATURE_EEE) 6269 adapter->feat_en |= IXGBE_FEATURE_EEE; 6270 /* Thermal Sensor */ 6271 if (adapter->feat_cap & IXGBE_FEATURE_TEMP_SENSOR) 6272 adapter->feat_en |= IXGBE_FEATURE_TEMP_SENSOR; 6273 /* 6274 * Recovery mode: 6275 * NetBSD: IXGBE_FEATURE_RECOVERY_MODE will be controlled after reading 6276 * NVM Image version. 6277 */ 6278 6279 /* Enabled via global sysctl... */ 6280 /* Flow Director */ 6281 if (ixgbe_enable_fdir) { 6282 if (adapter->feat_cap & IXGBE_FEATURE_FDIR) 6283 adapter->feat_en |= IXGBE_FEATURE_FDIR; 6284 else 6285 device_printf(adapter->dev, "Device does not support Flow Director. Leaving disabled."); 6286 } 6287 /* Legacy (single queue) transmit */ 6288 if ((adapter->feat_cap & IXGBE_FEATURE_LEGACY_TX) && 6289 ixgbe_enable_legacy_tx) 6290 adapter->feat_en |= IXGBE_FEATURE_LEGACY_TX; 6291 /* 6292 * Message Signal Interrupts - Extended (MSI-X) 6293 * Normal MSI is only enabled if MSI-X calls fail. 6294 */ 6295 if (!ixgbe_enable_msix) 6296 adapter->feat_cap &= ~IXGBE_FEATURE_MSIX; 6297 /* Receive-Side Scaling (RSS) */ 6298 if ((adapter->feat_cap & IXGBE_FEATURE_RSS) && ixgbe_enable_rss) 6299 adapter->feat_en |= IXGBE_FEATURE_RSS; 6300 6301 /* Disable features with unmet dependencies... */ 6302 /* No MSI-X */ 6303 if (!(adapter->feat_cap & IXGBE_FEATURE_MSIX)) { 6304 adapter->feat_cap &= ~IXGBE_FEATURE_RSS; 6305 adapter->feat_cap &= ~IXGBE_FEATURE_SRIOV; 6306 adapter->feat_en &= ~IXGBE_FEATURE_RSS; 6307 adapter->feat_en &= ~IXGBE_FEATURE_SRIOV; 6308 } 6309 } /* ixgbe_init_device_features */ 6310 6311 /************************************************************************ 6312 * ixgbe_probe - Device identification routine 6313 * 6314 * Determines if the driver should be loaded on 6315 * adapter based on its PCI vendor/device ID. 6316 * 6317 * return BUS_PROBE_DEFAULT on success, positive on failure 6318 ************************************************************************/ 6319 static int 6320 ixgbe_probe(device_t dev, cfdata_t cf, void *aux) 6321 { 6322 const struct pci_attach_args *pa = aux; 6323 6324 return (ixgbe_lookup(pa) != NULL) ? 1 : 0; 6325 } 6326 6327 static const ixgbe_vendor_info_t * 6328 ixgbe_lookup(const struct pci_attach_args *pa) 6329 { 6330 const ixgbe_vendor_info_t *ent; 6331 pcireg_t subid; 6332 6333 INIT_DEBUGOUT("ixgbe_lookup: begin"); 6334 6335 if (PCI_VENDOR(pa->pa_id) != IXGBE_INTEL_VENDOR_ID) 6336 return NULL; 6337 6338 subid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG); 6339 6340 for (ent = ixgbe_vendor_info_array; ent->vendor_id != 0; ent++) { 6341 if ((PCI_VENDOR(pa->pa_id) == ent->vendor_id) && 6342 (PCI_PRODUCT(pa->pa_id) == ent->device_id) && 6343 ((PCI_SUBSYS_VENDOR(subid) == ent->subvendor_id) || 6344 (ent->subvendor_id == 0)) && 6345 ((PCI_SUBSYS_ID(subid) == ent->subdevice_id) || 6346 (ent->subdevice_id == 0))) { 6347 return ent; 6348 } 6349 } 6350 return NULL; 6351 } 6352 6353 static int 6354 ixgbe_ifflags_cb(struct ethercom *ec) 6355 { 6356 struct ifnet *ifp = &ec->ec_if; 6357 struct adapter *adapter = ifp->if_softc; 6358 u_short change; 6359 int rv = 0; 6360 6361 IXGBE_CORE_LOCK(adapter); 6362 6363 change = ifp->if_flags ^ adapter->if_flags; 6364 if (change != 0) 6365 adapter->if_flags = ifp->if_flags; 6366 6367 if ((change & ~(IFF_CANTCHANGE | IFF_DEBUG)) != 0) { 6368 rv = ENETRESET; 6369 goto out; 6370 } else if ((change & IFF_PROMISC) != 0) 6371 ixgbe_set_rxfilter(adapter); 6372 6373 /* Check for ec_capenable. */ 6374 change = ec->ec_capenable ^ adapter->ec_capenable; 6375 adapter->ec_capenable = ec->ec_capenable; 6376 if ((change & ~(ETHERCAP_VLAN_MTU | ETHERCAP_VLAN_HWTAGGING 6377 | ETHERCAP_VLAN_HWFILTER)) != 0) { 6378 rv = ENETRESET; 6379 goto out; 6380 } 6381 6382 /* 6383 * Special handling is not required for ETHERCAP_VLAN_MTU. 6384 * MAXFRS(MHADD) does not include the 4bytes of the VLAN header. 6385 */ 6386 6387 /* Set up VLAN support and filter */ 6388 if ((change & (ETHERCAP_VLAN_HWTAGGING | ETHERCAP_VLAN_HWFILTER)) != 0) 6389 ixgbe_setup_vlan_hw_support(adapter); 6390 6391 out: 6392 IXGBE_CORE_UNLOCK(adapter); 6393 6394 return rv; 6395 } 6396 6397 /************************************************************************ 6398 * ixgbe_ioctl - Ioctl entry point 6399 * 6400 * Called when the user wants to configure the interface. 6401 * 6402 * return 0 on success, positive on failure 6403 ************************************************************************/ 6404 static int 6405 ixgbe_ioctl(struct ifnet *ifp, u_long command, void *data) 6406 { 6407 struct adapter *adapter = ifp->if_softc; 6408 struct ixgbe_hw *hw = &adapter->hw; 6409 struct ifcapreq *ifcr = data; 6410 struct ifreq *ifr = data; 6411 int error = 0; 6412 int l4csum_en; 6413 const int l4csum = IFCAP_CSUM_TCPv4_Rx | IFCAP_CSUM_UDPv4_Rx | 6414 IFCAP_CSUM_TCPv6_Rx | IFCAP_CSUM_UDPv6_Rx; 6415 6416 if (ixgbe_fw_recovery_mode_swflag(adapter)) 6417 return (EPERM); 6418 6419 switch (command) { 6420 case SIOCSIFFLAGS: 6421 IOCTL_DEBUGOUT("ioctl: SIOCSIFFLAGS (Set Interface Flags)"); 6422 break; 6423 case SIOCADDMULTI: 6424 case SIOCDELMULTI: 6425 IOCTL_DEBUGOUT("ioctl: SIOC(ADD|DEL)MULTI"); 6426 break; 6427 case SIOCSIFMEDIA: 6428 case SIOCGIFMEDIA: 6429 IOCTL_DEBUGOUT("ioctl: SIOCxIFMEDIA (Get/Set Interface Media)"); 6430 break; 6431 case SIOCSIFCAP: 6432 IOCTL_DEBUGOUT("ioctl: SIOCSIFCAP (Set Capabilities)"); 6433 break; 6434 case SIOCSIFMTU: 6435 IOCTL_DEBUGOUT("ioctl: SIOCSIFMTU (Set Interface MTU)"); 6436 break; 6437 #ifdef __NetBSD__ 6438 case SIOCINITIFADDR: 6439 IOCTL_DEBUGOUT("ioctl: SIOCINITIFADDR"); 6440 break; 6441 case SIOCGIFFLAGS: 6442 IOCTL_DEBUGOUT("ioctl: SIOCGIFFLAGS"); 6443 break; 6444 case SIOCGIFAFLAG_IN: 6445 IOCTL_DEBUGOUT("ioctl: SIOCGIFAFLAG_IN"); 6446 break; 6447 case SIOCGIFADDR: 6448 IOCTL_DEBUGOUT("ioctl: SIOCGIFADDR"); 6449 break; 6450 case SIOCGIFMTU: 6451 IOCTL_DEBUGOUT("ioctl: SIOCGIFMTU (Get Interface MTU)"); 6452 break; 6453 case SIOCGIFCAP: 6454 IOCTL_DEBUGOUT("ioctl: SIOCGIFCAP (Get IF cap)"); 6455 break; 6456 case SIOCGETHERCAP: 6457 IOCTL_DEBUGOUT("ioctl: SIOCGETHERCAP (Get ethercap)"); 6458 break; 6459 case SIOCGLIFADDR: 6460 IOCTL_DEBUGOUT("ioctl: SIOCGLIFADDR (Get Interface addr)"); 6461 break; 6462 case SIOCZIFDATA: 6463 IOCTL_DEBUGOUT("ioctl: SIOCZIFDATA (Zero counter)"); 6464 hw->mac.ops.clear_hw_cntrs(hw); 6465 ixgbe_clear_evcnt(adapter); 6466 break; 6467 case SIOCAIFADDR: 6468 IOCTL_DEBUGOUT("ioctl: SIOCAIFADDR (add/chg IF alias)"); 6469 break; 6470 #endif 6471 default: 6472 IOCTL_DEBUGOUT1("ioctl: UNKNOWN (0x%X)", (int)command); 6473 break; 6474 } 6475 6476 switch (command) { 6477 case SIOCGI2C: 6478 { 6479 struct ixgbe_i2c_req i2c; 6480 6481 IOCTL_DEBUGOUT("ioctl: SIOCGI2C (Get I2C Data)"); 6482 error = copyin(ifr->ifr_data, &i2c, sizeof(i2c)); 6483 if (error != 0) 6484 break; 6485 if (i2c.dev_addr != 0xA0 && i2c.dev_addr != 0xA2) { 6486 error = EINVAL; 6487 break; 6488 } 6489 if (i2c.len > sizeof(i2c.data)) { 6490 error = EINVAL; 6491 break; 6492 } 6493 6494 hw->phy.ops.read_i2c_byte(hw, i2c.offset, 6495 i2c.dev_addr, i2c.data); 6496 error = copyout(&i2c, ifr->ifr_data, sizeof(i2c)); 6497 break; 6498 } 6499 case SIOCSIFCAP: 6500 /* Layer-4 Rx checksum offload has to be turned on and 6501 * off as a unit. 6502 */ 6503 l4csum_en = ifcr->ifcr_capenable & l4csum; 6504 if (l4csum_en != l4csum && l4csum_en != 0) 6505 return EINVAL; 6506 /*FALLTHROUGH*/ 6507 case SIOCADDMULTI: 6508 case SIOCDELMULTI: 6509 case SIOCSIFFLAGS: 6510 case SIOCSIFMTU: 6511 default: 6512 if ((error = ether_ioctl(ifp, command, data)) != ENETRESET) 6513 return error; 6514 if ((ifp->if_flags & IFF_RUNNING) == 0) 6515 ; 6516 else if (command == SIOCSIFCAP || command == SIOCSIFMTU) { 6517 IXGBE_CORE_LOCK(adapter); 6518 if ((ifp->if_flags & IFF_RUNNING) != 0) 6519 ixgbe_init_locked(adapter); 6520 ixgbe_recalculate_max_frame(adapter); 6521 IXGBE_CORE_UNLOCK(adapter); 6522 } else if (command == SIOCADDMULTI || command == SIOCDELMULTI) { 6523 /* 6524 * Multicast list has changed; set the hardware filter 6525 * accordingly. 6526 */ 6527 IXGBE_CORE_LOCK(adapter); 6528 ixgbe_disable_intr(adapter); 6529 ixgbe_set_rxfilter(adapter); 6530 ixgbe_enable_intr(adapter); 6531 IXGBE_CORE_UNLOCK(adapter); 6532 } 6533 return 0; 6534 } 6535 6536 return error; 6537 } /* ixgbe_ioctl */ 6538 6539 /************************************************************************ 6540 * ixgbe_check_fan_failure 6541 ************************************************************************/ 6542 static void 6543 ixgbe_check_fan_failure(struct adapter *adapter, u32 reg, bool in_interrupt) 6544 { 6545 u32 mask; 6546 6547 mask = (in_interrupt) ? IXGBE_EICR_GPI_SDP1_BY_MAC(&adapter->hw) : 6548 IXGBE_ESDP_SDP1; 6549 6550 if (reg & mask) 6551 device_printf(adapter->dev, "\nCRITICAL: FAN FAILURE!! REPLACE IMMEDIATELY!!\n"); 6552 } /* ixgbe_check_fan_failure */ 6553 6554 /************************************************************************ 6555 * ixgbe_handle_que 6556 ************************************************************************/ 6557 static void 6558 ixgbe_handle_que(void *context) 6559 { 6560 struct ix_queue *que = context; 6561 struct adapter *adapter = que->adapter; 6562 struct tx_ring *txr = que->txr; 6563 struct ifnet *ifp = adapter->ifp; 6564 bool more = false; 6565 6566 que->handleq.ev_count++; 6567 6568 if (ifp->if_flags & IFF_RUNNING) { 6569 more = ixgbe_rxeof(que); 6570 IXGBE_TX_LOCK(txr); 6571 more |= ixgbe_txeof(txr); 6572 if (!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX)) 6573 if (!ixgbe_mq_ring_empty(ifp, txr->txr_interq)) 6574 ixgbe_mq_start_locked(ifp, txr); 6575 /* Only for queue 0 */ 6576 /* NetBSD still needs this for CBQ */ 6577 if ((&adapter->queues[0] == que) 6578 && (!ixgbe_legacy_ring_empty(ifp, NULL))) 6579 ixgbe_legacy_start_locked(ifp, txr); 6580 IXGBE_TX_UNLOCK(txr); 6581 } 6582 6583 if (more) { 6584 que->req.ev_count++; 6585 ixgbe_sched_handle_que(adapter, que); 6586 } else if (que->res != NULL) { 6587 /* MSIX: Re-enable this interrupt */ 6588 ixgbe_enable_queue(adapter, que->msix); 6589 } else { 6590 /* INTx or MSI */ 6591 ixgbe_enable_queue(adapter, 0); 6592 } 6593 6594 return; 6595 } /* ixgbe_handle_que */ 6596 6597 /************************************************************************ 6598 * ixgbe_handle_que_work 6599 ************************************************************************/ 6600 static void 6601 ixgbe_handle_que_work(struct work *wk, void *context) 6602 { 6603 struct ix_queue *que = container_of(wk, struct ix_queue, wq_cookie); 6604 6605 /* 6606 * "enqueued flag" is not required here. 6607 * See ixgbe_msix_que(). 6608 */ 6609 ixgbe_handle_que(que); 6610 } 6611 6612 /************************************************************************ 6613 * ixgbe_allocate_legacy - Setup the Legacy or MSI Interrupt handler 6614 ************************************************************************/ 6615 static int 6616 ixgbe_allocate_legacy(struct adapter *adapter, 6617 const struct pci_attach_args *pa) 6618 { 6619 device_t dev = adapter->dev; 6620 struct ix_queue *que = adapter->queues; 6621 struct tx_ring *txr = adapter->tx_rings; 6622 int counts[PCI_INTR_TYPE_SIZE]; 6623 pci_intr_type_t intr_type, max_type; 6624 char intrbuf[PCI_INTRSTR_LEN]; 6625 char wqname[MAXCOMLEN]; 6626 const char *intrstr = NULL; 6627 int defertx_error = 0, error; 6628 6629 /* We allocate a single interrupt resource */ 6630 max_type = PCI_INTR_TYPE_MSI; 6631 counts[PCI_INTR_TYPE_MSIX] = 0; 6632 counts[PCI_INTR_TYPE_MSI] = 6633 (adapter->feat_en & IXGBE_FEATURE_MSI) ? 1 : 0; 6634 /* Check not feat_en but feat_cap to fallback to INTx */ 6635 counts[PCI_INTR_TYPE_INTX] = 6636 (adapter->feat_cap & IXGBE_FEATURE_LEGACY_IRQ) ? 1 : 0; 6637 6638 alloc_retry: 6639 if (pci_intr_alloc(pa, &adapter->osdep.intrs, counts, max_type) != 0) { 6640 aprint_error_dev(dev, "couldn't alloc interrupt\n"); 6641 return ENXIO; 6642 } 6643 adapter->osdep.nintrs = 1; 6644 intrstr = pci_intr_string(adapter->osdep.pc, adapter->osdep.intrs[0], 6645 intrbuf, sizeof(intrbuf)); 6646 adapter->osdep.ihs[0] = pci_intr_establish_xname(adapter->osdep.pc, 6647 adapter->osdep.intrs[0], IPL_NET, ixgbe_legacy_irq, que, 6648 device_xname(dev)); 6649 intr_type = pci_intr_type(adapter->osdep.pc, adapter->osdep.intrs[0]); 6650 if (adapter->osdep.ihs[0] == NULL) { 6651 aprint_error_dev(dev,"unable to establish %s\n", 6652 (intr_type == PCI_INTR_TYPE_MSI) ? "MSI" : "INTx"); 6653 pci_intr_release(adapter->osdep.pc, adapter->osdep.intrs, 1); 6654 adapter->osdep.intrs = NULL; 6655 switch (intr_type) { 6656 case PCI_INTR_TYPE_MSI: 6657 /* The next try is for INTx: Disable MSI */ 6658 max_type = PCI_INTR_TYPE_INTX; 6659 counts[PCI_INTR_TYPE_INTX] = 1; 6660 adapter->feat_en &= ~IXGBE_FEATURE_MSI; 6661 if (adapter->feat_cap & IXGBE_FEATURE_LEGACY_IRQ) { 6662 adapter->feat_en |= IXGBE_FEATURE_LEGACY_IRQ; 6663 goto alloc_retry; 6664 } else 6665 break; 6666 case PCI_INTR_TYPE_INTX: 6667 default: 6668 /* See below */ 6669 break; 6670 } 6671 } 6672 if (intr_type == PCI_INTR_TYPE_INTX) { 6673 adapter->feat_en &= ~IXGBE_FEATURE_MSI; 6674 adapter->feat_en |= IXGBE_FEATURE_LEGACY_IRQ; 6675 } 6676 if (adapter->osdep.ihs[0] == NULL) { 6677 aprint_error_dev(dev, 6678 "couldn't establish interrupt%s%s\n", 6679 intrstr ? " at " : "", intrstr ? intrstr : ""); 6680 pci_intr_release(adapter->osdep.pc, adapter->osdep.intrs, 1); 6681 adapter->osdep.intrs = NULL; 6682 return ENXIO; 6683 } 6684 aprint_normal_dev(dev, "interrupting at %s\n", intrstr); 6685 /* 6686 * Try allocating a fast interrupt and the associated deferred 6687 * processing contexts. 6688 */ 6689 if (!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX)) { 6690 txr->txr_si = 6691 softint_establish(SOFTINT_NET | IXGBE_SOFTINT_FLAGS, 6692 ixgbe_deferred_mq_start, txr); 6693 6694 snprintf(wqname, sizeof(wqname), "%sdeferTx", device_xname(dev)); 6695 defertx_error = workqueue_create(&adapter->txr_wq, wqname, 6696 ixgbe_deferred_mq_start_work, adapter, IXGBE_WORKQUEUE_PRI, 6697 IPL_NET, IXGBE_WORKQUEUE_FLAGS); 6698 adapter->txr_wq_enqueued = percpu_alloc(sizeof(u_int)); 6699 } 6700 que->que_si = softint_establish(SOFTINT_NET | IXGBE_SOFTINT_FLAGS, 6701 ixgbe_handle_que, que); 6702 snprintf(wqname, sizeof(wqname), "%sTxRx", device_xname(dev)); 6703 error = workqueue_create(&adapter->que_wq, wqname, 6704 ixgbe_handle_que_work, adapter, IXGBE_WORKQUEUE_PRI, IPL_NET, 6705 IXGBE_WORKQUEUE_FLAGS); 6706 6707 if ((!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX) 6708 && ((txr->txr_si == NULL) || defertx_error != 0)) 6709 || (que->que_si == NULL) || error != 0) { 6710 aprint_error_dev(dev, 6711 "could not establish software interrupts\n"); 6712 6713 return ENXIO; 6714 } 6715 /* For simplicity in the handlers */ 6716 adapter->active_queues = IXGBE_EIMS_ENABLE_MASK; 6717 6718 return (0); 6719 } /* ixgbe_allocate_legacy */ 6720 6721 /************************************************************************ 6722 * ixgbe_allocate_msix - Setup MSI-X Interrupt resources and handlers 6723 ************************************************************************/ 6724 static int 6725 ixgbe_allocate_msix(struct adapter *adapter, const struct pci_attach_args *pa) 6726 { 6727 device_t dev = adapter->dev; 6728 struct ix_queue *que = adapter->queues; 6729 struct tx_ring *txr = adapter->tx_rings; 6730 pci_chipset_tag_t pc; 6731 char intrbuf[PCI_INTRSTR_LEN]; 6732 char intr_xname[32]; 6733 char wqname[MAXCOMLEN]; 6734 const char *intrstr = NULL; 6735 int error, vector = 0; 6736 int cpu_id = 0; 6737 kcpuset_t *affinity; 6738 #ifdef RSS 6739 unsigned int rss_buckets = 0; 6740 kcpuset_t cpu_mask; 6741 #endif 6742 6743 pc = adapter->osdep.pc; 6744 #ifdef RSS 6745 /* 6746 * If we're doing RSS, the number of queues needs to 6747 * match the number of RSS buckets that are configured. 6748 * 6749 * + If there's more queues than RSS buckets, we'll end 6750 * up with queues that get no traffic. 6751 * 6752 * + If there's more RSS buckets than queues, we'll end 6753 * up having multiple RSS buckets map to the same queue, 6754 * so there'll be some contention. 6755 */ 6756 rss_buckets = rss_getnumbuckets(); 6757 if ((adapter->feat_en & IXGBE_FEATURE_RSS) && 6758 (adapter->num_queues != rss_buckets)) { 6759 device_printf(dev, 6760 "%s: number of queues (%d) != number of RSS buckets (%d)" 6761 "; performance will be impacted.\n", 6762 __func__, adapter->num_queues, rss_buckets); 6763 } 6764 #endif 6765 6766 adapter->osdep.nintrs = adapter->num_queues + 1; 6767 if (pci_msix_alloc_exact(pa, &adapter->osdep.intrs, 6768 adapter->osdep.nintrs) != 0) { 6769 aprint_error_dev(dev, 6770 "failed to allocate MSI-X interrupt\n"); 6771 return (ENXIO); 6772 } 6773 6774 kcpuset_create(&affinity, false); 6775 for (int i = 0; i < adapter->num_queues; i++, vector++, que++, txr++) { 6776 snprintf(intr_xname, sizeof(intr_xname), "%s TXRX%d", 6777 device_xname(dev), i); 6778 intrstr = pci_intr_string(pc, adapter->osdep.intrs[i], intrbuf, 6779 sizeof(intrbuf)); 6780 #ifdef IXGBE_MPSAFE 6781 pci_intr_setattr(pc, &adapter->osdep.intrs[i], PCI_INTR_MPSAFE, 6782 true); 6783 #endif 6784 /* Set the handler function */ 6785 que->res = adapter->osdep.ihs[i] = pci_intr_establish_xname(pc, 6786 adapter->osdep.intrs[i], IPL_NET, ixgbe_msix_que, que, 6787 intr_xname); 6788 if (que->res == NULL) { 6789 aprint_error_dev(dev, 6790 "Failed to register QUE handler\n"); 6791 error = ENXIO; 6792 goto err_out; 6793 } 6794 que->msix = vector; 6795 adapter->active_queues |= 1ULL << que->msix; 6796 6797 if (adapter->feat_en & IXGBE_FEATURE_RSS) { 6798 #ifdef RSS 6799 /* 6800 * The queue ID is used as the RSS layer bucket ID. 6801 * We look up the queue ID -> RSS CPU ID and select 6802 * that. 6803 */ 6804 cpu_id = rss_getcpu(i % rss_getnumbuckets()); 6805 CPU_SETOF(cpu_id, &cpu_mask); 6806 #endif 6807 } else { 6808 /* 6809 * Bind the MSI-X vector, and thus the 6810 * rings to the corresponding CPU. 6811 * 6812 * This just happens to match the default RSS 6813 * round-robin bucket -> queue -> CPU allocation. 6814 */ 6815 if (adapter->num_queues > 1) 6816 cpu_id = i; 6817 } 6818 /* Round-robin affinity */ 6819 kcpuset_zero(affinity); 6820 kcpuset_set(affinity, cpu_id % ncpu); 6821 error = interrupt_distribute(adapter->osdep.ihs[i], affinity, 6822 NULL); 6823 aprint_normal_dev(dev, "for TX/RX, interrupting at %s", 6824 intrstr); 6825 if (error == 0) { 6826 #if 1 /* def IXGBE_DEBUG */ 6827 #ifdef RSS 6828 aprintf_normal(", bound RSS bucket %d to CPU %d", i, 6829 cpu_id % ncpu); 6830 #else 6831 aprint_normal(", bound queue %d to cpu %d", i, 6832 cpu_id % ncpu); 6833 #endif 6834 #endif /* IXGBE_DEBUG */ 6835 } 6836 aprint_normal("\n"); 6837 6838 if (!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX)) { 6839 txr->txr_si = softint_establish( 6840 SOFTINT_NET | IXGBE_SOFTINT_FLAGS, 6841 ixgbe_deferred_mq_start, txr); 6842 if (txr->txr_si == NULL) { 6843 aprint_error_dev(dev, 6844 "couldn't establish software interrupt\n"); 6845 error = ENXIO; 6846 goto err_out; 6847 } 6848 } 6849 que->que_si 6850 = softint_establish(SOFTINT_NET | IXGBE_SOFTINT_FLAGS, 6851 ixgbe_handle_que, que); 6852 if (que->que_si == NULL) { 6853 aprint_error_dev(dev, 6854 "couldn't establish software interrupt\n"); 6855 error = ENXIO; 6856 goto err_out; 6857 } 6858 } 6859 snprintf(wqname, sizeof(wqname), "%sdeferTx", device_xname(dev)); 6860 error = workqueue_create(&adapter->txr_wq, wqname, 6861 ixgbe_deferred_mq_start_work, adapter, IXGBE_WORKQUEUE_PRI, IPL_NET, 6862 IXGBE_WORKQUEUE_FLAGS); 6863 if (error) { 6864 aprint_error_dev(dev, "couldn't create workqueue for deferred Tx\n"); 6865 goto err_out; 6866 } 6867 adapter->txr_wq_enqueued = percpu_alloc(sizeof(u_int)); 6868 6869 snprintf(wqname, sizeof(wqname), "%sTxRx", device_xname(dev)); 6870 error = workqueue_create(&adapter->que_wq, wqname, 6871 ixgbe_handle_que_work, adapter, IXGBE_WORKQUEUE_PRI, IPL_NET, 6872 IXGBE_WORKQUEUE_FLAGS); 6873 if (error) { 6874 aprint_error_dev(dev, "couldn't create workqueue for Tx/Rx\n"); 6875 goto err_out; 6876 } 6877 6878 /* and Link */ 6879 cpu_id++; 6880 snprintf(intr_xname, sizeof(intr_xname), "%s link", device_xname(dev)); 6881 adapter->vector = vector; 6882 intrstr = pci_intr_string(pc, adapter->osdep.intrs[vector], intrbuf, 6883 sizeof(intrbuf)); 6884 #ifdef IXGBE_MPSAFE 6885 pci_intr_setattr(pc, &adapter->osdep.intrs[vector], PCI_INTR_MPSAFE, 6886 true); 6887 #endif 6888 /* Set the link handler function */ 6889 adapter->osdep.ihs[vector] = pci_intr_establish_xname(pc, 6890 adapter->osdep.intrs[vector], IPL_NET, ixgbe_msix_admin, adapter, 6891 intr_xname); 6892 if (adapter->osdep.ihs[vector] == NULL) { 6893 aprint_error_dev(dev, "Failed to register LINK handler\n"); 6894 error = ENXIO; 6895 goto err_out; 6896 } 6897 /* Round-robin affinity */ 6898 kcpuset_zero(affinity); 6899 kcpuset_set(affinity, cpu_id % ncpu); 6900 error = interrupt_distribute(adapter->osdep.ihs[vector], affinity, 6901 NULL); 6902 6903 aprint_normal_dev(dev, 6904 "for link, interrupting at %s", intrstr); 6905 if (error == 0) 6906 aprint_normal(", affinity to cpu %d\n", cpu_id % ncpu); 6907 else 6908 aprint_normal("\n"); 6909 6910 kcpuset_destroy(affinity); 6911 aprint_normal_dev(dev, 6912 "Using MSI-X interrupts with %d vectors\n", vector + 1); 6913 6914 return (0); 6915 6916 err_out: 6917 kcpuset_destroy(affinity); 6918 ixgbe_free_deferred_handlers(adapter); 6919 ixgbe_free_pciintr_resources(adapter); 6920 return (error); 6921 } /* ixgbe_allocate_msix */ 6922 6923 /************************************************************************ 6924 * ixgbe_configure_interrupts 6925 * 6926 * Setup MSI-X, MSI, or legacy interrupts (in that order). 6927 * This will also depend on user settings. 6928 ************************************************************************/ 6929 static int 6930 ixgbe_configure_interrupts(struct adapter *adapter) 6931 { 6932 device_t dev = adapter->dev; 6933 struct ixgbe_mac_info *mac = &adapter->hw.mac; 6934 int want, queues, msgs; 6935 6936 /* Default to 1 queue if MSI-X setup fails */ 6937 adapter->num_queues = 1; 6938 6939 /* Override by tuneable */ 6940 if (!(adapter->feat_cap & IXGBE_FEATURE_MSIX)) 6941 goto msi; 6942 6943 /* 6944 * NetBSD only: Use single vector MSI when number of CPU is 1 to save 6945 * interrupt slot. 6946 */ 6947 if (ncpu == 1) 6948 goto msi; 6949 6950 /* First try MSI-X */ 6951 msgs = pci_msix_count(adapter->osdep.pc, adapter->osdep.tag); 6952 msgs = MIN(msgs, IXG_MAX_NINTR); 6953 if (msgs < 2) 6954 goto msi; 6955 6956 adapter->msix_mem = (void *)1; /* XXX */ 6957 6958 /* Figure out a reasonable auto config value */ 6959 queues = (ncpu > (msgs - 1)) ? (msgs - 1) : ncpu; 6960 6961 #ifdef RSS 6962 /* If we're doing RSS, clamp at the number of RSS buckets */ 6963 if (adapter->feat_en & IXGBE_FEATURE_RSS) 6964 queues = uimin(queues, rss_getnumbuckets()); 6965 #endif 6966 if (ixgbe_num_queues > queues) { 6967 aprint_error_dev(adapter->dev, "ixgbe_num_queues (%d) is too large, using reduced amount (%d).\n", ixgbe_num_queues, queues); 6968 ixgbe_num_queues = queues; 6969 } 6970 6971 if (ixgbe_num_queues != 0) 6972 queues = ixgbe_num_queues; 6973 else 6974 queues = uimin(queues, 6975 uimin(mac->max_tx_queues, mac->max_rx_queues)); 6976 6977 /* reflect correct sysctl value */ 6978 ixgbe_num_queues = queues; 6979 6980 /* 6981 * Want one vector (RX/TX pair) per queue 6982 * plus an additional for Link. 6983 */ 6984 want = queues + 1; 6985 if (msgs >= want) 6986 msgs = want; 6987 else { 6988 aprint_error_dev(dev, "MSI-X Configuration Problem, " 6989 "%d vectors but %d queues wanted!\n", 6990 msgs, want); 6991 goto msi; 6992 } 6993 adapter->num_queues = queues; 6994 adapter->feat_en |= IXGBE_FEATURE_MSIX; 6995 return (0); 6996 6997 /* 6998 * MSI-X allocation failed or provided us with 6999 * less vectors than needed. Free MSI-X resources 7000 * and we'll try enabling MSI. 7001 */ 7002 msi: 7003 /* Without MSI-X, some features are no longer supported */ 7004 adapter->feat_cap &= ~IXGBE_FEATURE_RSS; 7005 adapter->feat_en &= ~IXGBE_FEATURE_RSS; 7006 adapter->feat_cap &= ~IXGBE_FEATURE_SRIOV; 7007 adapter->feat_en &= ~IXGBE_FEATURE_SRIOV; 7008 7009 msgs = pci_msi_count(adapter->osdep.pc, adapter->osdep.tag); 7010 adapter->msix_mem = NULL; /* XXX */ 7011 if (msgs > 1) 7012 msgs = 1; 7013 if (msgs != 0) { 7014 msgs = 1; 7015 adapter->feat_en |= IXGBE_FEATURE_MSI; 7016 return (0); 7017 } 7018 7019 if (!(adapter->feat_cap & IXGBE_FEATURE_LEGACY_IRQ)) { 7020 aprint_error_dev(dev, 7021 "Device does not support legacy interrupts.\n"); 7022 return 1; 7023 } 7024 7025 adapter->feat_en |= IXGBE_FEATURE_LEGACY_IRQ; 7026 7027 return (0); 7028 } /* ixgbe_configure_interrupts */ 7029 7030 7031 /************************************************************************ 7032 * ixgbe_handle_link - Tasklet for MSI-X Link interrupts 7033 * 7034 * Done outside of interrupt context since the driver might sleep 7035 ************************************************************************/ 7036 static void 7037 ixgbe_handle_link(void *context) 7038 { 7039 struct adapter *adapter = context; 7040 struct ixgbe_hw *hw = &adapter->hw; 7041 7042 KASSERT(mutex_owned(&adapter->core_mtx)); 7043 7044 ++adapter->link_workev.ev_count; 7045 ixgbe_check_link(hw, &adapter->link_speed, &adapter->link_up, 0); 7046 ixgbe_update_link_status(adapter); 7047 7048 /* Re-enable link interrupts */ 7049 IXGBE_WRITE_REG(hw, IXGBE_EIMS, IXGBE_EIMS_LSC); 7050 } /* ixgbe_handle_link */ 7051 7052 #if 0 7053 /************************************************************************ 7054 * ixgbe_rearm_queues 7055 ************************************************************************/ 7056 static __inline void 7057 ixgbe_rearm_queues(struct adapter *adapter, u64 queues) 7058 { 7059 u32 mask; 7060 7061 switch (adapter->hw.mac.type) { 7062 case ixgbe_mac_82598EB: 7063 mask = (IXGBE_EIMS_RTX_QUEUE & queues); 7064 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS, mask); 7065 break; 7066 case ixgbe_mac_82599EB: 7067 case ixgbe_mac_X540: 7068 case ixgbe_mac_X550: 7069 case ixgbe_mac_X550EM_x: 7070 case ixgbe_mac_X550EM_a: 7071 mask = (queues & 0xFFFFFFFF); 7072 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS_EX(0), mask); 7073 mask = (queues >> 32); 7074 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS_EX(1), mask); 7075 break; 7076 default: 7077 break; 7078 } 7079 } /* ixgbe_rearm_queues */ 7080 #endif 7081
Indexes created Mon Sep 29 21:09:56 GMT 2025