ixgbe.c revision 1.261
1 /* $NetBSD: ixgbe.c,v 1.261 2020/11/30 07:53:42 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 *); 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; 1570 } 1571 task_requests |= IXGBE_REQUEST_TASK_MOD; 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 task_requests = 0; 3094 s32 retval; 3095 3096 ++adapter->admin_irqev.ev_count; 3097 3098 /* Pause other interrupts */ 3099 IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_EIMC_OTHER); 3100 3101 /* First get the cause */ 3102 /* 3103 * The specifications of 82598, 82599, X540 and X550 say EICS register 3104 * is write only. However, Linux says it is a workaround for silicon 3105 * errata to read EICS instead of EICR to get interrupt cause. It seems 3106 * there is a problem about read clear mechanism for EICR register. 3107 */ 3108 eicr = IXGBE_READ_REG(hw, IXGBE_EICS); 3109 /* Be sure the queue bits are not cleared */ 3110 eicr &= ~IXGBE_EICR_RTX_QUEUE; 3111 /* Clear interrupt with write */ 3112 IXGBE_WRITE_REG(hw, IXGBE_EICR, eicr); 3113 3114 if (ixgbe_is_sfp(hw)) { 3115 /* Pluggable optics-related interrupt */ 3116 if (hw->mac.type >= ixgbe_mac_X540) 3117 eicr_mask = IXGBE_EICR_GPI_SDP0_X540; 3118 else 3119 eicr_mask = IXGBE_EICR_GPI_SDP2_BY_MAC(hw); 3120 3121 /* 3122 * An interrupt might not arrive when a module is inserted. 3123 * When an link status change interrupt occurred and the driver 3124 * still regard SFP as unplugged, issue the module softint 3125 * and then issue LSC interrupt. 3126 */ 3127 if ((eicr & eicr_mask) 3128 || ((hw->phy.sfp_type == ixgbe_sfp_type_not_present) 3129 && (eicr & IXGBE_EICR_LSC))) { 3130 IXGBE_WRITE_REG(hw, IXGBE_EICR, eicr_mask); 3131 task_requests |= IXGBE_REQUEST_TASK_MOD; 3132 } 3133 3134 if ((hw->mac.type == ixgbe_mac_82599EB) && 3135 (eicr & IXGBE_EICR_GPI_SDP1_BY_MAC(hw))) { 3136 IXGBE_WRITE_REG(hw, IXGBE_EICR, 3137 IXGBE_EICR_GPI_SDP1_BY_MAC(hw)); 3138 task_requests |= IXGBE_REQUEST_TASK_MSF; 3139 } 3140 } 3141 3142 /* Link status change */ 3143 if (eicr & IXGBE_EICR_LSC) { 3144 IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_EIMC_LSC); 3145 task_requests |= IXGBE_REQUEST_TASK_LSC; 3146 } 3147 3148 if (adapter->hw.mac.type != ixgbe_mac_82598EB) { 3149 if ((adapter->feat_en & IXGBE_FEATURE_FDIR) && 3150 (eicr & IXGBE_EICR_FLOW_DIR)) { 3151 /* This is probably overkill :) */ 3152 if (!atomic_cas_uint(&adapter->fdir_reinit, 0, 1)) 3153 return 1; 3154 /* Disable the interrupt */ 3155 IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_EIMC_FLOW_DIR); 3156 task_requests |= IXGBE_REQUEST_TASK_FDIR; 3157 } 3158 3159 if (eicr & IXGBE_EICR_ECC) { 3160 device_printf(adapter->dev, 3161 "CRITICAL: ECC ERROR!! Please Reboot!!\n"); 3162 IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_ECC); 3163 } 3164 3165 /* Check for over temp condition */ 3166 if (adapter->feat_en & IXGBE_FEATURE_TEMP_SENSOR) { 3167 switch (adapter->hw.mac.type) { 3168 case ixgbe_mac_X550EM_a: 3169 if (!(eicr & IXGBE_EICR_GPI_SDP0_X550EM_a)) 3170 break; 3171 IXGBE_WRITE_REG(hw, IXGBE_EIMC, 3172 IXGBE_EICR_GPI_SDP0_X550EM_a); 3173 IXGBE_WRITE_REG(hw, IXGBE_EICR, 3174 IXGBE_EICR_GPI_SDP0_X550EM_a); 3175 retval = hw->phy.ops.check_overtemp(hw); 3176 if (retval != IXGBE_ERR_OVERTEMP) 3177 break; 3178 device_printf(adapter->dev, "CRITICAL: OVER TEMP!! PHY IS SHUT DOWN!!\n"); 3179 device_printf(adapter->dev, "System shutdown required!\n"); 3180 break; 3181 default: 3182 if (!(eicr & IXGBE_EICR_TS)) 3183 break; 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 IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_TS); 3190 break; 3191 } 3192 } 3193 3194 /* Check for VF message */ 3195 if ((adapter->feat_en & IXGBE_FEATURE_SRIOV) && 3196 (eicr & IXGBE_EICR_MAILBOX)) { 3197 task_requests |= IXGBE_REQUEST_TASK_MBX; 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 IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_GPI_SDP1_BY_MAC(hw)); 3205 } 3206 3207 /* External PHY interrupt */ 3208 if ((hw->phy.type == ixgbe_phy_x550em_ext_t) && 3209 (eicr & IXGBE_EICR_GPI_SDP0_X540)) { 3210 IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_GPI_SDP0_X540); 3211 task_requests |= IXGBE_REQUEST_TASK_PHY; 3212 } 3213 3214 if (task_requests != 0) { 3215 /* Re-enabling other interrupts is done in the admin task */ 3216 task_requests |= IXGBE_REQUEST_TASK_NEED_ACKINTR; 3217 3218 mutex_enter(&adapter->admin_mtx); 3219 adapter->task_requests |= task_requests; 3220 ixgbe_schedule_admin_tasklet(adapter); 3221 mutex_exit(&adapter->admin_mtx); 3222 } else { 3223 /* Re-enable other interrupts */ 3224 IXGBE_WRITE_REG(hw, IXGBE_EIMS, IXGBE_EIMS_OTHER); 3225 } 3226 3227 return 1; 3228 } /* ixgbe_msix_admin */ 3229 3230 static void 3231 ixgbe_eitr_write(struct adapter *adapter, uint32_t index, uint32_t itr) 3232 { 3233 3234 if (adapter->hw.mac.type == ixgbe_mac_82598EB) 3235 itr |= itr << 16; 3236 else 3237 itr |= IXGBE_EITR_CNT_WDIS; 3238 3239 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EITR(index), itr); 3240 } 3241 3242 3243 /************************************************************************ 3244 * ixgbe_sysctl_interrupt_rate_handler 3245 ************************************************************************/ 3246 static int 3247 ixgbe_sysctl_interrupt_rate_handler(SYSCTLFN_ARGS) 3248 { 3249 struct sysctlnode node = *rnode; 3250 struct ix_queue *que = (struct ix_queue *)node.sysctl_data; 3251 struct adapter *adapter; 3252 uint32_t reg, usec, rate; 3253 int error; 3254 3255 if (que == NULL) 3256 return 0; 3257 3258 adapter = que->adapter; 3259 if (ixgbe_fw_recovery_mode_swflag(adapter)) 3260 return (EPERM); 3261 3262 reg = IXGBE_READ_REG(&adapter->hw, IXGBE_EITR(que->msix)); 3263 usec = ((reg & 0x0FF8) >> 3); 3264 if (usec > 0) 3265 rate = 500000 / usec; 3266 else 3267 rate = 0; 3268 node.sysctl_data = &rate; 3269 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 3270 if (error || newp == NULL) 3271 return error; 3272 reg &= ~0xfff; /* default, no limitation */ 3273 if (rate > 0 && rate < 500000) { 3274 if (rate < 1000) 3275 rate = 1000; 3276 reg |= ((4000000 / rate) & 0xff8); 3277 /* 3278 * When RSC is used, ITR interval must be larger than 3279 * RSC_DELAY. Currently, we use 2us for RSC_DELAY. 3280 * The minimum value is always greater than 2us on 100M 3281 * (and 10M?(not documented)), but it's not on 1G and higher. 3282 */ 3283 if ((adapter->link_speed != IXGBE_LINK_SPEED_100_FULL) 3284 && (adapter->link_speed != IXGBE_LINK_SPEED_10_FULL)) { 3285 if ((adapter->num_queues > 1) 3286 && (reg < IXGBE_MIN_RSC_EITR_10G1G)) 3287 return EINVAL; 3288 } 3289 ixgbe_max_interrupt_rate = rate; 3290 } else 3291 ixgbe_max_interrupt_rate = 0; 3292 ixgbe_eitr_write(adapter, que->msix, reg); 3293 3294 return (0); 3295 } /* ixgbe_sysctl_interrupt_rate_handler */ 3296 3297 const struct sysctlnode * 3298 ixgbe_sysctl_instance(struct adapter *adapter) 3299 { 3300 const char *dvname; 3301 struct sysctllog **log; 3302 int rc; 3303 const struct sysctlnode *rnode; 3304 3305 if (adapter->sysctltop != NULL) 3306 return adapter->sysctltop; 3307 3308 log = &adapter->sysctllog; 3309 dvname = device_xname(adapter->dev); 3310 3311 if ((rc = sysctl_createv(log, 0, NULL, &rnode, 3312 0, CTLTYPE_NODE, dvname, 3313 SYSCTL_DESCR("ixgbe information and settings"), 3314 NULL, 0, NULL, 0, CTL_HW, CTL_CREATE, CTL_EOL)) != 0) 3315 goto err; 3316 3317 return rnode; 3318 err: 3319 device_printf(adapter->dev, 3320 "%s: sysctl_createv failed, rc = %d\n", __func__, rc); 3321 return NULL; 3322 } 3323 3324 /************************************************************************ 3325 * ixgbe_add_device_sysctls 3326 ************************************************************************/ 3327 static void 3328 ixgbe_add_device_sysctls(struct adapter *adapter) 3329 { 3330 device_t dev = adapter->dev; 3331 struct ixgbe_hw *hw = &adapter->hw; 3332 struct sysctllog **log; 3333 const struct sysctlnode *rnode, *cnode; 3334 3335 log = &adapter->sysctllog; 3336 3337 if ((rnode = ixgbe_sysctl_instance(adapter)) == NULL) { 3338 aprint_error_dev(dev, "could not create sysctl root\n"); 3339 return; 3340 } 3341 3342 if (sysctl_createv(log, 0, &rnode, &cnode, 3343 CTLFLAG_READWRITE, CTLTYPE_INT, 3344 "debug", SYSCTL_DESCR("Debug Info"), 3345 ixgbe_sysctl_debug, 0, (void *)adapter, 0, CTL_CREATE, CTL_EOL) != 0) 3346 aprint_error_dev(dev, "could not create sysctl\n"); 3347 3348 if (sysctl_createv(log, 0, &rnode, &cnode, 3349 CTLFLAG_READONLY, CTLTYPE_INT, 3350 "num_rx_desc", SYSCTL_DESCR("Number of rx descriptors"), 3351 NULL, 0, &adapter->num_rx_desc, 0, CTL_CREATE, CTL_EOL) != 0) 3352 aprint_error_dev(dev, "could not create sysctl\n"); 3353 3354 if (sysctl_createv(log, 0, &rnode, &cnode, 3355 CTLFLAG_READONLY, CTLTYPE_INT, 3356 "num_queues", SYSCTL_DESCR("Number of queues"), 3357 NULL, 0, &adapter->num_queues, 0, CTL_CREATE, CTL_EOL) != 0) 3358 aprint_error_dev(dev, "could not create sysctl\n"); 3359 3360 /* Sysctls for all devices */ 3361 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3362 CTLTYPE_INT, "fc", SYSCTL_DESCR(IXGBE_SYSCTL_DESC_SET_FC), 3363 ixgbe_sysctl_flowcntl, 0, (void *)adapter, 0, CTL_CREATE, 3364 CTL_EOL) != 0) 3365 aprint_error_dev(dev, "could not create sysctl\n"); 3366 3367 adapter->enable_aim = ixgbe_enable_aim; 3368 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3369 CTLTYPE_BOOL, "enable_aim", SYSCTL_DESCR("Interrupt Moderation"), 3370 NULL, 0, &adapter->enable_aim, 0, CTL_CREATE, CTL_EOL) != 0) 3371 aprint_error_dev(dev, "could not create sysctl\n"); 3372 3373 if (sysctl_createv(log, 0, &rnode, &cnode, 3374 CTLFLAG_READWRITE, CTLTYPE_INT, 3375 "advertise_speed", SYSCTL_DESCR(IXGBE_SYSCTL_DESC_ADV_SPEED), 3376 ixgbe_sysctl_advertise, 0, (void *)adapter, 0, CTL_CREATE, 3377 CTL_EOL) != 0) 3378 aprint_error_dev(dev, "could not create sysctl\n"); 3379 3380 /* 3381 * If each "que->txrx_use_workqueue" is changed in sysctl handler, 3382 * it causesflip-flopping softint/workqueue mode in one deferred 3383 * processing. Therefore, preempt_disable()/preempt_enable() are 3384 * required in ixgbe_sched_handle_que() to avoid 3385 * KASSERT(ixgbe_sched_handle_que()) in softint_schedule(). 3386 * I think changing "que->txrx_use_workqueue" in interrupt handler 3387 * is lighter than doing preempt_disable()/preempt_enable() in every 3388 * ixgbe_sched_handle_que(). 3389 */ 3390 adapter->txrx_use_workqueue = ixgbe_txrx_workqueue; 3391 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3392 CTLTYPE_BOOL, "txrx_workqueue", SYSCTL_DESCR("Use workqueue for packet processing"), 3393 NULL, 0, &adapter->txrx_use_workqueue, 0, CTL_CREATE, CTL_EOL) != 0) 3394 aprint_error_dev(dev, "could not create sysctl\n"); 3395 3396 #ifdef IXGBE_DEBUG 3397 /* testing sysctls (for all devices) */ 3398 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3399 CTLTYPE_INT, "power_state", SYSCTL_DESCR("PCI Power State"), 3400 ixgbe_sysctl_power_state, 0, (void *)adapter, 0, CTL_CREATE, 3401 CTL_EOL) != 0) 3402 aprint_error_dev(dev, "could not create sysctl\n"); 3403 3404 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READONLY, 3405 CTLTYPE_STRING, "print_rss_config", 3406 SYSCTL_DESCR("Prints RSS Configuration"), 3407 ixgbe_sysctl_print_rss_config, 0, (void *)adapter, 0, CTL_CREATE, 3408 CTL_EOL) != 0) 3409 aprint_error_dev(dev, "could not create sysctl\n"); 3410 #endif 3411 /* for X550 series devices */ 3412 if (hw->mac.type >= ixgbe_mac_X550) 3413 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3414 CTLTYPE_INT, "dmac", SYSCTL_DESCR("DMA Coalesce"), 3415 ixgbe_sysctl_dmac, 0, (void *)adapter, 0, CTL_CREATE, 3416 CTL_EOL) != 0) 3417 aprint_error_dev(dev, "could not create sysctl\n"); 3418 3419 /* for WoL-capable devices */ 3420 if (adapter->wol_support) { 3421 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3422 CTLTYPE_BOOL, "wol_enable", 3423 SYSCTL_DESCR("Enable/Disable Wake on LAN"), 3424 ixgbe_sysctl_wol_enable, 0, (void *)adapter, 0, CTL_CREATE, 3425 CTL_EOL) != 0) 3426 aprint_error_dev(dev, "could not create sysctl\n"); 3427 3428 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3429 CTLTYPE_INT, "wufc", 3430 SYSCTL_DESCR("Enable/Disable Wake Up Filters"), 3431 ixgbe_sysctl_wufc, 0, (void *)adapter, 0, CTL_CREATE, 3432 CTL_EOL) != 0) 3433 aprint_error_dev(dev, "could not create sysctl\n"); 3434 } 3435 3436 /* for X552/X557-AT devices */ 3437 if (hw->device_id == IXGBE_DEV_ID_X550EM_X_10G_T) { 3438 const struct sysctlnode *phy_node; 3439 3440 if (sysctl_createv(log, 0, &rnode, &phy_node, 0, CTLTYPE_NODE, 3441 "phy", SYSCTL_DESCR("External PHY sysctls"), 3442 NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL) != 0) { 3443 aprint_error_dev(dev, "could not create sysctl\n"); 3444 return; 3445 } 3446 3447 if (sysctl_createv(log, 0, &phy_node, &cnode, CTLFLAG_READONLY, 3448 CTLTYPE_INT, "temp", 3449 SYSCTL_DESCR("Current External PHY Temperature (Celsius)"), 3450 ixgbe_sysctl_phy_temp, 0, (void *)adapter, 0, CTL_CREATE, 3451 CTL_EOL) != 0) 3452 aprint_error_dev(dev, "could not create sysctl\n"); 3453 3454 if (sysctl_createv(log, 0, &phy_node, &cnode, CTLFLAG_READONLY, 3455 CTLTYPE_INT, "overtemp_occurred", 3456 SYSCTL_DESCR("External PHY High Temperature Event Occurred"), 3457 ixgbe_sysctl_phy_overtemp_occurred, 0, (void *)adapter, 0, 3458 CTL_CREATE, CTL_EOL) != 0) 3459 aprint_error_dev(dev, "could not create sysctl\n"); 3460 } 3461 3462 if ((hw->mac.type == ixgbe_mac_X550EM_a) 3463 && (hw->phy.type == ixgbe_phy_fw)) 3464 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3465 CTLTYPE_BOOL, "force_10_100_autonego", 3466 SYSCTL_DESCR("Force autonego on 10M and 100M"), 3467 NULL, 0, &hw->phy.force_10_100_autonego, 0, 3468 CTL_CREATE, CTL_EOL) != 0) 3469 aprint_error_dev(dev, "could not create sysctl\n"); 3470 3471 if (adapter->feat_cap & IXGBE_FEATURE_EEE) { 3472 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3473 CTLTYPE_INT, "eee_state", 3474 SYSCTL_DESCR("EEE Power Save State"), 3475 ixgbe_sysctl_eee_state, 0, (void *)adapter, 0, CTL_CREATE, 3476 CTL_EOL) != 0) 3477 aprint_error_dev(dev, "could not create sysctl\n"); 3478 } 3479 } /* ixgbe_add_device_sysctls */ 3480 3481 /************************************************************************ 3482 * ixgbe_allocate_pci_resources 3483 ************************************************************************/ 3484 static int 3485 ixgbe_allocate_pci_resources(struct adapter *adapter, 3486 const struct pci_attach_args *pa) 3487 { 3488 pcireg_t memtype, csr; 3489 device_t dev = adapter->dev; 3490 bus_addr_t addr; 3491 int flags; 3492 3493 memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, PCI_BAR(0)); 3494 switch (memtype) { 3495 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT: 3496 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT: 3497 adapter->osdep.mem_bus_space_tag = pa->pa_memt; 3498 if (pci_mapreg_info(pa->pa_pc, pa->pa_tag, PCI_BAR(0), 3499 memtype, &addr, &adapter->osdep.mem_size, &flags) != 0) 3500 goto map_err; 3501 if ((flags & BUS_SPACE_MAP_PREFETCHABLE) != 0) { 3502 aprint_normal_dev(dev, "clearing prefetchable bit\n"); 3503 flags &= ~BUS_SPACE_MAP_PREFETCHABLE; 3504 } 3505 if (bus_space_map(adapter->osdep.mem_bus_space_tag, addr, 3506 adapter->osdep.mem_size, flags, 3507 &adapter->osdep.mem_bus_space_handle) != 0) { 3508 map_err: 3509 adapter->osdep.mem_size = 0; 3510 aprint_error_dev(dev, "unable to map BAR0\n"); 3511 return ENXIO; 3512 } 3513 /* 3514 * Enable address decoding for memory range in case BIOS or 3515 * UEFI don't set it. 3516 */ 3517 csr = pci_conf_read(pa->pa_pc, pa->pa_tag, 3518 PCI_COMMAND_STATUS_REG); 3519 csr |= PCI_COMMAND_MEM_ENABLE; 3520 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 3521 csr); 3522 break; 3523 default: 3524 aprint_error_dev(dev, "unexpected type on BAR0\n"); 3525 return ENXIO; 3526 } 3527 3528 return (0); 3529 } /* ixgbe_allocate_pci_resources */ 3530 3531 static void 3532 ixgbe_free_deferred_handlers(struct adapter *adapter) 3533 { 3534 struct ix_queue *que = adapter->queues; 3535 struct tx_ring *txr = adapter->tx_rings; 3536 int i; 3537 3538 for (i = 0; i < adapter->num_queues; i++, que++, txr++) { 3539 if (!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX)) { 3540 if (txr->txr_si != NULL) 3541 softint_disestablish(txr->txr_si); 3542 } 3543 if (que->que_si != NULL) 3544 softint_disestablish(que->que_si); 3545 } 3546 if (adapter->txr_wq != NULL) 3547 workqueue_destroy(adapter->txr_wq); 3548 if (adapter->txr_wq_enqueued != NULL) 3549 percpu_free(adapter->txr_wq_enqueued, sizeof(u_int)); 3550 if (adapter->que_wq != NULL) 3551 workqueue_destroy(adapter->que_wq); 3552 3553 if (adapter->admin_wq != NULL) { 3554 workqueue_destroy(adapter->admin_wq); 3555 adapter->admin_wq = NULL; 3556 } 3557 if (adapter->timer_wq != NULL) { 3558 workqueue_destroy(adapter->timer_wq); 3559 adapter->timer_wq = NULL; 3560 } 3561 if (adapter->recovery_mode_timer_wq != NULL) { 3562 /* 3563 * ixgbe_ifstop() doesn't call the workqueue_wait() for 3564 * the recovery_mode_timer workqueue, so call it here. 3565 */ 3566 workqueue_wait(adapter->recovery_mode_timer_wq, 3567 &adapter->recovery_mode_timer_wc); 3568 atomic_store_relaxed(&adapter->recovery_mode_timer_pending, 0); 3569 workqueue_destroy(adapter->recovery_mode_timer_wq); 3570 adapter->recovery_mode_timer_wq = NULL; 3571 } 3572 } /* ixgbe_free_deferred_handlers */ 3573 3574 /************************************************************************ 3575 * ixgbe_detach - Device removal routine 3576 * 3577 * Called when the driver is being removed. 3578 * Stops the adapter and deallocates all the resources 3579 * that were allocated for driver operation. 3580 * 3581 * return 0 on success, positive on failure 3582 ************************************************************************/ 3583 static int 3584 ixgbe_detach(device_t dev, int flags) 3585 { 3586 struct adapter *adapter = device_private(dev); 3587 struct rx_ring *rxr = adapter->rx_rings; 3588 struct tx_ring *txr = adapter->tx_rings; 3589 struct ixgbe_hw *hw = &adapter->hw; 3590 struct ixgbe_hw_stats *stats = &adapter->stats.pf; 3591 u32 ctrl_ext; 3592 int i; 3593 3594 INIT_DEBUGOUT("ixgbe_detach: begin"); 3595 if (adapter->osdep.attached == false) 3596 return 0; 3597 3598 if (ixgbe_pci_iov_detach(dev) != 0) { 3599 device_printf(dev, "SR-IOV in use; detach first.\n"); 3600 return (EBUSY); 3601 } 3602 3603 #if NVLAN > 0 3604 /* Make sure VLANs are not using driver */ 3605 if (!VLAN_ATTACHED(&adapter->osdep.ec)) 3606 ; /* nothing to do: no VLANs */ 3607 else if ((flags & (DETACH_SHUTDOWN | DETACH_FORCE)) != 0) 3608 vlan_ifdetach(adapter->ifp); 3609 else { 3610 aprint_error_dev(dev, "VLANs in use, detach first\n"); 3611 return (EBUSY); 3612 } 3613 #endif 3614 3615 adapter->osdep.detaching = true; 3616 /* 3617 * Stop the interface. ixgbe_setup_low_power_mode() calls 3618 * ixgbe_ifstop(), so it's not required to call ixgbe_ifstop() 3619 * directly. 3620 */ 3621 ixgbe_setup_low_power_mode(adapter); 3622 3623 callout_halt(&adapter->timer, NULL); 3624 if (adapter->feat_en & IXGBE_FEATURE_RECOVERY_MODE) 3625 callout_halt(&adapter->recovery_mode_timer, NULL); 3626 3627 workqueue_wait(adapter->admin_wq, &adapter->admin_wc); 3628 atomic_store_relaxed(&adapter->admin_pending, 0); 3629 workqueue_wait(adapter->timer_wq, &adapter->timer_wc); 3630 atomic_store_relaxed(&adapter->timer_pending, 0); 3631 3632 pmf_device_deregister(dev); 3633 3634 ether_ifdetach(adapter->ifp); 3635 3636 ixgbe_free_deferred_handlers(adapter); 3637 3638 /* let hardware know driver is unloading */ 3639 ctrl_ext = IXGBE_READ_REG(&adapter->hw, IXGBE_CTRL_EXT); 3640 ctrl_ext &= ~IXGBE_CTRL_EXT_DRV_LOAD; 3641 IXGBE_WRITE_REG(&adapter->hw, IXGBE_CTRL_EXT, ctrl_ext); 3642 3643 if (adapter->feat_en & IXGBE_FEATURE_NETMAP) 3644 netmap_detach(adapter->ifp); 3645 3646 ixgbe_free_pci_resources(adapter); 3647 #if 0 /* XXX the NetBSD port is probably missing something here */ 3648 bus_generic_detach(dev); 3649 #endif 3650 if_detach(adapter->ifp); 3651 ifmedia_fini(&adapter->media); 3652 if_percpuq_destroy(adapter->ipq); 3653 3654 sysctl_teardown(&adapter->sysctllog); 3655 evcnt_detach(&adapter->efbig_tx_dma_setup); 3656 evcnt_detach(&adapter->mbuf_defrag_failed); 3657 evcnt_detach(&adapter->efbig2_tx_dma_setup); 3658 evcnt_detach(&adapter->einval_tx_dma_setup); 3659 evcnt_detach(&adapter->other_tx_dma_setup); 3660 evcnt_detach(&adapter->eagain_tx_dma_setup); 3661 evcnt_detach(&adapter->enomem_tx_dma_setup); 3662 evcnt_detach(&adapter->watchdog_events); 3663 evcnt_detach(&adapter->tso_err); 3664 evcnt_detach(&adapter->admin_irqev); 3665 evcnt_detach(&adapter->link_workev); 3666 evcnt_detach(&adapter->mod_workev); 3667 evcnt_detach(&adapter->msf_workev); 3668 evcnt_detach(&adapter->phy_workev); 3669 3670 for (i = 0; i < IXGBE_TC_COUNTER_NUM; i++) { 3671 if (i < __arraycount(stats->mpc)) { 3672 evcnt_detach(&stats->mpc[i]); 3673 if (hw->mac.type == ixgbe_mac_82598EB) 3674 evcnt_detach(&stats->rnbc[i]); 3675 } 3676 if (i < __arraycount(stats->pxontxc)) { 3677 evcnt_detach(&stats->pxontxc[i]); 3678 evcnt_detach(&stats->pxonrxc[i]); 3679 evcnt_detach(&stats->pxofftxc[i]); 3680 evcnt_detach(&stats->pxoffrxc[i]); 3681 if (hw->mac.type >= ixgbe_mac_82599EB) 3682 evcnt_detach(&stats->pxon2offc[i]); 3683 } 3684 } 3685 3686 txr = adapter->tx_rings; 3687 for (i = 0; i < adapter->num_queues; i++, rxr++, txr++) { 3688 evcnt_detach(&adapter->queues[i].irqs); 3689 evcnt_detach(&adapter->queues[i].handleq); 3690 evcnt_detach(&adapter->queues[i].req); 3691 evcnt_detach(&txr->no_desc_avail); 3692 evcnt_detach(&txr->total_packets); 3693 evcnt_detach(&txr->tso_tx); 3694 #ifndef IXGBE_LEGACY_TX 3695 evcnt_detach(&txr->pcq_drops); 3696 #endif 3697 3698 if (i < __arraycount(stats->qprc)) { 3699 evcnt_detach(&stats->qprc[i]); 3700 evcnt_detach(&stats->qptc[i]); 3701 evcnt_detach(&stats->qbrc[i]); 3702 evcnt_detach(&stats->qbtc[i]); 3703 if (hw->mac.type >= ixgbe_mac_82599EB) 3704 evcnt_detach(&stats->qprdc[i]); 3705 } 3706 3707 evcnt_detach(&rxr->rx_packets); 3708 evcnt_detach(&rxr->rx_bytes); 3709 evcnt_detach(&rxr->rx_copies); 3710 evcnt_detach(&rxr->no_jmbuf); 3711 evcnt_detach(&rxr->rx_discarded); 3712 } 3713 evcnt_detach(&stats->ipcs); 3714 evcnt_detach(&stats->l4cs); 3715 evcnt_detach(&stats->ipcs_bad); 3716 evcnt_detach(&stats->l4cs_bad); 3717 evcnt_detach(&stats->intzero); 3718 evcnt_detach(&stats->legint); 3719 evcnt_detach(&stats->crcerrs); 3720 evcnt_detach(&stats->illerrc); 3721 evcnt_detach(&stats->errbc); 3722 evcnt_detach(&stats->mspdc); 3723 if (hw->mac.type >= ixgbe_mac_X550) 3724 evcnt_detach(&stats->mbsdc); 3725 evcnt_detach(&stats->mpctotal); 3726 evcnt_detach(&stats->mlfc); 3727 evcnt_detach(&stats->mrfc); 3728 evcnt_detach(&stats->rlec); 3729 evcnt_detach(&stats->lxontxc); 3730 evcnt_detach(&stats->lxonrxc); 3731 evcnt_detach(&stats->lxofftxc); 3732 evcnt_detach(&stats->lxoffrxc); 3733 3734 /* Packet Reception Stats */ 3735 evcnt_detach(&stats->tor); 3736 evcnt_detach(&stats->gorc); 3737 evcnt_detach(&stats->tpr); 3738 evcnt_detach(&stats->gprc); 3739 evcnt_detach(&stats->mprc); 3740 evcnt_detach(&stats->bprc); 3741 evcnt_detach(&stats->prc64); 3742 evcnt_detach(&stats->prc127); 3743 evcnt_detach(&stats->prc255); 3744 evcnt_detach(&stats->prc511); 3745 evcnt_detach(&stats->prc1023); 3746 evcnt_detach(&stats->prc1522); 3747 evcnt_detach(&stats->ruc); 3748 evcnt_detach(&stats->rfc); 3749 evcnt_detach(&stats->roc); 3750 evcnt_detach(&stats->rjc); 3751 evcnt_detach(&stats->mngprc); 3752 evcnt_detach(&stats->mngpdc); 3753 evcnt_detach(&stats->xec); 3754 3755 /* Packet Transmission Stats */ 3756 evcnt_detach(&stats->gotc); 3757 evcnt_detach(&stats->tpt); 3758 evcnt_detach(&stats->gptc); 3759 evcnt_detach(&stats->bptc); 3760 evcnt_detach(&stats->mptc); 3761 evcnt_detach(&stats->mngptc); 3762 evcnt_detach(&stats->ptc64); 3763 evcnt_detach(&stats->ptc127); 3764 evcnt_detach(&stats->ptc255); 3765 evcnt_detach(&stats->ptc511); 3766 evcnt_detach(&stats->ptc1023); 3767 evcnt_detach(&stats->ptc1522); 3768 3769 ixgbe_free_queues(adapter); 3770 free(adapter->mta, M_DEVBUF); 3771 3772 mutex_destroy(&adapter->admin_mtx); /* XXX appropriate order? */ 3773 IXGBE_CORE_LOCK_DESTROY(adapter); 3774 3775 return (0); 3776 } /* ixgbe_detach */ 3777 3778 /************************************************************************ 3779 * ixgbe_setup_low_power_mode - LPLU/WoL preparation 3780 * 3781 * Prepare the adapter/port for LPLU and/or WoL 3782 ************************************************************************/ 3783 static int 3784 ixgbe_setup_low_power_mode(struct adapter *adapter) 3785 { 3786 struct ixgbe_hw *hw = &adapter->hw; 3787 device_t dev = adapter->dev; 3788 struct ifnet *ifp = adapter->ifp; 3789 s32 error = 0; 3790 3791 /* Limit power management flow to X550EM baseT */ 3792 if (hw->device_id == IXGBE_DEV_ID_X550EM_X_10G_T && 3793 hw->phy.ops.enter_lplu) { 3794 /* X550EM baseT adapters need a special LPLU flow */ 3795 hw->phy.reset_disable = true; 3796 ixgbe_ifstop(ifp, 1); 3797 error = hw->phy.ops.enter_lplu(hw); 3798 if (error) 3799 device_printf(dev, 3800 "Error entering LPLU: %d\n", error); 3801 hw->phy.reset_disable = false; 3802 } else { 3803 /* Just stop for other adapters */ 3804 ixgbe_ifstop(ifp, 1); 3805 } 3806 3807 IXGBE_CORE_LOCK(adapter); 3808 3809 if (!hw->wol_enabled) { 3810 ixgbe_set_phy_power(hw, FALSE); 3811 IXGBE_WRITE_REG(hw, IXGBE_WUFC, 0); 3812 IXGBE_WRITE_REG(hw, IXGBE_WUC, 0); 3813 } else { 3814 /* Turn off support for APM wakeup. (Using ACPI instead) */ 3815 IXGBE_WRITE_REG(hw, IXGBE_GRC_BY_MAC(hw), 3816 IXGBE_READ_REG(hw, IXGBE_GRC_BY_MAC(hw)) & ~(u32)2); 3817 3818 /* 3819 * Clear Wake Up Status register to prevent any previous wakeup 3820 * events from waking us up immediately after we suspend. 3821 */ 3822 IXGBE_WRITE_REG(hw, IXGBE_WUS, 0xffffffff); 3823 3824 /* 3825 * Program the Wakeup Filter Control register with user filter 3826 * settings 3827 */ 3828 IXGBE_WRITE_REG(hw, IXGBE_WUFC, adapter->wufc); 3829 3830 /* Enable wakeups and power management in Wakeup Control */ 3831 IXGBE_WRITE_REG(hw, IXGBE_WUC, 3832 IXGBE_WUC_WKEN | IXGBE_WUC_PME_EN); 3833 3834 } 3835 3836 IXGBE_CORE_UNLOCK(adapter); 3837 3838 return error; 3839 } /* ixgbe_setup_low_power_mode */ 3840 3841 /************************************************************************ 3842 * ixgbe_shutdown - Shutdown entry point 3843 ************************************************************************/ 3844 #if 0 /* XXX NetBSD ought to register something like this through pmf(9) */ 3845 static int 3846 ixgbe_shutdown(device_t dev) 3847 { 3848 struct adapter *adapter = device_private(dev); 3849 int error = 0; 3850 3851 INIT_DEBUGOUT("ixgbe_shutdown: begin"); 3852 3853 error = ixgbe_setup_low_power_mode(adapter); 3854 3855 return (error); 3856 } /* ixgbe_shutdown */ 3857 #endif 3858 3859 /************************************************************************ 3860 * ixgbe_suspend 3861 * 3862 * From D0 to D3 3863 ************************************************************************/ 3864 static bool 3865 ixgbe_suspend(device_t dev, const pmf_qual_t *qual) 3866 { 3867 struct adapter *adapter = device_private(dev); 3868 int error = 0; 3869 3870 INIT_DEBUGOUT("ixgbe_suspend: begin"); 3871 3872 error = ixgbe_setup_low_power_mode(adapter); 3873 3874 return (error); 3875 } /* ixgbe_suspend */ 3876 3877 /************************************************************************ 3878 * ixgbe_resume 3879 * 3880 * From D3 to D0 3881 ************************************************************************/ 3882 static bool 3883 ixgbe_resume(device_t dev, const pmf_qual_t *qual) 3884 { 3885 struct adapter *adapter = device_private(dev); 3886 struct ifnet *ifp = adapter->ifp; 3887 struct ixgbe_hw *hw = &adapter->hw; 3888 u32 wus; 3889 3890 INIT_DEBUGOUT("ixgbe_resume: begin"); 3891 3892 IXGBE_CORE_LOCK(adapter); 3893 3894 /* Read & clear WUS register */ 3895 wus = IXGBE_READ_REG(hw, IXGBE_WUS); 3896 if (wus) 3897 device_printf(dev, "Woken up by (WUS): %#010x\n", 3898 IXGBE_READ_REG(hw, IXGBE_WUS)); 3899 IXGBE_WRITE_REG(hw, IXGBE_WUS, 0xffffffff); 3900 /* And clear WUFC until next low-power transition */ 3901 IXGBE_WRITE_REG(hw, IXGBE_WUFC, 0); 3902 3903 /* 3904 * Required after D3->D0 transition; 3905 * will re-advertise all previous advertised speeds 3906 */ 3907 if (ifp->if_flags & IFF_UP) 3908 ixgbe_init_locked(adapter); 3909 3910 IXGBE_CORE_UNLOCK(adapter); 3911 3912 return true; 3913 } /* ixgbe_resume */ 3914 3915 /* 3916 * Set the various hardware offload abilities. 3917 * 3918 * This takes the ifnet's if_capenable flags (e.g. set by the user using 3919 * ifconfig) and indicates to the OS via the ifnet's if_hwassist field what 3920 * mbuf offload flags the driver will understand. 3921 */ 3922 static void 3923 ixgbe_set_if_hwassist(struct adapter *adapter) 3924 { 3925 /* XXX */ 3926 } 3927 3928 /************************************************************************ 3929 * ixgbe_init_locked - Init entry point 3930 * 3931 * Used in two ways: It is used by the stack as an init 3932 * entry point in network interface structure. It is also 3933 * used by the driver as a hw/sw initialization routine to 3934 * get to a consistent state. 3935 * 3936 * return 0 on success, positive on failure 3937 ************************************************************************/ 3938 static void 3939 ixgbe_init_locked(struct adapter *adapter) 3940 { 3941 struct ifnet *ifp = adapter->ifp; 3942 device_t dev = adapter->dev; 3943 struct ixgbe_hw *hw = &adapter->hw; 3944 struct ix_queue *que; 3945 struct tx_ring *txr; 3946 struct rx_ring *rxr; 3947 u32 txdctl, mhadd; 3948 u32 rxdctl, rxctrl; 3949 u32 ctrl_ext; 3950 bool unsupported_sfp = false; 3951 int i, j, err; 3952 3953 /* XXX check IFF_UP and IFF_RUNNING, power-saving state! */ 3954 3955 KASSERT(mutex_owned(&adapter->core_mtx)); 3956 INIT_DEBUGOUT("ixgbe_init_locked: begin"); 3957 3958 hw->need_unsupported_sfp_recovery = false; 3959 hw->adapter_stopped = FALSE; 3960 ixgbe_stop_adapter(hw); 3961 callout_stop(&adapter->timer); 3962 if (adapter->feat_en & IXGBE_FEATURE_RECOVERY_MODE) 3963 callout_stop(&adapter->recovery_mode_timer); 3964 for (i = 0, que = adapter->queues; i < adapter->num_queues; i++, que++) 3965 que->disabled_count = 0; 3966 3967 /* XXX I moved this here from the SIOCSIFMTU case in ixgbe_ioctl(). */ 3968 adapter->max_frame_size = 3969 ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN; 3970 3971 /* Queue indices may change with IOV mode */ 3972 ixgbe_align_all_queue_indices(adapter); 3973 3974 /* reprogram the RAR[0] in case user changed it. */ 3975 ixgbe_set_rar(hw, 0, hw->mac.addr, adapter->pool, IXGBE_RAH_AV); 3976 3977 /* Get the latest mac address, User can use a LAA */ 3978 memcpy(hw->mac.addr, CLLADDR(ifp->if_sadl), 3979 IXGBE_ETH_LENGTH_OF_ADDRESS); 3980 ixgbe_set_rar(hw, 0, hw->mac.addr, adapter->pool, 1); 3981 hw->addr_ctrl.rar_used_count = 1; 3982 3983 /* Set hardware offload abilities from ifnet flags */ 3984 ixgbe_set_if_hwassist(adapter); 3985 3986 /* Prepare transmit descriptors and buffers */ 3987 if (ixgbe_setup_transmit_structures(adapter)) { 3988 device_printf(dev, "Could not setup transmit structures\n"); 3989 ixgbe_stop_locked(adapter); 3990 return; 3991 } 3992 3993 ixgbe_init_hw(hw); 3994 3995 ixgbe_initialize_iov(adapter); 3996 3997 ixgbe_initialize_transmit_units(adapter); 3998 3999 /* Setup Multicast table */ 4000 ixgbe_set_rxfilter(adapter); 4001 4002 /* Determine the correct mbuf pool, based on frame size */ 4003 if (adapter->max_frame_size <= MCLBYTES) 4004 adapter->rx_mbuf_sz = MCLBYTES; 4005 else 4006 adapter->rx_mbuf_sz = MJUMPAGESIZE; 4007 4008 /* Prepare receive descriptors and buffers */ 4009 if (ixgbe_setup_receive_structures(adapter)) { 4010 device_printf(dev, "Could not setup receive structures\n"); 4011 ixgbe_stop_locked(adapter); 4012 return; 4013 } 4014 4015 /* Configure RX settings */ 4016 ixgbe_initialize_receive_units(adapter); 4017 4018 /* Initialize variable holding task enqueue requests interrupts */ 4019 adapter->task_requests = 0; 4020 4021 /* Enable SDP & MSI-X interrupts based on adapter */ 4022 ixgbe_config_gpie(adapter); 4023 4024 /* Set MTU size */ 4025 if (ifp->if_mtu > ETHERMTU) { 4026 /* aka IXGBE_MAXFRS on 82599 and newer */ 4027 mhadd = IXGBE_READ_REG(hw, IXGBE_MHADD); 4028 mhadd &= ~IXGBE_MHADD_MFS_MASK; 4029 mhadd |= adapter->max_frame_size << IXGBE_MHADD_MFS_SHIFT; 4030 IXGBE_WRITE_REG(hw, IXGBE_MHADD, mhadd); 4031 } 4032 4033 /* Now enable all the queues */ 4034 for (i = 0; i < adapter->num_queues; i++) { 4035 txr = &adapter->tx_rings[i]; 4036 txdctl = IXGBE_READ_REG(hw, IXGBE_TXDCTL(txr->me)); 4037 txdctl |= IXGBE_TXDCTL_ENABLE; 4038 /* Set WTHRESH to 8, burst writeback */ 4039 txdctl |= (8 << 16); 4040 /* 4041 * When the internal queue falls below PTHRESH (32), 4042 * start prefetching as long as there are at least 4043 * HTHRESH (1) buffers ready. The values are taken 4044 * from the Intel linux driver 3.8.21. 4045 * Prefetching enables tx line rate even with 1 queue. 4046 */ 4047 txdctl |= (32 << 0) | (1 << 8); 4048 IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(txr->me), txdctl); 4049 } 4050 4051 for (i = 0; i < adapter->num_queues; i++) { 4052 rxr = &adapter->rx_rings[i]; 4053 rxdctl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(rxr->me)); 4054 if (hw->mac.type == ixgbe_mac_82598EB) { 4055 /* 4056 * PTHRESH = 21 4057 * HTHRESH = 4 4058 * WTHRESH = 8 4059 */ 4060 rxdctl &= ~0x3FFFFF; 4061 rxdctl |= 0x080420; 4062 } 4063 rxdctl |= IXGBE_RXDCTL_ENABLE; 4064 IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(rxr->me), rxdctl); 4065 for (j = 0; j < 10; j++) { 4066 if (IXGBE_READ_REG(hw, IXGBE_RXDCTL(rxr->me)) & 4067 IXGBE_RXDCTL_ENABLE) 4068 break; 4069 else 4070 msec_delay(1); 4071 } 4072 IXGBE_WRITE_BARRIER(hw); 4073 4074 /* 4075 * In netmap mode, we must preserve the buffers made 4076 * available to userspace before the if_init() 4077 * (this is true by default on the TX side, because 4078 * init makes all buffers available to userspace). 4079 * 4080 * netmap_reset() and the device specific routines 4081 * (e.g. ixgbe_setup_receive_rings()) map these 4082 * buffers at the end of the NIC ring, so here we 4083 * must set the RDT (tail) register to make sure 4084 * they are not overwritten. 4085 * 4086 * In this driver the NIC ring starts at RDH = 0, 4087 * RDT points to the last slot available for reception (?), 4088 * so RDT = num_rx_desc - 1 means the whole ring is available. 4089 */ 4090 #ifdef DEV_NETMAP 4091 if ((adapter->feat_en & IXGBE_FEATURE_NETMAP) && 4092 (ifp->if_capenable & IFCAP_NETMAP)) { 4093 struct netmap_adapter *na = NA(adapter->ifp); 4094 struct netmap_kring *kring = na->rx_rings[i]; 4095 int t = na->num_rx_desc - 1 - nm_kr_rxspace(kring); 4096 4097 IXGBE_WRITE_REG(hw, IXGBE_RDT(rxr->me), t); 4098 } else 4099 #endif /* DEV_NETMAP */ 4100 IXGBE_WRITE_REG(hw, IXGBE_RDT(rxr->me), 4101 adapter->num_rx_desc - 1); 4102 } 4103 4104 /* Enable Receive engine */ 4105 rxctrl = IXGBE_READ_REG(hw, IXGBE_RXCTRL); 4106 if (hw->mac.type == ixgbe_mac_82598EB) 4107 rxctrl |= IXGBE_RXCTRL_DMBYPS; 4108 rxctrl |= IXGBE_RXCTRL_RXEN; 4109 ixgbe_enable_rx_dma(hw, rxctrl); 4110 4111 callout_reset(&adapter->timer, hz, ixgbe_local_timer, adapter); 4112 atomic_store_relaxed(&adapter->timer_pending, 0); 4113 if (adapter->feat_en & IXGBE_FEATURE_RECOVERY_MODE) 4114 callout_reset(&adapter->recovery_mode_timer, hz, 4115 ixgbe_recovery_mode_timer, adapter); 4116 4117 /* Set up MSI/MSI-X routing */ 4118 if (adapter->feat_en & IXGBE_FEATURE_MSIX) { 4119 ixgbe_configure_ivars(adapter); 4120 /* Set up auto-mask */ 4121 if (hw->mac.type == ixgbe_mac_82598EB) 4122 IXGBE_WRITE_REG(hw, IXGBE_EIAM, IXGBE_EICS_RTX_QUEUE); 4123 else { 4124 IXGBE_WRITE_REG(hw, IXGBE_EIAM_EX(0), 0xFFFFFFFF); 4125 IXGBE_WRITE_REG(hw, IXGBE_EIAM_EX(1), 0xFFFFFFFF); 4126 } 4127 } else { /* Simple settings for Legacy/MSI */ 4128 ixgbe_set_ivar(adapter, 0, 0, 0); 4129 ixgbe_set_ivar(adapter, 0, 0, 1); 4130 IXGBE_WRITE_REG(hw, IXGBE_EIAM, IXGBE_EICS_RTX_QUEUE); 4131 } 4132 4133 ixgbe_init_fdir(adapter); 4134 4135 /* 4136 * Check on any SFP devices that 4137 * need to be kick-started 4138 */ 4139 if (hw->phy.type == ixgbe_phy_none) { 4140 err = hw->phy.ops.identify(hw); 4141 if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) 4142 unsupported_sfp = true; 4143 } else if (hw->phy.type == ixgbe_phy_sfp_unsupported) 4144 unsupported_sfp = true; 4145 4146 if (unsupported_sfp) 4147 device_printf(dev, 4148 "Unsupported SFP+ module type was detected.\n"); 4149 4150 /* Set moderation on the Link interrupt */ 4151 ixgbe_eitr_write(adapter, adapter->vector, IXGBE_LINK_ITR); 4152 4153 /* Enable EEE power saving */ 4154 if (adapter->feat_cap & IXGBE_FEATURE_EEE) 4155 hw->mac.ops.setup_eee(hw, 4156 adapter->feat_en & IXGBE_FEATURE_EEE); 4157 4158 /* Enable power to the phy. */ 4159 if (!unsupported_sfp) { 4160 ixgbe_set_phy_power(hw, TRUE); 4161 4162 /* Config/Enable Link */ 4163 ixgbe_config_link(adapter); 4164 } 4165 4166 /* Hardware Packet Buffer & Flow Control setup */ 4167 ixgbe_config_delay_values(adapter); 4168 4169 /* Initialize the FC settings */ 4170 ixgbe_start_hw(hw); 4171 4172 /* Set up VLAN support and filter */ 4173 ixgbe_setup_vlan_hw_support(adapter); 4174 4175 /* Setup DMA Coalescing */ 4176 ixgbe_config_dmac(adapter); 4177 4178 /* OK to schedule workqueues. */ 4179 adapter->schedule_wqs_ok = true; 4180 4181 /* And now turn on interrupts */ 4182 ixgbe_enable_intr(adapter); 4183 4184 /* Enable the use of the MBX by the VF's */ 4185 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) { 4186 ctrl_ext = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT); 4187 ctrl_ext |= IXGBE_CTRL_EXT_PFRSTD; 4188 IXGBE_WRITE_REG(hw, IXGBE_CTRL_EXT, ctrl_ext); 4189 } 4190 4191 /* Update saved flags. See ixgbe_ifflags_cb() */ 4192 adapter->if_flags = ifp->if_flags; 4193 adapter->ec_capenable = adapter->osdep.ec.ec_capenable; 4194 4195 /* Now inform the stack we're ready */ 4196 ifp->if_flags |= IFF_RUNNING; 4197 4198 return; 4199 } /* ixgbe_init_locked */ 4200 4201 /************************************************************************ 4202 * ixgbe_init 4203 ************************************************************************/ 4204 static int 4205 ixgbe_init(struct ifnet *ifp) 4206 { 4207 struct adapter *adapter = ifp->if_softc; 4208 4209 IXGBE_CORE_LOCK(adapter); 4210 ixgbe_init_locked(adapter); 4211 IXGBE_CORE_UNLOCK(adapter); 4212 4213 return 0; /* XXX ixgbe_init_locked cannot fail? really? */ 4214 } /* ixgbe_init */ 4215 4216 /************************************************************************ 4217 * ixgbe_set_ivar 4218 * 4219 * Setup the correct IVAR register for a particular MSI-X interrupt 4220 * (yes this is all very magic and confusing :) 4221 * - entry is the register array entry 4222 * - vector is the MSI-X vector for this queue 4223 * - type is RX/TX/MISC 4224 ************************************************************************/ 4225 static void 4226 ixgbe_set_ivar(struct adapter *adapter, u8 entry, u8 vector, s8 type) 4227 { 4228 struct ixgbe_hw *hw = &adapter->hw; 4229 u32 ivar, index; 4230 4231 vector |= IXGBE_IVAR_ALLOC_VAL; 4232 4233 switch (hw->mac.type) { 4234 case ixgbe_mac_82598EB: 4235 if (type == -1) 4236 entry = IXGBE_IVAR_OTHER_CAUSES_INDEX; 4237 else 4238 entry += (type * 64); 4239 index = (entry >> 2) & 0x1F; 4240 ivar = IXGBE_READ_REG(hw, IXGBE_IVAR(index)); 4241 ivar &= ~(0xffUL << (8 * (entry & 0x3))); 4242 ivar |= ((u32)vector << (8 * (entry & 0x3))); 4243 IXGBE_WRITE_REG(&adapter->hw, IXGBE_IVAR(index), ivar); 4244 break; 4245 case ixgbe_mac_82599EB: 4246 case ixgbe_mac_X540: 4247 case ixgbe_mac_X550: 4248 case ixgbe_mac_X550EM_x: 4249 case ixgbe_mac_X550EM_a: 4250 if (type == -1) { /* MISC IVAR */ 4251 index = (entry & 1) * 8; 4252 ivar = IXGBE_READ_REG(hw, IXGBE_IVAR_MISC); 4253 ivar &= ~(0xffUL << index); 4254 ivar |= ((u32)vector << index); 4255 IXGBE_WRITE_REG(hw, IXGBE_IVAR_MISC, ivar); 4256 } else { /* RX/TX IVARS */ 4257 index = (16 * (entry & 1)) + (8 * type); 4258 ivar = IXGBE_READ_REG(hw, IXGBE_IVAR(entry >> 1)); 4259 ivar &= ~(0xffUL << index); 4260 ivar |= ((u32)vector << index); 4261 IXGBE_WRITE_REG(hw, IXGBE_IVAR(entry >> 1), ivar); 4262 } 4263 break; 4264 default: 4265 break; 4266 } 4267 } /* ixgbe_set_ivar */ 4268 4269 /************************************************************************ 4270 * ixgbe_configure_ivars 4271 ************************************************************************/ 4272 static void 4273 ixgbe_configure_ivars(struct adapter *adapter) 4274 { 4275 struct ix_queue *que = adapter->queues; 4276 u32 newitr; 4277 4278 if (ixgbe_max_interrupt_rate > 0) 4279 newitr = (4000000 / ixgbe_max_interrupt_rate) & 0x0FF8; 4280 else { 4281 /* 4282 * Disable DMA coalescing if interrupt moderation is 4283 * disabled. 4284 */ 4285 adapter->dmac = 0; 4286 newitr = 0; 4287 } 4288 4289 for (int i = 0; i < adapter->num_queues; i++, que++) { 4290 struct rx_ring *rxr = &adapter->rx_rings[i]; 4291 struct tx_ring *txr = &adapter->tx_rings[i]; 4292 /* First the RX queue entry */ 4293 ixgbe_set_ivar(adapter, rxr->me, que->msix, 0); 4294 /* ... and the TX */ 4295 ixgbe_set_ivar(adapter, txr->me, que->msix, 1); 4296 /* Set an Initial EITR value */ 4297 ixgbe_eitr_write(adapter, que->msix, newitr); 4298 /* 4299 * To eliminate influence of the previous state. 4300 * At this point, Tx/Rx interrupt handler 4301 * (ixgbe_msix_que()) cannot be called, so both 4302 * IXGBE_TX_LOCK and IXGBE_RX_LOCK are not required. 4303 */ 4304 que->eitr_setting = 0; 4305 } 4306 4307 /* For the Link interrupt */ 4308 ixgbe_set_ivar(adapter, 1, adapter->vector, -1); 4309 } /* ixgbe_configure_ivars */ 4310 4311 /************************************************************************ 4312 * ixgbe_config_gpie 4313 ************************************************************************/ 4314 static void 4315 ixgbe_config_gpie(struct adapter *adapter) 4316 { 4317 struct ixgbe_hw *hw = &adapter->hw; 4318 u32 gpie; 4319 4320 gpie = IXGBE_READ_REG(hw, IXGBE_GPIE); 4321 4322 if (adapter->feat_en & IXGBE_FEATURE_MSIX) { 4323 /* Enable Enhanced MSI-X mode */ 4324 gpie |= IXGBE_GPIE_MSIX_MODE 4325 | IXGBE_GPIE_EIAME 4326 | IXGBE_GPIE_PBA_SUPPORT 4327 | IXGBE_GPIE_OCD; 4328 } 4329 4330 /* Fan Failure Interrupt */ 4331 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) 4332 gpie |= IXGBE_SDP1_GPIEN; 4333 4334 /* Thermal Sensor Interrupt */ 4335 if (adapter->feat_en & IXGBE_FEATURE_TEMP_SENSOR) 4336 gpie |= IXGBE_SDP0_GPIEN_X540; 4337 4338 /* Link detection */ 4339 switch (hw->mac.type) { 4340 case ixgbe_mac_82599EB: 4341 gpie |= IXGBE_SDP1_GPIEN | IXGBE_SDP2_GPIEN; 4342 break; 4343 case ixgbe_mac_X550EM_x: 4344 case ixgbe_mac_X550EM_a: 4345 gpie |= IXGBE_SDP0_GPIEN_X540; 4346 break; 4347 default: 4348 break; 4349 } 4350 4351 IXGBE_WRITE_REG(hw, IXGBE_GPIE, gpie); 4352 4353 } /* ixgbe_config_gpie */ 4354 4355 /************************************************************************ 4356 * ixgbe_config_delay_values 4357 * 4358 * Requires adapter->max_frame_size to be set. 4359 ************************************************************************/ 4360 static void 4361 ixgbe_config_delay_values(struct adapter *adapter) 4362 { 4363 struct ixgbe_hw *hw = &adapter->hw; 4364 u32 rxpb, frame, size, tmp; 4365 4366 frame = adapter->max_frame_size; 4367 4368 /* Calculate High Water */ 4369 switch (hw->mac.type) { 4370 case ixgbe_mac_X540: 4371 case ixgbe_mac_X550: 4372 case ixgbe_mac_X550EM_x: 4373 case ixgbe_mac_X550EM_a: 4374 tmp = IXGBE_DV_X540(frame, frame); 4375 break; 4376 default: 4377 tmp = IXGBE_DV(frame, frame); 4378 break; 4379 } 4380 size = IXGBE_BT2KB(tmp); 4381 rxpb = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(0)) >> 10; 4382 hw->fc.high_water[0] = rxpb - size; 4383 4384 /* Now calculate Low Water */ 4385 switch (hw->mac.type) { 4386 case ixgbe_mac_X540: 4387 case ixgbe_mac_X550: 4388 case ixgbe_mac_X550EM_x: 4389 case ixgbe_mac_X550EM_a: 4390 tmp = IXGBE_LOW_DV_X540(frame); 4391 break; 4392 default: 4393 tmp = IXGBE_LOW_DV(frame); 4394 break; 4395 } 4396 hw->fc.low_water[0] = IXGBE_BT2KB(tmp); 4397 4398 hw->fc.pause_time = IXGBE_FC_PAUSE; 4399 hw->fc.send_xon = TRUE; 4400 } /* ixgbe_config_delay_values */ 4401 4402 /************************************************************************ 4403 * ixgbe_set_rxfilter - Multicast Update 4404 * 4405 * Called whenever multicast address list is updated. 4406 ************************************************************************/ 4407 static void 4408 ixgbe_set_rxfilter(struct adapter *adapter) 4409 { 4410 struct ixgbe_mc_addr *mta; 4411 struct ifnet *ifp = adapter->ifp; 4412 u8 *update_ptr; 4413 int mcnt = 0; 4414 u32 fctrl; 4415 struct ethercom *ec = &adapter->osdep.ec; 4416 struct ether_multi *enm; 4417 struct ether_multistep step; 4418 4419 KASSERT(mutex_owned(&adapter->core_mtx)); 4420 IOCTL_DEBUGOUT("ixgbe_set_rxfilter: begin"); 4421 4422 mta = adapter->mta; 4423 bzero(mta, sizeof(*mta) * MAX_NUM_MULTICAST_ADDRESSES); 4424 4425 ETHER_LOCK(ec); 4426 ec->ec_flags &= ~ETHER_F_ALLMULTI; 4427 ETHER_FIRST_MULTI(step, ec, enm); 4428 while (enm != NULL) { 4429 if ((mcnt == MAX_NUM_MULTICAST_ADDRESSES) || 4430 (memcmp(enm->enm_addrlo, enm->enm_addrhi, 4431 ETHER_ADDR_LEN) != 0)) { 4432 ec->ec_flags |= ETHER_F_ALLMULTI; 4433 break; 4434 } 4435 bcopy(enm->enm_addrlo, 4436 mta[mcnt].addr, IXGBE_ETH_LENGTH_OF_ADDRESS); 4437 mta[mcnt].vmdq = adapter->pool; 4438 mcnt++; 4439 ETHER_NEXT_MULTI(step, enm); 4440 } 4441 4442 fctrl = IXGBE_READ_REG(&adapter->hw, IXGBE_FCTRL); 4443 if (ifp->if_flags & IFF_PROMISC) 4444 fctrl |= (IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE); 4445 else if (ec->ec_flags & ETHER_F_ALLMULTI) { 4446 fctrl |= IXGBE_FCTRL_MPE; 4447 fctrl &= ~IXGBE_FCTRL_UPE; 4448 } else 4449 fctrl &= ~(IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE); 4450 4451 IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCTRL, fctrl); 4452 4453 /* Update multicast filter entries only when it's not ALLMULTI */ 4454 if ((ec->ec_flags & ETHER_F_ALLMULTI) == 0) { 4455 ETHER_UNLOCK(ec); 4456 update_ptr = (u8 *)mta; 4457 ixgbe_update_mc_addr_list(&adapter->hw, update_ptr, mcnt, 4458 ixgbe_mc_array_itr, TRUE); 4459 } else 4460 ETHER_UNLOCK(ec); 4461 } /* ixgbe_set_rxfilter */ 4462 4463 /************************************************************************ 4464 * ixgbe_mc_array_itr 4465 * 4466 * An iterator function needed by the multicast shared code. 4467 * It feeds the shared code routine the addresses in the 4468 * array of ixgbe_set_rxfilter() one by one. 4469 ************************************************************************/ 4470 static u8 * 4471 ixgbe_mc_array_itr(struct ixgbe_hw *hw, u8 **update_ptr, u32 *vmdq) 4472 { 4473 struct ixgbe_mc_addr *mta; 4474 4475 mta = (struct ixgbe_mc_addr *)*update_ptr; 4476 *vmdq = mta->vmdq; 4477 4478 *update_ptr = (u8*)(mta + 1); 4479 4480 return (mta->addr); 4481 } /* ixgbe_mc_array_itr */ 4482 4483 /************************************************************************ 4484 * ixgbe_local_timer - Timer routine 4485 * 4486 * Checks for link status, updates statistics, 4487 * and runs the watchdog check. 4488 ************************************************************************/ 4489 static void 4490 ixgbe_local_timer(void *arg) 4491 { 4492 struct adapter *adapter = arg; 4493 4494 if (adapter->schedule_wqs_ok) { 4495 if (atomic_cas_uint(&adapter->timer_pending, 0, 1) == 0) 4496 workqueue_enqueue(adapter->timer_wq, 4497 &adapter->timer_wc, NULL); 4498 } 4499 } 4500 4501 static void 4502 ixgbe_handle_timer(struct work *wk, void *context) 4503 { 4504 struct adapter *adapter = context; 4505 struct ixgbe_hw *hw = &adapter->hw; 4506 device_t dev = adapter->dev; 4507 struct ix_queue *que = adapter->queues; 4508 u64 queues = 0; 4509 u64 v0, v1, v2, v3, v4, v5, v6, v7; 4510 int hung = 0; 4511 int i; 4512 4513 IXGBE_CORE_LOCK(adapter); 4514 4515 /* Check for pluggable optics */ 4516 if (ixgbe_is_sfp(hw)) { 4517 bool sched_mod_task = false; 4518 4519 if (hw->mac.type == ixgbe_mac_82598EB) { 4520 /* 4521 * On 82598EB, SFP+'s MOD_ABS pin is not connected to 4522 * any GPIO(SDP). So just schedule TASK_MOD. 4523 */ 4524 sched_mod_task = true; 4525 } else { 4526 bool was_full, is_full; 4527 4528 was_full = 4529 hw->phy.sfp_type != ixgbe_sfp_type_not_present; 4530 is_full = ixgbe_sfp_cage_full(hw); 4531 4532 /* Do probe if cage state changed */ 4533 if (was_full ^ is_full) 4534 sched_mod_task = true; 4535 } 4536 if (sched_mod_task) { 4537 mutex_enter(&adapter->admin_mtx); 4538 adapter->task_requests |= IXGBE_REQUEST_TASK_MOD; 4539 ixgbe_schedule_admin_tasklet(adapter); 4540 mutex_exit(&adapter->admin_mtx); 4541 } 4542 } 4543 4544 ixgbe_update_link_status(adapter); 4545 ixgbe_update_stats_counters(adapter); 4546 4547 /* Update some event counters */ 4548 v0 = v1 = v2 = v3 = v4 = v5 = v6 = v7 = 0; 4549 que = adapter->queues; 4550 for (i = 0; i < adapter->num_queues; i++, que++) { 4551 struct tx_ring *txr = que->txr; 4552 4553 v0 += txr->q_efbig_tx_dma_setup; 4554 v1 += txr->q_mbuf_defrag_failed; 4555 v2 += txr->q_efbig2_tx_dma_setup; 4556 v3 += txr->q_einval_tx_dma_setup; 4557 v4 += txr->q_other_tx_dma_setup; 4558 v5 += txr->q_eagain_tx_dma_setup; 4559 v6 += txr->q_enomem_tx_dma_setup; 4560 v7 += txr->q_tso_err; 4561 } 4562 adapter->efbig_tx_dma_setup.ev_count = v0; 4563 adapter->mbuf_defrag_failed.ev_count = v1; 4564 adapter->efbig2_tx_dma_setup.ev_count = v2; 4565 adapter->einval_tx_dma_setup.ev_count = v3; 4566 adapter->other_tx_dma_setup.ev_count = v4; 4567 adapter->eagain_tx_dma_setup.ev_count = v5; 4568 adapter->enomem_tx_dma_setup.ev_count = v6; 4569 adapter->tso_err.ev_count = v7; 4570 4571 /* 4572 * Check the TX queues status 4573 * - mark hung queues so we don't schedule on them 4574 * - watchdog only if all queues show hung 4575 */ 4576 que = adapter->queues; 4577 for (i = 0; i < adapter->num_queues; i++, que++) { 4578 /* Keep track of queues with work for soft irq */ 4579 if (que->txr->busy) 4580 queues |= 1ULL << que->me; 4581 /* 4582 * Each time txeof runs without cleaning, but there 4583 * are uncleaned descriptors it increments busy. If 4584 * we get to the MAX we declare it hung. 4585 */ 4586 if (que->busy == IXGBE_QUEUE_HUNG) { 4587 ++hung; 4588 /* Mark the queue as inactive */ 4589 adapter->active_queues &= ~(1ULL << que->me); 4590 continue; 4591 } else { 4592 /* Check if we've come back from hung */ 4593 if ((adapter->active_queues & (1ULL << que->me)) == 0) 4594 adapter->active_queues |= 1ULL << que->me; 4595 } 4596 if (que->busy >= IXGBE_MAX_TX_BUSY) { 4597 device_printf(dev, 4598 "Warning queue %d appears to be hung!\n", i); 4599 que->txr->busy = IXGBE_QUEUE_HUNG; 4600 ++hung; 4601 } 4602 } 4603 4604 /* Only truly watchdog if all queues show hung */ 4605 if (hung == adapter->num_queues) 4606 goto watchdog; 4607 #if 0 /* XXX Avoid unexpectedly disabling interrupt forever (PR#53294) */ 4608 else if (queues != 0) { /* Force an IRQ on queues with work */ 4609 que = adapter->queues; 4610 for (i = 0; i < adapter->num_queues; i++, que++) { 4611 mutex_enter(&que->dc_mtx); 4612 if (que->disabled_count == 0) 4613 ixgbe_rearm_queues(adapter, 4614 queues & ((u64)1 << i)); 4615 mutex_exit(&que->dc_mtx); 4616 } 4617 } 4618 #endif 4619 4620 atomic_store_relaxed(&adapter->timer_pending, 0); 4621 IXGBE_CORE_UNLOCK(adapter); 4622 callout_reset(&adapter->timer, hz, ixgbe_local_timer, adapter); 4623 return; 4624 4625 watchdog: 4626 device_printf(adapter->dev, "Watchdog timeout -- resetting\n"); 4627 adapter->ifp->if_flags &= ~IFF_RUNNING; 4628 adapter->watchdog_events.ev_count++; 4629 ixgbe_init_locked(adapter); 4630 IXGBE_CORE_UNLOCK(adapter); 4631 } /* ixgbe_handle_timer */ 4632 4633 /************************************************************************ 4634 * ixgbe_recovery_mode_timer - Recovery mode timer routine 4635 ************************************************************************/ 4636 static void 4637 ixgbe_recovery_mode_timer(void *arg) 4638 { 4639 struct adapter *adapter = arg; 4640 4641 if (__predict_true(adapter->osdep.detaching == false)) { 4642 if (atomic_cas_uint(&adapter->recovery_mode_timer_pending, 4643 0, 1) == 0) { 4644 workqueue_enqueue(adapter->recovery_mode_timer_wq, 4645 &adapter->recovery_mode_timer_wc, NULL); 4646 } 4647 } 4648 } 4649 4650 static void 4651 ixgbe_handle_recovery_mode_timer(struct work *wk, void *context) 4652 { 4653 struct adapter *adapter = context; 4654 struct ixgbe_hw *hw = &adapter->hw; 4655 4656 IXGBE_CORE_LOCK(adapter); 4657 if (ixgbe_fw_recovery_mode(hw)) { 4658 if (atomic_cas_uint(&adapter->recovery_mode, 0, 1)) { 4659 /* Firmware error detected, entering recovery mode */ 4660 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"); 4661 4662 if (hw->adapter_stopped == FALSE) 4663 ixgbe_stop_locked(adapter); 4664 } 4665 } else 4666 atomic_cas_uint(&adapter->recovery_mode, 1, 0); 4667 4668 atomic_store_relaxed(&adapter->recovery_mode_timer_pending, 0); 4669 callout_reset(&adapter->recovery_mode_timer, hz, 4670 ixgbe_recovery_mode_timer, adapter); 4671 IXGBE_CORE_UNLOCK(adapter); 4672 } /* ixgbe_handle_recovery_mode_timer */ 4673 4674 /************************************************************************ 4675 * ixgbe_handle_mod - Tasklet for SFP module interrupts 4676 ************************************************************************/ 4677 static void 4678 ixgbe_handle_mod(void *context) 4679 { 4680 struct adapter *adapter = context; 4681 struct ixgbe_hw *hw = &adapter->hw; 4682 device_t dev = adapter->dev; 4683 enum ixgbe_sfp_type last_sfp_type; 4684 u32 err; 4685 bool last_unsupported_sfp_recovery; 4686 4687 KASSERT(mutex_owned(&adapter->core_mtx)); 4688 4689 last_sfp_type = hw->phy.sfp_type; 4690 last_unsupported_sfp_recovery = hw->need_unsupported_sfp_recovery; 4691 ++adapter->mod_workev.ev_count; 4692 if (adapter->hw.need_crosstalk_fix) { 4693 if ((hw->mac.type != ixgbe_mac_82598EB) && 4694 !ixgbe_sfp_cage_full(hw)) 4695 goto out; 4696 } 4697 4698 err = hw->phy.ops.identify_sfp(hw); 4699 if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) { 4700 if (last_unsupported_sfp_recovery == false) 4701 device_printf(dev, 4702 "Unsupported SFP+ module type was detected.\n"); 4703 goto out; 4704 } 4705 4706 if (hw->need_unsupported_sfp_recovery) { 4707 device_printf(dev, "Recovering from unsupported SFP\n"); 4708 /* 4709 * We could recover the status by calling setup_sfp(), 4710 * setup_link() and some others. It's complex and might not 4711 * work correctly on some unknown cases. To avoid such type of 4712 * problem, call ixgbe_init_locked(). It's simple and safe 4713 * approach. 4714 */ 4715 ixgbe_init_locked(adapter); 4716 } else if ((hw->phy.sfp_type != ixgbe_sfp_type_not_present) && 4717 (hw->phy.sfp_type != last_sfp_type)) { 4718 /* A module is inserted and changed. */ 4719 4720 if (hw->mac.type == ixgbe_mac_82598EB) 4721 err = hw->phy.ops.reset(hw); 4722 else { 4723 err = hw->mac.ops.setup_sfp(hw); 4724 hw->phy.sfp_setup_needed = FALSE; 4725 } 4726 if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) { 4727 device_printf(dev, 4728 "Setup failure - unsupported SFP+ module type.\n"); 4729 goto out; 4730 } 4731 } 4732 4733 out: 4734 /* get_supported_phy_layer will call hw->phy.ops.identify_sfp() */ 4735 adapter->phy_layer = ixgbe_get_supported_physical_layer(hw); 4736 4737 /* Adjust media types shown in ifconfig */ 4738 IXGBE_CORE_UNLOCK(adapter); 4739 ifmedia_removeall(&adapter->media); 4740 ixgbe_add_media_types(adapter); 4741 ifmedia_set(&adapter->media, IFM_ETHER | IFM_AUTO); 4742 IXGBE_CORE_LOCK(adapter); 4743 4744 /* 4745 * Don't shedule MSF event if the chip is 82598. 82598 doesn't support 4746 * MSF. At least, calling ixgbe_handle_msf on 82598 DA makes the link 4747 * flap because the function calls setup_link(). 4748 */ 4749 if (hw->mac.type != ixgbe_mac_82598EB) { 4750 mutex_enter(&adapter->admin_mtx); 4751 adapter->task_requests |= IXGBE_REQUEST_TASK_MSF; 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 4815 mutex_enter(&adapter->admin_mtx); 4816 adapter->admin_pending = 0; 4817 task_requests = adapter->task_requests; 4818 adapter->task_requests = 0; 4819 mutex_exit(&adapter->admin_mtx); 4820 4821 /* 4822 * Hold the IFNET_LOCK across this entire call. This will 4823 * prevent additional changes to adapter->phy_layer 4824 * and serialize calls to this tasklet. We cannot hold the 4825 * CORE_LOCK while calling into the ifmedia functions as 4826 * they call ifmedia_lock() and the lock is CORE_LOCK. 4827 */ 4828 IFNET_LOCK(ifp); 4829 IXGBE_CORE_LOCK(adapter); 4830 if ((task_requests & IXGBE_REQUEST_TASK_LSC) != 0) { 4831 ixgbe_handle_link(adapter); 4832 } 4833 if ((task_requests & IXGBE_REQUEST_TASK_MOD) != 0) { 4834 ixgbe_handle_mod(adapter); 4835 } 4836 if ((task_requests & IXGBE_REQUEST_TASK_MSF) != 0) { 4837 ixgbe_handle_msf(adapter); 4838 } 4839 if ((task_requests & IXGBE_REQUEST_TASK_PHY) != 0) { 4840 ixgbe_handle_phy(adapter); 4841 } 4842 if ((task_requests & IXGBE_REQUEST_TASK_FDIR) != 0) { 4843 ixgbe_reinit_fdir(adapter); 4844 } 4845 #if 0 /* notyet */ 4846 if ((task_requests & IXGBE_REQUEST_TASK_MBX) != 0) { 4847 ixgbe_handle_mbx(adapter); 4848 } 4849 #endif 4850 if ((task_requests & IXGBE_REQUEST_TASK_NEED_ACKINTR) != 0) { 4851 if ((adapter->feat_en & IXGBE_FEATURE_MSIX) != 0) { 4852 /* Re-enable other interrupts */ 4853 IXGBE_WRITE_REG(hw, IXGBE_EIMS, IXGBE_EIMS_OTHER); 4854 } else 4855 ixgbe_enable_intr(adapter); 4856 } 4857 4858 IXGBE_CORE_UNLOCK(adapter); 4859 IFNET_UNLOCK(ifp); 4860 } /* ixgbe_handle_admin */ 4861 4862 static void 4863 ixgbe_ifstop(struct ifnet *ifp, int disable) 4864 { 4865 struct adapter *adapter = ifp->if_softc; 4866 4867 IXGBE_CORE_LOCK(adapter); 4868 ixgbe_stop_locked(adapter); 4869 IXGBE_CORE_UNLOCK(adapter); 4870 4871 workqueue_wait(adapter->timer_wq, &adapter->timer_wc); 4872 atomic_store_relaxed(&adapter->timer_pending, 0); 4873 } 4874 4875 /************************************************************************ 4876 * ixgbe_stop_locked - Stop the hardware 4877 * 4878 * Disables all traffic on the adapter by issuing a 4879 * global reset on the MAC and deallocates TX/RX buffers. 4880 ************************************************************************/ 4881 static void 4882 ixgbe_stop_locked(void *arg) 4883 { 4884 struct ifnet *ifp; 4885 struct adapter *adapter = arg; 4886 struct ixgbe_hw *hw = &adapter->hw; 4887 4888 ifp = adapter->ifp; 4889 4890 KASSERT(mutex_owned(&adapter->core_mtx)); 4891 4892 INIT_DEBUGOUT("ixgbe_stop_locked: begin\n"); 4893 ixgbe_disable_intr(adapter); 4894 callout_stop(&adapter->timer); 4895 4896 /* Don't schedule workqueues. */ 4897 adapter->schedule_wqs_ok = false; 4898 4899 /* Let the stack know...*/ 4900 ifp->if_flags &= ~IFF_RUNNING; 4901 4902 ixgbe_reset_hw(hw); 4903 hw->adapter_stopped = FALSE; 4904 ixgbe_stop_adapter(hw); 4905 if (hw->mac.type == ixgbe_mac_82599EB) 4906 ixgbe_stop_mac_link_on_d3_82599(hw); 4907 /* Turn off the laser - noop with no optics */ 4908 ixgbe_disable_tx_laser(hw); 4909 4910 /* Update the stack */ 4911 adapter->link_up = FALSE; 4912 ixgbe_update_link_status(adapter); 4913 4914 /* reprogram the RAR[0] in case user changed it. */ 4915 ixgbe_set_rar(&adapter->hw, 0, adapter->hw.mac.addr, 0, IXGBE_RAH_AV); 4916 4917 return; 4918 } /* ixgbe_stop_locked */ 4919 4920 /************************************************************************ 4921 * ixgbe_update_link_status - Update OS on link state 4922 * 4923 * Note: Only updates the OS on the cached link state. 4924 * The real check of the hardware only happens with 4925 * a link interrupt. 4926 ************************************************************************/ 4927 static void 4928 ixgbe_update_link_status(struct adapter *adapter) 4929 { 4930 struct ifnet *ifp = adapter->ifp; 4931 device_t dev = adapter->dev; 4932 struct ixgbe_hw *hw = &adapter->hw; 4933 4934 KASSERT(mutex_owned(&adapter->core_mtx)); 4935 4936 if (adapter->link_up) { 4937 if (adapter->link_active != LINK_STATE_UP) { 4938 /* 4939 * To eliminate influence of the previous state 4940 * in the same way as ixgbe_init_locked(). 4941 */ 4942 struct ix_queue *que = adapter->queues; 4943 for (int i = 0; i < adapter->num_queues; i++, que++) 4944 que->eitr_setting = 0; 4945 4946 if (adapter->link_speed == IXGBE_LINK_SPEED_10GB_FULL){ 4947 /* 4948 * Discard count for both MAC Local Fault and 4949 * Remote Fault because those registers are 4950 * valid only when the link speed is up and 4951 * 10Gbps. 4952 */ 4953 IXGBE_READ_REG(hw, IXGBE_MLFC); 4954 IXGBE_READ_REG(hw, IXGBE_MRFC); 4955 } 4956 4957 if (bootverbose) { 4958 const char *bpsmsg; 4959 4960 switch (adapter->link_speed) { 4961 case IXGBE_LINK_SPEED_10GB_FULL: 4962 bpsmsg = "10 Gbps"; 4963 break; 4964 case IXGBE_LINK_SPEED_5GB_FULL: 4965 bpsmsg = "5 Gbps"; 4966 break; 4967 case IXGBE_LINK_SPEED_2_5GB_FULL: 4968 bpsmsg = "2.5 Gbps"; 4969 break; 4970 case IXGBE_LINK_SPEED_1GB_FULL: 4971 bpsmsg = "1 Gbps"; 4972 break; 4973 case IXGBE_LINK_SPEED_100_FULL: 4974 bpsmsg = "100 Mbps"; 4975 break; 4976 case IXGBE_LINK_SPEED_10_FULL: 4977 bpsmsg = "10 Mbps"; 4978 break; 4979 default: 4980 bpsmsg = "unknown speed"; 4981 break; 4982 } 4983 device_printf(dev, "Link is up %s %s \n", 4984 bpsmsg, "Full Duplex"); 4985 } 4986 adapter->link_active = LINK_STATE_UP; 4987 /* Update any Flow Control changes */ 4988 ixgbe_fc_enable(&adapter->hw); 4989 /* Update DMA coalescing config */ 4990 ixgbe_config_dmac(adapter); 4991 if_link_state_change(ifp, LINK_STATE_UP); 4992 4993 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) 4994 ixgbe_ping_all_vfs(adapter); 4995 } 4996 } else { 4997 /* 4998 * Do it when link active changes to DOWN. i.e. 4999 * a) LINK_STATE_UNKNOWN -> LINK_STATE_DOWN 5000 * b) LINK_STATE_UP -> LINK_STATE_DOWN 5001 */ 5002 if (adapter->link_active != LINK_STATE_DOWN) { 5003 if (bootverbose) 5004 device_printf(dev, "Link is Down\n"); 5005 if_link_state_change(ifp, LINK_STATE_DOWN); 5006 adapter->link_active = LINK_STATE_DOWN; 5007 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) 5008 ixgbe_ping_all_vfs(adapter); 5009 ixgbe_drain_all(adapter); 5010 } 5011 } 5012 } /* ixgbe_update_link_status */ 5013 5014 /************************************************************************ 5015 * ixgbe_config_dmac - Configure DMA Coalescing 5016 ************************************************************************/ 5017 static void 5018 ixgbe_config_dmac(struct adapter *adapter) 5019 { 5020 struct ixgbe_hw *hw = &adapter->hw; 5021 struct ixgbe_dmac_config *dcfg = &hw->mac.dmac_config; 5022 5023 if (hw->mac.type < ixgbe_mac_X550 || !hw->mac.ops.dmac_config) 5024 return; 5025 5026 if (dcfg->watchdog_timer ^ adapter->dmac || 5027 dcfg->link_speed ^ adapter->link_speed) { 5028 dcfg->watchdog_timer = adapter->dmac; 5029 dcfg->fcoe_en = false; 5030 dcfg->link_speed = adapter->link_speed; 5031 dcfg->num_tcs = 1; 5032 5033 INIT_DEBUGOUT2("dmac settings: watchdog %d, link speed %d\n", 5034 dcfg->watchdog_timer, dcfg->link_speed); 5035 5036 hw->mac.ops.dmac_config(hw); 5037 } 5038 } /* ixgbe_config_dmac */ 5039 5040 /************************************************************************ 5041 * ixgbe_enable_intr 5042 ************************************************************************/ 5043 static void 5044 ixgbe_enable_intr(struct adapter *adapter) 5045 { 5046 struct ixgbe_hw *hw = &adapter->hw; 5047 struct ix_queue *que = adapter->queues; 5048 u32 mask, fwsm; 5049 5050 mask = (IXGBE_EIMS_ENABLE_MASK & ~IXGBE_EIMS_RTX_QUEUE); 5051 5052 switch (adapter->hw.mac.type) { 5053 case ixgbe_mac_82599EB: 5054 mask |= IXGBE_EIMS_ECC; 5055 /* Temperature sensor on some adapters */ 5056 mask |= IXGBE_EIMS_GPI_SDP0; 5057 /* SFP+ (RX_LOS_N & MOD_ABS_N) */ 5058 mask |= IXGBE_EIMS_GPI_SDP1; 5059 mask |= IXGBE_EIMS_GPI_SDP2; 5060 break; 5061 case ixgbe_mac_X540: 5062 /* Detect if Thermal Sensor is enabled */ 5063 fwsm = IXGBE_READ_REG(hw, IXGBE_FWSM); 5064 if (fwsm & IXGBE_FWSM_TS_ENABLED) 5065 mask |= IXGBE_EIMS_TS; 5066 mask |= IXGBE_EIMS_ECC; 5067 break; 5068 case ixgbe_mac_X550: 5069 /* MAC thermal sensor is automatically enabled */ 5070 mask |= IXGBE_EIMS_TS; 5071 mask |= IXGBE_EIMS_ECC; 5072 break; 5073 case ixgbe_mac_X550EM_x: 5074 case ixgbe_mac_X550EM_a: 5075 /* Some devices use SDP0 for important information */ 5076 if (hw->device_id == IXGBE_DEV_ID_X550EM_X_SFP || 5077 hw->device_id == IXGBE_DEV_ID_X550EM_A_SFP || 5078 hw->device_id == IXGBE_DEV_ID_X550EM_A_SFP_N || 5079 hw->device_id == IXGBE_DEV_ID_X550EM_X_10G_T) 5080 mask |= IXGBE_EIMS_GPI_SDP0_BY_MAC(hw); 5081 if (hw->phy.type == ixgbe_phy_x550em_ext_t) 5082 mask |= IXGBE_EICR_GPI_SDP0_X540; 5083 mask |= IXGBE_EIMS_ECC; 5084 break; 5085 default: 5086 break; 5087 } 5088 5089 /* Enable Fan Failure detection */ 5090 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) 5091 mask |= IXGBE_EIMS_GPI_SDP1; 5092 /* Enable SR-IOV */ 5093 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) 5094 mask |= IXGBE_EIMS_MAILBOX; 5095 /* Enable Flow Director */ 5096 if (adapter->feat_en & IXGBE_FEATURE_FDIR) 5097 mask |= IXGBE_EIMS_FLOW_DIR; 5098 5099 IXGBE_WRITE_REG(hw, IXGBE_EIMS, mask); 5100 5101 /* With MSI-X we use auto clear */ 5102 if (adapter->msix_mem) { 5103 mask = IXGBE_EIMS_ENABLE_MASK; 5104 /* Don't autoclear Link */ 5105 mask &= ~IXGBE_EIMS_OTHER; 5106 mask &= ~IXGBE_EIMS_LSC; 5107 if (adapter->feat_cap & IXGBE_FEATURE_SRIOV) 5108 mask &= ~IXGBE_EIMS_MAILBOX; 5109 IXGBE_WRITE_REG(hw, IXGBE_EIAC, mask); 5110 } 5111 5112 /* 5113 * Now enable all queues, this is done separately to 5114 * allow for handling the extended (beyond 32) MSI-X 5115 * vectors that can be used by 82599 5116 */ 5117 for (int i = 0; i < adapter->num_queues; i++, que++) 5118 ixgbe_enable_queue(adapter, que->msix); 5119 5120 IXGBE_WRITE_FLUSH(hw); 5121 5122 } /* ixgbe_enable_intr */ 5123 5124 /************************************************************************ 5125 * ixgbe_disable_intr_internal 5126 ************************************************************************/ 5127 static void 5128 ixgbe_disable_intr_internal(struct adapter *adapter, bool nestok) 5129 { 5130 struct ix_queue *que = adapter->queues; 5131 5132 /* disable interrupts other than queues */ 5133 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, ~IXGBE_EIMC_RTX_QUEUE); 5134 5135 if (adapter->msix_mem) 5136 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIAC, 0); 5137 5138 for (int i = 0; i < adapter->num_queues; i++, que++) 5139 ixgbe_disable_queue_internal(adapter, que->msix, nestok); 5140 5141 IXGBE_WRITE_FLUSH(&adapter->hw); 5142 5143 } /* ixgbe_do_disable_intr_internal */ 5144 5145 /************************************************************************ 5146 * ixgbe_disable_intr 5147 ************************************************************************/ 5148 static void 5149 ixgbe_disable_intr(struct adapter *adapter) 5150 { 5151 5152 ixgbe_disable_intr_internal(adapter, true); 5153 } /* ixgbe_disable_intr */ 5154 5155 /************************************************************************ 5156 * ixgbe_ensure_disabled_intr 5157 ************************************************************************/ 5158 void 5159 ixgbe_ensure_disabled_intr(struct adapter *adapter) 5160 { 5161 5162 ixgbe_disable_intr_internal(adapter, false); 5163 } /* ixgbe_ensure_disabled_intr */ 5164 5165 /************************************************************************ 5166 * ixgbe_legacy_irq - Legacy Interrupt Service routine 5167 ************************************************************************/ 5168 static int 5169 ixgbe_legacy_irq(void *arg) 5170 { 5171 struct ix_queue *que = arg; 5172 struct adapter *adapter = que->adapter; 5173 struct ixgbe_hw *hw = &adapter->hw; 5174 struct ifnet *ifp = adapter->ifp; 5175 struct tx_ring *txr = adapter->tx_rings; 5176 bool more = false; 5177 bool reenable_intr = true; 5178 u32 eicr, eicr_mask; 5179 u32 task_requests = 0; 5180 5181 /* Silicon errata #26 on 82598 */ 5182 IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_IRQ_CLEAR_MASK); 5183 5184 eicr = IXGBE_READ_REG(hw, IXGBE_EICR); 5185 5186 adapter->stats.pf.legint.ev_count++; 5187 ++que->irqs.ev_count; 5188 if (eicr == 0) { 5189 adapter->stats.pf.intzero.ev_count++; 5190 if ((ifp->if_flags & IFF_UP) != 0) 5191 ixgbe_enable_intr(adapter); 5192 return 0; 5193 } 5194 5195 if ((ifp->if_flags & IFF_RUNNING) != 0) { 5196 /* 5197 * The same as ixgbe_msix_que() about "que->txrx_use_workqueue". 5198 */ 5199 que->txrx_use_workqueue = adapter->txrx_use_workqueue; 5200 5201 #ifdef __NetBSD__ 5202 /* Don't run ixgbe_rxeof in interrupt context */ 5203 more = true; 5204 #else 5205 more = ixgbe_rxeof(que); 5206 #endif 5207 5208 IXGBE_TX_LOCK(txr); 5209 ixgbe_txeof(txr); 5210 #ifdef notyet 5211 if (!ixgbe_ring_empty(ifp, txr->br)) 5212 ixgbe_start_locked(ifp, txr); 5213 #endif 5214 IXGBE_TX_UNLOCK(txr); 5215 } 5216 5217 /* Check for fan failure */ 5218 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) { 5219 ixgbe_check_fan_failure(adapter, eicr, true); 5220 IXGBE_WRITE_REG(hw, IXGBE_EIMS, IXGBE_EICR_GPI_SDP1_BY_MAC(hw)); 5221 } 5222 5223 if (ixgbe_is_sfp(hw)) { 5224 /* Pluggable optics-related interrupt */ 5225 if (hw->mac.type >= ixgbe_mac_X540) 5226 eicr_mask = IXGBE_EICR_GPI_SDP0_X540; 5227 else 5228 eicr_mask = IXGBE_EICR_GPI_SDP2_BY_MAC(hw); 5229 5230 /* 5231 * An interrupt might not arrive when a module is inserted. 5232 * When an link status change interrupt occurred and the driver 5233 * still regard SFP as unplugged, issue the module softint 5234 * and then issue LSC interrupt. 5235 */ 5236 if ((eicr & eicr_mask) 5237 || ((hw->phy.sfp_type == ixgbe_sfp_type_not_present) 5238 && (eicr & IXGBE_EICR_LSC))) { 5239 IXGBE_WRITE_REG(hw, IXGBE_EICR, eicr_mask); 5240 task_requests |= IXGBE_REQUEST_TASK_MOD; 5241 } 5242 5243 if ((hw->mac.type == ixgbe_mac_82599EB) && 5244 (eicr & IXGBE_EICR_GPI_SDP1_BY_MAC(hw))) { 5245 IXGBE_WRITE_REG(hw, IXGBE_EICR, 5246 IXGBE_EICR_GPI_SDP1_BY_MAC(hw)); 5247 task_requests |= IXGBE_REQUEST_TASK_MSF; 5248 } 5249 } 5250 5251 /* Link status change */ 5252 if (eicr & IXGBE_EICR_LSC) 5253 task_requests |= IXGBE_REQUEST_TASK_LSC; 5254 5255 /* External PHY interrupt */ 5256 if ((hw->phy.type == ixgbe_phy_x550em_ext_t) && 5257 (eicr & IXGBE_EICR_GPI_SDP0_X540)) 5258 task_requests |= IXGBE_REQUEST_TASK_PHY; 5259 5260 if (more) { 5261 que->req.ev_count++; 5262 ixgbe_sched_handle_que(adapter, que); 5263 reenable_intr = false; 5264 } 5265 if (task_requests != 0) { 5266 /* Re-enabling other interrupts is done in the admin task */ 5267 task_requests |= IXGBE_REQUEST_TASK_NEED_ACKINTR; 5268 5269 mutex_enter(&adapter->admin_mtx); 5270 adapter->task_requests |= task_requests; 5271 ixgbe_schedule_admin_tasklet(adapter); 5272 mutex_exit(&adapter->admin_mtx); 5273 5274 reenable_intr = false; 5275 } 5276 5277 if (reenable_intr == true) 5278 ixgbe_enable_intr(adapter); 5279 5280 return 1; 5281 } /* ixgbe_legacy_irq */ 5282 5283 /************************************************************************ 5284 * ixgbe_free_pciintr_resources 5285 ************************************************************************/ 5286 static void 5287 ixgbe_free_pciintr_resources(struct adapter *adapter) 5288 { 5289 struct ix_queue *que = adapter->queues; 5290 int rid; 5291 5292 /* 5293 * Release all msix queue resources: 5294 */ 5295 for (int i = 0; i < adapter->num_queues; i++, que++) { 5296 if (que->res != NULL) { 5297 pci_intr_disestablish(adapter->osdep.pc, 5298 adapter->osdep.ihs[i]); 5299 adapter->osdep.ihs[i] = NULL; 5300 } 5301 } 5302 5303 /* Clean the Legacy or Link interrupt last */ 5304 if (adapter->vector) /* we are doing MSIX */ 5305 rid = adapter->vector; 5306 else 5307 rid = 0; 5308 5309 if (adapter->osdep.ihs[rid] != NULL) { 5310 pci_intr_disestablish(adapter->osdep.pc, 5311 adapter->osdep.ihs[rid]); 5312 adapter->osdep.ihs[rid] = NULL; 5313 } 5314 5315 if (adapter->osdep.intrs != NULL) { 5316 pci_intr_release(adapter->osdep.pc, adapter->osdep.intrs, 5317 adapter->osdep.nintrs); 5318 adapter->osdep.intrs = NULL; 5319 } 5320 } /* ixgbe_free_pciintr_resources */ 5321 5322 /************************************************************************ 5323 * ixgbe_free_pci_resources 5324 ************************************************************************/ 5325 static void 5326 ixgbe_free_pci_resources(struct adapter *adapter) 5327 { 5328 5329 ixgbe_free_pciintr_resources(adapter); 5330 5331 if (adapter->osdep.mem_size != 0) { 5332 bus_space_unmap(adapter->osdep.mem_bus_space_tag, 5333 adapter->osdep.mem_bus_space_handle, 5334 adapter->osdep.mem_size); 5335 } 5336 5337 } /* ixgbe_free_pci_resources */ 5338 5339 /************************************************************************ 5340 * ixgbe_set_sysctl_value 5341 ************************************************************************/ 5342 static void 5343 ixgbe_set_sysctl_value(struct adapter *adapter, const char *name, 5344 const char *description, int *limit, int value) 5345 { 5346 device_t dev = adapter->dev; 5347 struct sysctllog **log; 5348 const struct sysctlnode *rnode, *cnode; 5349 5350 /* 5351 * It's not required to check recovery mode because this function never 5352 * touches hardware. 5353 */ 5354 5355 log = &adapter->sysctllog; 5356 if ((rnode = ixgbe_sysctl_instance(adapter)) == NULL) { 5357 aprint_error_dev(dev, "could not create sysctl root\n"); 5358 return; 5359 } 5360 if (sysctl_createv(log, 0, &rnode, &cnode, 5361 CTLFLAG_READWRITE, CTLTYPE_INT, 5362 name, SYSCTL_DESCR(description), 5363 NULL, 0, limit, 0, CTL_CREATE, CTL_EOL) != 0) 5364 aprint_error_dev(dev, "could not create sysctl\n"); 5365 *limit = value; 5366 } /* ixgbe_set_sysctl_value */ 5367 5368 /************************************************************************ 5369 * ixgbe_sysctl_flowcntl 5370 * 5371 * SYSCTL wrapper around setting Flow Control 5372 ************************************************************************/ 5373 static int 5374 ixgbe_sysctl_flowcntl(SYSCTLFN_ARGS) 5375 { 5376 struct sysctlnode node = *rnode; 5377 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5378 int error, fc; 5379 5380 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5381 return (EPERM); 5382 5383 fc = adapter->hw.fc.current_mode; 5384 node.sysctl_data = &fc; 5385 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5386 if (error != 0 || newp == NULL) 5387 return error; 5388 5389 /* Don't bother if it's not changed */ 5390 if (fc == adapter->hw.fc.current_mode) 5391 return (0); 5392 5393 return ixgbe_set_flowcntl(adapter, fc); 5394 } /* ixgbe_sysctl_flowcntl */ 5395 5396 /************************************************************************ 5397 * ixgbe_set_flowcntl - Set flow control 5398 * 5399 * Flow control values: 5400 * 0 - off 5401 * 1 - rx pause 5402 * 2 - tx pause 5403 * 3 - full 5404 ************************************************************************/ 5405 static int 5406 ixgbe_set_flowcntl(struct adapter *adapter, int fc) 5407 { 5408 switch (fc) { 5409 case ixgbe_fc_rx_pause: 5410 case ixgbe_fc_tx_pause: 5411 case ixgbe_fc_full: 5412 adapter->hw.fc.requested_mode = fc; 5413 if (adapter->num_queues > 1) 5414 ixgbe_disable_rx_drop(adapter); 5415 break; 5416 case ixgbe_fc_none: 5417 adapter->hw.fc.requested_mode = ixgbe_fc_none; 5418 if (adapter->num_queues > 1) 5419 ixgbe_enable_rx_drop(adapter); 5420 break; 5421 default: 5422 return (EINVAL); 5423 } 5424 5425 #if 0 /* XXX NetBSD */ 5426 /* Don't autoneg if forcing a value */ 5427 adapter->hw.fc.disable_fc_autoneg = TRUE; 5428 #endif 5429 ixgbe_fc_enable(&adapter->hw); 5430 5431 return (0); 5432 } /* ixgbe_set_flowcntl */ 5433 5434 /************************************************************************ 5435 * ixgbe_enable_rx_drop 5436 * 5437 * Enable the hardware to drop packets when the buffer is 5438 * full. This is useful with multiqueue, so that no single 5439 * queue being full stalls the entire RX engine. We only 5440 * enable this when Multiqueue is enabled AND Flow Control 5441 * is disabled. 5442 ************************************************************************/ 5443 static void 5444 ixgbe_enable_rx_drop(struct adapter *adapter) 5445 { 5446 struct ixgbe_hw *hw = &adapter->hw; 5447 struct rx_ring *rxr; 5448 u32 srrctl; 5449 5450 for (int i = 0; i < adapter->num_queues; i++) { 5451 rxr = &adapter->rx_rings[i]; 5452 srrctl = IXGBE_READ_REG(hw, IXGBE_SRRCTL(rxr->me)); 5453 srrctl |= IXGBE_SRRCTL_DROP_EN; 5454 IXGBE_WRITE_REG(hw, IXGBE_SRRCTL(rxr->me), srrctl); 5455 } 5456 5457 /* enable drop for each vf */ 5458 for (int i = 0; i < adapter->num_vfs; i++) { 5459 IXGBE_WRITE_REG(hw, IXGBE_QDE, 5460 (IXGBE_QDE_WRITE | (i << IXGBE_QDE_IDX_SHIFT) | 5461 IXGBE_QDE_ENABLE)); 5462 } 5463 } /* ixgbe_enable_rx_drop */ 5464 5465 /************************************************************************ 5466 * ixgbe_disable_rx_drop 5467 ************************************************************************/ 5468 static void 5469 ixgbe_disable_rx_drop(struct adapter *adapter) 5470 { 5471 struct ixgbe_hw *hw = &adapter->hw; 5472 struct rx_ring *rxr; 5473 u32 srrctl; 5474 5475 for (int i = 0; i < adapter->num_queues; i++) { 5476 rxr = &adapter->rx_rings[i]; 5477 srrctl = IXGBE_READ_REG(hw, IXGBE_SRRCTL(rxr->me)); 5478 srrctl &= ~IXGBE_SRRCTL_DROP_EN; 5479 IXGBE_WRITE_REG(hw, IXGBE_SRRCTL(rxr->me), srrctl); 5480 } 5481 5482 /* disable drop for each vf */ 5483 for (int i = 0; i < adapter->num_vfs; i++) { 5484 IXGBE_WRITE_REG(hw, IXGBE_QDE, 5485 (IXGBE_QDE_WRITE | (i << IXGBE_QDE_IDX_SHIFT))); 5486 } 5487 } /* ixgbe_disable_rx_drop */ 5488 5489 /************************************************************************ 5490 * ixgbe_sysctl_advertise 5491 * 5492 * SYSCTL wrapper around setting advertised speed 5493 ************************************************************************/ 5494 static int 5495 ixgbe_sysctl_advertise(SYSCTLFN_ARGS) 5496 { 5497 struct sysctlnode node = *rnode; 5498 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5499 int error = 0, advertise; 5500 5501 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5502 return (EPERM); 5503 5504 advertise = adapter->advertise; 5505 node.sysctl_data = &advertise; 5506 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5507 if (error != 0 || newp == NULL) 5508 return error; 5509 5510 return ixgbe_set_advertise(adapter, advertise); 5511 } /* ixgbe_sysctl_advertise */ 5512 5513 /************************************************************************ 5514 * ixgbe_set_advertise - Control advertised link speed 5515 * 5516 * Flags: 5517 * 0x00 - Default (all capable link speed) 5518 * 0x01 - advertise 100 Mb 5519 * 0x02 - advertise 1G 5520 * 0x04 - advertise 10G 5521 * 0x08 - advertise 10 Mb 5522 * 0x10 - advertise 2.5G 5523 * 0x20 - advertise 5G 5524 ************************************************************************/ 5525 static int 5526 ixgbe_set_advertise(struct adapter *adapter, int advertise) 5527 { 5528 device_t dev; 5529 struct ixgbe_hw *hw; 5530 ixgbe_link_speed speed = 0; 5531 ixgbe_link_speed link_caps = 0; 5532 s32 err = IXGBE_NOT_IMPLEMENTED; 5533 bool negotiate = FALSE; 5534 5535 /* Checks to validate new value */ 5536 if (adapter->advertise == advertise) /* no change */ 5537 return (0); 5538 5539 dev = adapter->dev; 5540 hw = &adapter->hw; 5541 5542 /* No speed changes for backplane media */ 5543 if (hw->phy.media_type == ixgbe_media_type_backplane) 5544 return (ENODEV); 5545 5546 if (!((hw->phy.media_type == ixgbe_media_type_copper) || 5547 (hw->phy.multispeed_fiber))) { 5548 device_printf(dev, 5549 "Advertised speed can only be set on copper or " 5550 "multispeed fiber media types.\n"); 5551 return (EINVAL); 5552 } 5553 5554 if (advertise < 0x0 || advertise > 0x3f) { 5555 device_printf(dev, 5556 "Invalid advertised speed; valid modes are 0x0 through 0x3f\n"); 5557 return (EINVAL); 5558 } 5559 5560 if (hw->mac.ops.get_link_capabilities) { 5561 err = hw->mac.ops.get_link_capabilities(hw, &link_caps, 5562 &negotiate); 5563 if (err != IXGBE_SUCCESS) { 5564 device_printf(dev, "Unable to determine supported advertise speeds\n"); 5565 return (ENODEV); 5566 } 5567 } 5568 5569 /* Set new value and report new advertised mode */ 5570 if (advertise & 0x1) { 5571 if (!(link_caps & IXGBE_LINK_SPEED_100_FULL)) { 5572 device_printf(dev, "Interface does not support 100Mb advertised speed\n"); 5573 return (EINVAL); 5574 } 5575 speed |= IXGBE_LINK_SPEED_100_FULL; 5576 } 5577 if (advertise & 0x2) { 5578 if (!(link_caps & IXGBE_LINK_SPEED_1GB_FULL)) { 5579 device_printf(dev, "Interface does not support 1Gb advertised speed\n"); 5580 return (EINVAL); 5581 } 5582 speed |= IXGBE_LINK_SPEED_1GB_FULL; 5583 } 5584 if (advertise & 0x4) { 5585 if (!(link_caps & IXGBE_LINK_SPEED_10GB_FULL)) { 5586 device_printf(dev, "Interface does not support 10Gb advertised speed\n"); 5587 return (EINVAL); 5588 } 5589 speed |= IXGBE_LINK_SPEED_10GB_FULL; 5590 } 5591 if (advertise & 0x8) { 5592 if (!(link_caps & IXGBE_LINK_SPEED_10_FULL)) { 5593 device_printf(dev, "Interface does not support 10Mb advertised speed\n"); 5594 return (EINVAL); 5595 } 5596 speed |= IXGBE_LINK_SPEED_10_FULL; 5597 } 5598 if (advertise & 0x10) { 5599 if (!(link_caps & IXGBE_LINK_SPEED_2_5GB_FULL)) { 5600 device_printf(dev, "Interface does not support 2.5Gb advertised speed\n"); 5601 return (EINVAL); 5602 } 5603 speed |= IXGBE_LINK_SPEED_2_5GB_FULL; 5604 } 5605 if (advertise & 0x20) { 5606 if (!(link_caps & IXGBE_LINK_SPEED_5GB_FULL)) { 5607 device_printf(dev, "Interface does not support 5Gb advertised speed\n"); 5608 return (EINVAL); 5609 } 5610 speed |= IXGBE_LINK_SPEED_5GB_FULL; 5611 } 5612 if (advertise == 0) 5613 speed = link_caps; /* All capable link speed */ 5614 5615 hw->mac.autotry_restart = TRUE; 5616 hw->mac.ops.setup_link(hw, speed, TRUE); 5617 adapter->advertise = advertise; 5618 5619 return (0); 5620 } /* ixgbe_set_advertise */ 5621 5622 /************************************************************************ 5623 * ixgbe_get_advertise - Get current advertised speed settings 5624 * 5625 * Formatted for sysctl usage. 5626 * Flags: 5627 * 0x01 - advertise 100 Mb 5628 * 0x02 - advertise 1G 5629 * 0x04 - advertise 10G 5630 * 0x08 - advertise 10 Mb (yes, Mb) 5631 * 0x10 - advertise 2.5G 5632 * 0x20 - advertise 5G 5633 ************************************************************************/ 5634 static int 5635 ixgbe_get_advertise(struct adapter *adapter) 5636 { 5637 struct ixgbe_hw *hw = &adapter->hw; 5638 int speed; 5639 ixgbe_link_speed link_caps = 0; 5640 s32 err; 5641 bool negotiate = FALSE; 5642 5643 /* 5644 * Advertised speed means nothing unless it's copper or 5645 * multi-speed fiber 5646 */ 5647 if (!(hw->phy.media_type == ixgbe_media_type_copper) && 5648 !(hw->phy.multispeed_fiber)) 5649 return (0); 5650 5651 err = hw->mac.ops.get_link_capabilities(hw, &link_caps, &negotiate); 5652 if (err != IXGBE_SUCCESS) 5653 return (0); 5654 5655 speed = 5656 ((link_caps & IXGBE_LINK_SPEED_10GB_FULL) ? 0x04 : 0) | 5657 ((link_caps & IXGBE_LINK_SPEED_1GB_FULL) ? 0x02 : 0) | 5658 ((link_caps & IXGBE_LINK_SPEED_100_FULL) ? 0x01 : 0) | 5659 ((link_caps & IXGBE_LINK_SPEED_10_FULL) ? 0x08 : 0) | 5660 ((link_caps & IXGBE_LINK_SPEED_2_5GB_FULL) ? 0x10 : 0) | 5661 ((link_caps & IXGBE_LINK_SPEED_5GB_FULL) ? 0x20 : 0); 5662 5663 return speed; 5664 } /* ixgbe_get_advertise */ 5665 5666 /************************************************************************ 5667 * ixgbe_sysctl_dmac - Manage DMA Coalescing 5668 * 5669 * Control values: 5670 * 0/1 - off / on (use default value of 1000) 5671 * 5672 * Legal timer values are: 5673 * 50,100,250,500,1000,2000,5000,10000 5674 * 5675 * Turning off interrupt moderation will also turn this off. 5676 ************************************************************************/ 5677 static int 5678 ixgbe_sysctl_dmac(SYSCTLFN_ARGS) 5679 { 5680 struct sysctlnode node = *rnode; 5681 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5682 struct ifnet *ifp = adapter->ifp; 5683 int error; 5684 int newval; 5685 5686 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5687 return (EPERM); 5688 5689 newval = adapter->dmac; 5690 node.sysctl_data = &newval; 5691 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5692 if ((error) || (newp == NULL)) 5693 return (error); 5694 5695 switch (newval) { 5696 case 0: 5697 /* Disabled */ 5698 adapter->dmac = 0; 5699 break; 5700 case 1: 5701 /* Enable and use default */ 5702 adapter->dmac = 1000; 5703 break; 5704 case 50: 5705 case 100: 5706 case 250: 5707 case 500: 5708 case 1000: 5709 case 2000: 5710 case 5000: 5711 case 10000: 5712 /* Legal values - allow */ 5713 adapter->dmac = newval; 5714 break; 5715 default: 5716 /* Do nothing, illegal value */ 5717 return (EINVAL); 5718 } 5719 5720 /* Re-initialize hardware if it's already running */ 5721 if (ifp->if_flags & IFF_RUNNING) 5722 ifp->if_init(ifp); 5723 5724 return (0); 5725 } 5726 5727 #ifdef IXGBE_DEBUG 5728 /************************************************************************ 5729 * ixgbe_sysctl_power_state 5730 * 5731 * Sysctl to test power states 5732 * Values: 5733 * 0 - set device to D0 5734 * 3 - set device to D3 5735 * (none) - get current device power state 5736 ************************************************************************/ 5737 static int 5738 ixgbe_sysctl_power_state(SYSCTLFN_ARGS) 5739 { 5740 #ifdef notyet 5741 struct sysctlnode node = *rnode; 5742 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5743 device_t dev = adapter->dev; 5744 int curr_ps, new_ps, error = 0; 5745 5746 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5747 return (EPERM); 5748 5749 curr_ps = new_ps = pci_get_powerstate(dev); 5750 5751 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5752 if ((error) || (req->newp == NULL)) 5753 return (error); 5754 5755 if (new_ps == curr_ps) 5756 return (0); 5757 5758 if (new_ps == 3 && curr_ps == 0) 5759 error = DEVICE_SUSPEND(dev); 5760 else if (new_ps == 0 && curr_ps == 3) 5761 error = DEVICE_RESUME(dev); 5762 else 5763 return (EINVAL); 5764 5765 device_printf(dev, "New state: %d\n", pci_get_powerstate(dev)); 5766 5767 return (error); 5768 #else 5769 return 0; 5770 #endif 5771 } /* ixgbe_sysctl_power_state */ 5772 #endif 5773 5774 /************************************************************************ 5775 * ixgbe_sysctl_wol_enable 5776 * 5777 * Sysctl to enable/disable the WoL capability, 5778 * if supported by the adapter. 5779 * 5780 * Values: 5781 * 0 - disabled 5782 * 1 - enabled 5783 ************************************************************************/ 5784 static int 5785 ixgbe_sysctl_wol_enable(SYSCTLFN_ARGS) 5786 { 5787 struct sysctlnode node = *rnode; 5788 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5789 struct ixgbe_hw *hw = &adapter->hw; 5790 bool new_wol_enabled; 5791 int error = 0; 5792 5793 /* 5794 * It's not required to check recovery mode because this function never 5795 * touches hardware. 5796 */ 5797 new_wol_enabled = hw->wol_enabled; 5798 node.sysctl_data = &new_wol_enabled; 5799 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5800 if ((error) || (newp == NULL)) 5801 return (error); 5802 if (new_wol_enabled == hw->wol_enabled) 5803 return (0); 5804 5805 if (new_wol_enabled && !adapter->wol_support) 5806 return (ENODEV); 5807 else 5808 hw->wol_enabled = new_wol_enabled; 5809 5810 return (0); 5811 } /* ixgbe_sysctl_wol_enable */ 5812 5813 /************************************************************************ 5814 * ixgbe_sysctl_wufc - Wake Up Filter Control 5815 * 5816 * Sysctl to enable/disable the types of packets that the 5817 * adapter will wake up on upon receipt. 5818 * Flags: 5819 * 0x1 - Link Status Change 5820 * 0x2 - Magic Packet 5821 * 0x4 - Direct Exact 5822 * 0x8 - Directed Multicast 5823 * 0x10 - Broadcast 5824 * 0x20 - ARP/IPv4 Request Packet 5825 * 0x40 - Direct IPv4 Packet 5826 * 0x80 - Direct IPv6 Packet 5827 * 5828 * Settings not listed above will cause the sysctl to return an error. 5829 ************************************************************************/ 5830 static int 5831 ixgbe_sysctl_wufc(SYSCTLFN_ARGS) 5832 { 5833 struct sysctlnode node = *rnode; 5834 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5835 int error = 0; 5836 u32 new_wufc; 5837 5838 /* 5839 * It's not required to check recovery mode because this function never 5840 * touches hardware. 5841 */ 5842 new_wufc = adapter->wufc; 5843 node.sysctl_data = &new_wufc; 5844 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5845 if ((error) || (newp == NULL)) 5846 return (error); 5847 if (new_wufc == adapter->wufc) 5848 return (0); 5849 5850 if (new_wufc & 0xffffff00) 5851 return (EINVAL); 5852 5853 new_wufc &= 0xff; 5854 new_wufc |= (0xffffff & adapter->wufc); 5855 adapter->wufc = new_wufc; 5856 5857 return (0); 5858 } /* ixgbe_sysctl_wufc */ 5859 5860 #ifdef IXGBE_DEBUG 5861 /************************************************************************ 5862 * ixgbe_sysctl_print_rss_config 5863 ************************************************************************/ 5864 static int 5865 ixgbe_sysctl_print_rss_config(SYSCTLFN_ARGS) 5866 { 5867 #ifdef notyet 5868 struct sysctlnode node = *rnode; 5869 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5870 struct ixgbe_hw *hw = &adapter->hw; 5871 device_t dev = adapter->dev; 5872 struct sbuf *buf; 5873 int error = 0, reta_size; 5874 u32 reg; 5875 5876 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5877 return (EPERM); 5878 5879 buf = sbuf_new_for_sysctl(NULL, NULL, 128, req); 5880 if (!buf) { 5881 device_printf(dev, "Could not allocate sbuf for output.\n"); 5882 return (ENOMEM); 5883 } 5884 5885 // TODO: use sbufs to make a string to print out 5886 /* Set multiplier for RETA setup and table size based on MAC */ 5887 switch (adapter->hw.mac.type) { 5888 case ixgbe_mac_X550: 5889 case ixgbe_mac_X550EM_x: 5890 case ixgbe_mac_X550EM_a: 5891 reta_size = 128; 5892 break; 5893 default: 5894 reta_size = 32; 5895 break; 5896 } 5897 5898 /* Print out the redirection table */ 5899 sbuf_cat(buf, "\n"); 5900 for (int i = 0; i < reta_size; i++) { 5901 if (i < 32) { 5902 reg = IXGBE_READ_REG(hw, IXGBE_RETA(i)); 5903 sbuf_printf(buf, "RETA(%2d): 0x%08x\n", i, reg); 5904 } else { 5905 reg = IXGBE_READ_REG(hw, IXGBE_ERETA(i - 32)); 5906 sbuf_printf(buf, "ERETA(%2d): 0x%08x\n", i - 32, reg); 5907 } 5908 } 5909 5910 // TODO: print more config 5911 5912 error = sbuf_finish(buf); 5913 if (error) 5914 device_printf(dev, "Error finishing sbuf: %d\n", error); 5915 5916 sbuf_delete(buf); 5917 #endif 5918 return (0); 5919 } /* ixgbe_sysctl_print_rss_config */ 5920 #endif /* IXGBE_DEBUG */ 5921 5922 /************************************************************************ 5923 * ixgbe_sysctl_phy_temp - Retrieve temperature of PHY 5924 * 5925 * For X552/X557-AT devices using an external PHY 5926 ************************************************************************/ 5927 static int 5928 ixgbe_sysctl_phy_temp(SYSCTLFN_ARGS) 5929 { 5930 struct sysctlnode node = *rnode; 5931 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5932 struct ixgbe_hw *hw = &adapter->hw; 5933 int val; 5934 u16 reg; 5935 int error; 5936 5937 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5938 return (EPERM); 5939 5940 if (hw->device_id != IXGBE_DEV_ID_X550EM_X_10G_T) { 5941 device_printf(adapter->dev, 5942 "Device has no supported external thermal sensor.\n"); 5943 return (ENODEV); 5944 } 5945 5946 if (hw->phy.ops.read_reg(hw, IXGBE_PHY_CURRENT_TEMP, 5947 IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, ®)) { 5948 device_printf(adapter->dev, 5949 "Error reading from PHY's current temperature register\n"); 5950 return (EAGAIN); 5951 } 5952 5953 node.sysctl_data = &val; 5954 5955 /* Shift temp for output */ 5956 val = reg >> 8; 5957 5958 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5959 if ((error) || (newp == NULL)) 5960 return (error); 5961 5962 return (0); 5963 } /* ixgbe_sysctl_phy_temp */ 5964 5965 /************************************************************************ 5966 * ixgbe_sysctl_phy_overtemp_occurred 5967 * 5968 * Reports (directly from the PHY) whether the current PHY 5969 * temperature is over the overtemp threshold. 5970 ************************************************************************/ 5971 static int 5972 ixgbe_sysctl_phy_overtemp_occurred(SYSCTLFN_ARGS) 5973 { 5974 struct sysctlnode node = *rnode; 5975 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5976 struct ixgbe_hw *hw = &adapter->hw; 5977 int val, error; 5978 u16 reg; 5979 5980 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5981 return (EPERM); 5982 5983 if (hw->device_id != IXGBE_DEV_ID_X550EM_X_10G_T) { 5984 device_printf(adapter->dev, 5985 "Device has no supported external thermal sensor.\n"); 5986 return (ENODEV); 5987 } 5988 5989 if (hw->phy.ops.read_reg(hw, IXGBE_PHY_OVERTEMP_STATUS, 5990 IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, ®)) { 5991 device_printf(adapter->dev, 5992 "Error reading from PHY's temperature status register\n"); 5993 return (EAGAIN); 5994 } 5995 5996 node.sysctl_data = &val; 5997 5998 /* Get occurrence bit */ 5999 val = !!(reg & 0x4000); 6000 6001 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 6002 if ((error) || (newp == NULL)) 6003 return (error); 6004 6005 return (0); 6006 } /* ixgbe_sysctl_phy_overtemp_occurred */ 6007 6008 /************************************************************************ 6009 * ixgbe_sysctl_eee_state 6010 * 6011 * Sysctl to set EEE power saving feature 6012 * Values: 6013 * 0 - disable EEE 6014 * 1 - enable EEE 6015 * (none) - get current device EEE state 6016 ************************************************************************/ 6017 static int 6018 ixgbe_sysctl_eee_state(SYSCTLFN_ARGS) 6019 { 6020 struct sysctlnode node = *rnode; 6021 struct adapter *adapter = (struct adapter *)node.sysctl_data; 6022 struct ifnet *ifp = adapter->ifp; 6023 device_t dev = adapter->dev; 6024 int curr_eee, new_eee, error = 0; 6025 s32 retval; 6026 6027 if (ixgbe_fw_recovery_mode_swflag(adapter)) 6028 return (EPERM); 6029 6030 curr_eee = new_eee = !!(adapter->feat_en & IXGBE_FEATURE_EEE); 6031 node.sysctl_data = &new_eee; 6032 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 6033 if ((error) || (newp == NULL)) 6034 return (error); 6035 6036 /* Nothing to do */ 6037 if (new_eee == curr_eee) 6038 return (0); 6039 6040 /* Not supported */ 6041 if (!(adapter->feat_cap & IXGBE_FEATURE_EEE)) 6042 return (EINVAL); 6043 6044 /* Bounds checking */ 6045 if ((new_eee < 0) || (new_eee > 1)) 6046 return (EINVAL); 6047 6048 retval = ixgbe_setup_eee(&adapter->hw, new_eee); 6049 if (retval) { 6050 device_printf(dev, "Error in EEE setup: 0x%08X\n", retval); 6051 return (EINVAL); 6052 } 6053 6054 /* Restart auto-neg */ 6055 ifp->if_init(ifp); 6056 6057 device_printf(dev, "New EEE state: %d\n", new_eee); 6058 6059 /* Cache new value */ 6060 if (new_eee) 6061 adapter->feat_en |= IXGBE_FEATURE_EEE; 6062 else 6063 adapter->feat_en &= ~IXGBE_FEATURE_EEE; 6064 6065 return (error); 6066 } /* ixgbe_sysctl_eee_state */ 6067 6068 #define PRINTQS(adapter, regname) \ 6069 do { \ 6070 struct ixgbe_hw *_hw = &(adapter)->hw; \ 6071 int _i; \ 6072 \ 6073 printf("%s: %s", device_xname((adapter)->dev), #regname); \ 6074 for (_i = 0; _i < (adapter)->num_queues; _i++) { \ 6075 printf((_i == 0) ? "\t" : " "); \ 6076 printf("%08x", IXGBE_READ_REG(_hw, \ 6077 IXGBE_##regname(_i))); \ 6078 } \ 6079 printf("\n"); \ 6080 } while (0) 6081 6082 /************************************************************************ 6083 * ixgbe_print_debug_info 6084 * 6085 * Called only when em_display_debug_stats is enabled. 6086 * Provides a way to take a look at important statistics 6087 * maintained by the driver and hardware. 6088 ************************************************************************/ 6089 static void 6090 ixgbe_print_debug_info(struct adapter *adapter) 6091 { 6092 device_t dev = adapter->dev; 6093 struct ixgbe_hw *hw = &adapter->hw; 6094 int table_size; 6095 int i; 6096 6097 switch (adapter->hw.mac.type) { 6098 case ixgbe_mac_X550: 6099 case ixgbe_mac_X550EM_x: 6100 case ixgbe_mac_X550EM_a: 6101 table_size = 128; 6102 break; 6103 default: 6104 table_size = 32; 6105 break; 6106 } 6107 6108 device_printf(dev, "[E]RETA:\n"); 6109 for (i = 0; i < table_size; i++) { 6110 if (i < 32) 6111 printf("%02x: %08x\n", i, IXGBE_READ_REG(hw, 6112 IXGBE_RETA(i))); 6113 else 6114 printf("%02x: %08x\n", i, IXGBE_READ_REG(hw, 6115 IXGBE_ERETA(i - 32))); 6116 } 6117 6118 device_printf(dev, "queue:"); 6119 for (i = 0; i < adapter->num_queues; i++) { 6120 printf((i == 0) ? "\t" : " "); 6121 printf("%8d", i); 6122 } 6123 printf("\n"); 6124 PRINTQS(adapter, RDBAL); 6125 PRINTQS(adapter, RDBAH); 6126 PRINTQS(adapter, RDLEN); 6127 PRINTQS(adapter, SRRCTL); 6128 PRINTQS(adapter, RDH); 6129 PRINTQS(adapter, RDT); 6130 PRINTQS(adapter, RXDCTL); 6131 6132 device_printf(dev, "RQSMR:"); 6133 for (i = 0; i < adapter->num_queues / 4; i++) { 6134 printf((i == 0) ? "\t" : " "); 6135 printf("%08x", IXGBE_READ_REG(hw, IXGBE_RQSMR(i))); 6136 } 6137 printf("\n"); 6138 6139 device_printf(dev, "disabled_count:"); 6140 for (i = 0; i < adapter->num_queues; i++) { 6141 printf((i == 0) ? "\t" : " "); 6142 printf("%8d", adapter->queues[i].disabled_count); 6143 } 6144 printf("\n"); 6145 6146 device_printf(dev, "EIMS:\t%08x\n", IXGBE_READ_REG(hw, IXGBE_EIMS)); 6147 if (hw->mac.type != ixgbe_mac_82598EB) { 6148 device_printf(dev, "EIMS_EX(0):\t%08x\n", 6149 IXGBE_READ_REG(hw, IXGBE_EIMS_EX(0))); 6150 device_printf(dev, "EIMS_EX(1):\t%08x\n", 6151 IXGBE_READ_REG(hw, IXGBE_EIMS_EX(1))); 6152 } 6153 } /* ixgbe_print_debug_info */ 6154 6155 /************************************************************************ 6156 * ixgbe_sysctl_debug 6157 ************************************************************************/ 6158 static int 6159 ixgbe_sysctl_debug(SYSCTLFN_ARGS) 6160 { 6161 struct sysctlnode node = *rnode; 6162 struct adapter *adapter = (struct adapter *)node.sysctl_data; 6163 int error, result = 0; 6164 6165 if (ixgbe_fw_recovery_mode_swflag(adapter)) 6166 return (EPERM); 6167 6168 node.sysctl_data = &result; 6169 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 6170 6171 if (error || newp == NULL) 6172 return error; 6173 6174 if (result == 1) 6175 ixgbe_print_debug_info(adapter); 6176 6177 return 0; 6178 } /* ixgbe_sysctl_debug */ 6179 6180 /************************************************************************ 6181 * ixgbe_init_device_features 6182 ************************************************************************/ 6183 static void 6184 ixgbe_init_device_features(struct adapter *adapter) 6185 { 6186 adapter->feat_cap = IXGBE_FEATURE_NETMAP 6187 | IXGBE_FEATURE_RSS 6188 | IXGBE_FEATURE_MSI 6189 | IXGBE_FEATURE_MSIX 6190 | IXGBE_FEATURE_LEGACY_IRQ 6191 | IXGBE_FEATURE_LEGACY_TX; 6192 6193 /* Set capabilities first... */ 6194 switch (adapter->hw.mac.type) { 6195 case ixgbe_mac_82598EB: 6196 if (adapter->hw.device_id == IXGBE_DEV_ID_82598AT) 6197 adapter->feat_cap |= IXGBE_FEATURE_FAN_FAIL; 6198 break; 6199 case ixgbe_mac_X540: 6200 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 6201 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 6202 if ((adapter->hw.device_id == IXGBE_DEV_ID_X540_BYPASS) && 6203 (adapter->hw.bus.func == 0)) 6204 adapter->feat_cap |= IXGBE_FEATURE_BYPASS; 6205 break; 6206 case ixgbe_mac_X550: 6207 /* 6208 * IXGBE_FEATURE_RECOVERY_MODE will be set after reading 6209 * NVM Image version. 6210 */ 6211 adapter->feat_cap |= IXGBE_FEATURE_TEMP_SENSOR; 6212 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 6213 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 6214 break; 6215 case ixgbe_mac_X550EM_x: 6216 /* 6217 * IXGBE_FEATURE_RECOVERY_MODE will be set after reading 6218 * NVM Image version. 6219 */ 6220 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 6221 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 6222 break; 6223 case ixgbe_mac_X550EM_a: 6224 /* 6225 * IXGBE_FEATURE_RECOVERY_MODE will be set after reading 6226 * NVM Image version. 6227 */ 6228 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 6229 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 6230 adapter->feat_cap &= ~IXGBE_FEATURE_LEGACY_IRQ; 6231 if ((adapter->hw.device_id == IXGBE_DEV_ID_X550EM_A_1G_T) || 6232 (adapter->hw.device_id == IXGBE_DEV_ID_X550EM_A_1G_T_L)) { 6233 adapter->feat_cap |= IXGBE_FEATURE_TEMP_SENSOR; 6234 adapter->feat_cap |= IXGBE_FEATURE_EEE; 6235 } 6236 break; 6237 case ixgbe_mac_82599EB: 6238 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 6239 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 6240 if ((adapter->hw.device_id == IXGBE_DEV_ID_82599_BYPASS) && 6241 (adapter->hw.bus.func == 0)) 6242 adapter->feat_cap |= IXGBE_FEATURE_BYPASS; 6243 if (adapter->hw.device_id == IXGBE_DEV_ID_82599_QSFP_SF_QP) 6244 adapter->feat_cap &= ~IXGBE_FEATURE_LEGACY_IRQ; 6245 break; 6246 default: 6247 break; 6248 } 6249 6250 /* Enabled by default... */ 6251 /* Fan failure detection */ 6252 if (adapter->feat_cap & IXGBE_FEATURE_FAN_FAIL) 6253 adapter->feat_en |= IXGBE_FEATURE_FAN_FAIL; 6254 /* Netmap */ 6255 if (adapter->feat_cap & IXGBE_FEATURE_NETMAP) 6256 adapter->feat_en |= IXGBE_FEATURE_NETMAP; 6257 /* EEE */ 6258 if (adapter->feat_cap & IXGBE_FEATURE_EEE) 6259 adapter->feat_en |= IXGBE_FEATURE_EEE; 6260 /* Thermal Sensor */ 6261 if (adapter->feat_cap & IXGBE_FEATURE_TEMP_SENSOR) 6262 adapter->feat_en |= IXGBE_FEATURE_TEMP_SENSOR; 6263 /* 6264 * Recovery mode: 6265 * NetBSD: IXGBE_FEATURE_RECOVERY_MODE will be controlled after reading 6266 * NVM Image version. 6267 */ 6268 6269 /* Enabled via global sysctl... */ 6270 /* Flow Director */ 6271 if (ixgbe_enable_fdir) { 6272 if (adapter->feat_cap & IXGBE_FEATURE_FDIR) 6273 adapter->feat_en |= IXGBE_FEATURE_FDIR; 6274 else 6275 device_printf(adapter->dev, "Device does not support Flow Director. Leaving disabled."); 6276 } 6277 /* Legacy (single queue) transmit */ 6278 if ((adapter->feat_cap & IXGBE_FEATURE_LEGACY_TX) && 6279 ixgbe_enable_legacy_tx) 6280 adapter->feat_en |= IXGBE_FEATURE_LEGACY_TX; 6281 /* 6282 * Message Signal Interrupts - Extended (MSI-X) 6283 * Normal MSI is only enabled if MSI-X calls fail. 6284 */ 6285 if (!ixgbe_enable_msix) 6286 adapter->feat_cap &= ~IXGBE_FEATURE_MSIX; 6287 /* Receive-Side Scaling (RSS) */ 6288 if ((adapter->feat_cap & IXGBE_FEATURE_RSS) && ixgbe_enable_rss) 6289 adapter->feat_en |= IXGBE_FEATURE_RSS; 6290 6291 /* Disable features with unmet dependencies... */ 6292 /* No MSI-X */ 6293 if (!(adapter->feat_cap & IXGBE_FEATURE_MSIX)) { 6294 adapter->feat_cap &= ~IXGBE_FEATURE_RSS; 6295 adapter->feat_cap &= ~IXGBE_FEATURE_SRIOV; 6296 adapter->feat_en &= ~IXGBE_FEATURE_RSS; 6297 adapter->feat_en &= ~IXGBE_FEATURE_SRIOV; 6298 } 6299 } /* ixgbe_init_device_features */ 6300 6301 /************************************************************************ 6302 * ixgbe_probe - Device identification routine 6303 * 6304 * Determines if the driver should be loaded on 6305 * adapter based on its PCI vendor/device ID. 6306 * 6307 * return BUS_PROBE_DEFAULT on success, positive on failure 6308 ************************************************************************/ 6309 static int 6310 ixgbe_probe(device_t dev, cfdata_t cf, void *aux) 6311 { 6312 const struct pci_attach_args *pa = aux; 6313 6314 return (ixgbe_lookup(pa) != NULL) ? 1 : 0; 6315 } 6316 6317 static const ixgbe_vendor_info_t * 6318 ixgbe_lookup(const struct pci_attach_args *pa) 6319 { 6320 const ixgbe_vendor_info_t *ent; 6321 pcireg_t subid; 6322 6323 INIT_DEBUGOUT("ixgbe_lookup: begin"); 6324 6325 if (PCI_VENDOR(pa->pa_id) != IXGBE_INTEL_VENDOR_ID) 6326 return NULL; 6327 6328 subid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG); 6329 6330 for (ent = ixgbe_vendor_info_array; ent->vendor_id != 0; ent++) { 6331 if ((PCI_VENDOR(pa->pa_id) == ent->vendor_id) && 6332 (PCI_PRODUCT(pa->pa_id) == ent->device_id) && 6333 ((PCI_SUBSYS_VENDOR(subid) == ent->subvendor_id) || 6334 (ent->subvendor_id == 0)) && 6335 ((PCI_SUBSYS_ID(subid) == ent->subdevice_id) || 6336 (ent->subdevice_id == 0))) { 6337 return ent; 6338 } 6339 } 6340 return NULL; 6341 } 6342 6343 static int 6344 ixgbe_ifflags_cb(struct ethercom *ec) 6345 { 6346 struct ifnet *ifp = &ec->ec_if; 6347 struct adapter *adapter = ifp->if_softc; 6348 u_short change; 6349 int rv = 0; 6350 6351 IXGBE_CORE_LOCK(adapter); 6352 6353 change = ifp->if_flags ^ adapter->if_flags; 6354 if (change != 0) 6355 adapter->if_flags = ifp->if_flags; 6356 6357 if ((change & ~(IFF_CANTCHANGE | IFF_DEBUG)) != 0) { 6358 rv = ENETRESET; 6359 goto out; 6360 } else if ((change & IFF_PROMISC) != 0) 6361 ixgbe_set_rxfilter(adapter); 6362 6363 /* Check for ec_capenable. */ 6364 change = ec->ec_capenable ^ adapter->ec_capenable; 6365 adapter->ec_capenable = ec->ec_capenable; 6366 if ((change & ~(ETHERCAP_VLAN_MTU | ETHERCAP_VLAN_HWTAGGING 6367 | ETHERCAP_VLAN_HWFILTER)) != 0) { 6368 rv = ENETRESET; 6369 goto out; 6370 } 6371 6372 /* 6373 * Special handling is not required for ETHERCAP_VLAN_MTU. 6374 * MAXFRS(MHADD) does not include the 4bytes of the VLAN header. 6375 */ 6376 6377 /* Set up VLAN support and filter */ 6378 if ((change & (ETHERCAP_VLAN_HWTAGGING | ETHERCAP_VLAN_HWFILTER)) != 0) 6379 ixgbe_setup_vlan_hw_support(adapter); 6380 6381 out: 6382 IXGBE_CORE_UNLOCK(adapter); 6383 6384 return rv; 6385 } 6386 6387 /************************************************************************ 6388 * ixgbe_ioctl - Ioctl entry point 6389 * 6390 * Called when the user wants to configure the interface. 6391 * 6392 * return 0 on success, positive on failure 6393 ************************************************************************/ 6394 static int 6395 ixgbe_ioctl(struct ifnet *ifp, u_long command, void *data) 6396 { 6397 struct adapter *adapter = ifp->if_softc; 6398 struct ixgbe_hw *hw = &adapter->hw; 6399 struct ifcapreq *ifcr = data; 6400 struct ifreq *ifr = data; 6401 int error = 0; 6402 int l4csum_en; 6403 const int l4csum = IFCAP_CSUM_TCPv4_Rx | IFCAP_CSUM_UDPv4_Rx | 6404 IFCAP_CSUM_TCPv6_Rx | IFCAP_CSUM_UDPv6_Rx; 6405 6406 if (ixgbe_fw_recovery_mode_swflag(adapter)) 6407 return (EPERM); 6408 6409 switch (command) { 6410 case SIOCSIFFLAGS: 6411 IOCTL_DEBUGOUT("ioctl: SIOCSIFFLAGS (Set Interface Flags)"); 6412 break; 6413 case SIOCADDMULTI: 6414 case SIOCDELMULTI: 6415 IOCTL_DEBUGOUT("ioctl: SIOC(ADD|DEL)MULTI"); 6416 break; 6417 case SIOCSIFMEDIA: 6418 case SIOCGIFMEDIA: 6419 IOCTL_DEBUGOUT("ioctl: SIOCxIFMEDIA (Get/Set Interface Media)"); 6420 break; 6421 case SIOCSIFCAP: 6422 IOCTL_DEBUGOUT("ioctl: SIOCSIFCAP (Set Capabilities)"); 6423 break; 6424 case SIOCSIFMTU: 6425 IOCTL_DEBUGOUT("ioctl: SIOCSIFMTU (Set Interface MTU)"); 6426 break; 6427 #ifdef __NetBSD__ 6428 case SIOCINITIFADDR: 6429 IOCTL_DEBUGOUT("ioctl: SIOCINITIFADDR"); 6430 break; 6431 case SIOCGIFFLAGS: 6432 IOCTL_DEBUGOUT("ioctl: SIOCGIFFLAGS"); 6433 break; 6434 case SIOCGIFAFLAG_IN: 6435 IOCTL_DEBUGOUT("ioctl: SIOCGIFAFLAG_IN"); 6436 break; 6437 case SIOCGIFADDR: 6438 IOCTL_DEBUGOUT("ioctl: SIOCGIFADDR"); 6439 break; 6440 case SIOCGIFMTU: 6441 IOCTL_DEBUGOUT("ioctl: SIOCGIFMTU (Get Interface MTU)"); 6442 break; 6443 case SIOCGIFCAP: 6444 IOCTL_DEBUGOUT("ioctl: SIOCGIFCAP (Get IF cap)"); 6445 break; 6446 case SIOCGETHERCAP: 6447 IOCTL_DEBUGOUT("ioctl: SIOCGETHERCAP (Get ethercap)"); 6448 break; 6449 case SIOCGLIFADDR: 6450 IOCTL_DEBUGOUT("ioctl: SIOCGLIFADDR (Get Interface addr)"); 6451 break; 6452 case SIOCZIFDATA: 6453 IOCTL_DEBUGOUT("ioctl: SIOCZIFDATA (Zero counter)"); 6454 hw->mac.ops.clear_hw_cntrs(hw); 6455 ixgbe_clear_evcnt(adapter); 6456 break; 6457 case SIOCAIFADDR: 6458 IOCTL_DEBUGOUT("ioctl: SIOCAIFADDR (add/chg IF alias)"); 6459 break; 6460 #endif 6461 default: 6462 IOCTL_DEBUGOUT1("ioctl: UNKNOWN (0x%X)", (int)command); 6463 break; 6464 } 6465 6466 switch (command) { 6467 case SIOCGI2C: 6468 { 6469 struct ixgbe_i2c_req i2c; 6470 6471 IOCTL_DEBUGOUT("ioctl: SIOCGI2C (Get I2C Data)"); 6472 error = copyin(ifr->ifr_data, &i2c, sizeof(i2c)); 6473 if (error != 0) 6474 break; 6475 if (i2c.dev_addr != 0xA0 && i2c.dev_addr != 0xA2) { 6476 error = EINVAL; 6477 break; 6478 } 6479 if (i2c.len > sizeof(i2c.data)) { 6480 error = EINVAL; 6481 break; 6482 } 6483 6484 hw->phy.ops.read_i2c_byte(hw, i2c.offset, 6485 i2c.dev_addr, i2c.data); 6486 error = copyout(&i2c, ifr->ifr_data, sizeof(i2c)); 6487 break; 6488 } 6489 case SIOCSIFCAP: 6490 /* Layer-4 Rx checksum offload has to be turned on and 6491 * off as a unit. 6492 */ 6493 l4csum_en = ifcr->ifcr_capenable & l4csum; 6494 if (l4csum_en != l4csum && l4csum_en != 0) 6495 return EINVAL; 6496 /*FALLTHROUGH*/ 6497 case SIOCADDMULTI: 6498 case SIOCDELMULTI: 6499 case SIOCSIFFLAGS: 6500 case SIOCSIFMTU: 6501 default: 6502 if ((error = ether_ioctl(ifp, command, data)) != ENETRESET) 6503 return error; 6504 if ((ifp->if_flags & IFF_RUNNING) == 0) 6505 ; 6506 else if (command == SIOCSIFCAP || command == SIOCSIFMTU) { 6507 IXGBE_CORE_LOCK(adapter); 6508 if ((ifp->if_flags & IFF_RUNNING) != 0) 6509 ixgbe_init_locked(adapter); 6510 ixgbe_recalculate_max_frame(adapter); 6511 IXGBE_CORE_UNLOCK(adapter); 6512 } else if (command == SIOCADDMULTI || command == SIOCDELMULTI) { 6513 /* 6514 * Multicast list has changed; set the hardware filter 6515 * accordingly. 6516 */ 6517 IXGBE_CORE_LOCK(adapter); 6518 ixgbe_disable_intr(adapter); 6519 ixgbe_set_rxfilter(adapter); 6520 ixgbe_enable_intr(adapter); 6521 IXGBE_CORE_UNLOCK(adapter); 6522 } 6523 return 0; 6524 } 6525 6526 return error; 6527 } /* ixgbe_ioctl */ 6528 6529 /************************************************************************ 6530 * ixgbe_check_fan_failure 6531 ************************************************************************/ 6532 static void 6533 ixgbe_check_fan_failure(struct adapter *adapter, u32 reg, bool in_interrupt) 6534 { 6535 u32 mask; 6536 6537 mask = (in_interrupt) ? IXGBE_EICR_GPI_SDP1_BY_MAC(&adapter->hw) : 6538 IXGBE_ESDP_SDP1; 6539 6540 if (reg & mask) 6541 device_printf(adapter->dev, "\nCRITICAL: FAN FAILURE!! REPLACE IMMEDIATELY!!\n"); 6542 } /* ixgbe_check_fan_failure */ 6543 6544 /************************************************************************ 6545 * ixgbe_handle_que 6546 ************************************************************************/ 6547 static void 6548 ixgbe_handle_que(void *context) 6549 { 6550 struct ix_queue *que = context; 6551 struct adapter *adapter = que->adapter; 6552 struct tx_ring *txr = que->txr; 6553 struct ifnet *ifp = adapter->ifp; 6554 bool more = false; 6555 6556 que->handleq.ev_count++; 6557 6558 if (ifp->if_flags & IFF_RUNNING) { 6559 more = ixgbe_rxeof(que); 6560 IXGBE_TX_LOCK(txr); 6561 more |= ixgbe_txeof(txr); 6562 if (!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX)) 6563 if (!ixgbe_mq_ring_empty(ifp, txr->txr_interq)) 6564 ixgbe_mq_start_locked(ifp, txr); 6565 /* Only for queue 0 */ 6566 /* NetBSD still needs this for CBQ */ 6567 if ((&adapter->queues[0] == que) 6568 && (!ixgbe_legacy_ring_empty(ifp, NULL))) 6569 ixgbe_legacy_start_locked(ifp, txr); 6570 IXGBE_TX_UNLOCK(txr); 6571 } 6572 6573 if (more) { 6574 que->req.ev_count++; 6575 ixgbe_sched_handle_que(adapter, que); 6576 } else if (que->res != NULL) { 6577 /* Re-enable this interrupt */ 6578 ixgbe_enable_queue(adapter, que->msix); 6579 } else 6580 ixgbe_enable_intr(adapter); 6581 6582 return; 6583 } /* ixgbe_handle_que */ 6584 6585 /************************************************************************ 6586 * ixgbe_handle_que_work 6587 ************************************************************************/ 6588 static void 6589 ixgbe_handle_que_work(struct work *wk, void *context) 6590 { 6591 struct ix_queue *que = container_of(wk, struct ix_queue, wq_cookie); 6592 6593 /* 6594 * "enqueued flag" is not required here. 6595 * See ixgbe_msix_que(). 6596 */ 6597 ixgbe_handle_que(que); 6598 } 6599 6600 /************************************************************************ 6601 * ixgbe_allocate_legacy - Setup the Legacy or MSI Interrupt handler 6602 ************************************************************************/ 6603 static int 6604 ixgbe_allocate_legacy(struct adapter *adapter, 6605 const struct pci_attach_args *pa) 6606 { 6607 device_t dev = adapter->dev; 6608 struct ix_queue *que = adapter->queues; 6609 struct tx_ring *txr = adapter->tx_rings; 6610 int counts[PCI_INTR_TYPE_SIZE]; 6611 pci_intr_type_t intr_type, max_type; 6612 char intrbuf[PCI_INTRSTR_LEN]; 6613 char wqname[MAXCOMLEN]; 6614 const char *intrstr = NULL; 6615 int defertx_error = 0, error; 6616 6617 /* We allocate a single interrupt resource */ 6618 max_type = PCI_INTR_TYPE_MSI; 6619 counts[PCI_INTR_TYPE_MSIX] = 0; 6620 counts[PCI_INTR_TYPE_MSI] = 6621 (adapter->feat_en & IXGBE_FEATURE_MSI) ? 1 : 0; 6622 /* Check not feat_en but feat_cap to fallback to INTx */ 6623 counts[PCI_INTR_TYPE_INTX] = 6624 (adapter->feat_cap & IXGBE_FEATURE_LEGACY_IRQ) ? 1 : 0; 6625 6626 alloc_retry: 6627 if (pci_intr_alloc(pa, &adapter->osdep.intrs, counts, max_type) != 0) { 6628 aprint_error_dev(dev, "couldn't alloc interrupt\n"); 6629 return ENXIO; 6630 } 6631 adapter->osdep.nintrs = 1; 6632 intrstr = pci_intr_string(adapter->osdep.pc, adapter->osdep.intrs[0], 6633 intrbuf, sizeof(intrbuf)); 6634 adapter->osdep.ihs[0] = pci_intr_establish_xname(adapter->osdep.pc, 6635 adapter->osdep.intrs[0], IPL_NET, ixgbe_legacy_irq, que, 6636 device_xname(dev)); 6637 intr_type = pci_intr_type(adapter->osdep.pc, adapter->osdep.intrs[0]); 6638 if (adapter->osdep.ihs[0] == NULL) { 6639 aprint_error_dev(dev,"unable to establish %s\n", 6640 (intr_type == PCI_INTR_TYPE_MSI) ? "MSI" : "INTx"); 6641 pci_intr_release(adapter->osdep.pc, adapter->osdep.intrs, 1); 6642 adapter->osdep.intrs = NULL; 6643 switch (intr_type) { 6644 case PCI_INTR_TYPE_MSI: 6645 /* The next try is for INTx: Disable MSI */ 6646 max_type = PCI_INTR_TYPE_INTX; 6647 counts[PCI_INTR_TYPE_INTX] = 1; 6648 adapter->feat_en &= ~IXGBE_FEATURE_MSI; 6649 if (adapter->feat_cap & IXGBE_FEATURE_LEGACY_IRQ) { 6650 adapter->feat_en |= IXGBE_FEATURE_LEGACY_IRQ; 6651 goto alloc_retry; 6652 } else 6653 break; 6654 case PCI_INTR_TYPE_INTX: 6655 default: 6656 /* See below */ 6657 break; 6658 } 6659 } 6660 if (intr_type == PCI_INTR_TYPE_INTX) { 6661 adapter->feat_en &= ~IXGBE_FEATURE_MSI; 6662 adapter->feat_en |= IXGBE_FEATURE_LEGACY_IRQ; 6663 } 6664 if (adapter->osdep.ihs[0] == NULL) { 6665 aprint_error_dev(dev, 6666 "couldn't establish interrupt%s%s\n", 6667 intrstr ? " at " : "", intrstr ? intrstr : ""); 6668 pci_intr_release(adapter->osdep.pc, adapter->osdep.intrs, 1); 6669 adapter->osdep.intrs = NULL; 6670 return ENXIO; 6671 } 6672 aprint_normal_dev(dev, "interrupting at %s\n", intrstr); 6673 /* 6674 * Try allocating a fast interrupt and the associated deferred 6675 * processing contexts. 6676 */ 6677 if (!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX)) { 6678 txr->txr_si = 6679 softint_establish(SOFTINT_NET | IXGBE_SOFTINT_FLAGS, 6680 ixgbe_deferred_mq_start, txr); 6681 6682 snprintf(wqname, sizeof(wqname), "%sdeferTx", device_xname(dev)); 6683 defertx_error = workqueue_create(&adapter->txr_wq, wqname, 6684 ixgbe_deferred_mq_start_work, adapter, IXGBE_WORKQUEUE_PRI, 6685 IPL_NET, IXGBE_WORKQUEUE_FLAGS); 6686 adapter->txr_wq_enqueued = percpu_alloc(sizeof(u_int)); 6687 } 6688 que->que_si = softint_establish(SOFTINT_NET | IXGBE_SOFTINT_FLAGS, 6689 ixgbe_handle_que, que); 6690 snprintf(wqname, sizeof(wqname), "%sTxRx", device_xname(dev)); 6691 error = workqueue_create(&adapter->que_wq, wqname, 6692 ixgbe_handle_que_work, adapter, IXGBE_WORKQUEUE_PRI, IPL_NET, 6693 IXGBE_WORKQUEUE_FLAGS); 6694 6695 if ((!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX) 6696 && ((txr->txr_si == NULL) || defertx_error != 0)) 6697 || (que->que_si == NULL) || error != 0) { 6698 aprint_error_dev(dev, 6699 "could not establish software interrupts\n"); 6700 6701 return ENXIO; 6702 } 6703 /* For simplicity in the handlers */ 6704 adapter->active_queues = IXGBE_EIMS_ENABLE_MASK; 6705 6706 return (0); 6707 } /* ixgbe_allocate_legacy */ 6708 6709 /************************************************************************ 6710 * ixgbe_allocate_msix - Setup MSI-X Interrupt resources and handlers 6711 ************************************************************************/ 6712 static int 6713 ixgbe_allocate_msix(struct adapter *adapter, const struct pci_attach_args *pa) 6714 { 6715 device_t dev = adapter->dev; 6716 struct ix_queue *que = adapter->queues; 6717 struct tx_ring *txr = adapter->tx_rings; 6718 pci_chipset_tag_t pc; 6719 char intrbuf[PCI_INTRSTR_LEN]; 6720 char intr_xname[32]; 6721 char wqname[MAXCOMLEN]; 6722 const char *intrstr = NULL; 6723 int error, vector = 0; 6724 int cpu_id = 0; 6725 kcpuset_t *affinity; 6726 #ifdef RSS 6727 unsigned int rss_buckets = 0; 6728 kcpuset_t cpu_mask; 6729 #endif 6730 6731 pc = adapter->osdep.pc; 6732 #ifdef RSS 6733 /* 6734 * If we're doing RSS, the number of queues needs to 6735 * match the number of RSS buckets that are configured. 6736 * 6737 * + If there's more queues than RSS buckets, we'll end 6738 * up with queues that get no traffic. 6739 * 6740 * + If there's more RSS buckets than queues, we'll end 6741 * up having multiple RSS buckets map to the same queue, 6742 * so there'll be some contention. 6743 */ 6744 rss_buckets = rss_getnumbuckets(); 6745 if ((adapter->feat_en & IXGBE_FEATURE_RSS) && 6746 (adapter->num_queues != rss_buckets)) { 6747 device_printf(dev, 6748 "%s: number of queues (%d) != number of RSS buckets (%d)" 6749 "; performance will be impacted.\n", 6750 __func__, adapter->num_queues, rss_buckets); 6751 } 6752 #endif 6753 6754 adapter->osdep.nintrs = adapter->num_queues + 1; 6755 if (pci_msix_alloc_exact(pa, &adapter->osdep.intrs, 6756 adapter->osdep.nintrs) != 0) { 6757 aprint_error_dev(dev, 6758 "failed to allocate MSI-X interrupt\n"); 6759 return (ENXIO); 6760 } 6761 6762 kcpuset_create(&affinity, false); 6763 for (int i = 0; i < adapter->num_queues; i++, vector++, que++, txr++) { 6764 snprintf(intr_xname, sizeof(intr_xname), "%s TXRX%d", 6765 device_xname(dev), i); 6766 intrstr = pci_intr_string(pc, adapter->osdep.intrs[i], intrbuf, 6767 sizeof(intrbuf)); 6768 #ifdef IXGBE_MPSAFE 6769 pci_intr_setattr(pc, &adapter->osdep.intrs[i], PCI_INTR_MPSAFE, 6770 true); 6771 #endif 6772 /* Set the handler function */ 6773 que->res = adapter->osdep.ihs[i] = pci_intr_establish_xname(pc, 6774 adapter->osdep.intrs[i], IPL_NET, ixgbe_msix_que, que, 6775 intr_xname); 6776 if (que->res == NULL) { 6777 aprint_error_dev(dev, 6778 "Failed to register QUE handler\n"); 6779 error = ENXIO; 6780 goto err_out; 6781 } 6782 que->msix = vector; 6783 adapter->active_queues |= 1ULL << que->msix; 6784 6785 if (adapter->feat_en & IXGBE_FEATURE_RSS) { 6786 #ifdef RSS 6787 /* 6788 * The queue ID is used as the RSS layer bucket ID. 6789 * We look up the queue ID -> RSS CPU ID and select 6790 * that. 6791 */ 6792 cpu_id = rss_getcpu(i % rss_getnumbuckets()); 6793 CPU_SETOF(cpu_id, &cpu_mask); 6794 #endif 6795 } else { 6796 /* 6797 * Bind the MSI-X vector, and thus the 6798 * rings to the corresponding CPU. 6799 * 6800 * This just happens to match the default RSS 6801 * round-robin bucket -> queue -> CPU allocation. 6802 */ 6803 if (adapter->num_queues > 1) 6804 cpu_id = i; 6805 } 6806 /* Round-robin affinity */ 6807 kcpuset_zero(affinity); 6808 kcpuset_set(affinity, cpu_id % ncpu); 6809 error = interrupt_distribute(adapter->osdep.ihs[i], affinity, 6810 NULL); 6811 aprint_normal_dev(dev, "for TX/RX, interrupting at %s", 6812 intrstr); 6813 if (error == 0) { 6814 #if 1 /* def IXGBE_DEBUG */ 6815 #ifdef RSS 6816 aprintf_normal(", bound RSS bucket %d to CPU %d", i, 6817 cpu_id % ncpu); 6818 #else 6819 aprint_normal(", bound queue %d to cpu %d", i, 6820 cpu_id % ncpu); 6821 #endif 6822 #endif /* IXGBE_DEBUG */ 6823 } 6824 aprint_normal("\n"); 6825 6826 if (!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX)) { 6827 txr->txr_si = softint_establish( 6828 SOFTINT_NET | IXGBE_SOFTINT_FLAGS, 6829 ixgbe_deferred_mq_start, txr); 6830 if (txr->txr_si == NULL) { 6831 aprint_error_dev(dev, 6832 "couldn't establish software interrupt\n"); 6833 error = ENXIO; 6834 goto err_out; 6835 } 6836 } 6837 que->que_si 6838 = softint_establish(SOFTINT_NET | IXGBE_SOFTINT_FLAGS, 6839 ixgbe_handle_que, que); 6840 if (que->que_si == NULL) { 6841 aprint_error_dev(dev, 6842 "couldn't establish software interrupt\n"); 6843 error = ENXIO; 6844 goto err_out; 6845 } 6846 } 6847 snprintf(wqname, sizeof(wqname), "%sdeferTx", device_xname(dev)); 6848 error = workqueue_create(&adapter->txr_wq, wqname, 6849 ixgbe_deferred_mq_start_work, adapter, IXGBE_WORKQUEUE_PRI, IPL_NET, 6850 IXGBE_WORKQUEUE_FLAGS); 6851 if (error) { 6852 aprint_error_dev(dev, "couldn't create workqueue for deferred Tx\n"); 6853 goto err_out; 6854 } 6855 adapter->txr_wq_enqueued = percpu_alloc(sizeof(u_int)); 6856 6857 snprintf(wqname, sizeof(wqname), "%sTxRx", device_xname(dev)); 6858 error = workqueue_create(&adapter->que_wq, wqname, 6859 ixgbe_handle_que_work, adapter, IXGBE_WORKQUEUE_PRI, IPL_NET, 6860 IXGBE_WORKQUEUE_FLAGS); 6861 if (error) { 6862 aprint_error_dev(dev, "couldn't create workqueue for Tx/Rx\n"); 6863 goto err_out; 6864 } 6865 6866 /* and Link */ 6867 cpu_id++; 6868 snprintf(intr_xname, sizeof(intr_xname), "%s link", device_xname(dev)); 6869 adapter->vector = vector; 6870 intrstr = pci_intr_string(pc, adapter->osdep.intrs[vector], intrbuf, 6871 sizeof(intrbuf)); 6872 #ifdef IXGBE_MPSAFE 6873 pci_intr_setattr(pc, &adapter->osdep.intrs[vector], PCI_INTR_MPSAFE, 6874 true); 6875 #endif 6876 /* Set the link handler function */ 6877 adapter->osdep.ihs[vector] = pci_intr_establish_xname(pc, 6878 adapter->osdep.intrs[vector], IPL_NET, ixgbe_msix_admin, adapter, 6879 intr_xname); 6880 if (adapter->osdep.ihs[vector] == NULL) { 6881 aprint_error_dev(dev, "Failed to register LINK handler\n"); 6882 error = ENXIO; 6883 goto err_out; 6884 } 6885 /* Round-robin affinity */ 6886 kcpuset_zero(affinity); 6887 kcpuset_set(affinity, cpu_id % ncpu); 6888 error = interrupt_distribute(adapter->osdep.ihs[vector], affinity, 6889 NULL); 6890 6891 aprint_normal_dev(dev, 6892 "for link, interrupting at %s", intrstr); 6893 if (error == 0) 6894 aprint_normal(", affinity to cpu %d\n", cpu_id % ncpu); 6895 else 6896 aprint_normal("\n"); 6897 6898 kcpuset_destroy(affinity); 6899 aprint_normal_dev(dev, 6900 "Using MSI-X interrupts with %d vectors\n", vector + 1); 6901 6902 return (0); 6903 6904 err_out: 6905 kcpuset_destroy(affinity); 6906 ixgbe_free_deferred_handlers(adapter); 6907 ixgbe_free_pciintr_resources(adapter); 6908 return (error); 6909 } /* ixgbe_allocate_msix */ 6910 6911 /************************************************************************ 6912 * ixgbe_configure_interrupts 6913 * 6914 * Setup MSI-X, MSI, or legacy interrupts (in that order). 6915 * This will also depend on user settings. 6916 ************************************************************************/ 6917 static int 6918 ixgbe_configure_interrupts(struct adapter *adapter) 6919 { 6920 device_t dev = adapter->dev; 6921 struct ixgbe_mac_info *mac = &adapter->hw.mac; 6922 int want, queues, msgs; 6923 6924 /* Default to 1 queue if MSI-X setup fails */ 6925 adapter->num_queues = 1; 6926 6927 /* Override by tuneable */ 6928 if (!(adapter->feat_cap & IXGBE_FEATURE_MSIX)) 6929 goto msi; 6930 6931 /* 6932 * NetBSD only: Use single vector MSI when number of CPU is 1 to save 6933 * interrupt slot. 6934 */ 6935 if (ncpu == 1) 6936 goto msi; 6937 6938 /* First try MSI-X */ 6939 msgs = pci_msix_count(adapter->osdep.pc, adapter->osdep.tag); 6940 msgs = MIN(msgs, IXG_MAX_NINTR); 6941 if (msgs < 2) 6942 goto msi; 6943 6944 adapter->msix_mem = (void *)1; /* XXX */ 6945 6946 /* Figure out a reasonable auto config value */ 6947 queues = (ncpu > (msgs - 1)) ? (msgs - 1) : ncpu; 6948 6949 #ifdef RSS 6950 /* If we're doing RSS, clamp at the number of RSS buckets */ 6951 if (adapter->feat_en & IXGBE_FEATURE_RSS) 6952 queues = uimin(queues, rss_getnumbuckets()); 6953 #endif 6954 if (ixgbe_num_queues > queues) { 6955 aprint_error_dev(adapter->dev, "ixgbe_num_queues (%d) is too large, using reduced amount (%d).\n", ixgbe_num_queues, queues); 6956 ixgbe_num_queues = queues; 6957 } 6958 6959 if (ixgbe_num_queues != 0) 6960 queues = ixgbe_num_queues; 6961 else 6962 queues = uimin(queues, 6963 uimin(mac->max_tx_queues, mac->max_rx_queues)); 6964 6965 /* reflect correct sysctl value */ 6966 ixgbe_num_queues = queues; 6967 6968 /* 6969 * Want one vector (RX/TX pair) per queue 6970 * plus an additional for Link. 6971 */ 6972 want = queues + 1; 6973 if (msgs >= want) 6974 msgs = want; 6975 else { 6976 aprint_error_dev(dev, "MSI-X Configuration Problem, " 6977 "%d vectors but %d queues wanted!\n", 6978 msgs, want); 6979 goto msi; 6980 } 6981 adapter->num_queues = queues; 6982 adapter->feat_en |= IXGBE_FEATURE_MSIX; 6983 return (0); 6984 6985 /* 6986 * MSI-X allocation failed or provided us with 6987 * less vectors than needed. Free MSI-X resources 6988 * and we'll try enabling MSI. 6989 */ 6990 msi: 6991 /* Without MSI-X, some features are no longer supported */ 6992 adapter->feat_cap &= ~IXGBE_FEATURE_RSS; 6993 adapter->feat_en &= ~IXGBE_FEATURE_RSS; 6994 adapter->feat_cap &= ~IXGBE_FEATURE_SRIOV; 6995 adapter->feat_en &= ~IXGBE_FEATURE_SRIOV; 6996 6997 msgs = pci_msi_count(adapter->osdep.pc, adapter->osdep.tag); 6998 adapter->msix_mem = NULL; /* XXX */ 6999 if (msgs > 1) 7000 msgs = 1; 7001 if (msgs != 0) { 7002 msgs = 1; 7003 adapter->feat_en |= IXGBE_FEATURE_MSI; 7004 return (0); 7005 } 7006 7007 if (!(adapter->feat_cap & IXGBE_FEATURE_LEGACY_IRQ)) { 7008 aprint_error_dev(dev, 7009 "Device does not support legacy interrupts.\n"); 7010 return 1; 7011 } 7012 7013 adapter->feat_en |= IXGBE_FEATURE_LEGACY_IRQ; 7014 7015 return (0); 7016 } /* ixgbe_configure_interrupts */ 7017 7018 7019 /************************************************************************ 7020 * ixgbe_handle_link - Tasklet for MSI-X Link interrupts 7021 * 7022 * Done outside of interrupt context since the driver might sleep 7023 ************************************************************************/ 7024 static void 7025 ixgbe_handle_link(void *context) 7026 { 7027 struct adapter *adapter = context; 7028 struct ixgbe_hw *hw = &adapter->hw; 7029 7030 KASSERT(mutex_owned(&adapter->core_mtx)); 7031 7032 ++adapter->link_workev.ev_count; 7033 ixgbe_check_link(hw, &adapter->link_speed, &adapter->link_up, 0); 7034 ixgbe_update_link_status(adapter); 7035 7036 /* Re-enable link interrupts */ 7037 IXGBE_WRITE_REG(hw, IXGBE_EIMS, IXGBE_EIMS_LSC); 7038 } /* ixgbe_handle_link */ 7039 7040 #if 0 7041 /************************************************************************ 7042 * ixgbe_rearm_queues 7043 ************************************************************************/ 7044 static __inline void 7045 ixgbe_rearm_queues(struct adapter *adapter, u64 queues) 7046 { 7047 u32 mask; 7048 7049 switch (adapter->hw.mac.type) { 7050 case ixgbe_mac_82598EB: 7051 mask = (IXGBE_EIMS_RTX_QUEUE & queues); 7052 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS, mask); 7053 break; 7054 case ixgbe_mac_82599EB: 7055 case ixgbe_mac_X540: 7056 case ixgbe_mac_X550: 7057 case ixgbe_mac_X550EM_x: 7058 case ixgbe_mac_X550EM_a: 7059 mask = (queues & 0xFFFFFFFF); 7060 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS_EX(0), mask); 7061 mask = (queues >> 32); 7062 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS_EX(1), mask); 7063 break; 7064 default: 7065 break; 7066 } 7067 } /* ixgbe_rearm_queues */ 7068 #endif 7069
Indexes created Tue Sep 30 10:09:55 GMT 2025