ixgbe.c revision 1.169
1 /* $NetBSD: ixgbe.c,v 1.169 2018/12/06 13:25:02 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_sriov.h" 74 #include "vlan.h" 75 76 #include <sys/cprng.h> 77 #include <dev/mii/mii.h> 78 #include <dev/mii/miivar.h> 79 80 /************************************************************************ 81 * Driver version 82 ************************************************************************/ 83 static const char ixgbe_driver_version[] = "4.0.1-k"; 84 /* XXX NetBSD: + 3.3.6 */ 85 86 /************************************************************************ 87 * PCI Device ID Table 88 * 89 * Used by probe to select devices to load on 90 * Last field stores an index into ixgbe_strings 91 * Last entry must be all 0s 92 * 93 * { Vendor ID, Device ID, SubVendor ID, SubDevice ID, String Index } 94 ************************************************************************/ 95 static const ixgbe_vendor_info_t ixgbe_vendor_info_array[] = 96 { 97 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598AF_DUAL_PORT, 0, 0, 0}, 98 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598AF_SINGLE_PORT, 0, 0, 0}, 99 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598EB_CX4, 0, 0, 0}, 100 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598AT, 0, 0, 0}, 101 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598AT2, 0, 0, 0}, 102 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598, 0, 0, 0}, 103 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598_DA_DUAL_PORT, 0, 0, 0}, 104 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598_CX4_DUAL_PORT, 0, 0, 0}, 105 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598EB_XF_LR, 0, 0, 0}, 106 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598_SR_DUAL_PORT_EM, 0, 0, 0}, 107 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598EB_SFP_LOM, 0, 0, 0}, 108 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_KX4, 0, 0, 0}, 109 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_KX4_MEZZ, 0, 0, 0}, 110 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_SFP, 0, 0, 0}, 111 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_XAUI_LOM, 0, 0, 0}, 112 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_CX4, 0, 0, 0}, 113 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_T3_LOM, 0, 0, 0}, 114 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_COMBO_BACKPLANE, 0, 0, 0}, 115 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_BACKPLANE_FCOE, 0, 0, 0}, 116 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_SFP_SF2, 0, 0, 0}, 117 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_SFP_FCOE, 0, 0, 0}, 118 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599EN_SFP, 0, 0, 0}, 119 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_SFP_SF_QP, 0, 0, 0}, 120 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_QSFP_SF_QP, 0, 0, 0}, 121 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X540T, 0, 0, 0}, 122 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X540T1, 0, 0, 0}, 123 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550T, 0, 0, 0}, 124 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550T1, 0, 0, 0}, 125 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_KR, 0, 0, 0}, 126 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_KX4, 0, 0, 0}, 127 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_10G_T, 0, 0, 0}, 128 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_1G_T, 0, 0, 0}, 129 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_SFP, 0, 0, 0}, 130 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_KR, 0, 0, 0}, 131 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_KR_L, 0, 0, 0}, 132 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_SFP, 0, 0, 0}, 133 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_SFP_N, 0, 0, 0}, 134 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_SGMII, 0, 0, 0}, 135 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_SGMII_L, 0, 0, 0}, 136 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_10G_T, 0, 0, 0}, 137 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_1G_T, 0, 0, 0}, 138 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_1G_T_L, 0, 0, 0}, 139 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X540_BYPASS, 0, 0, 0}, 140 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_BYPASS, 0, 0, 0}, 141 /* required last entry */ 142 {0, 0, 0, 0, 0} 143 }; 144 145 /************************************************************************ 146 * Table of branding strings 147 ************************************************************************/ 148 static const char *ixgbe_strings[] = { 149 "Intel(R) PRO/10GbE PCI-Express Network Driver" 150 }; 151 152 /************************************************************************ 153 * Function prototypes 154 ************************************************************************/ 155 static int ixgbe_probe(device_t, cfdata_t, void *); 156 static void ixgbe_attach(device_t, device_t, void *); 157 static int ixgbe_detach(device_t, int); 158 #if 0 159 static int ixgbe_shutdown(device_t); 160 #endif 161 static bool ixgbe_suspend(device_t, const pmf_qual_t *); 162 static bool ixgbe_resume(device_t, const pmf_qual_t *); 163 static int ixgbe_ifflags_cb(struct ethercom *); 164 static int ixgbe_ioctl(struct ifnet *, u_long, void *); 165 static void ixgbe_ifstop(struct ifnet *, int); 166 static int ixgbe_init(struct ifnet *); 167 static void ixgbe_init_locked(struct adapter *); 168 static void ixgbe_stop(void *); 169 static void ixgbe_init_device_features(struct adapter *); 170 static void ixgbe_check_fan_failure(struct adapter *, u32, bool); 171 static void ixgbe_add_media_types(struct adapter *); 172 static void ixgbe_media_status(struct ifnet *, struct ifmediareq *); 173 static int ixgbe_media_change(struct ifnet *); 174 static int ixgbe_allocate_pci_resources(struct adapter *, 175 const struct pci_attach_args *); 176 static void ixgbe_free_softint(struct adapter *); 177 static void ixgbe_get_slot_info(struct adapter *); 178 static int ixgbe_allocate_msix(struct adapter *, 179 const struct pci_attach_args *); 180 static int ixgbe_allocate_legacy(struct adapter *, 181 const struct pci_attach_args *); 182 static int ixgbe_configure_interrupts(struct adapter *); 183 static void ixgbe_free_pciintr_resources(struct adapter *); 184 static void ixgbe_free_pci_resources(struct adapter *); 185 static void ixgbe_local_timer(void *); 186 static void ixgbe_local_timer1(void *); 187 static void ixgbe_recovery_mode_timer(void *); 188 static int ixgbe_setup_interface(device_t, struct adapter *); 189 static void ixgbe_config_gpie(struct adapter *); 190 static void ixgbe_config_dmac(struct adapter *); 191 static void ixgbe_config_delay_values(struct adapter *); 192 static void ixgbe_config_link(struct adapter *); 193 static void ixgbe_check_wol_support(struct adapter *); 194 static int ixgbe_setup_low_power_mode(struct adapter *); 195 #if 0 196 static void ixgbe_rearm_queues(struct adapter *, u64); 197 #endif 198 199 static void ixgbe_initialize_transmit_units(struct adapter *); 200 static void ixgbe_initialize_receive_units(struct adapter *); 201 static void ixgbe_enable_rx_drop(struct adapter *); 202 static void ixgbe_disable_rx_drop(struct adapter *); 203 static void ixgbe_initialize_rss_mapping(struct adapter *); 204 205 static void ixgbe_enable_intr(struct adapter *); 206 static void ixgbe_disable_intr(struct adapter *); 207 static void ixgbe_update_stats_counters(struct adapter *); 208 static void ixgbe_set_promisc(struct adapter *); 209 static void ixgbe_set_multi(struct adapter *); 210 static void ixgbe_update_link_status(struct adapter *); 211 static void ixgbe_set_ivar(struct adapter *, u8, u8, s8); 212 static void ixgbe_configure_ivars(struct adapter *); 213 static u8 * ixgbe_mc_array_itr(struct ixgbe_hw *, u8 **, u32 *); 214 static void ixgbe_eitr_write(struct adapter *, uint32_t, uint32_t); 215 216 static void ixgbe_setup_vlan_hw_support(struct adapter *); 217 #if 0 218 static void ixgbe_register_vlan(void *, struct ifnet *, u16); 219 static void ixgbe_unregister_vlan(void *, struct ifnet *, u16); 220 #endif 221 222 static void ixgbe_add_device_sysctls(struct adapter *); 223 static void ixgbe_add_hw_stats(struct adapter *); 224 static void ixgbe_clear_evcnt(struct adapter *); 225 static int ixgbe_set_flowcntl(struct adapter *, int); 226 static int ixgbe_set_advertise(struct adapter *, int); 227 static int ixgbe_get_advertise(struct adapter *); 228 229 /* Sysctl handlers */ 230 static void ixgbe_set_sysctl_value(struct adapter *, const char *, 231 const char *, int *, int); 232 static int ixgbe_sysctl_flowcntl(SYSCTLFN_PROTO); 233 static int ixgbe_sysctl_advertise(SYSCTLFN_PROTO); 234 static int ixgbe_sysctl_interrupt_rate_handler(SYSCTLFN_PROTO); 235 static int ixgbe_sysctl_dmac(SYSCTLFN_PROTO); 236 static int ixgbe_sysctl_phy_temp(SYSCTLFN_PROTO); 237 static int ixgbe_sysctl_phy_overtemp_occurred(SYSCTLFN_PROTO); 238 #ifdef IXGBE_DEBUG 239 static int ixgbe_sysctl_power_state(SYSCTLFN_PROTO); 240 static int ixgbe_sysctl_print_rss_config(SYSCTLFN_PROTO); 241 #endif 242 static int ixgbe_sysctl_next_to_check_handler(SYSCTLFN_PROTO); 243 static int ixgbe_sysctl_rdh_handler(SYSCTLFN_PROTO); 244 static int ixgbe_sysctl_rdt_handler(SYSCTLFN_PROTO); 245 static int ixgbe_sysctl_tdt_handler(SYSCTLFN_PROTO); 246 static int ixgbe_sysctl_tdh_handler(SYSCTLFN_PROTO); 247 static int ixgbe_sysctl_eee_state(SYSCTLFN_PROTO); 248 static int ixgbe_sysctl_debug(SYSCTLFN_PROTO); 249 static int ixgbe_sysctl_wol_enable(SYSCTLFN_PROTO); 250 static int ixgbe_sysctl_wufc(SYSCTLFN_PROTO); 251 252 /* Support for pluggable optic modules */ 253 static bool ixgbe_sfp_probe(struct adapter *); 254 255 /* Legacy (single vector) interrupt handler */ 256 static int ixgbe_legacy_irq(void *); 257 258 /* The MSI/MSI-X Interrupt handlers */ 259 static int ixgbe_msix_que(void *); 260 static int ixgbe_msix_link(void *); 261 262 /* Software interrupts for deferred work */ 263 static void ixgbe_handle_que(void *); 264 static void ixgbe_handle_link(void *); 265 static void ixgbe_handle_msf(void *); 266 static void ixgbe_handle_mod(void *); 267 static void ixgbe_handle_phy(void *); 268 269 /* Workqueue handler for deferred work */ 270 static void ixgbe_handle_que_work(struct work *, void *); 271 272 static const ixgbe_vendor_info_t *ixgbe_lookup(const struct pci_attach_args *); 273 274 /************************************************************************ 275 * NetBSD Device Interface Entry Points 276 ************************************************************************/ 277 CFATTACH_DECL3_NEW(ixg, sizeof(struct adapter), 278 ixgbe_probe, ixgbe_attach, ixgbe_detach, NULL, NULL, NULL, 279 DVF_DETACH_SHUTDOWN); 280 281 #if 0 282 devclass_t ix_devclass; 283 DRIVER_MODULE(ix, pci, ix_driver, ix_devclass, 0, 0); 284 285 MODULE_DEPEND(ix, pci, 1, 1, 1); 286 MODULE_DEPEND(ix, ether, 1, 1, 1); 287 #ifdef DEV_NETMAP 288 MODULE_DEPEND(ix, netmap, 1, 1, 1); 289 #endif 290 #endif 291 292 /* 293 * TUNEABLE PARAMETERS: 294 */ 295 296 /* 297 * AIM: Adaptive Interrupt Moderation 298 * which means that the interrupt rate 299 * is varied over time based on the 300 * traffic for that interrupt vector 301 */ 302 static bool ixgbe_enable_aim = true; 303 #define SYSCTL_INT(_a1, _a2, _a3, _a4, _a5, _a6, _a7) 304 SYSCTL_INT(_hw_ix, OID_AUTO, enable_aim, CTLFLAG_RDTUN, &ixgbe_enable_aim, 0, 305 "Enable adaptive interrupt moderation"); 306 307 static int ixgbe_max_interrupt_rate = (4000000 / IXGBE_LOW_LATENCY); 308 SYSCTL_INT(_hw_ix, OID_AUTO, max_interrupt_rate, CTLFLAG_RDTUN, 309 &ixgbe_max_interrupt_rate, 0, "Maximum interrupts per second"); 310 311 /* How many packets rxeof tries to clean at a time */ 312 static int ixgbe_rx_process_limit = 256; 313 SYSCTL_INT(_hw_ix, OID_AUTO, rx_process_limit, CTLFLAG_RDTUN, 314 &ixgbe_rx_process_limit, 0, "Maximum number of received packets to process at a time, -1 means unlimited"); 315 316 /* How many packets txeof tries to clean at a time */ 317 static int ixgbe_tx_process_limit = 256; 318 SYSCTL_INT(_hw_ix, OID_AUTO, tx_process_limit, CTLFLAG_RDTUN, 319 &ixgbe_tx_process_limit, 0, 320 "Maximum number of sent packets to process at a time, -1 means unlimited"); 321 322 /* Flow control setting, default to full */ 323 static int ixgbe_flow_control = ixgbe_fc_full; 324 SYSCTL_INT(_hw_ix, OID_AUTO, flow_control, CTLFLAG_RDTUN, 325 &ixgbe_flow_control, 0, "Default flow control used for all adapters"); 326 327 /* Which pakcet processing uses workqueue or softint */ 328 static bool ixgbe_txrx_workqueue = false; 329 330 /* 331 * Smart speed setting, default to on 332 * this only works as a compile option 333 * right now as its during attach, set 334 * this to 'ixgbe_smart_speed_off' to 335 * disable. 336 */ 337 static int ixgbe_smart_speed = ixgbe_smart_speed_on; 338 339 /* 340 * MSI-X should be the default for best performance, 341 * but this allows it to be forced off for testing. 342 */ 343 static int ixgbe_enable_msix = 1; 344 SYSCTL_INT(_hw_ix, OID_AUTO, enable_msix, CTLFLAG_RDTUN, &ixgbe_enable_msix, 0, 345 "Enable MSI-X interrupts"); 346 347 /* 348 * Number of Queues, can be set to 0, 349 * it then autoconfigures based on the 350 * number of cpus with a max of 8. This 351 * can be overriden manually here. 352 */ 353 static int ixgbe_num_queues = 0; 354 SYSCTL_INT(_hw_ix, OID_AUTO, num_queues, CTLFLAG_RDTUN, &ixgbe_num_queues, 0, 355 "Number of queues to configure, 0 indicates autoconfigure"); 356 357 /* 358 * Number of TX descriptors per ring, 359 * setting higher than RX as this seems 360 * the better performing choice. 361 */ 362 static int ixgbe_txd = PERFORM_TXD; 363 SYSCTL_INT(_hw_ix, OID_AUTO, txd, CTLFLAG_RDTUN, &ixgbe_txd, 0, 364 "Number of transmit descriptors per queue"); 365 366 /* Number of RX descriptors per ring */ 367 static int ixgbe_rxd = PERFORM_RXD; 368 SYSCTL_INT(_hw_ix, OID_AUTO, rxd, CTLFLAG_RDTUN, &ixgbe_rxd, 0, 369 "Number of receive descriptors per queue"); 370 371 /* 372 * Defining this on will allow the use 373 * of unsupported SFP+ modules, note that 374 * doing so you are on your own :) 375 */ 376 static int allow_unsupported_sfp = false; 377 #define TUNABLE_INT(__x, __y) 378 TUNABLE_INT("hw.ix.unsupported_sfp", &allow_unsupported_sfp); 379 380 /* 381 * Not sure if Flow Director is fully baked, 382 * so we'll default to turning it off. 383 */ 384 static int ixgbe_enable_fdir = 0; 385 SYSCTL_INT(_hw_ix, OID_AUTO, enable_fdir, CTLFLAG_RDTUN, &ixgbe_enable_fdir, 0, 386 "Enable Flow Director"); 387 388 /* Legacy Transmit (single queue) */ 389 static int ixgbe_enable_legacy_tx = 0; 390 SYSCTL_INT(_hw_ix, OID_AUTO, enable_legacy_tx, CTLFLAG_RDTUN, 391 &ixgbe_enable_legacy_tx, 0, "Enable Legacy TX flow"); 392 393 /* Receive-Side Scaling */ 394 static int ixgbe_enable_rss = 1; 395 SYSCTL_INT(_hw_ix, OID_AUTO, enable_rss, CTLFLAG_RDTUN, &ixgbe_enable_rss, 0, 396 "Enable Receive-Side Scaling (RSS)"); 397 398 #if 0 399 static int (*ixgbe_start_locked)(struct ifnet *, struct tx_ring *); 400 static int (*ixgbe_ring_empty)(struct ifnet *, pcq_t *); 401 #endif 402 403 #ifdef NET_MPSAFE 404 #define IXGBE_MPSAFE 1 405 #define IXGBE_CALLOUT_FLAGS CALLOUT_MPSAFE 406 #define IXGBE_SOFTINFT_FLAGS SOFTINT_MPSAFE 407 #define IXGBE_WORKQUEUE_FLAGS WQ_PERCPU | WQ_MPSAFE 408 #else 409 #define IXGBE_CALLOUT_FLAGS 0 410 #define IXGBE_SOFTINFT_FLAGS 0 411 #define IXGBE_WORKQUEUE_FLAGS WQ_PERCPU 412 #endif 413 #define IXGBE_WORKQUEUE_PRI PRI_SOFTNET 414 415 /************************************************************************ 416 * ixgbe_initialize_rss_mapping 417 ************************************************************************/ 418 static void 419 ixgbe_initialize_rss_mapping(struct adapter *adapter) 420 { 421 struct ixgbe_hw *hw = &adapter->hw; 422 u32 reta = 0, mrqc, rss_key[10]; 423 int queue_id, table_size, index_mult; 424 int i, j; 425 u32 rss_hash_config; 426 427 /* force use default RSS key. */ 428 #ifdef __NetBSD__ 429 rss_getkey((uint8_t *) &rss_key); 430 #else 431 if (adapter->feat_en & IXGBE_FEATURE_RSS) { 432 /* Fetch the configured RSS key */ 433 rss_getkey((uint8_t *) &rss_key); 434 } else { 435 /* set up random bits */ 436 cprng_fast(&rss_key, sizeof(rss_key)); 437 } 438 #endif 439 440 /* Set multiplier for RETA setup and table size based on MAC */ 441 index_mult = 0x1; 442 table_size = 128; 443 switch (adapter->hw.mac.type) { 444 case ixgbe_mac_82598EB: 445 index_mult = 0x11; 446 break; 447 case ixgbe_mac_X550: 448 case ixgbe_mac_X550EM_x: 449 case ixgbe_mac_X550EM_a: 450 table_size = 512; 451 break; 452 default: 453 break; 454 } 455 456 /* Set up the redirection table */ 457 for (i = 0, j = 0; i < table_size; i++, j++) { 458 if (j == adapter->num_queues) 459 j = 0; 460 461 if (adapter->feat_en & IXGBE_FEATURE_RSS) { 462 /* 463 * Fetch the RSS bucket id for the given indirection 464 * entry. Cap it at the number of configured buckets 465 * (which is num_queues.) 466 */ 467 queue_id = rss_get_indirection_to_bucket(i); 468 queue_id = queue_id % adapter->num_queues; 469 } else 470 queue_id = (j * index_mult); 471 472 /* 473 * The low 8 bits are for hash value (n+0); 474 * The next 8 bits are for hash value (n+1), etc. 475 */ 476 reta = reta >> 8; 477 reta = reta | (((uint32_t) queue_id) << 24); 478 if ((i & 3) == 3) { 479 if (i < 128) 480 IXGBE_WRITE_REG(hw, IXGBE_RETA(i >> 2), reta); 481 else 482 IXGBE_WRITE_REG(hw, IXGBE_ERETA((i >> 2) - 32), 483 reta); 484 reta = 0; 485 } 486 } 487 488 /* Now fill our hash function seeds */ 489 for (i = 0; i < 10; i++) 490 IXGBE_WRITE_REG(hw, IXGBE_RSSRK(i), rss_key[i]); 491 492 /* Perform hash on these packet types */ 493 if (adapter->feat_en & IXGBE_FEATURE_RSS) 494 rss_hash_config = rss_gethashconfig(); 495 else { 496 /* 497 * Disable UDP - IP fragments aren't currently being handled 498 * and so we end up with a mix of 2-tuple and 4-tuple 499 * traffic. 500 */ 501 rss_hash_config = RSS_HASHTYPE_RSS_IPV4 502 | RSS_HASHTYPE_RSS_TCP_IPV4 503 | RSS_HASHTYPE_RSS_IPV6 504 | RSS_HASHTYPE_RSS_TCP_IPV6 505 | RSS_HASHTYPE_RSS_IPV6_EX 506 | RSS_HASHTYPE_RSS_TCP_IPV6_EX; 507 } 508 509 mrqc = IXGBE_MRQC_RSSEN; 510 if (rss_hash_config & RSS_HASHTYPE_RSS_IPV4) 511 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4; 512 if (rss_hash_config & RSS_HASHTYPE_RSS_TCP_IPV4) 513 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4_TCP; 514 if (rss_hash_config & RSS_HASHTYPE_RSS_IPV6) 515 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6; 516 if (rss_hash_config & RSS_HASHTYPE_RSS_TCP_IPV6) 517 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_TCP; 518 if (rss_hash_config & RSS_HASHTYPE_RSS_IPV6_EX) 519 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_EX; 520 if (rss_hash_config & RSS_HASHTYPE_RSS_TCP_IPV6_EX) 521 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_EX_TCP; 522 if (rss_hash_config & RSS_HASHTYPE_RSS_UDP_IPV4) 523 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4_UDP; 524 if (rss_hash_config & RSS_HASHTYPE_RSS_UDP_IPV6) 525 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_UDP; 526 if (rss_hash_config & RSS_HASHTYPE_RSS_UDP_IPV6_EX) 527 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_EX_UDP; 528 mrqc |= ixgbe_get_mrqc(adapter->iov_mode); 529 IXGBE_WRITE_REG(hw, IXGBE_MRQC, mrqc); 530 } /* ixgbe_initialize_rss_mapping */ 531 532 /************************************************************************ 533 * ixgbe_initialize_receive_units - Setup receive registers and features. 534 ************************************************************************/ 535 #define BSIZEPKT_ROUNDUP ((1<<IXGBE_SRRCTL_BSIZEPKT_SHIFT)-1) 536 537 static void 538 ixgbe_initialize_receive_units(struct adapter *adapter) 539 { 540 struct rx_ring *rxr = adapter->rx_rings; 541 struct ixgbe_hw *hw = &adapter->hw; 542 struct ifnet *ifp = adapter->ifp; 543 int i, j; 544 u32 bufsz, fctrl, srrctl, rxcsum; 545 u32 hlreg; 546 547 /* 548 * Make sure receives are disabled while 549 * setting up the descriptor ring 550 */ 551 ixgbe_disable_rx(hw); 552 553 /* Enable broadcasts */ 554 fctrl = IXGBE_READ_REG(hw, IXGBE_FCTRL); 555 fctrl |= IXGBE_FCTRL_BAM; 556 if (adapter->hw.mac.type == ixgbe_mac_82598EB) { 557 fctrl |= IXGBE_FCTRL_DPF; 558 fctrl |= IXGBE_FCTRL_PMCF; 559 } 560 IXGBE_WRITE_REG(hw, IXGBE_FCTRL, fctrl); 561 562 /* Set for Jumbo Frames? */ 563 hlreg = IXGBE_READ_REG(hw, IXGBE_HLREG0); 564 if (ifp->if_mtu > ETHERMTU) 565 hlreg |= IXGBE_HLREG0_JUMBOEN; 566 else 567 hlreg &= ~IXGBE_HLREG0_JUMBOEN; 568 569 #ifdef DEV_NETMAP 570 /* CRC stripping is conditional in Netmap */ 571 if ((adapter->feat_en & IXGBE_FEATURE_NETMAP) && 572 (ifp->if_capenable & IFCAP_NETMAP) && 573 !ix_crcstrip) 574 hlreg &= ~IXGBE_HLREG0_RXCRCSTRP; 575 else 576 #endif /* DEV_NETMAP */ 577 hlreg |= IXGBE_HLREG0_RXCRCSTRP; 578 579 IXGBE_WRITE_REG(hw, IXGBE_HLREG0, hlreg); 580 581 bufsz = (adapter->rx_mbuf_sz + BSIZEPKT_ROUNDUP) >> 582 IXGBE_SRRCTL_BSIZEPKT_SHIFT; 583 584 for (i = 0; i < adapter->num_queues; i++, rxr++) { 585 u64 rdba = rxr->rxdma.dma_paddr; 586 u32 reg; 587 int regnum = i / 4; /* 1 register per 4 queues */ 588 int regshift = i % 4; /* 4 bits per 1 queue */ 589 j = rxr->me; 590 591 /* Setup the Base and Length of the Rx Descriptor Ring */ 592 IXGBE_WRITE_REG(hw, IXGBE_RDBAL(j), 593 (rdba & 0x00000000ffffffffULL)); 594 IXGBE_WRITE_REG(hw, IXGBE_RDBAH(j), (rdba >> 32)); 595 IXGBE_WRITE_REG(hw, IXGBE_RDLEN(j), 596 adapter->num_rx_desc * sizeof(union ixgbe_adv_rx_desc)); 597 598 /* Set up the SRRCTL register */ 599 srrctl = IXGBE_READ_REG(hw, IXGBE_SRRCTL(j)); 600 srrctl &= ~IXGBE_SRRCTL_BSIZEHDR_MASK; 601 srrctl &= ~IXGBE_SRRCTL_BSIZEPKT_MASK; 602 srrctl |= bufsz; 603 srrctl |= IXGBE_SRRCTL_DESCTYPE_ADV_ONEBUF; 604 605 /* Set RQSMR (Receive Queue Statistic Mapping) register */ 606 reg = IXGBE_READ_REG(hw, IXGBE_RQSMR(regnum)); 607 reg &= ~(0x000000ff << (regshift * 8)); 608 reg |= i << (regshift * 8); 609 IXGBE_WRITE_REG(hw, IXGBE_RQSMR(regnum), reg); 610 611 /* 612 * Set DROP_EN iff we have no flow control and >1 queue. 613 * Note that srrctl was cleared shortly before during reset, 614 * so we do not need to clear the bit, but do it just in case 615 * this code is moved elsewhere. 616 */ 617 if (adapter->num_queues > 1 && 618 adapter->hw.fc.requested_mode == ixgbe_fc_none) { 619 srrctl |= IXGBE_SRRCTL_DROP_EN; 620 } else { 621 srrctl &= ~IXGBE_SRRCTL_DROP_EN; 622 } 623 624 IXGBE_WRITE_REG(hw, IXGBE_SRRCTL(j), srrctl); 625 626 /* Setup the HW Rx Head and Tail Descriptor Pointers */ 627 IXGBE_WRITE_REG(hw, IXGBE_RDH(j), 0); 628 IXGBE_WRITE_REG(hw, IXGBE_RDT(j), 0); 629 630 /* Set the driver rx tail address */ 631 rxr->tail = IXGBE_RDT(rxr->me); 632 } 633 634 if (adapter->hw.mac.type != ixgbe_mac_82598EB) { 635 u32 psrtype = IXGBE_PSRTYPE_TCPHDR 636 | IXGBE_PSRTYPE_UDPHDR 637 | IXGBE_PSRTYPE_IPV4HDR 638 | IXGBE_PSRTYPE_IPV6HDR; 639 IXGBE_WRITE_REG(hw, IXGBE_PSRTYPE(0), psrtype); 640 } 641 642 rxcsum = IXGBE_READ_REG(hw, IXGBE_RXCSUM); 643 644 ixgbe_initialize_rss_mapping(adapter); 645 646 if (adapter->num_queues > 1) { 647 /* RSS and RX IPP Checksum are mutually exclusive */ 648 rxcsum |= IXGBE_RXCSUM_PCSD; 649 } 650 651 if (ifp->if_capenable & IFCAP_RXCSUM) 652 rxcsum |= IXGBE_RXCSUM_PCSD; 653 654 /* This is useful for calculating UDP/IP fragment checksums */ 655 if (!(rxcsum & IXGBE_RXCSUM_PCSD)) 656 rxcsum |= IXGBE_RXCSUM_IPPCSE; 657 658 IXGBE_WRITE_REG(hw, IXGBE_RXCSUM, rxcsum); 659 660 } /* ixgbe_initialize_receive_units */ 661 662 /************************************************************************ 663 * ixgbe_initialize_transmit_units - Enable transmit units. 664 ************************************************************************/ 665 static void 666 ixgbe_initialize_transmit_units(struct adapter *adapter) 667 { 668 struct tx_ring *txr = adapter->tx_rings; 669 struct ixgbe_hw *hw = &adapter->hw; 670 int i; 671 672 /* Setup the Base and Length of the Tx Descriptor Ring */ 673 for (i = 0; i < adapter->num_queues; i++, txr++) { 674 u64 tdba = txr->txdma.dma_paddr; 675 u32 txctrl = 0; 676 u32 tqsmreg, reg; 677 int regnum = i / 4; /* 1 register per 4 queues */ 678 int regshift = i % 4; /* 4 bits per 1 queue */ 679 int j = txr->me; 680 681 IXGBE_WRITE_REG(hw, IXGBE_TDBAL(j), 682 (tdba & 0x00000000ffffffffULL)); 683 IXGBE_WRITE_REG(hw, IXGBE_TDBAH(j), (tdba >> 32)); 684 IXGBE_WRITE_REG(hw, IXGBE_TDLEN(j), 685 adapter->num_tx_desc * sizeof(union ixgbe_adv_tx_desc)); 686 687 /* 688 * Set TQSMR (Transmit Queue Statistic Mapping) register. 689 * Register location is different between 82598 and others. 690 */ 691 if (adapter->hw.mac.type == ixgbe_mac_82598EB) 692 tqsmreg = IXGBE_TQSMR(regnum); 693 else 694 tqsmreg = IXGBE_TQSM(regnum); 695 reg = IXGBE_READ_REG(hw, tqsmreg); 696 reg &= ~(0x000000ff << (regshift * 8)); 697 reg |= i << (regshift * 8); 698 IXGBE_WRITE_REG(hw, tqsmreg, reg); 699 700 /* Setup the HW Tx Head and Tail descriptor pointers */ 701 IXGBE_WRITE_REG(hw, IXGBE_TDH(j), 0); 702 IXGBE_WRITE_REG(hw, IXGBE_TDT(j), 0); 703 704 /* Cache the tail address */ 705 txr->tail = IXGBE_TDT(j); 706 707 txr->txr_no_space = false; 708 709 /* Disable Head Writeback */ 710 /* 711 * Note: for X550 series devices, these registers are actually 712 * prefixed with TPH_ isntead of DCA_, but the addresses and 713 * fields remain the same. 714 */ 715 switch (hw->mac.type) { 716 case ixgbe_mac_82598EB: 717 txctrl = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(j)); 718 break; 719 default: 720 txctrl = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL_82599(j)); 721 break; 722 } 723 txctrl &= ~IXGBE_DCA_TXCTRL_DESC_WRO_EN; 724 switch (hw->mac.type) { 725 case ixgbe_mac_82598EB: 726 IXGBE_WRITE_REG(hw, IXGBE_DCA_TXCTRL(j), txctrl); 727 break; 728 default: 729 IXGBE_WRITE_REG(hw, IXGBE_DCA_TXCTRL_82599(j), txctrl); 730 break; 731 } 732 733 } 734 735 if (hw->mac.type != ixgbe_mac_82598EB) { 736 u32 dmatxctl, rttdcs; 737 738 dmatxctl = IXGBE_READ_REG(hw, IXGBE_DMATXCTL); 739 dmatxctl |= IXGBE_DMATXCTL_TE; 740 IXGBE_WRITE_REG(hw, IXGBE_DMATXCTL, dmatxctl); 741 /* Disable arbiter to set MTQC */ 742 rttdcs = IXGBE_READ_REG(hw, IXGBE_RTTDCS); 743 rttdcs |= IXGBE_RTTDCS_ARBDIS; 744 IXGBE_WRITE_REG(hw, IXGBE_RTTDCS, rttdcs); 745 IXGBE_WRITE_REG(hw, IXGBE_MTQC, 746 ixgbe_get_mtqc(adapter->iov_mode)); 747 rttdcs &= ~IXGBE_RTTDCS_ARBDIS; 748 IXGBE_WRITE_REG(hw, IXGBE_RTTDCS, rttdcs); 749 } 750 751 return; 752 } /* ixgbe_initialize_transmit_units */ 753 754 /************************************************************************ 755 * ixgbe_attach - Device initialization routine 756 * 757 * Called when the driver is being loaded. 758 * Identifies the type of hardware, allocates all resources 759 * and initializes the hardware. 760 * 761 * return 0 on success, positive on failure 762 ************************************************************************/ 763 static void 764 ixgbe_attach(device_t parent, device_t dev, void *aux) 765 { 766 struct adapter *adapter; 767 struct ixgbe_hw *hw; 768 int error = -1; 769 u32 ctrl_ext; 770 u16 high, low, nvmreg; 771 pcireg_t id, subid; 772 const ixgbe_vendor_info_t *ent; 773 struct pci_attach_args *pa = aux; 774 const char *str; 775 char buf[256]; 776 777 INIT_DEBUGOUT("ixgbe_attach: begin"); 778 779 /* Allocate, clear, and link in our adapter structure */ 780 adapter = device_private(dev); 781 adapter->hw.back = adapter; 782 adapter->dev = dev; 783 hw = &adapter->hw; 784 adapter->osdep.pc = pa->pa_pc; 785 adapter->osdep.tag = pa->pa_tag; 786 if (pci_dma64_available(pa)) 787 adapter->osdep.dmat = pa->pa_dmat64; 788 else 789 adapter->osdep.dmat = pa->pa_dmat; 790 adapter->osdep.attached = false; 791 792 ent = ixgbe_lookup(pa); 793 794 KASSERT(ent != NULL); 795 796 aprint_normal(": %s, Version - %s\n", 797 ixgbe_strings[ent->index], ixgbe_driver_version); 798 799 /* Core Lock Init*/ 800 IXGBE_CORE_LOCK_INIT(adapter, device_xname(dev)); 801 802 /* Set up the timer callout */ 803 callout_init(&adapter->timer, IXGBE_CALLOUT_FLAGS); 804 805 /* Determine hardware revision */ 806 id = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_ID_REG); 807 subid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG); 808 809 hw->vendor_id = PCI_VENDOR(id); 810 hw->device_id = PCI_PRODUCT(id); 811 hw->revision_id = 812 PCI_REVISION(pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_CLASS_REG)); 813 hw->subsystem_vendor_id = PCI_SUBSYS_VENDOR(subid); 814 hw->subsystem_device_id = PCI_SUBSYS_ID(subid); 815 816 /* 817 * Make sure BUSMASTER is set 818 */ 819 ixgbe_pci_enable_busmaster(pa->pa_pc, pa->pa_tag); 820 821 /* Do base PCI setup - map BAR0 */ 822 if (ixgbe_allocate_pci_resources(adapter, pa)) { 823 aprint_error_dev(dev, "Allocation of PCI resources failed\n"); 824 error = ENXIO; 825 goto err_out; 826 } 827 828 /* let hardware know driver is loaded */ 829 ctrl_ext = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT); 830 ctrl_ext |= IXGBE_CTRL_EXT_DRV_LOAD; 831 IXGBE_WRITE_REG(hw, IXGBE_CTRL_EXT, ctrl_ext); 832 833 /* 834 * Initialize the shared code 835 */ 836 if (ixgbe_init_shared_code(hw) != 0) { 837 aprint_error_dev(dev, "Unable to initialize the shared code\n"); 838 error = ENXIO; 839 goto err_out; 840 } 841 842 switch (hw->mac.type) { 843 case ixgbe_mac_82598EB: 844 str = "82598EB"; 845 break; 846 case ixgbe_mac_82599EB: 847 str = "82599EB"; 848 break; 849 case ixgbe_mac_X540: 850 str = "X540"; 851 break; 852 case ixgbe_mac_X550: 853 str = "X550"; 854 break; 855 case ixgbe_mac_X550EM_x: 856 str = "X550EM"; 857 break; 858 case ixgbe_mac_X550EM_a: 859 str = "X550EM A"; 860 break; 861 default: 862 str = "Unknown"; 863 break; 864 } 865 aprint_normal_dev(dev, "device %s\n", str); 866 867 if (hw->mbx.ops.init_params) 868 hw->mbx.ops.init_params(hw); 869 870 hw->allow_unsupported_sfp = allow_unsupported_sfp; 871 872 /* Pick up the 82599 settings */ 873 if (hw->mac.type != ixgbe_mac_82598EB) { 874 hw->phy.smart_speed = ixgbe_smart_speed; 875 adapter->num_segs = IXGBE_82599_SCATTER; 876 } else 877 adapter->num_segs = IXGBE_82598_SCATTER; 878 879 hw->mac.ops.set_lan_id(hw); 880 ixgbe_init_device_features(adapter); 881 882 if (ixgbe_configure_interrupts(adapter)) { 883 error = ENXIO; 884 goto err_out; 885 } 886 887 /* Allocate multicast array memory. */ 888 adapter->mta = malloc(sizeof(*adapter->mta) * 889 MAX_NUM_MULTICAST_ADDRESSES, M_DEVBUF, M_NOWAIT); 890 if (adapter->mta == NULL) { 891 aprint_error_dev(dev, "Cannot allocate multicast setup array\n"); 892 error = ENOMEM; 893 goto err_out; 894 } 895 896 /* Enable WoL (if supported) */ 897 ixgbe_check_wol_support(adapter); 898 899 /* Verify adapter fan is still functional (if applicable) */ 900 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) { 901 u32 esdp = IXGBE_READ_REG(hw, IXGBE_ESDP); 902 ixgbe_check_fan_failure(adapter, esdp, FALSE); 903 } 904 905 /* Ensure SW/FW semaphore is free */ 906 ixgbe_init_swfw_semaphore(hw); 907 908 /* Enable EEE power saving */ 909 if (adapter->feat_en & IXGBE_FEATURE_EEE) 910 hw->mac.ops.setup_eee(hw, TRUE); 911 912 /* Set an initial default flow control value */ 913 hw->fc.requested_mode = ixgbe_flow_control; 914 915 /* Sysctls for limiting the amount of work done in the taskqueues */ 916 ixgbe_set_sysctl_value(adapter, "rx_processing_limit", 917 "max number of rx packets to process", 918 &adapter->rx_process_limit, ixgbe_rx_process_limit); 919 920 ixgbe_set_sysctl_value(adapter, "tx_processing_limit", 921 "max number of tx packets to process", 922 &adapter->tx_process_limit, ixgbe_tx_process_limit); 923 924 /* Do descriptor calc and sanity checks */ 925 if (((ixgbe_txd * sizeof(union ixgbe_adv_tx_desc)) % DBA_ALIGN) != 0 || 926 ixgbe_txd < MIN_TXD || ixgbe_txd > MAX_TXD) { 927 aprint_error_dev(dev, "TXD config issue, using default!\n"); 928 adapter->num_tx_desc = DEFAULT_TXD; 929 } else 930 adapter->num_tx_desc = ixgbe_txd; 931 932 if (((ixgbe_rxd * sizeof(union ixgbe_adv_rx_desc)) % DBA_ALIGN) != 0 || 933 ixgbe_rxd < MIN_RXD || ixgbe_rxd > MAX_RXD) { 934 aprint_error_dev(dev, "RXD config issue, using default!\n"); 935 adapter->num_rx_desc = DEFAULT_RXD; 936 } else 937 adapter->num_rx_desc = ixgbe_rxd; 938 939 /* Allocate our TX/RX Queues */ 940 if (ixgbe_allocate_queues(adapter)) { 941 error = ENOMEM; 942 goto err_out; 943 } 944 945 hw->phy.reset_if_overtemp = TRUE; 946 error = ixgbe_reset_hw(hw); 947 hw->phy.reset_if_overtemp = FALSE; 948 if (error == IXGBE_ERR_SFP_NOT_PRESENT) { 949 /* 950 * No optics in this port, set up 951 * so the timer routine will probe 952 * for later insertion. 953 */ 954 adapter->sfp_probe = TRUE; 955 error = IXGBE_SUCCESS; 956 } else if (error == IXGBE_ERR_SFP_NOT_SUPPORTED) { 957 aprint_error_dev(dev, "Unsupported SFP+ module detected!\n"); 958 error = EIO; 959 goto err_late; 960 } else if (error) { 961 aprint_error_dev(dev, "Hardware initialization failed\n"); 962 error = EIO; 963 goto err_late; 964 } 965 966 /* Make sure we have a good EEPROM before we read from it */ 967 if (ixgbe_validate_eeprom_checksum(&adapter->hw, NULL) < 0) { 968 aprint_error_dev(dev, "The EEPROM Checksum Is Not Valid\n"); 969 error = EIO; 970 goto err_late; 971 } 972 973 aprint_normal("%s:", device_xname(dev)); 974 /* NVM Image Version */ 975 high = low = 0; 976 switch (hw->mac.type) { 977 case ixgbe_mac_X540: 978 case ixgbe_mac_X550EM_a: 979 hw->eeprom.ops.read(hw, IXGBE_NVM_IMAGE_VER, &nvmreg); 980 if (nvmreg == 0xffff) 981 break; 982 high = (nvmreg >> 12) & 0x0f; 983 low = (nvmreg >> 4) & 0xff; 984 id = nvmreg & 0x0f; 985 aprint_normal(" NVM Image Version %u.", high); 986 if (hw->mac.type == ixgbe_mac_X540) 987 str = "%x"; 988 else 989 str = "%02x"; 990 aprint_normal(str, low); 991 aprint_normal(" ID 0x%x,", id); 992 break; 993 case ixgbe_mac_X550EM_x: 994 case ixgbe_mac_X550: 995 hw->eeprom.ops.read(hw, IXGBE_NVM_IMAGE_VER, &nvmreg); 996 if (nvmreg == 0xffff) 997 break; 998 high = (nvmreg >> 12) & 0x0f; 999 low = nvmreg & 0xff; 1000 aprint_normal(" NVM Image Version %u.%02x,", high, low); 1001 break; 1002 default: 1003 break; 1004 } 1005 hw->eeprom.nvm_image_ver_high = high; 1006 hw->eeprom.nvm_image_ver_low = low; 1007 1008 /* PHY firmware revision */ 1009 switch (hw->mac.type) { 1010 case ixgbe_mac_X540: 1011 case ixgbe_mac_X550: 1012 hw->eeprom.ops.read(hw, IXGBE_PHYFW_REV, &nvmreg); 1013 if (nvmreg == 0xffff) 1014 break; 1015 high = (nvmreg >> 12) & 0x0f; 1016 low = (nvmreg >> 4) & 0xff; 1017 id = nvmreg & 0x000f; 1018 aprint_normal(" PHY FW Revision %u.", high); 1019 if (hw->mac.type == ixgbe_mac_X540) 1020 str = "%x"; 1021 else 1022 str = "%02x"; 1023 aprint_normal(str, low); 1024 aprint_normal(" ID 0x%x,", id); 1025 break; 1026 default: 1027 break; 1028 } 1029 1030 /* NVM Map version & OEM NVM Image version */ 1031 switch (hw->mac.type) { 1032 case ixgbe_mac_X550: 1033 case ixgbe_mac_X550EM_x: 1034 case ixgbe_mac_X550EM_a: 1035 hw->eeprom.ops.read(hw, IXGBE_NVM_MAP_VER, &nvmreg); 1036 if (nvmreg != 0xffff) { 1037 high = (nvmreg >> 12) & 0x0f; 1038 low = nvmreg & 0x00ff; 1039 aprint_normal(" NVM Map version %u.%02x,", high, low); 1040 } 1041 hw->eeprom.ops.read(hw, IXGBE_OEM_NVM_IMAGE_VER, &nvmreg); 1042 if (nvmreg != 0xffff) { 1043 high = (nvmreg >> 12) & 0x0f; 1044 low = nvmreg & 0x00ff; 1045 aprint_verbose(" OEM NVM Image version %u.%02x,", high, 1046 low); 1047 } 1048 break; 1049 default: 1050 break; 1051 } 1052 1053 /* Print the ETrackID */ 1054 hw->eeprom.ops.read(hw, IXGBE_ETRACKID_H, &high); 1055 hw->eeprom.ops.read(hw, IXGBE_ETRACKID_L, &low); 1056 aprint_normal(" ETrackID %08x\n", ((uint32_t)high << 16) | low); 1057 1058 if (adapter->feat_en & IXGBE_FEATURE_MSIX) { 1059 error = ixgbe_allocate_msix(adapter, pa); 1060 if (error) { 1061 /* Free allocated queue structures first */ 1062 ixgbe_free_transmit_structures(adapter); 1063 ixgbe_free_receive_structures(adapter); 1064 free(adapter->queues, M_DEVBUF); 1065 1066 /* Fallback to legacy interrupt */ 1067 adapter->feat_en &= ~IXGBE_FEATURE_MSIX; 1068 if (adapter->feat_cap & IXGBE_FEATURE_MSI) 1069 adapter->feat_en |= IXGBE_FEATURE_MSI; 1070 adapter->num_queues = 1; 1071 1072 /* Allocate our TX/RX Queues again */ 1073 if (ixgbe_allocate_queues(adapter)) { 1074 error = ENOMEM; 1075 goto err_out; 1076 } 1077 } 1078 } 1079 /* Recovery mode */ 1080 switch (adapter->hw.mac.type) { 1081 case ixgbe_mac_X550: 1082 case ixgbe_mac_X550EM_x: 1083 case ixgbe_mac_X550EM_a: 1084 /* >= 2.00 */ 1085 if (hw->eeprom.nvm_image_ver_high >= 2) { 1086 adapter->feat_cap |= IXGBE_FEATURE_RECOVERY_MODE; 1087 adapter->feat_en |= IXGBE_FEATURE_RECOVERY_MODE; 1088 } 1089 break; 1090 default: 1091 break; 1092 } 1093 1094 if ((adapter->feat_en & IXGBE_FEATURE_MSIX) == 0) 1095 error = ixgbe_allocate_legacy(adapter, pa); 1096 if (error) 1097 goto err_late; 1098 1099 /* Tasklets for Link, SFP, Multispeed Fiber and Flow Director */ 1100 adapter->link_si = softint_establish(SOFTINT_NET |IXGBE_SOFTINFT_FLAGS, 1101 ixgbe_handle_link, adapter); 1102 adapter->mod_si = softint_establish(SOFTINT_NET | IXGBE_SOFTINFT_FLAGS, 1103 ixgbe_handle_mod, adapter); 1104 adapter->msf_si = softint_establish(SOFTINT_NET | IXGBE_SOFTINFT_FLAGS, 1105 ixgbe_handle_msf, adapter); 1106 adapter->phy_si = softint_establish(SOFTINT_NET | IXGBE_SOFTINFT_FLAGS, 1107 ixgbe_handle_phy, adapter); 1108 if (adapter->feat_en & IXGBE_FEATURE_FDIR) 1109 adapter->fdir_si = 1110 softint_establish(SOFTINT_NET | IXGBE_SOFTINFT_FLAGS, 1111 ixgbe_reinit_fdir, adapter); 1112 if ((adapter->link_si == NULL) || (adapter->mod_si == NULL) 1113 || (adapter->msf_si == NULL) || (adapter->phy_si == NULL) 1114 || ((adapter->feat_en & IXGBE_FEATURE_FDIR) 1115 && (adapter->fdir_si == NULL))) { 1116 aprint_error_dev(dev, 1117 "could not establish software interrupts ()\n"); 1118 goto err_out; 1119 } 1120 1121 error = ixgbe_start_hw(hw); 1122 switch (error) { 1123 case IXGBE_ERR_EEPROM_VERSION: 1124 aprint_error_dev(dev, "This device is a pre-production adapter/" 1125 "LOM. Please be aware there may be issues associated " 1126 "with your hardware.\nIf you are experiencing problems " 1127 "please contact your Intel or hardware representative " 1128 "who provided you with this hardware.\n"); 1129 break; 1130 case IXGBE_ERR_SFP_NOT_SUPPORTED: 1131 aprint_error_dev(dev, "Unsupported SFP+ Module\n"); 1132 error = EIO; 1133 goto err_late; 1134 case IXGBE_ERR_SFP_NOT_PRESENT: 1135 aprint_error_dev(dev, "No SFP+ Module found\n"); 1136 /* falls thru */ 1137 default: 1138 break; 1139 } 1140 1141 /* Setup OS specific network interface */ 1142 if (ixgbe_setup_interface(dev, adapter) != 0) 1143 goto err_late; 1144 1145 /* 1146 * Print PHY ID only for copper PHY. On device which has SFP(+) cage 1147 * and a module is inserted, phy.id is not MII PHY id but SFF 8024 ID. 1148 */ 1149 if (hw->phy.media_type == ixgbe_media_type_copper) { 1150 uint16_t id1, id2; 1151 int oui, model, rev; 1152 const char *descr; 1153 1154 id1 = hw->phy.id >> 16; 1155 id2 = hw->phy.id & 0xffff; 1156 oui = MII_OUI(id1, id2); 1157 model = MII_MODEL(id2); 1158 rev = MII_REV(id2); 1159 if ((descr = mii_get_descr(oui, model)) != NULL) 1160 aprint_normal_dev(dev, 1161 "PHY: %s (OUI 0x%06x, model 0x%04x), rev. %d\n", 1162 descr, oui, model, rev); 1163 else 1164 aprint_normal_dev(dev, 1165 "PHY OUI 0x%06x, model 0x%04x, rev. %d\n", 1166 oui, model, rev); 1167 } 1168 1169 /* Enable the optics for 82599 SFP+ fiber */ 1170 ixgbe_enable_tx_laser(hw); 1171 1172 /* Enable power to the phy. */ 1173 ixgbe_set_phy_power(hw, TRUE); 1174 1175 /* Initialize statistics */ 1176 ixgbe_update_stats_counters(adapter); 1177 1178 /* Check PCIE slot type/speed/width */ 1179 ixgbe_get_slot_info(adapter); 1180 1181 /* 1182 * Do time init and sysctl init here, but 1183 * only on the first port of a bypass adapter. 1184 */ 1185 ixgbe_bypass_init(adapter); 1186 1187 /* Set an initial dmac value */ 1188 adapter->dmac = 0; 1189 /* Set initial advertised speeds (if applicable) */ 1190 adapter->advertise = ixgbe_get_advertise(adapter); 1191 1192 if (adapter->feat_cap & IXGBE_FEATURE_SRIOV) 1193 ixgbe_define_iov_schemas(dev, &error); 1194 1195 /* Add sysctls */ 1196 ixgbe_add_device_sysctls(adapter); 1197 ixgbe_add_hw_stats(adapter); 1198 1199 /* For Netmap */ 1200 adapter->init_locked = ixgbe_init_locked; 1201 adapter->stop_locked = ixgbe_stop; 1202 1203 if (adapter->feat_en & IXGBE_FEATURE_NETMAP) 1204 ixgbe_netmap_attach(adapter); 1205 1206 snprintb(buf, sizeof(buf), IXGBE_FEATURE_FLAGS, adapter->feat_cap); 1207 aprint_verbose_dev(dev, "feature cap %s\n", buf); 1208 snprintb(buf, sizeof(buf), IXGBE_FEATURE_FLAGS, adapter->feat_en); 1209 aprint_verbose_dev(dev, "feature ena %s\n", buf); 1210 1211 if (pmf_device_register(dev, ixgbe_suspend, ixgbe_resume)) 1212 pmf_class_network_register(dev, adapter->ifp); 1213 else 1214 aprint_error_dev(dev, "couldn't establish power handler\n"); 1215 1216 /* Init recovery mode timer and state variable */ 1217 if (adapter->feat_en & IXGBE_FEATURE_RECOVERY_MODE) { 1218 adapter->recovery_mode = 0; 1219 1220 /* Set up the timer callout */ 1221 callout_init(&adapter->recovery_mode_timer, 1222 IXGBE_CALLOUT_FLAGS); 1223 1224 /* Start the task */ 1225 callout_reset(&adapter->recovery_mode_timer, hz, 1226 ixgbe_recovery_mode_timer, adapter); 1227 } 1228 1229 INIT_DEBUGOUT("ixgbe_attach: end"); 1230 adapter->osdep.attached = true; 1231 1232 return; 1233 1234 err_late: 1235 ixgbe_free_transmit_structures(adapter); 1236 ixgbe_free_receive_structures(adapter); 1237 free(adapter->queues, M_DEVBUF); 1238 err_out: 1239 ctrl_ext = IXGBE_READ_REG(&adapter->hw, IXGBE_CTRL_EXT); 1240 ctrl_ext &= ~IXGBE_CTRL_EXT_DRV_LOAD; 1241 IXGBE_WRITE_REG(&adapter->hw, IXGBE_CTRL_EXT, ctrl_ext); 1242 ixgbe_free_softint(adapter); 1243 ixgbe_free_pci_resources(adapter); 1244 if (adapter->mta != NULL) 1245 free(adapter->mta, M_DEVBUF); 1246 IXGBE_CORE_LOCK_DESTROY(adapter); 1247 1248 return; 1249 } /* ixgbe_attach */ 1250 1251 /************************************************************************ 1252 * ixgbe_check_wol_support 1253 * 1254 * Checks whether the adapter's ports are capable of 1255 * Wake On LAN by reading the adapter's NVM. 1256 * 1257 * Sets each port's hw->wol_enabled value depending 1258 * on the value read here. 1259 ************************************************************************/ 1260 static void 1261 ixgbe_check_wol_support(struct adapter *adapter) 1262 { 1263 struct ixgbe_hw *hw = &adapter->hw; 1264 u16 dev_caps = 0; 1265 1266 /* Find out WoL support for port */ 1267 adapter->wol_support = hw->wol_enabled = 0; 1268 ixgbe_get_device_caps(hw, &dev_caps); 1269 if ((dev_caps & IXGBE_DEVICE_CAPS_WOL_PORT0_1) || 1270 ((dev_caps & IXGBE_DEVICE_CAPS_WOL_PORT0) && 1271 hw->bus.func == 0)) 1272 adapter->wol_support = hw->wol_enabled = 1; 1273 1274 /* Save initial wake up filter configuration */ 1275 adapter->wufc = IXGBE_READ_REG(hw, IXGBE_WUFC); 1276 1277 return; 1278 } /* ixgbe_check_wol_support */ 1279 1280 /************************************************************************ 1281 * ixgbe_setup_interface 1282 * 1283 * Setup networking device structure and register an interface. 1284 ************************************************************************/ 1285 static int 1286 ixgbe_setup_interface(device_t dev, struct adapter *adapter) 1287 { 1288 struct ethercom *ec = &adapter->osdep.ec; 1289 struct ifnet *ifp; 1290 int rv; 1291 1292 INIT_DEBUGOUT("ixgbe_setup_interface: begin"); 1293 1294 ifp = adapter->ifp = &ec->ec_if; 1295 strlcpy(ifp->if_xname, device_xname(dev), IFNAMSIZ); 1296 ifp->if_baudrate = IF_Gbps(10); 1297 ifp->if_init = ixgbe_init; 1298 ifp->if_stop = ixgbe_ifstop; 1299 ifp->if_softc = adapter; 1300 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 1301 #ifdef IXGBE_MPSAFE 1302 ifp->if_extflags = IFEF_MPSAFE; 1303 #endif 1304 ifp->if_ioctl = ixgbe_ioctl; 1305 #if __FreeBSD_version >= 1100045 1306 /* TSO parameters */ 1307 ifp->if_hw_tsomax = 65518; 1308 ifp->if_hw_tsomaxsegcount = IXGBE_82599_SCATTER; 1309 ifp->if_hw_tsomaxsegsize = 2048; 1310 #endif 1311 if (adapter->feat_en & IXGBE_FEATURE_LEGACY_TX) { 1312 #if 0 1313 ixgbe_start_locked = ixgbe_legacy_start_locked; 1314 #endif 1315 } else { 1316 ifp->if_transmit = ixgbe_mq_start; 1317 #if 0 1318 ixgbe_start_locked = ixgbe_mq_start_locked; 1319 #endif 1320 } 1321 ifp->if_start = ixgbe_legacy_start; 1322 IFQ_SET_MAXLEN(&ifp->if_snd, adapter->num_tx_desc - 2); 1323 IFQ_SET_READY(&ifp->if_snd); 1324 1325 rv = if_initialize(ifp); 1326 if (rv != 0) { 1327 aprint_error_dev(dev, "if_initialize failed(%d)\n", rv); 1328 return rv; 1329 } 1330 adapter->ipq = if_percpuq_create(&adapter->osdep.ec.ec_if); 1331 ether_ifattach(ifp, adapter->hw.mac.addr); 1332 /* 1333 * We use per TX queue softint, so if_deferred_start_init() isn't 1334 * used. 1335 */ 1336 ether_set_ifflags_cb(ec, ixgbe_ifflags_cb); 1337 1338 adapter->max_frame_size = ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN; 1339 1340 /* 1341 * Tell the upper layer(s) we support long frames. 1342 */ 1343 ifp->if_hdrlen = sizeof(struct ether_vlan_header); 1344 1345 /* Set capability flags */ 1346 ifp->if_capabilities |= IFCAP_RXCSUM 1347 | IFCAP_TXCSUM 1348 | IFCAP_TSOv4 1349 | IFCAP_TSOv6; 1350 ifp->if_capenable = 0; 1351 1352 ec->ec_capabilities |= ETHERCAP_VLAN_HWTAGGING 1353 | ETHERCAP_VLAN_HWCSUM 1354 | ETHERCAP_JUMBO_MTU 1355 | ETHERCAP_VLAN_MTU; 1356 1357 /* Enable the above capabilities by default */ 1358 ec->ec_capenable = ec->ec_capabilities; 1359 1360 /* 1361 * Don't turn this on by default, if vlans are 1362 * created on another pseudo device (eg. lagg) 1363 * then vlan events are not passed thru, breaking 1364 * operation, but with HW FILTER off it works. If 1365 * using vlans directly on the ixgbe driver you can 1366 * enable this and get full hardware tag filtering. 1367 */ 1368 ec->ec_capabilities |= ETHERCAP_VLAN_HWFILTER; 1369 1370 /* 1371 * Specify the media types supported by this adapter and register 1372 * callbacks to update media and link information 1373 */ 1374 ifmedia_init(&adapter->media, IFM_IMASK, ixgbe_media_change, 1375 ixgbe_media_status); 1376 1377 adapter->phy_layer = ixgbe_get_supported_physical_layer(&adapter->hw); 1378 ixgbe_add_media_types(adapter); 1379 1380 /* Set autoselect media by default */ 1381 ifmedia_set(&adapter->media, IFM_ETHER | IFM_AUTO); 1382 1383 if_register(ifp); 1384 1385 return (0); 1386 } /* ixgbe_setup_interface */ 1387 1388 /************************************************************************ 1389 * ixgbe_add_media_types 1390 ************************************************************************/ 1391 static void 1392 ixgbe_add_media_types(struct adapter *adapter) 1393 { 1394 struct ixgbe_hw *hw = &adapter->hw; 1395 device_t dev = adapter->dev; 1396 u64 layer; 1397 1398 layer = adapter->phy_layer; 1399 1400 #define ADD(mm, dd) \ 1401 ifmedia_add(&adapter->media, IFM_ETHER | (mm), (dd), NULL); 1402 1403 ADD(IFM_NONE, 0); 1404 1405 /* Media types with matching NetBSD media defines */ 1406 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_T) { 1407 ADD(IFM_10G_T | IFM_FDX, 0); 1408 } 1409 if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_T) { 1410 ADD(IFM_1000_T | IFM_FDX, 0); 1411 } 1412 if (layer & IXGBE_PHYSICAL_LAYER_100BASE_TX) { 1413 ADD(IFM_100_TX | IFM_FDX, 0); 1414 } 1415 if (layer & IXGBE_PHYSICAL_LAYER_10BASE_T) { 1416 ADD(IFM_10_T | IFM_FDX, 0); 1417 } 1418 1419 if (layer & IXGBE_PHYSICAL_LAYER_SFP_PLUS_CU || 1420 layer & IXGBE_PHYSICAL_LAYER_SFP_ACTIVE_DA) { 1421 ADD(IFM_10G_TWINAX | IFM_FDX, 0); 1422 } 1423 1424 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_LR) { 1425 ADD(IFM_10G_LR | IFM_FDX, 0); 1426 if (hw->phy.multispeed_fiber) { 1427 ADD(IFM_1000_LX | IFM_FDX, 0); 1428 } 1429 } 1430 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_SR) { 1431 ADD(IFM_10G_SR | IFM_FDX, 0); 1432 if (hw->phy.multispeed_fiber) { 1433 ADD(IFM_1000_SX | IFM_FDX, 0); 1434 } 1435 } else if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_SX) { 1436 ADD(IFM_1000_SX | IFM_FDX, 0); 1437 } 1438 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_CX4) { 1439 ADD(IFM_10G_CX4 | IFM_FDX, 0); 1440 } 1441 1442 #ifdef IFM_ETH_XTYPE 1443 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KR) { 1444 ADD(IFM_10G_KR | IFM_FDX, 0); 1445 } 1446 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KX4) { 1447 ADD(AIFM_10G_KX4 | IFM_FDX, 0); 1448 } 1449 #else 1450 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KR) { 1451 device_printf(dev, "Media supported: 10GbaseKR\n"); 1452 device_printf(dev, "10GbaseKR mapped to 10GbaseSR\n"); 1453 ADD(IFM_10G_SR | IFM_FDX, 0); 1454 } 1455 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KX4) { 1456 device_printf(dev, "Media supported: 10GbaseKX4\n"); 1457 device_printf(dev, "10GbaseKX4 mapped to 10GbaseCX4\n"); 1458 ADD(IFM_10G_CX4 | IFM_FDX, 0); 1459 } 1460 #endif 1461 if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_KX) { 1462 ADD(IFM_1000_KX | IFM_FDX, 0); 1463 } 1464 if (layer & IXGBE_PHYSICAL_LAYER_2500BASE_KX) { 1465 ADD(IFM_2500_KX | IFM_FDX, 0); 1466 } 1467 if (layer & IXGBE_PHYSICAL_LAYER_2500BASE_T) { 1468 ADD(IFM_2500_T | IFM_FDX, 0); 1469 } 1470 if (layer & IXGBE_PHYSICAL_LAYER_5GBASE_T) { 1471 ADD(IFM_5000_T | IFM_FDX, 0); 1472 } 1473 if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_BX) 1474 device_printf(dev, "Media supported: 1000baseBX\n"); 1475 /* XXX no ifmedia_set? */ 1476 1477 ADD(IFM_AUTO, 0); 1478 1479 #undef ADD 1480 } /* ixgbe_add_media_types */ 1481 1482 /************************************************************************ 1483 * ixgbe_is_sfp 1484 ************************************************************************/ 1485 static inline bool 1486 ixgbe_is_sfp(struct ixgbe_hw *hw) 1487 { 1488 switch (hw->mac.type) { 1489 case ixgbe_mac_82598EB: 1490 if (hw->phy.type == ixgbe_phy_nl) 1491 return (TRUE); 1492 return (FALSE); 1493 case ixgbe_mac_82599EB: 1494 switch (hw->mac.ops.get_media_type(hw)) { 1495 case ixgbe_media_type_fiber: 1496 case ixgbe_media_type_fiber_qsfp: 1497 return (TRUE); 1498 default: 1499 return (FALSE); 1500 } 1501 case ixgbe_mac_X550EM_x: 1502 case ixgbe_mac_X550EM_a: 1503 if (hw->mac.ops.get_media_type(hw) == ixgbe_media_type_fiber) 1504 return (TRUE); 1505 return (FALSE); 1506 default: 1507 return (FALSE); 1508 } 1509 } /* ixgbe_is_sfp */ 1510 1511 /************************************************************************ 1512 * ixgbe_config_link 1513 ************************************************************************/ 1514 static void 1515 ixgbe_config_link(struct adapter *adapter) 1516 { 1517 struct ixgbe_hw *hw = &adapter->hw; 1518 u32 autoneg, err = 0; 1519 bool sfp, negotiate = false; 1520 1521 sfp = ixgbe_is_sfp(hw); 1522 1523 if (sfp) { 1524 if (hw->phy.multispeed_fiber) { 1525 ixgbe_enable_tx_laser(hw); 1526 kpreempt_disable(); 1527 softint_schedule(adapter->msf_si); 1528 kpreempt_enable(); 1529 } 1530 kpreempt_disable(); 1531 softint_schedule(adapter->mod_si); 1532 kpreempt_enable(); 1533 } else { 1534 struct ifmedia *ifm = &adapter->media; 1535 1536 if (hw->mac.ops.check_link) 1537 err = ixgbe_check_link(hw, &adapter->link_speed, 1538 &adapter->link_up, FALSE); 1539 if (err) 1540 return; 1541 1542 /* 1543 * Check if it's the first call. If it's the first call, 1544 * get value for auto negotiation. 1545 */ 1546 autoneg = hw->phy.autoneg_advertised; 1547 if ((IFM_SUBTYPE(ifm->ifm_cur->ifm_media) != IFM_NONE) 1548 && ((!autoneg) && (hw->mac.ops.get_link_capabilities))) 1549 err = hw->mac.ops.get_link_capabilities(hw, &autoneg, 1550 &negotiate); 1551 if (err) 1552 return; 1553 if (hw->mac.ops.setup_link) 1554 err = hw->mac.ops.setup_link(hw, autoneg, 1555 adapter->link_up); 1556 } 1557 1558 } /* ixgbe_config_link */ 1559 1560 /************************************************************************ 1561 * ixgbe_update_stats_counters - Update board statistics counters. 1562 ************************************************************************/ 1563 static void 1564 ixgbe_update_stats_counters(struct adapter *adapter) 1565 { 1566 struct ifnet *ifp = adapter->ifp; 1567 struct ixgbe_hw *hw = &adapter->hw; 1568 struct ixgbe_hw_stats *stats = &adapter->stats.pf; 1569 u32 missed_rx = 0, bprc, lxon, lxoff, total; 1570 u64 total_missed_rx = 0; 1571 uint64_t crcerrs, rlec; 1572 int i, j; 1573 1574 crcerrs = IXGBE_READ_REG(hw, IXGBE_CRCERRS); 1575 stats->crcerrs.ev_count += crcerrs; 1576 stats->illerrc.ev_count += IXGBE_READ_REG(hw, IXGBE_ILLERRC); 1577 stats->errbc.ev_count += IXGBE_READ_REG(hw, IXGBE_ERRBC); 1578 stats->mspdc.ev_count += IXGBE_READ_REG(hw, IXGBE_MSPDC); 1579 if (hw->mac.type == ixgbe_mac_X550) 1580 stats->mbsdc.ev_count += IXGBE_READ_REG(hw, IXGBE_MBSDC); 1581 1582 /* 16 registers */ 1583 for (i = 0; i < __arraycount(stats->qprc); i++) { 1584 j = i % adapter->num_queues; 1585 1586 stats->qprc[j].ev_count += IXGBE_READ_REG(hw, IXGBE_QPRC(i)); 1587 stats->qptc[j].ev_count += IXGBE_READ_REG(hw, IXGBE_QPTC(i)); 1588 if (hw->mac.type >= ixgbe_mac_82599EB) { 1589 stats->qprdc[j].ev_count 1590 += IXGBE_READ_REG(hw, IXGBE_QPRDC(i)); 1591 } 1592 } 1593 1594 /* 8 registers */ 1595 for (i = 0; i < IXGBE_DCB_MAX_TRAFFIC_CLASS; i++) { 1596 uint32_t mp; 1597 1598 /* MPC */ 1599 mp = IXGBE_READ_REG(hw, IXGBE_MPC(i)); 1600 /* global total per queue */ 1601 stats->mpc[i].ev_count += mp; 1602 /* running comprehensive total for stats display */ 1603 total_missed_rx += mp; 1604 1605 if (hw->mac.type == ixgbe_mac_82598EB) 1606 stats->rnbc[i].ev_count 1607 += IXGBE_READ_REG(hw, IXGBE_RNBC(i)); 1608 1609 stats->pxontxc[i].ev_count 1610 += IXGBE_READ_REG(hw, IXGBE_PXONTXC(i)); 1611 stats->pxofftxc[i].ev_count 1612 += IXGBE_READ_REG(hw, IXGBE_PXOFFTXC(i)); 1613 if (hw->mac.type >= ixgbe_mac_82599EB) { 1614 stats->pxonrxc[i].ev_count 1615 += IXGBE_READ_REG(hw, IXGBE_PXONRXCNT(i)); 1616 stats->pxoffrxc[i].ev_count 1617 += IXGBE_READ_REG(hw, IXGBE_PXOFFRXCNT(i)); 1618 stats->pxon2offc[i].ev_count 1619 += IXGBE_READ_REG(hw, IXGBE_PXON2OFFCNT(i)); 1620 } else { 1621 stats->pxonrxc[i].ev_count 1622 += IXGBE_READ_REG(hw, IXGBE_PXONRXC(i)); 1623 stats->pxoffrxc[i].ev_count 1624 += IXGBE_READ_REG(hw, IXGBE_PXOFFRXC(i)); 1625 } 1626 } 1627 stats->mpctotal.ev_count += total_missed_rx; 1628 1629 /* Document says M[LR]FC are valid when link is up and 10Gbps */ 1630 if ((adapter->link_active == TRUE) 1631 && (adapter->link_speed == IXGBE_LINK_SPEED_10GB_FULL)) { 1632 stats->mlfc.ev_count += IXGBE_READ_REG(hw, IXGBE_MLFC); 1633 stats->mrfc.ev_count += IXGBE_READ_REG(hw, IXGBE_MRFC); 1634 } 1635 rlec = IXGBE_READ_REG(hw, IXGBE_RLEC); 1636 stats->rlec.ev_count += rlec; 1637 1638 /* Hardware workaround, gprc counts missed packets */ 1639 stats->gprc.ev_count += IXGBE_READ_REG(hw, IXGBE_GPRC) - missed_rx; 1640 1641 lxon = IXGBE_READ_REG(hw, IXGBE_LXONTXC); 1642 stats->lxontxc.ev_count += lxon; 1643 lxoff = IXGBE_READ_REG(hw, IXGBE_LXOFFTXC); 1644 stats->lxofftxc.ev_count += lxoff; 1645 total = lxon + lxoff; 1646 1647 if (hw->mac.type != ixgbe_mac_82598EB) { 1648 stats->gorc.ev_count += IXGBE_READ_REG(hw, IXGBE_GORCL) + 1649 ((u64)IXGBE_READ_REG(hw, IXGBE_GORCH) << 32); 1650 stats->gotc.ev_count += IXGBE_READ_REG(hw, IXGBE_GOTCL) + 1651 ((u64)IXGBE_READ_REG(hw, IXGBE_GOTCH) << 32) - total * ETHER_MIN_LEN; 1652 stats->tor.ev_count += IXGBE_READ_REG(hw, IXGBE_TORL) + 1653 ((u64)IXGBE_READ_REG(hw, IXGBE_TORH) << 32); 1654 stats->lxonrxc.ev_count += IXGBE_READ_REG(hw, IXGBE_LXONRXCNT); 1655 stats->lxoffrxc.ev_count += IXGBE_READ_REG(hw, IXGBE_LXOFFRXCNT); 1656 } else { 1657 stats->lxonrxc.ev_count += IXGBE_READ_REG(hw, IXGBE_LXONRXC); 1658 stats->lxoffrxc.ev_count += IXGBE_READ_REG(hw, IXGBE_LXOFFRXC); 1659 /* 82598 only has a counter in the high register */ 1660 stats->gorc.ev_count += IXGBE_READ_REG(hw, IXGBE_GORCH); 1661 stats->gotc.ev_count += IXGBE_READ_REG(hw, IXGBE_GOTCH) - total * ETHER_MIN_LEN; 1662 stats->tor.ev_count += IXGBE_READ_REG(hw, IXGBE_TORH); 1663 } 1664 1665 /* 1666 * Workaround: mprc hardware is incorrectly counting 1667 * broadcasts, so for now we subtract those. 1668 */ 1669 bprc = IXGBE_READ_REG(hw, IXGBE_BPRC); 1670 stats->bprc.ev_count += bprc; 1671 stats->mprc.ev_count += IXGBE_READ_REG(hw, IXGBE_MPRC) 1672 - ((hw->mac.type == ixgbe_mac_82598EB) ? bprc : 0); 1673 1674 stats->prc64.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC64); 1675 stats->prc127.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC127); 1676 stats->prc255.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC255); 1677 stats->prc511.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC511); 1678 stats->prc1023.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC1023); 1679 stats->prc1522.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC1522); 1680 1681 stats->gptc.ev_count += IXGBE_READ_REG(hw, IXGBE_GPTC) - total; 1682 stats->mptc.ev_count += IXGBE_READ_REG(hw, IXGBE_MPTC) - total; 1683 stats->ptc64.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC64) - total; 1684 1685 stats->ruc.ev_count += IXGBE_READ_REG(hw, IXGBE_RUC); 1686 stats->rfc.ev_count += IXGBE_READ_REG(hw, IXGBE_RFC); 1687 stats->roc.ev_count += IXGBE_READ_REG(hw, IXGBE_ROC); 1688 stats->rjc.ev_count += IXGBE_READ_REG(hw, IXGBE_RJC); 1689 stats->mngprc.ev_count += IXGBE_READ_REG(hw, IXGBE_MNGPRC); 1690 stats->mngpdc.ev_count += IXGBE_READ_REG(hw, IXGBE_MNGPDC); 1691 stats->mngptc.ev_count += IXGBE_READ_REG(hw, IXGBE_MNGPTC); 1692 stats->tpr.ev_count += IXGBE_READ_REG(hw, IXGBE_TPR); 1693 stats->tpt.ev_count += IXGBE_READ_REG(hw, IXGBE_TPT); 1694 stats->ptc127.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC127); 1695 stats->ptc255.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC255); 1696 stats->ptc511.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC511); 1697 stats->ptc1023.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC1023); 1698 stats->ptc1522.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC1522); 1699 stats->bptc.ev_count += IXGBE_READ_REG(hw, IXGBE_BPTC); 1700 stats->xec.ev_count += IXGBE_READ_REG(hw, IXGBE_XEC); 1701 stats->fccrc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCCRC); 1702 stats->fclast.ev_count += IXGBE_READ_REG(hw, IXGBE_FCLAST); 1703 /* Only read FCOE on 82599 */ 1704 if (hw->mac.type != ixgbe_mac_82598EB) { 1705 stats->fcoerpdc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOERPDC); 1706 stats->fcoeprc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOEPRC); 1707 stats->fcoeptc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOEPTC); 1708 stats->fcoedwrc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOEDWRC); 1709 stats->fcoedwtc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOEDWTC); 1710 } 1711 1712 /* Fill out the OS statistics structure */ 1713 /* 1714 * NetBSD: Don't override if_{i|o}{packets|bytes|mcasts} with 1715 * adapter->stats counters. It's required to make ifconfig -z 1716 * (SOICZIFDATA) work. 1717 */ 1718 ifp->if_collisions = 0; 1719 1720 /* Rx Errors */ 1721 ifp->if_iqdrops += total_missed_rx; 1722 ifp->if_ierrors += crcerrs + rlec; 1723 } /* ixgbe_update_stats_counters */ 1724 1725 /************************************************************************ 1726 * ixgbe_add_hw_stats 1727 * 1728 * Add sysctl variables, one per statistic, to the system. 1729 ************************************************************************/ 1730 static void 1731 ixgbe_add_hw_stats(struct adapter *adapter) 1732 { 1733 device_t dev = adapter->dev; 1734 const struct sysctlnode *rnode, *cnode; 1735 struct sysctllog **log = &adapter->sysctllog; 1736 struct tx_ring *txr = adapter->tx_rings; 1737 struct rx_ring *rxr = adapter->rx_rings; 1738 struct ixgbe_hw *hw = &adapter->hw; 1739 struct ixgbe_hw_stats *stats = &adapter->stats.pf; 1740 const char *xname = device_xname(dev); 1741 int i; 1742 1743 /* Driver Statistics */ 1744 evcnt_attach_dynamic(&adapter->efbig_tx_dma_setup, EVCNT_TYPE_MISC, 1745 NULL, xname, "Driver tx dma soft fail EFBIG"); 1746 evcnt_attach_dynamic(&adapter->mbuf_defrag_failed, EVCNT_TYPE_MISC, 1747 NULL, xname, "m_defrag() failed"); 1748 evcnt_attach_dynamic(&adapter->efbig2_tx_dma_setup, EVCNT_TYPE_MISC, 1749 NULL, xname, "Driver tx dma hard fail EFBIG"); 1750 evcnt_attach_dynamic(&adapter->einval_tx_dma_setup, EVCNT_TYPE_MISC, 1751 NULL, xname, "Driver tx dma hard fail EINVAL"); 1752 evcnt_attach_dynamic(&adapter->other_tx_dma_setup, EVCNT_TYPE_MISC, 1753 NULL, xname, "Driver tx dma hard fail other"); 1754 evcnt_attach_dynamic(&adapter->eagain_tx_dma_setup, EVCNT_TYPE_MISC, 1755 NULL, xname, "Driver tx dma soft fail EAGAIN"); 1756 evcnt_attach_dynamic(&adapter->enomem_tx_dma_setup, EVCNT_TYPE_MISC, 1757 NULL, xname, "Driver tx dma soft fail ENOMEM"); 1758 evcnt_attach_dynamic(&adapter->watchdog_events, EVCNT_TYPE_MISC, 1759 NULL, xname, "Watchdog timeouts"); 1760 evcnt_attach_dynamic(&adapter->tso_err, EVCNT_TYPE_MISC, 1761 NULL, xname, "TSO errors"); 1762 evcnt_attach_dynamic(&adapter->link_irq, EVCNT_TYPE_INTR, 1763 NULL, xname, "Link MSI-X IRQ Handled"); 1764 evcnt_attach_dynamic(&adapter->link_sicount, EVCNT_TYPE_INTR, 1765 NULL, xname, "Link softint"); 1766 evcnt_attach_dynamic(&adapter->mod_sicount, EVCNT_TYPE_INTR, 1767 NULL, xname, "module softint"); 1768 evcnt_attach_dynamic(&adapter->msf_sicount, EVCNT_TYPE_INTR, 1769 NULL, xname, "multimode softint"); 1770 evcnt_attach_dynamic(&adapter->phy_sicount, EVCNT_TYPE_INTR, 1771 NULL, xname, "external PHY softint"); 1772 1773 /* Max number of traffic class is 8 */ 1774 KASSERT(IXGBE_DCB_MAX_TRAFFIC_CLASS == 8); 1775 for (i = 0; i < IXGBE_DCB_MAX_TRAFFIC_CLASS; i++) { 1776 snprintf(adapter->tcs[i].evnamebuf, 1777 sizeof(adapter->tcs[i].evnamebuf), "%s tc%d", 1778 xname, i); 1779 if (i < __arraycount(stats->mpc)) { 1780 evcnt_attach_dynamic(&stats->mpc[i], 1781 EVCNT_TYPE_MISC, NULL, adapter->tcs[i].evnamebuf, 1782 "RX Missed Packet Count"); 1783 if (hw->mac.type == ixgbe_mac_82598EB) 1784 evcnt_attach_dynamic(&stats->rnbc[i], 1785 EVCNT_TYPE_MISC, NULL, 1786 adapter->tcs[i].evnamebuf, 1787 "Receive No Buffers"); 1788 } 1789 if (i < __arraycount(stats->pxontxc)) { 1790 evcnt_attach_dynamic(&stats->pxontxc[i], 1791 EVCNT_TYPE_MISC, NULL, adapter->tcs[i].evnamebuf, 1792 "pxontxc"); 1793 evcnt_attach_dynamic(&stats->pxonrxc[i], 1794 EVCNT_TYPE_MISC, NULL, adapter->tcs[i].evnamebuf, 1795 "pxonrxc"); 1796 evcnt_attach_dynamic(&stats->pxofftxc[i], 1797 EVCNT_TYPE_MISC, NULL, adapter->tcs[i].evnamebuf, 1798 "pxofftxc"); 1799 evcnt_attach_dynamic(&stats->pxoffrxc[i], 1800 EVCNT_TYPE_MISC, NULL, adapter->tcs[i].evnamebuf, 1801 "pxoffrxc"); 1802 if (hw->mac.type >= ixgbe_mac_82599EB) 1803 evcnt_attach_dynamic(&stats->pxon2offc[i], 1804 EVCNT_TYPE_MISC, NULL, 1805 adapter->tcs[i].evnamebuf, 1806 "pxon2offc"); 1807 } 1808 } 1809 1810 for (i = 0; i < adapter->num_queues; i++, rxr++, txr++) { 1811 #ifdef LRO 1812 struct lro_ctrl *lro = &rxr->lro; 1813 #endif /* LRO */ 1814 1815 snprintf(adapter->queues[i].evnamebuf, 1816 sizeof(adapter->queues[i].evnamebuf), "%s q%d", 1817 xname, i); 1818 snprintf(adapter->queues[i].namebuf, 1819 sizeof(adapter->queues[i].namebuf), "q%d", i); 1820 1821 if ((rnode = ixgbe_sysctl_instance(adapter)) == NULL) { 1822 aprint_error_dev(dev, "could not create sysctl root\n"); 1823 break; 1824 } 1825 1826 if (sysctl_createv(log, 0, &rnode, &rnode, 1827 0, CTLTYPE_NODE, 1828 adapter->queues[i].namebuf, SYSCTL_DESCR("Queue Name"), 1829 NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL) != 0) 1830 break; 1831 1832 if (sysctl_createv(log, 0, &rnode, &cnode, 1833 CTLFLAG_READWRITE, CTLTYPE_INT, 1834 "interrupt_rate", SYSCTL_DESCR("Interrupt Rate"), 1835 ixgbe_sysctl_interrupt_rate_handler, 0, 1836 (void *)&adapter->queues[i], 0, CTL_CREATE, CTL_EOL) != 0) 1837 break; 1838 1839 if (sysctl_createv(log, 0, &rnode, &cnode, 1840 CTLFLAG_READONLY, CTLTYPE_INT, 1841 "txd_head", SYSCTL_DESCR("Transmit Descriptor Head"), 1842 ixgbe_sysctl_tdh_handler, 0, (void *)txr, 1843 0, CTL_CREATE, CTL_EOL) != 0) 1844 break; 1845 1846 if (sysctl_createv(log, 0, &rnode, &cnode, 1847 CTLFLAG_READONLY, CTLTYPE_INT, 1848 "txd_tail", SYSCTL_DESCR("Transmit Descriptor Tail"), 1849 ixgbe_sysctl_tdt_handler, 0, (void *)txr, 1850 0, CTL_CREATE, CTL_EOL) != 0) 1851 break; 1852 1853 evcnt_attach_dynamic(&adapter->queues[i].irqs, EVCNT_TYPE_INTR, 1854 NULL, adapter->queues[i].evnamebuf, "IRQs on queue"); 1855 evcnt_attach_dynamic(&adapter->queues[i].handleq, 1856 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1857 "Handled queue in softint"); 1858 evcnt_attach_dynamic(&adapter->queues[i].req, EVCNT_TYPE_MISC, 1859 NULL, adapter->queues[i].evnamebuf, "Requeued in softint"); 1860 evcnt_attach_dynamic(&txr->tso_tx, EVCNT_TYPE_MISC, 1861 NULL, adapter->queues[i].evnamebuf, "TSO"); 1862 evcnt_attach_dynamic(&txr->no_desc_avail, EVCNT_TYPE_MISC, 1863 NULL, adapter->queues[i].evnamebuf, 1864 "Queue No Descriptor Available"); 1865 evcnt_attach_dynamic(&txr->total_packets, EVCNT_TYPE_MISC, 1866 NULL, adapter->queues[i].evnamebuf, 1867 "Queue Packets Transmitted"); 1868 #ifndef IXGBE_LEGACY_TX 1869 evcnt_attach_dynamic(&txr->pcq_drops, EVCNT_TYPE_MISC, 1870 NULL, adapter->queues[i].evnamebuf, 1871 "Packets dropped in pcq"); 1872 #endif 1873 1874 if (sysctl_createv(log, 0, &rnode, &cnode, 1875 CTLFLAG_READONLY, 1876 CTLTYPE_INT, 1877 "rxd_nxck", SYSCTL_DESCR("Receive Descriptor next to check"), 1878 ixgbe_sysctl_next_to_check_handler, 0, (void *)rxr, 0, 1879 CTL_CREATE, CTL_EOL) != 0) 1880 break; 1881 1882 if (sysctl_createv(log, 0, &rnode, &cnode, 1883 CTLFLAG_READONLY, 1884 CTLTYPE_INT, 1885 "rxd_head", SYSCTL_DESCR("Receive Descriptor Head"), 1886 ixgbe_sysctl_rdh_handler, 0, (void *)rxr, 0, 1887 CTL_CREATE, CTL_EOL) != 0) 1888 break; 1889 1890 if (sysctl_createv(log, 0, &rnode, &cnode, 1891 CTLFLAG_READONLY, 1892 CTLTYPE_INT, 1893 "rxd_tail", SYSCTL_DESCR("Receive Descriptor Tail"), 1894 ixgbe_sysctl_rdt_handler, 0, (void *)rxr, 0, 1895 CTL_CREATE, CTL_EOL) != 0) 1896 break; 1897 1898 if (i < __arraycount(stats->qprc)) { 1899 evcnt_attach_dynamic(&stats->qprc[i], 1900 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1901 "qprc"); 1902 evcnt_attach_dynamic(&stats->qptc[i], 1903 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1904 "qptc"); 1905 evcnt_attach_dynamic(&stats->qbrc[i], 1906 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1907 "qbrc"); 1908 evcnt_attach_dynamic(&stats->qbtc[i], 1909 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1910 "qbtc"); 1911 if (hw->mac.type >= ixgbe_mac_82599EB) 1912 evcnt_attach_dynamic(&stats->qprdc[i], 1913 EVCNT_TYPE_MISC, NULL, 1914 adapter->queues[i].evnamebuf, "qprdc"); 1915 } 1916 1917 evcnt_attach_dynamic(&rxr->rx_packets, EVCNT_TYPE_MISC, 1918 NULL, adapter->queues[i].evnamebuf, "Queue Packets Received"); 1919 evcnt_attach_dynamic(&rxr->rx_bytes, EVCNT_TYPE_MISC, 1920 NULL, adapter->queues[i].evnamebuf, "Queue Bytes Received"); 1921 evcnt_attach_dynamic(&rxr->rx_copies, EVCNT_TYPE_MISC, 1922 NULL, adapter->queues[i].evnamebuf, "Copied RX Frames"); 1923 evcnt_attach_dynamic(&rxr->no_jmbuf, EVCNT_TYPE_MISC, 1924 NULL, adapter->queues[i].evnamebuf, "Rx no jumbo mbuf"); 1925 evcnt_attach_dynamic(&rxr->rx_discarded, EVCNT_TYPE_MISC, 1926 NULL, adapter->queues[i].evnamebuf, "Rx discarded"); 1927 #ifdef LRO 1928 SYSCTL_ADD_INT(ctx, queue_list, OID_AUTO, "lro_queued", 1929 CTLFLAG_RD, &lro->lro_queued, 0, 1930 "LRO Queued"); 1931 SYSCTL_ADD_INT(ctx, queue_list, OID_AUTO, "lro_flushed", 1932 CTLFLAG_RD, &lro->lro_flushed, 0, 1933 "LRO Flushed"); 1934 #endif /* LRO */ 1935 } 1936 1937 /* MAC stats get their own sub node */ 1938 1939 snprintf(stats->namebuf, 1940 sizeof(stats->namebuf), "%s MAC Statistics", xname); 1941 1942 evcnt_attach_dynamic(&stats->ipcs, EVCNT_TYPE_MISC, NULL, 1943 stats->namebuf, "rx csum offload - IP"); 1944 evcnt_attach_dynamic(&stats->l4cs, EVCNT_TYPE_MISC, NULL, 1945 stats->namebuf, "rx csum offload - L4"); 1946 evcnt_attach_dynamic(&stats->ipcs_bad, EVCNT_TYPE_MISC, NULL, 1947 stats->namebuf, "rx csum offload - IP bad"); 1948 evcnt_attach_dynamic(&stats->l4cs_bad, EVCNT_TYPE_MISC, NULL, 1949 stats->namebuf, "rx csum offload - L4 bad"); 1950 evcnt_attach_dynamic(&stats->intzero, EVCNT_TYPE_MISC, NULL, 1951 stats->namebuf, "Interrupt conditions zero"); 1952 evcnt_attach_dynamic(&stats->legint, EVCNT_TYPE_MISC, NULL, 1953 stats->namebuf, "Legacy interrupts"); 1954 1955 evcnt_attach_dynamic(&stats->crcerrs, EVCNT_TYPE_MISC, NULL, 1956 stats->namebuf, "CRC Errors"); 1957 evcnt_attach_dynamic(&stats->illerrc, EVCNT_TYPE_MISC, NULL, 1958 stats->namebuf, "Illegal Byte Errors"); 1959 evcnt_attach_dynamic(&stats->errbc, EVCNT_TYPE_MISC, NULL, 1960 stats->namebuf, "Byte Errors"); 1961 evcnt_attach_dynamic(&stats->mspdc, EVCNT_TYPE_MISC, NULL, 1962 stats->namebuf, "MAC Short Packets Discarded"); 1963 if (hw->mac.type >= ixgbe_mac_X550) 1964 evcnt_attach_dynamic(&stats->mbsdc, EVCNT_TYPE_MISC, NULL, 1965 stats->namebuf, "Bad SFD"); 1966 evcnt_attach_dynamic(&stats->mpctotal, EVCNT_TYPE_MISC, NULL, 1967 stats->namebuf, "Total Packets Missed"); 1968 evcnt_attach_dynamic(&stats->mlfc, EVCNT_TYPE_MISC, NULL, 1969 stats->namebuf, "MAC Local Faults"); 1970 evcnt_attach_dynamic(&stats->mrfc, EVCNT_TYPE_MISC, NULL, 1971 stats->namebuf, "MAC Remote Faults"); 1972 evcnt_attach_dynamic(&stats->rlec, EVCNT_TYPE_MISC, NULL, 1973 stats->namebuf, "Receive Length Errors"); 1974 evcnt_attach_dynamic(&stats->lxontxc, EVCNT_TYPE_MISC, NULL, 1975 stats->namebuf, "Link XON Transmitted"); 1976 evcnt_attach_dynamic(&stats->lxonrxc, EVCNT_TYPE_MISC, NULL, 1977 stats->namebuf, "Link XON Received"); 1978 evcnt_attach_dynamic(&stats->lxofftxc, EVCNT_TYPE_MISC, NULL, 1979 stats->namebuf, "Link XOFF Transmitted"); 1980 evcnt_attach_dynamic(&stats->lxoffrxc, EVCNT_TYPE_MISC, NULL, 1981 stats->namebuf, "Link XOFF Received"); 1982 1983 /* Packet Reception Stats */ 1984 evcnt_attach_dynamic(&stats->tor, EVCNT_TYPE_MISC, NULL, 1985 stats->namebuf, "Total Octets Received"); 1986 evcnt_attach_dynamic(&stats->gorc, EVCNT_TYPE_MISC, NULL, 1987 stats->namebuf, "Good Octets Received"); 1988 evcnt_attach_dynamic(&stats->tpr, EVCNT_TYPE_MISC, NULL, 1989 stats->namebuf, "Total Packets Received"); 1990 evcnt_attach_dynamic(&stats->gprc, EVCNT_TYPE_MISC, NULL, 1991 stats->namebuf, "Good Packets Received"); 1992 evcnt_attach_dynamic(&stats->mprc, EVCNT_TYPE_MISC, NULL, 1993 stats->namebuf, "Multicast Packets Received"); 1994 evcnt_attach_dynamic(&stats->bprc, EVCNT_TYPE_MISC, NULL, 1995 stats->namebuf, "Broadcast Packets Received"); 1996 evcnt_attach_dynamic(&stats->prc64, EVCNT_TYPE_MISC, NULL, 1997 stats->namebuf, "64 byte frames received "); 1998 evcnt_attach_dynamic(&stats->prc127, EVCNT_TYPE_MISC, NULL, 1999 stats->namebuf, "65-127 byte frames received"); 2000 evcnt_attach_dynamic(&stats->prc255, EVCNT_TYPE_MISC, NULL, 2001 stats->namebuf, "128-255 byte frames received"); 2002 evcnt_attach_dynamic(&stats->prc511, EVCNT_TYPE_MISC, NULL, 2003 stats->namebuf, "256-511 byte frames received"); 2004 evcnt_attach_dynamic(&stats->prc1023, EVCNT_TYPE_MISC, NULL, 2005 stats->namebuf, "512-1023 byte frames received"); 2006 evcnt_attach_dynamic(&stats->prc1522, EVCNT_TYPE_MISC, NULL, 2007 stats->namebuf, "1023-1522 byte frames received"); 2008 evcnt_attach_dynamic(&stats->ruc, EVCNT_TYPE_MISC, NULL, 2009 stats->namebuf, "Receive Undersized"); 2010 evcnt_attach_dynamic(&stats->rfc, EVCNT_TYPE_MISC, NULL, 2011 stats->namebuf, "Fragmented Packets Received "); 2012 evcnt_attach_dynamic(&stats->roc, EVCNT_TYPE_MISC, NULL, 2013 stats->namebuf, "Oversized Packets Received"); 2014 evcnt_attach_dynamic(&stats->rjc, EVCNT_TYPE_MISC, NULL, 2015 stats->namebuf, "Received Jabber"); 2016 evcnt_attach_dynamic(&stats->mngprc, EVCNT_TYPE_MISC, NULL, 2017 stats->namebuf, "Management Packets Received"); 2018 evcnt_attach_dynamic(&stats->mngpdc, EVCNT_TYPE_MISC, NULL, 2019 stats->namebuf, "Management Packets Dropped"); 2020 evcnt_attach_dynamic(&stats->xec, EVCNT_TYPE_MISC, NULL, 2021 stats->namebuf, "Checksum Errors"); 2022 2023 /* Packet Transmission Stats */ 2024 evcnt_attach_dynamic(&stats->gotc, EVCNT_TYPE_MISC, NULL, 2025 stats->namebuf, "Good Octets Transmitted"); 2026 evcnt_attach_dynamic(&stats->tpt, EVCNT_TYPE_MISC, NULL, 2027 stats->namebuf, "Total Packets Transmitted"); 2028 evcnt_attach_dynamic(&stats->gptc, EVCNT_TYPE_MISC, NULL, 2029 stats->namebuf, "Good Packets Transmitted"); 2030 evcnt_attach_dynamic(&stats->bptc, EVCNT_TYPE_MISC, NULL, 2031 stats->namebuf, "Broadcast Packets Transmitted"); 2032 evcnt_attach_dynamic(&stats->mptc, EVCNT_TYPE_MISC, NULL, 2033 stats->namebuf, "Multicast Packets Transmitted"); 2034 evcnt_attach_dynamic(&stats->mngptc, EVCNT_TYPE_MISC, NULL, 2035 stats->namebuf, "Management Packets Transmitted"); 2036 evcnt_attach_dynamic(&stats->ptc64, EVCNT_TYPE_MISC, NULL, 2037 stats->namebuf, "64 byte frames transmitted "); 2038 evcnt_attach_dynamic(&stats->ptc127, EVCNT_TYPE_MISC, NULL, 2039 stats->namebuf, "65-127 byte frames transmitted"); 2040 evcnt_attach_dynamic(&stats->ptc255, EVCNT_TYPE_MISC, NULL, 2041 stats->namebuf, "128-255 byte frames transmitted"); 2042 evcnt_attach_dynamic(&stats->ptc511, EVCNT_TYPE_MISC, NULL, 2043 stats->namebuf, "256-511 byte frames transmitted"); 2044 evcnt_attach_dynamic(&stats->ptc1023, EVCNT_TYPE_MISC, NULL, 2045 stats->namebuf, "512-1023 byte frames transmitted"); 2046 evcnt_attach_dynamic(&stats->ptc1522, EVCNT_TYPE_MISC, NULL, 2047 stats->namebuf, "1024-1522 byte frames transmitted"); 2048 } /* ixgbe_add_hw_stats */ 2049 2050 static void 2051 ixgbe_clear_evcnt(struct adapter *adapter) 2052 { 2053 struct tx_ring *txr = adapter->tx_rings; 2054 struct rx_ring *rxr = adapter->rx_rings; 2055 struct ixgbe_hw *hw = &adapter->hw; 2056 struct ixgbe_hw_stats *stats = &adapter->stats.pf; 2057 int i; 2058 2059 adapter->efbig_tx_dma_setup.ev_count = 0; 2060 adapter->mbuf_defrag_failed.ev_count = 0; 2061 adapter->efbig2_tx_dma_setup.ev_count = 0; 2062 adapter->einval_tx_dma_setup.ev_count = 0; 2063 adapter->other_tx_dma_setup.ev_count = 0; 2064 adapter->eagain_tx_dma_setup.ev_count = 0; 2065 adapter->enomem_tx_dma_setup.ev_count = 0; 2066 adapter->tso_err.ev_count = 0; 2067 adapter->watchdog_events.ev_count = 0; 2068 adapter->link_irq.ev_count = 0; 2069 adapter->link_sicount.ev_count = 0; 2070 adapter->mod_sicount.ev_count = 0; 2071 adapter->msf_sicount.ev_count = 0; 2072 adapter->phy_sicount.ev_count = 0; 2073 2074 for (i = 0; i < IXGBE_DCB_MAX_TRAFFIC_CLASS; i++) { 2075 if (i < __arraycount(stats->mpc)) { 2076 stats->mpc[i].ev_count = 0; 2077 if (hw->mac.type == ixgbe_mac_82598EB) 2078 stats->rnbc[i].ev_count = 0; 2079 } 2080 if (i < __arraycount(stats->pxontxc)) { 2081 stats->pxontxc[i].ev_count = 0; 2082 stats->pxonrxc[i].ev_count = 0; 2083 stats->pxofftxc[i].ev_count = 0; 2084 stats->pxoffrxc[i].ev_count = 0; 2085 if (hw->mac.type >= ixgbe_mac_82599EB) 2086 stats->pxon2offc[i].ev_count = 0; 2087 } 2088 } 2089 2090 txr = adapter->tx_rings; 2091 for (i = 0; i < adapter->num_queues; i++, rxr++, txr++) { 2092 adapter->queues[i].irqs.ev_count = 0; 2093 adapter->queues[i].handleq.ev_count = 0; 2094 adapter->queues[i].req.ev_count = 0; 2095 txr->no_desc_avail.ev_count = 0; 2096 txr->total_packets.ev_count = 0; 2097 txr->tso_tx.ev_count = 0; 2098 #ifndef IXGBE_LEGACY_TX 2099 txr->pcq_drops.ev_count = 0; 2100 #endif 2101 txr->q_efbig_tx_dma_setup = 0; 2102 txr->q_mbuf_defrag_failed = 0; 2103 txr->q_efbig2_tx_dma_setup = 0; 2104 txr->q_einval_tx_dma_setup = 0; 2105 txr->q_other_tx_dma_setup = 0; 2106 txr->q_eagain_tx_dma_setup = 0; 2107 txr->q_enomem_tx_dma_setup = 0; 2108 txr->q_tso_err = 0; 2109 2110 if (i < __arraycount(stats->qprc)) { 2111 stats->qprc[i].ev_count = 0; 2112 stats->qptc[i].ev_count = 0; 2113 stats->qbrc[i].ev_count = 0; 2114 stats->qbtc[i].ev_count = 0; 2115 if (hw->mac.type >= ixgbe_mac_82599EB) 2116 stats->qprdc[i].ev_count = 0; 2117 } 2118 2119 rxr->rx_packets.ev_count = 0; 2120 rxr->rx_bytes.ev_count = 0; 2121 rxr->rx_copies.ev_count = 0; 2122 rxr->no_jmbuf.ev_count = 0; 2123 rxr->rx_discarded.ev_count = 0; 2124 } 2125 stats->ipcs.ev_count = 0; 2126 stats->l4cs.ev_count = 0; 2127 stats->ipcs_bad.ev_count = 0; 2128 stats->l4cs_bad.ev_count = 0; 2129 stats->intzero.ev_count = 0; 2130 stats->legint.ev_count = 0; 2131 stats->crcerrs.ev_count = 0; 2132 stats->illerrc.ev_count = 0; 2133 stats->errbc.ev_count = 0; 2134 stats->mspdc.ev_count = 0; 2135 stats->mbsdc.ev_count = 0; 2136 stats->mpctotal.ev_count = 0; 2137 stats->mlfc.ev_count = 0; 2138 stats->mrfc.ev_count = 0; 2139 stats->rlec.ev_count = 0; 2140 stats->lxontxc.ev_count = 0; 2141 stats->lxonrxc.ev_count = 0; 2142 stats->lxofftxc.ev_count = 0; 2143 stats->lxoffrxc.ev_count = 0; 2144 2145 /* Packet Reception Stats */ 2146 stats->tor.ev_count = 0; 2147 stats->gorc.ev_count = 0; 2148 stats->tpr.ev_count = 0; 2149 stats->gprc.ev_count = 0; 2150 stats->mprc.ev_count = 0; 2151 stats->bprc.ev_count = 0; 2152 stats->prc64.ev_count = 0; 2153 stats->prc127.ev_count = 0; 2154 stats->prc255.ev_count = 0; 2155 stats->prc511.ev_count = 0; 2156 stats->prc1023.ev_count = 0; 2157 stats->prc1522.ev_count = 0; 2158 stats->ruc.ev_count = 0; 2159 stats->rfc.ev_count = 0; 2160 stats->roc.ev_count = 0; 2161 stats->rjc.ev_count = 0; 2162 stats->mngprc.ev_count = 0; 2163 stats->mngpdc.ev_count = 0; 2164 stats->xec.ev_count = 0; 2165 2166 /* Packet Transmission Stats */ 2167 stats->gotc.ev_count = 0; 2168 stats->tpt.ev_count = 0; 2169 stats->gptc.ev_count = 0; 2170 stats->bptc.ev_count = 0; 2171 stats->mptc.ev_count = 0; 2172 stats->mngptc.ev_count = 0; 2173 stats->ptc64.ev_count = 0; 2174 stats->ptc127.ev_count = 0; 2175 stats->ptc255.ev_count = 0; 2176 stats->ptc511.ev_count = 0; 2177 stats->ptc1023.ev_count = 0; 2178 stats->ptc1522.ev_count = 0; 2179 } 2180 2181 /************************************************************************ 2182 * ixgbe_sysctl_tdh_handler - Transmit Descriptor Head handler function 2183 * 2184 * Retrieves the TDH value from the hardware 2185 ************************************************************************/ 2186 static int 2187 ixgbe_sysctl_tdh_handler(SYSCTLFN_ARGS) 2188 { 2189 struct sysctlnode node = *rnode; 2190 struct tx_ring *txr = (struct tx_ring *)node.sysctl_data; 2191 struct adapter *adapter; 2192 uint32_t val; 2193 2194 if (!txr) 2195 return (0); 2196 2197 adapter = txr->adapter; 2198 if (ixgbe_fw_recovery_mode_swflag(adapter)) 2199 return (EPERM); 2200 2201 val = IXGBE_READ_REG(&adapter->hw, IXGBE_TDH(txr->me)); 2202 node.sysctl_data = &val; 2203 return sysctl_lookup(SYSCTLFN_CALL(&node)); 2204 } /* ixgbe_sysctl_tdh_handler */ 2205 2206 /************************************************************************ 2207 * ixgbe_sysctl_tdt_handler - Transmit Descriptor Tail handler function 2208 * 2209 * Retrieves the TDT value from the hardware 2210 ************************************************************************/ 2211 static int 2212 ixgbe_sysctl_tdt_handler(SYSCTLFN_ARGS) 2213 { 2214 struct sysctlnode node = *rnode; 2215 struct tx_ring *txr = (struct tx_ring *)node.sysctl_data; 2216 struct adapter *adapter; 2217 uint32_t val; 2218 2219 if (!txr) 2220 return (0); 2221 2222 adapter = txr->adapter; 2223 if (ixgbe_fw_recovery_mode_swflag(adapter)) 2224 return (EPERM); 2225 2226 val = IXGBE_READ_REG(&adapter->hw, IXGBE_TDT(txr->me)); 2227 node.sysctl_data = &val; 2228 return sysctl_lookup(SYSCTLFN_CALL(&node)); 2229 } /* ixgbe_sysctl_tdt_handler */ 2230 2231 /************************************************************************ 2232 * ixgbe_sysctl_next_to_check_handler - Receive Descriptor next to check 2233 * handler function 2234 * 2235 * Retrieves the next_to_check value 2236 ************************************************************************/ 2237 static int 2238 ixgbe_sysctl_next_to_check_handler(SYSCTLFN_ARGS) 2239 { 2240 struct sysctlnode node = *rnode; 2241 struct rx_ring *rxr = (struct rx_ring *)node.sysctl_data; 2242 struct adapter *adapter; 2243 uint32_t val; 2244 2245 if (!rxr) 2246 return (0); 2247 2248 adapter = rxr->adapter; 2249 if (ixgbe_fw_recovery_mode_swflag(adapter)) 2250 return (EPERM); 2251 2252 val = rxr->next_to_check; 2253 node.sysctl_data = &val; 2254 return sysctl_lookup(SYSCTLFN_CALL(&node)); 2255 } /* ixgbe_sysctl_next_to_check_handler */ 2256 2257 /************************************************************************ 2258 * ixgbe_sysctl_rdh_handler - Receive Descriptor Head handler function 2259 * 2260 * Retrieves the RDH value from the hardware 2261 ************************************************************************/ 2262 static int 2263 ixgbe_sysctl_rdh_handler(SYSCTLFN_ARGS) 2264 { 2265 struct sysctlnode node = *rnode; 2266 struct rx_ring *rxr = (struct rx_ring *)node.sysctl_data; 2267 struct adapter *adapter; 2268 uint32_t val; 2269 2270 if (!rxr) 2271 return (0); 2272 2273 adapter = rxr->adapter; 2274 if (ixgbe_fw_recovery_mode_swflag(adapter)) 2275 return (EPERM); 2276 2277 val = IXGBE_READ_REG(&adapter->hw, IXGBE_RDH(rxr->me)); 2278 node.sysctl_data = &val; 2279 return sysctl_lookup(SYSCTLFN_CALL(&node)); 2280 } /* ixgbe_sysctl_rdh_handler */ 2281 2282 /************************************************************************ 2283 * ixgbe_sysctl_rdt_handler - Receive Descriptor Tail handler function 2284 * 2285 * Retrieves the RDT value from the hardware 2286 ************************************************************************/ 2287 static int 2288 ixgbe_sysctl_rdt_handler(SYSCTLFN_ARGS) 2289 { 2290 struct sysctlnode node = *rnode; 2291 struct rx_ring *rxr = (struct rx_ring *)node.sysctl_data; 2292 struct adapter *adapter; 2293 uint32_t val; 2294 2295 if (!rxr) 2296 return (0); 2297 2298 adapter = rxr->adapter; 2299 if (ixgbe_fw_recovery_mode_swflag(adapter)) 2300 return (EPERM); 2301 2302 val = IXGBE_READ_REG(&adapter->hw, IXGBE_RDT(rxr->me)); 2303 node.sysctl_data = &val; 2304 return sysctl_lookup(SYSCTLFN_CALL(&node)); 2305 } /* ixgbe_sysctl_rdt_handler */ 2306 2307 #if 0 /* XXX Badly need to overhaul vlan(4) on NetBSD. */ 2308 /************************************************************************ 2309 * ixgbe_register_vlan 2310 * 2311 * Run via vlan config EVENT, it enables us to use the 2312 * HW Filter table since we can get the vlan id. This 2313 * just creates the entry in the soft version of the 2314 * VFTA, init will repopulate the real table. 2315 ************************************************************************/ 2316 static void 2317 ixgbe_register_vlan(void *arg, struct ifnet *ifp, u16 vtag) 2318 { 2319 struct adapter *adapter = ifp->if_softc; 2320 u16 index, bit; 2321 2322 if (ifp->if_softc != arg) /* Not our event */ 2323 return; 2324 2325 if ((vtag == 0) || (vtag > 4095)) /* Invalid */ 2326 return; 2327 2328 IXGBE_CORE_LOCK(adapter); 2329 index = (vtag >> 5) & 0x7F; 2330 bit = vtag & 0x1F; 2331 adapter->shadow_vfta[index] |= (1 << bit); 2332 ixgbe_setup_vlan_hw_support(adapter); 2333 IXGBE_CORE_UNLOCK(adapter); 2334 } /* ixgbe_register_vlan */ 2335 2336 /************************************************************************ 2337 * ixgbe_unregister_vlan 2338 * 2339 * Run via vlan unconfig EVENT, remove our entry in the soft vfta. 2340 ************************************************************************/ 2341 static void 2342 ixgbe_unregister_vlan(void *arg, struct ifnet *ifp, u16 vtag) 2343 { 2344 struct adapter *adapter = ifp->if_softc; 2345 u16 index, bit; 2346 2347 if (ifp->if_softc != arg) 2348 return; 2349 2350 if ((vtag == 0) || (vtag > 4095)) /* Invalid */ 2351 return; 2352 2353 IXGBE_CORE_LOCK(adapter); 2354 index = (vtag >> 5) & 0x7F; 2355 bit = vtag & 0x1F; 2356 adapter->shadow_vfta[index] &= ~(1 << bit); 2357 /* Re-init to load the changes */ 2358 ixgbe_setup_vlan_hw_support(adapter); 2359 IXGBE_CORE_UNLOCK(adapter); 2360 } /* ixgbe_unregister_vlan */ 2361 #endif 2362 2363 static void 2364 ixgbe_setup_vlan_hw_support(struct adapter *adapter) 2365 { 2366 struct ethercom *ec = &adapter->osdep.ec; 2367 struct ixgbe_hw *hw = &adapter->hw; 2368 struct rx_ring *rxr; 2369 int i; 2370 u32 ctrl; 2371 2372 2373 /* 2374 * We get here thru init_locked, meaning 2375 * a soft reset, this has already cleared 2376 * the VFTA and other state, so if there 2377 * have been no vlan's registered do nothing. 2378 */ 2379 if (!VLAN_ATTACHED(&adapter->osdep.ec)) 2380 return; 2381 2382 /* Setup the queues for vlans */ 2383 if (ec->ec_capenable & ETHERCAP_VLAN_HWTAGGING) { 2384 for (i = 0; i < adapter->num_queues; i++) { 2385 rxr = &adapter->rx_rings[i]; 2386 /* On 82599 the VLAN enable is per/queue in RXDCTL */ 2387 if (hw->mac.type != ixgbe_mac_82598EB) { 2388 ctrl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(rxr->me)); 2389 ctrl |= IXGBE_RXDCTL_VME; 2390 IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(rxr->me), ctrl); 2391 } 2392 rxr->vtag_strip = TRUE; 2393 } 2394 } 2395 2396 if ((ec->ec_capenable & ETHERCAP_VLAN_HWFILTER) == 0) 2397 return; 2398 /* 2399 * A soft reset zero's out the VFTA, so 2400 * we need to repopulate it now. 2401 */ 2402 for (i = 0; i < IXGBE_VFTA_SIZE; i++) 2403 if (adapter->shadow_vfta[i] != 0) 2404 IXGBE_WRITE_REG(hw, IXGBE_VFTA(i), 2405 adapter->shadow_vfta[i]); 2406 2407 ctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL); 2408 /* Enable the Filter Table if enabled */ 2409 if (ec->ec_capenable & ETHERCAP_VLAN_HWFILTER) { 2410 ctrl &= ~IXGBE_VLNCTRL_CFIEN; 2411 ctrl |= IXGBE_VLNCTRL_VFE; 2412 } 2413 if (hw->mac.type == ixgbe_mac_82598EB) 2414 ctrl |= IXGBE_VLNCTRL_VME; 2415 IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, ctrl); 2416 } /* ixgbe_setup_vlan_hw_support */ 2417 2418 /************************************************************************ 2419 * ixgbe_get_slot_info 2420 * 2421 * Get the width and transaction speed of 2422 * the slot this adapter is plugged into. 2423 ************************************************************************/ 2424 static void 2425 ixgbe_get_slot_info(struct adapter *adapter) 2426 { 2427 device_t dev = adapter->dev; 2428 struct ixgbe_hw *hw = &adapter->hw; 2429 u32 offset; 2430 u16 link; 2431 int bus_info_valid = TRUE; 2432 2433 /* Some devices are behind an internal bridge */ 2434 switch (hw->device_id) { 2435 case IXGBE_DEV_ID_82599_SFP_SF_QP: 2436 case IXGBE_DEV_ID_82599_QSFP_SF_QP: 2437 goto get_parent_info; 2438 default: 2439 break; 2440 } 2441 2442 ixgbe_get_bus_info(hw); 2443 2444 /* 2445 * Some devices don't use PCI-E, but there is no need 2446 * to display "Unknown" for bus speed and width. 2447 */ 2448 switch (hw->mac.type) { 2449 case ixgbe_mac_X550EM_x: 2450 case ixgbe_mac_X550EM_a: 2451 return; 2452 default: 2453 goto display; 2454 } 2455 2456 get_parent_info: 2457 /* 2458 * For the Quad port adapter we need to parse back 2459 * up the PCI tree to find the speed of the expansion 2460 * slot into which this adapter is plugged. A bit more work. 2461 */ 2462 dev = device_parent(device_parent(dev)); 2463 #if 0 2464 #ifdef IXGBE_DEBUG 2465 device_printf(dev, "parent pcib = %x,%x,%x\n", pci_get_bus(dev), 2466 pci_get_slot(dev), pci_get_function(dev)); 2467 #endif 2468 dev = device_parent(device_parent(dev)); 2469 #ifdef IXGBE_DEBUG 2470 device_printf(dev, "slot pcib = %x,%x,%x\n", pci_get_bus(dev), 2471 pci_get_slot(dev), pci_get_function(dev)); 2472 #endif 2473 #endif 2474 /* Now get the PCI Express Capabilities offset */ 2475 if (pci_get_capability(adapter->osdep.pc, adapter->osdep.tag, 2476 PCI_CAP_PCIEXPRESS, &offset, NULL)) { 2477 /* 2478 * Hmm...can't get PCI-Express capabilities. 2479 * Falling back to default method. 2480 */ 2481 bus_info_valid = FALSE; 2482 ixgbe_get_bus_info(hw); 2483 goto display; 2484 } 2485 /* ...and read the Link Status Register */ 2486 link = pci_conf_read(adapter->osdep.pc, adapter->osdep.tag, 2487 offset + PCIE_LCSR) >> 16; 2488 ixgbe_set_pci_config_data_generic(hw, link); 2489 2490 display: 2491 device_printf(dev, "PCI Express Bus: Speed %s Width %s\n", 2492 ((hw->bus.speed == ixgbe_bus_speed_8000) ? "8.0GT/s" : 2493 (hw->bus.speed == ixgbe_bus_speed_5000) ? "5.0GT/s" : 2494 (hw->bus.speed == ixgbe_bus_speed_2500) ? "2.5GT/s" : 2495 "Unknown"), 2496 ((hw->bus.width == ixgbe_bus_width_pcie_x8) ? "x8" : 2497 (hw->bus.width == ixgbe_bus_width_pcie_x4) ? "x4" : 2498 (hw->bus.width == ixgbe_bus_width_pcie_x1) ? "x1" : 2499 "Unknown")); 2500 2501 if (bus_info_valid) { 2502 if ((hw->device_id != IXGBE_DEV_ID_82599_SFP_SF_QP) && 2503 ((hw->bus.width <= ixgbe_bus_width_pcie_x4) && 2504 (hw->bus.speed == ixgbe_bus_speed_2500))) { 2505 device_printf(dev, "PCI-Express bandwidth available" 2506 " for this card\n is not sufficient for" 2507 " optimal performance.\n"); 2508 device_printf(dev, "For optimal performance a x8 " 2509 "PCIE, or x4 PCIE Gen2 slot is required.\n"); 2510 } 2511 if ((hw->device_id == IXGBE_DEV_ID_82599_SFP_SF_QP) && 2512 ((hw->bus.width <= ixgbe_bus_width_pcie_x8) && 2513 (hw->bus.speed < ixgbe_bus_speed_8000))) { 2514 device_printf(dev, "PCI-Express bandwidth available" 2515 " for this card\n is not sufficient for" 2516 " optimal performance.\n"); 2517 device_printf(dev, "For optimal performance a x8 " 2518 "PCIE Gen3 slot is required.\n"); 2519 } 2520 } else 2521 device_printf(dev, "Unable to determine slot speed/width. The speed/width reported are that of the internal switch.\n"); 2522 2523 return; 2524 } /* ixgbe_get_slot_info */ 2525 2526 /************************************************************************ 2527 * ixgbe_enable_queue - MSI-X Interrupt Handlers and Tasklets 2528 ************************************************************************/ 2529 static inline void 2530 ixgbe_enable_queue(struct adapter *adapter, u32 vector) 2531 { 2532 struct ixgbe_hw *hw = &adapter->hw; 2533 struct ix_queue *que = &adapter->queues[vector]; 2534 u64 queue = (u64)(1ULL << vector); 2535 u32 mask; 2536 2537 mutex_enter(&que->dc_mtx); 2538 if (que->disabled_count > 0 && --que->disabled_count > 0) 2539 goto out; 2540 2541 if (hw->mac.type == ixgbe_mac_82598EB) { 2542 mask = (IXGBE_EIMS_RTX_QUEUE & queue); 2543 IXGBE_WRITE_REG(hw, IXGBE_EIMS, mask); 2544 } else { 2545 mask = (queue & 0xFFFFFFFF); 2546 if (mask) 2547 IXGBE_WRITE_REG(hw, IXGBE_EIMS_EX(0), mask); 2548 mask = (queue >> 32); 2549 if (mask) 2550 IXGBE_WRITE_REG(hw, IXGBE_EIMS_EX(1), mask); 2551 } 2552 out: 2553 mutex_exit(&que->dc_mtx); 2554 } /* ixgbe_enable_queue */ 2555 2556 /************************************************************************ 2557 * ixgbe_disable_queue_internal 2558 ************************************************************************/ 2559 static inline void 2560 ixgbe_disable_queue_internal(struct adapter *adapter, u32 vector, bool nestok) 2561 { 2562 struct ixgbe_hw *hw = &adapter->hw; 2563 struct ix_queue *que = &adapter->queues[vector]; 2564 u64 queue = (u64)(1ULL << vector); 2565 u32 mask; 2566 2567 mutex_enter(&que->dc_mtx); 2568 2569 if (que->disabled_count > 0) { 2570 if (nestok) 2571 que->disabled_count++; 2572 goto out; 2573 } 2574 que->disabled_count++; 2575 2576 if (hw->mac.type == ixgbe_mac_82598EB) { 2577 mask = (IXGBE_EIMS_RTX_QUEUE & queue); 2578 IXGBE_WRITE_REG(hw, IXGBE_EIMC, mask); 2579 } else { 2580 mask = (queue & 0xFFFFFFFF); 2581 if (mask) 2582 IXGBE_WRITE_REG(hw, IXGBE_EIMC_EX(0), mask); 2583 mask = (queue >> 32); 2584 if (mask) 2585 IXGBE_WRITE_REG(hw, IXGBE_EIMC_EX(1), mask); 2586 } 2587 out: 2588 mutex_exit(&que->dc_mtx); 2589 } /* ixgbe_disable_queue_internal */ 2590 2591 /************************************************************************ 2592 * ixgbe_disable_queue 2593 ************************************************************************/ 2594 static inline void 2595 ixgbe_disable_queue(struct adapter *adapter, u32 vector) 2596 { 2597 2598 ixgbe_disable_queue_internal(adapter, vector, true); 2599 } /* ixgbe_disable_queue */ 2600 2601 /************************************************************************ 2602 * ixgbe_sched_handle_que - schedule deferred packet processing 2603 ************************************************************************/ 2604 static inline void 2605 ixgbe_sched_handle_que(struct adapter *adapter, struct ix_queue *que) 2606 { 2607 2608 if(que->txrx_use_workqueue) { 2609 /* 2610 * adapter->que_wq is bound to each CPU instead of 2611 * each NIC queue to reduce workqueue kthread. As we 2612 * should consider about interrupt affinity in this 2613 * function, the workqueue kthread must be WQ_PERCPU. 2614 * If create WQ_PERCPU workqueue kthread for each NIC 2615 * queue, that number of created workqueue kthread is 2616 * (number of used NIC queue) * (number of CPUs) = 2617 * (number of CPUs) ^ 2 most often. 2618 * 2619 * The same NIC queue's interrupts are avoided by 2620 * masking the queue's interrupt. And different 2621 * NIC queue's interrupts use different struct work 2622 * (que->wq_cookie). So, "enqueued flag" to avoid 2623 * twice workqueue_enqueue() is not required . 2624 */ 2625 workqueue_enqueue(adapter->que_wq, &que->wq_cookie, curcpu()); 2626 } else { 2627 softint_schedule(que->que_si); 2628 } 2629 } 2630 2631 /************************************************************************ 2632 * ixgbe_msix_que - MSI-X Queue Interrupt Service routine 2633 ************************************************************************/ 2634 static int 2635 ixgbe_msix_que(void *arg) 2636 { 2637 struct ix_queue *que = arg; 2638 struct adapter *adapter = que->adapter; 2639 struct ifnet *ifp = adapter->ifp; 2640 struct tx_ring *txr = que->txr; 2641 struct rx_ring *rxr = que->rxr; 2642 bool more; 2643 u32 newitr = 0; 2644 2645 /* Protect against spurious interrupts */ 2646 if ((ifp->if_flags & IFF_RUNNING) == 0) 2647 return 0; 2648 2649 ixgbe_disable_queue(adapter, que->msix); 2650 ++que->irqs.ev_count; 2651 2652 /* 2653 * Don't change "que->txrx_use_workqueue" from this point to avoid 2654 * flip-flopping softint/workqueue mode in one deferred processing. 2655 */ 2656 que->txrx_use_workqueue = adapter->txrx_use_workqueue; 2657 2658 #ifdef __NetBSD__ 2659 /* Don't run ixgbe_rxeof in interrupt context */ 2660 more = true; 2661 #else 2662 more = ixgbe_rxeof(que); 2663 #endif 2664 2665 IXGBE_TX_LOCK(txr); 2666 ixgbe_txeof(txr); 2667 IXGBE_TX_UNLOCK(txr); 2668 2669 /* Do AIM now? */ 2670 2671 if (adapter->enable_aim == false) 2672 goto no_calc; 2673 /* 2674 * Do Adaptive Interrupt Moderation: 2675 * - Write out last calculated setting 2676 * - Calculate based on average size over 2677 * the last interval. 2678 */ 2679 if (que->eitr_setting) 2680 ixgbe_eitr_write(adapter, que->msix, que->eitr_setting); 2681 2682 que->eitr_setting = 0; 2683 2684 /* Idle, do nothing */ 2685 if ((txr->bytes == 0) && (rxr->bytes == 0)) 2686 goto no_calc; 2687 2688 if ((txr->bytes) && (txr->packets)) 2689 newitr = txr->bytes/txr->packets; 2690 if ((rxr->bytes) && (rxr->packets)) 2691 newitr = uimax(newitr, (rxr->bytes / rxr->packets)); 2692 newitr += 24; /* account for hardware frame, crc */ 2693 2694 /* set an upper boundary */ 2695 newitr = uimin(newitr, 3000); 2696 2697 /* Be nice to the mid range */ 2698 if ((newitr > 300) && (newitr < 1200)) 2699 newitr = (newitr / 3); 2700 else 2701 newitr = (newitr / 2); 2702 2703 /* 2704 * When RSC is used, ITR interval must be larger than RSC_DELAY. 2705 * Currently, we use 2us for RSC_DELAY. The minimum value is always 2706 * greater than 2us on 100M (and 10M?(not documented)), but it's not 2707 * on 1G and higher. 2708 */ 2709 if ((adapter->link_speed != IXGBE_LINK_SPEED_100_FULL) 2710 && (adapter->link_speed != IXGBE_LINK_SPEED_10_FULL)) { 2711 if (newitr < IXGBE_MIN_RSC_EITR_10G1G) 2712 newitr = IXGBE_MIN_RSC_EITR_10G1G; 2713 } 2714 2715 /* save for next interrupt */ 2716 que->eitr_setting = newitr; 2717 2718 /* Reset state */ 2719 txr->bytes = 0; 2720 txr->packets = 0; 2721 rxr->bytes = 0; 2722 rxr->packets = 0; 2723 2724 no_calc: 2725 if (more) 2726 ixgbe_sched_handle_que(adapter, que); 2727 else 2728 ixgbe_enable_queue(adapter, que->msix); 2729 2730 return 1; 2731 } /* ixgbe_msix_que */ 2732 2733 /************************************************************************ 2734 * ixgbe_media_status - Media Ioctl callback 2735 * 2736 * Called whenever the user queries the status of 2737 * the interface using ifconfig. 2738 ************************************************************************/ 2739 static void 2740 ixgbe_media_status(struct ifnet *ifp, struct ifmediareq *ifmr) 2741 { 2742 struct adapter *adapter = ifp->if_softc; 2743 struct ixgbe_hw *hw = &adapter->hw; 2744 int layer; 2745 2746 INIT_DEBUGOUT("ixgbe_media_status: begin"); 2747 IXGBE_CORE_LOCK(adapter); 2748 ixgbe_update_link_status(adapter); 2749 2750 ifmr->ifm_status = IFM_AVALID; 2751 ifmr->ifm_active = IFM_ETHER; 2752 2753 if (!adapter->link_active) { 2754 ifmr->ifm_active |= IFM_NONE; 2755 IXGBE_CORE_UNLOCK(adapter); 2756 return; 2757 } 2758 2759 ifmr->ifm_status |= IFM_ACTIVE; 2760 layer = adapter->phy_layer; 2761 2762 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_T || 2763 layer & IXGBE_PHYSICAL_LAYER_5GBASE_T || 2764 layer & IXGBE_PHYSICAL_LAYER_2500BASE_T || 2765 layer & IXGBE_PHYSICAL_LAYER_1000BASE_T || 2766 layer & IXGBE_PHYSICAL_LAYER_100BASE_TX || 2767 layer & IXGBE_PHYSICAL_LAYER_10BASE_T) 2768 switch (adapter->link_speed) { 2769 case IXGBE_LINK_SPEED_10GB_FULL: 2770 ifmr->ifm_active |= IFM_10G_T | IFM_FDX; 2771 break; 2772 case IXGBE_LINK_SPEED_5GB_FULL: 2773 ifmr->ifm_active |= IFM_5000_T | IFM_FDX; 2774 break; 2775 case IXGBE_LINK_SPEED_2_5GB_FULL: 2776 ifmr->ifm_active |= IFM_2500_T | IFM_FDX; 2777 break; 2778 case IXGBE_LINK_SPEED_1GB_FULL: 2779 ifmr->ifm_active |= IFM_1000_T | IFM_FDX; 2780 break; 2781 case IXGBE_LINK_SPEED_100_FULL: 2782 ifmr->ifm_active |= IFM_100_TX | IFM_FDX; 2783 break; 2784 case IXGBE_LINK_SPEED_10_FULL: 2785 ifmr->ifm_active |= IFM_10_T | IFM_FDX; 2786 break; 2787 } 2788 if (layer & IXGBE_PHYSICAL_LAYER_SFP_PLUS_CU || 2789 layer & IXGBE_PHYSICAL_LAYER_SFP_ACTIVE_DA) 2790 switch (adapter->link_speed) { 2791 case IXGBE_LINK_SPEED_10GB_FULL: 2792 ifmr->ifm_active |= IFM_10G_TWINAX | IFM_FDX; 2793 break; 2794 } 2795 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_LR) 2796 switch (adapter->link_speed) { 2797 case IXGBE_LINK_SPEED_10GB_FULL: 2798 ifmr->ifm_active |= IFM_10G_LR | IFM_FDX; 2799 break; 2800 case IXGBE_LINK_SPEED_1GB_FULL: 2801 ifmr->ifm_active |= IFM_1000_LX | IFM_FDX; 2802 break; 2803 } 2804 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_LRM) 2805 switch (adapter->link_speed) { 2806 case IXGBE_LINK_SPEED_10GB_FULL: 2807 ifmr->ifm_active |= IFM_10G_LRM | IFM_FDX; 2808 break; 2809 case IXGBE_LINK_SPEED_1GB_FULL: 2810 ifmr->ifm_active |= IFM_1000_LX | IFM_FDX; 2811 break; 2812 } 2813 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_SR || 2814 layer & IXGBE_PHYSICAL_LAYER_1000BASE_SX) 2815 switch (adapter->link_speed) { 2816 case IXGBE_LINK_SPEED_10GB_FULL: 2817 ifmr->ifm_active |= IFM_10G_SR | IFM_FDX; 2818 break; 2819 case IXGBE_LINK_SPEED_1GB_FULL: 2820 ifmr->ifm_active |= IFM_1000_SX | IFM_FDX; 2821 break; 2822 } 2823 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_CX4) 2824 switch (adapter->link_speed) { 2825 case IXGBE_LINK_SPEED_10GB_FULL: 2826 ifmr->ifm_active |= IFM_10G_CX4 | IFM_FDX; 2827 break; 2828 } 2829 /* 2830 * XXX: These need to use the proper media types once 2831 * they're added. 2832 */ 2833 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KR) 2834 switch (adapter->link_speed) { 2835 case IXGBE_LINK_SPEED_10GB_FULL: 2836 #ifndef IFM_ETH_XTYPE 2837 ifmr->ifm_active |= IFM_10G_SR | IFM_FDX; 2838 #else 2839 ifmr->ifm_active |= IFM_10G_KR | IFM_FDX; 2840 #endif 2841 break; 2842 case IXGBE_LINK_SPEED_2_5GB_FULL: 2843 ifmr->ifm_active |= IFM_2500_KX | IFM_FDX; 2844 break; 2845 case IXGBE_LINK_SPEED_1GB_FULL: 2846 ifmr->ifm_active |= IFM_1000_KX | IFM_FDX; 2847 break; 2848 } 2849 else if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KX4 || 2850 layer & IXGBE_PHYSICAL_LAYER_2500BASE_KX || 2851 layer & IXGBE_PHYSICAL_LAYER_1000BASE_KX) 2852 switch (adapter->link_speed) { 2853 case IXGBE_LINK_SPEED_10GB_FULL: 2854 #ifndef IFM_ETH_XTYPE 2855 ifmr->ifm_active |= IFM_10G_CX4 | IFM_FDX; 2856 #else 2857 ifmr->ifm_active |= IFM_10G_KX4 | IFM_FDX; 2858 #endif 2859 break; 2860 case IXGBE_LINK_SPEED_2_5GB_FULL: 2861 ifmr->ifm_active |= IFM_2500_KX | IFM_FDX; 2862 break; 2863 case IXGBE_LINK_SPEED_1GB_FULL: 2864 ifmr->ifm_active |= IFM_1000_KX | IFM_FDX; 2865 break; 2866 } 2867 2868 /* If nothing is recognized... */ 2869 #if 0 2870 if (IFM_SUBTYPE(ifmr->ifm_active) == 0) 2871 ifmr->ifm_active |= IFM_UNKNOWN; 2872 #endif 2873 2874 ifp->if_baudrate = ifmedia_baudrate(ifmr->ifm_active); 2875 2876 /* Display current flow control setting used on link */ 2877 if (hw->fc.current_mode == ixgbe_fc_rx_pause || 2878 hw->fc.current_mode == ixgbe_fc_full) 2879 ifmr->ifm_active |= IFM_ETH_RXPAUSE; 2880 if (hw->fc.current_mode == ixgbe_fc_tx_pause || 2881 hw->fc.current_mode == ixgbe_fc_full) 2882 ifmr->ifm_active |= IFM_ETH_TXPAUSE; 2883 2884 IXGBE_CORE_UNLOCK(adapter); 2885 2886 return; 2887 } /* ixgbe_media_status */ 2888 2889 /************************************************************************ 2890 * ixgbe_media_change - Media Ioctl callback 2891 * 2892 * Called when the user changes speed/duplex using 2893 * media/mediopt option with ifconfig. 2894 ************************************************************************/ 2895 static int 2896 ixgbe_media_change(struct ifnet *ifp) 2897 { 2898 struct adapter *adapter = ifp->if_softc; 2899 struct ifmedia *ifm = &adapter->media; 2900 struct ixgbe_hw *hw = &adapter->hw; 2901 ixgbe_link_speed speed = 0; 2902 ixgbe_link_speed link_caps = 0; 2903 bool negotiate = false; 2904 s32 err = IXGBE_NOT_IMPLEMENTED; 2905 2906 INIT_DEBUGOUT("ixgbe_media_change: begin"); 2907 2908 if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER) 2909 return (EINVAL); 2910 2911 if (hw->phy.media_type == ixgbe_media_type_backplane) 2912 return (EPERM); 2913 2914 IXGBE_CORE_LOCK(adapter); 2915 /* 2916 * We don't actually need to check against the supported 2917 * media types of the adapter; ifmedia will take care of 2918 * that for us. 2919 */ 2920 switch (IFM_SUBTYPE(ifm->ifm_media)) { 2921 case IFM_AUTO: 2922 err = hw->mac.ops.get_link_capabilities(hw, &link_caps, 2923 &negotiate); 2924 if (err != IXGBE_SUCCESS) { 2925 device_printf(adapter->dev, "Unable to determine " 2926 "supported advertise speeds\n"); 2927 IXGBE_CORE_UNLOCK(adapter); 2928 return (ENODEV); 2929 } 2930 speed |= link_caps; 2931 break; 2932 case IFM_10G_T: 2933 case IFM_10G_LRM: 2934 case IFM_10G_LR: 2935 case IFM_10G_TWINAX: 2936 #ifndef IFM_ETH_XTYPE 2937 case IFM_10G_SR: /* KR, too */ 2938 case IFM_10G_CX4: /* KX4 */ 2939 #else 2940 case IFM_10G_KR: 2941 case IFM_10G_KX4: 2942 #endif 2943 speed |= IXGBE_LINK_SPEED_10GB_FULL; 2944 break; 2945 case IFM_5000_T: 2946 speed |= IXGBE_LINK_SPEED_5GB_FULL; 2947 break; 2948 case IFM_2500_T: 2949 case IFM_2500_KX: 2950 speed |= IXGBE_LINK_SPEED_2_5GB_FULL; 2951 break; 2952 case IFM_1000_T: 2953 case IFM_1000_LX: 2954 case IFM_1000_SX: 2955 case IFM_1000_KX: 2956 speed |= IXGBE_LINK_SPEED_1GB_FULL; 2957 break; 2958 case IFM_100_TX: 2959 speed |= IXGBE_LINK_SPEED_100_FULL; 2960 break; 2961 case IFM_10_T: 2962 speed |= IXGBE_LINK_SPEED_10_FULL; 2963 break; 2964 case IFM_NONE: 2965 break; 2966 default: 2967 goto invalid; 2968 } 2969 2970 hw->mac.autotry_restart = TRUE; 2971 hw->mac.ops.setup_link(hw, speed, TRUE); 2972 adapter->advertise = 0; 2973 if (IFM_SUBTYPE(ifm->ifm_media) != IFM_AUTO) { 2974 if ((speed & IXGBE_LINK_SPEED_10GB_FULL) != 0) 2975 adapter->advertise |= 1 << 2; 2976 if ((speed & IXGBE_LINK_SPEED_1GB_FULL) != 0) 2977 adapter->advertise |= 1 << 1; 2978 if ((speed & IXGBE_LINK_SPEED_100_FULL) != 0) 2979 adapter->advertise |= 1 << 0; 2980 if ((speed & IXGBE_LINK_SPEED_10_FULL) != 0) 2981 adapter->advertise |= 1 << 3; 2982 if ((speed & IXGBE_LINK_SPEED_2_5GB_FULL) != 0) 2983 adapter->advertise |= 1 << 4; 2984 if ((speed & IXGBE_LINK_SPEED_5GB_FULL) != 0) 2985 adapter->advertise |= 1 << 5; 2986 } 2987 2988 IXGBE_CORE_UNLOCK(adapter); 2989 return (0); 2990 2991 invalid: 2992 device_printf(adapter->dev, "Invalid media type!\n"); 2993 IXGBE_CORE_UNLOCK(adapter); 2994 2995 return (EINVAL); 2996 } /* ixgbe_media_change */ 2997 2998 /************************************************************************ 2999 * ixgbe_set_promisc 3000 ************************************************************************/ 3001 static void 3002 ixgbe_set_promisc(struct adapter *adapter) 3003 { 3004 struct ifnet *ifp = adapter->ifp; 3005 int mcnt = 0; 3006 u32 rctl; 3007 struct ether_multi *enm; 3008 struct ether_multistep step; 3009 struct ethercom *ec = &adapter->osdep.ec; 3010 3011 KASSERT(mutex_owned(&adapter->core_mtx)); 3012 rctl = IXGBE_READ_REG(&adapter->hw, IXGBE_FCTRL); 3013 rctl &= (~IXGBE_FCTRL_UPE); 3014 if (ifp->if_flags & IFF_ALLMULTI) 3015 mcnt = MAX_NUM_MULTICAST_ADDRESSES; 3016 else { 3017 ETHER_LOCK(ec); 3018 ETHER_FIRST_MULTI(step, ec, enm); 3019 while (enm != NULL) { 3020 if (mcnt == MAX_NUM_MULTICAST_ADDRESSES) 3021 break; 3022 mcnt++; 3023 ETHER_NEXT_MULTI(step, enm); 3024 } 3025 ETHER_UNLOCK(ec); 3026 } 3027 if (mcnt < MAX_NUM_MULTICAST_ADDRESSES) 3028 rctl &= (~IXGBE_FCTRL_MPE); 3029 IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCTRL, rctl); 3030 3031 if (ifp->if_flags & IFF_PROMISC) { 3032 rctl |= (IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE); 3033 IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCTRL, rctl); 3034 } else if (ifp->if_flags & IFF_ALLMULTI) { 3035 rctl |= IXGBE_FCTRL_MPE; 3036 rctl &= ~IXGBE_FCTRL_UPE; 3037 IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCTRL, rctl); 3038 } 3039 } /* ixgbe_set_promisc */ 3040 3041 /************************************************************************ 3042 * ixgbe_msix_link - Link status change ISR (MSI/MSI-X) 3043 ************************************************************************/ 3044 static int 3045 ixgbe_msix_link(void *arg) 3046 { 3047 struct adapter *adapter = arg; 3048 struct ixgbe_hw *hw = &adapter->hw; 3049 u32 eicr, eicr_mask; 3050 s32 retval; 3051 3052 ++adapter->link_irq.ev_count; 3053 3054 /* Pause other interrupts */ 3055 IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_EIMC_OTHER); 3056 3057 /* First get the cause */ 3058 /* 3059 * The specifications of 82598, 82599, X540 and X550 say EICS register 3060 * is write only. However, Linux says it is a workaround for silicon 3061 * errata to read EICS instead of EICR to get interrupt cause. It seems 3062 * there is a problem about read clear mechanism for EICR register. 3063 */ 3064 eicr = IXGBE_READ_REG(hw, IXGBE_EICS); 3065 /* Be sure the queue bits are not cleared */ 3066 eicr &= ~IXGBE_EICR_RTX_QUEUE; 3067 /* Clear interrupt with write */ 3068 IXGBE_WRITE_REG(hw, IXGBE_EICR, eicr); 3069 3070 /* Link status change */ 3071 if (eicr & IXGBE_EICR_LSC) { 3072 IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_EIMC_LSC); 3073 softint_schedule(adapter->link_si); 3074 } 3075 3076 if (adapter->hw.mac.type != ixgbe_mac_82598EB) { 3077 if ((adapter->feat_en & IXGBE_FEATURE_FDIR) && 3078 (eicr & IXGBE_EICR_FLOW_DIR)) { 3079 /* This is probably overkill :) */ 3080 if (!atomic_cas_uint(&adapter->fdir_reinit, 0, 1)) 3081 return 1; 3082 /* Disable the interrupt */ 3083 IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_EIMC_FLOW_DIR); 3084 softint_schedule(adapter->fdir_si); 3085 } 3086 3087 if (eicr & IXGBE_EICR_ECC) { 3088 device_printf(adapter->dev, 3089 "CRITICAL: ECC ERROR!! Please Reboot!!\n"); 3090 IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_ECC); 3091 } 3092 3093 /* Check for over temp condition */ 3094 if (adapter->feat_en & IXGBE_FEATURE_TEMP_SENSOR) { 3095 switch (adapter->hw.mac.type) { 3096 case ixgbe_mac_X550EM_a: 3097 if (!(eicr & IXGBE_EICR_GPI_SDP0_X550EM_a)) 3098 break; 3099 IXGBE_WRITE_REG(hw, IXGBE_EIMC, 3100 IXGBE_EICR_GPI_SDP0_X550EM_a); 3101 IXGBE_WRITE_REG(hw, IXGBE_EICR, 3102 IXGBE_EICR_GPI_SDP0_X550EM_a); 3103 retval = hw->phy.ops.check_overtemp(hw); 3104 if (retval != IXGBE_ERR_OVERTEMP) 3105 break; 3106 device_printf(adapter->dev, "CRITICAL: OVER TEMP!! PHY IS SHUT DOWN!!\n"); 3107 device_printf(adapter->dev, "System shutdown required!\n"); 3108 break; 3109 default: 3110 if (!(eicr & IXGBE_EICR_TS)) 3111 break; 3112 retval = hw->phy.ops.check_overtemp(hw); 3113 if (retval != IXGBE_ERR_OVERTEMP) 3114 break; 3115 device_printf(adapter->dev, "CRITICAL: OVER TEMP!! PHY IS SHUT DOWN!!\n"); 3116 device_printf(adapter->dev, "System shutdown required!\n"); 3117 IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_TS); 3118 break; 3119 } 3120 } 3121 3122 /* Check for VF message */ 3123 if ((adapter->feat_en & IXGBE_FEATURE_SRIOV) && 3124 (eicr & IXGBE_EICR_MAILBOX)) 3125 softint_schedule(adapter->mbx_si); 3126 } 3127 3128 if (ixgbe_is_sfp(hw)) { 3129 /* Pluggable optics-related interrupt */ 3130 if (hw->mac.type >= ixgbe_mac_X540) 3131 eicr_mask = IXGBE_EICR_GPI_SDP0_X540; 3132 else 3133 eicr_mask = IXGBE_EICR_GPI_SDP2_BY_MAC(hw); 3134 3135 if (eicr & eicr_mask) { 3136 IXGBE_WRITE_REG(hw, IXGBE_EICR, eicr_mask); 3137 softint_schedule(adapter->mod_si); 3138 } 3139 3140 if ((hw->mac.type == ixgbe_mac_82599EB) && 3141 (eicr & IXGBE_EICR_GPI_SDP1_BY_MAC(hw))) { 3142 IXGBE_WRITE_REG(hw, IXGBE_EICR, 3143 IXGBE_EICR_GPI_SDP1_BY_MAC(hw)); 3144 softint_schedule(adapter->msf_si); 3145 } 3146 } 3147 3148 /* Check for fan failure */ 3149 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) { 3150 ixgbe_check_fan_failure(adapter, eicr, TRUE); 3151 IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_GPI_SDP1_BY_MAC(hw)); 3152 } 3153 3154 /* External PHY interrupt */ 3155 if ((hw->phy.type == ixgbe_phy_x550em_ext_t) && 3156 (eicr & IXGBE_EICR_GPI_SDP0_X540)) { 3157 IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_GPI_SDP0_X540); 3158 softint_schedule(adapter->phy_si); 3159 } 3160 3161 /* Re-enable other interrupts */ 3162 IXGBE_WRITE_REG(hw, IXGBE_EIMS, IXGBE_EIMS_OTHER); 3163 return 1; 3164 } /* ixgbe_msix_link */ 3165 3166 static void 3167 ixgbe_eitr_write(struct adapter *adapter, uint32_t index, uint32_t itr) 3168 { 3169 3170 if (adapter->hw.mac.type == ixgbe_mac_82598EB) 3171 itr |= itr << 16; 3172 else 3173 itr |= IXGBE_EITR_CNT_WDIS; 3174 3175 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EITR(index), itr); 3176 } 3177 3178 3179 /************************************************************************ 3180 * ixgbe_sysctl_interrupt_rate_handler 3181 ************************************************************************/ 3182 static int 3183 ixgbe_sysctl_interrupt_rate_handler(SYSCTLFN_ARGS) 3184 { 3185 struct sysctlnode node = *rnode; 3186 struct ix_queue *que = (struct ix_queue *)node.sysctl_data; 3187 struct adapter *adapter; 3188 uint32_t reg, usec, rate; 3189 int error; 3190 3191 if (que == NULL) 3192 return 0; 3193 3194 adapter = que->adapter; 3195 if (ixgbe_fw_recovery_mode_swflag(adapter)) 3196 return (EPERM); 3197 3198 reg = IXGBE_READ_REG(&adapter->hw, IXGBE_EITR(que->msix)); 3199 usec = ((reg & 0x0FF8) >> 3); 3200 if (usec > 0) 3201 rate = 500000 / usec; 3202 else 3203 rate = 0; 3204 node.sysctl_data = &rate; 3205 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 3206 if (error || newp == NULL) 3207 return error; 3208 reg &= ~0xfff; /* default, no limitation */ 3209 if (rate > 0 && rate < 500000) { 3210 if (rate < 1000) 3211 rate = 1000; 3212 reg |= ((4000000/rate) & 0xff8); 3213 /* 3214 * When RSC is used, ITR interval must be larger than 3215 * RSC_DELAY. Currently, we use 2us for RSC_DELAY. 3216 * The minimum value is always greater than 2us on 100M 3217 * (and 10M?(not documented)), but it's not on 1G and higher. 3218 */ 3219 if ((adapter->link_speed != IXGBE_LINK_SPEED_100_FULL) 3220 && (adapter->link_speed != IXGBE_LINK_SPEED_10_FULL)) { 3221 if ((adapter->num_queues > 1) 3222 && (reg < IXGBE_MIN_RSC_EITR_10G1G)) 3223 return EINVAL; 3224 } 3225 ixgbe_max_interrupt_rate = rate; 3226 } else 3227 ixgbe_max_interrupt_rate = 0; 3228 ixgbe_eitr_write(adapter, que->msix, reg); 3229 3230 return (0); 3231 } /* ixgbe_sysctl_interrupt_rate_handler */ 3232 3233 const struct sysctlnode * 3234 ixgbe_sysctl_instance(struct adapter *adapter) 3235 { 3236 const char *dvname; 3237 struct sysctllog **log; 3238 int rc; 3239 const struct sysctlnode *rnode; 3240 3241 if (adapter->sysctltop != NULL) 3242 return adapter->sysctltop; 3243 3244 log = &adapter->sysctllog; 3245 dvname = device_xname(adapter->dev); 3246 3247 if ((rc = sysctl_createv(log, 0, NULL, &rnode, 3248 0, CTLTYPE_NODE, dvname, 3249 SYSCTL_DESCR("ixgbe information and settings"), 3250 NULL, 0, NULL, 0, CTL_HW, CTL_CREATE, CTL_EOL)) != 0) 3251 goto err; 3252 3253 return rnode; 3254 err: 3255 printf("%s: sysctl_createv failed, rc = %d\n", __func__, rc); 3256 return NULL; 3257 } 3258 3259 /************************************************************************ 3260 * ixgbe_add_device_sysctls 3261 ************************************************************************/ 3262 static void 3263 ixgbe_add_device_sysctls(struct adapter *adapter) 3264 { 3265 device_t dev = adapter->dev; 3266 struct ixgbe_hw *hw = &adapter->hw; 3267 struct sysctllog **log; 3268 const struct sysctlnode *rnode, *cnode; 3269 3270 log = &adapter->sysctllog; 3271 3272 if ((rnode = ixgbe_sysctl_instance(adapter)) == NULL) { 3273 aprint_error_dev(dev, "could not create sysctl root\n"); 3274 return; 3275 } 3276 3277 if (sysctl_createv(log, 0, &rnode, &cnode, 3278 CTLFLAG_READWRITE, CTLTYPE_INT, 3279 "debug", SYSCTL_DESCR("Debug Info"), 3280 ixgbe_sysctl_debug, 0, (void *)adapter, 0, CTL_CREATE, CTL_EOL) != 0) 3281 aprint_error_dev(dev, "could not create sysctl\n"); 3282 3283 if (sysctl_createv(log, 0, &rnode, &cnode, 3284 CTLFLAG_READONLY, CTLTYPE_INT, 3285 "num_rx_desc", SYSCTL_DESCR("Number of rx descriptors"), 3286 NULL, 0, &adapter->num_rx_desc, 0, CTL_CREATE, CTL_EOL) != 0) 3287 aprint_error_dev(dev, "could not create sysctl\n"); 3288 3289 if (sysctl_createv(log, 0, &rnode, &cnode, 3290 CTLFLAG_READONLY, CTLTYPE_INT, 3291 "num_queues", SYSCTL_DESCR("Number of queues"), 3292 NULL, 0, &adapter->num_queues, 0, CTL_CREATE, CTL_EOL) != 0) 3293 aprint_error_dev(dev, "could not create sysctl\n"); 3294 3295 /* Sysctls for all devices */ 3296 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3297 CTLTYPE_INT, "fc", SYSCTL_DESCR(IXGBE_SYSCTL_DESC_SET_FC), 3298 ixgbe_sysctl_flowcntl, 0, (void *)adapter, 0, CTL_CREATE, 3299 CTL_EOL) != 0) 3300 aprint_error_dev(dev, "could not create sysctl\n"); 3301 3302 adapter->enable_aim = ixgbe_enable_aim; 3303 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3304 CTLTYPE_BOOL, "enable_aim", SYSCTL_DESCR("Interrupt Moderation"), 3305 NULL, 0, &adapter->enable_aim, 0, CTL_CREATE, CTL_EOL) != 0) 3306 aprint_error_dev(dev, "could not create sysctl\n"); 3307 3308 if (sysctl_createv(log, 0, &rnode, &cnode, 3309 CTLFLAG_READWRITE, CTLTYPE_INT, 3310 "advertise_speed", SYSCTL_DESCR(IXGBE_SYSCTL_DESC_ADV_SPEED), 3311 ixgbe_sysctl_advertise, 0, (void *)adapter, 0, CTL_CREATE, 3312 CTL_EOL) != 0) 3313 aprint_error_dev(dev, "could not create sysctl\n"); 3314 3315 /* 3316 * If each "que->txrx_use_workqueue" is changed in sysctl handler, 3317 * it causesflip-flopping softint/workqueue mode in one deferred 3318 * processing. Therefore, preempt_disable()/preempt_enable() are 3319 * required in ixgbe_sched_handle_que() to avoid 3320 * KASSERT(ixgbe_sched_handle_que()) in softint_schedule(). 3321 * I think changing "que->txrx_use_workqueue" in interrupt handler 3322 * is lighter than doing preempt_disable()/preempt_enable() in every 3323 * ixgbe_sched_handle_que(). 3324 */ 3325 adapter->txrx_use_workqueue = ixgbe_txrx_workqueue; 3326 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3327 CTLTYPE_BOOL, "txrx_workqueue", SYSCTL_DESCR("Use workqueue for packet processing"), 3328 NULL, 0, &adapter->txrx_use_workqueue, 0, CTL_CREATE, CTL_EOL) != 0) 3329 aprint_error_dev(dev, "could not create sysctl\n"); 3330 3331 #ifdef IXGBE_DEBUG 3332 /* testing sysctls (for all devices) */ 3333 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3334 CTLTYPE_INT, "power_state", SYSCTL_DESCR("PCI Power State"), 3335 ixgbe_sysctl_power_state, 0, (void *)adapter, 0, CTL_CREATE, 3336 CTL_EOL) != 0) 3337 aprint_error_dev(dev, "could not create sysctl\n"); 3338 3339 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READONLY, 3340 CTLTYPE_STRING, "print_rss_config", 3341 SYSCTL_DESCR("Prints RSS Configuration"), 3342 ixgbe_sysctl_print_rss_config, 0, (void *)adapter, 0, CTL_CREATE, 3343 CTL_EOL) != 0) 3344 aprint_error_dev(dev, "could not create sysctl\n"); 3345 #endif 3346 /* for X550 series devices */ 3347 if (hw->mac.type >= ixgbe_mac_X550) 3348 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3349 CTLTYPE_INT, "dmac", SYSCTL_DESCR("DMA Coalesce"), 3350 ixgbe_sysctl_dmac, 0, (void *)adapter, 0, CTL_CREATE, 3351 CTL_EOL) != 0) 3352 aprint_error_dev(dev, "could not create sysctl\n"); 3353 3354 /* for WoL-capable devices */ 3355 if (adapter->wol_support) { 3356 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3357 CTLTYPE_BOOL, "wol_enable", 3358 SYSCTL_DESCR("Enable/Disable Wake on LAN"), 3359 ixgbe_sysctl_wol_enable, 0, (void *)adapter, 0, CTL_CREATE, 3360 CTL_EOL) != 0) 3361 aprint_error_dev(dev, "could not create sysctl\n"); 3362 3363 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3364 CTLTYPE_INT, "wufc", 3365 SYSCTL_DESCR("Enable/Disable Wake Up Filters"), 3366 ixgbe_sysctl_wufc, 0, (void *)adapter, 0, CTL_CREATE, 3367 CTL_EOL) != 0) 3368 aprint_error_dev(dev, "could not create sysctl\n"); 3369 } 3370 3371 /* for X552/X557-AT devices */ 3372 if (hw->device_id == IXGBE_DEV_ID_X550EM_X_10G_T) { 3373 const struct sysctlnode *phy_node; 3374 3375 if (sysctl_createv(log, 0, &rnode, &phy_node, 0, CTLTYPE_NODE, 3376 "phy", SYSCTL_DESCR("External PHY sysctls"), 3377 NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL) != 0) { 3378 aprint_error_dev(dev, "could not create sysctl\n"); 3379 return; 3380 } 3381 3382 if (sysctl_createv(log, 0, &phy_node, &cnode, CTLFLAG_READONLY, 3383 CTLTYPE_INT, "temp", 3384 SYSCTL_DESCR("Current External PHY Temperature (Celsius)"), 3385 ixgbe_sysctl_phy_temp, 0, (void *)adapter, 0, CTL_CREATE, 3386 CTL_EOL) != 0) 3387 aprint_error_dev(dev, "could not create sysctl\n"); 3388 3389 if (sysctl_createv(log, 0, &phy_node, &cnode, CTLFLAG_READONLY, 3390 CTLTYPE_INT, "overtemp_occurred", 3391 SYSCTL_DESCR("External PHY High Temperature Event Occurred"), 3392 ixgbe_sysctl_phy_overtemp_occurred, 0, (void *)adapter, 0, 3393 CTL_CREATE, CTL_EOL) != 0) 3394 aprint_error_dev(dev, "could not create sysctl\n"); 3395 } 3396 3397 if ((hw->mac.type == ixgbe_mac_X550EM_a) 3398 && (hw->phy.type == ixgbe_phy_fw)) 3399 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3400 CTLTYPE_BOOL, "force_10_100_autonego", 3401 SYSCTL_DESCR("Force autonego on 10M and 100M"), 3402 NULL, 0, &hw->phy.force_10_100_autonego, 0, 3403 CTL_CREATE, CTL_EOL) != 0) 3404 aprint_error_dev(dev, "could not create sysctl\n"); 3405 3406 if (adapter->feat_cap & IXGBE_FEATURE_EEE) { 3407 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3408 CTLTYPE_INT, "eee_state", 3409 SYSCTL_DESCR("EEE Power Save State"), 3410 ixgbe_sysctl_eee_state, 0, (void *)adapter, 0, CTL_CREATE, 3411 CTL_EOL) != 0) 3412 aprint_error_dev(dev, "could not create sysctl\n"); 3413 } 3414 } /* ixgbe_add_device_sysctls */ 3415 3416 /************************************************************************ 3417 * ixgbe_allocate_pci_resources 3418 ************************************************************************/ 3419 static int 3420 ixgbe_allocate_pci_resources(struct adapter *adapter, 3421 const struct pci_attach_args *pa) 3422 { 3423 pcireg_t memtype; 3424 device_t dev = adapter->dev; 3425 bus_addr_t addr; 3426 int flags; 3427 3428 memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, PCI_BAR(0)); 3429 switch (memtype) { 3430 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT: 3431 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT: 3432 adapter->osdep.mem_bus_space_tag = pa->pa_memt; 3433 if (pci_mapreg_info(pa->pa_pc, pa->pa_tag, PCI_BAR(0), 3434 memtype, &addr, &adapter->osdep.mem_size, &flags) != 0) 3435 goto map_err; 3436 if ((flags & BUS_SPACE_MAP_PREFETCHABLE) != 0) { 3437 aprint_normal_dev(dev, "clearing prefetchable bit\n"); 3438 flags &= ~BUS_SPACE_MAP_PREFETCHABLE; 3439 } 3440 if (bus_space_map(adapter->osdep.mem_bus_space_tag, addr, 3441 adapter->osdep.mem_size, flags, 3442 &adapter->osdep.mem_bus_space_handle) != 0) { 3443 map_err: 3444 adapter->osdep.mem_size = 0; 3445 aprint_error_dev(dev, "unable to map BAR0\n"); 3446 return ENXIO; 3447 } 3448 break; 3449 default: 3450 aprint_error_dev(dev, "unexpected type on BAR0\n"); 3451 return ENXIO; 3452 } 3453 3454 return (0); 3455 } /* ixgbe_allocate_pci_resources */ 3456 3457 static void 3458 ixgbe_free_softint(struct adapter *adapter) 3459 { 3460 struct ix_queue *que = adapter->queues; 3461 struct tx_ring *txr = adapter->tx_rings; 3462 int i; 3463 3464 for (i = 0; i < adapter->num_queues; i++, que++, txr++) { 3465 if (!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX)) { 3466 if (txr->txr_si != NULL) 3467 softint_disestablish(txr->txr_si); 3468 } 3469 if (que->que_si != NULL) 3470 softint_disestablish(que->que_si); 3471 } 3472 if (adapter->txr_wq != NULL) 3473 workqueue_destroy(adapter->txr_wq); 3474 if (adapter->txr_wq_enqueued != NULL) 3475 percpu_free(adapter->txr_wq_enqueued, sizeof(u_int)); 3476 if (adapter->que_wq != NULL) 3477 workqueue_destroy(adapter->que_wq); 3478 3479 /* Drain the Link queue */ 3480 if (adapter->link_si != NULL) { 3481 softint_disestablish(adapter->link_si); 3482 adapter->link_si = NULL; 3483 } 3484 if (adapter->mod_si != NULL) { 3485 softint_disestablish(adapter->mod_si); 3486 adapter->mod_si = NULL; 3487 } 3488 if (adapter->msf_si != NULL) { 3489 softint_disestablish(adapter->msf_si); 3490 adapter->msf_si = NULL; 3491 } 3492 if (adapter->phy_si != NULL) { 3493 softint_disestablish(adapter->phy_si); 3494 adapter->phy_si = NULL; 3495 } 3496 if (adapter->feat_en & IXGBE_FEATURE_FDIR) { 3497 if (adapter->fdir_si != NULL) { 3498 softint_disestablish(adapter->fdir_si); 3499 adapter->fdir_si = NULL; 3500 } 3501 } 3502 if (adapter->feat_cap & IXGBE_FEATURE_SRIOV) { 3503 if (adapter->mbx_si != NULL) { 3504 softint_disestablish(adapter->mbx_si); 3505 adapter->mbx_si = NULL; 3506 } 3507 } 3508 } /* ixgbe_free_softint */ 3509 3510 /************************************************************************ 3511 * ixgbe_detach - Device removal routine 3512 * 3513 * Called when the driver is being removed. 3514 * Stops the adapter and deallocates all the resources 3515 * that were allocated for driver operation. 3516 * 3517 * return 0 on success, positive on failure 3518 ************************************************************************/ 3519 static int 3520 ixgbe_detach(device_t dev, int flags) 3521 { 3522 struct adapter *adapter = device_private(dev); 3523 struct rx_ring *rxr = adapter->rx_rings; 3524 struct tx_ring *txr = adapter->tx_rings; 3525 struct ixgbe_hw *hw = &adapter->hw; 3526 struct ixgbe_hw_stats *stats = &adapter->stats.pf; 3527 u32 ctrl_ext; 3528 int i; 3529 3530 INIT_DEBUGOUT("ixgbe_detach: begin"); 3531 if (adapter->osdep.attached == false) 3532 return 0; 3533 3534 if (ixgbe_pci_iov_detach(dev) != 0) { 3535 device_printf(dev, "SR-IOV in use; detach first.\n"); 3536 return (EBUSY); 3537 } 3538 3539 /* Stop the interface. Callouts are stopped in it. */ 3540 ixgbe_ifstop(adapter->ifp, 1); 3541 #if NVLAN > 0 3542 /* Make sure VLANs are not using driver */ 3543 if (!VLAN_ATTACHED(&adapter->osdep.ec)) 3544 ; /* nothing to do: no VLANs */ 3545 else if ((flags & (DETACH_SHUTDOWN|DETACH_FORCE)) != 0) 3546 vlan_ifdetach(adapter->ifp); 3547 else { 3548 aprint_error_dev(dev, "VLANs in use, detach first\n"); 3549 return (EBUSY); 3550 } 3551 #endif 3552 3553 pmf_device_deregister(dev); 3554 3555 ether_ifdetach(adapter->ifp); 3556 /* Stop the adapter */ 3557 IXGBE_CORE_LOCK(adapter); 3558 ixgbe_setup_low_power_mode(adapter); 3559 IXGBE_CORE_UNLOCK(adapter); 3560 3561 ixgbe_free_softint(adapter); 3562 3563 /* let hardware know driver is unloading */ 3564 ctrl_ext = IXGBE_READ_REG(&adapter->hw, IXGBE_CTRL_EXT); 3565 ctrl_ext &= ~IXGBE_CTRL_EXT_DRV_LOAD; 3566 IXGBE_WRITE_REG(&adapter->hw, IXGBE_CTRL_EXT, ctrl_ext); 3567 3568 callout_halt(&adapter->timer, NULL); 3569 callout_halt(&adapter->recovery_mode_timer, NULL); 3570 3571 if (adapter->feat_en & IXGBE_FEATURE_NETMAP) 3572 netmap_detach(adapter->ifp); 3573 3574 ixgbe_free_pci_resources(adapter); 3575 #if 0 /* XXX the NetBSD port is probably missing something here */ 3576 bus_generic_detach(dev); 3577 #endif 3578 if_detach(adapter->ifp); 3579 if_percpuq_destroy(adapter->ipq); 3580 3581 sysctl_teardown(&adapter->sysctllog); 3582 evcnt_detach(&adapter->efbig_tx_dma_setup); 3583 evcnt_detach(&adapter->mbuf_defrag_failed); 3584 evcnt_detach(&adapter->efbig2_tx_dma_setup); 3585 evcnt_detach(&adapter->einval_tx_dma_setup); 3586 evcnt_detach(&adapter->other_tx_dma_setup); 3587 evcnt_detach(&adapter->eagain_tx_dma_setup); 3588 evcnt_detach(&adapter->enomem_tx_dma_setup); 3589 evcnt_detach(&adapter->watchdog_events); 3590 evcnt_detach(&adapter->tso_err); 3591 evcnt_detach(&adapter->link_irq); 3592 evcnt_detach(&adapter->link_sicount); 3593 evcnt_detach(&adapter->mod_sicount); 3594 evcnt_detach(&adapter->msf_sicount); 3595 evcnt_detach(&adapter->phy_sicount); 3596 3597 for (i = 0; i < IXGBE_DCB_MAX_TRAFFIC_CLASS; i++) { 3598 if (i < __arraycount(stats->mpc)) { 3599 evcnt_detach(&stats->mpc[i]); 3600 if (hw->mac.type == ixgbe_mac_82598EB) 3601 evcnt_detach(&stats->rnbc[i]); 3602 } 3603 if (i < __arraycount(stats->pxontxc)) { 3604 evcnt_detach(&stats->pxontxc[i]); 3605 evcnt_detach(&stats->pxonrxc[i]); 3606 evcnt_detach(&stats->pxofftxc[i]); 3607 evcnt_detach(&stats->pxoffrxc[i]); 3608 if (hw->mac.type >= ixgbe_mac_82599EB) 3609 evcnt_detach(&stats->pxon2offc[i]); 3610 } 3611 } 3612 3613 txr = adapter->tx_rings; 3614 for (i = 0; i < adapter->num_queues; i++, rxr++, txr++) { 3615 evcnt_detach(&adapter->queues[i].irqs); 3616 evcnt_detach(&adapter->queues[i].handleq); 3617 evcnt_detach(&adapter->queues[i].req); 3618 evcnt_detach(&txr->no_desc_avail); 3619 evcnt_detach(&txr->total_packets); 3620 evcnt_detach(&txr->tso_tx); 3621 #ifndef IXGBE_LEGACY_TX 3622 evcnt_detach(&txr->pcq_drops); 3623 #endif 3624 3625 if (i < __arraycount(stats->qprc)) { 3626 evcnt_detach(&stats->qprc[i]); 3627 evcnt_detach(&stats->qptc[i]); 3628 evcnt_detach(&stats->qbrc[i]); 3629 evcnt_detach(&stats->qbtc[i]); 3630 if (hw->mac.type >= ixgbe_mac_82599EB) 3631 evcnt_detach(&stats->qprdc[i]); 3632 } 3633 3634 evcnt_detach(&rxr->rx_packets); 3635 evcnt_detach(&rxr->rx_bytes); 3636 evcnt_detach(&rxr->rx_copies); 3637 evcnt_detach(&rxr->no_jmbuf); 3638 evcnt_detach(&rxr->rx_discarded); 3639 } 3640 evcnt_detach(&stats->ipcs); 3641 evcnt_detach(&stats->l4cs); 3642 evcnt_detach(&stats->ipcs_bad); 3643 evcnt_detach(&stats->l4cs_bad); 3644 evcnt_detach(&stats->intzero); 3645 evcnt_detach(&stats->legint); 3646 evcnt_detach(&stats->crcerrs); 3647 evcnt_detach(&stats->illerrc); 3648 evcnt_detach(&stats->errbc); 3649 evcnt_detach(&stats->mspdc); 3650 if (hw->mac.type >= ixgbe_mac_X550) 3651 evcnt_detach(&stats->mbsdc); 3652 evcnt_detach(&stats->mpctotal); 3653 evcnt_detach(&stats->mlfc); 3654 evcnt_detach(&stats->mrfc); 3655 evcnt_detach(&stats->rlec); 3656 evcnt_detach(&stats->lxontxc); 3657 evcnt_detach(&stats->lxonrxc); 3658 evcnt_detach(&stats->lxofftxc); 3659 evcnt_detach(&stats->lxoffrxc); 3660 3661 /* Packet Reception Stats */ 3662 evcnt_detach(&stats->tor); 3663 evcnt_detach(&stats->gorc); 3664 evcnt_detach(&stats->tpr); 3665 evcnt_detach(&stats->gprc); 3666 evcnt_detach(&stats->mprc); 3667 evcnt_detach(&stats->bprc); 3668 evcnt_detach(&stats->prc64); 3669 evcnt_detach(&stats->prc127); 3670 evcnt_detach(&stats->prc255); 3671 evcnt_detach(&stats->prc511); 3672 evcnt_detach(&stats->prc1023); 3673 evcnt_detach(&stats->prc1522); 3674 evcnt_detach(&stats->ruc); 3675 evcnt_detach(&stats->rfc); 3676 evcnt_detach(&stats->roc); 3677 evcnt_detach(&stats->rjc); 3678 evcnt_detach(&stats->mngprc); 3679 evcnt_detach(&stats->mngpdc); 3680 evcnt_detach(&stats->xec); 3681 3682 /* Packet Transmission Stats */ 3683 evcnt_detach(&stats->gotc); 3684 evcnt_detach(&stats->tpt); 3685 evcnt_detach(&stats->gptc); 3686 evcnt_detach(&stats->bptc); 3687 evcnt_detach(&stats->mptc); 3688 evcnt_detach(&stats->mngptc); 3689 evcnt_detach(&stats->ptc64); 3690 evcnt_detach(&stats->ptc127); 3691 evcnt_detach(&stats->ptc255); 3692 evcnt_detach(&stats->ptc511); 3693 evcnt_detach(&stats->ptc1023); 3694 evcnt_detach(&stats->ptc1522); 3695 3696 ixgbe_free_transmit_structures(adapter); 3697 ixgbe_free_receive_structures(adapter); 3698 for (i = 0; i < adapter->num_queues; i++) { 3699 struct ix_queue * que = &adapter->queues[i]; 3700 mutex_destroy(&que->dc_mtx); 3701 } 3702 free(adapter->queues, M_DEVBUF); 3703 free(adapter->mta, M_DEVBUF); 3704 3705 IXGBE_CORE_LOCK_DESTROY(adapter); 3706 3707 return (0); 3708 } /* ixgbe_detach */ 3709 3710 /************************************************************************ 3711 * ixgbe_setup_low_power_mode - LPLU/WoL preparation 3712 * 3713 * Prepare the adapter/port for LPLU and/or WoL 3714 ************************************************************************/ 3715 static int 3716 ixgbe_setup_low_power_mode(struct adapter *adapter) 3717 { 3718 struct ixgbe_hw *hw = &adapter->hw; 3719 device_t dev = adapter->dev; 3720 s32 error = 0; 3721 3722 KASSERT(mutex_owned(&adapter->core_mtx)); 3723 3724 /* Limit power management flow to X550EM baseT */ 3725 if (hw->device_id == IXGBE_DEV_ID_X550EM_X_10G_T && 3726 hw->phy.ops.enter_lplu) { 3727 /* X550EM baseT adapters need a special LPLU flow */ 3728 hw->phy.reset_disable = true; 3729 ixgbe_stop(adapter); 3730 error = hw->phy.ops.enter_lplu(hw); 3731 if (error) 3732 device_printf(dev, 3733 "Error entering LPLU: %d\n", error); 3734 hw->phy.reset_disable = false; 3735 } else { 3736 /* Just stop for other adapters */ 3737 ixgbe_stop(adapter); 3738 } 3739 3740 if (!hw->wol_enabled) { 3741 ixgbe_set_phy_power(hw, FALSE); 3742 IXGBE_WRITE_REG(hw, IXGBE_WUFC, 0); 3743 IXGBE_WRITE_REG(hw, IXGBE_WUC, 0); 3744 } else { 3745 /* Turn off support for APM wakeup. (Using ACPI instead) */ 3746 IXGBE_WRITE_REG(hw, IXGBE_GRC_BY_MAC(hw), 3747 IXGBE_READ_REG(hw, IXGBE_GRC_BY_MAC(hw)) & ~(u32)2); 3748 3749 /* 3750 * Clear Wake Up Status register to prevent any previous wakeup 3751 * events from waking us up immediately after we suspend. 3752 */ 3753 IXGBE_WRITE_REG(hw, IXGBE_WUS, 0xffffffff); 3754 3755 /* 3756 * Program the Wakeup Filter Control register with user filter 3757 * settings 3758 */ 3759 IXGBE_WRITE_REG(hw, IXGBE_WUFC, adapter->wufc); 3760 3761 /* Enable wakeups and power management in Wakeup Control */ 3762 IXGBE_WRITE_REG(hw, IXGBE_WUC, 3763 IXGBE_WUC_WKEN | IXGBE_WUC_PME_EN); 3764 3765 } 3766 3767 return error; 3768 } /* ixgbe_setup_low_power_mode */ 3769 3770 /************************************************************************ 3771 * ixgbe_shutdown - Shutdown entry point 3772 ************************************************************************/ 3773 #if 0 /* XXX NetBSD ought to register something like this through pmf(9) */ 3774 static int 3775 ixgbe_shutdown(device_t dev) 3776 { 3777 struct adapter *adapter = device_private(dev); 3778 int error = 0; 3779 3780 INIT_DEBUGOUT("ixgbe_shutdown: begin"); 3781 3782 IXGBE_CORE_LOCK(adapter); 3783 error = ixgbe_setup_low_power_mode(adapter); 3784 IXGBE_CORE_UNLOCK(adapter); 3785 3786 return (error); 3787 } /* ixgbe_shutdown */ 3788 #endif 3789 3790 /************************************************************************ 3791 * ixgbe_suspend 3792 * 3793 * From D0 to D3 3794 ************************************************************************/ 3795 static bool 3796 ixgbe_suspend(device_t dev, const pmf_qual_t *qual) 3797 { 3798 struct adapter *adapter = device_private(dev); 3799 int error = 0; 3800 3801 INIT_DEBUGOUT("ixgbe_suspend: begin"); 3802 3803 IXGBE_CORE_LOCK(adapter); 3804 3805 error = ixgbe_setup_low_power_mode(adapter); 3806 3807 IXGBE_CORE_UNLOCK(adapter); 3808 3809 return (error); 3810 } /* ixgbe_suspend */ 3811 3812 /************************************************************************ 3813 * ixgbe_resume 3814 * 3815 * From D3 to D0 3816 ************************************************************************/ 3817 static bool 3818 ixgbe_resume(device_t dev, const pmf_qual_t *qual) 3819 { 3820 struct adapter *adapter = device_private(dev); 3821 struct ifnet *ifp = adapter->ifp; 3822 struct ixgbe_hw *hw = &adapter->hw; 3823 u32 wus; 3824 3825 INIT_DEBUGOUT("ixgbe_resume: begin"); 3826 3827 IXGBE_CORE_LOCK(adapter); 3828 3829 /* Read & clear WUS register */ 3830 wus = IXGBE_READ_REG(hw, IXGBE_WUS); 3831 if (wus) 3832 device_printf(dev, "Woken up by (WUS): %#010x\n", 3833 IXGBE_READ_REG(hw, IXGBE_WUS)); 3834 IXGBE_WRITE_REG(hw, IXGBE_WUS, 0xffffffff); 3835 /* And clear WUFC until next low-power transition */ 3836 IXGBE_WRITE_REG(hw, IXGBE_WUFC, 0); 3837 3838 /* 3839 * Required after D3->D0 transition; 3840 * will re-advertise all previous advertised speeds 3841 */ 3842 if (ifp->if_flags & IFF_UP) 3843 ixgbe_init_locked(adapter); 3844 3845 IXGBE_CORE_UNLOCK(adapter); 3846 3847 return true; 3848 } /* ixgbe_resume */ 3849 3850 /* 3851 * Set the various hardware offload abilities. 3852 * 3853 * This takes the ifnet's if_capenable flags (e.g. set by the user using 3854 * ifconfig) and indicates to the OS via the ifnet's if_hwassist field what 3855 * mbuf offload flags the driver will understand. 3856 */ 3857 static void 3858 ixgbe_set_if_hwassist(struct adapter *adapter) 3859 { 3860 /* XXX */ 3861 } 3862 3863 /************************************************************************ 3864 * ixgbe_init_locked - Init entry point 3865 * 3866 * Used in two ways: It is used by the stack as an init 3867 * entry point in network interface structure. It is also 3868 * used by the driver as a hw/sw initialization routine to 3869 * get to a consistent state. 3870 * 3871 * return 0 on success, positive on failure 3872 ************************************************************************/ 3873 static void 3874 ixgbe_init_locked(struct adapter *adapter) 3875 { 3876 struct ifnet *ifp = adapter->ifp; 3877 device_t dev = adapter->dev; 3878 struct ixgbe_hw *hw = &adapter->hw; 3879 struct ix_queue *que; 3880 struct tx_ring *txr; 3881 struct rx_ring *rxr; 3882 u32 txdctl, mhadd; 3883 u32 rxdctl, rxctrl; 3884 u32 ctrl_ext; 3885 int i, j, err; 3886 3887 /* XXX check IFF_UP and IFF_RUNNING, power-saving state! */ 3888 3889 KASSERT(mutex_owned(&adapter->core_mtx)); 3890 INIT_DEBUGOUT("ixgbe_init_locked: begin"); 3891 3892 hw->adapter_stopped = FALSE; 3893 ixgbe_stop_adapter(hw); 3894 callout_stop(&adapter->timer); 3895 for (i = 0, que = adapter->queues; i < adapter->num_queues; i++, que++) 3896 que->disabled_count = 0; 3897 3898 /* XXX I moved this here from the SIOCSIFMTU case in ixgbe_ioctl(). */ 3899 adapter->max_frame_size = 3900 ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN; 3901 3902 /* Queue indices may change with IOV mode */ 3903 ixgbe_align_all_queue_indices(adapter); 3904 3905 /* reprogram the RAR[0] in case user changed it. */ 3906 ixgbe_set_rar(hw, 0, hw->mac.addr, adapter->pool, IXGBE_RAH_AV); 3907 3908 /* Get the latest mac address, User can use a LAA */ 3909 memcpy(hw->mac.addr, CLLADDR(ifp->if_sadl), 3910 IXGBE_ETH_LENGTH_OF_ADDRESS); 3911 ixgbe_set_rar(hw, 0, hw->mac.addr, adapter->pool, 1); 3912 hw->addr_ctrl.rar_used_count = 1; 3913 3914 /* Set hardware offload abilities from ifnet flags */ 3915 ixgbe_set_if_hwassist(adapter); 3916 3917 /* Prepare transmit descriptors and buffers */ 3918 if (ixgbe_setup_transmit_structures(adapter)) { 3919 device_printf(dev, "Could not setup transmit structures\n"); 3920 ixgbe_stop(adapter); 3921 return; 3922 } 3923 3924 ixgbe_init_hw(hw); 3925 3926 ixgbe_initialize_iov(adapter); 3927 3928 ixgbe_initialize_transmit_units(adapter); 3929 3930 /* Setup Multicast table */ 3931 ixgbe_set_multi(adapter); 3932 3933 /* Determine the correct mbuf pool, based on frame size */ 3934 if (adapter->max_frame_size <= MCLBYTES) 3935 adapter->rx_mbuf_sz = MCLBYTES; 3936 else 3937 adapter->rx_mbuf_sz = MJUMPAGESIZE; 3938 3939 /* Prepare receive descriptors and buffers */ 3940 if (ixgbe_setup_receive_structures(adapter)) { 3941 device_printf(dev, "Could not setup receive structures\n"); 3942 ixgbe_stop(adapter); 3943 return; 3944 } 3945 3946 /* Configure RX settings */ 3947 ixgbe_initialize_receive_units(adapter); 3948 3949 /* Enable SDP & MSI-X interrupts based on adapter */ 3950 ixgbe_config_gpie(adapter); 3951 3952 /* Set MTU size */ 3953 if (ifp->if_mtu > ETHERMTU) { 3954 /* aka IXGBE_MAXFRS on 82599 and newer */ 3955 mhadd = IXGBE_READ_REG(hw, IXGBE_MHADD); 3956 mhadd &= ~IXGBE_MHADD_MFS_MASK; 3957 mhadd |= adapter->max_frame_size << IXGBE_MHADD_MFS_SHIFT; 3958 IXGBE_WRITE_REG(hw, IXGBE_MHADD, mhadd); 3959 } 3960 3961 /* Now enable all the queues */ 3962 for (i = 0; i < adapter->num_queues; i++) { 3963 txr = &adapter->tx_rings[i]; 3964 txdctl = IXGBE_READ_REG(hw, IXGBE_TXDCTL(txr->me)); 3965 txdctl |= IXGBE_TXDCTL_ENABLE; 3966 /* Set WTHRESH to 8, burst writeback */ 3967 txdctl |= (8 << 16); 3968 /* 3969 * When the internal queue falls below PTHRESH (32), 3970 * start prefetching as long as there are at least 3971 * HTHRESH (1) buffers ready. The values are taken 3972 * from the Intel linux driver 3.8.21. 3973 * Prefetching enables tx line rate even with 1 queue. 3974 */ 3975 txdctl |= (32 << 0) | (1 << 8); 3976 IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(txr->me), txdctl); 3977 } 3978 3979 for (i = 0; i < adapter->num_queues; i++) { 3980 rxr = &adapter->rx_rings[i]; 3981 rxdctl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(rxr->me)); 3982 if (hw->mac.type == ixgbe_mac_82598EB) { 3983 /* 3984 * PTHRESH = 21 3985 * HTHRESH = 4 3986 * WTHRESH = 8 3987 */ 3988 rxdctl &= ~0x3FFFFF; 3989 rxdctl |= 0x080420; 3990 } 3991 rxdctl |= IXGBE_RXDCTL_ENABLE; 3992 IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(rxr->me), rxdctl); 3993 for (j = 0; j < 10; j++) { 3994 if (IXGBE_READ_REG(hw, IXGBE_RXDCTL(rxr->me)) & 3995 IXGBE_RXDCTL_ENABLE) 3996 break; 3997 else 3998 msec_delay(1); 3999 } 4000 wmb(); 4001 4002 /* 4003 * In netmap mode, we must preserve the buffers made 4004 * available to userspace before the if_init() 4005 * (this is true by default on the TX side, because 4006 * init makes all buffers available to userspace). 4007 * 4008 * netmap_reset() and the device specific routines 4009 * (e.g. ixgbe_setup_receive_rings()) map these 4010 * buffers at the end of the NIC ring, so here we 4011 * must set the RDT (tail) register to make sure 4012 * they are not overwritten. 4013 * 4014 * In this driver the NIC ring starts at RDH = 0, 4015 * RDT points to the last slot available for reception (?), 4016 * so RDT = num_rx_desc - 1 means the whole ring is available. 4017 */ 4018 #ifdef DEV_NETMAP 4019 if ((adapter->feat_en & IXGBE_FEATURE_NETMAP) && 4020 (ifp->if_capenable & IFCAP_NETMAP)) { 4021 struct netmap_adapter *na = NA(adapter->ifp); 4022 struct netmap_kring *kring = &na->rx_rings[i]; 4023 int t = na->num_rx_desc - 1 - nm_kr_rxspace(kring); 4024 4025 IXGBE_WRITE_REG(hw, IXGBE_RDT(rxr->me), t); 4026 } else 4027 #endif /* DEV_NETMAP */ 4028 IXGBE_WRITE_REG(hw, IXGBE_RDT(rxr->me), 4029 adapter->num_rx_desc - 1); 4030 } 4031 4032 /* Enable Receive engine */ 4033 rxctrl = IXGBE_READ_REG(hw, IXGBE_RXCTRL); 4034 if (hw->mac.type == ixgbe_mac_82598EB) 4035 rxctrl |= IXGBE_RXCTRL_DMBYPS; 4036 rxctrl |= IXGBE_RXCTRL_RXEN; 4037 ixgbe_enable_rx_dma(hw, rxctrl); 4038 4039 callout_reset(&adapter->timer, hz, ixgbe_local_timer, adapter); 4040 4041 /* Set up MSI/MSI-X routing */ 4042 if (adapter->feat_en & IXGBE_FEATURE_MSIX) { 4043 ixgbe_configure_ivars(adapter); 4044 /* Set up auto-mask */ 4045 if (hw->mac.type == ixgbe_mac_82598EB) 4046 IXGBE_WRITE_REG(hw, IXGBE_EIAM, IXGBE_EICS_RTX_QUEUE); 4047 else { 4048 IXGBE_WRITE_REG(hw, IXGBE_EIAM_EX(0), 0xFFFFFFFF); 4049 IXGBE_WRITE_REG(hw, IXGBE_EIAM_EX(1), 0xFFFFFFFF); 4050 } 4051 } else { /* Simple settings for Legacy/MSI */ 4052 ixgbe_set_ivar(adapter, 0, 0, 0); 4053 ixgbe_set_ivar(adapter, 0, 0, 1); 4054 IXGBE_WRITE_REG(hw, IXGBE_EIAM, IXGBE_EICS_RTX_QUEUE); 4055 } 4056 4057 ixgbe_init_fdir(adapter); 4058 4059 /* 4060 * Check on any SFP devices that 4061 * need to be kick-started 4062 */ 4063 if (hw->phy.type == ixgbe_phy_none) { 4064 err = hw->phy.ops.identify(hw); 4065 if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) { 4066 device_printf(dev, 4067 "Unsupported SFP+ module type was detected.\n"); 4068 return; 4069 } 4070 } 4071 4072 /* Set moderation on the Link interrupt */ 4073 ixgbe_eitr_write(adapter, adapter->vector, IXGBE_LINK_ITR); 4074 4075 /* Enable power to the phy. */ 4076 ixgbe_set_phy_power(hw, TRUE); 4077 4078 /* Config/Enable Link */ 4079 ixgbe_config_link(adapter); 4080 4081 /* Hardware Packet Buffer & Flow Control setup */ 4082 ixgbe_config_delay_values(adapter); 4083 4084 /* Initialize the FC settings */ 4085 ixgbe_start_hw(hw); 4086 4087 /* Set up VLAN support and filter */ 4088 ixgbe_setup_vlan_hw_support(adapter); 4089 4090 /* Setup DMA Coalescing */ 4091 ixgbe_config_dmac(adapter); 4092 4093 /* And now turn on interrupts */ 4094 ixgbe_enable_intr(adapter); 4095 4096 /* Enable the use of the MBX by the VF's */ 4097 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) { 4098 ctrl_ext = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT); 4099 ctrl_ext |= IXGBE_CTRL_EXT_PFRSTD; 4100 IXGBE_WRITE_REG(hw, IXGBE_CTRL_EXT, ctrl_ext); 4101 } 4102 4103 /* Update saved flags. See ixgbe_ifflags_cb() */ 4104 adapter->if_flags = ifp->if_flags; 4105 4106 /* Now inform the stack we're ready */ 4107 ifp->if_flags |= IFF_RUNNING; 4108 4109 return; 4110 } /* ixgbe_init_locked */ 4111 4112 /************************************************************************ 4113 * ixgbe_init 4114 ************************************************************************/ 4115 static int 4116 ixgbe_init(struct ifnet *ifp) 4117 { 4118 struct adapter *adapter = ifp->if_softc; 4119 4120 IXGBE_CORE_LOCK(adapter); 4121 ixgbe_init_locked(adapter); 4122 IXGBE_CORE_UNLOCK(adapter); 4123 4124 return 0; /* XXX ixgbe_init_locked cannot fail? really? */ 4125 } /* ixgbe_init */ 4126 4127 /************************************************************************ 4128 * ixgbe_set_ivar 4129 * 4130 * Setup the correct IVAR register for a particular MSI-X interrupt 4131 * (yes this is all very magic and confusing :) 4132 * - entry is the register array entry 4133 * - vector is the MSI-X vector for this queue 4134 * - type is RX/TX/MISC 4135 ************************************************************************/ 4136 static void 4137 ixgbe_set_ivar(struct adapter *adapter, u8 entry, u8 vector, s8 type) 4138 { 4139 struct ixgbe_hw *hw = &adapter->hw; 4140 u32 ivar, index; 4141 4142 vector |= IXGBE_IVAR_ALLOC_VAL; 4143 4144 switch (hw->mac.type) { 4145 case ixgbe_mac_82598EB: 4146 if (type == -1) 4147 entry = IXGBE_IVAR_OTHER_CAUSES_INDEX; 4148 else 4149 entry += (type * 64); 4150 index = (entry >> 2) & 0x1F; 4151 ivar = IXGBE_READ_REG(hw, IXGBE_IVAR(index)); 4152 ivar &= ~(0xFF << (8 * (entry & 0x3))); 4153 ivar |= (vector << (8 * (entry & 0x3))); 4154 IXGBE_WRITE_REG(&adapter->hw, IXGBE_IVAR(index), ivar); 4155 break; 4156 case ixgbe_mac_82599EB: 4157 case ixgbe_mac_X540: 4158 case ixgbe_mac_X550: 4159 case ixgbe_mac_X550EM_x: 4160 case ixgbe_mac_X550EM_a: 4161 if (type == -1) { /* MISC IVAR */ 4162 index = (entry & 1) * 8; 4163 ivar = IXGBE_READ_REG(hw, IXGBE_IVAR_MISC); 4164 ivar &= ~(0xFF << index); 4165 ivar |= (vector << index); 4166 IXGBE_WRITE_REG(hw, IXGBE_IVAR_MISC, ivar); 4167 } else { /* RX/TX IVARS */ 4168 index = (16 * (entry & 1)) + (8 * type); 4169 ivar = IXGBE_READ_REG(hw, IXGBE_IVAR(entry >> 1)); 4170 ivar &= ~(0xFF << index); 4171 ivar |= (vector << index); 4172 IXGBE_WRITE_REG(hw, IXGBE_IVAR(entry >> 1), ivar); 4173 } 4174 break; 4175 default: 4176 break; 4177 } 4178 } /* ixgbe_set_ivar */ 4179 4180 /************************************************************************ 4181 * ixgbe_configure_ivars 4182 ************************************************************************/ 4183 static void 4184 ixgbe_configure_ivars(struct adapter *adapter) 4185 { 4186 struct ix_queue *que = adapter->queues; 4187 u32 newitr; 4188 4189 if (ixgbe_max_interrupt_rate > 0) 4190 newitr = (4000000 / ixgbe_max_interrupt_rate) & 0x0FF8; 4191 else { 4192 /* 4193 * Disable DMA coalescing if interrupt moderation is 4194 * disabled. 4195 */ 4196 adapter->dmac = 0; 4197 newitr = 0; 4198 } 4199 4200 for (int i = 0; i < adapter->num_queues; i++, que++) { 4201 struct rx_ring *rxr = &adapter->rx_rings[i]; 4202 struct tx_ring *txr = &adapter->tx_rings[i]; 4203 /* First the RX queue entry */ 4204 ixgbe_set_ivar(adapter, rxr->me, que->msix, 0); 4205 /* ... and the TX */ 4206 ixgbe_set_ivar(adapter, txr->me, que->msix, 1); 4207 /* Set an Initial EITR value */ 4208 ixgbe_eitr_write(adapter, que->msix, newitr); 4209 /* 4210 * To eliminate influence of the previous state. 4211 * At this point, Tx/Rx interrupt handler 4212 * (ixgbe_msix_que()) cannot be called, so both 4213 * IXGBE_TX_LOCK and IXGBE_RX_LOCK are not required. 4214 */ 4215 que->eitr_setting = 0; 4216 } 4217 4218 /* For the Link interrupt */ 4219 ixgbe_set_ivar(adapter, 1, adapter->vector, -1); 4220 } /* ixgbe_configure_ivars */ 4221 4222 /************************************************************************ 4223 * ixgbe_config_gpie 4224 ************************************************************************/ 4225 static void 4226 ixgbe_config_gpie(struct adapter *adapter) 4227 { 4228 struct ixgbe_hw *hw = &adapter->hw; 4229 u32 gpie; 4230 4231 gpie = IXGBE_READ_REG(hw, IXGBE_GPIE); 4232 4233 if (adapter->feat_en & IXGBE_FEATURE_MSIX) { 4234 /* Enable Enhanced MSI-X mode */ 4235 gpie |= IXGBE_GPIE_MSIX_MODE 4236 | IXGBE_GPIE_EIAME 4237 | IXGBE_GPIE_PBA_SUPPORT 4238 | IXGBE_GPIE_OCD; 4239 } 4240 4241 /* Fan Failure Interrupt */ 4242 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) 4243 gpie |= IXGBE_SDP1_GPIEN; 4244 4245 /* Thermal Sensor Interrupt */ 4246 if (adapter->feat_en & IXGBE_FEATURE_TEMP_SENSOR) 4247 gpie |= IXGBE_SDP0_GPIEN_X540; 4248 4249 /* Link detection */ 4250 switch (hw->mac.type) { 4251 case ixgbe_mac_82599EB: 4252 gpie |= IXGBE_SDP1_GPIEN | IXGBE_SDP2_GPIEN; 4253 break; 4254 case ixgbe_mac_X550EM_x: 4255 case ixgbe_mac_X550EM_a: 4256 gpie |= IXGBE_SDP0_GPIEN_X540; 4257 break; 4258 default: 4259 break; 4260 } 4261 4262 IXGBE_WRITE_REG(hw, IXGBE_GPIE, gpie); 4263 4264 } /* ixgbe_config_gpie */ 4265 4266 /************************************************************************ 4267 * ixgbe_config_delay_values 4268 * 4269 * Requires adapter->max_frame_size to be set. 4270 ************************************************************************/ 4271 static void 4272 ixgbe_config_delay_values(struct adapter *adapter) 4273 { 4274 struct ixgbe_hw *hw = &adapter->hw; 4275 u32 rxpb, frame, size, tmp; 4276 4277 frame = adapter->max_frame_size; 4278 4279 /* Calculate High Water */ 4280 switch (hw->mac.type) { 4281 case ixgbe_mac_X540: 4282 case ixgbe_mac_X550: 4283 case ixgbe_mac_X550EM_x: 4284 case ixgbe_mac_X550EM_a: 4285 tmp = IXGBE_DV_X540(frame, frame); 4286 break; 4287 default: 4288 tmp = IXGBE_DV(frame, frame); 4289 break; 4290 } 4291 size = IXGBE_BT2KB(tmp); 4292 rxpb = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(0)) >> 10; 4293 hw->fc.high_water[0] = rxpb - size; 4294 4295 /* Now calculate Low Water */ 4296 switch (hw->mac.type) { 4297 case ixgbe_mac_X540: 4298 case ixgbe_mac_X550: 4299 case ixgbe_mac_X550EM_x: 4300 case ixgbe_mac_X550EM_a: 4301 tmp = IXGBE_LOW_DV_X540(frame); 4302 break; 4303 default: 4304 tmp = IXGBE_LOW_DV(frame); 4305 break; 4306 } 4307 hw->fc.low_water[0] = IXGBE_BT2KB(tmp); 4308 4309 hw->fc.pause_time = IXGBE_FC_PAUSE; 4310 hw->fc.send_xon = TRUE; 4311 } /* ixgbe_config_delay_values */ 4312 4313 /************************************************************************ 4314 * ixgbe_set_multi - Multicast Update 4315 * 4316 * Called whenever multicast address list is updated. 4317 ************************************************************************/ 4318 static void 4319 ixgbe_set_multi(struct adapter *adapter) 4320 { 4321 struct ixgbe_mc_addr *mta; 4322 struct ifnet *ifp = adapter->ifp; 4323 u8 *update_ptr; 4324 int mcnt = 0; 4325 u32 fctrl; 4326 struct ethercom *ec = &adapter->osdep.ec; 4327 struct ether_multi *enm; 4328 struct ether_multistep step; 4329 4330 KASSERT(mutex_owned(&adapter->core_mtx)); 4331 IOCTL_DEBUGOUT("ixgbe_set_multi: begin"); 4332 4333 mta = adapter->mta; 4334 bzero(mta, sizeof(*mta) * MAX_NUM_MULTICAST_ADDRESSES); 4335 4336 ifp->if_flags &= ~IFF_ALLMULTI; 4337 ETHER_LOCK(ec); 4338 ETHER_FIRST_MULTI(step, ec, enm); 4339 while (enm != NULL) { 4340 if ((mcnt == MAX_NUM_MULTICAST_ADDRESSES) || 4341 (memcmp(enm->enm_addrlo, enm->enm_addrhi, 4342 ETHER_ADDR_LEN) != 0)) { 4343 ifp->if_flags |= IFF_ALLMULTI; 4344 break; 4345 } 4346 bcopy(enm->enm_addrlo, 4347 mta[mcnt].addr, IXGBE_ETH_LENGTH_OF_ADDRESS); 4348 mta[mcnt].vmdq = adapter->pool; 4349 mcnt++; 4350 ETHER_NEXT_MULTI(step, enm); 4351 } 4352 ETHER_UNLOCK(ec); 4353 4354 fctrl = IXGBE_READ_REG(&adapter->hw, IXGBE_FCTRL); 4355 fctrl &= ~(IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE); 4356 if (ifp->if_flags & IFF_PROMISC) 4357 fctrl |= (IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE); 4358 else if (ifp->if_flags & IFF_ALLMULTI) { 4359 fctrl |= IXGBE_FCTRL_MPE; 4360 } 4361 4362 IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCTRL, fctrl); 4363 4364 if (mcnt < MAX_NUM_MULTICAST_ADDRESSES) { 4365 update_ptr = (u8 *)mta; 4366 ixgbe_update_mc_addr_list(&adapter->hw, update_ptr, mcnt, 4367 ixgbe_mc_array_itr, TRUE); 4368 } 4369 4370 } /* ixgbe_set_multi */ 4371 4372 /************************************************************************ 4373 * ixgbe_mc_array_itr 4374 * 4375 * An iterator function needed by the multicast shared code. 4376 * It feeds the shared code routine the addresses in the 4377 * array of ixgbe_set_multi() one by one. 4378 ************************************************************************/ 4379 static u8 * 4380 ixgbe_mc_array_itr(struct ixgbe_hw *hw, u8 **update_ptr, u32 *vmdq) 4381 { 4382 struct ixgbe_mc_addr *mta; 4383 4384 mta = (struct ixgbe_mc_addr *)*update_ptr; 4385 *vmdq = mta->vmdq; 4386 4387 *update_ptr = (u8*)(mta + 1); 4388 4389 return (mta->addr); 4390 } /* ixgbe_mc_array_itr */ 4391 4392 /************************************************************************ 4393 * ixgbe_local_timer - Timer routine 4394 * 4395 * Checks for link status, updates statistics, 4396 * and runs the watchdog check. 4397 ************************************************************************/ 4398 static void 4399 ixgbe_local_timer(void *arg) 4400 { 4401 struct adapter *adapter = arg; 4402 4403 IXGBE_CORE_LOCK(adapter); 4404 ixgbe_local_timer1(adapter); 4405 IXGBE_CORE_UNLOCK(adapter); 4406 } 4407 4408 static void 4409 ixgbe_local_timer1(void *arg) 4410 { 4411 struct adapter *adapter = arg; 4412 device_t dev = adapter->dev; 4413 struct ix_queue *que = adapter->queues; 4414 u64 queues = 0; 4415 u64 v0, v1, v2, v3, v4, v5, v6, v7; 4416 int hung = 0; 4417 int i; 4418 4419 KASSERT(mutex_owned(&adapter->core_mtx)); 4420 4421 /* Check for pluggable optics */ 4422 if (adapter->sfp_probe) 4423 if (!ixgbe_sfp_probe(adapter)) 4424 goto out; /* Nothing to do */ 4425 4426 ixgbe_update_link_status(adapter); 4427 ixgbe_update_stats_counters(adapter); 4428 4429 /* Update some event counters */ 4430 v0 = v1 = v2 = v3 = v4 = v5 = v6 = v7 = 0; 4431 que = adapter->queues; 4432 for (i = 0; i < adapter->num_queues; i++, que++) { 4433 struct tx_ring *txr = que->txr; 4434 4435 v0 += txr->q_efbig_tx_dma_setup; 4436 v1 += txr->q_mbuf_defrag_failed; 4437 v2 += txr->q_efbig2_tx_dma_setup; 4438 v3 += txr->q_einval_tx_dma_setup; 4439 v4 += txr->q_other_tx_dma_setup; 4440 v5 += txr->q_eagain_tx_dma_setup; 4441 v6 += txr->q_enomem_tx_dma_setup; 4442 v7 += txr->q_tso_err; 4443 } 4444 adapter->efbig_tx_dma_setup.ev_count = v0; 4445 adapter->mbuf_defrag_failed.ev_count = v1; 4446 adapter->efbig2_tx_dma_setup.ev_count = v2; 4447 adapter->einval_tx_dma_setup.ev_count = v3; 4448 adapter->other_tx_dma_setup.ev_count = v4; 4449 adapter->eagain_tx_dma_setup.ev_count = v5; 4450 adapter->enomem_tx_dma_setup.ev_count = v6; 4451 adapter->tso_err.ev_count = v7; 4452 4453 /* 4454 * Check the TX queues status 4455 * - mark hung queues so we don't schedule on them 4456 * - watchdog only if all queues show hung 4457 */ 4458 que = adapter->queues; 4459 for (i = 0; i < adapter->num_queues; i++, que++) { 4460 /* Keep track of queues with work for soft irq */ 4461 if (que->txr->busy) 4462 queues |= ((u64)1 << que->me); 4463 /* 4464 * Each time txeof runs without cleaning, but there 4465 * are uncleaned descriptors it increments busy. If 4466 * we get to the MAX we declare it hung. 4467 */ 4468 if (que->busy == IXGBE_QUEUE_HUNG) { 4469 ++hung; 4470 /* Mark the queue as inactive */ 4471 adapter->active_queues &= ~((u64)1 << que->me); 4472 continue; 4473 } else { 4474 /* Check if we've come back from hung */ 4475 if ((adapter->active_queues & ((u64)1 << que->me)) == 0) 4476 adapter->active_queues |= ((u64)1 << que->me); 4477 } 4478 if (que->busy >= IXGBE_MAX_TX_BUSY) { 4479 device_printf(dev, 4480 "Warning queue %d appears to be hung!\n", i); 4481 que->txr->busy = IXGBE_QUEUE_HUNG; 4482 ++hung; 4483 } 4484 } 4485 4486 /* Only truely watchdog if all queues show hung */ 4487 if (hung == adapter->num_queues) 4488 goto watchdog; 4489 #if 0 /* XXX Avoid unexpectedly disabling interrupt forever (PR#53294) */ 4490 else if (queues != 0) { /* Force an IRQ on queues with work */ 4491 que = adapter->queues; 4492 for (i = 0; i < adapter->num_queues; i++, que++) { 4493 mutex_enter(&que->dc_mtx); 4494 if (que->disabled_count == 0) 4495 ixgbe_rearm_queues(adapter, 4496 queues & ((u64)1 << i)); 4497 mutex_exit(&que->dc_mtx); 4498 } 4499 } 4500 #endif 4501 4502 out: 4503 callout_reset(&adapter->timer, hz, ixgbe_local_timer, adapter); 4504 return; 4505 4506 watchdog: 4507 device_printf(adapter->dev, "Watchdog timeout -- resetting\n"); 4508 adapter->ifp->if_flags &= ~IFF_RUNNING; 4509 adapter->watchdog_events.ev_count++; 4510 ixgbe_init_locked(adapter); 4511 } /* ixgbe_local_timer */ 4512 4513 /************************************************************************ 4514 * ixgbe_recovery_mode_timer - Recovery mode timer routine 4515 ************************************************************************/ 4516 static void 4517 ixgbe_recovery_mode_timer(void *arg) 4518 { 4519 struct adapter *adapter = arg; 4520 struct ixgbe_hw *hw = &adapter->hw; 4521 4522 IXGBE_CORE_LOCK(adapter); 4523 if (ixgbe_fw_recovery_mode(hw)) { 4524 if (atomic_cas_uint(&adapter->recovery_mode, 0, 1)) { 4525 /* Firmware error detected, entering recovery mode */ 4526 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"); 4527 4528 if (hw->adapter_stopped == FALSE) 4529 ixgbe_stop(adapter); 4530 } 4531 } else 4532 atomic_cas_uint(&adapter->recovery_mode, 1, 0); 4533 4534 callout_reset(&adapter->recovery_mode_timer, hz, 4535 ixgbe_recovery_mode_timer, adapter); 4536 IXGBE_CORE_UNLOCK(adapter); 4537 } /* ixgbe_recovery_mode_timer */ 4538 4539 /************************************************************************ 4540 * ixgbe_sfp_probe 4541 * 4542 * Determine if a port had optics inserted. 4543 ************************************************************************/ 4544 static bool 4545 ixgbe_sfp_probe(struct adapter *adapter) 4546 { 4547 struct ixgbe_hw *hw = &adapter->hw; 4548 device_t dev = adapter->dev; 4549 bool result = FALSE; 4550 4551 if ((hw->phy.type == ixgbe_phy_nl) && 4552 (hw->phy.sfp_type == ixgbe_sfp_type_not_present)) { 4553 s32 ret = hw->phy.ops.identify_sfp(hw); 4554 if (ret) 4555 goto out; 4556 ret = hw->phy.ops.reset(hw); 4557 adapter->sfp_probe = FALSE; 4558 if (ret == IXGBE_ERR_SFP_NOT_SUPPORTED) { 4559 device_printf(dev,"Unsupported SFP+ module detected!"); 4560 device_printf(dev, 4561 "Reload driver with supported module.\n"); 4562 goto out; 4563 } else 4564 device_printf(dev, "SFP+ module detected!\n"); 4565 /* We now have supported optics */ 4566 result = TRUE; 4567 } 4568 out: 4569 4570 return (result); 4571 } /* ixgbe_sfp_probe */ 4572 4573 /************************************************************************ 4574 * ixgbe_handle_mod - Tasklet for SFP module interrupts 4575 ************************************************************************/ 4576 static void 4577 ixgbe_handle_mod(void *context) 4578 { 4579 struct adapter *adapter = context; 4580 struct ixgbe_hw *hw = &adapter->hw; 4581 device_t dev = adapter->dev; 4582 u32 err, cage_full = 0; 4583 4584 ++adapter->mod_sicount.ev_count; 4585 if (adapter->hw.need_crosstalk_fix) { 4586 switch (hw->mac.type) { 4587 case ixgbe_mac_82599EB: 4588 cage_full = IXGBE_READ_REG(hw, IXGBE_ESDP) & 4589 IXGBE_ESDP_SDP2; 4590 break; 4591 case ixgbe_mac_X550EM_x: 4592 case ixgbe_mac_X550EM_a: 4593 cage_full = IXGBE_READ_REG(hw, IXGBE_ESDP) & 4594 IXGBE_ESDP_SDP0; 4595 break; 4596 default: 4597 break; 4598 } 4599 4600 if (!cage_full) 4601 return; 4602 } 4603 4604 err = hw->phy.ops.identify_sfp(hw); 4605 if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) { 4606 device_printf(dev, 4607 "Unsupported SFP+ module type was detected.\n"); 4608 return; 4609 } 4610 4611 if (hw->mac.type == ixgbe_mac_82598EB) 4612 err = hw->phy.ops.reset(hw); 4613 else 4614 err = hw->mac.ops.setup_sfp(hw); 4615 4616 if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) { 4617 device_printf(dev, 4618 "Setup failure - unsupported SFP+ module type.\n"); 4619 return; 4620 } 4621 softint_schedule(adapter->msf_si); 4622 } /* ixgbe_handle_mod */ 4623 4624 4625 /************************************************************************ 4626 * ixgbe_handle_msf - Tasklet for MSF (multispeed fiber) interrupts 4627 ************************************************************************/ 4628 static void 4629 ixgbe_handle_msf(void *context) 4630 { 4631 struct adapter *adapter = context; 4632 struct ixgbe_hw *hw = &adapter->hw; 4633 u32 autoneg; 4634 bool negotiate; 4635 4636 IXGBE_CORE_LOCK(adapter); 4637 ++adapter->msf_sicount.ev_count; 4638 /* get_supported_phy_layer will call hw->phy.ops.identify_sfp() */ 4639 adapter->phy_layer = ixgbe_get_supported_physical_layer(hw); 4640 4641 autoneg = hw->phy.autoneg_advertised; 4642 if ((!autoneg) && (hw->mac.ops.get_link_capabilities)) 4643 hw->mac.ops.get_link_capabilities(hw, &autoneg, &negotiate); 4644 else 4645 negotiate = 0; 4646 if (hw->mac.ops.setup_link) 4647 hw->mac.ops.setup_link(hw, autoneg, TRUE); 4648 4649 /* Adjust media types shown in ifconfig */ 4650 ifmedia_removeall(&adapter->media); 4651 ixgbe_add_media_types(adapter); 4652 ifmedia_set(&adapter->media, IFM_ETHER | IFM_AUTO); 4653 IXGBE_CORE_UNLOCK(adapter); 4654 } /* ixgbe_handle_msf */ 4655 4656 /************************************************************************ 4657 * ixgbe_handle_phy - Tasklet for external PHY interrupts 4658 ************************************************************************/ 4659 static void 4660 ixgbe_handle_phy(void *context) 4661 { 4662 struct adapter *adapter = context; 4663 struct ixgbe_hw *hw = &adapter->hw; 4664 int error; 4665 4666 ++adapter->phy_sicount.ev_count; 4667 error = hw->phy.ops.handle_lasi(hw); 4668 if (error == IXGBE_ERR_OVERTEMP) 4669 device_printf(adapter->dev, 4670 "CRITICAL: EXTERNAL PHY OVER TEMP!! " 4671 " PHY will downshift to lower power state!\n"); 4672 else if (error) 4673 device_printf(adapter->dev, 4674 "Error handling LASI interrupt: %d\n", error); 4675 } /* ixgbe_handle_phy */ 4676 4677 static void 4678 ixgbe_ifstop(struct ifnet *ifp, int disable) 4679 { 4680 struct adapter *adapter = ifp->if_softc; 4681 4682 IXGBE_CORE_LOCK(adapter); 4683 ixgbe_stop(adapter); 4684 IXGBE_CORE_UNLOCK(adapter); 4685 } 4686 4687 /************************************************************************ 4688 * ixgbe_stop - Stop the hardware 4689 * 4690 * Disables all traffic on the adapter by issuing a 4691 * global reset on the MAC and deallocates TX/RX buffers. 4692 ************************************************************************/ 4693 static void 4694 ixgbe_stop(void *arg) 4695 { 4696 struct ifnet *ifp; 4697 struct adapter *adapter = arg; 4698 struct ixgbe_hw *hw = &adapter->hw; 4699 4700 ifp = adapter->ifp; 4701 4702 KASSERT(mutex_owned(&adapter->core_mtx)); 4703 4704 INIT_DEBUGOUT("ixgbe_stop: begin\n"); 4705 ixgbe_disable_intr(adapter); 4706 callout_stop(&adapter->timer); 4707 4708 /* Let the stack know...*/ 4709 ifp->if_flags &= ~IFF_RUNNING; 4710 4711 ixgbe_reset_hw(hw); 4712 hw->adapter_stopped = FALSE; 4713 ixgbe_stop_adapter(hw); 4714 if (hw->mac.type == ixgbe_mac_82599EB) 4715 ixgbe_stop_mac_link_on_d3_82599(hw); 4716 /* Turn off the laser - noop with no optics */ 4717 ixgbe_disable_tx_laser(hw); 4718 4719 /* Update the stack */ 4720 adapter->link_up = FALSE; 4721 ixgbe_update_link_status(adapter); 4722 4723 /* reprogram the RAR[0] in case user changed it. */ 4724 ixgbe_set_rar(&adapter->hw, 0, adapter->hw.mac.addr, 0, IXGBE_RAH_AV); 4725 4726 return; 4727 } /* ixgbe_stop */ 4728 4729 /************************************************************************ 4730 * ixgbe_update_link_status - Update OS on link state 4731 * 4732 * Note: Only updates the OS on the cached link state. 4733 * The real check of the hardware only happens with 4734 * a link interrupt. 4735 ************************************************************************/ 4736 static void 4737 ixgbe_update_link_status(struct adapter *adapter) 4738 { 4739 struct ifnet *ifp = adapter->ifp; 4740 device_t dev = adapter->dev; 4741 struct ixgbe_hw *hw = &adapter->hw; 4742 4743 KASSERT(mutex_owned(&adapter->core_mtx)); 4744 4745 if (adapter->link_up) { 4746 if (adapter->link_active == FALSE) { 4747 /* 4748 * To eliminate influence of the previous state 4749 * in the same way as ixgbe_init_locked(). 4750 */ 4751 struct ix_queue *que = adapter->queues; 4752 for (int i = 0; i < adapter->num_queues; i++, que++) 4753 que->eitr_setting = 0; 4754 4755 if (adapter->link_speed == IXGBE_LINK_SPEED_10GB_FULL){ 4756 /* 4757 * Discard count for both MAC Local Fault and 4758 * Remote Fault because those registers are 4759 * valid only when the link speed is up and 4760 * 10Gbps. 4761 */ 4762 IXGBE_READ_REG(hw, IXGBE_MLFC); 4763 IXGBE_READ_REG(hw, IXGBE_MRFC); 4764 } 4765 4766 if (bootverbose) { 4767 const char *bpsmsg; 4768 4769 switch (adapter->link_speed) { 4770 case IXGBE_LINK_SPEED_10GB_FULL: 4771 bpsmsg = "10 Gbps"; 4772 break; 4773 case IXGBE_LINK_SPEED_5GB_FULL: 4774 bpsmsg = "5 Gbps"; 4775 break; 4776 case IXGBE_LINK_SPEED_2_5GB_FULL: 4777 bpsmsg = "2.5 Gbps"; 4778 break; 4779 case IXGBE_LINK_SPEED_1GB_FULL: 4780 bpsmsg = "1 Gbps"; 4781 break; 4782 case IXGBE_LINK_SPEED_100_FULL: 4783 bpsmsg = "100 Mbps"; 4784 break; 4785 case IXGBE_LINK_SPEED_10_FULL: 4786 bpsmsg = "10 Mbps"; 4787 break; 4788 default: 4789 bpsmsg = "unknown speed"; 4790 break; 4791 } 4792 device_printf(dev, "Link is up %s %s \n", 4793 bpsmsg, "Full Duplex"); 4794 } 4795 adapter->link_active = TRUE; 4796 /* Update any Flow Control changes */ 4797 ixgbe_fc_enable(&adapter->hw); 4798 /* Update DMA coalescing config */ 4799 ixgbe_config_dmac(adapter); 4800 if_link_state_change(ifp, LINK_STATE_UP); 4801 4802 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) 4803 ixgbe_ping_all_vfs(adapter); 4804 } 4805 } else { /* Link down */ 4806 if (adapter->link_active == TRUE) { 4807 if (bootverbose) 4808 device_printf(dev, "Link is Down\n"); 4809 if_link_state_change(ifp, LINK_STATE_DOWN); 4810 adapter->link_active = FALSE; 4811 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) 4812 ixgbe_ping_all_vfs(adapter); 4813 ixgbe_drain_all(adapter); 4814 } 4815 } 4816 } /* ixgbe_update_link_status */ 4817 4818 /************************************************************************ 4819 * ixgbe_config_dmac - Configure DMA Coalescing 4820 ************************************************************************/ 4821 static void 4822 ixgbe_config_dmac(struct adapter *adapter) 4823 { 4824 struct ixgbe_hw *hw = &adapter->hw; 4825 struct ixgbe_dmac_config *dcfg = &hw->mac.dmac_config; 4826 4827 if (hw->mac.type < ixgbe_mac_X550 || !hw->mac.ops.dmac_config) 4828 return; 4829 4830 if (dcfg->watchdog_timer ^ adapter->dmac || 4831 dcfg->link_speed ^ adapter->link_speed) { 4832 dcfg->watchdog_timer = adapter->dmac; 4833 dcfg->fcoe_en = false; 4834 dcfg->link_speed = adapter->link_speed; 4835 dcfg->num_tcs = 1; 4836 4837 INIT_DEBUGOUT2("dmac settings: watchdog %d, link speed %d\n", 4838 dcfg->watchdog_timer, dcfg->link_speed); 4839 4840 hw->mac.ops.dmac_config(hw); 4841 } 4842 } /* ixgbe_config_dmac */ 4843 4844 /************************************************************************ 4845 * ixgbe_enable_intr 4846 ************************************************************************/ 4847 static void 4848 ixgbe_enable_intr(struct adapter *adapter) 4849 { 4850 struct ixgbe_hw *hw = &adapter->hw; 4851 struct ix_queue *que = adapter->queues; 4852 u32 mask, fwsm; 4853 4854 mask = (IXGBE_EIMS_ENABLE_MASK & ~IXGBE_EIMS_RTX_QUEUE); 4855 4856 switch (adapter->hw.mac.type) { 4857 case ixgbe_mac_82599EB: 4858 mask |= IXGBE_EIMS_ECC; 4859 /* Temperature sensor on some adapters */ 4860 mask |= IXGBE_EIMS_GPI_SDP0; 4861 /* SFP+ (RX_LOS_N & MOD_ABS_N) */ 4862 mask |= IXGBE_EIMS_GPI_SDP1; 4863 mask |= IXGBE_EIMS_GPI_SDP2; 4864 break; 4865 case ixgbe_mac_X540: 4866 /* Detect if Thermal Sensor is enabled */ 4867 fwsm = IXGBE_READ_REG(hw, IXGBE_FWSM); 4868 if (fwsm & IXGBE_FWSM_TS_ENABLED) 4869 mask |= IXGBE_EIMS_TS; 4870 mask |= IXGBE_EIMS_ECC; 4871 break; 4872 case ixgbe_mac_X550: 4873 /* MAC thermal sensor is automatically enabled */ 4874 mask |= IXGBE_EIMS_TS; 4875 mask |= IXGBE_EIMS_ECC; 4876 break; 4877 case ixgbe_mac_X550EM_x: 4878 case ixgbe_mac_X550EM_a: 4879 /* Some devices use SDP0 for important information */ 4880 if (hw->device_id == IXGBE_DEV_ID_X550EM_X_SFP || 4881 hw->device_id == IXGBE_DEV_ID_X550EM_A_SFP || 4882 hw->device_id == IXGBE_DEV_ID_X550EM_A_SFP_N || 4883 hw->device_id == IXGBE_DEV_ID_X550EM_X_10G_T) 4884 mask |= IXGBE_EIMS_GPI_SDP0_BY_MAC(hw); 4885 if (hw->phy.type == ixgbe_phy_x550em_ext_t) 4886 mask |= IXGBE_EICR_GPI_SDP0_X540; 4887 mask |= IXGBE_EIMS_ECC; 4888 break; 4889 default: 4890 break; 4891 } 4892 4893 /* Enable Fan Failure detection */ 4894 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) 4895 mask |= IXGBE_EIMS_GPI_SDP1; 4896 /* Enable SR-IOV */ 4897 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) 4898 mask |= IXGBE_EIMS_MAILBOX; 4899 /* Enable Flow Director */ 4900 if (adapter->feat_en & IXGBE_FEATURE_FDIR) 4901 mask |= IXGBE_EIMS_FLOW_DIR; 4902 4903 IXGBE_WRITE_REG(hw, IXGBE_EIMS, mask); 4904 4905 /* With MSI-X we use auto clear */ 4906 if (adapter->msix_mem) { 4907 mask = IXGBE_EIMS_ENABLE_MASK; 4908 /* Don't autoclear Link */ 4909 mask &= ~IXGBE_EIMS_OTHER; 4910 mask &= ~IXGBE_EIMS_LSC; 4911 if (adapter->feat_cap & IXGBE_FEATURE_SRIOV) 4912 mask &= ~IXGBE_EIMS_MAILBOX; 4913 IXGBE_WRITE_REG(hw, IXGBE_EIAC, mask); 4914 } 4915 4916 /* 4917 * Now enable all queues, this is done separately to 4918 * allow for handling the extended (beyond 32) MSI-X 4919 * vectors that can be used by 82599 4920 */ 4921 for (int i = 0; i < adapter->num_queues; i++, que++) 4922 ixgbe_enable_queue(adapter, que->msix); 4923 4924 IXGBE_WRITE_FLUSH(hw); 4925 4926 } /* ixgbe_enable_intr */ 4927 4928 /************************************************************************ 4929 * ixgbe_disable_intr_internal 4930 ************************************************************************/ 4931 static void 4932 ixgbe_disable_intr_internal(struct adapter *adapter, bool nestok) 4933 { 4934 struct ix_queue *que = adapter->queues; 4935 4936 /* disable interrupts other than queues */ 4937 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, ~IXGBE_EIMC_RTX_QUEUE); 4938 4939 if (adapter->msix_mem) 4940 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIAC, 0); 4941 4942 for (int i = 0; i < adapter->num_queues; i++, que++) 4943 ixgbe_disable_queue_internal(adapter, que->msix, nestok); 4944 4945 IXGBE_WRITE_FLUSH(&adapter->hw); 4946 4947 } /* ixgbe_do_disable_intr_internal */ 4948 4949 /************************************************************************ 4950 * ixgbe_disable_intr 4951 ************************************************************************/ 4952 static void 4953 ixgbe_disable_intr(struct adapter *adapter) 4954 { 4955 4956 ixgbe_disable_intr_internal(adapter, true); 4957 } /* ixgbe_disable_intr */ 4958 4959 /************************************************************************ 4960 * ixgbe_ensure_disabled_intr 4961 ************************************************************************/ 4962 void 4963 ixgbe_ensure_disabled_intr(struct adapter *adapter) 4964 { 4965 4966 ixgbe_disable_intr_internal(adapter, false); 4967 } /* ixgbe_ensure_disabled_intr */ 4968 4969 /************************************************************************ 4970 * ixgbe_legacy_irq - Legacy Interrupt Service routine 4971 ************************************************************************/ 4972 static int 4973 ixgbe_legacy_irq(void *arg) 4974 { 4975 struct ix_queue *que = arg; 4976 struct adapter *adapter = que->adapter; 4977 struct ixgbe_hw *hw = &adapter->hw; 4978 struct ifnet *ifp = adapter->ifp; 4979 struct tx_ring *txr = adapter->tx_rings; 4980 bool more = false; 4981 u32 eicr, eicr_mask; 4982 4983 /* Silicon errata #26 on 82598 */ 4984 IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_IRQ_CLEAR_MASK); 4985 4986 eicr = IXGBE_READ_REG(hw, IXGBE_EICR); 4987 4988 adapter->stats.pf.legint.ev_count++; 4989 ++que->irqs.ev_count; 4990 if (eicr == 0) { 4991 adapter->stats.pf.intzero.ev_count++; 4992 if ((ifp->if_flags & IFF_UP) != 0) 4993 ixgbe_enable_intr(adapter); 4994 return 0; 4995 } 4996 4997 if ((ifp->if_flags & IFF_RUNNING) != 0) { 4998 /* 4999 * The same as ixgbe_msix_que() about "que->txrx_use_workqueue". 5000 */ 5001 que->txrx_use_workqueue = adapter->txrx_use_workqueue; 5002 5003 #ifdef __NetBSD__ 5004 /* Don't run ixgbe_rxeof in interrupt context */ 5005 more = true; 5006 #else 5007 more = ixgbe_rxeof(que); 5008 #endif 5009 5010 IXGBE_TX_LOCK(txr); 5011 ixgbe_txeof(txr); 5012 #ifdef notyet 5013 if (!ixgbe_ring_empty(ifp, txr->br)) 5014 ixgbe_start_locked(ifp, txr); 5015 #endif 5016 IXGBE_TX_UNLOCK(txr); 5017 } 5018 5019 /* Check for fan failure */ 5020 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) { 5021 ixgbe_check_fan_failure(adapter, eicr, true); 5022 IXGBE_WRITE_REG(hw, IXGBE_EIMS, IXGBE_EICR_GPI_SDP1_BY_MAC(hw)); 5023 } 5024 5025 /* Link status change */ 5026 if (eicr & IXGBE_EICR_LSC) 5027 softint_schedule(adapter->link_si); 5028 5029 if (ixgbe_is_sfp(hw)) { 5030 /* Pluggable optics-related interrupt */ 5031 if (hw->mac.type >= ixgbe_mac_X540) 5032 eicr_mask = IXGBE_EICR_GPI_SDP0_X540; 5033 else 5034 eicr_mask = IXGBE_EICR_GPI_SDP2_BY_MAC(hw); 5035 5036 if (eicr & eicr_mask) { 5037 IXGBE_WRITE_REG(hw, IXGBE_EICR, eicr_mask); 5038 softint_schedule(adapter->mod_si); 5039 } 5040 5041 if ((hw->mac.type == ixgbe_mac_82599EB) && 5042 (eicr & IXGBE_EICR_GPI_SDP1_BY_MAC(hw))) { 5043 IXGBE_WRITE_REG(hw, IXGBE_EICR, 5044 IXGBE_EICR_GPI_SDP1_BY_MAC(hw)); 5045 softint_schedule(adapter->msf_si); 5046 } 5047 } 5048 5049 /* External PHY interrupt */ 5050 if ((hw->phy.type == ixgbe_phy_x550em_ext_t) && 5051 (eicr & IXGBE_EICR_GPI_SDP0_X540)) 5052 softint_schedule(adapter->phy_si); 5053 5054 if (more) { 5055 que->req.ev_count++; 5056 ixgbe_sched_handle_que(adapter, que); 5057 } else 5058 ixgbe_enable_intr(adapter); 5059 5060 return 1; 5061 } /* ixgbe_legacy_irq */ 5062 5063 /************************************************************************ 5064 * ixgbe_free_pciintr_resources 5065 ************************************************************************/ 5066 static void 5067 ixgbe_free_pciintr_resources(struct adapter *adapter) 5068 { 5069 struct ix_queue *que = adapter->queues; 5070 int rid; 5071 5072 /* 5073 * Release all msix queue resources: 5074 */ 5075 for (int i = 0; i < adapter->num_queues; i++, que++) { 5076 if (que->res != NULL) { 5077 pci_intr_disestablish(adapter->osdep.pc, 5078 adapter->osdep.ihs[i]); 5079 adapter->osdep.ihs[i] = NULL; 5080 } 5081 } 5082 5083 /* Clean the Legacy or Link interrupt last */ 5084 if (adapter->vector) /* we are doing MSIX */ 5085 rid = adapter->vector; 5086 else 5087 rid = 0; 5088 5089 if (adapter->osdep.ihs[rid] != NULL) { 5090 pci_intr_disestablish(adapter->osdep.pc, 5091 adapter->osdep.ihs[rid]); 5092 adapter->osdep.ihs[rid] = NULL; 5093 } 5094 5095 if (adapter->osdep.intrs != NULL) { 5096 pci_intr_release(adapter->osdep.pc, adapter->osdep.intrs, 5097 adapter->osdep.nintrs); 5098 adapter->osdep.intrs = NULL; 5099 } 5100 } /* ixgbe_free_pciintr_resources */ 5101 5102 /************************************************************************ 5103 * ixgbe_free_pci_resources 5104 ************************************************************************/ 5105 static void 5106 ixgbe_free_pci_resources(struct adapter *adapter) 5107 { 5108 5109 ixgbe_free_pciintr_resources(adapter); 5110 5111 if (adapter->osdep.mem_size != 0) { 5112 bus_space_unmap(adapter->osdep.mem_bus_space_tag, 5113 adapter->osdep.mem_bus_space_handle, 5114 adapter->osdep.mem_size); 5115 } 5116 5117 } /* ixgbe_free_pci_resources */ 5118 5119 /************************************************************************ 5120 * ixgbe_set_sysctl_value 5121 ************************************************************************/ 5122 static void 5123 ixgbe_set_sysctl_value(struct adapter *adapter, const char *name, 5124 const char *description, int *limit, int value) 5125 { 5126 device_t dev = adapter->dev; 5127 struct sysctllog **log; 5128 const struct sysctlnode *rnode, *cnode; 5129 5130 /* 5131 * It's not required to check recovery mode because this function never 5132 * touches hardware. 5133 */ 5134 5135 log = &adapter->sysctllog; 5136 if ((rnode = ixgbe_sysctl_instance(adapter)) == NULL) { 5137 aprint_error_dev(dev, "could not create sysctl root\n"); 5138 return; 5139 } 5140 if (sysctl_createv(log, 0, &rnode, &cnode, 5141 CTLFLAG_READWRITE, CTLTYPE_INT, 5142 name, SYSCTL_DESCR(description), 5143 NULL, 0, limit, 0, CTL_CREATE, CTL_EOL) != 0) 5144 aprint_error_dev(dev, "could not create sysctl\n"); 5145 *limit = value; 5146 } /* ixgbe_set_sysctl_value */ 5147 5148 /************************************************************************ 5149 * ixgbe_sysctl_flowcntl 5150 * 5151 * SYSCTL wrapper around setting Flow Control 5152 ************************************************************************/ 5153 static int 5154 ixgbe_sysctl_flowcntl(SYSCTLFN_ARGS) 5155 { 5156 struct sysctlnode node = *rnode; 5157 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5158 int error, fc; 5159 5160 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5161 return (EPERM); 5162 5163 fc = adapter->hw.fc.current_mode; 5164 node.sysctl_data = &fc; 5165 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5166 if (error != 0 || newp == NULL) 5167 return error; 5168 5169 /* Don't bother if it's not changed */ 5170 if (fc == adapter->hw.fc.current_mode) 5171 return (0); 5172 5173 return ixgbe_set_flowcntl(adapter, fc); 5174 } /* ixgbe_sysctl_flowcntl */ 5175 5176 /************************************************************************ 5177 * ixgbe_set_flowcntl - Set flow control 5178 * 5179 * Flow control values: 5180 * 0 - off 5181 * 1 - rx pause 5182 * 2 - tx pause 5183 * 3 - full 5184 ************************************************************************/ 5185 static int 5186 ixgbe_set_flowcntl(struct adapter *adapter, int fc) 5187 { 5188 switch (fc) { 5189 case ixgbe_fc_rx_pause: 5190 case ixgbe_fc_tx_pause: 5191 case ixgbe_fc_full: 5192 adapter->hw.fc.requested_mode = fc; 5193 if (adapter->num_queues > 1) 5194 ixgbe_disable_rx_drop(adapter); 5195 break; 5196 case ixgbe_fc_none: 5197 adapter->hw.fc.requested_mode = ixgbe_fc_none; 5198 if (adapter->num_queues > 1) 5199 ixgbe_enable_rx_drop(adapter); 5200 break; 5201 default: 5202 return (EINVAL); 5203 } 5204 5205 #if 0 /* XXX NetBSD */ 5206 /* Don't autoneg if forcing a value */ 5207 adapter->hw.fc.disable_fc_autoneg = TRUE; 5208 #endif 5209 ixgbe_fc_enable(&adapter->hw); 5210 5211 return (0); 5212 } /* ixgbe_set_flowcntl */ 5213 5214 /************************************************************************ 5215 * ixgbe_enable_rx_drop 5216 * 5217 * Enable the hardware to drop packets when the buffer is 5218 * full. This is useful with multiqueue, so that no single 5219 * queue being full stalls the entire RX engine. We only 5220 * enable this when Multiqueue is enabled AND Flow Control 5221 * is disabled. 5222 ************************************************************************/ 5223 static void 5224 ixgbe_enable_rx_drop(struct adapter *adapter) 5225 { 5226 struct ixgbe_hw *hw = &adapter->hw; 5227 struct rx_ring *rxr; 5228 u32 srrctl; 5229 5230 for (int i = 0; i < adapter->num_queues; i++) { 5231 rxr = &adapter->rx_rings[i]; 5232 srrctl = IXGBE_READ_REG(hw, IXGBE_SRRCTL(rxr->me)); 5233 srrctl |= IXGBE_SRRCTL_DROP_EN; 5234 IXGBE_WRITE_REG(hw, IXGBE_SRRCTL(rxr->me), srrctl); 5235 } 5236 5237 /* enable drop for each vf */ 5238 for (int i = 0; i < adapter->num_vfs; i++) { 5239 IXGBE_WRITE_REG(hw, IXGBE_QDE, 5240 (IXGBE_QDE_WRITE | (i << IXGBE_QDE_IDX_SHIFT) | 5241 IXGBE_QDE_ENABLE)); 5242 } 5243 } /* ixgbe_enable_rx_drop */ 5244 5245 /************************************************************************ 5246 * ixgbe_disable_rx_drop 5247 ************************************************************************/ 5248 static void 5249 ixgbe_disable_rx_drop(struct adapter *adapter) 5250 { 5251 struct ixgbe_hw *hw = &adapter->hw; 5252 struct rx_ring *rxr; 5253 u32 srrctl; 5254 5255 for (int i = 0; i < adapter->num_queues; i++) { 5256 rxr = &adapter->rx_rings[i]; 5257 srrctl = IXGBE_READ_REG(hw, IXGBE_SRRCTL(rxr->me)); 5258 srrctl &= ~IXGBE_SRRCTL_DROP_EN; 5259 IXGBE_WRITE_REG(hw, IXGBE_SRRCTL(rxr->me), srrctl); 5260 } 5261 5262 /* disable drop for each vf */ 5263 for (int i = 0; i < adapter->num_vfs; i++) { 5264 IXGBE_WRITE_REG(hw, IXGBE_QDE, 5265 (IXGBE_QDE_WRITE | (i << IXGBE_QDE_IDX_SHIFT))); 5266 } 5267 } /* ixgbe_disable_rx_drop */ 5268 5269 /************************************************************************ 5270 * ixgbe_sysctl_advertise 5271 * 5272 * SYSCTL wrapper around setting advertised speed 5273 ************************************************************************/ 5274 static int 5275 ixgbe_sysctl_advertise(SYSCTLFN_ARGS) 5276 { 5277 struct sysctlnode node = *rnode; 5278 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5279 int error = 0, advertise; 5280 5281 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5282 return (EPERM); 5283 5284 advertise = adapter->advertise; 5285 node.sysctl_data = &advertise; 5286 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5287 if (error != 0 || newp == NULL) 5288 return error; 5289 5290 return ixgbe_set_advertise(adapter, advertise); 5291 } /* ixgbe_sysctl_advertise */ 5292 5293 /************************************************************************ 5294 * ixgbe_set_advertise - Control advertised link speed 5295 * 5296 * Flags: 5297 * 0x00 - Default (all capable link speed) 5298 * 0x01 - advertise 100 Mb 5299 * 0x02 - advertise 1G 5300 * 0x04 - advertise 10G 5301 * 0x08 - advertise 10 Mb 5302 * 0x10 - advertise 2.5G 5303 * 0x20 - advertise 5G 5304 ************************************************************************/ 5305 static int 5306 ixgbe_set_advertise(struct adapter *adapter, int advertise) 5307 { 5308 device_t dev; 5309 struct ixgbe_hw *hw; 5310 ixgbe_link_speed speed = 0; 5311 ixgbe_link_speed link_caps = 0; 5312 s32 err = IXGBE_NOT_IMPLEMENTED; 5313 bool negotiate = FALSE; 5314 5315 /* Checks to validate new value */ 5316 if (adapter->advertise == advertise) /* no change */ 5317 return (0); 5318 5319 dev = adapter->dev; 5320 hw = &adapter->hw; 5321 5322 /* No speed changes for backplane media */ 5323 if (hw->phy.media_type == ixgbe_media_type_backplane) 5324 return (ENODEV); 5325 5326 if (!((hw->phy.media_type == ixgbe_media_type_copper) || 5327 (hw->phy.multispeed_fiber))) { 5328 device_printf(dev, 5329 "Advertised speed can only be set on copper or " 5330 "multispeed fiber media types.\n"); 5331 return (EINVAL); 5332 } 5333 5334 if (advertise < 0x0 || advertise > 0x2f) { 5335 device_printf(dev, 5336 "Invalid advertised speed; valid modes are 0x0 through 0x7\n"); 5337 return (EINVAL); 5338 } 5339 5340 if (hw->mac.ops.get_link_capabilities) { 5341 err = hw->mac.ops.get_link_capabilities(hw, &link_caps, 5342 &negotiate); 5343 if (err != IXGBE_SUCCESS) { 5344 device_printf(dev, "Unable to determine supported advertise speeds\n"); 5345 return (ENODEV); 5346 } 5347 } 5348 5349 /* Set new value and report new advertised mode */ 5350 if (advertise & 0x1) { 5351 if (!(link_caps & IXGBE_LINK_SPEED_100_FULL)) { 5352 device_printf(dev, "Interface does not support 100Mb advertised speed\n"); 5353 return (EINVAL); 5354 } 5355 speed |= IXGBE_LINK_SPEED_100_FULL; 5356 } 5357 if (advertise & 0x2) { 5358 if (!(link_caps & IXGBE_LINK_SPEED_1GB_FULL)) { 5359 device_printf(dev, "Interface does not support 1Gb advertised speed\n"); 5360 return (EINVAL); 5361 } 5362 speed |= IXGBE_LINK_SPEED_1GB_FULL; 5363 } 5364 if (advertise & 0x4) { 5365 if (!(link_caps & IXGBE_LINK_SPEED_10GB_FULL)) { 5366 device_printf(dev, "Interface does not support 10Gb advertised speed\n"); 5367 return (EINVAL); 5368 } 5369 speed |= IXGBE_LINK_SPEED_10GB_FULL; 5370 } 5371 if (advertise & 0x8) { 5372 if (!(link_caps & IXGBE_LINK_SPEED_10_FULL)) { 5373 device_printf(dev, "Interface does not support 10Mb advertised speed\n"); 5374 return (EINVAL); 5375 } 5376 speed |= IXGBE_LINK_SPEED_10_FULL; 5377 } 5378 if (advertise & 0x10) { 5379 if (!(link_caps & IXGBE_LINK_SPEED_2_5GB_FULL)) { 5380 device_printf(dev, "Interface does not support 2.5Gb advertised speed\n"); 5381 return (EINVAL); 5382 } 5383 speed |= IXGBE_LINK_SPEED_2_5GB_FULL; 5384 } 5385 if (advertise & 0x20) { 5386 if (!(link_caps & IXGBE_LINK_SPEED_5GB_FULL)) { 5387 device_printf(dev, "Interface does not support 5Gb advertised speed\n"); 5388 return (EINVAL); 5389 } 5390 speed |= IXGBE_LINK_SPEED_5GB_FULL; 5391 } 5392 if (advertise == 0) 5393 speed = link_caps; /* All capable link speed */ 5394 5395 hw->mac.autotry_restart = TRUE; 5396 hw->mac.ops.setup_link(hw, speed, TRUE); 5397 adapter->advertise = advertise; 5398 5399 return (0); 5400 } /* ixgbe_set_advertise */ 5401 5402 /************************************************************************ 5403 * ixgbe_get_advertise - Get current advertised speed settings 5404 * 5405 * Formatted for sysctl usage. 5406 * Flags: 5407 * 0x01 - advertise 100 Mb 5408 * 0x02 - advertise 1G 5409 * 0x04 - advertise 10G 5410 * 0x08 - advertise 10 Mb (yes, Mb) 5411 * 0x10 - advertise 2.5G 5412 * 0x20 - advertise 5G 5413 ************************************************************************/ 5414 static int 5415 ixgbe_get_advertise(struct adapter *adapter) 5416 { 5417 struct ixgbe_hw *hw = &adapter->hw; 5418 int speed; 5419 ixgbe_link_speed link_caps = 0; 5420 s32 err; 5421 bool negotiate = FALSE; 5422 5423 /* 5424 * Advertised speed means nothing unless it's copper or 5425 * multi-speed fiber 5426 */ 5427 if (!(hw->phy.media_type == ixgbe_media_type_copper) && 5428 !(hw->phy.multispeed_fiber)) 5429 return (0); 5430 5431 err = hw->mac.ops.get_link_capabilities(hw, &link_caps, &negotiate); 5432 if (err != IXGBE_SUCCESS) 5433 return (0); 5434 5435 speed = 5436 ((link_caps & IXGBE_LINK_SPEED_10GB_FULL) ? 0x04 : 0) | 5437 ((link_caps & IXGBE_LINK_SPEED_1GB_FULL) ? 0x02 : 0) | 5438 ((link_caps & IXGBE_LINK_SPEED_100_FULL) ? 0x01 : 0) | 5439 ((link_caps & IXGBE_LINK_SPEED_10_FULL) ? 0x08 : 0) | 5440 ((link_caps & IXGBE_LINK_SPEED_2_5GB_FULL) ? 0x10 : 0) | 5441 ((link_caps & IXGBE_LINK_SPEED_5GB_FULL) ? 0x20 : 0); 5442 5443 return speed; 5444 } /* ixgbe_get_advertise */ 5445 5446 /************************************************************************ 5447 * ixgbe_sysctl_dmac - Manage DMA Coalescing 5448 * 5449 * Control values: 5450 * 0/1 - off / on (use default value of 1000) 5451 * 5452 * Legal timer values are: 5453 * 50,100,250,500,1000,2000,5000,10000 5454 * 5455 * Turning off interrupt moderation will also turn this off. 5456 ************************************************************************/ 5457 static int 5458 ixgbe_sysctl_dmac(SYSCTLFN_ARGS) 5459 { 5460 struct sysctlnode node = *rnode; 5461 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5462 struct ifnet *ifp = adapter->ifp; 5463 int error; 5464 int newval; 5465 5466 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5467 return (EPERM); 5468 5469 newval = adapter->dmac; 5470 node.sysctl_data = &newval; 5471 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5472 if ((error) || (newp == NULL)) 5473 return (error); 5474 5475 switch (newval) { 5476 case 0: 5477 /* Disabled */ 5478 adapter->dmac = 0; 5479 break; 5480 case 1: 5481 /* Enable and use default */ 5482 adapter->dmac = 1000; 5483 break; 5484 case 50: 5485 case 100: 5486 case 250: 5487 case 500: 5488 case 1000: 5489 case 2000: 5490 case 5000: 5491 case 10000: 5492 /* Legal values - allow */ 5493 adapter->dmac = newval; 5494 break; 5495 default: 5496 /* Do nothing, illegal value */ 5497 return (EINVAL); 5498 } 5499 5500 /* Re-initialize hardware if it's already running */ 5501 if (ifp->if_flags & IFF_RUNNING) 5502 ifp->if_init(ifp); 5503 5504 return (0); 5505 } 5506 5507 #ifdef IXGBE_DEBUG 5508 /************************************************************************ 5509 * ixgbe_sysctl_power_state 5510 * 5511 * Sysctl to test power states 5512 * Values: 5513 * 0 - set device to D0 5514 * 3 - set device to D3 5515 * (none) - get current device power state 5516 ************************************************************************/ 5517 static int 5518 ixgbe_sysctl_power_state(SYSCTLFN_ARGS) 5519 { 5520 #ifdef notyet 5521 struct sysctlnode node = *rnode; 5522 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5523 device_t dev = adapter->dev; 5524 int curr_ps, new_ps, error = 0; 5525 5526 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5527 return (EPERM); 5528 5529 curr_ps = new_ps = pci_get_powerstate(dev); 5530 5531 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5532 if ((error) || (req->newp == NULL)) 5533 return (error); 5534 5535 if (new_ps == curr_ps) 5536 return (0); 5537 5538 if (new_ps == 3 && curr_ps == 0) 5539 error = DEVICE_SUSPEND(dev); 5540 else if (new_ps == 0 && curr_ps == 3) 5541 error = DEVICE_RESUME(dev); 5542 else 5543 return (EINVAL); 5544 5545 device_printf(dev, "New state: %d\n", pci_get_powerstate(dev)); 5546 5547 return (error); 5548 #else 5549 return 0; 5550 #endif 5551 } /* ixgbe_sysctl_power_state */ 5552 #endif 5553 5554 /************************************************************************ 5555 * ixgbe_sysctl_wol_enable 5556 * 5557 * Sysctl to enable/disable the WoL capability, 5558 * if supported by the adapter. 5559 * 5560 * Values: 5561 * 0 - disabled 5562 * 1 - enabled 5563 ************************************************************************/ 5564 static int 5565 ixgbe_sysctl_wol_enable(SYSCTLFN_ARGS) 5566 { 5567 struct sysctlnode node = *rnode; 5568 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5569 struct ixgbe_hw *hw = &adapter->hw; 5570 bool new_wol_enabled; 5571 int error = 0; 5572 5573 /* 5574 * It's not required to check recovery mode because this function never 5575 * touches hardware. 5576 */ 5577 new_wol_enabled = hw->wol_enabled; 5578 node.sysctl_data = &new_wol_enabled; 5579 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5580 if ((error) || (newp == NULL)) 5581 return (error); 5582 if (new_wol_enabled == hw->wol_enabled) 5583 return (0); 5584 5585 if (new_wol_enabled && !adapter->wol_support) 5586 return (ENODEV); 5587 else 5588 hw->wol_enabled = new_wol_enabled; 5589 5590 return (0); 5591 } /* ixgbe_sysctl_wol_enable */ 5592 5593 /************************************************************************ 5594 * ixgbe_sysctl_wufc - Wake Up Filter Control 5595 * 5596 * Sysctl to enable/disable the types of packets that the 5597 * adapter will wake up on upon receipt. 5598 * Flags: 5599 * 0x1 - Link Status Change 5600 * 0x2 - Magic Packet 5601 * 0x4 - Direct Exact 5602 * 0x8 - Directed Multicast 5603 * 0x10 - Broadcast 5604 * 0x20 - ARP/IPv4 Request Packet 5605 * 0x40 - Direct IPv4 Packet 5606 * 0x80 - Direct IPv6 Packet 5607 * 5608 * Settings not listed above will cause the sysctl to return an error. 5609 ************************************************************************/ 5610 static int 5611 ixgbe_sysctl_wufc(SYSCTLFN_ARGS) 5612 { 5613 struct sysctlnode node = *rnode; 5614 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5615 int error = 0; 5616 u32 new_wufc; 5617 5618 /* 5619 * It's not required to check recovery mode because this function never 5620 * touches hardware. 5621 */ 5622 new_wufc = adapter->wufc; 5623 node.sysctl_data = &new_wufc; 5624 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5625 if ((error) || (newp == NULL)) 5626 return (error); 5627 if (new_wufc == adapter->wufc) 5628 return (0); 5629 5630 if (new_wufc & 0xffffff00) 5631 return (EINVAL); 5632 5633 new_wufc &= 0xff; 5634 new_wufc |= (0xffffff & adapter->wufc); 5635 adapter->wufc = new_wufc; 5636 5637 return (0); 5638 } /* ixgbe_sysctl_wufc */ 5639 5640 #ifdef IXGBE_DEBUG 5641 /************************************************************************ 5642 * ixgbe_sysctl_print_rss_config 5643 ************************************************************************/ 5644 static int 5645 ixgbe_sysctl_print_rss_config(SYSCTLFN_ARGS) 5646 { 5647 #ifdef notyet 5648 struct sysctlnode node = *rnode; 5649 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5650 struct ixgbe_hw *hw = &adapter->hw; 5651 device_t dev = adapter->dev; 5652 struct sbuf *buf; 5653 int error = 0, reta_size; 5654 u32 reg; 5655 5656 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5657 return (EPERM); 5658 5659 buf = sbuf_new_for_sysctl(NULL, NULL, 128, req); 5660 if (!buf) { 5661 device_printf(dev, "Could not allocate sbuf for output.\n"); 5662 return (ENOMEM); 5663 } 5664 5665 // TODO: use sbufs to make a string to print out 5666 /* Set multiplier for RETA setup and table size based on MAC */ 5667 switch (adapter->hw.mac.type) { 5668 case ixgbe_mac_X550: 5669 case ixgbe_mac_X550EM_x: 5670 case ixgbe_mac_X550EM_a: 5671 reta_size = 128; 5672 break; 5673 default: 5674 reta_size = 32; 5675 break; 5676 } 5677 5678 /* Print out the redirection table */ 5679 sbuf_cat(buf, "\n"); 5680 for (int i = 0; i < reta_size; i++) { 5681 if (i < 32) { 5682 reg = IXGBE_READ_REG(hw, IXGBE_RETA(i)); 5683 sbuf_printf(buf, "RETA(%2d): 0x%08x\n", i, reg); 5684 } else { 5685 reg = IXGBE_READ_REG(hw, IXGBE_ERETA(i - 32)); 5686 sbuf_printf(buf, "ERETA(%2d): 0x%08x\n", i - 32, reg); 5687 } 5688 } 5689 5690 // TODO: print more config 5691 5692 error = sbuf_finish(buf); 5693 if (error) 5694 device_printf(dev, "Error finishing sbuf: %d\n", error); 5695 5696 sbuf_delete(buf); 5697 #endif 5698 return (0); 5699 } /* ixgbe_sysctl_print_rss_config */ 5700 #endif /* IXGBE_DEBUG */ 5701 5702 /************************************************************************ 5703 * ixgbe_sysctl_phy_temp - Retrieve temperature of PHY 5704 * 5705 * For X552/X557-AT devices using an external PHY 5706 ************************************************************************/ 5707 static int 5708 ixgbe_sysctl_phy_temp(SYSCTLFN_ARGS) 5709 { 5710 struct sysctlnode node = *rnode; 5711 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5712 struct ixgbe_hw *hw = &adapter->hw; 5713 int val; 5714 u16 reg; 5715 int error; 5716 5717 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5718 return (EPERM); 5719 5720 if (hw->device_id != IXGBE_DEV_ID_X550EM_X_10G_T) { 5721 device_printf(adapter->dev, 5722 "Device has no supported external thermal sensor.\n"); 5723 return (ENODEV); 5724 } 5725 5726 if (hw->phy.ops.read_reg(hw, IXGBE_PHY_CURRENT_TEMP, 5727 IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, ®)) { 5728 device_printf(adapter->dev, 5729 "Error reading from PHY's current temperature register\n"); 5730 return (EAGAIN); 5731 } 5732 5733 node.sysctl_data = &val; 5734 5735 /* Shift temp for output */ 5736 val = reg >> 8; 5737 5738 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5739 if ((error) || (newp == NULL)) 5740 return (error); 5741 5742 return (0); 5743 } /* ixgbe_sysctl_phy_temp */ 5744 5745 /************************************************************************ 5746 * ixgbe_sysctl_phy_overtemp_occurred 5747 * 5748 * Reports (directly from the PHY) whether the current PHY 5749 * temperature is over the overtemp threshold. 5750 ************************************************************************/ 5751 static int 5752 ixgbe_sysctl_phy_overtemp_occurred(SYSCTLFN_ARGS) 5753 { 5754 struct sysctlnode node = *rnode; 5755 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5756 struct ixgbe_hw *hw = &adapter->hw; 5757 int val, error; 5758 u16 reg; 5759 5760 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5761 return (EPERM); 5762 5763 if (hw->device_id != IXGBE_DEV_ID_X550EM_X_10G_T) { 5764 device_printf(adapter->dev, 5765 "Device has no supported external thermal sensor.\n"); 5766 return (ENODEV); 5767 } 5768 5769 if (hw->phy.ops.read_reg(hw, IXGBE_PHY_OVERTEMP_STATUS, 5770 IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, ®)) { 5771 device_printf(adapter->dev, 5772 "Error reading from PHY's temperature status register\n"); 5773 return (EAGAIN); 5774 } 5775 5776 node.sysctl_data = &val; 5777 5778 /* Get occurrence bit */ 5779 val = !!(reg & 0x4000); 5780 5781 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5782 if ((error) || (newp == NULL)) 5783 return (error); 5784 5785 return (0); 5786 } /* ixgbe_sysctl_phy_overtemp_occurred */ 5787 5788 /************************************************************************ 5789 * ixgbe_sysctl_eee_state 5790 * 5791 * Sysctl to set EEE power saving feature 5792 * Values: 5793 * 0 - disable EEE 5794 * 1 - enable EEE 5795 * (none) - get current device EEE state 5796 ************************************************************************/ 5797 static int 5798 ixgbe_sysctl_eee_state(SYSCTLFN_ARGS) 5799 { 5800 struct sysctlnode node = *rnode; 5801 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5802 struct ifnet *ifp = adapter->ifp; 5803 device_t dev = adapter->dev; 5804 int curr_eee, new_eee, error = 0; 5805 s32 retval; 5806 5807 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5808 return (EPERM); 5809 5810 curr_eee = new_eee = !!(adapter->feat_en & IXGBE_FEATURE_EEE); 5811 node.sysctl_data = &new_eee; 5812 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5813 if ((error) || (newp == NULL)) 5814 return (error); 5815 5816 /* Nothing to do */ 5817 if (new_eee == curr_eee) 5818 return (0); 5819 5820 /* Not supported */ 5821 if (!(adapter->feat_cap & IXGBE_FEATURE_EEE)) 5822 return (EINVAL); 5823 5824 /* Bounds checking */ 5825 if ((new_eee < 0) || (new_eee > 1)) 5826 return (EINVAL); 5827 5828 retval = adapter->hw.mac.ops.setup_eee(&adapter->hw, new_eee); 5829 if (retval) { 5830 device_printf(dev, "Error in EEE setup: 0x%08X\n", retval); 5831 return (EINVAL); 5832 } 5833 5834 /* Restart auto-neg */ 5835 ifp->if_init(ifp); 5836 5837 device_printf(dev, "New EEE state: %d\n", new_eee); 5838 5839 /* Cache new value */ 5840 if (new_eee) 5841 adapter->feat_en |= IXGBE_FEATURE_EEE; 5842 else 5843 adapter->feat_en &= ~IXGBE_FEATURE_EEE; 5844 5845 return (error); 5846 } /* ixgbe_sysctl_eee_state */ 5847 5848 #define PRINTQS(adapter, regname) \ 5849 do { \ 5850 struct ixgbe_hw *_hw = &(adapter)->hw; \ 5851 int _i; \ 5852 \ 5853 printf("%s: %s", device_xname((adapter)->dev), #regname); \ 5854 for (_i = 0; _i < (adapter)->num_queues; _i++) { \ 5855 printf((_i == 0) ? "\t" : " "); \ 5856 printf("%08x", IXGBE_READ_REG(_hw, \ 5857 IXGBE_##regname(_i))); \ 5858 } \ 5859 printf("\n"); \ 5860 } while (0) 5861 5862 /************************************************************************ 5863 * ixgbe_print_debug_info 5864 * 5865 * Called only when em_display_debug_stats is enabled. 5866 * Provides a way to take a look at important statistics 5867 * maintained by the driver and hardware. 5868 ************************************************************************/ 5869 static void 5870 ixgbe_print_debug_info(struct adapter *adapter) 5871 { 5872 device_t dev = adapter->dev; 5873 struct ixgbe_hw *hw = &adapter->hw; 5874 int table_size; 5875 int i; 5876 5877 switch (adapter->hw.mac.type) { 5878 case ixgbe_mac_X550: 5879 case ixgbe_mac_X550EM_x: 5880 case ixgbe_mac_X550EM_a: 5881 table_size = 128; 5882 break; 5883 default: 5884 table_size = 32; 5885 break; 5886 } 5887 5888 device_printf(dev, "[E]RETA:\n"); 5889 for (i = 0; i < table_size; i++) { 5890 if (i < 32) 5891 printf("%02x: %08x\n", i, IXGBE_READ_REG(hw, 5892 IXGBE_RETA(i))); 5893 else 5894 printf("%02x: %08x\n", i, IXGBE_READ_REG(hw, 5895 IXGBE_ERETA(i - 32))); 5896 } 5897 5898 device_printf(dev, "queue:"); 5899 for (i = 0; i < adapter->num_queues; i++) { 5900 printf((i == 0) ? "\t" : " "); 5901 printf("%8d", i); 5902 } 5903 printf("\n"); 5904 PRINTQS(adapter, RDBAL); 5905 PRINTQS(adapter, RDBAH); 5906 PRINTQS(adapter, RDLEN); 5907 PRINTQS(adapter, SRRCTL); 5908 PRINTQS(adapter, RDH); 5909 PRINTQS(adapter, RDT); 5910 PRINTQS(adapter, RXDCTL); 5911 5912 device_printf(dev, "RQSMR:"); 5913 for (i = 0; i < adapter->num_queues / 4; i++) { 5914 printf((i == 0) ? "\t" : " "); 5915 printf("%08x", IXGBE_READ_REG(hw, IXGBE_RQSMR(i))); 5916 } 5917 printf("\n"); 5918 5919 device_printf(dev, "disabled_count:"); 5920 for (i = 0; i < adapter->num_queues; i++) { 5921 printf((i == 0) ? "\t" : " "); 5922 printf("%8d", adapter->queues[i].disabled_count); 5923 } 5924 printf("\n"); 5925 5926 device_printf(dev, "EIMS:\t%08x\n", IXGBE_READ_REG(hw, IXGBE_EIMS)); 5927 if (hw->mac.type != ixgbe_mac_82598EB) { 5928 device_printf(dev, "EIMS_EX(0):\t%08x\n", 5929 IXGBE_READ_REG(hw, IXGBE_EIMS_EX(0))); 5930 device_printf(dev, "EIMS_EX(1):\t%08x\n", 5931 IXGBE_READ_REG(hw, IXGBE_EIMS_EX(1))); 5932 } 5933 } /* ixgbe_print_debug_info */ 5934 5935 /************************************************************************ 5936 * ixgbe_sysctl_debug 5937 ************************************************************************/ 5938 static int 5939 ixgbe_sysctl_debug(SYSCTLFN_ARGS) 5940 { 5941 struct sysctlnode node = *rnode; 5942 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5943 int error, result = 0; 5944 5945 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5946 return (EPERM); 5947 5948 node.sysctl_data = &result; 5949 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5950 5951 if (error || newp == NULL) 5952 return error; 5953 5954 if (result == 1) 5955 ixgbe_print_debug_info(adapter); 5956 5957 return 0; 5958 } /* ixgbe_sysctl_debug */ 5959 5960 /************************************************************************ 5961 * ixgbe_init_device_features 5962 ************************************************************************/ 5963 static void 5964 ixgbe_init_device_features(struct adapter *adapter) 5965 { 5966 adapter->feat_cap = IXGBE_FEATURE_NETMAP 5967 | IXGBE_FEATURE_RSS 5968 | IXGBE_FEATURE_MSI 5969 | IXGBE_FEATURE_MSIX 5970 | IXGBE_FEATURE_LEGACY_IRQ 5971 | IXGBE_FEATURE_LEGACY_TX; 5972 5973 /* Set capabilities first... */ 5974 switch (adapter->hw.mac.type) { 5975 case ixgbe_mac_82598EB: 5976 if (adapter->hw.device_id == IXGBE_DEV_ID_82598AT) 5977 adapter->feat_cap |= IXGBE_FEATURE_FAN_FAIL; 5978 break; 5979 case ixgbe_mac_X540: 5980 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 5981 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 5982 if ((adapter->hw.device_id == IXGBE_DEV_ID_X540_BYPASS) && 5983 (adapter->hw.bus.func == 0)) 5984 adapter->feat_cap |= IXGBE_FEATURE_BYPASS; 5985 break; 5986 case ixgbe_mac_X550: 5987 /* 5988 * IXGBE_FEATURE_RECOVERY_MODE will be set after reading 5989 * NVM Image version. 5990 */ 5991 adapter->feat_cap |= IXGBE_FEATURE_TEMP_SENSOR; 5992 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 5993 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 5994 break; 5995 case ixgbe_mac_X550EM_x: 5996 /* 5997 * IXGBE_FEATURE_RECOVERY_MODE will be set after reading 5998 * NVM Image version. 5999 */ 6000 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 6001 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 6002 if (adapter->hw.device_id == IXGBE_DEV_ID_X550EM_X_KR) 6003 adapter->feat_cap |= IXGBE_FEATURE_EEE; 6004 break; 6005 case ixgbe_mac_X550EM_a: 6006 /* 6007 * IXGBE_FEATURE_RECOVERY_MODE will be set after reading 6008 * NVM Image version. 6009 */ 6010 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 6011 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 6012 adapter->feat_cap &= ~IXGBE_FEATURE_LEGACY_IRQ; 6013 if ((adapter->hw.device_id == IXGBE_DEV_ID_X550EM_A_1G_T) || 6014 (adapter->hw.device_id == IXGBE_DEV_ID_X550EM_A_1G_T_L)) { 6015 adapter->feat_cap |= IXGBE_FEATURE_TEMP_SENSOR; 6016 adapter->feat_cap |= IXGBE_FEATURE_EEE; 6017 } 6018 break; 6019 case ixgbe_mac_82599EB: 6020 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 6021 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 6022 if ((adapter->hw.device_id == IXGBE_DEV_ID_82599_BYPASS) && 6023 (adapter->hw.bus.func == 0)) 6024 adapter->feat_cap |= IXGBE_FEATURE_BYPASS; 6025 if (adapter->hw.device_id == IXGBE_DEV_ID_82599_QSFP_SF_QP) 6026 adapter->feat_cap &= ~IXGBE_FEATURE_LEGACY_IRQ; 6027 break; 6028 default: 6029 break; 6030 } 6031 6032 /* Enabled by default... */ 6033 /* Fan failure detection */ 6034 if (adapter->feat_cap & IXGBE_FEATURE_FAN_FAIL) 6035 adapter->feat_en |= IXGBE_FEATURE_FAN_FAIL; 6036 /* Netmap */ 6037 if (adapter->feat_cap & IXGBE_FEATURE_NETMAP) 6038 adapter->feat_en |= IXGBE_FEATURE_NETMAP; 6039 /* EEE */ 6040 if (adapter->feat_cap & IXGBE_FEATURE_EEE) 6041 adapter->feat_en |= IXGBE_FEATURE_EEE; 6042 /* Thermal Sensor */ 6043 if (adapter->feat_cap & IXGBE_FEATURE_TEMP_SENSOR) 6044 adapter->feat_en |= IXGBE_FEATURE_TEMP_SENSOR; 6045 /* 6046 * Recovery mode: 6047 * NetBSD: IXGBE_FEATURE_RECOVERY_MODE will be controlled after reading 6048 * NVM Image version. 6049 */ 6050 6051 /* Enabled via global sysctl... */ 6052 /* Flow Director */ 6053 if (ixgbe_enable_fdir) { 6054 if (adapter->feat_cap & IXGBE_FEATURE_FDIR) 6055 adapter->feat_en |= IXGBE_FEATURE_FDIR; 6056 else 6057 device_printf(adapter->dev, "Device does not support Flow Director. Leaving disabled."); 6058 } 6059 /* Legacy (single queue) transmit */ 6060 if ((adapter->feat_cap & IXGBE_FEATURE_LEGACY_TX) && 6061 ixgbe_enable_legacy_tx) 6062 adapter->feat_en |= IXGBE_FEATURE_LEGACY_TX; 6063 /* 6064 * Message Signal Interrupts - Extended (MSI-X) 6065 * Normal MSI is only enabled if MSI-X calls fail. 6066 */ 6067 if (!ixgbe_enable_msix) 6068 adapter->feat_cap &= ~IXGBE_FEATURE_MSIX; 6069 /* Receive-Side Scaling (RSS) */ 6070 if ((adapter->feat_cap & IXGBE_FEATURE_RSS) && ixgbe_enable_rss) 6071 adapter->feat_en |= IXGBE_FEATURE_RSS; 6072 6073 /* Disable features with unmet dependencies... */ 6074 /* No MSI-X */ 6075 if (!(adapter->feat_cap & IXGBE_FEATURE_MSIX)) { 6076 adapter->feat_cap &= ~IXGBE_FEATURE_RSS; 6077 adapter->feat_cap &= ~IXGBE_FEATURE_SRIOV; 6078 adapter->feat_en &= ~IXGBE_FEATURE_RSS; 6079 adapter->feat_en &= ~IXGBE_FEATURE_SRIOV; 6080 } 6081 } /* ixgbe_init_device_features */ 6082 6083 /************************************************************************ 6084 * ixgbe_probe - Device identification routine 6085 * 6086 * Determines if the driver should be loaded on 6087 * adapter based on its PCI vendor/device ID. 6088 * 6089 * return BUS_PROBE_DEFAULT on success, positive on failure 6090 ************************************************************************/ 6091 static int 6092 ixgbe_probe(device_t dev, cfdata_t cf, void *aux) 6093 { 6094 const struct pci_attach_args *pa = aux; 6095 6096 return (ixgbe_lookup(pa) != NULL) ? 1 : 0; 6097 } 6098 6099 static const ixgbe_vendor_info_t * 6100 ixgbe_lookup(const struct pci_attach_args *pa) 6101 { 6102 const ixgbe_vendor_info_t *ent; 6103 pcireg_t subid; 6104 6105 INIT_DEBUGOUT("ixgbe_lookup: begin"); 6106 6107 if (PCI_VENDOR(pa->pa_id) != IXGBE_INTEL_VENDOR_ID) 6108 return NULL; 6109 6110 subid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG); 6111 6112 for (ent = ixgbe_vendor_info_array; ent->vendor_id != 0; ent++) { 6113 if ((PCI_VENDOR(pa->pa_id) == ent->vendor_id) && 6114 (PCI_PRODUCT(pa->pa_id) == ent->device_id) && 6115 ((PCI_SUBSYS_VENDOR(subid) == ent->subvendor_id) || 6116 (ent->subvendor_id == 0)) && 6117 ((PCI_SUBSYS_ID(subid) == ent->subdevice_id) || 6118 (ent->subdevice_id == 0))) { 6119 return ent; 6120 } 6121 } 6122 return NULL; 6123 } 6124 6125 static int 6126 ixgbe_ifflags_cb(struct ethercom *ec) 6127 { 6128 struct ifnet *ifp = &ec->ec_if; 6129 struct adapter *adapter = ifp->if_softc; 6130 int change, rc = 0; 6131 6132 IXGBE_CORE_LOCK(adapter); 6133 6134 change = ifp->if_flags ^ adapter->if_flags; 6135 if (change != 0) 6136 adapter->if_flags = ifp->if_flags; 6137 6138 if ((change & ~(IFF_CANTCHANGE | IFF_DEBUG)) != 0) 6139 rc = ENETRESET; 6140 else if ((change & (IFF_PROMISC | IFF_ALLMULTI)) != 0) 6141 ixgbe_set_promisc(adapter); 6142 6143 /* Set up VLAN support and filter */ 6144 ixgbe_setup_vlan_hw_support(adapter); 6145 6146 IXGBE_CORE_UNLOCK(adapter); 6147 6148 return rc; 6149 } 6150 6151 /************************************************************************ 6152 * ixgbe_ioctl - Ioctl entry point 6153 * 6154 * Called when the user wants to configure the interface. 6155 * 6156 * return 0 on success, positive on failure 6157 ************************************************************************/ 6158 static int 6159 ixgbe_ioctl(struct ifnet * ifp, u_long command, void *data) 6160 { 6161 struct adapter *adapter = ifp->if_softc; 6162 struct ixgbe_hw *hw = &adapter->hw; 6163 struct ifcapreq *ifcr = data; 6164 struct ifreq *ifr = data; 6165 int error = 0; 6166 int l4csum_en; 6167 const int l4csum = IFCAP_CSUM_TCPv4_Rx|IFCAP_CSUM_UDPv4_Rx| 6168 IFCAP_CSUM_TCPv6_Rx|IFCAP_CSUM_UDPv6_Rx; 6169 6170 if (ixgbe_fw_recovery_mode_swflag(adapter)) 6171 return (EPERM); 6172 6173 switch (command) { 6174 case SIOCSIFFLAGS: 6175 IOCTL_DEBUGOUT("ioctl: SIOCSIFFLAGS (Set Interface Flags)"); 6176 break; 6177 case SIOCADDMULTI: 6178 case SIOCDELMULTI: 6179 IOCTL_DEBUGOUT("ioctl: SIOC(ADD|DEL)MULTI"); 6180 break; 6181 case SIOCSIFMEDIA: 6182 case SIOCGIFMEDIA: 6183 IOCTL_DEBUGOUT("ioctl: SIOCxIFMEDIA (Get/Set Interface Media)"); 6184 break; 6185 case SIOCSIFCAP: 6186 IOCTL_DEBUGOUT("ioctl: SIOCSIFCAP (Set Capabilities)"); 6187 break; 6188 case SIOCSIFMTU: 6189 IOCTL_DEBUGOUT("ioctl: SIOCSIFMTU (Set Interface MTU)"); 6190 break; 6191 #ifdef __NetBSD__ 6192 case SIOCINITIFADDR: 6193 IOCTL_DEBUGOUT("ioctl: SIOCINITIFADDR"); 6194 break; 6195 case SIOCGIFFLAGS: 6196 IOCTL_DEBUGOUT("ioctl: SIOCGIFFLAGS"); 6197 break; 6198 case SIOCGIFAFLAG_IN: 6199 IOCTL_DEBUGOUT("ioctl: SIOCGIFAFLAG_IN"); 6200 break; 6201 case SIOCGIFADDR: 6202 IOCTL_DEBUGOUT("ioctl: SIOCGIFADDR"); 6203 break; 6204 case SIOCGIFMTU: 6205 IOCTL_DEBUGOUT("ioctl: SIOCGIFMTU (Get Interface MTU)"); 6206 break; 6207 case SIOCGIFCAP: 6208 IOCTL_DEBUGOUT("ioctl: SIOCGIFCAP (Get IF cap)"); 6209 break; 6210 case SIOCGETHERCAP: 6211 IOCTL_DEBUGOUT("ioctl: SIOCGETHERCAP (Get ethercap)"); 6212 break; 6213 case SIOCGLIFADDR: 6214 IOCTL_DEBUGOUT("ioctl: SIOCGLIFADDR (Get Interface addr)"); 6215 break; 6216 case SIOCZIFDATA: 6217 IOCTL_DEBUGOUT("ioctl: SIOCZIFDATA (Zero counter)"); 6218 hw->mac.ops.clear_hw_cntrs(hw); 6219 ixgbe_clear_evcnt(adapter); 6220 break; 6221 case SIOCAIFADDR: 6222 IOCTL_DEBUGOUT("ioctl: SIOCAIFADDR (add/chg IF alias)"); 6223 break; 6224 #endif 6225 default: 6226 IOCTL_DEBUGOUT1("ioctl: UNKNOWN (0x%X)", (int)command); 6227 break; 6228 } 6229 6230 switch (command) { 6231 case SIOCSIFMEDIA: 6232 case SIOCGIFMEDIA: 6233 return ifmedia_ioctl(ifp, ifr, &adapter->media, command); 6234 case SIOCGI2C: 6235 { 6236 struct ixgbe_i2c_req i2c; 6237 6238 IOCTL_DEBUGOUT("ioctl: SIOCGI2C (Get I2C Data)"); 6239 error = copyin(ifr->ifr_data, &i2c, sizeof(i2c)); 6240 if (error != 0) 6241 break; 6242 if (i2c.dev_addr != 0xA0 && i2c.dev_addr != 0xA2) { 6243 error = EINVAL; 6244 break; 6245 } 6246 if (i2c.len > sizeof(i2c.data)) { 6247 error = EINVAL; 6248 break; 6249 } 6250 6251 hw->phy.ops.read_i2c_byte(hw, i2c.offset, 6252 i2c.dev_addr, i2c.data); 6253 error = copyout(&i2c, ifr->ifr_data, sizeof(i2c)); 6254 break; 6255 } 6256 case SIOCSIFCAP: 6257 /* Layer-4 Rx checksum offload has to be turned on and 6258 * off as a unit. 6259 */ 6260 l4csum_en = ifcr->ifcr_capenable & l4csum; 6261 if (l4csum_en != l4csum && l4csum_en != 0) 6262 return EINVAL; 6263 /*FALLTHROUGH*/ 6264 case SIOCADDMULTI: 6265 case SIOCDELMULTI: 6266 case SIOCSIFFLAGS: 6267 case SIOCSIFMTU: 6268 default: 6269 if ((error = ether_ioctl(ifp, command, data)) != ENETRESET) 6270 return error; 6271 if ((ifp->if_flags & IFF_RUNNING) == 0) 6272 ; 6273 else if (command == SIOCSIFCAP || command == SIOCSIFMTU) { 6274 IXGBE_CORE_LOCK(adapter); 6275 if ((ifp->if_flags & IFF_RUNNING) != 0) 6276 ixgbe_init_locked(adapter); 6277 ixgbe_recalculate_max_frame(adapter); 6278 IXGBE_CORE_UNLOCK(adapter); 6279 } else if (command == SIOCADDMULTI || command == SIOCDELMULTI) { 6280 /* 6281 * Multicast list has changed; set the hardware filter 6282 * accordingly. 6283 */ 6284 IXGBE_CORE_LOCK(adapter); 6285 ixgbe_disable_intr(adapter); 6286 ixgbe_set_multi(adapter); 6287 ixgbe_enable_intr(adapter); 6288 IXGBE_CORE_UNLOCK(adapter); 6289 } 6290 return 0; 6291 } 6292 6293 return error; 6294 } /* ixgbe_ioctl */ 6295 6296 /************************************************************************ 6297 * ixgbe_check_fan_failure 6298 ************************************************************************/ 6299 static void 6300 ixgbe_check_fan_failure(struct adapter *adapter, u32 reg, bool in_interrupt) 6301 { 6302 u32 mask; 6303 6304 mask = (in_interrupt) ? IXGBE_EICR_GPI_SDP1_BY_MAC(&adapter->hw) : 6305 IXGBE_ESDP_SDP1; 6306 6307 if (reg & mask) 6308 device_printf(adapter->dev, "\nCRITICAL: FAN FAILURE!! REPLACE IMMEDIATELY!!\n"); 6309 } /* ixgbe_check_fan_failure */ 6310 6311 /************************************************************************ 6312 * ixgbe_handle_que 6313 ************************************************************************/ 6314 static void 6315 ixgbe_handle_que(void *context) 6316 { 6317 struct ix_queue *que = context; 6318 struct adapter *adapter = que->adapter; 6319 struct tx_ring *txr = que->txr; 6320 struct ifnet *ifp = adapter->ifp; 6321 bool more = false; 6322 6323 que->handleq.ev_count++; 6324 6325 if (ifp->if_flags & IFF_RUNNING) { 6326 more = ixgbe_rxeof(que); 6327 IXGBE_TX_LOCK(txr); 6328 more |= ixgbe_txeof(txr); 6329 if (!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX)) 6330 if (!ixgbe_mq_ring_empty(ifp, txr->txr_interq)) 6331 ixgbe_mq_start_locked(ifp, txr); 6332 /* Only for queue 0 */ 6333 /* NetBSD still needs this for CBQ */ 6334 if ((&adapter->queues[0] == que) 6335 && (!ixgbe_legacy_ring_empty(ifp, NULL))) 6336 ixgbe_legacy_start_locked(ifp, txr); 6337 IXGBE_TX_UNLOCK(txr); 6338 } 6339 6340 if (more) { 6341 que->req.ev_count++; 6342 ixgbe_sched_handle_que(adapter, que); 6343 } else if (que->res != NULL) { 6344 /* Re-enable this interrupt */ 6345 ixgbe_enable_queue(adapter, que->msix); 6346 } else 6347 ixgbe_enable_intr(adapter); 6348 6349 return; 6350 } /* ixgbe_handle_que */ 6351 6352 /************************************************************************ 6353 * ixgbe_handle_que_work 6354 ************************************************************************/ 6355 static void 6356 ixgbe_handle_que_work(struct work *wk, void *context) 6357 { 6358 struct ix_queue *que = container_of(wk, struct ix_queue, wq_cookie); 6359 6360 /* 6361 * "enqueued flag" is not required here. 6362 * See ixgbe_msix_que(). 6363 */ 6364 ixgbe_handle_que(que); 6365 } 6366 6367 /************************************************************************ 6368 * ixgbe_allocate_legacy - Setup the Legacy or MSI Interrupt handler 6369 ************************************************************************/ 6370 static int 6371 ixgbe_allocate_legacy(struct adapter *adapter, 6372 const struct pci_attach_args *pa) 6373 { 6374 device_t dev = adapter->dev; 6375 struct ix_queue *que = adapter->queues; 6376 struct tx_ring *txr = adapter->tx_rings; 6377 int counts[PCI_INTR_TYPE_SIZE]; 6378 pci_intr_type_t intr_type, max_type; 6379 char intrbuf[PCI_INTRSTR_LEN]; 6380 const char *intrstr = NULL; 6381 6382 /* We allocate a single interrupt resource */ 6383 max_type = PCI_INTR_TYPE_MSI; 6384 counts[PCI_INTR_TYPE_MSIX] = 0; 6385 counts[PCI_INTR_TYPE_MSI] = 6386 (adapter->feat_en & IXGBE_FEATURE_MSI) ? 1 : 0; 6387 /* Check not feat_en but feat_cap to fallback to INTx */ 6388 counts[PCI_INTR_TYPE_INTX] = 6389 (adapter->feat_cap & IXGBE_FEATURE_LEGACY_IRQ) ? 1 : 0; 6390 6391 alloc_retry: 6392 if (pci_intr_alloc(pa, &adapter->osdep.intrs, counts, max_type) != 0) { 6393 aprint_error_dev(dev, "couldn't alloc interrupt\n"); 6394 return ENXIO; 6395 } 6396 adapter->osdep.nintrs = 1; 6397 intrstr = pci_intr_string(adapter->osdep.pc, adapter->osdep.intrs[0], 6398 intrbuf, sizeof(intrbuf)); 6399 adapter->osdep.ihs[0] = pci_intr_establish_xname(adapter->osdep.pc, 6400 adapter->osdep.intrs[0], IPL_NET, ixgbe_legacy_irq, que, 6401 device_xname(dev)); 6402 intr_type = pci_intr_type(adapter->osdep.pc, adapter->osdep.intrs[0]); 6403 if (adapter->osdep.ihs[0] == NULL) { 6404 aprint_error_dev(dev,"unable to establish %s\n", 6405 (intr_type == PCI_INTR_TYPE_MSI) ? "MSI" : "INTx"); 6406 pci_intr_release(adapter->osdep.pc, adapter->osdep.intrs, 1); 6407 adapter->osdep.intrs = NULL; 6408 switch (intr_type) { 6409 case PCI_INTR_TYPE_MSI: 6410 /* The next try is for INTx: Disable MSI */ 6411 max_type = PCI_INTR_TYPE_INTX; 6412 counts[PCI_INTR_TYPE_INTX] = 1; 6413 adapter->feat_en &= ~IXGBE_FEATURE_MSI; 6414 if (adapter->feat_cap & IXGBE_FEATURE_LEGACY_IRQ) { 6415 adapter->feat_en |= IXGBE_FEATURE_LEGACY_IRQ; 6416 goto alloc_retry; 6417 } else 6418 break; 6419 case PCI_INTR_TYPE_INTX: 6420 default: 6421 /* See below */ 6422 break; 6423 } 6424 } 6425 if (intr_type == PCI_INTR_TYPE_INTX) { 6426 adapter->feat_en &= ~IXGBE_FEATURE_MSI; 6427 adapter->feat_en |= IXGBE_FEATURE_LEGACY_IRQ; 6428 } 6429 if (adapter->osdep.ihs[0] == NULL) { 6430 aprint_error_dev(dev, 6431 "couldn't establish interrupt%s%s\n", 6432 intrstr ? " at " : "", intrstr ? intrstr : ""); 6433 pci_intr_release(adapter->osdep.pc, adapter->osdep.intrs, 1); 6434 adapter->osdep.intrs = NULL; 6435 return ENXIO; 6436 } 6437 aprint_normal_dev(dev, "interrupting at %s\n", intrstr); 6438 /* 6439 * Try allocating a fast interrupt and the associated deferred 6440 * processing contexts. 6441 */ 6442 if (!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX)) 6443 txr->txr_si = 6444 softint_establish(SOFTINT_NET | IXGBE_SOFTINFT_FLAGS, 6445 ixgbe_deferred_mq_start, txr); 6446 que->que_si = softint_establish(SOFTINT_NET | IXGBE_SOFTINFT_FLAGS, 6447 ixgbe_handle_que, que); 6448 6449 if ((!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX) 6450 & (txr->txr_si == NULL)) || (que->que_si == NULL)) { 6451 aprint_error_dev(dev, 6452 "could not establish software interrupts\n"); 6453 6454 return ENXIO; 6455 } 6456 /* For simplicity in the handlers */ 6457 adapter->active_queues = IXGBE_EIMS_ENABLE_MASK; 6458 6459 return (0); 6460 } /* ixgbe_allocate_legacy */ 6461 6462 /************************************************************************ 6463 * ixgbe_allocate_msix - Setup MSI-X Interrupt resources and handlers 6464 ************************************************************************/ 6465 static int 6466 ixgbe_allocate_msix(struct adapter *adapter, const struct pci_attach_args *pa) 6467 { 6468 device_t dev = adapter->dev; 6469 struct ix_queue *que = adapter->queues; 6470 struct tx_ring *txr = adapter->tx_rings; 6471 pci_chipset_tag_t pc; 6472 char intrbuf[PCI_INTRSTR_LEN]; 6473 char intr_xname[32]; 6474 char wqname[MAXCOMLEN]; 6475 const char *intrstr = NULL; 6476 int error, vector = 0; 6477 int cpu_id = 0; 6478 kcpuset_t *affinity; 6479 #ifdef RSS 6480 unsigned int rss_buckets = 0; 6481 kcpuset_t cpu_mask; 6482 #endif 6483 6484 pc = adapter->osdep.pc; 6485 #ifdef RSS 6486 /* 6487 * If we're doing RSS, the number of queues needs to 6488 * match the number of RSS buckets that are configured. 6489 * 6490 * + If there's more queues than RSS buckets, we'll end 6491 * up with queues that get no traffic. 6492 * 6493 * + If there's more RSS buckets than queues, we'll end 6494 * up having multiple RSS buckets map to the same queue, 6495 * so there'll be some contention. 6496 */ 6497 rss_buckets = rss_getnumbuckets(); 6498 if ((adapter->feat_en & IXGBE_FEATURE_RSS) && 6499 (adapter->num_queues != rss_buckets)) { 6500 device_printf(dev, 6501 "%s: number of queues (%d) != number of RSS buckets (%d)" 6502 "; performance will be impacted.\n", 6503 __func__, adapter->num_queues, rss_buckets); 6504 } 6505 #endif 6506 6507 adapter->osdep.nintrs = adapter->num_queues + 1; 6508 if (pci_msix_alloc_exact(pa, &adapter->osdep.intrs, 6509 adapter->osdep.nintrs) != 0) { 6510 aprint_error_dev(dev, 6511 "failed to allocate MSI-X interrupt\n"); 6512 return (ENXIO); 6513 } 6514 6515 kcpuset_create(&affinity, false); 6516 for (int i = 0; i < adapter->num_queues; i++, vector++, que++, txr++) { 6517 snprintf(intr_xname, sizeof(intr_xname), "%s TXRX%d", 6518 device_xname(dev), i); 6519 intrstr = pci_intr_string(pc, adapter->osdep.intrs[i], intrbuf, 6520 sizeof(intrbuf)); 6521 #ifdef IXGBE_MPSAFE 6522 pci_intr_setattr(pc, &adapter->osdep.intrs[i], PCI_INTR_MPSAFE, 6523 true); 6524 #endif 6525 /* Set the handler function */ 6526 que->res = adapter->osdep.ihs[i] = pci_intr_establish_xname(pc, 6527 adapter->osdep.intrs[i], IPL_NET, ixgbe_msix_que, que, 6528 intr_xname); 6529 if (que->res == NULL) { 6530 aprint_error_dev(dev, 6531 "Failed to register QUE handler\n"); 6532 error = ENXIO; 6533 goto err_out; 6534 } 6535 que->msix = vector; 6536 adapter->active_queues |= (u64)(1 << que->msix); 6537 6538 if (adapter->feat_en & IXGBE_FEATURE_RSS) { 6539 #ifdef RSS 6540 /* 6541 * The queue ID is used as the RSS layer bucket ID. 6542 * We look up the queue ID -> RSS CPU ID and select 6543 * that. 6544 */ 6545 cpu_id = rss_getcpu(i % rss_getnumbuckets()); 6546 CPU_SETOF(cpu_id, &cpu_mask); 6547 #endif 6548 } else { 6549 /* 6550 * Bind the MSI-X vector, and thus the 6551 * rings to the corresponding CPU. 6552 * 6553 * This just happens to match the default RSS 6554 * round-robin bucket -> queue -> CPU allocation. 6555 */ 6556 if (adapter->num_queues > 1) 6557 cpu_id = i; 6558 } 6559 /* Round-robin affinity */ 6560 kcpuset_zero(affinity); 6561 kcpuset_set(affinity, cpu_id % ncpu); 6562 error = interrupt_distribute(adapter->osdep.ihs[i], affinity, 6563 NULL); 6564 aprint_normal_dev(dev, "for TX/RX, interrupting at %s", 6565 intrstr); 6566 if (error == 0) { 6567 #if 1 /* def IXGBE_DEBUG */ 6568 #ifdef RSS 6569 aprintf_normal(", bound RSS bucket %d to CPU %d", i, 6570 cpu_id % ncpu); 6571 #else 6572 aprint_normal(", bound queue %d to cpu %d", i, 6573 cpu_id % ncpu); 6574 #endif 6575 #endif /* IXGBE_DEBUG */ 6576 } 6577 aprint_normal("\n"); 6578 6579 if (!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX)) { 6580 txr->txr_si = softint_establish( 6581 SOFTINT_NET | IXGBE_SOFTINFT_FLAGS, 6582 ixgbe_deferred_mq_start, txr); 6583 if (txr->txr_si == NULL) { 6584 aprint_error_dev(dev, 6585 "couldn't establish software interrupt\n"); 6586 error = ENXIO; 6587 goto err_out; 6588 } 6589 } 6590 que->que_si 6591 = softint_establish(SOFTINT_NET | IXGBE_SOFTINFT_FLAGS, 6592 ixgbe_handle_que, que); 6593 if (que->que_si == NULL) { 6594 aprint_error_dev(dev, 6595 "couldn't establish software interrupt\n"); 6596 error = ENXIO; 6597 goto err_out; 6598 } 6599 } 6600 snprintf(wqname, sizeof(wqname), "%sdeferTx", device_xname(dev)); 6601 error = workqueue_create(&adapter->txr_wq, wqname, 6602 ixgbe_deferred_mq_start_work, adapter, IXGBE_WORKQUEUE_PRI, IPL_NET, 6603 IXGBE_WORKQUEUE_FLAGS); 6604 if (error) { 6605 aprint_error_dev(dev, "couldn't create workqueue for deferred Tx\n"); 6606 goto err_out; 6607 } 6608 adapter->txr_wq_enqueued = percpu_alloc(sizeof(u_int)); 6609 6610 snprintf(wqname, sizeof(wqname), "%sTxRx", device_xname(dev)); 6611 error = workqueue_create(&adapter->que_wq, wqname, 6612 ixgbe_handle_que_work, adapter, IXGBE_WORKQUEUE_PRI, IPL_NET, 6613 IXGBE_WORKQUEUE_FLAGS); 6614 if (error) { 6615 aprint_error_dev(dev, "couldn't create workqueue for Tx/Rx\n"); 6616 goto err_out; 6617 } 6618 6619 /* and Link */ 6620 cpu_id++; 6621 snprintf(intr_xname, sizeof(intr_xname), "%s link", device_xname(dev)); 6622 adapter->vector = vector; 6623 intrstr = pci_intr_string(pc, adapter->osdep.intrs[vector], intrbuf, 6624 sizeof(intrbuf)); 6625 #ifdef IXGBE_MPSAFE 6626 pci_intr_setattr(pc, &adapter->osdep.intrs[vector], PCI_INTR_MPSAFE, 6627 true); 6628 #endif 6629 /* Set the link handler function */ 6630 adapter->osdep.ihs[vector] = pci_intr_establish_xname(pc, 6631 adapter->osdep.intrs[vector], IPL_NET, ixgbe_msix_link, adapter, 6632 intr_xname); 6633 if (adapter->osdep.ihs[vector] == NULL) { 6634 aprint_error_dev(dev, "Failed to register LINK handler\n"); 6635 error = ENXIO; 6636 goto err_out; 6637 } 6638 /* Round-robin affinity */ 6639 kcpuset_zero(affinity); 6640 kcpuset_set(affinity, cpu_id % ncpu); 6641 error = interrupt_distribute(adapter->osdep.ihs[vector], affinity, 6642 NULL); 6643 6644 aprint_normal_dev(dev, 6645 "for link, interrupting at %s", intrstr); 6646 if (error == 0) 6647 aprint_normal(", affinity to cpu %d\n", cpu_id % ncpu); 6648 else 6649 aprint_normal("\n"); 6650 6651 if (adapter->feat_cap & IXGBE_FEATURE_SRIOV) { 6652 adapter->mbx_si = 6653 softint_establish(SOFTINT_NET | IXGBE_SOFTINFT_FLAGS, 6654 ixgbe_handle_mbx, adapter); 6655 if (adapter->mbx_si == NULL) { 6656 aprint_error_dev(dev, 6657 "could not establish software interrupts\n"); 6658 6659 error = ENXIO; 6660 goto err_out; 6661 } 6662 } 6663 6664 kcpuset_destroy(affinity); 6665 aprint_normal_dev(dev, 6666 "Using MSI-X interrupts with %d vectors\n", vector + 1); 6667 6668 return (0); 6669 6670 err_out: 6671 kcpuset_destroy(affinity); 6672 ixgbe_free_softint(adapter); 6673 ixgbe_free_pciintr_resources(adapter); 6674 return (error); 6675 } /* ixgbe_allocate_msix */ 6676 6677 /************************************************************************ 6678 * ixgbe_configure_interrupts 6679 * 6680 * Setup MSI-X, MSI, or legacy interrupts (in that order). 6681 * This will also depend on user settings. 6682 ************************************************************************/ 6683 static int 6684 ixgbe_configure_interrupts(struct adapter *adapter) 6685 { 6686 device_t dev = adapter->dev; 6687 struct ixgbe_mac_info *mac = &adapter->hw.mac; 6688 int want, queues, msgs; 6689 6690 /* Default to 1 queue if MSI-X setup fails */ 6691 adapter->num_queues = 1; 6692 6693 /* Override by tuneable */ 6694 if (!(adapter->feat_cap & IXGBE_FEATURE_MSIX)) 6695 goto msi; 6696 6697 /* 6698 * NetBSD only: Use single vector MSI when number of CPU is 1 to save 6699 * interrupt slot. 6700 */ 6701 if (ncpu == 1) 6702 goto msi; 6703 6704 /* First try MSI-X */ 6705 msgs = pci_msix_count(adapter->osdep.pc, adapter->osdep.tag); 6706 msgs = MIN(msgs, IXG_MAX_NINTR); 6707 if (msgs < 2) 6708 goto msi; 6709 6710 adapter->msix_mem = (void *)1; /* XXX */ 6711 6712 /* Figure out a reasonable auto config value */ 6713 queues = (ncpu > (msgs - 1)) ? (msgs - 1) : ncpu; 6714 6715 #ifdef RSS 6716 /* If we're doing RSS, clamp at the number of RSS buckets */ 6717 if (adapter->feat_en & IXGBE_FEATURE_RSS) 6718 queues = uimin(queues, rss_getnumbuckets()); 6719 #endif 6720 if (ixgbe_num_queues > queues) { 6721 aprint_error_dev(adapter->dev, "ixgbe_num_queues (%d) is too large, using reduced amount (%d).\n", ixgbe_num_queues, queues); 6722 ixgbe_num_queues = queues; 6723 } 6724 6725 if (ixgbe_num_queues != 0) 6726 queues = ixgbe_num_queues; 6727 else 6728 queues = uimin(queues, 6729 uimin(mac->max_tx_queues, mac->max_rx_queues)); 6730 6731 /* reflect correct sysctl value */ 6732 ixgbe_num_queues = queues; 6733 6734 /* 6735 * Want one vector (RX/TX pair) per queue 6736 * plus an additional for Link. 6737 */ 6738 want = queues + 1; 6739 if (msgs >= want) 6740 msgs = want; 6741 else { 6742 aprint_error_dev(dev, "MSI-X Configuration Problem, " 6743 "%d vectors but %d queues wanted!\n", 6744 msgs, want); 6745 goto msi; 6746 } 6747 adapter->num_queues = queues; 6748 adapter->feat_en |= IXGBE_FEATURE_MSIX; 6749 return (0); 6750 6751 /* 6752 * MSI-X allocation failed or provided us with 6753 * less vectors than needed. Free MSI-X resources 6754 * and we'll try enabling MSI. 6755 */ 6756 msi: 6757 /* Without MSI-X, some features are no longer supported */ 6758 adapter->feat_cap &= ~IXGBE_FEATURE_RSS; 6759 adapter->feat_en &= ~IXGBE_FEATURE_RSS; 6760 adapter->feat_cap &= ~IXGBE_FEATURE_SRIOV; 6761 adapter->feat_en &= ~IXGBE_FEATURE_SRIOV; 6762 6763 msgs = pci_msi_count(adapter->osdep.pc, adapter->osdep.tag); 6764 adapter->msix_mem = NULL; /* XXX */ 6765 if (msgs > 1) 6766 msgs = 1; 6767 if (msgs != 0) { 6768 msgs = 1; 6769 adapter->feat_en |= IXGBE_FEATURE_MSI; 6770 return (0); 6771 } 6772 6773 if (!(adapter->feat_cap & IXGBE_FEATURE_LEGACY_IRQ)) { 6774 aprint_error_dev(dev, 6775 "Device does not support legacy interrupts.\n"); 6776 return 1; 6777 } 6778 6779 adapter->feat_en |= IXGBE_FEATURE_LEGACY_IRQ; 6780 6781 return (0); 6782 } /* ixgbe_configure_interrupts */ 6783 6784 6785 /************************************************************************ 6786 * ixgbe_handle_link - Tasklet for MSI-X Link interrupts 6787 * 6788 * Done outside of interrupt context since the driver might sleep 6789 ************************************************************************/ 6790 static void 6791 ixgbe_handle_link(void *context) 6792 { 6793 struct adapter *adapter = context; 6794 struct ixgbe_hw *hw = &adapter->hw; 6795 6796 IXGBE_CORE_LOCK(adapter); 6797 ++adapter->link_sicount.ev_count; 6798 ixgbe_check_link(hw, &adapter->link_speed, &adapter->link_up, 0); 6799 ixgbe_update_link_status(adapter); 6800 6801 /* Re-enable link interrupts */ 6802 IXGBE_WRITE_REG(hw, IXGBE_EIMS, IXGBE_EIMS_LSC); 6803 6804 IXGBE_CORE_UNLOCK(adapter); 6805 } /* ixgbe_handle_link */ 6806 6807 #if 0 6808 /************************************************************************ 6809 * ixgbe_rearm_queues 6810 ************************************************************************/ 6811 static __inline void 6812 ixgbe_rearm_queues(struct adapter *adapter, u64 queues) 6813 { 6814 u32 mask; 6815 6816 switch (adapter->hw.mac.type) { 6817 case ixgbe_mac_82598EB: 6818 mask = (IXGBE_EIMS_RTX_QUEUE & queues); 6819 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS, mask); 6820 break; 6821 case ixgbe_mac_82599EB: 6822 case ixgbe_mac_X540: 6823 case ixgbe_mac_X550: 6824 case ixgbe_mac_X550EM_x: 6825 case ixgbe_mac_X550EM_a: 6826 mask = (queues & 0xFFFFFFFF); 6827 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS_EX(0), mask); 6828 mask = (queues >> 32); 6829 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS_EX(1), mask); 6830 break; 6831 default: 6832 break; 6833 } 6834 } /* ixgbe_rearm_queues */ 6835 #endif 6836
Indexes created Fri Sep 26 08:10:20 GMT 2025