ixgbe.c revision 1.117
1 /* $NetBSD: ixgbe.c,v 1.117 2017/12/21 06:49:26 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 320916 2017-07-12 17:35:32Z sbruno $*/ 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 "vlan.h" 74 75 #include <sys/cprng.h> 76 #include <dev/mii/mii.h> 77 #include <dev/mii/miivar.h> 78 79 /************************************************************************ 80 * Driver version 81 ************************************************************************/ 82 char ixgbe_driver_version[] = "3.2.12-k"; 83 84 85 /************************************************************************ 86 * PCI Device ID Table 87 * 88 * Used by probe to select devices to load on 89 * Last field stores an index into ixgbe_strings 90 * Last entry must be all 0s 91 * 92 * { Vendor ID, Device ID, SubVendor ID, SubDevice ID, String Index } 93 ************************************************************************/ 94 static ixgbe_vendor_info_t ixgbe_vendor_info_array[] = 95 { 96 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598AF_DUAL_PORT, 0, 0, 0}, 97 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598AF_SINGLE_PORT, 0, 0, 0}, 98 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598EB_CX4, 0, 0, 0}, 99 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598AT, 0, 0, 0}, 100 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598AT2, 0, 0, 0}, 101 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598, 0, 0, 0}, 102 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598_DA_DUAL_PORT, 0, 0, 0}, 103 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598_CX4_DUAL_PORT, 0, 0, 0}, 104 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598EB_XF_LR, 0, 0, 0}, 105 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598_SR_DUAL_PORT_EM, 0, 0, 0}, 106 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598EB_SFP_LOM, 0, 0, 0}, 107 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_KX4, 0, 0, 0}, 108 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_KX4_MEZZ, 0, 0, 0}, 109 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_SFP, 0, 0, 0}, 110 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_XAUI_LOM, 0, 0, 0}, 111 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_CX4, 0, 0, 0}, 112 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_T3_LOM, 0, 0, 0}, 113 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_COMBO_BACKPLANE, 0, 0, 0}, 114 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_BACKPLANE_FCOE, 0, 0, 0}, 115 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_SFP_SF2, 0, 0, 0}, 116 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_SFP_FCOE, 0, 0, 0}, 117 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599EN_SFP, 0, 0, 0}, 118 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_SFP_SF_QP, 0, 0, 0}, 119 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_QSFP_SF_QP, 0, 0, 0}, 120 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X540T, 0, 0, 0}, 121 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X540T1, 0, 0, 0}, 122 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550T, 0, 0, 0}, 123 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550T1, 0, 0, 0}, 124 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_KR, 0, 0, 0}, 125 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_KX4, 0, 0, 0}, 126 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_10G_T, 0, 0, 0}, 127 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_1G_T, 0, 0, 0}, 128 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_SFP, 0, 0, 0}, 129 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_KR, 0, 0, 0}, 130 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_KR_L, 0, 0, 0}, 131 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_SFP, 0, 0, 0}, 132 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_SFP_N, 0, 0, 0}, 133 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_SGMII, 0, 0, 0}, 134 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_SGMII_L, 0, 0, 0}, 135 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_10G_T, 0, 0, 0}, 136 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_1G_T, 0, 0, 0}, 137 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_1G_T_L, 0, 0, 0}, 138 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X540_BYPASS, 0, 0, 0}, 139 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_BYPASS, 0, 0, 0}, 140 /* required last entry */ 141 {0, 0, 0, 0, 0} 142 }; 143 144 /************************************************************************ 145 * Table of branding strings 146 ************************************************************************/ 147 static const char *ixgbe_strings[] = { 148 "Intel(R) PRO/10GbE PCI-Express Network Driver" 149 }; 150 151 /************************************************************************ 152 * Function prototypes 153 ************************************************************************/ 154 static int ixgbe_probe(device_t, cfdata_t, void *); 155 static void ixgbe_attach(device_t, device_t, void *); 156 static int ixgbe_detach(device_t, int); 157 #if 0 158 static int ixgbe_shutdown(device_t); 159 #endif 160 static bool ixgbe_suspend(device_t, const pmf_qual_t *); 161 static bool ixgbe_resume(device_t, const pmf_qual_t *); 162 static int ixgbe_ifflags_cb(struct ethercom *); 163 static int ixgbe_ioctl(struct ifnet *, u_long, void *); 164 static void ixgbe_ifstop(struct ifnet *, int); 165 static int ixgbe_init(struct ifnet *); 166 static void ixgbe_init_locked(struct adapter *); 167 static void ixgbe_stop(void *); 168 static void ixgbe_init_device_features(struct adapter *); 169 static void ixgbe_check_fan_failure(struct adapter *, u32, bool); 170 static void ixgbe_add_media_types(struct adapter *); 171 static void ixgbe_media_status(struct ifnet *, struct ifmediareq *); 172 static int ixgbe_media_change(struct ifnet *); 173 static int ixgbe_allocate_pci_resources(struct adapter *, 174 const struct pci_attach_args *); 175 static void ixgbe_get_slot_info(struct adapter *); 176 static int ixgbe_allocate_msix(struct adapter *, 177 const struct pci_attach_args *); 178 static int ixgbe_allocate_legacy(struct adapter *, 179 const struct pci_attach_args *); 180 static int ixgbe_configure_interrupts(struct adapter *); 181 static void ixgbe_free_pci_resources(struct adapter *); 182 static void ixgbe_local_timer(void *); 183 static void ixgbe_local_timer1(void *); 184 static int ixgbe_setup_interface(device_t, struct adapter *); 185 static void ixgbe_config_gpie(struct adapter *); 186 static void ixgbe_config_dmac(struct adapter *); 187 static void ixgbe_config_delay_values(struct adapter *); 188 static void ixgbe_config_link(struct adapter *); 189 static void ixgbe_check_wol_support(struct adapter *); 190 static int ixgbe_setup_low_power_mode(struct adapter *); 191 static void ixgbe_rearm_queues(struct adapter *, u64); 192 193 static void ixgbe_initialize_transmit_units(struct adapter *); 194 static void ixgbe_initialize_receive_units(struct adapter *); 195 static void ixgbe_enable_rx_drop(struct adapter *); 196 static void ixgbe_disable_rx_drop(struct adapter *); 197 static void ixgbe_initialize_rss_mapping(struct adapter *); 198 199 static void ixgbe_enable_intr(struct adapter *); 200 static void ixgbe_disable_intr(struct adapter *); 201 static void ixgbe_update_stats_counters(struct adapter *); 202 static void ixgbe_set_promisc(struct adapter *); 203 static void ixgbe_set_multi(struct adapter *); 204 static void ixgbe_update_link_status(struct adapter *); 205 static void ixgbe_set_ivar(struct adapter *, u8, u8, s8); 206 static void ixgbe_configure_ivars(struct adapter *); 207 static u8 * ixgbe_mc_array_itr(struct ixgbe_hw *, u8 **, u32 *); 208 209 static void ixgbe_setup_vlan_hw_support(struct adapter *); 210 #if 0 211 static void ixgbe_register_vlan(void *, struct ifnet *, u16); 212 static void ixgbe_unregister_vlan(void *, struct ifnet *, u16); 213 #endif 214 215 static void ixgbe_add_device_sysctls(struct adapter *); 216 static void ixgbe_add_hw_stats(struct adapter *); 217 static void ixgbe_clear_evcnt(struct adapter *); 218 static int ixgbe_set_flowcntl(struct adapter *, int); 219 static int ixgbe_set_advertise(struct adapter *, int); 220 static int ixgbe_get_advertise(struct adapter *); 221 222 /* Sysctl handlers */ 223 static void ixgbe_set_sysctl_value(struct adapter *, const char *, 224 const char *, int *, int); 225 static int ixgbe_sysctl_flowcntl(SYSCTLFN_PROTO); 226 static int ixgbe_sysctl_advertise(SYSCTLFN_PROTO); 227 static int ixgbe_sysctl_interrupt_rate_handler(SYSCTLFN_PROTO); 228 static int ixgbe_sysctl_dmac(SYSCTLFN_PROTO); 229 static int ixgbe_sysctl_phy_temp(SYSCTLFN_PROTO); 230 static int ixgbe_sysctl_phy_overtemp_occurred(SYSCTLFN_PROTO); 231 #ifdef IXGBE_DEBUG 232 static int ixgbe_sysctl_power_state(SYSCTLFN_PROTO); 233 static int ixgbe_sysctl_print_rss_config(SYSCTLFN_PROTO); 234 #endif 235 static int ixgbe_sysctl_rdh_handler(SYSCTLFN_PROTO); 236 static int ixgbe_sysctl_rdt_handler(SYSCTLFN_PROTO); 237 static int ixgbe_sysctl_tdt_handler(SYSCTLFN_PROTO); 238 static int ixgbe_sysctl_tdh_handler(SYSCTLFN_PROTO); 239 static int ixgbe_sysctl_eee_state(SYSCTLFN_PROTO); 240 static int ixgbe_sysctl_wol_enable(SYSCTLFN_PROTO); 241 static int ixgbe_sysctl_wufc(SYSCTLFN_PROTO); 242 243 /* Support for pluggable optic modules */ 244 static bool ixgbe_sfp_probe(struct adapter *); 245 246 /* Legacy (single vector) interrupt handler */ 247 static int ixgbe_legacy_irq(void *); 248 249 /* The MSI/MSI-X Interrupt handlers */ 250 static int ixgbe_msix_que(void *); 251 static int ixgbe_msix_link(void *); 252 253 /* Software interrupts for deferred work */ 254 static void ixgbe_handle_que(void *); 255 static void ixgbe_handle_link(void *); 256 static void ixgbe_handle_msf(void *); 257 static void ixgbe_handle_mod(void *); 258 static void ixgbe_handle_phy(void *); 259 260 static ixgbe_vendor_info_t *ixgbe_lookup(const struct pci_attach_args *); 261 262 /************************************************************************ 263 * NetBSD Device Interface Entry Points 264 ************************************************************************/ 265 CFATTACH_DECL3_NEW(ixg, sizeof(struct adapter), 266 ixgbe_probe, ixgbe_attach, ixgbe_detach, NULL, NULL, NULL, 267 DVF_DETACH_SHUTDOWN); 268 269 #if 0 270 devclass_t ix_devclass; 271 DRIVER_MODULE(ix, pci, ix_driver, ix_devclass, 0, 0); 272 273 MODULE_DEPEND(ix, pci, 1, 1, 1); 274 MODULE_DEPEND(ix, ether, 1, 1, 1); 275 #ifdef DEV_NETMAP 276 MODULE_DEPEND(ix, netmap, 1, 1, 1); 277 #endif 278 #endif 279 280 /* 281 * TUNEABLE PARAMETERS: 282 */ 283 284 /* 285 * AIM: Adaptive Interrupt Moderation 286 * which means that the interrupt rate 287 * is varied over time based on the 288 * traffic for that interrupt vector 289 */ 290 static bool ixgbe_enable_aim = true; 291 #define SYSCTL_INT(_a1, _a2, _a3, _a4, _a5, _a6, _a7) 292 SYSCTL_INT(_hw_ix, OID_AUTO, enable_aim, CTLFLAG_RDTUN, &ixgbe_enable_aim, 0, 293 "Enable adaptive interrupt moderation"); 294 295 static int ixgbe_max_interrupt_rate = (4000000 / IXGBE_LOW_LATENCY); 296 SYSCTL_INT(_hw_ix, OID_AUTO, max_interrupt_rate, CTLFLAG_RDTUN, 297 &ixgbe_max_interrupt_rate, 0, "Maximum interrupts per second"); 298 299 /* How many packets rxeof tries to clean at a time */ 300 static int ixgbe_rx_process_limit = 256; 301 SYSCTL_INT(_hw_ix, OID_AUTO, rx_process_limit, CTLFLAG_RDTUN, 302 &ixgbe_rx_process_limit, 0, "Maximum number of received packets to process at a time, -1 means unlimited"); 303 304 /* How many packets txeof tries to clean at a time */ 305 static int ixgbe_tx_process_limit = 256; 306 SYSCTL_INT(_hw_ix, OID_AUTO, tx_process_limit, CTLFLAG_RDTUN, 307 &ixgbe_tx_process_limit, 0, 308 "Maximum number of sent packets to process at a time, -1 means unlimited"); 309 310 /* Flow control setting, default to full */ 311 static int ixgbe_flow_control = ixgbe_fc_full; 312 SYSCTL_INT(_hw_ix, OID_AUTO, flow_control, CTLFLAG_RDTUN, 313 &ixgbe_flow_control, 0, "Default flow control used for all adapters"); 314 315 /* 316 * Smart speed setting, default to on 317 * this only works as a compile option 318 * right now as its during attach, set 319 * this to 'ixgbe_smart_speed_off' to 320 * disable. 321 */ 322 static int ixgbe_smart_speed = ixgbe_smart_speed_on; 323 324 /* 325 * MSI-X should be the default for best performance, 326 * but this allows it to be forced off for testing. 327 */ 328 static int ixgbe_enable_msix = 1; 329 SYSCTL_INT(_hw_ix, OID_AUTO, enable_msix, CTLFLAG_RDTUN, &ixgbe_enable_msix, 0, 330 "Enable MSI-X interrupts"); 331 332 /* 333 * Number of Queues, can be set to 0, 334 * it then autoconfigures based on the 335 * number of cpus with a max of 8. This 336 * can be overriden manually here. 337 */ 338 static int ixgbe_num_queues = 0; 339 SYSCTL_INT(_hw_ix, OID_AUTO, num_queues, CTLFLAG_RDTUN, &ixgbe_num_queues, 0, 340 "Number of queues to configure, 0 indicates autoconfigure"); 341 342 /* 343 * Number of TX descriptors per ring, 344 * setting higher than RX as this seems 345 * the better performing choice. 346 */ 347 static int ixgbe_txd = PERFORM_TXD; 348 SYSCTL_INT(_hw_ix, OID_AUTO, txd, CTLFLAG_RDTUN, &ixgbe_txd, 0, 349 "Number of transmit descriptors per queue"); 350 351 /* Number of RX descriptors per ring */ 352 static int ixgbe_rxd = PERFORM_RXD; 353 SYSCTL_INT(_hw_ix, OID_AUTO, rxd, CTLFLAG_RDTUN, &ixgbe_rxd, 0, 354 "Number of receive descriptors per queue"); 355 356 /* 357 * Defining this on will allow the use 358 * of unsupported SFP+ modules, note that 359 * doing so you are on your own :) 360 */ 361 static int allow_unsupported_sfp = false; 362 #define TUNABLE_INT(__x, __y) 363 TUNABLE_INT("hw.ix.unsupported_sfp", &allow_unsupported_sfp); 364 365 /* 366 * Not sure if Flow Director is fully baked, 367 * so we'll default to turning it off. 368 */ 369 static int ixgbe_enable_fdir = 0; 370 SYSCTL_INT(_hw_ix, OID_AUTO, enable_fdir, CTLFLAG_RDTUN, &ixgbe_enable_fdir, 0, 371 "Enable Flow Director"); 372 373 /* Legacy Transmit (single queue) */ 374 static int ixgbe_enable_legacy_tx = 0; 375 SYSCTL_INT(_hw_ix, OID_AUTO, enable_legacy_tx, CTLFLAG_RDTUN, 376 &ixgbe_enable_legacy_tx, 0, "Enable Legacy TX flow"); 377 378 /* Receive-Side Scaling */ 379 static int ixgbe_enable_rss = 1; 380 SYSCTL_INT(_hw_ix, OID_AUTO, enable_rss, CTLFLAG_RDTUN, &ixgbe_enable_rss, 0, 381 "Enable Receive-Side Scaling (RSS)"); 382 383 /* Keep running tab on them for sanity check */ 384 static int ixgbe_total_ports; 385 386 #if 0 387 static int (*ixgbe_start_locked)(struct ifnet *, struct tx_ring *); 388 static int (*ixgbe_ring_empty)(struct ifnet *, pcq_t *); 389 #endif 390 391 #ifdef NET_MPSAFE 392 #define IXGBE_MPSAFE 1 393 #define IXGBE_CALLOUT_FLAGS CALLOUT_MPSAFE 394 #define IXGBE_SOFTINFT_FLAGS SOFTINT_MPSAFE 395 #else 396 #define IXGBE_CALLOUT_FLAGS 0 397 #define IXGBE_SOFTINFT_FLAGS 0 398 #endif 399 400 /************************************************************************ 401 * ixgbe_initialize_rss_mapping 402 ************************************************************************/ 403 static void 404 ixgbe_initialize_rss_mapping(struct adapter *adapter) 405 { 406 struct ixgbe_hw *hw = &adapter->hw; 407 u32 reta = 0, mrqc, rss_key[10]; 408 int queue_id, table_size, index_mult; 409 int i, j; 410 u32 rss_hash_config; 411 412 if (adapter->feat_en & IXGBE_FEATURE_RSS) { 413 /* Fetch the configured RSS key */ 414 rss_getkey((uint8_t *) &rss_key); 415 } else { 416 /* set up random bits */ 417 cprng_fast(&rss_key, sizeof(rss_key)); 418 } 419 420 /* Set multiplier for RETA setup and table size based on MAC */ 421 index_mult = 0x1; 422 table_size = 128; 423 switch (adapter->hw.mac.type) { 424 case ixgbe_mac_82598EB: 425 index_mult = 0x11; 426 break; 427 case ixgbe_mac_X550: 428 case ixgbe_mac_X550EM_x: 429 case ixgbe_mac_X550EM_a: 430 table_size = 512; 431 break; 432 default: 433 break; 434 } 435 436 /* Set up the redirection table */ 437 for (i = 0, j = 0; i < table_size; i++, j++) { 438 if (j == adapter->num_queues) 439 j = 0; 440 441 if (adapter->feat_en & IXGBE_FEATURE_RSS) { 442 /* 443 * Fetch the RSS bucket id for the given indirection 444 * entry. Cap it at the number of configured buckets 445 * (which is num_queues.) 446 */ 447 queue_id = rss_get_indirection_to_bucket(i); 448 queue_id = queue_id % adapter->num_queues; 449 } else 450 queue_id = (j * index_mult); 451 452 /* 453 * The low 8 bits are for hash value (n+0); 454 * The next 8 bits are for hash value (n+1), etc. 455 */ 456 reta = reta >> 8; 457 reta = reta | (((uint32_t) queue_id) << 24); 458 if ((i & 3) == 3) { 459 if (i < 128) 460 IXGBE_WRITE_REG(hw, IXGBE_RETA(i >> 2), reta); 461 else 462 IXGBE_WRITE_REG(hw, IXGBE_ERETA((i >> 2) - 32), 463 reta); 464 reta = 0; 465 } 466 } 467 468 /* Now fill our hash function seeds */ 469 for (i = 0; i < 10; i++) 470 IXGBE_WRITE_REG(hw, IXGBE_RSSRK(i), rss_key[i]); 471 472 /* Perform hash on these packet types */ 473 if (adapter->feat_en & IXGBE_FEATURE_RSS) 474 rss_hash_config = rss_gethashconfig(); 475 else { 476 /* 477 * Disable UDP - IP fragments aren't currently being handled 478 * and so we end up with a mix of 2-tuple and 4-tuple 479 * traffic. 480 */ 481 rss_hash_config = RSS_HASHTYPE_RSS_IPV4 482 | RSS_HASHTYPE_RSS_TCP_IPV4 483 | RSS_HASHTYPE_RSS_IPV6 484 | RSS_HASHTYPE_RSS_TCP_IPV6 485 | RSS_HASHTYPE_RSS_IPV6_EX 486 | RSS_HASHTYPE_RSS_TCP_IPV6_EX; 487 } 488 489 mrqc = IXGBE_MRQC_RSSEN; 490 if (rss_hash_config & RSS_HASHTYPE_RSS_IPV4) 491 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4; 492 if (rss_hash_config & RSS_HASHTYPE_RSS_TCP_IPV4) 493 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4_TCP; 494 if (rss_hash_config & RSS_HASHTYPE_RSS_IPV6) 495 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6; 496 if (rss_hash_config & RSS_HASHTYPE_RSS_TCP_IPV6) 497 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_TCP; 498 if (rss_hash_config & RSS_HASHTYPE_RSS_IPV6_EX) 499 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_EX; 500 if (rss_hash_config & RSS_HASHTYPE_RSS_TCP_IPV6_EX) 501 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_EX_TCP; 502 if (rss_hash_config & RSS_HASHTYPE_RSS_UDP_IPV4) 503 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4_UDP; 504 if (rss_hash_config & RSS_HASHTYPE_RSS_UDP_IPV6) 505 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_UDP; 506 if (rss_hash_config & RSS_HASHTYPE_RSS_UDP_IPV6_EX) 507 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_EX_UDP; 508 mrqc |= ixgbe_get_mrqc(adapter->iov_mode); 509 IXGBE_WRITE_REG(hw, IXGBE_MRQC, mrqc); 510 } /* ixgbe_initialize_rss_mapping */ 511 512 /************************************************************************ 513 * ixgbe_initialize_receive_units - Setup receive registers and features. 514 ************************************************************************/ 515 #define BSIZEPKT_ROUNDUP ((1<<IXGBE_SRRCTL_BSIZEPKT_SHIFT)-1) 516 517 static void 518 ixgbe_initialize_receive_units(struct adapter *adapter) 519 { 520 struct rx_ring *rxr = adapter->rx_rings; 521 struct ixgbe_hw *hw = &adapter->hw; 522 struct ifnet *ifp = adapter->ifp; 523 int i, j; 524 u32 bufsz, fctrl, srrctl, rxcsum; 525 u32 hlreg; 526 527 /* 528 * Make sure receives are disabled while 529 * setting up the descriptor ring 530 */ 531 ixgbe_disable_rx(hw); 532 533 /* Enable broadcasts */ 534 fctrl = IXGBE_READ_REG(hw, IXGBE_FCTRL); 535 fctrl |= IXGBE_FCTRL_BAM; 536 if (adapter->hw.mac.type == ixgbe_mac_82598EB) { 537 fctrl |= IXGBE_FCTRL_DPF; 538 fctrl |= IXGBE_FCTRL_PMCF; 539 } 540 IXGBE_WRITE_REG(hw, IXGBE_FCTRL, fctrl); 541 542 /* Set for Jumbo Frames? */ 543 hlreg = IXGBE_READ_REG(hw, IXGBE_HLREG0); 544 if (ifp->if_mtu > ETHERMTU) 545 hlreg |= IXGBE_HLREG0_JUMBOEN; 546 else 547 hlreg &= ~IXGBE_HLREG0_JUMBOEN; 548 549 #ifdef DEV_NETMAP 550 /* CRC stripping is conditional in Netmap */ 551 if ((adapter->feat_en & IXGBE_FEATURE_NETMAP) && 552 (ifp->if_capenable & IFCAP_NETMAP) && 553 !ix_crcstrip) 554 hlreg &= ~IXGBE_HLREG0_RXCRCSTRP; 555 else 556 #endif /* DEV_NETMAP */ 557 hlreg |= IXGBE_HLREG0_RXCRCSTRP; 558 559 IXGBE_WRITE_REG(hw, IXGBE_HLREG0, hlreg); 560 561 bufsz = (adapter->rx_mbuf_sz + BSIZEPKT_ROUNDUP) >> 562 IXGBE_SRRCTL_BSIZEPKT_SHIFT; 563 564 for (i = 0; i < adapter->num_queues; i++, rxr++) { 565 u64 rdba = rxr->rxdma.dma_paddr; 566 u32 tqsmreg, reg; 567 int regnum = i / 4; /* 1 register per 4 queues */ 568 int regshift = i % 4; /* 4 bits per 1 queue */ 569 j = rxr->me; 570 571 /* Setup the Base and Length of the Rx Descriptor Ring */ 572 IXGBE_WRITE_REG(hw, IXGBE_RDBAL(j), 573 (rdba & 0x00000000ffffffffULL)); 574 IXGBE_WRITE_REG(hw, IXGBE_RDBAH(j), (rdba >> 32)); 575 IXGBE_WRITE_REG(hw, IXGBE_RDLEN(j), 576 adapter->num_rx_desc * sizeof(union ixgbe_adv_rx_desc)); 577 578 /* Set up the SRRCTL register */ 579 srrctl = IXGBE_READ_REG(hw, IXGBE_SRRCTL(j)); 580 srrctl &= ~IXGBE_SRRCTL_BSIZEHDR_MASK; 581 srrctl &= ~IXGBE_SRRCTL_BSIZEPKT_MASK; 582 srrctl |= bufsz; 583 srrctl |= IXGBE_SRRCTL_DESCTYPE_ADV_ONEBUF; 584 585 /* Set RQSMR (Receive Queue Statistic Mapping) register */ 586 reg = IXGBE_READ_REG(hw, IXGBE_RQSMR(regnum)); 587 reg &= ~(0x000000ff << (regshift * 8)); 588 reg |= i << (regshift * 8); 589 IXGBE_WRITE_REG(hw, IXGBE_RQSMR(regnum), reg); 590 591 /* 592 * Set RQSMR (Receive Queue Statistic Mapping) register. 593 * Register location for queue 0...7 are different between 594 * 82598 and newer. 595 */ 596 if (adapter->hw.mac.type == ixgbe_mac_82598EB) 597 tqsmreg = IXGBE_TQSMR(regnum); 598 else 599 tqsmreg = IXGBE_TQSM(regnum); 600 reg = IXGBE_READ_REG(hw, tqsmreg); 601 reg &= ~(0x000000ff << (regshift * 8)); 602 reg |= i << (regshift * 8); 603 IXGBE_WRITE_REG(hw, tqsmreg, reg); 604 605 /* 606 * Set DROP_EN iff we have no flow control and >1 queue. 607 * Note that srrctl was cleared shortly before during reset, 608 * so we do not need to clear the bit, but do it just in case 609 * this code is moved elsewhere. 610 */ 611 if (adapter->num_queues > 1 && 612 adapter->hw.fc.requested_mode == ixgbe_fc_none) { 613 srrctl |= IXGBE_SRRCTL_DROP_EN; 614 } else { 615 srrctl &= ~IXGBE_SRRCTL_DROP_EN; 616 } 617 618 IXGBE_WRITE_REG(hw, IXGBE_SRRCTL(j), srrctl); 619 620 /* Setup the HW Rx Head and Tail Descriptor Pointers */ 621 IXGBE_WRITE_REG(hw, IXGBE_RDH(j), 0); 622 IXGBE_WRITE_REG(hw, IXGBE_RDT(j), 0); 623 624 /* Set the driver rx tail address */ 625 rxr->tail = IXGBE_RDT(rxr->me); 626 } 627 628 if (adapter->hw.mac.type != ixgbe_mac_82598EB) { 629 u32 psrtype = IXGBE_PSRTYPE_TCPHDR 630 | IXGBE_PSRTYPE_UDPHDR 631 | IXGBE_PSRTYPE_IPV4HDR 632 | IXGBE_PSRTYPE_IPV6HDR; 633 IXGBE_WRITE_REG(hw, IXGBE_PSRTYPE(0), psrtype); 634 } 635 636 rxcsum = IXGBE_READ_REG(hw, IXGBE_RXCSUM); 637 638 ixgbe_initialize_rss_mapping(adapter); 639 640 if (adapter->num_queues > 1) { 641 /* RSS and RX IPP Checksum are mutually exclusive */ 642 rxcsum |= IXGBE_RXCSUM_PCSD; 643 } 644 645 if (ifp->if_capenable & IFCAP_RXCSUM) 646 rxcsum |= IXGBE_RXCSUM_PCSD; 647 648 /* This is useful for calculating UDP/IP fragment checksums */ 649 if (!(rxcsum & IXGBE_RXCSUM_PCSD)) 650 rxcsum |= IXGBE_RXCSUM_IPPCSE; 651 652 IXGBE_WRITE_REG(hw, IXGBE_RXCSUM, rxcsum); 653 654 return; 655 } /* ixgbe_initialize_receive_units */ 656 657 /************************************************************************ 658 * ixgbe_initialize_transmit_units - Enable transmit units. 659 ************************************************************************/ 660 static void 661 ixgbe_initialize_transmit_units(struct adapter *adapter) 662 { 663 struct tx_ring *txr = adapter->tx_rings; 664 struct ixgbe_hw *hw = &adapter->hw; 665 666 /* Setup the Base and Length of the Tx Descriptor Ring */ 667 for (int i = 0; i < adapter->num_queues; i++, txr++) { 668 u64 tdba = txr->txdma.dma_paddr; 669 u32 txctrl = 0; 670 int j = txr->me; 671 672 IXGBE_WRITE_REG(hw, IXGBE_TDBAL(j), 673 (tdba & 0x00000000ffffffffULL)); 674 IXGBE_WRITE_REG(hw, IXGBE_TDBAH(j), (tdba >> 32)); 675 IXGBE_WRITE_REG(hw, IXGBE_TDLEN(j), 676 adapter->num_tx_desc * sizeof(union ixgbe_adv_tx_desc)); 677 678 /* Setup the HW Tx Head and Tail descriptor pointers */ 679 IXGBE_WRITE_REG(hw, IXGBE_TDH(j), 0); 680 IXGBE_WRITE_REG(hw, IXGBE_TDT(j), 0); 681 682 /* Cache the tail address */ 683 txr->tail = IXGBE_TDT(j); 684 685 /* Disable Head Writeback */ 686 /* 687 * Note: for X550 series devices, these registers are actually 688 * prefixed with TPH_ isntead of DCA_, but the addresses and 689 * fields remain the same. 690 */ 691 switch (hw->mac.type) { 692 case ixgbe_mac_82598EB: 693 txctrl = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(j)); 694 break; 695 default: 696 txctrl = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL_82599(j)); 697 break; 698 } 699 txctrl &= ~IXGBE_DCA_TXCTRL_DESC_WRO_EN; 700 switch (hw->mac.type) { 701 case ixgbe_mac_82598EB: 702 IXGBE_WRITE_REG(hw, IXGBE_DCA_TXCTRL(j), txctrl); 703 break; 704 default: 705 IXGBE_WRITE_REG(hw, IXGBE_DCA_TXCTRL_82599(j), txctrl); 706 break; 707 } 708 709 } 710 711 if (hw->mac.type != ixgbe_mac_82598EB) { 712 u32 dmatxctl, rttdcs; 713 714 dmatxctl = IXGBE_READ_REG(hw, IXGBE_DMATXCTL); 715 dmatxctl |= IXGBE_DMATXCTL_TE; 716 IXGBE_WRITE_REG(hw, IXGBE_DMATXCTL, dmatxctl); 717 /* Disable arbiter to set MTQC */ 718 rttdcs = IXGBE_READ_REG(hw, IXGBE_RTTDCS); 719 rttdcs |= IXGBE_RTTDCS_ARBDIS; 720 IXGBE_WRITE_REG(hw, IXGBE_RTTDCS, rttdcs); 721 IXGBE_WRITE_REG(hw, IXGBE_MTQC, 722 ixgbe_get_mtqc(adapter->iov_mode)); 723 rttdcs &= ~IXGBE_RTTDCS_ARBDIS; 724 IXGBE_WRITE_REG(hw, IXGBE_RTTDCS, rttdcs); 725 } 726 727 return; 728 } /* ixgbe_initialize_transmit_units */ 729 730 /************************************************************************ 731 * ixgbe_attach - Device initialization routine 732 * 733 * Called when the driver is being loaded. 734 * Identifies the type of hardware, allocates all resources 735 * and initializes the hardware. 736 * 737 * return 0 on success, positive on failure 738 ************************************************************************/ 739 static void 740 ixgbe_attach(device_t parent, device_t dev, void *aux) 741 { 742 struct adapter *adapter; 743 struct ixgbe_hw *hw; 744 int error = -1; 745 u32 ctrl_ext; 746 u16 high, low, nvmreg; 747 pcireg_t id, subid; 748 ixgbe_vendor_info_t *ent; 749 struct pci_attach_args *pa = aux; 750 const char *str; 751 char buf[256]; 752 753 INIT_DEBUGOUT("ixgbe_attach: begin"); 754 755 /* Allocate, clear, and link in our adapter structure */ 756 adapter = device_private(dev); 757 adapter->hw.back = adapter; 758 adapter->dev = dev; 759 hw = &adapter->hw; 760 adapter->osdep.pc = pa->pa_pc; 761 adapter->osdep.tag = pa->pa_tag; 762 if (pci_dma64_available(pa)) 763 adapter->osdep.dmat = pa->pa_dmat64; 764 else 765 adapter->osdep.dmat = pa->pa_dmat; 766 adapter->osdep.attached = false; 767 768 ent = ixgbe_lookup(pa); 769 770 KASSERT(ent != NULL); 771 772 aprint_normal(": %s, Version - %s\n", 773 ixgbe_strings[ent->index], ixgbe_driver_version); 774 775 /* Core Lock Init*/ 776 IXGBE_CORE_LOCK_INIT(adapter, device_xname(dev)); 777 778 /* Set up the timer callout */ 779 callout_init(&adapter->timer, IXGBE_CALLOUT_FLAGS); 780 781 /* Determine hardware revision */ 782 id = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_ID_REG); 783 subid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG); 784 785 hw->vendor_id = PCI_VENDOR(id); 786 hw->device_id = PCI_PRODUCT(id); 787 hw->revision_id = 788 PCI_REVISION(pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_CLASS_REG)); 789 hw->subsystem_vendor_id = PCI_SUBSYS_VENDOR(subid); 790 hw->subsystem_device_id = PCI_SUBSYS_ID(subid); 791 792 /* 793 * Make sure BUSMASTER is set 794 */ 795 ixgbe_pci_enable_busmaster(pa->pa_pc, pa->pa_tag); 796 797 /* Do base PCI setup - map BAR0 */ 798 if (ixgbe_allocate_pci_resources(adapter, pa)) { 799 aprint_error_dev(dev, "Allocation of PCI resources failed\n"); 800 error = ENXIO; 801 goto err_out; 802 } 803 804 /* let hardware know driver is loaded */ 805 ctrl_ext = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT); 806 ctrl_ext |= IXGBE_CTRL_EXT_DRV_LOAD; 807 IXGBE_WRITE_REG(hw, IXGBE_CTRL_EXT, ctrl_ext); 808 809 /* 810 * Initialize the shared code 811 */ 812 if (ixgbe_init_shared_code(hw)) { 813 aprint_error_dev(dev, "Unable to initialize the shared code\n"); 814 error = ENXIO; 815 goto err_out; 816 } 817 818 switch (hw->mac.type) { 819 case ixgbe_mac_82598EB: 820 str = "82598EB"; 821 break; 822 case ixgbe_mac_82599EB: 823 str = "82599EB"; 824 break; 825 case ixgbe_mac_X540: 826 str = "X540"; 827 break; 828 case ixgbe_mac_X550: 829 str = "X550"; 830 break; 831 case ixgbe_mac_X550EM_x: 832 str = "X550EM"; 833 break; 834 case ixgbe_mac_X550EM_a: 835 str = "X550EM A"; 836 break; 837 default: 838 str = "Unknown"; 839 break; 840 } 841 aprint_normal_dev(dev, "device %s\n", str); 842 843 if (hw->mbx.ops.init_params) 844 hw->mbx.ops.init_params(hw); 845 846 hw->allow_unsupported_sfp = allow_unsupported_sfp; 847 848 /* Pick up the 82599 settings */ 849 if (hw->mac.type != ixgbe_mac_82598EB) { 850 hw->phy.smart_speed = ixgbe_smart_speed; 851 adapter->num_segs = IXGBE_82599_SCATTER; 852 } else 853 adapter->num_segs = IXGBE_82598_SCATTER; 854 855 hw->mac.ops.set_lan_id(hw); 856 ixgbe_init_device_features(adapter); 857 858 if (ixgbe_configure_interrupts(adapter)) { 859 error = ENXIO; 860 goto err_out; 861 } 862 863 /* Allocate multicast array memory. */ 864 adapter->mta = malloc(sizeof(*adapter->mta) * 865 MAX_NUM_MULTICAST_ADDRESSES, M_DEVBUF, M_NOWAIT); 866 if (adapter->mta == NULL) { 867 aprint_error_dev(dev, "Cannot allocate multicast setup array\n"); 868 error = ENOMEM; 869 goto err_out; 870 } 871 872 /* Enable WoL (if supported) */ 873 ixgbe_check_wol_support(adapter); 874 875 /* Verify adapter fan is still functional (if applicable) */ 876 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) { 877 u32 esdp = IXGBE_READ_REG(hw, IXGBE_ESDP); 878 ixgbe_check_fan_failure(adapter, esdp, FALSE); 879 } 880 881 /* Ensure SW/FW semaphore is free */ 882 ixgbe_init_swfw_semaphore(hw); 883 884 /* Enable EEE power saving */ 885 if (adapter->feat_en & IXGBE_FEATURE_EEE) 886 hw->mac.ops.setup_eee(hw, TRUE); 887 888 /* Set an initial default flow control value */ 889 hw->fc.requested_mode = ixgbe_flow_control; 890 891 /* Sysctls for limiting the amount of work done in the taskqueues */ 892 ixgbe_set_sysctl_value(adapter, "rx_processing_limit", 893 "max number of rx packets to process", 894 &adapter->rx_process_limit, ixgbe_rx_process_limit); 895 896 ixgbe_set_sysctl_value(adapter, "tx_processing_limit", 897 "max number of tx packets to process", 898 &adapter->tx_process_limit, ixgbe_tx_process_limit); 899 900 /* Do descriptor calc and sanity checks */ 901 if (((ixgbe_txd * sizeof(union ixgbe_adv_tx_desc)) % DBA_ALIGN) != 0 || 902 ixgbe_txd < MIN_TXD || ixgbe_txd > MAX_TXD) { 903 aprint_error_dev(dev, "TXD config issue, using default!\n"); 904 adapter->num_tx_desc = DEFAULT_TXD; 905 } else 906 adapter->num_tx_desc = ixgbe_txd; 907 908 /* 909 * With many RX rings it is easy to exceed the 910 * system mbuf allocation. Tuning nmbclusters 911 * can alleviate this. 912 */ 913 if (nmbclusters > 0) { 914 int s; 915 s = (ixgbe_rxd * adapter->num_queues) * ixgbe_total_ports; 916 if (s > nmbclusters) { 917 aprint_error_dev(dev, "RX Descriptors exceed " 918 "system mbuf max, using default instead!\n"); 919 ixgbe_rxd = DEFAULT_RXD; 920 } 921 } 922 923 if (((ixgbe_rxd * sizeof(union ixgbe_adv_rx_desc)) % DBA_ALIGN) != 0 || 924 ixgbe_rxd < MIN_RXD || ixgbe_rxd > MAX_RXD) { 925 aprint_error_dev(dev, "RXD config issue, using default!\n"); 926 adapter->num_rx_desc = DEFAULT_RXD; 927 } else 928 adapter->num_rx_desc = ixgbe_rxd; 929 930 /* Allocate our TX/RX Queues */ 931 if (ixgbe_allocate_queues(adapter)) { 932 error = ENOMEM; 933 goto err_out; 934 } 935 936 hw->phy.reset_if_overtemp = TRUE; 937 error = ixgbe_reset_hw(hw); 938 hw->phy.reset_if_overtemp = FALSE; 939 if (error == IXGBE_ERR_SFP_NOT_PRESENT) { 940 /* 941 * No optics in this port, set up 942 * so the timer routine will probe 943 * for later insertion. 944 */ 945 adapter->sfp_probe = TRUE; 946 error = IXGBE_SUCCESS; 947 } else if (error == IXGBE_ERR_SFP_NOT_SUPPORTED) { 948 aprint_error_dev(dev, "Unsupported SFP+ module detected!\n"); 949 error = EIO; 950 goto err_late; 951 } else if (error) { 952 aprint_error_dev(dev, "Hardware initialization failed\n"); 953 error = EIO; 954 goto err_late; 955 } 956 957 /* Make sure we have a good EEPROM before we read from it */ 958 if (ixgbe_validate_eeprom_checksum(&adapter->hw, NULL) < 0) { 959 aprint_error_dev(dev, "The EEPROM Checksum Is Not Valid\n"); 960 error = EIO; 961 goto err_late; 962 } 963 964 aprint_normal("%s:", device_xname(dev)); 965 /* NVM Image Version */ 966 switch (hw->mac.type) { 967 case ixgbe_mac_X540: 968 case ixgbe_mac_X550EM_a: 969 hw->eeprom.ops.read(hw, IXGBE_NVM_IMAGE_VER, &nvmreg); 970 if (nvmreg == 0xffff) 971 break; 972 high = (nvmreg >> 12) & 0x0f; 973 low = (nvmreg >> 4) & 0xff; 974 id = nvmreg & 0x0f; 975 aprint_normal(" NVM Image Version %u.", high); 976 if (hw->mac.type == ixgbe_mac_X540) 977 str = "%x"; 978 else 979 str = "%02x"; 980 aprint_normal(str, low); 981 aprint_normal(" ID 0x%x,", id); 982 break; 983 case ixgbe_mac_X550EM_x: 984 case ixgbe_mac_X550: 985 hw->eeprom.ops.read(hw, IXGBE_NVM_IMAGE_VER, &nvmreg); 986 if (nvmreg == 0xffff) 987 break; 988 high = (nvmreg >> 12) & 0x0f; 989 low = nvmreg & 0xff; 990 aprint_normal(" NVM Image Version %u.%02x,", high, low); 991 break; 992 default: 993 break; 994 } 995 996 /* PHY firmware revision */ 997 switch (hw->mac.type) { 998 case ixgbe_mac_X540: 999 case ixgbe_mac_X550: 1000 hw->eeprom.ops.read(hw, IXGBE_PHYFW_REV, &nvmreg); 1001 if (nvmreg == 0xffff) 1002 break; 1003 high = (nvmreg >> 12) & 0x0f; 1004 low = (nvmreg >> 4) & 0xff; 1005 id = nvmreg & 0x000f; 1006 aprint_normal(" PHY FW Revision %u.", high); 1007 if (hw->mac.type == ixgbe_mac_X540) 1008 str = "%x"; 1009 else 1010 str = "%02x"; 1011 aprint_normal(str, low); 1012 aprint_normal(" ID 0x%x,", id); 1013 break; 1014 default: 1015 break; 1016 } 1017 1018 /* NVM Map version & OEM NVM Image version */ 1019 switch (hw->mac.type) { 1020 case ixgbe_mac_X550: 1021 case ixgbe_mac_X550EM_x: 1022 case ixgbe_mac_X550EM_a: 1023 hw->eeprom.ops.read(hw, IXGBE_NVM_MAP_VER, &nvmreg); 1024 if (nvmreg != 0xffff) { 1025 high = (nvmreg >> 12) & 0x0f; 1026 low = nvmreg & 0x00ff; 1027 aprint_normal(" NVM Map version %u.%02x,", high, low); 1028 } 1029 hw->eeprom.ops.read(hw, IXGBE_OEM_NVM_IMAGE_VER, &nvmreg); 1030 if (nvmreg != 0xffff) { 1031 high = (nvmreg >> 12) & 0x0f; 1032 low = nvmreg & 0x00ff; 1033 aprint_verbose(" OEM NVM Image version %u.%02x,", high, 1034 low); 1035 } 1036 break; 1037 default: 1038 break; 1039 } 1040 1041 /* Print the ETrackID */ 1042 hw->eeprom.ops.read(hw, IXGBE_ETRACKID_H, &high); 1043 hw->eeprom.ops.read(hw, IXGBE_ETRACKID_L, &low); 1044 aprint_normal(" ETrackID %08x\n", ((uint32_t)high << 16) | low); 1045 1046 if (adapter->feat_en & IXGBE_FEATURE_MSIX) 1047 error = ixgbe_allocate_msix(adapter, pa); 1048 else 1049 error = ixgbe_allocate_legacy(adapter, pa); 1050 if (error) 1051 goto err_late; 1052 1053 error = ixgbe_start_hw(hw); 1054 switch (error) { 1055 case IXGBE_ERR_EEPROM_VERSION: 1056 aprint_error_dev(dev, "This device is a pre-production adapter/" 1057 "LOM. Please be aware there may be issues associated " 1058 "with your hardware.\nIf you are experiencing problems " 1059 "please contact your Intel or hardware representative " 1060 "who provided you with this hardware.\n"); 1061 break; 1062 case IXGBE_ERR_SFP_NOT_SUPPORTED: 1063 aprint_error_dev(dev, "Unsupported SFP+ Module\n"); 1064 error = EIO; 1065 goto err_late; 1066 case IXGBE_ERR_SFP_NOT_PRESENT: 1067 aprint_error_dev(dev, "No SFP+ Module found\n"); 1068 /* falls thru */ 1069 default: 1070 break; 1071 } 1072 1073 /* Setup OS specific network interface */ 1074 if (ixgbe_setup_interface(dev, adapter) != 0) 1075 goto err_late; 1076 1077 /* 1078 * Print PHY ID only for copper PHY. On device which has SFP(+) cage 1079 * and a module is inserted, phy.id is not MII PHY id but SFF 8024 ID. 1080 */ 1081 if (hw->phy.media_type == ixgbe_media_type_copper) { 1082 uint16_t id1, id2; 1083 int oui, model, rev; 1084 const char *descr; 1085 1086 id1 = hw->phy.id >> 16; 1087 id2 = hw->phy.id & 0xffff; 1088 oui = MII_OUI(id1, id2); 1089 model = MII_MODEL(id2); 1090 rev = MII_REV(id2); 1091 if ((descr = mii_get_descr(oui, model)) != NULL) 1092 aprint_normal_dev(dev, 1093 "PHY: %s (OUI 0x%06x, model 0x%04x), rev. %d\n", 1094 descr, oui, model, rev); 1095 else 1096 aprint_normal_dev(dev, 1097 "PHY OUI 0x%06x, model 0x%04x, rev. %d\n", 1098 oui, model, rev); 1099 } 1100 1101 /* Enable the optics for 82599 SFP+ fiber */ 1102 ixgbe_enable_tx_laser(hw); 1103 1104 /* Enable power to the phy. */ 1105 ixgbe_set_phy_power(hw, TRUE); 1106 1107 /* Initialize statistics */ 1108 ixgbe_update_stats_counters(adapter); 1109 1110 /* Check PCIE slot type/speed/width */ 1111 ixgbe_get_slot_info(adapter); 1112 1113 /* 1114 * Do time init and sysctl init here, but 1115 * only on the first port of a bypass adapter. 1116 */ 1117 ixgbe_bypass_init(adapter); 1118 1119 /* Set an initial dmac value */ 1120 adapter->dmac = 0; 1121 /* Set initial advertised speeds (if applicable) */ 1122 adapter->advertise = ixgbe_get_advertise(adapter); 1123 1124 if (adapter->feat_cap & IXGBE_FEATURE_SRIOV) 1125 ixgbe_define_iov_schemas(dev, &error); 1126 1127 /* Add sysctls */ 1128 ixgbe_add_device_sysctls(adapter); 1129 ixgbe_add_hw_stats(adapter); 1130 1131 /* For Netmap */ 1132 adapter->init_locked = ixgbe_init_locked; 1133 adapter->stop_locked = ixgbe_stop; 1134 1135 if (adapter->feat_en & IXGBE_FEATURE_NETMAP) 1136 ixgbe_netmap_attach(adapter); 1137 1138 snprintb(buf, sizeof(buf), IXGBE_FEATURE_FLAGS, adapter->feat_cap); 1139 aprint_verbose_dev(dev, "feature cap %s\n", buf); 1140 snprintb(buf, sizeof(buf), IXGBE_FEATURE_FLAGS, adapter->feat_en); 1141 aprint_verbose_dev(dev, "feature ena %s\n", buf); 1142 1143 if (pmf_device_register(dev, ixgbe_suspend, ixgbe_resume)) 1144 pmf_class_network_register(dev, adapter->ifp); 1145 else 1146 aprint_error_dev(dev, "couldn't establish power handler\n"); 1147 1148 INIT_DEBUGOUT("ixgbe_attach: end"); 1149 adapter->osdep.attached = true; 1150 1151 return; 1152 1153 err_late: 1154 ixgbe_free_transmit_structures(adapter); 1155 ixgbe_free_receive_structures(adapter); 1156 free(adapter->queues, M_DEVBUF); 1157 err_out: 1158 ctrl_ext = IXGBE_READ_REG(&adapter->hw, IXGBE_CTRL_EXT); 1159 ctrl_ext &= ~IXGBE_CTRL_EXT_DRV_LOAD; 1160 IXGBE_WRITE_REG(&adapter->hw, IXGBE_CTRL_EXT, ctrl_ext); 1161 ixgbe_free_pci_resources(adapter); 1162 if (adapter->mta != NULL) 1163 free(adapter->mta, M_DEVBUF); 1164 IXGBE_CORE_LOCK_DESTROY(adapter); 1165 1166 return; 1167 } /* ixgbe_attach */ 1168 1169 /************************************************************************ 1170 * ixgbe_check_wol_support 1171 * 1172 * Checks whether the adapter's ports are capable of 1173 * Wake On LAN by reading the adapter's NVM. 1174 * 1175 * Sets each port's hw->wol_enabled value depending 1176 * on the value read here. 1177 ************************************************************************/ 1178 static void 1179 ixgbe_check_wol_support(struct adapter *adapter) 1180 { 1181 struct ixgbe_hw *hw = &adapter->hw; 1182 u16 dev_caps = 0; 1183 1184 /* Find out WoL support for port */ 1185 adapter->wol_support = hw->wol_enabled = 0; 1186 ixgbe_get_device_caps(hw, &dev_caps); 1187 if ((dev_caps & IXGBE_DEVICE_CAPS_WOL_PORT0_1) || 1188 ((dev_caps & IXGBE_DEVICE_CAPS_WOL_PORT0) && 1189 hw->bus.func == 0)) 1190 adapter->wol_support = hw->wol_enabled = 1; 1191 1192 /* Save initial wake up filter configuration */ 1193 adapter->wufc = IXGBE_READ_REG(hw, IXGBE_WUFC); 1194 1195 return; 1196 } /* ixgbe_check_wol_support */ 1197 1198 /************************************************************************ 1199 * ixgbe_setup_interface 1200 * 1201 * Setup networking device structure and register an interface. 1202 ************************************************************************/ 1203 static int 1204 ixgbe_setup_interface(device_t dev, struct adapter *adapter) 1205 { 1206 struct ethercom *ec = &adapter->osdep.ec; 1207 struct ifnet *ifp; 1208 int rv; 1209 1210 INIT_DEBUGOUT("ixgbe_setup_interface: begin"); 1211 1212 ifp = adapter->ifp = &ec->ec_if; 1213 strlcpy(ifp->if_xname, device_xname(dev), IFNAMSIZ); 1214 ifp->if_baudrate = IF_Gbps(10); 1215 ifp->if_init = ixgbe_init; 1216 ifp->if_stop = ixgbe_ifstop; 1217 ifp->if_softc = adapter; 1218 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 1219 #ifdef IXGBE_MPSAFE 1220 ifp->if_extflags = IFEF_MPSAFE; 1221 #endif 1222 ifp->if_ioctl = ixgbe_ioctl; 1223 #if __FreeBSD_version >= 1100045 1224 /* TSO parameters */ 1225 ifp->if_hw_tsomax = 65518; 1226 ifp->if_hw_tsomaxsegcount = IXGBE_82599_SCATTER; 1227 ifp->if_hw_tsomaxsegsize = 2048; 1228 #endif 1229 if (adapter->feat_en & IXGBE_FEATURE_LEGACY_TX) { 1230 #if 0 1231 ixgbe_start_locked = ixgbe_legacy_start_locked; 1232 #endif 1233 } else { 1234 ifp->if_transmit = ixgbe_mq_start; 1235 #if 0 1236 ixgbe_start_locked = ixgbe_mq_start_locked; 1237 #endif 1238 } 1239 ifp->if_start = ixgbe_legacy_start; 1240 IFQ_SET_MAXLEN(&ifp->if_snd, adapter->num_tx_desc - 2); 1241 IFQ_SET_READY(&ifp->if_snd); 1242 1243 rv = if_initialize(ifp); 1244 if (rv != 0) { 1245 aprint_error_dev(dev, "if_initialize failed(%d)\n", rv); 1246 return rv; 1247 } 1248 adapter->ipq = if_percpuq_create(&adapter->osdep.ec.ec_if); 1249 ether_ifattach(ifp, adapter->hw.mac.addr); 1250 /* 1251 * We use per TX queue softint, so if_deferred_start_init() isn't 1252 * used. 1253 */ 1254 if_register(ifp); 1255 ether_set_ifflags_cb(ec, ixgbe_ifflags_cb); 1256 1257 adapter->max_frame_size = ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN; 1258 1259 /* 1260 * Tell the upper layer(s) we support long frames. 1261 */ 1262 ifp->if_hdrlen = sizeof(struct ether_vlan_header); 1263 1264 /* Set capability flags */ 1265 ifp->if_capabilities |= IFCAP_RXCSUM 1266 | IFCAP_TXCSUM 1267 | IFCAP_TSOv4 1268 | IFCAP_TSOv6 1269 | IFCAP_LRO; 1270 ifp->if_capenable = 0; 1271 1272 ec->ec_capabilities |= ETHERCAP_VLAN_HWTAGGING 1273 | ETHERCAP_VLAN_HWCSUM 1274 | ETHERCAP_JUMBO_MTU 1275 | ETHERCAP_VLAN_MTU; 1276 1277 /* Enable the above capabilities by default */ 1278 ec->ec_capenable = ec->ec_capabilities; 1279 1280 /* 1281 * Don't turn this on by default, if vlans are 1282 * created on another pseudo device (eg. lagg) 1283 * then vlan events are not passed thru, breaking 1284 * operation, but with HW FILTER off it works. If 1285 * using vlans directly on the ixgbe driver you can 1286 * enable this and get full hardware tag filtering. 1287 */ 1288 ec->ec_capabilities |= ETHERCAP_VLAN_HWFILTER; 1289 1290 /* 1291 * Specify the media types supported by this adapter and register 1292 * callbacks to update media and link information 1293 */ 1294 ifmedia_init(&adapter->media, IFM_IMASK, ixgbe_media_change, 1295 ixgbe_media_status); 1296 1297 adapter->phy_layer = ixgbe_get_supported_physical_layer(&adapter->hw); 1298 ixgbe_add_media_types(adapter); 1299 1300 /* Set autoselect media by default */ 1301 ifmedia_set(&adapter->media, IFM_ETHER | IFM_AUTO); 1302 1303 return (0); 1304 } /* ixgbe_setup_interface */ 1305 1306 /************************************************************************ 1307 * ixgbe_add_media_types 1308 ************************************************************************/ 1309 static void 1310 ixgbe_add_media_types(struct adapter *adapter) 1311 { 1312 struct ixgbe_hw *hw = &adapter->hw; 1313 device_t dev = adapter->dev; 1314 u64 layer; 1315 1316 layer = adapter->phy_layer; 1317 1318 #define ADD(mm, dd) \ 1319 ifmedia_add(&adapter->media, IFM_ETHER | (mm), (dd), NULL); 1320 1321 /* Media types with matching NetBSD media defines */ 1322 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_T) { 1323 ADD(IFM_10G_T | IFM_FDX, 0); 1324 } 1325 if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_T) { 1326 ADD(IFM_1000_T | IFM_FDX, 0); 1327 } 1328 if (layer & IXGBE_PHYSICAL_LAYER_100BASE_TX) { 1329 ADD(IFM_100_TX | IFM_FDX, 0); 1330 } 1331 if (layer & IXGBE_PHYSICAL_LAYER_10BASE_T) { 1332 ADD(IFM_10_T | IFM_FDX, 0); 1333 } 1334 1335 if (layer & IXGBE_PHYSICAL_LAYER_SFP_PLUS_CU || 1336 layer & IXGBE_PHYSICAL_LAYER_SFP_ACTIVE_DA) { 1337 ADD(IFM_10G_TWINAX | IFM_FDX, 0); 1338 } 1339 1340 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_LR) { 1341 ADD(IFM_10G_LR | IFM_FDX, 0); 1342 if (hw->phy.multispeed_fiber) { 1343 ADD(IFM_1000_LX | IFM_FDX, 0); 1344 } 1345 } 1346 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_SR) { 1347 ADD(IFM_10G_SR | IFM_FDX, 0); 1348 if (hw->phy.multispeed_fiber) { 1349 ADD(IFM_1000_SX | IFM_FDX, 0); 1350 } 1351 } else if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_SX) { 1352 ADD(IFM_1000_SX | IFM_FDX, 0); 1353 } 1354 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_CX4) { 1355 ADD(IFM_10G_CX4 | IFM_FDX, 0); 1356 } 1357 1358 #ifdef IFM_ETH_XTYPE 1359 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KR) { 1360 ADD(IFM_10G_KR | IFM_FDX, 0); 1361 } 1362 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KX4) { 1363 ADD(AIFM_10G_KX4 | IFM_FDX, 0); 1364 } 1365 #else 1366 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KR) { 1367 device_printf(dev, "Media supported: 10GbaseKR\n"); 1368 device_printf(dev, "10GbaseKR mapped to 10GbaseSR\n"); 1369 ADD(IFM_10G_SR | IFM_FDX, 0); 1370 } 1371 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KX4) { 1372 device_printf(dev, "Media supported: 10GbaseKX4\n"); 1373 device_printf(dev, "10GbaseKX4 mapped to 10GbaseCX4\n"); 1374 ADD(IFM_10G_CX4 | IFM_FDX, 0); 1375 } 1376 #endif 1377 if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_KX) { 1378 ADD(IFM_1000_KX | IFM_FDX, 0); 1379 } 1380 if (layer & IXGBE_PHYSICAL_LAYER_2500BASE_KX) { 1381 ADD(IFM_2500_KX | IFM_FDX, 0); 1382 } 1383 if (layer & IXGBE_PHYSICAL_LAYER_2500BASE_T) { 1384 ADD(IFM_2500_T | IFM_FDX, 0); 1385 } 1386 if (layer & IXGBE_PHYSICAL_LAYER_5GBASE_T) { 1387 ADD(IFM_5000_T | IFM_FDX, 0); 1388 } 1389 if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_BX) 1390 device_printf(dev, "Media supported: 1000baseBX\n"); 1391 /* XXX no ifmedia_set? */ 1392 1393 ADD(IFM_AUTO, 0); 1394 1395 #undef ADD 1396 } /* ixgbe_add_media_types */ 1397 1398 /************************************************************************ 1399 * ixgbe_is_sfp 1400 ************************************************************************/ 1401 static inline bool 1402 ixgbe_is_sfp(struct ixgbe_hw *hw) 1403 { 1404 switch (hw->mac.type) { 1405 case ixgbe_mac_82598EB: 1406 if (hw->phy.type == ixgbe_phy_nl) 1407 return TRUE; 1408 return FALSE; 1409 case ixgbe_mac_82599EB: 1410 switch (hw->mac.ops.get_media_type(hw)) { 1411 case ixgbe_media_type_fiber: 1412 case ixgbe_media_type_fiber_qsfp: 1413 return TRUE; 1414 default: 1415 return FALSE; 1416 } 1417 case ixgbe_mac_X550EM_x: 1418 case ixgbe_mac_X550EM_a: 1419 if (hw->mac.ops.get_media_type(hw) == ixgbe_media_type_fiber) 1420 return TRUE; 1421 return FALSE; 1422 default: 1423 return FALSE; 1424 } 1425 } /* ixgbe_is_sfp */ 1426 1427 /************************************************************************ 1428 * ixgbe_config_link 1429 ************************************************************************/ 1430 static void 1431 ixgbe_config_link(struct adapter *adapter) 1432 { 1433 struct ixgbe_hw *hw = &adapter->hw; 1434 u32 autoneg, err = 0; 1435 bool sfp, negotiate = false; 1436 1437 sfp = ixgbe_is_sfp(hw); 1438 1439 if (sfp) { 1440 if (hw->phy.multispeed_fiber) { 1441 hw->mac.ops.setup_sfp(hw); 1442 ixgbe_enable_tx_laser(hw); 1443 kpreempt_disable(); 1444 softint_schedule(adapter->msf_si); 1445 kpreempt_enable(); 1446 } else { 1447 kpreempt_disable(); 1448 softint_schedule(adapter->mod_si); 1449 kpreempt_enable(); 1450 } 1451 } else { 1452 if (hw->mac.ops.check_link) 1453 err = ixgbe_check_link(hw, &adapter->link_speed, 1454 &adapter->link_up, FALSE); 1455 if (err) 1456 goto out; 1457 autoneg = hw->phy.autoneg_advertised; 1458 if ((!autoneg) && (hw->mac.ops.get_link_capabilities)) 1459 err = hw->mac.ops.get_link_capabilities(hw, &autoneg, 1460 &negotiate); 1461 if (err) 1462 goto out; 1463 if (hw->mac.ops.setup_link) 1464 err = hw->mac.ops.setup_link(hw, autoneg, 1465 adapter->link_up); 1466 } 1467 out: 1468 1469 return; 1470 } /* ixgbe_config_link */ 1471 1472 /************************************************************************ 1473 * ixgbe_update_stats_counters - Update board statistics counters. 1474 ************************************************************************/ 1475 static void 1476 ixgbe_update_stats_counters(struct adapter *adapter) 1477 { 1478 struct ifnet *ifp = adapter->ifp; 1479 struct ixgbe_hw *hw = &adapter->hw; 1480 struct ixgbe_hw_stats *stats = &adapter->stats.pf; 1481 u32 missed_rx = 0, bprc, lxon, lxoff, total; 1482 u64 total_missed_rx = 0; 1483 uint64_t crcerrs, rlec; 1484 1485 crcerrs = IXGBE_READ_REG(hw, IXGBE_CRCERRS); 1486 stats->crcerrs.ev_count += crcerrs; 1487 stats->illerrc.ev_count += IXGBE_READ_REG(hw, IXGBE_ILLERRC); 1488 stats->errbc.ev_count += IXGBE_READ_REG(hw, IXGBE_ERRBC); 1489 stats->mspdc.ev_count += IXGBE_READ_REG(hw, IXGBE_MSPDC); 1490 if (hw->mac.type == ixgbe_mac_X550) 1491 stats->mbsdc.ev_count += IXGBE_READ_REG(hw, IXGBE_MBSDC); 1492 1493 for (int i = 0; i < __arraycount(stats->qprc); i++) { 1494 int j = i % adapter->num_queues; 1495 stats->qprc[j].ev_count += IXGBE_READ_REG(hw, IXGBE_QPRC(i)); 1496 stats->qptc[j].ev_count += IXGBE_READ_REG(hw, IXGBE_QPTC(i)); 1497 stats->qprdc[j].ev_count += IXGBE_READ_REG(hw, IXGBE_QPRDC(i)); 1498 } 1499 for (int i = 0; i < __arraycount(stats->mpc); i++) { 1500 uint32_t mp; 1501 int j = i % adapter->num_queues; 1502 1503 mp = IXGBE_READ_REG(hw, IXGBE_MPC(i)); 1504 /* global total per queue */ 1505 stats->mpc[j].ev_count += mp; 1506 /* running comprehensive total for stats display */ 1507 total_missed_rx += mp; 1508 1509 if (hw->mac.type == ixgbe_mac_82598EB) 1510 stats->rnbc[j].ev_count 1511 += IXGBE_READ_REG(hw, IXGBE_RNBC(i)); 1512 1513 } 1514 stats->mpctotal.ev_count += total_missed_rx; 1515 1516 /* Document says M[LR]FC are valid when link is up and 10Gbps */ 1517 if ((adapter->link_active == TRUE) 1518 && (adapter->link_speed == IXGBE_LINK_SPEED_10GB_FULL)) { 1519 stats->mlfc.ev_count += IXGBE_READ_REG(hw, IXGBE_MLFC); 1520 stats->mrfc.ev_count += IXGBE_READ_REG(hw, IXGBE_MRFC); 1521 } 1522 rlec = IXGBE_READ_REG(hw, IXGBE_RLEC); 1523 stats->rlec.ev_count += rlec; 1524 1525 /* Hardware workaround, gprc counts missed packets */ 1526 stats->gprc.ev_count += IXGBE_READ_REG(hw, IXGBE_GPRC) - missed_rx; 1527 1528 lxon = IXGBE_READ_REG(hw, IXGBE_LXONTXC); 1529 stats->lxontxc.ev_count += lxon; 1530 lxoff = IXGBE_READ_REG(hw, IXGBE_LXOFFTXC); 1531 stats->lxofftxc.ev_count += lxoff; 1532 total = lxon + lxoff; 1533 1534 if (hw->mac.type != ixgbe_mac_82598EB) { 1535 stats->gorc.ev_count += IXGBE_READ_REG(hw, IXGBE_GORCL) + 1536 ((u64)IXGBE_READ_REG(hw, IXGBE_GORCH) << 32); 1537 stats->gotc.ev_count += IXGBE_READ_REG(hw, IXGBE_GOTCL) + 1538 ((u64)IXGBE_READ_REG(hw, IXGBE_GOTCH) << 32) - total * ETHER_MIN_LEN; 1539 stats->tor.ev_count += IXGBE_READ_REG(hw, IXGBE_TORL) + 1540 ((u64)IXGBE_READ_REG(hw, IXGBE_TORH) << 32); 1541 stats->lxonrxc.ev_count += IXGBE_READ_REG(hw, IXGBE_LXONRXCNT); 1542 stats->lxoffrxc.ev_count += IXGBE_READ_REG(hw, IXGBE_LXOFFRXCNT); 1543 } else { 1544 stats->lxonrxc.ev_count += IXGBE_READ_REG(hw, IXGBE_LXONRXC); 1545 stats->lxoffrxc.ev_count += IXGBE_READ_REG(hw, IXGBE_LXOFFRXC); 1546 /* 82598 only has a counter in the high register */ 1547 stats->gorc.ev_count += IXGBE_READ_REG(hw, IXGBE_GORCH); 1548 stats->gotc.ev_count += IXGBE_READ_REG(hw, IXGBE_GOTCH) - total * ETHER_MIN_LEN; 1549 stats->tor.ev_count += IXGBE_READ_REG(hw, IXGBE_TORH); 1550 } 1551 1552 /* 1553 * Workaround: mprc hardware is incorrectly counting 1554 * broadcasts, so for now we subtract those. 1555 */ 1556 bprc = IXGBE_READ_REG(hw, IXGBE_BPRC); 1557 stats->bprc.ev_count += bprc; 1558 stats->mprc.ev_count += IXGBE_READ_REG(hw, IXGBE_MPRC) 1559 - ((hw->mac.type == ixgbe_mac_82598EB) ? bprc : 0); 1560 1561 stats->prc64.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC64); 1562 stats->prc127.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC127); 1563 stats->prc255.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC255); 1564 stats->prc511.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC511); 1565 stats->prc1023.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC1023); 1566 stats->prc1522.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC1522); 1567 1568 stats->gptc.ev_count += IXGBE_READ_REG(hw, IXGBE_GPTC) - total; 1569 stats->mptc.ev_count += IXGBE_READ_REG(hw, IXGBE_MPTC) - total; 1570 stats->ptc64.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC64) - total; 1571 1572 stats->ruc.ev_count += IXGBE_READ_REG(hw, IXGBE_RUC); 1573 stats->rfc.ev_count += IXGBE_READ_REG(hw, IXGBE_RFC); 1574 stats->roc.ev_count += IXGBE_READ_REG(hw, IXGBE_ROC); 1575 stats->rjc.ev_count += IXGBE_READ_REG(hw, IXGBE_RJC); 1576 stats->mngprc.ev_count += IXGBE_READ_REG(hw, IXGBE_MNGPRC); 1577 stats->mngpdc.ev_count += IXGBE_READ_REG(hw, IXGBE_MNGPDC); 1578 stats->mngptc.ev_count += IXGBE_READ_REG(hw, IXGBE_MNGPTC); 1579 stats->tpr.ev_count += IXGBE_READ_REG(hw, IXGBE_TPR); 1580 stats->tpt.ev_count += IXGBE_READ_REG(hw, IXGBE_TPT); 1581 stats->ptc127.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC127); 1582 stats->ptc255.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC255); 1583 stats->ptc511.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC511); 1584 stats->ptc1023.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC1023); 1585 stats->ptc1522.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC1522); 1586 stats->bptc.ev_count += IXGBE_READ_REG(hw, IXGBE_BPTC); 1587 stats->xec.ev_count += IXGBE_READ_REG(hw, IXGBE_XEC); 1588 stats->fccrc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCCRC); 1589 stats->fclast.ev_count += IXGBE_READ_REG(hw, IXGBE_FCLAST); 1590 /* Only read FCOE on 82599 */ 1591 if (hw->mac.type != ixgbe_mac_82598EB) { 1592 stats->fcoerpdc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOERPDC); 1593 stats->fcoeprc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOEPRC); 1594 stats->fcoeptc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOEPTC); 1595 stats->fcoedwrc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOEDWRC); 1596 stats->fcoedwtc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOEDWTC); 1597 } 1598 1599 /* Fill out the OS statistics structure */ 1600 /* 1601 * NetBSD: Don't override if_{i|o}{packets|bytes|mcasts} with 1602 * adapter->stats counters. It's required to make ifconfig -z 1603 * (SOICZIFDATA) work. 1604 */ 1605 ifp->if_collisions = 0; 1606 1607 /* Rx Errors */ 1608 ifp->if_iqdrops += total_missed_rx; 1609 ifp->if_ierrors += crcerrs + rlec; 1610 } /* ixgbe_update_stats_counters */ 1611 1612 /************************************************************************ 1613 * ixgbe_add_hw_stats 1614 * 1615 * Add sysctl variables, one per statistic, to the system. 1616 ************************************************************************/ 1617 static void 1618 ixgbe_add_hw_stats(struct adapter *adapter) 1619 { 1620 device_t dev = adapter->dev; 1621 const struct sysctlnode *rnode, *cnode; 1622 struct sysctllog **log = &adapter->sysctllog; 1623 struct tx_ring *txr = adapter->tx_rings; 1624 struct rx_ring *rxr = adapter->rx_rings; 1625 struct ixgbe_hw *hw = &adapter->hw; 1626 struct ixgbe_hw_stats *stats = &adapter->stats.pf; 1627 const char *xname = device_xname(dev); 1628 1629 /* Driver Statistics */ 1630 evcnt_attach_dynamic(&adapter->handleq, EVCNT_TYPE_MISC, 1631 NULL, xname, "Handled queue in softint"); 1632 evcnt_attach_dynamic(&adapter->req, EVCNT_TYPE_MISC, 1633 NULL, xname, "Requeued in softint"); 1634 evcnt_attach_dynamic(&adapter->efbig_tx_dma_setup, EVCNT_TYPE_MISC, 1635 NULL, xname, "Driver tx dma soft fail EFBIG"); 1636 evcnt_attach_dynamic(&adapter->mbuf_defrag_failed, EVCNT_TYPE_MISC, 1637 NULL, xname, "m_defrag() failed"); 1638 evcnt_attach_dynamic(&adapter->efbig2_tx_dma_setup, EVCNT_TYPE_MISC, 1639 NULL, xname, "Driver tx dma hard fail EFBIG"); 1640 evcnt_attach_dynamic(&adapter->einval_tx_dma_setup, EVCNT_TYPE_MISC, 1641 NULL, xname, "Driver tx dma hard fail EINVAL"); 1642 evcnt_attach_dynamic(&adapter->other_tx_dma_setup, EVCNT_TYPE_MISC, 1643 NULL, xname, "Driver tx dma hard fail other"); 1644 evcnt_attach_dynamic(&adapter->eagain_tx_dma_setup, EVCNT_TYPE_MISC, 1645 NULL, xname, "Driver tx dma soft fail EAGAIN"); 1646 evcnt_attach_dynamic(&adapter->enomem_tx_dma_setup, EVCNT_TYPE_MISC, 1647 NULL, xname, "Driver tx dma soft fail ENOMEM"); 1648 evcnt_attach_dynamic(&adapter->watchdog_events, EVCNT_TYPE_MISC, 1649 NULL, xname, "Watchdog timeouts"); 1650 evcnt_attach_dynamic(&adapter->tso_err, EVCNT_TYPE_MISC, 1651 NULL, xname, "TSO errors"); 1652 evcnt_attach_dynamic(&adapter->link_irq, EVCNT_TYPE_INTR, 1653 NULL, xname, "Link MSI-X IRQ Handled"); 1654 1655 for (int i = 0; i < adapter->num_queues; i++, rxr++, txr++) { 1656 snprintf(adapter->queues[i].evnamebuf, 1657 sizeof(adapter->queues[i].evnamebuf), "%s q%d", 1658 xname, i); 1659 snprintf(adapter->queues[i].namebuf, 1660 sizeof(adapter->queues[i].namebuf), "q%d", i); 1661 1662 if ((rnode = ixgbe_sysctl_instance(adapter)) == NULL) { 1663 aprint_error_dev(dev, "could not create sysctl root\n"); 1664 break; 1665 } 1666 1667 if (sysctl_createv(log, 0, &rnode, &rnode, 1668 0, CTLTYPE_NODE, 1669 adapter->queues[i].namebuf, SYSCTL_DESCR("Queue Name"), 1670 NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL) != 0) 1671 break; 1672 1673 if (sysctl_createv(log, 0, &rnode, &cnode, 1674 CTLFLAG_READWRITE, CTLTYPE_INT, 1675 "interrupt_rate", SYSCTL_DESCR("Interrupt Rate"), 1676 ixgbe_sysctl_interrupt_rate_handler, 0, 1677 (void *)&adapter->queues[i], 0, CTL_CREATE, CTL_EOL) != 0) 1678 break; 1679 1680 #if 0 /* XXX msaitoh */ 1681 if (sysctl_createv(log, 0, &rnode, &cnode, 1682 CTLFLAG_READONLY, CTLTYPE_QUAD, 1683 "irqs", SYSCTL_DESCR("irqs on this queue"), 1684 NULL, 0, &(adapter->queues[i].irqs), 1685 0, CTL_CREATE, CTL_EOL) != 0) 1686 break; 1687 #endif 1688 1689 if (sysctl_createv(log, 0, &rnode, &cnode, 1690 CTLFLAG_READONLY, CTLTYPE_INT, 1691 "txd_head", SYSCTL_DESCR("Transmit Descriptor Head"), 1692 ixgbe_sysctl_tdh_handler, 0, (void *)txr, 1693 0, CTL_CREATE, CTL_EOL) != 0) 1694 break; 1695 1696 if (sysctl_createv(log, 0, &rnode, &cnode, 1697 CTLFLAG_READONLY, CTLTYPE_INT, 1698 "txd_tail", SYSCTL_DESCR("Transmit Descriptor Tail"), 1699 ixgbe_sysctl_tdt_handler, 0, (void *)txr, 1700 0, CTL_CREATE, CTL_EOL) != 0) 1701 break; 1702 1703 evcnt_attach_dynamic(&adapter->queues[i].irqs, EVCNT_TYPE_INTR, 1704 NULL, adapter->queues[i].evnamebuf, "IRQs on queue"); 1705 evcnt_attach_dynamic(&txr->tso_tx, EVCNT_TYPE_MISC, 1706 NULL, adapter->queues[i].evnamebuf, "TSO"); 1707 evcnt_attach_dynamic(&txr->no_desc_avail, EVCNT_TYPE_MISC, 1708 NULL, adapter->queues[i].evnamebuf, 1709 "Queue No Descriptor Available"); 1710 evcnt_attach_dynamic(&txr->total_packets, EVCNT_TYPE_MISC, 1711 NULL, adapter->queues[i].evnamebuf, 1712 "Queue Packets Transmitted"); 1713 #ifndef IXGBE_LEGACY_TX 1714 evcnt_attach_dynamic(&txr->pcq_drops, EVCNT_TYPE_MISC, 1715 NULL, adapter->queues[i].evnamebuf, 1716 "Packets dropped in pcq"); 1717 #endif 1718 1719 #ifdef LRO 1720 struct lro_ctrl *lro = &rxr->lro; 1721 #endif /* LRO */ 1722 1723 if (sysctl_createv(log, 0, &rnode, &cnode, 1724 CTLFLAG_READONLY, 1725 CTLTYPE_INT, 1726 "rxd_head", SYSCTL_DESCR("Receive Descriptor Head"), 1727 ixgbe_sysctl_rdh_handler, 0, (void *)rxr, 0, 1728 CTL_CREATE, CTL_EOL) != 0) 1729 break; 1730 1731 if (sysctl_createv(log, 0, &rnode, &cnode, 1732 CTLFLAG_READONLY, 1733 CTLTYPE_INT, 1734 "rxd_tail", SYSCTL_DESCR("Receive Descriptor Tail"), 1735 ixgbe_sysctl_rdt_handler, 0, (void *)rxr, 0, 1736 CTL_CREATE, CTL_EOL) != 0) 1737 break; 1738 1739 if (i < __arraycount(stats->mpc)) { 1740 evcnt_attach_dynamic(&stats->mpc[i], 1741 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1742 "RX Missed Packet Count"); 1743 if (hw->mac.type == ixgbe_mac_82598EB) 1744 evcnt_attach_dynamic(&stats->rnbc[i], 1745 EVCNT_TYPE_MISC, NULL, 1746 adapter->queues[i].evnamebuf, 1747 "Receive No Buffers"); 1748 } 1749 if (i < __arraycount(stats->pxontxc)) { 1750 evcnt_attach_dynamic(&stats->pxontxc[i], 1751 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1752 "pxontxc"); 1753 evcnt_attach_dynamic(&stats->pxonrxc[i], 1754 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1755 "pxonrxc"); 1756 evcnt_attach_dynamic(&stats->pxofftxc[i], 1757 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1758 "pxofftxc"); 1759 evcnt_attach_dynamic(&stats->pxoffrxc[i], 1760 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1761 "pxoffrxc"); 1762 evcnt_attach_dynamic(&stats->pxon2offc[i], 1763 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1764 "pxon2offc"); 1765 } 1766 if (i < __arraycount(stats->qprc)) { 1767 evcnt_attach_dynamic(&stats->qprc[i], 1768 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1769 "qprc"); 1770 evcnt_attach_dynamic(&stats->qptc[i], 1771 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1772 "qptc"); 1773 evcnt_attach_dynamic(&stats->qbrc[i], 1774 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1775 "qbrc"); 1776 evcnt_attach_dynamic(&stats->qbtc[i], 1777 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1778 "qbtc"); 1779 evcnt_attach_dynamic(&stats->qprdc[i], 1780 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1781 "qprdc"); 1782 } 1783 1784 evcnt_attach_dynamic(&rxr->rx_packets, EVCNT_TYPE_MISC, 1785 NULL, adapter->queues[i].evnamebuf, "Queue Packets Received"); 1786 evcnt_attach_dynamic(&rxr->rx_bytes, EVCNT_TYPE_MISC, 1787 NULL, adapter->queues[i].evnamebuf, "Queue Bytes Received"); 1788 evcnt_attach_dynamic(&rxr->rx_copies, EVCNT_TYPE_MISC, 1789 NULL, adapter->queues[i].evnamebuf, "Copied RX Frames"); 1790 evcnt_attach_dynamic(&rxr->no_jmbuf, EVCNT_TYPE_MISC, 1791 NULL, adapter->queues[i].evnamebuf, "Rx no jumbo mbuf"); 1792 evcnt_attach_dynamic(&rxr->rx_discarded, EVCNT_TYPE_MISC, 1793 NULL, adapter->queues[i].evnamebuf, "Rx discarded"); 1794 #ifdef LRO 1795 SYSCTL_ADD_INT(ctx, queue_list, OID_AUTO, "lro_queued", 1796 CTLFLAG_RD, &lro->lro_queued, 0, 1797 "LRO Queued"); 1798 SYSCTL_ADD_INT(ctx, queue_list, OID_AUTO, "lro_flushed", 1799 CTLFLAG_RD, &lro->lro_flushed, 0, 1800 "LRO Flushed"); 1801 #endif /* LRO */ 1802 } 1803 1804 /* MAC stats get their own sub node */ 1805 1806 snprintf(stats->namebuf, 1807 sizeof(stats->namebuf), "%s MAC Statistics", xname); 1808 1809 evcnt_attach_dynamic(&stats->ipcs, EVCNT_TYPE_MISC, NULL, 1810 stats->namebuf, "rx csum offload - IP"); 1811 evcnt_attach_dynamic(&stats->l4cs, EVCNT_TYPE_MISC, NULL, 1812 stats->namebuf, "rx csum offload - L4"); 1813 evcnt_attach_dynamic(&stats->ipcs_bad, EVCNT_TYPE_MISC, NULL, 1814 stats->namebuf, "rx csum offload - IP bad"); 1815 evcnt_attach_dynamic(&stats->l4cs_bad, EVCNT_TYPE_MISC, NULL, 1816 stats->namebuf, "rx csum offload - L4 bad"); 1817 evcnt_attach_dynamic(&stats->intzero, EVCNT_TYPE_MISC, NULL, 1818 stats->namebuf, "Interrupt conditions zero"); 1819 evcnt_attach_dynamic(&stats->legint, EVCNT_TYPE_MISC, NULL, 1820 stats->namebuf, "Legacy interrupts"); 1821 1822 evcnt_attach_dynamic(&stats->crcerrs, EVCNT_TYPE_MISC, NULL, 1823 stats->namebuf, "CRC Errors"); 1824 evcnt_attach_dynamic(&stats->illerrc, EVCNT_TYPE_MISC, NULL, 1825 stats->namebuf, "Illegal Byte Errors"); 1826 evcnt_attach_dynamic(&stats->errbc, EVCNT_TYPE_MISC, NULL, 1827 stats->namebuf, "Byte Errors"); 1828 evcnt_attach_dynamic(&stats->mspdc, EVCNT_TYPE_MISC, NULL, 1829 stats->namebuf, "MAC Short Packets Discarded"); 1830 if (hw->mac.type >= ixgbe_mac_X550) 1831 evcnt_attach_dynamic(&stats->mbsdc, EVCNT_TYPE_MISC, NULL, 1832 stats->namebuf, "Bad SFD"); 1833 evcnt_attach_dynamic(&stats->mpctotal, EVCNT_TYPE_MISC, NULL, 1834 stats->namebuf, "Total Packets Missed"); 1835 evcnt_attach_dynamic(&stats->mlfc, EVCNT_TYPE_MISC, NULL, 1836 stats->namebuf, "MAC Local Faults"); 1837 evcnt_attach_dynamic(&stats->mrfc, EVCNT_TYPE_MISC, NULL, 1838 stats->namebuf, "MAC Remote Faults"); 1839 evcnt_attach_dynamic(&stats->rlec, EVCNT_TYPE_MISC, NULL, 1840 stats->namebuf, "Receive Length Errors"); 1841 evcnt_attach_dynamic(&stats->lxontxc, EVCNT_TYPE_MISC, NULL, 1842 stats->namebuf, "Link XON Transmitted"); 1843 evcnt_attach_dynamic(&stats->lxonrxc, EVCNT_TYPE_MISC, NULL, 1844 stats->namebuf, "Link XON Received"); 1845 evcnt_attach_dynamic(&stats->lxofftxc, EVCNT_TYPE_MISC, NULL, 1846 stats->namebuf, "Link XOFF Transmitted"); 1847 evcnt_attach_dynamic(&stats->lxoffrxc, EVCNT_TYPE_MISC, NULL, 1848 stats->namebuf, "Link XOFF Received"); 1849 1850 /* Packet Reception Stats */ 1851 evcnt_attach_dynamic(&stats->tor, EVCNT_TYPE_MISC, NULL, 1852 stats->namebuf, "Total Octets Received"); 1853 evcnt_attach_dynamic(&stats->gorc, EVCNT_TYPE_MISC, NULL, 1854 stats->namebuf, "Good Octets Received"); 1855 evcnt_attach_dynamic(&stats->tpr, EVCNT_TYPE_MISC, NULL, 1856 stats->namebuf, "Total Packets Received"); 1857 evcnt_attach_dynamic(&stats->gprc, EVCNT_TYPE_MISC, NULL, 1858 stats->namebuf, "Good Packets Received"); 1859 evcnt_attach_dynamic(&stats->mprc, EVCNT_TYPE_MISC, NULL, 1860 stats->namebuf, "Multicast Packets Received"); 1861 evcnt_attach_dynamic(&stats->bprc, EVCNT_TYPE_MISC, NULL, 1862 stats->namebuf, "Broadcast Packets Received"); 1863 evcnt_attach_dynamic(&stats->prc64, EVCNT_TYPE_MISC, NULL, 1864 stats->namebuf, "64 byte frames received "); 1865 evcnt_attach_dynamic(&stats->prc127, EVCNT_TYPE_MISC, NULL, 1866 stats->namebuf, "65-127 byte frames received"); 1867 evcnt_attach_dynamic(&stats->prc255, EVCNT_TYPE_MISC, NULL, 1868 stats->namebuf, "128-255 byte frames received"); 1869 evcnt_attach_dynamic(&stats->prc511, EVCNT_TYPE_MISC, NULL, 1870 stats->namebuf, "256-511 byte frames received"); 1871 evcnt_attach_dynamic(&stats->prc1023, EVCNT_TYPE_MISC, NULL, 1872 stats->namebuf, "512-1023 byte frames received"); 1873 evcnt_attach_dynamic(&stats->prc1522, EVCNT_TYPE_MISC, NULL, 1874 stats->namebuf, "1023-1522 byte frames received"); 1875 evcnt_attach_dynamic(&stats->ruc, EVCNT_TYPE_MISC, NULL, 1876 stats->namebuf, "Receive Undersized"); 1877 evcnt_attach_dynamic(&stats->rfc, EVCNT_TYPE_MISC, NULL, 1878 stats->namebuf, "Fragmented Packets Received "); 1879 evcnt_attach_dynamic(&stats->roc, EVCNT_TYPE_MISC, NULL, 1880 stats->namebuf, "Oversized Packets Received"); 1881 evcnt_attach_dynamic(&stats->rjc, EVCNT_TYPE_MISC, NULL, 1882 stats->namebuf, "Received Jabber"); 1883 evcnt_attach_dynamic(&stats->mngprc, EVCNT_TYPE_MISC, NULL, 1884 stats->namebuf, "Management Packets Received"); 1885 evcnt_attach_dynamic(&stats->mngpdc, EVCNT_TYPE_MISC, NULL, 1886 stats->namebuf, "Management Packets Dropped"); 1887 evcnt_attach_dynamic(&stats->xec, EVCNT_TYPE_MISC, NULL, 1888 stats->namebuf, "Checksum Errors"); 1889 1890 /* Packet Transmission Stats */ 1891 evcnt_attach_dynamic(&stats->gotc, EVCNT_TYPE_MISC, NULL, 1892 stats->namebuf, "Good Octets Transmitted"); 1893 evcnt_attach_dynamic(&stats->tpt, EVCNT_TYPE_MISC, NULL, 1894 stats->namebuf, "Total Packets Transmitted"); 1895 evcnt_attach_dynamic(&stats->gptc, EVCNT_TYPE_MISC, NULL, 1896 stats->namebuf, "Good Packets Transmitted"); 1897 evcnt_attach_dynamic(&stats->bptc, EVCNT_TYPE_MISC, NULL, 1898 stats->namebuf, "Broadcast Packets Transmitted"); 1899 evcnt_attach_dynamic(&stats->mptc, EVCNT_TYPE_MISC, NULL, 1900 stats->namebuf, "Multicast Packets Transmitted"); 1901 evcnt_attach_dynamic(&stats->mngptc, EVCNT_TYPE_MISC, NULL, 1902 stats->namebuf, "Management Packets Transmitted"); 1903 evcnt_attach_dynamic(&stats->ptc64, EVCNT_TYPE_MISC, NULL, 1904 stats->namebuf, "64 byte frames transmitted "); 1905 evcnt_attach_dynamic(&stats->ptc127, EVCNT_TYPE_MISC, NULL, 1906 stats->namebuf, "65-127 byte frames transmitted"); 1907 evcnt_attach_dynamic(&stats->ptc255, EVCNT_TYPE_MISC, NULL, 1908 stats->namebuf, "128-255 byte frames transmitted"); 1909 evcnt_attach_dynamic(&stats->ptc511, EVCNT_TYPE_MISC, NULL, 1910 stats->namebuf, "256-511 byte frames transmitted"); 1911 evcnt_attach_dynamic(&stats->ptc1023, EVCNT_TYPE_MISC, NULL, 1912 stats->namebuf, "512-1023 byte frames transmitted"); 1913 evcnt_attach_dynamic(&stats->ptc1522, EVCNT_TYPE_MISC, NULL, 1914 stats->namebuf, "1024-1522 byte frames transmitted"); 1915 } /* ixgbe_add_hw_stats */ 1916 1917 static void 1918 ixgbe_clear_evcnt(struct adapter *adapter) 1919 { 1920 struct tx_ring *txr = adapter->tx_rings; 1921 struct rx_ring *rxr = adapter->rx_rings; 1922 struct ixgbe_hw *hw = &adapter->hw; 1923 struct ixgbe_hw_stats *stats = &adapter->stats.pf; 1924 1925 adapter->handleq.ev_count = 0; 1926 adapter->req.ev_count = 0; 1927 adapter->efbig_tx_dma_setup.ev_count = 0; 1928 adapter->mbuf_defrag_failed.ev_count = 0; 1929 adapter->efbig2_tx_dma_setup.ev_count = 0; 1930 adapter->einval_tx_dma_setup.ev_count = 0; 1931 adapter->other_tx_dma_setup.ev_count = 0; 1932 adapter->eagain_tx_dma_setup.ev_count = 0; 1933 adapter->enomem_tx_dma_setup.ev_count = 0; 1934 adapter->watchdog_events.ev_count = 0; 1935 adapter->tso_err.ev_count = 0; 1936 adapter->link_irq.ev_count = 0; 1937 1938 txr = adapter->tx_rings; 1939 for (int i = 0; i < adapter->num_queues; i++, rxr++, txr++) { 1940 adapter->queues[i].irqs.ev_count = 0; 1941 txr->no_desc_avail.ev_count = 0; 1942 txr->total_packets.ev_count = 0; 1943 txr->tso_tx.ev_count = 0; 1944 #ifndef IXGBE_LEGACY_TX 1945 txr->pcq_drops.ev_count = 0; 1946 #endif 1947 1948 if (i < __arraycount(stats->mpc)) { 1949 stats->mpc[i].ev_count = 0; 1950 if (hw->mac.type == ixgbe_mac_82598EB) 1951 stats->rnbc[i].ev_count = 0; 1952 } 1953 if (i < __arraycount(stats->pxontxc)) { 1954 stats->pxontxc[i].ev_count = 0; 1955 stats->pxonrxc[i].ev_count = 0; 1956 stats->pxofftxc[i].ev_count = 0; 1957 stats->pxoffrxc[i].ev_count = 0; 1958 stats->pxon2offc[i].ev_count = 0; 1959 } 1960 if (i < __arraycount(stats->qprc)) { 1961 stats->qprc[i].ev_count = 0; 1962 stats->qptc[i].ev_count = 0; 1963 stats->qbrc[i].ev_count = 0; 1964 stats->qbtc[i].ev_count = 0; 1965 stats->qprdc[i].ev_count = 0; 1966 } 1967 1968 rxr->rx_packets.ev_count = 0; 1969 rxr->rx_bytes.ev_count = 0; 1970 rxr->rx_copies.ev_count = 0; 1971 rxr->no_jmbuf.ev_count = 0; 1972 rxr->rx_discarded.ev_count = 0; 1973 } 1974 stats->ipcs.ev_count = 0; 1975 stats->l4cs.ev_count = 0; 1976 stats->ipcs_bad.ev_count = 0; 1977 stats->l4cs_bad.ev_count = 0; 1978 stats->intzero.ev_count = 0; 1979 stats->legint.ev_count = 0; 1980 stats->crcerrs.ev_count = 0; 1981 stats->illerrc.ev_count = 0; 1982 stats->errbc.ev_count = 0; 1983 stats->mspdc.ev_count = 0; 1984 stats->mbsdc.ev_count = 0; 1985 stats->mpctotal.ev_count = 0; 1986 stats->mlfc.ev_count = 0; 1987 stats->mrfc.ev_count = 0; 1988 stats->rlec.ev_count = 0; 1989 stats->lxontxc.ev_count = 0; 1990 stats->lxonrxc.ev_count = 0; 1991 stats->lxofftxc.ev_count = 0; 1992 stats->lxoffrxc.ev_count = 0; 1993 1994 /* Packet Reception Stats */ 1995 stats->tor.ev_count = 0; 1996 stats->gorc.ev_count = 0; 1997 stats->tpr.ev_count = 0; 1998 stats->gprc.ev_count = 0; 1999 stats->mprc.ev_count = 0; 2000 stats->bprc.ev_count = 0; 2001 stats->prc64.ev_count = 0; 2002 stats->prc127.ev_count = 0; 2003 stats->prc255.ev_count = 0; 2004 stats->prc511.ev_count = 0; 2005 stats->prc1023.ev_count = 0; 2006 stats->prc1522.ev_count = 0; 2007 stats->ruc.ev_count = 0; 2008 stats->rfc.ev_count = 0; 2009 stats->roc.ev_count = 0; 2010 stats->rjc.ev_count = 0; 2011 stats->mngprc.ev_count = 0; 2012 stats->mngpdc.ev_count = 0; 2013 stats->xec.ev_count = 0; 2014 2015 /* Packet Transmission Stats */ 2016 stats->gotc.ev_count = 0; 2017 stats->tpt.ev_count = 0; 2018 stats->gptc.ev_count = 0; 2019 stats->bptc.ev_count = 0; 2020 stats->mptc.ev_count = 0; 2021 stats->mngptc.ev_count = 0; 2022 stats->ptc64.ev_count = 0; 2023 stats->ptc127.ev_count = 0; 2024 stats->ptc255.ev_count = 0; 2025 stats->ptc511.ev_count = 0; 2026 stats->ptc1023.ev_count = 0; 2027 stats->ptc1522.ev_count = 0; 2028 } 2029 2030 /************************************************************************ 2031 * ixgbe_sysctl_tdh_handler - Transmit Descriptor Head handler function 2032 * 2033 * Retrieves the TDH value from the hardware 2034 ************************************************************************/ 2035 static int 2036 ixgbe_sysctl_tdh_handler(SYSCTLFN_ARGS) 2037 { 2038 struct sysctlnode node = *rnode; 2039 struct tx_ring *txr = (struct tx_ring *)node.sysctl_data; 2040 uint32_t val; 2041 2042 if (!txr) 2043 return (0); 2044 2045 val = IXGBE_READ_REG(&txr->adapter->hw, IXGBE_TDH(txr->me)); 2046 node.sysctl_data = &val; 2047 return sysctl_lookup(SYSCTLFN_CALL(&node)); 2048 } /* ixgbe_sysctl_tdh_handler */ 2049 2050 /************************************************************************ 2051 * ixgbe_sysctl_tdt_handler - Transmit Descriptor Tail handler function 2052 * 2053 * Retrieves the TDT value from the hardware 2054 ************************************************************************/ 2055 static int 2056 ixgbe_sysctl_tdt_handler(SYSCTLFN_ARGS) 2057 { 2058 struct sysctlnode node = *rnode; 2059 struct tx_ring *txr = (struct tx_ring *)node.sysctl_data; 2060 uint32_t val; 2061 2062 if (!txr) 2063 return (0); 2064 2065 val = IXGBE_READ_REG(&txr->adapter->hw, IXGBE_TDT(txr->me)); 2066 node.sysctl_data = &val; 2067 return sysctl_lookup(SYSCTLFN_CALL(&node)); 2068 } /* ixgbe_sysctl_tdt_handler */ 2069 2070 /************************************************************************ 2071 * ixgbe_sysctl_rdh_handler - Receive Descriptor Head handler function 2072 * 2073 * Retrieves the RDH value from the hardware 2074 ************************************************************************/ 2075 static int 2076 ixgbe_sysctl_rdh_handler(SYSCTLFN_ARGS) 2077 { 2078 struct sysctlnode node = *rnode; 2079 struct rx_ring *rxr = (struct rx_ring *)node.sysctl_data; 2080 uint32_t val; 2081 2082 if (!rxr) 2083 return (0); 2084 2085 val = IXGBE_READ_REG(&rxr->adapter->hw, IXGBE_RDH(rxr->me)); 2086 node.sysctl_data = &val; 2087 return sysctl_lookup(SYSCTLFN_CALL(&node)); 2088 } /* ixgbe_sysctl_rdh_handler */ 2089 2090 /************************************************************************ 2091 * ixgbe_sysctl_rdt_handler - Receive Descriptor Tail handler function 2092 * 2093 * Retrieves the RDT value from the hardware 2094 ************************************************************************/ 2095 static int 2096 ixgbe_sysctl_rdt_handler(SYSCTLFN_ARGS) 2097 { 2098 struct sysctlnode node = *rnode; 2099 struct rx_ring *rxr = (struct rx_ring *)node.sysctl_data; 2100 uint32_t val; 2101 2102 if (!rxr) 2103 return (0); 2104 2105 val = IXGBE_READ_REG(&rxr->adapter->hw, IXGBE_RDT(rxr->me)); 2106 node.sysctl_data = &val; 2107 return sysctl_lookup(SYSCTLFN_CALL(&node)); 2108 } /* ixgbe_sysctl_rdt_handler */ 2109 2110 #if 0 /* XXX Badly need to overhaul vlan(4) on NetBSD. */ 2111 /************************************************************************ 2112 * ixgbe_register_vlan 2113 * 2114 * Run via vlan config EVENT, it enables us to use the 2115 * HW Filter table since we can get the vlan id. This 2116 * just creates the entry in the soft version of the 2117 * VFTA, init will repopulate the real table. 2118 ************************************************************************/ 2119 static void 2120 ixgbe_register_vlan(void *arg, struct ifnet *ifp, u16 vtag) 2121 { 2122 struct adapter *adapter = ifp->if_softc; 2123 u16 index, bit; 2124 2125 if (ifp->if_softc != arg) /* Not our event */ 2126 return; 2127 2128 if ((vtag == 0) || (vtag > 4095)) /* Invalid */ 2129 return; 2130 2131 IXGBE_CORE_LOCK(adapter); 2132 index = (vtag >> 5) & 0x7F; 2133 bit = vtag & 0x1F; 2134 adapter->shadow_vfta[index] |= (1 << bit); 2135 ixgbe_setup_vlan_hw_support(adapter); 2136 IXGBE_CORE_UNLOCK(adapter); 2137 } /* ixgbe_register_vlan */ 2138 2139 /************************************************************************ 2140 * ixgbe_unregister_vlan 2141 * 2142 * Run via vlan unconfig EVENT, remove our entry in the soft vfta. 2143 ************************************************************************/ 2144 static void 2145 ixgbe_unregister_vlan(void *arg, struct ifnet *ifp, u16 vtag) 2146 { 2147 struct adapter *adapter = ifp->if_softc; 2148 u16 index, bit; 2149 2150 if (ifp->if_softc != arg) 2151 return; 2152 2153 if ((vtag == 0) || (vtag > 4095)) /* Invalid */ 2154 return; 2155 2156 IXGBE_CORE_LOCK(adapter); 2157 index = (vtag >> 5) & 0x7F; 2158 bit = vtag & 0x1F; 2159 adapter->shadow_vfta[index] &= ~(1 << bit); 2160 /* Re-init to load the changes */ 2161 ixgbe_setup_vlan_hw_support(adapter); 2162 IXGBE_CORE_UNLOCK(adapter); 2163 } /* ixgbe_unregister_vlan */ 2164 #endif 2165 2166 static void 2167 ixgbe_setup_vlan_hw_support(struct adapter *adapter) 2168 { 2169 struct ethercom *ec = &adapter->osdep.ec; 2170 struct ixgbe_hw *hw = &adapter->hw; 2171 struct rx_ring *rxr; 2172 int i; 2173 u32 ctrl; 2174 2175 2176 /* 2177 * We get here thru init_locked, meaning 2178 * a soft reset, this has already cleared 2179 * the VFTA and other state, so if there 2180 * have been no vlan's registered do nothing. 2181 */ 2182 if (!VLAN_ATTACHED(&adapter->osdep.ec)) 2183 return; 2184 2185 /* Setup the queues for vlans */ 2186 if (ec->ec_capenable & ETHERCAP_VLAN_HWTAGGING) { 2187 for (i = 0; i < adapter->num_queues; i++) { 2188 rxr = &adapter->rx_rings[i]; 2189 /* On 82599 the VLAN enable is per/queue in RXDCTL */ 2190 if (hw->mac.type != ixgbe_mac_82598EB) { 2191 ctrl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(rxr->me)); 2192 ctrl |= IXGBE_RXDCTL_VME; 2193 IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(rxr->me), ctrl); 2194 } 2195 rxr->vtag_strip = TRUE; 2196 } 2197 } 2198 2199 if ((ec->ec_capenable & ETHERCAP_VLAN_HWFILTER) == 0) 2200 return; 2201 /* 2202 * A soft reset zero's out the VFTA, so 2203 * we need to repopulate it now. 2204 */ 2205 for (i = 0; i < IXGBE_VFTA_SIZE; i++) 2206 if (adapter->shadow_vfta[i] != 0) 2207 IXGBE_WRITE_REG(hw, IXGBE_VFTA(i), 2208 adapter->shadow_vfta[i]); 2209 2210 ctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL); 2211 /* Enable the Filter Table if enabled */ 2212 if (ec->ec_capenable & ETHERCAP_VLAN_HWFILTER) { 2213 ctrl &= ~IXGBE_VLNCTRL_CFIEN; 2214 ctrl |= IXGBE_VLNCTRL_VFE; 2215 } 2216 if (hw->mac.type == ixgbe_mac_82598EB) 2217 ctrl |= IXGBE_VLNCTRL_VME; 2218 IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, ctrl); 2219 } /* ixgbe_setup_vlan_hw_support */ 2220 2221 /************************************************************************ 2222 * ixgbe_get_slot_info 2223 * 2224 * Get the width and transaction speed of 2225 * the slot this adapter is plugged into. 2226 ************************************************************************/ 2227 static void 2228 ixgbe_get_slot_info(struct adapter *adapter) 2229 { 2230 device_t dev = adapter->dev; 2231 struct ixgbe_hw *hw = &adapter->hw; 2232 u32 offset; 2233 // struct ixgbe_mac_info *mac = &hw->mac; 2234 u16 link; 2235 int bus_info_valid = TRUE; 2236 2237 /* Some devices are behind an internal bridge */ 2238 switch (hw->device_id) { 2239 case IXGBE_DEV_ID_82599_SFP_SF_QP: 2240 case IXGBE_DEV_ID_82599_QSFP_SF_QP: 2241 goto get_parent_info; 2242 default: 2243 break; 2244 } 2245 2246 ixgbe_get_bus_info(hw); 2247 2248 /* 2249 * Some devices don't use PCI-E, but there is no need 2250 * to display "Unknown" for bus speed and width. 2251 */ 2252 switch (hw->mac.type) { 2253 case ixgbe_mac_X550EM_x: 2254 case ixgbe_mac_X550EM_a: 2255 return; 2256 default: 2257 goto display; 2258 } 2259 2260 get_parent_info: 2261 /* 2262 * For the Quad port adapter we need to parse back 2263 * up the PCI tree to find the speed of the expansion 2264 * slot into which this adapter is plugged. A bit more work. 2265 */ 2266 dev = device_parent(device_parent(dev)); 2267 #if 0 2268 #ifdef IXGBE_DEBUG 2269 device_printf(dev, "parent pcib = %x,%x,%x\n", pci_get_bus(dev), 2270 pci_get_slot(dev), pci_get_function(dev)); 2271 #endif 2272 dev = device_parent(device_parent(dev)); 2273 #ifdef IXGBE_DEBUG 2274 device_printf(dev, "slot pcib = %x,%x,%x\n", pci_get_bus(dev), 2275 pci_get_slot(dev), pci_get_function(dev)); 2276 #endif 2277 #endif 2278 /* Now get the PCI Express Capabilities offset */ 2279 if (pci_get_capability(adapter->osdep.pc, adapter->osdep.tag, 2280 PCI_CAP_PCIEXPRESS, &offset, NULL)) { 2281 /* 2282 * Hmm...can't get PCI-Express capabilities. 2283 * Falling back to default method. 2284 */ 2285 bus_info_valid = FALSE; 2286 ixgbe_get_bus_info(hw); 2287 goto display; 2288 } 2289 /* ...and read the Link Status Register */ 2290 link = pci_conf_read(adapter->osdep.pc, adapter->osdep.tag, 2291 offset + PCIE_LCSR); 2292 ixgbe_set_pci_config_data_generic(hw, link >> 16); 2293 2294 display: 2295 device_printf(dev, "PCI Express Bus: Speed %s Width %s\n", 2296 ((hw->bus.speed == ixgbe_bus_speed_8000) ? "8.0GT/s" : 2297 (hw->bus.speed == ixgbe_bus_speed_5000) ? "5.0GT/s" : 2298 (hw->bus.speed == ixgbe_bus_speed_2500) ? "2.5GT/s" : 2299 "Unknown"), 2300 ((hw->bus.width == ixgbe_bus_width_pcie_x8) ? "x8" : 2301 (hw->bus.width == ixgbe_bus_width_pcie_x4) ? "x4" : 2302 (hw->bus.width == ixgbe_bus_width_pcie_x1) ? "x1" : 2303 "Unknown")); 2304 2305 if (bus_info_valid) { 2306 if ((hw->device_id != IXGBE_DEV_ID_82599_SFP_SF_QP) && 2307 ((hw->bus.width <= ixgbe_bus_width_pcie_x4) && 2308 (hw->bus.speed == ixgbe_bus_speed_2500))) { 2309 device_printf(dev, "PCI-Express bandwidth available" 2310 " for this card\n is not sufficient for" 2311 " optimal performance.\n"); 2312 device_printf(dev, "For optimal performance a x8 " 2313 "PCIE, or x4 PCIE Gen2 slot is required.\n"); 2314 } 2315 if ((hw->device_id == IXGBE_DEV_ID_82599_SFP_SF_QP) && 2316 ((hw->bus.width <= ixgbe_bus_width_pcie_x8) && 2317 (hw->bus.speed < ixgbe_bus_speed_8000))) { 2318 device_printf(dev, "PCI-Express bandwidth available" 2319 " for this card\n is not sufficient for" 2320 " optimal performance.\n"); 2321 device_printf(dev, "For optimal performance a x8 " 2322 "PCIE Gen3 slot is required.\n"); 2323 } 2324 } else 2325 device_printf(dev, "Unable to determine slot speed/width. The speed/width reported are that of the internal switch.\n"); 2326 2327 return; 2328 } /* ixgbe_get_slot_info */ 2329 2330 /************************************************************************ 2331 * ixgbe_enable_queue - MSI-X Interrupt Handlers and Tasklets 2332 ************************************************************************/ 2333 static inline void 2334 ixgbe_enable_queue(struct adapter *adapter, u32 vector) 2335 { 2336 struct ixgbe_hw *hw = &adapter->hw; 2337 u64 queue = (u64)(1ULL << vector); 2338 u32 mask; 2339 2340 if (hw->mac.type == ixgbe_mac_82598EB) { 2341 mask = (IXGBE_EIMS_RTX_QUEUE & queue); 2342 IXGBE_WRITE_REG(hw, IXGBE_EIMS, mask); 2343 } else { 2344 mask = (queue & 0xFFFFFFFF); 2345 if (mask) 2346 IXGBE_WRITE_REG(hw, IXGBE_EIMS_EX(0), mask); 2347 mask = (queue >> 32); 2348 if (mask) 2349 IXGBE_WRITE_REG(hw, IXGBE_EIMS_EX(1), mask); 2350 } 2351 } /* ixgbe_enable_queue */ 2352 2353 /************************************************************************ 2354 * ixgbe_disable_queue 2355 ************************************************************************/ 2356 static inline void 2357 ixgbe_disable_queue(struct adapter *adapter, u32 vector) 2358 { 2359 struct ixgbe_hw *hw = &adapter->hw; 2360 u64 queue = (u64)(1ULL << vector); 2361 u32 mask; 2362 2363 if (hw->mac.type == ixgbe_mac_82598EB) { 2364 mask = (IXGBE_EIMS_RTX_QUEUE & queue); 2365 IXGBE_WRITE_REG(hw, IXGBE_EIMC, mask); 2366 } else { 2367 mask = (queue & 0xFFFFFFFF); 2368 if (mask) 2369 IXGBE_WRITE_REG(hw, IXGBE_EIMC_EX(0), mask); 2370 mask = (queue >> 32); 2371 if (mask) 2372 IXGBE_WRITE_REG(hw, IXGBE_EIMC_EX(1), mask); 2373 } 2374 } /* ixgbe_disable_queue */ 2375 2376 /************************************************************************ 2377 * ixgbe_msix_que - MSI-X Queue Interrupt Service routine 2378 ************************************************************************/ 2379 static int 2380 ixgbe_msix_que(void *arg) 2381 { 2382 struct ix_queue *que = arg; 2383 struct adapter *adapter = que->adapter; 2384 struct ifnet *ifp = adapter->ifp; 2385 struct tx_ring *txr = que->txr; 2386 struct rx_ring *rxr = que->rxr; 2387 bool more; 2388 u32 newitr = 0; 2389 2390 /* Protect against spurious interrupts */ 2391 if ((ifp->if_flags & IFF_RUNNING) == 0) 2392 return 0; 2393 2394 ixgbe_disable_queue(adapter, que->msix); 2395 ++que->irqs.ev_count; 2396 2397 #ifdef __NetBSD__ 2398 /* Don't run ixgbe_rxeof in interrupt context */ 2399 more = true; 2400 #else 2401 more = ixgbe_rxeof(que); 2402 #endif 2403 2404 IXGBE_TX_LOCK(txr); 2405 ixgbe_txeof(txr); 2406 IXGBE_TX_UNLOCK(txr); 2407 2408 /* Do AIM now? */ 2409 2410 if (adapter->enable_aim == false) 2411 goto no_calc; 2412 /* 2413 * Do Adaptive Interrupt Moderation: 2414 * - Write out last calculated setting 2415 * - Calculate based on average size over 2416 * the last interval. 2417 */ 2418 if (que->eitr_setting) 2419 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EITR(que->msix), 2420 que->eitr_setting); 2421 2422 que->eitr_setting = 0; 2423 2424 /* Idle, do nothing */ 2425 if ((txr->bytes == 0) && (rxr->bytes == 0)) 2426 goto no_calc; 2427 2428 if ((txr->bytes) && (txr->packets)) 2429 newitr = txr->bytes/txr->packets; 2430 if ((rxr->bytes) && (rxr->packets)) 2431 newitr = max(newitr, (rxr->bytes / rxr->packets)); 2432 newitr += 24; /* account for hardware frame, crc */ 2433 2434 /* set an upper boundary */ 2435 newitr = min(newitr, 3000); 2436 2437 /* Be nice to the mid range */ 2438 if ((newitr > 300) && (newitr < 1200)) 2439 newitr = (newitr / 3); 2440 else 2441 newitr = (newitr / 2); 2442 2443 if (adapter->hw.mac.type == ixgbe_mac_82598EB) 2444 newitr |= newitr << 16; 2445 else 2446 newitr |= IXGBE_EITR_CNT_WDIS; 2447 2448 /* save for next interrupt */ 2449 que->eitr_setting = newitr; 2450 2451 /* Reset state */ 2452 txr->bytes = 0; 2453 txr->packets = 0; 2454 rxr->bytes = 0; 2455 rxr->packets = 0; 2456 2457 no_calc: 2458 if (more) 2459 softint_schedule(que->que_si); 2460 else 2461 ixgbe_enable_queue(adapter, que->msix); 2462 2463 return 1; 2464 } /* ixgbe_msix_que */ 2465 2466 /************************************************************************ 2467 * ixgbe_media_status - Media Ioctl callback 2468 * 2469 * Called whenever the user queries the status of 2470 * the interface using ifconfig. 2471 ************************************************************************/ 2472 static void 2473 ixgbe_media_status(struct ifnet *ifp, struct ifmediareq *ifmr) 2474 { 2475 struct adapter *adapter = ifp->if_softc; 2476 struct ixgbe_hw *hw = &adapter->hw; 2477 int layer; 2478 2479 INIT_DEBUGOUT("ixgbe_media_status: begin"); 2480 IXGBE_CORE_LOCK(adapter); 2481 ixgbe_update_link_status(adapter); 2482 2483 ifmr->ifm_status = IFM_AVALID; 2484 ifmr->ifm_active = IFM_ETHER; 2485 2486 if (!adapter->link_active) { 2487 ifmr->ifm_active |= IFM_NONE; 2488 IXGBE_CORE_UNLOCK(adapter); 2489 return; 2490 } 2491 2492 ifmr->ifm_status |= IFM_ACTIVE; 2493 layer = adapter->phy_layer; 2494 2495 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_T || 2496 layer & IXGBE_PHYSICAL_LAYER_5GBASE_T || 2497 layer & IXGBE_PHYSICAL_LAYER_2500BASE_T || 2498 layer & IXGBE_PHYSICAL_LAYER_1000BASE_T || 2499 layer & IXGBE_PHYSICAL_LAYER_100BASE_TX || 2500 layer & IXGBE_PHYSICAL_LAYER_10BASE_T) 2501 switch (adapter->link_speed) { 2502 case IXGBE_LINK_SPEED_10GB_FULL: 2503 ifmr->ifm_active |= IFM_10G_T | IFM_FDX; 2504 break; 2505 case IXGBE_LINK_SPEED_5GB_FULL: 2506 ifmr->ifm_active |= IFM_5000_T | IFM_FDX; 2507 break; 2508 case IXGBE_LINK_SPEED_2_5GB_FULL: 2509 ifmr->ifm_active |= IFM_2500_T | IFM_FDX; 2510 break; 2511 case IXGBE_LINK_SPEED_1GB_FULL: 2512 ifmr->ifm_active |= IFM_1000_T | IFM_FDX; 2513 break; 2514 case IXGBE_LINK_SPEED_100_FULL: 2515 ifmr->ifm_active |= IFM_100_TX | IFM_FDX; 2516 break; 2517 case IXGBE_LINK_SPEED_10_FULL: 2518 ifmr->ifm_active |= IFM_10_T | IFM_FDX; 2519 break; 2520 } 2521 if (layer & IXGBE_PHYSICAL_LAYER_SFP_PLUS_CU || 2522 layer & IXGBE_PHYSICAL_LAYER_SFP_ACTIVE_DA) 2523 switch (adapter->link_speed) { 2524 case IXGBE_LINK_SPEED_10GB_FULL: 2525 ifmr->ifm_active |= IFM_10G_TWINAX | IFM_FDX; 2526 break; 2527 } 2528 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_LR) 2529 switch (adapter->link_speed) { 2530 case IXGBE_LINK_SPEED_10GB_FULL: 2531 ifmr->ifm_active |= IFM_10G_LR | IFM_FDX; 2532 break; 2533 case IXGBE_LINK_SPEED_1GB_FULL: 2534 ifmr->ifm_active |= IFM_1000_LX | IFM_FDX; 2535 break; 2536 } 2537 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_LRM) 2538 switch (adapter->link_speed) { 2539 case IXGBE_LINK_SPEED_10GB_FULL: 2540 ifmr->ifm_active |= IFM_10G_LRM | IFM_FDX; 2541 break; 2542 case IXGBE_LINK_SPEED_1GB_FULL: 2543 ifmr->ifm_active |= IFM_1000_LX | IFM_FDX; 2544 break; 2545 } 2546 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_SR || 2547 layer & IXGBE_PHYSICAL_LAYER_1000BASE_SX) 2548 switch (adapter->link_speed) { 2549 case IXGBE_LINK_SPEED_10GB_FULL: 2550 ifmr->ifm_active |= IFM_10G_SR | IFM_FDX; 2551 break; 2552 case IXGBE_LINK_SPEED_1GB_FULL: 2553 ifmr->ifm_active |= IFM_1000_SX | IFM_FDX; 2554 break; 2555 } 2556 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_CX4) 2557 switch (adapter->link_speed) { 2558 case IXGBE_LINK_SPEED_10GB_FULL: 2559 ifmr->ifm_active |= IFM_10G_CX4 | IFM_FDX; 2560 break; 2561 } 2562 /* 2563 * XXX: These need to use the proper media types once 2564 * they're added. 2565 */ 2566 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KR) 2567 switch (adapter->link_speed) { 2568 case IXGBE_LINK_SPEED_10GB_FULL: 2569 #ifndef IFM_ETH_XTYPE 2570 ifmr->ifm_active |= IFM_10G_SR | IFM_FDX; 2571 #else 2572 ifmr->ifm_active |= IFM_10G_KR | IFM_FDX; 2573 #endif 2574 break; 2575 case IXGBE_LINK_SPEED_2_5GB_FULL: 2576 ifmr->ifm_active |= IFM_2500_KX | IFM_FDX; 2577 break; 2578 case IXGBE_LINK_SPEED_1GB_FULL: 2579 ifmr->ifm_active |= IFM_1000_KX | IFM_FDX; 2580 break; 2581 } 2582 else if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KX4 || 2583 layer & IXGBE_PHYSICAL_LAYER_2500BASE_KX || 2584 layer & IXGBE_PHYSICAL_LAYER_1000BASE_KX) 2585 switch (adapter->link_speed) { 2586 case IXGBE_LINK_SPEED_10GB_FULL: 2587 #ifndef IFM_ETH_XTYPE 2588 ifmr->ifm_active |= IFM_10G_CX4 | IFM_FDX; 2589 #else 2590 ifmr->ifm_active |= IFM_10G_KX4 | IFM_FDX; 2591 #endif 2592 break; 2593 case IXGBE_LINK_SPEED_2_5GB_FULL: 2594 ifmr->ifm_active |= IFM_2500_KX | IFM_FDX; 2595 break; 2596 case IXGBE_LINK_SPEED_1GB_FULL: 2597 ifmr->ifm_active |= IFM_1000_KX | IFM_FDX; 2598 break; 2599 } 2600 2601 /* If nothing is recognized... */ 2602 #if 0 2603 if (IFM_SUBTYPE(ifmr->ifm_active) == 0) 2604 ifmr->ifm_active |= IFM_UNKNOWN; 2605 #endif 2606 2607 ifp->if_baudrate = ifmedia_baudrate(ifmr->ifm_active); 2608 2609 /* Display current flow control setting used on link */ 2610 if (hw->fc.current_mode == ixgbe_fc_rx_pause || 2611 hw->fc.current_mode == ixgbe_fc_full) 2612 ifmr->ifm_active |= IFM_ETH_RXPAUSE; 2613 if (hw->fc.current_mode == ixgbe_fc_tx_pause || 2614 hw->fc.current_mode == ixgbe_fc_full) 2615 ifmr->ifm_active |= IFM_ETH_TXPAUSE; 2616 2617 IXGBE_CORE_UNLOCK(adapter); 2618 2619 return; 2620 } /* ixgbe_media_status */ 2621 2622 /************************************************************************ 2623 * ixgbe_media_change - Media Ioctl callback 2624 * 2625 * Called when the user changes speed/duplex using 2626 * media/mediopt option with ifconfig. 2627 ************************************************************************/ 2628 static int 2629 ixgbe_media_change(struct ifnet *ifp) 2630 { 2631 struct adapter *adapter = ifp->if_softc; 2632 struct ifmedia *ifm = &adapter->media; 2633 struct ixgbe_hw *hw = &adapter->hw; 2634 ixgbe_link_speed speed = 0; 2635 ixgbe_link_speed link_caps = 0; 2636 bool negotiate = false; 2637 s32 err = IXGBE_NOT_IMPLEMENTED; 2638 2639 INIT_DEBUGOUT("ixgbe_media_change: begin"); 2640 2641 if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER) 2642 return (EINVAL); 2643 2644 if (hw->phy.media_type == ixgbe_media_type_backplane) 2645 return (ENODEV); 2646 2647 /* 2648 * We don't actually need to check against the supported 2649 * media types of the adapter; ifmedia will take care of 2650 * that for us. 2651 */ 2652 switch (IFM_SUBTYPE(ifm->ifm_media)) { 2653 case IFM_AUTO: 2654 err = hw->mac.ops.get_link_capabilities(hw, &link_caps, 2655 &negotiate); 2656 if (err != IXGBE_SUCCESS) { 2657 device_printf(adapter->dev, "Unable to determine " 2658 "supported advertise speeds\n"); 2659 return (ENODEV); 2660 } 2661 speed |= link_caps; 2662 break; 2663 case IFM_10G_T: 2664 case IFM_10G_LRM: 2665 case IFM_10G_LR: 2666 case IFM_10G_TWINAX: 2667 #ifndef IFM_ETH_XTYPE 2668 case IFM_10G_SR: /* KR, too */ 2669 case IFM_10G_CX4: /* KX4 */ 2670 #else 2671 case IFM_10G_KR: 2672 case IFM_10G_KX4: 2673 #endif 2674 speed |= IXGBE_LINK_SPEED_10GB_FULL; 2675 break; 2676 case IFM_5000_T: 2677 speed |= IXGBE_LINK_SPEED_5GB_FULL; 2678 break; 2679 case IFM_2500_T: 2680 case IFM_2500_KX: 2681 speed |= IXGBE_LINK_SPEED_2_5GB_FULL; 2682 break; 2683 case IFM_1000_T: 2684 case IFM_1000_LX: 2685 case IFM_1000_SX: 2686 case IFM_1000_KX: 2687 speed |= IXGBE_LINK_SPEED_1GB_FULL; 2688 break; 2689 case IFM_100_TX: 2690 speed |= IXGBE_LINK_SPEED_100_FULL; 2691 break; 2692 case IFM_10_T: 2693 speed |= IXGBE_LINK_SPEED_10_FULL; 2694 break; 2695 default: 2696 goto invalid; 2697 } 2698 2699 hw->mac.autotry_restart = TRUE; 2700 hw->mac.ops.setup_link(hw, speed, TRUE); 2701 adapter->advertise = 0; 2702 if (IFM_SUBTYPE(ifm->ifm_media) != IFM_AUTO) { 2703 if ((speed & IXGBE_LINK_SPEED_10GB_FULL) != 0) 2704 adapter->advertise |= 1 << 2; 2705 if ((speed & IXGBE_LINK_SPEED_1GB_FULL) != 0) 2706 adapter->advertise |= 1 << 1; 2707 if ((speed & IXGBE_LINK_SPEED_100_FULL) != 0) 2708 adapter->advertise |= 1 << 0; 2709 if ((speed & IXGBE_LINK_SPEED_10_FULL) != 0) 2710 adapter->advertise |= 1 << 3; 2711 if ((speed & IXGBE_LINK_SPEED_2_5GB_FULL) != 0) 2712 adapter->advertise |= 1 << 4; 2713 if ((speed & IXGBE_LINK_SPEED_5GB_FULL) != 0) 2714 adapter->advertise |= 1 << 5; 2715 } 2716 2717 return (0); 2718 2719 invalid: 2720 device_printf(adapter->dev, "Invalid media type!\n"); 2721 2722 return (EINVAL); 2723 } /* ixgbe_media_change */ 2724 2725 /************************************************************************ 2726 * ixgbe_set_promisc 2727 ************************************************************************/ 2728 static void 2729 ixgbe_set_promisc(struct adapter *adapter) 2730 { 2731 struct ifnet *ifp = adapter->ifp; 2732 int mcnt = 0; 2733 u32 rctl; 2734 struct ether_multi *enm; 2735 struct ether_multistep step; 2736 struct ethercom *ec = &adapter->osdep.ec; 2737 2738 KASSERT(mutex_owned(&adapter->core_mtx)); 2739 rctl = IXGBE_READ_REG(&adapter->hw, IXGBE_FCTRL); 2740 rctl &= (~IXGBE_FCTRL_UPE); 2741 if (ifp->if_flags & IFF_ALLMULTI) 2742 mcnt = MAX_NUM_MULTICAST_ADDRESSES; 2743 else { 2744 ETHER_LOCK(ec); 2745 ETHER_FIRST_MULTI(step, ec, enm); 2746 while (enm != NULL) { 2747 if (mcnt == MAX_NUM_MULTICAST_ADDRESSES) 2748 break; 2749 mcnt++; 2750 ETHER_NEXT_MULTI(step, enm); 2751 } 2752 ETHER_UNLOCK(ec); 2753 } 2754 if (mcnt < MAX_NUM_MULTICAST_ADDRESSES) 2755 rctl &= (~IXGBE_FCTRL_MPE); 2756 IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCTRL, rctl); 2757 2758 if (ifp->if_flags & IFF_PROMISC) { 2759 rctl |= (IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE); 2760 IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCTRL, rctl); 2761 } else if (ifp->if_flags & IFF_ALLMULTI) { 2762 rctl |= IXGBE_FCTRL_MPE; 2763 rctl &= ~IXGBE_FCTRL_UPE; 2764 IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCTRL, rctl); 2765 } 2766 } /* ixgbe_set_promisc */ 2767 2768 /************************************************************************ 2769 * ixgbe_msix_link - Link status change ISR (MSI/MSI-X) 2770 ************************************************************************/ 2771 static int 2772 ixgbe_msix_link(void *arg) 2773 { 2774 struct adapter *adapter = arg; 2775 struct ixgbe_hw *hw = &adapter->hw; 2776 u32 eicr, eicr_mask; 2777 s32 retval; 2778 2779 ++adapter->link_irq.ev_count; 2780 2781 /* Pause other interrupts */ 2782 IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_EIMC_OTHER); 2783 2784 /* First get the cause */ 2785 eicr = IXGBE_READ_REG(hw, IXGBE_EICS); 2786 /* Be sure the queue bits are not cleared */ 2787 eicr &= ~IXGBE_EICR_RTX_QUEUE; 2788 /* Clear interrupt with write */ 2789 IXGBE_WRITE_REG(hw, IXGBE_EICR, eicr); 2790 2791 /* Link status change */ 2792 if (eicr & IXGBE_EICR_LSC) { 2793 IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_EIMC_LSC); 2794 softint_schedule(adapter->link_si); 2795 } 2796 2797 if (adapter->hw.mac.type != ixgbe_mac_82598EB) { 2798 if ((adapter->feat_en & IXGBE_FEATURE_FDIR) && 2799 (eicr & IXGBE_EICR_FLOW_DIR)) { 2800 /* This is probably overkill :) */ 2801 if (!atomic_cas_uint(&adapter->fdir_reinit, 0, 1)) 2802 return 1; 2803 /* Disable the interrupt */ 2804 IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_EIMC_FLOW_DIR); 2805 softint_schedule(adapter->fdir_si); 2806 } 2807 2808 if (eicr & IXGBE_EICR_ECC) { 2809 device_printf(adapter->dev, 2810 "CRITICAL: ECC ERROR!! Please Reboot!!\n"); 2811 IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_ECC); 2812 } 2813 2814 /* Check for over temp condition */ 2815 if (adapter->feat_en & IXGBE_FEATURE_TEMP_SENSOR) { 2816 switch (adapter->hw.mac.type) { 2817 case ixgbe_mac_X550EM_a: 2818 if (!(eicr & IXGBE_EICR_GPI_SDP0_X550EM_a)) 2819 break; 2820 IXGBE_WRITE_REG(hw, IXGBE_EIMC, 2821 IXGBE_EICR_GPI_SDP0_X550EM_a); 2822 IXGBE_WRITE_REG(hw, IXGBE_EICR, 2823 IXGBE_EICR_GPI_SDP0_X550EM_a); 2824 retval = hw->phy.ops.check_overtemp(hw); 2825 if (retval != IXGBE_ERR_OVERTEMP) 2826 break; 2827 device_printf(adapter->dev, "CRITICAL: OVER TEMP!! PHY IS SHUT DOWN!!\n"); 2828 device_printf(adapter->dev, "System shutdown required!\n"); 2829 break; 2830 default: 2831 if (!(eicr & IXGBE_EICR_TS)) 2832 break; 2833 retval = hw->phy.ops.check_overtemp(hw); 2834 if (retval != IXGBE_ERR_OVERTEMP) 2835 break; 2836 device_printf(adapter->dev, "CRITICAL: OVER TEMP!! PHY IS SHUT DOWN!!\n"); 2837 device_printf(adapter->dev, "System shutdown required!\n"); 2838 IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_TS); 2839 break; 2840 } 2841 } 2842 2843 /* Check for VF message */ 2844 if ((adapter->feat_en & IXGBE_FEATURE_SRIOV) && 2845 (eicr & IXGBE_EICR_MAILBOX)) 2846 softint_schedule(adapter->mbx_si); 2847 } 2848 2849 if (ixgbe_is_sfp(hw)) { 2850 /* Pluggable optics-related interrupt */ 2851 if (hw->mac.type >= ixgbe_mac_X540) 2852 eicr_mask = IXGBE_EICR_GPI_SDP0_X540; 2853 else 2854 eicr_mask = IXGBE_EICR_GPI_SDP2_BY_MAC(hw); 2855 2856 if (eicr & eicr_mask) { 2857 IXGBE_WRITE_REG(hw, IXGBE_EICR, eicr_mask); 2858 softint_schedule(adapter->mod_si); 2859 } 2860 2861 if ((hw->mac.type == ixgbe_mac_82599EB) && 2862 (eicr & IXGBE_EICR_GPI_SDP1_BY_MAC(hw))) { 2863 IXGBE_WRITE_REG(hw, IXGBE_EICR, 2864 IXGBE_EICR_GPI_SDP1_BY_MAC(hw)); 2865 softint_schedule(adapter->msf_si); 2866 } 2867 } 2868 2869 /* Check for fan failure */ 2870 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) { 2871 ixgbe_check_fan_failure(adapter, eicr, TRUE); 2872 IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_GPI_SDP1_BY_MAC(hw)); 2873 } 2874 2875 /* External PHY interrupt */ 2876 if ((hw->phy.type == ixgbe_phy_x550em_ext_t) && 2877 (eicr & IXGBE_EICR_GPI_SDP0_X540)) { 2878 IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_GPI_SDP0_X540); 2879 softint_schedule(adapter->phy_si); 2880 } 2881 2882 /* Re-enable other interrupts */ 2883 IXGBE_WRITE_REG(hw, IXGBE_EIMS, IXGBE_EIMS_OTHER); 2884 return 1; 2885 } /* ixgbe_msix_link */ 2886 2887 /************************************************************************ 2888 * ixgbe_sysctl_interrupt_rate_handler 2889 ************************************************************************/ 2890 static int 2891 ixgbe_sysctl_interrupt_rate_handler(SYSCTLFN_ARGS) 2892 { 2893 struct sysctlnode node = *rnode; 2894 struct ix_queue *que = (struct ix_queue *)node.sysctl_data; 2895 uint32_t reg, usec, rate; 2896 int error; 2897 2898 if (que == NULL) 2899 return 0; 2900 reg = IXGBE_READ_REG(&que->adapter->hw, IXGBE_EITR(que->msix)); 2901 usec = ((reg & 0x0FF8) >> 3); 2902 if (usec > 0) 2903 rate = 500000 / usec; 2904 else 2905 rate = 0; 2906 node.sysctl_data = &rate; 2907 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 2908 if (error || newp == NULL) 2909 return error; 2910 reg &= ~0xfff; /* default, no limitation */ 2911 ixgbe_max_interrupt_rate = 0; 2912 if (rate > 0 && rate < 500000) { 2913 if (rate < 1000) 2914 rate = 1000; 2915 ixgbe_max_interrupt_rate = rate; 2916 reg |= ((4000000/rate) & 0xff8); 2917 } 2918 IXGBE_WRITE_REG(&que->adapter->hw, IXGBE_EITR(que->msix), reg); 2919 2920 return (0); 2921 } /* ixgbe_sysctl_interrupt_rate_handler */ 2922 2923 const struct sysctlnode * 2924 ixgbe_sysctl_instance(struct adapter *adapter) 2925 { 2926 const char *dvname; 2927 struct sysctllog **log; 2928 int rc; 2929 const struct sysctlnode *rnode; 2930 2931 if (adapter->sysctltop != NULL) 2932 return adapter->sysctltop; 2933 2934 log = &adapter->sysctllog; 2935 dvname = device_xname(adapter->dev); 2936 2937 if ((rc = sysctl_createv(log, 0, NULL, &rnode, 2938 0, CTLTYPE_NODE, dvname, 2939 SYSCTL_DESCR("ixgbe information and settings"), 2940 NULL, 0, NULL, 0, CTL_HW, CTL_CREATE, CTL_EOL)) != 0) 2941 goto err; 2942 2943 return rnode; 2944 err: 2945 printf("%s: sysctl_createv failed, rc = %d\n", __func__, rc); 2946 return NULL; 2947 } 2948 2949 /************************************************************************ 2950 * ixgbe_add_device_sysctls 2951 ************************************************************************/ 2952 static void 2953 ixgbe_add_device_sysctls(struct adapter *adapter) 2954 { 2955 device_t dev = adapter->dev; 2956 struct ixgbe_hw *hw = &adapter->hw; 2957 struct sysctllog **log; 2958 const struct sysctlnode *rnode, *cnode; 2959 2960 log = &adapter->sysctllog; 2961 2962 if ((rnode = ixgbe_sysctl_instance(adapter)) == NULL) { 2963 aprint_error_dev(dev, "could not create sysctl root\n"); 2964 return; 2965 } 2966 2967 if (sysctl_createv(log, 0, &rnode, &cnode, 2968 CTLFLAG_READONLY, CTLTYPE_INT, 2969 "num_rx_desc", SYSCTL_DESCR("Number of rx descriptors"), 2970 NULL, 0, &adapter->num_rx_desc, 0, CTL_CREATE, CTL_EOL) != 0) 2971 aprint_error_dev(dev, "could not create sysctl\n"); 2972 2973 if (sysctl_createv(log, 0, &rnode, &cnode, 2974 CTLFLAG_READONLY, CTLTYPE_INT, 2975 "num_queues", SYSCTL_DESCR("Number of queues"), 2976 NULL, 0, &adapter->num_queues, 0, CTL_CREATE, CTL_EOL) != 0) 2977 aprint_error_dev(dev, "could not create sysctl\n"); 2978 2979 /* Sysctls for all devices */ 2980 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 2981 CTLTYPE_INT, "fc", SYSCTL_DESCR(IXGBE_SYSCTL_DESC_SET_FC), 2982 ixgbe_sysctl_flowcntl, 0, (void *)adapter, 0, CTL_CREATE, 2983 CTL_EOL) != 0) 2984 aprint_error_dev(dev, "could not create sysctl\n"); 2985 2986 adapter->enable_aim = ixgbe_enable_aim; 2987 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 2988 CTLTYPE_BOOL, "enable_aim", SYSCTL_DESCR("Interrupt Moderation"), 2989 NULL, 0, &adapter->enable_aim, 0, CTL_CREATE, CTL_EOL) != 0) 2990 aprint_error_dev(dev, "could not create sysctl\n"); 2991 2992 if (sysctl_createv(log, 0, &rnode, &cnode, 2993 CTLFLAG_READWRITE, CTLTYPE_INT, 2994 "advertise_speed", SYSCTL_DESCR(IXGBE_SYSCTL_DESC_ADV_SPEED), 2995 ixgbe_sysctl_advertise, 0, (void *)adapter, 0, CTL_CREATE, 2996 CTL_EOL) != 0) 2997 aprint_error_dev(dev, "could not create sysctl\n"); 2998 2999 #ifdef IXGBE_DEBUG 3000 /* testing sysctls (for all devices) */ 3001 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3002 CTLTYPE_INT, "power_state", SYSCTL_DESCR("PCI Power State"), 3003 ixgbe_sysctl_power_state, 0, (void *)adapter, 0, CTL_CREATE, 3004 CTL_EOL) != 0) 3005 aprint_error_dev(dev, "could not create sysctl\n"); 3006 3007 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READONLY, 3008 CTLTYPE_STRING, "print_rss_config", 3009 SYSCTL_DESCR("Prints RSS Configuration"), 3010 ixgbe_sysctl_print_rss_config, 0, (void *)adapter, 0, CTL_CREATE, 3011 CTL_EOL) != 0) 3012 aprint_error_dev(dev, "could not create sysctl\n"); 3013 #endif 3014 /* for X550 series devices */ 3015 if (hw->mac.type >= ixgbe_mac_X550) 3016 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3017 CTLTYPE_INT, "dmac", SYSCTL_DESCR("DMA Coalesce"), 3018 ixgbe_sysctl_dmac, 0, (void *)adapter, 0, CTL_CREATE, 3019 CTL_EOL) != 0) 3020 aprint_error_dev(dev, "could not create sysctl\n"); 3021 3022 /* for WoL-capable devices */ 3023 if (hw->device_id == IXGBE_DEV_ID_X550EM_X_10G_T) { 3024 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3025 CTLTYPE_BOOL, "wol_enable", 3026 SYSCTL_DESCR("Enable/Disable Wake on LAN"), 3027 ixgbe_sysctl_wol_enable, 0, (void *)adapter, 0, CTL_CREATE, 3028 CTL_EOL) != 0) 3029 aprint_error_dev(dev, "could not create sysctl\n"); 3030 3031 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3032 CTLTYPE_INT, "wufc", 3033 SYSCTL_DESCR("Enable/Disable Wake Up Filters"), 3034 ixgbe_sysctl_wufc, 0, (void *)adapter, 0, CTL_CREATE, 3035 CTL_EOL) != 0) 3036 aprint_error_dev(dev, "could not create sysctl\n"); 3037 } 3038 3039 /* for X552/X557-AT devices */ 3040 if (hw->device_id == IXGBE_DEV_ID_X550EM_X_10G_T) { 3041 const struct sysctlnode *phy_node; 3042 3043 if (sysctl_createv(log, 0, &rnode, &phy_node, 0, CTLTYPE_NODE, 3044 "phy", SYSCTL_DESCR("External PHY sysctls"), 3045 NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL) != 0) { 3046 aprint_error_dev(dev, "could not create sysctl\n"); 3047 return; 3048 } 3049 3050 if (sysctl_createv(log, 0, &phy_node, &cnode, CTLFLAG_READONLY, 3051 CTLTYPE_INT, "temp", 3052 SYSCTL_DESCR("Current External PHY Temperature (Celsius)"), 3053 ixgbe_sysctl_phy_temp, 0, (void *)adapter, 0, CTL_CREATE, 3054 CTL_EOL) != 0) 3055 aprint_error_dev(dev, "could not create sysctl\n"); 3056 3057 if (sysctl_createv(log, 0, &phy_node, &cnode, CTLFLAG_READONLY, 3058 CTLTYPE_INT, "overtemp_occurred", 3059 SYSCTL_DESCR("External PHY High Temperature Event Occurred"), 3060 ixgbe_sysctl_phy_overtemp_occurred, 0, (void *)adapter, 0, 3061 CTL_CREATE, CTL_EOL) != 0) 3062 aprint_error_dev(dev, "could not create sysctl\n"); 3063 } 3064 3065 if (adapter->feat_cap & IXGBE_FEATURE_EEE) { 3066 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3067 CTLTYPE_INT, "eee_state", 3068 SYSCTL_DESCR("EEE Power Save State"), 3069 ixgbe_sysctl_eee_state, 0, (void *)adapter, 0, CTL_CREATE, 3070 CTL_EOL) != 0) 3071 aprint_error_dev(dev, "could not create sysctl\n"); 3072 } 3073 } /* ixgbe_add_device_sysctls */ 3074 3075 /************************************************************************ 3076 * ixgbe_allocate_pci_resources 3077 ************************************************************************/ 3078 static int 3079 ixgbe_allocate_pci_resources(struct adapter *adapter, 3080 const struct pci_attach_args *pa) 3081 { 3082 pcireg_t memtype; 3083 device_t dev = adapter->dev; 3084 bus_addr_t addr; 3085 int flags; 3086 3087 memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, PCI_BAR(0)); 3088 switch (memtype) { 3089 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT: 3090 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT: 3091 adapter->osdep.mem_bus_space_tag = pa->pa_memt; 3092 if (pci_mapreg_info(pa->pa_pc, pa->pa_tag, PCI_BAR(0), 3093 memtype, &addr, &adapter->osdep.mem_size, &flags) != 0) 3094 goto map_err; 3095 if ((flags & BUS_SPACE_MAP_PREFETCHABLE) != 0) { 3096 aprint_normal_dev(dev, "clearing prefetchable bit\n"); 3097 flags &= ~BUS_SPACE_MAP_PREFETCHABLE; 3098 } 3099 if (bus_space_map(adapter->osdep.mem_bus_space_tag, addr, 3100 adapter->osdep.mem_size, flags, 3101 &adapter->osdep.mem_bus_space_handle) != 0) { 3102 map_err: 3103 adapter->osdep.mem_size = 0; 3104 aprint_error_dev(dev, "unable to map BAR0\n"); 3105 return ENXIO; 3106 } 3107 break; 3108 default: 3109 aprint_error_dev(dev, "unexpected type on BAR0\n"); 3110 return ENXIO; 3111 } 3112 3113 return (0); 3114 } /* ixgbe_allocate_pci_resources */ 3115 3116 /************************************************************************ 3117 * ixgbe_detach - Device removal routine 3118 * 3119 * Called when the driver is being removed. 3120 * Stops the adapter and deallocates all the resources 3121 * that were allocated for driver operation. 3122 * 3123 * return 0 on success, positive on failure 3124 ************************************************************************/ 3125 static int 3126 ixgbe_detach(device_t dev, int flags) 3127 { 3128 struct adapter *adapter = device_private(dev); 3129 struct ix_queue *que = adapter->queues; 3130 struct rx_ring *rxr = adapter->rx_rings; 3131 struct tx_ring *txr = adapter->tx_rings; 3132 struct ixgbe_hw *hw = &adapter->hw; 3133 struct ixgbe_hw_stats *stats = &adapter->stats.pf; 3134 u32 ctrl_ext; 3135 3136 INIT_DEBUGOUT("ixgbe_detach: begin"); 3137 if (adapter->osdep.attached == false) 3138 return 0; 3139 3140 if (ixgbe_pci_iov_detach(dev) != 0) { 3141 device_printf(dev, "SR-IOV in use; detach first.\n"); 3142 return (EBUSY); 3143 } 3144 3145 /* Stop the interface. Callouts are stopped in it. */ 3146 ixgbe_ifstop(adapter->ifp, 1); 3147 #if NVLAN > 0 3148 /* Make sure VLANs are not using driver */ 3149 if (!VLAN_ATTACHED(&adapter->osdep.ec)) 3150 ; /* nothing to do: no VLANs */ 3151 else if ((flags & (DETACH_SHUTDOWN|DETACH_FORCE)) != 0) 3152 vlan_ifdetach(adapter->ifp); 3153 else { 3154 aprint_error_dev(dev, "VLANs in use, detach first\n"); 3155 return (EBUSY); 3156 } 3157 #endif 3158 3159 pmf_device_deregister(dev); 3160 3161 ether_ifdetach(adapter->ifp); 3162 /* Stop the adapter */ 3163 IXGBE_CORE_LOCK(adapter); 3164 ixgbe_setup_low_power_mode(adapter); 3165 IXGBE_CORE_UNLOCK(adapter); 3166 3167 for (int i = 0; i < adapter->num_queues; i++, que++, txr++) { 3168 if (!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX)) 3169 softint_disestablish(txr->txr_si); 3170 softint_disestablish(que->que_si); 3171 } 3172 3173 /* Drain the Link queue */ 3174 softint_disestablish(adapter->link_si); 3175 softint_disestablish(adapter->mod_si); 3176 softint_disestablish(adapter->msf_si); 3177 if (adapter->feat_cap & IXGBE_FEATURE_SRIOV) 3178 softint_disestablish(adapter->mbx_si); 3179 softint_disestablish(adapter->phy_si); 3180 if (adapter->feat_en & IXGBE_FEATURE_FDIR) 3181 softint_disestablish(adapter->fdir_si); 3182 3183 /* let hardware know driver is unloading */ 3184 ctrl_ext = IXGBE_READ_REG(&adapter->hw, IXGBE_CTRL_EXT); 3185 ctrl_ext &= ~IXGBE_CTRL_EXT_DRV_LOAD; 3186 IXGBE_WRITE_REG(&adapter->hw, IXGBE_CTRL_EXT, ctrl_ext); 3187 3188 callout_halt(&adapter->timer, NULL); 3189 3190 if (adapter->feat_en & IXGBE_FEATURE_NETMAP) 3191 netmap_detach(adapter->ifp); 3192 3193 ixgbe_free_pci_resources(adapter); 3194 #if 0 /* XXX the NetBSD port is probably missing something here */ 3195 bus_generic_detach(dev); 3196 #endif 3197 if_detach(adapter->ifp); 3198 if_percpuq_destroy(adapter->ipq); 3199 3200 sysctl_teardown(&adapter->sysctllog); 3201 evcnt_detach(&adapter->handleq); 3202 evcnt_detach(&adapter->req); 3203 evcnt_detach(&adapter->efbig_tx_dma_setup); 3204 evcnt_detach(&adapter->mbuf_defrag_failed); 3205 evcnt_detach(&adapter->efbig2_tx_dma_setup); 3206 evcnt_detach(&adapter->einval_tx_dma_setup); 3207 evcnt_detach(&adapter->other_tx_dma_setup); 3208 evcnt_detach(&adapter->eagain_tx_dma_setup); 3209 evcnt_detach(&adapter->enomem_tx_dma_setup); 3210 evcnt_detach(&adapter->watchdog_events); 3211 evcnt_detach(&adapter->tso_err); 3212 evcnt_detach(&adapter->link_irq); 3213 3214 txr = adapter->tx_rings; 3215 for (int i = 0; i < adapter->num_queues; i++, rxr++, txr++) { 3216 evcnt_detach(&adapter->queues[i].irqs); 3217 evcnt_detach(&txr->no_desc_avail); 3218 evcnt_detach(&txr->total_packets); 3219 evcnt_detach(&txr->tso_tx); 3220 #ifndef IXGBE_LEGACY_TX 3221 evcnt_detach(&txr->pcq_drops); 3222 #endif 3223 3224 if (i < __arraycount(stats->mpc)) { 3225 evcnt_detach(&stats->mpc[i]); 3226 if (hw->mac.type == ixgbe_mac_82598EB) 3227 evcnt_detach(&stats->rnbc[i]); 3228 } 3229 if (i < __arraycount(stats->pxontxc)) { 3230 evcnt_detach(&stats->pxontxc[i]); 3231 evcnt_detach(&stats->pxonrxc[i]); 3232 evcnt_detach(&stats->pxofftxc[i]); 3233 evcnt_detach(&stats->pxoffrxc[i]); 3234 evcnt_detach(&stats->pxon2offc[i]); 3235 } 3236 if (i < __arraycount(stats->qprc)) { 3237 evcnt_detach(&stats->qprc[i]); 3238 evcnt_detach(&stats->qptc[i]); 3239 evcnt_detach(&stats->qbrc[i]); 3240 evcnt_detach(&stats->qbtc[i]); 3241 evcnt_detach(&stats->qprdc[i]); 3242 } 3243 3244 evcnt_detach(&rxr->rx_packets); 3245 evcnt_detach(&rxr->rx_bytes); 3246 evcnt_detach(&rxr->rx_copies); 3247 evcnt_detach(&rxr->no_jmbuf); 3248 evcnt_detach(&rxr->rx_discarded); 3249 } 3250 evcnt_detach(&stats->ipcs); 3251 evcnt_detach(&stats->l4cs); 3252 evcnt_detach(&stats->ipcs_bad); 3253 evcnt_detach(&stats->l4cs_bad); 3254 evcnt_detach(&stats->intzero); 3255 evcnt_detach(&stats->legint); 3256 evcnt_detach(&stats->crcerrs); 3257 evcnt_detach(&stats->illerrc); 3258 evcnt_detach(&stats->errbc); 3259 evcnt_detach(&stats->mspdc); 3260 if (hw->mac.type >= ixgbe_mac_X550) 3261 evcnt_detach(&stats->mbsdc); 3262 evcnt_detach(&stats->mpctotal); 3263 evcnt_detach(&stats->mlfc); 3264 evcnt_detach(&stats->mrfc); 3265 evcnt_detach(&stats->rlec); 3266 evcnt_detach(&stats->lxontxc); 3267 evcnt_detach(&stats->lxonrxc); 3268 evcnt_detach(&stats->lxofftxc); 3269 evcnt_detach(&stats->lxoffrxc); 3270 3271 /* Packet Reception Stats */ 3272 evcnt_detach(&stats->tor); 3273 evcnt_detach(&stats->gorc); 3274 evcnt_detach(&stats->tpr); 3275 evcnt_detach(&stats->gprc); 3276 evcnt_detach(&stats->mprc); 3277 evcnt_detach(&stats->bprc); 3278 evcnt_detach(&stats->prc64); 3279 evcnt_detach(&stats->prc127); 3280 evcnt_detach(&stats->prc255); 3281 evcnt_detach(&stats->prc511); 3282 evcnt_detach(&stats->prc1023); 3283 evcnt_detach(&stats->prc1522); 3284 evcnt_detach(&stats->ruc); 3285 evcnt_detach(&stats->rfc); 3286 evcnt_detach(&stats->roc); 3287 evcnt_detach(&stats->rjc); 3288 evcnt_detach(&stats->mngprc); 3289 evcnt_detach(&stats->mngpdc); 3290 evcnt_detach(&stats->xec); 3291 3292 /* Packet Transmission Stats */ 3293 evcnt_detach(&stats->gotc); 3294 evcnt_detach(&stats->tpt); 3295 evcnt_detach(&stats->gptc); 3296 evcnt_detach(&stats->bptc); 3297 evcnt_detach(&stats->mptc); 3298 evcnt_detach(&stats->mngptc); 3299 evcnt_detach(&stats->ptc64); 3300 evcnt_detach(&stats->ptc127); 3301 evcnt_detach(&stats->ptc255); 3302 evcnt_detach(&stats->ptc511); 3303 evcnt_detach(&stats->ptc1023); 3304 evcnt_detach(&stats->ptc1522); 3305 3306 ixgbe_free_transmit_structures(adapter); 3307 ixgbe_free_receive_structures(adapter); 3308 free(adapter->queues, M_DEVBUF); 3309 free(adapter->mta, M_DEVBUF); 3310 3311 IXGBE_CORE_LOCK_DESTROY(adapter); 3312 3313 return (0); 3314 } /* ixgbe_detach */ 3315 3316 /************************************************************************ 3317 * ixgbe_setup_low_power_mode - LPLU/WoL preparation 3318 * 3319 * Prepare the adapter/port for LPLU and/or WoL 3320 ************************************************************************/ 3321 static int 3322 ixgbe_setup_low_power_mode(struct adapter *adapter) 3323 { 3324 struct ixgbe_hw *hw = &adapter->hw; 3325 device_t dev = adapter->dev; 3326 s32 error = 0; 3327 3328 KASSERT(mutex_owned(&adapter->core_mtx)); 3329 3330 /* Limit power management flow to X550EM baseT */ 3331 if (hw->device_id == IXGBE_DEV_ID_X550EM_X_10G_T && 3332 hw->phy.ops.enter_lplu) { 3333 /* X550EM baseT adapters need a special LPLU flow */ 3334 hw->phy.reset_disable = true; 3335 ixgbe_stop(adapter); 3336 error = hw->phy.ops.enter_lplu(hw); 3337 if (error) 3338 device_printf(dev, 3339 "Error entering LPLU: %d\n", error); 3340 hw->phy.reset_disable = false; 3341 } else { 3342 /* Just stop for other adapters */ 3343 ixgbe_stop(adapter); 3344 } 3345 3346 if (!hw->wol_enabled) { 3347 ixgbe_set_phy_power(hw, FALSE); 3348 IXGBE_WRITE_REG(hw, IXGBE_WUFC, 0); 3349 IXGBE_WRITE_REG(hw, IXGBE_WUC, 0); 3350 } else { 3351 /* Turn off support for APM wakeup. (Using ACPI instead) */ 3352 IXGBE_WRITE_REG(hw, IXGBE_GRC, 3353 IXGBE_READ_REG(hw, IXGBE_GRC) & ~(u32)2); 3354 3355 /* 3356 * Clear Wake Up Status register to prevent any previous wakeup 3357 * events from waking us up immediately after we suspend. 3358 */ 3359 IXGBE_WRITE_REG(hw, IXGBE_WUS, 0xffffffff); 3360 3361 /* 3362 * Program the Wakeup Filter Control register with user filter 3363 * settings 3364 */ 3365 IXGBE_WRITE_REG(hw, IXGBE_WUFC, adapter->wufc); 3366 3367 /* Enable wakeups and power management in Wakeup Control */ 3368 IXGBE_WRITE_REG(hw, IXGBE_WUC, 3369 IXGBE_WUC_WKEN | IXGBE_WUC_PME_EN); 3370 3371 } 3372 3373 return error; 3374 } /* ixgbe_setup_low_power_mode */ 3375 3376 /************************************************************************ 3377 * ixgbe_shutdown - Shutdown entry point 3378 ************************************************************************/ 3379 #if 0 /* XXX NetBSD ought to register something like this through pmf(9) */ 3380 static int 3381 ixgbe_shutdown(device_t dev) 3382 { 3383 struct adapter *adapter = device_private(dev); 3384 int error = 0; 3385 3386 INIT_DEBUGOUT("ixgbe_shutdown: begin"); 3387 3388 IXGBE_CORE_LOCK(adapter); 3389 error = ixgbe_setup_low_power_mode(adapter); 3390 IXGBE_CORE_UNLOCK(adapter); 3391 3392 return (error); 3393 } /* ixgbe_shutdown */ 3394 #endif 3395 3396 /************************************************************************ 3397 * ixgbe_suspend 3398 * 3399 * From D0 to D3 3400 ************************************************************************/ 3401 static bool 3402 ixgbe_suspend(device_t dev, const pmf_qual_t *qual) 3403 { 3404 struct adapter *adapter = device_private(dev); 3405 int error = 0; 3406 3407 INIT_DEBUGOUT("ixgbe_suspend: begin"); 3408 3409 IXGBE_CORE_LOCK(adapter); 3410 3411 error = ixgbe_setup_low_power_mode(adapter); 3412 3413 IXGBE_CORE_UNLOCK(adapter); 3414 3415 return (error); 3416 } /* ixgbe_suspend */ 3417 3418 /************************************************************************ 3419 * ixgbe_resume 3420 * 3421 * From D3 to D0 3422 ************************************************************************/ 3423 static bool 3424 ixgbe_resume(device_t dev, const pmf_qual_t *qual) 3425 { 3426 struct adapter *adapter = device_private(dev); 3427 struct ifnet *ifp = adapter->ifp; 3428 struct ixgbe_hw *hw = &adapter->hw; 3429 u32 wus; 3430 3431 INIT_DEBUGOUT("ixgbe_resume: begin"); 3432 3433 IXGBE_CORE_LOCK(adapter); 3434 3435 /* Read & clear WUS register */ 3436 wus = IXGBE_READ_REG(hw, IXGBE_WUS); 3437 if (wus) 3438 device_printf(dev, "Woken up by (WUS): %#010x\n", 3439 IXGBE_READ_REG(hw, IXGBE_WUS)); 3440 IXGBE_WRITE_REG(hw, IXGBE_WUS, 0xffffffff); 3441 /* And clear WUFC until next low-power transition */ 3442 IXGBE_WRITE_REG(hw, IXGBE_WUFC, 0); 3443 3444 /* 3445 * Required after D3->D0 transition; 3446 * will re-advertise all previous advertised speeds 3447 */ 3448 if (ifp->if_flags & IFF_UP) 3449 ixgbe_init_locked(adapter); 3450 3451 IXGBE_CORE_UNLOCK(adapter); 3452 3453 return true; 3454 } /* ixgbe_resume */ 3455 3456 /* 3457 * Set the various hardware offload abilities. 3458 * 3459 * This takes the ifnet's if_capenable flags (e.g. set by the user using 3460 * ifconfig) and indicates to the OS via the ifnet's if_hwassist field what 3461 * mbuf offload flags the driver will understand. 3462 */ 3463 static void 3464 ixgbe_set_if_hwassist(struct adapter *adapter) 3465 { 3466 /* XXX */ 3467 } 3468 3469 /************************************************************************ 3470 * ixgbe_init_locked - Init entry point 3471 * 3472 * Used in two ways: It is used by the stack as an init 3473 * entry point in network interface structure. It is also 3474 * used by the driver as a hw/sw initialization routine to 3475 * get to a consistent state. 3476 * 3477 * return 0 on success, positive on failure 3478 ************************************************************************/ 3479 static void 3480 ixgbe_init_locked(struct adapter *adapter) 3481 { 3482 struct ifnet *ifp = adapter->ifp; 3483 device_t dev = adapter->dev; 3484 struct ixgbe_hw *hw = &adapter->hw; 3485 struct tx_ring *txr; 3486 struct rx_ring *rxr; 3487 u32 txdctl, mhadd; 3488 u32 rxdctl, rxctrl; 3489 u32 ctrl_ext; 3490 int err = 0; 3491 3492 /* XXX check IFF_UP and IFF_RUNNING, power-saving state! */ 3493 3494 KASSERT(mutex_owned(&adapter->core_mtx)); 3495 INIT_DEBUGOUT("ixgbe_init_locked: begin"); 3496 3497 hw->adapter_stopped = FALSE; 3498 ixgbe_stop_adapter(hw); 3499 callout_stop(&adapter->timer); 3500 3501 /* XXX I moved this here from the SIOCSIFMTU case in ixgbe_ioctl(). */ 3502 adapter->max_frame_size = 3503 ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN; 3504 3505 /* Queue indices may change with IOV mode */ 3506 ixgbe_align_all_queue_indices(adapter); 3507 3508 /* reprogram the RAR[0] in case user changed it. */ 3509 ixgbe_set_rar(hw, 0, hw->mac.addr, adapter->pool, IXGBE_RAH_AV); 3510 3511 /* Get the latest mac address, User can use a LAA */ 3512 memcpy(hw->mac.addr, CLLADDR(ifp->if_sadl), 3513 IXGBE_ETH_LENGTH_OF_ADDRESS); 3514 ixgbe_set_rar(hw, 0, hw->mac.addr, adapter->pool, 1); 3515 hw->addr_ctrl.rar_used_count = 1; 3516 3517 /* Set hardware offload abilities from ifnet flags */ 3518 ixgbe_set_if_hwassist(adapter); 3519 3520 /* Prepare transmit descriptors and buffers */ 3521 if (ixgbe_setup_transmit_structures(adapter)) { 3522 device_printf(dev, "Could not setup transmit structures\n"); 3523 ixgbe_stop(adapter); 3524 return; 3525 } 3526 3527 ixgbe_init_hw(hw); 3528 ixgbe_initialize_iov(adapter); 3529 ixgbe_initialize_transmit_units(adapter); 3530 3531 /* Setup Multicast table */ 3532 ixgbe_set_multi(adapter); 3533 3534 /* Determine the correct mbuf pool, based on frame size */ 3535 if (adapter->max_frame_size <= MCLBYTES) 3536 adapter->rx_mbuf_sz = MCLBYTES; 3537 else 3538 adapter->rx_mbuf_sz = MJUMPAGESIZE; 3539 3540 /* Prepare receive descriptors and buffers */ 3541 if (ixgbe_setup_receive_structures(adapter)) { 3542 device_printf(dev, "Could not setup receive structures\n"); 3543 ixgbe_stop(adapter); 3544 return; 3545 } 3546 3547 /* Configure RX settings */ 3548 ixgbe_initialize_receive_units(adapter); 3549 3550 /* Enable SDP & MSI-X interrupts based on adapter */ 3551 ixgbe_config_gpie(adapter); 3552 3553 /* Set MTU size */ 3554 if (ifp->if_mtu > ETHERMTU) { 3555 /* aka IXGBE_MAXFRS on 82599 and newer */ 3556 mhadd = IXGBE_READ_REG(hw, IXGBE_MHADD); 3557 mhadd &= ~IXGBE_MHADD_MFS_MASK; 3558 mhadd |= adapter->max_frame_size << IXGBE_MHADD_MFS_SHIFT; 3559 IXGBE_WRITE_REG(hw, IXGBE_MHADD, mhadd); 3560 } 3561 3562 /* Now enable all the queues */ 3563 for (int i = 0; i < adapter->num_queues; i++) { 3564 txr = &adapter->tx_rings[i]; 3565 txdctl = IXGBE_READ_REG(hw, IXGBE_TXDCTL(txr->me)); 3566 txdctl |= IXGBE_TXDCTL_ENABLE; 3567 /* Set WTHRESH to 8, burst writeback */ 3568 txdctl |= (8 << 16); 3569 /* 3570 * When the internal queue falls below PTHRESH (32), 3571 * start prefetching as long as there are at least 3572 * HTHRESH (1) buffers ready. The values are taken 3573 * from the Intel linux driver 3.8.21. 3574 * Prefetching enables tx line rate even with 1 queue. 3575 */ 3576 txdctl |= (32 << 0) | (1 << 8); 3577 IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(txr->me), txdctl); 3578 } 3579 3580 for (int i = 0, j = 0; i < adapter->num_queues; i++) { 3581 rxr = &adapter->rx_rings[i]; 3582 rxdctl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(rxr->me)); 3583 if (hw->mac.type == ixgbe_mac_82598EB) { 3584 /* 3585 * PTHRESH = 21 3586 * HTHRESH = 4 3587 * WTHRESH = 8 3588 */ 3589 rxdctl &= ~0x3FFFFF; 3590 rxdctl |= 0x080420; 3591 } 3592 rxdctl |= IXGBE_RXDCTL_ENABLE; 3593 IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(rxr->me), rxdctl); 3594 for (; j < 10; j++) { 3595 if (IXGBE_READ_REG(hw, IXGBE_RXDCTL(rxr->me)) & 3596 IXGBE_RXDCTL_ENABLE) 3597 break; 3598 else 3599 msec_delay(1); 3600 } 3601 wmb(); 3602 3603 /* 3604 * In netmap mode, we must preserve the buffers made 3605 * available to userspace before the if_init() 3606 * (this is true by default on the TX side, because 3607 * init makes all buffers available to userspace). 3608 * 3609 * netmap_reset() and the device specific routines 3610 * (e.g. ixgbe_setup_receive_rings()) map these 3611 * buffers at the end of the NIC ring, so here we 3612 * must set the RDT (tail) register to make sure 3613 * they are not overwritten. 3614 * 3615 * In this driver the NIC ring starts at RDH = 0, 3616 * RDT points to the last slot available for reception (?), 3617 * so RDT = num_rx_desc - 1 means the whole ring is available. 3618 */ 3619 #ifdef DEV_NETMAP 3620 if ((adapter->feat_en & IXGBE_FEATURE_NETMAP) && 3621 (ifp->if_capenable & IFCAP_NETMAP)) { 3622 struct netmap_adapter *na = NA(adapter->ifp); 3623 struct netmap_kring *kring = &na->rx_rings[i]; 3624 int t = na->num_rx_desc - 1 - nm_kr_rxspace(kring); 3625 3626 IXGBE_WRITE_REG(hw, IXGBE_RDT(rxr->me), t); 3627 } else 3628 #endif /* DEV_NETMAP */ 3629 IXGBE_WRITE_REG(hw, IXGBE_RDT(rxr->me), 3630 adapter->num_rx_desc - 1); 3631 } 3632 3633 /* Enable Receive engine */ 3634 rxctrl = IXGBE_READ_REG(hw, IXGBE_RXCTRL); 3635 if (hw->mac.type == ixgbe_mac_82598EB) 3636 rxctrl |= IXGBE_RXCTRL_DMBYPS; 3637 rxctrl |= IXGBE_RXCTRL_RXEN; 3638 ixgbe_enable_rx_dma(hw, rxctrl); 3639 3640 callout_reset(&adapter->timer, hz, ixgbe_local_timer, adapter); 3641 3642 /* Set up MSI-X routing */ 3643 if (adapter->feat_en & IXGBE_FEATURE_MSIX) { 3644 ixgbe_configure_ivars(adapter); 3645 /* Set up auto-mask */ 3646 if (hw->mac.type == ixgbe_mac_82598EB) 3647 IXGBE_WRITE_REG(hw, IXGBE_EIAM, IXGBE_EICS_RTX_QUEUE); 3648 else { 3649 IXGBE_WRITE_REG(hw, IXGBE_EIAM_EX(0), 0xFFFFFFFF); 3650 IXGBE_WRITE_REG(hw, IXGBE_EIAM_EX(1), 0xFFFFFFFF); 3651 } 3652 } else { /* Simple settings for Legacy/MSI */ 3653 ixgbe_set_ivar(adapter, 0, 0, 0); 3654 ixgbe_set_ivar(adapter, 0, 0, 1); 3655 IXGBE_WRITE_REG(hw, IXGBE_EIAM, IXGBE_EICS_RTX_QUEUE); 3656 } 3657 3658 ixgbe_init_fdir(adapter); 3659 3660 /* 3661 * Check on any SFP devices that 3662 * need to be kick-started 3663 */ 3664 if (hw->phy.type == ixgbe_phy_none) { 3665 err = hw->phy.ops.identify(hw); 3666 if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) { 3667 device_printf(dev, 3668 "Unsupported SFP+ module type was detected.\n"); 3669 return; 3670 } 3671 } 3672 3673 /* Set moderation on the Link interrupt */ 3674 IXGBE_WRITE_REG(hw, IXGBE_EITR(adapter->vector), IXGBE_LINK_ITR); 3675 3676 /* Config/Enable Link */ 3677 ixgbe_config_link(adapter); 3678 3679 /* Hardware Packet Buffer & Flow Control setup */ 3680 ixgbe_config_delay_values(adapter); 3681 3682 /* Initialize the FC settings */ 3683 ixgbe_start_hw(hw); 3684 3685 /* Set up VLAN support and filter */ 3686 ixgbe_setup_vlan_hw_support(adapter); 3687 3688 /* Setup DMA Coalescing */ 3689 ixgbe_config_dmac(adapter); 3690 3691 /* And now turn on interrupts */ 3692 ixgbe_enable_intr(adapter); 3693 3694 /* Enable the use of the MBX by the VF's */ 3695 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) { 3696 ctrl_ext = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT); 3697 ctrl_ext |= IXGBE_CTRL_EXT_PFRSTD; 3698 IXGBE_WRITE_REG(hw, IXGBE_CTRL_EXT, ctrl_ext); 3699 } 3700 3701 /* Now inform the stack we're ready */ 3702 ifp->if_flags |= IFF_RUNNING; 3703 3704 return; 3705 } /* ixgbe_init_locked */ 3706 3707 /************************************************************************ 3708 * ixgbe_init 3709 ************************************************************************/ 3710 static int 3711 ixgbe_init(struct ifnet *ifp) 3712 { 3713 struct adapter *adapter = ifp->if_softc; 3714 3715 IXGBE_CORE_LOCK(adapter); 3716 ixgbe_init_locked(adapter); 3717 IXGBE_CORE_UNLOCK(adapter); 3718 3719 return 0; /* XXX ixgbe_init_locked cannot fail? really? */ 3720 } /* ixgbe_init */ 3721 3722 /************************************************************************ 3723 * ixgbe_set_ivar 3724 * 3725 * Setup the correct IVAR register for a particular MSI-X interrupt 3726 * (yes this is all very magic and confusing :) 3727 * - entry is the register array entry 3728 * - vector is the MSI-X vector for this queue 3729 * - type is RX/TX/MISC 3730 ************************************************************************/ 3731 static void 3732 ixgbe_set_ivar(struct adapter *adapter, u8 entry, u8 vector, s8 type) 3733 { 3734 struct ixgbe_hw *hw = &adapter->hw; 3735 u32 ivar, index; 3736 3737 vector |= IXGBE_IVAR_ALLOC_VAL; 3738 3739 switch (hw->mac.type) { 3740 3741 case ixgbe_mac_82598EB: 3742 if (type == -1) 3743 entry = IXGBE_IVAR_OTHER_CAUSES_INDEX; 3744 else 3745 entry += (type * 64); 3746 index = (entry >> 2) & 0x1F; 3747 ivar = IXGBE_READ_REG(hw, IXGBE_IVAR(index)); 3748 ivar &= ~(0xFF << (8 * (entry & 0x3))); 3749 ivar |= (vector << (8 * (entry & 0x3))); 3750 IXGBE_WRITE_REG(&adapter->hw, IXGBE_IVAR(index), ivar); 3751 break; 3752 3753 case ixgbe_mac_82599EB: 3754 case ixgbe_mac_X540: 3755 case ixgbe_mac_X550: 3756 case ixgbe_mac_X550EM_x: 3757 case ixgbe_mac_X550EM_a: 3758 if (type == -1) { /* MISC IVAR */ 3759 index = (entry & 1) * 8; 3760 ivar = IXGBE_READ_REG(hw, IXGBE_IVAR_MISC); 3761 ivar &= ~(0xFF << index); 3762 ivar |= (vector << index); 3763 IXGBE_WRITE_REG(hw, IXGBE_IVAR_MISC, ivar); 3764 } else { /* RX/TX IVARS */ 3765 index = (16 * (entry & 1)) + (8 * type); 3766 ivar = IXGBE_READ_REG(hw, IXGBE_IVAR(entry >> 1)); 3767 ivar &= ~(0xFF << index); 3768 ivar |= (vector << index); 3769 IXGBE_WRITE_REG(hw, IXGBE_IVAR(entry >> 1), ivar); 3770 } 3771 3772 default: 3773 break; 3774 } 3775 } /* ixgbe_set_ivar */ 3776 3777 /************************************************************************ 3778 * ixgbe_configure_ivars 3779 ************************************************************************/ 3780 static void 3781 ixgbe_configure_ivars(struct adapter *adapter) 3782 { 3783 struct ix_queue *que = adapter->queues; 3784 u32 newitr; 3785 3786 if (ixgbe_max_interrupt_rate > 0) 3787 newitr = (4000000 / ixgbe_max_interrupt_rate) & 0x0FF8; 3788 else { 3789 /* 3790 * Disable DMA coalescing if interrupt moderation is 3791 * disabled. 3792 */ 3793 adapter->dmac = 0; 3794 newitr = 0; 3795 } 3796 3797 for (int i = 0; i < adapter->num_queues; i++, que++) { 3798 struct rx_ring *rxr = &adapter->rx_rings[i]; 3799 struct tx_ring *txr = &adapter->tx_rings[i]; 3800 /* First the RX queue entry */ 3801 ixgbe_set_ivar(adapter, rxr->me, que->msix, 0); 3802 /* ... and the TX */ 3803 ixgbe_set_ivar(adapter, txr->me, que->msix, 1); 3804 /* Set an Initial EITR value */ 3805 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EITR(que->msix), newitr); 3806 } 3807 3808 /* For the Link interrupt */ 3809 ixgbe_set_ivar(adapter, 1, adapter->vector, -1); 3810 } /* ixgbe_configure_ivars */ 3811 3812 /************************************************************************ 3813 * ixgbe_config_gpie 3814 ************************************************************************/ 3815 static void 3816 ixgbe_config_gpie(struct adapter *adapter) 3817 { 3818 struct ixgbe_hw *hw = &adapter->hw; 3819 u32 gpie; 3820 3821 gpie = IXGBE_READ_REG(hw, IXGBE_GPIE); 3822 3823 if (adapter->feat_en & IXGBE_FEATURE_MSIX) { 3824 /* Enable Enhanced MSI-X mode */ 3825 gpie |= IXGBE_GPIE_MSIX_MODE 3826 | IXGBE_GPIE_EIAME 3827 | IXGBE_GPIE_PBA_SUPPORT 3828 | IXGBE_GPIE_OCD; 3829 } 3830 3831 /* Fan Failure Interrupt */ 3832 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) 3833 gpie |= IXGBE_SDP1_GPIEN; 3834 3835 /* Thermal Sensor Interrupt */ 3836 if (adapter->feat_en & IXGBE_FEATURE_TEMP_SENSOR) 3837 gpie |= IXGBE_SDP0_GPIEN_X540; 3838 3839 /* Link detection */ 3840 switch (hw->mac.type) { 3841 case ixgbe_mac_82599EB: 3842 gpie |= IXGBE_SDP1_GPIEN | IXGBE_SDP2_GPIEN; 3843 break; 3844 case ixgbe_mac_X550EM_x: 3845 case ixgbe_mac_X550EM_a: 3846 gpie |= IXGBE_SDP0_GPIEN_X540; 3847 break; 3848 default: 3849 break; 3850 } 3851 3852 IXGBE_WRITE_REG(hw, IXGBE_GPIE, gpie); 3853 3854 return; 3855 } /* ixgbe_config_gpie */ 3856 3857 /************************************************************************ 3858 * ixgbe_config_delay_values 3859 * 3860 * Requires adapter->max_frame_size to be set. 3861 ************************************************************************/ 3862 static void 3863 ixgbe_config_delay_values(struct adapter *adapter) 3864 { 3865 struct ixgbe_hw *hw = &adapter->hw; 3866 u32 rxpb, frame, size, tmp; 3867 3868 frame = adapter->max_frame_size; 3869 3870 /* Calculate High Water */ 3871 switch (hw->mac.type) { 3872 case ixgbe_mac_X540: 3873 case ixgbe_mac_X550: 3874 case ixgbe_mac_X550EM_x: 3875 case ixgbe_mac_X550EM_a: 3876 tmp = IXGBE_DV_X540(frame, frame); 3877 break; 3878 default: 3879 tmp = IXGBE_DV(frame, frame); 3880 break; 3881 } 3882 size = IXGBE_BT2KB(tmp); 3883 rxpb = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(0)) >> 10; 3884 hw->fc.high_water[0] = rxpb - size; 3885 3886 /* Now calculate Low Water */ 3887 switch (hw->mac.type) { 3888 case ixgbe_mac_X540: 3889 case ixgbe_mac_X550: 3890 case ixgbe_mac_X550EM_x: 3891 case ixgbe_mac_X550EM_a: 3892 tmp = IXGBE_LOW_DV_X540(frame); 3893 break; 3894 default: 3895 tmp = IXGBE_LOW_DV(frame); 3896 break; 3897 } 3898 hw->fc.low_water[0] = IXGBE_BT2KB(tmp); 3899 3900 hw->fc.pause_time = IXGBE_FC_PAUSE; 3901 hw->fc.send_xon = TRUE; 3902 } /* ixgbe_config_delay_values */ 3903 3904 /************************************************************************ 3905 * ixgbe_set_multi - Multicast Update 3906 * 3907 * Called whenever multicast address list is updated. 3908 ************************************************************************/ 3909 static void 3910 ixgbe_set_multi(struct adapter *adapter) 3911 { 3912 struct ixgbe_mc_addr *mta; 3913 struct ifnet *ifp = adapter->ifp; 3914 u8 *update_ptr; 3915 int mcnt = 0; 3916 u32 fctrl; 3917 struct ethercom *ec = &adapter->osdep.ec; 3918 struct ether_multi *enm; 3919 struct ether_multistep step; 3920 3921 KASSERT(mutex_owned(&adapter->core_mtx)); 3922 IOCTL_DEBUGOUT("ixgbe_set_multi: begin"); 3923 3924 mta = adapter->mta; 3925 bzero(mta, sizeof(*mta) * MAX_NUM_MULTICAST_ADDRESSES); 3926 3927 ifp->if_flags &= ~IFF_ALLMULTI; 3928 ETHER_LOCK(ec); 3929 ETHER_FIRST_MULTI(step, ec, enm); 3930 while (enm != NULL) { 3931 if ((mcnt == MAX_NUM_MULTICAST_ADDRESSES) || 3932 (memcmp(enm->enm_addrlo, enm->enm_addrhi, 3933 ETHER_ADDR_LEN) != 0)) { 3934 ifp->if_flags |= IFF_ALLMULTI; 3935 break; 3936 } 3937 bcopy(enm->enm_addrlo, 3938 mta[mcnt].addr, IXGBE_ETH_LENGTH_OF_ADDRESS); 3939 mta[mcnt].vmdq = adapter->pool; 3940 mcnt++; 3941 ETHER_NEXT_MULTI(step, enm); 3942 } 3943 ETHER_UNLOCK(ec); 3944 3945 fctrl = IXGBE_READ_REG(&adapter->hw, IXGBE_FCTRL); 3946 fctrl &= ~(IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE); 3947 if (ifp->if_flags & IFF_PROMISC) 3948 fctrl |= (IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE); 3949 else if (ifp->if_flags & IFF_ALLMULTI) { 3950 fctrl |= IXGBE_FCTRL_MPE; 3951 } 3952 3953 IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCTRL, fctrl); 3954 3955 if (mcnt < MAX_NUM_MULTICAST_ADDRESSES) { 3956 update_ptr = (u8 *)mta; 3957 ixgbe_update_mc_addr_list(&adapter->hw, update_ptr, mcnt, 3958 ixgbe_mc_array_itr, TRUE); 3959 } 3960 3961 return; 3962 } /* ixgbe_set_multi */ 3963 3964 /************************************************************************ 3965 * ixgbe_mc_array_itr 3966 * 3967 * An iterator function needed by the multicast shared code. 3968 * It feeds the shared code routine the addresses in the 3969 * array of ixgbe_set_multi() one by one. 3970 ************************************************************************/ 3971 static u8 * 3972 ixgbe_mc_array_itr(struct ixgbe_hw *hw, u8 **update_ptr, u32 *vmdq) 3973 { 3974 struct ixgbe_mc_addr *mta; 3975 3976 mta = (struct ixgbe_mc_addr *)*update_ptr; 3977 *vmdq = mta->vmdq; 3978 3979 *update_ptr = (u8*)(mta + 1); 3980 3981 return (mta->addr); 3982 } /* ixgbe_mc_array_itr */ 3983 3984 /************************************************************************ 3985 * ixgbe_local_timer - Timer routine 3986 * 3987 * Checks for link status, updates statistics, 3988 * and runs the watchdog check. 3989 ************************************************************************/ 3990 static void 3991 ixgbe_local_timer(void *arg) 3992 { 3993 struct adapter *adapter = arg; 3994 3995 IXGBE_CORE_LOCK(adapter); 3996 ixgbe_local_timer1(adapter); 3997 IXGBE_CORE_UNLOCK(adapter); 3998 } 3999 4000 static void 4001 ixgbe_local_timer1(void *arg) 4002 { 4003 struct adapter *adapter = arg; 4004 device_t dev = adapter->dev; 4005 struct ix_queue *que = adapter->queues; 4006 u64 queues = 0; 4007 int hung = 0; 4008 4009 KASSERT(mutex_owned(&adapter->core_mtx)); 4010 4011 /* Check for pluggable optics */ 4012 if (adapter->sfp_probe) 4013 if (!ixgbe_sfp_probe(adapter)) 4014 goto out; /* Nothing to do */ 4015 4016 ixgbe_update_link_status(adapter); 4017 ixgbe_update_stats_counters(adapter); 4018 4019 /* 4020 * Check the TX queues status 4021 * - mark hung queues so we don't schedule on them 4022 * - watchdog only if all queues show hung 4023 */ 4024 for (int i = 0; i < adapter->num_queues; i++, que++) { 4025 /* Keep track of queues with work for soft irq */ 4026 if (que->txr->busy) 4027 queues |= ((u64)1 << que->me); 4028 /* 4029 * Each time txeof runs without cleaning, but there 4030 * are uncleaned descriptors it increments busy. If 4031 * we get to the MAX we declare it hung. 4032 */ 4033 if (que->busy == IXGBE_QUEUE_HUNG) { 4034 ++hung; 4035 /* Mark the queue as inactive */ 4036 adapter->active_queues &= ~((u64)1 << que->me); 4037 continue; 4038 } else { 4039 /* Check if we've come back from hung */ 4040 if ((adapter->active_queues & ((u64)1 << que->me)) == 0) 4041 adapter->active_queues |= ((u64)1 << que->me); 4042 } 4043 if (que->busy >= IXGBE_MAX_TX_BUSY) { 4044 device_printf(dev, 4045 "Warning queue %d appears to be hung!\n", i); 4046 que->txr->busy = IXGBE_QUEUE_HUNG; 4047 ++hung; 4048 } 4049 } 4050 4051 /* Only truely watchdog if all queues show hung */ 4052 if (hung == adapter->num_queues) 4053 goto watchdog; 4054 else if (queues != 0) { /* Force an IRQ on queues with work */ 4055 ixgbe_rearm_queues(adapter, queues); 4056 } 4057 4058 out: 4059 callout_reset(&adapter->timer, hz, ixgbe_local_timer, adapter); 4060 return; 4061 4062 watchdog: 4063 device_printf(adapter->dev, "Watchdog timeout -- resetting\n"); 4064 adapter->ifp->if_flags &= ~IFF_RUNNING; 4065 adapter->watchdog_events.ev_count++; 4066 ixgbe_init_locked(adapter); 4067 } /* ixgbe_local_timer */ 4068 4069 /************************************************************************ 4070 * ixgbe_sfp_probe 4071 * 4072 * Determine if a port had optics inserted. 4073 ************************************************************************/ 4074 static bool 4075 ixgbe_sfp_probe(struct adapter *adapter) 4076 { 4077 struct ixgbe_hw *hw = &adapter->hw; 4078 device_t dev = adapter->dev; 4079 bool result = FALSE; 4080 4081 if ((hw->phy.type == ixgbe_phy_nl) && 4082 (hw->phy.sfp_type == ixgbe_sfp_type_not_present)) { 4083 s32 ret = hw->phy.ops.identify_sfp(hw); 4084 if (ret) 4085 goto out; 4086 ret = hw->phy.ops.reset(hw); 4087 adapter->sfp_probe = FALSE; 4088 if (ret == IXGBE_ERR_SFP_NOT_SUPPORTED) { 4089 device_printf(dev,"Unsupported SFP+ module detected!"); 4090 device_printf(dev, 4091 "Reload driver with supported module.\n"); 4092 goto out; 4093 } else 4094 device_printf(dev, "SFP+ module detected!\n"); 4095 /* We now have supported optics */ 4096 result = TRUE; 4097 } 4098 out: 4099 4100 return (result); 4101 } /* ixgbe_sfp_probe */ 4102 4103 /************************************************************************ 4104 * ixgbe_handle_mod - Tasklet for SFP module interrupts 4105 ************************************************************************/ 4106 static void 4107 ixgbe_handle_mod(void *context) 4108 { 4109 struct adapter *adapter = context; 4110 struct ixgbe_hw *hw = &adapter->hw; 4111 device_t dev = adapter->dev; 4112 u32 err, cage_full = 0; 4113 4114 if (adapter->hw.need_crosstalk_fix) { 4115 switch (hw->mac.type) { 4116 case ixgbe_mac_82599EB: 4117 cage_full = IXGBE_READ_REG(hw, IXGBE_ESDP) & 4118 IXGBE_ESDP_SDP2; 4119 break; 4120 case ixgbe_mac_X550EM_x: 4121 case ixgbe_mac_X550EM_a: 4122 cage_full = IXGBE_READ_REG(hw, IXGBE_ESDP) & 4123 IXGBE_ESDP_SDP0; 4124 break; 4125 default: 4126 break; 4127 } 4128 4129 if (!cage_full) 4130 return; 4131 } 4132 4133 err = hw->phy.ops.identify_sfp(hw); 4134 if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) { 4135 device_printf(dev, 4136 "Unsupported SFP+ module type was detected.\n"); 4137 return; 4138 } 4139 4140 err = hw->mac.ops.setup_sfp(hw); 4141 if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) { 4142 device_printf(dev, 4143 "Setup failure - unsupported SFP+ module type.\n"); 4144 return; 4145 } 4146 softint_schedule(adapter->msf_si); 4147 } /* ixgbe_handle_mod */ 4148 4149 4150 /************************************************************************ 4151 * ixgbe_handle_msf - Tasklet for MSF (multispeed fiber) interrupts 4152 ************************************************************************/ 4153 static void 4154 ixgbe_handle_msf(void *context) 4155 { 4156 struct adapter *adapter = context; 4157 struct ixgbe_hw *hw = &adapter->hw; 4158 u32 autoneg; 4159 bool negotiate; 4160 4161 /* get_supported_phy_layer will call hw->phy.ops.identify_sfp() */ 4162 adapter->phy_layer = ixgbe_get_supported_physical_layer(hw); 4163 4164 autoneg = hw->phy.autoneg_advertised; 4165 if ((!autoneg) && (hw->mac.ops.get_link_capabilities)) 4166 hw->mac.ops.get_link_capabilities(hw, &autoneg, &negotiate); 4167 else 4168 negotiate = 0; 4169 if (hw->mac.ops.setup_link) 4170 hw->mac.ops.setup_link(hw, autoneg, TRUE); 4171 4172 /* Adjust media types shown in ifconfig */ 4173 ifmedia_removeall(&adapter->media); 4174 ixgbe_add_media_types(adapter); 4175 ifmedia_set(&adapter->media, IFM_ETHER | IFM_AUTO); 4176 } /* ixgbe_handle_msf */ 4177 4178 /************************************************************************ 4179 * ixgbe_handle_phy - Tasklet for external PHY interrupts 4180 ************************************************************************/ 4181 static void 4182 ixgbe_handle_phy(void *context) 4183 { 4184 struct adapter *adapter = context; 4185 struct ixgbe_hw *hw = &adapter->hw; 4186 int error; 4187 4188 error = hw->phy.ops.handle_lasi(hw); 4189 if (error == IXGBE_ERR_OVERTEMP) 4190 device_printf(adapter->dev, 4191 "CRITICAL: EXTERNAL PHY OVER TEMP!! " 4192 " PHY will downshift to lower power state!\n"); 4193 else if (error) 4194 device_printf(adapter->dev, 4195 "Error handling LASI interrupt: %d\n", error); 4196 } /* ixgbe_handle_phy */ 4197 4198 static void 4199 ixgbe_ifstop(struct ifnet *ifp, int disable) 4200 { 4201 struct adapter *adapter = ifp->if_softc; 4202 4203 IXGBE_CORE_LOCK(adapter); 4204 ixgbe_stop(adapter); 4205 IXGBE_CORE_UNLOCK(adapter); 4206 } 4207 4208 /************************************************************************ 4209 * ixgbe_stop - Stop the hardware 4210 * 4211 * Disables all traffic on the adapter by issuing a 4212 * global reset on the MAC and deallocates TX/RX buffers. 4213 ************************************************************************/ 4214 static void 4215 ixgbe_stop(void *arg) 4216 { 4217 struct ifnet *ifp; 4218 struct adapter *adapter = arg; 4219 struct ixgbe_hw *hw = &adapter->hw; 4220 4221 ifp = adapter->ifp; 4222 4223 KASSERT(mutex_owned(&adapter->core_mtx)); 4224 4225 INIT_DEBUGOUT("ixgbe_stop: begin\n"); 4226 ixgbe_disable_intr(adapter); 4227 callout_stop(&adapter->timer); 4228 4229 /* Let the stack know...*/ 4230 ifp->if_flags &= ~IFF_RUNNING; 4231 4232 ixgbe_reset_hw(hw); 4233 hw->adapter_stopped = FALSE; 4234 ixgbe_stop_adapter(hw); 4235 if (hw->mac.type == ixgbe_mac_82599EB) 4236 ixgbe_stop_mac_link_on_d3_82599(hw); 4237 /* Turn off the laser - noop with no optics */ 4238 ixgbe_disable_tx_laser(hw); 4239 4240 /* Update the stack */ 4241 adapter->link_up = FALSE; 4242 ixgbe_update_link_status(adapter); 4243 4244 /* reprogram the RAR[0] in case user changed it. */ 4245 ixgbe_set_rar(&adapter->hw, 0, adapter->hw.mac.addr, 0, IXGBE_RAH_AV); 4246 4247 return; 4248 } /* ixgbe_stop */ 4249 4250 /************************************************************************ 4251 * ixgbe_update_link_status - Update OS on link state 4252 * 4253 * Note: Only updates the OS on the cached link state. 4254 * The real check of the hardware only happens with 4255 * a link interrupt. 4256 ************************************************************************/ 4257 static void 4258 ixgbe_update_link_status(struct adapter *adapter) 4259 { 4260 struct ifnet *ifp = adapter->ifp; 4261 device_t dev = adapter->dev; 4262 struct ixgbe_hw *hw = &adapter->hw; 4263 4264 if (adapter->link_up) { 4265 if (adapter->link_active == FALSE) { 4266 if (adapter->link_speed == IXGBE_LINK_SPEED_10GB_FULL){ 4267 /* 4268 * Discard count for both MAC Local Fault and 4269 * Remote Fault because those registers are 4270 * valid only when the link speed is up and 4271 * 10Gbps. 4272 */ 4273 IXGBE_READ_REG(hw, IXGBE_MLFC); 4274 IXGBE_READ_REG(hw, IXGBE_MRFC); 4275 } 4276 4277 if (bootverbose) { 4278 const char *bpsmsg; 4279 4280 switch (adapter->link_speed) { 4281 case IXGBE_LINK_SPEED_10GB_FULL: 4282 bpsmsg = "10 Gbps"; 4283 break; 4284 case IXGBE_LINK_SPEED_5GB_FULL: 4285 bpsmsg = "5 Gbps"; 4286 break; 4287 case IXGBE_LINK_SPEED_2_5GB_FULL: 4288 bpsmsg = "2.5 Gbps"; 4289 break; 4290 case IXGBE_LINK_SPEED_1GB_FULL: 4291 bpsmsg = "1 Gbps"; 4292 break; 4293 case IXGBE_LINK_SPEED_100_FULL: 4294 bpsmsg = "100 Mbps"; 4295 break; 4296 case IXGBE_LINK_SPEED_10_FULL: 4297 bpsmsg = "10 Mbps"; 4298 break; 4299 default: 4300 bpsmsg = "unknown speed"; 4301 break; 4302 } 4303 device_printf(dev, "Link is up %s %s \n", 4304 bpsmsg, "Full Duplex"); 4305 } 4306 adapter->link_active = TRUE; 4307 /* Update any Flow Control changes */ 4308 ixgbe_fc_enable(&adapter->hw); 4309 /* Update DMA coalescing config */ 4310 ixgbe_config_dmac(adapter); 4311 if_link_state_change(ifp, LINK_STATE_UP); 4312 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) 4313 ixgbe_ping_all_vfs(adapter); 4314 } 4315 } else { /* Link down */ 4316 if (adapter->link_active == TRUE) { 4317 if (bootverbose) 4318 device_printf(dev, "Link is Down\n"); 4319 if_link_state_change(ifp, LINK_STATE_DOWN); 4320 adapter->link_active = FALSE; 4321 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) 4322 ixgbe_ping_all_vfs(adapter); 4323 } 4324 } 4325 4326 return; 4327 } /* ixgbe_update_link_status */ 4328 4329 /************************************************************************ 4330 * ixgbe_config_dmac - Configure DMA Coalescing 4331 ************************************************************************/ 4332 static void 4333 ixgbe_config_dmac(struct adapter *adapter) 4334 { 4335 struct ixgbe_hw *hw = &adapter->hw; 4336 struct ixgbe_dmac_config *dcfg = &hw->mac.dmac_config; 4337 4338 if (hw->mac.type < ixgbe_mac_X550 || !hw->mac.ops.dmac_config) 4339 return; 4340 4341 if (dcfg->watchdog_timer ^ adapter->dmac || 4342 dcfg->link_speed ^ adapter->link_speed) { 4343 dcfg->watchdog_timer = adapter->dmac; 4344 dcfg->fcoe_en = false; 4345 dcfg->link_speed = adapter->link_speed; 4346 dcfg->num_tcs = 1; 4347 4348 INIT_DEBUGOUT2("dmac settings: watchdog %d, link speed %d\n", 4349 dcfg->watchdog_timer, dcfg->link_speed); 4350 4351 hw->mac.ops.dmac_config(hw); 4352 } 4353 } /* ixgbe_config_dmac */ 4354 4355 /************************************************************************ 4356 * ixgbe_enable_intr 4357 ************************************************************************/ 4358 static void 4359 ixgbe_enable_intr(struct adapter *adapter) 4360 { 4361 struct ixgbe_hw *hw = &adapter->hw; 4362 struct ix_queue *que = adapter->queues; 4363 u32 mask, fwsm; 4364 4365 mask = (IXGBE_EIMS_ENABLE_MASK & ~IXGBE_EIMS_RTX_QUEUE); 4366 4367 switch (adapter->hw.mac.type) { 4368 case ixgbe_mac_82599EB: 4369 mask |= IXGBE_EIMS_ECC; 4370 /* Temperature sensor on some adapters */ 4371 mask |= IXGBE_EIMS_GPI_SDP0; 4372 /* SFP+ (RX_LOS_N & MOD_ABS_N) */ 4373 mask |= IXGBE_EIMS_GPI_SDP1; 4374 mask |= IXGBE_EIMS_GPI_SDP2; 4375 break; 4376 case ixgbe_mac_X540: 4377 /* Detect if Thermal Sensor is enabled */ 4378 fwsm = IXGBE_READ_REG(hw, IXGBE_FWSM); 4379 if (fwsm & IXGBE_FWSM_TS_ENABLED) 4380 mask |= IXGBE_EIMS_TS; 4381 mask |= IXGBE_EIMS_ECC; 4382 break; 4383 case ixgbe_mac_X550: 4384 /* MAC thermal sensor is automatically enabled */ 4385 mask |= IXGBE_EIMS_TS; 4386 mask |= IXGBE_EIMS_ECC; 4387 break; 4388 case ixgbe_mac_X550EM_x: 4389 case ixgbe_mac_X550EM_a: 4390 /* Some devices use SDP0 for important information */ 4391 if (hw->device_id == IXGBE_DEV_ID_X550EM_X_SFP || 4392 hw->device_id == IXGBE_DEV_ID_X550EM_A_SFP || 4393 hw->device_id == IXGBE_DEV_ID_X550EM_A_SFP_N || 4394 hw->device_id == IXGBE_DEV_ID_X550EM_X_10G_T) 4395 mask |= IXGBE_EIMS_GPI_SDP0_BY_MAC(hw); 4396 if (hw->phy.type == ixgbe_phy_x550em_ext_t) 4397 mask |= IXGBE_EICR_GPI_SDP0_X540; 4398 mask |= IXGBE_EIMS_ECC; 4399 break; 4400 default: 4401 break; 4402 } 4403 4404 /* Enable Fan Failure detection */ 4405 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) 4406 mask |= IXGBE_EIMS_GPI_SDP1; 4407 /* Enable SR-IOV */ 4408 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) 4409 mask |= IXGBE_EIMS_MAILBOX; 4410 /* Enable Flow Director */ 4411 if (adapter->feat_en & IXGBE_FEATURE_FDIR) 4412 mask |= IXGBE_EIMS_FLOW_DIR; 4413 4414 IXGBE_WRITE_REG(hw, IXGBE_EIMS, mask); 4415 4416 /* With MSI-X we use auto clear */ 4417 if (adapter->msix_mem) { 4418 mask = IXGBE_EIMS_ENABLE_MASK; 4419 /* Don't autoclear Link */ 4420 mask &= ~IXGBE_EIMS_OTHER; 4421 mask &= ~IXGBE_EIMS_LSC; 4422 if (adapter->feat_cap & IXGBE_FEATURE_SRIOV) 4423 mask &= ~IXGBE_EIMS_MAILBOX; 4424 IXGBE_WRITE_REG(hw, IXGBE_EIAC, mask); 4425 } 4426 4427 /* 4428 * Now enable all queues, this is done separately to 4429 * allow for handling the extended (beyond 32) MSI-X 4430 * vectors that can be used by 82599 4431 */ 4432 for (int i = 0; i < adapter->num_queues; i++, que++) 4433 ixgbe_enable_queue(adapter, que->msix); 4434 4435 IXGBE_WRITE_FLUSH(hw); 4436 4437 return; 4438 } /* ixgbe_enable_intr */ 4439 4440 /************************************************************************ 4441 * ixgbe_disable_intr 4442 ************************************************************************/ 4443 static void 4444 ixgbe_disable_intr(struct adapter *adapter) 4445 { 4446 if (adapter->msix_mem) 4447 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIAC, 0); 4448 if (adapter->hw.mac.type == ixgbe_mac_82598EB) { 4449 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, ~0); 4450 } else { 4451 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFF0000); 4452 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC_EX(0), ~0); 4453 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC_EX(1), ~0); 4454 } 4455 IXGBE_WRITE_FLUSH(&adapter->hw); 4456 4457 return; 4458 } /* ixgbe_disable_intr */ 4459 4460 /************************************************************************ 4461 * ixgbe_legacy_irq - Legacy Interrupt Service routine 4462 ************************************************************************/ 4463 static int 4464 ixgbe_legacy_irq(void *arg) 4465 { 4466 struct ix_queue *que = arg; 4467 struct adapter *adapter = que->adapter; 4468 struct ixgbe_hw *hw = &adapter->hw; 4469 struct ifnet *ifp = adapter->ifp; 4470 struct tx_ring *txr = adapter->tx_rings; 4471 bool more = false; 4472 u32 eicr, eicr_mask; 4473 4474 /* Silicon errata #26 on 82598 */ 4475 IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_IRQ_CLEAR_MASK); 4476 4477 eicr = IXGBE_READ_REG(hw, IXGBE_EICR); 4478 4479 adapter->stats.pf.legint.ev_count++; 4480 ++que->irqs.ev_count; 4481 if (eicr == 0) { 4482 adapter->stats.pf.intzero.ev_count++; 4483 if ((ifp->if_flags & IFF_UP) != 0) 4484 ixgbe_enable_intr(adapter); 4485 return 0; 4486 } 4487 4488 if ((ifp->if_flags & IFF_RUNNING) != 0) { 4489 #ifdef __NetBSD__ 4490 /* Don't run ixgbe_rxeof in interrupt context */ 4491 more = true; 4492 #else 4493 more = ixgbe_rxeof(que); 4494 #endif 4495 4496 IXGBE_TX_LOCK(txr); 4497 ixgbe_txeof(txr); 4498 #ifdef notyet 4499 if (!ixgbe_ring_empty(ifp, txr->br)) 4500 ixgbe_start_locked(ifp, txr); 4501 #endif 4502 IXGBE_TX_UNLOCK(txr); 4503 } 4504 4505 /* Check for fan failure */ 4506 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) { 4507 ixgbe_check_fan_failure(adapter, eicr, true); 4508 IXGBE_WRITE_REG(hw, IXGBE_EIMS, IXGBE_EICR_GPI_SDP1_BY_MAC(hw)); 4509 } 4510 4511 /* Link status change */ 4512 if (eicr & IXGBE_EICR_LSC) 4513 softint_schedule(adapter->link_si); 4514 4515 if (ixgbe_is_sfp(hw)) { 4516 /* Pluggable optics-related interrupt */ 4517 if (hw->mac.type >= ixgbe_mac_X540) 4518 eicr_mask = IXGBE_EICR_GPI_SDP0_X540; 4519 else 4520 eicr_mask = IXGBE_EICR_GPI_SDP2_BY_MAC(hw); 4521 4522 if (eicr & eicr_mask) { 4523 IXGBE_WRITE_REG(hw, IXGBE_EICR, eicr_mask); 4524 softint_schedule(adapter->mod_si); 4525 } 4526 4527 if ((hw->mac.type == ixgbe_mac_82599EB) && 4528 (eicr & IXGBE_EICR_GPI_SDP1_BY_MAC(hw))) { 4529 IXGBE_WRITE_REG(hw, IXGBE_EICR, 4530 IXGBE_EICR_GPI_SDP1_BY_MAC(hw)); 4531 softint_schedule(adapter->msf_si); 4532 } 4533 } 4534 4535 /* External PHY interrupt */ 4536 if ((hw->phy.type == ixgbe_phy_x550em_ext_t) && 4537 (eicr & IXGBE_EICR_GPI_SDP0_X540)) 4538 softint_schedule(adapter->phy_si); 4539 4540 if (more) 4541 softint_schedule(que->que_si); 4542 else 4543 ixgbe_enable_intr(adapter); 4544 4545 return 1; 4546 } /* ixgbe_legacy_irq */ 4547 4548 /************************************************************************ 4549 * ixgbe_free_pci_resources 4550 ************************************************************************/ 4551 static void 4552 ixgbe_free_pci_resources(struct adapter *adapter) 4553 { 4554 struct ix_queue *que = adapter->queues; 4555 int rid; 4556 4557 /* 4558 * Release all msix queue resources: 4559 */ 4560 for (int i = 0; i < adapter->num_queues; i++, que++) { 4561 if (que->res != NULL) 4562 pci_intr_disestablish(adapter->osdep.pc, 4563 adapter->osdep.ihs[i]); 4564 } 4565 4566 /* Clean the Legacy or Link interrupt last */ 4567 if (adapter->vector) /* we are doing MSIX */ 4568 rid = adapter->vector; 4569 else 4570 rid = 0; 4571 4572 if (adapter->osdep.ihs[rid] != NULL) { 4573 pci_intr_disestablish(adapter->osdep.pc, 4574 adapter->osdep.ihs[rid]); 4575 adapter->osdep.ihs[rid] = NULL; 4576 } 4577 4578 pci_intr_release(adapter->osdep.pc, adapter->osdep.intrs, 4579 adapter->osdep.nintrs); 4580 4581 if (adapter->osdep.mem_size != 0) { 4582 bus_space_unmap(adapter->osdep.mem_bus_space_tag, 4583 adapter->osdep.mem_bus_space_handle, 4584 adapter->osdep.mem_size); 4585 } 4586 4587 return; 4588 } /* ixgbe_free_pci_resources */ 4589 4590 /************************************************************************ 4591 * ixgbe_set_sysctl_value 4592 ************************************************************************/ 4593 static void 4594 ixgbe_set_sysctl_value(struct adapter *adapter, const char *name, 4595 const char *description, int *limit, int value) 4596 { 4597 device_t dev = adapter->dev; 4598 struct sysctllog **log; 4599 const struct sysctlnode *rnode, *cnode; 4600 4601 log = &adapter->sysctllog; 4602 if ((rnode = ixgbe_sysctl_instance(adapter)) == NULL) { 4603 aprint_error_dev(dev, "could not create sysctl root\n"); 4604 return; 4605 } 4606 if (sysctl_createv(log, 0, &rnode, &cnode, 4607 CTLFLAG_READWRITE, CTLTYPE_INT, 4608 name, SYSCTL_DESCR(description), 4609 NULL, 0, limit, 0, CTL_CREATE, CTL_EOL) != 0) 4610 aprint_error_dev(dev, "could not create sysctl\n"); 4611 *limit = value; 4612 } /* ixgbe_set_sysctl_value */ 4613 4614 /************************************************************************ 4615 * ixgbe_sysctl_flowcntl 4616 * 4617 * SYSCTL wrapper around setting Flow Control 4618 ************************************************************************/ 4619 static int 4620 ixgbe_sysctl_flowcntl(SYSCTLFN_ARGS) 4621 { 4622 struct sysctlnode node = *rnode; 4623 struct adapter *adapter = (struct adapter *)node.sysctl_data; 4624 int error, fc; 4625 4626 fc = adapter->hw.fc.current_mode; 4627 node.sysctl_data = &fc; 4628 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 4629 if (error != 0 || newp == NULL) 4630 return error; 4631 4632 /* Don't bother if it's not changed */ 4633 if (fc == adapter->hw.fc.current_mode) 4634 return (0); 4635 4636 return ixgbe_set_flowcntl(adapter, fc); 4637 } /* ixgbe_sysctl_flowcntl */ 4638 4639 /************************************************************************ 4640 * ixgbe_set_flowcntl - Set flow control 4641 * 4642 * Flow control values: 4643 * 0 - off 4644 * 1 - rx pause 4645 * 2 - tx pause 4646 * 3 - full 4647 ************************************************************************/ 4648 static int 4649 ixgbe_set_flowcntl(struct adapter *adapter, int fc) 4650 { 4651 switch (fc) { 4652 case ixgbe_fc_rx_pause: 4653 case ixgbe_fc_tx_pause: 4654 case ixgbe_fc_full: 4655 adapter->hw.fc.requested_mode = fc; 4656 if (adapter->num_queues > 1) 4657 ixgbe_disable_rx_drop(adapter); 4658 break; 4659 case ixgbe_fc_none: 4660 adapter->hw.fc.requested_mode = ixgbe_fc_none; 4661 if (adapter->num_queues > 1) 4662 ixgbe_enable_rx_drop(adapter); 4663 break; 4664 default: 4665 return (EINVAL); 4666 } 4667 4668 #if 0 /* XXX NetBSD */ 4669 /* Don't autoneg if forcing a value */ 4670 adapter->hw.fc.disable_fc_autoneg = TRUE; 4671 #endif 4672 ixgbe_fc_enable(&adapter->hw); 4673 4674 return (0); 4675 } /* ixgbe_set_flowcntl */ 4676 4677 /************************************************************************ 4678 * ixgbe_enable_rx_drop 4679 * 4680 * Enable the hardware to drop packets when the buffer is 4681 * full. This is useful with multiqueue, so that no single 4682 * queue being full stalls the entire RX engine. We only 4683 * enable this when Multiqueue is enabled AND Flow Control 4684 * is disabled. 4685 ************************************************************************/ 4686 static void 4687 ixgbe_enable_rx_drop(struct adapter *adapter) 4688 { 4689 struct ixgbe_hw *hw = &adapter->hw; 4690 struct rx_ring *rxr; 4691 u32 srrctl; 4692 4693 for (int i = 0; i < adapter->num_queues; i++) { 4694 rxr = &adapter->rx_rings[i]; 4695 srrctl = IXGBE_READ_REG(hw, IXGBE_SRRCTL(rxr->me)); 4696 srrctl |= IXGBE_SRRCTL_DROP_EN; 4697 IXGBE_WRITE_REG(hw, IXGBE_SRRCTL(rxr->me), srrctl); 4698 } 4699 4700 /* enable drop for each vf */ 4701 for (int i = 0; i < adapter->num_vfs; i++) { 4702 IXGBE_WRITE_REG(hw, IXGBE_QDE, 4703 (IXGBE_QDE_WRITE | (i << IXGBE_QDE_IDX_SHIFT) | 4704 IXGBE_QDE_ENABLE)); 4705 } 4706 } /* ixgbe_enable_rx_drop */ 4707 4708 /************************************************************************ 4709 * ixgbe_disable_rx_drop 4710 ************************************************************************/ 4711 static void 4712 ixgbe_disable_rx_drop(struct adapter *adapter) 4713 { 4714 struct ixgbe_hw *hw = &adapter->hw; 4715 struct rx_ring *rxr; 4716 u32 srrctl; 4717 4718 for (int i = 0; i < adapter->num_queues; i++) { 4719 rxr = &adapter->rx_rings[i]; 4720 srrctl = IXGBE_READ_REG(hw, IXGBE_SRRCTL(rxr->me)); 4721 srrctl &= ~IXGBE_SRRCTL_DROP_EN; 4722 IXGBE_WRITE_REG(hw, IXGBE_SRRCTL(rxr->me), srrctl); 4723 } 4724 4725 /* disable drop for each vf */ 4726 for (int i = 0; i < adapter->num_vfs; i++) { 4727 IXGBE_WRITE_REG(hw, IXGBE_QDE, 4728 (IXGBE_QDE_WRITE | (i << IXGBE_QDE_IDX_SHIFT))); 4729 } 4730 } /* ixgbe_disable_rx_drop */ 4731 4732 /************************************************************************ 4733 * ixgbe_sysctl_advertise 4734 * 4735 * SYSCTL wrapper around setting advertised speed 4736 ************************************************************************/ 4737 static int 4738 ixgbe_sysctl_advertise(SYSCTLFN_ARGS) 4739 { 4740 struct sysctlnode node = *rnode; 4741 struct adapter *adapter = (struct adapter *)node.sysctl_data; 4742 int error = 0, advertise; 4743 4744 advertise = adapter->advertise; 4745 node.sysctl_data = &advertise; 4746 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 4747 if (error != 0 || newp == NULL) 4748 return error; 4749 4750 return ixgbe_set_advertise(adapter, advertise); 4751 } /* ixgbe_sysctl_advertise */ 4752 4753 /************************************************************************ 4754 * ixgbe_set_advertise - Control advertised link speed 4755 * 4756 * Flags: 4757 * 0x00 - Default (all capable link speed) 4758 * 0x01 - advertise 100 Mb 4759 * 0x02 - advertise 1G 4760 * 0x04 - advertise 10G 4761 * 0x08 - advertise 10 Mb 4762 * 0x10 - advertise 2.5G 4763 * 0x20 - advertise 5G 4764 ************************************************************************/ 4765 static int 4766 ixgbe_set_advertise(struct adapter *adapter, int advertise) 4767 { 4768 device_t dev; 4769 struct ixgbe_hw *hw; 4770 ixgbe_link_speed speed = 0; 4771 ixgbe_link_speed link_caps = 0; 4772 s32 err = IXGBE_NOT_IMPLEMENTED; 4773 bool negotiate = FALSE; 4774 4775 /* Checks to validate new value */ 4776 if (adapter->advertise == advertise) /* no change */ 4777 return (0); 4778 4779 dev = adapter->dev; 4780 hw = &adapter->hw; 4781 4782 /* No speed changes for backplane media */ 4783 if (hw->phy.media_type == ixgbe_media_type_backplane) 4784 return (ENODEV); 4785 4786 if (!((hw->phy.media_type == ixgbe_media_type_copper) || 4787 (hw->phy.multispeed_fiber))) { 4788 device_printf(dev, 4789 "Advertised speed can only be set on copper or " 4790 "multispeed fiber media types.\n"); 4791 return (EINVAL); 4792 } 4793 4794 if (advertise < 0x0 || advertise > 0x2f) { 4795 device_printf(dev, 4796 "Invalid advertised speed; valid modes are 0x0 through 0x7\n"); 4797 return (EINVAL); 4798 } 4799 4800 if (hw->mac.ops.get_link_capabilities) { 4801 err = hw->mac.ops.get_link_capabilities(hw, &link_caps, 4802 &negotiate); 4803 if (err != IXGBE_SUCCESS) { 4804 device_printf(dev, "Unable to determine supported advertise speeds\n"); 4805 return (ENODEV); 4806 } 4807 } 4808 4809 /* Set new value and report new advertised mode */ 4810 if (advertise & 0x1) { 4811 if (!(link_caps & IXGBE_LINK_SPEED_100_FULL)) { 4812 device_printf(dev, "Interface does not support 100Mb advertised speed\n"); 4813 return (EINVAL); 4814 } 4815 speed |= IXGBE_LINK_SPEED_100_FULL; 4816 } 4817 if (advertise & 0x2) { 4818 if (!(link_caps & IXGBE_LINK_SPEED_1GB_FULL)) { 4819 device_printf(dev, "Interface does not support 1Gb advertised speed\n"); 4820 return (EINVAL); 4821 } 4822 speed |= IXGBE_LINK_SPEED_1GB_FULL; 4823 } 4824 if (advertise & 0x4) { 4825 if (!(link_caps & IXGBE_LINK_SPEED_10GB_FULL)) { 4826 device_printf(dev, "Interface does not support 10Gb advertised speed\n"); 4827 return (EINVAL); 4828 } 4829 speed |= IXGBE_LINK_SPEED_10GB_FULL; 4830 } 4831 if (advertise & 0x8) { 4832 if (!(link_caps & IXGBE_LINK_SPEED_10_FULL)) { 4833 device_printf(dev, "Interface does not support 10Mb advertised speed\n"); 4834 return (EINVAL); 4835 } 4836 speed |= IXGBE_LINK_SPEED_10_FULL; 4837 } 4838 if (advertise & 0x10) { 4839 if (!(link_caps & IXGBE_LINK_SPEED_2_5GB_FULL)) { 4840 device_printf(dev, "Interface does not support 2.5Gb advertised speed\n"); 4841 return (EINVAL); 4842 } 4843 speed |= IXGBE_LINK_SPEED_2_5GB_FULL; 4844 } 4845 if (advertise & 0x20) { 4846 if (!(link_caps & IXGBE_LINK_SPEED_5GB_FULL)) { 4847 device_printf(dev, "Interface does not support 5Gb advertised speed\n"); 4848 return (EINVAL); 4849 } 4850 speed |= IXGBE_LINK_SPEED_5GB_FULL; 4851 } 4852 if (advertise == 0) 4853 speed = link_caps; /* All capable link speed */ 4854 4855 hw->mac.autotry_restart = TRUE; 4856 hw->mac.ops.setup_link(hw, speed, TRUE); 4857 adapter->advertise = advertise; 4858 4859 return (0); 4860 } /* ixgbe_set_advertise */ 4861 4862 /************************************************************************ 4863 * ixgbe_get_advertise - Get current advertised speed settings 4864 * 4865 * Formatted for sysctl usage. 4866 * Flags: 4867 * 0x01 - advertise 100 Mb 4868 * 0x02 - advertise 1G 4869 * 0x04 - advertise 10G 4870 * 0x08 - advertise 10 Mb (yes, Mb) 4871 * 0x10 - advertise 2.5G 4872 * 0x20 - advertise 5G 4873 ************************************************************************/ 4874 static int 4875 ixgbe_get_advertise(struct adapter *adapter) 4876 { 4877 struct ixgbe_hw *hw = &adapter->hw; 4878 int speed; 4879 ixgbe_link_speed link_caps = 0; 4880 s32 err; 4881 bool negotiate = FALSE; 4882 4883 /* 4884 * Advertised speed means nothing unless it's copper or 4885 * multi-speed fiber 4886 */ 4887 if (!(hw->phy.media_type == ixgbe_media_type_copper) && 4888 !(hw->phy.multispeed_fiber)) 4889 return (0); 4890 4891 err = hw->mac.ops.get_link_capabilities(hw, &link_caps, &negotiate); 4892 if (err != IXGBE_SUCCESS) 4893 return (0); 4894 4895 speed = 4896 ((link_caps & IXGBE_LINK_SPEED_10GB_FULL) ? 0x04 : 0) | 4897 ((link_caps & IXGBE_LINK_SPEED_1GB_FULL) ? 0x02 : 0) | 4898 ((link_caps & IXGBE_LINK_SPEED_100_FULL) ? 0x01 : 0) | 4899 ((link_caps & IXGBE_LINK_SPEED_10_FULL) ? 0x08 : 0) | 4900 ((link_caps & IXGBE_LINK_SPEED_2_5GB_FULL) ? 0x10 : 0) | 4901 ((link_caps & IXGBE_LINK_SPEED_5GB_FULL) ? 0x20 : 0); 4902 4903 return speed; 4904 } /* ixgbe_get_advertise */ 4905 4906 /************************************************************************ 4907 * ixgbe_sysctl_dmac - Manage DMA Coalescing 4908 * 4909 * Control values: 4910 * 0/1 - off / on (use default value of 1000) 4911 * 4912 * Legal timer values are: 4913 * 50,100,250,500,1000,2000,5000,10000 4914 * 4915 * Turning off interrupt moderation will also turn this off. 4916 ************************************************************************/ 4917 static int 4918 ixgbe_sysctl_dmac(SYSCTLFN_ARGS) 4919 { 4920 struct sysctlnode node = *rnode; 4921 struct adapter *adapter = (struct adapter *)node.sysctl_data; 4922 struct ifnet *ifp = adapter->ifp; 4923 int error; 4924 int newval; 4925 4926 newval = adapter->dmac; 4927 node.sysctl_data = &newval; 4928 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 4929 if ((error) || (newp == NULL)) 4930 return (error); 4931 4932 switch (newval) { 4933 case 0: 4934 /* Disabled */ 4935 adapter->dmac = 0; 4936 break; 4937 case 1: 4938 /* Enable and use default */ 4939 adapter->dmac = 1000; 4940 break; 4941 case 50: 4942 case 100: 4943 case 250: 4944 case 500: 4945 case 1000: 4946 case 2000: 4947 case 5000: 4948 case 10000: 4949 /* Legal values - allow */ 4950 adapter->dmac = newval; 4951 break; 4952 default: 4953 /* Do nothing, illegal value */ 4954 return (EINVAL); 4955 } 4956 4957 /* Re-initialize hardware if it's already running */ 4958 if (ifp->if_flags & IFF_RUNNING) 4959 ixgbe_init(ifp); 4960 4961 return (0); 4962 } 4963 4964 #ifdef IXGBE_DEBUG 4965 /************************************************************************ 4966 * ixgbe_sysctl_power_state 4967 * 4968 * Sysctl to test power states 4969 * Values: 4970 * 0 - set device to D0 4971 * 3 - set device to D3 4972 * (none) - get current device power state 4973 ************************************************************************/ 4974 static int 4975 ixgbe_sysctl_power_state(SYSCTLFN_ARGS) 4976 { 4977 #ifdef notyet 4978 struct sysctlnode node = *rnode; 4979 struct adapter *adapter = (struct adapter *)node.sysctl_data; 4980 device_t dev = adapter->dev; 4981 int curr_ps, new_ps, error = 0; 4982 4983 curr_ps = new_ps = pci_get_powerstate(dev); 4984 4985 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 4986 if ((error) || (req->newp == NULL)) 4987 return (error); 4988 4989 if (new_ps == curr_ps) 4990 return (0); 4991 4992 if (new_ps == 3 && curr_ps == 0) 4993 error = DEVICE_SUSPEND(dev); 4994 else if (new_ps == 0 && curr_ps == 3) 4995 error = DEVICE_RESUME(dev); 4996 else 4997 return (EINVAL); 4998 4999 device_printf(dev, "New state: %d\n", pci_get_powerstate(dev)); 5000 5001 return (error); 5002 #else 5003 return 0; 5004 #endif 5005 } /* ixgbe_sysctl_power_state */ 5006 #endif 5007 5008 /************************************************************************ 5009 * ixgbe_sysctl_wol_enable 5010 * 5011 * Sysctl to enable/disable the WoL capability, 5012 * if supported by the adapter. 5013 * 5014 * Values: 5015 * 0 - disabled 5016 * 1 - enabled 5017 ************************************************************************/ 5018 static int 5019 ixgbe_sysctl_wol_enable(SYSCTLFN_ARGS) 5020 { 5021 struct sysctlnode node = *rnode; 5022 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5023 struct ixgbe_hw *hw = &adapter->hw; 5024 bool new_wol_enabled; 5025 int error = 0; 5026 5027 new_wol_enabled = hw->wol_enabled; 5028 node.sysctl_data = &new_wol_enabled; 5029 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5030 if ((error) || (newp == NULL)) 5031 return (error); 5032 if (new_wol_enabled == hw->wol_enabled) 5033 return (0); 5034 5035 if (new_wol_enabled && !adapter->wol_support) 5036 return (ENODEV); 5037 else 5038 hw->wol_enabled = new_wol_enabled; 5039 5040 return (0); 5041 } /* ixgbe_sysctl_wol_enable */ 5042 5043 /************************************************************************ 5044 * ixgbe_sysctl_wufc - Wake Up Filter Control 5045 * 5046 * Sysctl to enable/disable the types of packets that the 5047 * adapter will wake up on upon receipt. 5048 * Flags: 5049 * 0x1 - Link Status Change 5050 * 0x2 - Magic Packet 5051 * 0x4 - Direct Exact 5052 * 0x8 - Directed Multicast 5053 * 0x10 - Broadcast 5054 * 0x20 - ARP/IPv4 Request Packet 5055 * 0x40 - Direct IPv4 Packet 5056 * 0x80 - Direct IPv6 Packet 5057 * 5058 * Settings not listed above will cause the sysctl to return an error. 5059 ************************************************************************/ 5060 static int 5061 ixgbe_sysctl_wufc(SYSCTLFN_ARGS) 5062 { 5063 struct sysctlnode node = *rnode; 5064 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5065 int error = 0; 5066 u32 new_wufc; 5067 5068 new_wufc = adapter->wufc; 5069 node.sysctl_data = &new_wufc; 5070 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5071 if ((error) || (newp == NULL)) 5072 return (error); 5073 if (new_wufc == adapter->wufc) 5074 return (0); 5075 5076 if (new_wufc & 0xffffff00) 5077 return (EINVAL); 5078 5079 new_wufc &= 0xff; 5080 new_wufc |= (0xffffff & adapter->wufc); 5081 adapter->wufc = new_wufc; 5082 5083 return (0); 5084 } /* ixgbe_sysctl_wufc */ 5085 5086 #ifdef IXGBE_DEBUG 5087 /************************************************************************ 5088 * ixgbe_sysctl_print_rss_config 5089 ************************************************************************/ 5090 static int 5091 ixgbe_sysctl_print_rss_config(SYSCTLFN_ARGS) 5092 { 5093 #ifdef notyet 5094 struct sysctlnode node = *rnode; 5095 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5096 struct ixgbe_hw *hw = &adapter->hw; 5097 device_t dev = adapter->dev; 5098 struct sbuf *buf; 5099 int error = 0, reta_size; 5100 u32 reg; 5101 5102 buf = sbuf_new_for_sysctl(NULL, NULL, 128, req); 5103 if (!buf) { 5104 device_printf(dev, "Could not allocate sbuf for output.\n"); 5105 return (ENOMEM); 5106 } 5107 5108 // TODO: use sbufs to make a string to print out 5109 /* Set multiplier for RETA setup and table size based on MAC */ 5110 switch (adapter->hw.mac.type) { 5111 case ixgbe_mac_X550: 5112 case ixgbe_mac_X550EM_x: 5113 case ixgbe_mac_X550EM_a: 5114 reta_size = 128; 5115 break; 5116 default: 5117 reta_size = 32; 5118 break; 5119 } 5120 5121 /* Print out the redirection table */ 5122 sbuf_cat(buf, "\n"); 5123 for (int i = 0; i < reta_size; i++) { 5124 if (i < 32) { 5125 reg = IXGBE_READ_REG(hw, IXGBE_RETA(i)); 5126 sbuf_printf(buf, "RETA(%2d): 0x%08x\n", i, reg); 5127 } else { 5128 reg = IXGBE_READ_REG(hw, IXGBE_ERETA(i - 32)); 5129 sbuf_printf(buf, "ERETA(%2d): 0x%08x\n", i - 32, reg); 5130 } 5131 } 5132 5133 // TODO: print more config 5134 5135 error = sbuf_finish(buf); 5136 if (error) 5137 device_printf(dev, "Error finishing sbuf: %d\n", error); 5138 5139 sbuf_delete(buf); 5140 #endif 5141 return (0); 5142 } /* ixgbe_sysctl_print_rss_config */ 5143 #endif /* IXGBE_DEBUG */ 5144 5145 /************************************************************************ 5146 * ixgbe_sysctl_phy_temp - Retrieve temperature of PHY 5147 * 5148 * For X552/X557-AT devices using an external PHY 5149 ************************************************************************/ 5150 static int 5151 ixgbe_sysctl_phy_temp(SYSCTLFN_ARGS) 5152 { 5153 struct sysctlnode node = *rnode; 5154 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5155 struct ixgbe_hw *hw = &adapter->hw; 5156 int val; 5157 u16 reg; 5158 int error; 5159 5160 if (hw->device_id != IXGBE_DEV_ID_X550EM_X_10G_T) { 5161 device_printf(adapter->dev, 5162 "Device has no supported external thermal sensor.\n"); 5163 return (ENODEV); 5164 } 5165 5166 if (hw->phy.ops.read_reg(hw, IXGBE_PHY_CURRENT_TEMP, 5167 IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, ®)) { 5168 device_printf(adapter->dev, 5169 "Error reading from PHY's current temperature register\n"); 5170 return (EAGAIN); 5171 } 5172 5173 node.sysctl_data = &val; 5174 5175 /* Shift temp for output */ 5176 val = reg >> 8; 5177 5178 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5179 if ((error) || (newp == NULL)) 5180 return (error); 5181 5182 return (0); 5183 } /* ixgbe_sysctl_phy_temp */ 5184 5185 /************************************************************************ 5186 * ixgbe_sysctl_phy_overtemp_occurred 5187 * 5188 * Reports (directly from the PHY) whether the current PHY 5189 * temperature is over the overtemp threshold. 5190 ************************************************************************/ 5191 static int 5192 ixgbe_sysctl_phy_overtemp_occurred(SYSCTLFN_ARGS) 5193 { 5194 struct sysctlnode node = *rnode; 5195 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5196 struct ixgbe_hw *hw = &adapter->hw; 5197 int val, error; 5198 u16 reg; 5199 5200 if (hw->device_id != IXGBE_DEV_ID_X550EM_X_10G_T) { 5201 device_printf(adapter->dev, 5202 "Device has no supported external thermal sensor.\n"); 5203 return (ENODEV); 5204 } 5205 5206 if (hw->phy.ops.read_reg(hw, IXGBE_PHY_OVERTEMP_STATUS, 5207 IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, ®)) { 5208 device_printf(adapter->dev, 5209 "Error reading from PHY's temperature status register\n"); 5210 return (EAGAIN); 5211 } 5212 5213 node.sysctl_data = &val; 5214 5215 /* Get occurrence bit */ 5216 val = !!(reg & 0x4000); 5217 5218 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5219 if ((error) || (newp == NULL)) 5220 return (error); 5221 5222 return (0); 5223 } /* ixgbe_sysctl_phy_overtemp_occurred */ 5224 5225 /************************************************************************ 5226 * ixgbe_sysctl_eee_state 5227 * 5228 * Sysctl to set EEE power saving feature 5229 * Values: 5230 * 0 - disable EEE 5231 * 1 - enable EEE 5232 * (none) - get current device EEE state 5233 ************************************************************************/ 5234 static int 5235 ixgbe_sysctl_eee_state(SYSCTLFN_ARGS) 5236 { 5237 struct sysctlnode node = *rnode; 5238 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5239 struct ifnet *ifp = adapter->ifp; 5240 device_t dev = adapter->dev; 5241 int curr_eee, new_eee, error = 0; 5242 s32 retval; 5243 5244 curr_eee = new_eee = !!(adapter->feat_en & IXGBE_FEATURE_EEE); 5245 node.sysctl_data = &new_eee; 5246 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5247 if ((error) || (newp == NULL)) 5248 return (error); 5249 5250 /* Nothing to do */ 5251 if (new_eee == curr_eee) 5252 return (0); 5253 5254 /* Not supported */ 5255 if (!(adapter->feat_cap & IXGBE_FEATURE_EEE)) 5256 return (EINVAL); 5257 5258 /* Bounds checking */ 5259 if ((new_eee < 0) || (new_eee > 1)) 5260 return (EINVAL); 5261 5262 retval = adapter->hw.mac.ops.setup_eee(&adapter->hw, new_eee); 5263 if (retval) { 5264 device_printf(dev, "Error in EEE setup: 0x%08X\n", retval); 5265 return (EINVAL); 5266 } 5267 5268 /* Restart auto-neg */ 5269 ixgbe_init(ifp); 5270 5271 device_printf(dev, "New EEE state: %d\n", new_eee); 5272 5273 /* Cache new value */ 5274 if (new_eee) 5275 adapter->feat_en |= IXGBE_FEATURE_EEE; 5276 else 5277 adapter->feat_en &= ~IXGBE_FEATURE_EEE; 5278 5279 return (error); 5280 } /* ixgbe_sysctl_eee_state */ 5281 5282 /************************************************************************ 5283 * ixgbe_init_device_features 5284 ************************************************************************/ 5285 static void 5286 ixgbe_init_device_features(struct adapter *adapter) 5287 { 5288 adapter->feat_cap = IXGBE_FEATURE_NETMAP 5289 | IXGBE_FEATURE_RSS 5290 | IXGBE_FEATURE_MSI 5291 | IXGBE_FEATURE_MSIX 5292 | IXGBE_FEATURE_LEGACY_IRQ 5293 | IXGBE_FEATURE_LEGACY_TX; 5294 5295 /* Set capabilities first... */ 5296 switch (adapter->hw.mac.type) { 5297 case ixgbe_mac_82598EB: 5298 if (adapter->hw.device_id == IXGBE_DEV_ID_82598AT) 5299 adapter->feat_cap |= IXGBE_FEATURE_FAN_FAIL; 5300 break; 5301 case ixgbe_mac_X540: 5302 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 5303 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 5304 if ((adapter->hw.device_id == IXGBE_DEV_ID_X540_BYPASS) && 5305 (adapter->hw.bus.func == 0)) 5306 adapter->feat_cap |= IXGBE_FEATURE_BYPASS; 5307 break; 5308 case ixgbe_mac_X550: 5309 adapter->feat_cap |= IXGBE_FEATURE_TEMP_SENSOR; 5310 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 5311 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 5312 break; 5313 case ixgbe_mac_X550EM_x: 5314 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 5315 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 5316 if (adapter->hw.device_id == IXGBE_DEV_ID_X550EM_X_KR) 5317 adapter->feat_cap |= IXGBE_FEATURE_EEE; 5318 break; 5319 case ixgbe_mac_X550EM_a: 5320 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 5321 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 5322 adapter->feat_cap &= ~IXGBE_FEATURE_LEGACY_IRQ; 5323 if ((adapter->hw.device_id == IXGBE_DEV_ID_X550EM_A_1G_T) || 5324 (adapter->hw.device_id == IXGBE_DEV_ID_X550EM_A_1G_T_L)) { 5325 adapter->feat_cap |= IXGBE_FEATURE_TEMP_SENSOR; 5326 adapter->feat_cap |= IXGBE_FEATURE_EEE; 5327 } 5328 break; 5329 case ixgbe_mac_82599EB: 5330 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 5331 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 5332 if ((adapter->hw.device_id == IXGBE_DEV_ID_82599_BYPASS) && 5333 (adapter->hw.bus.func == 0)) 5334 adapter->feat_cap |= IXGBE_FEATURE_BYPASS; 5335 if (adapter->hw.device_id == IXGBE_DEV_ID_82599_QSFP_SF_QP) 5336 adapter->feat_cap &= ~IXGBE_FEATURE_LEGACY_IRQ; 5337 break; 5338 default: 5339 break; 5340 } 5341 5342 /* Enabled by default... */ 5343 /* Fan failure detection */ 5344 if (adapter->feat_cap & IXGBE_FEATURE_FAN_FAIL) 5345 adapter->feat_en |= IXGBE_FEATURE_FAN_FAIL; 5346 /* Netmap */ 5347 if (adapter->feat_cap & IXGBE_FEATURE_NETMAP) 5348 adapter->feat_en |= IXGBE_FEATURE_NETMAP; 5349 /* EEE */ 5350 if (adapter->feat_cap & IXGBE_FEATURE_EEE) 5351 adapter->feat_en |= IXGBE_FEATURE_EEE; 5352 /* Thermal Sensor */ 5353 if (adapter->feat_cap & IXGBE_FEATURE_TEMP_SENSOR) 5354 adapter->feat_en |= IXGBE_FEATURE_TEMP_SENSOR; 5355 5356 /* Enabled via global sysctl... */ 5357 /* Flow Director */ 5358 if (ixgbe_enable_fdir) { 5359 if (adapter->feat_cap & IXGBE_FEATURE_FDIR) 5360 adapter->feat_en |= IXGBE_FEATURE_FDIR; 5361 else 5362 device_printf(adapter->dev, "Device does not support Flow Director. Leaving disabled."); 5363 } 5364 /* Legacy (single queue) transmit */ 5365 if ((adapter->feat_cap & IXGBE_FEATURE_LEGACY_TX) && 5366 ixgbe_enable_legacy_tx) 5367 adapter->feat_en |= IXGBE_FEATURE_LEGACY_TX; 5368 /* 5369 * Message Signal Interrupts - Extended (MSI-X) 5370 * Normal MSI is only enabled if MSI-X calls fail. 5371 */ 5372 if (!ixgbe_enable_msix) 5373 adapter->feat_cap &= ~IXGBE_FEATURE_MSIX; 5374 /* Receive-Side Scaling (RSS) */ 5375 if ((adapter->feat_cap & IXGBE_FEATURE_RSS) && ixgbe_enable_rss) 5376 adapter->feat_en |= IXGBE_FEATURE_RSS; 5377 5378 /* Disable features with unmet dependencies... */ 5379 /* No MSI-X */ 5380 if (!(adapter->feat_cap & IXGBE_FEATURE_MSIX)) { 5381 adapter->feat_cap &= ~IXGBE_FEATURE_RSS; 5382 adapter->feat_cap &= ~IXGBE_FEATURE_SRIOV; 5383 adapter->feat_en &= ~IXGBE_FEATURE_RSS; 5384 adapter->feat_en &= ~IXGBE_FEATURE_SRIOV; 5385 } 5386 } /* ixgbe_init_device_features */ 5387 5388 /************************************************************************ 5389 * ixgbe_probe - Device identification routine 5390 * 5391 * Determines if the driver should be loaded on 5392 * adapter based on its PCI vendor/device ID. 5393 * 5394 * return BUS_PROBE_DEFAULT on success, positive on failure 5395 ************************************************************************/ 5396 static int 5397 ixgbe_probe(device_t dev, cfdata_t cf, void *aux) 5398 { 5399 const struct pci_attach_args *pa = aux; 5400 5401 return (ixgbe_lookup(pa) != NULL) ? 1 : 0; 5402 } 5403 5404 static ixgbe_vendor_info_t * 5405 ixgbe_lookup(const struct pci_attach_args *pa) 5406 { 5407 ixgbe_vendor_info_t *ent; 5408 pcireg_t subid; 5409 5410 INIT_DEBUGOUT("ixgbe_lookup: begin"); 5411 5412 if (PCI_VENDOR(pa->pa_id) != IXGBE_INTEL_VENDOR_ID) 5413 return NULL; 5414 5415 subid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG); 5416 5417 for (ent = ixgbe_vendor_info_array; ent->vendor_id != 0; ent++) { 5418 if ((PCI_VENDOR(pa->pa_id) == ent->vendor_id) && 5419 (PCI_PRODUCT(pa->pa_id) == ent->device_id) && 5420 ((PCI_SUBSYS_VENDOR(subid) == ent->subvendor_id) || 5421 (ent->subvendor_id == 0)) && 5422 ((PCI_SUBSYS_ID(subid) == ent->subdevice_id) || 5423 (ent->subdevice_id == 0))) { 5424 ++ixgbe_total_ports; 5425 return ent; 5426 } 5427 } 5428 return NULL; 5429 } 5430 5431 static int 5432 ixgbe_ifflags_cb(struct ethercom *ec) 5433 { 5434 struct ifnet *ifp = &ec->ec_if; 5435 struct adapter *adapter = ifp->if_softc; 5436 int change = ifp->if_flags ^ adapter->if_flags, rc = 0; 5437 5438 IXGBE_CORE_LOCK(adapter); 5439 5440 if (change != 0) 5441 adapter->if_flags = ifp->if_flags; 5442 5443 if ((change & ~(IFF_CANTCHANGE | IFF_DEBUG)) != 0) 5444 rc = ENETRESET; 5445 else if ((change & (IFF_PROMISC | IFF_ALLMULTI)) != 0) 5446 ixgbe_set_promisc(adapter); 5447 5448 /* Set up VLAN support and filter */ 5449 ixgbe_setup_vlan_hw_support(adapter); 5450 5451 IXGBE_CORE_UNLOCK(adapter); 5452 5453 return rc; 5454 } 5455 5456 /************************************************************************ 5457 * ixgbe_ioctl - Ioctl entry point 5458 * 5459 * Called when the user wants to configure the interface. 5460 * 5461 * return 0 on success, positive on failure 5462 ************************************************************************/ 5463 static int 5464 ixgbe_ioctl(struct ifnet * ifp, u_long command, void *data) 5465 { 5466 struct adapter *adapter = ifp->if_softc; 5467 struct ixgbe_hw *hw = &adapter->hw; 5468 struct ifcapreq *ifcr = data; 5469 struct ifreq *ifr = data; 5470 int error = 0; 5471 int l4csum_en; 5472 const int l4csum = IFCAP_CSUM_TCPv4_Rx|IFCAP_CSUM_UDPv4_Rx| 5473 IFCAP_CSUM_TCPv6_Rx|IFCAP_CSUM_UDPv6_Rx; 5474 5475 switch (command) { 5476 case SIOCSIFFLAGS: 5477 IOCTL_DEBUGOUT("ioctl: SIOCSIFFLAGS (Set Interface Flags)"); 5478 break; 5479 case SIOCADDMULTI: 5480 case SIOCDELMULTI: 5481 IOCTL_DEBUGOUT("ioctl: SIOC(ADD|DEL)MULTI"); 5482 break; 5483 case SIOCSIFMEDIA: 5484 case SIOCGIFMEDIA: 5485 IOCTL_DEBUGOUT("ioctl: SIOCxIFMEDIA (Get/Set Interface Media)"); 5486 break; 5487 case SIOCSIFCAP: 5488 IOCTL_DEBUGOUT("ioctl: SIOCSIFCAP (Set Capabilities)"); 5489 break; 5490 case SIOCSIFMTU: 5491 IOCTL_DEBUGOUT("ioctl: SIOCSIFMTU (Set Interface MTU)"); 5492 break; 5493 #ifdef __NetBSD__ 5494 case SIOCINITIFADDR: 5495 IOCTL_DEBUGOUT("ioctl: SIOCINITIFADDR"); 5496 break; 5497 case SIOCGIFFLAGS: 5498 IOCTL_DEBUGOUT("ioctl: SIOCGIFFLAGS"); 5499 break; 5500 case SIOCGIFAFLAG_IN: 5501 IOCTL_DEBUGOUT("ioctl: SIOCGIFAFLAG_IN"); 5502 break; 5503 case SIOCGIFADDR: 5504 IOCTL_DEBUGOUT("ioctl: SIOCGIFADDR"); 5505 break; 5506 case SIOCGIFMTU: 5507 IOCTL_DEBUGOUT("ioctl: SIOCGIFMTU (Get Interface MTU)"); 5508 break; 5509 case SIOCGIFCAP: 5510 IOCTL_DEBUGOUT("ioctl: SIOCGIFCAP (Get IF cap)"); 5511 break; 5512 case SIOCGETHERCAP: 5513 IOCTL_DEBUGOUT("ioctl: SIOCGETHERCAP (Get ethercap)"); 5514 break; 5515 case SIOCGLIFADDR: 5516 IOCTL_DEBUGOUT("ioctl: SIOCGLIFADDR (Get Interface addr)"); 5517 break; 5518 case SIOCZIFDATA: 5519 IOCTL_DEBUGOUT("ioctl: SIOCZIFDATA (Zero counter)"); 5520 hw->mac.ops.clear_hw_cntrs(hw); 5521 ixgbe_clear_evcnt(adapter); 5522 break; 5523 case SIOCAIFADDR: 5524 IOCTL_DEBUGOUT("ioctl: SIOCAIFADDR (add/chg IF alias)"); 5525 break; 5526 #endif 5527 default: 5528 IOCTL_DEBUGOUT1("ioctl: UNKNOWN (0x%X)", (int)command); 5529 break; 5530 } 5531 5532 switch (command) { 5533 case SIOCSIFMEDIA: 5534 case SIOCGIFMEDIA: 5535 return ifmedia_ioctl(ifp, ifr, &adapter->media, command); 5536 case SIOCGI2C: 5537 { 5538 struct ixgbe_i2c_req i2c; 5539 5540 IOCTL_DEBUGOUT("ioctl: SIOCGI2C (Get I2C Data)"); 5541 error = copyin(ifr->ifr_data, &i2c, sizeof(i2c)); 5542 if (error != 0) 5543 break; 5544 if (i2c.dev_addr != 0xA0 && i2c.dev_addr != 0xA2) { 5545 error = EINVAL; 5546 break; 5547 } 5548 if (i2c.len > sizeof(i2c.data)) { 5549 error = EINVAL; 5550 break; 5551 } 5552 5553 hw->phy.ops.read_i2c_byte(hw, i2c.offset, 5554 i2c.dev_addr, i2c.data); 5555 error = copyout(&i2c, ifr->ifr_data, sizeof(i2c)); 5556 break; 5557 } 5558 case SIOCSIFCAP: 5559 /* Layer-4 Rx checksum offload has to be turned on and 5560 * off as a unit. 5561 */ 5562 l4csum_en = ifcr->ifcr_capenable & l4csum; 5563 if (l4csum_en != l4csum && l4csum_en != 0) 5564 return EINVAL; 5565 /*FALLTHROUGH*/ 5566 case SIOCADDMULTI: 5567 case SIOCDELMULTI: 5568 case SIOCSIFFLAGS: 5569 case SIOCSIFMTU: 5570 default: 5571 if ((error = ether_ioctl(ifp, command, data)) != ENETRESET) 5572 return error; 5573 if ((ifp->if_flags & IFF_RUNNING) == 0) 5574 ; 5575 else if (command == SIOCSIFCAP || command == SIOCSIFMTU) { 5576 IXGBE_CORE_LOCK(adapter); 5577 ixgbe_init_locked(adapter); 5578 ixgbe_recalculate_max_frame(adapter); 5579 IXGBE_CORE_UNLOCK(adapter); 5580 } else if (command == SIOCADDMULTI || command == SIOCDELMULTI) { 5581 /* 5582 * Multicast list has changed; set the hardware filter 5583 * accordingly. 5584 */ 5585 IXGBE_CORE_LOCK(adapter); 5586 ixgbe_disable_intr(adapter); 5587 ixgbe_set_multi(adapter); 5588 ixgbe_enable_intr(adapter); 5589 IXGBE_CORE_UNLOCK(adapter); 5590 } 5591 return 0; 5592 } 5593 5594 return error; 5595 } /* ixgbe_ioctl */ 5596 5597 /************************************************************************ 5598 * ixgbe_check_fan_failure 5599 ************************************************************************/ 5600 static void 5601 ixgbe_check_fan_failure(struct adapter *adapter, u32 reg, bool in_interrupt) 5602 { 5603 u32 mask; 5604 5605 mask = (in_interrupt) ? IXGBE_EICR_GPI_SDP1_BY_MAC(&adapter->hw) : 5606 IXGBE_ESDP_SDP1; 5607 5608 if (reg & mask) 5609 device_printf(adapter->dev, "\nCRITICAL: FAN FAILURE!! REPLACE IMMEDIATELY!!\n"); 5610 } /* ixgbe_check_fan_failure */ 5611 5612 /************************************************************************ 5613 * ixgbe_handle_que 5614 ************************************************************************/ 5615 static void 5616 ixgbe_handle_que(void *context) 5617 { 5618 struct ix_queue *que = context; 5619 struct adapter *adapter = que->adapter; 5620 struct tx_ring *txr = que->txr; 5621 struct ifnet *ifp = adapter->ifp; 5622 5623 adapter->handleq.ev_count++; 5624 5625 if (ifp->if_flags & IFF_RUNNING) { 5626 ixgbe_rxeof(que); 5627 IXGBE_TX_LOCK(txr); 5628 ixgbe_txeof(txr); 5629 if (!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX)) 5630 if (!ixgbe_mq_ring_empty(ifp, txr->txr_interq)) 5631 ixgbe_mq_start_locked(ifp, txr); 5632 /* Only for queue 0 */ 5633 /* NetBSD still needs this for CBQ */ 5634 if ((&adapter->queues[0] == que) 5635 && (!ixgbe_legacy_ring_empty(ifp, NULL))) 5636 ixgbe_legacy_start_locked(ifp, txr); 5637 IXGBE_TX_UNLOCK(txr); 5638 } 5639 5640 /* Re-enable this interrupt */ 5641 if (que->res != NULL) 5642 ixgbe_enable_queue(adapter, que->msix); 5643 else 5644 ixgbe_enable_intr(adapter); 5645 5646 return; 5647 } /* ixgbe_handle_que */ 5648 5649 /************************************************************************ 5650 * ixgbe_allocate_legacy - Setup the Legacy or MSI Interrupt handler 5651 ************************************************************************/ 5652 static int 5653 ixgbe_allocate_legacy(struct adapter *adapter, 5654 const struct pci_attach_args *pa) 5655 { 5656 device_t dev = adapter->dev; 5657 struct ix_queue *que = adapter->queues; 5658 struct tx_ring *txr = adapter->tx_rings; 5659 int counts[PCI_INTR_TYPE_SIZE]; 5660 pci_intr_type_t intr_type, max_type; 5661 char intrbuf[PCI_INTRSTR_LEN]; 5662 const char *intrstr = NULL; 5663 5664 /* We allocate a single interrupt resource */ 5665 max_type = PCI_INTR_TYPE_MSI; 5666 counts[PCI_INTR_TYPE_MSIX] = 0; 5667 counts[PCI_INTR_TYPE_MSI] = 5668 (adapter->feat_en & IXGBE_FEATURE_MSI) ? 1 : 0; 5669 counts[PCI_INTR_TYPE_INTX] = 5670 (adapter->feat_en & IXGBE_FEATURE_LEGACY_IRQ) ? 1 : 0; 5671 5672 alloc_retry: 5673 if (pci_intr_alloc(pa, &adapter->osdep.intrs, counts, max_type) != 0) { 5674 aprint_error_dev(dev, "couldn't alloc interrupt\n"); 5675 return ENXIO; 5676 } 5677 adapter->osdep.nintrs = 1; 5678 intrstr = pci_intr_string(adapter->osdep.pc, adapter->osdep.intrs[0], 5679 intrbuf, sizeof(intrbuf)); 5680 adapter->osdep.ihs[0] = pci_intr_establish_xname(adapter->osdep.pc, 5681 adapter->osdep.intrs[0], IPL_NET, ixgbe_legacy_irq, que, 5682 device_xname(dev)); 5683 if (adapter->osdep.ihs[0] == NULL) { 5684 intr_type = pci_intr_type(adapter->osdep.pc, 5685 adapter->osdep.intrs[0]); 5686 aprint_error_dev(dev,"unable to establish %s\n", 5687 (intr_type == PCI_INTR_TYPE_MSI) ? "MSI" : "INTx"); 5688 pci_intr_release(adapter->osdep.pc, adapter->osdep.intrs, 1); 5689 switch (intr_type) { 5690 case PCI_INTR_TYPE_MSI: 5691 /* The next try is for INTx: Disable MSI */ 5692 max_type = PCI_INTR_TYPE_INTX; 5693 counts[PCI_INTR_TYPE_INTX] = 1; 5694 goto alloc_retry; 5695 case PCI_INTR_TYPE_INTX: 5696 default: 5697 /* See below */ 5698 break; 5699 } 5700 } 5701 if (adapter->osdep.ihs[0] == NULL) { 5702 aprint_error_dev(dev, 5703 "couldn't establish interrupt%s%s\n", 5704 intrstr ? " at " : "", intrstr ? intrstr : ""); 5705 pci_intr_release(adapter->osdep.pc, adapter->osdep.intrs, 1); 5706 return ENXIO; 5707 } 5708 aprint_normal_dev(dev, "interrupting at %s\n", intrstr); 5709 /* 5710 * Try allocating a fast interrupt and the associated deferred 5711 * processing contexts. 5712 */ 5713 if (!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX)) 5714 txr->txr_si = 5715 softint_establish(SOFTINT_NET | IXGBE_SOFTINFT_FLAGS, 5716 ixgbe_deferred_mq_start, txr); 5717 que->que_si = softint_establish(SOFTINT_NET | IXGBE_SOFTINFT_FLAGS, 5718 ixgbe_handle_que, que); 5719 5720 /* Tasklets for Link, SFP and Multispeed Fiber */ 5721 adapter->link_si = softint_establish(SOFTINT_NET |IXGBE_SOFTINFT_FLAGS, 5722 ixgbe_handle_link, adapter); 5723 adapter->mod_si = softint_establish(SOFTINT_NET | IXGBE_SOFTINFT_FLAGS, 5724 ixgbe_handle_mod, adapter); 5725 adapter->msf_si = softint_establish(SOFTINT_NET | IXGBE_SOFTINFT_FLAGS, 5726 ixgbe_handle_msf, adapter); 5727 adapter->phy_si = softint_establish(SOFTINT_NET | IXGBE_SOFTINFT_FLAGS, 5728 ixgbe_handle_phy, adapter); 5729 5730 if (adapter->feat_en & IXGBE_FEATURE_FDIR) 5731 adapter->fdir_si = 5732 softint_establish(SOFTINT_NET | IXGBE_SOFTINFT_FLAGS, 5733 ixgbe_reinit_fdir, adapter); 5734 5735 if ((!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX) & 5736 (txr->txr_si == NULL)) || 5737 que->que_si == NULL || 5738 adapter->link_si == NULL || 5739 adapter->mod_si == NULL || 5740 ((adapter->feat_en & IXGBE_FEATURE_FDIR) & 5741 (adapter->fdir_si == NULL)) || 5742 adapter->msf_si == NULL) { 5743 aprint_error_dev(dev, 5744 "could not establish software interrupts\n"); 5745 5746 return ENXIO; 5747 } 5748 /* For simplicity in the handlers */ 5749 adapter->active_queues = IXGBE_EIMS_ENABLE_MASK; 5750 5751 return (0); 5752 } /* ixgbe_allocate_legacy */ 5753 5754 5755 /************************************************************************ 5756 * ixgbe_allocate_msix - Setup MSI-X Interrupt resources and handlers 5757 ************************************************************************/ 5758 static int 5759 ixgbe_allocate_msix(struct adapter *adapter, const struct pci_attach_args *pa) 5760 { 5761 device_t dev = adapter->dev; 5762 struct ix_queue *que = adapter->queues; 5763 struct tx_ring *txr = adapter->tx_rings; 5764 pci_chipset_tag_t pc; 5765 char intrbuf[PCI_INTRSTR_LEN]; 5766 char intr_xname[32]; 5767 const char *intrstr = NULL; 5768 int error, vector = 0; 5769 int cpu_id = 0; 5770 kcpuset_t *affinity; 5771 #ifdef RSS 5772 unsigned int rss_buckets = 0; 5773 kcpuset_t cpu_mask; 5774 #endif 5775 5776 pc = adapter->osdep.pc; 5777 #ifdef RSS 5778 /* 5779 * If we're doing RSS, the number of queues needs to 5780 * match the number of RSS buckets that are configured. 5781 * 5782 * + If there's more queues than RSS buckets, we'll end 5783 * up with queues that get no traffic. 5784 * 5785 * + If there's more RSS buckets than queues, we'll end 5786 * up having multiple RSS buckets map to the same queue, 5787 * so there'll be some contention. 5788 */ 5789 rss_buckets = rss_getnumbuckets(); 5790 if ((adapter->feat_en & IXGBE_FEATURE_RSS) && 5791 (adapter->num_queues != rss_buckets)) { 5792 device_printf(dev, 5793 "%s: number of queues (%d) != number of RSS buckets (%d)" 5794 "; performance will be impacted.\n", 5795 __func__, adapter->num_queues, rss_buckets); 5796 } 5797 #endif 5798 5799 adapter->osdep.nintrs = adapter->num_queues + 1; 5800 if (pci_msix_alloc_exact(pa, &adapter->osdep.intrs, 5801 adapter->osdep.nintrs) != 0) { 5802 aprint_error_dev(dev, 5803 "failed to allocate MSI-X interrupt\n"); 5804 return (ENXIO); 5805 } 5806 5807 kcpuset_create(&affinity, false); 5808 for (int i = 0; i < adapter->num_queues; i++, vector++, que++, txr++) { 5809 snprintf(intr_xname, sizeof(intr_xname), "%s TXRX%d", 5810 device_xname(dev), i); 5811 intrstr = pci_intr_string(pc, adapter->osdep.intrs[i], intrbuf, 5812 sizeof(intrbuf)); 5813 #ifdef IXGBE_MPSAFE 5814 pci_intr_setattr(pc, &adapter->osdep.intrs[i], PCI_INTR_MPSAFE, 5815 true); 5816 #endif 5817 /* Set the handler function */ 5818 que->res = adapter->osdep.ihs[i] = pci_intr_establish_xname(pc, 5819 adapter->osdep.intrs[i], IPL_NET, ixgbe_msix_que, que, 5820 intr_xname); 5821 if (que->res == NULL) { 5822 pci_intr_release(pc, adapter->osdep.intrs, 5823 adapter->osdep.nintrs); 5824 aprint_error_dev(dev, 5825 "Failed to register QUE handler\n"); 5826 kcpuset_destroy(affinity); 5827 return ENXIO; 5828 } 5829 que->msix = vector; 5830 adapter->active_queues |= (u64)(1 << que->msix); 5831 5832 if (adapter->feat_en & IXGBE_FEATURE_RSS) { 5833 #ifdef RSS 5834 /* 5835 * The queue ID is used as the RSS layer bucket ID. 5836 * We look up the queue ID -> RSS CPU ID and select 5837 * that. 5838 */ 5839 cpu_id = rss_getcpu(i % rss_getnumbuckets()); 5840 CPU_SETOF(cpu_id, &cpu_mask); 5841 #endif 5842 } else { 5843 /* 5844 * Bind the MSI-X vector, and thus the 5845 * rings to the corresponding CPU. 5846 * 5847 * This just happens to match the default RSS 5848 * round-robin bucket -> queue -> CPU allocation. 5849 */ 5850 if (adapter->num_queues > 1) 5851 cpu_id = i; 5852 } 5853 /* Round-robin affinity */ 5854 kcpuset_zero(affinity); 5855 kcpuset_set(affinity, cpu_id % ncpu); 5856 error = interrupt_distribute(adapter->osdep.ihs[i], affinity, 5857 NULL); 5858 aprint_normal_dev(dev, "for TX/RX, interrupting at %s", 5859 intrstr); 5860 if (error == 0) { 5861 #if 1 /* def IXGBE_DEBUG */ 5862 #ifdef RSS 5863 aprintf_normal(", bound RSS bucket %d to CPU %d", i, 5864 cpu_id % ncpu); 5865 #else 5866 aprint_normal(", bound queue %d to cpu %d", i, 5867 cpu_id % ncpu); 5868 #endif 5869 #endif /* IXGBE_DEBUG */ 5870 } 5871 aprint_normal("\n"); 5872 5873 if (!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX)) 5874 txr->txr_si = softint_establish( 5875 SOFTINT_NET | IXGBE_SOFTINFT_FLAGS, 5876 ixgbe_deferred_mq_start, txr); 5877 que->que_si 5878 = softint_establish(SOFTINT_NET | IXGBE_SOFTINFT_FLAGS, 5879 ixgbe_handle_que, que); 5880 if (que->que_si == NULL) { 5881 aprint_error_dev(dev, 5882 "could not establish software interrupt\n"); 5883 } 5884 } 5885 5886 /* and Link */ 5887 cpu_id++; 5888 snprintf(intr_xname, sizeof(intr_xname), "%s link", device_xname(dev)); 5889 adapter->vector = vector; 5890 intrstr = pci_intr_string(pc, adapter->osdep.intrs[vector], intrbuf, 5891 sizeof(intrbuf)); 5892 #ifdef IXGBE_MPSAFE 5893 pci_intr_setattr(pc, &adapter->osdep.intrs[vector], PCI_INTR_MPSAFE, 5894 true); 5895 #endif 5896 /* Set the link handler function */ 5897 adapter->osdep.ihs[vector] = pci_intr_establish_xname(pc, 5898 adapter->osdep.intrs[vector], IPL_NET, ixgbe_msix_link, adapter, 5899 intr_xname); 5900 if (adapter->osdep.ihs[vector] == NULL) { 5901 adapter->res = NULL; 5902 aprint_error_dev(dev, "Failed to register LINK handler\n"); 5903 kcpuset_destroy(affinity); 5904 return (ENXIO); 5905 } 5906 /* Round-robin affinity */ 5907 kcpuset_zero(affinity); 5908 kcpuset_set(affinity, cpu_id % ncpu); 5909 error = interrupt_distribute(adapter->osdep.ihs[vector], affinity,NULL); 5910 5911 aprint_normal_dev(dev, 5912 "for link, interrupting at %s", intrstr); 5913 if (error == 0) 5914 aprint_normal(", affinity to cpu %d\n", cpu_id % ncpu); 5915 else 5916 aprint_normal("\n"); 5917 5918 /* Tasklets for Link, SFP and Multispeed Fiber */ 5919 adapter->link_si = softint_establish(SOFTINT_NET |IXGBE_SOFTINFT_FLAGS, 5920 ixgbe_handle_link, adapter); 5921 adapter->mod_si = softint_establish(SOFTINT_NET | IXGBE_SOFTINFT_FLAGS, 5922 ixgbe_handle_mod, adapter); 5923 adapter->msf_si = softint_establish(SOFTINT_NET | IXGBE_SOFTINFT_FLAGS, 5924 ixgbe_handle_msf, adapter); 5925 if (adapter->feat_cap & IXGBE_FEATURE_SRIOV) 5926 adapter->mbx_si = 5927 softint_establish(SOFTINT_NET | IXGBE_SOFTINFT_FLAGS, 5928 ixgbe_handle_mbx, adapter); 5929 adapter->phy_si = softint_establish(SOFTINT_NET | IXGBE_SOFTINFT_FLAGS, 5930 ixgbe_handle_phy, adapter); 5931 if (adapter->feat_en & IXGBE_FEATURE_FDIR) 5932 adapter->fdir_si = 5933 softint_establish(SOFTINT_NET | IXGBE_SOFTINFT_FLAGS, 5934 ixgbe_reinit_fdir, adapter); 5935 5936 kcpuset_destroy(affinity); 5937 5938 return (0); 5939 } /* ixgbe_allocate_msix */ 5940 5941 /************************************************************************ 5942 * ixgbe_configure_interrupts 5943 * 5944 * Setup MSI-X, MSI, or legacy interrupts (in that order). 5945 * This will also depend on user settings. 5946 ************************************************************************/ 5947 static int 5948 ixgbe_configure_interrupts(struct adapter *adapter) 5949 { 5950 device_t dev = adapter->dev; 5951 struct ixgbe_mac_info *mac = &adapter->hw.mac; 5952 int want, queues, msgs; 5953 5954 /* Default to 1 queue if MSI-X setup fails */ 5955 adapter->num_queues = 1; 5956 5957 /* Override by tuneable */ 5958 if (!(adapter->feat_cap & IXGBE_FEATURE_MSIX)) 5959 goto msi; 5960 5961 /* First try MSI-X */ 5962 msgs = pci_msix_count(adapter->osdep.pc, adapter->osdep.tag); 5963 msgs = MIN(msgs, IXG_MAX_NINTR); 5964 if (msgs < 2) 5965 goto msi; 5966 5967 adapter->msix_mem = (void *)1; /* XXX */ 5968 5969 /* Figure out a reasonable auto config value */ 5970 queues = (ncpu > (msgs - 1)) ? (msgs - 1) : ncpu; 5971 5972 #ifdef RSS 5973 /* If we're doing RSS, clamp at the number of RSS buckets */ 5974 if (adapter->feat_en & IXGBE_FEATURE_RSS) 5975 queues = min(queues, rss_getnumbuckets()); 5976 #endif 5977 if (ixgbe_num_queues > queues) { 5978 aprint_error_dev(adapter->dev, "ixgbe_num_queues (%d) is too large, using reduced amount (%d).\n", ixgbe_num_queues, queues); 5979 ixgbe_num_queues = queues; 5980 } 5981 5982 if (ixgbe_num_queues != 0) 5983 queues = ixgbe_num_queues; 5984 else 5985 queues = min(queues, 5986 min(mac->max_tx_queues, mac->max_rx_queues)); 5987 5988 /* reflect correct sysctl value */ 5989 ixgbe_num_queues = queues; 5990 5991 /* 5992 * Want one vector (RX/TX pair) per queue 5993 * plus an additional for Link. 5994 */ 5995 want = queues + 1; 5996 if (msgs >= want) 5997 msgs = want; 5998 else { 5999 aprint_error_dev(dev, "MSI-X Configuration Problem, " 6000 "%d vectors but %d queues wanted!\n", 6001 msgs, want); 6002 goto msi; 6003 } 6004 device_printf(dev, 6005 "Using MSI-X interrupts with %d vectors\n", msgs); 6006 adapter->num_queues = queues; 6007 adapter->feat_en |= IXGBE_FEATURE_MSIX; 6008 return (0); 6009 6010 /* 6011 * MSI-X allocation failed or provided us with 6012 * less vectors than needed. Free MSI-X resources 6013 * and we'll try enabling MSI. 6014 */ 6015 msi: 6016 /* Without MSI-X, some features are no longer supported */ 6017 adapter->feat_cap &= ~IXGBE_FEATURE_RSS; 6018 adapter->feat_en &= ~IXGBE_FEATURE_RSS; 6019 adapter->feat_cap &= ~IXGBE_FEATURE_SRIOV; 6020 adapter->feat_en &= ~IXGBE_FEATURE_SRIOV; 6021 6022 msgs = pci_msi_count(adapter->osdep.pc, adapter->osdep.tag); 6023 adapter->msix_mem = NULL; /* XXX */ 6024 if (msgs > 1) 6025 msgs = 1; 6026 if (msgs != 0) { 6027 msgs = 1; 6028 adapter->feat_en |= IXGBE_FEATURE_MSI; 6029 aprint_normal_dev(dev, "Using an MSI interrupt\n"); 6030 return (0); 6031 } 6032 6033 if (!(adapter->feat_cap & IXGBE_FEATURE_LEGACY_IRQ)) { 6034 aprint_error_dev(dev, 6035 "Device does not support legacy interrupts.\n"); 6036 return 1; 6037 } 6038 6039 adapter->feat_en |= IXGBE_FEATURE_LEGACY_IRQ; 6040 aprint_normal_dev(dev, "Using a Legacy interrupt\n"); 6041 6042 return (0); 6043 } /* ixgbe_configure_interrupts */ 6044 6045 6046 /************************************************************************ 6047 * ixgbe_handle_link - Tasklet for MSI-X Link interrupts 6048 * 6049 * Done outside of interrupt context since the driver might sleep 6050 ************************************************************************/ 6051 static void 6052 ixgbe_handle_link(void *context) 6053 { 6054 struct adapter *adapter = context; 6055 struct ixgbe_hw *hw = &adapter->hw; 6056 6057 ixgbe_check_link(hw, &adapter->link_speed, &adapter->link_up, 0); 6058 ixgbe_update_link_status(adapter); 6059 6060 /* Re-enable link interrupts */ 6061 IXGBE_WRITE_REG(hw, IXGBE_EIMS, IXGBE_EIMS_LSC); 6062 } /* ixgbe_handle_link */ 6063 6064 /************************************************************************ 6065 * ixgbe_rearm_queues 6066 ************************************************************************/ 6067 static void 6068 ixgbe_rearm_queues(struct adapter *adapter, u64 queues) 6069 { 6070 u32 mask; 6071 6072 switch (adapter->hw.mac.type) { 6073 case ixgbe_mac_82598EB: 6074 mask = (IXGBE_EIMS_RTX_QUEUE & queues); 6075 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS, mask); 6076 break; 6077 case ixgbe_mac_82599EB: 6078 case ixgbe_mac_X540: 6079 case ixgbe_mac_X550: 6080 case ixgbe_mac_X550EM_x: 6081 case ixgbe_mac_X550EM_a: 6082 mask = (queues & 0xFFFFFFFF); 6083 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS_EX(0), mask); 6084 mask = (queues >> 32); 6085 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS_EX(1), mask); 6086 break; 6087 default: 6088 break; 6089 } 6090 } /* ixgbe_rearm_queues */ 6091
Indexes created Sat Sep 27 14:09:57 GMT 2025