ixgbe.c revision 1.269
1 /* $NetBSD: ixgbe.c,v 1.269 2020/12/24 18:32:53 msaitoh Exp $ */ 2 3 /****************************************************************************** 4 5 Copyright (c) 2001-2017, Intel Corporation 6 All rights reserved. 7 8 Redistribution and use in source and binary forms, with or without 9 modification, are permitted provided that the following conditions are met: 10 11 1. Redistributions of source code must retain the above copyright notice, 12 this list of conditions and the following disclaimer. 13 14 2. Redistributions in binary form must reproduce the above copyright 15 notice, this list of conditions and the following disclaimer in the 16 documentation and/or other materials provided with the distribution. 17 18 3. Neither the name of the Intel Corporation nor the names of its 19 contributors may be used to endorse or promote products derived from 20 this software without specific prior written permission. 21 22 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 23 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 26 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32 POSSIBILITY OF SUCH DAMAGE. 33 34 ******************************************************************************/ 35 /*$FreeBSD: head/sys/dev/ixgbe/if_ix.c 331224 2018-03-19 20:55:05Z erj $*/ 36 37 /* 38 * Copyright (c) 2011 The NetBSD Foundation, Inc. 39 * All rights reserved. 40 * 41 * This code is derived from software contributed to The NetBSD Foundation 42 * by Coyote Point Systems, Inc. 43 * 44 * Redistribution and use in source and binary forms, with or without 45 * modification, are permitted provided that the following conditions 46 * are met: 47 * 1. Redistributions of source code must retain the above copyright 48 * notice, this list of conditions and the following disclaimer. 49 * 2. Redistributions in binary form must reproduce the above copyright 50 * notice, this list of conditions and the following disclaimer in the 51 * documentation and/or other materials provided with the distribution. 52 * 53 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 54 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 55 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 56 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 57 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 58 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 59 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 60 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 61 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 62 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 63 * POSSIBILITY OF SUCH DAMAGE. 64 */ 65 66 #ifdef _KERNEL_OPT 67 #include "opt_inet.h" 68 #include "opt_inet6.h" 69 #include "opt_net_mpsafe.h" 70 #endif 71 72 #include "ixgbe.h" 73 #include "ixgbe_phy.h" 74 #include "ixgbe_sriov.h" 75 #include "vlan.h" 76 77 #include <sys/cprng.h> 78 #include <dev/mii/mii.h> 79 #include <dev/mii/miivar.h> 80 81 /************************************************************************ 82 * Driver version 83 ************************************************************************/ 84 static const char ixgbe_driver_version[] = "4.0.1-k"; 85 /* XXX NetBSD: + 3.3.10 */ 86 87 /************************************************************************ 88 * PCI Device ID Table 89 * 90 * Used by probe to select devices to load on 91 * Last field stores an index into ixgbe_strings 92 * Last entry must be all 0s 93 * 94 * { Vendor ID, Device ID, SubVendor ID, SubDevice ID, String Index } 95 ************************************************************************/ 96 static const ixgbe_vendor_info_t ixgbe_vendor_info_array[] = 97 { 98 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598AF_DUAL_PORT, 0, 0, 0}, 99 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598AF_SINGLE_PORT, 0, 0, 0}, 100 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598EB_CX4, 0, 0, 0}, 101 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598AT, 0, 0, 0}, 102 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598AT2, 0, 0, 0}, 103 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598, 0, 0, 0}, 104 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598_BX, 0, 0, 0}, 105 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598_DA_DUAL_PORT, 0, 0, 0}, 106 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598_CX4_DUAL_PORT, 0, 0, 0}, 107 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598EB_XF_LR, 0, 0, 0}, 108 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598_SR_DUAL_PORT_EM, 0, 0, 0}, 109 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598EB_SFP_LOM, 0, 0, 0}, 110 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_KR, 0, 0, 0}, 111 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_KX4, 0, 0, 0}, 112 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_KX4_MEZZ, 0, 0, 0}, 113 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_SFP, 0, 0, 0}, 114 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_SFP_EM, 0, 0, 0}, 115 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_XAUI_LOM, 0, 0, 0}, 116 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_CX4, 0, 0, 0}, 117 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_T3_LOM, 0, 0, 0}, 118 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_COMBO_BACKPLANE, 0, 0, 0}, 119 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_BACKPLANE_FCOE, 0, 0, 0}, 120 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_SFP_SF2, 0, 0, 0}, 121 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_SFP_FCOE, 0, 0, 0}, 122 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599EN_SFP, 0, 0, 0}, 123 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_SFP_SF_QP, 0, 0, 0}, 124 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_QSFP_SF_QP, 0, 0, 0}, 125 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X540T, 0, 0, 0}, 126 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X540T1, 0, 0, 0}, 127 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550T, 0, 0, 0}, 128 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550T1, 0, 0, 0}, 129 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_KR, 0, 0, 0}, 130 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_KX4, 0, 0, 0}, 131 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_10G_T, 0, 0, 0}, 132 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_1G_T, 0, 0, 0}, 133 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_SFP, 0, 0, 0}, 134 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_XFI, 0, 0, 0}, 135 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_KR, 0, 0, 0}, 136 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_KR_L, 0, 0, 0}, 137 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_QSFP, 0, 0, 0}, 138 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_QSFP_N, 0, 0, 0}, 139 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_SFP, 0, 0, 0}, 140 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_SFP_N, 0, 0, 0}, 141 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_SGMII, 0, 0, 0}, 142 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_SGMII_L, 0, 0, 0}, 143 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_10G_T, 0, 0, 0}, 144 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_1G_T, 0, 0, 0}, 145 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_1G_T_L, 0, 0, 0}, 146 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X540_BYPASS, 0, 0, 0}, 147 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_BYPASS, 0, 0, 0}, 148 /* required last entry */ 149 {0, 0, 0, 0, 0} 150 }; 151 152 /************************************************************************ 153 * Table of branding strings 154 ************************************************************************/ 155 static const char *ixgbe_strings[] = { 156 "Intel(R) PRO/10GbE PCI-Express Network Driver" 157 }; 158 159 /************************************************************************ 160 * Function prototypes 161 ************************************************************************/ 162 static int ixgbe_probe(device_t, cfdata_t, void *); 163 static void ixgbe_quirks(struct adapter *); 164 static void ixgbe_attach(device_t, device_t, void *); 165 static int ixgbe_detach(device_t, int); 166 #if 0 167 static int ixgbe_shutdown(device_t); 168 #endif 169 static bool ixgbe_suspend(device_t, const pmf_qual_t *); 170 static bool ixgbe_resume(device_t, const pmf_qual_t *); 171 static int ixgbe_ifflags_cb(struct ethercom *); 172 static int ixgbe_ioctl(struct ifnet *, u_long, void *); 173 static int ixgbe_init(struct ifnet *); 174 static void ixgbe_init_locked(struct adapter *); 175 static void ixgbe_ifstop(struct ifnet *, int); 176 static void ixgbe_stop_locked(void *); 177 static void ixgbe_init_device_features(struct adapter *); 178 static void ixgbe_check_fan_failure(struct adapter *, u32, bool); 179 static void ixgbe_add_media_types(struct adapter *); 180 static void ixgbe_media_status(struct ifnet *, struct ifmediareq *); 181 static int ixgbe_media_change(struct ifnet *); 182 static int ixgbe_allocate_pci_resources(struct adapter *, 183 const struct pci_attach_args *); 184 static void ixgbe_free_deferred_handlers(struct adapter *); 185 static void ixgbe_get_slot_info(struct adapter *); 186 static int ixgbe_allocate_msix(struct adapter *, 187 const struct pci_attach_args *); 188 static int ixgbe_allocate_legacy(struct adapter *, 189 const struct pci_attach_args *); 190 static int ixgbe_configure_interrupts(struct adapter *); 191 static void ixgbe_free_pciintr_resources(struct adapter *); 192 static void ixgbe_free_pci_resources(struct adapter *); 193 static void ixgbe_local_timer(void *); 194 static void ixgbe_handle_timer(struct work *, void *); 195 static void ixgbe_recovery_mode_timer(void *); 196 static void ixgbe_handle_recovery_mode_timer(struct work *, void *); 197 static int ixgbe_setup_interface(device_t, struct adapter *); 198 static void ixgbe_config_gpie(struct adapter *); 199 static void ixgbe_config_dmac(struct adapter *); 200 static void ixgbe_config_delay_values(struct adapter *); 201 static void ixgbe_schedule_admin_tasklet(struct adapter *); 202 static void ixgbe_config_link(struct adapter *); 203 static void ixgbe_check_wol_support(struct adapter *); 204 static int ixgbe_setup_low_power_mode(struct adapter *); 205 #if 0 206 static void ixgbe_rearm_queues(struct adapter *, u64); 207 #endif 208 209 static void ixgbe_initialize_transmit_units(struct adapter *); 210 static void ixgbe_initialize_receive_units(struct adapter *); 211 static void ixgbe_enable_rx_drop(struct adapter *); 212 static void ixgbe_disable_rx_drop(struct adapter *); 213 static void ixgbe_initialize_rss_mapping(struct adapter *); 214 215 static void ixgbe_enable_intr(struct adapter *); 216 static void ixgbe_disable_intr(struct adapter *); 217 static void ixgbe_update_stats_counters(struct adapter *); 218 static void ixgbe_set_rxfilter(struct adapter *); 219 static void ixgbe_update_link_status(struct adapter *); 220 static void ixgbe_set_ivar(struct adapter *, u8, u8, s8); 221 static void ixgbe_configure_ivars(struct adapter *); 222 static u8 * ixgbe_mc_array_itr(struct ixgbe_hw *, u8 **, u32 *); 223 static void ixgbe_eitr_write(struct adapter *, uint32_t, uint32_t); 224 225 static void ixgbe_setup_vlan_hw_tagging(struct adapter *); 226 static void ixgbe_setup_vlan_hw_support(struct adapter *); 227 static int ixgbe_vlan_cb(struct ethercom *, uint16_t, bool); 228 static int ixgbe_register_vlan(struct adapter *, u16); 229 static int ixgbe_unregister_vlan(struct adapter *, u16); 230 231 static void ixgbe_add_device_sysctls(struct adapter *); 232 static void ixgbe_add_hw_stats(struct adapter *); 233 static void ixgbe_clear_evcnt(struct adapter *); 234 static int ixgbe_set_flowcntl(struct adapter *, int); 235 static int ixgbe_set_advertise(struct adapter *, int); 236 static int ixgbe_get_advertise(struct adapter *); 237 238 /* Sysctl handlers */ 239 static void ixgbe_set_sysctl_value(struct adapter *, const char *, 240 const char *, int *, int); 241 static int ixgbe_sysctl_flowcntl(SYSCTLFN_PROTO); 242 static int ixgbe_sysctl_advertise(SYSCTLFN_PROTO); 243 static int ixgbe_sysctl_interrupt_rate_handler(SYSCTLFN_PROTO); 244 static int ixgbe_sysctl_dmac(SYSCTLFN_PROTO); 245 static int ixgbe_sysctl_phy_temp(SYSCTLFN_PROTO); 246 static int ixgbe_sysctl_phy_overtemp_occurred(SYSCTLFN_PROTO); 247 #ifdef IXGBE_DEBUG 248 static int ixgbe_sysctl_power_state(SYSCTLFN_PROTO); 249 static int ixgbe_sysctl_print_rss_config(SYSCTLFN_PROTO); 250 #endif 251 static int ixgbe_sysctl_next_to_check_handler(SYSCTLFN_PROTO); 252 static int ixgbe_sysctl_rdh_handler(SYSCTLFN_PROTO); 253 static int ixgbe_sysctl_rdt_handler(SYSCTLFN_PROTO); 254 static int ixgbe_sysctl_tdt_handler(SYSCTLFN_PROTO); 255 static int ixgbe_sysctl_tdh_handler(SYSCTLFN_PROTO); 256 static int ixgbe_sysctl_eee_state(SYSCTLFN_PROTO); 257 static int ixgbe_sysctl_debug(SYSCTLFN_PROTO); 258 static int ixgbe_sysctl_wol_enable(SYSCTLFN_PROTO); 259 static int ixgbe_sysctl_wufc(SYSCTLFN_PROTO); 260 261 /* Legacy (single vector) interrupt handler */ 262 static int ixgbe_legacy_irq(void *); 263 264 /* The MSI/MSI-X Interrupt handlers */ 265 static int ixgbe_msix_que(void *); 266 static int ixgbe_msix_admin(void *); 267 268 /* Event handlers running on workqueue */ 269 static void ixgbe_handle_que(void *); 270 static void ixgbe_handle_link(void *); 271 static void ixgbe_handle_msf(void *); 272 static void ixgbe_handle_mod(void *); 273 static void ixgbe_handle_phy(void *); 274 275 /* Deferred workqueue handlers */ 276 static void ixgbe_handle_admin(struct work *, void *); 277 static void ixgbe_handle_que_work(struct work *, void *); 278 279 static const ixgbe_vendor_info_t *ixgbe_lookup(const struct pci_attach_args *); 280 281 /************************************************************************ 282 * NetBSD Device Interface Entry Points 283 ************************************************************************/ 284 CFATTACH_DECL3_NEW(ixg, sizeof(struct adapter), 285 ixgbe_probe, ixgbe_attach, ixgbe_detach, NULL, NULL, NULL, 286 DVF_DETACH_SHUTDOWN); 287 288 #if 0 289 devclass_t ix_devclass; 290 DRIVER_MODULE(ix, pci, ix_driver, ix_devclass, 0, 0); 291 292 MODULE_DEPEND(ix, pci, 1, 1, 1); 293 MODULE_DEPEND(ix, ether, 1, 1, 1); 294 #ifdef DEV_NETMAP 295 MODULE_DEPEND(ix, netmap, 1, 1, 1); 296 #endif 297 #endif 298 299 /* 300 * TUNEABLE PARAMETERS: 301 */ 302 303 /* 304 * AIM: Adaptive Interrupt Moderation 305 * which means that the interrupt rate 306 * is varied over time based on the 307 * traffic for that interrupt vector 308 */ 309 static bool ixgbe_enable_aim = true; 310 #define SYSCTL_INT(_a1, _a2, _a3, _a4, _a5, _a6, _a7) 311 SYSCTL_INT(_hw_ix, OID_AUTO, enable_aim, CTLFLAG_RDTUN, &ixgbe_enable_aim, 0, 312 "Enable adaptive interrupt moderation"); 313 314 static int ixgbe_max_interrupt_rate = (4000000 / IXGBE_LOW_LATENCY); 315 SYSCTL_INT(_hw_ix, OID_AUTO, max_interrupt_rate, CTLFLAG_RDTUN, 316 &ixgbe_max_interrupt_rate, 0, "Maximum interrupts per second"); 317 318 /* How many packets rxeof tries to clean at a time */ 319 static int ixgbe_rx_process_limit = 256; 320 SYSCTL_INT(_hw_ix, OID_AUTO, rx_process_limit, CTLFLAG_RDTUN, 321 &ixgbe_rx_process_limit, 0, "Maximum number of received packets to process at a time, -1 means unlimited"); 322 323 /* How many packets txeof tries to clean at a time */ 324 static int ixgbe_tx_process_limit = 256; 325 SYSCTL_INT(_hw_ix, OID_AUTO, tx_process_limit, CTLFLAG_RDTUN, 326 &ixgbe_tx_process_limit, 0, 327 "Maximum number of sent packets to process at a time, -1 means unlimited"); 328 329 /* Flow control setting, default to full */ 330 static int ixgbe_flow_control = ixgbe_fc_full; 331 SYSCTL_INT(_hw_ix, OID_AUTO, flow_control, CTLFLAG_RDTUN, 332 &ixgbe_flow_control, 0, "Default flow control used for all adapters"); 333 334 /* Which packet processing uses workqueue or softint */ 335 static bool ixgbe_txrx_workqueue = false; 336 337 /* 338 * Smart speed setting, default to on 339 * this only works as a compile option 340 * right now as its during attach, set 341 * this to 'ixgbe_smart_speed_off' to 342 * disable. 343 */ 344 static int ixgbe_smart_speed = ixgbe_smart_speed_on; 345 346 /* 347 * MSI-X should be the default for best performance, 348 * but this allows it to be forced off for testing. 349 */ 350 static int ixgbe_enable_msix = 1; 351 SYSCTL_INT(_hw_ix, OID_AUTO, enable_msix, CTLFLAG_RDTUN, &ixgbe_enable_msix, 0, 352 "Enable MSI-X interrupts"); 353 354 /* 355 * Number of Queues, can be set to 0, 356 * it then autoconfigures based on the 357 * number of cpus with a max of 8. This 358 * can be overridden manually here. 359 */ 360 static int ixgbe_num_queues = 0; 361 SYSCTL_INT(_hw_ix, OID_AUTO, num_queues, CTLFLAG_RDTUN, &ixgbe_num_queues, 0, 362 "Number of queues to configure, 0 indicates autoconfigure"); 363 364 /* 365 * Number of TX descriptors per ring, 366 * setting higher than RX as this seems 367 * the better performing choice. 368 */ 369 static int ixgbe_txd = PERFORM_TXD; 370 SYSCTL_INT(_hw_ix, OID_AUTO, txd, CTLFLAG_RDTUN, &ixgbe_txd, 0, 371 "Number of transmit descriptors per queue"); 372 373 /* Number of RX descriptors per ring */ 374 static int ixgbe_rxd = PERFORM_RXD; 375 SYSCTL_INT(_hw_ix, OID_AUTO, rxd, CTLFLAG_RDTUN, &ixgbe_rxd, 0, 376 "Number of receive descriptors per queue"); 377 378 /* 379 * Defining this on will allow the use 380 * of unsupported SFP+ modules, note that 381 * doing so you are on your own :) 382 */ 383 static int allow_unsupported_sfp = false; 384 #define TUNABLE_INT(__x, __y) 385 TUNABLE_INT("hw.ix.unsupported_sfp", &allow_unsupported_sfp); 386 387 /* 388 * Not sure if Flow Director is fully baked, 389 * so we'll default to turning it off. 390 */ 391 static int ixgbe_enable_fdir = 0; 392 SYSCTL_INT(_hw_ix, OID_AUTO, enable_fdir, CTLFLAG_RDTUN, &ixgbe_enable_fdir, 0, 393 "Enable Flow Director"); 394 395 /* Legacy Transmit (single queue) */ 396 static int ixgbe_enable_legacy_tx = 0; 397 SYSCTL_INT(_hw_ix, OID_AUTO, enable_legacy_tx, CTLFLAG_RDTUN, 398 &ixgbe_enable_legacy_tx, 0, "Enable Legacy TX flow"); 399 400 /* Receive-Side Scaling */ 401 static int ixgbe_enable_rss = 1; 402 SYSCTL_INT(_hw_ix, OID_AUTO, enable_rss, CTLFLAG_RDTUN, &ixgbe_enable_rss, 0, 403 "Enable Receive-Side Scaling (RSS)"); 404 405 #if 0 406 static int (*ixgbe_start_locked)(struct ifnet *, struct tx_ring *); 407 static int (*ixgbe_ring_empty)(struct ifnet *, pcq_t *); 408 #endif 409 410 #ifdef NET_MPSAFE 411 #define IXGBE_MPSAFE 1 412 #define IXGBE_CALLOUT_FLAGS CALLOUT_MPSAFE 413 #define IXGBE_SOFTINT_FLAGS SOFTINT_MPSAFE 414 #define IXGBE_WORKQUEUE_FLAGS WQ_PERCPU | WQ_MPSAFE 415 #define IXGBE_TASKLET_WQ_FLAGS WQ_MPSAFE 416 #else 417 #define IXGBE_CALLOUT_FLAGS 0 418 #define IXGBE_SOFTINT_FLAGS 0 419 #define IXGBE_WORKQUEUE_FLAGS WQ_PERCPU 420 #define IXGBE_TASKLET_WQ_FLAGS 0 421 #endif 422 #define IXGBE_WORKQUEUE_PRI PRI_SOFTNET 423 424 /************************************************************************ 425 * ixgbe_initialize_rss_mapping 426 ************************************************************************/ 427 static void 428 ixgbe_initialize_rss_mapping(struct adapter *adapter) 429 { 430 struct ixgbe_hw *hw = &adapter->hw; 431 u32 reta = 0, mrqc, rss_key[10]; 432 int queue_id, table_size, index_mult; 433 int i, j; 434 u32 rss_hash_config; 435 436 /* force use default RSS key. */ 437 #ifdef __NetBSD__ 438 rss_getkey((uint8_t *) &rss_key); 439 #else 440 if (adapter->feat_en & IXGBE_FEATURE_RSS) { 441 /* Fetch the configured RSS key */ 442 rss_getkey((uint8_t *) &rss_key); 443 } else { 444 /* set up random bits */ 445 cprng_fast(&rss_key, sizeof(rss_key)); 446 } 447 #endif 448 449 /* Set multiplier for RETA setup and table size based on MAC */ 450 index_mult = 0x1; 451 table_size = 128; 452 switch (adapter->hw.mac.type) { 453 case ixgbe_mac_82598EB: 454 index_mult = 0x11; 455 break; 456 case ixgbe_mac_X550: 457 case ixgbe_mac_X550EM_x: 458 case ixgbe_mac_X550EM_a: 459 table_size = 512; 460 break; 461 default: 462 break; 463 } 464 465 /* Set up the redirection table */ 466 for (i = 0, j = 0; i < table_size; i++, j++) { 467 if (j == adapter->num_queues) 468 j = 0; 469 470 if (adapter->feat_en & IXGBE_FEATURE_RSS) { 471 /* 472 * Fetch the RSS bucket id for the given indirection 473 * entry. Cap it at the number of configured buckets 474 * (which is num_queues.) 475 */ 476 queue_id = rss_get_indirection_to_bucket(i); 477 queue_id = queue_id % adapter->num_queues; 478 } else 479 queue_id = (j * index_mult); 480 481 /* 482 * The low 8 bits are for hash value (n+0); 483 * The next 8 bits are for hash value (n+1), etc. 484 */ 485 reta = reta >> 8; 486 reta = reta | (((uint32_t) queue_id) << 24); 487 if ((i & 3) == 3) { 488 if (i < 128) 489 IXGBE_WRITE_REG(hw, IXGBE_RETA(i >> 2), reta); 490 else 491 IXGBE_WRITE_REG(hw, IXGBE_ERETA((i >> 2) - 32), 492 reta); 493 reta = 0; 494 } 495 } 496 497 /* Now fill our hash function seeds */ 498 for (i = 0; i < 10; i++) 499 IXGBE_WRITE_REG(hw, IXGBE_RSSRK(i), rss_key[i]); 500 501 /* Perform hash on these packet types */ 502 if (adapter->feat_en & IXGBE_FEATURE_RSS) 503 rss_hash_config = rss_gethashconfig(); 504 else { 505 /* 506 * Disable UDP - IP fragments aren't currently being handled 507 * and so we end up with a mix of 2-tuple and 4-tuple 508 * traffic. 509 */ 510 rss_hash_config = RSS_HASHTYPE_RSS_IPV4 511 | RSS_HASHTYPE_RSS_TCP_IPV4 512 | RSS_HASHTYPE_RSS_IPV6 513 | RSS_HASHTYPE_RSS_TCP_IPV6 514 | RSS_HASHTYPE_RSS_IPV6_EX 515 | RSS_HASHTYPE_RSS_TCP_IPV6_EX; 516 } 517 518 mrqc = IXGBE_MRQC_RSSEN; 519 if (rss_hash_config & RSS_HASHTYPE_RSS_IPV4) 520 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4; 521 if (rss_hash_config & RSS_HASHTYPE_RSS_TCP_IPV4) 522 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4_TCP; 523 if (rss_hash_config & RSS_HASHTYPE_RSS_IPV6) 524 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6; 525 if (rss_hash_config & RSS_HASHTYPE_RSS_TCP_IPV6) 526 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_TCP; 527 if (rss_hash_config & RSS_HASHTYPE_RSS_IPV6_EX) 528 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_EX; 529 if (rss_hash_config & RSS_HASHTYPE_RSS_TCP_IPV6_EX) 530 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_EX_TCP; 531 if (rss_hash_config & RSS_HASHTYPE_RSS_UDP_IPV4) 532 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4_UDP; 533 if (rss_hash_config & RSS_HASHTYPE_RSS_UDP_IPV6) 534 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_UDP; 535 if (rss_hash_config & RSS_HASHTYPE_RSS_UDP_IPV6_EX) 536 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_EX_UDP; 537 mrqc |= ixgbe_get_mrqc(adapter->iov_mode); 538 IXGBE_WRITE_REG(hw, IXGBE_MRQC, mrqc); 539 } /* ixgbe_initialize_rss_mapping */ 540 541 /************************************************************************ 542 * ixgbe_initialize_receive_units - Setup receive registers and features. 543 ************************************************************************/ 544 #define BSIZEPKT_ROUNDUP ((1<<IXGBE_SRRCTL_BSIZEPKT_SHIFT)-1) 545 546 static void 547 ixgbe_initialize_receive_units(struct adapter *adapter) 548 { 549 struct rx_ring *rxr = adapter->rx_rings; 550 struct ixgbe_hw *hw = &adapter->hw; 551 struct ifnet *ifp = adapter->ifp; 552 int i, j; 553 u32 bufsz, fctrl, srrctl, rxcsum; 554 u32 hlreg; 555 556 /* 557 * Make sure receives are disabled while 558 * setting up the descriptor ring 559 */ 560 ixgbe_disable_rx(hw); 561 562 /* Enable broadcasts */ 563 fctrl = IXGBE_READ_REG(hw, IXGBE_FCTRL); 564 fctrl |= IXGBE_FCTRL_BAM; 565 if (adapter->hw.mac.type == ixgbe_mac_82598EB) { 566 fctrl |= IXGBE_FCTRL_DPF; 567 fctrl |= IXGBE_FCTRL_PMCF; 568 } 569 IXGBE_WRITE_REG(hw, IXGBE_FCTRL, fctrl); 570 571 /* Set for Jumbo Frames? */ 572 hlreg = IXGBE_READ_REG(hw, IXGBE_HLREG0); 573 if (ifp->if_mtu > ETHERMTU) 574 hlreg |= IXGBE_HLREG0_JUMBOEN; 575 else 576 hlreg &= ~IXGBE_HLREG0_JUMBOEN; 577 578 #ifdef DEV_NETMAP 579 /* CRC stripping is conditional in Netmap */ 580 if ((adapter->feat_en & IXGBE_FEATURE_NETMAP) && 581 (ifp->if_capenable & IFCAP_NETMAP) && 582 !ix_crcstrip) 583 hlreg &= ~IXGBE_HLREG0_RXCRCSTRP; 584 else 585 #endif /* DEV_NETMAP */ 586 hlreg |= IXGBE_HLREG0_RXCRCSTRP; 587 588 IXGBE_WRITE_REG(hw, IXGBE_HLREG0, hlreg); 589 590 bufsz = (adapter->rx_mbuf_sz + BSIZEPKT_ROUNDUP) >> 591 IXGBE_SRRCTL_BSIZEPKT_SHIFT; 592 593 for (i = 0; i < adapter->num_queues; i++, rxr++) { 594 u64 rdba = rxr->rxdma.dma_paddr; 595 u32 reg; 596 int regnum = i / 4; /* 1 register per 4 queues */ 597 int regshift = i % 4; /* 4 bits per 1 queue */ 598 j = rxr->me; 599 600 /* Setup the Base and Length of the Rx Descriptor Ring */ 601 IXGBE_WRITE_REG(hw, IXGBE_RDBAL(j), 602 (rdba & 0x00000000ffffffffULL)); 603 IXGBE_WRITE_REG(hw, IXGBE_RDBAH(j), (rdba >> 32)); 604 IXGBE_WRITE_REG(hw, IXGBE_RDLEN(j), 605 adapter->num_rx_desc * sizeof(union ixgbe_adv_rx_desc)); 606 607 /* Set up the SRRCTL register */ 608 srrctl = IXGBE_READ_REG(hw, IXGBE_SRRCTL(j)); 609 srrctl &= ~IXGBE_SRRCTL_BSIZEHDR_MASK; 610 srrctl &= ~IXGBE_SRRCTL_BSIZEPKT_MASK; 611 srrctl |= bufsz; 612 srrctl |= IXGBE_SRRCTL_DESCTYPE_ADV_ONEBUF; 613 614 /* Set RQSMR (Receive Queue Statistic Mapping) register */ 615 reg = IXGBE_READ_REG(hw, IXGBE_RQSMR(regnum)); 616 reg &= ~(0x000000ffUL << (regshift * 8)); 617 reg |= i << (regshift * 8); 618 IXGBE_WRITE_REG(hw, IXGBE_RQSMR(regnum), reg); 619 620 /* 621 * Set DROP_EN iff we have no flow control and >1 queue. 622 * Note that srrctl was cleared shortly before during reset, 623 * so we do not need to clear the bit, but do it just in case 624 * this code is moved elsewhere. 625 */ 626 if (adapter->num_queues > 1 && 627 adapter->hw.fc.requested_mode == ixgbe_fc_none) { 628 srrctl |= IXGBE_SRRCTL_DROP_EN; 629 } else { 630 srrctl &= ~IXGBE_SRRCTL_DROP_EN; 631 } 632 633 IXGBE_WRITE_REG(hw, IXGBE_SRRCTL(j), srrctl); 634 635 /* Setup the HW Rx Head and Tail Descriptor Pointers */ 636 IXGBE_WRITE_REG(hw, IXGBE_RDH(j), 0); 637 IXGBE_WRITE_REG(hw, IXGBE_RDT(j), 0); 638 639 /* Set the driver rx tail address */ 640 rxr->tail = IXGBE_RDT(rxr->me); 641 } 642 643 if (adapter->hw.mac.type != ixgbe_mac_82598EB) { 644 u32 psrtype = IXGBE_PSRTYPE_TCPHDR 645 | IXGBE_PSRTYPE_UDPHDR 646 | IXGBE_PSRTYPE_IPV4HDR 647 | IXGBE_PSRTYPE_IPV6HDR; 648 IXGBE_WRITE_REG(hw, IXGBE_PSRTYPE(0), psrtype); 649 } 650 651 rxcsum = IXGBE_READ_REG(hw, IXGBE_RXCSUM); 652 653 ixgbe_initialize_rss_mapping(adapter); 654 655 if (adapter->num_queues > 1) { 656 /* RSS and RX IPP Checksum are mutually exclusive */ 657 rxcsum |= IXGBE_RXCSUM_PCSD; 658 } 659 660 if (ifp->if_capenable & IFCAP_RXCSUM) 661 rxcsum |= IXGBE_RXCSUM_PCSD; 662 663 /* This is useful for calculating UDP/IP fragment checksums */ 664 if (!(rxcsum & IXGBE_RXCSUM_PCSD)) 665 rxcsum |= IXGBE_RXCSUM_IPPCSE; 666 667 IXGBE_WRITE_REG(hw, IXGBE_RXCSUM, rxcsum); 668 669 } /* ixgbe_initialize_receive_units */ 670 671 /************************************************************************ 672 * ixgbe_initialize_transmit_units - Enable transmit units. 673 ************************************************************************/ 674 static void 675 ixgbe_initialize_transmit_units(struct adapter *adapter) 676 { 677 struct tx_ring *txr = adapter->tx_rings; 678 struct ixgbe_hw *hw = &adapter->hw; 679 int i; 680 681 INIT_DEBUGOUT("ixgbe_initialize_transmit_units"); 682 683 /* Setup the Base and Length of the Tx Descriptor Ring */ 684 for (i = 0; i < adapter->num_queues; i++, txr++) { 685 u64 tdba = txr->txdma.dma_paddr; 686 u32 txctrl = 0; 687 u32 tqsmreg, reg; 688 int regnum = i / 4; /* 1 register per 4 queues */ 689 int regshift = i % 4; /* 4 bits per 1 queue */ 690 int j = txr->me; 691 692 IXGBE_WRITE_REG(hw, IXGBE_TDBAL(j), 693 (tdba & 0x00000000ffffffffULL)); 694 IXGBE_WRITE_REG(hw, IXGBE_TDBAH(j), (tdba >> 32)); 695 IXGBE_WRITE_REG(hw, IXGBE_TDLEN(j), 696 adapter->num_tx_desc * sizeof(union ixgbe_adv_tx_desc)); 697 698 /* 699 * Set TQSMR (Transmit Queue Statistic Mapping) register. 700 * Register location is different between 82598 and others. 701 */ 702 if (adapter->hw.mac.type == ixgbe_mac_82598EB) 703 tqsmreg = IXGBE_TQSMR(regnum); 704 else 705 tqsmreg = IXGBE_TQSM(regnum); 706 reg = IXGBE_READ_REG(hw, tqsmreg); 707 reg &= ~(0x000000ffUL << (regshift * 8)); 708 reg |= i << (regshift * 8); 709 IXGBE_WRITE_REG(hw, tqsmreg, reg); 710 711 /* Setup the HW Tx Head and Tail descriptor pointers */ 712 IXGBE_WRITE_REG(hw, IXGBE_TDH(j), 0); 713 IXGBE_WRITE_REG(hw, IXGBE_TDT(j), 0); 714 715 /* Cache the tail address */ 716 txr->tail = IXGBE_TDT(j); 717 718 txr->txr_no_space = false; 719 720 /* Disable Head Writeback */ 721 /* 722 * Note: for X550 series devices, these registers are actually 723 * prefixed with TPH_ isntead of DCA_, but the addresses and 724 * fields remain the same. 725 */ 726 switch (hw->mac.type) { 727 case ixgbe_mac_82598EB: 728 txctrl = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(j)); 729 break; 730 default: 731 txctrl = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL_82599(j)); 732 break; 733 } 734 txctrl &= ~IXGBE_DCA_TXCTRL_DESC_WRO_EN; 735 switch (hw->mac.type) { 736 case ixgbe_mac_82598EB: 737 IXGBE_WRITE_REG(hw, IXGBE_DCA_TXCTRL(j), txctrl); 738 break; 739 default: 740 IXGBE_WRITE_REG(hw, IXGBE_DCA_TXCTRL_82599(j), txctrl); 741 break; 742 } 743 744 } 745 746 if (hw->mac.type != ixgbe_mac_82598EB) { 747 u32 dmatxctl, rttdcs; 748 749 dmatxctl = IXGBE_READ_REG(hw, IXGBE_DMATXCTL); 750 dmatxctl |= IXGBE_DMATXCTL_TE; 751 IXGBE_WRITE_REG(hw, IXGBE_DMATXCTL, dmatxctl); 752 /* Disable arbiter to set MTQC */ 753 rttdcs = IXGBE_READ_REG(hw, IXGBE_RTTDCS); 754 rttdcs |= IXGBE_RTTDCS_ARBDIS; 755 IXGBE_WRITE_REG(hw, IXGBE_RTTDCS, rttdcs); 756 IXGBE_WRITE_REG(hw, IXGBE_MTQC, 757 ixgbe_get_mtqc(adapter->iov_mode)); 758 rttdcs &= ~IXGBE_RTTDCS_ARBDIS; 759 IXGBE_WRITE_REG(hw, IXGBE_RTTDCS, rttdcs); 760 } 761 762 return; 763 } /* ixgbe_initialize_transmit_units */ 764 765 static void 766 ixgbe_quirks(struct adapter *adapter) 767 { 768 device_t dev = adapter->dev; 769 struct ixgbe_hw *hw = &adapter->hw; 770 const char *vendor, *product; 771 772 if (hw->device_id == IXGBE_DEV_ID_X550EM_A_SFP_N) { 773 /* 774 * Quirk for inverted logic of SFP+'s MOD_ABS on GIGABYTE 775 * MA10-ST0. 776 */ 777 vendor = pmf_get_platform("system-vendor"); 778 product = pmf_get_platform("system-product"); 779 780 if ((vendor == NULL) || (product == NULL)) 781 return; 782 783 if ((strcmp(vendor, "GIGABYTE") == 0) && 784 (strcmp(product, "MA10-ST0") == 0)) { 785 aprint_verbose_dev(dev, 786 "Enable SFP+ MOD_ABS inverse quirk\n"); 787 adapter->hw.quirks |= IXGBE_QUIRK_MOD_ABS_INVERT; 788 } 789 } 790 } 791 792 /************************************************************************ 793 * ixgbe_attach - Device initialization routine 794 * 795 * Called when the driver is being loaded. 796 * Identifies the type of hardware, allocates all resources 797 * and initializes the hardware. 798 * 799 * return 0 on success, positive on failure 800 ************************************************************************/ 801 static void 802 ixgbe_attach(device_t parent, device_t dev, void *aux) 803 { 804 struct adapter *adapter; 805 struct ixgbe_hw *hw; 806 int error = -1; 807 u32 ctrl_ext; 808 u16 high, low, nvmreg; 809 pcireg_t id, subid; 810 const ixgbe_vendor_info_t *ent; 811 struct pci_attach_args *pa = aux; 812 bool unsupported_sfp = false; 813 const char *str; 814 char wqname[MAXCOMLEN]; 815 char buf[256]; 816 817 INIT_DEBUGOUT("ixgbe_attach: begin"); 818 819 /* Allocate, clear, and link in our adapter structure */ 820 adapter = device_private(dev); 821 adapter->hw.back = adapter; 822 adapter->dev = dev; 823 hw = &adapter->hw; 824 adapter->osdep.pc = pa->pa_pc; 825 adapter->osdep.tag = pa->pa_tag; 826 if (pci_dma64_available(pa)) 827 adapter->osdep.dmat = pa->pa_dmat64; 828 else 829 adapter->osdep.dmat = pa->pa_dmat; 830 adapter->osdep.attached = false; 831 adapter->osdep.detaching = false; 832 833 ent = ixgbe_lookup(pa); 834 835 KASSERT(ent != NULL); 836 837 aprint_normal(": %s, Version - %s\n", 838 ixgbe_strings[ent->index], ixgbe_driver_version); 839 840 /* Core Lock Init */ 841 IXGBE_CORE_LOCK_INIT(adapter, device_xname(dev)); 842 843 /* Set up the timer callout and workqueue */ 844 callout_init(&adapter->timer, IXGBE_CALLOUT_FLAGS); 845 snprintf(wqname, sizeof(wqname), "%s-timer", device_xname(dev)); 846 error = workqueue_create(&adapter->timer_wq, wqname, 847 ixgbe_handle_timer, adapter, IXGBE_WORKQUEUE_PRI, IPL_NET, 848 IXGBE_TASKLET_WQ_FLAGS); 849 if (error) { 850 aprint_error_dev(dev, 851 "could not create timer workqueue (%d)\n", error); 852 goto err_out; 853 } 854 855 /* Determine hardware revision */ 856 id = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_ID_REG); 857 subid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG); 858 859 hw->vendor_id = PCI_VENDOR(id); 860 hw->device_id = PCI_PRODUCT(id); 861 hw->revision_id = 862 PCI_REVISION(pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_CLASS_REG)); 863 hw->subsystem_vendor_id = PCI_SUBSYS_VENDOR(subid); 864 hw->subsystem_device_id = PCI_SUBSYS_ID(subid); 865 866 /* Set quirk flags */ 867 ixgbe_quirks(adapter); 868 869 /* 870 * Make sure BUSMASTER is set 871 */ 872 ixgbe_pci_enable_busmaster(pa->pa_pc, pa->pa_tag); 873 874 /* Do base PCI setup - map BAR0 */ 875 if (ixgbe_allocate_pci_resources(adapter, pa)) { 876 aprint_error_dev(dev, "Allocation of PCI resources failed\n"); 877 error = ENXIO; 878 goto err_out; 879 } 880 881 /* let hardware know driver is loaded */ 882 ctrl_ext = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT); 883 ctrl_ext |= IXGBE_CTRL_EXT_DRV_LOAD; 884 IXGBE_WRITE_REG(hw, IXGBE_CTRL_EXT, ctrl_ext); 885 886 /* 887 * Initialize the shared code 888 */ 889 if (ixgbe_init_shared_code(hw) != 0) { 890 aprint_error_dev(dev, "Unable to initialize the shared code\n"); 891 error = ENXIO; 892 goto err_out; 893 } 894 895 switch (hw->mac.type) { 896 case ixgbe_mac_82598EB: 897 str = "82598EB"; 898 break; 899 case ixgbe_mac_82599EB: 900 str = "82599EB"; 901 break; 902 case ixgbe_mac_X540: 903 str = "X540"; 904 break; 905 case ixgbe_mac_X550: 906 str = "X550"; 907 break; 908 case ixgbe_mac_X550EM_x: 909 str = "X550EM X"; 910 break; 911 case ixgbe_mac_X550EM_a: 912 str = "X550EM A"; 913 break; 914 default: 915 str = "Unknown"; 916 break; 917 } 918 aprint_normal_dev(dev, "device %s\n", str); 919 920 if (hw->mbx.ops.init_params) 921 hw->mbx.ops.init_params(hw); 922 923 hw->allow_unsupported_sfp = allow_unsupported_sfp; 924 925 /* Pick up the 82599 settings */ 926 if (hw->mac.type != ixgbe_mac_82598EB) { 927 hw->phy.smart_speed = ixgbe_smart_speed; 928 adapter->num_segs = IXGBE_82599_SCATTER; 929 } else 930 adapter->num_segs = IXGBE_82598_SCATTER; 931 932 /* Ensure SW/FW semaphore is free */ 933 ixgbe_init_swfw_semaphore(hw); 934 935 hw->mac.ops.set_lan_id(hw); 936 ixgbe_init_device_features(adapter); 937 938 if (ixgbe_configure_interrupts(adapter)) { 939 error = ENXIO; 940 goto err_out; 941 } 942 943 /* Allocate multicast array memory. */ 944 adapter->mta = malloc(sizeof(*adapter->mta) * 945 MAX_NUM_MULTICAST_ADDRESSES, M_DEVBUF, M_WAITOK); 946 947 /* Enable WoL (if supported) */ 948 ixgbe_check_wol_support(adapter); 949 950 /* Register for VLAN events */ 951 ether_set_vlan_cb(&adapter->osdep.ec, ixgbe_vlan_cb); 952 953 /* Verify adapter fan is still functional (if applicable) */ 954 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) { 955 u32 esdp = IXGBE_READ_REG(hw, IXGBE_ESDP); 956 ixgbe_check_fan_failure(adapter, esdp, FALSE); 957 } 958 959 /* Set an initial default flow control value */ 960 hw->fc.requested_mode = ixgbe_flow_control; 961 962 /* Sysctls for limiting the amount of work done in the taskqueues */ 963 ixgbe_set_sysctl_value(adapter, "rx_processing_limit", 964 "max number of rx packets to process", 965 &adapter->rx_process_limit, ixgbe_rx_process_limit); 966 967 ixgbe_set_sysctl_value(adapter, "tx_processing_limit", 968 "max number of tx packets to process", 969 &adapter->tx_process_limit, ixgbe_tx_process_limit); 970 971 /* Do descriptor calc and sanity checks */ 972 if (((ixgbe_txd * sizeof(union ixgbe_adv_tx_desc)) % DBA_ALIGN) != 0 || 973 ixgbe_txd < MIN_TXD || ixgbe_txd > MAX_TXD) { 974 aprint_error_dev(dev, "TXD config issue, using default!\n"); 975 adapter->num_tx_desc = DEFAULT_TXD; 976 } else 977 adapter->num_tx_desc = ixgbe_txd; 978 979 if (((ixgbe_rxd * sizeof(union ixgbe_adv_rx_desc)) % DBA_ALIGN) != 0 || 980 ixgbe_rxd < MIN_RXD || ixgbe_rxd > MAX_RXD) { 981 aprint_error_dev(dev, "RXD config issue, using default!\n"); 982 adapter->num_rx_desc = DEFAULT_RXD; 983 } else 984 adapter->num_rx_desc = ixgbe_rxd; 985 986 /* Allocate our TX/RX Queues */ 987 if (ixgbe_allocate_queues(adapter)) { 988 error = ENOMEM; 989 goto err_out; 990 } 991 992 hw->phy.reset_if_overtemp = TRUE; 993 error = ixgbe_reset_hw(hw); 994 hw->phy.reset_if_overtemp = FALSE; 995 if (error == IXGBE_ERR_SFP_NOT_PRESENT) 996 error = IXGBE_SUCCESS; 997 else if (error == IXGBE_ERR_SFP_NOT_SUPPORTED) { 998 aprint_error_dev(dev, "Unsupported SFP+ module detected!\n"); 999 unsupported_sfp = true; 1000 error = IXGBE_SUCCESS; 1001 } else if (error) { 1002 aprint_error_dev(dev, "Hardware initialization failed\n"); 1003 error = EIO; 1004 goto err_late; 1005 } 1006 1007 /* Make sure we have a good EEPROM before we read from it */ 1008 if (ixgbe_validate_eeprom_checksum(&adapter->hw, NULL) < 0) { 1009 aprint_error_dev(dev, "The EEPROM Checksum Is Not Valid\n"); 1010 error = EIO; 1011 goto err_late; 1012 } 1013 1014 aprint_normal("%s:", device_xname(dev)); 1015 /* NVM Image Version */ 1016 high = low = 0; 1017 switch (hw->mac.type) { 1018 case ixgbe_mac_X540: 1019 case ixgbe_mac_X550EM_a: 1020 hw->eeprom.ops.read(hw, IXGBE_NVM_IMAGE_VER, &nvmreg); 1021 if (nvmreg == 0xffff) 1022 break; 1023 high = (nvmreg >> 12) & 0x0f; 1024 low = (nvmreg >> 4) & 0xff; 1025 id = nvmreg & 0x0f; 1026 aprint_normal(" NVM Image Version %u.", high); 1027 if (hw->mac.type == ixgbe_mac_X540) 1028 str = "%x"; 1029 else 1030 str = "%02x"; 1031 aprint_normal(str, low); 1032 aprint_normal(" ID 0x%x,", id); 1033 break; 1034 case ixgbe_mac_X550EM_x: 1035 case ixgbe_mac_X550: 1036 hw->eeprom.ops.read(hw, IXGBE_NVM_IMAGE_VER, &nvmreg); 1037 if (nvmreg == 0xffff) 1038 break; 1039 high = (nvmreg >> 12) & 0x0f; 1040 low = nvmreg & 0xff; 1041 aprint_normal(" NVM Image Version %u.%02x,", high, low); 1042 break; 1043 default: 1044 break; 1045 } 1046 hw->eeprom.nvm_image_ver_high = high; 1047 hw->eeprom.nvm_image_ver_low = low; 1048 1049 /* PHY firmware revision */ 1050 switch (hw->mac.type) { 1051 case ixgbe_mac_X540: 1052 case ixgbe_mac_X550: 1053 hw->eeprom.ops.read(hw, IXGBE_PHYFW_REV, &nvmreg); 1054 if (nvmreg == 0xffff) 1055 break; 1056 high = (nvmreg >> 12) & 0x0f; 1057 low = (nvmreg >> 4) & 0xff; 1058 id = nvmreg & 0x000f; 1059 aprint_normal(" PHY FW Revision %u.", high); 1060 if (hw->mac.type == ixgbe_mac_X540) 1061 str = "%x"; 1062 else 1063 str = "%02x"; 1064 aprint_normal(str, low); 1065 aprint_normal(" ID 0x%x,", id); 1066 break; 1067 default: 1068 break; 1069 } 1070 1071 /* NVM Map version & OEM NVM Image version */ 1072 switch (hw->mac.type) { 1073 case ixgbe_mac_X550: 1074 case ixgbe_mac_X550EM_x: 1075 case ixgbe_mac_X550EM_a: 1076 hw->eeprom.ops.read(hw, IXGBE_NVM_MAP_VER, &nvmreg); 1077 if (nvmreg != 0xffff) { 1078 high = (nvmreg >> 12) & 0x0f; 1079 low = nvmreg & 0x00ff; 1080 aprint_normal(" NVM Map version %u.%02x,", high, low); 1081 } 1082 hw->eeprom.ops.read(hw, IXGBE_OEM_NVM_IMAGE_VER, &nvmreg); 1083 if (nvmreg != 0xffff) { 1084 high = (nvmreg >> 12) & 0x0f; 1085 low = nvmreg & 0x00ff; 1086 aprint_verbose(" OEM NVM Image version %u.%02x,", high, 1087 low); 1088 } 1089 break; 1090 default: 1091 break; 1092 } 1093 1094 /* Print the ETrackID */ 1095 hw->eeprom.ops.read(hw, IXGBE_ETRACKID_H, &high); 1096 hw->eeprom.ops.read(hw, IXGBE_ETRACKID_L, &low); 1097 aprint_normal(" ETrackID %08x\n", ((uint32_t)high << 16) | low); 1098 1099 if (adapter->feat_en & IXGBE_FEATURE_MSIX) { 1100 error = ixgbe_allocate_msix(adapter, pa); 1101 if (error) { 1102 /* Free allocated queue structures first */ 1103 ixgbe_free_queues(adapter); 1104 1105 /* Fallback to legacy interrupt */ 1106 adapter->feat_en &= ~IXGBE_FEATURE_MSIX; 1107 if (adapter->feat_cap & IXGBE_FEATURE_MSI) 1108 adapter->feat_en |= IXGBE_FEATURE_MSI; 1109 adapter->num_queues = 1; 1110 1111 /* Allocate our TX/RX Queues again */ 1112 if (ixgbe_allocate_queues(adapter)) { 1113 error = ENOMEM; 1114 goto err_out; 1115 } 1116 } 1117 } 1118 /* Recovery mode */ 1119 switch (adapter->hw.mac.type) { 1120 case ixgbe_mac_X550: 1121 case ixgbe_mac_X550EM_x: 1122 case ixgbe_mac_X550EM_a: 1123 /* >= 2.00 */ 1124 if (hw->eeprom.nvm_image_ver_high >= 2) { 1125 adapter->feat_cap |= IXGBE_FEATURE_RECOVERY_MODE; 1126 adapter->feat_en |= IXGBE_FEATURE_RECOVERY_MODE; 1127 } 1128 break; 1129 default: 1130 break; 1131 } 1132 1133 if ((adapter->feat_en & IXGBE_FEATURE_MSIX) == 0) 1134 error = ixgbe_allocate_legacy(adapter, pa); 1135 if (error) 1136 goto err_late; 1137 1138 /* Tasklets for Link, SFP, Multispeed Fiber and Flow Director */ 1139 mutex_init(&(adapter)->admin_mtx, MUTEX_DEFAULT, IPL_NET); 1140 snprintf(wqname, sizeof(wqname), "%s-admin", device_xname(dev)); 1141 error = workqueue_create(&adapter->admin_wq, wqname, 1142 ixgbe_handle_admin, adapter, IXGBE_WORKQUEUE_PRI, IPL_NET, 1143 IXGBE_TASKLET_WQ_FLAGS); 1144 if (error) { 1145 aprint_error_dev(dev, 1146 "could not create admin workqueue (%d)\n", error); 1147 goto err_out; 1148 } 1149 1150 error = ixgbe_start_hw(hw); 1151 switch (error) { 1152 case IXGBE_ERR_EEPROM_VERSION: 1153 aprint_error_dev(dev, "This device is a pre-production adapter/" 1154 "LOM. Please be aware there may be issues associated " 1155 "with your hardware.\nIf you are experiencing problems " 1156 "please contact your Intel or hardware representative " 1157 "who provided you with this hardware.\n"); 1158 break; 1159 default: 1160 break; 1161 } 1162 1163 /* Setup OS specific network interface */ 1164 if (ixgbe_setup_interface(dev, adapter) != 0) 1165 goto err_late; 1166 1167 /* 1168 * Print PHY ID only for copper PHY. On device which has SFP(+) cage 1169 * and a module is inserted, phy.id is not MII PHY id but SFF 8024 ID. 1170 */ 1171 if (hw->phy.media_type == ixgbe_media_type_copper) { 1172 uint16_t id1, id2; 1173 int oui, model, rev; 1174 const char *descr; 1175 1176 id1 = hw->phy.id >> 16; 1177 id2 = hw->phy.id & 0xffff; 1178 oui = MII_OUI(id1, id2); 1179 model = MII_MODEL(id2); 1180 rev = MII_REV(id2); 1181 if ((descr = mii_get_descr(oui, model)) != NULL) 1182 aprint_normal_dev(dev, 1183 "PHY: %s (OUI 0x%06x, model 0x%04x), rev. %d\n", 1184 descr, oui, model, rev); 1185 else 1186 aprint_normal_dev(dev, 1187 "PHY OUI 0x%06x, model 0x%04x, rev. %d\n", 1188 oui, model, rev); 1189 } 1190 1191 /* Enable EEE power saving */ 1192 if (adapter->feat_cap & IXGBE_FEATURE_EEE) 1193 hw->mac.ops.setup_eee(hw, 1194 adapter->feat_en & IXGBE_FEATURE_EEE); 1195 1196 /* Enable power to the phy. */ 1197 if (!unsupported_sfp) { 1198 /* Enable the optics for 82599 SFP+ fiber */ 1199 ixgbe_enable_tx_laser(hw); 1200 1201 /* 1202 * XXX Currently, ixgbe_set_phy_power() supports only copper 1203 * PHY, so it's not required to test with !unsupported_sfp. 1204 */ 1205 ixgbe_set_phy_power(hw, TRUE); 1206 } 1207 1208 /* Initialize statistics */ 1209 ixgbe_update_stats_counters(adapter); 1210 1211 /* Check PCIE slot type/speed/width */ 1212 ixgbe_get_slot_info(adapter); 1213 1214 /* 1215 * Do time init and sysctl init here, but 1216 * only on the first port of a bypass adapter. 1217 */ 1218 ixgbe_bypass_init(adapter); 1219 1220 /* Set an initial dmac value */ 1221 adapter->dmac = 0; 1222 /* Set initial advertised speeds (if applicable) */ 1223 adapter->advertise = ixgbe_get_advertise(adapter); 1224 1225 if (adapter->feat_cap & IXGBE_FEATURE_SRIOV) 1226 ixgbe_define_iov_schemas(dev, &error); 1227 1228 /* Add sysctls */ 1229 ixgbe_add_device_sysctls(adapter); 1230 ixgbe_add_hw_stats(adapter); 1231 1232 /* For Netmap */ 1233 adapter->init_locked = ixgbe_init_locked; 1234 adapter->stop_locked = ixgbe_stop_locked; 1235 1236 if (adapter->feat_en & IXGBE_FEATURE_NETMAP) 1237 ixgbe_netmap_attach(adapter); 1238 1239 snprintb(buf, sizeof(buf), IXGBE_FEATURE_FLAGS, adapter->feat_cap); 1240 aprint_verbose_dev(dev, "feature cap %s\n", buf); 1241 snprintb(buf, sizeof(buf), IXGBE_FEATURE_FLAGS, adapter->feat_en); 1242 aprint_verbose_dev(dev, "feature ena %s\n", buf); 1243 1244 if (pmf_device_register(dev, ixgbe_suspend, ixgbe_resume)) 1245 pmf_class_network_register(dev, adapter->ifp); 1246 else 1247 aprint_error_dev(dev, "couldn't establish power handler\n"); 1248 1249 /* Init recovery mode timer and state variable */ 1250 if (adapter->feat_en & IXGBE_FEATURE_RECOVERY_MODE) { 1251 adapter->recovery_mode = 0; 1252 1253 /* Set up the timer callout */ 1254 callout_init(&adapter->recovery_mode_timer, 1255 IXGBE_CALLOUT_FLAGS); 1256 snprintf(wqname, sizeof(wqname), "%s-recovery", 1257 device_xname(dev)); 1258 error = workqueue_create(&adapter->recovery_mode_timer_wq, 1259 wqname, ixgbe_handle_recovery_mode_timer, adapter, 1260 IXGBE_WORKQUEUE_PRI, IPL_NET, IXGBE_TASKLET_WQ_FLAGS); 1261 if (error) { 1262 aprint_error_dev(dev, "could not create " 1263 "recovery_mode_timer workqueue (%d)\n", error); 1264 goto err_out; 1265 } 1266 1267 /* Start the task */ 1268 callout_reset(&adapter->recovery_mode_timer, hz, 1269 ixgbe_recovery_mode_timer, adapter); 1270 } 1271 1272 INIT_DEBUGOUT("ixgbe_attach: end"); 1273 adapter->osdep.attached = true; 1274 1275 return; 1276 1277 err_late: 1278 ixgbe_free_queues(adapter); 1279 err_out: 1280 ctrl_ext = IXGBE_READ_REG(&adapter->hw, IXGBE_CTRL_EXT); 1281 ctrl_ext &= ~IXGBE_CTRL_EXT_DRV_LOAD; 1282 IXGBE_WRITE_REG(&adapter->hw, IXGBE_CTRL_EXT, ctrl_ext); 1283 ixgbe_free_deferred_handlers(adapter); 1284 ixgbe_free_pci_resources(adapter); 1285 if (adapter->mta != NULL) 1286 free(adapter->mta, M_DEVBUF); 1287 mutex_destroy(&(adapter)->admin_mtx); /* XXX appropriate order? */ 1288 IXGBE_CORE_LOCK_DESTROY(adapter); 1289 1290 return; 1291 } /* ixgbe_attach */ 1292 1293 /************************************************************************ 1294 * ixgbe_check_wol_support 1295 * 1296 * Checks whether the adapter's ports are capable of 1297 * Wake On LAN by reading the adapter's NVM. 1298 * 1299 * Sets each port's hw->wol_enabled value depending 1300 * on the value read here. 1301 ************************************************************************/ 1302 static void 1303 ixgbe_check_wol_support(struct adapter *adapter) 1304 { 1305 struct ixgbe_hw *hw = &adapter->hw; 1306 u16 dev_caps = 0; 1307 1308 /* Find out WoL support for port */ 1309 adapter->wol_support = hw->wol_enabled = 0; 1310 ixgbe_get_device_caps(hw, &dev_caps); 1311 if ((dev_caps & IXGBE_DEVICE_CAPS_WOL_PORT0_1) || 1312 ((dev_caps & IXGBE_DEVICE_CAPS_WOL_PORT0) && 1313 hw->bus.func == 0)) 1314 adapter->wol_support = hw->wol_enabled = 1; 1315 1316 /* Save initial wake up filter configuration */ 1317 adapter->wufc = IXGBE_READ_REG(hw, IXGBE_WUFC); 1318 1319 return; 1320 } /* ixgbe_check_wol_support */ 1321 1322 /************************************************************************ 1323 * ixgbe_setup_interface 1324 * 1325 * Setup networking device structure and register an interface. 1326 ************************************************************************/ 1327 static int 1328 ixgbe_setup_interface(device_t dev, struct adapter *adapter) 1329 { 1330 struct ethercom *ec = &adapter->osdep.ec; 1331 struct ifnet *ifp; 1332 int rv; 1333 1334 INIT_DEBUGOUT("ixgbe_setup_interface: begin"); 1335 1336 ifp = adapter->ifp = &ec->ec_if; 1337 strlcpy(ifp->if_xname, device_xname(dev), IFNAMSIZ); 1338 ifp->if_baudrate = IF_Gbps(10); 1339 ifp->if_init = ixgbe_init; 1340 ifp->if_stop = ixgbe_ifstop; 1341 ifp->if_softc = adapter; 1342 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 1343 #ifdef IXGBE_MPSAFE 1344 ifp->if_extflags = IFEF_MPSAFE; 1345 #endif 1346 ifp->if_ioctl = ixgbe_ioctl; 1347 #if __FreeBSD_version >= 1100045 1348 /* TSO parameters */ 1349 ifp->if_hw_tsomax = 65518; 1350 ifp->if_hw_tsomaxsegcount = IXGBE_82599_SCATTER; 1351 ifp->if_hw_tsomaxsegsize = 2048; 1352 #endif 1353 if (adapter->feat_en & IXGBE_FEATURE_LEGACY_TX) { 1354 #if 0 1355 ixgbe_start_locked = ixgbe_legacy_start_locked; 1356 #endif 1357 } else { 1358 ifp->if_transmit = ixgbe_mq_start; 1359 #if 0 1360 ixgbe_start_locked = ixgbe_mq_start_locked; 1361 #endif 1362 } 1363 ifp->if_start = ixgbe_legacy_start; 1364 IFQ_SET_MAXLEN(&ifp->if_snd, adapter->num_tx_desc - 2); 1365 IFQ_SET_READY(&ifp->if_snd); 1366 1367 rv = if_initialize(ifp); 1368 if (rv != 0) { 1369 aprint_error_dev(dev, "if_initialize failed(%d)\n", rv); 1370 return rv; 1371 } 1372 adapter->ipq = if_percpuq_create(&adapter->osdep.ec.ec_if); 1373 ether_ifattach(ifp, adapter->hw.mac.addr); 1374 aprint_normal_dev(dev, "Ethernet address %s\n", 1375 ether_sprintf(adapter->hw.mac.addr)); 1376 /* 1377 * We use per TX queue softint, so if_deferred_start_init() isn't 1378 * used. 1379 */ 1380 ether_set_ifflags_cb(ec, ixgbe_ifflags_cb); 1381 1382 adapter->max_frame_size = ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN; 1383 1384 /* 1385 * Tell the upper layer(s) we support long frames. 1386 */ 1387 ifp->if_hdrlen = sizeof(struct ether_vlan_header); 1388 1389 /* Set capability flags */ 1390 ifp->if_capabilities |= IFCAP_RXCSUM 1391 | IFCAP_TXCSUM 1392 | IFCAP_TSOv4 1393 | IFCAP_TSOv6; 1394 ifp->if_capenable = 0; 1395 1396 ec->ec_capabilities |= ETHERCAP_VLAN_HWTAGGING 1397 | ETHERCAP_VLAN_HWCSUM 1398 | ETHERCAP_JUMBO_MTU 1399 | ETHERCAP_VLAN_MTU; 1400 1401 /* Enable the above capabilities by default */ 1402 ec->ec_capenable = ec->ec_capabilities; 1403 1404 /* 1405 * Don't turn this on by default, if vlans are 1406 * created on another pseudo device (eg. lagg) 1407 * then vlan events are not passed thru, breaking 1408 * operation, but with HW FILTER off it works. If 1409 * using vlans directly on the ixgbe driver you can 1410 * enable this and get full hardware tag filtering. 1411 */ 1412 ec->ec_capabilities |= ETHERCAP_VLAN_HWFILTER; 1413 1414 /* 1415 * Specify the media types supported by this adapter and register 1416 * callbacks to update media and link information 1417 */ 1418 ec->ec_ifmedia = &adapter->media; 1419 ifmedia_init_with_lock(&adapter->media, IFM_IMASK, ixgbe_media_change, 1420 ixgbe_media_status, &adapter->core_mtx); 1421 1422 adapter->phy_layer = ixgbe_get_supported_physical_layer(&adapter->hw); 1423 ixgbe_add_media_types(adapter); 1424 1425 /* Set autoselect media by default */ 1426 ifmedia_set(&adapter->media, IFM_ETHER | IFM_AUTO); 1427 1428 if_register(ifp); 1429 1430 return (0); 1431 } /* ixgbe_setup_interface */ 1432 1433 /************************************************************************ 1434 * ixgbe_add_media_types 1435 ************************************************************************/ 1436 static void 1437 ixgbe_add_media_types(struct adapter *adapter) 1438 { 1439 struct ixgbe_hw *hw = &adapter->hw; 1440 u64 layer; 1441 1442 layer = adapter->phy_layer; 1443 1444 #define ADD(mm, dd) \ 1445 ifmedia_add(&adapter->media, IFM_ETHER | (mm), (dd), NULL); 1446 1447 ADD(IFM_NONE, 0); 1448 1449 /* Media types with matching NetBSD media defines */ 1450 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_T) { 1451 ADD(IFM_10G_T | IFM_FDX, 0); 1452 } 1453 if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_T) { 1454 ADD(IFM_1000_T | IFM_FDX, 0); 1455 } 1456 if (layer & IXGBE_PHYSICAL_LAYER_100BASE_TX) { 1457 ADD(IFM_100_TX | IFM_FDX, 0); 1458 } 1459 if (layer & IXGBE_PHYSICAL_LAYER_10BASE_T) { 1460 ADD(IFM_10_T | IFM_FDX, 0); 1461 } 1462 1463 if (layer & IXGBE_PHYSICAL_LAYER_SFP_PLUS_CU || 1464 layer & IXGBE_PHYSICAL_LAYER_SFP_ACTIVE_DA) { 1465 ADD(IFM_10G_TWINAX | IFM_FDX, 0); 1466 } 1467 1468 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_LR) { 1469 ADD(IFM_10G_LR | IFM_FDX, 0); 1470 if (hw->phy.multispeed_fiber) { 1471 ADD(IFM_1000_LX | IFM_FDX, 0); 1472 } 1473 } 1474 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_SR) { 1475 ADD(IFM_10G_SR | IFM_FDX, 0); 1476 if (hw->phy.multispeed_fiber) { 1477 ADD(IFM_1000_SX | IFM_FDX, 0); 1478 } 1479 } else if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_SX) { 1480 ADD(IFM_1000_SX | IFM_FDX, 0); 1481 } 1482 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_CX4) { 1483 ADD(IFM_10G_CX4 | IFM_FDX, 0); 1484 } 1485 1486 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KR) { 1487 ADD(IFM_10G_KR | IFM_FDX, 0); 1488 } 1489 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KX4) { 1490 ADD(IFM_10G_KX4 | IFM_FDX, 0); 1491 } 1492 if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_KX) { 1493 ADD(IFM_1000_KX | IFM_FDX, 0); 1494 } 1495 if (layer & IXGBE_PHYSICAL_LAYER_2500BASE_KX) { 1496 ADD(IFM_2500_KX | IFM_FDX, 0); 1497 } 1498 if (layer & IXGBE_PHYSICAL_LAYER_2500BASE_T) { 1499 ADD(IFM_2500_T | IFM_FDX, 0); 1500 } 1501 if (layer & IXGBE_PHYSICAL_LAYER_5GBASE_T) { 1502 ADD(IFM_5000_T | IFM_FDX, 0); 1503 } 1504 if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_BX) 1505 ADD(IFM_1000_BX10 | IFM_FDX, 0); 1506 /* XXX no ifmedia_set? */ 1507 1508 ADD(IFM_AUTO, 0); 1509 1510 #undef ADD 1511 } /* ixgbe_add_media_types */ 1512 1513 /************************************************************************ 1514 * ixgbe_is_sfp 1515 ************************************************************************/ 1516 static inline bool 1517 ixgbe_is_sfp(struct ixgbe_hw *hw) 1518 { 1519 switch (hw->mac.type) { 1520 case ixgbe_mac_82598EB: 1521 if (hw->phy.type == ixgbe_phy_nl) 1522 return (TRUE); 1523 return (FALSE); 1524 case ixgbe_mac_82599EB: 1525 case ixgbe_mac_X550EM_x: 1526 case ixgbe_mac_X550EM_a: 1527 switch (hw->mac.ops.get_media_type(hw)) { 1528 case ixgbe_media_type_fiber: 1529 case ixgbe_media_type_fiber_qsfp: 1530 return (TRUE); 1531 default: 1532 return (FALSE); 1533 } 1534 default: 1535 return (FALSE); 1536 } 1537 } /* ixgbe_is_sfp */ 1538 1539 static void 1540 ixgbe_schedule_admin_tasklet(struct adapter *adapter) 1541 { 1542 1543 KASSERT(mutex_owned(&adapter->admin_mtx)); 1544 1545 if (__predict_true(adapter->osdep.detaching == false)) { 1546 if (adapter->admin_pending == 0) 1547 workqueue_enqueue(adapter->admin_wq, 1548 &adapter->admin_wc, NULL); 1549 adapter->admin_pending = 1; 1550 } 1551 } 1552 1553 /************************************************************************ 1554 * ixgbe_config_link 1555 ************************************************************************/ 1556 static void 1557 ixgbe_config_link(struct adapter *adapter) 1558 { 1559 struct ixgbe_hw *hw = &adapter->hw; 1560 u32 autoneg, err = 0; 1561 u32 task_requests = 0; 1562 bool sfp, negotiate = false; 1563 1564 sfp = ixgbe_is_sfp(hw); 1565 1566 if (sfp) { 1567 if (hw->phy.multispeed_fiber) { 1568 ixgbe_enable_tx_laser(hw); 1569 task_requests |= IXGBE_REQUEST_TASK_MSF; 1570 } 1571 task_requests |= IXGBE_REQUEST_TASK_MOD; 1572 1573 mutex_enter(&adapter->admin_mtx); 1574 adapter->task_requests |= task_requests; 1575 ixgbe_schedule_admin_tasklet(adapter); 1576 mutex_exit(&adapter->admin_mtx); 1577 } else { 1578 struct ifmedia *ifm = &adapter->media; 1579 1580 if (hw->mac.ops.check_link) 1581 err = ixgbe_check_link(hw, &adapter->link_speed, 1582 &adapter->link_up, FALSE); 1583 if (err) 1584 return; 1585 1586 /* 1587 * Check if it's the first call. If it's the first call, 1588 * get value for auto negotiation. 1589 */ 1590 autoneg = hw->phy.autoneg_advertised; 1591 if ((IFM_SUBTYPE(ifm->ifm_cur->ifm_media) != IFM_NONE) 1592 && ((!autoneg) && (hw->mac.ops.get_link_capabilities))) 1593 err = hw->mac.ops.get_link_capabilities(hw, &autoneg, 1594 &negotiate); 1595 if (err) 1596 return; 1597 if (hw->mac.ops.setup_link) 1598 err = hw->mac.ops.setup_link(hw, autoneg, 1599 adapter->link_up); 1600 } 1601 1602 } /* ixgbe_config_link */ 1603 1604 /************************************************************************ 1605 * ixgbe_update_stats_counters - Update board statistics counters. 1606 ************************************************************************/ 1607 static void 1608 ixgbe_update_stats_counters(struct adapter *adapter) 1609 { 1610 struct ifnet *ifp = adapter->ifp; 1611 struct ixgbe_hw *hw = &adapter->hw; 1612 struct ixgbe_hw_stats *stats = &adapter->stats.pf; 1613 u32 missed_rx = 0, bprc, lxon, lxoff, total; 1614 u64 total_missed_rx = 0; 1615 uint64_t crcerrs, rlec; 1616 unsigned int queue_counters; 1617 int i; 1618 1619 crcerrs = IXGBE_READ_REG(hw, IXGBE_CRCERRS); 1620 stats->crcerrs.ev_count += crcerrs; 1621 stats->illerrc.ev_count += IXGBE_READ_REG(hw, IXGBE_ILLERRC); 1622 stats->errbc.ev_count += IXGBE_READ_REG(hw, IXGBE_ERRBC); 1623 stats->mspdc.ev_count += IXGBE_READ_REG(hw, IXGBE_MSPDC); 1624 if (hw->mac.type >= ixgbe_mac_X550) 1625 stats->mbsdc.ev_count += IXGBE_READ_REG(hw, IXGBE_MBSDC); 1626 1627 /* 16 registers exist */ 1628 queue_counters = uimin(__arraycount(stats->qprc), adapter->num_queues); 1629 for (i = 0; i < queue_counters; i++) { 1630 stats->qprc[i].ev_count += IXGBE_READ_REG(hw, IXGBE_QPRC(i)); 1631 stats->qptc[i].ev_count += IXGBE_READ_REG(hw, IXGBE_QPTC(i)); 1632 if (hw->mac.type >= ixgbe_mac_82599EB) { 1633 stats->qprdc[i].ev_count 1634 += IXGBE_READ_REG(hw, IXGBE_QPRDC(i)); 1635 } 1636 } 1637 1638 /* 8 registers exist */ 1639 for (i = 0; i < IXGBE_TC_COUNTER_NUM; i++) { 1640 uint32_t mp; 1641 1642 /* MPC */ 1643 mp = IXGBE_READ_REG(hw, IXGBE_MPC(i)); 1644 /* global total per queue */ 1645 stats->mpc[i].ev_count += mp; 1646 /* running comprehensive total for stats display */ 1647 total_missed_rx += mp; 1648 1649 if (hw->mac.type == ixgbe_mac_82598EB) 1650 stats->rnbc[i].ev_count 1651 += IXGBE_READ_REG(hw, IXGBE_RNBC(i)); 1652 1653 stats->pxontxc[i].ev_count 1654 += IXGBE_READ_REG(hw, IXGBE_PXONTXC(i)); 1655 stats->pxofftxc[i].ev_count 1656 += IXGBE_READ_REG(hw, IXGBE_PXOFFTXC(i)); 1657 if (hw->mac.type >= ixgbe_mac_82599EB) { 1658 stats->pxonrxc[i].ev_count 1659 += IXGBE_READ_REG(hw, IXGBE_PXONRXCNT(i)); 1660 stats->pxoffrxc[i].ev_count 1661 += IXGBE_READ_REG(hw, IXGBE_PXOFFRXCNT(i)); 1662 stats->pxon2offc[i].ev_count 1663 += IXGBE_READ_REG(hw, IXGBE_PXON2OFFCNT(i)); 1664 } else { 1665 stats->pxonrxc[i].ev_count 1666 += IXGBE_READ_REG(hw, IXGBE_PXONRXC(i)); 1667 stats->pxoffrxc[i].ev_count 1668 += IXGBE_READ_REG(hw, IXGBE_PXOFFRXC(i)); 1669 } 1670 } 1671 stats->mpctotal.ev_count += total_missed_rx; 1672 1673 /* Document says M[LR]FC are valid when link is up and 10Gbps */ 1674 if ((adapter->link_active == LINK_STATE_UP) 1675 && (adapter->link_speed == IXGBE_LINK_SPEED_10GB_FULL)) { 1676 stats->mlfc.ev_count += IXGBE_READ_REG(hw, IXGBE_MLFC); 1677 stats->mrfc.ev_count += IXGBE_READ_REG(hw, IXGBE_MRFC); 1678 } 1679 rlec = IXGBE_READ_REG(hw, IXGBE_RLEC); 1680 stats->rlec.ev_count += rlec; 1681 1682 /* Hardware workaround, gprc counts missed packets */ 1683 stats->gprc.ev_count += IXGBE_READ_REG(hw, IXGBE_GPRC) - missed_rx; 1684 1685 lxon = IXGBE_READ_REG(hw, IXGBE_LXONTXC); 1686 stats->lxontxc.ev_count += lxon; 1687 lxoff = IXGBE_READ_REG(hw, IXGBE_LXOFFTXC); 1688 stats->lxofftxc.ev_count += lxoff; 1689 total = lxon + lxoff; 1690 1691 if (hw->mac.type != ixgbe_mac_82598EB) { 1692 stats->gorc.ev_count += IXGBE_READ_REG(hw, IXGBE_GORCL) + 1693 ((u64)IXGBE_READ_REG(hw, IXGBE_GORCH) << 32); 1694 stats->gotc.ev_count += IXGBE_READ_REG(hw, IXGBE_GOTCL) + 1695 ((u64)IXGBE_READ_REG(hw, IXGBE_GOTCH) << 32) - total * ETHER_MIN_LEN; 1696 stats->tor.ev_count += IXGBE_READ_REG(hw, IXGBE_TORL) + 1697 ((u64)IXGBE_READ_REG(hw, IXGBE_TORH) << 32); 1698 stats->lxonrxc.ev_count += IXGBE_READ_REG(hw, IXGBE_LXONRXCNT); 1699 stats->lxoffrxc.ev_count += IXGBE_READ_REG(hw, IXGBE_LXOFFRXCNT); 1700 } else { 1701 stats->lxonrxc.ev_count += IXGBE_READ_REG(hw, IXGBE_LXONRXC); 1702 stats->lxoffrxc.ev_count += IXGBE_READ_REG(hw, IXGBE_LXOFFRXC); 1703 /* 82598 only has a counter in the high register */ 1704 stats->gorc.ev_count += IXGBE_READ_REG(hw, IXGBE_GORCH); 1705 stats->gotc.ev_count += IXGBE_READ_REG(hw, IXGBE_GOTCH) - total * ETHER_MIN_LEN; 1706 stats->tor.ev_count += IXGBE_READ_REG(hw, IXGBE_TORH); 1707 } 1708 1709 /* 1710 * Workaround: mprc hardware is incorrectly counting 1711 * broadcasts, so for now we subtract those. 1712 */ 1713 bprc = IXGBE_READ_REG(hw, IXGBE_BPRC); 1714 stats->bprc.ev_count += bprc; 1715 stats->mprc.ev_count += IXGBE_READ_REG(hw, IXGBE_MPRC) 1716 - ((hw->mac.type == ixgbe_mac_82598EB) ? bprc : 0); 1717 1718 stats->prc64.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC64); 1719 stats->prc127.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC127); 1720 stats->prc255.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC255); 1721 stats->prc511.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC511); 1722 stats->prc1023.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC1023); 1723 stats->prc1522.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC1522); 1724 1725 stats->gptc.ev_count += IXGBE_READ_REG(hw, IXGBE_GPTC) - total; 1726 stats->mptc.ev_count += IXGBE_READ_REG(hw, IXGBE_MPTC) - total; 1727 stats->ptc64.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC64) - total; 1728 1729 stats->ruc.ev_count += IXGBE_READ_REG(hw, IXGBE_RUC); 1730 stats->rfc.ev_count += IXGBE_READ_REG(hw, IXGBE_RFC); 1731 stats->roc.ev_count += IXGBE_READ_REG(hw, IXGBE_ROC); 1732 stats->rjc.ev_count += IXGBE_READ_REG(hw, IXGBE_RJC); 1733 stats->mngprc.ev_count += IXGBE_READ_REG(hw, IXGBE_MNGPRC); 1734 stats->mngpdc.ev_count += IXGBE_READ_REG(hw, IXGBE_MNGPDC); 1735 stats->mngptc.ev_count += IXGBE_READ_REG(hw, IXGBE_MNGPTC); 1736 stats->tpr.ev_count += IXGBE_READ_REG(hw, IXGBE_TPR); 1737 stats->tpt.ev_count += IXGBE_READ_REG(hw, IXGBE_TPT); 1738 stats->ptc127.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC127); 1739 stats->ptc255.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC255); 1740 stats->ptc511.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC511); 1741 stats->ptc1023.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC1023); 1742 stats->ptc1522.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC1522); 1743 stats->bptc.ev_count += IXGBE_READ_REG(hw, IXGBE_BPTC); 1744 stats->xec.ev_count += IXGBE_READ_REG(hw, IXGBE_XEC); 1745 stats->fccrc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCCRC); 1746 stats->fclast.ev_count += IXGBE_READ_REG(hw, IXGBE_FCLAST); 1747 /* Only read FCOE on 82599 */ 1748 if (hw->mac.type != ixgbe_mac_82598EB) { 1749 stats->fcoerpdc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOERPDC); 1750 stats->fcoeprc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOEPRC); 1751 stats->fcoeptc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOEPTC); 1752 stats->fcoedwrc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOEDWRC); 1753 stats->fcoedwtc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOEDWTC); 1754 } 1755 1756 /* 1757 * Fill out the OS statistics structure. Only RX errors are required 1758 * here because all TX counters are incremented in the TX path and 1759 * normal RX counters are prepared in ether_input(). 1760 */ 1761 net_stat_ref_t nsr = IF_STAT_GETREF(ifp); 1762 if_statadd_ref(nsr, if_iqdrops, total_missed_rx); 1763 if_statadd_ref(nsr, if_ierrors, crcerrs + rlec); 1764 IF_STAT_PUTREF(ifp); 1765 } /* ixgbe_update_stats_counters */ 1766 1767 /************************************************************************ 1768 * ixgbe_add_hw_stats 1769 * 1770 * Add sysctl variables, one per statistic, to the system. 1771 ************************************************************************/ 1772 static void 1773 ixgbe_add_hw_stats(struct adapter *adapter) 1774 { 1775 device_t dev = adapter->dev; 1776 const struct sysctlnode *rnode, *cnode; 1777 struct sysctllog **log = &adapter->sysctllog; 1778 struct tx_ring *txr = adapter->tx_rings; 1779 struct rx_ring *rxr = adapter->rx_rings; 1780 struct ixgbe_hw *hw = &adapter->hw; 1781 struct ixgbe_hw_stats *stats = &adapter->stats.pf; 1782 const char *xname = device_xname(dev); 1783 int i; 1784 1785 /* Driver Statistics */ 1786 evcnt_attach_dynamic(&adapter->efbig_tx_dma_setup, EVCNT_TYPE_MISC, 1787 NULL, xname, "Driver tx dma soft fail EFBIG"); 1788 evcnt_attach_dynamic(&adapter->mbuf_defrag_failed, EVCNT_TYPE_MISC, 1789 NULL, xname, "m_defrag() failed"); 1790 evcnt_attach_dynamic(&adapter->efbig2_tx_dma_setup, EVCNT_TYPE_MISC, 1791 NULL, xname, "Driver tx dma hard fail EFBIG"); 1792 evcnt_attach_dynamic(&adapter->einval_tx_dma_setup, EVCNT_TYPE_MISC, 1793 NULL, xname, "Driver tx dma hard fail EINVAL"); 1794 evcnt_attach_dynamic(&adapter->other_tx_dma_setup, EVCNT_TYPE_MISC, 1795 NULL, xname, "Driver tx dma hard fail other"); 1796 evcnt_attach_dynamic(&adapter->eagain_tx_dma_setup, EVCNT_TYPE_MISC, 1797 NULL, xname, "Driver tx dma soft fail EAGAIN"); 1798 evcnt_attach_dynamic(&adapter->enomem_tx_dma_setup, EVCNT_TYPE_MISC, 1799 NULL, xname, "Driver tx dma soft fail ENOMEM"); 1800 evcnt_attach_dynamic(&adapter->watchdog_events, EVCNT_TYPE_MISC, 1801 NULL, xname, "Watchdog timeouts"); 1802 evcnt_attach_dynamic(&adapter->tso_err, EVCNT_TYPE_MISC, 1803 NULL, xname, "TSO errors"); 1804 evcnt_attach_dynamic(&adapter->admin_irqev, EVCNT_TYPE_INTR, 1805 NULL, xname, "Admin MSI-X IRQ Handled"); 1806 evcnt_attach_dynamic(&adapter->link_workev, EVCNT_TYPE_INTR, 1807 NULL, xname, "Link event"); 1808 evcnt_attach_dynamic(&adapter->mod_workev, EVCNT_TYPE_INTR, 1809 NULL, xname, "SFP+ module event"); 1810 evcnt_attach_dynamic(&adapter->msf_workev, EVCNT_TYPE_INTR, 1811 NULL, xname, "Multispeed event"); 1812 evcnt_attach_dynamic(&adapter->phy_workev, EVCNT_TYPE_INTR, 1813 NULL, xname, "External PHY event"); 1814 1815 /* Max number of traffic class is 8 */ 1816 KASSERT(IXGBE_DCB_MAX_TRAFFIC_CLASS == 8); 1817 for (i = 0; i < IXGBE_TC_COUNTER_NUM; i++) { 1818 snprintf(adapter->tcs[i].evnamebuf, 1819 sizeof(adapter->tcs[i].evnamebuf), "%s tc%d", 1820 xname, i); 1821 if (i < __arraycount(stats->mpc)) { 1822 evcnt_attach_dynamic(&stats->mpc[i], 1823 EVCNT_TYPE_MISC, NULL, adapter->tcs[i].evnamebuf, 1824 "RX Missed Packet Count"); 1825 if (hw->mac.type == ixgbe_mac_82598EB) 1826 evcnt_attach_dynamic(&stats->rnbc[i], 1827 EVCNT_TYPE_MISC, NULL, 1828 adapter->tcs[i].evnamebuf, 1829 "Receive No Buffers"); 1830 } 1831 if (i < __arraycount(stats->pxontxc)) { 1832 evcnt_attach_dynamic(&stats->pxontxc[i], 1833 EVCNT_TYPE_MISC, NULL, adapter->tcs[i].evnamebuf, 1834 "pxontxc"); 1835 evcnt_attach_dynamic(&stats->pxonrxc[i], 1836 EVCNT_TYPE_MISC, NULL, adapter->tcs[i].evnamebuf, 1837 "pxonrxc"); 1838 evcnt_attach_dynamic(&stats->pxofftxc[i], 1839 EVCNT_TYPE_MISC, NULL, adapter->tcs[i].evnamebuf, 1840 "pxofftxc"); 1841 evcnt_attach_dynamic(&stats->pxoffrxc[i], 1842 EVCNT_TYPE_MISC, NULL, adapter->tcs[i].evnamebuf, 1843 "pxoffrxc"); 1844 if (hw->mac.type >= ixgbe_mac_82599EB) 1845 evcnt_attach_dynamic(&stats->pxon2offc[i], 1846 EVCNT_TYPE_MISC, NULL, 1847 adapter->tcs[i].evnamebuf, 1848 "pxon2offc"); 1849 } 1850 } 1851 1852 for (i = 0; i < adapter->num_queues; i++, rxr++, txr++) { 1853 #ifdef LRO 1854 struct lro_ctrl *lro = &rxr->lro; 1855 #endif /* LRO */ 1856 1857 snprintf(adapter->queues[i].evnamebuf, 1858 sizeof(adapter->queues[i].evnamebuf), "%s q%d", 1859 xname, i); 1860 snprintf(adapter->queues[i].namebuf, 1861 sizeof(adapter->queues[i].namebuf), "q%d", i); 1862 1863 if ((rnode = ixgbe_sysctl_instance(adapter)) == NULL) { 1864 aprint_error_dev(dev, "could not create sysctl root\n"); 1865 break; 1866 } 1867 1868 if (sysctl_createv(log, 0, &rnode, &rnode, 1869 0, CTLTYPE_NODE, 1870 adapter->queues[i].namebuf, SYSCTL_DESCR("Queue Name"), 1871 NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL) != 0) 1872 break; 1873 1874 if (sysctl_createv(log, 0, &rnode, &cnode, 1875 CTLFLAG_READWRITE, CTLTYPE_INT, 1876 "interrupt_rate", SYSCTL_DESCR("Interrupt Rate"), 1877 ixgbe_sysctl_interrupt_rate_handler, 0, 1878 (void *)&adapter->queues[i], 0, CTL_CREATE, CTL_EOL) != 0) 1879 break; 1880 1881 if (sysctl_createv(log, 0, &rnode, &cnode, 1882 CTLFLAG_READONLY, CTLTYPE_INT, 1883 "txd_head", SYSCTL_DESCR("Transmit Descriptor Head"), 1884 ixgbe_sysctl_tdh_handler, 0, (void *)txr, 1885 0, CTL_CREATE, CTL_EOL) != 0) 1886 break; 1887 1888 if (sysctl_createv(log, 0, &rnode, &cnode, 1889 CTLFLAG_READONLY, CTLTYPE_INT, 1890 "txd_tail", SYSCTL_DESCR("Transmit Descriptor Tail"), 1891 ixgbe_sysctl_tdt_handler, 0, (void *)txr, 1892 0, CTL_CREATE, CTL_EOL) != 0) 1893 break; 1894 1895 evcnt_attach_dynamic(&adapter->queues[i].irqs, EVCNT_TYPE_INTR, 1896 NULL, adapter->queues[i].evnamebuf, "IRQs on queue"); 1897 evcnt_attach_dynamic(&adapter->queues[i].handleq, 1898 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1899 "Handled queue in softint"); 1900 evcnt_attach_dynamic(&adapter->queues[i].req, EVCNT_TYPE_MISC, 1901 NULL, adapter->queues[i].evnamebuf, "Requeued in softint"); 1902 evcnt_attach_dynamic(&txr->tso_tx, EVCNT_TYPE_MISC, 1903 NULL, adapter->queues[i].evnamebuf, "TSO"); 1904 evcnt_attach_dynamic(&txr->no_desc_avail, EVCNT_TYPE_MISC, 1905 NULL, adapter->queues[i].evnamebuf, 1906 "Queue No Descriptor Available"); 1907 evcnt_attach_dynamic(&txr->total_packets, EVCNT_TYPE_MISC, 1908 NULL, adapter->queues[i].evnamebuf, 1909 "Queue Packets Transmitted"); 1910 #ifndef IXGBE_LEGACY_TX 1911 evcnt_attach_dynamic(&txr->pcq_drops, EVCNT_TYPE_MISC, 1912 NULL, adapter->queues[i].evnamebuf, 1913 "Packets dropped in pcq"); 1914 #endif 1915 1916 if (sysctl_createv(log, 0, &rnode, &cnode, 1917 CTLFLAG_READONLY, 1918 CTLTYPE_INT, 1919 "rxd_nxck", SYSCTL_DESCR("Receive Descriptor next to check"), 1920 ixgbe_sysctl_next_to_check_handler, 0, (void *)rxr, 0, 1921 CTL_CREATE, CTL_EOL) != 0) 1922 break; 1923 1924 if (sysctl_createv(log, 0, &rnode, &cnode, 1925 CTLFLAG_READONLY, 1926 CTLTYPE_INT, 1927 "rxd_head", SYSCTL_DESCR("Receive Descriptor Head"), 1928 ixgbe_sysctl_rdh_handler, 0, (void *)rxr, 0, 1929 CTL_CREATE, CTL_EOL) != 0) 1930 break; 1931 1932 if (sysctl_createv(log, 0, &rnode, &cnode, 1933 CTLFLAG_READONLY, 1934 CTLTYPE_INT, 1935 "rxd_tail", SYSCTL_DESCR("Receive Descriptor Tail"), 1936 ixgbe_sysctl_rdt_handler, 0, (void *)rxr, 0, 1937 CTL_CREATE, CTL_EOL) != 0) 1938 break; 1939 1940 if (i < __arraycount(stats->qprc)) { 1941 evcnt_attach_dynamic(&stats->qprc[i], 1942 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1943 "qprc"); 1944 evcnt_attach_dynamic(&stats->qptc[i], 1945 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1946 "qptc"); 1947 evcnt_attach_dynamic(&stats->qbrc[i], 1948 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1949 "qbrc"); 1950 evcnt_attach_dynamic(&stats->qbtc[i], 1951 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1952 "qbtc"); 1953 if (hw->mac.type >= ixgbe_mac_82599EB) 1954 evcnt_attach_dynamic(&stats->qprdc[i], 1955 EVCNT_TYPE_MISC, NULL, 1956 adapter->queues[i].evnamebuf, "qprdc"); 1957 } 1958 1959 evcnt_attach_dynamic(&rxr->rx_packets, EVCNT_TYPE_MISC, 1960 NULL, adapter->queues[i].evnamebuf, "Queue Packets Received"); 1961 evcnt_attach_dynamic(&rxr->rx_bytes, EVCNT_TYPE_MISC, 1962 NULL, adapter->queues[i].evnamebuf, "Queue Bytes Received"); 1963 evcnt_attach_dynamic(&rxr->rx_copies, EVCNT_TYPE_MISC, 1964 NULL, adapter->queues[i].evnamebuf, "Copied RX Frames"); 1965 evcnt_attach_dynamic(&rxr->no_jmbuf, EVCNT_TYPE_MISC, 1966 NULL, adapter->queues[i].evnamebuf, "Rx no jumbo mbuf"); 1967 evcnt_attach_dynamic(&rxr->rx_discarded, EVCNT_TYPE_MISC, 1968 NULL, adapter->queues[i].evnamebuf, "Rx discarded"); 1969 #ifdef LRO 1970 SYSCTL_ADD_INT(ctx, queue_list, OID_AUTO, "lro_queued", 1971 CTLFLAG_RD, &lro->lro_queued, 0, 1972 "LRO Queued"); 1973 SYSCTL_ADD_INT(ctx, queue_list, OID_AUTO, "lro_flushed", 1974 CTLFLAG_RD, &lro->lro_flushed, 0, 1975 "LRO Flushed"); 1976 #endif /* LRO */ 1977 } 1978 1979 /* MAC stats get their own sub node */ 1980 1981 snprintf(stats->namebuf, 1982 sizeof(stats->namebuf), "%s MAC Statistics", xname); 1983 1984 evcnt_attach_dynamic(&stats->ipcs, EVCNT_TYPE_MISC, NULL, 1985 stats->namebuf, "rx csum offload - IP"); 1986 evcnt_attach_dynamic(&stats->l4cs, EVCNT_TYPE_MISC, NULL, 1987 stats->namebuf, "rx csum offload - L4"); 1988 evcnt_attach_dynamic(&stats->ipcs_bad, EVCNT_TYPE_MISC, NULL, 1989 stats->namebuf, "rx csum offload - IP bad"); 1990 evcnt_attach_dynamic(&stats->l4cs_bad, EVCNT_TYPE_MISC, NULL, 1991 stats->namebuf, "rx csum offload - L4 bad"); 1992 evcnt_attach_dynamic(&stats->intzero, EVCNT_TYPE_MISC, NULL, 1993 stats->namebuf, "Interrupt conditions zero"); 1994 evcnt_attach_dynamic(&stats->legint, EVCNT_TYPE_MISC, NULL, 1995 stats->namebuf, "Legacy interrupts"); 1996 1997 evcnt_attach_dynamic(&stats->crcerrs, EVCNT_TYPE_MISC, NULL, 1998 stats->namebuf, "CRC Errors"); 1999 evcnt_attach_dynamic(&stats->illerrc, EVCNT_TYPE_MISC, NULL, 2000 stats->namebuf, "Illegal Byte Errors"); 2001 evcnt_attach_dynamic(&stats->errbc, EVCNT_TYPE_MISC, NULL, 2002 stats->namebuf, "Byte Errors"); 2003 evcnt_attach_dynamic(&stats->mspdc, EVCNT_TYPE_MISC, NULL, 2004 stats->namebuf, "MAC Short Packets Discarded"); 2005 if (hw->mac.type >= ixgbe_mac_X550) 2006 evcnt_attach_dynamic(&stats->mbsdc, EVCNT_TYPE_MISC, NULL, 2007 stats->namebuf, "Bad SFD"); 2008 evcnt_attach_dynamic(&stats->mpctotal, EVCNT_TYPE_MISC, NULL, 2009 stats->namebuf, "Total Packets Missed"); 2010 evcnt_attach_dynamic(&stats->mlfc, EVCNT_TYPE_MISC, NULL, 2011 stats->namebuf, "MAC Local Faults"); 2012 evcnt_attach_dynamic(&stats->mrfc, EVCNT_TYPE_MISC, NULL, 2013 stats->namebuf, "MAC Remote Faults"); 2014 evcnt_attach_dynamic(&stats->rlec, EVCNT_TYPE_MISC, NULL, 2015 stats->namebuf, "Receive Length Errors"); 2016 evcnt_attach_dynamic(&stats->lxontxc, EVCNT_TYPE_MISC, NULL, 2017 stats->namebuf, "Link XON Transmitted"); 2018 evcnt_attach_dynamic(&stats->lxonrxc, EVCNT_TYPE_MISC, NULL, 2019 stats->namebuf, "Link XON Received"); 2020 evcnt_attach_dynamic(&stats->lxofftxc, EVCNT_TYPE_MISC, NULL, 2021 stats->namebuf, "Link XOFF Transmitted"); 2022 evcnt_attach_dynamic(&stats->lxoffrxc, EVCNT_TYPE_MISC, NULL, 2023 stats->namebuf, "Link XOFF Received"); 2024 2025 /* Packet Reception Stats */ 2026 evcnt_attach_dynamic(&stats->tor, EVCNT_TYPE_MISC, NULL, 2027 stats->namebuf, "Total Octets Received"); 2028 evcnt_attach_dynamic(&stats->gorc, EVCNT_TYPE_MISC, NULL, 2029 stats->namebuf, "Good Octets Received"); 2030 evcnt_attach_dynamic(&stats->tpr, EVCNT_TYPE_MISC, NULL, 2031 stats->namebuf, "Total Packets Received"); 2032 evcnt_attach_dynamic(&stats->gprc, EVCNT_TYPE_MISC, NULL, 2033 stats->namebuf, "Good Packets Received"); 2034 evcnt_attach_dynamic(&stats->mprc, EVCNT_TYPE_MISC, NULL, 2035 stats->namebuf, "Multicast Packets Received"); 2036 evcnt_attach_dynamic(&stats->bprc, EVCNT_TYPE_MISC, NULL, 2037 stats->namebuf, "Broadcast Packets Received"); 2038 evcnt_attach_dynamic(&stats->prc64, EVCNT_TYPE_MISC, NULL, 2039 stats->namebuf, "64 byte frames received "); 2040 evcnt_attach_dynamic(&stats->prc127, EVCNT_TYPE_MISC, NULL, 2041 stats->namebuf, "65-127 byte frames received"); 2042 evcnt_attach_dynamic(&stats->prc255, EVCNT_TYPE_MISC, NULL, 2043 stats->namebuf, "128-255 byte frames received"); 2044 evcnt_attach_dynamic(&stats->prc511, EVCNT_TYPE_MISC, NULL, 2045 stats->namebuf, "256-511 byte frames received"); 2046 evcnt_attach_dynamic(&stats->prc1023, EVCNT_TYPE_MISC, NULL, 2047 stats->namebuf, "512-1023 byte frames received"); 2048 evcnt_attach_dynamic(&stats->prc1522, EVCNT_TYPE_MISC, NULL, 2049 stats->namebuf, "1023-1522 byte frames received"); 2050 evcnt_attach_dynamic(&stats->ruc, EVCNT_TYPE_MISC, NULL, 2051 stats->namebuf, "Receive Undersized"); 2052 evcnt_attach_dynamic(&stats->rfc, EVCNT_TYPE_MISC, NULL, 2053 stats->namebuf, "Fragmented Packets Received "); 2054 evcnt_attach_dynamic(&stats->roc, EVCNT_TYPE_MISC, NULL, 2055 stats->namebuf, "Oversized Packets Received"); 2056 evcnt_attach_dynamic(&stats->rjc, EVCNT_TYPE_MISC, NULL, 2057 stats->namebuf, "Received Jabber"); 2058 evcnt_attach_dynamic(&stats->mngprc, EVCNT_TYPE_MISC, NULL, 2059 stats->namebuf, "Management Packets Received"); 2060 evcnt_attach_dynamic(&stats->mngpdc, EVCNT_TYPE_MISC, NULL, 2061 stats->namebuf, "Management Packets Dropped"); 2062 evcnt_attach_dynamic(&stats->xec, EVCNT_TYPE_MISC, NULL, 2063 stats->namebuf, "Checksum Errors"); 2064 2065 /* Packet Transmission Stats */ 2066 evcnt_attach_dynamic(&stats->gotc, EVCNT_TYPE_MISC, NULL, 2067 stats->namebuf, "Good Octets Transmitted"); 2068 evcnt_attach_dynamic(&stats->tpt, EVCNT_TYPE_MISC, NULL, 2069 stats->namebuf, "Total Packets Transmitted"); 2070 evcnt_attach_dynamic(&stats->gptc, EVCNT_TYPE_MISC, NULL, 2071 stats->namebuf, "Good Packets Transmitted"); 2072 evcnt_attach_dynamic(&stats->bptc, EVCNT_TYPE_MISC, NULL, 2073 stats->namebuf, "Broadcast Packets Transmitted"); 2074 evcnt_attach_dynamic(&stats->mptc, EVCNT_TYPE_MISC, NULL, 2075 stats->namebuf, "Multicast Packets Transmitted"); 2076 evcnt_attach_dynamic(&stats->mngptc, EVCNT_TYPE_MISC, NULL, 2077 stats->namebuf, "Management Packets Transmitted"); 2078 evcnt_attach_dynamic(&stats->ptc64, EVCNT_TYPE_MISC, NULL, 2079 stats->namebuf, "64 byte frames transmitted "); 2080 evcnt_attach_dynamic(&stats->ptc127, EVCNT_TYPE_MISC, NULL, 2081 stats->namebuf, "65-127 byte frames transmitted"); 2082 evcnt_attach_dynamic(&stats->ptc255, EVCNT_TYPE_MISC, NULL, 2083 stats->namebuf, "128-255 byte frames transmitted"); 2084 evcnt_attach_dynamic(&stats->ptc511, EVCNT_TYPE_MISC, NULL, 2085 stats->namebuf, "256-511 byte frames transmitted"); 2086 evcnt_attach_dynamic(&stats->ptc1023, EVCNT_TYPE_MISC, NULL, 2087 stats->namebuf, "512-1023 byte frames transmitted"); 2088 evcnt_attach_dynamic(&stats->ptc1522, EVCNT_TYPE_MISC, NULL, 2089 stats->namebuf, "1024-1522 byte frames transmitted"); 2090 } /* ixgbe_add_hw_stats */ 2091 2092 static void 2093 ixgbe_clear_evcnt(struct adapter *adapter) 2094 { 2095 struct tx_ring *txr = adapter->tx_rings; 2096 struct rx_ring *rxr = adapter->rx_rings; 2097 struct ixgbe_hw *hw = &adapter->hw; 2098 struct ixgbe_hw_stats *stats = &adapter->stats.pf; 2099 int i; 2100 2101 adapter->efbig_tx_dma_setup.ev_count = 0; 2102 adapter->mbuf_defrag_failed.ev_count = 0; 2103 adapter->efbig2_tx_dma_setup.ev_count = 0; 2104 adapter->einval_tx_dma_setup.ev_count = 0; 2105 adapter->other_tx_dma_setup.ev_count = 0; 2106 adapter->eagain_tx_dma_setup.ev_count = 0; 2107 adapter->enomem_tx_dma_setup.ev_count = 0; 2108 adapter->tso_err.ev_count = 0; 2109 adapter->watchdog_events.ev_count = 0; 2110 adapter->admin_irqev.ev_count = 0; 2111 adapter->link_workev.ev_count = 0; 2112 adapter->mod_workev.ev_count = 0; 2113 adapter->msf_workev.ev_count = 0; 2114 adapter->phy_workev.ev_count = 0; 2115 2116 for (i = 0; i < IXGBE_TC_COUNTER_NUM; i++) { 2117 if (i < __arraycount(stats->mpc)) { 2118 stats->mpc[i].ev_count = 0; 2119 if (hw->mac.type == ixgbe_mac_82598EB) 2120 stats->rnbc[i].ev_count = 0; 2121 } 2122 if (i < __arraycount(stats->pxontxc)) { 2123 stats->pxontxc[i].ev_count = 0; 2124 stats->pxonrxc[i].ev_count = 0; 2125 stats->pxofftxc[i].ev_count = 0; 2126 stats->pxoffrxc[i].ev_count = 0; 2127 if (hw->mac.type >= ixgbe_mac_82599EB) 2128 stats->pxon2offc[i].ev_count = 0; 2129 } 2130 } 2131 2132 txr = adapter->tx_rings; 2133 for (i = 0; i < adapter->num_queues; i++, rxr++, txr++) { 2134 adapter->queues[i].irqs.ev_count = 0; 2135 adapter->queues[i].handleq.ev_count = 0; 2136 adapter->queues[i].req.ev_count = 0; 2137 txr->no_desc_avail.ev_count = 0; 2138 txr->total_packets.ev_count = 0; 2139 txr->tso_tx.ev_count = 0; 2140 #ifndef IXGBE_LEGACY_TX 2141 txr->pcq_drops.ev_count = 0; 2142 #endif 2143 txr->q_efbig_tx_dma_setup = 0; 2144 txr->q_mbuf_defrag_failed = 0; 2145 txr->q_efbig2_tx_dma_setup = 0; 2146 txr->q_einval_tx_dma_setup = 0; 2147 txr->q_other_tx_dma_setup = 0; 2148 txr->q_eagain_tx_dma_setup = 0; 2149 txr->q_enomem_tx_dma_setup = 0; 2150 txr->q_tso_err = 0; 2151 2152 if (i < __arraycount(stats->qprc)) { 2153 stats->qprc[i].ev_count = 0; 2154 stats->qptc[i].ev_count = 0; 2155 stats->qbrc[i].ev_count = 0; 2156 stats->qbtc[i].ev_count = 0; 2157 if (hw->mac.type >= ixgbe_mac_82599EB) 2158 stats->qprdc[i].ev_count = 0; 2159 } 2160 2161 rxr->rx_packets.ev_count = 0; 2162 rxr->rx_bytes.ev_count = 0; 2163 rxr->rx_copies.ev_count = 0; 2164 rxr->no_jmbuf.ev_count = 0; 2165 rxr->rx_discarded.ev_count = 0; 2166 } 2167 stats->ipcs.ev_count = 0; 2168 stats->l4cs.ev_count = 0; 2169 stats->ipcs_bad.ev_count = 0; 2170 stats->l4cs_bad.ev_count = 0; 2171 stats->intzero.ev_count = 0; 2172 stats->legint.ev_count = 0; 2173 stats->crcerrs.ev_count = 0; 2174 stats->illerrc.ev_count = 0; 2175 stats->errbc.ev_count = 0; 2176 stats->mspdc.ev_count = 0; 2177 if (hw->mac.type >= ixgbe_mac_X550) 2178 stats->mbsdc.ev_count = 0; 2179 stats->mpctotal.ev_count = 0; 2180 stats->mlfc.ev_count = 0; 2181 stats->mrfc.ev_count = 0; 2182 stats->rlec.ev_count = 0; 2183 stats->lxontxc.ev_count = 0; 2184 stats->lxonrxc.ev_count = 0; 2185 stats->lxofftxc.ev_count = 0; 2186 stats->lxoffrxc.ev_count = 0; 2187 2188 /* Packet Reception Stats */ 2189 stats->tor.ev_count = 0; 2190 stats->gorc.ev_count = 0; 2191 stats->tpr.ev_count = 0; 2192 stats->gprc.ev_count = 0; 2193 stats->mprc.ev_count = 0; 2194 stats->bprc.ev_count = 0; 2195 stats->prc64.ev_count = 0; 2196 stats->prc127.ev_count = 0; 2197 stats->prc255.ev_count = 0; 2198 stats->prc511.ev_count = 0; 2199 stats->prc1023.ev_count = 0; 2200 stats->prc1522.ev_count = 0; 2201 stats->ruc.ev_count = 0; 2202 stats->rfc.ev_count = 0; 2203 stats->roc.ev_count = 0; 2204 stats->rjc.ev_count = 0; 2205 stats->mngprc.ev_count = 0; 2206 stats->mngpdc.ev_count = 0; 2207 stats->xec.ev_count = 0; 2208 2209 /* Packet Transmission Stats */ 2210 stats->gotc.ev_count = 0; 2211 stats->tpt.ev_count = 0; 2212 stats->gptc.ev_count = 0; 2213 stats->bptc.ev_count = 0; 2214 stats->mptc.ev_count = 0; 2215 stats->mngptc.ev_count = 0; 2216 stats->ptc64.ev_count = 0; 2217 stats->ptc127.ev_count = 0; 2218 stats->ptc255.ev_count = 0; 2219 stats->ptc511.ev_count = 0; 2220 stats->ptc1023.ev_count = 0; 2221 stats->ptc1522.ev_count = 0; 2222 } 2223 2224 /************************************************************************ 2225 * ixgbe_sysctl_tdh_handler - Transmit Descriptor Head handler function 2226 * 2227 * Retrieves the TDH value from the hardware 2228 ************************************************************************/ 2229 static int 2230 ixgbe_sysctl_tdh_handler(SYSCTLFN_ARGS) 2231 { 2232 struct sysctlnode node = *rnode; 2233 struct tx_ring *txr = (struct tx_ring *)node.sysctl_data; 2234 struct adapter *adapter; 2235 uint32_t val; 2236 2237 if (!txr) 2238 return (0); 2239 2240 adapter = txr->adapter; 2241 if (ixgbe_fw_recovery_mode_swflag(adapter)) 2242 return (EPERM); 2243 2244 val = IXGBE_READ_REG(&adapter->hw, IXGBE_TDH(txr->me)); 2245 node.sysctl_data = &val; 2246 return sysctl_lookup(SYSCTLFN_CALL(&node)); 2247 } /* ixgbe_sysctl_tdh_handler */ 2248 2249 /************************************************************************ 2250 * ixgbe_sysctl_tdt_handler - Transmit Descriptor Tail handler function 2251 * 2252 * Retrieves the TDT value from the hardware 2253 ************************************************************************/ 2254 static int 2255 ixgbe_sysctl_tdt_handler(SYSCTLFN_ARGS) 2256 { 2257 struct sysctlnode node = *rnode; 2258 struct tx_ring *txr = (struct tx_ring *)node.sysctl_data; 2259 struct adapter *adapter; 2260 uint32_t val; 2261 2262 if (!txr) 2263 return (0); 2264 2265 adapter = txr->adapter; 2266 if (ixgbe_fw_recovery_mode_swflag(adapter)) 2267 return (EPERM); 2268 2269 val = IXGBE_READ_REG(&adapter->hw, IXGBE_TDT(txr->me)); 2270 node.sysctl_data = &val; 2271 return sysctl_lookup(SYSCTLFN_CALL(&node)); 2272 } /* ixgbe_sysctl_tdt_handler */ 2273 2274 /************************************************************************ 2275 * ixgbe_sysctl_next_to_check_handler - Receive Descriptor next to check 2276 * handler function 2277 * 2278 * Retrieves the next_to_check value 2279 ************************************************************************/ 2280 static int 2281 ixgbe_sysctl_next_to_check_handler(SYSCTLFN_ARGS) 2282 { 2283 struct sysctlnode node = *rnode; 2284 struct rx_ring *rxr = (struct rx_ring *)node.sysctl_data; 2285 struct adapter *adapter; 2286 uint32_t val; 2287 2288 if (!rxr) 2289 return (0); 2290 2291 adapter = rxr->adapter; 2292 if (ixgbe_fw_recovery_mode_swflag(adapter)) 2293 return (EPERM); 2294 2295 val = rxr->next_to_check; 2296 node.sysctl_data = &val; 2297 return sysctl_lookup(SYSCTLFN_CALL(&node)); 2298 } /* ixgbe_sysctl_next_to_check_handler */ 2299 2300 /************************************************************************ 2301 * ixgbe_sysctl_rdh_handler - Receive Descriptor Head handler function 2302 * 2303 * Retrieves the RDH value from the hardware 2304 ************************************************************************/ 2305 static int 2306 ixgbe_sysctl_rdh_handler(SYSCTLFN_ARGS) 2307 { 2308 struct sysctlnode node = *rnode; 2309 struct rx_ring *rxr = (struct rx_ring *)node.sysctl_data; 2310 struct adapter *adapter; 2311 uint32_t val; 2312 2313 if (!rxr) 2314 return (0); 2315 2316 adapter = rxr->adapter; 2317 if (ixgbe_fw_recovery_mode_swflag(adapter)) 2318 return (EPERM); 2319 2320 val = IXGBE_READ_REG(&adapter->hw, IXGBE_RDH(rxr->me)); 2321 node.sysctl_data = &val; 2322 return sysctl_lookup(SYSCTLFN_CALL(&node)); 2323 } /* ixgbe_sysctl_rdh_handler */ 2324 2325 /************************************************************************ 2326 * ixgbe_sysctl_rdt_handler - Receive Descriptor Tail handler function 2327 * 2328 * Retrieves the RDT value from the hardware 2329 ************************************************************************/ 2330 static int 2331 ixgbe_sysctl_rdt_handler(SYSCTLFN_ARGS) 2332 { 2333 struct sysctlnode node = *rnode; 2334 struct rx_ring *rxr = (struct rx_ring *)node.sysctl_data; 2335 struct adapter *adapter; 2336 uint32_t val; 2337 2338 if (!rxr) 2339 return (0); 2340 2341 adapter = rxr->adapter; 2342 if (ixgbe_fw_recovery_mode_swflag(adapter)) 2343 return (EPERM); 2344 2345 val = IXGBE_READ_REG(&adapter->hw, IXGBE_RDT(rxr->me)); 2346 node.sysctl_data = &val; 2347 return sysctl_lookup(SYSCTLFN_CALL(&node)); 2348 } /* ixgbe_sysctl_rdt_handler */ 2349 2350 static int 2351 ixgbe_vlan_cb(struct ethercom *ec, uint16_t vid, bool set) 2352 { 2353 struct ifnet *ifp = &ec->ec_if; 2354 struct adapter *adapter = ifp->if_softc; 2355 int rv; 2356 2357 if (set) 2358 rv = ixgbe_register_vlan(adapter, vid); 2359 else 2360 rv = ixgbe_unregister_vlan(adapter, vid); 2361 2362 if (rv != 0) 2363 return rv; 2364 2365 /* 2366 * Control VLAN HW tagging when ec_nvlan is changed from 1 to 0 2367 * or 0 to 1. 2368 */ 2369 if ((set && (ec->ec_nvlans == 1)) || (!set && (ec->ec_nvlans == 0))) 2370 ixgbe_setup_vlan_hw_tagging(adapter); 2371 2372 return rv; 2373 } 2374 2375 /************************************************************************ 2376 * ixgbe_register_vlan 2377 * 2378 * Run via vlan config EVENT, it enables us to use the 2379 * HW Filter table since we can get the vlan id. This 2380 * just creates the entry in the soft version of the 2381 * VFTA, init will repopulate the real table. 2382 ************************************************************************/ 2383 static int 2384 ixgbe_register_vlan(struct adapter *adapter, u16 vtag) 2385 { 2386 u16 index, bit; 2387 int error; 2388 2389 if ((vtag == 0) || (vtag > 4095)) /* Invalid */ 2390 return EINVAL; 2391 2392 IXGBE_CORE_LOCK(adapter); 2393 index = (vtag >> 5) & 0x7F; 2394 bit = vtag & 0x1F; 2395 adapter->shadow_vfta[index] |= ((u32)1 << bit); 2396 error = adapter->hw.mac.ops.set_vfta(&adapter->hw, vtag, 0, true, 2397 true); 2398 IXGBE_CORE_UNLOCK(adapter); 2399 if (error != 0) 2400 error = EACCES; 2401 2402 return error; 2403 } /* ixgbe_register_vlan */ 2404 2405 /************************************************************************ 2406 * ixgbe_unregister_vlan 2407 * 2408 * Run via vlan unconfig EVENT, remove our entry in the soft vfta. 2409 ************************************************************************/ 2410 static int 2411 ixgbe_unregister_vlan(struct adapter *adapter, u16 vtag) 2412 { 2413 u16 index, bit; 2414 int error; 2415 2416 if ((vtag == 0) || (vtag > 4095)) /* Invalid */ 2417 return EINVAL; 2418 2419 IXGBE_CORE_LOCK(adapter); 2420 index = (vtag >> 5) & 0x7F; 2421 bit = vtag & 0x1F; 2422 adapter->shadow_vfta[index] &= ~((u32)1 << bit); 2423 error = adapter->hw.mac.ops.set_vfta(&adapter->hw, vtag, 0, false, 2424 true); 2425 IXGBE_CORE_UNLOCK(adapter); 2426 if (error != 0) 2427 error = EACCES; 2428 2429 return error; 2430 } /* ixgbe_unregister_vlan */ 2431 2432 static void 2433 ixgbe_setup_vlan_hw_tagging(struct adapter *adapter) 2434 { 2435 struct ethercom *ec = &adapter->osdep.ec; 2436 struct ixgbe_hw *hw = &adapter->hw; 2437 struct rx_ring *rxr; 2438 u32 ctrl; 2439 int i; 2440 bool hwtagging; 2441 2442 /* Enable HW tagging only if any vlan is attached */ 2443 hwtagging = (ec->ec_capenable & ETHERCAP_VLAN_HWTAGGING) 2444 && VLAN_ATTACHED(ec); 2445 2446 /* Setup the queues for vlans */ 2447 for (i = 0; i < adapter->num_queues; i++) { 2448 rxr = &adapter->rx_rings[i]; 2449 /* 2450 * On 82599 and later, the VLAN enable is per/queue in RXDCTL. 2451 */ 2452 if (hw->mac.type != ixgbe_mac_82598EB) { 2453 ctrl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(rxr->me)); 2454 if (hwtagging) 2455 ctrl |= IXGBE_RXDCTL_VME; 2456 else 2457 ctrl &= ~IXGBE_RXDCTL_VME; 2458 IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(rxr->me), ctrl); 2459 } 2460 rxr->vtag_strip = hwtagging ? TRUE : FALSE; 2461 } 2462 2463 /* VLAN hw tagging for 82598 */ 2464 if (hw->mac.type == ixgbe_mac_82598EB) { 2465 ctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL); 2466 if (hwtagging) 2467 ctrl |= IXGBE_VLNCTRL_VME; 2468 else 2469 ctrl &= ~IXGBE_VLNCTRL_VME; 2470 IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, ctrl); 2471 } 2472 } /* ixgbe_setup_vlan_hw_tagging */ 2473 2474 static void 2475 ixgbe_setup_vlan_hw_support(struct adapter *adapter) 2476 { 2477 struct ethercom *ec = &adapter->osdep.ec; 2478 struct ixgbe_hw *hw = &adapter->hw; 2479 int i; 2480 u32 ctrl; 2481 struct vlanid_list *vlanidp; 2482 2483 /* 2484 * This function is called from both if_init and ifflags_cb() 2485 * on NetBSD. 2486 */ 2487 2488 /* 2489 * Part 1: 2490 * Setup VLAN HW tagging 2491 */ 2492 ixgbe_setup_vlan_hw_tagging(adapter); 2493 2494 /* 2495 * Part 2: 2496 * Setup VLAN HW filter 2497 */ 2498 /* Cleanup shadow_vfta */ 2499 for (i = 0; i < IXGBE_VFTA_SIZE; i++) 2500 adapter->shadow_vfta[i] = 0; 2501 /* Generate shadow_vfta from ec_vids */ 2502 ETHER_LOCK(ec); 2503 SIMPLEQ_FOREACH(vlanidp, &ec->ec_vids, vid_list) { 2504 uint32_t idx; 2505 2506 idx = vlanidp->vid / 32; 2507 KASSERT(idx < IXGBE_VFTA_SIZE); 2508 adapter->shadow_vfta[idx] |= (u32)1 << (vlanidp->vid % 32); 2509 } 2510 ETHER_UNLOCK(ec); 2511 for (i = 0; i < IXGBE_VFTA_SIZE; i++) 2512 IXGBE_WRITE_REG(hw, IXGBE_VFTA(i), adapter->shadow_vfta[i]); 2513 2514 ctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL); 2515 /* Enable the Filter Table if enabled */ 2516 if (ec->ec_capenable & ETHERCAP_VLAN_HWFILTER) 2517 ctrl |= IXGBE_VLNCTRL_VFE; 2518 else 2519 ctrl &= ~IXGBE_VLNCTRL_VFE; 2520 IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, ctrl); 2521 } /* ixgbe_setup_vlan_hw_support */ 2522 2523 /************************************************************************ 2524 * ixgbe_get_slot_info 2525 * 2526 * Get the width and transaction speed of 2527 * the slot this adapter is plugged into. 2528 ************************************************************************/ 2529 static void 2530 ixgbe_get_slot_info(struct adapter *adapter) 2531 { 2532 device_t dev = adapter->dev; 2533 struct ixgbe_hw *hw = &adapter->hw; 2534 u32 offset; 2535 u16 link; 2536 int bus_info_valid = TRUE; 2537 2538 /* Some devices are behind an internal bridge */ 2539 switch (hw->device_id) { 2540 case IXGBE_DEV_ID_82599_SFP_SF_QP: 2541 case IXGBE_DEV_ID_82599_QSFP_SF_QP: 2542 goto get_parent_info; 2543 default: 2544 break; 2545 } 2546 2547 ixgbe_get_bus_info(hw); 2548 2549 /* 2550 * Some devices don't use PCI-E, but there is no need 2551 * to display "Unknown" for bus speed and width. 2552 */ 2553 switch (hw->mac.type) { 2554 case ixgbe_mac_X550EM_x: 2555 case ixgbe_mac_X550EM_a: 2556 return; 2557 default: 2558 goto display; 2559 } 2560 2561 get_parent_info: 2562 /* 2563 * For the Quad port adapter we need to parse back 2564 * up the PCI tree to find the speed of the expansion 2565 * slot into which this adapter is plugged. A bit more work. 2566 */ 2567 dev = device_parent(device_parent(dev)); 2568 #if 0 2569 #ifdef IXGBE_DEBUG 2570 device_printf(dev, "parent pcib = %x,%x,%x\n", pci_get_bus(dev), 2571 pci_get_slot(dev), pci_get_function(dev)); 2572 #endif 2573 dev = device_parent(device_parent(dev)); 2574 #ifdef IXGBE_DEBUG 2575 device_printf(dev, "slot pcib = %x,%x,%x\n", pci_get_bus(dev), 2576 pci_get_slot(dev), pci_get_function(dev)); 2577 #endif 2578 #endif 2579 /* Now get the PCI Express Capabilities offset */ 2580 if (pci_get_capability(adapter->osdep.pc, adapter->osdep.tag, 2581 PCI_CAP_PCIEXPRESS, &offset, NULL)) { 2582 /* 2583 * Hmm...can't get PCI-Express capabilities. 2584 * Falling back to default method. 2585 */ 2586 bus_info_valid = FALSE; 2587 ixgbe_get_bus_info(hw); 2588 goto display; 2589 } 2590 /* ...and read the Link Status Register */ 2591 link = pci_conf_read(adapter->osdep.pc, adapter->osdep.tag, 2592 offset + PCIE_LCSR) >> 16; 2593 ixgbe_set_pci_config_data_generic(hw, link); 2594 2595 display: 2596 device_printf(dev, "PCI Express Bus: Speed %s Width %s\n", 2597 ((hw->bus.speed == ixgbe_bus_speed_8000) ? "8.0GT/s" : 2598 (hw->bus.speed == ixgbe_bus_speed_5000) ? "5.0GT/s" : 2599 (hw->bus.speed == ixgbe_bus_speed_2500) ? "2.5GT/s" : 2600 "Unknown"), 2601 ((hw->bus.width == ixgbe_bus_width_pcie_x8) ? "x8" : 2602 (hw->bus.width == ixgbe_bus_width_pcie_x4) ? "x4" : 2603 (hw->bus.width == ixgbe_bus_width_pcie_x1) ? "x1" : 2604 "Unknown")); 2605 2606 if (bus_info_valid) { 2607 if ((hw->device_id != IXGBE_DEV_ID_82599_SFP_SF_QP) && 2608 ((hw->bus.width <= ixgbe_bus_width_pcie_x4) && 2609 (hw->bus.speed == ixgbe_bus_speed_2500))) { 2610 device_printf(dev, "PCI-Express bandwidth available" 2611 " for this card\n is not sufficient for" 2612 " optimal performance.\n"); 2613 device_printf(dev, "For optimal performance a x8 " 2614 "PCIE, or x4 PCIE Gen2 slot is required.\n"); 2615 } 2616 if ((hw->device_id == IXGBE_DEV_ID_82599_SFP_SF_QP) && 2617 ((hw->bus.width <= ixgbe_bus_width_pcie_x8) && 2618 (hw->bus.speed < ixgbe_bus_speed_8000))) { 2619 device_printf(dev, "PCI-Express bandwidth available" 2620 " for this card\n is not sufficient for" 2621 " optimal performance.\n"); 2622 device_printf(dev, "For optimal performance a x8 " 2623 "PCIE Gen3 slot is required.\n"); 2624 } 2625 } else 2626 device_printf(dev, "Unable to determine slot speed/width. The speed/width reported are that of the internal switch.\n"); 2627 2628 return; 2629 } /* ixgbe_get_slot_info */ 2630 2631 /************************************************************************ 2632 * ixgbe_enable_queue - MSI-X Interrupt Handlers and Tasklets 2633 ************************************************************************/ 2634 static inline void 2635 ixgbe_enable_queue(struct adapter *adapter, u32 vector) 2636 { 2637 struct ixgbe_hw *hw = &adapter->hw; 2638 struct ix_queue *que = &adapter->queues[vector]; 2639 u64 queue = 1ULL << vector; 2640 u32 mask; 2641 2642 mutex_enter(&que->dc_mtx); 2643 if (que->disabled_count > 0 && --que->disabled_count > 0) 2644 goto out; 2645 2646 if (hw->mac.type == ixgbe_mac_82598EB) { 2647 mask = (IXGBE_EIMS_RTX_QUEUE & queue); 2648 IXGBE_WRITE_REG(hw, IXGBE_EIMS, mask); 2649 } else { 2650 mask = (queue & 0xFFFFFFFF); 2651 if (mask) 2652 IXGBE_WRITE_REG(hw, IXGBE_EIMS_EX(0), mask); 2653 mask = (queue >> 32); 2654 if (mask) 2655 IXGBE_WRITE_REG(hw, IXGBE_EIMS_EX(1), mask); 2656 } 2657 out: 2658 mutex_exit(&que->dc_mtx); 2659 } /* ixgbe_enable_queue */ 2660 2661 /************************************************************************ 2662 * ixgbe_disable_queue_internal 2663 ************************************************************************/ 2664 static inline void 2665 ixgbe_disable_queue_internal(struct adapter *adapter, u32 vector, bool nestok) 2666 { 2667 struct ixgbe_hw *hw = &adapter->hw; 2668 struct ix_queue *que = &adapter->queues[vector]; 2669 u64 queue = 1ULL << vector; 2670 u32 mask; 2671 2672 mutex_enter(&que->dc_mtx); 2673 2674 if (que->disabled_count > 0) { 2675 if (nestok) 2676 que->disabled_count++; 2677 goto out; 2678 } 2679 que->disabled_count++; 2680 2681 if (hw->mac.type == ixgbe_mac_82598EB) { 2682 mask = (IXGBE_EIMS_RTX_QUEUE & queue); 2683 IXGBE_WRITE_REG(hw, IXGBE_EIMC, mask); 2684 } else { 2685 mask = (queue & 0xFFFFFFFF); 2686 if (mask) 2687 IXGBE_WRITE_REG(hw, IXGBE_EIMC_EX(0), mask); 2688 mask = (queue >> 32); 2689 if (mask) 2690 IXGBE_WRITE_REG(hw, IXGBE_EIMC_EX(1), mask); 2691 } 2692 out: 2693 mutex_exit(&que->dc_mtx); 2694 } /* ixgbe_disable_queue_internal */ 2695 2696 /************************************************************************ 2697 * ixgbe_disable_queue 2698 ************************************************************************/ 2699 static inline void 2700 ixgbe_disable_queue(struct adapter *adapter, u32 vector) 2701 { 2702 2703 ixgbe_disable_queue_internal(adapter, vector, true); 2704 } /* ixgbe_disable_queue */ 2705 2706 /************************************************************************ 2707 * ixgbe_sched_handle_que - schedule deferred packet processing 2708 ************************************************************************/ 2709 static inline void 2710 ixgbe_sched_handle_que(struct adapter *adapter, struct ix_queue *que) 2711 { 2712 2713 if (que->txrx_use_workqueue) { 2714 /* 2715 * adapter->que_wq is bound to each CPU instead of 2716 * each NIC queue to reduce workqueue kthread. As we 2717 * should consider about interrupt affinity in this 2718 * function, the workqueue kthread must be WQ_PERCPU. 2719 * If create WQ_PERCPU workqueue kthread for each NIC 2720 * queue, that number of created workqueue kthread is 2721 * (number of used NIC queue) * (number of CPUs) = 2722 * (number of CPUs) ^ 2 most often. 2723 * 2724 * The same NIC queue's interrupts are avoided by 2725 * masking the queue's interrupt. And different 2726 * NIC queue's interrupts use different struct work 2727 * (que->wq_cookie). So, "enqueued flag" to avoid 2728 * twice workqueue_enqueue() is not required . 2729 */ 2730 workqueue_enqueue(adapter->que_wq, &que->wq_cookie, curcpu()); 2731 } else { 2732 softint_schedule(que->que_si); 2733 } 2734 } 2735 2736 /************************************************************************ 2737 * ixgbe_msix_que - MSI-X Queue Interrupt Service routine 2738 ************************************************************************/ 2739 static int 2740 ixgbe_msix_que(void *arg) 2741 { 2742 struct ix_queue *que = arg; 2743 struct adapter *adapter = que->adapter; 2744 struct ifnet *ifp = adapter->ifp; 2745 struct tx_ring *txr = que->txr; 2746 struct rx_ring *rxr = que->rxr; 2747 bool more; 2748 u32 newitr = 0; 2749 2750 /* Protect against spurious interrupts */ 2751 if ((ifp->if_flags & IFF_RUNNING) == 0) 2752 return 0; 2753 2754 ixgbe_disable_queue(adapter, que->msix); 2755 ++que->irqs.ev_count; 2756 2757 /* 2758 * Don't change "que->txrx_use_workqueue" from this point to avoid 2759 * flip-flopping softint/workqueue mode in one deferred processing. 2760 */ 2761 que->txrx_use_workqueue = adapter->txrx_use_workqueue; 2762 2763 #ifdef __NetBSD__ 2764 /* Don't run ixgbe_rxeof in interrupt context */ 2765 more = true; 2766 #else 2767 more = ixgbe_rxeof(que); 2768 #endif 2769 2770 IXGBE_TX_LOCK(txr); 2771 ixgbe_txeof(txr); 2772 IXGBE_TX_UNLOCK(txr); 2773 2774 /* Do AIM now? */ 2775 2776 if (adapter->enable_aim == false) 2777 goto no_calc; 2778 /* 2779 * Do Adaptive Interrupt Moderation: 2780 * - Write out last calculated setting 2781 * - Calculate based on average size over 2782 * the last interval. 2783 */ 2784 if (que->eitr_setting) 2785 ixgbe_eitr_write(adapter, que->msix, que->eitr_setting); 2786 2787 que->eitr_setting = 0; 2788 2789 /* Idle, do nothing */ 2790 if ((txr->bytes == 0) && (rxr->bytes == 0)) 2791 goto no_calc; 2792 2793 if ((txr->bytes) && (txr->packets)) 2794 newitr = txr->bytes/txr->packets; 2795 if ((rxr->bytes) && (rxr->packets)) 2796 newitr = uimax(newitr, (rxr->bytes / rxr->packets)); 2797 newitr += 24; /* account for hardware frame, crc */ 2798 2799 /* set an upper boundary */ 2800 newitr = uimin(newitr, 3000); 2801 2802 /* Be nice to the mid range */ 2803 if ((newitr > 300) && (newitr < 1200)) 2804 newitr = (newitr / 3); 2805 else 2806 newitr = (newitr / 2); 2807 2808 /* 2809 * When RSC is used, ITR interval must be larger than RSC_DELAY. 2810 * Currently, we use 2us for RSC_DELAY. The minimum value is always 2811 * greater than 2us on 100M (and 10M?(not documented)), but it's not 2812 * on 1G and higher. 2813 */ 2814 if ((adapter->link_speed != IXGBE_LINK_SPEED_100_FULL) 2815 && (adapter->link_speed != IXGBE_LINK_SPEED_10_FULL)) { 2816 if (newitr < IXGBE_MIN_RSC_EITR_10G1G) 2817 newitr = IXGBE_MIN_RSC_EITR_10G1G; 2818 } 2819 2820 /* save for next interrupt */ 2821 que->eitr_setting = newitr; 2822 2823 /* Reset state */ 2824 txr->bytes = 0; 2825 txr->packets = 0; 2826 rxr->bytes = 0; 2827 rxr->packets = 0; 2828 2829 no_calc: 2830 if (more) 2831 ixgbe_sched_handle_que(adapter, que); 2832 else 2833 ixgbe_enable_queue(adapter, que->msix); 2834 2835 return 1; 2836 } /* ixgbe_msix_que */ 2837 2838 /************************************************************************ 2839 * ixgbe_media_status - Media Ioctl callback 2840 * 2841 * Called whenever the user queries the status of 2842 * the interface using ifconfig. 2843 ************************************************************************/ 2844 static void 2845 ixgbe_media_status(struct ifnet *ifp, struct ifmediareq *ifmr) 2846 { 2847 struct adapter *adapter = ifp->if_softc; 2848 struct ixgbe_hw *hw = &adapter->hw; 2849 int layer; 2850 2851 INIT_DEBUGOUT("ixgbe_media_status: begin"); 2852 ixgbe_update_link_status(adapter); 2853 2854 ifmr->ifm_status = IFM_AVALID; 2855 ifmr->ifm_active = IFM_ETHER; 2856 2857 if (adapter->link_active != LINK_STATE_UP) { 2858 ifmr->ifm_active |= IFM_NONE; 2859 return; 2860 } 2861 2862 ifmr->ifm_status |= IFM_ACTIVE; 2863 layer = adapter->phy_layer; 2864 2865 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_T || 2866 layer & IXGBE_PHYSICAL_LAYER_5GBASE_T || 2867 layer & IXGBE_PHYSICAL_LAYER_2500BASE_T || 2868 layer & IXGBE_PHYSICAL_LAYER_1000BASE_T || 2869 layer & IXGBE_PHYSICAL_LAYER_100BASE_TX || 2870 layer & IXGBE_PHYSICAL_LAYER_10BASE_T) 2871 switch (adapter->link_speed) { 2872 case IXGBE_LINK_SPEED_10GB_FULL: 2873 ifmr->ifm_active |= IFM_10G_T | IFM_FDX; 2874 break; 2875 case IXGBE_LINK_SPEED_5GB_FULL: 2876 ifmr->ifm_active |= IFM_5000_T | IFM_FDX; 2877 break; 2878 case IXGBE_LINK_SPEED_2_5GB_FULL: 2879 ifmr->ifm_active |= IFM_2500_T | IFM_FDX; 2880 break; 2881 case IXGBE_LINK_SPEED_1GB_FULL: 2882 ifmr->ifm_active |= IFM_1000_T | IFM_FDX; 2883 break; 2884 case IXGBE_LINK_SPEED_100_FULL: 2885 ifmr->ifm_active |= IFM_100_TX | IFM_FDX; 2886 break; 2887 case IXGBE_LINK_SPEED_10_FULL: 2888 ifmr->ifm_active |= IFM_10_T | IFM_FDX; 2889 break; 2890 } 2891 if (layer & IXGBE_PHYSICAL_LAYER_SFP_PLUS_CU || 2892 layer & IXGBE_PHYSICAL_LAYER_SFP_ACTIVE_DA) 2893 switch (adapter->link_speed) { 2894 case IXGBE_LINK_SPEED_10GB_FULL: 2895 ifmr->ifm_active |= IFM_10G_TWINAX | IFM_FDX; 2896 break; 2897 } 2898 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_LR) 2899 switch (adapter->link_speed) { 2900 case IXGBE_LINK_SPEED_10GB_FULL: 2901 ifmr->ifm_active |= IFM_10G_LR | IFM_FDX; 2902 break; 2903 case IXGBE_LINK_SPEED_1GB_FULL: 2904 ifmr->ifm_active |= IFM_1000_LX | IFM_FDX; 2905 break; 2906 } 2907 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_LRM) 2908 switch (adapter->link_speed) { 2909 case IXGBE_LINK_SPEED_10GB_FULL: 2910 ifmr->ifm_active |= IFM_10G_LRM | IFM_FDX; 2911 break; 2912 case IXGBE_LINK_SPEED_1GB_FULL: 2913 ifmr->ifm_active |= IFM_1000_LX | IFM_FDX; 2914 break; 2915 } 2916 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_SR || 2917 layer & IXGBE_PHYSICAL_LAYER_1000BASE_SX) 2918 switch (adapter->link_speed) { 2919 case IXGBE_LINK_SPEED_10GB_FULL: 2920 ifmr->ifm_active |= IFM_10G_SR | IFM_FDX; 2921 break; 2922 case IXGBE_LINK_SPEED_1GB_FULL: 2923 ifmr->ifm_active |= IFM_1000_SX | IFM_FDX; 2924 break; 2925 } 2926 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_CX4) 2927 switch (adapter->link_speed) { 2928 case IXGBE_LINK_SPEED_10GB_FULL: 2929 ifmr->ifm_active |= IFM_10G_CX4 | IFM_FDX; 2930 break; 2931 } 2932 /* 2933 * XXX: These need to use the proper media types once 2934 * they're added. 2935 */ 2936 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KR) 2937 switch (adapter->link_speed) { 2938 case IXGBE_LINK_SPEED_10GB_FULL: 2939 ifmr->ifm_active |= IFM_10G_KR | IFM_FDX; 2940 break; 2941 case IXGBE_LINK_SPEED_2_5GB_FULL: 2942 ifmr->ifm_active |= IFM_2500_KX | IFM_FDX; 2943 break; 2944 case IXGBE_LINK_SPEED_1GB_FULL: 2945 ifmr->ifm_active |= IFM_1000_KX | IFM_FDX; 2946 break; 2947 } 2948 else if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KX4 || 2949 layer & IXGBE_PHYSICAL_LAYER_2500BASE_KX || 2950 layer & IXGBE_PHYSICAL_LAYER_1000BASE_KX) 2951 switch (adapter->link_speed) { 2952 case IXGBE_LINK_SPEED_10GB_FULL: 2953 ifmr->ifm_active |= IFM_10G_KX4 | IFM_FDX; 2954 break; 2955 case IXGBE_LINK_SPEED_2_5GB_FULL: 2956 ifmr->ifm_active |= IFM_2500_KX | IFM_FDX; 2957 break; 2958 case IXGBE_LINK_SPEED_1GB_FULL: 2959 ifmr->ifm_active |= IFM_1000_KX | IFM_FDX; 2960 break; 2961 } 2962 2963 /* If nothing is recognized... */ 2964 #if 0 2965 if (IFM_SUBTYPE(ifmr->ifm_active) == 0) 2966 ifmr->ifm_active |= IFM_UNKNOWN; 2967 #endif 2968 2969 ifp->if_baudrate = ifmedia_baudrate(ifmr->ifm_active); 2970 2971 /* Display current flow control setting used on link */ 2972 if (hw->fc.current_mode == ixgbe_fc_rx_pause || 2973 hw->fc.current_mode == ixgbe_fc_full) 2974 ifmr->ifm_active |= IFM_ETH_RXPAUSE; 2975 if (hw->fc.current_mode == ixgbe_fc_tx_pause || 2976 hw->fc.current_mode == ixgbe_fc_full) 2977 ifmr->ifm_active |= IFM_ETH_TXPAUSE; 2978 2979 return; 2980 } /* ixgbe_media_status */ 2981 2982 /************************************************************************ 2983 * ixgbe_media_change - Media Ioctl callback 2984 * 2985 * Called when the user changes speed/duplex using 2986 * media/mediopt option with ifconfig. 2987 ************************************************************************/ 2988 static int 2989 ixgbe_media_change(struct ifnet *ifp) 2990 { 2991 struct adapter *adapter = ifp->if_softc; 2992 struct ifmedia *ifm = &adapter->media; 2993 struct ixgbe_hw *hw = &adapter->hw; 2994 ixgbe_link_speed speed = 0; 2995 ixgbe_link_speed link_caps = 0; 2996 bool negotiate = false; 2997 s32 err = IXGBE_NOT_IMPLEMENTED; 2998 2999 INIT_DEBUGOUT("ixgbe_media_change: begin"); 3000 3001 if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER) 3002 return (EINVAL); 3003 3004 if (hw->phy.media_type == ixgbe_media_type_backplane) 3005 return (EPERM); 3006 3007 /* 3008 * We don't actually need to check against the supported 3009 * media types of the adapter; ifmedia will take care of 3010 * that for us. 3011 */ 3012 switch (IFM_SUBTYPE(ifm->ifm_media)) { 3013 case IFM_AUTO: 3014 err = hw->mac.ops.get_link_capabilities(hw, &link_caps, 3015 &negotiate); 3016 if (err != IXGBE_SUCCESS) { 3017 device_printf(adapter->dev, "Unable to determine " 3018 "supported advertise speeds\n"); 3019 return (ENODEV); 3020 } 3021 speed |= link_caps; 3022 break; 3023 case IFM_10G_T: 3024 case IFM_10G_LRM: 3025 case IFM_10G_LR: 3026 case IFM_10G_TWINAX: 3027 case IFM_10G_SR: 3028 case IFM_10G_CX4: 3029 case IFM_10G_KR: 3030 case IFM_10G_KX4: 3031 speed |= IXGBE_LINK_SPEED_10GB_FULL; 3032 break; 3033 case IFM_5000_T: 3034 speed |= IXGBE_LINK_SPEED_5GB_FULL; 3035 break; 3036 case IFM_2500_T: 3037 case IFM_2500_KX: 3038 speed |= IXGBE_LINK_SPEED_2_5GB_FULL; 3039 break; 3040 case IFM_1000_T: 3041 case IFM_1000_LX: 3042 case IFM_1000_SX: 3043 case IFM_1000_KX: 3044 speed |= IXGBE_LINK_SPEED_1GB_FULL; 3045 break; 3046 case IFM_100_TX: 3047 speed |= IXGBE_LINK_SPEED_100_FULL; 3048 break; 3049 case IFM_10_T: 3050 speed |= IXGBE_LINK_SPEED_10_FULL; 3051 break; 3052 case IFM_NONE: 3053 break; 3054 default: 3055 goto invalid; 3056 } 3057 3058 hw->mac.autotry_restart = TRUE; 3059 hw->mac.ops.setup_link(hw, speed, TRUE); 3060 adapter->advertise = 0; 3061 if (IFM_SUBTYPE(ifm->ifm_media) != IFM_AUTO) { 3062 if ((speed & IXGBE_LINK_SPEED_10GB_FULL) != 0) 3063 adapter->advertise |= 1 << 2; 3064 if ((speed & IXGBE_LINK_SPEED_1GB_FULL) != 0) 3065 adapter->advertise |= 1 << 1; 3066 if ((speed & IXGBE_LINK_SPEED_100_FULL) != 0) 3067 adapter->advertise |= 1 << 0; 3068 if ((speed & IXGBE_LINK_SPEED_10_FULL) != 0) 3069 adapter->advertise |= 1 << 3; 3070 if ((speed & IXGBE_LINK_SPEED_2_5GB_FULL) != 0) 3071 adapter->advertise |= 1 << 4; 3072 if ((speed & IXGBE_LINK_SPEED_5GB_FULL) != 0) 3073 adapter->advertise |= 1 << 5; 3074 } 3075 3076 return (0); 3077 3078 invalid: 3079 device_printf(adapter->dev, "Invalid media type!\n"); 3080 3081 return (EINVAL); 3082 } /* ixgbe_media_change */ 3083 3084 /************************************************************************ 3085 * ixgbe_msix_admin - Link status change ISR (MSI/MSI-X) 3086 ************************************************************************/ 3087 static int 3088 ixgbe_msix_admin(void *arg) 3089 { 3090 struct adapter *adapter = arg; 3091 struct ixgbe_hw *hw = &adapter->hw; 3092 u32 eicr, eicr_mask; 3093 u32 task_requests = 0; 3094 s32 retval; 3095 3096 ++adapter->admin_irqev.ev_count; 3097 3098 /* First get the cause */ 3099 /* 3100 * The specifications of 82598, 82599, X540 and X550 say EICS register 3101 * is write only. However, Linux says it is a workaround for silicon 3102 * errata to read EICS instead of EICR to get interrupt cause. It seems 3103 * there is a problem about read clear mechanism for EICR register. 3104 */ 3105 eicr = IXGBE_READ_REG(hw, IXGBE_EICS); 3106 /* Be sure the queue bits are not cleared */ 3107 eicr &= ~IXGBE_EICR_RTX_QUEUE; 3108 /* Clear all OTHER interrupts with write */ 3109 IXGBE_WRITE_REG(hw, IXGBE_EICR, eicr); 3110 3111 /* Link status change */ 3112 if (eicr & IXGBE_EICR_LSC) { 3113 IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_EIMC_LSC); 3114 task_requests |= IXGBE_REQUEST_TASK_LSC; 3115 } 3116 3117 if (ixgbe_is_sfp(hw)) { 3118 /* Pluggable optics-related interrupt */ 3119 if (hw->mac.type >= ixgbe_mac_X540) 3120 eicr_mask = IXGBE_EICR_GPI_SDP0_X540; 3121 else 3122 eicr_mask = IXGBE_EICR_GPI_SDP2_BY_MAC(hw); 3123 3124 /* 3125 * An interrupt might not arrive when a module is inserted. 3126 * When an link status change interrupt occurred and the driver 3127 * still regard SFP as unplugged, issue the module softint 3128 * and then issue LSC interrupt. 3129 */ 3130 if ((eicr & eicr_mask) 3131 || ((hw->phy.sfp_type == ixgbe_sfp_type_not_present) 3132 && (eicr & IXGBE_EICR_LSC))) { 3133 task_requests |= IXGBE_REQUEST_TASK_MOD; 3134 } 3135 3136 if ((hw->mac.type == ixgbe_mac_82599EB) && 3137 (eicr & IXGBE_EICR_GPI_SDP1_BY_MAC(hw))) { 3138 task_requests |= IXGBE_REQUEST_TASK_MSF; 3139 } 3140 } 3141 3142 if (adapter->hw.mac.type != ixgbe_mac_82598EB) { 3143 if ((adapter->feat_en & IXGBE_FEATURE_FDIR) && 3144 (eicr & IXGBE_EICR_FLOW_DIR)) { 3145 /* This is probably overkill :) */ 3146 if (!atomic_cas_uint(&adapter->fdir_reinit, 0, 1)) 3147 return 1; 3148 /* Disable the interrupt */ 3149 IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_EIMC_FLOW_DIR); 3150 task_requests |= IXGBE_REQUEST_TASK_FDIR; 3151 } 3152 3153 if (eicr & IXGBE_EICR_ECC) { 3154 device_printf(adapter->dev, 3155 "CRITICAL: ECC ERROR!! Please Reboot!!\n"); 3156 } 3157 3158 /* Check for over temp condition */ 3159 if (adapter->feat_en & IXGBE_FEATURE_TEMP_SENSOR) { 3160 switch (adapter->hw.mac.type) { 3161 case ixgbe_mac_X550EM_a: 3162 if (!(eicr & IXGBE_EICR_GPI_SDP0_X550EM_a)) 3163 break; 3164 IXGBE_WRITE_REG(hw, IXGBE_EIMC, 3165 IXGBE_EICR_GPI_SDP0_X550EM_a); 3166 retval = hw->phy.ops.check_overtemp(hw); 3167 if (retval != IXGBE_ERR_OVERTEMP) 3168 break; 3169 device_printf(adapter->dev, "CRITICAL: OVER TEMP!! PHY IS SHUT DOWN!!\n"); 3170 device_printf(adapter->dev, "System shutdown required!\n"); 3171 break; 3172 default: 3173 if (!(eicr & IXGBE_EICR_TS)) 3174 break; 3175 retval = hw->phy.ops.check_overtemp(hw); 3176 if (retval != IXGBE_ERR_OVERTEMP) 3177 break; 3178 device_printf(adapter->dev, "CRITICAL: OVER TEMP!! PHY IS SHUT DOWN!!\n"); 3179 device_printf(adapter->dev, "System shutdown required!\n"); 3180 break; 3181 } 3182 } 3183 3184 /* Check for VF message */ 3185 if ((adapter->feat_en & IXGBE_FEATURE_SRIOV) && 3186 (eicr & IXGBE_EICR_MAILBOX)) { 3187 task_requests |= IXGBE_REQUEST_TASK_MBX; 3188 } 3189 } 3190 3191 /* Check for fan failure */ 3192 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) { 3193 ixgbe_check_fan_failure(adapter, eicr, TRUE); 3194 } 3195 3196 /* External PHY interrupt */ 3197 if ((hw->phy.type == ixgbe_phy_x550em_ext_t) && 3198 (eicr & IXGBE_EICR_GPI_SDP0_X540)) { 3199 task_requests |= IXGBE_REQUEST_TASK_PHY; 3200 } 3201 3202 if (task_requests != 0) { 3203 /* Re-enabling other interrupts is done in the admin task */ 3204 task_requests |= IXGBE_REQUEST_TASK_NEED_ACKINTR; 3205 3206 mutex_enter(&adapter->admin_mtx); 3207 adapter->task_requests |= task_requests; 3208 ixgbe_schedule_admin_tasklet(adapter); 3209 mutex_exit(&adapter->admin_mtx); 3210 } 3211 3212 return 1; 3213 } /* ixgbe_msix_admin */ 3214 3215 static void 3216 ixgbe_eitr_write(struct adapter *adapter, uint32_t index, uint32_t itr) 3217 { 3218 3219 if (adapter->hw.mac.type == ixgbe_mac_82598EB) 3220 itr |= itr << 16; 3221 else 3222 itr |= IXGBE_EITR_CNT_WDIS; 3223 3224 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EITR(index), itr); 3225 } 3226 3227 3228 /************************************************************************ 3229 * ixgbe_sysctl_interrupt_rate_handler 3230 ************************************************************************/ 3231 static int 3232 ixgbe_sysctl_interrupt_rate_handler(SYSCTLFN_ARGS) 3233 { 3234 struct sysctlnode node = *rnode; 3235 struct ix_queue *que = (struct ix_queue *)node.sysctl_data; 3236 struct adapter *adapter; 3237 uint32_t reg, usec, rate; 3238 int error; 3239 3240 if (que == NULL) 3241 return 0; 3242 3243 adapter = que->adapter; 3244 if (ixgbe_fw_recovery_mode_swflag(adapter)) 3245 return (EPERM); 3246 3247 reg = IXGBE_READ_REG(&adapter->hw, IXGBE_EITR(que->msix)); 3248 usec = ((reg & 0x0FF8) >> 3); 3249 if (usec > 0) 3250 rate = 500000 / usec; 3251 else 3252 rate = 0; 3253 node.sysctl_data = &rate; 3254 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 3255 if (error || newp == NULL) 3256 return error; 3257 reg &= ~0xfff; /* default, no limitation */ 3258 if (rate > 0 && rate < 500000) { 3259 if (rate < 1000) 3260 rate = 1000; 3261 reg |= ((4000000 / rate) & 0xff8); 3262 /* 3263 * When RSC is used, ITR interval must be larger than 3264 * RSC_DELAY. Currently, we use 2us for RSC_DELAY. 3265 * The minimum value is always greater than 2us on 100M 3266 * (and 10M?(not documented)), but it's not on 1G and higher. 3267 */ 3268 if ((adapter->link_speed != IXGBE_LINK_SPEED_100_FULL) 3269 && (adapter->link_speed != IXGBE_LINK_SPEED_10_FULL)) { 3270 if ((adapter->num_queues > 1) 3271 && (reg < IXGBE_MIN_RSC_EITR_10G1G)) 3272 return EINVAL; 3273 } 3274 ixgbe_max_interrupt_rate = rate; 3275 } else 3276 ixgbe_max_interrupt_rate = 0; 3277 ixgbe_eitr_write(adapter, que->msix, reg); 3278 3279 return (0); 3280 } /* ixgbe_sysctl_interrupt_rate_handler */ 3281 3282 const struct sysctlnode * 3283 ixgbe_sysctl_instance(struct adapter *adapter) 3284 { 3285 const char *dvname; 3286 struct sysctllog **log; 3287 int rc; 3288 const struct sysctlnode *rnode; 3289 3290 if (adapter->sysctltop != NULL) 3291 return adapter->sysctltop; 3292 3293 log = &adapter->sysctllog; 3294 dvname = device_xname(adapter->dev); 3295 3296 if ((rc = sysctl_createv(log, 0, NULL, &rnode, 3297 0, CTLTYPE_NODE, dvname, 3298 SYSCTL_DESCR("ixgbe information and settings"), 3299 NULL, 0, NULL, 0, CTL_HW, CTL_CREATE, CTL_EOL)) != 0) 3300 goto err; 3301 3302 return rnode; 3303 err: 3304 device_printf(adapter->dev, 3305 "%s: sysctl_createv failed, rc = %d\n", __func__, rc); 3306 return NULL; 3307 } 3308 3309 /************************************************************************ 3310 * ixgbe_add_device_sysctls 3311 ************************************************************************/ 3312 static void 3313 ixgbe_add_device_sysctls(struct adapter *adapter) 3314 { 3315 device_t dev = adapter->dev; 3316 struct ixgbe_hw *hw = &adapter->hw; 3317 struct sysctllog **log; 3318 const struct sysctlnode *rnode, *cnode; 3319 3320 log = &adapter->sysctllog; 3321 3322 if ((rnode = ixgbe_sysctl_instance(adapter)) == NULL) { 3323 aprint_error_dev(dev, "could not create sysctl root\n"); 3324 return; 3325 } 3326 3327 if (sysctl_createv(log, 0, &rnode, &cnode, 3328 CTLFLAG_READWRITE, CTLTYPE_INT, 3329 "debug", SYSCTL_DESCR("Debug Info"), 3330 ixgbe_sysctl_debug, 0, (void *)adapter, 0, CTL_CREATE, CTL_EOL) != 0) 3331 aprint_error_dev(dev, "could not create sysctl\n"); 3332 3333 if (sysctl_createv(log, 0, &rnode, &cnode, 3334 CTLFLAG_READONLY, CTLTYPE_INT, 3335 "num_rx_desc", SYSCTL_DESCR("Number of rx descriptors"), 3336 NULL, 0, &adapter->num_rx_desc, 0, CTL_CREATE, CTL_EOL) != 0) 3337 aprint_error_dev(dev, "could not create sysctl\n"); 3338 3339 if (sysctl_createv(log, 0, &rnode, &cnode, 3340 CTLFLAG_READONLY, CTLTYPE_INT, 3341 "num_queues", SYSCTL_DESCR("Number of queues"), 3342 NULL, 0, &adapter->num_queues, 0, CTL_CREATE, CTL_EOL) != 0) 3343 aprint_error_dev(dev, "could not create sysctl\n"); 3344 3345 /* Sysctls for all devices */ 3346 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3347 CTLTYPE_INT, "fc", SYSCTL_DESCR(IXGBE_SYSCTL_DESC_SET_FC), 3348 ixgbe_sysctl_flowcntl, 0, (void *)adapter, 0, CTL_CREATE, 3349 CTL_EOL) != 0) 3350 aprint_error_dev(dev, "could not create sysctl\n"); 3351 3352 adapter->enable_aim = ixgbe_enable_aim; 3353 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3354 CTLTYPE_BOOL, "enable_aim", SYSCTL_DESCR("Interrupt Moderation"), 3355 NULL, 0, &adapter->enable_aim, 0, CTL_CREATE, CTL_EOL) != 0) 3356 aprint_error_dev(dev, "could not create sysctl\n"); 3357 3358 if (sysctl_createv(log, 0, &rnode, &cnode, 3359 CTLFLAG_READWRITE, CTLTYPE_INT, 3360 "advertise_speed", SYSCTL_DESCR(IXGBE_SYSCTL_DESC_ADV_SPEED), 3361 ixgbe_sysctl_advertise, 0, (void *)adapter, 0, CTL_CREATE, 3362 CTL_EOL) != 0) 3363 aprint_error_dev(dev, "could not create sysctl\n"); 3364 3365 /* 3366 * If each "que->txrx_use_workqueue" is changed in sysctl handler, 3367 * it causesflip-flopping softint/workqueue mode in one deferred 3368 * processing. Therefore, preempt_disable()/preempt_enable() are 3369 * required in ixgbe_sched_handle_que() to avoid 3370 * KASSERT(ixgbe_sched_handle_que()) in softint_schedule(). 3371 * I think changing "que->txrx_use_workqueue" in interrupt handler 3372 * is lighter than doing preempt_disable()/preempt_enable() in every 3373 * ixgbe_sched_handle_que(). 3374 */ 3375 adapter->txrx_use_workqueue = ixgbe_txrx_workqueue; 3376 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3377 CTLTYPE_BOOL, "txrx_workqueue", SYSCTL_DESCR("Use workqueue for packet processing"), 3378 NULL, 0, &adapter->txrx_use_workqueue, 0, CTL_CREATE, CTL_EOL) != 0) 3379 aprint_error_dev(dev, "could not create sysctl\n"); 3380 3381 #ifdef IXGBE_DEBUG 3382 /* testing sysctls (for all devices) */ 3383 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3384 CTLTYPE_INT, "power_state", SYSCTL_DESCR("PCI Power State"), 3385 ixgbe_sysctl_power_state, 0, (void *)adapter, 0, CTL_CREATE, 3386 CTL_EOL) != 0) 3387 aprint_error_dev(dev, "could not create sysctl\n"); 3388 3389 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READONLY, 3390 CTLTYPE_STRING, "print_rss_config", 3391 SYSCTL_DESCR("Prints RSS Configuration"), 3392 ixgbe_sysctl_print_rss_config, 0, (void *)adapter, 0, CTL_CREATE, 3393 CTL_EOL) != 0) 3394 aprint_error_dev(dev, "could not create sysctl\n"); 3395 #endif 3396 /* for X550 series devices */ 3397 if (hw->mac.type >= ixgbe_mac_X550) 3398 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3399 CTLTYPE_INT, "dmac", SYSCTL_DESCR("DMA Coalesce"), 3400 ixgbe_sysctl_dmac, 0, (void *)adapter, 0, CTL_CREATE, 3401 CTL_EOL) != 0) 3402 aprint_error_dev(dev, "could not create sysctl\n"); 3403 3404 /* for WoL-capable devices */ 3405 if (adapter->wol_support) { 3406 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3407 CTLTYPE_BOOL, "wol_enable", 3408 SYSCTL_DESCR("Enable/Disable Wake on LAN"), 3409 ixgbe_sysctl_wol_enable, 0, (void *)adapter, 0, CTL_CREATE, 3410 CTL_EOL) != 0) 3411 aprint_error_dev(dev, "could not create sysctl\n"); 3412 3413 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3414 CTLTYPE_INT, "wufc", 3415 SYSCTL_DESCR("Enable/Disable Wake Up Filters"), 3416 ixgbe_sysctl_wufc, 0, (void *)adapter, 0, CTL_CREATE, 3417 CTL_EOL) != 0) 3418 aprint_error_dev(dev, "could not create sysctl\n"); 3419 } 3420 3421 /* for X552/X557-AT devices */ 3422 if (hw->device_id == IXGBE_DEV_ID_X550EM_X_10G_T) { 3423 const struct sysctlnode *phy_node; 3424 3425 if (sysctl_createv(log, 0, &rnode, &phy_node, 0, CTLTYPE_NODE, 3426 "phy", SYSCTL_DESCR("External PHY sysctls"), 3427 NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL) != 0) { 3428 aprint_error_dev(dev, "could not create sysctl\n"); 3429 return; 3430 } 3431 3432 if (sysctl_createv(log, 0, &phy_node, &cnode, CTLFLAG_READONLY, 3433 CTLTYPE_INT, "temp", 3434 SYSCTL_DESCR("Current External PHY Temperature (Celsius)"), 3435 ixgbe_sysctl_phy_temp, 0, (void *)adapter, 0, CTL_CREATE, 3436 CTL_EOL) != 0) 3437 aprint_error_dev(dev, "could not create sysctl\n"); 3438 3439 if (sysctl_createv(log, 0, &phy_node, &cnode, CTLFLAG_READONLY, 3440 CTLTYPE_INT, "overtemp_occurred", 3441 SYSCTL_DESCR("External PHY High Temperature Event Occurred"), 3442 ixgbe_sysctl_phy_overtemp_occurred, 0, (void *)adapter, 0, 3443 CTL_CREATE, CTL_EOL) != 0) 3444 aprint_error_dev(dev, "could not create sysctl\n"); 3445 } 3446 3447 if ((hw->mac.type == ixgbe_mac_X550EM_a) 3448 && (hw->phy.type == ixgbe_phy_fw)) 3449 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3450 CTLTYPE_BOOL, "force_10_100_autonego", 3451 SYSCTL_DESCR("Force autonego on 10M and 100M"), 3452 NULL, 0, &hw->phy.force_10_100_autonego, 0, 3453 CTL_CREATE, CTL_EOL) != 0) 3454 aprint_error_dev(dev, "could not create sysctl\n"); 3455 3456 if (adapter->feat_cap & IXGBE_FEATURE_EEE) { 3457 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3458 CTLTYPE_INT, "eee_state", 3459 SYSCTL_DESCR("EEE Power Save State"), 3460 ixgbe_sysctl_eee_state, 0, (void *)adapter, 0, CTL_CREATE, 3461 CTL_EOL) != 0) 3462 aprint_error_dev(dev, "could not create sysctl\n"); 3463 } 3464 } /* ixgbe_add_device_sysctls */ 3465 3466 /************************************************************************ 3467 * ixgbe_allocate_pci_resources 3468 ************************************************************************/ 3469 static int 3470 ixgbe_allocate_pci_resources(struct adapter *adapter, 3471 const struct pci_attach_args *pa) 3472 { 3473 pcireg_t memtype, csr; 3474 device_t dev = adapter->dev; 3475 bus_addr_t addr; 3476 int flags; 3477 3478 memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, PCI_BAR(0)); 3479 switch (memtype) { 3480 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT: 3481 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT: 3482 adapter->osdep.mem_bus_space_tag = pa->pa_memt; 3483 if (pci_mapreg_info(pa->pa_pc, pa->pa_tag, PCI_BAR(0), 3484 memtype, &addr, &adapter->osdep.mem_size, &flags) != 0) 3485 goto map_err; 3486 if ((flags & BUS_SPACE_MAP_PREFETCHABLE) != 0) { 3487 aprint_normal_dev(dev, "clearing prefetchable bit\n"); 3488 flags &= ~BUS_SPACE_MAP_PREFETCHABLE; 3489 } 3490 if (bus_space_map(adapter->osdep.mem_bus_space_tag, addr, 3491 adapter->osdep.mem_size, flags, 3492 &adapter->osdep.mem_bus_space_handle) != 0) { 3493 map_err: 3494 adapter->osdep.mem_size = 0; 3495 aprint_error_dev(dev, "unable to map BAR0\n"); 3496 return ENXIO; 3497 } 3498 /* 3499 * Enable address decoding for memory range in case BIOS or 3500 * UEFI don't set it. 3501 */ 3502 csr = pci_conf_read(pa->pa_pc, pa->pa_tag, 3503 PCI_COMMAND_STATUS_REG); 3504 csr |= PCI_COMMAND_MEM_ENABLE; 3505 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 3506 csr); 3507 break; 3508 default: 3509 aprint_error_dev(dev, "unexpected type on BAR0\n"); 3510 return ENXIO; 3511 } 3512 3513 return (0); 3514 } /* ixgbe_allocate_pci_resources */ 3515 3516 static void 3517 ixgbe_free_deferred_handlers(struct adapter *adapter) 3518 { 3519 struct ix_queue *que = adapter->queues; 3520 struct tx_ring *txr = adapter->tx_rings; 3521 int i; 3522 3523 for (i = 0; i < adapter->num_queues; i++, que++, txr++) { 3524 if (!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX)) { 3525 if (txr->txr_si != NULL) 3526 softint_disestablish(txr->txr_si); 3527 } 3528 if (que->que_si != NULL) 3529 softint_disestablish(que->que_si); 3530 } 3531 if (adapter->txr_wq != NULL) 3532 workqueue_destroy(adapter->txr_wq); 3533 if (adapter->txr_wq_enqueued != NULL) 3534 percpu_free(adapter->txr_wq_enqueued, sizeof(u_int)); 3535 if (adapter->que_wq != NULL) 3536 workqueue_destroy(adapter->que_wq); 3537 3538 if (adapter->admin_wq != NULL) { 3539 workqueue_destroy(adapter->admin_wq); 3540 adapter->admin_wq = NULL; 3541 } 3542 if (adapter->timer_wq != NULL) { 3543 workqueue_destroy(adapter->timer_wq); 3544 adapter->timer_wq = NULL; 3545 } 3546 if (adapter->recovery_mode_timer_wq != NULL) { 3547 /* 3548 * ixgbe_ifstop() doesn't call the workqueue_wait() for 3549 * the recovery_mode_timer workqueue, so call it here. 3550 */ 3551 workqueue_wait(adapter->recovery_mode_timer_wq, 3552 &adapter->recovery_mode_timer_wc); 3553 atomic_store_relaxed(&adapter->recovery_mode_timer_pending, 0); 3554 workqueue_destroy(adapter->recovery_mode_timer_wq); 3555 adapter->recovery_mode_timer_wq = NULL; 3556 } 3557 } /* ixgbe_free_deferred_handlers */ 3558 3559 /************************************************************************ 3560 * ixgbe_detach - Device removal routine 3561 * 3562 * Called when the driver is being removed. 3563 * Stops the adapter and deallocates all the resources 3564 * that were allocated for driver operation. 3565 * 3566 * return 0 on success, positive on failure 3567 ************************************************************************/ 3568 static int 3569 ixgbe_detach(device_t dev, int flags) 3570 { 3571 struct adapter *adapter = device_private(dev); 3572 struct rx_ring *rxr = adapter->rx_rings; 3573 struct tx_ring *txr = adapter->tx_rings; 3574 struct ixgbe_hw *hw = &adapter->hw; 3575 struct ixgbe_hw_stats *stats = &adapter->stats.pf; 3576 u32 ctrl_ext; 3577 int i; 3578 3579 INIT_DEBUGOUT("ixgbe_detach: begin"); 3580 if (adapter->osdep.attached == false) 3581 return 0; 3582 3583 if (ixgbe_pci_iov_detach(dev) != 0) { 3584 device_printf(dev, "SR-IOV in use; detach first.\n"); 3585 return (EBUSY); 3586 } 3587 3588 #if NVLAN > 0 3589 /* Make sure VLANs are not using driver */ 3590 if (!VLAN_ATTACHED(&adapter->osdep.ec)) 3591 ; /* nothing to do: no VLANs */ 3592 else if ((flags & (DETACH_SHUTDOWN | DETACH_FORCE)) != 0) 3593 vlan_ifdetach(adapter->ifp); 3594 else { 3595 aprint_error_dev(dev, "VLANs in use, detach first\n"); 3596 return (EBUSY); 3597 } 3598 #endif 3599 3600 adapter->osdep.detaching = true; 3601 /* 3602 * Stop the interface. ixgbe_setup_low_power_mode() calls 3603 * ixgbe_ifstop(), so it's not required to call ixgbe_ifstop() 3604 * directly. 3605 */ 3606 ixgbe_setup_low_power_mode(adapter); 3607 3608 callout_halt(&adapter->timer, NULL); 3609 if (adapter->feat_en & IXGBE_FEATURE_RECOVERY_MODE) 3610 callout_halt(&adapter->recovery_mode_timer, NULL); 3611 3612 workqueue_wait(adapter->admin_wq, &adapter->admin_wc); 3613 atomic_store_relaxed(&adapter->admin_pending, 0); 3614 workqueue_wait(adapter->timer_wq, &adapter->timer_wc); 3615 atomic_store_relaxed(&adapter->timer_pending, 0); 3616 3617 pmf_device_deregister(dev); 3618 3619 ether_ifdetach(adapter->ifp); 3620 3621 ixgbe_free_deferred_handlers(adapter); 3622 3623 /* let hardware know driver is unloading */ 3624 ctrl_ext = IXGBE_READ_REG(&adapter->hw, IXGBE_CTRL_EXT); 3625 ctrl_ext &= ~IXGBE_CTRL_EXT_DRV_LOAD; 3626 IXGBE_WRITE_REG(&adapter->hw, IXGBE_CTRL_EXT, ctrl_ext); 3627 3628 if (adapter->feat_en & IXGBE_FEATURE_NETMAP) 3629 netmap_detach(adapter->ifp); 3630 3631 ixgbe_free_pci_resources(adapter); 3632 #if 0 /* XXX the NetBSD port is probably missing something here */ 3633 bus_generic_detach(dev); 3634 #endif 3635 if_detach(adapter->ifp); 3636 ifmedia_fini(&adapter->media); 3637 if_percpuq_destroy(adapter->ipq); 3638 3639 sysctl_teardown(&adapter->sysctllog); 3640 evcnt_detach(&adapter->efbig_tx_dma_setup); 3641 evcnt_detach(&adapter->mbuf_defrag_failed); 3642 evcnt_detach(&adapter->efbig2_tx_dma_setup); 3643 evcnt_detach(&adapter->einval_tx_dma_setup); 3644 evcnt_detach(&adapter->other_tx_dma_setup); 3645 evcnt_detach(&adapter->eagain_tx_dma_setup); 3646 evcnt_detach(&adapter->enomem_tx_dma_setup); 3647 evcnt_detach(&adapter->watchdog_events); 3648 evcnt_detach(&adapter->tso_err); 3649 evcnt_detach(&adapter->admin_irqev); 3650 evcnt_detach(&adapter->link_workev); 3651 evcnt_detach(&adapter->mod_workev); 3652 evcnt_detach(&adapter->msf_workev); 3653 evcnt_detach(&adapter->phy_workev); 3654 3655 for (i = 0; i < IXGBE_TC_COUNTER_NUM; i++) { 3656 if (i < __arraycount(stats->mpc)) { 3657 evcnt_detach(&stats->mpc[i]); 3658 if (hw->mac.type == ixgbe_mac_82598EB) 3659 evcnt_detach(&stats->rnbc[i]); 3660 } 3661 if (i < __arraycount(stats->pxontxc)) { 3662 evcnt_detach(&stats->pxontxc[i]); 3663 evcnt_detach(&stats->pxonrxc[i]); 3664 evcnt_detach(&stats->pxofftxc[i]); 3665 evcnt_detach(&stats->pxoffrxc[i]); 3666 if (hw->mac.type >= ixgbe_mac_82599EB) 3667 evcnt_detach(&stats->pxon2offc[i]); 3668 } 3669 } 3670 3671 txr = adapter->tx_rings; 3672 for (i = 0; i < adapter->num_queues; i++, rxr++, txr++) { 3673 evcnt_detach(&adapter->queues[i].irqs); 3674 evcnt_detach(&adapter->queues[i].handleq); 3675 evcnt_detach(&adapter->queues[i].req); 3676 evcnt_detach(&txr->no_desc_avail); 3677 evcnt_detach(&txr->total_packets); 3678 evcnt_detach(&txr->tso_tx); 3679 #ifndef IXGBE_LEGACY_TX 3680 evcnt_detach(&txr->pcq_drops); 3681 #endif 3682 3683 if (i < __arraycount(stats->qprc)) { 3684 evcnt_detach(&stats->qprc[i]); 3685 evcnt_detach(&stats->qptc[i]); 3686 evcnt_detach(&stats->qbrc[i]); 3687 evcnt_detach(&stats->qbtc[i]); 3688 if (hw->mac.type >= ixgbe_mac_82599EB) 3689 evcnt_detach(&stats->qprdc[i]); 3690 } 3691 3692 evcnt_detach(&rxr->rx_packets); 3693 evcnt_detach(&rxr->rx_bytes); 3694 evcnt_detach(&rxr->rx_copies); 3695 evcnt_detach(&rxr->no_jmbuf); 3696 evcnt_detach(&rxr->rx_discarded); 3697 } 3698 evcnt_detach(&stats->ipcs); 3699 evcnt_detach(&stats->l4cs); 3700 evcnt_detach(&stats->ipcs_bad); 3701 evcnt_detach(&stats->l4cs_bad); 3702 evcnt_detach(&stats->intzero); 3703 evcnt_detach(&stats->legint); 3704 evcnt_detach(&stats->crcerrs); 3705 evcnt_detach(&stats->illerrc); 3706 evcnt_detach(&stats->errbc); 3707 evcnt_detach(&stats->mspdc); 3708 if (hw->mac.type >= ixgbe_mac_X550) 3709 evcnt_detach(&stats->mbsdc); 3710 evcnt_detach(&stats->mpctotal); 3711 evcnt_detach(&stats->mlfc); 3712 evcnt_detach(&stats->mrfc); 3713 evcnt_detach(&stats->rlec); 3714 evcnt_detach(&stats->lxontxc); 3715 evcnt_detach(&stats->lxonrxc); 3716 evcnt_detach(&stats->lxofftxc); 3717 evcnt_detach(&stats->lxoffrxc); 3718 3719 /* Packet Reception Stats */ 3720 evcnt_detach(&stats->tor); 3721 evcnt_detach(&stats->gorc); 3722 evcnt_detach(&stats->tpr); 3723 evcnt_detach(&stats->gprc); 3724 evcnt_detach(&stats->mprc); 3725 evcnt_detach(&stats->bprc); 3726 evcnt_detach(&stats->prc64); 3727 evcnt_detach(&stats->prc127); 3728 evcnt_detach(&stats->prc255); 3729 evcnt_detach(&stats->prc511); 3730 evcnt_detach(&stats->prc1023); 3731 evcnt_detach(&stats->prc1522); 3732 evcnt_detach(&stats->ruc); 3733 evcnt_detach(&stats->rfc); 3734 evcnt_detach(&stats->roc); 3735 evcnt_detach(&stats->rjc); 3736 evcnt_detach(&stats->mngprc); 3737 evcnt_detach(&stats->mngpdc); 3738 evcnt_detach(&stats->xec); 3739 3740 /* Packet Transmission Stats */ 3741 evcnt_detach(&stats->gotc); 3742 evcnt_detach(&stats->tpt); 3743 evcnt_detach(&stats->gptc); 3744 evcnt_detach(&stats->bptc); 3745 evcnt_detach(&stats->mptc); 3746 evcnt_detach(&stats->mngptc); 3747 evcnt_detach(&stats->ptc64); 3748 evcnt_detach(&stats->ptc127); 3749 evcnt_detach(&stats->ptc255); 3750 evcnt_detach(&stats->ptc511); 3751 evcnt_detach(&stats->ptc1023); 3752 evcnt_detach(&stats->ptc1522); 3753 3754 ixgbe_free_queues(adapter); 3755 free(adapter->mta, M_DEVBUF); 3756 3757 mutex_destroy(&adapter->admin_mtx); /* XXX appropriate order? */ 3758 IXGBE_CORE_LOCK_DESTROY(adapter); 3759 3760 return (0); 3761 } /* ixgbe_detach */ 3762 3763 /************************************************************************ 3764 * ixgbe_setup_low_power_mode - LPLU/WoL preparation 3765 * 3766 * Prepare the adapter/port for LPLU and/or WoL 3767 ************************************************************************/ 3768 static int 3769 ixgbe_setup_low_power_mode(struct adapter *adapter) 3770 { 3771 struct ixgbe_hw *hw = &adapter->hw; 3772 device_t dev = adapter->dev; 3773 struct ifnet *ifp = adapter->ifp; 3774 s32 error = 0; 3775 3776 /* Limit power management flow to X550EM baseT */ 3777 if (hw->device_id == IXGBE_DEV_ID_X550EM_X_10G_T && 3778 hw->phy.ops.enter_lplu) { 3779 /* X550EM baseT adapters need a special LPLU flow */ 3780 hw->phy.reset_disable = true; 3781 ixgbe_ifstop(ifp, 1); 3782 error = hw->phy.ops.enter_lplu(hw); 3783 if (error) 3784 device_printf(dev, 3785 "Error entering LPLU: %d\n", error); 3786 hw->phy.reset_disable = false; 3787 } else { 3788 /* Just stop for other adapters */ 3789 ixgbe_ifstop(ifp, 1); 3790 } 3791 3792 IXGBE_CORE_LOCK(adapter); 3793 3794 if (!hw->wol_enabled) { 3795 ixgbe_set_phy_power(hw, FALSE); 3796 IXGBE_WRITE_REG(hw, IXGBE_WUFC, 0); 3797 IXGBE_WRITE_REG(hw, IXGBE_WUC, 0); 3798 } else { 3799 /* Turn off support for APM wakeup. (Using ACPI instead) */ 3800 IXGBE_WRITE_REG(hw, IXGBE_GRC_BY_MAC(hw), 3801 IXGBE_READ_REG(hw, IXGBE_GRC_BY_MAC(hw)) & ~(u32)2); 3802 3803 /* 3804 * Clear Wake Up Status register to prevent any previous wakeup 3805 * events from waking us up immediately after we suspend. 3806 */ 3807 IXGBE_WRITE_REG(hw, IXGBE_WUS, 0xffffffff); 3808 3809 /* 3810 * Program the Wakeup Filter Control register with user filter 3811 * settings 3812 */ 3813 IXGBE_WRITE_REG(hw, IXGBE_WUFC, adapter->wufc); 3814 3815 /* Enable wakeups and power management in Wakeup Control */ 3816 IXGBE_WRITE_REG(hw, IXGBE_WUC, 3817 IXGBE_WUC_WKEN | IXGBE_WUC_PME_EN); 3818 3819 } 3820 3821 IXGBE_CORE_UNLOCK(adapter); 3822 3823 return error; 3824 } /* ixgbe_setup_low_power_mode */ 3825 3826 /************************************************************************ 3827 * ixgbe_shutdown - Shutdown entry point 3828 ************************************************************************/ 3829 #if 0 /* XXX NetBSD ought to register something like this through pmf(9) */ 3830 static int 3831 ixgbe_shutdown(device_t dev) 3832 { 3833 struct adapter *adapter = device_private(dev); 3834 int error = 0; 3835 3836 INIT_DEBUGOUT("ixgbe_shutdown: begin"); 3837 3838 error = ixgbe_setup_low_power_mode(adapter); 3839 3840 return (error); 3841 } /* ixgbe_shutdown */ 3842 #endif 3843 3844 /************************************************************************ 3845 * ixgbe_suspend 3846 * 3847 * From D0 to D3 3848 ************************************************************************/ 3849 static bool 3850 ixgbe_suspend(device_t dev, const pmf_qual_t *qual) 3851 { 3852 struct adapter *adapter = device_private(dev); 3853 int error = 0; 3854 3855 INIT_DEBUGOUT("ixgbe_suspend: begin"); 3856 3857 error = ixgbe_setup_low_power_mode(adapter); 3858 3859 return (error); 3860 } /* ixgbe_suspend */ 3861 3862 /************************************************************************ 3863 * ixgbe_resume 3864 * 3865 * From D3 to D0 3866 ************************************************************************/ 3867 static bool 3868 ixgbe_resume(device_t dev, const pmf_qual_t *qual) 3869 { 3870 struct adapter *adapter = device_private(dev); 3871 struct ifnet *ifp = adapter->ifp; 3872 struct ixgbe_hw *hw = &adapter->hw; 3873 u32 wus; 3874 3875 INIT_DEBUGOUT("ixgbe_resume: begin"); 3876 3877 IXGBE_CORE_LOCK(adapter); 3878 3879 /* Read & clear WUS register */ 3880 wus = IXGBE_READ_REG(hw, IXGBE_WUS); 3881 if (wus) 3882 device_printf(dev, "Woken up by (WUS): %#010x\n", 3883 IXGBE_READ_REG(hw, IXGBE_WUS)); 3884 IXGBE_WRITE_REG(hw, IXGBE_WUS, 0xffffffff); 3885 /* And clear WUFC until next low-power transition */ 3886 IXGBE_WRITE_REG(hw, IXGBE_WUFC, 0); 3887 3888 /* 3889 * Required after D3->D0 transition; 3890 * will re-advertise all previous advertised speeds 3891 */ 3892 if (ifp->if_flags & IFF_UP) 3893 ixgbe_init_locked(adapter); 3894 3895 IXGBE_CORE_UNLOCK(adapter); 3896 3897 return true; 3898 } /* ixgbe_resume */ 3899 3900 /* 3901 * Set the various hardware offload abilities. 3902 * 3903 * This takes the ifnet's if_capenable flags (e.g. set by the user using 3904 * ifconfig) and indicates to the OS via the ifnet's if_hwassist field what 3905 * mbuf offload flags the driver will understand. 3906 */ 3907 static void 3908 ixgbe_set_if_hwassist(struct adapter *adapter) 3909 { 3910 /* XXX */ 3911 } 3912 3913 /************************************************************************ 3914 * ixgbe_init_locked - Init entry point 3915 * 3916 * Used in two ways: It is used by the stack as an init 3917 * entry point in network interface structure. It is also 3918 * used by the driver as a hw/sw initialization routine to 3919 * get to a consistent state. 3920 * 3921 * return 0 on success, positive on failure 3922 ************************************************************************/ 3923 static void 3924 ixgbe_init_locked(struct adapter *adapter) 3925 { 3926 struct ifnet *ifp = adapter->ifp; 3927 device_t dev = adapter->dev; 3928 struct ixgbe_hw *hw = &adapter->hw; 3929 struct ix_queue *que; 3930 struct tx_ring *txr; 3931 struct rx_ring *rxr; 3932 u32 txdctl, mhadd; 3933 u32 rxdctl, rxctrl; 3934 u32 ctrl_ext; 3935 bool unsupported_sfp = false; 3936 int i, j, err; 3937 3938 /* XXX check IFF_UP and IFF_RUNNING, power-saving state! */ 3939 3940 KASSERT(mutex_owned(&adapter->core_mtx)); 3941 INIT_DEBUGOUT("ixgbe_init_locked: begin"); 3942 3943 hw->need_unsupported_sfp_recovery = false; 3944 hw->adapter_stopped = FALSE; 3945 ixgbe_stop_adapter(hw); 3946 callout_stop(&adapter->timer); 3947 if (adapter->feat_en & IXGBE_FEATURE_RECOVERY_MODE) 3948 callout_stop(&adapter->recovery_mode_timer); 3949 for (i = 0, que = adapter->queues; i < adapter->num_queues; i++, que++) 3950 que->disabled_count = 0; 3951 3952 /* XXX I moved this here from the SIOCSIFMTU case in ixgbe_ioctl(). */ 3953 adapter->max_frame_size = 3954 ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN; 3955 3956 /* Queue indices may change with IOV mode */ 3957 ixgbe_align_all_queue_indices(adapter); 3958 3959 /* reprogram the RAR[0] in case user changed it. */ 3960 ixgbe_set_rar(hw, 0, hw->mac.addr, adapter->pool, IXGBE_RAH_AV); 3961 3962 /* Get the latest mac address, User can use a LAA */ 3963 memcpy(hw->mac.addr, CLLADDR(ifp->if_sadl), 3964 IXGBE_ETH_LENGTH_OF_ADDRESS); 3965 ixgbe_set_rar(hw, 0, hw->mac.addr, adapter->pool, 1); 3966 hw->addr_ctrl.rar_used_count = 1; 3967 3968 /* Set hardware offload abilities from ifnet flags */ 3969 ixgbe_set_if_hwassist(adapter); 3970 3971 /* Prepare transmit descriptors and buffers */ 3972 if (ixgbe_setup_transmit_structures(adapter)) { 3973 device_printf(dev, "Could not setup transmit structures\n"); 3974 ixgbe_stop_locked(adapter); 3975 return; 3976 } 3977 3978 ixgbe_init_hw(hw); 3979 3980 ixgbe_initialize_iov(adapter); 3981 3982 ixgbe_initialize_transmit_units(adapter); 3983 3984 /* Setup Multicast table */ 3985 ixgbe_set_rxfilter(adapter); 3986 3987 /* Determine the correct mbuf pool, based on frame size */ 3988 if (adapter->max_frame_size <= MCLBYTES) 3989 adapter->rx_mbuf_sz = MCLBYTES; 3990 else 3991 adapter->rx_mbuf_sz = MJUMPAGESIZE; 3992 3993 /* Prepare receive descriptors and buffers */ 3994 if (ixgbe_setup_receive_structures(adapter)) { 3995 device_printf(dev, "Could not setup receive structures\n"); 3996 ixgbe_stop_locked(adapter); 3997 return; 3998 } 3999 4000 /* Configure RX settings */ 4001 ixgbe_initialize_receive_units(adapter); 4002 4003 /* Initialize variable holding task enqueue requests interrupts */ 4004 adapter->task_requests = 0; 4005 4006 /* Enable SDP & MSI-X interrupts based on adapter */ 4007 ixgbe_config_gpie(adapter); 4008 4009 /* Set MTU size */ 4010 if (ifp->if_mtu > ETHERMTU) { 4011 /* aka IXGBE_MAXFRS on 82599 and newer */ 4012 mhadd = IXGBE_READ_REG(hw, IXGBE_MHADD); 4013 mhadd &= ~IXGBE_MHADD_MFS_MASK; 4014 mhadd |= adapter->max_frame_size << IXGBE_MHADD_MFS_SHIFT; 4015 IXGBE_WRITE_REG(hw, IXGBE_MHADD, mhadd); 4016 } 4017 4018 /* Now enable all the queues */ 4019 for (i = 0; i < adapter->num_queues; i++) { 4020 txr = &adapter->tx_rings[i]; 4021 txdctl = IXGBE_READ_REG(hw, IXGBE_TXDCTL(txr->me)); 4022 txdctl |= IXGBE_TXDCTL_ENABLE; 4023 /* Set WTHRESH to 8, burst writeback */ 4024 txdctl |= (8 << 16); 4025 /* 4026 * When the internal queue falls below PTHRESH (32), 4027 * start prefetching as long as there are at least 4028 * HTHRESH (1) buffers ready. The values are taken 4029 * from the Intel linux driver 3.8.21. 4030 * Prefetching enables tx line rate even with 1 queue. 4031 */ 4032 txdctl |= (32 << 0) | (1 << 8); 4033 IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(txr->me), txdctl); 4034 } 4035 4036 for (i = 0; i < adapter->num_queues; i++) { 4037 rxr = &adapter->rx_rings[i]; 4038 rxdctl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(rxr->me)); 4039 if (hw->mac.type == ixgbe_mac_82598EB) { 4040 /* 4041 * PTHRESH = 21 4042 * HTHRESH = 4 4043 * WTHRESH = 8 4044 */ 4045 rxdctl &= ~0x3FFFFF; 4046 rxdctl |= 0x080420; 4047 } 4048 rxdctl |= IXGBE_RXDCTL_ENABLE; 4049 IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(rxr->me), rxdctl); 4050 for (j = 0; j < 10; j++) { 4051 if (IXGBE_READ_REG(hw, IXGBE_RXDCTL(rxr->me)) & 4052 IXGBE_RXDCTL_ENABLE) 4053 break; 4054 else 4055 msec_delay(1); 4056 } 4057 IXGBE_WRITE_BARRIER(hw); 4058 4059 /* 4060 * In netmap mode, we must preserve the buffers made 4061 * available to userspace before the if_init() 4062 * (this is true by default on the TX side, because 4063 * init makes all buffers available to userspace). 4064 * 4065 * netmap_reset() and the device specific routines 4066 * (e.g. ixgbe_setup_receive_rings()) map these 4067 * buffers at the end of the NIC ring, so here we 4068 * must set the RDT (tail) register to make sure 4069 * they are not overwritten. 4070 * 4071 * In this driver the NIC ring starts at RDH = 0, 4072 * RDT points to the last slot available for reception (?), 4073 * so RDT = num_rx_desc - 1 means the whole ring is available. 4074 */ 4075 #ifdef DEV_NETMAP 4076 if ((adapter->feat_en & IXGBE_FEATURE_NETMAP) && 4077 (ifp->if_capenable & IFCAP_NETMAP)) { 4078 struct netmap_adapter *na = NA(adapter->ifp); 4079 struct netmap_kring *kring = na->rx_rings[i]; 4080 int t = na->num_rx_desc - 1 - nm_kr_rxspace(kring); 4081 4082 IXGBE_WRITE_REG(hw, IXGBE_RDT(rxr->me), t); 4083 } else 4084 #endif /* DEV_NETMAP */ 4085 IXGBE_WRITE_REG(hw, IXGBE_RDT(rxr->me), 4086 adapter->num_rx_desc - 1); 4087 } 4088 4089 /* Enable Receive engine */ 4090 rxctrl = IXGBE_READ_REG(hw, IXGBE_RXCTRL); 4091 if (hw->mac.type == ixgbe_mac_82598EB) 4092 rxctrl |= IXGBE_RXCTRL_DMBYPS; 4093 rxctrl |= IXGBE_RXCTRL_RXEN; 4094 ixgbe_enable_rx_dma(hw, rxctrl); 4095 4096 callout_reset(&adapter->timer, hz, ixgbe_local_timer, adapter); 4097 atomic_store_relaxed(&adapter->timer_pending, 0); 4098 if (adapter->feat_en & IXGBE_FEATURE_RECOVERY_MODE) 4099 callout_reset(&adapter->recovery_mode_timer, hz, 4100 ixgbe_recovery_mode_timer, adapter); 4101 4102 /* Set up MSI/MSI-X routing */ 4103 if (adapter->feat_en & IXGBE_FEATURE_MSIX) { 4104 ixgbe_configure_ivars(adapter); 4105 /* Set up auto-mask */ 4106 if (hw->mac.type == ixgbe_mac_82598EB) 4107 IXGBE_WRITE_REG(hw, IXGBE_EIAM, IXGBE_EICS_RTX_QUEUE); 4108 else { 4109 IXGBE_WRITE_REG(hw, IXGBE_EIAM_EX(0), 0xFFFFFFFF); 4110 IXGBE_WRITE_REG(hw, IXGBE_EIAM_EX(1), 0xFFFFFFFF); 4111 } 4112 } else { /* Simple settings for Legacy/MSI */ 4113 ixgbe_set_ivar(adapter, 0, 0, 0); 4114 ixgbe_set_ivar(adapter, 0, 0, 1); 4115 IXGBE_WRITE_REG(hw, IXGBE_EIAM, IXGBE_EICS_RTX_QUEUE); 4116 } 4117 4118 ixgbe_init_fdir(adapter); 4119 4120 /* 4121 * Check on any SFP devices that 4122 * need to be kick-started 4123 */ 4124 if (hw->phy.type == ixgbe_phy_none) { 4125 err = hw->phy.ops.identify(hw); 4126 if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) 4127 unsupported_sfp = true; 4128 } else if (hw->phy.type == ixgbe_phy_sfp_unsupported) 4129 unsupported_sfp = true; 4130 4131 if (unsupported_sfp) 4132 device_printf(dev, 4133 "Unsupported SFP+ module type was detected.\n"); 4134 4135 /* Set moderation on the Link interrupt */ 4136 ixgbe_eitr_write(adapter, adapter->vector, IXGBE_LINK_ITR); 4137 4138 /* Enable EEE power saving */ 4139 if (adapter->feat_cap & IXGBE_FEATURE_EEE) 4140 hw->mac.ops.setup_eee(hw, 4141 adapter->feat_en & IXGBE_FEATURE_EEE); 4142 4143 /* Enable power to the phy. */ 4144 if (!unsupported_sfp) { 4145 ixgbe_set_phy_power(hw, TRUE); 4146 4147 /* Config/Enable Link */ 4148 ixgbe_config_link(adapter); 4149 } 4150 4151 /* Hardware Packet Buffer & Flow Control setup */ 4152 ixgbe_config_delay_values(adapter); 4153 4154 /* Initialize the FC settings */ 4155 ixgbe_start_hw(hw); 4156 4157 /* Set up VLAN support and filter */ 4158 ixgbe_setup_vlan_hw_support(adapter); 4159 4160 /* Setup DMA Coalescing */ 4161 ixgbe_config_dmac(adapter); 4162 4163 /* OK to schedule workqueues. */ 4164 adapter->schedule_wqs_ok = true; 4165 4166 /* And now turn on interrupts */ 4167 ixgbe_enable_intr(adapter); 4168 4169 /* Enable the use of the MBX by the VF's */ 4170 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) { 4171 ctrl_ext = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT); 4172 ctrl_ext |= IXGBE_CTRL_EXT_PFRSTD; 4173 IXGBE_WRITE_REG(hw, IXGBE_CTRL_EXT, ctrl_ext); 4174 } 4175 4176 /* Update saved flags. See ixgbe_ifflags_cb() */ 4177 adapter->if_flags = ifp->if_flags; 4178 adapter->ec_capenable = adapter->osdep.ec.ec_capenable; 4179 4180 /* Now inform the stack we're ready */ 4181 ifp->if_flags |= IFF_RUNNING; 4182 4183 return; 4184 } /* ixgbe_init_locked */ 4185 4186 /************************************************************************ 4187 * ixgbe_init 4188 ************************************************************************/ 4189 static int 4190 ixgbe_init(struct ifnet *ifp) 4191 { 4192 struct adapter *adapter = ifp->if_softc; 4193 4194 IXGBE_CORE_LOCK(adapter); 4195 ixgbe_init_locked(adapter); 4196 IXGBE_CORE_UNLOCK(adapter); 4197 4198 return 0; /* XXX ixgbe_init_locked cannot fail? really? */ 4199 } /* ixgbe_init */ 4200 4201 /************************************************************************ 4202 * ixgbe_set_ivar 4203 * 4204 * Setup the correct IVAR register for a particular MSI-X interrupt 4205 * (yes this is all very magic and confusing :) 4206 * - entry is the register array entry 4207 * - vector is the MSI-X vector for this queue 4208 * - type is RX/TX/MISC 4209 ************************************************************************/ 4210 static void 4211 ixgbe_set_ivar(struct adapter *adapter, u8 entry, u8 vector, s8 type) 4212 { 4213 struct ixgbe_hw *hw = &adapter->hw; 4214 u32 ivar, index; 4215 4216 vector |= IXGBE_IVAR_ALLOC_VAL; 4217 4218 switch (hw->mac.type) { 4219 case ixgbe_mac_82598EB: 4220 if (type == -1) 4221 entry = IXGBE_IVAR_OTHER_CAUSES_INDEX; 4222 else 4223 entry += (type * 64); 4224 index = (entry >> 2) & 0x1F; 4225 ivar = IXGBE_READ_REG(hw, IXGBE_IVAR(index)); 4226 ivar &= ~(0xffUL << (8 * (entry & 0x3))); 4227 ivar |= ((u32)vector << (8 * (entry & 0x3))); 4228 IXGBE_WRITE_REG(&adapter->hw, IXGBE_IVAR(index), ivar); 4229 break; 4230 case ixgbe_mac_82599EB: 4231 case ixgbe_mac_X540: 4232 case ixgbe_mac_X550: 4233 case ixgbe_mac_X550EM_x: 4234 case ixgbe_mac_X550EM_a: 4235 if (type == -1) { /* MISC IVAR */ 4236 index = (entry & 1) * 8; 4237 ivar = IXGBE_READ_REG(hw, IXGBE_IVAR_MISC); 4238 ivar &= ~(0xffUL << index); 4239 ivar |= ((u32)vector << index); 4240 IXGBE_WRITE_REG(hw, IXGBE_IVAR_MISC, ivar); 4241 } else { /* RX/TX IVARS */ 4242 index = (16 * (entry & 1)) + (8 * type); 4243 ivar = IXGBE_READ_REG(hw, IXGBE_IVAR(entry >> 1)); 4244 ivar &= ~(0xffUL << index); 4245 ivar |= ((u32)vector << index); 4246 IXGBE_WRITE_REG(hw, IXGBE_IVAR(entry >> 1), ivar); 4247 } 4248 break; 4249 default: 4250 break; 4251 } 4252 } /* ixgbe_set_ivar */ 4253 4254 /************************************************************************ 4255 * ixgbe_configure_ivars 4256 ************************************************************************/ 4257 static void 4258 ixgbe_configure_ivars(struct adapter *adapter) 4259 { 4260 struct ix_queue *que = adapter->queues; 4261 u32 newitr; 4262 4263 if (ixgbe_max_interrupt_rate > 0) 4264 newitr = (4000000 / ixgbe_max_interrupt_rate) & 0x0FF8; 4265 else { 4266 /* 4267 * Disable DMA coalescing if interrupt moderation is 4268 * disabled. 4269 */ 4270 adapter->dmac = 0; 4271 newitr = 0; 4272 } 4273 4274 for (int i = 0; i < adapter->num_queues; i++, que++) { 4275 struct rx_ring *rxr = &adapter->rx_rings[i]; 4276 struct tx_ring *txr = &adapter->tx_rings[i]; 4277 /* First the RX queue entry */ 4278 ixgbe_set_ivar(adapter, rxr->me, que->msix, 0); 4279 /* ... and the TX */ 4280 ixgbe_set_ivar(adapter, txr->me, que->msix, 1); 4281 /* Set an Initial EITR value */ 4282 ixgbe_eitr_write(adapter, que->msix, newitr); 4283 /* 4284 * To eliminate influence of the previous state. 4285 * At this point, Tx/Rx interrupt handler 4286 * (ixgbe_msix_que()) cannot be called, so both 4287 * IXGBE_TX_LOCK and IXGBE_RX_LOCK are not required. 4288 */ 4289 que->eitr_setting = 0; 4290 } 4291 4292 /* For the Link interrupt */ 4293 ixgbe_set_ivar(adapter, 1, adapter->vector, -1); 4294 } /* ixgbe_configure_ivars */ 4295 4296 /************************************************************************ 4297 * ixgbe_config_gpie 4298 ************************************************************************/ 4299 static void 4300 ixgbe_config_gpie(struct adapter *adapter) 4301 { 4302 struct ixgbe_hw *hw = &adapter->hw; 4303 u32 gpie; 4304 4305 gpie = IXGBE_READ_REG(hw, IXGBE_GPIE); 4306 4307 if (adapter->feat_en & IXGBE_FEATURE_MSIX) { 4308 /* Enable Enhanced MSI-X mode */ 4309 gpie |= IXGBE_GPIE_MSIX_MODE 4310 | IXGBE_GPIE_EIAME 4311 | IXGBE_GPIE_PBA_SUPPORT 4312 | IXGBE_GPIE_OCD; 4313 } 4314 4315 /* Fan Failure Interrupt */ 4316 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) 4317 gpie |= IXGBE_SDP1_GPIEN; 4318 4319 /* Thermal Sensor Interrupt */ 4320 if (adapter->feat_en & IXGBE_FEATURE_TEMP_SENSOR) 4321 gpie |= IXGBE_SDP0_GPIEN_X540; 4322 4323 /* Link detection */ 4324 switch (hw->mac.type) { 4325 case ixgbe_mac_82599EB: 4326 gpie |= IXGBE_SDP1_GPIEN | IXGBE_SDP2_GPIEN; 4327 break; 4328 case ixgbe_mac_X550EM_x: 4329 case ixgbe_mac_X550EM_a: 4330 gpie |= IXGBE_SDP0_GPIEN_X540; 4331 break; 4332 default: 4333 break; 4334 } 4335 4336 IXGBE_WRITE_REG(hw, IXGBE_GPIE, gpie); 4337 4338 } /* ixgbe_config_gpie */ 4339 4340 /************************************************************************ 4341 * ixgbe_config_delay_values 4342 * 4343 * Requires adapter->max_frame_size to be set. 4344 ************************************************************************/ 4345 static void 4346 ixgbe_config_delay_values(struct adapter *adapter) 4347 { 4348 struct ixgbe_hw *hw = &adapter->hw; 4349 u32 rxpb, frame, size, tmp; 4350 4351 frame = adapter->max_frame_size; 4352 4353 /* Calculate High Water */ 4354 switch (hw->mac.type) { 4355 case ixgbe_mac_X540: 4356 case ixgbe_mac_X550: 4357 case ixgbe_mac_X550EM_x: 4358 case ixgbe_mac_X550EM_a: 4359 tmp = IXGBE_DV_X540(frame, frame); 4360 break; 4361 default: 4362 tmp = IXGBE_DV(frame, frame); 4363 break; 4364 } 4365 size = IXGBE_BT2KB(tmp); 4366 rxpb = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(0)) >> 10; 4367 hw->fc.high_water[0] = rxpb - size; 4368 4369 /* Now calculate Low Water */ 4370 switch (hw->mac.type) { 4371 case ixgbe_mac_X540: 4372 case ixgbe_mac_X550: 4373 case ixgbe_mac_X550EM_x: 4374 case ixgbe_mac_X550EM_a: 4375 tmp = IXGBE_LOW_DV_X540(frame); 4376 break; 4377 default: 4378 tmp = IXGBE_LOW_DV(frame); 4379 break; 4380 } 4381 hw->fc.low_water[0] = IXGBE_BT2KB(tmp); 4382 4383 hw->fc.pause_time = IXGBE_FC_PAUSE; 4384 hw->fc.send_xon = TRUE; 4385 } /* ixgbe_config_delay_values */ 4386 4387 /************************************************************************ 4388 * ixgbe_set_rxfilter - Multicast Update 4389 * 4390 * Called whenever multicast address list is updated. 4391 ************************************************************************/ 4392 static void 4393 ixgbe_set_rxfilter(struct adapter *adapter) 4394 { 4395 struct ixgbe_mc_addr *mta; 4396 struct ifnet *ifp = adapter->ifp; 4397 u8 *update_ptr; 4398 int mcnt = 0; 4399 u32 fctrl; 4400 struct ethercom *ec = &adapter->osdep.ec; 4401 struct ether_multi *enm; 4402 struct ether_multistep step; 4403 4404 KASSERT(mutex_owned(&adapter->core_mtx)); 4405 IOCTL_DEBUGOUT("ixgbe_set_rxfilter: begin"); 4406 4407 mta = adapter->mta; 4408 bzero(mta, sizeof(*mta) * MAX_NUM_MULTICAST_ADDRESSES); 4409 4410 ETHER_LOCK(ec); 4411 ec->ec_flags &= ~ETHER_F_ALLMULTI; 4412 ETHER_FIRST_MULTI(step, ec, enm); 4413 while (enm != NULL) { 4414 if ((mcnt == MAX_NUM_MULTICAST_ADDRESSES) || 4415 (memcmp(enm->enm_addrlo, enm->enm_addrhi, 4416 ETHER_ADDR_LEN) != 0)) { 4417 ec->ec_flags |= ETHER_F_ALLMULTI; 4418 break; 4419 } 4420 bcopy(enm->enm_addrlo, 4421 mta[mcnt].addr, IXGBE_ETH_LENGTH_OF_ADDRESS); 4422 mta[mcnt].vmdq = adapter->pool; 4423 mcnt++; 4424 ETHER_NEXT_MULTI(step, enm); 4425 } 4426 4427 fctrl = IXGBE_READ_REG(&adapter->hw, IXGBE_FCTRL); 4428 if (ifp->if_flags & IFF_PROMISC) 4429 fctrl |= (IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE); 4430 else if (ec->ec_flags & ETHER_F_ALLMULTI) { 4431 fctrl |= IXGBE_FCTRL_MPE; 4432 fctrl &= ~IXGBE_FCTRL_UPE; 4433 } else 4434 fctrl &= ~(IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE); 4435 4436 IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCTRL, fctrl); 4437 4438 /* Update multicast filter entries only when it's not ALLMULTI */ 4439 if ((ec->ec_flags & ETHER_F_ALLMULTI) == 0) { 4440 ETHER_UNLOCK(ec); 4441 update_ptr = (u8 *)mta; 4442 ixgbe_update_mc_addr_list(&adapter->hw, update_ptr, mcnt, 4443 ixgbe_mc_array_itr, TRUE); 4444 } else 4445 ETHER_UNLOCK(ec); 4446 } /* ixgbe_set_rxfilter */ 4447 4448 /************************************************************************ 4449 * ixgbe_mc_array_itr 4450 * 4451 * An iterator function needed by the multicast shared code. 4452 * It feeds the shared code routine the addresses in the 4453 * array of ixgbe_set_rxfilter() one by one. 4454 ************************************************************************/ 4455 static u8 * 4456 ixgbe_mc_array_itr(struct ixgbe_hw *hw, u8 **update_ptr, u32 *vmdq) 4457 { 4458 struct ixgbe_mc_addr *mta; 4459 4460 mta = (struct ixgbe_mc_addr *)*update_ptr; 4461 *vmdq = mta->vmdq; 4462 4463 *update_ptr = (u8*)(mta + 1); 4464 4465 return (mta->addr); 4466 } /* ixgbe_mc_array_itr */ 4467 4468 /************************************************************************ 4469 * ixgbe_local_timer - Timer routine 4470 * 4471 * Checks for link status, updates statistics, 4472 * and runs the watchdog check. 4473 ************************************************************************/ 4474 static void 4475 ixgbe_local_timer(void *arg) 4476 { 4477 struct adapter *adapter = arg; 4478 4479 if (adapter->schedule_wqs_ok) { 4480 if (atomic_cas_uint(&adapter->timer_pending, 0, 1) == 0) 4481 workqueue_enqueue(adapter->timer_wq, 4482 &adapter->timer_wc, NULL); 4483 } 4484 } 4485 4486 static void 4487 ixgbe_handle_timer(struct work *wk, void *context) 4488 { 4489 struct adapter *adapter = context; 4490 struct ixgbe_hw *hw = &adapter->hw; 4491 device_t dev = adapter->dev; 4492 struct ix_queue *que = adapter->queues; 4493 u64 queues = 0; 4494 u64 v0, v1, v2, v3, v4, v5, v6, v7; 4495 int hung = 0; 4496 int i; 4497 4498 IXGBE_CORE_LOCK(adapter); 4499 4500 /* Check for pluggable optics */ 4501 if (ixgbe_is_sfp(hw)) { 4502 bool sched_mod_task = false; 4503 4504 if (hw->mac.type == ixgbe_mac_82598EB) { 4505 /* 4506 * On 82598EB, SFP+'s MOD_ABS pin is not connected to 4507 * any GPIO(SDP). So just schedule TASK_MOD. 4508 */ 4509 sched_mod_task = true; 4510 } else { 4511 bool was_full, is_full; 4512 4513 was_full = 4514 hw->phy.sfp_type != ixgbe_sfp_type_not_present; 4515 is_full = ixgbe_sfp_cage_full(hw); 4516 4517 /* Do probe if cage state changed */ 4518 if (was_full ^ is_full) 4519 sched_mod_task = true; 4520 } 4521 if (sched_mod_task) { 4522 mutex_enter(&adapter->admin_mtx); 4523 adapter->task_requests |= IXGBE_REQUEST_TASK_MOD; 4524 ixgbe_schedule_admin_tasklet(adapter); 4525 mutex_exit(&adapter->admin_mtx); 4526 } 4527 } 4528 4529 ixgbe_update_link_status(adapter); 4530 ixgbe_update_stats_counters(adapter); 4531 4532 /* Update some event counters */ 4533 v0 = v1 = v2 = v3 = v4 = v5 = v6 = v7 = 0; 4534 que = adapter->queues; 4535 for (i = 0; i < adapter->num_queues; i++, que++) { 4536 struct tx_ring *txr = que->txr; 4537 4538 v0 += txr->q_efbig_tx_dma_setup; 4539 v1 += txr->q_mbuf_defrag_failed; 4540 v2 += txr->q_efbig2_tx_dma_setup; 4541 v3 += txr->q_einval_tx_dma_setup; 4542 v4 += txr->q_other_tx_dma_setup; 4543 v5 += txr->q_eagain_tx_dma_setup; 4544 v6 += txr->q_enomem_tx_dma_setup; 4545 v7 += txr->q_tso_err; 4546 } 4547 adapter->efbig_tx_dma_setup.ev_count = v0; 4548 adapter->mbuf_defrag_failed.ev_count = v1; 4549 adapter->efbig2_tx_dma_setup.ev_count = v2; 4550 adapter->einval_tx_dma_setup.ev_count = v3; 4551 adapter->other_tx_dma_setup.ev_count = v4; 4552 adapter->eagain_tx_dma_setup.ev_count = v5; 4553 adapter->enomem_tx_dma_setup.ev_count = v6; 4554 adapter->tso_err.ev_count = v7; 4555 4556 /* 4557 * Check the TX queues status 4558 * - mark hung queues so we don't schedule on them 4559 * - watchdog only if all queues show hung 4560 */ 4561 que = adapter->queues; 4562 for (i = 0; i < adapter->num_queues; i++, que++) { 4563 /* Keep track of queues with work for soft irq */ 4564 if (que->txr->busy) 4565 queues |= 1ULL << que->me; 4566 /* 4567 * Each time txeof runs without cleaning, but there 4568 * are uncleaned descriptors it increments busy. If 4569 * we get to the MAX we declare it hung. 4570 */ 4571 if (que->busy == IXGBE_QUEUE_HUNG) { 4572 ++hung; 4573 /* Mark the queue as inactive */ 4574 adapter->active_queues &= ~(1ULL << que->me); 4575 continue; 4576 } else { 4577 /* Check if we've come back from hung */ 4578 if ((adapter->active_queues & (1ULL << que->me)) == 0) 4579 adapter->active_queues |= 1ULL << que->me; 4580 } 4581 if (que->busy >= IXGBE_MAX_TX_BUSY) { 4582 device_printf(dev, 4583 "Warning queue %d appears to be hung!\n", i); 4584 que->txr->busy = IXGBE_QUEUE_HUNG; 4585 ++hung; 4586 } 4587 } 4588 4589 /* Only truly watchdog if all queues show hung */ 4590 if (hung == adapter->num_queues) 4591 goto watchdog; 4592 #if 0 /* XXX Avoid unexpectedly disabling interrupt forever (PR#53294) */ 4593 else if (queues != 0) { /* Force an IRQ on queues with work */ 4594 que = adapter->queues; 4595 for (i = 0; i < adapter->num_queues; i++, que++) { 4596 mutex_enter(&que->dc_mtx); 4597 if (que->disabled_count == 0) 4598 ixgbe_rearm_queues(adapter, 4599 queues & ((u64)1 << i)); 4600 mutex_exit(&que->dc_mtx); 4601 } 4602 } 4603 #endif 4604 4605 atomic_store_relaxed(&adapter->timer_pending, 0); 4606 IXGBE_CORE_UNLOCK(adapter); 4607 callout_reset(&adapter->timer, hz, ixgbe_local_timer, adapter); 4608 return; 4609 4610 watchdog: 4611 device_printf(adapter->dev, "Watchdog timeout -- resetting\n"); 4612 adapter->ifp->if_flags &= ~IFF_RUNNING; 4613 adapter->watchdog_events.ev_count++; 4614 ixgbe_init_locked(adapter); 4615 IXGBE_CORE_UNLOCK(adapter); 4616 } /* ixgbe_handle_timer */ 4617 4618 /************************************************************************ 4619 * ixgbe_recovery_mode_timer - Recovery mode timer routine 4620 ************************************************************************/ 4621 static void 4622 ixgbe_recovery_mode_timer(void *arg) 4623 { 4624 struct adapter *adapter = arg; 4625 4626 if (__predict_true(adapter->osdep.detaching == false)) { 4627 if (atomic_cas_uint(&adapter->recovery_mode_timer_pending, 4628 0, 1) == 0) { 4629 workqueue_enqueue(adapter->recovery_mode_timer_wq, 4630 &adapter->recovery_mode_timer_wc, NULL); 4631 } 4632 } 4633 } 4634 4635 static void 4636 ixgbe_handle_recovery_mode_timer(struct work *wk, void *context) 4637 { 4638 struct adapter *adapter = context; 4639 struct ixgbe_hw *hw = &adapter->hw; 4640 4641 IXGBE_CORE_LOCK(adapter); 4642 if (ixgbe_fw_recovery_mode(hw)) { 4643 if (atomic_cas_uint(&adapter->recovery_mode, 0, 1)) { 4644 /* Firmware error detected, entering recovery mode */ 4645 device_printf(adapter->dev, "Firmware recovery mode detected. Limiting functionality. Refer to the Intel(R) Ethernet Adapters and Devices User Guide for details on firmware recovery mode.\n"); 4646 4647 if (hw->adapter_stopped == FALSE) 4648 ixgbe_stop_locked(adapter); 4649 } 4650 } else 4651 atomic_cas_uint(&adapter->recovery_mode, 1, 0); 4652 4653 atomic_store_relaxed(&adapter->recovery_mode_timer_pending, 0); 4654 callout_reset(&adapter->recovery_mode_timer, hz, 4655 ixgbe_recovery_mode_timer, adapter); 4656 IXGBE_CORE_UNLOCK(adapter); 4657 } /* ixgbe_handle_recovery_mode_timer */ 4658 4659 /************************************************************************ 4660 * ixgbe_handle_mod - Tasklet for SFP module interrupts 4661 ************************************************************************/ 4662 static void 4663 ixgbe_handle_mod(void *context) 4664 { 4665 struct adapter *adapter = context; 4666 struct ixgbe_hw *hw = &adapter->hw; 4667 device_t dev = adapter->dev; 4668 enum ixgbe_sfp_type last_sfp_type; 4669 u32 err; 4670 bool last_unsupported_sfp_recovery; 4671 4672 KASSERT(mutex_owned(&adapter->core_mtx)); 4673 4674 last_sfp_type = hw->phy.sfp_type; 4675 last_unsupported_sfp_recovery = hw->need_unsupported_sfp_recovery; 4676 ++adapter->mod_workev.ev_count; 4677 if (adapter->hw.need_crosstalk_fix) { 4678 if ((hw->mac.type != ixgbe_mac_82598EB) && 4679 !ixgbe_sfp_cage_full(hw)) 4680 goto out; 4681 } 4682 4683 err = hw->phy.ops.identify_sfp(hw); 4684 if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) { 4685 if (last_unsupported_sfp_recovery == false) 4686 device_printf(dev, 4687 "Unsupported SFP+ module type was detected.\n"); 4688 goto out; 4689 } 4690 4691 if (hw->need_unsupported_sfp_recovery) { 4692 device_printf(dev, "Recovering from unsupported SFP\n"); 4693 /* 4694 * We could recover the status by calling setup_sfp(), 4695 * setup_link() and some others. It's complex and might not 4696 * work correctly on some unknown cases. To avoid such type of 4697 * problem, call ixgbe_init_locked(). It's simple and safe 4698 * approach. 4699 */ 4700 ixgbe_init_locked(adapter); 4701 } else if ((hw->phy.sfp_type != ixgbe_sfp_type_not_present) && 4702 (hw->phy.sfp_type != last_sfp_type)) { 4703 /* A module is inserted and changed. */ 4704 4705 if (hw->mac.type == ixgbe_mac_82598EB) 4706 err = hw->phy.ops.reset(hw); 4707 else { 4708 err = hw->mac.ops.setup_sfp(hw); 4709 hw->phy.sfp_setup_needed = FALSE; 4710 } 4711 if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) { 4712 device_printf(dev, 4713 "Setup failure - unsupported SFP+ module type.\n"); 4714 goto out; 4715 } 4716 } 4717 4718 out: 4719 /* get_supported_phy_layer will call hw->phy.ops.identify_sfp() */ 4720 adapter->phy_layer = ixgbe_get_supported_physical_layer(hw); 4721 4722 /* Adjust media types shown in ifconfig */ 4723 IXGBE_CORE_UNLOCK(adapter); 4724 ifmedia_removeall(&adapter->media); 4725 ixgbe_add_media_types(adapter); 4726 ifmedia_set(&adapter->media, IFM_ETHER | IFM_AUTO); 4727 IXGBE_CORE_LOCK(adapter); 4728 4729 /* 4730 * Don't shedule MSF event if the chip is 82598. 82598 doesn't support 4731 * MSF. At least, calling ixgbe_handle_msf on 82598 DA makes the link 4732 * flap because the function calls setup_link(). 4733 */ 4734 if (hw->mac.type != ixgbe_mac_82598EB) { 4735 mutex_enter(&adapter->admin_mtx); 4736 adapter->task_requests |= IXGBE_REQUEST_TASK_MSF; 4737 mutex_exit(&adapter->admin_mtx); 4738 } 4739 4740 /* 4741 * Don't call ixgbe_schedule_admin_tasklet() because we are on 4742 * the workqueue now. 4743 */ 4744 } /* ixgbe_handle_mod */ 4745 4746 4747 /************************************************************************ 4748 * ixgbe_handle_msf - Tasklet for MSF (multispeed fiber) interrupts 4749 ************************************************************************/ 4750 static void 4751 ixgbe_handle_msf(void *context) 4752 { 4753 struct adapter *adapter = context; 4754 struct ixgbe_hw *hw = &adapter->hw; 4755 u32 autoneg; 4756 bool negotiate; 4757 4758 KASSERT(mutex_owned(&adapter->core_mtx)); 4759 4760 ++adapter->msf_workev.ev_count; 4761 4762 autoneg = hw->phy.autoneg_advertised; 4763 if ((!autoneg) && (hw->mac.ops.get_link_capabilities)) 4764 hw->mac.ops.get_link_capabilities(hw, &autoneg, &negotiate); 4765 if (hw->mac.ops.setup_link) 4766 hw->mac.ops.setup_link(hw, autoneg, TRUE); 4767 } /* ixgbe_handle_msf */ 4768 4769 /************************************************************************ 4770 * ixgbe_handle_phy - Tasklet for external PHY interrupts 4771 ************************************************************************/ 4772 static void 4773 ixgbe_handle_phy(void *context) 4774 { 4775 struct adapter *adapter = context; 4776 struct ixgbe_hw *hw = &adapter->hw; 4777 int error; 4778 4779 KASSERT(mutex_owned(&adapter->core_mtx)); 4780 4781 ++adapter->phy_workev.ev_count; 4782 error = hw->phy.ops.handle_lasi(hw); 4783 if (error == IXGBE_ERR_OVERTEMP) 4784 device_printf(adapter->dev, 4785 "CRITICAL: EXTERNAL PHY OVER TEMP!! " 4786 " PHY will downshift to lower power state!\n"); 4787 else if (error) 4788 device_printf(adapter->dev, 4789 "Error handling LASI interrupt: %d\n", error); 4790 } /* ixgbe_handle_phy */ 4791 4792 static void 4793 ixgbe_handle_admin(struct work *wk, void *context) 4794 { 4795 struct adapter *adapter = context; 4796 struct ifnet *ifp = adapter->ifp; 4797 u32 task_requests; 4798 4799 mutex_enter(&adapter->admin_mtx); 4800 adapter->admin_pending = 0; 4801 task_requests = adapter->task_requests; 4802 adapter->task_requests = 0; 4803 mutex_exit(&adapter->admin_mtx); 4804 4805 /* 4806 * Hold the IFNET_LOCK across this entire call. This will 4807 * prevent additional changes to adapter->phy_layer 4808 * and serialize calls to this tasklet. We cannot hold the 4809 * CORE_LOCK while calling into the ifmedia functions as 4810 * they call ifmedia_lock() and the lock is CORE_LOCK. 4811 */ 4812 IFNET_LOCK(ifp); 4813 IXGBE_CORE_LOCK(adapter); 4814 if ((task_requests & IXGBE_REQUEST_TASK_LSC) != 0) { 4815 ixgbe_handle_link(adapter); 4816 } 4817 if ((task_requests & IXGBE_REQUEST_TASK_MOD) != 0) { 4818 ixgbe_handle_mod(adapter); 4819 } 4820 if ((task_requests & IXGBE_REQUEST_TASK_MSF) != 0) { 4821 ixgbe_handle_msf(adapter); 4822 } 4823 if ((task_requests & IXGBE_REQUEST_TASK_PHY) != 0) { 4824 ixgbe_handle_phy(adapter); 4825 } 4826 if ((task_requests & IXGBE_REQUEST_TASK_FDIR) != 0) { 4827 ixgbe_reinit_fdir(adapter); 4828 } 4829 #if 0 /* notyet */ 4830 if ((task_requests & IXGBE_REQUEST_TASK_MBX) != 0) { 4831 ixgbe_handle_mbx(adapter); 4832 } 4833 #endif 4834 if ((task_requests & IXGBE_REQUEST_TASK_NEED_ACKINTR) != 0) { 4835 /* 4836 * XXX FIXME. 4837 * ixgbe_enable_intr() enables all interrupts. It might enable 4838 * an interrupt which should not be enabled. 4839 */ 4840 ixgbe_enable_intr(adapter); 4841 } 4842 4843 IXGBE_CORE_UNLOCK(adapter); 4844 IFNET_UNLOCK(ifp); 4845 } /* ixgbe_handle_admin */ 4846 4847 static void 4848 ixgbe_ifstop(struct ifnet *ifp, int disable) 4849 { 4850 struct adapter *adapter = ifp->if_softc; 4851 4852 IXGBE_CORE_LOCK(adapter); 4853 ixgbe_stop_locked(adapter); 4854 IXGBE_CORE_UNLOCK(adapter); 4855 4856 workqueue_wait(adapter->timer_wq, &adapter->timer_wc); 4857 atomic_store_relaxed(&adapter->timer_pending, 0); 4858 } 4859 4860 /************************************************************************ 4861 * ixgbe_stop_locked - Stop the hardware 4862 * 4863 * Disables all traffic on the adapter by issuing a 4864 * global reset on the MAC and deallocates TX/RX buffers. 4865 ************************************************************************/ 4866 static void 4867 ixgbe_stop_locked(void *arg) 4868 { 4869 struct ifnet *ifp; 4870 struct adapter *adapter = arg; 4871 struct ixgbe_hw *hw = &adapter->hw; 4872 4873 ifp = adapter->ifp; 4874 4875 KASSERT(mutex_owned(&adapter->core_mtx)); 4876 4877 INIT_DEBUGOUT("ixgbe_stop_locked: begin\n"); 4878 ixgbe_disable_intr(adapter); 4879 callout_stop(&adapter->timer); 4880 4881 /* Don't schedule workqueues. */ 4882 adapter->schedule_wqs_ok = false; 4883 4884 /* Let the stack know...*/ 4885 ifp->if_flags &= ~IFF_RUNNING; 4886 4887 ixgbe_reset_hw(hw); 4888 hw->adapter_stopped = FALSE; 4889 ixgbe_stop_adapter(hw); 4890 if (hw->mac.type == ixgbe_mac_82599EB) 4891 ixgbe_stop_mac_link_on_d3_82599(hw); 4892 /* Turn off the laser - noop with no optics */ 4893 ixgbe_disable_tx_laser(hw); 4894 4895 /* Update the stack */ 4896 adapter->link_up = FALSE; 4897 ixgbe_update_link_status(adapter); 4898 4899 /* reprogram the RAR[0] in case user changed it. */ 4900 ixgbe_set_rar(&adapter->hw, 0, adapter->hw.mac.addr, 0, IXGBE_RAH_AV); 4901 4902 return; 4903 } /* ixgbe_stop_locked */ 4904 4905 /************************************************************************ 4906 * ixgbe_update_link_status - Update OS on link state 4907 * 4908 * Note: Only updates the OS on the cached link state. 4909 * The real check of the hardware only happens with 4910 * a link interrupt. 4911 ************************************************************************/ 4912 static void 4913 ixgbe_update_link_status(struct adapter *adapter) 4914 { 4915 struct ifnet *ifp = adapter->ifp; 4916 device_t dev = adapter->dev; 4917 struct ixgbe_hw *hw = &adapter->hw; 4918 4919 KASSERT(mutex_owned(&adapter->core_mtx)); 4920 4921 if (adapter->link_up) { 4922 if (adapter->link_active != LINK_STATE_UP) { 4923 /* 4924 * To eliminate influence of the previous state 4925 * in the same way as ixgbe_init_locked(). 4926 */ 4927 struct ix_queue *que = adapter->queues; 4928 for (int i = 0; i < adapter->num_queues; i++, que++) 4929 que->eitr_setting = 0; 4930 4931 if (adapter->link_speed == IXGBE_LINK_SPEED_10GB_FULL){ 4932 /* 4933 * Discard count for both MAC Local Fault and 4934 * Remote Fault because those registers are 4935 * valid only when the link speed is up and 4936 * 10Gbps. 4937 */ 4938 IXGBE_READ_REG(hw, IXGBE_MLFC); 4939 IXGBE_READ_REG(hw, IXGBE_MRFC); 4940 } 4941 4942 if (bootverbose) { 4943 const char *bpsmsg; 4944 4945 switch (adapter->link_speed) { 4946 case IXGBE_LINK_SPEED_10GB_FULL: 4947 bpsmsg = "10 Gbps"; 4948 break; 4949 case IXGBE_LINK_SPEED_5GB_FULL: 4950 bpsmsg = "5 Gbps"; 4951 break; 4952 case IXGBE_LINK_SPEED_2_5GB_FULL: 4953 bpsmsg = "2.5 Gbps"; 4954 break; 4955 case IXGBE_LINK_SPEED_1GB_FULL: 4956 bpsmsg = "1 Gbps"; 4957 break; 4958 case IXGBE_LINK_SPEED_100_FULL: 4959 bpsmsg = "100 Mbps"; 4960 break; 4961 case IXGBE_LINK_SPEED_10_FULL: 4962 bpsmsg = "10 Mbps"; 4963 break; 4964 default: 4965 bpsmsg = "unknown speed"; 4966 break; 4967 } 4968 device_printf(dev, "Link is up %s %s \n", 4969 bpsmsg, "Full Duplex"); 4970 } 4971 adapter->link_active = LINK_STATE_UP; 4972 /* Update any Flow Control changes */ 4973 ixgbe_fc_enable(&adapter->hw); 4974 /* Update DMA coalescing config */ 4975 ixgbe_config_dmac(adapter); 4976 if_link_state_change(ifp, LINK_STATE_UP); 4977 4978 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) 4979 ixgbe_ping_all_vfs(adapter); 4980 } 4981 } else { 4982 /* 4983 * Do it when link active changes to DOWN. i.e. 4984 * a) LINK_STATE_UNKNOWN -> LINK_STATE_DOWN 4985 * b) LINK_STATE_UP -> LINK_STATE_DOWN 4986 */ 4987 if (adapter->link_active != LINK_STATE_DOWN) { 4988 if (bootverbose) 4989 device_printf(dev, "Link is Down\n"); 4990 if_link_state_change(ifp, LINK_STATE_DOWN); 4991 adapter->link_active = LINK_STATE_DOWN; 4992 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) 4993 ixgbe_ping_all_vfs(adapter); 4994 ixgbe_drain_all(adapter); 4995 } 4996 } 4997 } /* ixgbe_update_link_status */ 4998 4999 /************************************************************************ 5000 * ixgbe_config_dmac - Configure DMA Coalescing 5001 ************************************************************************/ 5002 static void 5003 ixgbe_config_dmac(struct adapter *adapter) 5004 { 5005 struct ixgbe_hw *hw = &adapter->hw; 5006 struct ixgbe_dmac_config *dcfg = &hw->mac.dmac_config; 5007 5008 if (hw->mac.type < ixgbe_mac_X550 || !hw->mac.ops.dmac_config) 5009 return; 5010 5011 if (dcfg->watchdog_timer ^ adapter->dmac || 5012 dcfg->link_speed ^ adapter->link_speed) { 5013 dcfg->watchdog_timer = adapter->dmac; 5014 dcfg->fcoe_en = false; 5015 dcfg->link_speed = adapter->link_speed; 5016 dcfg->num_tcs = 1; 5017 5018 INIT_DEBUGOUT2("dmac settings: watchdog %d, link speed %d\n", 5019 dcfg->watchdog_timer, dcfg->link_speed); 5020 5021 hw->mac.ops.dmac_config(hw); 5022 } 5023 } /* ixgbe_config_dmac */ 5024 5025 /************************************************************************ 5026 * ixgbe_enable_intr 5027 ************************************************************************/ 5028 static void 5029 ixgbe_enable_intr(struct adapter *adapter) 5030 { 5031 struct ixgbe_hw *hw = &adapter->hw; 5032 struct ix_queue *que = adapter->queues; 5033 u32 mask, fwsm; 5034 5035 mask = (IXGBE_EIMS_ENABLE_MASK & ~IXGBE_EIMS_RTX_QUEUE); 5036 5037 switch (adapter->hw.mac.type) { 5038 case ixgbe_mac_82599EB: 5039 mask |= IXGBE_EIMS_ECC; 5040 /* Temperature sensor on some adapters */ 5041 mask |= IXGBE_EIMS_GPI_SDP0; 5042 /* SFP+ (RX_LOS_N & MOD_ABS_N) */ 5043 mask |= IXGBE_EIMS_GPI_SDP1; 5044 mask |= IXGBE_EIMS_GPI_SDP2; 5045 break; 5046 case ixgbe_mac_X540: 5047 /* Detect if Thermal Sensor is enabled */ 5048 fwsm = IXGBE_READ_REG(hw, IXGBE_FWSM); 5049 if (fwsm & IXGBE_FWSM_TS_ENABLED) 5050 mask |= IXGBE_EIMS_TS; 5051 mask |= IXGBE_EIMS_ECC; 5052 break; 5053 case ixgbe_mac_X550: 5054 /* MAC thermal sensor is automatically enabled */ 5055 mask |= IXGBE_EIMS_TS; 5056 mask |= IXGBE_EIMS_ECC; 5057 break; 5058 case ixgbe_mac_X550EM_x: 5059 case ixgbe_mac_X550EM_a: 5060 /* Some devices use SDP0 for important information */ 5061 if (hw->device_id == IXGBE_DEV_ID_X550EM_X_SFP || 5062 hw->device_id == IXGBE_DEV_ID_X550EM_A_SFP || 5063 hw->device_id == IXGBE_DEV_ID_X550EM_A_SFP_N || 5064 hw->device_id == IXGBE_DEV_ID_X550EM_X_10G_T) 5065 mask |= IXGBE_EIMS_GPI_SDP0_BY_MAC(hw); 5066 if (hw->phy.type == ixgbe_phy_x550em_ext_t) 5067 mask |= IXGBE_EICR_GPI_SDP0_X540; 5068 mask |= IXGBE_EIMS_ECC; 5069 break; 5070 default: 5071 break; 5072 } 5073 5074 /* Enable Fan Failure detection */ 5075 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) 5076 mask |= IXGBE_EIMS_GPI_SDP1; 5077 /* Enable SR-IOV */ 5078 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) 5079 mask |= IXGBE_EIMS_MAILBOX; 5080 /* Enable Flow Director */ 5081 if (adapter->feat_en & IXGBE_FEATURE_FDIR) 5082 mask |= IXGBE_EIMS_FLOW_DIR; 5083 5084 IXGBE_WRITE_REG(hw, IXGBE_EIMS, mask); 5085 5086 /* With MSI-X we use auto clear */ 5087 if (adapter->msix_mem) { 5088 mask = IXGBE_EIMS_ENABLE_MASK; 5089 /* Don't autoclear Link */ 5090 mask &= ~IXGBE_EIMS_OTHER; 5091 mask &= ~IXGBE_EIMS_LSC; 5092 if (adapter->feat_cap & IXGBE_FEATURE_SRIOV) 5093 mask &= ~IXGBE_EIMS_MAILBOX; 5094 IXGBE_WRITE_REG(hw, IXGBE_EIAC, mask); 5095 } 5096 5097 /* 5098 * Now enable all queues, this is done separately to 5099 * allow for handling the extended (beyond 32) MSI-X 5100 * vectors that can be used by 82599 5101 */ 5102 for (int i = 0; i < adapter->num_queues; i++, que++) 5103 ixgbe_enable_queue(adapter, que->msix); 5104 5105 IXGBE_WRITE_FLUSH(hw); 5106 5107 } /* ixgbe_enable_intr */ 5108 5109 /************************************************************************ 5110 * ixgbe_disable_intr_internal 5111 ************************************************************************/ 5112 static void 5113 ixgbe_disable_intr_internal(struct adapter *adapter, bool nestok) 5114 { 5115 struct ix_queue *que = adapter->queues; 5116 5117 /* disable interrupts other than queues */ 5118 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, ~IXGBE_EIMC_RTX_QUEUE); 5119 5120 if (adapter->msix_mem) 5121 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIAC, 0); 5122 5123 for (int i = 0; i < adapter->num_queues; i++, que++) 5124 ixgbe_disable_queue_internal(adapter, que->msix, nestok); 5125 5126 IXGBE_WRITE_FLUSH(&adapter->hw); 5127 5128 } /* ixgbe_do_disable_intr_internal */ 5129 5130 /************************************************************************ 5131 * ixgbe_disable_intr 5132 ************************************************************************/ 5133 static void 5134 ixgbe_disable_intr(struct adapter *adapter) 5135 { 5136 5137 ixgbe_disable_intr_internal(adapter, true); 5138 } /* ixgbe_disable_intr */ 5139 5140 /************************************************************************ 5141 * ixgbe_ensure_disabled_intr 5142 ************************************************************************/ 5143 void 5144 ixgbe_ensure_disabled_intr(struct adapter *adapter) 5145 { 5146 5147 ixgbe_disable_intr_internal(adapter, false); 5148 } /* ixgbe_ensure_disabled_intr */ 5149 5150 /************************************************************************ 5151 * ixgbe_legacy_irq - Legacy Interrupt Service routine 5152 ************************************************************************/ 5153 static int 5154 ixgbe_legacy_irq(void *arg) 5155 { 5156 struct ix_queue *que = arg; 5157 struct adapter *adapter = que->adapter; 5158 struct ixgbe_hw *hw = &adapter->hw; 5159 struct ifnet *ifp = adapter->ifp; 5160 struct tx_ring *txr = adapter->tx_rings; 5161 bool more = false; 5162 bool reenable_intr = true; 5163 u32 eicr, eicr_mask; 5164 u32 eims_orig; 5165 u32 task_requests = 0; 5166 5167 eims_orig = IXGBE_READ_REG(hw, IXGBE_EIMS); 5168 /* 5169 * Silicon errata #26 on 82598. Disable all interrupts before reading 5170 * EICR. 5171 */ 5172 IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_IRQ_CLEAR_MASK); 5173 5174 /* Read and clear EICR */ 5175 eicr = IXGBE_READ_REG(hw, IXGBE_EICR); 5176 5177 adapter->stats.pf.legint.ev_count++; 5178 ++que->irqs.ev_count; 5179 if (eicr == 0) { 5180 adapter->stats.pf.intzero.ev_count++; 5181 IXGBE_WRITE_REG(hw, IXGBE_EIMS, eims_orig); 5182 return 0; 5183 } 5184 5185 if ((ifp->if_flags & IFF_RUNNING) != 0) { 5186 /* 5187 * The same as ixgbe_msix_que() about 5188 * "que->txrx_use_workqueue". 5189 */ 5190 que->txrx_use_workqueue = adapter->txrx_use_workqueue; 5191 5192 #ifdef __NetBSD__ 5193 /* Don't run ixgbe_rxeof in interrupt context */ 5194 more = true; 5195 #else 5196 more = ixgbe_rxeof(que); 5197 #endif 5198 5199 IXGBE_TX_LOCK(txr); 5200 ixgbe_txeof(txr); 5201 #ifdef notyet 5202 if (!ixgbe_ring_empty(ifp, txr->br)) 5203 ixgbe_start_locked(ifp, txr); 5204 #endif 5205 IXGBE_TX_UNLOCK(txr); 5206 } 5207 5208 /* Link status change */ 5209 if (eicr & IXGBE_EICR_LSC) 5210 task_requests |= IXGBE_REQUEST_TASK_LSC; 5211 5212 if (ixgbe_is_sfp(hw)) { 5213 /* Pluggable optics-related interrupt */ 5214 if (hw->mac.type >= ixgbe_mac_X540) 5215 eicr_mask = IXGBE_EICR_GPI_SDP0_X540; 5216 else 5217 eicr_mask = IXGBE_EICR_GPI_SDP2_BY_MAC(hw); 5218 5219 /* 5220 * An interrupt might not arrive when a module is inserted. 5221 * When an link status change interrupt occurred and the driver 5222 * still regard SFP as unplugged, issue the module softint 5223 * and then issue LSC interrupt. 5224 */ 5225 if ((eicr & eicr_mask) 5226 || ((hw->phy.sfp_type == ixgbe_sfp_type_not_present) 5227 && (eicr & IXGBE_EICR_LSC))) { 5228 task_requests |= IXGBE_REQUEST_TASK_MOD; 5229 } 5230 5231 if ((hw->mac.type == ixgbe_mac_82599EB) && 5232 (eicr & IXGBE_EICR_GPI_SDP1_BY_MAC(hw))) { 5233 task_requests |= IXGBE_REQUEST_TASK_MSF; 5234 } 5235 } 5236 5237 /* Check for fan failure */ 5238 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) { 5239 ixgbe_check_fan_failure(adapter, eicr, true); 5240 } 5241 5242 /* External PHY interrupt */ 5243 if ((hw->phy.type == ixgbe_phy_x550em_ext_t) && 5244 (eicr & IXGBE_EICR_GPI_SDP0_X540)) 5245 task_requests |= IXGBE_REQUEST_TASK_PHY; 5246 5247 if (more) { 5248 que->req.ev_count++; 5249 ixgbe_sched_handle_que(adapter, que); 5250 reenable_intr = false; 5251 } 5252 if (task_requests != 0) { 5253 /* Re-enabling other interrupts is done in the admin task */ 5254 task_requests |= IXGBE_REQUEST_TASK_NEED_ACKINTR; 5255 5256 mutex_enter(&adapter->admin_mtx); 5257 adapter->task_requests |= task_requests; 5258 ixgbe_schedule_admin_tasklet(adapter); 5259 mutex_exit(&adapter->admin_mtx); 5260 5261 reenable_intr = false; 5262 } 5263 5264 if (reenable_intr == true) 5265 ixgbe_enable_intr(adapter); 5266 5267 return 1; 5268 } /* ixgbe_legacy_irq */ 5269 5270 /************************************************************************ 5271 * ixgbe_free_pciintr_resources 5272 ************************************************************************/ 5273 static void 5274 ixgbe_free_pciintr_resources(struct adapter *adapter) 5275 { 5276 struct ix_queue *que = adapter->queues; 5277 int rid; 5278 5279 /* 5280 * Release all msix queue resources: 5281 */ 5282 for (int i = 0; i < adapter->num_queues; i++, que++) { 5283 if (que->res != NULL) { 5284 pci_intr_disestablish(adapter->osdep.pc, 5285 adapter->osdep.ihs[i]); 5286 adapter->osdep.ihs[i] = NULL; 5287 } 5288 } 5289 5290 /* Clean the Legacy or Link interrupt last */ 5291 if (adapter->vector) /* we are doing MSIX */ 5292 rid = adapter->vector; 5293 else 5294 rid = 0; 5295 5296 if (adapter->osdep.ihs[rid] != NULL) { 5297 pci_intr_disestablish(adapter->osdep.pc, 5298 adapter->osdep.ihs[rid]); 5299 adapter->osdep.ihs[rid] = NULL; 5300 } 5301 5302 if (adapter->osdep.intrs != NULL) { 5303 pci_intr_release(adapter->osdep.pc, adapter->osdep.intrs, 5304 adapter->osdep.nintrs); 5305 adapter->osdep.intrs = NULL; 5306 } 5307 } /* ixgbe_free_pciintr_resources */ 5308 5309 /************************************************************************ 5310 * ixgbe_free_pci_resources 5311 ************************************************************************/ 5312 static void 5313 ixgbe_free_pci_resources(struct adapter *adapter) 5314 { 5315 5316 ixgbe_free_pciintr_resources(adapter); 5317 5318 if (adapter->osdep.mem_size != 0) { 5319 bus_space_unmap(adapter->osdep.mem_bus_space_tag, 5320 adapter->osdep.mem_bus_space_handle, 5321 adapter->osdep.mem_size); 5322 } 5323 5324 } /* ixgbe_free_pci_resources */ 5325 5326 /************************************************************************ 5327 * ixgbe_set_sysctl_value 5328 ************************************************************************/ 5329 static void 5330 ixgbe_set_sysctl_value(struct adapter *adapter, const char *name, 5331 const char *description, int *limit, int value) 5332 { 5333 device_t dev = adapter->dev; 5334 struct sysctllog **log; 5335 const struct sysctlnode *rnode, *cnode; 5336 5337 /* 5338 * It's not required to check recovery mode because this function never 5339 * touches hardware. 5340 */ 5341 5342 log = &adapter->sysctllog; 5343 if ((rnode = ixgbe_sysctl_instance(adapter)) == NULL) { 5344 aprint_error_dev(dev, "could not create sysctl root\n"); 5345 return; 5346 } 5347 if (sysctl_createv(log, 0, &rnode, &cnode, 5348 CTLFLAG_READWRITE, CTLTYPE_INT, 5349 name, SYSCTL_DESCR(description), 5350 NULL, 0, limit, 0, CTL_CREATE, CTL_EOL) != 0) 5351 aprint_error_dev(dev, "could not create sysctl\n"); 5352 *limit = value; 5353 } /* ixgbe_set_sysctl_value */ 5354 5355 /************************************************************************ 5356 * ixgbe_sysctl_flowcntl 5357 * 5358 * SYSCTL wrapper around setting Flow Control 5359 ************************************************************************/ 5360 static int 5361 ixgbe_sysctl_flowcntl(SYSCTLFN_ARGS) 5362 { 5363 struct sysctlnode node = *rnode; 5364 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5365 int error, fc; 5366 5367 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5368 return (EPERM); 5369 5370 fc = adapter->hw.fc.current_mode; 5371 node.sysctl_data = &fc; 5372 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5373 if (error != 0 || newp == NULL) 5374 return error; 5375 5376 /* Don't bother if it's not changed */ 5377 if (fc == adapter->hw.fc.current_mode) 5378 return (0); 5379 5380 return ixgbe_set_flowcntl(adapter, fc); 5381 } /* ixgbe_sysctl_flowcntl */ 5382 5383 /************************************************************************ 5384 * ixgbe_set_flowcntl - Set flow control 5385 * 5386 * Flow control values: 5387 * 0 - off 5388 * 1 - rx pause 5389 * 2 - tx pause 5390 * 3 - full 5391 ************************************************************************/ 5392 static int 5393 ixgbe_set_flowcntl(struct adapter *adapter, int fc) 5394 { 5395 switch (fc) { 5396 case ixgbe_fc_rx_pause: 5397 case ixgbe_fc_tx_pause: 5398 case ixgbe_fc_full: 5399 adapter->hw.fc.requested_mode = fc; 5400 if (adapter->num_queues > 1) 5401 ixgbe_disable_rx_drop(adapter); 5402 break; 5403 case ixgbe_fc_none: 5404 adapter->hw.fc.requested_mode = ixgbe_fc_none; 5405 if (adapter->num_queues > 1) 5406 ixgbe_enable_rx_drop(adapter); 5407 break; 5408 default: 5409 return (EINVAL); 5410 } 5411 5412 #if 0 /* XXX NetBSD */ 5413 /* Don't autoneg if forcing a value */ 5414 adapter->hw.fc.disable_fc_autoneg = TRUE; 5415 #endif 5416 ixgbe_fc_enable(&adapter->hw); 5417 5418 return (0); 5419 } /* ixgbe_set_flowcntl */ 5420 5421 /************************************************************************ 5422 * ixgbe_enable_rx_drop 5423 * 5424 * Enable the hardware to drop packets when the buffer is 5425 * full. This is useful with multiqueue, so that no single 5426 * queue being full stalls the entire RX engine. We only 5427 * enable this when Multiqueue is enabled AND Flow Control 5428 * is disabled. 5429 ************************************************************************/ 5430 static void 5431 ixgbe_enable_rx_drop(struct adapter *adapter) 5432 { 5433 struct ixgbe_hw *hw = &adapter->hw; 5434 struct rx_ring *rxr; 5435 u32 srrctl; 5436 5437 for (int i = 0; i < adapter->num_queues; i++) { 5438 rxr = &adapter->rx_rings[i]; 5439 srrctl = IXGBE_READ_REG(hw, IXGBE_SRRCTL(rxr->me)); 5440 srrctl |= IXGBE_SRRCTL_DROP_EN; 5441 IXGBE_WRITE_REG(hw, IXGBE_SRRCTL(rxr->me), srrctl); 5442 } 5443 5444 /* enable drop for each vf */ 5445 for (int i = 0; i < adapter->num_vfs; i++) { 5446 IXGBE_WRITE_REG(hw, IXGBE_QDE, 5447 (IXGBE_QDE_WRITE | (i << IXGBE_QDE_IDX_SHIFT) | 5448 IXGBE_QDE_ENABLE)); 5449 } 5450 } /* ixgbe_enable_rx_drop */ 5451 5452 /************************************************************************ 5453 * ixgbe_disable_rx_drop 5454 ************************************************************************/ 5455 static void 5456 ixgbe_disable_rx_drop(struct adapter *adapter) 5457 { 5458 struct ixgbe_hw *hw = &adapter->hw; 5459 struct rx_ring *rxr; 5460 u32 srrctl; 5461 5462 for (int i = 0; i < adapter->num_queues; i++) { 5463 rxr = &adapter->rx_rings[i]; 5464 srrctl = IXGBE_READ_REG(hw, IXGBE_SRRCTL(rxr->me)); 5465 srrctl &= ~IXGBE_SRRCTL_DROP_EN; 5466 IXGBE_WRITE_REG(hw, IXGBE_SRRCTL(rxr->me), srrctl); 5467 } 5468 5469 /* disable drop for each vf */ 5470 for (int i = 0; i < adapter->num_vfs; i++) { 5471 IXGBE_WRITE_REG(hw, IXGBE_QDE, 5472 (IXGBE_QDE_WRITE | (i << IXGBE_QDE_IDX_SHIFT))); 5473 } 5474 } /* ixgbe_disable_rx_drop */ 5475 5476 /************************************************************************ 5477 * ixgbe_sysctl_advertise 5478 * 5479 * SYSCTL wrapper around setting advertised speed 5480 ************************************************************************/ 5481 static int 5482 ixgbe_sysctl_advertise(SYSCTLFN_ARGS) 5483 { 5484 struct sysctlnode node = *rnode; 5485 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5486 int error = 0, advertise; 5487 5488 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5489 return (EPERM); 5490 5491 advertise = adapter->advertise; 5492 node.sysctl_data = &advertise; 5493 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5494 if (error != 0 || newp == NULL) 5495 return error; 5496 5497 return ixgbe_set_advertise(adapter, advertise); 5498 } /* ixgbe_sysctl_advertise */ 5499 5500 /************************************************************************ 5501 * ixgbe_set_advertise - Control advertised link speed 5502 * 5503 * Flags: 5504 * 0x00 - Default (all capable link speed) 5505 * 0x01 - advertise 100 Mb 5506 * 0x02 - advertise 1G 5507 * 0x04 - advertise 10G 5508 * 0x08 - advertise 10 Mb 5509 * 0x10 - advertise 2.5G 5510 * 0x20 - advertise 5G 5511 ************************************************************************/ 5512 static int 5513 ixgbe_set_advertise(struct adapter *adapter, int advertise) 5514 { 5515 device_t dev; 5516 struct ixgbe_hw *hw; 5517 ixgbe_link_speed speed = 0; 5518 ixgbe_link_speed link_caps = 0; 5519 s32 err = IXGBE_NOT_IMPLEMENTED; 5520 bool negotiate = FALSE; 5521 5522 /* Checks to validate new value */ 5523 if (adapter->advertise == advertise) /* no change */ 5524 return (0); 5525 5526 dev = adapter->dev; 5527 hw = &adapter->hw; 5528 5529 /* No speed changes for backplane media */ 5530 if (hw->phy.media_type == ixgbe_media_type_backplane) 5531 return (ENODEV); 5532 5533 if (!((hw->phy.media_type == ixgbe_media_type_copper) || 5534 (hw->phy.multispeed_fiber))) { 5535 device_printf(dev, 5536 "Advertised speed can only be set on copper or " 5537 "multispeed fiber media types.\n"); 5538 return (EINVAL); 5539 } 5540 5541 if (advertise < 0x0 || advertise > 0x3f) { 5542 device_printf(dev, 5543 "Invalid advertised speed; valid modes are 0x0 through 0x3f\n"); 5544 return (EINVAL); 5545 } 5546 5547 if (hw->mac.ops.get_link_capabilities) { 5548 err = hw->mac.ops.get_link_capabilities(hw, &link_caps, 5549 &negotiate); 5550 if (err != IXGBE_SUCCESS) { 5551 device_printf(dev, "Unable to determine supported advertise speeds\n"); 5552 return (ENODEV); 5553 } 5554 } 5555 5556 /* Set new value and report new advertised mode */ 5557 if (advertise & 0x1) { 5558 if (!(link_caps & IXGBE_LINK_SPEED_100_FULL)) { 5559 device_printf(dev, "Interface does not support 100Mb advertised speed\n"); 5560 return (EINVAL); 5561 } 5562 speed |= IXGBE_LINK_SPEED_100_FULL; 5563 } 5564 if (advertise & 0x2) { 5565 if (!(link_caps & IXGBE_LINK_SPEED_1GB_FULL)) { 5566 device_printf(dev, "Interface does not support 1Gb advertised speed\n"); 5567 return (EINVAL); 5568 } 5569 speed |= IXGBE_LINK_SPEED_1GB_FULL; 5570 } 5571 if (advertise & 0x4) { 5572 if (!(link_caps & IXGBE_LINK_SPEED_10GB_FULL)) { 5573 device_printf(dev, "Interface does not support 10Gb advertised speed\n"); 5574 return (EINVAL); 5575 } 5576 speed |= IXGBE_LINK_SPEED_10GB_FULL; 5577 } 5578 if (advertise & 0x8) { 5579 if (!(link_caps & IXGBE_LINK_SPEED_10_FULL)) { 5580 device_printf(dev, "Interface does not support 10Mb advertised speed\n"); 5581 return (EINVAL); 5582 } 5583 speed |= IXGBE_LINK_SPEED_10_FULL; 5584 } 5585 if (advertise & 0x10) { 5586 if (!(link_caps & IXGBE_LINK_SPEED_2_5GB_FULL)) { 5587 device_printf(dev, "Interface does not support 2.5Gb advertised speed\n"); 5588 return (EINVAL); 5589 } 5590 speed |= IXGBE_LINK_SPEED_2_5GB_FULL; 5591 } 5592 if (advertise & 0x20) { 5593 if (!(link_caps & IXGBE_LINK_SPEED_5GB_FULL)) { 5594 device_printf(dev, "Interface does not support 5Gb advertised speed\n"); 5595 return (EINVAL); 5596 } 5597 speed |= IXGBE_LINK_SPEED_5GB_FULL; 5598 } 5599 if (advertise == 0) 5600 speed = link_caps; /* All capable link speed */ 5601 5602 hw->mac.autotry_restart = TRUE; 5603 hw->mac.ops.setup_link(hw, speed, TRUE); 5604 adapter->advertise = advertise; 5605 5606 return (0); 5607 } /* ixgbe_set_advertise */ 5608 5609 /************************************************************************ 5610 * ixgbe_get_advertise - Get current advertised speed settings 5611 * 5612 * Formatted for sysctl usage. 5613 * Flags: 5614 * 0x01 - advertise 100 Mb 5615 * 0x02 - advertise 1G 5616 * 0x04 - advertise 10G 5617 * 0x08 - advertise 10 Mb (yes, Mb) 5618 * 0x10 - advertise 2.5G 5619 * 0x20 - advertise 5G 5620 ************************************************************************/ 5621 static int 5622 ixgbe_get_advertise(struct adapter *adapter) 5623 { 5624 struct ixgbe_hw *hw = &adapter->hw; 5625 int speed; 5626 ixgbe_link_speed link_caps = 0; 5627 s32 err; 5628 bool negotiate = FALSE; 5629 5630 /* 5631 * Advertised speed means nothing unless it's copper or 5632 * multi-speed fiber 5633 */ 5634 if (!(hw->phy.media_type == ixgbe_media_type_copper) && 5635 !(hw->phy.multispeed_fiber)) 5636 return (0); 5637 5638 err = hw->mac.ops.get_link_capabilities(hw, &link_caps, &negotiate); 5639 if (err != IXGBE_SUCCESS) 5640 return (0); 5641 5642 speed = 5643 ((link_caps & IXGBE_LINK_SPEED_10GB_FULL) ? 0x04 : 0) | 5644 ((link_caps & IXGBE_LINK_SPEED_1GB_FULL) ? 0x02 : 0) | 5645 ((link_caps & IXGBE_LINK_SPEED_100_FULL) ? 0x01 : 0) | 5646 ((link_caps & IXGBE_LINK_SPEED_10_FULL) ? 0x08 : 0) | 5647 ((link_caps & IXGBE_LINK_SPEED_2_5GB_FULL) ? 0x10 : 0) | 5648 ((link_caps & IXGBE_LINK_SPEED_5GB_FULL) ? 0x20 : 0); 5649 5650 return speed; 5651 } /* ixgbe_get_advertise */ 5652 5653 /************************************************************************ 5654 * ixgbe_sysctl_dmac - Manage DMA Coalescing 5655 * 5656 * Control values: 5657 * 0/1 - off / on (use default value of 1000) 5658 * 5659 * Legal timer values are: 5660 * 50,100,250,500,1000,2000,5000,10000 5661 * 5662 * Turning off interrupt moderation will also turn this off. 5663 ************************************************************************/ 5664 static int 5665 ixgbe_sysctl_dmac(SYSCTLFN_ARGS) 5666 { 5667 struct sysctlnode node = *rnode; 5668 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5669 struct ifnet *ifp = adapter->ifp; 5670 int error; 5671 int newval; 5672 5673 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5674 return (EPERM); 5675 5676 newval = adapter->dmac; 5677 node.sysctl_data = &newval; 5678 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5679 if ((error) || (newp == NULL)) 5680 return (error); 5681 5682 switch (newval) { 5683 case 0: 5684 /* Disabled */ 5685 adapter->dmac = 0; 5686 break; 5687 case 1: 5688 /* Enable and use default */ 5689 adapter->dmac = 1000; 5690 break; 5691 case 50: 5692 case 100: 5693 case 250: 5694 case 500: 5695 case 1000: 5696 case 2000: 5697 case 5000: 5698 case 10000: 5699 /* Legal values - allow */ 5700 adapter->dmac = newval; 5701 break; 5702 default: 5703 /* Do nothing, illegal value */ 5704 return (EINVAL); 5705 } 5706 5707 /* Re-initialize hardware if it's already running */ 5708 if (ifp->if_flags & IFF_RUNNING) 5709 ifp->if_init(ifp); 5710 5711 return (0); 5712 } 5713 5714 #ifdef IXGBE_DEBUG 5715 /************************************************************************ 5716 * ixgbe_sysctl_power_state 5717 * 5718 * Sysctl to test power states 5719 * Values: 5720 * 0 - set device to D0 5721 * 3 - set device to D3 5722 * (none) - get current device power state 5723 ************************************************************************/ 5724 static int 5725 ixgbe_sysctl_power_state(SYSCTLFN_ARGS) 5726 { 5727 #ifdef notyet 5728 struct sysctlnode node = *rnode; 5729 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5730 device_t dev = adapter->dev; 5731 int curr_ps, new_ps, error = 0; 5732 5733 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5734 return (EPERM); 5735 5736 curr_ps = new_ps = pci_get_powerstate(dev); 5737 5738 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5739 if ((error) || (req->newp == NULL)) 5740 return (error); 5741 5742 if (new_ps == curr_ps) 5743 return (0); 5744 5745 if (new_ps == 3 && curr_ps == 0) 5746 error = DEVICE_SUSPEND(dev); 5747 else if (new_ps == 0 && curr_ps == 3) 5748 error = DEVICE_RESUME(dev); 5749 else 5750 return (EINVAL); 5751 5752 device_printf(dev, "New state: %d\n", pci_get_powerstate(dev)); 5753 5754 return (error); 5755 #else 5756 return 0; 5757 #endif 5758 } /* ixgbe_sysctl_power_state */ 5759 #endif 5760 5761 /************************************************************************ 5762 * ixgbe_sysctl_wol_enable 5763 * 5764 * Sysctl to enable/disable the WoL capability, 5765 * if supported by the adapter. 5766 * 5767 * Values: 5768 * 0 - disabled 5769 * 1 - enabled 5770 ************************************************************************/ 5771 static int 5772 ixgbe_sysctl_wol_enable(SYSCTLFN_ARGS) 5773 { 5774 struct sysctlnode node = *rnode; 5775 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5776 struct ixgbe_hw *hw = &adapter->hw; 5777 bool new_wol_enabled; 5778 int error = 0; 5779 5780 /* 5781 * It's not required to check recovery mode because this function never 5782 * touches hardware. 5783 */ 5784 new_wol_enabled = hw->wol_enabled; 5785 node.sysctl_data = &new_wol_enabled; 5786 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5787 if ((error) || (newp == NULL)) 5788 return (error); 5789 if (new_wol_enabled == hw->wol_enabled) 5790 return (0); 5791 5792 if (new_wol_enabled && !adapter->wol_support) 5793 return (ENODEV); 5794 else 5795 hw->wol_enabled = new_wol_enabled; 5796 5797 return (0); 5798 } /* ixgbe_sysctl_wol_enable */ 5799 5800 /************************************************************************ 5801 * ixgbe_sysctl_wufc - Wake Up Filter Control 5802 * 5803 * Sysctl to enable/disable the types of packets that the 5804 * adapter will wake up on upon receipt. 5805 * Flags: 5806 * 0x1 - Link Status Change 5807 * 0x2 - Magic Packet 5808 * 0x4 - Direct Exact 5809 * 0x8 - Directed Multicast 5810 * 0x10 - Broadcast 5811 * 0x20 - ARP/IPv4 Request Packet 5812 * 0x40 - Direct IPv4 Packet 5813 * 0x80 - Direct IPv6 Packet 5814 * 5815 * Settings not listed above will cause the sysctl to return an error. 5816 ************************************************************************/ 5817 static int 5818 ixgbe_sysctl_wufc(SYSCTLFN_ARGS) 5819 { 5820 struct sysctlnode node = *rnode; 5821 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5822 int error = 0; 5823 u32 new_wufc; 5824 5825 /* 5826 * It's not required to check recovery mode because this function never 5827 * touches hardware. 5828 */ 5829 new_wufc = adapter->wufc; 5830 node.sysctl_data = &new_wufc; 5831 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5832 if ((error) || (newp == NULL)) 5833 return (error); 5834 if (new_wufc == adapter->wufc) 5835 return (0); 5836 5837 if (new_wufc & 0xffffff00) 5838 return (EINVAL); 5839 5840 new_wufc &= 0xff; 5841 new_wufc |= (0xffffff & adapter->wufc); 5842 adapter->wufc = new_wufc; 5843 5844 return (0); 5845 } /* ixgbe_sysctl_wufc */ 5846 5847 #ifdef IXGBE_DEBUG 5848 /************************************************************************ 5849 * ixgbe_sysctl_print_rss_config 5850 ************************************************************************/ 5851 static int 5852 ixgbe_sysctl_print_rss_config(SYSCTLFN_ARGS) 5853 { 5854 #ifdef notyet 5855 struct sysctlnode node = *rnode; 5856 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5857 struct ixgbe_hw *hw = &adapter->hw; 5858 device_t dev = adapter->dev; 5859 struct sbuf *buf; 5860 int error = 0, reta_size; 5861 u32 reg; 5862 5863 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5864 return (EPERM); 5865 5866 buf = sbuf_new_for_sysctl(NULL, NULL, 128, req); 5867 if (!buf) { 5868 device_printf(dev, "Could not allocate sbuf for output.\n"); 5869 return (ENOMEM); 5870 } 5871 5872 // TODO: use sbufs to make a string to print out 5873 /* Set multiplier for RETA setup and table size based on MAC */ 5874 switch (adapter->hw.mac.type) { 5875 case ixgbe_mac_X550: 5876 case ixgbe_mac_X550EM_x: 5877 case ixgbe_mac_X550EM_a: 5878 reta_size = 128; 5879 break; 5880 default: 5881 reta_size = 32; 5882 break; 5883 } 5884 5885 /* Print out the redirection table */ 5886 sbuf_cat(buf, "\n"); 5887 for (int i = 0; i < reta_size; i++) { 5888 if (i < 32) { 5889 reg = IXGBE_READ_REG(hw, IXGBE_RETA(i)); 5890 sbuf_printf(buf, "RETA(%2d): 0x%08x\n", i, reg); 5891 } else { 5892 reg = IXGBE_READ_REG(hw, IXGBE_ERETA(i - 32)); 5893 sbuf_printf(buf, "ERETA(%2d): 0x%08x\n", i - 32, reg); 5894 } 5895 } 5896 5897 // TODO: print more config 5898 5899 error = sbuf_finish(buf); 5900 if (error) 5901 device_printf(dev, "Error finishing sbuf: %d\n", error); 5902 5903 sbuf_delete(buf); 5904 #endif 5905 return (0); 5906 } /* ixgbe_sysctl_print_rss_config */ 5907 #endif /* IXGBE_DEBUG */ 5908 5909 /************************************************************************ 5910 * ixgbe_sysctl_phy_temp - Retrieve temperature of PHY 5911 * 5912 * For X552/X557-AT devices using an external PHY 5913 ************************************************************************/ 5914 static int 5915 ixgbe_sysctl_phy_temp(SYSCTLFN_ARGS) 5916 { 5917 struct sysctlnode node = *rnode; 5918 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5919 struct ixgbe_hw *hw = &adapter->hw; 5920 int val; 5921 u16 reg; 5922 int error; 5923 5924 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5925 return (EPERM); 5926 5927 if (hw->device_id != IXGBE_DEV_ID_X550EM_X_10G_T) { 5928 device_printf(adapter->dev, 5929 "Device has no supported external thermal sensor.\n"); 5930 return (ENODEV); 5931 } 5932 5933 if (hw->phy.ops.read_reg(hw, IXGBE_PHY_CURRENT_TEMP, 5934 IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, ®)) { 5935 device_printf(adapter->dev, 5936 "Error reading from PHY's current temperature register\n"); 5937 return (EAGAIN); 5938 } 5939 5940 node.sysctl_data = &val; 5941 5942 /* Shift temp for output */ 5943 val = reg >> 8; 5944 5945 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5946 if ((error) || (newp == NULL)) 5947 return (error); 5948 5949 return (0); 5950 } /* ixgbe_sysctl_phy_temp */ 5951 5952 /************************************************************************ 5953 * ixgbe_sysctl_phy_overtemp_occurred 5954 * 5955 * Reports (directly from the PHY) whether the current PHY 5956 * temperature is over the overtemp threshold. 5957 ************************************************************************/ 5958 static int 5959 ixgbe_sysctl_phy_overtemp_occurred(SYSCTLFN_ARGS) 5960 { 5961 struct sysctlnode node = *rnode; 5962 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5963 struct ixgbe_hw *hw = &adapter->hw; 5964 int val, error; 5965 u16 reg; 5966 5967 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5968 return (EPERM); 5969 5970 if (hw->device_id != IXGBE_DEV_ID_X550EM_X_10G_T) { 5971 device_printf(adapter->dev, 5972 "Device has no supported external thermal sensor.\n"); 5973 return (ENODEV); 5974 } 5975 5976 if (hw->phy.ops.read_reg(hw, IXGBE_PHY_OVERTEMP_STATUS, 5977 IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, ®)) { 5978 device_printf(adapter->dev, 5979 "Error reading from PHY's temperature status register\n"); 5980 return (EAGAIN); 5981 } 5982 5983 node.sysctl_data = &val; 5984 5985 /* Get occurrence bit */ 5986 val = !!(reg & 0x4000); 5987 5988 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5989 if ((error) || (newp == NULL)) 5990 return (error); 5991 5992 return (0); 5993 } /* ixgbe_sysctl_phy_overtemp_occurred */ 5994 5995 /************************************************************************ 5996 * ixgbe_sysctl_eee_state 5997 * 5998 * Sysctl to set EEE power saving feature 5999 * Values: 6000 * 0 - disable EEE 6001 * 1 - enable EEE 6002 * (none) - get current device EEE state 6003 ************************************************************************/ 6004 static int 6005 ixgbe_sysctl_eee_state(SYSCTLFN_ARGS) 6006 { 6007 struct sysctlnode node = *rnode; 6008 struct adapter *adapter = (struct adapter *)node.sysctl_data; 6009 struct ifnet *ifp = adapter->ifp; 6010 device_t dev = adapter->dev; 6011 int curr_eee, new_eee, error = 0; 6012 s32 retval; 6013 6014 if (ixgbe_fw_recovery_mode_swflag(adapter)) 6015 return (EPERM); 6016 6017 curr_eee = new_eee = !!(adapter->feat_en & IXGBE_FEATURE_EEE); 6018 node.sysctl_data = &new_eee; 6019 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 6020 if ((error) || (newp == NULL)) 6021 return (error); 6022 6023 /* Nothing to do */ 6024 if (new_eee == curr_eee) 6025 return (0); 6026 6027 /* Not supported */ 6028 if (!(adapter->feat_cap & IXGBE_FEATURE_EEE)) 6029 return (EINVAL); 6030 6031 /* Bounds checking */ 6032 if ((new_eee < 0) || (new_eee > 1)) 6033 return (EINVAL); 6034 6035 retval = ixgbe_setup_eee(&adapter->hw, new_eee); 6036 if (retval) { 6037 device_printf(dev, "Error in EEE setup: 0x%08X\n", retval); 6038 return (EINVAL); 6039 } 6040 6041 /* Restart auto-neg */ 6042 ifp->if_init(ifp); 6043 6044 device_printf(dev, "New EEE state: %d\n", new_eee); 6045 6046 /* Cache new value */ 6047 if (new_eee) 6048 adapter->feat_en |= IXGBE_FEATURE_EEE; 6049 else 6050 adapter->feat_en &= ~IXGBE_FEATURE_EEE; 6051 6052 return (error); 6053 } /* ixgbe_sysctl_eee_state */ 6054 6055 #define PRINTQS(adapter, regname) \ 6056 do { \ 6057 struct ixgbe_hw *_hw = &(adapter)->hw; \ 6058 int _i; \ 6059 \ 6060 printf("%s: %s", device_xname((adapter)->dev), #regname); \ 6061 for (_i = 0; _i < (adapter)->num_queues; _i++) { \ 6062 printf((_i == 0) ? "\t" : " "); \ 6063 printf("%08x", IXGBE_READ_REG(_hw, \ 6064 IXGBE_##regname(_i))); \ 6065 } \ 6066 printf("\n"); \ 6067 } while (0) 6068 6069 /************************************************************************ 6070 * ixgbe_print_debug_info 6071 * 6072 * Called only when em_display_debug_stats is enabled. 6073 * Provides a way to take a look at important statistics 6074 * maintained by the driver and hardware. 6075 ************************************************************************/ 6076 static void 6077 ixgbe_print_debug_info(struct adapter *adapter) 6078 { 6079 device_t dev = adapter->dev; 6080 struct ixgbe_hw *hw = &adapter->hw; 6081 int table_size; 6082 int i; 6083 6084 switch (adapter->hw.mac.type) { 6085 case ixgbe_mac_X550: 6086 case ixgbe_mac_X550EM_x: 6087 case ixgbe_mac_X550EM_a: 6088 table_size = 128; 6089 break; 6090 default: 6091 table_size = 32; 6092 break; 6093 } 6094 6095 device_printf(dev, "[E]RETA:\n"); 6096 for (i = 0; i < table_size; i++) { 6097 if (i < 32) 6098 printf("%02x: %08x\n", i, IXGBE_READ_REG(hw, 6099 IXGBE_RETA(i))); 6100 else 6101 printf("%02x: %08x\n", i, IXGBE_READ_REG(hw, 6102 IXGBE_ERETA(i - 32))); 6103 } 6104 6105 device_printf(dev, "queue:"); 6106 for (i = 0; i < adapter->num_queues; i++) { 6107 printf((i == 0) ? "\t" : " "); 6108 printf("%8d", i); 6109 } 6110 printf("\n"); 6111 PRINTQS(adapter, RDBAL); 6112 PRINTQS(adapter, RDBAH); 6113 PRINTQS(adapter, RDLEN); 6114 PRINTQS(adapter, SRRCTL); 6115 PRINTQS(adapter, RDH); 6116 PRINTQS(adapter, RDT); 6117 PRINTQS(adapter, RXDCTL); 6118 6119 device_printf(dev, "RQSMR:"); 6120 for (i = 0; i < adapter->num_queues / 4; i++) { 6121 printf((i == 0) ? "\t" : " "); 6122 printf("%08x", IXGBE_READ_REG(hw, IXGBE_RQSMR(i))); 6123 } 6124 printf("\n"); 6125 6126 device_printf(dev, "disabled_count:"); 6127 for (i = 0; i < adapter->num_queues; i++) { 6128 printf((i == 0) ? "\t" : " "); 6129 printf("%8d", adapter->queues[i].disabled_count); 6130 } 6131 printf("\n"); 6132 6133 device_printf(dev, "EIMS:\t%08x\n", IXGBE_READ_REG(hw, IXGBE_EIMS)); 6134 if (hw->mac.type != ixgbe_mac_82598EB) { 6135 device_printf(dev, "EIMS_EX(0):\t%08x\n", 6136 IXGBE_READ_REG(hw, IXGBE_EIMS_EX(0))); 6137 device_printf(dev, "EIMS_EX(1):\t%08x\n", 6138 IXGBE_READ_REG(hw, IXGBE_EIMS_EX(1))); 6139 } 6140 device_printf(dev, "EIAM:\t%08x\n", IXGBE_READ_REG(hw, IXGBE_EIAM)); 6141 device_printf(dev, "EIAC:\t%08x\n", IXGBE_READ_REG(hw, IXGBE_EIAC)); 6142 } /* ixgbe_print_debug_info */ 6143 6144 /************************************************************************ 6145 * ixgbe_sysctl_debug 6146 ************************************************************************/ 6147 static int 6148 ixgbe_sysctl_debug(SYSCTLFN_ARGS) 6149 { 6150 struct sysctlnode node = *rnode; 6151 struct adapter *adapter = (struct adapter *)node.sysctl_data; 6152 int error, result = 0; 6153 6154 if (ixgbe_fw_recovery_mode_swflag(adapter)) 6155 return (EPERM); 6156 6157 node.sysctl_data = &result; 6158 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 6159 6160 if (error || newp == NULL) 6161 return error; 6162 6163 if (result == 1) 6164 ixgbe_print_debug_info(adapter); 6165 6166 return 0; 6167 } /* ixgbe_sysctl_debug */ 6168 6169 /************************************************************************ 6170 * ixgbe_init_device_features 6171 ************************************************************************/ 6172 static void 6173 ixgbe_init_device_features(struct adapter *adapter) 6174 { 6175 adapter->feat_cap = IXGBE_FEATURE_NETMAP 6176 | IXGBE_FEATURE_RSS 6177 | IXGBE_FEATURE_MSI 6178 | IXGBE_FEATURE_MSIX 6179 | IXGBE_FEATURE_LEGACY_IRQ 6180 | IXGBE_FEATURE_LEGACY_TX; 6181 6182 /* Set capabilities first... */ 6183 switch (adapter->hw.mac.type) { 6184 case ixgbe_mac_82598EB: 6185 if (adapter->hw.device_id == IXGBE_DEV_ID_82598AT) 6186 adapter->feat_cap |= IXGBE_FEATURE_FAN_FAIL; 6187 break; 6188 case ixgbe_mac_X540: 6189 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 6190 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 6191 if ((adapter->hw.device_id == IXGBE_DEV_ID_X540_BYPASS) && 6192 (adapter->hw.bus.func == 0)) 6193 adapter->feat_cap |= IXGBE_FEATURE_BYPASS; 6194 break; 6195 case ixgbe_mac_X550: 6196 /* 6197 * IXGBE_FEATURE_RECOVERY_MODE will be set after reading 6198 * NVM Image version. 6199 */ 6200 adapter->feat_cap |= IXGBE_FEATURE_TEMP_SENSOR; 6201 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 6202 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 6203 break; 6204 case ixgbe_mac_X550EM_x: 6205 /* 6206 * IXGBE_FEATURE_RECOVERY_MODE will be set after reading 6207 * NVM Image version. 6208 */ 6209 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 6210 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 6211 break; 6212 case ixgbe_mac_X550EM_a: 6213 /* 6214 * IXGBE_FEATURE_RECOVERY_MODE will be set after reading 6215 * NVM Image version. 6216 */ 6217 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 6218 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 6219 adapter->feat_cap &= ~IXGBE_FEATURE_LEGACY_IRQ; 6220 if ((adapter->hw.device_id == IXGBE_DEV_ID_X550EM_A_1G_T) || 6221 (adapter->hw.device_id == IXGBE_DEV_ID_X550EM_A_1G_T_L)) { 6222 adapter->feat_cap |= IXGBE_FEATURE_TEMP_SENSOR; 6223 adapter->feat_cap |= IXGBE_FEATURE_EEE; 6224 } 6225 break; 6226 case ixgbe_mac_82599EB: 6227 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 6228 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 6229 if ((adapter->hw.device_id == IXGBE_DEV_ID_82599_BYPASS) && 6230 (adapter->hw.bus.func == 0)) 6231 adapter->feat_cap |= IXGBE_FEATURE_BYPASS; 6232 if (adapter->hw.device_id == IXGBE_DEV_ID_82599_QSFP_SF_QP) 6233 adapter->feat_cap &= ~IXGBE_FEATURE_LEGACY_IRQ; 6234 break; 6235 default: 6236 break; 6237 } 6238 6239 /* Enabled by default... */ 6240 /* Fan failure detection */ 6241 if (adapter->feat_cap & IXGBE_FEATURE_FAN_FAIL) 6242 adapter->feat_en |= IXGBE_FEATURE_FAN_FAIL; 6243 /* Netmap */ 6244 if (adapter->feat_cap & IXGBE_FEATURE_NETMAP) 6245 adapter->feat_en |= IXGBE_FEATURE_NETMAP; 6246 /* EEE */ 6247 if (adapter->feat_cap & IXGBE_FEATURE_EEE) 6248 adapter->feat_en |= IXGBE_FEATURE_EEE; 6249 /* Thermal Sensor */ 6250 if (adapter->feat_cap & IXGBE_FEATURE_TEMP_SENSOR) 6251 adapter->feat_en |= IXGBE_FEATURE_TEMP_SENSOR; 6252 /* 6253 * Recovery mode: 6254 * NetBSD: IXGBE_FEATURE_RECOVERY_MODE will be controlled after reading 6255 * NVM Image version. 6256 */ 6257 6258 /* Enabled via global sysctl... */ 6259 /* Flow Director */ 6260 if (ixgbe_enable_fdir) { 6261 if (adapter->feat_cap & IXGBE_FEATURE_FDIR) 6262 adapter->feat_en |= IXGBE_FEATURE_FDIR; 6263 else 6264 device_printf(adapter->dev, "Device does not support Flow Director. Leaving disabled."); 6265 } 6266 /* Legacy (single queue) transmit */ 6267 if ((adapter->feat_cap & IXGBE_FEATURE_LEGACY_TX) && 6268 ixgbe_enable_legacy_tx) 6269 adapter->feat_en |= IXGBE_FEATURE_LEGACY_TX; 6270 /* 6271 * Message Signal Interrupts - Extended (MSI-X) 6272 * Normal MSI is only enabled if MSI-X calls fail. 6273 */ 6274 if (!ixgbe_enable_msix) 6275 adapter->feat_cap &= ~IXGBE_FEATURE_MSIX; 6276 /* Receive-Side Scaling (RSS) */ 6277 if ((adapter->feat_cap & IXGBE_FEATURE_RSS) && ixgbe_enable_rss) 6278 adapter->feat_en |= IXGBE_FEATURE_RSS; 6279 6280 /* Disable features with unmet dependencies... */ 6281 /* No MSI-X */ 6282 if (!(adapter->feat_cap & IXGBE_FEATURE_MSIX)) { 6283 adapter->feat_cap &= ~IXGBE_FEATURE_RSS; 6284 adapter->feat_cap &= ~IXGBE_FEATURE_SRIOV; 6285 adapter->feat_en &= ~IXGBE_FEATURE_RSS; 6286 adapter->feat_en &= ~IXGBE_FEATURE_SRIOV; 6287 } 6288 } /* ixgbe_init_device_features */ 6289 6290 /************************************************************************ 6291 * ixgbe_probe - Device identification routine 6292 * 6293 * Determines if the driver should be loaded on 6294 * adapter based on its PCI vendor/device ID. 6295 * 6296 * return BUS_PROBE_DEFAULT on success, positive on failure 6297 ************************************************************************/ 6298 static int 6299 ixgbe_probe(device_t dev, cfdata_t cf, void *aux) 6300 { 6301 const struct pci_attach_args *pa = aux; 6302 6303 return (ixgbe_lookup(pa) != NULL) ? 1 : 0; 6304 } 6305 6306 static const ixgbe_vendor_info_t * 6307 ixgbe_lookup(const struct pci_attach_args *pa) 6308 { 6309 const ixgbe_vendor_info_t *ent; 6310 pcireg_t subid; 6311 6312 INIT_DEBUGOUT("ixgbe_lookup: begin"); 6313 6314 if (PCI_VENDOR(pa->pa_id) != IXGBE_INTEL_VENDOR_ID) 6315 return NULL; 6316 6317 subid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG); 6318 6319 for (ent = ixgbe_vendor_info_array; ent->vendor_id != 0; ent++) { 6320 if ((PCI_VENDOR(pa->pa_id) == ent->vendor_id) && 6321 (PCI_PRODUCT(pa->pa_id) == ent->device_id) && 6322 ((PCI_SUBSYS_VENDOR(subid) == ent->subvendor_id) || 6323 (ent->subvendor_id == 0)) && 6324 ((PCI_SUBSYS_ID(subid) == ent->subdevice_id) || 6325 (ent->subdevice_id == 0))) { 6326 return ent; 6327 } 6328 } 6329 return NULL; 6330 } 6331 6332 static int 6333 ixgbe_ifflags_cb(struct ethercom *ec) 6334 { 6335 struct ifnet *ifp = &ec->ec_if; 6336 struct adapter *adapter = ifp->if_softc; 6337 u_short change; 6338 int rv = 0; 6339 6340 IXGBE_CORE_LOCK(adapter); 6341 6342 change = ifp->if_flags ^ adapter->if_flags; 6343 if (change != 0) 6344 adapter->if_flags = ifp->if_flags; 6345 6346 if ((change & ~(IFF_CANTCHANGE | IFF_DEBUG)) != 0) { 6347 rv = ENETRESET; 6348 goto out; 6349 } else if ((change & IFF_PROMISC) != 0) 6350 ixgbe_set_rxfilter(adapter); 6351 6352 /* Check for ec_capenable. */ 6353 change = ec->ec_capenable ^ adapter->ec_capenable; 6354 adapter->ec_capenable = ec->ec_capenable; 6355 if ((change & ~(ETHERCAP_VLAN_MTU | ETHERCAP_VLAN_HWTAGGING 6356 | ETHERCAP_VLAN_HWFILTER)) != 0) { 6357 rv = ENETRESET; 6358 goto out; 6359 } 6360 6361 /* 6362 * Special handling is not required for ETHERCAP_VLAN_MTU. 6363 * MAXFRS(MHADD) does not include the 4bytes of the VLAN header. 6364 */ 6365 6366 /* Set up VLAN support and filter */ 6367 if ((change & (ETHERCAP_VLAN_HWTAGGING | ETHERCAP_VLAN_HWFILTER)) != 0) 6368 ixgbe_setup_vlan_hw_support(adapter); 6369 6370 out: 6371 IXGBE_CORE_UNLOCK(adapter); 6372 6373 return rv; 6374 } 6375 6376 /************************************************************************ 6377 * ixgbe_ioctl - Ioctl entry point 6378 * 6379 * Called when the user wants to configure the interface. 6380 * 6381 * return 0 on success, positive on failure 6382 ************************************************************************/ 6383 static int 6384 ixgbe_ioctl(struct ifnet *ifp, u_long command, void *data) 6385 { 6386 struct adapter *adapter = ifp->if_softc; 6387 struct ixgbe_hw *hw = &adapter->hw; 6388 struct ifcapreq *ifcr = data; 6389 struct ifreq *ifr = data; 6390 int error = 0; 6391 int l4csum_en; 6392 const int l4csum = IFCAP_CSUM_TCPv4_Rx | IFCAP_CSUM_UDPv4_Rx | 6393 IFCAP_CSUM_TCPv6_Rx | IFCAP_CSUM_UDPv6_Rx; 6394 6395 if (ixgbe_fw_recovery_mode_swflag(adapter)) 6396 return (EPERM); 6397 6398 switch (command) { 6399 case SIOCSIFFLAGS: 6400 IOCTL_DEBUGOUT("ioctl: SIOCSIFFLAGS (Set Interface Flags)"); 6401 break; 6402 case SIOCADDMULTI: 6403 case SIOCDELMULTI: 6404 IOCTL_DEBUGOUT("ioctl: SIOC(ADD|DEL)MULTI"); 6405 break; 6406 case SIOCSIFMEDIA: 6407 case SIOCGIFMEDIA: 6408 IOCTL_DEBUGOUT("ioctl: SIOCxIFMEDIA (Get/Set Interface Media)"); 6409 break; 6410 case SIOCSIFCAP: 6411 IOCTL_DEBUGOUT("ioctl: SIOCSIFCAP (Set Capabilities)"); 6412 break; 6413 case SIOCSIFMTU: 6414 IOCTL_DEBUGOUT("ioctl: SIOCSIFMTU (Set Interface MTU)"); 6415 break; 6416 #ifdef __NetBSD__ 6417 case SIOCINITIFADDR: 6418 IOCTL_DEBUGOUT("ioctl: SIOCINITIFADDR"); 6419 break; 6420 case SIOCGIFFLAGS: 6421 IOCTL_DEBUGOUT("ioctl: SIOCGIFFLAGS"); 6422 break; 6423 case SIOCGIFAFLAG_IN: 6424 IOCTL_DEBUGOUT("ioctl: SIOCGIFAFLAG_IN"); 6425 break; 6426 case SIOCGIFADDR: 6427 IOCTL_DEBUGOUT("ioctl: SIOCGIFADDR"); 6428 break; 6429 case SIOCGIFMTU: 6430 IOCTL_DEBUGOUT("ioctl: SIOCGIFMTU (Get Interface MTU)"); 6431 break; 6432 case SIOCGIFCAP: 6433 IOCTL_DEBUGOUT("ioctl: SIOCGIFCAP (Get IF cap)"); 6434 break; 6435 case SIOCGETHERCAP: 6436 IOCTL_DEBUGOUT("ioctl: SIOCGETHERCAP (Get ethercap)"); 6437 break; 6438 case SIOCGLIFADDR: 6439 IOCTL_DEBUGOUT("ioctl: SIOCGLIFADDR (Get Interface addr)"); 6440 break; 6441 case SIOCZIFDATA: 6442 IOCTL_DEBUGOUT("ioctl: SIOCZIFDATA (Zero counter)"); 6443 hw->mac.ops.clear_hw_cntrs(hw); 6444 ixgbe_clear_evcnt(adapter); 6445 break; 6446 case SIOCAIFADDR: 6447 IOCTL_DEBUGOUT("ioctl: SIOCAIFADDR (add/chg IF alias)"); 6448 break; 6449 #endif 6450 default: 6451 IOCTL_DEBUGOUT1("ioctl: UNKNOWN (0x%X)", (int)command); 6452 break; 6453 } 6454 6455 switch (command) { 6456 case SIOCGI2C: 6457 { 6458 struct ixgbe_i2c_req i2c; 6459 6460 IOCTL_DEBUGOUT("ioctl: SIOCGI2C (Get I2C Data)"); 6461 error = copyin(ifr->ifr_data, &i2c, sizeof(i2c)); 6462 if (error != 0) 6463 break; 6464 if (i2c.dev_addr != 0xA0 && i2c.dev_addr != 0xA2) { 6465 error = EINVAL; 6466 break; 6467 } 6468 if (i2c.len > sizeof(i2c.data)) { 6469 error = EINVAL; 6470 break; 6471 } 6472 6473 hw->phy.ops.read_i2c_byte(hw, i2c.offset, 6474 i2c.dev_addr, i2c.data); 6475 error = copyout(&i2c, ifr->ifr_data, sizeof(i2c)); 6476 break; 6477 } 6478 case SIOCSIFCAP: 6479 /* Layer-4 Rx checksum offload has to be turned on and 6480 * off as a unit. 6481 */ 6482 l4csum_en = ifcr->ifcr_capenable & l4csum; 6483 if (l4csum_en != l4csum && l4csum_en != 0) 6484 return EINVAL; 6485 /*FALLTHROUGH*/ 6486 case SIOCADDMULTI: 6487 case SIOCDELMULTI: 6488 case SIOCSIFFLAGS: 6489 case SIOCSIFMTU: 6490 default: 6491 if ((error = ether_ioctl(ifp, command, data)) != ENETRESET) 6492 return error; 6493 if ((ifp->if_flags & IFF_RUNNING) == 0) 6494 ; 6495 else if (command == SIOCSIFCAP || command == SIOCSIFMTU) { 6496 IXGBE_CORE_LOCK(adapter); 6497 if ((ifp->if_flags & IFF_RUNNING) != 0) 6498 ixgbe_init_locked(adapter); 6499 ixgbe_recalculate_max_frame(adapter); 6500 IXGBE_CORE_UNLOCK(adapter); 6501 } else if (command == SIOCADDMULTI || command == SIOCDELMULTI) { 6502 /* 6503 * Multicast list has changed; set the hardware filter 6504 * accordingly. 6505 */ 6506 IXGBE_CORE_LOCK(adapter); 6507 ixgbe_disable_intr(adapter); 6508 ixgbe_set_rxfilter(adapter); 6509 ixgbe_enable_intr(adapter); 6510 IXGBE_CORE_UNLOCK(adapter); 6511 } 6512 return 0; 6513 } 6514 6515 return error; 6516 } /* ixgbe_ioctl */ 6517 6518 /************************************************************************ 6519 * ixgbe_check_fan_failure 6520 ************************************************************************/ 6521 static void 6522 ixgbe_check_fan_failure(struct adapter *adapter, u32 reg, bool in_interrupt) 6523 { 6524 u32 mask; 6525 6526 mask = (in_interrupt) ? IXGBE_EICR_GPI_SDP1_BY_MAC(&adapter->hw) : 6527 IXGBE_ESDP_SDP1; 6528 6529 if (reg & mask) 6530 device_printf(adapter->dev, "\nCRITICAL: FAN FAILURE!! REPLACE IMMEDIATELY!!\n"); 6531 } /* ixgbe_check_fan_failure */ 6532 6533 /************************************************************************ 6534 * ixgbe_handle_que 6535 ************************************************************************/ 6536 static void 6537 ixgbe_handle_que(void *context) 6538 { 6539 struct ix_queue *que = context; 6540 struct adapter *adapter = que->adapter; 6541 struct tx_ring *txr = que->txr; 6542 struct ifnet *ifp = adapter->ifp; 6543 bool more = false; 6544 6545 que->handleq.ev_count++; 6546 6547 if (ifp->if_flags & IFF_RUNNING) { 6548 more = ixgbe_rxeof(que); 6549 IXGBE_TX_LOCK(txr); 6550 more |= ixgbe_txeof(txr); 6551 if (!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX)) 6552 if (!ixgbe_mq_ring_empty(ifp, txr->txr_interq)) 6553 ixgbe_mq_start_locked(ifp, txr); 6554 /* Only for queue 0 */ 6555 /* NetBSD still needs this for CBQ */ 6556 if ((&adapter->queues[0] == que) 6557 && (!ixgbe_legacy_ring_empty(ifp, NULL))) 6558 ixgbe_legacy_start_locked(ifp, txr); 6559 IXGBE_TX_UNLOCK(txr); 6560 } 6561 6562 if (more) { 6563 que->req.ev_count++; 6564 ixgbe_sched_handle_que(adapter, que); 6565 } else if (que->res != NULL) { 6566 /* MSIX: Re-enable this interrupt */ 6567 ixgbe_enable_queue(adapter, que->msix); 6568 } else { 6569 /* INTx or MSI */ 6570 ixgbe_enable_intr(adapter); 6571 } 6572 6573 return; 6574 } /* ixgbe_handle_que */ 6575 6576 /************************************************************************ 6577 * ixgbe_handle_que_work 6578 ************************************************************************/ 6579 static void 6580 ixgbe_handle_que_work(struct work *wk, void *context) 6581 { 6582 struct ix_queue *que = container_of(wk, struct ix_queue, wq_cookie); 6583 6584 /* 6585 * "enqueued flag" is not required here. 6586 * See ixgbe_msix_que(). 6587 */ 6588 ixgbe_handle_que(que); 6589 } 6590 6591 /************************************************************************ 6592 * ixgbe_allocate_legacy - Setup the Legacy or MSI Interrupt handler 6593 ************************************************************************/ 6594 static int 6595 ixgbe_allocate_legacy(struct adapter *adapter, 6596 const struct pci_attach_args *pa) 6597 { 6598 device_t dev = adapter->dev; 6599 struct ix_queue *que = adapter->queues; 6600 struct tx_ring *txr = adapter->tx_rings; 6601 int counts[PCI_INTR_TYPE_SIZE]; 6602 pci_intr_type_t intr_type, max_type; 6603 char intrbuf[PCI_INTRSTR_LEN]; 6604 char wqname[MAXCOMLEN]; 6605 const char *intrstr = NULL; 6606 int defertx_error = 0, error; 6607 6608 /* We allocate a single interrupt resource */ 6609 max_type = PCI_INTR_TYPE_MSI; 6610 counts[PCI_INTR_TYPE_MSIX] = 0; 6611 counts[PCI_INTR_TYPE_MSI] = 6612 (adapter->feat_en & IXGBE_FEATURE_MSI) ? 1 : 0; 6613 /* Check not feat_en but feat_cap to fallback to INTx */ 6614 counts[PCI_INTR_TYPE_INTX] = 6615 (adapter->feat_cap & IXGBE_FEATURE_LEGACY_IRQ) ? 1 : 0; 6616 6617 alloc_retry: 6618 if (pci_intr_alloc(pa, &adapter->osdep.intrs, counts, max_type) != 0) { 6619 aprint_error_dev(dev, "couldn't alloc interrupt\n"); 6620 return ENXIO; 6621 } 6622 adapter->osdep.nintrs = 1; 6623 intrstr = pci_intr_string(adapter->osdep.pc, adapter->osdep.intrs[0], 6624 intrbuf, sizeof(intrbuf)); 6625 adapter->osdep.ihs[0] = pci_intr_establish_xname(adapter->osdep.pc, 6626 adapter->osdep.intrs[0], IPL_NET, ixgbe_legacy_irq, que, 6627 device_xname(dev)); 6628 intr_type = pci_intr_type(adapter->osdep.pc, adapter->osdep.intrs[0]); 6629 if (adapter->osdep.ihs[0] == NULL) { 6630 aprint_error_dev(dev,"unable to establish %s\n", 6631 (intr_type == PCI_INTR_TYPE_MSI) ? "MSI" : "INTx"); 6632 pci_intr_release(adapter->osdep.pc, adapter->osdep.intrs, 1); 6633 adapter->osdep.intrs = NULL; 6634 switch (intr_type) { 6635 case PCI_INTR_TYPE_MSI: 6636 /* The next try is for INTx: Disable MSI */ 6637 max_type = PCI_INTR_TYPE_INTX; 6638 counts[PCI_INTR_TYPE_INTX] = 1; 6639 adapter->feat_en &= ~IXGBE_FEATURE_MSI; 6640 if (adapter->feat_cap & IXGBE_FEATURE_LEGACY_IRQ) { 6641 adapter->feat_en |= IXGBE_FEATURE_LEGACY_IRQ; 6642 goto alloc_retry; 6643 } else 6644 break; 6645 case PCI_INTR_TYPE_INTX: 6646 default: 6647 /* See below */ 6648 break; 6649 } 6650 } 6651 if (intr_type == PCI_INTR_TYPE_INTX) { 6652 adapter->feat_en &= ~IXGBE_FEATURE_MSI; 6653 adapter->feat_en |= IXGBE_FEATURE_LEGACY_IRQ; 6654 } 6655 if (adapter->osdep.ihs[0] == NULL) { 6656 aprint_error_dev(dev, 6657 "couldn't establish interrupt%s%s\n", 6658 intrstr ? " at " : "", intrstr ? intrstr : ""); 6659 pci_intr_release(adapter->osdep.pc, adapter->osdep.intrs, 1); 6660 adapter->osdep.intrs = NULL; 6661 return ENXIO; 6662 } 6663 aprint_normal_dev(dev, "interrupting at %s\n", intrstr); 6664 /* 6665 * Try allocating a fast interrupt and the associated deferred 6666 * processing contexts. 6667 */ 6668 if (!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX)) { 6669 txr->txr_si = 6670 softint_establish(SOFTINT_NET | IXGBE_SOFTINT_FLAGS, 6671 ixgbe_deferred_mq_start, txr); 6672 6673 snprintf(wqname, sizeof(wqname), "%sdeferTx", device_xname(dev)); 6674 defertx_error = workqueue_create(&adapter->txr_wq, wqname, 6675 ixgbe_deferred_mq_start_work, adapter, IXGBE_WORKQUEUE_PRI, 6676 IPL_NET, IXGBE_WORKQUEUE_FLAGS); 6677 adapter->txr_wq_enqueued = percpu_alloc(sizeof(u_int)); 6678 } 6679 que->que_si = softint_establish(SOFTINT_NET | IXGBE_SOFTINT_FLAGS, 6680 ixgbe_handle_que, que); 6681 snprintf(wqname, sizeof(wqname), "%sTxRx", device_xname(dev)); 6682 error = workqueue_create(&adapter->que_wq, wqname, 6683 ixgbe_handle_que_work, adapter, IXGBE_WORKQUEUE_PRI, IPL_NET, 6684 IXGBE_WORKQUEUE_FLAGS); 6685 6686 if ((!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX) 6687 && ((txr->txr_si == NULL) || defertx_error != 0)) 6688 || (que->que_si == NULL) || error != 0) { 6689 aprint_error_dev(dev, 6690 "could not establish software interrupts\n"); 6691 6692 return ENXIO; 6693 } 6694 /* For simplicity in the handlers */ 6695 adapter->active_queues = IXGBE_EIMS_ENABLE_MASK; 6696 6697 return (0); 6698 } /* ixgbe_allocate_legacy */ 6699 6700 /************************************************************************ 6701 * ixgbe_allocate_msix - Setup MSI-X Interrupt resources and handlers 6702 ************************************************************************/ 6703 static int 6704 ixgbe_allocate_msix(struct adapter *adapter, const struct pci_attach_args *pa) 6705 { 6706 device_t dev = adapter->dev; 6707 struct ix_queue *que = adapter->queues; 6708 struct tx_ring *txr = adapter->tx_rings; 6709 pci_chipset_tag_t pc; 6710 char intrbuf[PCI_INTRSTR_LEN]; 6711 char intr_xname[32]; 6712 char wqname[MAXCOMLEN]; 6713 const char *intrstr = NULL; 6714 int error, vector = 0; 6715 int cpu_id = 0; 6716 kcpuset_t *affinity; 6717 #ifdef RSS 6718 unsigned int rss_buckets = 0; 6719 kcpuset_t cpu_mask; 6720 #endif 6721 6722 pc = adapter->osdep.pc; 6723 #ifdef RSS 6724 /* 6725 * If we're doing RSS, the number of queues needs to 6726 * match the number of RSS buckets that are configured. 6727 * 6728 * + If there's more queues than RSS buckets, we'll end 6729 * up with queues that get no traffic. 6730 * 6731 * + If there's more RSS buckets than queues, we'll end 6732 * up having multiple RSS buckets map to the same queue, 6733 * so there'll be some contention. 6734 */ 6735 rss_buckets = rss_getnumbuckets(); 6736 if ((adapter->feat_en & IXGBE_FEATURE_RSS) && 6737 (adapter->num_queues != rss_buckets)) { 6738 device_printf(dev, 6739 "%s: number of queues (%d) != number of RSS buckets (%d)" 6740 "; performance will be impacted.\n", 6741 __func__, adapter->num_queues, rss_buckets); 6742 } 6743 #endif 6744 6745 adapter->osdep.nintrs = adapter->num_queues + 1; 6746 if (pci_msix_alloc_exact(pa, &adapter->osdep.intrs, 6747 adapter->osdep.nintrs) != 0) { 6748 aprint_error_dev(dev, 6749 "failed to allocate MSI-X interrupt\n"); 6750 return (ENXIO); 6751 } 6752 6753 kcpuset_create(&affinity, false); 6754 for (int i = 0; i < adapter->num_queues; i++, vector++, que++, txr++) { 6755 snprintf(intr_xname, sizeof(intr_xname), "%s TXRX%d", 6756 device_xname(dev), i); 6757 intrstr = pci_intr_string(pc, adapter->osdep.intrs[i], intrbuf, 6758 sizeof(intrbuf)); 6759 #ifdef IXGBE_MPSAFE 6760 pci_intr_setattr(pc, &adapter->osdep.intrs[i], PCI_INTR_MPSAFE, 6761 true); 6762 #endif 6763 /* Set the handler function */ 6764 que->res = adapter->osdep.ihs[i] = pci_intr_establish_xname(pc, 6765 adapter->osdep.intrs[i], IPL_NET, ixgbe_msix_que, que, 6766 intr_xname); 6767 if (que->res == NULL) { 6768 aprint_error_dev(dev, 6769 "Failed to register QUE handler\n"); 6770 error = ENXIO; 6771 goto err_out; 6772 } 6773 que->msix = vector; 6774 adapter->active_queues |= 1ULL << que->msix; 6775 6776 if (adapter->feat_en & IXGBE_FEATURE_RSS) { 6777 #ifdef RSS 6778 /* 6779 * The queue ID is used as the RSS layer bucket ID. 6780 * We look up the queue ID -> RSS CPU ID and select 6781 * that. 6782 */ 6783 cpu_id = rss_getcpu(i % rss_getnumbuckets()); 6784 CPU_SETOF(cpu_id, &cpu_mask); 6785 #endif 6786 } else { 6787 /* 6788 * Bind the MSI-X vector, and thus the 6789 * rings to the corresponding CPU. 6790 * 6791 * This just happens to match the default RSS 6792 * round-robin bucket -> queue -> CPU allocation. 6793 */ 6794 if (adapter->num_queues > 1) 6795 cpu_id = i; 6796 } 6797 /* Round-robin affinity */ 6798 kcpuset_zero(affinity); 6799 kcpuset_set(affinity, cpu_id % ncpu); 6800 error = interrupt_distribute(adapter->osdep.ihs[i], affinity, 6801 NULL); 6802 aprint_normal_dev(dev, "for TX/RX, interrupting at %s", 6803 intrstr); 6804 if (error == 0) { 6805 #if 1 /* def IXGBE_DEBUG */ 6806 #ifdef RSS 6807 aprintf_normal(", bound RSS bucket %d to CPU %d", i, 6808 cpu_id % ncpu); 6809 #else 6810 aprint_normal(", bound queue %d to cpu %d", i, 6811 cpu_id % ncpu); 6812 #endif 6813 #endif /* IXGBE_DEBUG */ 6814 } 6815 aprint_normal("\n"); 6816 6817 if (!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX)) { 6818 txr->txr_si = softint_establish( 6819 SOFTINT_NET | IXGBE_SOFTINT_FLAGS, 6820 ixgbe_deferred_mq_start, txr); 6821 if (txr->txr_si == NULL) { 6822 aprint_error_dev(dev, 6823 "couldn't establish software interrupt\n"); 6824 error = ENXIO; 6825 goto err_out; 6826 } 6827 } 6828 que->que_si 6829 = softint_establish(SOFTINT_NET | IXGBE_SOFTINT_FLAGS, 6830 ixgbe_handle_que, que); 6831 if (que->que_si == NULL) { 6832 aprint_error_dev(dev, 6833 "couldn't establish software interrupt\n"); 6834 error = ENXIO; 6835 goto err_out; 6836 } 6837 } 6838 snprintf(wqname, sizeof(wqname), "%sdeferTx", device_xname(dev)); 6839 error = workqueue_create(&adapter->txr_wq, wqname, 6840 ixgbe_deferred_mq_start_work, adapter, IXGBE_WORKQUEUE_PRI, IPL_NET, 6841 IXGBE_WORKQUEUE_FLAGS); 6842 if (error) { 6843 aprint_error_dev(dev, "couldn't create workqueue for deferred Tx\n"); 6844 goto err_out; 6845 } 6846 adapter->txr_wq_enqueued = percpu_alloc(sizeof(u_int)); 6847 6848 snprintf(wqname, sizeof(wqname), "%sTxRx", device_xname(dev)); 6849 error = workqueue_create(&adapter->que_wq, wqname, 6850 ixgbe_handle_que_work, adapter, IXGBE_WORKQUEUE_PRI, IPL_NET, 6851 IXGBE_WORKQUEUE_FLAGS); 6852 if (error) { 6853 aprint_error_dev(dev, "couldn't create workqueue for Tx/Rx\n"); 6854 goto err_out; 6855 } 6856 6857 /* and Link */ 6858 cpu_id++; 6859 snprintf(intr_xname, sizeof(intr_xname), "%s link", device_xname(dev)); 6860 adapter->vector = vector; 6861 intrstr = pci_intr_string(pc, adapter->osdep.intrs[vector], intrbuf, 6862 sizeof(intrbuf)); 6863 #ifdef IXGBE_MPSAFE 6864 pci_intr_setattr(pc, &adapter->osdep.intrs[vector], PCI_INTR_MPSAFE, 6865 true); 6866 #endif 6867 /* Set the link handler function */ 6868 adapter->osdep.ihs[vector] = pci_intr_establish_xname(pc, 6869 adapter->osdep.intrs[vector], IPL_NET, ixgbe_msix_admin, adapter, 6870 intr_xname); 6871 if (adapter->osdep.ihs[vector] == NULL) { 6872 aprint_error_dev(dev, "Failed to register LINK handler\n"); 6873 error = ENXIO; 6874 goto err_out; 6875 } 6876 /* Round-robin affinity */ 6877 kcpuset_zero(affinity); 6878 kcpuset_set(affinity, cpu_id % ncpu); 6879 error = interrupt_distribute(adapter->osdep.ihs[vector], affinity, 6880 NULL); 6881 6882 aprint_normal_dev(dev, 6883 "for link, interrupting at %s", intrstr); 6884 if (error == 0) 6885 aprint_normal(", affinity to cpu %d\n", cpu_id % ncpu); 6886 else 6887 aprint_normal("\n"); 6888 6889 kcpuset_destroy(affinity); 6890 aprint_normal_dev(dev, 6891 "Using MSI-X interrupts with %d vectors\n", vector + 1); 6892 6893 return (0); 6894 6895 err_out: 6896 kcpuset_destroy(affinity); 6897 ixgbe_free_deferred_handlers(adapter); 6898 ixgbe_free_pciintr_resources(adapter); 6899 return (error); 6900 } /* ixgbe_allocate_msix */ 6901 6902 /************************************************************************ 6903 * ixgbe_configure_interrupts 6904 * 6905 * Setup MSI-X, MSI, or legacy interrupts (in that order). 6906 * This will also depend on user settings. 6907 ************************************************************************/ 6908 static int 6909 ixgbe_configure_interrupts(struct adapter *adapter) 6910 { 6911 device_t dev = adapter->dev; 6912 struct ixgbe_mac_info *mac = &adapter->hw.mac; 6913 int want, queues, msgs; 6914 6915 /* Default to 1 queue if MSI-X setup fails */ 6916 adapter->num_queues = 1; 6917 6918 /* Override by tuneable */ 6919 if (!(adapter->feat_cap & IXGBE_FEATURE_MSIX)) 6920 goto msi; 6921 6922 /* 6923 * NetBSD only: Use single vector MSI when number of CPU is 1 to save 6924 * interrupt slot. 6925 */ 6926 if (ncpu == 1) 6927 goto msi; 6928 6929 /* First try MSI-X */ 6930 msgs = pci_msix_count(adapter->osdep.pc, adapter->osdep.tag); 6931 msgs = MIN(msgs, IXG_MAX_NINTR); 6932 if (msgs < 2) 6933 goto msi; 6934 6935 adapter->msix_mem = (void *)1; /* XXX */ 6936 6937 /* Figure out a reasonable auto config value */ 6938 queues = (ncpu > (msgs - 1)) ? (msgs - 1) : ncpu; 6939 6940 #ifdef RSS 6941 /* If we're doing RSS, clamp at the number of RSS buckets */ 6942 if (adapter->feat_en & IXGBE_FEATURE_RSS) 6943 queues = uimin(queues, rss_getnumbuckets()); 6944 #endif 6945 if (ixgbe_num_queues > queues) { 6946 aprint_error_dev(adapter->dev, "ixgbe_num_queues (%d) is too large, using reduced amount (%d).\n", ixgbe_num_queues, queues); 6947 ixgbe_num_queues = queues; 6948 } 6949 6950 if (ixgbe_num_queues != 0) 6951 queues = ixgbe_num_queues; 6952 else 6953 queues = uimin(queues, 6954 uimin(mac->max_tx_queues, mac->max_rx_queues)); 6955 6956 /* reflect correct sysctl value */ 6957 ixgbe_num_queues = queues; 6958 6959 /* 6960 * Want one vector (RX/TX pair) per queue 6961 * plus an additional for Link. 6962 */ 6963 want = queues + 1; 6964 if (msgs >= want) 6965 msgs = want; 6966 else { 6967 aprint_error_dev(dev, "MSI-X Configuration Problem, " 6968 "%d vectors but %d queues wanted!\n", 6969 msgs, want); 6970 goto msi; 6971 } 6972 adapter->num_queues = queues; 6973 adapter->feat_en |= IXGBE_FEATURE_MSIX; 6974 return (0); 6975 6976 /* 6977 * MSI-X allocation failed or provided us with 6978 * less vectors than needed. Free MSI-X resources 6979 * and we'll try enabling MSI. 6980 */ 6981 msi: 6982 /* Without MSI-X, some features are no longer supported */ 6983 adapter->feat_cap &= ~IXGBE_FEATURE_RSS; 6984 adapter->feat_en &= ~IXGBE_FEATURE_RSS; 6985 adapter->feat_cap &= ~IXGBE_FEATURE_SRIOV; 6986 adapter->feat_en &= ~IXGBE_FEATURE_SRIOV; 6987 6988 msgs = pci_msi_count(adapter->osdep.pc, adapter->osdep.tag); 6989 adapter->msix_mem = NULL; /* XXX */ 6990 if (msgs > 1) 6991 msgs = 1; 6992 if (msgs != 0) { 6993 msgs = 1; 6994 adapter->feat_en |= IXGBE_FEATURE_MSI; 6995 return (0); 6996 } 6997 6998 if (!(adapter->feat_cap & IXGBE_FEATURE_LEGACY_IRQ)) { 6999 aprint_error_dev(dev, 7000 "Device does not support legacy interrupts.\n"); 7001 return 1; 7002 } 7003 7004 adapter->feat_en |= IXGBE_FEATURE_LEGACY_IRQ; 7005 7006 return (0); 7007 } /* ixgbe_configure_interrupts */ 7008 7009 7010 /************************************************************************ 7011 * ixgbe_handle_link - Tasklet for MSI-X Link interrupts 7012 * 7013 * Done outside of interrupt context since the driver might sleep 7014 ************************************************************************/ 7015 static void 7016 ixgbe_handle_link(void *context) 7017 { 7018 struct adapter *adapter = context; 7019 struct ixgbe_hw *hw = &adapter->hw; 7020 7021 KASSERT(mutex_owned(&adapter->core_mtx)); 7022 7023 ++adapter->link_workev.ev_count; 7024 ixgbe_check_link(hw, &adapter->link_speed, &adapter->link_up, 0); 7025 ixgbe_update_link_status(adapter); 7026 7027 /* Re-enable link interrupts */ 7028 IXGBE_WRITE_REG(hw, IXGBE_EIMS, IXGBE_EIMS_LSC); 7029 } /* ixgbe_handle_link */ 7030 7031 #if 0 7032 /************************************************************************ 7033 * ixgbe_rearm_queues 7034 ************************************************************************/ 7035 static __inline void 7036 ixgbe_rearm_queues(struct adapter *adapter, u64 queues) 7037 { 7038 u32 mask; 7039 7040 switch (adapter->hw.mac.type) { 7041 case ixgbe_mac_82598EB: 7042 mask = (IXGBE_EIMS_RTX_QUEUE & queues); 7043 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS, mask); 7044 break; 7045 case ixgbe_mac_82599EB: 7046 case ixgbe_mac_X540: 7047 case ixgbe_mac_X550: 7048 case ixgbe_mac_X550EM_x: 7049 case ixgbe_mac_X550EM_a: 7050 mask = (queues & 0xFFFFFFFF); 7051 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS_EX(0), mask); 7052 mask = (queues >> 32); 7053 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS_EX(1), mask); 7054 break; 7055 default: 7056 break; 7057 } 7058 } /* ixgbe_rearm_queues */ 7059 #endif 7060
Indexes created Tue Sep 30 11:09:46 GMT 2025