ixgbe.c revision 1.257
1 /* $NetBSD: ixgbe.c,v 1.257 2020/09/07 05:50:58 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 snprintf(wqname, sizeof(wqname), "%s-admin", device_xname(dev)); 1140 error = workqueue_create(&adapter->admin_wq, wqname, 1141 ixgbe_handle_admin, adapter, IXGBE_WORKQUEUE_PRI, IPL_NET, 1142 IXGBE_TASKLET_WQ_FLAGS); 1143 if (error) { 1144 aprint_error_dev(dev, 1145 "could not create admin workqueue (%d)\n", error); 1146 goto err_out; 1147 } 1148 1149 error = ixgbe_start_hw(hw); 1150 switch (error) { 1151 case IXGBE_ERR_EEPROM_VERSION: 1152 aprint_error_dev(dev, "This device is a pre-production adapter/" 1153 "LOM. Please be aware there may be issues associated " 1154 "with your hardware.\nIf you are experiencing problems " 1155 "please contact your Intel or hardware representative " 1156 "who provided you with this hardware.\n"); 1157 break; 1158 default: 1159 break; 1160 } 1161 1162 /* Setup OS specific network interface */ 1163 if (ixgbe_setup_interface(dev, adapter) != 0) 1164 goto err_late; 1165 1166 /* 1167 * Print PHY ID only for copper PHY. On device which has SFP(+) cage 1168 * and a module is inserted, phy.id is not MII PHY id but SFF 8024 ID. 1169 */ 1170 if (hw->phy.media_type == ixgbe_media_type_copper) { 1171 uint16_t id1, id2; 1172 int oui, model, rev; 1173 const char *descr; 1174 1175 id1 = hw->phy.id >> 16; 1176 id2 = hw->phy.id & 0xffff; 1177 oui = MII_OUI(id1, id2); 1178 model = MII_MODEL(id2); 1179 rev = MII_REV(id2); 1180 if ((descr = mii_get_descr(oui, model)) != NULL) 1181 aprint_normal_dev(dev, 1182 "PHY: %s (OUI 0x%06x, model 0x%04x), rev. %d\n", 1183 descr, oui, model, rev); 1184 else 1185 aprint_normal_dev(dev, 1186 "PHY OUI 0x%06x, model 0x%04x, rev. %d\n", 1187 oui, model, rev); 1188 } 1189 1190 /* Enable EEE power saving */ 1191 if (adapter->feat_cap & IXGBE_FEATURE_EEE) 1192 hw->mac.ops.setup_eee(hw, 1193 adapter->feat_en & IXGBE_FEATURE_EEE); 1194 1195 /* Enable power to the phy. */ 1196 if (!unsupported_sfp) { 1197 /* Enable the optics for 82599 SFP+ fiber */ 1198 ixgbe_enable_tx_laser(hw); 1199 1200 /* 1201 * XXX Currently, ixgbe_set_phy_power() supports only copper 1202 * PHY, so it's not required to test with !unsupported_sfp. 1203 */ 1204 ixgbe_set_phy_power(hw, TRUE); 1205 } 1206 1207 /* Initialize statistics */ 1208 ixgbe_update_stats_counters(adapter); 1209 1210 /* Check PCIE slot type/speed/width */ 1211 ixgbe_get_slot_info(adapter); 1212 1213 /* 1214 * Do time init and sysctl init here, but 1215 * only on the first port of a bypass adapter. 1216 */ 1217 ixgbe_bypass_init(adapter); 1218 1219 /* Set an initial dmac value */ 1220 adapter->dmac = 0; 1221 /* Set initial advertised speeds (if applicable) */ 1222 adapter->advertise = ixgbe_get_advertise(adapter); 1223 1224 if (adapter->feat_cap & IXGBE_FEATURE_SRIOV) 1225 ixgbe_define_iov_schemas(dev, &error); 1226 1227 /* Add sysctls */ 1228 ixgbe_add_device_sysctls(adapter); 1229 ixgbe_add_hw_stats(adapter); 1230 1231 /* For Netmap */ 1232 adapter->init_locked = ixgbe_init_locked; 1233 adapter->stop_locked = ixgbe_stop_locked; 1234 1235 if (adapter->feat_en & IXGBE_FEATURE_NETMAP) 1236 ixgbe_netmap_attach(adapter); 1237 1238 snprintb(buf, sizeof(buf), IXGBE_FEATURE_FLAGS, adapter->feat_cap); 1239 aprint_verbose_dev(dev, "feature cap %s\n", buf); 1240 snprintb(buf, sizeof(buf), IXGBE_FEATURE_FLAGS, adapter->feat_en); 1241 aprint_verbose_dev(dev, "feature ena %s\n", buf); 1242 1243 if (pmf_device_register(dev, ixgbe_suspend, ixgbe_resume)) 1244 pmf_class_network_register(dev, adapter->ifp); 1245 else 1246 aprint_error_dev(dev, "couldn't establish power handler\n"); 1247 1248 /* Init recovery mode timer and state variable */ 1249 if (adapter->feat_en & IXGBE_FEATURE_RECOVERY_MODE) { 1250 adapter->recovery_mode = 0; 1251 1252 /* Set up the timer callout */ 1253 callout_init(&adapter->recovery_mode_timer, 1254 IXGBE_CALLOUT_FLAGS); 1255 snprintf(wqname, sizeof(wqname), "%s-recovery", 1256 device_xname(dev)); 1257 error = workqueue_create(&adapter->recovery_mode_timer_wq, 1258 wqname, ixgbe_handle_recovery_mode_timer, adapter, 1259 IXGBE_WORKQUEUE_PRI, IPL_NET, IXGBE_TASKLET_WQ_FLAGS); 1260 if (error) { 1261 aprint_error_dev(dev, "could not create " 1262 "recovery_mode_timer workqueue (%d)\n", error); 1263 goto err_out; 1264 } 1265 1266 /* Start the task */ 1267 callout_reset(&adapter->recovery_mode_timer, hz, 1268 ixgbe_recovery_mode_timer, adapter); 1269 } 1270 1271 INIT_DEBUGOUT("ixgbe_attach: end"); 1272 adapter->osdep.attached = true; 1273 1274 return; 1275 1276 err_late: 1277 ixgbe_free_queues(adapter); 1278 err_out: 1279 ctrl_ext = IXGBE_READ_REG(&adapter->hw, IXGBE_CTRL_EXT); 1280 ctrl_ext &= ~IXGBE_CTRL_EXT_DRV_LOAD; 1281 IXGBE_WRITE_REG(&adapter->hw, IXGBE_CTRL_EXT, ctrl_ext); 1282 ixgbe_free_deferred_handlers(adapter); 1283 ixgbe_free_pci_resources(adapter); 1284 if (adapter->mta != NULL) 1285 free(adapter->mta, M_DEVBUF); 1286 IXGBE_CORE_LOCK_DESTROY(adapter); 1287 1288 return; 1289 } /* ixgbe_attach */ 1290 1291 /************************************************************************ 1292 * ixgbe_check_wol_support 1293 * 1294 * Checks whether the adapter's ports are capable of 1295 * Wake On LAN by reading the adapter's NVM. 1296 * 1297 * Sets each port's hw->wol_enabled value depending 1298 * on the value read here. 1299 ************************************************************************/ 1300 static void 1301 ixgbe_check_wol_support(struct adapter *adapter) 1302 { 1303 struct ixgbe_hw *hw = &adapter->hw; 1304 u16 dev_caps = 0; 1305 1306 /* Find out WoL support for port */ 1307 adapter->wol_support = hw->wol_enabled = 0; 1308 ixgbe_get_device_caps(hw, &dev_caps); 1309 if ((dev_caps & IXGBE_DEVICE_CAPS_WOL_PORT0_1) || 1310 ((dev_caps & IXGBE_DEVICE_CAPS_WOL_PORT0) && 1311 hw->bus.func == 0)) 1312 adapter->wol_support = hw->wol_enabled = 1; 1313 1314 /* Save initial wake up filter configuration */ 1315 adapter->wufc = IXGBE_READ_REG(hw, IXGBE_WUFC); 1316 1317 return; 1318 } /* ixgbe_check_wol_support */ 1319 1320 /************************************************************************ 1321 * ixgbe_setup_interface 1322 * 1323 * Setup networking device structure and register an interface. 1324 ************************************************************************/ 1325 static int 1326 ixgbe_setup_interface(device_t dev, struct adapter *adapter) 1327 { 1328 struct ethercom *ec = &adapter->osdep.ec; 1329 struct ifnet *ifp; 1330 int rv; 1331 1332 INIT_DEBUGOUT("ixgbe_setup_interface: begin"); 1333 1334 ifp = adapter->ifp = &ec->ec_if; 1335 strlcpy(ifp->if_xname, device_xname(dev), IFNAMSIZ); 1336 ifp->if_baudrate = IF_Gbps(10); 1337 ifp->if_init = ixgbe_init; 1338 ifp->if_stop = ixgbe_ifstop; 1339 ifp->if_softc = adapter; 1340 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 1341 #ifdef IXGBE_MPSAFE 1342 ifp->if_extflags = IFEF_MPSAFE; 1343 #endif 1344 ifp->if_ioctl = ixgbe_ioctl; 1345 #if __FreeBSD_version >= 1100045 1346 /* TSO parameters */ 1347 ifp->if_hw_tsomax = 65518; 1348 ifp->if_hw_tsomaxsegcount = IXGBE_82599_SCATTER; 1349 ifp->if_hw_tsomaxsegsize = 2048; 1350 #endif 1351 if (adapter->feat_en & IXGBE_FEATURE_LEGACY_TX) { 1352 #if 0 1353 ixgbe_start_locked = ixgbe_legacy_start_locked; 1354 #endif 1355 } else { 1356 ifp->if_transmit = ixgbe_mq_start; 1357 #if 0 1358 ixgbe_start_locked = ixgbe_mq_start_locked; 1359 #endif 1360 } 1361 ifp->if_start = ixgbe_legacy_start; 1362 IFQ_SET_MAXLEN(&ifp->if_snd, adapter->num_tx_desc - 2); 1363 IFQ_SET_READY(&ifp->if_snd); 1364 1365 rv = if_initialize(ifp); 1366 if (rv != 0) { 1367 aprint_error_dev(dev, "if_initialize failed(%d)\n", rv); 1368 return rv; 1369 } 1370 adapter->ipq = if_percpuq_create(&adapter->osdep.ec.ec_if); 1371 ether_ifattach(ifp, adapter->hw.mac.addr); 1372 aprint_normal_dev(dev, "Ethernet address %s\n", 1373 ether_sprintf(adapter->hw.mac.addr)); 1374 /* 1375 * We use per TX queue softint, so if_deferred_start_init() isn't 1376 * used. 1377 */ 1378 ether_set_ifflags_cb(ec, ixgbe_ifflags_cb); 1379 1380 adapter->max_frame_size = ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN; 1381 1382 /* 1383 * Tell the upper layer(s) we support long frames. 1384 */ 1385 ifp->if_hdrlen = sizeof(struct ether_vlan_header); 1386 1387 /* Set capability flags */ 1388 ifp->if_capabilities |= IFCAP_RXCSUM 1389 | IFCAP_TXCSUM 1390 | IFCAP_TSOv4 1391 | IFCAP_TSOv6; 1392 ifp->if_capenable = 0; 1393 1394 ec->ec_capabilities |= ETHERCAP_VLAN_HWTAGGING 1395 | ETHERCAP_VLAN_HWCSUM 1396 | ETHERCAP_JUMBO_MTU 1397 | ETHERCAP_VLAN_MTU; 1398 1399 /* Enable the above capabilities by default */ 1400 ec->ec_capenable = ec->ec_capabilities; 1401 1402 /* 1403 * Don't turn this on by default, if vlans are 1404 * created on another pseudo device (eg. lagg) 1405 * then vlan events are not passed thru, breaking 1406 * operation, but with HW FILTER off it works. If 1407 * using vlans directly on the ixgbe driver you can 1408 * enable this and get full hardware tag filtering. 1409 */ 1410 ec->ec_capabilities |= ETHERCAP_VLAN_HWFILTER; 1411 1412 /* 1413 * Specify the media types supported by this adapter and register 1414 * callbacks to update media and link information 1415 */ 1416 ec->ec_ifmedia = &adapter->media; 1417 ifmedia_init_with_lock(&adapter->media, IFM_IMASK, ixgbe_media_change, 1418 ixgbe_media_status, &adapter->core_mtx); 1419 1420 adapter->phy_layer = ixgbe_get_supported_physical_layer(&adapter->hw); 1421 ixgbe_add_media_types(adapter); 1422 1423 /* Set autoselect media by default */ 1424 ifmedia_set(&adapter->media, IFM_ETHER | IFM_AUTO); 1425 1426 if_register(ifp); 1427 1428 return (0); 1429 } /* ixgbe_setup_interface */ 1430 1431 /************************************************************************ 1432 * ixgbe_add_media_types 1433 ************************************************************************/ 1434 static void 1435 ixgbe_add_media_types(struct adapter *adapter) 1436 { 1437 struct ixgbe_hw *hw = &adapter->hw; 1438 u64 layer; 1439 1440 layer = adapter->phy_layer; 1441 1442 #define ADD(mm, dd) \ 1443 ifmedia_add(&adapter->media, IFM_ETHER | (mm), (dd), NULL); 1444 1445 ADD(IFM_NONE, 0); 1446 1447 /* Media types with matching NetBSD media defines */ 1448 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_T) { 1449 ADD(IFM_10G_T | IFM_FDX, 0); 1450 } 1451 if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_T) { 1452 ADD(IFM_1000_T | IFM_FDX, 0); 1453 } 1454 if (layer & IXGBE_PHYSICAL_LAYER_100BASE_TX) { 1455 ADD(IFM_100_TX | IFM_FDX, 0); 1456 } 1457 if (layer & IXGBE_PHYSICAL_LAYER_10BASE_T) { 1458 ADD(IFM_10_T | IFM_FDX, 0); 1459 } 1460 1461 if (layer & IXGBE_PHYSICAL_LAYER_SFP_PLUS_CU || 1462 layer & IXGBE_PHYSICAL_LAYER_SFP_ACTIVE_DA) { 1463 ADD(IFM_10G_TWINAX | IFM_FDX, 0); 1464 } 1465 1466 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_LR) { 1467 ADD(IFM_10G_LR | IFM_FDX, 0); 1468 if (hw->phy.multispeed_fiber) { 1469 ADD(IFM_1000_LX | IFM_FDX, 0); 1470 } 1471 } 1472 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_SR) { 1473 ADD(IFM_10G_SR | IFM_FDX, 0); 1474 if (hw->phy.multispeed_fiber) { 1475 ADD(IFM_1000_SX | IFM_FDX, 0); 1476 } 1477 } else if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_SX) { 1478 ADD(IFM_1000_SX | IFM_FDX, 0); 1479 } 1480 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_CX4) { 1481 ADD(IFM_10G_CX4 | IFM_FDX, 0); 1482 } 1483 1484 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KR) { 1485 ADD(IFM_10G_KR | IFM_FDX, 0); 1486 } 1487 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KX4) { 1488 ADD(IFM_10G_KX4 | IFM_FDX, 0); 1489 } 1490 if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_KX) { 1491 ADD(IFM_1000_KX | IFM_FDX, 0); 1492 } 1493 if (layer & IXGBE_PHYSICAL_LAYER_2500BASE_KX) { 1494 ADD(IFM_2500_KX | IFM_FDX, 0); 1495 } 1496 if (layer & IXGBE_PHYSICAL_LAYER_2500BASE_T) { 1497 ADD(IFM_2500_T | IFM_FDX, 0); 1498 } 1499 if (layer & IXGBE_PHYSICAL_LAYER_5GBASE_T) { 1500 ADD(IFM_5000_T | IFM_FDX, 0); 1501 } 1502 if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_BX) 1503 ADD(IFM_1000_BX10 | IFM_FDX, 0); 1504 /* XXX no ifmedia_set? */ 1505 1506 ADD(IFM_AUTO, 0); 1507 1508 #undef ADD 1509 } /* ixgbe_add_media_types */ 1510 1511 /************************************************************************ 1512 * ixgbe_is_sfp 1513 ************************************************************************/ 1514 static inline bool 1515 ixgbe_is_sfp(struct ixgbe_hw *hw) 1516 { 1517 switch (hw->mac.type) { 1518 case ixgbe_mac_82598EB: 1519 if (hw->phy.type == ixgbe_phy_nl) 1520 return (TRUE); 1521 return (FALSE); 1522 case ixgbe_mac_82599EB: 1523 case ixgbe_mac_X550EM_x: 1524 case ixgbe_mac_X550EM_a: 1525 switch (hw->mac.ops.get_media_type(hw)) { 1526 case ixgbe_media_type_fiber: 1527 case ixgbe_media_type_fiber_qsfp: 1528 return (TRUE); 1529 default: 1530 return (FALSE); 1531 } 1532 default: 1533 return (FALSE); 1534 } 1535 } /* ixgbe_is_sfp */ 1536 1537 static void 1538 ixgbe_schedule_admin_tasklet(struct adapter *adapter) 1539 { 1540 1541 if (__predict_true(adapter->osdep.detaching == false)) { 1542 if (atomic_cas_uint(&adapter->admin_pending, 0, 1) == 0) 1543 workqueue_enqueue(adapter->admin_wq, 1544 &adapter->admin_wc, NULL); 1545 } 1546 } 1547 1548 /************************************************************************ 1549 * ixgbe_config_link 1550 ************************************************************************/ 1551 static void 1552 ixgbe_config_link(struct adapter *adapter) 1553 { 1554 struct ixgbe_hw *hw = &adapter->hw; 1555 u32 autoneg, err = 0; 1556 u32 task_requests = 0; 1557 bool sfp, negotiate = false; 1558 1559 sfp = ixgbe_is_sfp(hw); 1560 1561 if (sfp) { 1562 if (hw->phy.multispeed_fiber) { 1563 ixgbe_enable_tx_laser(hw); 1564 task_requests |= IXGBE_REQUEST_TASK_MSF; 1565 } 1566 task_requests |= IXGBE_REQUEST_TASK_MOD; 1567 atomic_or_32(&adapter->task_requests, task_requests); 1568 ixgbe_schedule_admin_tasklet(adapter); 1569 } else { 1570 struct ifmedia *ifm = &adapter->media; 1571 1572 if (hw->mac.ops.check_link) 1573 err = ixgbe_check_link(hw, &adapter->link_speed, 1574 &adapter->link_up, FALSE); 1575 if (err) 1576 return; 1577 1578 /* 1579 * Check if it's the first call. If it's the first call, 1580 * get value for auto negotiation. 1581 */ 1582 autoneg = hw->phy.autoneg_advertised; 1583 if ((IFM_SUBTYPE(ifm->ifm_cur->ifm_media) != IFM_NONE) 1584 && ((!autoneg) && (hw->mac.ops.get_link_capabilities))) 1585 err = hw->mac.ops.get_link_capabilities(hw, &autoneg, 1586 &negotiate); 1587 if (err) 1588 return; 1589 if (hw->mac.ops.setup_link) 1590 err = hw->mac.ops.setup_link(hw, autoneg, 1591 adapter->link_up); 1592 } 1593 1594 } /* ixgbe_config_link */ 1595 1596 /************************************************************************ 1597 * ixgbe_update_stats_counters - Update board statistics counters. 1598 ************************************************************************/ 1599 static void 1600 ixgbe_update_stats_counters(struct adapter *adapter) 1601 { 1602 struct ifnet *ifp = adapter->ifp; 1603 struct ixgbe_hw *hw = &adapter->hw; 1604 struct ixgbe_hw_stats *stats = &adapter->stats.pf; 1605 u32 missed_rx = 0, bprc, lxon, lxoff, total; 1606 u64 total_missed_rx = 0; 1607 uint64_t crcerrs, rlec; 1608 unsigned int queue_counters; 1609 int i; 1610 1611 crcerrs = IXGBE_READ_REG(hw, IXGBE_CRCERRS); 1612 stats->crcerrs.ev_count += crcerrs; 1613 stats->illerrc.ev_count += IXGBE_READ_REG(hw, IXGBE_ILLERRC); 1614 stats->errbc.ev_count += IXGBE_READ_REG(hw, IXGBE_ERRBC); 1615 stats->mspdc.ev_count += IXGBE_READ_REG(hw, IXGBE_MSPDC); 1616 if (hw->mac.type >= ixgbe_mac_X550) 1617 stats->mbsdc.ev_count += IXGBE_READ_REG(hw, IXGBE_MBSDC); 1618 1619 /* 16 registers exist */ 1620 queue_counters = uimin(__arraycount(stats->qprc), adapter->num_queues); 1621 for (i = 0; i < queue_counters; i++) { 1622 stats->qprc[i].ev_count += IXGBE_READ_REG(hw, IXGBE_QPRC(i)); 1623 stats->qptc[i].ev_count += IXGBE_READ_REG(hw, IXGBE_QPTC(i)); 1624 if (hw->mac.type >= ixgbe_mac_82599EB) { 1625 stats->qprdc[i].ev_count 1626 += IXGBE_READ_REG(hw, IXGBE_QPRDC(i)); 1627 } 1628 } 1629 1630 /* 8 registers exist */ 1631 for (i = 0; i < IXGBE_TC_COUNTER_NUM; i++) { 1632 uint32_t mp; 1633 1634 /* MPC */ 1635 mp = IXGBE_READ_REG(hw, IXGBE_MPC(i)); 1636 /* global total per queue */ 1637 stats->mpc[i].ev_count += mp; 1638 /* running comprehensive total for stats display */ 1639 total_missed_rx += mp; 1640 1641 if (hw->mac.type == ixgbe_mac_82598EB) 1642 stats->rnbc[i].ev_count 1643 += IXGBE_READ_REG(hw, IXGBE_RNBC(i)); 1644 1645 stats->pxontxc[i].ev_count 1646 += IXGBE_READ_REG(hw, IXGBE_PXONTXC(i)); 1647 stats->pxofftxc[i].ev_count 1648 += IXGBE_READ_REG(hw, IXGBE_PXOFFTXC(i)); 1649 if (hw->mac.type >= ixgbe_mac_82599EB) { 1650 stats->pxonrxc[i].ev_count 1651 += IXGBE_READ_REG(hw, IXGBE_PXONRXCNT(i)); 1652 stats->pxoffrxc[i].ev_count 1653 += IXGBE_READ_REG(hw, IXGBE_PXOFFRXCNT(i)); 1654 stats->pxon2offc[i].ev_count 1655 += IXGBE_READ_REG(hw, IXGBE_PXON2OFFCNT(i)); 1656 } else { 1657 stats->pxonrxc[i].ev_count 1658 += IXGBE_READ_REG(hw, IXGBE_PXONRXC(i)); 1659 stats->pxoffrxc[i].ev_count 1660 += IXGBE_READ_REG(hw, IXGBE_PXOFFRXC(i)); 1661 } 1662 } 1663 stats->mpctotal.ev_count += total_missed_rx; 1664 1665 /* Document says M[LR]FC are valid when link is up and 10Gbps */ 1666 if ((adapter->link_active == LINK_STATE_UP) 1667 && (adapter->link_speed == IXGBE_LINK_SPEED_10GB_FULL)) { 1668 stats->mlfc.ev_count += IXGBE_READ_REG(hw, IXGBE_MLFC); 1669 stats->mrfc.ev_count += IXGBE_READ_REG(hw, IXGBE_MRFC); 1670 } 1671 rlec = IXGBE_READ_REG(hw, IXGBE_RLEC); 1672 stats->rlec.ev_count += rlec; 1673 1674 /* Hardware workaround, gprc counts missed packets */ 1675 stats->gprc.ev_count += IXGBE_READ_REG(hw, IXGBE_GPRC) - missed_rx; 1676 1677 lxon = IXGBE_READ_REG(hw, IXGBE_LXONTXC); 1678 stats->lxontxc.ev_count += lxon; 1679 lxoff = IXGBE_READ_REG(hw, IXGBE_LXOFFTXC); 1680 stats->lxofftxc.ev_count += lxoff; 1681 total = lxon + lxoff; 1682 1683 if (hw->mac.type != ixgbe_mac_82598EB) { 1684 stats->gorc.ev_count += IXGBE_READ_REG(hw, IXGBE_GORCL) + 1685 ((u64)IXGBE_READ_REG(hw, IXGBE_GORCH) << 32); 1686 stats->gotc.ev_count += IXGBE_READ_REG(hw, IXGBE_GOTCL) + 1687 ((u64)IXGBE_READ_REG(hw, IXGBE_GOTCH) << 32) - total * ETHER_MIN_LEN; 1688 stats->tor.ev_count += IXGBE_READ_REG(hw, IXGBE_TORL) + 1689 ((u64)IXGBE_READ_REG(hw, IXGBE_TORH) << 32); 1690 stats->lxonrxc.ev_count += IXGBE_READ_REG(hw, IXGBE_LXONRXCNT); 1691 stats->lxoffrxc.ev_count += IXGBE_READ_REG(hw, IXGBE_LXOFFRXCNT); 1692 } else { 1693 stats->lxonrxc.ev_count += IXGBE_READ_REG(hw, IXGBE_LXONRXC); 1694 stats->lxoffrxc.ev_count += IXGBE_READ_REG(hw, IXGBE_LXOFFRXC); 1695 /* 82598 only has a counter in the high register */ 1696 stats->gorc.ev_count += IXGBE_READ_REG(hw, IXGBE_GORCH); 1697 stats->gotc.ev_count += IXGBE_READ_REG(hw, IXGBE_GOTCH) - total * ETHER_MIN_LEN; 1698 stats->tor.ev_count += IXGBE_READ_REG(hw, IXGBE_TORH); 1699 } 1700 1701 /* 1702 * Workaround: mprc hardware is incorrectly counting 1703 * broadcasts, so for now we subtract those. 1704 */ 1705 bprc = IXGBE_READ_REG(hw, IXGBE_BPRC); 1706 stats->bprc.ev_count += bprc; 1707 stats->mprc.ev_count += IXGBE_READ_REG(hw, IXGBE_MPRC) 1708 - ((hw->mac.type == ixgbe_mac_82598EB) ? bprc : 0); 1709 1710 stats->prc64.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC64); 1711 stats->prc127.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC127); 1712 stats->prc255.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC255); 1713 stats->prc511.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC511); 1714 stats->prc1023.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC1023); 1715 stats->prc1522.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC1522); 1716 1717 stats->gptc.ev_count += IXGBE_READ_REG(hw, IXGBE_GPTC) - total; 1718 stats->mptc.ev_count += IXGBE_READ_REG(hw, IXGBE_MPTC) - total; 1719 stats->ptc64.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC64) - total; 1720 1721 stats->ruc.ev_count += IXGBE_READ_REG(hw, IXGBE_RUC); 1722 stats->rfc.ev_count += IXGBE_READ_REG(hw, IXGBE_RFC); 1723 stats->roc.ev_count += IXGBE_READ_REG(hw, IXGBE_ROC); 1724 stats->rjc.ev_count += IXGBE_READ_REG(hw, IXGBE_RJC); 1725 stats->mngprc.ev_count += IXGBE_READ_REG(hw, IXGBE_MNGPRC); 1726 stats->mngpdc.ev_count += IXGBE_READ_REG(hw, IXGBE_MNGPDC); 1727 stats->mngptc.ev_count += IXGBE_READ_REG(hw, IXGBE_MNGPTC); 1728 stats->tpr.ev_count += IXGBE_READ_REG(hw, IXGBE_TPR); 1729 stats->tpt.ev_count += IXGBE_READ_REG(hw, IXGBE_TPT); 1730 stats->ptc127.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC127); 1731 stats->ptc255.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC255); 1732 stats->ptc511.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC511); 1733 stats->ptc1023.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC1023); 1734 stats->ptc1522.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC1522); 1735 stats->bptc.ev_count += IXGBE_READ_REG(hw, IXGBE_BPTC); 1736 stats->xec.ev_count += IXGBE_READ_REG(hw, IXGBE_XEC); 1737 stats->fccrc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCCRC); 1738 stats->fclast.ev_count += IXGBE_READ_REG(hw, IXGBE_FCLAST); 1739 /* Only read FCOE on 82599 */ 1740 if (hw->mac.type != ixgbe_mac_82598EB) { 1741 stats->fcoerpdc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOERPDC); 1742 stats->fcoeprc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOEPRC); 1743 stats->fcoeptc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOEPTC); 1744 stats->fcoedwrc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOEDWRC); 1745 stats->fcoedwtc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOEDWTC); 1746 } 1747 1748 /* 1749 * Fill out the OS statistics structure. Only RX errors are required 1750 * here because all TX counters are incremented in the TX path and 1751 * normal RX counters are prepared in ether_input(). 1752 */ 1753 net_stat_ref_t nsr = IF_STAT_GETREF(ifp); 1754 if_statadd_ref(nsr, if_iqdrops, total_missed_rx); 1755 if_statadd_ref(nsr, if_ierrors, crcerrs + rlec); 1756 IF_STAT_PUTREF(ifp); 1757 } /* ixgbe_update_stats_counters */ 1758 1759 /************************************************************************ 1760 * ixgbe_add_hw_stats 1761 * 1762 * Add sysctl variables, one per statistic, to the system. 1763 ************************************************************************/ 1764 static void 1765 ixgbe_add_hw_stats(struct adapter *adapter) 1766 { 1767 device_t dev = adapter->dev; 1768 const struct sysctlnode *rnode, *cnode; 1769 struct sysctllog **log = &adapter->sysctllog; 1770 struct tx_ring *txr = adapter->tx_rings; 1771 struct rx_ring *rxr = adapter->rx_rings; 1772 struct ixgbe_hw *hw = &adapter->hw; 1773 struct ixgbe_hw_stats *stats = &adapter->stats.pf; 1774 const char *xname = device_xname(dev); 1775 int i; 1776 1777 /* Driver Statistics */ 1778 evcnt_attach_dynamic(&adapter->efbig_tx_dma_setup, EVCNT_TYPE_MISC, 1779 NULL, xname, "Driver tx dma soft fail EFBIG"); 1780 evcnt_attach_dynamic(&adapter->mbuf_defrag_failed, EVCNT_TYPE_MISC, 1781 NULL, xname, "m_defrag() failed"); 1782 evcnt_attach_dynamic(&adapter->efbig2_tx_dma_setup, EVCNT_TYPE_MISC, 1783 NULL, xname, "Driver tx dma hard fail EFBIG"); 1784 evcnt_attach_dynamic(&adapter->einval_tx_dma_setup, EVCNT_TYPE_MISC, 1785 NULL, xname, "Driver tx dma hard fail EINVAL"); 1786 evcnt_attach_dynamic(&adapter->other_tx_dma_setup, EVCNT_TYPE_MISC, 1787 NULL, xname, "Driver tx dma hard fail other"); 1788 evcnt_attach_dynamic(&adapter->eagain_tx_dma_setup, EVCNT_TYPE_MISC, 1789 NULL, xname, "Driver tx dma soft fail EAGAIN"); 1790 evcnt_attach_dynamic(&adapter->enomem_tx_dma_setup, EVCNT_TYPE_MISC, 1791 NULL, xname, "Driver tx dma soft fail ENOMEM"); 1792 evcnt_attach_dynamic(&adapter->watchdog_events, EVCNT_TYPE_MISC, 1793 NULL, xname, "Watchdog timeouts"); 1794 evcnt_attach_dynamic(&adapter->tso_err, EVCNT_TYPE_MISC, 1795 NULL, xname, "TSO errors"); 1796 evcnt_attach_dynamic(&adapter->admin_irqev, EVCNT_TYPE_INTR, 1797 NULL, xname, "Admin MSI-X IRQ Handled"); 1798 evcnt_attach_dynamic(&adapter->link_workev, EVCNT_TYPE_INTR, 1799 NULL, xname, "Link event"); 1800 evcnt_attach_dynamic(&adapter->mod_workev, EVCNT_TYPE_INTR, 1801 NULL, xname, "SFP+ module event"); 1802 evcnt_attach_dynamic(&adapter->msf_workev, EVCNT_TYPE_INTR, 1803 NULL, xname, "Multispeed event"); 1804 evcnt_attach_dynamic(&adapter->phy_workev, EVCNT_TYPE_INTR, 1805 NULL, xname, "External PHY event"); 1806 1807 /* Max number of traffic class is 8 */ 1808 KASSERT(IXGBE_DCB_MAX_TRAFFIC_CLASS == 8); 1809 for (i = 0; i < IXGBE_TC_COUNTER_NUM; i++) { 1810 snprintf(adapter->tcs[i].evnamebuf, 1811 sizeof(adapter->tcs[i].evnamebuf), "%s tc%d", 1812 xname, i); 1813 if (i < __arraycount(stats->mpc)) { 1814 evcnt_attach_dynamic(&stats->mpc[i], 1815 EVCNT_TYPE_MISC, NULL, adapter->tcs[i].evnamebuf, 1816 "RX Missed Packet Count"); 1817 if (hw->mac.type == ixgbe_mac_82598EB) 1818 evcnt_attach_dynamic(&stats->rnbc[i], 1819 EVCNT_TYPE_MISC, NULL, 1820 adapter->tcs[i].evnamebuf, 1821 "Receive No Buffers"); 1822 } 1823 if (i < __arraycount(stats->pxontxc)) { 1824 evcnt_attach_dynamic(&stats->pxontxc[i], 1825 EVCNT_TYPE_MISC, NULL, adapter->tcs[i].evnamebuf, 1826 "pxontxc"); 1827 evcnt_attach_dynamic(&stats->pxonrxc[i], 1828 EVCNT_TYPE_MISC, NULL, adapter->tcs[i].evnamebuf, 1829 "pxonrxc"); 1830 evcnt_attach_dynamic(&stats->pxofftxc[i], 1831 EVCNT_TYPE_MISC, NULL, adapter->tcs[i].evnamebuf, 1832 "pxofftxc"); 1833 evcnt_attach_dynamic(&stats->pxoffrxc[i], 1834 EVCNT_TYPE_MISC, NULL, adapter->tcs[i].evnamebuf, 1835 "pxoffrxc"); 1836 if (hw->mac.type >= ixgbe_mac_82599EB) 1837 evcnt_attach_dynamic(&stats->pxon2offc[i], 1838 EVCNT_TYPE_MISC, NULL, 1839 adapter->tcs[i].evnamebuf, 1840 "pxon2offc"); 1841 } 1842 } 1843 1844 for (i = 0; i < adapter->num_queues; i++, rxr++, txr++) { 1845 #ifdef LRO 1846 struct lro_ctrl *lro = &rxr->lro; 1847 #endif /* LRO */ 1848 1849 snprintf(adapter->queues[i].evnamebuf, 1850 sizeof(adapter->queues[i].evnamebuf), "%s q%d", 1851 xname, i); 1852 snprintf(adapter->queues[i].namebuf, 1853 sizeof(adapter->queues[i].namebuf), "q%d", i); 1854 1855 if ((rnode = ixgbe_sysctl_instance(adapter)) == NULL) { 1856 aprint_error_dev(dev, "could not create sysctl root\n"); 1857 break; 1858 } 1859 1860 if (sysctl_createv(log, 0, &rnode, &rnode, 1861 0, CTLTYPE_NODE, 1862 adapter->queues[i].namebuf, SYSCTL_DESCR("Queue Name"), 1863 NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL) != 0) 1864 break; 1865 1866 if (sysctl_createv(log, 0, &rnode, &cnode, 1867 CTLFLAG_READWRITE, CTLTYPE_INT, 1868 "interrupt_rate", SYSCTL_DESCR("Interrupt Rate"), 1869 ixgbe_sysctl_interrupt_rate_handler, 0, 1870 (void *)&adapter->queues[i], 0, CTL_CREATE, CTL_EOL) != 0) 1871 break; 1872 1873 if (sysctl_createv(log, 0, &rnode, &cnode, 1874 CTLFLAG_READONLY, CTLTYPE_INT, 1875 "txd_head", SYSCTL_DESCR("Transmit Descriptor Head"), 1876 ixgbe_sysctl_tdh_handler, 0, (void *)txr, 1877 0, CTL_CREATE, CTL_EOL) != 0) 1878 break; 1879 1880 if (sysctl_createv(log, 0, &rnode, &cnode, 1881 CTLFLAG_READONLY, CTLTYPE_INT, 1882 "txd_tail", SYSCTL_DESCR("Transmit Descriptor Tail"), 1883 ixgbe_sysctl_tdt_handler, 0, (void *)txr, 1884 0, CTL_CREATE, CTL_EOL) != 0) 1885 break; 1886 1887 evcnt_attach_dynamic(&adapter->queues[i].irqs, EVCNT_TYPE_INTR, 1888 NULL, adapter->queues[i].evnamebuf, "IRQs on queue"); 1889 evcnt_attach_dynamic(&adapter->queues[i].handleq, 1890 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1891 "Handled queue in softint"); 1892 evcnt_attach_dynamic(&adapter->queues[i].req, EVCNT_TYPE_MISC, 1893 NULL, adapter->queues[i].evnamebuf, "Requeued in softint"); 1894 evcnt_attach_dynamic(&txr->tso_tx, EVCNT_TYPE_MISC, 1895 NULL, adapter->queues[i].evnamebuf, "TSO"); 1896 evcnt_attach_dynamic(&txr->no_desc_avail, EVCNT_TYPE_MISC, 1897 NULL, adapter->queues[i].evnamebuf, 1898 "Queue No Descriptor Available"); 1899 evcnt_attach_dynamic(&txr->total_packets, EVCNT_TYPE_MISC, 1900 NULL, adapter->queues[i].evnamebuf, 1901 "Queue Packets Transmitted"); 1902 #ifndef IXGBE_LEGACY_TX 1903 evcnt_attach_dynamic(&txr->pcq_drops, EVCNT_TYPE_MISC, 1904 NULL, adapter->queues[i].evnamebuf, 1905 "Packets dropped in pcq"); 1906 #endif 1907 1908 if (sysctl_createv(log, 0, &rnode, &cnode, 1909 CTLFLAG_READONLY, 1910 CTLTYPE_INT, 1911 "rxd_nxck", SYSCTL_DESCR("Receive Descriptor next to check"), 1912 ixgbe_sysctl_next_to_check_handler, 0, (void *)rxr, 0, 1913 CTL_CREATE, CTL_EOL) != 0) 1914 break; 1915 1916 if (sysctl_createv(log, 0, &rnode, &cnode, 1917 CTLFLAG_READONLY, 1918 CTLTYPE_INT, 1919 "rxd_head", SYSCTL_DESCR("Receive Descriptor Head"), 1920 ixgbe_sysctl_rdh_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_tail", SYSCTL_DESCR("Receive Descriptor Tail"), 1928 ixgbe_sysctl_rdt_handler, 0, (void *)rxr, 0, 1929 CTL_CREATE, CTL_EOL) != 0) 1930 break; 1931 1932 if (i < __arraycount(stats->qprc)) { 1933 evcnt_attach_dynamic(&stats->qprc[i], 1934 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1935 "qprc"); 1936 evcnt_attach_dynamic(&stats->qptc[i], 1937 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1938 "qptc"); 1939 evcnt_attach_dynamic(&stats->qbrc[i], 1940 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1941 "qbrc"); 1942 evcnt_attach_dynamic(&stats->qbtc[i], 1943 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1944 "qbtc"); 1945 if (hw->mac.type >= ixgbe_mac_82599EB) 1946 evcnt_attach_dynamic(&stats->qprdc[i], 1947 EVCNT_TYPE_MISC, NULL, 1948 adapter->queues[i].evnamebuf, "qprdc"); 1949 } 1950 1951 evcnt_attach_dynamic(&rxr->rx_packets, EVCNT_TYPE_MISC, 1952 NULL, adapter->queues[i].evnamebuf, "Queue Packets Received"); 1953 evcnt_attach_dynamic(&rxr->rx_bytes, EVCNT_TYPE_MISC, 1954 NULL, adapter->queues[i].evnamebuf, "Queue Bytes Received"); 1955 evcnt_attach_dynamic(&rxr->rx_copies, EVCNT_TYPE_MISC, 1956 NULL, adapter->queues[i].evnamebuf, "Copied RX Frames"); 1957 evcnt_attach_dynamic(&rxr->no_jmbuf, EVCNT_TYPE_MISC, 1958 NULL, adapter->queues[i].evnamebuf, "Rx no jumbo mbuf"); 1959 evcnt_attach_dynamic(&rxr->rx_discarded, EVCNT_TYPE_MISC, 1960 NULL, adapter->queues[i].evnamebuf, "Rx discarded"); 1961 #ifdef LRO 1962 SYSCTL_ADD_INT(ctx, queue_list, OID_AUTO, "lro_queued", 1963 CTLFLAG_RD, &lro->lro_queued, 0, 1964 "LRO Queued"); 1965 SYSCTL_ADD_INT(ctx, queue_list, OID_AUTO, "lro_flushed", 1966 CTLFLAG_RD, &lro->lro_flushed, 0, 1967 "LRO Flushed"); 1968 #endif /* LRO */ 1969 } 1970 1971 /* MAC stats get their own sub node */ 1972 1973 snprintf(stats->namebuf, 1974 sizeof(stats->namebuf), "%s MAC Statistics", xname); 1975 1976 evcnt_attach_dynamic(&stats->ipcs, EVCNT_TYPE_MISC, NULL, 1977 stats->namebuf, "rx csum offload - IP"); 1978 evcnt_attach_dynamic(&stats->l4cs, EVCNT_TYPE_MISC, NULL, 1979 stats->namebuf, "rx csum offload - L4"); 1980 evcnt_attach_dynamic(&stats->ipcs_bad, EVCNT_TYPE_MISC, NULL, 1981 stats->namebuf, "rx csum offload - IP bad"); 1982 evcnt_attach_dynamic(&stats->l4cs_bad, EVCNT_TYPE_MISC, NULL, 1983 stats->namebuf, "rx csum offload - L4 bad"); 1984 evcnt_attach_dynamic(&stats->intzero, EVCNT_TYPE_MISC, NULL, 1985 stats->namebuf, "Interrupt conditions zero"); 1986 evcnt_attach_dynamic(&stats->legint, EVCNT_TYPE_MISC, NULL, 1987 stats->namebuf, "Legacy interrupts"); 1988 1989 evcnt_attach_dynamic(&stats->crcerrs, EVCNT_TYPE_MISC, NULL, 1990 stats->namebuf, "CRC Errors"); 1991 evcnt_attach_dynamic(&stats->illerrc, EVCNT_TYPE_MISC, NULL, 1992 stats->namebuf, "Illegal Byte Errors"); 1993 evcnt_attach_dynamic(&stats->errbc, EVCNT_TYPE_MISC, NULL, 1994 stats->namebuf, "Byte Errors"); 1995 evcnt_attach_dynamic(&stats->mspdc, EVCNT_TYPE_MISC, NULL, 1996 stats->namebuf, "MAC Short Packets Discarded"); 1997 if (hw->mac.type >= ixgbe_mac_X550) 1998 evcnt_attach_dynamic(&stats->mbsdc, EVCNT_TYPE_MISC, NULL, 1999 stats->namebuf, "Bad SFD"); 2000 evcnt_attach_dynamic(&stats->mpctotal, EVCNT_TYPE_MISC, NULL, 2001 stats->namebuf, "Total Packets Missed"); 2002 evcnt_attach_dynamic(&stats->mlfc, EVCNT_TYPE_MISC, NULL, 2003 stats->namebuf, "MAC Local Faults"); 2004 evcnt_attach_dynamic(&stats->mrfc, EVCNT_TYPE_MISC, NULL, 2005 stats->namebuf, "MAC Remote Faults"); 2006 evcnt_attach_dynamic(&stats->rlec, EVCNT_TYPE_MISC, NULL, 2007 stats->namebuf, "Receive Length Errors"); 2008 evcnt_attach_dynamic(&stats->lxontxc, EVCNT_TYPE_MISC, NULL, 2009 stats->namebuf, "Link XON Transmitted"); 2010 evcnt_attach_dynamic(&stats->lxonrxc, EVCNT_TYPE_MISC, NULL, 2011 stats->namebuf, "Link XON Received"); 2012 evcnt_attach_dynamic(&stats->lxofftxc, EVCNT_TYPE_MISC, NULL, 2013 stats->namebuf, "Link XOFF Transmitted"); 2014 evcnt_attach_dynamic(&stats->lxoffrxc, EVCNT_TYPE_MISC, NULL, 2015 stats->namebuf, "Link XOFF Received"); 2016 2017 /* Packet Reception Stats */ 2018 evcnt_attach_dynamic(&stats->tor, EVCNT_TYPE_MISC, NULL, 2019 stats->namebuf, "Total Octets Received"); 2020 evcnt_attach_dynamic(&stats->gorc, EVCNT_TYPE_MISC, NULL, 2021 stats->namebuf, "Good Octets Received"); 2022 evcnt_attach_dynamic(&stats->tpr, EVCNT_TYPE_MISC, NULL, 2023 stats->namebuf, "Total Packets Received"); 2024 evcnt_attach_dynamic(&stats->gprc, EVCNT_TYPE_MISC, NULL, 2025 stats->namebuf, "Good Packets Received"); 2026 evcnt_attach_dynamic(&stats->mprc, EVCNT_TYPE_MISC, NULL, 2027 stats->namebuf, "Multicast Packets Received"); 2028 evcnt_attach_dynamic(&stats->bprc, EVCNT_TYPE_MISC, NULL, 2029 stats->namebuf, "Broadcast Packets Received"); 2030 evcnt_attach_dynamic(&stats->prc64, EVCNT_TYPE_MISC, NULL, 2031 stats->namebuf, "64 byte frames received "); 2032 evcnt_attach_dynamic(&stats->prc127, EVCNT_TYPE_MISC, NULL, 2033 stats->namebuf, "65-127 byte frames received"); 2034 evcnt_attach_dynamic(&stats->prc255, EVCNT_TYPE_MISC, NULL, 2035 stats->namebuf, "128-255 byte frames received"); 2036 evcnt_attach_dynamic(&stats->prc511, EVCNT_TYPE_MISC, NULL, 2037 stats->namebuf, "256-511 byte frames received"); 2038 evcnt_attach_dynamic(&stats->prc1023, EVCNT_TYPE_MISC, NULL, 2039 stats->namebuf, "512-1023 byte frames received"); 2040 evcnt_attach_dynamic(&stats->prc1522, EVCNT_TYPE_MISC, NULL, 2041 stats->namebuf, "1023-1522 byte frames received"); 2042 evcnt_attach_dynamic(&stats->ruc, EVCNT_TYPE_MISC, NULL, 2043 stats->namebuf, "Receive Undersized"); 2044 evcnt_attach_dynamic(&stats->rfc, EVCNT_TYPE_MISC, NULL, 2045 stats->namebuf, "Fragmented Packets Received "); 2046 evcnt_attach_dynamic(&stats->roc, EVCNT_TYPE_MISC, NULL, 2047 stats->namebuf, "Oversized Packets Received"); 2048 evcnt_attach_dynamic(&stats->rjc, EVCNT_TYPE_MISC, NULL, 2049 stats->namebuf, "Received Jabber"); 2050 evcnt_attach_dynamic(&stats->mngprc, EVCNT_TYPE_MISC, NULL, 2051 stats->namebuf, "Management Packets Received"); 2052 evcnt_attach_dynamic(&stats->mngpdc, EVCNT_TYPE_MISC, NULL, 2053 stats->namebuf, "Management Packets Dropped"); 2054 evcnt_attach_dynamic(&stats->xec, EVCNT_TYPE_MISC, NULL, 2055 stats->namebuf, "Checksum Errors"); 2056 2057 /* Packet Transmission Stats */ 2058 evcnt_attach_dynamic(&stats->gotc, EVCNT_TYPE_MISC, NULL, 2059 stats->namebuf, "Good Octets Transmitted"); 2060 evcnt_attach_dynamic(&stats->tpt, EVCNT_TYPE_MISC, NULL, 2061 stats->namebuf, "Total Packets Transmitted"); 2062 evcnt_attach_dynamic(&stats->gptc, EVCNT_TYPE_MISC, NULL, 2063 stats->namebuf, "Good Packets Transmitted"); 2064 evcnt_attach_dynamic(&stats->bptc, EVCNT_TYPE_MISC, NULL, 2065 stats->namebuf, "Broadcast Packets Transmitted"); 2066 evcnt_attach_dynamic(&stats->mptc, EVCNT_TYPE_MISC, NULL, 2067 stats->namebuf, "Multicast Packets Transmitted"); 2068 evcnt_attach_dynamic(&stats->mngptc, EVCNT_TYPE_MISC, NULL, 2069 stats->namebuf, "Management Packets Transmitted"); 2070 evcnt_attach_dynamic(&stats->ptc64, EVCNT_TYPE_MISC, NULL, 2071 stats->namebuf, "64 byte frames transmitted "); 2072 evcnt_attach_dynamic(&stats->ptc127, EVCNT_TYPE_MISC, NULL, 2073 stats->namebuf, "65-127 byte frames transmitted"); 2074 evcnt_attach_dynamic(&stats->ptc255, EVCNT_TYPE_MISC, NULL, 2075 stats->namebuf, "128-255 byte frames transmitted"); 2076 evcnt_attach_dynamic(&stats->ptc511, EVCNT_TYPE_MISC, NULL, 2077 stats->namebuf, "256-511 byte frames transmitted"); 2078 evcnt_attach_dynamic(&stats->ptc1023, EVCNT_TYPE_MISC, NULL, 2079 stats->namebuf, "512-1023 byte frames transmitted"); 2080 evcnt_attach_dynamic(&stats->ptc1522, EVCNT_TYPE_MISC, NULL, 2081 stats->namebuf, "1024-1522 byte frames transmitted"); 2082 } /* ixgbe_add_hw_stats */ 2083 2084 static void 2085 ixgbe_clear_evcnt(struct adapter *adapter) 2086 { 2087 struct tx_ring *txr = adapter->tx_rings; 2088 struct rx_ring *rxr = adapter->rx_rings; 2089 struct ixgbe_hw *hw = &adapter->hw; 2090 struct ixgbe_hw_stats *stats = &adapter->stats.pf; 2091 int i; 2092 2093 adapter->efbig_tx_dma_setup.ev_count = 0; 2094 adapter->mbuf_defrag_failed.ev_count = 0; 2095 adapter->efbig2_tx_dma_setup.ev_count = 0; 2096 adapter->einval_tx_dma_setup.ev_count = 0; 2097 adapter->other_tx_dma_setup.ev_count = 0; 2098 adapter->eagain_tx_dma_setup.ev_count = 0; 2099 adapter->enomem_tx_dma_setup.ev_count = 0; 2100 adapter->tso_err.ev_count = 0; 2101 adapter->watchdog_events.ev_count = 0; 2102 adapter->admin_irqev.ev_count = 0; 2103 adapter->link_workev.ev_count = 0; 2104 adapter->mod_workev.ev_count = 0; 2105 adapter->msf_workev.ev_count = 0; 2106 adapter->phy_workev.ev_count = 0; 2107 2108 for (i = 0; i < IXGBE_TC_COUNTER_NUM; i++) { 2109 if (i < __arraycount(stats->mpc)) { 2110 stats->mpc[i].ev_count = 0; 2111 if (hw->mac.type == ixgbe_mac_82598EB) 2112 stats->rnbc[i].ev_count = 0; 2113 } 2114 if (i < __arraycount(stats->pxontxc)) { 2115 stats->pxontxc[i].ev_count = 0; 2116 stats->pxonrxc[i].ev_count = 0; 2117 stats->pxofftxc[i].ev_count = 0; 2118 stats->pxoffrxc[i].ev_count = 0; 2119 if (hw->mac.type >= ixgbe_mac_82599EB) 2120 stats->pxon2offc[i].ev_count = 0; 2121 } 2122 } 2123 2124 txr = adapter->tx_rings; 2125 for (i = 0; i < adapter->num_queues; i++, rxr++, txr++) { 2126 adapter->queues[i].irqs.ev_count = 0; 2127 adapter->queues[i].handleq.ev_count = 0; 2128 adapter->queues[i].req.ev_count = 0; 2129 txr->no_desc_avail.ev_count = 0; 2130 txr->total_packets.ev_count = 0; 2131 txr->tso_tx.ev_count = 0; 2132 #ifndef IXGBE_LEGACY_TX 2133 txr->pcq_drops.ev_count = 0; 2134 #endif 2135 txr->q_efbig_tx_dma_setup = 0; 2136 txr->q_mbuf_defrag_failed = 0; 2137 txr->q_efbig2_tx_dma_setup = 0; 2138 txr->q_einval_tx_dma_setup = 0; 2139 txr->q_other_tx_dma_setup = 0; 2140 txr->q_eagain_tx_dma_setup = 0; 2141 txr->q_enomem_tx_dma_setup = 0; 2142 txr->q_tso_err = 0; 2143 2144 if (i < __arraycount(stats->qprc)) { 2145 stats->qprc[i].ev_count = 0; 2146 stats->qptc[i].ev_count = 0; 2147 stats->qbrc[i].ev_count = 0; 2148 stats->qbtc[i].ev_count = 0; 2149 if (hw->mac.type >= ixgbe_mac_82599EB) 2150 stats->qprdc[i].ev_count = 0; 2151 } 2152 2153 rxr->rx_packets.ev_count = 0; 2154 rxr->rx_bytes.ev_count = 0; 2155 rxr->rx_copies.ev_count = 0; 2156 rxr->no_jmbuf.ev_count = 0; 2157 rxr->rx_discarded.ev_count = 0; 2158 } 2159 stats->ipcs.ev_count = 0; 2160 stats->l4cs.ev_count = 0; 2161 stats->ipcs_bad.ev_count = 0; 2162 stats->l4cs_bad.ev_count = 0; 2163 stats->intzero.ev_count = 0; 2164 stats->legint.ev_count = 0; 2165 stats->crcerrs.ev_count = 0; 2166 stats->illerrc.ev_count = 0; 2167 stats->errbc.ev_count = 0; 2168 stats->mspdc.ev_count = 0; 2169 if (hw->mac.type >= ixgbe_mac_X550) 2170 stats->mbsdc.ev_count = 0; 2171 stats->mpctotal.ev_count = 0; 2172 stats->mlfc.ev_count = 0; 2173 stats->mrfc.ev_count = 0; 2174 stats->rlec.ev_count = 0; 2175 stats->lxontxc.ev_count = 0; 2176 stats->lxonrxc.ev_count = 0; 2177 stats->lxofftxc.ev_count = 0; 2178 stats->lxoffrxc.ev_count = 0; 2179 2180 /* Packet Reception Stats */ 2181 stats->tor.ev_count = 0; 2182 stats->gorc.ev_count = 0; 2183 stats->tpr.ev_count = 0; 2184 stats->gprc.ev_count = 0; 2185 stats->mprc.ev_count = 0; 2186 stats->bprc.ev_count = 0; 2187 stats->prc64.ev_count = 0; 2188 stats->prc127.ev_count = 0; 2189 stats->prc255.ev_count = 0; 2190 stats->prc511.ev_count = 0; 2191 stats->prc1023.ev_count = 0; 2192 stats->prc1522.ev_count = 0; 2193 stats->ruc.ev_count = 0; 2194 stats->rfc.ev_count = 0; 2195 stats->roc.ev_count = 0; 2196 stats->rjc.ev_count = 0; 2197 stats->mngprc.ev_count = 0; 2198 stats->mngpdc.ev_count = 0; 2199 stats->xec.ev_count = 0; 2200 2201 /* Packet Transmission Stats */ 2202 stats->gotc.ev_count = 0; 2203 stats->tpt.ev_count = 0; 2204 stats->gptc.ev_count = 0; 2205 stats->bptc.ev_count = 0; 2206 stats->mptc.ev_count = 0; 2207 stats->mngptc.ev_count = 0; 2208 stats->ptc64.ev_count = 0; 2209 stats->ptc127.ev_count = 0; 2210 stats->ptc255.ev_count = 0; 2211 stats->ptc511.ev_count = 0; 2212 stats->ptc1023.ev_count = 0; 2213 stats->ptc1522.ev_count = 0; 2214 } 2215 2216 /************************************************************************ 2217 * ixgbe_sysctl_tdh_handler - Transmit Descriptor Head handler function 2218 * 2219 * Retrieves the TDH value from the hardware 2220 ************************************************************************/ 2221 static int 2222 ixgbe_sysctl_tdh_handler(SYSCTLFN_ARGS) 2223 { 2224 struct sysctlnode node = *rnode; 2225 struct tx_ring *txr = (struct tx_ring *)node.sysctl_data; 2226 struct adapter *adapter; 2227 uint32_t val; 2228 2229 if (!txr) 2230 return (0); 2231 2232 adapter = txr->adapter; 2233 if (ixgbe_fw_recovery_mode_swflag(adapter)) 2234 return (EPERM); 2235 2236 val = IXGBE_READ_REG(&adapter->hw, IXGBE_TDH(txr->me)); 2237 node.sysctl_data = &val; 2238 return sysctl_lookup(SYSCTLFN_CALL(&node)); 2239 } /* ixgbe_sysctl_tdh_handler */ 2240 2241 /************************************************************************ 2242 * ixgbe_sysctl_tdt_handler - Transmit Descriptor Tail handler function 2243 * 2244 * Retrieves the TDT value from the hardware 2245 ************************************************************************/ 2246 static int 2247 ixgbe_sysctl_tdt_handler(SYSCTLFN_ARGS) 2248 { 2249 struct sysctlnode node = *rnode; 2250 struct tx_ring *txr = (struct tx_ring *)node.sysctl_data; 2251 struct adapter *adapter; 2252 uint32_t val; 2253 2254 if (!txr) 2255 return (0); 2256 2257 adapter = txr->adapter; 2258 if (ixgbe_fw_recovery_mode_swflag(adapter)) 2259 return (EPERM); 2260 2261 val = IXGBE_READ_REG(&adapter->hw, IXGBE_TDT(txr->me)); 2262 node.sysctl_data = &val; 2263 return sysctl_lookup(SYSCTLFN_CALL(&node)); 2264 } /* ixgbe_sysctl_tdt_handler */ 2265 2266 /************************************************************************ 2267 * ixgbe_sysctl_next_to_check_handler - Receive Descriptor next to check 2268 * handler function 2269 * 2270 * Retrieves the next_to_check value 2271 ************************************************************************/ 2272 static int 2273 ixgbe_sysctl_next_to_check_handler(SYSCTLFN_ARGS) 2274 { 2275 struct sysctlnode node = *rnode; 2276 struct rx_ring *rxr = (struct rx_ring *)node.sysctl_data; 2277 struct adapter *adapter; 2278 uint32_t val; 2279 2280 if (!rxr) 2281 return (0); 2282 2283 adapter = rxr->adapter; 2284 if (ixgbe_fw_recovery_mode_swflag(adapter)) 2285 return (EPERM); 2286 2287 val = rxr->next_to_check; 2288 node.sysctl_data = &val; 2289 return sysctl_lookup(SYSCTLFN_CALL(&node)); 2290 } /* ixgbe_sysctl_next_to_check_handler */ 2291 2292 /************************************************************************ 2293 * ixgbe_sysctl_rdh_handler - Receive Descriptor Head handler function 2294 * 2295 * Retrieves the RDH value from the hardware 2296 ************************************************************************/ 2297 static int 2298 ixgbe_sysctl_rdh_handler(SYSCTLFN_ARGS) 2299 { 2300 struct sysctlnode node = *rnode; 2301 struct rx_ring *rxr = (struct rx_ring *)node.sysctl_data; 2302 struct adapter *adapter; 2303 uint32_t val; 2304 2305 if (!rxr) 2306 return (0); 2307 2308 adapter = rxr->adapter; 2309 if (ixgbe_fw_recovery_mode_swflag(adapter)) 2310 return (EPERM); 2311 2312 val = IXGBE_READ_REG(&adapter->hw, IXGBE_RDH(rxr->me)); 2313 node.sysctl_data = &val; 2314 return sysctl_lookup(SYSCTLFN_CALL(&node)); 2315 } /* ixgbe_sysctl_rdh_handler */ 2316 2317 /************************************************************************ 2318 * ixgbe_sysctl_rdt_handler - Receive Descriptor Tail handler function 2319 * 2320 * Retrieves the RDT value from the hardware 2321 ************************************************************************/ 2322 static int 2323 ixgbe_sysctl_rdt_handler(SYSCTLFN_ARGS) 2324 { 2325 struct sysctlnode node = *rnode; 2326 struct rx_ring *rxr = (struct rx_ring *)node.sysctl_data; 2327 struct adapter *adapter; 2328 uint32_t val; 2329 2330 if (!rxr) 2331 return (0); 2332 2333 adapter = rxr->adapter; 2334 if (ixgbe_fw_recovery_mode_swflag(adapter)) 2335 return (EPERM); 2336 2337 val = IXGBE_READ_REG(&adapter->hw, IXGBE_RDT(rxr->me)); 2338 node.sysctl_data = &val; 2339 return sysctl_lookup(SYSCTLFN_CALL(&node)); 2340 } /* ixgbe_sysctl_rdt_handler */ 2341 2342 static int 2343 ixgbe_vlan_cb(struct ethercom *ec, uint16_t vid, bool set) 2344 { 2345 struct ifnet *ifp = &ec->ec_if; 2346 struct adapter *adapter = ifp->if_softc; 2347 int rv; 2348 2349 if (set) 2350 rv = ixgbe_register_vlan(adapter, vid); 2351 else 2352 rv = ixgbe_unregister_vlan(adapter, vid); 2353 2354 if (rv != 0) 2355 return rv; 2356 2357 /* 2358 * Control VLAN HW tagging when ec_nvlan is changed from 1 to 0 2359 * or 0 to 1. 2360 */ 2361 if ((set && (ec->ec_nvlans == 1)) || (!set && (ec->ec_nvlans == 0))) 2362 ixgbe_setup_vlan_hw_tagging(adapter); 2363 2364 return rv; 2365 } 2366 2367 /************************************************************************ 2368 * ixgbe_register_vlan 2369 * 2370 * Run via vlan config EVENT, it enables us to use the 2371 * HW Filter table since we can get the vlan id. This 2372 * just creates the entry in the soft version of the 2373 * VFTA, init will repopulate the real table. 2374 ************************************************************************/ 2375 static int 2376 ixgbe_register_vlan(struct adapter *adapter, u16 vtag) 2377 { 2378 u16 index, bit; 2379 int error; 2380 2381 if ((vtag == 0) || (vtag > 4095)) /* Invalid */ 2382 return EINVAL; 2383 2384 IXGBE_CORE_LOCK(adapter); 2385 index = (vtag >> 5) & 0x7F; 2386 bit = vtag & 0x1F; 2387 adapter->shadow_vfta[index] |= ((u32)1 << bit); 2388 error = adapter->hw.mac.ops.set_vfta(&adapter->hw, vtag, 0, true, 2389 true); 2390 IXGBE_CORE_UNLOCK(adapter); 2391 if (error != 0) 2392 error = EACCES; 2393 2394 return error; 2395 } /* ixgbe_register_vlan */ 2396 2397 /************************************************************************ 2398 * ixgbe_unregister_vlan 2399 * 2400 * Run via vlan unconfig EVENT, remove our entry in the soft vfta. 2401 ************************************************************************/ 2402 static int 2403 ixgbe_unregister_vlan(struct adapter *adapter, u16 vtag) 2404 { 2405 u16 index, bit; 2406 int error; 2407 2408 if ((vtag == 0) || (vtag > 4095)) /* Invalid */ 2409 return EINVAL; 2410 2411 IXGBE_CORE_LOCK(adapter); 2412 index = (vtag >> 5) & 0x7F; 2413 bit = vtag & 0x1F; 2414 adapter->shadow_vfta[index] &= ~((u32)1 << bit); 2415 error = adapter->hw.mac.ops.set_vfta(&adapter->hw, vtag, 0, false, 2416 true); 2417 IXGBE_CORE_UNLOCK(adapter); 2418 if (error != 0) 2419 error = EACCES; 2420 2421 return error; 2422 } /* ixgbe_unregister_vlan */ 2423 2424 static void 2425 ixgbe_setup_vlan_hw_tagging(struct adapter *adapter) 2426 { 2427 struct ethercom *ec = &adapter->osdep.ec; 2428 struct ixgbe_hw *hw = &adapter->hw; 2429 struct rx_ring *rxr; 2430 u32 ctrl; 2431 int i; 2432 bool hwtagging; 2433 2434 /* Enable HW tagging only if any vlan is attached */ 2435 hwtagging = (ec->ec_capenable & ETHERCAP_VLAN_HWTAGGING) 2436 && VLAN_ATTACHED(ec); 2437 2438 /* Setup the queues for vlans */ 2439 for (i = 0; i < adapter->num_queues; i++) { 2440 rxr = &adapter->rx_rings[i]; 2441 /* 2442 * On 82599 and later, the VLAN enable is per/queue in RXDCTL. 2443 */ 2444 if (hw->mac.type != ixgbe_mac_82598EB) { 2445 ctrl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(rxr->me)); 2446 if (hwtagging) 2447 ctrl |= IXGBE_RXDCTL_VME; 2448 else 2449 ctrl &= ~IXGBE_RXDCTL_VME; 2450 IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(rxr->me), ctrl); 2451 } 2452 rxr->vtag_strip = hwtagging ? TRUE : FALSE; 2453 } 2454 2455 /* VLAN hw tagging for 82598 */ 2456 if (hw->mac.type == ixgbe_mac_82598EB) { 2457 ctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL); 2458 if (hwtagging) 2459 ctrl |= IXGBE_VLNCTRL_VME; 2460 else 2461 ctrl &= ~IXGBE_VLNCTRL_VME; 2462 IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, ctrl); 2463 } 2464 } /* ixgbe_setup_vlan_hw_tagging */ 2465 2466 static void 2467 ixgbe_setup_vlan_hw_support(struct adapter *adapter) 2468 { 2469 struct ethercom *ec = &adapter->osdep.ec; 2470 struct ixgbe_hw *hw = &adapter->hw; 2471 int i; 2472 u32 ctrl; 2473 struct vlanid_list *vlanidp; 2474 2475 /* 2476 * This function is called from both if_init and ifflags_cb() 2477 * on NetBSD. 2478 */ 2479 2480 /* 2481 * Part 1: 2482 * Setup VLAN HW tagging 2483 */ 2484 ixgbe_setup_vlan_hw_tagging(adapter); 2485 2486 /* 2487 * Part 2: 2488 * Setup VLAN HW filter 2489 */ 2490 /* Cleanup shadow_vfta */ 2491 for (i = 0; i < IXGBE_VFTA_SIZE; i++) 2492 adapter->shadow_vfta[i] = 0; 2493 /* Generate shadow_vfta from ec_vids */ 2494 ETHER_LOCK(ec); 2495 SIMPLEQ_FOREACH(vlanidp, &ec->ec_vids, vid_list) { 2496 uint32_t idx; 2497 2498 idx = vlanidp->vid / 32; 2499 KASSERT(idx < IXGBE_VFTA_SIZE); 2500 adapter->shadow_vfta[idx] |= (u32)1 << (vlanidp->vid % 32); 2501 } 2502 ETHER_UNLOCK(ec); 2503 for (i = 0; i < IXGBE_VFTA_SIZE; i++) 2504 IXGBE_WRITE_REG(hw, IXGBE_VFTA(i), adapter->shadow_vfta[i]); 2505 2506 ctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL); 2507 /* Enable the Filter Table if enabled */ 2508 if (ec->ec_capenable & ETHERCAP_VLAN_HWFILTER) 2509 ctrl |= IXGBE_VLNCTRL_VFE; 2510 else 2511 ctrl &= ~IXGBE_VLNCTRL_VFE; 2512 IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, ctrl); 2513 } /* ixgbe_setup_vlan_hw_support */ 2514 2515 /************************************************************************ 2516 * ixgbe_get_slot_info 2517 * 2518 * Get the width and transaction speed of 2519 * the slot this adapter is plugged into. 2520 ************************************************************************/ 2521 static void 2522 ixgbe_get_slot_info(struct adapter *adapter) 2523 { 2524 device_t dev = adapter->dev; 2525 struct ixgbe_hw *hw = &adapter->hw; 2526 u32 offset; 2527 u16 link; 2528 int bus_info_valid = TRUE; 2529 2530 /* Some devices are behind an internal bridge */ 2531 switch (hw->device_id) { 2532 case IXGBE_DEV_ID_82599_SFP_SF_QP: 2533 case IXGBE_DEV_ID_82599_QSFP_SF_QP: 2534 goto get_parent_info; 2535 default: 2536 break; 2537 } 2538 2539 ixgbe_get_bus_info(hw); 2540 2541 /* 2542 * Some devices don't use PCI-E, but there is no need 2543 * to display "Unknown" for bus speed and width. 2544 */ 2545 switch (hw->mac.type) { 2546 case ixgbe_mac_X550EM_x: 2547 case ixgbe_mac_X550EM_a: 2548 return; 2549 default: 2550 goto display; 2551 } 2552 2553 get_parent_info: 2554 /* 2555 * For the Quad port adapter we need to parse back 2556 * up the PCI tree to find the speed of the expansion 2557 * slot into which this adapter is plugged. A bit more work. 2558 */ 2559 dev = device_parent(device_parent(dev)); 2560 #if 0 2561 #ifdef IXGBE_DEBUG 2562 device_printf(dev, "parent pcib = %x,%x,%x\n", pci_get_bus(dev), 2563 pci_get_slot(dev), pci_get_function(dev)); 2564 #endif 2565 dev = device_parent(device_parent(dev)); 2566 #ifdef IXGBE_DEBUG 2567 device_printf(dev, "slot pcib = %x,%x,%x\n", pci_get_bus(dev), 2568 pci_get_slot(dev), pci_get_function(dev)); 2569 #endif 2570 #endif 2571 /* Now get the PCI Express Capabilities offset */ 2572 if (pci_get_capability(adapter->osdep.pc, adapter->osdep.tag, 2573 PCI_CAP_PCIEXPRESS, &offset, NULL)) { 2574 /* 2575 * Hmm...can't get PCI-Express capabilities. 2576 * Falling back to default method. 2577 */ 2578 bus_info_valid = FALSE; 2579 ixgbe_get_bus_info(hw); 2580 goto display; 2581 } 2582 /* ...and read the Link Status Register */ 2583 link = pci_conf_read(adapter->osdep.pc, adapter->osdep.tag, 2584 offset + PCIE_LCSR) >> 16; 2585 ixgbe_set_pci_config_data_generic(hw, link); 2586 2587 display: 2588 device_printf(dev, "PCI Express Bus: Speed %s Width %s\n", 2589 ((hw->bus.speed == ixgbe_bus_speed_8000) ? "8.0GT/s" : 2590 (hw->bus.speed == ixgbe_bus_speed_5000) ? "5.0GT/s" : 2591 (hw->bus.speed == ixgbe_bus_speed_2500) ? "2.5GT/s" : 2592 "Unknown"), 2593 ((hw->bus.width == ixgbe_bus_width_pcie_x8) ? "x8" : 2594 (hw->bus.width == ixgbe_bus_width_pcie_x4) ? "x4" : 2595 (hw->bus.width == ixgbe_bus_width_pcie_x1) ? "x1" : 2596 "Unknown")); 2597 2598 if (bus_info_valid) { 2599 if ((hw->device_id != IXGBE_DEV_ID_82599_SFP_SF_QP) && 2600 ((hw->bus.width <= ixgbe_bus_width_pcie_x4) && 2601 (hw->bus.speed == ixgbe_bus_speed_2500))) { 2602 device_printf(dev, "PCI-Express bandwidth available" 2603 " for this card\n is not sufficient for" 2604 " optimal performance.\n"); 2605 device_printf(dev, "For optimal performance a x8 " 2606 "PCIE, or x4 PCIE Gen2 slot is required.\n"); 2607 } 2608 if ((hw->device_id == IXGBE_DEV_ID_82599_SFP_SF_QP) && 2609 ((hw->bus.width <= ixgbe_bus_width_pcie_x8) && 2610 (hw->bus.speed < ixgbe_bus_speed_8000))) { 2611 device_printf(dev, "PCI-Express bandwidth available" 2612 " for this card\n is not sufficient for" 2613 " optimal performance.\n"); 2614 device_printf(dev, "For optimal performance a x8 " 2615 "PCIE Gen3 slot is required.\n"); 2616 } 2617 } else 2618 device_printf(dev, "Unable to determine slot speed/width. The speed/width reported are that of the internal switch.\n"); 2619 2620 return; 2621 } /* ixgbe_get_slot_info */ 2622 2623 /************************************************************************ 2624 * ixgbe_enable_queue - MSI-X Interrupt Handlers and Tasklets 2625 ************************************************************************/ 2626 static inline void 2627 ixgbe_enable_queue(struct adapter *adapter, u32 vector) 2628 { 2629 struct ixgbe_hw *hw = &adapter->hw; 2630 struct ix_queue *que = &adapter->queues[vector]; 2631 u64 queue = 1ULL << vector; 2632 u32 mask; 2633 2634 mutex_enter(&que->dc_mtx); 2635 if (que->disabled_count > 0 && --que->disabled_count > 0) 2636 goto out; 2637 2638 if (hw->mac.type == ixgbe_mac_82598EB) { 2639 mask = (IXGBE_EIMS_RTX_QUEUE & queue); 2640 IXGBE_WRITE_REG(hw, IXGBE_EIMS, mask); 2641 } else { 2642 mask = (queue & 0xFFFFFFFF); 2643 if (mask) 2644 IXGBE_WRITE_REG(hw, IXGBE_EIMS_EX(0), mask); 2645 mask = (queue >> 32); 2646 if (mask) 2647 IXGBE_WRITE_REG(hw, IXGBE_EIMS_EX(1), mask); 2648 } 2649 out: 2650 mutex_exit(&que->dc_mtx); 2651 } /* ixgbe_enable_queue */ 2652 2653 /************************************************************************ 2654 * ixgbe_disable_queue_internal 2655 ************************************************************************/ 2656 static inline void 2657 ixgbe_disable_queue_internal(struct adapter *adapter, u32 vector, bool nestok) 2658 { 2659 struct ixgbe_hw *hw = &adapter->hw; 2660 struct ix_queue *que = &adapter->queues[vector]; 2661 u64 queue = 1ULL << vector; 2662 u32 mask; 2663 2664 mutex_enter(&que->dc_mtx); 2665 2666 if (que->disabled_count > 0) { 2667 if (nestok) 2668 que->disabled_count++; 2669 goto out; 2670 } 2671 que->disabled_count++; 2672 2673 if (hw->mac.type == ixgbe_mac_82598EB) { 2674 mask = (IXGBE_EIMS_RTX_QUEUE & queue); 2675 IXGBE_WRITE_REG(hw, IXGBE_EIMC, mask); 2676 } else { 2677 mask = (queue & 0xFFFFFFFF); 2678 if (mask) 2679 IXGBE_WRITE_REG(hw, IXGBE_EIMC_EX(0), mask); 2680 mask = (queue >> 32); 2681 if (mask) 2682 IXGBE_WRITE_REG(hw, IXGBE_EIMC_EX(1), mask); 2683 } 2684 out: 2685 mutex_exit(&que->dc_mtx); 2686 } /* ixgbe_disable_queue_internal */ 2687 2688 /************************************************************************ 2689 * ixgbe_disable_queue 2690 ************************************************************************/ 2691 static inline void 2692 ixgbe_disable_queue(struct adapter *adapter, u32 vector) 2693 { 2694 2695 ixgbe_disable_queue_internal(adapter, vector, true); 2696 } /* ixgbe_disable_queue */ 2697 2698 /************************************************************************ 2699 * ixgbe_sched_handle_que - schedule deferred packet processing 2700 ************************************************************************/ 2701 static inline void 2702 ixgbe_sched_handle_que(struct adapter *adapter, struct ix_queue *que) 2703 { 2704 2705 if (que->txrx_use_workqueue) { 2706 /* 2707 * adapter->que_wq is bound to each CPU instead of 2708 * each NIC queue to reduce workqueue kthread. As we 2709 * should consider about interrupt affinity in this 2710 * function, the workqueue kthread must be WQ_PERCPU. 2711 * If create WQ_PERCPU workqueue kthread for each NIC 2712 * queue, that number of created workqueue kthread is 2713 * (number of used NIC queue) * (number of CPUs) = 2714 * (number of CPUs) ^ 2 most often. 2715 * 2716 * The same NIC queue's interrupts are avoided by 2717 * masking the queue's interrupt. And different 2718 * NIC queue's interrupts use different struct work 2719 * (que->wq_cookie). So, "enqueued flag" to avoid 2720 * twice workqueue_enqueue() is not required . 2721 */ 2722 workqueue_enqueue(adapter->que_wq, &que->wq_cookie, curcpu()); 2723 } else { 2724 softint_schedule(que->que_si); 2725 } 2726 } 2727 2728 /************************************************************************ 2729 * ixgbe_msix_que - MSI-X Queue Interrupt Service routine 2730 ************************************************************************/ 2731 static int 2732 ixgbe_msix_que(void *arg) 2733 { 2734 struct ix_queue *que = arg; 2735 struct adapter *adapter = que->adapter; 2736 struct ifnet *ifp = adapter->ifp; 2737 struct tx_ring *txr = que->txr; 2738 struct rx_ring *rxr = que->rxr; 2739 bool more; 2740 u32 newitr = 0; 2741 2742 /* Protect against spurious interrupts */ 2743 if ((ifp->if_flags & IFF_RUNNING) == 0) 2744 return 0; 2745 2746 ixgbe_disable_queue(adapter, que->msix); 2747 ++que->irqs.ev_count; 2748 2749 /* 2750 * Don't change "que->txrx_use_workqueue" from this point to avoid 2751 * flip-flopping softint/workqueue mode in one deferred processing. 2752 */ 2753 que->txrx_use_workqueue = adapter->txrx_use_workqueue; 2754 2755 #ifdef __NetBSD__ 2756 /* Don't run ixgbe_rxeof in interrupt context */ 2757 more = true; 2758 #else 2759 more = ixgbe_rxeof(que); 2760 #endif 2761 2762 IXGBE_TX_LOCK(txr); 2763 ixgbe_txeof(txr); 2764 IXGBE_TX_UNLOCK(txr); 2765 2766 /* Do AIM now? */ 2767 2768 if (adapter->enable_aim == false) 2769 goto no_calc; 2770 /* 2771 * Do Adaptive Interrupt Moderation: 2772 * - Write out last calculated setting 2773 * - Calculate based on average size over 2774 * the last interval. 2775 */ 2776 if (que->eitr_setting) 2777 ixgbe_eitr_write(adapter, que->msix, que->eitr_setting); 2778 2779 que->eitr_setting = 0; 2780 2781 /* Idle, do nothing */ 2782 if ((txr->bytes == 0) && (rxr->bytes == 0)) 2783 goto no_calc; 2784 2785 if ((txr->bytes) && (txr->packets)) 2786 newitr = txr->bytes/txr->packets; 2787 if ((rxr->bytes) && (rxr->packets)) 2788 newitr = uimax(newitr, (rxr->bytes / rxr->packets)); 2789 newitr += 24; /* account for hardware frame, crc */ 2790 2791 /* set an upper boundary */ 2792 newitr = uimin(newitr, 3000); 2793 2794 /* Be nice to the mid range */ 2795 if ((newitr > 300) && (newitr < 1200)) 2796 newitr = (newitr / 3); 2797 else 2798 newitr = (newitr / 2); 2799 2800 /* 2801 * When RSC is used, ITR interval must be larger than RSC_DELAY. 2802 * Currently, we use 2us for RSC_DELAY. The minimum value is always 2803 * greater than 2us on 100M (and 10M?(not documented)), but it's not 2804 * on 1G and higher. 2805 */ 2806 if ((adapter->link_speed != IXGBE_LINK_SPEED_100_FULL) 2807 && (adapter->link_speed != IXGBE_LINK_SPEED_10_FULL)) { 2808 if (newitr < IXGBE_MIN_RSC_EITR_10G1G) 2809 newitr = IXGBE_MIN_RSC_EITR_10G1G; 2810 } 2811 2812 /* save for next interrupt */ 2813 que->eitr_setting = newitr; 2814 2815 /* Reset state */ 2816 txr->bytes = 0; 2817 txr->packets = 0; 2818 rxr->bytes = 0; 2819 rxr->packets = 0; 2820 2821 no_calc: 2822 if (more) 2823 ixgbe_sched_handle_que(adapter, que); 2824 else 2825 ixgbe_enable_queue(adapter, que->msix); 2826 2827 return 1; 2828 } /* ixgbe_msix_que */ 2829 2830 /************************************************************************ 2831 * ixgbe_media_status - Media Ioctl callback 2832 * 2833 * Called whenever the user queries the status of 2834 * the interface using ifconfig. 2835 ************************************************************************/ 2836 static void 2837 ixgbe_media_status(struct ifnet *ifp, struct ifmediareq *ifmr) 2838 { 2839 struct adapter *adapter = ifp->if_softc; 2840 struct ixgbe_hw *hw = &adapter->hw; 2841 int layer; 2842 2843 INIT_DEBUGOUT("ixgbe_media_status: begin"); 2844 ixgbe_update_link_status(adapter); 2845 2846 ifmr->ifm_status = IFM_AVALID; 2847 ifmr->ifm_active = IFM_ETHER; 2848 2849 if (adapter->link_active != LINK_STATE_UP) { 2850 ifmr->ifm_active |= IFM_NONE; 2851 return; 2852 } 2853 2854 ifmr->ifm_status |= IFM_ACTIVE; 2855 layer = adapter->phy_layer; 2856 2857 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_T || 2858 layer & IXGBE_PHYSICAL_LAYER_5GBASE_T || 2859 layer & IXGBE_PHYSICAL_LAYER_2500BASE_T || 2860 layer & IXGBE_PHYSICAL_LAYER_1000BASE_T || 2861 layer & IXGBE_PHYSICAL_LAYER_100BASE_TX || 2862 layer & IXGBE_PHYSICAL_LAYER_10BASE_T) 2863 switch (adapter->link_speed) { 2864 case IXGBE_LINK_SPEED_10GB_FULL: 2865 ifmr->ifm_active |= IFM_10G_T | IFM_FDX; 2866 break; 2867 case IXGBE_LINK_SPEED_5GB_FULL: 2868 ifmr->ifm_active |= IFM_5000_T | IFM_FDX; 2869 break; 2870 case IXGBE_LINK_SPEED_2_5GB_FULL: 2871 ifmr->ifm_active |= IFM_2500_T | IFM_FDX; 2872 break; 2873 case IXGBE_LINK_SPEED_1GB_FULL: 2874 ifmr->ifm_active |= IFM_1000_T | IFM_FDX; 2875 break; 2876 case IXGBE_LINK_SPEED_100_FULL: 2877 ifmr->ifm_active |= IFM_100_TX | IFM_FDX; 2878 break; 2879 case IXGBE_LINK_SPEED_10_FULL: 2880 ifmr->ifm_active |= IFM_10_T | IFM_FDX; 2881 break; 2882 } 2883 if (layer & IXGBE_PHYSICAL_LAYER_SFP_PLUS_CU || 2884 layer & IXGBE_PHYSICAL_LAYER_SFP_ACTIVE_DA) 2885 switch (adapter->link_speed) { 2886 case IXGBE_LINK_SPEED_10GB_FULL: 2887 ifmr->ifm_active |= IFM_10G_TWINAX | IFM_FDX; 2888 break; 2889 } 2890 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_LR) 2891 switch (adapter->link_speed) { 2892 case IXGBE_LINK_SPEED_10GB_FULL: 2893 ifmr->ifm_active |= IFM_10G_LR | IFM_FDX; 2894 break; 2895 case IXGBE_LINK_SPEED_1GB_FULL: 2896 ifmr->ifm_active |= IFM_1000_LX | IFM_FDX; 2897 break; 2898 } 2899 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_LRM) 2900 switch (adapter->link_speed) { 2901 case IXGBE_LINK_SPEED_10GB_FULL: 2902 ifmr->ifm_active |= IFM_10G_LRM | IFM_FDX; 2903 break; 2904 case IXGBE_LINK_SPEED_1GB_FULL: 2905 ifmr->ifm_active |= IFM_1000_LX | IFM_FDX; 2906 break; 2907 } 2908 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_SR || 2909 layer & IXGBE_PHYSICAL_LAYER_1000BASE_SX) 2910 switch (adapter->link_speed) { 2911 case IXGBE_LINK_SPEED_10GB_FULL: 2912 ifmr->ifm_active |= IFM_10G_SR | IFM_FDX; 2913 break; 2914 case IXGBE_LINK_SPEED_1GB_FULL: 2915 ifmr->ifm_active |= IFM_1000_SX | IFM_FDX; 2916 break; 2917 } 2918 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_CX4) 2919 switch (adapter->link_speed) { 2920 case IXGBE_LINK_SPEED_10GB_FULL: 2921 ifmr->ifm_active |= IFM_10G_CX4 | IFM_FDX; 2922 break; 2923 } 2924 /* 2925 * XXX: These need to use the proper media types once 2926 * they're added. 2927 */ 2928 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KR) 2929 switch (adapter->link_speed) { 2930 case IXGBE_LINK_SPEED_10GB_FULL: 2931 ifmr->ifm_active |= IFM_10G_KR | IFM_FDX; 2932 break; 2933 case IXGBE_LINK_SPEED_2_5GB_FULL: 2934 ifmr->ifm_active |= IFM_2500_KX | IFM_FDX; 2935 break; 2936 case IXGBE_LINK_SPEED_1GB_FULL: 2937 ifmr->ifm_active |= IFM_1000_KX | IFM_FDX; 2938 break; 2939 } 2940 else if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KX4 || 2941 layer & IXGBE_PHYSICAL_LAYER_2500BASE_KX || 2942 layer & IXGBE_PHYSICAL_LAYER_1000BASE_KX) 2943 switch (adapter->link_speed) { 2944 case IXGBE_LINK_SPEED_10GB_FULL: 2945 ifmr->ifm_active |= IFM_10G_KX4 | IFM_FDX; 2946 break; 2947 case IXGBE_LINK_SPEED_2_5GB_FULL: 2948 ifmr->ifm_active |= IFM_2500_KX | IFM_FDX; 2949 break; 2950 case IXGBE_LINK_SPEED_1GB_FULL: 2951 ifmr->ifm_active |= IFM_1000_KX | IFM_FDX; 2952 break; 2953 } 2954 2955 /* If nothing is recognized... */ 2956 #if 0 2957 if (IFM_SUBTYPE(ifmr->ifm_active) == 0) 2958 ifmr->ifm_active |= IFM_UNKNOWN; 2959 #endif 2960 2961 ifp->if_baudrate = ifmedia_baudrate(ifmr->ifm_active); 2962 2963 /* Display current flow control setting used on link */ 2964 if (hw->fc.current_mode == ixgbe_fc_rx_pause || 2965 hw->fc.current_mode == ixgbe_fc_full) 2966 ifmr->ifm_active |= IFM_ETH_RXPAUSE; 2967 if (hw->fc.current_mode == ixgbe_fc_tx_pause || 2968 hw->fc.current_mode == ixgbe_fc_full) 2969 ifmr->ifm_active |= IFM_ETH_TXPAUSE; 2970 2971 return; 2972 } /* ixgbe_media_status */ 2973 2974 /************************************************************************ 2975 * ixgbe_media_change - Media Ioctl callback 2976 * 2977 * Called when the user changes speed/duplex using 2978 * media/mediopt option with ifconfig. 2979 ************************************************************************/ 2980 static int 2981 ixgbe_media_change(struct ifnet *ifp) 2982 { 2983 struct adapter *adapter = ifp->if_softc; 2984 struct ifmedia *ifm = &adapter->media; 2985 struct ixgbe_hw *hw = &adapter->hw; 2986 ixgbe_link_speed speed = 0; 2987 ixgbe_link_speed link_caps = 0; 2988 bool negotiate = false; 2989 s32 err = IXGBE_NOT_IMPLEMENTED; 2990 2991 INIT_DEBUGOUT("ixgbe_media_change: begin"); 2992 2993 if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER) 2994 return (EINVAL); 2995 2996 if (hw->phy.media_type == ixgbe_media_type_backplane) 2997 return (EPERM); 2998 2999 /* 3000 * We don't actually need to check against the supported 3001 * media types of the adapter; ifmedia will take care of 3002 * that for us. 3003 */ 3004 switch (IFM_SUBTYPE(ifm->ifm_media)) { 3005 case IFM_AUTO: 3006 err = hw->mac.ops.get_link_capabilities(hw, &link_caps, 3007 &negotiate); 3008 if (err != IXGBE_SUCCESS) { 3009 device_printf(adapter->dev, "Unable to determine " 3010 "supported advertise speeds\n"); 3011 return (ENODEV); 3012 } 3013 speed |= link_caps; 3014 break; 3015 case IFM_10G_T: 3016 case IFM_10G_LRM: 3017 case IFM_10G_LR: 3018 case IFM_10G_TWINAX: 3019 case IFM_10G_SR: 3020 case IFM_10G_CX4: 3021 case IFM_10G_KR: 3022 case IFM_10G_KX4: 3023 speed |= IXGBE_LINK_SPEED_10GB_FULL; 3024 break; 3025 case IFM_5000_T: 3026 speed |= IXGBE_LINK_SPEED_5GB_FULL; 3027 break; 3028 case IFM_2500_T: 3029 case IFM_2500_KX: 3030 speed |= IXGBE_LINK_SPEED_2_5GB_FULL; 3031 break; 3032 case IFM_1000_T: 3033 case IFM_1000_LX: 3034 case IFM_1000_SX: 3035 case IFM_1000_KX: 3036 speed |= IXGBE_LINK_SPEED_1GB_FULL; 3037 break; 3038 case IFM_100_TX: 3039 speed |= IXGBE_LINK_SPEED_100_FULL; 3040 break; 3041 case IFM_10_T: 3042 speed |= IXGBE_LINK_SPEED_10_FULL; 3043 break; 3044 case IFM_NONE: 3045 break; 3046 default: 3047 goto invalid; 3048 } 3049 3050 hw->mac.autotry_restart = TRUE; 3051 hw->mac.ops.setup_link(hw, speed, TRUE); 3052 adapter->advertise = 0; 3053 if (IFM_SUBTYPE(ifm->ifm_media) != IFM_AUTO) { 3054 if ((speed & IXGBE_LINK_SPEED_10GB_FULL) != 0) 3055 adapter->advertise |= 1 << 2; 3056 if ((speed & IXGBE_LINK_SPEED_1GB_FULL) != 0) 3057 adapter->advertise |= 1 << 1; 3058 if ((speed & IXGBE_LINK_SPEED_100_FULL) != 0) 3059 adapter->advertise |= 1 << 0; 3060 if ((speed & IXGBE_LINK_SPEED_10_FULL) != 0) 3061 adapter->advertise |= 1 << 3; 3062 if ((speed & IXGBE_LINK_SPEED_2_5GB_FULL) != 0) 3063 adapter->advertise |= 1 << 4; 3064 if ((speed & IXGBE_LINK_SPEED_5GB_FULL) != 0) 3065 adapter->advertise |= 1 << 5; 3066 } 3067 3068 return (0); 3069 3070 invalid: 3071 device_printf(adapter->dev, "Invalid media type!\n"); 3072 3073 return (EINVAL); 3074 } /* ixgbe_media_change */ 3075 3076 /************************************************************************ 3077 * ixgbe_msix_admin - Link status change ISR (MSI/MSI-X) 3078 ************************************************************************/ 3079 static int 3080 ixgbe_msix_admin(void *arg) 3081 { 3082 struct adapter *adapter = arg; 3083 struct ixgbe_hw *hw = &adapter->hw; 3084 u32 eicr, eicr_mask; 3085 u32 task_requests = 0; 3086 s32 retval; 3087 3088 ++adapter->admin_irqev.ev_count; 3089 3090 /* Pause other interrupts */ 3091 IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_EIMC_OTHER); 3092 3093 /* First get the cause */ 3094 /* 3095 * The specifications of 82598, 82599, X540 and X550 say EICS register 3096 * is write only. However, Linux says it is a workaround for silicon 3097 * errata to read EICS instead of EICR to get interrupt cause. It seems 3098 * there is a problem about read clear mechanism for EICR register. 3099 */ 3100 eicr = IXGBE_READ_REG(hw, IXGBE_EICS); 3101 /* Be sure the queue bits are not cleared */ 3102 eicr &= ~IXGBE_EICR_RTX_QUEUE; 3103 /* Clear interrupt with write */ 3104 IXGBE_WRITE_REG(hw, IXGBE_EICR, eicr); 3105 3106 if (ixgbe_is_sfp(hw)) { 3107 /* Pluggable optics-related interrupt */ 3108 if (hw->mac.type >= ixgbe_mac_X540) 3109 eicr_mask = IXGBE_EICR_GPI_SDP0_X540; 3110 else 3111 eicr_mask = IXGBE_EICR_GPI_SDP2_BY_MAC(hw); 3112 3113 /* 3114 * An interrupt might not arrive when a module is inserted. 3115 * When an link status change interrupt occurred and the driver 3116 * still regard SFP as unplugged, issue the module softint 3117 * and then issue LSC interrupt. 3118 */ 3119 if ((eicr & eicr_mask) 3120 || ((hw->phy.sfp_type == ixgbe_sfp_type_not_present) 3121 && (eicr & IXGBE_EICR_LSC))) { 3122 IXGBE_WRITE_REG(hw, IXGBE_EICR, eicr_mask); 3123 task_requests |= IXGBE_REQUEST_TASK_MOD; 3124 } 3125 3126 if ((hw->mac.type == ixgbe_mac_82599EB) && 3127 (eicr & IXGBE_EICR_GPI_SDP1_BY_MAC(hw))) { 3128 IXGBE_WRITE_REG(hw, IXGBE_EICR, 3129 IXGBE_EICR_GPI_SDP1_BY_MAC(hw)); 3130 task_requests |= IXGBE_REQUEST_TASK_MSF; 3131 } 3132 } 3133 3134 /* Link status change */ 3135 if (eicr & IXGBE_EICR_LSC) { 3136 IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_EIMC_LSC); 3137 task_requests |= IXGBE_REQUEST_TASK_LSC; 3138 } 3139 3140 if (adapter->hw.mac.type != ixgbe_mac_82598EB) { 3141 if ((adapter->feat_en & IXGBE_FEATURE_FDIR) && 3142 (eicr & IXGBE_EICR_FLOW_DIR)) { 3143 /* This is probably overkill :) */ 3144 if (!atomic_cas_uint(&adapter->fdir_reinit, 0, 1)) 3145 return 1; 3146 /* Disable the interrupt */ 3147 IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_EIMC_FLOW_DIR); 3148 task_requests |= IXGBE_REQUEST_TASK_FDIR; 3149 } 3150 3151 if (eicr & IXGBE_EICR_ECC) { 3152 device_printf(adapter->dev, 3153 "CRITICAL: ECC ERROR!! Please Reboot!!\n"); 3154 IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_ECC); 3155 } 3156 3157 /* Check for over temp condition */ 3158 if (adapter->feat_en & IXGBE_FEATURE_TEMP_SENSOR) { 3159 switch (adapter->hw.mac.type) { 3160 case ixgbe_mac_X550EM_a: 3161 if (!(eicr & IXGBE_EICR_GPI_SDP0_X550EM_a)) 3162 break; 3163 IXGBE_WRITE_REG(hw, IXGBE_EIMC, 3164 IXGBE_EICR_GPI_SDP0_X550EM_a); 3165 IXGBE_WRITE_REG(hw, IXGBE_EICR, 3166 IXGBE_EICR_GPI_SDP0_X550EM_a); 3167 retval = hw->phy.ops.check_overtemp(hw); 3168 if (retval != IXGBE_ERR_OVERTEMP) 3169 break; 3170 device_printf(adapter->dev, "CRITICAL: OVER TEMP!! PHY IS SHUT DOWN!!\n"); 3171 device_printf(adapter->dev, "System shutdown required!\n"); 3172 break; 3173 default: 3174 if (!(eicr & IXGBE_EICR_TS)) 3175 break; 3176 retval = hw->phy.ops.check_overtemp(hw); 3177 if (retval != IXGBE_ERR_OVERTEMP) 3178 break; 3179 device_printf(adapter->dev, "CRITICAL: OVER TEMP!! PHY IS SHUT DOWN!!\n"); 3180 device_printf(adapter->dev, "System shutdown required!\n"); 3181 IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_TS); 3182 break; 3183 } 3184 } 3185 3186 /* Check for VF message */ 3187 if ((adapter->feat_en & IXGBE_FEATURE_SRIOV) && 3188 (eicr & IXGBE_EICR_MAILBOX)) { 3189 task_requests |= IXGBE_REQUEST_TASK_MBX; 3190 } 3191 } 3192 3193 /* Check for fan failure */ 3194 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) { 3195 ixgbe_check_fan_failure(adapter, eicr, TRUE); 3196 IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_GPI_SDP1_BY_MAC(hw)); 3197 } 3198 3199 /* External PHY interrupt */ 3200 if ((hw->phy.type == ixgbe_phy_x550em_ext_t) && 3201 (eicr & IXGBE_EICR_GPI_SDP0_X540)) { 3202 IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_GPI_SDP0_X540); 3203 task_requests |= IXGBE_REQUEST_TASK_PHY; 3204 } 3205 3206 if (task_requests != 0) { 3207 /* Re-enabling other interrupts is done in the admin task */ 3208 task_requests |= IXGBE_REQUEST_TASK_NEED_ACKINTR; 3209 atomic_or_32(&adapter->task_requests, task_requests); 3210 ixgbe_schedule_admin_tasklet(adapter); 3211 } else { 3212 /* Re-enable other interrupts */ 3213 IXGBE_WRITE_REG(hw, IXGBE_EIMS, IXGBE_EIMS_OTHER); 3214 } 3215 3216 return 1; 3217 } /* ixgbe_msix_admin */ 3218 3219 static void 3220 ixgbe_eitr_write(struct adapter *adapter, uint32_t index, uint32_t itr) 3221 { 3222 3223 if (adapter->hw.mac.type == ixgbe_mac_82598EB) 3224 itr |= itr << 16; 3225 else 3226 itr |= IXGBE_EITR_CNT_WDIS; 3227 3228 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EITR(index), itr); 3229 } 3230 3231 3232 /************************************************************************ 3233 * ixgbe_sysctl_interrupt_rate_handler 3234 ************************************************************************/ 3235 static int 3236 ixgbe_sysctl_interrupt_rate_handler(SYSCTLFN_ARGS) 3237 { 3238 struct sysctlnode node = *rnode; 3239 struct ix_queue *que = (struct ix_queue *)node.sysctl_data; 3240 struct adapter *adapter; 3241 uint32_t reg, usec, rate; 3242 int error; 3243 3244 if (que == NULL) 3245 return 0; 3246 3247 adapter = que->adapter; 3248 if (ixgbe_fw_recovery_mode_swflag(adapter)) 3249 return (EPERM); 3250 3251 reg = IXGBE_READ_REG(&adapter->hw, IXGBE_EITR(que->msix)); 3252 usec = ((reg & 0x0FF8) >> 3); 3253 if (usec > 0) 3254 rate = 500000 / usec; 3255 else 3256 rate = 0; 3257 node.sysctl_data = &rate; 3258 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 3259 if (error || newp == NULL) 3260 return error; 3261 reg &= ~0xfff; /* default, no limitation */ 3262 if (rate > 0 && rate < 500000) { 3263 if (rate < 1000) 3264 rate = 1000; 3265 reg |= ((4000000 / rate) & 0xff8); 3266 /* 3267 * When RSC is used, ITR interval must be larger than 3268 * RSC_DELAY. Currently, we use 2us for RSC_DELAY. 3269 * The minimum value is always greater than 2us on 100M 3270 * (and 10M?(not documented)), but it's not on 1G and higher. 3271 */ 3272 if ((adapter->link_speed != IXGBE_LINK_SPEED_100_FULL) 3273 && (adapter->link_speed != IXGBE_LINK_SPEED_10_FULL)) { 3274 if ((adapter->num_queues > 1) 3275 && (reg < IXGBE_MIN_RSC_EITR_10G1G)) 3276 return EINVAL; 3277 } 3278 ixgbe_max_interrupt_rate = rate; 3279 } else 3280 ixgbe_max_interrupt_rate = 0; 3281 ixgbe_eitr_write(adapter, que->msix, reg); 3282 3283 return (0); 3284 } /* ixgbe_sysctl_interrupt_rate_handler */ 3285 3286 const struct sysctlnode * 3287 ixgbe_sysctl_instance(struct adapter *adapter) 3288 { 3289 const char *dvname; 3290 struct sysctllog **log; 3291 int rc; 3292 const struct sysctlnode *rnode; 3293 3294 if (adapter->sysctltop != NULL) 3295 return adapter->sysctltop; 3296 3297 log = &adapter->sysctllog; 3298 dvname = device_xname(adapter->dev); 3299 3300 if ((rc = sysctl_createv(log, 0, NULL, &rnode, 3301 0, CTLTYPE_NODE, dvname, 3302 SYSCTL_DESCR("ixgbe information and settings"), 3303 NULL, 0, NULL, 0, CTL_HW, CTL_CREATE, CTL_EOL)) != 0) 3304 goto err; 3305 3306 return rnode; 3307 err: 3308 device_printf(adapter->dev, 3309 "%s: sysctl_createv failed, rc = %d\n", __func__, rc); 3310 return NULL; 3311 } 3312 3313 /************************************************************************ 3314 * ixgbe_add_device_sysctls 3315 ************************************************************************/ 3316 static void 3317 ixgbe_add_device_sysctls(struct adapter *adapter) 3318 { 3319 device_t dev = adapter->dev; 3320 struct ixgbe_hw *hw = &adapter->hw; 3321 struct sysctllog **log; 3322 const struct sysctlnode *rnode, *cnode; 3323 3324 log = &adapter->sysctllog; 3325 3326 if ((rnode = ixgbe_sysctl_instance(adapter)) == NULL) { 3327 aprint_error_dev(dev, "could not create sysctl root\n"); 3328 return; 3329 } 3330 3331 if (sysctl_createv(log, 0, &rnode, &cnode, 3332 CTLFLAG_READWRITE, CTLTYPE_INT, 3333 "debug", SYSCTL_DESCR("Debug Info"), 3334 ixgbe_sysctl_debug, 0, (void *)adapter, 0, CTL_CREATE, CTL_EOL) != 0) 3335 aprint_error_dev(dev, "could not create sysctl\n"); 3336 3337 if (sysctl_createv(log, 0, &rnode, &cnode, 3338 CTLFLAG_READONLY, CTLTYPE_INT, 3339 "num_rx_desc", SYSCTL_DESCR("Number of rx descriptors"), 3340 NULL, 0, &adapter->num_rx_desc, 0, CTL_CREATE, CTL_EOL) != 0) 3341 aprint_error_dev(dev, "could not create sysctl\n"); 3342 3343 if (sysctl_createv(log, 0, &rnode, &cnode, 3344 CTLFLAG_READONLY, CTLTYPE_INT, 3345 "num_queues", SYSCTL_DESCR("Number of queues"), 3346 NULL, 0, &adapter->num_queues, 0, CTL_CREATE, CTL_EOL) != 0) 3347 aprint_error_dev(dev, "could not create sysctl\n"); 3348 3349 /* Sysctls for all devices */ 3350 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3351 CTLTYPE_INT, "fc", SYSCTL_DESCR(IXGBE_SYSCTL_DESC_SET_FC), 3352 ixgbe_sysctl_flowcntl, 0, (void *)adapter, 0, CTL_CREATE, 3353 CTL_EOL) != 0) 3354 aprint_error_dev(dev, "could not create sysctl\n"); 3355 3356 adapter->enable_aim = ixgbe_enable_aim; 3357 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3358 CTLTYPE_BOOL, "enable_aim", SYSCTL_DESCR("Interrupt Moderation"), 3359 NULL, 0, &adapter->enable_aim, 0, CTL_CREATE, CTL_EOL) != 0) 3360 aprint_error_dev(dev, "could not create sysctl\n"); 3361 3362 if (sysctl_createv(log, 0, &rnode, &cnode, 3363 CTLFLAG_READWRITE, CTLTYPE_INT, 3364 "advertise_speed", SYSCTL_DESCR(IXGBE_SYSCTL_DESC_ADV_SPEED), 3365 ixgbe_sysctl_advertise, 0, (void *)adapter, 0, CTL_CREATE, 3366 CTL_EOL) != 0) 3367 aprint_error_dev(dev, "could not create sysctl\n"); 3368 3369 /* 3370 * If each "que->txrx_use_workqueue" is changed in sysctl handler, 3371 * it causesflip-flopping softint/workqueue mode in one deferred 3372 * processing. Therefore, preempt_disable()/preempt_enable() are 3373 * required in ixgbe_sched_handle_que() to avoid 3374 * KASSERT(ixgbe_sched_handle_que()) in softint_schedule(). 3375 * I think changing "que->txrx_use_workqueue" in interrupt handler 3376 * is lighter than doing preempt_disable()/preempt_enable() in every 3377 * ixgbe_sched_handle_que(). 3378 */ 3379 adapter->txrx_use_workqueue = ixgbe_txrx_workqueue; 3380 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3381 CTLTYPE_BOOL, "txrx_workqueue", SYSCTL_DESCR("Use workqueue for packet processing"), 3382 NULL, 0, &adapter->txrx_use_workqueue, 0, CTL_CREATE, CTL_EOL) != 0) 3383 aprint_error_dev(dev, "could not create sysctl\n"); 3384 3385 #ifdef IXGBE_DEBUG 3386 /* testing sysctls (for all devices) */ 3387 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3388 CTLTYPE_INT, "power_state", SYSCTL_DESCR("PCI Power State"), 3389 ixgbe_sysctl_power_state, 0, (void *)adapter, 0, CTL_CREATE, 3390 CTL_EOL) != 0) 3391 aprint_error_dev(dev, "could not create sysctl\n"); 3392 3393 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READONLY, 3394 CTLTYPE_STRING, "print_rss_config", 3395 SYSCTL_DESCR("Prints RSS Configuration"), 3396 ixgbe_sysctl_print_rss_config, 0, (void *)adapter, 0, CTL_CREATE, 3397 CTL_EOL) != 0) 3398 aprint_error_dev(dev, "could not create sysctl\n"); 3399 #endif 3400 /* for X550 series devices */ 3401 if (hw->mac.type >= ixgbe_mac_X550) 3402 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3403 CTLTYPE_INT, "dmac", SYSCTL_DESCR("DMA Coalesce"), 3404 ixgbe_sysctl_dmac, 0, (void *)adapter, 0, CTL_CREATE, 3405 CTL_EOL) != 0) 3406 aprint_error_dev(dev, "could not create sysctl\n"); 3407 3408 /* for WoL-capable devices */ 3409 if (adapter->wol_support) { 3410 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3411 CTLTYPE_BOOL, "wol_enable", 3412 SYSCTL_DESCR("Enable/Disable Wake on LAN"), 3413 ixgbe_sysctl_wol_enable, 0, (void *)adapter, 0, CTL_CREATE, 3414 CTL_EOL) != 0) 3415 aprint_error_dev(dev, "could not create sysctl\n"); 3416 3417 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3418 CTLTYPE_INT, "wufc", 3419 SYSCTL_DESCR("Enable/Disable Wake Up Filters"), 3420 ixgbe_sysctl_wufc, 0, (void *)adapter, 0, CTL_CREATE, 3421 CTL_EOL) != 0) 3422 aprint_error_dev(dev, "could not create sysctl\n"); 3423 } 3424 3425 /* for X552/X557-AT devices */ 3426 if (hw->device_id == IXGBE_DEV_ID_X550EM_X_10G_T) { 3427 const struct sysctlnode *phy_node; 3428 3429 if (sysctl_createv(log, 0, &rnode, &phy_node, 0, CTLTYPE_NODE, 3430 "phy", SYSCTL_DESCR("External PHY sysctls"), 3431 NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL) != 0) { 3432 aprint_error_dev(dev, "could not create sysctl\n"); 3433 return; 3434 } 3435 3436 if (sysctl_createv(log, 0, &phy_node, &cnode, CTLFLAG_READONLY, 3437 CTLTYPE_INT, "temp", 3438 SYSCTL_DESCR("Current External PHY Temperature (Celsius)"), 3439 ixgbe_sysctl_phy_temp, 0, (void *)adapter, 0, CTL_CREATE, 3440 CTL_EOL) != 0) 3441 aprint_error_dev(dev, "could not create sysctl\n"); 3442 3443 if (sysctl_createv(log, 0, &phy_node, &cnode, CTLFLAG_READONLY, 3444 CTLTYPE_INT, "overtemp_occurred", 3445 SYSCTL_DESCR("External PHY High Temperature Event Occurred"), 3446 ixgbe_sysctl_phy_overtemp_occurred, 0, (void *)adapter, 0, 3447 CTL_CREATE, CTL_EOL) != 0) 3448 aprint_error_dev(dev, "could not create sysctl\n"); 3449 } 3450 3451 if ((hw->mac.type == ixgbe_mac_X550EM_a) 3452 && (hw->phy.type == ixgbe_phy_fw)) 3453 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3454 CTLTYPE_BOOL, "force_10_100_autonego", 3455 SYSCTL_DESCR("Force autonego on 10M and 100M"), 3456 NULL, 0, &hw->phy.force_10_100_autonego, 0, 3457 CTL_CREATE, CTL_EOL) != 0) 3458 aprint_error_dev(dev, "could not create sysctl\n"); 3459 3460 if (adapter->feat_cap & IXGBE_FEATURE_EEE) { 3461 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3462 CTLTYPE_INT, "eee_state", 3463 SYSCTL_DESCR("EEE Power Save State"), 3464 ixgbe_sysctl_eee_state, 0, (void *)adapter, 0, CTL_CREATE, 3465 CTL_EOL) != 0) 3466 aprint_error_dev(dev, "could not create sysctl\n"); 3467 } 3468 } /* ixgbe_add_device_sysctls */ 3469 3470 /************************************************************************ 3471 * ixgbe_allocate_pci_resources 3472 ************************************************************************/ 3473 static int 3474 ixgbe_allocate_pci_resources(struct adapter *adapter, 3475 const struct pci_attach_args *pa) 3476 { 3477 pcireg_t memtype, csr; 3478 device_t dev = adapter->dev; 3479 bus_addr_t addr; 3480 int flags; 3481 3482 memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, PCI_BAR(0)); 3483 switch (memtype) { 3484 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT: 3485 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT: 3486 adapter->osdep.mem_bus_space_tag = pa->pa_memt; 3487 if (pci_mapreg_info(pa->pa_pc, pa->pa_tag, PCI_BAR(0), 3488 memtype, &addr, &adapter->osdep.mem_size, &flags) != 0) 3489 goto map_err; 3490 if ((flags & BUS_SPACE_MAP_PREFETCHABLE) != 0) { 3491 aprint_normal_dev(dev, "clearing prefetchable bit\n"); 3492 flags &= ~BUS_SPACE_MAP_PREFETCHABLE; 3493 } 3494 if (bus_space_map(adapter->osdep.mem_bus_space_tag, addr, 3495 adapter->osdep.mem_size, flags, 3496 &adapter->osdep.mem_bus_space_handle) != 0) { 3497 map_err: 3498 adapter->osdep.mem_size = 0; 3499 aprint_error_dev(dev, "unable to map BAR0\n"); 3500 return ENXIO; 3501 } 3502 /* 3503 * Enable address decoding for memory range in case BIOS or 3504 * UEFI don't set it. 3505 */ 3506 csr = pci_conf_read(pa->pa_pc, pa->pa_tag, 3507 PCI_COMMAND_STATUS_REG); 3508 csr |= PCI_COMMAND_MEM_ENABLE; 3509 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 3510 csr); 3511 break; 3512 default: 3513 aprint_error_dev(dev, "unexpected type on BAR0\n"); 3514 return ENXIO; 3515 } 3516 3517 return (0); 3518 } /* ixgbe_allocate_pci_resources */ 3519 3520 static void 3521 ixgbe_free_deferred_handlers(struct adapter *adapter) 3522 { 3523 struct ix_queue *que = adapter->queues; 3524 struct tx_ring *txr = adapter->tx_rings; 3525 int i; 3526 3527 for (i = 0; i < adapter->num_queues; i++, que++, txr++) { 3528 if (!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX)) { 3529 if (txr->txr_si != NULL) 3530 softint_disestablish(txr->txr_si); 3531 } 3532 if (que->que_si != NULL) 3533 softint_disestablish(que->que_si); 3534 } 3535 if (adapter->txr_wq != NULL) 3536 workqueue_destroy(adapter->txr_wq); 3537 if (adapter->txr_wq_enqueued != NULL) 3538 percpu_free(adapter->txr_wq_enqueued, sizeof(u_int)); 3539 if (adapter->que_wq != NULL) 3540 workqueue_destroy(adapter->que_wq); 3541 3542 if (adapter->admin_wq != NULL) { 3543 workqueue_destroy(adapter->admin_wq); 3544 adapter->admin_wq = NULL; 3545 } 3546 if (adapter->timer_wq != NULL) { 3547 workqueue_destroy(adapter->timer_wq); 3548 adapter->timer_wq = NULL; 3549 } 3550 if (adapter->recovery_mode_timer_wq != NULL) { 3551 /* 3552 * ixgbe_ifstop() doesn't call the workqueue_wait() for 3553 * the recovery_mode_timer workqueue, so call it here. 3554 */ 3555 workqueue_wait(adapter->recovery_mode_timer_wq, 3556 &adapter->recovery_mode_timer_wc); 3557 atomic_store_relaxed(&adapter->recovery_mode_timer_pending, 0); 3558 workqueue_destroy(adapter->recovery_mode_timer_wq); 3559 adapter->recovery_mode_timer_wq = NULL; 3560 } 3561 } /* ixgbe_free_deferred_handlers */ 3562 3563 /************************************************************************ 3564 * ixgbe_detach - Device removal routine 3565 * 3566 * Called when the driver is being removed. 3567 * Stops the adapter and deallocates all the resources 3568 * that were allocated for driver operation. 3569 * 3570 * return 0 on success, positive on failure 3571 ************************************************************************/ 3572 static int 3573 ixgbe_detach(device_t dev, int flags) 3574 { 3575 struct adapter *adapter = device_private(dev); 3576 struct rx_ring *rxr = adapter->rx_rings; 3577 struct tx_ring *txr = adapter->tx_rings; 3578 struct ixgbe_hw *hw = &adapter->hw; 3579 struct ixgbe_hw_stats *stats = &adapter->stats.pf; 3580 u32 ctrl_ext; 3581 int i; 3582 3583 INIT_DEBUGOUT("ixgbe_detach: begin"); 3584 if (adapter->osdep.attached == false) 3585 return 0; 3586 3587 if (ixgbe_pci_iov_detach(dev) != 0) { 3588 device_printf(dev, "SR-IOV in use; detach first.\n"); 3589 return (EBUSY); 3590 } 3591 3592 #if NVLAN > 0 3593 /* Make sure VLANs are not using driver */ 3594 if (!VLAN_ATTACHED(&adapter->osdep.ec)) 3595 ; /* nothing to do: no VLANs */ 3596 else if ((flags & (DETACH_SHUTDOWN | DETACH_FORCE)) != 0) 3597 vlan_ifdetach(adapter->ifp); 3598 else { 3599 aprint_error_dev(dev, "VLANs in use, detach first\n"); 3600 return (EBUSY); 3601 } 3602 #endif 3603 3604 adapter->osdep.detaching = true; 3605 /* 3606 * Stop the interface. ixgbe_setup_low_power_mode() calls 3607 * ixgbe_ifstop(), so it's not required to call ixgbe_ifstop() 3608 * directly. 3609 */ 3610 ixgbe_setup_low_power_mode(adapter); 3611 3612 callout_halt(&adapter->timer, NULL); 3613 if (adapter->feat_en & IXGBE_FEATURE_RECOVERY_MODE) 3614 callout_halt(&adapter->recovery_mode_timer, NULL); 3615 3616 workqueue_wait(adapter->admin_wq, &adapter->admin_wc); 3617 atomic_store_relaxed(&adapter->admin_pending, 0); 3618 workqueue_wait(adapter->timer_wq, &adapter->timer_wc); 3619 atomic_store_relaxed(&adapter->timer_pending, 0); 3620 3621 pmf_device_deregister(dev); 3622 3623 ether_ifdetach(adapter->ifp); 3624 3625 ixgbe_free_deferred_handlers(adapter); 3626 3627 /* let hardware know driver is unloading */ 3628 ctrl_ext = IXGBE_READ_REG(&adapter->hw, IXGBE_CTRL_EXT); 3629 ctrl_ext &= ~IXGBE_CTRL_EXT_DRV_LOAD; 3630 IXGBE_WRITE_REG(&adapter->hw, IXGBE_CTRL_EXT, ctrl_ext); 3631 3632 if (adapter->feat_en & IXGBE_FEATURE_NETMAP) 3633 netmap_detach(adapter->ifp); 3634 3635 ixgbe_free_pci_resources(adapter); 3636 #if 0 /* XXX the NetBSD port is probably missing something here */ 3637 bus_generic_detach(dev); 3638 #endif 3639 if_detach(adapter->ifp); 3640 ifmedia_fini(&adapter->media); 3641 if_percpuq_destroy(adapter->ipq); 3642 3643 sysctl_teardown(&adapter->sysctllog); 3644 evcnt_detach(&adapter->efbig_tx_dma_setup); 3645 evcnt_detach(&adapter->mbuf_defrag_failed); 3646 evcnt_detach(&adapter->efbig2_tx_dma_setup); 3647 evcnt_detach(&adapter->einval_tx_dma_setup); 3648 evcnt_detach(&adapter->other_tx_dma_setup); 3649 evcnt_detach(&adapter->eagain_tx_dma_setup); 3650 evcnt_detach(&adapter->enomem_tx_dma_setup); 3651 evcnt_detach(&adapter->watchdog_events); 3652 evcnt_detach(&adapter->tso_err); 3653 evcnt_detach(&adapter->admin_irqev); 3654 evcnt_detach(&adapter->link_workev); 3655 evcnt_detach(&adapter->mod_workev); 3656 evcnt_detach(&adapter->msf_workev); 3657 evcnt_detach(&adapter->phy_workev); 3658 3659 for (i = 0; i < IXGBE_TC_COUNTER_NUM; i++) { 3660 if (i < __arraycount(stats->mpc)) { 3661 evcnt_detach(&stats->mpc[i]); 3662 if (hw->mac.type == ixgbe_mac_82598EB) 3663 evcnt_detach(&stats->rnbc[i]); 3664 } 3665 if (i < __arraycount(stats->pxontxc)) { 3666 evcnt_detach(&stats->pxontxc[i]); 3667 evcnt_detach(&stats->pxonrxc[i]); 3668 evcnt_detach(&stats->pxofftxc[i]); 3669 evcnt_detach(&stats->pxoffrxc[i]); 3670 if (hw->mac.type >= ixgbe_mac_82599EB) 3671 evcnt_detach(&stats->pxon2offc[i]); 3672 } 3673 } 3674 3675 txr = adapter->tx_rings; 3676 for (i = 0; i < adapter->num_queues; i++, rxr++, txr++) { 3677 evcnt_detach(&adapter->queues[i].irqs); 3678 evcnt_detach(&adapter->queues[i].handleq); 3679 evcnt_detach(&adapter->queues[i].req); 3680 evcnt_detach(&txr->no_desc_avail); 3681 evcnt_detach(&txr->total_packets); 3682 evcnt_detach(&txr->tso_tx); 3683 #ifndef IXGBE_LEGACY_TX 3684 evcnt_detach(&txr->pcq_drops); 3685 #endif 3686 3687 if (i < __arraycount(stats->qprc)) { 3688 evcnt_detach(&stats->qprc[i]); 3689 evcnt_detach(&stats->qptc[i]); 3690 evcnt_detach(&stats->qbrc[i]); 3691 evcnt_detach(&stats->qbtc[i]); 3692 if (hw->mac.type >= ixgbe_mac_82599EB) 3693 evcnt_detach(&stats->qprdc[i]); 3694 } 3695 3696 evcnt_detach(&rxr->rx_packets); 3697 evcnt_detach(&rxr->rx_bytes); 3698 evcnt_detach(&rxr->rx_copies); 3699 evcnt_detach(&rxr->no_jmbuf); 3700 evcnt_detach(&rxr->rx_discarded); 3701 } 3702 evcnt_detach(&stats->ipcs); 3703 evcnt_detach(&stats->l4cs); 3704 evcnt_detach(&stats->ipcs_bad); 3705 evcnt_detach(&stats->l4cs_bad); 3706 evcnt_detach(&stats->intzero); 3707 evcnt_detach(&stats->legint); 3708 evcnt_detach(&stats->crcerrs); 3709 evcnt_detach(&stats->illerrc); 3710 evcnt_detach(&stats->errbc); 3711 evcnt_detach(&stats->mspdc); 3712 if (hw->mac.type >= ixgbe_mac_X550) 3713 evcnt_detach(&stats->mbsdc); 3714 evcnt_detach(&stats->mpctotal); 3715 evcnt_detach(&stats->mlfc); 3716 evcnt_detach(&stats->mrfc); 3717 evcnt_detach(&stats->rlec); 3718 evcnt_detach(&stats->lxontxc); 3719 evcnt_detach(&stats->lxonrxc); 3720 evcnt_detach(&stats->lxofftxc); 3721 evcnt_detach(&stats->lxoffrxc); 3722 3723 /* Packet Reception Stats */ 3724 evcnt_detach(&stats->tor); 3725 evcnt_detach(&stats->gorc); 3726 evcnt_detach(&stats->tpr); 3727 evcnt_detach(&stats->gprc); 3728 evcnt_detach(&stats->mprc); 3729 evcnt_detach(&stats->bprc); 3730 evcnt_detach(&stats->prc64); 3731 evcnt_detach(&stats->prc127); 3732 evcnt_detach(&stats->prc255); 3733 evcnt_detach(&stats->prc511); 3734 evcnt_detach(&stats->prc1023); 3735 evcnt_detach(&stats->prc1522); 3736 evcnt_detach(&stats->ruc); 3737 evcnt_detach(&stats->rfc); 3738 evcnt_detach(&stats->roc); 3739 evcnt_detach(&stats->rjc); 3740 evcnt_detach(&stats->mngprc); 3741 evcnt_detach(&stats->mngpdc); 3742 evcnt_detach(&stats->xec); 3743 3744 /* Packet Transmission Stats */ 3745 evcnt_detach(&stats->gotc); 3746 evcnt_detach(&stats->tpt); 3747 evcnt_detach(&stats->gptc); 3748 evcnt_detach(&stats->bptc); 3749 evcnt_detach(&stats->mptc); 3750 evcnt_detach(&stats->mngptc); 3751 evcnt_detach(&stats->ptc64); 3752 evcnt_detach(&stats->ptc127); 3753 evcnt_detach(&stats->ptc255); 3754 evcnt_detach(&stats->ptc511); 3755 evcnt_detach(&stats->ptc1023); 3756 evcnt_detach(&stats->ptc1522); 3757 3758 ixgbe_free_queues(adapter); 3759 free(adapter->mta, M_DEVBUF); 3760 3761 IXGBE_CORE_LOCK_DESTROY(adapter); 3762 3763 return (0); 3764 } /* ixgbe_detach */ 3765 3766 /************************************************************************ 3767 * ixgbe_setup_low_power_mode - LPLU/WoL preparation 3768 * 3769 * Prepare the adapter/port for LPLU and/or WoL 3770 ************************************************************************/ 3771 static int 3772 ixgbe_setup_low_power_mode(struct adapter *adapter) 3773 { 3774 struct ixgbe_hw *hw = &adapter->hw; 3775 device_t dev = adapter->dev; 3776 struct ifnet *ifp = adapter->ifp; 3777 s32 error = 0; 3778 3779 /* Limit power management flow to X550EM baseT */ 3780 if (hw->device_id == IXGBE_DEV_ID_X550EM_X_10G_T && 3781 hw->phy.ops.enter_lplu) { 3782 /* X550EM baseT adapters need a special LPLU flow */ 3783 hw->phy.reset_disable = true; 3784 ixgbe_ifstop(ifp, 1); 3785 error = hw->phy.ops.enter_lplu(hw); 3786 if (error) 3787 device_printf(dev, 3788 "Error entering LPLU: %d\n", error); 3789 hw->phy.reset_disable = false; 3790 } else { 3791 /* Just stop for other adapters */ 3792 ixgbe_ifstop(ifp, 1); 3793 } 3794 3795 IXGBE_CORE_LOCK(adapter); 3796 3797 if (!hw->wol_enabled) { 3798 ixgbe_set_phy_power(hw, FALSE); 3799 IXGBE_WRITE_REG(hw, IXGBE_WUFC, 0); 3800 IXGBE_WRITE_REG(hw, IXGBE_WUC, 0); 3801 } else { 3802 /* Turn off support for APM wakeup. (Using ACPI instead) */ 3803 IXGBE_WRITE_REG(hw, IXGBE_GRC_BY_MAC(hw), 3804 IXGBE_READ_REG(hw, IXGBE_GRC_BY_MAC(hw)) & ~(u32)2); 3805 3806 /* 3807 * Clear Wake Up Status register to prevent any previous wakeup 3808 * events from waking us up immediately after we suspend. 3809 */ 3810 IXGBE_WRITE_REG(hw, IXGBE_WUS, 0xffffffff); 3811 3812 /* 3813 * Program the Wakeup Filter Control register with user filter 3814 * settings 3815 */ 3816 IXGBE_WRITE_REG(hw, IXGBE_WUFC, adapter->wufc); 3817 3818 /* Enable wakeups and power management in Wakeup Control */ 3819 IXGBE_WRITE_REG(hw, IXGBE_WUC, 3820 IXGBE_WUC_WKEN | IXGBE_WUC_PME_EN); 3821 3822 } 3823 3824 IXGBE_CORE_UNLOCK(adapter); 3825 3826 return error; 3827 } /* ixgbe_setup_low_power_mode */ 3828 3829 /************************************************************************ 3830 * ixgbe_shutdown - Shutdown entry point 3831 ************************************************************************/ 3832 #if 0 /* XXX NetBSD ought to register something like this through pmf(9) */ 3833 static int 3834 ixgbe_shutdown(device_t dev) 3835 { 3836 struct adapter *adapter = device_private(dev); 3837 int error = 0; 3838 3839 INIT_DEBUGOUT("ixgbe_shutdown: begin"); 3840 3841 error = ixgbe_setup_low_power_mode(adapter); 3842 3843 return (error); 3844 } /* ixgbe_shutdown */ 3845 #endif 3846 3847 /************************************************************************ 3848 * ixgbe_suspend 3849 * 3850 * From D0 to D3 3851 ************************************************************************/ 3852 static bool 3853 ixgbe_suspend(device_t dev, const pmf_qual_t *qual) 3854 { 3855 struct adapter *adapter = device_private(dev); 3856 int error = 0; 3857 3858 INIT_DEBUGOUT("ixgbe_suspend: begin"); 3859 3860 error = ixgbe_setup_low_power_mode(adapter); 3861 3862 return (error); 3863 } /* ixgbe_suspend */ 3864 3865 /************************************************************************ 3866 * ixgbe_resume 3867 * 3868 * From D3 to D0 3869 ************************************************************************/ 3870 static bool 3871 ixgbe_resume(device_t dev, const pmf_qual_t *qual) 3872 { 3873 struct adapter *adapter = device_private(dev); 3874 struct ifnet *ifp = adapter->ifp; 3875 struct ixgbe_hw *hw = &adapter->hw; 3876 u32 wus; 3877 3878 INIT_DEBUGOUT("ixgbe_resume: begin"); 3879 3880 IXGBE_CORE_LOCK(adapter); 3881 3882 /* Read & clear WUS register */ 3883 wus = IXGBE_READ_REG(hw, IXGBE_WUS); 3884 if (wus) 3885 device_printf(dev, "Woken up by (WUS): %#010x\n", 3886 IXGBE_READ_REG(hw, IXGBE_WUS)); 3887 IXGBE_WRITE_REG(hw, IXGBE_WUS, 0xffffffff); 3888 /* And clear WUFC until next low-power transition */ 3889 IXGBE_WRITE_REG(hw, IXGBE_WUFC, 0); 3890 3891 /* 3892 * Required after D3->D0 transition; 3893 * will re-advertise all previous advertised speeds 3894 */ 3895 if (ifp->if_flags & IFF_UP) 3896 ixgbe_init_locked(adapter); 3897 3898 IXGBE_CORE_UNLOCK(adapter); 3899 3900 return true; 3901 } /* ixgbe_resume */ 3902 3903 /* 3904 * Set the various hardware offload abilities. 3905 * 3906 * This takes the ifnet's if_capenable flags (e.g. set by the user using 3907 * ifconfig) and indicates to the OS via the ifnet's if_hwassist field what 3908 * mbuf offload flags the driver will understand. 3909 */ 3910 static void 3911 ixgbe_set_if_hwassist(struct adapter *adapter) 3912 { 3913 /* XXX */ 3914 } 3915 3916 /************************************************************************ 3917 * ixgbe_init_locked - Init entry point 3918 * 3919 * Used in two ways: It is used by the stack as an init 3920 * entry point in network interface structure. It is also 3921 * used by the driver as a hw/sw initialization routine to 3922 * get to a consistent state. 3923 * 3924 * return 0 on success, positive on failure 3925 ************************************************************************/ 3926 static void 3927 ixgbe_init_locked(struct adapter *adapter) 3928 { 3929 struct ifnet *ifp = adapter->ifp; 3930 device_t dev = adapter->dev; 3931 struct ixgbe_hw *hw = &adapter->hw; 3932 struct ix_queue *que; 3933 struct tx_ring *txr; 3934 struct rx_ring *rxr; 3935 u32 txdctl, mhadd; 3936 u32 rxdctl, rxctrl; 3937 u32 ctrl_ext; 3938 bool unsupported_sfp = false; 3939 int i, j, err; 3940 3941 /* XXX check IFF_UP and IFF_RUNNING, power-saving state! */ 3942 3943 KASSERT(mutex_owned(&adapter->core_mtx)); 3944 INIT_DEBUGOUT("ixgbe_init_locked: begin"); 3945 3946 hw->need_unsupported_sfp_recovery = false; 3947 hw->adapter_stopped = FALSE; 3948 ixgbe_stop_adapter(hw); 3949 callout_stop(&adapter->timer); 3950 if (adapter->feat_en & IXGBE_FEATURE_RECOVERY_MODE) 3951 callout_stop(&adapter->recovery_mode_timer); 3952 for (i = 0, que = adapter->queues; i < adapter->num_queues; i++, que++) 3953 que->disabled_count = 0; 3954 3955 /* XXX I moved this here from the SIOCSIFMTU case in ixgbe_ioctl(). */ 3956 adapter->max_frame_size = 3957 ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN; 3958 3959 /* Queue indices may change with IOV mode */ 3960 ixgbe_align_all_queue_indices(adapter); 3961 3962 /* reprogram the RAR[0] in case user changed it. */ 3963 ixgbe_set_rar(hw, 0, hw->mac.addr, adapter->pool, IXGBE_RAH_AV); 3964 3965 /* Get the latest mac address, User can use a LAA */ 3966 memcpy(hw->mac.addr, CLLADDR(ifp->if_sadl), 3967 IXGBE_ETH_LENGTH_OF_ADDRESS); 3968 ixgbe_set_rar(hw, 0, hw->mac.addr, adapter->pool, 1); 3969 hw->addr_ctrl.rar_used_count = 1; 3970 3971 /* Set hardware offload abilities from ifnet flags */ 3972 ixgbe_set_if_hwassist(adapter); 3973 3974 /* Prepare transmit descriptors and buffers */ 3975 if (ixgbe_setup_transmit_structures(adapter)) { 3976 device_printf(dev, "Could not setup transmit structures\n"); 3977 ixgbe_stop_locked(adapter); 3978 return; 3979 } 3980 3981 ixgbe_init_hw(hw); 3982 3983 ixgbe_initialize_iov(adapter); 3984 3985 ixgbe_initialize_transmit_units(adapter); 3986 3987 /* Setup Multicast table */ 3988 ixgbe_set_rxfilter(adapter); 3989 3990 /* Determine the correct mbuf pool, based on frame size */ 3991 if (adapter->max_frame_size <= MCLBYTES) 3992 adapter->rx_mbuf_sz = MCLBYTES; 3993 else 3994 adapter->rx_mbuf_sz = MJUMPAGESIZE; 3995 3996 /* Prepare receive descriptors and buffers */ 3997 if (ixgbe_setup_receive_structures(adapter)) { 3998 device_printf(dev, "Could not setup receive structures\n"); 3999 ixgbe_stop_locked(adapter); 4000 return; 4001 } 4002 4003 /* Configure RX settings */ 4004 ixgbe_initialize_receive_units(adapter); 4005 4006 /* Initialize variable holding task enqueue requests interrupts */ 4007 adapter->task_requests = 0; 4008 4009 /* Enable SDP & MSI-X interrupts based on adapter */ 4010 ixgbe_config_gpie(adapter); 4011 4012 /* Set MTU size */ 4013 if (ifp->if_mtu > ETHERMTU) { 4014 /* aka IXGBE_MAXFRS on 82599 and newer */ 4015 mhadd = IXGBE_READ_REG(hw, IXGBE_MHADD); 4016 mhadd &= ~IXGBE_MHADD_MFS_MASK; 4017 mhadd |= adapter->max_frame_size << IXGBE_MHADD_MFS_SHIFT; 4018 IXGBE_WRITE_REG(hw, IXGBE_MHADD, mhadd); 4019 } 4020 4021 /* Now enable all the queues */ 4022 for (i = 0; i < adapter->num_queues; i++) { 4023 txr = &adapter->tx_rings[i]; 4024 txdctl = IXGBE_READ_REG(hw, IXGBE_TXDCTL(txr->me)); 4025 txdctl |= IXGBE_TXDCTL_ENABLE; 4026 /* Set WTHRESH to 8, burst writeback */ 4027 txdctl |= (8 << 16); 4028 /* 4029 * When the internal queue falls below PTHRESH (32), 4030 * start prefetching as long as there are at least 4031 * HTHRESH (1) buffers ready. The values are taken 4032 * from the Intel linux driver 3.8.21. 4033 * Prefetching enables tx line rate even with 1 queue. 4034 */ 4035 txdctl |= (32 << 0) | (1 << 8); 4036 IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(txr->me), txdctl); 4037 } 4038 4039 for (i = 0; i < adapter->num_queues; i++) { 4040 rxr = &adapter->rx_rings[i]; 4041 rxdctl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(rxr->me)); 4042 if (hw->mac.type == ixgbe_mac_82598EB) { 4043 /* 4044 * PTHRESH = 21 4045 * HTHRESH = 4 4046 * WTHRESH = 8 4047 */ 4048 rxdctl &= ~0x3FFFFF; 4049 rxdctl |= 0x080420; 4050 } 4051 rxdctl |= IXGBE_RXDCTL_ENABLE; 4052 IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(rxr->me), rxdctl); 4053 for (j = 0; j < 10; j++) { 4054 if (IXGBE_READ_REG(hw, IXGBE_RXDCTL(rxr->me)) & 4055 IXGBE_RXDCTL_ENABLE) 4056 break; 4057 else 4058 msec_delay(1); 4059 } 4060 IXGBE_WRITE_BARRIER(hw); 4061 4062 /* 4063 * In netmap mode, we must preserve the buffers made 4064 * available to userspace before the if_init() 4065 * (this is true by default on the TX side, because 4066 * init makes all buffers available to userspace). 4067 * 4068 * netmap_reset() and the device specific routines 4069 * (e.g. ixgbe_setup_receive_rings()) map these 4070 * buffers at the end of the NIC ring, so here we 4071 * must set the RDT (tail) register to make sure 4072 * they are not overwritten. 4073 * 4074 * In this driver the NIC ring starts at RDH = 0, 4075 * RDT points to the last slot available for reception (?), 4076 * so RDT = num_rx_desc - 1 means the whole ring is available. 4077 */ 4078 #ifdef DEV_NETMAP 4079 if ((adapter->feat_en & IXGBE_FEATURE_NETMAP) && 4080 (ifp->if_capenable & IFCAP_NETMAP)) { 4081 struct netmap_adapter *na = NA(adapter->ifp); 4082 struct netmap_kring *kring = na->rx_rings[i]; 4083 int t = na->num_rx_desc - 1 - nm_kr_rxspace(kring); 4084 4085 IXGBE_WRITE_REG(hw, IXGBE_RDT(rxr->me), t); 4086 } else 4087 #endif /* DEV_NETMAP */ 4088 IXGBE_WRITE_REG(hw, IXGBE_RDT(rxr->me), 4089 adapter->num_rx_desc - 1); 4090 } 4091 4092 /* Enable Receive engine */ 4093 rxctrl = IXGBE_READ_REG(hw, IXGBE_RXCTRL); 4094 if (hw->mac.type == ixgbe_mac_82598EB) 4095 rxctrl |= IXGBE_RXCTRL_DMBYPS; 4096 rxctrl |= IXGBE_RXCTRL_RXEN; 4097 ixgbe_enable_rx_dma(hw, rxctrl); 4098 4099 callout_reset(&adapter->timer, hz, ixgbe_local_timer, adapter); 4100 atomic_store_relaxed(&adapter->timer_pending, 0); 4101 if (adapter->feat_en & IXGBE_FEATURE_RECOVERY_MODE) 4102 callout_reset(&adapter->recovery_mode_timer, hz, 4103 ixgbe_recovery_mode_timer, adapter); 4104 4105 /* Set up MSI/MSI-X routing */ 4106 if (adapter->feat_en & IXGBE_FEATURE_MSIX) { 4107 ixgbe_configure_ivars(adapter); 4108 /* Set up auto-mask */ 4109 if (hw->mac.type == ixgbe_mac_82598EB) 4110 IXGBE_WRITE_REG(hw, IXGBE_EIAM, IXGBE_EICS_RTX_QUEUE); 4111 else { 4112 IXGBE_WRITE_REG(hw, IXGBE_EIAM_EX(0), 0xFFFFFFFF); 4113 IXGBE_WRITE_REG(hw, IXGBE_EIAM_EX(1), 0xFFFFFFFF); 4114 } 4115 } else { /* Simple settings for Legacy/MSI */ 4116 ixgbe_set_ivar(adapter, 0, 0, 0); 4117 ixgbe_set_ivar(adapter, 0, 0, 1); 4118 IXGBE_WRITE_REG(hw, IXGBE_EIAM, IXGBE_EICS_RTX_QUEUE); 4119 } 4120 4121 ixgbe_init_fdir(adapter); 4122 4123 /* 4124 * Check on any SFP devices that 4125 * need to be kick-started 4126 */ 4127 if (hw->phy.type == ixgbe_phy_none) { 4128 err = hw->phy.ops.identify(hw); 4129 if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) 4130 unsupported_sfp = true; 4131 } else if (hw->phy.type == ixgbe_phy_sfp_unsupported) 4132 unsupported_sfp = true; 4133 4134 if (unsupported_sfp) 4135 device_printf(dev, 4136 "Unsupported SFP+ module type was detected.\n"); 4137 4138 /* Set moderation on the Link interrupt */ 4139 ixgbe_eitr_write(adapter, adapter->vector, IXGBE_LINK_ITR); 4140 4141 /* Enable EEE power saving */ 4142 if (adapter->feat_cap & IXGBE_FEATURE_EEE) 4143 hw->mac.ops.setup_eee(hw, 4144 adapter->feat_en & IXGBE_FEATURE_EEE); 4145 4146 /* Enable power to the phy. */ 4147 if (!unsupported_sfp) { 4148 ixgbe_set_phy_power(hw, TRUE); 4149 4150 /* Config/Enable Link */ 4151 ixgbe_config_link(adapter); 4152 } 4153 4154 /* Hardware Packet Buffer & Flow Control setup */ 4155 ixgbe_config_delay_values(adapter); 4156 4157 /* Initialize the FC settings */ 4158 ixgbe_start_hw(hw); 4159 4160 /* Set up VLAN support and filter */ 4161 ixgbe_setup_vlan_hw_support(adapter); 4162 4163 /* Setup DMA Coalescing */ 4164 ixgbe_config_dmac(adapter); 4165 4166 /* OK to schedule workqueues. */ 4167 adapter->schedule_wqs_ok = true; 4168 4169 /* And now turn on interrupts */ 4170 ixgbe_enable_intr(adapter); 4171 4172 /* Enable the use of the MBX by the VF's */ 4173 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) { 4174 ctrl_ext = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT); 4175 ctrl_ext |= IXGBE_CTRL_EXT_PFRSTD; 4176 IXGBE_WRITE_REG(hw, IXGBE_CTRL_EXT, ctrl_ext); 4177 } 4178 4179 /* Update saved flags. See ixgbe_ifflags_cb() */ 4180 adapter->if_flags = ifp->if_flags; 4181 adapter->ec_capenable = adapter->osdep.ec.ec_capenable; 4182 4183 /* Now inform the stack we're ready */ 4184 ifp->if_flags |= IFF_RUNNING; 4185 4186 return; 4187 } /* ixgbe_init_locked */ 4188 4189 /************************************************************************ 4190 * ixgbe_init 4191 ************************************************************************/ 4192 static int 4193 ixgbe_init(struct ifnet *ifp) 4194 { 4195 struct adapter *adapter = ifp->if_softc; 4196 4197 IXGBE_CORE_LOCK(adapter); 4198 ixgbe_init_locked(adapter); 4199 IXGBE_CORE_UNLOCK(adapter); 4200 4201 return 0; /* XXX ixgbe_init_locked cannot fail? really? */ 4202 } /* ixgbe_init */ 4203 4204 /************************************************************************ 4205 * ixgbe_set_ivar 4206 * 4207 * Setup the correct IVAR register for a particular MSI-X interrupt 4208 * (yes this is all very magic and confusing :) 4209 * - entry is the register array entry 4210 * - vector is the MSI-X vector for this queue 4211 * - type is RX/TX/MISC 4212 ************************************************************************/ 4213 static void 4214 ixgbe_set_ivar(struct adapter *adapter, u8 entry, u8 vector, s8 type) 4215 { 4216 struct ixgbe_hw *hw = &adapter->hw; 4217 u32 ivar, index; 4218 4219 vector |= IXGBE_IVAR_ALLOC_VAL; 4220 4221 switch (hw->mac.type) { 4222 case ixgbe_mac_82598EB: 4223 if (type == -1) 4224 entry = IXGBE_IVAR_OTHER_CAUSES_INDEX; 4225 else 4226 entry += (type * 64); 4227 index = (entry >> 2) & 0x1F; 4228 ivar = IXGBE_READ_REG(hw, IXGBE_IVAR(index)); 4229 ivar &= ~(0xffUL << (8 * (entry & 0x3))); 4230 ivar |= ((u32)vector << (8 * (entry & 0x3))); 4231 IXGBE_WRITE_REG(&adapter->hw, IXGBE_IVAR(index), ivar); 4232 break; 4233 case ixgbe_mac_82599EB: 4234 case ixgbe_mac_X540: 4235 case ixgbe_mac_X550: 4236 case ixgbe_mac_X550EM_x: 4237 case ixgbe_mac_X550EM_a: 4238 if (type == -1) { /* MISC IVAR */ 4239 index = (entry & 1) * 8; 4240 ivar = IXGBE_READ_REG(hw, IXGBE_IVAR_MISC); 4241 ivar &= ~(0xffUL << index); 4242 ivar |= ((u32)vector << index); 4243 IXGBE_WRITE_REG(hw, IXGBE_IVAR_MISC, ivar); 4244 } else { /* RX/TX IVARS */ 4245 index = (16 * (entry & 1)) + (8 * type); 4246 ivar = IXGBE_READ_REG(hw, IXGBE_IVAR(entry >> 1)); 4247 ivar &= ~(0xffUL << index); 4248 ivar |= ((u32)vector << index); 4249 IXGBE_WRITE_REG(hw, IXGBE_IVAR(entry >> 1), ivar); 4250 } 4251 break; 4252 default: 4253 break; 4254 } 4255 } /* ixgbe_set_ivar */ 4256 4257 /************************************************************************ 4258 * ixgbe_configure_ivars 4259 ************************************************************************/ 4260 static void 4261 ixgbe_configure_ivars(struct adapter *adapter) 4262 { 4263 struct ix_queue *que = adapter->queues; 4264 u32 newitr; 4265 4266 if (ixgbe_max_interrupt_rate > 0) 4267 newitr = (4000000 / ixgbe_max_interrupt_rate) & 0x0FF8; 4268 else { 4269 /* 4270 * Disable DMA coalescing if interrupt moderation is 4271 * disabled. 4272 */ 4273 adapter->dmac = 0; 4274 newitr = 0; 4275 } 4276 4277 for (int i = 0; i < adapter->num_queues; i++, que++) { 4278 struct rx_ring *rxr = &adapter->rx_rings[i]; 4279 struct tx_ring *txr = &adapter->tx_rings[i]; 4280 /* First the RX queue entry */ 4281 ixgbe_set_ivar(adapter, rxr->me, que->msix, 0); 4282 /* ... and the TX */ 4283 ixgbe_set_ivar(adapter, txr->me, que->msix, 1); 4284 /* Set an Initial EITR value */ 4285 ixgbe_eitr_write(adapter, que->msix, newitr); 4286 /* 4287 * To eliminate influence of the previous state. 4288 * At this point, Tx/Rx interrupt handler 4289 * (ixgbe_msix_que()) cannot be called, so both 4290 * IXGBE_TX_LOCK and IXGBE_RX_LOCK are not required. 4291 */ 4292 que->eitr_setting = 0; 4293 } 4294 4295 /* For the Link interrupt */ 4296 ixgbe_set_ivar(adapter, 1, adapter->vector, -1); 4297 } /* ixgbe_configure_ivars */ 4298 4299 /************************************************************************ 4300 * ixgbe_config_gpie 4301 ************************************************************************/ 4302 static void 4303 ixgbe_config_gpie(struct adapter *adapter) 4304 { 4305 struct ixgbe_hw *hw = &adapter->hw; 4306 u32 gpie; 4307 4308 gpie = IXGBE_READ_REG(hw, IXGBE_GPIE); 4309 4310 if (adapter->feat_en & IXGBE_FEATURE_MSIX) { 4311 /* Enable Enhanced MSI-X mode */ 4312 gpie |= IXGBE_GPIE_MSIX_MODE 4313 | IXGBE_GPIE_EIAME 4314 | IXGBE_GPIE_PBA_SUPPORT 4315 | IXGBE_GPIE_OCD; 4316 } 4317 4318 /* Fan Failure Interrupt */ 4319 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) 4320 gpie |= IXGBE_SDP1_GPIEN; 4321 4322 /* Thermal Sensor Interrupt */ 4323 if (adapter->feat_en & IXGBE_FEATURE_TEMP_SENSOR) 4324 gpie |= IXGBE_SDP0_GPIEN_X540; 4325 4326 /* Link detection */ 4327 switch (hw->mac.type) { 4328 case ixgbe_mac_82599EB: 4329 gpie |= IXGBE_SDP1_GPIEN | IXGBE_SDP2_GPIEN; 4330 break; 4331 case ixgbe_mac_X550EM_x: 4332 case ixgbe_mac_X550EM_a: 4333 gpie |= IXGBE_SDP0_GPIEN_X540; 4334 break; 4335 default: 4336 break; 4337 } 4338 4339 IXGBE_WRITE_REG(hw, IXGBE_GPIE, gpie); 4340 4341 } /* ixgbe_config_gpie */ 4342 4343 /************************************************************************ 4344 * ixgbe_config_delay_values 4345 * 4346 * Requires adapter->max_frame_size to be set. 4347 ************************************************************************/ 4348 static void 4349 ixgbe_config_delay_values(struct adapter *adapter) 4350 { 4351 struct ixgbe_hw *hw = &adapter->hw; 4352 u32 rxpb, frame, size, tmp; 4353 4354 frame = adapter->max_frame_size; 4355 4356 /* Calculate High Water */ 4357 switch (hw->mac.type) { 4358 case ixgbe_mac_X540: 4359 case ixgbe_mac_X550: 4360 case ixgbe_mac_X550EM_x: 4361 case ixgbe_mac_X550EM_a: 4362 tmp = IXGBE_DV_X540(frame, frame); 4363 break; 4364 default: 4365 tmp = IXGBE_DV(frame, frame); 4366 break; 4367 } 4368 size = IXGBE_BT2KB(tmp); 4369 rxpb = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(0)) >> 10; 4370 hw->fc.high_water[0] = rxpb - size; 4371 4372 /* Now calculate Low Water */ 4373 switch (hw->mac.type) { 4374 case ixgbe_mac_X540: 4375 case ixgbe_mac_X550: 4376 case ixgbe_mac_X550EM_x: 4377 case ixgbe_mac_X550EM_a: 4378 tmp = IXGBE_LOW_DV_X540(frame); 4379 break; 4380 default: 4381 tmp = IXGBE_LOW_DV(frame); 4382 break; 4383 } 4384 hw->fc.low_water[0] = IXGBE_BT2KB(tmp); 4385 4386 hw->fc.pause_time = IXGBE_FC_PAUSE; 4387 hw->fc.send_xon = TRUE; 4388 } /* ixgbe_config_delay_values */ 4389 4390 /************************************************************************ 4391 * ixgbe_set_rxfilter - Multicast Update 4392 * 4393 * Called whenever multicast address list is updated. 4394 ************************************************************************/ 4395 static void 4396 ixgbe_set_rxfilter(struct adapter *adapter) 4397 { 4398 struct ixgbe_mc_addr *mta; 4399 struct ifnet *ifp = adapter->ifp; 4400 u8 *update_ptr; 4401 int mcnt = 0; 4402 u32 fctrl; 4403 struct ethercom *ec = &adapter->osdep.ec; 4404 struct ether_multi *enm; 4405 struct ether_multistep step; 4406 4407 KASSERT(mutex_owned(&adapter->core_mtx)); 4408 IOCTL_DEBUGOUT("ixgbe_set_rxfilter: begin"); 4409 4410 mta = adapter->mta; 4411 bzero(mta, sizeof(*mta) * MAX_NUM_MULTICAST_ADDRESSES); 4412 4413 ETHER_LOCK(ec); 4414 ec->ec_flags &= ~ETHER_F_ALLMULTI; 4415 ETHER_FIRST_MULTI(step, ec, enm); 4416 while (enm != NULL) { 4417 if ((mcnt == MAX_NUM_MULTICAST_ADDRESSES) || 4418 (memcmp(enm->enm_addrlo, enm->enm_addrhi, 4419 ETHER_ADDR_LEN) != 0)) { 4420 ec->ec_flags |= ETHER_F_ALLMULTI; 4421 break; 4422 } 4423 bcopy(enm->enm_addrlo, 4424 mta[mcnt].addr, IXGBE_ETH_LENGTH_OF_ADDRESS); 4425 mta[mcnt].vmdq = adapter->pool; 4426 mcnt++; 4427 ETHER_NEXT_MULTI(step, enm); 4428 } 4429 4430 fctrl = IXGBE_READ_REG(&adapter->hw, IXGBE_FCTRL); 4431 if (ifp->if_flags & IFF_PROMISC) 4432 fctrl |= (IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE); 4433 else if (ec->ec_flags & ETHER_F_ALLMULTI) { 4434 fctrl |= IXGBE_FCTRL_MPE; 4435 fctrl &= ~IXGBE_FCTRL_UPE; 4436 } else 4437 fctrl &= ~(IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE); 4438 4439 IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCTRL, fctrl); 4440 4441 /* Update multicast filter entries only when it's not ALLMULTI */ 4442 if ((ec->ec_flags & ETHER_F_ALLMULTI) == 0) { 4443 ETHER_UNLOCK(ec); 4444 update_ptr = (u8 *)mta; 4445 ixgbe_update_mc_addr_list(&adapter->hw, update_ptr, mcnt, 4446 ixgbe_mc_array_itr, TRUE); 4447 } else 4448 ETHER_UNLOCK(ec); 4449 } /* ixgbe_set_rxfilter */ 4450 4451 /************************************************************************ 4452 * ixgbe_mc_array_itr 4453 * 4454 * An iterator function needed by the multicast shared code. 4455 * It feeds the shared code routine the addresses in the 4456 * array of ixgbe_set_rxfilter() one by one. 4457 ************************************************************************/ 4458 static u8 * 4459 ixgbe_mc_array_itr(struct ixgbe_hw *hw, u8 **update_ptr, u32 *vmdq) 4460 { 4461 struct ixgbe_mc_addr *mta; 4462 4463 mta = (struct ixgbe_mc_addr *)*update_ptr; 4464 *vmdq = mta->vmdq; 4465 4466 *update_ptr = (u8*)(mta + 1); 4467 4468 return (mta->addr); 4469 } /* ixgbe_mc_array_itr */ 4470 4471 /************************************************************************ 4472 * ixgbe_local_timer - Timer routine 4473 * 4474 * Checks for link status, updates statistics, 4475 * and runs the watchdog check. 4476 ************************************************************************/ 4477 static void 4478 ixgbe_local_timer(void *arg) 4479 { 4480 struct adapter *adapter = arg; 4481 4482 if (adapter->schedule_wqs_ok) { 4483 if (atomic_cas_uint(&adapter->timer_pending, 0, 1) == 0) 4484 workqueue_enqueue(adapter->timer_wq, 4485 &adapter->timer_wc, NULL); 4486 } 4487 } 4488 4489 static void 4490 ixgbe_handle_timer(struct work *wk, void *context) 4491 { 4492 struct adapter *adapter = context; 4493 struct ixgbe_hw *hw = &adapter->hw; 4494 device_t dev = adapter->dev; 4495 struct ix_queue *que = adapter->queues; 4496 u64 queues = 0; 4497 u64 v0, v1, v2, v3, v4, v5, v6, v7; 4498 int hung = 0; 4499 int i; 4500 4501 IXGBE_CORE_LOCK(adapter); 4502 4503 /* Check for pluggable optics */ 4504 if (ixgbe_is_sfp(hw)) { 4505 bool sched_mod_task = false; 4506 4507 if (hw->mac.type == ixgbe_mac_82598EB) { 4508 /* 4509 * On 82598EB, SFP+'s MOD_ABS pin is not connected to 4510 * any GPIO(SDP). So just schedule TASK_MOD. 4511 */ 4512 sched_mod_task = true; 4513 } else { 4514 bool was_full, is_full; 4515 4516 was_full = 4517 hw->phy.sfp_type != ixgbe_sfp_type_not_present; 4518 is_full = ixgbe_sfp_cage_full(hw); 4519 4520 /* Do probe if cage state changed */ 4521 if (was_full ^ is_full) 4522 sched_mod_task = true; 4523 } 4524 if (sched_mod_task) { 4525 atomic_or_32(&adapter->task_requests, 4526 IXGBE_REQUEST_TASK_MOD); 4527 ixgbe_schedule_admin_tasklet(adapter); 4528 } 4529 } 4530 4531 ixgbe_update_link_status(adapter); 4532 ixgbe_update_stats_counters(adapter); 4533 4534 /* Update some event counters */ 4535 v0 = v1 = v2 = v3 = v4 = v5 = v6 = v7 = 0; 4536 que = adapter->queues; 4537 for (i = 0; i < adapter->num_queues; i++, que++) { 4538 struct tx_ring *txr = que->txr; 4539 4540 v0 += txr->q_efbig_tx_dma_setup; 4541 v1 += txr->q_mbuf_defrag_failed; 4542 v2 += txr->q_efbig2_tx_dma_setup; 4543 v3 += txr->q_einval_tx_dma_setup; 4544 v4 += txr->q_other_tx_dma_setup; 4545 v5 += txr->q_eagain_tx_dma_setup; 4546 v6 += txr->q_enomem_tx_dma_setup; 4547 v7 += txr->q_tso_err; 4548 } 4549 adapter->efbig_tx_dma_setup.ev_count = v0; 4550 adapter->mbuf_defrag_failed.ev_count = v1; 4551 adapter->efbig2_tx_dma_setup.ev_count = v2; 4552 adapter->einval_tx_dma_setup.ev_count = v3; 4553 adapter->other_tx_dma_setup.ev_count = v4; 4554 adapter->eagain_tx_dma_setup.ev_count = v5; 4555 adapter->enomem_tx_dma_setup.ev_count = v6; 4556 adapter->tso_err.ev_count = v7; 4557 4558 /* 4559 * Check the TX queues status 4560 * - mark hung queues so we don't schedule on them 4561 * - watchdog only if all queues show hung 4562 */ 4563 que = adapter->queues; 4564 for (i = 0; i < adapter->num_queues; i++, que++) { 4565 /* Keep track of queues with work for soft irq */ 4566 if (que->txr->busy) 4567 queues |= 1ULL << que->me; 4568 /* 4569 * Each time txeof runs without cleaning, but there 4570 * are uncleaned descriptors it increments busy. If 4571 * we get to the MAX we declare it hung. 4572 */ 4573 if (que->busy == IXGBE_QUEUE_HUNG) { 4574 ++hung; 4575 /* Mark the queue as inactive */ 4576 adapter->active_queues &= ~(1ULL << que->me); 4577 continue; 4578 } else { 4579 /* Check if we've come back from hung */ 4580 if ((adapter->active_queues & (1ULL << que->me)) == 0) 4581 adapter->active_queues |= 1ULL << que->me; 4582 } 4583 if (que->busy >= IXGBE_MAX_TX_BUSY) { 4584 device_printf(dev, 4585 "Warning queue %d appears to be hung!\n", i); 4586 que->txr->busy = IXGBE_QUEUE_HUNG; 4587 ++hung; 4588 } 4589 } 4590 4591 /* Only truly watchdog if all queues show hung */ 4592 if (hung == adapter->num_queues) 4593 goto watchdog; 4594 #if 0 /* XXX Avoid unexpectedly disabling interrupt forever (PR#53294) */ 4595 else if (queues != 0) { /* Force an IRQ on queues with work */ 4596 que = adapter->queues; 4597 for (i = 0; i < adapter->num_queues; i++, que++) { 4598 mutex_enter(&que->dc_mtx); 4599 if (que->disabled_count == 0) 4600 ixgbe_rearm_queues(adapter, 4601 queues & ((u64)1 << i)); 4602 mutex_exit(&que->dc_mtx); 4603 } 4604 } 4605 #endif 4606 4607 atomic_store_relaxed(&adapter->timer_pending, 0); 4608 IXGBE_CORE_UNLOCK(adapter); 4609 callout_reset(&adapter->timer, hz, ixgbe_local_timer, adapter); 4610 return; 4611 4612 watchdog: 4613 device_printf(adapter->dev, "Watchdog timeout -- resetting\n"); 4614 adapter->ifp->if_flags &= ~IFF_RUNNING; 4615 adapter->watchdog_events.ev_count++; 4616 ixgbe_init_locked(adapter); 4617 IXGBE_CORE_UNLOCK(adapter); 4618 } /* ixgbe_handle_timer */ 4619 4620 /************************************************************************ 4621 * ixgbe_recovery_mode_timer - Recovery mode timer routine 4622 ************************************************************************/ 4623 static void 4624 ixgbe_recovery_mode_timer(void *arg) 4625 { 4626 struct adapter *adapter = arg; 4627 4628 if (__predict_true(adapter->osdep.detaching == false)) { 4629 if (atomic_cas_uint(&adapter->recovery_mode_timer_pending, 4630 0, 1) == 0) { 4631 workqueue_enqueue(adapter->recovery_mode_timer_wq, 4632 &adapter->recovery_mode_timer_wc, NULL); 4633 } 4634 } 4635 } 4636 4637 static void 4638 ixgbe_handle_recovery_mode_timer(struct work *wk, void *context) 4639 { 4640 struct adapter *adapter = context; 4641 struct ixgbe_hw *hw = &adapter->hw; 4642 4643 IXGBE_CORE_LOCK(adapter); 4644 if (ixgbe_fw_recovery_mode(hw)) { 4645 if (atomic_cas_uint(&adapter->recovery_mode, 0, 1)) { 4646 /* Firmware error detected, entering recovery mode */ 4647 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"); 4648 4649 if (hw->adapter_stopped == FALSE) 4650 ixgbe_stop_locked(adapter); 4651 } 4652 } else 4653 atomic_cas_uint(&adapter->recovery_mode, 1, 0); 4654 4655 atomic_store_relaxed(&adapter->recovery_mode_timer_pending, 0); 4656 callout_reset(&adapter->recovery_mode_timer, hz, 4657 ixgbe_recovery_mode_timer, adapter); 4658 IXGBE_CORE_UNLOCK(adapter); 4659 } /* ixgbe_handle_recovery_mode_timer */ 4660 4661 /************************************************************************ 4662 * ixgbe_handle_mod - Tasklet for SFP module interrupts 4663 ************************************************************************/ 4664 static void 4665 ixgbe_handle_mod(void *context) 4666 { 4667 struct adapter *adapter = context; 4668 struct ixgbe_hw *hw = &adapter->hw; 4669 device_t dev = adapter->dev; 4670 enum ixgbe_sfp_type last_sfp_type; 4671 u32 err; 4672 bool last_unsupported_sfp_recovery; 4673 4674 KASSERT(mutex_owned(&adapter->core_mtx)); 4675 4676 last_sfp_type = hw->phy.sfp_type; 4677 last_unsupported_sfp_recovery = hw->need_unsupported_sfp_recovery; 4678 ++adapter->mod_workev.ev_count; 4679 if (adapter->hw.need_crosstalk_fix) { 4680 if ((hw->mac.type != ixgbe_mac_82598EB) && 4681 !ixgbe_sfp_cage_full(hw)) 4682 goto out; 4683 } 4684 4685 err = hw->phy.ops.identify_sfp(hw); 4686 if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) { 4687 if (last_unsupported_sfp_recovery == false) 4688 device_printf(dev, 4689 "Unsupported SFP+ module type was detected.\n"); 4690 goto out; 4691 } 4692 4693 if (hw->need_unsupported_sfp_recovery) { 4694 device_printf(dev, "Recovering from unsupported SFP\n"); 4695 /* 4696 * We could recover the status by calling setup_sfp(), 4697 * setup_link() and some others. It's complex and might not 4698 * work correctly on some unknown cases. To avoid such type of 4699 * problem, call ixgbe_init_locked(). It's simple and safe 4700 * approach. 4701 */ 4702 ixgbe_init_locked(adapter); 4703 } else if ((hw->phy.sfp_type != ixgbe_sfp_type_not_present) && 4704 (hw->phy.sfp_type != last_sfp_type)) { 4705 /* A module is inserted and changed. */ 4706 4707 if (hw->mac.type == ixgbe_mac_82598EB) 4708 err = hw->phy.ops.reset(hw); 4709 else { 4710 err = hw->mac.ops.setup_sfp(hw); 4711 hw->phy.sfp_setup_needed = FALSE; 4712 } 4713 if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) { 4714 device_printf(dev, 4715 "Setup failure - unsupported SFP+ module type.\n"); 4716 goto out; 4717 } 4718 } 4719 4720 out: 4721 /* get_supported_phy_layer will call hw->phy.ops.identify_sfp() */ 4722 adapter->phy_layer = ixgbe_get_supported_physical_layer(hw); 4723 4724 /* Adjust media types shown in ifconfig */ 4725 IXGBE_CORE_UNLOCK(adapter); 4726 ifmedia_removeall(&adapter->media); 4727 ixgbe_add_media_types(adapter); 4728 ifmedia_set(&adapter->media, IFM_ETHER | IFM_AUTO); 4729 IXGBE_CORE_LOCK(adapter); 4730 4731 /* 4732 * Don't shedule MSF event if the chip is 82598. 82598 doesn't support 4733 * MSF. At least, calling ixgbe_handle_msf on 82598 DA makes the link 4734 * flap because the function calls setup_link(). 4735 */ 4736 if (hw->mac.type != ixgbe_mac_82598EB) 4737 atomic_or_32(&adapter->task_requests, IXGBE_REQUEST_TASK_MSF); 4738 4739 /* 4740 * Don't call ixgbe_schedule_admin_tasklet() because we are on 4741 * the workqueue now. 4742 */ 4743 } /* ixgbe_handle_mod */ 4744 4745 4746 /************************************************************************ 4747 * ixgbe_handle_msf - Tasklet for MSF (multispeed fiber) interrupts 4748 ************************************************************************/ 4749 static void 4750 ixgbe_handle_msf(void *context) 4751 { 4752 struct adapter *adapter = context; 4753 struct ixgbe_hw *hw = &adapter->hw; 4754 u32 autoneg; 4755 bool negotiate; 4756 4757 KASSERT(mutex_owned(&adapter->core_mtx)); 4758 4759 ++adapter->msf_workev.ev_count; 4760 4761 autoneg = hw->phy.autoneg_advertised; 4762 if ((!autoneg) && (hw->mac.ops.get_link_capabilities)) 4763 hw->mac.ops.get_link_capabilities(hw, &autoneg, &negotiate); 4764 if (hw->mac.ops.setup_link) 4765 hw->mac.ops.setup_link(hw, autoneg, TRUE); 4766 } /* ixgbe_handle_msf */ 4767 4768 /************************************************************************ 4769 * ixgbe_handle_phy - Tasklet for external PHY interrupts 4770 ************************************************************************/ 4771 static void 4772 ixgbe_handle_phy(void *context) 4773 { 4774 struct adapter *adapter = context; 4775 struct ixgbe_hw *hw = &adapter->hw; 4776 int error; 4777 4778 KASSERT(mutex_owned(&adapter->core_mtx)); 4779 4780 ++adapter->phy_workev.ev_count; 4781 error = hw->phy.ops.handle_lasi(hw); 4782 if (error == IXGBE_ERR_OVERTEMP) 4783 device_printf(adapter->dev, 4784 "CRITICAL: EXTERNAL PHY OVER TEMP!! " 4785 " PHY will downshift to lower power state!\n"); 4786 else if (error) 4787 device_printf(adapter->dev, 4788 "Error handling LASI interrupt: %d\n", error); 4789 } /* ixgbe_handle_phy */ 4790 4791 static void 4792 ixgbe_handle_admin(struct work *wk, void *context) 4793 { 4794 struct adapter *adapter = context; 4795 struct ifnet *ifp = adapter->ifp; 4796 struct ixgbe_hw *hw = &adapter->hw; 4797 u32 req; 4798 4799 /* 4800 * Hold the IFNET_LOCK across this entire call. This will 4801 * prevent additional changes to adapter->phy_layer 4802 * and serialize calls to this tasklet. We cannot hold the 4803 * CORE_LOCK while calling into the ifmedia functions as 4804 * they call ifmedia_lock() and the lock is CORE_LOCK. 4805 */ 4806 IFNET_LOCK(ifp); 4807 IXGBE_CORE_LOCK(adapter); 4808 while ((req = 4809 (adapter->task_requests & ~IXGBE_REQUEST_TASK_NEED_ACKINTR)) 4810 != 0) { 4811 if ((req & IXGBE_REQUEST_TASK_LSC) != 0) { 4812 ixgbe_handle_link(adapter); 4813 atomic_and_32(&adapter->task_requests, 4814 ~IXGBE_REQUEST_TASK_LSC); 4815 } 4816 if ((req & IXGBE_REQUEST_TASK_MOD) != 0) { 4817 ixgbe_handle_mod(adapter); 4818 atomic_and_32(&adapter->task_requests, 4819 ~IXGBE_REQUEST_TASK_MOD); 4820 } 4821 if ((req & IXGBE_REQUEST_TASK_MSF) != 0) { 4822 ixgbe_handle_msf(adapter); 4823 atomic_and_32(&adapter->task_requests, 4824 ~IXGBE_REQUEST_TASK_MSF); 4825 } 4826 if ((req & IXGBE_REQUEST_TASK_PHY) != 0) { 4827 ixgbe_handle_phy(adapter); 4828 atomic_and_32(&adapter->task_requests, 4829 ~IXGBE_REQUEST_TASK_PHY); 4830 } 4831 if ((req & IXGBE_REQUEST_TASK_FDIR) != 0) { 4832 ixgbe_reinit_fdir(adapter); 4833 atomic_and_32(&adapter->task_requests, 4834 ~IXGBE_REQUEST_TASK_FDIR); 4835 } 4836 #if 0 /* notyet */ 4837 if ((req & IXGBE_REQUEST_TASK_MBX) != 0) { 4838 ixgbe_handle_mbx(adapter); 4839 atomic_and_32(&adapter->task_requests, 4840 ~IXGBE_REQUEST_TASK_MBX); 4841 } 4842 #endif 4843 } 4844 atomic_store_relaxed(&adapter->admin_pending, 0); 4845 if ((adapter->task_requests & IXGBE_REQUEST_TASK_NEED_ACKINTR) != 0) { 4846 atomic_and_32(&adapter->task_requests, 4847 ~IXGBE_REQUEST_TASK_NEED_ACKINTR); 4848 if ((adapter->feat_en & IXGBE_FEATURE_MSIX) != 0) { 4849 /* Re-enable other interrupts */ 4850 IXGBE_WRITE_REG(hw, IXGBE_EIMS, IXGBE_EIMS_OTHER); 4851 } else 4852 ixgbe_enable_intr(adapter); 4853 } 4854 4855 IXGBE_CORE_UNLOCK(adapter); 4856 IFNET_UNLOCK(ifp); 4857 } /* ixgbe_handle_admin */ 4858 4859 static void 4860 ixgbe_ifstop(struct ifnet *ifp, int disable) 4861 { 4862 struct adapter *adapter = ifp->if_softc; 4863 4864 IXGBE_CORE_LOCK(adapter); 4865 ixgbe_stop_locked(adapter); 4866 IXGBE_CORE_UNLOCK(adapter); 4867 4868 workqueue_wait(adapter->timer_wq, &adapter->timer_wc); 4869 atomic_store_relaxed(&adapter->timer_pending, 0); 4870 } 4871 4872 /************************************************************************ 4873 * ixgbe_stop_locked - Stop the hardware 4874 * 4875 * Disables all traffic on the adapter by issuing a 4876 * global reset on the MAC and deallocates TX/RX buffers. 4877 ************************************************************************/ 4878 static void 4879 ixgbe_stop_locked(void *arg) 4880 { 4881 struct ifnet *ifp; 4882 struct adapter *adapter = arg; 4883 struct ixgbe_hw *hw = &adapter->hw; 4884 4885 ifp = adapter->ifp; 4886 4887 KASSERT(mutex_owned(&adapter->core_mtx)); 4888 4889 INIT_DEBUGOUT("ixgbe_stop_locked: begin\n"); 4890 ixgbe_disable_intr(adapter); 4891 callout_stop(&adapter->timer); 4892 4893 /* Don't schedule workqueues. */ 4894 adapter->schedule_wqs_ok = false; 4895 4896 /* Let the stack know...*/ 4897 ifp->if_flags &= ~IFF_RUNNING; 4898 4899 ixgbe_reset_hw(hw); 4900 hw->adapter_stopped = FALSE; 4901 ixgbe_stop_adapter(hw); 4902 if (hw->mac.type == ixgbe_mac_82599EB) 4903 ixgbe_stop_mac_link_on_d3_82599(hw); 4904 /* Turn off the laser - noop with no optics */ 4905 ixgbe_disable_tx_laser(hw); 4906 4907 /* Update the stack */ 4908 adapter->link_up = FALSE; 4909 ixgbe_update_link_status(adapter); 4910 4911 /* reprogram the RAR[0] in case user changed it. */ 4912 ixgbe_set_rar(&adapter->hw, 0, adapter->hw.mac.addr, 0, IXGBE_RAH_AV); 4913 4914 return; 4915 } /* ixgbe_stop_locked */ 4916 4917 /************************************************************************ 4918 * ixgbe_update_link_status - Update OS on link state 4919 * 4920 * Note: Only updates the OS on the cached link state. 4921 * The real check of the hardware only happens with 4922 * a link interrupt. 4923 ************************************************************************/ 4924 static void 4925 ixgbe_update_link_status(struct adapter *adapter) 4926 { 4927 struct ifnet *ifp = adapter->ifp; 4928 device_t dev = adapter->dev; 4929 struct ixgbe_hw *hw = &adapter->hw; 4930 4931 KASSERT(mutex_owned(&adapter->core_mtx)); 4932 4933 if (adapter->link_up) { 4934 if (adapter->link_active != LINK_STATE_UP) { 4935 /* 4936 * To eliminate influence of the previous state 4937 * in the same way as ixgbe_init_locked(). 4938 */ 4939 struct ix_queue *que = adapter->queues; 4940 for (int i = 0; i < adapter->num_queues; i++, que++) 4941 que->eitr_setting = 0; 4942 4943 if (adapter->link_speed == IXGBE_LINK_SPEED_10GB_FULL){ 4944 /* 4945 * Discard count for both MAC Local Fault and 4946 * Remote Fault because those registers are 4947 * valid only when the link speed is up and 4948 * 10Gbps. 4949 */ 4950 IXGBE_READ_REG(hw, IXGBE_MLFC); 4951 IXGBE_READ_REG(hw, IXGBE_MRFC); 4952 } 4953 4954 if (bootverbose) { 4955 const char *bpsmsg; 4956 4957 switch (adapter->link_speed) { 4958 case IXGBE_LINK_SPEED_10GB_FULL: 4959 bpsmsg = "10 Gbps"; 4960 break; 4961 case IXGBE_LINK_SPEED_5GB_FULL: 4962 bpsmsg = "5 Gbps"; 4963 break; 4964 case IXGBE_LINK_SPEED_2_5GB_FULL: 4965 bpsmsg = "2.5 Gbps"; 4966 break; 4967 case IXGBE_LINK_SPEED_1GB_FULL: 4968 bpsmsg = "1 Gbps"; 4969 break; 4970 case IXGBE_LINK_SPEED_100_FULL: 4971 bpsmsg = "100 Mbps"; 4972 break; 4973 case IXGBE_LINK_SPEED_10_FULL: 4974 bpsmsg = "10 Mbps"; 4975 break; 4976 default: 4977 bpsmsg = "unknown speed"; 4978 break; 4979 } 4980 device_printf(dev, "Link is up %s %s \n", 4981 bpsmsg, "Full Duplex"); 4982 } 4983 adapter->link_active = LINK_STATE_UP; 4984 /* Update any Flow Control changes */ 4985 ixgbe_fc_enable(&adapter->hw); 4986 /* Update DMA coalescing config */ 4987 ixgbe_config_dmac(adapter); 4988 if_link_state_change(ifp, LINK_STATE_UP); 4989 4990 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) 4991 ixgbe_ping_all_vfs(adapter); 4992 } 4993 } else { 4994 /* 4995 * Do it when link active changes to DOWN. i.e. 4996 * a) LINK_STATE_UNKNOWN -> LINK_STATE_DOWN 4997 * b) LINK_STATE_UP -> LINK_STATE_DOWN 4998 */ 4999 if (adapter->link_active != LINK_STATE_DOWN) { 5000 if (bootverbose) 5001 device_printf(dev, "Link is Down\n"); 5002 if_link_state_change(ifp, LINK_STATE_DOWN); 5003 adapter->link_active = LINK_STATE_DOWN; 5004 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) 5005 ixgbe_ping_all_vfs(adapter); 5006 ixgbe_drain_all(adapter); 5007 } 5008 } 5009 } /* ixgbe_update_link_status */ 5010 5011 /************************************************************************ 5012 * ixgbe_config_dmac - Configure DMA Coalescing 5013 ************************************************************************/ 5014 static void 5015 ixgbe_config_dmac(struct adapter *adapter) 5016 { 5017 struct ixgbe_hw *hw = &adapter->hw; 5018 struct ixgbe_dmac_config *dcfg = &hw->mac.dmac_config; 5019 5020 if (hw->mac.type < ixgbe_mac_X550 || !hw->mac.ops.dmac_config) 5021 return; 5022 5023 if (dcfg->watchdog_timer ^ adapter->dmac || 5024 dcfg->link_speed ^ adapter->link_speed) { 5025 dcfg->watchdog_timer = adapter->dmac; 5026 dcfg->fcoe_en = false; 5027 dcfg->link_speed = adapter->link_speed; 5028 dcfg->num_tcs = 1; 5029 5030 INIT_DEBUGOUT2("dmac settings: watchdog %d, link speed %d\n", 5031 dcfg->watchdog_timer, dcfg->link_speed); 5032 5033 hw->mac.ops.dmac_config(hw); 5034 } 5035 } /* ixgbe_config_dmac */ 5036 5037 /************************************************************************ 5038 * ixgbe_enable_intr 5039 ************************************************************************/ 5040 static void 5041 ixgbe_enable_intr(struct adapter *adapter) 5042 { 5043 struct ixgbe_hw *hw = &adapter->hw; 5044 struct ix_queue *que = adapter->queues; 5045 u32 mask, fwsm; 5046 5047 mask = (IXGBE_EIMS_ENABLE_MASK & ~IXGBE_EIMS_RTX_QUEUE); 5048 5049 switch (adapter->hw.mac.type) { 5050 case ixgbe_mac_82599EB: 5051 mask |= IXGBE_EIMS_ECC; 5052 /* Temperature sensor on some adapters */ 5053 mask |= IXGBE_EIMS_GPI_SDP0; 5054 /* SFP+ (RX_LOS_N & MOD_ABS_N) */ 5055 mask |= IXGBE_EIMS_GPI_SDP1; 5056 mask |= IXGBE_EIMS_GPI_SDP2; 5057 break; 5058 case ixgbe_mac_X540: 5059 /* Detect if Thermal Sensor is enabled */ 5060 fwsm = IXGBE_READ_REG(hw, IXGBE_FWSM); 5061 if (fwsm & IXGBE_FWSM_TS_ENABLED) 5062 mask |= IXGBE_EIMS_TS; 5063 mask |= IXGBE_EIMS_ECC; 5064 break; 5065 case ixgbe_mac_X550: 5066 /* MAC thermal sensor is automatically enabled */ 5067 mask |= IXGBE_EIMS_TS; 5068 mask |= IXGBE_EIMS_ECC; 5069 break; 5070 case ixgbe_mac_X550EM_x: 5071 case ixgbe_mac_X550EM_a: 5072 /* Some devices use SDP0 for important information */ 5073 if (hw->device_id == IXGBE_DEV_ID_X550EM_X_SFP || 5074 hw->device_id == IXGBE_DEV_ID_X550EM_A_SFP || 5075 hw->device_id == IXGBE_DEV_ID_X550EM_A_SFP_N || 5076 hw->device_id == IXGBE_DEV_ID_X550EM_X_10G_T) 5077 mask |= IXGBE_EIMS_GPI_SDP0_BY_MAC(hw); 5078 if (hw->phy.type == ixgbe_phy_x550em_ext_t) 5079 mask |= IXGBE_EICR_GPI_SDP0_X540; 5080 mask |= IXGBE_EIMS_ECC; 5081 break; 5082 default: 5083 break; 5084 } 5085 5086 /* Enable Fan Failure detection */ 5087 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) 5088 mask |= IXGBE_EIMS_GPI_SDP1; 5089 /* Enable SR-IOV */ 5090 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) 5091 mask |= IXGBE_EIMS_MAILBOX; 5092 /* Enable Flow Director */ 5093 if (adapter->feat_en & IXGBE_FEATURE_FDIR) 5094 mask |= IXGBE_EIMS_FLOW_DIR; 5095 5096 IXGBE_WRITE_REG(hw, IXGBE_EIMS, mask); 5097 5098 /* With MSI-X we use auto clear */ 5099 if (adapter->msix_mem) { 5100 mask = IXGBE_EIMS_ENABLE_MASK; 5101 /* Don't autoclear Link */ 5102 mask &= ~IXGBE_EIMS_OTHER; 5103 mask &= ~IXGBE_EIMS_LSC; 5104 if (adapter->feat_cap & IXGBE_FEATURE_SRIOV) 5105 mask &= ~IXGBE_EIMS_MAILBOX; 5106 IXGBE_WRITE_REG(hw, IXGBE_EIAC, mask); 5107 } 5108 5109 /* 5110 * Now enable all queues, this is done separately to 5111 * allow for handling the extended (beyond 32) MSI-X 5112 * vectors that can be used by 82599 5113 */ 5114 for (int i = 0; i < adapter->num_queues; i++, que++) 5115 ixgbe_enable_queue(adapter, que->msix); 5116 5117 IXGBE_WRITE_FLUSH(hw); 5118 5119 } /* ixgbe_enable_intr */ 5120 5121 /************************************************************************ 5122 * ixgbe_disable_intr_internal 5123 ************************************************************************/ 5124 static void 5125 ixgbe_disable_intr_internal(struct adapter *adapter, bool nestok) 5126 { 5127 struct ix_queue *que = adapter->queues; 5128 5129 /* disable interrupts other than queues */ 5130 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, ~IXGBE_EIMC_RTX_QUEUE); 5131 5132 if (adapter->msix_mem) 5133 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIAC, 0); 5134 5135 for (int i = 0; i < adapter->num_queues; i++, que++) 5136 ixgbe_disable_queue_internal(adapter, que->msix, nestok); 5137 5138 IXGBE_WRITE_FLUSH(&adapter->hw); 5139 5140 } /* ixgbe_do_disable_intr_internal */ 5141 5142 /************************************************************************ 5143 * ixgbe_disable_intr 5144 ************************************************************************/ 5145 static void 5146 ixgbe_disable_intr(struct adapter *adapter) 5147 { 5148 5149 ixgbe_disable_intr_internal(adapter, true); 5150 } /* ixgbe_disable_intr */ 5151 5152 /************************************************************************ 5153 * ixgbe_ensure_disabled_intr 5154 ************************************************************************/ 5155 void 5156 ixgbe_ensure_disabled_intr(struct adapter *adapter) 5157 { 5158 5159 ixgbe_disable_intr_internal(adapter, false); 5160 } /* ixgbe_ensure_disabled_intr */ 5161 5162 /************************************************************************ 5163 * ixgbe_legacy_irq - Legacy Interrupt Service routine 5164 ************************************************************************/ 5165 static int 5166 ixgbe_legacy_irq(void *arg) 5167 { 5168 struct ix_queue *que = arg; 5169 struct adapter *adapter = que->adapter; 5170 struct ixgbe_hw *hw = &adapter->hw; 5171 struct ifnet *ifp = adapter->ifp; 5172 struct tx_ring *txr = adapter->tx_rings; 5173 bool more = false; 5174 bool reenable_intr = true; 5175 u32 eicr, eicr_mask; 5176 u32 task_requests = 0; 5177 5178 /* Silicon errata #26 on 82598 */ 5179 IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_IRQ_CLEAR_MASK); 5180 5181 eicr = IXGBE_READ_REG(hw, IXGBE_EICR); 5182 5183 adapter->stats.pf.legint.ev_count++; 5184 ++que->irqs.ev_count; 5185 if (eicr == 0) { 5186 adapter->stats.pf.intzero.ev_count++; 5187 if ((ifp->if_flags & IFF_UP) != 0) 5188 ixgbe_enable_intr(adapter); 5189 return 0; 5190 } 5191 5192 if ((ifp->if_flags & IFF_RUNNING) != 0) { 5193 /* 5194 * The same as ixgbe_msix_que() about "que->txrx_use_workqueue". 5195 */ 5196 que->txrx_use_workqueue = adapter->txrx_use_workqueue; 5197 5198 #ifdef __NetBSD__ 5199 /* Don't run ixgbe_rxeof in interrupt context */ 5200 more = true; 5201 #else 5202 more = ixgbe_rxeof(que); 5203 #endif 5204 5205 IXGBE_TX_LOCK(txr); 5206 ixgbe_txeof(txr); 5207 #ifdef notyet 5208 if (!ixgbe_ring_empty(ifp, txr->br)) 5209 ixgbe_start_locked(ifp, txr); 5210 #endif 5211 IXGBE_TX_UNLOCK(txr); 5212 } 5213 5214 /* Check for fan failure */ 5215 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) { 5216 ixgbe_check_fan_failure(adapter, eicr, true); 5217 IXGBE_WRITE_REG(hw, IXGBE_EIMS, IXGBE_EICR_GPI_SDP1_BY_MAC(hw)); 5218 } 5219 5220 /* Link status change */ 5221 if (eicr & IXGBE_EICR_LSC) 5222 task_requests |= IXGBE_REQUEST_TASK_LSC; 5223 5224 if (ixgbe_is_sfp(hw)) { 5225 /* Pluggable optics-related interrupt */ 5226 if (hw->mac.type >= ixgbe_mac_X540) 5227 eicr_mask = IXGBE_EICR_GPI_SDP0_X540; 5228 else 5229 eicr_mask = IXGBE_EICR_GPI_SDP2_BY_MAC(hw); 5230 5231 if (eicr & eicr_mask) { 5232 IXGBE_WRITE_REG(hw, IXGBE_EICR, eicr_mask); 5233 task_requests |= IXGBE_REQUEST_TASK_MOD; 5234 } 5235 5236 if ((hw->mac.type == ixgbe_mac_82599EB) && 5237 (eicr & IXGBE_EICR_GPI_SDP1_BY_MAC(hw))) { 5238 IXGBE_WRITE_REG(hw, IXGBE_EICR, 5239 IXGBE_EICR_GPI_SDP1_BY_MAC(hw)); 5240 task_requests |= IXGBE_REQUEST_TASK_MSF; 5241 } 5242 } 5243 5244 /* External PHY interrupt */ 5245 if ((hw->phy.type == ixgbe_phy_x550em_ext_t) && 5246 (eicr & IXGBE_EICR_GPI_SDP0_X540)) 5247 task_requests |= IXGBE_REQUEST_TASK_PHY; 5248 5249 if (more) { 5250 que->req.ev_count++; 5251 ixgbe_sched_handle_que(adapter, que); 5252 reenable_intr = false; 5253 } 5254 if (task_requests != 0) { 5255 /* Re-enabling other interrupts is done in the admin task */ 5256 task_requests |= IXGBE_REQUEST_TASK_NEED_ACKINTR; 5257 atomic_or_32(&adapter->task_requests, task_requests); 5258 ixgbe_schedule_admin_tasklet(adapter); 5259 reenable_intr = false; 5260 } 5261 5262 if (reenable_intr == true) 5263 ixgbe_enable_intr(adapter); 5264 5265 return 1; 5266 } /* ixgbe_legacy_irq */ 5267 5268 /************************************************************************ 5269 * ixgbe_free_pciintr_resources 5270 ************************************************************************/ 5271 static void 5272 ixgbe_free_pciintr_resources(struct adapter *adapter) 5273 { 5274 struct ix_queue *que = adapter->queues; 5275 int rid; 5276 5277 /* 5278 * Release all msix queue resources: 5279 */ 5280 for (int i = 0; i < adapter->num_queues; i++, que++) { 5281 if (que->res != NULL) { 5282 pci_intr_disestablish(adapter->osdep.pc, 5283 adapter->osdep.ihs[i]); 5284 adapter->osdep.ihs[i] = NULL; 5285 } 5286 } 5287 5288 /* Clean the Legacy or Link interrupt last */ 5289 if (adapter->vector) /* we are doing MSIX */ 5290 rid = adapter->vector; 5291 else 5292 rid = 0; 5293 5294 if (adapter->osdep.ihs[rid] != NULL) { 5295 pci_intr_disestablish(adapter->osdep.pc, 5296 adapter->osdep.ihs[rid]); 5297 adapter->osdep.ihs[rid] = NULL; 5298 } 5299 5300 if (adapter->osdep.intrs != NULL) { 5301 pci_intr_release(adapter->osdep.pc, adapter->osdep.intrs, 5302 adapter->osdep.nintrs); 5303 adapter->osdep.intrs = NULL; 5304 } 5305 } /* ixgbe_free_pciintr_resources */ 5306 5307 /************************************************************************ 5308 * ixgbe_free_pci_resources 5309 ************************************************************************/ 5310 static void 5311 ixgbe_free_pci_resources(struct adapter *adapter) 5312 { 5313 5314 ixgbe_free_pciintr_resources(adapter); 5315 5316 if (adapter->osdep.mem_size != 0) { 5317 bus_space_unmap(adapter->osdep.mem_bus_space_tag, 5318 adapter->osdep.mem_bus_space_handle, 5319 adapter->osdep.mem_size); 5320 } 5321 5322 } /* ixgbe_free_pci_resources */ 5323 5324 /************************************************************************ 5325 * ixgbe_set_sysctl_value 5326 ************************************************************************/ 5327 static void 5328 ixgbe_set_sysctl_value(struct adapter *adapter, const char *name, 5329 const char *description, int *limit, int value) 5330 { 5331 device_t dev = adapter->dev; 5332 struct sysctllog **log; 5333 const struct sysctlnode *rnode, *cnode; 5334 5335 /* 5336 * It's not required to check recovery mode because this function never 5337 * touches hardware. 5338 */ 5339 5340 log = &adapter->sysctllog; 5341 if ((rnode = ixgbe_sysctl_instance(adapter)) == NULL) { 5342 aprint_error_dev(dev, "could not create sysctl root\n"); 5343 return; 5344 } 5345 if (sysctl_createv(log, 0, &rnode, &cnode, 5346 CTLFLAG_READWRITE, CTLTYPE_INT, 5347 name, SYSCTL_DESCR(description), 5348 NULL, 0, limit, 0, CTL_CREATE, CTL_EOL) != 0) 5349 aprint_error_dev(dev, "could not create sysctl\n"); 5350 *limit = value; 5351 } /* ixgbe_set_sysctl_value */ 5352 5353 /************************************************************************ 5354 * ixgbe_sysctl_flowcntl 5355 * 5356 * SYSCTL wrapper around setting Flow Control 5357 ************************************************************************/ 5358 static int 5359 ixgbe_sysctl_flowcntl(SYSCTLFN_ARGS) 5360 { 5361 struct sysctlnode node = *rnode; 5362 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5363 int error, fc; 5364 5365 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5366 return (EPERM); 5367 5368 fc = adapter->hw.fc.current_mode; 5369 node.sysctl_data = &fc; 5370 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5371 if (error != 0 || newp == NULL) 5372 return error; 5373 5374 /* Don't bother if it's not changed */ 5375 if (fc == adapter->hw.fc.current_mode) 5376 return (0); 5377 5378 return ixgbe_set_flowcntl(adapter, fc); 5379 } /* ixgbe_sysctl_flowcntl */ 5380 5381 /************************************************************************ 5382 * ixgbe_set_flowcntl - Set flow control 5383 * 5384 * Flow control values: 5385 * 0 - off 5386 * 1 - rx pause 5387 * 2 - tx pause 5388 * 3 - full 5389 ************************************************************************/ 5390 static int 5391 ixgbe_set_flowcntl(struct adapter *adapter, int fc) 5392 { 5393 switch (fc) { 5394 case ixgbe_fc_rx_pause: 5395 case ixgbe_fc_tx_pause: 5396 case ixgbe_fc_full: 5397 adapter->hw.fc.requested_mode = fc; 5398 if (adapter->num_queues > 1) 5399 ixgbe_disable_rx_drop(adapter); 5400 break; 5401 case ixgbe_fc_none: 5402 adapter->hw.fc.requested_mode = ixgbe_fc_none; 5403 if (adapter->num_queues > 1) 5404 ixgbe_enable_rx_drop(adapter); 5405 break; 5406 default: 5407 return (EINVAL); 5408 } 5409 5410 #if 0 /* XXX NetBSD */ 5411 /* Don't autoneg if forcing a value */ 5412 adapter->hw.fc.disable_fc_autoneg = TRUE; 5413 #endif 5414 ixgbe_fc_enable(&adapter->hw); 5415 5416 return (0); 5417 } /* ixgbe_set_flowcntl */ 5418 5419 /************************************************************************ 5420 * ixgbe_enable_rx_drop 5421 * 5422 * Enable the hardware to drop packets when the buffer is 5423 * full. This is useful with multiqueue, so that no single 5424 * queue being full stalls the entire RX engine. We only 5425 * enable this when Multiqueue is enabled AND Flow Control 5426 * is disabled. 5427 ************************************************************************/ 5428 static void 5429 ixgbe_enable_rx_drop(struct adapter *adapter) 5430 { 5431 struct ixgbe_hw *hw = &adapter->hw; 5432 struct rx_ring *rxr; 5433 u32 srrctl; 5434 5435 for (int i = 0; i < adapter->num_queues; i++) { 5436 rxr = &adapter->rx_rings[i]; 5437 srrctl = IXGBE_READ_REG(hw, IXGBE_SRRCTL(rxr->me)); 5438 srrctl |= IXGBE_SRRCTL_DROP_EN; 5439 IXGBE_WRITE_REG(hw, IXGBE_SRRCTL(rxr->me), srrctl); 5440 } 5441 5442 /* enable drop for each vf */ 5443 for (int i = 0; i < adapter->num_vfs; i++) { 5444 IXGBE_WRITE_REG(hw, IXGBE_QDE, 5445 (IXGBE_QDE_WRITE | (i << IXGBE_QDE_IDX_SHIFT) | 5446 IXGBE_QDE_ENABLE)); 5447 } 5448 } /* ixgbe_enable_rx_drop */ 5449 5450 /************************************************************************ 5451 * ixgbe_disable_rx_drop 5452 ************************************************************************/ 5453 static void 5454 ixgbe_disable_rx_drop(struct adapter *adapter) 5455 { 5456 struct ixgbe_hw *hw = &adapter->hw; 5457 struct rx_ring *rxr; 5458 u32 srrctl; 5459 5460 for (int i = 0; i < adapter->num_queues; i++) { 5461 rxr = &adapter->rx_rings[i]; 5462 srrctl = IXGBE_READ_REG(hw, IXGBE_SRRCTL(rxr->me)); 5463 srrctl &= ~IXGBE_SRRCTL_DROP_EN; 5464 IXGBE_WRITE_REG(hw, IXGBE_SRRCTL(rxr->me), srrctl); 5465 } 5466 5467 /* disable drop for each vf */ 5468 for (int i = 0; i < adapter->num_vfs; i++) { 5469 IXGBE_WRITE_REG(hw, IXGBE_QDE, 5470 (IXGBE_QDE_WRITE | (i << IXGBE_QDE_IDX_SHIFT))); 5471 } 5472 } /* ixgbe_disable_rx_drop */ 5473 5474 /************************************************************************ 5475 * ixgbe_sysctl_advertise 5476 * 5477 * SYSCTL wrapper around setting advertised speed 5478 ************************************************************************/ 5479 static int 5480 ixgbe_sysctl_advertise(SYSCTLFN_ARGS) 5481 { 5482 struct sysctlnode node = *rnode; 5483 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5484 int error = 0, advertise; 5485 5486 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5487 return (EPERM); 5488 5489 advertise = adapter->advertise; 5490 node.sysctl_data = &advertise; 5491 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5492 if (error != 0 || newp == NULL) 5493 return error; 5494 5495 return ixgbe_set_advertise(adapter, advertise); 5496 } /* ixgbe_sysctl_advertise */ 5497 5498 /************************************************************************ 5499 * ixgbe_set_advertise - Control advertised link speed 5500 * 5501 * Flags: 5502 * 0x00 - Default (all capable link speed) 5503 * 0x01 - advertise 100 Mb 5504 * 0x02 - advertise 1G 5505 * 0x04 - advertise 10G 5506 * 0x08 - advertise 10 Mb 5507 * 0x10 - advertise 2.5G 5508 * 0x20 - advertise 5G 5509 ************************************************************************/ 5510 static int 5511 ixgbe_set_advertise(struct adapter *adapter, int advertise) 5512 { 5513 device_t dev; 5514 struct ixgbe_hw *hw; 5515 ixgbe_link_speed speed = 0; 5516 ixgbe_link_speed link_caps = 0; 5517 s32 err = IXGBE_NOT_IMPLEMENTED; 5518 bool negotiate = FALSE; 5519 5520 /* Checks to validate new value */ 5521 if (adapter->advertise == advertise) /* no change */ 5522 return (0); 5523 5524 dev = adapter->dev; 5525 hw = &adapter->hw; 5526 5527 /* No speed changes for backplane media */ 5528 if (hw->phy.media_type == ixgbe_media_type_backplane) 5529 return (ENODEV); 5530 5531 if (!((hw->phy.media_type == ixgbe_media_type_copper) || 5532 (hw->phy.multispeed_fiber))) { 5533 device_printf(dev, 5534 "Advertised speed can only be set on copper or " 5535 "multispeed fiber media types.\n"); 5536 return (EINVAL); 5537 } 5538 5539 if (advertise < 0x0 || advertise > 0x2f) { 5540 device_printf(dev, 5541 "Invalid advertised speed; valid modes are 0x0 through 0x7\n"); 5542 return (EINVAL); 5543 } 5544 5545 if (hw->mac.ops.get_link_capabilities) { 5546 err = hw->mac.ops.get_link_capabilities(hw, &link_caps, 5547 &negotiate); 5548 if (err != IXGBE_SUCCESS) { 5549 device_printf(dev, "Unable to determine supported advertise speeds\n"); 5550 return (ENODEV); 5551 } 5552 } 5553 5554 /* Set new value and report new advertised mode */ 5555 if (advertise & 0x1) { 5556 if (!(link_caps & IXGBE_LINK_SPEED_100_FULL)) { 5557 device_printf(dev, "Interface does not support 100Mb advertised speed\n"); 5558 return (EINVAL); 5559 } 5560 speed |= IXGBE_LINK_SPEED_100_FULL; 5561 } 5562 if (advertise & 0x2) { 5563 if (!(link_caps & IXGBE_LINK_SPEED_1GB_FULL)) { 5564 device_printf(dev, "Interface does not support 1Gb advertised speed\n"); 5565 return (EINVAL); 5566 } 5567 speed |= IXGBE_LINK_SPEED_1GB_FULL; 5568 } 5569 if (advertise & 0x4) { 5570 if (!(link_caps & IXGBE_LINK_SPEED_10GB_FULL)) { 5571 device_printf(dev, "Interface does not support 10Gb advertised speed\n"); 5572 return (EINVAL); 5573 } 5574 speed |= IXGBE_LINK_SPEED_10GB_FULL; 5575 } 5576 if (advertise & 0x8) { 5577 if (!(link_caps & IXGBE_LINK_SPEED_10_FULL)) { 5578 device_printf(dev, "Interface does not support 10Mb advertised speed\n"); 5579 return (EINVAL); 5580 } 5581 speed |= IXGBE_LINK_SPEED_10_FULL; 5582 } 5583 if (advertise & 0x10) { 5584 if (!(link_caps & IXGBE_LINK_SPEED_2_5GB_FULL)) { 5585 device_printf(dev, "Interface does not support 2.5Gb advertised speed\n"); 5586 return (EINVAL); 5587 } 5588 speed |= IXGBE_LINK_SPEED_2_5GB_FULL; 5589 } 5590 if (advertise & 0x20) { 5591 if (!(link_caps & IXGBE_LINK_SPEED_5GB_FULL)) { 5592 device_printf(dev, "Interface does not support 5Gb advertised speed\n"); 5593 return (EINVAL); 5594 } 5595 speed |= IXGBE_LINK_SPEED_5GB_FULL; 5596 } 5597 if (advertise == 0) 5598 speed = link_caps; /* All capable link speed */ 5599 5600 hw->mac.autotry_restart = TRUE; 5601 hw->mac.ops.setup_link(hw, speed, TRUE); 5602 adapter->advertise = advertise; 5603 5604 return (0); 5605 } /* ixgbe_set_advertise */ 5606 5607 /************************************************************************ 5608 * ixgbe_get_advertise - Get current advertised speed settings 5609 * 5610 * Formatted for sysctl usage. 5611 * Flags: 5612 * 0x01 - advertise 100 Mb 5613 * 0x02 - advertise 1G 5614 * 0x04 - advertise 10G 5615 * 0x08 - advertise 10 Mb (yes, Mb) 5616 * 0x10 - advertise 2.5G 5617 * 0x20 - advertise 5G 5618 ************************************************************************/ 5619 static int 5620 ixgbe_get_advertise(struct adapter *adapter) 5621 { 5622 struct ixgbe_hw *hw = &adapter->hw; 5623 int speed; 5624 ixgbe_link_speed link_caps = 0; 5625 s32 err; 5626 bool negotiate = FALSE; 5627 5628 /* 5629 * Advertised speed means nothing unless it's copper or 5630 * multi-speed fiber 5631 */ 5632 if (!(hw->phy.media_type == ixgbe_media_type_copper) && 5633 !(hw->phy.multispeed_fiber)) 5634 return (0); 5635 5636 err = hw->mac.ops.get_link_capabilities(hw, &link_caps, &negotiate); 5637 if (err != IXGBE_SUCCESS) 5638 return (0); 5639 5640 speed = 5641 ((link_caps & IXGBE_LINK_SPEED_10GB_FULL) ? 0x04 : 0) | 5642 ((link_caps & IXGBE_LINK_SPEED_1GB_FULL) ? 0x02 : 0) | 5643 ((link_caps & IXGBE_LINK_SPEED_100_FULL) ? 0x01 : 0) | 5644 ((link_caps & IXGBE_LINK_SPEED_10_FULL) ? 0x08 : 0) | 5645 ((link_caps & IXGBE_LINK_SPEED_2_5GB_FULL) ? 0x10 : 0) | 5646 ((link_caps & IXGBE_LINK_SPEED_5GB_FULL) ? 0x20 : 0); 5647 5648 return speed; 5649 } /* ixgbe_get_advertise */ 5650 5651 /************************************************************************ 5652 * ixgbe_sysctl_dmac - Manage DMA Coalescing 5653 * 5654 * Control values: 5655 * 0/1 - off / on (use default value of 1000) 5656 * 5657 * Legal timer values are: 5658 * 50,100,250,500,1000,2000,5000,10000 5659 * 5660 * Turning off interrupt moderation will also turn this off. 5661 ************************************************************************/ 5662 static int 5663 ixgbe_sysctl_dmac(SYSCTLFN_ARGS) 5664 { 5665 struct sysctlnode node = *rnode; 5666 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5667 struct ifnet *ifp = adapter->ifp; 5668 int error; 5669 int newval; 5670 5671 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5672 return (EPERM); 5673 5674 newval = adapter->dmac; 5675 node.sysctl_data = &newval; 5676 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5677 if ((error) || (newp == NULL)) 5678 return (error); 5679 5680 switch (newval) { 5681 case 0: 5682 /* Disabled */ 5683 adapter->dmac = 0; 5684 break; 5685 case 1: 5686 /* Enable and use default */ 5687 adapter->dmac = 1000; 5688 break; 5689 case 50: 5690 case 100: 5691 case 250: 5692 case 500: 5693 case 1000: 5694 case 2000: 5695 case 5000: 5696 case 10000: 5697 /* Legal values - allow */ 5698 adapter->dmac = newval; 5699 break; 5700 default: 5701 /* Do nothing, illegal value */ 5702 return (EINVAL); 5703 } 5704 5705 /* Re-initialize hardware if it's already running */ 5706 if (ifp->if_flags & IFF_RUNNING) 5707 ifp->if_init(ifp); 5708 5709 return (0); 5710 } 5711 5712 #ifdef IXGBE_DEBUG 5713 /************************************************************************ 5714 * ixgbe_sysctl_power_state 5715 * 5716 * Sysctl to test power states 5717 * Values: 5718 * 0 - set device to D0 5719 * 3 - set device to D3 5720 * (none) - get current device power state 5721 ************************************************************************/ 5722 static int 5723 ixgbe_sysctl_power_state(SYSCTLFN_ARGS) 5724 { 5725 #ifdef notyet 5726 struct sysctlnode node = *rnode; 5727 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5728 device_t dev = adapter->dev; 5729 int curr_ps, new_ps, error = 0; 5730 5731 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5732 return (EPERM); 5733 5734 curr_ps = new_ps = pci_get_powerstate(dev); 5735 5736 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5737 if ((error) || (req->newp == NULL)) 5738 return (error); 5739 5740 if (new_ps == curr_ps) 5741 return (0); 5742 5743 if (new_ps == 3 && curr_ps == 0) 5744 error = DEVICE_SUSPEND(dev); 5745 else if (new_ps == 0 && curr_ps == 3) 5746 error = DEVICE_RESUME(dev); 5747 else 5748 return (EINVAL); 5749 5750 device_printf(dev, "New state: %d\n", pci_get_powerstate(dev)); 5751 5752 return (error); 5753 #else 5754 return 0; 5755 #endif 5756 } /* ixgbe_sysctl_power_state */ 5757 #endif 5758 5759 /************************************************************************ 5760 * ixgbe_sysctl_wol_enable 5761 * 5762 * Sysctl to enable/disable the WoL capability, 5763 * if supported by the adapter. 5764 * 5765 * Values: 5766 * 0 - disabled 5767 * 1 - enabled 5768 ************************************************************************/ 5769 static int 5770 ixgbe_sysctl_wol_enable(SYSCTLFN_ARGS) 5771 { 5772 struct sysctlnode node = *rnode; 5773 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5774 struct ixgbe_hw *hw = &adapter->hw; 5775 bool new_wol_enabled; 5776 int error = 0; 5777 5778 /* 5779 * It's not required to check recovery mode because this function never 5780 * touches hardware. 5781 */ 5782 new_wol_enabled = hw->wol_enabled; 5783 node.sysctl_data = &new_wol_enabled; 5784 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5785 if ((error) || (newp == NULL)) 5786 return (error); 5787 if (new_wol_enabled == hw->wol_enabled) 5788 return (0); 5789 5790 if (new_wol_enabled && !adapter->wol_support) 5791 return (ENODEV); 5792 else 5793 hw->wol_enabled = new_wol_enabled; 5794 5795 return (0); 5796 } /* ixgbe_sysctl_wol_enable */ 5797 5798 /************************************************************************ 5799 * ixgbe_sysctl_wufc - Wake Up Filter Control 5800 * 5801 * Sysctl to enable/disable the types of packets that the 5802 * adapter will wake up on upon receipt. 5803 * Flags: 5804 * 0x1 - Link Status Change 5805 * 0x2 - Magic Packet 5806 * 0x4 - Direct Exact 5807 * 0x8 - Directed Multicast 5808 * 0x10 - Broadcast 5809 * 0x20 - ARP/IPv4 Request Packet 5810 * 0x40 - Direct IPv4 Packet 5811 * 0x80 - Direct IPv6 Packet 5812 * 5813 * Settings not listed above will cause the sysctl to return an error. 5814 ************************************************************************/ 5815 static int 5816 ixgbe_sysctl_wufc(SYSCTLFN_ARGS) 5817 { 5818 struct sysctlnode node = *rnode; 5819 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5820 int error = 0; 5821 u32 new_wufc; 5822 5823 /* 5824 * It's not required to check recovery mode because this function never 5825 * touches hardware. 5826 */ 5827 new_wufc = adapter->wufc; 5828 node.sysctl_data = &new_wufc; 5829 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5830 if ((error) || (newp == NULL)) 5831 return (error); 5832 if (new_wufc == adapter->wufc) 5833 return (0); 5834 5835 if (new_wufc & 0xffffff00) 5836 return (EINVAL); 5837 5838 new_wufc &= 0xff; 5839 new_wufc |= (0xffffff & adapter->wufc); 5840 adapter->wufc = new_wufc; 5841 5842 return (0); 5843 } /* ixgbe_sysctl_wufc */ 5844 5845 #ifdef IXGBE_DEBUG 5846 /************************************************************************ 5847 * ixgbe_sysctl_print_rss_config 5848 ************************************************************************/ 5849 static int 5850 ixgbe_sysctl_print_rss_config(SYSCTLFN_ARGS) 5851 { 5852 #ifdef notyet 5853 struct sysctlnode node = *rnode; 5854 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5855 struct ixgbe_hw *hw = &adapter->hw; 5856 device_t dev = adapter->dev; 5857 struct sbuf *buf; 5858 int error = 0, reta_size; 5859 u32 reg; 5860 5861 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5862 return (EPERM); 5863 5864 buf = sbuf_new_for_sysctl(NULL, NULL, 128, req); 5865 if (!buf) { 5866 device_printf(dev, "Could not allocate sbuf for output.\n"); 5867 return (ENOMEM); 5868 } 5869 5870 // TODO: use sbufs to make a string to print out 5871 /* Set multiplier for RETA setup and table size based on MAC */ 5872 switch (adapter->hw.mac.type) { 5873 case ixgbe_mac_X550: 5874 case ixgbe_mac_X550EM_x: 5875 case ixgbe_mac_X550EM_a: 5876 reta_size = 128; 5877 break; 5878 default: 5879 reta_size = 32; 5880 break; 5881 } 5882 5883 /* Print out the redirection table */ 5884 sbuf_cat(buf, "\n"); 5885 for (int i = 0; i < reta_size; i++) { 5886 if (i < 32) { 5887 reg = IXGBE_READ_REG(hw, IXGBE_RETA(i)); 5888 sbuf_printf(buf, "RETA(%2d): 0x%08x\n", i, reg); 5889 } else { 5890 reg = IXGBE_READ_REG(hw, IXGBE_ERETA(i - 32)); 5891 sbuf_printf(buf, "ERETA(%2d): 0x%08x\n", i - 32, reg); 5892 } 5893 } 5894 5895 // TODO: print more config 5896 5897 error = sbuf_finish(buf); 5898 if (error) 5899 device_printf(dev, "Error finishing sbuf: %d\n", error); 5900 5901 sbuf_delete(buf); 5902 #endif 5903 return (0); 5904 } /* ixgbe_sysctl_print_rss_config */ 5905 #endif /* IXGBE_DEBUG */ 5906 5907 /************************************************************************ 5908 * ixgbe_sysctl_phy_temp - Retrieve temperature of PHY 5909 * 5910 * For X552/X557-AT devices using an external PHY 5911 ************************************************************************/ 5912 static int 5913 ixgbe_sysctl_phy_temp(SYSCTLFN_ARGS) 5914 { 5915 struct sysctlnode node = *rnode; 5916 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5917 struct ixgbe_hw *hw = &adapter->hw; 5918 int val; 5919 u16 reg; 5920 int error; 5921 5922 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5923 return (EPERM); 5924 5925 if (hw->device_id != IXGBE_DEV_ID_X550EM_X_10G_T) { 5926 device_printf(adapter->dev, 5927 "Device has no supported external thermal sensor.\n"); 5928 return (ENODEV); 5929 } 5930 5931 if (hw->phy.ops.read_reg(hw, IXGBE_PHY_CURRENT_TEMP, 5932 IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, ®)) { 5933 device_printf(adapter->dev, 5934 "Error reading from PHY's current temperature register\n"); 5935 return (EAGAIN); 5936 } 5937 5938 node.sysctl_data = &val; 5939 5940 /* Shift temp for output */ 5941 val = reg >> 8; 5942 5943 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5944 if ((error) || (newp == NULL)) 5945 return (error); 5946 5947 return (0); 5948 } /* ixgbe_sysctl_phy_temp */ 5949 5950 /************************************************************************ 5951 * ixgbe_sysctl_phy_overtemp_occurred 5952 * 5953 * Reports (directly from the PHY) whether the current PHY 5954 * temperature is over the overtemp threshold. 5955 ************************************************************************/ 5956 static int 5957 ixgbe_sysctl_phy_overtemp_occurred(SYSCTLFN_ARGS) 5958 { 5959 struct sysctlnode node = *rnode; 5960 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5961 struct ixgbe_hw *hw = &adapter->hw; 5962 int val, error; 5963 u16 reg; 5964 5965 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5966 return (EPERM); 5967 5968 if (hw->device_id != IXGBE_DEV_ID_X550EM_X_10G_T) { 5969 device_printf(adapter->dev, 5970 "Device has no supported external thermal sensor.\n"); 5971 return (ENODEV); 5972 } 5973 5974 if (hw->phy.ops.read_reg(hw, IXGBE_PHY_OVERTEMP_STATUS, 5975 IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, ®)) { 5976 device_printf(adapter->dev, 5977 "Error reading from PHY's temperature status register\n"); 5978 return (EAGAIN); 5979 } 5980 5981 node.sysctl_data = &val; 5982 5983 /* Get occurrence bit */ 5984 val = !!(reg & 0x4000); 5985 5986 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5987 if ((error) || (newp == NULL)) 5988 return (error); 5989 5990 return (0); 5991 } /* ixgbe_sysctl_phy_overtemp_occurred */ 5992 5993 /************************************************************************ 5994 * ixgbe_sysctl_eee_state 5995 * 5996 * Sysctl to set EEE power saving feature 5997 * Values: 5998 * 0 - disable EEE 5999 * 1 - enable EEE 6000 * (none) - get current device EEE state 6001 ************************************************************************/ 6002 static int 6003 ixgbe_sysctl_eee_state(SYSCTLFN_ARGS) 6004 { 6005 struct sysctlnode node = *rnode; 6006 struct adapter *adapter = (struct adapter *)node.sysctl_data; 6007 struct ifnet *ifp = adapter->ifp; 6008 device_t dev = adapter->dev; 6009 int curr_eee, new_eee, error = 0; 6010 s32 retval; 6011 6012 if (ixgbe_fw_recovery_mode_swflag(adapter)) 6013 return (EPERM); 6014 6015 curr_eee = new_eee = !!(adapter->feat_en & IXGBE_FEATURE_EEE); 6016 node.sysctl_data = &new_eee; 6017 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 6018 if ((error) || (newp == NULL)) 6019 return (error); 6020 6021 /* Nothing to do */ 6022 if (new_eee == curr_eee) 6023 return (0); 6024 6025 /* Not supported */ 6026 if (!(adapter->feat_cap & IXGBE_FEATURE_EEE)) 6027 return (EINVAL); 6028 6029 /* Bounds checking */ 6030 if ((new_eee < 0) || (new_eee > 1)) 6031 return (EINVAL); 6032 6033 retval = ixgbe_setup_eee(&adapter->hw, new_eee); 6034 if (retval) { 6035 device_printf(dev, "Error in EEE setup: 0x%08X\n", retval); 6036 return (EINVAL); 6037 } 6038 6039 /* Restart auto-neg */ 6040 ifp->if_init(ifp); 6041 6042 device_printf(dev, "New EEE state: %d\n", new_eee); 6043 6044 /* Cache new value */ 6045 if (new_eee) 6046 adapter->feat_en |= IXGBE_FEATURE_EEE; 6047 else 6048 adapter->feat_en &= ~IXGBE_FEATURE_EEE; 6049 6050 return (error); 6051 } /* ixgbe_sysctl_eee_state */ 6052 6053 #define PRINTQS(adapter, regname) \ 6054 do { \ 6055 struct ixgbe_hw *_hw = &(adapter)->hw; \ 6056 int _i; \ 6057 \ 6058 printf("%s: %s", device_xname((adapter)->dev), #regname); \ 6059 for (_i = 0; _i < (adapter)->num_queues; _i++) { \ 6060 printf((_i == 0) ? "\t" : " "); \ 6061 printf("%08x", IXGBE_READ_REG(_hw, \ 6062 IXGBE_##regname(_i))); \ 6063 } \ 6064 printf("\n"); \ 6065 } while (0) 6066 6067 /************************************************************************ 6068 * ixgbe_print_debug_info 6069 * 6070 * Called only when em_display_debug_stats is enabled. 6071 * Provides a way to take a look at important statistics 6072 * maintained by the driver and hardware. 6073 ************************************************************************/ 6074 static void 6075 ixgbe_print_debug_info(struct adapter *adapter) 6076 { 6077 device_t dev = adapter->dev; 6078 struct ixgbe_hw *hw = &adapter->hw; 6079 int table_size; 6080 int i; 6081 6082 switch (adapter->hw.mac.type) { 6083 case ixgbe_mac_X550: 6084 case ixgbe_mac_X550EM_x: 6085 case ixgbe_mac_X550EM_a: 6086 table_size = 128; 6087 break; 6088 default: 6089 table_size = 32; 6090 break; 6091 } 6092 6093 device_printf(dev, "[E]RETA:\n"); 6094 for (i = 0; i < table_size; i++) { 6095 if (i < 32) 6096 printf("%02x: %08x\n", i, IXGBE_READ_REG(hw, 6097 IXGBE_RETA(i))); 6098 else 6099 printf("%02x: %08x\n", i, IXGBE_READ_REG(hw, 6100 IXGBE_ERETA(i - 32))); 6101 } 6102 6103 device_printf(dev, "queue:"); 6104 for (i = 0; i < adapter->num_queues; i++) { 6105 printf((i == 0) ? "\t" : " "); 6106 printf("%8d", i); 6107 } 6108 printf("\n"); 6109 PRINTQS(adapter, RDBAL); 6110 PRINTQS(adapter, RDBAH); 6111 PRINTQS(adapter, RDLEN); 6112 PRINTQS(adapter, SRRCTL); 6113 PRINTQS(adapter, RDH); 6114 PRINTQS(adapter, RDT); 6115 PRINTQS(adapter, RXDCTL); 6116 6117 device_printf(dev, "RQSMR:"); 6118 for (i = 0; i < adapter->num_queues / 4; i++) { 6119 printf((i == 0) ? "\t" : " "); 6120 printf("%08x", IXGBE_READ_REG(hw, IXGBE_RQSMR(i))); 6121 } 6122 printf("\n"); 6123 6124 device_printf(dev, "disabled_count:"); 6125 for (i = 0; i < adapter->num_queues; i++) { 6126 printf((i == 0) ? "\t" : " "); 6127 printf("%8d", adapter->queues[i].disabled_count); 6128 } 6129 printf("\n"); 6130 6131 device_printf(dev, "EIMS:\t%08x\n", IXGBE_READ_REG(hw, IXGBE_EIMS)); 6132 if (hw->mac.type != ixgbe_mac_82598EB) { 6133 device_printf(dev, "EIMS_EX(0):\t%08x\n", 6134 IXGBE_READ_REG(hw, IXGBE_EIMS_EX(0))); 6135 device_printf(dev, "EIMS_EX(1):\t%08x\n", 6136 IXGBE_READ_REG(hw, IXGBE_EIMS_EX(1))); 6137 } 6138 } /* ixgbe_print_debug_info */ 6139 6140 /************************************************************************ 6141 * ixgbe_sysctl_debug 6142 ************************************************************************/ 6143 static int 6144 ixgbe_sysctl_debug(SYSCTLFN_ARGS) 6145 { 6146 struct sysctlnode node = *rnode; 6147 struct adapter *adapter = (struct adapter *)node.sysctl_data; 6148 int error, result = 0; 6149 6150 if (ixgbe_fw_recovery_mode_swflag(adapter)) 6151 return (EPERM); 6152 6153 node.sysctl_data = &result; 6154 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 6155 6156 if (error || newp == NULL) 6157 return error; 6158 6159 if (result == 1) 6160 ixgbe_print_debug_info(adapter); 6161 6162 return 0; 6163 } /* ixgbe_sysctl_debug */ 6164 6165 /************************************************************************ 6166 * ixgbe_init_device_features 6167 ************************************************************************/ 6168 static void 6169 ixgbe_init_device_features(struct adapter *adapter) 6170 { 6171 adapter->feat_cap = IXGBE_FEATURE_NETMAP 6172 | IXGBE_FEATURE_RSS 6173 | IXGBE_FEATURE_MSI 6174 | IXGBE_FEATURE_MSIX 6175 | IXGBE_FEATURE_LEGACY_IRQ 6176 | IXGBE_FEATURE_LEGACY_TX; 6177 6178 /* Set capabilities first... */ 6179 switch (adapter->hw.mac.type) { 6180 case ixgbe_mac_82598EB: 6181 if (adapter->hw.device_id == IXGBE_DEV_ID_82598AT) 6182 adapter->feat_cap |= IXGBE_FEATURE_FAN_FAIL; 6183 break; 6184 case ixgbe_mac_X540: 6185 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 6186 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 6187 if ((adapter->hw.device_id == IXGBE_DEV_ID_X540_BYPASS) && 6188 (adapter->hw.bus.func == 0)) 6189 adapter->feat_cap |= IXGBE_FEATURE_BYPASS; 6190 break; 6191 case ixgbe_mac_X550: 6192 /* 6193 * IXGBE_FEATURE_RECOVERY_MODE will be set after reading 6194 * NVM Image version. 6195 */ 6196 adapter->feat_cap |= IXGBE_FEATURE_TEMP_SENSOR; 6197 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 6198 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 6199 break; 6200 case ixgbe_mac_X550EM_x: 6201 /* 6202 * IXGBE_FEATURE_RECOVERY_MODE will be set after reading 6203 * NVM Image version. 6204 */ 6205 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 6206 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 6207 break; 6208 case ixgbe_mac_X550EM_a: 6209 /* 6210 * IXGBE_FEATURE_RECOVERY_MODE will be set after reading 6211 * NVM Image version. 6212 */ 6213 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 6214 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 6215 adapter->feat_cap &= ~IXGBE_FEATURE_LEGACY_IRQ; 6216 if ((adapter->hw.device_id == IXGBE_DEV_ID_X550EM_A_1G_T) || 6217 (adapter->hw.device_id == IXGBE_DEV_ID_X550EM_A_1G_T_L)) { 6218 adapter->feat_cap |= IXGBE_FEATURE_TEMP_SENSOR; 6219 adapter->feat_cap |= IXGBE_FEATURE_EEE; 6220 } 6221 break; 6222 case ixgbe_mac_82599EB: 6223 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 6224 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 6225 if ((adapter->hw.device_id == IXGBE_DEV_ID_82599_BYPASS) && 6226 (adapter->hw.bus.func == 0)) 6227 adapter->feat_cap |= IXGBE_FEATURE_BYPASS; 6228 if (adapter->hw.device_id == IXGBE_DEV_ID_82599_QSFP_SF_QP) 6229 adapter->feat_cap &= ~IXGBE_FEATURE_LEGACY_IRQ; 6230 break; 6231 default: 6232 break; 6233 } 6234 6235 /* Enabled by default... */ 6236 /* Fan failure detection */ 6237 if (adapter->feat_cap & IXGBE_FEATURE_FAN_FAIL) 6238 adapter->feat_en |= IXGBE_FEATURE_FAN_FAIL; 6239 /* Netmap */ 6240 if (adapter->feat_cap & IXGBE_FEATURE_NETMAP) 6241 adapter->feat_en |= IXGBE_FEATURE_NETMAP; 6242 /* EEE */ 6243 if (adapter->feat_cap & IXGBE_FEATURE_EEE) 6244 adapter->feat_en |= IXGBE_FEATURE_EEE; 6245 /* Thermal Sensor */ 6246 if (adapter->feat_cap & IXGBE_FEATURE_TEMP_SENSOR) 6247 adapter->feat_en |= IXGBE_FEATURE_TEMP_SENSOR; 6248 /* 6249 * Recovery mode: 6250 * NetBSD: IXGBE_FEATURE_RECOVERY_MODE will be controlled after reading 6251 * NVM Image version. 6252 */ 6253 6254 /* Enabled via global sysctl... */ 6255 /* Flow Director */ 6256 if (ixgbe_enable_fdir) { 6257 if (adapter->feat_cap & IXGBE_FEATURE_FDIR) 6258 adapter->feat_en |= IXGBE_FEATURE_FDIR; 6259 else 6260 device_printf(adapter->dev, "Device does not support Flow Director. Leaving disabled."); 6261 } 6262 /* Legacy (single queue) transmit */ 6263 if ((adapter->feat_cap & IXGBE_FEATURE_LEGACY_TX) && 6264 ixgbe_enable_legacy_tx) 6265 adapter->feat_en |= IXGBE_FEATURE_LEGACY_TX; 6266 /* 6267 * Message Signal Interrupts - Extended (MSI-X) 6268 * Normal MSI is only enabled if MSI-X calls fail. 6269 */ 6270 if (!ixgbe_enable_msix) 6271 adapter->feat_cap &= ~IXGBE_FEATURE_MSIX; 6272 /* Receive-Side Scaling (RSS) */ 6273 if ((adapter->feat_cap & IXGBE_FEATURE_RSS) && ixgbe_enable_rss) 6274 adapter->feat_en |= IXGBE_FEATURE_RSS; 6275 6276 /* Disable features with unmet dependencies... */ 6277 /* No MSI-X */ 6278 if (!(adapter->feat_cap & IXGBE_FEATURE_MSIX)) { 6279 adapter->feat_cap &= ~IXGBE_FEATURE_RSS; 6280 adapter->feat_cap &= ~IXGBE_FEATURE_SRIOV; 6281 adapter->feat_en &= ~IXGBE_FEATURE_RSS; 6282 adapter->feat_en &= ~IXGBE_FEATURE_SRIOV; 6283 } 6284 } /* ixgbe_init_device_features */ 6285 6286 /************************************************************************ 6287 * ixgbe_probe - Device identification routine 6288 * 6289 * Determines if the driver should be loaded on 6290 * adapter based on its PCI vendor/device ID. 6291 * 6292 * return BUS_PROBE_DEFAULT on success, positive on failure 6293 ************************************************************************/ 6294 static int 6295 ixgbe_probe(device_t dev, cfdata_t cf, void *aux) 6296 { 6297 const struct pci_attach_args *pa = aux; 6298 6299 return (ixgbe_lookup(pa) != NULL) ? 1 : 0; 6300 } 6301 6302 static const ixgbe_vendor_info_t * 6303 ixgbe_lookup(const struct pci_attach_args *pa) 6304 { 6305 const ixgbe_vendor_info_t *ent; 6306 pcireg_t subid; 6307 6308 INIT_DEBUGOUT("ixgbe_lookup: begin"); 6309 6310 if (PCI_VENDOR(pa->pa_id) != IXGBE_INTEL_VENDOR_ID) 6311 return NULL; 6312 6313 subid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG); 6314 6315 for (ent = ixgbe_vendor_info_array; ent->vendor_id != 0; ent++) { 6316 if ((PCI_VENDOR(pa->pa_id) == ent->vendor_id) && 6317 (PCI_PRODUCT(pa->pa_id) == ent->device_id) && 6318 ((PCI_SUBSYS_VENDOR(subid) == ent->subvendor_id) || 6319 (ent->subvendor_id == 0)) && 6320 ((PCI_SUBSYS_ID(subid) == ent->subdevice_id) || 6321 (ent->subdevice_id == 0))) { 6322 return ent; 6323 } 6324 } 6325 return NULL; 6326 } 6327 6328 static int 6329 ixgbe_ifflags_cb(struct ethercom *ec) 6330 { 6331 struct ifnet *ifp = &ec->ec_if; 6332 struct adapter *adapter = ifp->if_softc; 6333 u_short change; 6334 int rv = 0; 6335 6336 IXGBE_CORE_LOCK(adapter); 6337 6338 change = ifp->if_flags ^ adapter->if_flags; 6339 if (change != 0) 6340 adapter->if_flags = ifp->if_flags; 6341 6342 if ((change & ~(IFF_CANTCHANGE | IFF_DEBUG)) != 0) { 6343 rv = ENETRESET; 6344 goto out; 6345 } else if ((change & IFF_PROMISC) != 0) 6346 ixgbe_set_rxfilter(adapter); 6347 6348 /* Check for ec_capenable. */ 6349 change = ec->ec_capenable ^ adapter->ec_capenable; 6350 adapter->ec_capenable = ec->ec_capenable; 6351 if ((change & ~(ETHERCAP_VLAN_MTU | ETHERCAP_VLAN_HWTAGGING 6352 | ETHERCAP_VLAN_HWFILTER)) != 0) { 6353 rv = ENETRESET; 6354 goto out; 6355 } 6356 6357 /* 6358 * Special handling is not required for ETHERCAP_VLAN_MTU. 6359 * MAXFRS(MHADD) does not include the 4bytes of the VLAN header. 6360 */ 6361 6362 /* Set up VLAN support and filter */ 6363 if ((change & (ETHERCAP_VLAN_HWTAGGING | ETHERCAP_VLAN_HWFILTER)) != 0) 6364 ixgbe_setup_vlan_hw_support(adapter); 6365 6366 out: 6367 IXGBE_CORE_UNLOCK(adapter); 6368 6369 return rv; 6370 } 6371 6372 /************************************************************************ 6373 * ixgbe_ioctl - Ioctl entry point 6374 * 6375 * Called when the user wants to configure the interface. 6376 * 6377 * return 0 on success, positive on failure 6378 ************************************************************************/ 6379 static int 6380 ixgbe_ioctl(struct ifnet *ifp, u_long command, void *data) 6381 { 6382 struct adapter *adapter = ifp->if_softc; 6383 struct ixgbe_hw *hw = &adapter->hw; 6384 struct ifcapreq *ifcr = data; 6385 struct ifreq *ifr = data; 6386 int error = 0; 6387 int l4csum_en; 6388 const int l4csum = IFCAP_CSUM_TCPv4_Rx | IFCAP_CSUM_UDPv4_Rx | 6389 IFCAP_CSUM_TCPv6_Rx | IFCAP_CSUM_UDPv6_Rx; 6390 6391 if (ixgbe_fw_recovery_mode_swflag(adapter)) 6392 return (EPERM); 6393 6394 switch (command) { 6395 case SIOCSIFFLAGS: 6396 IOCTL_DEBUGOUT("ioctl: SIOCSIFFLAGS (Set Interface Flags)"); 6397 break; 6398 case SIOCADDMULTI: 6399 case SIOCDELMULTI: 6400 IOCTL_DEBUGOUT("ioctl: SIOC(ADD|DEL)MULTI"); 6401 break; 6402 case SIOCSIFMEDIA: 6403 case SIOCGIFMEDIA: 6404 IOCTL_DEBUGOUT("ioctl: SIOCxIFMEDIA (Get/Set Interface Media)"); 6405 break; 6406 case SIOCSIFCAP: 6407 IOCTL_DEBUGOUT("ioctl: SIOCSIFCAP (Set Capabilities)"); 6408 break; 6409 case SIOCSIFMTU: 6410 IOCTL_DEBUGOUT("ioctl: SIOCSIFMTU (Set Interface MTU)"); 6411 break; 6412 #ifdef __NetBSD__ 6413 case SIOCINITIFADDR: 6414 IOCTL_DEBUGOUT("ioctl: SIOCINITIFADDR"); 6415 break; 6416 case SIOCGIFFLAGS: 6417 IOCTL_DEBUGOUT("ioctl: SIOCGIFFLAGS"); 6418 break; 6419 case SIOCGIFAFLAG_IN: 6420 IOCTL_DEBUGOUT("ioctl: SIOCGIFAFLAG_IN"); 6421 break; 6422 case SIOCGIFADDR: 6423 IOCTL_DEBUGOUT("ioctl: SIOCGIFADDR"); 6424 break; 6425 case SIOCGIFMTU: 6426 IOCTL_DEBUGOUT("ioctl: SIOCGIFMTU (Get Interface MTU)"); 6427 break; 6428 case SIOCGIFCAP: 6429 IOCTL_DEBUGOUT("ioctl: SIOCGIFCAP (Get IF cap)"); 6430 break; 6431 case SIOCGETHERCAP: 6432 IOCTL_DEBUGOUT("ioctl: SIOCGETHERCAP (Get ethercap)"); 6433 break; 6434 case SIOCGLIFADDR: 6435 IOCTL_DEBUGOUT("ioctl: SIOCGLIFADDR (Get Interface addr)"); 6436 break; 6437 case SIOCZIFDATA: 6438 IOCTL_DEBUGOUT("ioctl: SIOCZIFDATA (Zero counter)"); 6439 hw->mac.ops.clear_hw_cntrs(hw); 6440 ixgbe_clear_evcnt(adapter); 6441 break; 6442 case SIOCAIFADDR: 6443 IOCTL_DEBUGOUT("ioctl: SIOCAIFADDR (add/chg IF alias)"); 6444 break; 6445 #endif 6446 default: 6447 IOCTL_DEBUGOUT1("ioctl: UNKNOWN (0x%X)", (int)command); 6448 break; 6449 } 6450 6451 switch (command) { 6452 case SIOCGI2C: 6453 { 6454 struct ixgbe_i2c_req i2c; 6455 6456 IOCTL_DEBUGOUT("ioctl: SIOCGI2C (Get I2C Data)"); 6457 error = copyin(ifr->ifr_data, &i2c, sizeof(i2c)); 6458 if (error != 0) 6459 break; 6460 if (i2c.dev_addr != 0xA0 && i2c.dev_addr != 0xA2) { 6461 error = EINVAL; 6462 break; 6463 } 6464 if (i2c.len > sizeof(i2c.data)) { 6465 error = EINVAL; 6466 break; 6467 } 6468 6469 hw->phy.ops.read_i2c_byte(hw, i2c.offset, 6470 i2c.dev_addr, i2c.data); 6471 error = copyout(&i2c, ifr->ifr_data, sizeof(i2c)); 6472 break; 6473 } 6474 case SIOCSIFCAP: 6475 /* Layer-4 Rx checksum offload has to be turned on and 6476 * off as a unit. 6477 */ 6478 l4csum_en = ifcr->ifcr_capenable & l4csum; 6479 if (l4csum_en != l4csum && l4csum_en != 0) 6480 return EINVAL; 6481 /*FALLTHROUGH*/ 6482 case SIOCADDMULTI: 6483 case SIOCDELMULTI: 6484 case SIOCSIFFLAGS: 6485 case SIOCSIFMTU: 6486 default: 6487 if ((error = ether_ioctl(ifp, command, data)) != ENETRESET) 6488 return error; 6489 if ((ifp->if_flags & IFF_RUNNING) == 0) 6490 ; 6491 else if (command == SIOCSIFCAP || command == SIOCSIFMTU) { 6492 IXGBE_CORE_LOCK(adapter); 6493 if ((ifp->if_flags & IFF_RUNNING) != 0) 6494 ixgbe_init_locked(adapter); 6495 ixgbe_recalculate_max_frame(adapter); 6496 IXGBE_CORE_UNLOCK(adapter); 6497 } else if (command == SIOCADDMULTI || command == SIOCDELMULTI) { 6498 /* 6499 * Multicast list has changed; set the hardware filter 6500 * accordingly. 6501 */ 6502 IXGBE_CORE_LOCK(adapter); 6503 ixgbe_disable_intr(adapter); 6504 ixgbe_set_rxfilter(adapter); 6505 ixgbe_enable_intr(adapter); 6506 IXGBE_CORE_UNLOCK(adapter); 6507 } 6508 return 0; 6509 } 6510 6511 return error; 6512 } /* ixgbe_ioctl */ 6513 6514 /************************************************************************ 6515 * ixgbe_check_fan_failure 6516 ************************************************************************/ 6517 static void 6518 ixgbe_check_fan_failure(struct adapter *adapter, u32 reg, bool in_interrupt) 6519 { 6520 u32 mask; 6521 6522 mask = (in_interrupt) ? IXGBE_EICR_GPI_SDP1_BY_MAC(&adapter->hw) : 6523 IXGBE_ESDP_SDP1; 6524 6525 if (reg & mask) 6526 device_printf(adapter->dev, "\nCRITICAL: FAN FAILURE!! REPLACE IMMEDIATELY!!\n"); 6527 } /* ixgbe_check_fan_failure */ 6528 6529 /************************************************************************ 6530 * ixgbe_handle_que 6531 ************************************************************************/ 6532 static void 6533 ixgbe_handle_que(void *context) 6534 { 6535 struct ix_queue *que = context; 6536 struct adapter *adapter = que->adapter; 6537 struct tx_ring *txr = que->txr; 6538 struct ifnet *ifp = adapter->ifp; 6539 bool more = false; 6540 6541 que->handleq.ev_count++; 6542 6543 if (ifp->if_flags & IFF_RUNNING) { 6544 more = ixgbe_rxeof(que); 6545 IXGBE_TX_LOCK(txr); 6546 more |= ixgbe_txeof(txr); 6547 if (!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX)) 6548 if (!ixgbe_mq_ring_empty(ifp, txr->txr_interq)) 6549 ixgbe_mq_start_locked(ifp, txr); 6550 /* Only for queue 0 */ 6551 /* NetBSD still needs this for CBQ */ 6552 if ((&adapter->queues[0] == que) 6553 && (!ixgbe_legacy_ring_empty(ifp, NULL))) 6554 ixgbe_legacy_start_locked(ifp, txr); 6555 IXGBE_TX_UNLOCK(txr); 6556 } 6557 6558 if (more) { 6559 que->req.ev_count++; 6560 ixgbe_sched_handle_que(adapter, que); 6561 } else if (que->res != NULL) { 6562 /* Re-enable this interrupt */ 6563 ixgbe_enable_queue(adapter, que->msix); 6564 } else 6565 ixgbe_enable_intr(adapter); 6566 6567 return; 6568 } /* ixgbe_handle_que */ 6569 6570 /************************************************************************ 6571 * ixgbe_handle_que_work 6572 ************************************************************************/ 6573 static void 6574 ixgbe_handle_que_work(struct work *wk, void *context) 6575 { 6576 struct ix_queue *que = container_of(wk, struct ix_queue, wq_cookie); 6577 6578 /* 6579 * "enqueued flag" is not required here. 6580 * See ixgbe_msix_que(). 6581 */ 6582 ixgbe_handle_que(que); 6583 } 6584 6585 /************************************************************************ 6586 * ixgbe_allocate_legacy - Setup the Legacy or MSI Interrupt handler 6587 ************************************************************************/ 6588 static int 6589 ixgbe_allocate_legacy(struct adapter *adapter, 6590 const struct pci_attach_args *pa) 6591 { 6592 device_t dev = adapter->dev; 6593 struct ix_queue *que = adapter->queues; 6594 struct tx_ring *txr = adapter->tx_rings; 6595 int counts[PCI_INTR_TYPE_SIZE]; 6596 pci_intr_type_t intr_type, max_type; 6597 char intrbuf[PCI_INTRSTR_LEN]; 6598 char wqname[MAXCOMLEN]; 6599 const char *intrstr = NULL; 6600 int defertx_error = 0, error; 6601 6602 /* We allocate a single interrupt resource */ 6603 max_type = PCI_INTR_TYPE_MSI; 6604 counts[PCI_INTR_TYPE_MSIX] = 0; 6605 counts[PCI_INTR_TYPE_MSI] = 6606 (adapter->feat_en & IXGBE_FEATURE_MSI) ? 1 : 0; 6607 /* Check not feat_en but feat_cap to fallback to INTx */ 6608 counts[PCI_INTR_TYPE_INTX] = 6609 (adapter->feat_cap & IXGBE_FEATURE_LEGACY_IRQ) ? 1 : 0; 6610 6611 alloc_retry: 6612 if (pci_intr_alloc(pa, &adapter->osdep.intrs, counts, max_type) != 0) { 6613 aprint_error_dev(dev, "couldn't alloc interrupt\n"); 6614 return ENXIO; 6615 } 6616 adapter->osdep.nintrs = 1; 6617 intrstr = pci_intr_string(adapter->osdep.pc, adapter->osdep.intrs[0], 6618 intrbuf, sizeof(intrbuf)); 6619 adapter->osdep.ihs[0] = pci_intr_establish_xname(adapter->osdep.pc, 6620 adapter->osdep.intrs[0], IPL_NET, ixgbe_legacy_irq, que, 6621 device_xname(dev)); 6622 intr_type = pci_intr_type(adapter->osdep.pc, adapter->osdep.intrs[0]); 6623 if (adapter->osdep.ihs[0] == NULL) { 6624 aprint_error_dev(dev,"unable to establish %s\n", 6625 (intr_type == PCI_INTR_TYPE_MSI) ? "MSI" : "INTx"); 6626 pci_intr_release(adapter->osdep.pc, adapter->osdep.intrs, 1); 6627 adapter->osdep.intrs = NULL; 6628 switch (intr_type) { 6629 case PCI_INTR_TYPE_MSI: 6630 /* The next try is for INTx: Disable MSI */ 6631 max_type = PCI_INTR_TYPE_INTX; 6632 counts[PCI_INTR_TYPE_INTX] = 1; 6633 adapter->feat_en &= ~IXGBE_FEATURE_MSI; 6634 if (adapter->feat_cap & IXGBE_FEATURE_LEGACY_IRQ) { 6635 adapter->feat_en |= IXGBE_FEATURE_LEGACY_IRQ; 6636 goto alloc_retry; 6637 } else 6638 break; 6639 case PCI_INTR_TYPE_INTX: 6640 default: 6641 /* See below */ 6642 break; 6643 } 6644 } 6645 if (intr_type == PCI_INTR_TYPE_INTX) { 6646 adapter->feat_en &= ~IXGBE_FEATURE_MSI; 6647 adapter->feat_en |= IXGBE_FEATURE_LEGACY_IRQ; 6648 } 6649 if (adapter->osdep.ihs[0] == NULL) { 6650 aprint_error_dev(dev, 6651 "couldn't establish interrupt%s%s\n", 6652 intrstr ? " at " : "", intrstr ? intrstr : ""); 6653 pci_intr_release(adapter->osdep.pc, adapter->osdep.intrs, 1); 6654 adapter->osdep.intrs = NULL; 6655 return ENXIO; 6656 } 6657 aprint_normal_dev(dev, "interrupting at %s\n", intrstr); 6658 /* 6659 * Try allocating a fast interrupt and the associated deferred 6660 * processing contexts. 6661 */ 6662 if (!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX)) { 6663 txr->txr_si = 6664 softint_establish(SOFTINT_NET | IXGBE_SOFTINT_FLAGS, 6665 ixgbe_deferred_mq_start, txr); 6666 6667 snprintf(wqname, sizeof(wqname), "%sdeferTx", device_xname(dev)); 6668 defertx_error = workqueue_create(&adapter->txr_wq, wqname, 6669 ixgbe_deferred_mq_start_work, adapter, IXGBE_WORKQUEUE_PRI, 6670 IPL_NET, IXGBE_WORKQUEUE_FLAGS); 6671 adapter->txr_wq_enqueued = percpu_alloc(sizeof(u_int)); 6672 } 6673 que->que_si = softint_establish(SOFTINT_NET | IXGBE_SOFTINT_FLAGS, 6674 ixgbe_handle_que, que); 6675 snprintf(wqname, sizeof(wqname), "%sTxRx", device_xname(dev)); 6676 error = workqueue_create(&adapter->que_wq, wqname, 6677 ixgbe_handle_que_work, adapter, IXGBE_WORKQUEUE_PRI, IPL_NET, 6678 IXGBE_WORKQUEUE_FLAGS); 6679 6680 if ((!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX) 6681 && ((txr->txr_si == NULL) || defertx_error != 0)) 6682 || (que->que_si == NULL) || error != 0) { 6683 aprint_error_dev(dev, 6684 "could not establish software interrupts\n"); 6685 6686 return ENXIO; 6687 } 6688 /* For simplicity in the handlers */ 6689 adapter->active_queues = IXGBE_EIMS_ENABLE_MASK; 6690 6691 return (0); 6692 } /* ixgbe_allocate_legacy */ 6693 6694 /************************************************************************ 6695 * ixgbe_allocate_msix - Setup MSI-X Interrupt resources and handlers 6696 ************************************************************************/ 6697 static int 6698 ixgbe_allocate_msix(struct adapter *adapter, const struct pci_attach_args *pa) 6699 { 6700 device_t dev = adapter->dev; 6701 struct ix_queue *que = adapter->queues; 6702 struct tx_ring *txr = adapter->tx_rings; 6703 pci_chipset_tag_t pc; 6704 char intrbuf[PCI_INTRSTR_LEN]; 6705 char intr_xname[32]; 6706 char wqname[MAXCOMLEN]; 6707 const char *intrstr = NULL; 6708 int error, vector = 0; 6709 int cpu_id = 0; 6710 kcpuset_t *affinity; 6711 #ifdef RSS 6712 unsigned int rss_buckets = 0; 6713 kcpuset_t cpu_mask; 6714 #endif 6715 6716 pc = adapter->osdep.pc; 6717 #ifdef RSS 6718 /* 6719 * If we're doing RSS, the number of queues needs to 6720 * match the number of RSS buckets that are configured. 6721 * 6722 * + If there's more queues than RSS buckets, we'll end 6723 * up with queues that get no traffic. 6724 * 6725 * + If there's more RSS buckets than queues, we'll end 6726 * up having multiple RSS buckets map to the same queue, 6727 * so there'll be some contention. 6728 */ 6729 rss_buckets = rss_getnumbuckets(); 6730 if ((adapter->feat_en & IXGBE_FEATURE_RSS) && 6731 (adapter->num_queues != rss_buckets)) { 6732 device_printf(dev, 6733 "%s: number of queues (%d) != number of RSS buckets (%d)" 6734 "; performance will be impacted.\n", 6735 __func__, adapter->num_queues, rss_buckets); 6736 } 6737 #endif 6738 6739 adapter->osdep.nintrs = adapter->num_queues + 1; 6740 if (pci_msix_alloc_exact(pa, &adapter->osdep.intrs, 6741 adapter->osdep.nintrs) != 0) { 6742 aprint_error_dev(dev, 6743 "failed to allocate MSI-X interrupt\n"); 6744 return (ENXIO); 6745 } 6746 6747 kcpuset_create(&affinity, false); 6748 for (int i = 0; i < adapter->num_queues; i++, vector++, que++, txr++) { 6749 snprintf(intr_xname, sizeof(intr_xname), "%s TXRX%d", 6750 device_xname(dev), i); 6751 intrstr = pci_intr_string(pc, adapter->osdep.intrs[i], intrbuf, 6752 sizeof(intrbuf)); 6753 #ifdef IXGBE_MPSAFE 6754 pci_intr_setattr(pc, &adapter->osdep.intrs[i], PCI_INTR_MPSAFE, 6755 true); 6756 #endif 6757 /* Set the handler function */ 6758 que->res = adapter->osdep.ihs[i] = pci_intr_establish_xname(pc, 6759 adapter->osdep.intrs[i], IPL_NET, ixgbe_msix_que, que, 6760 intr_xname); 6761 if (que->res == NULL) { 6762 aprint_error_dev(dev, 6763 "Failed to register QUE handler\n"); 6764 error = ENXIO; 6765 goto err_out; 6766 } 6767 que->msix = vector; 6768 adapter->active_queues |= 1ULL << que->msix; 6769 6770 if (adapter->feat_en & IXGBE_FEATURE_RSS) { 6771 #ifdef RSS 6772 /* 6773 * The queue ID is used as the RSS layer bucket ID. 6774 * We look up the queue ID -> RSS CPU ID and select 6775 * that. 6776 */ 6777 cpu_id = rss_getcpu(i % rss_getnumbuckets()); 6778 CPU_SETOF(cpu_id, &cpu_mask); 6779 #endif 6780 } else { 6781 /* 6782 * Bind the MSI-X vector, and thus the 6783 * rings to the corresponding CPU. 6784 * 6785 * This just happens to match the default RSS 6786 * round-robin bucket -> queue -> CPU allocation. 6787 */ 6788 if (adapter->num_queues > 1) 6789 cpu_id = i; 6790 } 6791 /* Round-robin affinity */ 6792 kcpuset_zero(affinity); 6793 kcpuset_set(affinity, cpu_id % ncpu); 6794 error = interrupt_distribute(adapter->osdep.ihs[i], affinity, 6795 NULL); 6796 aprint_normal_dev(dev, "for TX/RX, interrupting at %s", 6797 intrstr); 6798 if (error == 0) { 6799 #if 1 /* def IXGBE_DEBUG */ 6800 #ifdef RSS 6801 aprintf_normal(", bound RSS bucket %d to CPU %d", i, 6802 cpu_id % ncpu); 6803 #else 6804 aprint_normal(", bound queue %d to cpu %d", i, 6805 cpu_id % ncpu); 6806 #endif 6807 #endif /* IXGBE_DEBUG */ 6808 } 6809 aprint_normal("\n"); 6810 6811 if (!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX)) { 6812 txr->txr_si = softint_establish( 6813 SOFTINT_NET | IXGBE_SOFTINT_FLAGS, 6814 ixgbe_deferred_mq_start, txr); 6815 if (txr->txr_si == NULL) { 6816 aprint_error_dev(dev, 6817 "couldn't establish software interrupt\n"); 6818 error = ENXIO; 6819 goto err_out; 6820 } 6821 } 6822 que->que_si 6823 = softint_establish(SOFTINT_NET | IXGBE_SOFTINT_FLAGS, 6824 ixgbe_handle_que, que); 6825 if (que->que_si == NULL) { 6826 aprint_error_dev(dev, 6827 "couldn't establish software interrupt\n"); 6828 error = ENXIO; 6829 goto err_out; 6830 } 6831 } 6832 snprintf(wqname, sizeof(wqname), "%sdeferTx", device_xname(dev)); 6833 error = workqueue_create(&adapter->txr_wq, wqname, 6834 ixgbe_deferred_mq_start_work, adapter, IXGBE_WORKQUEUE_PRI, IPL_NET, 6835 IXGBE_WORKQUEUE_FLAGS); 6836 if (error) { 6837 aprint_error_dev(dev, "couldn't create workqueue for deferred Tx\n"); 6838 goto err_out; 6839 } 6840 adapter->txr_wq_enqueued = percpu_alloc(sizeof(u_int)); 6841 6842 snprintf(wqname, sizeof(wqname), "%sTxRx", device_xname(dev)); 6843 error = workqueue_create(&adapter->que_wq, wqname, 6844 ixgbe_handle_que_work, adapter, IXGBE_WORKQUEUE_PRI, IPL_NET, 6845 IXGBE_WORKQUEUE_FLAGS); 6846 if (error) { 6847 aprint_error_dev(dev, "couldn't create workqueue for Tx/Rx\n"); 6848 goto err_out; 6849 } 6850 6851 /* and Link */ 6852 cpu_id++; 6853 snprintf(intr_xname, sizeof(intr_xname), "%s link", device_xname(dev)); 6854 adapter->vector = vector; 6855 intrstr = pci_intr_string(pc, adapter->osdep.intrs[vector], intrbuf, 6856 sizeof(intrbuf)); 6857 #ifdef IXGBE_MPSAFE 6858 pci_intr_setattr(pc, &adapter->osdep.intrs[vector], PCI_INTR_MPSAFE, 6859 true); 6860 #endif 6861 /* Set the link handler function */ 6862 adapter->osdep.ihs[vector] = pci_intr_establish_xname(pc, 6863 adapter->osdep.intrs[vector], IPL_NET, ixgbe_msix_admin, adapter, 6864 intr_xname); 6865 if (adapter->osdep.ihs[vector] == NULL) { 6866 aprint_error_dev(dev, "Failed to register LINK handler\n"); 6867 error = ENXIO; 6868 goto err_out; 6869 } 6870 /* Round-robin affinity */ 6871 kcpuset_zero(affinity); 6872 kcpuset_set(affinity, cpu_id % ncpu); 6873 error = interrupt_distribute(adapter->osdep.ihs[vector], affinity, 6874 NULL); 6875 6876 aprint_normal_dev(dev, 6877 "for link, interrupting at %s", intrstr); 6878 if (error == 0) 6879 aprint_normal(", affinity to cpu %d\n", cpu_id % ncpu); 6880 else 6881 aprint_normal("\n"); 6882 6883 kcpuset_destroy(affinity); 6884 aprint_normal_dev(dev, 6885 "Using MSI-X interrupts with %d vectors\n", vector + 1); 6886 6887 return (0); 6888 6889 err_out: 6890 kcpuset_destroy(affinity); 6891 ixgbe_free_deferred_handlers(adapter); 6892 ixgbe_free_pciintr_resources(adapter); 6893 return (error); 6894 } /* ixgbe_allocate_msix */ 6895 6896 /************************************************************************ 6897 * ixgbe_configure_interrupts 6898 * 6899 * Setup MSI-X, MSI, or legacy interrupts (in that order). 6900 * This will also depend on user settings. 6901 ************************************************************************/ 6902 static int 6903 ixgbe_configure_interrupts(struct adapter *adapter) 6904 { 6905 device_t dev = adapter->dev; 6906 struct ixgbe_mac_info *mac = &adapter->hw.mac; 6907 int want, queues, msgs; 6908 6909 /* Default to 1 queue if MSI-X setup fails */ 6910 adapter->num_queues = 1; 6911 6912 /* Override by tuneable */ 6913 if (!(adapter->feat_cap & IXGBE_FEATURE_MSIX)) 6914 goto msi; 6915 6916 /* 6917 * NetBSD only: Use single vector MSI when number of CPU is 1 to save 6918 * interrupt slot. 6919 */ 6920 if (ncpu == 1) 6921 goto msi; 6922 6923 /* First try MSI-X */ 6924 msgs = pci_msix_count(adapter->osdep.pc, adapter->osdep.tag); 6925 msgs = MIN(msgs, IXG_MAX_NINTR); 6926 if (msgs < 2) 6927 goto msi; 6928 6929 adapter->msix_mem = (void *)1; /* XXX */ 6930 6931 /* Figure out a reasonable auto config value */ 6932 queues = (ncpu > (msgs - 1)) ? (msgs - 1) : ncpu; 6933 6934 #ifdef RSS 6935 /* If we're doing RSS, clamp at the number of RSS buckets */ 6936 if (adapter->feat_en & IXGBE_FEATURE_RSS) 6937 queues = uimin(queues, rss_getnumbuckets()); 6938 #endif 6939 if (ixgbe_num_queues > queues) { 6940 aprint_error_dev(adapter->dev, "ixgbe_num_queues (%d) is too large, using reduced amount (%d).\n", ixgbe_num_queues, queues); 6941 ixgbe_num_queues = queues; 6942 } 6943 6944 if (ixgbe_num_queues != 0) 6945 queues = ixgbe_num_queues; 6946 else 6947 queues = uimin(queues, 6948 uimin(mac->max_tx_queues, mac->max_rx_queues)); 6949 6950 /* reflect correct sysctl value */ 6951 ixgbe_num_queues = queues; 6952 6953 /* 6954 * Want one vector (RX/TX pair) per queue 6955 * plus an additional for Link. 6956 */ 6957 want = queues + 1; 6958 if (msgs >= want) 6959 msgs = want; 6960 else { 6961 aprint_error_dev(dev, "MSI-X Configuration Problem, " 6962 "%d vectors but %d queues wanted!\n", 6963 msgs, want); 6964 goto msi; 6965 } 6966 adapter->num_queues = queues; 6967 adapter->feat_en |= IXGBE_FEATURE_MSIX; 6968 return (0); 6969 6970 /* 6971 * MSI-X allocation failed or provided us with 6972 * less vectors than needed. Free MSI-X resources 6973 * and we'll try enabling MSI. 6974 */ 6975 msi: 6976 /* Without MSI-X, some features are no longer supported */ 6977 adapter->feat_cap &= ~IXGBE_FEATURE_RSS; 6978 adapter->feat_en &= ~IXGBE_FEATURE_RSS; 6979 adapter->feat_cap &= ~IXGBE_FEATURE_SRIOV; 6980 adapter->feat_en &= ~IXGBE_FEATURE_SRIOV; 6981 6982 msgs = pci_msi_count(adapter->osdep.pc, adapter->osdep.tag); 6983 adapter->msix_mem = NULL; /* XXX */ 6984 if (msgs > 1) 6985 msgs = 1; 6986 if (msgs != 0) { 6987 msgs = 1; 6988 adapter->feat_en |= IXGBE_FEATURE_MSI; 6989 return (0); 6990 } 6991 6992 if (!(adapter->feat_cap & IXGBE_FEATURE_LEGACY_IRQ)) { 6993 aprint_error_dev(dev, 6994 "Device does not support legacy interrupts.\n"); 6995 return 1; 6996 } 6997 6998 adapter->feat_en |= IXGBE_FEATURE_LEGACY_IRQ; 6999 7000 return (0); 7001 } /* ixgbe_configure_interrupts */ 7002 7003 7004 /************************************************************************ 7005 * ixgbe_handle_link - Tasklet for MSI-X Link interrupts 7006 * 7007 * Done outside of interrupt context since the driver might sleep 7008 ************************************************************************/ 7009 static void 7010 ixgbe_handle_link(void *context) 7011 { 7012 struct adapter *adapter = context; 7013 struct ixgbe_hw *hw = &adapter->hw; 7014 7015 KASSERT(mutex_owned(&adapter->core_mtx)); 7016 7017 ++adapter->link_workev.ev_count; 7018 ixgbe_check_link(hw, &adapter->link_speed, &adapter->link_up, 0); 7019 ixgbe_update_link_status(adapter); 7020 7021 /* Re-enable link interrupts */ 7022 IXGBE_WRITE_REG(hw, IXGBE_EIMS, IXGBE_EIMS_LSC); 7023 } /* ixgbe_handle_link */ 7024 7025 #if 0 7026 /************************************************************************ 7027 * ixgbe_rearm_queues 7028 ************************************************************************/ 7029 static __inline void 7030 ixgbe_rearm_queues(struct adapter *adapter, u64 queues) 7031 { 7032 u32 mask; 7033 7034 switch (adapter->hw.mac.type) { 7035 case ixgbe_mac_82598EB: 7036 mask = (IXGBE_EIMS_RTX_QUEUE & queues); 7037 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS, mask); 7038 break; 7039 case ixgbe_mac_82599EB: 7040 case ixgbe_mac_X540: 7041 case ixgbe_mac_X550: 7042 case ixgbe_mac_X550EM_x: 7043 case ixgbe_mac_X550EM_a: 7044 mask = (queues & 0xFFFFFFFF); 7045 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS_EX(0), mask); 7046 mask = (queues >> 32); 7047 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS_EX(1), mask); 7048 break; 7049 default: 7050 break; 7051 } 7052 } /* ixgbe_rearm_queues */ 7053 #endif 7054
Indexes created Mon Sep 29 21:09:56 GMT 2025