ixgbe.c revision 1.238
1 /* $NetBSD: ixgbe.c,v 1.238 2020/08/17 07:59:06 msaitoh Exp $ */ 2 3 /****************************************************************************** 4 5 Copyright (c) 2001-2017, Intel Corporation 6 All rights reserved. 7 8 Redistribution and use in source and binary forms, with or without 9 modification, are permitted provided that the following conditions are met: 10 11 1. Redistributions of source code must retain the above copyright notice, 12 this list of conditions and the following disclaimer. 13 14 2. Redistributions in binary form must reproduce the above copyright 15 notice, this list of conditions and the following disclaimer in the 16 documentation and/or other materials provided with the distribution. 17 18 3. Neither the name of the Intel Corporation nor the names of its 19 contributors may be used to endorse or promote products derived from 20 this software without specific prior written permission. 21 22 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 23 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 26 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32 POSSIBILITY OF SUCH DAMAGE. 33 34 ******************************************************************************/ 35 /*$FreeBSD: head/sys/dev/ixgbe/if_ix.c 331224 2018-03-19 20:55:05Z erj $*/ 36 37 /* 38 * Copyright (c) 2011 The NetBSD Foundation, Inc. 39 * All rights reserved. 40 * 41 * This code is derived from software contributed to The NetBSD Foundation 42 * by Coyote Point Systems, Inc. 43 * 44 * Redistribution and use in source and binary forms, with or without 45 * modification, are permitted provided that the following conditions 46 * are met: 47 * 1. Redistributions of source code must retain the above copyright 48 * notice, this list of conditions and the following disclaimer. 49 * 2. Redistributions in binary form must reproduce the above copyright 50 * notice, this list of conditions and the following disclaimer in the 51 * documentation and/or other materials provided with the distribution. 52 * 53 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 54 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 55 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 56 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 57 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 58 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 59 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 60 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 61 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 62 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 63 * POSSIBILITY OF SUCH DAMAGE. 64 */ 65 66 #ifdef _KERNEL_OPT 67 #include "opt_inet.h" 68 #include "opt_inet6.h" 69 #include "opt_net_mpsafe.h" 70 #endif 71 72 #include "ixgbe.h" 73 #include "ixgbe_sriov.h" 74 #include "vlan.h" 75 76 #include <sys/cprng.h> 77 #include <dev/mii/mii.h> 78 #include <dev/mii/miivar.h> 79 80 /************************************************************************ 81 * Driver version 82 ************************************************************************/ 83 static const char ixgbe_driver_version[] = "4.0.1-k"; 84 /* XXX NetBSD: + 3.3.10 */ 85 86 /************************************************************************ 87 * PCI Device ID Table 88 * 89 * Used by probe to select devices to load on 90 * Last field stores an index into ixgbe_strings 91 * Last entry must be all 0s 92 * 93 * { Vendor ID, Device ID, SubVendor ID, SubDevice ID, String Index } 94 ************************************************************************/ 95 static const ixgbe_vendor_info_t ixgbe_vendor_info_array[] = 96 { 97 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598AF_DUAL_PORT, 0, 0, 0}, 98 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598AF_SINGLE_PORT, 0, 0, 0}, 99 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598EB_CX4, 0, 0, 0}, 100 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598AT, 0, 0, 0}, 101 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598AT2, 0, 0, 0}, 102 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598, 0, 0, 0}, 103 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598_BX, 0, 0, 0}, 104 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598_DA_DUAL_PORT, 0, 0, 0}, 105 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598_CX4_DUAL_PORT, 0, 0, 0}, 106 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598EB_XF_LR, 0, 0, 0}, 107 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598_SR_DUAL_PORT_EM, 0, 0, 0}, 108 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598EB_SFP_LOM, 0, 0, 0}, 109 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_KR, 0, 0, 0}, 110 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_KX4, 0, 0, 0}, 111 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_KX4_MEZZ, 0, 0, 0}, 112 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_SFP, 0, 0, 0}, 113 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_SFP_EM, 0, 0, 0}, 114 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_XAUI_LOM, 0, 0, 0}, 115 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_CX4, 0, 0, 0}, 116 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_T3_LOM, 0, 0, 0}, 117 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_COMBO_BACKPLANE, 0, 0, 0}, 118 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_BACKPLANE_FCOE, 0, 0, 0}, 119 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_SFP_SF2, 0, 0, 0}, 120 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_SFP_FCOE, 0, 0, 0}, 121 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599EN_SFP, 0, 0, 0}, 122 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_SFP_SF_QP, 0, 0, 0}, 123 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_QSFP_SF_QP, 0, 0, 0}, 124 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X540T, 0, 0, 0}, 125 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X540T1, 0, 0, 0}, 126 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550T, 0, 0, 0}, 127 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550T1, 0, 0, 0}, 128 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_KR, 0, 0, 0}, 129 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_KX4, 0, 0, 0}, 130 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_10G_T, 0, 0, 0}, 131 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_1G_T, 0, 0, 0}, 132 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_SFP, 0, 0, 0}, 133 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_XFI, 0, 0, 0}, 134 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_KR, 0, 0, 0}, 135 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_KR_L, 0, 0, 0}, 136 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_QSFP, 0, 0, 0}, 137 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_QSFP_N, 0, 0, 0}, 138 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_SFP, 0, 0, 0}, 139 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_SFP_N, 0, 0, 0}, 140 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_SGMII, 0, 0, 0}, 141 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_SGMII_L, 0, 0, 0}, 142 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_10G_T, 0, 0, 0}, 143 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_1G_T, 0, 0, 0}, 144 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_1G_T_L, 0, 0, 0}, 145 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X540_BYPASS, 0, 0, 0}, 146 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_BYPASS, 0, 0, 0}, 147 /* required last entry */ 148 {0, 0, 0, 0, 0} 149 }; 150 151 /************************************************************************ 152 * Table of branding strings 153 ************************************************************************/ 154 static const char *ixgbe_strings[] = { 155 "Intel(R) PRO/10GbE PCI-Express Network Driver" 156 }; 157 158 /************************************************************************ 159 * Function prototypes 160 ************************************************************************/ 161 static int ixgbe_probe(device_t, cfdata_t, void *); 162 static void ixgbe_attach(device_t, device_t, void *); 163 static int ixgbe_detach(device_t, int); 164 #if 0 165 static int ixgbe_shutdown(device_t); 166 #endif 167 static bool ixgbe_suspend(device_t, const pmf_qual_t *); 168 static bool ixgbe_resume(device_t, const pmf_qual_t *); 169 static int ixgbe_ifflags_cb(struct ethercom *); 170 static int ixgbe_ioctl(struct ifnet *, u_long, void *); 171 static int ixgbe_init(struct ifnet *); 172 static void ixgbe_init_locked(struct adapter *); 173 static void ixgbe_ifstop(struct ifnet *, int); 174 static void ixgbe_stop(void *); 175 static void ixgbe_init_device_features(struct adapter *); 176 static void ixgbe_check_fan_failure(struct adapter *, u32, bool); 177 static void ixgbe_add_media_types(struct adapter *); 178 static void ixgbe_media_status(struct ifnet *, struct ifmediareq *); 179 static int ixgbe_media_change(struct ifnet *); 180 static int ixgbe_allocate_pci_resources(struct adapter *, 181 const struct pci_attach_args *); 182 static void ixgbe_free_workqueue(struct adapter *); 183 static void ixgbe_get_slot_info(struct adapter *); 184 static int ixgbe_allocate_msix(struct adapter *, 185 const struct pci_attach_args *); 186 static int ixgbe_allocate_legacy(struct adapter *, 187 const struct pci_attach_args *); 188 static int ixgbe_configure_interrupts(struct adapter *); 189 static void ixgbe_free_pciintr_resources(struct adapter *); 190 static void ixgbe_free_pci_resources(struct adapter *); 191 static void ixgbe_local_timer(void *); 192 static void ixgbe_handle_timer(struct work *, void *); 193 static void ixgbe_recovery_mode_timer(void *); 194 static void ixgbe_handle_recovery_mode_timer(struct work *, void *); 195 static int ixgbe_setup_interface(device_t, struct adapter *); 196 static void ixgbe_config_gpie(struct adapter *); 197 static void ixgbe_config_dmac(struct adapter *); 198 static void ixgbe_config_delay_values(struct adapter *); 199 static void ixgbe_schedule_admin_tasklet(struct adapter *); 200 static void ixgbe_config_link(struct adapter *); 201 static void ixgbe_check_wol_support(struct adapter *); 202 static int ixgbe_setup_low_power_mode(struct adapter *); 203 #if 0 204 static void ixgbe_rearm_queues(struct adapter *, u64); 205 #endif 206 207 static void ixgbe_initialize_transmit_units(struct adapter *); 208 static void ixgbe_initialize_receive_units(struct adapter *); 209 static void ixgbe_enable_rx_drop(struct adapter *); 210 static void ixgbe_disable_rx_drop(struct adapter *); 211 static void ixgbe_initialize_rss_mapping(struct adapter *); 212 213 static void ixgbe_enable_intr(struct adapter *); 214 static void ixgbe_disable_intr(struct adapter *); 215 static void ixgbe_update_stats_counters(struct adapter *); 216 static void ixgbe_set_rxfilter(struct adapter *); 217 static void ixgbe_update_link_status(struct adapter *); 218 static void ixgbe_set_ivar(struct adapter *, u8, u8, s8); 219 static void ixgbe_configure_ivars(struct adapter *); 220 static u8 * ixgbe_mc_array_itr(struct ixgbe_hw *, u8 **, u32 *); 221 static void ixgbe_eitr_write(struct adapter *, uint32_t, uint32_t); 222 223 static void ixgbe_setup_vlan_hw_tagging(struct adapter *); 224 static void ixgbe_setup_vlan_hw_support(struct adapter *); 225 static int ixgbe_vlan_cb(struct ethercom *, uint16_t, bool); 226 static int ixgbe_register_vlan(struct adapter *, u16); 227 static int ixgbe_unregister_vlan(struct adapter *, u16); 228 229 static void ixgbe_add_device_sysctls(struct adapter *); 230 static void ixgbe_add_hw_stats(struct adapter *); 231 static void ixgbe_clear_evcnt(struct adapter *); 232 static int ixgbe_set_flowcntl(struct adapter *, int); 233 static int ixgbe_set_advertise(struct adapter *, int); 234 static int ixgbe_get_advertise(struct adapter *); 235 236 /* Sysctl handlers */ 237 static void ixgbe_set_sysctl_value(struct adapter *, const char *, 238 const char *, int *, int); 239 static int ixgbe_sysctl_flowcntl(SYSCTLFN_PROTO); 240 static int ixgbe_sysctl_advertise(SYSCTLFN_PROTO); 241 static int ixgbe_sysctl_interrupt_rate_handler(SYSCTLFN_PROTO); 242 static int ixgbe_sysctl_dmac(SYSCTLFN_PROTO); 243 static int ixgbe_sysctl_phy_temp(SYSCTLFN_PROTO); 244 static int ixgbe_sysctl_phy_overtemp_occurred(SYSCTLFN_PROTO); 245 #ifdef IXGBE_DEBUG 246 static int ixgbe_sysctl_power_state(SYSCTLFN_PROTO); 247 static int ixgbe_sysctl_print_rss_config(SYSCTLFN_PROTO); 248 #endif 249 static int ixgbe_sysctl_next_to_check_handler(SYSCTLFN_PROTO); 250 static int ixgbe_sysctl_rdh_handler(SYSCTLFN_PROTO); 251 static int ixgbe_sysctl_rdt_handler(SYSCTLFN_PROTO); 252 static int ixgbe_sysctl_tdt_handler(SYSCTLFN_PROTO); 253 static int ixgbe_sysctl_tdh_handler(SYSCTLFN_PROTO); 254 static int ixgbe_sysctl_eee_state(SYSCTLFN_PROTO); 255 static int ixgbe_sysctl_debug(SYSCTLFN_PROTO); 256 static int ixgbe_sysctl_wol_enable(SYSCTLFN_PROTO); 257 static int ixgbe_sysctl_wufc(SYSCTLFN_PROTO); 258 259 /* Support for pluggable optic modules */ 260 static bool ixgbe_sfp_cage_full(struct ixgbe_hw *); 261 262 /* Legacy (single vector) interrupt handler */ 263 static int ixgbe_legacy_irq(void *); 264 265 /* The MSI/MSI-X Interrupt handlers */ 266 static int ixgbe_msix_que(void *); 267 static int ixgbe_msix_admin(void *); 268 269 /* Event handlers running on workqueue */ 270 static void ixgbe_handle_que(void *); 271 static void ixgbe_handle_link(void *); 272 static void ixgbe_handle_msf(void *); 273 static void ixgbe_handle_mod(void *); 274 static void ixgbe_handle_phy(void *); 275 276 /* Deferred workqueue handlers */ 277 static void ixgbe_handle_admin(struct work *, void *); 278 static void ixgbe_handle_que_work(struct work *, void *); 279 280 static const ixgbe_vendor_info_t *ixgbe_lookup(const struct pci_attach_args *); 281 282 /************************************************************************ 283 * NetBSD Device Interface Entry Points 284 ************************************************************************/ 285 CFATTACH_DECL3_NEW(ixg, sizeof(struct adapter), 286 ixgbe_probe, ixgbe_attach, ixgbe_detach, NULL, NULL, NULL, 287 DVF_DETACH_SHUTDOWN); 288 289 #if 0 290 devclass_t ix_devclass; 291 DRIVER_MODULE(ix, pci, ix_driver, ix_devclass, 0, 0); 292 293 MODULE_DEPEND(ix, pci, 1, 1, 1); 294 MODULE_DEPEND(ix, ether, 1, 1, 1); 295 #ifdef DEV_NETMAP 296 MODULE_DEPEND(ix, netmap, 1, 1, 1); 297 #endif 298 #endif 299 300 /* 301 * TUNEABLE PARAMETERS: 302 */ 303 304 /* 305 * AIM: Adaptive Interrupt Moderation 306 * which means that the interrupt rate 307 * is varied over time based on the 308 * traffic for that interrupt vector 309 */ 310 static bool ixgbe_enable_aim = true; 311 #define SYSCTL_INT(_a1, _a2, _a3, _a4, _a5, _a6, _a7) 312 SYSCTL_INT(_hw_ix, OID_AUTO, enable_aim, CTLFLAG_RDTUN, &ixgbe_enable_aim, 0, 313 "Enable adaptive interrupt moderation"); 314 315 static int ixgbe_max_interrupt_rate = (4000000 / IXGBE_LOW_LATENCY); 316 SYSCTL_INT(_hw_ix, OID_AUTO, max_interrupt_rate, CTLFLAG_RDTUN, 317 &ixgbe_max_interrupt_rate, 0, "Maximum interrupts per second"); 318 319 /* How many packets rxeof tries to clean at a time */ 320 static int ixgbe_rx_process_limit = 256; 321 SYSCTL_INT(_hw_ix, OID_AUTO, rx_process_limit, CTLFLAG_RDTUN, 322 &ixgbe_rx_process_limit, 0, "Maximum number of received packets to process at a time, -1 means unlimited"); 323 324 /* How many packets txeof tries to clean at a time */ 325 static int ixgbe_tx_process_limit = 256; 326 SYSCTL_INT(_hw_ix, OID_AUTO, tx_process_limit, CTLFLAG_RDTUN, 327 &ixgbe_tx_process_limit, 0, 328 "Maximum number of sent packets to process at a time, -1 means unlimited"); 329 330 /* Flow control setting, default to full */ 331 static int ixgbe_flow_control = ixgbe_fc_full; 332 SYSCTL_INT(_hw_ix, OID_AUTO, flow_control, CTLFLAG_RDTUN, 333 &ixgbe_flow_control, 0, "Default flow control used for all adapters"); 334 335 /* Which packet processing uses workqueue or softint */ 336 static bool ixgbe_txrx_workqueue = false; 337 338 /* 339 * Smart speed setting, default to on 340 * this only works as a compile option 341 * right now as its during attach, set 342 * this to 'ixgbe_smart_speed_off' to 343 * disable. 344 */ 345 static int ixgbe_smart_speed = ixgbe_smart_speed_on; 346 347 /* 348 * MSI-X should be the default for best performance, 349 * but this allows it to be forced off for testing. 350 */ 351 static int ixgbe_enable_msix = 1; 352 SYSCTL_INT(_hw_ix, OID_AUTO, enable_msix, CTLFLAG_RDTUN, &ixgbe_enable_msix, 0, 353 "Enable MSI-X interrupts"); 354 355 /* 356 * Number of Queues, can be set to 0, 357 * it then autoconfigures based on the 358 * number of cpus with a max of 8. This 359 * can be overridden manually here. 360 */ 361 static int ixgbe_num_queues = 0; 362 SYSCTL_INT(_hw_ix, OID_AUTO, num_queues, CTLFLAG_RDTUN, &ixgbe_num_queues, 0, 363 "Number of queues to configure, 0 indicates autoconfigure"); 364 365 /* 366 * Number of TX descriptors per ring, 367 * setting higher than RX as this seems 368 * the better performing choice. 369 */ 370 static int ixgbe_txd = PERFORM_TXD; 371 SYSCTL_INT(_hw_ix, OID_AUTO, txd, CTLFLAG_RDTUN, &ixgbe_txd, 0, 372 "Number of transmit descriptors per queue"); 373 374 /* Number of RX descriptors per ring */ 375 static int ixgbe_rxd = PERFORM_RXD; 376 SYSCTL_INT(_hw_ix, OID_AUTO, rxd, CTLFLAG_RDTUN, &ixgbe_rxd, 0, 377 "Number of receive descriptors per queue"); 378 379 /* 380 * Defining this on will allow the use 381 * of unsupported SFP+ modules, note that 382 * doing so you are on your own :) 383 */ 384 static int allow_unsupported_sfp = false; 385 #define TUNABLE_INT(__x, __y) 386 TUNABLE_INT("hw.ix.unsupported_sfp", &allow_unsupported_sfp); 387 388 /* 389 * Not sure if Flow Director is fully baked, 390 * so we'll default to turning it off. 391 */ 392 static int ixgbe_enable_fdir = 0; 393 SYSCTL_INT(_hw_ix, OID_AUTO, enable_fdir, CTLFLAG_RDTUN, &ixgbe_enable_fdir, 0, 394 "Enable Flow Director"); 395 396 /* Legacy Transmit (single queue) */ 397 static int ixgbe_enable_legacy_tx = 0; 398 SYSCTL_INT(_hw_ix, OID_AUTO, enable_legacy_tx, CTLFLAG_RDTUN, 399 &ixgbe_enable_legacy_tx, 0, "Enable Legacy TX flow"); 400 401 /* Receive-Side Scaling */ 402 static int ixgbe_enable_rss = 1; 403 SYSCTL_INT(_hw_ix, OID_AUTO, enable_rss, CTLFLAG_RDTUN, &ixgbe_enable_rss, 0, 404 "Enable Receive-Side Scaling (RSS)"); 405 406 #if 0 407 static int (*ixgbe_start_locked)(struct ifnet *, struct tx_ring *); 408 static int (*ixgbe_ring_empty)(struct ifnet *, pcq_t *); 409 #endif 410 411 #ifdef NET_MPSAFE 412 #define IXGBE_MPSAFE 1 413 #define IXGBE_CALLOUT_FLAGS CALLOUT_MPSAFE 414 #define IXGBE_SOFTINT_FLAGS SOFTINT_MPSAFE 415 #define IXGBE_WORKQUEUE_FLAGS WQ_PERCPU | WQ_MPSAFE 416 #define IXGBE_TASKLET_WQ_FLAGS WQ_MPSAFE 417 #else 418 #define IXGBE_CALLOUT_FLAGS 0 419 #define IXGBE_SOFTINT_FLAGS 0 420 #define IXGBE_WORKQUEUE_FLAGS WQ_PERCPU 421 #define IXGBE_TASKLET_WQ_FLAGS 0 422 #endif 423 #define IXGBE_WORKQUEUE_PRI PRI_SOFTNET 424 425 /************************************************************************ 426 * ixgbe_initialize_rss_mapping 427 ************************************************************************/ 428 static void 429 ixgbe_initialize_rss_mapping(struct adapter *adapter) 430 { 431 struct ixgbe_hw *hw = &adapter->hw; 432 u32 reta = 0, mrqc, rss_key[10]; 433 int queue_id, table_size, index_mult; 434 int i, j; 435 u32 rss_hash_config; 436 437 /* force use default RSS key. */ 438 #ifdef __NetBSD__ 439 rss_getkey((uint8_t *) &rss_key); 440 #else 441 if (adapter->feat_en & IXGBE_FEATURE_RSS) { 442 /* Fetch the configured RSS key */ 443 rss_getkey((uint8_t *) &rss_key); 444 } else { 445 /* set up random bits */ 446 cprng_fast(&rss_key, sizeof(rss_key)); 447 } 448 #endif 449 450 /* Set multiplier for RETA setup and table size based on MAC */ 451 index_mult = 0x1; 452 table_size = 128; 453 switch (adapter->hw.mac.type) { 454 case ixgbe_mac_82598EB: 455 index_mult = 0x11; 456 break; 457 case ixgbe_mac_X550: 458 case ixgbe_mac_X550EM_x: 459 case ixgbe_mac_X550EM_a: 460 table_size = 512; 461 break; 462 default: 463 break; 464 } 465 466 /* Set up the redirection table */ 467 for (i = 0, j = 0; i < table_size; i++, j++) { 468 if (j == adapter->num_queues) 469 j = 0; 470 471 if (adapter->feat_en & IXGBE_FEATURE_RSS) { 472 /* 473 * Fetch the RSS bucket id for the given indirection 474 * entry. Cap it at the number of configured buckets 475 * (which is num_queues.) 476 */ 477 queue_id = rss_get_indirection_to_bucket(i); 478 queue_id = queue_id % adapter->num_queues; 479 } else 480 queue_id = (j * index_mult); 481 482 /* 483 * The low 8 bits are for hash value (n+0); 484 * The next 8 bits are for hash value (n+1), etc. 485 */ 486 reta = reta >> 8; 487 reta = reta | (((uint32_t) queue_id) << 24); 488 if ((i & 3) == 3) { 489 if (i < 128) 490 IXGBE_WRITE_REG(hw, IXGBE_RETA(i >> 2), reta); 491 else 492 IXGBE_WRITE_REG(hw, IXGBE_ERETA((i >> 2) - 32), 493 reta); 494 reta = 0; 495 } 496 } 497 498 /* Now fill our hash function seeds */ 499 for (i = 0; i < 10; i++) 500 IXGBE_WRITE_REG(hw, IXGBE_RSSRK(i), rss_key[i]); 501 502 /* Perform hash on these packet types */ 503 if (adapter->feat_en & IXGBE_FEATURE_RSS) 504 rss_hash_config = rss_gethashconfig(); 505 else { 506 /* 507 * Disable UDP - IP fragments aren't currently being handled 508 * and so we end up with a mix of 2-tuple and 4-tuple 509 * traffic. 510 */ 511 rss_hash_config = RSS_HASHTYPE_RSS_IPV4 512 | RSS_HASHTYPE_RSS_TCP_IPV4 513 | RSS_HASHTYPE_RSS_IPV6 514 | RSS_HASHTYPE_RSS_TCP_IPV6 515 | RSS_HASHTYPE_RSS_IPV6_EX 516 | RSS_HASHTYPE_RSS_TCP_IPV6_EX; 517 } 518 519 mrqc = IXGBE_MRQC_RSSEN; 520 if (rss_hash_config & RSS_HASHTYPE_RSS_IPV4) 521 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4; 522 if (rss_hash_config & RSS_HASHTYPE_RSS_TCP_IPV4) 523 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4_TCP; 524 if (rss_hash_config & RSS_HASHTYPE_RSS_IPV6) 525 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6; 526 if (rss_hash_config & RSS_HASHTYPE_RSS_TCP_IPV6) 527 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_TCP; 528 if (rss_hash_config & RSS_HASHTYPE_RSS_IPV6_EX) 529 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_EX; 530 if (rss_hash_config & RSS_HASHTYPE_RSS_TCP_IPV6_EX) 531 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_EX_TCP; 532 if (rss_hash_config & RSS_HASHTYPE_RSS_UDP_IPV4) 533 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4_UDP; 534 if (rss_hash_config & RSS_HASHTYPE_RSS_UDP_IPV6) 535 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_UDP; 536 if (rss_hash_config & RSS_HASHTYPE_RSS_UDP_IPV6_EX) 537 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_EX_UDP; 538 mrqc |= ixgbe_get_mrqc(adapter->iov_mode); 539 IXGBE_WRITE_REG(hw, IXGBE_MRQC, mrqc); 540 } /* ixgbe_initialize_rss_mapping */ 541 542 /************************************************************************ 543 * ixgbe_initialize_receive_units - Setup receive registers and features. 544 ************************************************************************/ 545 #define BSIZEPKT_ROUNDUP ((1<<IXGBE_SRRCTL_BSIZEPKT_SHIFT)-1) 546 547 static void 548 ixgbe_initialize_receive_units(struct adapter *adapter) 549 { 550 struct rx_ring *rxr = adapter->rx_rings; 551 struct ixgbe_hw *hw = &adapter->hw; 552 struct ifnet *ifp = adapter->ifp; 553 int i, j; 554 u32 bufsz, fctrl, srrctl, rxcsum; 555 u32 hlreg; 556 557 /* 558 * Make sure receives are disabled while 559 * setting up the descriptor ring 560 */ 561 ixgbe_disable_rx(hw); 562 563 /* Enable broadcasts */ 564 fctrl = IXGBE_READ_REG(hw, IXGBE_FCTRL); 565 fctrl |= IXGBE_FCTRL_BAM; 566 if (adapter->hw.mac.type == ixgbe_mac_82598EB) { 567 fctrl |= IXGBE_FCTRL_DPF; 568 fctrl |= IXGBE_FCTRL_PMCF; 569 } 570 IXGBE_WRITE_REG(hw, IXGBE_FCTRL, fctrl); 571 572 /* Set for Jumbo Frames? */ 573 hlreg = IXGBE_READ_REG(hw, IXGBE_HLREG0); 574 if (ifp->if_mtu > ETHERMTU) 575 hlreg |= IXGBE_HLREG0_JUMBOEN; 576 else 577 hlreg &= ~IXGBE_HLREG0_JUMBOEN; 578 579 #ifdef DEV_NETMAP 580 /* CRC stripping is conditional in Netmap */ 581 if ((adapter->feat_en & IXGBE_FEATURE_NETMAP) && 582 (ifp->if_capenable & IFCAP_NETMAP) && 583 !ix_crcstrip) 584 hlreg &= ~IXGBE_HLREG0_RXCRCSTRP; 585 else 586 #endif /* DEV_NETMAP */ 587 hlreg |= IXGBE_HLREG0_RXCRCSTRP; 588 589 IXGBE_WRITE_REG(hw, IXGBE_HLREG0, hlreg); 590 591 bufsz = (adapter->rx_mbuf_sz + BSIZEPKT_ROUNDUP) >> 592 IXGBE_SRRCTL_BSIZEPKT_SHIFT; 593 594 for (i = 0; i < adapter->num_queues; i++, rxr++) { 595 u64 rdba = rxr->rxdma.dma_paddr; 596 u32 reg; 597 int regnum = i / 4; /* 1 register per 4 queues */ 598 int regshift = i % 4; /* 4 bits per 1 queue */ 599 j = rxr->me; 600 601 /* Setup the Base and Length of the Rx Descriptor Ring */ 602 IXGBE_WRITE_REG(hw, IXGBE_RDBAL(j), 603 (rdba & 0x00000000ffffffffULL)); 604 IXGBE_WRITE_REG(hw, IXGBE_RDBAH(j), (rdba >> 32)); 605 IXGBE_WRITE_REG(hw, IXGBE_RDLEN(j), 606 adapter->num_rx_desc * sizeof(union ixgbe_adv_rx_desc)); 607 608 /* Set up the SRRCTL register */ 609 srrctl = IXGBE_READ_REG(hw, IXGBE_SRRCTL(j)); 610 srrctl &= ~IXGBE_SRRCTL_BSIZEHDR_MASK; 611 srrctl &= ~IXGBE_SRRCTL_BSIZEPKT_MASK; 612 srrctl |= bufsz; 613 srrctl |= IXGBE_SRRCTL_DESCTYPE_ADV_ONEBUF; 614 615 /* Set RQSMR (Receive Queue Statistic Mapping) register */ 616 reg = IXGBE_READ_REG(hw, IXGBE_RQSMR(regnum)); 617 reg &= ~(0x000000ffUL << (regshift * 8)); 618 reg |= i << (regshift * 8); 619 IXGBE_WRITE_REG(hw, IXGBE_RQSMR(regnum), reg); 620 621 /* 622 * Set DROP_EN iff we have no flow control and >1 queue. 623 * Note that srrctl was cleared shortly before during reset, 624 * so we do not need to clear the bit, but do it just in case 625 * this code is moved elsewhere. 626 */ 627 if (adapter->num_queues > 1 && 628 adapter->hw.fc.requested_mode == ixgbe_fc_none) { 629 srrctl |= IXGBE_SRRCTL_DROP_EN; 630 } else { 631 srrctl &= ~IXGBE_SRRCTL_DROP_EN; 632 } 633 634 IXGBE_WRITE_REG(hw, IXGBE_SRRCTL(j), srrctl); 635 636 /* Setup the HW Rx Head and Tail Descriptor Pointers */ 637 IXGBE_WRITE_REG(hw, IXGBE_RDH(j), 0); 638 IXGBE_WRITE_REG(hw, IXGBE_RDT(j), 0); 639 640 /* Set the driver rx tail address */ 641 rxr->tail = IXGBE_RDT(rxr->me); 642 } 643 644 if (adapter->hw.mac.type != ixgbe_mac_82598EB) { 645 u32 psrtype = IXGBE_PSRTYPE_TCPHDR 646 | IXGBE_PSRTYPE_UDPHDR 647 | IXGBE_PSRTYPE_IPV4HDR 648 | IXGBE_PSRTYPE_IPV6HDR; 649 IXGBE_WRITE_REG(hw, IXGBE_PSRTYPE(0), psrtype); 650 } 651 652 rxcsum = IXGBE_READ_REG(hw, IXGBE_RXCSUM); 653 654 ixgbe_initialize_rss_mapping(adapter); 655 656 if (adapter->num_queues > 1) { 657 /* RSS and RX IPP Checksum are mutually exclusive */ 658 rxcsum |= IXGBE_RXCSUM_PCSD; 659 } 660 661 if (ifp->if_capenable & IFCAP_RXCSUM) 662 rxcsum |= IXGBE_RXCSUM_PCSD; 663 664 /* This is useful for calculating UDP/IP fragment checksums */ 665 if (!(rxcsum & IXGBE_RXCSUM_PCSD)) 666 rxcsum |= IXGBE_RXCSUM_IPPCSE; 667 668 IXGBE_WRITE_REG(hw, IXGBE_RXCSUM, rxcsum); 669 670 } /* ixgbe_initialize_receive_units */ 671 672 /************************************************************************ 673 * ixgbe_initialize_transmit_units - Enable transmit units. 674 ************************************************************************/ 675 static void 676 ixgbe_initialize_transmit_units(struct adapter *adapter) 677 { 678 struct tx_ring *txr = adapter->tx_rings; 679 struct ixgbe_hw *hw = &adapter->hw; 680 int i; 681 682 INIT_DEBUGOUT("ixgbe_initialize_transmit_units"); 683 684 /* Setup the Base and Length of the Tx Descriptor Ring */ 685 for (i = 0; i < adapter->num_queues; i++, txr++) { 686 u64 tdba = txr->txdma.dma_paddr; 687 u32 txctrl = 0; 688 u32 tqsmreg, reg; 689 int regnum = i / 4; /* 1 register per 4 queues */ 690 int regshift = i % 4; /* 4 bits per 1 queue */ 691 int j = txr->me; 692 693 IXGBE_WRITE_REG(hw, IXGBE_TDBAL(j), 694 (tdba & 0x00000000ffffffffULL)); 695 IXGBE_WRITE_REG(hw, IXGBE_TDBAH(j), (tdba >> 32)); 696 IXGBE_WRITE_REG(hw, IXGBE_TDLEN(j), 697 adapter->num_tx_desc * sizeof(union ixgbe_adv_tx_desc)); 698 699 /* 700 * Set TQSMR (Transmit Queue Statistic Mapping) register. 701 * Register location is different between 82598 and others. 702 */ 703 if (adapter->hw.mac.type == ixgbe_mac_82598EB) 704 tqsmreg = IXGBE_TQSMR(regnum); 705 else 706 tqsmreg = IXGBE_TQSM(regnum); 707 reg = IXGBE_READ_REG(hw, tqsmreg); 708 reg &= ~(0x000000ffUL << (regshift * 8)); 709 reg |= i << (regshift * 8); 710 IXGBE_WRITE_REG(hw, tqsmreg, reg); 711 712 /* Setup the HW Tx Head and Tail descriptor pointers */ 713 IXGBE_WRITE_REG(hw, IXGBE_TDH(j), 0); 714 IXGBE_WRITE_REG(hw, IXGBE_TDT(j), 0); 715 716 /* Cache the tail address */ 717 txr->tail = IXGBE_TDT(j); 718 719 txr->txr_no_space = false; 720 721 /* Disable Head Writeback */ 722 /* 723 * Note: for X550 series devices, these registers are actually 724 * prefixed with TPH_ isntead of DCA_, but the addresses and 725 * fields remain the same. 726 */ 727 switch (hw->mac.type) { 728 case ixgbe_mac_82598EB: 729 txctrl = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(j)); 730 break; 731 default: 732 txctrl = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL_82599(j)); 733 break; 734 } 735 txctrl &= ~IXGBE_DCA_TXCTRL_DESC_WRO_EN; 736 switch (hw->mac.type) { 737 case ixgbe_mac_82598EB: 738 IXGBE_WRITE_REG(hw, IXGBE_DCA_TXCTRL(j), txctrl); 739 break; 740 default: 741 IXGBE_WRITE_REG(hw, IXGBE_DCA_TXCTRL_82599(j), txctrl); 742 break; 743 } 744 745 } 746 747 if (hw->mac.type != ixgbe_mac_82598EB) { 748 u32 dmatxctl, rttdcs; 749 750 dmatxctl = IXGBE_READ_REG(hw, IXGBE_DMATXCTL); 751 dmatxctl |= IXGBE_DMATXCTL_TE; 752 IXGBE_WRITE_REG(hw, IXGBE_DMATXCTL, dmatxctl); 753 /* Disable arbiter to set MTQC */ 754 rttdcs = IXGBE_READ_REG(hw, IXGBE_RTTDCS); 755 rttdcs |= IXGBE_RTTDCS_ARBDIS; 756 IXGBE_WRITE_REG(hw, IXGBE_RTTDCS, rttdcs); 757 IXGBE_WRITE_REG(hw, IXGBE_MTQC, 758 ixgbe_get_mtqc(adapter->iov_mode)); 759 rttdcs &= ~IXGBE_RTTDCS_ARBDIS; 760 IXGBE_WRITE_REG(hw, IXGBE_RTTDCS, rttdcs); 761 } 762 763 return; 764 } /* ixgbe_initialize_transmit_units */ 765 766 /************************************************************************ 767 * ixgbe_attach - Device initialization routine 768 * 769 * Called when the driver is being loaded. 770 * Identifies the type of hardware, allocates all resources 771 * and initializes the hardware. 772 * 773 * return 0 on success, positive on failure 774 ************************************************************************/ 775 static void 776 ixgbe_attach(device_t parent, device_t dev, void *aux) 777 { 778 struct adapter *adapter; 779 struct ixgbe_hw *hw; 780 int error = -1; 781 u32 ctrl_ext; 782 u16 high, low, nvmreg; 783 pcireg_t id, subid; 784 const ixgbe_vendor_info_t *ent; 785 struct pci_attach_args *pa = aux; 786 bool unsupported_sfp = false; 787 const char *str; 788 char wqname[MAXCOMLEN]; 789 char buf[256]; 790 791 INIT_DEBUGOUT("ixgbe_attach: begin"); 792 793 /* Allocate, clear, and link in our adapter structure */ 794 adapter = device_private(dev); 795 adapter->hw.back = adapter; 796 adapter->dev = dev; 797 hw = &adapter->hw; 798 adapter->osdep.pc = pa->pa_pc; 799 adapter->osdep.tag = pa->pa_tag; 800 if (pci_dma64_available(pa)) 801 adapter->osdep.dmat = pa->pa_dmat64; 802 else 803 adapter->osdep.dmat = pa->pa_dmat; 804 adapter->osdep.attached = false; 805 806 ent = ixgbe_lookup(pa); 807 808 KASSERT(ent != NULL); 809 810 aprint_normal(": %s, Version - %s\n", 811 ixgbe_strings[ent->index], ixgbe_driver_version); 812 813 /* Core Lock Init */ 814 IXGBE_CORE_LOCK_INIT(adapter, device_xname(dev)); 815 816 /* Set up the timer callout and workqueue */ 817 callout_init(&adapter->timer, IXGBE_CALLOUT_FLAGS); 818 snprintf(wqname, sizeof(wqname), "%s-timer", device_xname(dev)); 819 error = workqueue_create(&adapter->timer_wq, wqname, 820 ixgbe_handle_timer, adapter, IXGBE_WORKQUEUE_PRI, IPL_NET, 821 IXGBE_TASKLET_WQ_FLAGS); 822 if (error) { 823 aprint_error_dev(dev, 824 "could not create timer workqueue (%d)\n", error); 825 goto err_out; 826 } 827 828 /* Determine hardware revision */ 829 id = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_ID_REG); 830 subid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG); 831 832 hw->vendor_id = PCI_VENDOR(id); 833 hw->device_id = PCI_PRODUCT(id); 834 hw->revision_id = 835 PCI_REVISION(pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_CLASS_REG)); 836 hw->subsystem_vendor_id = PCI_SUBSYS_VENDOR(subid); 837 hw->subsystem_device_id = PCI_SUBSYS_ID(subid); 838 839 /* 840 * Make sure BUSMASTER is set 841 */ 842 ixgbe_pci_enable_busmaster(pa->pa_pc, pa->pa_tag); 843 844 /* Do base PCI setup - map BAR0 */ 845 if (ixgbe_allocate_pci_resources(adapter, pa)) { 846 aprint_error_dev(dev, "Allocation of PCI resources failed\n"); 847 error = ENXIO; 848 goto err_out; 849 } 850 851 /* let hardware know driver is loaded */ 852 ctrl_ext = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT); 853 ctrl_ext |= IXGBE_CTRL_EXT_DRV_LOAD; 854 IXGBE_WRITE_REG(hw, IXGBE_CTRL_EXT, ctrl_ext); 855 856 /* 857 * Initialize the shared code 858 */ 859 if (ixgbe_init_shared_code(hw) != 0) { 860 aprint_error_dev(dev, "Unable to initialize the shared code\n"); 861 error = ENXIO; 862 goto err_out; 863 } 864 865 switch (hw->mac.type) { 866 case ixgbe_mac_82598EB: 867 str = "82598EB"; 868 break; 869 case ixgbe_mac_82599EB: 870 str = "82599EB"; 871 break; 872 case ixgbe_mac_X540: 873 str = "X540"; 874 break; 875 case ixgbe_mac_X550: 876 str = "X550"; 877 break; 878 case ixgbe_mac_X550EM_x: 879 str = "X550EM"; 880 break; 881 case ixgbe_mac_X550EM_a: 882 str = "X550EM A"; 883 break; 884 default: 885 str = "Unknown"; 886 break; 887 } 888 aprint_normal_dev(dev, "device %s\n", str); 889 890 if (hw->mbx.ops.init_params) 891 hw->mbx.ops.init_params(hw); 892 893 hw->allow_unsupported_sfp = allow_unsupported_sfp; 894 895 /* Pick up the 82599 settings */ 896 if (hw->mac.type != ixgbe_mac_82598EB) { 897 hw->phy.smart_speed = ixgbe_smart_speed; 898 adapter->num_segs = IXGBE_82599_SCATTER; 899 } else 900 adapter->num_segs = IXGBE_82598_SCATTER; 901 902 /* Ensure SW/FW semaphore is free */ 903 ixgbe_init_swfw_semaphore(hw); 904 905 hw->mac.ops.set_lan_id(hw); 906 ixgbe_init_device_features(adapter); 907 908 if (ixgbe_configure_interrupts(adapter)) { 909 error = ENXIO; 910 goto err_out; 911 } 912 913 /* Allocate multicast array memory. */ 914 adapter->mta = malloc(sizeof(*adapter->mta) * 915 MAX_NUM_MULTICAST_ADDRESSES, M_DEVBUF, M_WAITOK); 916 917 /* Enable WoL (if supported) */ 918 ixgbe_check_wol_support(adapter); 919 920 /* Register for VLAN events */ 921 ether_set_vlan_cb(&adapter->osdep.ec, ixgbe_vlan_cb); 922 923 /* Verify adapter fan is still functional (if applicable) */ 924 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) { 925 u32 esdp = IXGBE_READ_REG(hw, IXGBE_ESDP); 926 ixgbe_check_fan_failure(adapter, esdp, FALSE); 927 } 928 929 /* Set an initial default flow control value */ 930 hw->fc.requested_mode = ixgbe_flow_control; 931 932 /* Sysctls for limiting the amount of work done in the taskqueues */ 933 ixgbe_set_sysctl_value(adapter, "rx_processing_limit", 934 "max number of rx packets to process", 935 &adapter->rx_process_limit, ixgbe_rx_process_limit); 936 937 ixgbe_set_sysctl_value(adapter, "tx_processing_limit", 938 "max number of tx packets to process", 939 &adapter->tx_process_limit, ixgbe_tx_process_limit); 940 941 /* Do descriptor calc and sanity checks */ 942 if (((ixgbe_txd * sizeof(union ixgbe_adv_tx_desc)) % DBA_ALIGN) != 0 || 943 ixgbe_txd < MIN_TXD || ixgbe_txd > MAX_TXD) { 944 aprint_error_dev(dev, "TXD config issue, using default!\n"); 945 adapter->num_tx_desc = DEFAULT_TXD; 946 } else 947 adapter->num_tx_desc = ixgbe_txd; 948 949 if (((ixgbe_rxd * sizeof(union ixgbe_adv_rx_desc)) % DBA_ALIGN) != 0 || 950 ixgbe_rxd < MIN_RXD || ixgbe_rxd > MAX_RXD) { 951 aprint_error_dev(dev, "RXD config issue, using default!\n"); 952 adapter->num_rx_desc = DEFAULT_RXD; 953 } else 954 adapter->num_rx_desc = ixgbe_rxd; 955 956 /* Allocate our TX/RX Queues */ 957 if (ixgbe_allocate_queues(adapter)) { 958 error = ENOMEM; 959 goto err_out; 960 } 961 962 hw->phy.reset_if_overtemp = TRUE; 963 error = ixgbe_reset_hw(hw); 964 hw->phy.reset_if_overtemp = FALSE; 965 if (error == IXGBE_ERR_SFP_NOT_PRESENT) 966 error = IXGBE_SUCCESS; 967 else if (error == IXGBE_ERR_SFP_NOT_SUPPORTED) { 968 aprint_error_dev(dev, "Unsupported SFP+ module detected!\n"); 969 unsupported_sfp = true; 970 error = IXGBE_SUCCESS; 971 } else if (error) { 972 aprint_error_dev(dev, "Hardware initialization failed\n"); 973 error = EIO; 974 goto err_late; 975 } 976 977 /* Make sure we have a good EEPROM before we read from it */ 978 if (ixgbe_validate_eeprom_checksum(&adapter->hw, NULL) < 0) { 979 aprint_error_dev(dev, "The EEPROM Checksum Is Not Valid\n"); 980 error = EIO; 981 goto err_late; 982 } 983 984 aprint_normal("%s:", device_xname(dev)); 985 /* NVM Image Version */ 986 high = low = 0; 987 switch (hw->mac.type) { 988 case ixgbe_mac_X540: 989 case ixgbe_mac_X550EM_a: 990 hw->eeprom.ops.read(hw, IXGBE_NVM_IMAGE_VER, &nvmreg); 991 if (nvmreg == 0xffff) 992 break; 993 high = (nvmreg >> 12) & 0x0f; 994 low = (nvmreg >> 4) & 0xff; 995 id = nvmreg & 0x0f; 996 aprint_normal(" NVM Image Version %u.", high); 997 if (hw->mac.type == ixgbe_mac_X540) 998 str = "%x"; 999 else 1000 str = "%02x"; 1001 aprint_normal(str, low); 1002 aprint_normal(" ID 0x%x,", id); 1003 break; 1004 case ixgbe_mac_X550EM_x: 1005 case ixgbe_mac_X550: 1006 hw->eeprom.ops.read(hw, IXGBE_NVM_IMAGE_VER, &nvmreg); 1007 if (nvmreg == 0xffff) 1008 break; 1009 high = (nvmreg >> 12) & 0x0f; 1010 low = nvmreg & 0xff; 1011 aprint_normal(" NVM Image Version %u.%02x,", high, low); 1012 break; 1013 default: 1014 break; 1015 } 1016 hw->eeprom.nvm_image_ver_high = high; 1017 hw->eeprom.nvm_image_ver_low = low; 1018 1019 /* PHY firmware revision */ 1020 switch (hw->mac.type) { 1021 case ixgbe_mac_X540: 1022 case ixgbe_mac_X550: 1023 hw->eeprom.ops.read(hw, IXGBE_PHYFW_REV, &nvmreg); 1024 if (nvmreg == 0xffff) 1025 break; 1026 high = (nvmreg >> 12) & 0x0f; 1027 low = (nvmreg >> 4) & 0xff; 1028 id = nvmreg & 0x000f; 1029 aprint_normal(" PHY FW Revision %u.", high); 1030 if (hw->mac.type == ixgbe_mac_X540) 1031 str = "%x"; 1032 else 1033 str = "%02x"; 1034 aprint_normal(str, low); 1035 aprint_normal(" ID 0x%x,", id); 1036 break; 1037 default: 1038 break; 1039 } 1040 1041 /* NVM Map version & OEM NVM Image version */ 1042 switch (hw->mac.type) { 1043 case ixgbe_mac_X550: 1044 case ixgbe_mac_X550EM_x: 1045 case ixgbe_mac_X550EM_a: 1046 hw->eeprom.ops.read(hw, IXGBE_NVM_MAP_VER, &nvmreg); 1047 if (nvmreg != 0xffff) { 1048 high = (nvmreg >> 12) & 0x0f; 1049 low = nvmreg & 0x00ff; 1050 aprint_normal(" NVM Map version %u.%02x,", high, low); 1051 } 1052 hw->eeprom.ops.read(hw, IXGBE_OEM_NVM_IMAGE_VER, &nvmreg); 1053 if (nvmreg != 0xffff) { 1054 high = (nvmreg >> 12) & 0x0f; 1055 low = nvmreg & 0x00ff; 1056 aprint_verbose(" OEM NVM Image version %u.%02x,", high, 1057 low); 1058 } 1059 break; 1060 default: 1061 break; 1062 } 1063 1064 /* Print the ETrackID */ 1065 hw->eeprom.ops.read(hw, IXGBE_ETRACKID_H, &high); 1066 hw->eeprom.ops.read(hw, IXGBE_ETRACKID_L, &low); 1067 aprint_normal(" ETrackID %08x\n", ((uint32_t)high << 16) | low); 1068 1069 if (adapter->feat_en & IXGBE_FEATURE_MSIX) { 1070 error = ixgbe_allocate_msix(adapter, pa); 1071 if (error) { 1072 /* Free allocated queue structures first */ 1073 ixgbe_free_queues(adapter); 1074 1075 /* Fallback to legacy interrupt */ 1076 adapter->feat_en &= ~IXGBE_FEATURE_MSIX; 1077 if (adapter->feat_cap & IXGBE_FEATURE_MSI) 1078 adapter->feat_en |= IXGBE_FEATURE_MSI; 1079 adapter->num_queues = 1; 1080 1081 /* Allocate our TX/RX Queues again */ 1082 if (ixgbe_allocate_queues(adapter)) { 1083 error = ENOMEM; 1084 goto err_out; 1085 } 1086 } 1087 } 1088 /* Recovery mode */ 1089 switch (adapter->hw.mac.type) { 1090 case ixgbe_mac_X550: 1091 case ixgbe_mac_X550EM_x: 1092 case ixgbe_mac_X550EM_a: 1093 /* >= 2.00 */ 1094 if (hw->eeprom.nvm_image_ver_high >= 2) { 1095 adapter->feat_cap |= IXGBE_FEATURE_RECOVERY_MODE; 1096 adapter->feat_en |= IXGBE_FEATURE_RECOVERY_MODE; 1097 } 1098 break; 1099 default: 1100 break; 1101 } 1102 1103 if ((adapter->feat_en & IXGBE_FEATURE_MSIX) == 0) 1104 error = ixgbe_allocate_legacy(adapter, pa); 1105 if (error) 1106 goto err_late; 1107 1108 /* Tasklets for Link, SFP, Multispeed Fiber and Flow Director */ 1109 snprintf(wqname, sizeof(wqname), "%s-admin", device_xname(dev)); 1110 error = workqueue_create(&adapter->admin_wq, wqname, 1111 ixgbe_handle_admin, adapter, IXGBE_WORKQUEUE_PRI, IPL_NET, 1112 IXGBE_TASKLET_WQ_FLAGS); 1113 if (error) { 1114 aprint_error_dev(dev, 1115 "could not create admin workqueue (%d)\n", error); 1116 goto err_out; 1117 } 1118 1119 error = ixgbe_start_hw(hw); 1120 switch (error) { 1121 case IXGBE_ERR_EEPROM_VERSION: 1122 aprint_error_dev(dev, "This device is a pre-production adapter/" 1123 "LOM. Please be aware there may be issues associated " 1124 "with your hardware.\nIf you are experiencing problems " 1125 "please contact your Intel or hardware representative " 1126 "who provided you with this hardware.\n"); 1127 break; 1128 default: 1129 break; 1130 } 1131 1132 /* Setup OS specific network interface */ 1133 if (ixgbe_setup_interface(dev, adapter) != 0) 1134 goto err_late; 1135 1136 /* 1137 * Print PHY ID only for copper PHY. On device which has SFP(+) cage 1138 * and a module is inserted, phy.id is not MII PHY id but SFF 8024 ID. 1139 */ 1140 if (hw->phy.media_type == ixgbe_media_type_copper) { 1141 uint16_t id1, id2; 1142 int oui, model, rev; 1143 const char *descr; 1144 1145 id1 = hw->phy.id >> 16; 1146 id2 = hw->phy.id & 0xffff; 1147 oui = MII_OUI(id1, id2); 1148 model = MII_MODEL(id2); 1149 rev = MII_REV(id2); 1150 if ((descr = mii_get_descr(oui, model)) != NULL) 1151 aprint_normal_dev(dev, 1152 "PHY: %s (OUI 0x%06x, model 0x%04x), rev. %d\n", 1153 descr, oui, model, rev); 1154 else 1155 aprint_normal_dev(dev, 1156 "PHY OUI 0x%06x, model 0x%04x, rev. %d\n", 1157 oui, model, rev); 1158 } 1159 1160 /* Enable EEE power saving */ 1161 if (adapter->feat_cap & IXGBE_FEATURE_EEE) 1162 hw->mac.ops.setup_eee(hw, 1163 adapter->feat_en & IXGBE_FEATURE_EEE); 1164 1165 /* Enable power to the phy. */ 1166 if (!unsupported_sfp) { 1167 /* Enable the optics for 82599 SFP+ fiber */ 1168 ixgbe_enable_tx_laser(hw); 1169 1170 /* 1171 * XXX Currently, ixgbe_set_phy_power() supports only copper 1172 * PHY, so it's not required to test with !unsupported_sfp. 1173 */ 1174 ixgbe_set_phy_power(hw, TRUE); 1175 } 1176 1177 /* Initialize statistics */ 1178 ixgbe_update_stats_counters(adapter); 1179 1180 /* Check PCIE slot type/speed/width */ 1181 ixgbe_get_slot_info(adapter); 1182 1183 /* 1184 * Do time init and sysctl init here, but 1185 * only on the first port of a bypass adapter. 1186 */ 1187 ixgbe_bypass_init(adapter); 1188 1189 /* Set an initial dmac value */ 1190 adapter->dmac = 0; 1191 /* Set initial advertised speeds (if applicable) */ 1192 adapter->advertise = ixgbe_get_advertise(adapter); 1193 1194 if (adapter->feat_cap & IXGBE_FEATURE_SRIOV) 1195 ixgbe_define_iov_schemas(dev, &error); 1196 1197 /* Add sysctls */ 1198 ixgbe_add_device_sysctls(adapter); 1199 ixgbe_add_hw_stats(adapter); 1200 1201 /* For Netmap */ 1202 adapter->init_locked = ixgbe_init_locked; 1203 adapter->stop_locked = ixgbe_stop; 1204 1205 if (adapter->feat_en & IXGBE_FEATURE_NETMAP) 1206 ixgbe_netmap_attach(adapter); 1207 1208 snprintb(buf, sizeof(buf), IXGBE_FEATURE_FLAGS, adapter->feat_cap); 1209 aprint_verbose_dev(dev, "feature cap %s\n", buf); 1210 snprintb(buf, sizeof(buf), IXGBE_FEATURE_FLAGS, adapter->feat_en); 1211 aprint_verbose_dev(dev, "feature ena %s\n", buf); 1212 1213 if (pmf_device_register(dev, ixgbe_suspend, ixgbe_resume)) 1214 pmf_class_network_register(dev, adapter->ifp); 1215 else 1216 aprint_error_dev(dev, "couldn't establish power handler\n"); 1217 1218 /* Init recovery mode timer and state variable */ 1219 if (adapter->feat_en & IXGBE_FEATURE_RECOVERY_MODE) { 1220 adapter->recovery_mode = 0; 1221 1222 /* Set up the timer callout */ 1223 callout_init(&adapter->recovery_mode_timer, 1224 IXGBE_CALLOUT_FLAGS); 1225 snprintf(wqname, sizeof(wqname), "%s-recovery", 1226 device_xname(dev)); 1227 error = workqueue_create(&adapter->recovery_mode_timer_wq, 1228 wqname, ixgbe_handle_recovery_mode_timer, adapter, 1229 IXGBE_WORKQUEUE_PRI, IPL_NET, IXGBE_TASKLET_WQ_FLAGS); 1230 if (error) { 1231 aprint_error_dev(dev, "could not create " 1232 "recovery_mode_timer workqueue (%d)\n", error); 1233 goto err_out; 1234 } 1235 1236 /* Start the task */ 1237 callout_reset(&adapter->recovery_mode_timer, hz, 1238 ixgbe_recovery_mode_timer, adapter); 1239 } 1240 1241 INIT_DEBUGOUT("ixgbe_attach: end"); 1242 adapter->osdep.attached = true; 1243 1244 return; 1245 1246 err_late: 1247 ixgbe_free_queues(adapter); 1248 err_out: 1249 ctrl_ext = IXGBE_READ_REG(&adapter->hw, IXGBE_CTRL_EXT); 1250 ctrl_ext &= ~IXGBE_CTRL_EXT_DRV_LOAD; 1251 IXGBE_WRITE_REG(&adapter->hw, IXGBE_CTRL_EXT, ctrl_ext); 1252 ixgbe_free_workqueue(adapter); 1253 ixgbe_free_pci_resources(adapter); 1254 if (adapter->mta != NULL) 1255 free(adapter->mta, M_DEVBUF); 1256 IXGBE_CORE_LOCK_DESTROY(adapter); 1257 1258 return; 1259 } /* ixgbe_attach */ 1260 1261 /************************************************************************ 1262 * ixgbe_check_wol_support 1263 * 1264 * Checks whether the adapter's ports are capable of 1265 * Wake On LAN by reading the adapter's NVM. 1266 * 1267 * Sets each port's hw->wol_enabled value depending 1268 * on the value read here. 1269 ************************************************************************/ 1270 static void 1271 ixgbe_check_wol_support(struct adapter *adapter) 1272 { 1273 struct ixgbe_hw *hw = &adapter->hw; 1274 u16 dev_caps = 0; 1275 1276 /* Find out WoL support for port */ 1277 adapter->wol_support = hw->wol_enabled = 0; 1278 ixgbe_get_device_caps(hw, &dev_caps); 1279 if ((dev_caps & IXGBE_DEVICE_CAPS_WOL_PORT0_1) || 1280 ((dev_caps & IXGBE_DEVICE_CAPS_WOL_PORT0) && 1281 hw->bus.func == 0)) 1282 adapter->wol_support = hw->wol_enabled = 1; 1283 1284 /* Save initial wake up filter configuration */ 1285 adapter->wufc = IXGBE_READ_REG(hw, IXGBE_WUFC); 1286 1287 return; 1288 } /* ixgbe_check_wol_support */ 1289 1290 /************************************************************************ 1291 * ixgbe_setup_interface 1292 * 1293 * Setup networking device structure and register an interface. 1294 ************************************************************************/ 1295 static int 1296 ixgbe_setup_interface(device_t dev, struct adapter *adapter) 1297 { 1298 struct ethercom *ec = &adapter->osdep.ec; 1299 struct ifnet *ifp; 1300 int rv; 1301 1302 INIT_DEBUGOUT("ixgbe_setup_interface: begin"); 1303 1304 ifp = adapter->ifp = &ec->ec_if; 1305 strlcpy(ifp->if_xname, device_xname(dev), IFNAMSIZ); 1306 ifp->if_baudrate = IF_Gbps(10); 1307 ifp->if_init = ixgbe_init; 1308 ifp->if_stop = ixgbe_ifstop; 1309 ifp->if_softc = adapter; 1310 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 1311 #ifdef IXGBE_MPSAFE 1312 ifp->if_extflags = IFEF_MPSAFE; 1313 #endif 1314 ifp->if_ioctl = ixgbe_ioctl; 1315 #if __FreeBSD_version >= 1100045 1316 /* TSO parameters */ 1317 ifp->if_hw_tsomax = 65518; 1318 ifp->if_hw_tsomaxsegcount = IXGBE_82599_SCATTER; 1319 ifp->if_hw_tsomaxsegsize = 2048; 1320 #endif 1321 if (adapter->feat_en & IXGBE_FEATURE_LEGACY_TX) { 1322 #if 0 1323 ixgbe_start_locked = ixgbe_legacy_start_locked; 1324 #endif 1325 } else { 1326 ifp->if_transmit = ixgbe_mq_start; 1327 #if 0 1328 ixgbe_start_locked = ixgbe_mq_start_locked; 1329 #endif 1330 } 1331 ifp->if_start = ixgbe_legacy_start; 1332 IFQ_SET_MAXLEN(&ifp->if_snd, adapter->num_tx_desc - 2); 1333 IFQ_SET_READY(&ifp->if_snd); 1334 1335 rv = if_initialize(ifp); 1336 if (rv != 0) { 1337 aprint_error_dev(dev, "if_initialize failed(%d)\n", rv); 1338 return rv; 1339 } 1340 adapter->ipq = if_percpuq_create(&adapter->osdep.ec.ec_if); 1341 ether_ifattach(ifp, adapter->hw.mac.addr); 1342 aprint_normal_dev(dev, "Ethernet address %s\n", 1343 ether_sprintf(adapter->hw.mac.addr)); 1344 /* 1345 * We use per TX queue softint, so if_deferred_start_init() isn't 1346 * used. 1347 */ 1348 ether_set_ifflags_cb(ec, ixgbe_ifflags_cb); 1349 1350 adapter->max_frame_size = ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN; 1351 1352 /* 1353 * Tell the upper layer(s) we support long frames. 1354 */ 1355 ifp->if_hdrlen = sizeof(struct ether_vlan_header); 1356 1357 /* Set capability flags */ 1358 ifp->if_capabilities |= IFCAP_RXCSUM 1359 | IFCAP_TXCSUM 1360 | IFCAP_TSOv4 1361 | IFCAP_TSOv6; 1362 ifp->if_capenable = 0; 1363 1364 ec->ec_capabilities |= ETHERCAP_VLAN_HWTAGGING 1365 | ETHERCAP_VLAN_HWCSUM 1366 | ETHERCAP_JUMBO_MTU 1367 | ETHERCAP_VLAN_MTU; 1368 1369 /* Enable the above capabilities by default */ 1370 ec->ec_capenable = ec->ec_capabilities; 1371 1372 /* 1373 * Don't turn this on by default, if vlans are 1374 * created on another pseudo device (eg. lagg) 1375 * then vlan events are not passed thru, breaking 1376 * operation, but with HW FILTER off it works. If 1377 * using vlans directly on the ixgbe driver you can 1378 * enable this and get full hardware tag filtering. 1379 */ 1380 ec->ec_capabilities |= ETHERCAP_VLAN_HWFILTER; 1381 1382 /* 1383 * Specify the media types supported by this adapter and register 1384 * callbacks to update media and link information 1385 */ 1386 ec->ec_ifmedia = &adapter->media; 1387 ifmedia_init_with_lock(&adapter->media, IFM_IMASK, ixgbe_media_change, 1388 ixgbe_media_status, &adapter->core_mtx); 1389 1390 adapter->phy_layer = ixgbe_get_supported_physical_layer(&adapter->hw); 1391 ixgbe_add_media_types(adapter); 1392 1393 /* Set autoselect media by default */ 1394 ifmedia_set(&adapter->media, IFM_ETHER | IFM_AUTO); 1395 1396 if_register(ifp); 1397 1398 return (0); 1399 } /* ixgbe_setup_interface */ 1400 1401 /************************************************************************ 1402 * ixgbe_add_media_types 1403 ************************************************************************/ 1404 static void 1405 ixgbe_add_media_types(struct adapter *adapter) 1406 { 1407 struct ixgbe_hw *hw = &adapter->hw; 1408 u64 layer; 1409 1410 layer = adapter->phy_layer; 1411 1412 #define ADD(mm, dd) \ 1413 ifmedia_add(&adapter->media, IFM_ETHER | (mm), (dd), NULL); 1414 1415 ADD(IFM_NONE, 0); 1416 1417 /* Media types with matching NetBSD media defines */ 1418 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_T) { 1419 ADD(IFM_10G_T | IFM_FDX, 0); 1420 } 1421 if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_T) { 1422 ADD(IFM_1000_T | IFM_FDX, 0); 1423 } 1424 if (layer & IXGBE_PHYSICAL_LAYER_100BASE_TX) { 1425 ADD(IFM_100_TX | IFM_FDX, 0); 1426 } 1427 if (layer & IXGBE_PHYSICAL_LAYER_10BASE_T) { 1428 ADD(IFM_10_T | IFM_FDX, 0); 1429 } 1430 1431 if (layer & IXGBE_PHYSICAL_LAYER_SFP_PLUS_CU || 1432 layer & IXGBE_PHYSICAL_LAYER_SFP_ACTIVE_DA) { 1433 ADD(IFM_10G_TWINAX | IFM_FDX, 0); 1434 } 1435 1436 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_LR) { 1437 ADD(IFM_10G_LR | IFM_FDX, 0); 1438 if (hw->phy.multispeed_fiber) { 1439 ADD(IFM_1000_LX | IFM_FDX, 0); 1440 } 1441 } 1442 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_SR) { 1443 ADD(IFM_10G_SR | IFM_FDX, 0); 1444 if (hw->phy.multispeed_fiber) { 1445 ADD(IFM_1000_SX | IFM_FDX, 0); 1446 } 1447 } else if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_SX) { 1448 ADD(IFM_1000_SX | IFM_FDX, 0); 1449 } 1450 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_CX4) { 1451 ADD(IFM_10G_CX4 | IFM_FDX, 0); 1452 } 1453 1454 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KR) { 1455 ADD(IFM_10G_KR | IFM_FDX, 0); 1456 } 1457 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KX4) { 1458 ADD(IFM_10G_KX4 | IFM_FDX, 0); 1459 } 1460 if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_KX) { 1461 ADD(IFM_1000_KX | IFM_FDX, 0); 1462 } 1463 if (layer & IXGBE_PHYSICAL_LAYER_2500BASE_KX) { 1464 ADD(IFM_2500_KX | IFM_FDX, 0); 1465 } 1466 if (layer & IXGBE_PHYSICAL_LAYER_2500BASE_T) { 1467 ADD(IFM_2500_T | IFM_FDX, 0); 1468 } 1469 if (layer & IXGBE_PHYSICAL_LAYER_5GBASE_T) { 1470 ADD(IFM_5000_T | IFM_FDX, 0); 1471 } 1472 if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_BX) 1473 ADD(IFM_1000_BX10 | IFM_FDX, 0); 1474 /* XXX no ifmedia_set? */ 1475 1476 ADD(IFM_AUTO, 0); 1477 1478 #undef ADD 1479 } /* ixgbe_add_media_types */ 1480 1481 /************************************************************************ 1482 * ixgbe_is_sfp 1483 ************************************************************************/ 1484 static inline bool 1485 ixgbe_is_sfp(struct ixgbe_hw *hw) 1486 { 1487 switch (hw->mac.type) { 1488 case ixgbe_mac_82598EB: 1489 if (hw->phy.type == ixgbe_phy_nl) 1490 return (TRUE); 1491 return (FALSE); 1492 case ixgbe_mac_82599EB: 1493 case ixgbe_mac_X550EM_x: 1494 case ixgbe_mac_X550EM_a: 1495 switch (hw->mac.ops.get_media_type(hw)) { 1496 case ixgbe_media_type_fiber: 1497 case ixgbe_media_type_fiber_qsfp: 1498 return (TRUE); 1499 default: 1500 return (FALSE); 1501 } 1502 default: 1503 return (FALSE); 1504 } 1505 } /* ixgbe_is_sfp */ 1506 1507 static void 1508 ixgbe_schedule_admin_tasklet(struct adapter *adapter) 1509 { 1510 if (adapter->schedule_wqs_ok) { 1511 if (atomic_cas_uint(&adapter->admin_pending, 0, 1) == 0) 1512 workqueue_enqueue(adapter->admin_wq, 1513 &adapter->admin_wc, NULL); 1514 } 1515 } 1516 1517 /************************************************************************ 1518 * ixgbe_config_link 1519 ************************************************************************/ 1520 static void 1521 ixgbe_config_link(struct adapter *adapter) 1522 { 1523 struct ixgbe_hw *hw = &adapter->hw; 1524 u32 autoneg, err = 0; 1525 u32 task_requests = 0; 1526 bool sfp, negotiate = false; 1527 1528 sfp = ixgbe_is_sfp(hw); 1529 1530 if (sfp) { 1531 if (hw->phy.multispeed_fiber) { 1532 ixgbe_enable_tx_laser(hw); 1533 task_requests |= IXGBE_REQUEST_TASK_MSF; 1534 } 1535 task_requests |= IXGBE_REQUEST_TASK_MOD; 1536 atomic_or_32(&adapter->task_requests, task_requests); 1537 ixgbe_schedule_admin_tasklet(adapter); 1538 } else { 1539 struct ifmedia *ifm = &adapter->media; 1540 1541 if (hw->mac.ops.check_link) 1542 err = ixgbe_check_link(hw, &adapter->link_speed, 1543 &adapter->link_up, FALSE); 1544 if (err) 1545 return; 1546 1547 /* 1548 * Check if it's the first call. If it's the first call, 1549 * get value for auto negotiation. 1550 */ 1551 autoneg = hw->phy.autoneg_advertised; 1552 if ((IFM_SUBTYPE(ifm->ifm_cur->ifm_media) != IFM_NONE) 1553 && ((!autoneg) && (hw->mac.ops.get_link_capabilities))) 1554 err = hw->mac.ops.get_link_capabilities(hw, &autoneg, 1555 &negotiate); 1556 if (err) 1557 return; 1558 if (hw->mac.ops.setup_link) 1559 err = hw->mac.ops.setup_link(hw, autoneg, 1560 adapter->link_up); 1561 } 1562 1563 } /* ixgbe_config_link */ 1564 1565 /************************************************************************ 1566 * ixgbe_update_stats_counters - Update board statistics counters. 1567 ************************************************************************/ 1568 static void 1569 ixgbe_update_stats_counters(struct adapter *adapter) 1570 { 1571 struct ifnet *ifp = adapter->ifp; 1572 struct ixgbe_hw *hw = &adapter->hw; 1573 struct ixgbe_hw_stats *stats = &adapter->stats.pf; 1574 u32 missed_rx = 0, bprc, lxon, lxoff, total; 1575 u64 total_missed_rx = 0; 1576 uint64_t crcerrs, rlec; 1577 unsigned int queue_counters; 1578 int i; 1579 1580 crcerrs = IXGBE_READ_REG(hw, IXGBE_CRCERRS); 1581 stats->crcerrs.ev_count += crcerrs; 1582 stats->illerrc.ev_count += IXGBE_READ_REG(hw, IXGBE_ILLERRC); 1583 stats->errbc.ev_count += IXGBE_READ_REG(hw, IXGBE_ERRBC); 1584 stats->mspdc.ev_count += IXGBE_READ_REG(hw, IXGBE_MSPDC); 1585 if (hw->mac.type >= ixgbe_mac_X550) 1586 stats->mbsdc.ev_count += IXGBE_READ_REG(hw, IXGBE_MBSDC); 1587 1588 /* 16 registers exist */ 1589 queue_counters = uimin(__arraycount(stats->qprc), adapter->num_queues); 1590 for (i = 0; i < queue_counters; i++) { 1591 stats->qprc[i].ev_count += IXGBE_READ_REG(hw, IXGBE_QPRC(i)); 1592 stats->qptc[i].ev_count += IXGBE_READ_REG(hw, IXGBE_QPTC(i)); 1593 if (hw->mac.type >= ixgbe_mac_82599EB) { 1594 stats->qprdc[i].ev_count 1595 += IXGBE_READ_REG(hw, IXGBE_QPRDC(i)); 1596 } 1597 } 1598 1599 /* 8 registers exist */ 1600 for (i = 0; i < IXGBE_TC_COUNTER_NUM; i++) { 1601 uint32_t mp; 1602 1603 /* MPC */ 1604 mp = IXGBE_READ_REG(hw, IXGBE_MPC(i)); 1605 /* global total per queue */ 1606 stats->mpc[i].ev_count += mp; 1607 /* running comprehensive total for stats display */ 1608 total_missed_rx += mp; 1609 1610 if (hw->mac.type == ixgbe_mac_82598EB) 1611 stats->rnbc[i].ev_count 1612 += IXGBE_READ_REG(hw, IXGBE_RNBC(i)); 1613 1614 stats->pxontxc[i].ev_count 1615 += IXGBE_READ_REG(hw, IXGBE_PXONTXC(i)); 1616 stats->pxofftxc[i].ev_count 1617 += IXGBE_READ_REG(hw, IXGBE_PXOFFTXC(i)); 1618 if (hw->mac.type >= ixgbe_mac_82599EB) { 1619 stats->pxonrxc[i].ev_count 1620 += IXGBE_READ_REG(hw, IXGBE_PXONRXCNT(i)); 1621 stats->pxoffrxc[i].ev_count 1622 += IXGBE_READ_REG(hw, IXGBE_PXOFFRXCNT(i)); 1623 stats->pxon2offc[i].ev_count 1624 += IXGBE_READ_REG(hw, IXGBE_PXON2OFFCNT(i)); 1625 } else { 1626 stats->pxonrxc[i].ev_count 1627 += IXGBE_READ_REG(hw, IXGBE_PXONRXC(i)); 1628 stats->pxoffrxc[i].ev_count 1629 += IXGBE_READ_REG(hw, IXGBE_PXOFFRXC(i)); 1630 } 1631 } 1632 stats->mpctotal.ev_count += total_missed_rx; 1633 1634 /* Document says M[LR]FC are valid when link is up and 10Gbps */ 1635 if ((adapter->link_active == LINK_STATE_UP) 1636 && (adapter->link_speed == IXGBE_LINK_SPEED_10GB_FULL)) { 1637 stats->mlfc.ev_count += IXGBE_READ_REG(hw, IXGBE_MLFC); 1638 stats->mrfc.ev_count += IXGBE_READ_REG(hw, IXGBE_MRFC); 1639 } 1640 rlec = IXGBE_READ_REG(hw, IXGBE_RLEC); 1641 stats->rlec.ev_count += rlec; 1642 1643 /* Hardware workaround, gprc counts missed packets */ 1644 stats->gprc.ev_count += IXGBE_READ_REG(hw, IXGBE_GPRC) - missed_rx; 1645 1646 lxon = IXGBE_READ_REG(hw, IXGBE_LXONTXC); 1647 stats->lxontxc.ev_count += lxon; 1648 lxoff = IXGBE_READ_REG(hw, IXGBE_LXOFFTXC); 1649 stats->lxofftxc.ev_count += lxoff; 1650 total = lxon + lxoff; 1651 1652 if (hw->mac.type != ixgbe_mac_82598EB) { 1653 stats->gorc.ev_count += IXGBE_READ_REG(hw, IXGBE_GORCL) + 1654 ((u64)IXGBE_READ_REG(hw, IXGBE_GORCH) << 32); 1655 stats->gotc.ev_count += IXGBE_READ_REG(hw, IXGBE_GOTCL) + 1656 ((u64)IXGBE_READ_REG(hw, IXGBE_GOTCH) << 32) - total * ETHER_MIN_LEN; 1657 stats->tor.ev_count += IXGBE_READ_REG(hw, IXGBE_TORL) + 1658 ((u64)IXGBE_READ_REG(hw, IXGBE_TORH) << 32); 1659 stats->lxonrxc.ev_count += IXGBE_READ_REG(hw, IXGBE_LXONRXCNT); 1660 stats->lxoffrxc.ev_count += IXGBE_READ_REG(hw, IXGBE_LXOFFRXCNT); 1661 } else { 1662 stats->lxonrxc.ev_count += IXGBE_READ_REG(hw, IXGBE_LXONRXC); 1663 stats->lxoffrxc.ev_count += IXGBE_READ_REG(hw, IXGBE_LXOFFRXC); 1664 /* 82598 only has a counter in the high register */ 1665 stats->gorc.ev_count += IXGBE_READ_REG(hw, IXGBE_GORCH); 1666 stats->gotc.ev_count += IXGBE_READ_REG(hw, IXGBE_GOTCH) - total * ETHER_MIN_LEN; 1667 stats->tor.ev_count += IXGBE_READ_REG(hw, IXGBE_TORH); 1668 } 1669 1670 /* 1671 * Workaround: mprc hardware is incorrectly counting 1672 * broadcasts, so for now we subtract those. 1673 */ 1674 bprc = IXGBE_READ_REG(hw, IXGBE_BPRC); 1675 stats->bprc.ev_count += bprc; 1676 stats->mprc.ev_count += IXGBE_READ_REG(hw, IXGBE_MPRC) 1677 - ((hw->mac.type == ixgbe_mac_82598EB) ? bprc : 0); 1678 1679 stats->prc64.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC64); 1680 stats->prc127.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC127); 1681 stats->prc255.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC255); 1682 stats->prc511.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC511); 1683 stats->prc1023.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC1023); 1684 stats->prc1522.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC1522); 1685 1686 stats->gptc.ev_count += IXGBE_READ_REG(hw, IXGBE_GPTC) - total; 1687 stats->mptc.ev_count += IXGBE_READ_REG(hw, IXGBE_MPTC) - total; 1688 stats->ptc64.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC64) - total; 1689 1690 stats->ruc.ev_count += IXGBE_READ_REG(hw, IXGBE_RUC); 1691 stats->rfc.ev_count += IXGBE_READ_REG(hw, IXGBE_RFC); 1692 stats->roc.ev_count += IXGBE_READ_REG(hw, IXGBE_ROC); 1693 stats->rjc.ev_count += IXGBE_READ_REG(hw, IXGBE_RJC); 1694 stats->mngprc.ev_count += IXGBE_READ_REG(hw, IXGBE_MNGPRC); 1695 stats->mngpdc.ev_count += IXGBE_READ_REG(hw, IXGBE_MNGPDC); 1696 stats->mngptc.ev_count += IXGBE_READ_REG(hw, IXGBE_MNGPTC); 1697 stats->tpr.ev_count += IXGBE_READ_REG(hw, IXGBE_TPR); 1698 stats->tpt.ev_count += IXGBE_READ_REG(hw, IXGBE_TPT); 1699 stats->ptc127.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC127); 1700 stats->ptc255.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC255); 1701 stats->ptc511.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC511); 1702 stats->ptc1023.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC1023); 1703 stats->ptc1522.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC1522); 1704 stats->bptc.ev_count += IXGBE_READ_REG(hw, IXGBE_BPTC); 1705 stats->xec.ev_count += IXGBE_READ_REG(hw, IXGBE_XEC); 1706 stats->fccrc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCCRC); 1707 stats->fclast.ev_count += IXGBE_READ_REG(hw, IXGBE_FCLAST); 1708 /* Only read FCOE on 82599 */ 1709 if (hw->mac.type != ixgbe_mac_82598EB) { 1710 stats->fcoerpdc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOERPDC); 1711 stats->fcoeprc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOEPRC); 1712 stats->fcoeptc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOEPTC); 1713 stats->fcoedwrc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOEDWRC); 1714 stats->fcoedwtc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOEDWTC); 1715 } 1716 1717 /* 1718 * Fill out the OS statistics structure. Only RX errors are required 1719 * here because all TX counters are incremented in the TX path and 1720 * normal RX counters are prepared in ether_input(). 1721 */ 1722 net_stat_ref_t nsr = IF_STAT_GETREF(ifp); 1723 if_statadd_ref(nsr, if_iqdrops, total_missed_rx); 1724 if_statadd_ref(nsr, if_ierrors, crcerrs + rlec); 1725 IF_STAT_PUTREF(ifp); 1726 } /* ixgbe_update_stats_counters */ 1727 1728 /************************************************************************ 1729 * ixgbe_add_hw_stats 1730 * 1731 * Add sysctl variables, one per statistic, to the system. 1732 ************************************************************************/ 1733 static void 1734 ixgbe_add_hw_stats(struct adapter *adapter) 1735 { 1736 device_t dev = adapter->dev; 1737 const struct sysctlnode *rnode, *cnode; 1738 struct sysctllog **log = &adapter->sysctllog; 1739 struct tx_ring *txr = adapter->tx_rings; 1740 struct rx_ring *rxr = adapter->rx_rings; 1741 struct ixgbe_hw *hw = &adapter->hw; 1742 struct ixgbe_hw_stats *stats = &adapter->stats.pf; 1743 const char *xname = device_xname(dev); 1744 int i; 1745 1746 /* Driver Statistics */ 1747 evcnt_attach_dynamic(&adapter->efbig_tx_dma_setup, EVCNT_TYPE_MISC, 1748 NULL, xname, "Driver tx dma soft fail EFBIG"); 1749 evcnt_attach_dynamic(&adapter->mbuf_defrag_failed, EVCNT_TYPE_MISC, 1750 NULL, xname, "m_defrag() failed"); 1751 evcnt_attach_dynamic(&adapter->efbig2_tx_dma_setup, EVCNT_TYPE_MISC, 1752 NULL, xname, "Driver tx dma hard fail EFBIG"); 1753 evcnt_attach_dynamic(&adapter->einval_tx_dma_setup, EVCNT_TYPE_MISC, 1754 NULL, xname, "Driver tx dma hard fail EINVAL"); 1755 evcnt_attach_dynamic(&adapter->other_tx_dma_setup, EVCNT_TYPE_MISC, 1756 NULL, xname, "Driver tx dma hard fail other"); 1757 evcnt_attach_dynamic(&adapter->eagain_tx_dma_setup, EVCNT_TYPE_MISC, 1758 NULL, xname, "Driver tx dma soft fail EAGAIN"); 1759 evcnt_attach_dynamic(&adapter->enomem_tx_dma_setup, EVCNT_TYPE_MISC, 1760 NULL, xname, "Driver tx dma soft fail ENOMEM"); 1761 evcnt_attach_dynamic(&adapter->watchdog_events, EVCNT_TYPE_MISC, 1762 NULL, xname, "Watchdog timeouts"); 1763 evcnt_attach_dynamic(&adapter->tso_err, EVCNT_TYPE_MISC, 1764 NULL, xname, "TSO errors"); 1765 evcnt_attach_dynamic(&adapter->admin_irqev, EVCNT_TYPE_INTR, 1766 NULL, xname, "Admin MSI-X IRQ Handled"); 1767 evcnt_attach_dynamic(&adapter->link_workev, EVCNT_TYPE_INTR, 1768 NULL, xname, "Link event"); 1769 evcnt_attach_dynamic(&adapter->mod_workev, EVCNT_TYPE_INTR, 1770 NULL, xname, "SFP+ module event"); 1771 evcnt_attach_dynamic(&adapter->msf_workev, EVCNT_TYPE_INTR, 1772 NULL, xname, "Multispeed event"); 1773 evcnt_attach_dynamic(&adapter->phy_workev, EVCNT_TYPE_INTR, 1774 NULL, xname, "External PHY event"); 1775 1776 /* Max number of traffic class is 8 */ 1777 KASSERT(IXGBE_DCB_MAX_TRAFFIC_CLASS == 8); 1778 for (i = 0; i < IXGBE_TC_COUNTER_NUM; i++) { 1779 snprintf(adapter->tcs[i].evnamebuf, 1780 sizeof(adapter->tcs[i].evnamebuf), "%s tc%d", 1781 xname, i); 1782 if (i < __arraycount(stats->mpc)) { 1783 evcnt_attach_dynamic(&stats->mpc[i], 1784 EVCNT_TYPE_MISC, NULL, adapter->tcs[i].evnamebuf, 1785 "RX Missed Packet Count"); 1786 if (hw->mac.type == ixgbe_mac_82598EB) 1787 evcnt_attach_dynamic(&stats->rnbc[i], 1788 EVCNT_TYPE_MISC, NULL, 1789 adapter->tcs[i].evnamebuf, 1790 "Receive No Buffers"); 1791 } 1792 if (i < __arraycount(stats->pxontxc)) { 1793 evcnt_attach_dynamic(&stats->pxontxc[i], 1794 EVCNT_TYPE_MISC, NULL, adapter->tcs[i].evnamebuf, 1795 "pxontxc"); 1796 evcnt_attach_dynamic(&stats->pxonrxc[i], 1797 EVCNT_TYPE_MISC, NULL, adapter->tcs[i].evnamebuf, 1798 "pxonrxc"); 1799 evcnt_attach_dynamic(&stats->pxofftxc[i], 1800 EVCNT_TYPE_MISC, NULL, adapter->tcs[i].evnamebuf, 1801 "pxofftxc"); 1802 evcnt_attach_dynamic(&stats->pxoffrxc[i], 1803 EVCNT_TYPE_MISC, NULL, adapter->tcs[i].evnamebuf, 1804 "pxoffrxc"); 1805 if (hw->mac.type >= ixgbe_mac_82599EB) 1806 evcnt_attach_dynamic(&stats->pxon2offc[i], 1807 EVCNT_TYPE_MISC, NULL, 1808 adapter->tcs[i].evnamebuf, 1809 "pxon2offc"); 1810 } 1811 } 1812 1813 for (i = 0; i < adapter->num_queues; i++, rxr++, txr++) { 1814 #ifdef LRO 1815 struct lro_ctrl *lro = &rxr->lro; 1816 #endif /* LRO */ 1817 1818 snprintf(adapter->queues[i].evnamebuf, 1819 sizeof(adapter->queues[i].evnamebuf), "%s q%d", 1820 xname, i); 1821 snprintf(adapter->queues[i].namebuf, 1822 sizeof(adapter->queues[i].namebuf), "q%d", i); 1823 1824 if ((rnode = ixgbe_sysctl_instance(adapter)) == NULL) { 1825 aprint_error_dev(dev, "could not create sysctl root\n"); 1826 break; 1827 } 1828 1829 if (sysctl_createv(log, 0, &rnode, &rnode, 1830 0, CTLTYPE_NODE, 1831 adapter->queues[i].namebuf, SYSCTL_DESCR("Queue Name"), 1832 NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL) != 0) 1833 break; 1834 1835 if (sysctl_createv(log, 0, &rnode, &cnode, 1836 CTLFLAG_READWRITE, CTLTYPE_INT, 1837 "interrupt_rate", SYSCTL_DESCR("Interrupt Rate"), 1838 ixgbe_sysctl_interrupt_rate_handler, 0, 1839 (void *)&adapter->queues[i], 0, CTL_CREATE, CTL_EOL) != 0) 1840 break; 1841 1842 if (sysctl_createv(log, 0, &rnode, &cnode, 1843 CTLFLAG_READONLY, CTLTYPE_INT, 1844 "txd_head", SYSCTL_DESCR("Transmit Descriptor Head"), 1845 ixgbe_sysctl_tdh_handler, 0, (void *)txr, 1846 0, CTL_CREATE, CTL_EOL) != 0) 1847 break; 1848 1849 if (sysctl_createv(log, 0, &rnode, &cnode, 1850 CTLFLAG_READONLY, CTLTYPE_INT, 1851 "txd_tail", SYSCTL_DESCR("Transmit Descriptor Tail"), 1852 ixgbe_sysctl_tdt_handler, 0, (void *)txr, 1853 0, CTL_CREATE, CTL_EOL) != 0) 1854 break; 1855 1856 evcnt_attach_dynamic(&adapter->queues[i].irqs, EVCNT_TYPE_INTR, 1857 NULL, adapter->queues[i].evnamebuf, "IRQs on queue"); 1858 evcnt_attach_dynamic(&adapter->queues[i].handleq, 1859 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1860 "Handled queue in softint"); 1861 evcnt_attach_dynamic(&adapter->queues[i].req, EVCNT_TYPE_MISC, 1862 NULL, adapter->queues[i].evnamebuf, "Requeued in softint"); 1863 evcnt_attach_dynamic(&txr->tso_tx, EVCNT_TYPE_MISC, 1864 NULL, adapter->queues[i].evnamebuf, "TSO"); 1865 evcnt_attach_dynamic(&txr->no_desc_avail, EVCNT_TYPE_MISC, 1866 NULL, adapter->queues[i].evnamebuf, 1867 "Queue No Descriptor Available"); 1868 evcnt_attach_dynamic(&txr->total_packets, EVCNT_TYPE_MISC, 1869 NULL, adapter->queues[i].evnamebuf, 1870 "Queue Packets Transmitted"); 1871 #ifndef IXGBE_LEGACY_TX 1872 evcnt_attach_dynamic(&txr->pcq_drops, EVCNT_TYPE_MISC, 1873 NULL, adapter->queues[i].evnamebuf, 1874 "Packets dropped in pcq"); 1875 #endif 1876 1877 if (sysctl_createv(log, 0, &rnode, &cnode, 1878 CTLFLAG_READONLY, 1879 CTLTYPE_INT, 1880 "rxd_nxck", SYSCTL_DESCR("Receive Descriptor next to check"), 1881 ixgbe_sysctl_next_to_check_handler, 0, (void *)rxr, 0, 1882 CTL_CREATE, CTL_EOL) != 0) 1883 break; 1884 1885 if (sysctl_createv(log, 0, &rnode, &cnode, 1886 CTLFLAG_READONLY, 1887 CTLTYPE_INT, 1888 "rxd_head", SYSCTL_DESCR("Receive Descriptor Head"), 1889 ixgbe_sysctl_rdh_handler, 0, (void *)rxr, 0, 1890 CTL_CREATE, CTL_EOL) != 0) 1891 break; 1892 1893 if (sysctl_createv(log, 0, &rnode, &cnode, 1894 CTLFLAG_READONLY, 1895 CTLTYPE_INT, 1896 "rxd_tail", SYSCTL_DESCR("Receive Descriptor Tail"), 1897 ixgbe_sysctl_rdt_handler, 0, (void *)rxr, 0, 1898 CTL_CREATE, CTL_EOL) != 0) 1899 break; 1900 1901 if (i < __arraycount(stats->qprc)) { 1902 evcnt_attach_dynamic(&stats->qprc[i], 1903 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1904 "qprc"); 1905 evcnt_attach_dynamic(&stats->qptc[i], 1906 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1907 "qptc"); 1908 evcnt_attach_dynamic(&stats->qbrc[i], 1909 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1910 "qbrc"); 1911 evcnt_attach_dynamic(&stats->qbtc[i], 1912 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1913 "qbtc"); 1914 if (hw->mac.type >= ixgbe_mac_82599EB) 1915 evcnt_attach_dynamic(&stats->qprdc[i], 1916 EVCNT_TYPE_MISC, NULL, 1917 adapter->queues[i].evnamebuf, "qprdc"); 1918 } 1919 1920 evcnt_attach_dynamic(&rxr->rx_packets, EVCNT_TYPE_MISC, 1921 NULL, adapter->queues[i].evnamebuf, "Queue Packets Received"); 1922 evcnt_attach_dynamic(&rxr->rx_bytes, EVCNT_TYPE_MISC, 1923 NULL, adapter->queues[i].evnamebuf, "Queue Bytes Received"); 1924 evcnt_attach_dynamic(&rxr->rx_copies, EVCNT_TYPE_MISC, 1925 NULL, adapter->queues[i].evnamebuf, "Copied RX Frames"); 1926 evcnt_attach_dynamic(&rxr->no_jmbuf, EVCNT_TYPE_MISC, 1927 NULL, adapter->queues[i].evnamebuf, "Rx no jumbo mbuf"); 1928 evcnt_attach_dynamic(&rxr->rx_discarded, EVCNT_TYPE_MISC, 1929 NULL, adapter->queues[i].evnamebuf, "Rx discarded"); 1930 #ifdef LRO 1931 SYSCTL_ADD_INT(ctx, queue_list, OID_AUTO, "lro_queued", 1932 CTLFLAG_RD, &lro->lro_queued, 0, 1933 "LRO Queued"); 1934 SYSCTL_ADD_INT(ctx, queue_list, OID_AUTO, "lro_flushed", 1935 CTLFLAG_RD, &lro->lro_flushed, 0, 1936 "LRO Flushed"); 1937 #endif /* LRO */ 1938 } 1939 1940 /* MAC stats get their own sub node */ 1941 1942 snprintf(stats->namebuf, 1943 sizeof(stats->namebuf), "%s MAC Statistics", xname); 1944 1945 evcnt_attach_dynamic(&stats->ipcs, EVCNT_TYPE_MISC, NULL, 1946 stats->namebuf, "rx csum offload - IP"); 1947 evcnt_attach_dynamic(&stats->l4cs, EVCNT_TYPE_MISC, NULL, 1948 stats->namebuf, "rx csum offload - L4"); 1949 evcnt_attach_dynamic(&stats->ipcs_bad, EVCNT_TYPE_MISC, NULL, 1950 stats->namebuf, "rx csum offload - IP bad"); 1951 evcnt_attach_dynamic(&stats->l4cs_bad, EVCNT_TYPE_MISC, NULL, 1952 stats->namebuf, "rx csum offload - L4 bad"); 1953 evcnt_attach_dynamic(&stats->intzero, EVCNT_TYPE_MISC, NULL, 1954 stats->namebuf, "Interrupt conditions zero"); 1955 evcnt_attach_dynamic(&stats->legint, EVCNT_TYPE_MISC, NULL, 1956 stats->namebuf, "Legacy interrupts"); 1957 1958 evcnt_attach_dynamic(&stats->crcerrs, EVCNT_TYPE_MISC, NULL, 1959 stats->namebuf, "CRC Errors"); 1960 evcnt_attach_dynamic(&stats->illerrc, EVCNT_TYPE_MISC, NULL, 1961 stats->namebuf, "Illegal Byte Errors"); 1962 evcnt_attach_dynamic(&stats->errbc, EVCNT_TYPE_MISC, NULL, 1963 stats->namebuf, "Byte Errors"); 1964 evcnt_attach_dynamic(&stats->mspdc, EVCNT_TYPE_MISC, NULL, 1965 stats->namebuf, "MAC Short Packets Discarded"); 1966 if (hw->mac.type >= ixgbe_mac_X550) 1967 evcnt_attach_dynamic(&stats->mbsdc, EVCNT_TYPE_MISC, NULL, 1968 stats->namebuf, "Bad SFD"); 1969 evcnt_attach_dynamic(&stats->mpctotal, EVCNT_TYPE_MISC, NULL, 1970 stats->namebuf, "Total Packets Missed"); 1971 evcnt_attach_dynamic(&stats->mlfc, EVCNT_TYPE_MISC, NULL, 1972 stats->namebuf, "MAC Local Faults"); 1973 evcnt_attach_dynamic(&stats->mrfc, EVCNT_TYPE_MISC, NULL, 1974 stats->namebuf, "MAC Remote Faults"); 1975 evcnt_attach_dynamic(&stats->rlec, EVCNT_TYPE_MISC, NULL, 1976 stats->namebuf, "Receive Length Errors"); 1977 evcnt_attach_dynamic(&stats->lxontxc, EVCNT_TYPE_MISC, NULL, 1978 stats->namebuf, "Link XON Transmitted"); 1979 evcnt_attach_dynamic(&stats->lxonrxc, EVCNT_TYPE_MISC, NULL, 1980 stats->namebuf, "Link XON Received"); 1981 evcnt_attach_dynamic(&stats->lxofftxc, EVCNT_TYPE_MISC, NULL, 1982 stats->namebuf, "Link XOFF Transmitted"); 1983 evcnt_attach_dynamic(&stats->lxoffrxc, EVCNT_TYPE_MISC, NULL, 1984 stats->namebuf, "Link XOFF Received"); 1985 1986 /* Packet Reception Stats */ 1987 evcnt_attach_dynamic(&stats->tor, EVCNT_TYPE_MISC, NULL, 1988 stats->namebuf, "Total Octets Received"); 1989 evcnt_attach_dynamic(&stats->gorc, EVCNT_TYPE_MISC, NULL, 1990 stats->namebuf, "Good Octets Received"); 1991 evcnt_attach_dynamic(&stats->tpr, EVCNT_TYPE_MISC, NULL, 1992 stats->namebuf, "Total Packets Received"); 1993 evcnt_attach_dynamic(&stats->gprc, EVCNT_TYPE_MISC, NULL, 1994 stats->namebuf, "Good Packets Received"); 1995 evcnt_attach_dynamic(&stats->mprc, EVCNT_TYPE_MISC, NULL, 1996 stats->namebuf, "Multicast Packets Received"); 1997 evcnt_attach_dynamic(&stats->bprc, EVCNT_TYPE_MISC, NULL, 1998 stats->namebuf, "Broadcast Packets Received"); 1999 evcnt_attach_dynamic(&stats->prc64, EVCNT_TYPE_MISC, NULL, 2000 stats->namebuf, "64 byte frames received "); 2001 evcnt_attach_dynamic(&stats->prc127, EVCNT_TYPE_MISC, NULL, 2002 stats->namebuf, "65-127 byte frames received"); 2003 evcnt_attach_dynamic(&stats->prc255, EVCNT_TYPE_MISC, NULL, 2004 stats->namebuf, "128-255 byte frames received"); 2005 evcnt_attach_dynamic(&stats->prc511, EVCNT_TYPE_MISC, NULL, 2006 stats->namebuf, "256-511 byte frames received"); 2007 evcnt_attach_dynamic(&stats->prc1023, EVCNT_TYPE_MISC, NULL, 2008 stats->namebuf, "512-1023 byte frames received"); 2009 evcnt_attach_dynamic(&stats->prc1522, EVCNT_TYPE_MISC, NULL, 2010 stats->namebuf, "1023-1522 byte frames received"); 2011 evcnt_attach_dynamic(&stats->ruc, EVCNT_TYPE_MISC, NULL, 2012 stats->namebuf, "Receive Undersized"); 2013 evcnt_attach_dynamic(&stats->rfc, EVCNT_TYPE_MISC, NULL, 2014 stats->namebuf, "Fragmented Packets Received "); 2015 evcnt_attach_dynamic(&stats->roc, EVCNT_TYPE_MISC, NULL, 2016 stats->namebuf, "Oversized Packets Received"); 2017 evcnt_attach_dynamic(&stats->rjc, EVCNT_TYPE_MISC, NULL, 2018 stats->namebuf, "Received Jabber"); 2019 evcnt_attach_dynamic(&stats->mngprc, EVCNT_TYPE_MISC, NULL, 2020 stats->namebuf, "Management Packets Received"); 2021 evcnt_attach_dynamic(&stats->mngpdc, EVCNT_TYPE_MISC, NULL, 2022 stats->namebuf, "Management Packets Dropped"); 2023 evcnt_attach_dynamic(&stats->xec, EVCNT_TYPE_MISC, NULL, 2024 stats->namebuf, "Checksum Errors"); 2025 2026 /* Packet Transmission Stats */ 2027 evcnt_attach_dynamic(&stats->gotc, EVCNT_TYPE_MISC, NULL, 2028 stats->namebuf, "Good Octets Transmitted"); 2029 evcnt_attach_dynamic(&stats->tpt, EVCNT_TYPE_MISC, NULL, 2030 stats->namebuf, "Total Packets Transmitted"); 2031 evcnt_attach_dynamic(&stats->gptc, EVCNT_TYPE_MISC, NULL, 2032 stats->namebuf, "Good Packets Transmitted"); 2033 evcnt_attach_dynamic(&stats->bptc, EVCNT_TYPE_MISC, NULL, 2034 stats->namebuf, "Broadcast Packets Transmitted"); 2035 evcnt_attach_dynamic(&stats->mptc, EVCNT_TYPE_MISC, NULL, 2036 stats->namebuf, "Multicast Packets Transmitted"); 2037 evcnt_attach_dynamic(&stats->mngptc, EVCNT_TYPE_MISC, NULL, 2038 stats->namebuf, "Management Packets Transmitted"); 2039 evcnt_attach_dynamic(&stats->ptc64, EVCNT_TYPE_MISC, NULL, 2040 stats->namebuf, "64 byte frames transmitted "); 2041 evcnt_attach_dynamic(&stats->ptc127, EVCNT_TYPE_MISC, NULL, 2042 stats->namebuf, "65-127 byte frames transmitted"); 2043 evcnt_attach_dynamic(&stats->ptc255, EVCNT_TYPE_MISC, NULL, 2044 stats->namebuf, "128-255 byte frames transmitted"); 2045 evcnt_attach_dynamic(&stats->ptc511, EVCNT_TYPE_MISC, NULL, 2046 stats->namebuf, "256-511 byte frames transmitted"); 2047 evcnt_attach_dynamic(&stats->ptc1023, EVCNT_TYPE_MISC, NULL, 2048 stats->namebuf, "512-1023 byte frames transmitted"); 2049 evcnt_attach_dynamic(&stats->ptc1522, EVCNT_TYPE_MISC, NULL, 2050 stats->namebuf, "1024-1522 byte frames transmitted"); 2051 } /* ixgbe_add_hw_stats */ 2052 2053 static void 2054 ixgbe_clear_evcnt(struct adapter *adapter) 2055 { 2056 struct tx_ring *txr = adapter->tx_rings; 2057 struct rx_ring *rxr = adapter->rx_rings; 2058 struct ixgbe_hw *hw = &adapter->hw; 2059 struct ixgbe_hw_stats *stats = &adapter->stats.pf; 2060 int i; 2061 2062 adapter->efbig_tx_dma_setup.ev_count = 0; 2063 adapter->mbuf_defrag_failed.ev_count = 0; 2064 adapter->efbig2_tx_dma_setup.ev_count = 0; 2065 adapter->einval_tx_dma_setup.ev_count = 0; 2066 adapter->other_tx_dma_setup.ev_count = 0; 2067 adapter->eagain_tx_dma_setup.ev_count = 0; 2068 adapter->enomem_tx_dma_setup.ev_count = 0; 2069 adapter->tso_err.ev_count = 0; 2070 adapter->watchdog_events.ev_count = 0; 2071 adapter->admin_irqev.ev_count = 0; 2072 adapter->link_workev.ev_count = 0; 2073 adapter->mod_workev.ev_count = 0; 2074 adapter->msf_workev.ev_count = 0; 2075 adapter->phy_workev.ev_count = 0; 2076 2077 for (i = 0; i < IXGBE_TC_COUNTER_NUM; i++) { 2078 if (i < __arraycount(stats->mpc)) { 2079 stats->mpc[i].ev_count = 0; 2080 if (hw->mac.type == ixgbe_mac_82598EB) 2081 stats->rnbc[i].ev_count = 0; 2082 } 2083 if (i < __arraycount(stats->pxontxc)) { 2084 stats->pxontxc[i].ev_count = 0; 2085 stats->pxonrxc[i].ev_count = 0; 2086 stats->pxofftxc[i].ev_count = 0; 2087 stats->pxoffrxc[i].ev_count = 0; 2088 if (hw->mac.type >= ixgbe_mac_82599EB) 2089 stats->pxon2offc[i].ev_count = 0; 2090 } 2091 } 2092 2093 txr = adapter->tx_rings; 2094 for (i = 0; i < adapter->num_queues; i++, rxr++, txr++) { 2095 adapter->queues[i].irqs.ev_count = 0; 2096 adapter->queues[i].handleq.ev_count = 0; 2097 adapter->queues[i].req.ev_count = 0; 2098 txr->no_desc_avail.ev_count = 0; 2099 txr->total_packets.ev_count = 0; 2100 txr->tso_tx.ev_count = 0; 2101 #ifndef IXGBE_LEGACY_TX 2102 txr->pcq_drops.ev_count = 0; 2103 #endif 2104 txr->q_efbig_tx_dma_setup = 0; 2105 txr->q_mbuf_defrag_failed = 0; 2106 txr->q_efbig2_tx_dma_setup = 0; 2107 txr->q_einval_tx_dma_setup = 0; 2108 txr->q_other_tx_dma_setup = 0; 2109 txr->q_eagain_tx_dma_setup = 0; 2110 txr->q_enomem_tx_dma_setup = 0; 2111 txr->q_tso_err = 0; 2112 2113 if (i < __arraycount(stats->qprc)) { 2114 stats->qprc[i].ev_count = 0; 2115 stats->qptc[i].ev_count = 0; 2116 stats->qbrc[i].ev_count = 0; 2117 stats->qbtc[i].ev_count = 0; 2118 if (hw->mac.type >= ixgbe_mac_82599EB) 2119 stats->qprdc[i].ev_count = 0; 2120 } 2121 2122 rxr->rx_packets.ev_count = 0; 2123 rxr->rx_bytes.ev_count = 0; 2124 rxr->rx_copies.ev_count = 0; 2125 rxr->no_jmbuf.ev_count = 0; 2126 rxr->rx_discarded.ev_count = 0; 2127 } 2128 stats->ipcs.ev_count = 0; 2129 stats->l4cs.ev_count = 0; 2130 stats->ipcs_bad.ev_count = 0; 2131 stats->l4cs_bad.ev_count = 0; 2132 stats->intzero.ev_count = 0; 2133 stats->legint.ev_count = 0; 2134 stats->crcerrs.ev_count = 0; 2135 stats->illerrc.ev_count = 0; 2136 stats->errbc.ev_count = 0; 2137 stats->mspdc.ev_count = 0; 2138 if (hw->mac.type >= ixgbe_mac_X550) 2139 stats->mbsdc.ev_count = 0; 2140 stats->mpctotal.ev_count = 0; 2141 stats->mlfc.ev_count = 0; 2142 stats->mrfc.ev_count = 0; 2143 stats->rlec.ev_count = 0; 2144 stats->lxontxc.ev_count = 0; 2145 stats->lxonrxc.ev_count = 0; 2146 stats->lxofftxc.ev_count = 0; 2147 stats->lxoffrxc.ev_count = 0; 2148 2149 /* Packet Reception Stats */ 2150 stats->tor.ev_count = 0; 2151 stats->gorc.ev_count = 0; 2152 stats->tpr.ev_count = 0; 2153 stats->gprc.ev_count = 0; 2154 stats->mprc.ev_count = 0; 2155 stats->bprc.ev_count = 0; 2156 stats->prc64.ev_count = 0; 2157 stats->prc127.ev_count = 0; 2158 stats->prc255.ev_count = 0; 2159 stats->prc511.ev_count = 0; 2160 stats->prc1023.ev_count = 0; 2161 stats->prc1522.ev_count = 0; 2162 stats->ruc.ev_count = 0; 2163 stats->rfc.ev_count = 0; 2164 stats->roc.ev_count = 0; 2165 stats->rjc.ev_count = 0; 2166 stats->mngprc.ev_count = 0; 2167 stats->mngpdc.ev_count = 0; 2168 stats->xec.ev_count = 0; 2169 2170 /* Packet Transmission Stats */ 2171 stats->gotc.ev_count = 0; 2172 stats->tpt.ev_count = 0; 2173 stats->gptc.ev_count = 0; 2174 stats->bptc.ev_count = 0; 2175 stats->mptc.ev_count = 0; 2176 stats->mngptc.ev_count = 0; 2177 stats->ptc64.ev_count = 0; 2178 stats->ptc127.ev_count = 0; 2179 stats->ptc255.ev_count = 0; 2180 stats->ptc511.ev_count = 0; 2181 stats->ptc1023.ev_count = 0; 2182 stats->ptc1522.ev_count = 0; 2183 } 2184 2185 /************************************************************************ 2186 * ixgbe_sysctl_tdh_handler - Transmit Descriptor Head handler function 2187 * 2188 * Retrieves the TDH value from the hardware 2189 ************************************************************************/ 2190 static int 2191 ixgbe_sysctl_tdh_handler(SYSCTLFN_ARGS) 2192 { 2193 struct sysctlnode node = *rnode; 2194 struct tx_ring *txr = (struct tx_ring *)node.sysctl_data; 2195 struct adapter *adapter; 2196 uint32_t val; 2197 2198 if (!txr) 2199 return (0); 2200 2201 adapter = txr->adapter; 2202 if (ixgbe_fw_recovery_mode_swflag(adapter)) 2203 return (EPERM); 2204 2205 val = IXGBE_READ_REG(&adapter->hw, IXGBE_TDH(txr->me)); 2206 node.sysctl_data = &val; 2207 return sysctl_lookup(SYSCTLFN_CALL(&node)); 2208 } /* ixgbe_sysctl_tdh_handler */ 2209 2210 /************************************************************************ 2211 * ixgbe_sysctl_tdt_handler - Transmit Descriptor Tail handler function 2212 * 2213 * Retrieves the TDT value from the hardware 2214 ************************************************************************/ 2215 static int 2216 ixgbe_sysctl_tdt_handler(SYSCTLFN_ARGS) 2217 { 2218 struct sysctlnode node = *rnode; 2219 struct tx_ring *txr = (struct tx_ring *)node.sysctl_data; 2220 struct adapter *adapter; 2221 uint32_t val; 2222 2223 if (!txr) 2224 return (0); 2225 2226 adapter = txr->adapter; 2227 if (ixgbe_fw_recovery_mode_swflag(adapter)) 2228 return (EPERM); 2229 2230 val = IXGBE_READ_REG(&adapter->hw, IXGBE_TDT(txr->me)); 2231 node.sysctl_data = &val; 2232 return sysctl_lookup(SYSCTLFN_CALL(&node)); 2233 } /* ixgbe_sysctl_tdt_handler */ 2234 2235 /************************************************************************ 2236 * ixgbe_sysctl_next_to_check_handler - Receive Descriptor next to check 2237 * handler function 2238 * 2239 * Retrieves the next_to_check value 2240 ************************************************************************/ 2241 static int 2242 ixgbe_sysctl_next_to_check_handler(SYSCTLFN_ARGS) 2243 { 2244 struct sysctlnode node = *rnode; 2245 struct rx_ring *rxr = (struct rx_ring *)node.sysctl_data; 2246 struct adapter *adapter; 2247 uint32_t val; 2248 2249 if (!rxr) 2250 return (0); 2251 2252 adapter = rxr->adapter; 2253 if (ixgbe_fw_recovery_mode_swflag(adapter)) 2254 return (EPERM); 2255 2256 val = rxr->next_to_check; 2257 node.sysctl_data = &val; 2258 return sysctl_lookup(SYSCTLFN_CALL(&node)); 2259 } /* ixgbe_sysctl_next_to_check_handler */ 2260 2261 /************************************************************************ 2262 * ixgbe_sysctl_rdh_handler - Receive Descriptor Head handler function 2263 * 2264 * Retrieves the RDH value from the hardware 2265 ************************************************************************/ 2266 static int 2267 ixgbe_sysctl_rdh_handler(SYSCTLFN_ARGS) 2268 { 2269 struct sysctlnode node = *rnode; 2270 struct rx_ring *rxr = (struct rx_ring *)node.sysctl_data; 2271 struct adapter *adapter; 2272 uint32_t val; 2273 2274 if (!rxr) 2275 return (0); 2276 2277 adapter = rxr->adapter; 2278 if (ixgbe_fw_recovery_mode_swflag(adapter)) 2279 return (EPERM); 2280 2281 val = IXGBE_READ_REG(&adapter->hw, IXGBE_RDH(rxr->me)); 2282 node.sysctl_data = &val; 2283 return sysctl_lookup(SYSCTLFN_CALL(&node)); 2284 } /* ixgbe_sysctl_rdh_handler */ 2285 2286 /************************************************************************ 2287 * ixgbe_sysctl_rdt_handler - Receive Descriptor Tail handler function 2288 * 2289 * Retrieves the RDT value from the hardware 2290 ************************************************************************/ 2291 static int 2292 ixgbe_sysctl_rdt_handler(SYSCTLFN_ARGS) 2293 { 2294 struct sysctlnode node = *rnode; 2295 struct rx_ring *rxr = (struct rx_ring *)node.sysctl_data; 2296 struct adapter *adapter; 2297 uint32_t val; 2298 2299 if (!rxr) 2300 return (0); 2301 2302 adapter = rxr->adapter; 2303 if (ixgbe_fw_recovery_mode_swflag(adapter)) 2304 return (EPERM); 2305 2306 val = IXGBE_READ_REG(&adapter->hw, IXGBE_RDT(rxr->me)); 2307 node.sysctl_data = &val; 2308 return sysctl_lookup(SYSCTLFN_CALL(&node)); 2309 } /* ixgbe_sysctl_rdt_handler */ 2310 2311 static int 2312 ixgbe_vlan_cb(struct ethercom *ec, uint16_t vid, bool set) 2313 { 2314 struct ifnet *ifp = &ec->ec_if; 2315 struct adapter *adapter = ifp->if_softc; 2316 int rv; 2317 2318 if (set) 2319 rv = ixgbe_register_vlan(adapter, vid); 2320 else 2321 rv = ixgbe_unregister_vlan(adapter, vid); 2322 2323 if (rv != 0) 2324 return rv; 2325 2326 /* 2327 * Control VLAN HW tagging when ec_nvlan is changed from 1 to 0 2328 * or 0 to 1. 2329 */ 2330 if ((set && (ec->ec_nvlans == 1)) || (!set && (ec->ec_nvlans == 0))) 2331 ixgbe_setup_vlan_hw_tagging(adapter); 2332 2333 return rv; 2334 } 2335 2336 /************************************************************************ 2337 * ixgbe_register_vlan 2338 * 2339 * Run via vlan config EVENT, it enables us to use the 2340 * HW Filter table since we can get the vlan id. This 2341 * just creates the entry in the soft version of the 2342 * VFTA, init will repopulate the real table. 2343 ************************************************************************/ 2344 static int 2345 ixgbe_register_vlan(struct adapter *adapter, u16 vtag) 2346 { 2347 u16 index, bit; 2348 int error; 2349 2350 if ((vtag == 0) || (vtag > 4095)) /* Invalid */ 2351 return EINVAL; 2352 2353 IXGBE_CORE_LOCK(adapter); 2354 index = (vtag >> 5) & 0x7F; 2355 bit = vtag & 0x1F; 2356 adapter->shadow_vfta[index] |= ((u32)1 << bit); 2357 error = adapter->hw.mac.ops.set_vfta(&adapter->hw, vtag, 0, true, 2358 true); 2359 IXGBE_CORE_UNLOCK(adapter); 2360 if (error != 0) 2361 error = EACCES; 2362 2363 return error; 2364 } /* ixgbe_register_vlan */ 2365 2366 /************************************************************************ 2367 * ixgbe_unregister_vlan 2368 * 2369 * Run via vlan unconfig EVENT, remove our entry in the soft vfta. 2370 ************************************************************************/ 2371 static int 2372 ixgbe_unregister_vlan(struct adapter *adapter, u16 vtag) 2373 { 2374 u16 index, bit; 2375 int error; 2376 2377 if ((vtag == 0) || (vtag > 4095)) /* Invalid */ 2378 return EINVAL; 2379 2380 IXGBE_CORE_LOCK(adapter); 2381 index = (vtag >> 5) & 0x7F; 2382 bit = vtag & 0x1F; 2383 adapter->shadow_vfta[index] &= ~((u32)1 << bit); 2384 error = adapter->hw.mac.ops.set_vfta(&adapter->hw, vtag, 0, false, 2385 true); 2386 IXGBE_CORE_UNLOCK(adapter); 2387 if (error != 0) 2388 error = EACCES; 2389 2390 return error; 2391 } /* ixgbe_unregister_vlan */ 2392 2393 static void 2394 ixgbe_setup_vlan_hw_tagging(struct adapter *adapter) 2395 { 2396 struct ethercom *ec = &adapter->osdep.ec; 2397 struct ixgbe_hw *hw = &adapter->hw; 2398 struct rx_ring *rxr; 2399 u32 ctrl; 2400 int i; 2401 bool hwtagging; 2402 2403 /* Enable HW tagging only if any vlan is attached */ 2404 hwtagging = (ec->ec_capenable & ETHERCAP_VLAN_HWTAGGING) 2405 && VLAN_ATTACHED(ec); 2406 2407 /* Setup the queues for vlans */ 2408 for (i = 0; i < adapter->num_queues; i++) { 2409 rxr = &adapter->rx_rings[i]; 2410 /* 2411 * On 82599 and later, the VLAN enable is per/queue in RXDCTL. 2412 */ 2413 if (hw->mac.type != ixgbe_mac_82598EB) { 2414 ctrl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(rxr->me)); 2415 if (hwtagging) 2416 ctrl |= IXGBE_RXDCTL_VME; 2417 else 2418 ctrl &= ~IXGBE_RXDCTL_VME; 2419 IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(rxr->me), ctrl); 2420 } 2421 rxr->vtag_strip = hwtagging ? TRUE : FALSE; 2422 } 2423 2424 /* VLAN hw tagging for 82598 */ 2425 if (hw->mac.type == ixgbe_mac_82598EB) { 2426 ctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL); 2427 if (hwtagging) 2428 ctrl |= IXGBE_VLNCTRL_VME; 2429 else 2430 ctrl &= ~IXGBE_VLNCTRL_VME; 2431 IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, ctrl); 2432 } 2433 } /* ixgbe_setup_vlan_hw_tagging */ 2434 2435 static void 2436 ixgbe_setup_vlan_hw_support(struct adapter *adapter) 2437 { 2438 struct ethercom *ec = &adapter->osdep.ec; 2439 struct ixgbe_hw *hw = &adapter->hw; 2440 int i; 2441 u32 ctrl; 2442 struct vlanid_list *vlanidp; 2443 2444 /* 2445 * This function is called from both if_init and ifflags_cb() 2446 * on NetBSD. 2447 */ 2448 2449 /* 2450 * Part 1: 2451 * Setup VLAN HW tagging 2452 */ 2453 ixgbe_setup_vlan_hw_tagging(adapter); 2454 2455 /* 2456 * Part 2: 2457 * Setup VLAN HW filter 2458 */ 2459 /* Cleanup shadow_vfta */ 2460 for (i = 0; i < IXGBE_VFTA_SIZE; i++) 2461 adapter->shadow_vfta[i] = 0; 2462 /* Generate shadow_vfta from ec_vids */ 2463 ETHER_LOCK(ec); 2464 SIMPLEQ_FOREACH(vlanidp, &ec->ec_vids, vid_list) { 2465 uint32_t idx; 2466 2467 idx = vlanidp->vid / 32; 2468 KASSERT(idx < IXGBE_VFTA_SIZE); 2469 adapter->shadow_vfta[idx] |= (u32)1 << (vlanidp->vid % 32); 2470 } 2471 ETHER_UNLOCK(ec); 2472 for (i = 0; i < IXGBE_VFTA_SIZE; i++) 2473 IXGBE_WRITE_REG(hw, IXGBE_VFTA(i), adapter->shadow_vfta[i]); 2474 2475 ctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL); 2476 /* Enable the Filter Table if enabled */ 2477 if (ec->ec_capenable & ETHERCAP_VLAN_HWFILTER) 2478 ctrl |= IXGBE_VLNCTRL_VFE; 2479 else 2480 ctrl &= ~IXGBE_VLNCTRL_VFE; 2481 IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, ctrl); 2482 } /* ixgbe_setup_vlan_hw_support */ 2483 2484 /************************************************************************ 2485 * ixgbe_get_slot_info 2486 * 2487 * Get the width and transaction speed of 2488 * the slot this adapter is plugged into. 2489 ************************************************************************/ 2490 static void 2491 ixgbe_get_slot_info(struct adapter *adapter) 2492 { 2493 device_t dev = adapter->dev; 2494 struct ixgbe_hw *hw = &adapter->hw; 2495 u32 offset; 2496 u16 link; 2497 int bus_info_valid = TRUE; 2498 2499 /* Some devices are behind an internal bridge */ 2500 switch (hw->device_id) { 2501 case IXGBE_DEV_ID_82599_SFP_SF_QP: 2502 case IXGBE_DEV_ID_82599_QSFP_SF_QP: 2503 goto get_parent_info; 2504 default: 2505 break; 2506 } 2507 2508 ixgbe_get_bus_info(hw); 2509 2510 /* 2511 * Some devices don't use PCI-E, but there is no need 2512 * to display "Unknown" for bus speed and width. 2513 */ 2514 switch (hw->mac.type) { 2515 case ixgbe_mac_X550EM_x: 2516 case ixgbe_mac_X550EM_a: 2517 return; 2518 default: 2519 goto display; 2520 } 2521 2522 get_parent_info: 2523 /* 2524 * For the Quad port adapter we need to parse back 2525 * up the PCI tree to find the speed of the expansion 2526 * slot into which this adapter is plugged. A bit more work. 2527 */ 2528 dev = device_parent(device_parent(dev)); 2529 #if 0 2530 #ifdef IXGBE_DEBUG 2531 device_printf(dev, "parent pcib = %x,%x,%x\n", pci_get_bus(dev), 2532 pci_get_slot(dev), pci_get_function(dev)); 2533 #endif 2534 dev = device_parent(device_parent(dev)); 2535 #ifdef IXGBE_DEBUG 2536 device_printf(dev, "slot pcib = %x,%x,%x\n", pci_get_bus(dev), 2537 pci_get_slot(dev), pci_get_function(dev)); 2538 #endif 2539 #endif 2540 /* Now get the PCI Express Capabilities offset */ 2541 if (pci_get_capability(adapter->osdep.pc, adapter->osdep.tag, 2542 PCI_CAP_PCIEXPRESS, &offset, NULL)) { 2543 /* 2544 * Hmm...can't get PCI-Express capabilities. 2545 * Falling back to default method. 2546 */ 2547 bus_info_valid = FALSE; 2548 ixgbe_get_bus_info(hw); 2549 goto display; 2550 } 2551 /* ...and read the Link Status Register */ 2552 link = pci_conf_read(adapter->osdep.pc, adapter->osdep.tag, 2553 offset + PCIE_LCSR) >> 16; 2554 ixgbe_set_pci_config_data_generic(hw, link); 2555 2556 display: 2557 device_printf(dev, "PCI Express Bus: Speed %s Width %s\n", 2558 ((hw->bus.speed == ixgbe_bus_speed_8000) ? "8.0GT/s" : 2559 (hw->bus.speed == ixgbe_bus_speed_5000) ? "5.0GT/s" : 2560 (hw->bus.speed == ixgbe_bus_speed_2500) ? "2.5GT/s" : 2561 "Unknown"), 2562 ((hw->bus.width == ixgbe_bus_width_pcie_x8) ? "x8" : 2563 (hw->bus.width == ixgbe_bus_width_pcie_x4) ? "x4" : 2564 (hw->bus.width == ixgbe_bus_width_pcie_x1) ? "x1" : 2565 "Unknown")); 2566 2567 if (bus_info_valid) { 2568 if ((hw->device_id != IXGBE_DEV_ID_82599_SFP_SF_QP) && 2569 ((hw->bus.width <= ixgbe_bus_width_pcie_x4) && 2570 (hw->bus.speed == ixgbe_bus_speed_2500))) { 2571 device_printf(dev, "PCI-Express bandwidth available" 2572 " for this card\n is not sufficient for" 2573 " optimal performance.\n"); 2574 device_printf(dev, "For optimal performance a x8 " 2575 "PCIE, or x4 PCIE Gen2 slot is required.\n"); 2576 } 2577 if ((hw->device_id == IXGBE_DEV_ID_82599_SFP_SF_QP) && 2578 ((hw->bus.width <= ixgbe_bus_width_pcie_x8) && 2579 (hw->bus.speed < ixgbe_bus_speed_8000))) { 2580 device_printf(dev, "PCI-Express bandwidth available" 2581 " for this card\n is not sufficient for" 2582 " optimal performance.\n"); 2583 device_printf(dev, "For optimal performance a x8 " 2584 "PCIE Gen3 slot is required.\n"); 2585 } 2586 } else 2587 device_printf(dev, "Unable to determine slot speed/width. The speed/width reported are that of the internal switch.\n"); 2588 2589 return; 2590 } /* ixgbe_get_slot_info */ 2591 2592 /************************************************************************ 2593 * ixgbe_enable_queue - MSI-X Interrupt Handlers and Tasklets 2594 ************************************************************************/ 2595 static inline void 2596 ixgbe_enable_queue(struct adapter *adapter, u32 vector) 2597 { 2598 struct ixgbe_hw *hw = &adapter->hw; 2599 struct ix_queue *que = &adapter->queues[vector]; 2600 u64 queue = 1ULL << vector; 2601 u32 mask; 2602 2603 mutex_enter(&que->dc_mtx); 2604 if (que->disabled_count > 0 && --que->disabled_count > 0) 2605 goto out; 2606 2607 if (hw->mac.type == ixgbe_mac_82598EB) { 2608 mask = (IXGBE_EIMS_RTX_QUEUE & queue); 2609 IXGBE_WRITE_REG(hw, IXGBE_EIMS, mask); 2610 } else { 2611 mask = (queue & 0xFFFFFFFF); 2612 if (mask) 2613 IXGBE_WRITE_REG(hw, IXGBE_EIMS_EX(0), mask); 2614 mask = (queue >> 32); 2615 if (mask) 2616 IXGBE_WRITE_REG(hw, IXGBE_EIMS_EX(1), mask); 2617 } 2618 out: 2619 mutex_exit(&que->dc_mtx); 2620 } /* ixgbe_enable_queue */ 2621 2622 /************************************************************************ 2623 * ixgbe_disable_queue_internal 2624 ************************************************************************/ 2625 static inline void 2626 ixgbe_disable_queue_internal(struct adapter *adapter, u32 vector, bool nestok) 2627 { 2628 struct ixgbe_hw *hw = &adapter->hw; 2629 struct ix_queue *que = &adapter->queues[vector]; 2630 u64 queue = 1ULL << vector; 2631 u32 mask; 2632 2633 mutex_enter(&que->dc_mtx); 2634 2635 if (que->disabled_count > 0) { 2636 if (nestok) 2637 que->disabled_count++; 2638 goto out; 2639 } 2640 que->disabled_count++; 2641 2642 if (hw->mac.type == ixgbe_mac_82598EB) { 2643 mask = (IXGBE_EIMS_RTX_QUEUE & queue); 2644 IXGBE_WRITE_REG(hw, IXGBE_EIMC, mask); 2645 } else { 2646 mask = (queue & 0xFFFFFFFF); 2647 if (mask) 2648 IXGBE_WRITE_REG(hw, IXGBE_EIMC_EX(0), mask); 2649 mask = (queue >> 32); 2650 if (mask) 2651 IXGBE_WRITE_REG(hw, IXGBE_EIMC_EX(1), mask); 2652 } 2653 out: 2654 mutex_exit(&que->dc_mtx); 2655 } /* ixgbe_disable_queue_internal */ 2656 2657 /************************************************************************ 2658 * ixgbe_disable_queue 2659 ************************************************************************/ 2660 static inline void 2661 ixgbe_disable_queue(struct adapter *adapter, u32 vector) 2662 { 2663 2664 ixgbe_disable_queue_internal(adapter, vector, true); 2665 } /* ixgbe_disable_queue */ 2666 2667 /************************************************************************ 2668 * ixgbe_sched_handle_que - schedule deferred packet processing 2669 ************************************************************************/ 2670 static inline void 2671 ixgbe_sched_handle_que(struct adapter *adapter, struct ix_queue *que) 2672 { 2673 2674 if (que->txrx_use_workqueue) { 2675 /* 2676 * adapter->que_wq is bound to each CPU instead of 2677 * each NIC queue to reduce workqueue kthread. As we 2678 * should consider about interrupt affinity in this 2679 * function, the workqueue kthread must be WQ_PERCPU. 2680 * If create WQ_PERCPU workqueue kthread for each NIC 2681 * queue, that number of created workqueue kthread is 2682 * (number of used NIC queue) * (number of CPUs) = 2683 * (number of CPUs) ^ 2 most often. 2684 * 2685 * The same NIC queue's interrupts are avoided by 2686 * masking the queue's interrupt. And different 2687 * NIC queue's interrupts use different struct work 2688 * (que->wq_cookie). So, "enqueued flag" to avoid 2689 * twice workqueue_enqueue() is not required . 2690 */ 2691 workqueue_enqueue(adapter->que_wq, &que->wq_cookie, curcpu()); 2692 } else { 2693 softint_schedule(que->que_si); 2694 } 2695 } 2696 2697 /************************************************************************ 2698 * ixgbe_msix_que - MSI-X Queue Interrupt Service routine 2699 ************************************************************************/ 2700 static int 2701 ixgbe_msix_que(void *arg) 2702 { 2703 struct ix_queue *que = arg; 2704 struct adapter *adapter = que->adapter; 2705 struct ifnet *ifp = adapter->ifp; 2706 struct tx_ring *txr = que->txr; 2707 struct rx_ring *rxr = que->rxr; 2708 bool more; 2709 u32 newitr = 0; 2710 2711 /* Protect against spurious interrupts */ 2712 if ((ifp->if_flags & IFF_RUNNING) == 0) 2713 return 0; 2714 2715 ixgbe_disable_queue(adapter, que->msix); 2716 ++que->irqs.ev_count; 2717 2718 /* 2719 * Don't change "que->txrx_use_workqueue" from this point to avoid 2720 * flip-flopping softint/workqueue mode in one deferred processing. 2721 */ 2722 que->txrx_use_workqueue = adapter->txrx_use_workqueue; 2723 2724 #ifdef __NetBSD__ 2725 /* Don't run ixgbe_rxeof in interrupt context */ 2726 more = true; 2727 #else 2728 more = ixgbe_rxeof(que); 2729 #endif 2730 2731 IXGBE_TX_LOCK(txr); 2732 ixgbe_txeof(txr); 2733 IXGBE_TX_UNLOCK(txr); 2734 2735 /* Do AIM now? */ 2736 2737 if (adapter->enable_aim == false) 2738 goto no_calc; 2739 /* 2740 * Do Adaptive Interrupt Moderation: 2741 * - Write out last calculated setting 2742 * - Calculate based on average size over 2743 * the last interval. 2744 */ 2745 if (que->eitr_setting) 2746 ixgbe_eitr_write(adapter, que->msix, que->eitr_setting); 2747 2748 que->eitr_setting = 0; 2749 2750 /* Idle, do nothing */ 2751 if ((txr->bytes == 0) && (rxr->bytes == 0)) 2752 goto no_calc; 2753 2754 if ((txr->bytes) && (txr->packets)) 2755 newitr = txr->bytes/txr->packets; 2756 if ((rxr->bytes) && (rxr->packets)) 2757 newitr = uimax(newitr, (rxr->bytes / rxr->packets)); 2758 newitr += 24; /* account for hardware frame, crc */ 2759 2760 /* set an upper boundary */ 2761 newitr = uimin(newitr, 3000); 2762 2763 /* Be nice to the mid range */ 2764 if ((newitr > 300) && (newitr < 1200)) 2765 newitr = (newitr / 3); 2766 else 2767 newitr = (newitr / 2); 2768 2769 /* 2770 * When RSC is used, ITR interval must be larger than RSC_DELAY. 2771 * Currently, we use 2us for RSC_DELAY. The minimum value is always 2772 * greater than 2us on 100M (and 10M?(not documented)), but it's not 2773 * on 1G and higher. 2774 */ 2775 if ((adapter->link_speed != IXGBE_LINK_SPEED_100_FULL) 2776 && (adapter->link_speed != IXGBE_LINK_SPEED_10_FULL)) { 2777 if (newitr < IXGBE_MIN_RSC_EITR_10G1G) 2778 newitr = IXGBE_MIN_RSC_EITR_10G1G; 2779 } 2780 2781 /* save for next interrupt */ 2782 que->eitr_setting = newitr; 2783 2784 /* Reset state */ 2785 txr->bytes = 0; 2786 txr->packets = 0; 2787 rxr->bytes = 0; 2788 rxr->packets = 0; 2789 2790 no_calc: 2791 if (more) 2792 ixgbe_sched_handle_que(adapter, que); 2793 else 2794 ixgbe_enable_queue(adapter, que->msix); 2795 2796 return 1; 2797 } /* ixgbe_msix_que */ 2798 2799 /************************************************************************ 2800 * ixgbe_media_status - Media Ioctl callback 2801 * 2802 * Called whenever the user queries the status of 2803 * the interface using ifconfig. 2804 ************************************************************************/ 2805 static void 2806 ixgbe_media_status(struct ifnet *ifp, struct ifmediareq *ifmr) 2807 { 2808 struct adapter *adapter = ifp->if_softc; 2809 struct ixgbe_hw *hw = &adapter->hw; 2810 int layer; 2811 2812 INIT_DEBUGOUT("ixgbe_media_status: begin"); 2813 ixgbe_update_link_status(adapter); 2814 2815 ifmr->ifm_status = IFM_AVALID; 2816 ifmr->ifm_active = IFM_ETHER; 2817 2818 if (adapter->link_active != LINK_STATE_UP) { 2819 ifmr->ifm_active |= IFM_NONE; 2820 return; 2821 } 2822 2823 ifmr->ifm_status |= IFM_ACTIVE; 2824 layer = adapter->phy_layer; 2825 2826 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_T || 2827 layer & IXGBE_PHYSICAL_LAYER_5GBASE_T || 2828 layer & IXGBE_PHYSICAL_LAYER_2500BASE_T || 2829 layer & IXGBE_PHYSICAL_LAYER_1000BASE_T || 2830 layer & IXGBE_PHYSICAL_LAYER_100BASE_TX || 2831 layer & IXGBE_PHYSICAL_LAYER_10BASE_T) 2832 switch (adapter->link_speed) { 2833 case IXGBE_LINK_SPEED_10GB_FULL: 2834 ifmr->ifm_active |= IFM_10G_T | IFM_FDX; 2835 break; 2836 case IXGBE_LINK_SPEED_5GB_FULL: 2837 ifmr->ifm_active |= IFM_5000_T | IFM_FDX; 2838 break; 2839 case IXGBE_LINK_SPEED_2_5GB_FULL: 2840 ifmr->ifm_active |= IFM_2500_T | IFM_FDX; 2841 break; 2842 case IXGBE_LINK_SPEED_1GB_FULL: 2843 ifmr->ifm_active |= IFM_1000_T | IFM_FDX; 2844 break; 2845 case IXGBE_LINK_SPEED_100_FULL: 2846 ifmr->ifm_active |= IFM_100_TX | IFM_FDX; 2847 break; 2848 case IXGBE_LINK_SPEED_10_FULL: 2849 ifmr->ifm_active |= IFM_10_T | IFM_FDX; 2850 break; 2851 } 2852 if (layer & IXGBE_PHYSICAL_LAYER_SFP_PLUS_CU || 2853 layer & IXGBE_PHYSICAL_LAYER_SFP_ACTIVE_DA) 2854 switch (adapter->link_speed) { 2855 case IXGBE_LINK_SPEED_10GB_FULL: 2856 ifmr->ifm_active |= IFM_10G_TWINAX | IFM_FDX; 2857 break; 2858 } 2859 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_LR) 2860 switch (adapter->link_speed) { 2861 case IXGBE_LINK_SPEED_10GB_FULL: 2862 ifmr->ifm_active |= IFM_10G_LR | IFM_FDX; 2863 break; 2864 case IXGBE_LINK_SPEED_1GB_FULL: 2865 ifmr->ifm_active |= IFM_1000_LX | IFM_FDX; 2866 break; 2867 } 2868 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_LRM) 2869 switch (adapter->link_speed) { 2870 case IXGBE_LINK_SPEED_10GB_FULL: 2871 ifmr->ifm_active |= IFM_10G_LRM | IFM_FDX; 2872 break; 2873 case IXGBE_LINK_SPEED_1GB_FULL: 2874 ifmr->ifm_active |= IFM_1000_LX | IFM_FDX; 2875 break; 2876 } 2877 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_SR || 2878 layer & IXGBE_PHYSICAL_LAYER_1000BASE_SX) 2879 switch (adapter->link_speed) { 2880 case IXGBE_LINK_SPEED_10GB_FULL: 2881 ifmr->ifm_active |= IFM_10G_SR | IFM_FDX; 2882 break; 2883 case IXGBE_LINK_SPEED_1GB_FULL: 2884 ifmr->ifm_active |= IFM_1000_SX | IFM_FDX; 2885 break; 2886 } 2887 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_CX4) 2888 switch (adapter->link_speed) { 2889 case IXGBE_LINK_SPEED_10GB_FULL: 2890 ifmr->ifm_active |= IFM_10G_CX4 | IFM_FDX; 2891 break; 2892 } 2893 /* 2894 * XXX: These need to use the proper media types once 2895 * they're added. 2896 */ 2897 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KR) 2898 switch (adapter->link_speed) { 2899 case IXGBE_LINK_SPEED_10GB_FULL: 2900 ifmr->ifm_active |= IFM_10G_KR | IFM_FDX; 2901 break; 2902 case IXGBE_LINK_SPEED_2_5GB_FULL: 2903 ifmr->ifm_active |= IFM_2500_KX | IFM_FDX; 2904 break; 2905 case IXGBE_LINK_SPEED_1GB_FULL: 2906 ifmr->ifm_active |= IFM_1000_KX | IFM_FDX; 2907 break; 2908 } 2909 else if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KX4 || 2910 layer & IXGBE_PHYSICAL_LAYER_2500BASE_KX || 2911 layer & IXGBE_PHYSICAL_LAYER_1000BASE_KX) 2912 switch (adapter->link_speed) { 2913 case IXGBE_LINK_SPEED_10GB_FULL: 2914 ifmr->ifm_active |= IFM_10G_KX4 | IFM_FDX; 2915 break; 2916 case IXGBE_LINK_SPEED_2_5GB_FULL: 2917 ifmr->ifm_active |= IFM_2500_KX | IFM_FDX; 2918 break; 2919 case IXGBE_LINK_SPEED_1GB_FULL: 2920 ifmr->ifm_active |= IFM_1000_KX | IFM_FDX; 2921 break; 2922 } 2923 2924 /* If nothing is recognized... */ 2925 #if 0 2926 if (IFM_SUBTYPE(ifmr->ifm_active) == 0) 2927 ifmr->ifm_active |= IFM_UNKNOWN; 2928 #endif 2929 2930 ifp->if_baudrate = ifmedia_baudrate(ifmr->ifm_active); 2931 2932 /* Display current flow control setting used on link */ 2933 if (hw->fc.current_mode == ixgbe_fc_rx_pause || 2934 hw->fc.current_mode == ixgbe_fc_full) 2935 ifmr->ifm_active |= IFM_ETH_RXPAUSE; 2936 if (hw->fc.current_mode == ixgbe_fc_tx_pause || 2937 hw->fc.current_mode == ixgbe_fc_full) 2938 ifmr->ifm_active |= IFM_ETH_TXPAUSE; 2939 2940 return; 2941 } /* ixgbe_media_status */ 2942 2943 /************************************************************************ 2944 * ixgbe_media_change - Media Ioctl callback 2945 * 2946 * Called when the user changes speed/duplex using 2947 * media/mediopt option with ifconfig. 2948 ************************************************************************/ 2949 static int 2950 ixgbe_media_change(struct ifnet *ifp) 2951 { 2952 struct adapter *adapter = ifp->if_softc; 2953 struct ifmedia *ifm = &adapter->media; 2954 struct ixgbe_hw *hw = &adapter->hw; 2955 ixgbe_link_speed speed = 0; 2956 ixgbe_link_speed link_caps = 0; 2957 bool negotiate = false; 2958 s32 err = IXGBE_NOT_IMPLEMENTED; 2959 2960 INIT_DEBUGOUT("ixgbe_media_change: begin"); 2961 2962 if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER) 2963 return (EINVAL); 2964 2965 if (hw->phy.media_type == ixgbe_media_type_backplane) 2966 return (EPERM); 2967 2968 /* 2969 * We don't actually need to check against the supported 2970 * media types of the adapter; ifmedia will take care of 2971 * that for us. 2972 */ 2973 switch (IFM_SUBTYPE(ifm->ifm_media)) { 2974 case IFM_AUTO: 2975 err = hw->mac.ops.get_link_capabilities(hw, &link_caps, 2976 &negotiate); 2977 if (err != IXGBE_SUCCESS) { 2978 device_printf(adapter->dev, "Unable to determine " 2979 "supported advertise speeds\n"); 2980 return (ENODEV); 2981 } 2982 speed |= link_caps; 2983 break; 2984 case IFM_10G_T: 2985 case IFM_10G_LRM: 2986 case IFM_10G_LR: 2987 case IFM_10G_TWINAX: 2988 case IFM_10G_SR: 2989 case IFM_10G_CX4: 2990 case IFM_10G_KR: 2991 case IFM_10G_KX4: 2992 speed |= IXGBE_LINK_SPEED_10GB_FULL; 2993 break; 2994 case IFM_5000_T: 2995 speed |= IXGBE_LINK_SPEED_5GB_FULL; 2996 break; 2997 case IFM_2500_T: 2998 case IFM_2500_KX: 2999 speed |= IXGBE_LINK_SPEED_2_5GB_FULL; 3000 break; 3001 case IFM_1000_T: 3002 case IFM_1000_LX: 3003 case IFM_1000_SX: 3004 case IFM_1000_KX: 3005 speed |= IXGBE_LINK_SPEED_1GB_FULL; 3006 break; 3007 case IFM_100_TX: 3008 speed |= IXGBE_LINK_SPEED_100_FULL; 3009 break; 3010 case IFM_10_T: 3011 speed |= IXGBE_LINK_SPEED_10_FULL; 3012 break; 3013 case IFM_NONE: 3014 break; 3015 default: 3016 goto invalid; 3017 } 3018 3019 hw->mac.autotry_restart = TRUE; 3020 hw->mac.ops.setup_link(hw, speed, TRUE); 3021 adapter->advertise = 0; 3022 if (IFM_SUBTYPE(ifm->ifm_media) != IFM_AUTO) { 3023 if ((speed & IXGBE_LINK_SPEED_10GB_FULL) != 0) 3024 adapter->advertise |= 1 << 2; 3025 if ((speed & IXGBE_LINK_SPEED_1GB_FULL) != 0) 3026 adapter->advertise |= 1 << 1; 3027 if ((speed & IXGBE_LINK_SPEED_100_FULL) != 0) 3028 adapter->advertise |= 1 << 0; 3029 if ((speed & IXGBE_LINK_SPEED_10_FULL) != 0) 3030 adapter->advertise |= 1 << 3; 3031 if ((speed & IXGBE_LINK_SPEED_2_5GB_FULL) != 0) 3032 adapter->advertise |= 1 << 4; 3033 if ((speed & IXGBE_LINK_SPEED_5GB_FULL) != 0) 3034 adapter->advertise |= 1 << 5; 3035 } 3036 3037 return (0); 3038 3039 invalid: 3040 device_printf(adapter->dev, "Invalid media type!\n"); 3041 3042 return (EINVAL); 3043 } /* ixgbe_media_change */ 3044 3045 /************************************************************************ 3046 * ixgbe_msix_admin - Link status change ISR (MSI/MSI-X) 3047 ************************************************************************/ 3048 static int 3049 ixgbe_msix_admin(void *arg) 3050 { 3051 struct adapter *adapter = arg; 3052 struct ixgbe_hw *hw = &adapter->hw; 3053 u32 eicr, eicr_mask; 3054 u32 task_requests = 0; 3055 s32 retval; 3056 3057 ++adapter->admin_irqev.ev_count; 3058 3059 /* Pause other interrupts */ 3060 IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_EIMC_OTHER); 3061 3062 /* First get the cause */ 3063 /* 3064 * The specifications of 82598, 82599, X540 and X550 say EICS register 3065 * is write only. However, Linux says it is a workaround for silicon 3066 * errata to read EICS instead of EICR to get interrupt cause. It seems 3067 * there is a problem about read clear mechanism for EICR register. 3068 */ 3069 eicr = IXGBE_READ_REG(hw, IXGBE_EICS); 3070 /* Be sure the queue bits are not cleared */ 3071 eicr &= ~IXGBE_EICR_RTX_QUEUE; 3072 /* Clear interrupt with write */ 3073 IXGBE_WRITE_REG(hw, IXGBE_EICR, eicr); 3074 3075 if (ixgbe_is_sfp(hw)) { 3076 /* Pluggable optics-related interrupt */ 3077 if (hw->mac.type >= ixgbe_mac_X540) 3078 eicr_mask = IXGBE_EICR_GPI_SDP0_X540; 3079 else 3080 eicr_mask = IXGBE_EICR_GPI_SDP2_BY_MAC(hw); 3081 3082 /* 3083 * An interrupt might not arrive when a module is inserted. 3084 * When an link status change interrupt occurred and the driver 3085 * still regard SFP as unplugged, issue the module softint 3086 * and then issue LSC interrupt. 3087 */ 3088 if ((eicr & eicr_mask) 3089 || ((hw->phy.sfp_type == ixgbe_sfp_type_not_present) 3090 && (eicr & IXGBE_EICR_LSC))) { 3091 IXGBE_WRITE_REG(hw, IXGBE_EICR, eicr_mask); 3092 task_requests |= IXGBE_REQUEST_TASK_MOD; 3093 } 3094 3095 if ((hw->mac.type == ixgbe_mac_82599EB) && 3096 (eicr & IXGBE_EICR_GPI_SDP1_BY_MAC(hw))) { 3097 IXGBE_WRITE_REG(hw, IXGBE_EICR, 3098 IXGBE_EICR_GPI_SDP1_BY_MAC(hw)); 3099 task_requests |= IXGBE_REQUEST_TASK_MSF; 3100 } 3101 } 3102 3103 /* Link status change */ 3104 if (eicr & IXGBE_EICR_LSC) { 3105 IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_EIMC_LSC); 3106 task_requests |= IXGBE_REQUEST_TASK_LSC; 3107 } 3108 3109 if (adapter->hw.mac.type != ixgbe_mac_82598EB) { 3110 if ((adapter->feat_en & IXGBE_FEATURE_FDIR) && 3111 (eicr & IXGBE_EICR_FLOW_DIR)) { 3112 /* This is probably overkill :) */ 3113 if (!atomic_cas_uint(&adapter->fdir_reinit, 0, 1)) 3114 return 1; 3115 /* Disable the interrupt */ 3116 IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_EIMC_FLOW_DIR); 3117 task_requests |= IXGBE_REQUEST_TASK_FDIR; 3118 } 3119 3120 if (eicr & IXGBE_EICR_ECC) { 3121 device_printf(adapter->dev, 3122 "CRITICAL: ECC ERROR!! Please Reboot!!\n"); 3123 IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_ECC); 3124 } 3125 3126 /* Check for over temp condition */ 3127 if (adapter->feat_en & IXGBE_FEATURE_TEMP_SENSOR) { 3128 switch (adapter->hw.mac.type) { 3129 case ixgbe_mac_X550EM_a: 3130 if (!(eicr & IXGBE_EICR_GPI_SDP0_X550EM_a)) 3131 break; 3132 IXGBE_WRITE_REG(hw, IXGBE_EIMC, 3133 IXGBE_EICR_GPI_SDP0_X550EM_a); 3134 IXGBE_WRITE_REG(hw, IXGBE_EICR, 3135 IXGBE_EICR_GPI_SDP0_X550EM_a); 3136 retval = hw->phy.ops.check_overtemp(hw); 3137 if (retval != IXGBE_ERR_OVERTEMP) 3138 break; 3139 device_printf(adapter->dev, "CRITICAL: OVER TEMP!! PHY IS SHUT DOWN!!\n"); 3140 device_printf(adapter->dev, "System shutdown required!\n"); 3141 break; 3142 default: 3143 if (!(eicr & IXGBE_EICR_TS)) 3144 break; 3145 retval = hw->phy.ops.check_overtemp(hw); 3146 if (retval != IXGBE_ERR_OVERTEMP) 3147 break; 3148 device_printf(adapter->dev, "CRITICAL: OVER TEMP!! PHY IS SHUT DOWN!!\n"); 3149 device_printf(adapter->dev, "System shutdown required!\n"); 3150 IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_TS); 3151 break; 3152 } 3153 } 3154 3155 /* Check for VF message */ 3156 if ((adapter->feat_en & IXGBE_FEATURE_SRIOV) && 3157 (eicr & IXGBE_EICR_MAILBOX)) { 3158 task_requests |= IXGBE_REQUEST_TASK_MBX; 3159 } 3160 } 3161 3162 /* Check for fan failure */ 3163 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) { 3164 ixgbe_check_fan_failure(adapter, eicr, TRUE); 3165 IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_GPI_SDP1_BY_MAC(hw)); 3166 } 3167 3168 /* External PHY interrupt */ 3169 if ((hw->phy.type == ixgbe_phy_x550em_ext_t) && 3170 (eicr & IXGBE_EICR_GPI_SDP0_X540)) { 3171 IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_GPI_SDP0_X540); 3172 task_requests |= IXGBE_REQUEST_TASK_PHY; 3173 } 3174 3175 if (task_requests != 0) { 3176 /* Re-enabling other interrupts is done in the admin task */ 3177 task_requests |= IXGBE_REQUEST_TASK_NEED_ACKINTR; 3178 atomic_or_32(&adapter->task_requests, task_requests); 3179 ixgbe_schedule_admin_tasklet(adapter); 3180 } else { 3181 /* Re-enable other interrupts */ 3182 IXGBE_WRITE_REG(hw, IXGBE_EIMS, IXGBE_EIMS_OTHER); 3183 } 3184 3185 return 1; 3186 } /* ixgbe_msix_admin */ 3187 3188 static void 3189 ixgbe_eitr_write(struct adapter *adapter, uint32_t index, uint32_t itr) 3190 { 3191 3192 if (adapter->hw.mac.type == ixgbe_mac_82598EB) 3193 itr |= itr << 16; 3194 else 3195 itr |= IXGBE_EITR_CNT_WDIS; 3196 3197 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EITR(index), itr); 3198 } 3199 3200 3201 /************************************************************************ 3202 * ixgbe_sysctl_interrupt_rate_handler 3203 ************************************************************************/ 3204 static int 3205 ixgbe_sysctl_interrupt_rate_handler(SYSCTLFN_ARGS) 3206 { 3207 struct sysctlnode node = *rnode; 3208 struct ix_queue *que = (struct ix_queue *)node.sysctl_data; 3209 struct adapter *adapter; 3210 uint32_t reg, usec, rate; 3211 int error; 3212 3213 if (que == NULL) 3214 return 0; 3215 3216 adapter = que->adapter; 3217 if (ixgbe_fw_recovery_mode_swflag(adapter)) 3218 return (EPERM); 3219 3220 reg = IXGBE_READ_REG(&adapter->hw, IXGBE_EITR(que->msix)); 3221 usec = ((reg & 0x0FF8) >> 3); 3222 if (usec > 0) 3223 rate = 500000 / usec; 3224 else 3225 rate = 0; 3226 node.sysctl_data = &rate; 3227 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 3228 if (error || newp == NULL) 3229 return error; 3230 reg &= ~0xfff; /* default, no limitation */ 3231 if (rate > 0 && rate < 500000) { 3232 if (rate < 1000) 3233 rate = 1000; 3234 reg |= ((4000000 / rate) & 0xff8); 3235 /* 3236 * When RSC is used, ITR interval must be larger than 3237 * RSC_DELAY. Currently, we use 2us for RSC_DELAY. 3238 * The minimum value is always greater than 2us on 100M 3239 * (and 10M?(not documented)), but it's not on 1G and higher. 3240 */ 3241 if ((adapter->link_speed != IXGBE_LINK_SPEED_100_FULL) 3242 && (adapter->link_speed != IXGBE_LINK_SPEED_10_FULL)) { 3243 if ((adapter->num_queues > 1) 3244 && (reg < IXGBE_MIN_RSC_EITR_10G1G)) 3245 return EINVAL; 3246 } 3247 ixgbe_max_interrupt_rate = rate; 3248 } else 3249 ixgbe_max_interrupt_rate = 0; 3250 ixgbe_eitr_write(adapter, que->msix, reg); 3251 3252 return (0); 3253 } /* ixgbe_sysctl_interrupt_rate_handler */ 3254 3255 const struct sysctlnode * 3256 ixgbe_sysctl_instance(struct adapter *adapter) 3257 { 3258 const char *dvname; 3259 struct sysctllog **log; 3260 int rc; 3261 const struct sysctlnode *rnode; 3262 3263 if (adapter->sysctltop != NULL) 3264 return adapter->sysctltop; 3265 3266 log = &adapter->sysctllog; 3267 dvname = device_xname(adapter->dev); 3268 3269 if ((rc = sysctl_createv(log, 0, NULL, &rnode, 3270 0, CTLTYPE_NODE, dvname, 3271 SYSCTL_DESCR("ixgbe information and settings"), 3272 NULL, 0, NULL, 0, CTL_HW, CTL_CREATE, CTL_EOL)) != 0) 3273 goto err; 3274 3275 return rnode; 3276 err: 3277 device_printf(adapter->dev, 3278 "%s: sysctl_createv failed, rc = %d\n", __func__, rc); 3279 return NULL; 3280 } 3281 3282 /************************************************************************ 3283 * ixgbe_add_device_sysctls 3284 ************************************************************************/ 3285 static void 3286 ixgbe_add_device_sysctls(struct adapter *adapter) 3287 { 3288 device_t dev = adapter->dev; 3289 struct ixgbe_hw *hw = &adapter->hw; 3290 struct sysctllog **log; 3291 const struct sysctlnode *rnode, *cnode; 3292 3293 log = &adapter->sysctllog; 3294 3295 if ((rnode = ixgbe_sysctl_instance(adapter)) == NULL) { 3296 aprint_error_dev(dev, "could not create sysctl root\n"); 3297 return; 3298 } 3299 3300 if (sysctl_createv(log, 0, &rnode, &cnode, 3301 CTLFLAG_READWRITE, CTLTYPE_INT, 3302 "debug", SYSCTL_DESCR("Debug Info"), 3303 ixgbe_sysctl_debug, 0, (void *)adapter, 0, CTL_CREATE, CTL_EOL) != 0) 3304 aprint_error_dev(dev, "could not create sysctl\n"); 3305 3306 if (sysctl_createv(log, 0, &rnode, &cnode, 3307 CTLFLAG_READONLY, CTLTYPE_INT, 3308 "num_rx_desc", SYSCTL_DESCR("Number of rx descriptors"), 3309 NULL, 0, &adapter->num_rx_desc, 0, CTL_CREATE, CTL_EOL) != 0) 3310 aprint_error_dev(dev, "could not create sysctl\n"); 3311 3312 if (sysctl_createv(log, 0, &rnode, &cnode, 3313 CTLFLAG_READONLY, CTLTYPE_INT, 3314 "num_queues", SYSCTL_DESCR("Number of queues"), 3315 NULL, 0, &adapter->num_queues, 0, CTL_CREATE, CTL_EOL) != 0) 3316 aprint_error_dev(dev, "could not create sysctl\n"); 3317 3318 /* Sysctls for all devices */ 3319 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3320 CTLTYPE_INT, "fc", SYSCTL_DESCR(IXGBE_SYSCTL_DESC_SET_FC), 3321 ixgbe_sysctl_flowcntl, 0, (void *)adapter, 0, CTL_CREATE, 3322 CTL_EOL) != 0) 3323 aprint_error_dev(dev, "could not create sysctl\n"); 3324 3325 adapter->enable_aim = ixgbe_enable_aim; 3326 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3327 CTLTYPE_BOOL, "enable_aim", SYSCTL_DESCR("Interrupt Moderation"), 3328 NULL, 0, &adapter->enable_aim, 0, CTL_CREATE, CTL_EOL) != 0) 3329 aprint_error_dev(dev, "could not create sysctl\n"); 3330 3331 if (sysctl_createv(log, 0, &rnode, &cnode, 3332 CTLFLAG_READWRITE, CTLTYPE_INT, 3333 "advertise_speed", SYSCTL_DESCR(IXGBE_SYSCTL_DESC_ADV_SPEED), 3334 ixgbe_sysctl_advertise, 0, (void *)adapter, 0, CTL_CREATE, 3335 CTL_EOL) != 0) 3336 aprint_error_dev(dev, "could not create sysctl\n"); 3337 3338 /* 3339 * If each "que->txrx_use_workqueue" is changed in sysctl handler, 3340 * it causesflip-flopping softint/workqueue mode in one deferred 3341 * processing. Therefore, preempt_disable()/preempt_enable() are 3342 * required in ixgbe_sched_handle_que() to avoid 3343 * KASSERT(ixgbe_sched_handle_que()) in softint_schedule(). 3344 * I think changing "que->txrx_use_workqueue" in interrupt handler 3345 * is lighter than doing preempt_disable()/preempt_enable() in every 3346 * ixgbe_sched_handle_que(). 3347 */ 3348 adapter->txrx_use_workqueue = ixgbe_txrx_workqueue; 3349 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3350 CTLTYPE_BOOL, "txrx_workqueue", SYSCTL_DESCR("Use workqueue for packet processing"), 3351 NULL, 0, &adapter->txrx_use_workqueue, 0, CTL_CREATE, CTL_EOL) != 0) 3352 aprint_error_dev(dev, "could not create sysctl\n"); 3353 3354 #ifdef IXGBE_DEBUG 3355 /* testing sysctls (for all devices) */ 3356 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3357 CTLTYPE_INT, "power_state", SYSCTL_DESCR("PCI Power State"), 3358 ixgbe_sysctl_power_state, 0, (void *)adapter, 0, CTL_CREATE, 3359 CTL_EOL) != 0) 3360 aprint_error_dev(dev, "could not create sysctl\n"); 3361 3362 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READONLY, 3363 CTLTYPE_STRING, "print_rss_config", 3364 SYSCTL_DESCR("Prints RSS Configuration"), 3365 ixgbe_sysctl_print_rss_config, 0, (void *)adapter, 0, CTL_CREATE, 3366 CTL_EOL) != 0) 3367 aprint_error_dev(dev, "could not create sysctl\n"); 3368 #endif 3369 /* for X550 series devices */ 3370 if (hw->mac.type >= ixgbe_mac_X550) 3371 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3372 CTLTYPE_INT, "dmac", SYSCTL_DESCR("DMA Coalesce"), 3373 ixgbe_sysctl_dmac, 0, (void *)adapter, 0, CTL_CREATE, 3374 CTL_EOL) != 0) 3375 aprint_error_dev(dev, "could not create sysctl\n"); 3376 3377 /* for WoL-capable devices */ 3378 if (adapter->wol_support) { 3379 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3380 CTLTYPE_BOOL, "wol_enable", 3381 SYSCTL_DESCR("Enable/Disable Wake on LAN"), 3382 ixgbe_sysctl_wol_enable, 0, (void *)adapter, 0, CTL_CREATE, 3383 CTL_EOL) != 0) 3384 aprint_error_dev(dev, "could not create sysctl\n"); 3385 3386 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3387 CTLTYPE_INT, "wufc", 3388 SYSCTL_DESCR("Enable/Disable Wake Up Filters"), 3389 ixgbe_sysctl_wufc, 0, (void *)adapter, 0, CTL_CREATE, 3390 CTL_EOL) != 0) 3391 aprint_error_dev(dev, "could not create sysctl\n"); 3392 } 3393 3394 /* for X552/X557-AT devices */ 3395 if (hw->device_id == IXGBE_DEV_ID_X550EM_X_10G_T) { 3396 const struct sysctlnode *phy_node; 3397 3398 if (sysctl_createv(log, 0, &rnode, &phy_node, 0, CTLTYPE_NODE, 3399 "phy", SYSCTL_DESCR("External PHY sysctls"), 3400 NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL) != 0) { 3401 aprint_error_dev(dev, "could not create sysctl\n"); 3402 return; 3403 } 3404 3405 if (sysctl_createv(log, 0, &phy_node, &cnode, CTLFLAG_READONLY, 3406 CTLTYPE_INT, "temp", 3407 SYSCTL_DESCR("Current External PHY Temperature (Celsius)"), 3408 ixgbe_sysctl_phy_temp, 0, (void *)adapter, 0, CTL_CREATE, 3409 CTL_EOL) != 0) 3410 aprint_error_dev(dev, "could not create sysctl\n"); 3411 3412 if (sysctl_createv(log, 0, &phy_node, &cnode, CTLFLAG_READONLY, 3413 CTLTYPE_INT, "overtemp_occurred", 3414 SYSCTL_DESCR("External PHY High Temperature Event Occurred"), 3415 ixgbe_sysctl_phy_overtemp_occurred, 0, (void *)adapter, 0, 3416 CTL_CREATE, CTL_EOL) != 0) 3417 aprint_error_dev(dev, "could not create sysctl\n"); 3418 } 3419 3420 if ((hw->mac.type == ixgbe_mac_X550EM_a) 3421 && (hw->phy.type == ixgbe_phy_fw)) 3422 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3423 CTLTYPE_BOOL, "force_10_100_autonego", 3424 SYSCTL_DESCR("Force autonego on 10M and 100M"), 3425 NULL, 0, &hw->phy.force_10_100_autonego, 0, 3426 CTL_CREATE, CTL_EOL) != 0) 3427 aprint_error_dev(dev, "could not create sysctl\n"); 3428 3429 if (adapter->feat_cap & IXGBE_FEATURE_EEE) { 3430 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3431 CTLTYPE_INT, "eee_state", 3432 SYSCTL_DESCR("EEE Power Save State"), 3433 ixgbe_sysctl_eee_state, 0, (void *)adapter, 0, CTL_CREATE, 3434 CTL_EOL) != 0) 3435 aprint_error_dev(dev, "could not create sysctl\n"); 3436 } 3437 } /* ixgbe_add_device_sysctls */ 3438 3439 /************************************************************************ 3440 * ixgbe_allocate_pci_resources 3441 ************************************************************************/ 3442 static int 3443 ixgbe_allocate_pci_resources(struct adapter *adapter, 3444 const struct pci_attach_args *pa) 3445 { 3446 pcireg_t memtype, csr; 3447 device_t dev = adapter->dev; 3448 bus_addr_t addr; 3449 int flags; 3450 3451 memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, PCI_BAR(0)); 3452 switch (memtype) { 3453 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT: 3454 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT: 3455 adapter->osdep.mem_bus_space_tag = pa->pa_memt; 3456 if (pci_mapreg_info(pa->pa_pc, pa->pa_tag, PCI_BAR(0), 3457 memtype, &addr, &adapter->osdep.mem_size, &flags) != 0) 3458 goto map_err; 3459 if ((flags & BUS_SPACE_MAP_PREFETCHABLE) != 0) { 3460 aprint_normal_dev(dev, "clearing prefetchable bit\n"); 3461 flags &= ~BUS_SPACE_MAP_PREFETCHABLE; 3462 } 3463 if (bus_space_map(adapter->osdep.mem_bus_space_tag, addr, 3464 adapter->osdep.mem_size, flags, 3465 &adapter->osdep.mem_bus_space_handle) != 0) { 3466 map_err: 3467 adapter->osdep.mem_size = 0; 3468 aprint_error_dev(dev, "unable to map BAR0\n"); 3469 return ENXIO; 3470 } 3471 /* 3472 * Enable address decoding for memory range in case BIOS or 3473 * UEFI don't set it. 3474 */ 3475 csr = pci_conf_read(pa->pa_pc, pa->pa_tag, 3476 PCI_COMMAND_STATUS_REG); 3477 csr |= PCI_COMMAND_MEM_ENABLE; 3478 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 3479 csr); 3480 break; 3481 default: 3482 aprint_error_dev(dev, "unexpected type on BAR0\n"); 3483 return ENXIO; 3484 } 3485 3486 return (0); 3487 } /* ixgbe_allocate_pci_resources */ 3488 3489 static void 3490 ixgbe_free_workqueue(struct adapter *adapter) 3491 { 3492 struct ix_queue *que = adapter->queues; 3493 struct tx_ring *txr = adapter->tx_rings; 3494 int i; 3495 3496 for (i = 0; i < adapter->num_queues; i++, que++, txr++) { 3497 if (!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX)) { 3498 if (txr->txr_si != NULL) 3499 softint_disestablish(txr->txr_si); 3500 } 3501 if (que->que_si != NULL) 3502 softint_disestablish(que->que_si); 3503 } 3504 if (adapter->txr_wq != NULL) 3505 workqueue_destroy(adapter->txr_wq); 3506 if (adapter->txr_wq_enqueued != NULL) 3507 percpu_free(adapter->txr_wq_enqueued, sizeof(u_int)); 3508 if (adapter->que_wq != NULL) 3509 workqueue_destroy(adapter->que_wq); 3510 3511 if (adapter->admin_wq != NULL) { 3512 workqueue_destroy(adapter->admin_wq); 3513 adapter->admin_wq = NULL; 3514 } 3515 if (adapter->timer_wq != NULL) { 3516 workqueue_destroy(adapter->timer_wq); 3517 adapter->timer_wq = NULL; 3518 } 3519 if (adapter->recovery_mode_timer_wq != NULL) { 3520 /* 3521 * ixgbe_ifstop() doesn't call the workqueue_wait() for 3522 * the recovery_mode_timer workqueue, so call it here. 3523 */ 3524 workqueue_wait(adapter->recovery_mode_timer_wq, 3525 &adapter->recovery_mode_timer_wc); 3526 atomic_store_relaxed(&adapter->recovery_mode_timer_pending, 0); 3527 workqueue_destroy(adapter->recovery_mode_timer_wq); 3528 adapter->recovery_mode_timer_wq = NULL; 3529 } 3530 } /* ixgbe_free_workqueue */ 3531 3532 /************************************************************************ 3533 * ixgbe_detach - Device removal routine 3534 * 3535 * Called when the driver is being removed. 3536 * Stops the adapter and deallocates all the resources 3537 * that were allocated for driver operation. 3538 * 3539 * return 0 on success, positive on failure 3540 ************************************************************************/ 3541 static int 3542 ixgbe_detach(device_t dev, int flags) 3543 { 3544 struct adapter *adapter = device_private(dev); 3545 struct rx_ring *rxr = adapter->rx_rings; 3546 struct tx_ring *txr = adapter->tx_rings; 3547 struct ixgbe_hw *hw = &adapter->hw; 3548 struct ixgbe_hw_stats *stats = &adapter->stats.pf; 3549 u32 ctrl_ext; 3550 int i; 3551 3552 INIT_DEBUGOUT("ixgbe_detach: begin"); 3553 if (adapter->osdep.attached == false) 3554 return 0; 3555 3556 if (ixgbe_pci_iov_detach(dev) != 0) { 3557 device_printf(dev, "SR-IOV in use; detach first.\n"); 3558 return (EBUSY); 3559 } 3560 3561 /* 3562 * Stop the interface. ixgbe_setup_low_power_mode() calls ixgbe_stop(), 3563 * so it's not required to call ixgbe_stop() directly. 3564 */ 3565 IXGBE_CORE_LOCK(adapter); 3566 ixgbe_setup_low_power_mode(adapter); 3567 IXGBE_CORE_UNLOCK(adapter); 3568 #if NVLAN > 0 3569 /* Make sure VLANs are not using driver */ 3570 if (!VLAN_ATTACHED(&adapter->osdep.ec)) 3571 ; /* nothing to do: no VLANs */ 3572 else if ((flags & (DETACH_SHUTDOWN | DETACH_FORCE)) != 0) 3573 vlan_ifdetach(adapter->ifp); 3574 else { 3575 aprint_error_dev(dev, "VLANs in use, detach first\n"); 3576 return (EBUSY); 3577 } 3578 #endif 3579 3580 pmf_device_deregister(dev); 3581 3582 ether_ifdetach(adapter->ifp); 3583 3584 ixgbe_free_workqueue(adapter); 3585 3586 /* let hardware know driver is unloading */ 3587 ctrl_ext = IXGBE_READ_REG(&adapter->hw, IXGBE_CTRL_EXT); 3588 ctrl_ext &= ~IXGBE_CTRL_EXT_DRV_LOAD; 3589 IXGBE_WRITE_REG(&adapter->hw, IXGBE_CTRL_EXT, ctrl_ext); 3590 3591 callout_halt(&adapter->timer, NULL); 3592 if (adapter->feat_en & IXGBE_FEATURE_RECOVERY_MODE) { 3593 callout_stop(&adapter->recovery_mode_timer); 3594 callout_halt(&adapter->recovery_mode_timer, NULL); 3595 } 3596 3597 if (adapter->feat_en & IXGBE_FEATURE_NETMAP) 3598 netmap_detach(adapter->ifp); 3599 3600 ixgbe_free_pci_resources(adapter); 3601 #if 0 /* XXX the NetBSD port is probably missing something here */ 3602 bus_generic_detach(dev); 3603 #endif 3604 if_detach(adapter->ifp); 3605 ifmedia_fini(&adapter->media); 3606 if_percpuq_destroy(adapter->ipq); 3607 3608 sysctl_teardown(&adapter->sysctllog); 3609 evcnt_detach(&adapter->efbig_tx_dma_setup); 3610 evcnt_detach(&adapter->mbuf_defrag_failed); 3611 evcnt_detach(&adapter->efbig2_tx_dma_setup); 3612 evcnt_detach(&adapter->einval_tx_dma_setup); 3613 evcnt_detach(&adapter->other_tx_dma_setup); 3614 evcnt_detach(&adapter->eagain_tx_dma_setup); 3615 evcnt_detach(&adapter->enomem_tx_dma_setup); 3616 evcnt_detach(&adapter->watchdog_events); 3617 evcnt_detach(&adapter->tso_err); 3618 evcnt_detach(&adapter->admin_irqev); 3619 evcnt_detach(&adapter->link_workev); 3620 evcnt_detach(&adapter->mod_workev); 3621 evcnt_detach(&adapter->msf_workev); 3622 evcnt_detach(&adapter->phy_workev); 3623 3624 for (i = 0; i < IXGBE_TC_COUNTER_NUM; i++) { 3625 if (i < __arraycount(stats->mpc)) { 3626 evcnt_detach(&stats->mpc[i]); 3627 if (hw->mac.type == ixgbe_mac_82598EB) 3628 evcnt_detach(&stats->rnbc[i]); 3629 } 3630 if (i < __arraycount(stats->pxontxc)) { 3631 evcnt_detach(&stats->pxontxc[i]); 3632 evcnt_detach(&stats->pxonrxc[i]); 3633 evcnt_detach(&stats->pxofftxc[i]); 3634 evcnt_detach(&stats->pxoffrxc[i]); 3635 if (hw->mac.type >= ixgbe_mac_82599EB) 3636 evcnt_detach(&stats->pxon2offc[i]); 3637 } 3638 } 3639 3640 txr = adapter->tx_rings; 3641 for (i = 0; i < adapter->num_queues; i++, rxr++, txr++) { 3642 evcnt_detach(&adapter->queues[i].irqs); 3643 evcnt_detach(&adapter->queues[i].handleq); 3644 evcnt_detach(&adapter->queues[i].req); 3645 evcnt_detach(&txr->no_desc_avail); 3646 evcnt_detach(&txr->total_packets); 3647 evcnt_detach(&txr->tso_tx); 3648 #ifndef IXGBE_LEGACY_TX 3649 evcnt_detach(&txr->pcq_drops); 3650 #endif 3651 3652 if (i < __arraycount(stats->qprc)) { 3653 evcnt_detach(&stats->qprc[i]); 3654 evcnt_detach(&stats->qptc[i]); 3655 evcnt_detach(&stats->qbrc[i]); 3656 evcnt_detach(&stats->qbtc[i]); 3657 if (hw->mac.type >= ixgbe_mac_82599EB) 3658 evcnt_detach(&stats->qprdc[i]); 3659 } 3660 3661 evcnt_detach(&rxr->rx_packets); 3662 evcnt_detach(&rxr->rx_bytes); 3663 evcnt_detach(&rxr->rx_copies); 3664 evcnt_detach(&rxr->no_jmbuf); 3665 evcnt_detach(&rxr->rx_discarded); 3666 } 3667 evcnt_detach(&stats->ipcs); 3668 evcnt_detach(&stats->l4cs); 3669 evcnt_detach(&stats->ipcs_bad); 3670 evcnt_detach(&stats->l4cs_bad); 3671 evcnt_detach(&stats->intzero); 3672 evcnt_detach(&stats->legint); 3673 evcnt_detach(&stats->crcerrs); 3674 evcnt_detach(&stats->illerrc); 3675 evcnt_detach(&stats->errbc); 3676 evcnt_detach(&stats->mspdc); 3677 if (hw->mac.type >= ixgbe_mac_X550) 3678 evcnt_detach(&stats->mbsdc); 3679 evcnt_detach(&stats->mpctotal); 3680 evcnt_detach(&stats->mlfc); 3681 evcnt_detach(&stats->mrfc); 3682 evcnt_detach(&stats->rlec); 3683 evcnt_detach(&stats->lxontxc); 3684 evcnt_detach(&stats->lxonrxc); 3685 evcnt_detach(&stats->lxofftxc); 3686 evcnt_detach(&stats->lxoffrxc); 3687 3688 /* Packet Reception Stats */ 3689 evcnt_detach(&stats->tor); 3690 evcnt_detach(&stats->gorc); 3691 evcnt_detach(&stats->tpr); 3692 evcnt_detach(&stats->gprc); 3693 evcnt_detach(&stats->mprc); 3694 evcnt_detach(&stats->bprc); 3695 evcnt_detach(&stats->prc64); 3696 evcnt_detach(&stats->prc127); 3697 evcnt_detach(&stats->prc255); 3698 evcnt_detach(&stats->prc511); 3699 evcnt_detach(&stats->prc1023); 3700 evcnt_detach(&stats->prc1522); 3701 evcnt_detach(&stats->ruc); 3702 evcnt_detach(&stats->rfc); 3703 evcnt_detach(&stats->roc); 3704 evcnt_detach(&stats->rjc); 3705 evcnt_detach(&stats->mngprc); 3706 evcnt_detach(&stats->mngpdc); 3707 evcnt_detach(&stats->xec); 3708 3709 /* Packet Transmission Stats */ 3710 evcnt_detach(&stats->gotc); 3711 evcnt_detach(&stats->tpt); 3712 evcnt_detach(&stats->gptc); 3713 evcnt_detach(&stats->bptc); 3714 evcnt_detach(&stats->mptc); 3715 evcnt_detach(&stats->mngptc); 3716 evcnt_detach(&stats->ptc64); 3717 evcnt_detach(&stats->ptc127); 3718 evcnt_detach(&stats->ptc255); 3719 evcnt_detach(&stats->ptc511); 3720 evcnt_detach(&stats->ptc1023); 3721 evcnt_detach(&stats->ptc1522); 3722 3723 ixgbe_free_queues(adapter); 3724 free(adapter->mta, M_DEVBUF); 3725 3726 IXGBE_CORE_LOCK_DESTROY(adapter); 3727 3728 return (0); 3729 } /* ixgbe_detach */ 3730 3731 /************************************************************************ 3732 * ixgbe_setup_low_power_mode - LPLU/WoL preparation 3733 * 3734 * Prepare the adapter/port for LPLU and/or WoL 3735 ************************************************************************/ 3736 static int 3737 ixgbe_setup_low_power_mode(struct adapter *adapter) 3738 { 3739 struct ixgbe_hw *hw = &adapter->hw; 3740 device_t dev = adapter->dev; 3741 s32 error = 0; 3742 3743 KASSERT(mutex_owned(&adapter->core_mtx)); 3744 3745 /* Limit power management flow to X550EM baseT */ 3746 if (hw->device_id == IXGBE_DEV_ID_X550EM_X_10G_T && 3747 hw->phy.ops.enter_lplu) { 3748 /* X550EM baseT adapters need a special LPLU flow */ 3749 hw->phy.reset_disable = true; 3750 ixgbe_stop(adapter); 3751 error = hw->phy.ops.enter_lplu(hw); 3752 if (error) 3753 device_printf(dev, 3754 "Error entering LPLU: %d\n", error); 3755 hw->phy.reset_disable = false; 3756 } else { 3757 /* Just stop for other adapters */ 3758 ixgbe_stop(adapter); 3759 } 3760 3761 if (!hw->wol_enabled) { 3762 ixgbe_set_phy_power(hw, FALSE); 3763 IXGBE_WRITE_REG(hw, IXGBE_WUFC, 0); 3764 IXGBE_WRITE_REG(hw, IXGBE_WUC, 0); 3765 } else { 3766 /* Turn off support for APM wakeup. (Using ACPI instead) */ 3767 IXGBE_WRITE_REG(hw, IXGBE_GRC_BY_MAC(hw), 3768 IXGBE_READ_REG(hw, IXGBE_GRC_BY_MAC(hw)) & ~(u32)2); 3769 3770 /* 3771 * Clear Wake Up Status register to prevent any previous wakeup 3772 * events from waking us up immediately after we suspend. 3773 */ 3774 IXGBE_WRITE_REG(hw, IXGBE_WUS, 0xffffffff); 3775 3776 /* 3777 * Program the Wakeup Filter Control register with user filter 3778 * settings 3779 */ 3780 IXGBE_WRITE_REG(hw, IXGBE_WUFC, adapter->wufc); 3781 3782 /* Enable wakeups and power management in Wakeup Control */ 3783 IXGBE_WRITE_REG(hw, IXGBE_WUC, 3784 IXGBE_WUC_WKEN | IXGBE_WUC_PME_EN); 3785 3786 } 3787 3788 return error; 3789 } /* ixgbe_setup_low_power_mode */ 3790 3791 /************************************************************************ 3792 * ixgbe_shutdown - Shutdown entry point 3793 ************************************************************************/ 3794 #if 0 /* XXX NetBSD ought to register something like this through pmf(9) */ 3795 static int 3796 ixgbe_shutdown(device_t dev) 3797 { 3798 struct adapter *adapter = device_private(dev); 3799 int error = 0; 3800 3801 INIT_DEBUGOUT("ixgbe_shutdown: begin"); 3802 3803 IXGBE_CORE_LOCK(adapter); 3804 error = ixgbe_setup_low_power_mode(adapter); 3805 IXGBE_CORE_UNLOCK(adapter); 3806 3807 return (error); 3808 } /* ixgbe_shutdown */ 3809 #endif 3810 3811 /************************************************************************ 3812 * ixgbe_suspend 3813 * 3814 * From D0 to D3 3815 ************************************************************************/ 3816 static bool 3817 ixgbe_suspend(device_t dev, const pmf_qual_t *qual) 3818 { 3819 struct adapter *adapter = device_private(dev); 3820 int error = 0; 3821 3822 INIT_DEBUGOUT("ixgbe_suspend: begin"); 3823 3824 IXGBE_CORE_LOCK(adapter); 3825 3826 error = ixgbe_setup_low_power_mode(adapter); 3827 3828 IXGBE_CORE_UNLOCK(adapter); 3829 3830 return (error); 3831 } /* ixgbe_suspend */ 3832 3833 /************************************************************************ 3834 * ixgbe_resume 3835 * 3836 * From D3 to D0 3837 ************************************************************************/ 3838 static bool 3839 ixgbe_resume(device_t dev, const pmf_qual_t *qual) 3840 { 3841 struct adapter *adapter = device_private(dev); 3842 struct ifnet *ifp = adapter->ifp; 3843 struct ixgbe_hw *hw = &adapter->hw; 3844 u32 wus; 3845 3846 INIT_DEBUGOUT("ixgbe_resume: begin"); 3847 3848 IXGBE_CORE_LOCK(adapter); 3849 3850 /* Read & clear WUS register */ 3851 wus = IXGBE_READ_REG(hw, IXGBE_WUS); 3852 if (wus) 3853 device_printf(dev, "Woken up by (WUS): %#010x\n", 3854 IXGBE_READ_REG(hw, IXGBE_WUS)); 3855 IXGBE_WRITE_REG(hw, IXGBE_WUS, 0xffffffff); 3856 /* And clear WUFC until next low-power transition */ 3857 IXGBE_WRITE_REG(hw, IXGBE_WUFC, 0); 3858 3859 /* 3860 * Required after D3->D0 transition; 3861 * will re-advertise all previous advertised speeds 3862 */ 3863 if (ifp->if_flags & IFF_UP) 3864 ixgbe_init_locked(adapter); 3865 3866 IXGBE_CORE_UNLOCK(adapter); 3867 3868 return true; 3869 } /* ixgbe_resume */ 3870 3871 /* 3872 * Set the various hardware offload abilities. 3873 * 3874 * This takes the ifnet's if_capenable flags (e.g. set by the user using 3875 * ifconfig) and indicates to the OS via the ifnet's if_hwassist field what 3876 * mbuf offload flags the driver will understand. 3877 */ 3878 static void 3879 ixgbe_set_if_hwassist(struct adapter *adapter) 3880 { 3881 /* XXX */ 3882 } 3883 3884 /************************************************************************ 3885 * ixgbe_init_locked - Init entry point 3886 * 3887 * Used in two ways: It is used by the stack as an init 3888 * entry point in network interface structure. It is also 3889 * used by the driver as a hw/sw initialization routine to 3890 * get to a consistent state. 3891 * 3892 * return 0 on success, positive on failure 3893 ************************************************************************/ 3894 static void 3895 ixgbe_init_locked(struct adapter *adapter) 3896 { 3897 struct ifnet *ifp = adapter->ifp; 3898 device_t dev = adapter->dev; 3899 struct ixgbe_hw *hw = &adapter->hw; 3900 struct ix_queue *que; 3901 struct tx_ring *txr; 3902 struct rx_ring *rxr; 3903 u32 txdctl, mhadd; 3904 u32 rxdctl, rxctrl; 3905 u32 ctrl_ext; 3906 bool unsupported_sfp = false; 3907 int i, j, err; 3908 3909 /* XXX check IFF_UP and IFF_RUNNING, power-saving state! */ 3910 3911 KASSERT(mutex_owned(&adapter->core_mtx)); 3912 INIT_DEBUGOUT("ixgbe_init_locked: begin"); 3913 3914 hw->need_unsupported_sfp_recovery = false; 3915 hw->adapter_stopped = FALSE; 3916 ixgbe_stop_adapter(hw); 3917 callout_stop(&adapter->timer); 3918 if (adapter->feat_en & IXGBE_FEATURE_RECOVERY_MODE) 3919 callout_stop(&adapter->recovery_mode_timer); 3920 for (i = 0, que = adapter->queues; i < adapter->num_queues; i++, que++) 3921 que->disabled_count = 0; 3922 3923 /* XXX I moved this here from the SIOCSIFMTU case in ixgbe_ioctl(). */ 3924 adapter->max_frame_size = 3925 ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN; 3926 3927 /* Queue indices may change with IOV mode */ 3928 ixgbe_align_all_queue_indices(adapter); 3929 3930 /* reprogram the RAR[0] in case user changed it. */ 3931 ixgbe_set_rar(hw, 0, hw->mac.addr, adapter->pool, IXGBE_RAH_AV); 3932 3933 /* Get the latest mac address, User can use a LAA */ 3934 memcpy(hw->mac.addr, CLLADDR(ifp->if_sadl), 3935 IXGBE_ETH_LENGTH_OF_ADDRESS); 3936 ixgbe_set_rar(hw, 0, hw->mac.addr, adapter->pool, 1); 3937 hw->addr_ctrl.rar_used_count = 1; 3938 3939 /* Set hardware offload abilities from ifnet flags */ 3940 ixgbe_set_if_hwassist(adapter); 3941 3942 /* Prepare transmit descriptors and buffers */ 3943 if (ixgbe_setup_transmit_structures(adapter)) { 3944 device_printf(dev, "Could not setup transmit structures\n"); 3945 ixgbe_stop(adapter); 3946 return; 3947 } 3948 3949 ixgbe_init_hw(hw); 3950 3951 ixgbe_initialize_iov(adapter); 3952 3953 ixgbe_initialize_transmit_units(adapter); 3954 3955 /* Setup Multicast table */ 3956 ixgbe_set_rxfilter(adapter); 3957 3958 /* Determine the correct mbuf pool, based on frame size */ 3959 if (adapter->max_frame_size <= MCLBYTES) 3960 adapter->rx_mbuf_sz = MCLBYTES; 3961 else 3962 adapter->rx_mbuf_sz = MJUMPAGESIZE; 3963 3964 /* Prepare receive descriptors and buffers */ 3965 if (ixgbe_setup_receive_structures(adapter)) { 3966 device_printf(dev, "Could not setup receive structures\n"); 3967 ixgbe_stop(adapter); 3968 return; 3969 } 3970 3971 /* Configure RX settings */ 3972 ixgbe_initialize_receive_units(adapter); 3973 3974 /* Initialize variable holding task enqueue requests interrupts */ 3975 adapter->task_requests = 0; 3976 3977 /* Enable SDP & MSI-X interrupts based on adapter */ 3978 ixgbe_config_gpie(adapter); 3979 3980 /* Set MTU size */ 3981 if (ifp->if_mtu > ETHERMTU) { 3982 /* aka IXGBE_MAXFRS on 82599 and newer */ 3983 mhadd = IXGBE_READ_REG(hw, IXGBE_MHADD); 3984 mhadd &= ~IXGBE_MHADD_MFS_MASK; 3985 mhadd |= adapter->max_frame_size << IXGBE_MHADD_MFS_SHIFT; 3986 IXGBE_WRITE_REG(hw, IXGBE_MHADD, mhadd); 3987 } 3988 3989 /* Now enable all the queues */ 3990 for (i = 0; i < adapter->num_queues; i++) { 3991 txr = &adapter->tx_rings[i]; 3992 txdctl = IXGBE_READ_REG(hw, IXGBE_TXDCTL(txr->me)); 3993 txdctl |= IXGBE_TXDCTL_ENABLE; 3994 /* Set WTHRESH to 8, burst writeback */ 3995 txdctl |= (8 << 16); 3996 /* 3997 * When the internal queue falls below PTHRESH (32), 3998 * start prefetching as long as there are at least 3999 * HTHRESH (1) buffers ready. The values are taken 4000 * from the Intel linux driver 3.8.21. 4001 * Prefetching enables tx line rate even with 1 queue. 4002 */ 4003 txdctl |= (32 << 0) | (1 << 8); 4004 IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(txr->me), txdctl); 4005 } 4006 4007 for (i = 0; i < adapter->num_queues; i++) { 4008 rxr = &adapter->rx_rings[i]; 4009 rxdctl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(rxr->me)); 4010 if (hw->mac.type == ixgbe_mac_82598EB) { 4011 /* 4012 * PTHRESH = 21 4013 * HTHRESH = 4 4014 * WTHRESH = 8 4015 */ 4016 rxdctl &= ~0x3FFFFF; 4017 rxdctl |= 0x080420; 4018 } 4019 rxdctl |= IXGBE_RXDCTL_ENABLE; 4020 IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(rxr->me), rxdctl); 4021 for (j = 0; j < 10; j++) { 4022 if (IXGBE_READ_REG(hw, IXGBE_RXDCTL(rxr->me)) & 4023 IXGBE_RXDCTL_ENABLE) 4024 break; 4025 else 4026 msec_delay(1); 4027 } 4028 IXGBE_WRITE_BARRIER(hw); 4029 4030 /* 4031 * In netmap mode, we must preserve the buffers made 4032 * available to userspace before the if_init() 4033 * (this is true by default on the TX side, because 4034 * init makes all buffers available to userspace). 4035 * 4036 * netmap_reset() and the device specific routines 4037 * (e.g. ixgbe_setup_receive_rings()) map these 4038 * buffers at the end of the NIC ring, so here we 4039 * must set the RDT (tail) register to make sure 4040 * they are not overwritten. 4041 * 4042 * In this driver the NIC ring starts at RDH = 0, 4043 * RDT points to the last slot available for reception (?), 4044 * so RDT = num_rx_desc - 1 means the whole ring is available. 4045 */ 4046 #ifdef DEV_NETMAP 4047 if ((adapter->feat_en & IXGBE_FEATURE_NETMAP) && 4048 (ifp->if_capenable & IFCAP_NETMAP)) { 4049 struct netmap_adapter *na = NA(adapter->ifp); 4050 struct netmap_kring *kring = na->rx_rings[i]; 4051 int t = na->num_rx_desc - 1 - nm_kr_rxspace(kring); 4052 4053 IXGBE_WRITE_REG(hw, IXGBE_RDT(rxr->me), t); 4054 } else 4055 #endif /* DEV_NETMAP */ 4056 IXGBE_WRITE_REG(hw, IXGBE_RDT(rxr->me), 4057 adapter->num_rx_desc - 1); 4058 } 4059 4060 /* Enable Receive engine */ 4061 rxctrl = IXGBE_READ_REG(hw, IXGBE_RXCTRL); 4062 if (hw->mac.type == ixgbe_mac_82598EB) 4063 rxctrl |= IXGBE_RXCTRL_DMBYPS; 4064 rxctrl |= IXGBE_RXCTRL_RXEN; 4065 ixgbe_enable_rx_dma(hw, rxctrl); 4066 4067 callout_reset(&adapter->timer, hz, ixgbe_local_timer, adapter); 4068 atomic_store_relaxed(&adapter->timer_pending, 0); 4069 if (adapter->feat_en & IXGBE_FEATURE_RECOVERY_MODE) 4070 callout_reset(&adapter->recovery_mode_timer, hz, 4071 ixgbe_recovery_mode_timer, adapter); 4072 4073 /* Set up MSI/MSI-X routing */ 4074 if (adapter->feat_en & IXGBE_FEATURE_MSIX) { 4075 ixgbe_configure_ivars(adapter); 4076 /* Set up auto-mask */ 4077 if (hw->mac.type == ixgbe_mac_82598EB) 4078 IXGBE_WRITE_REG(hw, IXGBE_EIAM, IXGBE_EICS_RTX_QUEUE); 4079 else { 4080 IXGBE_WRITE_REG(hw, IXGBE_EIAM_EX(0), 0xFFFFFFFF); 4081 IXGBE_WRITE_REG(hw, IXGBE_EIAM_EX(1), 0xFFFFFFFF); 4082 } 4083 } else { /* Simple settings for Legacy/MSI */ 4084 ixgbe_set_ivar(adapter, 0, 0, 0); 4085 ixgbe_set_ivar(adapter, 0, 0, 1); 4086 IXGBE_WRITE_REG(hw, IXGBE_EIAM, IXGBE_EICS_RTX_QUEUE); 4087 } 4088 4089 ixgbe_init_fdir(adapter); 4090 4091 /* 4092 * Check on any SFP devices that 4093 * need to be kick-started 4094 */ 4095 if (hw->phy.type == ixgbe_phy_none) { 4096 err = hw->phy.ops.identify(hw); 4097 if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) 4098 unsupported_sfp = true; 4099 } else if (hw->phy.type == ixgbe_phy_sfp_unsupported) 4100 unsupported_sfp = true; 4101 4102 if (unsupported_sfp) 4103 device_printf(dev, 4104 "Unsupported SFP+ module type was detected.\n"); 4105 4106 /* Set moderation on the Link interrupt */ 4107 ixgbe_eitr_write(adapter, adapter->vector, IXGBE_LINK_ITR); 4108 4109 /* Enable EEE power saving */ 4110 if (adapter->feat_cap & IXGBE_FEATURE_EEE) 4111 hw->mac.ops.setup_eee(hw, 4112 adapter->feat_en & IXGBE_FEATURE_EEE); 4113 4114 /* Enable power to the phy. */ 4115 if (!unsupported_sfp) { 4116 ixgbe_set_phy_power(hw, TRUE); 4117 4118 /* Config/Enable Link */ 4119 ixgbe_config_link(adapter); 4120 } 4121 4122 /* Hardware Packet Buffer & Flow Control setup */ 4123 ixgbe_config_delay_values(adapter); 4124 4125 /* Initialize the FC settings */ 4126 ixgbe_start_hw(hw); 4127 4128 /* Set up VLAN support and filter */ 4129 ixgbe_setup_vlan_hw_support(adapter); 4130 4131 /* Setup DMA Coalescing */ 4132 ixgbe_config_dmac(adapter); 4133 4134 /* OK to schedule workqueues. */ 4135 adapter->schedule_wqs_ok = true; 4136 4137 /* And now turn on interrupts */ 4138 ixgbe_enable_intr(adapter); 4139 4140 /* Enable the use of the MBX by the VF's */ 4141 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) { 4142 ctrl_ext = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT); 4143 ctrl_ext |= IXGBE_CTRL_EXT_PFRSTD; 4144 IXGBE_WRITE_REG(hw, IXGBE_CTRL_EXT, ctrl_ext); 4145 } 4146 4147 /* Update saved flags. See ixgbe_ifflags_cb() */ 4148 adapter->if_flags = ifp->if_flags; 4149 adapter->ec_capenable = adapter->osdep.ec.ec_capenable; 4150 4151 /* Now inform the stack we're ready */ 4152 ifp->if_flags |= IFF_RUNNING; 4153 4154 return; 4155 } /* ixgbe_init_locked */ 4156 4157 /************************************************************************ 4158 * ixgbe_init 4159 ************************************************************************/ 4160 static int 4161 ixgbe_init(struct ifnet *ifp) 4162 { 4163 struct adapter *adapter = ifp->if_softc; 4164 4165 IXGBE_CORE_LOCK(adapter); 4166 ixgbe_init_locked(adapter); 4167 IXGBE_CORE_UNLOCK(adapter); 4168 4169 return 0; /* XXX ixgbe_init_locked cannot fail? really? */ 4170 } /* ixgbe_init */ 4171 4172 /************************************************************************ 4173 * ixgbe_set_ivar 4174 * 4175 * Setup the correct IVAR register for a particular MSI-X interrupt 4176 * (yes this is all very magic and confusing :) 4177 * - entry is the register array entry 4178 * - vector is the MSI-X vector for this queue 4179 * - type is RX/TX/MISC 4180 ************************************************************************/ 4181 static void 4182 ixgbe_set_ivar(struct adapter *adapter, u8 entry, u8 vector, s8 type) 4183 { 4184 struct ixgbe_hw *hw = &adapter->hw; 4185 u32 ivar, index; 4186 4187 vector |= IXGBE_IVAR_ALLOC_VAL; 4188 4189 switch (hw->mac.type) { 4190 case ixgbe_mac_82598EB: 4191 if (type == -1) 4192 entry = IXGBE_IVAR_OTHER_CAUSES_INDEX; 4193 else 4194 entry += (type * 64); 4195 index = (entry >> 2) & 0x1F; 4196 ivar = IXGBE_READ_REG(hw, IXGBE_IVAR(index)); 4197 ivar &= ~(0xffUL << (8 * (entry & 0x3))); 4198 ivar |= ((u32)vector << (8 * (entry & 0x3))); 4199 IXGBE_WRITE_REG(&adapter->hw, IXGBE_IVAR(index), ivar); 4200 break; 4201 case ixgbe_mac_82599EB: 4202 case ixgbe_mac_X540: 4203 case ixgbe_mac_X550: 4204 case ixgbe_mac_X550EM_x: 4205 case ixgbe_mac_X550EM_a: 4206 if (type == -1) { /* MISC IVAR */ 4207 index = (entry & 1) * 8; 4208 ivar = IXGBE_READ_REG(hw, IXGBE_IVAR_MISC); 4209 ivar &= ~(0xffUL << index); 4210 ivar |= ((u32)vector << index); 4211 IXGBE_WRITE_REG(hw, IXGBE_IVAR_MISC, ivar); 4212 } else { /* RX/TX IVARS */ 4213 index = (16 * (entry & 1)) + (8 * type); 4214 ivar = IXGBE_READ_REG(hw, IXGBE_IVAR(entry >> 1)); 4215 ivar &= ~(0xffUL << index); 4216 ivar |= ((u32)vector << index); 4217 IXGBE_WRITE_REG(hw, IXGBE_IVAR(entry >> 1), ivar); 4218 } 4219 break; 4220 default: 4221 break; 4222 } 4223 } /* ixgbe_set_ivar */ 4224 4225 /************************************************************************ 4226 * ixgbe_configure_ivars 4227 ************************************************************************/ 4228 static void 4229 ixgbe_configure_ivars(struct adapter *adapter) 4230 { 4231 struct ix_queue *que = adapter->queues; 4232 u32 newitr; 4233 4234 if (ixgbe_max_interrupt_rate > 0) 4235 newitr = (4000000 / ixgbe_max_interrupt_rate) & 0x0FF8; 4236 else { 4237 /* 4238 * Disable DMA coalescing if interrupt moderation is 4239 * disabled. 4240 */ 4241 adapter->dmac = 0; 4242 newitr = 0; 4243 } 4244 4245 for (int i = 0; i < adapter->num_queues; i++, que++) { 4246 struct rx_ring *rxr = &adapter->rx_rings[i]; 4247 struct tx_ring *txr = &adapter->tx_rings[i]; 4248 /* First the RX queue entry */ 4249 ixgbe_set_ivar(adapter, rxr->me, que->msix, 0); 4250 /* ... and the TX */ 4251 ixgbe_set_ivar(adapter, txr->me, que->msix, 1); 4252 /* Set an Initial EITR value */ 4253 ixgbe_eitr_write(adapter, que->msix, newitr); 4254 /* 4255 * To eliminate influence of the previous state. 4256 * At this point, Tx/Rx interrupt handler 4257 * (ixgbe_msix_que()) cannot be called, so both 4258 * IXGBE_TX_LOCK and IXGBE_RX_LOCK are not required. 4259 */ 4260 que->eitr_setting = 0; 4261 } 4262 4263 /* For the Link interrupt */ 4264 ixgbe_set_ivar(adapter, 1, adapter->vector, -1); 4265 } /* ixgbe_configure_ivars */ 4266 4267 /************************************************************************ 4268 * ixgbe_config_gpie 4269 ************************************************************************/ 4270 static void 4271 ixgbe_config_gpie(struct adapter *adapter) 4272 { 4273 struct ixgbe_hw *hw = &adapter->hw; 4274 u32 gpie; 4275 4276 gpie = IXGBE_READ_REG(hw, IXGBE_GPIE); 4277 4278 if (adapter->feat_en & IXGBE_FEATURE_MSIX) { 4279 /* Enable Enhanced MSI-X mode */ 4280 gpie |= IXGBE_GPIE_MSIX_MODE 4281 | IXGBE_GPIE_EIAME 4282 | IXGBE_GPIE_PBA_SUPPORT 4283 | IXGBE_GPIE_OCD; 4284 } 4285 4286 /* Fan Failure Interrupt */ 4287 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) 4288 gpie |= IXGBE_SDP1_GPIEN; 4289 4290 /* Thermal Sensor Interrupt */ 4291 if (adapter->feat_en & IXGBE_FEATURE_TEMP_SENSOR) 4292 gpie |= IXGBE_SDP0_GPIEN_X540; 4293 4294 /* Link detection */ 4295 switch (hw->mac.type) { 4296 case ixgbe_mac_82599EB: 4297 gpie |= IXGBE_SDP1_GPIEN | IXGBE_SDP2_GPIEN; 4298 break; 4299 case ixgbe_mac_X550EM_x: 4300 case ixgbe_mac_X550EM_a: 4301 gpie |= IXGBE_SDP0_GPIEN_X540; 4302 break; 4303 default: 4304 break; 4305 } 4306 4307 IXGBE_WRITE_REG(hw, IXGBE_GPIE, gpie); 4308 4309 } /* ixgbe_config_gpie */ 4310 4311 /************************************************************************ 4312 * ixgbe_config_delay_values 4313 * 4314 * Requires adapter->max_frame_size to be set. 4315 ************************************************************************/ 4316 static void 4317 ixgbe_config_delay_values(struct adapter *adapter) 4318 { 4319 struct ixgbe_hw *hw = &adapter->hw; 4320 u32 rxpb, frame, size, tmp; 4321 4322 frame = adapter->max_frame_size; 4323 4324 /* Calculate High Water */ 4325 switch (hw->mac.type) { 4326 case ixgbe_mac_X540: 4327 case ixgbe_mac_X550: 4328 case ixgbe_mac_X550EM_x: 4329 case ixgbe_mac_X550EM_a: 4330 tmp = IXGBE_DV_X540(frame, frame); 4331 break; 4332 default: 4333 tmp = IXGBE_DV(frame, frame); 4334 break; 4335 } 4336 size = IXGBE_BT2KB(tmp); 4337 rxpb = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(0)) >> 10; 4338 hw->fc.high_water[0] = rxpb - size; 4339 4340 /* Now calculate Low Water */ 4341 switch (hw->mac.type) { 4342 case ixgbe_mac_X540: 4343 case ixgbe_mac_X550: 4344 case ixgbe_mac_X550EM_x: 4345 case ixgbe_mac_X550EM_a: 4346 tmp = IXGBE_LOW_DV_X540(frame); 4347 break; 4348 default: 4349 tmp = IXGBE_LOW_DV(frame); 4350 break; 4351 } 4352 hw->fc.low_water[0] = IXGBE_BT2KB(tmp); 4353 4354 hw->fc.pause_time = IXGBE_FC_PAUSE; 4355 hw->fc.send_xon = TRUE; 4356 } /* ixgbe_config_delay_values */ 4357 4358 /************************************************************************ 4359 * ixgbe_set_rxfilter - Multicast Update 4360 * 4361 * Called whenever multicast address list is updated. 4362 ************************************************************************/ 4363 static void 4364 ixgbe_set_rxfilter(struct adapter *adapter) 4365 { 4366 struct ixgbe_mc_addr *mta; 4367 struct ifnet *ifp = adapter->ifp; 4368 u8 *update_ptr; 4369 int mcnt = 0; 4370 u32 fctrl; 4371 struct ethercom *ec = &adapter->osdep.ec; 4372 struct ether_multi *enm; 4373 struct ether_multistep step; 4374 4375 KASSERT(mutex_owned(&adapter->core_mtx)); 4376 IOCTL_DEBUGOUT("ixgbe_set_rxfilter: begin"); 4377 4378 mta = adapter->mta; 4379 bzero(mta, sizeof(*mta) * MAX_NUM_MULTICAST_ADDRESSES); 4380 4381 ETHER_LOCK(ec); 4382 ec->ec_flags &= ~ETHER_F_ALLMULTI; 4383 ETHER_FIRST_MULTI(step, ec, enm); 4384 while (enm != NULL) { 4385 if ((mcnt == MAX_NUM_MULTICAST_ADDRESSES) || 4386 (memcmp(enm->enm_addrlo, enm->enm_addrhi, 4387 ETHER_ADDR_LEN) != 0)) { 4388 ec->ec_flags |= ETHER_F_ALLMULTI; 4389 break; 4390 } 4391 bcopy(enm->enm_addrlo, 4392 mta[mcnt].addr, IXGBE_ETH_LENGTH_OF_ADDRESS); 4393 mta[mcnt].vmdq = adapter->pool; 4394 mcnt++; 4395 ETHER_NEXT_MULTI(step, enm); 4396 } 4397 4398 fctrl = IXGBE_READ_REG(&adapter->hw, IXGBE_FCTRL); 4399 if (ifp->if_flags & IFF_PROMISC) 4400 fctrl |= (IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE); 4401 else if (ec->ec_flags & ETHER_F_ALLMULTI) { 4402 fctrl |= IXGBE_FCTRL_MPE; 4403 fctrl &= ~IXGBE_FCTRL_UPE; 4404 } else 4405 fctrl &= ~(IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE); 4406 4407 IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCTRL, fctrl); 4408 4409 /* Update multicast filter entries only when it's not ALLMULTI */ 4410 if ((ec->ec_flags & ETHER_F_ALLMULTI) == 0) { 4411 ETHER_UNLOCK(ec); 4412 update_ptr = (u8 *)mta; 4413 ixgbe_update_mc_addr_list(&adapter->hw, update_ptr, mcnt, 4414 ixgbe_mc_array_itr, TRUE); 4415 } else 4416 ETHER_UNLOCK(ec); 4417 } /* ixgbe_set_rxfilter */ 4418 4419 /************************************************************************ 4420 * ixgbe_mc_array_itr 4421 * 4422 * An iterator function needed by the multicast shared code. 4423 * It feeds the shared code routine the addresses in the 4424 * array of ixgbe_set_rxfilter() one by one. 4425 ************************************************************************/ 4426 static u8 * 4427 ixgbe_mc_array_itr(struct ixgbe_hw *hw, u8 **update_ptr, u32 *vmdq) 4428 { 4429 struct ixgbe_mc_addr *mta; 4430 4431 mta = (struct ixgbe_mc_addr *)*update_ptr; 4432 *vmdq = mta->vmdq; 4433 4434 *update_ptr = (u8*)(mta + 1); 4435 4436 return (mta->addr); 4437 } /* ixgbe_mc_array_itr */ 4438 4439 /************************************************************************ 4440 * ixgbe_local_timer - Timer routine 4441 * 4442 * Checks for link status, updates statistics, 4443 * and runs the watchdog check. 4444 ************************************************************************/ 4445 static void 4446 ixgbe_local_timer(void *arg) 4447 { 4448 struct adapter *adapter = arg; 4449 4450 if (adapter->schedule_wqs_ok) { 4451 if (atomic_cas_uint(&adapter->timer_pending, 0, 1) == 0) 4452 workqueue_enqueue(adapter->timer_wq, 4453 &adapter->timer_wc, NULL); 4454 } 4455 } 4456 4457 static void 4458 ixgbe_handle_timer(struct work *wk, void *context) 4459 { 4460 struct adapter *adapter = context; 4461 struct ixgbe_hw *hw = &adapter->hw; 4462 device_t dev = adapter->dev; 4463 struct ix_queue *que = adapter->queues; 4464 u64 queues = 0; 4465 u64 v0, v1, v2, v3, v4, v5, v6, v7; 4466 int hung = 0; 4467 int i; 4468 bool do_probe = false; 4469 4470 IXGBE_CORE_LOCK(adapter); 4471 4472 /* Check for pluggable optics */ 4473 if (ixgbe_is_sfp(hw)) { 4474 bool was_full = hw->phy.sfp_type != ixgbe_sfp_type_not_present; 4475 bool is_full = ixgbe_sfp_cage_full(hw); 4476 4477 /* do probe if cage state changed */ 4478 if (was_full ^ is_full) 4479 do_probe = true; 4480 } 4481 if (do_probe) { 4482 atomic_or_32(&adapter->task_requests, IXGBE_REQUEST_TASK_MOD); 4483 ixgbe_schedule_admin_tasklet(adapter); 4484 } 4485 4486 ixgbe_update_link_status(adapter); 4487 ixgbe_update_stats_counters(adapter); 4488 4489 /* Update some event counters */ 4490 v0 = v1 = v2 = v3 = v4 = v5 = v6 = v7 = 0; 4491 que = adapter->queues; 4492 for (i = 0; i < adapter->num_queues; i++, que++) { 4493 struct tx_ring *txr = que->txr; 4494 4495 v0 += txr->q_efbig_tx_dma_setup; 4496 v1 += txr->q_mbuf_defrag_failed; 4497 v2 += txr->q_efbig2_tx_dma_setup; 4498 v3 += txr->q_einval_tx_dma_setup; 4499 v4 += txr->q_other_tx_dma_setup; 4500 v5 += txr->q_eagain_tx_dma_setup; 4501 v6 += txr->q_enomem_tx_dma_setup; 4502 v7 += txr->q_tso_err; 4503 } 4504 adapter->efbig_tx_dma_setup.ev_count = v0; 4505 adapter->mbuf_defrag_failed.ev_count = v1; 4506 adapter->efbig2_tx_dma_setup.ev_count = v2; 4507 adapter->einval_tx_dma_setup.ev_count = v3; 4508 adapter->other_tx_dma_setup.ev_count = v4; 4509 adapter->eagain_tx_dma_setup.ev_count = v5; 4510 adapter->enomem_tx_dma_setup.ev_count = v6; 4511 adapter->tso_err.ev_count = v7; 4512 4513 /* 4514 * Check the TX queues status 4515 * - mark hung queues so we don't schedule on them 4516 * - watchdog only if all queues show hung 4517 */ 4518 que = adapter->queues; 4519 for (i = 0; i < adapter->num_queues; i++, que++) { 4520 /* Keep track of queues with work for soft irq */ 4521 if (que->txr->busy) 4522 queues |= 1ULL << que->me; 4523 /* 4524 * Each time txeof runs without cleaning, but there 4525 * are uncleaned descriptors it increments busy. If 4526 * we get to the MAX we declare it hung. 4527 */ 4528 if (que->busy == IXGBE_QUEUE_HUNG) { 4529 ++hung; 4530 /* Mark the queue as inactive */ 4531 adapter->active_queues &= ~(1ULL << que->me); 4532 continue; 4533 } else { 4534 /* Check if we've come back from hung */ 4535 if ((adapter->active_queues & (1ULL << que->me)) == 0) 4536 adapter->active_queues |= 1ULL << que->me; 4537 } 4538 if (que->busy >= IXGBE_MAX_TX_BUSY) { 4539 device_printf(dev, 4540 "Warning queue %d appears to be hung!\n", i); 4541 que->txr->busy = IXGBE_QUEUE_HUNG; 4542 ++hung; 4543 } 4544 } 4545 4546 /* Only truly watchdog if all queues show hung */ 4547 if (hung == adapter->num_queues) 4548 goto watchdog; 4549 #if 0 /* XXX Avoid unexpectedly disabling interrupt forever (PR#53294) */ 4550 else if (queues != 0) { /* Force an IRQ on queues with work */ 4551 que = adapter->queues; 4552 for (i = 0; i < adapter->num_queues; i++, que++) { 4553 mutex_enter(&que->dc_mtx); 4554 if (que->disabled_count == 0) 4555 ixgbe_rearm_queues(adapter, 4556 queues & ((u64)1 << i)); 4557 mutex_exit(&que->dc_mtx); 4558 } 4559 } 4560 #endif 4561 4562 atomic_store_relaxed(&adapter->timer_pending, 0); 4563 IXGBE_CORE_UNLOCK(adapter); 4564 callout_reset(&adapter->timer, hz, ixgbe_local_timer, adapter); 4565 return; 4566 4567 watchdog: 4568 device_printf(adapter->dev, "Watchdog timeout -- resetting\n"); 4569 adapter->ifp->if_flags &= ~IFF_RUNNING; 4570 adapter->watchdog_events.ev_count++; 4571 ixgbe_init_locked(adapter); 4572 IXGBE_CORE_UNLOCK(adapter); 4573 } /* ixgbe_handle_timer */ 4574 4575 /************************************************************************ 4576 * ixgbe_recovery_mode_timer - Recovery mode timer routine 4577 ************************************************************************/ 4578 static void 4579 ixgbe_recovery_mode_timer(void *arg) 4580 { 4581 struct adapter *adapter = arg; 4582 4583 if (atomic_cas_uint(&adapter->recovery_mode_timer_pending, 0, 1) == 0) 4584 { 4585 workqueue_enqueue(adapter->recovery_mode_timer_wq, 4586 &adapter->recovery_mode_timer_wc, NULL); 4587 } 4588 } 4589 4590 static void 4591 ixgbe_handle_recovery_mode_timer(struct work *wk, void *context) 4592 { 4593 struct adapter *adapter = context; 4594 struct ixgbe_hw *hw = &adapter->hw; 4595 4596 IXGBE_CORE_LOCK(adapter); 4597 if (ixgbe_fw_recovery_mode(hw)) { 4598 if (atomic_cas_uint(&adapter->recovery_mode, 0, 1)) { 4599 /* Firmware error detected, entering recovery mode */ 4600 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"); 4601 4602 if (hw->adapter_stopped == FALSE) 4603 ixgbe_stop(adapter); 4604 } 4605 } else 4606 atomic_cas_uint(&adapter->recovery_mode, 1, 0); 4607 4608 atomic_store_relaxed(&adapter->recovery_mode_timer_pending, 0); 4609 callout_reset(&adapter->recovery_mode_timer, hz, 4610 ixgbe_recovery_mode_timer, adapter); 4611 IXGBE_CORE_UNLOCK(adapter); 4612 } /* ixgbe_handle_recovery_mode_timer */ 4613 4614 /************************************************************************ 4615 * ixgbe_sfp_cage_full 4616 * 4617 * Determine if a port had optics inserted. 4618 ************************************************************************/ 4619 static bool 4620 ixgbe_sfp_cage_full(struct ixgbe_hw *hw) 4621 { 4622 uint32_t mask; 4623 4624 if (hw->mac.type >= ixgbe_mac_X540) 4625 mask = IXGBE_ESDP_SDP0; 4626 else 4627 mask = IXGBE_ESDP_SDP2; 4628 4629 return IXGBE_READ_REG(hw, IXGBE_ESDP) & mask; 4630 } /* ixgbe_sfp_cage_full */ 4631 4632 /************************************************************************ 4633 * ixgbe_handle_mod - Tasklet for SFP module interrupts 4634 ************************************************************************/ 4635 static void 4636 ixgbe_handle_mod(void *context) 4637 { 4638 struct adapter *adapter = context; 4639 struct ixgbe_hw *hw = &adapter->hw; 4640 device_t dev = adapter->dev; 4641 u32 err, cage_full = 0; 4642 4643 ++adapter->mod_workev.ev_count; 4644 if (adapter->hw.need_crosstalk_fix) { 4645 switch (hw->mac.type) { 4646 case ixgbe_mac_82599EB: 4647 cage_full = IXGBE_READ_REG(hw, IXGBE_ESDP) & 4648 IXGBE_ESDP_SDP2; 4649 break; 4650 case ixgbe_mac_X550EM_x: 4651 case ixgbe_mac_X550EM_a: 4652 cage_full = IXGBE_READ_REG(hw, IXGBE_ESDP) & 4653 IXGBE_ESDP_SDP0; 4654 break; 4655 default: 4656 break; 4657 } 4658 4659 if (!cage_full) 4660 goto out; 4661 } 4662 4663 err = hw->phy.ops.identify_sfp(hw); 4664 if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) { 4665 device_printf(dev, 4666 "Unsupported SFP+ module type was detected.\n"); 4667 goto out; 4668 } 4669 4670 if (hw->need_unsupported_sfp_recovery) { 4671 device_printf(dev, "Recovering from unsupported SFP\n"); 4672 /* 4673 * We could recover the status by calling setup_sfp(), 4674 * setup_link() and some others. It's complex and might not 4675 * work correctly on some unknown cases. To avoid such type of 4676 * problem, call ixgbe_init_locked(). It's simple and safe 4677 * approach. 4678 */ 4679 ixgbe_init_locked(adapter); 4680 } else { 4681 if (hw->mac.type == ixgbe_mac_82598EB) 4682 err = hw->phy.ops.reset(hw); 4683 else { 4684 err = hw->mac.ops.setup_sfp(hw); 4685 hw->phy.sfp_setup_needed = FALSE; 4686 } 4687 if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) { 4688 device_printf(dev, 4689 "Setup failure - unsupported SFP+ module type.\n"); 4690 goto out; 4691 } 4692 } 4693 4694 out: 4695 /* get_supported_phy_layer will call hw->phy.ops.identify_sfp() */ 4696 adapter->phy_layer = ixgbe_get_supported_physical_layer(hw); 4697 4698 /* Adjust media types shown in ifconfig */ 4699 IXGBE_CORE_UNLOCK(adapter); 4700 ifmedia_removeall(&adapter->media); 4701 ixgbe_add_media_types(adapter); 4702 ifmedia_set(&adapter->media, IFM_ETHER | IFM_AUTO); 4703 IXGBE_CORE_LOCK(adapter); 4704 4705 atomic_or_32(&adapter->task_requests, IXGBE_REQUEST_TASK_MSF); 4706 /* 4707 * Don't call ixgbe_schedule_admin_tasklet() because we are on 4708 * the workqueue now. 4709 */ 4710 } /* ixgbe_handle_mod */ 4711 4712 4713 /************************************************************************ 4714 * ixgbe_handle_msf - Tasklet for MSF (multispeed fiber) interrupts 4715 ************************************************************************/ 4716 static void 4717 ixgbe_handle_msf(void *context) 4718 { 4719 struct adapter *adapter = context; 4720 struct ixgbe_hw *hw = &adapter->hw; 4721 u32 autoneg; 4722 bool negotiate; 4723 4724 ++adapter->msf_workev.ev_count; 4725 4726 autoneg = hw->phy.autoneg_advertised; 4727 if ((!autoneg) && (hw->mac.ops.get_link_capabilities)) 4728 hw->mac.ops.get_link_capabilities(hw, &autoneg, &negotiate); 4729 if (hw->mac.ops.setup_link) 4730 hw->mac.ops.setup_link(hw, autoneg, TRUE); 4731 } /* ixgbe_handle_msf */ 4732 4733 /************************************************************************ 4734 * ixgbe_handle_phy - Tasklet for external PHY interrupts 4735 ************************************************************************/ 4736 static void 4737 ixgbe_handle_phy(void *context) 4738 { 4739 struct adapter *adapter = context; 4740 struct ixgbe_hw *hw = &adapter->hw; 4741 int error; 4742 4743 ++adapter->phy_workev.ev_count; 4744 error = hw->phy.ops.handle_lasi(hw); 4745 if (error == IXGBE_ERR_OVERTEMP) 4746 device_printf(adapter->dev, 4747 "CRITICAL: EXTERNAL PHY OVER TEMP!! " 4748 " PHY will downshift to lower power state!\n"); 4749 else if (error) 4750 device_printf(adapter->dev, 4751 "Error handling LASI interrupt: %d\n", error); 4752 } /* ixgbe_handle_phy */ 4753 4754 static void 4755 ixgbe_handle_admin(struct work *wk, void *context) 4756 { 4757 struct adapter *adapter = context; 4758 struct ifnet *ifp = adapter->ifp; 4759 struct ixgbe_hw *hw = &adapter->hw; 4760 u32 req; 4761 4762 /* 4763 * Hold the IFNET_LOCK across this entire call. This will 4764 * prevent additional changes to adapter->phy_layer 4765 * and serialize calls to this tasklet. We cannot hold the 4766 * CORE_LOCK while calling into the ifmedia functions as 4767 * they call ifmedia_lock() and the lock is CORE_LOCK. 4768 */ 4769 IFNET_LOCK(ifp); 4770 IXGBE_CORE_LOCK(adapter); 4771 while ((req = adapter->task_requests) != 0) { 4772 if ((req & IXGBE_REQUEST_TASK_LSC) != 0) { 4773 ixgbe_handle_link(adapter); 4774 atomic_and_32(&adapter->task_requests, 4775 ~IXGBE_REQUEST_TASK_LSC); 4776 } 4777 if ((req & IXGBE_REQUEST_TASK_MOD) != 0) { 4778 ixgbe_handle_mod(adapter); 4779 atomic_and_32(&adapter->task_requests, 4780 ~IXGBE_REQUEST_TASK_MOD); 4781 } 4782 if ((req & IXGBE_REQUEST_TASK_MSF) != 0) { 4783 ixgbe_handle_msf(adapter); 4784 atomic_and_32(&adapter->task_requests, 4785 ~IXGBE_REQUEST_TASK_MSF); 4786 } 4787 if ((req & IXGBE_REQUEST_TASK_PHY) != 0) { 4788 ixgbe_handle_phy(adapter); 4789 atomic_and_32(&adapter->task_requests, 4790 ~IXGBE_REQUEST_TASK_PHY); 4791 } 4792 if ((req & IXGBE_REQUEST_TASK_FDIR) != 0) { 4793 ixgbe_reinit_fdir(adapter); 4794 atomic_and_32(&adapter->task_requests, 4795 ~IXGBE_REQUEST_TASK_FDIR); 4796 } 4797 #if 0 /* notyet */ 4798 if ((req & IXGBE_REQUEST_TASK_MBX) != 0) { 4799 ixgbe_handle_mbx(adapter); 4800 atomic_and_32(&adapter->task_requests, 4801 ~IXGBE_REQUEST_TASK_MBX); 4802 } 4803 #endif 4804 } 4805 atomic_store_relaxed(&adapter->admin_pending, 0); 4806 if ((req & IXGBE_REQUEST_TASK_NEED_ACKINTR) != 0) { 4807 if ((adapter->feat_en & IXGBE_FEATURE_MSIX) != 0) { 4808 /* Re-enable other interrupts */ 4809 IXGBE_WRITE_REG(hw, IXGBE_EIMS, IXGBE_EIMS_OTHER); 4810 } else 4811 ixgbe_enable_intr(adapter); 4812 } 4813 4814 IXGBE_CORE_UNLOCK(adapter); 4815 IFNET_UNLOCK(ifp); 4816 } /* ixgbe_handle_admin */ 4817 4818 static void 4819 ixgbe_ifstop(struct ifnet *ifp, int disable) 4820 { 4821 struct adapter *adapter = ifp->if_softc; 4822 4823 IXGBE_CORE_LOCK(adapter); 4824 ixgbe_stop(adapter); 4825 IXGBE_CORE_UNLOCK(adapter); 4826 4827 workqueue_wait(adapter->admin_wq, &adapter->admin_wc); 4828 atomic_store_relaxed(&adapter->admin_pending, 0); 4829 workqueue_wait(adapter->timer_wq, &adapter->timer_wc); 4830 atomic_store_relaxed(&adapter->timer_pending, 0); 4831 } 4832 4833 /************************************************************************ 4834 * ixgbe_stop - Stop the hardware 4835 * 4836 * Disables all traffic on the adapter by issuing a 4837 * global reset on the MAC and deallocates TX/RX buffers. 4838 ************************************************************************/ 4839 static void 4840 ixgbe_stop(void *arg) 4841 { 4842 struct ifnet *ifp; 4843 struct adapter *adapter = arg; 4844 struct ixgbe_hw *hw = &adapter->hw; 4845 4846 ifp = adapter->ifp; 4847 4848 KASSERT(mutex_owned(&adapter->core_mtx)); 4849 4850 INIT_DEBUGOUT("ixgbe_stop: begin\n"); 4851 ixgbe_disable_intr(adapter); 4852 callout_stop(&adapter->timer); 4853 4854 /* Don't schedule workqueues. */ 4855 adapter->schedule_wqs_ok = false; 4856 4857 /* Let the stack know...*/ 4858 ifp->if_flags &= ~IFF_RUNNING; 4859 4860 ixgbe_reset_hw(hw); 4861 hw->adapter_stopped = FALSE; 4862 ixgbe_stop_adapter(hw); 4863 if (hw->mac.type == ixgbe_mac_82599EB) 4864 ixgbe_stop_mac_link_on_d3_82599(hw); 4865 /* Turn off the laser - noop with no optics */ 4866 ixgbe_disable_tx_laser(hw); 4867 4868 /* Update the stack */ 4869 adapter->link_up = FALSE; 4870 ixgbe_update_link_status(adapter); 4871 4872 /* reprogram the RAR[0] in case user changed it. */ 4873 ixgbe_set_rar(&adapter->hw, 0, adapter->hw.mac.addr, 0, IXGBE_RAH_AV); 4874 4875 return; 4876 } /* ixgbe_stop */ 4877 4878 /************************************************************************ 4879 * ixgbe_update_link_status - Update OS on link state 4880 * 4881 * Note: Only updates the OS on the cached link state. 4882 * The real check of the hardware only happens with 4883 * a link interrupt. 4884 ************************************************************************/ 4885 static void 4886 ixgbe_update_link_status(struct adapter *adapter) 4887 { 4888 struct ifnet *ifp = adapter->ifp; 4889 device_t dev = adapter->dev; 4890 struct ixgbe_hw *hw = &adapter->hw; 4891 4892 KASSERT(mutex_owned(&adapter->core_mtx)); 4893 4894 if (adapter->link_up) { 4895 if (adapter->link_active != LINK_STATE_UP) { 4896 /* 4897 * To eliminate influence of the previous state 4898 * in the same way as ixgbe_init_locked(). 4899 */ 4900 struct ix_queue *que = adapter->queues; 4901 for (int i = 0; i < adapter->num_queues; i++, que++) 4902 que->eitr_setting = 0; 4903 4904 if (adapter->link_speed == IXGBE_LINK_SPEED_10GB_FULL){ 4905 /* 4906 * Discard count for both MAC Local Fault and 4907 * Remote Fault because those registers are 4908 * valid only when the link speed is up and 4909 * 10Gbps. 4910 */ 4911 IXGBE_READ_REG(hw, IXGBE_MLFC); 4912 IXGBE_READ_REG(hw, IXGBE_MRFC); 4913 } 4914 4915 if (bootverbose) { 4916 const char *bpsmsg; 4917 4918 switch (adapter->link_speed) { 4919 case IXGBE_LINK_SPEED_10GB_FULL: 4920 bpsmsg = "10 Gbps"; 4921 break; 4922 case IXGBE_LINK_SPEED_5GB_FULL: 4923 bpsmsg = "5 Gbps"; 4924 break; 4925 case IXGBE_LINK_SPEED_2_5GB_FULL: 4926 bpsmsg = "2.5 Gbps"; 4927 break; 4928 case IXGBE_LINK_SPEED_1GB_FULL: 4929 bpsmsg = "1 Gbps"; 4930 break; 4931 case IXGBE_LINK_SPEED_100_FULL: 4932 bpsmsg = "100 Mbps"; 4933 break; 4934 case IXGBE_LINK_SPEED_10_FULL: 4935 bpsmsg = "10 Mbps"; 4936 break; 4937 default: 4938 bpsmsg = "unknown speed"; 4939 break; 4940 } 4941 device_printf(dev, "Link is up %s %s \n", 4942 bpsmsg, "Full Duplex"); 4943 } 4944 adapter->link_active = LINK_STATE_UP; 4945 /* Update any Flow Control changes */ 4946 ixgbe_fc_enable(&adapter->hw); 4947 /* Update DMA coalescing config */ 4948 ixgbe_config_dmac(adapter); 4949 if_link_state_change(ifp, LINK_STATE_UP); 4950 4951 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) 4952 ixgbe_ping_all_vfs(adapter); 4953 } 4954 } else { 4955 /* 4956 * Do it when link active changes to DOWN. i.e. 4957 * a) LINK_STATE_UNKNOWN -> LINK_STATE_DOWN 4958 * b) LINK_STATE_UP -> LINK_STATE_DOWN 4959 */ 4960 if (adapter->link_active != LINK_STATE_DOWN) { 4961 if (bootverbose) 4962 device_printf(dev, "Link is Down\n"); 4963 if_link_state_change(ifp, LINK_STATE_DOWN); 4964 adapter->link_active = LINK_STATE_DOWN; 4965 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) 4966 ixgbe_ping_all_vfs(adapter); 4967 ixgbe_drain_all(adapter); 4968 } 4969 } 4970 } /* ixgbe_update_link_status */ 4971 4972 /************************************************************************ 4973 * ixgbe_config_dmac - Configure DMA Coalescing 4974 ************************************************************************/ 4975 static void 4976 ixgbe_config_dmac(struct adapter *adapter) 4977 { 4978 struct ixgbe_hw *hw = &adapter->hw; 4979 struct ixgbe_dmac_config *dcfg = &hw->mac.dmac_config; 4980 4981 if (hw->mac.type < ixgbe_mac_X550 || !hw->mac.ops.dmac_config) 4982 return; 4983 4984 if (dcfg->watchdog_timer ^ adapter->dmac || 4985 dcfg->link_speed ^ adapter->link_speed) { 4986 dcfg->watchdog_timer = adapter->dmac; 4987 dcfg->fcoe_en = false; 4988 dcfg->link_speed = adapter->link_speed; 4989 dcfg->num_tcs = 1; 4990 4991 INIT_DEBUGOUT2("dmac settings: watchdog %d, link speed %d\n", 4992 dcfg->watchdog_timer, dcfg->link_speed); 4993 4994 hw->mac.ops.dmac_config(hw); 4995 } 4996 } /* ixgbe_config_dmac */ 4997 4998 /************************************************************************ 4999 * ixgbe_enable_intr 5000 ************************************************************************/ 5001 static void 5002 ixgbe_enable_intr(struct adapter *adapter) 5003 { 5004 struct ixgbe_hw *hw = &adapter->hw; 5005 struct ix_queue *que = adapter->queues; 5006 u32 mask, fwsm; 5007 5008 mask = (IXGBE_EIMS_ENABLE_MASK & ~IXGBE_EIMS_RTX_QUEUE); 5009 5010 switch (adapter->hw.mac.type) { 5011 case ixgbe_mac_82599EB: 5012 mask |= IXGBE_EIMS_ECC; 5013 /* Temperature sensor on some adapters */ 5014 mask |= IXGBE_EIMS_GPI_SDP0; 5015 /* SFP+ (RX_LOS_N & MOD_ABS_N) */ 5016 mask |= IXGBE_EIMS_GPI_SDP1; 5017 mask |= IXGBE_EIMS_GPI_SDP2; 5018 break; 5019 case ixgbe_mac_X540: 5020 /* Detect if Thermal Sensor is enabled */ 5021 fwsm = IXGBE_READ_REG(hw, IXGBE_FWSM); 5022 if (fwsm & IXGBE_FWSM_TS_ENABLED) 5023 mask |= IXGBE_EIMS_TS; 5024 mask |= IXGBE_EIMS_ECC; 5025 break; 5026 case ixgbe_mac_X550: 5027 /* MAC thermal sensor is automatically enabled */ 5028 mask |= IXGBE_EIMS_TS; 5029 mask |= IXGBE_EIMS_ECC; 5030 break; 5031 case ixgbe_mac_X550EM_x: 5032 case ixgbe_mac_X550EM_a: 5033 /* Some devices use SDP0 for important information */ 5034 if (hw->device_id == IXGBE_DEV_ID_X550EM_X_SFP || 5035 hw->device_id == IXGBE_DEV_ID_X550EM_A_SFP || 5036 hw->device_id == IXGBE_DEV_ID_X550EM_A_SFP_N || 5037 hw->device_id == IXGBE_DEV_ID_X550EM_X_10G_T) 5038 mask |= IXGBE_EIMS_GPI_SDP0_BY_MAC(hw); 5039 if (hw->phy.type == ixgbe_phy_x550em_ext_t) 5040 mask |= IXGBE_EICR_GPI_SDP0_X540; 5041 mask |= IXGBE_EIMS_ECC; 5042 break; 5043 default: 5044 break; 5045 } 5046 5047 /* Enable Fan Failure detection */ 5048 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) 5049 mask |= IXGBE_EIMS_GPI_SDP1; 5050 /* Enable SR-IOV */ 5051 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) 5052 mask |= IXGBE_EIMS_MAILBOX; 5053 /* Enable Flow Director */ 5054 if (adapter->feat_en & IXGBE_FEATURE_FDIR) 5055 mask |= IXGBE_EIMS_FLOW_DIR; 5056 5057 IXGBE_WRITE_REG(hw, IXGBE_EIMS, mask); 5058 5059 /* With MSI-X we use auto clear */ 5060 if (adapter->msix_mem) { 5061 mask = IXGBE_EIMS_ENABLE_MASK; 5062 /* Don't autoclear Link */ 5063 mask &= ~IXGBE_EIMS_OTHER; 5064 mask &= ~IXGBE_EIMS_LSC; 5065 if (adapter->feat_cap & IXGBE_FEATURE_SRIOV) 5066 mask &= ~IXGBE_EIMS_MAILBOX; 5067 IXGBE_WRITE_REG(hw, IXGBE_EIAC, mask); 5068 } 5069 5070 /* 5071 * Now enable all queues, this is done separately to 5072 * allow for handling the extended (beyond 32) MSI-X 5073 * vectors that can be used by 82599 5074 */ 5075 for (int i = 0; i < adapter->num_queues; i++, que++) 5076 ixgbe_enable_queue(adapter, que->msix); 5077 5078 IXGBE_WRITE_FLUSH(hw); 5079 5080 } /* ixgbe_enable_intr */ 5081 5082 /************************************************************************ 5083 * ixgbe_disable_intr_internal 5084 ************************************************************************/ 5085 static void 5086 ixgbe_disable_intr_internal(struct adapter *adapter, bool nestok) 5087 { 5088 struct ix_queue *que = adapter->queues; 5089 5090 /* disable interrupts other than queues */ 5091 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, ~IXGBE_EIMC_RTX_QUEUE); 5092 5093 if (adapter->msix_mem) 5094 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIAC, 0); 5095 5096 for (int i = 0; i < adapter->num_queues; i++, que++) 5097 ixgbe_disable_queue_internal(adapter, que->msix, nestok); 5098 5099 IXGBE_WRITE_FLUSH(&adapter->hw); 5100 5101 } /* ixgbe_do_disable_intr_internal */ 5102 5103 /************************************************************************ 5104 * ixgbe_disable_intr 5105 ************************************************************************/ 5106 static void 5107 ixgbe_disable_intr(struct adapter *adapter) 5108 { 5109 5110 ixgbe_disable_intr_internal(adapter, true); 5111 } /* ixgbe_disable_intr */ 5112 5113 /************************************************************************ 5114 * ixgbe_ensure_disabled_intr 5115 ************************************************************************/ 5116 void 5117 ixgbe_ensure_disabled_intr(struct adapter *adapter) 5118 { 5119 5120 ixgbe_disable_intr_internal(adapter, false); 5121 } /* ixgbe_ensure_disabled_intr */ 5122 5123 /************************************************************************ 5124 * ixgbe_legacy_irq - Legacy Interrupt Service routine 5125 ************************************************************************/ 5126 static int 5127 ixgbe_legacy_irq(void *arg) 5128 { 5129 struct ix_queue *que = arg; 5130 struct adapter *adapter = que->adapter; 5131 struct ixgbe_hw *hw = &adapter->hw; 5132 struct ifnet *ifp = adapter->ifp; 5133 struct tx_ring *txr = adapter->tx_rings; 5134 bool more = false; 5135 bool reenable_intr = true; 5136 u32 eicr, eicr_mask; 5137 u32 task_requests = 0; 5138 5139 /* Silicon errata #26 on 82598 */ 5140 IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_IRQ_CLEAR_MASK); 5141 5142 eicr = IXGBE_READ_REG(hw, IXGBE_EICR); 5143 5144 adapter->stats.pf.legint.ev_count++; 5145 ++que->irqs.ev_count; 5146 if (eicr == 0) { 5147 adapter->stats.pf.intzero.ev_count++; 5148 if ((ifp->if_flags & IFF_UP) != 0) 5149 ixgbe_enable_intr(adapter); 5150 return 0; 5151 } 5152 5153 if ((ifp->if_flags & IFF_RUNNING) != 0) { 5154 /* 5155 * The same as ixgbe_msix_que() about "que->txrx_use_workqueue". 5156 */ 5157 que->txrx_use_workqueue = adapter->txrx_use_workqueue; 5158 5159 #ifdef __NetBSD__ 5160 /* Don't run ixgbe_rxeof in interrupt context */ 5161 more = true; 5162 #else 5163 more = ixgbe_rxeof(que); 5164 #endif 5165 5166 IXGBE_TX_LOCK(txr); 5167 ixgbe_txeof(txr); 5168 #ifdef notyet 5169 if (!ixgbe_ring_empty(ifp, txr->br)) 5170 ixgbe_start_locked(ifp, txr); 5171 #endif 5172 IXGBE_TX_UNLOCK(txr); 5173 } 5174 5175 /* Check for fan failure */ 5176 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) { 5177 ixgbe_check_fan_failure(adapter, eicr, true); 5178 IXGBE_WRITE_REG(hw, IXGBE_EIMS, IXGBE_EICR_GPI_SDP1_BY_MAC(hw)); 5179 } 5180 5181 /* Link status change */ 5182 if (eicr & IXGBE_EICR_LSC) 5183 task_requests |= IXGBE_REQUEST_TASK_LSC; 5184 5185 if (ixgbe_is_sfp(hw)) { 5186 /* Pluggable optics-related interrupt */ 5187 if (hw->mac.type >= ixgbe_mac_X540) 5188 eicr_mask = IXGBE_EICR_GPI_SDP0_X540; 5189 else 5190 eicr_mask = IXGBE_EICR_GPI_SDP2_BY_MAC(hw); 5191 5192 if (eicr & eicr_mask) { 5193 IXGBE_WRITE_REG(hw, IXGBE_EICR, eicr_mask); 5194 task_requests |= IXGBE_REQUEST_TASK_MOD; 5195 } 5196 5197 if ((hw->mac.type == ixgbe_mac_82599EB) && 5198 (eicr & IXGBE_EICR_GPI_SDP1_BY_MAC(hw))) { 5199 IXGBE_WRITE_REG(hw, IXGBE_EICR, 5200 IXGBE_EICR_GPI_SDP1_BY_MAC(hw)); 5201 task_requests |= IXGBE_REQUEST_TASK_MSF; 5202 } 5203 } 5204 5205 /* External PHY interrupt */ 5206 if ((hw->phy.type == ixgbe_phy_x550em_ext_t) && 5207 (eicr & IXGBE_EICR_GPI_SDP0_X540)) 5208 task_requests |= IXGBE_REQUEST_TASK_PHY; 5209 5210 if (more) { 5211 que->req.ev_count++; 5212 ixgbe_sched_handle_que(adapter, que); 5213 reenable_intr = false; 5214 } 5215 if (task_requests != 0) { 5216 /* Re-enabling other interrupts is done in the admin task */ 5217 task_requests |= IXGBE_REQUEST_TASK_NEED_ACKINTR; 5218 atomic_or_32(&adapter->task_requests, task_requests); 5219 ixgbe_schedule_admin_tasklet(adapter); 5220 reenable_intr = false; 5221 } 5222 5223 if (reenable_intr == true) 5224 ixgbe_enable_intr(adapter); 5225 5226 return 1; 5227 } /* ixgbe_legacy_irq */ 5228 5229 /************************************************************************ 5230 * ixgbe_free_pciintr_resources 5231 ************************************************************************/ 5232 static void 5233 ixgbe_free_pciintr_resources(struct adapter *adapter) 5234 { 5235 struct ix_queue *que = adapter->queues; 5236 int rid; 5237 5238 /* 5239 * Release all msix queue resources: 5240 */ 5241 for (int i = 0; i < adapter->num_queues; i++, que++) { 5242 if (que->res != NULL) { 5243 pci_intr_disestablish(adapter->osdep.pc, 5244 adapter->osdep.ihs[i]); 5245 adapter->osdep.ihs[i] = NULL; 5246 } 5247 } 5248 5249 /* Clean the Legacy or Link interrupt last */ 5250 if (adapter->vector) /* we are doing MSIX */ 5251 rid = adapter->vector; 5252 else 5253 rid = 0; 5254 5255 if (adapter->osdep.ihs[rid] != NULL) { 5256 pci_intr_disestablish(adapter->osdep.pc, 5257 adapter->osdep.ihs[rid]); 5258 adapter->osdep.ihs[rid] = NULL; 5259 } 5260 5261 if (adapter->osdep.intrs != NULL) { 5262 pci_intr_release(adapter->osdep.pc, adapter->osdep.intrs, 5263 adapter->osdep.nintrs); 5264 adapter->osdep.intrs = NULL; 5265 } 5266 } /* ixgbe_free_pciintr_resources */ 5267 5268 /************************************************************************ 5269 * ixgbe_free_pci_resources 5270 ************************************************************************/ 5271 static void 5272 ixgbe_free_pci_resources(struct adapter *adapter) 5273 { 5274 5275 ixgbe_free_pciintr_resources(adapter); 5276 5277 if (adapter->osdep.mem_size != 0) { 5278 bus_space_unmap(adapter->osdep.mem_bus_space_tag, 5279 adapter->osdep.mem_bus_space_handle, 5280 adapter->osdep.mem_size); 5281 } 5282 5283 } /* ixgbe_free_pci_resources */ 5284 5285 /************************************************************************ 5286 * ixgbe_set_sysctl_value 5287 ************************************************************************/ 5288 static void 5289 ixgbe_set_sysctl_value(struct adapter *adapter, const char *name, 5290 const char *description, int *limit, int value) 5291 { 5292 device_t dev = adapter->dev; 5293 struct sysctllog **log; 5294 const struct sysctlnode *rnode, *cnode; 5295 5296 /* 5297 * It's not required to check recovery mode because this function never 5298 * touches hardware. 5299 */ 5300 5301 log = &adapter->sysctllog; 5302 if ((rnode = ixgbe_sysctl_instance(adapter)) == NULL) { 5303 aprint_error_dev(dev, "could not create sysctl root\n"); 5304 return; 5305 } 5306 if (sysctl_createv(log, 0, &rnode, &cnode, 5307 CTLFLAG_READWRITE, CTLTYPE_INT, 5308 name, SYSCTL_DESCR(description), 5309 NULL, 0, limit, 0, CTL_CREATE, CTL_EOL) != 0) 5310 aprint_error_dev(dev, "could not create sysctl\n"); 5311 *limit = value; 5312 } /* ixgbe_set_sysctl_value */ 5313 5314 /************************************************************************ 5315 * ixgbe_sysctl_flowcntl 5316 * 5317 * SYSCTL wrapper around setting Flow Control 5318 ************************************************************************/ 5319 static int 5320 ixgbe_sysctl_flowcntl(SYSCTLFN_ARGS) 5321 { 5322 struct sysctlnode node = *rnode; 5323 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5324 int error, fc; 5325 5326 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5327 return (EPERM); 5328 5329 fc = adapter->hw.fc.current_mode; 5330 node.sysctl_data = &fc; 5331 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5332 if (error != 0 || newp == NULL) 5333 return error; 5334 5335 /* Don't bother if it's not changed */ 5336 if (fc == adapter->hw.fc.current_mode) 5337 return (0); 5338 5339 return ixgbe_set_flowcntl(adapter, fc); 5340 } /* ixgbe_sysctl_flowcntl */ 5341 5342 /************************************************************************ 5343 * ixgbe_set_flowcntl - Set flow control 5344 * 5345 * Flow control values: 5346 * 0 - off 5347 * 1 - rx pause 5348 * 2 - tx pause 5349 * 3 - full 5350 ************************************************************************/ 5351 static int 5352 ixgbe_set_flowcntl(struct adapter *adapter, int fc) 5353 { 5354 switch (fc) { 5355 case ixgbe_fc_rx_pause: 5356 case ixgbe_fc_tx_pause: 5357 case ixgbe_fc_full: 5358 adapter->hw.fc.requested_mode = fc; 5359 if (adapter->num_queues > 1) 5360 ixgbe_disable_rx_drop(adapter); 5361 break; 5362 case ixgbe_fc_none: 5363 adapter->hw.fc.requested_mode = ixgbe_fc_none; 5364 if (adapter->num_queues > 1) 5365 ixgbe_enable_rx_drop(adapter); 5366 break; 5367 default: 5368 return (EINVAL); 5369 } 5370 5371 #if 0 /* XXX NetBSD */ 5372 /* Don't autoneg if forcing a value */ 5373 adapter->hw.fc.disable_fc_autoneg = TRUE; 5374 #endif 5375 ixgbe_fc_enable(&adapter->hw); 5376 5377 return (0); 5378 } /* ixgbe_set_flowcntl */ 5379 5380 /************************************************************************ 5381 * ixgbe_enable_rx_drop 5382 * 5383 * Enable the hardware to drop packets when the buffer is 5384 * full. This is useful with multiqueue, so that no single 5385 * queue being full stalls the entire RX engine. We only 5386 * enable this when Multiqueue is enabled AND Flow Control 5387 * is disabled. 5388 ************************************************************************/ 5389 static void 5390 ixgbe_enable_rx_drop(struct adapter *adapter) 5391 { 5392 struct ixgbe_hw *hw = &adapter->hw; 5393 struct rx_ring *rxr; 5394 u32 srrctl; 5395 5396 for (int i = 0; i < adapter->num_queues; i++) { 5397 rxr = &adapter->rx_rings[i]; 5398 srrctl = IXGBE_READ_REG(hw, IXGBE_SRRCTL(rxr->me)); 5399 srrctl |= IXGBE_SRRCTL_DROP_EN; 5400 IXGBE_WRITE_REG(hw, IXGBE_SRRCTL(rxr->me), srrctl); 5401 } 5402 5403 /* enable drop for each vf */ 5404 for (int i = 0; i < adapter->num_vfs; i++) { 5405 IXGBE_WRITE_REG(hw, IXGBE_QDE, 5406 (IXGBE_QDE_WRITE | (i << IXGBE_QDE_IDX_SHIFT) | 5407 IXGBE_QDE_ENABLE)); 5408 } 5409 } /* ixgbe_enable_rx_drop */ 5410 5411 /************************************************************************ 5412 * ixgbe_disable_rx_drop 5413 ************************************************************************/ 5414 static void 5415 ixgbe_disable_rx_drop(struct adapter *adapter) 5416 { 5417 struct ixgbe_hw *hw = &adapter->hw; 5418 struct rx_ring *rxr; 5419 u32 srrctl; 5420 5421 for (int i = 0; i < adapter->num_queues; i++) { 5422 rxr = &adapter->rx_rings[i]; 5423 srrctl = IXGBE_READ_REG(hw, IXGBE_SRRCTL(rxr->me)); 5424 srrctl &= ~IXGBE_SRRCTL_DROP_EN; 5425 IXGBE_WRITE_REG(hw, IXGBE_SRRCTL(rxr->me), srrctl); 5426 } 5427 5428 /* disable drop for each vf */ 5429 for (int i = 0; i < adapter->num_vfs; i++) { 5430 IXGBE_WRITE_REG(hw, IXGBE_QDE, 5431 (IXGBE_QDE_WRITE | (i << IXGBE_QDE_IDX_SHIFT))); 5432 } 5433 } /* ixgbe_disable_rx_drop */ 5434 5435 /************************************************************************ 5436 * ixgbe_sysctl_advertise 5437 * 5438 * SYSCTL wrapper around setting advertised speed 5439 ************************************************************************/ 5440 static int 5441 ixgbe_sysctl_advertise(SYSCTLFN_ARGS) 5442 { 5443 struct sysctlnode node = *rnode; 5444 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5445 int error = 0, advertise; 5446 5447 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5448 return (EPERM); 5449 5450 advertise = adapter->advertise; 5451 node.sysctl_data = &advertise; 5452 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5453 if (error != 0 || newp == NULL) 5454 return error; 5455 5456 return ixgbe_set_advertise(adapter, advertise); 5457 } /* ixgbe_sysctl_advertise */ 5458 5459 /************************************************************************ 5460 * ixgbe_set_advertise - Control advertised link speed 5461 * 5462 * Flags: 5463 * 0x00 - Default (all capable link speed) 5464 * 0x01 - advertise 100 Mb 5465 * 0x02 - advertise 1G 5466 * 0x04 - advertise 10G 5467 * 0x08 - advertise 10 Mb 5468 * 0x10 - advertise 2.5G 5469 * 0x20 - advertise 5G 5470 ************************************************************************/ 5471 static int 5472 ixgbe_set_advertise(struct adapter *adapter, int advertise) 5473 { 5474 device_t dev; 5475 struct ixgbe_hw *hw; 5476 ixgbe_link_speed speed = 0; 5477 ixgbe_link_speed link_caps = 0; 5478 s32 err = IXGBE_NOT_IMPLEMENTED; 5479 bool negotiate = FALSE; 5480 5481 /* Checks to validate new value */ 5482 if (adapter->advertise == advertise) /* no change */ 5483 return (0); 5484 5485 dev = adapter->dev; 5486 hw = &adapter->hw; 5487 5488 /* No speed changes for backplane media */ 5489 if (hw->phy.media_type == ixgbe_media_type_backplane) 5490 return (ENODEV); 5491 5492 if (!((hw->phy.media_type == ixgbe_media_type_copper) || 5493 (hw->phy.multispeed_fiber))) { 5494 device_printf(dev, 5495 "Advertised speed can only be set on copper or " 5496 "multispeed fiber media types.\n"); 5497 return (EINVAL); 5498 } 5499 5500 if (advertise < 0x0 || advertise > 0x2f) { 5501 device_printf(dev, 5502 "Invalid advertised speed; valid modes are 0x0 through 0x7\n"); 5503 return (EINVAL); 5504 } 5505 5506 if (hw->mac.ops.get_link_capabilities) { 5507 err = hw->mac.ops.get_link_capabilities(hw, &link_caps, 5508 &negotiate); 5509 if (err != IXGBE_SUCCESS) { 5510 device_printf(dev, "Unable to determine supported advertise speeds\n"); 5511 return (ENODEV); 5512 } 5513 } 5514 5515 /* Set new value and report new advertised mode */ 5516 if (advertise & 0x1) { 5517 if (!(link_caps & IXGBE_LINK_SPEED_100_FULL)) { 5518 device_printf(dev, "Interface does not support 100Mb advertised speed\n"); 5519 return (EINVAL); 5520 } 5521 speed |= IXGBE_LINK_SPEED_100_FULL; 5522 } 5523 if (advertise & 0x2) { 5524 if (!(link_caps & IXGBE_LINK_SPEED_1GB_FULL)) { 5525 device_printf(dev, "Interface does not support 1Gb advertised speed\n"); 5526 return (EINVAL); 5527 } 5528 speed |= IXGBE_LINK_SPEED_1GB_FULL; 5529 } 5530 if (advertise & 0x4) { 5531 if (!(link_caps & IXGBE_LINK_SPEED_10GB_FULL)) { 5532 device_printf(dev, "Interface does not support 10Gb advertised speed\n"); 5533 return (EINVAL); 5534 } 5535 speed |= IXGBE_LINK_SPEED_10GB_FULL; 5536 } 5537 if (advertise & 0x8) { 5538 if (!(link_caps & IXGBE_LINK_SPEED_10_FULL)) { 5539 device_printf(dev, "Interface does not support 10Mb advertised speed\n"); 5540 return (EINVAL); 5541 } 5542 speed |= IXGBE_LINK_SPEED_10_FULL; 5543 } 5544 if (advertise & 0x10) { 5545 if (!(link_caps & IXGBE_LINK_SPEED_2_5GB_FULL)) { 5546 device_printf(dev, "Interface does not support 2.5Gb advertised speed\n"); 5547 return (EINVAL); 5548 } 5549 speed |= IXGBE_LINK_SPEED_2_5GB_FULL; 5550 } 5551 if (advertise & 0x20) { 5552 if (!(link_caps & IXGBE_LINK_SPEED_5GB_FULL)) { 5553 device_printf(dev, "Interface does not support 5Gb advertised speed\n"); 5554 return (EINVAL); 5555 } 5556 speed |= IXGBE_LINK_SPEED_5GB_FULL; 5557 } 5558 if (advertise == 0) 5559 speed = link_caps; /* All capable link speed */ 5560 5561 hw->mac.autotry_restart = TRUE; 5562 hw->mac.ops.setup_link(hw, speed, TRUE); 5563 adapter->advertise = advertise; 5564 5565 return (0); 5566 } /* ixgbe_set_advertise */ 5567 5568 /************************************************************************ 5569 * ixgbe_get_advertise - Get current advertised speed settings 5570 * 5571 * Formatted for sysctl usage. 5572 * Flags: 5573 * 0x01 - advertise 100 Mb 5574 * 0x02 - advertise 1G 5575 * 0x04 - advertise 10G 5576 * 0x08 - advertise 10 Mb (yes, Mb) 5577 * 0x10 - advertise 2.5G 5578 * 0x20 - advertise 5G 5579 ************************************************************************/ 5580 static int 5581 ixgbe_get_advertise(struct adapter *adapter) 5582 { 5583 struct ixgbe_hw *hw = &adapter->hw; 5584 int speed; 5585 ixgbe_link_speed link_caps = 0; 5586 s32 err; 5587 bool negotiate = FALSE; 5588 5589 /* 5590 * Advertised speed means nothing unless it's copper or 5591 * multi-speed fiber 5592 */ 5593 if (!(hw->phy.media_type == ixgbe_media_type_copper) && 5594 !(hw->phy.multispeed_fiber)) 5595 return (0); 5596 5597 err = hw->mac.ops.get_link_capabilities(hw, &link_caps, &negotiate); 5598 if (err != IXGBE_SUCCESS) 5599 return (0); 5600 5601 speed = 5602 ((link_caps & IXGBE_LINK_SPEED_10GB_FULL) ? 0x04 : 0) | 5603 ((link_caps & IXGBE_LINK_SPEED_1GB_FULL) ? 0x02 : 0) | 5604 ((link_caps & IXGBE_LINK_SPEED_100_FULL) ? 0x01 : 0) | 5605 ((link_caps & IXGBE_LINK_SPEED_10_FULL) ? 0x08 : 0) | 5606 ((link_caps & IXGBE_LINK_SPEED_2_5GB_FULL) ? 0x10 : 0) | 5607 ((link_caps & IXGBE_LINK_SPEED_5GB_FULL) ? 0x20 : 0); 5608 5609 return speed; 5610 } /* ixgbe_get_advertise */ 5611 5612 /************************************************************************ 5613 * ixgbe_sysctl_dmac - Manage DMA Coalescing 5614 * 5615 * Control values: 5616 * 0/1 - off / on (use default value of 1000) 5617 * 5618 * Legal timer values are: 5619 * 50,100,250,500,1000,2000,5000,10000 5620 * 5621 * Turning off interrupt moderation will also turn this off. 5622 ************************************************************************/ 5623 static int 5624 ixgbe_sysctl_dmac(SYSCTLFN_ARGS) 5625 { 5626 struct sysctlnode node = *rnode; 5627 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5628 struct ifnet *ifp = adapter->ifp; 5629 int error; 5630 int newval; 5631 5632 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5633 return (EPERM); 5634 5635 newval = adapter->dmac; 5636 node.sysctl_data = &newval; 5637 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5638 if ((error) || (newp == NULL)) 5639 return (error); 5640 5641 switch (newval) { 5642 case 0: 5643 /* Disabled */ 5644 adapter->dmac = 0; 5645 break; 5646 case 1: 5647 /* Enable and use default */ 5648 adapter->dmac = 1000; 5649 break; 5650 case 50: 5651 case 100: 5652 case 250: 5653 case 500: 5654 case 1000: 5655 case 2000: 5656 case 5000: 5657 case 10000: 5658 /* Legal values - allow */ 5659 adapter->dmac = newval; 5660 break; 5661 default: 5662 /* Do nothing, illegal value */ 5663 return (EINVAL); 5664 } 5665 5666 /* Re-initialize hardware if it's already running */ 5667 if (ifp->if_flags & IFF_RUNNING) 5668 ifp->if_init(ifp); 5669 5670 return (0); 5671 } 5672 5673 #ifdef IXGBE_DEBUG 5674 /************************************************************************ 5675 * ixgbe_sysctl_power_state 5676 * 5677 * Sysctl to test power states 5678 * Values: 5679 * 0 - set device to D0 5680 * 3 - set device to D3 5681 * (none) - get current device power state 5682 ************************************************************************/ 5683 static int 5684 ixgbe_sysctl_power_state(SYSCTLFN_ARGS) 5685 { 5686 #ifdef notyet 5687 struct sysctlnode node = *rnode; 5688 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5689 device_t dev = adapter->dev; 5690 int curr_ps, new_ps, error = 0; 5691 5692 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5693 return (EPERM); 5694 5695 curr_ps = new_ps = pci_get_powerstate(dev); 5696 5697 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5698 if ((error) || (req->newp == NULL)) 5699 return (error); 5700 5701 if (new_ps == curr_ps) 5702 return (0); 5703 5704 if (new_ps == 3 && curr_ps == 0) 5705 error = DEVICE_SUSPEND(dev); 5706 else if (new_ps == 0 && curr_ps == 3) 5707 error = DEVICE_RESUME(dev); 5708 else 5709 return (EINVAL); 5710 5711 device_printf(dev, "New state: %d\n", pci_get_powerstate(dev)); 5712 5713 return (error); 5714 #else 5715 return 0; 5716 #endif 5717 } /* ixgbe_sysctl_power_state */ 5718 #endif 5719 5720 /************************************************************************ 5721 * ixgbe_sysctl_wol_enable 5722 * 5723 * Sysctl to enable/disable the WoL capability, 5724 * if supported by the adapter. 5725 * 5726 * Values: 5727 * 0 - disabled 5728 * 1 - enabled 5729 ************************************************************************/ 5730 static int 5731 ixgbe_sysctl_wol_enable(SYSCTLFN_ARGS) 5732 { 5733 struct sysctlnode node = *rnode; 5734 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5735 struct ixgbe_hw *hw = &adapter->hw; 5736 bool new_wol_enabled; 5737 int error = 0; 5738 5739 /* 5740 * It's not required to check recovery mode because this function never 5741 * touches hardware. 5742 */ 5743 new_wol_enabled = hw->wol_enabled; 5744 node.sysctl_data = &new_wol_enabled; 5745 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5746 if ((error) || (newp == NULL)) 5747 return (error); 5748 if (new_wol_enabled == hw->wol_enabled) 5749 return (0); 5750 5751 if (new_wol_enabled && !adapter->wol_support) 5752 return (ENODEV); 5753 else 5754 hw->wol_enabled = new_wol_enabled; 5755 5756 return (0); 5757 } /* ixgbe_sysctl_wol_enable */ 5758 5759 /************************************************************************ 5760 * ixgbe_sysctl_wufc - Wake Up Filter Control 5761 * 5762 * Sysctl to enable/disable the types of packets that the 5763 * adapter will wake up on upon receipt. 5764 * Flags: 5765 * 0x1 - Link Status Change 5766 * 0x2 - Magic Packet 5767 * 0x4 - Direct Exact 5768 * 0x8 - Directed Multicast 5769 * 0x10 - Broadcast 5770 * 0x20 - ARP/IPv4 Request Packet 5771 * 0x40 - Direct IPv4 Packet 5772 * 0x80 - Direct IPv6 Packet 5773 * 5774 * Settings not listed above will cause the sysctl to return an error. 5775 ************************************************************************/ 5776 static int 5777 ixgbe_sysctl_wufc(SYSCTLFN_ARGS) 5778 { 5779 struct sysctlnode node = *rnode; 5780 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5781 int error = 0; 5782 u32 new_wufc; 5783 5784 /* 5785 * It's not required to check recovery mode because this function never 5786 * touches hardware. 5787 */ 5788 new_wufc = adapter->wufc; 5789 node.sysctl_data = &new_wufc; 5790 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5791 if ((error) || (newp == NULL)) 5792 return (error); 5793 if (new_wufc == adapter->wufc) 5794 return (0); 5795 5796 if (new_wufc & 0xffffff00) 5797 return (EINVAL); 5798 5799 new_wufc &= 0xff; 5800 new_wufc |= (0xffffff & adapter->wufc); 5801 adapter->wufc = new_wufc; 5802 5803 return (0); 5804 } /* ixgbe_sysctl_wufc */ 5805 5806 #ifdef IXGBE_DEBUG 5807 /************************************************************************ 5808 * ixgbe_sysctl_print_rss_config 5809 ************************************************************************/ 5810 static int 5811 ixgbe_sysctl_print_rss_config(SYSCTLFN_ARGS) 5812 { 5813 #ifdef notyet 5814 struct sysctlnode node = *rnode; 5815 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5816 struct ixgbe_hw *hw = &adapter->hw; 5817 device_t dev = adapter->dev; 5818 struct sbuf *buf; 5819 int error = 0, reta_size; 5820 u32 reg; 5821 5822 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5823 return (EPERM); 5824 5825 buf = sbuf_new_for_sysctl(NULL, NULL, 128, req); 5826 if (!buf) { 5827 device_printf(dev, "Could not allocate sbuf for output.\n"); 5828 return (ENOMEM); 5829 } 5830 5831 // TODO: use sbufs to make a string to print out 5832 /* Set multiplier for RETA setup and table size based on MAC */ 5833 switch (adapter->hw.mac.type) { 5834 case ixgbe_mac_X550: 5835 case ixgbe_mac_X550EM_x: 5836 case ixgbe_mac_X550EM_a: 5837 reta_size = 128; 5838 break; 5839 default: 5840 reta_size = 32; 5841 break; 5842 } 5843 5844 /* Print out the redirection table */ 5845 sbuf_cat(buf, "\n"); 5846 for (int i = 0; i < reta_size; i++) { 5847 if (i < 32) { 5848 reg = IXGBE_READ_REG(hw, IXGBE_RETA(i)); 5849 sbuf_printf(buf, "RETA(%2d): 0x%08x\n", i, reg); 5850 } else { 5851 reg = IXGBE_READ_REG(hw, IXGBE_ERETA(i - 32)); 5852 sbuf_printf(buf, "ERETA(%2d): 0x%08x\n", i - 32, reg); 5853 } 5854 } 5855 5856 // TODO: print more config 5857 5858 error = sbuf_finish(buf); 5859 if (error) 5860 device_printf(dev, "Error finishing sbuf: %d\n", error); 5861 5862 sbuf_delete(buf); 5863 #endif 5864 return (0); 5865 } /* ixgbe_sysctl_print_rss_config */ 5866 #endif /* IXGBE_DEBUG */ 5867 5868 /************************************************************************ 5869 * ixgbe_sysctl_phy_temp - Retrieve temperature of PHY 5870 * 5871 * For X552/X557-AT devices using an external PHY 5872 ************************************************************************/ 5873 static int 5874 ixgbe_sysctl_phy_temp(SYSCTLFN_ARGS) 5875 { 5876 struct sysctlnode node = *rnode; 5877 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5878 struct ixgbe_hw *hw = &adapter->hw; 5879 int val; 5880 u16 reg; 5881 int error; 5882 5883 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5884 return (EPERM); 5885 5886 if (hw->device_id != IXGBE_DEV_ID_X550EM_X_10G_T) { 5887 device_printf(adapter->dev, 5888 "Device has no supported external thermal sensor.\n"); 5889 return (ENODEV); 5890 } 5891 5892 if (hw->phy.ops.read_reg(hw, IXGBE_PHY_CURRENT_TEMP, 5893 IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, ®)) { 5894 device_printf(adapter->dev, 5895 "Error reading from PHY's current temperature register\n"); 5896 return (EAGAIN); 5897 } 5898 5899 node.sysctl_data = &val; 5900 5901 /* Shift temp for output */ 5902 val = reg >> 8; 5903 5904 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5905 if ((error) || (newp == NULL)) 5906 return (error); 5907 5908 return (0); 5909 } /* ixgbe_sysctl_phy_temp */ 5910 5911 /************************************************************************ 5912 * ixgbe_sysctl_phy_overtemp_occurred 5913 * 5914 * Reports (directly from the PHY) whether the current PHY 5915 * temperature is over the overtemp threshold. 5916 ************************************************************************/ 5917 static int 5918 ixgbe_sysctl_phy_overtemp_occurred(SYSCTLFN_ARGS) 5919 { 5920 struct sysctlnode node = *rnode; 5921 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5922 struct ixgbe_hw *hw = &adapter->hw; 5923 int val, error; 5924 u16 reg; 5925 5926 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5927 return (EPERM); 5928 5929 if (hw->device_id != IXGBE_DEV_ID_X550EM_X_10G_T) { 5930 device_printf(adapter->dev, 5931 "Device has no supported external thermal sensor.\n"); 5932 return (ENODEV); 5933 } 5934 5935 if (hw->phy.ops.read_reg(hw, IXGBE_PHY_OVERTEMP_STATUS, 5936 IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, ®)) { 5937 device_printf(adapter->dev, 5938 "Error reading from PHY's temperature status register\n"); 5939 return (EAGAIN); 5940 } 5941 5942 node.sysctl_data = &val; 5943 5944 /* Get occurrence bit */ 5945 val = !!(reg & 0x4000); 5946 5947 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5948 if ((error) || (newp == NULL)) 5949 return (error); 5950 5951 return (0); 5952 } /* ixgbe_sysctl_phy_overtemp_occurred */ 5953 5954 /************************************************************************ 5955 * ixgbe_sysctl_eee_state 5956 * 5957 * Sysctl to set EEE power saving feature 5958 * Values: 5959 * 0 - disable EEE 5960 * 1 - enable EEE 5961 * (none) - get current device EEE state 5962 ************************************************************************/ 5963 static int 5964 ixgbe_sysctl_eee_state(SYSCTLFN_ARGS) 5965 { 5966 struct sysctlnode node = *rnode; 5967 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5968 struct ifnet *ifp = adapter->ifp; 5969 device_t dev = adapter->dev; 5970 int curr_eee, new_eee, error = 0; 5971 s32 retval; 5972 5973 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5974 return (EPERM); 5975 5976 curr_eee = new_eee = !!(adapter->feat_en & IXGBE_FEATURE_EEE); 5977 node.sysctl_data = &new_eee; 5978 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5979 if ((error) || (newp == NULL)) 5980 return (error); 5981 5982 /* Nothing to do */ 5983 if (new_eee == curr_eee) 5984 return (0); 5985 5986 /* Not supported */ 5987 if (!(adapter->feat_cap & IXGBE_FEATURE_EEE)) 5988 return (EINVAL); 5989 5990 /* Bounds checking */ 5991 if ((new_eee < 0) || (new_eee > 1)) 5992 return (EINVAL); 5993 5994 retval = ixgbe_setup_eee(&adapter->hw, new_eee); 5995 if (retval) { 5996 device_printf(dev, "Error in EEE setup: 0x%08X\n", retval); 5997 return (EINVAL); 5998 } 5999 6000 /* Restart auto-neg */ 6001 ifp->if_init(ifp); 6002 6003 device_printf(dev, "New EEE state: %d\n", new_eee); 6004 6005 /* Cache new value */ 6006 if (new_eee) 6007 adapter->feat_en |= IXGBE_FEATURE_EEE; 6008 else 6009 adapter->feat_en &= ~IXGBE_FEATURE_EEE; 6010 6011 return (error); 6012 } /* ixgbe_sysctl_eee_state */ 6013 6014 #define PRINTQS(adapter, regname) \ 6015 do { \ 6016 struct ixgbe_hw *_hw = &(adapter)->hw; \ 6017 int _i; \ 6018 \ 6019 printf("%s: %s", device_xname((adapter)->dev), #regname); \ 6020 for (_i = 0; _i < (adapter)->num_queues; _i++) { \ 6021 printf((_i == 0) ? "\t" : " "); \ 6022 printf("%08x", IXGBE_READ_REG(_hw, \ 6023 IXGBE_##regname(_i))); \ 6024 } \ 6025 printf("\n"); \ 6026 } while (0) 6027 6028 /************************************************************************ 6029 * ixgbe_print_debug_info 6030 * 6031 * Called only when em_display_debug_stats is enabled. 6032 * Provides a way to take a look at important statistics 6033 * maintained by the driver and hardware. 6034 ************************************************************************/ 6035 static void 6036 ixgbe_print_debug_info(struct adapter *adapter) 6037 { 6038 device_t dev = adapter->dev; 6039 struct ixgbe_hw *hw = &adapter->hw; 6040 int table_size; 6041 int i; 6042 6043 switch (adapter->hw.mac.type) { 6044 case ixgbe_mac_X550: 6045 case ixgbe_mac_X550EM_x: 6046 case ixgbe_mac_X550EM_a: 6047 table_size = 128; 6048 break; 6049 default: 6050 table_size = 32; 6051 break; 6052 } 6053 6054 device_printf(dev, "[E]RETA:\n"); 6055 for (i = 0; i < table_size; i++) { 6056 if (i < 32) 6057 printf("%02x: %08x\n", i, IXGBE_READ_REG(hw, 6058 IXGBE_RETA(i))); 6059 else 6060 printf("%02x: %08x\n", i, IXGBE_READ_REG(hw, 6061 IXGBE_ERETA(i - 32))); 6062 } 6063 6064 device_printf(dev, "queue:"); 6065 for (i = 0; i < adapter->num_queues; i++) { 6066 printf((i == 0) ? "\t" : " "); 6067 printf("%8d", i); 6068 } 6069 printf("\n"); 6070 PRINTQS(adapter, RDBAL); 6071 PRINTQS(adapter, RDBAH); 6072 PRINTQS(adapter, RDLEN); 6073 PRINTQS(adapter, SRRCTL); 6074 PRINTQS(adapter, RDH); 6075 PRINTQS(adapter, RDT); 6076 PRINTQS(adapter, RXDCTL); 6077 6078 device_printf(dev, "RQSMR:"); 6079 for (i = 0; i < adapter->num_queues / 4; i++) { 6080 printf((i == 0) ? "\t" : " "); 6081 printf("%08x", IXGBE_READ_REG(hw, IXGBE_RQSMR(i))); 6082 } 6083 printf("\n"); 6084 6085 device_printf(dev, "disabled_count:"); 6086 for (i = 0; i < adapter->num_queues; i++) { 6087 printf((i == 0) ? "\t" : " "); 6088 printf("%8d", adapter->queues[i].disabled_count); 6089 } 6090 printf("\n"); 6091 6092 device_printf(dev, "EIMS:\t%08x\n", IXGBE_READ_REG(hw, IXGBE_EIMS)); 6093 if (hw->mac.type != ixgbe_mac_82598EB) { 6094 device_printf(dev, "EIMS_EX(0):\t%08x\n", 6095 IXGBE_READ_REG(hw, IXGBE_EIMS_EX(0))); 6096 device_printf(dev, "EIMS_EX(1):\t%08x\n", 6097 IXGBE_READ_REG(hw, IXGBE_EIMS_EX(1))); 6098 } 6099 } /* ixgbe_print_debug_info */ 6100 6101 /************************************************************************ 6102 * ixgbe_sysctl_debug 6103 ************************************************************************/ 6104 static int 6105 ixgbe_sysctl_debug(SYSCTLFN_ARGS) 6106 { 6107 struct sysctlnode node = *rnode; 6108 struct adapter *adapter = (struct adapter *)node.sysctl_data; 6109 int error, result = 0; 6110 6111 if (ixgbe_fw_recovery_mode_swflag(adapter)) 6112 return (EPERM); 6113 6114 node.sysctl_data = &result; 6115 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 6116 6117 if (error || newp == NULL) 6118 return error; 6119 6120 if (result == 1) 6121 ixgbe_print_debug_info(adapter); 6122 6123 return 0; 6124 } /* ixgbe_sysctl_debug */ 6125 6126 /************************************************************************ 6127 * ixgbe_init_device_features 6128 ************************************************************************/ 6129 static void 6130 ixgbe_init_device_features(struct adapter *adapter) 6131 { 6132 adapter->feat_cap = IXGBE_FEATURE_NETMAP 6133 | IXGBE_FEATURE_RSS 6134 | IXGBE_FEATURE_MSI 6135 | IXGBE_FEATURE_MSIX 6136 | IXGBE_FEATURE_LEGACY_IRQ 6137 | IXGBE_FEATURE_LEGACY_TX; 6138 6139 /* Set capabilities first... */ 6140 switch (adapter->hw.mac.type) { 6141 case ixgbe_mac_82598EB: 6142 if (adapter->hw.device_id == IXGBE_DEV_ID_82598AT) 6143 adapter->feat_cap |= IXGBE_FEATURE_FAN_FAIL; 6144 break; 6145 case ixgbe_mac_X540: 6146 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 6147 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 6148 if ((adapter->hw.device_id == IXGBE_DEV_ID_X540_BYPASS) && 6149 (adapter->hw.bus.func == 0)) 6150 adapter->feat_cap |= IXGBE_FEATURE_BYPASS; 6151 break; 6152 case ixgbe_mac_X550: 6153 /* 6154 * IXGBE_FEATURE_RECOVERY_MODE will be set after reading 6155 * NVM Image version. 6156 */ 6157 adapter->feat_cap |= IXGBE_FEATURE_TEMP_SENSOR; 6158 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 6159 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 6160 break; 6161 case ixgbe_mac_X550EM_x: 6162 /* 6163 * IXGBE_FEATURE_RECOVERY_MODE will be set after reading 6164 * NVM Image version. 6165 */ 6166 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 6167 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 6168 break; 6169 case ixgbe_mac_X550EM_a: 6170 /* 6171 * IXGBE_FEATURE_RECOVERY_MODE will be set after reading 6172 * NVM Image version. 6173 */ 6174 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 6175 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 6176 adapter->feat_cap &= ~IXGBE_FEATURE_LEGACY_IRQ; 6177 if ((adapter->hw.device_id == IXGBE_DEV_ID_X550EM_A_1G_T) || 6178 (adapter->hw.device_id == IXGBE_DEV_ID_X550EM_A_1G_T_L)) { 6179 adapter->feat_cap |= IXGBE_FEATURE_TEMP_SENSOR; 6180 adapter->feat_cap |= IXGBE_FEATURE_EEE; 6181 } 6182 break; 6183 case ixgbe_mac_82599EB: 6184 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 6185 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 6186 if ((adapter->hw.device_id == IXGBE_DEV_ID_82599_BYPASS) && 6187 (adapter->hw.bus.func == 0)) 6188 adapter->feat_cap |= IXGBE_FEATURE_BYPASS; 6189 if (adapter->hw.device_id == IXGBE_DEV_ID_82599_QSFP_SF_QP) 6190 adapter->feat_cap &= ~IXGBE_FEATURE_LEGACY_IRQ; 6191 break; 6192 default: 6193 break; 6194 } 6195 6196 /* Enabled by default... */ 6197 /* Fan failure detection */ 6198 if (adapter->feat_cap & IXGBE_FEATURE_FAN_FAIL) 6199 adapter->feat_en |= IXGBE_FEATURE_FAN_FAIL; 6200 /* Netmap */ 6201 if (adapter->feat_cap & IXGBE_FEATURE_NETMAP) 6202 adapter->feat_en |= IXGBE_FEATURE_NETMAP; 6203 /* EEE */ 6204 if (adapter->feat_cap & IXGBE_FEATURE_EEE) 6205 adapter->feat_en |= IXGBE_FEATURE_EEE; 6206 /* Thermal Sensor */ 6207 if (adapter->feat_cap & IXGBE_FEATURE_TEMP_SENSOR) 6208 adapter->feat_en |= IXGBE_FEATURE_TEMP_SENSOR; 6209 /* 6210 * Recovery mode: 6211 * NetBSD: IXGBE_FEATURE_RECOVERY_MODE will be controlled after reading 6212 * NVM Image version. 6213 */ 6214 6215 /* Enabled via global sysctl... */ 6216 /* Flow Director */ 6217 if (ixgbe_enable_fdir) { 6218 if (adapter->feat_cap & IXGBE_FEATURE_FDIR) 6219 adapter->feat_en |= IXGBE_FEATURE_FDIR; 6220 else 6221 device_printf(adapter->dev, "Device does not support Flow Director. Leaving disabled."); 6222 } 6223 /* Legacy (single queue) transmit */ 6224 if ((adapter->feat_cap & IXGBE_FEATURE_LEGACY_TX) && 6225 ixgbe_enable_legacy_tx) 6226 adapter->feat_en |= IXGBE_FEATURE_LEGACY_TX; 6227 /* 6228 * Message Signal Interrupts - Extended (MSI-X) 6229 * Normal MSI is only enabled if MSI-X calls fail. 6230 */ 6231 if (!ixgbe_enable_msix) 6232 adapter->feat_cap &= ~IXGBE_FEATURE_MSIX; 6233 /* Receive-Side Scaling (RSS) */ 6234 if ((adapter->feat_cap & IXGBE_FEATURE_RSS) && ixgbe_enable_rss) 6235 adapter->feat_en |= IXGBE_FEATURE_RSS; 6236 6237 /* Disable features with unmet dependencies... */ 6238 /* No MSI-X */ 6239 if (!(adapter->feat_cap & IXGBE_FEATURE_MSIX)) { 6240 adapter->feat_cap &= ~IXGBE_FEATURE_RSS; 6241 adapter->feat_cap &= ~IXGBE_FEATURE_SRIOV; 6242 adapter->feat_en &= ~IXGBE_FEATURE_RSS; 6243 adapter->feat_en &= ~IXGBE_FEATURE_SRIOV; 6244 } 6245 } /* ixgbe_init_device_features */ 6246 6247 /************************************************************************ 6248 * ixgbe_probe - Device identification routine 6249 * 6250 * Determines if the driver should be loaded on 6251 * adapter based on its PCI vendor/device ID. 6252 * 6253 * return BUS_PROBE_DEFAULT on success, positive on failure 6254 ************************************************************************/ 6255 static int 6256 ixgbe_probe(device_t dev, cfdata_t cf, void *aux) 6257 { 6258 const struct pci_attach_args *pa = aux; 6259 6260 return (ixgbe_lookup(pa) != NULL) ? 1 : 0; 6261 } 6262 6263 static const ixgbe_vendor_info_t * 6264 ixgbe_lookup(const struct pci_attach_args *pa) 6265 { 6266 const ixgbe_vendor_info_t *ent; 6267 pcireg_t subid; 6268 6269 INIT_DEBUGOUT("ixgbe_lookup: begin"); 6270 6271 if (PCI_VENDOR(pa->pa_id) != IXGBE_INTEL_VENDOR_ID) 6272 return NULL; 6273 6274 subid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG); 6275 6276 for (ent = ixgbe_vendor_info_array; ent->vendor_id != 0; ent++) { 6277 if ((PCI_VENDOR(pa->pa_id) == ent->vendor_id) && 6278 (PCI_PRODUCT(pa->pa_id) == ent->device_id) && 6279 ((PCI_SUBSYS_VENDOR(subid) == ent->subvendor_id) || 6280 (ent->subvendor_id == 0)) && 6281 ((PCI_SUBSYS_ID(subid) == ent->subdevice_id) || 6282 (ent->subdevice_id == 0))) { 6283 return ent; 6284 } 6285 } 6286 return NULL; 6287 } 6288 6289 static int 6290 ixgbe_ifflags_cb(struct ethercom *ec) 6291 { 6292 struct ifnet *ifp = &ec->ec_if; 6293 struct adapter *adapter = ifp->if_softc; 6294 u_short change; 6295 int rv = 0; 6296 6297 IXGBE_CORE_LOCK(adapter); 6298 6299 change = ifp->if_flags ^ adapter->if_flags; 6300 if (change != 0) 6301 adapter->if_flags = ifp->if_flags; 6302 6303 if ((change & ~(IFF_CANTCHANGE | IFF_DEBUG)) != 0) { 6304 rv = ENETRESET; 6305 goto out; 6306 } else if ((change & IFF_PROMISC) != 0) 6307 ixgbe_set_rxfilter(adapter); 6308 6309 /* Check for ec_capenable. */ 6310 change = ec->ec_capenable ^ adapter->ec_capenable; 6311 adapter->ec_capenable = ec->ec_capenable; 6312 if ((change & ~(ETHERCAP_VLAN_MTU | ETHERCAP_VLAN_HWTAGGING 6313 | ETHERCAP_VLAN_HWFILTER)) != 0) { 6314 rv = ENETRESET; 6315 goto out; 6316 } 6317 6318 /* 6319 * Special handling is not required for ETHERCAP_VLAN_MTU. 6320 * MAXFRS(MHADD) does not include the 4bytes of the VLAN header. 6321 */ 6322 6323 /* Set up VLAN support and filter */ 6324 if ((change & (ETHERCAP_VLAN_HWTAGGING | ETHERCAP_VLAN_HWFILTER)) != 0) 6325 ixgbe_setup_vlan_hw_support(adapter); 6326 6327 out: 6328 IXGBE_CORE_UNLOCK(adapter); 6329 6330 return rv; 6331 } 6332 6333 /************************************************************************ 6334 * ixgbe_ioctl - Ioctl entry point 6335 * 6336 * Called when the user wants to configure the interface. 6337 * 6338 * return 0 on success, positive on failure 6339 ************************************************************************/ 6340 static int 6341 ixgbe_ioctl(struct ifnet *ifp, u_long command, void *data) 6342 { 6343 struct adapter *adapter = ifp->if_softc; 6344 struct ixgbe_hw *hw = &adapter->hw; 6345 struct ifcapreq *ifcr = data; 6346 struct ifreq *ifr = data; 6347 int error = 0; 6348 int l4csum_en; 6349 const int l4csum = IFCAP_CSUM_TCPv4_Rx | IFCAP_CSUM_UDPv4_Rx | 6350 IFCAP_CSUM_TCPv6_Rx | IFCAP_CSUM_UDPv6_Rx; 6351 6352 if (ixgbe_fw_recovery_mode_swflag(adapter)) 6353 return (EPERM); 6354 6355 switch (command) { 6356 case SIOCSIFFLAGS: 6357 IOCTL_DEBUGOUT("ioctl: SIOCSIFFLAGS (Set Interface Flags)"); 6358 break; 6359 case SIOCADDMULTI: 6360 case SIOCDELMULTI: 6361 IOCTL_DEBUGOUT("ioctl: SIOC(ADD|DEL)MULTI"); 6362 break; 6363 case SIOCSIFMEDIA: 6364 case SIOCGIFMEDIA: 6365 IOCTL_DEBUGOUT("ioctl: SIOCxIFMEDIA (Get/Set Interface Media)"); 6366 break; 6367 case SIOCSIFCAP: 6368 IOCTL_DEBUGOUT("ioctl: SIOCSIFCAP (Set Capabilities)"); 6369 break; 6370 case SIOCSIFMTU: 6371 IOCTL_DEBUGOUT("ioctl: SIOCSIFMTU (Set Interface MTU)"); 6372 break; 6373 #ifdef __NetBSD__ 6374 case SIOCINITIFADDR: 6375 IOCTL_DEBUGOUT("ioctl: SIOCINITIFADDR"); 6376 break; 6377 case SIOCGIFFLAGS: 6378 IOCTL_DEBUGOUT("ioctl: SIOCGIFFLAGS"); 6379 break; 6380 case SIOCGIFAFLAG_IN: 6381 IOCTL_DEBUGOUT("ioctl: SIOCGIFAFLAG_IN"); 6382 break; 6383 case SIOCGIFADDR: 6384 IOCTL_DEBUGOUT("ioctl: SIOCGIFADDR"); 6385 break; 6386 case SIOCGIFMTU: 6387 IOCTL_DEBUGOUT("ioctl: SIOCGIFMTU (Get Interface MTU)"); 6388 break; 6389 case SIOCGIFCAP: 6390 IOCTL_DEBUGOUT("ioctl: SIOCGIFCAP (Get IF cap)"); 6391 break; 6392 case SIOCGETHERCAP: 6393 IOCTL_DEBUGOUT("ioctl: SIOCGETHERCAP (Get ethercap)"); 6394 break; 6395 case SIOCGLIFADDR: 6396 IOCTL_DEBUGOUT("ioctl: SIOCGLIFADDR (Get Interface addr)"); 6397 break; 6398 case SIOCZIFDATA: 6399 IOCTL_DEBUGOUT("ioctl: SIOCZIFDATA (Zero counter)"); 6400 hw->mac.ops.clear_hw_cntrs(hw); 6401 ixgbe_clear_evcnt(adapter); 6402 break; 6403 case SIOCAIFADDR: 6404 IOCTL_DEBUGOUT("ioctl: SIOCAIFADDR (add/chg IF alias)"); 6405 break; 6406 #endif 6407 default: 6408 IOCTL_DEBUGOUT1("ioctl: UNKNOWN (0x%X)", (int)command); 6409 break; 6410 } 6411 6412 switch (command) { 6413 case SIOCGI2C: 6414 { 6415 struct ixgbe_i2c_req i2c; 6416 6417 IOCTL_DEBUGOUT("ioctl: SIOCGI2C (Get I2C Data)"); 6418 error = copyin(ifr->ifr_data, &i2c, sizeof(i2c)); 6419 if (error != 0) 6420 break; 6421 if (i2c.dev_addr != 0xA0 && i2c.dev_addr != 0xA2) { 6422 error = EINVAL; 6423 break; 6424 } 6425 if (i2c.len > sizeof(i2c.data)) { 6426 error = EINVAL; 6427 break; 6428 } 6429 6430 hw->phy.ops.read_i2c_byte(hw, i2c.offset, 6431 i2c.dev_addr, i2c.data); 6432 error = copyout(&i2c, ifr->ifr_data, sizeof(i2c)); 6433 break; 6434 } 6435 case SIOCSIFCAP: 6436 /* Layer-4 Rx checksum offload has to be turned on and 6437 * off as a unit. 6438 */ 6439 l4csum_en = ifcr->ifcr_capenable & l4csum; 6440 if (l4csum_en != l4csum && l4csum_en != 0) 6441 return EINVAL; 6442 /*FALLTHROUGH*/ 6443 case SIOCADDMULTI: 6444 case SIOCDELMULTI: 6445 case SIOCSIFFLAGS: 6446 case SIOCSIFMTU: 6447 default: 6448 if ((error = ether_ioctl(ifp, command, data)) != ENETRESET) 6449 return error; 6450 if ((ifp->if_flags & IFF_RUNNING) == 0) 6451 ; 6452 else if (command == SIOCSIFCAP || command == SIOCSIFMTU) { 6453 IXGBE_CORE_LOCK(adapter); 6454 if ((ifp->if_flags & IFF_RUNNING) != 0) 6455 ixgbe_init_locked(adapter); 6456 ixgbe_recalculate_max_frame(adapter); 6457 IXGBE_CORE_UNLOCK(adapter); 6458 } else if (command == SIOCADDMULTI || command == SIOCDELMULTI) { 6459 /* 6460 * Multicast list has changed; set the hardware filter 6461 * accordingly. 6462 */ 6463 IXGBE_CORE_LOCK(adapter); 6464 ixgbe_disable_intr(adapter); 6465 ixgbe_set_rxfilter(adapter); 6466 ixgbe_enable_intr(adapter); 6467 IXGBE_CORE_UNLOCK(adapter); 6468 } 6469 return 0; 6470 } 6471 6472 return error; 6473 } /* ixgbe_ioctl */ 6474 6475 /************************************************************************ 6476 * ixgbe_check_fan_failure 6477 ************************************************************************/ 6478 static void 6479 ixgbe_check_fan_failure(struct adapter *adapter, u32 reg, bool in_interrupt) 6480 { 6481 u32 mask; 6482 6483 mask = (in_interrupt) ? IXGBE_EICR_GPI_SDP1_BY_MAC(&adapter->hw) : 6484 IXGBE_ESDP_SDP1; 6485 6486 if (reg & mask) 6487 device_printf(adapter->dev, "\nCRITICAL: FAN FAILURE!! REPLACE IMMEDIATELY!!\n"); 6488 } /* ixgbe_check_fan_failure */ 6489 6490 /************************************************************************ 6491 * ixgbe_handle_que 6492 ************************************************************************/ 6493 static void 6494 ixgbe_handle_que(void *context) 6495 { 6496 struct ix_queue *que = context; 6497 struct adapter *adapter = que->adapter; 6498 struct tx_ring *txr = que->txr; 6499 struct ifnet *ifp = adapter->ifp; 6500 bool more = false; 6501 6502 que->handleq.ev_count++; 6503 6504 if (ifp->if_flags & IFF_RUNNING) { 6505 more = ixgbe_rxeof(que); 6506 IXGBE_TX_LOCK(txr); 6507 more |= ixgbe_txeof(txr); 6508 if (!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX)) 6509 if (!ixgbe_mq_ring_empty(ifp, txr->txr_interq)) 6510 ixgbe_mq_start_locked(ifp, txr); 6511 /* Only for queue 0 */ 6512 /* NetBSD still needs this for CBQ */ 6513 if ((&adapter->queues[0] == que) 6514 && (!ixgbe_legacy_ring_empty(ifp, NULL))) 6515 ixgbe_legacy_start_locked(ifp, txr); 6516 IXGBE_TX_UNLOCK(txr); 6517 } 6518 6519 if (more) { 6520 que->req.ev_count++; 6521 ixgbe_sched_handle_que(adapter, que); 6522 } else if (que->res != NULL) { 6523 /* Re-enable this interrupt */ 6524 ixgbe_enable_queue(adapter, que->msix); 6525 } else 6526 ixgbe_enable_intr(adapter); 6527 6528 return; 6529 } /* ixgbe_handle_que */ 6530 6531 /************************************************************************ 6532 * ixgbe_handle_que_work 6533 ************************************************************************/ 6534 static void 6535 ixgbe_handle_que_work(struct work *wk, void *context) 6536 { 6537 struct ix_queue *que = container_of(wk, struct ix_queue, wq_cookie); 6538 6539 /* 6540 * "enqueued flag" is not required here. 6541 * See ixgbe_msix_que(). 6542 */ 6543 ixgbe_handle_que(que); 6544 } 6545 6546 /************************************************************************ 6547 * ixgbe_allocate_legacy - Setup the Legacy or MSI Interrupt handler 6548 ************************************************************************/ 6549 static int 6550 ixgbe_allocate_legacy(struct adapter *adapter, 6551 const struct pci_attach_args *pa) 6552 { 6553 device_t dev = adapter->dev; 6554 struct ix_queue *que = adapter->queues; 6555 struct tx_ring *txr = adapter->tx_rings; 6556 int counts[PCI_INTR_TYPE_SIZE]; 6557 pci_intr_type_t intr_type, max_type; 6558 char intrbuf[PCI_INTRSTR_LEN]; 6559 char wqname[MAXCOMLEN]; 6560 const char *intrstr = NULL; 6561 int defertx_error = 0, error; 6562 6563 /* We allocate a single interrupt resource */ 6564 max_type = PCI_INTR_TYPE_MSI; 6565 counts[PCI_INTR_TYPE_MSIX] = 0; 6566 counts[PCI_INTR_TYPE_MSI] = 6567 (adapter->feat_en & IXGBE_FEATURE_MSI) ? 1 : 0; 6568 /* Check not feat_en but feat_cap to fallback to INTx */ 6569 counts[PCI_INTR_TYPE_INTX] = 6570 (adapter->feat_cap & IXGBE_FEATURE_LEGACY_IRQ) ? 1 : 0; 6571 6572 alloc_retry: 6573 if (pci_intr_alloc(pa, &adapter->osdep.intrs, counts, max_type) != 0) { 6574 aprint_error_dev(dev, "couldn't alloc interrupt\n"); 6575 return ENXIO; 6576 } 6577 adapter->osdep.nintrs = 1; 6578 intrstr = pci_intr_string(adapter->osdep.pc, adapter->osdep.intrs[0], 6579 intrbuf, sizeof(intrbuf)); 6580 adapter->osdep.ihs[0] = pci_intr_establish_xname(adapter->osdep.pc, 6581 adapter->osdep.intrs[0], IPL_NET, ixgbe_legacy_irq, que, 6582 device_xname(dev)); 6583 intr_type = pci_intr_type(adapter->osdep.pc, adapter->osdep.intrs[0]); 6584 if (adapter->osdep.ihs[0] == NULL) { 6585 aprint_error_dev(dev,"unable to establish %s\n", 6586 (intr_type == PCI_INTR_TYPE_MSI) ? "MSI" : "INTx"); 6587 pci_intr_release(adapter->osdep.pc, adapter->osdep.intrs, 1); 6588 adapter->osdep.intrs = NULL; 6589 switch (intr_type) { 6590 case PCI_INTR_TYPE_MSI: 6591 /* The next try is for INTx: Disable MSI */ 6592 max_type = PCI_INTR_TYPE_INTX; 6593 counts[PCI_INTR_TYPE_INTX] = 1; 6594 adapter->feat_en &= ~IXGBE_FEATURE_MSI; 6595 if (adapter->feat_cap & IXGBE_FEATURE_LEGACY_IRQ) { 6596 adapter->feat_en |= IXGBE_FEATURE_LEGACY_IRQ; 6597 goto alloc_retry; 6598 } else 6599 break; 6600 case PCI_INTR_TYPE_INTX: 6601 default: 6602 /* See below */ 6603 break; 6604 } 6605 } 6606 if (intr_type == PCI_INTR_TYPE_INTX) { 6607 adapter->feat_en &= ~IXGBE_FEATURE_MSI; 6608 adapter->feat_en |= IXGBE_FEATURE_LEGACY_IRQ; 6609 } 6610 if (adapter->osdep.ihs[0] == NULL) { 6611 aprint_error_dev(dev, 6612 "couldn't establish interrupt%s%s\n", 6613 intrstr ? " at " : "", intrstr ? intrstr : ""); 6614 pci_intr_release(adapter->osdep.pc, adapter->osdep.intrs, 1); 6615 adapter->osdep.intrs = NULL; 6616 return ENXIO; 6617 } 6618 aprint_normal_dev(dev, "interrupting at %s\n", intrstr); 6619 /* 6620 * Try allocating a fast interrupt and the associated deferred 6621 * processing contexts. 6622 */ 6623 if (!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX)) { 6624 txr->txr_si = 6625 softint_establish(SOFTINT_NET | IXGBE_SOFTINT_FLAGS, 6626 ixgbe_deferred_mq_start, txr); 6627 6628 snprintf(wqname, sizeof(wqname), "%sdeferTx", device_xname(dev)); 6629 defertx_error = workqueue_create(&adapter->txr_wq, wqname, 6630 ixgbe_deferred_mq_start_work, adapter, IXGBE_WORKQUEUE_PRI, 6631 IPL_NET, IXGBE_WORKQUEUE_FLAGS); 6632 adapter->txr_wq_enqueued = percpu_alloc(sizeof(u_int)); 6633 } 6634 que->que_si = softint_establish(SOFTINT_NET | IXGBE_SOFTINT_FLAGS, 6635 ixgbe_handle_que, que); 6636 snprintf(wqname, sizeof(wqname), "%sTxRx", device_xname(dev)); 6637 error = workqueue_create(&adapter->que_wq, wqname, 6638 ixgbe_handle_que_work, adapter, IXGBE_WORKQUEUE_PRI, IPL_NET, 6639 IXGBE_WORKQUEUE_FLAGS); 6640 6641 if ((!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX) 6642 && ((txr->txr_si == NULL) || defertx_error != 0)) 6643 || (que->que_si == NULL) || error != 0) { 6644 aprint_error_dev(dev, 6645 "could not establish software interrupts\n"); 6646 6647 return ENXIO; 6648 } 6649 /* For simplicity in the handlers */ 6650 adapter->active_queues = IXGBE_EIMS_ENABLE_MASK; 6651 6652 return (0); 6653 } /* ixgbe_allocate_legacy */ 6654 6655 /************************************************************************ 6656 * ixgbe_allocate_msix - Setup MSI-X Interrupt resources and handlers 6657 ************************************************************************/ 6658 static int 6659 ixgbe_allocate_msix(struct adapter *adapter, const struct pci_attach_args *pa) 6660 { 6661 device_t dev = adapter->dev; 6662 struct ix_queue *que = adapter->queues; 6663 struct tx_ring *txr = adapter->tx_rings; 6664 pci_chipset_tag_t pc; 6665 char intrbuf[PCI_INTRSTR_LEN]; 6666 char intr_xname[32]; 6667 char wqname[MAXCOMLEN]; 6668 const char *intrstr = NULL; 6669 int error, vector = 0; 6670 int cpu_id = 0; 6671 kcpuset_t *affinity; 6672 #ifdef RSS 6673 unsigned int rss_buckets = 0; 6674 kcpuset_t cpu_mask; 6675 #endif 6676 6677 pc = adapter->osdep.pc; 6678 #ifdef RSS 6679 /* 6680 * If we're doing RSS, the number of queues needs to 6681 * match the number of RSS buckets that are configured. 6682 * 6683 * + If there's more queues than RSS buckets, we'll end 6684 * up with queues that get no traffic. 6685 * 6686 * + If there's more RSS buckets than queues, we'll end 6687 * up having multiple RSS buckets map to the same queue, 6688 * so there'll be some contention. 6689 */ 6690 rss_buckets = rss_getnumbuckets(); 6691 if ((adapter->feat_en & IXGBE_FEATURE_RSS) && 6692 (adapter->num_queues != rss_buckets)) { 6693 device_printf(dev, 6694 "%s: number of queues (%d) != number of RSS buckets (%d)" 6695 "; performance will be impacted.\n", 6696 __func__, adapter->num_queues, rss_buckets); 6697 } 6698 #endif 6699 6700 adapter->osdep.nintrs = adapter->num_queues + 1; 6701 if (pci_msix_alloc_exact(pa, &adapter->osdep.intrs, 6702 adapter->osdep.nintrs) != 0) { 6703 aprint_error_dev(dev, 6704 "failed to allocate MSI-X interrupt\n"); 6705 return (ENXIO); 6706 } 6707 6708 kcpuset_create(&affinity, false); 6709 for (int i = 0; i < adapter->num_queues; i++, vector++, que++, txr++) { 6710 snprintf(intr_xname, sizeof(intr_xname), "%s TXRX%d", 6711 device_xname(dev), i); 6712 intrstr = pci_intr_string(pc, adapter->osdep.intrs[i], intrbuf, 6713 sizeof(intrbuf)); 6714 #ifdef IXGBE_MPSAFE 6715 pci_intr_setattr(pc, &adapter->osdep.intrs[i], PCI_INTR_MPSAFE, 6716 true); 6717 #endif 6718 /* Set the handler function */ 6719 que->res = adapter->osdep.ihs[i] = pci_intr_establish_xname(pc, 6720 adapter->osdep.intrs[i], IPL_NET, ixgbe_msix_que, que, 6721 intr_xname); 6722 if (que->res == NULL) { 6723 aprint_error_dev(dev, 6724 "Failed to register QUE handler\n"); 6725 error = ENXIO; 6726 goto err_out; 6727 } 6728 que->msix = vector; 6729 adapter->active_queues |= 1ULL << que->msix; 6730 6731 if (adapter->feat_en & IXGBE_FEATURE_RSS) { 6732 #ifdef RSS 6733 /* 6734 * The queue ID is used as the RSS layer bucket ID. 6735 * We look up the queue ID -> RSS CPU ID and select 6736 * that. 6737 */ 6738 cpu_id = rss_getcpu(i % rss_getnumbuckets()); 6739 CPU_SETOF(cpu_id, &cpu_mask); 6740 #endif 6741 } else { 6742 /* 6743 * Bind the MSI-X vector, and thus the 6744 * rings to the corresponding CPU. 6745 * 6746 * This just happens to match the default RSS 6747 * round-robin bucket -> queue -> CPU allocation. 6748 */ 6749 if (adapter->num_queues > 1) 6750 cpu_id = i; 6751 } 6752 /* Round-robin affinity */ 6753 kcpuset_zero(affinity); 6754 kcpuset_set(affinity, cpu_id % ncpu); 6755 error = interrupt_distribute(adapter->osdep.ihs[i], affinity, 6756 NULL); 6757 aprint_normal_dev(dev, "for TX/RX, interrupting at %s", 6758 intrstr); 6759 if (error == 0) { 6760 #if 1 /* def IXGBE_DEBUG */ 6761 #ifdef RSS 6762 aprintf_normal(", bound RSS bucket %d to CPU %d", i, 6763 cpu_id % ncpu); 6764 #else 6765 aprint_normal(", bound queue %d to cpu %d", i, 6766 cpu_id % ncpu); 6767 #endif 6768 #endif /* IXGBE_DEBUG */ 6769 } 6770 aprint_normal("\n"); 6771 6772 if (!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX)) { 6773 txr->txr_si = softint_establish( 6774 SOFTINT_NET | IXGBE_SOFTINT_FLAGS, 6775 ixgbe_deferred_mq_start, txr); 6776 if (txr->txr_si == NULL) { 6777 aprint_error_dev(dev, 6778 "couldn't establish software interrupt\n"); 6779 error = ENXIO; 6780 goto err_out; 6781 } 6782 } 6783 que->que_si 6784 = softint_establish(SOFTINT_NET | IXGBE_SOFTINT_FLAGS, 6785 ixgbe_handle_que, que); 6786 if (que->que_si == NULL) { 6787 aprint_error_dev(dev, 6788 "couldn't establish software interrupt\n"); 6789 error = ENXIO; 6790 goto err_out; 6791 } 6792 } 6793 snprintf(wqname, sizeof(wqname), "%sdeferTx", device_xname(dev)); 6794 error = workqueue_create(&adapter->txr_wq, wqname, 6795 ixgbe_deferred_mq_start_work, adapter, IXGBE_WORKQUEUE_PRI, IPL_NET, 6796 IXGBE_WORKQUEUE_FLAGS); 6797 if (error) { 6798 aprint_error_dev(dev, "couldn't create workqueue for deferred Tx\n"); 6799 goto err_out; 6800 } 6801 adapter->txr_wq_enqueued = percpu_alloc(sizeof(u_int)); 6802 6803 snprintf(wqname, sizeof(wqname), "%sTxRx", device_xname(dev)); 6804 error = workqueue_create(&adapter->que_wq, wqname, 6805 ixgbe_handle_que_work, adapter, IXGBE_WORKQUEUE_PRI, IPL_NET, 6806 IXGBE_WORKQUEUE_FLAGS); 6807 if (error) { 6808 aprint_error_dev(dev, "couldn't create workqueue for Tx/Rx\n"); 6809 goto err_out; 6810 } 6811 6812 /* and Link */ 6813 cpu_id++; 6814 snprintf(intr_xname, sizeof(intr_xname), "%s link", device_xname(dev)); 6815 adapter->vector = vector; 6816 intrstr = pci_intr_string(pc, adapter->osdep.intrs[vector], intrbuf, 6817 sizeof(intrbuf)); 6818 #ifdef IXGBE_MPSAFE 6819 pci_intr_setattr(pc, &adapter->osdep.intrs[vector], PCI_INTR_MPSAFE, 6820 true); 6821 #endif 6822 /* Set the link handler function */ 6823 adapter->osdep.ihs[vector] = pci_intr_establish_xname(pc, 6824 adapter->osdep.intrs[vector], IPL_NET, ixgbe_msix_admin, adapter, 6825 intr_xname); 6826 if (adapter->osdep.ihs[vector] == NULL) { 6827 aprint_error_dev(dev, "Failed to register LINK handler\n"); 6828 error = ENXIO; 6829 goto err_out; 6830 } 6831 /* Round-robin affinity */ 6832 kcpuset_zero(affinity); 6833 kcpuset_set(affinity, cpu_id % ncpu); 6834 error = interrupt_distribute(adapter->osdep.ihs[vector], affinity, 6835 NULL); 6836 6837 aprint_normal_dev(dev, 6838 "for link, interrupting at %s", intrstr); 6839 if (error == 0) 6840 aprint_normal(", affinity to cpu %d\n", cpu_id % ncpu); 6841 else 6842 aprint_normal("\n"); 6843 6844 kcpuset_destroy(affinity); 6845 aprint_normal_dev(dev, 6846 "Using MSI-X interrupts with %d vectors\n", vector + 1); 6847 6848 return (0); 6849 6850 err_out: 6851 kcpuset_destroy(affinity); 6852 ixgbe_free_workqueue(adapter); 6853 ixgbe_free_pciintr_resources(adapter); 6854 return (error); 6855 } /* ixgbe_allocate_msix */ 6856 6857 /************************************************************************ 6858 * ixgbe_configure_interrupts 6859 * 6860 * Setup MSI-X, MSI, or legacy interrupts (in that order). 6861 * This will also depend on user settings. 6862 ************************************************************************/ 6863 static int 6864 ixgbe_configure_interrupts(struct adapter *adapter) 6865 { 6866 device_t dev = adapter->dev; 6867 struct ixgbe_mac_info *mac = &adapter->hw.mac; 6868 int want, queues, msgs; 6869 6870 /* Default to 1 queue if MSI-X setup fails */ 6871 adapter->num_queues = 1; 6872 6873 /* Override by tuneable */ 6874 if (!(adapter->feat_cap & IXGBE_FEATURE_MSIX)) 6875 goto msi; 6876 6877 /* 6878 * NetBSD only: Use single vector MSI when number of CPU is 1 to save 6879 * interrupt slot. 6880 */ 6881 if (ncpu == 1) 6882 goto msi; 6883 6884 /* First try MSI-X */ 6885 msgs = pci_msix_count(adapter->osdep.pc, adapter->osdep.tag); 6886 msgs = MIN(msgs, IXG_MAX_NINTR); 6887 if (msgs < 2) 6888 goto msi; 6889 6890 adapter->msix_mem = (void *)1; /* XXX */ 6891 6892 /* Figure out a reasonable auto config value */ 6893 queues = (ncpu > (msgs - 1)) ? (msgs - 1) : ncpu; 6894 6895 #ifdef RSS 6896 /* If we're doing RSS, clamp at the number of RSS buckets */ 6897 if (adapter->feat_en & IXGBE_FEATURE_RSS) 6898 queues = uimin(queues, rss_getnumbuckets()); 6899 #endif 6900 if (ixgbe_num_queues > queues) { 6901 aprint_error_dev(adapter->dev, "ixgbe_num_queues (%d) is too large, using reduced amount (%d).\n", ixgbe_num_queues, queues); 6902 ixgbe_num_queues = queues; 6903 } 6904 6905 if (ixgbe_num_queues != 0) 6906 queues = ixgbe_num_queues; 6907 else 6908 queues = uimin(queues, 6909 uimin(mac->max_tx_queues, mac->max_rx_queues)); 6910 6911 /* reflect correct sysctl value */ 6912 ixgbe_num_queues = queues; 6913 6914 /* 6915 * Want one vector (RX/TX pair) per queue 6916 * plus an additional for Link. 6917 */ 6918 want = queues + 1; 6919 if (msgs >= want) 6920 msgs = want; 6921 else { 6922 aprint_error_dev(dev, "MSI-X Configuration Problem, " 6923 "%d vectors but %d queues wanted!\n", 6924 msgs, want); 6925 goto msi; 6926 } 6927 adapter->num_queues = queues; 6928 adapter->feat_en |= IXGBE_FEATURE_MSIX; 6929 return (0); 6930 6931 /* 6932 * MSI-X allocation failed or provided us with 6933 * less vectors than needed. Free MSI-X resources 6934 * and we'll try enabling MSI. 6935 */ 6936 msi: 6937 /* Without MSI-X, some features are no longer supported */ 6938 adapter->feat_cap &= ~IXGBE_FEATURE_RSS; 6939 adapter->feat_en &= ~IXGBE_FEATURE_RSS; 6940 adapter->feat_cap &= ~IXGBE_FEATURE_SRIOV; 6941 adapter->feat_en &= ~IXGBE_FEATURE_SRIOV; 6942 6943 msgs = pci_msi_count(adapter->osdep.pc, adapter->osdep.tag); 6944 adapter->msix_mem = NULL; /* XXX */ 6945 if (msgs > 1) 6946 msgs = 1; 6947 if (msgs != 0) { 6948 msgs = 1; 6949 adapter->feat_en |= IXGBE_FEATURE_MSI; 6950 return (0); 6951 } 6952 6953 if (!(adapter->feat_cap & IXGBE_FEATURE_LEGACY_IRQ)) { 6954 aprint_error_dev(dev, 6955 "Device does not support legacy interrupts.\n"); 6956 return 1; 6957 } 6958 6959 adapter->feat_en |= IXGBE_FEATURE_LEGACY_IRQ; 6960 6961 return (0); 6962 } /* ixgbe_configure_interrupts */ 6963 6964 6965 /************************************************************************ 6966 * ixgbe_handle_link - Tasklet for MSI-X Link interrupts 6967 * 6968 * Done outside of interrupt context since the driver might sleep 6969 ************************************************************************/ 6970 static void 6971 ixgbe_handle_link(void *context) 6972 { 6973 struct adapter *adapter = context; 6974 struct ixgbe_hw *hw = &adapter->hw; 6975 6976 ++adapter->link_workev.ev_count; 6977 ixgbe_check_link(hw, &adapter->link_speed, &adapter->link_up, 0); 6978 ixgbe_update_link_status(adapter); 6979 6980 /* Re-enable link interrupts */ 6981 IXGBE_WRITE_REG(hw, IXGBE_EIMS, IXGBE_EIMS_LSC); 6982 } /* ixgbe_handle_link */ 6983 6984 #if 0 6985 /************************************************************************ 6986 * ixgbe_rearm_queues 6987 ************************************************************************/ 6988 static __inline void 6989 ixgbe_rearm_queues(struct adapter *adapter, u64 queues) 6990 { 6991 u32 mask; 6992 6993 switch (adapter->hw.mac.type) { 6994 case ixgbe_mac_82598EB: 6995 mask = (IXGBE_EIMS_RTX_QUEUE & queues); 6996 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS, mask); 6997 break; 6998 case ixgbe_mac_82599EB: 6999 case ixgbe_mac_X540: 7000 case ixgbe_mac_X550: 7001 case ixgbe_mac_X550EM_x: 7002 case ixgbe_mac_X550EM_a: 7003 mask = (queues & 0xFFFFFFFF); 7004 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS_EX(0), mask); 7005 mask = (queues >> 32); 7006 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS_EX(1), mask); 7007 break; 7008 default: 7009 break; 7010 } 7011 } /* ixgbe_rearm_queues */ 7012 #endif 7013
Indexes created Tue Sep 30 07:10:03 GMT 2025