ixgbe.c revision 1.255
1 /* $NetBSD: ixgbe.c,v 1.255 2020/09/07 03:57:27 msaitoh Exp $ */ 2 3 /****************************************************************************** 4 5 Copyright (c) 2001-2017, Intel Corporation 6 All rights reserved. 7 8 Redistribution and use in source and binary forms, with or without 9 modification, are permitted provided that the following conditions are met: 10 11 1. Redistributions of source code must retain the above copyright notice, 12 this list of conditions and the following disclaimer. 13 14 2. Redistributions in binary form must reproduce the above copyright 15 notice, this list of conditions and the following disclaimer in the 16 documentation and/or other materials provided with the distribution. 17 18 3. Neither the name of the Intel Corporation nor the names of its 19 contributors may be used to endorse or promote products derived from 20 this software without specific prior written permission. 21 22 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 23 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 26 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32 POSSIBILITY OF SUCH DAMAGE. 33 34 ******************************************************************************/ 35 /*$FreeBSD: head/sys/dev/ixgbe/if_ix.c 331224 2018-03-19 20:55:05Z erj $*/ 36 37 /* 38 * Copyright (c) 2011 The NetBSD Foundation, Inc. 39 * All rights reserved. 40 * 41 * This code is derived from software contributed to The NetBSD Foundation 42 * by Coyote Point Systems, Inc. 43 * 44 * Redistribution and use in source and binary forms, with or without 45 * modification, are permitted provided that the following conditions 46 * are met: 47 * 1. Redistributions of source code must retain the above copyright 48 * notice, this list of conditions and the following disclaimer. 49 * 2. Redistributions in binary form must reproduce the above copyright 50 * notice, this list of conditions and the following disclaimer in the 51 * documentation and/or other materials provided with the distribution. 52 * 53 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 54 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 55 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 56 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 57 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 58 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 59 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 60 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 61 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 62 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 63 * POSSIBILITY OF SUCH DAMAGE. 64 */ 65 66 #ifdef _KERNEL_OPT 67 #include "opt_inet.h" 68 #include "opt_inet6.h" 69 #include "opt_net_mpsafe.h" 70 #endif 71 72 #include "ixgbe.h" 73 #include "ixgbe_phy.h" 74 #include "ixgbe_sriov.h" 75 #include "vlan.h" 76 77 #include <sys/cprng.h> 78 #include <dev/mii/mii.h> 79 #include <dev/mii/miivar.h> 80 81 /************************************************************************ 82 * Driver version 83 ************************************************************************/ 84 static const char ixgbe_driver_version[] = "4.0.1-k"; 85 /* XXX NetBSD: + 3.3.10 */ 86 87 /************************************************************************ 88 * PCI Device ID Table 89 * 90 * Used by probe to select devices to load on 91 * Last field stores an index into ixgbe_strings 92 * Last entry must be all 0s 93 * 94 * { Vendor ID, Device ID, SubVendor ID, SubDevice ID, String Index } 95 ************************************************************************/ 96 static const ixgbe_vendor_info_t ixgbe_vendor_info_array[] = 97 { 98 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598AF_DUAL_PORT, 0, 0, 0}, 99 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598AF_SINGLE_PORT, 0, 0, 0}, 100 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598EB_CX4, 0, 0, 0}, 101 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598AT, 0, 0, 0}, 102 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598AT2, 0, 0, 0}, 103 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598, 0, 0, 0}, 104 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598_BX, 0, 0, 0}, 105 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598_DA_DUAL_PORT, 0, 0, 0}, 106 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598_CX4_DUAL_PORT, 0, 0, 0}, 107 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598EB_XF_LR, 0, 0, 0}, 108 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598_SR_DUAL_PORT_EM, 0, 0, 0}, 109 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598EB_SFP_LOM, 0, 0, 0}, 110 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_KR, 0, 0, 0}, 111 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_KX4, 0, 0, 0}, 112 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_KX4_MEZZ, 0, 0, 0}, 113 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_SFP, 0, 0, 0}, 114 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_SFP_EM, 0, 0, 0}, 115 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_XAUI_LOM, 0, 0, 0}, 116 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_CX4, 0, 0, 0}, 117 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_T3_LOM, 0, 0, 0}, 118 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_COMBO_BACKPLANE, 0, 0, 0}, 119 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_BACKPLANE_FCOE, 0, 0, 0}, 120 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_SFP_SF2, 0, 0, 0}, 121 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_SFP_FCOE, 0, 0, 0}, 122 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599EN_SFP, 0, 0, 0}, 123 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_SFP_SF_QP, 0, 0, 0}, 124 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_QSFP_SF_QP, 0, 0, 0}, 125 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X540T, 0, 0, 0}, 126 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X540T1, 0, 0, 0}, 127 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550T, 0, 0, 0}, 128 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550T1, 0, 0, 0}, 129 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_KR, 0, 0, 0}, 130 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_KX4, 0, 0, 0}, 131 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_10G_T, 0, 0, 0}, 132 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_1G_T, 0, 0, 0}, 133 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_SFP, 0, 0, 0}, 134 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_XFI, 0, 0, 0}, 135 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_KR, 0, 0, 0}, 136 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_KR_L, 0, 0, 0}, 137 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_QSFP, 0, 0, 0}, 138 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_QSFP_N, 0, 0, 0}, 139 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_SFP, 0, 0, 0}, 140 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_SFP_N, 0, 0, 0}, 141 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_SGMII, 0, 0, 0}, 142 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_SGMII_L, 0, 0, 0}, 143 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_10G_T, 0, 0, 0}, 144 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_1G_T, 0, 0, 0}, 145 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_1G_T_L, 0, 0, 0}, 146 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X540_BYPASS, 0, 0, 0}, 147 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_BYPASS, 0, 0, 0}, 148 /* required last entry */ 149 {0, 0, 0, 0, 0} 150 }; 151 152 /************************************************************************ 153 * Table of branding strings 154 ************************************************************************/ 155 static const char *ixgbe_strings[] = { 156 "Intel(R) PRO/10GbE PCI-Express Network Driver" 157 }; 158 159 /************************************************************************ 160 * Function prototypes 161 ************************************************************************/ 162 static int ixgbe_probe(device_t, cfdata_t, void *); 163 static void ixgbe_quirks(struct adapter *); 164 static void ixgbe_attach(device_t, device_t, void *); 165 static int ixgbe_detach(device_t, int); 166 #if 0 167 static int ixgbe_shutdown(device_t); 168 #endif 169 static bool ixgbe_suspend(device_t, const pmf_qual_t *); 170 static bool ixgbe_resume(device_t, const pmf_qual_t *); 171 static int ixgbe_ifflags_cb(struct ethercom *); 172 static int ixgbe_ioctl(struct ifnet *, u_long, void *); 173 static int ixgbe_init(struct ifnet *); 174 static void ixgbe_init_locked(struct adapter *); 175 static void ixgbe_ifstop(struct ifnet *, int); 176 static void ixgbe_stop_locked(void *); 177 static void ixgbe_init_device_features(struct adapter *); 178 static void ixgbe_check_fan_failure(struct adapter *, u32, bool); 179 static void ixgbe_add_media_types(struct adapter *); 180 static void ixgbe_media_status(struct ifnet *, struct ifmediareq *); 181 static int ixgbe_media_change(struct ifnet *); 182 static int ixgbe_allocate_pci_resources(struct adapter *, 183 const struct pci_attach_args *); 184 static void ixgbe_free_workqueue(struct adapter *); 185 static void ixgbe_get_slot_info(struct adapter *); 186 static int ixgbe_allocate_msix(struct adapter *, 187 const struct pci_attach_args *); 188 static int ixgbe_allocate_legacy(struct adapter *, 189 const struct pci_attach_args *); 190 static int ixgbe_configure_interrupts(struct adapter *); 191 static void ixgbe_free_pciintr_resources(struct adapter *); 192 static void ixgbe_free_pci_resources(struct adapter *); 193 static void ixgbe_local_timer(void *); 194 static void ixgbe_handle_timer(struct work *, void *); 195 static void ixgbe_recovery_mode_timer(void *); 196 static void ixgbe_handle_recovery_mode_timer(struct work *, void *); 197 static int ixgbe_setup_interface(device_t, struct adapter *); 198 static void ixgbe_config_gpie(struct adapter *); 199 static void ixgbe_config_dmac(struct adapter *); 200 static void ixgbe_config_delay_values(struct adapter *); 201 static void ixgbe_schedule_admin_tasklet(struct adapter *); 202 static void ixgbe_config_link(struct adapter *); 203 static void ixgbe_check_wol_support(struct adapter *); 204 static int ixgbe_setup_low_power_mode(struct adapter *); 205 #if 0 206 static void ixgbe_rearm_queues(struct adapter *, u64); 207 #endif 208 209 static void ixgbe_initialize_transmit_units(struct adapter *); 210 static void ixgbe_initialize_receive_units(struct adapter *); 211 static void ixgbe_enable_rx_drop(struct adapter *); 212 static void ixgbe_disable_rx_drop(struct adapter *); 213 static void ixgbe_initialize_rss_mapping(struct adapter *); 214 215 static void ixgbe_enable_intr(struct adapter *); 216 static void ixgbe_disable_intr(struct adapter *); 217 static void ixgbe_update_stats_counters(struct adapter *); 218 static void ixgbe_set_rxfilter(struct adapter *); 219 static void ixgbe_update_link_status(struct adapter *); 220 static void ixgbe_set_ivar(struct adapter *, u8, u8, s8); 221 static void ixgbe_configure_ivars(struct adapter *); 222 static u8 * ixgbe_mc_array_itr(struct ixgbe_hw *, u8 **, u32 *); 223 static void ixgbe_eitr_write(struct adapter *, uint32_t, uint32_t); 224 225 static void ixgbe_setup_vlan_hw_tagging(struct adapter *); 226 static void ixgbe_setup_vlan_hw_support(struct adapter *); 227 static int ixgbe_vlan_cb(struct ethercom *, uint16_t, bool); 228 static int ixgbe_register_vlan(struct adapter *, u16); 229 static int ixgbe_unregister_vlan(struct adapter *, u16); 230 231 static void ixgbe_add_device_sysctls(struct adapter *); 232 static void ixgbe_add_hw_stats(struct adapter *); 233 static void ixgbe_clear_evcnt(struct adapter *); 234 static int ixgbe_set_flowcntl(struct adapter *, int); 235 static int ixgbe_set_advertise(struct adapter *, int); 236 static int ixgbe_get_advertise(struct adapter *); 237 238 /* Sysctl handlers */ 239 static void ixgbe_set_sysctl_value(struct adapter *, const char *, 240 const char *, int *, int); 241 static int ixgbe_sysctl_flowcntl(SYSCTLFN_PROTO); 242 static int ixgbe_sysctl_advertise(SYSCTLFN_PROTO); 243 static int ixgbe_sysctl_interrupt_rate_handler(SYSCTLFN_PROTO); 244 static int ixgbe_sysctl_dmac(SYSCTLFN_PROTO); 245 static int ixgbe_sysctl_phy_temp(SYSCTLFN_PROTO); 246 static int ixgbe_sysctl_phy_overtemp_occurred(SYSCTLFN_PROTO); 247 #ifdef IXGBE_DEBUG 248 static int ixgbe_sysctl_power_state(SYSCTLFN_PROTO); 249 static int ixgbe_sysctl_print_rss_config(SYSCTLFN_PROTO); 250 #endif 251 static int ixgbe_sysctl_next_to_check_handler(SYSCTLFN_PROTO); 252 static int ixgbe_sysctl_rdh_handler(SYSCTLFN_PROTO); 253 static int ixgbe_sysctl_rdt_handler(SYSCTLFN_PROTO); 254 static int ixgbe_sysctl_tdt_handler(SYSCTLFN_PROTO); 255 static int ixgbe_sysctl_tdh_handler(SYSCTLFN_PROTO); 256 static int ixgbe_sysctl_eee_state(SYSCTLFN_PROTO); 257 static int ixgbe_sysctl_debug(SYSCTLFN_PROTO); 258 static int ixgbe_sysctl_wol_enable(SYSCTLFN_PROTO); 259 static int ixgbe_sysctl_wufc(SYSCTLFN_PROTO); 260 261 /* Legacy (single vector) interrupt handler */ 262 static int ixgbe_legacy_irq(void *); 263 264 /* The MSI/MSI-X Interrupt handlers */ 265 static int ixgbe_msix_que(void *); 266 static int ixgbe_msix_admin(void *); 267 268 /* Event handlers running on workqueue */ 269 static void ixgbe_handle_que(void *); 270 static void ixgbe_handle_link(void *); 271 static void ixgbe_handle_msf(void *); 272 static void ixgbe_handle_mod(void *); 273 static void ixgbe_handle_phy(void *); 274 275 /* Deferred workqueue handlers */ 276 static void ixgbe_handle_admin(struct work *, void *); 277 static void ixgbe_handle_que_work(struct work *, void *); 278 279 static const ixgbe_vendor_info_t *ixgbe_lookup(const struct pci_attach_args *); 280 281 /************************************************************************ 282 * NetBSD Device Interface Entry Points 283 ************************************************************************/ 284 CFATTACH_DECL3_NEW(ixg, sizeof(struct adapter), 285 ixgbe_probe, ixgbe_attach, ixgbe_detach, NULL, NULL, NULL, 286 DVF_DETACH_SHUTDOWN); 287 288 #if 0 289 devclass_t ix_devclass; 290 DRIVER_MODULE(ix, pci, ix_driver, ix_devclass, 0, 0); 291 292 MODULE_DEPEND(ix, pci, 1, 1, 1); 293 MODULE_DEPEND(ix, ether, 1, 1, 1); 294 #ifdef DEV_NETMAP 295 MODULE_DEPEND(ix, netmap, 1, 1, 1); 296 #endif 297 #endif 298 299 /* 300 * TUNEABLE PARAMETERS: 301 */ 302 303 /* 304 * AIM: Adaptive Interrupt Moderation 305 * which means that the interrupt rate 306 * is varied over time based on the 307 * traffic for that interrupt vector 308 */ 309 static bool ixgbe_enable_aim = true; 310 #define SYSCTL_INT(_a1, _a2, _a3, _a4, _a5, _a6, _a7) 311 SYSCTL_INT(_hw_ix, OID_AUTO, enable_aim, CTLFLAG_RDTUN, &ixgbe_enable_aim, 0, 312 "Enable adaptive interrupt moderation"); 313 314 static int ixgbe_max_interrupt_rate = (4000000 / IXGBE_LOW_LATENCY); 315 SYSCTL_INT(_hw_ix, OID_AUTO, max_interrupt_rate, CTLFLAG_RDTUN, 316 &ixgbe_max_interrupt_rate, 0, "Maximum interrupts per second"); 317 318 /* How many packets rxeof tries to clean at a time */ 319 static int ixgbe_rx_process_limit = 256; 320 SYSCTL_INT(_hw_ix, OID_AUTO, rx_process_limit, CTLFLAG_RDTUN, 321 &ixgbe_rx_process_limit, 0, "Maximum number of received packets to process at a time, -1 means unlimited"); 322 323 /* How many packets txeof tries to clean at a time */ 324 static int ixgbe_tx_process_limit = 256; 325 SYSCTL_INT(_hw_ix, OID_AUTO, tx_process_limit, CTLFLAG_RDTUN, 326 &ixgbe_tx_process_limit, 0, 327 "Maximum number of sent packets to process at a time, -1 means unlimited"); 328 329 /* Flow control setting, default to full */ 330 static int ixgbe_flow_control = ixgbe_fc_full; 331 SYSCTL_INT(_hw_ix, OID_AUTO, flow_control, CTLFLAG_RDTUN, 332 &ixgbe_flow_control, 0, "Default flow control used for all adapters"); 333 334 /* Which packet processing uses workqueue or softint */ 335 static bool ixgbe_txrx_workqueue = false; 336 337 /* 338 * Smart speed setting, default to on 339 * this only works as a compile option 340 * right now as its during attach, set 341 * this to 'ixgbe_smart_speed_off' to 342 * disable. 343 */ 344 static int ixgbe_smart_speed = ixgbe_smart_speed_on; 345 346 /* 347 * MSI-X should be the default for best performance, 348 * but this allows it to be forced off for testing. 349 */ 350 static int ixgbe_enable_msix = 1; 351 SYSCTL_INT(_hw_ix, OID_AUTO, enable_msix, CTLFLAG_RDTUN, &ixgbe_enable_msix, 0, 352 "Enable MSI-X interrupts"); 353 354 /* 355 * Number of Queues, can be set to 0, 356 * it then autoconfigures based on the 357 * number of cpus with a max of 8. This 358 * can be overridden manually here. 359 */ 360 static int ixgbe_num_queues = 0; 361 SYSCTL_INT(_hw_ix, OID_AUTO, num_queues, CTLFLAG_RDTUN, &ixgbe_num_queues, 0, 362 "Number of queues to configure, 0 indicates autoconfigure"); 363 364 /* 365 * Number of TX descriptors per ring, 366 * setting higher than RX as this seems 367 * the better performing choice. 368 */ 369 static int ixgbe_txd = PERFORM_TXD; 370 SYSCTL_INT(_hw_ix, OID_AUTO, txd, CTLFLAG_RDTUN, &ixgbe_txd, 0, 371 "Number of transmit descriptors per queue"); 372 373 /* Number of RX descriptors per ring */ 374 static int ixgbe_rxd = PERFORM_RXD; 375 SYSCTL_INT(_hw_ix, OID_AUTO, rxd, CTLFLAG_RDTUN, &ixgbe_rxd, 0, 376 "Number of receive descriptors per queue"); 377 378 /* 379 * Defining this on will allow the use 380 * of unsupported SFP+ modules, note that 381 * doing so you are on your own :) 382 */ 383 static int allow_unsupported_sfp = false; 384 #define TUNABLE_INT(__x, __y) 385 TUNABLE_INT("hw.ix.unsupported_sfp", &allow_unsupported_sfp); 386 387 /* 388 * Not sure if Flow Director is fully baked, 389 * so we'll default to turning it off. 390 */ 391 static int ixgbe_enable_fdir = 0; 392 SYSCTL_INT(_hw_ix, OID_AUTO, enable_fdir, CTLFLAG_RDTUN, &ixgbe_enable_fdir, 0, 393 "Enable Flow Director"); 394 395 /* Legacy Transmit (single queue) */ 396 static int ixgbe_enable_legacy_tx = 0; 397 SYSCTL_INT(_hw_ix, OID_AUTO, enable_legacy_tx, CTLFLAG_RDTUN, 398 &ixgbe_enable_legacy_tx, 0, "Enable Legacy TX flow"); 399 400 /* Receive-Side Scaling */ 401 static int ixgbe_enable_rss = 1; 402 SYSCTL_INT(_hw_ix, OID_AUTO, enable_rss, CTLFLAG_RDTUN, &ixgbe_enable_rss, 0, 403 "Enable Receive-Side Scaling (RSS)"); 404 405 #if 0 406 static int (*ixgbe_start_locked)(struct ifnet *, struct tx_ring *); 407 static int (*ixgbe_ring_empty)(struct ifnet *, pcq_t *); 408 #endif 409 410 #ifdef NET_MPSAFE 411 #define IXGBE_MPSAFE 1 412 #define IXGBE_CALLOUT_FLAGS CALLOUT_MPSAFE 413 #define IXGBE_SOFTINT_FLAGS SOFTINT_MPSAFE 414 #define IXGBE_WORKQUEUE_FLAGS WQ_PERCPU | WQ_MPSAFE 415 #define IXGBE_TASKLET_WQ_FLAGS WQ_MPSAFE 416 #else 417 #define IXGBE_CALLOUT_FLAGS 0 418 #define IXGBE_SOFTINT_FLAGS 0 419 #define IXGBE_WORKQUEUE_FLAGS WQ_PERCPU 420 #define IXGBE_TASKLET_WQ_FLAGS 0 421 #endif 422 #define IXGBE_WORKQUEUE_PRI PRI_SOFTNET 423 424 /************************************************************************ 425 * ixgbe_initialize_rss_mapping 426 ************************************************************************/ 427 static void 428 ixgbe_initialize_rss_mapping(struct adapter *adapter) 429 { 430 struct ixgbe_hw *hw = &adapter->hw; 431 u32 reta = 0, mrqc, rss_key[10]; 432 int queue_id, table_size, index_mult; 433 int i, j; 434 u32 rss_hash_config; 435 436 /* force use default RSS key. */ 437 #ifdef __NetBSD__ 438 rss_getkey((uint8_t *) &rss_key); 439 #else 440 if (adapter->feat_en & IXGBE_FEATURE_RSS) { 441 /* Fetch the configured RSS key */ 442 rss_getkey((uint8_t *) &rss_key); 443 } else { 444 /* set up random bits */ 445 cprng_fast(&rss_key, sizeof(rss_key)); 446 } 447 #endif 448 449 /* Set multiplier for RETA setup and table size based on MAC */ 450 index_mult = 0x1; 451 table_size = 128; 452 switch (adapter->hw.mac.type) { 453 case ixgbe_mac_82598EB: 454 index_mult = 0x11; 455 break; 456 case ixgbe_mac_X550: 457 case ixgbe_mac_X550EM_x: 458 case ixgbe_mac_X550EM_a: 459 table_size = 512; 460 break; 461 default: 462 break; 463 } 464 465 /* Set up the redirection table */ 466 for (i = 0, j = 0; i < table_size; i++, j++) { 467 if (j == adapter->num_queues) 468 j = 0; 469 470 if (adapter->feat_en & IXGBE_FEATURE_RSS) { 471 /* 472 * Fetch the RSS bucket id for the given indirection 473 * entry. Cap it at the number of configured buckets 474 * (which is num_queues.) 475 */ 476 queue_id = rss_get_indirection_to_bucket(i); 477 queue_id = queue_id % adapter->num_queues; 478 } else 479 queue_id = (j * index_mult); 480 481 /* 482 * The low 8 bits are for hash value (n+0); 483 * The next 8 bits are for hash value (n+1), etc. 484 */ 485 reta = reta >> 8; 486 reta = reta | (((uint32_t) queue_id) << 24); 487 if ((i & 3) == 3) { 488 if (i < 128) 489 IXGBE_WRITE_REG(hw, IXGBE_RETA(i >> 2), reta); 490 else 491 IXGBE_WRITE_REG(hw, IXGBE_ERETA((i >> 2) - 32), 492 reta); 493 reta = 0; 494 } 495 } 496 497 /* Now fill our hash function seeds */ 498 for (i = 0; i < 10; i++) 499 IXGBE_WRITE_REG(hw, IXGBE_RSSRK(i), rss_key[i]); 500 501 /* Perform hash on these packet types */ 502 if (adapter->feat_en & IXGBE_FEATURE_RSS) 503 rss_hash_config = rss_gethashconfig(); 504 else { 505 /* 506 * Disable UDP - IP fragments aren't currently being handled 507 * and so we end up with a mix of 2-tuple and 4-tuple 508 * traffic. 509 */ 510 rss_hash_config = RSS_HASHTYPE_RSS_IPV4 511 | RSS_HASHTYPE_RSS_TCP_IPV4 512 | RSS_HASHTYPE_RSS_IPV6 513 | RSS_HASHTYPE_RSS_TCP_IPV6 514 | RSS_HASHTYPE_RSS_IPV6_EX 515 | RSS_HASHTYPE_RSS_TCP_IPV6_EX; 516 } 517 518 mrqc = IXGBE_MRQC_RSSEN; 519 if (rss_hash_config & RSS_HASHTYPE_RSS_IPV4) 520 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4; 521 if (rss_hash_config & RSS_HASHTYPE_RSS_TCP_IPV4) 522 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4_TCP; 523 if (rss_hash_config & RSS_HASHTYPE_RSS_IPV6) 524 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6; 525 if (rss_hash_config & RSS_HASHTYPE_RSS_TCP_IPV6) 526 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_TCP; 527 if (rss_hash_config & RSS_HASHTYPE_RSS_IPV6_EX) 528 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_EX; 529 if (rss_hash_config & RSS_HASHTYPE_RSS_TCP_IPV6_EX) 530 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_EX_TCP; 531 if (rss_hash_config & RSS_HASHTYPE_RSS_UDP_IPV4) 532 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4_UDP; 533 if (rss_hash_config & RSS_HASHTYPE_RSS_UDP_IPV6) 534 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_UDP; 535 if (rss_hash_config & RSS_HASHTYPE_RSS_UDP_IPV6_EX) 536 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_EX_UDP; 537 mrqc |= ixgbe_get_mrqc(adapter->iov_mode); 538 IXGBE_WRITE_REG(hw, IXGBE_MRQC, mrqc); 539 } /* ixgbe_initialize_rss_mapping */ 540 541 /************************************************************************ 542 * ixgbe_initialize_receive_units - Setup receive registers and features. 543 ************************************************************************/ 544 #define BSIZEPKT_ROUNDUP ((1<<IXGBE_SRRCTL_BSIZEPKT_SHIFT)-1) 545 546 static void 547 ixgbe_initialize_receive_units(struct adapter *adapter) 548 { 549 struct rx_ring *rxr = adapter->rx_rings; 550 struct ixgbe_hw *hw = &adapter->hw; 551 struct ifnet *ifp = adapter->ifp; 552 int i, j; 553 u32 bufsz, fctrl, srrctl, rxcsum; 554 u32 hlreg; 555 556 /* 557 * Make sure receives are disabled while 558 * setting up the descriptor ring 559 */ 560 ixgbe_disable_rx(hw); 561 562 /* Enable broadcasts */ 563 fctrl = IXGBE_READ_REG(hw, IXGBE_FCTRL); 564 fctrl |= IXGBE_FCTRL_BAM; 565 if (adapter->hw.mac.type == ixgbe_mac_82598EB) { 566 fctrl |= IXGBE_FCTRL_DPF; 567 fctrl |= IXGBE_FCTRL_PMCF; 568 } 569 IXGBE_WRITE_REG(hw, IXGBE_FCTRL, fctrl); 570 571 /* Set for Jumbo Frames? */ 572 hlreg = IXGBE_READ_REG(hw, IXGBE_HLREG0); 573 if (ifp->if_mtu > ETHERMTU) 574 hlreg |= IXGBE_HLREG0_JUMBOEN; 575 else 576 hlreg &= ~IXGBE_HLREG0_JUMBOEN; 577 578 #ifdef DEV_NETMAP 579 /* CRC stripping is conditional in Netmap */ 580 if ((adapter->feat_en & IXGBE_FEATURE_NETMAP) && 581 (ifp->if_capenable & IFCAP_NETMAP) && 582 !ix_crcstrip) 583 hlreg &= ~IXGBE_HLREG0_RXCRCSTRP; 584 else 585 #endif /* DEV_NETMAP */ 586 hlreg |= IXGBE_HLREG0_RXCRCSTRP; 587 588 IXGBE_WRITE_REG(hw, IXGBE_HLREG0, hlreg); 589 590 bufsz = (adapter->rx_mbuf_sz + BSIZEPKT_ROUNDUP) >> 591 IXGBE_SRRCTL_BSIZEPKT_SHIFT; 592 593 for (i = 0; i < adapter->num_queues; i++, rxr++) { 594 u64 rdba = rxr->rxdma.dma_paddr; 595 u32 reg; 596 int regnum = i / 4; /* 1 register per 4 queues */ 597 int regshift = i % 4; /* 4 bits per 1 queue */ 598 j = rxr->me; 599 600 /* Setup the Base and Length of the Rx Descriptor Ring */ 601 IXGBE_WRITE_REG(hw, IXGBE_RDBAL(j), 602 (rdba & 0x00000000ffffffffULL)); 603 IXGBE_WRITE_REG(hw, IXGBE_RDBAH(j), (rdba >> 32)); 604 IXGBE_WRITE_REG(hw, IXGBE_RDLEN(j), 605 adapter->num_rx_desc * sizeof(union ixgbe_adv_rx_desc)); 606 607 /* Set up the SRRCTL register */ 608 srrctl = IXGBE_READ_REG(hw, IXGBE_SRRCTL(j)); 609 srrctl &= ~IXGBE_SRRCTL_BSIZEHDR_MASK; 610 srrctl &= ~IXGBE_SRRCTL_BSIZEPKT_MASK; 611 srrctl |= bufsz; 612 srrctl |= IXGBE_SRRCTL_DESCTYPE_ADV_ONEBUF; 613 614 /* Set RQSMR (Receive Queue Statistic Mapping) register */ 615 reg = IXGBE_READ_REG(hw, IXGBE_RQSMR(regnum)); 616 reg &= ~(0x000000ffUL << (regshift * 8)); 617 reg |= i << (regshift * 8); 618 IXGBE_WRITE_REG(hw, IXGBE_RQSMR(regnum), reg); 619 620 /* 621 * Set DROP_EN iff we have no flow control and >1 queue. 622 * Note that srrctl was cleared shortly before during reset, 623 * so we do not need to clear the bit, but do it just in case 624 * this code is moved elsewhere. 625 */ 626 if (adapter->num_queues > 1 && 627 adapter->hw.fc.requested_mode == ixgbe_fc_none) { 628 srrctl |= IXGBE_SRRCTL_DROP_EN; 629 } else { 630 srrctl &= ~IXGBE_SRRCTL_DROP_EN; 631 } 632 633 IXGBE_WRITE_REG(hw, IXGBE_SRRCTL(j), srrctl); 634 635 /* Setup the HW Rx Head and Tail Descriptor Pointers */ 636 IXGBE_WRITE_REG(hw, IXGBE_RDH(j), 0); 637 IXGBE_WRITE_REG(hw, IXGBE_RDT(j), 0); 638 639 /* Set the driver rx tail address */ 640 rxr->tail = IXGBE_RDT(rxr->me); 641 } 642 643 if (adapter->hw.mac.type != ixgbe_mac_82598EB) { 644 u32 psrtype = IXGBE_PSRTYPE_TCPHDR 645 | IXGBE_PSRTYPE_UDPHDR 646 | IXGBE_PSRTYPE_IPV4HDR 647 | IXGBE_PSRTYPE_IPV6HDR; 648 IXGBE_WRITE_REG(hw, IXGBE_PSRTYPE(0), psrtype); 649 } 650 651 rxcsum = IXGBE_READ_REG(hw, IXGBE_RXCSUM); 652 653 ixgbe_initialize_rss_mapping(adapter); 654 655 if (adapter->num_queues > 1) { 656 /* RSS and RX IPP Checksum are mutually exclusive */ 657 rxcsum |= IXGBE_RXCSUM_PCSD; 658 } 659 660 if (ifp->if_capenable & IFCAP_RXCSUM) 661 rxcsum |= IXGBE_RXCSUM_PCSD; 662 663 /* This is useful for calculating UDP/IP fragment checksums */ 664 if (!(rxcsum & IXGBE_RXCSUM_PCSD)) 665 rxcsum |= IXGBE_RXCSUM_IPPCSE; 666 667 IXGBE_WRITE_REG(hw, IXGBE_RXCSUM, rxcsum); 668 669 } /* ixgbe_initialize_receive_units */ 670 671 /************************************************************************ 672 * ixgbe_initialize_transmit_units - Enable transmit units. 673 ************************************************************************/ 674 static void 675 ixgbe_initialize_transmit_units(struct adapter *adapter) 676 { 677 struct tx_ring *txr = adapter->tx_rings; 678 struct ixgbe_hw *hw = &adapter->hw; 679 int i; 680 681 INIT_DEBUGOUT("ixgbe_initialize_transmit_units"); 682 683 /* Setup the Base and Length of the Tx Descriptor Ring */ 684 for (i = 0; i < adapter->num_queues; i++, txr++) { 685 u64 tdba = txr->txdma.dma_paddr; 686 u32 txctrl = 0; 687 u32 tqsmreg, reg; 688 int regnum = i / 4; /* 1 register per 4 queues */ 689 int regshift = i % 4; /* 4 bits per 1 queue */ 690 int j = txr->me; 691 692 IXGBE_WRITE_REG(hw, IXGBE_TDBAL(j), 693 (tdba & 0x00000000ffffffffULL)); 694 IXGBE_WRITE_REG(hw, IXGBE_TDBAH(j), (tdba >> 32)); 695 IXGBE_WRITE_REG(hw, IXGBE_TDLEN(j), 696 adapter->num_tx_desc * sizeof(union ixgbe_adv_tx_desc)); 697 698 /* 699 * Set TQSMR (Transmit Queue Statistic Mapping) register. 700 * Register location is different between 82598 and others. 701 */ 702 if (adapter->hw.mac.type == ixgbe_mac_82598EB) 703 tqsmreg = IXGBE_TQSMR(regnum); 704 else 705 tqsmreg = IXGBE_TQSM(regnum); 706 reg = IXGBE_READ_REG(hw, tqsmreg); 707 reg &= ~(0x000000ffUL << (regshift * 8)); 708 reg |= i << (regshift * 8); 709 IXGBE_WRITE_REG(hw, tqsmreg, reg); 710 711 /* Setup the HW Tx Head and Tail descriptor pointers */ 712 IXGBE_WRITE_REG(hw, IXGBE_TDH(j), 0); 713 IXGBE_WRITE_REG(hw, IXGBE_TDT(j), 0); 714 715 /* Cache the tail address */ 716 txr->tail = IXGBE_TDT(j); 717 718 txr->txr_no_space = false; 719 720 /* Disable Head Writeback */ 721 /* 722 * Note: for X550 series devices, these registers are actually 723 * prefixed with TPH_ isntead of DCA_, but the addresses and 724 * fields remain the same. 725 */ 726 switch (hw->mac.type) { 727 case ixgbe_mac_82598EB: 728 txctrl = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(j)); 729 break; 730 default: 731 txctrl = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL_82599(j)); 732 break; 733 } 734 txctrl &= ~IXGBE_DCA_TXCTRL_DESC_WRO_EN; 735 switch (hw->mac.type) { 736 case ixgbe_mac_82598EB: 737 IXGBE_WRITE_REG(hw, IXGBE_DCA_TXCTRL(j), txctrl); 738 break; 739 default: 740 IXGBE_WRITE_REG(hw, IXGBE_DCA_TXCTRL_82599(j), txctrl); 741 break; 742 } 743 744 } 745 746 if (hw->mac.type != ixgbe_mac_82598EB) { 747 u32 dmatxctl, rttdcs; 748 749 dmatxctl = IXGBE_READ_REG(hw, IXGBE_DMATXCTL); 750 dmatxctl |= IXGBE_DMATXCTL_TE; 751 IXGBE_WRITE_REG(hw, IXGBE_DMATXCTL, dmatxctl); 752 /* Disable arbiter to set MTQC */ 753 rttdcs = IXGBE_READ_REG(hw, IXGBE_RTTDCS); 754 rttdcs |= IXGBE_RTTDCS_ARBDIS; 755 IXGBE_WRITE_REG(hw, IXGBE_RTTDCS, rttdcs); 756 IXGBE_WRITE_REG(hw, IXGBE_MTQC, 757 ixgbe_get_mtqc(adapter->iov_mode)); 758 rttdcs &= ~IXGBE_RTTDCS_ARBDIS; 759 IXGBE_WRITE_REG(hw, IXGBE_RTTDCS, rttdcs); 760 } 761 762 return; 763 } /* ixgbe_initialize_transmit_units */ 764 765 static void 766 ixgbe_quirks(struct adapter *adapter) 767 { 768 device_t dev = adapter->dev; 769 struct ixgbe_hw *hw = &adapter->hw; 770 const char *vendor, *product; 771 772 if (hw->device_id == IXGBE_DEV_ID_X550EM_A_SFP_N) { 773 /* 774 * Quirk for inverted logic of SFP+'s MOD_ABS on GIGABYTE 775 * MA10-ST0. 776 */ 777 vendor = pmf_get_platform("system-vendor"); 778 product = pmf_get_platform("system-product"); 779 780 if ((vendor == NULL) || (product == NULL)) 781 return; 782 783 if ((strcmp(vendor, "GIGABYTE") == 0) && 784 (strcmp(product, "MA10-ST0") == 0)) { 785 aprint_verbose_dev(dev, 786 "Enable SFP+ MOD_ABS inverse quirk\n"); 787 adapter->hw.quirks |= IXGBE_QUIRK_MOD_ABS_INVERT; 788 } 789 } 790 } 791 792 /************************************************************************ 793 * ixgbe_attach - Device initialization routine 794 * 795 * Called when the driver is being loaded. 796 * Identifies the type of hardware, allocates all resources 797 * and initializes the hardware. 798 * 799 * return 0 on success, positive on failure 800 ************************************************************************/ 801 static void 802 ixgbe_attach(device_t parent, device_t dev, void *aux) 803 { 804 struct adapter *adapter; 805 struct ixgbe_hw *hw; 806 int error = -1; 807 u32 ctrl_ext; 808 u16 high, low, nvmreg; 809 pcireg_t id, subid; 810 const ixgbe_vendor_info_t *ent; 811 struct pci_attach_args *pa = aux; 812 bool unsupported_sfp = false; 813 const char *str; 814 char wqname[MAXCOMLEN]; 815 char buf[256]; 816 817 INIT_DEBUGOUT("ixgbe_attach: begin"); 818 819 /* Allocate, clear, and link in our adapter structure */ 820 adapter = device_private(dev); 821 adapter->hw.back = adapter; 822 adapter->dev = dev; 823 hw = &adapter->hw; 824 adapter->osdep.pc = pa->pa_pc; 825 adapter->osdep.tag = pa->pa_tag; 826 if (pci_dma64_available(pa)) 827 adapter->osdep.dmat = pa->pa_dmat64; 828 else 829 adapter->osdep.dmat = pa->pa_dmat; 830 adapter->osdep.attached = false; 831 adapter->osdep.detaching = false; 832 833 ent = ixgbe_lookup(pa); 834 835 KASSERT(ent != NULL); 836 837 aprint_normal(": %s, Version - %s\n", 838 ixgbe_strings[ent->index], ixgbe_driver_version); 839 840 /* Core Lock Init */ 841 IXGBE_CORE_LOCK_INIT(adapter, device_xname(dev)); 842 843 /* Set up the timer callout and workqueue */ 844 callout_init(&adapter->timer, IXGBE_CALLOUT_FLAGS); 845 snprintf(wqname, sizeof(wqname), "%s-timer", device_xname(dev)); 846 error = workqueue_create(&adapter->timer_wq, wqname, 847 ixgbe_handle_timer, adapter, IXGBE_WORKQUEUE_PRI, IPL_NET, 848 IXGBE_TASKLET_WQ_FLAGS); 849 if (error) { 850 aprint_error_dev(dev, 851 "could not create timer workqueue (%d)\n", error); 852 goto err_out; 853 } 854 855 /* Determine hardware revision */ 856 id = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_ID_REG); 857 subid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG); 858 859 hw->vendor_id = PCI_VENDOR(id); 860 hw->device_id = PCI_PRODUCT(id); 861 hw->revision_id = 862 PCI_REVISION(pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_CLASS_REG)); 863 hw->subsystem_vendor_id = PCI_SUBSYS_VENDOR(subid); 864 hw->subsystem_device_id = PCI_SUBSYS_ID(subid); 865 866 /* Set quirk flags */ 867 ixgbe_quirks(adapter); 868 869 /* 870 * Make sure BUSMASTER is set 871 */ 872 ixgbe_pci_enable_busmaster(pa->pa_pc, pa->pa_tag); 873 874 /* Do base PCI setup - map BAR0 */ 875 if (ixgbe_allocate_pci_resources(adapter, pa)) { 876 aprint_error_dev(dev, "Allocation of PCI resources failed\n"); 877 error = ENXIO; 878 goto err_out; 879 } 880 881 /* let hardware know driver is loaded */ 882 ctrl_ext = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT); 883 ctrl_ext |= IXGBE_CTRL_EXT_DRV_LOAD; 884 IXGBE_WRITE_REG(hw, IXGBE_CTRL_EXT, ctrl_ext); 885 886 /* 887 * Initialize the shared code 888 */ 889 if (ixgbe_init_shared_code(hw) != 0) { 890 aprint_error_dev(dev, "Unable to initialize the shared code\n"); 891 error = ENXIO; 892 goto err_out; 893 } 894 895 switch (hw->mac.type) { 896 case ixgbe_mac_82598EB: 897 str = "82598EB"; 898 break; 899 case ixgbe_mac_82599EB: 900 str = "82599EB"; 901 break; 902 case ixgbe_mac_X540: 903 str = "X540"; 904 break; 905 case ixgbe_mac_X550: 906 str = "X550"; 907 break; 908 case ixgbe_mac_X550EM_x: 909 str = "X550EM X"; 910 break; 911 case ixgbe_mac_X550EM_a: 912 str = "X550EM A"; 913 break; 914 default: 915 str = "Unknown"; 916 break; 917 } 918 aprint_normal_dev(dev, "device %s\n", str); 919 920 if (hw->mbx.ops.init_params) 921 hw->mbx.ops.init_params(hw); 922 923 hw->allow_unsupported_sfp = allow_unsupported_sfp; 924 925 /* Pick up the 82599 settings */ 926 if (hw->mac.type != ixgbe_mac_82598EB) { 927 hw->phy.smart_speed = ixgbe_smart_speed; 928 adapter->num_segs = IXGBE_82599_SCATTER; 929 } else 930 adapter->num_segs = IXGBE_82598_SCATTER; 931 932 /* Ensure SW/FW semaphore is free */ 933 ixgbe_init_swfw_semaphore(hw); 934 935 hw->mac.ops.set_lan_id(hw); 936 ixgbe_init_device_features(adapter); 937 938 if (ixgbe_configure_interrupts(adapter)) { 939 error = ENXIO; 940 goto err_out; 941 } 942 943 /* Allocate multicast array memory. */ 944 adapter->mta = malloc(sizeof(*adapter->mta) * 945 MAX_NUM_MULTICAST_ADDRESSES, M_DEVBUF, M_WAITOK); 946 947 /* Enable WoL (if supported) */ 948 ixgbe_check_wol_support(adapter); 949 950 /* Register for VLAN events */ 951 ether_set_vlan_cb(&adapter->osdep.ec, ixgbe_vlan_cb); 952 953 /* Verify adapter fan is still functional (if applicable) */ 954 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) { 955 u32 esdp = IXGBE_READ_REG(hw, IXGBE_ESDP); 956 ixgbe_check_fan_failure(adapter, esdp, FALSE); 957 } 958 959 /* Set an initial default flow control value */ 960 hw->fc.requested_mode = ixgbe_flow_control; 961 962 /* Sysctls for limiting the amount of work done in the taskqueues */ 963 ixgbe_set_sysctl_value(adapter, "rx_processing_limit", 964 "max number of rx packets to process", 965 &adapter->rx_process_limit, ixgbe_rx_process_limit); 966 967 ixgbe_set_sysctl_value(adapter, "tx_processing_limit", 968 "max number of tx packets to process", 969 &adapter->tx_process_limit, ixgbe_tx_process_limit); 970 971 /* Do descriptor calc and sanity checks */ 972 if (((ixgbe_txd * sizeof(union ixgbe_adv_tx_desc)) % DBA_ALIGN) != 0 || 973 ixgbe_txd < MIN_TXD || ixgbe_txd > MAX_TXD) { 974 aprint_error_dev(dev, "TXD config issue, using default!\n"); 975 adapter->num_tx_desc = DEFAULT_TXD; 976 } else 977 adapter->num_tx_desc = ixgbe_txd; 978 979 if (((ixgbe_rxd * sizeof(union ixgbe_adv_rx_desc)) % DBA_ALIGN) != 0 || 980 ixgbe_rxd < MIN_RXD || ixgbe_rxd > MAX_RXD) { 981 aprint_error_dev(dev, "RXD config issue, using default!\n"); 982 adapter->num_rx_desc = DEFAULT_RXD; 983 } else 984 adapter->num_rx_desc = ixgbe_rxd; 985 986 /* Allocate our TX/RX Queues */ 987 if (ixgbe_allocate_queues(adapter)) { 988 error = ENOMEM; 989 goto err_out; 990 } 991 992 hw->phy.reset_if_overtemp = TRUE; 993 error = ixgbe_reset_hw(hw); 994 hw->phy.reset_if_overtemp = FALSE; 995 if (error == IXGBE_ERR_SFP_NOT_PRESENT) 996 error = IXGBE_SUCCESS; 997 else if (error == IXGBE_ERR_SFP_NOT_SUPPORTED) { 998 aprint_error_dev(dev, "Unsupported SFP+ module detected!\n"); 999 unsupported_sfp = true; 1000 error = IXGBE_SUCCESS; 1001 } else if (error) { 1002 aprint_error_dev(dev, "Hardware initialization failed\n"); 1003 error = EIO; 1004 goto err_late; 1005 } 1006 1007 /* Make sure we have a good EEPROM before we read from it */ 1008 if (ixgbe_validate_eeprom_checksum(&adapter->hw, NULL) < 0) { 1009 aprint_error_dev(dev, "The EEPROM Checksum Is Not Valid\n"); 1010 error = EIO; 1011 goto err_late; 1012 } 1013 1014 aprint_normal("%s:", device_xname(dev)); 1015 /* NVM Image Version */ 1016 high = low = 0; 1017 switch (hw->mac.type) { 1018 case ixgbe_mac_X540: 1019 case ixgbe_mac_X550EM_a: 1020 hw->eeprom.ops.read(hw, IXGBE_NVM_IMAGE_VER, &nvmreg); 1021 if (nvmreg == 0xffff) 1022 break; 1023 high = (nvmreg >> 12) & 0x0f; 1024 low = (nvmreg >> 4) & 0xff; 1025 id = nvmreg & 0x0f; 1026 aprint_normal(" NVM Image Version %u.", high); 1027 if (hw->mac.type == ixgbe_mac_X540) 1028 str = "%x"; 1029 else 1030 str = "%02x"; 1031 aprint_normal(str, low); 1032 aprint_normal(" ID 0x%x,", id); 1033 break; 1034 case ixgbe_mac_X550EM_x: 1035 case ixgbe_mac_X550: 1036 hw->eeprom.ops.read(hw, IXGBE_NVM_IMAGE_VER, &nvmreg); 1037 if (nvmreg == 0xffff) 1038 break; 1039 high = (nvmreg >> 12) & 0x0f; 1040 low = nvmreg & 0xff; 1041 aprint_normal(" NVM Image Version %u.%02x,", high, low); 1042 break; 1043 default: 1044 break; 1045 } 1046 hw->eeprom.nvm_image_ver_high = high; 1047 hw->eeprom.nvm_image_ver_low = low; 1048 1049 /* PHY firmware revision */ 1050 switch (hw->mac.type) { 1051 case ixgbe_mac_X540: 1052 case ixgbe_mac_X550: 1053 hw->eeprom.ops.read(hw, IXGBE_PHYFW_REV, &nvmreg); 1054 if (nvmreg == 0xffff) 1055 break; 1056 high = (nvmreg >> 12) & 0x0f; 1057 low = (nvmreg >> 4) & 0xff; 1058 id = nvmreg & 0x000f; 1059 aprint_normal(" PHY FW Revision %u.", high); 1060 if (hw->mac.type == ixgbe_mac_X540) 1061 str = "%x"; 1062 else 1063 str = "%02x"; 1064 aprint_normal(str, low); 1065 aprint_normal(" ID 0x%x,", id); 1066 break; 1067 default: 1068 break; 1069 } 1070 1071 /* NVM Map version & OEM NVM Image version */ 1072 switch (hw->mac.type) { 1073 case ixgbe_mac_X550: 1074 case ixgbe_mac_X550EM_x: 1075 case ixgbe_mac_X550EM_a: 1076 hw->eeprom.ops.read(hw, IXGBE_NVM_MAP_VER, &nvmreg); 1077 if (nvmreg != 0xffff) { 1078 high = (nvmreg >> 12) & 0x0f; 1079 low = nvmreg & 0x00ff; 1080 aprint_normal(" NVM Map version %u.%02x,", high, low); 1081 } 1082 hw->eeprom.ops.read(hw, IXGBE_OEM_NVM_IMAGE_VER, &nvmreg); 1083 if (nvmreg != 0xffff) { 1084 high = (nvmreg >> 12) & 0x0f; 1085 low = nvmreg & 0x00ff; 1086 aprint_verbose(" OEM NVM Image version %u.%02x,", high, 1087 low); 1088 } 1089 break; 1090 default: 1091 break; 1092 } 1093 1094 /* Print the ETrackID */ 1095 hw->eeprom.ops.read(hw, IXGBE_ETRACKID_H, &high); 1096 hw->eeprom.ops.read(hw, IXGBE_ETRACKID_L, &low); 1097 aprint_normal(" ETrackID %08x\n", ((uint32_t)high << 16) | low); 1098 1099 if (adapter->feat_en & IXGBE_FEATURE_MSIX) { 1100 error = ixgbe_allocate_msix(adapter, pa); 1101 if (error) { 1102 /* Free allocated queue structures first */ 1103 ixgbe_free_queues(adapter); 1104 1105 /* Fallback to legacy interrupt */ 1106 adapter->feat_en &= ~IXGBE_FEATURE_MSIX; 1107 if (adapter->feat_cap & IXGBE_FEATURE_MSI) 1108 adapter->feat_en |= IXGBE_FEATURE_MSI; 1109 adapter->num_queues = 1; 1110 1111 /* Allocate our TX/RX Queues again */ 1112 if (ixgbe_allocate_queues(adapter)) { 1113 error = ENOMEM; 1114 goto err_out; 1115 } 1116 } 1117 } 1118 /* Recovery mode */ 1119 switch (adapter->hw.mac.type) { 1120 case ixgbe_mac_X550: 1121 case ixgbe_mac_X550EM_x: 1122 case ixgbe_mac_X550EM_a: 1123 /* >= 2.00 */ 1124 if (hw->eeprom.nvm_image_ver_high >= 2) { 1125 adapter->feat_cap |= IXGBE_FEATURE_RECOVERY_MODE; 1126 adapter->feat_en |= IXGBE_FEATURE_RECOVERY_MODE; 1127 } 1128 break; 1129 default: 1130 break; 1131 } 1132 1133 if ((adapter->feat_en & IXGBE_FEATURE_MSIX) == 0) 1134 error = ixgbe_allocate_legacy(adapter, pa); 1135 if (error) 1136 goto err_late; 1137 1138 /* Tasklets for Link, SFP, Multispeed Fiber and Flow Director */ 1139 snprintf(wqname, sizeof(wqname), "%s-admin", device_xname(dev)); 1140 error = workqueue_create(&adapter->admin_wq, wqname, 1141 ixgbe_handle_admin, adapter, IXGBE_WORKQUEUE_PRI, IPL_NET, 1142 IXGBE_TASKLET_WQ_FLAGS); 1143 if (error) { 1144 aprint_error_dev(dev, 1145 "could not create admin workqueue (%d)\n", error); 1146 goto err_out; 1147 } 1148 1149 error = ixgbe_start_hw(hw); 1150 switch (error) { 1151 case IXGBE_ERR_EEPROM_VERSION: 1152 aprint_error_dev(dev, "This device is a pre-production adapter/" 1153 "LOM. Please be aware there may be issues associated " 1154 "with your hardware.\nIf you are experiencing problems " 1155 "please contact your Intel or hardware representative " 1156 "who provided you with this hardware.\n"); 1157 break; 1158 default: 1159 break; 1160 } 1161 1162 /* Setup OS specific network interface */ 1163 if (ixgbe_setup_interface(dev, adapter) != 0) 1164 goto err_late; 1165 1166 /* 1167 * Print PHY ID only for copper PHY. On device which has SFP(+) cage 1168 * and a module is inserted, phy.id is not MII PHY id but SFF 8024 ID. 1169 */ 1170 if (hw->phy.media_type == ixgbe_media_type_copper) { 1171 uint16_t id1, id2; 1172 int oui, model, rev; 1173 const char *descr; 1174 1175 id1 = hw->phy.id >> 16; 1176 id2 = hw->phy.id & 0xffff; 1177 oui = MII_OUI(id1, id2); 1178 model = MII_MODEL(id2); 1179 rev = MII_REV(id2); 1180 if ((descr = mii_get_descr(oui, model)) != NULL) 1181 aprint_normal_dev(dev, 1182 "PHY: %s (OUI 0x%06x, model 0x%04x), rev. %d\n", 1183 descr, oui, model, rev); 1184 else 1185 aprint_normal_dev(dev, 1186 "PHY OUI 0x%06x, model 0x%04x, rev. %d\n", 1187 oui, model, rev); 1188 } 1189 1190 /* Enable EEE power saving */ 1191 if (adapter->feat_cap & IXGBE_FEATURE_EEE) 1192 hw->mac.ops.setup_eee(hw, 1193 adapter->feat_en & IXGBE_FEATURE_EEE); 1194 1195 /* Enable power to the phy. */ 1196 if (!unsupported_sfp) { 1197 /* Enable the optics for 82599 SFP+ fiber */ 1198 ixgbe_enable_tx_laser(hw); 1199 1200 /* 1201 * XXX Currently, ixgbe_set_phy_power() supports only copper 1202 * PHY, so it's not required to test with !unsupported_sfp. 1203 */ 1204 ixgbe_set_phy_power(hw, TRUE); 1205 } 1206 1207 /* Initialize statistics */ 1208 ixgbe_update_stats_counters(adapter); 1209 1210 /* Check PCIE slot type/speed/width */ 1211 ixgbe_get_slot_info(adapter); 1212 1213 /* 1214 * Do time init and sysctl init here, but 1215 * only on the first port of a bypass adapter. 1216 */ 1217 ixgbe_bypass_init(adapter); 1218 1219 /* Set an initial dmac value */ 1220 adapter->dmac = 0; 1221 /* Set initial advertised speeds (if applicable) */ 1222 adapter->advertise = ixgbe_get_advertise(adapter); 1223 1224 if (adapter->feat_cap & IXGBE_FEATURE_SRIOV) 1225 ixgbe_define_iov_schemas(dev, &error); 1226 1227 /* Add sysctls */ 1228 ixgbe_add_device_sysctls(adapter); 1229 ixgbe_add_hw_stats(adapter); 1230 1231 /* For Netmap */ 1232 adapter->init_locked = ixgbe_init_locked; 1233 adapter->stop_locked = ixgbe_stop_locked; 1234 1235 if (adapter->feat_en & IXGBE_FEATURE_NETMAP) 1236 ixgbe_netmap_attach(adapter); 1237 1238 snprintb(buf, sizeof(buf), IXGBE_FEATURE_FLAGS, adapter->feat_cap); 1239 aprint_verbose_dev(dev, "feature cap %s\n", buf); 1240 snprintb(buf, sizeof(buf), IXGBE_FEATURE_FLAGS, adapter->feat_en); 1241 aprint_verbose_dev(dev, "feature ena %s\n", buf); 1242 1243 if (pmf_device_register(dev, ixgbe_suspend, ixgbe_resume)) 1244 pmf_class_network_register(dev, adapter->ifp); 1245 else 1246 aprint_error_dev(dev, "couldn't establish power handler\n"); 1247 1248 /* Init recovery mode timer and state variable */ 1249 if (adapter->feat_en & IXGBE_FEATURE_RECOVERY_MODE) { 1250 adapter->recovery_mode = 0; 1251 1252 /* Set up the timer callout */ 1253 callout_init(&adapter->recovery_mode_timer, 1254 IXGBE_CALLOUT_FLAGS); 1255 snprintf(wqname, sizeof(wqname), "%s-recovery", 1256 device_xname(dev)); 1257 error = workqueue_create(&adapter->recovery_mode_timer_wq, 1258 wqname, ixgbe_handle_recovery_mode_timer, adapter, 1259 IXGBE_WORKQUEUE_PRI, IPL_NET, IXGBE_TASKLET_WQ_FLAGS); 1260 if (error) { 1261 aprint_error_dev(dev, "could not create " 1262 "recovery_mode_timer workqueue (%d)\n", error); 1263 goto err_out; 1264 } 1265 1266 /* Start the task */ 1267 callout_reset(&adapter->recovery_mode_timer, hz, 1268 ixgbe_recovery_mode_timer, adapter); 1269 } 1270 1271 INIT_DEBUGOUT("ixgbe_attach: end"); 1272 adapter->osdep.attached = true; 1273 1274 return; 1275 1276 err_late: 1277 ixgbe_free_queues(adapter); 1278 err_out: 1279 ctrl_ext = IXGBE_READ_REG(&adapter->hw, IXGBE_CTRL_EXT); 1280 ctrl_ext &= ~IXGBE_CTRL_EXT_DRV_LOAD; 1281 IXGBE_WRITE_REG(&adapter->hw, IXGBE_CTRL_EXT, ctrl_ext); 1282 ixgbe_free_workqueue(adapter); 1283 ixgbe_free_pci_resources(adapter); 1284 if (adapter->mta != NULL) 1285 free(adapter->mta, M_DEVBUF); 1286 IXGBE_CORE_LOCK_DESTROY(adapter); 1287 1288 return; 1289 } /* ixgbe_attach */ 1290 1291 /************************************************************************ 1292 * ixgbe_check_wol_support 1293 * 1294 * Checks whether the adapter's ports are capable of 1295 * Wake On LAN by reading the adapter's NVM. 1296 * 1297 * Sets each port's hw->wol_enabled value depending 1298 * on the value read here. 1299 ************************************************************************/ 1300 static void 1301 ixgbe_check_wol_support(struct adapter *adapter) 1302 { 1303 struct ixgbe_hw *hw = &adapter->hw; 1304 u16 dev_caps = 0; 1305 1306 /* Find out WoL support for port */ 1307 adapter->wol_support = hw->wol_enabled = 0; 1308 ixgbe_get_device_caps(hw, &dev_caps); 1309 if ((dev_caps & IXGBE_DEVICE_CAPS_WOL_PORT0_1) || 1310 ((dev_caps & IXGBE_DEVICE_CAPS_WOL_PORT0) && 1311 hw->bus.func == 0)) 1312 adapter->wol_support = hw->wol_enabled = 1; 1313 1314 /* Save initial wake up filter configuration */ 1315 adapter->wufc = IXGBE_READ_REG(hw, IXGBE_WUFC); 1316 1317 return; 1318 } /* ixgbe_check_wol_support */ 1319 1320 /************************************************************************ 1321 * ixgbe_setup_interface 1322 * 1323 * Setup networking device structure and register an interface. 1324 ************************************************************************/ 1325 static int 1326 ixgbe_setup_interface(device_t dev, struct adapter *adapter) 1327 { 1328 struct ethercom *ec = &adapter->osdep.ec; 1329 struct ifnet *ifp; 1330 int rv; 1331 1332 INIT_DEBUGOUT("ixgbe_setup_interface: begin"); 1333 1334 ifp = adapter->ifp = &ec->ec_if; 1335 strlcpy(ifp->if_xname, device_xname(dev), IFNAMSIZ); 1336 ifp->if_baudrate = IF_Gbps(10); 1337 ifp->if_init = ixgbe_init; 1338 ifp->if_stop = ixgbe_ifstop; 1339 ifp->if_softc = adapter; 1340 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 1341 #ifdef IXGBE_MPSAFE 1342 ifp->if_extflags = IFEF_MPSAFE; 1343 #endif 1344 ifp->if_ioctl = ixgbe_ioctl; 1345 #if __FreeBSD_version >= 1100045 1346 /* TSO parameters */ 1347 ifp->if_hw_tsomax = 65518; 1348 ifp->if_hw_tsomaxsegcount = IXGBE_82599_SCATTER; 1349 ifp->if_hw_tsomaxsegsize = 2048; 1350 #endif 1351 if (adapter->feat_en & IXGBE_FEATURE_LEGACY_TX) { 1352 #if 0 1353 ixgbe_start_locked = ixgbe_legacy_start_locked; 1354 #endif 1355 } else { 1356 ifp->if_transmit = ixgbe_mq_start; 1357 #if 0 1358 ixgbe_start_locked = ixgbe_mq_start_locked; 1359 #endif 1360 } 1361 ifp->if_start = ixgbe_legacy_start; 1362 IFQ_SET_MAXLEN(&ifp->if_snd, adapter->num_tx_desc - 2); 1363 IFQ_SET_READY(&ifp->if_snd); 1364 1365 rv = if_initialize(ifp); 1366 if (rv != 0) { 1367 aprint_error_dev(dev, "if_initialize failed(%d)\n", rv); 1368 return rv; 1369 } 1370 adapter->ipq = if_percpuq_create(&adapter->osdep.ec.ec_if); 1371 ether_ifattach(ifp, adapter->hw.mac.addr); 1372 aprint_normal_dev(dev, "Ethernet address %s\n", 1373 ether_sprintf(adapter->hw.mac.addr)); 1374 /* 1375 * We use per TX queue softint, so if_deferred_start_init() isn't 1376 * used. 1377 */ 1378 ether_set_ifflags_cb(ec, ixgbe_ifflags_cb); 1379 1380 adapter->max_frame_size = ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN; 1381 1382 /* 1383 * Tell the upper layer(s) we support long frames. 1384 */ 1385 ifp->if_hdrlen = sizeof(struct ether_vlan_header); 1386 1387 /* Set capability flags */ 1388 ifp->if_capabilities |= IFCAP_RXCSUM 1389 | IFCAP_TXCSUM 1390 | IFCAP_TSOv4 1391 | IFCAP_TSOv6; 1392 ifp->if_capenable = 0; 1393 1394 ec->ec_capabilities |= ETHERCAP_VLAN_HWTAGGING 1395 | ETHERCAP_VLAN_HWCSUM 1396 | ETHERCAP_JUMBO_MTU 1397 | ETHERCAP_VLAN_MTU; 1398 1399 /* Enable the above capabilities by default */ 1400 ec->ec_capenable = ec->ec_capabilities; 1401 1402 /* 1403 * Don't turn this on by default, if vlans are 1404 * created on another pseudo device (eg. lagg) 1405 * then vlan events are not passed thru, breaking 1406 * operation, but with HW FILTER off it works. If 1407 * using vlans directly on the ixgbe driver you can 1408 * enable this and get full hardware tag filtering. 1409 */ 1410 ec->ec_capabilities |= ETHERCAP_VLAN_HWFILTER; 1411 1412 /* 1413 * Specify the media types supported by this adapter and register 1414 * callbacks to update media and link information 1415 */ 1416 ec->ec_ifmedia = &adapter->media; 1417 ifmedia_init_with_lock(&adapter->media, IFM_IMASK, ixgbe_media_change, 1418 ixgbe_media_status, &adapter->core_mtx); 1419 1420 adapter->phy_layer = ixgbe_get_supported_physical_layer(&adapter->hw); 1421 ixgbe_add_media_types(adapter); 1422 1423 /* Set autoselect media by default */ 1424 ifmedia_set(&adapter->media, IFM_ETHER | IFM_AUTO); 1425 1426 if_register(ifp); 1427 1428 return (0); 1429 } /* ixgbe_setup_interface */ 1430 1431 /************************************************************************ 1432 * ixgbe_add_media_types 1433 ************************************************************************/ 1434 static void 1435 ixgbe_add_media_types(struct adapter *adapter) 1436 { 1437 struct ixgbe_hw *hw = &adapter->hw; 1438 u64 layer; 1439 1440 layer = adapter->phy_layer; 1441 1442 #define ADD(mm, dd) \ 1443 ifmedia_add(&adapter->media, IFM_ETHER | (mm), (dd), NULL); 1444 1445 ADD(IFM_NONE, 0); 1446 1447 /* Media types with matching NetBSD media defines */ 1448 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_T) { 1449 ADD(IFM_10G_T | IFM_FDX, 0); 1450 } 1451 if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_T) { 1452 ADD(IFM_1000_T | IFM_FDX, 0); 1453 } 1454 if (layer & IXGBE_PHYSICAL_LAYER_100BASE_TX) { 1455 ADD(IFM_100_TX | IFM_FDX, 0); 1456 } 1457 if (layer & IXGBE_PHYSICAL_LAYER_10BASE_T) { 1458 ADD(IFM_10_T | IFM_FDX, 0); 1459 } 1460 1461 if (layer & IXGBE_PHYSICAL_LAYER_SFP_PLUS_CU || 1462 layer & IXGBE_PHYSICAL_LAYER_SFP_ACTIVE_DA) { 1463 ADD(IFM_10G_TWINAX | IFM_FDX, 0); 1464 } 1465 1466 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_LR) { 1467 ADD(IFM_10G_LR | IFM_FDX, 0); 1468 if (hw->phy.multispeed_fiber) { 1469 ADD(IFM_1000_LX | IFM_FDX, 0); 1470 } 1471 } 1472 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_SR) { 1473 ADD(IFM_10G_SR | IFM_FDX, 0); 1474 if (hw->phy.multispeed_fiber) { 1475 ADD(IFM_1000_SX | IFM_FDX, 0); 1476 } 1477 } else if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_SX) { 1478 ADD(IFM_1000_SX | IFM_FDX, 0); 1479 } 1480 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_CX4) { 1481 ADD(IFM_10G_CX4 | IFM_FDX, 0); 1482 } 1483 1484 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KR) { 1485 ADD(IFM_10G_KR | IFM_FDX, 0); 1486 } 1487 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KX4) { 1488 ADD(IFM_10G_KX4 | IFM_FDX, 0); 1489 } 1490 if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_KX) { 1491 ADD(IFM_1000_KX | IFM_FDX, 0); 1492 } 1493 if (layer & IXGBE_PHYSICAL_LAYER_2500BASE_KX) { 1494 ADD(IFM_2500_KX | IFM_FDX, 0); 1495 } 1496 if (layer & IXGBE_PHYSICAL_LAYER_2500BASE_T) { 1497 ADD(IFM_2500_T | IFM_FDX, 0); 1498 } 1499 if (layer & IXGBE_PHYSICAL_LAYER_5GBASE_T) { 1500 ADD(IFM_5000_T | IFM_FDX, 0); 1501 } 1502 if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_BX) 1503 ADD(IFM_1000_BX10 | IFM_FDX, 0); 1504 /* XXX no ifmedia_set? */ 1505 1506 ADD(IFM_AUTO, 0); 1507 1508 #undef ADD 1509 } /* ixgbe_add_media_types */ 1510 1511 /************************************************************************ 1512 * ixgbe_is_sfp 1513 ************************************************************************/ 1514 static inline bool 1515 ixgbe_is_sfp(struct ixgbe_hw *hw) 1516 { 1517 switch (hw->mac.type) { 1518 case ixgbe_mac_82598EB: 1519 if (hw->phy.type == ixgbe_phy_nl) 1520 return (TRUE); 1521 return (FALSE); 1522 case ixgbe_mac_82599EB: 1523 case ixgbe_mac_X550EM_x: 1524 case ixgbe_mac_X550EM_a: 1525 switch (hw->mac.ops.get_media_type(hw)) { 1526 case ixgbe_media_type_fiber: 1527 case ixgbe_media_type_fiber_qsfp: 1528 return (TRUE); 1529 default: 1530 return (FALSE); 1531 } 1532 default: 1533 return (FALSE); 1534 } 1535 } /* ixgbe_is_sfp */ 1536 1537 static void 1538 ixgbe_schedule_admin_tasklet(struct adapter *adapter) 1539 { 1540 1541 if (__predict_false(adapter->osdep.detaching == false)) { 1542 if (atomic_cas_uint(&adapter->admin_pending, 0, 1) == 0) 1543 workqueue_enqueue(adapter->admin_wq, 1544 &adapter->admin_wc, NULL); 1545 } 1546 } 1547 1548 /************************************************************************ 1549 * ixgbe_config_link 1550 ************************************************************************/ 1551 static void 1552 ixgbe_config_link(struct adapter *adapter) 1553 { 1554 struct ixgbe_hw *hw = &adapter->hw; 1555 u32 autoneg, err = 0; 1556 u32 task_requests = 0; 1557 bool sfp, negotiate = false; 1558 1559 sfp = ixgbe_is_sfp(hw); 1560 1561 if (sfp) { 1562 if (hw->phy.multispeed_fiber) { 1563 ixgbe_enable_tx_laser(hw); 1564 task_requests |= IXGBE_REQUEST_TASK_MSF; 1565 } 1566 task_requests |= IXGBE_REQUEST_TASK_MOD; 1567 atomic_or_32(&adapter->task_requests, task_requests); 1568 ixgbe_schedule_admin_tasklet(adapter); 1569 } else { 1570 struct ifmedia *ifm = &adapter->media; 1571 1572 if (hw->mac.ops.check_link) 1573 err = ixgbe_check_link(hw, &adapter->link_speed, 1574 &adapter->link_up, FALSE); 1575 if (err) 1576 return; 1577 1578 /* 1579 * Check if it's the first call. If it's the first call, 1580 * get value for auto negotiation. 1581 */ 1582 autoneg = hw->phy.autoneg_advertised; 1583 if ((IFM_SUBTYPE(ifm->ifm_cur->ifm_media) != IFM_NONE) 1584 && ((!autoneg) && (hw->mac.ops.get_link_capabilities))) 1585 err = hw->mac.ops.get_link_capabilities(hw, &autoneg, 1586 &negotiate); 1587 if (err) 1588 return; 1589 if (hw->mac.ops.setup_link) 1590 err = hw->mac.ops.setup_link(hw, autoneg, 1591 adapter->link_up); 1592 } 1593 1594 } /* ixgbe_config_link */ 1595 1596 /************************************************************************ 1597 * ixgbe_update_stats_counters - Update board statistics counters. 1598 ************************************************************************/ 1599 static void 1600 ixgbe_update_stats_counters(struct adapter *adapter) 1601 { 1602 struct ifnet *ifp = adapter->ifp; 1603 struct ixgbe_hw *hw = &adapter->hw; 1604 struct ixgbe_hw_stats *stats = &adapter->stats.pf; 1605 u32 missed_rx = 0, bprc, lxon, lxoff, total; 1606 u64 total_missed_rx = 0; 1607 uint64_t crcerrs, rlec; 1608 unsigned int queue_counters; 1609 int i; 1610 1611 crcerrs = IXGBE_READ_REG(hw, IXGBE_CRCERRS); 1612 stats->crcerrs.ev_count += crcerrs; 1613 stats->illerrc.ev_count += IXGBE_READ_REG(hw, IXGBE_ILLERRC); 1614 stats->errbc.ev_count += IXGBE_READ_REG(hw, IXGBE_ERRBC); 1615 stats->mspdc.ev_count += IXGBE_READ_REG(hw, IXGBE_MSPDC); 1616 if (hw->mac.type >= ixgbe_mac_X550) 1617 stats->mbsdc.ev_count += IXGBE_READ_REG(hw, IXGBE_MBSDC); 1618 1619 /* 16 registers exist */ 1620 queue_counters = uimin(__arraycount(stats->qprc), adapter->num_queues); 1621 for (i = 0; i < queue_counters; i++) { 1622 stats->qprc[i].ev_count += IXGBE_READ_REG(hw, IXGBE_QPRC(i)); 1623 stats->qptc[i].ev_count += IXGBE_READ_REG(hw, IXGBE_QPTC(i)); 1624 if (hw->mac.type >= ixgbe_mac_82599EB) { 1625 stats->qprdc[i].ev_count 1626 += IXGBE_READ_REG(hw, IXGBE_QPRDC(i)); 1627 } 1628 } 1629 1630 /* 8 registers exist */ 1631 for (i = 0; i < IXGBE_TC_COUNTER_NUM; i++) { 1632 uint32_t mp; 1633 1634 /* MPC */ 1635 mp = IXGBE_READ_REG(hw, IXGBE_MPC(i)); 1636 /* global total per queue */ 1637 stats->mpc[i].ev_count += mp; 1638 /* running comprehensive total for stats display */ 1639 total_missed_rx += mp; 1640 1641 if (hw->mac.type == ixgbe_mac_82598EB) 1642 stats->rnbc[i].ev_count 1643 += IXGBE_READ_REG(hw, IXGBE_RNBC(i)); 1644 1645 stats->pxontxc[i].ev_count 1646 += IXGBE_READ_REG(hw, IXGBE_PXONTXC(i)); 1647 stats->pxofftxc[i].ev_count 1648 += IXGBE_READ_REG(hw, IXGBE_PXOFFTXC(i)); 1649 if (hw->mac.type >= ixgbe_mac_82599EB) { 1650 stats->pxonrxc[i].ev_count 1651 += IXGBE_READ_REG(hw, IXGBE_PXONRXCNT(i)); 1652 stats->pxoffrxc[i].ev_count 1653 += IXGBE_READ_REG(hw, IXGBE_PXOFFRXCNT(i)); 1654 stats->pxon2offc[i].ev_count 1655 += IXGBE_READ_REG(hw, IXGBE_PXON2OFFCNT(i)); 1656 } else { 1657 stats->pxonrxc[i].ev_count 1658 += IXGBE_READ_REG(hw, IXGBE_PXONRXC(i)); 1659 stats->pxoffrxc[i].ev_count 1660 += IXGBE_READ_REG(hw, IXGBE_PXOFFRXC(i)); 1661 } 1662 } 1663 stats->mpctotal.ev_count += total_missed_rx; 1664 1665 /* Document says M[LR]FC are valid when link is up and 10Gbps */ 1666 if ((adapter->link_active == LINK_STATE_UP) 1667 && (adapter->link_speed == IXGBE_LINK_SPEED_10GB_FULL)) { 1668 stats->mlfc.ev_count += IXGBE_READ_REG(hw, IXGBE_MLFC); 1669 stats->mrfc.ev_count += IXGBE_READ_REG(hw, IXGBE_MRFC); 1670 } 1671 rlec = IXGBE_READ_REG(hw, IXGBE_RLEC); 1672 stats->rlec.ev_count += rlec; 1673 1674 /* Hardware workaround, gprc counts missed packets */ 1675 stats->gprc.ev_count += IXGBE_READ_REG(hw, IXGBE_GPRC) - missed_rx; 1676 1677 lxon = IXGBE_READ_REG(hw, IXGBE_LXONTXC); 1678 stats->lxontxc.ev_count += lxon; 1679 lxoff = IXGBE_READ_REG(hw, IXGBE_LXOFFTXC); 1680 stats->lxofftxc.ev_count += lxoff; 1681 total = lxon + lxoff; 1682 1683 if (hw->mac.type != ixgbe_mac_82598EB) { 1684 stats->gorc.ev_count += IXGBE_READ_REG(hw, IXGBE_GORCL) + 1685 ((u64)IXGBE_READ_REG(hw, IXGBE_GORCH) << 32); 1686 stats->gotc.ev_count += IXGBE_READ_REG(hw, IXGBE_GOTCL) + 1687 ((u64)IXGBE_READ_REG(hw, IXGBE_GOTCH) << 32) - total * ETHER_MIN_LEN; 1688 stats->tor.ev_count += IXGBE_READ_REG(hw, IXGBE_TORL) + 1689 ((u64)IXGBE_READ_REG(hw, IXGBE_TORH) << 32); 1690 stats->lxonrxc.ev_count += IXGBE_READ_REG(hw, IXGBE_LXONRXCNT); 1691 stats->lxoffrxc.ev_count += IXGBE_READ_REG(hw, IXGBE_LXOFFRXCNT); 1692 } else { 1693 stats->lxonrxc.ev_count += IXGBE_READ_REG(hw, IXGBE_LXONRXC); 1694 stats->lxoffrxc.ev_count += IXGBE_READ_REG(hw, IXGBE_LXOFFRXC); 1695 /* 82598 only has a counter in the high register */ 1696 stats->gorc.ev_count += IXGBE_READ_REG(hw, IXGBE_GORCH); 1697 stats->gotc.ev_count += IXGBE_READ_REG(hw, IXGBE_GOTCH) - total * ETHER_MIN_LEN; 1698 stats->tor.ev_count += IXGBE_READ_REG(hw, IXGBE_TORH); 1699 } 1700 1701 /* 1702 * Workaround: mprc hardware is incorrectly counting 1703 * broadcasts, so for now we subtract those. 1704 */ 1705 bprc = IXGBE_READ_REG(hw, IXGBE_BPRC); 1706 stats->bprc.ev_count += bprc; 1707 stats->mprc.ev_count += IXGBE_READ_REG(hw, IXGBE_MPRC) 1708 - ((hw->mac.type == ixgbe_mac_82598EB) ? bprc : 0); 1709 1710 stats->prc64.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC64); 1711 stats->prc127.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC127); 1712 stats->prc255.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC255); 1713 stats->prc511.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC511); 1714 stats->prc1023.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC1023); 1715 stats->prc1522.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC1522); 1716 1717 stats->gptc.ev_count += IXGBE_READ_REG(hw, IXGBE_GPTC) - total; 1718 stats->mptc.ev_count += IXGBE_READ_REG(hw, IXGBE_MPTC) - total; 1719 stats->ptc64.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC64) - total; 1720 1721 stats->ruc.ev_count += IXGBE_READ_REG(hw, IXGBE_RUC); 1722 stats->rfc.ev_count += IXGBE_READ_REG(hw, IXGBE_RFC); 1723 stats->roc.ev_count += IXGBE_READ_REG(hw, IXGBE_ROC); 1724 stats->rjc.ev_count += IXGBE_READ_REG(hw, IXGBE_RJC); 1725 stats->mngprc.ev_count += IXGBE_READ_REG(hw, IXGBE_MNGPRC); 1726 stats->mngpdc.ev_count += IXGBE_READ_REG(hw, IXGBE_MNGPDC); 1727 stats->mngptc.ev_count += IXGBE_READ_REG(hw, IXGBE_MNGPTC); 1728 stats->tpr.ev_count += IXGBE_READ_REG(hw, IXGBE_TPR); 1729 stats->tpt.ev_count += IXGBE_READ_REG(hw, IXGBE_TPT); 1730 stats->ptc127.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC127); 1731 stats->ptc255.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC255); 1732 stats->ptc511.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC511); 1733 stats->ptc1023.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC1023); 1734 stats->ptc1522.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC1522); 1735 stats->bptc.ev_count += IXGBE_READ_REG(hw, IXGBE_BPTC); 1736 stats->xec.ev_count += IXGBE_READ_REG(hw, IXGBE_XEC); 1737 stats->fccrc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCCRC); 1738 stats->fclast.ev_count += IXGBE_READ_REG(hw, IXGBE_FCLAST); 1739 /* Only read FCOE on 82599 */ 1740 if (hw->mac.type != ixgbe_mac_82598EB) { 1741 stats->fcoerpdc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOERPDC); 1742 stats->fcoeprc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOEPRC); 1743 stats->fcoeptc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOEPTC); 1744 stats->fcoedwrc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOEDWRC); 1745 stats->fcoedwtc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOEDWTC); 1746 } 1747 1748 /* 1749 * Fill out the OS statistics structure. Only RX errors are required 1750 * here because all TX counters are incremented in the TX path and 1751 * normal RX counters are prepared in ether_input(). 1752 */ 1753 net_stat_ref_t nsr = IF_STAT_GETREF(ifp); 1754 if_statadd_ref(nsr, if_iqdrops, total_missed_rx); 1755 if_statadd_ref(nsr, if_ierrors, crcerrs + rlec); 1756 IF_STAT_PUTREF(ifp); 1757 } /* ixgbe_update_stats_counters */ 1758 1759 /************************************************************************ 1760 * ixgbe_add_hw_stats 1761 * 1762 * Add sysctl variables, one per statistic, to the system. 1763 ************************************************************************/ 1764 static void 1765 ixgbe_add_hw_stats(struct adapter *adapter) 1766 { 1767 device_t dev = adapter->dev; 1768 const struct sysctlnode *rnode, *cnode; 1769 struct sysctllog **log = &adapter->sysctllog; 1770 struct tx_ring *txr = adapter->tx_rings; 1771 struct rx_ring *rxr = adapter->rx_rings; 1772 struct ixgbe_hw *hw = &adapter->hw; 1773 struct ixgbe_hw_stats *stats = &adapter->stats.pf; 1774 const char *xname = device_xname(dev); 1775 int i; 1776 1777 /* Driver Statistics */ 1778 evcnt_attach_dynamic(&adapter->efbig_tx_dma_setup, EVCNT_TYPE_MISC, 1779 NULL, xname, "Driver tx dma soft fail EFBIG"); 1780 evcnt_attach_dynamic(&adapter->mbuf_defrag_failed, EVCNT_TYPE_MISC, 1781 NULL, xname, "m_defrag() failed"); 1782 evcnt_attach_dynamic(&adapter->efbig2_tx_dma_setup, EVCNT_TYPE_MISC, 1783 NULL, xname, "Driver tx dma hard fail EFBIG"); 1784 evcnt_attach_dynamic(&adapter->einval_tx_dma_setup, EVCNT_TYPE_MISC, 1785 NULL, xname, "Driver tx dma hard fail EINVAL"); 1786 evcnt_attach_dynamic(&adapter->other_tx_dma_setup, EVCNT_TYPE_MISC, 1787 NULL, xname, "Driver tx dma hard fail other"); 1788 evcnt_attach_dynamic(&adapter->eagain_tx_dma_setup, EVCNT_TYPE_MISC, 1789 NULL, xname, "Driver tx dma soft fail EAGAIN"); 1790 evcnt_attach_dynamic(&adapter->enomem_tx_dma_setup, EVCNT_TYPE_MISC, 1791 NULL, xname, "Driver tx dma soft fail ENOMEM"); 1792 evcnt_attach_dynamic(&adapter->watchdog_events, EVCNT_TYPE_MISC, 1793 NULL, xname, "Watchdog timeouts"); 1794 evcnt_attach_dynamic(&adapter->tso_err, EVCNT_TYPE_MISC, 1795 NULL, xname, "TSO errors"); 1796 evcnt_attach_dynamic(&adapter->admin_irqev, EVCNT_TYPE_INTR, 1797 NULL, xname, "Admin MSI-X IRQ Handled"); 1798 evcnt_attach_dynamic(&adapter->link_workev, EVCNT_TYPE_INTR, 1799 NULL, xname, "Link event"); 1800 evcnt_attach_dynamic(&adapter->mod_workev, EVCNT_TYPE_INTR, 1801 NULL, xname, "SFP+ module event"); 1802 evcnt_attach_dynamic(&adapter->msf_workev, EVCNT_TYPE_INTR, 1803 NULL, xname, "Multispeed event"); 1804 evcnt_attach_dynamic(&adapter->phy_workev, EVCNT_TYPE_INTR, 1805 NULL, xname, "External PHY event"); 1806 1807 /* Max number of traffic class is 8 */ 1808 KASSERT(IXGBE_DCB_MAX_TRAFFIC_CLASS == 8); 1809 for (i = 0; i < IXGBE_TC_COUNTER_NUM; i++) { 1810 snprintf(adapter->tcs[i].evnamebuf, 1811 sizeof(adapter->tcs[i].evnamebuf), "%s tc%d", 1812 xname, i); 1813 if (i < __arraycount(stats->mpc)) { 1814 evcnt_attach_dynamic(&stats->mpc[i], 1815 EVCNT_TYPE_MISC, NULL, adapter->tcs[i].evnamebuf, 1816 "RX Missed Packet Count"); 1817 if (hw->mac.type == ixgbe_mac_82598EB) 1818 evcnt_attach_dynamic(&stats->rnbc[i], 1819 EVCNT_TYPE_MISC, NULL, 1820 adapter->tcs[i].evnamebuf, 1821 "Receive No Buffers"); 1822 } 1823 if (i < __arraycount(stats->pxontxc)) { 1824 evcnt_attach_dynamic(&stats->pxontxc[i], 1825 EVCNT_TYPE_MISC, NULL, adapter->tcs[i].evnamebuf, 1826 "pxontxc"); 1827 evcnt_attach_dynamic(&stats->pxonrxc[i], 1828 EVCNT_TYPE_MISC, NULL, adapter->tcs[i].evnamebuf, 1829 "pxonrxc"); 1830 evcnt_attach_dynamic(&stats->pxofftxc[i], 1831 EVCNT_TYPE_MISC, NULL, adapter->tcs[i].evnamebuf, 1832 "pxofftxc"); 1833 evcnt_attach_dynamic(&stats->pxoffrxc[i], 1834 EVCNT_TYPE_MISC, NULL, adapter->tcs[i].evnamebuf, 1835 "pxoffrxc"); 1836 if (hw->mac.type >= ixgbe_mac_82599EB) 1837 evcnt_attach_dynamic(&stats->pxon2offc[i], 1838 EVCNT_TYPE_MISC, NULL, 1839 adapter->tcs[i].evnamebuf, 1840 "pxon2offc"); 1841 } 1842 } 1843 1844 for (i = 0; i < adapter->num_queues; i++, rxr++, txr++) { 1845 #ifdef LRO 1846 struct lro_ctrl *lro = &rxr->lro; 1847 #endif /* LRO */ 1848 1849 snprintf(adapter->queues[i].evnamebuf, 1850 sizeof(adapter->queues[i].evnamebuf), "%s q%d", 1851 xname, i); 1852 snprintf(adapter->queues[i].namebuf, 1853 sizeof(adapter->queues[i].namebuf), "q%d", i); 1854 1855 if ((rnode = ixgbe_sysctl_instance(adapter)) == NULL) { 1856 aprint_error_dev(dev, "could not create sysctl root\n"); 1857 break; 1858 } 1859 1860 if (sysctl_createv(log, 0, &rnode, &rnode, 1861 0, CTLTYPE_NODE, 1862 adapter->queues[i].namebuf, SYSCTL_DESCR("Queue Name"), 1863 NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL) != 0) 1864 break; 1865 1866 if (sysctl_createv(log, 0, &rnode, &cnode, 1867 CTLFLAG_READWRITE, CTLTYPE_INT, 1868 "interrupt_rate", SYSCTL_DESCR("Interrupt Rate"), 1869 ixgbe_sysctl_interrupt_rate_handler, 0, 1870 (void *)&adapter->queues[i], 0, CTL_CREATE, CTL_EOL) != 0) 1871 break; 1872 1873 if (sysctl_createv(log, 0, &rnode, &cnode, 1874 CTLFLAG_READONLY, CTLTYPE_INT, 1875 "txd_head", SYSCTL_DESCR("Transmit Descriptor Head"), 1876 ixgbe_sysctl_tdh_handler, 0, (void *)txr, 1877 0, CTL_CREATE, CTL_EOL) != 0) 1878 break; 1879 1880 if (sysctl_createv(log, 0, &rnode, &cnode, 1881 CTLFLAG_READONLY, CTLTYPE_INT, 1882 "txd_tail", SYSCTL_DESCR("Transmit Descriptor Tail"), 1883 ixgbe_sysctl_tdt_handler, 0, (void *)txr, 1884 0, CTL_CREATE, CTL_EOL) != 0) 1885 break; 1886 1887 evcnt_attach_dynamic(&adapter->queues[i].irqs, EVCNT_TYPE_INTR, 1888 NULL, adapter->queues[i].evnamebuf, "IRQs on queue"); 1889 evcnt_attach_dynamic(&adapter->queues[i].handleq, 1890 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1891 "Handled queue in softint"); 1892 evcnt_attach_dynamic(&adapter->queues[i].req, EVCNT_TYPE_MISC, 1893 NULL, adapter->queues[i].evnamebuf, "Requeued in softint"); 1894 evcnt_attach_dynamic(&txr->tso_tx, EVCNT_TYPE_MISC, 1895 NULL, adapter->queues[i].evnamebuf, "TSO"); 1896 evcnt_attach_dynamic(&txr->no_desc_avail, EVCNT_TYPE_MISC, 1897 NULL, adapter->queues[i].evnamebuf, 1898 "Queue No Descriptor Available"); 1899 evcnt_attach_dynamic(&txr->total_packets, EVCNT_TYPE_MISC, 1900 NULL, adapter->queues[i].evnamebuf, 1901 "Queue Packets Transmitted"); 1902 #ifndef IXGBE_LEGACY_TX 1903 evcnt_attach_dynamic(&txr->pcq_drops, EVCNT_TYPE_MISC, 1904 NULL, adapter->queues[i].evnamebuf, 1905 "Packets dropped in pcq"); 1906 #endif 1907 1908 if (sysctl_createv(log, 0, &rnode, &cnode, 1909 CTLFLAG_READONLY, 1910 CTLTYPE_INT, 1911 "rxd_nxck", SYSCTL_DESCR("Receive Descriptor next to check"), 1912 ixgbe_sysctl_next_to_check_handler, 0, (void *)rxr, 0, 1913 CTL_CREATE, CTL_EOL) != 0) 1914 break; 1915 1916 if (sysctl_createv(log, 0, &rnode, &cnode, 1917 CTLFLAG_READONLY, 1918 CTLTYPE_INT, 1919 "rxd_head", SYSCTL_DESCR("Receive Descriptor Head"), 1920 ixgbe_sysctl_rdh_handler, 0, (void *)rxr, 0, 1921 CTL_CREATE, CTL_EOL) != 0) 1922 break; 1923 1924 if (sysctl_createv(log, 0, &rnode, &cnode, 1925 CTLFLAG_READONLY, 1926 CTLTYPE_INT, 1927 "rxd_tail", SYSCTL_DESCR("Receive Descriptor Tail"), 1928 ixgbe_sysctl_rdt_handler, 0, (void *)rxr, 0, 1929 CTL_CREATE, CTL_EOL) != 0) 1930 break; 1931 1932 if (i < __arraycount(stats->qprc)) { 1933 evcnt_attach_dynamic(&stats->qprc[i], 1934 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1935 "qprc"); 1936 evcnt_attach_dynamic(&stats->qptc[i], 1937 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1938 "qptc"); 1939 evcnt_attach_dynamic(&stats->qbrc[i], 1940 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1941 "qbrc"); 1942 evcnt_attach_dynamic(&stats->qbtc[i], 1943 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1944 "qbtc"); 1945 if (hw->mac.type >= ixgbe_mac_82599EB) 1946 evcnt_attach_dynamic(&stats->qprdc[i], 1947 EVCNT_TYPE_MISC, NULL, 1948 adapter->queues[i].evnamebuf, "qprdc"); 1949 } 1950 1951 evcnt_attach_dynamic(&rxr->rx_packets, EVCNT_TYPE_MISC, 1952 NULL, adapter->queues[i].evnamebuf, "Queue Packets Received"); 1953 evcnt_attach_dynamic(&rxr->rx_bytes, EVCNT_TYPE_MISC, 1954 NULL, adapter->queues[i].evnamebuf, "Queue Bytes Received"); 1955 evcnt_attach_dynamic(&rxr->rx_copies, EVCNT_TYPE_MISC, 1956 NULL, adapter->queues[i].evnamebuf, "Copied RX Frames"); 1957 evcnt_attach_dynamic(&rxr->no_jmbuf, EVCNT_TYPE_MISC, 1958 NULL, adapter->queues[i].evnamebuf, "Rx no jumbo mbuf"); 1959 evcnt_attach_dynamic(&rxr->rx_discarded, EVCNT_TYPE_MISC, 1960 NULL, adapter->queues[i].evnamebuf, "Rx discarded"); 1961 #ifdef LRO 1962 SYSCTL_ADD_INT(ctx, queue_list, OID_AUTO, "lro_queued", 1963 CTLFLAG_RD, &lro->lro_queued, 0, 1964 "LRO Queued"); 1965 SYSCTL_ADD_INT(ctx, queue_list, OID_AUTO, "lro_flushed", 1966 CTLFLAG_RD, &lro->lro_flushed, 0, 1967 "LRO Flushed"); 1968 #endif /* LRO */ 1969 } 1970 1971 /* MAC stats get their own sub node */ 1972 1973 snprintf(stats->namebuf, 1974 sizeof(stats->namebuf), "%s MAC Statistics", xname); 1975 1976 evcnt_attach_dynamic(&stats->ipcs, EVCNT_TYPE_MISC, NULL, 1977 stats->namebuf, "rx csum offload - IP"); 1978 evcnt_attach_dynamic(&stats->l4cs, EVCNT_TYPE_MISC, NULL, 1979 stats->namebuf, "rx csum offload - L4"); 1980 evcnt_attach_dynamic(&stats->ipcs_bad, EVCNT_TYPE_MISC, NULL, 1981 stats->namebuf, "rx csum offload - IP bad"); 1982 evcnt_attach_dynamic(&stats->l4cs_bad, EVCNT_TYPE_MISC, NULL, 1983 stats->namebuf, "rx csum offload - L4 bad"); 1984 evcnt_attach_dynamic(&stats->intzero, EVCNT_TYPE_MISC, NULL, 1985 stats->namebuf, "Interrupt conditions zero"); 1986 evcnt_attach_dynamic(&stats->legint, EVCNT_TYPE_MISC, NULL, 1987 stats->namebuf, "Legacy interrupts"); 1988 1989 evcnt_attach_dynamic(&stats->crcerrs, EVCNT_TYPE_MISC, NULL, 1990 stats->namebuf, "CRC Errors"); 1991 evcnt_attach_dynamic(&stats->illerrc, EVCNT_TYPE_MISC, NULL, 1992 stats->namebuf, "Illegal Byte Errors"); 1993 evcnt_attach_dynamic(&stats->errbc, EVCNT_TYPE_MISC, NULL, 1994 stats->namebuf, "Byte Errors"); 1995 evcnt_attach_dynamic(&stats->mspdc, EVCNT_TYPE_MISC, NULL, 1996 stats->namebuf, "MAC Short Packets Discarded"); 1997 if (hw->mac.type >= ixgbe_mac_X550) 1998 evcnt_attach_dynamic(&stats->mbsdc, EVCNT_TYPE_MISC, NULL, 1999 stats->namebuf, "Bad SFD"); 2000 evcnt_attach_dynamic(&stats->mpctotal, EVCNT_TYPE_MISC, NULL, 2001 stats->namebuf, "Total Packets Missed"); 2002 evcnt_attach_dynamic(&stats->mlfc, EVCNT_TYPE_MISC, NULL, 2003 stats->namebuf, "MAC Local Faults"); 2004 evcnt_attach_dynamic(&stats->mrfc, EVCNT_TYPE_MISC, NULL, 2005 stats->namebuf, "MAC Remote Faults"); 2006 evcnt_attach_dynamic(&stats->rlec, EVCNT_TYPE_MISC, NULL, 2007 stats->namebuf, "Receive Length Errors"); 2008 evcnt_attach_dynamic(&stats->lxontxc, EVCNT_TYPE_MISC, NULL, 2009 stats->namebuf, "Link XON Transmitted"); 2010 evcnt_attach_dynamic(&stats->lxonrxc, EVCNT_TYPE_MISC, NULL, 2011 stats->namebuf, "Link XON Received"); 2012 evcnt_attach_dynamic(&stats->lxofftxc, EVCNT_TYPE_MISC, NULL, 2013 stats->namebuf, "Link XOFF Transmitted"); 2014 evcnt_attach_dynamic(&stats->lxoffrxc, EVCNT_TYPE_MISC, NULL, 2015 stats->namebuf, "Link XOFF Received"); 2016 2017 /* Packet Reception Stats */ 2018 evcnt_attach_dynamic(&stats->tor, EVCNT_TYPE_MISC, NULL, 2019 stats->namebuf, "Total Octets Received"); 2020 evcnt_attach_dynamic(&stats->gorc, EVCNT_TYPE_MISC, NULL, 2021 stats->namebuf, "Good Octets Received"); 2022 evcnt_attach_dynamic(&stats->tpr, EVCNT_TYPE_MISC, NULL, 2023 stats->namebuf, "Total Packets Received"); 2024 evcnt_attach_dynamic(&stats->gprc, EVCNT_TYPE_MISC, NULL, 2025 stats->namebuf, "Good Packets Received"); 2026 evcnt_attach_dynamic(&stats->mprc, EVCNT_TYPE_MISC, NULL, 2027 stats->namebuf, "Multicast Packets Received"); 2028 evcnt_attach_dynamic(&stats->bprc, EVCNT_TYPE_MISC, NULL, 2029 stats->namebuf, "Broadcast Packets Received"); 2030 evcnt_attach_dynamic(&stats->prc64, EVCNT_TYPE_MISC, NULL, 2031 stats->namebuf, "64 byte frames received "); 2032 evcnt_attach_dynamic(&stats->prc127, EVCNT_TYPE_MISC, NULL, 2033 stats->namebuf, "65-127 byte frames received"); 2034 evcnt_attach_dynamic(&stats->prc255, EVCNT_TYPE_MISC, NULL, 2035 stats->namebuf, "128-255 byte frames received"); 2036 evcnt_attach_dynamic(&stats->prc511, EVCNT_TYPE_MISC, NULL, 2037 stats->namebuf, "256-511 byte frames received"); 2038 evcnt_attach_dynamic(&stats->prc1023, EVCNT_TYPE_MISC, NULL, 2039 stats->namebuf, "512-1023 byte frames received"); 2040 evcnt_attach_dynamic(&stats->prc1522, EVCNT_TYPE_MISC, NULL, 2041 stats->namebuf, "1023-1522 byte frames received"); 2042 evcnt_attach_dynamic(&stats->ruc, EVCNT_TYPE_MISC, NULL, 2043 stats->namebuf, "Receive Undersized"); 2044 evcnt_attach_dynamic(&stats->rfc, EVCNT_TYPE_MISC, NULL, 2045 stats->namebuf, "Fragmented Packets Received "); 2046 evcnt_attach_dynamic(&stats->roc, EVCNT_TYPE_MISC, NULL, 2047 stats->namebuf, "Oversized Packets Received"); 2048 evcnt_attach_dynamic(&stats->rjc, EVCNT_TYPE_MISC, NULL, 2049 stats->namebuf, "Received Jabber"); 2050 evcnt_attach_dynamic(&stats->mngprc, EVCNT_TYPE_MISC, NULL, 2051 stats->namebuf, "Management Packets Received"); 2052 evcnt_attach_dynamic(&stats->mngpdc, EVCNT_TYPE_MISC, NULL, 2053 stats->namebuf, "Management Packets Dropped"); 2054 evcnt_attach_dynamic(&stats->xec, EVCNT_TYPE_MISC, NULL, 2055 stats->namebuf, "Checksum Errors"); 2056 2057 /* Packet Transmission Stats */ 2058 evcnt_attach_dynamic(&stats->gotc, EVCNT_TYPE_MISC, NULL, 2059 stats->namebuf, "Good Octets Transmitted"); 2060 evcnt_attach_dynamic(&stats->tpt, EVCNT_TYPE_MISC, NULL, 2061 stats->namebuf, "Total Packets Transmitted"); 2062 evcnt_attach_dynamic(&stats->gptc, EVCNT_TYPE_MISC, NULL, 2063 stats->namebuf, "Good Packets Transmitted"); 2064 evcnt_attach_dynamic(&stats->bptc, EVCNT_TYPE_MISC, NULL, 2065 stats->namebuf, "Broadcast Packets Transmitted"); 2066 evcnt_attach_dynamic(&stats->mptc, EVCNT_TYPE_MISC, NULL, 2067 stats->namebuf, "Multicast Packets Transmitted"); 2068 evcnt_attach_dynamic(&stats->mngptc, EVCNT_TYPE_MISC, NULL, 2069 stats->namebuf, "Management Packets Transmitted"); 2070 evcnt_attach_dynamic(&stats->ptc64, EVCNT_TYPE_MISC, NULL, 2071 stats->namebuf, "64 byte frames transmitted "); 2072 evcnt_attach_dynamic(&stats->ptc127, EVCNT_TYPE_MISC, NULL, 2073 stats->namebuf, "65-127 byte frames transmitted"); 2074 evcnt_attach_dynamic(&stats->ptc255, EVCNT_TYPE_MISC, NULL, 2075 stats->namebuf, "128-255 byte frames transmitted"); 2076 evcnt_attach_dynamic(&stats->ptc511, EVCNT_TYPE_MISC, NULL, 2077 stats->namebuf, "256-511 byte frames transmitted"); 2078 evcnt_attach_dynamic(&stats->ptc1023, EVCNT_TYPE_MISC, NULL, 2079 stats->namebuf, "512-1023 byte frames transmitted"); 2080 evcnt_attach_dynamic(&stats->ptc1522, EVCNT_TYPE_MISC, NULL, 2081 stats->namebuf, "1024-1522 byte frames transmitted"); 2082 } /* ixgbe_add_hw_stats */ 2083 2084 static void 2085 ixgbe_clear_evcnt(struct adapter *adapter) 2086 { 2087 struct tx_ring *txr = adapter->tx_rings; 2088 struct rx_ring *rxr = adapter->rx_rings; 2089 struct ixgbe_hw *hw = &adapter->hw; 2090 struct ixgbe_hw_stats *stats = &adapter->stats.pf; 2091 int i; 2092 2093 adapter->efbig_tx_dma_setup.ev_count = 0; 2094 adapter->mbuf_defrag_failed.ev_count = 0; 2095 adapter->efbig2_tx_dma_setup.ev_count = 0; 2096 adapter->einval_tx_dma_setup.ev_count = 0; 2097 adapter->other_tx_dma_setup.ev_count = 0; 2098 adapter->eagain_tx_dma_setup.ev_count = 0; 2099 adapter->enomem_tx_dma_setup.ev_count = 0; 2100 adapter->tso_err.ev_count = 0; 2101 adapter->watchdog_events.ev_count = 0; 2102 adapter->admin_irqev.ev_count = 0; 2103 adapter->link_workev.ev_count = 0; 2104 adapter->mod_workev.ev_count = 0; 2105 adapter->msf_workev.ev_count = 0; 2106 adapter->phy_workev.ev_count = 0; 2107 2108 for (i = 0; i < IXGBE_TC_COUNTER_NUM; i++) { 2109 if (i < __arraycount(stats->mpc)) { 2110 stats->mpc[i].ev_count = 0; 2111 if (hw->mac.type == ixgbe_mac_82598EB) 2112 stats->rnbc[i].ev_count = 0; 2113 } 2114 if (i < __arraycount(stats->pxontxc)) { 2115 stats->pxontxc[i].ev_count = 0; 2116 stats->pxonrxc[i].ev_count = 0; 2117 stats->pxofftxc[i].ev_count = 0; 2118 stats->pxoffrxc[i].ev_count = 0; 2119 if (hw->mac.type >= ixgbe_mac_82599EB) 2120 stats->pxon2offc[i].ev_count = 0; 2121 } 2122 } 2123 2124 txr = adapter->tx_rings; 2125 for (i = 0; i < adapter->num_queues; i++, rxr++, txr++) { 2126 adapter->queues[i].irqs.ev_count = 0; 2127 adapter->queues[i].handleq.ev_count = 0; 2128 adapter->queues[i].req.ev_count = 0; 2129 txr->no_desc_avail.ev_count = 0; 2130 txr->total_packets.ev_count = 0; 2131 txr->tso_tx.ev_count = 0; 2132 #ifndef IXGBE_LEGACY_TX 2133 txr->pcq_drops.ev_count = 0; 2134 #endif 2135 txr->q_efbig_tx_dma_setup = 0; 2136 txr->q_mbuf_defrag_failed = 0; 2137 txr->q_efbig2_tx_dma_setup = 0; 2138 txr->q_einval_tx_dma_setup = 0; 2139 txr->q_other_tx_dma_setup = 0; 2140 txr->q_eagain_tx_dma_setup = 0; 2141 txr->q_enomem_tx_dma_setup = 0; 2142 txr->q_tso_err = 0; 2143 2144 if (i < __arraycount(stats->qprc)) { 2145 stats->qprc[i].ev_count = 0; 2146 stats->qptc[i].ev_count = 0; 2147 stats->qbrc[i].ev_count = 0; 2148 stats->qbtc[i].ev_count = 0; 2149 if (hw->mac.type >= ixgbe_mac_82599EB) 2150 stats->qprdc[i].ev_count = 0; 2151 } 2152 2153 rxr->rx_packets.ev_count = 0; 2154 rxr->rx_bytes.ev_count = 0; 2155 rxr->rx_copies.ev_count = 0; 2156 rxr->no_jmbuf.ev_count = 0; 2157 rxr->rx_discarded.ev_count = 0; 2158 } 2159 stats->ipcs.ev_count = 0; 2160 stats->l4cs.ev_count = 0; 2161 stats->ipcs_bad.ev_count = 0; 2162 stats->l4cs_bad.ev_count = 0; 2163 stats->intzero.ev_count = 0; 2164 stats->legint.ev_count = 0; 2165 stats->crcerrs.ev_count = 0; 2166 stats->illerrc.ev_count = 0; 2167 stats->errbc.ev_count = 0; 2168 stats->mspdc.ev_count = 0; 2169 if (hw->mac.type >= ixgbe_mac_X550) 2170 stats->mbsdc.ev_count = 0; 2171 stats->mpctotal.ev_count = 0; 2172 stats->mlfc.ev_count = 0; 2173 stats->mrfc.ev_count = 0; 2174 stats->rlec.ev_count = 0; 2175 stats->lxontxc.ev_count = 0; 2176 stats->lxonrxc.ev_count = 0; 2177 stats->lxofftxc.ev_count = 0; 2178 stats->lxoffrxc.ev_count = 0; 2179 2180 /* Packet Reception Stats */ 2181 stats->tor.ev_count = 0; 2182 stats->gorc.ev_count = 0; 2183 stats->tpr.ev_count = 0; 2184 stats->gprc.ev_count = 0; 2185 stats->mprc.ev_count = 0; 2186 stats->bprc.ev_count = 0; 2187 stats->prc64.ev_count = 0; 2188 stats->prc127.ev_count = 0; 2189 stats->prc255.ev_count = 0; 2190 stats->prc511.ev_count = 0; 2191 stats->prc1023.ev_count = 0; 2192 stats->prc1522.ev_count = 0; 2193 stats->ruc.ev_count = 0; 2194 stats->rfc.ev_count = 0; 2195 stats->roc.ev_count = 0; 2196 stats->rjc.ev_count = 0; 2197 stats->mngprc.ev_count = 0; 2198 stats->mngpdc.ev_count = 0; 2199 stats->xec.ev_count = 0; 2200 2201 /* Packet Transmission Stats */ 2202 stats->gotc.ev_count = 0; 2203 stats->tpt.ev_count = 0; 2204 stats->gptc.ev_count = 0; 2205 stats->bptc.ev_count = 0; 2206 stats->mptc.ev_count = 0; 2207 stats->mngptc.ev_count = 0; 2208 stats->ptc64.ev_count = 0; 2209 stats->ptc127.ev_count = 0; 2210 stats->ptc255.ev_count = 0; 2211 stats->ptc511.ev_count = 0; 2212 stats->ptc1023.ev_count = 0; 2213 stats->ptc1522.ev_count = 0; 2214 } 2215 2216 /************************************************************************ 2217 * ixgbe_sysctl_tdh_handler - Transmit Descriptor Head handler function 2218 * 2219 * Retrieves the TDH value from the hardware 2220 ************************************************************************/ 2221 static int 2222 ixgbe_sysctl_tdh_handler(SYSCTLFN_ARGS) 2223 { 2224 struct sysctlnode node = *rnode; 2225 struct tx_ring *txr = (struct tx_ring *)node.sysctl_data; 2226 struct adapter *adapter; 2227 uint32_t val; 2228 2229 if (!txr) 2230 return (0); 2231 2232 adapter = txr->adapter; 2233 if (ixgbe_fw_recovery_mode_swflag(adapter)) 2234 return (EPERM); 2235 2236 val = IXGBE_READ_REG(&adapter->hw, IXGBE_TDH(txr->me)); 2237 node.sysctl_data = &val; 2238 return sysctl_lookup(SYSCTLFN_CALL(&node)); 2239 } /* ixgbe_sysctl_tdh_handler */ 2240 2241 /************************************************************************ 2242 * ixgbe_sysctl_tdt_handler - Transmit Descriptor Tail handler function 2243 * 2244 * Retrieves the TDT value from the hardware 2245 ************************************************************************/ 2246 static int 2247 ixgbe_sysctl_tdt_handler(SYSCTLFN_ARGS) 2248 { 2249 struct sysctlnode node = *rnode; 2250 struct tx_ring *txr = (struct tx_ring *)node.sysctl_data; 2251 struct adapter *adapter; 2252 uint32_t val; 2253 2254 if (!txr) 2255 return (0); 2256 2257 adapter = txr->adapter; 2258 if (ixgbe_fw_recovery_mode_swflag(adapter)) 2259 return (EPERM); 2260 2261 val = IXGBE_READ_REG(&adapter->hw, IXGBE_TDT(txr->me)); 2262 node.sysctl_data = &val; 2263 return sysctl_lookup(SYSCTLFN_CALL(&node)); 2264 } /* ixgbe_sysctl_tdt_handler */ 2265 2266 /************************************************************************ 2267 * ixgbe_sysctl_next_to_check_handler - Receive Descriptor next to check 2268 * handler function 2269 * 2270 * Retrieves the next_to_check value 2271 ************************************************************************/ 2272 static int 2273 ixgbe_sysctl_next_to_check_handler(SYSCTLFN_ARGS) 2274 { 2275 struct sysctlnode node = *rnode; 2276 struct rx_ring *rxr = (struct rx_ring *)node.sysctl_data; 2277 struct adapter *adapter; 2278 uint32_t val; 2279 2280 if (!rxr) 2281 return (0); 2282 2283 adapter = rxr->adapter; 2284 if (ixgbe_fw_recovery_mode_swflag(adapter)) 2285 return (EPERM); 2286 2287 val = rxr->next_to_check; 2288 node.sysctl_data = &val; 2289 return sysctl_lookup(SYSCTLFN_CALL(&node)); 2290 } /* ixgbe_sysctl_next_to_check_handler */ 2291 2292 /************************************************************************ 2293 * ixgbe_sysctl_rdh_handler - Receive Descriptor Head handler function 2294 * 2295 * Retrieves the RDH value from the hardware 2296 ************************************************************************/ 2297 static int 2298 ixgbe_sysctl_rdh_handler(SYSCTLFN_ARGS) 2299 { 2300 struct sysctlnode node = *rnode; 2301 struct rx_ring *rxr = (struct rx_ring *)node.sysctl_data; 2302 struct adapter *adapter; 2303 uint32_t val; 2304 2305 if (!rxr) 2306 return (0); 2307 2308 adapter = rxr->adapter; 2309 if (ixgbe_fw_recovery_mode_swflag(adapter)) 2310 return (EPERM); 2311 2312 val = IXGBE_READ_REG(&adapter->hw, IXGBE_RDH(rxr->me)); 2313 node.sysctl_data = &val; 2314 return sysctl_lookup(SYSCTLFN_CALL(&node)); 2315 } /* ixgbe_sysctl_rdh_handler */ 2316 2317 /************************************************************************ 2318 * ixgbe_sysctl_rdt_handler - Receive Descriptor Tail handler function 2319 * 2320 * Retrieves the RDT value from the hardware 2321 ************************************************************************/ 2322 static int 2323 ixgbe_sysctl_rdt_handler(SYSCTLFN_ARGS) 2324 { 2325 struct sysctlnode node = *rnode; 2326 struct rx_ring *rxr = (struct rx_ring *)node.sysctl_data; 2327 struct adapter *adapter; 2328 uint32_t val; 2329 2330 if (!rxr) 2331 return (0); 2332 2333 adapter = rxr->adapter; 2334 if (ixgbe_fw_recovery_mode_swflag(adapter)) 2335 return (EPERM); 2336 2337 val = IXGBE_READ_REG(&adapter->hw, IXGBE_RDT(rxr->me)); 2338 node.sysctl_data = &val; 2339 return sysctl_lookup(SYSCTLFN_CALL(&node)); 2340 } /* ixgbe_sysctl_rdt_handler */ 2341 2342 static int 2343 ixgbe_vlan_cb(struct ethercom *ec, uint16_t vid, bool set) 2344 { 2345 struct ifnet *ifp = &ec->ec_if; 2346 struct adapter *adapter = ifp->if_softc; 2347 int rv; 2348 2349 if (set) 2350 rv = ixgbe_register_vlan(adapter, vid); 2351 else 2352 rv = ixgbe_unregister_vlan(adapter, vid); 2353 2354 if (rv != 0) 2355 return rv; 2356 2357 /* 2358 * Control VLAN HW tagging when ec_nvlan is changed from 1 to 0 2359 * or 0 to 1. 2360 */ 2361 if ((set && (ec->ec_nvlans == 1)) || (!set && (ec->ec_nvlans == 0))) 2362 ixgbe_setup_vlan_hw_tagging(adapter); 2363 2364 return rv; 2365 } 2366 2367 /************************************************************************ 2368 * ixgbe_register_vlan 2369 * 2370 * Run via vlan config EVENT, it enables us to use the 2371 * HW Filter table since we can get the vlan id. This 2372 * just creates the entry in the soft version of the 2373 * VFTA, init will repopulate the real table. 2374 ************************************************************************/ 2375 static int 2376 ixgbe_register_vlan(struct adapter *adapter, u16 vtag) 2377 { 2378 u16 index, bit; 2379 int error; 2380 2381 if ((vtag == 0) || (vtag > 4095)) /* Invalid */ 2382 return EINVAL; 2383 2384 IXGBE_CORE_LOCK(adapter); 2385 index = (vtag >> 5) & 0x7F; 2386 bit = vtag & 0x1F; 2387 adapter->shadow_vfta[index] |= ((u32)1 << bit); 2388 error = adapter->hw.mac.ops.set_vfta(&adapter->hw, vtag, 0, true, 2389 true); 2390 IXGBE_CORE_UNLOCK(adapter); 2391 if (error != 0) 2392 error = EACCES; 2393 2394 return error; 2395 } /* ixgbe_register_vlan */ 2396 2397 /************************************************************************ 2398 * ixgbe_unregister_vlan 2399 * 2400 * Run via vlan unconfig EVENT, remove our entry in the soft vfta. 2401 ************************************************************************/ 2402 static int 2403 ixgbe_unregister_vlan(struct adapter *adapter, u16 vtag) 2404 { 2405 u16 index, bit; 2406 int error; 2407 2408 if ((vtag == 0) || (vtag > 4095)) /* Invalid */ 2409 return EINVAL; 2410 2411 IXGBE_CORE_LOCK(adapter); 2412 index = (vtag >> 5) & 0x7F; 2413 bit = vtag & 0x1F; 2414 adapter->shadow_vfta[index] &= ~((u32)1 << bit); 2415 error = adapter->hw.mac.ops.set_vfta(&adapter->hw, vtag, 0, false, 2416 true); 2417 IXGBE_CORE_UNLOCK(adapter); 2418 if (error != 0) 2419 error = EACCES; 2420 2421 return error; 2422 } /* ixgbe_unregister_vlan */ 2423 2424 static void 2425 ixgbe_setup_vlan_hw_tagging(struct adapter *adapter) 2426 { 2427 struct ethercom *ec = &adapter->osdep.ec; 2428 struct ixgbe_hw *hw = &adapter->hw; 2429 struct rx_ring *rxr; 2430 u32 ctrl; 2431 int i; 2432 bool hwtagging; 2433 2434 /* Enable HW tagging only if any vlan is attached */ 2435 hwtagging = (ec->ec_capenable & ETHERCAP_VLAN_HWTAGGING) 2436 && VLAN_ATTACHED(ec); 2437 2438 /* Setup the queues for vlans */ 2439 for (i = 0; i < adapter->num_queues; i++) { 2440 rxr = &adapter->rx_rings[i]; 2441 /* 2442 * On 82599 and later, the VLAN enable is per/queue in RXDCTL. 2443 */ 2444 if (hw->mac.type != ixgbe_mac_82598EB) { 2445 ctrl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(rxr->me)); 2446 if (hwtagging) 2447 ctrl |= IXGBE_RXDCTL_VME; 2448 else 2449 ctrl &= ~IXGBE_RXDCTL_VME; 2450 IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(rxr->me), ctrl); 2451 } 2452 rxr->vtag_strip = hwtagging ? TRUE : FALSE; 2453 } 2454 2455 /* VLAN hw tagging for 82598 */ 2456 if (hw->mac.type == ixgbe_mac_82598EB) { 2457 ctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL); 2458 if (hwtagging) 2459 ctrl |= IXGBE_VLNCTRL_VME; 2460 else 2461 ctrl &= ~IXGBE_VLNCTRL_VME; 2462 IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, ctrl); 2463 } 2464 } /* ixgbe_setup_vlan_hw_tagging */ 2465 2466 static void 2467 ixgbe_setup_vlan_hw_support(struct adapter *adapter) 2468 { 2469 struct ethercom *ec = &adapter->osdep.ec; 2470 struct ixgbe_hw *hw = &adapter->hw; 2471 int i; 2472 u32 ctrl; 2473 struct vlanid_list *vlanidp; 2474 2475 /* 2476 * This function is called from both if_init and ifflags_cb() 2477 * on NetBSD. 2478 */ 2479 2480 /* 2481 * Part 1: 2482 * Setup VLAN HW tagging 2483 */ 2484 ixgbe_setup_vlan_hw_tagging(adapter); 2485 2486 /* 2487 * Part 2: 2488 * Setup VLAN HW filter 2489 */ 2490 /* Cleanup shadow_vfta */ 2491 for (i = 0; i < IXGBE_VFTA_SIZE; i++) 2492 adapter->shadow_vfta[i] = 0; 2493 /* Generate shadow_vfta from ec_vids */ 2494 ETHER_LOCK(ec); 2495 SIMPLEQ_FOREACH(vlanidp, &ec->ec_vids, vid_list) { 2496 uint32_t idx; 2497 2498 idx = vlanidp->vid / 32; 2499 KASSERT(idx < IXGBE_VFTA_SIZE); 2500 adapter->shadow_vfta[idx] |= (u32)1 << (vlanidp->vid % 32); 2501 } 2502 ETHER_UNLOCK(ec); 2503 for (i = 0; i < IXGBE_VFTA_SIZE; i++) 2504 IXGBE_WRITE_REG(hw, IXGBE_VFTA(i), adapter->shadow_vfta[i]); 2505 2506 ctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL); 2507 /* Enable the Filter Table if enabled */ 2508 if (ec->ec_capenable & ETHERCAP_VLAN_HWFILTER) 2509 ctrl |= IXGBE_VLNCTRL_VFE; 2510 else 2511 ctrl &= ~IXGBE_VLNCTRL_VFE; 2512 IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, ctrl); 2513 } /* ixgbe_setup_vlan_hw_support */ 2514 2515 /************************************************************************ 2516 * ixgbe_get_slot_info 2517 * 2518 * Get the width and transaction speed of 2519 * the slot this adapter is plugged into. 2520 ************************************************************************/ 2521 static void 2522 ixgbe_get_slot_info(struct adapter *adapter) 2523 { 2524 device_t dev = adapter->dev; 2525 struct ixgbe_hw *hw = &adapter->hw; 2526 u32 offset; 2527 u16 link; 2528 int bus_info_valid = TRUE; 2529 2530 /* Some devices are behind an internal bridge */ 2531 switch (hw->device_id) { 2532 case IXGBE_DEV_ID_82599_SFP_SF_QP: 2533 case IXGBE_DEV_ID_82599_QSFP_SF_QP: 2534 goto get_parent_info; 2535 default: 2536 break; 2537 } 2538 2539 ixgbe_get_bus_info(hw); 2540 2541 /* 2542 * Some devices don't use PCI-E, but there is no need 2543 * to display "Unknown" for bus speed and width. 2544 */ 2545 switch (hw->mac.type) { 2546 case ixgbe_mac_X550EM_x: 2547 case ixgbe_mac_X550EM_a: 2548 return; 2549 default: 2550 goto display; 2551 } 2552 2553 get_parent_info: 2554 /* 2555 * For the Quad port adapter we need to parse back 2556 * up the PCI tree to find the speed of the expansion 2557 * slot into which this adapter is plugged. A bit more work. 2558 */ 2559 dev = device_parent(device_parent(dev)); 2560 #if 0 2561 #ifdef IXGBE_DEBUG 2562 device_printf(dev, "parent pcib = %x,%x,%x\n", pci_get_bus(dev), 2563 pci_get_slot(dev), pci_get_function(dev)); 2564 #endif 2565 dev = device_parent(device_parent(dev)); 2566 #ifdef IXGBE_DEBUG 2567 device_printf(dev, "slot pcib = %x,%x,%x\n", pci_get_bus(dev), 2568 pci_get_slot(dev), pci_get_function(dev)); 2569 #endif 2570 #endif 2571 /* Now get the PCI Express Capabilities offset */ 2572 if (pci_get_capability(adapter->osdep.pc, adapter->osdep.tag, 2573 PCI_CAP_PCIEXPRESS, &offset, NULL)) { 2574 /* 2575 * Hmm...can't get PCI-Express capabilities. 2576 * Falling back to default method. 2577 */ 2578 bus_info_valid = FALSE; 2579 ixgbe_get_bus_info(hw); 2580 goto display; 2581 } 2582 /* ...and read the Link Status Register */ 2583 link = pci_conf_read(adapter->osdep.pc, adapter->osdep.tag, 2584 offset + PCIE_LCSR) >> 16; 2585 ixgbe_set_pci_config_data_generic(hw, link); 2586 2587 display: 2588 device_printf(dev, "PCI Express Bus: Speed %s Width %s\n", 2589 ((hw->bus.speed == ixgbe_bus_speed_8000) ? "8.0GT/s" : 2590 (hw->bus.speed == ixgbe_bus_speed_5000) ? "5.0GT/s" : 2591 (hw->bus.speed == ixgbe_bus_speed_2500) ? "2.5GT/s" : 2592 "Unknown"), 2593 ((hw->bus.width == ixgbe_bus_width_pcie_x8) ? "x8" : 2594 (hw->bus.width == ixgbe_bus_width_pcie_x4) ? "x4" : 2595 (hw->bus.width == ixgbe_bus_width_pcie_x1) ? "x1" : 2596 "Unknown")); 2597 2598 if (bus_info_valid) { 2599 if ((hw->device_id != IXGBE_DEV_ID_82599_SFP_SF_QP) && 2600 ((hw->bus.width <= ixgbe_bus_width_pcie_x4) && 2601 (hw->bus.speed == ixgbe_bus_speed_2500))) { 2602 device_printf(dev, "PCI-Express bandwidth available" 2603 " for this card\n is not sufficient for" 2604 " optimal performance.\n"); 2605 device_printf(dev, "For optimal performance a x8 " 2606 "PCIE, or x4 PCIE Gen2 slot is required.\n"); 2607 } 2608 if ((hw->device_id == IXGBE_DEV_ID_82599_SFP_SF_QP) && 2609 ((hw->bus.width <= ixgbe_bus_width_pcie_x8) && 2610 (hw->bus.speed < ixgbe_bus_speed_8000))) { 2611 device_printf(dev, "PCI-Express bandwidth available" 2612 " for this card\n is not sufficient for" 2613 " optimal performance.\n"); 2614 device_printf(dev, "For optimal performance a x8 " 2615 "PCIE Gen3 slot is required.\n"); 2616 } 2617 } else 2618 device_printf(dev, "Unable to determine slot speed/width. The speed/width reported are that of the internal switch.\n"); 2619 2620 return; 2621 } /* ixgbe_get_slot_info */ 2622 2623 /************************************************************************ 2624 * ixgbe_enable_queue - MSI-X Interrupt Handlers and Tasklets 2625 ************************************************************************/ 2626 static inline void 2627 ixgbe_enable_queue(struct adapter *adapter, u32 vector) 2628 { 2629 struct ixgbe_hw *hw = &adapter->hw; 2630 struct ix_queue *que = &adapter->queues[vector]; 2631 u64 queue = 1ULL << vector; 2632 u32 mask; 2633 2634 mutex_enter(&que->dc_mtx); 2635 if (que->disabled_count > 0 && --que->disabled_count > 0) 2636 goto out; 2637 2638 if (hw->mac.type == ixgbe_mac_82598EB) { 2639 mask = (IXGBE_EIMS_RTX_QUEUE & queue); 2640 IXGBE_WRITE_REG(hw, IXGBE_EIMS, mask); 2641 } else { 2642 mask = (queue & 0xFFFFFFFF); 2643 if (mask) 2644 IXGBE_WRITE_REG(hw, IXGBE_EIMS_EX(0), mask); 2645 mask = (queue >> 32); 2646 if (mask) 2647 IXGBE_WRITE_REG(hw, IXGBE_EIMS_EX(1), mask); 2648 } 2649 out: 2650 mutex_exit(&que->dc_mtx); 2651 } /* ixgbe_enable_queue */ 2652 2653 /************************************************************************ 2654 * ixgbe_disable_queue_internal 2655 ************************************************************************/ 2656 static inline void 2657 ixgbe_disable_queue_internal(struct adapter *adapter, u32 vector, bool nestok) 2658 { 2659 struct ixgbe_hw *hw = &adapter->hw; 2660 struct ix_queue *que = &adapter->queues[vector]; 2661 u64 queue = 1ULL << vector; 2662 u32 mask; 2663 2664 mutex_enter(&que->dc_mtx); 2665 2666 if (que->disabled_count > 0) { 2667 if (nestok) 2668 que->disabled_count++; 2669 goto out; 2670 } 2671 que->disabled_count++; 2672 2673 if (hw->mac.type == ixgbe_mac_82598EB) { 2674 mask = (IXGBE_EIMS_RTX_QUEUE & queue); 2675 IXGBE_WRITE_REG(hw, IXGBE_EIMC, mask); 2676 } else { 2677 mask = (queue & 0xFFFFFFFF); 2678 if (mask) 2679 IXGBE_WRITE_REG(hw, IXGBE_EIMC_EX(0), mask); 2680 mask = (queue >> 32); 2681 if (mask) 2682 IXGBE_WRITE_REG(hw, IXGBE_EIMC_EX(1), mask); 2683 } 2684 out: 2685 mutex_exit(&que->dc_mtx); 2686 } /* ixgbe_disable_queue_internal */ 2687 2688 /************************************************************************ 2689 * ixgbe_disable_queue 2690 ************************************************************************/ 2691 static inline void 2692 ixgbe_disable_queue(struct adapter *adapter, u32 vector) 2693 { 2694 2695 ixgbe_disable_queue_internal(adapter, vector, true); 2696 } /* ixgbe_disable_queue */ 2697 2698 /************************************************************************ 2699 * ixgbe_sched_handle_que - schedule deferred packet processing 2700 ************************************************************************/ 2701 static inline void 2702 ixgbe_sched_handle_que(struct adapter *adapter, struct ix_queue *que) 2703 { 2704 2705 if (que->txrx_use_workqueue) { 2706 /* 2707 * adapter->que_wq is bound to each CPU instead of 2708 * each NIC queue to reduce workqueue kthread. As we 2709 * should consider about interrupt affinity in this 2710 * function, the workqueue kthread must be WQ_PERCPU. 2711 * If create WQ_PERCPU workqueue kthread for each NIC 2712 * queue, that number of created workqueue kthread is 2713 * (number of used NIC queue) * (number of CPUs) = 2714 * (number of CPUs) ^ 2 most often. 2715 * 2716 * The same NIC queue's interrupts are avoided by 2717 * masking the queue's interrupt. And different 2718 * NIC queue's interrupts use different struct work 2719 * (que->wq_cookie). So, "enqueued flag" to avoid 2720 * twice workqueue_enqueue() is not required . 2721 */ 2722 workqueue_enqueue(adapter->que_wq, &que->wq_cookie, curcpu()); 2723 } else { 2724 softint_schedule(que->que_si); 2725 } 2726 } 2727 2728 /************************************************************************ 2729 * ixgbe_msix_que - MSI-X Queue Interrupt Service routine 2730 ************************************************************************/ 2731 static int 2732 ixgbe_msix_que(void *arg) 2733 { 2734 struct ix_queue *que = arg; 2735 struct adapter *adapter = que->adapter; 2736 struct ifnet *ifp = adapter->ifp; 2737 struct tx_ring *txr = que->txr; 2738 struct rx_ring *rxr = que->rxr; 2739 bool more; 2740 u32 newitr = 0; 2741 2742 /* Protect against spurious interrupts */ 2743 if ((ifp->if_flags & IFF_RUNNING) == 0) 2744 return 0; 2745 2746 ixgbe_disable_queue(adapter, que->msix); 2747 ++que->irqs.ev_count; 2748 2749 /* 2750 * Don't change "que->txrx_use_workqueue" from this point to avoid 2751 * flip-flopping softint/workqueue mode in one deferred processing. 2752 */ 2753 que->txrx_use_workqueue = adapter->txrx_use_workqueue; 2754 2755 #ifdef __NetBSD__ 2756 /* Don't run ixgbe_rxeof in interrupt context */ 2757 more = true; 2758 #else 2759 more = ixgbe_rxeof(que); 2760 #endif 2761 2762 IXGBE_TX_LOCK(txr); 2763 ixgbe_txeof(txr); 2764 IXGBE_TX_UNLOCK(txr); 2765 2766 /* Do AIM now? */ 2767 2768 if (adapter->enable_aim == false) 2769 goto no_calc; 2770 /* 2771 * Do Adaptive Interrupt Moderation: 2772 * - Write out last calculated setting 2773 * - Calculate based on average size over 2774 * the last interval. 2775 */ 2776 if (que->eitr_setting) 2777 ixgbe_eitr_write(adapter, que->msix, que->eitr_setting); 2778 2779 que->eitr_setting = 0; 2780 2781 /* Idle, do nothing */ 2782 if ((txr->bytes == 0) && (rxr->bytes == 0)) 2783 goto no_calc; 2784 2785 if ((txr->bytes) && (txr->packets)) 2786 newitr = txr->bytes/txr->packets; 2787 if ((rxr->bytes) && (rxr->packets)) 2788 newitr = uimax(newitr, (rxr->bytes / rxr->packets)); 2789 newitr += 24; /* account for hardware frame, crc */ 2790 2791 /* set an upper boundary */ 2792 newitr = uimin(newitr, 3000); 2793 2794 /* Be nice to the mid range */ 2795 if ((newitr > 300) && (newitr < 1200)) 2796 newitr = (newitr / 3); 2797 else 2798 newitr = (newitr / 2); 2799 2800 /* 2801 * When RSC is used, ITR interval must be larger than RSC_DELAY. 2802 * Currently, we use 2us for RSC_DELAY. The minimum value is always 2803 * greater than 2us on 100M (and 10M?(not documented)), but it's not 2804 * on 1G and higher. 2805 */ 2806 if ((adapter->link_speed != IXGBE_LINK_SPEED_100_FULL) 2807 && (adapter->link_speed != IXGBE_LINK_SPEED_10_FULL)) { 2808 if (newitr < IXGBE_MIN_RSC_EITR_10G1G) 2809 newitr = IXGBE_MIN_RSC_EITR_10G1G; 2810 } 2811 2812 /* save for next interrupt */ 2813 que->eitr_setting = newitr; 2814 2815 /* Reset state */ 2816 txr->bytes = 0; 2817 txr->packets = 0; 2818 rxr->bytes = 0; 2819 rxr->packets = 0; 2820 2821 no_calc: 2822 if (more) 2823 ixgbe_sched_handle_que(adapter, que); 2824 else 2825 ixgbe_enable_queue(adapter, que->msix); 2826 2827 return 1; 2828 } /* ixgbe_msix_que */ 2829 2830 /************************************************************************ 2831 * ixgbe_media_status - Media Ioctl callback 2832 * 2833 * Called whenever the user queries the status of 2834 * the interface using ifconfig. 2835 ************************************************************************/ 2836 static void 2837 ixgbe_media_status(struct ifnet *ifp, struct ifmediareq *ifmr) 2838 { 2839 struct adapter *adapter = ifp->if_softc; 2840 struct ixgbe_hw *hw = &adapter->hw; 2841 int layer; 2842 2843 INIT_DEBUGOUT("ixgbe_media_status: begin"); 2844 ixgbe_update_link_status(adapter); 2845 2846 ifmr->ifm_status = IFM_AVALID; 2847 ifmr->ifm_active = IFM_ETHER; 2848 2849 if (adapter->link_active != LINK_STATE_UP) { 2850 ifmr->ifm_active |= IFM_NONE; 2851 return; 2852 } 2853 2854 ifmr->ifm_status |= IFM_ACTIVE; 2855 layer = adapter->phy_layer; 2856 2857 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_T || 2858 layer & IXGBE_PHYSICAL_LAYER_5GBASE_T || 2859 layer & IXGBE_PHYSICAL_LAYER_2500BASE_T || 2860 layer & IXGBE_PHYSICAL_LAYER_1000BASE_T || 2861 layer & IXGBE_PHYSICAL_LAYER_100BASE_TX || 2862 layer & IXGBE_PHYSICAL_LAYER_10BASE_T) 2863 switch (adapter->link_speed) { 2864 case IXGBE_LINK_SPEED_10GB_FULL: 2865 ifmr->ifm_active |= IFM_10G_T | IFM_FDX; 2866 break; 2867 case IXGBE_LINK_SPEED_5GB_FULL: 2868 ifmr->ifm_active |= IFM_5000_T | IFM_FDX; 2869 break; 2870 case IXGBE_LINK_SPEED_2_5GB_FULL: 2871 ifmr->ifm_active |= IFM_2500_T | IFM_FDX; 2872 break; 2873 case IXGBE_LINK_SPEED_1GB_FULL: 2874 ifmr->ifm_active |= IFM_1000_T | IFM_FDX; 2875 break; 2876 case IXGBE_LINK_SPEED_100_FULL: 2877 ifmr->ifm_active |= IFM_100_TX | IFM_FDX; 2878 break; 2879 case IXGBE_LINK_SPEED_10_FULL: 2880 ifmr->ifm_active |= IFM_10_T | IFM_FDX; 2881 break; 2882 } 2883 if (layer & IXGBE_PHYSICAL_LAYER_SFP_PLUS_CU || 2884 layer & IXGBE_PHYSICAL_LAYER_SFP_ACTIVE_DA) 2885 switch (adapter->link_speed) { 2886 case IXGBE_LINK_SPEED_10GB_FULL: 2887 ifmr->ifm_active |= IFM_10G_TWINAX | IFM_FDX; 2888 break; 2889 } 2890 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_LR) 2891 switch (adapter->link_speed) { 2892 case IXGBE_LINK_SPEED_10GB_FULL: 2893 ifmr->ifm_active |= IFM_10G_LR | IFM_FDX; 2894 break; 2895 case IXGBE_LINK_SPEED_1GB_FULL: 2896 ifmr->ifm_active |= IFM_1000_LX | IFM_FDX; 2897 break; 2898 } 2899 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_LRM) 2900 switch (adapter->link_speed) { 2901 case IXGBE_LINK_SPEED_10GB_FULL: 2902 ifmr->ifm_active |= IFM_10G_LRM | IFM_FDX; 2903 break; 2904 case IXGBE_LINK_SPEED_1GB_FULL: 2905 ifmr->ifm_active |= IFM_1000_LX | IFM_FDX; 2906 break; 2907 } 2908 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_SR || 2909 layer & IXGBE_PHYSICAL_LAYER_1000BASE_SX) 2910 switch (adapter->link_speed) { 2911 case IXGBE_LINK_SPEED_10GB_FULL: 2912 ifmr->ifm_active |= IFM_10G_SR | IFM_FDX; 2913 break; 2914 case IXGBE_LINK_SPEED_1GB_FULL: 2915 ifmr->ifm_active |= IFM_1000_SX | IFM_FDX; 2916 break; 2917 } 2918 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_CX4) 2919 switch (adapter->link_speed) { 2920 case IXGBE_LINK_SPEED_10GB_FULL: 2921 ifmr->ifm_active |= IFM_10G_CX4 | IFM_FDX; 2922 break; 2923 } 2924 /* 2925 * XXX: These need to use the proper media types once 2926 * they're added. 2927 */ 2928 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KR) 2929 switch (adapter->link_speed) { 2930 case IXGBE_LINK_SPEED_10GB_FULL: 2931 ifmr->ifm_active |= IFM_10G_KR | IFM_FDX; 2932 break; 2933 case IXGBE_LINK_SPEED_2_5GB_FULL: 2934 ifmr->ifm_active |= IFM_2500_KX | IFM_FDX; 2935 break; 2936 case IXGBE_LINK_SPEED_1GB_FULL: 2937 ifmr->ifm_active |= IFM_1000_KX | IFM_FDX; 2938 break; 2939 } 2940 else if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KX4 || 2941 layer & IXGBE_PHYSICAL_LAYER_2500BASE_KX || 2942 layer & IXGBE_PHYSICAL_LAYER_1000BASE_KX) 2943 switch (adapter->link_speed) { 2944 case IXGBE_LINK_SPEED_10GB_FULL: 2945 ifmr->ifm_active |= IFM_10G_KX4 | IFM_FDX; 2946 break; 2947 case IXGBE_LINK_SPEED_2_5GB_FULL: 2948 ifmr->ifm_active |= IFM_2500_KX | IFM_FDX; 2949 break; 2950 case IXGBE_LINK_SPEED_1GB_FULL: 2951 ifmr->ifm_active |= IFM_1000_KX | IFM_FDX; 2952 break; 2953 } 2954 2955 /* If nothing is recognized... */ 2956 #if 0 2957 if (IFM_SUBTYPE(ifmr->ifm_active) == 0) 2958 ifmr->ifm_active |= IFM_UNKNOWN; 2959 #endif 2960 2961 ifp->if_baudrate = ifmedia_baudrate(ifmr->ifm_active); 2962 2963 /* Display current flow control setting used on link */ 2964 if (hw->fc.current_mode == ixgbe_fc_rx_pause || 2965 hw->fc.current_mode == ixgbe_fc_full) 2966 ifmr->ifm_active |= IFM_ETH_RXPAUSE; 2967 if (hw->fc.current_mode == ixgbe_fc_tx_pause || 2968 hw->fc.current_mode == ixgbe_fc_full) 2969 ifmr->ifm_active |= IFM_ETH_TXPAUSE; 2970 2971 return; 2972 } /* ixgbe_media_status */ 2973 2974 /************************************************************************ 2975 * ixgbe_media_change - Media Ioctl callback 2976 * 2977 * Called when the user changes speed/duplex using 2978 * media/mediopt option with ifconfig. 2979 ************************************************************************/ 2980 static int 2981 ixgbe_media_change(struct ifnet *ifp) 2982 { 2983 struct adapter *adapter = ifp->if_softc; 2984 struct ifmedia *ifm = &adapter->media; 2985 struct ixgbe_hw *hw = &adapter->hw; 2986 ixgbe_link_speed speed = 0; 2987 ixgbe_link_speed link_caps = 0; 2988 bool negotiate = false; 2989 s32 err = IXGBE_NOT_IMPLEMENTED; 2990 2991 INIT_DEBUGOUT("ixgbe_media_change: begin"); 2992 2993 if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER) 2994 return (EINVAL); 2995 2996 if (hw->phy.media_type == ixgbe_media_type_backplane) 2997 return (EPERM); 2998 2999 /* 3000 * We don't actually need to check against the supported 3001 * media types of the adapter; ifmedia will take care of 3002 * that for us. 3003 */ 3004 switch (IFM_SUBTYPE(ifm->ifm_media)) { 3005 case IFM_AUTO: 3006 err = hw->mac.ops.get_link_capabilities(hw, &link_caps, 3007 &negotiate); 3008 if (err != IXGBE_SUCCESS) { 3009 device_printf(adapter->dev, "Unable to determine " 3010 "supported advertise speeds\n"); 3011 return (ENODEV); 3012 } 3013 speed |= link_caps; 3014 break; 3015 case IFM_10G_T: 3016 case IFM_10G_LRM: 3017 case IFM_10G_LR: 3018 case IFM_10G_TWINAX: 3019 case IFM_10G_SR: 3020 case IFM_10G_CX4: 3021 case IFM_10G_KR: 3022 case IFM_10G_KX4: 3023 speed |= IXGBE_LINK_SPEED_10GB_FULL; 3024 break; 3025 case IFM_5000_T: 3026 speed |= IXGBE_LINK_SPEED_5GB_FULL; 3027 break; 3028 case IFM_2500_T: 3029 case IFM_2500_KX: 3030 speed |= IXGBE_LINK_SPEED_2_5GB_FULL; 3031 break; 3032 case IFM_1000_T: 3033 case IFM_1000_LX: 3034 case IFM_1000_SX: 3035 case IFM_1000_KX: 3036 speed |= IXGBE_LINK_SPEED_1GB_FULL; 3037 break; 3038 case IFM_100_TX: 3039 speed |= IXGBE_LINK_SPEED_100_FULL; 3040 break; 3041 case IFM_10_T: 3042 speed |= IXGBE_LINK_SPEED_10_FULL; 3043 break; 3044 case IFM_NONE: 3045 break; 3046 default: 3047 goto invalid; 3048 } 3049 3050 hw->mac.autotry_restart = TRUE; 3051 hw->mac.ops.setup_link(hw, speed, TRUE); 3052 adapter->advertise = 0; 3053 if (IFM_SUBTYPE(ifm->ifm_media) != IFM_AUTO) { 3054 if ((speed & IXGBE_LINK_SPEED_10GB_FULL) != 0) 3055 adapter->advertise |= 1 << 2; 3056 if ((speed & IXGBE_LINK_SPEED_1GB_FULL) != 0) 3057 adapter->advertise |= 1 << 1; 3058 if ((speed & IXGBE_LINK_SPEED_100_FULL) != 0) 3059 adapter->advertise |= 1 << 0; 3060 if ((speed & IXGBE_LINK_SPEED_10_FULL) != 0) 3061 adapter->advertise |= 1 << 3; 3062 if ((speed & IXGBE_LINK_SPEED_2_5GB_FULL) != 0) 3063 adapter->advertise |= 1 << 4; 3064 if ((speed & IXGBE_LINK_SPEED_5GB_FULL) != 0) 3065 adapter->advertise |= 1 << 5; 3066 } 3067 3068 return (0); 3069 3070 invalid: 3071 device_printf(adapter->dev, "Invalid media type!\n"); 3072 3073 return (EINVAL); 3074 } /* ixgbe_media_change */ 3075 3076 /************************************************************************ 3077 * ixgbe_msix_admin - Link status change ISR (MSI/MSI-X) 3078 ************************************************************************/ 3079 static int 3080 ixgbe_msix_admin(void *arg) 3081 { 3082 struct adapter *adapter = arg; 3083 struct ixgbe_hw *hw = &adapter->hw; 3084 u32 eicr, eicr_mask; 3085 u32 task_requests = 0; 3086 s32 retval; 3087 3088 ++adapter->admin_irqev.ev_count; 3089 3090 /* Pause other interrupts */ 3091 IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_EIMC_OTHER); 3092 3093 /* First get the cause */ 3094 /* 3095 * The specifications of 82598, 82599, X540 and X550 say EICS register 3096 * is write only. However, Linux says it is a workaround for silicon 3097 * errata to read EICS instead of EICR to get interrupt cause. It seems 3098 * there is a problem about read clear mechanism for EICR register. 3099 */ 3100 eicr = IXGBE_READ_REG(hw, IXGBE_EICS); 3101 /* Be sure the queue bits are not cleared */ 3102 eicr &= ~IXGBE_EICR_RTX_QUEUE; 3103 /* Clear interrupt with write */ 3104 IXGBE_WRITE_REG(hw, IXGBE_EICR, eicr); 3105 3106 if (ixgbe_is_sfp(hw)) { 3107 /* Pluggable optics-related interrupt */ 3108 if (hw->mac.type >= ixgbe_mac_X540) 3109 eicr_mask = IXGBE_EICR_GPI_SDP0_X540; 3110 else 3111 eicr_mask = IXGBE_EICR_GPI_SDP2_BY_MAC(hw); 3112 3113 /* 3114 * An interrupt might not arrive when a module is inserted. 3115 * When an link status change interrupt occurred and the driver 3116 * still regard SFP as unplugged, issue the module softint 3117 * and then issue LSC interrupt. 3118 */ 3119 if ((eicr & eicr_mask) 3120 || ((hw->phy.sfp_type == ixgbe_sfp_type_not_present) 3121 && (eicr & IXGBE_EICR_LSC))) { 3122 IXGBE_WRITE_REG(hw, IXGBE_EICR, eicr_mask); 3123 task_requests |= IXGBE_REQUEST_TASK_MOD; 3124 } 3125 3126 if ((hw->mac.type == ixgbe_mac_82599EB) && 3127 (eicr & IXGBE_EICR_GPI_SDP1_BY_MAC(hw))) { 3128 IXGBE_WRITE_REG(hw, IXGBE_EICR, 3129 IXGBE_EICR_GPI_SDP1_BY_MAC(hw)); 3130 task_requests |= IXGBE_REQUEST_TASK_MSF; 3131 } 3132 } 3133 3134 /* Link status change */ 3135 if (eicr & IXGBE_EICR_LSC) { 3136 IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_EIMC_LSC); 3137 task_requests |= IXGBE_REQUEST_TASK_LSC; 3138 } 3139 3140 if (adapter->hw.mac.type != ixgbe_mac_82598EB) { 3141 if ((adapter->feat_en & IXGBE_FEATURE_FDIR) && 3142 (eicr & IXGBE_EICR_FLOW_DIR)) { 3143 /* This is probably overkill :) */ 3144 if (!atomic_cas_uint(&adapter->fdir_reinit, 0, 1)) 3145 return 1; 3146 /* Disable the interrupt */ 3147 IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_EIMC_FLOW_DIR); 3148 task_requests |= IXGBE_REQUEST_TASK_FDIR; 3149 } 3150 3151 if (eicr & IXGBE_EICR_ECC) { 3152 device_printf(adapter->dev, 3153 "CRITICAL: ECC ERROR!! Please Reboot!!\n"); 3154 IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_ECC); 3155 } 3156 3157 /* Check for over temp condition */ 3158 if (adapter->feat_en & IXGBE_FEATURE_TEMP_SENSOR) { 3159 switch (adapter->hw.mac.type) { 3160 case ixgbe_mac_X550EM_a: 3161 if (!(eicr & IXGBE_EICR_GPI_SDP0_X550EM_a)) 3162 break; 3163 IXGBE_WRITE_REG(hw, IXGBE_EIMC, 3164 IXGBE_EICR_GPI_SDP0_X550EM_a); 3165 IXGBE_WRITE_REG(hw, IXGBE_EICR, 3166 IXGBE_EICR_GPI_SDP0_X550EM_a); 3167 retval = hw->phy.ops.check_overtemp(hw); 3168 if (retval != IXGBE_ERR_OVERTEMP) 3169 break; 3170 device_printf(adapter->dev, "CRITICAL: OVER TEMP!! PHY IS SHUT DOWN!!\n"); 3171 device_printf(adapter->dev, "System shutdown required!\n"); 3172 break; 3173 default: 3174 if (!(eicr & IXGBE_EICR_TS)) 3175 break; 3176 retval = hw->phy.ops.check_overtemp(hw); 3177 if (retval != IXGBE_ERR_OVERTEMP) 3178 break; 3179 device_printf(adapter->dev, "CRITICAL: OVER TEMP!! PHY IS SHUT DOWN!!\n"); 3180 device_printf(adapter->dev, "System shutdown required!\n"); 3181 IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_TS); 3182 break; 3183 } 3184 } 3185 3186 /* Check for VF message */ 3187 if ((adapter->feat_en & IXGBE_FEATURE_SRIOV) && 3188 (eicr & IXGBE_EICR_MAILBOX)) { 3189 task_requests |= IXGBE_REQUEST_TASK_MBX; 3190 } 3191 } 3192 3193 /* Check for fan failure */ 3194 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) { 3195 ixgbe_check_fan_failure(adapter, eicr, TRUE); 3196 IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_GPI_SDP1_BY_MAC(hw)); 3197 } 3198 3199 /* External PHY interrupt */ 3200 if ((hw->phy.type == ixgbe_phy_x550em_ext_t) && 3201 (eicr & IXGBE_EICR_GPI_SDP0_X540)) { 3202 IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_GPI_SDP0_X540); 3203 task_requests |= IXGBE_REQUEST_TASK_PHY; 3204 } 3205 3206 if (task_requests != 0) { 3207 /* Re-enabling other interrupts is done in the admin task */ 3208 task_requests |= IXGBE_REQUEST_TASK_NEED_ACKINTR; 3209 atomic_or_32(&adapter->task_requests, task_requests); 3210 ixgbe_schedule_admin_tasklet(adapter); 3211 } else { 3212 /* Re-enable other interrupts */ 3213 IXGBE_WRITE_REG(hw, IXGBE_EIMS, IXGBE_EIMS_OTHER); 3214 } 3215 3216 return 1; 3217 } /* ixgbe_msix_admin */ 3218 3219 static void 3220 ixgbe_eitr_write(struct adapter *adapter, uint32_t index, uint32_t itr) 3221 { 3222 3223 if (adapter->hw.mac.type == ixgbe_mac_82598EB) 3224 itr |= itr << 16; 3225 else 3226 itr |= IXGBE_EITR_CNT_WDIS; 3227 3228 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EITR(index), itr); 3229 } 3230 3231 3232 /************************************************************************ 3233 * ixgbe_sysctl_interrupt_rate_handler 3234 ************************************************************************/ 3235 static int 3236 ixgbe_sysctl_interrupt_rate_handler(SYSCTLFN_ARGS) 3237 { 3238 struct sysctlnode node = *rnode; 3239 struct ix_queue *que = (struct ix_queue *)node.sysctl_data; 3240 struct adapter *adapter; 3241 uint32_t reg, usec, rate; 3242 int error; 3243 3244 if (que == NULL) 3245 return 0; 3246 3247 adapter = que->adapter; 3248 if (ixgbe_fw_recovery_mode_swflag(adapter)) 3249 return (EPERM); 3250 3251 reg = IXGBE_READ_REG(&adapter->hw, IXGBE_EITR(que->msix)); 3252 usec = ((reg & 0x0FF8) >> 3); 3253 if (usec > 0) 3254 rate = 500000 / usec; 3255 else 3256 rate = 0; 3257 node.sysctl_data = &rate; 3258 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 3259 if (error || newp == NULL) 3260 return error; 3261 reg &= ~0xfff; /* default, no limitation */ 3262 if (rate > 0 && rate < 500000) { 3263 if (rate < 1000) 3264 rate = 1000; 3265 reg |= ((4000000 / rate) & 0xff8); 3266 /* 3267 * When RSC is used, ITR interval must be larger than 3268 * RSC_DELAY. Currently, we use 2us for RSC_DELAY. 3269 * The minimum value is always greater than 2us on 100M 3270 * (and 10M?(not documented)), but it's not on 1G and higher. 3271 */ 3272 if ((adapter->link_speed != IXGBE_LINK_SPEED_100_FULL) 3273 && (adapter->link_speed != IXGBE_LINK_SPEED_10_FULL)) { 3274 if ((adapter->num_queues > 1) 3275 && (reg < IXGBE_MIN_RSC_EITR_10G1G)) 3276 return EINVAL; 3277 } 3278 ixgbe_max_interrupt_rate = rate; 3279 } else 3280 ixgbe_max_interrupt_rate = 0; 3281 ixgbe_eitr_write(adapter, que->msix, reg); 3282 3283 return (0); 3284 } /* ixgbe_sysctl_interrupt_rate_handler */ 3285 3286 const struct sysctlnode * 3287 ixgbe_sysctl_instance(struct adapter *adapter) 3288 { 3289 const char *dvname; 3290 struct sysctllog **log; 3291 int rc; 3292 const struct sysctlnode *rnode; 3293 3294 if (adapter->sysctltop != NULL) 3295 return adapter->sysctltop; 3296 3297 log = &adapter->sysctllog; 3298 dvname = device_xname(adapter->dev); 3299 3300 if ((rc = sysctl_createv(log, 0, NULL, &rnode, 3301 0, CTLTYPE_NODE, dvname, 3302 SYSCTL_DESCR("ixgbe information and settings"), 3303 NULL, 0, NULL, 0, CTL_HW, CTL_CREATE, CTL_EOL)) != 0) 3304 goto err; 3305 3306 return rnode; 3307 err: 3308 device_printf(adapter->dev, 3309 "%s: sysctl_createv failed, rc = %d\n", __func__, rc); 3310 return NULL; 3311 } 3312 3313 /************************************************************************ 3314 * ixgbe_add_device_sysctls 3315 ************************************************************************/ 3316 static void 3317 ixgbe_add_device_sysctls(struct adapter *adapter) 3318 { 3319 device_t dev = adapter->dev; 3320 struct ixgbe_hw *hw = &adapter->hw; 3321 struct sysctllog **log; 3322 const struct sysctlnode *rnode, *cnode; 3323 3324 log = &adapter->sysctllog; 3325 3326 if ((rnode = ixgbe_sysctl_instance(adapter)) == NULL) { 3327 aprint_error_dev(dev, "could not create sysctl root\n"); 3328 return; 3329 } 3330 3331 if (sysctl_createv(log, 0, &rnode, &cnode, 3332 CTLFLAG_READWRITE, CTLTYPE_INT, 3333 "debug", SYSCTL_DESCR("Debug Info"), 3334 ixgbe_sysctl_debug, 0, (void *)adapter, 0, CTL_CREATE, CTL_EOL) != 0) 3335 aprint_error_dev(dev, "could not create sysctl\n"); 3336 3337 if (sysctl_createv(log, 0, &rnode, &cnode, 3338 CTLFLAG_READONLY, CTLTYPE_INT, 3339 "num_rx_desc", SYSCTL_DESCR("Number of rx descriptors"), 3340 NULL, 0, &adapter->num_rx_desc, 0, CTL_CREATE, CTL_EOL) != 0) 3341 aprint_error_dev(dev, "could not create sysctl\n"); 3342 3343 if (sysctl_createv(log, 0, &rnode, &cnode, 3344 CTLFLAG_READONLY, CTLTYPE_INT, 3345 "num_queues", SYSCTL_DESCR("Number of queues"), 3346 NULL, 0, &adapter->num_queues, 0, CTL_CREATE, CTL_EOL) != 0) 3347 aprint_error_dev(dev, "could not create sysctl\n"); 3348 3349 /* Sysctls for all devices */ 3350 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3351 CTLTYPE_INT, "fc", SYSCTL_DESCR(IXGBE_SYSCTL_DESC_SET_FC), 3352 ixgbe_sysctl_flowcntl, 0, (void *)adapter, 0, CTL_CREATE, 3353 CTL_EOL) != 0) 3354 aprint_error_dev(dev, "could not create sysctl\n"); 3355 3356 adapter->enable_aim = ixgbe_enable_aim; 3357 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3358 CTLTYPE_BOOL, "enable_aim", SYSCTL_DESCR("Interrupt Moderation"), 3359 NULL, 0, &adapter->enable_aim, 0, CTL_CREATE, CTL_EOL) != 0) 3360 aprint_error_dev(dev, "could not create sysctl\n"); 3361 3362 if (sysctl_createv(log, 0, &rnode, &cnode, 3363 CTLFLAG_READWRITE, CTLTYPE_INT, 3364 "advertise_speed", SYSCTL_DESCR(IXGBE_SYSCTL_DESC_ADV_SPEED), 3365 ixgbe_sysctl_advertise, 0, (void *)adapter, 0, CTL_CREATE, 3366 CTL_EOL) != 0) 3367 aprint_error_dev(dev, "could not create sysctl\n"); 3368 3369 /* 3370 * If each "que->txrx_use_workqueue" is changed in sysctl handler, 3371 * it causesflip-flopping softint/workqueue mode in one deferred 3372 * processing. Therefore, preempt_disable()/preempt_enable() are 3373 * required in ixgbe_sched_handle_que() to avoid 3374 * KASSERT(ixgbe_sched_handle_que()) in softint_schedule(). 3375 * I think changing "que->txrx_use_workqueue" in interrupt handler 3376 * is lighter than doing preempt_disable()/preempt_enable() in every 3377 * ixgbe_sched_handle_que(). 3378 */ 3379 adapter->txrx_use_workqueue = ixgbe_txrx_workqueue; 3380 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3381 CTLTYPE_BOOL, "txrx_workqueue", SYSCTL_DESCR("Use workqueue for packet processing"), 3382 NULL, 0, &adapter->txrx_use_workqueue, 0, CTL_CREATE, CTL_EOL) != 0) 3383 aprint_error_dev(dev, "could not create sysctl\n"); 3384 3385 #ifdef IXGBE_DEBUG 3386 /* testing sysctls (for all devices) */ 3387 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3388 CTLTYPE_INT, "power_state", SYSCTL_DESCR("PCI Power State"), 3389 ixgbe_sysctl_power_state, 0, (void *)adapter, 0, CTL_CREATE, 3390 CTL_EOL) != 0) 3391 aprint_error_dev(dev, "could not create sysctl\n"); 3392 3393 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READONLY, 3394 CTLTYPE_STRING, "print_rss_config", 3395 SYSCTL_DESCR("Prints RSS Configuration"), 3396 ixgbe_sysctl_print_rss_config, 0, (void *)adapter, 0, CTL_CREATE, 3397 CTL_EOL) != 0) 3398 aprint_error_dev(dev, "could not create sysctl\n"); 3399 #endif 3400 /* for X550 series devices */ 3401 if (hw->mac.type >= ixgbe_mac_X550) 3402 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3403 CTLTYPE_INT, "dmac", SYSCTL_DESCR("DMA Coalesce"), 3404 ixgbe_sysctl_dmac, 0, (void *)adapter, 0, CTL_CREATE, 3405 CTL_EOL) != 0) 3406 aprint_error_dev(dev, "could not create sysctl\n"); 3407 3408 /* for WoL-capable devices */ 3409 if (adapter->wol_support) { 3410 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3411 CTLTYPE_BOOL, "wol_enable", 3412 SYSCTL_DESCR("Enable/Disable Wake on LAN"), 3413 ixgbe_sysctl_wol_enable, 0, (void *)adapter, 0, CTL_CREATE, 3414 CTL_EOL) != 0) 3415 aprint_error_dev(dev, "could not create sysctl\n"); 3416 3417 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3418 CTLTYPE_INT, "wufc", 3419 SYSCTL_DESCR("Enable/Disable Wake Up Filters"), 3420 ixgbe_sysctl_wufc, 0, (void *)adapter, 0, CTL_CREATE, 3421 CTL_EOL) != 0) 3422 aprint_error_dev(dev, "could not create sysctl\n"); 3423 } 3424 3425 /* for X552/X557-AT devices */ 3426 if (hw->device_id == IXGBE_DEV_ID_X550EM_X_10G_T) { 3427 const struct sysctlnode *phy_node; 3428 3429 if (sysctl_createv(log, 0, &rnode, &phy_node, 0, CTLTYPE_NODE, 3430 "phy", SYSCTL_DESCR("External PHY sysctls"), 3431 NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL) != 0) { 3432 aprint_error_dev(dev, "could not create sysctl\n"); 3433 return; 3434 } 3435 3436 if (sysctl_createv(log, 0, &phy_node, &cnode, CTLFLAG_READONLY, 3437 CTLTYPE_INT, "temp", 3438 SYSCTL_DESCR("Current External PHY Temperature (Celsius)"), 3439 ixgbe_sysctl_phy_temp, 0, (void *)adapter, 0, CTL_CREATE, 3440 CTL_EOL) != 0) 3441 aprint_error_dev(dev, "could not create sysctl\n"); 3442 3443 if (sysctl_createv(log, 0, &phy_node, &cnode, CTLFLAG_READONLY, 3444 CTLTYPE_INT, "overtemp_occurred", 3445 SYSCTL_DESCR("External PHY High Temperature Event Occurred"), 3446 ixgbe_sysctl_phy_overtemp_occurred, 0, (void *)adapter, 0, 3447 CTL_CREATE, CTL_EOL) != 0) 3448 aprint_error_dev(dev, "could not create sysctl\n"); 3449 } 3450 3451 if ((hw->mac.type == ixgbe_mac_X550EM_a) 3452 && (hw->phy.type == ixgbe_phy_fw)) 3453 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3454 CTLTYPE_BOOL, "force_10_100_autonego", 3455 SYSCTL_DESCR("Force autonego on 10M and 100M"), 3456 NULL, 0, &hw->phy.force_10_100_autonego, 0, 3457 CTL_CREATE, CTL_EOL) != 0) 3458 aprint_error_dev(dev, "could not create sysctl\n"); 3459 3460 if (adapter->feat_cap & IXGBE_FEATURE_EEE) { 3461 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3462 CTLTYPE_INT, "eee_state", 3463 SYSCTL_DESCR("EEE Power Save State"), 3464 ixgbe_sysctl_eee_state, 0, (void *)adapter, 0, CTL_CREATE, 3465 CTL_EOL) != 0) 3466 aprint_error_dev(dev, "could not create sysctl\n"); 3467 } 3468 } /* ixgbe_add_device_sysctls */ 3469 3470 /************************************************************************ 3471 * ixgbe_allocate_pci_resources 3472 ************************************************************************/ 3473 static int 3474 ixgbe_allocate_pci_resources(struct adapter *adapter, 3475 const struct pci_attach_args *pa) 3476 { 3477 pcireg_t memtype, csr; 3478 device_t dev = adapter->dev; 3479 bus_addr_t addr; 3480 int flags; 3481 3482 memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, PCI_BAR(0)); 3483 switch (memtype) { 3484 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT: 3485 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT: 3486 adapter->osdep.mem_bus_space_tag = pa->pa_memt; 3487 if (pci_mapreg_info(pa->pa_pc, pa->pa_tag, PCI_BAR(0), 3488 memtype, &addr, &adapter->osdep.mem_size, &flags) != 0) 3489 goto map_err; 3490 if ((flags & BUS_SPACE_MAP_PREFETCHABLE) != 0) { 3491 aprint_normal_dev(dev, "clearing prefetchable bit\n"); 3492 flags &= ~BUS_SPACE_MAP_PREFETCHABLE; 3493 } 3494 if (bus_space_map(adapter->osdep.mem_bus_space_tag, addr, 3495 adapter->osdep.mem_size, flags, 3496 &adapter->osdep.mem_bus_space_handle) != 0) { 3497 map_err: 3498 adapter->osdep.mem_size = 0; 3499 aprint_error_dev(dev, "unable to map BAR0\n"); 3500 return ENXIO; 3501 } 3502 /* 3503 * Enable address decoding for memory range in case BIOS or 3504 * UEFI don't set it. 3505 */ 3506 csr = pci_conf_read(pa->pa_pc, pa->pa_tag, 3507 PCI_COMMAND_STATUS_REG); 3508 csr |= PCI_COMMAND_MEM_ENABLE; 3509 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 3510 csr); 3511 break; 3512 default: 3513 aprint_error_dev(dev, "unexpected type on BAR0\n"); 3514 return ENXIO; 3515 } 3516 3517 return (0); 3518 } /* ixgbe_allocate_pci_resources */ 3519 3520 static void 3521 ixgbe_free_workqueue(struct adapter *adapter) 3522 { 3523 struct ix_queue *que = adapter->queues; 3524 struct tx_ring *txr = adapter->tx_rings; 3525 int i; 3526 3527 for (i = 0; i < adapter->num_queues; i++, que++, txr++) { 3528 if (!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX)) { 3529 if (txr->txr_si != NULL) 3530 softint_disestablish(txr->txr_si); 3531 } 3532 if (que->que_si != NULL) 3533 softint_disestablish(que->que_si); 3534 } 3535 if (adapter->txr_wq != NULL) 3536 workqueue_destroy(adapter->txr_wq); 3537 if (adapter->txr_wq_enqueued != NULL) 3538 percpu_free(adapter->txr_wq_enqueued, sizeof(u_int)); 3539 if (adapter->que_wq != NULL) 3540 workqueue_destroy(adapter->que_wq); 3541 3542 if (adapter->admin_wq != NULL) { 3543 workqueue_destroy(adapter->admin_wq); 3544 adapter->admin_wq = NULL; 3545 } 3546 if (adapter->timer_wq != NULL) { 3547 workqueue_destroy(adapter->timer_wq); 3548 adapter->timer_wq = NULL; 3549 } 3550 if (adapter->recovery_mode_timer_wq != NULL) { 3551 /* 3552 * ixgbe_ifstop() doesn't call the workqueue_wait() for 3553 * the recovery_mode_timer workqueue, so call it here. 3554 */ 3555 workqueue_wait(adapter->recovery_mode_timer_wq, 3556 &adapter->recovery_mode_timer_wc); 3557 atomic_store_relaxed(&adapter->recovery_mode_timer_pending, 0); 3558 workqueue_destroy(adapter->recovery_mode_timer_wq); 3559 adapter->recovery_mode_timer_wq = NULL; 3560 } 3561 } /* ixgbe_free_workqueue */ 3562 3563 /************************************************************************ 3564 * ixgbe_detach - Device removal routine 3565 * 3566 * Called when the driver is being removed. 3567 * Stops the adapter and deallocates all the resources 3568 * that were allocated for driver operation. 3569 * 3570 * return 0 on success, positive on failure 3571 ************************************************************************/ 3572 static int 3573 ixgbe_detach(device_t dev, int flags) 3574 { 3575 struct adapter *adapter = device_private(dev); 3576 struct rx_ring *rxr = adapter->rx_rings; 3577 struct tx_ring *txr = adapter->tx_rings; 3578 struct ixgbe_hw *hw = &adapter->hw; 3579 struct ixgbe_hw_stats *stats = &adapter->stats.pf; 3580 u32 ctrl_ext; 3581 int i; 3582 3583 INIT_DEBUGOUT("ixgbe_detach: begin"); 3584 if (adapter->osdep.attached == false) 3585 return 0; 3586 3587 if (ixgbe_pci_iov_detach(dev) != 0) { 3588 device_printf(dev, "SR-IOV in use; detach first.\n"); 3589 return (EBUSY); 3590 } 3591 3592 #if NVLAN > 0 3593 /* Make sure VLANs are not using driver */ 3594 if (!VLAN_ATTACHED(&adapter->osdep.ec)) 3595 ; /* nothing to do: no VLANs */ 3596 else if ((flags & (DETACH_SHUTDOWN | DETACH_FORCE)) != 0) 3597 vlan_ifdetach(adapter->ifp); 3598 else { 3599 aprint_error_dev(dev, "VLANs in use, detach first\n"); 3600 return (EBUSY); 3601 } 3602 #endif 3603 3604 adapter->osdep.detaching = true; 3605 /* 3606 * Stop the interface. ixgbe_setup_low_power_mode() calls 3607 * ixgbe_ifstop(), so it's not required to call ixgbe_ifstop() 3608 * directly. 3609 */ 3610 ixgbe_setup_low_power_mode(adapter); 3611 3612 callout_halt(&adapter->timer, NULL); 3613 if (adapter->feat_en & IXGBE_FEATURE_RECOVERY_MODE) { 3614 callout_stop(&adapter->recovery_mode_timer); 3615 callout_halt(&adapter->recovery_mode_timer, NULL); 3616 } 3617 3618 workqueue_wait(adapter->admin_wq, &adapter->admin_wc); 3619 atomic_store_relaxed(&adapter->admin_pending, 0); 3620 workqueue_wait(adapter->timer_wq, &adapter->timer_wc); 3621 atomic_store_relaxed(&adapter->timer_pending, 0); 3622 3623 pmf_device_deregister(dev); 3624 3625 ether_ifdetach(adapter->ifp); 3626 3627 ixgbe_free_workqueue(adapter); 3628 3629 /* let hardware know driver is unloading */ 3630 ctrl_ext = IXGBE_READ_REG(&adapter->hw, IXGBE_CTRL_EXT); 3631 ctrl_ext &= ~IXGBE_CTRL_EXT_DRV_LOAD; 3632 IXGBE_WRITE_REG(&adapter->hw, IXGBE_CTRL_EXT, ctrl_ext); 3633 3634 if (adapter->feat_en & IXGBE_FEATURE_NETMAP) 3635 netmap_detach(adapter->ifp); 3636 3637 ixgbe_free_pci_resources(adapter); 3638 #if 0 /* XXX the NetBSD port is probably missing something here */ 3639 bus_generic_detach(dev); 3640 #endif 3641 if_detach(adapter->ifp); 3642 ifmedia_fini(&adapter->media); 3643 if_percpuq_destroy(adapter->ipq); 3644 3645 sysctl_teardown(&adapter->sysctllog); 3646 evcnt_detach(&adapter->efbig_tx_dma_setup); 3647 evcnt_detach(&adapter->mbuf_defrag_failed); 3648 evcnt_detach(&adapter->efbig2_tx_dma_setup); 3649 evcnt_detach(&adapter->einval_tx_dma_setup); 3650 evcnt_detach(&adapter->other_tx_dma_setup); 3651 evcnt_detach(&adapter->eagain_tx_dma_setup); 3652 evcnt_detach(&adapter->enomem_tx_dma_setup); 3653 evcnt_detach(&adapter->watchdog_events); 3654 evcnt_detach(&adapter->tso_err); 3655 evcnt_detach(&adapter->admin_irqev); 3656 evcnt_detach(&adapter->link_workev); 3657 evcnt_detach(&adapter->mod_workev); 3658 evcnt_detach(&adapter->msf_workev); 3659 evcnt_detach(&adapter->phy_workev); 3660 3661 for (i = 0; i < IXGBE_TC_COUNTER_NUM; i++) { 3662 if (i < __arraycount(stats->mpc)) { 3663 evcnt_detach(&stats->mpc[i]); 3664 if (hw->mac.type == ixgbe_mac_82598EB) 3665 evcnt_detach(&stats->rnbc[i]); 3666 } 3667 if (i < __arraycount(stats->pxontxc)) { 3668 evcnt_detach(&stats->pxontxc[i]); 3669 evcnt_detach(&stats->pxonrxc[i]); 3670 evcnt_detach(&stats->pxofftxc[i]); 3671 evcnt_detach(&stats->pxoffrxc[i]); 3672 if (hw->mac.type >= ixgbe_mac_82599EB) 3673 evcnt_detach(&stats->pxon2offc[i]); 3674 } 3675 } 3676 3677 txr = adapter->tx_rings; 3678 for (i = 0; i < adapter->num_queues; i++, rxr++, txr++) { 3679 evcnt_detach(&adapter->queues[i].irqs); 3680 evcnt_detach(&adapter->queues[i].handleq); 3681 evcnt_detach(&adapter->queues[i].req); 3682 evcnt_detach(&txr->no_desc_avail); 3683 evcnt_detach(&txr->total_packets); 3684 evcnt_detach(&txr->tso_tx); 3685 #ifndef IXGBE_LEGACY_TX 3686 evcnt_detach(&txr->pcq_drops); 3687 #endif 3688 3689 if (i < __arraycount(stats->qprc)) { 3690 evcnt_detach(&stats->qprc[i]); 3691 evcnt_detach(&stats->qptc[i]); 3692 evcnt_detach(&stats->qbrc[i]); 3693 evcnt_detach(&stats->qbtc[i]); 3694 if (hw->mac.type >= ixgbe_mac_82599EB) 3695 evcnt_detach(&stats->qprdc[i]); 3696 } 3697 3698 evcnt_detach(&rxr->rx_packets); 3699 evcnt_detach(&rxr->rx_bytes); 3700 evcnt_detach(&rxr->rx_copies); 3701 evcnt_detach(&rxr->no_jmbuf); 3702 evcnt_detach(&rxr->rx_discarded); 3703 } 3704 evcnt_detach(&stats->ipcs); 3705 evcnt_detach(&stats->l4cs); 3706 evcnt_detach(&stats->ipcs_bad); 3707 evcnt_detach(&stats->l4cs_bad); 3708 evcnt_detach(&stats->intzero); 3709 evcnt_detach(&stats->legint); 3710 evcnt_detach(&stats->crcerrs); 3711 evcnt_detach(&stats->illerrc); 3712 evcnt_detach(&stats->errbc); 3713 evcnt_detach(&stats->mspdc); 3714 if (hw->mac.type >= ixgbe_mac_X550) 3715 evcnt_detach(&stats->mbsdc); 3716 evcnt_detach(&stats->mpctotal); 3717 evcnt_detach(&stats->mlfc); 3718 evcnt_detach(&stats->mrfc); 3719 evcnt_detach(&stats->rlec); 3720 evcnt_detach(&stats->lxontxc); 3721 evcnt_detach(&stats->lxonrxc); 3722 evcnt_detach(&stats->lxofftxc); 3723 evcnt_detach(&stats->lxoffrxc); 3724 3725 /* Packet Reception Stats */ 3726 evcnt_detach(&stats->tor); 3727 evcnt_detach(&stats->gorc); 3728 evcnt_detach(&stats->tpr); 3729 evcnt_detach(&stats->gprc); 3730 evcnt_detach(&stats->mprc); 3731 evcnt_detach(&stats->bprc); 3732 evcnt_detach(&stats->prc64); 3733 evcnt_detach(&stats->prc127); 3734 evcnt_detach(&stats->prc255); 3735 evcnt_detach(&stats->prc511); 3736 evcnt_detach(&stats->prc1023); 3737 evcnt_detach(&stats->prc1522); 3738 evcnt_detach(&stats->ruc); 3739 evcnt_detach(&stats->rfc); 3740 evcnt_detach(&stats->roc); 3741 evcnt_detach(&stats->rjc); 3742 evcnt_detach(&stats->mngprc); 3743 evcnt_detach(&stats->mngpdc); 3744 evcnt_detach(&stats->xec); 3745 3746 /* Packet Transmission Stats */ 3747 evcnt_detach(&stats->gotc); 3748 evcnt_detach(&stats->tpt); 3749 evcnt_detach(&stats->gptc); 3750 evcnt_detach(&stats->bptc); 3751 evcnt_detach(&stats->mptc); 3752 evcnt_detach(&stats->mngptc); 3753 evcnt_detach(&stats->ptc64); 3754 evcnt_detach(&stats->ptc127); 3755 evcnt_detach(&stats->ptc255); 3756 evcnt_detach(&stats->ptc511); 3757 evcnt_detach(&stats->ptc1023); 3758 evcnt_detach(&stats->ptc1522); 3759 3760 ixgbe_free_queues(adapter); 3761 free(adapter->mta, M_DEVBUF); 3762 3763 IXGBE_CORE_LOCK_DESTROY(adapter); 3764 3765 return (0); 3766 } /* ixgbe_detach */ 3767 3768 /************************************************************************ 3769 * ixgbe_setup_low_power_mode - LPLU/WoL preparation 3770 * 3771 * Prepare the adapter/port for LPLU and/or WoL 3772 ************************************************************************/ 3773 static int 3774 ixgbe_setup_low_power_mode(struct adapter *adapter) 3775 { 3776 struct ixgbe_hw *hw = &adapter->hw; 3777 device_t dev = adapter->dev; 3778 struct ifnet *ifp = adapter->ifp; 3779 s32 error = 0; 3780 3781 /* Limit power management flow to X550EM baseT */ 3782 if (hw->device_id == IXGBE_DEV_ID_X550EM_X_10G_T && 3783 hw->phy.ops.enter_lplu) { 3784 /* X550EM baseT adapters need a special LPLU flow */ 3785 hw->phy.reset_disable = true; 3786 ixgbe_ifstop(ifp, 1); 3787 error = hw->phy.ops.enter_lplu(hw); 3788 if (error) 3789 device_printf(dev, 3790 "Error entering LPLU: %d\n", error); 3791 hw->phy.reset_disable = false; 3792 } else { 3793 /* Just stop for other adapters */ 3794 ixgbe_ifstop(ifp, 1); 3795 } 3796 3797 IXGBE_CORE_LOCK(adapter); 3798 3799 if (!hw->wol_enabled) { 3800 ixgbe_set_phy_power(hw, FALSE); 3801 IXGBE_WRITE_REG(hw, IXGBE_WUFC, 0); 3802 IXGBE_WRITE_REG(hw, IXGBE_WUC, 0); 3803 } else { 3804 /* Turn off support for APM wakeup. (Using ACPI instead) */ 3805 IXGBE_WRITE_REG(hw, IXGBE_GRC_BY_MAC(hw), 3806 IXGBE_READ_REG(hw, IXGBE_GRC_BY_MAC(hw)) & ~(u32)2); 3807 3808 /* 3809 * Clear Wake Up Status register to prevent any previous wakeup 3810 * events from waking us up immediately after we suspend. 3811 */ 3812 IXGBE_WRITE_REG(hw, IXGBE_WUS, 0xffffffff); 3813 3814 /* 3815 * Program the Wakeup Filter Control register with user filter 3816 * settings 3817 */ 3818 IXGBE_WRITE_REG(hw, IXGBE_WUFC, adapter->wufc); 3819 3820 /* Enable wakeups and power management in Wakeup Control */ 3821 IXGBE_WRITE_REG(hw, IXGBE_WUC, 3822 IXGBE_WUC_WKEN | IXGBE_WUC_PME_EN); 3823 3824 } 3825 3826 IXGBE_CORE_UNLOCK(adapter); 3827 3828 return error; 3829 } /* ixgbe_setup_low_power_mode */ 3830 3831 /************************************************************************ 3832 * ixgbe_shutdown - Shutdown entry point 3833 ************************************************************************/ 3834 #if 0 /* XXX NetBSD ought to register something like this through pmf(9) */ 3835 static int 3836 ixgbe_shutdown(device_t dev) 3837 { 3838 struct adapter *adapter = device_private(dev); 3839 int error = 0; 3840 3841 INIT_DEBUGOUT("ixgbe_shutdown: begin"); 3842 3843 error = ixgbe_setup_low_power_mode(adapter); 3844 3845 return (error); 3846 } /* ixgbe_shutdown */ 3847 #endif 3848 3849 /************************************************************************ 3850 * ixgbe_suspend 3851 * 3852 * From D0 to D3 3853 ************************************************************************/ 3854 static bool 3855 ixgbe_suspend(device_t dev, const pmf_qual_t *qual) 3856 { 3857 struct adapter *adapter = device_private(dev); 3858 int error = 0; 3859 3860 INIT_DEBUGOUT("ixgbe_suspend: begin"); 3861 3862 error = ixgbe_setup_low_power_mode(adapter); 3863 3864 return (error); 3865 } /* ixgbe_suspend */ 3866 3867 /************************************************************************ 3868 * ixgbe_resume 3869 * 3870 * From D3 to D0 3871 ************************************************************************/ 3872 static bool 3873 ixgbe_resume(device_t dev, const pmf_qual_t *qual) 3874 { 3875 struct adapter *adapter = device_private(dev); 3876 struct ifnet *ifp = adapter->ifp; 3877 struct ixgbe_hw *hw = &adapter->hw; 3878 u32 wus; 3879 3880 INIT_DEBUGOUT("ixgbe_resume: begin"); 3881 3882 IXGBE_CORE_LOCK(adapter); 3883 3884 /* Read & clear WUS register */ 3885 wus = IXGBE_READ_REG(hw, IXGBE_WUS); 3886 if (wus) 3887 device_printf(dev, "Woken up by (WUS): %#010x\n", 3888 IXGBE_READ_REG(hw, IXGBE_WUS)); 3889 IXGBE_WRITE_REG(hw, IXGBE_WUS, 0xffffffff); 3890 /* And clear WUFC until next low-power transition */ 3891 IXGBE_WRITE_REG(hw, IXGBE_WUFC, 0); 3892 3893 /* 3894 * Required after D3->D0 transition; 3895 * will re-advertise all previous advertised speeds 3896 */ 3897 if (ifp->if_flags & IFF_UP) 3898 ixgbe_init_locked(adapter); 3899 3900 IXGBE_CORE_UNLOCK(adapter); 3901 3902 return true; 3903 } /* ixgbe_resume */ 3904 3905 /* 3906 * Set the various hardware offload abilities. 3907 * 3908 * This takes the ifnet's if_capenable flags (e.g. set by the user using 3909 * ifconfig) and indicates to the OS via the ifnet's if_hwassist field what 3910 * mbuf offload flags the driver will understand. 3911 */ 3912 static void 3913 ixgbe_set_if_hwassist(struct adapter *adapter) 3914 { 3915 /* XXX */ 3916 } 3917 3918 /************************************************************************ 3919 * ixgbe_init_locked - Init entry point 3920 * 3921 * Used in two ways: It is used by the stack as an init 3922 * entry point in network interface structure. It is also 3923 * used by the driver as a hw/sw initialization routine to 3924 * get to a consistent state. 3925 * 3926 * return 0 on success, positive on failure 3927 ************************************************************************/ 3928 static void 3929 ixgbe_init_locked(struct adapter *adapter) 3930 { 3931 struct ifnet *ifp = adapter->ifp; 3932 device_t dev = adapter->dev; 3933 struct ixgbe_hw *hw = &adapter->hw; 3934 struct ix_queue *que; 3935 struct tx_ring *txr; 3936 struct rx_ring *rxr; 3937 u32 txdctl, mhadd; 3938 u32 rxdctl, rxctrl; 3939 u32 ctrl_ext; 3940 bool unsupported_sfp = false; 3941 int i, j, err; 3942 3943 /* XXX check IFF_UP and IFF_RUNNING, power-saving state! */ 3944 3945 KASSERT(mutex_owned(&adapter->core_mtx)); 3946 INIT_DEBUGOUT("ixgbe_init_locked: begin"); 3947 3948 hw->need_unsupported_sfp_recovery = false; 3949 hw->adapter_stopped = FALSE; 3950 ixgbe_stop_adapter(hw); 3951 callout_stop(&adapter->timer); 3952 if (adapter->feat_en & IXGBE_FEATURE_RECOVERY_MODE) 3953 callout_stop(&adapter->recovery_mode_timer); 3954 for (i = 0, que = adapter->queues; i < adapter->num_queues; i++, que++) 3955 que->disabled_count = 0; 3956 3957 /* XXX I moved this here from the SIOCSIFMTU case in ixgbe_ioctl(). */ 3958 adapter->max_frame_size = 3959 ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN; 3960 3961 /* Queue indices may change with IOV mode */ 3962 ixgbe_align_all_queue_indices(adapter); 3963 3964 /* reprogram the RAR[0] in case user changed it. */ 3965 ixgbe_set_rar(hw, 0, hw->mac.addr, adapter->pool, IXGBE_RAH_AV); 3966 3967 /* Get the latest mac address, User can use a LAA */ 3968 memcpy(hw->mac.addr, CLLADDR(ifp->if_sadl), 3969 IXGBE_ETH_LENGTH_OF_ADDRESS); 3970 ixgbe_set_rar(hw, 0, hw->mac.addr, adapter->pool, 1); 3971 hw->addr_ctrl.rar_used_count = 1; 3972 3973 /* Set hardware offload abilities from ifnet flags */ 3974 ixgbe_set_if_hwassist(adapter); 3975 3976 /* Prepare transmit descriptors and buffers */ 3977 if (ixgbe_setup_transmit_structures(adapter)) { 3978 device_printf(dev, "Could not setup transmit structures\n"); 3979 ixgbe_stop_locked(adapter); 3980 return; 3981 } 3982 3983 ixgbe_init_hw(hw); 3984 3985 ixgbe_initialize_iov(adapter); 3986 3987 ixgbe_initialize_transmit_units(adapter); 3988 3989 /* Setup Multicast table */ 3990 ixgbe_set_rxfilter(adapter); 3991 3992 /* Determine the correct mbuf pool, based on frame size */ 3993 if (adapter->max_frame_size <= MCLBYTES) 3994 adapter->rx_mbuf_sz = MCLBYTES; 3995 else 3996 adapter->rx_mbuf_sz = MJUMPAGESIZE; 3997 3998 /* Prepare receive descriptors and buffers */ 3999 if (ixgbe_setup_receive_structures(adapter)) { 4000 device_printf(dev, "Could not setup receive structures\n"); 4001 ixgbe_stop_locked(adapter); 4002 return; 4003 } 4004 4005 /* Configure RX settings */ 4006 ixgbe_initialize_receive_units(adapter); 4007 4008 /* Initialize variable holding task enqueue requests interrupts */ 4009 adapter->task_requests = 0; 4010 4011 /* Enable SDP & MSI-X interrupts based on adapter */ 4012 ixgbe_config_gpie(adapter); 4013 4014 /* Set MTU size */ 4015 if (ifp->if_mtu > ETHERMTU) { 4016 /* aka IXGBE_MAXFRS on 82599 and newer */ 4017 mhadd = IXGBE_READ_REG(hw, IXGBE_MHADD); 4018 mhadd &= ~IXGBE_MHADD_MFS_MASK; 4019 mhadd |= adapter->max_frame_size << IXGBE_MHADD_MFS_SHIFT; 4020 IXGBE_WRITE_REG(hw, IXGBE_MHADD, mhadd); 4021 } 4022 4023 /* Now enable all the queues */ 4024 for (i = 0; i < adapter->num_queues; i++) { 4025 txr = &adapter->tx_rings[i]; 4026 txdctl = IXGBE_READ_REG(hw, IXGBE_TXDCTL(txr->me)); 4027 txdctl |= IXGBE_TXDCTL_ENABLE; 4028 /* Set WTHRESH to 8, burst writeback */ 4029 txdctl |= (8 << 16); 4030 /* 4031 * When the internal queue falls below PTHRESH (32), 4032 * start prefetching as long as there are at least 4033 * HTHRESH (1) buffers ready. The values are taken 4034 * from the Intel linux driver 3.8.21. 4035 * Prefetching enables tx line rate even with 1 queue. 4036 */ 4037 txdctl |= (32 << 0) | (1 << 8); 4038 IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(txr->me), txdctl); 4039 } 4040 4041 for (i = 0; i < adapter->num_queues; i++) { 4042 rxr = &adapter->rx_rings[i]; 4043 rxdctl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(rxr->me)); 4044 if (hw->mac.type == ixgbe_mac_82598EB) { 4045 /* 4046 * PTHRESH = 21 4047 * HTHRESH = 4 4048 * WTHRESH = 8 4049 */ 4050 rxdctl &= ~0x3FFFFF; 4051 rxdctl |= 0x080420; 4052 } 4053 rxdctl |= IXGBE_RXDCTL_ENABLE; 4054 IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(rxr->me), rxdctl); 4055 for (j = 0; j < 10; j++) { 4056 if (IXGBE_READ_REG(hw, IXGBE_RXDCTL(rxr->me)) & 4057 IXGBE_RXDCTL_ENABLE) 4058 break; 4059 else 4060 msec_delay(1); 4061 } 4062 IXGBE_WRITE_BARRIER(hw); 4063 4064 /* 4065 * In netmap mode, we must preserve the buffers made 4066 * available to userspace before the if_init() 4067 * (this is true by default on the TX side, because 4068 * init makes all buffers available to userspace). 4069 * 4070 * netmap_reset() and the device specific routines 4071 * (e.g. ixgbe_setup_receive_rings()) map these 4072 * buffers at the end of the NIC ring, so here we 4073 * must set the RDT (tail) register to make sure 4074 * they are not overwritten. 4075 * 4076 * In this driver the NIC ring starts at RDH = 0, 4077 * RDT points to the last slot available for reception (?), 4078 * so RDT = num_rx_desc - 1 means the whole ring is available. 4079 */ 4080 #ifdef DEV_NETMAP 4081 if ((adapter->feat_en & IXGBE_FEATURE_NETMAP) && 4082 (ifp->if_capenable & IFCAP_NETMAP)) { 4083 struct netmap_adapter *na = NA(adapter->ifp); 4084 struct netmap_kring *kring = na->rx_rings[i]; 4085 int t = na->num_rx_desc - 1 - nm_kr_rxspace(kring); 4086 4087 IXGBE_WRITE_REG(hw, IXGBE_RDT(rxr->me), t); 4088 } else 4089 #endif /* DEV_NETMAP */ 4090 IXGBE_WRITE_REG(hw, IXGBE_RDT(rxr->me), 4091 adapter->num_rx_desc - 1); 4092 } 4093 4094 /* Enable Receive engine */ 4095 rxctrl = IXGBE_READ_REG(hw, IXGBE_RXCTRL); 4096 if (hw->mac.type == ixgbe_mac_82598EB) 4097 rxctrl |= IXGBE_RXCTRL_DMBYPS; 4098 rxctrl |= IXGBE_RXCTRL_RXEN; 4099 ixgbe_enable_rx_dma(hw, rxctrl); 4100 4101 callout_reset(&adapter->timer, hz, ixgbe_local_timer, adapter); 4102 atomic_store_relaxed(&adapter->timer_pending, 0); 4103 if (adapter->feat_en & IXGBE_FEATURE_RECOVERY_MODE) 4104 callout_reset(&adapter->recovery_mode_timer, hz, 4105 ixgbe_recovery_mode_timer, adapter); 4106 4107 /* Set up MSI/MSI-X routing */ 4108 if (adapter->feat_en & IXGBE_FEATURE_MSIX) { 4109 ixgbe_configure_ivars(adapter); 4110 /* Set up auto-mask */ 4111 if (hw->mac.type == ixgbe_mac_82598EB) 4112 IXGBE_WRITE_REG(hw, IXGBE_EIAM, IXGBE_EICS_RTX_QUEUE); 4113 else { 4114 IXGBE_WRITE_REG(hw, IXGBE_EIAM_EX(0), 0xFFFFFFFF); 4115 IXGBE_WRITE_REG(hw, IXGBE_EIAM_EX(1), 0xFFFFFFFF); 4116 } 4117 } else { /* Simple settings for Legacy/MSI */ 4118 ixgbe_set_ivar(adapter, 0, 0, 0); 4119 ixgbe_set_ivar(adapter, 0, 0, 1); 4120 IXGBE_WRITE_REG(hw, IXGBE_EIAM, IXGBE_EICS_RTX_QUEUE); 4121 } 4122 4123 ixgbe_init_fdir(adapter); 4124 4125 /* 4126 * Check on any SFP devices that 4127 * need to be kick-started 4128 */ 4129 if (hw->phy.type == ixgbe_phy_none) { 4130 err = hw->phy.ops.identify(hw); 4131 if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) 4132 unsupported_sfp = true; 4133 } else if (hw->phy.type == ixgbe_phy_sfp_unsupported) 4134 unsupported_sfp = true; 4135 4136 if (unsupported_sfp) 4137 device_printf(dev, 4138 "Unsupported SFP+ module type was detected.\n"); 4139 4140 /* Set moderation on the Link interrupt */ 4141 ixgbe_eitr_write(adapter, adapter->vector, IXGBE_LINK_ITR); 4142 4143 /* Enable EEE power saving */ 4144 if (adapter->feat_cap & IXGBE_FEATURE_EEE) 4145 hw->mac.ops.setup_eee(hw, 4146 adapter->feat_en & IXGBE_FEATURE_EEE); 4147 4148 /* Enable power to the phy. */ 4149 if (!unsupported_sfp) { 4150 ixgbe_set_phy_power(hw, TRUE); 4151 4152 /* Config/Enable Link */ 4153 ixgbe_config_link(adapter); 4154 } 4155 4156 /* Hardware Packet Buffer & Flow Control setup */ 4157 ixgbe_config_delay_values(adapter); 4158 4159 /* Initialize the FC settings */ 4160 ixgbe_start_hw(hw); 4161 4162 /* Set up VLAN support and filter */ 4163 ixgbe_setup_vlan_hw_support(adapter); 4164 4165 /* Setup DMA Coalescing */ 4166 ixgbe_config_dmac(adapter); 4167 4168 /* OK to schedule workqueues. */ 4169 adapter->schedule_wqs_ok = true; 4170 4171 /* And now turn on interrupts */ 4172 ixgbe_enable_intr(adapter); 4173 4174 /* Enable the use of the MBX by the VF's */ 4175 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) { 4176 ctrl_ext = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT); 4177 ctrl_ext |= IXGBE_CTRL_EXT_PFRSTD; 4178 IXGBE_WRITE_REG(hw, IXGBE_CTRL_EXT, ctrl_ext); 4179 } 4180 4181 /* Update saved flags. See ixgbe_ifflags_cb() */ 4182 adapter->if_flags = ifp->if_flags; 4183 adapter->ec_capenable = adapter->osdep.ec.ec_capenable; 4184 4185 /* Now inform the stack we're ready */ 4186 ifp->if_flags |= IFF_RUNNING; 4187 4188 return; 4189 } /* ixgbe_init_locked */ 4190 4191 /************************************************************************ 4192 * ixgbe_init 4193 ************************************************************************/ 4194 static int 4195 ixgbe_init(struct ifnet *ifp) 4196 { 4197 struct adapter *adapter = ifp->if_softc; 4198 4199 IXGBE_CORE_LOCK(adapter); 4200 ixgbe_init_locked(adapter); 4201 IXGBE_CORE_UNLOCK(adapter); 4202 4203 return 0; /* XXX ixgbe_init_locked cannot fail? really? */ 4204 } /* ixgbe_init */ 4205 4206 /************************************************************************ 4207 * ixgbe_set_ivar 4208 * 4209 * Setup the correct IVAR register for a particular MSI-X interrupt 4210 * (yes this is all very magic and confusing :) 4211 * - entry is the register array entry 4212 * - vector is the MSI-X vector for this queue 4213 * - type is RX/TX/MISC 4214 ************************************************************************/ 4215 static void 4216 ixgbe_set_ivar(struct adapter *adapter, u8 entry, u8 vector, s8 type) 4217 { 4218 struct ixgbe_hw *hw = &adapter->hw; 4219 u32 ivar, index; 4220 4221 vector |= IXGBE_IVAR_ALLOC_VAL; 4222 4223 switch (hw->mac.type) { 4224 case ixgbe_mac_82598EB: 4225 if (type == -1) 4226 entry = IXGBE_IVAR_OTHER_CAUSES_INDEX; 4227 else 4228 entry += (type * 64); 4229 index = (entry >> 2) & 0x1F; 4230 ivar = IXGBE_READ_REG(hw, IXGBE_IVAR(index)); 4231 ivar &= ~(0xffUL << (8 * (entry & 0x3))); 4232 ivar |= ((u32)vector << (8 * (entry & 0x3))); 4233 IXGBE_WRITE_REG(&adapter->hw, IXGBE_IVAR(index), ivar); 4234 break; 4235 case ixgbe_mac_82599EB: 4236 case ixgbe_mac_X540: 4237 case ixgbe_mac_X550: 4238 case ixgbe_mac_X550EM_x: 4239 case ixgbe_mac_X550EM_a: 4240 if (type == -1) { /* MISC IVAR */ 4241 index = (entry & 1) * 8; 4242 ivar = IXGBE_READ_REG(hw, IXGBE_IVAR_MISC); 4243 ivar &= ~(0xffUL << index); 4244 ivar |= ((u32)vector << index); 4245 IXGBE_WRITE_REG(hw, IXGBE_IVAR_MISC, ivar); 4246 } else { /* RX/TX IVARS */ 4247 index = (16 * (entry & 1)) + (8 * type); 4248 ivar = IXGBE_READ_REG(hw, IXGBE_IVAR(entry >> 1)); 4249 ivar &= ~(0xffUL << index); 4250 ivar |= ((u32)vector << index); 4251 IXGBE_WRITE_REG(hw, IXGBE_IVAR(entry >> 1), ivar); 4252 } 4253 break; 4254 default: 4255 break; 4256 } 4257 } /* ixgbe_set_ivar */ 4258 4259 /************************************************************************ 4260 * ixgbe_configure_ivars 4261 ************************************************************************/ 4262 static void 4263 ixgbe_configure_ivars(struct adapter *adapter) 4264 { 4265 struct ix_queue *que = adapter->queues; 4266 u32 newitr; 4267 4268 if (ixgbe_max_interrupt_rate > 0) 4269 newitr = (4000000 / ixgbe_max_interrupt_rate) & 0x0FF8; 4270 else { 4271 /* 4272 * Disable DMA coalescing if interrupt moderation is 4273 * disabled. 4274 */ 4275 adapter->dmac = 0; 4276 newitr = 0; 4277 } 4278 4279 for (int i = 0; i < adapter->num_queues; i++, que++) { 4280 struct rx_ring *rxr = &adapter->rx_rings[i]; 4281 struct tx_ring *txr = &adapter->tx_rings[i]; 4282 /* First the RX queue entry */ 4283 ixgbe_set_ivar(adapter, rxr->me, que->msix, 0); 4284 /* ... and the TX */ 4285 ixgbe_set_ivar(adapter, txr->me, que->msix, 1); 4286 /* Set an Initial EITR value */ 4287 ixgbe_eitr_write(adapter, que->msix, newitr); 4288 /* 4289 * To eliminate influence of the previous state. 4290 * At this point, Tx/Rx interrupt handler 4291 * (ixgbe_msix_que()) cannot be called, so both 4292 * IXGBE_TX_LOCK and IXGBE_RX_LOCK are not required. 4293 */ 4294 que->eitr_setting = 0; 4295 } 4296 4297 /* For the Link interrupt */ 4298 ixgbe_set_ivar(adapter, 1, adapter->vector, -1); 4299 } /* ixgbe_configure_ivars */ 4300 4301 /************************************************************************ 4302 * ixgbe_config_gpie 4303 ************************************************************************/ 4304 static void 4305 ixgbe_config_gpie(struct adapter *adapter) 4306 { 4307 struct ixgbe_hw *hw = &adapter->hw; 4308 u32 gpie; 4309 4310 gpie = IXGBE_READ_REG(hw, IXGBE_GPIE); 4311 4312 if (adapter->feat_en & IXGBE_FEATURE_MSIX) { 4313 /* Enable Enhanced MSI-X mode */ 4314 gpie |= IXGBE_GPIE_MSIX_MODE 4315 | IXGBE_GPIE_EIAME 4316 | IXGBE_GPIE_PBA_SUPPORT 4317 | IXGBE_GPIE_OCD; 4318 } 4319 4320 /* Fan Failure Interrupt */ 4321 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) 4322 gpie |= IXGBE_SDP1_GPIEN; 4323 4324 /* Thermal Sensor Interrupt */ 4325 if (adapter->feat_en & IXGBE_FEATURE_TEMP_SENSOR) 4326 gpie |= IXGBE_SDP0_GPIEN_X540; 4327 4328 /* Link detection */ 4329 switch (hw->mac.type) { 4330 case ixgbe_mac_82599EB: 4331 gpie |= IXGBE_SDP1_GPIEN | IXGBE_SDP2_GPIEN; 4332 break; 4333 case ixgbe_mac_X550EM_x: 4334 case ixgbe_mac_X550EM_a: 4335 gpie |= IXGBE_SDP0_GPIEN_X540; 4336 break; 4337 default: 4338 break; 4339 } 4340 4341 IXGBE_WRITE_REG(hw, IXGBE_GPIE, gpie); 4342 4343 } /* ixgbe_config_gpie */ 4344 4345 /************************************************************************ 4346 * ixgbe_config_delay_values 4347 * 4348 * Requires adapter->max_frame_size to be set. 4349 ************************************************************************/ 4350 static void 4351 ixgbe_config_delay_values(struct adapter *adapter) 4352 { 4353 struct ixgbe_hw *hw = &adapter->hw; 4354 u32 rxpb, frame, size, tmp; 4355 4356 frame = adapter->max_frame_size; 4357 4358 /* Calculate High Water */ 4359 switch (hw->mac.type) { 4360 case ixgbe_mac_X540: 4361 case ixgbe_mac_X550: 4362 case ixgbe_mac_X550EM_x: 4363 case ixgbe_mac_X550EM_a: 4364 tmp = IXGBE_DV_X540(frame, frame); 4365 break; 4366 default: 4367 tmp = IXGBE_DV(frame, frame); 4368 break; 4369 } 4370 size = IXGBE_BT2KB(tmp); 4371 rxpb = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(0)) >> 10; 4372 hw->fc.high_water[0] = rxpb - size; 4373 4374 /* Now calculate Low Water */ 4375 switch (hw->mac.type) { 4376 case ixgbe_mac_X540: 4377 case ixgbe_mac_X550: 4378 case ixgbe_mac_X550EM_x: 4379 case ixgbe_mac_X550EM_a: 4380 tmp = IXGBE_LOW_DV_X540(frame); 4381 break; 4382 default: 4383 tmp = IXGBE_LOW_DV(frame); 4384 break; 4385 } 4386 hw->fc.low_water[0] = IXGBE_BT2KB(tmp); 4387 4388 hw->fc.pause_time = IXGBE_FC_PAUSE; 4389 hw->fc.send_xon = TRUE; 4390 } /* ixgbe_config_delay_values */ 4391 4392 /************************************************************************ 4393 * ixgbe_set_rxfilter - Multicast Update 4394 * 4395 * Called whenever multicast address list is updated. 4396 ************************************************************************/ 4397 static void 4398 ixgbe_set_rxfilter(struct adapter *adapter) 4399 { 4400 struct ixgbe_mc_addr *mta; 4401 struct ifnet *ifp = adapter->ifp; 4402 u8 *update_ptr; 4403 int mcnt = 0; 4404 u32 fctrl; 4405 struct ethercom *ec = &adapter->osdep.ec; 4406 struct ether_multi *enm; 4407 struct ether_multistep step; 4408 4409 KASSERT(mutex_owned(&adapter->core_mtx)); 4410 IOCTL_DEBUGOUT("ixgbe_set_rxfilter: begin"); 4411 4412 mta = adapter->mta; 4413 bzero(mta, sizeof(*mta) * MAX_NUM_MULTICAST_ADDRESSES); 4414 4415 ETHER_LOCK(ec); 4416 ec->ec_flags &= ~ETHER_F_ALLMULTI; 4417 ETHER_FIRST_MULTI(step, ec, enm); 4418 while (enm != NULL) { 4419 if ((mcnt == MAX_NUM_MULTICAST_ADDRESSES) || 4420 (memcmp(enm->enm_addrlo, enm->enm_addrhi, 4421 ETHER_ADDR_LEN) != 0)) { 4422 ec->ec_flags |= ETHER_F_ALLMULTI; 4423 break; 4424 } 4425 bcopy(enm->enm_addrlo, 4426 mta[mcnt].addr, IXGBE_ETH_LENGTH_OF_ADDRESS); 4427 mta[mcnt].vmdq = adapter->pool; 4428 mcnt++; 4429 ETHER_NEXT_MULTI(step, enm); 4430 } 4431 4432 fctrl = IXGBE_READ_REG(&adapter->hw, IXGBE_FCTRL); 4433 if (ifp->if_flags & IFF_PROMISC) 4434 fctrl |= (IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE); 4435 else if (ec->ec_flags & ETHER_F_ALLMULTI) { 4436 fctrl |= IXGBE_FCTRL_MPE; 4437 fctrl &= ~IXGBE_FCTRL_UPE; 4438 } else 4439 fctrl &= ~(IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE); 4440 4441 IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCTRL, fctrl); 4442 4443 /* Update multicast filter entries only when it's not ALLMULTI */ 4444 if ((ec->ec_flags & ETHER_F_ALLMULTI) == 0) { 4445 ETHER_UNLOCK(ec); 4446 update_ptr = (u8 *)mta; 4447 ixgbe_update_mc_addr_list(&adapter->hw, update_ptr, mcnt, 4448 ixgbe_mc_array_itr, TRUE); 4449 } else 4450 ETHER_UNLOCK(ec); 4451 } /* ixgbe_set_rxfilter */ 4452 4453 /************************************************************************ 4454 * ixgbe_mc_array_itr 4455 * 4456 * An iterator function needed by the multicast shared code. 4457 * It feeds the shared code routine the addresses in the 4458 * array of ixgbe_set_rxfilter() one by one. 4459 ************************************************************************/ 4460 static u8 * 4461 ixgbe_mc_array_itr(struct ixgbe_hw *hw, u8 **update_ptr, u32 *vmdq) 4462 { 4463 struct ixgbe_mc_addr *mta; 4464 4465 mta = (struct ixgbe_mc_addr *)*update_ptr; 4466 *vmdq = mta->vmdq; 4467 4468 *update_ptr = (u8*)(mta + 1); 4469 4470 return (mta->addr); 4471 } /* ixgbe_mc_array_itr */ 4472 4473 /************************************************************************ 4474 * ixgbe_local_timer - Timer routine 4475 * 4476 * Checks for link status, updates statistics, 4477 * and runs the watchdog check. 4478 ************************************************************************/ 4479 static void 4480 ixgbe_local_timer(void *arg) 4481 { 4482 struct adapter *adapter = arg; 4483 4484 if (adapter->schedule_wqs_ok) { 4485 if (atomic_cas_uint(&adapter->timer_pending, 0, 1) == 0) 4486 workqueue_enqueue(adapter->timer_wq, 4487 &adapter->timer_wc, NULL); 4488 } 4489 } 4490 4491 static void 4492 ixgbe_handle_timer(struct work *wk, void *context) 4493 { 4494 struct adapter *adapter = context; 4495 struct ixgbe_hw *hw = &adapter->hw; 4496 device_t dev = adapter->dev; 4497 struct ix_queue *que = adapter->queues; 4498 u64 queues = 0; 4499 u64 v0, v1, v2, v3, v4, v5, v6, v7; 4500 int hung = 0; 4501 int i; 4502 4503 IXGBE_CORE_LOCK(adapter); 4504 4505 /* Check for pluggable optics */ 4506 if (ixgbe_is_sfp(hw)) { 4507 bool sched_mod_task = false; 4508 4509 if (hw->mac.type == ixgbe_mac_82598EB) { 4510 /* 4511 * On 82598EB, SFP+'s MOD_ABS pin is not connected to 4512 * any GPIO(SDP). So just schedule TASK_MOD. 4513 */ 4514 sched_mod_task = true; 4515 } else { 4516 bool was_full, is_full; 4517 4518 was_full = 4519 hw->phy.sfp_type != ixgbe_sfp_type_not_present; 4520 is_full = ixgbe_sfp_cage_full(hw); 4521 4522 /* Do probe if cage state changed */ 4523 if (was_full ^ is_full) 4524 sched_mod_task = true; 4525 } 4526 if (sched_mod_task) { 4527 atomic_or_32(&adapter->task_requests, 4528 IXGBE_REQUEST_TASK_MOD); 4529 ixgbe_schedule_admin_tasklet(adapter); 4530 } 4531 } 4532 4533 ixgbe_update_link_status(adapter); 4534 ixgbe_update_stats_counters(adapter); 4535 4536 /* Update some event counters */ 4537 v0 = v1 = v2 = v3 = v4 = v5 = v6 = v7 = 0; 4538 que = adapter->queues; 4539 for (i = 0; i < adapter->num_queues; i++, que++) { 4540 struct tx_ring *txr = que->txr; 4541 4542 v0 += txr->q_efbig_tx_dma_setup; 4543 v1 += txr->q_mbuf_defrag_failed; 4544 v2 += txr->q_efbig2_tx_dma_setup; 4545 v3 += txr->q_einval_tx_dma_setup; 4546 v4 += txr->q_other_tx_dma_setup; 4547 v5 += txr->q_eagain_tx_dma_setup; 4548 v6 += txr->q_enomem_tx_dma_setup; 4549 v7 += txr->q_tso_err; 4550 } 4551 adapter->efbig_tx_dma_setup.ev_count = v0; 4552 adapter->mbuf_defrag_failed.ev_count = v1; 4553 adapter->efbig2_tx_dma_setup.ev_count = v2; 4554 adapter->einval_tx_dma_setup.ev_count = v3; 4555 adapter->other_tx_dma_setup.ev_count = v4; 4556 adapter->eagain_tx_dma_setup.ev_count = v5; 4557 adapter->enomem_tx_dma_setup.ev_count = v6; 4558 adapter->tso_err.ev_count = v7; 4559 4560 /* 4561 * Check the TX queues status 4562 * - mark hung queues so we don't schedule on them 4563 * - watchdog only if all queues show hung 4564 */ 4565 que = adapter->queues; 4566 for (i = 0; i < adapter->num_queues; i++, que++) { 4567 /* Keep track of queues with work for soft irq */ 4568 if (que->txr->busy) 4569 queues |= 1ULL << que->me; 4570 /* 4571 * Each time txeof runs without cleaning, but there 4572 * are uncleaned descriptors it increments busy. If 4573 * we get to the MAX we declare it hung. 4574 */ 4575 if (que->busy == IXGBE_QUEUE_HUNG) { 4576 ++hung; 4577 /* Mark the queue as inactive */ 4578 adapter->active_queues &= ~(1ULL << que->me); 4579 continue; 4580 } else { 4581 /* Check if we've come back from hung */ 4582 if ((adapter->active_queues & (1ULL << que->me)) == 0) 4583 adapter->active_queues |= 1ULL << que->me; 4584 } 4585 if (que->busy >= IXGBE_MAX_TX_BUSY) { 4586 device_printf(dev, 4587 "Warning queue %d appears to be hung!\n", i); 4588 que->txr->busy = IXGBE_QUEUE_HUNG; 4589 ++hung; 4590 } 4591 } 4592 4593 /* Only truly watchdog if all queues show hung */ 4594 if (hung == adapter->num_queues) 4595 goto watchdog; 4596 #if 0 /* XXX Avoid unexpectedly disabling interrupt forever (PR#53294) */ 4597 else if (queues != 0) { /* Force an IRQ on queues with work */ 4598 que = adapter->queues; 4599 for (i = 0; i < adapter->num_queues; i++, que++) { 4600 mutex_enter(&que->dc_mtx); 4601 if (que->disabled_count == 0) 4602 ixgbe_rearm_queues(adapter, 4603 queues & ((u64)1 << i)); 4604 mutex_exit(&que->dc_mtx); 4605 } 4606 } 4607 #endif 4608 4609 atomic_store_relaxed(&adapter->timer_pending, 0); 4610 IXGBE_CORE_UNLOCK(adapter); 4611 callout_reset(&adapter->timer, hz, ixgbe_local_timer, adapter); 4612 return; 4613 4614 watchdog: 4615 device_printf(adapter->dev, "Watchdog timeout -- resetting\n"); 4616 adapter->ifp->if_flags &= ~IFF_RUNNING; 4617 adapter->watchdog_events.ev_count++; 4618 ixgbe_init_locked(adapter); 4619 IXGBE_CORE_UNLOCK(adapter); 4620 } /* ixgbe_handle_timer */ 4621 4622 /************************************************************************ 4623 * ixgbe_recovery_mode_timer - Recovery mode timer routine 4624 ************************************************************************/ 4625 static void 4626 ixgbe_recovery_mode_timer(void *arg) 4627 { 4628 struct adapter *adapter = arg; 4629 4630 if (__predict_false(adapter->osdep.detaching == false)) { 4631 if (atomic_cas_uint(&adapter->recovery_mode_timer_pending, 4632 0, 1) == 0) { 4633 workqueue_enqueue(adapter->recovery_mode_timer_wq, 4634 &adapter->recovery_mode_timer_wc, NULL); 4635 } 4636 } 4637 } 4638 4639 static void 4640 ixgbe_handle_recovery_mode_timer(struct work *wk, void *context) 4641 { 4642 struct adapter *adapter = context; 4643 struct ixgbe_hw *hw = &adapter->hw; 4644 4645 IXGBE_CORE_LOCK(adapter); 4646 if (ixgbe_fw_recovery_mode(hw)) { 4647 if (atomic_cas_uint(&adapter->recovery_mode, 0, 1)) { 4648 /* Firmware error detected, entering recovery mode */ 4649 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"); 4650 4651 if (hw->adapter_stopped == FALSE) 4652 ixgbe_stop_locked(adapter); 4653 } 4654 } else 4655 atomic_cas_uint(&adapter->recovery_mode, 1, 0); 4656 4657 atomic_store_relaxed(&adapter->recovery_mode_timer_pending, 0); 4658 callout_reset(&adapter->recovery_mode_timer, hz, 4659 ixgbe_recovery_mode_timer, adapter); 4660 IXGBE_CORE_UNLOCK(adapter); 4661 } /* ixgbe_handle_recovery_mode_timer */ 4662 4663 /************************************************************************ 4664 * ixgbe_handle_mod - Tasklet for SFP module interrupts 4665 ************************************************************************/ 4666 static void 4667 ixgbe_handle_mod(void *context) 4668 { 4669 struct adapter *adapter = context; 4670 struct ixgbe_hw *hw = &adapter->hw; 4671 device_t dev = adapter->dev; 4672 enum ixgbe_sfp_type last_sfp_type; 4673 u32 err; 4674 bool last_unsupported_sfp_recovery; 4675 4676 last_sfp_type = hw->phy.sfp_type; 4677 last_unsupported_sfp_recovery = hw->need_unsupported_sfp_recovery; 4678 ++adapter->mod_workev.ev_count; 4679 if (adapter->hw.need_crosstalk_fix) { 4680 if ((hw->mac.type != ixgbe_mac_82598EB) && 4681 !ixgbe_sfp_cage_full(hw)) 4682 goto out; 4683 } 4684 4685 err = hw->phy.ops.identify_sfp(hw); 4686 if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) { 4687 if (last_unsupported_sfp_recovery == false) 4688 device_printf(dev, 4689 "Unsupported SFP+ module type was detected.\n"); 4690 goto out; 4691 } 4692 4693 if (hw->need_unsupported_sfp_recovery) { 4694 device_printf(dev, "Recovering from unsupported SFP\n"); 4695 /* 4696 * We could recover the status by calling setup_sfp(), 4697 * setup_link() and some others. It's complex and might not 4698 * work correctly on some unknown cases. To avoid such type of 4699 * problem, call ixgbe_init_locked(). It's simple and safe 4700 * approach. 4701 */ 4702 ixgbe_init_locked(adapter); 4703 } else if ((hw->phy.sfp_type != ixgbe_sfp_type_not_present) && 4704 (hw->phy.sfp_type != last_sfp_type)) { 4705 /* A module is inserted and changed. */ 4706 4707 if (hw->mac.type == ixgbe_mac_82598EB) 4708 err = hw->phy.ops.reset(hw); 4709 else { 4710 err = hw->mac.ops.setup_sfp(hw); 4711 hw->phy.sfp_setup_needed = FALSE; 4712 } 4713 if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) { 4714 device_printf(dev, 4715 "Setup failure - unsupported SFP+ module type.\n"); 4716 goto out; 4717 } 4718 } 4719 4720 out: 4721 /* get_supported_phy_layer will call hw->phy.ops.identify_sfp() */ 4722 adapter->phy_layer = ixgbe_get_supported_physical_layer(hw); 4723 4724 /* Adjust media types shown in ifconfig */ 4725 IXGBE_CORE_UNLOCK(adapter); 4726 ifmedia_removeall(&adapter->media); 4727 ixgbe_add_media_types(adapter); 4728 ifmedia_set(&adapter->media, IFM_ETHER | IFM_AUTO); 4729 IXGBE_CORE_LOCK(adapter); 4730 4731 /* 4732 * Don't shedule MSF event if the chip is 82598. 82598 doesn't support 4733 * MSF. At least, calling ixgbe_handle_msf on 82598 DA makes the link 4734 * flap because the function calls setup_link(). 4735 */ 4736 if (hw->mac.type != ixgbe_mac_82598EB) 4737 atomic_or_32(&adapter->task_requests, IXGBE_REQUEST_TASK_MSF); 4738 4739 /* 4740 * Don't call ixgbe_schedule_admin_tasklet() because we are on 4741 * the workqueue now. 4742 */ 4743 } /* ixgbe_handle_mod */ 4744 4745 4746 /************************************************************************ 4747 * ixgbe_handle_msf - Tasklet for MSF (multispeed fiber) interrupts 4748 ************************************************************************/ 4749 static void 4750 ixgbe_handle_msf(void *context) 4751 { 4752 struct adapter *adapter = context; 4753 struct ixgbe_hw *hw = &adapter->hw; 4754 u32 autoneg; 4755 bool negotiate; 4756 4757 ++adapter->msf_workev.ev_count; 4758 4759 autoneg = hw->phy.autoneg_advertised; 4760 if ((!autoneg) && (hw->mac.ops.get_link_capabilities)) 4761 hw->mac.ops.get_link_capabilities(hw, &autoneg, &negotiate); 4762 if (hw->mac.ops.setup_link) 4763 hw->mac.ops.setup_link(hw, autoneg, TRUE); 4764 } /* ixgbe_handle_msf */ 4765 4766 /************************************************************************ 4767 * ixgbe_handle_phy - Tasklet for external PHY interrupts 4768 ************************************************************************/ 4769 static void 4770 ixgbe_handle_phy(void *context) 4771 { 4772 struct adapter *adapter = context; 4773 struct ixgbe_hw *hw = &adapter->hw; 4774 int error; 4775 4776 ++adapter->phy_workev.ev_count; 4777 error = hw->phy.ops.handle_lasi(hw); 4778 if (error == IXGBE_ERR_OVERTEMP) 4779 device_printf(adapter->dev, 4780 "CRITICAL: EXTERNAL PHY OVER TEMP!! " 4781 " PHY will downshift to lower power state!\n"); 4782 else if (error) 4783 device_printf(adapter->dev, 4784 "Error handling LASI interrupt: %d\n", error); 4785 } /* ixgbe_handle_phy */ 4786 4787 static void 4788 ixgbe_handle_admin(struct work *wk, void *context) 4789 { 4790 struct adapter *adapter = context; 4791 struct ifnet *ifp = adapter->ifp; 4792 struct ixgbe_hw *hw = &adapter->hw; 4793 u32 req; 4794 4795 /* 4796 * Hold the IFNET_LOCK across this entire call. This will 4797 * prevent additional changes to adapter->phy_layer 4798 * and serialize calls to this tasklet. We cannot hold the 4799 * CORE_LOCK while calling into the ifmedia functions as 4800 * they call ifmedia_lock() and the lock is CORE_LOCK. 4801 */ 4802 IFNET_LOCK(ifp); 4803 IXGBE_CORE_LOCK(adapter); 4804 while ((req = 4805 (adapter->task_requests & ~IXGBE_REQUEST_TASK_NEED_ACKINTR)) 4806 != 0) { 4807 if ((req & IXGBE_REQUEST_TASK_LSC) != 0) { 4808 ixgbe_handle_link(adapter); 4809 atomic_and_32(&adapter->task_requests, 4810 ~IXGBE_REQUEST_TASK_LSC); 4811 } 4812 if ((req & IXGBE_REQUEST_TASK_MOD) != 0) { 4813 ixgbe_handle_mod(adapter); 4814 atomic_and_32(&adapter->task_requests, 4815 ~IXGBE_REQUEST_TASK_MOD); 4816 } 4817 if ((req & IXGBE_REQUEST_TASK_MSF) != 0) { 4818 ixgbe_handle_msf(adapter); 4819 atomic_and_32(&adapter->task_requests, 4820 ~IXGBE_REQUEST_TASK_MSF); 4821 } 4822 if ((req & IXGBE_REQUEST_TASK_PHY) != 0) { 4823 ixgbe_handle_phy(adapter); 4824 atomic_and_32(&adapter->task_requests, 4825 ~IXGBE_REQUEST_TASK_PHY); 4826 } 4827 if ((req & IXGBE_REQUEST_TASK_FDIR) != 0) { 4828 ixgbe_reinit_fdir(adapter); 4829 atomic_and_32(&adapter->task_requests, 4830 ~IXGBE_REQUEST_TASK_FDIR); 4831 } 4832 #if 0 /* notyet */ 4833 if ((req & IXGBE_REQUEST_TASK_MBX) != 0) { 4834 ixgbe_handle_mbx(adapter); 4835 atomic_and_32(&adapter->task_requests, 4836 ~IXGBE_REQUEST_TASK_MBX); 4837 } 4838 #endif 4839 } 4840 atomic_store_relaxed(&adapter->admin_pending, 0); 4841 if ((adapter->task_requests & IXGBE_REQUEST_TASK_NEED_ACKINTR) != 0) { 4842 atomic_and_32(&adapter->task_requests, 4843 ~IXGBE_REQUEST_TASK_NEED_ACKINTR); 4844 if ((adapter->feat_en & IXGBE_FEATURE_MSIX) != 0) { 4845 /* Re-enable other interrupts */ 4846 IXGBE_WRITE_REG(hw, IXGBE_EIMS, IXGBE_EIMS_OTHER); 4847 } else 4848 ixgbe_enable_intr(adapter); 4849 } 4850 4851 IXGBE_CORE_UNLOCK(adapter); 4852 IFNET_UNLOCK(ifp); 4853 } /* ixgbe_handle_admin */ 4854 4855 static void 4856 ixgbe_ifstop(struct ifnet *ifp, int disable) 4857 { 4858 struct adapter *adapter = ifp->if_softc; 4859 4860 IXGBE_CORE_LOCK(adapter); 4861 ixgbe_stop_locked(adapter); 4862 IXGBE_CORE_UNLOCK(adapter); 4863 4864 workqueue_wait(adapter->timer_wq, &adapter->timer_wc); 4865 atomic_store_relaxed(&adapter->timer_pending, 0); 4866 } 4867 4868 /************************************************************************ 4869 * ixgbe_stop_locked - Stop the hardware 4870 * 4871 * Disables all traffic on the adapter by issuing a 4872 * global reset on the MAC and deallocates TX/RX buffers. 4873 ************************************************************************/ 4874 static void 4875 ixgbe_stop_locked(void *arg) 4876 { 4877 struct ifnet *ifp; 4878 struct adapter *adapter = arg; 4879 struct ixgbe_hw *hw = &adapter->hw; 4880 4881 ifp = adapter->ifp; 4882 4883 KASSERT(mutex_owned(&adapter->core_mtx)); 4884 4885 INIT_DEBUGOUT("ixgbe_stop_locked: begin\n"); 4886 ixgbe_disable_intr(adapter); 4887 callout_stop(&adapter->timer); 4888 4889 /* Don't schedule workqueues. */ 4890 adapter->schedule_wqs_ok = false; 4891 4892 /* Let the stack know...*/ 4893 ifp->if_flags &= ~IFF_RUNNING; 4894 4895 ixgbe_reset_hw(hw); 4896 hw->adapter_stopped = FALSE; 4897 ixgbe_stop_adapter(hw); 4898 if (hw->mac.type == ixgbe_mac_82599EB) 4899 ixgbe_stop_mac_link_on_d3_82599(hw); 4900 /* Turn off the laser - noop with no optics */ 4901 ixgbe_disable_tx_laser(hw); 4902 4903 /* Update the stack */ 4904 adapter->link_up = FALSE; 4905 ixgbe_update_link_status(adapter); 4906 4907 /* reprogram the RAR[0] in case user changed it. */ 4908 ixgbe_set_rar(&adapter->hw, 0, adapter->hw.mac.addr, 0, IXGBE_RAH_AV); 4909 4910 return; 4911 } /* ixgbe_stop_locked */ 4912 4913 /************************************************************************ 4914 * ixgbe_update_link_status - Update OS on link state 4915 * 4916 * Note: Only updates the OS on the cached link state. 4917 * The real check of the hardware only happens with 4918 * a link interrupt. 4919 ************************************************************************/ 4920 static void 4921 ixgbe_update_link_status(struct adapter *adapter) 4922 { 4923 struct ifnet *ifp = adapter->ifp; 4924 device_t dev = adapter->dev; 4925 struct ixgbe_hw *hw = &adapter->hw; 4926 4927 KASSERT(mutex_owned(&adapter->core_mtx)); 4928 4929 if (adapter->link_up) { 4930 if (adapter->link_active != LINK_STATE_UP) { 4931 /* 4932 * To eliminate influence of the previous state 4933 * in the same way as ixgbe_init_locked(). 4934 */ 4935 struct ix_queue *que = adapter->queues; 4936 for (int i = 0; i < adapter->num_queues; i++, que++) 4937 que->eitr_setting = 0; 4938 4939 if (adapter->link_speed == IXGBE_LINK_SPEED_10GB_FULL){ 4940 /* 4941 * Discard count for both MAC Local Fault and 4942 * Remote Fault because those registers are 4943 * valid only when the link speed is up and 4944 * 10Gbps. 4945 */ 4946 IXGBE_READ_REG(hw, IXGBE_MLFC); 4947 IXGBE_READ_REG(hw, IXGBE_MRFC); 4948 } 4949 4950 if (bootverbose) { 4951 const char *bpsmsg; 4952 4953 switch (adapter->link_speed) { 4954 case IXGBE_LINK_SPEED_10GB_FULL: 4955 bpsmsg = "10 Gbps"; 4956 break; 4957 case IXGBE_LINK_SPEED_5GB_FULL: 4958 bpsmsg = "5 Gbps"; 4959 break; 4960 case IXGBE_LINK_SPEED_2_5GB_FULL: 4961 bpsmsg = "2.5 Gbps"; 4962 break; 4963 case IXGBE_LINK_SPEED_1GB_FULL: 4964 bpsmsg = "1 Gbps"; 4965 break; 4966 case IXGBE_LINK_SPEED_100_FULL: 4967 bpsmsg = "100 Mbps"; 4968 break; 4969 case IXGBE_LINK_SPEED_10_FULL: 4970 bpsmsg = "10 Mbps"; 4971 break; 4972 default: 4973 bpsmsg = "unknown speed"; 4974 break; 4975 } 4976 device_printf(dev, "Link is up %s %s \n", 4977 bpsmsg, "Full Duplex"); 4978 } 4979 adapter->link_active = LINK_STATE_UP; 4980 /* Update any Flow Control changes */ 4981 ixgbe_fc_enable(&adapter->hw); 4982 /* Update DMA coalescing config */ 4983 ixgbe_config_dmac(adapter); 4984 if_link_state_change(ifp, LINK_STATE_UP); 4985 4986 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) 4987 ixgbe_ping_all_vfs(adapter); 4988 } 4989 } else { 4990 /* 4991 * Do it when link active changes to DOWN. i.e. 4992 * a) LINK_STATE_UNKNOWN -> LINK_STATE_DOWN 4993 * b) LINK_STATE_UP -> LINK_STATE_DOWN 4994 */ 4995 if (adapter->link_active != LINK_STATE_DOWN) { 4996 if (bootverbose) 4997 device_printf(dev, "Link is Down\n"); 4998 if_link_state_change(ifp, LINK_STATE_DOWN); 4999 adapter->link_active = LINK_STATE_DOWN; 5000 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) 5001 ixgbe_ping_all_vfs(adapter); 5002 ixgbe_drain_all(adapter); 5003 } 5004 } 5005 } /* ixgbe_update_link_status */ 5006 5007 /************************************************************************ 5008 * ixgbe_config_dmac - Configure DMA Coalescing 5009 ************************************************************************/ 5010 static void 5011 ixgbe_config_dmac(struct adapter *adapter) 5012 { 5013 struct ixgbe_hw *hw = &adapter->hw; 5014 struct ixgbe_dmac_config *dcfg = &hw->mac.dmac_config; 5015 5016 if (hw->mac.type < ixgbe_mac_X550 || !hw->mac.ops.dmac_config) 5017 return; 5018 5019 if (dcfg->watchdog_timer ^ adapter->dmac || 5020 dcfg->link_speed ^ adapter->link_speed) { 5021 dcfg->watchdog_timer = adapter->dmac; 5022 dcfg->fcoe_en = false; 5023 dcfg->link_speed = adapter->link_speed; 5024 dcfg->num_tcs = 1; 5025 5026 INIT_DEBUGOUT2("dmac settings: watchdog %d, link speed %d\n", 5027 dcfg->watchdog_timer, dcfg->link_speed); 5028 5029 hw->mac.ops.dmac_config(hw); 5030 } 5031 } /* ixgbe_config_dmac */ 5032 5033 /************************************************************************ 5034 * ixgbe_enable_intr 5035 ************************************************************************/ 5036 static void 5037 ixgbe_enable_intr(struct adapter *adapter) 5038 { 5039 struct ixgbe_hw *hw = &adapter->hw; 5040 struct ix_queue *que = adapter->queues; 5041 u32 mask, fwsm; 5042 5043 mask = (IXGBE_EIMS_ENABLE_MASK & ~IXGBE_EIMS_RTX_QUEUE); 5044 5045 switch (adapter->hw.mac.type) { 5046 case ixgbe_mac_82599EB: 5047 mask |= IXGBE_EIMS_ECC; 5048 /* Temperature sensor on some adapters */ 5049 mask |= IXGBE_EIMS_GPI_SDP0; 5050 /* SFP+ (RX_LOS_N & MOD_ABS_N) */ 5051 mask |= IXGBE_EIMS_GPI_SDP1; 5052 mask |= IXGBE_EIMS_GPI_SDP2; 5053 break; 5054 case ixgbe_mac_X540: 5055 /* Detect if Thermal Sensor is enabled */ 5056 fwsm = IXGBE_READ_REG(hw, IXGBE_FWSM); 5057 if (fwsm & IXGBE_FWSM_TS_ENABLED) 5058 mask |= IXGBE_EIMS_TS; 5059 mask |= IXGBE_EIMS_ECC; 5060 break; 5061 case ixgbe_mac_X550: 5062 /* MAC thermal sensor is automatically enabled */ 5063 mask |= IXGBE_EIMS_TS; 5064 mask |= IXGBE_EIMS_ECC; 5065 break; 5066 case ixgbe_mac_X550EM_x: 5067 case ixgbe_mac_X550EM_a: 5068 /* Some devices use SDP0 for important information */ 5069 if (hw->device_id == IXGBE_DEV_ID_X550EM_X_SFP || 5070 hw->device_id == IXGBE_DEV_ID_X550EM_A_SFP || 5071 hw->device_id == IXGBE_DEV_ID_X550EM_A_SFP_N || 5072 hw->device_id == IXGBE_DEV_ID_X550EM_X_10G_T) 5073 mask |= IXGBE_EIMS_GPI_SDP0_BY_MAC(hw); 5074 if (hw->phy.type == ixgbe_phy_x550em_ext_t) 5075 mask |= IXGBE_EICR_GPI_SDP0_X540; 5076 mask |= IXGBE_EIMS_ECC; 5077 break; 5078 default: 5079 break; 5080 } 5081 5082 /* Enable Fan Failure detection */ 5083 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) 5084 mask |= IXGBE_EIMS_GPI_SDP1; 5085 /* Enable SR-IOV */ 5086 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) 5087 mask |= IXGBE_EIMS_MAILBOX; 5088 /* Enable Flow Director */ 5089 if (adapter->feat_en & IXGBE_FEATURE_FDIR) 5090 mask |= IXGBE_EIMS_FLOW_DIR; 5091 5092 IXGBE_WRITE_REG(hw, IXGBE_EIMS, mask); 5093 5094 /* With MSI-X we use auto clear */ 5095 if (adapter->msix_mem) { 5096 mask = IXGBE_EIMS_ENABLE_MASK; 5097 /* Don't autoclear Link */ 5098 mask &= ~IXGBE_EIMS_OTHER; 5099 mask &= ~IXGBE_EIMS_LSC; 5100 if (adapter->feat_cap & IXGBE_FEATURE_SRIOV) 5101 mask &= ~IXGBE_EIMS_MAILBOX; 5102 IXGBE_WRITE_REG(hw, IXGBE_EIAC, mask); 5103 } 5104 5105 /* 5106 * Now enable all queues, this is done separately to 5107 * allow for handling the extended (beyond 32) MSI-X 5108 * vectors that can be used by 82599 5109 */ 5110 for (int i = 0; i < adapter->num_queues; i++, que++) 5111 ixgbe_enable_queue(adapter, que->msix); 5112 5113 IXGBE_WRITE_FLUSH(hw); 5114 5115 } /* ixgbe_enable_intr */ 5116 5117 /************************************************************************ 5118 * ixgbe_disable_intr_internal 5119 ************************************************************************/ 5120 static void 5121 ixgbe_disable_intr_internal(struct adapter *adapter, bool nestok) 5122 { 5123 struct ix_queue *que = adapter->queues; 5124 5125 /* disable interrupts other than queues */ 5126 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, ~IXGBE_EIMC_RTX_QUEUE); 5127 5128 if (adapter->msix_mem) 5129 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIAC, 0); 5130 5131 for (int i = 0; i < adapter->num_queues; i++, que++) 5132 ixgbe_disable_queue_internal(adapter, que->msix, nestok); 5133 5134 IXGBE_WRITE_FLUSH(&adapter->hw); 5135 5136 } /* ixgbe_do_disable_intr_internal */ 5137 5138 /************************************************************************ 5139 * ixgbe_disable_intr 5140 ************************************************************************/ 5141 static void 5142 ixgbe_disable_intr(struct adapter *adapter) 5143 { 5144 5145 ixgbe_disable_intr_internal(adapter, true); 5146 } /* ixgbe_disable_intr */ 5147 5148 /************************************************************************ 5149 * ixgbe_ensure_disabled_intr 5150 ************************************************************************/ 5151 void 5152 ixgbe_ensure_disabled_intr(struct adapter *adapter) 5153 { 5154 5155 ixgbe_disable_intr_internal(adapter, false); 5156 } /* ixgbe_ensure_disabled_intr */ 5157 5158 /************************************************************************ 5159 * ixgbe_legacy_irq - Legacy Interrupt Service routine 5160 ************************************************************************/ 5161 static int 5162 ixgbe_legacy_irq(void *arg) 5163 { 5164 struct ix_queue *que = arg; 5165 struct adapter *adapter = que->adapter; 5166 struct ixgbe_hw *hw = &adapter->hw; 5167 struct ifnet *ifp = adapter->ifp; 5168 struct tx_ring *txr = adapter->tx_rings; 5169 bool more = false; 5170 bool reenable_intr = true; 5171 u32 eicr, eicr_mask; 5172 u32 task_requests = 0; 5173 5174 /* Silicon errata #26 on 82598 */ 5175 IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_IRQ_CLEAR_MASK); 5176 5177 eicr = IXGBE_READ_REG(hw, IXGBE_EICR); 5178 5179 adapter->stats.pf.legint.ev_count++; 5180 ++que->irqs.ev_count; 5181 if (eicr == 0) { 5182 adapter->stats.pf.intzero.ev_count++; 5183 if ((ifp->if_flags & IFF_UP) != 0) 5184 ixgbe_enable_intr(adapter); 5185 return 0; 5186 } 5187 5188 if ((ifp->if_flags & IFF_RUNNING) != 0) { 5189 /* 5190 * The same as ixgbe_msix_que() about "que->txrx_use_workqueue". 5191 */ 5192 que->txrx_use_workqueue = adapter->txrx_use_workqueue; 5193 5194 #ifdef __NetBSD__ 5195 /* Don't run ixgbe_rxeof in interrupt context */ 5196 more = true; 5197 #else 5198 more = ixgbe_rxeof(que); 5199 #endif 5200 5201 IXGBE_TX_LOCK(txr); 5202 ixgbe_txeof(txr); 5203 #ifdef notyet 5204 if (!ixgbe_ring_empty(ifp, txr->br)) 5205 ixgbe_start_locked(ifp, txr); 5206 #endif 5207 IXGBE_TX_UNLOCK(txr); 5208 } 5209 5210 /* Check for fan failure */ 5211 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) { 5212 ixgbe_check_fan_failure(adapter, eicr, true); 5213 IXGBE_WRITE_REG(hw, IXGBE_EIMS, IXGBE_EICR_GPI_SDP1_BY_MAC(hw)); 5214 } 5215 5216 /* Link status change */ 5217 if (eicr & IXGBE_EICR_LSC) 5218 task_requests |= IXGBE_REQUEST_TASK_LSC; 5219 5220 if (ixgbe_is_sfp(hw)) { 5221 /* Pluggable optics-related interrupt */ 5222 if (hw->mac.type >= ixgbe_mac_X540) 5223 eicr_mask = IXGBE_EICR_GPI_SDP0_X540; 5224 else 5225 eicr_mask = IXGBE_EICR_GPI_SDP2_BY_MAC(hw); 5226 5227 if (eicr & eicr_mask) { 5228 IXGBE_WRITE_REG(hw, IXGBE_EICR, eicr_mask); 5229 task_requests |= IXGBE_REQUEST_TASK_MOD; 5230 } 5231 5232 if ((hw->mac.type == ixgbe_mac_82599EB) && 5233 (eicr & IXGBE_EICR_GPI_SDP1_BY_MAC(hw))) { 5234 IXGBE_WRITE_REG(hw, IXGBE_EICR, 5235 IXGBE_EICR_GPI_SDP1_BY_MAC(hw)); 5236 task_requests |= IXGBE_REQUEST_TASK_MSF; 5237 } 5238 } 5239 5240 /* External PHY interrupt */ 5241 if ((hw->phy.type == ixgbe_phy_x550em_ext_t) && 5242 (eicr & IXGBE_EICR_GPI_SDP0_X540)) 5243 task_requests |= IXGBE_REQUEST_TASK_PHY; 5244 5245 if (more) { 5246 que->req.ev_count++; 5247 ixgbe_sched_handle_que(adapter, que); 5248 reenable_intr = false; 5249 } 5250 if (task_requests != 0) { 5251 /* Re-enabling other interrupts is done in the admin task */ 5252 task_requests |= IXGBE_REQUEST_TASK_NEED_ACKINTR; 5253 atomic_or_32(&adapter->task_requests, task_requests); 5254 ixgbe_schedule_admin_tasklet(adapter); 5255 reenable_intr = false; 5256 } 5257 5258 if (reenable_intr == true) 5259 ixgbe_enable_intr(adapter); 5260 5261 return 1; 5262 } /* ixgbe_legacy_irq */ 5263 5264 /************************************************************************ 5265 * ixgbe_free_pciintr_resources 5266 ************************************************************************/ 5267 static void 5268 ixgbe_free_pciintr_resources(struct adapter *adapter) 5269 { 5270 struct ix_queue *que = adapter->queues; 5271 int rid; 5272 5273 /* 5274 * Release all msix queue resources: 5275 */ 5276 for (int i = 0; i < adapter->num_queues; i++, que++) { 5277 if (que->res != NULL) { 5278 pci_intr_disestablish(adapter->osdep.pc, 5279 adapter->osdep.ihs[i]); 5280 adapter->osdep.ihs[i] = NULL; 5281 } 5282 } 5283 5284 /* Clean the Legacy or Link interrupt last */ 5285 if (adapter->vector) /* we are doing MSIX */ 5286 rid = adapter->vector; 5287 else 5288 rid = 0; 5289 5290 if (adapter->osdep.ihs[rid] != NULL) { 5291 pci_intr_disestablish(adapter->osdep.pc, 5292 adapter->osdep.ihs[rid]); 5293 adapter->osdep.ihs[rid] = NULL; 5294 } 5295 5296 if (adapter->osdep.intrs != NULL) { 5297 pci_intr_release(adapter->osdep.pc, adapter->osdep.intrs, 5298 adapter->osdep.nintrs); 5299 adapter->osdep.intrs = NULL; 5300 } 5301 } /* ixgbe_free_pciintr_resources */ 5302 5303 /************************************************************************ 5304 * ixgbe_free_pci_resources 5305 ************************************************************************/ 5306 static void 5307 ixgbe_free_pci_resources(struct adapter *adapter) 5308 { 5309 5310 ixgbe_free_pciintr_resources(adapter); 5311 5312 if (adapter->osdep.mem_size != 0) { 5313 bus_space_unmap(adapter->osdep.mem_bus_space_tag, 5314 adapter->osdep.mem_bus_space_handle, 5315 adapter->osdep.mem_size); 5316 } 5317 5318 } /* ixgbe_free_pci_resources */ 5319 5320 /************************************************************************ 5321 * ixgbe_set_sysctl_value 5322 ************************************************************************/ 5323 static void 5324 ixgbe_set_sysctl_value(struct adapter *adapter, const char *name, 5325 const char *description, int *limit, int value) 5326 { 5327 device_t dev = adapter->dev; 5328 struct sysctllog **log; 5329 const struct sysctlnode *rnode, *cnode; 5330 5331 /* 5332 * It's not required to check recovery mode because this function never 5333 * touches hardware. 5334 */ 5335 5336 log = &adapter->sysctllog; 5337 if ((rnode = ixgbe_sysctl_instance(adapter)) == NULL) { 5338 aprint_error_dev(dev, "could not create sysctl root\n"); 5339 return; 5340 } 5341 if (sysctl_createv(log, 0, &rnode, &cnode, 5342 CTLFLAG_READWRITE, CTLTYPE_INT, 5343 name, SYSCTL_DESCR(description), 5344 NULL, 0, limit, 0, CTL_CREATE, CTL_EOL) != 0) 5345 aprint_error_dev(dev, "could not create sysctl\n"); 5346 *limit = value; 5347 } /* ixgbe_set_sysctl_value */ 5348 5349 /************************************************************************ 5350 * ixgbe_sysctl_flowcntl 5351 * 5352 * SYSCTL wrapper around setting Flow Control 5353 ************************************************************************/ 5354 static int 5355 ixgbe_sysctl_flowcntl(SYSCTLFN_ARGS) 5356 { 5357 struct sysctlnode node = *rnode; 5358 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5359 int error, fc; 5360 5361 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5362 return (EPERM); 5363 5364 fc = adapter->hw.fc.current_mode; 5365 node.sysctl_data = &fc; 5366 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5367 if (error != 0 || newp == NULL) 5368 return error; 5369 5370 /* Don't bother if it's not changed */ 5371 if (fc == adapter->hw.fc.current_mode) 5372 return (0); 5373 5374 return ixgbe_set_flowcntl(adapter, fc); 5375 } /* ixgbe_sysctl_flowcntl */ 5376 5377 /************************************************************************ 5378 * ixgbe_set_flowcntl - Set flow control 5379 * 5380 * Flow control values: 5381 * 0 - off 5382 * 1 - rx pause 5383 * 2 - tx pause 5384 * 3 - full 5385 ************************************************************************/ 5386 static int 5387 ixgbe_set_flowcntl(struct adapter *adapter, int fc) 5388 { 5389 switch (fc) { 5390 case ixgbe_fc_rx_pause: 5391 case ixgbe_fc_tx_pause: 5392 case ixgbe_fc_full: 5393 adapter->hw.fc.requested_mode = fc; 5394 if (adapter->num_queues > 1) 5395 ixgbe_disable_rx_drop(adapter); 5396 break; 5397 case ixgbe_fc_none: 5398 adapter->hw.fc.requested_mode = ixgbe_fc_none; 5399 if (adapter->num_queues > 1) 5400 ixgbe_enable_rx_drop(adapter); 5401 break; 5402 default: 5403 return (EINVAL); 5404 } 5405 5406 #if 0 /* XXX NetBSD */ 5407 /* Don't autoneg if forcing a value */ 5408 adapter->hw.fc.disable_fc_autoneg = TRUE; 5409 #endif 5410 ixgbe_fc_enable(&adapter->hw); 5411 5412 return (0); 5413 } /* ixgbe_set_flowcntl */ 5414 5415 /************************************************************************ 5416 * ixgbe_enable_rx_drop 5417 * 5418 * Enable the hardware to drop packets when the buffer is 5419 * full. This is useful with multiqueue, so that no single 5420 * queue being full stalls the entire RX engine. We only 5421 * enable this when Multiqueue is enabled AND Flow Control 5422 * is disabled. 5423 ************************************************************************/ 5424 static void 5425 ixgbe_enable_rx_drop(struct adapter *adapter) 5426 { 5427 struct ixgbe_hw *hw = &adapter->hw; 5428 struct rx_ring *rxr; 5429 u32 srrctl; 5430 5431 for (int i = 0; i < adapter->num_queues; i++) { 5432 rxr = &adapter->rx_rings[i]; 5433 srrctl = IXGBE_READ_REG(hw, IXGBE_SRRCTL(rxr->me)); 5434 srrctl |= IXGBE_SRRCTL_DROP_EN; 5435 IXGBE_WRITE_REG(hw, IXGBE_SRRCTL(rxr->me), srrctl); 5436 } 5437 5438 /* enable drop for each vf */ 5439 for (int i = 0; i < adapter->num_vfs; i++) { 5440 IXGBE_WRITE_REG(hw, IXGBE_QDE, 5441 (IXGBE_QDE_WRITE | (i << IXGBE_QDE_IDX_SHIFT) | 5442 IXGBE_QDE_ENABLE)); 5443 } 5444 } /* ixgbe_enable_rx_drop */ 5445 5446 /************************************************************************ 5447 * ixgbe_disable_rx_drop 5448 ************************************************************************/ 5449 static void 5450 ixgbe_disable_rx_drop(struct adapter *adapter) 5451 { 5452 struct ixgbe_hw *hw = &adapter->hw; 5453 struct rx_ring *rxr; 5454 u32 srrctl; 5455 5456 for (int i = 0; i < adapter->num_queues; i++) { 5457 rxr = &adapter->rx_rings[i]; 5458 srrctl = IXGBE_READ_REG(hw, IXGBE_SRRCTL(rxr->me)); 5459 srrctl &= ~IXGBE_SRRCTL_DROP_EN; 5460 IXGBE_WRITE_REG(hw, IXGBE_SRRCTL(rxr->me), srrctl); 5461 } 5462 5463 /* disable drop for each vf */ 5464 for (int i = 0; i < adapter->num_vfs; i++) { 5465 IXGBE_WRITE_REG(hw, IXGBE_QDE, 5466 (IXGBE_QDE_WRITE | (i << IXGBE_QDE_IDX_SHIFT))); 5467 } 5468 } /* ixgbe_disable_rx_drop */ 5469 5470 /************************************************************************ 5471 * ixgbe_sysctl_advertise 5472 * 5473 * SYSCTL wrapper around setting advertised speed 5474 ************************************************************************/ 5475 static int 5476 ixgbe_sysctl_advertise(SYSCTLFN_ARGS) 5477 { 5478 struct sysctlnode node = *rnode; 5479 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5480 int error = 0, advertise; 5481 5482 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5483 return (EPERM); 5484 5485 advertise = adapter->advertise; 5486 node.sysctl_data = &advertise; 5487 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5488 if (error != 0 || newp == NULL) 5489 return error; 5490 5491 return ixgbe_set_advertise(adapter, advertise); 5492 } /* ixgbe_sysctl_advertise */ 5493 5494 /************************************************************************ 5495 * ixgbe_set_advertise - Control advertised link speed 5496 * 5497 * Flags: 5498 * 0x00 - Default (all capable link speed) 5499 * 0x01 - advertise 100 Mb 5500 * 0x02 - advertise 1G 5501 * 0x04 - advertise 10G 5502 * 0x08 - advertise 10 Mb 5503 * 0x10 - advertise 2.5G 5504 * 0x20 - advertise 5G 5505 ************************************************************************/ 5506 static int 5507 ixgbe_set_advertise(struct adapter *adapter, int advertise) 5508 { 5509 device_t dev; 5510 struct ixgbe_hw *hw; 5511 ixgbe_link_speed speed = 0; 5512 ixgbe_link_speed link_caps = 0; 5513 s32 err = IXGBE_NOT_IMPLEMENTED; 5514 bool negotiate = FALSE; 5515 5516 /* Checks to validate new value */ 5517 if (adapter->advertise == advertise) /* no change */ 5518 return (0); 5519 5520 dev = adapter->dev; 5521 hw = &adapter->hw; 5522 5523 /* No speed changes for backplane media */ 5524 if (hw->phy.media_type == ixgbe_media_type_backplane) 5525 return (ENODEV); 5526 5527 if (!((hw->phy.media_type == ixgbe_media_type_copper) || 5528 (hw->phy.multispeed_fiber))) { 5529 device_printf(dev, 5530 "Advertised speed can only be set on copper or " 5531 "multispeed fiber media types.\n"); 5532 return (EINVAL); 5533 } 5534 5535 if (advertise < 0x0 || advertise > 0x2f) { 5536 device_printf(dev, 5537 "Invalid advertised speed; valid modes are 0x0 through 0x7\n"); 5538 return (EINVAL); 5539 } 5540 5541 if (hw->mac.ops.get_link_capabilities) { 5542 err = hw->mac.ops.get_link_capabilities(hw, &link_caps, 5543 &negotiate); 5544 if (err != IXGBE_SUCCESS) { 5545 device_printf(dev, "Unable to determine supported advertise speeds\n"); 5546 return (ENODEV); 5547 } 5548 } 5549 5550 /* Set new value and report new advertised mode */ 5551 if (advertise & 0x1) { 5552 if (!(link_caps & IXGBE_LINK_SPEED_100_FULL)) { 5553 device_printf(dev, "Interface does not support 100Mb advertised speed\n"); 5554 return (EINVAL); 5555 } 5556 speed |= IXGBE_LINK_SPEED_100_FULL; 5557 } 5558 if (advertise & 0x2) { 5559 if (!(link_caps & IXGBE_LINK_SPEED_1GB_FULL)) { 5560 device_printf(dev, "Interface does not support 1Gb advertised speed\n"); 5561 return (EINVAL); 5562 } 5563 speed |= IXGBE_LINK_SPEED_1GB_FULL; 5564 } 5565 if (advertise & 0x4) { 5566 if (!(link_caps & IXGBE_LINK_SPEED_10GB_FULL)) { 5567 device_printf(dev, "Interface does not support 10Gb advertised speed\n"); 5568 return (EINVAL); 5569 } 5570 speed |= IXGBE_LINK_SPEED_10GB_FULL; 5571 } 5572 if (advertise & 0x8) { 5573 if (!(link_caps & IXGBE_LINK_SPEED_10_FULL)) { 5574 device_printf(dev, "Interface does not support 10Mb advertised speed\n"); 5575 return (EINVAL); 5576 } 5577 speed |= IXGBE_LINK_SPEED_10_FULL; 5578 } 5579 if (advertise & 0x10) { 5580 if (!(link_caps & IXGBE_LINK_SPEED_2_5GB_FULL)) { 5581 device_printf(dev, "Interface does not support 2.5Gb advertised speed\n"); 5582 return (EINVAL); 5583 } 5584 speed |= IXGBE_LINK_SPEED_2_5GB_FULL; 5585 } 5586 if (advertise & 0x20) { 5587 if (!(link_caps & IXGBE_LINK_SPEED_5GB_FULL)) { 5588 device_printf(dev, "Interface does not support 5Gb advertised speed\n"); 5589 return (EINVAL); 5590 } 5591 speed |= IXGBE_LINK_SPEED_5GB_FULL; 5592 } 5593 if (advertise == 0) 5594 speed = link_caps; /* All capable link speed */ 5595 5596 hw->mac.autotry_restart = TRUE; 5597 hw->mac.ops.setup_link(hw, speed, TRUE); 5598 adapter->advertise = advertise; 5599 5600 return (0); 5601 } /* ixgbe_set_advertise */ 5602 5603 /************************************************************************ 5604 * ixgbe_get_advertise - Get current advertised speed settings 5605 * 5606 * Formatted for sysctl usage. 5607 * Flags: 5608 * 0x01 - advertise 100 Mb 5609 * 0x02 - advertise 1G 5610 * 0x04 - advertise 10G 5611 * 0x08 - advertise 10 Mb (yes, Mb) 5612 * 0x10 - advertise 2.5G 5613 * 0x20 - advertise 5G 5614 ************************************************************************/ 5615 static int 5616 ixgbe_get_advertise(struct adapter *adapter) 5617 { 5618 struct ixgbe_hw *hw = &adapter->hw; 5619 int speed; 5620 ixgbe_link_speed link_caps = 0; 5621 s32 err; 5622 bool negotiate = FALSE; 5623 5624 /* 5625 * Advertised speed means nothing unless it's copper or 5626 * multi-speed fiber 5627 */ 5628 if (!(hw->phy.media_type == ixgbe_media_type_copper) && 5629 !(hw->phy.multispeed_fiber)) 5630 return (0); 5631 5632 err = hw->mac.ops.get_link_capabilities(hw, &link_caps, &negotiate); 5633 if (err != IXGBE_SUCCESS) 5634 return (0); 5635 5636 speed = 5637 ((link_caps & IXGBE_LINK_SPEED_10GB_FULL) ? 0x04 : 0) | 5638 ((link_caps & IXGBE_LINK_SPEED_1GB_FULL) ? 0x02 : 0) | 5639 ((link_caps & IXGBE_LINK_SPEED_100_FULL) ? 0x01 : 0) | 5640 ((link_caps & IXGBE_LINK_SPEED_10_FULL) ? 0x08 : 0) | 5641 ((link_caps & IXGBE_LINK_SPEED_2_5GB_FULL) ? 0x10 : 0) | 5642 ((link_caps & IXGBE_LINK_SPEED_5GB_FULL) ? 0x20 : 0); 5643 5644 return speed; 5645 } /* ixgbe_get_advertise */ 5646 5647 /************************************************************************ 5648 * ixgbe_sysctl_dmac - Manage DMA Coalescing 5649 * 5650 * Control values: 5651 * 0/1 - off / on (use default value of 1000) 5652 * 5653 * Legal timer values are: 5654 * 50,100,250,500,1000,2000,5000,10000 5655 * 5656 * Turning off interrupt moderation will also turn this off. 5657 ************************************************************************/ 5658 static int 5659 ixgbe_sysctl_dmac(SYSCTLFN_ARGS) 5660 { 5661 struct sysctlnode node = *rnode; 5662 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5663 struct ifnet *ifp = adapter->ifp; 5664 int error; 5665 int newval; 5666 5667 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5668 return (EPERM); 5669 5670 newval = adapter->dmac; 5671 node.sysctl_data = &newval; 5672 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5673 if ((error) || (newp == NULL)) 5674 return (error); 5675 5676 switch (newval) { 5677 case 0: 5678 /* Disabled */ 5679 adapter->dmac = 0; 5680 break; 5681 case 1: 5682 /* Enable and use default */ 5683 adapter->dmac = 1000; 5684 break; 5685 case 50: 5686 case 100: 5687 case 250: 5688 case 500: 5689 case 1000: 5690 case 2000: 5691 case 5000: 5692 case 10000: 5693 /* Legal values - allow */ 5694 adapter->dmac = newval; 5695 break; 5696 default: 5697 /* Do nothing, illegal value */ 5698 return (EINVAL); 5699 } 5700 5701 /* Re-initialize hardware if it's already running */ 5702 if (ifp->if_flags & IFF_RUNNING) 5703 ifp->if_init(ifp); 5704 5705 return (0); 5706 } 5707 5708 #ifdef IXGBE_DEBUG 5709 /************************************************************************ 5710 * ixgbe_sysctl_power_state 5711 * 5712 * Sysctl to test power states 5713 * Values: 5714 * 0 - set device to D0 5715 * 3 - set device to D3 5716 * (none) - get current device power state 5717 ************************************************************************/ 5718 static int 5719 ixgbe_sysctl_power_state(SYSCTLFN_ARGS) 5720 { 5721 #ifdef notyet 5722 struct sysctlnode node = *rnode; 5723 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5724 device_t dev = adapter->dev; 5725 int curr_ps, new_ps, error = 0; 5726 5727 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5728 return (EPERM); 5729 5730 curr_ps = new_ps = pci_get_powerstate(dev); 5731 5732 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5733 if ((error) || (req->newp == NULL)) 5734 return (error); 5735 5736 if (new_ps == curr_ps) 5737 return (0); 5738 5739 if (new_ps == 3 && curr_ps == 0) 5740 error = DEVICE_SUSPEND(dev); 5741 else if (new_ps == 0 && curr_ps == 3) 5742 error = DEVICE_RESUME(dev); 5743 else 5744 return (EINVAL); 5745 5746 device_printf(dev, "New state: %d\n", pci_get_powerstate(dev)); 5747 5748 return (error); 5749 #else 5750 return 0; 5751 #endif 5752 } /* ixgbe_sysctl_power_state */ 5753 #endif 5754 5755 /************************************************************************ 5756 * ixgbe_sysctl_wol_enable 5757 * 5758 * Sysctl to enable/disable the WoL capability, 5759 * if supported by the adapter. 5760 * 5761 * Values: 5762 * 0 - disabled 5763 * 1 - enabled 5764 ************************************************************************/ 5765 static int 5766 ixgbe_sysctl_wol_enable(SYSCTLFN_ARGS) 5767 { 5768 struct sysctlnode node = *rnode; 5769 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5770 struct ixgbe_hw *hw = &adapter->hw; 5771 bool new_wol_enabled; 5772 int error = 0; 5773 5774 /* 5775 * It's not required to check recovery mode because this function never 5776 * touches hardware. 5777 */ 5778 new_wol_enabled = hw->wol_enabled; 5779 node.sysctl_data = &new_wol_enabled; 5780 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5781 if ((error) || (newp == NULL)) 5782 return (error); 5783 if (new_wol_enabled == hw->wol_enabled) 5784 return (0); 5785 5786 if (new_wol_enabled && !adapter->wol_support) 5787 return (ENODEV); 5788 else 5789 hw->wol_enabled = new_wol_enabled; 5790 5791 return (0); 5792 } /* ixgbe_sysctl_wol_enable */ 5793 5794 /************************************************************************ 5795 * ixgbe_sysctl_wufc - Wake Up Filter Control 5796 * 5797 * Sysctl to enable/disable the types of packets that the 5798 * adapter will wake up on upon receipt. 5799 * Flags: 5800 * 0x1 - Link Status Change 5801 * 0x2 - Magic Packet 5802 * 0x4 - Direct Exact 5803 * 0x8 - Directed Multicast 5804 * 0x10 - Broadcast 5805 * 0x20 - ARP/IPv4 Request Packet 5806 * 0x40 - Direct IPv4 Packet 5807 * 0x80 - Direct IPv6 Packet 5808 * 5809 * Settings not listed above will cause the sysctl to return an error. 5810 ************************************************************************/ 5811 static int 5812 ixgbe_sysctl_wufc(SYSCTLFN_ARGS) 5813 { 5814 struct sysctlnode node = *rnode; 5815 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5816 int error = 0; 5817 u32 new_wufc; 5818 5819 /* 5820 * It's not required to check recovery mode because this function never 5821 * touches hardware. 5822 */ 5823 new_wufc = adapter->wufc; 5824 node.sysctl_data = &new_wufc; 5825 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5826 if ((error) || (newp == NULL)) 5827 return (error); 5828 if (new_wufc == adapter->wufc) 5829 return (0); 5830 5831 if (new_wufc & 0xffffff00) 5832 return (EINVAL); 5833 5834 new_wufc &= 0xff; 5835 new_wufc |= (0xffffff & adapter->wufc); 5836 adapter->wufc = new_wufc; 5837 5838 return (0); 5839 } /* ixgbe_sysctl_wufc */ 5840 5841 #ifdef IXGBE_DEBUG 5842 /************************************************************************ 5843 * ixgbe_sysctl_print_rss_config 5844 ************************************************************************/ 5845 static int 5846 ixgbe_sysctl_print_rss_config(SYSCTLFN_ARGS) 5847 { 5848 #ifdef notyet 5849 struct sysctlnode node = *rnode; 5850 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5851 struct ixgbe_hw *hw = &adapter->hw; 5852 device_t dev = adapter->dev; 5853 struct sbuf *buf; 5854 int error = 0, reta_size; 5855 u32 reg; 5856 5857 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5858 return (EPERM); 5859 5860 buf = sbuf_new_for_sysctl(NULL, NULL, 128, req); 5861 if (!buf) { 5862 device_printf(dev, "Could not allocate sbuf for output.\n"); 5863 return (ENOMEM); 5864 } 5865 5866 // TODO: use sbufs to make a string to print out 5867 /* Set multiplier for RETA setup and table size based on MAC */ 5868 switch (adapter->hw.mac.type) { 5869 case ixgbe_mac_X550: 5870 case ixgbe_mac_X550EM_x: 5871 case ixgbe_mac_X550EM_a: 5872 reta_size = 128; 5873 break; 5874 default: 5875 reta_size = 32; 5876 break; 5877 } 5878 5879 /* Print out the redirection table */ 5880 sbuf_cat(buf, "\n"); 5881 for (int i = 0; i < reta_size; i++) { 5882 if (i < 32) { 5883 reg = IXGBE_READ_REG(hw, IXGBE_RETA(i)); 5884 sbuf_printf(buf, "RETA(%2d): 0x%08x\n", i, reg); 5885 } else { 5886 reg = IXGBE_READ_REG(hw, IXGBE_ERETA(i - 32)); 5887 sbuf_printf(buf, "ERETA(%2d): 0x%08x\n", i - 32, reg); 5888 } 5889 } 5890 5891 // TODO: print more config 5892 5893 error = sbuf_finish(buf); 5894 if (error) 5895 device_printf(dev, "Error finishing sbuf: %d\n", error); 5896 5897 sbuf_delete(buf); 5898 #endif 5899 return (0); 5900 } /* ixgbe_sysctl_print_rss_config */ 5901 #endif /* IXGBE_DEBUG */ 5902 5903 /************************************************************************ 5904 * ixgbe_sysctl_phy_temp - Retrieve temperature of PHY 5905 * 5906 * For X552/X557-AT devices using an external PHY 5907 ************************************************************************/ 5908 static int 5909 ixgbe_sysctl_phy_temp(SYSCTLFN_ARGS) 5910 { 5911 struct sysctlnode node = *rnode; 5912 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5913 struct ixgbe_hw *hw = &adapter->hw; 5914 int val; 5915 u16 reg; 5916 int error; 5917 5918 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5919 return (EPERM); 5920 5921 if (hw->device_id != IXGBE_DEV_ID_X550EM_X_10G_T) { 5922 device_printf(adapter->dev, 5923 "Device has no supported external thermal sensor.\n"); 5924 return (ENODEV); 5925 } 5926 5927 if (hw->phy.ops.read_reg(hw, IXGBE_PHY_CURRENT_TEMP, 5928 IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, ®)) { 5929 device_printf(adapter->dev, 5930 "Error reading from PHY's current temperature register\n"); 5931 return (EAGAIN); 5932 } 5933 5934 node.sysctl_data = &val; 5935 5936 /* Shift temp for output */ 5937 val = reg >> 8; 5938 5939 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5940 if ((error) || (newp == NULL)) 5941 return (error); 5942 5943 return (0); 5944 } /* ixgbe_sysctl_phy_temp */ 5945 5946 /************************************************************************ 5947 * ixgbe_sysctl_phy_overtemp_occurred 5948 * 5949 * Reports (directly from the PHY) whether the current PHY 5950 * temperature is over the overtemp threshold. 5951 ************************************************************************/ 5952 static int 5953 ixgbe_sysctl_phy_overtemp_occurred(SYSCTLFN_ARGS) 5954 { 5955 struct sysctlnode node = *rnode; 5956 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5957 struct ixgbe_hw *hw = &adapter->hw; 5958 int val, error; 5959 u16 reg; 5960 5961 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5962 return (EPERM); 5963 5964 if (hw->device_id != IXGBE_DEV_ID_X550EM_X_10G_T) { 5965 device_printf(adapter->dev, 5966 "Device has no supported external thermal sensor.\n"); 5967 return (ENODEV); 5968 } 5969 5970 if (hw->phy.ops.read_reg(hw, IXGBE_PHY_OVERTEMP_STATUS, 5971 IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, ®)) { 5972 device_printf(adapter->dev, 5973 "Error reading from PHY's temperature status register\n"); 5974 return (EAGAIN); 5975 } 5976 5977 node.sysctl_data = &val; 5978 5979 /* Get occurrence bit */ 5980 val = !!(reg & 0x4000); 5981 5982 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5983 if ((error) || (newp == NULL)) 5984 return (error); 5985 5986 return (0); 5987 } /* ixgbe_sysctl_phy_overtemp_occurred */ 5988 5989 /************************************************************************ 5990 * ixgbe_sysctl_eee_state 5991 * 5992 * Sysctl to set EEE power saving feature 5993 * Values: 5994 * 0 - disable EEE 5995 * 1 - enable EEE 5996 * (none) - get current device EEE state 5997 ************************************************************************/ 5998 static int 5999 ixgbe_sysctl_eee_state(SYSCTLFN_ARGS) 6000 { 6001 struct sysctlnode node = *rnode; 6002 struct adapter *adapter = (struct adapter *)node.sysctl_data; 6003 struct ifnet *ifp = adapter->ifp; 6004 device_t dev = adapter->dev; 6005 int curr_eee, new_eee, error = 0; 6006 s32 retval; 6007 6008 if (ixgbe_fw_recovery_mode_swflag(adapter)) 6009 return (EPERM); 6010 6011 curr_eee = new_eee = !!(adapter->feat_en & IXGBE_FEATURE_EEE); 6012 node.sysctl_data = &new_eee; 6013 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 6014 if ((error) || (newp == NULL)) 6015 return (error); 6016 6017 /* Nothing to do */ 6018 if (new_eee == curr_eee) 6019 return (0); 6020 6021 /* Not supported */ 6022 if (!(adapter->feat_cap & IXGBE_FEATURE_EEE)) 6023 return (EINVAL); 6024 6025 /* Bounds checking */ 6026 if ((new_eee < 0) || (new_eee > 1)) 6027 return (EINVAL); 6028 6029 retval = ixgbe_setup_eee(&adapter->hw, new_eee); 6030 if (retval) { 6031 device_printf(dev, "Error in EEE setup: 0x%08X\n", retval); 6032 return (EINVAL); 6033 } 6034 6035 /* Restart auto-neg */ 6036 ifp->if_init(ifp); 6037 6038 device_printf(dev, "New EEE state: %d\n", new_eee); 6039 6040 /* Cache new value */ 6041 if (new_eee) 6042 adapter->feat_en |= IXGBE_FEATURE_EEE; 6043 else 6044 adapter->feat_en &= ~IXGBE_FEATURE_EEE; 6045 6046 return (error); 6047 } /* ixgbe_sysctl_eee_state */ 6048 6049 #define PRINTQS(adapter, regname) \ 6050 do { \ 6051 struct ixgbe_hw *_hw = &(adapter)->hw; \ 6052 int _i; \ 6053 \ 6054 printf("%s: %s", device_xname((adapter)->dev), #regname); \ 6055 for (_i = 0; _i < (adapter)->num_queues; _i++) { \ 6056 printf((_i == 0) ? "\t" : " "); \ 6057 printf("%08x", IXGBE_READ_REG(_hw, \ 6058 IXGBE_##regname(_i))); \ 6059 } \ 6060 printf("\n"); \ 6061 } while (0) 6062 6063 /************************************************************************ 6064 * ixgbe_print_debug_info 6065 * 6066 * Called only when em_display_debug_stats is enabled. 6067 * Provides a way to take a look at important statistics 6068 * maintained by the driver and hardware. 6069 ************************************************************************/ 6070 static void 6071 ixgbe_print_debug_info(struct adapter *adapter) 6072 { 6073 device_t dev = adapter->dev; 6074 struct ixgbe_hw *hw = &adapter->hw; 6075 int table_size; 6076 int i; 6077 6078 switch (adapter->hw.mac.type) { 6079 case ixgbe_mac_X550: 6080 case ixgbe_mac_X550EM_x: 6081 case ixgbe_mac_X550EM_a: 6082 table_size = 128; 6083 break; 6084 default: 6085 table_size = 32; 6086 break; 6087 } 6088 6089 device_printf(dev, "[E]RETA:\n"); 6090 for (i = 0; i < table_size; i++) { 6091 if (i < 32) 6092 printf("%02x: %08x\n", i, IXGBE_READ_REG(hw, 6093 IXGBE_RETA(i))); 6094 else 6095 printf("%02x: %08x\n", i, IXGBE_READ_REG(hw, 6096 IXGBE_ERETA(i - 32))); 6097 } 6098 6099 device_printf(dev, "queue:"); 6100 for (i = 0; i < adapter->num_queues; i++) { 6101 printf((i == 0) ? "\t" : " "); 6102 printf("%8d", i); 6103 } 6104 printf("\n"); 6105 PRINTQS(adapter, RDBAL); 6106 PRINTQS(adapter, RDBAH); 6107 PRINTQS(adapter, RDLEN); 6108 PRINTQS(adapter, SRRCTL); 6109 PRINTQS(adapter, RDH); 6110 PRINTQS(adapter, RDT); 6111 PRINTQS(adapter, RXDCTL); 6112 6113 device_printf(dev, "RQSMR:"); 6114 for (i = 0; i < adapter->num_queues / 4; i++) { 6115 printf((i == 0) ? "\t" : " "); 6116 printf("%08x", IXGBE_READ_REG(hw, IXGBE_RQSMR(i))); 6117 } 6118 printf("\n"); 6119 6120 device_printf(dev, "disabled_count:"); 6121 for (i = 0; i < adapter->num_queues; i++) { 6122 printf((i == 0) ? "\t" : " "); 6123 printf("%8d", adapter->queues[i].disabled_count); 6124 } 6125 printf("\n"); 6126 6127 device_printf(dev, "EIMS:\t%08x\n", IXGBE_READ_REG(hw, IXGBE_EIMS)); 6128 if (hw->mac.type != ixgbe_mac_82598EB) { 6129 device_printf(dev, "EIMS_EX(0):\t%08x\n", 6130 IXGBE_READ_REG(hw, IXGBE_EIMS_EX(0))); 6131 device_printf(dev, "EIMS_EX(1):\t%08x\n", 6132 IXGBE_READ_REG(hw, IXGBE_EIMS_EX(1))); 6133 } 6134 } /* ixgbe_print_debug_info */ 6135 6136 /************************************************************************ 6137 * ixgbe_sysctl_debug 6138 ************************************************************************/ 6139 static int 6140 ixgbe_sysctl_debug(SYSCTLFN_ARGS) 6141 { 6142 struct sysctlnode node = *rnode; 6143 struct adapter *adapter = (struct adapter *)node.sysctl_data; 6144 int error, result = 0; 6145 6146 if (ixgbe_fw_recovery_mode_swflag(adapter)) 6147 return (EPERM); 6148 6149 node.sysctl_data = &result; 6150 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 6151 6152 if (error || newp == NULL) 6153 return error; 6154 6155 if (result == 1) 6156 ixgbe_print_debug_info(adapter); 6157 6158 return 0; 6159 } /* ixgbe_sysctl_debug */ 6160 6161 /************************************************************************ 6162 * ixgbe_init_device_features 6163 ************************************************************************/ 6164 static void 6165 ixgbe_init_device_features(struct adapter *adapter) 6166 { 6167 adapter->feat_cap = IXGBE_FEATURE_NETMAP 6168 | IXGBE_FEATURE_RSS 6169 | IXGBE_FEATURE_MSI 6170 | IXGBE_FEATURE_MSIX 6171 | IXGBE_FEATURE_LEGACY_IRQ 6172 | IXGBE_FEATURE_LEGACY_TX; 6173 6174 /* Set capabilities first... */ 6175 switch (adapter->hw.mac.type) { 6176 case ixgbe_mac_82598EB: 6177 if (adapter->hw.device_id == IXGBE_DEV_ID_82598AT) 6178 adapter->feat_cap |= IXGBE_FEATURE_FAN_FAIL; 6179 break; 6180 case ixgbe_mac_X540: 6181 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 6182 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 6183 if ((adapter->hw.device_id == IXGBE_DEV_ID_X540_BYPASS) && 6184 (adapter->hw.bus.func == 0)) 6185 adapter->feat_cap |= IXGBE_FEATURE_BYPASS; 6186 break; 6187 case ixgbe_mac_X550: 6188 /* 6189 * IXGBE_FEATURE_RECOVERY_MODE will be set after reading 6190 * NVM Image version. 6191 */ 6192 adapter->feat_cap |= IXGBE_FEATURE_TEMP_SENSOR; 6193 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 6194 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 6195 break; 6196 case ixgbe_mac_X550EM_x: 6197 /* 6198 * IXGBE_FEATURE_RECOVERY_MODE will be set after reading 6199 * NVM Image version. 6200 */ 6201 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 6202 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 6203 break; 6204 case ixgbe_mac_X550EM_a: 6205 /* 6206 * IXGBE_FEATURE_RECOVERY_MODE will be set after reading 6207 * NVM Image version. 6208 */ 6209 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 6210 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 6211 adapter->feat_cap &= ~IXGBE_FEATURE_LEGACY_IRQ; 6212 if ((adapter->hw.device_id == IXGBE_DEV_ID_X550EM_A_1G_T) || 6213 (adapter->hw.device_id == IXGBE_DEV_ID_X550EM_A_1G_T_L)) { 6214 adapter->feat_cap |= IXGBE_FEATURE_TEMP_SENSOR; 6215 adapter->feat_cap |= IXGBE_FEATURE_EEE; 6216 } 6217 break; 6218 case ixgbe_mac_82599EB: 6219 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 6220 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 6221 if ((adapter->hw.device_id == IXGBE_DEV_ID_82599_BYPASS) && 6222 (adapter->hw.bus.func == 0)) 6223 adapter->feat_cap |= IXGBE_FEATURE_BYPASS; 6224 if (adapter->hw.device_id == IXGBE_DEV_ID_82599_QSFP_SF_QP) 6225 adapter->feat_cap &= ~IXGBE_FEATURE_LEGACY_IRQ; 6226 break; 6227 default: 6228 break; 6229 } 6230 6231 /* Enabled by default... */ 6232 /* Fan failure detection */ 6233 if (adapter->feat_cap & IXGBE_FEATURE_FAN_FAIL) 6234 adapter->feat_en |= IXGBE_FEATURE_FAN_FAIL; 6235 /* Netmap */ 6236 if (adapter->feat_cap & IXGBE_FEATURE_NETMAP) 6237 adapter->feat_en |= IXGBE_FEATURE_NETMAP; 6238 /* EEE */ 6239 if (adapter->feat_cap & IXGBE_FEATURE_EEE) 6240 adapter->feat_en |= IXGBE_FEATURE_EEE; 6241 /* Thermal Sensor */ 6242 if (adapter->feat_cap & IXGBE_FEATURE_TEMP_SENSOR) 6243 adapter->feat_en |= IXGBE_FEATURE_TEMP_SENSOR; 6244 /* 6245 * Recovery mode: 6246 * NetBSD: IXGBE_FEATURE_RECOVERY_MODE will be controlled after reading 6247 * NVM Image version. 6248 */ 6249 6250 /* Enabled via global sysctl... */ 6251 /* Flow Director */ 6252 if (ixgbe_enable_fdir) { 6253 if (adapter->feat_cap & IXGBE_FEATURE_FDIR) 6254 adapter->feat_en |= IXGBE_FEATURE_FDIR; 6255 else 6256 device_printf(adapter->dev, "Device does not support Flow Director. Leaving disabled."); 6257 } 6258 /* Legacy (single queue) transmit */ 6259 if ((adapter->feat_cap & IXGBE_FEATURE_LEGACY_TX) && 6260 ixgbe_enable_legacy_tx) 6261 adapter->feat_en |= IXGBE_FEATURE_LEGACY_TX; 6262 /* 6263 * Message Signal Interrupts - Extended (MSI-X) 6264 * Normal MSI is only enabled if MSI-X calls fail. 6265 */ 6266 if (!ixgbe_enable_msix) 6267 adapter->feat_cap &= ~IXGBE_FEATURE_MSIX; 6268 /* Receive-Side Scaling (RSS) */ 6269 if ((adapter->feat_cap & IXGBE_FEATURE_RSS) && ixgbe_enable_rss) 6270 adapter->feat_en |= IXGBE_FEATURE_RSS; 6271 6272 /* Disable features with unmet dependencies... */ 6273 /* No MSI-X */ 6274 if (!(adapter->feat_cap & IXGBE_FEATURE_MSIX)) { 6275 adapter->feat_cap &= ~IXGBE_FEATURE_RSS; 6276 adapter->feat_cap &= ~IXGBE_FEATURE_SRIOV; 6277 adapter->feat_en &= ~IXGBE_FEATURE_RSS; 6278 adapter->feat_en &= ~IXGBE_FEATURE_SRIOV; 6279 } 6280 } /* ixgbe_init_device_features */ 6281 6282 /************************************************************************ 6283 * ixgbe_probe - Device identification routine 6284 * 6285 * Determines if the driver should be loaded on 6286 * adapter based on its PCI vendor/device ID. 6287 * 6288 * return BUS_PROBE_DEFAULT on success, positive on failure 6289 ************************************************************************/ 6290 static int 6291 ixgbe_probe(device_t dev, cfdata_t cf, void *aux) 6292 { 6293 const struct pci_attach_args *pa = aux; 6294 6295 return (ixgbe_lookup(pa) != NULL) ? 1 : 0; 6296 } 6297 6298 static const ixgbe_vendor_info_t * 6299 ixgbe_lookup(const struct pci_attach_args *pa) 6300 { 6301 const ixgbe_vendor_info_t *ent; 6302 pcireg_t subid; 6303 6304 INIT_DEBUGOUT("ixgbe_lookup: begin"); 6305 6306 if (PCI_VENDOR(pa->pa_id) != IXGBE_INTEL_VENDOR_ID) 6307 return NULL; 6308 6309 subid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG); 6310 6311 for (ent = ixgbe_vendor_info_array; ent->vendor_id != 0; ent++) { 6312 if ((PCI_VENDOR(pa->pa_id) == ent->vendor_id) && 6313 (PCI_PRODUCT(pa->pa_id) == ent->device_id) && 6314 ((PCI_SUBSYS_VENDOR(subid) == ent->subvendor_id) || 6315 (ent->subvendor_id == 0)) && 6316 ((PCI_SUBSYS_ID(subid) == ent->subdevice_id) || 6317 (ent->subdevice_id == 0))) { 6318 return ent; 6319 } 6320 } 6321 return NULL; 6322 } 6323 6324 static int 6325 ixgbe_ifflags_cb(struct ethercom *ec) 6326 { 6327 struct ifnet *ifp = &ec->ec_if; 6328 struct adapter *adapter = ifp->if_softc; 6329 u_short change; 6330 int rv = 0; 6331 6332 IXGBE_CORE_LOCK(adapter); 6333 6334 change = ifp->if_flags ^ adapter->if_flags; 6335 if (change != 0) 6336 adapter->if_flags = ifp->if_flags; 6337 6338 if ((change & ~(IFF_CANTCHANGE | IFF_DEBUG)) != 0) { 6339 rv = ENETRESET; 6340 goto out; 6341 } else if ((change & IFF_PROMISC) != 0) 6342 ixgbe_set_rxfilter(adapter); 6343 6344 /* Check for ec_capenable. */ 6345 change = ec->ec_capenable ^ adapter->ec_capenable; 6346 adapter->ec_capenable = ec->ec_capenable; 6347 if ((change & ~(ETHERCAP_VLAN_MTU | ETHERCAP_VLAN_HWTAGGING 6348 | ETHERCAP_VLAN_HWFILTER)) != 0) { 6349 rv = ENETRESET; 6350 goto out; 6351 } 6352 6353 /* 6354 * Special handling is not required for ETHERCAP_VLAN_MTU. 6355 * MAXFRS(MHADD) does not include the 4bytes of the VLAN header. 6356 */ 6357 6358 /* Set up VLAN support and filter */ 6359 if ((change & (ETHERCAP_VLAN_HWTAGGING | ETHERCAP_VLAN_HWFILTER)) != 0) 6360 ixgbe_setup_vlan_hw_support(adapter); 6361 6362 out: 6363 IXGBE_CORE_UNLOCK(adapter); 6364 6365 return rv; 6366 } 6367 6368 /************************************************************************ 6369 * ixgbe_ioctl - Ioctl entry point 6370 * 6371 * Called when the user wants to configure the interface. 6372 * 6373 * return 0 on success, positive on failure 6374 ************************************************************************/ 6375 static int 6376 ixgbe_ioctl(struct ifnet *ifp, u_long command, void *data) 6377 { 6378 struct adapter *adapter = ifp->if_softc; 6379 struct ixgbe_hw *hw = &adapter->hw; 6380 struct ifcapreq *ifcr = data; 6381 struct ifreq *ifr = data; 6382 int error = 0; 6383 int l4csum_en; 6384 const int l4csum = IFCAP_CSUM_TCPv4_Rx | IFCAP_CSUM_UDPv4_Rx | 6385 IFCAP_CSUM_TCPv6_Rx | IFCAP_CSUM_UDPv6_Rx; 6386 6387 if (ixgbe_fw_recovery_mode_swflag(adapter)) 6388 return (EPERM); 6389 6390 switch (command) { 6391 case SIOCSIFFLAGS: 6392 IOCTL_DEBUGOUT("ioctl: SIOCSIFFLAGS (Set Interface Flags)"); 6393 break; 6394 case SIOCADDMULTI: 6395 case SIOCDELMULTI: 6396 IOCTL_DEBUGOUT("ioctl: SIOC(ADD|DEL)MULTI"); 6397 break; 6398 case SIOCSIFMEDIA: 6399 case SIOCGIFMEDIA: 6400 IOCTL_DEBUGOUT("ioctl: SIOCxIFMEDIA (Get/Set Interface Media)"); 6401 break; 6402 case SIOCSIFCAP: 6403 IOCTL_DEBUGOUT("ioctl: SIOCSIFCAP (Set Capabilities)"); 6404 break; 6405 case SIOCSIFMTU: 6406 IOCTL_DEBUGOUT("ioctl: SIOCSIFMTU (Set Interface MTU)"); 6407 break; 6408 #ifdef __NetBSD__ 6409 case SIOCINITIFADDR: 6410 IOCTL_DEBUGOUT("ioctl: SIOCINITIFADDR"); 6411 break; 6412 case SIOCGIFFLAGS: 6413 IOCTL_DEBUGOUT("ioctl: SIOCGIFFLAGS"); 6414 break; 6415 case SIOCGIFAFLAG_IN: 6416 IOCTL_DEBUGOUT("ioctl: SIOCGIFAFLAG_IN"); 6417 break; 6418 case SIOCGIFADDR: 6419 IOCTL_DEBUGOUT("ioctl: SIOCGIFADDR"); 6420 break; 6421 case SIOCGIFMTU: 6422 IOCTL_DEBUGOUT("ioctl: SIOCGIFMTU (Get Interface MTU)"); 6423 break; 6424 case SIOCGIFCAP: 6425 IOCTL_DEBUGOUT("ioctl: SIOCGIFCAP (Get IF cap)"); 6426 break; 6427 case SIOCGETHERCAP: 6428 IOCTL_DEBUGOUT("ioctl: SIOCGETHERCAP (Get ethercap)"); 6429 break; 6430 case SIOCGLIFADDR: 6431 IOCTL_DEBUGOUT("ioctl: SIOCGLIFADDR (Get Interface addr)"); 6432 break; 6433 case SIOCZIFDATA: 6434 IOCTL_DEBUGOUT("ioctl: SIOCZIFDATA (Zero counter)"); 6435 hw->mac.ops.clear_hw_cntrs(hw); 6436 ixgbe_clear_evcnt(adapter); 6437 break; 6438 case SIOCAIFADDR: 6439 IOCTL_DEBUGOUT("ioctl: SIOCAIFADDR (add/chg IF alias)"); 6440 break; 6441 #endif 6442 default: 6443 IOCTL_DEBUGOUT1("ioctl: UNKNOWN (0x%X)", (int)command); 6444 break; 6445 } 6446 6447 switch (command) { 6448 case SIOCGI2C: 6449 { 6450 struct ixgbe_i2c_req i2c; 6451 6452 IOCTL_DEBUGOUT("ioctl: SIOCGI2C (Get I2C Data)"); 6453 error = copyin(ifr->ifr_data, &i2c, sizeof(i2c)); 6454 if (error != 0) 6455 break; 6456 if (i2c.dev_addr != 0xA0 && i2c.dev_addr != 0xA2) { 6457 error = EINVAL; 6458 break; 6459 } 6460 if (i2c.len > sizeof(i2c.data)) { 6461 error = EINVAL; 6462 break; 6463 } 6464 6465 hw->phy.ops.read_i2c_byte(hw, i2c.offset, 6466 i2c.dev_addr, i2c.data); 6467 error = copyout(&i2c, ifr->ifr_data, sizeof(i2c)); 6468 break; 6469 } 6470 case SIOCSIFCAP: 6471 /* Layer-4 Rx checksum offload has to be turned on and 6472 * off as a unit. 6473 */ 6474 l4csum_en = ifcr->ifcr_capenable & l4csum; 6475 if (l4csum_en != l4csum && l4csum_en != 0) 6476 return EINVAL; 6477 /*FALLTHROUGH*/ 6478 case SIOCADDMULTI: 6479 case SIOCDELMULTI: 6480 case SIOCSIFFLAGS: 6481 case SIOCSIFMTU: 6482 default: 6483 if ((error = ether_ioctl(ifp, command, data)) != ENETRESET) 6484 return error; 6485 if ((ifp->if_flags & IFF_RUNNING) == 0) 6486 ; 6487 else if (command == SIOCSIFCAP || command == SIOCSIFMTU) { 6488 IXGBE_CORE_LOCK(adapter); 6489 if ((ifp->if_flags & IFF_RUNNING) != 0) 6490 ixgbe_init_locked(adapter); 6491 ixgbe_recalculate_max_frame(adapter); 6492 IXGBE_CORE_UNLOCK(adapter); 6493 } else if (command == SIOCADDMULTI || command == SIOCDELMULTI) { 6494 /* 6495 * Multicast list has changed; set the hardware filter 6496 * accordingly. 6497 */ 6498 IXGBE_CORE_LOCK(adapter); 6499 ixgbe_disable_intr(adapter); 6500 ixgbe_set_rxfilter(adapter); 6501 ixgbe_enable_intr(adapter); 6502 IXGBE_CORE_UNLOCK(adapter); 6503 } 6504 return 0; 6505 } 6506 6507 return error; 6508 } /* ixgbe_ioctl */ 6509 6510 /************************************************************************ 6511 * ixgbe_check_fan_failure 6512 ************************************************************************/ 6513 static void 6514 ixgbe_check_fan_failure(struct adapter *adapter, u32 reg, bool in_interrupt) 6515 { 6516 u32 mask; 6517 6518 mask = (in_interrupt) ? IXGBE_EICR_GPI_SDP1_BY_MAC(&adapter->hw) : 6519 IXGBE_ESDP_SDP1; 6520 6521 if (reg & mask) 6522 device_printf(adapter->dev, "\nCRITICAL: FAN FAILURE!! REPLACE IMMEDIATELY!!\n"); 6523 } /* ixgbe_check_fan_failure */ 6524 6525 /************************************************************************ 6526 * ixgbe_handle_que 6527 ************************************************************************/ 6528 static void 6529 ixgbe_handle_que(void *context) 6530 { 6531 struct ix_queue *que = context; 6532 struct adapter *adapter = que->adapter; 6533 struct tx_ring *txr = que->txr; 6534 struct ifnet *ifp = adapter->ifp; 6535 bool more = false; 6536 6537 que->handleq.ev_count++; 6538 6539 if (ifp->if_flags & IFF_RUNNING) { 6540 more = ixgbe_rxeof(que); 6541 IXGBE_TX_LOCK(txr); 6542 more |= ixgbe_txeof(txr); 6543 if (!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX)) 6544 if (!ixgbe_mq_ring_empty(ifp, txr->txr_interq)) 6545 ixgbe_mq_start_locked(ifp, txr); 6546 /* Only for queue 0 */ 6547 /* NetBSD still needs this for CBQ */ 6548 if ((&adapter->queues[0] == que) 6549 && (!ixgbe_legacy_ring_empty(ifp, NULL))) 6550 ixgbe_legacy_start_locked(ifp, txr); 6551 IXGBE_TX_UNLOCK(txr); 6552 } 6553 6554 if (more) { 6555 que->req.ev_count++; 6556 ixgbe_sched_handle_que(adapter, que); 6557 } else if (que->res != NULL) { 6558 /* Re-enable this interrupt */ 6559 ixgbe_enable_queue(adapter, que->msix); 6560 } else 6561 ixgbe_enable_intr(adapter); 6562 6563 return; 6564 } /* ixgbe_handle_que */ 6565 6566 /************************************************************************ 6567 * ixgbe_handle_que_work 6568 ************************************************************************/ 6569 static void 6570 ixgbe_handle_que_work(struct work *wk, void *context) 6571 { 6572 struct ix_queue *que = container_of(wk, struct ix_queue, wq_cookie); 6573 6574 /* 6575 * "enqueued flag" is not required here. 6576 * See ixgbe_msix_que(). 6577 */ 6578 ixgbe_handle_que(que); 6579 } 6580 6581 /************************************************************************ 6582 * ixgbe_allocate_legacy - Setup the Legacy or MSI Interrupt handler 6583 ************************************************************************/ 6584 static int 6585 ixgbe_allocate_legacy(struct adapter *adapter, 6586 const struct pci_attach_args *pa) 6587 { 6588 device_t dev = adapter->dev; 6589 struct ix_queue *que = adapter->queues; 6590 struct tx_ring *txr = adapter->tx_rings; 6591 int counts[PCI_INTR_TYPE_SIZE]; 6592 pci_intr_type_t intr_type, max_type; 6593 char intrbuf[PCI_INTRSTR_LEN]; 6594 char wqname[MAXCOMLEN]; 6595 const char *intrstr = NULL; 6596 int defertx_error = 0, error; 6597 6598 /* We allocate a single interrupt resource */ 6599 max_type = PCI_INTR_TYPE_MSI; 6600 counts[PCI_INTR_TYPE_MSIX] = 0; 6601 counts[PCI_INTR_TYPE_MSI] = 6602 (adapter->feat_en & IXGBE_FEATURE_MSI) ? 1 : 0; 6603 /* Check not feat_en but feat_cap to fallback to INTx */ 6604 counts[PCI_INTR_TYPE_INTX] = 6605 (adapter->feat_cap & IXGBE_FEATURE_LEGACY_IRQ) ? 1 : 0; 6606 6607 alloc_retry: 6608 if (pci_intr_alloc(pa, &adapter->osdep.intrs, counts, max_type) != 0) { 6609 aprint_error_dev(dev, "couldn't alloc interrupt\n"); 6610 return ENXIO; 6611 } 6612 adapter->osdep.nintrs = 1; 6613 intrstr = pci_intr_string(adapter->osdep.pc, adapter->osdep.intrs[0], 6614 intrbuf, sizeof(intrbuf)); 6615 adapter->osdep.ihs[0] = pci_intr_establish_xname(adapter->osdep.pc, 6616 adapter->osdep.intrs[0], IPL_NET, ixgbe_legacy_irq, que, 6617 device_xname(dev)); 6618 intr_type = pci_intr_type(adapter->osdep.pc, adapter->osdep.intrs[0]); 6619 if (adapter->osdep.ihs[0] == NULL) { 6620 aprint_error_dev(dev,"unable to establish %s\n", 6621 (intr_type == PCI_INTR_TYPE_MSI) ? "MSI" : "INTx"); 6622 pci_intr_release(adapter->osdep.pc, adapter->osdep.intrs, 1); 6623 adapter->osdep.intrs = NULL; 6624 switch (intr_type) { 6625 case PCI_INTR_TYPE_MSI: 6626 /* The next try is for INTx: Disable MSI */ 6627 max_type = PCI_INTR_TYPE_INTX; 6628 counts[PCI_INTR_TYPE_INTX] = 1; 6629 adapter->feat_en &= ~IXGBE_FEATURE_MSI; 6630 if (adapter->feat_cap & IXGBE_FEATURE_LEGACY_IRQ) { 6631 adapter->feat_en |= IXGBE_FEATURE_LEGACY_IRQ; 6632 goto alloc_retry; 6633 } else 6634 break; 6635 case PCI_INTR_TYPE_INTX: 6636 default: 6637 /* See below */ 6638 break; 6639 } 6640 } 6641 if (intr_type == PCI_INTR_TYPE_INTX) { 6642 adapter->feat_en &= ~IXGBE_FEATURE_MSI; 6643 adapter->feat_en |= IXGBE_FEATURE_LEGACY_IRQ; 6644 } 6645 if (adapter->osdep.ihs[0] == NULL) { 6646 aprint_error_dev(dev, 6647 "couldn't establish interrupt%s%s\n", 6648 intrstr ? " at " : "", intrstr ? intrstr : ""); 6649 pci_intr_release(adapter->osdep.pc, adapter->osdep.intrs, 1); 6650 adapter->osdep.intrs = NULL; 6651 return ENXIO; 6652 } 6653 aprint_normal_dev(dev, "interrupting at %s\n", intrstr); 6654 /* 6655 * Try allocating a fast interrupt and the associated deferred 6656 * processing contexts. 6657 */ 6658 if (!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX)) { 6659 txr->txr_si = 6660 softint_establish(SOFTINT_NET | IXGBE_SOFTINT_FLAGS, 6661 ixgbe_deferred_mq_start, txr); 6662 6663 snprintf(wqname, sizeof(wqname), "%sdeferTx", device_xname(dev)); 6664 defertx_error = workqueue_create(&adapter->txr_wq, wqname, 6665 ixgbe_deferred_mq_start_work, adapter, IXGBE_WORKQUEUE_PRI, 6666 IPL_NET, IXGBE_WORKQUEUE_FLAGS); 6667 adapter->txr_wq_enqueued = percpu_alloc(sizeof(u_int)); 6668 } 6669 que->que_si = softint_establish(SOFTINT_NET | IXGBE_SOFTINT_FLAGS, 6670 ixgbe_handle_que, que); 6671 snprintf(wqname, sizeof(wqname), "%sTxRx", device_xname(dev)); 6672 error = workqueue_create(&adapter->que_wq, wqname, 6673 ixgbe_handle_que_work, adapter, IXGBE_WORKQUEUE_PRI, IPL_NET, 6674 IXGBE_WORKQUEUE_FLAGS); 6675 6676 if ((!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX) 6677 && ((txr->txr_si == NULL) || defertx_error != 0)) 6678 || (que->que_si == NULL) || error != 0) { 6679 aprint_error_dev(dev, 6680 "could not establish software interrupts\n"); 6681 6682 return ENXIO; 6683 } 6684 /* For simplicity in the handlers */ 6685 adapter->active_queues = IXGBE_EIMS_ENABLE_MASK; 6686 6687 return (0); 6688 } /* ixgbe_allocate_legacy */ 6689 6690 /************************************************************************ 6691 * ixgbe_allocate_msix - Setup MSI-X Interrupt resources and handlers 6692 ************************************************************************/ 6693 static int 6694 ixgbe_allocate_msix(struct adapter *adapter, const struct pci_attach_args *pa) 6695 { 6696 device_t dev = adapter->dev; 6697 struct ix_queue *que = adapter->queues; 6698 struct tx_ring *txr = adapter->tx_rings; 6699 pci_chipset_tag_t pc; 6700 char intrbuf[PCI_INTRSTR_LEN]; 6701 char intr_xname[32]; 6702 char wqname[MAXCOMLEN]; 6703 const char *intrstr = NULL; 6704 int error, vector = 0; 6705 int cpu_id = 0; 6706 kcpuset_t *affinity; 6707 #ifdef RSS 6708 unsigned int rss_buckets = 0; 6709 kcpuset_t cpu_mask; 6710 #endif 6711 6712 pc = adapter->osdep.pc; 6713 #ifdef RSS 6714 /* 6715 * If we're doing RSS, the number of queues needs to 6716 * match the number of RSS buckets that are configured. 6717 * 6718 * + If there's more queues than RSS buckets, we'll end 6719 * up with queues that get no traffic. 6720 * 6721 * + If there's more RSS buckets than queues, we'll end 6722 * up having multiple RSS buckets map to the same queue, 6723 * so there'll be some contention. 6724 */ 6725 rss_buckets = rss_getnumbuckets(); 6726 if ((adapter->feat_en & IXGBE_FEATURE_RSS) && 6727 (adapter->num_queues != rss_buckets)) { 6728 device_printf(dev, 6729 "%s: number of queues (%d) != number of RSS buckets (%d)" 6730 "; performance will be impacted.\n", 6731 __func__, adapter->num_queues, rss_buckets); 6732 } 6733 #endif 6734 6735 adapter->osdep.nintrs = adapter->num_queues + 1; 6736 if (pci_msix_alloc_exact(pa, &adapter->osdep.intrs, 6737 adapter->osdep.nintrs) != 0) { 6738 aprint_error_dev(dev, 6739 "failed to allocate MSI-X interrupt\n"); 6740 return (ENXIO); 6741 } 6742 6743 kcpuset_create(&affinity, false); 6744 for (int i = 0; i < adapter->num_queues; i++, vector++, que++, txr++) { 6745 snprintf(intr_xname, sizeof(intr_xname), "%s TXRX%d", 6746 device_xname(dev), i); 6747 intrstr = pci_intr_string(pc, adapter->osdep.intrs[i], intrbuf, 6748 sizeof(intrbuf)); 6749 #ifdef IXGBE_MPSAFE 6750 pci_intr_setattr(pc, &adapter->osdep.intrs[i], PCI_INTR_MPSAFE, 6751 true); 6752 #endif 6753 /* Set the handler function */ 6754 que->res = adapter->osdep.ihs[i] = pci_intr_establish_xname(pc, 6755 adapter->osdep.intrs[i], IPL_NET, ixgbe_msix_que, que, 6756 intr_xname); 6757 if (que->res == NULL) { 6758 aprint_error_dev(dev, 6759 "Failed to register QUE handler\n"); 6760 error = ENXIO; 6761 goto err_out; 6762 } 6763 que->msix = vector; 6764 adapter->active_queues |= 1ULL << que->msix; 6765 6766 if (adapter->feat_en & IXGBE_FEATURE_RSS) { 6767 #ifdef RSS 6768 /* 6769 * The queue ID is used as the RSS layer bucket ID. 6770 * We look up the queue ID -> RSS CPU ID and select 6771 * that. 6772 */ 6773 cpu_id = rss_getcpu(i % rss_getnumbuckets()); 6774 CPU_SETOF(cpu_id, &cpu_mask); 6775 #endif 6776 } else { 6777 /* 6778 * Bind the MSI-X vector, and thus the 6779 * rings to the corresponding CPU. 6780 * 6781 * This just happens to match the default RSS 6782 * round-robin bucket -> queue -> CPU allocation. 6783 */ 6784 if (adapter->num_queues > 1) 6785 cpu_id = i; 6786 } 6787 /* Round-robin affinity */ 6788 kcpuset_zero(affinity); 6789 kcpuset_set(affinity, cpu_id % ncpu); 6790 error = interrupt_distribute(adapter->osdep.ihs[i], affinity, 6791 NULL); 6792 aprint_normal_dev(dev, "for TX/RX, interrupting at %s", 6793 intrstr); 6794 if (error == 0) { 6795 #if 1 /* def IXGBE_DEBUG */ 6796 #ifdef RSS 6797 aprintf_normal(", bound RSS bucket %d to CPU %d", i, 6798 cpu_id % ncpu); 6799 #else 6800 aprint_normal(", bound queue %d to cpu %d", i, 6801 cpu_id % ncpu); 6802 #endif 6803 #endif /* IXGBE_DEBUG */ 6804 } 6805 aprint_normal("\n"); 6806 6807 if (!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX)) { 6808 txr->txr_si = softint_establish( 6809 SOFTINT_NET | IXGBE_SOFTINT_FLAGS, 6810 ixgbe_deferred_mq_start, txr); 6811 if (txr->txr_si == NULL) { 6812 aprint_error_dev(dev, 6813 "couldn't establish software interrupt\n"); 6814 error = ENXIO; 6815 goto err_out; 6816 } 6817 } 6818 que->que_si 6819 = softint_establish(SOFTINT_NET | IXGBE_SOFTINT_FLAGS, 6820 ixgbe_handle_que, que); 6821 if (que->que_si == NULL) { 6822 aprint_error_dev(dev, 6823 "couldn't establish software interrupt\n"); 6824 error = ENXIO; 6825 goto err_out; 6826 } 6827 } 6828 snprintf(wqname, sizeof(wqname), "%sdeferTx", device_xname(dev)); 6829 error = workqueue_create(&adapter->txr_wq, wqname, 6830 ixgbe_deferred_mq_start_work, adapter, IXGBE_WORKQUEUE_PRI, IPL_NET, 6831 IXGBE_WORKQUEUE_FLAGS); 6832 if (error) { 6833 aprint_error_dev(dev, "couldn't create workqueue for deferred Tx\n"); 6834 goto err_out; 6835 } 6836 adapter->txr_wq_enqueued = percpu_alloc(sizeof(u_int)); 6837 6838 snprintf(wqname, sizeof(wqname), "%sTxRx", device_xname(dev)); 6839 error = workqueue_create(&adapter->que_wq, wqname, 6840 ixgbe_handle_que_work, adapter, IXGBE_WORKQUEUE_PRI, IPL_NET, 6841 IXGBE_WORKQUEUE_FLAGS); 6842 if (error) { 6843 aprint_error_dev(dev, "couldn't create workqueue for Tx/Rx\n"); 6844 goto err_out; 6845 } 6846 6847 /* and Link */ 6848 cpu_id++; 6849 snprintf(intr_xname, sizeof(intr_xname), "%s link", device_xname(dev)); 6850 adapter->vector = vector; 6851 intrstr = pci_intr_string(pc, adapter->osdep.intrs[vector], intrbuf, 6852 sizeof(intrbuf)); 6853 #ifdef IXGBE_MPSAFE 6854 pci_intr_setattr(pc, &adapter->osdep.intrs[vector], PCI_INTR_MPSAFE, 6855 true); 6856 #endif 6857 /* Set the link handler function */ 6858 adapter->osdep.ihs[vector] = pci_intr_establish_xname(pc, 6859 adapter->osdep.intrs[vector], IPL_NET, ixgbe_msix_admin, adapter, 6860 intr_xname); 6861 if (adapter->osdep.ihs[vector] == NULL) { 6862 aprint_error_dev(dev, "Failed to register LINK handler\n"); 6863 error = ENXIO; 6864 goto err_out; 6865 } 6866 /* Round-robin affinity */ 6867 kcpuset_zero(affinity); 6868 kcpuset_set(affinity, cpu_id % ncpu); 6869 error = interrupt_distribute(adapter->osdep.ihs[vector], affinity, 6870 NULL); 6871 6872 aprint_normal_dev(dev, 6873 "for link, interrupting at %s", intrstr); 6874 if (error == 0) 6875 aprint_normal(", affinity to cpu %d\n", cpu_id % ncpu); 6876 else 6877 aprint_normal("\n"); 6878 6879 kcpuset_destroy(affinity); 6880 aprint_normal_dev(dev, 6881 "Using MSI-X interrupts with %d vectors\n", vector + 1); 6882 6883 return (0); 6884 6885 err_out: 6886 kcpuset_destroy(affinity); 6887 ixgbe_free_workqueue(adapter); 6888 ixgbe_free_pciintr_resources(adapter); 6889 return (error); 6890 } /* ixgbe_allocate_msix */ 6891 6892 /************************************************************************ 6893 * ixgbe_configure_interrupts 6894 * 6895 * Setup MSI-X, MSI, or legacy interrupts (in that order). 6896 * This will also depend on user settings. 6897 ************************************************************************/ 6898 static int 6899 ixgbe_configure_interrupts(struct adapter *adapter) 6900 { 6901 device_t dev = adapter->dev; 6902 struct ixgbe_mac_info *mac = &adapter->hw.mac; 6903 int want, queues, msgs; 6904 6905 /* Default to 1 queue if MSI-X setup fails */ 6906 adapter->num_queues = 1; 6907 6908 /* Override by tuneable */ 6909 if (!(adapter->feat_cap & IXGBE_FEATURE_MSIX)) 6910 goto msi; 6911 6912 /* 6913 * NetBSD only: Use single vector MSI when number of CPU is 1 to save 6914 * interrupt slot. 6915 */ 6916 if (ncpu == 1) 6917 goto msi; 6918 6919 /* First try MSI-X */ 6920 msgs = pci_msix_count(adapter->osdep.pc, adapter->osdep.tag); 6921 msgs = MIN(msgs, IXG_MAX_NINTR); 6922 if (msgs < 2) 6923 goto msi; 6924 6925 adapter->msix_mem = (void *)1; /* XXX */ 6926 6927 /* Figure out a reasonable auto config value */ 6928 queues = (ncpu > (msgs - 1)) ? (msgs - 1) : ncpu; 6929 6930 #ifdef RSS 6931 /* If we're doing RSS, clamp at the number of RSS buckets */ 6932 if (adapter->feat_en & IXGBE_FEATURE_RSS) 6933 queues = uimin(queues, rss_getnumbuckets()); 6934 #endif 6935 if (ixgbe_num_queues > queues) { 6936 aprint_error_dev(adapter->dev, "ixgbe_num_queues (%d) is too large, using reduced amount (%d).\n", ixgbe_num_queues, queues); 6937 ixgbe_num_queues = queues; 6938 } 6939 6940 if (ixgbe_num_queues != 0) 6941 queues = ixgbe_num_queues; 6942 else 6943 queues = uimin(queues, 6944 uimin(mac->max_tx_queues, mac->max_rx_queues)); 6945 6946 /* reflect correct sysctl value */ 6947 ixgbe_num_queues = queues; 6948 6949 /* 6950 * Want one vector (RX/TX pair) per queue 6951 * plus an additional for Link. 6952 */ 6953 want = queues + 1; 6954 if (msgs >= want) 6955 msgs = want; 6956 else { 6957 aprint_error_dev(dev, "MSI-X Configuration Problem, " 6958 "%d vectors but %d queues wanted!\n", 6959 msgs, want); 6960 goto msi; 6961 } 6962 adapter->num_queues = queues; 6963 adapter->feat_en |= IXGBE_FEATURE_MSIX; 6964 return (0); 6965 6966 /* 6967 * MSI-X allocation failed or provided us with 6968 * less vectors than needed. Free MSI-X resources 6969 * and we'll try enabling MSI. 6970 */ 6971 msi: 6972 /* Without MSI-X, some features are no longer supported */ 6973 adapter->feat_cap &= ~IXGBE_FEATURE_RSS; 6974 adapter->feat_en &= ~IXGBE_FEATURE_RSS; 6975 adapter->feat_cap &= ~IXGBE_FEATURE_SRIOV; 6976 adapter->feat_en &= ~IXGBE_FEATURE_SRIOV; 6977 6978 msgs = pci_msi_count(adapter->osdep.pc, adapter->osdep.tag); 6979 adapter->msix_mem = NULL; /* XXX */ 6980 if (msgs > 1) 6981 msgs = 1; 6982 if (msgs != 0) { 6983 msgs = 1; 6984 adapter->feat_en |= IXGBE_FEATURE_MSI; 6985 return (0); 6986 } 6987 6988 if (!(adapter->feat_cap & IXGBE_FEATURE_LEGACY_IRQ)) { 6989 aprint_error_dev(dev, 6990 "Device does not support legacy interrupts.\n"); 6991 return 1; 6992 } 6993 6994 adapter->feat_en |= IXGBE_FEATURE_LEGACY_IRQ; 6995 6996 return (0); 6997 } /* ixgbe_configure_interrupts */ 6998 6999 7000 /************************************************************************ 7001 * ixgbe_handle_link - Tasklet for MSI-X Link interrupts 7002 * 7003 * Done outside of interrupt context since the driver might sleep 7004 ************************************************************************/ 7005 static void 7006 ixgbe_handle_link(void *context) 7007 { 7008 struct adapter *adapter = context; 7009 struct ixgbe_hw *hw = &adapter->hw; 7010 7011 ++adapter->link_workev.ev_count; 7012 ixgbe_check_link(hw, &adapter->link_speed, &adapter->link_up, 0); 7013 ixgbe_update_link_status(adapter); 7014 7015 /* Re-enable link interrupts */ 7016 IXGBE_WRITE_REG(hw, IXGBE_EIMS, IXGBE_EIMS_LSC); 7017 } /* ixgbe_handle_link */ 7018 7019 #if 0 7020 /************************************************************************ 7021 * ixgbe_rearm_queues 7022 ************************************************************************/ 7023 static __inline void 7024 ixgbe_rearm_queues(struct adapter *adapter, u64 queues) 7025 { 7026 u32 mask; 7027 7028 switch (adapter->hw.mac.type) { 7029 case ixgbe_mac_82598EB: 7030 mask = (IXGBE_EIMS_RTX_QUEUE & queues); 7031 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS, mask); 7032 break; 7033 case ixgbe_mac_82599EB: 7034 case ixgbe_mac_X540: 7035 case ixgbe_mac_X550: 7036 case ixgbe_mac_X550EM_x: 7037 case ixgbe_mac_X550EM_a: 7038 mask = (queues & 0xFFFFFFFF); 7039 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS_EX(0), mask); 7040 mask = (queues >> 32); 7041 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS_EX(1), mask); 7042 break; 7043 default: 7044 break; 7045 } 7046 } /* ixgbe_rearm_queues */ 7047 #endif 7048
Indexes created Tue Sep 30 07:10:03 GMT 2025