ixgbe.c revision 1.201
1 /* $NetBSD: ixgbe.c,v 1.201 2019/08/21 06:00:07 msaitoh Exp $ */ 2 3 /****************************************************************************** 4 5 Copyright (c) 2001-2017, Intel Corporation 6 All rights reserved. 7 8 Redistribution and use in source and binary forms, with or without 9 modification, are permitted provided that the following conditions are met: 10 11 1. Redistributions of source code must retain the above copyright notice, 12 this list of conditions and the following disclaimer. 13 14 2. Redistributions in binary form must reproduce the above copyright 15 notice, this list of conditions and the following disclaimer in the 16 documentation and/or other materials provided with the distribution. 17 18 3. Neither the name of the Intel Corporation nor the names of its 19 contributors may be used to endorse or promote products derived from 20 this software without specific prior written permission. 21 22 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 23 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 26 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32 POSSIBILITY OF SUCH DAMAGE. 33 34 ******************************************************************************/ 35 /*$FreeBSD: head/sys/dev/ixgbe/if_ix.c 331224 2018-03-19 20:55:05Z erj $*/ 36 37 /* 38 * Copyright (c) 2011 The NetBSD Foundation, Inc. 39 * All rights reserved. 40 * 41 * This code is derived from software contributed to The NetBSD Foundation 42 * by Coyote Point Systems, Inc. 43 * 44 * Redistribution and use in source and binary forms, with or without 45 * modification, are permitted provided that the following conditions 46 * are met: 47 * 1. Redistributions of source code must retain the above copyright 48 * notice, this list of conditions and the following disclaimer. 49 * 2. Redistributions in binary form must reproduce the above copyright 50 * notice, this list of conditions and the following disclaimer in the 51 * documentation and/or other materials provided with the distribution. 52 * 53 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 54 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 55 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 56 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 57 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 58 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 59 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 60 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 61 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 62 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 63 * POSSIBILITY OF SUCH DAMAGE. 64 */ 65 66 #ifdef _KERNEL_OPT 67 #include "opt_inet.h" 68 #include "opt_inet6.h" 69 #include "opt_net_mpsafe.h" 70 #endif 71 72 #include "ixgbe.h" 73 #include "ixgbe_sriov.h" 74 #include "vlan.h" 75 76 #include <sys/cprng.h> 77 #include <dev/mii/mii.h> 78 #include <dev/mii/miivar.h> 79 80 /************************************************************************ 81 * Driver version 82 ************************************************************************/ 83 static const char ixgbe_driver_version[] = "4.0.1-k"; 84 /* XXX NetBSD: + 3.3.10 */ 85 86 /************************************************************************ 87 * PCI Device ID Table 88 * 89 * Used by probe to select devices to load on 90 * Last field stores an index into ixgbe_strings 91 * Last entry must be all 0s 92 * 93 * { Vendor ID, Device ID, SubVendor ID, SubDevice ID, String Index } 94 ************************************************************************/ 95 static const ixgbe_vendor_info_t ixgbe_vendor_info_array[] = 96 { 97 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598AF_DUAL_PORT, 0, 0, 0}, 98 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598AF_SINGLE_PORT, 0, 0, 0}, 99 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598EB_CX4, 0, 0, 0}, 100 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598AT, 0, 0, 0}, 101 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598AT2, 0, 0, 0}, 102 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598, 0, 0, 0}, 103 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598_BX, 0, 0, 0}, 104 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598_DA_DUAL_PORT, 0, 0, 0}, 105 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598_CX4_DUAL_PORT, 0, 0, 0}, 106 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598EB_XF_LR, 0, 0, 0}, 107 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598_SR_DUAL_PORT_EM, 0, 0, 0}, 108 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598EB_SFP_LOM, 0, 0, 0}, 109 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_KR, 0, 0, 0}, 110 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_KX4, 0, 0, 0}, 111 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_KX4_MEZZ, 0, 0, 0}, 112 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_SFP, 0, 0, 0}, 113 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_SFP_EM, 0, 0, 0}, 114 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_XAUI_LOM, 0, 0, 0}, 115 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_CX4, 0, 0, 0}, 116 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_T3_LOM, 0, 0, 0}, 117 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_COMBO_BACKPLANE, 0, 0, 0}, 118 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_BACKPLANE_FCOE, 0, 0, 0}, 119 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_SFP_SF2, 0, 0, 0}, 120 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_SFP_FCOE, 0, 0, 0}, 121 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599EN_SFP, 0, 0, 0}, 122 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_SFP_SF_QP, 0, 0, 0}, 123 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_QSFP_SF_QP, 0, 0, 0}, 124 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X540T, 0, 0, 0}, 125 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X540T1, 0, 0, 0}, 126 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550T, 0, 0, 0}, 127 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550T1, 0, 0, 0}, 128 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_KR, 0, 0, 0}, 129 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_KX4, 0, 0, 0}, 130 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_10G_T, 0, 0, 0}, 131 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_1G_T, 0, 0, 0}, 132 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_SFP, 0, 0, 0}, 133 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_XFI, 0, 0, 0}, 134 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_KR, 0, 0, 0}, 135 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_KR_L, 0, 0, 0}, 136 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_QSFP, 0, 0, 0}, 137 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_QSFP_N, 0, 0, 0}, 138 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_SFP, 0, 0, 0}, 139 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_SFP_N, 0, 0, 0}, 140 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_SGMII, 0, 0, 0}, 141 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_SGMII_L, 0, 0, 0}, 142 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_10G_T, 0, 0, 0}, 143 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_1G_T, 0, 0, 0}, 144 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_1G_T_L, 0, 0, 0}, 145 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X540_BYPASS, 0, 0, 0}, 146 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_BYPASS, 0, 0, 0}, 147 /* required last entry */ 148 {0, 0, 0, 0, 0} 149 }; 150 151 /************************************************************************ 152 * Table of branding strings 153 ************************************************************************/ 154 static const char *ixgbe_strings[] = { 155 "Intel(R) PRO/10GbE PCI-Express Network Driver" 156 }; 157 158 /************************************************************************ 159 * Function prototypes 160 ************************************************************************/ 161 static int ixgbe_probe(device_t, cfdata_t, void *); 162 static void ixgbe_attach(device_t, device_t, void *); 163 static int ixgbe_detach(device_t, int); 164 #if 0 165 static int ixgbe_shutdown(device_t); 166 #endif 167 static bool ixgbe_suspend(device_t, const pmf_qual_t *); 168 static bool ixgbe_resume(device_t, const pmf_qual_t *); 169 static int ixgbe_ifflags_cb(struct ethercom *); 170 static int ixgbe_ioctl(struct ifnet *, u_long, void *); 171 static void ixgbe_ifstop(struct ifnet *, int); 172 static int ixgbe_init(struct ifnet *); 173 static void ixgbe_init_locked(struct adapter *); 174 static void ixgbe_stop(void *); 175 static void ixgbe_init_device_features(struct adapter *); 176 static void ixgbe_check_fan_failure(struct adapter *, u32, bool); 177 static void ixgbe_add_media_types(struct adapter *); 178 static void ixgbe_media_status(struct ifnet *, struct ifmediareq *); 179 static int ixgbe_media_change(struct ifnet *); 180 static int ixgbe_allocate_pci_resources(struct adapter *, 181 const struct pci_attach_args *); 182 static void ixgbe_free_softint(struct adapter *); 183 static void ixgbe_get_slot_info(struct adapter *); 184 static int ixgbe_allocate_msix(struct adapter *, 185 const struct pci_attach_args *); 186 static int ixgbe_allocate_legacy(struct adapter *, 187 const struct pci_attach_args *); 188 static int ixgbe_configure_interrupts(struct adapter *); 189 static void ixgbe_free_pciintr_resources(struct adapter *); 190 static void ixgbe_free_pci_resources(struct adapter *); 191 static void ixgbe_local_timer(void *); 192 static void ixgbe_local_timer1(void *); 193 static void ixgbe_recovery_mode_timer(void *); 194 static int ixgbe_setup_interface(device_t, struct adapter *); 195 static void ixgbe_config_gpie(struct adapter *); 196 static void ixgbe_config_dmac(struct adapter *); 197 static void ixgbe_config_delay_values(struct adapter *); 198 static void ixgbe_config_link(struct adapter *); 199 static void ixgbe_check_wol_support(struct adapter *); 200 static int ixgbe_setup_low_power_mode(struct adapter *); 201 #if 0 202 static void ixgbe_rearm_queues(struct adapter *, u64); 203 #endif 204 205 static void ixgbe_initialize_transmit_units(struct adapter *); 206 static void ixgbe_initialize_receive_units(struct adapter *); 207 static void ixgbe_enable_rx_drop(struct adapter *); 208 static void ixgbe_disable_rx_drop(struct adapter *); 209 static void ixgbe_initialize_rss_mapping(struct adapter *); 210 211 static void ixgbe_enable_intr(struct adapter *); 212 static void ixgbe_disable_intr(struct adapter *); 213 static void ixgbe_update_stats_counters(struct adapter *); 214 static void ixgbe_set_promisc(struct adapter *); 215 static void ixgbe_set_multi(struct adapter *); 216 static void ixgbe_update_link_status(struct adapter *); 217 static void ixgbe_set_ivar(struct adapter *, u8, u8, s8); 218 static void ixgbe_configure_ivars(struct adapter *); 219 static u8 * ixgbe_mc_array_itr(struct ixgbe_hw *, u8 **, u32 *); 220 static void ixgbe_eitr_write(struct adapter *, uint32_t, uint32_t); 221 222 static void ixgbe_setup_vlan_hw_tagging(struct adapter *); 223 static void ixgbe_setup_vlan_hw_support(struct adapter *); 224 static int ixgbe_vlan_cb(struct ethercom *, uint16_t, bool); 225 static int ixgbe_register_vlan(void *, struct ifnet *, u16); 226 static int ixgbe_unregister_vlan(void *, struct ifnet *, u16); 227 228 static void ixgbe_add_device_sysctls(struct adapter *); 229 static void ixgbe_add_hw_stats(struct adapter *); 230 static void ixgbe_clear_evcnt(struct adapter *); 231 static int ixgbe_set_flowcntl(struct adapter *, int); 232 static int ixgbe_set_advertise(struct adapter *, int); 233 static int ixgbe_get_advertise(struct adapter *); 234 235 /* Sysctl handlers */ 236 static void ixgbe_set_sysctl_value(struct adapter *, const char *, 237 const char *, int *, int); 238 static int ixgbe_sysctl_flowcntl(SYSCTLFN_PROTO); 239 static int ixgbe_sysctl_advertise(SYSCTLFN_PROTO); 240 static int ixgbe_sysctl_interrupt_rate_handler(SYSCTLFN_PROTO); 241 static int ixgbe_sysctl_dmac(SYSCTLFN_PROTO); 242 static int ixgbe_sysctl_phy_temp(SYSCTLFN_PROTO); 243 static int ixgbe_sysctl_phy_overtemp_occurred(SYSCTLFN_PROTO); 244 #ifdef IXGBE_DEBUG 245 static int ixgbe_sysctl_power_state(SYSCTLFN_PROTO); 246 static int ixgbe_sysctl_print_rss_config(SYSCTLFN_PROTO); 247 #endif 248 static int ixgbe_sysctl_next_to_check_handler(SYSCTLFN_PROTO); 249 static int ixgbe_sysctl_rdh_handler(SYSCTLFN_PROTO); 250 static int ixgbe_sysctl_rdt_handler(SYSCTLFN_PROTO); 251 static int ixgbe_sysctl_tdt_handler(SYSCTLFN_PROTO); 252 static int ixgbe_sysctl_tdh_handler(SYSCTLFN_PROTO); 253 static int ixgbe_sysctl_eee_state(SYSCTLFN_PROTO); 254 static int ixgbe_sysctl_debug(SYSCTLFN_PROTO); 255 static int ixgbe_sysctl_wol_enable(SYSCTLFN_PROTO); 256 static int ixgbe_sysctl_wufc(SYSCTLFN_PROTO); 257 258 /* Support for pluggable optic modules */ 259 static bool ixgbe_sfp_probe(struct adapter *); 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_link(void *); 267 268 /* Software interrupts for deferred work */ 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 /* Workqueue handler for deferred work */ 276 static void ixgbe_handle_que_work(struct work *, void *); 277 278 static const ixgbe_vendor_info_t *ixgbe_lookup(const struct pci_attach_args *); 279 280 /************************************************************************ 281 * NetBSD Device Interface Entry Points 282 ************************************************************************/ 283 CFATTACH_DECL3_NEW(ixg, sizeof(struct adapter), 284 ixgbe_probe, ixgbe_attach, ixgbe_detach, NULL, NULL, NULL, 285 DVF_DETACH_SHUTDOWN); 286 287 #if 0 288 devclass_t ix_devclass; 289 DRIVER_MODULE(ix, pci, ix_driver, ix_devclass, 0, 0); 290 291 MODULE_DEPEND(ix, pci, 1, 1, 1); 292 MODULE_DEPEND(ix, ether, 1, 1, 1); 293 #ifdef DEV_NETMAP 294 MODULE_DEPEND(ix, netmap, 1, 1, 1); 295 #endif 296 #endif 297 298 /* 299 * TUNEABLE PARAMETERS: 300 */ 301 302 /* 303 * AIM: Adaptive Interrupt Moderation 304 * which means that the interrupt rate 305 * is varied over time based on the 306 * traffic for that interrupt vector 307 */ 308 static bool ixgbe_enable_aim = true; 309 #define SYSCTL_INT(_a1, _a2, _a3, _a4, _a5, _a6, _a7) 310 SYSCTL_INT(_hw_ix, OID_AUTO, enable_aim, CTLFLAG_RDTUN, &ixgbe_enable_aim, 0, 311 "Enable adaptive interrupt moderation"); 312 313 static int ixgbe_max_interrupt_rate = (4000000 / IXGBE_LOW_LATENCY); 314 SYSCTL_INT(_hw_ix, OID_AUTO, max_interrupt_rate, CTLFLAG_RDTUN, 315 &ixgbe_max_interrupt_rate, 0, "Maximum interrupts per second"); 316 317 /* How many packets rxeof tries to clean at a time */ 318 static int ixgbe_rx_process_limit = 256; 319 SYSCTL_INT(_hw_ix, OID_AUTO, rx_process_limit, CTLFLAG_RDTUN, 320 &ixgbe_rx_process_limit, 0, "Maximum number of received packets to process at a time, -1 means unlimited"); 321 322 /* How many packets txeof tries to clean at a time */ 323 static int ixgbe_tx_process_limit = 256; 324 SYSCTL_INT(_hw_ix, OID_AUTO, tx_process_limit, CTLFLAG_RDTUN, 325 &ixgbe_tx_process_limit, 0, 326 "Maximum number of sent packets to process at a time, -1 means unlimited"); 327 328 /* Flow control setting, default to full */ 329 static int ixgbe_flow_control = ixgbe_fc_full; 330 SYSCTL_INT(_hw_ix, OID_AUTO, flow_control, CTLFLAG_RDTUN, 331 &ixgbe_flow_control, 0, "Default flow control used for all adapters"); 332 333 /* Which packet processing uses workqueue or softint */ 334 static bool ixgbe_txrx_workqueue = false; 335 336 /* 337 * Smart speed setting, default to on 338 * this only works as a compile option 339 * right now as its during attach, set 340 * this to 'ixgbe_smart_speed_off' to 341 * disable. 342 */ 343 static int ixgbe_smart_speed = ixgbe_smart_speed_on; 344 345 /* 346 * MSI-X should be the default for best performance, 347 * but this allows it to be forced off for testing. 348 */ 349 static int ixgbe_enable_msix = 1; 350 SYSCTL_INT(_hw_ix, OID_AUTO, enable_msix, CTLFLAG_RDTUN, &ixgbe_enable_msix, 0, 351 "Enable MSI-X interrupts"); 352 353 /* 354 * Number of Queues, can be set to 0, 355 * it then autoconfigures based on the 356 * number of cpus with a max of 8. This 357 * can be overriden manually here. 358 */ 359 static int ixgbe_num_queues = 0; 360 SYSCTL_INT(_hw_ix, OID_AUTO, num_queues, CTLFLAG_RDTUN, &ixgbe_num_queues, 0, 361 "Number of queues to configure, 0 indicates autoconfigure"); 362 363 /* 364 * Number of TX descriptors per ring, 365 * setting higher than RX as this seems 366 * the better performing choice. 367 */ 368 static int ixgbe_txd = PERFORM_TXD; 369 SYSCTL_INT(_hw_ix, OID_AUTO, txd, CTLFLAG_RDTUN, &ixgbe_txd, 0, 370 "Number of transmit descriptors per queue"); 371 372 /* Number of RX descriptors per ring */ 373 static int ixgbe_rxd = PERFORM_RXD; 374 SYSCTL_INT(_hw_ix, OID_AUTO, rxd, CTLFLAG_RDTUN, &ixgbe_rxd, 0, 375 "Number of receive descriptors per queue"); 376 377 /* 378 * Defining this on will allow the use 379 * of unsupported SFP+ modules, note that 380 * doing so you are on your own :) 381 */ 382 static int allow_unsupported_sfp = false; 383 #define TUNABLE_INT(__x, __y) 384 TUNABLE_INT("hw.ix.unsupported_sfp", &allow_unsupported_sfp); 385 386 /* 387 * Not sure if Flow Director is fully baked, 388 * so we'll default to turning it off. 389 */ 390 static int ixgbe_enable_fdir = 0; 391 SYSCTL_INT(_hw_ix, OID_AUTO, enable_fdir, CTLFLAG_RDTUN, &ixgbe_enable_fdir, 0, 392 "Enable Flow Director"); 393 394 /* Legacy Transmit (single queue) */ 395 static int ixgbe_enable_legacy_tx = 0; 396 SYSCTL_INT(_hw_ix, OID_AUTO, enable_legacy_tx, CTLFLAG_RDTUN, 397 &ixgbe_enable_legacy_tx, 0, "Enable Legacy TX flow"); 398 399 /* Receive-Side Scaling */ 400 static int ixgbe_enable_rss = 1; 401 SYSCTL_INT(_hw_ix, OID_AUTO, enable_rss, CTLFLAG_RDTUN, &ixgbe_enable_rss, 0, 402 "Enable Receive-Side Scaling (RSS)"); 403 404 #if 0 405 static int (*ixgbe_start_locked)(struct ifnet *, struct tx_ring *); 406 static int (*ixgbe_ring_empty)(struct ifnet *, pcq_t *); 407 #endif 408 409 #ifdef NET_MPSAFE 410 #define IXGBE_MPSAFE 1 411 #define IXGBE_CALLOUT_FLAGS CALLOUT_MPSAFE 412 #define IXGBE_SOFTINFT_FLAGS SOFTINT_MPSAFE 413 #define IXGBE_WORKQUEUE_FLAGS WQ_PERCPU | WQ_MPSAFE 414 #else 415 #define IXGBE_CALLOUT_FLAGS 0 416 #define IXGBE_SOFTINFT_FLAGS 0 417 #define IXGBE_WORKQUEUE_FLAGS WQ_PERCPU 418 #endif 419 #define IXGBE_WORKQUEUE_PRI PRI_SOFTNET 420 421 /************************************************************************ 422 * ixgbe_initialize_rss_mapping 423 ************************************************************************/ 424 static void 425 ixgbe_initialize_rss_mapping(struct adapter *adapter) 426 { 427 struct ixgbe_hw *hw = &adapter->hw; 428 u32 reta = 0, mrqc, rss_key[10]; 429 int queue_id, table_size, index_mult; 430 int i, j; 431 u32 rss_hash_config; 432 433 /* force use default RSS key. */ 434 #ifdef __NetBSD__ 435 rss_getkey((uint8_t *) &rss_key); 436 #else 437 if (adapter->feat_en & IXGBE_FEATURE_RSS) { 438 /* Fetch the configured RSS key */ 439 rss_getkey((uint8_t *) &rss_key); 440 } else { 441 /* set up random bits */ 442 cprng_fast(&rss_key, sizeof(rss_key)); 443 } 444 #endif 445 446 /* Set multiplier for RETA setup and table size based on MAC */ 447 index_mult = 0x1; 448 table_size = 128; 449 switch (adapter->hw.mac.type) { 450 case ixgbe_mac_82598EB: 451 index_mult = 0x11; 452 break; 453 case ixgbe_mac_X550: 454 case ixgbe_mac_X550EM_x: 455 case ixgbe_mac_X550EM_a: 456 table_size = 512; 457 break; 458 default: 459 break; 460 } 461 462 /* Set up the redirection table */ 463 for (i = 0, j = 0; i < table_size; i++, j++) { 464 if (j == adapter->num_queues) 465 j = 0; 466 467 if (adapter->feat_en & IXGBE_FEATURE_RSS) { 468 /* 469 * Fetch the RSS bucket id for the given indirection 470 * entry. Cap it at the number of configured buckets 471 * (which is num_queues.) 472 */ 473 queue_id = rss_get_indirection_to_bucket(i); 474 queue_id = queue_id % adapter->num_queues; 475 } else 476 queue_id = (j * index_mult); 477 478 /* 479 * The low 8 bits are for hash value (n+0); 480 * The next 8 bits are for hash value (n+1), etc. 481 */ 482 reta = reta >> 8; 483 reta = reta | (((uint32_t) queue_id) << 24); 484 if ((i & 3) == 3) { 485 if (i < 128) 486 IXGBE_WRITE_REG(hw, IXGBE_RETA(i >> 2), reta); 487 else 488 IXGBE_WRITE_REG(hw, IXGBE_ERETA((i >> 2) - 32), 489 reta); 490 reta = 0; 491 } 492 } 493 494 /* Now fill our hash function seeds */ 495 for (i = 0; i < 10; i++) 496 IXGBE_WRITE_REG(hw, IXGBE_RSSRK(i), rss_key[i]); 497 498 /* Perform hash on these packet types */ 499 if (adapter->feat_en & IXGBE_FEATURE_RSS) 500 rss_hash_config = rss_gethashconfig(); 501 else { 502 /* 503 * Disable UDP - IP fragments aren't currently being handled 504 * and so we end up with a mix of 2-tuple and 4-tuple 505 * traffic. 506 */ 507 rss_hash_config = RSS_HASHTYPE_RSS_IPV4 508 | RSS_HASHTYPE_RSS_TCP_IPV4 509 | RSS_HASHTYPE_RSS_IPV6 510 | RSS_HASHTYPE_RSS_TCP_IPV6 511 | RSS_HASHTYPE_RSS_IPV6_EX 512 | RSS_HASHTYPE_RSS_TCP_IPV6_EX; 513 } 514 515 mrqc = IXGBE_MRQC_RSSEN; 516 if (rss_hash_config & RSS_HASHTYPE_RSS_IPV4) 517 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4; 518 if (rss_hash_config & RSS_HASHTYPE_RSS_TCP_IPV4) 519 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4_TCP; 520 if (rss_hash_config & RSS_HASHTYPE_RSS_IPV6) 521 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6; 522 if (rss_hash_config & RSS_HASHTYPE_RSS_TCP_IPV6) 523 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_TCP; 524 if (rss_hash_config & RSS_HASHTYPE_RSS_IPV6_EX) 525 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_EX; 526 if (rss_hash_config & RSS_HASHTYPE_RSS_TCP_IPV6_EX) 527 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_EX_TCP; 528 if (rss_hash_config & RSS_HASHTYPE_RSS_UDP_IPV4) 529 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4_UDP; 530 if (rss_hash_config & RSS_HASHTYPE_RSS_UDP_IPV6) 531 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_UDP; 532 if (rss_hash_config & RSS_HASHTYPE_RSS_UDP_IPV6_EX) 533 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_EX_UDP; 534 mrqc |= ixgbe_get_mrqc(adapter->iov_mode); 535 IXGBE_WRITE_REG(hw, IXGBE_MRQC, mrqc); 536 } /* ixgbe_initialize_rss_mapping */ 537 538 /************************************************************************ 539 * ixgbe_initialize_receive_units - Setup receive registers and features. 540 ************************************************************************/ 541 #define BSIZEPKT_ROUNDUP ((1<<IXGBE_SRRCTL_BSIZEPKT_SHIFT)-1) 542 543 static void 544 ixgbe_initialize_receive_units(struct adapter *adapter) 545 { 546 struct rx_ring *rxr = adapter->rx_rings; 547 struct ixgbe_hw *hw = &adapter->hw; 548 struct ifnet *ifp = adapter->ifp; 549 int i, j; 550 u32 bufsz, fctrl, srrctl, rxcsum; 551 u32 hlreg; 552 553 /* 554 * Make sure receives are disabled while 555 * setting up the descriptor ring 556 */ 557 ixgbe_disable_rx(hw); 558 559 /* Enable broadcasts */ 560 fctrl = IXGBE_READ_REG(hw, IXGBE_FCTRL); 561 fctrl |= IXGBE_FCTRL_BAM; 562 if (adapter->hw.mac.type == ixgbe_mac_82598EB) { 563 fctrl |= IXGBE_FCTRL_DPF; 564 fctrl |= IXGBE_FCTRL_PMCF; 565 } 566 IXGBE_WRITE_REG(hw, IXGBE_FCTRL, fctrl); 567 568 /* Set for Jumbo Frames? */ 569 hlreg = IXGBE_READ_REG(hw, IXGBE_HLREG0); 570 if (ifp->if_mtu > ETHERMTU) 571 hlreg |= IXGBE_HLREG0_JUMBOEN; 572 else 573 hlreg &= ~IXGBE_HLREG0_JUMBOEN; 574 575 #ifdef DEV_NETMAP 576 /* CRC stripping is conditional in Netmap */ 577 if ((adapter->feat_en & IXGBE_FEATURE_NETMAP) && 578 (ifp->if_capenable & IFCAP_NETMAP) && 579 !ix_crcstrip) 580 hlreg &= ~IXGBE_HLREG0_RXCRCSTRP; 581 else 582 #endif /* DEV_NETMAP */ 583 hlreg |= IXGBE_HLREG0_RXCRCSTRP; 584 585 IXGBE_WRITE_REG(hw, IXGBE_HLREG0, hlreg); 586 587 bufsz = (adapter->rx_mbuf_sz + BSIZEPKT_ROUNDUP) >> 588 IXGBE_SRRCTL_BSIZEPKT_SHIFT; 589 590 for (i = 0; i < adapter->num_queues; i++, rxr++) { 591 u64 rdba = rxr->rxdma.dma_paddr; 592 u32 reg; 593 int regnum = i / 4; /* 1 register per 4 queues */ 594 int regshift = i % 4; /* 4 bits per 1 queue */ 595 j = rxr->me; 596 597 /* Setup the Base and Length of the Rx Descriptor Ring */ 598 IXGBE_WRITE_REG(hw, IXGBE_RDBAL(j), 599 (rdba & 0x00000000ffffffffULL)); 600 IXGBE_WRITE_REG(hw, IXGBE_RDBAH(j), (rdba >> 32)); 601 IXGBE_WRITE_REG(hw, IXGBE_RDLEN(j), 602 adapter->num_rx_desc * sizeof(union ixgbe_adv_rx_desc)); 603 604 /* Set up the SRRCTL register */ 605 srrctl = IXGBE_READ_REG(hw, IXGBE_SRRCTL(j)); 606 srrctl &= ~IXGBE_SRRCTL_BSIZEHDR_MASK; 607 srrctl &= ~IXGBE_SRRCTL_BSIZEPKT_MASK; 608 srrctl |= bufsz; 609 srrctl |= IXGBE_SRRCTL_DESCTYPE_ADV_ONEBUF; 610 611 /* Set RQSMR (Receive Queue Statistic Mapping) register */ 612 reg = IXGBE_READ_REG(hw, IXGBE_RQSMR(regnum)); 613 reg &= ~(0x000000ffUL << (regshift * 8)); 614 reg |= i << (regshift * 8); 615 IXGBE_WRITE_REG(hw, IXGBE_RQSMR(regnum), reg); 616 617 /* 618 * Set DROP_EN iff we have no flow control and >1 queue. 619 * Note that srrctl was cleared shortly before during reset, 620 * so we do not need to clear the bit, but do it just in case 621 * this code is moved elsewhere. 622 */ 623 if (adapter->num_queues > 1 && 624 adapter->hw.fc.requested_mode == ixgbe_fc_none) { 625 srrctl |= IXGBE_SRRCTL_DROP_EN; 626 } else { 627 srrctl &= ~IXGBE_SRRCTL_DROP_EN; 628 } 629 630 IXGBE_WRITE_REG(hw, IXGBE_SRRCTL(j), srrctl); 631 632 /* Setup the HW Rx Head and Tail Descriptor Pointers */ 633 IXGBE_WRITE_REG(hw, IXGBE_RDH(j), 0); 634 IXGBE_WRITE_REG(hw, IXGBE_RDT(j), 0); 635 636 /* Set the driver rx tail address */ 637 rxr->tail = IXGBE_RDT(rxr->me); 638 } 639 640 if (adapter->hw.mac.type != ixgbe_mac_82598EB) { 641 u32 psrtype = IXGBE_PSRTYPE_TCPHDR 642 | IXGBE_PSRTYPE_UDPHDR 643 | IXGBE_PSRTYPE_IPV4HDR 644 | IXGBE_PSRTYPE_IPV6HDR; 645 IXGBE_WRITE_REG(hw, IXGBE_PSRTYPE(0), psrtype); 646 } 647 648 rxcsum = IXGBE_READ_REG(hw, IXGBE_RXCSUM); 649 650 ixgbe_initialize_rss_mapping(adapter); 651 652 if (adapter->num_queues > 1) { 653 /* RSS and RX IPP Checksum are mutually exclusive */ 654 rxcsum |= IXGBE_RXCSUM_PCSD; 655 } 656 657 if (ifp->if_capenable & IFCAP_RXCSUM) 658 rxcsum |= IXGBE_RXCSUM_PCSD; 659 660 /* This is useful for calculating UDP/IP fragment checksums */ 661 if (!(rxcsum & IXGBE_RXCSUM_PCSD)) 662 rxcsum |= IXGBE_RXCSUM_IPPCSE; 663 664 IXGBE_WRITE_REG(hw, IXGBE_RXCSUM, rxcsum); 665 666 } /* ixgbe_initialize_receive_units */ 667 668 /************************************************************************ 669 * ixgbe_initialize_transmit_units - Enable transmit units. 670 ************************************************************************/ 671 static void 672 ixgbe_initialize_transmit_units(struct adapter *adapter) 673 { 674 struct tx_ring *txr = adapter->tx_rings; 675 struct ixgbe_hw *hw = &adapter->hw; 676 int i; 677 678 /* Setup the Base and Length of the Tx Descriptor Ring */ 679 for (i = 0; i < adapter->num_queues; i++, txr++) { 680 u64 tdba = txr->txdma.dma_paddr; 681 u32 txctrl = 0; 682 u32 tqsmreg, reg; 683 int regnum = i / 4; /* 1 register per 4 queues */ 684 int regshift = i % 4; /* 4 bits per 1 queue */ 685 int j = txr->me; 686 687 IXGBE_WRITE_REG(hw, IXGBE_TDBAL(j), 688 (tdba & 0x00000000ffffffffULL)); 689 IXGBE_WRITE_REG(hw, IXGBE_TDBAH(j), (tdba >> 32)); 690 IXGBE_WRITE_REG(hw, IXGBE_TDLEN(j), 691 adapter->num_tx_desc * sizeof(union ixgbe_adv_tx_desc)); 692 693 /* 694 * Set TQSMR (Transmit Queue Statistic Mapping) register. 695 * Register location is different between 82598 and others. 696 */ 697 if (adapter->hw.mac.type == ixgbe_mac_82598EB) 698 tqsmreg = IXGBE_TQSMR(regnum); 699 else 700 tqsmreg = IXGBE_TQSM(regnum); 701 reg = IXGBE_READ_REG(hw, tqsmreg); 702 reg &= ~(0x000000ffUL << (regshift * 8)); 703 reg |= i << (regshift * 8); 704 IXGBE_WRITE_REG(hw, tqsmreg, reg); 705 706 /* Setup the HW Tx Head and Tail descriptor pointers */ 707 IXGBE_WRITE_REG(hw, IXGBE_TDH(j), 0); 708 IXGBE_WRITE_REG(hw, IXGBE_TDT(j), 0); 709 710 /* Cache the tail address */ 711 txr->tail = IXGBE_TDT(j); 712 713 txr->txr_no_space = false; 714 715 /* Disable Head Writeback */ 716 /* 717 * Note: for X550 series devices, these registers are actually 718 * prefixed with TPH_ isntead of DCA_, but the addresses and 719 * fields remain the same. 720 */ 721 switch (hw->mac.type) { 722 case ixgbe_mac_82598EB: 723 txctrl = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(j)); 724 break; 725 default: 726 txctrl = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL_82599(j)); 727 break; 728 } 729 txctrl &= ~IXGBE_DCA_TXCTRL_DESC_WRO_EN; 730 switch (hw->mac.type) { 731 case ixgbe_mac_82598EB: 732 IXGBE_WRITE_REG(hw, IXGBE_DCA_TXCTRL(j), txctrl); 733 break; 734 default: 735 IXGBE_WRITE_REG(hw, IXGBE_DCA_TXCTRL_82599(j), txctrl); 736 break; 737 } 738 739 } 740 741 if (hw->mac.type != ixgbe_mac_82598EB) { 742 u32 dmatxctl, rttdcs; 743 744 dmatxctl = IXGBE_READ_REG(hw, IXGBE_DMATXCTL); 745 dmatxctl |= IXGBE_DMATXCTL_TE; 746 IXGBE_WRITE_REG(hw, IXGBE_DMATXCTL, dmatxctl); 747 /* Disable arbiter to set MTQC */ 748 rttdcs = IXGBE_READ_REG(hw, IXGBE_RTTDCS); 749 rttdcs |= IXGBE_RTTDCS_ARBDIS; 750 IXGBE_WRITE_REG(hw, IXGBE_RTTDCS, rttdcs); 751 IXGBE_WRITE_REG(hw, IXGBE_MTQC, 752 ixgbe_get_mtqc(adapter->iov_mode)); 753 rttdcs &= ~IXGBE_RTTDCS_ARBDIS; 754 IXGBE_WRITE_REG(hw, IXGBE_RTTDCS, rttdcs); 755 } 756 757 return; 758 } /* ixgbe_initialize_transmit_units */ 759 760 /************************************************************************ 761 * ixgbe_attach - Device initialization routine 762 * 763 * Called when the driver is being loaded. 764 * Identifies the type of hardware, allocates all resources 765 * and initializes the hardware. 766 * 767 * return 0 on success, positive on failure 768 ************************************************************************/ 769 static void 770 ixgbe_attach(device_t parent, device_t dev, void *aux) 771 { 772 struct adapter *adapter; 773 struct ixgbe_hw *hw; 774 int error = -1; 775 u32 ctrl_ext; 776 u16 high, low, nvmreg; 777 pcireg_t id, subid; 778 const ixgbe_vendor_info_t *ent; 779 struct pci_attach_args *pa = aux; 780 const char *str; 781 char buf[256]; 782 783 INIT_DEBUGOUT("ixgbe_attach: begin"); 784 785 /* Allocate, clear, and link in our adapter structure */ 786 adapter = device_private(dev); 787 adapter->hw.back = adapter; 788 adapter->dev = dev; 789 hw = &adapter->hw; 790 adapter->osdep.pc = pa->pa_pc; 791 adapter->osdep.tag = pa->pa_tag; 792 if (pci_dma64_available(pa)) 793 adapter->osdep.dmat = pa->pa_dmat64; 794 else 795 adapter->osdep.dmat = pa->pa_dmat; 796 adapter->osdep.attached = false; 797 798 ent = ixgbe_lookup(pa); 799 800 KASSERT(ent != NULL); 801 802 aprint_normal(": %s, Version - %s\n", 803 ixgbe_strings[ent->index], ixgbe_driver_version); 804 805 /* Core Lock Init*/ 806 IXGBE_CORE_LOCK_INIT(adapter, device_xname(dev)); 807 808 /* Set up the timer callout */ 809 callout_init(&adapter->timer, IXGBE_CALLOUT_FLAGS); 810 811 /* Determine hardware revision */ 812 id = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_ID_REG); 813 subid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG); 814 815 hw->vendor_id = PCI_VENDOR(id); 816 hw->device_id = PCI_PRODUCT(id); 817 hw->revision_id = 818 PCI_REVISION(pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_CLASS_REG)); 819 hw->subsystem_vendor_id = PCI_SUBSYS_VENDOR(subid); 820 hw->subsystem_device_id = PCI_SUBSYS_ID(subid); 821 822 /* 823 * Make sure BUSMASTER is set 824 */ 825 ixgbe_pci_enable_busmaster(pa->pa_pc, pa->pa_tag); 826 827 /* Do base PCI setup - map BAR0 */ 828 if (ixgbe_allocate_pci_resources(adapter, pa)) { 829 aprint_error_dev(dev, "Allocation of PCI resources failed\n"); 830 error = ENXIO; 831 goto err_out; 832 } 833 834 /* let hardware know driver is loaded */ 835 ctrl_ext = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT); 836 ctrl_ext |= IXGBE_CTRL_EXT_DRV_LOAD; 837 IXGBE_WRITE_REG(hw, IXGBE_CTRL_EXT, ctrl_ext); 838 839 /* 840 * Initialize the shared code 841 */ 842 if (ixgbe_init_shared_code(hw) != 0) { 843 aprint_error_dev(dev, "Unable to initialize the shared code\n"); 844 error = ENXIO; 845 goto err_out; 846 } 847 848 switch (hw->mac.type) { 849 case ixgbe_mac_82598EB: 850 str = "82598EB"; 851 break; 852 case ixgbe_mac_82599EB: 853 str = "82599EB"; 854 break; 855 case ixgbe_mac_X540: 856 str = "X540"; 857 break; 858 case ixgbe_mac_X550: 859 str = "X550"; 860 break; 861 case ixgbe_mac_X550EM_x: 862 str = "X550EM"; 863 break; 864 case ixgbe_mac_X550EM_a: 865 str = "X550EM A"; 866 break; 867 default: 868 str = "Unknown"; 869 break; 870 } 871 aprint_normal_dev(dev, "device %s\n", str); 872 873 if (hw->mbx.ops.init_params) 874 hw->mbx.ops.init_params(hw); 875 876 hw->allow_unsupported_sfp = allow_unsupported_sfp; 877 878 /* Pick up the 82599 settings */ 879 if (hw->mac.type != ixgbe_mac_82598EB) { 880 hw->phy.smart_speed = ixgbe_smart_speed; 881 adapter->num_segs = IXGBE_82599_SCATTER; 882 } else 883 adapter->num_segs = IXGBE_82598_SCATTER; 884 885 /* Ensure SW/FW semaphore is free */ 886 ixgbe_init_swfw_semaphore(hw); 887 888 hw->mac.ops.set_lan_id(hw); 889 ixgbe_init_device_features(adapter); 890 891 if (ixgbe_configure_interrupts(adapter)) { 892 error = ENXIO; 893 goto err_out; 894 } 895 896 /* Allocate multicast array memory. */ 897 adapter->mta = malloc(sizeof(*adapter->mta) * 898 MAX_NUM_MULTICAST_ADDRESSES, M_DEVBUF, M_NOWAIT); 899 if (adapter->mta == NULL) { 900 aprint_error_dev(dev, "Cannot allocate multicast setup array\n"); 901 error = ENOMEM; 902 goto err_out; 903 } 904 905 /* Enable WoL (if supported) */ 906 ixgbe_check_wol_support(adapter); 907 908 /* Register for VLAN events */ 909 ether_set_vlan_cb(&adapter->osdep.ec, ixgbe_vlan_cb); 910 911 /* Verify adapter fan is still functional (if applicable) */ 912 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) { 913 u32 esdp = IXGBE_READ_REG(hw, IXGBE_ESDP); 914 ixgbe_check_fan_failure(adapter, esdp, FALSE); 915 } 916 917 /* Set an initial default flow control value */ 918 hw->fc.requested_mode = ixgbe_flow_control; 919 920 /* Sysctls for limiting the amount of work done in the taskqueues */ 921 ixgbe_set_sysctl_value(adapter, "rx_processing_limit", 922 "max number of rx packets to process", 923 &adapter->rx_process_limit, ixgbe_rx_process_limit); 924 925 ixgbe_set_sysctl_value(adapter, "tx_processing_limit", 926 "max number of tx packets to process", 927 &adapter->tx_process_limit, ixgbe_tx_process_limit); 928 929 /* Do descriptor calc and sanity checks */ 930 if (((ixgbe_txd * sizeof(union ixgbe_adv_tx_desc)) % DBA_ALIGN) != 0 || 931 ixgbe_txd < MIN_TXD || ixgbe_txd > MAX_TXD) { 932 aprint_error_dev(dev, "TXD config issue, using default!\n"); 933 adapter->num_tx_desc = DEFAULT_TXD; 934 } else 935 adapter->num_tx_desc = ixgbe_txd; 936 937 if (((ixgbe_rxd * sizeof(union ixgbe_adv_rx_desc)) % DBA_ALIGN) != 0 || 938 ixgbe_rxd < MIN_RXD || ixgbe_rxd > MAX_RXD) { 939 aprint_error_dev(dev, "RXD config issue, using default!\n"); 940 adapter->num_rx_desc = DEFAULT_RXD; 941 } else 942 adapter->num_rx_desc = ixgbe_rxd; 943 944 /* Allocate our TX/RX Queues */ 945 if (ixgbe_allocate_queues(adapter)) { 946 error = ENOMEM; 947 goto err_out; 948 } 949 950 hw->phy.reset_if_overtemp = TRUE; 951 error = ixgbe_reset_hw(hw); 952 hw->phy.reset_if_overtemp = FALSE; 953 if (error == IXGBE_ERR_SFP_NOT_PRESENT) { 954 /* 955 * No optics in this port, set up 956 * so the timer routine will probe 957 * for later insertion. 958 */ 959 adapter->sfp_probe = TRUE; 960 error = IXGBE_SUCCESS; 961 } else if (error == IXGBE_ERR_SFP_NOT_SUPPORTED) { 962 aprint_error_dev(dev, "Unsupported SFP+ module detected!\n"); 963 error = EIO; 964 goto err_late; 965 } else if (error) { 966 aprint_error_dev(dev, "Hardware initialization failed\n"); 967 error = EIO; 968 goto err_late; 969 } 970 971 /* Make sure we have a good EEPROM before we read from it */ 972 if (ixgbe_validate_eeprom_checksum(&adapter->hw, NULL) < 0) { 973 aprint_error_dev(dev, "The EEPROM Checksum Is Not Valid\n"); 974 error = EIO; 975 goto err_late; 976 } 977 978 aprint_normal("%s:", device_xname(dev)); 979 /* NVM Image Version */ 980 high = low = 0; 981 switch (hw->mac.type) { 982 case ixgbe_mac_X540: 983 case ixgbe_mac_X550EM_a: 984 hw->eeprom.ops.read(hw, IXGBE_NVM_IMAGE_VER, &nvmreg); 985 if (nvmreg == 0xffff) 986 break; 987 high = (nvmreg >> 12) & 0x0f; 988 low = (nvmreg >> 4) & 0xff; 989 id = nvmreg & 0x0f; 990 aprint_normal(" NVM Image Version %u.", high); 991 if (hw->mac.type == ixgbe_mac_X540) 992 str = "%x"; 993 else 994 str = "%02x"; 995 aprint_normal(str, low); 996 aprint_normal(" ID 0x%x,", id); 997 break; 998 case ixgbe_mac_X550EM_x: 999 case ixgbe_mac_X550: 1000 hw->eeprom.ops.read(hw, IXGBE_NVM_IMAGE_VER, &nvmreg); 1001 if (nvmreg == 0xffff) 1002 break; 1003 high = (nvmreg >> 12) & 0x0f; 1004 low = nvmreg & 0xff; 1005 aprint_normal(" NVM Image Version %u.%02x,", high, low); 1006 break; 1007 default: 1008 break; 1009 } 1010 hw->eeprom.nvm_image_ver_high = high; 1011 hw->eeprom.nvm_image_ver_low = low; 1012 1013 /* PHY firmware revision */ 1014 switch (hw->mac.type) { 1015 case ixgbe_mac_X540: 1016 case ixgbe_mac_X550: 1017 hw->eeprom.ops.read(hw, IXGBE_PHYFW_REV, &nvmreg); 1018 if (nvmreg == 0xffff) 1019 break; 1020 high = (nvmreg >> 12) & 0x0f; 1021 low = (nvmreg >> 4) & 0xff; 1022 id = nvmreg & 0x000f; 1023 aprint_normal(" PHY FW Revision %u.", high); 1024 if (hw->mac.type == ixgbe_mac_X540) 1025 str = "%x"; 1026 else 1027 str = "%02x"; 1028 aprint_normal(str, low); 1029 aprint_normal(" ID 0x%x,", id); 1030 break; 1031 default: 1032 break; 1033 } 1034 1035 /* NVM Map version & OEM NVM Image version */ 1036 switch (hw->mac.type) { 1037 case ixgbe_mac_X550: 1038 case ixgbe_mac_X550EM_x: 1039 case ixgbe_mac_X550EM_a: 1040 hw->eeprom.ops.read(hw, IXGBE_NVM_MAP_VER, &nvmreg); 1041 if (nvmreg != 0xffff) { 1042 high = (nvmreg >> 12) & 0x0f; 1043 low = nvmreg & 0x00ff; 1044 aprint_normal(" NVM Map version %u.%02x,", high, low); 1045 } 1046 hw->eeprom.ops.read(hw, IXGBE_OEM_NVM_IMAGE_VER, &nvmreg); 1047 if (nvmreg != 0xffff) { 1048 high = (nvmreg >> 12) & 0x0f; 1049 low = nvmreg & 0x00ff; 1050 aprint_verbose(" OEM NVM Image version %u.%02x,", high, 1051 low); 1052 } 1053 break; 1054 default: 1055 break; 1056 } 1057 1058 /* Print the ETrackID */ 1059 hw->eeprom.ops.read(hw, IXGBE_ETRACKID_H, &high); 1060 hw->eeprom.ops.read(hw, IXGBE_ETRACKID_L, &low); 1061 aprint_normal(" ETrackID %08x\n", ((uint32_t)high << 16) | low); 1062 1063 if (adapter->feat_en & IXGBE_FEATURE_MSIX) { 1064 error = ixgbe_allocate_msix(adapter, pa); 1065 if (error) { 1066 /* Free allocated queue structures first */ 1067 ixgbe_free_transmit_structures(adapter); 1068 ixgbe_free_receive_structures(adapter); 1069 free(adapter->queues, M_DEVBUF); 1070 1071 /* Fallback to legacy interrupt */ 1072 adapter->feat_en &= ~IXGBE_FEATURE_MSIX; 1073 if (adapter->feat_cap & IXGBE_FEATURE_MSI) 1074 adapter->feat_en |= IXGBE_FEATURE_MSI; 1075 adapter->num_queues = 1; 1076 1077 /* Allocate our TX/RX Queues again */ 1078 if (ixgbe_allocate_queues(adapter)) { 1079 error = ENOMEM; 1080 goto err_out; 1081 } 1082 } 1083 } 1084 /* Recovery mode */ 1085 switch (adapter->hw.mac.type) { 1086 case ixgbe_mac_X550: 1087 case ixgbe_mac_X550EM_x: 1088 case ixgbe_mac_X550EM_a: 1089 /* >= 2.00 */ 1090 if (hw->eeprom.nvm_image_ver_high >= 2) { 1091 adapter->feat_cap |= IXGBE_FEATURE_RECOVERY_MODE; 1092 adapter->feat_en |= IXGBE_FEATURE_RECOVERY_MODE; 1093 } 1094 break; 1095 default: 1096 break; 1097 } 1098 1099 if ((adapter->feat_en & IXGBE_FEATURE_MSIX) == 0) 1100 error = ixgbe_allocate_legacy(adapter, pa); 1101 if (error) 1102 goto err_late; 1103 1104 /* Tasklets for Link, SFP, Multispeed Fiber and Flow Director */ 1105 adapter->link_si = softint_establish(SOFTINT_NET |IXGBE_SOFTINFT_FLAGS, 1106 ixgbe_handle_link, adapter); 1107 adapter->mod_si = softint_establish(SOFTINT_NET | IXGBE_SOFTINFT_FLAGS, 1108 ixgbe_handle_mod, adapter); 1109 adapter->msf_si = softint_establish(SOFTINT_NET | IXGBE_SOFTINFT_FLAGS, 1110 ixgbe_handle_msf, adapter); 1111 adapter->phy_si = softint_establish(SOFTINT_NET | IXGBE_SOFTINFT_FLAGS, 1112 ixgbe_handle_phy, adapter); 1113 if (adapter->feat_en & IXGBE_FEATURE_FDIR) 1114 adapter->fdir_si = 1115 softint_establish(SOFTINT_NET | IXGBE_SOFTINFT_FLAGS, 1116 ixgbe_reinit_fdir, adapter); 1117 if ((adapter->link_si == NULL) || (adapter->mod_si == NULL) 1118 || (adapter->msf_si == NULL) || (adapter->phy_si == NULL) 1119 || ((adapter->feat_en & IXGBE_FEATURE_FDIR) 1120 && (adapter->fdir_si == NULL))) { 1121 aprint_error_dev(dev, 1122 "could not establish software interrupts ()\n"); 1123 goto err_out; 1124 } 1125 1126 error = ixgbe_start_hw(hw); 1127 switch (error) { 1128 case IXGBE_ERR_EEPROM_VERSION: 1129 aprint_error_dev(dev, "This device is a pre-production adapter/" 1130 "LOM. Please be aware there may be issues associated " 1131 "with your hardware.\nIf you are experiencing problems " 1132 "please contact your Intel or hardware representative " 1133 "who provided you with this hardware.\n"); 1134 break; 1135 case IXGBE_ERR_SFP_NOT_SUPPORTED: 1136 aprint_error_dev(dev, "Unsupported SFP+ Module\n"); 1137 error = EIO; 1138 goto err_late; 1139 case IXGBE_ERR_SFP_NOT_PRESENT: 1140 aprint_error_dev(dev, "No SFP+ Module found\n"); 1141 /* falls thru */ 1142 default: 1143 break; 1144 } 1145 1146 /* Setup OS specific network interface */ 1147 if (ixgbe_setup_interface(dev, adapter) != 0) 1148 goto err_late; 1149 1150 /* 1151 * Print PHY ID only for copper PHY. On device which has SFP(+) cage 1152 * and a module is inserted, phy.id is not MII PHY id but SFF 8024 ID. 1153 */ 1154 if (hw->phy.media_type == ixgbe_media_type_copper) { 1155 uint16_t id1, id2; 1156 int oui, model, rev; 1157 const char *descr; 1158 1159 id1 = hw->phy.id >> 16; 1160 id2 = hw->phy.id & 0xffff; 1161 oui = MII_OUI(id1, id2); 1162 model = MII_MODEL(id2); 1163 rev = MII_REV(id2); 1164 if ((descr = mii_get_descr(oui, model)) != NULL) 1165 aprint_normal_dev(dev, 1166 "PHY: %s (OUI 0x%06x, model 0x%04x), rev. %d\n", 1167 descr, oui, model, rev); 1168 else 1169 aprint_normal_dev(dev, 1170 "PHY OUI 0x%06x, model 0x%04x, rev. %d\n", 1171 oui, model, rev); 1172 } 1173 1174 /* Enable the optics for 82599 SFP+ fiber */ 1175 ixgbe_enable_tx_laser(hw); 1176 1177 /* Enable EEE power saving */ 1178 if (adapter->feat_cap & IXGBE_FEATURE_EEE) 1179 hw->mac.ops.setup_eee(hw, 1180 adapter->feat_en & IXGBE_FEATURE_EEE); 1181 1182 /* Enable power to the phy. */ 1183 ixgbe_set_phy_power(hw, TRUE); 1184 1185 /* Initialize statistics */ 1186 ixgbe_update_stats_counters(adapter); 1187 1188 /* Check PCIE slot type/speed/width */ 1189 ixgbe_get_slot_info(adapter); 1190 1191 /* 1192 * Do time init and sysctl init here, but 1193 * only on the first port of a bypass adapter. 1194 */ 1195 ixgbe_bypass_init(adapter); 1196 1197 /* Set an initial dmac value */ 1198 adapter->dmac = 0; 1199 /* Set initial advertised speeds (if applicable) */ 1200 adapter->advertise = ixgbe_get_advertise(adapter); 1201 1202 if (adapter->feat_cap & IXGBE_FEATURE_SRIOV) 1203 ixgbe_define_iov_schemas(dev, &error); 1204 1205 /* Add sysctls */ 1206 ixgbe_add_device_sysctls(adapter); 1207 ixgbe_add_hw_stats(adapter); 1208 1209 /* For Netmap */ 1210 adapter->init_locked = ixgbe_init_locked; 1211 adapter->stop_locked = ixgbe_stop; 1212 1213 if (adapter->feat_en & IXGBE_FEATURE_NETMAP) 1214 ixgbe_netmap_attach(adapter); 1215 1216 snprintb(buf, sizeof(buf), IXGBE_FEATURE_FLAGS, adapter->feat_cap); 1217 aprint_verbose_dev(dev, "feature cap %s\n", buf); 1218 snprintb(buf, sizeof(buf), IXGBE_FEATURE_FLAGS, adapter->feat_en); 1219 aprint_verbose_dev(dev, "feature ena %s\n", buf); 1220 1221 if (pmf_device_register(dev, ixgbe_suspend, ixgbe_resume)) 1222 pmf_class_network_register(dev, adapter->ifp); 1223 else 1224 aprint_error_dev(dev, "couldn't establish power handler\n"); 1225 1226 /* Init recovery mode timer and state variable */ 1227 if (adapter->feat_en & IXGBE_FEATURE_RECOVERY_MODE) { 1228 adapter->recovery_mode = 0; 1229 1230 /* Set up the timer callout */ 1231 callout_init(&adapter->recovery_mode_timer, 1232 IXGBE_CALLOUT_FLAGS); 1233 1234 /* Start the task */ 1235 callout_reset(&adapter->recovery_mode_timer, hz, 1236 ixgbe_recovery_mode_timer, adapter); 1237 } 1238 1239 INIT_DEBUGOUT("ixgbe_attach: end"); 1240 adapter->osdep.attached = true; 1241 1242 return; 1243 1244 err_late: 1245 ixgbe_free_transmit_structures(adapter); 1246 ixgbe_free_receive_structures(adapter); 1247 free(adapter->queues, M_DEVBUF); 1248 err_out: 1249 ctrl_ext = IXGBE_READ_REG(&adapter->hw, IXGBE_CTRL_EXT); 1250 ctrl_ext &= ~IXGBE_CTRL_EXT_DRV_LOAD; 1251 IXGBE_WRITE_REG(&adapter->hw, IXGBE_CTRL_EXT, ctrl_ext); 1252 ixgbe_free_softint(adapter); 1253 ixgbe_free_pci_resources(adapter); 1254 if (adapter->mta != NULL) 1255 free(adapter->mta, M_DEVBUF); 1256 IXGBE_CORE_LOCK_DESTROY(adapter); 1257 1258 return; 1259 } /* ixgbe_attach */ 1260 1261 /************************************************************************ 1262 * ixgbe_check_wol_support 1263 * 1264 * Checks whether the adapter's ports are capable of 1265 * Wake On LAN by reading the adapter's NVM. 1266 * 1267 * Sets each port's hw->wol_enabled value depending 1268 * on the value read here. 1269 ************************************************************************/ 1270 static void 1271 ixgbe_check_wol_support(struct adapter *adapter) 1272 { 1273 struct ixgbe_hw *hw = &adapter->hw; 1274 u16 dev_caps = 0; 1275 1276 /* Find out WoL support for port */ 1277 adapter->wol_support = hw->wol_enabled = 0; 1278 ixgbe_get_device_caps(hw, &dev_caps); 1279 if ((dev_caps & IXGBE_DEVICE_CAPS_WOL_PORT0_1) || 1280 ((dev_caps & IXGBE_DEVICE_CAPS_WOL_PORT0) && 1281 hw->bus.func == 0)) 1282 adapter->wol_support = hw->wol_enabled = 1; 1283 1284 /* Save initial wake up filter configuration */ 1285 adapter->wufc = IXGBE_READ_REG(hw, IXGBE_WUFC); 1286 1287 return; 1288 } /* ixgbe_check_wol_support */ 1289 1290 /************************************************************************ 1291 * ixgbe_setup_interface 1292 * 1293 * Setup networking device structure and register an interface. 1294 ************************************************************************/ 1295 static int 1296 ixgbe_setup_interface(device_t dev, struct adapter *adapter) 1297 { 1298 struct ethercom *ec = &adapter->osdep.ec; 1299 struct ifnet *ifp; 1300 int rv; 1301 1302 INIT_DEBUGOUT("ixgbe_setup_interface: begin"); 1303 1304 ifp = adapter->ifp = &ec->ec_if; 1305 strlcpy(ifp->if_xname, device_xname(dev), IFNAMSIZ); 1306 ifp->if_baudrate = IF_Gbps(10); 1307 ifp->if_init = ixgbe_init; 1308 ifp->if_stop = ixgbe_ifstop; 1309 ifp->if_softc = adapter; 1310 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 1311 #ifdef IXGBE_MPSAFE 1312 ifp->if_extflags = IFEF_MPSAFE; 1313 #endif 1314 ifp->if_ioctl = ixgbe_ioctl; 1315 #if __FreeBSD_version >= 1100045 1316 /* TSO parameters */ 1317 ifp->if_hw_tsomax = 65518; 1318 ifp->if_hw_tsomaxsegcount = IXGBE_82599_SCATTER; 1319 ifp->if_hw_tsomaxsegsize = 2048; 1320 #endif 1321 if (adapter->feat_en & IXGBE_FEATURE_LEGACY_TX) { 1322 #if 0 1323 ixgbe_start_locked = ixgbe_legacy_start_locked; 1324 #endif 1325 } else { 1326 ifp->if_transmit = ixgbe_mq_start; 1327 #if 0 1328 ixgbe_start_locked = ixgbe_mq_start_locked; 1329 #endif 1330 } 1331 ifp->if_start = ixgbe_legacy_start; 1332 IFQ_SET_MAXLEN(&ifp->if_snd, adapter->num_tx_desc - 2); 1333 IFQ_SET_READY(&ifp->if_snd); 1334 1335 rv = if_initialize(ifp); 1336 if (rv != 0) { 1337 aprint_error_dev(dev, "if_initialize failed(%d)\n", rv); 1338 return rv; 1339 } 1340 adapter->ipq = if_percpuq_create(&adapter->osdep.ec.ec_if); 1341 ether_ifattach(ifp, adapter->hw.mac.addr); 1342 /* 1343 * We use per TX queue softint, so if_deferred_start_init() isn't 1344 * used. 1345 */ 1346 ether_set_ifflags_cb(ec, ixgbe_ifflags_cb); 1347 1348 adapter->max_frame_size = ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN; 1349 1350 /* 1351 * Tell the upper layer(s) we support long frames. 1352 */ 1353 ifp->if_hdrlen = sizeof(struct ether_vlan_header); 1354 1355 /* Set capability flags */ 1356 ifp->if_capabilities |= IFCAP_RXCSUM 1357 | IFCAP_TXCSUM 1358 | IFCAP_TSOv4 1359 | IFCAP_TSOv6; 1360 ifp->if_capenable = 0; 1361 1362 ec->ec_capabilities |= ETHERCAP_VLAN_HWTAGGING 1363 | ETHERCAP_VLAN_HWCSUM 1364 | ETHERCAP_JUMBO_MTU 1365 | ETHERCAP_VLAN_MTU; 1366 1367 /* Enable the above capabilities by default */ 1368 ec->ec_capenable = ec->ec_capabilities; 1369 1370 /* 1371 * Don't turn this on by default, if vlans are 1372 * created on another pseudo device (eg. lagg) 1373 * then vlan events are not passed thru, breaking 1374 * operation, but with HW FILTER off it works. If 1375 * using vlans directly on the ixgbe driver you can 1376 * enable this and get full hardware tag filtering. 1377 */ 1378 ec->ec_capabilities |= ETHERCAP_VLAN_HWFILTER; 1379 1380 /* 1381 * Specify the media types supported by this adapter and register 1382 * callbacks to update media and link information 1383 */ 1384 ec->ec_ifmedia = &adapter->media; 1385 ifmedia_init(&adapter->media, IFM_IMASK, ixgbe_media_change, 1386 ixgbe_media_status); 1387 1388 adapter->phy_layer = ixgbe_get_supported_physical_layer(&adapter->hw); 1389 ixgbe_add_media_types(adapter); 1390 1391 /* Set autoselect media by default */ 1392 ifmedia_set(&adapter->media, IFM_ETHER | IFM_AUTO); 1393 1394 if_register(ifp); 1395 1396 return (0); 1397 } /* ixgbe_setup_interface */ 1398 1399 /************************************************************************ 1400 * ixgbe_add_media_types 1401 ************************************************************************/ 1402 static void 1403 ixgbe_add_media_types(struct adapter *adapter) 1404 { 1405 struct ixgbe_hw *hw = &adapter->hw; 1406 device_t dev = adapter->dev; 1407 u64 layer; 1408 1409 layer = adapter->phy_layer; 1410 1411 #define ADD(mm, dd) \ 1412 ifmedia_add(&adapter->media, IFM_ETHER | (mm), (dd), NULL); 1413 1414 ADD(IFM_NONE, 0); 1415 1416 /* Media types with matching NetBSD media defines */ 1417 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_T) { 1418 ADD(IFM_10G_T | IFM_FDX, 0); 1419 } 1420 if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_T) { 1421 ADD(IFM_1000_T | IFM_FDX, 0); 1422 } 1423 if (layer & IXGBE_PHYSICAL_LAYER_100BASE_TX) { 1424 ADD(IFM_100_TX | IFM_FDX, 0); 1425 } 1426 if (layer & IXGBE_PHYSICAL_LAYER_10BASE_T) { 1427 ADD(IFM_10_T | IFM_FDX, 0); 1428 } 1429 1430 if (layer & IXGBE_PHYSICAL_LAYER_SFP_PLUS_CU || 1431 layer & IXGBE_PHYSICAL_LAYER_SFP_ACTIVE_DA) { 1432 ADD(IFM_10G_TWINAX | IFM_FDX, 0); 1433 } 1434 1435 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_LR) { 1436 ADD(IFM_10G_LR | IFM_FDX, 0); 1437 if (hw->phy.multispeed_fiber) { 1438 ADD(IFM_1000_LX | IFM_FDX, 0); 1439 } 1440 } 1441 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_SR) { 1442 ADD(IFM_10G_SR | IFM_FDX, 0); 1443 if (hw->phy.multispeed_fiber) { 1444 ADD(IFM_1000_SX | IFM_FDX, 0); 1445 } 1446 } else if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_SX) { 1447 ADD(IFM_1000_SX | IFM_FDX, 0); 1448 } 1449 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_CX4) { 1450 ADD(IFM_10G_CX4 | IFM_FDX, 0); 1451 } 1452 1453 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KR) { 1454 ADD(IFM_10G_KR | IFM_FDX, 0); 1455 } 1456 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KX4) { 1457 ADD(IFM_10G_KX4 | IFM_FDX, 0); 1458 } 1459 if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_KX) { 1460 ADD(IFM_1000_KX | IFM_FDX, 0); 1461 } 1462 if (layer & IXGBE_PHYSICAL_LAYER_2500BASE_KX) { 1463 ADD(IFM_2500_KX | IFM_FDX, 0); 1464 } 1465 if (layer & IXGBE_PHYSICAL_LAYER_2500BASE_T) { 1466 ADD(IFM_2500_T | IFM_FDX, 0); 1467 } 1468 if (layer & IXGBE_PHYSICAL_LAYER_5GBASE_T) { 1469 ADD(IFM_5000_T | IFM_FDX, 0); 1470 } 1471 if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_BX) 1472 device_printf(dev, "Media supported: 1000baseBX\n"); 1473 /* XXX no ifmedia_set? */ 1474 1475 ADD(IFM_AUTO, 0); 1476 1477 #undef ADD 1478 } /* ixgbe_add_media_types */ 1479 1480 /************************************************************************ 1481 * ixgbe_is_sfp 1482 ************************************************************************/ 1483 static inline bool 1484 ixgbe_is_sfp(struct ixgbe_hw *hw) 1485 { 1486 switch (hw->mac.type) { 1487 case ixgbe_mac_82598EB: 1488 if (hw->phy.type == ixgbe_phy_nl) 1489 return (TRUE); 1490 return (FALSE); 1491 case ixgbe_mac_82599EB: 1492 switch (hw->mac.ops.get_media_type(hw)) { 1493 case ixgbe_media_type_fiber: 1494 case ixgbe_media_type_fiber_qsfp: 1495 return (TRUE); 1496 default: 1497 return (FALSE); 1498 } 1499 case ixgbe_mac_X550EM_x: 1500 case ixgbe_mac_X550EM_a: 1501 if (hw->mac.ops.get_media_type(hw) == ixgbe_media_type_fiber) 1502 return (TRUE); 1503 return (FALSE); 1504 default: 1505 return (FALSE); 1506 } 1507 } /* ixgbe_is_sfp */ 1508 1509 /************************************************************************ 1510 * ixgbe_config_link 1511 ************************************************************************/ 1512 static void 1513 ixgbe_config_link(struct adapter *adapter) 1514 { 1515 struct ixgbe_hw *hw = &adapter->hw; 1516 u32 autoneg, err = 0; 1517 bool sfp, negotiate = false; 1518 1519 sfp = ixgbe_is_sfp(hw); 1520 1521 if (sfp) { 1522 if (hw->phy.multispeed_fiber) { 1523 ixgbe_enable_tx_laser(hw); 1524 kpreempt_disable(); 1525 softint_schedule(adapter->msf_si); 1526 kpreempt_enable(); 1527 } 1528 kpreempt_disable(); 1529 softint_schedule(adapter->mod_si); 1530 kpreempt_enable(); 1531 } else { 1532 struct ifmedia *ifm = &adapter->media; 1533 1534 if (hw->mac.ops.check_link) 1535 err = ixgbe_check_link(hw, &adapter->link_speed, 1536 &adapter->link_up, FALSE); 1537 if (err) 1538 return; 1539 1540 /* 1541 * Check if it's the first call. If it's the first call, 1542 * get value for auto negotiation. 1543 */ 1544 autoneg = hw->phy.autoneg_advertised; 1545 if ((IFM_SUBTYPE(ifm->ifm_cur->ifm_media) != IFM_NONE) 1546 && ((!autoneg) && (hw->mac.ops.get_link_capabilities))) 1547 err = hw->mac.ops.get_link_capabilities(hw, &autoneg, 1548 &negotiate); 1549 if (err) 1550 return; 1551 if (hw->mac.ops.setup_link) 1552 err = hw->mac.ops.setup_link(hw, autoneg, 1553 adapter->link_up); 1554 } 1555 1556 } /* ixgbe_config_link */ 1557 1558 /************************************************************************ 1559 * ixgbe_update_stats_counters - Update board statistics counters. 1560 ************************************************************************/ 1561 static void 1562 ixgbe_update_stats_counters(struct adapter *adapter) 1563 { 1564 struct ifnet *ifp = adapter->ifp; 1565 struct ixgbe_hw *hw = &adapter->hw; 1566 struct ixgbe_hw_stats *stats = &adapter->stats.pf; 1567 u32 missed_rx = 0, bprc, lxon, lxoff, total; 1568 u64 total_missed_rx = 0; 1569 uint64_t crcerrs, rlec; 1570 unsigned int queue_counters; 1571 int i; 1572 1573 crcerrs = IXGBE_READ_REG(hw, IXGBE_CRCERRS); 1574 stats->crcerrs.ev_count += crcerrs; 1575 stats->illerrc.ev_count += IXGBE_READ_REG(hw, IXGBE_ILLERRC); 1576 stats->errbc.ev_count += IXGBE_READ_REG(hw, IXGBE_ERRBC); 1577 stats->mspdc.ev_count += IXGBE_READ_REG(hw, IXGBE_MSPDC); 1578 if (hw->mac.type == ixgbe_mac_X550) 1579 stats->mbsdc.ev_count += IXGBE_READ_REG(hw, IXGBE_MBSDC); 1580 1581 /* 16 registers exist */ 1582 queue_counters = uimin(__arraycount(stats->qprc), adapter->num_queues); 1583 for (i = 0; i < queue_counters; i++) { 1584 stats->qprc[i].ev_count += IXGBE_READ_REG(hw, IXGBE_QPRC(i)); 1585 stats->qptc[i].ev_count += IXGBE_READ_REG(hw, IXGBE_QPTC(i)); 1586 if (hw->mac.type >= ixgbe_mac_82599EB) { 1587 stats->qprdc[i].ev_count 1588 += IXGBE_READ_REG(hw, IXGBE_QPRDC(i)); 1589 } 1590 } 1591 1592 /* 8 registers exist */ 1593 for (i = 0; i < IXGBE_TC_COUNTER_NUM; i++) { 1594 uint32_t mp; 1595 1596 /* MPC */ 1597 mp = IXGBE_READ_REG(hw, IXGBE_MPC(i)); 1598 /* global total per queue */ 1599 stats->mpc[i].ev_count += mp; 1600 /* running comprehensive total for stats display */ 1601 total_missed_rx += mp; 1602 1603 if (hw->mac.type == ixgbe_mac_82598EB) 1604 stats->rnbc[i].ev_count 1605 += IXGBE_READ_REG(hw, IXGBE_RNBC(i)); 1606 1607 stats->pxontxc[i].ev_count 1608 += IXGBE_READ_REG(hw, IXGBE_PXONTXC(i)); 1609 stats->pxofftxc[i].ev_count 1610 += IXGBE_READ_REG(hw, IXGBE_PXOFFTXC(i)); 1611 if (hw->mac.type >= ixgbe_mac_82599EB) { 1612 stats->pxonrxc[i].ev_count 1613 += IXGBE_READ_REG(hw, IXGBE_PXONRXCNT(i)); 1614 stats->pxoffrxc[i].ev_count 1615 += IXGBE_READ_REG(hw, IXGBE_PXOFFRXCNT(i)); 1616 stats->pxon2offc[i].ev_count 1617 += IXGBE_READ_REG(hw, IXGBE_PXON2OFFCNT(i)); 1618 } else { 1619 stats->pxonrxc[i].ev_count 1620 += IXGBE_READ_REG(hw, IXGBE_PXONRXC(i)); 1621 stats->pxoffrxc[i].ev_count 1622 += IXGBE_READ_REG(hw, IXGBE_PXOFFRXC(i)); 1623 } 1624 } 1625 stats->mpctotal.ev_count += total_missed_rx; 1626 1627 /* Document says M[LR]FC are valid when link is up and 10Gbps */ 1628 if ((adapter->link_active == LINK_STATE_UP) 1629 && (adapter->link_speed == IXGBE_LINK_SPEED_10GB_FULL)) { 1630 stats->mlfc.ev_count += IXGBE_READ_REG(hw, IXGBE_MLFC); 1631 stats->mrfc.ev_count += IXGBE_READ_REG(hw, IXGBE_MRFC); 1632 } 1633 rlec = IXGBE_READ_REG(hw, IXGBE_RLEC); 1634 stats->rlec.ev_count += rlec; 1635 1636 /* Hardware workaround, gprc counts missed packets */ 1637 stats->gprc.ev_count += IXGBE_READ_REG(hw, IXGBE_GPRC) - missed_rx; 1638 1639 lxon = IXGBE_READ_REG(hw, IXGBE_LXONTXC); 1640 stats->lxontxc.ev_count += lxon; 1641 lxoff = IXGBE_READ_REG(hw, IXGBE_LXOFFTXC); 1642 stats->lxofftxc.ev_count += lxoff; 1643 total = lxon + lxoff; 1644 1645 if (hw->mac.type != ixgbe_mac_82598EB) { 1646 stats->gorc.ev_count += IXGBE_READ_REG(hw, IXGBE_GORCL) + 1647 ((u64)IXGBE_READ_REG(hw, IXGBE_GORCH) << 32); 1648 stats->gotc.ev_count += IXGBE_READ_REG(hw, IXGBE_GOTCL) + 1649 ((u64)IXGBE_READ_REG(hw, IXGBE_GOTCH) << 32) - total * ETHER_MIN_LEN; 1650 stats->tor.ev_count += IXGBE_READ_REG(hw, IXGBE_TORL) + 1651 ((u64)IXGBE_READ_REG(hw, IXGBE_TORH) << 32); 1652 stats->lxonrxc.ev_count += IXGBE_READ_REG(hw, IXGBE_LXONRXCNT); 1653 stats->lxoffrxc.ev_count += IXGBE_READ_REG(hw, IXGBE_LXOFFRXCNT); 1654 } else { 1655 stats->lxonrxc.ev_count += IXGBE_READ_REG(hw, IXGBE_LXONRXC); 1656 stats->lxoffrxc.ev_count += IXGBE_READ_REG(hw, IXGBE_LXOFFRXC); 1657 /* 82598 only has a counter in the high register */ 1658 stats->gorc.ev_count += IXGBE_READ_REG(hw, IXGBE_GORCH); 1659 stats->gotc.ev_count += IXGBE_READ_REG(hw, IXGBE_GOTCH) - total * ETHER_MIN_LEN; 1660 stats->tor.ev_count += IXGBE_READ_REG(hw, IXGBE_TORH); 1661 } 1662 1663 /* 1664 * Workaround: mprc hardware is incorrectly counting 1665 * broadcasts, so for now we subtract those. 1666 */ 1667 bprc = IXGBE_READ_REG(hw, IXGBE_BPRC); 1668 stats->bprc.ev_count += bprc; 1669 stats->mprc.ev_count += IXGBE_READ_REG(hw, IXGBE_MPRC) 1670 - ((hw->mac.type == ixgbe_mac_82598EB) ? bprc : 0); 1671 1672 stats->prc64.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC64); 1673 stats->prc127.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC127); 1674 stats->prc255.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC255); 1675 stats->prc511.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC511); 1676 stats->prc1023.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC1023); 1677 stats->prc1522.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC1522); 1678 1679 stats->gptc.ev_count += IXGBE_READ_REG(hw, IXGBE_GPTC) - total; 1680 stats->mptc.ev_count += IXGBE_READ_REG(hw, IXGBE_MPTC) - total; 1681 stats->ptc64.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC64) - total; 1682 1683 stats->ruc.ev_count += IXGBE_READ_REG(hw, IXGBE_RUC); 1684 stats->rfc.ev_count += IXGBE_READ_REG(hw, IXGBE_RFC); 1685 stats->roc.ev_count += IXGBE_READ_REG(hw, IXGBE_ROC); 1686 stats->rjc.ev_count += IXGBE_READ_REG(hw, IXGBE_RJC); 1687 stats->mngprc.ev_count += IXGBE_READ_REG(hw, IXGBE_MNGPRC); 1688 stats->mngpdc.ev_count += IXGBE_READ_REG(hw, IXGBE_MNGPDC); 1689 stats->mngptc.ev_count += IXGBE_READ_REG(hw, IXGBE_MNGPTC); 1690 stats->tpr.ev_count += IXGBE_READ_REG(hw, IXGBE_TPR); 1691 stats->tpt.ev_count += IXGBE_READ_REG(hw, IXGBE_TPT); 1692 stats->ptc127.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC127); 1693 stats->ptc255.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC255); 1694 stats->ptc511.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC511); 1695 stats->ptc1023.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC1023); 1696 stats->ptc1522.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC1522); 1697 stats->bptc.ev_count += IXGBE_READ_REG(hw, IXGBE_BPTC); 1698 stats->xec.ev_count += IXGBE_READ_REG(hw, IXGBE_XEC); 1699 stats->fccrc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCCRC); 1700 stats->fclast.ev_count += IXGBE_READ_REG(hw, IXGBE_FCLAST); 1701 /* Only read FCOE on 82599 */ 1702 if (hw->mac.type != ixgbe_mac_82598EB) { 1703 stats->fcoerpdc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOERPDC); 1704 stats->fcoeprc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOEPRC); 1705 stats->fcoeptc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOEPTC); 1706 stats->fcoedwrc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOEDWRC); 1707 stats->fcoedwtc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOEDWTC); 1708 } 1709 1710 /* Fill out the OS statistics structure */ 1711 /* 1712 * NetBSD: Don't override if_{i|o}{packets|bytes|mcasts} with 1713 * adapter->stats counters. It's required to make ifconfig -z 1714 * (SOICZIFDATA) work. 1715 */ 1716 ifp->if_collisions = 0; 1717 1718 /* Rx Errors */ 1719 ifp->if_iqdrops += total_missed_rx; 1720 ifp->if_ierrors += crcerrs + rlec; 1721 } /* ixgbe_update_stats_counters */ 1722 1723 /************************************************************************ 1724 * ixgbe_add_hw_stats 1725 * 1726 * Add sysctl variables, one per statistic, to the system. 1727 ************************************************************************/ 1728 static void 1729 ixgbe_add_hw_stats(struct adapter *adapter) 1730 { 1731 device_t dev = adapter->dev; 1732 const struct sysctlnode *rnode, *cnode; 1733 struct sysctllog **log = &adapter->sysctllog; 1734 struct tx_ring *txr = adapter->tx_rings; 1735 struct rx_ring *rxr = adapter->rx_rings; 1736 struct ixgbe_hw *hw = &adapter->hw; 1737 struct ixgbe_hw_stats *stats = &adapter->stats.pf; 1738 const char *xname = device_xname(dev); 1739 int i; 1740 1741 /* Driver Statistics */ 1742 evcnt_attach_dynamic(&adapter->efbig_tx_dma_setup, EVCNT_TYPE_MISC, 1743 NULL, xname, "Driver tx dma soft fail EFBIG"); 1744 evcnt_attach_dynamic(&adapter->mbuf_defrag_failed, EVCNT_TYPE_MISC, 1745 NULL, xname, "m_defrag() failed"); 1746 evcnt_attach_dynamic(&adapter->efbig2_tx_dma_setup, EVCNT_TYPE_MISC, 1747 NULL, xname, "Driver tx dma hard fail EFBIG"); 1748 evcnt_attach_dynamic(&adapter->einval_tx_dma_setup, EVCNT_TYPE_MISC, 1749 NULL, xname, "Driver tx dma hard fail EINVAL"); 1750 evcnt_attach_dynamic(&adapter->other_tx_dma_setup, EVCNT_TYPE_MISC, 1751 NULL, xname, "Driver tx dma hard fail other"); 1752 evcnt_attach_dynamic(&adapter->eagain_tx_dma_setup, EVCNT_TYPE_MISC, 1753 NULL, xname, "Driver tx dma soft fail EAGAIN"); 1754 evcnt_attach_dynamic(&adapter->enomem_tx_dma_setup, EVCNT_TYPE_MISC, 1755 NULL, xname, "Driver tx dma soft fail ENOMEM"); 1756 evcnt_attach_dynamic(&adapter->watchdog_events, EVCNT_TYPE_MISC, 1757 NULL, xname, "Watchdog timeouts"); 1758 evcnt_attach_dynamic(&adapter->tso_err, EVCNT_TYPE_MISC, 1759 NULL, xname, "TSO errors"); 1760 evcnt_attach_dynamic(&adapter->link_irq, EVCNT_TYPE_INTR, 1761 NULL, xname, "Link MSI-X IRQ Handled"); 1762 evcnt_attach_dynamic(&adapter->link_sicount, EVCNT_TYPE_INTR, 1763 NULL, xname, "Link softint"); 1764 evcnt_attach_dynamic(&adapter->mod_sicount, EVCNT_TYPE_INTR, 1765 NULL, xname, "module softint"); 1766 evcnt_attach_dynamic(&adapter->msf_sicount, EVCNT_TYPE_INTR, 1767 NULL, xname, "multimode softint"); 1768 evcnt_attach_dynamic(&adapter->phy_sicount, EVCNT_TYPE_INTR, 1769 NULL, xname, "external PHY softint"); 1770 1771 /* Max number of traffic class is 8 */ 1772 KASSERT(IXGBE_DCB_MAX_TRAFFIC_CLASS == 8); 1773 for (i = 0; i < IXGBE_TC_COUNTER_NUM; i++) { 1774 snprintf(adapter->tcs[i].evnamebuf, 1775 sizeof(adapter->tcs[i].evnamebuf), "%s tc%d", 1776 xname, i); 1777 if (i < __arraycount(stats->mpc)) { 1778 evcnt_attach_dynamic(&stats->mpc[i], 1779 EVCNT_TYPE_MISC, NULL, adapter->tcs[i].evnamebuf, 1780 "RX Missed Packet Count"); 1781 if (hw->mac.type == ixgbe_mac_82598EB) 1782 evcnt_attach_dynamic(&stats->rnbc[i], 1783 EVCNT_TYPE_MISC, NULL, 1784 adapter->tcs[i].evnamebuf, 1785 "Receive No Buffers"); 1786 } 1787 if (i < __arraycount(stats->pxontxc)) { 1788 evcnt_attach_dynamic(&stats->pxontxc[i], 1789 EVCNT_TYPE_MISC, NULL, adapter->tcs[i].evnamebuf, 1790 "pxontxc"); 1791 evcnt_attach_dynamic(&stats->pxonrxc[i], 1792 EVCNT_TYPE_MISC, NULL, adapter->tcs[i].evnamebuf, 1793 "pxonrxc"); 1794 evcnt_attach_dynamic(&stats->pxofftxc[i], 1795 EVCNT_TYPE_MISC, NULL, adapter->tcs[i].evnamebuf, 1796 "pxofftxc"); 1797 evcnt_attach_dynamic(&stats->pxoffrxc[i], 1798 EVCNT_TYPE_MISC, NULL, adapter->tcs[i].evnamebuf, 1799 "pxoffrxc"); 1800 if (hw->mac.type >= ixgbe_mac_82599EB) 1801 evcnt_attach_dynamic(&stats->pxon2offc[i], 1802 EVCNT_TYPE_MISC, NULL, 1803 adapter->tcs[i].evnamebuf, 1804 "pxon2offc"); 1805 } 1806 } 1807 1808 for (i = 0; i < adapter->num_queues; i++, rxr++, txr++) { 1809 #ifdef LRO 1810 struct lro_ctrl *lro = &rxr->lro; 1811 #endif /* LRO */ 1812 1813 snprintf(adapter->queues[i].evnamebuf, 1814 sizeof(adapter->queues[i].evnamebuf), "%s q%d", 1815 xname, i); 1816 snprintf(adapter->queues[i].namebuf, 1817 sizeof(adapter->queues[i].namebuf), "q%d", i); 1818 1819 if ((rnode = ixgbe_sysctl_instance(adapter)) == NULL) { 1820 aprint_error_dev(dev, "could not create sysctl root\n"); 1821 break; 1822 } 1823 1824 if (sysctl_createv(log, 0, &rnode, &rnode, 1825 0, CTLTYPE_NODE, 1826 adapter->queues[i].namebuf, SYSCTL_DESCR("Queue Name"), 1827 NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL) != 0) 1828 break; 1829 1830 if (sysctl_createv(log, 0, &rnode, &cnode, 1831 CTLFLAG_READWRITE, CTLTYPE_INT, 1832 "interrupt_rate", SYSCTL_DESCR("Interrupt Rate"), 1833 ixgbe_sysctl_interrupt_rate_handler, 0, 1834 (void *)&adapter->queues[i], 0, CTL_CREATE, CTL_EOL) != 0) 1835 break; 1836 1837 if (sysctl_createv(log, 0, &rnode, &cnode, 1838 CTLFLAG_READONLY, CTLTYPE_INT, 1839 "txd_head", SYSCTL_DESCR("Transmit Descriptor Head"), 1840 ixgbe_sysctl_tdh_handler, 0, (void *)txr, 1841 0, CTL_CREATE, CTL_EOL) != 0) 1842 break; 1843 1844 if (sysctl_createv(log, 0, &rnode, &cnode, 1845 CTLFLAG_READONLY, CTLTYPE_INT, 1846 "txd_tail", SYSCTL_DESCR("Transmit Descriptor Tail"), 1847 ixgbe_sysctl_tdt_handler, 0, (void *)txr, 1848 0, CTL_CREATE, CTL_EOL) != 0) 1849 break; 1850 1851 evcnt_attach_dynamic(&adapter->queues[i].irqs, EVCNT_TYPE_INTR, 1852 NULL, adapter->queues[i].evnamebuf, "IRQs on queue"); 1853 evcnt_attach_dynamic(&adapter->queues[i].handleq, 1854 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1855 "Handled queue in softint"); 1856 evcnt_attach_dynamic(&adapter->queues[i].req, EVCNT_TYPE_MISC, 1857 NULL, adapter->queues[i].evnamebuf, "Requeued in softint"); 1858 evcnt_attach_dynamic(&txr->tso_tx, EVCNT_TYPE_MISC, 1859 NULL, adapter->queues[i].evnamebuf, "TSO"); 1860 evcnt_attach_dynamic(&txr->no_desc_avail, EVCNT_TYPE_MISC, 1861 NULL, adapter->queues[i].evnamebuf, 1862 "Queue No Descriptor Available"); 1863 evcnt_attach_dynamic(&txr->total_packets, EVCNT_TYPE_MISC, 1864 NULL, adapter->queues[i].evnamebuf, 1865 "Queue Packets Transmitted"); 1866 #ifndef IXGBE_LEGACY_TX 1867 evcnt_attach_dynamic(&txr->pcq_drops, EVCNT_TYPE_MISC, 1868 NULL, adapter->queues[i].evnamebuf, 1869 "Packets dropped in pcq"); 1870 #endif 1871 1872 if (sysctl_createv(log, 0, &rnode, &cnode, 1873 CTLFLAG_READONLY, 1874 CTLTYPE_INT, 1875 "rxd_nxck", SYSCTL_DESCR("Receive Descriptor next to check"), 1876 ixgbe_sysctl_next_to_check_handler, 0, (void *)rxr, 0, 1877 CTL_CREATE, CTL_EOL) != 0) 1878 break; 1879 1880 if (sysctl_createv(log, 0, &rnode, &cnode, 1881 CTLFLAG_READONLY, 1882 CTLTYPE_INT, 1883 "rxd_head", SYSCTL_DESCR("Receive Descriptor Head"), 1884 ixgbe_sysctl_rdh_handler, 0, (void *)rxr, 0, 1885 CTL_CREATE, CTL_EOL) != 0) 1886 break; 1887 1888 if (sysctl_createv(log, 0, &rnode, &cnode, 1889 CTLFLAG_READONLY, 1890 CTLTYPE_INT, 1891 "rxd_tail", SYSCTL_DESCR("Receive Descriptor Tail"), 1892 ixgbe_sysctl_rdt_handler, 0, (void *)rxr, 0, 1893 CTL_CREATE, CTL_EOL) != 0) 1894 break; 1895 1896 if (i < __arraycount(stats->qprc)) { 1897 evcnt_attach_dynamic(&stats->qprc[i], 1898 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1899 "qprc"); 1900 evcnt_attach_dynamic(&stats->qptc[i], 1901 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1902 "qptc"); 1903 evcnt_attach_dynamic(&stats->qbrc[i], 1904 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1905 "qbrc"); 1906 evcnt_attach_dynamic(&stats->qbtc[i], 1907 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1908 "qbtc"); 1909 if (hw->mac.type >= ixgbe_mac_82599EB) 1910 evcnt_attach_dynamic(&stats->qprdc[i], 1911 EVCNT_TYPE_MISC, NULL, 1912 adapter->queues[i].evnamebuf, "qprdc"); 1913 } 1914 1915 evcnt_attach_dynamic(&rxr->rx_packets, EVCNT_TYPE_MISC, 1916 NULL, adapter->queues[i].evnamebuf, "Queue Packets Received"); 1917 evcnt_attach_dynamic(&rxr->rx_bytes, EVCNT_TYPE_MISC, 1918 NULL, adapter->queues[i].evnamebuf, "Queue Bytes Received"); 1919 evcnt_attach_dynamic(&rxr->rx_copies, EVCNT_TYPE_MISC, 1920 NULL, adapter->queues[i].evnamebuf, "Copied RX Frames"); 1921 evcnt_attach_dynamic(&rxr->no_jmbuf, EVCNT_TYPE_MISC, 1922 NULL, adapter->queues[i].evnamebuf, "Rx no jumbo mbuf"); 1923 evcnt_attach_dynamic(&rxr->rx_discarded, EVCNT_TYPE_MISC, 1924 NULL, adapter->queues[i].evnamebuf, "Rx discarded"); 1925 #ifdef LRO 1926 SYSCTL_ADD_INT(ctx, queue_list, OID_AUTO, "lro_queued", 1927 CTLFLAG_RD, &lro->lro_queued, 0, 1928 "LRO Queued"); 1929 SYSCTL_ADD_INT(ctx, queue_list, OID_AUTO, "lro_flushed", 1930 CTLFLAG_RD, &lro->lro_flushed, 0, 1931 "LRO Flushed"); 1932 #endif /* LRO */ 1933 } 1934 1935 /* MAC stats get their own sub node */ 1936 1937 snprintf(stats->namebuf, 1938 sizeof(stats->namebuf), "%s MAC Statistics", xname); 1939 1940 evcnt_attach_dynamic(&stats->ipcs, EVCNT_TYPE_MISC, NULL, 1941 stats->namebuf, "rx csum offload - IP"); 1942 evcnt_attach_dynamic(&stats->l4cs, EVCNT_TYPE_MISC, NULL, 1943 stats->namebuf, "rx csum offload - L4"); 1944 evcnt_attach_dynamic(&stats->ipcs_bad, EVCNT_TYPE_MISC, NULL, 1945 stats->namebuf, "rx csum offload - IP bad"); 1946 evcnt_attach_dynamic(&stats->l4cs_bad, EVCNT_TYPE_MISC, NULL, 1947 stats->namebuf, "rx csum offload - L4 bad"); 1948 evcnt_attach_dynamic(&stats->intzero, EVCNT_TYPE_MISC, NULL, 1949 stats->namebuf, "Interrupt conditions zero"); 1950 evcnt_attach_dynamic(&stats->legint, EVCNT_TYPE_MISC, NULL, 1951 stats->namebuf, "Legacy interrupts"); 1952 1953 evcnt_attach_dynamic(&stats->crcerrs, EVCNT_TYPE_MISC, NULL, 1954 stats->namebuf, "CRC Errors"); 1955 evcnt_attach_dynamic(&stats->illerrc, EVCNT_TYPE_MISC, NULL, 1956 stats->namebuf, "Illegal Byte Errors"); 1957 evcnt_attach_dynamic(&stats->errbc, EVCNT_TYPE_MISC, NULL, 1958 stats->namebuf, "Byte Errors"); 1959 evcnt_attach_dynamic(&stats->mspdc, EVCNT_TYPE_MISC, NULL, 1960 stats->namebuf, "MAC Short Packets Discarded"); 1961 if (hw->mac.type >= ixgbe_mac_X550) 1962 evcnt_attach_dynamic(&stats->mbsdc, EVCNT_TYPE_MISC, NULL, 1963 stats->namebuf, "Bad SFD"); 1964 evcnt_attach_dynamic(&stats->mpctotal, EVCNT_TYPE_MISC, NULL, 1965 stats->namebuf, "Total Packets Missed"); 1966 evcnt_attach_dynamic(&stats->mlfc, EVCNT_TYPE_MISC, NULL, 1967 stats->namebuf, "MAC Local Faults"); 1968 evcnt_attach_dynamic(&stats->mrfc, EVCNT_TYPE_MISC, NULL, 1969 stats->namebuf, "MAC Remote Faults"); 1970 evcnt_attach_dynamic(&stats->rlec, EVCNT_TYPE_MISC, NULL, 1971 stats->namebuf, "Receive Length Errors"); 1972 evcnt_attach_dynamic(&stats->lxontxc, EVCNT_TYPE_MISC, NULL, 1973 stats->namebuf, "Link XON Transmitted"); 1974 evcnt_attach_dynamic(&stats->lxonrxc, EVCNT_TYPE_MISC, NULL, 1975 stats->namebuf, "Link XON Received"); 1976 evcnt_attach_dynamic(&stats->lxofftxc, EVCNT_TYPE_MISC, NULL, 1977 stats->namebuf, "Link XOFF Transmitted"); 1978 evcnt_attach_dynamic(&stats->lxoffrxc, EVCNT_TYPE_MISC, NULL, 1979 stats->namebuf, "Link XOFF Received"); 1980 1981 /* Packet Reception Stats */ 1982 evcnt_attach_dynamic(&stats->tor, EVCNT_TYPE_MISC, NULL, 1983 stats->namebuf, "Total Octets Received"); 1984 evcnt_attach_dynamic(&stats->gorc, EVCNT_TYPE_MISC, NULL, 1985 stats->namebuf, "Good Octets Received"); 1986 evcnt_attach_dynamic(&stats->tpr, EVCNT_TYPE_MISC, NULL, 1987 stats->namebuf, "Total Packets Received"); 1988 evcnt_attach_dynamic(&stats->gprc, EVCNT_TYPE_MISC, NULL, 1989 stats->namebuf, "Good Packets Received"); 1990 evcnt_attach_dynamic(&stats->mprc, EVCNT_TYPE_MISC, NULL, 1991 stats->namebuf, "Multicast Packets Received"); 1992 evcnt_attach_dynamic(&stats->bprc, EVCNT_TYPE_MISC, NULL, 1993 stats->namebuf, "Broadcast Packets Received"); 1994 evcnt_attach_dynamic(&stats->prc64, EVCNT_TYPE_MISC, NULL, 1995 stats->namebuf, "64 byte frames received "); 1996 evcnt_attach_dynamic(&stats->prc127, EVCNT_TYPE_MISC, NULL, 1997 stats->namebuf, "65-127 byte frames received"); 1998 evcnt_attach_dynamic(&stats->prc255, EVCNT_TYPE_MISC, NULL, 1999 stats->namebuf, "128-255 byte frames received"); 2000 evcnt_attach_dynamic(&stats->prc511, EVCNT_TYPE_MISC, NULL, 2001 stats->namebuf, "256-511 byte frames received"); 2002 evcnt_attach_dynamic(&stats->prc1023, EVCNT_TYPE_MISC, NULL, 2003 stats->namebuf, "512-1023 byte frames received"); 2004 evcnt_attach_dynamic(&stats->prc1522, EVCNT_TYPE_MISC, NULL, 2005 stats->namebuf, "1023-1522 byte frames received"); 2006 evcnt_attach_dynamic(&stats->ruc, EVCNT_TYPE_MISC, NULL, 2007 stats->namebuf, "Receive Undersized"); 2008 evcnt_attach_dynamic(&stats->rfc, EVCNT_TYPE_MISC, NULL, 2009 stats->namebuf, "Fragmented Packets Received "); 2010 evcnt_attach_dynamic(&stats->roc, EVCNT_TYPE_MISC, NULL, 2011 stats->namebuf, "Oversized Packets Received"); 2012 evcnt_attach_dynamic(&stats->rjc, EVCNT_TYPE_MISC, NULL, 2013 stats->namebuf, "Received Jabber"); 2014 evcnt_attach_dynamic(&stats->mngprc, EVCNT_TYPE_MISC, NULL, 2015 stats->namebuf, "Management Packets Received"); 2016 evcnt_attach_dynamic(&stats->mngpdc, EVCNT_TYPE_MISC, NULL, 2017 stats->namebuf, "Management Packets Dropped"); 2018 evcnt_attach_dynamic(&stats->xec, EVCNT_TYPE_MISC, NULL, 2019 stats->namebuf, "Checksum Errors"); 2020 2021 /* Packet Transmission Stats */ 2022 evcnt_attach_dynamic(&stats->gotc, EVCNT_TYPE_MISC, NULL, 2023 stats->namebuf, "Good Octets Transmitted"); 2024 evcnt_attach_dynamic(&stats->tpt, EVCNT_TYPE_MISC, NULL, 2025 stats->namebuf, "Total Packets Transmitted"); 2026 evcnt_attach_dynamic(&stats->gptc, EVCNT_TYPE_MISC, NULL, 2027 stats->namebuf, "Good Packets Transmitted"); 2028 evcnt_attach_dynamic(&stats->bptc, EVCNT_TYPE_MISC, NULL, 2029 stats->namebuf, "Broadcast Packets Transmitted"); 2030 evcnt_attach_dynamic(&stats->mptc, EVCNT_TYPE_MISC, NULL, 2031 stats->namebuf, "Multicast Packets Transmitted"); 2032 evcnt_attach_dynamic(&stats->mngptc, EVCNT_TYPE_MISC, NULL, 2033 stats->namebuf, "Management Packets Transmitted"); 2034 evcnt_attach_dynamic(&stats->ptc64, EVCNT_TYPE_MISC, NULL, 2035 stats->namebuf, "64 byte frames transmitted "); 2036 evcnt_attach_dynamic(&stats->ptc127, EVCNT_TYPE_MISC, NULL, 2037 stats->namebuf, "65-127 byte frames transmitted"); 2038 evcnt_attach_dynamic(&stats->ptc255, EVCNT_TYPE_MISC, NULL, 2039 stats->namebuf, "128-255 byte frames transmitted"); 2040 evcnt_attach_dynamic(&stats->ptc511, EVCNT_TYPE_MISC, NULL, 2041 stats->namebuf, "256-511 byte frames transmitted"); 2042 evcnt_attach_dynamic(&stats->ptc1023, EVCNT_TYPE_MISC, NULL, 2043 stats->namebuf, "512-1023 byte frames transmitted"); 2044 evcnt_attach_dynamic(&stats->ptc1522, EVCNT_TYPE_MISC, NULL, 2045 stats->namebuf, "1024-1522 byte frames transmitted"); 2046 } /* ixgbe_add_hw_stats */ 2047 2048 static void 2049 ixgbe_clear_evcnt(struct adapter *adapter) 2050 { 2051 struct tx_ring *txr = adapter->tx_rings; 2052 struct rx_ring *rxr = adapter->rx_rings; 2053 struct ixgbe_hw *hw = &adapter->hw; 2054 struct ixgbe_hw_stats *stats = &adapter->stats.pf; 2055 int i; 2056 2057 adapter->efbig_tx_dma_setup.ev_count = 0; 2058 adapter->mbuf_defrag_failed.ev_count = 0; 2059 adapter->efbig2_tx_dma_setup.ev_count = 0; 2060 adapter->einval_tx_dma_setup.ev_count = 0; 2061 adapter->other_tx_dma_setup.ev_count = 0; 2062 adapter->eagain_tx_dma_setup.ev_count = 0; 2063 adapter->enomem_tx_dma_setup.ev_count = 0; 2064 adapter->tso_err.ev_count = 0; 2065 adapter->watchdog_events.ev_count = 0; 2066 adapter->link_irq.ev_count = 0; 2067 adapter->link_sicount.ev_count = 0; 2068 adapter->mod_sicount.ev_count = 0; 2069 adapter->msf_sicount.ev_count = 0; 2070 adapter->phy_sicount.ev_count = 0; 2071 2072 for (i = 0; i < IXGBE_TC_COUNTER_NUM; i++) { 2073 if (i < __arraycount(stats->mpc)) { 2074 stats->mpc[i].ev_count = 0; 2075 if (hw->mac.type == ixgbe_mac_82598EB) 2076 stats->rnbc[i].ev_count = 0; 2077 } 2078 if (i < __arraycount(stats->pxontxc)) { 2079 stats->pxontxc[i].ev_count = 0; 2080 stats->pxonrxc[i].ev_count = 0; 2081 stats->pxofftxc[i].ev_count = 0; 2082 stats->pxoffrxc[i].ev_count = 0; 2083 if (hw->mac.type >= ixgbe_mac_82599EB) 2084 stats->pxon2offc[i].ev_count = 0; 2085 } 2086 } 2087 2088 txr = adapter->tx_rings; 2089 for (i = 0; i < adapter->num_queues; i++, rxr++, txr++) { 2090 adapter->queues[i].irqs.ev_count = 0; 2091 adapter->queues[i].handleq.ev_count = 0; 2092 adapter->queues[i].req.ev_count = 0; 2093 txr->no_desc_avail.ev_count = 0; 2094 txr->total_packets.ev_count = 0; 2095 txr->tso_tx.ev_count = 0; 2096 #ifndef IXGBE_LEGACY_TX 2097 txr->pcq_drops.ev_count = 0; 2098 #endif 2099 txr->q_efbig_tx_dma_setup = 0; 2100 txr->q_mbuf_defrag_failed = 0; 2101 txr->q_efbig2_tx_dma_setup = 0; 2102 txr->q_einval_tx_dma_setup = 0; 2103 txr->q_other_tx_dma_setup = 0; 2104 txr->q_eagain_tx_dma_setup = 0; 2105 txr->q_enomem_tx_dma_setup = 0; 2106 txr->q_tso_err = 0; 2107 2108 if (i < __arraycount(stats->qprc)) { 2109 stats->qprc[i].ev_count = 0; 2110 stats->qptc[i].ev_count = 0; 2111 stats->qbrc[i].ev_count = 0; 2112 stats->qbtc[i].ev_count = 0; 2113 if (hw->mac.type >= ixgbe_mac_82599EB) 2114 stats->qprdc[i].ev_count = 0; 2115 } 2116 2117 rxr->rx_packets.ev_count = 0; 2118 rxr->rx_bytes.ev_count = 0; 2119 rxr->rx_copies.ev_count = 0; 2120 rxr->no_jmbuf.ev_count = 0; 2121 rxr->rx_discarded.ev_count = 0; 2122 } 2123 stats->ipcs.ev_count = 0; 2124 stats->l4cs.ev_count = 0; 2125 stats->ipcs_bad.ev_count = 0; 2126 stats->l4cs_bad.ev_count = 0; 2127 stats->intzero.ev_count = 0; 2128 stats->legint.ev_count = 0; 2129 stats->crcerrs.ev_count = 0; 2130 stats->illerrc.ev_count = 0; 2131 stats->errbc.ev_count = 0; 2132 stats->mspdc.ev_count = 0; 2133 stats->mbsdc.ev_count = 0; 2134 stats->mpctotal.ev_count = 0; 2135 stats->mlfc.ev_count = 0; 2136 stats->mrfc.ev_count = 0; 2137 stats->rlec.ev_count = 0; 2138 stats->lxontxc.ev_count = 0; 2139 stats->lxonrxc.ev_count = 0; 2140 stats->lxofftxc.ev_count = 0; 2141 stats->lxoffrxc.ev_count = 0; 2142 2143 /* Packet Reception Stats */ 2144 stats->tor.ev_count = 0; 2145 stats->gorc.ev_count = 0; 2146 stats->tpr.ev_count = 0; 2147 stats->gprc.ev_count = 0; 2148 stats->mprc.ev_count = 0; 2149 stats->bprc.ev_count = 0; 2150 stats->prc64.ev_count = 0; 2151 stats->prc127.ev_count = 0; 2152 stats->prc255.ev_count = 0; 2153 stats->prc511.ev_count = 0; 2154 stats->prc1023.ev_count = 0; 2155 stats->prc1522.ev_count = 0; 2156 stats->ruc.ev_count = 0; 2157 stats->rfc.ev_count = 0; 2158 stats->roc.ev_count = 0; 2159 stats->rjc.ev_count = 0; 2160 stats->mngprc.ev_count = 0; 2161 stats->mngpdc.ev_count = 0; 2162 stats->xec.ev_count = 0; 2163 2164 /* Packet Transmission Stats */ 2165 stats->gotc.ev_count = 0; 2166 stats->tpt.ev_count = 0; 2167 stats->gptc.ev_count = 0; 2168 stats->bptc.ev_count = 0; 2169 stats->mptc.ev_count = 0; 2170 stats->mngptc.ev_count = 0; 2171 stats->ptc64.ev_count = 0; 2172 stats->ptc127.ev_count = 0; 2173 stats->ptc255.ev_count = 0; 2174 stats->ptc511.ev_count = 0; 2175 stats->ptc1023.ev_count = 0; 2176 stats->ptc1522.ev_count = 0; 2177 } 2178 2179 /************************************************************************ 2180 * ixgbe_sysctl_tdh_handler - Transmit Descriptor Head handler function 2181 * 2182 * Retrieves the TDH value from the hardware 2183 ************************************************************************/ 2184 static int 2185 ixgbe_sysctl_tdh_handler(SYSCTLFN_ARGS) 2186 { 2187 struct sysctlnode node = *rnode; 2188 struct tx_ring *txr = (struct tx_ring *)node.sysctl_data; 2189 struct adapter *adapter; 2190 uint32_t val; 2191 2192 if (!txr) 2193 return (0); 2194 2195 adapter = txr->adapter; 2196 if (ixgbe_fw_recovery_mode_swflag(adapter)) 2197 return (EPERM); 2198 2199 val = IXGBE_READ_REG(&adapter->hw, IXGBE_TDH(txr->me)); 2200 node.sysctl_data = &val; 2201 return sysctl_lookup(SYSCTLFN_CALL(&node)); 2202 } /* ixgbe_sysctl_tdh_handler */ 2203 2204 /************************************************************************ 2205 * ixgbe_sysctl_tdt_handler - Transmit Descriptor Tail handler function 2206 * 2207 * Retrieves the TDT value from the hardware 2208 ************************************************************************/ 2209 static int 2210 ixgbe_sysctl_tdt_handler(SYSCTLFN_ARGS) 2211 { 2212 struct sysctlnode node = *rnode; 2213 struct tx_ring *txr = (struct tx_ring *)node.sysctl_data; 2214 struct adapter *adapter; 2215 uint32_t val; 2216 2217 if (!txr) 2218 return (0); 2219 2220 adapter = txr->adapter; 2221 if (ixgbe_fw_recovery_mode_swflag(adapter)) 2222 return (EPERM); 2223 2224 val = IXGBE_READ_REG(&adapter->hw, IXGBE_TDT(txr->me)); 2225 node.sysctl_data = &val; 2226 return sysctl_lookup(SYSCTLFN_CALL(&node)); 2227 } /* ixgbe_sysctl_tdt_handler */ 2228 2229 /************************************************************************ 2230 * ixgbe_sysctl_next_to_check_handler - Receive Descriptor next to check 2231 * handler function 2232 * 2233 * Retrieves the next_to_check value 2234 ************************************************************************/ 2235 static int 2236 ixgbe_sysctl_next_to_check_handler(SYSCTLFN_ARGS) 2237 { 2238 struct sysctlnode node = *rnode; 2239 struct rx_ring *rxr = (struct rx_ring *)node.sysctl_data; 2240 struct adapter *adapter; 2241 uint32_t val; 2242 2243 if (!rxr) 2244 return (0); 2245 2246 adapter = rxr->adapter; 2247 if (ixgbe_fw_recovery_mode_swflag(adapter)) 2248 return (EPERM); 2249 2250 val = rxr->next_to_check; 2251 node.sysctl_data = &val; 2252 return sysctl_lookup(SYSCTLFN_CALL(&node)); 2253 } /* ixgbe_sysctl_next_to_check_handler */ 2254 2255 /************************************************************************ 2256 * ixgbe_sysctl_rdh_handler - Receive Descriptor Head handler function 2257 * 2258 * Retrieves the RDH value from the hardware 2259 ************************************************************************/ 2260 static int 2261 ixgbe_sysctl_rdh_handler(SYSCTLFN_ARGS) 2262 { 2263 struct sysctlnode node = *rnode; 2264 struct rx_ring *rxr = (struct rx_ring *)node.sysctl_data; 2265 struct adapter *adapter; 2266 uint32_t val; 2267 2268 if (!rxr) 2269 return (0); 2270 2271 adapter = rxr->adapter; 2272 if (ixgbe_fw_recovery_mode_swflag(adapter)) 2273 return (EPERM); 2274 2275 val = IXGBE_READ_REG(&adapter->hw, IXGBE_RDH(rxr->me)); 2276 node.sysctl_data = &val; 2277 return sysctl_lookup(SYSCTLFN_CALL(&node)); 2278 } /* ixgbe_sysctl_rdh_handler */ 2279 2280 /************************************************************************ 2281 * ixgbe_sysctl_rdt_handler - Receive Descriptor Tail handler function 2282 * 2283 * Retrieves the RDT value from the hardware 2284 ************************************************************************/ 2285 static int 2286 ixgbe_sysctl_rdt_handler(SYSCTLFN_ARGS) 2287 { 2288 struct sysctlnode node = *rnode; 2289 struct rx_ring *rxr = (struct rx_ring *)node.sysctl_data; 2290 struct adapter *adapter; 2291 uint32_t val; 2292 2293 if (!rxr) 2294 return (0); 2295 2296 adapter = rxr->adapter; 2297 if (ixgbe_fw_recovery_mode_swflag(adapter)) 2298 return (EPERM); 2299 2300 val = IXGBE_READ_REG(&adapter->hw, IXGBE_RDT(rxr->me)); 2301 node.sysctl_data = &val; 2302 return sysctl_lookup(SYSCTLFN_CALL(&node)); 2303 } /* ixgbe_sysctl_rdt_handler */ 2304 2305 static int 2306 ixgbe_vlan_cb(struct ethercom *ec, uint16_t vid, bool set) 2307 { 2308 struct ifnet *ifp = &ec->ec_if; 2309 struct adapter *adapter = ifp->if_softc; 2310 int rv; 2311 2312 if (set) 2313 rv = ixgbe_register_vlan(ifp->if_softc, ifp, vid); 2314 else 2315 rv = ixgbe_unregister_vlan(ifp->if_softc, ifp, vid); 2316 2317 if (rv != 0) 2318 return rv; 2319 2320 /* 2321 * Control VLAN HW tagging when ec_nvlan is changed from 1 to 0 2322 * or 0 to 1. 2323 */ 2324 if ((set && (ec->ec_nvlans == 1)) || (!set && (ec->ec_nvlans == 0))) 2325 ixgbe_setup_vlan_hw_tagging(adapter); 2326 2327 return rv; 2328 } 2329 2330 /************************************************************************ 2331 * ixgbe_register_vlan 2332 * 2333 * Run via vlan config EVENT, it enables us to use the 2334 * HW Filter table since we can get the vlan id. This 2335 * just creates the entry in the soft version of the 2336 * VFTA, init will repopulate the real table. 2337 ************************************************************************/ 2338 static int 2339 ixgbe_register_vlan(void *arg, struct ifnet *ifp, u16 vtag) 2340 { 2341 struct adapter *adapter = ifp->if_softc; 2342 u16 index, bit; 2343 int error; 2344 2345 if (ifp->if_softc != arg) /* Not our event */ 2346 return EINVAL; 2347 2348 if ((vtag == 0) || (vtag > 4095)) /* Invalid */ 2349 return EINVAL; 2350 2351 IXGBE_CORE_LOCK(adapter); 2352 index = (vtag >> 5) & 0x7F; 2353 bit = vtag & 0x1F; 2354 adapter->shadow_vfta[index] |= ((u32)1 << bit); 2355 error = adapter->hw.mac.ops.set_vfta(&adapter->hw, vtag, 0, true, 2356 true); 2357 IXGBE_CORE_UNLOCK(adapter); 2358 if (error != 0) 2359 error = EACCES; 2360 2361 return error; 2362 } /* ixgbe_register_vlan */ 2363 2364 /************************************************************************ 2365 * ixgbe_unregister_vlan 2366 * 2367 * Run via vlan unconfig EVENT, remove our entry in the soft vfta. 2368 ************************************************************************/ 2369 static int 2370 ixgbe_unregister_vlan(void *arg, struct ifnet *ifp, u16 vtag) 2371 { 2372 struct adapter *adapter = ifp->if_softc; 2373 u16 index, bit; 2374 int error; 2375 2376 if (ifp->if_softc != arg) 2377 return EINVAL; 2378 2379 if ((vtag == 0) || (vtag > 4095)) /* Invalid */ 2380 return EINVAL; 2381 2382 IXGBE_CORE_LOCK(adapter); 2383 index = (vtag >> 5) & 0x7F; 2384 bit = vtag & 0x1F; 2385 adapter->shadow_vfta[index] &= ~((u32)1 << bit); 2386 error = adapter->hw.mac.ops.set_vfta(&adapter->hw, vtag, 0, false, 2387 true); 2388 IXGBE_CORE_UNLOCK(adapter); 2389 if (error != 0) 2390 error = EACCES; 2391 2392 return error; 2393 } /* ixgbe_unregister_vlan */ 2394 2395 static void 2396 ixgbe_setup_vlan_hw_tagging(struct adapter *adapter) 2397 { 2398 struct ethercom *ec = &adapter->osdep.ec; 2399 struct ixgbe_hw *hw = &adapter->hw; 2400 struct rx_ring *rxr; 2401 u32 ctrl; 2402 int i; 2403 bool hwtagging; 2404 2405 /* Enable HW tagging only if any vlan is attached */ 2406 hwtagging = (ec->ec_capenable & ETHERCAP_VLAN_HWTAGGING) 2407 && VLAN_ATTACHED(ec); 2408 2409 /* Setup the queues for vlans */ 2410 for (i = 0; i < adapter->num_queues; i++) { 2411 rxr = &adapter->rx_rings[i]; 2412 /* 2413 * On 82599 and later, the VLAN enable is per/queue in RXDCTL. 2414 */ 2415 if (hw->mac.type != ixgbe_mac_82598EB) { 2416 ctrl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(rxr->me)); 2417 if (hwtagging) 2418 ctrl |= IXGBE_RXDCTL_VME; 2419 else 2420 ctrl &= ~IXGBE_RXDCTL_VME; 2421 IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(rxr->me), ctrl); 2422 } 2423 rxr->vtag_strip = hwtagging ? TRUE : FALSE; 2424 } 2425 2426 /* VLAN hw tagging for 82598 */ 2427 if (hw->mac.type == ixgbe_mac_82598EB) { 2428 ctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL); 2429 if (hwtagging) 2430 ctrl |= IXGBE_VLNCTRL_VME; 2431 else 2432 ctrl &= ~IXGBE_VLNCTRL_VME; 2433 IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, ctrl); 2434 } 2435 } /* ixgbe_setup_vlan_hw_tagging */ 2436 2437 static void 2438 ixgbe_setup_vlan_hw_support(struct adapter *adapter) 2439 { 2440 struct ethercom *ec = &adapter->osdep.ec; 2441 struct ixgbe_hw *hw = &adapter->hw; 2442 int i; 2443 u32 ctrl; 2444 struct vlanid_list *vlanidp; 2445 2446 /* 2447 * This function is called from both if_init and ifflags_cb() 2448 * on NetBSD. 2449 */ 2450 2451 /* 2452 * Part 1: 2453 * Setup VLAN HW tagging 2454 */ 2455 ixgbe_setup_vlan_hw_tagging(adapter); 2456 2457 /* 2458 * Part 2: 2459 * Setup VLAN HW filter 2460 */ 2461 /* Cleanup shadow_vfta */ 2462 for (i = 0; i < IXGBE_VFTA_SIZE; i++) 2463 adapter->shadow_vfta[i] = 0; 2464 /* Generate shadow_vfta from ec_vids */ 2465 ETHER_LOCK(ec); 2466 SIMPLEQ_FOREACH(vlanidp, &ec->ec_vids, vid_list) { 2467 uint32_t idx; 2468 2469 idx = vlanidp->vid / 32; 2470 KASSERT(idx < IXGBE_VFTA_SIZE); 2471 adapter->shadow_vfta[idx] |= (u32)1 << (vlanidp->vid % 32); 2472 } 2473 ETHER_UNLOCK(ec); 2474 for (i = 0; i < IXGBE_VFTA_SIZE; i++) 2475 IXGBE_WRITE_REG(hw, IXGBE_VFTA(i), adapter->shadow_vfta[i]); 2476 2477 ctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL); 2478 /* Enable the Filter Table if enabled */ 2479 if (ec->ec_capenable & ETHERCAP_VLAN_HWFILTER) 2480 ctrl |= IXGBE_VLNCTRL_VFE; 2481 else 2482 ctrl &= ~IXGBE_VLNCTRL_VFE; 2483 IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, ctrl); 2484 } /* ixgbe_setup_vlan_hw_support */ 2485 2486 /************************************************************************ 2487 * ixgbe_get_slot_info 2488 * 2489 * Get the width and transaction speed of 2490 * the slot this adapter is plugged into. 2491 ************************************************************************/ 2492 static void 2493 ixgbe_get_slot_info(struct adapter *adapter) 2494 { 2495 device_t dev = adapter->dev; 2496 struct ixgbe_hw *hw = &adapter->hw; 2497 u32 offset; 2498 u16 link; 2499 int bus_info_valid = TRUE; 2500 2501 /* Some devices are behind an internal bridge */ 2502 switch (hw->device_id) { 2503 case IXGBE_DEV_ID_82599_SFP_SF_QP: 2504 case IXGBE_DEV_ID_82599_QSFP_SF_QP: 2505 goto get_parent_info; 2506 default: 2507 break; 2508 } 2509 2510 ixgbe_get_bus_info(hw); 2511 2512 /* 2513 * Some devices don't use PCI-E, but there is no need 2514 * to display "Unknown" for bus speed and width. 2515 */ 2516 switch (hw->mac.type) { 2517 case ixgbe_mac_X550EM_x: 2518 case ixgbe_mac_X550EM_a: 2519 return; 2520 default: 2521 goto display; 2522 } 2523 2524 get_parent_info: 2525 /* 2526 * For the Quad port adapter we need to parse back 2527 * up the PCI tree to find the speed of the expansion 2528 * slot into which this adapter is plugged. A bit more work. 2529 */ 2530 dev = device_parent(device_parent(dev)); 2531 #if 0 2532 #ifdef IXGBE_DEBUG 2533 device_printf(dev, "parent pcib = %x,%x,%x\n", pci_get_bus(dev), 2534 pci_get_slot(dev), pci_get_function(dev)); 2535 #endif 2536 dev = device_parent(device_parent(dev)); 2537 #ifdef IXGBE_DEBUG 2538 device_printf(dev, "slot pcib = %x,%x,%x\n", pci_get_bus(dev), 2539 pci_get_slot(dev), pci_get_function(dev)); 2540 #endif 2541 #endif 2542 /* Now get the PCI Express Capabilities offset */ 2543 if (pci_get_capability(adapter->osdep.pc, adapter->osdep.tag, 2544 PCI_CAP_PCIEXPRESS, &offset, NULL)) { 2545 /* 2546 * Hmm...can't get PCI-Express capabilities. 2547 * Falling back to default method. 2548 */ 2549 bus_info_valid = FALSE; 2550 ixgbe_get_bus_info(hw); 2551 goto display; 2552 } 2553 /* ...and read the Link Status Register */ 2554 link = pci_conf_read(adapter->osdep.pc, adapter->osdep.tag, 2555 offset + PCIE_LCSR) >> 16; 2556 ixgbe_set_pci_config_data_generic(hw, link); 2557 2558 display: 2559 device_printf(dev, "PCI Express Bus: Speed %s Width %s\n", 2560 ((hw->bus.speed == ixgbe_bus_speed_8000) ? "8.0GT/s" : 2561 (hw->bus.speed == ixgbe_bus_speed_5000) ? "5.0GT/s" : 2562 (hw->bus.speed == ixgbe_bus_speed_2500) ? "2.5GT/s" : 2563 "Unknown"), 2564 ((hw->bus.width == ixgbe_bus_width_pcie_x8) ? "x8" : 2565 (hw->bus.width == ixgbe_bus_width_pcie_x4) ? "x4" : 2566 (hw->bus.width == ixgbe_bus_width_pcie_x1) ? "x1" : 2567 "Unknown")); 2568 2569 if (bus_info_valid) { 2570 if ((hw->device_id != IXGBE_DEV_ID_82599_SFP_SF_QP) && 2571 ((hw->bus.width <= ixgbe_bus_width_pcie_x4) && 2572 (hw->bus.speed == ixgbe_bus_speed_2500))) { 2573 device_printf(dev, "PCI-Express bandwidth available" 2574 " for this card\n is not sufficient for" 2575 " optimal performance.\n"); 2576 device_printf(dev, "For optimal performance a x8 " 2577 "PCIE, or x4 PCIE Gen2 slot is required.\n"); 2578 } 2579 if ((hw->device_id == IXGBE_DEV_ID_82599_SFP_SF_QP) && 2580 ((hw->bus.width <= ixgbe_bus_width_pcie_x8) && 2581 (hw->bus.speed < ixgbe_bus_speed_8000))) { 2582 device_printf(dev, "PCI-Express bandwidth available" 2583 " for this card\n is not sufficient for" 2584 " optimal performance.\n"); 2585 device_printf(dev, "For optimal performance a x8 " 2586 "PCIE Gen3 slot is required.\n"); 2587 } 2588 } else 2589 device_printf(dev, "Unable to determine slot speed/width. The speed/width reported are that of the internal switch.\n"); 2590 2591 return; 2592 } /* ixgbe_get_slot_info */ 2593 2594 /************************************************************************ 2595 * ixgbe_enable_queue - MSI-X Interrupt Handlers and Tasklets 2596 ************************************************************************/ 2597 static inline void 2598 ixgbe_enable_queue(struct adapter *adapter, u32 vector) 2599 { 2600 struct ixgbe_hw *hw = &adapter->hw; 2601 struct ix_queue *que = &adapter->queues[vector]; 2602 u64 queue = 1ULL << vector; 2603 u32 mask; 2604 2605 mutex_enter(&que->dc_mtx); 2606 if (que->disabled_count > 0 && --que->disabled_count > 0) 2607 goto out; 2608 2609 if (hw->mac.type == ixgbe_mac_82598EB) { 2610 mask = (IXGBE_EIMS_RTX_QUEUE & queue); 2611 IXGBE_WRITE_REG(hw, IXGBE_EIMS, mask); 2612 } else { 2613 mask = (queue & 0xFFFFFFFF); 2614 if (mask) 2615 IXGBE_WRITE_REG(hw, IXGBE_EIMS_EX(0), mask); 2616 mask = (queue >> 32); 2617 if (mask) 2618 IXGBE_WRITE_REG(hw, IXGBE_EIMS_EX(1), mask); 2619 } 2620 out: 2621 mutex_exit(&que->dc_mtx); 2622 } /* ixgbe_enable_queue */ 2623 2624 /************************************************************************ 2625 * ixgbe_disable_queue_internal 2626 ************************************************************************/ 2627 static inline void 2628 ixgbe_disable_queue_internal(struct adapter *adapter, u32 vector, bool nestok) 2629 { 2630 struct ixgbe_hw *hw = &adapter->hw; 2631 struct ix_queue *que = &adapter->queues[vector]; 2632 u64 queue = 1ULL << vector; 2633 u32 mask; 2634 2635 mutex_enter(&que->dc_mtx); 2636 2637 if (que->disabled_count > 0) { 2638 if (nestok) 2639 que->disabled_count++; 2640 goto out; 2641 } 2642 que->disabled_count++; 2643 2644 if (hw->mac.type == ixgbe_mac_82598EB) { 2645 mask = (IXGBE_EIMS_RTX_QUEUE & queue); 2646 IXGBE_WRITE_REG(hw, IXGBE_EIMC, mask); 2647 } else { 2648 mask = (queue & 0xFFFFFFFF); 2649 if (mask) 2650 IXGBE_WRITE_REG(hw, IXGBE_EIMC_EX(0), mask); 2651 mask = (queue >> 32); 2652 if (mask) 2653 IXGBE_WRITE_REG(hw, IXGBE_EIMC_EX(1), mask); 2654 } 2655 out: 2656 mutex_exit(&que->dc_mtx); 2657 } /* ixgbe_disable_queue_internal */ 2658 2659 /************************************************************************ 2660 * ixgbe_disable_queue 2661 ************************************************************************/ 2662 static inline void 2663 ixgbe_disable_queue(struct adapter *adapter, u32 vector) 2664 { 2665 2666 ixgbe_disable_queue_internal(adapter, vector, true); 2667 } /* ixgbe_disable_queue */ 2668 2669 /************************************************************************ 2670 * ixgbe_sched_handle_que - schedule deferred packet processing 2671 ************************************************************************/ 2672 static inline void 2673 ixgbe_sched_handle_que(struct adapter *adapter, struct ix_queue *que) 2674 { 2675 2676 if (que->txrx_use_workqueue) { 2677 /* 2678 * adapter->que_wq is bound to each CPU instead of 2679 * each NIC queue to reduce workqueue kthread. As we 2680 * should consider about interrupt affinity in this 2681 * function, the workqueue kthread must be WQ_PERCPU. 2682 * If create WQ_PERCPU workqueue kthread for each NIC 2683 * queue, that number of created workqueue kthread is 2684 * (number of used NIC queue) * (number of CPUs) = 2685 * (number of CPUs) ^ 2 most often. 2686 * 2687 * The same NIC queue's interrupts are avoided by 2688 * masking the queue's interrupt. And different 2689 * NIC queue's interrupts use different struct work 2690 * (que->wq_cookie). So, "enqueued flag" to avoid 2691 * twice workqueue_enqueue() is not required . 2692 */ 2693 workqueue_enqueue(adapter->que_wq, &que->wq_cookie, curcpu()); 2694 } else { 2695 softint_schedule(que->que_si); 2696 } 2697 } 2698 2699 /************************************************************************ 2700 * ixgbe_msix_que - MSI-X Queue Interrupt Service routine 2701 ************************************************************************/ 2702 static int 2703 ixgbe_msix_que(void *arg) 2704 { 2705 struct ix_queue *que = arg; 2706 struct adapter *adapter = que->adapter; 2707 struct ifnet *ifp = adapter->ifp; 2708 struct tx_ring *txr = que->txr; 2709 struct rx_ring *rxr = que->rxr; 2710 bool more; 2711 u32 newitr = 0; 2712 2713 /* Protect against spurious interrupts */ 2714 if ((ifp->if_flags & IFF_RUNNING) == 0) 2715 return 0; 2716 2717 ixgbe_disable_queue(adapter, que->msix); 2718 ++que->irqs.ev_count; 2719 2720 /* 2721 * Don't change "que->txrx_use_workqueue" from this point to avoid 2722 * flip-flopping softint/workqueue mode in one deferred processing. 2723 */ 2724 que->txrx_use_workqueue = adapter->txrx_use_workqueue; 2725 2726 #ifdef __NetBSD__ 2727 /* Don't run ixgbe_rxeof in interrupt context */ 2728 more = true; 2729 #else 2730 more = ixgbe_rxeof(que); 2731 #endif 2732 2733 IXGBE_TX_LOCK(txr); 2734 ixgbe_txeof(txr); 2735 IXGBE_TX_UNLOCK(txr); 2736 2737 /* Do AIM now? */ 2738 2739 if (adapter->enable_aim == false) 2740 goto no_calc; 2741 /* 2742 * Do Adaptive Interrupt Moderation: 2743 * - Write out last calculated setting 2744 * - Calculate based on average size over 2745 * the last interval. 2746 */ 2747 if (que->eitr_setting) 2748 ixgbe_eitr_write(adapter, que->msix, que->eitr_setting); 2749 2750 que->eitr_setting = 0; 2751 2752 /* Idle, do nothing */ 2753 if ((txr->bytes == 0) && (rxr->bytes == 0)) 2754 goto no_calc; 2755 2756 if ((txr->bytes) && (txr->packets)) 2757 newitr = txr->bytes/txr->packets; 2758 if ((rxr->bytes) && (rxr->packets)) 2759 newitr = uimax(newitr, (rxr->bytes / rxr->packets)); 2760 newitr += 24; /* account for hardware frame, crc */ 2761 2762 /* set an upper boundary */ 2763 newitr = uimin(newitr, 3000); 2764 2765 /* Be nice to the mid range */ 2766 if ((newitr > 300) && (newitr < 1200)) 2767 newitr = (newitr / 3); 2768 else 2769 newitr = (newitr / 2); 2770 2771 /* 2772 * When RSC is used, ITR interval must be larger than RSC_DELAY. 2773 * Currently, we use 2us for RSC_DELAY. The minimum value is always 2774 * greater than 2us on 100M (and 10M?(not documented)), but it's not 2775 * on 1G and higher. 2776 */ 2777 if ((adapter->link_speed != IXGBE_LINK_SPEED_100_FULL) 2778 && (adapter->link_speed != IXGBE_LINK_SPEED_10_FULL)) { 2779 if (newitr < IXGBE_MIN_RSC_EITR_10G1G) 2780 newitr = IXGBE_MIN_RSC_EITR_10G1G; 2781 } 2782 2783 /* save for next interrupt */ 2784 que->eitr_setting = newitr; 2785 2786 /* Reset state */ 2787 txr->bytes = 0; 2788 txr->packets = 0; 2789 rxr->bytes = 0; 2790 rxr->packets = 0; 2791 2792 no_calc: 2793 if (more) 2794 ixgbe_sched_handle_que(adapter, que); 2795 else 2796 ixgbe_enable_queue(adapter, que->msix); 2797 2798 return 1; 2799 } /* ixgbe_msix_que */ 2800 2801 /************************************************************************ 2802 * ixgbe_media_status - Media Ioctl callback 2803 * 2804 * Called whenever the user queries the status of 2805 * the interface using ifconfig. 2806 ************************************************************************/ 2807 static void 2808 ixgbe_media_status(struct ifnet *ifp, struct ifmediareq *ifmr) 2809 { 2810 struct adapter *adapter = ifp->if_softc; 2811 struct ixgbe_hw *hw = &adapter->hw; 2812 int layer; 2813 2814 INIT_DEBUGOUT("ixgbe_media_status: begin"); 2815 IXGBE_CORE_LOCK(adapter); 2816 ixgbe_update_link_status(adapter); 2817 2818 ifmr->ifm_status = IFM_AVALID; 2819 ifmr->ifm_active = IFM_ETHER; 2820 2821 if (adapter->link_active != LINK_STATE_UP) { 2822 ifmr->ifm_active |= IFM_NONE; 2823 IXGBE_CORE_UNLOCK(adapter); 2824 return; 2825 } 2826 2827 ifmr->ifm_status |= IFM_ACTIVE; 2828 layer = adapter->phy_layer; 2829 2830 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_T || 2831 layer & IXGBE_PHYSICAL_LAYER_5GBASE_T || 2832 layer & IXGBE_PHYSICAL_LAYER_2500BASE_T || 2833 layer & IXGBE_PHYSICAL_LAYER_1000BASE_T || 2834 layer & IXGBE_PHYSICAL_LAYER_100BASE_TX || 2835 layer & IXGBE_PHYSICAL_LAYER_10BASE_T) 2836 switch (adapter->link_speed) { 2837 case IXGBE_LINK_SPEED_10GB_FULL: 2838 ifmr->ifm_active |= IFM_10G_T | IFM_FDX; 2839 break; 2840 case IXGBE_LINK_SPEED_5GB_FULL: 2841 ifmr->ifm_active |= IFM_5000_T | IFM_FDX; 2842 break; 2843 case IXGBE_LINK_SPEED_2_5GB_FULL: 2844 ifmr->ifm_active |= IFM_2500_T | IFM_FDX; 2845 break; 2846 case IXGBE_LINK_SPEED_1GB_FULL: 2847 ifmr->ifm_active |= IFM_1000_T | IFM_FDX; 2848 break; 2849 case IXGBE_LINK_SPEED_100_FULL: 2850 ifmr->ifm_active |= IFM_100_TX | IFM_FDX; 2851 break; 2852 case IXGBE_LINK_SPEED_10_FULL: 2853 ifmr->ifm_active |= IFM_10_T | IFM_FDX; 2854 break; 2855 } 2856 if (layer & IXGBE_PHYSICAL_LAYER_SFP_PLUS_CU || 2857 layer & IXGBE_PHYSICAL_LAYER_SFP_ACTIVE_DA) 2858 switch (adapter->link_speed) { 2859 case IXGBE_LINK_SPEED_10GB_FULL: 2860 ifmr->ifm_active |= IFM_10G_TWINAX | IFM_FDX; 2861 break; 2862 } 2863 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_LR) 2864 switch (adapter->link_speed) { 2865 case IXGBE_LINK_SPEED_10GB_FULL: 2866 ifmr->ifm_active |= IFM_10G_LR | IFM_FDX; 2867 break; 2868 case IXGBE_LINK_SPEED_1GB_FULL: 2869 ifmr->ifm_active |= IFM_1000_LX | IFM_FDX; 2870 break; 2871 } 2872 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_LRM) 2873 switch (adapter->link_speed) { 2874 case IXGBE_LINK_SPEED_10GB_FULL: 2875 ifmr->ifm_active |= IFM_10G_LRM | IFM_FDX; 2876 break; 2877 case IXGBE_LINK_SPEED_1GB_FULL: 2878 ifmr->ifm_active |= IFM_1000_LX | IFM_FDX; 2879 break; 2880 } 2881 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_SR || 2882 layer & IXGBE_PHYSICAL_LAYER_1000BASE_SX) 2883 switch (adapter->link_speed) { 2884 case IXGBE_LINK_SPEED_10GB_FULL: 2885 ifmr->ifm_active |= IFM_10G_SR | IFM_FDX; 2886 break; 2887 case IXGBE_LINK_SPEED_1GB_FULL: 2888 ifmr->ifm_active |= IFM_1000_SX | IFM_FDX; 2889 break; 2890 } 2891 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_CX4) 2892 switch (adapter->link_speed) { 2893 case IXGBE_LINK_SPEED_10GB_FULL: 2894 ifmr->ifm_active |= IFM_10G_CX4 | IFM_FDX; 2895 break; 2896 } 2897 /* 2898 * XXX: These need to use the proper media types once 2899 * they're added. 2900 */ 2901 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KR) 2902 switch (adapter->link_speed) { 2903 case IXGBE_LINK_SPEED_10GB_FULL: 2904 ifmr->ifm_active |= IFM_10G_KR | IFM_FDX; 2905 break; 2906 case IXGBE_LINK_SPEED_2_5GB_FULL: 2907 ifmr->ifm_active |= IFM_2500_KX | IFM_FDX; 2908 break; 2909 case IXGBE_LINK_SPEED_1GB_FULL: 2910 ifmr->ifm_active |= IFM_1000_KX | IFM_FDX; 2911 break; 2912 } 2913 else if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KX4 || 2914 layer & IXGBE_PHYSICAL_LAYER_2500BASE_KX || 2915 layer & IXGBE_PHYSICAL_LAYER_1000BASE_KX) 2916 switch (adapter->link_speed) { 2917 case IXGBE_LINK_SPEED_10GB_FULL: 2918 ifmr->ifm_active |= IFM_10G_KX4 | IFM_FDX; 2919 break; 2920 case IXGBE_LINK_SPEED_2_5GB_FULL: 2921 ifmr->ifm_active |= IFM_2500_KX | IFM_FDX; 2922 break; 2923 case IXGBE_LINK_SPEED_1GB_FULL: 2924 ifmr->ifm_active |= IFM_1000_KX | IFM_FDX; 2925 break; 2926 } 2927 2928 /* If nothing is recognized... */ 2929 #if 0 2930 if (IFM_SUBTYPE(ifmr->ifm_active) == 0) 2931 ifmr->ifm_active |= IFM_UNKNOWN; 2932 #endif 2933 2934 ifp->if_baudrate = ifmedia_baudrate(ifmr->ifm_active); 2935 2936 /* Display current flow control setting used on link */ 2937 if (hw->fc.current_mode == ixgbe_fc_rx_pause || 2938 hw->fc.current_mode == ixgbe_fc_full) 2939 ifmr->ifm_active |= IFM_ETH_RXPAUSE; 2940 if (hw->fc.current_mode == ixgbe_fc_tx_pause || 2941 hw->fc.current_mode == ixgbe_fc_full) 2942 ifmr->ifm_active |= IFM_ETH_TXPAUSE; 2943 2944 IXGBE_CORE_UNLOCK(adapter); 2945 2946 return; 2947 } /* ixgbe_media_status */ 2948 2949 /************************************************************************ 2950 * ixgbe_media_change - Media Ioctl callback 2951 * 2952 * Called when the user changes speed/duplex using 2953 * media/mediopt option with ifconfig. 2954 ************************************************************************/ 2955 static int 2956 ixgbe_media_change(struct ifnet *ifp) 2957 { 2958 struct adapter *adapter = ifp->if_softc; 2959 struct ifmedia *ifm = &adapter->media; 2960 struct ixgbe_hw *hw = &adapter->hw; 2961 ixgbe_link_speed speed = 0; 2962 ixgbe_link_speed link_caps = 0; 2963 bool negotiate = false; 2964 s32 err = IXGBE_NOT_IMPLEMENTED; 2965 2966 INIT_DEBUGOUT("ixgbe_media_change: begin"); 2967 2968 if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER) 2969 return (EINVAL); 2970 2971 if (hw->phy.media_type == ixgbe_media_type_backplane) 2972 return (EPERM); 2973 2974 IXGBE_CORE_LOCK(adapter); 2975 /* 2976 * We don't actually need to check against the supported 2977 * media types of the adapter; ifmedia will take care of 2978 * that for us. 2979 */ 2980 switch (IFM_SUBTYPE(ifm->ifm_media)) { 2981 case IFM_AUTO: 2982 err = hw->mac.ops.get_link_capabilities(hw, &link_caps, 2983 &negotiate); 2984 if (err != IXGBE_SUCCESS) { 2985 device_printf(adapter->dev, "Unable to determine " 2986 "supported advertise speeds\n"); 2987 IXGBE_CORE_UNLOCK(adapter); 2988 return (ENODEV); 2989 } 2990 speed |= link_caps; 2991 break; 2992 case IFM_10G_T: 2993 case IFM_10G_LRM: 2994 case IFM_10G_LR: 2995 case IFM_10G_TWINAX: 2996 case IFM_10G_SR: 2997 case IFM_10G_CX4: 2998 case IFM_10G_KR: 2999 case IFM_10G_KX4: 3000 speed |= IXGBE_LINK_SPEED_10GB_FULL; 3001 break; 3002 case IFM_5000_T: 3003 speed |= IXGBE_LINK_SPEED_5GB_FULL; 3004 break; 3005 case IFM_2500_T: 3006 case IFM_2500_KX: 3007 speed |= IXGBE_LINK_SPEED_2_5GB_FULL; 3008 break; 3009 case IFM_1000_T: 3010 case IFM_1000_LX: 3011 case IFM_1000_SX: 3012 case IFM_1000_KX: 3013 speed |= IXGBE_LINK_SPEED_1GB_FULL; 3014 break; 3015 case IFM_100_TX: 3016 speed |= IXGBE_LINK_SPEED_100_FULL; 3017 break; 3018 case IFM_10_T: 3019 speed |= IXGBE_LINK_SPEED_10_FULL; 3020 break; 3021 case IFM_NONE: 3022 break; 3023 default: 3024 goto invalid; 3025 } 3026 3027 hw->mac.autotry_restart = TRUE; 3028 hw->mac.ops.setup_link(hw, speed, TRUE); 3029 adapter->advertise = 0; 3030 if (IFM_SUBTYPE(ifm->ifm_media) != IFM_AUTO) { 3031 if ((speed & IXGBE_LINK_SPEED_10GB_FULL) != 0) 3032 adapter->advertise |= 1 << 2; 3033 if ((speed & IXGBE_LINK_SPEED_1GB_FULL) != 0) 3034 adapter->advertise |= 1 << 1; 3035 if ((speed & IXGBE_LINK_SPEED_100_FULL) != 0) 3036 adapter->advertise |= 1 << 0; 3037 if ((speed & IXGBE_LINK_SPEED_10_FULL) != 0) 3038 adapter->advertise |= 1 << 3; 3039 if ((speed & IXGBE_LINK_SPEED_2_5GB_FULL) != 0) 3040 adapter->advertise |= 1 << 4; 3041 if ((speed & IXGBE_LINK_SPEED_5GB_FULL) != 0) 3042 adapter->advertise |= 1 << 5; 3043 } 3044 3045 IXGBE_CORE_UNLOCK(adapter); 3046 return (0); 3047 3048 invalid: 3049 device_printf(adapter->dev, "Invalid media type!\n"); 3050 IXGBE_CORE_UNLOCK(adapter); 3051 3052 return (EINVAL); 3053 } /* ixgbe_media_change */ 3054 3055 /************************************************************************ 3056 * ixgbe_set_promisc 3057 ************************************************************************/ 3058 static void 3059 ixgbe_set_promisc(struct adapter *adapter) 3060 { 3061 struct ifnet *ifp = adapter->ifp; 3062 int mcnt = 0; 3063 u32 rctl; 3064 struct ether_multi *enm; 3065 struct ether_multistep step; 3066 struct ethercom *ec = &adapter->osdep.ec; 3067 3068 KASSERT(mutex_owned(&adapter->core_mtx)); 3069 rctl = IXGBE_READ_REG(&adapter->hw, IXGBE_FCTRL); 3070 rctl &= (~IXGBE_FCTRL_UPE); 3071 ETHER_LOCK(ec); 3072 if (ec->ec_flags & ETHER_F_ALLMULTI) 3073 mcnt = MAX_NUM_MULTICAST_ADDRESSES; 3074 else { 3075 ETHER_FIRST_MULTI(step, ec, enm); 3076 while (enm != NULL) { 3077 if (mcnt == MAX_NUM_MULTICAST_ADDRESSES) 3078 break; 3079 mcnt++; 3080 ETHER_NEXT_MULTI(step, enm); 3081 } 3082 } 3083 if (mcnt < MAX_NUM_MULTICAST_ADDRESSES) 3084 rctl &= (~IXGBE_FCTRL_MPE); 3085 IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCTRL, rctl); 3086 3087 if (ifp->if_flags & IFF_PROMISC) { 3088 rctl |= (IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE); 3089 IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCTRL, rctl); 3090 } else if (ec->ec_flags & ETHER_F_ALLMULTI) { 3091 rctl |= IXGBE_FCTRL_MPE; 3092 rctl &= ~IXGBE_FCTRL_UPE; 3093 IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCTRL, rctl); 3094 } 3095 ETHER_UNLOCK(ec); 3096 } /* ixgbe_set_promisc */ 3097 3098 /************************************************************************ 3099 * ixgbe_msix_link - Link status change ISR (MSI/MSI-X) 3100 ************************************************************************/ 3101 static int 3102 ixgbe_msix_link(void *arg) 3103 { 3104 struct adapter *adapter = arg; 3105 struct ixgbe_hw *hw = &adapter->hw; 3106 u32 eicr, eicr_mask; 3107 s32 retval; 3108 3109 ++adapter->link_irq.ev_count; 3110 3111 /* Pause other interrupts */ 3112 IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_EIMC_OTHER); 3113 3114 /* First get the cause */ 3115 /* 3116 * The specifications of 82598, 82599, X540 and X550 say EICS register 3117 * is write only. However, Linux says it is a workaround for silicon 3118 * errata to read EICS instead of EICR to get interrupt cause. It seems 3119 * there is a problem about read clear mechanism for EICR register. 3120 */ 3121 eicr = IXGBE_READ_REG(hw, IXGBE_EICS); 3122 /* Be sure the queue bits are not cleared */ 3123 eicr &= ~IXGBE_EICR_RTX_QUEUE; 3124 /* Clear interrupt with write */ 3125 IXGBE_WRITE_REG(hw, IXGBE_EICR, eicr); 3126 3127 /* Link status change */ 3128 if (eicr & IXGBE_EICR_LSC) { 3129 IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_EIMC_LSC); 3130 softint_schedule(adapter->link_si); 3131 } 3132 3133 if (adapter->hw.mac.type != ixgbe_mac_82598EB) { 3134 if ((adapter->feat_en & IXGBE_FEATURE_FDIR) && 3135 (eicr & IXGBE_EICR_FLOW_DIR)) { 3136 /* This is probably overkill :) */ 3137 if (!atomic_cas_uint(&adapter->fdir_reinit, 0, 1)) 3138 return 1; 3139 /* Disable the interrupt */ 3140 IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_EIMC_FLOW_DIR); 3141 softint_schedule(adapter->fdir_si); 3142 } 3143 3144 if (eicr & IXGBE_EICR_ECC) { 3145 device_printf(adapter->dev, 3146 "CRITICAL: ECC ERROR!! Please Reboot!!\n"); 3147 IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_ECC); 3148 } 3149 3150 /* Check for over temp condition */ 3151 if (adapter->feat_en & IXGBE_FEATURE_TEMP_SENSOR) { 3152 switch (adapter->hw.mac.type) { 3153 case ixgbe_mac_X550EM_a: 3154 if (!(eicr & IXGBE_EICR_GPI_SDP0_X550EM_a)) 3155 break; 3156 IXGBE_WRITE_REG(hw, IXGBE_EIMC, 3157 IXGBE_EICR_GPI_SDP0_X550EM_a); 3158 IXGBE_WRITE_REG(hw, IXGBE_EICR, 3159 IXGBE_EICR_GPI_SDP0_X550EM_a); 3160 retval = hw->phy.ops.check_overtemp(hw); 3161 if (retval != IXGBE_ERR_OVERTEMP) 3162 break; 3163 device_printf(adapter->dev, "CRITICAL: OVER TEMP!! PHY IS SHUT DOWN!!\n"); 3164 device_printf(adapter->dev, "System shutdown required!\n"); 3165 break; 3166 default: 3167 if (!(eicr & IXGBE_EICR_TS)) 3168 break; 3169 retval = hw->phy.ops.check_overtemp(hw); 3170 if (retval != IXGBE_ERR_OVERTEMP) 3171 break; 3172 device_printf(adapter->dev, "CRITICAL: OVER TEMP!! PHY IS SHUT DOWN!!\n"); 3173 device_printf(adapter->dev, "System shutdown required!\n"); 3174 IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_TS); 3175 break; 3176 } 3177 } 3178 3179 /* Check for VF message */ 3180 if ((adapter->feat_en & IXGBE_FEATURE_SRIOV) && 3181 (eicr & IXGBE_EICR_MAILBOX)) 3182 softint_schedule(adapter->mbx_si); 3183 } 3184 3185 if (ixgbe_is_sfp(hw)) { 3186 /* Pluggable optics-related interrupt */ 3187 if (hw->mac.type >= ixgbe_mac_X540) 3188 eicr_mask = IXGBE_EICR_GPI_SDP0_X540; 3189 else 3190 eicr_mask = IXGBE_EICR_GPI_SDP2_BY_MAC(hw); 3191 3192 if (eicr & eicr_mask) { 3193 IXGBE_WRITE_REG(hw, IXGBE_EICR, eicr_mask); 3194 softint_schedule(adapter->mod_si); 3195 } 3196 3197 if ((hw->mac.type == ixgbe_mac_82599EB) && 3198 (eicr & IXGBE_EICR_GPI_SDP1_BY_MAC(hw))) { 3199 IXGBE_WRITE_REG(hw, IXGBE_EICR, 3200 IXGBE_EICR_GPI_SDP1_BY_MAC(hw)); 3201 softint_schedule(adapter->msf_si); 3202 } 3203 } 3204 3205 /* Check for fan failure */ 3206 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) { 3207 ixgbe_check_fan_failure(adapter, eicr, TRUE); 3208 IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_GPI_SDP1_BY_MAC(hw)); 3209 } 3210 3211 /* External PHY interrupt */ 3212 if ((hw->phy.type == ixgbe_phy_x550em_ext_t) && 3213 (eicr & IXGBE_EICR_GPI_SDP0_X540)) { 3214 IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_GPI_SDP0_X540); 3215 softint_schedule(adapter->phy_si); 3216 } 3217 3218 /* Re-enable other interrupts */ 3219 IXGBE_WRITE_REG(hw, IXGBE_EIMS, IXGBE_EIMS_OTHER); 3220 return 1; 3221 } /* ixgbe_msix_link */ 3222 3223 static void 3224 ixgbe_eitr_write(struct adapter *adapter, uint32_t index, uint32_t itr) 3225 { 3226 3227 if (adapter->hw.mac.type == ixgbe_mac_82598EB) 3228 itr |= itr << 16; 3229 else 3230 itr |= IXGBE_EITR_CNT_WDIS; 3231 3232 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EITR(index), itr); 3233 } 3234 3235 3236 /************************************************************************ 3237 * ixgbe_sysctl_interrupt_rate_handler 3238 ************************************************************************/ 3239 static int 3240 ixgbe_sysctl_interrupt_rate_handler(SYSCTLFN_ARGS) 3241 { 3242 struct sysctlnode node = *rnode; 3243 struct ix_queue *que = (struct ix_queue *)node.sysctl_data; 3244 struct adapter *adapter; 3245 uint32_t reg, usec, rate; 3246 int error; 3247 3248 if (que == NULL) 3249 return 0; 3250 3251 adapter = que->adapter; 3252 if (ixgbe_fw_recovery_mode_swflag(adapter)) 3253 return (EPERM); 3254 3255 reg = IXGBE_READ_REG(&adapter->hw, IXGBE_EITR(que->msix)); 3256 usec = ((reg & 0x0FF8) >> 3); 3257 if (usec > 0) 3258 rate = 500000 / usec; 3259 else 3260 rate = 0; 3261 node.sysctl_data = &rate; 3262 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 3263 if (error || newp == NULL) 3264 return error; 3265 reg &= ~0xfff; /* default, no limitation */ 3266 if (rate > 0 && rate < 500000) { 3267 if (rate < 1000) 3268 rate = 1000; 3269 reg |= ((4000000/rate) & 0xff8); 3270 /* 3271 * When RSC is used, ITR interval must be larger than 3272 * RSC_DELAY. Currently, we use 2us for RSC_DELAY. 3273 * The minimum value is always greater than 2us on 100M 3274 * (and 10M?(not documented)), but it's not on 1G and higher. 3275 */ 3276 if ((adapter->link_speed != IXGBE_LINK_SPEED_100_FULL) 3277 && (adapter->link_speed != IXGBE_LINK_SPEED_10_FULL)) { 3278 if ((adapter->num_queues > 1) 3279 && (reg < IXGBE_MIN_RSC_EITR_10G1G)) 3280 return EINVAL; 3281 } 3282 ixgbe_max_interrupt_rate = rate; 3283 } else 3284 ixgbe_max_interrupt_rate = 0; 3285 ixgbe_eitr_write(adapter, que->msix, reg); 3286 3287 return (0); 3288 } /* ixgbe_sysctl_interrupt_rate_handler */ 3289 3290 const struct sysctlnode * 3291 ixgbe_sysctl_instance(struct adapter *adapter) 3292 { 3293 const char *dvname; 3294 struct sysctllog **log; 3295 int rc; 3296 const struct sysctlnode *rnode; 3297 3298 if (adapter->sysctltop != NULL) 3299 return adapter->sysctltop; 3300 3301 log = &adapter->sysctllog; 3302 dvname = device_xname(adapter->dev); 3303 3304 if ((rc = sysctl_createv(log, 0, NULL, &rnode, 3305 0, CTLTYPE_NODE, dvname, 3306 SYSCTL_DESCR("ixgbe information and settings"), 3307 NULL, 0, NULL, 0, CTL_HW, CTL_CREATE, CTL_EOL)) != 0) 3308 goto err; 3309 3310 return rnode; 3311 err: 3312 printf("%s: sysctl_createv failed, rc = %d\n", __func__, rc); 3313 return NULL; 3314 } 3315 3316 /************************************************************************ 3317 * ixgbe_add_device_sysctls 3318 ************************************************************************/ 3319 static void 3320 ixgbe_add_device_sysctls(struct adapter *adapter) 3321 { 3322 device_t dev = adapter->dev; 3323 struct ixgbe_hw *hw = &adapter->hw; 3324 struct sysctllog **log; 3325 const struct sysctlnode *rnode, *cnode; 3326 3327 log = &adapter->sysctllog; 3328 3329 if ((rnode = ixgbe_sysctl_instance(adapter)) == NULL) { 3330 aprint_error_dev(dev, "could not create sysctl root\n"); 3331 return; 3332 } 3333 3334 if (sysctl_createv(log, 0, &rnode, &cnode, 3335 CTLFLAG_READWRITE, CTLTYPE_INT, 3336 "debug", SYSCTL_DESCR("Debug Info"), 3337 ixgbe_sysctl_debug, 0, (void *)adapter, 0, CTL_CREATE, CTL_EOL) != 0) 3338 aprint_error_dev(dev, "could not create sysctl\n"); 3339 3340 if (sysctl_createv(log, 0, &rnode, &cnode, 3341 CTLFLAG_READONLY, CTLTYPE_INT, 3342 "num_rx_desc", SYSCTL_DESCR("Number of rx descriptors"), 3343 NULL, 0, &adapter->num_rx_desc, 0, CTL_CREATE, CTL_EOL) != 0) 3344 aprint_error_dev(dev, "could not create sysctl\n"); 3345 3346 if (sysctl_createv(log, 0, &rnode, &cnode, 3347 CTLFLAG_READONLY, CTLTYPE_INT, 3348 "num_queues", SYSCTL_DESCR("Number of queues"), 3349 NULL, 0, &adapter->num_queues, 0, CTL_CREATE, CTL_EOL) != 0) 3350 aprint_error_dev(dev, "could not create sysctl\n"); 3351 3352 /* Sysctls for all devices */ 3353 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3354 CTLTYPE_INT, "fc", SYSCTL_DESCR(IXGBE_SYSCTL_DESC_SET_FC), 3355 ixgbe_sysctl_flowcntl, 0, (void *)adapter, 0, CTL_CREATE, 3356 CTL_EOL) != 0) 3357 aprint_error_dev(dev, "could not create sysctl\n"); 3358 3359 adapter->enable_aim = ixgbe_enable_aim; 3360 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3361 CTLTYPE_BOOL, "enable_aim", SYSCTL_DESCR("Interrupt Moderation"), 3362 NULL, 0, &adapter->enable_aim, 0, CTL_CREATE, CTL_EOL) != 0) 3363 aprint_error_dev(dev, "could not create sysctl\n"); 3364 3365 if (sysctl_createv(log, 0, &rnode, &cnode, 3366 CTLFLAG_READWRITE, CTLTYPE_INT, 3367 "advertise_speed", SYSCTL_DESCR(IXGBE_SYSCTL_DESC_ADV_SPEED), 3368 ixgbe_sysctl_advertise, 0, (void *)adapter, 0, CTL_CREATE, 3369 CTL_EOL) != 0) 3370 aprint_error_dev(dev, "could not create sysctl\n"); 3371 3372 /* 3373 * If each "que->txrx_use_workqueue" is changed in sysctl handler, 3374 * it causesflip-flopping softint/workqueue mode in one deferred 3375 * processing. Therefore, preempt_disable()/preempt_enable() are 3376 * required in ixgbe_sched_handle_que() to avoid 3377 * KASSERT(ixgbe_sched_handle_que()) in softint_schedule(). 3378 * I think changing "que->txrx_use_workqueue" in interrupt handler 3379 * is lighter than doing preempt_disable()/preempt_enable() in every 3380 * ixgbe_sched_handle_que(). 3381 */ 3382 adapter->txrx_use_workqueue = ixgbe_txrx_workqueue; 3383 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3384 CTLTYPE_BOOL, "txrx_workqueue", SYSCTL_DESCR("Use workqueue for packet processing"), 3385 NULL, 0, &adapter->txrx_use_workqueue, 0, CTL_CREATE, CTL_EOL) != 0) 3386 aprint_error_dev(dev, "could not create sysctl\n"); 3387 3388 #ifdef IXGBE_DEBUG 3389 /* testing sysctls (for all devices) */ 3390 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3391 CTLTYPE_INT, "power_state", SYSCTL_DESCR("PCI Power State"), 3392 ixgbe_sysctl_power_state, 0, (void *)adapter, 0, CTL_CREATE, 3393 CTL_EOL) != 0) 3394 aprint_error_dev(dev, "could not create sysctl\n"); 3395 3396 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READONLY, 3397 CTLTYPE_STRING, "print_rss_config", 3398 SYSCTL_DESCR("Prints RSS Configuration"), 3399 ixgbe_sysctl_print_rss_config, 0, (void *)adapter, 0, CTL_CREATE, 3400 CTL_EOL) != 0) 3401 aprint_error_dev(dev, "could not create sysctl\n"); 3402 #endif 3403 /* for X550 series devices */ 3404 if (hw->mac.type >= ixgbe_mac_X550) 3405 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3406 CTLTYPE_INT, "dmac", SYSCTL_DESCR("DMA Coalesce"), 3407 ixgbe_sysctl_dmac, 0, (void *)adapter, 0, CTL_CREATE, 3408 CTL_EOL) != 0) 3409 aprint_error_dev(dev, "could not create sysctl\n"); 3410 3411 /* for WoL-capable devices */ 3412 if (adapter->wol_support) { 3413 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3414 CTLTYPE_BOOL, "wol_enable", 3415 SYSCTL_DESCR("Enable/Disable Wake on LAN"), 3416 ixgbe_sysctl_wol_enable, 0, (void *)adapter, 0, CTL_CREATE, 3417 CTL_EOL) != 0) 3418 aprint_error_dev(dev, "could not create sysctl\n"); 3419 3420 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3421 CTLTYPE_INT, "wufc", 3422 SYSCTL_DESCR("Enable/Disable Wake Up Filters"), 3423 ixgbe_sysctl_wufc, 0, (void *)adapter, 0, CTL_CREATE, 3424 CTL_EOL) != 0) 3425 aprint_error_dev(dev, "could not create sysctl\n"); 3426 } 3427 3428 /* for X552/X557-AT devices */ 3429 if (hw->device_id == IXGBE_DEV_ID_X550EM_X_10G_T) { 3430 const struct sysctlnode *phy_node; 3431 3432 if (sysctl_createv(log, 0, &rnode, &phy_node, 0, CTLTYPE_NODE, 3433 "phy", SYSCTL_DESCR("External PHY sysctls"), 3434 NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL) != 0) { 3435 aprint_error_dev(dev, "could not create sysctl\n"); 3436 return; 3437 } 3438 3439 if (sysctl_createv(log, 0, &phy_node, &cnode, CTLFLAG_READONLY, 3440 CTLTYPE_INT, "temp", 3441 SYSCTL_DESCR("Current External PHY Temperature (Celsius)"), 3442 ixgbe_sysctl_phy_temp, 0, (void *)adapter, 0, CTL_CREATE, 3443 CTL_EOL) != 0) 3444 aprint_error_dev(dev, "could not create sysctl\n"); 3445 3446 if (sysctl_createv(log, 0, &phy_node, &cnode, CTLFLAG_READONLY, 3447 CTLTYPE_INT, "overtemp_occurred", 3448 SYSCTL_DESCR("External PHY High Temperature Event Occurred"), 3449 ixgbe_sysctl_phy_overtemp_occurred, 0, (void *)adapter, 0, 3450 CTL_CREATE, CTL_EOL) != 0) 3451 aprint_error_dev(dev, "could not create sysctl\n"); 3452 } 3453 3454 if ((hw->mac.type == ixgbe_mac_X550EM_a) 3455 && (hw->phy.type == ixgbe_phy_fw)) 3456 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3457 CTLTYPE_BOOL, "force_10_100_autonego", 3458 SYSCTL_DESCR("Force autonego on 10M and 100M"), 3459 NULL, 0, &hw->phy.force_10_100_autonego, 0, 3460 CTL_CREATE, CTL_EOL) != 0) 3461 aprint_error_dev(dev, "could not create sysctl\n"); 3462 3463 if (adapter->feat_cap & IXGBE_FEATURE_EEE) { 3464 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3465 CTLTYPE_INT, "eee_state", 3466 SYSCTL_DESCR("EEE Power Save State"), 3467 ixgbe_sysctl_eee_state, 0, (void *)adapter, 0, CTL_CREATE, 3468 CTL_EOL) != 0) 3469 aprint_error_dev(dev, "could not create sysctl\n"); 3470 } 3471 } /* ixgbe_add_device_sysctls */ 3472 3473 /************************************************************************ 3474 * ixgbe_allocate_pci_resources 3475 ************************************************************************/ 3476 static int 3477 ixgbe_allocate_pci_resources(struct adapter *adapter, 3478 const struct pci_attach_args *pa) 3479 { 3480 pcireg_t memtype, csr; 3481 device_t dev = adapter->dev; 3482 bus_addr_t addr; 3483 int flags; 3484 3485 memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, PCI_BAR(0)); 3486 switch (memtype) { 3487 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT: 3488 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT: 3489 adapter->osdep.mem_bus_space_tag = pa->pa_memt; 3490 if (pci_mapreg_info(pa->pa_pc, pa->pa_tag, PCI_BAR(0), 3491 memtype, &addr, &adapter->osdep.mem_size, &flags) != 0) 3492 goto map_err; 3493 if ((flags & BUS_SPACE_MAP_PREFETCHABLE) != 0) { 3494 aprint_normal_dev(dev, "clearing prefetchable bit\n"); 3495 flags &= ~BUS_SPACE_MAP_PREFETCHABLE; 3496 } 3497 if (bus_space_map(adapter->osdep.mem_bus_space_tag, addr, 3498 adapter->osdep.mem_size, flags, 3499 &adapter->osdep.mem_bus_space_handle) != 0) { 3500 map_err: 3501 adapter->osdep.mem_size = 0; 3502 aprint_error_dev(dev, "unable to map BAR0\n"); 3503 return ENXIO; 3504 } 3505 /* 3506 * Enable address decoding for memory range in case BIOS or 3507 * UEFI don't set it. 3508 */ 3509 csr = pci_conf_read(pa->pa_pc, pa->pa_tag, 3510 PCI_COMMAND_STATUS_REG); 3511 csr |= PCI_COMMAND_MEM_ENABLE; 3512 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 3513 csr); 3514 break; 3515 default: 3516 aprint_error_dev(dev, "unexpected type on BAR0\n"); 3517 return ENXIO; 3518 } 3519 3520 return (0); 3521 } /* ixgbe_allocate_pci_resources */ 3522 3523 static void 3524 ixgbe_free_softint(struct adapter *adapter) 3525 { 3526 struct ix_queue *que = adapter->queues; 3527 struct tx_ring *txr = adapter->tx_rings; 3528 int i; 3529 3530 for (i = 0; i < adapter->num_queues; i++, que++, txr++) { 3531 if (!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX)) { 3532 if (txr->txr_si != NULL) 3533 softint_disestablish(txr->txr_si); 3534 } 3535 if (que->que_si != NULL) 3536 softint_disestablish(que->que_si); 3537 } 3538 if (adapter->txr_wq != NULL) 3539 workqueue_destroy(adapter->txr_wq); 3540 if (adapter->txr_wq_enqueued != NULL) 3541 percpu_free(adapter->txr_wq_enqueued, sizeof(u_int)); 3542 if (adapter->que_wq != NULL) 3543 workqueue_destroy(adapter->que_wq); 3544 3545 /* Drain the Link queue */ 3546 if (adapter->link_si != NULL) { 3547 softint_disestablish(adapter->link_si); 3548 adapter->link_si = NULL; 3549 } 3550 if (adapter->mod_si != NULL) { 3551 softint_disestablish(adapter->mod_si); 3552 adapter->mod_si = NULL; 3553 } 3554 if (adapter->msf_si != NULL) { 3555 softint_disestablish(adapter->msf_si); 3556 adapter->msf_si = NULL; 3557 } 3558 if (adapter->phy_si != NULL) { 3559 softint_disestablish(adapter->phy_si); 3560 adapter->phy_si = NULL; 3561 } 3562 if (adapter->feat_en & IXGBE_FEATURE_FDIR) { 3563 if (adapter->fdir_si != NULL) { 3564 softint_disestablish(adapter->fdir_si); 3565 adapter->fdir_si = NULL; 3566 } 3567 } 3568 if (adapter->feat_cap & IXGBE_FEATURE_SRIOV) { 3569 if (adapter->mbx_si != NULL) { 3570 softint_disestablish(adapter->mbx_si); 3571 adapter->mbx_si = NULL; 3572 } 3573 } 3574 } /* ixgbe_free_softint */ 3575 3576 /************************************************************************ 3577 * ixgbe_detach - Device removal routine 3578 * 3579 * Called when the driver is being removed. 3580 * Stops the adapter and deallocates all the resources 3581 * that were allocated for driver operation. 3582 * 3583 * return 0 on success, positive on failure 3584 ************************************************************************/ 3585 static int 3586 ixgbe_detach(device_t dev, int flags) 3587 { 3588 struct adapter *adapter = device_private(dev); 3589 struct rx_ring *rxr = adapter->rx_rings; 3590 struct tx_ring *txr = adapter->tx_rings; 3591 struct ixgbe_hw *hw = &adapter->hw; 3592 struct ixgbe_hw_stats *stats = &adapter->stats.pf; 3593 u32 ctrl_ext; 3594 int i; 3595 3596 INIT_DEBUGOUT("ixgbe_detach: begin"); 3597 if (adapter->osdep.attached == false) 3598 return 0; 3599 3600 if (ixgbe_pci_iov_detach(dev) != 0) { 3601 device_printf(dev, "SR-IOV in use; detach first.\n"); 3602 return (EBUSY); 3603 } 3604 3605 /* 3606 * Stop the interface. ixgbe_setup_low_power_mode() calls ixgbe_stop(), 3607 * so it's not required to call ixgbe_stop() directly. 3608 */ 3609 IXGBE_CORE_LOCK(adapter); 3610 ixgbe_setup_low_power_mode(adapter); 3611 IXGBE_CORE_UNLOCK(adapter); 3612 #if NVLAN > 0 3613 /* Make sure VLANs are not using driver */ 3614 if (!VLAN_ATTACHED(&adapter->osdep.ec)) 3615 ; /* nothing to do: no VLANs */ 3616 else if ((flags & (DETACH_SHUTDOWN | DETACH_FORCE)) != 0) 3617 vlan_ifdetach(adapter->ifp); 3618 else { 3619 aprint_error_dev(dev, "VLANs in use, detach first\n"); 3620 return (EBUSY); 3621 } 3622 #endif 3623 3624 pmf_device_deregister(dev); 3625 3626 ether_ifdetach(adapter->ifp); 3627 3628 ixgbe_free_softint(adapter); 3629 3630 /* let hardware know driver is unloading */ 3631 ctrl_ext = IXGBE_READ_REG(&adapter->hw, IXGBE_CTRL_EXT); 3632 ctrl_ext &= ~IXGBE_CTRL_EXT_DRV_LOAD; 3633 IXGBE_WRITE_REG(&adapter->hw, IXGBE_CTRL_EXT, ctrl_ext); 3634 3635 callout_halt(&adapter->timer, NULL); 3636 if (adapter->feat_en & IXGBE_FEATURE_RECOVERY_MODE) 3637 callout_halt(&adapter->recovery_mode_timer, NULL); 3638 3639 if (adapter->feat_en & IXGBE_FEATURE_NETMAP) 3640 netmap_detach(adapter->ifp); 3641 3642 ixgbe_free_pci_resources(adapter); 3643 #if 0 /* XXX the NetBSD port is probably missing something here */ 3644 bus_generic_detach(dev); 3645 #endif 3646 if_detach(adapter->ifp); 3647 if_percpuq_destroy(adapter->ipq); 3648 3649 sysctl_teardown(&adapter->sysctllog); 3650 evcnt_detach(&adapter->efbig_tx_dma_setup); 3651 evcnt_detach(&adapter->mbuf_defrag_failed); 3652 evcnt_detach(&adapter->efbig2_tx_dma_setup); 3653 evcnt_detach(&adapter->einval_tx_dma_setup); 3654 evcnt_detach(&adapter->other_tx_dma_setup); 3655 evcnt_detach(&adapter->eagain_tx_dma_setup); 3656 evcnt_detach(&adapter->enomem_tx_dma_setup); 3657 evcnt_detach(&adapter->watchdog_events); 3658 evcnt_detach(&adapter->tso_err); 3659 evcnt_detach(&adapter->link_irq); 3660 evcnt_detach(&adapter->link_sicount); 3661 evcnt_detach(&adapter->mod_sicount); 3662 evcnt_detach(&adapter->msf_sicount); 3663 evcnt_detach(&adapter->phy_sicount); 3664 3665 for (i = 0; i < IXGBE_TC_COUNTER_NUM; i++) { 3666 if (i < __arraycount(stats->mpc)) { 3667 evcnt_detach(&stats->mpc[i]); 3668 if (hw->mac.type == ixgbe_mac_82598EB) 3669 evcnt_detach(&stats->rnbc[i]); 3670 } 3671 if (i < __arraycount(stats->pxontxc)) { 3672 evcnt_detach(&stats->pxontxc[i]); 3673 evcnt_detach(&stats->pxonrxc[i]); 3674 evcnt_detach(&stats->pxofftxc[i]); 3675 evcnt_detach(&stats->pxoffrxc[i]); 3676 if (hw->mac.type >= ixgbe_mac_82599EB) 3677 evcnt_detach(&stats->pxon2offc[i]); 3678 } 3679 } 3680 3681 txr = adapter->tx_rings; 3682 for (i = 0; i < adapter->num_queues; i++, rxr++, txr++) { 3683 evcnt_detach(&adapter->queues[i].irqs); 3684 evcnt_detach(&adapter->queues[i].handleq); 3685 evcnt_detach(&adapter->queues[i].req); 3686 evcnt_detach(&txr->no_desc_avail); 3687 evcnt_detach(&txr->total_packets); 3688 evcnt_detach(&txr->tso_tx); 3689 #ifndef IXGBE_LEGACY_TX 3690 evcnt_detach(&txr->pcq_drops); 3691 #endif 3692 3693 if (i < __arraycount(stats->qprc)) { 3694 evcnt_detach(&stats->qprc[i]); 3695 evcnt_detach(&stats->qptc[i]); 3696 evcnt_detach(&stats->qbrc[i]); 3697 evcnt_detach(&stats->qbtc[i]); 3698 if (hw->mac.type >= ixgbe_mac_82599EB) 3699 evcnt_detach(&stats->qprdc[i]); 3700 } 3701 3702 evcnt_detach(&rxr->rx_packets); 3703 evcnt_detach(&rxr->rx_bytes); 3704 evcnt_detach(&rxr->rx_copies); 3705 evcnt_detach(&rxr->no_jmbuf); 3706 evcnt_detach(&rxr->rx_discarded); 3707 } 3708 evcnt_detach(&stats->ipcs); 3709 evcnt_detach(&stats->l4cs); 3710 evcnt_detach(&stats->ipcs_bad); 3711 evcnt_detach(&stats->l4cs_bad); 3712 evcnt_detach(&stats->intzero); 3713 evcnt_detach(&stats->legint); 3714 evcnt_detach(&stats->crcerrs); 3715 evcnt_detach(&stats->illerrc); 3716 evcnt_detach(&stats->errbc); 3717 evcnt_detach(&stats->mspdc); 3718 if (hw->mac.type >= ixgbe_mac_X550) 3719 evcnt_detach(&stats->mbsdc); 3720 evcnt_detach(&stats->mpctotal); 3721 evcnt_detach(&stats->mlfc); 3722 evcnt_detach(&stats->mrfc); 3723 evcnt_detach(&stats->rlec); 3724 evcnt_detach(&stats->lxontxc); 3725 evcnt_detach(&stats->lxonrxc); 3726 evcnt_detach(&stats->lxofftxc); 3727 evcnt_detach(&stats->lxoffrxc); 3728 3729 /* Packet Reception Stats */ 3730 evcnt_detach(&stats->tor); 3731 evcnt_detach(&stats->gorc); 3732 evcnt_detach(&stats->tpr); 3733 evcnt_detach(&stats->gprc); 3734 evcnt_detach(&stats->mprc); 3735 evcnt_detach(&stats->bprc); 3736 evcnt_detach(&stats->prc64); 3737 evcnt_detach(&stats->prc127); 3738 evcnt_detach(&stats->prc255); 3739 evcnt_detach(&stats->prc511); 3740 evcnt_detach(&stats->prc1023); 3741 evcnt_detach(&stats->prc1522); 3742 evcnt_detach(&stats->ruc); 3743 evcnt_detach(&stats->rfc); 3744 evcnt_detach(&stats->roc); 3745 evcnt_detach(&stats->rjc); 3746 evcnt_detach(&stats->mngprc); 3747 evcnt_detach(&stats->mngpdc); 3748 evcnt_detach(&stats->xec); 3749 3750 /* Packet Transmission Stats */ 3751 evcnt_detach(&stats->gotc); 3752 evcnt_detach(&stats->tpt); 3753 evcnt_detach(&stats->gptc); 3754 evcnt_detach(&stats->bptc); 3755 evcnt_detach(&stats->mptc); 3756 evcnt_detach(&stats->mngptc); 3757 evcnt_detach(&stats->ptc64); 3758 evcnt_detach(&stats->ptc127); 3759 evcnt_detach(&stats->ptc255); 3760 evcnt_detach(&stats->ptc511); 3761 evcnt_detach(&stats->ptc1023); 3762 evcnt_detach(&stats->ptc1522); 3763 3764 ixgbe_free_transmit_structures(adapter); 3765 ixgbe_free_receive_structures(adapter); 3766 for (i = 0; i < adapter->num_queues; i++) { 3767 struct ix_queue * que = &adapter->queues[i]; 3768 mutex_destroy(&que->dc_mtx); 3769 } 3770 free(adapter->queues, M_DEVBUF); 3771 free(adapter->mta, M_DEVBUF); 3772 3773 IXGBE_CORE_LOCK_DESTROY(adapter); 3774 3775 return (0); 3776 } /* ixgbe_detach */ 3777 3778 /************************************************************************ 3779 * ixgbe_setup_low_power_mode - LPLU/WoL preparation 3780 * 3781 * Prepare the adapter/port for LPLU and/or WoL 3782 ************************************************************************/ 3783 static int 3784 ixgbe_setup_low_power_mode(struct adapter *adapter) 3785 { 3786 struct ixgbe_hw *hw = &adapter->hw; 3787 device_t dev = adapter->dev; 3788 s32 error = 0; 3789 3790 KASSERT(mutex_owned(&adapter->core_mtx)); 3791 3792 /* Limit power management flow to X550EM baseT */ 3793 if (hw->device_id == IXGBE_DEV_ID_X550EM_X_10G_T && 3794 hw->phy.ops.enter_lplu) { 3795 /* X550EM baseT adapters need a special LPLU flow */ 3796 hw->phy.reset_disable = true; 3797 ixgbe_stop(adapter); 3798 error = hw->phy.ops.enter_lplu(hw); 3799 if (error) 3800 device_printf(dev, 3801 "Error entering LPLU: %d\n", error); 3802 hw->phy.reset_disable = false; 3803 } else { 3804 /* Just stop for other adapters */ 3805 ixgbe_stop(adapter); 3806 } 3807 3808 if (!hw->wol_enabled) { 3809 ixgbe_set_phy_power(hw, FALSE); 3810 IXGBE_WRITE_REG(hw, IXGBE_WUFC, 0); 3811 IXGBE_WRITE_REG(hw, IXGBE_WUC, 0); 3812 } else { 3813 /* Turn off support for APM wakeup. (Using ACPI instead) */ 3814 IXGBE_WRITE_REG(hw, IXGBE_GRC_BY_MAC(hw), 3815 IXGBE_READ_REG(hw, IXGBE_GRC_BY_MAC(hw)) & ~(u32)2); 3816 3817 /* 3818 * Clear Wake Up Status register to prevent any previous wakeup 3819 * events from waking us up immediately after we suspend. 3820 */ 3821 IXGBE_WRITE_REG(hw, IXGBE_WUS, 0xffffffff); 3822 3823 /* 3824 * Program the Wakeup Filter Control register with user filter 3825 * settings 3826 */ 3827 IXGBE_WRITE_REG(hw, IXGBE_WUFC, adapter->wufc); 3828 3829 /* Enable wakeups and power management in Wakeup Control */ 3830 IXGBE_WRITE_REG(hw, IXGBE_WUC, 3831 IXGBE_WUC_WKEN | IXGBE_WUC_PME_EN); 3832 3833 } 3834 3835 return error; 3836 } /* ixgbe_setup_low_power_mode */ 3837 3838 /************************************************************************ 3839 * ixgbe_shutdown - Shutdown entry point 3840 ************************************************************************/ 3841 #if 0 /* XXX NetBSD ought to register something like this through pmf(9) */ 3842 static int 3843 ixgbe_shutdown(device_t dev) 3844 { 3845 struct adapter *adapter = device_private(dev); 3846 int error = 0; 3847 3848 INIT_DEBUGOUT("ixgbe_shutdown: begin"); 3849 3850 IXGBE_CORE_LOCK(adapter); 3851 error = ixgbe_setup_low_power_mode(adapter); 3852 IXGBE_CORE_UNLOCK(adapter); 3853 3854 return (error); 3855 } /* ixgbe_shutdown */ 3856 #endif 3857 3858 /************************************************************************ 3859 * ixgbe_suspend 3860 * 3861 * From D0 to D3 3862 ************************************************************************/ 3863 static bool 3864 ixgbe_suspend(device_t dev, const pmf_qual_t *qual) 3865 { 3866 struct adapter *adapter = device_private(dev); 3867 int error = 0; 3868 3869 INIT_DEBUGOUT("ixgbe_suspend: begin"); 3870 3871 IXGBE_CORE_LOCK(adapter); 3872 3873 error = ixgbe_setup_low_power_mode(adapter); 3874 3875 IXGBE_CORE_UNLOCK(adapter); 3876 3877 return (error); 3878 } /* ixgbe_suspend */ 3879 3880 /************************************************************************ 3881 * ixgbe_resume 3882 * 3883 * From D3 to D0 3884 ************************************************************************/ 3885 static bool 3886 ixgbe_resume(device_t dev, const pmf_qual_t *qual) 3887 { 3888 struct adapter *adapter = device_private(dev); 3889 struct ifnet *ifp = adapter->ifp; 3890 struct ixgbe_hw *hw = &adapter->hw; 3891 u32 wus; 3892 3893 INIT_DEBUGOUT("ixgbe_resume: begin"); 3894 3895 IXGBE_CORE_LOCK(adapter); 3896 3897 /* Read & clear WUS register */ 3898 wus = IXGBE_READ_REG(hw, IXGBE_WUS); 3899 if (wus) 3900 device_printf(dev, "Woken up by (WUS): %#010x\n", 3901 IXGBE_READ_REG(hw, IXGBE_WUS)); 3902 IXGBE_WRITE_REG(hw, IXGBE_WUS, 0xffffffff); 3903 /* And clear WUFC until next low-power transition */ 3904 IXGBE_WRITE_REG(hw, IXGBE_WUFC, 0); 3905 3906 /* 3907 * Required after D3->D0 transition; 3908 * will re-advertise all previous advertised speeds 3909 */ 3910 if (ifp->if_flags & IFF_UP) 3911 ixgbe_init_locked(adapter); 3912 3913 IXGBE_CORE_UNLOCK(adapter); 3914 3915 return true; 3916 } /* ixgbe_resume */ 3917 3918 /* 3919 * Set the various hardware offload abilities. 3920 * 3921 * This takes the ifnet's if_capenable flags (e.g. set by the user using 3922 * ifconfig) and indicates to the OS via the ifnet's if_hwassist field what 3923 * mbuf offload flags the driver will understand. 3924 */ 3925 static void 3926 ixgbe_set_if_hwassist(struct adapter *adapter) 3927 { 3928 /* XXX */ 3929 } 3930 3931 /************************************************************************ 3932 * ixgbe_init_locked - Init entry point 3933 * 3934 * Used in two ways: It is used by the stack as an init 3935 * entry point in network interface structure. It is also 3936 * used by the driver as a hw/sw initialization routine to 3937 * get to a consistent state. 3938 * 3939 * return 0 on success, positive on failure 3940 ************************************************************************/ 3941 static void 3942 ixgbe_init_locked(struct adapter *adapter) 3943 { 3944 struct ifnet *ifp = adapter->ifp; 3945 device_t dev = adapter->dev; 3946 struct ixgbe_hw *hw = &adapter->hw; 3947 struct ix_queue *que; 3948 struct tx_ring *txr; 3949 struct rx_ring *rxr; 3950 u32 txdctl, mhadd; 3951 u32 rxdctl, rxctrl; 3952 u32 ctrl_ext; 3953 int i, j, err; 3954 3955 /* XXX check IFF_UP and IFF_RUNNING, power-saving state! */ 3956 3957 KASSERT(mutex_owned(&adapter->core_mtx)); 3958 INIT_DEBUGOUT("ixgbe_init_locked: begin"); 3959 3960 hw->adapter_stopped = FALSE; 3961 ixgbe_stop_adapter(hw); 3962 callout_stop(&adapter->timer); 3963 for (i = 0, que = adapter->queues; i < adapter->num_queues; i++, que++) 3964 que->disabled_count = 0; 3965 3966 /* XXX I moved this here from the SIOCSIFMTU case in ixgbe_ioctl(). */ 3967 adapter->max_frame_size = 3968 ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN; 3969 3970 /* Queue indices may change with IOV mode */ 3971 ixgbe_align_all_queue_indices(adapter); 3972 3973 /* reprogram the RAR[0] in case user changed it. */ 3974 ixgbe_set_rar(hw, 0, hw->mac.addr, adapter->pool, IXGBE_RAH_AV); 3975 3976 /* Get the latest mac address, User can use a LAA */ 3977 memcpy(hw->mac.addr, CLLADDR(ifp->if_sadl), 3978 IXGBE_ETH_LENGTH_OF_ADDRESS); 3979 ixgbe_set_rar(hw, 0, hw->mac.addr, adapter->pool, 1); 3980 hw->addr_ctrl.rar_used_count = 1; 3981 3982 /* Set hardware offload abilities from ifnet flags */ 3983 ixgbe_set_if_hwassist(adapter); 3984 3985 /* Prepare transmit descriptors and buffers */ 3986 if (ixgbe_setup_transmit_structures(adapter)) { 3987 device_printf(dev, "Could not setup transmit structures\n"); 3988 ixgbe_stop(adapter); 3989 return; 3990 } 3991 3992 ixgbe_init_hw(hw); 3993 3994 ixgbe_initialize_iov(adapter); 3995 3996 ixgbe_initialize_transmit_units(adapter); 3997 3998 /* Setup Multicast table */ 3999 ixgbe_set_multi(adapter); 4000 4001 /* Determine the correct mbuf pool, based on frame size */ 4002 if (adapter->max_frame_size <= MCLBYTES) 4003 adapter->rx_mbuf_sz = MCLBYTES; 4004 else 4005 adapter->rx_mbuf_sz = MJUMPAGESIZE; 4006 4007 /* Prepare receive descriptors and buffers */ 4008 if (ixgbe_setup_receive_structures(adapter)) { 4009 device_printf(dev, "Could not setup receive structures\n"); 4010 ixgbe_stop(adapter); 4011 return; 4012 } 4013 4014 /* Configure RX settings */ 4015 ixgbe_initialize_receive_units(adapter); 4016 4017 /* Enable SDP & MSI-X interrupts based on adapter */ 4018 ixgbe_config_gpie(adapter); 4019 4020 /* Set MTU size */ 4021 if (ifp->if_mtu > ETHERMTU) { 4022 /* aka IXGBE_MAXFRS on 82599 and newer */ 4023 mhadd = IXGBE_READ_REG(hw, IXGBE_MHADD); 4024 mhadd &= ~IXGBE_MHADD_MFS_MASK; 4025 mhadd |= adapter->max_frame_size << IXGBE_MHADD_MFS_SHIFT; 4026 IXGBE_WRITE_REG(hw, IXGBE_MHADD, mhadd); 4027 } 4028 4029 /* Now enable all the queues */ 4030 for (i = 0; i < adapter->num_queues; i++) { 4031 txr = &adapter->tx_rings[i]; 4032 txdctl = IXGBE_READ_REG(hw, IXGBE_TXDCTL(txr->me)); 4033 txdctl |= IXGBE_TXDCTL_ENABLE; 4034 /* Set WTHRESH to 8, burst writeback */ 4035 txdctl |= (8 << 16); 4036 /* 4037 * When the internal queue falls below PTHRESH (32), 4038 * start prefetching as long as there are at least 4039 * HTHRESH (1) buffers ready. The values are taken 4040 * from the Intel linux driver 3.8.21. 4041 * Prefetching enables tx line rate even with 1 queue. 4042 */ 4043 txdctl |= (32 << 0) | (1 << 8); 4044 IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(txr->me), txdctl); 4045 } 4046 4047 for (i = 0; i < adapter->num_queues; i++) { 4048 rxr = &adapter->rx_rings[i]; 4049 rxdctl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(rxr->me)); 4050 if (hw->mac.type == ixgbe_mac_82598EB) { 4051 /* 4052 * PTHRESH = 21 4053 * HTHRESH = 4 4054 * WTHRESH = 8 4055 */ 4056 rxdctl &= ~0x3FFFFF; 4057 rxdctl |= 0x080420; 4058 } 4059 rxdctl |= IXGBE_RXDCTL_ENABLE; 4060 IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(rxr->me), rxdctl); 4061 for (j = 0; j < 10; j++) { 4062 if (IXGBE_READ_REG(hw, IXGBE_RXDCTL(rxr->me)) & 4063 IXGBE_RXDCTL_ENABLE) 4064 break; 4065 else 4066 msec_delay(1); 4067 } 4068 wmb(); 4069 4070 /* 4071 * In netmap mode, we must preserve the buffers made 4072 * available to userspace before the if_init() 4073 * (this is true by default on the TX side, because 4074 * init makes all buffers available to userspace). 4075 * 4076 * netmap_reset() and the device specific routines 4077 * (e.g. ixgbe_setup_receive_rings()) map these 4078 * buffers at the end of the NIC ring, so here we 4079 * must set the RDT (tail) register to make sure 4080 * they are not overwritten. 4081 * 4082 * In this driver the NIC ring starts at RDH = 0, 4083 * RDT points to the last slot available for reception (?), 4084 * so RDT = num_rx_desc - 1 means the whole ring is available. 4085 */ 4086 #ifdef DEV_NETMAP 4087 if ((adapter->feat_en & IXGBE_FEATURE_NETMAP) && 4088 (ifp->if_capenable & IFCAP_NETMAP)) { 4089 struct netmap_adapter *na = NA(adapter->ifp); 4090 struct netmap_kring *kring = na->rx_rings[i]; 4091 int t = na->num_rx_desc - 1 - nm_kr_rxspace(kring); 4092 4093 IXGBE_WRITE_REG(hw, IXGBE_RDT(rxr->me), t); 4094 } else 4095 #endif /* DEV_NETMAP */ 4096 IXGBE_WRITE_REG(hw, IXGBE_RDT(rxr->me), 4097 adapter->num_rx_desc - 1); 4098 } 4099 4100 /* Enable Receive engine */ 4101 rxctrl = IXGBE_READ_REG(hw, IXGBE_RXCTRL); 4102 if (hw->mac.type == ixgbe_mac_82598EB) 4103 rxctrl |= IXGBE_RXCTRL_DMBYPS; 4104 rxctrl |= IXGBE_RXCTRL_RXEN; 4105 ixgbe_enable_rx_dma(hw, rxctrl); 4106 4107 callout_reset(&adapter->timer, hz, ixgbe_local_timer, adapter); 4108 4109 /* Set up MSI/MSI-X routing */ 4110 if (adapter->feat_en & IXGBE_FEATURE_MSIX) { 4111 ixgbe_configure_ivars(adapter); 4112 /* Set up auto-mask */ 4113 if (hw->mac.type == ixgbe_mac_82598EB) 4114 IXGBE_WRITE_REG(hw, IXGBE_EIAM, IXGBE_EICS_RTX_QUEUE); 4115 else { 4116 IXGBE_WRITE_REG(hw, IXGBE_EIAM_EX(0), 0xFFFFFFFF); 4117 IXGBE_WRITE_REG(hw, IXGBE_EIAM_EX(1), 0xFFFFFFFF); 4118 } 4119 } else { /* Simple settings for Legacy/MSI */ 4120 ixgbe_set_ivar(adapter, 0, 0, 0); 4121 ixgbe_set_ivar(adapter, 0, 0, 1); 4122 IXGBE_WRITE_REG(hw, IXGBE_EIAM, IXGBE_EICS_RTX_QUEUE); 4123 } 4124 4125 ixgbe_init_fdir(adapter); 4126 4127 /* 4128 * Check on any SFP devices that 4129 * need to be kick-started 4130 */ 4131 if (hw->phy.type == ixgbe_phy_none) { 4132 err = hw->phy.ops.identify(hw); 4133 if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) { 4134 device_printf(dev, 4135 "Unsupported SFP+ module type was detected.\n"); 4136 return; 4137 } 4138 } 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 ixgbe_set_phy_power(hw, TRUE); 4150 4151 /* Config/Enable Link */ 4152 ixgbe_config_link(adapter); 4153 4154 /* Hardware Packet Buffer & Flow Control setup */ 4155 ixgbe_config_delay_values(adapter); 4156 4157 /* Initialize the FC settings */ 4158 ixgbe_start_hw(hw); 4159 4160 /* Set up VLAN support and filter */ 4161 ixgbe_setup_vlan_hw_support(adapter); 4162 4163 /* Setup DMA Coalescing */ 4164 ixgbe_config_dmac(adapter); 4165 4166 /* And now turn on interrupts */ 4167 ixgbe_enable_intr(adapter); 4168 4169 /* Enable the use of the MBX by the VF's */ 4170 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) { 4171 ctrl_ext = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT); 4172 ctrl_ext |= IXGBE_CTRL_EXT_PFRSTD; 4173 IXGBE_WRITE_REG(hw, IXGBE_CTRL_EXT, ctrl_ext); 4174 } 4175 4176 /* Update saved flags. See ixgbe_ifflags_cb() */ 4177 adapter->if_flags = ifp->if_flags; 4178 adapter->ec_capenable = adapter->osdep.ec.ec_capenable; 4179 4180 /* Now inform the stack we're ready */ 4181 ifp->if_flags |= IFF_RUNNING; 4182 4183 return; 4184 } /* ixgbe_init_locked */ 4185 4186 /************************************************************************ 4187 * ixgbe_init 4188 ************************************************************************/ 4189 static int 4190 ixgbe_init(struct ifnet *ifp) 4191 { 4192 struct adapter *adapter = ifp->if_softc; 4193 4194 IXGBE_CORE_LOCK(adapter); 4195 ixgbe_init_locked(adapter); 4196 IXGBE_CORE_UNLOCK(adapter); 4197 4198 return 0; /* XXX ixgbe_init_locked cannot fail? really? */ 4199 } /* ixgbe_init */ 4200 4201 /************************************************************************ 4202 * ixgbe_set_ivar 4203 * 4204 * Setup the correct IVAR register for a particular MSI-X interrupt 4205 * (yes this is all very magic and confusing :) 4206 * - entry is the register array entry 4207 * - vector is the MSI-X vector for this queue 4208 * - type is RX/TX/MISC 4209 ************************************************************************/ 4210 static void 4211 ixgbe_set_ivar(struct adapter *adapter, u8 entry, u8 vector, s8 type) 4212 { 4213 struct ixgbe_hw *hw = &adapter->hw; 4214 u32 ivar, index; 4215 4216 vector |= IXGBE_IVAR_ALLOC_VAL; 4217 4218 switch (hw->mac.type) { 4219 case ixgbe_mac_82598EB: 4220 if (type == -1) 4221 entry = IXGBE_IVAR_OTHER_CAUSES_INDEX; 4222 else 4223 entry += (type * 64); 4224 index = (entry >> 2) & 0x1F; 4225 ivar = IXGBE_READ_REG(hw, IXGBE_IVAR(index)); 4226 ivar &= ~(0xffUL << (8 * (entry & 0x3))); 4227 ivar |= ((u32)vector << (8 * (entry & 0x3))); 4228 IXGBE_WRITE_REG(&adapter->hw, IXGBE_IVAR(index), ivar); 4229 break; 4230 case ixgbe_mac_82599EB: 4231 case ixgbe_mac_X540: 4232 case ixgbe_mac_X550: 4233 case ixgbe_mac_X550EM_x: 4234 case ixgbe_mac_X550EM_a: 4235 if (type == -1) { /* MISC IVAR */ 4236 index = (entry & 1) * 8; 4237 ivar = IXGBE_READ_REG(hw, IXGBE_IVAR_MISC); 4238 ivar &= ~(0xffUL << index); 4239 ivar |= ((u32)vector << index); 4240 IXGBE_WRITE_REG(hw, IXGBE_IVAR_MISC, ivar); 4241 } else { /* RX/TX IVARS */ 4242 index = (16 * (entry & 1)) + (8 * type); 4243 ivar = IXGBE_READ_REG(hw, IXGBE_IVAR(entry >> 1)); 4244 ivar &= ~(0xffUL << index); 4245 ivar |= ((u32)vector << index); 4246 IXGBE_WRITE_REG(hw, IXGBE_IVAR(entry >> 1), ivar); 4247 } 4248 break; 4249 default: 4250 break; 4251 } 4252 } /* ixgbe_set_ivar */ 4253 4254 /************************************************************************ 4255 * ixgbe_configure_ivars 4256 ************************************************************************/ 4257 static void 4258 ixgbe_configure_ivars(struct adapter *adapter) 4259 { 4260 struct ix_queue *que = adapter->queues; 4261 u32 newitr; 4262 4263 if (ixgbe_max_interrupt_rate > 0) 4264 newitr = (4000000 / ixgbe_max_interrupt_rate) & 0x0FF8; 4265 else { 4266 /* 4267 * Disable DMA coalescing if interrupt moderation is 4268 * disabled. 4269 */ 4270 adapter->dmac = 0; 4271 newitr = 0; 4272 } 4273 4274 for (int i = 0; i < adapter->num_queues; i++, que++) { 4275 struct rx_ring *rxr = &adapter->rx_rings[i]; 4276 struct tx_ring *txr = &adapter->tx_rings[i]; 4277 /* First the RX queue entry */ 4278 ixgbe_set_ivar(adapter, rxr->me, que->msix, 0); 4279 /* ... and the TX */ 4280 ixgbe_set_ivar(adapter, txr->me, que->msix, 1); 4281 /* Set an Initial EITR value */ 4282 ixgbe_eitr_write(adapter, que->msix, newitr); 4283 /* 4284 * To eliminate influence of the previous state. 4285 * At this point, Tx/Rx interrupt handler 4286 * (ixgbe_msix_que()) cannot be called, so both 4287 * IXGBE_TX_LOCK and IXGBE_RX_LOCK are not required. 4288 */ 4289 que->eitr_setting = 0; 4290 } 4291 4292 /* For the Link interrupt */ 4293 ixgbe_set_ivar(adapter, 1, adapter->vector, -1); 4294 } /* ixgbe_configure_ivars */ 4295 4296 /************************************************************************ 4297 * ixgbe_config_gpie 4298 ************************************************************************/ 4299 static void 4300 ixgbe_config_gpie(struct adapter *adapter) 4301 { 4302 struct ixgbe_hw *hw = &adapter->hw; 4303 u32 gpie; 4304 4305 gpie = IXGBE_READ_REG(hw, IXGBE_GPIE); 4306 4307 if (adapter->feat_en & IXGBE_FEATURE_MSIX) { 4308 /* Enable Enhanced MSI-X mode */ 4309 gpie |= IXGBE_GPIE_MSIX_MODE 4310 | IXGBE_GPIE_EIAME 4311 | IXGBE_GPIE_PBA_SUPPORT 4312 | IXGBE_GPIE_OCD; 4313 } 4314 4315 /* Fan Failure Interrupt */ 4316 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) 4317 gpie |= IXGBE_SDP1_GPIEN; 4318 4319 /* Thermal Sensor Interrupt */ 4320 if (adapter->feat_en & IXGBE_FEATURE_TEMP_SENSOR) 4321 gpie |= IXGBE_SDP0_GPIEN_X540; 4322 4323 /* Link detection */ 4324 switch (hw->mac.type) { 4325 case ixgbe_mac_82599EB: 4326 gpie |= IXGBE_SDP1_GPIEN | IXGBE_SDP2_GPIEN; 4327 break; 4328 case ixgbe_mac_X550EM_x: 4329 case ixgbe_mac_X550EM_a: 4330 gpie |= IXGBE_SDP0_GPIEN_X540; 4331 break; 4332 default: 4333 break; 4334 } 4335 4336 IXGBE_WRITE_REG(hw, IXGBE_GPIE, gpie); 4337 4338 } /* ixgbe_config_gpie */ 4339 4340 /************************************************************************ 4341 * ixgbe_config_delay_values 4342 * 4343 * Requires adapter->max_frame_size to be set. 4344 ************************************************************************/ 4345 static void 4346 ixgbe_config_delay_values(struct adapter *adapter) 4347 { 4348 struct ixgbe_hw *hw = &adapter->hw; 4349 u32 rxpb, frame, size, tmp; 4350 4351 frame = adapter->max_frame_size; 4352 4353 /* Calculate High Water */ 4354 switch (hw->mac.type) { 4355 case ixgbe_mac_X540: 4356 case ixgbe_mac_X550: 4357 case ixgbe_mac_X550EM_x: 4358 case ixgbe_mac_X550EM_a: 4359 tmp = IXGBE_DV_X540(frame, frame); 4360 break; 4361 default: 4362 tmp = IXGBE_DV(frame, frame); 4363 break; 4364 } 4365 size = IXGBE_BT2KB(tmp); 4366 rxpb = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(0)) >> 10; 4367 hw->fc.high_water[0] = rxpb - size; 4368 4369 /* Now calculate Low Water */ 4370 switch (hw->mac.type) { 4371 case ixgbe_mac_X540: 4372 case ixgbe_mac_X550: 4373 case ixgbe_mac_X550EM_x: 4374 case ixgbe_mac_X550EM_a: 4375 tmp = IXGBE_LOW_DV_X540(frame); 4376 break; 4377 default: 4378 tmp = IXGBE_LOW_DV(frame); 4379 break; 4380 } 4381 hw->fc.low_water[0] = IXGBE_BT2KB(tmp); 4382 4383 hw->fc.pause_time = IXGBE_FC_PAUSE; 4384 hw->fc.send_xon = TRUE; 4385 } /* ixgbe_config_delay_values */ 4386 4387 /************************************************************************ 4388 * ixgbe_set_multi - Multicast Update 4389 * 4390 * Called whenever multicast address list is updated. 4391 ************************************************************************/ 4392 static void 4393 ixgbe_set_multi(struct adapter *adapter) 4394 { 4395 struct ixgbe_mc_addr *mta; 4396 struct ifnet *ifp = adapter->ifp; 4397 u8 *update_ptr; 4398 int mcnt = 0; 4399 u32 fctrl; 4400 struct ethercom *ec = &adapter->osdep.ec; 4401 struct ether_multi *enm; 4402 struct ether_multistep step; 4403 4404 KASSERT(mutex_owned(&adapter->core_mtx)); 4405 IOCTL_DEBUGOUT("ixgbe_set_multi: begin"); 4406 4407 mta = adapter->mta; 4408 bzero(mta, sizeof(*mta) * MAX_NUM_MULTICAST_ADDRESSES); 4409 4410 ETHER_LOCK(ec); 4411 ec->ec_flags &= ~ETHER_F_ALLMULTI; 4412 ETHER_FIRST_MULTI(step, ec, enm); 4413 while (enm != NULL) { 4414 if ((mcnt == MAX_NUM_MULTICAST_ADDRESSES) || 4415 (memcmp(enm->enm_addrlo, enm->enm_addrhi, 4416 ETHER_ADDR_LEN) != 0)) { 4417 ec->ec_flags |= ETHER_F_ALLMULTI; 4418 break; 4419 } 4420 bcopy(enm->enm_addrlo, 4421 mta[mcnt].addr, IXGBE_ETH_LENGTH_OF_ADDRESS); 4422 mta[mcnt].vmdq = adapter->pool; 4423 mcnt++; 4424 ETHER_NEXT_MULTI(step, enm); 4425 } 4426 4427 fctrl = IXGBE_READ_REG(&adapter->hw, IXGBE_FCTRL); 4428 fctrl &= ~(IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE); 4429 if (ifp->if_flags & IFF_PROMISC) 4430 fctrl |= (IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE); 4431 else if (ec->ec_flags & ETHER_F_ALLMULTI) { 4432 fctrl |= IXGBE_FCTRL_MPE; 4433 } 4434 ETHER_UNLOCK(ec); 4435 4436 IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCTRL, fctrl); 4437 4438 if (mcnt < MAX_NUM_MULTICAST_ADDRESSES) { 4439 update_ptr = (u8 *)mta; 4440 ixgbe_update_mc_addr_list(&adapter->hw, update_ptr, mcnt, 4441 ixgbe_mc_array_itr, TRUE); 4442 } 4443 4444 } /* ixgbe_set_multi */ 4445 4446 /************************************************************************ 4447 * ixgbe_mc_array_itr 4448 * 4449 * An iterator function needed by the multicast shared code. 4450 * It feeds the shared code routine the addresses in the 4451 * array of ixgbe_set_multi() one by one. 4452 ************************************************************************/ 4453 static u8 * 4454 ixgbe_mc_array_itr(struct ixgbe_hw *hw, u8 **update_ptr, u32 *vmdq) 4455 { 4456 struct ixgbe_mc_addr *mta; 4457 4458 mta = (struct ixgbe_mc_addr *)*update_ptr; 4459 *vmdq = mta->vmdq; 4460 4461 *update_ptr = (u8*)(mta + 1); 4462 4463 return (mta->addr); 4464 } /* ixgbe_mc_array_itr */ 4465 4466 /************************************************************************ 4467 * ixgbe_local_timer - Timer routine 4468 * 4469 * Checks for link status, updates statistics, 4470 * and runs the watchdog check. 4471 ************************************************************************/ 4472 static void 4473 ixgbe_local_timer(void *arg) 4474 { 4475 struct adapter *adapter = arg; 4476 4477 IXGBE_CORE_LOCK(adapter); 4478 ixgbe_local_timer1(adapter); 4479 IXGBE_CORE_UNLOCK(adapter); 4480 } 4481 4482 static void 4483 ixgbe_local_timer1(void *arg) 4484 { 4485 struct adapter *adapter = arg; 4486 device_t dev = adapter->dev; 4487 struct ix_queue *que = adapter->queues; 4488 u64 queues = 0; 4489 u64 v0, v1, v2, v3, v4, v5, v6, v7; 4490 int hung = 0; 4491 int i; 4492 4493 KASSERT(mutex_owned(&adapter->core_mtx)); 4494 4495 /* Check for pluggable optics */ 4496 if (adapter->sfp_probe) 4497 if (!ixgbe_sfp_probe(adapter)) 4498 goto out; /* Nothing to do */ 4499 4500 ixgbe_update_link_status(adapter); 4501 ixgbe_update_stats_counters(adapter); 4502 4503 /* Update some event counters */ 4504 v0 = v1 = v2 = v3 = v4 = v5 = v6 = v7 = 0; 4505 que = adapter->queues; 4506 for (i = 0; i < adapter->num_queues; i++, que++) { 4507 struct tx_ring *txr = que->txr; 4508 4509 v0 += txr->q_efbig_tx_dma_setup; 4510 v1 += txr->q_mbuf_defrag_failed; 4511 v2 += txr->q_efbig2_tx_dma_setup; 4512 v3 += txr->q_einval_tx_dma_setup; 4513 v4 += txr->q_other_tx_dma_setup; 4514 v5 += txr->q_eagain_tx_dma_setup; 4515 v6 += txr->q_enomem_tx_dma_setup; 4516 v7 += txr->q_tso_err; 4517 } 4518 adapter->efbig_tx_dma_setup.ev_count = v0; 4519 adapter->mbuf_defrag_failed.ev_count = v1; 4520 adapter->efbig2_tx_dma_setup.ev_count = v2; 4521 adapter->einval_tx_dma_setup.ev_count = v3; 4522 adapter->other_tx_dma_setup.ev_count = v4; 4523 adapter->eagain_tx_dma_setup.ev_count = v5; 4524 adapter->enomem_tx_dma_setup.ev_count = v6; 4525 adapter->tso_err.ev_count = v7; 4526 4527 /* 4528 * Check the TX queues status 4529 * - mark hung queues so we don't schedule on them 4530 * - watchdog only if all queues show hung 4531 */ 4532 que = adapter->queues; 4533 for (i = 0; i < adapter->num_queues; i++, que++) { 4534 /* Keep track of queues with work for soft irq */ 4535 if (que->txr->busy) 4536 queues |= 1ULL << que->me; 4537 /* 4538 * Each time txeof runs without cleaning, but there 4539 * are uncleaned descriptors it increments busy. If 4540 * we get to the MAX we declare it hung. 4541 */ 4542 if (que->busy == IXGBE_QUEUE_HUNG) { 4543 ++hung; 4544 /* Mark the queue as inactive */ 4545 adapter->active_queues &= ~(1ULL << que->me); 4546 continue; 4547 } else { 4548 /* Check if we've come back from hung */ 4549 if ((adapter->active_queues & (1ULL << que->me)) == 0) 4550 adapter->active_queues |= 1ULL << que->me; 4551 } 4552 if (que->busy >= IXGBE_MAX_TX_BUSY) { 4553 device_printf(dev, 4554 "Warning queue %d appears to be hung!\n", i); 4555 que->txr->busy = IXGBE_QUEUE_HUNG; 4556 ++hung; 4557 } 4558 } 4559 4560 /* Only truely watchdog if all queues show hung */ 4561 if (hung == adapter->num_queues) 4562 goto watchdog; 4563 #if 0 /* XXX Avoid unexpectedly disabling interrupt forever (PR#53294) */ 4564 else if (queues != 0) { /* Force an IRQ on queues with work */ 4565 que = adapter->queues; 4566 for (i = 0; i < adapter->num_queues; i++, que++) { 4567 mutex_enter(&que->dc_mtx); 4568 if (que->disabled_count == 0) 4569 ixgbe_rearm_queues(adapter, 4570 queues & ((u64)1 << i)); 4571 mutex_exit(&que->dc_mtx); 4572 } 4573 } 4574 #endif 4575 4576 out: 4577 callout_reset(&adapter->timer, hz, ixgbe_local_timer, adapter); 4578 return; 4579 4580 watchdog: 4581 device_printf(adapter->dev, "Watchdog timeout -- resetting\n"); 4582 adapter->ifp->if_flags &= ~IFF_RUNNING; 4583 adapter->watchdog_events.ev_count++; 4584 ixgbe_init_locked(adapter); 4585 } /* ixgbe_local_timer */ 4586 4587 /************************************************************************ 4588 * ixgbe_recovery_mode_timer - Recovery mode timer routine 4589 ************************************************************************/ 4590 static void 4591 ixgbe_recovery_mode_timer(void *arg) 4592 { 4593 struct adapter *adapter = arg; 4594 struct ixgbe_hw *hw = &adapter->hw; 4595 4596 IXGBE_CORE_LOCK(adapter); 4597 if (ixgbe_fw_recovery_mode(hw)) { 4598 if (atomic_cas_uint(&adapter->recovery_mode, 0, 1)) { 4599 /* Firmware error detected, entering recovery mode */ 4600 device_printf(adapter->dev, "Firmware recovery mode detected. Limiting functionality. Refer to the Intel(R) Ethernet Adapters and Devices User Guide for details on firmware recovery mode.\n"); 4601 4602 if (hw->adapter_stopped == FALSE) 4603 ixgbe_stop(adapter); 4604 } 4605 } else 4606 atomic_cas_uint(&adapter->recovery_mode, 1, 0); 4607 4608 callout_reset(&adapter->recovery_mode_timer, hz, 4609 ixgbe_recovery_mode_timer, adapter); 4610 IXGBE_CORE_UNLOCK(adapter); 4611 } /* ixgbe_recovery_mode_timer */ 4612 4613 /************************************************************************ 4614 * ixgbe_sfp_probe 4615 * 4616 * Determine if a port had optics inserted. 4617 ************************************************************************/ 4618 static bool 4619 ixgbe_sfp_probe(struct adapter *adapter) 4620 { 4621 struct ixgbe_hw *hw = &adapter->hw; 4622 device_t dev = adapter->dev; 4623 bool result = FALSE; 4624 4625 if ((hw->phy.type == ixgbe_phy_nl) && 4626 (hw->phy.sfp_type == ixgbe_sfp_type_not_present)) { 4627 s32 ret = hw->phy.ops.identify_sfp(hw); 4628 if (ret) 4629 goto out; 4630 ret = hw->phy.ops.reset(hw); 4631 adapter->sfp_probe = FALSE; 4632 if (ret == IXGBE_ERR_SFP_NOT_SUPPORTED) { 4633 device_printf(dev,"Unsupported SFP+ module detected!"); 4634 device_printf(dev, 4635 "Reload driver with supported module.\n"); 4636 goto out; 4637 } else 4638 device_printf(dev, "SFP+ module detected!\n"); 4639 /* We now have supported optics */ 4640 result = TRUE; 4641 } 4642 out: 4643 4644 return (result); 4645 } /* ixgbe_sfp_probe */ 4646 4647 /************************************************************************ 4648 * ixgbe_handle_mod - Tasklet for SFP module interrupts 4649 ************************************************************************/ 4650 static void 4651 ixgbe_handle_mod(void *context) 4652 { 4653 struct adapter *adapter = context; 4654 struct ixgbe_hw *hw = &adapter->hw; 4655 device_t dev = adapter->dev; 4656 u32 err, cage_full = 0; 4657 4658 ++adapter->mod_sicount.ev_count; 4659 if (adapter->hw.need_crosstalk_fix) { 4660 switch (hw->mac.type) { 4661 case ixgbe_mac_82599EB: 4662 cage_full = IXGBE_READ_REG(hw, IXGBE_ESDP) & 4663 IXGBE_ESDP_SDP2; 4664 break; 4665 case ixgbe_mac_X550EM_x: 4666 case ixgbe_mac_X550EM_a: 4667 cage_full = IXGBE_READ_REG(hw, IXGBE_ESDP) & 4668 IXGBE_ESDP_SDP0; 4669 break; 4670 default: 4671 break; 4672 } 4673 4674 if (!cage_full) 4675 return; 4676 } 4677 4678 err = hw->phy.ops.identify_sfp(hw); 4679 if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) { 4680 device_printf(dev, 4681 "Unsupported SFP+ module type was detected.\n"); 4682 return; 4683 } 4684 4685 if (hw->mac.type == ixgbe_mac_82598EB) 4686 err = hw->phy.ops.reset(hw); 4687 else 4688 err = hw->mac.ops.setup_sfp(hw); 4689 4690 if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) { 4691 device_printf(dev, 4692 "Setup failure - unsupported SFP+ module type.\n"); 4693 return; 4694 } 4695 softint_schedule(adapter->msf_si); 4696 } /* ixgbe_handle_mod */ 4697 4698 4699 /************************************************************************ 4700 * ixgbe_handle_msf - Tasklet for MSF (multispeed fiber) interrupts 4701 ************************************************************************/ 4702 static void 4703 ixgbe_handle_msf(void *context) 4704 { 4705 struct adapter *adapter = context; 4706 struct ixgbe_hw *hw = &adapter->hw; 4707 u32 autoneg; 4708 bool negotiate; 4709 4710 IXGBE_CORE_LOCK(adapter); 4711 ++adapter->msf_sicount.ev_count; 4712 /* get_supported_phy_layer will call hw->phy.ops.identify_sfp() */ 4713 adapter->phy_layer = ixgbe_get_supported_physical_layer(hw); 4714 4715 autoneg = hw->phy.autoneg_advertised; 4716 if ((!autoneg) && (hw->mac.ops.get_link_capabilities)) 4717 hw->mac.ops.get_link_capabilities(hw, &autoneg, &negotiate); 4718 else 4719 negotiate = 0; 4720 if (hw->mac.ops.setup_link) 4721 hw->mac.ops.setup_link(hw, autoneg, TRUE); 4722 4723 /* Adjust media types shown in ifconfig */ 4724 ifmedia_removeall(&adapter->media); 4725 ixgbe_add_media_types(adapter); 4726 ifmedia_set(&adapter->media, IFM_ETHER | IFM_AUTO); 4727 IXGBE_CORE_UNLOCK(adapter); 4728 } /* ixgbe_handle_msf */ 4729 4730 /************************************************************************ 4731 * ixgbe_handle_phy - Tasklet for external PHY interrupts 4732 ************************************************************************/ 4733 static void 4734 ixgbe_handle_phy(void *context) 4735 { 4736 struct adapter *adapter = context; 4737 struct ixgbe_hw *hw = &adapter->hw; 4738 int error; 4739 4740 ++adapter->phy_sicount.ev_count; 4741 error = hw->phy.ops.handle_lasi(hw); 4742 if (error == IXGBE_ERR_OVERTEMP) 4743 device_printf(adapter->dev, 4744 "CRITICAL: EXTERNAL PHY OVER TEMP!! " 4745 " PHY will downshift to lower power state!\n"); 4746 else if (error) 4747 device_printf(adapter->dev, 4748 "Error handling LASI interrupt: %d\n", error); 4749 } /* ixgbe_handle_phy */ 4750 4751 static void 4752 ixgbe_ifstop(struct ifnet *ifp, int disable) 4753 { 4754 struct adapter *adapter = ifp->if_softc; 4755 4756 IXGBE_CORE_LOCK(adapter); 4757 ixgbe_stop(adapter); 4758 IXGBE_CORE_UNLOCK(adapter); 4759 } 4760 4761 /************************************************************************ 4762 * ixgbe_stop - Stop the hardware 4763 * 4764 * Disables all traffic on the adapter by issuing a 4765 * global reset on the MAC and deallocates TX/RX buffers. 4766 ************************************************************************/ 4767 static void 4768 ixgbe_stop(void *arg) 4769 { 4770 struct ifnet *ifp; 4771 struct adapter *adapter = arg; 4772 struct ixgbe_hw *hw = &adapter->hw; 4773 4774 ifp = adapter->ifp; 4775 4776 KASSERT(mutex_owned(&adapter->core_mtx)); 4777 4778 INIT_DEBUGOUT("ixgbe_stop: begin\n"); 4779 ixgbe_disable_intr(adapter); 4780 callout_stop(&adapter->timer); 4781 4782 /* Let the stack know...*/ 4783 ifp->if_flags &= ~IFF_RUNNING; 4784 4785 ixgbe_reset_hw(hw); 4786 hw->adapter_stopped = FALSE; 4787 ixgbe_stop_adapter(hw); 4788 if (hw->mac.type == ixgbe_mac_82599EB) 4789 ixgbe_stop_mac_link_on_d3_82599(hw); 4790 /* Turn off the laser - noop with no optics */ 4791 ixgbe_disable_tx_laser(hw); 4792 4793 /* Update the stack */ 4794 adapter->link_up = FALSE; 4795 ixgbe_update_link_status(adapter); 4796 4797 /* reprogram the RAR[0] in case user changed it. */ 4798 ixgbe_set_rar(&adapter->hw, 0, adapter->hw.mac.addr, 0, IXGBE_RAH_AV); 4799 4800 return; 4801 } /* ixgbe_stop */ 4802 4803 /************************************************************************ 4804 * ixgbe_update_link_status - Update OS on link state 4805 * 4806 * Note: Only updates the OS on the cached link state. 4807 * The real check of the hardware only happens with 4808 * a link interrupt. 4809 ************************************************************************/ 4810 static void 4811 ixgbe_update_link_status(struct adapter *adapter) 4812 { 4813 struct ifnet *ifp = adapter->ifp; 4814 device_t dev = adapter->dev; 4815 struct ixgbe_hw *hw = &adapter->hw; 4816 4817 KASSERT(mutex_owned(&adapter->core_mtx)); 4818 4819 if (adapter->link_up) { 4820 if (adapter->link_active != LINK_STATE_UP) { 4821 /* 4822 * To eliminate influence of the previous state 4823 * in the same way as ixgbe_init_locked(). 4824 */ 4825 struct ix_queue *que = adapter->queues; 4826 for (int i = 0; i < adapter->num_queues; i++, que++) 4827 que->eitr_setting = 0; 4828 4829 if (adapter->link_speed == IXGBE_LINK_SPEED_10GB_FULL){ 4830 /* 4831 * Discard count for both MAC Local Fault and 4832 * Remote Fault because those registers are 4833 * valid only when the link speed is up and 4834 * 10Gbps. 4835 */ 4836 IXGBE_READ_REG(hw, IXGBE_MLFC); 4837 IXGBE_READ_REG(hw, IXGBE_MRFC); 4838 } 4839 4840 if (bootverbose) { 4841 const char *bpsmsg; 4842 4843 switch (adapter->link_speed) { 4844 case IXGBE_LINK_SPEED_10GB_FULL: 4845 bpsmsg = "10 Gbps"; 4846 break; 4847 case IXGBE_LINK_SPEED_5GB_FULL: 4848 bpsmsg = "5 Gbps"; 4849 break; 4850 case IXGBE_LINK_SPEED_2_5GB_FULL: 4851 bpsmsg = "2.5 Gbps"; 4852 break; 4853 case IXGBE_LINK_SPEED_1GB_FULL: 4854 bpsmsg = "1 Gbps"; 4855 break; 4856 case IXGBE_LINK_SPEED_100_FULL: 4857 bpsmsg = "100 Mbps"; 4858 break; 4859 case IXGBE_LINK_SPEED_10_FULL: 4860 bpsmsg = "10 Mbps"; 4861 break; 4862 default: 4863 bpsmsg = "unknown speed"; 4864 break; 4865 } 4866 device_printf(dev, "Link is up %s %s \n", 4867 bpsmsg, "Full Duplex"); 4868 } 4869 adapter->link_active = LINK_STATE_UP; 4870 /* Update any Flow Control changes */ 4871 ixgbe_fc_enable(&adapter->hw); 4872 /* Update DMA coalescing config */ 4873 ixgbe_config_dmac(adapter); 4874 if_link_state_change(ifp, LINK_STATE_UP); 4875 4876 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) 4877 ixgbe_ping_all_vfs(adapter); 4878 } 4879 } else { 4880 /* 4881 * Do it when link active changes to DOWN. i.e. 4882 * a) LINK_STATE_UNKNOWN -> LINK_STATE_DOWN 4883 * b) LINK_STATE_UP -> LINK_STATE_DOWN 4884 */ 4885 if (adapter->link_active != LINK_STATE_DOWN) { 4886 if (bootverbose) 4887 device_printf(dev, "Link is Down\n"); 4888 if_link_state_change(ifp, LINK_STATE_DOWN); 4889 adapter->link_active = LINK_STATE_DOWN; 4890 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) 4891 ixgbe_ping_all_vfs(adapter); 4892 ixgbe_drain_all(adapter); 4893 } 4894 } 4895 } /* ixgbe_update_link_status */ 4896 4897 /************************************************************************ 4898 * ixgbe_config_dmac - Configure DMA Coalescing 4899 ************************************************************************/ 4900 static void 4901 ixgbe_config_dmac(struct adapter *adapter) 4902 { 4903 struct ixgbe_hw *hw = &adapter->hw; 4904 struct ixgbe_dmac_config *dcfg = &hw->mac.dmac_config; 4905 4906 if (hw->mac.type < ixgbe_mac_X550 || !hw->mac.ops.dmac_config) 4907 return; 4908 4909 if (dcfg->watchdog_timer ^ adapter->dmac || 4910 dcfg->link_speed ^ adapter->link_speed) { 4911 dcfg->watchdog_timer = adapter->dmac; 4912 dcfg->fcoe_en = false; 4913 dcfg->link_speed = adapter->link_speed; 4914 dcfg->num_tcs = 1; 4915 4916 INIT_DEBUGOUT2("dmac settings: watchdog %d, link speed %d\n", 4917 dcfg->watchdog_timer, dcfg->link_speed); 4918 4919 hw->mac.ops.dmac_config(hw); 4920 } 4921 } /* ixgbe_config_dmac */ 4922 4923 /************************************************************************ 4924 * ixgbe_enable_intr 4925 ************************************************************************/ 4926 static void 4927 ixgbe_enable_intr(struct adapter *adapter) 4928 { 4929 struct ixgbe_hw *hw = &adapter->hw; 4930 struct ix_queue *que = adapter->queues; 4931 u32 mask, fwsm; 4932 4933 mask = (IXGBE_EIMS_ENABLE_MASK & ~IXGBE_EIMS_RTX_QUEUE); 4934 4935 switch (adapter->hw.mac.type) { 4936 case ixgbe_mac_82599EB: 4937 mask |= IXGBE_EIMS_ECC; 4938 /* Temperature sensor on some adapters */ 4939 mask |= IXGBE_EIMS_GPI_SDP0; 4940 /* SFP+ (RX_LOS_N & MOD_ABS_N) */ 4941 mask |= IXGBE_EIMS_GPI_SDP1; 4942 mask |= IXGBE_EIMS_GPI_SDP2; 4943 break; 4944 case ixgbe_mac_X540: 4945 /* Detect if Thermal Sensor is enabled */ 4946 fwsm = IXGBE_READ_REG(hw, IXGBE_FWSM); 4947 if (fwsm & IXGBE_FWSM_TS_ENABLED) 4948 mask |= IXGBE_EIMS_TS; 4949 mask |= IXGBE_EIMS_ECC; 4950 break; 4951 case ixgbe_mac_X550: 4952 /* MAC thermal sensor is automatically enabled */ 4953 mask |= IXGBE_EIMS_TS; 4954 mask |= IXGBE_EIMS_ECC; 4955 break; 4956 case ixgbe_mac_X550EM_x: 4957 case ixgbe_mac_X550EM_a: 4958 /* Some devices use SDP0 for important information */ 4959 if (hw->device_id == IXGBE_DEV_ID_X550EM_X_SFP || 4960 hw->device_id == IXGBE_DEV_ID_X550EM_A_SFP || 4961 hw->device_id == IXGBE_DEV_ID_X550EM_A_SFP_N || 4962 hw->device_id == IXGBE_DEV_ID_X550EM_X_10G_T) 4963 mask |= IXGBE_EIMS_GPI_SDP0_BY_MAC(hw); 4964 if (hw->phy.type == ixgbe_phy_x550em_ext_t) 4965 mask |= IXGBE_EICR_GPI_SDP0_X540; 4966 mask |= IXGBE_EIMS_ECC; 4967 break; 4968 default: 4969 break; 4970 } 4971 4972 /* Enable Fan Failure detection */ 4973 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) 4974 mask |= IXGBE_EIMS_GPI_SDP1; 4975 /* Enable SR-IOV */ 4976 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) 4977 mask |= IXGBE_EIMS_MAILBOX; 4978 /* Enable Flow Director */ 4979 if (adapter->feat_en & IXGBE_FEATURE_FDIR) 4980 mask |= IXGBE_EIMS_FLOW_DIR; 4981 4982 IXGBE_WRITE_REG(hw, IXGBE_EIMS, mask); 4983 4984 /* With MSI-X we use auto clear */ 4985 if (adapter->msix_mem) { 4986 mask = IXGBE_EIMS_ENABLE_MASK; 4987 /* Don't autoclear Link */ 4988 mask &= ~IXGBE_EIMS_OTHER; 4989 mask &= ~IXGBE_EIMS_LSC; 4990 if (adapter->feat_cap & IXGBE_FEATURE_SRIOV) 4991 mask &= ~IXGBE_EIMS_MAILBOX; 4992 IXGBE_WRITE_REG(hw, IXGBE_EIAC, mask); 4993 } 4994 4995 /* 4996 * Now enable all queues, this is done separately to 4997 * allow for handling the extended (beyond 32) MSI-X 4998 * vectors that can be used by 82599 4999 */ 5000 for (int i = 0; i < adapter->num_queues; i++, que++) 5001 ixgbe_enable_queue(adapter, que->msix); 5002 5003 IXGBE_WRITE_FLUSH(hw); 5004 5005 } /* ixgbe_enable_intr */ 5006 5007 /************************************************************************ 5008 * ixgbe_disable_intr_internal 5009 ************************************************************************/ 5010 static void 5011 ixgbe_disable_intr_internal(struct adapter *adapter, bool nestok) 5012 { 5013 struct ix_queue *que = adapter->queues; 5014 5015 /* disable interrupts other than queues */ 5016 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, ~IXGBE_EIMC_RTX_QUEUE); 5017 5018 if (adapter->msix_mem) 5019 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIAC, 0); 5020 5021 for (int i = 0; i < adapter->num_queues; i++, que++) 5022 ixgbe_disable_queue_internal(adapter, que->msix, nestok); 5023 5024 IXGBE_WRITE_FLUSH(&adapter->hw); 5025 5026 } /* ixgbe_do_disable_intr_internal */ 5027 5028 /************************************************************************ 5029 * ixgbe_disable_intr 5030 ************************************************************************/ 5031 static void 5032 ixgbe_disable_intr(struct adapter *adapter) 5033 { 5034 5035 ixgbe_disable_intr_internal(adapter, true); 5036 } /* ixgbe_disable_intr */ 5037 5038 /************************************************************************ 5039 * ixgbe_ensure_disabled_intr 5040 ************************************************************************/ 5041 void 5042 ixgbe_ensure_disabled_intr(struct adapter *adapter) 5043 { 5044 5045 ixgbe_disable_intr_internal(adapter, false); 5046 } /* ixgbe_ensure_disabled_intr */ 5047 5048 /************************************************************************ 5049 * ixgbe_legacy_irq - Legacy Interrupt Service routine 5050 ************************************************************************/ 5051 static int 5052 ixgbe_legacy_irq(void *arg) 5053 { 5054 struct ix_queue *que = arg; 5055 struct adapter *adapter = que->adapter; 5056 struct ixgbe_hw *hw = &adapter->hw; 5057 struct ifnet *ifp = adapter->ifp; 5058 struct tx_ring *txr = adapter->tx_rings; 5059 bool more = false; 5060 u32 eicr, eicr_mask; 5061 5062 /* Silicon errata #26 on 82598 */ 5063 IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_IRQ_CLEAR_MASK); 5064 5065 eicr = IXGBE_READ_REG(hw, IXGBE_EICR); 5066 5067 adapter->stats.pf.legint.ev_count++; 5068 ++que->irqs.ev_count; 5069 if (eicr == 0) { 5070 adapter->stats.pf.intzero.ev_count++; 5071 if ((ifp->if_flags & IFF_UP) != 0) 5072 ixgbe_enable_intr(adapter); 5073 return 0; 5074 } 5075 5076 if ((ifp->if_flags & IFF_RUNNING) != 0) { 5077 /* 5078 * The same as ixgbe_msix_que() about "que->txrx_use_workqueue". 5079 */ 5080 que->txrx_use_workqueue = adapter->txrx_use_workqueue; 5081 5082 #ifdef __NetBSD__ 5083 /* Don't run ixgbe_rxeof in interrupt context */ 5084 more = true; 5085 #else 5086 more = ixgbe_rxeof(que); 5087 #endif 5088 5089 IXGBE_TX_LOCK(txr); 5090 ixgbe_txeof(txr); 5091 #ifdef notyet 5092 if (!ixgbe_ring_empty(ifp, txr->br)) 5093 ixgbe_start_locked(ifp, txr); 5094 #endif 5095 IXGBE_TX_UNLOCK(txr); 5096 } 5097 5098 /* Check for fan failure */ 5099 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) { 5100 ixgbe_check_fan_failure(adapter, eicr, true); 5101 IXGBE_WRITE_REG(hw, IXGBE_EIMS, IXGBE_EICR_GPI_SDP1_BY_MAC(hw)); 5102 } 5103 5104 /* Link status change */ 5105 if (eicr & IXGBE_EICR_LSC) 5106 softint_schedule(adapter->link_si); 5107 5108 if (ixgbe_is_sfp(hw)) { 5109 /* Pluggable optics-related interrupt */ 5110 if (hw->mac.type >= ixgbe_mac_X540) 5111 eicr_mask = IXGBE_EICR_GPI_SDP0_X540; 5112 else 5113 eicr_mask = IXGBE_EICR_GPI_SDP2_BY_MAC(hw); 5114 5115 if (eicr & eicr_mask) { 5116 IXGBE_WRITE_REG(hw, IXGBE_EICR, eicr_mask); 5117 softint_schedule(adapter->mod_si); 5118 } 5119 5120 if ((hw->mac.type == ixgbe_mac_82599EB) && 5121 (eicr & IXGBE_EICR_GPI_SDP1_BY_MAC(hw))) { 5122 IXGBE_WRITE_REG(hw, IXGBE_EICR, 5123 IXGBE_EICR_GPI_SDP1_BY_MAC(hw)); 5124 softint_schedule(adapter->msf_si); 5125 } 5126 } 5127 5128 /* External PHY interrupt */ 5129 if ((hw->phy.type == ixgbe_phy_x550em_ext_t) && 5130 (eicr & IXGBE_EICR_GPI_SDP0_X540)) 5131 softint_schedule(adapter->phy_si); 5132 5133 if (more) { 5134 que->req.ev_count++; 5135 ixgbe_sched_handle_que(adapter, que); 5136 } else 5137 ixgbe_enable_intr(adapter); 5138 5139 return 1; 5140 } /* ixgbe_legacy_irq */ 5141 5142 /************************************************************************ 5143 * ixgbe_free_pciintr_resources 5144 ************************************************************************/ 5145 static void 5146 ixgbe_free_pciintr_resources(struct adapter *adapter) 5147 { 5148 struct ix_queue *que = adapter->queues; 5149 int rid; 5150 5151 /* 5152 * Release all msix queue resources: 5153 */ 5154 for (int i = 0; i < adapter->num_queues; i++, que++) { 5155 if (que->res != NULL) { 5156 pci_intr_disestablish(adapter->osdep.pc, 5157 adapter->osdep.ihs[i]); 5158 adapter->osdep.ihs[i] = NULL; 5159 } 5160 } 5161 5162 /* Clean the Legacy or Link interrupt last */ 5163 if (adapter->vector) /* we are doing MSIX */ 5164 rid = adapter->vector; 5165 else 5166 rid = 0; 5167 5168 if (adapter->osdep.ihs[rid] != NULL) { 5169 pci_intr_disestablish(adapter->osdep.pc, 5170 adapter->osdep.ihs[rid]); 5171 adapter->osdep.ihs[rid] = NULL; 5172 } 5173 5174 if (adapter->osdep.intrs != NULL) { 5175 pci_intr_release(adapter->osdep.pc, adapter->osdep.intrs, 5176 adapter->osdep.nintrs); 5177 adapter->osdep.intrs = NULL; 5178 } 5179 } /* ixgbe_free_pciintr_resources */ 5180 5181 /************************************************************************ 5182 * ixgbe_free_pci_resources 5183 ************************************************************************/ 5184 static void 5185 ixgbe_free_pci_resources(struct adapter *adapter) 5186 { 5187 5188 ixgbe_free_pciintr_resources(adapter); 5189 5190 if (adapter->osdep.mem_size != 0) { 5191 bus_space_unmap(adapter->osdep.mem_bus_space_tag, 5192 adapter->osdep.mem_bus_space_handle, 5193 adapter->osdep.mem_size); 5194 } 5195 5196 } /* ixgbe_free_pci_resources */ 5197 5198 /************************************************************************ 5199 * ixgbe_set_sysctl_value 5200 ************************************************************************/ 5201 static void 5202 ixgbe_set_sysctl_value(struct adapter *adapter, const char *name, 5203 const char *description, int *limit, int value) 5204 { 5205 device_t dev = adapter->dev; 5206 struct sysctllog **log; 5207 const struct sysctlnode *rnode, *cnode; 5208 5209 /* 5210 * It's not required to check recovery mode because this function never 5211 * touches hardware. 5212 */ 5213 5214 log = &adapter->sysctllog; 5215 if ((rnode = ixgbe_sysctl_instance(adapter)) == NULL) { 5216 aprint_error_dev(dev, "could not create sysctl root\n"); 5217 return; 5218 } 5219 if (sysctl_createv(log, 0, &rnode, &cnode, 5220 CTLFLAG_READWRITE, CTLTYPE_INT, 5221 name, SYSCTL_DESCR(description), 5222 NULL, 0, limit, 0, CTL_CREATE, CTL_EOL) != 0) 5223 aprint_error_dev(dev, "could not create sysctl\n"); 5224 *limit = value; 5225 } /* ixgbe_set_sysctl_value */ 5226 5227 /************************************************************************ 5228 * ixgbe_sysctl_flowcntl 5229 * 5230 * SYSCTL wrapper around setting Flow Control 5231 ************************************************************************/ 5232 static int 5233 ixgbe_sysctl_flowcntl(SYSCTLFN_ARGS) 5234 { 5235 struct sysctlnode node = *rnode; 5236 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5237 int error, fc; 5238 5239 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5240 return (EPERM); 5241 5242 fc = adapter->hw.fc.current_mode; 5243 node.sysctl_data = &fc; 5244 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5245 if (error != 0 || newp == NULL) 5246 return error; 5247 5248 /* Don't bother if it's not changed */ 5249 if (fc == adapter->hw.fc.current_mode) 5250 return (0); 5251 5252 return ixgbe_set_flowcntl(adapter, fc); 5253 } /* ixgbe_sysctl_flowcntl */ 5254 5255 /************************************************************************ 5256 * ixgbe_set_flowcntl - Set flow control 5257 * 5258 * Flow control values: 5259 * 0 - off 5260 * 1 - rx pause 5261 * 2 - tx pause 5262 * 3 - full 5263 ************************************************************************/ 5264 static int 5265 ixgbe_set_flowcntl(struct adapter *adapter, int fc) 5266 { 5267 switch (fc) { 5268 case ixgbe_fc_rx_pause: 5269 case ixgbe_fc_tx_pause: 5270 case ixgbe_fc_full: 5271 adapter->hw.fc.requested_mode = fc; 5272 if (adapter->num_queues > 1) 5273 ixgbe_disable_rx_drop(adapter); 5274 break; 5275 case ixgbe_fc_none: 5276 adapter->hw.fc.requested_mode = ixgbe_fc_none; 5277 if (adapter->num_queues > 1) 5278 ixgbe_enable_rx_drop(adapter); 5279 break; 5280 default: 5281 return (EINVAL); 5282 } 5283 5284 #if 0 /* XXX NetBSD */ 5285 /* Don't autoneg if forcing a value */ 5286 adapter->hw.fc.disable_fc_autoneg = TRUE; 5287 #endif 5288 ixgbe_fc_enable(&adapter->hw); 5289 5290 return (0); 5291 } /* ixgbe_set_flowcntl */ 5292 5293 /************************************************************************ 5294 * ixgbe_enable_rx_drop 5295 * 5296 * Enable the hardware to drop packets when the buffer is 5297 * full. This is useful with multiqueue, so that no single 5298 * queue being full stalls the entire RX engine. We only 5299 * enable this when Multiqueue is enabled AND Flow Control 5300 * is disabled. 5301 ************************************************************************/ 5302 static void 5303 ixgbe_enable_rx_drop(struct adapter *adapter) 5304 { 5305 struct ixgbe_hw *hw = &adapter->hw; 5306 struct rx_ring *rxr; 5307 u32 srrctl; 5308 5309 for (int i = 0; i < adapter->num_queues; i++) { 5310 rxr = &adapter->rx_rings[i]; 5311 srrctl = IXGBE_READ_REG(hw, IXGBE_SRRCTL(rxr->me)); 5312 srrctl |= IXGBE_SRRCTL_DROP_EN; 5313 IXGBE_WRITE_REG(hw, IXGBE_SRRCTL(rxr->me), srrctl); 5314 } 5315 5316 /* enable drop for each vf */ 5317 for (int i = 0; i < adapter->num_vfs; i++) { 5318 IXGBE_WRITE_REG(hw, IXGBE_QDE, 5319 (IXGBE_QDE_WRITE | (i << IXGBE_QDE_IDX_SHIFT) | 5320 IXGBE_QDE_ENABLE)); 5321 } 5322 } /* ixgbe_enable_rx_drop */ 5323 5324 /************************************************************************ 5325 * ixgbe_disable_rx_drop 5326 ************************************************************************/ 5327 static void 5328 ixgbe_disable_rx_drop(struct adapter *adapter) 5329 { 5330 struct ixgbe_hw *hw = &adapter->hw; 5331 struct rx_ring *rxr; 5332 u32 srrctl; 5333 5334 for (int i = 0; i < adapter->num_queues; i++) { 5335 rxr = &adapter->rx_rings[i]; 5336 srrctl = IXGBE_READ_REG(hw, IXGBE_SRRCTL(rxr->me)); 5337 srrctl &= ~IXGBE_SRRCTL_DROP_EN; 5338 IXGBE_WRITE_REG(hw, IXGBE_SRRCTL(rxr->me), srrctl); 5339 } 5340 5341 /* disable drop for each vf */ 5342 for (int i = 0; i < adapter->num_vfs; i++) { 5343 IXGBE_WRITE_REG(hw, IXGBE_QDE, 5344 (IXGBE_QDE_WRITE | (i << IXGBE_QDE_IDX_SHIFT))); 5345 } 5346 } /* ixgbe_disable_rx_drop */ 5347 5348 /************************************************************************ 5349 * ixgbe_sysctl_advertise 5350 * 5351 * SYSCTL wrapper around setting advertised speed 5352 ************************************************************************/ 5353 static int 5354 ixgbe_sysctl_advertise(SYSCTLFN_ARGS) 5355 { 5356 struct sysctlnode node = *rnode; 5357 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5358 int error = 0, advertise; 5359 5360 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5361 return (EPERM); 5362 5363 advertise = adapter->advertise; 5364 node.sysctl_data = &advertise; 5365 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5366 if (error != 0 || newp == NULL) 5367 return error; 5368 5369 return ixgbe_set_advertise(adapter, advertise); 5370 } /* ixgbe_sysctl_advertise */ 5371 5372 /************************************************************************ 5373 * ixgbe_set_advertise - Control advertised link speed 5374 * 5375 * Flags: 5376 * 0x00 - Default (all capable link speed) 5377 * 0x01 - advertise 100 Mb 5378 * 0x02 - advertise 1G 5379 * 0x04 - advertise 10G 5380 * 0x08 - advertise 10 Mb 5381 * 0x10 - advertise 2.5G 5382 * 0x20 - advertise 5G 5383 ************************************************************************/ 5384 static int 5385 ixgbe_set_advertise(struct adapter *adapter, int advertise) 5386 { 5387 device_t dev; 5388 struct ixgbe_hw *hw; 5389 ixgbe_link_speed speed = 0; 5390 ixgbe_link_speed link_caps = 0; 5391 s32 err = IXGBE_NOT_IMPLEMENTED; 5392 bool negotiate = FALSE; 5393 5394 /* Checks to validate new value */ 5395 if (adapter->advertise == advertise) /* no change */ 5396 return (0); 5397 5398 dev = adapter->dev; 5399 hw = &adapter->hw; 5400 5401 /* No speed changes for backplane media */ 5402 if (hw->phy.media_type == ixgbe_media_type_backplane) 5403 return (ENODEV); 5404 5405 if (!((hw->phy.media_type == ixgbe_media_type_copper) || 5406 (hw->phy.multispeed_fiber))) { 5407 device_printf(dev, 5408 "Advertised speed can only be set on copper or " 5409 "multispeed fiber media types.\n"); 5410 return (EINVAL); 5411 } 5412 5413 if (advertise < 0x0 || advertise > 0x2f) { 5414 device_printf(dev, 5415 "Invalid advertised speed; valid modes are 0x0 through 0x7\n"); 5416 return (EINVAL); 5417 } 5418 5419 if (hw->mac.ops.get_link_capabilities) { 5420 err = hw->mac.ops.get_link_capabilities(hw, &link_caps, 5421 &negotiate); 5422 if (err != IXGBE_SUCCESS) { 5423 device_printf(dev, "Unable to determine supported advertise speeds\n"); 5424 return (ENODEV); 5425 } 5426 } 5427 5428 /* Set new value and report new advertised mode */ 5429 if (advertise & 0x1) { 5430 if (!(link_caps & IXGBE_LINK_SPEED_100_FULL)) { 5431 device_printf(dev, "Interface does not support 100Mb advertised speed\n"); 5432 return (EINVAL); 5433 } 5434 speed |= IXGBE_LINK_SPEED_100_FULL; 5435 } 5436 if (advertise & 0x2) { 5437 if (!(link_caps & IXGBE_LINK_SPEED_1GB_FULL)) { 5438 device_printf(dev, "Interface does not support 1Gb advertised speed\n"); 5439 return (EINVAL); 5440 } 5441 speed |= IXGBE_LINK_SPEED_1GB_FULL; 5442 } 5443 if (advertise & 0x4) { 5444 if (!(link_caps & IXGBE_LINK_SPEED_10GB_FULL)) { 5445 device_printf(dev, "Interface does not support 10Gb advertised speed\n"); 5446 return (EINVAL); 5447 } 5448 speed |= IXGBE_LINK_SPEED_10GB_FULL; 5449 } 5450 if (advertise & 0x8) { 5451 if (!(link_caps & IXGBE_LINK_SPEED_10_FULL)) { 5452 device_printf(dev, "Interface does not support 10Mb advertised speed\n"); 5453 return (EINVAL); 5454 } 5455 speed |= IXGBE_LINK_SPEED_10_FULL; 5456 } 5457 if (advertise & 0x10) { 5458 if (!(link_caps & IXGBE_LINK_SPEED_2_5GB_FULL)) { 5459 device_printf(dev, "Interface does not support 2.5Gb advertised speed\n"); 5460 return (EINVAL); 5461 } 5462 speed |= IXGBE_LINK_SPEED_2_5GB_FULL; 5463 } 5464 if (advertise & 0x20) { 5465 if (!(link_caps & IXGBE_LINK_SPEED_5GB_FULL)) { 5466 device_printf(dev, "Interface does not support 5Gb advertised speed\n"); 5467 return (EINVAL); 5468 } 5469 speed |= IXGBE_LINK_SPEED_5GB_FULL; 5470 } 5471 if (advertise == 0) 5472 speed = link_caps; /* All capable link speed */ 5473 5474 hw->mac.autotry_restart = TRUE; 5475 hw->mac.ops.setup_link(hw, speed, TRUE); 5476 adapter->advertise = advertise; 5477 5478 return (0); 5479 } /* ixgbe_set_advertise */ 5480 5481 /************************************************************************ 5482 * ixgbe_get_advertise - Get current advertised speed settings 5483 * 5484 * Formatted for sysctl usage. 5485 * Flags: 5486 * 0x01 - advertise 100 Mb 5487 * 0x02 - advertise 1G 5488 * 0x04 - advertise 10G 5489 * 0x08 - advertise 10 Mb (yes, Mb) 5490 * 0x10 - advertise 2.5G 5491 * 0x20 - advertise 5G 5492 ************************************************************************/ 5493 static int 5494 ixgbe_get_advertise(struct adapter *adapter) 5495 { 5496 struct ixgbe_hw *hw = &adapter->hw; 5497 int speed; 5498 ixgbe_link_speed link_caps = 0; 5499 s32 err; 5500 bool negotiate = FALSE; 5501 5502 /* 5503 * Advertised speed means nothing unless it's copper or 5504 * multi-speed fiber 5505 */ 5506 if (!(hw->phy.media_type == ixgbe_media_type_copper) && 5507 !(hw->phy.multispeed_fiber)) 5508 return (0); 5509 5510 err = hw->mac.ops.get_link_capabilities(hw, &link_caps, &negotiate); 5511 if (err != IXGBE_SUCCESS) 5512 return (0); 5513 5514 speed = 5515 ((link_caps & IXGBE_LINK_SPEED_10GB_FULL) ? 0x04 : 0) | 5516 ((link_caps & IXGBE_LINK_SPEED_1GB_FULL) ? 0x02 : 0) | 5517 ((link_caps & IXGBE_LINK_SPEED_100_FULL) ? 0x01 : 0) | 5518 ((link_caps & IXGBE_LINK_SPEED_10_FULL) ? 0x08 : 0) | 5519 ((link_caps & IXGBE_LINK_SPEED_2_5GB_FULL) ? 0x10 : 0) | 5520 ((link_caps & IXGBE_LINK_SPEED_5GB_FULL) ? 0x20 : 0); 5521 5522 return speed; 5523 } /* ixgbe_get_advertise */ 5524 5525 /************************************************************************ 5526 * ixgbe_sysctl_dmac - Manage DMA Coalescing 5527 * 5528 * Control values: 5529 * 0/1 - off / on (use default value of 1000) 5530 * 5531 * Legal timer values are: 5532 * 50,100,250,500,1000,2000,5000,10000 5533 * 5534 * Turning off interrupt moderation will also turn this off. 5535 ************************************************************************/ 5536 static int 5537 ixgbe_sysctl_dmac(SYSCTLFN_ARGS) 5538 { 5539 struct sysctlnode node = *rnode; 5540 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5541 struct ifnet *ifp = adapter->ifp; 5542 int error; 5543 int newval; 5544 5545 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5546 return (EPERM); 5547 5548 newval = adapter->dmac; 5549 node.sysctl_data = &newval; 5550 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5551 if ((error) || (newp == NULL)) 5552 return (error); 5553 5554 switch (newval) { 5555 case 0: 5556 /* Disabled */ 5557 adapter->dmac = 0; 5558 break; 5559 case 1: 5560 /* Enable and use default */ 5561 adapter->dmac = 1000; 5562 break; 5563 case 50: 5564 case 100: 5565 case 250: 5566 case 500: 5567 case 1000: 5568 case 2000: 5569 case 5000: 5570 case 10000: 5571 /* Legal values - allow */ 5572 adapter->dmac = newval; 5573 break; 5574 default: 5575 /* Do nothing, illegal value */ 5576 return (EINVAL); 5577 } 5578 5579 /* Re-initialize hardware if it's already running */ 5580 if (ifp->if_flags & IFF_RUNNING) 5581 ifp->if_init(ifp); 5582 5583 return (0); 5584 } 5585 5586 #ifdef IXGBE_DEBUG 5587 /************************************************************************ 5588 * ixgbe_sysctl_power_state 5589 * 5590 * Sysctl to test power states 5591 * Values: 5592 * 0 - set device to D0 5593 * 3 - set device to D3 5594 * (none) - get current device power state 5595 ************************************************************************/ 5596 static int 5597 ixgbe_sysctl_power_state(SYSCTLFN_ARGS) 5598 { 5599 #ifdef notyet 5600 struct sysctlnode node = *rnode; 5601 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5602 device_t dev = adapter->dev; 5603 int curr_ps, new_ps, error = 0; 5604 5605 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5606 return (EPERM); 5607 5608 curr_ps = new_ps = pci_get_powerstate(dev); 5609 5610 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5611 if ((error) || (req->newp == NULL)) 5612 return (error); 5613 5614 if (new_ps == curr_ps) 5615 return (0); 5616 5617 if (new_ps == 3 && curr_ps == 0) 5618 error = DEVICE_SUSPEND(dev); 5619 else if (new_ps == 0 && curr_ps == 3) 5620 error = DEVICE_RESUME(dev); 5621 else 5622 return (EINVAL); 5623 5624 device_printf(dev, "New state: %d\n", pci_get_powerstate(dev)); 5625 5626 return (error); 5627 #else 5628 return 0; 5629 #endif 5630 } /* ixgbe_sysctl_power_state */ 5631 #endif 5632 5633 /************************************************************************ 5634 * ixgbe_sysctl_wol_enable 5635 * 5636 * Sysctl to enable/disable the WoL capability, 5637 * if supported by the adapter. 5638 * 5639 * Values: 5640 * 0 - disabled 5641 * 1 - enabled 5642 ************************************************************************/ 5643 static int 5644 ixgbe_sysctl_wol_enable(SYSCTLFN_ARGS) 5645 { 5646 struct sysctlnode node = *rnode; 5647 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5648 struct ixgbe_hw *hw = &adapter->hw; 5649 bool new_wol_enabled; 5650 int error = 0; 5651 5652 /* 5653 * It's not required to check recovery mode because this function never 5654 * touches hardware. 5655 */ 5656 new_wol_enabled = hw->wol_enabled; 5657 node.sysctl_data = &new_wol_enabled; 5658 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5659 if ((error) || (newp == NULL)) 5660 return (error); 5661 if (new_wol_enabled == hw->wol_enabled) 5662 return (0); 5663 5664 if (new_wol_enabled && !adapter->wol_support) 5665 return (ENODEV); 5666 else 5667 hw->wol_enabled = new_wol_enabled; 5668 5669 return (0); 5670 } /* ixgbe_sysctl_wol_enable */ 5671 5672 /************************************************************************ 5673 * ixgbe_sysctl_wufc - Wake Up Filter Control 5674 * 5675 * Sysctl to enable/disable the types of packets that the 5676 * adapter will wake up on upon receipt. 5677 * Flags: 5678 * 0x1 - Link Status Change 5679 * 0x2 - Magic Packet 5680 * 0x4 - Direct Exact 5681 * 0x8 - Directed Multicast 5682 * 0x10 - Broadcast 5683 * 0x20 - ARP/IPv4 Request Packet 5684 * 0x40 - Direct IPv4 Packet 5685 * 0x80 - Direct IPv6 Packet 5686 * 5687 * Settings not listed above will cause the sysctl to return an error. 5688 ************************************************************************/ 5689 static int 5690 ixgbe_sysctl_wufc(SYSCTLFN_ARGS) 5691 { 5692 struct sysctlnode node = *rnode; 5693 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5694 int error = 0; 5695 u32 new_wufc; 5696 5697 /* 5698 * It's not required to check recovery mode because this function never 5699 * touches hardware. 5700 */ 5701 new_wufc = adapter->wufc; 5702 node.sysctl_data = &new_wufc; 5703 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5704 if ((error) || (newp == NULL)) 5705 return (error); 5706 if (new_wufc == adapter->wufc) 5707 return (0); 5708 5709 if (new_wufc & 0xffffff00) 5710 return (EINVAL); 5711 5712 new_wufc &= 0xff; 5713 new_wufc |= (0xffffff & adapter->wufc); 5714 adapter->wufc = new_wufc; 5715 5716 return (0); 5717 } /* ixgbe_sysctl_wufc */ 5718 5719 #ifdef IXGBE_DEBUG 5720 /************************************************************************ 5721 * ixgbe_sysctl_print_rss_config 5722 ************************************************************************/ 5723 static int 5724 ixgbe_sysctl_print_rss_config(SYSCTLFN_ARGS) 5725 { 5726 #ifdef notyet 5727 struct sysctlnode node = *rnode; 5728 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5729 struct ixgbe_hw *hw = &adapter->hw; 5730 device_t dev = adapter->dev; 5731 struct sbuf *buf; 5732 int error = 0, reta_size; 5733 u32 reg; 5734 5735 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5736 return (EPERM); 5737 5738 buf = sbuf_new_for_sysctl(NULL, NULL, 128, req); 5739 if (!buf) { 5740 device_printf(dev, "Could not allocate sbuf for output.\n"); 5741 return (ENOMEM); 5742 } 5743 5744 // TODO: use sbufs to make a string to print out 5745 /* Set multiplier for RETA setup and table size based on MAC */ 5746 switch (adapter->hw.mac.type) { 5747 case ixgbe_mac_X550: 5748 case ixgbe_mac_X550EM_x: 5749 case ixgbe_mac_X550EM_a: 5750 reta_size = 128; 5751 break; 5752 default: 5753 reta_size = 32; 5754 break; 5755 } 5756 5757 /* Print out the redirection table */ 5758 sbuf_cat(buf, "\n"); 5759 for (int i = 0; i < reta_size; i++) { 5760 if (i < 32) { 5761 reg = IXGBE_READ_REG(hw, IXGBE_RETA(i)); 5762 sbuf_printf(buf, "RETA(%2d): 0x%08x\n", i, reg); 5763 } else { 5764 reg = IXGBE_READ_REG(hw, IXGBE_ERETA(i - 32)); 5765 sbuf_printf(buf, "ERETA(%2d): 0x%08x\n", i - 32, reg); 5766 } 5767 } 5768 5769 // TODO: print more config 5770 5771 error = sbuf_finish(buf); 5772 if (error) 5773 device_printf(dev, "Error finishing sbuf: %d\n", error); 5774 5775 sbuf_delete(buf); 5776 #endif 5777 return (0); 5778 } /* ixgbe_sysctl_print_rss_config */ 5779 #endif /* IXGBE_DEBUG */ 5780 5781 /************************************************************************ 5782 * ixgbe_sysctl_phy_temp - Retrieve temperature of PHY 5783 * 5784 * For X552/X557-AT devices using an external PHY 5785 ************************************************************************/ 5786 static int 5787 ixgbe_sysctl_phy_temp(SYSCTLFN_ARGS) 5788 { 5789 struct sysctlnode node = *rnode; 5790 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5791 struct ixgbe_hw *hw = &adapter->hw; 5792 int val; 5793 u16 reg; 5794 int error; 5795 5796 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5797 return (EPERM); 5798 5799 if (hw->device_id != IXGBE_DEV_ID_X550EM_X_10G_T) { 5800 device_printf(adapter->dev, 5801 "Device has no supported external thermal sensor.\n"); 5802 return (ENODEV); 5803 } 5804 5805 if (hw->phy.ops.read_reg(hw, IXGBE_PHY_CURRENT_TEMP, 5806 IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, ®)) { 5807 device_printf(adapter->dev, 5808 "Error reading from PHY's current temperature register\n"); 5809 return (EAGAIN); 5810 } 5811 5812 node.sysctl_data = &val; 5813 5814 /* Shift temp for output */ 5815 val = reg >> 8; 5816 5817 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5818 if ((error) || (newp == NULL)) 5819 return (error); 5820 5821 return (0); 5822 } /* ixgbe_sysctl_phy_temp */ 5823 5824 /************************************************************************ 5825 * ixgbe_sysctl_phy_overtemp_occurred 5826 * 5827 * Reports (directly from the PHY) whether the current PHY 5828 * temperature is over the overtemp threshold. 5829 ************************************************************************/ 5830 static int 5831 ixgbe_sysctl_phy_overtemp_occurred(SYSCTLFN_ARGS) 5832 { 5833 struct sysctlnode node = *rnode; 5834 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5835 struct ixgbe_hw *hw = &adapter->hw; 5836 int val, error; 5837 u16 reg; 5838 5839 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5840 return (EPERM); 5841 5842 if (hw->device_id != IXGBE_DEV_ID_X550EM_X_10G_T) { 5843 device_printf(adapter->dev, 5844 "Device has no supported external thermal sensor.\n"); 5845 return (ENODEV); 5846 } 5847 5848 if (hw->phy.ops.read_reg(hw, IXGBE_PHY_OVERTEMP_STATUS, 5849 IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, ®)) { 5850 device_printf(adapter->dev, 5851 "Error reading from PHY's temperature status register\n"); 5852 return (EAGAIN); 5853 } 5854 5855 node.sysctl_data = &val; 5856 5857 /* Get occurrence bit */ 5858 val = !!(reg & 0x4000); 5859 5860 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5861 if ((error) || (newp == NULL)) 5862 return (error); 5863 5864 return (0); 5865 } /* ixgbe_sysctl_phy_overtemp_occurred */ 5866 5867 /************************************************************************ 5868 * ixgbe_sysctl_eee_state 5869 * 5870 * Sysctl to set EEE power saving feature 5871 * Values: 5872 * 0 - disable EEE 5873 * 1 - enable EEE 5874 * (none) - get current device EEE state 5875 ************************************************************************/ 5876 static int 5877 ixgbe_sysctl_eee_state(SYSCTLFN_ARGS) 5878 { 5879 struct sysctlnode node = *rnode; 5880 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5881 struct ifnet *ifp = adapter->ifp; 5882 device_t dev = adapter->dev; 5883 int curr_eee, new_eee, error = 0; 5884 s32 retval; 5885 5886 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5887 return (EPERM); 5888 5889 curr_eee = new_eee = !!(adapter->feat_en & IXGBE_FEATURE_EEE); 5890 node.sysctl_data = &new_eee; 5891 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5892 if ((error) || (newp == NULL)) 5893 return (error); 5894 5895 /* Nothing to do */ 5896 if (new_eee == curr_eee) 5897 return (0); 5898 5899 /* Not supported */ 5900 if (!(adapter->feat_cap & IXGBE_FEATURE_EEE)) 5901 return (EINVAL); 5902 5903 /* Bounds checking */ 5904 if ((new_eee < 0) || (new_eee > 1)) 5905 return (EINVAL); 5906 5907 retval = adapter->hw.mac.ops.setup_eee(&adapter->hw, new_eee); 5908 if (retval) { 5909 device_printf(dev, "Error in EEE setup: 0x%08X\n", retval); 5910 return (EINVAL); 5911 } 5912 5913 /* Restart auto-neg */ 5914 ifp->if_init(ifp); 5915 5916 device_printf(dev, "New EEE state: %d\n", new_eee); 5917 5918 /* Cache new value */ 5919 if (new_eee) 5920 adapter->feat_en |= IXGBE_FEATURE_EEE; 5921 else 5922 adapter->feat_en &= ~IXGBE_FEATURE_EEE; 5923 5924 return (error); 5925 } /* ixgbe_sysctl_eee_state */ 5926 5927 #define PRINTQS(adapter, regname) \ 5928 do { \ 5929 struct ixgbe_hw *_hw = &(adapter)->hw; \ 5930 int _i; \ 5931 \ 5932 printf("%s: %s", device_xname((adapter)->dev), #regname); \ 5933 for (_i = 0; _i < (adapter)->num_queues; _i++) { \ 5934 printf((_i == 0) ? "\t" : " "); \ 5935 printf("%08x", IXGBE_READ_REG(_hw, \ 5936 IXGBE_##regname(_i))); \ 5937 } \ 5938 printf("\n"); \ 5939 } while (0) 5940 5941 /************************************************************************ 5942 * ixgbe_print_debug_info 5943 * 5944 * Called only when em_display_debug_stats is enabled. 5945 * Provides a way to take a look at important statistics 5946 * maintained by the driver and hardware. 5947 ************************************************************************/ 5948 static void 5949 ixgbe_print_debug_info(struct adapter *adapter) 5950 { 5951 device_t dev = adapter->dev; 5952 struct ixgbe_hw *hw = &adapter->hw; 5953 int table_size; 5954 int i; 5955 5956 switch (adapter->hw.mac.type) { 5957 case ixgbe_mac_X550: 5958 case ixgbe_mac_X550EM_x: 5959 case ixgbe_mac_X550EM_a: 5960 table_size = 128; 5961 break; 5962 default: 5963 table_size = 32; 5964 break; 5965 } 5966 5967 device_printf(dev, "[E]RETA:\n"); 5968 for (i = 0; i < table_size; i++) { 5969 if (i < 32) 5970 printf("%02x: %08x\n", i, IXGBE_READ_REG(hw, 5971 IXGBE_RETA(i))); 5972 else 5973 printf("%02x: %08x\n", i, IXGBE_READ_REG(hw, 5974 IXGBE_ERETA(i - 32))); 5975 } 5976 5977 device_printf(dev, "queue:"); 5978 for (i = 0; i < adapter->num_queues; i++) { 5979 printf((i == 0) ? "\t" : " "); 5980 printf("%8d", i); 5981 } 5982 printf("\n"); 5983 PRINTQS(adapter, RDBAL); 5984 PRINTQS(adapter, RDBAH); 5985 PRINTQS(adapter, RDLEN); 5986 PRINTQS(adapter, SRRCTL); 5987 PRINTQS(adapter, RDH); 5988 PRINTQS(adapter, RDT); 5989 PRINTQS(adapter, RXDCTL); 5990 5991 device_printf(dev, "RQSMR:"); 5992 for (i = 0; i < adapter->num_queues / 4; i++) { 5993 printf((i == 0) ? "\t" : " "); 5994 printf("%08x", IXGBE_READ_REG(hw, IXGBE_RQSMR(i))); 5995 } 5996 printf("\n"); 5997 5998 device_printf(dev, "disabled_count:"); 5999 for (i = 0; i < adapter->num_queues; i++) { 6000 printf((i == 0) ? "\t" : " "); 6001 printf("%8d", adapter->queues[i].disabled_count); 6002 } 6003 printf("\n"); 6004 6005 device_printf(dev, "EIMS:\t%08x\n", IXGBE_READ_REG(hw, IXGBE_EIMS)); 6006 if (hw->mac.type != ixgbe_mac_82598EB) { 6007 device_printf(dev, "EIMS_EX(0):\t%08x\n", 6008 IXGBE_READ_REG(hw, IXGBE_EIMS_EX(0))); 6009 device_printf(dev, "EIMS_EX(1):\t%08x\n", 6010 IXGBE_READ_REG(hw, IXGBE_EIMS_EX(1))); 6011 } 6012 } /* ixgbe_print_debug_info */ 6013 6014 /************************************************************************ 6015 * ixgbe_sysctl_debug 6016 ************************************************************************/ 6017 static int 6018 ixgbe_sysctl_debug(SYSCTLFN_ARGS) 6019 { 6020 struct sysctlnode node = *rnode; 6021 struct adapter *adapter = (struct adapter *)node.sysctl_data; 6022 int error, result = 0; 6023 6024 if (ixgbe_fw_recovery_mode_swflag(adapter)) 6025 return (EPERM); 6026 6027 node.sysctl_data = &result; 6028 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 6029 6030 if (error || newp == NULL) 6031 return error; 6032 6033 if (result == 1) 6034 ixgbe_print_debug_info(adapter); 6035 6036 return 0; 6037 } /* ixgbe_sysctl_debug */ 6038 6039 /************************************************************************ 6040 * ixgbe_init_device_features 6041 ************************************************************************/ 6042 static void 6043 ixgbe_init_device_features(struct adapter *adapter) 6044 { 6045 adapter->feat_cap = IXGBE_FEATURE_NETMAP 6046 | IXGBE_FEATURE_RSS 6047 | IXGBE_FEATURE_MSI 6048 | IXGBE_FEATURE_MSIX 6049 | IXGBE_FEATURE_LEGACY_IRQ 6050 | IXGBE_FEATURE_LEGACY_TX; 6051 6052 /* Set capabilities first... */ 6053 switch (adapter->hw.mac.type) { 6054 case ixgbe_mac_82598EB: 6055 if (adapter->hw.device_id == IXGBE_DEV_ID_82598AT) 6056 adapter->feat_cap |= IXGBE_FEATURE_FAN_FAIL; 6057 break; 6058 case ixgbe_mac_X540: 6059 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 6060 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 6061 if ((adapter->hw.device_id == IXGBE_DEV_ID_X540_BYPASS) && 6062 (adapter->hw.bus.func == 0)) 6063 adapter->feat_cap |= IXGBE_FEATURE_BYPASS; 6064 break; 6065 case ixgbe_mac_X550: 6066 /* 6067 * IXGBE_FEATURE_RECOVERY_MODE will be set after reading 6068 * NVM Image version. 6069 */ 6070 adapter->feat_cap |= IXGBE_FEATURE_TEMP_SENSOR; 6071 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 6072 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 6073 break; 6074 case ixgbe_mac_X550EM_x: 6075 /* 6076 * IXGBE_FEATURE_RECOVERY_MODE will be set after reading 6077 * NVM Image version. 6078 */ 6079 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 6080 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 6081 if (adapter->hw.device_id == IXGBE_DEV_ID_X550EM_X_KR) 6082 adapter->feat_cap |= IXGBE_FEATURE_EEE; 6083 break; 6084 case ixgbe_mac_X550EM_a: 6085 /* 6086 * IXGBE_FEATURE_RECOVERY_MODE will be set after reading 6087 * NVM Image version. 6088 */ 6089 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 6090 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 6091 adapter->feat_cap &= ~IXGBE_FEATURE_LEGACY_IRQ; 6092 if ((adapter->hw.device_id == IXGBE_DEV_ID_X550EM_A_1G_T) || 6093 (adapter->hw.device_id == IXGBE_DEV_ID_X550EM_A_1G_T_L)) { 6094 adapter->feat_cap |= IXGBE_FEATURE_TEMP_SENSOR; 6095 adapter->feat_cap |= IXGBE_FEATURE_EEE; 6096 } 6097 break; 6098 case ixgbe_mac_82599EB: 6099 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 6100 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 6101 if ((adapter->hw.device_id == IXGBE_DEV_ID_82599_BYPASS) && 6102 (adapter->hw.bus.func == 0)) 6103 adapter->feat_cap |= IXGBE_FEATURE_BYPASS; 6104 if (adapter->hw.device_id == IXGBE_DEV_ID_82599_QSFP_SF_QP) 6105 adapter->feat_cap &= ~IXGBE_FEATURE_LEGACY_IRQ; 6106 break; 6107 default: 6108 break; 6109 } 6110 6111 /* Enabled by default... */ 6112 /* Fan failure detection */ 6113 if (adapter->feat_cap & IXGBE_FEATURE_FAN_FAIL) 6114 adapter->feat_en |= IXGBE_FEATURE_FAN_FAIL; 6115 /* Netmap */ 6116 if (adapter->feat_cap & IXGBE_FEATURE_NETMAP) 6117 adapter->feat_en |= IXGBE_FEATURE_NETMAP; 6118 /* EEE */ 6119 if (adapter->feat_cap & IXGBE_FEATURE_EEE) 6120 adapter->feat_en |= IXGBE_FEATURE_EEE; 6121 /* Thermal Sensor */ 6122 if (adapter->feat_cap & IXGBE_FEATURE_TEMP_SENSOR) 6123 adapter->feat_en |= IXGBE_FEATURE_TEMP_SENSOR; 6124 /* 6125 * Recovery mode: 6126 * NetBSD: IXGBE_FEATURE_RECOVERY_MODE will be controlled after reading 6127 * NVM Image version. 6128 */ 6129 6130 /* Enabled via global sysctl... */ 6131 /* Flow Director */ 6132 if (ixgbe_enable_fdir) { 6133 if (adapter->feat_cap & IXGBE_FEATURE_FDIR) 6134 adapter->feat_en |= IXGBE_FEATURE_FDIR; 6135 else 6136 device_printf(adapter->dev, "Device does not support Flow Director. Leaving disabled."); 6137 } 6138 /* Legacy (single queue) transmit */ 6139 if ((adapter->feat_cap & IXGBE_FEATURE_LEGACY_TX) && 6140 ixgbe_enable_legacy_tx) 6141 adapter->feat_en |= IXGBE_FEATURE_LEGACY_TX; 6142 /* 6143 * Message Signal Interrupts - Extended (MSI-X) 6144 * Normal MSI is only enabled if MSI-X calls fail. 6145 */ 6146 if (!ixgbe_enable_msix) 6147 adapter->feat_cap &= ~IXGBE_FEATURE_MSIX; 6148 /* Receive-Side Scaling (RSS) */ 6149 if ((adapter->feat_cap & IXGBE_FEATURE_RSS) && ixgbe_enable_rss) 6150 adapter->feat_en |= IXGBE_FEATURE_RSS; 6151 6152 /* Disable features with unmet dependencies... */ 6153 /* No MSI-X */ 6154 if (!(adapter->feat_cap & IXGBE_FEATURE_MSIX)) { 6155 adapter->feat_cap &= ~IXGBE_FEATURE_RSS; 6156 adapter->feat_cap &= ~IXGBE_FEATURE_SRIOV; 6157 adapter->feat_en &= ~IXGBE_FEATURE_RSS; 6158 adapter->feat_en &= ~IXGBE_FEATURE_SRIOV; 6159 } 6160 } /* ixgbe_init_device_features */ 6161 6162 /************************************************************************ 6163 * ixgbe_probe - Device identification routine 6164 * 6165 * Determines if the driver should be loaded on 6166 * adapter based on its PCI vendor/device ID. 6167 * 6168 * return BUS_PROBE_DEFAULT on success, positive on failure 6169 ************************************************************************/ 6170 static int 6171 ixgbe_probe(device_t dev, cfdata_t cf, void *aux) 6172 { 6173 const struct pci_attach_args *pa = aux; 6174 6175 return (ixgbe_lookup(pa) != NULL) ? 1 : 0; 6176 } 6177 6178 static const ixgbe_vendor_info_t * 6179 ixgbe_lookup(const struct pci_attach_args *pa) 6180 { 6181 const ixgbe_vendor_info_t *ent; 6182 pcireg_t subid; 6183 6184 INIT_DEBUGOUT("ixgbe_lookup: begin"); 6185 6186 if (PCI_VENDOR(pa->pa_id) != IXGBE_INTEL_VENDOR_ID) 6187 return NULL; 6188 6189 subid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG); 6190 6191 for (ent = ixgbe_vendor_info_array; ent->vendor_id != 0; ent++) { 6192 if ((PCI_VENDOR(pa->pa_id) == ent->vendor_id) && 6193 (PCI_PRODUCT(pa->pa_id) == ent->device_id) && 6194 ((PCI_SUBSYS_VENDOR(subid) == ent->subvendor_id) || 6195 (ent->subvendor_id == 0)) && 6196 ((PCI_SUBSYS_ID(subid) == ent->subdevice_id) || 6197 (ent->subdevice_id == 0))) { 6198 return ent; 6199 } 6200 } 6201 return NULL; 6202 } 6203 6204 static int 6205 ixgbe_ifflags_cb(struct ethercom *ec) 6206 { 6207 struct ifnet *ifp = &ec->ec_if; 6208 struct adapter *adapter = ifp->if_softc; 6209 int change, rv = 0; 6210 6211 IXGBE_CORE_LOCK(adapter); 6212 6213 change = ifp->if_flags ^ adapter->if_flags; 6214 if (change != 0) 6215 adapter->if_flags = ifp->if_flags; 6216 6217 if ((change & ~(IFF_CANTCHANGE | IFF_DEBUG)) != 0) { 6218 rv = ENETRESET; 6219 goto out; 6220 } else if ((change & IFF_PROMISC) != 0) 6221 ixgbe_set_promisc(adapter); 6222 6223 /* Check for ec_capenable. */ 6224 change = ec->ec_capenable ^ adapter->ec_capenable; 6225 adapter->ec_capenable = ec->ec_capenable; 6226 if ((change & ~(ETHERCAP_VLAN_MTU | ETHERCAP_VLAN_HWTAGGING 6227 | ETHERCAP_VLAN_HWFILTER)) != 0) { 6228 rv = ENETRESET; 6229 goto out; 6230 } 6231 6232 /* 6233 * Special handling is not required for ETHERCAP_VLAN_MTU. 6234 * MAXFRS(MHADD) does not include the 4bytes of the VLAN header. 6235 */ 6236 6237 /* Set up VLAN support and filter */ 6238 if ((change & (ETHERCAP_VLAN_HWTAGGING | ETHERCAP_VLAN_HWFILTER)) != 0) 6239 ixgbe_setup_vlan_hw_support(adapter); 6240 6241 out: 6242 IXGBE_CORE_UNLOCK(adapter); 6243 6244 return rv; 6245 } 6246 6247 /************************************************************************ 6248 * ixgbe_ioctl - Ioctl entry point 6249 * 6250 * Called when the user wants to configure the interface. 6251 * 6252 * return 0 on success, positive on failure 6253 ************************************************************************/ 6254 static int 6255 ixgbe_ioctl(struct ifnet * ifp, u_long command, void *data) 6256 { 6257 struct adapter *adapter = ifp->if_softc; 6258 struct ixgbe_hw *hw = &adapter->hw; 6259 struct ifcapreq *ifcr = data; 6260 struct ifreq *ifr = data; 6261 int error = 0; 6262 int l4csum_en; 6263 const int l4csum = IFCAP_CSUM_TCPv4_Rx | IFCAP_CSUM_UDPv4_Rx | 6264 IFCAP_CSUM_TCPv6_Rx | IFCAP_CSUM_UDPv6_Rx; 6265 6266 if (ixgbe_fw_recovery_mode_swflag(adapter)) 6267 return (EPERM); 6268 6269 switch (command) { 6270 case SIOCSIFFLAGS: 6271 IOCTL_DEBUGOUT("ioctl: SIOCSIFFLAGS (Set Interface Flags)"); 6272 break; 6273 case SIOCADDMULTI: 6274 case SIOCDELMULTI: 6275 IOCTL_DEBUGOUT("ioctl: SIOC(ADD|DEL)MULTI"); 6276 break; 6277 case SIOCSIFMEDIA: 6278 case SIOCGIFMEDIA: 6279 IOCTL_DEBUGOUT("ioctl: SIOCxIFMEDIA (Get/Set Interface Media)"); 6280 break; 6281 case SIOCSIFCAP: 6282 IOCTL_DEBUGOUT("ioctl: SIOCSIFCAP (Set Capabilities)"); 6283 break; 6284 case SIOCSIFMTU: 6285 IOCTL_DEBUGOUT("ioctl: SIOCSIFMTU (Set Interface MTU)"); 6286 break; 6287 #ifdef __NetBSD__ 6288 case SIOCINITIFADDR: 6289 IOCTL_DEBUGOUT("ioctl: SIOCINITIFADDR"); 6290 break; 6291 case SIOCGIFFLAGS: 6292 IOCTL_DEBUGOUT("ioctl: SIOCGIFFLAGS"); 6293 break; 6294 case SIOCGIFAFLAG_IN: 6295 IOCTL_DEBUGOUT("ioctl: SIOCGIFAFLAG_IN"); 6296 break; 6297 case SIOCGIFADDR: 6298 IOCTL_DEBUGOUT("ioctl: SIOCGIFADDR"); 6299 break; 6300 case SIOCGIFMTU: 6301 IOCTL_DEBUGOUT("ioctl: SIOCGIFMTU (Get Interface MTU)"); 6302 break; 6303 case SIOCGIFCAP: 6304 IOCTL_DEBUGOUT("ioctl: SIOCGIFCAP (Get IF cap)"); 6305 break; 6306 case SIOCGETHERCAP: 6307 IOCTL_DEBUGOUT("ioctl: SIOCGETHERCAP (Get ethercap)"); 6308 break; 6309 case SIOCGLIFADDR: 6310 IOCTL_DEBUGOUT("ioctl: SIOCGLIFADDR (Get Interface addr)"); 6311 break; 6312 case SIOCZIFDATA: 6313 IOCTL_DEBUGOUT("ioctl: SIOCZIFDATA (Zero counter)"); 6314 hw->mac.ops.clear_hw_cntrs(hw); 6315 ixgbe_clear_evcnt(adapter); 6316 break; 6317 case SIOCAIFADDR: 6318 IOCTL_DEBUGOUT("ioctl: SIOCAIFADDR (add/chg IF alias)"); 6319 break; 6320 #endif 6321 default: 6322 IOCTL_DEBUGOUT1("ioctl: UNKNOWN (0x%X)", (int)command); 6323 break; 6324 } 6325 6326 switch (command) { 6327 case SIOCGI2C: 6328 { 6329 struct ixgbe_i2c_req i2c; 6330 6331 IOCTL_DEBUGOUT("ioctl: SIOCGI2C (Get I2C Data)"); 6332 error = copyin(ifr->ifr_data, &i2c, sizeof(i2c)); 6333 if (error != 0) 6334 break; 6335 if (i2c.dev_addr != 0xA0 && i2c.dev_addr != 0xA2) { 6336 error = EINVAL; 6337 break; 6338 } 6339 if (i2c.len > sizeof(i2c.data)) { 6340 error = EINVAL; 6341 break; 6342 } 6343 6344 hw->phy.ops.read_i2c_byte(hw, i2c.offset, 6345 i2c.dev_addr, i2c.data); 6346 error = copyout(&i2c, ifr->ifr_data, sizeof(i2c)); 6347 break; 6348 } 6349 case SIOCSIFCAP: 6350 /* Layer-4 Rx checksum offload has to be turned on and 6351 * off as a unit. 6352 */ 6353 l4csum_en = ifcr->ifcr_capenable & l4csum; 6354 if (l4csum_en != l4csum && l4csum_en != 0) 6355 return EINVAL; 6356 /*FALLTHROUGH*/ 6357 case SIOCADDMULTI: 6358 case SIOCDELMULTI: 6359 case SIOCSIFFLAGS: 6360 case SIOCSIFMTU: 6361 default: 6362 if ((error = ether_ioctl(ifp, command, data)) != ENETRESET) 6363 return error; 6364 if ((ifp->if_flags & IFF_RUNNING) == 0) 6365 ; 6366 else if (command == SIOCSIFCAP || command == SIOCSIFMTU) { 6367 IXGBE_CORE_LOCK(adapter); 6368 if ((ifp->if_flags & IFF_RUNNING) != 0) 6369 ixgbe_init_locked(adapter); 6370 ixgbe_recalculate_max_frame(adapter); 6371 IXGBE_CORE_UNLOCK(adapter); 6372 } else if (command == SIOCADDMULTI || command == SIOCDELMULTI) { 6373 /* 6374 * Multicast list has changed; set the hardware filter 6375 * accordingly. 6376 */ 6377 IXGBE_CORE_LOCK(adapter); 6378 ixgbe_disable_intr(adapter); 6379 ixgbe_set_multi(adapter); 6380 ixgbe_enable_intr(adapter); 6381 IXGBE_CORE_UNLOCK(adapter); 6382 } 6383 return 0; 6384 } 6385 6386 return error; 6387 } /* ixgbe_ioctl */ 6388 6389 /************************************************************************ 6390 * ixgbe_check_fan_failure 6391 ************************************************************************/ 6392 static void 6393 ixgbe_check_fan_failure(struct adapter *adapter, u32 reg, bool in_interrupt) 6394 { 6395 u32 mask; 6396 6397 mask = (in_interrupt) ? IXGBE_EICR_GPI_SDP1_BY_MAC(&adapter->hw) : 6398 IXGBE_ESDP_SDP1; 6399 6400 if (reg & mask) 6401 device_printf(adapter->dev, "\nCRITICAL: FAN FAILURE!! REPLACE IMMEDIATELY!!\n"); 6402 } /* ixgbe_check_fan_failure */ 6403 6404 /************************************************************************ 6405 * ixgbe_handle_que 6406 ************************************************************************/ 6407 static void 6408 ixgbe_handle_que(void *context) 6409 { 6410 struct ix_queue *que = context; 6411 struct adapter *adapter = que->adapter; 6412 struct tx_ring *txr = que->txr; 6413 struct ifnet *ifp = adapter->ifp; 6414 bool more = false; 6415 6416 que->handleq.ev_count++; 6417 6418 if (ifp->if_flags & IFF_RUNNING) { 6419 more = ixgbe_rxeof(que); 6420 IXGBE_TX_LOCK(txr); 6421 more |= ixgbe_txeof(txr); 6422 if (!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX)) 6423 if (!ixgbe_mq_ring_empty(ifp, txr->txr_interq)) 6424 ixgbe_mq_start_locked(ifp, txr); 6425 /* Only for queue 0 */ 6426 /* NetBSD still needs this for CBQ */ 6427 if ((&adapter->queues[0] == que) 6428 && (!ixgbe_legacy_ring_empty(ifp, NULL))) 6429 ixgbe_legacy_start_locked(ifp, txr); 6430 IXGBE_TX_UNLOCK(txr); 6431 } 6432 6433 if (more) { 6434 que->req.ev_count++; 6435 ixgbe_sched_handle_que(adapter, que); 6436 } else if (que->res != NULL) { 6437 /* Re-enable this interrupt */ 6438 ixgbe_enable_queue(adapter, que->msix); 6439 } else 6440 ixgbe_enable_intr(adapter); 6441 6442 return; 6443 } /* ixgbe_handle_que */ 6444 6445 /************************************************************************ 6446 * ixgbe_handle_que_work 6447 ************************************************************************/ 6448 static void 6449 ixgbe_handle_que_work(struct work *wk, void *context) 6450 { 6451 struct ix_queue *que = container_of(wk, struct ix_queue, wq_cookie); 6452 6453 /* 6454 * "enqueued flag" is not required here. 6455 * See ixgbe_msix_que(). 6456 */ 6457 ixgbe_handle_que(que); 6458 } 6459 6460 /************************************************************************ 6461 * ixgbe_allocate_legacy - Setup the Legacy or MSI Interrupt handler 6462 ************************************************************************/ 6463 static int 6464 ixgbe_allocate_legacy(struct adapter *adapter, 6465 const struct pci_attach_args *pa) 6466 { 6467 device_t dev = adapter->dev; 6468 struct ix_queue *que = adapter->queues; 6469 struct tx_ring *txr = adapter->tx_rings; 6470 int counts[PCI_INTR_TYPE_SIZE]; 6471 pci_intr_type_t intr_type, max_type; 6472 char intrbuf[PCI_INTRSTR_LEN]; 6473 const char *intrstr = NULL; 6474 6475 /* We allocate a single interrupt resource */ 6476 max_type = PCI_INTR_TYPE_MSI; 6477 counts[PCI_INTR_TYPE_MSIX] = 0; 6478 counts[PCI_INTR_TYPE_MSI] = 6479 (adapter->feat_en & IXGBE_FEATURE_MSI) ? 1 : 0; 6480 /* Check not feat_en but feat_cap to fallback to INTx */ 6481 counts[PCI_INTR_TYPE_INTX] = 6482 (adapter->feat_cap & IXGBE_FEATURE_LEGACY_IRQ) ? 1 : 0; 6483 6484 alloc_retry: 6485 if (pci_intr_alloc(pa, &adapter->osdep.intrs, counts, max_type) != 0) { 6486 aprint_error_dev(dev, "couldn't alloc interrupt\n"); 6487 return ENXIO; 6488 } 6489 adapter->osdep.nintrs = 1; 6490 intrstr = pci_intr_string(adapter->osdep.pc, adapter->osdep.intrs[0], 6491 intrbuf, sizeof(intrbuf)); 6492 adapter->osdep.ihs[0] = pci_intr_establish_xname(adapter->osdep.pc, 6493 adapter->osdep.intrs[0], IPL_NET, ixgbe_legacy_irq, que, 6494 device_xname(dev)); 6495 intr_type = pci_intr_type(adapter->osdep.pc, adapter->osdep.intrs[0]); 6496 if (adapter->osdep.ihs[0] == NULL) { 6497 aprint_error_dev(dev,"unable to establish %s\n", 6498 (intr_type == PCI_INTR_TYPE_MSI) ? "MSI" : "INTx"); 6499 pci_intr_release(adapter->osdep.pc, adapter->osdep.intrs, 1); 6500 adapter->osdep.intrs = NULL; 6501 switch (intr_type) { 6502 case PCI_INTR_TYPE_MSI: 6503 /* The next try is for INTx: Disable MSI */ 6504 max_type = PCI_INTR_TYPE_INTX; 6505 counts[PCI_INTR_TYPE_INTX] = 1; 6506 adapter->feat_en &= ~IXGBE_FEATURE_MSI; 6507 if (adapter->feat_cap & IXGBE_FEATURE_LEGACY_IRQ) { 6508 adapter->feat_en |= IXGBE_FEATURE_LEGACY_IRQ; 6509 goto alloc_retry; 6510 } else 6511 break; 6512 case PCI_INTR_TYPE_INTX: 6513 default: 6514 /* See below */ 6515 break; 6516 } 6517 } 6518 if (intr_type == PCI_INTR_TYPE_INTX) { 6519 adapter->feat_en &= ~IXGBE_FEATURE_MSI; 6520 adapter->feat_en |= IXGBE_FEATURE_LEGACY_IRQ; 6521 } 6522 if (adapter->osdep.ihs[0] == NULL) { 6523 aprint_error_dev(dev, 6524 "couldn't establish interrupt%s%s\n", 6525 intrstr ? " at " : "", intrstr ? intrstr : ""); 6526 pci_intr_release(adapter->osdep.pc, adapter->osdep.intrs, 1); 6527 adapter->osdep.intrs = NULL; 6528 return ENXIO; 6529 } 6530 aprint_normal_dev(dev, "interrupting at %s\n", intrstr); 6531 /* 6532 * Try allocating a fast interrupt and the associated deferred 6533 * processing contexts. 6534 */ 6535 if (!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX)) 6536 txr->txr_si = 6537 softint_establish(SOFTINT_NET | IXGBE_SOFTINFT_FLAGS, 6538 ixgbe_deferred_mq_start, txr); 6539 que->que_si = softint_establish(SOFTINT_NET | IXGBE_SOFTINFT_FLAGS, 6540 ixgbe_handle_que, que); 6541 6542 if ((!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX) 6543 & (txr->txr_si == NULL)) || (que->que_si == NULL)) { 6544 aprint_error_dev(dev, 6545 "could not establish software interrupts\n"); 6546 6547 return ENXIO; 6548 } 6549 /* For simplicity in the handlers */ 6550 adapter->active_queues = IXGBE_EIMS_ENABLE_MASK; 6551 6552 return (0); 6553 } /* ixgbe_allocate_legacy */ 6554 6555 /************************************************************************ 6556 * ixgbe_allocate_msix - Setup MSI-X Interrupt resources and handlers 6557 ************************************************************************/ 6558 static int 6559 ixgbe_allocate_msix(struct adapter *adapter, const struct pci_attach_args *pa) 6560 { 6561 device_t dev = adapter->dev; 6562 struct ix_queue *que = adapter->queues; 6563 struct tx_ring *txr = adapter->tx_rings; 6564 pci_chipset_tag_t pc; 6565 char intrbuf[PCI_INTRSTR_LEN]; 6566 char intr_xname[32]; 6567 char wqname[MAXCOMLEN]; 6568 const char *intrstr = NULL; 6569 int error, vector = 0; 6570 int cpu_id = 0; 6571 kcpuset_t *affinity; 6572 #ifdef RSS 6573 unsigned int rss_buckets = 0; 6574 kcpuset_t cpu_mask; 6575 #endif 6576 6577 pc = adapter->osdep.pc; 6578 #ifdef RSS 6579 /* 6580 * If we're doing RSS, the number of queues needs to 6581 * match the number of RSS buckets that are configured. 6582 * 6583 * + If there's more queues than RSS buckets, we'll end 6584 * up with queues that get no traffic. 6585 * 6586 * + If there's more RSS buckets than queues, we'll end 6587 * up having multiple RSS buckets map to the same queue, 6588 * so there'll be some contention. 6589 */ 6590 rss_buckets = rss_getnumbuckets(); 6591 if ((adapter->feat_en & IXGBE_FEATURE_RSS) && 6592 (adapter->num_queues != rss_buckets)) { 6593 device_printf(dev, 6594 "%s: number of queues (%d) != number of RSS buckets (%d)" 6595 "; performance will be impacted.\n", 6596 __func__, adapter->num_queues, rss_buckets); 6597 } 6598 #endif 6599 6600 adapter->osdep.nintrs = adapter->num_queues + 1; 6601 if (pci_msix_alloc_exact(pa, &adapter->osdep.intrs, 6602 adapter->osdep.nintrs) != 0) { 6603 aprint_error_dev(dev, 6604 "failed to allocate MSI-X interrupt\n"); 6605 return (ENXIO); 6606 } 6607 6608 kcpuset_create(&affinity, false); 6609 for (int i = 0; i < adapter->num_queues; i++, vector++, que++, txr++) { 6610 snprintf(intr_xname, sizeof(intr_xname), "%s TXRX%d", 6611 device_xname(dev), i); 6612 intrstr = pci_intr_string(pc, adapter->osdep.intrs[i], intrbuf, 6613 sizeof(intrbuf)); 6614 #ifdef IXGBE_MPSAFE 6615 pci_intr_setattr(pc, &adapter->osdep.intrs[i], PCI_INTR_MPSAFE, 6616 true); 6617 #endif 6618 /* Set the handler function */ 6619 que->res = adapter->osdep.ihs[i] = pci_intr_establish_xname(pc, 6620 adapter->osdep.intrs[i], IPL_NET, ixgbe_msix_que, que, 6621 intr_xname); 6622 if (que->res == NULL) { 6623 aprint_error_dev(dev, 6624 "Failed to register QUE handler\n"); 6625 error = ENXIO; 6626 goto err_out; 6627 } 6628 que->msix = vector; 6629 adapter->active_queues |= 1ULL << que->msix; 6630 6631 if (adapter->feat_en & IXGBE_FEATURE_RSS) { 6632 #ifdef RSS 6633 /* 6634 * The queue ID is used as the RSS layer bucket ID. 6635 * We look up the queue ID -> RSS CPU ID and select 6636 * that. 6637 */ 6638 cpu_id = rss_getcpu(i % rss_getnumbuckets()); 6639 CPU_SETOF(cpu_id, &cpu_mask); 6640 #endif 6641 } else { 6642 /* 6643 * Bind the MSI-X vector, and thus the 6644 * rings to the corresponding CPU. 6645 * 6646 * This just happens to match the default RSS 6647 * round-robin bucket -> queue -> CPU allocation. 6648 */ 6649 if (adapter->num_queues > 1) 6650 cpu_id = i; 6651 } 6652 /* Round-robin affinity */ 6653 kcpuset_zero(affinity); 6654 kcpuset_set(affinity, cpu_id % ncpu); 6655 error = interrupt_distribute(adapter->osdep.ihs[i], affinity, 6656 NULL); 6657 aprint_normal_dev(dev, "for TX/RX, interrupting at %s", 6658 intrstr); 6659 if (error == 0) { 6660 #if 1 /* def IXGBE_DEBUG */ 6661 #ifdef RSS 6662 aprintf_normal(", bound RSS bucket %d to CPU %d", i, 6663 cpu_id % ncpu); 6664 #else 6665 aprint_normal(", bound queue %d to cpu %d", i, 6666 cpu_id % ncpu); 6667 #endif 6668 #endif /* IXGBE_DEBUG */ 6669 } 6670 aprint_normal("\n"); 6671 6672 if (!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX)) { 6673 txr->txr_si = softint_establish( 6674 SOFTINT_NET | IXGBE_SOFTINFT_FLAGS, 6675 ixgbe_deferred_mq_start, txr); 6676 if (txr->txr_si == NULL) { 6677 aprint_error_dev(dev, 6678 "couldn't establish software interrupt\n"); 6679 error = ENXIO; 6680 goto err_out; 6681 } 6682 } 6683 que->que_si 6684 = softint_establish(SOFTINT_NET | IXGBE_SOFTINFT_FLAGS, 6685 ixgbe_handle_que, que); 6686 if (que->que_si == NULL) { 6687 aprint_error_dev(dev, 6688 "couldn't establish software interrupt\n"); 6689 error = ENXIO; 6690 goto err_out; 6691 } 6692 } 6693 snprintf(wqname, sizeof(wqname), "%sdeferTx", device_xname(dev)); 6694 error = workqueue_create(&adapter->txr_wq, wqname, 6695 ixgbe_deferred_mq_start_work, adapter, IXGBE_WORKQUEUE_PRI, IPL_NET, 6696 IXGBE_WORKQUEUE_FLAGS); 6697 if (error) { 6698 aprint_error_dev(dev, "couldn't create workqueue for deferred Tx\n"); 6699 goto err_out; 6700 } 6701 adapter->txr_wq_enqueued = percpu_alloc(sizeof(u_int)); 6702 6703 snprintf(wqname, sizeof(wqname), "%sTxRx", device_xname(dev)); 6704 error = workqueue_create(&adapter->que_wq, wqname, 6705 ixgbe_handle_que_work, adapter, IXGBE_WORKQUEUE_PRI, IPL_NET, 6706 IXGBE_WORKQUEUE_FLAGS); 6707 if (error) { 6708 aprint_error_dev(dev, "couldn't create workqueue for Tx/Rx\n"); 6709 goto err_out; 6710 } 6711 6712 /* and Link */ 6713 cpu_id++; 6714 snprintf(intr_xname, sizeof(intr_xname), "%s link", device_xname(dev)); 6715 adapter->vector = vector; 6716 intrstr = pci_intr_string(pc, adapter->osdep.intrs[vector], intrbuf, 6717 sizeof(intrbuf)); 6718 #ifdef IXGBE_MPSAFE 6719 pci_intr_setattr(pc, &adapter->osdep.intrs[vector], PCI_INTR_MPSAFE, 6720 true); 6721 #endif 6722 /* Set the link handler function */ 6723 adapter->osdep.ihs[vector] = pci_intr_establish_xname(pc, 6724 adapter->osdep.intrs[vector], IPL_NET, ixgbe_msix_link, adapter, 6725 intr_xname); 6726 if (adapter->osdep.ihs[vector] == NULL) { 6727 aprint_error_dev(dev, "Failed to register LINK handler\n"); 6728 error = ENXIO; 6729 goto err_out; 6730 } 6731 /* Round-robin affinity */ 6732 kcpuset_zero(affinity); 6733 kcpuset_set(affinity, cpu_id % ncpu); 6734 error = interrupt_distribute(adapter->osdep.ihs[vector], affinity, 6735 NULL); 6736 6737 aprint_normal_dev(dev, 6738 "for link, interrupting at %s", intrstr); 6739 if (error == 0) 6740 aprint_normal(", affinity to cpu %d\n", cpu_id % ncpu); 6741 else 6742 aprint_normal("\n"); 6743 6744 if (adapter->feat_cap & IXGBE_FEATURE_SRIOV) { 6745 adapter->mbx_si = 6746 softint_establish(SOFTINT_NET | IXGBE_SOFTINFT_FLAGS, 6747 ixgbe_handle_mbx, adapter); 6748 if (adapter->mbx_si == NULL) { 6749 aprint_error_dev(dev, 6750 "could not establish software interrupts\n"); 6751 6752 error = ENXIO; 6753 goto err_out; 6754 } 6755 } 6756 6757 kcpuset_destroy(affinity); 6758 aprint_normal_dev(dev, 6759 "Using MSI-X interrupts with %d vectors\n", vector + 1); 6760 6761 return (0); 6762 6763 err_out: 6764 kcpuset_destroy(affinity); 6765 ixgbe_free_softint(adapter); 6766 ixgbe_free_pciintr_resources(adapter); 6767 return (error); 6768 } /* ixgbe_allocate_msix */ 6769 6770 /************************************************************************ 6771 * ixgbe_configure_interrupts 6772 * 6773 * Setup MSI-X, MSI, or legacy interrupts (in that order). 6774 * This will also depend on user settings. 6775 ************************************************************************/ 6776 static int 6777 ixgbe_configure_interrupts(struct adapter *adapter) 6778 { 6779 device_t dev = adapter->dev; 6780 struct ixgbe_mac_info *mac = &adapter->hw.mac; 6781 int want, queues, msgs; 6782 6783 /* Default to 1 queue if MSI-X setup fails */ 6784 adapter->num_queues = 1; 6785 6786 /* Override by tuneable */ 6787 if (!(adapter->feat_cap & IXGBE_FEATURE_MSIX)) 6788 goto msi; 6789 6790 /* 6791 * NetBSD only: Use single vector MSI when number of CPU is 1 to save 6792 * interrupt slot. 6793 */ 6794 if (ncpu == 1) 6795 goto msi; 6796 6797 /* First try MSI-X */ 6798 msgs = pci_msix_count(adapter->osdep.pc, adapter->osdep.tag); 6799 msgs = MIN(msgs, IXG_MAX_NINTR); 6800 if (msgs < 2) 6801 goto msi; 6802 6803 adapter->msix_mem = (void *)1; /* XXX */ 6804 6805 /* Figure out a reasonable auto config value */ 6806 queues = (ncpu > (msgs - 1)) ? (msgs - 1) : ncpu; 6807 6808 #ifdef RSS 6809 /* If we're doing RSS, clamp at the number of RSS buckets */ 6810 if (adapter->feat_en & IXGBE_FEATURE_RSS) 6811 queues = uimin(queues, rss_getnumbuckets()); 6812 #endif 6813 if (ixgbe_num_queues > queues) { 6814 aprint_error_dev(adapter->dev, "ixgbe_num_queues (%d) is too large, using reduced amount (%d).\n", ixgbe_num_queues, queues); 6815 ixgbe_num_queues = queues; 6816 } 6817 6818 if (ixgbe_num_queues != 0) 6819 queues = ixgbe_num_queues; 6820 else 6821 queues = uimin(queues, 6822 uimin(mac->max_tx_queues, mac->max_rx_queues)); 6823 6824 /* reflect correct sysctl value */ 6825 ixgbe_num_queues = queues; 6826 6827 /* 6828 * Want one vector (RX/TX pair) per queue 6829 * plus an additional for Link. 6830 */ 6831 want = queues + 1; 6832 if (msgs >= want) 6833 msgs = want; 6834 else { 6835 aprint_error_dev(dev, "MSI-X Configuration Problem, " 6836 "%d vectors but %d queues wanted!\n", 6837 msgs, want); 6838 goto msi; 6839 } 6840 adapter->num_queues = queues; 6841 adapter->feat_en |= IXGBE_FEATURE_MSIX; 6842 return (0); 6843 6844 /* 6845 * MSI-X allocation failed or provided us with 6846 * less vectors than needed. Free MSI-X resources 6847 * and we'll try enabling MSI. 6848 */ 6849 msi: 6850 /* Without MSI-X, some features are no longer supported */ 6851 adapter->feat_cap &= ~IXGBE_FEATURE_RSS; 6852 adapter->feat_en &= ~IXGBE_FEATURE_RSS; 6853 adapter->feat_cap &= ~IXGBE_FEATURE_SRIOV; 6854 adapter->feat_en &= ~IXGBE_FEATURE_SRIOV; 6855 6856 msgs = pci_msi_count(adapter->osdep.pc, adapter->osdep.tag); 6857 adapter->msix_mem = NULL; /* XXX */ 6858 if (msgs > 1) 6859 msgs = 1; 6860 if (msgs != 0) { 6861 msgs = 1; 6862 adapter->feat_en |= IXGBE_FEATURE_MSI; 6863 return (0); 6864 } 6865 6866 if (!(adapter->feat_cap & IXGBE_FEATURE_LEGACY_IRQ)) { 6867 aprint_error_dev(dev, 6868 "Device does not support legacy interrupts.\n"); 6869 return 1; 6870 } 6871 6872 adapter->feat_en |= IXGBE_FEATURE_LEGACY_IRQ; 6873 6874 return (0); 6875 } /* ixgbe_configure_interrupts */ 6876 6877 6878 /************************************************************************ 6879 * ixgbe_handle_link - Tasklet for MSI-X Link interrupts 6880 * 6881 * Done outside of interrupt context since the driver might sleep 6882 ************************************************************************/ 6883 static void 6884 ixgbe_handle_link(void *context) 6885 { 6886 struct adapter *adapter = context; 6887 struct ixgbe_hw *hw = &adapter->hw; 6888 6889 IXGBE_CORE_LOCK(adapter); 6890 ++adapter->link_sicount.ev_count; 6891 ixgbe_check_link(hw, &adapter->link_speed, &adapter->link_up, 0); 6892 ixgbe_update_link_status(adapter); 6893 6894 /* Re-enable link interrupts */ 6895 IXGBE_WRITE_REG(hw, IXGBE_EIMS, IXGBE_EIMS_LSC); 6896 6897 IXGBE_CORE_UNLOCK(adapter); 6898 } /* ixgbe_handle_link */ 6899 6900 #if 0 6901 /************************************************************************ 6902 * ixgbe_rearm_queues 6903 ************************************************************************/ 6904 static __inline void 6905 ixgbe_rearm_queues(struct adapter *adapter, u64 queues) 6906 { 6907 u32 mask; 6908 6909 switch (adapter->hw.mac.type) { 6910 case ixgbe_mac_82598EB: 6911 mask = (IXGBE_EIMS_RTX_QUEUE & queues); 6912 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS, mask); 6913 break; 6914 case ixgbe_mac_82599EB: 6915 case ixgbe_mac_X540: 6916 case ixgbe_mac_X550: 6917 case ixgbe_mac_X550EM_x: 6918 case ixgbe_mac_X550EM_a: 6919 mask = (queues & 0xFFFFFFFF); 6920 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS_EX(0), mask); 6921 mask = (queues >> 32); 6922 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS_EX(1), mask); 6923 break; 6924 default: 6925 break; 6926 } 6927 } /* ixgbe_rearm_queues */ 6928 #endif 6929
Indexes created Mon Sep 29 21:09:56 GMT 2025