ixgbe.c revision 1.195
1 /* $NetBSD: ixgbe.c,v 1.195 2019/07/25 09:01:56 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_support(struct adapter *); 223 static int ixgbe_vlan_cb(struct ethercom *, uint16_t, bool); 224 static int ixgbe_register_vlan(void *, struct ifnet *, u16); 225 static int ixgbe_unregister_vlan(void *, struct ifnet *, u16); 226 227 static void ixgbe_add_device_sysctls(struct adapter *); 228 static void ixgbe_add_hw_stats(struct adapter *); 229 static void ixgbe_clear_evcnt(struct adapter *); 230 static int ixgbe_set_flowcntl(struct adapter *, int); 231 static int ixgbe_set_advertise(struct adapter *, int); 232 static int ixgbe_get_advertise(struct adapter *); 233 234 /* Sysctl handlers */ 235 static void ixgbe_set_sysctl_value(struct adapter *, const char *, 236 const char *, int *, int); 237 static int ixgbe_sysctl_flowcntl(SYSCTLFN_PROTO); 238 static int ixgbe_sysctl_advertise(SYSCTLFN_PROTO); 239 static int ixgbe_sysctl_interrupt_rate_handler(SYSCTLFN_PROTO); 240 static int ixgbe_sysctl_dmac(SYSCTLFN_PROTO); 241 static int ixgbe_sysctl_phy_temp(SYSCTLFN_PROTO); 242 static int ixgbe_sysctl_phy_overtemp_occurred(SYSCTLFN_PROTO); 243 #ifdef IXGBE_DEBUG 244 static int ixgbe_sysctl_power_state(SYSCTLFN_PROTO); 245 static int ixgbe_sysctl_print_rss_config(SYSCTLFN_PROTO); 246 #endif 247 static int ixgbe_sysctl_next_to_check_handler(SYSCTLFN_PROTO); 248 static int ixgbe_sysctl_rdh_handler(SYSCTLFN_PROTO); 249 static int ixgbe_sysctl_rdt_handler(SYSCTLFN_PROTO); 250 static int ixgbe_sysctl_tdt_handler(SYSCTLFN_PROTO); 251 static int ixgbe_sysctl_tdh_handler(SYSCTLFN_PROTO); 252 static int ixgbe_sysctl_eee_state(SYSCTLFN_PROTO); 253 static int ixgbe_sysctl_debug(SYSCTLFN_PROTO); 254 static int ixgbe_sysctl_wol_enable(SYSCTLFN_PROTO); 255 static int ixgbe_sysctl_wufc(SYSCTLFN_PROTO); 256 257 /* Support for pluggable optic modules */ 258 static bool ixgbe_sfp_probe(struct adapter *); 259 260 /* Legacy (single vector) interrupt handler */ 261 static int ixgbe_legacy_irq(void *); 262 263 /* The MSI/MSI-X Interrupt handlers */ 264 static int ixgbe_msix_que(void *); 265 static int ixgbe_msix_link(void *); 266 267 /* Software interrupts for deferred work */ 268 static void ixgbe_handle_que(void *); 269 static void ixgbe_handle_link(void *); 270 static void ixgbe_handle_msf(void *); 271 static void ixgbe_handle_mod(void *); 272 static void ixgbe_handle_phy(void *); 273 274 /* Workqueue handler for deferred work */ 275 static void ixgbe_handle_que_work(struct work *, void *); 276 277 static const ixgbe_vendor_info_t *ixgbe_lookup(const struct pci_attach_args *); 278 279 /************************************************************************ 280 * NetBSD Device Interface Entry Points 281 ************************************************************************/ 282 CFATTACH_DECL3_NEW(ixg, sizeof(struct adapter), 283 ixgbe_probe, ixgbe_attach, ixgbe_detach, NULL, NULL, NULL, 284 DVF_DETACH_SHUTDOWN); 285 286 #if 0 287 devclass_t ix_devclass; 288 DRIVER_MODULE(ix, pci, ix_driver, ix_devclass, 0, 0); 289 290 MODULE_DEPEND(ix, pci, 1, 1, 1); 291 MODULE_DEPEND(ix, ether, 1, 1, 1); 292 #ifdef DEV_NETMAP 293 MODULE_DEPEND(ix, netmap, 1, 1, 1); 294 #endif 295 #endif 296 297 /* 298 * TUNEABLE PARAMETERS: 299 */ 300 301 /* 302 * AIM: Adaptive Interrupt Moderation 303 * which means that the interrupt rate 304 * is varied over time based on the 305 * traffic for that interrupt vector 306 */ 307 static bool ixgbe_enable_aim = true; 308 #define SYSCTL_INT(_a1, _a2, _a3, _a4, _a5, _a6, _a7) 309 SYSCTL_INT(_hw_ix, OID_AUTO, enable_aim, CTLFLAG_RDTUN, &ixgbe_enable_aim, 0, 310 "Enable adaptive interrupt moderation"); 311 312 static int ixgbe_max_interrupt_rate = (4000000 / IXGBE_LOW_LATENCY); 313 SYSCTL_INT(_hw_ix, OID_AUTO, max_interrupt_rate, CTLFLAG_RDTUN, 314 &ixgbe_max_interrupt_rate, 0, "Maximum interrupts per second"); 315 316 /* How many packets rxeof tries to clean at a time */ 317 static int ixgbe_rx_process_limit = 256; 318 SYSCTL_INT(_hw_ix, OID_AUTO, rx_process_limit, CTLFLAG_RDTUN, 319 &ixgbe_rx_process_limit, 0, "Maximum number of received packets to process at a time, -1 means unlimited"); 320 321 /* How many packets txeof tries to clean at a time */ 322 static int ixgbe_tx_process_limit = 256; 323 SYSCTL_INT(_hw_ix, OID_AUTO, tx_process_limit, CTLFLAG_RDTUN, 324 &ixgbe_tx_process_limit, 0, 325 "Maximum number of sent packets to process at a time, -1 means unlimited"); 326 327 /* Flow control setting, default to full */ 328 static int ixgbe_flow_control = ixgbe_fc_full; 329 SYSCTL_INT(_hw_ix, OID_AUTO, flow_control, CTLFLAG_RDTUN, 330 &ixgbe_flow_control, 0, "Default flow control used for all adapters"); 331 332 /* Which packet processing uses workqueue or softint */ 333 static bool ixgbe_txrx_workqueue = false; 334 335 /* 336 * Smart speed setting, default to on 337 * this only works as a compile option 338 * right now as its during attach, set 339 * this to 'ixgbe_smart_speed_off' to 340 * disable. 341 */ 342 static int ixgbe_smart_speed = ixgbe_smart_speed_on; 343 344 /* 345 * MSI-X should be the default for best performance, 346 * but this allows it to be forced off for testing. 347 */ 348 static int ixgbe_enable_msix = 1; 349 SYSCTL_INT(_hw_ix, OID_AUTO, enable_msix, CTLFLAG_RDTUN, &ixgbe_enable_msix, 0, 350 "Enable MSI-X interrupts"); 351 352 /* 353 * Number of Queues, can be set to 0, 354 * it then autoconfigures based on the 355 * number of cpus with a max of 8. This 356 * can be overriden manually here. 357 */ 358 static int ixgbe_num_queues = 0; 359 SYSCTL_INT(_hw_ix, OID_AUTO, num_queues, CTLFLAG_RDTUN, &ixgbe_num_queues, 0, 360 "Number of queues to configure, 0 indicates autoconfigure"); 361 362 /* 363 * Number of TX descriptors per ring, 364 * setting higher than RX as this seems 365 * the better performing choice. 366 */ 367 static int ixgbe_txd = PERFORM_TXD; 368 SYSCTL_INT(_hw_ix, OID_AUTO, txd, CTLFLAG_RDTUN, &ixgbe_txd, 0, 369 "Number of transmit descriptors per queue"); 370 371 /* Number of RX descriptors per ring */ 372 static int ixgbe_rxd = PERFORM_RXD; 373 SYSCTL_INT(_hw_ix, OID_AUTO, rxd, CTLFLAG_RDTUN, &ixgbe_rxd, 0, 374 "Number of receive descriptors per queue"); 375 376 /* 377 * Defining this on will allow the use 378 * of unsupported SFP+ modules, note that 379 * doing so you are on your own :) 380 */ 381 static int allow_unsupported_sfp = false; 382 #define TUNABLE_INT(__x, __y) 383 TUNABLE_INT("hw.ix.unsupported_sfp", &allow_unsupported_sfp); 384 385 /* 386 * Not sure if Flow Director is fully baked, 387 * so we'll default to turning it off. 388 */ 389 static int ixgbe_enable_fdir = 0; 390 SYSCTL_INT(_hw_ix, OID_AUTO, enable_fdir, CTLFLAG_RDTUN, &ixgbe_enable_fdir, 0, 391 "Enable Flow Director"); 392 393 /* Legacy Transmit (single queue) */ 394 static int ixgbe_enable_legacy_tx = 0; 395 SYSCTL_INT(_hw_ix, OID_AUTO, enable_legacy_tx, CTLFLAG_RDTUN, 396 &ixgbe_enable_legacy_tx, 0, "Enable Legacy TX flow"); 397 398 /* Receive-Side Scaling */ 399 static int ixgbe_enable_rss = 1; 400 SYSCTL_INT(_hw_ix, OID_AUTO, enable_rss, CTLFLAG_RDTUN, &ixgbe_enable_rss, 0, 401 "Enable Receive-Side Scaling (RSS)"); 402 403 #if 0 404 static int (*ixgbe_start_locked)(struct ifnet *, struct tx_ring *); 405 static int (*ixgbe_ring_empty)(struct ifnet *, pcq_t *); 406 #endif 407 408 #ifdef NET_MPSAFE 409 #define IXGBE_MPSAFE 1 410 #define IXGBE_CALLOUT_FLAGS CALLOUT_MPSAFE 411 #define IXGBE_SOFTINFT_FLAGS SOFTINT_MPSAFE 412 #define IXGBE_WORKQUEUE_FLAGS WQ_PERCPU | WQ_MPSAFE 413 #else 414 #define IXGBE_CALLOUT_FLAGS 0 415 #define IXGBE_SOFTINFT_FLAGS 0 416 #define IXGBE_WORKQUEUE_FLAGS WQ_PERCPU 417 #endif 418 #define IXGBE_WORKQUEUE_PRI PRI_SOFTNET 419 420 /************************************************************************ 421 * ixgbe_initialize_rss_mapping 422 ************************************************************************/ 423 static void 424 ixgbe_initialize_rss_mapping(struct adapter *adapter) 425 { 426 struct ixgbe_hw *hw = &adapter->hw; 427 u32 reta = 0, mrqc, rss_key[10]; 428 int queue_id, table_size, index_mult; 429 int i, j; 430 u32 rss_hash_config; 431 432 /* force use default RSS key. */ 433 #ifdef __NetBSD__ 434 rss_getkey((uint8_t *) &rss_key); 435 #else 436 if (adapter->feat_en & IXGBE_FEATURE_RSS) { 437 /* Fetch the configured RSS key */ 438 rss_getkey((uint8_t *) &rss_key); 439 } else { 440 /* set up random bits */ 441 cprng_fast(&rss_key, sizeof(rss_key)); 442 } 443 #endif 444 445 /* Set multiplier for RETA setup and table size based on MAC */ 446 index_mult = 0x1; 447 table_size = 128; 448 switch (adapter->hw.mac.type) { 449 case ixgbe_mac_82598EB: 450 index_mult = 0x11; 451 break; 452 case ixgbe_mac_X550: 453 case ixgbe_mac_X550EM_x: 454 case ixgbe_mac_X550EM_a: 455 table_size = 512; 456 break; 457 default: 458 break; 459 } 460 461 /* Set up the redirection table */ 462 for (i = 0, j = 0; i < table_size; i++, j++) { 463 if (j == adapter->num_queues) 464 j = 0; 465 466 if (adapter->feat_en & IXGBE_FEATURE_RSS) { 467 /* 468 * Fetch the RSS bucket id for the given indirection 469 * entry. Cap it at the number of configured buckets 470 * (which is num_queues.) 471 */ 472 queue_id = rss_get_indirection_to_bucket(i); 473 queue_id = queue_id % adapter->num_queues; 474 } else 475 queue_id = (j * index_mult); 476 477 /* 478 * The low 8 bits are for hash value (n+0); 479 * The next 8 bits are for hash value (n+1), etc. 480 */ 481 reta = reta >> 8; 482 reta = reta | (((uint32_t) queue_id) << 24); 483 if ((i & 3) == 3) { 484 if (i < 128) 485 IXGBE_WRITE_REG(hw, IXGBE_RETA(i >> 2), reta); 486 else 487 IXGBE_WRITE_REG(hw, IXGBE_ERETA((i >> 2) - 32), 488 reta); 489 reta = 0; 490 } 491 } 492 493 /* Now fill our hash function seeds */ 494 for (i = 0; i < 10; i++) 495 IXGBE_WRITE_REG(hw, IXGBE_RSSRK(i), rss_key[i]); 496 497 /* Perform hash on these packet types */ 498 if (adapter->feat_en & IXGBE_FEATURE_RSS) 499 rss_hash_config = rss_gethashconfig(); 500 else { 501 /* 502 * Disable UDP - IP fragments aren't currently being handled 503 * and so we end up with a mix of 2-tuple and 4-tuple 504 * traffic. 505 */ 506 rss_hash_config = RSS_HASHTYPE_RSS_IPV4 507 | RSS_HASHTYPE_RSS_TCP_IPV4 508 | RSS_HASHTYPE_RSS_IPV6 509 | RSS_HASHTYPE_RSS_TCP_IPV6 510 | RSS_HASHTYPE_RSS_IPV6_EX 511 | RSS_HASHTYPE_RSS_TCP_IPV6_EX; 512 } 513 514 mrqc = IXGBE_MRQC_RSSEN; 515 if (rss_hash_config & RSS_HASHTYPE_RSS_IPV4) 516 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4; 517 if (rss_hash_config & RSS_HASHTYPE_RSS_TCP_IPV4) 518 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4_TCP; 519 if (rss_hash_config & RSS_HASHTYPE_RSS_IPV6) 520 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6; 521 if (rss_hash_config & RSS_HASHTYPE_RSS_TCP_IPV6) 522 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_TCP; 523 if (rss_hash_config & RSS_HASHTYPE_RSS_IPV6_EX) 524 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_EX; 525 if (rss_hash_config & RSS_HASHTYPE_RSS_TCP_IPV6_EX) 526 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_EX_TCP; 527 if (rss_hash_config & RSS_HASHTYPE_RSS_UDP_IPV4) 528 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4_UDP; 529 if (rss_hash_config & RSS_HASHTYPE_RSS_UDP_IPV6) 530 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_UDP; 531 if (rss_hash_config & RSS_HASHTYPE_RSS_UDP_IPV6_EX) 532 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_EX_UDP; 533 mrqc |= ixgbe_get_mrqc(adapter->iov_mode); 534 IXGBE_WRITE_REG(hw, IXGBE_MRQC, mrqc); 535 } /* ixgbe_initialize_rss_mapping */ 536 537 /************************************************************************ 538 * ixgbe_initialize_receive_units - Setup receive registers and features. 539 ************************************************************************/ 540 #define BSIZEPKT_ROUNDUP ((1<<IXGBE_SRRCTL_BSIZEPKT_SHIFT)-1) 541 542 static void 543 ixgbe_initialize_receive_units(struct adapter *adapter) 544 { 545 struct rx_ring *rxr = adapter->rx_rings; 546 struct ixgbe_hw *hw = &adapter->hw; 547 struct ifnet *ifp = adapter->ifp; 548 int i, j; 549 u32 bufsz, fctrl, srrctl, rxcsum; 550 u32 hlreg; 551 552 /* 553 * Make sure receives are disabled while 554 * setting up the descriptor ring 555 */ 556 ixgbe_disable_rx(hw); 557 558 /* Enable broadcasts */ 559 fctrl = IXGBE_READ_REG(hw, IXGBE_FCTRL); 560 fctrl |= IXGBE_FCTRL_BAM; 561 if (adapter->hw.mac.type == ixgbe_mac_82598EB) { 562 fctrl |= IXGBE_FCTRL_DPF; 563 fctrl |= IXGBE_FCTRL_PMCF; 564 } 565 IXGBE_WRITE_REG(hw, IXGBE_FCTRL, fctrl); 566 567 /* Set for Jumbo Frames? */ 568 hlreg = IXGBE_READ_REG(hw, IXGBE_HLREG0); 569 if (ifp->if_mtu > ETHERMTU) 570 hlreg |= IXGBE_HLREG0_JUMBOEN; 571 else 572 hlreg &= ~IXGBE_HLREG0_JUMBOEN; 573 574 #ifdef DEV_NETMAP 575 /* CRC stripping is conditional in Netmap */ 576 if ((adapter->feat_en & IXGBE_FEATURE_NETMAP) && 577 (ifp->if_capenable & IFCAP_NETMAP) && 578 !ix_crcstrip) 579 hlreg &= ~IXGBE_HLREG0_RXCRCSTRP; 580 else 581 #endif /* DEV_NETMAP */ 582 hlreg |= IXGBE_HLREG0_RXCRCSTRP; 583 584 IXGBE_WRITE_REG(hw, IXGBE_HLREG0, hlreg); 585 586 bufsz = (adapter->rx_mbuf_sz + BSIZEPKT_ROUNDUP) >> 587 IXGBE_SRRCTL_BSIZEPKT_SHIFT; 588 589 for (i = 0; i < adapter->num_queues; i++, rxr++) { 590 u64 rdba = rxr->rxdma.dma_paddr; 591 u32 reg; 592 int regnum = i / 4; /* 1 register per 4 queues */ 593 int regshift = i % 4; /* 4 bits per 1 queue */ 594 j = rxr->me; 595 596 /* Setup the Base and Length of the Rx Descriptor Ring */ 597 IXGBE_WRITE_REG(hw, IXGBE_RDBAL(j), 598 (rdba & 0x00000000ffffffffULL)); 599 IXGBE_WRITE_REG(hw, IXGBE_RDBAH(j), (rdba >> 32)); 600 IXGBE_WRITE_REG(hw, IXGBE_RDLEN(j), 601 adapter->num_rx_desc * sizeof(union ixgbe_adv_rx_desc)); 602 603 /* Set up the SRRCTL register */ 604 srrctl = IXGBE_READ_REG(hw, IXGBE_SRRCTL(j)); 605 srrctl &= ~IXGBE_SRRCTL_BSIZEHDR_MASK; 606 srrctl &= ~IXGBE_SRRCTL_BSIZEPKT_MASK; 607 srrctl |= bufsz; 608 srrctl |= IXGBE_SRRCTL_DESCTYPE_ADV_ONEBUF; 609 610 /* Set RQSMR (Receive Queue Statistic Mapping) register */ 611 reg = IXGBE_READ_REG(hw, IXGBE_RQSMR(regnum)); 612 reg &= ~(0x000000ffUL << (regshift * 8)); 613 reg |= i << (regshift * 8); 614 IXGBE_WRITE_REG(hw, IXGBE_RQSMR(regnum), reg); 615 616 /* 617 * Set DROP_EN iff we have no flow control and >1 queue. 618 * Note that srrctl was cleared shortly before during reset, 619 * so we do not need to clear the bit, but do it just in case 620 * this code is moved elsewhere. 621 */ 622 if (adapter->num_queues > 1 && 623 adapter->hw.fc.requested_mode == ixgbe_fc_none) { 624 srrctl |= IXGBE_SRRCTL_DROP_EN; 625 } else { 626 srrctl &= ~IXGBE_SRRCTL_DROP_EN; 627 } 628 629 IXGBE_WRITE_REG(hw, IXGBE_SRRCTL(j), srrctl); 630 631 /* Setup the HW Rx Head and Tail Descriptor Pointers */ 632 IXGBE_WRITE_REG(hw, IXGBE_RDH(j), 0); 633 IXGBE_WRITE_REG(hw, IXGBE_RDT(j), 0); 634 635 /* Set the driver rx tail address */ 636 rxr->tail = IXGBE_RDT(rxr->me); 637 } 638 639 if (adapter->hw.mac.type != ixgbe_mac_82598EB) { 640 u32 psrtype = IXGBE_PSRTYPE_TCPHDR 641 | IXGBE_PSRTYPE_UDPHDR 642 | IXGBE_PSRTYPE_IPV4HDR 643 | IXGBE_PSRTYPE_IPV6HDR; 644 IXGBE_WRITE_REG(hw, IXGBE_PSRTYPE(0), psrtype); 645 } 646 647 rxcsum = IXGBE_READ_REG(hw, IXGBE_RXCSUM); 648 649 ixgbe_initialize_rss_mapping(adapter); 650 651 if (adapter->num_queues > 1) { 652 /* RSS and RX IPP Checksum are mutually exclusive */ 653 rxcsum |= IXGBE_RXCSUM_PCSD; 654 } 655 656 if (ifp->if_capenable & IFCAP_RXCSUM) 657 rxcsum |= IXGBE_RXCSUM_PCSD; 658 659 /* This is useful for calculating UDP/IP fragment checksums */ 660 if (!(rxcsum & IXGBE_RXCSUM_PCSD)) 661 rxcsum |= IXGBE_RXCSUM_IPPCSE; 662 663 IXGBE_WRITE_REG(hw, IXGBE_RXCSUM, rxcsum); 664 665 } /* ixgbe_initialize_receive_units */ 666 667 /************************************************************************ 668 * ixgbe_initialize_transmit_units - Enable transmit units. 669 ************************************************************************/ 670 static void 671 ixgbe_initialize_transmit_units(struct adapter *adapter) 672 { 673 struct tx_ring *txr = adapter->tx_rings; 674 struct ixgbe_hw *hw = &adapter->hw; 675 int i; 676 677 /* Setup the Base and Length of the Tx Descriptor Ring */ 678 for (i = 0; i < adapter->num_queues; i++, txr++) { 679 u64 tdba = txr->txdma.dma_paddr; 680 u32 txctrl = 0; 681 u32 tqsmreg, reg; 682 int regnum = i / 4; /* 1 register per 4 queues */ 683 int regshift = i % 4; /* 4 bits per 1 queue */ 684 int j = txr->me; 685 686 IXGBE_WRITE_REG(hw, IXGBE_TDBAL(j), 687 (tdba & 0x00000000ffffffffULL)); 688 IXGBE_WRITE_REG(hw, IXGBE_TDBAH(j), (tdba >> 32)); 689 IXGBE_WRITE_REG(hw, IXGBE_TDLEN(j), 690 adapter->num_tx_desc * sizeof(union ixgbe_adv_tx_desc)); 691 692 /* 693 * Set TQSMR (Transmit Queue Statistic Mapping) register. 694 * Register location is different between 82598 and others. 695 */ 696 if (adapter->hw.mac.type == ixgbe_mac_82598EB) 697 tqsmreg = IXGBE_TQSMR(regnum); 698 else 699 tqsmreg = IXGBE_TQSM(regnum); 700 reg = IXGBE_READ_REG(hw, tqsmreg); 701 reg &= ~(0x000000ffUL << (regshift * 8)); 702 reg |= i << (regshift * 8); 703 IXGBE_WRITE_REG(hw, tqsmreg, reg); 704 705 /* Setup the HW Tx Head and Tail descriptor pointers */ 706 IXGBE_WRITE_REG(hw, IXGBE_TDH(j), 0); 707 IXGBE_WRITE_REG(hw, IXGBE_TDT(j), 0); 708 709 /* Cache the tail address */ 710 txr->tail = IXGBE_TDT(j); 711 712 txr->txr_no_space = false; 713 714 /* Disable Head Writeback */ 715 /* 716 * Note: for X550 series devices, these registers are actually 717 * prefixed with TPH_ isntead of DCA_, but the addresses and 718 * fields remain the same. 719 */ 720 switch (hw->mac.type) { 721 case ixgbe_mac_82598EB: 722 txctrl = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(j)); 723 break; 724 default: 725 txctrl = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL_82599(j)); 726 break; 727 } 728 txctrl &= ~IXGBE_DCA_TXCTRL_DESC_WRO_EN; 729 switch (hw->mac.type) { 730 case ixgbe_mac_82598EB: 731 IXGBE_WRITE_REG(hw, IXGBE_DCA_TXCTRL(j), txctrl); 732 break; 733 default: 734 IXGBE_WRITE_REG(hw, IXGBE_DCA_TXCTRL_82599(j), txctrl); 735 break; 736 } 737 738 } 739 740 if (hw->mac.type != ixgbe_mac_82598EB) { 741 u32 dmatxctl, rttdcs; 742 743 dmatxctl = IXGBE_READ_REG(hw, IXGBE_DMATXCTL); 744 dmatxctl |= IXGBE_DMATXCTL_TE; 745 IXGBE_WRITE_REG(hw, IXGBE_DMATXCTL, dmatxctl); 746 /* Disable arbiter to set MTQC */ 747 rttdcs = IXGBE_READ_REG(hw, IXGBE_RTTDCS); 748 rttdcs |= IXGBE_RTTDCS_ARBDIS; 749 IXGBE_WRITE_REG(hw, IXGBE_RTTDCS, rttdcs); 750 IXGBE_WRITE_REG(hw, IXGBE_MTQC, 751 ixgbe_get_mtqc(adapter->iov_mode)); 752 rttdcs &= ~IXGBE_RTTDCS_ARBDIS; 753 IXGBE_WRITE_REG(hw, IXGBE_RTTDCS, rttdcs); 754 } 755 756 return; 757 } /* ixgbe_initialize_transmit_units */ 758 759 /************************************************************************ 760 * ixgbe_attach - Device initialization routine 761 * 762 * Called when the driver is being loaded. 763 * Identifies the type of hardware, allocates all resources 764 * and initializes the hardware. 765 * 766 * return 0 on success, positive on failure 767 ************************************************************************/ 768 static void 769 ixgbe_attach(device_t parent, device_t dev, void *aux) 770 { 771 struct adapter *adapter; 772 struct ixgbe_hw *hw; 773 int error = -1; 774 u32 ctrl_ext; 775 u16 high, low, nvmreg; 776 pcireg_t id, subid; 777 const ixgbe_vendor_info_t *ent; 778 struct pci_attach_args *pa = aux; 779 const char *str; 780 char buf[256]; 781 782 INIT_DEBUGOUT("ixgbe_attach: begin"); 783 784 /* Allocate, clear, and link in our adapter structure */ 785 adapter = device_private(dev); 786 adapter->hw.back = adapter; 787 adapter->dev = dev; 788 hw = &adapter->hw; 789 adapter->osdep.pc = pa->pa_pc; 790 adapter->osdep.tag = pa->pa_tag; 791 if (pci_dma64_available(pa)) 792 adapter->osdep.dmat = pa->pa_dmat64; 793 else 794 adapter->osdep.dmat = pa->pa_dmat; 795 adapter->osdep.attached = false; 796 797 ent = ixgbe_lookup(pa); 798 799 KASSERT(ent != NULL); 800 801 aprint_normal(": %s, Version - %s\n", 802 ixgbe_strings[ent->index], ixgbe_driver_version); 803 804 /* Core Lock Init*/ 805 IXGBE_CORE_LOCK_INIT(adapter, device_xname(dev)); 806 807 /* Set up the timer callout */ 808 callout_init(&adapter->timer, IXGBE_CALLOUT_FLAGS); 809 810 /* Determine hardware revision */ 811 id = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_ID_REG); 812 subid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG); 813 814 hw->vendor_id = PCI_VENDOR(id); 815 hw->device_id = PCI_PRODUCT(id); 816 hw->revision_id = 817 PCI_REVISION(pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_CLASS_REG)); 818 hw->subsystem_vendor_id = PCI_SUBSYS_VENDOR(subid); 819 hw->subsystem_device_id = PCI_SUBSYS_ID(subid); 820 821 /* 822 * Make sure BUSMASTER is set 823 */ 824 ixgbe_pci_enable_busmaster(pa->pa_pc, pa->pa_tag); 825 826 /* Do base PCI setup - map BAR0 */ 827 if (ixgbe_allocate_pci_resources(adapter, pa)) { 828 aprint_error_dev(dev, "Allocation of PCI resources failed\n"); 829 error = ENXIO; 830 goto err_out; 831 } 832 833 /* let hardware know driver is loaded */ 834 ctrl_ext = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT); 835 ctrl_ext |= IXGBE_CTRL_EXT_DRV_LOAD; 836 IXGBE_WRITE_REG(hw, IXGBE_CTRL_EXT, ctrl_ext); 837 838 /* 839 * Initialize the shared code 840 */ 841 if (ixgbe_init_shared_code(hw) != 0) { 842 aprint_error_dev(dev, "Unable to initialize the shared code\n"); 843 error = ENXIO; 844 goto err_out; 845 } 846 847 switch (hw->mac.type) { 848 case ixgbe_mac_82598EB: 849 str = "82598EB"; 850 break; 851 case ixgbe_mac_82599EB: 852 str = "82599EB"; 853 break; 854 case ixgbe_mac_X540: 855 str = "X540"; 856 break; 857 case ixgbe_mac_X550: 858 str = "X550"; 859 break; 860 case ixgbe_mac_X550EM_x: 861 str = "X550EM"; 862 break; 863 case ixgbe_mac_X550EM_a: 864 str = "X550EM A"; 865 break; 866 default: 867 str = "Unknown"; 868 break; 869 } 870 aprint_normal_dev(dev, "device %s\n", str); 871 872 if (hw->mbx.ops.init_params) 873 hw->mbx.ops.init_params(hw); 874 875 hw->allow_unsupported_sfp = allow_unsupported_sfp; 876 877 /* Pick up the 82599 settings */ 878 if (hw->mac.type != ixgbe_mac_82598EB) { 879 hw->phy.smart_speed = ixgbe_smart_speed; 880 adapter->num_segs = IXGBE_82599_SCATTER; 881 } else 882 adapter->num_segs = IXGBE_82598_SCATTER; 883 884 /* Ensure SW/FW semaphore is free */ 885 ixgbe_init_swfw_semaphore(hw); 886 887 hw->mac.ops.set_lan_id(hw); 888 ixgbe_init_device_features(adapter); 889 890 if (ixgbe_configure_interrupts(adapter)) { 891 error = ENXIO; 892 goto err_out; 893 } 894 895 /* Allocate multicast array memory. */ 896 adapter->mta = malloc(sizeof(*adapter->mta) * 897 MAX_NUM_MULTICAST_ADDRESSES, M_DEVBUF, M_NOWAIT); 898 if (adapter->mta == NULL) { 899 aprint_error_dev(dev, "Cannot allocate multicast setup array\n"); 900 error = ENOMEM; 901 goto err_out; 902 } 903 904 /* Enable WoL (if supported) */ 905 ixgbe_check_wol_support(adapter); 906 907 /* Register for VLAN events */ 908 ether_set_vlan_cb(&adapter->osdep.ec, ixgbe_vlan_cb); 909 910 /* Verify adapter fan is still functional (if applicable) */ 911 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) { 912 u32 esdp = IXGBE_READ_REG(hw, IXGBE_ESDP); 913 ixgbe_check_fan_failure(adapter, esdp, FALSE); 914 } 915 916 /* Set an initial default flow control value */ 917 hw->fc.requested_mode = ixgbe_flow_control; 918 919 /* Sysctls for limiting the amount of work done in the taskqueues */ 920 ixgbe_set_sysctl_value(adapter, "rx_processing_limit", 921 "max number of rx packets to process", 922 &adapter->rx_process_limit, ixgbe_rx_process_limit); 923 924 ixgbe_set_sysctl_value(adapter, "tx_processing_limit", 925 "max number of tx packets to process", 926 &adapter->tx_process_limit, ixgbe_tx_process_limit); 927 928 /* Do descriptor calc and sanity checks */ 929 if (((ixgbe_txd * sizeof(union ixgbe_adv_tx_desc)) % DBA_ALIGN) != 0 || 930 ixgbe_txd < MIN_TXD || ixgbe_txd > MAX_TXD) { 931 aprint_error_dev(dev, "TXD config issue, using default!\n"); 932 adapter->num_tx_desc = DEFAULT_TXD; 933 } else 934 adapter->num_tx_desc = ixgbe_txd; 935 936 if (((ixgbe_rxd * sizeof(union ixgbe_adv_rx_desc)) % DBA_ALIGN) != 0 || 937 ixgbe_rxd < MIN_RXD || ixgbe_rxd > MAX_RXD) { 938 aprint_error_dev(dev, "RXD config issue, using default!\n"); 939 adapter->num_rx_desc = DEFAULT_RXD; 940 } else 941 adapter->num_rx_desc = ixgbe_rxd; 942 943 /* Allocate our TX/RX Queues */ 944 if (ixgbe_allocate_queues(adapter)) { 945 error = ENOMEM; 946 goto err_out; 947 } 948 949 hw->phy.reset_if_overtemp = TRUE; 950 error = ixgbe_reset_hw(hw); 951 hw->phy.reset_if_overtemp = FALSE; 952 if (error == IXGBE_ERR_SFP_NOT_PRESENT) { 953 /* 954 * No optics in this port, set up 955 * so the timer routine will probe 956 * for later insertion. 957 */ 958 adapter->sfp_probe = TRUE; 959 error = IXGBE_SUCCESS; 960 } else if (error == IXGBE_ERR_SFP_NOT_SUPPORTED) { 961 aprint_error_dev(dev, "Unsupported SFP+ module detected!\n"); 962 error = EIO; 963 goto err_late; 964 } else if (error) { 965 aprint_error_dev(dev, "Hardware initialization failed\n"); 966 error = EIO; 967 goto err_late; 968 } 969 970 /* Make sure we have a good EEPROM before we read from it */ 971 if (ixgbe_validate_eeprom_checksum(&adapter->hw, NULL) < 0) { 972 aprint_error_dev(dev, "The EEPROM Checksum Is Not Valid\n"); 973 error = EIO; 974 goto err_late; 975 } 976 977 aprint_normal("%s:", device_xname(dev)); 978 /* NVM Image Version */ 979 high = low = 0; 980 switch (hw->mac.type) { 981 case ixgbe_mac_X540: 982 case ixgbe_mac_X550EM_a: 983 hw->eeprom.ops.read(hw, IXGBE_NVM_IMAGE_VER, &nvmreg); 984 if (nvmreg == 0xffff) 985 break; 986 high = (nvmreg >> 12) & 0x0f; 987 low = (nvmreg >> 4) & 0xff; 988 id = nvmreg & 0x0f; 989 aprint_normal(" NVM Image Version %u.", high); 990 if (hw->mac.type == ixgbe_mac_X540) 991 str = "%x"; 992 else 993 str = "%02x"; 994 aprint_normal(str, low); 995 aprint_normal(" ID 0x%x,", id); 996 break; 997 case ixgbe_mac_X550EM_x: 998 case ixgbe_mac_X550: 999 hw->eeprom.ops.read(hw, IXGBE_NVM_IMAGE_VER, &nvmreg); 1000 if (nvmreg == 0xffff) 1001 break; 1002 high = (nvmreg >> 12) & 0x0f; 1003 low = nvmreg & 0xff; 1004 aprint_normal(" NVM Image Version %u.%02x,", high, low); 1005 break; 1006 default: 1007 break; 1008 } 1009 hw->eeprom.nvm_image_ver_high = high; 1010 hw->eeprom.nvm_image_ver_low = low; 1011 1012 /* PHY firmware revision */ 1013 switch (hw->mac.type) { 1014 case ixgbe_mac_X540: 1015 case ixgbe_mac_X550: 1016 hw->eeprom.ops.read(hw, IXGBE_PHYFW_REV, &nvmreg); 1017 if (nvmreg == 0xffff) 1018 break; 1019 high = (nvmreg >> 12) & 0x0f; 1020 low = (nvmreg >> 4) & 0xff; 1021 id = nvmreg & 0x000f; 1022 aprint_normal(" PHY FW Revision %u.", high); 1023 if (hw->mac.type == ixgbe_mac_X540) 1024 str = "%x"; 1025 else 1026 str = "%02x"; 1027 aprint_normal(str, low); 1028 aprint_normal(" ID 0x%x,", id); 1029 break; 1030 default: 1031 break; 1032 } 1033 1034 /* NVM Map version & OEM NVM Image version */ 1035 switch (hw->mac.type) { 1036 case ixgbe_mac_X550: 1037 case ixgbe_mac_X550EM_x: 1038 case ixgbe_mac_X550EM_a: 1039 hw->eeprom.ops.read(hw, IXGBE_NVM_MAP_VER, &nvmreg); 1040 if (nvmreg != 0xffff) { 1041 high = (nvmreg >> 12) & 0x0f; 1042 low = nvmreg & 0x00ff; 1043 aprint_normal(" NVM Map version %u.%02x,", high, low); 1044 } 1045 hw->eeprom.ops.read(hw, IXGBE_OEM_NVM_IMAGE_VER, &nvmreg); 1046 if (nvmreg != 0xffff) { 1047 high = (nvmreg >> 12) & 0x0f; 1048 low = nvmreg & 0x00ff; 1049 aprint_verbose(" OEM NVM Image version %u.%02x,", high, 1050 low); 1051 } 1052 break; 1053 default: 1054 break; 1055 } 1056 1057 /* Print the ETrackID */ 1058 hw->eeprom.ops.read(hw, IXGBE_ETRACKID_H, &high); 1059 hw->eeprom.ops.read(hw, IXGBE_ETRACKID_L, &low); 1060 aprint_normal(" ETrackID %08x\n", ((uint32_t)high << 16) | low); 1061 1062 if (adapter->feat_en & IXGBE_FEATURE_MSIX) { 1063 error = ixgbe_allocate_msix(adapter, pa); 1064 if (error) { 1065 /* Free allocated queue structures first */ 1066 ixgbe_free_transmit_structures(adapter); 1067 ixgbe_free_receive_structures(adapter); 1068 free(adapter->queues, M_DEVBUF); 1069 1070 /* Fallback to legacy interrupt */ 1071 adapter->feat_en &= ~IXGBE_FEATURE_MSIX; 1072 if (adapter->feat_cap & IXGBE_FEATURE_MSI) 1073 adapter->feat_en |= IXGBE_FEATURE_MSI; 1074 adapter->num_queues = 1; 1075 1076 /* Allocate our TX/RX Queues again */ 1077 if (ixgbe_allocate_queues(adapter)) { 1078 error = ENOMEM; 1079 goto err_out; 1080 } 1081 } 1082 } 1083 /* Recovery mode */ 1084 switch (adapter->hw.mac.type) { 1085 case ixgbe_mac_X550: 1086 case ixgbe_mac_X550EM_x: 1087 case ixgbe_mac_X550EM_a: 1088 /* >= 2.00 */ 1089 if (hw->eeprom.nvm_image_ver_high >= 2) { 1090 adapter->feat_cap |= IXGBE_FEATURE_RECOVERY_MODE; 1091 adapter->feat_en |= IXGBE_FEATURE_RECOVERY_MODE; 1092 } 1093 break; 1094 default: 1095 break; 1096 } 1097 1098 if ((adapter->feat_en & IXGBE_FEATURE_MSIX) == 0) 1099 error = ixgbe_allocate_legacy(adapter, pa); 1100 if (error) 1101 goto err_late; 1102 1103 /* Tasklets for Link, SFP, Multispeed Fiber and Flow Director */ 1104 adapter->link_si = softint_establish(SOFTINT_NET |IXGBE_SOFTINFT_FLAGS, 1105 ixgbe_handle_link, adapter); 1106 adapter->mod_si = softint_establish(SOFTINT_NET | IXGBE_SOFTINFT_FLAGS, 1107 ixgbe_handle_mod, adapter); 1108 adapter->msf_si = softint_establish(SOFTINT_NET | IXGBE_SOFTINFT_FLAGS, 1109 ixgbe_handle_msf, adapter); 1110 adapter->phy_si = softint_establish(SOFTINT_NET | IXGBE_SOFTINFT_FLAGS, 1111 ixgbe_handle_phy, adapter); 1112 if (adapter->feat_en & IXGBE_FEATURE_FDIR) 1113 adapter->fdir_si = 1114 softint_establish(SOFTINT_NET | IXGBE_SOFTINFT_FLAGS, 1115 ixgbe_reinit_fdir, adapter); 1116 if ((adapter->link_si == NULL) || (adapter->mod_si == NULL) 1117 || (adapter->msf_si == NULL) || (adapter->phy_si == NULL) 1118 || ((adapter->feat_en & IXGBE_FEATURE_FDIR) 1119 && (adapter->fdir_si == NULL))) { 1120 aprint_error_dev(dev, 1121 "could not establish software interrupts ()\n"); 1122 goto err_out; 1123 } 1124 1125 error = ixgbe_start_hw(hw); 1126 switch (error) { 1127 case IXGBE_ERR_EEPROM_VERSION: 1128 aprint_error_dev(dev, "This device is a pre-production adapter/" 1129 "LOM. Please be aware there may be issues associated " 1130 "with your hardware.\nIf you are experiencing problems " 1131 "please contact your Intel or hardware representative " 1132 "who provided you with this hardware.\n"); 1133 break; 1134 case IXGBE_ERR_SFP_NOT_SUPPORTED: 1135 aprint_error_dev(dev, "Unsupported SFP+ Module\n"); 1136 error = EIO; 1137 goto err_late; 1138 case IXGBE_ERR_SFP_NOT_PRESENT: 1139 aprint_error_dev(dev, "No SFP+ Module found\n"); 1140 /* falls thru */ 1141 default: 1142 break; 1143 } 1144 1145 /* Setup OS specific network interface */ 1146 if (ixgbe_setup_interface(dev, adapter) != 0) 1147 goto err_late; 1148 1149 /* 1150 * Print PHY ID only for copper PHY. On device which has SFP(+) cage 1151 * and a module is inserted, phy.id is not MII PHY id but SFF 8024 ID. 1152 */ 1153 if (hw->phy.media_type == ixgbe_media_type_copper) { 1154 uint16_t id1, id2; 1155 int oui, model, rev; 1156 const char *descr; 1157 1158 id1 = hw->phy.id >> 16; 1159 id2 = hw->phy.id & 0xffff; 1160 oui = MII_OUI(id1, id2); 1161 model = MII_MODEL(id2); 1162 rev = MII_REV(id2); 1163 if ((descr = mii_get_descr(oui, model)) != NULL) 1164 aprint_normal_dev(dev, 1165 "PHY: %s (OUI 0x%06x, model 0x%04x), rev. %d\n", 1166 descr, oui, model, rev); 1167 else 1168 aprint_normal_dev(dev, 1169 "PHY OUI 0x%06x, model 0x%04x, rev. %d\n", 1170 oui, model, rev); 1171 } 1172 1173 /* Enable the optics for 82599 SFP+ fiber */ 1174 ixgbe_enable_tx_laser(hw); 1175 1176 /* Enable EEE power saving */ 1177 if (adapter->feat_cap & IXGBE_FEATURE_EEE) 1178 hw->mac.ops.setup_eee(hw, 1179 adapter->feat_en & IXGBE_FEATURE_EEE); 1180 1181 /* Enable power to the phy. */ 1182 ixgbe_set_phy_power(hw, TRUE); 1183 1184 /* Initialize statistics */ 1185 ixgbe_update_stats_counters(adapter); 1186 1187 /* Check PCIE slot type/speed/width */ 1188 ixgbe_get_slot_info(adapter); 1189 1190 /* 1191 * Do time init and sysctl init here, but 1192 * only on the first port of a bypass adapter. 1193 */ 1194 ixgbe_bypass_init(adapter); 1195 1196 /* Set an initial dmac value */ 1197 adapter->dmac = 0; 1198 /* Set initial advertised speeds (if applicable) */ 1199 adapter->advertise = ixgbe_get_advertise(adapter); 1200 1201 if (adapter->feat_cap & IXGBE_FEATURE_SRIOV) 1202 ixgbe_define_iov_schemas(dev, &error); 1203 1204 /* Add sysctls */ 1205 ixgbe_add_device_sysctls(adapter); 1206 ixgbe_add_hw_stats(adapter); 1207 1208 /* For Netmap */ 1209 adapter->init_locked = ixgbe_init_locked; 1210 adapter->stop_locked = ixgbe_stop; 1211 1212 if (adapter->feat_en & IXGBE_FEATURE_NETMAP) 1213 ixgbe_netmap_attach(adapter); 1214 1215 snprintb(buf, sizeof(buf), IXGBE_FEATURE_FLAGS, adapter->feat_cap); 1216 aprint_verbose_dev(dev, "feature cap %s\n", buf); 1217 snprintb(buf, sizeof(buf), IXGBE_FEATURE_FLAGS, adapter->feat_en); 1218 aprint_verbose_dev(dev, "feature ena %s\n", buf); 1219 1220 if (pmf_device_register(dev, ixgbe_suspend, ixgbe_resume)) 1221 pmf_class_network_register(dev, adapter->ifp); 1222 else 1223 aprint_error_dev(dev, "couldn't establish power handler\n"); 1224 1225 /* Init recovery mode timer and state variable */ 1226 if (adapter->feat_en & IXGBE_FEATURE_RECOVERY_MODE) { 1227 adapter->recovery_mode = 0; 1228 1229 /* Set up the timer callout */ 1230 callout_init(&adapter->recovery_mode_timer, 1231 IXGBE_CALLOUT_FLAGS); 1232 1233 /* Start the task */ 1234 callout_reset(&adapter->recovery_mode_timer, hz, 1235 ixgbe_recovery_mode_timer, adapter); 1236 } 1237 1238 INIT_DEBUGOUT("ixgbe_attach: end"); 1239 adapter->osdep.attached = true; 1240 1241 return; 1242 1243 err_late: 1244 ixgbe_free_transmit_structures(adapter); 1245 ixgbe_free_receive_structures(adapter); 1246 free(adapter->queues, M_DEVBUF); 1247 err_out: 1248 ctrl_ext = IXGBE_READ_REG(&adapter->hw, IXGBE_CTRL_EXT); 1249 ctrl_ext &= ~IXGBE_CTRL_EXT_DRV_LOAD; 1250 IXGBE_WRITE_REG(&adapter->hw, IXGBE_CTRL_EXT, ctrl_ext); 1251 ixgbe_free_softint(adapter); 1252 ixgbe_free_pci_resources(adapter); 1253 if (adapter->mta != NULL) 1254 free(adapter->mta, M_DEVBUF); 1255 IXGBE_CORE_LOCK_DESTROY(adapter); 1256 1257 return; 1258 } /* ixgbe_attach */ 1259 1260 /************************************************************************ 1261 * ixgbe_check_wol_support 1262 * 1263 * Checks whether the adapter's ports are capable of 1264 * Wake On LAN by reading the adapter's NVM. 1265 * 1266 * Sets each port's hw->wol_enabled value depending 1267 * on the value read here. 1268 ************************************************************************/ 1269 static void 1270 ixgbe_check_wol_support(struct adapter *adapter) 1271 { 1272 struct ixgbe_hw *hw = &adapter->hw; 1273 u16 dev_caps = 0; 1274 1275 /* Find out WoL support for port */ 1276 adapter->wol_support = hw->wol_enabled = 0; 1277 ixgbe_get_device_caps(hw, &dev_caps); 1278 if ((dev_caps & IXGBE_DEVICE_CAPS_WOL_PORT0_1) || 1279 ((dev_caps & IXGBE_DEVICE_CAPS_WOL_PORT0) && 1280 hw->bus.func == 0)) 1281 adapter->wol_support = hw->wol_enabled = 1; 1282 1283 /* Save initial wake up filter configuration */ 1284 adapter->wufc = IXGBE_READ_REG(hw, IXGBE_WUFC); 1285 1286 return; 1287 } /* ixgbe_check_wol_support */ 1288 1289 /************************************************************************ 1290 * ixgbe_setup_interface 1291 * 1292 * Setup networking device structure and register an interface. 1293 ************************************************************************/ 1294 static int 1295 ixgbe_setup_interface(device_t dev, struct adapter *adapter) 1296 { 1297 struct ethercom *ec = &adapter->osdep.ec; 1298 struct ifnet *ifp; 1299 int rv; 1300 1301 INIT_DEBUGOUT("ixgbe_setup_interface: begin"); 1302 1303 ifp = adapter->ifp = &ec->ec_if; 1304 strlcpy(ifp->if_xname, device_xname(dev), IFNAMSIZ); 1305 ifp->if_baudrate = IF_Gbps(10); 1306 ifp->if_init = ixgbe_init; 1307 ifp->if_stop = ixgbe_ifstop; 1308 ifp->if_softc = adapter; 1309 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 1310 #ifdef IXGBE_MPSAFE 1311 ifp->if_extflags = IFEF_MPSAFE; 1312 #endif 1313 ifp->if_ioctl = ixgbe_ioctl; 1314 #if __FreeBSD_version >= 1100045 1315 /* TSO parameters */ 1316 ifp->if_hw_tsomax = 65518; 1317 ifp->if_hw_tsomaxsegcount = IXGBE_82599_SCATTER; 1318 ifp->if_hw_tsomaxsegsize = 2048; 1319 #endif 1320 if (adapter->feat_en & IXGBE_FEATURE_LEGACY_TX) { 1321 #if 0 1322 ixgbe_start_locked = ixgbe_legacy_start_locked; 1323 #endif 1324 } else { 1325 ifp->if_transmit = ixgbe_mq_start; 1326 #if 0 1327 ixgbe_start_locked = ixgbe_mq_start_locked; 1328 #endif 1329 } 1330 ifp->if_start = ixgbe_legacy_start; 1331 IFQ_SET_MAXLEN(&ifp->if_snd, adapter->num_tx_desc - 2); 1332 IFQ_SET_READY(&ifp->if_snd); 1333 1334 rv = if_initialize(ifp); 1335 if (rv != 0) { 1336 aprint_error_dev(dev, "if_initialize failed(%d)\n", rv); 1337 return rv; 1338 } 1339 adapter->ipq = if_percpuq_create(&adapter->osdep.ec.ec_if); 1340 ether_ifattach(ifp, adapter->hw.mac.addr); 1341 /* 1342 * We use per TX queue softint, so if_deferred_start_init() isn't 1343 * used. 1344 */ 1345 ether_set_ifflags_cb(ec, ixgbe_ifflags_cb); 1346 1347 adapter->max_frame_size = ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN; 1348 1349 /* 1350 * Tell the upper layer(s) we support long frames. 1351 */ 1352 ifp->if_hdrlen = sizeof(struct ether_vlan_header); 1353 1354 /* Set capability flags */ 1355 ifp->if_capabilities |= IFCAP_RXCSUM 1356 | IFCAP_TXCSUM 1357 | IFCAP_TSOv4 1358 | IFCAP_TSOv6; 1359 ifp->if_capenable = 0; 1360 1361 ec->ec_capabilities |= ETHERCAP_VLAN_HWTAGGING 1362 | ETHERCAP_VLAN_HWCSUM 1363 | ETHERCAP_JUMBO_MTU 1364 | ETHERCAP_VLAN_MTU; 1365 1366 /* Enable the above capabilities by default */ 1367 ec->ec_capenable = ec->ec_capabilities; 1368 1369 /* 1370 * Don't turn this on by default, if vlans are 1371 * created on another pseudo device (eg. lagg) 1372 * then vlan events are not passed thru, breaking 1373 * operation, but with HW FILTER off it works. If 1374 * using vlans directly on the ixgbe driver you can 1375 * enable this and get full hardware tag filtering. 1376 */ 1377 ec->ec_capabilities |= ETHERCAP_VLAN_HWFILTER; 1378 1379 /* 1380 * Specify the media types supported by this adapter and register 1381 * callbacks to update media and link information 1382 */ 1383 ec->ec_ifmedia = &adapter->media; 1384 ifmedia_init(&adapter->media, IFM_IMASK, ixgbe_media_change, 1385 ixgbe_media_status); 1386 1387 adapter->phy_layer = ixgbe_get_supported_physical_layer(&adapter->hw); 1388 ixgbe_add_media_types(adapter); 1389 1390 /* Set autoselect media by default */ 1391 ifmedia_set(&adapter->media, IFM_ETHER | IFM_AUTO); 1392 1393 if_register(ifp); 1394 1395 return (0); 1396 } /* ixgbe_setup_interface */ 1397 1398 /************************************************************************ 1399 * ixgbe_add_media_types 1400 ************************************************************************/ 1401 static void 1402 ixgbe_add_media_types(struct adapter *adapter) 1403 { 1404 struct ixgbe_hw *hw = &adapter->hw; 1405 device_t dev = adapter->dev; 1406 u64 layer; 1407 1408 layer = adapter->phy_layer; 1409 1410 #define ADD(mm, dd) \ 1411 ifmedia_add(&adapter->media, IFM_ETHER | (mm), (dd), NULL); 1412 1413 ADD(IFM_NONE, 0); 1414 1415 /* Media types with matching NetBSD media defines */ 1416 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_T) { 1417 ADD(IFM_10G_T | IFM_FDX, 0); 1418 } 1419 if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_T) { 1420 ADD(IFM_1000_T | IFM_FDX, 0); 1421 } 1422 if (layer & IXGBE_PHYSICAL_LAYER_100BASE_TX) { 1423 ADD(IFM_100_TX | IFM_FDX, 0); 1424 } 1425 if (layer & IXGBE_PHYSICAL_LAYER_10BASE_T) { 1426 ADD(IFM_10_T | IFM_FDX, 0); 1427 } 1428 1429 if (layer & IXGBE_PHYSICAL_LAYER_SFP_PLUS_CU || 1430 layer & IXGBE_PHYSICAL_LAYER_SFP_ACTIVE_DA) { 1431 ADD(IFM_10G_TWINAX | IFM_FDX, 0); 1432 } 1433 1434 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_LR) { 1435 ADD(IFM_10G_LR | IFM_FDX, 0); 1436 if (hw->phy.multispeed_fiber) { 1437 ADD(IFM_1000_LX | IFM_FDX, 0); 1438 } 1439 } 1440 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_SR) { 1441 ADD(IFM_10G_SR | IFM_FDX, 0); 1442 if (hw->phy.multispeed_fiber) { 1443 ADD(IFM_1000_SX | IFM_FDX, 0); 1444 } 1445 } else if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_SX) { 1446 ADD(IFM_1000_SX | IFM_FDX, 0); 1447 } 1448 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_CX4) { 1449 ADD(IFM_10G_CX4 | IFM_FDX, 0); 1450 } 1451 1452 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KR) { 1453 ADD(IFM_10G_KR | IFM_FDX, 0); 1454 } 1455 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KX4) { 1456 ADD(IFM_10G_KX4 | IFM_FDX, 0); 1457 } 1458 if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_KX) { 1459 ADD(IFM_1000_KX | IFM_FDX, 0); 1460 } 1461 if (layer & IXGBE_PHYSICAL_LAYER_2500BASE_KX) { 1462 ADD(IFM_2500_KX | IFM_FDX, 0); 1463 } 1464 if (layer & IXGBE_PHYSICAL_LAYER_2500BASE_T) { 1465 ADD(IFM_2500_T | IFM_FDX, 0); 1466 } 1467 if (layer & IXGBE_PHYSICAL_LAYER_5GBASE_T) { 1468 ADD(IFM_5000_T | IFM_FDX, 0); 1469 } 1470 if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_BX) 1471 device_printf(dev, "Media supported: 1000baseBX\n"); 1472 /* XXX no ifmedia_set? */ 1473 1474 ADD(IFM_AUTO, 0); 1475 1476 #undef ADD 1477 } /* ixgbe_add_media_types */ 1478 1479 /************************************************************************ 1480 * ixgbe_is_sfp 1481 ************************************************************************/ 1482 static inline bool 1483 ixgbe_is_sfp(struct ixgbe_hw *hw) 1484 { 1485 switch (hw->mac.type) { 1486 case ixgbe_mac_82598EB: 1487 if (hw->phy.type == ixgbe_phy_nl) 1488 return (TRUE); 1489 return (FALSE); 1490 case ixgbe_mac_82599EB: 1491 switch (hw->mac.ops.get_media_type(hw)) { 1492 case ixgbe_media_type_fiber: 1493 case ixgbe_media_type_fiber_qsfp: 1494 return (TRUE); 1495 default: 1496 return (FALSE); 1497 } 1498 case ixgbe_mac_X550EM_x: 1499 case ixgbe_mac_X550EM_a: 1500 if (hw->mac.ops.get_media_type(hw) == ixgbe_media_type_fiber) 1501 return (TRUE); 1502 return (FALSE); 1503 default: 1504 return (FALSE); 1505 } 1506 } /* ixgbe_is_sfp */ 1507 1508 /************************************************************************ 1509 * ixgbe_config_link 1510 ************************************************************************/ 1511 static void 1512 ixgbe_config_link(struct adapter *adapter) 1513 { 1514 struct ixgbe_hw *hw = &adapter->hw; 1515 u32 autoneg, err = 0; 1516 bool sfp, negotiate = false; 1517 1518 sfp = ixgbe_is_sfp(hw); 1519 1520 if (sfp) { 1521 if (hw->phy.multispeed_fiber) { 1522 ixgbe_enable_tx_laser(hw); 1523 kpreempt_disable(); 1524 softint_schedule(adapter->msf_si); 1525 kpreempt_enable(); 1526 } 1527 kpreempt_disable(); 1528 softint_schedule(adapter->mod_si); 1529 kpreempt_enable(); 1530 } else { 1531 struct ifmedia *ifm = &adapter->media; 1532 1533 if (hw->mac.ops.check_link) 1534 err = ixgbe_check_link(hw, &adapter->link_speed, 1535 &adapter->link_up, FALSE); 1536 if (err) 1537 return; 1538 1539 /* 1540 * Check if it's the first call. If it's the first call, 1541 * get value for auto negotiation. 1542 */ 1543 autoneg = hw->phy.autoneg_advertised; 1544 if ((IFM_SUBTYPE(ifm->ifm_cur->ifm_media) != IFM_NONE) 1545 && ((!autoneg) && (hw->mac.ops.get_link_capabilities))) 1546 err = hw->mac.ops.get_link_capabilities(hw, &autoneg, 1547 &negotiate); 1548 if (err) 1549 return; 1550 if (hw->mac.ops.setup_link) 1551 err = hw->mac.ops.setup_link(hw, autoneg, 1552 adapter->link_up); 1553 } 1554 1555 } /* ixgbe_config_link */ 1556 1557 /************************************************************************ 1558 * ixgbe_update_stats_counters - Update board statistics counters. 1559 ************************************************************************/ 1560 static void 1561 ixgbe_update_stats_counters(struct adapter *adapter) 1562 { 1563 struct ifnet *ifp = adapter->ifp; 1564 struct ixgbe_hw *hw = &adapter->hw; 1565 struct ixgbe_hw_stats *stats = &adapter->stats.pf; 1566 u32 missed_rx = 0, bprc, lxon, lxoff, total; 1567 u64 total_missed_rx = 0; 1568 uint64_t crcerrs, rlec; 1569 unsigned int queue_counters; 1570 int i; 1571 1572 crcerrs = IXGBE_READ_REG(hw, IXGBE_CRCERRS); 1573 stats->crcerrs.ev_count += crcerrs; 1574 stats->illerrc.ev_count += IXGBE_READ_REG(hw, IXGBE_ILLERRC); 1575 stats->errbc.ev_count += IXGBE_READ_REG(hw, IXGBE_ERRBC); 1576 stats->mspdc.ev_count += IXGBE_READ_REG(hw, IXGBE_MSPDC); 1577 if (hw->mac.type == ixgbe_mac_X550) 1578 stats->mbsdc.ev_count += IXGBE_READ_REG(hw, IXGBE_MBSDC); 1579 1580 /* 16 registers exist */ 1581 queue_counters = uimin(__arraycount(stats->qprc), adapter->num_queues); 1582 for (i = 0; i < queue_counters; i++) { 1583 stats->qprc[i].ev_count += IXGBE_READ_REG(hw, IXGBE_QPRC(i)); 1584 stats->qptc[i].ev_count += IXGBE_READ_REG(hw, IXGBE_QPTC(i)); 1585 if (hw->mac.type >= ixgbe_mac_82599EB) { 1586 stats->qprdc[i].ev_count 1587 += IXGBE_READ_REG(hw, IXGBE_QPRDC(i)); 1588 } 1589 } 1590 1591 /* 8 registers exist */ 1592 for (i = 0; i < IXGBE_TC_COUNTER_NUM; i++) { 1593 uint32_t mp; 1594 1595 /* MPC */ 1596 mp = IXGBE_READ_REG(hw, IXGBE_MPC(i)); 1597 /* global total per queue */ 1598 stats->mpc[i].ev_count += mp; 1599 /* running comprehensive total for stats display */ 1600 total_missed_rx += mp; 1601 1602 if (hw->mac.type == ixgbe_mac_82598EB) 1603 stats->rnbc[i].ev_count 1604 += IXGBE_READ_REG(hw, IXGBE_RNBC(i)); 1605 1606 stats->pxontxc[i].ev_count 1607 += IXGBE_READ_REG(hw, IXGBE_PXONTXC(i)); 1608 stats->pxofftxc[i].ev_count 1609 += IXGBE_READ_REG(hw, IXGBE_PXOFFTXC(i)); 1610 if (hw->mac.type >= ixgbe_mac_82599EB) { 1611 stats->pxonrxc[i].ev_count 1612 += IXGBE_READ_REG(hw, IXGBE_PXONRXCNT(i)); 1613 stats->pxoffrxc[i].ev_count 1614 += IXGBE_READ_REG(hw, IXGBE_PXOFFRXCNT(i)); 1615 stats->pxon2offc[i].ev_count 1616 += IXGBE_READ_REG(hw, IXGBE_PXON2OFFCNT(i)); 1617 } else { 1618 stats->pxonrxc[i].ev_count 1619 += IXGBE_READ_REG(hw, IXGBE_PXONRXC(i)); 1620 stats->pxoffrxc[i].ev_count 1621 += IXGBE_READ_REG(hw, IXGBE_PXOFFRXC(i)); 1622 } 1623 } 1624 stats->mpctotal.ev_count += total_missed_rx; 1625 1626 /* Document says M[LR]FC are valid when link is up and 10Gbps */ 1627 if ((adapter->link_active == LINK_STATE_UP) 1628 && (adapter->link_speed == IXGBE_LINK_SPEED_10GB_FULL)) { 1629 stats->mlfc.ev_count += IXGBE_READ_REG(hw, IXGBE_MLFC); 1630 stats->mrfc.ev_count += IXGBE_READ_REG(hw, IXGBE_MRFC); 1631 } 1632 rlec = IXGBE_READ_REG(hw, IXGBE_RLEC); 1633 stats->rlec.ev_count += rlec; 1634 1635 /* Hardware workaround, gprc counts missed packets */ 1636 stats->gprc.ev_count += IXGBE_READ_REG(hw, IXGBE_GPRC) - missed_rx; 1637 1638 lxon = IXGBE_READ_REG(hw, IXGBE_LXONTXC); 1639 stats->lxontxc.ev_count += lxon; 1640 lxoff = IXGBE_READ_REG(hw, IXGBE_LXOFFTXC); 1641 stats->lxofftxc.ev_count += lxoff; 1642 total = lxon + lxoff; 1643 1644 if (hw->mac.type != ixgbe_mac_82598EB) { 1645 stats->gorc.ev_count += IXGBE_READ_REG(hw, IXGBE_GORCL) + 1646 ((u64)IXGBE_READ_REG(hw, IXGBE_GORCH) << 32); 1647 stats->gotc.ev_count += IXGBE_READ_REG(hw, IXGBE_GOTCL) + 1648 ((u64)IXGBE_READ_REG(hw, IXGBE_GOTCH) << 32) - total * ETHER_MIN_LEN; 1649 stats->tor.ev_count += IXGBE_READ_REG(hw, IXGBE_TORL) + 1650 ((u64)IXGBE_READ_REG(hw, IXGBE_TORH) << 32); 1651 stats->lxonrxc.ev_count += IXGBE_READ_REG(hw, IXGBE_LXONRXCNT); 1652 stats->lxoffrxc.ev_count += IXGBE_READ_REG(hw, IXGBE_LXOFFRXCNT); 1653 } else { 1654 stats->lxonrxc.ev_count += IXGBE_READ_REG(hw, IXGBE_LXONRXC); 1655 stats->lxoffrxc.ev_count += IXGBE_READ_REG(hw, IXGBE_LXOFFRXC); 1656 /* 82598 only has a counter in the high register */ 1657 stats->gorc.ev_count += IXGBE_READ_REG(hw, IXGBE_GORCH); 1658 stats->gotc.ev_count += IXGBE_READ_REG(hw, IXGBE_GOTCH) - total * ETHER_MIN_LEN; 1659 stats->tor.ev_count += IXGBE_READ_REG(hw, IXGBE_TORH); 1660 } 1661 1662 /* 1663 * Workaround: mprc hardware is incorrectly counting 1664 * broadcasts, so for now we subtract those. 1665 */ 1666 bprc = IXGBE_READ_REG(hw, IXGBE_BPRC); 1667 stats->bprc.ev_count += bprc; 1668 stats->mprc.ev_count += IXGBE_READ_REG(hw, IXGBE_MPRC) 1669 - ((hw->mac.type == ixgbe_mac_82598EB) ? bprc : 0); 1670 1671 stats->prc64.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC64); 1672 stats->prc127.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC127); 1673 stats->prc255.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC255); 1674 stats->prc511.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC511); 1675 stats->prc1023.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC1023); 1676 stats->prc1522.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC1522); 1677 1678 stats->gptc.ev_count += IXGBE_READ_REG(hw, IXGBE_GPTC) - total; 1679 stats->mptc.ev_count += IXGBE_READ_REG(hw, IXGBE_MPTC) - total; 1680 stats->ptc64.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC64) - total; 1681 1682 stats->ruc.ev_count += IXGBE_READ_REG(hw, IXGBE_RUC); 1683 stats->rfc.ev_count += IXGBE_READ_REG(hw, IXGBE_RFC); 1684 stats->roc.ev_count += IXGBE_READ_REG(hw, IXGBE_ROC); 1685 stats->rjc.ev_count += IXGBE_READ_REG(hw, IXGBE_RJC); 1686 stats->mngprc.ev_count += IXGBE_READ_REG(hw, IXGBE_MNGPRC); 1687 stats->mngpdc.ev_count += IXGBE_READ_REG(hw, IXGBE_MNGPDC); 1688 stats->mngptc.ev_count += IXGBE_READ_REG(hw, IXGBE_MNGPTC); 1689 stats->tpr.ev_count += IXGBE_READ_REG(hw, IXGBE_TPR); 1690 stats->tpt.ev_count += IXGBE_READ_REG(hw, IXGBE_TPT); 1691 stats->ptc127.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC127); 1692 stats->ptc255.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC255); 1693 stats->ptc511.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC511); 1694 stats->ptc1023.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC1023); 1695 stats->ptc1522.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC1522); 1696 stats->bptc.ev_count += IXGBE_READ_REG(hw, IXGBE_BPTC); 1697 stats->xec.ev_count += IXGBE_READ_REG(hw, IXGBE_XEC); 1698 stats->fccrc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCCRC); 1699 stats->fclast.ev_count += IXGBE_READ_REG(hw, IXGBE_FCLAST); 1700 /* Only read FCOE on 82599 */ 1701 if (hw->mac.type != ixgbe_mac_82598EB) { 1702 stats->fcoerpdc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOERPDC); 1703 stats->fcoeprc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOEPRC); 1704 stats->fcoeptc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOEPTC); 1705 stats->fcoedwrc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOEDWRC); 1706 stats->fcoedwtc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOEDWTC); 1707 } 1708 1709 /* Fill out the OS statistics structure */ 1710 /* 1711 * NetBSD: Don't override if_{i|o}{packets|bytes|mcasts} with 1712 * adapter->stats counters. It's required to make ifconfig -z 1713 * (SOICZIFDATA) work. 1714 */ 1715 ifp->if_collisions = 0; 1716 1717 /* Rx Errors */ 1718 ifp->if_iqdrops += total_missed_rx; 1719 ifp->if_ierrors += crcerrs + rlec; 1720 } /* ixgbe_update_stats_counters */ 1721 1722 /************************************************************************ 1723 * ixgbe_add_hw_stats 1724 * 1725 * Add sysctl variables, one per statistic, to the system. 1726 ************************************************************************/ 1727 static void 1728 ixgbe_add_hw_stats(struct adapter *adapter) 1729 { 1730 device_t dev = adapter->dev; 1731 const struct sysctlnode *rnode, *cnode; 1732 struct sysctllog **log = &adapter->sysctllog; 1733 struct tx_ring *txr = adapter->tx_rings; 1734 struct rx_ring *rxr = adapter->rx_rings; 1735 struct ixgbe_hw *hw = &adapter->hw; 1736 struct ixgbe_hw_stats *stats = &adapter->stats.pf; 1737 const char *xname = device_xname(dev); 1738 int i; 1739 1740 /* Driver Statistics */ 1741 evcnt_attach_dynamic(&adapter->efbig_tx_dma_setup, EVCNT_TYPE_MISC, 1742 NULL, xname, "Driver tx dma soft fail EFBIG"); 1743 evcnt_attach_dynamic(&adapter->mbuf_defrag_failed, EVCNT_TYPE_MISC, 1744 NULL, xname, "m_defrag() failed"); 1745 evcnt_attach_dynamic(&adapter->efbig2_tx_dma_setup, EVCNT_TYPE_MISC, 1746 NULL, xname, "Driver tx dma hard fail EFBIG"); 1747 evcnt_attach_dynamic(&adapter->einval_tx_dma_setup, EVCNT_TYPE_MISC, 1748 NULL, xname, "Driver tx dma hard fail EINVAL"); 1749 evcnt_attach_dynamic(&adapter->other_tx_dma_setup, EVCNT_TYPE_MISC, 1750 NULL, xname, "Driver tx dma hard fail other"); 1751 evcnt_attach_dynamic(&adapter->eagain_tx_dma_setup, EVCNT_TYPE_MISC, 1752 NULL, xname, "Driver tx dma soft fail EAGAIN"); 1753 evcnt_attach_dynamic(&adapter->enomem_tx_dma_setup, EVCNT_TYPE_MISC, 1754 NULL, xname, "Driver tx dma soft fail ENOMEM"); 1755 evcnt_attach_dynamic(&adapter->watchdog_events, EVCNT_TYPE_MISC, 1756 NULL, xname, "Watchdog timeouts"); 1757 evcnt_attach_dynamic(&adapter->tso_err, EVCNT_TYPE_MISC, 1758 NULL, xname, "TSO errors"); 1759 evcnt_attach_dynamic(&adapter->link_irq, EVCNT_TYPE_INTR, 1760 NULL, xname, "Link MSI-X IRQ Handled"); 1761 evcnt_attach_dynamic(&adapter->link_sicount, EVCNT_TYPE_INTR, 1762 NULL, xname, "Link softint"); 1763 evcnt_attach_dynamic(&adapter->mod_sicount, EVCNT_TYPE_INTR, 1764 NULL, xname, "module softint"); 1765 evcnt_attach_dynamic(&adapter->msf_sicount, EVCNT_TYPE_INTR, 1766 NULL, xname, "multimode softint"); 1767 evcnt_attach_dynamic(&adapter->phy_sicount, EVCNT_TYPE_INTR, 1768 NULL, xname, "external PHY softint"); 1769 1770 /* Max number of traffic class is 8 */ 1771 KASSERT(IXGBE_DCB_MAX_TRAFFIC_CLASS == 8); 1772 for (i = 0; i < IXGBE_TC_COUNTER_NUM; i++) { 1773 snprintf(adapter->tcs[i].evnamebuf, 1774 sizeof(adapter->tcs[i].evnamebuf), "%s tc%d", 1775 xname, i); 1776 if (i < __arraycount(stats->mpc)) { 1777 evcnt_attach_dynamic(&stats->mpc[i], 1778 EVCNT_TYPE_MISC, NULL, adapter->tcs[i].evnamebuf, 1779 "RX Missed Packet Count"); 1780 if (hw->mac.type == ixgbe_mac_82598EB) 1781 evcnt_attach_dynamic(&stats->rnbc[i], 1782 EVCNT_TYPE_MISC, NULL, 1783 adapter->tcs[i].evnamebuf, 1784 "Receive No Buffers"); 1785 } 1786 if (i < __arraycount(stats->pxontxc)) { 1787 evcnt_attach_dynamic(&stats->pxontxc[i], 1788 EVCNT_TYPE_MISC, NULL, adapter->tcs[i].evnamebuf, 1789 "pxontxc"); 1790 evcnt_attach_dynamic(&stats->pxonrxc[i], 1791 EVCNT_TYPE_MISC, NULL, adapter->tcs[i].evnamebuf, 1792 "pxonrxc"); 1793 evcnt_attach_dynamic(&stats->pxofftxc[i], 1794 EVCNT_TYPE_MISC, NULL, adapter->tcs[i].evnamebuf, 1795 "pxofftxc"); 1796 evcnt_attach_dynamic(&stats->pxoffrxc[i], 1797 EVCNT_TYPE_MISC, NULL, adapter->tcs[i].evnamebuf, 1798 "pxoffrxc"); 1799 if (hw->mac.type >= ixgbe_mac_82599EB) 1800 evcnt_attach_dynamic(&stats->pxon2offc[i], 1801 EVCNT_TYPE_MISC, NULL, 1802 adapter->tcs[i].evnamebuf, 1803 "pxon2offc"); 1804 } 1805 } 1806 1807 for (i = 0; i < adapter->num_queues; i++, rxr++, txr++) { 1808 #ifdef LRO 1809 struct lro_ctrl *lro = &rxr->lro; 1810 #endif /* LRO */ 1811 1812 snprintf(adapter->queues[i].evnamebuf, 1813 sizeof(adapter->queues[i].evnamebuf), "%s q%d", 1814 xname, i); 1815 snprintf(adapter->queues[i].namebuf, 1816 sizeof(adapter->queues[i].namebuf), "q%d", i); 1817 1818 if ((rnode = ixgbe_sysctl_instance(adapter)) == NULL) { 1819 aprint_error_dev(dev, "could not create sysctl root\n"); 1820 break; 1821 } 1822 1823 if (sysctl_createv(log, 0, &rnode, &rnode, 1824 0, CTLTYPE_NODE, 1825 adapter->queues[i].namebuf, SYSCTL_DESCR("Queue Name"), 1826 NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL) != 0) 1827 break; 1828 1829 if (sysctl_createv(log, 0, &rnode, &cnode, 1830 CTLFLAG_READWRITE, CTLTYPE_INT, 1831 "interrupt_rate", SYSCTL_DESCR("Interrupt Rate"), 1832 ixgbe_sysctl_interrupt_rate_handler, 0, 1833 (void *)&adapter->queues[i], 0, CTL_CREATE, CTL_EOL) != 0) 1834 break; 1835 1836 if (sysctl_createv(log, 0, &rnode, &cnode, 1837 CTLFLAG_READONLY, CTLTYPE_INT, 1838 "txd_head", SYSCTL_DESCR("Transmit Descriptor Head"), 1839 ixgbe_sysctl_tdh_handler, 0, (void *)txr, 1840 0, CTL_CREATE, CTL_EOL) != 0) 1841 break; 1842 1843 if (sysctl_createv(log, 0, &rnode, &cnode, 1844 CTLFLAG_READONLY, CTLTYPE_INT, 1845 "txd_tail", SYSCTL_DESCR("Transmit Descriptor Tail"), 1846 ixgbe_sysctl_tdt_handler, 0, (void *)txr, 1847 0, CTL_CREATE, CTL_EOL) != 0) 1848 break; 1849 1850 evcnt_attach_dynamic(&adapter->queues[i].irqs, EVCNT_TYPE_INTR, 1851 NULL, adapter->queues[i].evnamebuf, "IRQs on queue"); 1852 evcnt_attach_dynamic(&adapter->queues[i].handleq, 1853 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1854 "Handled queue in softint"); 1855 evcnt_attach_dynamic(&adapter->queues[i].req, EVCNT_TYPE_MISC, 1856 NULL, adapter->queues[i].evnamebuf, "Requeued in softint"); 1857 evcnt_attach_dynamic(&txr->tso_tx, EVCNT_TYPE_MISC, 1858 NULL, adapter->queues[i].evnamebuf, "TSO"); 1859 evcnt_attach_dynamic(&txr->no_desc_avail, EVCNT_TYPE_MISC, 1860 NULL, adapter->queues[i].evnamebuf, 1861 "Queue No Descriptor Available"); 1862 evcnt_attach_dynamic(&txr->total_packets, EVCNT_TYPE_MISC, 1863 NULL, adapter->queues[i].evnamebuf, 1864 "Queue Packets Transmitted"); 1865 #ifndef IXGBE_LEGACY_TX 1866 evcnt_attach_dynamic(&txr->pcq_drops, EVCNT_TYPE_MISC, 1867 NULL, adapter->queues[i].evnamebuf, 1868 "Packets dropped in pcq"); 1869 #endif 1870 1871 if (sysctl_createv(log, 0, &rnode, &cnode, 1872 CTLFLAG_READONLY, 1873 CTLTYPE_INT, 1874 "rxd_nxck", SYSCTL_DESCR("Receive Descriptor next to check"), 1875 ixgbe_sysctl_next_to_check_handler, 0, (void *)rxr, 0, 1876 CTL_CREATE, CTL_EOL) != 0) 1877 break; 1878 1879 if (sysctl_createv(log, 0, &rnode, &cnode, 1880 CTLFLAG_READONLY, 1881 CTLTYPE_INT, 1882 "rxd_head", SYSCTL_DESCR("Receive Descriptor Head"), 1883 ixgbe_sysctl_rdh_handler, 0, (void *)rxr, 0, 1884 CTL_CREATE, CTL_EOL) != 0) 1885 break; 1886 1887 if (sysctl_createv(log, 0, &rnode, &cnode, 1888 CTLFLAG_READONLY, 1889 CTLTYPE_INT, 1890 "rxd_tail", SYSCTL_DESCR("Receive Descriptor Tail"), 1891 ixgbe_sysctl_rdt_handler, 0, (void *)rxr, 0, 1892 CTL_CREATE, CTL_EOL) != 0) 1893 break; 1894 1895 if (i < __arraycount(stats->qprc)) { 1896 evcnt_attach_dynamic(&stats->qprc[i], 1897 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1898 "qprc"); 1899 evcnt_attach_dynamic(&stats->qptc[i], 1900 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1901 "qptc"); 1902 evcnt_attach_dynamic(&stats->qbrc[i], 1903 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1904 "qbrc"); 1905 evcnt_attach_dynamic(&stats->qbtc[i], 1906 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1907 "qbtc"); 1908 if (hw->mac.type >= ixgbe_mac_82599EB) 1909 evcnt_attach_dynamic(&stats->qprdc[i], 1910 EVCNT_TYPE_MISC, NULL, 1911 adapter->queues[i].evnamebuf, "qprdc"); 1912 } 1913 1914 evcnt_attach_dynamic(&rxr->rx_packets, EVCNT_TYPE_MISC, 1915 NULL, adapter->queues[i].evnamebuf, "Queue Packets Received"); 1916 evcnt_attach_dynamic(&rxr->rx_bytes, EVCNT_TYPE_MISC, 1917 NULL, adapter->queues[i].evnamebuf, "Queue Bytes Received"); 1918 evcnt_attach_dynamic(&rxr->rx_copies, EVCNT_TYPE_MISC, 1919 NULL, adapter->queues[i].evnamebuf, "Copied RX Frames"); 1920 evcnt_attach_dynamic(&rxr->no_jmbuf, EVCNT_TYPE_MISC, 1921 NULL, adapter->queues[i].evnamebuf, "Rx no jumbo mbuf"); 1922 evcnt_attach_dynamic(&rxr->rx_discarded, EVCNT_TYPE_MISC, 1923 NULL, adapter->queues[i].evnamebuf, "Rx discarded"); 1924 #ifdef LRO 1925 SYSCTL_ADD_INT(ctx, queue_list, OID_AUTO, "lro_queued", 1926 CTLFLAG_RD, &lro->lro_queued, 0, 1927 "LRO Queued"); 1928 SYSCTL_ADD_INT(ctx, queue_list, OID_AUTO, "lro_flushed", 1929 CTLFLAG_RD, &lro->lro_flushed, 0, 1930 "LRO Flushed"); 1931 #endif /* LRO */ 1932 } 1933 1934 /* MAC stats get their own sub node */ 1935 1936 snprintf(stats->namebuf, 1937 sizeof(stats->namebuf), "%s MAC Statistics", xname); 1938 1939 evcnt_attach_dynamic(&stats->ipcs, EVCNT_TYPE_MISC, NULL, 1940 stats->namebuf, "rx csum offload - IP"); 1941 evcnt_attach_dynamic(&stats->l4cs, EVCNT_TYPE_MISC, NULL, 1942 stats->namebuf, "rx csum offload - L4"); 1943 evcnt_attach_dynamic(&stats->ipcs_bad, EVCNT_TYPE_MISC, NULL, 1944 stats->namebuf, "rx csum offload - IP bad"); 1945 evcnt_attach_dynamic(&stats->l4cs_bad, EVCNT_TYPE_MISC, NULL, 1946 stats->namebuf, "rx csum offload - L4 bad"); 1947 evcnt_attach_dynamic(&stats->intzero, EVCNT_TYPE_MISC, NULL, 1948 stats->namebuf, "Interrupt conditions zero"); 1949 evcnt_attach_dynamic(&stats->legint, EVCNT_TYPE_MISC, NULL, 1950 stats->namebuf, "Legacy interrupts"); 1951 1952 evcnt_attach_dynamic(&stats->crcerrs, EVCNT_TYPE_MISC, NULL, 1953 stats->namebuf, "CRC Errors"); 1954 evcnt_attach_dynamic(&stats->illerrc, EVCNT_TYPE_MISC, NULL, 1955 stats->namebuf, "Illegal Byte Errors"); 1956 evcnt_attach_dynamic(&stats->errbc, EVCNT_TYPE_MISC, NULL, 1957 stats->namebuf, "Byte Errors"); 1958 evcnt_attach_dynamic(&stats->mspdc, EVCNT_TYPE_MISC, NULL, 1959 stats->namebuf, "MAC Short Packets Discarded"); 1960 if (hw->mac.type >= ixgbe_mac_X550) 1961 evcnt_attach_dynamic(&stats->mbsdc, EVCNT_TYPE_MISC, NULL, 1962 stats->namebuf, "Bad SFD"); 1963 evcnt_attach_dynamic(&stats->mpctotal, EVCNT_TYPE_MISC, NULL, 1964 stats->namebuf, "Total Packets Missed"); 1965 evcnt_attach_dynamic(&stats->mlfc, EVCNT_TYPE_MISC, NULL, 1966 stats->namebuf, "MAC Local Faults"); 1967 evcnt_attach_dynamic(&stats->mrfc, EVCNT_TYPE_MISC, NULL, 1968 stats->namebuf, "MAC Remote Faults"); 1969 evcnt_attach_dynamic(&stats->rlec, EVCNT_TYPE_MISC, NULL, 1970 stats->namebuf, "Receive Length Errors"); 1971 evcnt_attach_dynamic(&stats->lxontxc, EVCNT_TYPE_MISC, NULL, 1972 stats->namebuf, "Link XON Transmitted"); 1973 evcnt_attach_dynamic(&stats->lxonrxc, EVCNT_TYPE_MISC, NULL, 1974 stats->namebuf, "Link XON Received"); 1975 evcnt_attach_dynamic(&stats->lxofftxc, EVCNT_TYPE_MISC, NULL, 1976 stats->namebuf, "Link XOFF Transmitted"); 1977 evcnt_attach_dynamic(&stats->lxoffrxc, EVCNT_TYPE_MISC, NULL, 1978 stats->namebuf, "Link XOFF Received"); 1979 1980 /* Packet Reception Stats */ 1981 evcnt_attach_dynamic(&stats->tor, EVCNT_TYPE_MISC, NULL, 1982 stats->namebuf, "Total Octets Received"); 1983 evcnt_attach_dynamic(&stats->gorc, EVCNT_TYPE_MISC, NULL, 1984 stats->namebuf, "Good Octets Received"); 1985 evcnt_attach_dynamic(&stats->tpr, EVCNT_TYPE_MISC, NULL, 1986 stats->namebuf, "Total Packets Received"); 1987 evcnt_attach_dynamic(&stats->gprc, EVCNT_TYPE_MISC, NULL, 1988 stats->namebuf, "Good Packets Received"); 1989 evcnt_attach_dynamic(&stats->mprc, EVCNT_TYPE_MISC, NULL, 1990 stats->namebuf, "Multicast Packets Received"); 1991 evcnt_attach_dynamic(&stats->bprc, EVCNT_TYPE_MISC, NULL, 1992 stats->namebuf, "Broadcast Packets Received"); 1993 evcnt_attach_dynamic(&stats->prc64, EVCNT_TYPE_MISC, NULL, 1994 stats->namebuf, "64 byte frames received "); 1995 evcnt_attach_dynamic(&stats->prc127, EVCNT_TYPE_MISC, NULL, 1996 stats->namebuf, "65-127 byte frames received"); 1997 evcnt_attach_dynamic(&stats->prc255, EVCNT_TYPE_MISC, NULL, 1998 stats->namebuf, "128-255 byte frames received"); 1999 evcnt_attach_dynamic(&stats->prc511, EVCNT_TYPE_MISC, NULL, 2000 stats->namebuf, "256-511 byte frames received"); 2001 evcnt_attach_dynamic(&stats->prc1023, EVCNT_TYPE_MISC, NULL, 2002 stats->namebuf, "512-1023 byte frames received"); 2003 evcnt_attach_dynamic(&stats->prc1522, EVCNT_TYPE_MISC, NULL, 2004 stats->namebuf, "1023-1522 byte frames received"); 2005 evcnt_attach_dynamic(&stats->ruc, EVCNT_TYPE_MISC, NULL, 2006 stats->namebuf, "Receive Undersized"); 2007 evcnt_attach_dynamic(&stats->rfc, EVCNT_TYPE_MISC, NULL, 2008 stats->namebuf, "Fragmented Packets Received "); 2009 evcnt_attach_dynamic(&stats->roc, EVCNT_TYPE_MISC, NULL, 2010 stats->namebuf, "Oversized Packets Received"); 2011 evcnt_attach_dynamic(&stats->rjc, EVCNT_TYPE_MISC, NULL, 2012 stats->namebuf, "Received Jabber"); 2013 evcnt_attach_dynamic(&stats->mngprc, EVCNT_TYPE_MISC, NULL, 2014 stats->namebuf, "Management Packets Received"); 2015 evcnt_attach_dynamic(&stats->mngpdc, EVCNT_TYPE_MISC, NULL, 2016 stats->namebuf, "Management Packets Dropped"); 2017 evcnt_attach_dynamic(&stats->xec, EVCNT_TYPE_MISC, NULL, 2018 stats->namebuf, "Checksum Errors"); 2019 2020 /* Packet Transmission Stats */ 2021 evcnt_attach_dynamic(&stats->gotc, EVCNT_TYPE_MISC, NULL, 2022 stats->namebuf, "Good Octets Transmitted"); 2023 evcnt_attach_dynamic(&stats->tpt, EVCNT_TYPE_MISC, NULL, 2024 stats->namebuf, "Total Packets Transmitted"); 2025 evcnt_attach_dynamic(&stats->gptc, EVCNT_TYPE_MISC, NULL, 2026 stats->namebuf, "Good Packets Transmitted"); 2027 evcnt_attach_dynamic(&stats->bptc, EVCNT_TYPE_MISC, NULL, 2028 stats->namebuf, "Broadcast Packets Transmitted"); 2029 evcnt_attach_dynamic(&stats->mptc, EVCNT_TYPE_MISC, NULL, 2030 stats->namebuf, "Multicast Packets Transmitted"); 2031 evcnt_attach_dynamic(&stats->mngptc, EVCNT_TYPE_MISC, NULL, 2032 stats->namebuf, "Management Packets Transmitted"); 2033 evcnt_attach_dynamic(&stats->ptc64, EVCNT_TYPE_MISC, NULL, 2034 stats->namebuf, "64 byte frames transmitted "); 2035 evcnt_attach_dynamic(&stats->ptc127, EVCNT_TYPE_MISC, NULL, 2036 stats->namebuf, "65-127 byte frames transmitted"); 2037 evcnt_attach_dynamic(&stats->ptc255, EVCNT_TYPE_MISC, NULL, 2038 stats->namebuf, "128-255 byte frames transmitted"); 2039 evcnt_attach_dynamic(&stats->ptc511, EVCNT_TYPE_MISC, NULL, 2040 stats->namebuf, "256-511 byte frames transmitted"); 2041 evcnt_attach_dynamic(&stats->ptc1023, EVCNT_TYPE_MISC, NULL, 2042 stats->namebuf, "512-1023 byte frames transmitted"); 2043 evcnt_attach_dynamic(&stats->ptc1522, EVCNT_TYPE_MISC, NULL, 2044 stats->namebuf, "1024-1522 byte frames transmitted"); 2045 } /* ixgbe_add_hw_stats */ 2046 2047 static void 2048 ixgbe_clear_evcnt(struct adapter *adapter) 2049 { 2050 struct tx_ring *txr = adapter->tx_rings; 2051 struct rx_ring *rxr = adapter->rx_rings; 2052 struct ixgbe_hw *hw = &adapter->hw; 2053 struct ixgbe_hw_stats *stats = &adapter->stats.pf; 2054 int i; 2055 2056 adapter->efbig_tx_dma_setup.ev_count = 0; 2057 adapter->mbuf_defrag_failed.ev_count = 0; 2058 adapter->efbig2_tx_dma_setup.ev_count = 0; 2059 adapter->einval_tx_dma_setup.ev_count = 0; 2060 adapter->other_tx_dma_setup.ev_count = 0; 2061 adapter->eagain_tx_dma_setup.ev_count = 0; 2062 adapter->enomem_tx_dma_setup.ev_count = 0; 2063 adapter->tso_err.ev_count = 0; 2064 adapter->watchdog_events.ev_count = 0; 2065 adapter->link_irq.ev_count = 0; 2066 adapter->link_sicount.ev_count = 0; 2067 adapter->mod_sicount.ev_count = 0; 2068 adapter->msf_sicount.ev_count = 0; 2069 adapter->phy_sicount.ev_count = 0; 2070 2071 for (i = 0; i < IXGBE_TC_COUNTER_NUM; i++) { 2072 if (i < __arraycount(stats->mpc)) { 2073 stats->mpc[i].ev_count = 0; 2074 if (hw->mac.type == ixgbe_mac_82598EB) 2075 stats->rnbc[i].ev_count = 0; 2076 } 2077 if (i < __arraycount(stats->pxontxc)) { 2078 stats->pxontxc[i].ev_count = 0; 2079 stats->pxonrxc[i].ev_count = 0; 2080 stats->pxofftxc[i].ev_count = 0; 2081 stats->pxoffrxc[i].ev_count = 0; 2082 if (hw->mac.type >= ixgbe_mac_82599EB) 2083 stats->pxon2offc[i].ev_count = 0; 2084 } 2085 } 2086 2087 txr = adapter->tx_rings; 2088 for (i = 0; i < adapter->num_queues; i++, rxr++, txr++) { 2089 adapter->queues[i].irqs.ev_count = 0; 2090 adapter->queues[i].handleq.ev_count = 0; 2091 adapter->queues[i].req.ev_count = 0; 2092 txr->no_desc_avail.ev_count = 0; 2093 txr->total_packets.ev_count = 0; 2094 txr->tso_tx.ev_count = 0; 2095 #ifndef IXGBE_LEGACY_TX 2096 txr->pcq_drops.ev_count = 0; 2097 #endif 2098 txr->q_efbig_tx_dma_setup = 0; 2099 txr->q_mbuf_defrag_failed = 0; 2100 txr->q_efbig2_tx_dma_setup = 0; 2101 txr->q_einval_tx_dma_setup = 0; 2102 txr->q_other_tx_dma_setup = 0; 2103 txr->q_eagain_tx_dma_setup = 0; 2104 txr->q_enomem_tx_dma_setup = 0; 2105 txr->q_tso_err = 0; 2106 2107 if (i < __arraycount(stats->qprc)) { 2108 stats->qprc[i].ev_count = 0; 2109 stats->qptc[i].ev_count = 0; 2110 stats->qbrc[i].ev_count = 0; 2111 stats->qbtc[i].ev_count = 0; 2112 if (hw->mac.type >= ixgbe_mac_82599EB) 2113 stats->qprdc[i].ev_count = 0; 2114 } 2115 2116 rxr->rx_packets.ev_count = 0; 2117 rxr->rx_bytes.ev_count = 0; 2118 rxr->rx_copies.ev_count = 0; 2119 rxr->no_jmbuf.ev_count = 0; 2120 rxr->rx_discarded.ev_count = 0; 2121 } 2122 stats->ipcs.ev_count = 0; 2123 stats->l4cs.ev_count = 0; 2124 stats->ipcs_bad.ev_count = 0; 2125 stats->l4cs_bad.ev_count = 0; 2126 stats->intzero.ev_count = 0; 2127 stats->legint.ev_count = 0; 2128 stats->crcerrs.ev_count = 0; 2129 stats->illerrc.ev_count = 0; 2130 stats->errbc.ev_count = 0; 2131 stats->mspdc.ev_count = 0; 2132 stats->mbsdc.ev_count = 0; 2133 stats->mpctotal.ev_count = 0; 2134 stats->mlfc.ev_count = 0; 2135 stats->mrfc.ev_count = 0; 2136 stats->rlec.ev_count = 0; 2137 stats->lxontxc.ev_count = 0; 2138 stats->lxonrxc.ev_count = 0; 2139 stats->lxofftxc.ev_count = 0; 2140 stats->lxoffrxc.ev_count = 0; 2141 2142 /* Packet Reception Stats */ 2143 stats->tor.ev_count = 0; 2144 stats->gorc.ev_count = 0; 2145 stats->tpr.ev_count = 0; 2146 stats->gprc.ev_count = 0; 2147 stats->mprc.ev_count = 0; 2148 stats->bprc.ev_count = 0; 2149 stats->prc64.ev_count = 0; 2150 stats->prc127.ev_count = 0; 2151 stats->prc255.ev_count = 0; 2152 stats->prc511.ev_count = 0; 2153 stats->prc1023.ev_count = 0; 2154 stats->prc1522.ev_count = 0; 2155 stats->ruc.ev_count = 0; 2156 stats->rfc.ev_count = 0; 2157 stats->roc.ev_count = 0; 2158 stats->rjc.ev_count = 0; 2159 stats->mngprc.ev_count = 0; 2160 stats->mngpdc.ev_count = 0; 2161 stats->xec.ev_count = 0; 2162 2163 /* Packet Transmission Stats */ 2164 stats->gotc.ev_count = 0; 2165 stats->tpt.ev_count = 0; 2166 stats->gptc.ev_count = 0; 2167 stats->bptc.ev_count = 0; 2168 stats->mptc.ev_count = 0; 2169 stats->mngptc.ev_count = 0; 2170 stats->ptc64.ev_count = 0; 2171 stats->ptc127.ev_count = 0; 2172 stats->ptc255.ev_count = 0; 2173 stats->ptc511.ev_count = 0; 2174 stats->ptc1023.ev_count = 0; 2175 stats->ptc1522.ev_count = 0; 2176 } 2177 2178 /************************************************************************ 2179 * ixgbe_sysctl_tdh_handler - Transmit Descriptor Head handler function 2180 * 2181 * Retrieves the TDH value from the hardware 2182 ************************************************************************/ 2183 static int 2184 ixgbe_sysctl_tdh_handler(SYSCTLFN_ARGS) 2185 { 2186 struct sysctlnode node = *rnode; 2187 struct tx_ring *txr = (struct tx_ring *)node.sysctl_data; 2188 struct adapter *adapter; 2189 uint32_t val; 2190 2191 if (!txr) 2192 return (0); 2193 2194 adapter = txr->adapter; 2195 if (ixgbe_fw_recovery_mode_swflag(adapter)) 2196 return (EPERM); 2197 2198 val = IXGBE_READ_REG(&adapter->hw, IXGBE_TDH(txr->me)); 2199 node.sysctl_data = &val; 2200 return sysctl_lookup(SYSCTLFN_CALL(&node)); 2201 } /* ixgbe_sysctl_tdh_handler */ 2202 2203 /************************************************************************ 2204 * ixgbe_sysctl_tdt_handler - Transmit Descriptor Tail handler function 2205 * 2206 * Retrieves the TDT value from the hardware 2207 ************************************************************************/ 2208 static int 2209 ixgbe_sysctl_tdt_handler(SYSCTLFN_ARGS) 2210 { 2211 struct sysctlnode node = *rnode; 2212 struct tx_ring *txr = (struct tx_ring *)node.sysctl_data; 2213 struct adapter *adapter; 2214 uint32_t val; 2215 2216 if (!txr) 2217 return (0); 2218 2219 adapter = txr->adapter; 2220 if (ixgbe_fw_recovery_mode_swflag(adapter)) 2221 return (EPERM); 2222 2223 val = IXGBE_READ_REG(&adapter->hw, IXGBE_TDT(txr->me)); 2224 node.sysctl_data = &val; 2225 return sysctl_lookup(SYSCTLFN_CALL(&node)); 2226 } /* ixgbe_sysctl_tdt_handler */ 2227 2228 /************************************************************************ 2229 * ixgbe_sysctl_next_to_check_handler - Receive Descriptor next to check 2230 * handler function 2231 * 2232 * Retrieves the next_to_check value 2233 ************************************************************************/ 2234 static int 2235 ixgbe_sysctl_next_to_check_handler(SYSCTLFN_ARGS) 2236 { 2237 struct sysctlnode node = *rnode; 2238 struct rx_ring *rxr = (struct rx_ring *)node.sysctl_data; 2239 struct adapter *adapter; 2240 uint32_t val; 2241 2242 if (!rxr) 2243 return (0); 2244 2245 adapter = rxr->adapter; 2246 if (ixgbe_fw_recovery_mode_swflag(adapter)) 2247 return (EPERM); 2248 2249 val = rxr->next_to_check; 2250 node.sysctl_data = &val; 2251 return sysctl_lookup(SYSCTLFN_CALL(&node)); 2252 } /* ixgbe_sysctl_next_to_check_handler */ 2253 2254 /************************************************************************ 2255 * ixgbe_sysctl_rdh_handler - Receive Descriptor Head handler function 2256 * 2257 * Retrieves the RDH value from the hardware 2258 ************************************************************************/ 2259 static int 2260 ixgbe_sysctl_rdh_handler(SYSCTLFN_ARGS) 2261 { 2262 struct sysctlnode node = *rnode; 2263 struct rx_ring *rxr = (struct rx_ring *)node.sysctl_data; 2264 struct adapter *adapter; 2265 uint32_t val; 2266 2267 if (!rxr) 2268 return (0); 2269 2270 adapter = rxr->adapter; 2271 if (ixgbe_fw_recovery_mode_swflag(adapter)) 2272 return (EPERM); 2273 2274 val = IXGBE_READ_REG(&adapter->hw, IXGBE_RDH(rxr->me)); 2275 node.sysctl_data = &val; 2276 return sysctl_lookup(SYSCTLFN_CALL(&node)); 2277 } /* ixgbe_sysctl_rdh_handler */ 2278 2279 /************************************************************************ 2280 * ixgbe_sysctl_rdt_handler - Receive Descriptor Tail handler function 2281 * 2282 * Retrieves the RDT value from the hardware 2283 ************************************************************************/ 2284 static int 2285 ixgbe_sysctl_rdt_handler(SYSCTLFN_ARGS) 2286 { 2287 struct sysctlnode node = *rnode; 2288 struct rx_ring *rxr = (struct rx_ring *)node.sysctl_data; 2289 struct adapter *adapter; 2290 uint32_t val; 2291 2292 if (!rxr) 2293 return (0); 2294 2295 adapter = rxr->adapter; 2296 if (ixgbe_fw_recovery_mode_swflag(adapter)) 2297 return (EPERM); 2298 2299 val = IXGBE_READ_REG(&adapter->hw, IXGBE_RDT(rxr->me)); 2300 node.sysctl_data = &val; 2301 return sysctl_lookup(SYSCTLFN_CALL(&node)); 2302 } /* ixgbe_sysctl_rdt_handler */ 2303 2304 static int 2305 ixgbe_vlan_cb(struct ethercom *ec, uint16_t vid, bool set) 2306 { 2307 struct ifnet *ifp = &ec->ec_if; 2308 int rv; 2309 2310 if (set) 2311 rv = ixgbe_register_vlan(ifp->if_softc, ifp, vid); 2312 else 2313 rv = ixgbe_unregister_vlan(ifp->if_softc, ifp, vid); 2314 2315 return rv; 2316 } 2317 2318 /************************************************************************ 2319 * ixgbe_register_vlan 2320 * 2321 * Run via vlan config EVENT, it enables us to use the 2322 * HW Filter table since we can get the vlan id. This 2323 * just creates the entry in the soft version of the 2324 * VFTA, init will repopulate the real table. 2325 ************************************************************************/ 2326 static int 2327 ixgbe_register_vlan(void *arg, struct ifnet *ifp, u16 vtag) 2328 { 2329 struct adapter *adapter = ifp->if_softc; 2330 u16 index, bit; 2331 int error; 2332 2333 if (ifp->if_softc != arg) /* Not our event */ 2334 return EINVAL; 2335 2336 if ((vtag == 0) || (vtag > 4095)) /* Invalid */ 2337 return EINVAL; 2338 2339 IXGBE_CORE_LOCK(adapter); 2340 index = (vtag >> 5) & 0x7F; 2341 bit = vtag & 0x1F; 2342 adapter->shadow_vfta[index] |= ((u32)1 << bit); 2343 error = adapter->hw.mac.ops.set_vfta(&adapter->hw, vtag, 0, true, 2344 true); 2345 IXGBE_CORE_UNLOCK(adapter); 2346 if (error != 0) 2347 error = EACCES; 2348 2349 return error; 2350 } /* ixgbe_register_vlan */ 2351 2352 /************************************************************************ 2353 * ixgbe_unregister_vlan 2354 * 2355 * Run via vlan unconfig EVENT, remove our entry in the soft vfta. 2356 ************************************************************************/ 2357 static int 2358 ixgbe_unregister_vlan(void *arg, struct ifnet *ifp, u16 vtag) 2359 { 2360 struct adapter *adapter = ifp->if_softc; 2361 u16 index, bit; 2362 int error; 2363 2364 if (ifp->if_softc != arg) 2365 return EINVAL; 2366 2367 if ((vtag == 0) || (vtag > 4095)) /* Invalid */ 2368 return EINVAL; 2369 2370 IXGBE_CORE_LOCK(adapter); 2371 index = (vtag >> 5) & 0x7F; 2372 bit = vtag & 0x1F; 2373 adapter->shadow_vfta[index] &= ~((u32)1 << bit); 2374 error = adapter->hw.mac.ops.set_vfta(&adapter->hw, vtag, 0, false, 2375 true); 2376 IXGBE_CORE_UNLOCK(adapter); 2377 if (error != 0) 2378 error = EACCES; 2379 2380 return error; 2381 } /* ixgbe_unregister_vlan */ 2382 2383 static void 2384 ixgbe_setup_vlan_hw_support(struct adapter *adapter) 2385 { 2386 struct ethercom *ec = &adapter->osdep.ec; 2387 struct ixgbe_hw *hw = &adapter->hw; 2388 struct rx_ring *rxr; 2389 int i; 2390 u32 ctrl; 2391 struct vlanid_list *vlanidp; 2392 bool hwtagging; 2393 2394 /* 2395 * This function is called from both if_init and ifflags_cb() 2396 * on NetBSD. 2397 */ 2398 2399 /* Enable HW tagging only if any vlan is attached */ 2400 hwtagging = (ec->ec_capenable & ETHERCAP_VLAN_HWTAGGING) 2401 && VLAN_ATTACHED(ec); 2402 2403 /* Setup the queues for vlans */ 2404 for (i = 0; i < adapter->num_queues; i++) { 2405 rxr = &adapter->rx_rings[i]; 2406 /* 2407 * On 82599 and later, the VLAN enable is per/queue in RXDCTL. 2408 */ 2409 if (hw->mac.type != ixgbe_mac_82598EB) { 2410 ctrl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(rxr->me)); 2411 if (hwtagging) 2412 ctrl |= IXGBE_RXDCTL_VME; 2413 else 2414 ctrl &= ~IXGBE_RXDCTL_VME; 2415 IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(rxr->me), ctrl); 2416 } 2417 rxr->vtag_strip = hwtagging ? TRUE : FALSE; 2418 } 2419 2420 /* Cleanup shadow_vfta */ 2421 for (i = 0; i < IXGBE_VFTA_SIZE; i++) 2422 adapter->shadow_vfta[i] = 0; 2423 /* Generate shadow_vfta from ec_vids */ 2424 mutex_enter(ec->ec_lock); 2425 SIMPLEQ_FOREACH(vlanidp, &ec->ec_vids, vid_list) { 2426 uint32_t idx; 2427 2428 idx = vlanidp->vid / 32; 2429 KASSERT(idx < IXGBE_VFTA_SIZE); 2430 adapter->shadow_vfta[idx] |= 1 << vlanidp->vid % 32; 2431 } 2432 mutex_exit(ec->ec_lock); 2433 for (i = 0; i < IXGBE_VFTA_SIZE; i++) 2434 IXGBE_WRITE_REG(hw, IXGBE_VFTA(i), adapter->shadow_vfta[i]); 2435 2436 ctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL); 2437 /* Enable the Filter Table if enabled */ 2438 if (ec->ec_capenable & ETHERCAP_VLAN_HWFILTER) 2439 ctrl |= IXGBE_VLNCTRL_VFE; 2440 else 2441 ctrl &= ~IXGBE_VLNCTRL_VFE; 2442 /* VLAN hw tagging for 82598 */ 2443 if (hw->mac.type == ixgbe_mac_82598EB) { 2444 if (hwtagging) 2445 ctrl |= IXGBE_VLNCTRL_VME; 2446 else 2447 ctrl &= ~IXGBE_VLNCTRL_VME; 2448 } 2449 IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, ctrl); 2450 } /* ixgbe_setup_vlan_hw_support */ 2451 2452 /************************************************************************ 2453 * ixgbe_get_slot_info 2454 * 2455 * Get the width and transaction speed of 2456 * the slot this adapter is plugged into. 2457 ************************************************************************/ 2458 static void 2459 ixgbe_get_slot_info(struct adapter *adapter) 2460 { 2461 device_t dev = adapter->dev; 2462 struct ixgbe_hw *hw = &adapter->hw; 2463 u32 offset; 2464 u16 link; 2465 int bus_info_valid = TRUE; 2466 2467 /* Some devices are behind an internal bridge */ 2468 switch (hw->device_id) { 2469 case IXGBE_DEV_ID_82599_SFP_SF_QP: 2470 case IXGBE_DEV_ID_82599_QSFP_SF_QP: 2471 goto get_parent_info; 2472 default: 2473 break; 2474 } 2475 2476 ixgbe_get_bus_info(hw); 2477 2478 /* 2479 * Some devices don't use PCI-E, but there is no need 2480 * to display "Unknown" for bus speed and width. 2481 */ 2482 switch (hw->mac.type) { 2483 case ixgbe_mac_X550EM_x: 2484 case ixgbe_mac_X550EM_a: 2485 return; 2486 default: 2487 goto display; 2488 } 2489 2490 get_parent_info: 2491 /* 2492 * For the Quad port adapter we need to parse back 2493 * up the PCI tree to find the speed of the expansion 2494 * slot into which this adapter is plugged. A bit more work. 2495 */ 2496 dev = device_parent(device_parent(dev)); 2497 #if 0 2498 #ifdef IXGBE_DEBUG 2499 device_printf(dev, "parent pcib = %x,%x,%x\n", pci_get_bus(dev), 2500 pci_get_slot(dev), pci_get_function(dev)); 2501 #endif 2502 dev = device_parent(device_parent(dev)); 2503 #ifdef IXGBE_DEBUG 2504 device_printf(dev, "slot pcib = %x,%x,%x\n", pci_get_bus(dev), 2505 pci_get_slot(dev), pci_get_function(dev)); 2506 #endif 2507 #endif 2508 /* Now get the PCI Express Capabilities offset */ 2509 if (pci_get_capability(adapter->osdep.pc, adapter->osdep.tag, 2510 PCI_CAP_PCIEXPRESS, &offset, NULL)) { 2511 /* 2512 * Hmm...can't get PCI-Express capabilities. 2513 * Falling back to default method. 2514 */ 2515 bus_info_valid = FALSE; 2516 ixgbe_get_bus_info(hw); 2517 goto display; 2518 } 2519 /* ...and read the Link Status Register */ 2520 link = pci_conf_read(adapter->osdep.pc, adapter->osdep.tag, 2521 offset + PCIE_LCSR) >> 16; 2522 ixgbe_set_pci_config_data_generic(hw, link); 2523 2524 display: 2525 device_printf(dev, "PCI Express Bus: Speed %s Width %s\n", 2526 ((hw->bus.speed == ixgbe_bus_speed_8000) ? "8.0GT/s" : 2527 (hw->bus.speed == ixgbe_bus_speed_5000) ? "5.0GT/s" : 2528 (hw->bus.speed == ixgbe_bus_speed_2500) ? "2.5GT/s" : 2529 "Unknown"), 2530 ((hw->bus.width == ixgbe_bus_width_pcie_x8) ? "x8" : 2531 (hw->bus.width == ixgbe_bus_width_pcie_x4) ? "x4" : 2532 (hw->bus.width == ixgbe_bus_width_pcie_x1) ? "x1" : 2533 "Unknown")); 2534 2535 if (bus_info_valid) { 2536 if ((hw->device_id != IXGBE_DEV_ID_82599_SFP_SF_QP) && 2537 ((hw->bus.width <= ixgbe_bus_width_pcie_x4) && 2538 (hw->bus.speed == ixgbe_bus_speed_2500))) { 2539 device_printf(dev, "PCI-Express bandwidth available" 2540 " for this card\n is not sufficient for" 2541 " optimal performance.\n"); 2542 device_printf(dev, "For optimal performance a x8 " 2543 "PCIE, or x4 PCIE Gen2 slot is required.\n"); 2544 } 2545 if ((hw->device_id == IXGBE_DEV_ID_82599_SFP_SF_QP) && 2546 ((hw->bus.width <= ixgbe_bus_width_pcie_x8) && 2547 (hw->bus.speed < ixgbe_bus_speed_8000))) { 2548 device_printf(dev, "PCI-Express bandwidth available" 2549 " for this card\n is not sufficient for" 2550 " optimal performance.\n"); 2551 device_printf(dev, "For optimal performance a x8 " 2552 "PCIE Gen3 slot is required.\n"); 2553 } 2554 } else 2555 device_printf(dev, "Unable to determine slot speed/width. The speed/width reported are that of the internal switch.\n"); 2556 2557 return; 2558 } /* ixgbe_get_slot_info */ 2559 2560 /************************************************************************ 2561 * ixgbe_enable_queue - MSI-X Interrupt Handlers and Tasklets 2562 ************************************************************************/ 2563 static inline void 2564 ixgbe_enable_queue(struct adapter *adapter, u32 vector) 2565 { 2566 struct ixgbe_hw *hw = &adapter->hw; 2567 struct ix_queue *que = &adapter->queues[vector]; 2568 u64 queue = (u64)(1ULL << vector); 2569 u32 mask; 2570 2571 mutex_enter(&que->dc_mtx); 2572 if (que->disabled_count > 0 && --que->disabled_count > 0) 2573 goto out; 2574 2575 if (hw->mac.type == ixgbe_mac_82598EB) { 2576 mask = (IXGBE_EIMS_RTX_QUEUE & queue); 2577 IXGBE_WRITE_REG(hw, IXGBE_EIMS, mask); 2578 } else { 2579 mask = (queue & 0xFFFFFFFF); 2580 if (mask) 2581 IXGBE_WRITE_REG(hw, IXGBE_EIMS_EX(0), mask); 2582 mask = (queue >> 32); 2583 if (mask) 2584 IXGBE_WRITE_REG(hw, IXGBE_EIMS_EX(1), mask); 2585 } 2586 out: 2587 mutex_exit(&que->dc_mtx); 2588 } /* ixgbe_enable_queue */ 2589 2590 /************************************************************************ 2591 * ixgbe_disable_queue_internal 2592 ************************************************************************/ 2593 static inline void 2594 ixgbe_disable_queue_internal(struct adapter *adapter, u32 vector, bool nestok) 2595 { 2596 struct ixgbe_hw *hw = &adapter->hw; 2597 struct ix_queue *que = &adapter->queues[vector]; 2598 u64 queue = (u64)(1ULL << vector); 2599 u32 mask; 2600 2601 mutex_enter(&que->dc_mtx); 2602 2603 if (que->disabled_count > 0) { 2604 if (nestok) 2605 que->disabled_count++; 2606 goto out; 2607 } 2608 que->disabled_count++; 2609 2610 if (hw->mac.type == ixgbe_mac_82598EB) { 2611 mask = (IXGBE_EIMS_RTX_QUEUE & queue); 2612 IXGBE_WRITE_REG(hw, IXGBE_EIMC, mask); 2613 } else { 2614 mask = (queue & 0xFFFFFFFF); 2615 if (mask) 2616 IXGBE_WRITE_REG(hw, IXGBE_EIMC_EX(0), mask); 2617 mask = (queue >> 32); 2618 if (mask) 2619 IXGBE_WRITE_REG(hw, IXGBE_EIMC_EX(1), mask); 2620 } 2621 out: 2622 mutex_exit(&que->dc_mtx); 2623 } /* ixgbe_disable_queue_internal */ 2624 2625 /************************************************************************ 2626 * ixgbe_disable_queue 2627 ************************************************************************/ 2628 static inline void 2629 ixgbe_disable_queue(struct adapter *adapter, u32 vector) 2630 { 2631 2632 ixgbe_disable_queue_internal(adapter, vector, true); 2633 } /* ixgbe_disable_queue */ 2634 2635 /************************************************************************ 2636 * ixgbe_sched_handle_que - schedule deferred packet processing 2637 ************************************************************************/ 2638 static inline void 2639 ixgbe_sched_handle_que(struct adapter *adapter, struct ix_queue *que) 2640 { 2641 2642 if (que->txrx_use_workqueue) { 2643 /* 2644 * adapter->que_wq is bound to each CPU instead of 2645 * each NIC queue to reduce workqueue kthread. As we 2646 * should consider about interrupt affinity in this 2647 * function, the workqueue kthread must be WQ_PERCPU. 2648 * If create WQ_PERCPU workqueue kthread for each NIC 2649 * queue, that number of created workqueue kthread is 2650 * (number of used NIC queue) * (number of CPUs) = 2651 * (number of CPUs) ^ 2 most often. 2652 * 2653 * The same NIC queue's interrupts are avoided by 2654 * masking the queue's interrupt. And different 2655 * NIC queue's interrupts use different struct work 2656 * (que->wq_cookie). So, "enqueued flag" to avoid 2657 * twice workqueue_enqueue() is not required . 2658 */ 2659 workqueue_enqueue(adapter->que_wq, &que->wq_cookie, curcpu()); 2660 } else { 2661 softint_schedule(que->que_si); 2662 } 2663 } 2664 2665 /************************************************************************ 2666 * ixgbe_msix_que - MSI-X Queue Interrupt Service routine 2667 ************************************************************************/ 2668 static int 2669 ixgbe_msix_que(void *arg) 2670 { 2671 struct ix_queue *que = arg; 2672 struct adapter *adapter = que->adapter; 2673 struct ifnet *ifp = adapter->ifp; 2674 struct tx_ring *txr = que->txr; 2675 struct rx_ring *rxr = que->rxr; 2676 bool more; 2677 u32 newitr = 0; 2678 2679 /* Protect against spurious interrupts */ 2680 if ((ifp->if_flags & IFF_RUNNING) == 0) 2681 return 0; 2682 2683 ixgbe_disable_queue(adapter, que->msix); 2684 ++que->irqs.ev_count; 2685 2686 /* 2687 * Don't change "que->txrx_use_workqueue" from this point to avoid 2688 * flip-flopping softint/workqueue mode in one deferred processing. 2689 */ 2690 que->txrx_use_workqueue = adapter->txrx_use_workqueue; 2691 2692 #ifdef __NetBSD__ 2693 /* Don't run ixgbe_rxeof in interrupt context */ 2694 more = true; 2695 #else 2696 more = ixgbe_rxeof(que); 2697 #endif 2698 2699 IXGBE_TX_LOCK(txr); 2700 ixgbe_txeof(txr); 2701 IXGBE_TX_UNLOCK(txr); 2702 2703 /* Do AIM now? */ 2704 2705 if (adapter->enable_aim == false) 2706 goto no_calc; 2707 /* 2708 * Do Adaptive Interrupt Moderation: 2709 * - Write out last calculated setting 2710 * - Calculate based on average size over 2711 * the last interval. 2712 */ 2713 if (que->eitr_setting) 2714 ixgbe_eitr_write(adapter, que->msix, que->eitr_setting); 2715 2716 que->eitr_setting = 0; 2717 2718 /* Idle, do nothing */ 2719 if ((txr->bytes == 0) && (rxr->bytes == 0)) 2720 goto no_calc; 2721 2722 if ((txr->bytes) && (txr->packets)) 2723 newitr = txr->bytes/txr->packets; 2724 if ((rxr->bytes) && (rxr->packets)) 2725 newitr = uimax(newitr, (rxr->bytes / rxr->packets)); 2726 newitr += 24; /* account for hardware frame, crc */ 2727 2728 /* set an upper boundary */ 2729 newitr = uimin(newitr, 3000); 2730 2731 /* Be nice to the mid range */ 2732 if ((newitr > 300) && (newitr < 1200)) 2733 newitr = (newitr / 3); 2734 else 2735 newitr = (newitr / 2); 2736 2737 /* 2738 * When RSC is used, ITR interval must be larger than RSC_DELAY. 2739 * Currently, we use 2us for RSC_DELAY. The minimum value is always 2740 * greater than 2us on 100M (and 10M?(not documented)), but it's not 2741 * on 1G and higher. 2742 */ 2743 if ((adapter->link_speed != IXGBE_LINK_SPEED_100_FULL) 2744 && (adapter->link_speed != IXGBE_LINK_SPEED_10_FULL)) { 2745 if (newitr < IXGBE_MIN_RSC_EITR_10G1G) 2746 newitr = IXGBE_MIN_RSC_EITR_10G1G; 2747 } 2748 2749 /* save for next interrupt */ 2750 que->eitr_setting = newitr; 2751 2752 /* Reset state */ 2753 txr->bytes = 0; 2754 txr->packets = 0; 2755 rxr->bytes = 0; 2756 rxr->packets = 0; 2757 2758 no_calc: 2759 if (more) 2760 ixgbe_sched_handle_que(adapter, que); 2761 else 2762 ixgbe_enable_queue(adapter, que->msix); 2763 2764 return 1; 2765 } /* ixgbe_msix_que */ 2766 2767 /************************************************************************ 2768 * ixgbe_media_status - Media Ioctl callback 2769 * 2770 * Called whenever the user queries the status of 2771 * the interface using ifconfig. 2772 ************************************************************************/ 2773 static void 2774 ixgbe_media_status(struct ifnet *ifp, struct ifmediareq *ifmr) 2775 { 2776 struct adapter *adapter = ifp->if_softc; 2777 struct ixgbe_hw *hw = &adapter->hw; 2778 int layer; 2779 2780 INIT_DEBUGOUT("ixgbe_media_status: begin"); 2781 IXGBE_CORE_LOCK(adapter); 2782 ixgbe_update_link_status(adapter); 2783 2784 ifmr->ifm_status = IFM_AVALID; 2785 ifmr->ifm_active = IFM_ETHER; 2786 2787 if (adapter->link_active != LINK_STATE_UP) { 2788 ifmr->ifm_active |= IFM_NONE; 2789 IXGBE_CORE_UNLOCK(adapter); 2790 return; 2791 } 2792 2793 ifmr->ifm_status |= IFM_ACTIVE; 2794 layer = adapter->phy_layer; 2795 2796 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_T || 2797 layer & IXGBE_PHYSICAL_LAYER_5GBASE_T || 2798 layer & IXGBE_PHYSICAL_LAYER_2500BASE_T || 2799 layer & IXGBE_PHYSICAL_LAYER_1000BASE_T || 2800 layer & IXGBE_PHYSICAL_LAYER_100BASE_TX || 2801 layer & IXGBE_PHYSICAL_LAYER_10BASE_T) 2802 switch (adapter->link_speed) { 2803 case IXGBE_LINK_SPEED_10GB_FULL: 2804 ifmr->ifm_active |= IFM_10G_T | IFM_FDX; 2805 break; 2806 case IXGBE_LINK_SPEED_5GB_FULL: 2807 ifmr->ifm_active |= IFM_5000_T | IFM_FDX; 2808 break; 2809 case IXGBE_LINK_SPEED_2_5GB_FULL: 2810 ifmr->ifm_active |= IFM_2500_T | IFM_FDX; 2811 break; 2812 case IXGBE_LINK_SPEED_1GB_FULL: 2813 ifmr->ifm_active |= IFM_1000_T | IFM_FDX; 2814 break; 2815 case IXGBE_LINK_SPEED_100_FULL: 2816 ifmr->ifm_active |= IFM_100_TX | IFM_FDX; 2817 break; 2818 case IXGBE_LINK_SPEED_10_FULL: 2819 ifmr->ifm_active |= IFM_10_T | IFM_FDX; 2820 break; 2821 } 2822 if (layer & IXGBE_PHYSICAL_LAYER_SFP_PLUS_CU || 2823 layer & IXGBE_PHYSICAL_LAYER_SFP_ACTIVE_DA) 2824 switch (adapter->link_speed) { 2825 case IXGBE_LINK_SPEED_10GB_FULL: 2826 ifmr->ifm_active |= IFM_10G_TWINAX | IFM_FDX; 2827 break; 2828 } 2829 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_LR) 2830 switch (adapter->link_speed) { 2831 case IXGBE_LINK_SPEED_10GB_FULL: 2832 ifmr->ifm_active |= IFM_10G_LR | IFM_FDX; 2833 break; 2834 case IXGBE_LINK_SPEED_1GB_FULL: 2835 ifmr->ifm_active |= IFM_1000_LX | IFM_FDX; 2836 break; 2837 } 2838 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_LRM) 2839 switch (adapter->link_speed) { 2840 case IXGBE_LINK_SPEED_10GB_FULL: 2841 ifmr->ifm_active |= IFM_10G_LRM | IFM_FDX; 2842 break; 2843 case IXGBE_LINK_SPEED_1GB_FULL: 2844 ifmr->ifm_active |= IFM_1000_LX | IFM_FDX; 2845 break; 2846 } 2847 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_SR || 2848 layer & IXGBE_PHYSICAL_LAYER_1000BASE_SX) 2849 switch (adapter->link_speed) { 2850 case IXGBE_LINK_SPEED_10GB_FULL: 2851 ifmr->ifm_active |= IFM_10G_SR | IFM_FDX; 2852 break; 2853 case IXGBE_LINK_SPEED_1GB_FULL: 2854 ifmr->ifm_active |= IFM_1000_SX | IFM_FDX; 2855 break; 2856 } 2857 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_CX4) 2858 switch (adapter->link_speed) { 2859 case IXGBE_LINK_SPEED_10GB_FULL: 2860 ifmr->ifm_active |= IFM_10G_CX4 | IFM_FDX; 2861 break; 2862 } 2863 /* 2864 * XXX: These need to use the proper media types once 2865 * they're added. 2866 */ 2867 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KR) 2868 switch (adapter->link_speed) { 2869 case IXGBE_LINK_SPEED_10GB_FULL: 2870 ifmr->ifm_active |= IFM_10G_KR | IFM_FDX; 2871 break; 2872 case IXGBE_LINK_SPEED_2_5GB_FULL: 2873 ifmr->ifm_active |= IFM_2500_KX | IFM_FDX; 2874 break; 2875 case IXGBE_LINK_SPEED_1GB_FULL: 2876 ifmr->ifm_active |= IFM_1000_KX | IFM_FDX; 2877 break; 2878 } 2879 else if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KX4 || 2880 layer & IXGBE_PHYSICAL_LAYER_2500BASE_KX || 2881 layer & IXGBE_PHYSICAL_LAYER_1000BASE_KX) 2882 switch (adapter->link_speed) { 2883 case IXGBE_LINK_SPEED_10GB_FULL: 2884 ifmr->ifm_active |= IFM_10G_KX4 | IFM_FDX; 2885 break; 2886 case IXGBE_LINK_SPEED_2_5GB_FULL: 2887 ifmr->ifm_active |= IFM_2500_KX | IFM_FDX; 2888 break; 2889 case IXGBE_LINK_SPEED_1GB_FULL: 2890 ifmr->ifm_active |= IFM_1000_KX | IFM_FDX; 2891 break; 2892 } 2893 2894 /* If nothing is recognized... */ 2895 #if 0 2896 if (IFM_SUBTYPE(ifmr->ifm_active) == 0) 2897 ifmr->ifm_active |= IFM_UNKNOWN; 2898 #endif 2899 2900 ifp->if_baudrate = ifmedia_baudrate(ifmr->ifm_active); 2901 2902 /* Display current flow control setting used on link */ 2903 if (hw->fc.current_mode == ixgbe_fc_rx_pause || 2904 hw->fc.current_mode == ixgbe_fc_full) 2905 ifmr->ifm_active |= IFM_ETH_RXPAUSE; 2906 if (hw->fc.current_mode == ixgbe_fc_tx_pause || 2907 hw->fc.current_mode == ixgbe_fc_full) 2908 ifmr->ifm_active |= IFM_ETH_TXPAUSE; 2909 2910 IXGBE_CORE_UNLOCK(adapter); 2911 2912 return; 2913 } /* ixgbe_media_status */ 2914 2915 /************************************************************************ 2916 * ixgbe_media_change - Media Ioctl callback 2917 * 2918 * Called when the user changes speed/duplex using 2919 * media/mediopt option with ifconfig. 2920 ************************************************************************/ 2921 static int 2922 ixgbe_media_change(struct ifnet *ifp) 2923 { 2924 struct adapter *adapter = ifp->if_softc; 2925 struct ifmedia *ifm = &adapter->media; 2926 struct ixgbe_hw *hw = &adapter->hw; 2927 ixgbe_link_speed speed = 0; 2928 ixgbe_link_speed link_caps = 0; 2929 bool negotiate = false; 2930 s32 err = IXGBE_NOT_IMPLEMENTED; 2931 2932 INIT_DEBUGOUT("ixgbe_media_change: begin"); 2933 2934 if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER) 2935 return (EINVAL); 2936 2937 if (hw->phy.media_type == ixgbe_media_type_backplane) 2938 return (EPERM); 2939 2940 IXGBE_CORE_LOCK(adapter); 2941 /* 2942 * We don't actually need to check against the supported 2943 * media types of the adapter; ifmedia will take care of 2944 * that for us. 2945 */ 2946 switch (IFM_SUBTYPE(ifm->ifm_media)) { 2947 case IFM_AUTO: 2948 err = hw->mac.ops.get_link_capabilities(hw, &link_caps, 2949 &negotiate); 2950 if (err != IXGBE_SUCCESS) { 2951 device_printf(adapter->dev, "Unable to determine " 2952 "supported advertise speeds\n"); 2953 IXGBE_CORE_UNLOCK(adapter); 2954 return (ENODEV); 2955 } 2956 speed |= link_caps; 2957 break; 2958 case IFM_10G_T: 2959 case IFM_10G_LRM: 2960 case IFM_10G_LR: 2961 case IFM_10G_TWINAX: 2962 case IFM_10G_SR: 2963 case IFM_10G_CX4: 2964 case IFM_10G_KR: 2965 case IFM_10G_KX4: 2966 speed |= IXGBE_LINK_SPEED_10GB_FULL; 2967 break; 2968 case IFM_5000_T: 2969 speed |= IXGBE_LINK_SPEED_5GB_FULL; 2970 break; 2971 case IFM_2500_T: 2972 case IFM_2500_KX: 2973 speed |= IXGBE_LINK_SPEED_2_5GB_FULL; 2974 break; 2975 case IFM_1000_T: 2976 case IFM_1000_LX: 2977 case IFM_1000_SX: 2978 case IFM_1000_KX: 2979 speed |= IXGBE_LINK_SPEED_1GB_FULL; 2980 break; 2981 case IFM_100_TX: 2982 speed |= IXGBE_LINK_SPEED_100_FULL; 2983 break; 2984 case IFM_10_T: 2985 speed |= IXGBE_LINK_SPEED_10_FULL; 2986 break; 2987 case IFM_NONE: 2988 break; 2989 default: 2990 goto invalid; 2991 } 2992 2993 hw->mac.autotry_restart = TRUE; 2994 hw->mac.ops.setup_link(hw, speed, TRUE); 2995 adapter->advertise = 0; 2996 if (IFM_SUBTYPE(ifm->ifm_media) != IFM_AUTO) { 2997 if ((speed & IXGBE_LINK_SPEED_10GB_FULL) != 0) 2998 adapter->advertise |= 1 << 2; 2999 if ((speed & IXGBE_LINK_SPEED_1GB_FULL) != 0) 3000 adapter->advertise |= 1 << 1; 3001 if ((speed & IXGBE_LINK_SPEED_100_FULL) != 0) 3002 adapter->advertise |= 1 << 0; 3003 if ((speed & IXGBE_LINK_SPEED_10_FULL) != 0) 3004 adapter->advertise |= 1 << 3; 3005 if ((speed & IXGBE_LINK_SPEED_2_5GB_FULL) != 0) 3006 adapter->advertise |= 1 << 4; 3007 if ((speed & IXGBE_LINK_SPEED_5GB_FULL) != 0) 3008 adapter->advertise |= 1 << 5; 3009 } 3010 3011 IXGBE_CORE_UNLOCK(adapter); 3012 return (0); 3013 3014 invalid: 3015 device_printf(adapter->dev, "Invalid media type!\n"); 3016 IXGBE_CORE_UNLOCK(adapter); 3017 3018 return (EINVAL); 3019 } /* ixgbe_media_change */ 3020 3021 /************************************************************************ 3022 * ixgbe_set_promisc 3023 ************************************************************************/ 3024 static void 3025 ixgbe_set_promisc(struct adapter *adapter) 3026 { 3027 struct ifnet *ifp = adapter->ifp; 3028 int mcnt = 0; 3029 u32 rctl; 3030 struct ether_multi *enm; 3031 struct ether_multistep step; 3032 struct ethercom *ec = &adapter->osdep.ec; 3033 3034 KASSERT(mutex_owned(&adapter->core_mtx)); 3035 rctl = IXGBE_READ_REG(&adapter->hw, IXGBE_FCTRL); 3036 rctl &= (~IXGBE_FCTRL_UPE); 3037 ETHER_LOCK(ec); 3038 if (ec->ec_flags & ETHER_F_ALLMULTI) 3039 mcnt = MAX_NUM_MULTICAST_ADDRESSES; 3040 else { 3041 ETHER_FIRST_MULTI(step, ec, enm); 3042 while (enm != NULL) { 3043 if (mcnt == MAX_NUM_MULTICAST_ADDRESSES) 3044 break; 3045 mcnt++; 3046 ETHER_NEXT_MULTI(step, enm); 3047 } 3048 } 3049 if (mcnt < MAX_NUM_MULTICAST_ADDRESSES) 3050 rctl &= (~IXGBE_FCTRL_MPE); 3051 IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCTRL, rctl); 3052 3053 if (ifp->if_flags & IFF_PROMISC) { 3054 rctl |= (IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE); 3055 IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCTRL, rctl); 3056 } else if (ec->ec_flags & ETHER_F_ALLMULTI) { 3057 rctl |= IXGBE_FCTRL_MPE; 3058 rctl &= ~IXGBE_FCTRL_UPE; 3059 IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCTRL, rctl); 3060 } 3061 ETHER_UNLOCK(ec); 3062 } /* ixgbe_set_promisc */ 3063 3064 /************************************************************************ 3065 * ixgbe_msix_link - Link status change ISR (MSI/MSI-X) 3066 ************************************************************************/ 3067 static int 3068 ixgbe_msix_link(void *arg) 3069 { 3070 struct adapter *adapter = arg; 3071 struct ixgbe_hw *hw = &adapter->hw; 3072 u32 eicr, eicr_mask; 3073 s32 retval; 3074 3075 ++adapter->link_irq.ev_count; 3076 3077 /* Pause other interrupts */ 3078 IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_EIMC_OTHER); 3079 3080 /* First get the cause */ 3081 /* 3082 * The specifications of 82598, 82599, X540 and X550 say EICS register 3083 * is write only. However, Linux says it is a workaround for silicon 3084 * errata to read EICS instead of EICR to get interrupt cause. It seems 3085 * there is a problem about read clear mechanism for EICR register. 3086 */ 3087 eicr = IXGBE_READ_REG(hw, IXGBE_EICS); 3088 /* Be sure the queue bits are not cleared */ 3089 eicr &= ~IXGBE_EICR_RTX_QUEUE; 3090 /* Clear interrupt with write */ 3091 IXGBE_WRITE_REG(hw, IXGBE_EICR, eicr); 3092 3093 /* Link status change */ 3094 if (eicr & IXGBE_EICR_LSC) { 3095 IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_EIMC_LSC); 3096 softint_schedule(adapter->link_si); 3097 } 3098 3099 if (adapter->hw.mac.type != ixgbe_mac_82598EB) { 3100 if ((adapter->feat_en & IXGBE_FEATURE_FDIR) && 3101 (eicr & IXGBE_EICR_FLOW_DIR)) { 3102 /* This is probably overkill :) */ 3103 if (!atomic_cas_uint(&adapter->fdir_reinit, 0, 1)) 3104 return 1; 3105 /* Disable the interrupt */ 3106 IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_EIMC_FLOW_DIR); 3107 softint_schedule(adapter->fdir_si); 3108 } 3109 3110 if (eicr & IXGBE_EICR_ECC) { 3111 device_printf(adapter->dev, 3112 "CRITICAL: ECC ERROR!! Please Reboot!!\n"); 3113 IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_ECC); 3114 } 3115 3116 /* Check for over temp condition */ 3117 if (adapter->feat_en & IXGBE_FEATURE_TEMP_SENSOR) { 3118 switch (adapter->hw.mac.type) { 3119 case ixgbe_mac_X550EM_a: 3120 if (!(eicr & IXGBE_EICR_GPI_SDP0_X550EM_a)) 3121 break; 3122 IXGBE_WRITE_REG(hw, IXGBE_EIMC, 3123 IXGBE_EICR_GPI_SDP0_X550EM_a); 3124 IXGBE_WRITE_REG(hw, IXGBE_EICR, 3125 IXGBE_EICR_GPI_SDP0_X550EM_a); 3126 retval = hw->phy.ops.check_overtemp(hw); 3127 if (retval != IXGBE_ERR_OVERTEMP) 3128 break; 3129 device_printf(adapter->dev, "CRITICAL: OVER TEMP!! PHY IS SHUT DOWN!!\n"); 3130 device_printf(adapter->dev, "System shutdown required!\n"); 3131 break; 3132 default: 3133 if (!(eicr & IXGBE_EICR_TS)) 3134 break; 3135 retval = hw->phy.ops.check_overtemp(hw); 3136 if (retval != IXGBE_ERR_OVERTEMP) 3137 break; 3138 device_printf(adapter->dev, "CRITICAL: OVER TEMP!! PHY IS SHUT DOWN!!\n"); 3139 device_printf(adapter->dev, "System shutdown required!\n"); 3140 IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_TS); 3141 break; 3142 } 3143 } 3144 3145 /* Check for VF message */ 3146 if ((adapter->feat_en & IXGBE_FEATURE_SRIOV) && 3147 (eicr & IXGBE_EICR_MAILBOX)) 3148 softint_schedule(adapter->mbx_si); 3149 } 3150 3151 if (ixgbe_is_sfp(hw)) { 3152 /* Pluggable optics-related interrupt */ 3153 if (hw->mac.type >= ixgbe_mac_X540) 3154 eicr_mask = IXGBE_EICR_GPI_SDP0_X540; 3155 else 3156 eicr_mask = IXGBE_EICR_GPI_SDP2_BY_MAC(hw); 3157 3158 if (eicr & eicr_mask) { 3159 IXGBE_WRITE_REG(hw, IXGBE_EICR, eicr_mask); 3160 softint_schedule(adapter->mod_si); 3161 } 3162 3163 if ((hw->mac.type == ixgbe_mac_82599EB) && 3164 (eicr & IXGBE_EICR_GPI_SDP1_BY_MAC(hw))) { 3165 IXGBE_WRITE_REG(hw, IXGBE_EICR, 3166 IXGBE_EICR_GPI_SDP1_BY_MAC(hw)); 3167 softint_schedule(adapter->msf_si); 3168 } 3169 } 3170 3171 /* Check for fan failure */ 3172 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) { 3173 ixgbe_check_fan_failure(adapter, eicr, TRUE); 3174 IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_GPI_SDP1_BY_MAC(hw)); 3175 } 3176 3177 /* External PHY interrupt */ 3178 if ((hw->phy.type == ixgbe_phy_x550em_ext_t) && 3179 (eicr & IXGBE_EICR_GPI_SDP0_X540)) { 3180 IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_GPI_SDP0_X540); 3181 softint_schedule(adapter->phy_si); 3182 } 3183 3184 /* Re-enable other interrupts */ 3185 IXGBE_WRITE_REG(hw, IXGBE_EIMS, IXGBE_EIMS_OTHER); 3186 return 1; 3187 } /* ixgbe_msix_link */ 3188 3189 static void 3190 ixgbe_eitr_write(struct adapter *adapter, uint32_t index, uint32_t itr) 3191 { 3192 3193 if (adapter->hw.mac.type == ixgbe_mac_82598EB) 3194 itr |= itr << 16; 3195 else 3196 itr |= IXGBE_EITR_CNT_WDIS; 3197 3198 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EITR(index), itr); 3199 } 3200 3201 3202 /************************************************************************ 3203 * ixgbe_sysctl_interrupt_rate_handler 3204 ************************************************************************/ 3205 static int 3206 ixgbe_sysctl_interrupt_rate_handler(SYSCTLFN_ARGS) 3207 { 3208 struct sysctlnode node = *rnode; 3209 struct ix_queue *que = (struct ix_queue *)node.sysctl_data; 3210 struct adapter *adapter; 3211 uint32_t reg, usec, rate; 3212 int error; 3213 3214 if (que == NULL) 3215 return 0; 3216 3217 adapter = que->adapter; 3218 if (ixgbe_fw_recovery_mode_swflag(adapter)) 3219 return (EPERM); 3220 3221 reg = IXGBE_READ_REG(&adapter->hw, IXGBE_EITR(que->msix)); 3222 usec = ((reg & 0x0FF8) >> 3); 3223 if (usec > 0) 3224 rate = 500000 / usec; 3225 else 3226 rate = 0; 3227 node.sysctl_data = &rate; 3228 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 3229 if (error || newp == NULL) 3230 return error; 3231 reg &= ~0xfff; /* default, no limitation */ 3232 if (rate > 0 && rate < 500000) { 3233 if (rate < 1000) 3234 rate = 1000; 3235 reg |= ((4000000/rate) & 0xff8); 3236 /* 3237 * When RSC is used, ITR interval must be larger than 3238 * RSC_DELAY. Currently, we use 2us for RSC_DELAY. 3239 * The minimum value is always greater than 2us on 100M 3240 * (and 10M?(not documented)), but it's not on 1G and higher. 3241 */ 3242 if ((adapter->link_speed != IXGBE_LINK_SPEED_100_FULL) 3243 && (adapter->link_speed != IXGBE_LINK_SPEED_10_FULL)) { 3244 if ((adapter->num_queues > 1) 3245 && (reg < IXGBE_MIN_RSC_EITR_10G1G)) 3246 return EINVAL; 3247 } 3248 ixgbe_max_interrupt_rate = rate; 3249 } else 3250 ixgbe_max_interrupt_rate = 0; 3251 ixgbe_eitr_write(adapter, que->msix, reg); 3252 3253 return (0); 3254 } /* ixgbe_sysctl_interrupt_rate_handler */ 3255 3256 const struct sysctlnode * 3257 ixgbe_sysctl_instance(struct adapter *adapter) 3258 { 3259 const char *dvname; 3260 struct sysctllog **log; 3261 int rc; 3262 const struct sysctlnode *rnode; 3263 3264 if (adapter->sysctltop != NULL) 3265 return adapter->sysctltop; 3266 3267 log = &adapter->sysctllog; 3268 dvname = device_xname(adapter->dev); 3269 3270 if ((rc = sysctl_createv(log, 0, NULL, &rnode, 3271 0, CTLTYPE_NODE, dvname, 3272 SYSCTL_DESCR("ixgbe information and settings"), 3273 NULL, 0, NULL, 0, CTL_HW, CTL_CREATE, CTL_EOL)) != 0) 3274 goto err; 3275 3276 return rnode; 3277 err: 3278 printf("%s: sysctl_createv failed, rc = %d\n", __func__, rc); 3279 return NULL; 3280 } 3281 3282 /************************************************************************ 3283 * ixgbe_add_device_sysctls 3284 ************************************************************************/ 3285 static void 3286 ixgbe_add_device_sysctls(struct adapter *adapter) 3287 { 3288 device_t dev = adapter->dev; 3289 struct ixgbe_hw *hw = &adapter->hw; 3290 struct sysctllog **log; 3291 const struct sysctlnode *rnode, *cnode; 3292 3293 log = &adapter->sysctllog; 3294 3295 if ((rnode = ixgbe_sysctl_instance(adapter)) == NULL) { 3296 aprint_error_dev(dev, "could not create sysctl root\n"); 3297 return; 3298 } 3299 3300 if (sysctl_createv(log, 0, &rnode, &cnode, 3301 CTLFLAG_READWRITE, CTLTYPE_INT, 3302 "debug", SYSCTL_DESCR("Debug Info"), 3303 ixgbe_sysctl_debug, 0, (void *)adapter, 0, CTL_CREATE, CTL_EOL) != 0) 3304 aprint_error_dev(dev, "could not create sysctl\n"); 3305 3306 if (sysctl_createv(log, 0, &rnode, &cnode, 3307 CTLFLAG_READONLY, CTLTYPE_INT, 3308 "num_rx_desc", SYSCTL_DESCR("Number of rx descriptors"), 3309 NULL, 0, &adapter->num_rx_desc, 0, CTL_CREATE, CTL_EOL) != 0) 3310 aprint_error_dev(dev, "could not create sysctl\n"); 3311 3312 if (sysctl_createv(log, 0, &rnode, &cnode, 3313 CTLFLAG_READONLY, CTLTYPE_INT, 3314 "num_queues", SYSCTL_DESCR("Number of queues"), 3315 NULL, 0, &adapter->num_queues, 0, CTL_CREATE, CTL_EOL) != 0) 3316 aprint_error_dev(dev, "could not create sysctl\n"); 3317 3318 /* Sysctls for all devices */ 3319 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3320 CTLTYPE_INT, "fc", SYSCTL_DESCR(IXGBE_SYSCTL_DESC_SET_FC), 3321 ixgbe_sysctl_flowcntl, 0, (void *)adapter, 0, CTL_CREATE, 3322 CTL_EOL) != 0) 3323 aprint_error_dev(dev, "could not create sysctl\n"); 3324 3325 adapter->enable_aim = ixgbe_enable_aim; 3326 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3327 CTLTYPE_BOOL, "enable_aim", SYSCTL_DESCR("Interrupt Moderation"), 3328 NULL, 0, &adapter->enable_aim, 0, CTL_CREATE, CTL_EOL) != 0) 3329 aprint_error_dev(dev, "could not create sysctl\n"); 3330 3331 if (sysctl_createv(log, 0, &rnode, &cnode, 3332 CTLFLAG_READWRITE, CTLTYPE_INT, 3333 "advertise_speed", SYSCTL_DESCR(IXGBE_SYSCTL_DESC_ADV_SPEED), 3334 ixgbe_sysctl_advertise, 0, (void *)adapter, 0, CTL_CREATE, 3335 CTL_EOL) != 0) 3336 aprint_error_dev(dev, "could not create sysctl\n"); 3337 3338 /* 3339 * If each "que->txrx_use_workqueue" is changed in sysctl handler, 3340 * it causesflip-flopping softint/workqueue mode in one deferred 3341 * processing. Therefore, preempt_disable()/preempt_enable() are 3342 * required in ixgbe_sched_handle_que() to avoid 3343 * KASSERT(ixgbe_sched_handle_que()) in softint_schedule(). 3344 * I think changing "que->txrx_use_workqueue" in interrupt handler 3345 * is lighter than doing preempt_disable()/preempt_enable() in every 3346 * ixgbe_sched_handle_que(). 3347 */ 3348 adapter->txrx_use_workqueue = ixgbe_txrx_workqueue; 3349 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3350 CTLTYPE_BOOL, "txrx_workqueue", SYSCTL_DESCR("Use workqueue for packet processing"), 3351 NULL, 0, &adapter->txrx_use_workqueue, 0, CTL_CREATE, CTL_EOL) != 0) 3352 aprint_error_dev(dev, "could not create sysctl\n"); 3353 3354 #ifdef IXGBE_DEBUG 3355 /* testing sysctls (for all devices) */ 3356 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3357 CTLTYPE_INT, "power_state", SYSCTL_DESCR("PCI Power State"), 3358 ixgbe_sysctl_power_state, 0, (void *)adapter, 0, CTL_CREATE, 3359 CTL_EOL) != 0) 3360 aprint_error_dev(dev, "could not create sysctl\n"); 3361 3362 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READONLY, 3363 CTLTYPE_STRING, "print_rss_config", 3364 SYSCTL_DESCR("Prints RSS Configuration"), 3365 ixgbe_sysctl_print_rss_config, 0, (void *)adapter, 0, CTL_CREATE, 3366 CTL_EOL) != 0) 3367 aprint_error_dev(dev, "could not create sysctl\n"); 3368 #endif 3369 /* for X550 series devices */ 3370 if (hw->mac.type >= ixgbe_mac_X550) 3371 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3372 CTLTYPE_INT, "dmac", SYSCTL_DESCR("DMA Coalesce"), 3373 ixgbe_sysctl_dmac, 0, (void *)adapter, 0, CTL_CREATE, 3374 CTL_EOL) != 0) 3375 aprint_error_dev(dev, "could not create sysctl\n"); 3376 3377 /* for WoL-capable devices */ 3378 if (adapter->wol_support) { 3379 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3380 CTLTYPE_BOOL, "wol_enable", 3381 SYSCTL_DESCR("Enable/Disable Wake on LAN"), 3382 ixgbe_sysctl_wol_enable, 0, (void *)adapter, 0, CTL_CREATE, 3383 CTL_EOL) != 0) 3384 aprint_error_dev(dev, "could not create sysctl\n"); 3385 3386 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3387 CTLTYPE_INT, "wufc", 3388 SYSCTL_DESCR("Enable/Disable Wake Up Filters"), 3389 ixgbe_sysctl_wufc, 0, (void *)adapter, 0, CTL_CREATE, 3390 CTL_EOL) != 0) 3391 aprint_error_dev(dev, "could not create sysctl\n"); 3392 } 3393 3394 /* for X552/X557-AT devices */ 3395 if (hw->device_id == IXGBE_DEV_ID_X550EM_X_10G_T) { 3396 const struct sysctlnode *phy_node; 3397 3398 if (sysctl_createv(log, 0, &rnode, &phy_node, 0, CTLTYPE_NODE, 3399 "phy", SYSCTL_DESCR("External PHY sysctls"), 3400 NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL) != 0) { 3401 aprint_error_dev(dev, "could not create sysctl\n"); 3402 return; 3403 } 3404 3405 if (sysctl_createv(log, 0, &phy_node, &cnode, CTLFLAG_READONLY, 3406 CTLTYPE_INT, "temp", 3407 SYSCTL_DESCR("Current External PHY Temperature (Celsius)"), 3408 ixgbe_sysctl_phy_temp, 0, (void *)adapter, 0, CTL_CREATE, 3409 CTL_EOL) != 0) 3410 aprint_error_dev(dev, "could not create sysctl\n"); 3411 3412 if (sysctl_createv(log, 0, &phy_node, &cnode, CTLFLAG_READONLY, 3413 CTLTYPE_INT, "overtemp_occurred", 3414 SYSCTL_DESCR("External PHY High Temperature Event Occurred"), 3415 ixgbe_sysctl_phy_overtemp_occurred, 0, (void *)adapter, 0, 3416 CTL_CREATE, CTL_EOL) != 0) 3417 aprint_error_dev(dev, "could not create sysctl\n"); 3418 } 3419 3420 if ((hw->mac.type == ixgbe_mac_X550EM_a) 3421 && (hw->phy.type == ixgbe_phy_fw)) 3422 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3423 CTLTYPE_BOOL, "force_10_100_autonego", 3424 SYSCTL_DESCR("Force autonego on 10M and 100M"), 3425 NULL, 0, &hw->phy.force_10_100_autonego, 0, 3426 CTL_CREATE, CTL_EOL) != 0) 3427 aprint_error_dev(dev, "could not create sysctl\n"); 3428 3429 if (adapter->feat_cap & IXGBE_FEATURE_EEE) { 3430 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3431 CTLTYPE_INT, "eee_state", 3432 SYSCTL_DESCR("EEE Power Save State"), 3433 ixgbe_sysctl_eee_state, 0, (void *)adapter, 0, CTL_CREATE, 3434 CTL_EOL) != 0) 3435 aprint_error_dev(dev, "could not create sysctl\n"); 3436 } 3437 } /* ixgbe_add_device_sysctls */ 3438 3439 /************************************************************************ 3440 * ixgbe_allocate_pci_resources 3441 ************************************************************************/ 3442 static int 3443 ixgbe_allocate_pci_resources(struct adapter *adapter, 3444 const struct pci_attach_args *pa) 3445 { 3446 pcireg_t memtype, csr; 3447 device_t dev = adapter->dev; 3448 bus_addr_t addr; 3449 int flags; 3450 3451 memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, PCI_BAR(0)); 3452 switch (memtype) { 3453 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT: 3454 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT: 3455 adapter->osdep.mem_bus_space_tag = pa->pa_memt; 3456 if (pci_mapreg_info(pa->pa_pc, pa->pa_tag, PCI_BAR(0), 3457 memtype, &addr, &adapter->osdep.mem_size, &flags) != 0) 3458 goto map_err; 3459 if ((flags & BUS_SPACE_MAP_PREFETCHABLE) != 0) { 3460 aprint_normal_dev(dev, "clearing prefetchable bit\n"); 3461 flags &= ~BUS_SPACE_MAP_PREFETCHABLE; 3462 } 3463 if (bus_space_map(adapter->osdep.mem_bus_space_tag, addr, 3464 adapter->osdep.mem_size, flags, 3465 &adapter->osdep.mem_bus_space_handle) != 0) { 3466 map_err: 3467 adapter->osdep.mem_size = 0; 3468 aprint_error_dev(dev, "unable to map BAR0\n"); 3469 return ENXIO; 3470 } 3471 /* 3472 * Enable address decoding for memory range in case BIOS or 3473 * UEFI don't set it. 3474 */ 3475 csr = pci_conf_read(pa->pa_pc, pa->pa_tag, 3476 PCI_COMMAND_STATUS_REG); 3477 csr |= PCI_COMMAND_MEM_ENABLE; 3478 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 3479 csr); 3480 break; 3481 default: 3482 aprint_error_dev(dev, "unexpected type on BAR0\n"); 3483 return ENXIO; 3484 } 3485 3486 return (0); 3487 } /* ixgbe_allocate_pci_resources */ 3488 3489 static void 3490 ixgbe_free_softint(struct adapter *adapter) 3491 { 3492 struct ix_queue *que = adapter->queues; 3493 struct tx_ring *txr = adapter->tx_rings; 3494 int i; 3495 3496 for (i = 0; i < adapter->num_queues; i++, que++, txr++) { 3497 if (!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX)) { 3498 if (txr->txr_si != NULL) 3499 softint_disestablish(txr->txr_si); 3500 } 3501 if (que->que_si != NULL) 3502 softint_disestablish(que->que_si); 3503 } 3504 if (adapter->txr_wq != NULL) 3505 workqueue_destroy(adapter->txr_wq); 3506 if (adapter->txr_wq_enqueued != NULL) 3507 percpu_free(adapter->txr_wq_enqueued, sizeof(u_int)); 3508 if (adapter->que_wq != NULL) 3509 workqueue_destroy(adapter->que_wq); 3510 3511 /* Drain the Link queue */ 3512 if (adapter->link_si != NULL) { 3513 softint_disestablish(adapter->link_si); 3514 adapter->link_si = NULL; 3515 } 3516 if (adapter->mod_si != NULL) { 3517 softint_disestablish(adapter->mod_si); 3518 adapter->mod_si = NULL; 3519 } 3520 if (adapter->msf_si != NULL) { 3521 softint_disestablish(adapter->msf_si); 3522 adapter->msf_si = NULL; 3523 } 3524 if (adapter->phy_si != NULL) { 3525 softint_disestablish(adapter->phy_si); 3526 adapter->phy_si = NULL; 3527 } 3528 if (adapter->feat_en & IXGBE_FEATURE_FDIR) { 3529 if (adapter->fdir_si != NULL) { 3530 softint_disestablish(adapter->fdir_si); 3531 adapter->fdir_si = NULL; 3532 } 3533 } 3534 if (adapter->feat_cap & IXGBE_FEATURE_SRIOV) { 3535 if (adapter->mbx_si != NULL) { 3536 softint_disestablish(adapter->mbx_si); 3537 adapter->mbx_si = NULL; 3538 } 3539 } 3540 } /* ixgbe_free_softint */ 3541 3542 /************************************************************************ 3543 * ixgbe_detach - Device removal routine 3544 * 3545 * Called when the driver is being removed. 3546 * Stops the adapter and deallocates all the resources 3547 * that were allocated for driver operation. 3548 * 3549 * return 0 on success, positive on failure 3550 ************************************************************************/ 3551 static int 3552 ixgbe_detach(device_t dev, int flags) 3553 { 3554 struct adapter *adapter = device_private(dev); 3555 struct rx_ring *rxr = adapter->rx_rings; 3556 struct tx_ring *txr = adapter->tx_rings; 3557 struct ixgbe_hw *hw = &adapter->hw; 3558 struct ixgbe_hw_stats *stats = &adapter->stats.pf; 3559 u32 ctrl_ext; 3560 int i; 3561 3562 INIT_DEBUGOUT("ixgbe_detach: begin"); 3563 if (adapter->osdep.attached == false) 3564 return 0; 3565 3566 if (ixgbe_pci_iov_detach(dev) != 0) { 3567 device_printf(dev, "SR-IOV in use; detach first.\n"); 3568 return (EBUSY); 3569 } 3570 3571 /* Stop the interface. Callouts are stopped in it. */ 3572 ixgbe_ifstop(adapter->ifp, 1); 3573 #if NVLAN > 0 3574 /* Make sure VLANs are not using driver */ 3575 if (!VLAN_ATTACHED(&adapter->osdep.ec)) 3576 ; /* nothing to do: no VLANs */ 3577 else if ((flags & (DETACH_SHUTDOWN | DETACH_FORCE)) != 0) 3578 vlan_ifdetach(adapter->ifp); 3579 else { 3580 aprint_error_dev(dev, "VLANs in use, detach first\n"); 3581 return (EBUSY); 3582 } 3583 #endif 3584 3585 pmf_device_deregister(dev); 3586 3587 ether_ifdetach(adapter->ifp); 3588 /* Stop the adapter */ 3589 IXGBE_CORE_LOCK(adapter); 3590 ixgbe_setup_low_power_mode(adapter); 3591 IXGBE_CORE_UNLOCK(adapter); 3592 3593 ixgbe_free_softint(adapter); 3594 3595 /* let hardware know driver is unloading */ 3596 ctrl_ext = IXGBE_READ_REG(&adapter->hw, IXGBE_CTRL_EXT); 3597 ctrl_ext &= ~IXGBE_CTRL_EXT_DRV_LOAD; 3598 IXGBE_WRITE_REG(&adapter->hw, IXGBE_CTRL_EXT, ctrl_ext); 3599 3600 callout_halt(&adapter->timer, NULL); 3601 if (adapter->feat_en & IXGBE_FEATURE_RECOVERY_MODE) 3602 callout_halt(&adapter->recovery_mode_timer, NULL); 3603 3604 if (adapter->feat_en & IXGBE_FEATURE_NETMAP) 3605 netmap_detach(adapter->ifp); 3606 3607 ixgbe_free_pci_resources(adapter); 3608 #if 0 /* XXX the NetBSD port is probably missing something here */ 3609 bus_generic_detach(dev); 3610 #endif 3611 if_detach(adapter->ifp); 3612 if_percpuq_destroy(adapter->ipq); 3613 3614 sysctl_teardown(&adapter->sysctllog); 3615 evcnt_detach(&adapter->efbig_tx_dma_setup); 3616 evcnt_detach(&adapter->mbuf_defrag_failed); 3617 evcnt_detach(&adapter->efbig2_tx_dma_setup); 3618 evcnt_detach(&adapter->einval_tx_dma_setup); 3619 evcnt_detach(&adapter->other_tx_dma_setup); 3620 evcnt_detach(&adapter->eagain_tx_dma_setup); 3621 evcnt_detach(&adapter->enomem_tx_dma_setup); 3622 evcnt_detach(&adapter->watchdog_events); 3623 evcnt_detach(&adapter->tso_err); 3624 evcnt_detach(&adapter->link_irq); 3625 evcnt_detach(&adapter->link_sicount); 3626 evcnt_detach(&adapter->mod_sicount); 3627 evcnt_detach(&adapter->msf_sicount); 3628 evcnt_detach(&adapter->phy_sicount); 3629 3630 for (i = 0; i < IXGBE_TC_COUNTER_NUM; i++) { 3631 if (i < __arraycount(stats->mpc)) { 3632 evcnt_detach(&stats->mpc[i]); 3633 if (hw->mac.type == ixgbe_mac_82598EB) 3634 evcnt_detach(&stats->rnbc[i]); 3635 } 3636 if (i < __arraycount(stats->pxontxc)) { 3637 evcnt_detach(&stats->pxontxc[i]); 3638 evcnt_detach(&stats->pxonrxc[i]); 3639 evcnt_detach(&stats->pxofftxc[i]); 3640 evcnt_detach(&stats->pxoffrxc[i]); 3641 if (hw->mac.type >= ixgbe_mac_82599EB) 3642 evcnt_detach(&stats->pxon2offc[i]); 3643 } 3644 } 3645 3646 txr = adapter->tx_rings; 3647 for (i = 0; i < adapter->num_queues; i++, rxr++, txr++) { 3648 evcnt_detach(&adapter->queues[i].irqs); 3649 evcnt_detach(&adapter->queues[i].handleq); 3650 evcnt_detach(&adapter->queues[i].req); 3651 evcnt_detach(&txr->no_desc_avail); 3652 evcnt_detach(&txr->total_packets); 3653 evcnt_detach(&txr->tso_tx); 3654 #ifndef IXGBE_LEGACY_TX 3655 evcnt_detach(&txr->pcq_drops); 3656 #endif 3657 3658 if (i < __arraycount(stats->qprc)) { 3659 evcnt_detach(&stats->qprc[i]); 3660 evcnt_detach(&stats->qptc[i]); 3661 evcnt_detach(&stats->qbrc[i]); 3662 evcnt_detach(&stats->qbtc[i]); 3663 if (hw->mac.type >= ixgbe_mac_82599EB) 3664 evcnt_detach(&stats->qprdc[i]); 3665 } 3666 3667 evcnt_detach(&rxr->rx_packets); 3668 evcnt_detach(&rxr->rx_bytes); 3669 evcnt_detach(&rxr->rx_copies); 3670 evcnt_detach(&rxr->no_jmbuf); 3671 evcnt_detach(&rxr->rx_discarded); 3672 } 3673 evcnt_detach(&stats->ipcs); 3674 evcnt_detach(&stats->l4cs); 3675 evcnt_detach(&stats->ipcs_bad); 3676 evcnt_detach(&stats->l4cs_bad); 3677 evcnt_detach(&stats->intzero); 3678 evcnt_detach(&stats->legint); 3679 evcnt_detach(&stats->crcerrs); 3680 evcnt_detach(&stats->illerrc); 3681 evcnt_detach(&stats->errbc); 3682 evcnt_detach(&stats->mspdc); 3683 if (hw->mac.type >= ixgbe_mac_X550) 3684 evcnt_detach(&stats->mbsdc); 3685 evcnt_detach(&stats->mpctotal); 3686 evcnt_detach(&stats->mlfc); 3687 evcnt_detach(&stats->mrfc); 3688 evcnt_detach(&stats->rlec); 3689 evcnt_detach(&stats->lxontxc); 3690 evcnt_detach(&stats->lxonrxc); 3691 evcnt_detach(&stats->lxofftxc); 3692 evcnt_detach(&stats->lxoffrxc); 3693 3694 /* Packet Reception Stats */ 3695 evcnt_detach(&stats->tor); 3696 evcnt_detach(&stats->gorc); 3697 evcnt_detach(&stats->tpr); 3698 evcnt_detach(&stats->gprc); 3699 evcnt_detach(&stats->mprc); 3700 evcnt_detach(&stats->bprc); 3701 evcnt_detach(&stats->prc64); 3702 evcnt_detach(&stats->prc127); 3703 evcnt_detach(&stats->prc255); 3704 evcnt_detach(&stats->prc511); 3705 evcnt_detach(&stats->prc1023); 3706 evcnt_detach(&stats->prc1522); 3707 evcnt_detach(&stats->ruc); 3708 evcnt_detach(&stats->rfc); 3709 evcnt_detach(&stats->roc); 3710 evcnt_detach(&stats->rjc); 3711 evcnt_detach(&stats->mngprc); 3712 evcnt_detach(&stats->mngpdc); 3713 evcnt_detach(&stats->xec); 3714 3715 /* Packet Transmission Stats */ 3716 evcnt_detach(&stats->gotc); 3717 evcnt_detach(&stats->tpt); 3718 evcnt_detach(&stats->gptc); 3719 evcnt_detach(&stats->bptc); 3720 evcnt_detach(&stats->mptc); 3721 evcnt_detach(&stats->mngptc); 3722 evcnt_detach(&stats->ptc64); 3723 evcnt_detach(&stats->ptc127); 3724 evcnt_detach(&stats->ptc255); 3725 evcnt_detach(&stats->ptc511); 3726 evcnt_detach(&stats->ptc1023); 3727 evcnt_detach(&stats->ptc1522); 3728 3729 ixgbe_free_transmit_structures(adapter); 3730 ixgbe_free_receive_structures(adapter); 3731 for (i = 0; i < adapter->num_queues; i++) { 3732 struct ix_queue * que = &adapter->queues[i]; 3733 mutex_destroy(&que->dc_mtx); 3734 } 3735 free(adapter->queues, M_DEVBUF); 3736 free(adapter->mta, M_DEVBUF); 3737 3738 IXGBE_CORE_LOCK_DESTROY(adapter); 3739 3740 return (0); 3741 } /* ixgbe_detach */ 3742 3743 /************************************************************************ 3744 * ixgbe_setup_low_power_mode - LPLU/WoL preparation 3745 * 3746 * Prepare the adapter/port for LPLU and/or WoL 3747 ************************************************************************/ 3748 static int 3749 ixgbe_setup_low_power_mode(struct adapter *adapter) 3750 { 3751 struct ixgbe_hw *hw = &adapter->hw; 3752 device_t dev = adapter->dev; 3753 s32 error = 0; 3754 3755 KASSERT(mutex_owned(&adapter->core_mtx)); 3756 3757 /* Limit power management flow to X550EM baseT */ 3758 if (hw->device_id == IXGBE_DEV_ID_X550EM_X_10G_T && 3759 hw->phy.ops.enter_lplu) { 3760 /* X550EM baseT adapters need a special LPLU flow */ 3761 hw->phy.reset_disable = true; 3762 ixgbe_stop(adapter); 3763 error = hw->phy.ops.enter_lplu(hw); 3764 if (error) 3765 device_printf(dev, 3766 "Error entering LPLU: %d\n", error); 3767 hw->phy.reset_disable = false; 3768 } else { 3769 /* Just stop for other adapters */ 3770 ixgbe_stop(adapter); 3771 } 3772 3773 if (!hw->wol_enabled) { 3774 ixgbe_set_phy_power(hw, FALSE); 3775 IXGBE_WRITE_REG(hw, IXGBE_WUFC, 0); 3776 IXGBE_WRITE_REG(hw, IXGBE_WUC, 0); 3777 } else { 3778 /* Turn off support for APM wakeup. (Using ACPI instead) */ 3779 IXGBE_WRITE_REG(hw, IXGBE_GRC_BY_MAC(hw), 3780 IXGBE_READ_REG(hw, IXGBE_GRC_BY_MAC(hw)) & ~(u32)2); 3781 3782 /* 3783 * Clear Wake Up Status register to prevent any previous wakeup 3784 * events from waking us up immediately after we suspend. 3785 */ 3786 IXGBE_WRITE_REG(hw, IXGBE_WUS, 0xffffffff); 3787 3788 /* 3789 * Program the Wakeup Filter Control register with user filter 3790 * settings 3791 */ 3792 IXGBE_WRITE_REG(hw, IXGBE_WUFC, adapter->wufc); 3793 3794 /* Enable wakeups and power management in Wakeup Control */ 3795 IXGBE_WRITE_REG(hw, IXGBE_WUC, 3796 IXGBE_WUC_WKEN | IXGBE_WUC_PME_EN); 3797 3798 } 3799 3800 return error; 3801 } /* ixgbe_setup_low_power_mode */ 3802 3803 /************************************************************************ 3804 * ixgbe_shutdown - Shutdown entry point 3805 ************************************************************************/ 3806 #if 0 /* XXX NetBSD ought to register something like this through pmf(9) */ 3807 static int 3808 ixgbe_shutdown(device_t dev) 3809 { 3810 struct adapter *adapter = device_private(dev); 3811 int error = 0; 3812 3813 INIT_DEBUGOUT("ixgbe_shutdown: begin"); 3814 3815 IXGBE_CORE_LOCK(adapter); 3816 error = ixgbe_setup_low_power_mode(adapter); 3817 IXGBE_CORE_UNLOCK(adapter); 3818 3819 return (error); 3820 } /* ixgbe_shutdown */ 3821 #endif 3822 3823 /************************************************************************ 3824 * ixgbe_suspend 3825 * 3826 * From D0 to D3 3827 ************************************************************************/ 3828 static bool 3829 ixgbe_suspend(device_t dev, const pmf_qual_t *qual) 3830 { 3831 struct adapter *adapter = device_private(dev); 3832 int error = 0; 3833 3834 INIT_DEBUGOUT("ixgbe_suspend: begin"); 3835 3836 IXGBE_CORE_LOCK(adapter); 3837 3838 error = ixgbe_setup_low_power_mode(adapter); 3839 3840 IXGBE_CORE_UNLOCK(adapter); 3841 3842 return (error); 3843 } /* ixgbe_suspend */ 3844 3845 /************************************************************************ 3846 * ixgbe_resume 3847 * 3848 * From D3 to D0 3849 ************************************************************************/ 3850 static bool 3851 ixgbe_resume(device_t dev, const pmf_qual_t *qual) 3852 { 3853 struct adapter *adapter = device_private(dev); 3854 struct ifnet *ifp = adapter->ifp; 3855 struct ixgbe_hw *hw = &adapter->hw; 3856 u32 wus; 3857 3858 INIT_DEBUGOUT("ixgbe_resume: begin"); 3859 3860 IXGBE_CORE_LOCK(adapter); 3861 3862 /* Read & clear WUS register */ 3863 wus = IXGBE_READ_REG(hw, IXGBE_WUS); 3864 if (wus) 3865 device_printf(dev, "Woken up by (WUS): %#010x\n", 3866 IXGBE_READ_REG(hw, IXGBE_WUS)); 3867 IXGBE_WRITE_REG(hw, IXGBE_WUS, 0xffffffff); 3868 /* And clear WUFC until next low-power transition */ 3869 IXGBE_WRITE_REG(hw, IXGBE_WUFC, 0); 3870 3871 /* 3872 * Required after D3->D0 transition; 3873 * will re-advertise all previous advertised speeds 3874 */ 3875 if (ifp->if_flags & IFF_UP) 3876 ixgbe_init_locked(adapter); 3877 3878 IXGBE_CORE_UNLOCK(adapter); 3879 3880 return true; 3881 } /* ixgbe_resume */ 3882 3883 /* 3884 * Set the various hardware offload abilities. 3885 * 3886 * This takes the ifnet's if_capenable flags (e.g. set by the user using 3887 * ifconfig) and indicates to the OS via the ifnet's if_hwassist field what 3888 * mbuf offload flags the driver will understand. 3889 */ 3890 static void 3891 ixgbe_set_if_hwassist(struct adapter *adapter) 3892 { 3893 /* XXX */ 3894 } 3895 3896 /************************************************************************ 3897 * ixgbe_init_locked - Init entry point 3898 * 3899 * Used in two ways: It is used by the stack as an init 3900 * entry point in network interface structure. It is also 3901 * used by the driver as a hw/sw initialization routine to 3902 * get to a consistent state. 3903 * 3904 * return 0 on success, positive on failure 3905 ************************************************************************/ 3906 static void 3907 ixgbe_init_locked(struct adapter *adapter) 3908 { 3909 struct ifnet *ifp = adapter->ifp; 3910 device_t dev = adapter->dev; 3911 struct ixgbe_hw *hw = &adapter->hw; 3912 struct ix_queue *que; 3913 struct tx_ring *txr; 3914 struct rx_ring *rxr; 3915 u32 txdctl, mhadd; 3916 u32 rxdctl, rxctrl; 3917 u32 ctrl_ext; 3918 int i, j, err; 3919 3920 /* XXX check IFF_UP and IFF_RUNNING, power-saving state! */ 3921 3922 KASSERT(mutex_owned(&adapter->core_mtx)); 3923 INIT_DEBUGOUT("ixgbe_init_locked: begin"); 3924 3925 hw->adapter_stopped = FALSE; 3926 ixgbe_stop_adapter(hw); 3927 callout_stop(&adapter->timer); 3928 for (i = 0, que = adapter->queues; i < adapter->num_queues; i++, que++) 3929 que->disabled_count = 0; 3930 3931 /* XXX I moved this here from the SIOCSIFMTU case in ixgbe_ioctl(). */ 3932 adapter->max_frame_size = 3933 ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN; 3934 3935 /* Queue indices may change with IOV mode */ 3936 ixgbe_align_all_queue_indices(adapter); 3937 3938 /* reprogram the RAR[0] in case user changed it. */ 3939 ixgbe_set_rar(hw, 0, hw->mac.addr, adapter->pool, IXGBE_RAH_AV); 3940 3941 /* Get the latest mac address, User can use a LAA */ 3942 memcpy(hw->mac.addr, CLLADDR(ifp->if_sadl), 3943 IXGBE_ETH_LENGTH_OF_ADDRESS); 3944 ixgbe_set_rar(hw, 0, hw->mac.addr, adapter->pool, 1); 3945 hw->addr_ctrl.rar_used_count = 1; 3946 3947 /* Set hardware offload abilities from ifnet flags */ 3948 ixgbe_set_if_hwassist(adapter); 3949 3950 /* Prepare transmit descriptors and buffers */ 3951 if (ixgbe_setup_transmit_structures(adapter)) { 3952 device_printf(dev, "Could not setup transmit structures\n"); 3953 ixgbe_stop(adapter); 3954 return; 3955 } 3956 3957 ixgbe_init_hw(hw); 3958 3959 ixgbe_initialize_iov(adapter); 3960 3961 ixgbe_initialize_transmit_units(adapter); 3962 3963 /* Setup Multicast table */ 3964 ixgbe_set_multi(adapter); 3965 3966 /* Determine the correct mbuf pool, based on frame size */ 3967 if (adapter->max_frame_size <= MCLBYTES) 3968 adapter->rx_mbuf_sz = MCLBYTES; 3969 else 3970 adapter->rx_mbuf_sz = MJUMPAGESIZE; 3971 3972 /* Prepare receive descriptors and buffers */ 3973 if (ixgbe_setup_receive_structures(adapter)) { 3974 device_printf(dev, "Could not setup receive structures\n"); 3975 ixgbe_stop(adapter); 3976 return; 3977 } 3978 3979 /* Configure RX settings */ 3980 ixgbe_initialize_receive_units(adapter); 3981 3982 /* Enable SDP & MSI-X interrupts based on adapter */ 3983 ixgbe_config_gpie(adapter); 3984 3985 /* Set MTU size */ 3986 if (ifp->if_mtu > ETHERMTU) { 3987 /* aka IXGBE_MAXFRS on 82599 and newer */ 3988 mhadd = IXGBE_READ_REG(hw, IXGBE_MHADD); 3989 mhadd &= ~IXGBE_MHADD_MFS_MASK; 3990 mhadd |= adapter->max_frame_size << IXGBE_MHADD_MFS_SHIFT; 3991 IXGBE_WRITE_REG(hw, IXGBE_MHADD, mhadd); 3992 } 3993 3994 /* Now enable all the queues */ 3995 for (i = 0; i < adapter->num_queues; i++) { 3996 txr = &adapter->tx_rings[i]; 3997 txdctl = IXGBE_READ_REG(hw, IXGBE_TXDCTL(txr->me)); 3998 txdctl |= IXGBE_TXDCTL_ENABLE; 3999 /* Set WTHRESH to 8, burst writeback */ 4000 txdctl |= (8 << 16); 4001 /* 4002 * When the internal queue falls below PTHRESH (32), 4003 * start prefetching as long as there are at least 4004 * HTHRESH (1) buffers ready. The values are taken 4005 * from the Intel linux driver 3.8.21. 4006 * Prefetching enables tx line rate even with 1 queue. 4007 */ 4008 txdctl |= (32 << 0) | (1 << 8); 4009 IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(txr->me), txdctl); 4010 } 4011 4012 for (i = 0; i < adapter->num_queues; i++) { 4013 rxr = &adapter->rx_rings[i]; 4014 rxdctl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(rxr->me)); 4015 if (hw->mac.type == ixgbe_mac_82598EB) { 4016 /* 4017 * PTHRESH = 21 4018 * HTHRESH = 4 4019 * WTHRESH = 8 4020 */ 4021 rxdctl &= ~0x3FFFFF; 4022 rxdctl |= 0x080420; 4023 } 4024 rxdctl |= IXGBE_RXDCTL_ENABLE; 4025 IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(rxr->me), rxdctl); 4026 for (j = 0; j < 10; j++) { 4027 if (IXGBE_READ_REG(hw, IXGBE_RXDCTL(rxr->me)) & 4028 IXGBE_RXDCTL_ENABLE) 4029 break; 4030 else 4031 msec_delay(1); 4032 } 4033 wmb(); 4034 4035 /* 4036 * In netmap mode, we must preserve the buffers made 4037 * available to userspace before the if_init() 4038 * (this is true by default on the TX side, because 4039 * init makes all buffers available to userspace). 4040 * 4041 * netmap_reset() and the device specific routines 4042 * (e.g. ixgbe_setup_receive_rings()) map these 4043 * buffers at the end of the NIC ring, so here we 4044 * must set the RDT (tail) register to make sure 4045 * they are not overwritten. 4046 * 4047 * In this driver the NIC ring starts at RDH = 0, 4048 * RDT points to the last slot available for reception (?), 4049 * so RDT = num_rx_desc - 1 means the whole ring is available. 4050 */ 4051 #ifdef DEV_NETMAP 4052 if ((adapter->feat_en & IXGBE_FEATURE_NETMAP) && 4053 (ifp->if_capenable & IFCAP_NETMAP)) { 4054 struct netmap_adapter *na = NA(adapter->ifp); 4055 struct netmap_kring *kring = na->rx_rings[i]; 4056 int t = na->num_rx_desc - 1 - nm_kr_rxspace(kring); 4057 4058 IXGBE_WRITE_REG(hw, IXGBE_RDT(rxr->me), t); 4059 } else 4060 #endif /* DEV_NETMAP */ 4061 IXGBE_WRITE_REG(hw, IXGBE_RDT(rxr->me), 4062 adapter->num_rx_desc - 1); 4063 } 4064 4065 /* Enable Receive engine */ 4066 rxctrl = IXGBE_READ_REG(hw, IXGBE_RXCTRL); 4067 if (hw->mac.type == ixgbe_mac_82598EB) 4068 rxctrl |= IXGBE_RXCTRL_DMBYPS; 4069 rxctrl |= IXGBE_RXCTRL_RXEN; 4070 ixgbe_enable_rx_dma(hw, rxctrl); 4071 4072 callout_reset(&adapter->timer, hz, ixgbe_local_timer, adapter); 4073 4074 /* Set up MSI/MSI-X routing */ 4075 if (adapter->feat_en & IXGBE_FEATURE_MSIX) { 4076 ixgbe_configure_ivars(adapter); 4077 /* Set up auto-mask */ 4078 if (hw->mac.type == ixgbe_mac_82598EB) 4079 IXGBE_WRITE_REG(hw, IXGBE_EIAM, IXGBE_EICS_RTX_QUEUE); 4080 else { 4081 IXGBE_WRITE_REG(hw, IXGBE_EIAM_EX(0), 0xFFFFFFFF); 4082 IXGBE_WRITE_REG(hw, IXGBE_EIAM_EX(1), 0xFFFFFFFF); 4083 } 4084 } else { /* Simple settings for Legacy/MSI */ 4085 ixgbe_set_ivar(adapter, 0, 0, 0); 4086 ixgbe_set_ivar(adapter, 0, 0, 1); 4087 IXGBE_WRITE_REG(hw, IXGBE_EIAM, IXGBE_EICS_RTX_QUEUE); 4088 } 4089 4090 ixgbe_init_fdir(adapter); 4091 4092 /* 4093 * Check on any SFP devices that 4094 * need to be kick-started 4095 */ 4096 if (hw->phy.type == ixgbe_phy_none) { 4097 err = hw->phy.ops.identify(hw); 4098 if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) { 4099 device_printf(dev, 4100 "Unsupported SFP+ module type was detected.\n"); 4101 return; 4102 } 4103 } 4104 4105 /* Set moderation on the Link interrupt */ 4106 ixgbe_eitr_write(adapter, adapter->vector, IXGBE_LINK_ITR); 4107 4108 /* Enable EEE power saving */ 4109 if (adapter->feat_cap & IXGBE_FEATURE_EEE) 4110 hw->mac.ops.setup_eee(hw, 4111 adapter->feat_en & IXGBE_FEATURE_EEE); 4112 4113 /* Enable power to the phy. */ 4114 ixgbe_set_phy_power(hw, TRUE); 4115 4116 /* Config/Enable Link */ 4117 ixgbe_config_link(adapter); 4118 4119 /* Hardware Packet Buffer & Flow Control setup */ 4120 ixgbe_config_delay_values(adapter); 4121 4122 /* Initialize the FC settings */ 4123 ixgbe_start_hw(hw); 4124 4125 /* Set up VLAN support and filter */ 4126 ixgbe_setup_vlan_hw_support(adapter); 4127 4128 /* Setup DMA Coalescing */ 4129 ixgbe_config_dmac(adapter); 4130 4131 /* And now turn on interrupts */ 4132 ixgbe_enable_intr(adapter); 4133 4134 /* Enable the use of the MBX by the VF's */ 4135 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) { 4136 ctrl_ext = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT); 4137 ctrl_ext |= IXGBE_CTRL_EXT_PFRSTD; 4138 IXGBE_WRITE_REG(hw, IXGBE_CTRL_EXT, ctrl_ext); 4139 } 4140 4141 /* Update saved flags. See ixgbe_ifflags_cb() */ 4142 adapter->if_flags = ifp->if_flags; 4143 adapter->ec_capenable = adapter->osdep.ec.ec_capenable; 4144 4145 /* Now inform the stack we're ready */ 4146 ifp->if_flags |= IFF_RUNNING; 4147 4148 return; 4149 } /* ixgbe_init_locked */ 4150 4151 /************************************************************************ 4152 * ixgbe_init 4153 ************************************************************************/ 4154 static int 4155 ixgbe_init(struct ifnet *ifp) 4156 { 4157 struct adapter *adapter = ifp->if_softc; 4158 4159 IXGBE_CORE_LOCK(adapter); 4160 ixgbe_init_locked(adapter); 4161 IXGBE_CORE_UNLOCK(adapter); 4162 4163 return 0; /* XXX ixgbe_init_locked cannot fail? really? */ 4164 } /* ixgbe_init */ 4165 4166 /************************************************************************ 4167 * ixgbe_set_ivar 4168 * 4169 * Setup the correct IVAR register for a particular MSI-X interrupt 4170 * (yes this is all very magic and confusing :) 4171 * - entry is the register array entry 4172 * - vector is the MSI-X vector for this queue 4173 * - type is RX/TX/MISC 4174 ************************************************************************/ 4175 static void 4176 ixgbe_set_ivar(struct adapter *adapter, u8 entry, u8 vector, s8 type) 4177 { 4178 struct ixgbe_hw *hw = &adapter->hw; 4179 u32 ivar, index; 4180 4181 vector |= IXGBE_IVAR_ALLOC_VAL; 4182 4183 switch (hw->mac.type) { 4184 case ixgbe_mac_82598EB: 4185 if (type == -1) 4186 entry = IXGBE_IVAR_OTHER_CAUSES_INDEX; 4187 else 4188 entry += (type * 64); 4189 index = (entry >> 2) & 0x1F; 4190 ivar = IXGBE_READ_REG(hw, IXGBE_IVAR(index)); 4191 ivar &= ~(0xFF << (8 * (entry & 0x3))); 4192 ivar |= (vector << (8 * (entry & 0x3))); 4193 IXGBE_WRITE_REG(&adapter->hw, IXGBE_IVAR(index), ivar); 4194 break; 4195 case ixgbe_mac_82599EB: 4196 case ixgbe_mac_X540: 4197 case ixgbe_mac_X550: 4198 case ixgbe_mac_X550EM_x: 4199 case ixgbe_mac_X550EM_a: 4200 if (type == -1) { /* MISC IVAR */ 4201 index = (entry & 1) * 8; 4202 ivar = IXGBE_READ_REG(hw, IXGBE_IVAR_MISC); 4203 ivar &= ~(0xffUL << index); 4204 ivar |= ((u32)vector << index); 4205 IXGBE_WRITE_REG(hw, IXGBE_IVAR_MISC, ivar); 4206 } else { /* RX/TX IVARS */ 4207 index = (16 * (entry & 1)) + (8 * type); 4208 ivar = IXGBE_READ_REG(hw, IXGBE_IVAR(entry >> 1)); 4209 ivar &= ~(0xffUL << index); 4210 ivar |= ((u32)vector << index); 4211 IXGBE_WRITE_REG(hw, IXGBE_IVAR(entry >> 1), ivar); 4212 } 4213 break; 4214 default: 4215 break; 4216 } 4217 } /* ixgbe_set_ivar */ 4218 4219 /************************************************************************ 4220 * ixgbe_configure_ivars 4221 ************************************************************************/ 4222 static void 4223 ixgbe_configure_ivars(struct adapter *adapter) 4224 { 4225 struct ix_queue *que = adapter->queues; 4226 u32 newitr; 4227 4228 if (ixgbe_max_interrupt_rate > 0) 4229 newitr = (4000000 / ixgbe_max_interrupt_rate) & 0x0FF8; 4230 else { 4231 /* 4232 * Disable DMA coalescing if interrupt moderation is 4233 * disabled. 4234 */ 4235 adapter->dmac = 0; 4236 newitr = 0; 4237 } 4238 4239 for (int i = 0; i < adapter->num_queues; i++, que++) { 4240 struct rx_ring *rxr = &adapter->rx_rings[i]; 4241 struct tx_ring *txr = &adapter->tx_rings[i]; 4242 /* First the RX queue entry */ 4243 ixgbe_set_ivar(adapter, rxr->me, que->msix, 0); 4244 /* ... and the TX */ 4245 ixgbe_set_ivar(adapter, txr->me, que->msix, 1); 4246 /* Set an Initial EITR value */ 4247 ixgbe_eitr_write(adapter, que->msix, newitr); 4248 /* 4249 * To eliminate influence of the previous state. 4250 * At this point, Tx/Rx interrupt handler 4251 * (ixgbe_msix_que()) cannot be called, so both 4252 * IXGBE_TX_LOCK and IXGBE_RX_LOCK are not required. 4253 */ 4254 que->eitr_setting = 0; 4255 } 4256 4257 /* For the Link interrupt */ 4258 ixgbe_set_ivar(adapter, 1, adapter->vector, -1); 4259 } /* ixgbe_configure_ivars */ 4260 4261 /************************************************************************ 4262 * ixgbe_config_gpie 4263 ************************************************************************/ 4264 static void 4265 ixgbe_config_gpie(struct adapter *adapter) 4266 { 4267 struct ixgbe_hw *hw = &adapter->hw; 4268 u32 gpie; 4269 4270 gpie = IXGBE_READ_REG(hw, IXGBE_GPIE); 4271 4272 if (adapter->feat_en & IXGBE_FEATURE_MSIX) { 4273 /* Enable Enhanced MSI-X mode */ 4274 gpie |= IXGBE_GPIE_MSIX_MODE 4275 | IXGBE_GPIE_EIAME 4276 | IXGBE_GPIE_PBA_SUPPORT 4277 | IXGBE_GPIE_OCD; 4278 } 4279 4280 /* Fan Failure Interrupt */ 4281 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) 4282 gpie |= IXGBE_SDP1_GPIEN; 4283 4284 /* Thermal Sensor Interrupt */ 4285 if (adapter->feat_en & IXGBE_FEATURE_TEMP_SENSOR) 4286 gpie |= IXGBE_SDP0_GPIEN_X540; 4287 4288 /* Link detection */ 4289 switch (hw->mac.type) { 4290 case ixgbe_mac_82599EB: 4291 gpie |= IXGBE_SDP1_GPIEN | IXGBE_SDP2_GPIEN; 4292 break; 4293 case ixgbe_mac_X550EM_x: 4294 case ixgbe_mac_X550EM_a: 4295 gpie |= IXGBE_SDP0_GPIEN_X540; 4296 break; 4297 default: 4298 break; 4299 } 4300 4301 IXGBE_WRITE_REG(hw, IXGBE_GPIE, gpie); 4302 4303 } /* ixgbe_config_gpie */ 4304 4305 /************************************************************************ 4306 * ixgbe_config_delay_values 4307 * 4308 * Requires adapter->max_frame_size to be set. 4309 ************************************************************************/ 4310 static void 4311 ixgbe_config_delay_values(struct adapter *adapter) 4312 { 4313 struct ixgbe_hw *hw = &adapter->hw; 4314 u32 rxpb, frame, size, tmp; 4315 4316 frame = adapter->max_frame_size; 4317 4318 /* Calculate High Water */ 4319 switch (hw->mac.type) { 4320 case ixgbe_mac_X540: 4321 case ixgbe_mac_X550: 4322 case ixgbe_mac_X550EM_x: 4323 case ixgbe_mac_X550EM_a: 4324 tmp = IXGBE_DV_X540(frame, frame); 4325 break; 4326 default: 4327 tmp = IXGBE_DV(frame, frame); 4328 break; 4329 } 4330 size = IXGBE_BT2KB(tmp); 4331 rxpb = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(0)) >> 10; 4332 hw->fc.high_water[0] = rxpb - size; 4333 4334 /* Now calculate Low Water */ 4335 switch (hw->mac.type) { 4336 case ixgbe_mac_X540: 4337 case ixgbe_mac_X550: 4338 case ixgbe_mac_X550EM_x: 4339 case ixgbe_mac_X550EM_a: 4340 tmp = IXGBE_LOW_DV_X540(frame); 4341 break; 4342 default: 4343 tmp = IXGBE_LOW_DV(frame); 4344 break; 4345 } 4346 hw->fc.low_water[0] = IXGBE_BT2KB(tmp); 4347 4348 hw->fc.pause_time = IXGBE_FC_PAUSE; 4349 hw->fc.send_xon = TRUE; 4350 } /* ixgbe_config_delay_values */ 4351 4352 /************************************************************************ 4353 * ixgbe_set_multi - Multicast Update 4354 * 4355 * Called whenever multicast address list is updated. 4356 ************************************************************************/ 4357 static void 4358 ixgbe_set_multi(struct adapter *adapter) 4359 { 4360 struct ixgbe_mc_addr *mta; 4361 struct ifnet *ifp = adapter->ifp; 4362 u8 *update_ptr; 4363 int mcnt = 0; 4364 u32 fctrl; 4365 struct ethercom *ec = &adapter->osdep.ec; 4366 struct ether_multi *enm; 4367 struct ether_multistep step; 4368 4369 KASSERT(mutex_owned(&adapter->core_mtx)); 4370 IOCTL_DEBUGOUT("ixgbe_set_multi: begin"); 4371 4372 mta = adapter->mta; 4373 bzero(mta, sizeof(*mta) * MAX_NUM_MULTICAST_ADDRESSES); 4374 4375 ETHER_LOCK(ec); 4376 ec->ec_flags &= ~ETHER_F_ALLMULTI; 4377 ETHER_FIRST_MULTI(step, ec, enm); 4378 while (enm != NULL) { 4379 if ((mcnt == MAX_NUM_MULTICAST_ADDRESSES) || 4380 (memcmp(enm->enm_addrlo, enm->enm_addrhi, 4381 ETHER_ADDR_LEN) != 0)) { 4382 ec->ec_flags |= ETHER_F_ALLMULTI; 4383 break; 4384 } 4385 bcopy(enm->enm_addrlo, 4386 mta[mcnt].addr, IXGBE_ETH_LENGTH_OF_ADDRESS); 4387 mta[mcnt].vmdq = adapter->pool; 4388 mcnt++; 4389 ETHER_NEXT_MULTI(step, enm); 4390 } 4391 4392 fctrl = IXGBE_READ_REG(&adapter->hw, IXGBE_FCTRL); 4393 fctrl &= ~(IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE); 4394 if (ifp->if_flags & IFF_PROMISC) 4395 fctrl |= (IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE); 4396 else if (ec->ec_flags & ETHER_F_ALLMULTI) { 4397 fctrl |= IXGBE_FCTRL_MPE; 4398 } 4399 ETHER_UNLOCK(ec); 4400 4401 IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCTRL, fctrl); 4402 4403 if (mcnt < MAX_NUM_MULTICAST_ADDRESSES) { 4404 update_ptr = (u8 *)mta; 4405 ixgbe_update_mc_addr_list(&adapter->hw, update_ptr, mcnt, 4406 ixgbe_mc_array_itr, TRUE); 4407 } 4408 4409 } /* ixgbe_set_multi */ 4410 4411 /************************************************************************ 4412 * ixgbe_mc_array_itr 4413 * 4414 * An iterator function needed by the multicast shared code. 4415 * It feeds the shared code routine the addresses in the 4416 * array of ixgbe_set_multi() one by one. 4417 ************************************************************************/ 4418 static u8 * 4419 ixgbe_mc_array_itr(struct ixgbe_hw *hw, u8 **update_ptr, u32 *vmdq) 4420 { 4421 struct ixgbe_mc_addr *mta; 4422 4423 mta = (struct ixgbe_mc_addr *)*update_ptr; 4424 *vmdq = mta->vmdq; 4425 4426 *update_ptr = (u8*)(mta + 1); 4427 4428 return (mta->addr); 4429 } /* ixgbe_mc_array_itr */ 4430 4431 /************************************************************************ 4432 * ixgbe_local_timer - Timer routine 4433 * 4434 * Checks for link status, updates statistics, 4435 * and runs the watchdog check. 4436 ************************************************************************/ 4437 static void 4438 ixgbe_local_timer(void *arg) 4439 { 4440 struct adapter *adapter = arg; 4441 4442 IXGBE_CORE_LOCK(adapter); 4443 ixgbe_local_timer1(adapter); 4444 IXGBE_CORE_UNLOCK(adapter); 4445 } 4446 4447 static void 4448 ixgbe_local_timer1(void *arg) 4449 { 4450 struct adapter *adapter = arg; 4451 device_t dev = adapter->dev; 4452 struct ix_queue *que = adapter->queues; 4453 u64 queues = 0; 4454 u64 v0, v1, v2, v3, v4, v5, v6, v7; 4455 int hung = 0; 4456 int i; 4457 4458 KASSERT(mutex_owned(&adapter->core_mtx)); 4459 4460 /* Check for pluggable optics */ 4461 if (adapter->sfp_probe) 4462 if (!ixgbe_sfp_probe(adapter)) 4463 goto out; /* Nothing to do */ 4464 4465 ixgbe_update_link_status(adapter); 4466 ixgbe_update_stats_counters(adapter); 4467 4468 /* Update some event counters */ 4469 v0 = v1 = v2 = v3 = v4 = v5 = v6 = v7 = 0; 4470 que = adapter->queues; 4471 for (i = 0; i < adapter->num_queues; i++, que++) { 4472 struct tx_ring *txr = que->txr; 4473 4474 v0 += txr->q_efbig_tx_dma_setup; 4475 v1 += txr->q_mbuf_defrag_failed; 4476 v2 += txr->q_efbig2_tx_dma_setup; 4477 v3 += txr->q_einval_tx_dma_setup; 4478 v4 += txr->q_other_tx_dma_setup; 4479 v5 += txr->q_eagain_tx_dma_setup; 4480 v6 += txr->q_enomem_tx_dma_setup; 4481 v7 += txr->q_tso_err; 4482 } 4483 adapter->efbig_tx_dma_setup.ev_count = v0; 4484 adapter->mbuf_defrag_failed.ev_count = v1; 4485 adapter->efbig2_tx_dma_setup.ev_count = v2; 4486 adapter->einval_tx_dma_setup.ev_count = v3; 4487 adapter->other_tx_dma_setup.ev_count = v4; 4488 adapter->eagain_tx_dma_setup.ev_count = v5; 4489 adapter->enomem_tx_dma_setup.ev_count = v6; 4490 adapter->tso_err.ev_count = v7; 4491 4492 /* 4493 * Check the TX queues status 4494 * - mark hung queues so we don't schedule on them 4495 * - watchdog only if all queues show hung 4496 */ 4497 que = adapter->queues; 4498 for (i = 0; i < adapter->num_queues; i++, que++) { 4499 /* Keep track of queues with work for soft irq */ 4500 if (que->txr->busy) 4501 queues |= 1ULL << que->me; 4502 /* 4503 * Each time txeof runs without cleaning, but there 4504 * are uncleaned descriptors it increments busy. If 4505 * we get to the MAX we declare it hung. 4506 */ 4507 if (que->busy == IXGBE_QUEUE_HUNG) { 4508 ++hung; 4509 /* Mark the queue as inactive */ 4510 adapter->active_queues &= ~(1ULL << que->me); 4511 continue; 4512 } else { 4513 /* Check if we've come back from hung */ 4514 if ((adapter->active_queues & (1ULL << que->me)) == 0) 4515 adapter->active_queues |= 1ULL << que->me; 4516 } 4517 if (que->busy >= IXGBE_MAX_TX_BUSY) { 4518 device_printf(dev, 4519 "Warning queue %d appears to be hung!\n", i); 4520 que->txr->busy = IXGBE_QUEUE_HUNG; 4521 ++hung; 4522 } 4523 } 4524 4525 /* Only truely watchdog if all queues show hung */ 4526 if (hung == adapter->num_queues) 4527 goto watchdog; 4528 #if 0 /* XXX Avoid unexpectedly disabling interrupt forever (PR#53294) */ 4529 else if (queues != 0) { /* Force an IRQ on queues with work */ 4530 que = adapter->queues; 4531 for (i = 0; i < adapter->num_queues; i++, que++) { 4532 mutex_enter(&que->dc_mtx); 4533 if (que->disabled_count == 0) 4534 ixgbe_rearm_queues(adapter, 4535 queues & ((u64)1 << i)); 4536 mutex_exit(&que->dc_mtx); 4537 } 4538 } 4539 #endif 4540 4541 out: 4542 callout_reset(&adapter->timer, hz, ixgbe_local_timer, adapter); 4543 return; 4544 4545 watchdog: 4546 device_printf(adapter->dev, "Watchdog timeout -- resetting\n"); 4547 adapter->ifp->if_flags &= ~IFF_RUNNING; 4548 adapter->watchdog_events.ev_count++; 4549 ixgbe_init_locked(adapter); 4550 } /* ixgbe_local_timer */ 4551 4552 /************************************************************************ 4553 * ixgbe_recovery_mode_timer - Recovery mode timer routine 4554 ************************************************************************/ 4555 static void 4556 ixgbe_recovery_mode_timer(void *arg) 4557 { 4558 struct adapter *adapter = arg; 4559 struct ixgbe_hw *hw = &adapter->hw; 4560 4561 IXGBE_CORE_LOCK(adapter); 4562 if (ixgbe_fw_recovery_mode(hw)) { 4563 if (atomic_cas_uint(&adapter->recovery_mode, 0, 1)) { 4564 /* Firmware error detected, entering recovery mode */ 4565 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"); 4566 4567 if (hw->adapter_stopped == FALSE) 4568 ixgbe_stop(adapter); 4569 } 4570 } else 4571 atomic_cas_uint(&adapter->recovery_mode, 1, 0); 4572 4573 callout_reset(&adapter->recovery_mode_timer, hz, 4574 ixgbe_recovery_mode_timer, adapter); 4575 IXGBE_CORE_UNLOCK(adapter); 4576 } /* ixgbe_recovery_mode_timer */ 4577 4578 /************************************************************************ 4579 * ixgbe_sfp_probe 4580 * 4581 * Determine if a port had optics inserted. 4582 ************************************************************************/ 4583 static bool 4584 ixgbe_sfp_probe(struct adapter *adapter) 4585 { 4586 struct ixgbe_hw *hw = &adapter->hw; 4587 device_t dev = adapter->dev; 4588 bool result = FALSE; 4589 4590 if ((hw->phy.type == ixgbe_phy_nl) && 4591 (hw->phy.sfp_type == ixgbe_sfp_type_not_present)) { 4592 s32 ret = hw->phy.ops.identify_sfp(hw); 4593 if (ret) 4594 goto out; 4595 ret = hw->phy.ops.reset(hw); 4596 adapter->sfp_probe = FALSE; 4597 if (ret == IXGBE_ERR_SFP_NOT_SUPPORTED) { 4598 device_printf(dev,"Unsupported SFP+ module detected!"); 4599 device_printf(dev, 4600 "Reload driver with supported module.\n"); 4601 goto out; 4602 } else 4603 device_printf(dev, "SFP+ module detected!\n"); 4604 /* We now have supported optics */ 4605 result = TRUE; 4606 } 4607 out: 4608 4609 return (result); 4610 } /* ixgbe_sfp_probe */ 4611 4612 /************************************************************************ 4613 * ixgbe_handle_mod - Tasklet for SFP module interrupts 4614 ************************************************************************/ 4615 static void 4616 ixgbe_handle_mod(void *context) 4617 { 4618 struct adapter *adapter = context; 4619 struct ixgbe_hw *hw = &adapter->hw; 4620 device_t dev = adapter->dev; 4621 u32 err, cage_full = 0; 4622 4623 ++adapter->mod_sicount.ev_count; 4624 if (adapter->hw.need_crosstalk_fix) { 4625 switch (hw->mac.type) { 4626 case ixgbe_mac_82599EB: 4627 cage_full = IXGBE_READ_REG(hw, IXGBE_ESDP) & 4628 IXGBE_ESDP_SDP2; 4629 break; 4630 case ixgbe_mac_X550EM_x: 4631 case ixgbe_mac_X550EM_a: 4632 cage_full = IXGBE_READ_REG(hw, IXGBE_ESDP) & 4633 IXGBE_ESDP_SDP0; 4634 break; 4635 default: 4636 break; 4637 } 4638 4639 if (!cage_full) 4640 return; 4641 } 4642 4643 err = hw->phy.ops.identify_sfp(hw); 4644 if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) { 4645 device_printf(dev, 4646 "Unsupported SFP+ module type was detected.\n"); 4647 return; 4648 } 4649 4650 if (hw->mac.type == ixgbe_mac_82598EB) 4651 err = hw->phy.ops.reset(hw); 4652 else 4653 err = hw->mac.ops.setup_sfp(hw); 4654 4655 if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) { 4656 device_printf(dev, 4657 "Setup failure - unsupported SFP+ module type.\n"); 4658 return; 4659 } 4660 softint_schedule(adapter->msf_si); 4661 } /* ixgbe_handle_mod */ 4662 4663 4664 /************************************************************************ 4665 * ixgbe_handle_msf - Tasklet for MSF (multispeed fiber) interrupts 4666 ************************************************************************/ 4667 static void 4668 ixgbe_handle_msf(void *context) 4669 { 4670 struct adapter *adapter = context; 4671 struct ixgbe_hw *hw = &adapter->hw; 4672 u32 autoneg; 4673 bool negotiate; 4674 4675 IXGBE_CORE_LOCK(adapter); 4676 ++adapter->msf_sicount.ev_count; 4677 /* get_supported_phy_layer will call hw->phy.ops.identify_sfp() */ 4678 adapter->phy_layer = ixgbe_get_supported_physical_layer(hw); 4679 4680 autoneg = hw->phy.autoneg_advertised; 4681 if ((!autoneg) && (hw->mac.ops.get_link_capabilities)) 4682 hw->mac.ops.get_link_capabilities(hw, &autoneg, &negotiate); 4683 else 4684 negotiate = 0; 4685 if (hw->mac.ops.setup_link) 4686 hw->mac.ops.setup_link(hw, autoneg, TRUE); 4687 4688 /* Adjust media types shown in ifconfig */ 4689 ifmedia_removeall(&adapter->media); 4690 ixgbe_add_media_types(adapter); 4691 ifmedia_set(&adapter->media, IFM_ETHER | IFM_AUTO); 4692 IXGBE_CORE_UNLOCK(adapter); 4693 } /* ixgbe_handle_msf */ 4694 4695 /************************************************************************ 4696 * ixgbe_handle_phy - Tasklet for external PHY interrupts 4697 ************************************************************************/ 4698 static void 4699 ixgbe_handle_phy(void *context) 4700 { 4701 struct adapter *adapter = context; 4702 struct ixgbe_hw *hw = &adapter->hw; 4703 int error; 4704 4705 ++adapter->phy_sicount.ev_count; 4706 error = hw->phy.ops.handle_lasi(hw); 4707 if (error == IXGBE_ERR_OVERTEMP) 4708 device_printf(adapter->dev, 4709 "CRITICAL: EXTERNAL PHY OVER TEMP!! " 4710 " PHY will downshift to lower power state!\n"); 4711 else if (error) 4712 device_printf(adapter->dev, 4713 "Error handling LASI interrupt: %d\n", error); 4714 } /* ixgbe_handle_phy */ 4715 4716 static void 4717 ixgbe_ifstop(struct ifnet *ifp, int disable) 4718 { 4719 struct adapter *adapter = ifp->if_softc; 4720 4721 IXGBE_CORE_LOCK(adapter); 4722 ixgbe_stop(adapter); 4723 IXGBE_CORE_UNLOCK(adapter); 4724 } 4725 4726 /************************************************************************ 4727 * ixgbe_stop - Stop the hardware 4728 * 4729 * Disables all traffic on the adapter by issuing a 4730 * global reset on the MAC and deallocates TX/RX buffers. 4731 ************************************************************************/ 4732 static void 4733 ixgbe_stop(void *arg) 4734 { 4735 struct ifnet *ifp; 4736 struct adapter *adapter = arg; 4737 struct ixgbe_hw *hw = &adapter->hw; 4738 4739 ifp = adapter->ifp; 4740 4741 KASSERT(mutex_owned(&adapter->core_mtx)); 4742 4743 INIT_DEBUGOUT("ixgbe_stop: begin\n"); 4744 ixgbe_disable_intr(adapter); 4745 callout_stop(&adapter->timer); 4746 4747 /* Let the stack know...*/ 4748 ifp->if_flags &= ~IFF_RUNNING; 4749 4750 ixgbe_reset_hw(hw); 4751 hw->adapter_stopped = FALSE; 4752 ixgbe_stop_adapter(hw); 4753 if (hw->mac.type == ixgbe_mac_82599EB) 4754 ixgbe_stop_mac_link_on_d3_82599(hw); 4755 /* Turn off the laser - noop with no optics */ 4756 ixgbe_disable_tx_laser(hw); 4757 4758 /* Update the stack */ 4759 adapter->link_up = FALSE; 4760 ixgbe_update_link_status(adapter); 4761 4762 /* reprogram the RAR[0] in case user changed it. */ 4763 ixgbe_set_rar(&adapter->hw, 0, adapter->hw.mac.addr, 0, IXGBE_RAH_AV); 4764 4765 return; 4766 } /* ixgbe_stop */ 4767 4768 /************************************************************************ 4769 * ixgbe_update_link_status - Update OS on link state 4770 * 4771 * Note: Only updates the OS on the cached link state. 4772 * The real check of the hardware only happens with 4773 * a link interrupt. 4774 ************************************************************************/ 4775 static void 4776 ixgbe_update_link_status(struct adapter *adapter) 4777 { 4778 struct ifnet *ifp = adapter->ifp; 4779 device_t dev = adapter->dev; 4780 struct ixgbe_hw *hw = &adapter->hw; 4781 4782 KASSERT(mutex_owned(&adapter->core_mtx)); 4783 4784 if (adapter->link_up) { 4785 if (adapter->link_active != LINK_STATE_UP) { 4786 /* 4787 * To eliminate influence of the previous state 4788 * in the same way as ixgbe_init_locked(). 4789 */ 4790 struct ix_queue *que = adapter->queues; 4791 for (int i = 0; i < adapter->num_queues; i++, que++) 4792 que->eitr_setting = 0; 4793 4794 if (adapter->link_speed == IXGBE_LINK_SPEED_10GB_FULL){ 4795 /* 4796 * Discard count for both MAC Local Fault and 4797 * Remote Fault because those registers are 4798 * valid only when the link speed is up and 4799 * 10Gbps. 4800 */ 4801 IXGBE_READ_REG(hw, IXGBE_MLFC); 4802 IXGBE_READ_REG(hw, IXGBE_MRFC); 4803 } 4804 4805 if (bootverbose) { 4806 const char *bpsmsg; 4807 4808 switch (adapter->link_speed) { 4809 case IXGBE_LINK_SPEED_10GB_FULL: 4810 bpsmsg = "10 Gbps"; 4811 break; 4812 case IXGBE_LINK_SPEED_5GB_FULL: 4813 bpsmsg = "5 Gbps"; 4814 break; 4815 case IXGBE_LINK_SPEED_2_5GB_FULL: 4816 bpsmsg = "2.5 Gbps"; 4817 break; 4818 case IXGBE_LINK_SPEED_1GB_FULL: 4819 bpsmsg = "1 Gbps"; 4820 break; 4821 case IXGBE_LINK_SPEED_100_FULL: 4822 bpsmsg = "100 Mbps"; 4823 break; 4824 case IXGBE_LINK_SPEED_10_FULL: 4825 bpsmsg = "10 Mbps"; 4826 break; 4827 default: 4828 bpsmsg = "unknown speed"; 4829 break; 4830 } 4831 device_printf(dev, "Link is up %s %s \n", 4832 bpsmsg, "Full Duplex"); 4833 } 4834 adapter->link_active = LINK_STATE_UP; 4835 /* Update any Flow Control changes */ 4836 ixgbe_fc_enable(&adapter->hw); 4837 /* Update DMA coalescing config */ 4838 ixgbe_config_dmac(adapter); 4839 if_link_state_change(ifp, LINK_STATE_UP); 4840 4841 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) 4842 ixgbe_ping_all_vfs(adapter); 4843 } 4844 } else { 4845 /* 4846 * Do it when link active changes to DOWN. i.e. 4847 * a) LINK_STATE_UNKNOWN -> LINK_STATE_DOWN 4848 * b) LINK_STATE_UP -> LINK_STATE_DOWN 4849 */ 4850 if (adapter->link_active != LINK_STATE_DOWN) { 4851 if (bootverbose) 4852 device_printf(dev, "Link is Down\n"); 4853 if_link_state_change(ifp, LINK_STATE_DOWN); 4854 adapter->link_active = LINK_STATE_DOWN; 4855 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) 4856 ixgbe_ping_all_vfs(adapter); 4857 ixgbe_drain_all(adapter); 4858 } 4859 } 4860 } /* ixgbe_update_link_status */ 4861 4862 /************************************************************************ 4863 * ixgbe_config_dmac - Configure DMA Coalescing 4864 ************************************************************************/ 4865 static void 4866 ixgbe_config_dmac(struct adapter *adapter) 4867 { 4868 struct ixgbe_hw *hw = &adapter->hw; 4869 struct ixgbe_dmac_config *dcfg = &hw->mac.dmac_config; 4870 4871 if (hw->mac.type < ixgbe_mac_X550 || !hw->mac.ops.dmac_config) 4872 return; 4873 4874 if (dcfg->watchdog_timer ^ adapter->dmac || 4875 dcfg->link_speed ^ adapter->link_speed) { 4876 dcfg->watchdog_timer = adapter->dmac; 4877 dcfg->fcoe_en = false; 4878 dcfg->link_speed = adapter->link_speed; 4879 dcfg->num_tcs = 1; 4880 4881 INIT_DEBUGOUT2("dmac settings: watchdog %d, link speed %d\n", 4882 dcfg->watchdog_timer, dcfg->link_speed); 4883 4884 hw->mac.ops.dmac_config(hw); 4885 } 4886 } /* ixgbe_config_dmac */ 4887 4888 /************************************************************************ 4889 * ixgbe_enable_intr 4890 ************************************************************************/ 4891 static void 4892 ixgbe_enable_intr(struct adapter *adapter) 4893 { 4894 struct ixgbe_hw *hw = &adapter->hw; 4895 struct ix_queue *que = adapter->queues; 4896 u32 mask, fwsm; 4897 4898 mask = (IXGBE_EIMS_ENABLE_MASK & ~IXGBE_EIMS_RTX_QUEUE); 4899 4900 switch (adapter->hw.mac.type) { 4901 case ixgbe_mac_82599EB: 4902 mask |= IXGBE_EIMS_ECC; 4903 /* Temperature sensor on some adapters */ 4904 mask |= IXGBE_EIMS_GPI_SDP0; 4905 /* SFP+ (RX_LOS_N & MOD_ABS_N) */ 4906 mask |= IXGBE_EIMS_GPI_SDP1; 4907 mask |= IXGBE_EIMS_GPI_SDP2; 4908 break; 4909 case ixgbe_mac_X540: 4910 /* Detect if Thermal Sensor is enabled */ 4911 fwsm = IXGBE_READ_REG(hw, IXGBE_FWSM); 4912 if (fwsm & IXGBE_FWSM_TS_ENABLED) 4913 mask |= IXGBE_EIMS_TS; 4914 mask |= IXGBE_EIMS_ECC; 4915 break; 4916 case ixgbe_mac_X550: 4917 /* MAC thermal sensor is automatically enabled */ 4918 mask |= IXGBE_EIMS_TS; 4919 mask |= IXGBE_EIMS_ECC; 4920 break; 4921 case ixgbe_mac_X550EM_x: 4922 case ixgbe_mac_X550EM_a: 4923 /* Some devices use SDP0 for important information */ 4924 if (hw->device_id == IXGBE_DEV_ID_X550EM_X_SFP || 4925 hw->device_id == IXGBE_DEV_ID_X550EM_A_SFP || 4926 hw->device_id == IXGBE_DEV_ID_X550EM_A_SFP_N || 4927 hw->device_id == IXGBE_DEV_ID_X550EM_X_10G_T) 4928 mask |= IXGBE_EIMS_GPI_SDP0_BY_MAC(hw); 4929 if (hw->phy.type == ixgbe_phy_x550em_ext_t) 4930 mask |= IXGBE_EICR_GPI_SDP0_X540; 4931 mask |= IXGBE_EIMS_ECC; 4932 break; 4933 default: 4934 break; 4935 } 4936 4937 /* Enable Fan Failure detection */ 4938 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) 4939 mask |= IXGBE_EIMS_GPI_SDP1; 4940 /* Enable SR-IOV */ 4941 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) 4942 mask |= IXGBE_EIMS_MAILBOX; 4943 /* Enable Flow Director */ 4944 if (adapter->feat_en & IXGBE_FEATURE_FDIR) 4945 mask |= IXGBE_EIMS_FLOW_DIR; 4946 4947 IXGBE_WRITE_REG(hw, IXGBE_EIMS, mask); 4948 4949 /* With MSI-X we use auto clear */ 4950 if (adapter->msix_mem) { 4951 mask = IXGBE_EIMS_ENABLE_MASK; 4952 /* Don't autoclear Link */ 4953 mask &= ~IXGBE_EIMS_OTHER; 4954 mask &= ~IXGBE_EIMS_LSC; 4955 if (adapter->feat_cap & IXGBE_FEATURE_SRIOV) 4956 mask &= ~IXGBE_EIMS_MAILBOX; 4957 IXGBE_WRITE_REG(hw, IXGBE_EIAC, mask); 4958 } 4959 4960 /* 4961 * Now enable all queues, this is done separately to 4962 * allow for handling the extended (beyond 32) MSI-X 4963 * vectors that can be used by 82599 4964 */ 4965 for (int i = 0; i < adapter->num_queues; i++, que++) 4966 ixgbe_enable_queue(adapter, que->msix); 4967 4968 IXGBE_WRITE_FLUSH(hw); 4969 4970 } /* ixgbe_enable_intr */ 4971 4972 /************************************************************************ 4973 * ixgbe_disable_intr_internal 4974 ************************************************************************/ 4975 static void 4976 ixgbe_disable_intr_internal(struct adapter *adapter, bool nestok) 4977 { 4978 struct ix_queue *que = adapter->queues; 4979 4980 /* disable interrupts other than queues */ 4981 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, ~IXGBE_EIMC_RTX_QUEUE); 4982 4983 if (adapter->msix_mem) 4984 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIAC, 0); 4985 4986 for (int i = 0; i < adapter->num_queues; i++, que++) 4987 ixgbe_disable_queue_internal(adapter, que->msix, nestok); 4988 4989 IXGBE_WRITE_FLUSH(&adapter->hw); 4990 4991 } /* ixgbe_do_disable_intr_internal */ 4992 4993 /************************************************************************ 4994 * ixgbe_disable_intr 4995 ************************************************************************/ 4996 static void 4997 ixgbe_disable_intr(struct adapter *adapter) 4998 { 4999 5000 ixgbe_disable_intr_internal(adapter, true); 5001 } /* ixgbe_disable_intr */ 5002 5003 /************************************************************************ 5004 * ixgbe_ensure_disabled_intr 5005 ************************************************************************/ 5006 void 5007 ixgbe_ensure_disabled_intr(struct adapter *adapter) 5008 { 5009 5010 ixgbe_disable_intr_internal(adapter, false); 5011 } /* ixgbe_ensure_disabled_intr */ 5012 5013 /************************************************************************ 5014 * ixgbe_legacy_irq - Legacy Interrupt Service routine 5015 ************************************************************************/ 5016 static int 5017 ixgbe_legacy_irq(void *arg) 5018 { 5019 struct ix_queue *que = arg; 5020 struct adapter *adapter = que->adapter; 5021 struct ixgbe_hw *hw = &adapter->hw; 5022 struct ifnet *ifp = adapter->ifp; 5023 struct tx_ring *txr = adapter->tx_rings; 5024 bool more = false; 5025 u32 eicr, eicr_mask; 5026 5027 /* Silicon errata #26 on 82598 */ 5028 IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_IRQ_CLEAR_MASK); 5029 5030 eicr = IXGBE_READ_REG(hw, IXGBE_EICR); 5031 5032 adapter->stats.pf.legint.ev_count++; 5033 ++que->irqs.ev_count; 5034 if (eicr == 0) { 5035 adapter->stats.pf.intzero.ev_count++; 5036 if ((ifp->if_flags & IFF_UP) != 0) 5037 ixgbe_enable_intr(adapter); 5038 return 0; 5039 } 5040 5041 if ((ifp->if_flags & IFF_RUNNING) != 0) { 5042 /* 5043 * The same as ixgbe_msix_que() about "que->txrx_use_workqueue". 5044 */ 5045 que->txrx_use_workqueue = adapter->txrx_use_workqueue; 5046 5047 #ifdef __NetBSD__ 5048 /* Don't run ixgbe_rxeof in interrupt context */ 5049 more = true; 5050 #else 5051 more = ixgbe_rxeof(que); 5052 #endif 5053 5054 IXGBE_TX_LOCK(txr); 5055 ixgbe_txeof(txr); 5056 #ifdef notyet 5057 if (!ixgbe_ring_empty(ifp, txr->br)) 5058 ixgbe_start_locked(ifp, txr); 5059 #endif 5060 IXGBE_TX_UNLOCK(txr); 5061 } 5062 5063 /* Check for fan failure */ 5064 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) { 5065 ixgbe_check_fan_failure(adapter, eicr, true); 5066 IXGBE_WRITE_REG(hw, IXGBE_EIMS, IXGBE_EICR_GPI_SDP1_BY_MAC(hw)); 5067 } 5068 5069 /* Link status change */ 5070 if (eicr & IXGBE_EICR_LSC) 5071 softint_schedule(adapter->link_si); 5072 5073 if (ixgbe_is_sfp(hw)) { 5074 /* Pluggable optics-related interrupt */ 5075 if (hw->mac.type >= ixgbe_mac_X540) 5076 eicr_mask = IXGBE_EICR_GPI_SDP0_X540; 5077 else 5078 eicr_mask = IXGBE_EICR_GPI_SDP2_BY_MAC(hw); 5079 5080 if (eicr & eicr_mask) { 5081 IXGBE_WRITE_REG(hw, IXGBE_EICR, eicr_mask); 5082 softint_schedule(adapter->mod_si); 5083 } 5084 5085 if ((hw->mac.type == ixgbe_mac_82599EB) && 5086 (eicr & IXGBE_EICR_GPI_SDP1_BY_MAC(hw))) { 5087 IXGBE_WRITE_REG(hw, IXGBE_EICR, 5088 IXGBE_EICR_GPI_SDP1_BY_MAC(hw)); 5089 softint_schedule(adapter->msf_si); 5090 } 5091 } 5092 5093 /* External PHY interrupt */ 5094 if ((hw->phy.type == ixgbe_phy_x550em_ext_t) && 5095 (eicr & IXGBE_EICR_GPI_SDP0_X540)) 5096 softint_schedule(adapter->phy_si); 5097 5098 if (more) { 5099 que->req.ev_count++; 5100 ixgbe_sched_handle_que(adapter, que); 5101 } else 5102 ixgbe_enable_intr(adapter); 5103 5104 return 1; 5105 } /* ixgbe_legacy_irq */ 5106 5107 /************************************************************************ 5108 * ixgbe_free_pciintr_resources 5109 ************************************************************************/ 5110 static void 5111 ixgbe_free_pciintr_resources(struct adapter *adapter) 5112 { 5113 struct ix_queue *que = adapter->queues; 5114 int rid; 5115 5116 /* 5117 * Release all msix queue resources: 5118 */ 5119 for (int i = 0; i < adapter->num_queues; i++, que++) { 5120 if (que->res != NULL) { 5121 pci_intr_disestablish(adapter->osdep.pc, 5122 adapter->osdep.ihs[i]); 5123 adapter->osdep.ihs[i] = NULL; 5124 } 5125 } 5126 5127 /* Clean the Legacy or Link interrupt last */ 5128 if (adapter->vector) /* we are doing MSIX */ 5129 rid = adapter->vector; 5130 else 5131 rid = 0; 5132 5133 if (adapter->osdep.ihs[rid] != NULL) { 5134 pci_intr_disestablish(adapter->osdep.pc, 5135 adapter->osdep.ihs[rid]); 5136 adapter->osdep.ihs[rid] = NULL; 5137 } 5138 5139 if (adapter->osdep.intrs != NULL) { 5140 pci_intr_release(adapter->osdep.pc, adapter->osdep.intrs, 5141 adapter->osdep.nintrs); 5142 adapter->osdep.intrs = NULL; 5143 } 5144 } /* ixgbe_free_pciintr_resources */ 5145 5146 /************************************************************************ 5147 * ixgbe_free_pci_resources 5148 ************************************************************************/ 5149 static void 5150 ixgbe_free_pci_resources(struct adapter *adapter) 5151 { 5152 5153 ixgbe_free_pciintr_resources(adapter); 5154 5155 if (adapter->osdep.mem_size != 0) { 5156 bus_space_unmap(adapter->osdep.mem_bus_space_tag, 5157 adapter->osdep.mem_bus_space_handle, 5158 adapter->osdep.mem_size); 5159 } 5160 5161 } /* ixgbe_free_pci_resources */ 5162 5163 /************************************************************************ 5164 * ixgbe_set_sysctl_value 5165 ************************************************************************/ 5166 static void 5167 ixgbe_set_sysctl_value(struct adapter *adapter, const char *name, 5168 const char *description, int *limit, int value) 5169 { 5170 device_t dev = adapter->dev; 5171 struct sysctllog **log; 5172 const struct sysctlnode *rnode, *cnode; 5173 5174 /* 5175 * It's not required to check recovery mode because this function never 5176 * touches hardware. 5177 */ 5178 5179 log = &adapter->sysctllog; 5180 if ((rnode = ixgbe_sysctl_instance(adapter)) == NULL) { 5181 aprint_error_dev(dev, "could not create sysctl root\n"); 5182 return; 5183 } 5184 if (sysctl_createv(log, 0, &rnode, &cnode, 5185 CTLFLAG_READWRITE, CTLTYPE_INT, 5186 name, SYSCTL_DESCR(description), 5187 NULL, 0, limit, 0, CTL_CREATE, CTL_EOL) != 0) 5188 aprint_error_dev(dev, "could not create sysctl\n"); 5189 *limit = value; 5190 } /* ixgbe_set_sysctl_value */ 5191 5192 /************************************************************************ 5193 * ixgbe_sysctl_flowcntl 5194 * 5195 * SYSCTL wrapper around setting Flow Control 5196 ************************************************************************/ 5197 static int 5198 ixgbe_sysctl_flowcntl(SYSCTLFN_ARGS) 5199 { 5200 struct sysctlnode node = *rnode; 5201 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5202 int error, fc; 5203 5204 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5205 return (EPERM); 5206 5207 fc = adapter->hw.fc.current_mode; 5208 node.sysctl_data = &fc; 5209 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5210 if (error != 0 || newp == NULL) 5211 return error; 5212 5213 /* Don't bother if it's not changed */ 5214 if (fc == adapter->hw.fc.current_mode) 5215 return (0); 5216 5217 return ixgbe_set_flowcntl(adapter, fc); 5218 } /* ixgbe_sysctl_flowcntl */ 5219 5220 /************************************************************************ 5221 * ixgbe_set_flowcntl - Set flow control 5222 * 5223 * Flow control values: 5224 * 0 - off 5225 * 1 - rx pause 5226 * 2 - tx pause 5227 * 3 - full 5228 ************************************************************************/ 5229 static int 5230 ixgbe_set_flowcntl(struct adapter *adapter, int fc) 5231 { 5232 switch (fc) { 5233 case ixgbe_fc_rx_pause: 5234 case ixgbe_fc_tx_pause: 5235 case ixgbe_fc_full: 5236 adapter->hw.fc.requested_mode = fc; 5237 if (adapter->num_queues > 1) 5238 ixgbe_disable_rx_drop(adapter); 5239 break; 5240 case ixgbe_fc_none: 5241 adapter->hw.fc.requested_mode = ixgbe_fc_none; 5242 if (adapter->num_queues > 1) 5243 ixgbe_enable_rx_drop(adapter); 5244 break; 5245 default: 5246 return (EINVAL); 5247 } 5248 5249 #if 0 /* XXX NetBSD */ 5250 /* Don't autoneg if forcing a value */ 5251 adapter->hw.fc.disable_fc_autoneg = TRUE; 5252 #endif 5253 ixgbe_fc_enable(&adapter->hw); 5254 5255 return (0); 5256 } /* ixgbe_set_flowcntl */ 5257 5258 /************************************************************************ 5259 * ixgbe_enable_rx_drop 5260 * 5261 * Enable the hardware to drop packets when the buffer is 5262 * full. This is useful with multiqueue, so that no single 5263 * queue being full stalls the entire RX engine. We only 5264 * enable this when Multiqueue is enabled AND Flow Control 5265 * is disabled. 5266 ************************************************************************/ 5267 static void 5268 ixgbe_enable_rx_drop(struct adapter *adapter) 5269 { 5270 struct ixgbe_hw *hw = &adapter->hw; 5271 struct rx_ring *rxr; 5272 u32 srrctl; 5273 5274 for (int i = 0; i < adapter->num_queues; i++) { 5275 rxr = &adapter->rx_rings[i]; 5276 srrctl = IXGBE_READ_REG(hw, IXGBE_SRRCTL(rxr->me)); 5277 srrctl |= IXGBE_SRRCTL_DROP_EN; 5278 IXGBE_WRITE_REG(hw, IXGBE_SRRCTL(rxr->me), srrctl); 5279 } 5280 5281 /* enable drop for each vf */ 5282 for (int i = 0; i < adapter->num_vfs; i++) { 5283 IXGBE_WRITE_REG(hw, IXGBE_QDE, 5284 (IXGBE_QDE_WRITE | (i << IXGBE_QDE_IDX_SHIFT) | 5285 IXGBE_QDE_ENABLE)); 5286 } 5287 } /* ixgbe_enable_rx_drop */ 5288 5289 /************************************************************************ 5290 * ixgbe_disable_rx_drop 5291 ************************************************************************/ 5292 static void 5293 ixgbe_disable_rx_drop(struct adapter *adapter) 5294 { 5295 struct ixgbe_hw *hw = &adapter->hw; 5296 struct rx_ring *rxr; 5297 u32 srrctl; 5298 5299 for (int i = 0; i < adapter->num_queues; i++) { 5300 rxr = &adapter->rx_rings[i]; 5301 srrctl = IXGBE_READ_REG(hw, IXGBE_SRRCTL(rxr->me)); 5302 srrctl &= ~IXGBE_SRRCTL_DROP_EN; 5303 IXGBE_WRITE_REG(hw, IXGBE_SRRCTL(rxr->me), srrctl); 5304 } 5305 5306 /* disable drop for each vf */ 5307 for (int i = 0; i < adapter->num_vfs; i++) { 5308 IXGBE_WRITE_REG(hw, IXGBE_QDE, 5309 (IXGBE_QDE_WRITE | (i << IXGBE_QDE_IDX_SHIFT))); 5310 } 5311 } /* ixgbe_disable_rx_drop */ 5312 5313 /************************************************************************ 5314 * ixgbe_sysctl_advertise 5315 * 5316 * SYSCTL wrapper around setting advertised speed 5317 ************************************************************************/ 5318 static int 5319 ixgbe_sysctl_advertise(SYSCTLFN_ARGS) 5320 { 5321 struct sysctlnode node = *rnode; 5322 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5323 int error = 0, advertise; 5324 5325 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5326 return (EPERM); 5327 5328 advertise = adapter->advertise; 5329 node.sysctl_data = &advertise; 5330 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5331 if (error != 0 || newp == NULL) 5332 return error; 5333 5334 return ixgbe_set_advertise(adapter, advertise); 5335 } /* ixgbe_sysctl_advertise */ 5336 5337 /************************************************************************ 5338 * ixgbe_set_advertise - Control advertised link speed 5339 * 5340 * Flags: 5341 * 0x00 - Default (all capable link speed) 5342 * 0x01 - advertise 100 Mb 5343 * 0x02 - advertise 1G 5344 * 0x04 - advertise 10G 5345 * 0x08 - advertise 10 Mb 5346 * 0x10 - advertise 2.5G 5347 * 0x20 - advertise 5G 5348 ************************************************************************/ 5349 static int 5350 ixgbe_set_advertise(struct adapter *adapter, int advertise) 5351 { 5352 device_t dev; 5353 struct ixgbe_hw *hw; 5354 ixgbe_link_speed speed = 0; 5355 ixgbe_link_speed link_caps = 0; 5356 s32 err = IXGBE_NOT_IMPLEMENTED; 5357 bool negotiate = FALSE; 5358 5359 /* Checks to validate new value */ 5360 if (adapter->advertise == advertise) /* no change */ 5361 return (0); 5362 5363 dev = adapter->dev; 5364 hw = &adapter->hw; 5365 5366 /* No speed changes for backplane media */ 5367 if (hw->phy.media_type == ixgbe_media_type_backplane) 5368 return (ENODEV); 5369 5370 if (!((hw->phy.media_type == ixgbe_media_type_copper) || 5371 (hw->phy.multispeed_fiber))) { 5372 device_printf(dev, 5373 "Advertised speed can only be set on copper or " 5374 "multispeed fiber media types.\n"); 5375 return (EINVAL); 5376 } 5377 5378 if (advertise < 0x0 || advertise > 0x2f) { 5379 device_printf(dev, 5380 "Invalid advertised speed; valid modes are 0x0 through 0x7\n"); 5381 return (EINVAL); 5382 } 5383 5384 if (hw->mac.ops.get_link_capabilities) { 5385 err = hw->mac.ops.get_link_capabilities(hw, &link_caps, 5386 &negotiate); 5387 if (err != IXGBE_SUCCESS) { 5388 device_printf(dev, "Unable to determine supported advertise speeds\n"); 5389 return (ENODEV); 5390 } 5391 } 5392 5393 /* Set new value and report new advertised mode */ 5394 if (advertise & 0x1) { 5395 if (!(link_caps & IXGBE_LINK_SPEED_100_FULL)) { 5396 device_printf(dev, "Interface does not support 100Mb advertised speed\n"); 5397 return (EINVAL); 5398 } 5399 speed |= IXGBE_LINK_SPEED_100_FULL; 5400 } 5401 if (advertise & 0x2) { 5402 if (!(link_caps & IXGBE_LINK_SPEED_1GB_FULL)) { 5403 device_printf(dev, "Interface does not support 1Gb advertised speed\n"); 5404 return (EINVAL); 5405 } 5406 speed |= IXGBE_LINK_SPEED_1GB_FULL; 5407 } 5408 if (advertise & 0x4) { 5409 if (!(link_caps & IXGBE_LINK_SPEED_10GB_FULL)) { 5410 device_printf(dev, "Interface does not support 10Gb advertised speed\n"); 5411 return (EINVAL); 5412 } 5413 speed |= IXGBE_LINK_SPEED_10GB_FULL; 5414 } 5415 if (advertise & 0x8) { 5416 if (!(link_caps & IXGBE_LINK_SPEED_10_FULL)) { 5417 device_printf(dev, "Interface does not support 10Mb advertised speed\n"); 5418 return (EINVAL); 5419 } 5420 speed |= IXGBE_LINK_SPEED_10_FULL; 5421 } 5422 if (advertise & 0x10) { 5423 if (!(link_caps & IXGBE_LINK_SPEED_2_5GB_FULL)) { 5424 device_printf(dev, "Interface does not support 2.5Gb advertised speed\n"); 5425 return (EINVAL); 5426 } 5427 speed |= IXGBE_LINK_SPEED_2_5GB_FULL; 5428 } 5429 if (advertise & 0x20) { 5430 if (!(link_caps & IXGBE_LINK_SPEED_5GB_FULL)) { 5431 device_printf(dev, "Interface does not support 5Gb advertised speed\n"); 5432 return (EINVAL); 5433 } 5434 speed |= IXGBE_LINK_SPEED_5GB_FULL; 5435 } 5436 if (advertise == 0) 5437 speed = link_caps; /* All capable link speed */ 5438 5439 hw->mac.autotry_restart = TRUE; 5440 hw->mac.ops.setup_link(hw, speed, TRUE); 5441 adapter->advertise = advertise; 5442 5443 return (0); 5444 } /* ixgbe_set_advertise */ 5445 5446 /************************************************************************ 5447 * ixgbe_get_advertise - Get current advertised speed settings 5448 * 5449 * Formatted for sysctl usage. 5450 * Flags: 5451 * 0x01 - advertise 100 Mb 5452 * 0x02 - advertise 1G 5453 * 0x04 - advertise 10G 5454 * 0x08 - advertise 10 Mb (yes, Mb) 5455 * 0x10 - advertise 2.5G 5456 * 0x20 - advertise 5G 5457 ************************************************************************/ 5458 static int 5459 ixgbe_get_advertise(struct adapter *adapter) 5460 { 5461 struct ixgbe_hw *hw = &adapter->hw; 5462 int speed; 5463 ixgbe_link_speed link_caps = 0; 5464 s32 err; 5465 bool negotiate = FALSE; 5466 5467 /* 5468 * Advertised speed means nothing unless it's copper or 5469 * multi-speed fiber 5470 */ 5471 if (!(hw->phy.media_type == ixgbe_media_type_copper) && 5472 !(hw->phy.multispeed_fiber)) 5473 return (0); 5474 5475 err = hw->mac.ops.get_link_capabilities(hw, &link_caps, &negotiate); 5476 if (err != IXGBE_SUCCESS) 5477 return (0); 5478 5479 speed = 5480 ((link_caps & IXGBE_LINK_SPEED_10GB_FULL) ? 0x04 : 0) | 5481 ((link_caps & IXGBE_LINK_SPEED_1GB_FULL) ? 0x02 : 0) | 5482 ((link_caps & IXGBE_LINK_SPEED_100_FULL) ? 0x01 : 0) | 5483 ((link_caps & IXGBE_LINK_SPEED_10_FULL) ? 0x08 : 0) | 5484 ((link_caps & IXGBE_LINK_SPEED_2_5GB_FULL) ? 0x10 : 0) | 5485 ((link_caps & IXGBE_LINK_SPEED_5GB_FULL) ? 0x20 : 0); 5486 5487 return speed; 5488 } /* ixgbe_get_advertise */ 5489 5490 /************************************************************************ 5491 * ixgbe_sysctl_dmac - Manage DMA Coalescing 5492 * 5493 * Control values: 5494 * 0/1 - off / on (use default value of 1000) 5495 * 5496 * Legal timer values are: 5497 * 50,100,250,500,1000,2000,5000,10000 5498 * 5499 * Turning off interrupt moderation will also turn this off. 5500 ************************************************************************/ 5501 static int 5502 ixgbe_sysctl_dmac(SYSCTLFN_ARGS) 5503 { 5504 struct sysctlnode node = *rnode; 5505 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5506 struct ifnet *ifp = adapter->ifp; 5507 int error; 5508 int newval; 5509 5510 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5511 return (EPERM); 5512 5513 newval = adapter->dmac; 5514 node.sysctl_data = &newval; 5515 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5516 if ((error) || (newp == NULL)) 5517 return (error); 5518 5519 switch (newval) { 5520 case 0: 5521 /* Disabled */ 5522 adapter->dmac = 0; 5523 break; 5524 case 1: 5525 /* Enable and use default */ 5526 adapter->dmac = 1000; 5527 break; 5528 case 50: 5529 case 100: 5530 case 250: 5531 case 500: 5532 case 1000: 5533 case 2000: 5534 case 5000: 5535 case 10000: 5536 /* Legal values - allow */ 5537 adapter->dmac = newval; 5538 break; 5539 default: 5540 /* Do nothing, illegal value */ 5541 return (EINVAL); 5542 } 5543 5544 /* Re-initialize hardware if it's already running */ 5545 if (ifp->if_flags & IFF_RUNNING) 5546 ifp->if_init(ifp); 5547 5548 return (0); 5549 } 5550 5551 #ifdef IXGBE_DEBUG 5552 /************************************************************************ 5553 * ixgbe_sysctl_power_state 5554 * 5555 * Sysctl to test power states 5556 * Values: 5557 * 0 - set device to D0 5558 * 3 - set device to D3 5559 * (none) - get current device power state 5560 ************************************************************************/ 5561 static int 5562 ixgbe_sysctl_power_state(SYSCTLFN_ARGS) 5563 { 5564 #ifdef notyet 5565 struct sysctlnode node = *rnode; 5566 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5567 device_t dev = adapter->dev; 5568 int curr_ps, new_ps, error = 0; 5569 5570 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5571 return (EPERM); 5572 5573 curr_ps = new_ps = pci_get_powerstate(dev); 5574 5575 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5576 if ((error) || (req->newp == NULL)) 5577 return (error); 5578 5579 if (new_ps == curr_ps) 5580 return (0); 5581 5582 if (new_ps == 3 && curr_ps == 0) 5583 error = DEVICE_SUSPEND(dev); 5584 else if (new_ps == 0 && curr_ps == 3) 5585 error = DEVICE_RESUME(dev); 5586 else 5587 return (EINVAL); 5588 5589 device_printf(dev, "New state: %d\n", pci_get_powerstate(dev)); 5590 5591 return (error); 5592 #else 5593 return 0; 5594 #endif 5595 } /* ixgbe_sysctl_power_state */ 5596 #endif 5597 5598 /************************************************************************ 5599 * ixgbe_sysctl_wol_enable 5600 * 5601 * Sysctl to enable/disable the WoL capability, 5602 * if supported by the adapter. 5603 * 5604 * Values: 5605 * 0 - disabled 5606 * 1 - enabled 5607 ************************************************************************/ 5608 static int 5609 ixgbe_sysctl_wol_enable(SYSCTLFN_ARGS) 5610 { 5611 struct sysctlnode node = *rnode; 5612 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5613 struct ixgbe_hw *hw = &adapter->hw; 5614 bool new_wol_enabled; 5615 int error = 0; 5616 5617 /* 5618 * It's not required to check recovery mode because this function never 5619 * touches hardware. 5620 */ 5621 new_wol_enabled = hw->wol_enabled; 5622 node.sysctl_data = &new_wol_enabled; 5623 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5624 if ((error) || (newp == NULL)) 5625 return (error); 5626 if (new_wol_enabled == hw->wol_enabled) 5627 return (0); 5628 5629 if (new_wol_enabled && !adapter->wol_support) 5630 return (ENODEV); 5631 else 5632 hw->wol_enabled = new_wol_enabled; 5633 5634 return (0); 5635 } /* ixgbe_sysctl_wol_enable */ 5636 5637 /************************************************************************ 5638 * ixgbe_sysctl_wufc - Wake Up Filter Control 5639 * 5640 * Sysctl to enable/disable the types of packets that the 5641 * adapter will wake up on upon receipt. 5642 * Flags: 5643 * 0x1 - Link Status Change 5644 * 0x2 - Magic Packet 5645 * 0x4 - Direct Exact 5646 * 0x8 - Directed Multicast 5647 * 0x10 - Broadcast 5648 * 0x20 - ARP/IPv4 Request Packet 5649 * 0x40 - Direct IPv4 Packet 5650 * 0x80 - Direct IPv6 Packet 5651 * 5652 * Settings not listed above will cause the sysctl to return an error. 5653 ************************************************************************/ 5654 static int 5655 ixgbe_sysctl_wufc(SYSCTLFN_ARGS) 5656 { 5657 struct sysctlnode node = *rnode; 5658 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5659 int error = 0; 5660 u32 new_wufc; 5661 5662 /* 5663 * It's not required to check recovery mode because this function never 5664 * touches hardware. 5665 */ 5666 new_wufc = adapter->wufc; 5667 node.sysctl_data = &new_wufc; 5668 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5669 if ((error) || (newp == NULL)) 5670 return (error); 5671 if (new_wufc == adapter->wufc) 5672 return (0); 5673 5674 if (new_wufc & 0xffffff00) 5675 return (EINVAL); 5676 5677 new_wufc &= 0xff; 5678 new_wufc |= (0xffffff & adapter->wufc); 5679 adapter->wufc = new_wufc; 5680 5681 return (0); 5682 } /* ixgbe_sysctl_wufc */ 5683 5684 #ifdef IXGBE_DEBUG 5685 /************************************************************************ 5686 * ixgbe_sysctl_print_rss_config 5687 ************************************************************************/ 5688 static int 5689 ixgbe_sysctl_print_rss_config(SYSCTLFN_ARGS) 5690 { 5691 #ifdef notyet 5692 struct sysctlnode node = *rnode; 5693 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5694 struct ixgbe_hw *hw = &adapter->hw; 5695 device_t dev = adapter->dev; 5696 struct sbuf *buf; 5697 int error = 0, reta_size; 5698 u32 reg; 5699 5700 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5701 return (EPERM); 5702 5703 buf = sbuf_new_for_sysctl(NULL, NULL, 128, req); 5704 if (!buf) { 5705 device_printf(dev, "Could not allocate sbuf for output.\n"); 5706 return (ENOMEM); 5707 } 5708 5709 // TODO: use sbufs to make a string to print out 5710 /* Set multiplier for RETA setup and table size based on MAC */ 5711 switch (adapter->hw.mac.type) { 5712 case ixgbe_mac_X550: 5713 case ixgbe_mac_X550EM_x: 5714 case ixgbe_mac_X550EM_a: 5715 reta_size = 128; 5716 break; 5717 default: 5718 reta_size = 32; 5719 break; 5720 } 5721 5722 /* Print out the redirection table */ 5723 sbuf_cat(buf, "\n"); 5724 for (int i = 0; i < reta_size; i++) { 5725 if (i < 32) { 5726 reg = IXGBE_READ_REG(hw, IXGBE_RETA(i)); 5727 sbuf_printf(buf, "RETA(%2d): 0x%08x\n", i, reg); 5728 } else { 5729 reg = IXGBE_READ_REG(hw, IXGBE_ERETA(i - 32)); 5730 sbuf_printf(buf, "ERETA(%2d): 0x%08x\n", i - 32, reg); 5731 } 5732 } 5733 5734 // TODO: print more config 5735 5736 error = sbuf_finish(buf); 5737 if (error) 5738 device_printf(dev, "Error finishing sbuf: %d\n", error); 5739 5740 sbuf_delete(buf); 5741 #endif 5742 return (0); 5743 } /* ixgbe_sysctl_print_rss_config */ 5744 #endif /* IXGBE_DEBUG */ 5745 5746 /************************************************************************ 5747 * ixgbe_sysctl_phy_temp - Retrieve temperature of PHY 5748 * 5749 * For X552/X557-AT devices using an external PHY 5750 ************************************************************************/ 5751 static int 5752 ixgbe_sysctl_phy_temp(SYSCTLFN_ARGS) 5753 { 5754 struct sysctlnode node = *rnode; 5755 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5756 struct ixgbe_hw *hw = &adapter->hw; 5757 int val; 5758 u16 reg; 5759 int error; 5760 5761 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5762 return (EPERM); 5763 5764 if (hw->device_id != IXGBE_DEV_ID_X550EM_X_10G_T) { 5765 device_printf(adapter->dev, 5766 "Device has no supported external thermal sensor.\n"); 5767 return (ENODEV); 5768 } 5769 5770 if (hw->phy.ops.read_reg(hw, IXGBE_PHY_CURRENT_TEMP, 5771 IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, ®)) { 5772 device_printf(adapter->dev, 5773 "Error reading from PHY's current temperature register\n"); 5774 return (EAGAIN); 5775 } 5776 5777 node.sysctl_data = &val; 5778 5779 /* Shift temp for output */ 5780 val = reg >> 8; 5781 5782 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5783 if ((error) || (newp == NULL)) 5784 return (error); 5785 5786 return (0); 5787 } /* ixgbe_sysctl_phy_temp */ 5788 5789 /************************************************************************ 5790 * ixgbe_sysctl_phy_overtemp_occurred 5791 * 5792 * Reports (directly from the PHY) whether the current PHY 5793 * temperature is over the overtemp threshold. 5794 ************************************************************************/ 5795 static int 5796 ixgbe_sysctl_phy_overtemp_occurred(SYSCTLFN_ARGS) 5797 { 5798 struct sysctlnode node = *rnode; 5799 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5800 struct ixgbe_hw *hw = &adapter->hw; 5801 int val, error; 5802 u16 reg; 5803 5804 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5805 return (EPERM); 5806 5807 if (hw->device_id != IXGBE_DEV_ID_X550EM_X_10G_T) { 5808 device_printf(adapter->dev, 5809 "Device has no supported external thermal sensor.\n"); 5810 return (ENODEV); 5811 } 5812 5813 if (hw->phy.ops.read_reg(hw, IXGBE_PHY_OVERTEMP_STATUS, 5814 IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, ®)) { 5815 device_printf(adapter->dev, 5816 "Error reading from PHY's temperature status register\n"); 5817 return (EAGAIN); 5818 } 5819 5820 node.sysctl_data = &val; 5821 5822 /* Get occurrence bit */ 5823 val = !!(reg & 0x4000); 5824 5825 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5826 if ((error) || (newp == NULL)) 5827 return (error); 5828 5829 return (0); 5830 } /* ixgbe_sysctl_phy_overtemp_occurred */ 5831 5832 /************************************************************************ 5833 * ixgbe_sysctl_eee_state 5834 * 5835 * Sysctl to set EEE power saving feature 5836 * Values: 5837 * 0 - disable EEE 5838 * 1 - enable EEE 5839 * (none) - get current device EEE state 5840 ************************************************************************/ 5841 static int 5842 ixgbe_sysctl_eee_state(SYSCTLFN_ARGS) 5843 { 5844 struct sysctlnode node = *rnode; 5845 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5846 struct ifnet *ifp = adapter->ifp; 5847 device_t dev = adapter->dev; 5848 int curr_eee, new_eee, error = 0; 5849 s32 retval; 5850 5851 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5852 return (EPERM); 5853 5854 curr_eee = new_eee = !!(adapter->feat_en & IXGBE_FEATURE_EEE); 5855 node.sysctl_data = &new_eee; 5856 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5857 if ((error) || (newp == NULL)) 5858 return (error); 5859 5860 /* Nothing to do */ 5861 if (new_eee == curr_eee) 5862 return (0); 5863 5864 /* Not supported */ 5865 if (!(adapter->feat_cap & IXGBE_FEATURE_EEE)) 5866 return (EINVAL); 5867 5868 /* Bounds checking */ 5869 if ((new_eee < 0) || (new_eee > 1)) 5870 return (EINVAL); 5871 5872 retval = adapter->hw.mac.ops.setup_eee(&adapter->hw, new_eee); 5873 if (retval) { 5874 device_printf(dev, "Error in EEE setup: 0x%08X\n", retval); 5875 return (EINVAL); 5876 } 5877 5878 /* Restart auto-neg */ 5879 ifp->if_init(ifp); 5880 5881 device_printf(dev, "New EEE state: %d\n", new_eee); 5882 5883 /* Cache new value */ 5884 if (new_eee) 5885 adapter->feat_en |= IXGBE_FEATURE_EEE; 5886 else 5887 adapter->feat_en &= ~IXGBE_FEATURE_EEE; 5888 5889 return (error); 5890 } /* ixgbe_sysctl_eee_state */ 5891 5892 #define PRINTQS(adapter, regname) \ 5893 do { \ 5894 struct ixgbe_hw *_hw = &(adapter)->hw; \ 5895 int _i; \ 5896 \ 5897 printf("%s: %s", device_xname((adapter)->dev), #regname); \ 5898 for (_i = 0; _i < (adapter)->num_queues; _i++) { \ 5899 printf((_i == 0) ? "\t" : " "); \ 5900 printf("%08x", IXGBE_READ_REG(_hw, \ 5901 IXGBE_##regname(_i))); \ 5902 } \ 5903 printf("\n"); \ 5904 } while (0) 5905 5906 /************************************************************************ 5907 * ixgbe_print_debug_info 5908 * 5909 * Called only when em_display_debug_stats is enabled. 5910 * Provides a way to take a look at important statistics 5911 * maintained by the driver and hardware. 5912 ************************************************************************/ 5913 static void 5914 ixgbe_print_debug_info(struct adapter *adapter) 5915 { 5916 device_t dev = adapter->dev; 5917 struct ixgbe_hw *hw = &adapter->hw; 5918 int table_size; 5919 int i; 5920 5921 switch (adapter->hw.mac.type) { 5922 case ixgbe_mac_X550: 5923 case ixgbe_mac_X550EM_x: 5924 case ixgbe_mac_X550EM_a: 5925 table_size = 128; 5926 break; 5927 default: 5928 table_size = 32; 5929 break; 5930 } 5931 5932 device_printf(dev, "[E]RETA:\n"); 5933 for (i = 0; i < table_size; i++) { 5934 if (i < 32) 5935 printf("%02x: %08x\n", i, IXGBE_READ_REG(hw, 5936 IXGBE_RETA(i))); 5937 else 5938 printf("%02x: %08x\n", i, IXGBE_READ_REG(hw, 5939 IXGBE_ERETA(i - 32))); 5940 } 5941 5942 device_printf(dev, "queue:"); 5943 for (i = 0; i < adapter->num_queues; i++) { 5944 printf((i == 0) ? "\t" : " "); 5945 printf("%8d", i); 5946 } 5947 printf("\n"); 5948 PRINTQS(adapter, RDBAL); 5949 PRINTQS(adapter, RDBAH); 5950 PRINTQS(adapter, RDLEN); 5951 PRINTQS(adapter, SRRCTL); 5952 PRINTQS(adapter, RDH); 5953 PRINTQS(adapter, RDT); 5954 PRINTQS(adapter, RXDCTL); 5955 5956 device_printf(dev, "RQSMR:"); 5957 for (i = 0; i < adapter->num_queues / 4; i++) { 5958 printf((i == 0) ? "\t" : " "); 5959 printf("%08x", IXGBE_READ_REG(hw, IXGBE_RQSMR(i))); 5960 } 5961 printf("\n"); 5962 5963 device_printf(dev, "disabled_count:"); 5964 for (i = 0; i < adapter->num_queues; i++) { 5965 printf((i == 0) ? "\t" : " "); 5966 printf("%8d", adapter->queues[i].disabled_count); 5967 } 5968 printf("\n"); 5969 5970 device_printf(dev, "EIMS:\t%08x\n", IXGBE_READ_REG(hw, IXGBE_EIMS)); 5971 if (hw->mac.type != ixgbe_mac_82598EB) { 5972 device_printf(dev, "EIMS_EX(0):\t%08x\n", 5973 IXGBE_READ_REG(hw, IXGBE_EIMS_EX(0))); 5974 device_printf(dev, "EIMS_EX(1):\t%08x\n", 5975 IXGBE_READ_REG(hw, IXGBE_EIMS_EX(1))); 5976 } 5977 } /* ixgbe_print_debug_info */ 5978 5979 /************************************************************************ 5980 * ixgbe_sysctl_debug 5981 ************************************************************************/ 5982 static int 5983 ixgbe_sysctl_debug(SYSCTLFN_ARGS) 5984 { 5985 struct sysctlnode node = *rnode; 5986 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5987 int error, result = 0; 5988 5989 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5990 return (EPERM); 5991 5992 node.sysctl_data = &result; 5993 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5994 5995 if (error || newp == NULL) 5996 return error; 5997 5998 if (result == 1) 5999 ixgbe_print_debug_info(adapter); 6000 6001 return 0; 6002 } /* ixgbe_sysctl_debug */ 6003 6004 /************************************************************************ 6005 * ixgbe_init_device_features 6006 ************************************************************************/ 6007 static void 6008 ixgbe_init_device_features(struct adapter *adapter) 6009 { 6010 adapter->feat_cap = IXGBE_FEATURE_NETMAP 6011 | IXGBE_FEATURE_RSS 6012 | IXGBE_FEATURE_MSI 6013 | IXGBE_FEATURE_MSIX 6014 | IXGBE_FEATURE_LEGACY_IRQ 6015 | IXGBE_FEATURE_LEGACY_TX; 6016 6017 /* Set capabilities first... */ 6018 switch (adapter->hw.mac.type) { 6019 case ixgbe_mac_82598EB: 6020 if (adapter->hw.device_id == IXGBE_DEV_ID_82598AT) 6021 adapter->feat_cap |= IXGBE_FEATURE_FAN_FAIL; 6022 break; 6023 case ixgbe_mac_X540: 6024 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 6025 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 6026 if ((adapter->hw.device_id == IXGBE_DEV_ID_X540_BYPASS) && 6027 (adapter->hw.bus.func == 0)) 6028 adapter->feat_cap |= IXGBE_FEATURE_BYPASS; 6029 break; 6030 case ixgbe_mac_X550: 6031 /* 6032 * IXGBE_FEATURE_RECOVERY_MODE will be set after reading 6033 * NVM Image version. 6034 */ 6035 adapter->feat_cap |= IXGBE_FEATURE_TEMP_SENSOR; 6036 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 6037 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 6038 break; 6039 case ixgbe_mac_X550EM_x: 6040 /* 6041 * IXGBE_FEATURE_RECOVERY_MODE will be set after reading 6042 * NVM Image version. 6043 */ 6044 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 6045 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 6046 if (adapter->hw.device_id == IXGBE_DEV_ID_X550EM_X_KR) 6047 adapter->feat_cap |= IXGBE_FEATURE_EEE; 6048 break; 6049 case ixgbe_mac_X550EM_a: 6050 /* 6051 * IXGBE_FEATURE_RECOVERY_MODE will be set after reading 6052 * NVM Image version. 6053 */ 6054 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 6055 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 6056 adapter->feat_cap &= ~IXGBE_FEATURE_LEGACY_IRQ; 6057 if ((adapter->hw.device_id == IXGBE_DEV_ID_X550EM_A_1G_T) || 6058 (adapter->hw.device_id == IXGBE_DEV_ID_X550EM_A_1G_T_L)) { 6059 adapter->feat_cap |= IXGBE_FEATURE_TEMP_SENSOR; 6060 adapter->feat_cap |= IXGBE_FEATURE_EEE; 6061 } 6062 break; 6063 case ixgbe_mac_82599EB: 6064 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 6065 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 6066 if ((adapter->hw.device_id == IXGBE_DEV_ID_82599_BYPASS) && 6067 (adapter->hw.bus.func == 0)) 6068 adapter->feat_cap |= IXGBE_FEATURE_BYPASS; 6069 if (adapter->hw.device_id == IXGBE_DEV_ID_82599_QSFP_SF_QP) 6070 adapter->feat_cap &= ~IXGBE_FEATURE_LEGACY_IRQ; 6071 break; 6072 default: 6073 break; 6074 } 6075 6076 /* Enabled by default... */ 6077 /* Fan failure detection */ 6078 if (adapter->feat_cap & IXGBE_FEATURE_FAN_FAIL) 6079 adapter->feat_en |= IXGBE_FEATURE_FAN_FAIL; 6080 /* Netmap */ 6081 if (adapter->feat_cap & IXGBE_FEATURE_NETMAP) 6082 adapter->feat_en |= IXGBE_FEATURE_NETMAP; 6083 /* EEE */ 6084 if (adapter->feat_cap & IXGBE_FEATURE_EEE) 6085 adapter->feat_en |= IXGBE_FEATURE_EEE; 6086 /* Thermal Sensor */ 6087 if (adapter->feat_cap & IXGBE_FEATURE_TEMP_SENSOR) 6088 adapter->feat_en |= IXGBE_FEATURE_TEMP_SENSOR; 6089 /* 6090 * Recovery mode: 6091 * NetBSD: IXGBE_FEATURE_RECOVERY_MODE will be controlled after reading 6092 * NVM Image version. 6093 */ 6094 6095 /* Enabled via global sysctl... */ 6096 /* Flow Director */ 6097 if (ixgbe_enable_fdir) { 6098 if (adapter->feat_cap & IXGBE_FEATURE_FDIR) 6099 adapter->feat_en |= IXGBE_FEATURE_FDIR; 6100 else 6101 device_printf(adapter->dev, "Device does not support Flow Director. Leaving disabled."); 6102 } 6103 /* Legacy (single queue) transmit */ 6104 if ((adapter->feat_cap & IXGBE_FEATURE_LEGACY_TX) && 6105 ixgbe_enable_legacy_tx) 6106 adapter->feat_en |= IXGBE_FEATURE_LEGACY_TX; 6107 /* 6108 * Message Signal Interrupts - Extended (MSI-X) 6109 * Normal MSI is only enabled if MSI-X calls fail. 6110 */ 6111 if (!ixgbe_enable_msix) 6112 adapter->feat_cap &= ~IXGBE_FEATURE_MSIX; 6113 /* Receive-Side Scaling (RSS) */ 6114 if ((adapter->feat_cap & IXGBE_FEATURE_RSS) && ixgbe_enable_rss) 6115 adapter->feat_en |= IXGBE_FEATURE_RSS; 6116 6117 /* Disable features with unmet dependencies... */ 6118 /* No MSI-X */ 6119 if (!(adapter->feat_cap & IXGBE_FEATURE_MSIX)) { 6120 adapter->feat_cap &= ~IXGBE_FEATURE_RSS; 6121 adapter->feat_cap &= ~IXGBE_FEATURE_SRIOV; 6122 adapter->feat_en &= ~IXGBE_FEATURE_RSS; 6123 adapter->feat_en &= ~IXGBE_FEATURE_SRIOV; 6124 } 6125 } /* ixgbe_init_device_features */ 6126 6127 /************************************************************************ 6128 * ixgbe_probe - Device identification routine 6129 * 6130 * Determines if the driver should be loaded on 6131 * adapter based on its PCI vendor/device ID. 6132 * 6133 * return BUS_PROBE_DEFAULT on success, positive on failure 6134 ************************************************************************/ 6135 static int 6136 ixgbe_probe(device_t dev, cfdata_t cf, void *aux) 6137 { 6138 const struct pci_attach_args *pa = aux; 6139 6140 return (ixgbe_lookup(pa) != NULL) ? 1 : 0; 6141 } 6142 6143 static const ixgbe_vendor_info_t * 6144 ixgbe_lookup(const struct pci_attach_args *pa) 6145 { 6146 const ixgbe_vendor_info_t *ent; 6147 pcireg_t subid; 6148 6149 INIT_DEBUGOUT("ixgbe_lookup: begin"); 6150 6151 if (PCI_VENDOR(pa->pa_id) != IXGBE_INTEL_VENDOR_ID) 6152 return NULL; 6153 6154 subid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG); 6155 6156 for (ent = ixgbe_vendor_info_array; ent->vendor_id != 0; ent++) { 6157 if ((PCI_VENDOR(pa->pa_id) == ent->vendor_id) && 6158 (PCI_PRODUCT(pa->pa_id) == ent->device_id) && 6159 ((PCI_SUBSYS_VENDOR(subid) == ent->subvendor_id) || 6160 (ent->subvendor_id == 0)) && 6161 ((PCI_SUBSYS_ID(subid) == ent->subdevice_id) || 6162 (ent->subdevice_id == 0))) { 6163 return ent; 6164 } 6165 } 6166 return NULL; 6167 } 6168 6169 static int 6170 ixgbe_ifflags_cb(struct ethercom *ec) 6171 { 6172 struct ifnet *ifp = &ec->ec_if; 6173 struct adapter *adapter = ifp->if_softc; 6174 int change, rv = 0; 6175 6176 IXGBE_CORE_LOCK(adapter); 6177 6178 change = ifp->if_flags ^ adapter->if_flags; 6179 if (change != 0) 6180 adapter->if_flags = ifp->if_flags; 6181 6182 if ((change & ~(IFF_CANTCHANGE | IFF_DEBUG)) != 0) { 6183 rv = ENETRESET; 6184 goto out; 6185 } else if ((change & IFF_PROMISC) != 0) 6186 ixgbe_set_promisc(adapter); 6187 6188 /* Check for ec_capenable. */ 6189 change = ec->ec_capenable ^ adapter->ec_capenable; 6190 adapter->ec_capenable = ec->ec_capenable; 6191 if ((change & ~(ETHERCAP_VLAN_MTU | ETHERCAP_VLAN_HWTAGGING 6192 | ETHERCAP_VLAN_HWFILTER)) != 0) { 6193 rv = ENETRESET; 6194 goto out; 6195 } 6196 6197 /* 6198 * Special handling is not required for ETHERCAP_VLAN_MTU. 6199 * MAXFRS(MHADD) does not include the 4bytes of the VLAN header. 6200 */ 6201 6202 /* Set up VLAN support and filter */ 6203 if ((change & (ETHERCAP_VLAN_HWTAGGING | ETHERCAP_VLAN_HWFILTER)) != 0) 6204 ixgbe_setup_vlan_hw_support(adapter); 6205 6206 out: 6207 IXGBE_CORE_UNLOCK(adapter); 6208 6209 return rv; 6210 } 6211 6212 /************************************************************************ 6213 * ixgbe_ioctl - Ioctl entry point 6214 * 6215 * Called when the user wants to configure the interface. 6216 * 6217 * return 0 on success, positive on failure 6218 ************************************************************************/ 6219 static int 6220 ixgbe_ioctl(struct ifnet * ifp, u_long command, void *data) 6221 { 6222 struct adapter *adapter = ifp->if_softc; 6223 struct ixgbe_hw *hw = &adapter->hw; 6224 struct ifcapreq *ifcr = data; 6225 struct ifreq *ifr = data; 6226 int error = 0; 6227 int l4csum_en; 6228 const int l4csum = IFCAP_CSUM_TCPv4_Rx | IFCAP_CSUM_UDPv4_Rx | 6229 IFCAP_CSUM_TCPv6_Rx | IFCAP_CSUM_UDPv6_Rx; 6230 6231 if (ixgbe_fw_recovery_mode_swflag(adapter)) 6232 return (EPERM); 6233 6234 switch (command) { 6235 case SIOCSIFFLAGS: 6236 IOCTL_DEBUGOUT("ioctl: SIOCSIFFLAGS (Set Interface Flags)"); 6237 break; 6238 case SIOCADDMULTI: 6239 case SIOCDELMULTI: 6240 IOCTL_DEBUGOUT("ioctl: SIOC(ADD|DEL)MULTI"); 6241 break; 6242 case SIOCSIFMEDIA: 6243 case SIOCGIFMEDIA: 6244 IOCTL_DEBUGOUT("ioctl: SIOCxIFMEDIA (Get/Set Interface Media)"); 6245 break; 6246 case SIOCSIFCAP: 6247 IOCTL_DEBUGOUT("ioctl: SIOCSIFCAP (Set Capabilities)"); 6248 break; 6249 case SIOCSIFMTU: 6250 IOCTL_DEBUGOUT("ioctl: SIOCSIFMTU (Set Interface MTU)"); 6251 break; 6252 #ifdef __NetBSD__ 6253 case SIOCINITIFADDR: 6254 IOCTL_DEBUGOUT("ioctl: SIOCINITIFADDR"); 6255 break; 6256 case SIOCGIFFLAGS: 6257 IOCTL_DEBUGOUT("ioctl: SIOCGIFFLAGS"); 6258 break; 6259 case SIOCGIFAFLAG_IN: 6260 IOCTL_DEBUGOUT("ioctl: SIOCGIFAFLAG_IN"); 6261 break; 6262 case SIOCGIFADDR: 6263 IOCTL_DEBUGOUT("ioctl: SIOCGIFADDR"); 6264 break; 6265 case SIOCGIFMTU: 6266 IOCTL_DEBUGOUT("ioctl: SIOCGIFMTU (Get Interface MTU)"); 6267 break; 6268 case SIOCGIFCAP: 6269 IOCTL_DEBUGOUT("ioctl: SIOCGIFCAP (Get IF cap)"); 6270 break; 6271 case SIOCGETHERCAP: 6272 IOCTL_DEBUGOUT("ioctl: SIOCGETHERCAP (Get ethercap)"); 6273 break; 6274 case SIOCGLIFADDR: 6275 IOCTL_DEBUGOUT("ioctl: SIOCGLIFADDR (Get Interface addr)"); 6276 break; 6277 case SIOCZIFDATA: 6278 IOCTL_DEBUGOUT("ioctl: SIOCZIFDATA (Zero counter)"); 6279 hw->mac.ops.clear_hw_cntrs(hw); 6280 ixgbe_clear_evcnt(adapter); 6281 break; 6282 case SIOCAIFADDR: 6283 IOCTL_DEBUGOUT("ioctl: SIOCAIFADDR (add/chg IF alias)"); 6284 break; 6285 #endif 6286 default: 6287 IOCTL_DEBUGOUT1("ioctl: UNKNOWN (0x%X)", (int)command); 6288 break; 6289 } 6290 6291 switch (command) { 6292 case SIOCGI2C: 6293 { 6294 struct ixgbe_i2c_req i2c; 6295 6296 IOCTL_DEBUGOUT("ioctl: SIOCGI2C (Get I2C Data)"); 6297 error = copyin(ifr->ifr_data, &i2c, sizeof(i2c)); 6298 if (error != 0) 6299 break; 6300 if (i2c.dev_addr != 0xA0 && i2c.dev_addr != 0xA2) { 6301 error = EINVAL; 6302 break; 6303 } 6304 if (i2c.len > sizeof(i2c.data)) { 6305 error = EINVAL; 6306 break; 6307 } 6308 6309 hw->phy.ops.read_i2c_byte(hw, i2c.offset, 6310 i2c.dev_addr, i2c.data); 6311 error = copyout(&i2c, ifr->ifr_data, sizeof(i2c)); 6312 break; 6313 } 6314 case SIOCSIFCAP: 6315 /* Layer-4 Rx checksum offload has to be turned on and 6316 * off as a unit. 6317 */ 6318 l4csum_en = ifcr->ifcr_capenable & l4csum; 6319 if (l4csum_en != l4csum && l4csum_en != 0) 6320 return EINVAL; 6321 /*FALLTHROUGH*/ 6322 case SIOCADDMULTI: 6323 case SIOCDELMULTI: 6324 case SIOCSIFFLAGS: 6325 case SIOCSIFMTU: 6326 default: 6327 if ((error = ether_ioctl(ifp, command, data)) != ENETRESET) 6328 return error; 6329 if ((ifp->if_flags & IFF_RUNNING) == 0) 6330 ; 6331 else if (command == SIOCSIFCAP || command == SIOCSIFMTU) { 6332 IXGBE_CORE_LOCK(adapter); 6333 if ((ifp->if_flags & IFF_RUNNING) != 0) 6334 ixgbe_init_locked(adapter); 6335 ixgbe_recalculate_max_frame(adapter); 6336 IXGBE_CORE_UNLOCK(adapter); 6337 } else if (command == SIOCADDMULTI || command == SIOCDELMULTI) { 6338 /* 6339 * Multicast list has changed; set the hardware filter 6340 * accordingly. 6341 */ 6342 IXGBE_CORE_LOCK(adapter); 6343 ixgbe_disable_intr(adapter); 6344 ixgbe_set_multi(adapter); 6345 ixgbe_enable_intr(adapter); 6346 IXGBE_CORE_UNLOCK(adapter); 6347 } 6348 return 0; 6349 } 6350 6351 return error; 6352 } /* ixgbe_ioctl */ 6353 6354 /************************************************************************ 6355 * ixgbe_check_fan_failure 6356 ************************************************************************/ 6357 static void 6358 ixgbe_check_fan_failure(struct adapter *adapter, u32 reg, bool in_interrupt) 6359 { 6360 u32 mask; 6361 6362 mask = (in_interrupt) ? IXGBE_EICR_GPI_SDP1_BY_MAC(&adapter->hw) : 6363 IXGBE_ESDP_SDP1; 6364 6365 if (reg & mask) 6366 device_printf(adapter->dev, "\nCRITICAL: FAN FAILURE!! REPLACE IMMEDIATELY!!\n"); 6367 } /* ixgbe_check_fan_failure */ 6368 6369 /************************************************************************ 6370 * ixgbe_handle_que 6371 ************************************************************************/ 6372 static void 6373 ixgbe_handle_que(void *context) 6374 { 6375 struct ix_queue *que = context; 6376 struct adapter *adapter = que->adapter; 6377 struct tx_ring *txr = que->txr; 6378 struct ifnet *ifp = adapter->ifp; 6379 bool more = false; 6380 6381 que->handleq.ev_count++; 6382 6383 if (ifp->if_flags & IFF_RUNNING) { 6384 more = ixgbe_rxeof(que); 6385 IXGBE_TX_LOCK(txr); 6386 more |= ixgbe_txeof(txr); 6387 if (!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX)) 6388 if (!ixgbe_mq_ring_empty(ifp, txr->txr_interq)) 6389 ixgbe_mq_start_locked(ifp, txr); 6390 /* Only for queue 0 */ 6391 /* NetBSD still needs this for CBQ */ 6392 if ((&adapter->queues[0] == que) 6393 && (!ixgbe_legacy_ring_empty(ifp, NULL))) 6394 ixgbe_legacy_start_locked(ifp, txr); 6395 IXGBE_TX_UNLOCK(txr); 6396 } 6397 6398 if (more) { 6399 que->req.ev_count++; 6400 ixgbe_sched_handle_que(adapter, que); 6401 } else if (que->res != NULL) { 6402 /* Re-enable this interrupt */ 6403 ixgbe_enable_queue(adapter, que->msix); 6404 } else 6405 ixgbe_enable_intr(adapter); 6406 6407 return; 6408 } /* ixgbe_handle_que */ 6409 6410 /************************************************************************ 6411 * ixgbe_handle_que_work 6412 ************************************************************************/ 6413 static void 6414 ixgbe_handle_que_work(struct work *wk, void *context) 6415 { 6416 struct ix_queue *que = container_of(wk, struct ix_queue, wq_cookie); 6417 6418 /* 6419 * "enqueued flag" is not required here. 6420 * See ixgbe_msix_que(). 6421 */ 6422 ixgbe_handle_que(que); 6423 } 6424 6425 /************************************************************************ 6426 * ixgbe_allocate_legacy - Setup the Legacy or MSI Interrupt handler 6427 ************************************************************************/ 6428 static int 6429 ixgbe_allocate_legacy(struct adapter *adapter, 6430 const struct pci_attach_args *pa) 6431 { 6432 device_t dev = adapter->dev; 6433 struct ix_queue *que = adapter->queues; 6434 struct tx_ring *txr = adapter->tx_rings; 6435 int counts[PCI_INTR_TYPE_SIZE]; 6436 pci_intr_type_t intr_type, max_type; 6437 char intrbuf[PCI_INTRSTR_LEN]; 6438 const char *intrstr = NULL; 6439 6440 /* We allocate a single interrupt resource */ 6441 max_type = PCI_INTR_TYPE_MSI; 6442 counts[PCI_INTR_TYPE_MSIX] = 0; 6443 counts[PCI_INTR_TYPE_MSI] = 6444 (adapter->feat_en & IXGBE_FEATURE_MSI) ? 1 : 0; 6445 /* Check not feat_en but feat_cap to fallback to INTx */ 6446 counts[PCI_INTR_TYPE_INTX] = 6447 (adapter->feat_cap & IXGBE_FEATURE_LEGACY_IRQ) ? 1 : 0; 6448 6449 alloc_retry: 6450 if (pci_intr_alloc(pa, &adapter->osdep.intrs, counts, max_type) != 0) { 6451 aprint_error_dev(dev, "couldn't alloc interrupt\n"); 6452 return ENXIO; 6453 } 6454 adapter->osdep.nintrs = 1; 6455 intrstr = pci_intr_string(adapter->osdep.pc, adapter->osdep.intrs[0], 6456 intrbuf, sizeof(intrbuf)); 6457 adapter->osdep.ihs[0] = pci_intr_establish_xname(adapter->osdep.pc, 6458 adapter->osdep.intrs[0], IPL_NET, ixgbe_legacy_irq, que, 6459 device_xname(dev)); 6460 intr_type = pci_intr_type(adapter->osdep.pc, adapter->osdep.intrs[0]); 6461 if (adapter->osdep.ihs[0] == NULL) { 6462 aprint_error_dev(dev,"unable to establish %s\n", 6463 (intr_type == PCI_INTR_TYPE_MSI) ? "MSI" : "INTx"); 6464 pci_intr_release(adapter->osdep.pc, adapter->osdep.intrs, 1); 6465 adapter->osdep.intrs = NULL; 6466 switch (intr_type) { 6467 case PCI_INTR_TYPE_MSI: 6468 /* The next try is for INTx: Disable MSI */ 6469 max_type = PCI_INTR_TYPE_INTX; 6470 counts[PCI_INTR_TYPE_INTX] = 1; 6471 adapter->feat_en &= ~IXGBE_FEATURE_MSI; 6472 if (adapter->feat_cap & IXGBE_FEATURE_LEGACY_IRQ) { 6473 adapter->feat_en |= IXGBE_FEATURE_LEGACY_IRQ; 6474 goto alloc_retry; 6475 } else 6476 break; 6477 case PCI_INTR_TYPE_INTX: 6478 default: 6479 /* See below */ 6480 break; 6481 } 6482 } 6483 if (intr_type == PCI_INTR_TYPE_INTX) { 6484 adapter->feat_en &= ~IXGBE_FEATURE_MSI; 6485 adapter->feat_en |= IXGBE_FEATURE_LEGACY_IRQ; 6486 } 6487 if (adapter->osdep.ihs[0] == NULL) { 6488 aprint_error_dev(dev, 6489 "couldn't establish interrupt%s%s\n", 6490 intrstr ? " at " : "", intrstr ? intrstr : ""); 6491 pci_intr_release(adapter->osdep.pc, adapter->osdep.intrs, 1); 6492 adapter->osdep.intrs = NULL; 6493 return ENXIO; 6494 } 6495 aprint_normal_dev(dev, "interrupting at %s\n", intrstr); 6496 /* 6497 * Try allocating a fast interrupt and the associated deferred 6498 * processing contexts. 6499 */ 6500 if (!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX)) 6501 txr->txr_si = 6502 softint_establish(SOFTINT_NET | IXGBE_SOFTINFT_FLAGS, 6503 ixgbe_deferred_mq_start, txr); 6504 que->que_si = softint_establish(SOFTINT_NET | IXGBE_SOFTINFT_FLAGS, 6505 ixgbe_handle_que, que); 6506 6507 if ((!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX) 6508 & (txr->txr_si == NULL)) || (que->que_si == NULL)) { 6509 aprint_error_dev(dev, 6510 "could not establish software interrupts\n"); 6511 6512 return ENXIO; 6513 } 6514 /* For simplicity in the handlers */ 6515 adapter->active_queues = IXGBE_EIMS_ENABLE_MASK; 6516 6517 return (0); 6518 } /* ixgbe_allocate_legacy */ 6519 6520 /************************************************************************ 6521 * ixgbe_allocate_msix - Setup MSI-X Interrupt resources and handlers 6522 ************************************************************************/ 6523 static int 6524 ixgbe_allocate_msix(struct adapter *adapter, const struct pci_attach_args *pa) 6525 { 6526 device_t dev = adapter->dev; 6527 struct ix_queue *que = adapter->queues; 6528 struct tx_ring *txr = adapter->tx_rings; 6529 pci_chipset_tag_t pc; 6530 char intrbuf[PCI_INTRSTR_LEN]; 6531 char intr_xname[32]; 6532 char wqname[MAXCOMLEN]; 6533 const char *intrstr = NULL; 6534 int error, vector = 0; 6535 int cpu_id = 0; 6536 kcpuset_t *affinity; 6537 #ifdef RSS 6538 unsigned int rss_buckets = 0; 6539 kcpuset_t cpu_mask; 6540 #endif 6541 6542 pc = adapter->osdep.pc; 6543 #ifdef RSS 6544 /* 6545 * If we're doing RSS, the number of queues needs to 6546 * match the number of RSS buckets that are configured. 6547 * 6548 * + If there's more queues than RSS buckets, we'll end 6549 * up with queues that get no traffic. 6550 * 6551 * + If there's more RSS buckets than queues, we'll end 6552 * up having multiple RSS buckets map to the same queue, 6553 * so there'll be some contention. 6554 */ 6555 rss_buckets = rss_getnumbuckets(); 6556 if ((adapter->feat_en & IXGBE_FEATURE_RSS) && 6557 (adapter->num_queues != rss_buckets)) { 6558 device_printf(dev, 6559 "%s: number of queues (%d) != number of RSS buckets (%d)" 6560 "; performance will be impacted.\n", 6561 __func__, adapter->num_queues, rss_buckets); 6562 } 6563 #endif 6564 6565 adapter->osdep.nintrs = adapter->num_queues + 1; 6566 if (pci_msix_alloc_exact(pa, &adapter->osdep.intrs, 6567 adapter->osdep.nintrs) != 0) { 6568 aprint_error_dev(dev, 6569 "failed to allocate MSI-X interrupt\n"); 6570 return (ENXIO); 6571 } 6572 6573 kcpuset_create(&affinity, false); 6574 for (int i = 0; i < adapter->num_queues; i++, vector++, que++, txr++) { 6575 snprintf(intr_xname, sizeof(intr_xname), "%s TXRX%d", 6576 device_xname(dev), i); 6577 intrstr = pci_intr_string(pc, adapter->osdep.intrs[i], intrbuf, 6578 sizeof(intrbuf)); 6579 #ifdef IXGBE_MPSAFE 6580 pci_intr_setattr(pc, &adapter->osdep.intrs[i], PCI_INTR_MPSAFE, 6581 true); 6582 #endif 6583 /* Set the handler function */ 6584 que->res = adapter->osdep.ihs[i] = pci_intr_establish_xname(pc, 6585 adapter->osdep.intrs[i], IPL_NET, ixgbe_msix_que, que, 6586 intr_xname); 6587 if (que->res == NULL) { 6588 aprint_error_dev(dev, 6589 "Failed to register QUE handler\n"); 6590 error = ENXIO; 6591 goto err_out; 6592 } 6593 que->msix = vector; 6594 adapter->active_queues |= 1ULL << que->msix; 6595 6596 if (adapter->feat_en & IXGBE_FEATURE_RSS) { 6597 #ifdef RSS 6598 /* 6599 * The queue ID is used as the RSS layer bucket ID. 6600 * We look up the queue ID -> RSS CPU ID and select 6601 * that. 6602 */ 6603 cpu_id = rss_getcpu(i % rss_getnumbuckets()); 6604 CPU_SETOF(cpu_id, &cpu_mask); 6605 #endif 6606 } else { 6607 /* 6608 * Bind the MSI-X vector, and thus the 6609 * rings to the corresponding CPU. 6610 * 6611 * This just happens to match the default RSS 6612 * round-robin bucket -> queue -> CPU allocation. 6613 */ 6614 if (adapter->num_queues > 1) 6615 cpu_id = i; 6616 } 6617 /* Round-robin affinity */ 6618 kcpuset_zero(affinity); 6619 kcpuset_set(affinity, cpu_id % ncpu); 6620 error = interrupt_distribute(adapter->osdep.ihs[i], affinity, 6621 NULL); 6622 aprint_normal_dev(dev, "for TX/RX, interrupting at %s", 6623 intrstr); 6624 if (error == 0) { 6625 #if 1 /* def IXGBE_DEBUG */ 6626 #ifdef RSS 6627 aprintf_normal(", bound RSS bucket %d to CPU %d", i, 6628 cpu_id % ncpu); 6629 #else 6630 aprint_normal(", bound queue %d to cpu %d", i, 6631 cpu_id % ncpu); 6632 #endif 6633 #endif /* IXGBE_DEBUG */ 6634 } 6635 aprint_normal("\n"); 6636 6637 if (!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX)) { 6638 txr->txr_si = softint_establish( 6639 SOFTINT_NET | IXGBE_SOFTINFT_FLAGS, 6640 ixgbe_deferred_mq_start, txr); 6641 if (txr->txr_si == NULL) { 6642 aprint_error_dev(dev, 6643 "couldn't establish software interrupt\n"); 6644 error = ENXIO; 6645 goto err_out; 6646 } 6647 } 6648 que->que_si 6649 = softint_establish(SOFTINT_NET | IXGBE_SOFTINFT_FLAGS, 6650 ixgbe_handle_que, que); 6651 if (que->que_si == NULL) { 6652 aprint_error_dev(dev, 6653 "couldn't establish software interrupt\n"); 6654 error = ENXIO; 6655 goto err_out; 6656 } 6657 } 6658 snprintf(wqname, sizeof(wqname), "%sdeferTx", device_xname(dev)); 6659 error = workqueue_create(&adapter->txr_wq, wqname, 6660 ixgbe_deferred_mq_start_work, adapter, IXGBE_WORKQUEUE_PRI, IPL_NET, 6661 IXGBE_WORKQUEUE_FLAGS); 6662 if (error) { 6663 aprint_error_dev(dev, "couldn't create workqueue for deferred Tx\n"); 6664 goto err_out; 6665 } 6666 adapter->txr_wq_enqueued = percpu_alloc(sizeof(u_int)); 6667 6668 snprintf(wqname, sizeof(wqname), "%sTxRx", device_xname(dev)); 6669 error = workqueue_create(&adapter->que_wq, wqname, 6670 ixgbe_handle_que_work, adapter, IXGBE_WORKQUEUE_PRI, IPL_NET, 6671 IXGBE_WORKQUEUE_FLAGS); 6672 if (error) { 6673 aprint_error_dev(dev, "couldn't create workqueue for Tx/Rx\n"); 6674 goto err_out; 6675 } 6676 6677 /* and Link */ 6678 cpu_id++; 6679 snprintf(intr_xname, sizeof(intr_xname), "%s link", device_xname(dev)); 6680 adapter->vector = vector; 6681 intrstr = pci_intr_string(pc, adapter->osdep.intrs[vector], intrbuf, 6682 sizeof(intrbuf)); 6683 #ifdef IXGBE_MPSAFE 6684 pci_intr_setattr(pc, &adapter->osdep.intrs[vector], PCI_INTR_MPSAFE, 6685 true); 6686 #endif 6687 /* Set the link handler function */ 6688 adapter->osdep.ihs[vector] = pci_intr_establish_xname(pc, 6689 adapter->osdep.intrs[vector], IPL_NET, ixgbe_msix_link, adapter, 6690 intr_xname); 6691 if (adapter->osdep.ihs[vector] == NULL) { 6692 aprint_error_dev(dev, "Failed to register LINK handler\n"); 6693 error = ENXIO; 6694 goto err_out; 6695 } 6696 /* Round-robin affinity */ 6697 kcpuset_zero(affinity); 6698 kcpuset_set(affinity, cpu_id % ncpu); 6699 error = interrupt_distribute(adapter->osdep.ihs[vector], affinity, 6700 NULL); 6701 6702 aprint_normal_dev(dev, 6703 "for link, interrupting at %s", intrstr); 6704 if (error == 0) 6705 aprint_normal(", affinity to cpu %d\n", cpu_id % ncpu); 6706 else 6707 aprint_normal("\n"); 6708 6709 if (adapter->feat_cap & IXGBE_FEATURE_SRIOV) { 6710 adapter->mbx_si = 6711 softint_establish(SOFTINT_NET | IXGBE_SOFTINFT_FLAGS, 6712 ixgbe_handle_mbx, adapter); 6713 if (adapter->mbx_si == NULL) { 6714 aprint_error_dev(dev, 6715 "could not establish software interrupts\n"); 6716 6717 error = ENXIO; 6718 goto err_out; 6719 } 6720 } 6721 6722 kcpuset_destroy(affinity); 6723 aprint_normal_dev(dev, 6724 "Using MSI-X interrupts with %d vectors\n", vector + 1); 6725 6726 return (0); 6727 6728 err_out: 6729 kcpuset_destroy(affinity); 6730 ixgbe_free_softint(adapter); 6731 ixgbe_free_pciintr_resources(adapter); 6732 return (error); 6733 } /* ixgbe_allocate_msix */ 6734 6735 /************************************************************************ 6736 * ixgbe_configure_interrupts 6737 * 6738 * Setup MSI-X, MSI, or legacy interrupts (in that order). 6739 * This will also depend on user settings. 6740 ************************************************************************/ 6741 static int 6742 ixgbe_configure_interrupts(struct adapter *adapter) 6743 { 6744 device_t dev = adapter->dev; 6745 struct ixgbe_mac_info *mac = &adapter->hw.mac; 6746 int want, queues, msgs; 6747 6748 /* Default to 1 queue if MSI-X setup fails */ 6749 adapter->num_queues = 1; 6750 6751 /* Override by tuneable */ 6752 if (!(adapter->feat_cap & IXGBE_FEATURE_MSIX)) 6753 goto msi; 6754 6755 /* 6756 * NetBSD only: Use single vector MSI when number of CPU is 1 to save 6757 * interrupt slot. 6758 */ 6759 if (ncpu == 1) 6760 goto msi; 6761 6762 /* First try MSI-X */ 6763 msgs = pci_msix_count(adapter->osdep.pc, adapter->osdep.tag); 6764 msgs = MIN(msgs, IXG_MAX_NINTR); 6765 if (msgs < 2) 6766 goto msi; 6767 6768 adapter->msix_mem = (void *)1; /* XXX */ 6769 6770 /* Figure out a reasonable auto config value */ 6771 queues = (ncpu > (msgs - 1)) ? (msgs - 1) : ncpu; 6772 6773 #ifdef RSS 6774 /* If we're doing RSS, clamp at the number of RSS buckets */ 6775 if (adapter->feat_en & IXGBE_FEATURE_RSS) 6776 queues = uimin(queues, rss_getnumbuckets()); 6777 #endif 6778 if (ixgbe_num_queues > queues) { 6779 aprint_error_dev(adapter->dev, "ixgbe_num_queues (%d) is too large, using reduced amount (%d).\n", ixgbe_num_queues, queues); 6780 ixgbe_num_queues = queues; 6781 } 6782 6783 if (ixgbe_num_queues != 0) 6784 queues = ixgbe_num_queues; 6785 else 6786 queues = uimin(queues, 6787 uimin(mac->max_tx_queues, mac->max_rx_queues)); 6788 6789 /* reflect correct sysctl value */ 6790 ixgbe_num_queues = queues; 6791 6792 /* 6793 * Want one vector (RX/TX pair) per queue 6794 * plus an additional for Link. 6795 */ 6796 want = queues + 1; 6797 if (msgs >= want) 6798 msgs = want; 6799 else { 6800 aprint_error_dev(dev, "MSI-X Configuration Problem, " 6801 "%d vectors but %d queues wanted!\n", 6802 msgs, want); 6803 goto msi; 6804 } 6805 adapter->num_queues = queues; 6806 adapter->feat_en |= IXGBE_FEATURE_MSIX; 6807 return (0); 6808 6809 /* 6810 * MSI-X allocation failed or provided us with 6811 * less vectors than needed. Free MSI-X resources 6812 * and we'll try enabling MSI. 6813 */ 6814 msi: 6815 /* Without MSI-X, some features are no longer supported */ 6816 adapter->feat_cap &= ~IXGBE_FEATURE_RSS; 6817 adapter->feat_en &= ~IXGBE_FEATURE_RSS; 6818 adapter->feat_cap &= ~IXGBE_FEATURE_SRIOV; 6819 adapter->feat_en &= ~IXGBE_FEATURE_SRIOV; 6820 6821 msgs = pci_msi_count(adapter->osdep.pc, adapter->osdep.tag); 6822 adapter->msix_mem = NULL; /* XXX */ 6823 if (msgs > 1) 6824 msgs = 1; 6825 if (msgs != 0) { 6826 msgs = 1; 6827 adapter->feat_en |= IXGBE_FEATURE_MSI; 6828 return (0); 6829 } 6830 6831 if (!(adapter->feat_cap & IXGBE_FEATURE_LEGACY_IRQ)) { 6832 aprint_error_dev(dev, 6833 "Device does not support legacy interrupts.\n"); 6834 return 1; 6835 } 6836 6837 adapter->feat_en |= IXGBE_FEATURE_LEGACY_IRQ; 6838 6839 return (0); 6840 } /* ixgbe_configure_interrupts */ 6841 6842 6843 /************************************************************************ 6844 * ixgbe_handle_link - Tasklet for MSI-X Link interrupts 6845 * 6846 * Done outside of interrupt context since the driver might sleep 6847 ************************************************************************/ 6848 static void 6849 ixgbe_handle_link(void *context) 6850 { 6851 struct adapter *adapter = context; 6852 struct ixgbe_hw *hw = &adapter->hw; 6853 6854 IXGBE_CORE_LOCK(adapter); 6855 ++adapter->link_sicount.ev_count; 6856 ixgbe_check_link(hw, &adapter->link_speed, &adapter->link_up, 0); 6857 ixgbe_update_link_status(adapter); 6858 6859 /* Re-enable link interrupts */ 6860 IXGBE_WRITE_REG(hw, IXGBE_EIMS, IXGBE_EIMS_LSC); 6861 6862 IXGBE_CORE_UNLOCK(adapter); 6863 } /* ixgbe_handle_link */ 6864 6865 #if 0 6866 /************************************************************************ 6867 * ixgbe_rearm_queues 6868 ************************************************************************/ 6869 static __inline void 6870 ixgbe_rearm_queues(struct adapter *adapter, u64 queues) 6871 { 6872 u32 mask; 6873 6874 switch (adapter->hw.mac.type) { 6875 case ixgbe_mac_82598EB: 6876 mask = (IXGBE_EIMS_RTX_QUEUE & queues); 6877 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS, mask); 6878 break; 6879 case ixgbe_mac_82599EB: 6880 case ixgbe_mac_X540: 6881 case ixgbe_mac_X550: 6882 case ixgbe_mac_X550EM_x: 6883 case ixgbe_mac_X550EM_a: 6884 mask = (queues & 0xFFFFFFFF); 6885 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS_EX(0), mask); 6886 mask = (queues >> 32); 6887 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS_EX(1), mask); 6888 break; 6889 default: 6890 break; 6891 } 6892 } /* ixgbe_rearm_queues */ 6893 #endif 6894
Indexes created Fri Sep 26 20:09:58 GMT 2025