ixgbe.c revision 1.217
1 /* $NetBSD: ixgbe.c,v 1.217 2019/12/17 05:49:01 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_rxfilter(struct adapter *); 215 static void ixgbe_update_link_status(struct adapter *); 216 static void ixgbe_set_ivar(struct adapter *, u8, u8, s8); 217 static void ixgbe_configure_ivars(struct adapter *); 218 static u8 * ixgbe_mc_array_itr(struct ixgbe_hw *, u8 **, u32 *); 219 static void ixgbe_eitr_write(struct adapter *, uint32_t, uint32_t); 220 221 static void ixgbe_setup_vlan_hw_tagging(struct adapter *); 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(struct adapter *, u16); 225 static int ixgbe_unregister_vlan(struct adapter *, 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_WAITOK); 898 899 /* Enable WoL (if supported) */ 900 ixgbe_check_wol_support(adapter); 901 902 /* Register for VLAN events */ 903 ether_set_vlan_cb(&adapter->osdep.ec, ixgbe_vlan_cb); 904 905 /* Verify adapter fan is still functional (if applicable) */ 906 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) { 907 u32 esdp = IXGBE_READ_REG(hw, IXGBE_ESDP); 908 ixgbe_check_fan_failure(adapter, esdp, FALSE); 909 } 910 911 /* Set an initial default flow control value */ 912 hw->fc.requested_mode = ixgbe_flow_control; 913 914 /* Sysctls for limiting the amount of work done in the taskqueues */ 915 ixgbe_set_sysctl_value(adapter, "rx_processing_limit", 916 "max number of rx packets to process", 917 &adapter->rx_process_limit, ixgbe_rx_process_limit); 918 919 ixgbe_set_sysctl_value(adapter, "tx_processing_limit", 920 "max number of tx packets to process", 921 &adapter->tx_process_limit, ixgbe_tx_process_limit); 922 923 /* Do descriptor calc and sanity checks */ 924 if (((ixgbe_txd * sizeof(union ixgbe_adv_tx_desc)) % DBA_ALIGN) != 0 || 925 ixgbe_txd < MIN_TXD || ixgbe_txd > MAX_TXD) { 926 aprint_error_dev(dev, "TXD config issue, using default!\n"); 927 adapter->num_tx_desc = DEFAULT_TXD; 928 } else 929 adapter->num_tx_desc = ixgbe_txd; 930 931 if (((ixgbe_rxd * sizeof(union ixgbe_adv_rx_desc)) % DBA_ALIGN) != 0 || 932 ixgbe_rxd < MIN_RXD || ixgbe_rxd > MAX_RXD) { 933 aprint_error_dev(dev, "RXD config issue, using default!\n"); 934 adapter->num_rx_desc = DEFAULT_RXD; 935 } else 936 adapter->num_rx_desc = ixgbe_rxd; 937 938 /* Allocate our TX/RX Queues */ 939 if (ixgbe_allocate_queues(adapter)) { 940 error = ENOMEM; 941 goto err_out; 942 } 943 944 hw->phy.reset_if_overtemp = TRUE; 945 error = ixgbe_reset_hw(hw); 946 hw->phy.reset_if_overtemp = FALSE; 947 if (error == IXGBE_ERR_SFP_NOT_PRESENT) { 948 /* 949 * No optics in this port, set up 950 * so the timer routine will probe 951 * for later insertion. 952 */ 953 adapter->sfp_probe = TRUE; 954 error = IXGBE_SUCCESS; 955 } else if (error == IXGBE_ERR_SFP_NOT_SUPPORTED) { 956 aprint_error_dev(dev, "Unsupported SFP+ module detected!\n"); 957 error = EIO; 958 goto err_late; 959 } else if (error) { 960 aprint_error_dev(dev, "Hardware initialization failed\n"); 961 error = EIO; 962 goto err_late; 963 } 964 965 /* Make sure we have a good EEPROM before we read from it */ 966 if (ixgbe_validate_eeprom_checksum(&adapter->hw, NULL) < 0) { 967 aprint_error_dev(dev, "The EEPROM Checksum Is Not Valid\n"); 968 error = EIO; 969 goto err_late; 970 } 971 972 aprint_normal("%s:", device_xname(dev)); 973 /* NVM Image Version */ 974 high = low = 0; 975 switch (hw->mac.type) { 976 case ixgbe_mac_X540: 977 case ixgbe_mac_X550EM_a: 978 hw->eeprom.ops.read(hw, IXGBE_NVM_IMAGE_VER, &nvmreg); 979 if (nvmreg == 0xffff) 980 break; 981 high = (nvmreg >> 12) & 0x0f; 982 low = (nvmreg >> 4) & 0xff; 983 id = nvmreg & 0x0f; 984 aprint_normal(" NVM Image Version %u.", high); 985 if (hw->mac.type == ixgbe_mac_X540) 986 str = "%x"; 987 else 988 str = "%02x"; 989 aprint_normal(str, low); 990 aprint_normal(" ID 0x%x,", id); 991 break; 992 case ixgbe_mac_X550EM_x: 993 case ixgbe_mac_X550: 994 hw->eeprom.ops.read(hw, IXGBE_NVM_IMAGE_VER, &nvmreg); 995 if (nvmreg == 0xffff) 996 break; 997 high = (nvmreg >> 12) & 0x0f; 998 low = nvmreg & 0xff; 999 aprint_normal(" NVM Image Version %u.%02x,", high, low); 1000 break; 1001 default: 1002 break; 1003 } 1004 hw->eeprom.nvm_image_ver_high = high; 1005 hw->eeprom.nvm_image_ver_low = low; 1006 1007 /* PHY firmware revision */ 1008 switch (hw->mac.type) { 1009 case ixgbe_mac_X540: 1010 case ixgbe_mac_X550: 1011 hw->eeprom.ops.read(hw, IXGBE_PHYFW_REV, &nvmreg); 1012 if (nvmreg == 0xffff) 1013 break; 1014 high = (nvmreg >> 12) & 0x0f; 1015 low = (nvmreg >> 4) & 0xff; 1016 id = nvmreg & 0x000f; 1017 aprint_normal(" PHY FW Revision %u.", high); 1018 if (hw->mac.type == ixgbe_mac_X540) 1019 str = "%x"; 1020 else 1021 str = "%02x"; 1022 aprint_normal(str, low); 1023 aprint_normal(" ID 0x%x,", id); 1024 break; 1025 default: 1026 break; 1027 } 1028 1029 /* NVM Map version & OEM NVM Image version */ 1030 switch (hw->mac.type) { 1031 case ixgbe_mac_X550: 1032 case ixgbe_mac_X550EM_x: 1033 case ixgbe_mac_X550EM_a: 1034 hw->eeprom.ops.read(hw, IXGBE_NVM_MAP_VER, &nvmreg); 1035 if (nvmreg != 0xffff) { 1036 high = (nvmreg >> 12) & 0x0f; 1037 low = nvmreg & 0x00ff; 1038 aprint_normal(" NVM Map version %u.%02x,", high, low); 1039 } 1040 hw->eeprom.ops.read(hw, IXGBE_OEM_NVM_IMAGE_VER, &nvmreg); 1041 if (nvmreg != 0xffff) { 1042 high = (nvmreg >> 12) & 0x0f; 1043 low = nvmreg & 0x00ff; 1044 aprint_verbose(" OEM NVM Image version %u.%02x,", high, 1045 low); 1046 } 1047 break; 1048 default: 1049 break; 1050 } 1051 1052 /* Print the ETrackID */ 1053 hw->eeprom.ops.read(hw, IXGBE_ETRACKID_H, &high); 1054 hw->eeprom.ops.read(hw, IXGBE_ETRACKID_L, &low); 1055 aprint_normal(" ETrackID %08x\n", ((uint32_t)high << 16) | low); 1056 1057 if (adapter->feat_en & IXGBE_FEATURE_MSIX) { 1058 error = ixgbe_allocate_msix(adapter, pa); 1059 if (error) { 1060 /* Free allocated queue structures first */ 1061 ixgbe_free_transmit_structures(adapter); 1062 ixgbe_free_receive_structures(adapter); 1063 free(adapter->queues, M_DEVBUF); 1064 1065 /* Fallback to legacy interrupt */ 1066 adapter->feat_en &= ~IXGBE_FEATURE_MSIX; 1067 if (adapter->feat_cap & IXGBE_FEATURE_MSI) 1068 adapter->feat_en |= IXGBE_FEATURE_MSI; 1069 adapter->num_queues = 1; 1070 1071 /* Allocate our TX/RX Queues again */ 1072 if (ixgbe_allocate_queues(adapter)) { 1073 error = ENOMEM; 1074 goto err_out; 1075 } 1076 } 1077 } 1078 /* Recovery mode */ 1079 switch (adapter->hw.mac.type) { 1080 case ixgbe_mac_X550: 1081 case ixgbe_mac_X550EM_x: 1082 case ixgbe_mac_X550EM_a: 1083 /* >= 2.00 */ 1084 if (hw->eeprom.nvm_image_ver_high >= 2) { 1085 adapter->feat_cap |= IXGBE_FEATURE_RECOVERY_MODE; 1086 adapter->feat_en |= IXGBE_FEATURE_RECOVERY_MODE; 1087 } 1088 break; 1089 default: 1090 break; 1091 } 1092 1093 if ((adapter->feat_en & IXGBE_FEATURE_MSIX) == 0) 1094 error = ixgbe_allocate_legacy(adapter, pa); 1095 if (error) 1096 goto err_late; 1097 1098 /* Tasklets for Link, SFP, Multispeed Fiber and Flow Director */ 1099 adapter->link_si = softint_establish(SOFTINT_NET |IXGBE_SOFTINFT_FLAGS, 1100 ixgbe_handle_link, adapter); 1101 adapter->mod_si = softint_establish(SOFTINT_NET | IXGBE_SOFTINFT_FLAGS, 1102 ixgbe_handle_mod, adapter); 1103 adapter->msf_si = softint_establish(SOFTINT_NET | IXGBE_SOFTINFT_FLAGS, 1104 ixgbe_handle_msf, adapter); 1105 adapter->phy_si = softint_establish(SOFTINT_NET | IXGBE_SOFTINFT_FLAGS, 1106 ixgbe_handle_phy, adapter); 1107 if (adapter->feat_en & IXGBE_FEATURE_FDIR) 1108 adapter->fdir_si = 1109 softint_establish(SOFTINT_NET | IXGBE_SOFTINFT_FLAGS, 1110 ixgbe_reinit_fdir, adapter); 1111 if ((adapter->link_si == NULL) || (adapter->mod_si == NULL) 1112 || (adapter->msf_si == NULL) || (adapter->phy_si == NULL) 1113 || ((adapter->feat_en & IXGBE_FEATURE_FDIR) 1114 && (adapter->fdir_si == NULL))) { 1115 aprint_error_dev(dev, 1116 "could not establish software interrupts ()\n"); 1117 goto err_out; 1118 } 1119 1120 error = ixgbe_start_hw(hw); 1121 switch (error) { 1122 case IXGBE_ERR_EEPROM_VERSION: 1123 aprint_error_dev(dev, "This device is a pre-production adapter/" 1124 "LOM. Please be aware there may be issues associated " 1125 "with your hardware.\nIf you are experiencing problems " 1126 "please contact your Intel or hardware representative " 1127 "who provided you with this hardware.\n"); 1128 break; 1129 case IXGBE_ERR_SFP_NOT_SUPPORTED: 1130 aprint_error_dev(dev, "Unsupported SFP+ Module\n"); 1131 error = EIO; 1132 goto err_late; 1133 case IXGBE_ERR_SFP_NOT_PRESENT: 1134 aprint_error_dev(dev, "No SFP+ Module found\n"); 1135 /* falls thru */ 1136 default: 1137 break; 1138 } 1139 1140 /* Setup OS specific network interface */ 1141 if (ixgbe_setup_interface(dev, adapter) != 0) 1142 goto err_late; 1143 1144 /* 1145 * Print PHY ID only for copper PHY. On device which has SFP(+) cage 1146 * and a module is inserted, phy.id is not MII PHY id but SFF 8024 ID. 1147 */ 1148 if (hw->phy.media_type == ixgbe_media_type_copper) { 1149 uint16_t id1, id2; 1150 int oui, model, rev; 1151 const char *descr; 1152 1153 id1 = hw->phy.id >> 16; 1154 id2 = hw->phy.id & 0xffff; 1155 oui = MII_OUI(id1, id2); 1156 model = MII_MODEL(id2); 1157 rev = MII_REV(id2); 1158 if ((descr = mii_get_descr(oui, model)) != NULL) 1159 aprint_normal_dev(dev, 1160 "PHY: %s (OUI 0x%06x, model 0x%04x), rev. %d\n", 1161 descr, oui, model, rev); 1162 else 1163 aprint_normal_dev(dev, 1164 "PHY OUI 0x%06x, model 0x%04x, rev. %d\n", 1165 oui, model, rev); 1166 } 1167 1168 /* Enable the optics for 82599 SFP+ fiber */ 1169 ixgbe_enable_tx_laser(hw); 1170 1171 /* Enable EEE power saving */ 1172 if (adapter->feat_cap & IXGBE_FEATURE_EEE) 1173 hw->mac.ops.setup_eee(hw, 1174 adapter->feat_en & IXGBE_FEATURE_EEE); 1175 1176 /* Enable power to the phy. */ 1177 ixgbe_set_phy_power(hw, TRUE); 1178 1179 /* Initialize statistics */ 1180 ixgbe_update_stats_counters(adapter); 1181 1182 /* Check PCIE slot type/speed/width */ 1183 ixgbe_get_slot_info(adapter); 1184 1185 /* 1186 * Do time init and sysctl init here, but 1187 * only on the first port of a bypass adapter. 1188 */ 1189 ixgbe_bypass_init(adapter); 1190 1191 /* Set an initial dmac value */ 1192 adapter->dmac = 0; 1193 /* Set initial advertised speeds (if applicable) */ 1194 adapter->advertise = ixgbe_get_advertise(adapter); 1195 1196 if (adapter->feat_cap & IXGBE_FEATURE_SRIOV) 1197 ixgbe_define_iov_schemas(dev, &error); 1198 1199 /* Add sysctls */ 1200 ixgbe_add_device_sysctls(adapter); 1201 ixgbe_add_hw_stats(adapter); 1202 1203 /* For Netmap */ 1204 adapter->init_locked = ixgbe_init_locked; 1205 adapter->stop_locked = ixgbe_stop; 1206 1207 if (adapter->feat_en & IXGBE_FEATURE_NETMAP) 1208 ixgbe_netmap_attach(adapter); 1209 1210 snprintb(buf, sizeof(buf), IXGBE_FEATURE_FLAGS, adapter->feat_cap); 1211 aprint_verbose_dev(dev, "feature cap %s\n", buf); 1212 snprintb(buf, sizeof(buf), IXGBE_FEATURE_FLAGS, adapter->feat_en); 1213 aprint_verbose_dev(dev, "feature ena %s\n", buf); 1214 1215 if (pmf_device_register(dev, ixgbe_suspend, ixgbe_resume)) 1216 pmf_class_network_register(dev, adapter->ifp); 1217 else 1218 aprint_error_dev(dev, "couldn't establish power handler\n"); 1219 1220 /* Init recovery mode timer and state variable */ 1221 if (adapter->feat_en & IXGBE_FEATURE_RECOVERY_MODE) { 1222 adapter->recovery_mode = 0; 1223 1224 /* Set up the timer callout */ 1225 callout_init(&adapter->recovery_mode_timer, 1226 IXGBE_CALLOUT_FLAGS); 1227 1228 /* Start the task */ 1229 callout_reset(&adapter->recovery_mode_timer, hz, 1230 ixgbe_recovery_mode_timer, adapter); 1231 } 1232 1233 INIT_DEBUGOUT("ixgbe_attach: end"); 1234 adapter->osdep.attached = true; 1235 1236 return; 1237 1238 err_late: 1239 ixgbe_free_transmit_structures(adapter); 1240 ixgbe_free_receive_structures(adapter); 1241 free(adapter->queues, M_DEVBUF); 1242 err_out: 1243 ctrl_ext = IXGBE_READ_REG(&adapter->hw, IXGBE_CTRL_EXT); 1244 ctrl_ext &= ~IXGBE_CTRL_EXT_DRV_LOAD; 1245 IXGBE_WRITE_REG(&adapter->hw, IXGBE_CTRL_EXT, ctrl_ext); 1246 ixgbe_free_softint(adapter); 1247 ixgbe_free_pci_resources(adapter); 1248 if (adapter->mta != NULL) 1249 free(adapter->mta, M_DEVBUF); 1250 IXGBE_CORE_LOCK_DESTROY(adapter); 1251 1252 return; 1253 } /* ixgbe_attach */ 1254 1255 /************************************************************************ 1256 * ixgbe_check_wol_support 1257 * 1258 * Checks whether the adapter's ports are capable of 1259 * Wake On LAN by reading the adapter's NVM. 1260 * 1261 * Sets each port's hw->wol_enabled value depending 1262 * on the value read here. 1263 ************************************************************************/ 1264 static void 1265 ixgbe_check_wol_support(struct adapter *adapter) 1266 { 1267 struct ixgbe_hw *hw = &adapter->hw; 1268 u16 dev_caps = 0; 1269 1270 /* Find out WoL support for port */ 1271 adapter->wol_support = hw->wol_enabled = 0; 1272 ixgbe_get_device_caps(hw, &dev_caps); 1273 if ((dev_caps & IXGBE_DEVICE_CAPS_WOL_PORT0_1) || 1274 ((dev_caps & IXGBE_DEVICE_CAPS_WOL_PORT0) && 1275 hw->bus.func == 0)) 1276 adapter->wol_support = hw->wol_enabled = 1; 1277 1278 /* Save initial wake up filter configuration */ 1279 adapter->wufc = IXGBE_READ_REG(hw, IXGBE_WUFC); 1280 1281 return; 1282 } /* ixgbe_check_wol_support */ 1283 1284 /************************************************************************ 1285 * ixgbe_setup_interface 1286 * 1287 * Setup networking device structure and register an interface. 1288 ************************************************************************/ 1289 static int 1290 ixgbe_setup_interface(device_t dev, struct adapter *adapter) 1291 { 1292 struct ethercom *ec = &adapter->osdep.ec; 1293 struct ifnet *ifp; 1294 int rv; 1295 1296 INIT_DEBUGOUT("ixgbe_setup_interface: begin"); 1297 1298 ifp = adapter->ifp = &ec->ec_if; 1299 strlcpy(ifp->if_xname, device_xname(dev), IFNAMSIZ); 1300 ifp->if_baudrate = IF_Gbps(10); 1301 ifp->if_init = ixgbe_init; 1302 ifp->if_stop = ixgbe_ifstop; 1303 ifp->if_softc = adapter; 1304 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 1305 #ifdef IXGBE_MPSAFE 1306 ifp->if_extflags = IFEF_MPSAFE; 1307 #endif 1308 ifp->if_ioctl = ixgbe_ioctl; 1309 #if __FreeBSD_version >= 1100045 1310 /* TSO parameters */ 1311 ifp->if_hw_tsomax = 65518; 1312 ifp->if_hw_tsomaxsegcount = IXGBE_82599_SCATTER; 1313 ifp->if_hw_tsomaxsegsize = 2048; 1314 #endif 1315 if (adapter->feat_en & IXGBE_FEATURE_LEGACY_TX) { 1316 #if 0 1317 ixgbe_start_locked = ixgbe_legacy_start_locked; 1318 #endif 1319 } else { 1320 ifp->if_transmit = ixgbe_mq_start; 1321 #if 0 1322 ixgbe_start_locked = ixgbe_mq_start_locked; 1323 #endif 1324 } 1325 ifp->if_start = ixgbe_legacy_start; 1326 IFQ_SET_MAXLEN(&ifp->if_snd, adapter->num_tx_desc - 2); 1327 IFQ_SET_READY(&ifp->if_snd); 1328 1329 rv = if_initialize(ifp); 1330 if (rv != 0) { 1331 aprint_error_dev(dev, "if_initialize failed(%d)\n", rv); 1332 return rv; 1333 } 1334 adapter->ipq = if_percpuq_create(&adapter->osdep.ec.ec_if); 1335 ether_ifattach(ifp, adapter->hw.mac.addr); 1336 aprint_normal_dev(dev, "Ethernet address %s\n", 1337 ether_sprintf(adapter->hw.mac.addr)); 1338 /* 1339 * We use per TX queue softint, so if_deferred_start_init() isn't 1340 * used. 1341 */ 1342 ether_set_ifflags_cb(ec, ixgbe_ifflags_cb); 1343 1344 adapter->max_frame_size = ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN; 1345 1346 /* 1347 * Tell the upper layer(s) we support long frames. 1348 */ 1349 ifp->if_hdrlen = sizeof(struct ether_vlan_header); 1350 1351 /* Set capability flags */ 1352 ifp->if_capabilities |= IFCAP_RXCSUM 1353 | IFCAP_TXCSUM 1354 | IFCAP_TSOv4 1355 | IFCAP_TSOv6; 1356 ifp->if_capenable = 0; 1357 1358 ec->ec_capabilities |= ETHERCAP_VLAN_HWTAGGING 1359 | ETHERCAP_VLAN_HWCSUM 1360 | ETHERCAP_JUMBO_MTU 1361 | ETHERCAP_VLAN_MTU; 1362 1363 /* Enable the above capabilities by default */ 1364 ec->ec_capenable = ec->ec_capabilities; 1365 1366 /* 1367 * Don't turn this on by default, if vlans are 1368 * created on another pseudo device (eg. lagg) 1369 * then vlan events are not passed thru, breaking 1370 * operation, but with HW FILTER off it works. If 1371 * using vlans directly on the ixgbe driver you can 1372 * enable this and get full hardware tag filtering. 1373 */ 1374 ec->ec_capabilities |= ETHERCAP_VLAN_HWFILTER; 1375 1376 /* 1377 * Specify the media types supported by this adapter and register 1378 * callbacks to update media and link information 1379 */ 1380 ec->ec_ifmedia = &adapter->media; 1381 ifmedia_init(&adapter->media, IFM_IMASK, ixgbe_media_change, 1382 ixgbe_media_status); 1383 1384 adapter->phy_layer = ixgbe_get_supported_physical_layer(&adapter->hw); 1385 ixgbe_add_media_types(adapter); 1386 1387 /* Set autoselect media by default */ 1388 ifmedia_set(&adapter->media, IFM_ETHER | IFM_AUTO); 1389 1390 if_register(ifp); 1391 1392 return (0); 1393 } /* ixgbe_setup_interface */ 1394 1395 /************************************************************************ 1396 * ixgbe_add_media_types 1397 ************************************************************************/ 1398 static void 1399 ixgbe_add_media_types(struct adapter *adapter) 1400 { 1401 struct ixgbe_hw *hw = &adapter->hw; 1402 u64 layer; 1403 1404 layer = adapter->phy_layer; 1405 1406 #define ADD(mm, dd) \ 1407 ifmedia_add(&adapter->media, IFM_ETHER | (mm), (dd), NULL); 1408 1409 ADD(IFM_NONE, 0); 1410 1411 /* Media types with matching NetBSD media defines */ 1412 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_T) { 1413 ADD(IFM_10G_T | IFM_FDX, 0); 1414 } 1415 if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_T) { 1416 ADD(IFM_1000_T | IFM_FDX, 0); 1417 } 1418 if (layer & IXGBE_PHYSICAL_LAYER_100BASE_TX) { 1419 ADD(IFM_100_TX | IFM_FDX, 0); 1420 } 1421 if (layer & IXGBE_PHYSICAL_LAYER_10BASE_T) { 1422 ADD(IFM_10_T | IFM_FDX, 0); 1423 } 1424 1425 if (layer & IXGBE_PHYSICAL_LAYER_SFP_PLUS_CU || 1426 layer & IXGBE_PHYSICAL_LAYER_SFP_ACTIVE_DA) { 1427 ADD(IFM_10G_TWINAX | IFM_FDX, 0); 1428 } 1429 1430 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_LR) { 1431 ADD(IFM_10G_LR | IFM_FDX, 0); 1432 if (hw->phy.multispeed_fiber) { 1433 ADD(IFM_1000_LX | IFM_FDX, 0); 1434 } 1435 } 1436 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_SR) { 1437 ADD(IFM_10G_SR | IFM_FDX, 0); 1438 if (hw->phy.multispeed_fiber) { 1439 ADD(IFM_1000_SX | IFM_FDX, 0); 1440 } 1441 } else if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_SX) { 1442 ADD(IFM_1000_SX | IFM_FDX, 0); 1443 } 1444 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_CX4) { 1445 ADD(IFM_10G_CX4 | IFM_FDX, 0); 1446 } 1447 1448 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KR) { 1449 ADD(IFM_10G_KR | IFM_FDX, 0); 1450 } 1451 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KX4) { 1452 ADD(IFM_10G_KX4 | IFM_FDX, 0); 1453 } 1454 if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_KX) { 1455 ADD(IFM_1000_KX | IFM_FDX, 0); 1456 } 1457 if (layer & IXGBE_PHYSICAL_LAYER_2500BASE_KX) { 1458 ADD(IFM_2500_KX | IFM_FDX, 0); 1459 } 1460 if (layer & IXGBE_PHYSICAL_LAYER_2500BASE_T) { 1461 ADD(IFM_2500_T | IFM_FDX, 0); 1462 } 1463 if (layer & IXGBE_PHYSICAL_LAYER_5GBASE_T) { 1464 ADD(IFM_5000_T | IFM_FDX, 0); 1465 } 1466 if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_BX) 1467 ADD(IFM_1000_BX10 | IFM_FDX, 0); 1468 /* XXX no ifmedia_set? */ 1469 1470 ADD(IFM_AUTO, 0); 1471 1472 #undef ADD 1473 } /* ixgbe_add_media_types */ 1474 1475 /************************************************************************ 1476 * ixgbe_is_sfp 1477 ************************************************************************/ 1478 static inline bool 1479 ixgbe_is_sfp(struct ixgbe_hw *hw) 1480 { 1481 switch (hw->mac.type) { 1482 case ixgbe_mac_82598EB: 1483 if (hw->phy.type == ixgbe_phy_nl) 1484 return (TRUE); 1485 return (FALSE); 1486 case ixgbe_mac_82599EB: 1487 case ixgbe_mac_X550EM_x: 1488 case ixgbe_mac_X550EM_a: 1489 switch (hw->mac.ops.get_media_type(hw)) { 1490 case ixgbe_media_type_fiber: 1491 case ixgbe_media_type_fiber_qsfp: 1492 return (TRUE); 1493 default: 1494 return (FALSE); 1495 } 1496 default: 1497 return (FALSE); 1498 } 1499 } /* ixgbe_is_sfp */ 1500 1501 /************************************************************************ 1502 * ixgbe_config_link 1503 ************************************************************************/ 1504 static void 1505 ixgbe_config_link(struct adapter *adapter) 1506 { 1507 struct ixgbe_hw *hw = &adapter->hw; 1508 u32 autoneg, err = 0; 1509 bool sfp, negotiate = false; 1510 1511 sfp = ixgbe_is_sfp(hw); 1512 1513 if (sfp) { 1514 if (hw->phy.multispeed_fiber) { 1515 ixgbe_enable_tx_laser(hw); 1516 kpreempt_disable(); 1517 softint_schedule(adapter->msf_si); 1518 kpreempt_enable(); 1519 } 1520 kpreempt_disable(); 1521 softint_schedule(adapter->mod_si); 1522 kpreempt_enable(); 1523 } else { 1524 struct ifmedia *ifm = &adapter->media; 1525 1526 if (hw->mac.ops.check_link) 1527 err = ixgbe_check_link(hw, &adapter->link_speed, 1528 &adapter->link_up, FALSE); 1529 if (err) 1530 return; 1531 1532 /* 1533 * Check if it's the first call. If it's the first call, 1534 * get value for auto negotiation. 1535 */ 1536 autoneg = hw->phy.autoneg_advertised; 1537 if ((IFM_SUBTYPE(ifm->ifm_cur->ifm_media) != IFM_NONE) 1538 && ((!autoneg) && (hw->mac.ops.get_link_capabilities))) 1539 err = hw->mac.ops.get_link_capabilities(hw, &autoneg, 1540 &negotiate); 1541 if (err) 1542 return; 1543 if (hw->mac.ops.setup_link) 1544 err = hw->mac.ops.setup_link(hw, autoneg, 1545 adapter->link_up); 1546 } 1547 1548 } /* ixgbe_config_link */ 1549 1550 /************************************************************************ 1551 * ixgbe_update_stats_counters - Update board statistics counters. 1552 ************************************************************************/ 1553 static void 1554 ixgbe_update_stats_counters(struct adapter *adapter) 1555 { 1556 struct ifnet *ifp = adapter->ifp; 1557 struct ixgbe_hw *hw = &adapter->hw; 1558 struct ixgbe_hw_stats *stats = &adapter->stats.pf; 1559 u32 missed_rx = 0, bprc, lxon, lxoff, total; 1560 u64 total_missed_rx = 0; 1561 uint64_t crcerrs, rlec; 1562 unsigned int queue_counters; 1563 int i; 1564 1565 crcerrs = IXGBE_READ_REG(hw, IXGBE_CRCERRS); 1566 stats->crcerrs.ev_count += crcerrs; 1567 stats->illerrc.ev_count += IXGBE_READ_REG(hw, IXGBE_ILLERRC); 1568 stats->errbc.ev_count += IXGBE_READ_REG(hw, IXGBE_ERRBC); 1569 stats->mspdc.ev_count += IXGBE_READ_REG(hw, IXGBE_MSPDC); 1570 if (hw->mac.type >= ixgbe_mac_X550) 1571 stats->mbsdc.ev_count += IXGBE_READ_REG(hw, IXGBE_MBSDC); 1572 1573 /* 16 registers exist */ 1574 queue_counters = uimin(__arraycount(stats->qprc), adapter->num_queues); 1575 for (i = 0; i < queue_counters; i++) { 1576 stats->qprc[i].ev_count += IXGBE_READ_REG(hw, IXGBE_QPRC(i)); 1577 stats->qptc[i].ev_count += IXGBE_READ_REG(hw, IXGBE_QPTC(i)); 1578 if (hw->mac.type >= ixgbe_mac_82599EB) { 1579 stats->qprdc[i].ev_count 1580 += IXGBE_READ_REG(hw, IXGBE_QPRDC(i)); 1581 } 1582 } 1583 1584 /* 8 registers exist */ 1585 for (i = 0; i < IXGBE_TC_COUNTER_NUM; i++) { 1586 uint32_t mp; 1587 1588 /* MPC */ 1589 mp = IXGBE_READ_REG(hw, IXGBE_MPC(i)); 1590 /* global total per queue */ 1591 stats->mpc[i].ev_count += mp; 1592 /* running comprehensive total for stats display */ 1593 total_missed_rx += mp; 1594 1595 if (hw->mac.type == ixgbe_mac_82598EB) 1596 stats->rnbc[i].ev_count 1597 += IXGBE_READ_REG(hw, IXGBE_RNBC(i)); 1598 1599 stats->pxontxc[i].ev_count 1600 += IXGBE_READ_REG(hw, IXGBE_PXONTXC(i)); 1601 stats->pxofftxc[i].ev_count 1602 += IXGBE_READ_REG(hw, IXGBE_PXOFFTXC(i)); 1603 if (hw->mac.type >= ixgbe_mac_82599EB) { 1604 stats->pxonrxc[i].ev_count 1605 += IXGBE_READ_REG(hw, IXGBE_PXONRXCNT(i)); 1606 stats->pxoffrxc[i].ev_count 1607 += IXGBE_READ_REG(hw, IXGBE_PXOFFRXCNT(i)); 1608 stats->pxon2offc[i].ev_count 1609 += IXGBE_READ_REG(hw, IXGBE_PXON2OFFCNT(i)); 1610 } else { 1611 stats->pxonrxc[i].ev_count 1612 += IXGBE_READ_REG(hw, IXGBE_PXONRXC(i)); 1613 stats->pxoffrxc[i].ev_count 1614 += IXGBE_READ_REG(hw, IXGBE_PXOFFRXC(i)); 1615 } 1616 } 1617 stats->mpctotal.ev_count += total_missed_rx; 1618 1619 /* Document says M[LR]FC are valid when link is up and 10Gbps */ 1620 if ((adapter->link_active == LINK_STATE_UP) 1621 && (adapter->link_speed == IXGBE_LINK_SPEED_10GB_FULL)) { 1622 stats->mlfc.ev_count += IXGBE_READ_REG(hw, IXGBE_MLFC); 1623 stats->mrfc.ev_count += IXGBE_READ_REG(hw, IXGBE_MRFC); 1624 } 1625 rlec = IXGBE_READ_REG(hw, IXGBE_RLEC); 1626 stats->rlec.ev_count += rlec; 1627 1628 /* Hardware workaround, gprc counts missed packets */ 1629 stats->gprc.ev_count += IXGBE_READ_REG(hw, IXGBE_GPRC) - missed_rx; 1630 1631 lxon = IXGBE_READ_REG(hw, IXGBE_LXONTXC); 1632 stats->lxontxc.ev_count += lxon; 1633 lxoff = IXGBE_READ_REG(hw, IXGBE_LXOFFTXC); 1634 stats->lxofftxc.ev_count += lxoff; 1635 total = lxon + lxoff; 1636 1637 if (hw->mac.type != ixgbe_mac_82598EB) { 1638 stats->gorc.ev_count += IXGBE_READ_REG(hw, IXGBE_GORCL) + 1639 ((u64)IXGBE_READ_REG(hw, IXGBE_GORCH) << 32); 1640 stats->gotc.ev_count += IXGBE_READ_REG(hw, IXGBE_GOTCL) + 1641 ((u64)IXGBE_READ_REG(hw, IXGBE_GOTCH) << 32) - total * ETHER_MIN_LEN; 1642 stats->tor.ev_count += IXGBE_READ_REG(hw, IXGBE_TORL) + 1643 ((u64)IXGBE_READ_REG(hw, IXGBE_TORH) << 32); 1644 stats->lxonrxc.ev_count += IXGBE_READ_REG(hw, IXGBE_LXONRXCNT); 1645 stats->lxoffrxc.ev_count += IXGBE_READ_REG(hw, IXGBE_LXOFFRXCNT); 1646 } else { 1647 stats->lxonrxc.ev_count += IXGBE_READ_REG(hw, IXGBE_LXONRXC); 1648 stats->lxoffrxc.ev_count += IXGBE_READ_REG(hw, IXGBE_LXOFFRXC); 1649 /* 82598 only has a counter in the high register */ 1650 stats->gorc.ev_count += IXGBE_READ_REG(hw, IXGBE_GORCH); 1651 stats->gotc.ev_count += IXGBE_READ_REG(hw, IXGBE_GOTCH) - total * ETHER_MIN_LEN; 1652 stats->tor.ev_count += IXGBE_READ_REG(hw, IXGBE_TORH); 1653 } 1654 1655 /* 1656 * Workaround: mprc hardware is incorrectly counting 1657 * broadcasts, so for now we subtract those. 1658 */ 1659 bprc = IXGBE_READ_REG(hw, IXGBE_BPRC); 1660 stats->bprc.ev_count += bprc; 1661 stats->mprc.ev_count += IXGBE_READ_REG(hw, IXGBE_MPRC) 1662 - ((hw->mac.type == ixgbe_mac_82598EB) ? bprc : 0); 1663 1664 stats->prc64.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC64); 1665 stats->prc127.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC127); 1666 stats->prc255.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC255); 1667 stats->prc511.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC511); 1668 stats->prc1023.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC1023); 1669 stats->prc1522.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC1522); 1670 1671 stats->gptc.ev_count += IXGBE_READ_REG(hw, IXGBE_GPTC) - total; 1672 stats->mptc.ev_count += IXGBE_READ_REG(hw, IXGBE_MPTC) - total; 1673 stats->ptc64.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC64) - total; 1674 1675 stats->ruc.ev_count += IXGBE_READ_REG(hw, IXGBE_RUC); 1676 stats->rfc.ev_count += IXGBE_READ_REG(hw, IXGBE_RFC); 1677 stats->roc.ev_count += IXGBE_READ_REG(hw, IXGBE_ROC); 1678 stats->rjc.ev_count += IXGBE_READ_REG(hw, IXGBE_RJC); 1679 stats->mngprc.ev_count += IXGBE_READ_REG(hw, IXGBE_MNGPRC); 1680 stats->mngpdc.ev_count += IXGBE_READ_REG(hw, IXGBE_MNGPDC); 1681 stats->mngptc.ev_count += IXGBE_READ_REG(hw, IXGBE_MNGPTC); 1682 stats->tpr.ev_count += IXGBE_READ_REG(hw, IXGBE_TPR); 1683 stats->tpt.ev_count += IXGBE_READ_REG(hw, IXGBE_TPT); 1684 stats->ptc127.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC127); 1685 stats->ptc255.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC255); 1686 stats->ptc511.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC511); 1687 stats->ptc1023.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC1023); 1688 stats->ptc1522.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC1522); 1689 stats->bptc.ev_count += IXGBE_READ_REG(hw, IXGBE_BPTC); 1690 stats->xec.ev_count += IXGBE_READ_REG(hw, IXGBE_XEC); 1691 stats->fccrc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCCRC); 1692 stats->fclast.ev_count += IXGBE_READ_REG(hw, IXGBE_FCLAST); 1693 /* Only read FCOE on 82599 */ 1694 if (hw->mac.type != ixgbe_mac_82598EB) { 1695 stats->fcoerpdc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOERPDC); 1696 stats->fcoeprc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOEPRC); 1697 stats->fcoeptc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOEPTC); 1698 stats->fcoedwrc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOEDWRC); 1699 stats->fcoedwtc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOEDWTC); 1700 } 1701 1702 /* Fill out the OS statistics structure */ 1703 /* 1704 * NetBSD: Don't override if_{i|o}{packets|bytes|mcasts} with 1705 * adapter->stats counters. It's required to make ifconfig -z 1706 * (SOICZIFDATA) work. 1707 */ 1708 ifp->if_collisions = 0; 1709 1710 /* Rx Errors */ 1711 ifp->if_iqdrops += total_missed_rx; 1712 ifp->if_ierrors += crcerrs + rlec; 1713 } /* ixgbe_update_stats_counters */ 1714 1715 /************************************************************************ 1716 * ixgbe_add_hw_stats 1717 * 1718 * Add sysctl variables, one per statistic, to the system. 1719 ************************************************************************/ 1720 static void 1721 ixgbe_add_hw_stats(struct adapter *adapter) 1722 { 1723 device_t dev = adapter->dev; 1724 const struct sysctlnode *rnode, *cnode; 1725 struct sysctllog **log = &adapter->sysctllog; 1726 struct tx_ring *txr = adapter->tx_rings; 1727 struct rx_ring *rxr = adapter->rx_rings; 1728 struct ixgbe_hw *hw = &adapter->hw; 1729 struct ixgbe_hw_stats *stats = &adapter->stats.pf; 1730 const char *xname = device_xname(dev); 1731 int i; 1732 1733 /* Driver Statistics */ 1734 evcnt_attach_dynamic(&adapter->efbig_tx_dma_setup, EVCNT_TYPE_MISC, 1735 NULL, xname, "Driver tx dma soft fail EFBIG"); 1736 evcnt_attach_dynamic(&adapter->mbuf_defrag_failed, EVCNT_TYPE_MISC, 1737 NULL, xname, "m_defrag() failed"); 1738 evcnt_attach_dynamic(&adapter->efbig2_tx_dma_setup, EVCNT_TYPE_MISC, 1739 NULL, xname, "Driver tx dma hard fail EFBIG"); 1740 evcnt_attach_dynamic(&adapter->einval_tx_dma_setup, EVCNT_TYPE_MISC, 1741 NULL, xname, "Driver tx dma hard fail EINVAL"); 1742 evcnt_attach_dynamic(&adapter->other_tx_dma_setup, EVCNT_TYPE_MISC, 1743 NULL, xname, "Driver tx dma hard fail other"); 1744 evcnt_attach_dynamic(&adapter->eagain_tx_dma_setup, EVCNT_TYPE_MISC, 1745 NULL, xname, "Driver tx dma soft fail EAGAIN"); 1746 evcnt_attach_dynamic(&adapter->enomem_tx_dma_setup, EVCNT_TYPE_MISC, 1747 NULL, xname, "Driver tx dma soft fail ENOMEM"); 1748 evcnt_attach_dynamic(&adapter->watchdog_events, EVCNT_TYPE_MISC, 1749 NULL, xname, "Watchdog timeouts"); 1750 evcnt_attach_dynamic(&adapter->tso_err, EVCNT_TYPE_MISC, 1751 NULL, xname, "TSO errors"); 1752 evcnt_attach_dynamic(&adapter->link_irq, EVCNT_TYPE_INTR, 1753 NULL, xname, "Link MSI-X IRQ Handled"); 1754 evcnt_attach_dynamic(&adapter->link_sicount, EVCNT_TYPE_INTR, 1755 NULL, xname, "Link softint"); 1756 evcnt_attach_dynamic(&adapter->mod_sicount, EVCNT_TYPE_INTR, 1757 NULL, xname, "module softint"); 1758 evcnt_attach_dynamic(&adapter->msf_sicount, EVCNT_TYPE_INTR, 1759 NULL, xname, "multimode softint"); 1760 evcnt_attach_dynamic(&adapter->phy_sicount, EVCNT_TYPE_INTR, 1761 NULL, xname, "external PHY softint"); 1762 1763 /* Max number of traffic class is 8 */ 1764 KASSERT(IXGBE_DCB_MAX_TRAFFIC_CLASS == 8); 1765 for (i = 0; i < IXGBE_TC_COUNTER_NUM; i++) { 1766 snprintf(adapter->tcs[i].evnamebuf, 1767 sizeof(adapter->tcs[i].evnamebuf), "%s tc%d", 1768 xname, i); 1769 if (i < __arraycount(stats->mpc)) { 1770 evcnt_attach_dynamic(&stats->mpc[i], 1771 EVCNT_TYPE_MISC, NULL, adapter->tcs[i].evnamebuf, 1772 "RX Missed Packet Count"); 1773 if (hw->mac.type == ixgbe_mac_82598EB) 1774 evcnt_attach_dynamic(&stats->rnbc[i], 1775 EVCNT_TYPE_MISC, NULL, 1776 adapter->tcs[i].evnamebuf, 1777 "Receive No Buffers"); 1778 } 1779 if (i < __arraycount(stats->pxontxc)) { 1780 evcnt_attach_dynamic(&stats->pxontxc[i], 1781 EVCNT_TYPE_MISC, NULL, adapter->tcs[i].evnamebuf, 1782 "pxontxc"); 1783 evcnt_attach_dynamic(&stats->pxonrxc[i], 1784 EVCNT_TYPE_MISC, NULL, adapter->tcs[i].evnamebuf, 1785 "pxonrxc"); 1786 evcnt_attach_dynamic(&stats->pxofftxc[i], 1787 EVCNT_TYPE_MISC, NULL, adapter->tcs[i].evnamebuf, 1788 "pxofftxc"); 1789 evcnt_attach_dynamic(&stats->pxoffrxc[i], 1790 EVCNT_TYPE_MISC, NULL, adapter->tcs[i].evnamebuf, 1791 "pxoffrxc"); 1792 if (hw->mac.type >= ixgbe_mac_82599EB) 1793 evcnt_attach_dynamic(&stats->pxon2offc[i], 1794 EVCNT_TYPE_MISC, NULL, 1795 adapter->tcs[i].evnamebuf, 1796 "pxon2offc"); 1797 } 1798 } 1799 1800 for (i = 0; i < adapter->num_queues; i++, rxr++, txr++) { 1801 #ifdef LRO 1802 struct lro_ctrl *lro = &rxr->lro; 1803 #endif /* LRO */ 1804 1805 snprintf(adapter->queues[i].evnamebuf, 1806 sizeof(adapter->queues[i].evnamebuf), "%s q%d", 1807 xname, i); 1808 snprintf(adapter->queues[i].namebuf, 1809 sizeof(adapter->queues[i].namebuf), "q%d", i); 1810 1811 if ((rnode = ixgbe_sysctl_instance(adapter)) == NULL) { 1812 aprint_error_dev(dev, "could not create sysctl root\n"); 1813 break; 1814 } 1815 1816 if (sysctl_createv(log, 0, &rnode, &rnode, 1817 0, CTLTYPE_NODE, 1818 adapter->queues[i].namebuf, SYSCTL_DESCR("Queue Name"), 1819 NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL) != 0) 1820 break; 1821 1822 if (sysctl_createv(log, 0, &rnode, &cnode, 1823 CTLFLAG_READWRITE, CTLTYPE_INT, 1824 "interrupt_rate", SYSCTL_DESCR("Interrupt Rate"), 1825 ixgbe_sysctl_interrupt_rate_handler, 0, 1826 (void *)&adapter->queues[i], 0, CTL_CREATE, CTL_EOL) != 0) 1827 break; 1828 1829 if (sysctl_createv(log, 0, &rnode, &cnode, 1830 CTLFLAG_READONLY, CTLTYPE_INT, 1831 "txd_head", SYSCTL_DESCR("Transmit Descriptor Head"), 1832 ixgbe_sysctl_tdh_handler, 0, (void *)txr, 1833 0, CTL_CREATE, CTL_EOL) != 0) 1834 break; 1835 1836 if (sysctl_createv(log, 0, &rnode, &cnode, 1837 CTLFLAG_READONLY, CTLTYPE_INT, 1838 "txd_tail", SYSCTL_DESCR("Transmit Descriptor Tail"), 1839 ixgbe_sysctl_tdt_handler, 0, (void *)txr, 1840 0, CTL_CREATE, CTL_EOL) != 0) 1841 break; 1842 1843 evcnt_attach_dynamic(&adapter->queues[i].irqs, EVCNT_TYPE_INTR, 1844 NULL, adapter->queues[i].evnamebuf, "IRQs on queue"); 1845 evcnt_attach_dynamic(&adapter->queues[i].handleq, 1846 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1847 "Handled queue in softint"); 1848 evcnt_attach_dynamic(&adapter->queues[i].req, EVCNT_TYPE_MISC, 1849 NULL, adapter->queues[i].evnamebuf, "Requeued in softint"); 1850 evcnt_attach_dynamic(&txr->tso_tx, EVCNT_TYPE_MISC, 1851 NULL, adapter->queues[i].evnamebuf, "TSO"); 1852 evcnt_attach_dynamic(&txr->no_desc_avail, EVCNT_TYPE_MISC, 1853 NULL, adapter->queues[i].evnamebuf, 1854 "Queue No Descriptor Available"); 1855 evcnt_attach_dynamic(&txr->total_packets, EVCNT_TYPE_MISC, 1856 NULL, adapter->queues[i].evnamebuf, 1857 "Queue Packets Transmitted"); 1858 #ifndef IXGBE_LEGACY_TX 1859 evcnt_attach_dynamic(&txr->pcq_drops, EVCNT_TYPE_MISC, 1860 NULL, adapter->queues[i].evnamebuf, 1861 "Packets dropped in pcq"); 1862 #endif 1863 1864 if (sysctl_createv(log, 0, &rnode, &cnode, 1865 CTLFLAG_READONLY, 1866 CTLTYPE_INT, 1867 "rxd_nxck", SYSCTL_DESCR("Receive Descriptor next to check"), 1868 ixgbe_sysctl_next_to_check_handler, 0, (void *)rxr, 0, 1869 CTL_CREATE, CTL_EOL) != 0) 1870 break; 1871 1872 if (sysctl_createv(log, 0, &rnode, &cnode, 1873 CTLFLAG_READONLY, 1874 CTLTYPE_INT, 1875 "rxd_head", SYSCTL_DESCR("Receive Descriptor Head"), 1876 ixgbe_sysctl_rdh_handler, 0, (void *)rxr, 0, 1877 CTL_CREATE, CTL_EOL) != 0) 1878 break; 1879 1880 if (sysctl_createv(log, 0, &rnode, &cnode, 1881 CTLFLAG_READONLY, 1882 CTLTYPE_INT, 1883 "rxd_tail", SYSCTL_DESCR("Receive Descriptor Tail"), 1884 ixgbe_sysctl_rdt_handler, 0, (void *)rxr, 0, 1885 CTL_CREATE, CTL_EOL) != 0) 1886 break; 1887 1888 if (i < __arraycount(stats->qprc)) { 1889 evcnt_attach_dynamic(&stats->qprc[i], 1890 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1891 "qprc"); 1892 evcnt_attach_dynamic(&stats->qptc[i], 1893 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1894 "qptc"); 1895 evcnt_attach_dynamic(&stats->qbrc[i], 1896 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1897 "qbrc"); 1898 evcnt_attach_dynamic(&stats->qbtc[i], 1899 EVCNT_TYPE_MISC, NULL, adapter->queues[i].evnamebuf, 1900 "qbtc"); 1901 if (hw->mac.type >= ixgbe_mac_82599EB) 1902 evcnt_attach_dynamic(&stats->qprdc[i], 1903 EVCNT_TYPE_MISC, NULL, 1904 adapter->queues[i].evnamebuf, "qprdc"); 1905 } 1906 1907 evcnt_attach_dynamic(&rxr->rx_packets, EVCNT_TYPE_MISC, 1908 NULL, adapter->queues[i].evnamebuf, "Queue Packets Received"); 1909 evcnt_attach_dynamic(&rxr->rx_bytes, EVCNT_TYPE_MISC, 1910 NULL, adapter->queues[i].evnamebuf, "Queue Bytes Received"); 1911 evcnt_attach_dynamic(&rxr->rx_copies, EVCNT_TYPE_MISC, 1912 NULL, adapter->queues[i].evnamebuf, "Copied RX Frames"); 1913 evcnt_attach_dynamic(&rxr->no_jmbuf, EVCNT_TYPE_MISC, 1914 NULL, adapter->queues[i].evnamebuf, "Rx no jumbo mbuf"); 1915 evcnt_attach_dynamic(&rxr->rx_discarded, EVCNT_TYPE_MISC, 1916 NULL, adapter->queues[i].evnamebuf, "Rx discarded"); 1917 #ifdef LRO 1918 SYSCTL_ADD_INT(ctx, queue_list, OID_AUTO, "lro_queued", 1919 CTLFLAG_RD, &lro->lro_queued, 0, 1920 "LRO Queued"); 1921 SYSCTL_ADD_INT(ctx, queue_list, OID_AUTO, "lro_flushed", 1922 CTLFLAG_RD, &lro->lro_flushed, 0, 1923 "LRO Flushed"); 1924 #endif /* LRO */ 1925 } 1926 1927 /* MAC stats get their own sub node */ 1928 1929 snprintf(stats->namebuf, 1930 sizeof(stats->namebuf), "%s MAC Statistics", xname); 1931 1932 evcnt_attach_dynamic(&stats->ipcs, EVCNT_TYPE_MISC, NULL, 1933 stats->namebuf, "rx csum offload - IP"); 1934 evcnt_attach_dynamic(&stats->l4cs, EVCNT_TYPE_MISC, NULL, 1935 stats->namebuf, "rx csum offload - L4"); 1936 evcnt_attach_dynamic(&stats->ipcs_bad, EVCNT_TYPE_MISC, NULL, 1937 stats->namebuf, "rx csum offload - IP bad"); 1938 evcnt_attach_dynamic(&stats->l4cs_bad, EVCNT_TYPE_MISC, NULL, 1939 stats->namebuf, "rx csum offload - L4 bad"); 1940 evcnt_attach_dynamic(&stats->intzero, EVCNT_TYPE_MISC, NULL, 1941 stats->namebuf, "Interrupt conditions zero"); 1942 evcnt_attach_dynamic(&stats->legint, EVCNT_TYPE_MISC, NULL, 1943 stats->namebuf, "Legacy interrupts"); 1944 1945 evcnt_attach_dynamic(&stats->crcerrs, EVCNT_TYPE_MISC, NULL, 1946 stats->namebuf, "CRC Errors"); 1947 evcnt_attach_dynamic(&stats->illerrc, EVCNT_TYPE_MISC, NULL, 1948 stats->namebuf, "Illegal Byte Errors"); 1949 evcnt_attach_dynamic(&stats->errbc, EVCNT_TYPE_MISC, NULL, 1950 stats->namebuf, "Byte Errors"); 1951 evcnt_attach_dynamic(&stats->mspdc, EVCNT_TYPE_MISC, NULL, 1952 stats->namebuf, "MAC Short Packets Discarded"); 1953 if (hw->mac.type >= ixgbe_mac_X550) 1954 evcnt_attach_dynamic(&stats->mbsdc, EVCNT_TYPE_MISC, NULL, 1955 stats->namebuf, "Bad SFD"); 1956 evcnt_attach_dynamic(&stats->mpctotal, EVCNT_TYPE_MISC, NULL, 1957 stats->namebuf, "Total Packets Missed"); 1958 evcnt_attach_dynamic(&stats->mlfc, EVCNT_TYPE_MISC, NULL, 1959 stats->namebuf, "MAC Local Faults"); 1960 evcnt_attach_dynamic(&stats->mrfc, EVCNT_TYPE_MISC, NULL, 1961 stats->namebuf, "MAC Remote Faults"); 1962 evcnt_attach_dynamic(&stats->rlec, EVCNT_TYPE_MISC, NULL, 1963 stats->namebuf, "Receive Length Errors"); 1964 evcnt_attach_dynamic(&stats->lxontxc, EVCNT_TYPE_MISC, NULL, 1965 stats->namebuf, "Link XON Transmitted"); 1966 evcnt_attach_dynamic(&stats->lxonrxc, EVCNT_TYPE_MISC, NULL, 1967 stats->namebuf, "Link XON Received"); 1968 evcnt_attach_dynamic(&stats->lxofftxc, EVCNT_TYPE_MISC, NULL, 1969 stats->namebuf, "Link XOFF Transmitted"); 1970 evcnt_attach_dynamic(&stats->lxoffrxc, EVCNT_TYPE_MISC, NULL, 1971 stats->namebuf, "Link XOFF Received"); 1972 1973 /* Packet Reception Stats */ 1974 evcnt_attach_dynamic(&stats->tor, EVCNT_TYPE_MISC, NULL, 1975 stats->namebuf, "Total Octets Received"); 1976 evcnt_attach_dynamic(&stats->gorc, EVCNT_TYPE_MISC, NULL, 1977 stats->namebuf, "Good Octets Received"); 1978 evcnt_attach_dynamic(&stats->tpr, EVCNT_TYPE_MISC, NULL, 1979 stats->namebuf, "Total Packets Received"); 1980 evcnt_attach_dynamic(&stats->gprc, EVCNT_TYPE_MISC, NULL, 1981 stats->namebuf, "Good Packets Received"); 1982 evcnt_attach_dynamic(&stats->mprc, EVCNT_TYPE_MISC, NULL, 1983 stats->namebuf, "Multicast Packets Received"); 1984 evcnt_attach_dynamic(&stats->bprc, EVCNT_TYPE_MISC, NULL, 1985 stats->namebuf, "Broadcast Packets Received"); 1986 evcnt_attach_dynamic(&stats->prc64, EVCNT_TYPE_MISC, NULL, 1987 stats->namebuf, "64 byte frames received "); 1988 evcnt_attach_dynamic(&stats->prc127, EVCNT_TYPE_MISC, NULL, 1989 stats->namebuf, "65-127 byte frames received"); 1990 evcnt_attach_dynamic(&stats->prc255, EVCNT_TYPE_MISC, NULL, 1991 stats->namebuf, "128-255 byte frames received"); 1992 evcnt_attach_dynamic(&stats->prc511, EVCNT_TYPE_MISC, NULL, 1993 stats->namebuf, "256-511 byte frames received"); 1994 evcnt_attach_dynamic(&stats->prc1023, EVCNT_TYPE_MISC, NULL, 1995 stats->namebuf, "512-1023 byte frames received"); 1996 evcnt_attach_dynamic(&stats->prc1522, EVCNT_TYPE_MISC, NULL, 1997 stats->namebuf, "1023-1522 byte frames received"); 1998 evcnt_attach_dynamic(&stats->ruc, EVCNT_TYPE_MISC, NULL, 1999 stats->namebuf, "Receive Undersized"); 2000 evcnt_attach_dynamic(&stats->rfc, EVCNT_TYPE_MISC, NULL, 2001 stats->namebuf, "Fragmented Packets Received "); 2002 evcnt_attach_dynamic(&stats->roc, EVCNT_TYPE_MISC, NULL, 2003 stats->namebuf, "Oversized Packets Received"); 2004 evcnt_attach_dynamic(&stats->rjc, EVCNT_TYPE_MISC, NULL, 2005 stats->namebuf, "Received Jabber"); 2006 evcnt_attach_dynamic(&stats->mngprc, EVCNT_TYPE_MISC, NULL, 2007 stats->namebuf, "Management Packets Received"); 2008 evcnt_attach_dynamic(&stats->mngpdc, EVCNT_TYPE_MISC, NULL, 2009 stats->namebuf, "Management Packets Dropped"); 2010 evcnt_attach_dynamic(&stats->xec, EVCNT_TYPE_MISC, NULL, 2011 stats->namebuf, "Checksum Errors"); 2012 2013 /* Packet Transmission Stats */ 2014 evcnt_attach_dynamic(&stats->gotc, EVCNT_TYPE_MISC, NULL, 2015 stats->namebuf, "Good Octets Transmitted"); 2016 evcnt_attach_dynamic(&stats->tpt, EVCNT_TYPE_MISC, NULL, 2017 stats->namebuf, "Total Packets Transmitted"); 2018 evcnt_attach_dynamic(&stats->gptc, EVCNT_TYPE_MISC, NULL, 2019 stats->namebuf, "Good Packets Transmitted"); 2020 evcnt_attach_dynamic(&stats->bptc, EVCNT_TYPE_MISC, NULL, 2021 stats->namebuf, "Broadcast Packets Transmitted"); 2022 evcnt_attach_dynamic(&stats->mptc, EVCNT_TYPE_MISC, NULL, 2023 stats->namebuf, "Multicast Packets Transmitted"); 2024 evcnt_attach_dynamic(&stats->mngptc, EVCNT_TYPE_MISC, NULL, 2025 stats->namebuf, "Management Packets Transmitted"); 2026 evcnt_attach_dynamic(&stats->ptc64, EVCNT_TYPE_MISC, NULL, 2027 stats->namebuf, "64 byte frames transmitted "); 2028 evcnt_attach_dynamic(&stats->ptc127, EVCNT_TYPE_MISC, NULL, 2029 stats->namebuf, "65-127 byte frames transmitted"); 2030 evcnt_attach_dynamic(&stats->ptc255, EVCNT_TYPE_MISC, NULL, 2031 stats->namebuf, "128-255 byte frames transmitted"); 2032 evcnt_attach_dynamic(&stats->ptc511, EVCNT_TYPE_MISC, NULL, 2033 stats->namebuf, "256-511 byte frames transmitted"); 2034 evcnt_attach_dynamic(&stats->ptc1023, EVCNT_TYPE_MISC, NULL, 2035 stats->namebuf, "512-1023 byte frames transmitted"); 2036 evcnt_attach_dynamic(&stats->ptc1522, EVCNT_TYPE_MISC, NULL, 2037 stats->namebuf, "1024-1522 byte frames transmitted"); 2038 } /* ixgbe_add_hw_stats */ 2039 2040 static void 2041 ixgbe_clear_evcnt(struct adapter *adapter) 2042 { 2043 struct tx_ring *txr = adapter->tx_rings; 2044 struct rx_ring *rxr = adapter->rx_rings; 2045 struct ixgbe_hw *hw = &adapter->hw; 2046 struct ixgbe_hw_stats *stats = &adapter->stats.pf; 2047 int i; 2048 2049 adapter->efbig_tx_dma_setup.ev_count = 0; 2050 adapter->mbuf_defrag_failed.ev_count = 0; 2051 adapter->efbig2_tx_dma_setup.ev_count = 0; 2052 adapter->einval_tx_dma_setup.ev_count = 0; 2053 adapter->other_tx_dma_setup.ev_count = 0; 2054 adapter->eagain_tx_dma_setup.ev_count = 0; 2055 adapter->enomem_tx_dma_setup.ev_count = 0; 2056 adapter->tso_err.ev_count = 0; 2057 adapter->watchdog_events.ev_count = 0; 2058 adapter->link_irq.ev_count = 0; 2059 adapter->link_sicount.ev_count = 0; 2060 adapter->mod_sicount.ev_count = 0; 2061 adapter->msf_sicount.ev_count = 0; 2062 adapter->phy_sicount.ev_count = 0; 2063 2064 for (i = 0; i < IXGBE_TC_COUNTER_NUM; i++) { 2065 if (i < __arraycount(stats->mpc)) { 2066 stats->mpc[i].ev_count = 0; 2067 if (hw->mac.type == ixgbe_mac_82598EB) 2068 stats->rnbc[i].ev_count = 0; 2069 } 2070 if (i < __arraycount(stats->pxontxc)) { 2071 stats->pxontxc[i].ev_count = 0; 2072 stats->pxonrxc[i].ev_count = 0; 2073 stats->pxofftxc[i].ev_count = 0; 2074 stats->pxoffrxc[i].ev_count = 0; 2075 if (hw->mac.type >= ixgbe_mac_82599EB) 2076 stats->pxon2offc[i].ev_count = 0; 2077 } 2078 } 2079 2080 txr = adapter->tx_rings; 2081 for (i = 0; i < adapter->num_queues; i++, rxr++, txr++) { 2082 adapter->queues[i].irqs.ev_count = 0; 2083 adapter->queues[i].handleq.ev_count = 0; 2084 adapter->queues[i].req.ev_count = 0; 2085 txr->no_desc_avail.ev_count = 0; 2086 txr->total_packets.ev_count = 0; 2087 txr->tso_tx.ev_count = 0; 2088 #ifndef IXGBE_LEGACY_TX 2089 txr->pcq_drops.ev_count = 0; 2090 #endif 2091 txr->q_efbig_tx_dma_setup = 0; 2092 txr->q_mbuf_defrag_failed = 0; 2093 txr->q_efbig2_tx_dma_setup = 0; 2094 txr->q_einval_tx_dma_setup = 0; 2095 txr->q_other_tx_dma_setup = 0; 2096 txr->q_eagain_tx_dma_setup = 0; 2097 txr->q_enomem_tx_dma_setup = 0; 2098 txr->q_tso_err = 0; 2099 2100 if (i < __arraycount(stats->qprc)) { 2101 stats->qprc[i].ev_count = 0; 2102 stats->qptc[i].ev_count = 0; 2103 stats->qbrc[i].ev_count = 0; 2104 stats->qbtc[i].ev_count = 0; 2105 if (hw->mac.type >= ixgbe_mac_82599EB) 2106 stats->qprdc[i].ev_count = 0; 2107 } 2108 2109 rxr->rx_packets.ev_count = 0; 2110 rxr->rx_bytes.ev_count = 0; 2111 rxr->rx_copies.ev_count = 0; 2112 rxr->no_jmbuf.ev_count = 0; 2113 rxr->rx_discarded.ev_count = 0; 2114 } 2115 stats->ipcs.ev_count = 0; 2116 stats->l4cs.ev_count = 0; 2117 stats->ipcs_bad.ev_count = 0; 2118 stats->l4cs_bad.ev_count = 0; 2119 stats->intzero.ev_count = 0; 2120 stats->legint.ev_count = 0; 2121 stats->crcerrs.ev_count = 0; 2122 stats->illerrc.ev_count = 0; 2123 stats->errbc.ev_count = 0; 2124 stats->mspdc.ev_count = 0; 2125 if (hw->mac.type >= ixgbe_mac_X550) 2126 stats->mbsdc.ev_count = 0; 2127 stats->mpctotal.ev_count = 0; 2128 stats->mlfc.ev_count = 0; 2129 stats->mrfc.ev_count = 0; 2130 stats->rlec.ev_count = 0; 2131 stats->lxontxc.ev_count = 0; 2132 stats->lxonrxc.ev_count = 0; 2133 stats->lxofftxc.ev_count = 0; 2134 stats->lxoffrxc.ev_count = 0; 2135 2136 /* Packet Reception Stats */ 2137 stats->tor.ev_count = 0; 2138 stats->gorc.ev_count = 0; 2139 stats->tpr.ev_count = 0; 2140 stats->gprc.ev_count = 0; 2141 stats->mprc.ev_count = 0; 2142 stats->bprc.ev_count = 0; 2143 stats->prc64.ev_count = 0; 2144 stats->prc127.ev_count = 0; 2145 stats->prc255.ev_count = 0; 2146 stats->prc511.ev_count = 0; 2147 stats->prc1023.ev_count = 0; 2148 stats->prc1522.ev_count = 0; 2149 stats->ruc.ev_count = 0; 2150 stats->rfc.ev_count = 0; 2151 stats->roc.ev_count = 0; 2152 stats->rjc.ev_count = 0; 2153 stats->mngprc.ev_count = 0; 2154 stats->mngpdc.ev_count = 0; 2155 stats->xec.ev_count = 0; 2156 2157 /* Packet Transmission Stats */ 2158 stats->gotc.ev_count = 0; 2159 stats->tpt.ev_count = 0; 2160 stats->gptc.ev_count = 0; 2161 stats->bptc.ev_count = 0; 2162 stats->mptc.ev_count = 0; 2163 stats->mngptc.ev_count = 0; 2164 stats->ptc64.ev_count = 0; 2165 stats->ptc127.ev_count = 0; 2166 stats->ptc255.ev_count = 0; 2167 stats->ptc511.ev_count = 0; 2168 stats->ptc1023.ev_count = 0; 2169 stats->ptc1522.ev_count = 0; 2170 } 2171 2172 /************************************************************************ 2173 * ixgbe_sysctl_tdh_handler - Transmit Descriptor Head handler function 2174 * 2175 * Retrieves the TDH value from the hardware 2176 ************************************************************************/ 2177 static int 2178 ixgbe_sysctl_tdh_handler(SYSCTLFN_ARGS) 2179 { 2180 struct sysctlnode node = *rnode; 2181 struct tx_ring *txr = (struct tx_ring *)node.sysctl_data; 2182 struct adapter *adapter; 2183 uint32_t val; 2184 2185 if (!txr) 2186 return (0); 2187 2188 adapter = txr->adapter; 2189 if (ixgbe_fw_recovery_mode_swflag(adapter)) 2190 return (EPERM); 2191 2192 val = IXGBE_READ_REG(&adapter->hw, IXGBE_TDH(txr->me)); 2193 node.sysctl_data = &val; 2194 return sysctl_lookup(SYSCTLFN_CALL(&node)); 2195 } /* ixgbe_sysctl_tdh_handler */ 2196 2197 /************************************************************************ 2198 * ixgbe_sysctl_tdt_handler - Transmit Descriptor Tail handler function 2199 * 2200 * Retrieves the TDT value from the hardware 2201 ************************************************************************/ 2202 static int 2203 ixgbe_sysctl_tdt_handler(SYSCTLFN_ARGS) 2204 { 2205 struct sysctlnode node = *rnode; 2206 struct tx_ring *txr = (struct tx_ring *)node.sysctl_data; 2207 struct adapter *adapter; 2208 uint32_t val; 2209 2210 if (!txr) 2211 return (0); 2212 2213 adapter = txr->adapter; 2214 if (ixgbe_fw_recovery_mode_swflag(adapter)) 2215 return (EPERM); 2216 2217 val = IXGBE_READ_REG(&adapter->hw, IXGBE_TDT(txr->me)); 2218 node.sysctl_data = &val; 2219 return sysctl_lookup(SYSCTLFN_CALL(&node)); 2220 } /* ixgbe_sysctl_tdt_handler */ 2221 2222 /************************************************************************ 2223 * ixgbe_sysctl_next_to_check_handler - Receive Descriptor next to check 2224 * handler function 2225 * 2226 * Retrieves the next_to_check value 2227 ************************************************************************/ 2228 static int 2229 ixgbe_sysctl_next_to_check_handler(SYSCTLFN_ARGS) 2230 { 2231 struct sysctlnode node = *rnode; 2232 struct rx_ring *rxr = (struct rx_ring *)node.sysctl_data; 2233 struct adapter *adapter; 2234 uint32_t val; 2235 2236 if (!rxr) 2237 return (0); 2238 2239 adapter = rxr->adapter; 2240 if (ixgbe_fw_recovery_mode_swflag(adapter)) 2241 return (EPERM); 2242 2243 val = rxr->next_to_check; 2244 node.sysctl_data = &val; 2245 return sysctl_lookup(SYSCTLFN_CALL(&node)); 2246 } /* ixgbe_sysctl_next_to_check_handler */ 2247 2248 /************************************************************************ 2249 * ixgbe_sysctl_rdh_handler - Receive Descriptor Head handler function 2250 * 2251 * Retrieves the RDH value from the hardware 2252 ************************************************************************/ 2253 static int 2254 ixgbe_sysctl_rdh_handler(SYSCTLFN_ARGS) 2255 { 2256 struct sysctlnode node = *rnode; 2257 struct rx_ring *rxr = (struct rx_ring *)node.sysctl_data; 2258 struct adapter *adapter; 2259 uint32_t val; 2260 2261 if (!rxr) 2262 return (0); 2263 2264 adapter = rxr->adapter; 2265 if (ixgbe_fw_recovery_mode_swflag(adapter)) 2266 return (EPERM); 2267 2268 val = IXGBE_READ_REG(&adapter->hw, IXGBE_RDH(rxr->me)); 2269 node.sysctl_data = &val; 2270 return sysctl_lookup(SYSCTLFN_CALL(&node)); 2271 } /* ixgbe_sysctl_rdh_handler */ 2272 2273 /************************************************************************ 2274 * ixgbe_sysctl_rdt_handler - Receive Descriptor Tail handler function 2275 * 2276 * Retrieves the RDT value from the hardware 2277 ************************************************************************/ 2278 static int 2279 ixgbe_sysctl_rdt_handler(SYSCTLFN_ARGS) 2280 { 2281 struct sysctlnode node = *rnode; 2282 struct rx_ring *rxr = (struct rx_ring *)node.sysctl_data; 2283 struct adapter *adapter; 2284 uint32_t val; 2285 2286 if (!rxr) 2287 return (0); 2288 2289 adapter = rxr->adapter; 2290 if (ixgbe_fw_recovery_mode_swflag(adapter)) 2291 return (EPERM); 2292 2293 val = IXGBE_READ_REG(&adapter->hw, IXGBE_RDT(rxr->me)); 2294 node.sysctl_data = &val; 2295 return sysctl_lookup(SYSCTLFN_CALL(&node)); 2296 } /* ixgbe_sysctl_rdt_handler */ 2297 2298 static int 2299 ixgbe_vlan_cb(struct ethercom *ec, uint16_t vid, bool set) 2300 { 2301 struct ifnet *ifp = &ec->ec_if; 2302 struct adapter *adapter = ifp->if_softc; 2303 int rv; 2304 2305 if (set) 2306 rv = ixgbe_register_vlan(adapter, vid); 2307 else 2308 rv = ixgbe_unregister_vlan(adapter, vid); 2309 2310 if (rv != 0) 2311 return rv; 2312 2313 /* 2314 * Control VLAN HW tagging when ec_nvlan is changed from 1 to 0 2315 * or 0 to 1. 2316 */ 2317 if ((set && (ec->ec_nvlans == 1)) || (!set && (ec->ec_nvlans == 0))) 2318 ixgbe_setup_vlan_hw_tagging(adapter); 2319 2320 return rv; 2321 } 2322 2323 /************************************************************************ 2324 * ixgbe_register_vlan 2325 * 2326 * Run via vlan config EVENT, it enables us to use the 2327 * HW Filter table since we can get the vlan id. This 2328 * just creates the entry in the soft version of the 2329 * VFTA, init will repopulate the real table. 2330 ************************************************************************/ 2331 static int 2332 ixgbe_register_vlan(struct adapter *adapter, u16 vtag) 2333 { 2334 u16 index, bit; 2335 int error; 2336 2337 if ((vtag == 0) || (vtag > 4095)) /* Invalid */ 2338 return EINVAL; 2339 2340 IXGBE_CORE_LOCK(adapter); 2341 index = (vtag >> 5) & 0x7F; 2342 bit = vtag & 0x1F; 2343 adapter->shadow_vfta[index] |= ((u32)1 << bit); 2344 error = adapter->hw.mac.ops.set_vfta(&adapter->hw, vtag, 0, true, 2345 true); 2346 IXGBE_CORE_UNLOCK(adapter); 2347 if (error != 0) 2348 error = EACCES; 2349 2350 return error; 2351 } /* ixgbe_register_vlan */ 2352 2353 /************************************************************************ 2354 * ixgbe_unregister_vlan 2355 * 2356 * Run via vlan unconfig EVENT, remove our entry in the soft vfta. 2357 ************************************************************************/ 2358 static int 2359 ixgbe_unregister_vlan(struct adapter *adapter, u16 vtag) 2360 { 2361 u16 index, bit; 2362 int error; 2363 2364 if ((vtag == 0) || (vtag > 4095)) /* Invalid */ 2365 return EINVAL; 2366 2367 IXGBE_CORE_LOCK(adapter); 2368 index = (vtag >> 5) & 0x7F; 2369 bit = vtag & 0x1F; 2370 adapter->shadow_vfta[index] &= ~((u32)1 << bit); 2371 error = adapter->hw.mac.ops.set_vfta(&adapter->hw, vtag, 0, false, 2372 true); 2373 IXGBE_CORE_UNLOCK(adapter); 2374 if (error != 0) 2375 error = EACCES; 2376 2377 return error; 2378 } /* ixgbe_unregister_vlan */ 2379 2380 static void 2381 ixgbe_setup_vlan_hw_tagging(struct adapter *adapter) 2382 { 2383 struct ethercom *ec = &adapter->osdep.ec; 2384 struct ixgbe_hw *hw = &adapter->hw; 2385 struct rx_ring *rxr; 2386 u32 ctrl; 2387 int i; 2388 bool hwtagging; 2389 2390 /* Enable HW tagging only if any vlan is attached */ 2391 hwtagging = (ec->ec_capenable & ETHERCAP_VLAN_HWTAGGING) 2392 && VLAN_ATTACHED(ec); 2393 2394 /* Setup the queues for vlans */ 2395 for (i = 0; i < adapter->num_queues; i++) { 2396 rxr = &adapter->rx_rings[i]; 2397 /* 2398 * On 82599 and later, the VLAN enable is per/queue in RXDCTL. 2399 */ 2400 if (hw->mac.type != ixgbe_mac_82598EB) { 2401 ctrl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(rxr->me)); 2402 if (hwtagging) 2403 ctrl |= IXGBE_RXDCTL_VME; 2404 else 2405 ctrl &= ~IXGBE_RXDCTL_VME; 2406 IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(rxr->me), ctrl); 2407 } 2408 rxr->vtag_strip = hwtagging ? TRUE : FALSE; 2409 } 2410 2411 /* VLAN hw tagging for 82598 */ 2412 if (hw->mac.type == ixgbe_mac_82598EB) { 2413 ctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL); 2414 if (hwtagging) 2415 ctrl |= IXGBE_VLNCTRL_VME; 2416 else 2417 ctrl &= ~IXGBE_VLNCTRL_VME; 2418 IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, ctrl); 2419 } 2420 } /* ixgbe_setup_vlan_hw_tagging */ 2421 2422 static void 2423 ixgbe_setup_vlan_hw_support(struct adapter *adapter) 2424 { 2425 struct ethercom *ec = &adapter->osdep.ec; 2426 struct ixgbe_hw *hw = &adapter->hw; 2427 int i; 2428 u32 ctrl; 2429 struct vlanid_list *vlanidp; 2430 2431 /* 2432 * This function is called from both if_init and ifflags_cb() 2433 * on NetBSD. 2434 */ 2435 2436 /* 2437 * Part 1: 2438 * Setup VLAN HW tagging 2439 */ 2440 ixgbe_setup_vlan_hw_tagging(adapter); 2441 2442 /* 2443 * Part 2: 2444 * Setup VLAN HW filter 2445 */ 2446 /* Cleanup shadow_vfta */ 2447 for (i = 0; i < IXGBE_VFTA_SIZE; i++) 2448 adapter->shadow_vfta[i] = 0; 2449 /* Generate shadow_vfta from ec_vids */ 2450 ETHER_LOCK(ec); 2451 SIMPLEQ_FOREACH(vlanidp, &ec->ec_vids, vid_list) { 2452 uint32_t idx; 2453 2454 idx = vlanidp->vid / 32; 2455 KASSERT(idx < IXGBE_VFTA_SIZE); 2456 adapter->shadow_vfta[idx] |= (u32)1 << (vlanidp->vid % 32); 2457 } 2458 ETHER_UNLOCK(ec); 2459 for (i = 0; i < IXGBE_VFTA_SIZE; i++) 2460 IXGBE_WRITE_REG(hw, IXGBE_VFTA(i), adapter->shadow_vfta[i]); 2461 2462 ctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL); 2463 /* Enable the Filter Table if enabled */ 2464 if (ec->ec_capenable & ETHERCAP_VLAN_HWFILTER) 2465 ctrl |= IXGBE_VLNCTRL_VFE; 2466 else 2467 ctrl &= ~IXGBE_VLNCTRL_VFE; 2468 IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, ctrl); 2469 } /* ixgbe_setup_vlan_hw_support */ 2470 2471 /************************************************************************ 2472 * ixgbe_get_slot_info 2473 * 2474 * Get the width and transaction speed of 2475 * the slot this adapter is plugged into. 2476 ************************************************************************/ 2477 static void 2478 ixgbe_get_slot_info(struct adapter *adapter) 2479 { 2480 device_t dev = adapter->dev; 2481 struct ixgbe_hw *hw = &adapter->hw; 2482 u32 offset; 2483 u16 link; 2484 int bus_info_valid = TRUE; 2485 2486 /* Some devices are behind an internal bridge */ 2487 switch (hw->device_id) { 2488 case IXGBE_DEV_ID_82599_SFP_SF_QP: 2489 case IXGBE_DEV_ID_82599_QSFP_SF_QP: 2490 goto get_parent_info; 2491 default: 2492 break; 2493 } 2494 2495 ixgbe_get_bus_info(hw); 2496 2497 /* 2498 * Some devices don't use PCI-E, but there is no need 2499 * to display "Unknown" for bus speed and width. 2500 */ 2501 switch (hw->mac.type) { 2502 case ixgbe_mac_X550EM_x: 2503 case ixgbe_mac_X550EM_a: 2504 return; 2505 default: 2506 goto display; 2507 } 2508 2509 get_parent_info: 2510 /* 2511 * For the Quad port adapter we need to parse back 2512 * up the PCI tree to find the speed of the expansion 2513 * slot into which this adapter is plugged. A bit more work. 2514 */ 2515 dev = device_parent(device_parent(dev)); 2516 #if 0 2517 #ifdef IXGBE_DEBUG 2518 device_printf(dev, "parent pcib = %x,%x,%x\n", pci_get_bus(dev), 2519 pci_get_slot(dev), pci_get_function(dev)); 2520 #endif 2521 dev = device_parent(device_parent(dev)); 2522 #ifdef IXGBE_DEBUG 2523 device_printf(dev, "slot pcib = %x,%x,%x\n", pci_get_bus(dev), 2524 pci_get_slot(dev), pci_get_function(dev)); 2525 #endif 2526 #endif 2527 /* Now get the PCI Express Capabilities offset */ 2528 if (pci_get_capability(adapter->osdep.pc, adapter->osdep.tag, 2529 PCI_CAP_PCIEXPRESS, &offset, NULL)) { 2530 /* 2531 * Hmm...can't get PCI-Express capabilities. 2532 * Falling back to default method. 2533 */ 2534 bus_info_valid = FALSE; 2535 ixgbe_get_bus_info(hw); 2536 goto display; 2537 } 2538 /* ...and read the Link Status Register */ 2539 link = pci_conf_read(adapter->osdep.pc, adapter->osdep.tag, 2540 offset + PCIE_LCSR) >> 16; 2541 ixgbe_set_pci_config_data_generic(hw, link); 2542 2543 display: 2544 device_printf(dev, "PCI Express Bus: Speed %s Width %s\n", 2545 ((hw->bus.speed == ixgbe_bus_speed_8000) ? "8.0GT/s" : 2546 (hw->bus.speed == ixgbe_bus_speed_5000) ? "5.0GT/s" : 2547 (hw->bus.speed == ixgbe_bus_speed_2500) ? "2.5GT/s" : 2548 "Unknown"), 2549 ((hw->bus.width == ixgbe_bus_width_pcie_x8) ? "x8" : 2550 (hw->bus.width == ixgbe_bus_width_pcie_x4) ? "x4" : 2551 (hw->bus.width == ixgbe_bus_width_pcie_x1) ? "x1" : 2552 "Unknown")); 2553 2554 if (bus_info_valid) { 2555 if ((hw->device_id != IXGBE_DEV_ID_82599_SFP_SF_QP) && 2556 ((hw->bus.width <= ixgbe_bus_width_pcie_x4) && 2557 (hw->bus.speed == ixgbe_bus_speed_2500))) { 2558 device_printf(dev, "PCI-Express bandwidth available" 2559 " for this card\n is not sufficient for" 2560 " optimal performance.\n"); 2561 device_printf(dev, "For optimal performance a x8 " 2562 "PCIE, or x4 PCIE Gen2 slot is required.\n"); 2563 } 2564 if ((hw->device_id == IXGBE_DEV_ID_82599_SFP_SF_QP) && 2565 ((hw->bus.width <= ixgbe_bus_width_pcie_x8) && 2566 (hw->bus.speed < ixgbe_bus_speed_8000))) { 2567 device_printf(dev, "PCI-Express bandwidth available" 2568 " for this card\n is not sufficient for" 2569 " optimal performance.\n"); 2570 device_printf(dev, "For optimal performance a x8 " 2571 "PCIE Gen3 slot is required.\n"); 2572 } 2573 } else 2574 device_printf(dev, "Unable to determine slot speed/width. The speed/width reported are that of the internal switch.\n"); 2575 2576 return; 2577 } /* ixgbe_get_slot_info */ 2578 2579 /************************************************************************ 2580 * ixgbe_enable_queue - MSI-X Interrupt Handlers and Tasklets 2581 ************************************************************************/ 2582 static inline void 2583 ixgbe_enable_queue(struct adapter *adapter, u32 vector) 2584 { 2585 struct ixgbe_hw *hw = &adapter->hw; 2586 struct ix_queue *que = &adapter->queues[vector]; 2587 u64 queue = 1ULL << vector; 2588 u32 mask; 2589 2590 mutex_enter(&que->dc_mtx); 2591 if (que->disabled_count > 0 && --que->disabled_count > 0) 2592 goto out; 2593 2594 if (hw->mac.type == ixgbe_mac_82598EB) { 2595 mask = (IXGBE_EIMS_RTX_QUEUE & queue); 2596 IXGBE_WRITE_REG(hw, IXGBE_EIMS, mask); 2597 } else { 2598 mask = (queue & 0xFFFFFFFF); 2599 if (mask) 2600 IXGBE_WRITE_REG(hw, IXGBE_EIMS_EX(0), mask); 2601 mask = (queue >> 32); 2602 if (mask) 2603 IXGBE_WRITE_REG(hw, IXGBE_EIMS_EX(1), mask); 2604 } 2605 out: 2606 mutex_exit(&que->dc_mtx); 2607 } /* ixgbe_enable_queue */ 2608 2609 /************************************************************************ 2610 * ixgbe_disable_queue_internal 2611 ************************************************************************/ 2612 static inline void 2613 ixgbe_disable_queue_internal(struct adapter *adapter, u32 vector, bool nestok) 2614 { 2615 struct ixgbe_hw *hw = &adapter->hw; 2616 struct ix_queue *que = &adapter->queues[vector]; 2617 u64 queue = 1ULL << vector; 2618 u32 mask; 2619 2620 mutex_enter(&que->dc_mtx); 2621 2622 if (que->disabled_count > 0) { 2623 if (nestok) 2624 que->disabled_count++; 2625 goto out; 2626 } 2627 que->disabled_count++; 2628 2629 if (hw->mac.type == ixgbe_mac_82598EB) { 2630 mask = (IXGBE_EIMS_RTX_QUEUE & queue); 2631 IXGBE_WRITE_REG(hw, IXGBE_EIMC, mask); 2632 } else { 2633 mask = (queue & 0xFFFFFFFF); 2634 if (mask) 2635 IXGBE_WRITE_REG(hw, IXGBE_EIMC_EX(0), mask); 2636 mask = (queue >> 32); 2637 if (mask) 2638 IXGBE_WRITE_REG(hw, IXGBE_EIMC_EX(1), mask); 2639 } 2640 out: 2641 mutex_exit(&que->dc_mtx); 2642 } /* ixgbe_disable_queue_internal */ 2643 2644 /************************************************************************ 2645 * ixgbe_disable_queue 2646 ************************************************************************/ 2647 static inline void 2648 ixgbe_disable_queue(struct adapter *adapter, u32 vector) 2649 { 2650 2651 ixgbe_disable_queue_internal(adapter, vector, true); 2652 } /* ixgbe_disable_queue */ 2653 2654 /************************************************************************ 2655 * ixgbe_sched_handle_que - schedule deferred packet processing 2656 ************************************************************************/ 2657 static inline void 2658 ixgbe_sched_handle_que(struct adapter *adapter, struct ix_queue *que) 2659 { 2660 2661 if (que->txrx_use_workqueue) { 2662 /* 2663 * adapter->que_wq is bound to each CPU instead of 2664 * each NIC queue to reduce workqueue kthread. As we 2665 * should consider about interrupt affinity in this 2666 * function, the workqueue kthread must be WQ_PERCPU. 2667 * If create WQ_PERCPU workqueue kthread for each NIC 2668 * queue, that number of created workqueue kthread is 2669 * (number of used NIC queue) * (number of CPUs) = 2670 * (number of CPUs) ^ 2 most often. 2671 * 2672 * The same NIC queue's interrupts are avoided by 2673 * masking the queue's interrupt. And different 2674 * NIC queue's interrupts use different struct work 2675 * (que->wq_cookie). So, "enqueued flag" to avoid 2676 * twice workqueue_enqueue() is not required . 2677 */ 2678 workqueue_enqueue(adapter->que_wq, &que->wq_cookie, curcpu()); 2679 } else { 2680 softint_schedule(que->que_si); 2681 } 2682 } 2683 2684 /************************************************************************ 2685 * ixgbe_msix_que - MSI-X Queue Interrupt Service routine 2686 ************************************************************************/ 2687 static int 2688 ixgbe_msix_que(void *arg) 2689 { 2690 struct ix_queue *que = arg; 2691 struct adapter *adapter = que->adapter; 2692 struct ifnet *ifp = adapter->ifp; 2693 struct tx_ring *txr = que->txr; 2694 struct rx_ring *rxr = que->rxr; 2695 bool more; 2696 u32 newitr = 0; 2697 2698 /* Protect against spurious interrupts */ 2699 if ((ifp->if_flags & IFF_RUNNING) == 0) 2700 return 0; 2701 2702 ixgbe_disable_queue(adapter, que->msix); 2703 ++que->irqs.ev_count; 2704 2705 /* 2706 * Don't change "que->txrx_use_workqueue" from this point to avoid 2707 * flip-flopping softint/workqueue mode in one deferred processing. 2708 */ 2709 que->txrx_use_workqueue = adapter->txrx_use_workqueue; 2710 2711 #ifdef __NetBSD__ 2712 /* Don't run ixgbe_rxeof in interrupt context */ 2713 more = true; 2714 #else 2715 more = ixgbe_rxeof(que); 2716 #endif 2717 2718 IXGBE_TX_LOCK(txr); 2719 ixgbe_txeof(txr); 2720 IXGBE_TX_UNLOCK(txr); 2721 2722 /* Do AIM now? */ 2723 2724 if (adapter->enable_aim == false) 2725 goto no_calc; 2726 /* 2727 * Do Adaptive Interrupt Moderation: 2728 * - Write out last calculated setting 2729 * - Calculate based on average size over 2730 * the last interval. 2731 */ 2732 if (que->eitr_setting) 2733 ixgbe_eitr_write(adapter, que->msix, que->eitr_setting); 2734 2735 que->eitr_setting = 0; 2736 2737 /* Idle, do nothing */ 2738 if ((txr->bytes == 0) && (rxr->bytes == 0)) 2739 goto no_calc; 2740 2741 if ((txr->bytes) && (txr->packets)) 2742 newitr = txr->bytes/txr->packets; 2743 if ((rxr->bytes) && (rxr->packets)) 2744 newitr = uimax(newitr, (rxr->bytes / rxr->packets)); 2745 newitr += 24; /* account for hardware frame, crc */ 2746 2747 /* set an upper boundary */ 2748 newitr = uimin(newitr, 3000); 2749 2750 /* Be nice to the mid range */ 2751 if ((newitr > 300) && (newitr < 1200)) 2752 newitr = (newitr / 3); 2753 else 2754 newitr = (newitr / 2); 2755 2756 /* 2757 * When RSC is used, ITR interval must be larger than RSC_DELAY. 2758 * Currently, we use 2us for RSC_DELAY. The minimum value is always 2759 * greater than 2us on 100M (and 10M?(not documented)), but it's not 2760 * on 1G and higher. 2761 */ 2762 if ((adapter->link_speed != IXGBE_LINK_SPEED_100_FULL) 2763 && (adapter->link_speed != IXGBE_LINK_SPEED_10_FULL)) { 2764 if (newitr < IXGBE_MIN_RSC_EITR_10G1G) 2765 newitr = IXGBE_MIN_RSC_EITR_10G1G; 2766 } 2767 2768 /* save for next interrupt */ 2769 que->eitr_setting = newitr; 2770 2771 /* Reset state */ 2772 txr->bytes = 0; 2773 txr->packets = 0; 2774 rxr->bytes = 0; 2775 rxr->packets = 0; 2776 2777 no_calc: 2778 if (more) 2779 ixgbe_sched_handle_que(adapter, que); 2780 else 2781 ixgbe_enable_queue(adapter, que->msix); 2782 2783 return 1; 2784 } /* ixgbe_msix_que */ 2785 2786 /************************************************************************ 2787 * ixgbe_media_status - Media Ioctl callback 2788 * 2789 * Called whenever the user queries the status of 2790 * the interface using ifconfig. 2791 ************************************************************************/ 2792 static void 2793 ixgbe_media_status(struct ifnet *ifp, struct ifmediareq *ifmr) 2794 { 2795 struct adapter *adapter = ifp->if_softc; 2796 struct ixgbe_hw *hw = &adapter->hw; 2797 int layer; 2798 2799 INIT_DEBUGOUT("ixgbe_media_status: begin"); 2800 IXGBE_CORE_LOCK(adapter); 2801 ixgbe_update_link_status(adapter); 2802 2803 ifmr->ifm_status = IFM_AVALID; 2804 ifmr->ifm_active = IFM_ETHER; 2805 2806 if (adapter->link_active != LINK_STATE_UP) { 2807 ifmr->ifm_active |= IFM_NONE; 2808 IXGBE_CORE_UNLOCK(adapter); 2809 return; 2810 } 2811 2812 ifmr->ifm_status |= IFM_ACTIVE; 2813 layer = adapter->phy_layer; 2814 2815 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_T || 2816 layer & IXGBE_PHYSICAL_LAYER_5GBASE_T || 2817 layer & IXGBE_PHYSICAL_LAYER_2500BASE_T || 2818 layer & IXGBE_PHYSICAL_LAYER_1000BASE_T || 2819 layer & IXGBE_PHYSICAL_LAYER_100BASE_TX || 2820 layer & IXGBE_PHYSICAL_LAYER_10BASE_T) 2821 switch (adapter->link_speed) { 2822 case IXGBE_LINK_SPEED_10GB_FULL: 2823 ifmr->ifm_active |= IFM_10G_T | IFM_FDX; 2824 break; 2825 case IXGBE_LINK_SPEED_5GB_FULL: 2826 ifmr->ifm_active |= IFM_5000_T | IFM_FDX; 2827 break; 2828 case IXGBE_LINK_SPEED_2_5GB_FULL: 2829 ifmr->ifm_active |= IFM_2500_T | IFM_FDX; 2830 break; 2831 case IXGBE_LINK_SPEED_1GB_FULL: 2832 ifmr->ifm_active |= IFM_1000_T | IFM_FDX; 2833 break; 2834 case IXGBE_LINK_SPEED_100_FULL: 2835 ifmr->ifm_active |= IFM_100_TX | IFM_FDX; 2836 break; 2837 case IXGBE_LINK_SPEED_10_FULL: 2838 ifmr->ifm_active |= IFM_10_T | IFM_FDX; 2839 break; 2840 } 2841 if (layer & IXGBE_PHYSICAL_LAYER_SFP_PLUS_CU || 2842 layer & IXGBE_PHYSICAL_LAYER_SFP_ACTIVE_DA) 2843 switch (adapter->link_speed) { 2844 case IXGBE_LINK_SPEED_10GB_FULL: 2845 ifmr->ifm_active |= IFM_10G_TWINAX | IFM_FDX; 2846 break; 2847 } 2848 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_LR) 2849 switch (adapter->link_speed) { 2850 case IXGBE_LINK_SPEED_10GB_FULL: 2851 ifmr->ifm_active |= IFM_10G_LR | IFM_FDX; 2852 break; 2853 case IXGBE_LINK_SPEED_1GB_FULL: 2854 ifmr->ifm_active |= IFM_1000_LX | IFM_FDX; 2855 break; 2856 } 2857 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_LRM) 2858 switch (adapter->link_speed) { 2859 case IXGBE_LINK_SPEED_10GB_FULL: 2860 ifmr->ifm_active |= IFM_10G_LRM | IFM_FDX; 2861 break; 2862 case IXGBE_LINK_SPEED_1GB_FULL: 2863 ifmr->ifm_active |= IFM_1000_LX | IFM_FDX; 2864 break; 2865 } 2866 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_SR || 2867 layer & IXGBE_PHYSICAL_LAYER_1000BASE_SX) 2868 switch (adapter->link_speed) { 2869 case IXGBE_LINK_SPEED_10GB_FULL: 2870 ifmr->ifm_active |= IFM_10G_SR | IFM_FDX; 2871 break; 2872 case IXGBE_LINK_SPEED_1GB_FULL: 2873 ifmr->ifm_active |= IFM_1000_SX | IFM_FDX; 2874 break; 2875 } 2876 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_CX4) 2877 switch (adapter->link_speed) { 2878 case IXGBE_LINK_SPEED_10GB_FULL: 2879 ifmr->ifm_active |= IFM_10G_CX4 | IFM_FDX; 2880 break; 2881 } 2882 /* 2883 * XXX: These need to use the proper media types once 2884 * they're added. 2885 */ 2886 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KR) 2887 switch (adapter->link_speed) { 2888 case IXGBE_LINK_SPEED_10GB_FULL: 2889 ifmr->ifm_active |= IFM_10G_KR | IFM_FDX; 2890 break; 2891 case IXGBE_LINK_SPEED_2_5GB_FULL: 2892 ifmr->ifm_active |= IFM_2500_KX | IFM_FDX; 2893 break; 2894 case IXGBE_LINK_SPEED_1GB_FULL: 2895 ifmr->ifm_active |= IFM_1000_KX | IFM_FDX; 2896 break; 2897 } 2898 else if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KX4 || 2899 layer & IXGBE_PHYSICAL_LAYER_2500BASE_KX || 2900 layer & IXGBE_PHYSICAL_LAYER_1000BASE_KX) 2901 switch (adapter->link_speed) { 2902 case IXGBE_LINK_SPEED_10GB_FULL: 2903 ifmr->ifm_active |= IFM_10G_KX4 | IFM_FDX; 2904 break; 2905 case IXGBE_LINK_SPEED_2_5GB_FULL: 2906 ifmr->ifm_active |= IFM_2500_KX | IFM_FDX; 2907 break; 2908 case IXGBE_LINK_SPEED_1GB_FULL: 2909 ifmr->ifm_active |= IFM_1000_KX | IFM_FDX; 2910 break; 2911 } 2912 2913 /* If nothing is recognized... */ 2914 #if 0 2915 if (IFM_SUBTYPE(ifmr->ifm_active) == 0) 2916 ifmr->ifm_active |= IFM_UNKNOWN; 2917 #endif 2918 2919 ifp->if_baudrate = ifmedia_baudrate(ifmr->ifm_active); 2920 2921 /* Display current flow control setting used on link */ 2922 if (hw->fc.current_mode == ixgbe_fc_rx_pause || 2923 hw->fc.current_mode == ixgbe_fc_full) 2924 ifmr->ifm_active |= IFM_ETH_RXPAUSE; 2925 if (hw->fc.current_mode == ixgbe_fc_tx_pause || 2926 hw->fc.current_mode == ixgbe_fc_full) 2927 ifmr->ifm_active |= IFM_ETH_TXPAUSE; 2928 2929 IXGBE_CORE_UNLOCK(adapter); 2930 2931 return; 2932 } /* ixgbe_media_status */ 2933 2934 /************************************************************************ 2935 * ixgbe_media_change - Media Ioctl callback 2936 * 2937 * Called when the user changes speed/duplex using 2938 * media/mediopt option with ifconfig. 2939 ************************************************************************/ 2940 static int 2941 ixgbe_media_change(struct ifnet *ifp) 2942 { 2943 struct adapter *adapter = ifp->if_softc; 2944 struct ifmedia *ifm = &adapter->media; 2945 struct ixgbe_hw *hw = &adapter->hw; 2946 ixgbe_link_speed speed = 0; 2947 ixgbe_link_speed link_caps = 0; 2948 bool negotiate = false; 2949 s32 err = IXGBE_NOT_IMPLEMENTED; 2950 2951 INIT_DEBUGOUT("ixgbe_media_change: begin"); 2952 2953 if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER) 2954 return (EINVAL); 2955 2956 if (hw->phy.media_type == ixgbe_media_type_backplane) 2957 return (EPERM); 2958 2959 IXGBE_CORE_LOCK(adapter); 2960 /* 2961 * We don't actually need to check against the supported 2962 * media types of the adapter; ifmedia will take care of 2963 * that for us. 2964 */ 2965 switch (IFM_SUBTYPE(ifm->ifm_media)) { 2966 case IFM_AUTO: 2967 err = hw->mac.ops.get_link_capabilities(hw, &link_caps, 2968 &negotiate); 2969 if (err != IXGBE_SUCCESS) { 2970 device_printf(adapter->dev, "Unable to determine " 2971 "supported advertise speeds\n"); 2972 IXGBE_CORE_UNLOCK(adapter); 2973 return (ENODEV); 2974 } 2975 speed |= link_caps; 2976 break; 2977 case IFM_10G_T: 2978 case IFM_10G_LRM: 2979 case IFM_10G_LR: 2980 case IFM_10G_TWINAX: 2981 case IFM_10G_SR: 2982 case IFM_10G_CX4: 2983 case IFM_10G_KR: 2984 case IFM_10G_KX4: 2985 speed |= IXGBE_LINK_SPEED_10GB_FULL; 2986 break; 2987 case IFM_5000_T: 2988 speed |= IXGBE_LINK_SPEED_5GB_FULL; 2989 break; 2990 case IFM_2500_T: 2991 case IFM_2500_KX: 2992 speed |= IXGBE_LINK_SPEED_2_5GB_FULL; 2993 break; 2994 case IFM_1000_T: 2995 case IFM_1000_LX: 2996 case IFM_1000_SX: 2997 case IFM_1000_KX: 2998 speed |= IXGBE_LINK_SPEED_1GB_FULL; 2999 break; 3000 case IFM_100_TX: 3001 speed |= IXGBE_LINK_SPEED_100_FULL; 3002 break; 3003 case IFM_10_T: 3004 speed |= IXGBE_LINK_SPEED_10_FULL; 3005 break; 3006 case IFM_NONE: 3007 break; 3008 default: 3009 goto invalid; 3010 } 3011 3012 hw->mac.autotry_restart = TRUE; 3013 hw->mac.ops.setup_link(hw, speed, TRUE); 3014 adapter->advertise = 0; 3015 if (IFM_SUBTYPE(ifm->ifm_media) != IFM_AUTO) { 3016 if ((speed & IXGBE_LINK_SPEED_10GB_FULL) != 0) 3017 adapter->advertise |= 1 << 2; 3018 if ((speed & IXGBE_LINK_SPEED_1GB_FULL) != 0) 3019 adapter->advertise |= 1 << 1; 3020 if ((speed & IXGBE_LINK_SPEED_100_FULL) != 0) 3021 adapter->advertise |= 1 << 0; 3022 if ((speed & IXGBE_LINK_SPEED_10_FULL) != 0) 3023 adapter->advertise |= 1 << 3; 3024 if ((speed & IXGBE_LINK_SPEED_2_5GB_FULL) != 0) 3025 adapter->advertise |= 1 << 4; 3026 if ((speed & IXGBE_LINK_SPEED_5GB_FULL) != 0) 3027 adapter->advertise |= 1 << 5; 3028 } 3029 3030 IXGBE_CORE_UNLOCK(adapter); 3031 return (0); 3032 3033 invalid: 3034 device_printf(adapter->dev, "Invalid media type!\n"); 3035 IXGBE_CORE_UNLOCK(adapter); 3036 3037 return (EINVAL); 3038 } /* ixgbe_media_change */ 3039 3040 /************************************************************************ 3041 * ixgbe_msix_link - Link status change ISR (MSI/MSI-X) 3042 ************************************************************************/ 3043 static int 3044 ixgbe_msix_link(void *arg) 3045 { 3046 struct adapter *adapter = arg; 3047 struct ixgbe_hw *hw = &adapter->hw; 3048 u32 eicr, eicr_mask; 3049 s32 retval; 3050 3051 ++adapter->link_irq.ev_count; 3052 3053 /* Pause other interrupts */ 3054 IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_EIMC_OTHER); 3055 3056 /* First get the cause */ 3057 /* 3058 * The specifications of 82598, 82599, X540 and X550 say EICS register 3059 * is write only. However, Linux says it is a workaround for silicon 3060 * errata to read EICS instead of EICR to get interrupt cause. It seems 3061 * there is a problem about read clear mechanism for EICR register. 3062 */ 3063 eicr = IXGBE_READ_REG(hw, IXGBE_EICS); 3064 /* Be sure the queue bits are not cleared */ 3065 eicr &= ~IXGBE_EICR_RTX_QUEUE; 3066 /* Clear interrupt with write */ 3067 IXGBE_WRITE_REG(hw, IXGBE_EICR, eicr); 3068 3069 if (ixgbe_is_sfp(hw)) { 3070 /* Pluggable optics-related interrupt */ 3071 if (hw->mac.type >= ixgbe_mac_X540) 3072 eicr_mask = IXGBE_EICR_GPI_SDP0_X540; 3073 else 3074 eicr_mask = IXGBE_EICR_GPI_SDP2_BY_MAC(hw); 3075 3076 /* 3077 * An interrupt might not arrive when a module is inserted. 3078 * When an link status change interrupt occurred and the driver 3079 * still regard SFP as unplugged, issue the module softint 3080 * and then issue LSC interrupt. 3081 */ 3082 if ((eicr & eicr_mask) 3083 || ((hw->phy.sfp_type == ixgbe_sfp_type_not_present) 3084 && (eicr & IXGBE_EICR_LSC))) { 3085 IXGBE_WRITE_REG(hw, IXGBE_EICR, eicr_mask); 3086 softint_schedule(adapter->mod_si); 3087 } 3088 3089 if ((hw->mac.type == ixgbe_mac_82599EB) && 3090 (eicr & IXGBE_EICR_GPI_SDP1_BY_MAC(hw))) { 3091 IXGBE_WRITE_REG(hw, IXGBE_EICR, 3092 IXGBE_EICR_GPI_SDP1_BY_MAC(hw)); 3093 softint_schedule(adapter->msf_si); 3094 } 3095 } 3096 3097 /* Link status change */ 3098 if (eicr & IXGBE_EICR_LSC) { 3099 IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_EIMC_LSC); 3100 softint_schedule(adapter->link_si); 3101 } 3102 3103 if (adapter->hw.mac.type != ixgbe_mac_82598EB) { 3104 if ((adapter->feat_en & IXGBE_FEATURE_FDIR) && 3105 (eicr & IXGBE_EICR_FLOW_DIR)) { 3106 /* This is probably overkill :) */ 3107 if (!atomic_cas_uint(&adapter->fdir_reinit, 0, 1)) 3108 return 1; 3109 /* Disable the interrupt */ 3110 IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_EIMC_FLOW_DIR); 3111 softint_schedule(adapter->fdir_si); 3112 } 3113 3114 if (eicr & IXGBE_EICR_ECC) { 3115 device_printf(adapter->dev, 3116 "CRITICAL: ECC ERROR!! Please Reboot!!\n"); 3117 IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_ECC); 3118 } 3119 3120 /* Check for over temp condition */ 3121 if (adapter->feat_en & IXGBE_FEATURE_TEMP_SENSOR) { 3122 switch (adapter->hw.mac.type) { 3123 case ixgbe_mac_X550EM_a: 3124 if (!(eicr & IXGBE_EICR_GPI_SDP0_X550EM_a)) 3125 break; 3126 IXGBE_WRITE_REG(hw, IXGBE_EIMC, 3127 IXGBE_EICR_GPI_SDP0_X550EM_a); 3128 IXGBE_WRITE_REG(hw, IXGBE_EICR, 3129 IXGBE_EICR_GPI_SDP0_X550EM_a); 3130 retval = hw->phy.ops.check_overtemp(hw); 3131 if (retval != IXGBE_ERR_OVERTEMP) 3132 break; 3133 device_printf(adapter->dev, "CRITICAL: OVER TEMP!! PHY IS SHUT DOWN!!\n"); 3134 device_printf(adapter->dev, "System shutdown required!\n"); 3135 break; 3136 default: 3137 if (!(eicr & IXGBE_EICR_TS)) 3138 break; 3139 retval = hw->phy.ops.check_overtemp(hw); 3140 if (retval != IXGBE_ERR_OVERTEMP) 3141 break; 3142 device_printf(adapter->dev, "CRITICAL: OVER TEMP!! PHY IS SHUT DOWN!!\n"); 3143 device_printf(adapter->dev, "System shutdown required!\n"); 3144 IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_TS); 3145 break; 3146 } 3147 } 3148 3149 /* Check for VF message */ 3150 if ((adapter->feat_en & IXGBE_FEATURE_SRIOV) && 3151 (eicr & IXGBE_EICR_MAILBOX)) 3152 softint_schedule(adapter->mbx_si); 3153 } 3154 3155 /* Check for fan failure */ 3156 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) { 3157 ixgbe_check_fan_failure(adapter, eicr, TRUE); 3158 IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_GPI_SDP1_BY_MAC(hw)); 3159 } 3160 3161 /* External PHY interrupt */ 3162 if ((hw->phy.type == ixgbe_phy_x550em_ext_t) && 3163 (eicr & IXGBE_EICR_GPI_SDP0_X540)) { 3164 IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_GPI_SDP0_X540); 3165 softint_schedule(adapter->phy_si); 3166 } 3167 3168 /* Re-enable other interrupts */ 3169 IXGBE_WRITE_REG(hw, IXGBE_EIMS, IXGBE_EIMS_OTHER); 3170 return 1; 3171 } /* ixgbe_msix_link */ 3172 3173 static void 3174 ixgbe_eitr_write(struct adapter *adapter, uint32_t index, uint32_t itr) 3175 { 3176 3177 if (adapter->hw.mac.type == ixgbe_mac_82598EB) 3178 itr |= itr << 16; 3179 else 3180 itr |= IXGBE_EITR_CNT_WDIS; 3181 3182 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EITR(index), itr); 3183 } 3184 3185 3186 /************************************************************************ 3187 * ixgbe_sysctl_interrupt_rate_handler 3188 ************************************************************************/ 3189 static int 3190 ixgbe_sysctl_interrupt_rate_handler(SYSCTLFN_ARGS) 3191 { 3192 struct sysctlnode node = *rnode; 3193 struct ix_queue *que = (struct ix_queue *)node.sysctl_data; 3194 struct adapter *adapter; 3195 uint32_t reg, usec, rate; 3196 int error; 3197 3198 if (que == NULL) 3199 return 0; 3200 3201 adapter = que->adapter; 3202 if (ixgbe_fw_recovery_mode_swflag(adapter)) 3203 return (EPERM); 3204 3205 reg = IXGBE_READ_REG(&adapter->hw, IXGBE_EITR(que->msix)); 3206 usec = ((reg & 0x0FF8) >> 3); 3207 if (usec > 0) 3208 rate = 500000 / usec; 3209 else 3210 rate = 0; 3211 node.sysctl_data = &rate; 3212 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 3213 if (error || newp == NULL) 3214 return error; 3215 reg &= ~0xfff; /* default, no limitation */ 3216 if (rate > 0 && rate < 500000) { 3217 if (rate < 1000) 3218 rate = 1000; 3219 reg |= ((4000000/rate) & 0xff8); 3220 /* 3221 * When RSC is used, ITR interval must be larger than 3222 * RSC_DELAY. Currently, we use 2us for RSC_DELAY. 3223 * The minimum value is always greater than 2us on 100M 3224 * (and 10M?(not documented)), but it's not on 1G and higher. 3225 */ 3226 if ((adapter->link_speed != IXGBE_LINK_SPEED_100_FULL) 3227 && (adapter->link_speed != IXGBE_LINK_SPEED_10_FULL)) { 3228 if ((adapter->num_queues > 1) 3229 && (reg < IXGBE_MIN_RSC_EITR_10G1G)) 3230 return EINVAL; 3231 } 3232 ixgbe_max_interrupt_rate = rate; 3233 } else 3234 ixgbe_max_interrupt_rate = 0; 3235 ixgbe_eitr_write(adapter, que->msix, reg); 3236 3237 return (0); 3238 } /* ixgbe_sysctl_interrupt_rate_handler */ 3239 3240 const struct sysctlnode * 3241 ixgbe_sysctl_instance(struct adapter *adapter) 3242 { 3243 const char *dvname; 3244 struct sysctllog **log; 3245 int rc; 3246 const struct sysctlnode *rnode; 3247 3248 if (adapter->sysctltop != NULL) 3249 return adapter->sysctltop; 3250 3251 log = &adapter->sysctllog; 3252 dvname = device_xname(adapter->dev); 3253 3254 if ((rc = sysctl_createv(log, 0, NULL, &rnode, 3255 0, CTLTYPE_NODE, dvname, 3256 SYSCTL_DESCR("ixgbe information and settings"), 3257 NULL, 0, NULL, 0, CTL_HW, CTL_CREATE, CTL_EOL)) != 0) 3258 goto err; 3259 3260 return rnode; 3261 err: 3262 device_printf(adapter->dev, 3263 "%s: sysctl_createv failed, rc = %d\n", __func__, rc); 3264 return NULL; 3265 } 3266 3267 /************************************************************************ 3268 * ixgbe_add_device_sysctls 3269 ************************************************************************/ 3270 static void 3271 ixgbe_add_device_sysctls(struct adapter *adapter) 3272 { 3273 device_t dev = adapter->dev; 3274 struct ixgbe_hw *hw = &adapter->hw; 3275 struct sysctllog **log; 3276 const struct sysctlnode *rnode, *cnode; 3277 3278 log = &adapter->sysctllog; 3279 3280 if ((rnode = ixgbe_sysctl_instance(adapter)) == NULL) { 3281 aprint_error_dev(dev, "could not create sysctl root\n"); 3282 return; 3283 } 3284 3285 if (sysctl_createv(log, 0, &rnode, &cnode, 3286 CTLFLAG_READWRITE, CTLTYPE_INT, 3287 "debug", SYSCTL_DESCR("Debug Info"), 3288 ixgbe_sysctl_debug, 0, (void *)adapter, 0, CTL_CREATE, CTL_EOL) != 0) 3289 aprint_error_dev(dev, "could not create sysctl\n"); 3290 3291 if (sysctl_createv(log, 0, &rnode, &cnode, 3292 CTLFLAG_READONLY, CTLTYPE_INT, 3293 "num_rx_desc", SYSCTL_DESCR("Number of rx descriptors"), 3294 NULL, 0, &adapter->num_rx_desc, 0, CTL_CREATE, CTL_EOL) != 0) 3295 aprint_error_dev(dev, "could not create sysctl\n"); 3296 3297 if (sysctl_createv(log, 0, &rnode, &cnode, 3298 CTLFLAG_READONLY, CTLTYPE_INT, 3299 "num_queues", SYSCTL_DESCR("Number of queues"), 3300 NULL, 0, &adapter->num_queues, 0, CTL_CREATE, CTL_EOL) != 0) 3301 aprint_error_dev(dev, "could not create sysctl\n"); 3302 3303 /* Sysctls for all devices */ 3304 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3305 CTLTYPE_INT, "fc", SYSCTL_DESCR(IXGBE_SYSCTL_DESC_SET_FC), 3306 ixgbe_sysctl_flowcntl, 0, (void *)adapter, 0, CTL_CREATE, 3307 CTL_EOL) != 0) 3308 aprint_error_dev(dev, "could not create sysctl\n"); 3309 3310 adapter->enable_aim = ixgbe_enable_aim; 3311 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3312 CTLTYPE_BOOL, "enable_aim", SYSCTL_DESCR("Interrupt Moderation"), 3313 NULL, 0, &adapter->enable_aim, 0, CTL_CREATE, CTL_EOL) != 0) 3314 aprint_error_dev(dev, "could not create sysctl\n"); 3315 3316 if (sysctl_createv(log, 0, &rnode, &cnode, 3317 CTLFLAG_READWRITE, CTLTYPE_INT, 3318 "advertise_speed", SYSCTL_DESCR(IXGBE_SYSCTL_DESC_ADV_SPEED), 3319 ixgbe_sysctl_advertise, 0, (void *)adapter, 0, CTL_CREATE, 3320 CTL_EOL) != 0) 3321 aprint_error_dev(dev, "could not create sysctl\n"); 3322 3323 /* 3324 * If each "que->txrx_use_workqueue" is changed in sysctl handler, 3325 * it causesflip-flopping softint/workqueue mode in one deferred 3326 * processing. Therefore, preempt_disable()/preempt_enable() are 3327 * required in ixgbe_sched_handle_que() to avoid 3328 * KASSERT(ixgbe_sched_handle_que()) in softint_schedule(). 3329 * I think changing "que->txrx_use_workqueue" in interrupt handler 3330 * is lighter than doing preempt_disable()/preempt_enable() in every 3331 * ixgbe_sched_handle_que(). 3332 */ 3333 adapter->txrx_use_workqueue = ixgbe_txrx_workqueue; 3334 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3335 CTLTYPE_BOOL, "txrx_workqueue", SYSCTL_DESCR("Use workqueue for packet processing"), 3336 NULL, 0, &adapter->txrx_use_workqueue, 0, CTL_CREATE, CTL_EOL) != 0) 3337 aprint_error_dev(dev, "could not create sysctl\n"); 3338 3339 #ifdef IXGBE_DEBUG 3340 /* testing sysctls (for all devices) */ 3341 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3342 CTLTYPE_INT, "power_state", SYSCTL_DESCR("PCI Power State"), 3343 ixgbe_sysctl_power_state, 0, (void *)adapter, 0, CTL_CREATE, 3344 CTL_EOL) != 0) 3345 aprint_error_dev(dev, "could not create sysctl\n"); 3346 3347 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READONLY, 3348 CTLTYPE_STRING, "print_rss_config", 3349 SYSCTL_DESCR("Prints RSS Configuration"), 3350 ixgbe_sysctl_print_rss_config, 0, (void *)adapter, 0, CTL_CREATE, 3351 CTL_EOL) != 0) 3352 aprint_error_dev(dev, "could not create sysctl\n"); 3353 #endif 3354 /* for X550 series devices */ 3355 if (hw->mac.type >= ixgbe_mac_X550) 3356 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3357 CTLTYPE_INT, "dmac", SYSCTL_DESCR("DMA Coalesce"), 3358 ixgbe_sysctl_dmac, 0, (void *)adapter, 0, CTL_CREATE, 3359 CTL_EOL) != 0) 3360 aprint_error_dev(dev, "could not create sysctl\n"); 3361 3362 /* for WoL-capable devices */ 3363 if (adapter->wol_support) { 3364 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3365 CTLTYPE_BOOL, "wol_enable", 3366 SYSCTL_DESCR("Enable/Disable Wake on LAN"), 3367 ixgbe_sysctl_wol_enable, 0, (void *)adapter, 0, CTL_CREATE, 3368 CTL_EOL) != 0) 3369 aprint_error_dev(dev, "could not create sysctl\n"); 3370 3371 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3372 CTLTYPE_INT, "wufc", 3373 SYSCTL_DESCR("Enable/Disable Wake Up Filters"), 3374 ixgbe_sysctl_wufc, 0, (void *)adapter, 0, CTL_CREATE, 3375 CTL_EOL) != 0) 3376 aprint_error_dev(dev, "could not create sysctl\n"); 3377 } 3378 3379 /* for X552/X557-AT devices */ 3380 if (hw->device_id == IXGBE_DEV_ID_X550EM_X_10G_T) { 3381 const struct sysctlnode *phy_node; 3382 3383 if (sysctl_createv(log, 0, &rnode, &phy_node, 0, CTLTYPE_NODE, 3384 "phy", SYSCTL_DESCR("External PHY sysctls"), 3385 NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL) != 0) { 3386 aprint_error_dev(dev, "could not create sysctl\n"); 3387 return; 3388 } 3389 3390 if (sysctl_createv(log, 0, &phy_node, &cnode, CTLFLAG_READONLY, 3391 CTLTYPE_INT, "temp", 3392 SYSCTL_DESCR("Current External PHY Temperature (Celsius)"), 3393 ixgbe_sysctl_phy_temp, 0, (void *)adapter, 0, CTL_CREATE, 3394 CTL_EOL) != 0) 3395 aprint_error_dev(dev, "could not create sysctl\n"); 3396 3397 if (sysctl_createv(log, 0, &phy_node, &cnode, CTLFLAG_READONLY, 3398 CTLTYPE_INT, "overtemp_occurred", 3399 SYSCTL_DESCR("External PHY High Temperature Event Occurred"), 3400 ixgbe_sysctl_phy_overtemp_occurred, 0, (void *)adapter, 0, 3401 CTL_CREATE, CTL_EOL) != 0) 3402 aprint_error_dev(dev, "could not create sysctl\n"); 3403 } 3404 3405 if ((hw->mac.type == ixgbe_mac_X550EM_a) 3406 && (hw->phy.type == ixgbe_phy_fw)) 3407 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3408 CTLTYPE_BOOL, "force_10_100_autonego", 3409 SYSCTL_DESCR("Force autonego on 10M and 100M"), 3410 NULL, 0, &hw->phy.force_10_100_autonego, 0, 3411 CTL_CREATE, CTL_EOL) != 0) 3412 aprint_error_dev(dev, "could not create sysctl\n"); 3413 3414 if (adapter->feat_cap & IXGBE_FEATURE_EEE) { 3415 if (sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE, 3416 CTLTYPE_INT, "eee_state", 3417 SYSCTL_DESCR("EEE Power Save State"), 3418 ixgbe_sysctl_eee_state, 0, (void *)adapter, 0, CTL_CREATE, 3419 CTL_EOL) != 0) 3420 aprint_error_dev(dev, "could not create sysctl\n"); 3421 } 3422 } /* ixgbe_add_device_sysctls */ 3423 3424 /************************************************************************ 3425 * ixgbe_allocate_pci_resources 3426 ************************************************************************/ 3427 static int 3428 ixgbe_allocate_pci_resources(struct adapter *adapter, 3429 const struct pci_attach_args *pa) 3430 { 3431 pcireg_t memtype, csr; 3432 device_t dev = adapter->dev; 3433 bus_addr_t addr; 3434 int flags; 3435 3436 memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, PCI_BAR(0)); 3437 switch (memtype) { 3438 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT: 3439 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT: 3440 adapter->osdep.mem_bus_space_tag = pa->pa_memt; 3441 if (pci_mapreg_info(pa->pa_pc, pa->pa_tag, PCI_BAR(0), 3442 memtype, &addr, &adapter->osdep.mem_size, &flags) != 0) 3443 goto map_err; 3444 if ((flags & BUS_SPACE_MAP_PREFETCHABLE) != 0) { 3445 aprint_normal_dev(dev, "clearing prefetchable bit\n"); 3446 flags &= ~BUS_SPACE_MAP_PREFETCHABLE; 3447 } 3448 if (bus_space_map(adapter->osdep.mem_bus_space_tag, addr, 3449 adapter->osdep.mem_size, flags, 3450 &adapter->osdep.mem_bus_space_handle) != 0) { 3451 map_err: 3452 adapter->osdep.mem_size = 0; 3453 aprint_error_dev(dev, "unable to map BAR0\n"); 3454 return ENXIO; 3455 } 3456 /* 3457 * Enable address decoding for memory range in case BIOS or 3458 * UEFI don't set it. 3459 */ 3460 csr = pci_conf_read(pa->pa_pc, pa->pa_tag, 3461 PCI_COMMAND_STATUS_REG); 3462 csr |= PCI_COMMAND_MEM_ENABLE; 3463 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 3464 csr); 3465 break; 3466 default: 3467 aprint_error_dev(dev, "unexpected type on BAR0\n"); 3468 return ENXIO; 3469 } 3470 3471 return (0); 3472 } /* ixgbe_allocate_pci_resources */ 3473 3474 static void 3475 ixgbe_free_softint(struct adapter *adapter) 3476 { 3477 struct ix_queue *que = adapter->queues; 3478 struct tx_ring *txr = adapter->tx_rings; 3479 int i; 3480 3481 for (i = 0; i < adapter->num_queues; i++, que++, txr++) { 3482 if (!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX)) { 3483 if (txr->txr_si != NULL) 3484 softint_disestablish(txr->txr_si); 3485 } 3486 if (que->que_si != NULL) 3487 softint_disestablish(que->que_si); 3488 } 3489 if (adapter->txr_wq != NULL) 3490 workqueue_destroy(adapter->txr_wq); 3491 if (adapter->txr_wq_enqueued != NULL) 3492 percpu_free(adapter->txr_wq_enqueued, sizeof(u_int)); 3493 if (adapter->que_wq != NULL) 3494 workqueue_destroy(adapter->que_wq); 3495 3496 /* Drain the Link queue */ 3497 if (adapter->link_si != NULL) { 3498 softint_disestablish(adapter->link_si); 3499 adapter->link_si = NULL; 3500 } 3501 if (adapter->mod_si != NULL) { 3502 softint_disestablish(adapter->mod_si); 3503 adapter->mod_si = NULL; 3504 } 3505 if (adapter->msf_si != NULL) { 3506 softint_disestablish(adapter->msf_si); 3507 adapter->msf_si = NULL; 3508 } 3509 if (adapter->phy_si != NULL) { 3510 softint_disestablish(adapter->phy_si); 3511 adapter->phy_si = NULL; 3512 } 3513 if (adapter->feat_en & IXGBE_FEATURE_FDIR) { 3514 if (adapter->fdir_si != NULL) { 3515 softint_disestablish(adapter->fdir_si); 3516 adapter->fdir_si = NULL; 3517 } 3518 } 3519 if (adapter->feat_cap & IXGBE_FEATURE_SRIOV) { 3520 if (adapter->mbx_si != NULL) { 3521 softint_disestablish(adapter->mbx_si); 3522 adapter->mbx_si = NULL; 3523 } 3524 } 3525 } /* ixgbe_free_softint */ 3526 3527 /************************************************************************ 3528 * ixgbe_detach - Device removal routine 3529 * 3530 * Called when the driver is being removed. 3531 * Stops the adapter and deallocates all the resources 3532 * that were allocated for driver operation. 3533 * 3534 * return 0 on success, positive on failure 3535 ************************************************************************/ 3536 static int 3537 ixgbe_detach(device_t dev, int flags) 3538 { 3539 struct adapter *adapter = device_private(dev); 3540 struct rx_ring *rxr = adapter->rx_rings; 3541 struct tx_ring *txr = adapter->tx_rings; 3542 struct ixgbe_hw *hw = &adapter->hw; 3543 struct ixgbe_hw_stats *stats = &adapter->stats.pf; 3544 u32 ctrl_ext; 3545 int i; 3546 3547 INIT_DEBUGOUT("ixgbe_detach: begin"); 3548 if (adapter->osdep.attached == false) 3549 return 0; 3550 3551 if (ixgbe_pci_iov_detach(dev) != 0) { 3552 device_printf(dev, "SR-IOV in use; detach first.\n"); 3553 return (EBUSY); 3554 } 3555 3556 /* 3557 * Stop the interface. ixgbe_setup_low_power_mode() calls ixgbe_stop(), 3558 * so it's not required to call ixgbe_stop() directly. 3559 */ 3560 IXGBE_CORE_LOCK(adapter); 3561 ixgbe_setup_low_power_mode(adapter); 3562 IXGBE_CORE_UNLOCK(adapter); 3563 #if NVLAN > 0 3564 /* Make sure VLANs are not using driver */ 3565 if (!VLAN_ATTACHED(&adapter->osdep.ec)) 3566 ; /* nothing to do: no VLANs */ 3567 else if ((flags & (DETACH_SHUTDOWN | DETACH_FORCE)) != 0) 3568 vlan_ifdetach(adapter->ifp); 3569 else { 3570 aprint_error_dev(dev, "VLANs in use, detach first\n"); 3571 return (EBUSY); 3572 } 3573 #endif 3574 3575 pmf_device_deregister(dev); 3576 3577 ether_ifdetach(adapter->ifp); 3578 3579 ixgbe_free_softint(adapter); 3580 3581 /* let hardware know driver is unloading */ 3582 ctrl_ext = IXGBE_READ_REG(&adapter->hw, IXGBE_CTRL_EXT); 3583 ctrl_ext &= ~IXGBE_CTRL_EXT_DRV_LOAD; 3584 IXGBE_WRITE_REG(&adapter->hw, IXGBE_CTRL_EXT, ctrl_ext); 3585 3586 callout_halt(&adapter->timer, NULL); 3587 if (adapter->feat_en & IXGBE_FEATURE_RECOVERY_MODE) 3588 callout_halt(&adapter->recovery_mode_timer, NULL); 3589 3590 if (adapter->feat_en & IXGBE_FEATURE_NETMAP) 3591 netmap_detach(adapter->ifp); 3592 3593 ixgbe_free_pci_resources(adapter); 3594 #if 0 /* XXX the NetBSD port is probably missing something here */ 3595 bus_generic_detach(dev); 3596 #endif 3597 if_detach(adapter->ifp); 3598 if_percpuq_destroy(adapter->ipq); 3599 3600 sysctl_teardown(&adapter->sysctllog); 3601 evcnt_detach(&adapter->efbig_tx_dma_setup); 3602 evcnt_detach(&adapter->mbuf_defrag_failed); 3603 evcnt_detach(&adapter->efbig2_tx_dma_setup); 3604 evcnt_detach(&adapter->einval_tx_dma_setup); 3605 evcnt_detach(&adapter->other_tx_dma_setup); 3606 evcnt_detach(&adapter->eagain_tx_dma_setup); 3607 evcnt_detach(&adapter->enomem_tx_dma_setup); 3608 evcnt_detach(&adapter->watchdog_events); 3609 evcnt_detach(&adapter->tso_err); 3610 evcnt_detach(&adapter->link_irq); 3611 evcnt_detach(&adapter->link_sicount); 3612 evcnt_detach(&adapter->mod_sicount); 3613 evcnt_detach(&adapter->msf_sicount); 3614 evcnt_detach(&adapter->phy_sicount); 3615 3616 for (i = 0; i < IXGBE_TC_COUNTER_NUM; i++) { 3617 if (i < __arraycount(stats->mpc)) { 3618 evcnt_detach(&stats->mpc[i]); 3619 if (hw->mac.type == ixgbe_mac_82598EB) 3620 evcnt_detach(&stats->rnbc[i]); 3621 } 3622 if (i < __arraycount(stats->pxontxc)) { 3623 evcnt_detach(&stats->pxontxc[i]); 3624 evcnt_detach(&stats->pxonrxc[i]); 3625 evcnt_detach(&stats->pxofftxc[i]); 3626 evcnt_detach(&stats->pxoffrxc[i]); 3627 if (hw->mac.type >= ixgbe_mac_82599EB) 3628 evcnt_detach(&stats->pxon2offc[i]); 3629 } 3630 } 3631 3632 txr = adapter->tx_rings; 3633 for (i = 0; i < adapter->num_queues; i++, rxr++, txr++) { 3634 evcnt_detach(&adapter->queues[i].irqs); 3635 evcnt_detach(&adapter->queues[i].handleq); 3636 evcnt_detach(&adapter->queues[i].req); 3637 evcnt_detach(&txr->no_desc_avail); 3638 evcnt_detach(&txr->total_packets); 3639 evcnt_detach(&txr->tso_tx); 3640 #ifndef IXGBE_LEGACY_TX 3641 evcnt_detach(&txr->pcq_drops); 3642 #endif 3643 3644 if (i < __arraycount(stats->qprc)) { 3645 evcnt_detach(&stats->qprc[i]); 3646 evcnt_detach(&stats->qptc[i]); 3647 evcnt_detach(&stats->qbrc[i]); 3648 evcnt_detach(&stats->qbtc[i]); 3649 if (hw->mac.type >= ixgbe_mac_82599EB) 3650 evcnt_detach(&stats->qprdc[i]); 3651 } 3652 3653 evcnt_detach(&rxr->rx_packets); 3654 evcnt_detach(&rxr->rx_bytes); 3655 evcnt_detach(&rxr->rx_copies); 3656 evcnt_detach(&rxr->no_jmbuf); 3657 evcnt_detach(&rxr->rx_discarded); 3658 } 3659 evcnt_detach(&stats->ipcs); 3660 evcnt_detach(&stats->l4cs); 3661 evcnt_detach(&stats->ipcs_bad); 3662 evcnt_detach(&stats->l4cs_bad); 3663 evcnt_detach(&stats->intzero); 3664 evcnt_detach(&stats->legint); 3665 evcnt_detach(&stats->crcerrs); 3666 evcnt_detach(&stats->illerrc); 3667 evcnt_detach(&stats->errbc); 3668 evcnt_detach(&stats->mspdc); 3669 if (hw->mac.type >= ixgbe_mac_X550) 3670 evcnt_detach(&stats->mbsdc); 3671 evcnt_detach(&stats->mpctotal); 3672 evcnt_detach(&stats->mlfc); 3673 evcnt_detach(&stats->mrfc); 3674 evcnt_detach(&stats->rlec); 3675 evcnt_detach(&stats->lxontxc); 3676 evcnt_detach(&stats->lxonrxc); 3677 evcnt_detach(&stats->lxofftxc); 3678 evcnt_detach(&stats->lxoffrxc); 3679 3680 /* Packet Reception Stats */ 3681 evcnt_detach(&stats->tor); 3682 evcnt_detach(&stats->gorc); 3683 evcnt_detach(&stats->tpr); 3684 evcnt_detach(&stats->gprc); 3685 evcnt_detach(&stats->mprc); 3686 evcnt_detach(&stats->bprc); 3687 evcnt_detach(&stats->prc64); 3688 evcnt_detach(&stats->prc127); 3689 evcnt_detach(&stats->prc255); 3690 evcnt_detach(&stats->prc511); 3691 evcnt_detach(&stats->prc1023); 3692 evcnt_detach(&stats->prc1522); 3693 evcnt_detach(&stats->ruc); 3694 evcnt_detach(&stats->rfc); 3695 evcnt_detach(&stats->roc); 3696 evcnt_detach(&stats->rjc); 3697 evcnt_detach(&stats->mngprc); 3698 evcnt_detach(&stats->mngpdc); 3699 evcnt_detach(&stats->xec); 3700 3701 /* Packet Transmission Stats */ 3702 evcnt_detach(&stats->gotc); 3703 evcnt_detach(&stats->tpt); 3704 evcnt_detach(&stats->gptc); 3705 evcnt_detach(&stats->bptc); 3706 evcnt_detach(&stats->mptc); 3707 evcnt_detach(&stats->mngptc); 3708 evcnt_detach(&stats->ptc64); 3709 evcnt_detach(&stats->ptc127); 3710 evcnt_detach(&stats->ptc255); 3711 evcnt_detach(&stats->ptc511); 3712 evcnt_detach(&stats->ptc1023); 3713 evcnt_detach(&stats->ptc1522); 3714 3715 ixgbe_free_transmit_structures(adapter); 3716 ixgbe_free_receive_structures(adapter); 3717 for (i = 0; i < adapter->num_queues; i++) { 3718 struct ix_queue * que = &adapter->queues[i]; 3719 mutex_destroy(&que->dc_mtx); 3720 } 3721 free(adapter->queues, M_DEVBUF); 3722 free(adapter->mta, M_DEVBUF); 3723 3724 IXGBE_CORE_LOCK_DESTROY(adapter); 3725 3726 return (0); 3727 } /* ixgbe_detach */ 3728 3729 /************************************************************************ 3730 * ixgbe_setup_low_power_mode - LPLU/WoL preparation 3731 * 3732 * Prepare the adapter/port for LPLU and/or WoL 3733 ************************************************************************/ 3734 static int 3735 ixgbe_setup_low_power_mode(struct adapter *adapter) 3736 { 3737 struct ixgbe_hw *hw = &adapter->hw; 3738 device_t dev = adapter->dev; 3739 s32 error = 0; 3740 3741 KASSERT(mutex_owned(&adapter->core_mtx)); 3742 3743 /* Limit power management flow to X550EM baseT */ 3744 if (hw->device_id == IXGBE_DEV_ID_X550EM_X_10G_T && 3745 hw->phy.ops.enter_lplu) { 3746 /* X550EM baseT adapters need a special LPLU flow */ 3747 hw->phy.reset_disable = true; 3748 ixgbe_stop(adapter); 3749 error = hw->phy.ops.enter_lplu(hw); 3750 if (error) 3751 device_printf(dev, 3752 "Error entering LPLU: %d\n", error); 3753 hw->phy.reset_disable = false; 3754 } else { 3755 /* Just stop for other adapters */ 3756 ixgbe_stop(adapter); 3757 } 3758 3759 if (!hw->wol_enabled) { 3760 ixgbe_set_phy_power(hw, FALSE); 3761 IXGBE_WRITE_REG(hw, IXGBE_WUFC, 0); 3762 IXGBE_WRITE_REG(hw, IXGBE_WUC, 0); 3763 } else { 3764 /* Turn off support for APM wakeup. (Using ACPI instead) */ 3765 IXGBE_WRITE_REG(hw, IXGBE_GRC_BY_MAC(hw), 3766 IXGBE_READ_REG(hw, IXGBE_GRC_BY_MAC(hw)) & ~(u32)2); 3767 3768 /* 3769 * Clear Wake Up Status register to prevent any previous wakeup 3770 * events from waking us up immediately after we suspend. 3771 */ 3772 IXGBE_WRITE_REG(hw, IXGBE_WUS, 0xffffffff); 3773 3774 /* 3775 * Program the Wakeup Filter Control register with user filter 3776 * settings 3777 */ 3778 IXGBE_WRITE_REG(hw, IXGBE_WUFC, adapter->wufc); 3779 3780 /* Enable wakeups and power management in Wakeup Control */ 3781 IXGBE_WRITE_REG(hw, IXGBE_WUC, 3782 IXGBE_WUC_WKEN | IXGBE_WUC_PME_EN); 3783 3784 } 3785 3786 return error; 3787 } /* ixgbe_setup_low_power_mode */ 3788 3789 /************************************************************************ 3790 * ixgbe_shutdown - Shutdown entry point 3791 ************************************************************************/ 3792 #if 0 /* XXX NetBSD ought to register something like this through pmf(9) */ 3793 static int 3794 ixgbe_shutdown(device_t dev) 3795 { 3796 struct adapter *adapter = device_private(dev); 3797 int error = 0; 3798 3799 INIT_DEBUGOUT("ixgbe_shutdown: begin"); 3800 3801 IXGBE_CORE_LOCK(adapter); 3802 error = ixgbe_setup_low_power_mode(adapter); 3803 IXGBE_CORE_UNLOCK(adapter); 3804 3805 return (error); 3806 } /* ixgbe_shutdown */ 3807 #endif 3808 3809 /************************************************************************ 3810 * ixgbe_suspend 3811 * 3812 * From D0 to D3 3813 ************************************************************************/ 3814 static bool 3815 ixgbe_suspend(device_t dev, const pmf_qual_t *qual) 3816 { 3817 struct adapter *adapter = device_private(dev); 3818 int error = 0; 3819 3820 INIT_DEBUGOUT("ixgbe_suspend: begin"); 3821 3822 IXGBE_CORE_LOCK(adapter); 3823 3824 error = ixgbe_setup_low_power_mode(adapter); 3825 3826 IXGBE_CORE_UNLOCK(adapter); 3827 3828 return (error); 3829 } /* ixgbe_suspend */ 3830 3831 /************************************************************************ 3832 * ixgbe_resume 3833 * 3834 * From D3 to D0 3835 ************************************************************************/ 3836 static bool 3837 ixgbe_resume(device_t dev, const pmf_qual_t *qual) 3838 { 3839 struct adapter *adapter = device_private(dev); 3840 struct ifnet *ifp = adapter->ifp; 3841 struct ixgbe_hw *hw = &adapter->hw; 3842 u32 wus; 3843 3844 INIT_DEBUGOUT("ixgbe_resume: begin"); 3845 3846 IXGBE_CORE_LOCK(adapter); 3847 3848 /* Read & clear WUS register */ 3849 wus = IXGBE_READ_REG(hw, IXGBE_WUS); 3850 if (wus) 3851 device_printf(dev, "Woken up by (WUS): %#010x\n", 3852 IXGBE_READ_REG(hw, IXGBE_WUS)); 3853 IXGBE_WRITE_REG(hw, IXGBE_WUS, 0xffffffff); 3854 /* And clear WUFC until next low-power transition */ 3855 IXGBE_WRITE_REG(hw, IXGBE_WUFC, 0); 3856 3857 /* 3858 * Required after D3->D0 transition; 3859 * will re-advertise all previous advertised speeds 3860 */ 3861 if (ifp->if_flags & IFF_UP) 3862 ixgbe_init_locked(adapter); 3863 3864 IXGBE_CORE_UNLOCK(adapter); 3865 3866 return true; 3867 } /* ixgbe_resume */ 3868 3869 /* 3870 * Set the various hardware offload abilities. 3871 * 3872 * This takes the ifnet's if_capenable flags (e.g. set by the user using 3873 * ifconfig) and indicates to the OS via the ifnet's if_hwassist field what 3874 * mbuf offload flags the driver will understand. 3875 */ 3876 static void 3877 ixgbe_set_if_hwassist(struct adapter *adapter) 3878 { 3879 /* XXX */ 3880 } 3881 3882 /************************************************************************ 3883 * ixgbe_init_locked - Init entry point 3884 * 3885 * Used in two ways: It is used by the stack as an init 3886 * entry point in network interface structure. It is also 3887 * used by the driver as a hw/sw initialization routine to 3888 * get to a consistent state. 3889 * 3890 * return 0 on success, positive on failure 3891 ************************************************************************/ 3892 static void 3893 ixgbe_init_locked(struct adapter *adapter) 3894 { 3895 struct ifnet *ifp = adapter->ifp; 3896 device_t dev = adapter->dev; 3897 struct ixgbe_hw *hw = &adapter->hw; 3898 struct ix_queue *que; 3899 struct tx_ring *txr; 3900 struct rx_ring *rxr; 3901 u32 txdctl, mhadd; 3902 u32 rxdctl, rxctrl; 3903 u32 ctrl_ext; 3904 int i, j, err; 3905 3906 /* XXX check IFF_UP and IFF_RUNNING, power-saving state! */ 3907 3908 KASSERT(mutex_owned(&adapter->core_mtx)); 3909 INIT_DEBUGOUT("ixgbe_init_locked: begin"); 3910 3911 hw->adapter_stopped = FALSE; 3912 ixgbe_stop_adapter(hw); 3913 callout_stop(&adapter->timer); 3914 for (i = 0, que = adapter->queues; i < adapter->num_queues; i++, que++) 3915 que->disabled_count = 0; 3916 3917 /* XXX I moved this here from the SIOCSIFMTU case in ixgbe_ioctl(). */ 3918 adapter->max_frame_size = 3919 ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN; 3920 3921 /* Queue indices may change with IOV mode */ 3922 ixgbe_align_all_queue_indices(adapter); 3923 3924 /* reprogram the RAR[0] in case user changed it. */ 3925 ixgbe_set_rar(hw, 0, hw->mac.addr, adapter->pool, IXGBE_RAH_AV); 3926 3927 /* Get the latest mac address, User can use a LAA */ 3928 memcpy(hw->mac.addr, CLLADDR(ifp->if_sadl), 3929 IXGBE_ETH_LENGTH_OF_ADDRESS); 3930 ixgbe_set_rar(hw, 0, hw->mac.addr, adapter->pool, 1); 3931 hw->addr_ctrl.rar_used_count = 1; 3932 3933 /* Set hardware offload abilities from ifnet flags */ 3934 ixgbe_set_if_hwassist(adapter); 3935 3936 /* Prepare transmit descriptors and buffers */ 3937 if (ixgbe_setup_transmit_structures(adapter)) { 3938 device_printf(dev, "Could not setup transmit structures\n"); 3939 ixgbe_stop(adapter); 3940 return; 3941 } 3942 3943 ixgbe_init_hw(hw); 3944 3945 ixgbe_initialize_iov(adapter); 3946 3947 ixgbe_initialize_transmit_units(adapter); 3948 3949 /* Setup Multicast table */ 3950 ixgbe_set_rxfilter(adapter); 3951 3952 /* Determine the correct mbuf pool, based on frame size */ 3953 if (adapter->max_frame_size <= MCLBYTES) 3954 adapter->rx_mbuf_sz = MCLBYTES; 3955 else 3956 adapter->rx_mbuf_sz = MJUMPAGESIZE; 3957 3958 /* Prepare receive descriptors and buffers */ 3959 if (ixgbe_setup_receive_structures(adapter)) { 3960 device_printf(dev, "Could not setup receive structures\n"); 3961 ixgbe_stop(adapter); 3962 return; 3963 } 3964 3965 /* Configure RX settings */ 3966 ixgbe_initialize_receive_units(adapter); 3967 3968 /* Enable SDP & MSI-X interrupts based on adapter */ 3969 ixgbe_config_gpie(adapter); 3970 3971 /* Set MTU size */ 3972 if (ifp->if_mtu > ETHERMTU) { 3973 /* aka IXGBE_MAXFRS on 82599 and newer */ 3974 mhadd = IXGBE_READ_REG(hw, IXGBE_MHADD); 3975 mhadd &= ~IXGBE_MHADD_MFS_MASK; 3976 mhadd |= adapter->max_frame_size << IXGBE_MHADD_MFS_SHIFT; 3977 IXGBE_WRITE_REG(hw, IXGBE_MHADD, mhadd); 3978 } 3979 3980 /* Now enable all the queues */ 3981 for (i = 0; i < adapter->num_queues; i++) { 3982 txr = &adapter->tx_rings[i]; 3983 txdctl = IXGBE_READ_REG(hw, IXGBE_TXDCTL(txr->me)); 3984 txdctl |= IXGBE_TXDCTL_ENABLE; 3985 /* Set WTHRESH to 8, burst writeback */ 3986 txdctl |= (8 << 16); 3987 /* 3988 * When the internal queue falls below PTHRESH (32), 3989 * start prefetching as long as there are at least 3990 * HTHRESH (1) buffers ready. The values are taken 3991 * from the Intel linux driver 3.8.21. 3992 * Prefetching enables tx line rate even with 1 queue. 3993 */ 3994 txdctl |= (32 << 0) | (1 << 8); 3995 IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(txr->me), txdctl); 3996 } 3997 3998 for (i = 0; i < adapter->num_queues; i++) { 3999 rxr = &adapter->rx_rings[i]; 4000 rxdctl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(rxr->me)); 4001 if (hw->mac.type == ixgbe_mac_82598EB) { 4002 /* 4003 * PTHRESH = 21 4004 * HTHRESH = 4 4005 * WTHRESH = 8 4006 */ 4007 rxdctl &= ~0x3FFFFF; 4008 rxdctl |= 0x080420; 4009 } 4010 rxdctl |= IXGBE_RXDCTL_ENABLE; 4011 IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(rxr->me), rxdctl); 4012 for (j = 0; j < 10; j++) { 4013 if (IXGBE_READ_REG(hw, IXGBE_RXDCTL(rxr->me)) & 4014 IXGBE_RXDCTL_ENABLE) 4015 break; 4016 else 4017 msec_delay(1); 4018 } 4019 IXGBE_WRITE_BARRIER(hw); 4020 4021 /* 4022 * In netmap mode, we must preserve the buffers made 4023 * available to userspace before the if_init() 4024 * (this is true by default on the TX side, because 4025 * init makes all buffers available to userspace). 4026 * 4027 * netmap_reset() and the device specific routines 4028 * (e.g. ixgbe_setup_receive_rings()) map these 4029 * buffers at the end of the NIC ring, so here we 4030 * must set the RDT (tail) register to make sure 4031 * they are not overwritten. 4032 * 4033 * In this driver the NIC ring starts at RDH = 0, 4034 * RDT points to the last slot available for reception (?), 4035 * so RDT = num_rx_desc - 1 means the whole ring is available. 4036 */ 4037 #ifdef DEV_NETMAP 4038 if ((adapter->feat_en & IXGBE_FEATURE_NETMAP) && 4039 (ifp->if_capenable & IFCAP_NETMAP)) { 4040 struct netmap_adapter *na = NA(adapter->ifp); 4041 struct netmap_kring *kring = na->rx_rings[i]; 4042 int t = na->num_rx_desc - 1 - nm_kr_rxspace(kring); 4043 4044 IXGBE_WRITE_REG(hw, IXGBE_RDT(rxr->me), t); 4045 } else 4046 #endif /* DEV_NETMAP */ 4047 IXGBE_WRITE_REG(hw, IXGBE_RDT(rxr->me), 4048 adapter->num_rx_desc - 1); 4049 } 4050 4051 /* Enable Receive engine */ 4052 rxctrl = IXGBE_READ_REG(hw, IXGBE_RXCTRL); 4053 if (hw->mac.type == ixgbe_mac_82598EB) 4054 rxctrl |= IXGBE_RXCTRL_DMBYPS; 4055 rxctrl |= IXGBE_RXCTRL_RXEN; 4056 ixgbe_enable_rx_dma(hw, rxctrl); 4057 4058 callout_reset(&adapter->timer, hz, ixgbe_local_timer, adapter); 4059 4060 /* Set up MSI/MSI-X routing */ 4061 if (adapter->feat_en & IXGBE_FEATURE_MSIX) { 4062 ixgbe_configure_ivars(adapter); 4063 /* Set up auto-mask */ 4064 if (hw->mac.type == ixgbe_mac_82598EB) 4065 IXGBE_WRITE_REG(hw, IXGBE_EIAM, IXGBE_EICS_RTX_QUEUE); 4066 else { 4067 IXGBE_WRITE_REG(hw, IXGBE_EIAM_EX(0), 0xFFFFFFFF); 4068 IXGBE_WRITE_REG(hw, IXGBE_EIAM_EX(1), 0xFFFFFFFF); 4069 } 4070 } else { /* Simple settings for Legacy/MSI */ 4071 ixgbe_set_ivar(adapter, 0, 0, 0); 4072 ixgbe_set_ivar(adapter, 0, 0, 1); 4073 IXGBE_WRITE_REG(hw, IXGBE_EIAM, IXGBE_EICS_RTX_QUEUE); 4074 } 4075 4076 ixgbe_init_fdir(adapter); 4077 4078 /* 4079 * Check on any SFP devices that 4080 * need to be kick-started 4081 */ 4082 if (hw->phy.type == ixgbe_phy_none) { 4083 err = hw->phy.ops.identify(hw); 4084 if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) { 4085 device_printf(dev, 4086 "Unsupported SFP+ module type was detected.\n"); 4087 return; 4088 } 4089 } 4090 4091 /* Set moderation on the Link interrupt */ 4092 ixgbe_eitr_write(adapter, adapter->vector, IXGBE_LINK_ITR); 4093 4094 /* Enable EEE power saving */ 4095 if (adapter->feat_cap & IXGBE_FEATURE_EEE) 4096 hw->mac.ops.setup_eee(hw, 4097 adapter->feat_en & IXGBE_FEATURE_EEE); 4098 4099 /* Enable power to the phy. */ 4100 ixgbe_set_phy_power(hw, TRUE); 4101 4102 /* Config/Enable Link */ 4103 ixgbe_config_link(adapter); 4104 4105 /* Hardware Packet Buffer & Flow Control setup */ 4106 ixgbe_config_delay_values(adapter); 4107 4108 /* Initialize the FC settings */ 4109 ixgbe_start_hw(hw); 4110 4111 /* Set up VLAN support and filter */ 4112 ixgbe_setup_vlan_hw_support(adapter); 4113 4114 /* Setup DMA Coalescing */ 4115 ixgbe_config_dmac(adapter); 4116 4117 /* And now turn on interrupts */ 4118 ixgbe_enable_intr(adapter); 4119 4120 /* Enable the use of the MBX by the VF's */ 4121 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) { 4122 ctrl_ext = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT); 4123 ctrl_ext |= IXGBE_CTRL_EXT_PFRSTD; 4124 IXGBE_WRITE_REG(hw, IXGBE_CTRL_EXT, ctrl_ext); 4125 } 4126 4127 /* Update saved flags. See ixgbe_ifflags_cb() */ 4128 adapter->if_flags = ifp->if_flags; 4129 adapter->ec_capenable = adapter->osdep.ec.ec_capenable; 4130 4131 /* Now inform the stack we're ready */ 4132 ifp->if_flags |= IFF_RUNNING; 4133 4134 return; 4135 } /* ixgbe_init_locked */ 4136 4137 /************************************************************************ 4138 * ixgbe_init 4139 ************************************************************************/ 4140 static int 4141 ixgbe_init(struct ifnet *ifp) 4142 { 4143 struct adapter *adapter = ifp->if_softc; 4144 4145 IXGBE_CORE_LOCK(adapter); 4146 ixgbe_init_locked(adapter); 4147 IXGBE_CORE_UNLOCK(adapter); 4148 4149 return 0; /* XXX ixgbe_init_locked cannot fail? really? */ 4150 } /* ixgbe_init */ 4151 4152 /************************************************************************ 4153 * ixgbe_set_ivar 4154 * 4155 * Setup the correct IVAR register for a particular MSI-X interrupt 4156 * (yes this is all very magic and confusing :) 4157 * - entry is the register array entry 4158 * - vector is the MSI-X vector for this queue 4159 * - type is RX/TX/MISC 4160 ************************************************************************/ 4161 static void 4162 ixgbe_set_ivar(struct adapter *adapter, u8 entry, u8 vector, s8 type) 4163 { 4164 struct ixgbe_hw *hw = &adapter->hw; 4165 u32 ivar, index; 4166 4167 vector |= IXGBE_IVAR_ALLOC_VAL; 4168 4169 switch (hw->mac.type) { 4170 case ixgbe_mac_82598EB: 4171 if (type == -1) 4172 entry = IXGBE_IVAR_OTHER_CAUSES_INDEX; 4173 else 4174 entry += (type * 64); 4175 index = (entry >> 2) & 0x1F; 4176 ivar = IXGBE_READ_REG(hw, IXGBE_IVAR(index)); 4177 ivar &= ~(0xffUL << (8 * (entry & 0x3))); 4178 ivar |= ((u32)vector << (8 * (entry & 0x3))); 4179 IXGBE_WRITE_REG(&adapter->hw, IXGBE_IVAR(index), ivar); 4180 break; 4181 case ixgbe_mac_82599EB: 4182 case ixgbe_mac_X540: 4183 case ixgbe_mac_X550: 4184 case ixgbe_mac_X550EM_x: 4185 case ixgbe_mac_X550EM_a: 4186 if (type == -1) { /* MISC IVAR */ 4187 index = (entry & 1) * 8; 4188 ivar = IXGBE_READ_REG(hw, IXGBE_IVAR_MISC); 4189 ivar &= ~(0xffUL << index); 4190 ivar |= ((u32)vector << index); 4191 IXGBE_WRITE_REG(hw, IXGBE_IVAR_MISC, ivar); 4192 } else { /* RX/TX IVARS */ 4193 index = (16 * (entry & 1)) + (8 * type); 4194 ivar = IXGBE_READ_REG(hw, IXGBE_IVAR(entry >> 1)); 4195 ivar &= ~(0xffUL << index); 4196 ivar |= ((u32)vector << index); 4197 IXGBE_WRITE_REG(hw, IXGBE_IVAR(entry >> 1), ivar); 4198 } 4199 break; 4200 default: 4201 break; 4202 } 4203 } /* ixgbe_set_ivar */ 4204 4205 /************************************************************************ 4206 * ixgbe_configure_ivars 4207 ************************************************************************/ 4208 static void 4209 ixgbe_configure_ivars(struct adapter *adapter) 4210 { 4211 struct ix_queue *que = adapter->queues; 4212 u32 newitr; 4213 4214 if (ixgbe_max_interrupt_rate > 0) 4215 newitr = (4000000 / ixgbe_max_interrupt_rate) & 0x0FF8; 4216 else { 4217 /* 4218 * Disable DMA coalescing if interrupt moderation is 4219 * disabled. 4220 */ 4221 adapter->dmac = 0; 4222 newitr = 0; 4223 } 4224 4225 for (int i = 0; i < adapter->num_queues; i++, que++) { 4226 struct rx_ring *rxr = &adapter->rx_rings[i]; 4227 struct tx_ring *txr = &adapter->tx_rings[i]; 4228 /* First the RX queue entry */ 4229 ixgbe_set_ivar(adapter, rxr->me, que->msix, 0); 4230 /* ... and the TX */ 4231 ixgbe_set_ivar(adapter, txr->me, que->msix, 1); 4232 /* Set an Initial EITR value */ 4233 ixgbe_eitr_write(adapter, que->msix, newitr); 4234 /* 4235 * To eliminate influence of the previous state. 4236 * At this point, Tx/Rx interrupt handler 4237 * (ixgbe_msix_que()) cannot be called, so both 4238 * IXGBE_TX_LOCK and IXGBE_RX_LOCK are not required. 4239 */ 4240 que->eitr_setting = 0; 4241 } 4242 4243 /* For the Link interrupt */ 4244 ixgbe_set_ivar(adapter, 1, adapter->vector, -1); 4245 } /* ixgbe_configure_ivars */ 4246 4247 /************************************************************************ 4248 * ixgbe_config_gpie 4249 ************************************************************************/ 4250 static void 4251 ixgbe_config_gpie(struct adapter *adapter) 4252 { 4253 struct ixgbe_hw *hw = &adapter->hw; 4254 u32 gpie; 4255 4256 gpie = IXGBE_READ_REG(hw, IXGBE_GPIE); 4257 4258 if (adapter->feat_en & IXGBE_FEATURE_MSIX) { 4259 /* Enable Enhanced MSI-X mode */ 4260 gpie |= IXGBE_GPIE_MSIX_MODE 4261 | IXGBE_GPIE_EIAME 4262 | IXGBE_GPIE_PBA_SUPPORT 4263 | IXGBE_GPIE_OCD; 4264 } 4265 4266 /* Fan Failure Interrupt */ 4267 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) 4268 gpie |= IXGBE_SDP1_GPIEN; 4269 4270 /* Thermal Sensor Interrupt */ 4271 if (adapter->feat_en & IXGBE_FEATURE_TEMP_SENSOR) 4272 gpie |= IXGBE_SDP0_GPIEN_X540; 4273 4274 /* Link detection */ 4275 switch (hw->mac.type) { 4276 case ixgbe_mac_82599EB: 4277 gpie |= IXGBE_SDP1_GPIEN | IXGBE_SDP2_GPIEN; 4278 break; 4279 case ixgbe_mac_X550EM_x: 4280 case ixgbe_mac_X550EM_a: 4281 gpie |= IXGBE_SDP0_GPIEN_X540; 4282 break; 4283 default: 4284 break; 4285 } 4286 4287 IXGBE_WRITE_REG(hw, IXGBE_GPIE, gpie); 4288 4289 } /* ixgbe_config_gpie */ 4290 4291 /************************************************************************ 4292 * ixgbe_config_delay_values 4293 * 4294 * Requires adapter->max_frame_size to be set. 4295 ************************************************************************/ 4296 static void 4297 ixgbe_config_delay_values(struct adapter *adapter) 4298 { 4299 struct ixgbe_hw *hw = &adapter->hw; 4300 u32 rxpb, frame, size, tmp; 4301 4302 frame = adapter->max_frame_size; 4303 4304 /* Calculate High Water */ 4305 switch (hw->mac.type) { 4306 case ixgbe_mac_X540: 4307 case ixgbe_mac_X550: 4308 case ixgbe_mac_X550EM_x: 4309 case ixgbe_mac_X550EM_a: 4310 tmp = IXGBE_DV_X540(frame, frame); 4311 break; 4312 default: 4313 tmp = IXGBE_DV(frame, frame); 4314 break; 4315 } 4316 size = IXGBE_BT2KB(tmp); 4317 rxpb = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(0)) >> 10; 4318 hw->fc.high_water[0] = rxpb - size; 4319 4320 /* Now calculate Low Water */ 4321 switch (hw->mac.type) { 4322 case ixgbe_mac_X540: 4323 case ixgbe_mac_X550: 4324 case ixgbe_mac_X550EM_x: 4325 case ixgbe_mac_X550EM_a: 4326 tmp = IXGBE_LOW_DV_X540(frame); 4327 break; 4328 default: 4329 tmp = IXGBE_LOW_DV(frame); 4330 break; 4331 } 4332 hw->fc.low_water[0] = IXGBE_BT2KB(tmp); 4333 4334 hw->fc.pause_time = IXGBE_FC_PAUSE; 4335 hw->fc.send_xon = TRUE; 4336 } /* ixgbe_config_delay_values */ 4337 4338 /************************************************************************ 4339 * ixgbe_set_rxfilter - Multicast Update 4340 * 4341 * Called whenever multicast address list is updated. 4342 ************************************************************************/ 4343 static void 4344 ixgbe_set_rxfilter(struct adapter *adapter) 4345 { 4346 struct ixgbe_mc_addr *mta; 4347 struct ifnet *ifp = adapter->ifp; 4348 u8 *update_ptr; 4349 int mcnt = 0; 4350 u32 fctrl; 4351 struct ethercom *ec = &adapter->osdep.ec; 4352 struct ether_multi *enm; 4353 struct ether_multistep step; 4354 4355 KASSERT(mutex_owned(&adapter->core_mtx)); 4356 IOCTL_DEBUGOUT("ixgbe_set_rxfilter: begin"); 4357 4358 mta = adapter->mta; 4359 bzero(mta, sizeof(*mta) * MAX_NUM_MULTICAST_ADDRESSES); 4360 4361 ETHER_LOCK(ec); 4362 ec->ec_flags &= ~ETHER_F_ALLMULTI; 4363 ETHER_FIRST_MULTI(step, ec, enm); 4364 while (enm != NULL) { 4365 if ((mcnt == MAX_NUM_MULTICAST_ADDRESSES) || 4366 (memcmp(enm->enm_addrlo, enm->enm_addrhi, 4367 ETHER_ADDR_LEN) != 0)) { 4368 ec->ec_flags |= ETHER_F_ALLMULTI; 4369 break; 4370 } 4371 bcopy(enm->enm_addrlo, 4372 mta[mcnt].addr, IXGBE_ETH_LENGTH_OF_ADDRESS); 4373 mta[mcnt].vmdq = adapter->pool; 4374 mcnt++; 4375 ETHER_NEXT_MULTI(step, enm); 4376 } 4377 4378 fctrl = IXGBE_READ_REG(&adapter->hw, IXGBE_FCTRL); 4379 if (ifp->if_flags & IFF_PROMISC) 4380 fctrl |= (IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE); 4381 else if (ec->ec_flags & ETHER_F_ALLMULTI) { 4382 fctrl |= IXGBE_FCTRL_MPE; 4383 fctrl &= ~IXGBE_FCTRL_UPE; 4384 } else 4385 fctrl &= ~(IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE); 4386 4387 IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCTRL, fctrl); 4388 4389 /* Update multicast filter entries only when it's not ALLMULTI */ 4390 if ((ec->ec_flags & ETHER_F_ALLMULTI) == 0) { 4391 ETHER_UNLOCK(ec); 4392 update_ptr = (u8 *)mta; 4393 ixgbe_update_mc_addr_list(&adapter->hw, update_ptr, mcnt, 4394 ixgbe_mc_array_itr, TRUE); 4395 } else 4396 ETHER_UNLOCK(ec); 4397 } /* ixgbe_set_rxfilter */ 4398 4399 /************************************************************************ 4400 * ixgbe_mc_array_itr 4401 * 4402 * An iterator function needed by the multicast shared code. 4403 * It feeds the shared code routine the addresses in the 4404 * array of ixgbe_set_rxfilter() one by one. 4405 ************************************************************************/ 4406 static u8 * 4407 ixgbe_mc_array_itr(struct ixgbe_hw *hw, u8 **update_ptr, u32 *vmdq) 4408 { 4409 struct ixgbe_mc_addr *mta; 4410 4411 mta = (struct ixgbe_mc_addr *)*update_ptr; 4412 *vmdq = mta->vmdq; 4413 4414 *update_ptr = (u8*)(mta + 1); 4415 4416 return (mta->addr); 4417 } /* ixgbe_mc_array_itr */ 4418 4419 /************************************************************************ 4420 * ixgbe_local_timer - Timer routine 4421 * 4422 * Checks for link status, updates statistics, 4423 * and runs the watchdog check. 4424 ************************************************************************/ 4425 static void 4426 ixgbe_local_timer(void *arg) 4427 { 4428 struct adapter *adapter = arg; 4429 4430 IXGBE_CORE_LOCK(adapter); 4431 ixgbe_local_timer1(adapter); 4432 IXGBE_CORE_UNLOCK(adapter); 4433 } 4434 4435 static void 4436 ixgbe_local_timer1(void *arg) 4437 { 4438 struct adapter *adapter = arg; 4439 device_t dev = adapter->dev; 4440 struct ix_queue *que = adapter->queues; 4441 u64 queues = 0; 4442 u64 v0, v1, v2, v3, v4, v5, v6, v7; 4443 int hung = 0; 4444 int i; 4445 4446 KASSERT(mutex_owned(&adapter->core_mtx)); 4447 4448 /* Check for pluggable optics */ 4449 if (adapter->sfp_probe) 4450 if (!ixgbe_sfp_probe(adapter)) 4451 goto out; /* Nothing to do */ 4452 4453 ixgbe_update_link_status(adapter); 4454 ixgbe_update_stats_counters(adapter); 4455 4456 /* Update some event counters */ 4457 v0 = v1 = v2 = v3 = v4 = v5 = v6 = v7 = 0; 4458 que = adapter->queues; 4459 for (i = 0; i < adapter->num_queues; i++, que++) { 4460 struct tx_ring *txr = que->txr; 4461 4462 v0 += txr->q_efbig_tx_dma_setup; 4463 v1 += txr->q_mbuf_defrag_failed; 4464 v2 += txr->q_efbig2_tx_dma_setup; 4465 v3 += txr->q_einval_tx_dma_setup; 4466 v4 += txr->q_other_tx_dma_setup; 4467 v5 += txr->q_eagain_tx_dma_setup; 4468 v6 += txr->q_enomem_tx_dma_setup; 4469 v7 += txr->q_tso_err; 4470 } 4471 adapter->efbig_tx_dma_setup.ev_count = v0; 4472 adapter->mbuf_defrag_failed.ev_count = v1; 4473 adapter->efbig2_tx_dma_setup.ev_count = v2; 4474 adapter->einval_tx_dma_setup.ev_count = v3; 4475 adapter->other_tx_dma_setup.ev_count = v4; 4476 adapter->eagain_tx_dma_setup.ev_count = v5; 4477 adapter->enomem_tx_dma_setup.ev_count = v6; 4478 adapter->tso_err.ev_count = v7; 4479 4480 /* 4481 * Check the TX queues status 4482 * - mark hung queues so we don't schedule on them 4483 * - watchdog only if all queues show hung 4484 */ 4485 que = adapter->queues; 4486 for (i = 0; i < adapter->num_queues; i++, que++) { 4487 /* Keep track of queues with work for soft irq */ 4488 if (que->txr->busy) 4489 queues |= 1ULL << que->me; 4490 /* 4491 * Each time txeof runs without cleaning, but there 4492 * are uncleaned descriptors it increments busy. If 4493 * we get to the MAX we declare it hung. 4494 */ 4495 if (que->busy == IXGBE_QUEUE_HUNG) { 4496 ++hung; 4497 /* Mark the queue as inactive */ 4498 adapter->active_queues &= ~(1ULL << que->me); 4499 continue; 4500 } else { 4501 /* Check if we've come back from hung */ 4502 if ((adapter->active_queues & (1ULL << que->me)) == 0) 4503 adapter->active_queues |= 1ULL << que->me; 4504 } 4505 if (que->busy >= IXGBE_MAX_TX_BUSY) { 4506 device_printf(dev, 4507 "Warning queue %d appears to be hung!\n", i); 4508 que->txr->busy = IXGBE_QUEUE_HUNG; 4509 ++hung; 4510 } 4511 } 4512 4513 /* Only truely watchdog if all queues show hung */ 4514 if (hung == adapter->num_queues) 4515 goto watchdog; 4516 #if 0 /* XXX Avoid unexpectedly disabling interrupt forever (PR#53294) */ 4517 else if (queues != 0) { /* Force an IRQ on queues with work */ 4518 que = adapter->queues; 4519 for (i = 0; i < adapter->num_queues; i++, que++) { 4520 mutex_enter(&que->dc_mtx); 4521 if (que->disabled_count == 0) 4522 ixgbe_rearm_queues(adapter, 4523 queues & ((u64)1 << i)); 4524 mutex_exit(&que->dc_mtx); 4525 } 4526 } 4527 #endif 4528 4529 out: 4530 callout_reset(&adapter->timer, hz, ixgbe_local_timer, adapter); 4531 return; 4532 4533 watchdog: 4534 device_printf(adapter->dev, "Watchdog timeout -- resetting\n"); 4535 adapter->ifp->if_flags &= ~IFF_RUNNING; 4536 adapter->watchdog_events.ev_count++; 4537 ixgbe_init_locked(adapter); 4538 } /* ixgbe_local_timer */ 4539 4540 /************************************************************************ 4541 * ixgbe_recovery_mode_timer - Recovery mode timer routine 4542 ************************************************************************/ 4543 static void 4544 ixgbe_recovery_mode_timer(void *arg) 4545 { 4546 struct adapter *adapter = arg; 4547 struct ixgbe_hw *hw = &adapter->hw; 4548 4549 IXGBE_CORE_LOCK(adapter); 4550 if (ixgbe_fw_recovery_mode(hw)) { 4551 if (atomic_cas_uint(&adapter->recovery_mode, 0, 1)) { 4552 /* Firmware error detected, entering recovery mode */ 4553 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"); 4554 4555 if (hw->adapter_stopped == FALSE) 4556 ixgbe_stop(adapter); 4557 } 4558 } else 4559 atomic_cas_uint(&adapter->recovery_mode, 1, 0); 4560 4561 callout_reset(&adapter->recovery_mode_timer, hz, 4562 ixgbe_recovery_mode_timer, adapter); 4563 IXGBE_CORE_UNLOCK(adapter); 4564 } /* ixgbe_recovery_mode_timer */ 4565 4566 /************************************************************************ 4567 * ixgbe_sfp_probe 4568 * 4569 * Determine if a port had optics inserted. 4570 ************************************************************************/ 4571 static bool 4572 ixgbe_sfp_probe(struct adapter *adapter) 4573 { 4574 struct ixgbe_hw *hw = &adapter->hw; 4575 device_t dev = adapter->dev; 4576 bool result = FALSE; 4577 4578 if ((hw->phy.type == ixgbe_phy_nl) && 4579 (hw->phy.sfp_type == ixgbe_sfp_type_not_present)) { 4580 s32 ret = hw->phy.ops.identify_sfp(hw); 4581 if (ret) 4582 goto out; 4583 ret = hw->phy.ops.reset(hw); 4584 adapter->sfp_probe = FALSE; 4585 if (ret == IXGBE_ERR_SFP_NOT_SUPPORTED) { 4586 device_printf(dev,"Unsupported SFP+ module detected!"); 4587 device_printf(dev, 4588 "Reload driver with supported module.\n"); 4589 goto out; 4590 } else 4591 device_printf(dev, "SFP+ module detected!\n"); 4592 /* We now have supported optics */ 4593 result = TRUE; 4594 } 4595 out: 4596 4597 return (result); 4598 } /* ixgbe_sfp_probe */ 4599 4600 /************************************************************************ 4601 * ixgbe_handle_mod - Tasklet for SFP module interrupts 4602 ************************************************************************/ 4603 static void 4604 ixgbe_handle_mod(void *context) 4605 { 4606 struct adapter *adapter = context; 4607 struct ixgbe_hw *hw = &adapter->hw; 4608 device_t dev = adapter->dev; 4609 u32 err, cage_full = 0; 4610 4611 ++adapter->mod_sicount.ev_count; 4612 if (adapter->hw.need_crosstalk_fix) { 4613 switch (hw->mac.type) { 4614 case ixgbe_mac_82599EB: 4615 cage_full = IXGBE_READ_REG(hw, IXGBE_ESDP) & 4616 IXGBE_ESDP_SDP2; 4617 break; 4618 case ixgbe_mac_X550EM_x: 4619 case ixgbe_mac_X550EM_a: 4620 cage_full = IXGBE_READ_REG(hw, IXGBE_ESDP) & 4621 IXGBE_ESDP_SDP0; 4622 break; 4623 default: 4624 break; 4625 } 4626 4627 if (!cage_full) 4628 return; 4629 } 4630 4631 err = hw->phy.ops.identify_sfp(hw); 4632 if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) { 4633 device_printf(dev, 4634 "Unsupported SFP+ module type was detected.\n"); 4635 return; 4636 } 4637 4638 if (hw->mac.type == ixgbe_mac_82598EB) 4639 err = hw->phy.ops.reset(hw); 4640 else 4641 err = hw->mac.ops.setup_sfp(hw); 4642 4643 if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) { 4644 device_printf(dev, 4645 "Setup failure - unsupported SFP+ module type.\n"); 4646 return; 4647 } 4648 softint_schedule(adapter->msf_si); 4649 } /* ixgbe_handle_mod */ 4650 4651 4652 /************************************************************************ 4653 * ixgbe_handle_msf - Tasklet for MSF (multispeed fiber) interrupts 4654 ************************************************************************/ 4655 static void 4656 ixgbe_handle_msf(void *context) 4657 { 4658 struct adapter *adapter = context; 4659 struct ixgbe_hw *hw = &adapter->hw; 4660 u32 autoneg; 4661 bool negotiate; 4662 4663 IXGBE_CORE_LOCK(adapter); 4664 ++adapter->msf_sicount.ev_count; 4665 /* get_supported_phy_layer will call hw->phy.ops.identify_sfp() */ 4666 adapter->phy_layer = ixgbe_get_supported_physical_layer(hw); 4667 4668 autoneg = hw->phy.autoneg_advertised; 4669 if ((!autoneg) && (hw->mac.ops.get_link_capabilities)) 4670 hw->mac.ops.get_link_capabilities(hw, &autoneg, &negotiate); 4671 else 4672 negotiate = 0; 4673 if (hw->mac.ops.setup_link) 4674 hw->mac.ops.setup_link(hw, autoneg, TRUE); 4675 4676 /* Adjust media types shown in ifconfig */ 4677 ifmedia_removeall(&adapter->media); 4678 ixgbe_add_media_types(adapter); 4679 ifmedia_set(&adapter->media, IFM_ETHER | IFM_AUTO); 4680 IXGBE_CORE_UNLOCK(adapter); 4681 } /* ixgbe_handle_msf */ 4682 4683 /************************************************************************ 4684 * ixgbe_handle_phy - Tasklet for external PHY interrupts 4685 ************************************************************************/ 4686 static void 4687 ixgbe_handle_phy(void *context) 4688 { 4689 struct adapter *adapter = context; 4690 struct ixgbe_hw *hw = &adapter->hw; 4691 int error; 4692 4693 ++adapter->phy_sicount.ev_count; 4694 error = hw->phy.ops.handle_lasi(hw); 4695 if (error == IXGBE_ERR_OVERTEMP) 4696 device_printf(adapter->dev, 4697 "CRITICAL: EXTERNAL PHY OVER TEMP!! " 4698 " PHY will downshift to lower power state!\n"); 4699 else if (error) 4700 device_printf(adapter->dev, 4701 "Error handling LASI interrupt: %d\n", error); 4702 } /* ixgbe_handle_phy */ 4703 4704 static void 4705 ixgbe_ifstop(struct ifnet *ifp, int disable) 4706 { 4707 struct adapter *adapter = ifp->if_softc; 4708 4709 IXGBE_CORE_LOCK(adapter); 4710 ixgbe_stop(adapter); 4711 IXGBE_CORE_UNLOCK(adapter); 4712 } 4713 4714 /************************************************************************ 4715 * ixgbe_stop - Stop the hardware 4716 * 4717 * Disables all traffic on the adapter by issuing a 4718 * global reset on the MAC and deallocates TX/RX buffers. 4719 ************************************************************************/ 4720 static void 4721 ixgbe_stop(void *arg) 4722 { 4723 struct ifnet *ifp; 4724 struct adapter *adapter = arg; 4725 struct ixgbe_hw *hw = &adapter->hw; 4726 4727 ifp = adapter->ifp; 4728 4729 KASSERT(mutex_owned(&adapter->core_mtx)); 4730 4731 INIT_DEBUGOUT("ixgbe_stop: begin\n"); 4732 ixgbe_disable_intr(adapter); 4733 callout_stop(&adapter->timer); 4734 4735 /* Let the stack know...*/ 4736 ifp->if_flags &= ~IFF_RUNNING; 4737 4738 ixgbe_reset_hw(hw); 4739 hw->adapter_stopped = FALSE; 4740 ixgbe_stop_adapter(hw); 4741 if (hw->mac.type == ixgbe_mac_82599EB) 4742 ixgbe_stop_mac_link_on_d3_82599(hw); 4743 /* Turn off the laser - noop with no optics */ 4744 ixgbe_disable_tx_laser(hw); 4745 4746 /* Update the stack */ 4747 adapter->link_up = FALSE; 4748 ixgbe_update_link_status(adapter); 4749 4750 /* reprogram the RAR[0] in case user changed it. */ 4751 ixgbe_set_rar(&adapter->hw, 0, adapter->hw.mac.addr, 0, IXGBE_RAH_AV); 4752 4753 return; 4754 } /* ixgbe_stop */ 4755 4756 /************************************************************************ 4757 * ixgbe_update_link_status - Update OS on link state 4758 * 4759 * Note: Only updates the OS on the cached link state. 4760 * The real check of the hardware only happens with 4761 * a link interrupt. 4762 ************************************************************************/ 4763 static void 4764 ixgbe_update_link_status(struct adapter *adapter) 4765 { 4766 struct ifnet *ifp = adapter->ifp; 4767 device_t dev = adapter->dev; 4768 struct ixgbe_hw *hw = &adapter->hw; 4769 4770 KASSERT(mutex_owned(&adapter->core_mtx)); 4771 4772 if (adapter->link_up) { 4773 if (adapter->link_active != LINK_STATE_UP) { 4774 /* 4775 * To eliminate influence of the previous state 4776 * in the same way as ixgbe_init_locked(). 4777 */ 4778 struct ix_queue *que = adapter->queues; 4779 for (int i = 0; i < adapter->num_queues; i++, que++) 4780 que->eitr_setting = 0; 4781 4782 if (adapter->link_speed == IXGBE_LINK_SPEED_10GB_FULL){ 4783 /* 4784 * Discard count for both MAC Local Fault and 4785 * Remote Fault because those registers are 4786 * valid only when the link speed is up and 4787 * 10Gbps. 4788 */ 4789 IXGBE_READ_REG(hw, IXGBE_MLFC); 4790 IXGBE_READ_REG(hw, IXGBE_MRFC); 4791 } 4792 4793 if (bootverbose) { 4794 const char *bpsmsg; 4795 4796 switch (adapter->link_speed) { 4797 case IXGBE_LINK_SPEED_10GB_FULL: 4798 bpsmsg = "10 Gbps"; 4799 break; 4800 case IXGBE_LINK_SPEED_5GB_FULL: 4801 bpsmsg = "5 Gbps"; 4802 break; 4803 case IXGBE_LINK_SPEED_2_5GB_FULL: 4804 bpsmsg = "2.5 Gbps"; 4805 break; 4806 case IXGBE_LINK_SPEED_1GB_FULL: 4807 bpsmsg = "1 Gbps"; 4808 break; 4809 case IXGBE_LINK_SPEED_100_FULL: 4810 bpsmsg = "100 Mbps"; 4811 break; 4812 case IXGBE_LINK_SPEED_10_FULL: 4813 bpsmsg = "10 Mbps"; 4814 break; 4815 default: 4816 bpsmsg = "unknown speed"; 4817 break; 4818 } 4819 device_printf(dev, "Link is up %s %s \n", 4820 bpsmsg, "Full Duplex"); 4821 } 4822 adapter->link_active = LINK_STATE_UP; 4823 /* Update any Flow Control changes */ 4824 ixgbe_fc_enable(&adapter->hw); 4825 /* Update DMA coalescing config */ 4826 ixgbe_config_dmac(adapter); 4827 if_link_state_change(ifp, LINK_STATE_UP); 4828 4829 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) 4830 ixgbe_ping_all_vfs(adapter); 4831 } 4832 } else { 4833 /* 4834 * Do it when link active changes to DOWN. i.e. 4835 * a) LINK_STATE_UNKNOWN -> LINK_STATE_DOWN 4836 * b) LINK_STATE_UP -> LINK_STATE_DOWN 4837 */ 4838 if (adapter->link_active != LINK_STATE_DOWN) { 4839 if (bootverbose) 4840 device_printf(dev, "Link is Down\n"); 4841 if_link_state_change(ifp, LINK_STATE_DOWN); 4842 adapter->link_active = LINK_STATE_DOWN; 4843 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) 4844 ixgbe_ping_all_vfs(adapter); 4845 ixgbe_drain_all(adapter); 4846 } 4847 } 4848 } /* ixgbe_update_link_status */ 4849 4850 /************************************************************************ 4851 * ixgbe_config_dmac - Configure DMA Coalescing 4852 ************************************************************************/ 4853 static void 4854 ixgbe_config_dmac(struct adapter *adapter) 4855 { 4856 struct ixgbe_hw *hw = &adapter->hw; 4857 struct ixgbe_dmac_config *dcfg = &hw->mac.dmac_config; 4858 4859 if (hw->mac.type < ixgbe_mac_X550 || !hw->mac.ops.dmac_config) 4860 return; 4861 4862 if (dcfg->watchdog_timer ^ adapter->dmac || 4863 dcfg->link_speed ^ adapter->link_speed) { 4864 dcfg->watchdog_timer = adapter->dmac; 4865 dcfg->fcoe_en = false; 4866 dcfg->link_speed = adapter->link_speed; 4867 dcfg->num_tcs = 1; 4868 4869 INIT_DEBUGOUT2("dmac settings: watchdog %d, link speed %d\n", 4870 dcfg->watchdog_timer, dcfg->link_speed); 4871 4872 hw->mac.ops.dmac_config(hw); 4873 } 4874 } /* ixgbe_config_dmac */ 4875 4876 /************************************************************************ 4877 * ixgbe_enable_intr 4878 ************************************************************************/ 4879 static void 4880 ixgbe_enable_intr(struct adapter *adapter) 4881 { 4882 struct ixgbe_hw *hw = &adapter->hw; 4883 struct ix_queue *que = adapter->queues; 4884 u32 mask, fwsm; 4885 4886 mask = (IXGBE_EIMS_ENABLE_MASK & ~IXGBE_EIMS_RTX_QUEUE); 4887 4888 switch (adapter->hw.mac.type) { 4889 case ixgbe_mac_82599EB: 4890 mask |= IXGBE_EIMS_ECC; 4891 /* Temperature sensor on some adapters */ 4892 mask |= IXGBE_EIMS_GPI_SDP0; 4893 /* SFP+ (RX_LOS_N & MOD_ABS_N) */ 4894 mask |= IXGBE_EIMS_GPI_SDP1; 4895 mask |= IXGBE_EIMS_GPI_SDP2; 4896 break; 4897 case ixgbe_mac_X540: 4898 /* Detect if Thermal Sensor is enabled */ 4899 fwsm = IXGBE_READ_REG(hw, IXGBE_FWSM); 4900 if (fwsm & IXGBE_FWSM_TS_ENABLED) 4901 mask |= IXGBE_EIMS_TS; 4902 mask |= IXGBE_EIMS_ECC; 4903 break; 4904 case ixgbe_mac_X550: 4905 /* MAC thermal sensor is automatically enabled */ 4906 mask |= IXGBE_EIMS_TS; 4907 mask |= IXGBE_EIMS_ECC; 4908 break; 4909 case ixgbe_mac_X550EM_x: 4910 case ixgbe_mac_X550EM_a: 4911 /* Some devices use SDP0 for important information */ 4912 if (hw->device_id == IXGBE_DEV_ID_X550EM_X_SFP || 4913 hw->device_id == IXGBE_DEV_ID_X550EM_A_SFP || 4914 hw->device_id == IXGBE_DEV_ID_X550EM_A_SFP_N || 4915 hw->device_id == IXGBE_DEV_ID_X550EM_X_10G_T) 4916 mask |= IXGBE_EIMS_GPI_SDP0_BY_MAC(hw); 4917 if (hw->phy.type == ixgbe_phy_x550em_ext_t) 4918 mask |= IXGBE_EICR_GPI_SDP0_X540; 4919 mask |= IXGBE_EIMS_ECC; 4920 break; 4921 default: 4922 break; 4923 } 4924 4925 /* Enable Fan Failure detection */ 4926 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) 4927 mask |= IXGBE_EIMS_GPI_SDP1; 4928 /* Enable SR-IOV */ 4929 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) 4930 mask |= IXGBE_EIMS_MAILBOX; 4931 /* Enable Flow Director */ 4932 if (adapter->feat_en & IXGBE_FEATURE_FDIR) 4933 mask |= IXGBE_EIMS_FLOW_DIR; 4934 4935 IXGBE_WRITE_REG(hw, IXGBE_EIMS, mask); 4936 4937 /* With MSI-X we use auto clear */ 4938 if (adapter->msix_mem) { 4939 mask = IXGBE_EIMS_ENABLE_MASK; 4940 /* Don't autoclear Link */ 4941 mask &= ~IXGBE_EIMS_OTHER; 4942 mask &= ~IXGBE_EIMS_LSC; 4943 if (adapter->feat_cap & IXGBE_FEATURE_SRIOV) 4944 mask &= ~IXGBE_EIMS_MAILBOX; 4945 IXGBE_WRITE_REG(hw, IXGBE_EIAC, mask); 4946 } 4947 4948 /* 4949 * Now enable all queues, this is done separately to 4950 * allow for handling the extended (beyond 32) MSI-X 4951 * vectors that can be used by 82599 4952 */ 4953 for (int i = 0; i < adapter->num_queues; i++, que++) 4954 ixgbe_enable_queue(adapter, que->msix); 4955 4956 IXGBE_WRITE_FLUSH(hw); 4957 4958 } /* ixgbe_enable_intr */ 4959 4960 /************************************************************************ 4961 * ixgbe_disable_intr_internal 4962 ************************************************************************/ 4963 static void 4964 ixgbe_disable_intr_internal(struct adapter *adapter, bool nestok) 4965 { 4966 struct ix_queue *que = adapter->queues; 4967 4968 /* disable interrupts other than queues */ 4969 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, ~IXGBE_EIMC_RTX_QUEUE); 4970 4971 if (adapter->msix_mem) 4972 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIAC, 0); 4973 4974 for (int i = 0; i < adapter->num_queues; i++, que++) 4975 ixgbe_disable_queue_internal(adapter, que->msix, nestok); 4976 4977 IXGBE_WRITE_FLUSH(&adapter->hw); 4978 4979 } /* ixgbe_do_disable_intr_internal */ 4980 4981 /************************************************************************ 4982 * ixgbe_disable_intr 4983 ************************************************************************/ 4984 static void 4985 ixgbe_disable_intr(struct adapter *adapter) 4986 { 4987 4988 ixgbe_disable_intr_internal(adapter, true); 4989 } /* ixgbe_disable_intr */ 4990 4991 /************************************************************************ 4992 * ixgbe_ensure_disabled_intr 4993 ************************************************************************/ 4994 void 4995 ixgbe_ensure_disabled_intr(struct adapter *adapter) 4996 { 4997 4998 ixgbe_disable_intr_internal(adapter, false); 4999 } /* ixgbe_ensure_disabled_intr */ 5000 5001 /************************************************************************ 5002 * ixgbe_legacy_irq - Legacy Interrupt Service routine 5003 ************************************************************************/ 5004 static int 5005 ixgbe_legacy_irq(void *arg) 5006 { 5007 struct ix_queue *que = arg; 5008 struct adapter *adapter = que->adapter; 5009 struct ixgbe_hw *hw = &adapter->hw; 5010 struct ifnet *ifp = adapter->ifp; 5011 struct tx_ring *txr = adapter->tx_rings; 5012 bool more = false; 5013 u32 eicr, eicr_mask; 5014 5015 /* Silicon errata #26 on 82598 */ 5016 IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_IRQ_CLEAR_MASK); 5017 5018 eicr = IXGBE_READ_REG(hw, IXGBE_EICR); 5019 5020 adapter->stats.pf.legint.ev_count++; 5021 ++que->irqs.ev_count; 5022 if (eicr == 0) { 5023 adapter->stats.pf.intzero.ev_count++; 5024 if ((ifp->if_flags & IFF_UP) != 0) 5025 ixgbe_enable_intr(adapter); 5026 return 0; 5027 } 5028 5029 if ((ifp->if_flags & IFF_RUNNING) != 0) { 5030 /* 5031 * The same as ixgbe_msix_que() about "que->txrx_use_workqueue". 5032 */ 5033 que->txrx_use_workqueue = adapter->txrx_use_workqueue; 5034 5035 #ifdef __NetBSD__ 5036 /* Don't run ixgbe_rxeof in interrupt context */ 5037 more = true; 5038 #else 5039 more = ixgbe_rxeof(que); 5040 #endif 5041 5042 IXGBE_TX_LOCK(txr); 5043 ixgbe_txeof(txr); 5044 #ifdef notyet 5045 if (!ixgbe_ring_empty(ifp, txr->br)) 5046 ixgbe_start_locked(ifp, txr); 5047 #endif 5048 IXGBE_TX_UNLOCK(txr); 5049 } 5050 5051 /* Check for fan failure */ 5052 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) { 5053 ixgbe_check_fan_failure(adapter, eicr, true); 5054 IXGBE_WRITE_REG(hw, IXGBE_EIMS, IXGBE_EICR_GPI_SDP1_BY_MAC(hw)); 5055 } 5056 5057 /* Link status change */ 5058 if (eicr & IXGBE_EICR_LSC) 5059 softint_schedule(adapter->link_si); 5060 5061 if (ixgbe_is_sfp(hw)) { 5062 /* Pluggable optics-related interrupt */ 5063 if (hw->mac.type >= ixgbe_mac_X540) 5064 eicr_mask = IXGBE_EICR_GPI_SDP0_X540; 5065 else 5066 eicr_mask = IXGBE_EICR_GPI_SDP2_BY_MAC(hw); 5067 5068 if (eicr & eicr_mask) { 5069 IXGBE_WRITE_REG(hw, IXGBE_EICR, eicr_mask); 5070 softint_schedule(adapter->mod_si); 5071 } 5072 5073 if ((hw->mac.type == ixgbe_mac_82599EB) && 5074 (eicr & IXGBE_EICR_GPI_SDP1_BY_MAC(hw))) { 5075 IXGBE_WRITE_REG(hw, IXGBE_EICR, 5076 IXGBE_EICR_GPI_SDP1_BY_MAC(hw)); 5077 softint_schedule(adapter->msf_si); 5078 } 5079 } 5080 5081 /* External PHY interrupt */ 5082 if ((hw->phy.type == ixgbe_phy_x550em_ext_t) && 5083 (eicr & IXGBE_EICR_GPI_SDP0_X540)) 5084 softint_schedule(adapter->phy_si); 5085 5086 if (more) { 5087 que->req.ev_count++; 5088 ixgbe_sched_handle_que(adapter, que); 5089 } else 5090 ixgbe_enable_intr(adapter); 5091 5092 return 1; 5093 } /* ixgbe_legacy_irq */ 5094 5095 /************************************************************************ 5096 * ixgbe_free_pciintr_resources 5097 ************************************************************************/ 5098 static void 5099 ixgbe_free_pciintr_resources(struct adapter *adapter) 5100 { 5101 struct ix_queue *que = adapter->queues; 5102 int rid; 5103 5104 /* 5105 * Release all msix queue resources: 5106 */ 5107 for (int i = 0; i < adapter->num_queues; i++, que++) { 5108 if (que->res != NULL) { 5109 pci_intr_disestablish(adapter->osdep.pc, 5110 adapter->osdep.ihs[i]); 5111 adapter->osdep.ihs[i] = NULL; 5112 } 5113 } 5114 5115 /* Clean the Legacy or Link interrupt last */ 5116 if (adapter->vector) /* we are doing MSIX */ 5117 rid = adapter->vector; 5118 else 5119 rid = 0; 5120 5121 if (adapter->osdep.ihs[rid] != NULL) { 5122 pci_intr_disestablish(adapter->osdep.pc, 5123 adapter->osdep.ihs[rid]); 5124 adapter->osdep.ihs[rid] = NULL; 5125 } 5126 5127 if (adapter->osdep.intrs != NULL) { 5128 pci_intr_release(adapter->osdep.pc, adapter->osdep.intrs, 5129 adapter->osdep.nintrs); 5130 adapter->osdep.intrs = NULL; 5131 } 5132 } /* ixgbe_free_pciintr_resources */ 5133 5134 /************************************************************************ 5135 * ixgbe_free_pci_resources 5136 ************************************************************************/ 5137 static void 5138 ixgbe_free_pci_resources(struct adapter *adapter) 5139 { 5140 5141 ixgbe_free_pciintr_resources(adapter); 5142 5143 if (adapter->osdep.mem_size != 0) { 5144 bus_space_unmap(adapter->osdep.mem_bus_space_tag, 5145 adapter->osdep.mem_bus_space_handle, 5146 adapter->osdep.mem_size); 5147 } 5148 5149 } /* ixgbe_free_pci_resources */ 5150 5151 /************************************************************************ 5152 * ixgbe_set_sysctl_value 5153 ************************************************************************/ 5154 static void 5155 ixgbe_set_sysctl_value(struct adapter *adapter, const char *name, 5156 const char *description, int *limit, int value) 5157 { 5158 device_t dev = adapter->dev; 5159 struct sysctllog **log; 5160 const struct sysctlnode *rnode, *cnode; 5161 5162 /* 5163 * It's not required to check recovery mode because this function never 5164 * touches hardware. 5165 */ 5166 5167 log = &adapter->sysctllog; 5168 if ((rnode = ixgbe_sysctl_instance(adapter)) == NULL) { 5169 aprint_error_dev(dev, "could not create sysctl root\n"); 5170 return; 5171 } 5172 if (sysctl_createv(log, 0, &rnode, &cnode, 5173 CTLFLAG_READWRITE, CTLTYPE_INT, 5174 name, SYSCTL_DESCR(description), 5175 NULL, 0, limit, 0, CTL_CREATE, CTL_EOL) != 0) 5176 aprint_error_dev(dev, "could not create sysctl\n"); 5177 *limit = value; 5178 } /* ixgbe_set_sysctl_value */ 5179 5180 /************************************************************************ 5181 * ixgbe_sysctl_flowcntl 5182 * 5183 * SYSCTL wrapper around setting Flow Control 5184 ************************************************************************/ 5185 static int 5186 ixgbe_sysctl_flowcntl(SYSCTLFN_ARGS) 5187 { 5188 struct sysctlnode node = *rnode; 5189 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5190 int error, fc; 5191 5192 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5193 return (EPERM); 5194 5195 fc = adapter->hw.fc.current_mode; 5196 node.sysctl_data = &fc; 5197 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5198 if (error != 0 || newp == NULL) 5199 return error; 5200 5201 /* Don't bother if it's not changed */ 5202 if (fc == adapter->hw.fc.current_mode) 5203 return (0); 5204 5205 return ixgbe_set_flowcntl(adapter, fc); 5206 } /* ixgbe_sysctl_flowcntl */ 5207 5208 /************************************************************************ 5209 * ixgbe_set_flowcntl - Set flow control 5210 * 5211 * Flow control values: 5212 * 0 - off 5213 * 1 - rx pause 5214 * 2 - tx pause 5215 * 3 - full 5216 ************************************************************************/ 5217 static int 5218 ixgbe_set_flowcntl(struct adapter *adapter, int fc) 5219 { 5220 switch (fc) { 5221 case ixgbe_fc_rx_pause: 5222 case ixgbe_fc_tx_pause: 5223 case ixgbe_fc_full: 5224 adapter->hw.fc.requested_mode = fc; 5225 if (adapter->num_queues > 1) 5226 ixgbe_disable_rx_drop(adapter); 5227 break; 5228 case ixgbe_fc_none: 5229 adapter->hw.fc.requested_mode = ixgbe_fc_none; 5230 if (adapter->num_queues > 1) 5231 ixgbe_enable_rx_drop(adapter); 5232 break; 5233 default: 5234 return (EINVAL); 5235 } 5236 5237 #if 0 /* XXX NetBSD */ 5238 /* Don't autoneg if forcing a value */ 5239 adapter->hw.fc.disable_fc_autoneg = TRUE; 5240 #endif 5241 ixgbe_fc_enable(&adapter->hw); 5242 5243 return (0); 5244 } /* ixgbe_set_flowcntl */ 5245 5246 /************************************************************************ 5247 * ixgbe_enable_rx_drop 5248 * 5249 * Enable the hardware to drop packets when the buffer is 5250 * full. This is useful with multiqueue, so that no single 5251 * queue being full stalls the entire RX engine. We only 5252 * enable this when Multiqueue is enabled AND Flow Control 5253 * is disabled. 5254 ************************************************************************/ 5255 static void 5256 ixgbe_enable_rx_drop(struct adapter *adapter) 5257 { 5258 struct ixgbe_hw *hw = &adapter->hw; 5259 struct rx_ring *rxr; 5260 u32 srrctl; 5261 5262 for (int i = 0; i < adapter->num_queues; i++) { 5263 rxr = &adapter->rx_rings[i]; 5264 srrctl = IXGBE_READ_REG(hw, IXGBE_SRRCTL(rxr->me)); 5265 srrctl |= IXGBE_SRRCTL_DROP_EN; 5266 IXGBE_WRITE_REG(hw, IXGBE_SRRCTL(rxr->me), srrctl); 5267 } 5268 5269 /* enable drop for each vf */ 5270 for (int i = 0; i < adapter->num_vfs; i++) { 5271 IXGBE_WRITE_REG(hw, IXGBE_QDE, 5272 (IXGBE_QDE_WRITE | (i << IXGBE_QDE_IDX_SHIFT) | 5273 IXGBE_QDE_ENABLE)); 5274 } 5275 } /* ixgbe_enable_rx_drop */ 5276 5277 /************************************************************************ 5278 * ixgbe_disable_rx_drop 5279 ************************************************************************/ 5280 static void 5281 ixgbe_disable_rx_drop(struct adapter *adapter) 5282 { 5283 struct ixgbe_hw *hw = &adapter->hw; 5284 struct rx_ring *rxr; 5285 u32 srrctl; 5286 5287 for (int i = 0; i < adapter->num_queues; i++) { 5288 rxr = &adapter->rx_rings[i]; 5289 srrctl = IXGBE_READ_REG(hw, IXGBE_SRRCTL(rxr->me)); 5290 srrctl &= ~IXGBE_SRRCTL_DROP_EN; 5291 IXGBE_WRITE_REG(hw, IXGBE_SRRCTL(rxr->me), srrctl); 5292 } 5293 5294 /* disable drop for each vf */ 5295 for (int i = 0; i < adapter->num_vfs; i++) { 5296 IXGBE_WRITE_REG(hw, IXGBE_QDE, 5297 (IXGBE_QDE_WRITE | (i << IXGBE_QDE_IDX_SHIFT))); 5298 } 5299 } /* ixgbe_disable_rx_drop */ 5300 5301 /************************************************************************ 5302 * ixgbe_sysctl_advertise 5303 * 5304 * SYSCTL wrapper around setting advertised speed 5305 ************************************************************************/ 5306 static int 5307 ixgbe_sysctl_advertise(SYSCTLFN_ARGS) 5308 { 5309 struct sysctlnode node = *rnode; 5310 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5311 int error = 0, advertise; 5312 5313 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5314 return (EPERM); 5315 5316 advertise = adapter->advertise; 5317 node.sysctl_data = &advertise; 5318 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5319 if (error != 0 || newp == NULL) 5320 return error; 5321 5322 return ixgbe_set_advertise(adapter, advertise); 5323 } /* ixgbe_sysctl_advertise */ 5324 5325 /************************************************************************ 5326 * ixgbe_set_advertise - Control advertised link speed 5327 * 5328 * Flags: 5329 * 0x00 - Default (all capable link speed) 5330 * 0x01 - advertise 100 Mb 5331 * 0x02 - advertise 1G 5332 * 0x04 - advertise 10G 5333 * 0x08 - advertise 10 Mb 5334 * 0x10 - advertise 2.5G 5335 * 0x20 - advertise 5G 5336 ************************************************************************/ 5337 static int 5338 ixgbe_set_advertise(struct adapter *adapter, int advertise) 5339 { 5340 device_t dev; 5341 struct ixgbe_hw *hw; 5342 ixgbe_link_speed speed = 0; 5343 ixgbe_link_speed link_caps = 0; 5344 s32 err = IXGBE_NOT_IMPLEMENTED; 5345 bool negotiate = FALSE; 5346 5347 /* Checks to validate new value */ 5348 if (adapter->advertise == advertise) /* no change */ 5349 return (0); 5350 5351 dev = adapter->dev; 5352 hw = &adapter->hw; 5353 5354 /* No speed changes for backplane media */ 5355 if (hw->phy.media_type == ixgbe_media_type_backplane) 5356 return (ENODEV); 5357 5358 if (!((hw->phy.media_type == ixgbe_media_type_copper) || 5359 (hw->phy.multispeed_fiber))) { 5360 device_printf(dev, 5361 "Advertised speed can only be set on copper or " 5362 "multispeed fiber media types.\n"); 5363 return (EINVAL); 5364 } 5365 5366 if (advertise < 0x0 || advertise > 0x2f) { 5367 device_printf(dev, 5368 "Invalid advertised speed; valid modes are 0x0 through 0x7\n"); 5369 return (EINVAL); 5370 } 5371 5372 if (hw->mac.ops.get_link_capabilities) { 5373 err = hw->mac.ops.get_link_capabilities(hw, &link_caps, 5374 &negotiate); 5375 if (err != IXGBE_SUCCESS) { 5376 device_printf(dev, "Unable to determine supported advertise speeds\n"); 5377 return (ENODEV); 5378 } 5379 } 5380 5381 /* Set new value and report new advertised mode */ 5382 if (advertise & 0x1) { 5383 if (!(link_caps & IXGBE_LINK_SPEED_100_FULL)) { 5384 device_printf(dev, "Interface does not support 100Mb advertised speed\n"); 5385 return (EINVAL); 5386 } 5387 speed |= IXGBE_LINK_SPEED_100_FULL; 5388 } 5389 if (advertise & 0x2) { 5390 if (!(link_caps & IXGBE_LINK_SPEED_1GB_FULL)) { 5391 device_printf(dev, "Interface does not support 1Gb advertised speed\n"); 5392 return (EINVAL); 5393 } 5394 speed |= IXGBE_LINK_SPEED_1GB_FULL; 5395 } 5396 if (advertise & 0x4) { 5397 if (!(link_caps & IXGBE_LINK_SPEED_10GB_FULL)) { 5398 device_printf(dev, "Interface does not support 10Gb advertised speed\n"); 5399 return (EINVAL); 5400 } 5401 speed |= IXGBE_LINK_SPEED_10GB_FULL; 5402 } 5403 if (advertise & 0x8) { 5404 if (!(link_caps & IXGBE_LINK_SPEED_10_FULL)) { 5405 device_printf(dev, "Interface does not support 10Mb advertised speed\n"); 5406 return (EINVAL); 5407 } 5408 speed |= IXGBE_LINK_SPEED_10_FULL; 5409 } 5410 if (advertise & 0x10) { 5411 if (!(link_caps & IXGBE_LINK_SPEED_2_5GB_FULL)) { 5412 device_printf(dev, "Interface does not support 2.5Gb advertised speed\n"); 5413 return (EINVAL); 5414 } 5415 speed |= IXGBE_LINK_SPEED_2_5GB_FULL; 5416 } 5417 if (advertise & 0x20) { 5418 if (!(link_caps & IXGBE_LINK_SPEED_5GB_FULL)) { 5419 device_printf(dev, "Interface does not support 5Gb advertised speed\n"); 5420 return (EINVAL); 5421 } 5422 speed |= IXGBE_LINK_SPEED_5GB_FULL; 5423 } 5424 if (advertise == 0) 5425 speed = link_caps; /* All capable link speed */ 5426 5427 hw->mac.autotry_restart = TRUE; 5428 hw->mac.ops.setup_link(hw, speed, TRUE); 5429 adapter->advertise = advertise; 5430 5431 return (0); 5432 } /* ixgbe_set_advertise */ 5433 5434 /************************************************************************ 5435 * ixgbe_get_advertise - Get current advertised speed settings 5436 * 5437 * Formatted for sysctl usage. 5438 * Flags: 5439 * 0x01 - advertise 100 Mb 5440 * 0x02 - advertise 1G 5441 * 0x04 - advertise 10G 5442 * 0x08 - advertise 10 Mb (yes, Mb) 5443 * 0x10 - advertise 2.5G 5444 * 0x20 - advertise 5G 5445 ************************************************************************/ 5446 static int 5447 ixgbe_get_advertise(struct adapter *adapter) 5448 { 5449 struct ixgbe_hw *hw = &adapter->hw; 5450 int speed; 5451 ixgbe_link_speed link_caps = 0; 5452 s32 err; 5453 bool negotiate = FALSE; 5454 5455 /* 5456 * Advertised speed means nothing unless it's copper or 5457 * multi-speed fiber 5458 */ 5459 if (!(hw->phy.media_type == ixgbe_media_type_copper) && 5460 !(hw->phy.multispeed_fiber)) 5461 return (0); 5462 5463 err = hw->mac.ops.get_link_capabilities(hw, &link_caps, &negotiate); 5464 if (err != IXGBE_SUCCESS) 5465 return (0); 5466 5467 speed = 5468 ((link_caps & IXGBE_LINK_SPEED_10GB_FULL) ? 0x04 : 0) | 5469 ((link_caps & IXGBE_LINK_SPEED_1GB_FULL) ? 0x02 : 0) | 5470 ((link_caps & IXGBE_LINK_SPEED_100_FULL) ? 0x01 : 0) | 5471 ((link_caps & IXGBE_LINK_SPEED_10_FULL) ? 0x08 : 0) | 5472 ((link_caps & IXGBE_LINK_SPEED_2_5GB_FULL) ? 0x10 : 0) | 5473 ((link_caps & IXGBE_LINK_SPEED_5GB_FULL) ? 0x20 : 0); 5474 5475 return speed; 5476 } /* ixgbe_get_advertise */ 5477 5478 /************************************************************************ 5479 * ixgbe_sysctl_dmac - Manage DMA Coalescing 5480 * 5481 * Control values: 5482 * 0/1 - off / on (use default value of 1000) 5483 * 5484 * Legal timer values are: 5485 * 50,100,250,500,1000,2000,5000,10000 5486 * 5487 * Turning off interrupt moderation will also turn this off. 5488 ************************************************************************/ 5489 static int 5490 ixgbe_sysctl_dmac(SYSCTLFN_ARGS) 5491 { 5492 struct sysctlnode node = *rnode; 5493 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5494 struct ifnet *ifp = adapter->ifp; 5495 int error; 5496 int newval; 5497 5498 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5499 return (EPERM); 5500 5501 newval = adapter->dmac; 5502 node.sysctl_data = &newval; 5503 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5504 if ((error) || (newp == NULL)) 5505 return (error); 5506 5507 switch (newval) { 5508 case 0: 5509 /* Disabled */ 5510 adapter->dmac = 0; 5511 break; 5512 case 1: 5513 /* Enable and use default */ 5514 adapter->dmac = 1000; 5515 break; 5516 case 50: 5517 case 100: 5518 case 250: 5519 case 500: 5520 case 1000: 5521 case 2000: 5522 case 5000: 5523 case 10000: 5524 /* Legal values - allow */ 5525 adapter->dmac = newval; 5526 break; 5527 default: 5528 /* Do nothing, illegal value */ 5529 return (EINVAL); 5530 } 5531 5532 /* Re-initialize hardware if it's already running */ 5533 if (ifp->if_flags & IFF_RUNNING) 5534 ifp->if_init(ifp); 5535 5536 return (0); 5537 } 5538 5539 #ifdef IXGBE_DEBUG 5540 /************************************************************************ 5541 * ixgbe_sysctl_power_state 5542 * 5543 * Sysctl to test power states 5544 * Values: 5545 * 0 - set device to D0 5546 * 3 - set device to D3 5547 * (none) - get current device power state 5548 ************************************************************************/ 5549 static int 5550 ixgbe_sysctl_power_state(SYSCTLFN_ARGS) 5551 { 5552 #ifdef notyet 5553 struct sysctlnode node = *rnode; 5554 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5555 device_t dev = adapter->dev; 5556 int curr_ps, new_ps, error = 0; 5557 5558 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5559 return (EPERM); 5560 5561 curr_ps = new_ps = pci_get_powerstate(dev); 5562 5563 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5564 if ((error) || (req->newp == NULL)) 5565 return (error); 5566 5567 if (new_ps == curr_ps) 5568 return (0); 5569 5570 if (new_ps == 3 && curr_ps == 0) 5571 error = DEVICE_SUSPEND(dev); 5572 else if (new_ps == 0 && curr_ps == 3) 5573 error = DEVICE_RESUME(dev); 5574 else 5575 return (EINVAL); 5576 5577 device_printf(dev, "New state: %d\n", pci_get_powerstate(dev)); 5578 5579 return (error); 5580 #else 5581 return 0; 5582 #endif 5583 } /* ixgbe_sysctl_power_state */ 5584 #endif 5585 5586 /************************************************************************ 5587 * ixgbe_sysctl_wol_enable 5588 * 5589 * Sysctl to enable/disable the WoL capability, 5590 * if supported by the adapter. 5591 * 5592 * Values: 5593 * 0 - disabled 5594 * 1 - enabled 5595 ************************************************************************/ 5596 static int 5597 ixgbe_sysctl_wol_enable(SYSCTLFN_ARGS) 5598 { 5599 struct sysctlnode node = *rnode; 5600 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5601 struct ixgbe_hw *hw = &adapter->hw; 5602 bool new_wol_enabled; 5603 int error = 0; 5604 5605 /* 5606 * It's not required to check recovery mode because this function never 5607 * touches hardware. 5608 */ 5609 new_wol_enabled = hw->wol_enabled; 5610 node.sysctl_data = &new_wol_enabled; 5611 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5612 if ((error) || (newp == NULL)) 5613 return (error); 5614 if (new_wol_enabled == hw->wol_enabled) 5615 return (0); 5616 5617 if (new_wol_enabled && !adapter->wol_support) 5618 return (ENODEV); 5619 else 5620 hw->wol_enabled = new_wol_enabled; 5621 5622 return (0); 5623 } /* ixgbe_sysctl_wol_enable */ 5624 5625 /************************************************************************ 5626 * ixgbe_sysctl_wufc - Wake Up Filter Control 5627 * 5628 * Sysctl to enable/disable the types of packets that the 5629 * adapter will wake up on upon receipt. 5630 * Flags: 5631 * 0x1 - Link Status Change 5632 * 0x2 - Magic Packet 5633 * 0x4 - Direct Exact 5634 * 0x8 - Directed Multicast 5635 * 0x10 - Broadcast 5636 * 0x20 - ARP/IPv4 Request Packet 5637 * 0x40 - Direct IPv4 Packet 5638 * 0x80 - Direct IPv6 Packet 5639 * 5640 * Settings not listed above will cause the sysctl to return an error. 5641 ************************************************************************/ 5642 static int 5643 ixgbe_sysctl_wufc(SYSCTLFN_ARGS) 5644 { 5645 struct sysctlnode node = *rnode; 5646 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5647 int error = 0; 5648 u32 new_wufc; 5649 5650 /* 5651 * It's not required to check recovery mode because this function never 5652 * touches hardware. 5653 */ 5654 new_wufc = adapter->wufc; 5655 node.sysctl_data = &new_wufc; 5656 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5657 if ((error) || (newp == NULL)) 5658 return (error); 5659 if (new_wufc == adapter->wufc) 5660 return (0); 5661 5662 if (new_wufc & 0xffffff00) 5663 return (EINVAL); 5664 5665 new_wufc &= 0xff; 5666 new_wufc |= (0xffffff & adapter->wufc); 5667 adapter->wufc = new_wufc; 5668 5669 return (0); 5670 } /* ixgbe_sysctl_wufc */ 5671 5672 #ifdef IXGBE_DEBUG 5673 /************************************************************************ 5674 * ixgbe_sysctl_print_rss_config 5675 ************************************************************************/ 5676 static int 5677 ixgbe_sysctl_print_rss_config(SYSCTLFN_ARGS) 5678 { 5679 #ifdef notyet 5680 struct sysctlnode node = *rnode; 5681 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5682 struct ixgbe_hw *hw = &adapter->hw; 5683 device_t dev = adapter->dev; 5684 struct sbuf *buf; 5685 int error = 0, reta_size; 5686 u32 reg; 5687 5688 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5689 return (EPERM); 5690 5691 buf = sbuf_new_for_sysctl(NULL, NULL, 128, req); 5692 if (!buf) { 5693 device_printf(dev, "Could not allocate sbuf for output.\n"); 5694 return (ENOMEM); 5695 } 5696 5697 // TODO: use sbufs to make a string to print out 5698 /* Set multiplier for RETA setup and table size based on MAC */ 5699 switch (adapter->hw.mac.type) { 5700 case ixgbe_mac_X550: 5701 case ixgbe_mac_X550EM_x: 5702 case ixgbe_mac_X550EM_a: 5703 reta_size = 128; 5704 break; 5705 default: 5706 reta_size = 32; 5707 break; 5708 } 5709 5710 /* Print out the redirection table */ 5711 sbuf_cat(buf, "\n"); 5712 for (int i = 0; i < reta_size; i++) { 5713 if (i < 32) { 5714 reg = IXGBE_READ_REG(hw, IXGBE_RETA(i)); 5715 sbuf_printf(buf, "RETA(%2d): 0x%08x\n", i, reg); 5716 } else { 5717 reg = IXGBE_READ_REG(hw, IXGBE_ERETA(i - 32)); 5718 sbuf_printf(buf, "ERETA(%2d): 0x%08x\n", i - 32, reg); 5719 } 5720 } 5721 5722 // TODO: print more config 5723 5724 error = sbuf_finish(buf); 5725 if (error) 5726 device_printf(dev, "Error finishing sbuf: %d\n", error); 5727 5728 sbuf_delete(buf); 5729 #endif 5730 return (0); 5731 } /* ixgbe_sysctl_print_rss_config */ 5732 #endif /* IXGBE_DEBUG */ 5733 5734 /************************************************************************ 5735 * ixgbe_sysctl_phy_temp - Retrieve temperature of PHY 5736 * 5737 * For X552/X557-AT devices using an external PHY 5738 ************************************************************************/ 5739 static int 5740 ixgbe_sysctl_phy_temp(SYSCTLFN_ARGS) 5741 { 5742 struct sysctlnode node = *rnode; 5743 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5744 struct ixgbe_hw *hw = &adapter->hw; 5745 int val; 5746 u16 reg; 5747 int error; 5748 5749 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5750 return (EPERM); 5751 5752 if (hw->device_id != IXGBE_DEV_ID_X550EM_X_10G_T) { 5753 device_printf(adapter->dev, 5754 "Device has no supported external thermal sensor.\n"); 5755 return (ENODEV); 5756 } 5757 5758 if (hw->phy.ops.read_reg(hw, IXGBE_PHY_CURRENT_TEMP, 5759 IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, ®)) { 5760 device_printf(adapter->dev, 5761 "Error reading from PHY's current temperature register\n"); 5762 return (EAGAIN); 5763 } 5764 5765 node.sysctl_data = &val; 5766 5767 /* Shift temp for output */ 5768 val = reg >> 8; 5769 5770 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5771 if ((error) || (newp == NULL)) 5772 return (error); 5773 5774 return (0); 5775 } /* ixgbe_sysctl_phy_temp */ 5776 5777 /************************************************************************ 5778 * ixgbe_sysctl_phy_overtemp_occurred 5779 * 5780 * Reports (directly from the PHY) whether the current PHY 5781 * temperature is over the overtemp threshold. 5782 ************************************************************************/ 5783 static int 5784 ixgbe_sysctl_phy_overtemp_occurred(SYSCTLFN_ARGS) 5785 { 5786 struct sysctlnode node = *rnode; 5787 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5788 struct ixgbe_hw *hw = &adapter->hw; 5789 int val, error; 5790 u16 reg; 5791 5792 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5793 return (EPERM); 5794 5795 if (hw->device_id != IXGBE_DEV_ID_X550EM_X_10G_T) { 5796 device_printf(adapter->dev, 5797 "Device has no supported external thermal sensor.\n"); 5798 return (ENODEV); 5799 } 5800 5801 if (hw->phy.ops.read_reg(hw, IXGBE_PHY_OVERTEMP_STATUS, 5802 IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, ®)) { 5803 device_printf(adapter->dev, 5804 "Error reading from PHY's temperature status register\n"); 5805 return (EAGAIN); 5806 } 5807 5808 node.sysctl_data = &val; 5809 5810 /* Get occurrence bit */ 5811 val = !!(reg & 0x4000); 5812 5813 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5814 if ((error) || (newp == NULL)) 5815 return (error); 5816 5817 return (0); 5818 } /* ixgbe_sysctl_phy_overtemp_occurred */ 5819 5820 /************************************************************************ 5821 * ixgbe_sysctl_eee_state 5822 * 5823 * Sysctl to set EEE power saving feature 5824 * Values: 5825 * 0 - disable EEE 5826 * 1 - enable EEE 5827 * (none) - get current device EEE state 5828 ************************************************************************/ 5829 static int 5830 ixgbe_sysctl_eee_state(SYSCTLFN_ARGS) 5831 { 5832 struct sysctlnode node = *rnode; 5833 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5834 struct ifnet *ifp = adapter->ifp; 5835 device_t dev = adapter->dev; 5836 int curr_eee, new_eee, error = 0; 5837 s32 retval; 5838 5839 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5840 return (EPERM); 5841 5842 curr_eee = new_eee = !!(adapter->feat_en & IXGBE_FEATURE_EEE); 5843 node.sysctl_data = &new_eee; 5844 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5845 if ((error) || (newp == NULL)) 5846 return (error); 5847 5848 /* Nothing to do */ 5849 if (new_eee == curr_eee) 5850 return (0); 5851 5852 /* Not supported */ 5853 if (!(adapter->feat_cap & IXGBE_FEATURE_EEE)) 5854 return (EINVAL); 5855 5856 /* Bounds checking */ 5857 if ((new_eee < 0) || (new_eee > 1)) 5858 return (EINVAL); 5859 5860 retval = ixgbe_setup_eee(&adapter->hw, new_eee); 5861 if (retval) { 5862 device_printf(dev, "Error in EEE setup: 0x%08X\n", retval); 5863 return (EINVAL); 5864 } 5865 5866 /* Restart auto-neg */ 5867 ifp->if_init(ifp); 5868 5869 device_printf(dev, "New EEE state: %d\n", new_eee); 5870 5871 /* Cache new value */ 5872 if (new_eee) 5873 adapter->feat_en |= IXGBE_FEATURE_EEE; 5874 else 5875 adapter->feat_en &= ~IXGBE_FEATURE_EEE; 5876 5877 return (error); 5878 } /* ixgbe_sysctl_eee_state */ 5879 5880 #define PRINTQS(adapter, regname) \ 5881 do { \ 5882 struct ixgbe_hw *_hw = &(adapter)->hw; \ 5883 int _i; \ 5884 \ 5885 printf("%s: %s", device_xname((adapter)->dev), #regname); \ 5886 for (_i = 0; _i < (adapter)->num_queues; _i++) { \ 5887 printf((_i == 0) ? "\t" : " "); \ 5888 printf("%08x", IXGBE_READ_REG(_hw, \ 5889 IXGBE_##regname(_i))); \ 5890 } \ 5891 printf("\n"); \ 5892 } while (0) 5893 5894 /************************************************************************ 5895 * ixgbe_print_debug_info 5896 * 5897 * Called only when em_display_debug_stats is enabled. 5898 * Provides a way to take a look at important statistics 5899 * maintained by the driver and hardware. 5900 ************************************************************************/ 5901 static void 5902 ixgbe_print_debug_info(struct adapter *adapter) 5903 { 5904 device_t dev = adapter->dev; 5905 struct ixgbe_hw *hw = &adapter->hw; 5906 int table_size; 5907 int i; 5908 5909 switch (adapter->hw.mac.type) { 5910 case ixgbe_mac_X550: 5911 case ixgbe_mac_X550EM_x: 5912 case ixgbe_mac_X550EM_a: 5913 table_size = 128; 5914 break; 5915 default: 5916 table_size = 32; 5917 break; 5918 } 5919 5920 device_printf(dev, "[E]RETA:\n"); 5921 for (i = 0; i < table_size; i++) { 5922 if (i < 32) 5923 printf("%02x: %08x\n", i, IXGBE_READ_REG(hw, 5924 IXGBE_RETA(i))); 5925 else 5926 printf("%02x: %08x\n", i, IXGBE_READ_REG(hw, 5927 IXGBE_ERETA(i - 32))); 5928 } 5929 5930 device_printf(dev, "queue:"); 5931 for (i = 0; i < adapter->num_queues; i++) { 5932 printf((i == 0) ? "\t" : " "); 5933 printf("%8d", i); 5934 } 5935 printf("\n"); 5936 PRINTQS(adapter, RDBAL); 5937 PRINTQS(adapter, RDBAH); 5938 PRINTQS(adapter, RDLEN); 5939 PRINTQS(adapter, SRRCTL); 5940 PRINTQS(adapter, RDH); 5941 PRINTQS(adapter, RDT); 5942 PRINTQS(adapter, RXDCTL); 5943 5944 device_printf(dev, "RQSMR:"); 5945 for (i = 0; i < adapter->num_queues / 4; i++) { 5946 printf((i == 0) ? "\t" : " "); 5947 printf("%08x", IXGBE_READ_REG(hw, IXGBE_RQSMR(i))); 5948 } 5949 printf("\n"); 5950 5951 device_printf(dev, "disabled_count:"); 5952 for (i = 0; i < adapter->num_queues; i++) { 5953 printf((i == 0) ? "\t" : " "); 5954 printf("%8d", adapter->queues[i].disabled_count); 5955 } 5956 printf("\n"); 5957 5958 device_printf(dev, "EIMS:\t%08x\n", IXGBE_READ_REG(hw, IXGBE_EIMS)); 5959 if (hw->mac.type != ixgbe_mac_82598EB) { 5960 device_printf(dev, "EIMS_EX(0):\t%08x\n", 5961 IXGBE_READ_REG(hw, IXGBE_EIMS_EX(0))); 5962 device_printf(dev, "EIMS_EX(1):\t%08x\n", 5963 IXGBE_READ_REG(hw, IXGBE_EIMS_EX(1))); 5964 } 5965 } /* ixgbe_print_debug_info */ 5966 5967 /************************************************************************ 5968 * ixgbe_sysctl_debug 5969 ************************************************************************/ 5970 static int 5971 ixgbe_sysctl_debug(SYSCTLFN_ARGS) 5972 { 5973 struct sysctlnode node = *rnode; 5974 struct adapter *adapter = (struct adapter *)node.sysctl_data; 5975 int error, result = 0; 5976 5977 if (ixgbe_fw_recovery_mode_swflag(adapter)) 5978 return (EPERM); 5979 5980 node.sysctl_data = &result; 5981 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 5982 5983 if (error || newp == NULL) 5984 return error; 5985 5986 if (result == 1) 5987 ixgbe_print_debug_info(adapter); 5988 5989 return 0; 5990 } /* ixgbe_sysctl_debug */ 5991 5992 /************************************************************************ 5993 * ixgbe_init_device_features 5994 ************************************************************************/ 5995 static void 5996 ixgbe_init_device_features(struct adapter *adapter) 5997 { 5998 adapter->feat_cap = IXGBE_FEATURE_NETMAP 5999 | IXGBE_FEATURE_RSS 6000 | IXGBE_FEATURE_MSI 6001 | IXGBE_FEATURE_MSIX 6002 | IXGBE_FEATURE_LEGACY_IRQ 6003 | IXGBE_FEATURE_LEGACY_TX; 6004 6005 /* Set capabilities first... */ 6006 switch (adapter->hw.mac.type) { 6007 case ixgbe_mac_82598EB: 6008 if (adapter->hw.device_id == IXGBE_DEV_ID_82598AT) 6009 adapter->feat_cap |= IXGBE_FEATURE_FAN_FAIL; 6010 break; 6011 case ixgbe_mac_X540: 6012 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 6013 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 6014 if ((adapter->hw.device_id == IXGBE_DEV_ID_X540_BYPASS) && 6015 (adapter->hw.bus.func == 0)) 6016 adapter->feat_cap |= IXGBE_FEATURE_BYPASS; 6017 break; 6018 case ixgbe_mac_X550: 6019 /* 6020 * IXGBE_FEATURE_RECOVERY_MODE will be set after reading 6021 * NVM Image version. 6022 */ 6023 adapter->feat_cap |= IXGBE_FEATURE_TEMP_SENSOR; 6024 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 6025 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 6026 break; 6027 case ixgbe_mac_X550EM_x: 6028 /* 6029 * IXGBE_FEATURE_RECOVERY_MODE will be set after reading 6030 * NVM Image version. 6031 */ 6032 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 6033 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 6034 break; 6035 case ixgbe_mac_X550EM_a: 6036 /* 6037 * IXGBE_FEATURE_RECOVERY_MODE will be set after reading 6038 * NVM Image version. 6039 */ 6040 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 6041 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 6042 adapter->feat_cap &= ~IXGBE_FEATURE_LEGACY_IRQ; 6043 if ((adapter->hw.device_id == IXGBE_DEV_ID_X550EM_A_1G_T) || 6044 (adapter->hw.device_id == IXGBE_DEV_ID_X550EM_A_1G_T_L)) { 6045 adapter->feat_cap |= IXGBE_FEATURE_TEMP_SENSOR; 6046 adapter->feat_cap |= IXGBE_FEATURE_EEE; 6047 } 6048 break; 6049 case ixgbe_mac_82599EB: 6050 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 6051 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 6052 if ((adapter->hw.device_id == IXGBE_DEV_ID_82599_BYPASS) && 6053 (adapter->hw.bus.func == 0)) 6054 adapter->feat_cap |= IXGBE_FEATURE_BYPASS; 6055 if (adapter->hw.device_id == IXGBE_DEV_ID_82599_QSFP_SF_QP) 6056 adapter->feat_cap &= ~IXGBE_FEATURE_LEGACY_IRQ; 6057 break; 6058 default: 6059 break; 6060 } 6061 6062 /* Enabled by default... */ 6063 /* Fan failure detection */ 6064 if (adapter->feat_cap & IXGBE_FEATURE_FAN_FAIL) 6065 adapter->feat_en |= IXGBE_FEATURE_FAN_FAIL; 6066 /* Netmap */ 6067 if (adapter->feat_cap & IXGBE_FEATURE_NETMAP) 6068 adapter->feat_en |= IXGBE_FEATURE_NETMAP; 6069 /* EEE */ 6070 if (adapter->feat_cap & IXGBE_FEATURE_EEE) 6071 adapter->feat_en |= IXGBE_FEATURE_EEE; 6072 /* Thermal Sensor */ 6073 if (adapter->feat_cap & IXGBE_FEATURE_TEMP_SENSOR) 6074 adapter->feat_en |= IXGBE_FEATURE_TEMP_SENSOR; 6075 /* 6076 * Recovery mode: 6077 * NetBSD: IXGBE_FEATURE_RECOVERY_MODE will be controlled after reading 6078 * NVM Image version. 6079 */ 6080 6081 /* Enabled via global sysctl... */ 6082 /* Flow Director */ 6083 if (ixgbe_enable_fdir) { 6084 if (adapter->feat_cap & IXGBE_FEATURE_FDIR) 6085 adapter->feat_en |= IXGBE_FEATURE_FDIR; 6086 else 6087 device_printf(adapter->dev, "Device does not support Flow Director. Leaving disabled."); 6088 } 6089 /* Legacy (single queue) transmit */ 6090 if ((adapter->feat_cap & IXGBE_FEATURE_LEGACY_TX) && 6091 ixgbe_enable_legacy_tx) 6092 adapter->feat_en |= IXGBE_FEATURE_LEGACY_TX; 6093 /* 6094 * Message Signal Interrupts - Extended (MSI-X) 6095 * Normal MSI is only enabled if MSI-X calls fail. 6096 */ 6097 if (!ixgbe_enable_msix) 6098 adapter->feat_cap &= ~IXGBE_FEATURE_MSIX; 6099 /* Receive-Side Scaling (RSS) */ 6100 if ((adapter->feat_cap & IXGBE_FEATURE_RSS) && ixgbe_enable_rss) 6101 adapter->feat_en |= IXGBE_FEATURE_RSS; 6102 6103 /* Disable features with unmet dependencies... */ 6104 /* No MSI-X */ 6105 if (!(adapter->feat_cap & IXGBE_FEATURE_MSIX)) { 6106 adapter->feat_cap &= ~IXGBE_FEATURE_RSS; 6107 adapter->feat_cap &= ~IXGBE_FEATURE_SRIOV; 6108 adapter->feat_en &= ~IXGBE_FEATURE_RSS; 6109 adapter->feat_en &= ~IXGBE_FEATURE_SRIOV; 6110 } 6111 } /* ixgbe_init_device_features */ 6112 6113 /************************************************************************ 6114 * ixgbe_probe - Device identification routine 6115 * 6116 * Determines if the driver should be loaded on 6117 * adapter based on its PCI vendor/device ID. 6118 * 6119 * return BUS_PROBE_DEFAULT on success, positive on failure 6120 ************************************************************************/ 6121 static int 6122 ixgbe_probe(device_t dev, cfdata_t cf, void *aux) 6123 { 6124 const struct pci_attach_args *pa = aux; 6125 6126 return (ixgbe_lookup(pa) != NULL) ? 1 : 0; 6127 } 6128 6129 static const ixgbe_vendor_info_t * 6130 ixgbe_lookup(const struct pci_attach_args *pa) 6131 { 6132 const ixgbe_vendor_info_t *ent; 6133 pcireg_t subid; 6134 6135 INIT_DEBUGOUT("ixgbe_lookup: begin"); 6136 6137 if (PCI_VENDOR(pa->pa_id) != IXGBE_INTEL_VENDOR_ID) 6138 return NULL; 6139 6140 subid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG); 6141 6142 for (ent = ixgbe_vendor_info_array; ent->vendor_id != 0; ent++) { 6143 if ((PCI_VENDOR(pa->pa_id) == ent->vendor_id) && 6144 (PCI_PRODUCT(pa->pa_id) == ent->device_id) && 6145 ((PCI_SUBSYS_VENDOR(subid) == ent->subvendor_id) || 6146 (ent->subvendor_id == 0)) && 6147 ((PCI_SUBSYS_ID(subid) == ent->subdevice_id) || 6148 (ent->subdevice_id == 0))) { 6149 return ent; 6150 } 6151 } 6152 return NULL; 6153 } 6154 6155 static int 6156 ixgbe_ifflags_cb(struct ethercom *ec) 6157 { 6158 struct ifnet *ifp = &ec->ec_if; 6159 struct adapter *adapter = ifp->if_softc; 6160 u_short change; 6161 int rv = 0; 6162 6163 IXGBE_CORE_LOCK(adapter); 6164 6165 change = ifp->if_flags ^ adapter->if_flags; 6166 if (change != 0) 6167 adapter->if_flags = ifp->if_flags; 6168 6169 if ((change & ~(IFF_CANTCHANGE | IFF_DEBUG)) != 0) { 6170 rv = ENETRESET; 6171 goto out; 6172 } else if ((change & IFF_PROMISC) != 0) 6173 ixgbe_set_rxfilter(adapter); 6174 6175 /* Check for ec_capenable. */ 6176 change = ec->ec_capenable ^ adapter->ec_capenable; 6177 adapter->ec_capenable = ec->ec_capenable; 6178 if ((change & ~(ETHERCAP_VLAN_MTU | ETHERCAP_VLAN_HWTAGGING 6179 | ETHERCAP_VLAN_HWFILTER)) != 0) { 6180 rv = ENETRESET; 6181 goto out; 6182 } 6183 6184 /* 6185 * Special handling is not required for ETHERCAP_VLAN_MTU. 6186 * MAXFRS(MHADD) does not include the 4bytes of the VLAN header. 6187 */ 6188 6189 /* Set up VLAN support and filter */ 6190 if ((change & (ETHERCAP_VLAN_HWTAGGING | ETHERCAP_VLAN_HWFILTER)) != 0) 6191 ixgbe_setup_vlan_hw_support(adapter); 6192 6193 out: 6194 IXGBE_CORE_UNLOCK(adapter); 6195 6196 return rv; 6197 } 6198 6199 /************************************************************************ 6200 * ixgbe_ioctl - Ioctl entry point 6201 * 6202 * Called when the user wants to configure the interface. 6203 * 6204 * return 0 on success, positive on failure 6205 ************************************************************************/ 6206 static int 6207 ixgbe_ioctl(struct ifnet * ifp, u_long command, void *data) 6208 { 6209 struct adapter *adapter = ifp->if_softc; 6210 struct ixgbe_hw *hw = &adapter->hw; 6211 struct ifcapreq *ifcr = data; 6212 struct ifreq *ifr = data; 6213 int error = 0; 6214 int l4csum_en; 6215 const int l4csum = IFCAP_CSUM_TCPv4_Rx | IFCAP_CSUM_UDPv4_Rx | 6216 IFCAP_CSUM_TCPv6_Rx | IFCAP_CSUM_UDPv6_Rx; 6217 6218 if (ixgbe_fw_recovery_mode_swflag(adapter)) 6219 return (EPERM); 6220 6221 switch (command) { 6222 case SIOCSIFFLAGS: 6223 IOCTL_DEBUGOUT("ioctl: SIOCSIFFLAGS (Set Interface Flags)"); 6224 break; 6225 case SIOCADDMULTI: 6226 case SIOCDELMULTI: 6227 IOCTL_DEBUGOUT("ioctl: SIOC(ADD|DEL)MULTI"); 6228 break; 6229 case SIOCSIFMEDIA: 6230 case SIOCGIFMEDIA: 6231 IOCTL_DEBUGOUT("ioctl: SIOCxIFMEDIA (Get/Set Interface Media)"); 6232 break; 6233 case SIOCSIFCAP: 6234 IOCTL_DEBUGOUT("ioctl: SIOCSIFCAP (Set Capabilities)"); 6235 break; 6236 case SIOCSIFMTU: 6237 IOCTL_DEBUGOUT("ioctl: SIOCSIFMTU (Set Interface MTU)"); 6238 break; 6239 #ifdef __NetBSD__ 6240 case SIOCINITIFADDR: 6241 IOCTL_DEBUGOUT("ioctl: SIOCINITIFADDR"); 6242 break; 6243 case SIOCGIFFLAGS: 6244 IOCTL_DEBUGOUT("ioctl: SIOCGIFFLAGS"); 6245 break; 6246 case SIOCGIFAFLAG_IN: 6247 IOCTL_DEBUGOUT("ioctl: SIOCGIFAFLAG_IN"); 6248 break; 6249 case SIOCGIFADDR: 6250 IOCTL_DEBUGOUT("ioctl: SIOCGIFADDR"); 6251 break; 6252 case SIOCGIFMTU: 6253 IOCTL_DEBUGOUT("ioctl: SIOCGIFMTU (Get Interface MTU)"); 6254 break; 6255 case SIOCGIFCAP: 6256 IOCTL_DEBUGOUT("ioctl: SIOCGIFCAP (Get IF cap)"); 6257 break; 6258 case SIOCGETHERCAP: 6259 IOCTL_DEBUGOUT("ioctl: SIOCGETHERCAP (Get ethercap)"); 6260 break; 6261 case SIOCGLIFADDR: 6262 IOCTL_DEBUGOUT("ioctl: SIOCGLIFADDR (Get Interface addr)"); 6263 break; 6264 case SIOCZIFDATA: 6265 IOCTL_DEBUGOUT("ioctl: SIOCZIFDATA (Zero counter)"); 6266 hw->mac.ops.clear_hw_cntrs(hw); 6267 ixgbe_clear_evcnt(adapter); 6268 break; 6269 case SIOCAIFADDR: 6270 IOCTL_DEBUGOUT("ioctl: SIOCAIFADDR (add/chg IF alias)"); 6271 break; 6272 #endif 6273 default: 6274 IOCTL_DEBUGOUT1("ioctl: UNKNOWN (0x%X)", (int)command); 6275 break; 6276 } 6277 6278 switch (command) { 6279 case SIOCGI2C: 6280 { 6281 struct ixgbe_i2c_req i2c; 6282 6283 IOCTL_DEBUGOUT("ioctl: SIOCGI2C (Get I2C Data)"); 6284 error = copyin(ifr->ifr_data, &i2c, sizeof(i2c)); 6285 if (error != 0) 6286 break; 6287 if (i2c.dev_addr != 0xA0 && i2c.dev_addr != 0xA2) { 6288 error = EINVAL; 6289 break; 6290 } 6291 if (i2c.len > sizeof(i2c.data)) { 6292 error = EINVAL; 6293 break; 6294 } 6295 6296 hw->phy.ops.read_i2c_byte(hw, i2c.offset, 6297 i2c.dev_addr, i2c.data); 6298 error = copyout(&i2c, ifr->ifr_data, sizeof(i2c)); 6299 break; 6300 } 6301 case SIOCSIFCAP: 6302 /* Layer-4 Rx checksum offload has to be turned on and 6303 * off as a unit. 6304 */ 6305 l4csum_en = ifcr->ifcr_capenable & l4csum; 6306 if (l4csum_en != l4csum && l4csum_en != 0) 6307 return EINVAL; 6308 /*FALLTHROUGH*/ 6309 case SIOCADDMULTI: 6310 case SIOCDELMULTI: 6311 case SIOCSIFFLAGS: 6312 case SIOCSIFMTU: 6313 default: 6314 if ((error = ether_ioctl(ifp, command, data)) != ENETRESET) 6315 return error; 6316 if ((ifp->if_flags & IFF_RUNNING) == 0) 6317 ; 6318 else if (command == SIOCSIFCAP || command == SIOCSIFMTU) { 6319 IXGBE_CORE_LOCK(adapter); 6320 if ((ifp->if_flags & IFF_RUNNING) != 0) 6321 ixgbe_init_locked(adapter); 6322 ixgbe_recalculate_max_frame(adapter); 6323 IXGBE_CORE_UNLOCK(adapter); 6324 } else if (command == SIOCADDMULTI || command == SIOCDELMULTI) { 6325 /* 6326 * Multicast list has changed; set the hardware filter 6327 * accordingly. 6328 */ 6329 IXGBE_CORE_LOCK(adapter); 6330 ixgbe_disable_intr(adapter); 6331 ixgbe_set_rxfilter(adapter); 6332 ixgbe_enable_intr(adapter); 6333 IXGBE_CORE_UNLOCK(adapter); 6334 } 6335 return 0; 6336 } 6337 6338 return error; 6339 } /* ixgbe_ioctl */ 6340 6341 /************************************************************************ 6342 * ixgbe_check_fan_failure 6343 ************************************************************************/ 6344 static void 6345 ixgbe_check_fan_failure(struct adapter *adapter, u32 reg, bool in_interrupt) 6346 { 6347 u32 mask; 6348 6349 mask = (in_interrupt) ? IXGBE_EICR_GPI_SDP1_BY_MAC(&adapter->hw) : 6350 IXGBE_ESDP_SDP1; 6351 6352 if (reg & mask) 6353 device_printf(adapter->dev, "\nCRITICAL: FAN FAILURE!! REPLACE IMMEDIATELY!!\n"); 6354 } /* ixgbe_check_fan_failure */ 6355 6356 /************************************************************************ 6357 * ixgbe_handle_que 6358 ************************************************************************/ 6359 static void 6360 ixgbe_handle_que(void *context) 6361 { 6362 struct ix_queue *que = context; 6363 struct adapter *adapter = que->adapter; 6364 struct tx_ring *txr = que->txr; 6365 struct ifnet *ifp = adapter->ifp; 6366 bool more = false; 6367 6368 que->handleq.ev_count++; 6369 6370 if (ifp->if_flags & IFF_RUNNING) { 6371 more = ixgbe_rxeof(que); 6372 IXGBE_TX_LOCK(txr); 6373 more |= ixgbe_txeof(txr); 6374 if (!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX)) 6375 if (!ixgbe_mq_ring_empty(ifp, txr->txr_interq)) 6376 ixgbe_mq_start_locked(ifp, txr); 6377 /* Only for queue 0 */ 6378 /* NetBSD still needs this for CBQ */ 6379 if ((&adapter->queues[0] == que) 6380 && (!ixgbe_legacy_ring_empty(ifp, NULL))) 6381 ixgbe_legacy_start_locked(ifp, txr); 6382 IXGBE_TX_UNLOCK(txr); 6383 } 6384 6385 if (more) { 6386 que->req.ev_count++; 6387 ixgbe_sched_handle_que(adapter, que); 6388 } else if (que->res != NULL) { 6389 /* Re-enable this interrupt */ 6390 ixgbe_enable_queue(adapter, que->msix); 6391 } else 6392 ixgbe_enable_intr(adapter); 6393 6394 return; 6395 } /* ixgbe_handle_que */ 6396 6397 /************************************************************************ 6398 * ixgbe_handle_que_work 6399 ************************************************************************/ 6400 static void 6401 ixgbe_handle_que_work(struct work *wk, void *context) 6402 { 6403 struct ix_queue *que = container_of(wk, struct ix_queue, wq_cookie); 6404 6405 /* 6406 * "enqueued flag" is not required here. 6407 * See ixgbe_msix_que(). 6408 */ 6409 ixgbe_handle_que(que); 6410 } 6411 6412 /************************************************************************ 6413 * ixgbe_allocate_legacy - Setup the Legacy or MSI Interrupt handler 6414 ************************************************************************/ 6415 static int 6416 ixgbe_allocate_legacy(struct adapter *adapter, 6417 const struct pci_attach_args *pa) 6418 { 6419 device_t dev = adapter->dev; 6420 struct ix_queue *que = adapter->queues; 6421 struct tx_ring *txr = adapter->tx_rings; 6422 int counts[PCI_INTR_TYPE_SIZE]; 6423 pci_intr_type_t intr_type, max_type; 6424 char intrbuf[PCI_INTRSTR_LEN]; 6425 char wqname[MAXCOMLEN]; 6426 const char *intrstr = NULL; 6427 int defertx_error = 0, error; 6428 6429 /* We allocate a single interrupt resource */ 6430 max_type = PCI_INTR_TYPE_MSI; 6431 counts[PCI_INTR_TYPE_MSIX] = 0; 6432 counts[PCI_INTR_TYPE_MSI] = 6433 (adapter->feat_en & IXGBE_FEATURE_MSI) ? 1 : 0; 6434 /* Check not feat_en but feat_cap to fallback to INTx */ 6435 counts[PCI_INTR_TYPE_INTX] = 6436 (adapter->feat_cap & IXGBE_FEATURE_LEGACY_IRQ) ? 1 : 0; 6437 6438 alloc_retry: 6439 if (pci_intr_alloc(pa, &adapter->osdep.intrs, counts, max_type) != 0) { 6440 aprint_error_dev(dev, "couldn't alloc interrupt\n"); 6441 return ENXIO; 6442 } 6443 adapter->osdep.nintrs = 1; 6444 intrstr = pci_intr_string(adapter->osdep.pc, adapter->osdep.intrs[0], 6445 intrbuf, sizeof(intrbuf)); 6446 adapter->osdep.ihs[0] = pci_intr_establish_xname(adapter->osdep.pc, 6447 adapter->osdep.intrs[0], IPL_NET, ixgbe_legacy_irq, que, 6448 device_xname(dev)); 6449 intr_type = pci_intr_type(adapter->osdep.pc, adapter->osdep.intrs[0]); 6450 if (adapter->osdep.ihs[0] == NULL) { 6451 aprint_error_dev(dev,"unable to establish %s\n", 6452 (intr_type == PCI_INTR_TYPE_MSI) ? "MSI" : "INTx"); 6453 pci_intr_release(adapter->osdep.pc, adapter->osdep.intrs, 1); 6454 adapter->osdep.intrs = NULL; 6455 switch (intr_type) { 6456 case PCI_INTR_TYPE_MSI: 6457 /* The next try is for INTx: Disable MSI */ 6458 max_type = PCI_INTR_TYPE_INTX; 6459 counts[PCI_INTR_TYPE_INTX] = 1; 6460 adapter->feat_en &= ~IXGBE_FEATURE_MSI; 6461 if (adapter->feat_cap & IXGBE_FEATURE_LEGACY_IRQ) { 6462 adapter->feat_en |= IXGBE_FEATURE_LEGACY_IRQ; 6463 goto alloc_retry; 6464 } else 6465 break; 6466 case PCI_INTR_TYPE_INTX: 6467 default: 6468 /* See below */ 6469 break; 6470 } 6471 } 6472 if (intr_type == PCI_INTR_TYPE_INTX) { 6473 adapter->feat_en &= ~IXGBE_FEATURE_MSI; 6474 adapter->feat_en |= IXGBE_FEATURE_LEGACY_IRQ; 6475 } 6476 if (adapter->osdep.ihs[0] == NULL) { 6477 aprint_error_dev(dev, 6478 "couldn't establish interrupt%s%s\n", 6479 intrstr ? " at " : "", intrstr ? intrstr : ""); 6480 pci_intr_release(adapter->osdep.pc, adapter->osdep.intrs, 1); 6481 adapter->osdep.intrs = NULL; 6482 return ENXIO; 6483 } 6484 aprint_normal_dev(dev, "interrupting at %s\n", intrstr); 6485 /* 6486 * Try allocating a fast interrupt and the associated deferred 6487 * processing contexts. 6488 */ 6489 if (!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX)) { 6490 txr->txr_si = 6491 softint_establish(SOFTINT_NET | IXGBE_SOFTINFT_FLAGS, 6492 ixgbe_deferred_mq_start, txr); 6493 6494 snprintf(wqname, sizeof(wqname), "%sdeferTx", device_xname(dev)); 6495 defertx_error = workqueue_create(&adapter->txr_wq, wqname, 6496 ixgbe_deferred_mq_start_work, adapter, IXGBE_WORKQUEUE_PRI, 6497 IPL_NET, IXGBE_WORKQUEUE_FLAGS); 6498 adapter->txr_wq_enqueued = percpu_alloc(sizeof(u_int)); 6499 } 6500 que->que_si = softint_establish(SOFTINT_NET | IXGBE_SOFTINFT_FLAGS, 6501 ixgbe_handle_que, que); 6502 snprintf(wqname, sizeof(wqname), "%sTxRx", device_xname(dev)); 6503 error = workqueue_create(&adapter->que_wq, wqname, 6504 ixgbe_handle_que_work, adapter, IXGBE_WORKQUEUE_PRI, IPL_NET, 6505 IXGBE_WORKQUEUE_FLAGS); 6506 6507 if ((!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX) 6508 && ((txr->txr_si == NULL) || defertx_error != 0)) 6509 || (que->que_si == NULL) || error != 0) { 6510 aprint_error_dev(dev, 6511 "could not establish software interrupts\n"); 6512 6513 return ENXIO; 6514 } 6515 /* For simplicity in the handlers */ 6516 adapter->active_queues = IXGBE_EIMS_ENABLE_MASK; 6517 6518 return (0); 6519 } /* ixgbe_allocate_legacy */ 6520 6521 /************************************************************************ 6522 * ixgbe_allocate_msix - Setup MSI-X Interrupt resources and handlers 6523 ************************************************************************/ 6524 static int 6525 ixgbe_allocate_msix(struct adapter *adapter, const struct pci_attach_args *pa) 6526 { 6527 device_t dev = adapter->dev; 6528 struct ix_queue *que = adapter->queues; 6529 struct tx_ring *txr = adapter->tx_rings; 6530 pci_chipset_tag_t pc; 6531 char intrbuf[PCI_INTRSTR_LEN]; 6532 char intr_xname[32]; 6533 char wqname[MAXCOMLEN]; 6534 const char *intrstr = NULL; 6535 int error, vector = 0; 6536 int cpu_id = 0; 6537 kcpuset_t *affinity; 6538 #ifdef RSS 6539 unsigned int rss_buckets = 0; 6540 kcpuset_t cpu_mask; 6541 #endif 6542 6543 pc = adapter->osdep.pc; 6544 #ifdef RSS 6545 /* 6546 * If we're doing RSS, the number of queues needs to 6547 * match the number of RSS buckets that are configured. 6548 * 6549 * + If there's more queues than RSS buckets, we'll end 6550 * up with queues that get no traffic. 6551 * 6552 * + If there's more RSS buckets than queues, we'll end 6553 * up having multiple RSS buckets map to the same queue, 6554 * so there'll be some contention. 6555 */ 6556 rss_buckets = rss_getnumbuckets(); 6557 if ((adapter->feat_en & IXGBE_FEATURE_RSS) && 6558 (adapter->num_queues != rss_buckets)) { 6559 device_printf(dev, 6560 "%s: number of queues (%d) != number of RSS buckets (%d)" 6561 "; performance will be impacted.\n", 6562 __func__, adapter->num_queues, rss_buckets); 6563 } 6564 #endif 6565 6566 adapter->osdep.nintrs = adapter->num_queues + 1; 6567 if (pci_msix_alloc_exact(pa, &adapter->osdep.intrs, 6568 adapter->osdep.nintrs) != 0) { 6569 aprint_error_dev(dev, 6570 "failed to allocate MSI-X interrupt\n"); 6571 return (ENXIO); 6572 } 6573 6574 kcpuset_create(&affinity, false); 6575 for (int i = 0; i < adapter->num_queues; i++, vector++, que++, txr++) { 6576 snprintf(intr_xname, sizeof(intr_xname), "%s TXRX%d", 6577 device_xname(dev), i); 6578 intrstr = pci_intr_string(pc, adapter->osdep.intrs[i], intrbuf, 6579 sizeof(intrbuf)); 6580 #ifdef IXGBE_MPSAFE 6581 pci_intr_setattr(pc, &adapter->osdep.intrs[i], PCI_INTR_MPSAFE, 6582 true); 6583 #endif 6584 /* Set the handler function */ 6585 que->res = adapter->osdep.ihs[i] = pci_intr_establish_xname(pc, 6586 adapter->osdep.intrs[i], IPL_NET, ixgbe_msix_que, que, 6587 intr_xname); 6588 if (que->res == NULL) { 6589 aprint_error_dev(dev, 6590 "Failed to register QUE handler\n"); 6591 error = ENXIO; 6592 goto err_out; 6593 } 6594 que->msix = vector; 6595 adapter->active_queues |= 1ULL << que->msix; 6596 6597 if (adapter->feat_en & IXGBE_FEATURE_RSS) { 6598 #ifdef RSS 6599 /* 6600 * The queue ID is used as the RSS layer bucket ID. 6601 * We look up the queue ID -> RSS CPU ID and select 6602 * that. 6603 */ 6604 cpu_id = rss_getcpu(i % rss_getnumbuckets()); 6605 CPU_SETOF(cpu_id, &cpu_mask); 6606 #endif 6607 } else { 6608 /* 6609 * Bind the MSI-X vector, and thus the 6610 * rings to the corresponding CPU. 6611 * 6612 * This just happens to match the default RSS 6613 * round-robin bucket -> queue -> CPU allocation. 6614 */ 6615 if (adapter->num_queues > 1) 6616 cpu_id = i; 6617 } 6618 /* Round-robin affinity */ 6619 kcpuset_zero(affinity); 6620 kcpuset_set(affinity, cpu_id % ncpu); 6621 error = interrupt_distribute(adapter->osdep.ihs[i], affinity, 6622 NULL); 6623 aprint_normal_dev(dev, "for TX/RX, interrupting at %s", 6624 intrstr); 6625 if (error == 0) { 6626 #if 1 /* def IXGBE_DEBUG */ 6627 #ifdef RSS 6628 aprintf_normal(", bound RSS bucket %d to CPU %d", i, 6629 cpu_id % ncpu); 6630 #else 6631 aprint_normal(", bound queue %d to cpu %d", i, 6632 cpu_id % ncpu); 6633 #endif 6634 #endif /* IXGBE_DEBUG */ 6635 } 6636 aprint_normal("\n"); 6637 6638 if (!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX)) { 6639 txr->txr_si = softint_establish( 6640 SOFTINT_NET | IXGBE_SOFTINFT_FLAGS, 6641 ixgbe_deferred_mq_start, txr); 6642 if (txr->txr_si == NULL) { 6643 aprint_error_dev(dev, 6644 "couldn't establish software interrupt\n"); 6645 error = ENXIO; 6646 goto err_out; 6647 } 6648 } 6649 que->que_si 6650 = softint_establish(SOFTINT_NET | IXGBE_SOFTINFT_FLAGS, 6651 ixgbe_handle_que, que); 6652 if (que->que_si == NULL) { 6653 aprint_error_dev(dev, 6654 "couldn't establish software interrupt\n"); 6655 error = ENXIO; 6656 goto err_out; 6657 } 6658 } 6659 snprintf(wqname, sizeof(wqname), "%sdeferTx", device_xname(dev)); 6660 error = workqueue_create(&adapter->txr_wq, wqname, 6661 ixgbe_deferred_mq_start_work, adapter, IXGBE_WORKQUEUE_PRI, IPL_NET, 6662 IXGBE_WORKQUEUE_FLAGS); 6663 if (error) { 6664 aprint_error_dev(dev, "couldn't create workqueue for deferred Tx\n"); 6665 goto err_out; 6666 } 6667 adapter->txr_wq_enqueued = percpu_alloc(sizeof(u_int)); 6668 6669 snprintf(wqname, sizeof(wqname), "%sTxRx", device_xname(dev)); 6670 error = workqueue_create(&adapter->que_wq, wqname, 6671 ixgbe_handle_que_work, adapter, IXGBE_WORKQUEUE_PRI, IPL_NET, 6672 IXGBE_WORKQUEUE_FLAGS); 6673 if (error) { 6674 aprint_error_dev(dev, "couldn't create workqueue for Tx/Rx\n"); 6675 goto err_out; 6676 } 6677 6678 /* and Link */ 6679 cpu_id++; 6680 snprintf(intr_xname, sizeof(intr_xname), "%s link", device_xname(dev)); 6681 adapter->vector = vector; 6682 intrstr = pci_intr_string(pc, adapter->osdep.intrs[vector], intrbuf, 6683 sizeof(intrbuf)); 6684 #ifdef IXGBE_MPSAFE 6685 pci_intr_setattr(pc, &adapter->osdep.intrs[vector], PCI_INTR_MPSAFE, 6686 true); 6687 #endif 6688 /* Set the link handler function */ 6689 adapter->osdep.ihs[vector] = pci_intr_establish_xname(pc, 6690 adapter->osdep.intrs[vector], IPL_NET, ixgbe_msix_link, adapter, 6691 intr_xname); 6692 if (adapter->osdep.ihs[vector] == NULL) { 6693 aprint_error_dev(dev, "Failed to register LINK handler\n"); 6694 error = ENXIO; 6695 goto err_out; 6696 } 6697 /* Round-robin affinity */ 6698 kcpuset_zero(affinity); 6699 kcpuset_set(affinity, cpu_id % ncpu); 6700 error = interrupt_distribute(adapter->osdep.ihs[vector], affinity, 6701 NULL); 6702 6703 aprint_normal_dev(dev, 6704 "for link, interrupting at %s", intrstr); 6705 if (error == 0) 6706 aprint_normal(", affinity to cpu %d\n", cpu_id % ncpu); 6707 else 6708 aprint_normal("\n"); 6709 6710 if (adapter->feat_cap & IXGBE_FEATURE_SRIOV) { 6711 adapter->mbx_si = 6712 softint_establish(SOFTINT_NET | IXGBE_SOFTINFT_FLAGS, 6713 ixgbe_handle_mbx, adapter); 6714 if (adapter->mbx_si == NULL) { 6715 aprint_error_dev(dev, 6716 "could not establish software interrupts\n"); 6717 6718 error = ENXIO; 6719 goto err_out; 6720 } 6721 } 6722 6723 kcpuset_destroy(affinity); 6724 aprint_normal_dev(dev, 6725 "Using MSI-X interrupts with %d vectors\n", vector + 1); 6726 6727 return (0); 6728 6729 err_out: 6730 kcpuset_destroy(affinity); 6731 ixgbe_free_softint(adapter); 6732 ixgbe_free_pciintr_resources(adapter); 6733 return (error); 6734 } /* ixgbe_allocate_msix */ 6735 6736 /************************************************************************ 6737 * ixgbe_configure_interrupts 6738 * 6739 * Setup MSI-X, MSI, or legacy interrupts (in that order). 6740 * This will also depend on user settings. 6741 ************************************************************************/ 6742 static int 6743 ixgbe_configure_interrupts(struct adapter *adapter) 6744 { 6745 device_t dev = adapter->dev; 6746 struct ixgbe_mac_info *mac = &adapter->hw.mac; 6747 int want, queues, msgs; 6748 6749 /* Default to 1 queue if MSI-X setup fails */ 6750 adapter->num_queues = 1; 6751 6752 /* Override by tuneable */ 6753 if (!(adapter->feat_cap & IXGBE_FEATURE_MSIX)) 6754 goto msi; 6755 6756 /* 6757 * NetBSD only: Use single vector MSI when number of CPU is 1 to save 6758 * interrupt slot. 6759 */ 6760 if (ncpu == 1) 6761 goto msi; 6762 6763 /* First try MSI-X */ 6764 msgs = pci_msix_count(adapter->osdep.pc, adapter->osdep.tag); 6765 msgs = MIN(msgs, IXG_MAX_NINTR); 6766 if (msgs < 2) 6767 goto msi; 6768 6769 adapter->msix_mem = (void *)1; /* XXX */ 6770 6771 /* Figure out a reasonable auto config value */ 6772 queues = (ncpu > (msgs - 1)) ? (msgs - 1) : ncpu; 6773 6774 #ifdef RSS 6775 /* If we're doing RSS, clamp at the number of RSS buckets */ 6776 if (adapter->feat_en & IXGBE_FEATURE_RSS) 6777 queues = uimin(queues, rss_getnumbuckets()); 6778 #endif 6779 if (ixgbe_num_queues > queues) { 6780 aprint_error_dev(adapter->dev, "ixgbe_num_queues (%d) is too large, using reduced amount (%d).\n", ixgbe_num_queues, queues); 6781 ixgbe_num_queues = queues; 6782 } 6783 6784 if (ixgbe_num_queues != 0) 6785 queues = ixgbe_num_queues; 6786 else 6787 queues = uimin(queues, 6788 uimin(mac->max_tx_queues, mac->max_rx_queues)); 6789 6790 /* reflect correct sysctl value */ 6791 ixgbe_num_queues = queues; 6792 6793 /* 6794 * Want one vector (RX/TX pair) per queue 6795 * plus an additional for Link. 6796 */ 6797 want = queues + 1; 6798 if (msgs >= want) 6799 msgs = want; 6800 else { 6801 aprint_error_dev(dev, "MSI-X Configuration Problem, " 6802 "%d vectors but %d queues wanted!\n", 6803 msgs, want); 6804 goto msi; 6805 } 6806 adapter->num_queues = queues; 6807 adapter->feat_en |= IXGBE_FEATURE_MSIX; 6808 return (0); 6809 6810 /* 6811 * MSI-X allocation failed or provided us with 6812 * less vectors than needed. Free MSI-X resources 6813 * and we'll try enabling MSI. 6814 */ 6815 msi: 6816 /* Without MSI-X, some features are no longer supported */ 6817 adapter->feat_cap &= ~IXGBE_FEATURE_RSS; 6818 adapter->feat_en &= ~IXGBE_FEATURE_RSS; 6819 adapter->feat_cap &= ~IXGBE_FEATURE_SRIOV; 6820 adapter->feat_en &= ~IXGBE_FEATURE_SRIOV; 6821 6822 msgs = pci_msi_count(adapter->osdep.pc, adapter->osdep.tag); 6823 adapter->msix_mem = NULL; /* XXX */ 6824 if (msgs > 1) 6825 msgs = 1; 6826 if (msgs != 0) { 6827 msgs = 1; 6828 adapter->feat_en |= IXGBE_FEATURE_MSI; 6829 return (0); 6830 } 6831 6832 if (!(adapter->feat_cap & IXGBE_FEATURE_LEGACY_IRQ)) { 6833 aprint_error_dev(dev, 6834 "Device does not support legacy interrupts.\n"); 6835 return 1; 6836 } 6837 6838 adapter->feat_en |= IXGBE_FEATURE_LEGACY_IRQ; 6839 6840 return (0); 6841 } /* ixgbe_configure_interrupts */ 6842 6843 6844 /************************************************************************ 6845 * ixgbe_handle_link - Tasklet for MSI-X Link interrupts 6846 * 6847 * Done outside of interrupt context since the driver might sleep 6848 ************************************************************************/ 6849 static void 6850 ixgbe_handle_link(void *context) 6851 { 6852 struct adapter *adapter = context; 6853 struct ixgbe_hw *hw = &adapter->hw; 6854 6855 IXGBE_CORE_LOCK(adapter); 6856 ++adapter->link_sicount.ev_count; 6857 ixgbe_check_link(hw, &adapter->link_speed, &adapter->link_up, 0); 6858 ixgbe_update_link_status(adapter); 6859 6860 /* Re-enable link interrupts */ 6861 IXGBE_WRITE_REG(hw, IXGBE_EIMS, IXGBE_EIMS_LSC); 6862 6863 IXGBE_CORE_UNLOCK(adapter); 6864 } /* ixgbe_handle_link */ 6865 6866 #if 0 6867 /************************************************************************ 6868 * ixgbe_rearm_queues 6869 ************************************************************************/ 6870 static __inline void 6871 ixgbe_rearm_queues(struct adapter *adapter, u64 queues) 6872 { 6873 u32 mask; 6874 6875 switch (adapter->hw.mac.type) { 6876 case ixgbe_mac_82598EB: 6877 mask = (IXGBE_EIMS_RTX_QUEUE & queues); 6878 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS, mask); 6879 break; 6880 case ixgbe_mac_82599EB: 6881 case ixgbe_mac_X540: 6882 case ixgbe_mac_X550: 6883 case ixgbe_mac_X550EM_x: 6884 case ixgbe_mac_X550EM_a: 6885 mask = (queues & 0xFFFFFFFF); 6886 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS_EX(0), mask); 6887 mask = (queues >> 32); 6888 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS_EX(1), mask); 6889 break; 6890 default: 6891 break; 6892 } 6893 } /* ixgbe_rearm_queues */ 6894 #endif 6895
Indexes created Tue Sep 30 17:09:57 GMT 2025