1 /****************************************************************************** 2 3 Copyright (c) 2013-2018, Intel Corporation 4 All rights reserved. 5 6 Redistribution and use in source and binary forms, with or without 7 modification, are permitted provided that the following conditions are met: 8 9 1. Redistributions of source code must retain the above copyright notice, 10 this list of conditions and the following disclaimer. 11 12 2. Redistributions in binary form must reproduce the above copyright 13 notice, this list of conditions and the following disclaimer in the 14 documentation and/or other materials provided with the distribution. 15 16 3. Neither the name of the Intel Corporation nor the names of its 17 contributors may be used to endorse or promote products derived from 18 this software without specific prior written permission. 19 20 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 21 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 24 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 POSSIBILITY OF SUCH DAMAGE. 31 32 ******************************************************************************/ 33 /*$FreeBSD$*/ 34 35 #include "ixl.h" 36 #include "ixl_pf.h" 37 38 #ifdef IXL_IW 39 #include "ixl_iw.h" 40 #include "ixl_iw_int.h" 41 #endif 42 43 #ifdef PCI_IOV 44 #include "ixl_pf_iov.h" 45 #endif 46 47 /********************************************************************* 48 * Driver version 49 *********************************************************************/ 50 #define IXL_DRIVER_VERSION_MAJOR 2 51 #define IXL_DRIVER_VERSION_MINOR 3 52 #define IXL_DRIVER_VERSION_BUILD 2 53 54 #define IXL_DRIVER_VERSION_STRING \ 55 __XSTRING(IXL_DRIVER_VERSION_MAJOR) "." \ 56 __XSTRING(IXL_DRIVER_VERSION_MINOR) "." \ 57 __XSTRING(IXL_DRIVER_VERSION_BUILD) "-k" 58 59 /********************************************************************* 60 * PCI Device ID Table 61 * 62 * Used by probe to select devices to load on 63 * 64 * ( Vendor ID, Device ID, Branding String ) 65 *********************************************************************/ 66 67 static pci_vendor_info_t ixl_vendor_info_array[] = 68 { 69 PVIDV(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_SFP_XL710, "Intel(R) Ethernet Controller X710 for 10GbE SFP+"), 70 PVIDV(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_KX_B, "Intel(R) Ethernet Controller XL710 for 40GbE backplane"), 71 PVIDV(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_KX_C, "Intel(R) Ethernet Controller X710 for 10GbE backplane"), 72 PVIDV(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_QSFP_A, "Intel(R) Ethernet Controller XL710 for 40GbE QSFP+"), 73 PVIDV(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_QSFP_B, "Intel(R) Ethernet Controller XL710 for 40GbE QSFP+"), 74 PVIDV(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_QSFP_C, "Intel(R) Ethernet Controller X710 for 10GbE QSFP+"), 75 PVIDV(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_10G_BASE_T, "Intel(R) Ethernet Controller X710 for 10GBASE-T"), 76 PVIDV(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_10G_BASE_T4, "Intel(R) Ethernet Controller X710/X557-AT 10GBASE-T"), 77 PVIDV(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_KX_X722, "Intel(R) Ethernet Connection X722 for 10GbE backplane"), 78 PVIDV(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_QSFP_X722, "Intel(R) Ethernet Connection X722 for 10GbE QSFP+"), 79 PVIDV(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_SFP_X722, "Intel(R) Ethernet Connection X722 for 10GbE SFP+"), 80 PVIDV(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_1G_BASE_T_X722, "Intel(R) Ethernet Connection X722 for 1GbE"), 81 PVIDV(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_10G_BASE_T_X722, "Intel(R) Ethernet Connection X722 for 10GBASE-T"), 82 PVIDV(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_SFP_I_X722, "Intel(R) Ethernet Connection X722 for 10GbE SFP+"), 83 PVIDV(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_25G_B, "Intel(R) Ethernet Controller XXV710 for 25GbE backplane"), 84 PVIDV(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_25G_SFP28, "Intel(R) Ethernet Controller XXV710 for 25GbE SFP28"), 85 PVIDV(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_10G_BASE_T_BC, "Intel(R) Ethernet Controller X710 for 10GBASE-T"), 86 PVIDV(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_10G_SFP, "Intel(R) Ethernet Controller X710 for 10GbE SFP+"), 87 PVIDV(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_10G_B, "Intel(R) Ethernet Controller X710 for 10GbE backplane"), 88 PVIDV(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_5G_BASE_T_BC, "Intel(R) Ethernet Controller V710 for 5GBASE-T"), 89 PVIDV(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_1G_BASE_T_BC, "Intel(R) Ethernet Controller I710 for 1GBASE-T"), 90 /* required last entry */ 91 PVID_END 92 }; 93 94 /********************************************************************* 95 * Function prototypes 96 *********************************************************************/ 97 /*** IFLIB interface ***/ 98 static void *ixl_register(device_t dev); 99 static int ixl_if_attach_pre(if_ctx_t ctx); 100 static int ixl_if_attach_post(if_ctx_t ctx); 101 static int ixl_if_detach(if_ctx_t ctx); 102 static int ixl_if_shutdown(if_ctx_t ctx); 103 static int ixl_if_suspend(if_ctx_t ctx); 104 static int ixl_if_resume(if_ctx_t ctx); 105 static int ixl_if_msix_intr_assign(if_ctx_t ctx, int msix); 106 static void ixl_if_enable_intr(if_ctx_t ctx); 107 static void ixl_if_disable_intr(if_ctx_t ctx); 108 static int ixl_if_rx_queue_intr_enable(if_ctx_t ctx, uint16_t rxqid); 109 static int ixl_if_tx_queue_intr_enable(if_ctx_t ctx, uint16_t txqid); 110 static int ixl_if_tx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs, uint64_t *paddrs, int ntxqs, int ntxqsets); 111 static int ixl_if_rx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs, uint64_t *paddrs, int nqs, int nqsets); 112 static void ixl_if_queues_free(if_ctx_t ctx); 113 static void ixl_if_update_admin_status(if_ctx_t ctx); 114 static void ixl_if_multi_set(if_ctx_t ctx); 115 static int ixl_if_mtu_set(if_ctx_t ctx, uint32_t mtu); 116 static void ixl_if_media_status(if_ctx_t ctx, struct ifmediareq *ifmr); 117 static int ixl_if_media_change(if_ctx_t ctx); 118 static int ixl_if_promisc_set(if_ctx_t ctx, int flags); 119 static void ixl_if_timer(if_ctx_t ctx, uint16_t qid); 120 static void ixl_if_vlan_register(if_ctx_t ctx, u16 vtag); 121 static void ixl_if_vlan_unregister(if_ctx_t ctx, u16 vtag); 122 static uint64_t ixl_if_get_counter(if_ctx_t ctx, ift_counter cnt); 123 static int ixl_if_i2c_req(if_ctx_t ctx, struct ifi2creq *req); 124 static int ixl_if_priv_ioctl(if_ctx_t ctx, u_long command, caddr_t data); 125 static bool ixl_if_needs_restart(if_ctx_t ctx, enum iflib_restart_event event); 126 #ifdef PCI_IOV 127 static void ixl_if_vflr_handle(if_ctx_t ctx); 128 #endif 129 130 /*** Other ***/ 131 static void ixl_save_pf_tunables(struct ixl_pf *); 132 static int ixl_allocate_pci_resources(struct ixl_pf *); 133 static void ixl_setup_ssctx(struct ixl_pf *pf); 134 static void ixl_admin_timer(void *arg); 135 136 /********************************************************************* 137 * FreeBSD Device Interface Entry Points 138 *********************************************************************/ 139 140 static device_method_t ixl_methods[] = { 141 /* Device interface */ 142 DEVMETHOD(device_register, ixl_register), 143 DEVMETHOD(device_probe, iflib_device_probe), 144 DEVMETHOD(device_attach, iflib_device_attach), 145 DEVMETHOD(device_detach, iflib_device_detach), 146 DEVMETHOD(device_shutdown, iflib_device_shutdown), 147 #ifdef PCI_IOV 148 DEVMETHOD(pci_iov_init, iflib_device_iov_init), 149 DEVMETHOD(pci_iov_uninit, iflib_device_iov_uninit), 150 DEVMETHOD(pci_iov_add_vf, iflib_device_iov_add_vf), 151 #endif 152 DEVMETHOD_END 153 }; 154 155 static driver_t ixl_driver = { 156 "ixl", ixl_methods, sizeof(struct ixl_pf), 157 }; 158 159 DRIVER_MODULE(ixl, pci, ixl_driver, 0, 0); 160 IFLIB_PNP_INFO(pci, ixl, ixl_vendor_info_array); 161 MODULE_VERSION(ixl, 3); 162 163 MODULE_DEPEND(ixl, pci, 1, 1, 1); 164 MODULE_DEPEND(ixl, ether, 1, 1, 1); 165 MODULE_DEPEND(ixl, iflib, 1, 1, 1); 166 167 static device_method_t ixl_if_methods[] = { 168 DEVMETHOD(ifdi_attach_pre, ixl_if_attach_pre), 169 DEVMETHOD(ifdi_attach_post, ixl_if_attach_post), 170 DEVMETHOD(ifdi_detach, ixl_if_detach), 171 DEVMETHOD(ifdi_shutdown, ixl_if_shutdown), 172 DEVMETHOD(ifdi_suspend, ixl_if_suspend), 173 DEVMETHOD(ifdi_resume, ixl_if_resume), 174 DEVMETHOD(ifdi_init, ixl_if_init), 175 DEVMETHOD(ifdi_stop, ixl_if_stop), 176 DEVMETHOD(ifdi_msix_intr_assign, ixl_if_msix_intr_assign), 177 DEVMETHOD(ifdi_intr_enable, ixl_if_enable_intr), 178 DEVMETHOD(ifdi_intr_disable, ixl_if_disable_intr), 179 DEVMETHOD(ifdi_rx_queue_intr_enable, ixl_if_rx_queue_intr_enable), 180 DEVMETHOD(ifdi_tx_queue_intr_enable, ixl_if_tx_queue_intr_enable), 181 DEVMETHOD(ifdi_tx_queues_alloc, ixl_if_tx_queues_alloc), 182 DEVMETHOD(ifdi_rx_queues_alloc, ixl_if_rx_queues_alloc), 183 DEVMETHOD(ifdi_queues_free, ixl_if_queues_free), 184 DEVMETHOD(ifdi_update_admin_status, ixl_if_update_admin_status), 185 DEVMETHOD(ifdi_multi_set, ixl_if_multi_set), 186 DEVMETHOD(ifdi_mtu_set, ixl_if_mtu_set), 187 DEVMETHOD(ifdi_media_status, ixl_if_media_status), 188 DEVMETHOD(ifdi_media_change, ixl_if_media_change), 189 DEVMETHOD(ifdi_promisc_set, ixl_if_promisc_set), 190 DEVMETHOD(ifdi_timer, ixl_if_timer), 191 DEVMETHOD(ifdi_vlan_register, ixl_if_vlan_register), 192 DEVMETHOD(ifdi_vlan_unregister, ixl_if_vlan_unregister), 193 DEVMETHOD(ifdi_get_counter, ixl_if_get_counter), 194 DEVMETHOD(ifdi_i2c_req, ixl_if_i2c_req), 195 DEVMETHOD(ifdi_priv_ioctl, ixl_if_priv_ioctl), 196 DEVMETHOD(ifdi_needs_restart, ixl_if_needs_restart), 197 #ifdef PCI_IOV 198 DEVMETHOD(ifdi_iov_init, ixl_if_iov_init), 199 DEVMETHOD(ifdi_iov_uninit, ixl_if_iov_uninit), 200 DEVMETHOD(ifdi_iov_vf_add, ixl_if_iov_vf_add), 201 DEVMETHOD(ifdi_vflr_handle, ixl_if_vflr_handle), 202 #endif 203 // ifdi_led_func 204 // ifdi_debug 205 DEVMETHOD_END 206 }; 207 208 static driver_t ixl_if_driver = { 209 "ixl_if", ixl_if_methods, sizeof(struct ixl_pf) 210 }; 211 212 /* 213 ** TUNEABLE PARAMETERS: 214 */ 215 216 static SYSCTL_NODE(_hw, OID_AUTO, ixl, CTLFLAG_RD | CTLFLAG_MPSAFE, 0, 217 "ixl driver parameters"); 218 219 #ifdef IXL_DEBUG_FC 220 /* 221 * Leave this on unless you need to send flow control 222 * frames (or other control frames) from software 223 */ 224 static int ixl_enable_tx_fc_filter = 1; 225 TUNABLE_INT("hw.ixl.enable_tx_fc_filter", 226 &ixl_enable_tx_fc_filter); 227 SYSCTL_INT(_hw_ixl, OID_AUTO, enable_tx_fc_filter, CTLFLAG_RDTUN, 228 &ixl_enable_tx_fc_filter, 0, 229 "Filter out packets with Ethertype 0x8808 from being sent out by non-HW sources"); 230 #endif 231 232 #ifdef IXL_DEBUG 233 static int ixl_debug_recovery_mode = 0; 234 TUNABLE_INT("hw.ixl.debug_recovery_mode", 235 &ixl_debug_recovery_mode); 236 SYSCTL_INT(_hw_ixl, OID_AUTO, debug_recovery_mode, CTLFLAG_RDTUN, 237 &ixl_debug_recovery_mode, 0, 238 "Act like when FW entered recovery mode (for debugging)"); 239 #endif 240 241 static int ixl_i2c_access_method = 0; 242 TUNABLE_INT("hw.ixl.i2c_access_method", 243 &ixl_i2c_access_method); 244 SYSCTL_INT(_hw_ixl, OID_AUTO, i2c_access_method, CTLFLAG_RDTUN, 245 &ixl_i2c_access_method, 0, 246 IXL_SYSCTL_HELP_I2C_METHOD); 247 248 static int ixl_enable_vf_loopback = 1; 249 TUNABLE_INT("hw.ixl.enable_vf_loopback", 250 &ixl_enable_vf_loopback); 251 SYSCTL_INT(_hw_ixl, OID_AUTO, enable_vf_loopback, CTLFLAG_RDTUN, 252 &ixl_enable_vf_loopback, 0, 253 IXL_SYSCTL_HELP_VF_LOOPBACK); 254 255 /* 256 * Different method for processing TX descriptor 257 * completion. 258 */ 259 static int ixl_enable_head_writeback = 1; 260 TUNABLE_INT("hw.ixl.enable_head_writeback", 261 &ixl_enable_head_writeback); 262 SYSCTL_INT(_hw_ixl, OID_AUTO, enable_head_writeback, CTLFLAG_RDTUN, 263 &ixl_enable_head_writeback, 0, 264 "For detecting last completed TX descriptor by hardware, use value written by HW instead of checking descriptors"); 265 266 static int ixl_core_debug_mask = 0; 267 TUNABLE_INT("hw.ixl.core_debug_mask", 268 &ixl_core_debug_mask); 269 SYSCTL_INT(_hw_ixl, OID_AUTO, core_debug_mask, CTLFLAG_RDTUN, 270 &ixl_core_debug_mask, 0, 271 "Display debug statements that are printed in non-shared code"); 272 273 static int ixl_shared_debug_mask = 0; 274 TUNABLE_INT("hw.ixl.shared_debug_mask", 275 &ixl_shared_debug_mask); 276 SYSCTL_INT(_hw_ixl, OID_AUTO, shared_debug_mask, CTLFLAG_RDTUN, 277 &ixl_shared_debug_mask, 0, 278 "Display debug statements that are printed in shared code"); 279 280 #if 0 281 /* 282 ** Controls for Interrupt Throttling 283 ** - true/false for dynamic adjustment 284 ** - default values for static ITR 285 */ 286 static int ixl_dynamic_rx_itr = 0; 287 TUNABLE_INT("hw.ixl.dynamic_rx_itr", &ixl_dynamic_rx_itr); 288 SYSCTL_INT(_hw_ixl, OID_AUTO, dynamic_rx_itr, CTLFLAG_RDTUN, 289 &ixl_dynamic_rx_itr, 0, "Dynamic RX Interrupt Rate"); 290 291 static int ixl_dynamic_tx_itr = 0; 292 TUNABLE_INT("hw.ixl.dynamic_tx_itr", &ixl_dynamic_tx_itr); 293 SYSCTL_INT(_hw_ixl, OID_AUTO, dynamic_tx_itr, CTLFLAG_RDTUN, 294 &ixl_dynamic_tx_itr, 0, "Dynamic TX Interrupt Rate"); 295 #endif 296 297 static int ixl_rx_itr = IXL_ITR_8K; 298 TUNABLE_INT("hw.ixl.rx_itr", &ixl_rx_itr); 299 SYSCTL_INT(_hw_ixl, OID_AUTO, rx_itr, CTLFLAG_RDTUN, 300 &ixl_rx_itr, 0, "RX Interrupt Rate"); 301 302 static int ixl_tx_itr = IXL_ITR_4K; 303 TUNABLE_INT("hw.ixl.tx_itr", &ixl_tx_itr); 304 SYSCTL_INT(_hw_ixl, OID_AUTO, tx_itr, CTLFLAG_RDTUN, 305 &ixl_tx_itr, 0, "TX Interrupt Rate"); 306 307 static int ixl_flow_control = -1; 308 SYSCTL_INT(_hw_ixl, OID_AUTO, flow_control, CTLFLAG_RDTUN, 309 &ixl_flow_control, 0, "Initial Flow Control setting"); 310 311 #ifdef IXL_IW 312 int ixl_enable_iwarp = 0; 313 TUNABLE_INT("hw.ixl.enable_iwarp", &ixl_enable_iwarp); 314 SYSCTL_INT(_hw_ixl, OID_AUTO, enable_iwarp, CTLFLAG_RDTUN, 315 &ixl_enable_iwarp, 0, "iWARP enabled"); 316 317 int ixl_limit_iwarp_msix = IXL_IW_MAX_MSIX; 318 TUNABLE_INT("hw.ixl.limit_iwarp_msix", &ixl_limit_iwarp_msix); 319 SYSCTL_INT(_hw_ixl, OID_AUTO, limit_iwarp_msix, CTLFLAG_RDTUN, 320 &ixl_limit_iwarp_msix, 0, "Limit MSI-X vectors assigned to iWARP"); 321 #endif 322 323 extern struct if_txrx ixl_txrx_hwb; 324 extern struct if_txrx ixl_txrx_dwb; 325 326 static struct if_shared_ctx ixl_sctx_init = { 327 .isc_magic = IFLIB_MAGIC, 328 .isc_q_align = PAGE_SIZE, 329 .isc_tx_maxsize = IXL_TSO_SIZE + sizeof(struct ether_vlan_header), 330 .isc_tx_maxsegsize = IXL_MAX_DMA_SEG_SIZE, 331 .isc_tso_maxsize = IXL_TSO_SIZE + sizeof(struct ether_vlan_header), 332 .isc_tso_maxsegsize = IXL_MAX_DMA_SEG_SIZE, 333 .isc_rx_maxsize = 16384, 334 .isc_rx_nsegments = IXL_MAX_RX_SEGS, 335 .isc_rx_maxsegsize = IXL_MAX_DMA_SEG_SIZE, 336 .isc_nfl = 1, 337 .isc_ntxqs = 1, 338 .isc_nrxqs = 1, 339 340 .isc_admin_intrcnt = 1, 341 .isc_vendor_info = ixl_vendor_info_array, 342 .isc_driver_version = IXL_DRIVER_VERSION_STRING, 343 .isc_driver = &ixl_if_driver, 344 .isc_flags = IFLIB_NEED_SCRATCH | IFLIB_NEED_ZERO_CSUM | IFLIB_TSO_INIT_IP | IFLIB_ADMIN_ALWAYS_RUN, 345 346 .isc_nrxd_min = {IXL_MIN_RING}, 347 .isc_ntxd_min = {IXL_MIN_RING}, 348 .isc_nrxd_max = {IXL_MAX_RING}, 349 .isc_ntxd_max = {IXL_MAX_RING}, 350 .isc_nrxd_default = {IXL_DEFAULT_RING}, 351 .isc_ntxd_default = {IXL_DEFAULT_RING}, 352 }; 353 354 /*** Functions ***/ 355 static void * 356 ixl_register(device_t dev) 357 { 358 return (&ixl_sctx_init); 359 } 360 361 static int 362 ixl_allocate_pci_resources(struct ixl_pf *pf) 363 { 364 device_t dev = iflib_get_dev(pf->vsi.ctx); 365 struct i40e_hw *hw = &pf->hw; 366 int rid; 367 368 /* Map BAR0 */ 369 rid = PCIR_BAR(0); 370 pf->pci_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 371 &rid, RF_ACTIVE); 372 373 if (!(pf->pci_mem)) { 374 device_printf(dev, "Unable to allocate bus resource: PCI memory\n"); 375 return (ENXIO); 376 } 377 378 /* Save off the PCI information */ 379 hw->vendor_id = pci_get_vendor(dev); 380 hw->device_id = pci_get_device(dev); 381 hw->revision_id = pci_read_config(dev, PCIR_REVID, 1); 382 hw->subsystem_vendor_id = 383 pci_read_config(dev, PCIR_SUBVEND_0, 2); 384 hw->subsystem_device_id = 385 pci_read_config(dev, PCIR_SUBDEV_0, 2); 386 387 hw->bus.device = pci_get_slot(dev); 388 hw->bus.func = pci_get_function(dev); 389 390 /* Save off register access information */ 391 pf->osdep.mem_bus_space_tag = 392 rman_get_bustag(pf->pci_mem); 393 pf->osdep.mem_bus_space_handle = 394 rman_get_bushandle(pf->pci_mem); 395 pf->osdep.mem_bus_space_size = rman_get_size(pf->pci_mem); 396 pf->osdep.flush_reg = I40E_GLGEN_STAT; 397 pf->osdep.dev = dev; 398 399 pf->hw.hw_addr = (u8 *) &pf->osdep.mem_bus_space_handle; 400 pf->hw.back = &pf->osdep; 401 402 return (0); 403 } 404 405 static void 406 ixl_setup_ssctx(struct ixl_pf *pf) 407 { 408 if_softc_ctx_t scctx = pf->vsi.shared; 409 struct i40e_hw *hw = &pf->hw; 410 411 if (IXL_PF_IN_RECOVERY_MODE(pf)) { 412 scctx->isc_ntxqsets_max = scctx->isc_nrxqsets_max = 1; 413 scctx->isc_ntxqsets = scctx->isc_nrxqsets = 1; 414 } else if (hw->mac.type == I40E_MAC_X722) 415 scctx->isc_ntxqsets_max = scctx->isc_nrxqsets_max = 128; 416 else 417 scctx->isc_ntxqsets_max = scctx->isc_nrxqsets_max = 64; 418 419 if (pf->vsi.enable_head_writeback) { 420 scctx->isc_txqsizes[0] = roundup2(scctx->isc_ntxd[0] 421 * sizeof(struct i40e_tx_desc) + sizeof(u32), DBA_ALIGN); 422 scctx->isc_txrx = &ixl_txrx_hwb; 423 } else { 424 scctx->isc_txqsizes[0] = roundup2(scctx->isc_ntxd[0] 425 * sizeof(struct i40e_tx_desc), DBA_ALIGN); 426 scctx->isc_txrx = &ixl_txrx_dwb; 427 } 428 429 scctx->isc_txrx->ift_legacy_intr = ixl_intr; 430 scctx->isc_rxqsizes[0] = roundup2(scctx->isc_nrxd[0] 431 * sizeof(union i40e_32byte_rx_desc), DBA_ALIGN); 432 scctx->isc_msix_bar = PCIR_BAR(IXL_MSIX_BAR); 433 scctx->isc_tx_nsegments = IXL_MAX_TX_SEGS; 434 scctx->isc_tx_tso_segments_max = IXL_MAX_TSO_SEGS; 435 scctx->isc_tx_tso_size_max = IXL_TSO_SIZE; 436 scctx->isc_tx_tso_segsize_max = IXL_MAX_DMA_SEG_SIZE; 437 scctx->isc_rss_table_size = pf->hw.func_caps.rss_table_size; 438 scctx->isc_tx_csum_flags = CSUM_OFFLOAD; 439 scctx->isc_capabilities = scctx->isc_capenable = IXL_CAPS; 440 } 441 442 static void 443 ixl_admin_timer(void *arg) 444 { 445 struct ixl_pf *pf = (struct ixl_pf *)arg; 446 447 /* Fire off the admin task */ 448 iflib_admin_intr_deferred(pf->vsi.ctx); 449 450 /* Reschedule the admin timer */ 451 callout_schedule(&pf->admin_timer, hz/2); 452 } 453 454 static int 455 ixl_attach_pre_recovery_mode(struct ixl_pf *pf) 456 { 457 struct ixl_vsi *vsi = &pf->vsi; 458 struct i40e_hw *hw = &pf->hw; 459 device_t dev = pf->dev; 460 461 device_printf(dev, "Firmware recovery mode detected. Limiting functionality. Refer to Intel(R) Ethernet Adapters and Devices User Guide for details on firmware recovery mode.\n"); 462 463 i40e_get_mac_addr(hw, hw->mac.addr); 464 465 if (vsi->shared->isc_intr == IFLIB_INTR_MSIX) { 466 ixl_configure_intr0_msix(pf); 467 ixl_enable_intr0(hw); 468 } 469 470 ixl_setup_ssctx(pf); 471 472 return (0); 473 } 474 475 static int 476 ixl_if_attach_pre(if_ctx_t ctx) 477 { 478 device_t dev; 479 struct ixl_pf *pf; 480 struct i40e_hw *hw; 481 struct ixl_vsi *vsi; 482 enum i40e_get_fw_lldp_status_resp lldp_status; 483 struct i40e_filter_control_settings filter; 484 enum i40e_status_code status; 485 int error = 0; 486 487 dev = iflib_get_dev(ctx); 488 pf = iflib_get_softc(ctx); 489 490 INIT_DBG_DEV(dev, "begin"); 491 492 vsi = &pf->vsi; 493 vsi->back = pf; 494 pf->dev = dev; 495 hw = &pf->hw; 496 497 vsi->dev = dev; 498 vsi->hw = &pf->hw; 499 vsi->id = 0; 500 vsi->num_vlans = 0; 501 vsi->ctx = ctx; 502 vsi->media = iflib_get_media(ctx); 503 vsi->shared = iflib_get_softc_ctx(ctx); 504 505 snprintf(pf->admin_mtx_name, sizeof(pf->admin_mtx_name), 506 "%s:admin", device_get_nameunit(dev)); 507 mtx_init(&pf->admin_mtx, pf->admin_mtx_name, NULL, MTX_DEF); 508 callout_init_mtx(&pf->admin_timer, &pf->admin_mtx, 0); 509 510 /* Save tunable values */ 511 ixl_save_pf_tunables(pf); 512 513 /* Do PCI setup - map BAR0, etc */ 514 if (ixl_allocate_pci_resources(pf)) { 515 device_printf(dev, "Allocation of PCI resources failed\n"); 516 error = ENXIO; 517 goto err_pci_res; 518 } 519 520 /* Establish a clean starting point */ 521 i40e_clear_hw(hw); 522 i40e_set_mac_type(hw); 523 524 error = ixl_pf_reset(pf); 525 if (error) 526 goto err_out; 527 528 /* Initialize the shared code */ 529 status = i40e_init_shared_code(hw); 530 if (status) { 531 device_printf(dev, "Unable to initialize shared code, error %s\n", 532 i40e_stat_str(hw, status)); 533 error = EIO; 534 goto err_out; 535 } 536 537 /* Set up the admin queue */ 538 hw->aq.num_arq_entries = IXL_AQ_LEN; 539 hw->aq.num_asq_entries = IXL_AQ_LEN; 540 hw->aq.arq_buf_size = IXL_AQ_BUF_SZ; 541 hw->aq.asq_buf_size = IXL_AQ_BUF_SZ; 542 543 status = i40e_init_adminq(hw); 544 if (status != 0 && status != I40E_ERR_FIRMWARE_API_VERSION) { 545 device_printf(dev, "Unable to initialize Admin Queue, error %s\n", 546 i40e_stat_str(hw, status)); 547 error = EIO; 548 goto err_out; 549 } 550 ixl_print_nvm_version(pf); 551 552 if (status == I40E_ERR_FIRMWARE_API_VERSION) { 553 device_printf(dev, "The driver for the device stopped " 554 "because the NVM image is newer than expected.\n"); 555 device_printf(dev, "You must install the most recent version of " 556 "the network driver.\n"); 557 error = EIO; 558 goto err_out; 559 } 560 561 if (hw->aq.api_maj_ver == I40E_FW_API_VERSION_MAJOR && 562 hw->aq.api_min_ver > I40E_FW_MINOR_VERSION(hw)) { 563 device_printf(dev, "The driver for the device detected " 564 "a newer version of the NVM image than expected.\n"); 565 device_printf(dev, "Please install the most recent version " 566 "of the network driver.\n"); 567 } else if (hw->aq.api_maj_ver == 1 && hw->aq.api_min_ver < 4) { 568 device_printf(dev, "The driver for the device detected " 569 "an older version of the NVM image than expected.\n"); 570 device_printf(dev, "Please update the NVM image.\n"); 571 } 572 573 if (IXL_PF_IN_RECOVERY_MODE(pf)) { 574 error = ixl_attach_pre_recovery_mode(pf); 575 if (error) 576 goto err_out; 577 return (error); 578 } 579 580 /* Clear PXE mode */ 581 i40e_clear_pxe_mode(hw); 582 583 /* Get capabilities from the device */ 584 error = ixl_get_hw_capabilities(pf); 585 if (error) { 586 device_printf(dev, "get_hw_capabilities failed: %d\n", 587 error); 588 goto err_get_cap; 589 } 590 591 /* Set up host memory cache */ 592 error = ixl_setup_hmc(pf); 593 if (error) 594 goto err_mac_hmc; 595 596 /* Disable LLDP from the firmware for certain NVM versions */ 597 if (((pf->hw.aq.fw_maj_ver == 4) && (pf->hw.aq.fw_min_ver < 3)) || 598 (pf->hw.aq.fw_maj_ver < 4)) { 599 i40e_aq_stop_lldp(hw, true, false, NULL); 600 pf->state |= IXL_PF_STATE_FW_LLDP_DISABLED; 601 } 602 603 /* Try enabling Energy Efficient Ethernet (EEE) mode */ 604 if (i40e_enable_eee(hw, true) == I40E_SUCCESS) 605 atomic_set_32(&pf->state, IXL_PF_STATE_EEE_ENABLED); 606 else 607 atomic_clear_32(&pf->state, IXL_PF_STATE_EEE_ENABLED); 608 609 /* Get MAC addresses from hardware */ 610 i40e_get_mac_addr(hw, hw->mac.addr); 611 error = i40e_validate_mac_addr(hw->mac.addr); 612 if (error) { 613 device_printf(dev, "validate_mac_addr failed: %d\n", error); 614 goto err_mac_hmc; 615 } 616 bcopy(hw->mac.addr, hw->mac.perm_addr, ETHER_ADDR_LEN); 617 iflib_set_mac(ctx, hw->mac.addr); 618 i40e_get_port_mac_addr(hw, hw->mac.port_addr); 619 620 /* Set up the device filtering */ 621 bzero(&filter, sizeof(filter)); 622 filter.enable_ethtype = TRUE; 623 filter.enable_macvlan = TRUE; 624 filter.enable_fdir = FALSE; 625 filter.hash_lut_size = I40E_HASH_LUT_SIZE_512; 626 if (i40e_set_filter_control(hw, &filter)) 627 device_printf(dev, "i40e_set_filter_control() failed\n"); 628 629 /* Query device FW LLDP status */ 630 if (i40e_get_fw_lldp_status(hw, &lldp_status) == I40E_SUCCESS) { 631 if (lldp_status == I40E_GET_FW_LLDP_STATUS_DISABLED) { 632 atomic_set_32(&pf->state, 633 IXL_PF_STATE_FW_LLDP_DISABLED); 634 } else { 635 atomic_clear_32(&pf->state, 636 IXL_PF_STATE_FW_LLDP_DISABLED); 637 } 638 } 639 640 /* Tell FW to apply DCB config on link up */ 641 i40e_aq_set_dcb_parameters(hw, true, NULL); 642 643 /* Fill out iflib parameters */ 644 ixl_setup_ssctx(pf); 645 646 INIT_DBG_DEV(dev, "end"); 647 return (0); 648 649 err_mac_hmc: 650 ixl_shutdown_hmc(pf); 651 err_get_cap: 652 i40e_shutdown_adminq(hw); 653 err_out: 654 ixl_free_pci_resources(pf); 655 err_pci_res: 656 mtx_lock(&pf->admin_mtx); 657 callout_stop(&pf->admin_timer); 658 mtx_unlock(&pf->admin_mtx); 659 mtx_destroy(&pf->admin_mtx); 660 return (error); 661 } 662 663 static int 664 ixl_if_attach_post(if_ctx_t ctx) 665 { 666 device_t dev; 667 struct ixl_pf *pf; 668 struct i40e_hw *hw; 669 struct ixl_vsi *vsi; 670 int error = 0; 671 enum i40e_status_code status; 672 673 dev = iflib_get_dev(ctx); 674 pf = iflib_get_softc(ctx); 675 676 INIT_DBG_DEV(dev, "begin"); 677 678 vsi = &pf->vsi; 679 vsi->ifp = iflib_get_ifp(ctx); 680 hw = &pf->hw; 681 682 /* Save off determined number of queues for interface */ 683 vsi->num_rx_queues = vsi->shared->isc_nrxqsets; 684 vsi->num_tx_queues = vsi->shared->isc_ntxqsets; 685 686 /* Setup OS network interface / ifnet */ 687 if (ixl_setup_interface(dev, pf)) { 688 device_printf(dev, "interface setup failed!\n"); 689 error = EIO; 690 goto err; 691 } 692 693 if (IXL_PF_IN_RECOVERY_MODE(pf)) { 694 /* Keep admin queue interrupts active while driver is loaded */ 695 if (vsi->shared->isc_intr == IFLIB_INTR_MSIX) { 696 ixl_configure_intr0_msix(pf); 697 ixl_enable_intr0(hw); 698 } 699 700 ixl_add_sysctls_recovery_mode(pf); 701 702 /* Start the admin timer */ 703 mtx_lock(&pf->admin_mtx); 704 callout_reset(&pf->admin_timer, hz/2, ixl_admin_timer, pf); 705 mtx_unlock(&pf->admin_mtx); 706 return (0); 707 } 708 709 /* Determine link state */ 710 if (ixl_attach_get_link_status(pf)) { 711 error = EINVAL; 712 goto err; 713 } 714 715 error = ixl_switch_config(pf); 716 if (error) { 717 device_printf(dev, "Initial ixl_switch_config() failed: %d\n", 718 error); 719 goto err; 720 } 721 722 /* Add protocol filters to list */ 723 ixl_init_filters(vsi); 724 725 /* Init queue allocation manager */ 726 error = ixl_pf_qmgr_init(&pf->qmgr, hw->func_caps.num_tx_qp); 727 if (error) { 728 device_printf(dev, "Failed to init queue manager for PF queues, error %d\n", 729 error); 730 goto err; 731 } 732 /* reserve a contiguous allocation for the PF's VSI */ 733 error = ixl_pf_qmgr_alloc_contiguous(&pf->qmgr, 734 max(vsi->num_rx_queues, vsi->num_tx_queues), &pf->qtag); 735 if (error) { 736 device_printf(dev, "Failed to reserve queues for PF LAN VSI, error %d\n", 737 error); 738 goto err; 739 } 740 device_printf(dev, "Allocating %d queues for PF LAN VSI; %d queues active\n", 741 pf->qtag.num_allocated, pf->qtag.num_active); 742 743 /* Limit PHY interrupts to link, autoneg, and modules failure */ 744 status = i40e_aq_set_phy_int_mask(hw, IXL_DEFAULT_PHY_INT_MASK, 745 NULL); 746 if (status) { 747 device_printf(dev, "i40e_aq_set_phy_mask() failed: err %s," 748 " aq_err %s\n", i40e_stat_str(hw, status), 749 i40e_aq_str(hw, hw->aq.asq_last_status)); 750 goto err; 751 } 752 753 /* Get the bus configuration and set the shared code */ 754 ixl_get_bus_info(pf); 755 756 /* Keep admin queue interrupts active while driver is loaded */ 757 if (vsi->shared->isc_intr == IFLIB_INTR_MSIX) { 758 ixl_configure_intr0_msix(pf); 759 ixl_enable_intr0(hw); 760 } 761 762 /* Set initial advertised speed sysctl value */ 763 ixl_set_initial_advertised_speeds(pf); 764 765 /* Initialize statistics & add sysctls */ 766 ixl_add_device_sysctls(pf); 767 ixl_pf_reset_stats(pf); 768 ixl_update_stats_counters(pf); 769 ixl_add_hw_stats(pf); 770 771 /* 772 * Driver may have been reloaded. Ensure that the link state 773 * is consistent with current settings. 774 */ 775 ixl_set_link(pf, (pf->state & IXL_PF_STATE_LINK_ACTIVE_ON_DOWN) != 0); 776 777 hw->phy.get_link_info = true; 778 i40e_get_link_status(hw, &pf->link_up); 779 ixl_update_link_status(pf); 780 781 #ifdef PCI_IOV 782 ixl_initialize_sriov(pf); 783 #endif 784 785 #ifdef IXL_IW 786 if (hw->func_caps.iwarp && ixl_enable_iwarp) { 787 pf->iw_enabled = (pf->iw_msix > 0) ? true : false; 788 if (pf->iw_enabled) { 789 error = ixl_iw_pf_attach(pf); 790 if (error) { 791 device_printf(dev, 792 "interfacing to iWARP driver failed: %d\n", 793 error); 794 goto err; 795 } else 796 device_printf(dev, "iWARP ready\n"); 797 } else 798 device_printf(dev, "iWARP disabled on this device " 799 "(no MSI-X vectors)\n"); 800 } else { 801 pf->iw_enabled = false; 802 device_printf(dev, "The device is not iWARP enabled\n"); 803 } 804 #endif 805 /* Start the admin timer */ 806 mtx_lock(&pf->admin_mtx); 807 callout_reset(&pf->admin_timer, hz/2, ixl_admin_timer, pf); 808 mtx_unlock(&pf->admin_mtx); 809 810 INIT_DBG_DEV(dev, "end"); 811 return (0); 812 813 err: 814 INIT_DEBUGOUT("end: error %d", error); 815 /* ixl_if_detach() is called on error from this */ 816 return (error); 817 } 818 819 /** 820 * XXX: iflib always ignores the return value of detach() 821 * -> This means that this isn't allowed to fail 822 */ 823 static int 824 ixl_if_detach(if_ctx_t ctx) 825 { 826 struct ixl_pf *pf = iflib_get_softc(ctx); 827 struct ixl_vsi *vsi = &pf->vsi; 828 struct i40e_hw *hw = &pf->hw; 829 device_t dev = pf->dev; 830 enum i40e_status_code status; 831 #ifdef IXL_IW 832 int error; 833 #endif 834 835 INIT_DBG_DEV(dev, "begin"); 836 837 /* Stop the admin timer */ 838 mtx_lock(&pf->admin_mtx); 839 callout_stop(&pf->admin_timer); 840 mtx_unlock(&pf->admin_mtx); 841 mtx_destroy(&pf->admin_mtx); 842 843 #ifdef IXL_IW 844 if (ixl_enable_iwarp && pf->iw_enabled) { 845 error = ixl_iw_pf_detach(pf); 846 if (error == EBUSY) { 847 device_printf(dev, "iwarp in use; stop it first.\n"); 848 //return (error); 849 } 850 } 851 #endif 852 /* Remove all previously allocated media types */ 853 ifmedia_removeall(vsi->media); 854 855 /* Shutdown LAN HMC */ 856 ixl_shutdown_hmc(pf); 857 858 /* Shutdown admin queue */ 859 ixl_disable_intr0(hw); 860 status = i40e_shutdown_adminq(hw); 861 if (status) 862 device_printf(dev, 863 "i40e_shutdown_adminq() failed with status %s\n", 864 i40e_stat_str(hw, status)); 865 866 ixl_pf_qmgr_destroy(&pf->qmgr); 867 ixl_free_pci_resources(pf); 868 ixl_free_filters(&vsi->ftl); 869 INIT_DBG_DEV(dev, "end"); 870 return (0); 871 } 872 873 static int 874 ixl_if_shutdown(if_ctx_t ctx) 875 { 876 int error = 0; 877 878 INIT_DEBUGOUT("ixl_if_shutdown: begin"); 879 880 /* TODO: Call ixl_if_stop()? */ 881 882 /* TODO: Then setup low power mode */ 883 884 return (error); 885 } 886 887 static int 888 ixl_if_suspend(if_ctx_t ctx) 889 { 890 int error = 0; 891 892 INIT_DEBUGOUT("ixl_if_suspend: begin"); 893 894 /* TODO: Call ixl_if_stop()? */ 895 896 /* TODO: Then setup low power mode */ 897 898 return (error); 899 } 900 901 static int 902 ixl_if_resume(if_ctx_t ctx) 903 { 904 if_t ifp = iflib_get_ifp(ctx); 905 906 INIT_DEBUGOUT("ixl_if_resume: begin"); 907 908 /* Read & clear wake-up registers */ 909 910 /* Required after D3->D0 transition */ 911 if (if_getflags(ifp) & IFF_UP) 912 ixl_if_init(ctx); 913 914 return (0); 915 } 916 917 void 918 ixl_if_init(if_ctx_t ctx) 919 { 920 struct ixl_pf *pf = iflib_get_softc(ctx); 921 struct ixl_vsi *vsi = &pf->vsi; 922 struct i40e_hw *hw = &pf->hw; 923 if_t ifp = iflib_get_ifp(ctx); 924 device_t dev = iflib_get_dev(ctx); 925 u8 tmpaddr[ETHER_ADDR_LEN]; 926 int ret; 927 928 if (IXL_PF_IN_RECOVERY_MODE(pf)) 929 return; 930 /* 931 * If the aq is dead here, it probably means something outside of the driver 932 * did something to the adapter, like a PF reset. 933 * So, rebuild the driver's state here if that occurs. 934 */ 935 if (!i40e_check_asq_alive(&pf->hw)) { 936 device_printf(dev, "Admin Queue is down; resetting...\n"); 937 ixl_teardown_hw_structs(pf); 938 ixl_rebuild_hw_structs_after_reset(pf, false); 939 } 940 941 /* Get the latest mac address... User might use a LAA */ 942 bcopy(if_getlladdr(vsi->ifp), tmpaddr, ETH_ALEN); 943 if (!ixl_ether_is_equal(hw->mac.addr, tmpaddr) && 944 (i40e_validate_mac_addr(tmpaddr) == I40E_SUCCESS)) { 945 ixl_del_all_vlan_filters(vsi, hw->mac.addr); 946 bcopy(tmpaddr, hw->mac.addr, ETH_ALEN); 947 ret = i40e_aq_mac_address_write(hw, 948 I40E_AQC_WRITE_TYPE_LAA_ONLY, 949 hw->mac.addr, NULL); 950 if (ret) { 951 device_printf(dev, "LLA address change failed!!\n"); 952 return; 953 } 954 /* 955 * New filters are configured by ixl_reconfigure_filters 956 * at the end of ixl_init_locked. 957 */ 958 } 959 960 iflib_set_mac(ctx, hw->mac.addr); 961 962 /* Prepare the VSI: rings, hmc contexts, etc... */ 963 if (ixl_initialize_vsi(vsi)) { 964 device_printf(dev, "initialize vsi failed!!\n"); 965 return; 966 } 967 968 ixl_set_link(pf, true); 969 970 /* Reconfigure multicast filters in HW */ 971 ixl_if_multi_set(ctx); 972 973 /* Set up RSS */ 974 ixl_config_rss(pf); 975 976 /* Set up MSI-X routing and the ITR settings */ 977 if (vsi->shared->isc_intr == IFLIB_INTR_MSIX) { 978 ixl_configure_queue_intr_msix(pf); 979 ixl_configure_itr(pf); 980 } else 981 ixl_configure_legacy(pf); 982 983 if (vsi->enable_head_writeback) 984 ixl_init_tx_cidx(vsi); 985 else 986 ixl_init_tx_rsqs(vsi); 987 988 ixl_enable_rings(vsi); 989 990 i40e_aq_set_default_vsi(hw, vsi->seid, NULL); 991 992 /* Re-add configure filters to HW */ 993 ixl_reconfigure_filters(vsi); 994 995 /* Configure promiscuous mode */ 996 ixl_if_promisc_set(ctx, if_getflags(ifp)); 997 998 #ifdef IXL_IW 999 if (ixl_enable_iwarp && pf->iw_enabled) { 1000 ret = ixl_iw_pf_init(pf); 1001 if (ret) 1002 device_printf(dev, 1003 "initialize iwarp failed, code %d\n", ret); 1004 } 1005 #endif 1006 } 1007 1008 void 1009 ixl_if_stop(if_ctx_t ctx) 1010 { 1011 struct ixl_pf *pf = iflib_get_softc(ctx); 1012 if_t ifp = iflib_get_ifp(ctx); 1013 struct ixl_vsi *vsi = &pf->vsi; 1014 1015 INIT_DEBUGOUT("ixl_if_stop: begin\n"); 1016 1017 if (IXL_PF_IN_RECOVERY_MODE(pf)) 1018 return; 1019 1020 // TODO: This may need to be reworked 1021 #ifdef IXL_IW 1022 /* Stop iWARP device */ 1023 if (ixl_enable_iwarp && pf->iw_enabled) 1024 ixl_iw_pf_stop(pf); 1025 #endif 1026 1027 ixl_disable_rings_intr(vsi); 1028 ixl_disable_rings(pf, vsi, &pf->qtag); 1029 1030 /* 1031 * Don't set link state if only reconfiguring 1032 * e.g. on MTU change. 1033 */ 1034 if ((if_getflags(ifp) & IFF_UP) == 0 && 1035 (atomic_load_acq_32(&pf->state) & 1036 IXL_PF_STATE_LINK_ACTIVE_ON_DOWN) == 0) 1037 ixl_set_link(pf, false); 1038 } 1039 1040 static int 1041 ixl_if_msix_intr_assign(if_ctx_t ctx, int msix) 1042 { 1043 struct ixl_pf *pf = iflib_get_softc(ctx); 1044 struct ixl_vsi *vsi = &pf->vsi; 1045 struct ixl_rx_queue *rx_que = vsi->rx_queues; 1046 struct ixl_tx_queue *tx_que = vsi->tx_queues; 1047 int err, i, rid, vector = 0; 1048 char buf[16]; 1049 1050 MPASS(vsi->shared->isc_nrxqsets > 0); 1051 MPASS(vsi->shared->isc_ntxqsets > 0); 1052 1053 /* Admin Que must use vector 0*/ 1054 rid = vector + 1; 1055 err = iflib_irq_alloc_generic(ctx, &vsi->irq, rid, IFLIB_INTR_ADMIN, 1056 ixl_msix_adminq, pf, 0, "aq"); 1057 if (err) { 1058 iflib_irq_free(ctx, &vsi->irq); 1059 device_printf(iflib_get_dev(ctx), 1060 "Failed to register Admin Que handler"); 1061 return (err); 1062 } 1063 1064 #ifdef PCI_IOV 1065 /* Create soft IRQ for handling VFLRs */ 1066 iflib_softirq_alloc_generic(ctx, NULL, IFLIB_INTR_IOV, pf, 0, "iov"); 1067 #endif 1068 1069 /* Now set up the stations */ 1070 for (i = 0, vector = 1; i < vsi->shared->isc_nrxqsets; i++, vector++, rx_que++) { 1071 rid = vector + 1; 1072 1073 snprintf(buf, sizeof(buf), "rxq%d", i); 1074 err = iflib_irq_alloc_generic(ctx, &rx_que->que_irq, rid, 1075 IFLIB_INTR_RXTX, ixl_msix_que, rx_que, rx_que->rxr.me, buf); 1076 /* XXX: Does the driver work as expected if there are fewer num_rx_queues than 1077 * what's expected in the iflib context? */ 1078 if (err) { 1079 device_printf(iflib_get_dev(ctx), 1080 "Failed to allocate queue RX int vector %d, err: %d\n", i, err); 1081 vsi->num_rx_queues = i + 1; 1082 goto fail; 1083 } 1084 rx_que->msix = vector; 1085 } 1086 1087 bzero(buf, sizeof(buf)); 1088 1089 for (i = 0; i < vsi->shared->isc_ntxqsets; i++, tx_que++) { 1090 snprintf(buf, sizeof(buf), "txq%d", i); 1091 iflib_softirq_alloc_generic(ctx, 1092 &vsi->rx_queues[i % vsi->shared->isc_nrxqsets].que_irq, 1093 IFLIB_INTR_TX, tx_que, tx_que->txr.me, buf); 1094 1095 /* TODO: Maybe call a strategy function for this to figure out which 1096 * interrupts to map Tx queues to. I don't know if there's an immediately 1097 * better way than this other than a user-supplied map, though. */ 1098 tx_que->msix = (i % vsi->shared->isc_nrxqsets) + 1; 1099 } 1100 1101 return (0); 1102 fail: 1103 iflib_irq_free(ctx, &vsi->irq); 1104 rx_que = vsi->rx_queues; 1105 for (int i = 0; i < vsi->num_rx_queues; i++, rx_que++) 1106 iflib_irq_free(ctx, &rx_que->que_irq); 1107 return (err); 1108 } 1109 1110 /* 1111 * Enable all interrupts 1112 * 1113 * Called in: 1114 * iflib_init_locked, after ixl_if_init() 1115 */ 1116 static void 1117 ixl_if_enable_intr(if_ctx_t ctx) 1118 { 1119 struct ixl_pf *pf = iflib_get_softc(ctx); 1120 struct ixl_vsi *vsi = &pf->vsi; 1121 struct i40e_hw *hw = vsi->hw; 1122 struct ixl_rx_queue *que = vsi->rx_queues; 1123 1124 ixl_enable_intr0(hw); 1125 /* Enable queue interrupts */ 1126 for (int i = 0; i < vsi->num_rx_queues; i++, que++) 1127 /* TODO: Queue index parameter is probably wrong */ 1128 ixl_enable_queue(hw, que->rxr.me); 1129 } 1130 1131 /* 1132 * Disable queue interrupts 1133 * 1134 * Other interrupt causes need to remain active. 1135 */ 1136 static void 1137 ixl_if_disable_intr(if_ctx_t ctx) 1138 { 1139 struct ixl_pf *pf = iflib_get_softc(ctx); 1140 struct ixl_vsi *vsi = &pf->vsi; 1141 struct i40e_hw *hw = vsi->hw; 1142 struct ixl_rx_queue *rx_que = vsi->rx_queues; 1143 1144 if (vsi->shared->isc_intr == IFLIB_INTR_MSIX) { 1145 for (int i = 0; i < vsi->num_rx_queues; i++, rx_que++) 1146 ixl_disable_queue(hw, rx_que->msix - 1); 1147 } else { 1148 // Set PFINT_LNKLST0 FIRSTQ_INDX to 0x7FF 1149 // stops queues from triggering interrupts 1150 wr32(hw, I40E_PFINT_LNKLST0, 0x7FF); 1151 } 1152 } 1153 1154 static int 1155 ixl_if_rx_queue_intr_enable(if_ctx_t ctx, uint16_t rxqid) 1156 { 1157 struct ixl_pf *pf = iflib_get_softc(ctx); 1158 struct ixl_vsi *vsi = &pf->vsi; 1159 struct i40e_hw *hw = vsi->hw; 1160 struct ixl_rx_queue *rx_que = &vsi->rx_queues[rxqid]; 1161 1162 ixl_enable_queue(hw, rx_que->msix - 1); 1163 return (0); 1164 } 1165 1166 static int 1167 ixl_if_tx_queue_intr_enable(if_ctx_t ctx, uint16_t txqid) 1168 { 1169 struct ixl_pf *pf = iflib_get_softc(ctx); 1170 struct ixl_vsi *vsi = &pf->vsi; 1171 struct i40e_hw *hw = vsi->hw; 1172 struct ixl_tx_queue *tx_que = &vsi->tx_queues[txqid]; 1173 1174 ixl_enable_queue(hw, tx_que->msix - 1); 1175 return (0); 1176 } 1177 1178 static int 1179 ixl_if_tx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs, uint64_t *paddrs, int ntxqs, int ntxqsets) 1180 { 1181 struct ixl_pf *pf = iflib_get_softc(ctx); 1182 struct ixl_vsi *vsi = &pf->vsi; 1183 if_softc_ctx_t scctx = vsi->shared; 1184 struct ixl_tx_queue *que; 1185 int i, j, error = 0; 1186 1187 MPASS(scctx->isc_ntxqsets > 0); 1188 MPASS(ntxqs == 1); 1189 MPASS(scctx->isc_ntxqsets == ntxqsets); 1190 1191 /* Allocate queue structure memory */ 1192 if (!(vsi->tx_queues = 1193 (struct ixl_tx_queue *) malloc(sizeof(struct ixl_tx_queue) *ntxqsets, M_IXL, M_NOWAIT | M_ZERO))) { 1194 device_printf(iflib_get_dev(ctx), "Unable to allocate TX ring memory\n"); 1195 return (ENOMEM); 1196 } 1197 1198 for (i = 0, que = vsi->tx_queues; i < ntxqsets; i++, que++) { 1199 struct tx_ring *txr = &que->txr; 1200 1201 txr->me = i; 1202 que->vsi = vsi; 1203 1204 if (!vsi->enable_head_writeback) { 1205 /* Allocate report status array */ 1206 if (!(txr->tx_rsq = malloc(sizeof(qidx_t) * scctx->isc_ntxd[0], M_IXL, M_NOWAIT))) { 1207 device_printf(iflib_get_dev(ctx), "failed to allocate tx_rsq memory\n"); 1208 error = ENOMEM; 1209 goto fail; 1210 } 1211 /* Init report status array */ 1212 for (j = 0; j < scctx->isc_ntxd[0]; j++) 1213 txr->tx_rsq[j] = QIDX_INVALID; 1214 } 1215 /* get the virtual and physical address of the hardware queues */ 1216 txr->tail = I40E_QTX_TAIL(txr->me); 1217 txr->tx_base = (struct i40e_tx_desc *)vaddrs[i * ntxqs]; 1218 txr->tx_paddr = paddrs[i * ntxqs]; 1219 txr->que = que; 1220 } 1221 1222 return (0); 1223 fail: 1224 ixl_if_queues_free(ctx); 1225 return (error); 1226 } 1227 1228 static int 1229 ixl_if_rx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs, uint64_t *paddrs, int nrxqs, int nrxqsets) 1230 { 1231 struct ixl_pf *pf = iflib_get_softc(ctx); 1232 struct ixl_vsi *vsi = &pf->vsi; 1233 struct ixl_rx_queue *que; 1234 int i, error = 0; 1235 1236 #ifdef INVARIANTS 1237 if_softc_ctx_t scctx = vsi->shared; 1238 MPASS(scctx->isc_nrxqsets > 0); 1239 MPASS(nrxqs == 1); 1240 MPASS(scctx->isc_nrxqsets == nrxqsets); 1241 #endif 1242 1243 /* Allocate queue structure memory */ 1244 if (!(vsi->rx_queues = 1245 (struct ixl_rx_queue *) malloc(sizeof(struct ixl_rx_queue) * 1246 nrxqsets, M_IXL, M_NOWAIT | M_ZERO))) { 1247 device_printf(iflib_get_dev(ctx), "Unable to allocate RX ring memory\n"); 1248 error = ENOMEM; 1249 goto fail; 1250 } 1251 1252 for (i = 0, que = vsi->rx_queues; i < nrxqsets; i++, que++) { 1253 struct rx_ring *rxr = &que->rxr; 1254 1255 rxr->me = i; 1256 que->vsi = vsi; 1257 1258 /* get the virtual and physical address of the hardware queues */ 1259 rxr->tail = I40E_QRX_TAIL(rxr->me); 1260 rxr->rx_base = (union i40e_rx_desc *)vaddrs[i * nrxqs]; 1261 rxr->rx_paddr = paddrs[i * nrxqs]; 1262 rxr->que = que; 1263 } 1264 1265 return (0); 1266 fail: 1267 ixl_if_queues_free(ctx); 1268 return (error); 1269 } 1270 1271 static void 1272 ixl_if_queues_free(if_ctx_t ctx) 1273 { 1274 struct ixl_pf *pf = iflib_get_softc(ctx); 1275 struct ixl_vsi *vsi = &pf->vsi; 1276 1277 if (vsi->tx_queues != NULL && !vsi->enable_head_writeback) { 1278 struct ixl_tx_queue *que; 1279 int i = 0; 1280 1281 for (i = 0, que = vsi->tx_queues; i < vsi->num_tx_queues; i++, que++) { 1282 struct tx_ring *txr = &que->txr; 1283 if (txr->tx_rsq != NULL) { 1284 free(txr->tx_rsq, M_IXL); 1285 txr->tx_rsq = NULL; 1286 } 1287 } 1288 } 1289 1290 if (vsi->tx_queues != NULL) { 1291 free(vsi->tx_queues, M_IXL); 1292 vsi->tx_queues = NULL; 1293 } 1294 if (vsi->rx_queues != NULL) { 1295 free(vsi->rx_queues, M_IXL); 1296 vsi->rx_queues = NULL; 1297 } 1298 1299 if (!IXL_PF_IN_RECOVERY_MODE(pf)) 1300 sysctl_ctx_free(&vsi->sysctl_ctx); 1301 } 1302 1303 void 1304 ixl_update_link_status(struct ixl_pf *pf) 1305 { 1306 struct ixl_vsi *vsi = &pf->vsi; 1307 struct i40e_hw *hw = &pf->hw; 1308 u64 baudrate; 1309 1310 if (pf->link_up) { 1311 if (vsi->link_active == FALSE) { 1312 vsi->link_active = TRUE; 1313 baudrate = ixl_max_aq_speed_to_value(hw->phy.link_info.link_speed); 1314 iflib_link_state_change(vsi->ctx, LINK_STATE_UP, baudrate); 1315 ixl_link_up_msg(pf); 1316 #ifdef PCI_IOV 1317 ixl_broadcast_link_state(pf); 1318 #endif 1319 } 1320 } else { /* Link down */ 1321 if (vsi->link_active == TRUE) { 1322 vsi->link_active = FALSE; 1323 iflib_link_state_change(vsi->ctx, LINK_STATE_DOWN, 0); 1324 #ifdef PCI_IOV 1325 ixl_broadcast_link_state(pf); 1326 #endif 1327 } 1328 } 1329 } 1330 1331 static void 1332 ixl_handle_lan_overflow_event(struct ixl_pf *pf, struct i40e_arq_event_info *e) 1333 { 1334 device_t dev = pf->dev; 1335 u32 rxq_idx, qtx_ctl; 1336 1337 rxq_idx = (e->desc.params.external.param0 & I40E_PRTDCB_RUPTQ_RXQNUM_MASK) >> 1338 I40E_PRTDCB_RUPTQ_RXQNUM_SHIFT; 1339 qtx_ctl = e->desc.params.external.param1; 1340 1341 device_printf(dev, "LAN overflow event: global rxq_idx %d\n", rxq_idx); 1342 device_printf(dev, "LAN overflow event: QTX_CTL 0x%08x\n", qtx_ctl); 1343 } 1344 1345 static int 1346 ixl_process_adminq(struct ixl_pf *pf, u16 *pending) 1347 { 1348 enum i40e_status_code status = I40E_SUCCESS; 1349 struct i40e_arq_event_info event; 1350 struct i40e_hw *hw = &pf->hw; 1351 device_t dev = pf->dev; 1352 u16 opcode; 1353 u32 loop = 0, reg; 1354 1355 event.buf_len = IXL_AQ_BUF_SZ; 1356 event.msg_buf = malloc(event.buf_len, M_IXL, M_NOWAIT | M_ZERO); 1357 if (!event.msg_buf) { 1358 device_printf(dev, "%s: Unable to allocate memory for Admin" 1359 " Queue event!\n", __func__); 1360 return (ENOMEM); 1361 } 1362 1363 /* clean and process any events */ 1364 do { 1365 status = i40e_clean_arq_element(hw, &event, pending); 1366 if (status) 1367 break; 1368 opcode = LE16_TO_CPU(event.desc.opcode); 1369 ixl_dbg(pf, IXL_DBG_AQ, 1370 "Admin Queue event: %#06x\n", opcode); 1371 switch (opcode) { 1372 case i40e_aqc_opc_get_link_status: 1373 ixl_link_event(pf, &event); 1374 break; 1375 case i40e_aqc_opc_send_msg_to_pf: 1376 #ifdef PCI_IOV 1377 ixl_handle_vf_msg(pf, &event); 1378 #endif 1379 break; 1380 /* 1381 * This should only occur on no-drop queues, which 1382 * aren't currently configured. 1383 */ 1384 case i40e_aqc_opc_event_lan_overflow: 1385 ixl_handle_lan_overflow_event(pf, &event); 1386 break; 1387 default: 1388 break; 1389 } 1390 } while (*pending && (loop++ < IXL_ADM_LIMIT)); 1391 1392 free(event.msg_buf, M_IXL); 1393 1394 /* Re-enable admin queue interrupt cause */ 1395 reg = rd32(hw, I40E_PFINT_ICR0_ENA); 1396 reg |= I40E_PFINT_ICR0_ENA_ADMINQ_MASK; 1397 wr32(hw, I40E_PFINT_ICR0_ENA, reg); 1398 1399 return (status); 1400 } 1401 1402 static void 1403 ixl_if_update_admin_status(if_ctx_t ctx) 1404 { 1405 struct ixl_pf *pf = iflib_get_softc(ctx); 1406 struct i40e_hw *hw = &pf->hw; 1407 u16 pending; 1408 1409 if (IXL_PF_IS_RESETTING(pf)) 1410 ixl_handle_empr_reset(pf); 1411 1412 /* 1413 * Admin Queue is shut down while handling reset. 1414 * Don't proceed if it hasn't been re-initialized 1415 * e.g due to an issue with new FW. 1416 */ 1417 if (!i40e_check_asq_alive(&pf->hw)) 1418 return; 1419 1420 if (pf->state & IXL_PF_STATE_MDD_PENDING) 1421 ixl_handle_mdd_event(pf); 1422 1423 ixl_process_adminq(pf, &pending); 1424 ixl_update_link_status(pf); 1425 1426 /* 1427 * If there are still messages to process, reschedule ourselves. 1428 * Otherwise, re-enable our interrupt and go to sleep. 1429 */ 1430 if (pending > 0) 1431 iflib_admin_intr_deferred(ctx); 1432 else 1433 ixl_enable_intr0(hw); 1434 } 1435 1436 static void 1437 ixl_if_multi_set(if_ctx_t ctx) 1438 { 1439 struct ixl_pf *pf = iflib_get_softc(ctx); 1440 struct ixl_vsi *vsi = &pf->vsi; 1441 struct i40e_hw *hw = vsi->hw; 1442 int mcnt; 1443 1444 IOCTL_DEBUGOUT("ixl_if_multi_set: begin"); 1445 1446 /* Delete filters for removed multicast addresses */ 1447 ixl_del_multi(vsi, false); 1448 1449 mcnt = min(if_llmaddr_count(iflib_get_ifp(ctx)), MAX_MULTICAST_ADDR); 1450 if (__predict_false(mcnt == MAX_MULTICAST_ADDR)) { 1451 i40e_aq_set_vsi_multicast_promiscuous(hw, 1452 vsi->seid, TRUE, NULL); 1453 ixl_del_multi(vsi, true); 1454 return; 1455 } 1456 1457 ixl_add_multi(vsi); 1458 IOCTL_DEBUGOUT("ixl_if_multi_set: end"); 1459 } 1460 1461 static int 1462 ixl_if_mtu_set(if_ctx_t ctx, uint32_t mtu) 1463 { 1464 struct ixl_pf *pf = iflib_get_softc(ctx); 1465 struct ixl_vsi *vsi = &pf->vsi; 1466 1467 IOCTL_DEBUGOUT("ioctl: SIOCSIFMTU (Set Interface MTU)"); 1468 if (mtu > IXL_MAX_FRAME - ETHER_HDR_LEN - ETHER_CRC_LEN - 1469 ETHER_VLAN_ENCAP_LEN) 1470 return (EINVAL); 1471 1472 vsi->shared->isc_max_frame_size = mtu + ETHER_HDR_LEN + ETHER_CRC_LEN + 1473 ETHER_VLAN_ENCAP_LEN; 1474 1475 return (0); 1476 } 1477 1478 static void 1479 ixl_if_media_status(if_ctx_t ctx, struct ifmediareq *ifmr) 1480 { 1481 struct ixl_pf *pf = iflib_get_softc(ctx); 1482 struct i40e_hw *hw = &pf->hw; 1483 1484 INIT_DEBUGOUT("ixl_media_status: begin"); 1485 1486 ifmr->ifm_status = IFM_AVALID; 1487 ifmr->ifm_active = IFM_ETHER; 1488 1489 if (!pf->link_up) { 1490 return; 1491 } 1492 1493 ifmr->ifm_status |= IFM_ACTIVE; 1494 /* Hardware is always full-duplex */ 1495 ifmr->ifm_active |= IFM_FDX; 1496 1497 switch (hw->phy.link_info.phy_type) { 1498 /* 100 M */ 1499 case I40E_PHY_TYPE_100BASE_TX: 1500 ifmr->ifm_active |= IFM_100_TX; 1501 break; 1502 /* 1 G */ 1503 case I40E_PHY_TYPE_1000BASE_T: 1504 ifmr->ifm_active |= IFM_1000_T; 1505 break; 1506 case I40E_PHY_TYPE_1000BASE_SX: 1507 ifmr->ifm_active |= IFM_1000_SX; 1508 break; 1509 case I40E_PHY_TYPE_1000BASE_LX: 1510 ifmr->ifm_active |= IFM_1000_LX; 1511 break; 1512 case I40E_PHY_TYPE_1000BASE_T_OPTICAL: 1513 ifmr->ifm_active |= IFM_1000_T; 1514 break; 1515 /* 2.5 G */ 1516 case I40E_PHY_TYPE_2_5GBASE_T_LINK_STATUS: 1517 ifmr->ifm_active |= IFM_2500_T; 1518 break; 1519 /* 5 G */ 1520 case I40E_PHY_TYPE_5GBASE_T_LINK_STATUS: 1521 ifmr->ifm_active |= IFM_5000_T; 1522 break; 1523 /* 10 G */ 1524 case I40E_PHY_TYPE_10GBASE_SFPP_CU: 1525 ifmr->ifm_active |= IFM_10G_TWINAX; 1526 break; 1527 case I40E_PHY_TYPE_10GBASE_SR: 1528 ifmr->ifm_active |= IFM_10G_SR; 1529 break; 1530 case I40E_PHY_TYPE_10GBASE_LR: 1531 ifmr->ifm_active |= IFM_10G_LR; 1532 break; 1533 case I40E_PHY_TYPE_10GBASE_T: 1534 ifmr->ifm_active |= IFM_10G_T; 1535 break; 1536 case I40E_PHY_TYPE_XAUI: 1537 case I40E_PHY_TYPE_XFI: 1538 ifmr->ifm_active |= IFM_10G_TWINAX; 1539 break; 1540 case I40E_PHY_TYPE_10GBASE_AOC: 1541 ifmr->ifm_active |= IFM_10G_AOC; 1542 break; 1543 /* 25 G */ 1544 case I40E_PHY_TYPE_25GBASE_KR: 1545 ifmr->ifm_active |= IFM_25G_KR; 1546 break; 1547 case I40E_PHY_TYPE_25GBASE_CR: 1548 ifmr->ifm_active |= IFM_25G_CR; 1549 break; 1550 case I40E_PHY_TYPE_25GBASE_SR: 1551 ifmr->ifm_active |= IFM_25G_SR; 1552 break; 1553 case I40E_PHY_TYPE_25GBASE_LR: 1554 ifmr->ifm_active |= IFM_25G_LR; 1555 break; 1556 case I40E_PHY_TYPE_25GBASE_AOC: 1557 ifmr->ifm_active |= IFM_25G_AOC; 1558 break; 1559 case I40E_PHY_TYPE_25GBASE_ACC: 1560 ifmr->ifm_active |= IFM_25G_ACC; 1561 break; 1562 /* 40 G */ 1563 case I40E_PHY_TYPE_40GBASE_CR4: 1564 case I40E_PHY_TYPE_40GBASE_CR4_CU: 1565 ifmr->ifm_active |= IFM_40G_CR4; 1566 break; 1567 case I40E_PHY_TYPE_40GBASE_SR4: 1568 ifmr->ifm_active |= IFM_40G_SR4; 1569 break; 1570 case I40E_PHY_TYPE_40GBASE_LR4: 1571 ifmr->ifm_active |= IFM_40G_LR4; 1572 break; 1573 case I40E_PHY_TYPE_XLAUI: 1574 ifmr->ifm_active |= IFM_OTHER; 1575 break; 1576 case I40E_PHY_TYPE_1000BASE_KX: 1577 ifmr->ifm_active |= IFM_1000_KX; 1578 break; 1579 case I40E_PHY_TYPE_SGMII: 1580 ifmr->ifm_active |= IFM_1000_SGMII; 1581 break; 1582 /* ERJ: What's the difference between these? */ 1583 case I40E_PHY_TYPE_10GBASE_CR1_CU: 1584 case I40E_PHY_TYPE_10GBASE_CR1: 1585 ifmr->ifm_active |= IFM_10G_CR1; 1586 break; 1587 case I40E_PHY_TYPE_10GBASE_KX4: 1588 ifmr->ifm_active |= IFM_10G_KX4; 1589 break; 1590 case I40E_PHY_TYPE_10GBASE_KR: 1591 ifmr->ifm_active |= IFM_10G_KR; 1592 break; 1593 case I40E_PHY_TYPE_SFI: 1594 ifmr->ifm_active |= IFM_10G_SFI; 1595 break; 1596 /* Our single 20G media type */ 1597 case I40E_PHY_TYPE_20GBASE_KR2: 1598 ifmr->ifm_active |= IFM_20G_KR2; 1599 break; 1600 case I40E_PHY_TYPE_40GBASE_KR4: 1601 ifmr->ifm_active |= IFM_40G_KR4; 1602 break; 1603 case I40E_PHY_TYPE_XLPPI: 1604 case I40E_PHY_TYPE_40GBASE_AOC: 1605 ifmr->ifm_active |= IFM_40G_XLPPI; 1606 break; 1607 /* Unknown to driver */ 1608 default: 1609 ifmr->ifm_active |= IFM_UNKNOWN; 1610 break; 1611 } 1612 /* Report flow control status as well */ 1613 if (hw->phy.link_info.an_info & I40E_AQ_LINK_PAUSE_TX) 1614 ifmr->ifm_active |= IFM_ETH_TXPAUSE; 1615 if (hw->phy.link_info.an_info & I40E_AQ_LINK_PAUSE_RX) 1616 ifmr->ifm_active |= IFM_ETH_RXPAUSE; 1617 } 1618 1619 static int 1620 ixl_if_media_change(if_ctx_t ctx) 1621 { 1622 struct ifmedia *ifm = iflib_get_media(ctx); 1623 1624 INIT_DEBUGOUT("ixl_media_change: begin"); 1625 1626 if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER) 1627 return (EINVAL); 1628 1629 if_printf(iflib_get_ifp(ctx), "Media change is not supported.\n"); 1630 return (ENODEV); 1631 } 1632 1633 static int 1634 ixl_if_promisc_set(if_ctx_t ctx, int flags) 1635 { 1636 struct ixl_pf *pf = iflib_get_softc(ctx); 1637 struct ixl_vsi *vsi = &pf->vsi; 1638 if_t ifp = iflib_get_ifp(ctx); 1639 struct i40e_hw *hw = vsi->hw; 1640 int err; 1641 bool uni = FALSE, multi = FALSE; 1642 1643 if (flags & IFF_PROMISC) 1644 uni = multi = TRUE; 1645 else if (flags & IFF_ALLMULTI || if_llmaddr_count(ifp) >= 1646 MAX_MULTICAST_ADDR) 1647 multi = TRUE; 1648 1649 err = i40e_aq_set_vsi_unicast_promiscuous(hw, 1650 vsi->seid, uni, NULL, true); 1651 if (err) 1652 return (err); 1653 err = i40e_aq_set_vsi_multicast_promiscuous(hw, 1654 vsi->seid, multi, NULL); 1655 return (err); 1656 } 1657 1658 static void 1659 ixl_if_timer(if_ctx_t ctx, uint16_t qid) 1660 { 1661 struct ixl_pf *pf = iflib_get_softc(ctx); 1662 1663 if (qid != 0) 1664 return; 1665 1666 ixl_update_stats_counters(pf); 1667 } 1668 1669 static void 1670 ixl_if_vlan_register(if_ctx_t ctx, u16 vtag) 1671 { 1672 struct ixl_pf *pf = iflib_get_softc(ctx); 1673 struct ixl_vsi *vsi = &pf->vsi; 1674 struct i40e_hw *hw = vsi->hw; 1675 if_t ifp = iflib_get_ifp(ctx); 1676 1677 if ((vtag == 0) || (vtag > 4095)) /* Invalid */ 1678 return; 1679 1680 /* 1681 * Keep track of registered VLANS to know what 1682 * filters have to be configured when VLAN_HWFILTER 1683 * capability is enabled. 1684 */ 1685 ++vsi->num_vlans; 1686 bit_set(vsi->vlans_map, vtag); 1687 1688 if ((if_getcapenable(ifp) & IFCAP_VLAN_HWFILTER) == 0) 1689 return; 1690 1691 if (vsi->num_vlans < IXL_MAX_VLAN_FILTERS) 1692 ixl_add_filter(vsi, hw->mac.addr, vtag); 1693 else if (vsi->num_vlans == IXL_MAX_VLAN_FILTERS) { 1694 /* 1695 * There is not enough HW resources to add filters 1696 * for all registered VLANs. Re-configure filtering 1697 * to allow reception of all expected traffic. 1698 */ 1699 device_printf(vsi->dev, 1700 "Not enough HW filters for all VLANs. VLAN HW filtering disabled"); 1701 ixl_del_all_vlan_filters(vsi, hw->mac.addr); 1702 ixl_add_filter(vsi, hw->mac.addr, IXL_VLAN_ANY); 1703 } 1704 } 1705 1706 static void 1707 ixl_if_vlan_unregister(if_ctx_t ctx, u16 vtag) 1708 { 1709 struct ixl_pf *pf = iflib_get_softc(ctx); 1710 struct ixl_vsi *vsi = &pf->vsi; 1711 struct i40e_hw *hw = vsi->hw; 1712 if_t ifp = iflib_get_ifp(ctx); 1713 1714 if ((vtag == 0) || (vtag > 4095)) /* Invalid */ 1715 return; 1716 1717 --vsi->num_vlans; 1718 bit_clear(vsi->vlans_map, vtag); 1719 1720 if ((if_getcapenable(ifp) & IFCAP_VLAN_HWFILTER) == 0) 1721 return; 1722 1723 if (vsi->num_vlans < IXL_MAX_VLAN_FILTERS) 1724 ixl_del_filter(vsi, hw->mac.addr, vtag); 1725 else if (vsi->num_vlans == IXL_MAX_VLAN_FILTERS) { 1726 ixl_del_filter(vsi, hw->mac.addr, IXL_VLAN_ANY); 1727 ixl_add_vlan_filters(vsi, hw->mac.addr); 1728 } 1729 } 1730 1731 static uint64_t 1732 ixl_if_get_counter(if_ctx_t ctx, ift_counter cnt) 1733 { 1734 struct ixl_pf *pf = iflib_get_softc(ctx); 1735 struct ixl_vsi *vsi = &pf->vsi; 1736 if_t ifp = iflib_get_ifp(ctx); 1737 1738 switch (cnt) { 1739 case IFCOUNTER_IPACKETS: 1740 return (vsi->ipackets); 1741 case IFCOUNTER_IERRORS: 1742 return (vsi->ierrors); 1743 case IFCOUNTER_OPACKETS: 1744 return (vsi->opackets); 1745 case IFCOUNTER_OERRORS: 1746 return (vsi->oerrors); 1747 case IFCOUNTER_COLLISIONS: 1748 /* Collisions are by standard impossible in 40G/10G Ethernet */ 1749 return (0); 1750 case IFCOUNTER_IBYTES: 1751 return (vsi->ibytes); 1752 case IFCOUNTER_OBYTES: 1753 return (vsi->obytes); 1754 case IFCOUNTER_IMCASTS: 1755 return (vsi->imcasts); 1756 case IFCOUNTER_OMCASTS: 1757 return (vsi->omcasts); 1758 case IFCOUNTER_IQDROPS: 1759 return (vsi->iqdrops); 1760 case IFCOUNTER_OQDROPS: 1761 return (vsi->oqdrops); 1762 case IFCOUNTER_NOPROTO: 1763 return (vsi->noproto); 1764 default: 1765 return (if_get_counter_default(ifp, cnt)); 1766 } 1767 } 1768 1769 #ifdef PCI_IOV 1770 static void 1771 ixl_if_vflr_handle(if_ctx_t ctx) 1772 { 1773 struct ixl_pf *pf = iflib_get_softc(ctx); 1774 1775 ixl_handle_vflr(pf); 1776 } 1777 #endif 1778 1779 static int 1780 ixl_if_i2c_req(if_ctx_t ctx, struct ifi2creq *req) 1781 { 1782 struct ixl_pf *pf = iflib_get_softc(ctx); 1783 1784 if (pf->read_i2c_byte == NULL) 1785 return (EINVAL); 1786 1787 for (int i = 0; i < req->len; i++) 1788 if (pf->read_i2c_byte(pf, req->offset + i, 1789 req->dev_addr, &req->data[i])) 1790 return (EIO); 1791 return (0); 1792 } 1793 1794 static int 1795 ixl_if_priv_ioctl(if_ctx_t ctx, u_long command, caddr_t data) 1796 { 1797 struct ixl_pf *pf = iflib_get_softc(ctx); 1798 struct ifdrv *ifd = (struct ifdrv *)data; 1799 int error = 0; 1800 1801 /* 1802 * The iflib_if_ioctl forwards SIOCxDRVSPEC and SIOGPRIVATE_0 without 1803 * performing privilege checks. It is important that this function 1804 * perform the necessary checks for commands which should only be 1805 * executed by privileged threads. 1806 */ 1807 1808 switch(command) { 1809 case SIOCGDRVSPEC: 1810 case SIOCSDRVSPEC: 1811 /* NVM update command */ 1812 if (ifd->ifd_cmd == I40E_NVM_ACCESS) { 1813 error = priv_check(curthread, PRIV_DRIVER); 1814 if (error) 1815 break; 1816 error = ixl_handle_nvmupd_cmd(pf, ifd); 1817 } else { 1818 error = EINVAL; 1819 } 1820 break; 1821 default: 1822 error = EOPNOTSUPP; 1823 } 1824 1825 return (error); 1826 } 1827 1828 /* ixl_if_needs_restart - Tell iflib when the driver needs to be reinitialized 1829 * @ctx: iflib context 1830 * @event: event code to check 1831 * 1832 * Defaults to returning false for every event. 1833 * 1834 * @returns true if iflib needs to reinit the interface, false otherwise 1835 */ 1836 static bool 1837 ixl_if_needs_restart(if_ctx_t ctx __unused, enum iflib_restart_event event) 1838 { 1839 switch (event) { 1840 case IFLIB_RESTART_VLAN_CONFIG: 1841 default: 1842 return (false); 1843 } 1844 } 1845 1846 /* 1847 * Sanity check and save off tunable values. 1848 */ 1849 static void 1850 ixl_save_pf_tunables(struct ixl_pf *pf) 1851 { 1852 device_t dev = pf->dev; 1853 1854 /* Save tunable information */ 1855 #ifdef IXL_DEBUG_FC 1856 pf->enable_tx_fc_filter = ixl_enable_tx_fc_filter; 1857 #endif 1858 #ifdef IXL_DEBUG 1859 pf->recovery_mode = ixl_debug_recovery_mode; 1860 #endif 1861 pf->dbg_mask = ixl_core_debug_mask; 1862 pf->hw.debug_mask = ixl_shared_debug_mask; 1863 pf->vsi.enable_head_writeback = !!(ixl_enable_head_writeback); 1864 pf->enable_vf_loopback = !!(ixl_enable_vf_loopback); 1865 #if 0 1866 pf->dynamic_rx_itr = ixl_dynamic_rx_itr; 1867 pf->dynamic_tx_itr = ixl_dynamic_tx_itr; 1868 #endif 1869 1870 if (ixl_i2c_access_method > 3 || ixl_i2c_access_method < 0) 1871 pf->i2c_access_method = 0; 1872 else 1873 pf->i2c_access_method = ixl_i2c_access_method; 1874 1875 if (ixl_tx_itr < 0 || ixl_tx_itr > IXL_MAX_ITR) { 1876 device_printf(dev, "Invalid tx_itr value of %d set!\n", 1877 ixl_tx_itr); 1878 device_printf(dev, "tx_itr must be between %d and %d, " 1879 "inclusive\n", 1880 0, IXL_MAX_ITR); 1881 device_printf(dev, "Using default value of %d instead\n", 1882 IXL_ITR_4K); 1883 pf->tx_itr = IXL_ITR_4K; 1884 } else 1885 pf->tx_itr = ixl_tx_itr; 1886 1887 if (ixl_rx_itr < 0 || ixl_rx_itr > IXL_MAX_ITR) { 1888 device_printf(dev, "Invalid rx_itr value of %d set!\n", 1889 ixl_rx_itr); 1890 device_printf(dev, "rx_itr must be between %d and %d, " 1891 "inclusive\n", 1892 0, IXL_MAX_ITR); 1893 device_printf(dev, "Using default value of %d instead\n", 1894 IXL_ITR_8K); 1895 pf->rx_itr = IXL_ITR_8K; 1896 } else 1897 pf->rx_itr = ixl_rx_itr; 1898 1899 pf->fc = -1; 1900 if (ixl_flow_control != -1) { 1901 if (ixl_flow_control < 0 || ixl_flow_control > 3) { 1902 device_printf(dev, 1903 "Invalid flow_control value of %d set!\n", 1904 ixl_flow_control); 1905 device_printf(dev, 1906 "flow_control must be between %d and %d, " 1907 "inclusive\n", 0, 3); 1908 device_printf(dev, 1909 "Using default configuration instead\n"); 1910 } else 1911 pf->fc = ixl_flow_control; 1912 } 1913 } 1914 1915