1 /****************************************************************************** 2 3 Copyright (c) 2001-2017, 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 36 #include "opt_inet.h" 37 #include "opt_inet6.h" 38 #include "opt_rss.h" 39 40 #include "ixgbe.h" 41 #include "ixgbe_sriov.h" 42 #include "ifdi_if.h" 43 44 #include <net/netmap.h> 45 #include <dev/netmap/netmap_kern.h> 46 47 /************************************************************************ 48 * Driver version 49 ************************************************************************/ 50 char ixgbe_driver_version[] = "4.0.1-k"; 51 52 53 /************************************************************************ 54 * PCI Device ID Table 55 * 56 * Used by probe to select devices to load on 57 * Last field stores an index into ixgbe_strings 58 * Last entry must be all 0s 59 * 60 * { Vendor ID, Device ID, SubVendor ID, SubDevice ID, String Index } 61 ************************************************************************/ 62 static pci_vendor_info_t ixgbe_vendor_info_array[] = 63 { 64 PVID(IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598AF_DUAL_PORT, "Intel(R) PRO/10GbE PCI-Express Network Driver"), 65 PVID(IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598AF_SINGLE_PORT, "Intel(R) PRO/10GbE PCI-Express Network Driver"), 66 PVID(IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598EB_CX4, "Intel(R) PRO/10GbE PCI-Express Network Driver"), 67 PVID(IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598AT, "Intel(R) PRO/10GbE PCI-Express Network Driver"), 68 PVID(IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598AT2, "Intel(R) PRO/10GbE PCI-Express Network Driver"), 69 PVID(IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598, "Intel(R) PRO/10GbE PCI-Express Network Driver"), 70 PVID(IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598_DA_DUAL_PORT, "Intel(R) PRO/10GbE PCI-Express Network Driver"), 71 PVID(IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598_CX4_DUAL_PORT, "Intel(R) PRO/10GbE PCI-Express Network Driver"), 72 PVID(IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598EB_XF_LR, "Intel(R) PRO/10GbE PCI-Express Network Driver"), 73 PVID(IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598_SR_DUAL_PORT_EM, "Intel(R) PRO/10GbE PCI-Express Network Driver"), 74 PVID(IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598EB_SFP_LOM, "Intel(R) PRO/10GbE PCI-Express Network Driver"), 75 PVID(IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_KX4, "Intel(R) PRO/10GbE PCI-Express Network Driver"), 76 PVID(IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_KX4_MEZZ, "Intel(R) PRO/10GbE PCI-Express Network Driver"), 77 PVID(IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_SFP, "Intel(R) PRO/10GbE PCI-Express Network Driver"), 78 PVID(IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_XAUI_LOM, "Intel(R) PRO/10GbE PCI-Express Network Driver"), 79 PVID(IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_CX4, "Intel(R) PRO/10GbE PCI-Express Network Driver"), 80 PVID(IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_T3_LOM, "Intel(R) PRO/10GbE PCI-Express Network Driver"), 81 PVID(IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_COMBO_BACKPLANE, "Intel(R) PRO/10GbE PCI-Express Network Driver"), 82 PVID(IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_BACKPLANE_FCOE, "Intel(R) PRO/10GbE PCI-Express Network Driver"), 83 PVID(IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_SFP_SF2, "Intel(R) PRO/10GbE PCI-Express Network Driver"), 84 PVID(IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_SFP_FCOE, "Intel(R) PRO/10GbE PCI-Express Network Driver"), 85 PVID(IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599EN_SFP, "Intel(R) PRO/10GbE PCI-Express Network Driver"), 86 PVID(IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_SFP_SF_QP, "Intel(R) PRO/10GbE PCI-Express Network Driver"), 87 PVID(IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_QSFP_SF_QP, "Intel(R) PRO/10GbE PCI-Express Network Driver"), 88 PVID(IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X540T, "Intel(R) PRO/10GbE PCI-Express Network Driver"), 89 PVID(IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X540T1, "Intel(R) PRO/10GbE PCI-Express Network Driver"), 90 PVID(IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550T, "Intel(R) PRO/10GbE PCI-Express Network Driver"), 91 PVID(IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550T1, "Intel(R) PRO/10GbE PCI-Express Network Driver"), 92 PVID(IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_KR, "Intel(R) PRO/10GbE PCI-Express Network Driver"), 93 PVID(IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_KX4, "Intel(R) PRO/10GbE PCI-Express Network Driver"), 94 PVID(IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_10G_T, "Intel(R) PRO/10GbE PCI-Express Network Driver"), 95 PVID(IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_1G_T, "Intel(R) PRO/10GbE PCI-Express Network Driver"), 96 PVID(IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_SFP, "Intel(R) PRO/10GbE PCI-Express Network Driver"), 97 PVID(IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_KR, "Intel(R) PRO/10GbE PCI-Express Network Driver"), 98 PVID(IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_KR_L, "Intel(R) PRO/10GbE PCI-Express Network Driver"), 99 PVID(IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_SFP, "Intel(R) PRO/10GbE PCI-Express Network Driver"), 100 PVID(IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_SFP_N, "Intel(R) PRO/10GbE PCI-Express Network Driver"), 101 PVID(IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_SGMII, "Intel(R) PRO/10GbE PCI-Express Network Driver"), 102 PVID(IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_SGMII_L, "Intel(R) PRO/10GbE PCI-Express Network Driver"), 103 PVID(IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_10G_T, "Intel(R) PRO/10GbE PCI-Express Network Driver"), 104 PVID(IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_1G_T, "Intel(R) PRO/10GbE PCI-Express Network Driver"), 105 PVID(IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_1G_T_L, "Intel(R) PRO/10GbE PCI-Express Network Driver"), 106 PVID(IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X540_BYPASS, "Intel(R) PRO/10GbE PCI-Express Network Driver"), 107 PVID(IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_BYPASS, "Intel(R) PRO/10GbE PCI-Express Network Driver"), 108 /* required last entry */ 109 PVID_END 110 }; 111 112 static void *ixgbe_register(device_t dev); 113 static int ixgbe_if_attach_pre(if_ctx_t ctx); 114 static int ixgbe_if_attach_post(if_ctx_t ctx); 115 static int ixgbe_if_detach(if_ctx_t ctx); 116 static int ixgbe_if_shutdown(if_ctx_t ctx); 117 static int ixgbe_if_suspend(if_ctx_t ctx); 118 static int ixgbe_if_resume(if_ctx_t ctx); 119 120 static void ixgbe_if_stop(if_ctx_t ctx); 121 void ixgbe_if_enable_intr(if_ctx_t ctx); 122 static void ixgbe_if_disable_intr(if_ctx_t ctx); 123 static void ixgbe_link_intr_enable(if_ctx_t ctx); 124 static int ixgbe_if_rx_queue_intr_enable(if_ctx_t ctx, uint16_t qid); 125 static void ixgbe_if_media_status(if_ctx_t ctx, struct ifmediareq * ifmr); 126 static int ixgbe_if_media_change(if_ctx_t ctx); 127 static int ixgbe_if_msix_intr_assign(if_ctx_t, int); 128 static int ixgbe_if_mtu_set(if_ctx_t ctx, uint32_t mtu); 129 static void ixgbe_if_crcstrip_set(if_ctx_t ctx, int onoff, int strip); 130 static void ixgbe_if_multi_set(if_ctx_t ctx); 131 static int ixgbe_if_promisc_set(if_ctx_t ctx, int flags); 132 static int ixgbe_if_tx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs, 133 uint64_t *paddrs, int nrxqs, int nrxqsets); 134 static int ixgbe_if_rx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs, 135 uint64_t *paddrs, int nrxqs, int nrxqsets); 136 static void ixgbe_if_queues_free(if_ctx_t ctx); 137 static void ixgbe_if_timer(if_ctx_t ctx, uint16_t); 138 static void ixgbe_if_update_admin_status(if_ctx_t ctx); 139 static void ixgbe_if_vlan_register(if_ctx_t ctx, u16 vtag); 140 static void ixgbe_if_vlan_unregister(if_ctx_t ctx, u16 vtag); 141 static int ixgbe_if_i2c_req(if_ctx_t ctx, struct ifi2creq *req); 142 int ixgbe_intr(void *arg); 143 144 /************************************************************************ 145 * Function prototypes 146 ************************************************************************/ 147 #if __FreeBSD_version >= 1100036 148 static uint64_t ixgbe_if_get_counter(if_ctx_t, ift_counter); 149 #endif 150 151 static void ixgbe_enable_queue(struct adapter *adapter, u32 vector); 152 static void ixgbe_disable_queue(struct adapter *adapter, u32 vector); 153 static void ixgbe_add_device_sysctls(if_ctx_t ctx); 154 static int ixgbe_allocate_pci_resources(if_ctx_t ctx); 155 static int ixgbe_setup_low_power_mode(if_ctx_t ctx); 156 157 static void ixgbe_config_dmac(struct adapter *adapter); 158 static void ixgbe_configure_ivars(struct adapter *adapter); 159 static void ixgbe_set_ivar(struct adapter *adapter, u8 entry, u8 vector, 160 s8 type); 161 static u8 *ixgbe_mc_array_itr(struct ixgbe_hw *, u8 **, u32 *); 162 static bool ixgbe_sfp_probe(if_ctx_t ctx); 163 164 static void ixgbe_free_pci_resources(if_ctx_t ctx); 165 166 static int ixgbe_msix_link(void *arg); 167 static int ixgbe_msix_que(void *arg); 168 static void ixgbe_initialize_rss_mapping(struct adapter *adapter); 169 static void ixgbe_initialize_receive_units(if_ctx_t ctx); 170 static void ixgbe_initialize_transmit_units(if_ctx_t ctx); 171 172 static int ixgbe_setup_interface(if_ctx_t ctx); 173 static void ixgbe_init_device_features(struct adapter *adapter); 174 static void ixgbe_check_fan_failure(struct adapter *, u32, bool); 175 static void ixgbe_add_media_types(if_ctx_t ctx); 176 static void ixgbe_update_stats_counters(struct adapter *adapter); 177 static void ixgbe_config_link(if_ctx_t ctx); 178 static void ixgbe_get_slot_info(struct adapter *); 179 static void ixgbe_check_wol_support(struct adapter *adapter); 180 static void ixgbe_enable_rx_drop(struct adapter *); 181 static void ixgbe_disable_rx_drop(struct adapter *); 182 183 static void ixgbe_add_hw_stats(struct adapter *adapter); 184 static int ixgbe_set_flowcntl(struct adapter *, int); 185 static int ixgbe_set_advertise(struct adapter *, int); 186 static int ixgbe_get_advertise(struct adapter *); 187 static void ixgbe_setup_vlan_hw_support(if_ctx_t ctx); 188 static void ixgbe_config_gpie(struct adapter *adapter); 189 static void ixgbe_config_delay_values(struct adapter *adapter); 190 191 /* Sysctl handlers */ 192 static int ixgbe_sysctl_flowcntl(SYSCTL_HANDLER_ARGS); 193 static int ixgbe_sysctl_advertise(SYSCTL_HANDLER_ARGS); 194 static int ixgbe_sysctl_interrupt_rate_handler(SYSCTL_HANDLER_ARGS); 195 static int ixgbe_sysctl_dmac(SYSCTL_HANDLER_ARGS); 196 static int ixgbe_sysctl_phy_temp(SYSCTL_HANDLER_ARGS); 197 static int ixgbe_sysctl_phy_overtemp_occurred(SYSCTL_HANDLER_ARGS); 198 #ifdef IXGBE_DEBUG 199 static int ixgbe_sysctl_power_state(SYSCTL_HANDLER_ARGS); 200 static int ixgbe_sysctl_print_rss_config(SYSCTL_HANDLER_ARGS); 201 #endif 202 static int ixgbe_sysctl_rdh_handler(SYSCTL_HANDLER_ARGS); 203 static int ixgbe_sysctl_rdt_handler(SYSCTL_HANDLER_ARGS); 204 static int ixgbe_sysctl_tdt_handler(SYSCTL_HANDLER_ARGS); 205 static int ixgbe_sysctl_tdh_handler(SYSCTL_HANDLER_ARGS); 206 static int ixgbe_sysctl_eee_state(SYSCTL_HANDLER_ARGS); 207 static int ixgbe_sysctl_wol_enable(SYSCTL_HANDLER_ARGS); 208 static int ixgbe_sysctl_wufc(SYSCTL_HANDLER_ARGS); 209 210 /* Deferred interrupt tasklets */ 211 static void ixgbe_handle_msf(void *); 212 static void ixgbe_handle_mod(void *); 213 static void ixgbe_handle_phy(void *); 214 215 /************************************************************************ 216 * FreeBSD Device Interface Entry Points 217 ************************************************************************/ 218 static device_method_t ix_methods[] = { 219 /* Device interface */ 220 DEVMETHOD(device_register, ixgbe_register), 221 DEVMETHOD(device_probe, iflib_device_probe), 222 DEVMETHOD(device_attach, iflib_device_attach), 223 DEVMETHOD(device_detach, iflib_device_detach), 224 DEVMETHOD(device_shutdown, iflib_device_shutdown), 225 DEVMETHOD(device_suspend, iflib_device_suspend), 226 DEVMETHOD(device_resume, iflib_device_resume), 227 #ifdef PCI_IOV 228 DEVMETHOD(pci_iov_init, iflib_device_iov_init), 229 DEVMETHOD(pci_iov_uninit, iflib_device_iov_uninit), 230 DEVMETHOD(pci_iov_add_vf, iflib_device_iov_add_vf), 231 #endif /* PCI_IOV */ 232 DEVMETHOD_END 233 }; 234 235 static driver_t ix_driver = { 236 "ix", ix_methods, sizeof(struct adapter), 237 }; 238 239 devclass_t ix_devclass; 240 DRIVER_MODULE(ix, pci, ix_driver, ix_devclass, 0, 0); 241 IFLIB_PNP_INFO(pci, ix_driver, ixgbe_vendor_info_array); 242 MODULE_DEPEND(ix, pci, 1, 1, 1); 243 MODULE_DEPEND(ix, ether, 1, 1, 1); 244 MODULE_DEPEND(ix, iflib, 1, 1, 1); 245 246 static device_method_t ixgbe_if_methods[] = { 247 DEVMETHOD(ifdi_attach_pre, ixgbe_if_attach_pre), 248 DEVMETHOD(ifdi_attach_post, ixgbe_if_attach_post), 249 DEVMETHOD(ifdi_detach, ixgbe_if_detach), 250 DEVMETHOD(ifdi_shutdown, ixgbe_if_shutdown), 251 DEVMETHOD(ifdi_suspend, ixgbe_if_suspend), 252 DEVMETHOD(ifdi_resume, ixgbe_if_resume), 253 DEVMETHOD(ifdi_init, ixgbe_if_init), 254 DEVMETHOD(ifdi_stop, ixgbe_if_stop), 255 DEVMETHOD(ifdi_msix_intr_assign, ixgbe_if_msix_intr_assign), 256 DEVMETHOD(ifdi_intr_enable, ixgbe_if_enable_intr), 257 DEVMETHOD(ifdi_intr_disable, ixgbe_if_disable_intr), 258 DEVMETHOD(ifdi_link_intr_enable, ixgbe_link_intr_enable), 259 DEVMETHOD(ifdi_tx_queue_intr_enable, ixgbe_if_rx_queue_intr_enable), 260 DEVMETHOD(ifdi_rx_queue_intr_enable, ixgbe_if_rx_queue_intr_enable), 261 DEVMETHOD(ifdi_tx_queues_alloc, ixgbe_if_tx_queues_alloc), 262 DEVMETHOD(ifdi_rx_queues_alloc, ixgbe_if_rx_queues_alloc), 263 DEVMETHOD(ifdi_queues_free, ixgbe_if_queues_free), 264 DEVMETHOD(ifdi_update_admin_status, ixgbe_if_update_admin_status), 265 DEVMETHOD(ifdi_multi_set, ixgbe_if_multi_set), 266 DEVMETHOD(ifdi_mtu_set, ixgbe_if_mtu_set), 267 DEVMETHOD(ifdi_crcstrip_set, ixgbe_if_crcstrip_set), 268 DEVMETHOD(ifdi_media_status, ixgbe_if_media_status), 269 DEVMETHOD(ifdi_media_change, ixgbe_if_media_change), 270 DEVMETHOD(ifdi_promisc_set, ixgbe_if_promisc_set), 271 DEVMETHOD(ifdi_timer, ixgbe_if_timer), 272 DEVMETHOD(ifdi_vlan_register, ixgbe_if_vlan_register), 273 DEVMETHOD(ifdi_vlan_unregister, ixgbe_if_vlan_unregister), 274 DEVMETHOD(ifdi_get_counter, ixgbe_if_get_counter), 275 DEVMETHOD(ifdi_i2c_req, ixgbe_if_i2c_req), 276 #ifdef PCI_IOV 277 DEVMETHOD(ifdi_iov_init, ixgbe_if_iov_init), 278 DEVMETHOD(ifdi_iov_uninit, ixgbe_if_iov_uninit), 279 DEVMETHOD(ifdi_iov_vf_add, ixgbe_if_iov_vf_add), 280 #endif /* PCI_IOV */ 281 DEVMETHOD_END 282 }; 283 284 /* 285 * TUNEABLE PARAMETERS: 286 */ 287 288 static SYSCTL_NODE(_hw, OID_AUTO, ix, CTLFLAG_RD, 0, "IXGBE driver parameters"); 289 static driver_t ixgbe_if_driver = { 290 "ixgbe_if", ixgbe_if_methods, sizeof(struct adapter) 291 }; 292 293 static int ixgbe_max_interrupt_rate = (4000000 / IXGBE_LOW_LATENCY); 294 SYSCTL_INT(_hw_ix, OID_AUTO, max_interrupt_rate, CTLFLAG_RDTUN, 295 &ixgbe_max_interrupt_rate, 0, "Maximum interrupts per second"); 296 297 /* Flow control setting, default to full */ 298 static int ixgbe_flow_control = ixgbe_fc_full; 299 SYSCTL_INT(_hw_ix, OID_AUTO, flow_control, CTLFLAG_RDTUN, 300 &ixgbe_flow_control, 0, "Default flow control used for all adapters"); 301 302 /* Advertise Speed, default to 0 (auto) */ 303 static int ixgbe_advertise_speed = 0; 304 SYSCTL_INT(_hw_ix, OID_AUTO, advertise_speed, CTLFLAG_RDTUN, 305 &ixgbe_advertise_speed, 0, "Default advertised speed for all adapters"); 306 307 /* 308 * Smart speed setting, default to on 309 * this only works as a compile option 310 * right now as its during attach, set 311 * this to 'ixgbe_smart_speed_off' to 312 * disable. 313 */ 314 static int ixgbe_smart_speed = ixgbe_smart_speed_on; 315 316 /* 317 * MSI-X should be the default for best performance, 318 * but this allows it to be forced off for testing. 319 */ 320 static int ixgbe_enable_msix = 1; 321 SYSCTL_INT(_hw_ix, OID_AUTO, enable_msix, CTLFLAG_RDTUN, &ixgbe_enable_msix, 0, 322 "Enable MSI-X interrupts"); 323 324 /* 325 * Defining this on will allow the use 326 * of unsupported SFP+ modules, note that 327 * doing so you are on your own :) 328 */ 329 static int allow_unsupported_sfp = FALSE; 330 SYSCTL_INT(_hw_ix, OID_AUTO, unsupported_sfp, CTLFLAG_RDTUN, 331 &allow_unsupported_sfp, 0, 332 "Allow unsupported SFP modules...use at your own risk"); 333 334 /* 335 * Not sure if Flow Director is fully baked, 336 * so we'll default to turning it off. 337 */ 338 static int ixgbe_enable_fdir = 0; 339 SYSCTL_INT(_hw_ix, OID_AUTO, enable_fdir, CTLFLAG_RDTUN, &ixgbe_enable_fdir, 0, 340 "Enable Flow Director"); 341 342 /* Receive-Side Scaling */ 343 static int ixgbe_enable_rss = 1; 344 SYSCTL_INT(_hw_ix, OID_AUTO, enable_rss, CTLFLAG_RDTUN, &ixgbe_enable_rss, 0, 345 "Enable Receive-Side Scaling (RSS)"); 346 347 #if 0 348 /* Keep running tab on them for sanity check */ 349 static int ixgbe_total_ports; 350 #endif 351 352 MALLOC_DEFINE(M_IXGBE, "ix", "ix driver allocations"); 353 354 /* 355 * For Flow Director: this is the number of TX packets we sample 356 * for the filter pool, this means every 20th packet will be probed. 357 * 358 * This feature can be disabled by setting this to 0. 359 */ 360 static int atr_sample_rate = 20; 361 362 extern struct if_txrx ixgbe_txrx; 363 364 static struct if_shared_ctx ixgbe_sctx_init = { 365 .isc_magic = IFLIB_MAGIC, 366 .isc_q_align = PAGE_SIZE,/* max(DBA_ALIGN, PAGE_SIZE) */ 367 .isc_tx_maxsize = IXGBE_TSO_SIZE + sizeof(struct ether_vlan_header), 368 .isc_tx_maxsegsize = PAGE_SIZE, 369 .isc_tso_maxsize = IXGBE_TSO_SIZE + sizeof(struct ether_vlan_header), 370 .isc_tso_maxsegsize = PAGE_SIZE, 371 .isc_rx_maxsize = PAGE_SIZE*4, 372 .isc_rx_nsegments = 1, 373 .isc_rx_maxsegsize = PAGE_SIZE*4, 374 .isc_nfl = 1, 375 .isc_ntxqs = 1, 376 .isc_nrxqs = 1, 377 378 .isc_admin_intrcnt = 1, 379 .isc_vendor_info = ixgbe_vendor_info_array, 380 .isc_driver_version = ixgbe_driver_version, 381 .isc_driver = &ixgbe_if_driver, 382 .isc_flags = IFLIB_TSO_INIT_IP, 383 384 .isc_nrxd_min = {MIN_RXD}, 385 .isc_ntxd_min = {MIN_TXD}, 386 .isc_nrxd_max = {MAX_RXD}, 387 .isc_ntxd_max = {MAX_TXD}, 388 .isc_nrxd_default = {DEFAULT_RXD}, 389 .isc_ntxd_default = {DEFAULT_TXD}, 390 }; 391 392 if_shared_ctx_t ixgbe_sctx = &ixgbe_sctx_init; 393 394 /************************************************************************ 395 * ixgbe_if_tx_queues_alloc 396 ************************************************************************/ 397 static int 398 ixgbe_if_tx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs, uint64_t *paddrs, 399 int ntxqs, int ntxqsets) 400 { 401 struct adapter *adapter = iflib_get_softc(ctx); 402 if_softc_ctx_t scctx = adapter->shared; 403 struct ix_tx_queue *que; 404 int i, j, error; 405 406 MPASS(adapter->num_tx_queues > 0); 407 MPASS(adapter->num_tx_queues == ntxqsets); 408 MPASS(ntxqs == 1); 409 410 /* Allocate queue structure memory */ 411 adapter->tx_queues = 412 (struct ix_tx_queue *)malloc(sizeof(struct ix_tx_queue) * ntxqsets, 413 M_IXGBE, M_NOWAIT | M_ZERO); 414 if (!adapter->tx_queues) { 415 device_printf(iflib_get_dev(ctx), 416 "Unable to allocate TX ring memory\n"); 417 return (ENOMEM); 418 } 419 420 for (i = 0, que = adapter->tx_queues; i < ntxqsets; i++, que++) { 421 struct tx_ring *txr = &que->txr; 422 423 /* In case SR-IOV is enabled, align the index properly */ 424 txr->me = ixgbe_vf_que_index(adapter->iov_mode, adapter->pool, 425 i); 426 427 txr->adapter = que->adapter = adapter; 428 429 /* Allocate report status array */ 430 txr->tx_rsq = (qidx_t *)malloc(sizeof(qidx_t) * scctx->isc_ntxd[0], M_IXGBE, M_NOWAIT | M_ZERO); 431 if (txr->tx_rsq == NULL) { 432 error = ENOMEM; 433 goto fail; 434 } 435 for (j = 0; j < scctx->isc_ntxd[0]; j++) 436 txr->tx_rsq[j] = QIDX_INVALID; 437 /* get the virtual and physical address of the hardware queues */ 438 txr->tail = IXGBE_TDT(txr->me); 439 txr->tx_base = (union ixgbe_adv_tx_desc *)vaddrs[i]; 440 txr->tx_paddr = paddrs[i]; 441 442 txr->bytes = 0; 443 txr->total_packets = 0; 444 445 /* Set the rate at which we sample packets */ 446 if (adapter->feat_en & IXGBE_FEATURE_FDIR) 447 txr->atr_sample = atr_sample_rate; 448 449 } 450 451 device_printf(iflib_get_dev(ctx), "allocated for %d queues\n", 452 adapter->num_tx_queues); 453 454 return (0); 455 456 fail: 457 ixgbe_if_queues_free(ctx); 458 459 return (error); 460 } /* ixgbe_if_tx_queues_alloc */ 461 462 /************************************************************************ 463 * ixgbe_if_rx_queues_alloc 464 ************************************************************************/ 465 static int 466 ixgbe_if_rx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs, uint64_t *paddrs, 467 int nrxqs, int nrxqsets) 468 { 469 struct adapter *adapter = iflib_get_softc(ctx); 470 struct ix_rx_queue *que; 471 int i; 472 473 MPASS(adapter->num_rx_queues > 0); 474 MPASS(adapter->num_rx_queues == nrxqsets); 475 MPASS(nrxqs == 1); 476 477 /* Allocate queue structure memory */ 478 adapter->rx_queues = 479 (struct ix_rx_queue *)malloc(sizeof(struct ix_rx_queue)*nrxqsets, 480 M_IXGBE, M_NOWAIT | M_ZERO); 481 if (!adapter->rx_queues) { 482 device_printf(iflib_get_dev(ctx), 483 "Unable to allocate TX ring memory\n"); 484 return (ENOMEM); 485 } 486 487 for (i = 0, que = adapter->rx_queues; i < nrxqsets; i++, que++) { 488 struct rx_ring *rxr = &que->rxr; 489 490 /* In case SR-IOV is enabled, align the index properly */ 491 rxr->me = ixgbe_vf_que_index(adapter->iov_mode, adapter->pool, 492 i); 493 494 rxr->adapter = que->adapter = adapter; 495 496 /* get the virtual and physical address of the hw queues */ 497 rxr->tail = IXGBE_RDT(rxr->me); 498 rxr->rx_base = (union ixgbe_adv_rx_desc *)vaddrs[i]; 499 rxr->rx_paddr = paddrs[i]; 500 rxr->bytes = 0; 501 rxr->que = que; 502 } 503 504 device_printf(iflib_get_dev(ctx), "allocated for %d rx queues\n", 505 adapter->num_rx_queues); 506 507 return (0); 508 } /* ixgbe_if_rx_queues_alloc */ 509 510 /************************************************************************ 511 * ixgbe_if_queues_free 512 ************************************************************************/ 513 static void 514 ixgbe_if_queues_free(if_ctx_t ctx) 515 { 516 struct adapter *adapter = iflib_get_softc(ctx); 517 struct ix_tx_queue *tx_que = adapter->tx_queues; 518 struct ix_rx_queue *rx_que = adapter->rx_queues; 519 int i; 520 521 if (tx_que != NULL) { 522 for (i = 0; i < adapter->num_tx_queues; i++, tx_que++) { 523 struct tx_ring *txr = &tx_que->txr; 524 if (txr->tx_rsq == NULL) 525 break; 526 527 free(txr->tx_rsq, M_IXGBE); 528 txr->tx_rsq = NULL; 529 } 530 531 free(adapter->tx_queues, M_IXGBE); 532 adapter->tx_queues = NULL; 533 } 534 if (rx_que != NULL) { 535 free(adapter->rx_queues, M_IXGBE); 536 adapter->rx_queues = NULL; 537 } 538 } /* ixgbe_if_queues_free */ 539 540 /************************************************************************ 541 * ixgbe_initialize_rss_mapping 542 ************************************************************************/ 543 static void 544 ixgbe_initialize_rss_mapping(struct adapter *adapter) 545 { 546 struct ixgbe_hw *hw = &adapter->hw; 547 u32 reta = 0, mrqc, rss_key[10]; 548 int queue_id, table_size, index_mult; 549 int i, j; 550 u32 rss_hash_config; 551 552 if (adapter->feat_en & IXGBE_FEATURE_RSS) { 553 /* Fetch the configured RSS key */ 554 rss_getkey((uint8_t *)&rss_key); 555 } else { 556 /* set up random bits */ 557 arc4rand(&rss_key, sizeof(rss_key), 0); 558 } 559 560 /* Set multiplier for RETA setup and table size based on MAC */ 561 index_mult = 0x1; 562 table_size = 128; 563 switch (adapter->hw.mac.type) { 564 case ixgbe_mac_82598EB: 565 index_mult = 0x11; 566 break; 567 case ixgbe_mac_X550: 568 case ixgbe_mac_X550EM_x: 569 case ixgbe_mac_X550EM_a: 570 table_size = 512; 571 break; 572 default: 573 break; 574 } 575 576 /* Set up the redirection table */ 577 for (i = 0, j = 0; i < table_size; i++, j++) { 578 if (j == adapter->num_rx_queues) 579 j = 0; 580 581 if (adapter->feat_en & IXGBE_FEATURE_RSS) { 582 /* 583 * Fetch the RSS bucket id for the given indirection 584 * entry. Cap it at the number of configured buckets 585 * (which is num_rx_queues.) 586 */ 587 queue_id = rss_get_indirection_to_bucket(i); 588 queue_id = queue_id % adapter->num_rx_queues; 589 } else 590 queue_id = (j * index_mult); 591 592 /* 593 * The low 8 bits are for hash value (n+0); 594 * The next 8 bits are for hash value (n+1), etc. 595 */ 596 reta = reta >> 8; 597 reta = reta | (((uint32_t)queue_id) << 24); 598 if ((i & 3) == 3) { 599 if (i < 128) 600 IXGBE_WRITE_REG(hw, IXGBE_RETA(i >> 2), reta); 601 else 602 IXGBE_WRITE_REG(hw, IXGBE_ERETA((i >> 2) - 32), 603 reta); 604 reta = 0; 605 } 606 } 607 608 /* Now fill our hash function seeds */ 609 for (i = 0; i < 10; i++) 610 IXGBE_WRITE_REG(hw, IXGBE_RSSRK(i), rss_key[i]); 611 612 /* Perform hash on these packet types */ 613 if (adapter->feat_en & IXGBE_FEATURE_RSS) 614 rss_hash_config = rss_gethashconfig(); 615 else { 616 /* 617 * Disable UDP - IP fragments aren't currently being handled 618 * and so we end up with a mix of 2-tuple and 4-tuple 619 * traffic. 620 */ 621 rss_hash_config = RSS_HASHTYPE_RSS_IPV4 622 | RSS_HASHTYPE_RSS_TCP_IPV4 623 | RSS_HASHTYPE_RSS_IPV6 624 | RSS_HASHTYPE_RSS_TCP_IPV6 625 | RSS_HASHTYPE_RSS_IPV6_EX 626 | RSS_HASHTYPE_RSS_TCP_IPV6_EX; 627 } 628 629 mrqc = IXGBE_MRQC_RSSEN; 630 if (rss_hash_config & RSS_HASHTYPE_RSS_IPV4) 631 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4; 632 if (rss_hash_config & RSS_HASHTYPE_RSS_TCP_IPV4) 633 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4_TCP; 634 if (rss_hash_config & RSS_HASHTYPE_RSS_IPV6) 635 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6; 636 if (rss_hash_config & RSS_HASHTYPE_RSS_TCP_IPV6) 637 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_TCP; 638 if (rss_hash_config & RSS_HASHTYPE_RSS_IPV6_EX) 639 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_EX; 640 if (rss_hash_config & RSS_HASHTYPE_RSS_TCP_IPV6_EX) 641 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_EX_TCP; 642 if (rss_hash_config & RSS_HASHTYPE_RSS_UDP_IPV4) 643 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4_UDP; 644 if (rss_hash_config & RSS_HASHTYPE_RSS_UDP_IPV6) 645 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_UDP; 646 if (rss_hash_config & RSS_HASHTYPE_RSS_UDP_IPV6_EX) 647 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_EX_UDP; 648 mrqc |= ixgbe_get_mrqc(adapter->iov_mode); 649 IXGBE_WRITE_REG(hw, IXGBE_MRQC, mrqc); 650 } /* ixgbe_initialize_rss_mapping */ 651 652 /************************************************************************ 653 * ixgbe_initialize_receive_units - Setup receive registers and features. 654 ************************************************************************/ 655 #define BSIZEPKT_ROUNDUP ((1<<IXGBE_SRRCTL_BSIZEPKT_SHIFT)-1) 656 657 static void 658 ixgbe_initialize_receive_units(if_ctx_t ctx) 659 { 660 struct adapter *adapter = iflib_get_softc(ctx); 661 if_softc_ctx_t scctx = adapter->shared; 662 struct ixgbe_hw *hw = &adapter->hw; 663 struct ifnet *ifp = iflib_get_ifp(ctx); 664 struct ix_rx_queue *que; 665 int i, j; 666 u32 bufsz, fctrl, srrctl, rxcsum; 667 u32 hlreg; 668 669 /* 670 * Make sure receives are disabled while 671 * setting up the descriptor ring 672 */ 673 ixgbe_disable_rx(hw); 674 675 /* Enable broadcasts */ 676 fctrl = IXGBE_READ_REG(hw, IXGBE_FCTRL); 677 fctrl |= IXGBE_FCTRL_BAM; 678 if (adapter->hw.mac.type == ixgbe_mac_82598EB) { 679 fctrl |= IXGBE_FCTRL_DPF; 680 fctrl |= IXGBE_FCTRL_PMCF; 681 } 682 IXGBE_WRITE_REG(hw, IXGBE_FCTRL, fctrl); 683 684 /* Set for Jumbo Frames? */ 685 hlreg = IXGBE_READ_REG(hw, IXGBE_HLREG0); 686 if (ifp->if_mtu > ETHERMTU) 687 hlreg |= IXGBE_HLREG0_JUMBOEN; 688 else 689 hlreg &= ~IXGBE_HLREG0_JUMBOEN; 690 IXGBE_WRITE_REG(hw, IXGBE_HLREG0, hlreg); 691 692 bufsz = (adapter->rx_mbuf_sz + BSIZEPKT_ROUNDUP) >> 693 IXGBE_SRRCTL_BSIZEPKT_SHIFT; 694 695 /* Setup the Base and Length of the Rx Descriptor Ring */ 696 for (i = 0, que = adapter->rx_queues; i < adapter->num_rx_queues; i++, que++) { 697 struct rx_ring *rxr = &que->rxr; 698 u64 rdba = rxr->rx_paddr; 699 700 j = rxr->me; 701 702 /* Setup the Base and Length of the Rx Descriptor Ring */ 703 IXGBE_WRITE_REG(hw, IXGBE_RDBAL(j), 704 (rdba & 0x00000000ffffffffULL)); 705 IXGBE_WRITE_REG(hw, IXGBE_RDBAH(j), (rdba >> 32)); 706 IXGBE_WRITE_REG(hw, IXGBE_RDLEN(j), 707 scctx->isc_nrxd[0] * sizeof(union ixgbe_adv_rx_desc)); 708 709 /* Set up the SRRCTL register */ 710 srrctl = IXGBE_READ_REG(hw, IXGBE_SRRCTL(j)); 711 srrctl &= ~IXGBE_SRRCTL_BSIZEHDR_MASK; 712 srrctl &= ~IXGBE_SRRCTL_BSIZEPKT_MASK; 713 srrctl |= bufsz; 714 srrctl |= IXGBE_SRRCTL_DESCTYPE_ADV_ONEBUF; 715 716 /* 717 * Set DROP_EN iff we have no flow control and >1 queue. 718 * Note that srrctl was cleared shortly before during reset, 719 * so we do not need to clear the bit, but do it just in case 720 * this code is moved elsewhere. 721 */ 722 if (adapter->num_rx_queues > 1 && 723 adapter->hw.fc.requested_mode == ixgbe_fc_none) { 724 srrctl |= IXGBE_SRRCTL_DROP_EN; 725 } else { 726 srrctl &= ~IXGBE_SRRCTL_DROP_EN; 727 } 728 729 IXGBE_WRITE_REG(hw, IXGBE_SRRCTL(j), srrctl); 730 731 /* Setup the HW Rx Head and Tail Descriptor Pointers */ 732 IXGBE_WRITE_REG(hw, IXGBE_RDH(j), 0); 733 IXGBE_WRITE_REG(hw, IXGBE_RDT(j), 0); 734 735 /* Set the driver rx tail address */ 736 rxr->tail = IXGBE_RDT(rxr->me); 737 } 738 739 if (adapter->hw.mac.type != ixgbe_mac_82598EB) { 740 u32 psrtype = IXGBE_PSRTYPE_TCPHDR 741 | IXGBE_PSRTYPE_UDPHDR 742 | IXGBE_PSRTYPE_IPV4HDR 743 | IXGBE_PSRTYPE_IPV6HDR; 744 IXGBE_WRITE_REG(hw, IXGBE_PSRTYPE(0), psrtype); 745 } 746 747 rxcsum = IXGBE_READ_REG(hw, IXGBE_RXCSUM); 748 749 ixgbe_initialize_rss_mapping(adapter); 750 751 if (adapter->num_rx_queues > 1) { 752 /* RSS and RX IPP Checksum are mutually exclusive */ 753 rxcsum |= IXGBE_RXCSUM_PCSD; 754 } 755 756 if (ifp->if_capenable & IFCAP_RXCSUM) 757 rxcsum |= IXGBE_RXCSUM_PCSD; 758 759 /* This is useful for calculating UDP/IP fragment checksums */ 760 if (!(rxcsum & IXGBE_RXCSUM_PCSD)) 761 rxcsum |= IXGBE_RXCSUM_IPPCSE; 762 763 IXGBE_WRITE_REG(hw, IXGBE_RXCSUM, rxcsum); 764 765 } /* ixgbe_initialize_receive_units */ 766 767 /************************************************************************ 768 * ixgbe_initialize_transmit_units - Enable transmit units. 769 ************************************************************************/ 770 static void 771 ixgbe_initialize_transmit_units(if_ctx_t ctx) 772 { 773 struct adapter *adapter = iflib_get_softc(ctx); 774 struct ixgbe_hw *hw = &adapter->hw; 775 if_softc_ctx_t scctx = adapter->shared; 776 struct ix_tx_queue *que; 777 int i; 778 779 /* Setup the Base and Length of the Tx Descriptor Ring */ 780 for (i = 0, que = adapter->tx_queues; i < adapter->num_tx_queues; 781 i++, que++) { 782 struct tx_ring *txr = &que->txr; 783 u64 tdba = txr->tx_paddr; 784 u32 txctrl = 0; 785 int j = txr->me; 786 787 IXGBE_WRITE_REG(hw, IXGBE_TDBAL(j), 788 (tdba & 0x00000000ffffffffULL)); 789 IXGBE_WRITE_REG(hw, IXGBE_TDBAH(j), (tdba >> 32)); 790 IXGBE_WRITE_REG(hw, IXGBE_TDLEN(j), 791 scctx->isc_ntxd[0] * sizeof(union ixgbe_adv_tx_desc)); 792 793 /* Setup the HW Tx Head and Tail descriptor pointers */ 794 IXGBE_WRITE_REG(hw, IXGBE_TDH(j), 0); 795 IXGBE_WRITE_REG(hw, IXGBE_TDT(j), 0); 796 797 /* Cache the tail address */ 798 txr->tail = IXGBE_TDT(txr->me); 799 800 txr->tx_rs_cidx = txr->tx_rs_pidx; 801 txr->tx_cidx_processed = scctx->isc_ntxd[0] - 1; 802 for (int k = 0; k < scctx->isc_ntxd[0]; k++) 803 txr->tx_rsq[k] = QIDX_INVALID; 804 805 /* Disable Head Writeback */ 806 /* 807 * Note: for X550 series devices, these registers are actually 808 * prefixed with TPH_ isntead of DCA_, but the addresses and 809 * fields remain the same. 810 */ 811 switch (hw->mac.type) { 812 case ixgbe_mac_82598EB: 813 txctrl = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(j)); 814 break; 815 default: 816 txctrl = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL_82599(j)); 817 break; 818 } 819 txctrl &= ~IXGBE_DCA_TXCTRL_DESC_WRO_EN; 820 switch (hw->mac.type) { 821 case ixgbe_mac_82598EB: 822 IXGBE_WRITE_REG(hw, IXGBE_DCA_TXCTRL(j), txctrl); 823 break; 824 default: 825 IXGBE_WRITE_REG(hw, IXGBE_DCA_TXCTRL_82599(j), txctrl); 826 break; 827 } 828 829 } 830 831 if (hw->mac.type != ixgbe_mac_82598EB) { 832 u32 dmatxctl, rttdcs; 833 834 dmatxctl = IXGBE_READ_REG(hw, IXGBE_DMATXCTL); 835 dmatxctl |= IXGBE_DMATXCTL_TE; 836 IXGBE_WRITE_REG(hw, IXGBE_DMATXCTL, dmatxctl); 837 /* Disable arbiter to set MTQC */ 838 rttdcs = IXGBE_READ_REG(hw, IXGBE_RTTDCS); 839 rttdcs |= IXGBE_RTTDCS_ARBDIS; 840 IXGBE_WRITE_REG(hw, IXGBE_RTTDCS, rttdcs); 841 IXGBE_WRITE_REG(hw, IXGBE_MTQC, 842 ixgbe_get_mtqc(adapter->iov_mode)); 843 rttdcs &= ~IXGBE_RTTDCS_ARBDIS; 844 IXGBE_WRITE_REG(hw, IXGBE_RTTDCS, rttdcs); 845 } 846 847 } /* ixgbe_initialize_transmit_units */ 848 849 /************************************************************************ 850 * ixgbe_register 851 ************************************************************************/ 852 static void * 853 ixgbe_register(device_t dev) 854 { 855 return (ixgbe_sctx); 856 } /* ixgbe_register */ 857 858 /************************************************************************ 859 * ixgbe_if_attach_pre - Device initialization routine, part 1 860 * 861 * Called when the driver is being loaded. 862 * Identifies the type of hardware, initializes the hardware, 863 * and initializes iflib structures. 864 * 865 * return 0 on success, positive on failure 866 ************************************************************************/ 867 static int 868 ixgbe_if_attach_pre(if_ctx_t ctx) 869 { 870 struct adapter *adapter; 871 device_t dev; 872 if_softc_ctx_t scctx; 873 struct ixgbe_hw *hw; 874 int error = 0; 875 u32 ctrl_ext; 876 877 INIT_DEBUGOUT("ixgbe_attach: begin"); 878 879 /* Allocate, clear, and link in our adapter structure */ 880 dev = iflib_get_dev(ctx); 881 adapter = iflib_get_softc(ctx); 882 adapter->hw.back = adapter; 883 adapter->ctx = ctx; 884 adapter->dev = dev; 885 scctx = adapter->shared = iflib_get_softc_ctx(ctx); 886 adapter->media = iflib_get_media(ctx); 887 hw = &adapter->hw; 888 889 /* Determine hardware revision */ 890 hw->vendor_id = pci_get_vendor(dev); 891 hw->device_id = pci_get_device(dev); 892 hw->revision_id = pci_get_revid(dev); 893 hw->subsystem_vendor_id = pci_get_subvendor(dev); 894 hw->subsystem_device_id = pci_get_subdevice(dev); 895 896 /* Do base PCI setup - map BAR0 */ 897 if (ixgbe_allocate_pci_resources(ctx)) { 898 device_printf(dev, "Allocation of PCI resources failed\n"); 899 return (ENXIO); 900 } 901 902 /* let hardware know driver is loaded */ 903 ctrl_ext = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT); 904 ctrl_ext |= IXGBE_CTRL_EXT_DRV_LOAD; 905 IXGBE_WRITE_REG(hw, IXGBE_CTRL_EXT, ctrl_ext); 906 907 /* 908 * Initialize the shared code 909 */ 910 if (ixgbe_init_shared_code(hw) != 0) { 911 device_printf(dev, "Unable to initialize the shared code\n"); 912 error = ENXIO; 913 goto err_pci; 914 } 915 916 if (hw->mbx.ops.init_params) 917 hw->mbx.ops.init_params(hw); 918 919 hw->allow_unsupported_sfp = allow_unsupported_sfp; 920 921 if (hw->mac.type != ixgbe_mac_82598EB) 922 hw->phy.smart_speed = ixgbe_smart_speed; 923 924 ixgbe_init_device_features(adapter); 925 926 /* Enable WoL (if supported) */ 927 ixgbe_check_wol_support(adapter); 928 929 /* Verify adapter fan is still functional (if applicable) */ 930 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) { 931 u32 esdp = IXGBE_READ_REG(hw, IXGBE_ESDP); 932 ixgbe_check_fan_failure(adapter, esdp, FALSE); 933 } 934 935 /* Ensure SW/FW semaphore is free */ 936 ixgbe_init_swfw_semaphore(hw); 937 938 /* Set an initial default flow control value */ 939 hw->fc.requested_mode = ixgbe_flow_control; 940 941 hw->phy.reset_if_overtemp = TRUE; 942 error = ixgbe_reset_hw(hw); 943 hw->phy.reset_if_overtemp = FALSE; 944 if (error == IXGBE_ERR_SFP_NOT_PRESENT) { 945 /* 946 * No optics in this port, set up 947 * so the timer routine will probe 948 * for later insertion. 949 */ 950 adapter->sfp_probe = TRUE; 951 error = 0; 952 } else if (error == IXGBE_ERR_SFP_NOT_SUPPORTED) { 953 device_printf(dev, "Unsupported SFP+ module detected!\n"); 954 error = EIO; 955 goto err_pci; 956 } else if (error) { 957 device_printf(dev, "Hardware initialization failed\n"); 958 error = EIO; 959 goto err_pci; 960 } 961 962 /* Make sure we have a good EEPROM before we read from it */ 963 if (ixgbe_validate_eeprom_checksum(&adapter->hw, NULL) < 0) { 964 device_printf(dev, "The EEPROM Checksum Is Not Valid\n"); 965 error = EIO; 966 goto err_pci; 967 } 968 969 error = ixgbe_start_hw(hw); 970 switch (error) { 971 case IXGBE_ERR_EEPROM_VERSION: 972 device_printf(dev, "This device is a pre-production adapter/LOM. Please be aware there may be issues associated with your hardware.\nIf you are experiencing problems please contact your Intel or hardware representative who provided you with this hardware.\n"); 973 break; 974 case IXGBE_ERR_SFP_NOT_SUPPORTED: 975 device_printf(dev, "Unsupported SFP+ Module\n"); 976 error = EIO; 977 goto err_pci; 978 case IXGBE_ERR_SFP_NOT_PRESENT: 979 device_printf(dev, "No SFP+ Module found\n"); 980 /* falls thru */ 981 default: 982 break; 983 } 984 985 /* Most of the iflib initialization... */ 986 987 iflib_set_mac(ctx, hw->mac.addr); 988 switch (adapter->hw.mac.type) { 989 case ixgbe_mac_X550: 990 case ixgbe_mac_X550EM_x: 991 case ixgbe_mac_X550EM_a: 992 scctx->isc_rss_table_size = 512; 993 scctx->isc_ntxqsets_max = scctx->isc_nrxqsets_max = 64; 994 break; 995 default: 996 scctx->isc_rss_table_size = 128; 997 scctx->isc_ntxqsets_max = scctx->isc_nrxqsets_max = 16; 998 } 999 1000 /* Allow legacy interrupts */ 1001 ixgbe_txrx.ift_legacy_intr = ixgbe_intr; 1002 1003 scctx->isc_txqsizes[0] = 1004 roundup2(scctx->isc_ntxd[0] * sizeof(union ixgbe_adv_tx_desc) + 1005 sizeof(u32), DBA_ALIGN), 1006 scctx->isc_rxqsizes[0] = 1007 roundup2(scctx->isc_nrxd[0] * sizeof(union ixgbe_adv_rx_desc), 1008 DBA_ALIGN); 1009 1010 /* XXX */ 1011 scctx->isc_tx_csum_flags = CSUM_IP | CSUM_TCP | CSUM_UDP | CSUM_TSO | 1012 CSUM_IP6_TCP | CSUM_IP6_UDP | CSUM_IP6_TSO; 1013 if (adapter->hw.mac.type == ixgbe_mac_82598EB) { 1014 scctx->isc_tx_nsegments = IXGBE_82598_SCATTER; 1015 } else { 1016 scctx->isc_tx_csum_flags |= CSUM_SCTP |CSUM_IP6_SCTP; 1017 scctx->isc_tx_nsegments = IXGBE_82599_SCATTER; 1018 } 1019 1020 scctx->isc_msix_bar = pci_msix_table_bar(dev); 1021 1022 scctx->isc_tx_tso_segments_max = scctx->isc_tx_nsegments; 1023 scctx->isc_tx_tso_size_max = IXGBE_TSO_SIZE; 1024 scctx->isc_tx_tso_segsize_max = PAGE_SIZE; 1025 1026 scctx->isc_txrx = &ixgbe_txrx; 1027 1028 scctx->isc_capabilities = scctx->isc_capenable = IXGBE_CAPS; 1029 1030 return (0); 1031 1032 err_pci: 1033 ctrl_ext = IXGBE_READ_REG(&adapter->hw, IXGBE_CTRL_EXT); 1034 ctrl_ext &= ~IXGBE_CTRL_EXT_DRV_LOAD; 1035 IXGBE_WRITE_REG(&adapter->hw, IXGBE_CTRL_EXT, ctrl_ext); 1036 ixgbe_free_pci_resources(ctx); 1037 1038 return (error); 1039 } /* ixgbe_if_attach_pre */ 1040 1041 /********************************************************************* 1042 * ixgbe_if_attach_post - Device initialization routine, part 2 1043 * 1044 * Called during driver load, but after interrupts and 1045 * resources have been allocated and configured. 1046 * Sets up some data structures not relevant to iflib. 1047 * 1048 * return 0 on success, positive on failure 1049 *********************************************************************/ 1050 static int 1051 ixgbe_if_attach_post(if_ctx_t ctx) 1052 { 1053 device_t dev; 1054 struct adapter *adapter; 1055 struct ixgbe_hw *hw; 1056 int error = 0; 1057 1058 dev = iflib_get_dev(ctx); 1059 adapter = iflib_get_softc(ctx); 1060 hw = &adapter->hw; 1061 1062 1063 if (adapter->intr_type == IFLIB_INTR_LEGACY && 1064 (adapter->feat_cap & IXGBE_FEATURE_LEGACY_IRQ) == 0) { 1065 device_printf(dev, "Device does not support legacy interrupts"); 1066 error = ENXIO; 1067 goto err; 1068 } 1069 1070 /* Allocate multicast array memory. */ 1071 adapter->mta = malloc(sizeof(*adapter->mta) * 1072 MAX_NUM_MULTICAST_ADDRESSES, M_IXGBE, M_NOWAIT); 1073 if (adapter->mta == NULL) { 1074 device_printf(dev, "Can not allocate multicast setup array\n"); 1075 error = ENOMEM; 1076 goto err; 1077 } 1078 1079 /* hw.ix defaults init */ 1080 ixgbe_set_advertise(adapter, ixgbe_advertise_speed); 1081 1082 /* Enable the optics for 82599 SFP+ fiber */ 1083 ixgbe_enable_tx_laser(hw); 1084 1085 /* Enable power to the phy. */ 1086 ixgbe_set_phy_power(hw, TRUE); 1087 1088 ixgbe_initialize_iov(adapter); 1089 1090 error = ixgbe_setup_interface(ctx); 1091 if (error) { 1092 device_printf(dev, "Interface setup failed: %d\n", error); 1093 goto err; 1094 } 1095 1096 ixgbe_if_update_admin_status(ctx); 1097 1098 /* Initialize statistics */ 1099 ixgbe_update_stats_counters(adapter); 1100 ixgbe_add_hw_stats(adapter); 1101 1102 /* Check PCIE slot type/speed/width */ 1103 ixgbe_get_slot_info(adapter); 1104 1105 /* 1106 * Do time init and sysctl init here, but 1107 * only on the first port of a bypass adapter. 1108 */ 1109 ixgbe_bypass_init(adapter); 1110 1111 /* Set an initial dmac value */ 1112 adapter->dmac = 0; 1113 /* Set initial advertised speeds (if applicable) */ 1114 adapter->advertise = ixgbe_get_advertise(adapter); 1115 1116 if (adapter->feat_cap & IXGBE_FEATURE_SRIOV) 1117 ixgbe_define_iov_schemas(dev, &error); 1118 1119 /* Add sysctls */ 1120 ixgbe_add_device_sysctls(ctx); 1121 1122 return (0); 1123 err: 1124 return (error); 1125 } /* ixgbe_if_attach_post */ 1126 1127 /************************************************************************ 1128 * ixgbe_check_wol_support 1129 * 1130 * Checks whether the adapter's ports are capable of 1131 * Wake On LAN by reading the adapter's NVM. 1132 * 1133 * Sets each port's hw->wol_enabled value depending 1134 * on the value read here. 1135 ************************************************************************/ 1136 static void 1137 ixgbe_check_wol_support(struct adapter *adapter) 1138 { 1139 struct ixgbe_hw *hw = &adapter->hw; 1140 u16 dev_caps = 0; 1141 1142 /* Find out WoL support for port */ 1143 adapter->wol_support = hw->wol_enabled = 0; 1144 ixgbe_get_device_caps(hw, &dev_caps); 1145 if ((dev_caps & IXGBE_DEVICE_CAPS_WOL_PORT0_1) || 1146 ((dev_caps & IXGBE_DEVICE_CAPS_WOL_PORT0) && 1147 hw->bus.func == 0)) 1148 adapter->wol_support = hw->wol_enabled = 1; 1149 1150 /* Save initial wake up filter configuration */ 1151 adapter->wufc = IXGBE_READ_REG(hw, IXGBE_WUFC); 1152 1153 return; 1154 } /* ixgbe_check_wol_support */ 1155 1156 /************************************************************************ 1157 * ixgbe_setup_interface 1158 * 1159 * Setup networking device structure and register an interface. 1160 ************************************************************************/ 1161 static int 1162 ixgbe_setup_interface(if_ctx_t ctx) 1163 { 1164 struct ifnet *ifp = iflib_get_ifp(ctx); 1165 struct adapter *adapter = iflib_get_softc(ctx); 1166 1167 INIT_DEBUGOUT("ixgbe_setup_interface: begin"); 1168 1169 if_setbaudrate(ifp, IF_Gbps(10)); 1170 1171 adapter->max_frame_size = ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN; 1172 1173 adapter->phy_layer = ixgbe_get_supported_physical_layer(&adapter->hw); 1174 1175 ixgbe_add_media_types(ctx); 1176 1177 /* Autoselect media by default */ 1178 ifmedia_set(adapter->media, IFM_ETHER | IFM_AUTO); 1179 1180 return (0); 1181 } /* ixgbe_setup_interface */ 1182 1183 /************************************************************************ 1184 * ixgbe_if_get_counter 1185 ************************************************************************/ 1186 static uint64_t 1187 ixgbe_if_get_counter(if_ctx_t ctx, ift_counter cnt) 1188 { 1189 struct adapter *adapter = iflib_get_softc(ctx); 1190 if_t ifp = iflib_get_ifp(ctx); 1191 1192 switch (cnt) { 1193 case IFCOUNTER_IPACKETS: 1194 return (adapter->ipackets); 1195 case IFCOUNTER_OPACKETS: 1196 return (adapter->opackets); 1197 case IFCOUNTER_IBYTES: 1198 return (adapter->ibytes); 1199 case IFCOUNTER_OBYTES: 1200 return (adapter->obytes); 1201 case IFCOUNTER_IMCASTS: 1202 return (adapter->imcasts); 1203 case IFCOUNTER_OMCASTS: 1204 return (adapter->omcasts); 1205 case IFCOUNTER_COLLISIONS: 1206 return (0); 1207 case IFCOUNTER_IQDROPS: 1208 return (adapter->iqdrops); 1209 case IFCOUNTER_OQDROPS: 1210 return (0); 1211 case IFCOUNTER_IERRORS: 1212 return (adapter->ierrors); 1213 default: 1214 return (if_get_counter_default(ifp, cnt)); 1215 } 1216 } /* ixgbe_if_get_counter */ 1217 1218 /************************************************************************ 1219 * ixgbe_if_i2c_req 1220 ************************************************************************/ 1221 static int 1222 ixgbe_if_i2c_req(if_ctx_t ctx, struct ifi2creq *req) 1223 { 1224 struct adapter *adapter = iflib_get_softc(ctx); 1225 struct ixgbe_hw *hw = &adapter->hw; 1226 int i; 1227 1228 1229 if (hw->phy.ops.read_i2c_byte == NULL) 1230 return (ENXIO); 1231 for (i = 0; i < req->len; i++) 1232 hw->phy.ops.read_i2c_byte(hw, req->offset + i, 1233 req->dev_addr, &req->data[i]); 1234 return (0); 1235 } /* ixgbe_if_i2c_req */ 1236 1237 /************************************************************************ 1238 * ixgbe_add_media_types 1239 ************************************************************************/ 1240 static void 1241 ixgbe_add_media_types(if_ctx_t ctx) 1242 { 1243 struct adapter *adapter = iflib_get_softc(ctx); 1244 struct ixgbe_hw *hw = &adapter->hw; 1245 device_t dev = iflib_get_dev(ctx); 1246 u64 layer; 1247 1248 layer = adapter->phy_layer = ixgbe_get_supported_physical_layer(hw); 1249 1250 /* Media types with matching FreeBSD media defines */ 1251 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_T) 1252 ifmedia_add(adapter->media, IFM_ETHER | IFM_10G_T, 0, NULL); 1253 if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_T) 1254 ifmedia_add(adapter->media, IFM_ETHER | IFM_1000_T, 0, NULL); 1255 if (layer & IXGBE_PHYSICAL_LAYER_100BASE_TX) 1256 ifmedia_add(adapter->media, IFM_ETHER | IFM_100_TX, 0, NULL); 1257 if (layer & IXGBE_PHYSICAL_LAYER_10BASE_T) 1258 ifmedia_add(adapter->media, IFM_ETHER | IFM_10_T, 0, NULL); 1259 1260 if (layer & IXGBE_PHYSICAL_LAYER_SFP_PLUS_CU || 1261 layer & IXGBE_PHYSICAL_LAYER_SFP_ACTIVE_DA) 1262 ifmedia_add(adapter->media, IFM_ETHER | IFM_10G_TWINAX, 0, 1263 NULL); 1264 1265 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_LR) { 1266 ifmedia_add(adapter->media, IFM_ETHER | IFM_10G_LR, 0, NULL); 1267 if (hw->phy.multispeed_fiber) 1268 ifmedia_add(adapter->media, IFM_ETHER | IFM_1000_LX, 0, 1269 NULL); 1270 } 1271 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_SR) { 1272 ifmedia_add(adapter->media, IFM_ETHER | IFM_10G_SR, 0, NULL); 1273 if (hw->phy.multispeed_fiber) 1274 ifmedia_add(adapter->media, IFM_ETHER | IFM_1000_SX, 0, 1275 NULL); 1276 } else if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_SX) 1277 ifmedia_add(adapter->media, IFM_ETHER | IFM_1000_SX, 0, NULL); 1278 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_CX4) 1279 ifmedia_add(adapter->media, IFM_ETHER | IFM_10G_CX4, 0, NULL); 1280 1281 #ifdef IFM_ETH_XTYPE 1282 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KR) 1283 ifmedia_add(adapter->media, IFM_ETHER | IFM_10G_KR, 0, NULL); 1284 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KX4) 1285 ifmedia_add( adapter->media, IFM_ETHER | IFM_10G_KX4, 0, NULL); 1286 if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_KX) 1287 ifmedia_add(adapter->media, IFM_ETHER | IFM_1000_KX, 0, NULL); 1288 if (layer & IXGBE_PHYSICAL_LAYER_2500BASE_KX) 1289 ifmedia_add(adapter->media, IFM_ETHER | IFM_2500_KX, 0, NULL); 1290 #else 1291 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KR) { 1292 device_printf(dev, "Media supported: 10GbaseKR\n"); 1293 device_printf(dev, "10GbaseKR mapped to 10GbaseSR\n"); 1294 ifmedia_add(adapter->media, IFM_ETHER | IFM_10G_SR, 0, NULL); 1295 } 1296 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KX4) { 1297 device_printf(dev, "Media supported: 10GbaseKX4\n"); 1298 device_printf(dev, "10GbaseKX4 mapped to 10GbaseCX4\n"); 1299 ifmedia_add(adapter->media, IFM_ETHER | IFM_10G_CX4, 0, NULL); 1300 } 1301 if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_KX) { 1302 device_printf(dev, "Media supported: 1000baseKX\n"); 1303 device_printf(dev, "1000baseKX mapped to 1000baseCX\n"); 1304 ifmedia_add(adapter->media, IFM_ETHER | IFM_1000_CX, 0, NULL); 1305 } 1306 if (layer & IXGBE_PHYSICAL_LAYER_2500BASE_KX) { 1307 device_printf(dev, "Media supported: 2500baseKX\n"); 1308 device_printf(dev, "2500baseKX mapped to 2500baseSX\n"); 1309 ifmedia_add(adapter->media, IFM_ETHER | IFM_2500_SX, 0, NULL); 1310 } 1311 #endif 1312 if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_BX) 1313 device_printf(dev, "Media supported: 1000baseBX\n"); 1314 1315 if (hw->device_id == IXGBE_DEV_ID_82598AT) { 1316 ifmedia_add(adapter->media, IFM_ETHER | IFM_1000_T | IFM_FDX, 1317 0, NULL); 1318 ifmedia_add(adapter->media, IFM_ETHER | IFM_1000_T, 0, NULL); 1319 } 1320 1321 ifmedia_add(adapter->media, IFM_ETHER | IFM_AUTO, 0, NULL); 1322 } /* ixgbe_add_media_types */ 1323 1324 /************************************************************************ 1325 * ixgbe_is_sfp 1326 ************************************************************************/ 1327 static inline bool 1328 ixgbe_is_sfp(struct ixgbe_hw *hw) 1329 { 1330 switch (hw->mac.type) { 1331 case ixgbe_mac_82598EB: 1332 if (hw->phy.type == ixgbe_phy_nl) 1333 return (TRUE); 1334 return (FALSE); 1335 case ixgbe_mac_82599EB: 1336 switch (hw->mac.ops.get_media_type(hw)) { 1337 case ixgbe_media_type_fiber: 1338 case ixgbe_media_type_fiber_qsfp: 1339 return (TRUE); 1340 default: 1341 return (FALSE); 1342 } 1343 case ixgbe_mac_X550EM_x: 1344 case ixgbe_mac_X550EM_a: 1345 if (hw->mac.ops.get_media_type(hw) == ixgbe_media_type_fiber) 1346 return (TRUE); 1347 return (FALSE); 1348 default: 1349 return (FALSE); 1350 } 1351 } /* ixgbe_is_sfp */ 1352 1353 /************************************************************************ 1354 * ixgbe_config_link 1355 ************************************************************************/ 1356 static void 1357 ixgbe_config_link(if_ctx_t ctx) 1358 { 1359 struct adapter *adapter = iflib_get_softc(ctx); 1360 struct ixgbe_hw *hw = &adapter->hw; 1361 u32 autoneg, err = 0; 1362 bool sfp, negotiate; 1363 1364 sfp = ixgbe_is_sfp(hw); 1365 1366 if (sfp) { 1367 adapter->task_requests |= IXGBE_REQUEST_TASK_MOD; 1368 iflib_admin_intr_deferred(ctx); 1369 } else { 1370 if (hw->mac.ops.check_link) 1371 err = ixgbe_check_link(hw, &adapter->link_speed, 1372 &adapter->link_up, FALSE); 1373 if (err) 1374 return; 1375 autoneg = hw->phy.autoneg_advertised; 1376 if ((!autoneg) && (hw->mac.ops.get_link_capabilities)) 1377 err = hw->mac.ops.get_link_capabilities(hw, &autoneg, 1378 &negotiate); 1379 if (err) 1380 return; 1381 if (hw->mac.ops.setup_link) 1382 err = hw->mac.ops.setup_link(hw, autoneg, 1383 adapter->link_up); 1384 } 1385 } /* ixgbe_config_link */ 1386 1387 /************************************************************************ 1388 * ixgbe_update_stats_counters - Update board statistics counters. 1389 ************************************************************************/ 1390 static void 1391 ixgbe_update_stats_counters(struct adapter *adapter) 1392 { 1393 struct ixgbe_hw *hw = &adapter->hw; 1394 struct ixgbe_hw_stats *stats = &adapter->stats.pf; 1395 u32 missed_rx = 0, bprc, lxon, lxoff, total; 1396 u64 total_missed_rx = 0; 1397 1398 stats->crcerrs += IXGBE_READ_REG(hw, IXGBE_CRCERRS); 1399 stats->illerrc += IXGBE_READ_REG(hw, IXGBE_ILLERRC); 1400 stats->errbc += IXGBE_READ_REG(hw, IXGBE_ERRBC); 1401 stats->mspdc += IXGBE_READ_REG(hw, IXGBE_MSPDC); 1402 stats->mpc[0] += IXGBE_READ_REG(hw, IXGBE_MPC(0)); 1403 1404 for (int i = 0; i < 16; i++) { 1405 stats->qprc[i] += IXGBE_READ_REG(hw, IXGBE_QPRC(i)); 1406 stats->qptc[i] += IXGBE_READ_REG(hw, IXGBE_QPTC(i)); 1407 stats->qprdc[i] += IXGBE_READ_REG(hw, IXGBE_QPRDC(i)); 1408 } 1409 stats->mlfc += IXGBE_READ_REG(hw, IXGBE_MLFC); 1410 stats->mrfc += IXGBE_READ_REG(hw, IXGBE_MRFC); 1411 stats->rlec += IXGBE_READ_REG(hw, IXGBE_RLEC); 1412 1413 /* Hardware workaround, gprc counts missed packets */ 1414 stats->gprc += IXGBE_READ_REG(hw, IXGBE_GPRC); 1415 stats->gprc -= missed_rx; 1416 1417 if (hw->mac.type != ixgbe_mac_82598EB) { 1418 stats->gorc += IXGBE_READ_REG(hw, IXGBE_GORCL) + 1419 ((u64)IXGBE_READ_REG(hw, IXGBE_GORCH) << 32); 1420 stats->gotc += IXGBE_READ_REG(hw, IXGBE_GOTCL) + 1421 ((u64)IXGBE_READ_REG(hw, IXGBE_GOTCH) << 32); 1422 stats->tor += IXGBE_READ_REG(hw, IXGBE_TORL) + 1423 ((u64)IXGBE_READ_REG(hw, IXGBE_TORH) << 32); 1424 stats->lxonrxc += IXGBE_READ_REG(hw, IXGBE_LXONRXCNT); 1425 stats->lxoffrxc += IXGBE_READ_REG(hw, IXGBE_LXOFFRXCNT); 1426 } else { 1427 stats->lxonrxc += IXGBE_READ_REG(hw, IXGBE_LXONRXC); 1428 stats->lxoffrxc += IXGBE_READ_REG(hw, IXGBE_LXOFFRXC); 1429 /* 82598 only has a counter in the high register */ 1430 stats->gorc += IXGBE_READ_REG(hw, IXGBE_GORCH); 1431 stats->gotc += IXGBE_READ_REG(hw, IXGBE_GOTCH); 1432 stats->tor += IXGBE_READ_REG(hw, IXGBE_TORH); 1433 } 1434 1435 /* 1436 * Workaround: mprc hardware is incorrectly counting 1437 * broadcasts, so for now we subtract those. 1438 */ 1439 bprc = IXGBE_READ_REG(hw, IXGBE_BPRC); 1440 stats->bprc += bprc; 1441 stats->mprc += IXGBE_READ_REG(hw, IXGBE_MPRC); 1442 if (hw->mac.type == ixgbe_mac_82598EB) 1443 stats->mprc -= bprc; 1444 1445 stats->prc64 += IXGBE_READ_REG(hw, IXGBE_PRC64); 1446 stats->prc127 += IXGBE_READ_REG(hw, IXGBE_PRC127); 1447 stats->prc255 += IXGBE_READ_REG(hw, IXGBE_PRC255); 1448 stats->prc511 += IXGBE_READ_REG(hw, IXGBE_PRC511); 1449 stats->prc1023 += IXGBE_READ_REG(hw, IXGBE_PRC1023); 1450 stats->prc1522 += IXGBE_READ_REG(hw, IXGBE_PRC1522); 1451 1452 lxon = IXGBE_READ_REG(hw, IXGBE_LXONTXC); 1453 stats->lxontxc += lxon; 1454 lxoff = IXGBE_READ_REG(hw, IXGBE_LXOFFTXC); 1455 stats->lxofftxc += lxoff; 1456 total = lxon + lxoff; 1457 1458 stats->gptc += IXGBE_READ_REG(hw, IXGBE_GPTC); 1459 stats->mptc += IXGBE_READ_REG(hw, IXGBE_MPTC); 1460 stats->ptc64 += IXGBE_READ_REG(hw, IXGBE_PTC64); 1461 stats->gptc -= total; 1462 stats->mptc -= total; 1463 stats->ptc64 -= total; 1464 stats->gotc -= total * ETHER_MIN_LEN; 1465 1466 stats->ruc += IXGBE_READ_REG(hw, IXGBE_RUC); 1467 stats->rfc += IXGBE_READ_REG(hw, IXGBE_RFC); 1468 stats->roc += IXGBE_READ_REG(hw, IXGBE_ROC); 1469 stats->rjc += IXGBE_READ_REG(hw, IXGBE_RJC); 1470 stats->mngprc += IXGBE_READ_REG(hw, IXGBE_MNGPRC); 1471 stats->mngpdc += IXGBE_READ_REG(hw, IXGBE_MNGPDC); 1472 stats->mngptc += IXGBE_READ_REG(hw, IXGBE_MNGPTC); 1473 stats->tpr += IXGBE_READ_REG(hw, IXGBE_TPR); 1474 stats->tpt += IXGBE_READ_REG(hw, IXGBE_TPT); 1475 stats->ptc127 += IXGBE_READ_REG(hw, IXGBE_PTC127); 1476 stats->ptc255 += IXGBE_READ_REG(hw, IXGBE_PTC255); 1477 stats->ptc511 += IXGBE_READ_REG(hw, IXGBE_PTC511); 1478 stats->ptc1023 += IXGBE_READ_REG(hw, IXGBE_PTC1023); 1479 stats->ptc1522 += IXGBE_READ_REG(hw, IXGBE_PTC1522); 1480 stats->bptc += IXGBE_READ_REG(hw, IXGBE_BPTC); 1481 stats->xec += IXGBE_READ_REG(hw, IXGBE_XEC); 1482 stats->fccrc += IXGBE_READ_REG(hw, IXGBE_FCCRC); 1483 stats->fclast += IXGBE_READ_REG(hw, IXGBE_FCLAST); 1484 /* Only read FCOE on 82599 */ 1485 if (hw->mac.type != ixgbe_mac_82598EB) { 1486 stats->fcoerpdc += IXGBE_READ_REG(hw, IXGBE_FCOERPDC); 1487 stats->fcoeprc += IXGBE_READ_REG(hw, IXGBE_FCOEPRC); 1488 stats->fcoeptc += IXGBE_READ_REG(hw, IXGBE_FCOEPTC); 1489 stats->fcoedwrc += IXGBE_READ_REG(hw, IXGBE_FCOEDWRC); 1490 stats->fcoedwtc += IXGBE_READ_REG(hw, IXGBE_FCOEDWTC); 1491 } 1492 1493 /* Fill out the OS statistics structure */ 1494 IXGBE_SET_IPACKETS(adapter, stats->gprc); 1495 IXGBE_SET_OPACKETS(adapter, stats->gptc); 1496 IXGBE_SET_IBYTES(adapter, stats->gorc); 1497 IXGBE_SET_OBYTES(adapter, stats->gotc); 1498 IXGBE_SET_IMCASTS(adapter, stats->mprc); 1499 IXGBE_SET_OMCASTS(adapter, stats->mptc); 1500 IXGBE_SET_COLLISIONS(adapter, 0); 1501 IXGBE_SET_IQDROPS(adapter, total_missed_rx); 1502 IXGBE_SET_IERRORS(adapter, stats->crcerrs + stats->rlec); 1503 } /* ixgbe_update_stats_counters */ 1504 1505 /************************************************************************ 1506 * ixgbe_add_hw_stats 1507 * 1508 * Add sysctl variables, one per statistic, to the system. 1509 ************************************************************************/ 1510 static void 1511 ixgbe_add_hw_stats(struct adapter *adapter) 1512 { 1513 device_t dev = iflib_get_dev(adapter->ctx); 1514 struct ix_rx_queue *rx_que; 1515 struct ix_tx_queue *tx_que; 1516 struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(dev); 1517 struct sysctl_oid *tree = device_get_sysctl_tree(dev); 1518 struct sysctl_oid_list *child = SYSCTL_CHILDREN(tree); 1519 struct ixgbe_hw_stats *stats = &adapter->stats.pf; 1520 struct sysctl_oid *stat_node, *queue_node; 1521 struct sysctl_oid_list *stat_list, *queue_list; 1522 int i; 1523 1524 #define QUEUE_NAME_LEN 32 1525 char namebuf[QUEUE_NAME_LEN]; 1526 1527 /* Driver Statistics */ 1528 SYSCTL_ADD_ULONG(ctx, child, OID_AUTO, "dropped", 1529 CTLFLAG_RD, &adapter->dropped_pkts, "Driver dropped packets"); 1530 SYSCTL_ADD_ULONG(ctx, child, OID_AUTO, "watchdog_events", 1531 CTLFLAG_RD, &adapter->watchdog_events, "Watchdog timeouts"); 1532 SYSCTL_ADD_ULONG(ctx, child, OID_AUTO, "link_irq", 1533 CTLFLAG_RD, &adapter->link_irq, "Link MSI-X IRQ Handled"); 1534 1535 for (i = 0, tx_que = adapter->tx_queues; i < adapter->num_tx_queues; i++, tx_que++) { 1536 struct tx_ring *txr = &tx_que->txr; 1537 snprintf(namebuf, QUEUE_NAME_LEN, "queue%d", i); 1538 queue_node = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, namebuf, 1539 CTLFLAG_RD, NULL, "Queue Name"); 1540 queue_list = SYSCTL_CHILDREN(queue_node); 1541 1542 SYSCTL_ADD_PROC(ctx, queue_list, OID_AUTO, "txd_head", 1543 CTLTYPE_UINT | CTLFLAG_RD, txr, sizeof(txr), 1544 ixgbe_sysctl_tdh_handler, "IU", "Transmit Descriptor Head"); 1545 SYSCTL_ADD_PROC(ctx, queue_list, OID_AUTO, "txd_tail", 1546 CTLTYPE_UINT | CTLFLAG_RD, txr, sizeof(txr), 1547 ixgbe_sysctl_tdt_handler, "IU", "Transmit Descriptor Tail"); 1548 SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "tso_tx", 1549 CTLFLAG_RD, &txr->tso_tx, "TSO"); 1550 SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "tx_packets", 1551 CTLFLAG_RD, &txr->total_packets, 1552 "Queue Packets Transmitted"); 1553 } 1554 1555 for (i = 0, rx_que = adapter->rx_queues; i < adapter->num_rx_queues; i++, rx_que++) { 1556 struct rx_ring *rxr = &rx_que->rxr; 1557 snprintf(namebuf, QUEUE_NAME_LEN, "queue%d", i); 1558 queue_node = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, namebuf, 1559 CTLFLAG_RD, NULL, "Queue Name"); 1560 queue_list = SYSCTL_CHILDREN(queue_node); 1561 1562 SYSCTL_ADD_PROC(ctx, queue_list, OID_AUTO, "interrupt_rate", 1563 CTLTYPE_UINT | CTLFLAG_RW, &adapter->rx_queues[i], 1564 sizeof(&adapter->rx_queues[i]), 1565 ixgbe_sysctl_interrupt_rate_handler, "IU", 1566 "Interrupt Rate"); 1567 SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "irqs", 1568 CTLFLAG_RD, &(adapter->rx_queues[i].irqs), 1569 "irqs on this queue"); 1570 SYSCTL_ADD_PROC(ctx, queue_list, OID_AUTO, "rxd_head", 1571 CTLTYPE_UINT | CTLFLAG_RD, rxr, sizeof(rxr), 1572 ixgbe_sysctl_rdh_handler, "IU", "Receive Descriptor Head"); 1573 SYSCTL_ADD_PROC(ctx, queue_list, OID_AUTO, "rxd_tail", 1574 CTLTYPE_UINT | CTLFLAG_RD, rxr, sizeof(rxr), 1575 ixgbe_sysctl_rdt_handler, "IU", "Receive Descriptor Tail"); 1576 SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "rx_packets", 1577 CTLFLAG_RD, &rxr->rx_packets, "Queue Packets Received"); 1578 SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "rx_bytes", 1579 CTLFLAG_RD, &rxr->rx_bytes, "Queue Bytes Received"); 1580 SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "rx_copies", 1581 CTLFLAG_RD, &rxr->rx_copies, "Copied RX Frames"); 1582 SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "rx_discarded", 1583 CTLFLAG_RD, &rxr->rx_discarded, "Discarded RX packets"); 1584 } 1585 1586 /* MAC stats get their own sub node */ 1587 1588 stat_node = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "mac_stats", 1589 CTLFLAG_RD, NULL, "MAC Statistics"); 1590 stat_list = SYSCTL_CHILDREN(stat_node); 1591 1592 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "crc_errs", 1593 CTLFLAG_RD, &stats->crcerrs, "CRC Errors"); 1594 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "ill_errs", 1595 CTLFLAG_RD, &stats->illerrc, "Illegal Byte Errors"); 1596 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "byte_errs", 1597 CTLFLAG_RD, &stats->errbc, "Byte Errors"); 1598 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "short_discards", 1599 CTLFLAG_RD, &stats->mspdc, "MAC Short Packets Discarded"); 1600 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "local_faults", 1601 CTLFLAG_RD, &stats->mlfc, "MAC Local Faults"); 1602 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "remote_faults", 1603 CTLFLAG_RD, &stats->mrfc, "MAC Remote Faults"); 1604 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "rec_len_errs", 1605 CTLFLAG_RD, &stats->rlec, "Receive Length Errors"); 1606 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "rx_missed_packets", 1607 CTLFLAG_RD, &stats->mpc[0], "RX Missed Packet Count"); 1608 1609 /* Flow Control stats */ 1610 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "xon_txd", 1611 CTLFLAG_RD, &stats->lxontxc, "Link XON Transmitted"); 1612 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "xon_recvd", 1613 CTLFLAG_RD, &stats->lxonrxc, "Link XON Received"); 1614 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "xoff_txd", 1615 CTLFLAG_RD, &stats->lxofftxc, "Link XOFF Transmitted"); 1616 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "xoff_recvd", 1617 CTLFLAG_RD, &stats->lxoffrxc, "Link XOFF Received"); 1618 1619 /* Packet Reception Stats */ 1620 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "total_octets_rcvd", 1621 CTLFLAG_RD, &stats->tor, "Total Octets Received"); 1622 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "good_octets_rcvd", 1623 CTLFLAG_RD, &stats->gorc, "Good Octets Received"); 1624 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "total_pkts_rcvd", 1625 CTLFLAG_RD, &stats->tpr, "Total Packets Received"); 1626 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "good_pkts_rcvd", 1627 CTLFLAG_RD, &stats->gprc, "Good Packets Received"); 1628 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "mcast_pkts_rcvd", 1629 CTLFLAG_RD, &stats->mprc, "Multicast Packets Received"); 1630 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "bcast_pkts_rcvd", 1631 CTLFLAG_RD, &stats->bprc, "Broadcast Packets Received"); 1632 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "rx_frames_64", 1633 CTLFLAG_RD, &stats->prc64, "64 byte frames received "); 1634 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "rx_frames_65_127", 1635 CTLFLAG_RD, &stats->prc127, "65-127 byte frames received"); 1636 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "rx_frames_128_255", 1637 CTLFLAG_RD, &stats->prc255, "128-255 byte frames received"); 1638 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "rx_frames_256_511", 1639 CTLFLAG_RD, &stats->prc511, "256-511 byte frames received"); 1640 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "rx_frames_512_1023", 1641 CTLFLAG_RD, &stats->prc1023, "512-1023 byte frames received"); 1642 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "rx_frames_1024_1522", 1643 CTLFLAG_RD, &stats->prc1522, "1023-1522 byte frames received"); 1644 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "recv_undersized", 1645 CTLFLAG_RD, &stats->ruc, "Receive Undersized"); 1646 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "recv_fragmented", 1647 CTLFLAG_RD, &stats->rfc, "Fragmented Packets Received "); 1648 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "recv_oversized", 1649 CTLFLAG_RD, &stats->roc, "Oversized Packets Received"); 1650 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "recv_jabberd", 1651 CTLFLAG_RD, &stats->rjc, "Received Jabber"); 1652 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "management_pkts_rcvd", 1653 CTLFLAG_RD, &stats->mngprc, "Management Packets Received"); 1654 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "management_pkts_drpd", 1655 CTLFLAG_RD, &stats->mngptc, "Management Packets Dropped"); 1656 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "checksum_errs", 1657 CTLFLAG_RD, &stats->xec, "Checksum Errors"); 1658 1659 /* Packet Transmission Stats */ 1660 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "good_octets_txd", 1661 CTLFLAG_RD, &stats->gotc, "Good Octets Transmitted"); 1662 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "total_pkts_txd", 1663 CTLFLAG_RD, &stats->tpt, "Total Packets Transmitted"); 1664 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "good_pkts_txd", 1665 CTLFLAG_RD, &stats->gptc, "Good Packets Transmitted"); 1666 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "bcast_pkts_txd", 1667 CTLFLAG_RD, &stats->bptc, "Broadcast Packets Transmitted"); 1668 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "mcast_pkts_txd", 1669 CTLFLAG_RD, &stats->mptc, "Multicast Packets Transmitted"); 1670 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "management_pkts_txd", 1671 CTLFLAG_RD, &stats->mngptc, "Management Packets Transmitted"); 1672 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "tx_frames_64", 1673 CTLFLAG_RD, &stats->ptc64, "64 byte frames transmitted "); 1674 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "tx_frames_65_127", 1675 CTLFLAG_RD, &stats->ptc127, "65-127 byte frames transmitted"); 1676 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "tx_frames_128_255", 1677 CTLFLAG_RD, &stats->ptc255, "128-255 byte frames transmitted"); 1678 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "tx_frames_256_511", 1679 CTLFLAG_RD, &stats->ptc511, "256-511 byte frames transmitted"); 1680 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "tx_frames_512_1023", 1681 CTLFLAG_RD, &stats->ptc1023, "512-1023 byte frames transmitted"); 1682 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "tx_frames_1024_1522", 1683 CTLFLAG_RD, &stats->ptc1522, "1024-1522 byte frames transmitted"); 1684 } /* ixgbe_add_hw_stats */ 1685 1686 /************************************************************************ 1687 * ixgbe_sysctl_tdh_handler - Transmit Descriptor Head handler function 1688 * 1689 * Retrieves the TDH value from the hardware 1690 ************************************************************************/ 1691 static int 1692 ixgbe_sysctl_tdh_handler(SYSCTL_HANDLER_ARGS) 1693 { 1694 struct tx_ring *txr = ((struct tx_ring *)oidp->oid_arg1); 1695 int error; 1696 unsigned int val; 1697 1698 if (!txr) 1699 return (0); 1700 1701 val = IXGBE_READ_REG(&txr->adapter->hw, IXGBE_TDH(txr->me)); 1702 error = sysctl_handle_int(oidp, &val, 0, req); 1703 if (error || !req->newptr) 1704 return error; 1705 1706 return (0); 1707 } /* ixgbe_sysctl_tdh_handler */ 1708 1709 /************************************************************************ 1710 * ixgbe_sysctl_tdt_handler - Transmit Descriptor Tail handler function 1711 * 1712 * Retrieves the TDT value from the hardware 1713 ************************************************************************/ 1714 static int 1715 ixgbe_sysctl_tdt_handler(SYSCTL_HANDLER_ARGS) 1716 { 1717 struct tx_ring *txr = ((struct tx_ring *)oidp->oid_arg1); 1718 int error; 1719 unsigned int val; 1720 1721 if (!txr) 1722 return (0); 1723 1724 val = IXGBE_READ_REG(&txr->adapter->hw, IXGBE_TDT(txr->me)); 1725 error = sysctl_handle_int(oidp, &val, 0, req); 1726 if (error || !req->newptr) 1727 return error; 1728 1729 return (0); 1730 } /* ixgbe_sysctl_tdt_handler */ 1731 1732 /************************************************************************ 1733 * ixgbe_sysctl_rdh_handler - Receive Descriptor Head handler function 1734 * 1735 * Retrieves the RDH value from the hardware 1736 ************************************************************************/ 1737 static int 1738 ixgbe_sysctl_rdh_handler(SYSCTL_HANDLER_ARGS) 1739 { 1740 struct rx_ring *rxr = ((struct rx_ring *)oidp->oid_arg1); 1741 int error; 1742 unsigned int val; 1743 1744 if (!rxr) 1745 return (0); 1746 1747 val = IXGBE_READ_REG(&rxr->adapter->hw, IXGBE_RDH(rxr->me)); 1748 error = sysctl_handle_int(oidp, &val, 0, req); 1749 if (error || !req->newptr) 1750 return error; 1751 1752 return (0); 1753 } /* ixgbe_sysctl_rdh_handler */ 1754 1755 /************************************************************************ 1756 * ixgbe_sysctl_rdt_handler - Receive Descriptor Tail handler function 1757 * 1758 * Retrieves the RDT value from the hardware 1759 ************************************************************************/ 1760 static int 1761 ixgbe_sysctl_rdt_handler(SYSCTL_HANDLER_ARGS) 1762 { 1763 struct rx_ring *rxr = ((struct rx_ring *)oidp->oid_arg1); 1764 int error; 1765 unsigned int val; 1766 1767 if (!rxr) 1768 return (0); 1769 1770 val = IXGBE_READ_REG(&rxr->adapter->hw, IXGBE_RDT(rxr->me)); 1771 error = sysctl_handle_int(oidp, &val, 0, req); 1772 if (error || !req->newptr) 1773 return error; 1774 1775 return (0); 1776 } /* ixgbe_sysctl_rdt_handler */ 1777 1778 /************************************************************************ 1779 * ixgbe_if_vlan_register 1780 * 1781 * Run via vlan config EVENT, it enables us to use the 1782 * HW Filter table since we can get the vlan id. This 1783 * just creates the entry in the soft version of the 1784 * VFTA, init will repopulate the real table. 1785 ************************************************************************/ 1786 static void 1787 ixgbe_if_vlan_register(if_ctx_t ctx, u16 vtag) 1788 { 1789 struct adapter *adapter = iflib_get_softc(ctx); 1790 u16 index, bit; 1791 1792 index = (vtag >> 5) & 0x7F; 1793 bit = vtag & 0x1F; 1794 adapter->shadow_vfta[index] |= (1 << bit); 1795 ++adapter->num_vlans; 1796 ixgbe_setup_vlan_hw_support(ctx); 1797 } /* ixgbe_if_vlan_register */ 1798 1799 /************************************************************************ 1800 * ixgbe_if_vlan_unregister 1801 * 1802 * Run via vlan unconfig EVENT, remove our entry in the soft vfta. 1803 ************************************************************************/ 1804 static void 1805 ixgbe_if_vlan_unregister(if_ctx_t ctx, u16 vtag) 1806 { 1807 struct adapter *adapter = iflib_get_softc(ctx); 1808 u16 index, bit; 1809 1810 index = (vtag >> 5) & 0x7F; 1811 bit = vtag & 0x1F; 1812 adapter->shadow_vfta[index] &= ~(1 << bit); 1813 --adapter->num_vlans; 1814 /* Re-init to load the changes */ 1815 ixgbe_setup_vlan_hw_support(ctx); 1816 } /* ixgbe_if_vlan_unregister */ 1817 1818 /************************************************************************ 1819 * ixgbe_setup_vlan_hw_support 1820 ************************************************************************/ 1821 static void 1822 ixgbe_setup_vlan_hw_support(if_ctx_t ctx) 1823 { 1824 struct ifnet *ifp = iflib_get_ifp(ctx); 1825 struct adapter *adapter = iflib_get_softc(ctx); 1826 struct ixgbe_hw *hw = &adapter->hw; 1827 struct rx_ring *rxr; 1828 int i; 1829 u32 ctrl; 1830 1831 1832 /* 1833 * We get here thru init_locked, meaning 1834 * a soft reset, this has already cleared 1835 * the VFTA and other state, so if there 1836 * have been no vlan's registered do nothing. 1837 */ 1838 if (adapter->num_vlans == 0) 1839 return; 1840 1841 /* Setup the queues for vlans */ 1842 if (ifp->if_capenable & IFCAP_VLAN_HWTAGGING) { 1843 for (i = 0; i < adapter->num_rx_queues; i++) { 1844 rxr = &adapter->rx_queues[i].rxr; 1845 /* On 82599 the VLAN enable is per/queue in RXDCTL */ 1846 if (hw->mac.type != ixgbe_mac_82598EB) { 1847 ctrl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(rxr->me)); 1848 ctrl |= IXGBE_RXDCTL_VME; 1849 IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(rxr->me), ctrl); 1850 } 1851 rxr->vtag_strip = TRUE; 1852 } 1853 } 1854 1855 if ((ifp->if_capenable & IFCAP_VLAN_HWFILTER) == 0) 1856 return; 1857 /* 1858 * A soft reset zero's out the VFTA, so 1859 * we need to repopulate it now. 1860 */ 1861 for (i = 0; i < IXGBE_VFTA_SIZE; i++) 1862 if (adapter->shadow_vfta[i] != 0) 1863 IXGBE_WRITE_REG(hw, IXGBE_VFTA(i), 1864 adapter->shadow_vfta[i]); 1865 1866 ctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL); 1867 /* Enable the Filter Table if enabled */ 1868 if (ifp->if_capenable & IFCAP_VLAN_HWFILTER) { 1869 ctrl &= ~IXGBE_VLNCTRL_CFIEN; 1870 ctrl |= IXGBE_VLNCTRL_VFE; 1871 } 1872 if (hw->mac.type == ixgbe_mac_82598EB) 1873 ctrl |= IXGBE_VLNCTRL_VME; 1874 IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, ctrl); 1875 } /* ixgbe_setup_vlan_hw_support */ 1876 1877 /************************************************************************ 1878 * ixgbe_get_slot_info 1879 * 1880 * Get the width and transaction speed of 1881 * the slot this adapter is plugged into. 1882 ************************************************************************/ 1883 static void 1884 ixgbe_get_slot_info(struct adapter *adapter) 1885 { 1886 device_t dev = iflib_get_dev(adapter->ctx); 1887 struct ixgbe_hw *hw = &adapter->hw; 1888 int bus_info_valid = TRUE; 1889 u32 offset; 1890 u16 link; 1891 1892 /* Some devices are behind an internal bridge */ 1893 switch (hw->device_id) { 1894 case IXGBE_DEV_ID_82599_SFP_SF_QP: 1895 case IXGBE_DEV_ID_82599_QSFP_SF_QP: 1896 goto get_parent_info; 1897 default: 1898 break; 1899 } 1900 1901 ixgbe_get_bus_info(hw); 1902 1903 /* 1904 * Some devices don't use PCI-E, but there is no need 1905 * to display "Unknown" for bus speed and width. 1906 */ 1907 switch (hw->mac.type) { 1908 case ixgbe_mac_X550EM_x: 1909 case ixgbe_mac_X550EM_a: 1910 return; 1911 default: 1912 goto display; 1913 } 1914 1915 get_parent_info: 1916 /* 1917 * For the Quad port adapter we need to parse back 1918 * up the PCI tree to find the speed of the expansion 1919 * slot into which this adapter is plugged. A bit more work. 1920 */ 1921 dev = device_get_parent(device_get_parent(dev)); 1922 #ifdef IXGBE_DEBUG 1923 device_printf(dev, "parent pcib = %x,%x,%x\n", pci_get_bus(dev), 1924 pci_get_slot(dev), pci_get_function(dev)); 1925 #endif 1926 dev = device_get_parent(device_get_parent(dev)); 1927 #ifdef IXGBE_DEBUG 1928 device_printf(dev, "slot pcib = %x,%x,%x\n", pci_get_bus(dev), 1929 pci_get_slot(dev), pci_get_function(dev)); 1930 #endif 1931 /* Now get the PCI Express Capabilities offset */ 1932 if (pci_find_cap(dev, PCIY_EXPRESS, &offset)) { 1933 /* 1934 * Hmm...can't get PCI-Express capabilities. 1935 * Falling back to default method. 1936 */ 1937 bus_info_valid = FALSE; 1938 ixgbe_get_bus_info(hw); 1939 goto display; 1940 } 1941 /* ...and read the Link Status Register */ 1942 link = pci_read_config(dev, offset + PCIER_LINK_STA, 2); 1943 ixgbe_set_pci_config_data_generic(hw, link); 1944 1945 display: 1946 device_printf(dev, "PCI Express Bus: Speed %s %s\n", 1947 ((hw->bus.speed == ixgbe_bus_speed_8000) ? "8.0GT/s" : 1948 (hw->bus.speed == ixgbe_bus_speed_5000) ? "5.0GT/s" : 1949 (hw->bus.speed == ixgbe_bus_speed_2500) ? "2.5GT/s" : 1950 "Unknown"), 1951 ((hw->bus.width == ixgbe_bus_width_pcie_x8) ? "Width x8" : 1952 (hw->bus.width == ixgbe_bus_width_pcie_x4) ? "Width x4" : 1953 (hw->bus.width == ixgbe_bus_width_pcie_x1) ? "Width x1" : 1954 "Unknown")); 1955 1956 if (bus_info_valid) { 1957 if ((hw->device_id != IXGBE_DEV_ID_82599_SFP_SF_QP) && 1958 ((hw->bus.width <= ixgbe_bus_width_pcie_x4) && 1959 (hw->bus.speed == ixgbe_bus_speed_2500))) { 1960 device_printf(dev, "PCI-Express bandwidth available for this card\n is not sufficient for optimal performance.\n"); 1961 device_printf(dev, "For optimal performance a x8 PCIE, or x4 PCIE Gen2 slot is required.\n"); 1962 } 1963 if ((hw->device_id == IXGBE_DEV_ID_82599_SFP_SF_QP) && 1964 ((hw->bus.width <= ixgbe_bus_width_pcie_x8) && 1965 (hw->bus.speed < ixgbe_bus_speed_8000))) { 1966 device_printf(dev, "PCI-Express bandwidth available for this card\n is not sufficient for optimal performance.\n"); 1967 device_printf(dev, "For optimal performance a x8 PCIE Gen3 slot is required.\n"); 1968 } 1969 } else 1970 device_printf(dev, "Unable to determine slot speed/width. The speed/width reported are that of the internal switch.\n"); 1971 1972 return; 1973 } /* ixgbe_get_slot_info */ 1974 1975 /************************************************************************ 1976 * ixgbe_if_msix_intr_assign 1977 * 1978 * Setup MSI-X Interrupt resources and handlers 1979 ************************************************************************/ 1980 static int 1981 ixgbe_if_msix_intr_assign(if_ctx_t ctx, int msix) 1982 { 1983 struct adapter *adapter = iflib_get_softc(ctx); 1984 struct ix_rx_queue *rx_que = adapter->rx_queues; 1985 struct ix_tx_queue *tx_que; 1986 int error, rid, vector = 0; 1987 int cpu_id = 0; 1988 char buf[16]; 1989 1990 /* Admin Que is vector 0*/ 1991 rid = vector + 1; 1992 for (int i = 0; i < adapter->num_rx_queues; i++, vector++, rx_que++) { 1993 rid = vector + 1; 1994 1995 snprintf(buf, sizeof(buf), "rxq%d", i); 1996 error = iflib_irq_alloc_generic(ctx, &rx_que->que_irq, rid, 1997 IFLIB_INTR_RX, ixgbe_msix_que, rx_que, rx_que->rxr.me, buf); 1998 1999 if (error) { 2000 device_printf(iflib_get_dev(ctx), 2001 "Failed to allocate que int %d err: %d", i, error); 2002 adapter->num_rx_queues = i + 1; 2003 goto fail; 2004 } 2005 2006 rx_que->msix = vector; 2007 if (adapter->feat_en & IXGBE_FEATURE_RSS) { 2008 /* 2009 * The queue ID is used as the RSS layer bucket ID. 2010 * We look up the queue ID -> RSS CPU ID and select 2011 * that. 2012 */ 2013 cpu_id = rss_getcpu(i % rss_getnumbuckets()); 2014 } else { 2015 /* 2016 * Bind the MSI-X vector, and thus the 2017 * rings to the corresponding cpu. 2018 * 2019 * This just happens to match the default RSS 2020 * round-robin bucket -> queue -> CPU allocation. 2021 */ 2022 if (adapter->num_rx_queues > 1) 2023 cpu_id = i; 2024 } 2025 2026 } 2027 for (int i = 0; i < adapter->num_tx_queues; i++) { 2028 snprintf(buf, sizeof(buf), "txq%d", i); 2029 tx_que = &adapter->tx_queues[i]; 2030 tx_que->msix = i % adapter->num_rx_queues; 2031 iflib_softirq_alloc_generic(ctx, 2032 &adapter->rx_queues[tx_que->msix].que_irq, 2033 IFLIB_INTR_TX, tx_que, tx_que->txr.me, buf); 2034 } 2035 rid = vector + 1; 2036 error = iflib_irq_alloc_generic(ctx, &adapter->irq, rid, 2037 IFLIB_INTR_ADMIN, ixgbe_msix_link, adapter, 0, "aq"); 2038 if (error) { 2039 device_printf(iflib_get_dev(ctx), 2040 "Failed to register admin handler"); 2041 return (error); 2042 } 2043 2044 adapter->vector = vector; 2045 2046 return (0); 2047 fail: 2048 iflib_irq_free(ctx, &adapter->irq); 2049 rx_que = adapter->rx_queues; 2050 for (int i = 0; i < adapter->num_rx_queues; i++, rx_que++) 2051 iflib_irq_free(ctx, &rx_que->que_irq); 2052 2053 return (error); 2054 } /* ixgbe_if_msix_intr_assign */ 2055 2056 /********************************************************************* 2057 * ixgbe_msix_que - MSI-X Queue Interrupt Service routine 2058 **********************************************************************/ 2059 static int 2060 ixgbe_msix_que(void *arg) 2061 { 2062 struct ix_rx_queue *que = arg; 2063 struct adapter *adapter = que->adapter; 2064 struct ifnet *ifp = iflib_get_ifp(que->adapter->ctx); 2065 2066 /* Protect against spurious interrupts */ 2067 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) 2068 return (FILTER_HANDLED); 2069 2070 ixgbe_disable_queue(adapter, que->msix); 2071 ++que->irqs; 2072 2073 return (FILTER_SCHEDULE_THREAD); 2074 } /* ixgbe_msix_que */ 2075 2076 /************************************************************************ 2077 * ixgbe_media_status - Media Ioctl callback 2078 * 2079 * Called whenever the user queries the status of 2080 * the interface using ifconfig. 2081 ************************************************************************/ 2082 static void 2083 ixgbe_if_media_status(if_ctx_t ctx, struct ifmediareq * ifmr) 2084 { 2085 struct adapter *adapter = iflib_get_softc(ctx); 2086 struct ixgbe_hw *hw = &adapter->hw; 2087 int layer; 2088 2089 INIT_DEBUGOUT("ixgbe_if_media_status: begin"); 2090 2091 ifmr->ifm_status = IFM_AVALID; 2092 ifmr->ifm_active = IFM_ETHER; 2093 2094 if (!adapter->link_active) 2095 return; 2096 2097 ifmr->ifm_status |= IFM_ACTIVE; 2098 layer = adapter->phy_layer; 2099 2100 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_T || 2101 layer & IXGBE_PHYSICAL_LAYER_1000BASE_T || 2102 layer & IXGBE_PHYSICAL_LAYER_100BASE_TX || 2103 layer & IXGBE_PHYSICAL_LAYER_10BASE_T) 2104 switch (adapter->link_speed) { 2105 case IXGBE_LINK_SPEED_10GB_FULL: 2106 ifmr->ifm_active |= IFM_10G_T | IFM_FDX; 2107 break; 2108 case IXGBE_LINK_SPEED_1GB_FULL: 2109 ifmr->ifm_active |= IFM_1000_T | IFM_FDX; 2110 break; 2111 case IXGBE_LINK_SPEED_100_FULL: 2112 ifmr->ifm_active |= IFM_100_TX | IFM_FDX; 2113 break; 2114 case IXGBE_LINK_SPEED_10_FULL: 2115 ifmr->ifm_active |= IFM_10_T | IFM_FDX; 2116 break; 2117 } 2118 if (layer & IXGBE_PHYSICAL_LAYER_SFP_PLUS_CU || 2119 layer & IXGBE_PHYSICAL_LAYER_SFP_ACTIVE_DA) 2120 switch (adapter->link_speed) { 2121 case IXGBE_LINK_SPEED_10GB_FULL: 2122 ifmr->ifm_active |= IFM_10G_TWINAX | IFM_FDX; 2123 break; 2124 } 2125 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_LR) 2126 switch (adapter->link_speed) { 2127 case IXGBE_LINK_SPEED_10GB_FULL: 2128 ifmr->ifm_active |= IFM_10G_LR | IFM_FDX; 2129 break; 2130 case IXGBE_LINK_SPEED_1GB_FULL: 2131 ifmr->ifm_active |= IFM_1000_LX | IFM_FDX; 2132 break; 2133 } 2134 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_LRM) 2135 switch (adapter->link_speed) { 2136 case IXGBE_LINK_SPEED_10GB_FULL: 2137 ifmr->ifm_active |= IFM_10G_LRM | IFM_FDX; 2138 break; 2139 case IXGBE_LINK_SPEED_1GB_FULL: 2140 ifmr->ifm_active |= IFM_1000_LX | IFM_FDX; 2141 break; 2142 } 2143 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_SR || 2144 layer & IXGBE_PHYSICAL_LAYER_1000BASE_SX) 2145 switch (adapter->link_speed) { 2146 case IXGBE_LINK_SPEED_10GB_FULL: 2147 ifmr->ifm_active |= IFM_10G_SR | IFM_FDX; 2148 break; 2149 case IXGBE_LINK_SPEED_1GB_FULL: 2150 ifmr->ifm_active |= IFM_1000_SX | IFM_FDX; 2151 break; 2152 } 2153 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_CX4) 2154 switch (adapter->link_speed) { 2155 case IXGBE_LINK_SPEED_10GB_FULL: 2156 ifmr->ifm_active |= IFM_10G_CX4 | IFM_FDX; 2157 break; 2158 } 2159 /* 2160 * XXX: These need to use the proper media types once 2161 * they're added. 2162 */ 2163 #ifndef IFM_ETH_XTYPE 2164 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KR) 2165 switch (adapter->link_speed) { 2166 case IXGBE_LINK_SPEED_10GB_FULL: 2167 ifmr->ifm_active |= IFM_10G_SR | IFM_FDX; 2168 break; 2169 case IXGBE_LINK_SPEED_2_5GB_FULL: 2170 ifmr->ifm_active |= IFM_2500_SX | IFM_FDX; 2171 break; 2172 case IXGBE_LINK_SPEED_1GB_FULL: 2173 ifmr->ifm_active |= IFM_1000_CX | IFM_FDX; 2174 break; 2175 } 2176 else if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KX4 || 2177 layer & IXGBE_PHYSICAL_LAYER_2500BASE_KX || 2178 layer & IXGBE_PHYSICAL_LAYER_1000BASE_KX) 2179 switch (adapter->link_speed) { 2180 case IXGBE_LINK_SPEED_10GB_FULL: 2181 ifmr->ifm_active |= IFM_10G_CX4 | IFM_FDX; 2182 break; 2183 case IXGBE_LINK_SPEED_2_5GB_FULL: 2184 ifmr->ifm_active |= IFM_2500_SX | IFM_FDX; 2185 break; 2186 case IXGBE_LINK_SPEED_1GB_FULL: 2187 ifmr->ifm_active |= IFM_1000_CX | IFM_FDX; 2188 break; 2189 } 2190 #else 2191 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KR) 2192 switch (adapter->link_speed) { 2193 case IXGBE_LINK_SPEED_10GB_FULL: 2194 ifmr->ifm_active |= IFM_10G_KR | IFM_FDX; 2195 break; 2196 case IXGBE_LINK_SPEED_2_5GB_FULL: 2197 ifmr->ifm_active |= IFM_2500_KX | IFM_FDX; 2198 break; 2199 case IXGBE_LINK_SPEED_1GB_FULL: 2200 ifmr->ifm_active |= IFM_1000_KX | IFM_FDX; 2201 break; 2202 } 2203 else if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KX4 || 2204 layer & IXGBE_PHYSICAL_LAYER_2500BASE_KX || 2205 layer & IXGBE_PHYSICAL_LAYER_1000BASE_KX) 2206 switch (adapter->link_speed) { 2207 case IXGBE_LINK_SPEED_10GB_FULL: 2208 ifmr->ifm_active |= IFM_10G_KX4 | IFM_FDX; 2209 break; 2210 case IXGBE_LINK_SPEED_2_5GB_FULL: 2211 ifmr->ifm_active |= IFM_2500_KX | IFM_FDX; 2212 break; 2213 case IXGBE_LINK_SPEED_1GB_FULL: 2214 ifmr->ifm_active |= IFM_1000_KX | IFM_FDX; 2215 break; 2216 } 2217 #endif 2218 2219 /* If nothing is recognized... */ 2220 if (IFM_SUBTYPE(ifmr->ifm_active) == 0) 2221 ifmr->ifm_active |= IFM_UNKNOWN; 2222 2223 /* Display current flow control setting used on link */ 2224 if (hw->fc.current_mode == ixgbe_fc_rx_pause || 2225 hw->fc.current_mode == ixgbe_fc_full) 2226 ifmr->ifm_active |= IFM_ETH_RXPAUSE; 2227 if (hw->fc.current_mode == ixgbe_fc_tx_pause || 2228 hw->fc.current_mode == ixgbe_fc_full) 2229 ifmr->ifm_active |= IFM_ETH_TXPAUSE; 2230 } /* ixgbe_media_status */ 2231 2232 /************************************************************************ 2233 * ixgbe_media_change - Media Ioctl callback 2234 * 2235 * Called when the user changes speed/duplex using 2236 * media/mediopt option with ifconfig. 2237 ************************************************************************/ 2238 static int 2239 ixgbe_if_media_change(if_ctx_t ctx) 2240 { 2241 struct adapter *adapter = iflib_get_softc(ctx); 2242 struct ifmedia *ifm = iflib_get_media(ctx); 2243 struct ixgbe_hw *hw = &adapter->hw; 2244 ixgbe_link_speed speed = 0; 2245 2246 INIT_DEBUGOUT("ixgbe_if_media_change: begin"); 2247 2248 if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER) 2249 return (EINVAL); 2250 2251 if (hw->phy.media_type == ixgbe_media_type_backplane) 2252 return (EPERM); 2253 2254 /* 2255 * We don't actually need to check against the supported 2256 * media types of the adapter; ifmedia will take care of 2257 * that for us. 2258 */ 2259 switch (IFM_SUBTYPE(ifm->ifm_media)) { 2260 case IFM_AUTO: 2261 case IFM_10G_T: 2262 speed |= IXGBE_LINK_SPEED_100_FULL; 2263 speed |= IXGBE_LINK_SPEED_1GB_FULL; 2264 speed |= IXGBE_LINK_SPEED_10GB_FULL; 2265 break; 2266 case IFM_10G_LRM: 2267 case IFM_10G_LR: 2268 #ifndef IFM_ETH_XTYPE 2269 case IFM_10G_SR: /* KR, too */ 2270 case IFM_10G_CX4: /* KX4 */ 2271 #else 2272 case IFM_10G_KR: 2273 case IFM_10G_KX4: 2274 #endif 2275 speed |= IXGBE_LINK_SPEED_1GB_FULL; 2276 speed |= IXGBE_LINK_SPEED_10GB_FULL; 2277 break; 2278 #ifndef IFM_ETH_XTYPE 2279 case IFM_1000_CX: /* KX */ 2280 #else 2281 case IFM_1000_KX: 2282 #endif 2283 case IFM_1000_LX: 2284 case IFM_1000_SX: 2285 speed |= IXGBE_LINK_SPEED_1GB_FULL; 2286 break; 2287 case IFM_1000_T: 2288 speed |= IXGBE_LINK_SPEED_100_FULL; 2289 speed |= IXGBE_LINK_SPEED_1GB_FULL; 2290 break; 2291 case IFM_10G_TWINAX: 2292 speed |= IXGBE_LINK_SPEED_10GB_FULL; 2293 break; 2294 case IFM_100_TX: 2295 speed |= IXGBE_LINK_SPEED_100_FULL; 2296 break; 2297 case IFM_10_T: 2298 speed |= IXGBE_LINK_SPEED_10_FULL; 2299 break; 2300 default: 2301 goto invalid; 2302 } 2303 2304 hw->mac.autotry_restart = TRUE; 2305 hw->mac.ops.setup_link(hw, speed, TRUE); 2306 adapter->advertise = 2307 ((speed & IXGBE_LINK_SPEED_10GB_FULL) ? 4 : 0) | 2308 ((speed & IXGBE_LINK_SPEED_1GB_FULL) ? 2 : 0) | 2309 ((speed & IXGBE_LINK_SPEED_100_FULL) ? 1 : 0) | 2310 ((speed & IXGBE_LINK_SPEED_10_FULL) ? 8 : 0); 2311 2312 return (0); 2313 2314 invalid: 2315 device_printf(iflib_get_dev(ctx), "Invalid media type!\n"); 2316 2317 return (EINVAL); 2318 } /* ixgbe_if_media_change */ 2319 2320 /************************************************************************ 2321 * ixgbe_set_promisc 2322 ************************************************************************/ 2323 static int 2324 ixgbe_if_promisc_set(if_ctx_t ctx, int flags) 2325 { 2326 struct adapter *adapter = iflib_get_softc(ctx); 2327 struct ifnet *ifp = iflib_get_ifp(ctx); 2328 u32 rctl; 2329 int mcnt = 0; 2330 2331 rctl = IXGBE_READ_REG(&adapter->hw, IXGBE_FCTRL); 2332 rctl &= (~IXGBE_FCTRL_UPE); 2333 if (ifp->if_flags & IFF_ALLMULTI) 2334 mcnt = MAX_NUM_MULTICAST_ADDRESSES; 2335 else { 2336 mcnt = if_multiaddr_count(ifp, MAX_NUM_MULTICAST_ADDRESSES); 2337 } 2338 if (mcnt < MAX_NUM_MULTICAST_ADDRESSES) 2339 rctl &= (~IXGBE_FCTRL_MPE); 2340 IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCTRL, rctl); 2341 2342 if (ifp->if_flags & IFF_PROMISC) { 2343 rctl |= (IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE); 2344 IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCTRL, rctl); 2345 } else if (ifp->if_flags & IFF_ALLMULTI) { 2346 rctl |= IXGBE_FCTRL_MPE; 2347 rctl &= ~IXGBE_FCTRL_UPE; 2348 IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCTRL, rctl); 2349 } 2350 return (0); 2351 } /* ixgbe_if_promisc_set */ 2352 2353 /************************************************************************ 2354 * ixgbe_msix_link - Link status change ISR (MSI/MSI-X) 2355 ************************************************************************/ 2356 static int 2357 ixgbe_msix_link(void *arg) 2358 { 2359 struct adapter *adapter = arg; 2360 struct ixgbe_hw *hw = &adapter->hw; 2361 u32 eicr, eicr_mask; 2362 s32 retval; 2363 2364 ++adapter->link_irq; 2365 2366 /* Pause other interrupts */ 2367 IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_EIMC_OTHER); 2368 2369 /* First get the cause */ 2370 eicr = IXGBE_READ_REG(hw, IXGBE_EICS); 2371 /* Be sure the queue bits are not cleared */ 2372 eicr &= ~IXGBE_EICR_RTX_QUEUE; 2373 /* Clear interrupt with write */ 2374 IXGBE_WRITE_REG(hw, IXGBE_EICR, eicr); 2375 2376 /* Link status change */ 2377 if (eicr & IXGBE_EICR_LSC) { 2378 IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_EIMC_LSC); 2379 adapter->task_requests |= IXGBE_REQUEST_TASK_LSC; 2380 } 2381 2382 if (adapter->hw.mac.type != ixgbe_mac_82598EB) { 2383 if ((adapter->feat_en & IXGBE_FEATURE_FDIR) && 2384 (eicr & IXGBE_EICR_FLOW_DIR)) { 2385 /* This is probably overkill :) */ 2386 if (!atomic_cmpset_int(&adapter->fdir_reinit, 0, 1)) 2387 return (FILTER_HANDLED); 2388 /* Disable the interrupt */ 2389 IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_EICR_FLOW_DIR); 2390 adapter->task_requests |= IXGBE_REQUEST_TASK_FDIR; 2391 } else 2392 if (eicr & IXGBE_EICR_ECC) { 2393 device_printf(iflib_get_dev(adapter->ctx), 2394 "\nCRITICAL: ECC ERROR!! Please Reboot!!\n"); 2395 IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_ECC); 2396 } 2397 2398 /* Check for over temp condition */ 2399 if (adapter->feat_en & IXGBE_FEATURE_TEMP_SENSOR) { 2400 switch (adapter->hw.mac.type) { 2401 case ixgbe_mac_X550EM_a: 2402 if (!(eicr & IXGBE_EICR_GPI_SDP0_X550EM_a)) 2403 break; 2404 IXGBE_WRITE_REG(hw, IXGBE_EIMC, 2405 IXGBE_EICR_GPI_SDP0_X550EM_a); 2406 IXGBE_WRITE_REG(hw, IXGBE_EICR, 2407 IXGBE_EICR_GPI_SDP0_X550EM_a); 2408 retval = hw->phy.ops.check_overtemp(hw); 2409 if (retval != IXGBE_ERR_OVERTEMP) 2410 break; 2411 device_printf(iflib_get_dev(adapter->ctx), 2412 "\nCRITICAL: OVER TEMP!! PHY IS SHUT DOWN!!\n"); 2413 device_printf(iflib_get_dev(adapter->ctx), 2414 "System shutdown required!\n"); 2415 break; 2416 default: 2417 if (!(eicr & IXGBE_EICR_TS)) 2418 break; 2419 retval = hw->phy.ops.check_overtemp(hw); 2420 if (retval != IXGBE_ERR_OVERTEMP) 2421 break; 2422 device_printf(iflib_get_dev(adapter->ctx), 2423 "\nCRITICAL: OVER TEMP!! PHY IS SHUT DOWN!!\n"); 2424 device_printf(iflib_get_dev(adapter->ctx), 2425 "System shutdown required!\n"); 2426 IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_TS); 2427 break; 2428 } 2429 } 2430 2431 /* Check for VF message */ 2432 if ((adapter->feat_en & IXGBE_FEATURE_SRIOV) && 2433 (eicr & IXGBE_EICR_MAILBOX)) 2434 adapter->task_requests |= IXGBE_REQUEST_TASK_MBX; 2435 } 2436 2437 if (ixgbe_is_sfp(hw)) { 2438 /* Pluggable optics-related interrupt */ 2439 if (hw->mac.type >= ixgbe_mac_X540) 2440 eicr_mask = IXGBE_EICR_GPI_SDP0_X540; 2441 else 2442 eicr_mask = IXGBE_EICR_GPI_SDP2_BY_MAC(hw); 2443 2444 if (eicr & eicr_mask) { 2445 IXGBE_WRITE_REG(hw, IXGBE_EICR, eicr_mask); 2446 adapter->task_requests |= IXGBE_REQUEST_TASK_MOD; 2447 } 2448 2449 if ((hw->mac.type == ixgbe_mac_82599EB) && 2450 (eicr & IXGBE_EICR_GPI_SDP1_BY_MAC(hw))) { 2451 IXGBE_WRITE_REG(hw, IXGBE_EICR, 2452 IXGBE_EICR_GPI_SDP1_BY_MAC(hw)); 2453 adapter->task_requests |= IXGBE_REQUEST_TASK_MSF; 2454 } 2455 } 2456 2457 /* Check for fan failure */ 2458 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) { 2459 ixgbe_check_fan_failure(adapter, eicr, TRUE); 2460 IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_GPI_SDP1_BY_MAC(hw)); 2461 } 2462 2463 /* External PHY interrupt */ 2464 if ((hw->phy.type == ixgbe_phy_x550em_ext_t) && 2465 (eicr & IXGBE_EICR_GPI_SDP0_X540)) { 2466 IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_GPI_SDP0_X540); 2467 adapter->task_requests |= IXGBE_REQUEST_TASK_PHY; 2468 } 2469 2470 return (adapter->task_requests != 0) ? FILTER_SCHEDULE_THREAD : FILTER_HANDLED; 2471 } /* ixgbe_msix_link */ 2472 2473 /************************************************************************ 2474 * ixgbe_sysctl_interrupt_rate_handler 2475 ************************************************************************/ 2476 static int 2477 ixgbe_sysctl_interrupt_rate_handler(SYSCTL_HANDLER_ARGS) 2478 { 2479 struct ix_rx_queue *que = ((struct ix_rx_queue *)oidp->oid_arg1); 2480 int error; 2481 unsigned int reg, usec, rate; 2482 2483 reg = IXGBE_READ_REG(&que->adapter->hw, IXGBE_EITR(que->msix)); 2484 usec = ((reg & 0x0FF8) >> 3); 2485 if (usec > 0) 2486 rate = 500000 / usec; 2487 else 2488 rate = 0; 2489 error = sysctl_handle_int(oidp, &rate, 0, req); 2490 if (error || !req->newptr) 2491 return error; 2492 reg &= ~0xfff; /* default, no limitation */ 2493 ixgbe_max_interrupt_rate = 0; 2494 if (rate > 0 && rate < 500000) { 2495 if (rate < 1000) 2496 rate = 1000; 2497 ixgbe_max_interrupt_rate = rate; 2498 reg |= ((4000000/rate) & 0xff8); 2499 } 2500 IXGBE_WRITE_REG(&que->adapter->hw, IXGBE_EITR(que->msix), reg); 2501 2502 return (0); 2503 } /* ixgbe_sysctl_interrupt_rate_handler */ 2504 2505 /************************************************************************ 2506 * ixgbe_add_device_sysctls 2507 ************************************************************************/ 2508 static void 2509 ixgbe_add_device_sysctls(if_ctx_t ctx) 2510 { 2511 struct adapter *adapter = iflib_get_softc(ctx); 2512 device_t dev = iflib_get_dev(ctx); 2513 struct ixgbe_hw *hw = &adapter->hw; 2514 struct sysctl_oid_list *child; 2515 struct sysctl_ctx_list *ctx_list; 2516 2517 ctx_list = device_get_sysctl_ctx(dev); 2518 child = SYSCTL_CHILDREN(device_get_sysctl_tree(dev)); 2519 2520 /* Sysctls for all devices */ 2521 SYSCTL_ADD_PROC(ctx_list, child, OID_AUTO, "fc", 2522 CTLTYPE_INT | CTLFLAG_RW, adapter, 0, ixgbe_sysctl_flowcntl, "I", 2523 IXGBE_SYSCTL_DESC_SET_FC); 2524 2525 SYSCTL_ADD_PROC(ctx_list, child, OID_AUTO, "advertise_speed", 2526 CTLTYPE_INT | CTLFLAG_RW, adapter, 0, ixgbe_sysctl_advertise, "I", 2527 IXGBE_SYSCTL_DESC_ADV_SPEED); 2528 2529 #ifdef IXGBE_DEBUG 2530 /* testing sysctls (for all devices) */ 2531 SYSCTL_ADD_PROC(ctx_list, child, OID_AUTO, "power_state", 2532 CTLTYPE_INT | CTLFLAG_RW, adapter, 0, ixgbe_sysctl_power_state, 2533 "I", "PCI Power State"); 2534 2535 SYSCTL_ADD_PROC(ctx_list, child, OID_AUTO, "print_rss_config", 2536 CTLTYPE_STRING | CTLFLAG_RD, adapter, 0, 2537 ixgbe_sysctl_print_rss_config, "A", "Prints RSS Configuration"); 2538 #endif 2539 /* for X550 series devices */ 2540 if (hw->mac.type >= ixgbe_mac_X550) 2541 SYSCTL_ADD_PROC(ctx_list, child, OID_AUTO, "dmac", 2542 CTLTYPE_U16 | CTLFLAG_RW, adapter, 0, ixgbe_sysctl_dmac, 2543 "I", "DMA Coalesce"); 2544 2545 /* for WoL-capable devices */ 2546 if (hw->device_id == IXGBE_DEV_ID_X550EM_X_10G_T) { 2547 SYSCTL_ADD_PROC(ctx_list, child, OID_AUTO, "wol_enable", 2548 CTLTYPE_INT | CTLFLAG_RW, adapter, 0, 2549 ixgbe_sysctl_wol_enable, "I", "Enable/Disable Wake on LAN"); 2550 2551 SYSCTL_ADD_PROC(ctx_list, child, OID_AUTO, "wufc", 2552 CTLTYPE_U32 | CTLFLAG_RW, adapter, 0, ixgbe_sysctl_wufc, 2553 "I", "Enable/Disable Wake Up Filters"); 2554 } 2555 2556 /* for X552/X557-AT devices */ 2557 if (hw->device_id == IXGBE_DEV_ID_X550EM_X_10G_T) { 2558 struct sysctl_oid *phy_node; 2559 struct sysctl_oid_list *phy_list; 2560 2561 phy_node = SYSCTL_ADD_NODE(ctx_list, child, OID_AUTO, "phy", 2562 CTLFLAG_RD, NULL, "External PHY sysctls"); 2563 phy_list = SYSCTL_CHILDREN(phy_node); 2564 2565 SYSCTL_ADD_PROC(ctx_list, phy_list, OID_AUTO, "temp", 2566 CTLTYPE_U16 | CTLFLAG_RD, adapter, 0, ixgbe_sysctl_phy_temp, 2567 "I", "Current External PHY Temperature (Celsius)"); 2568 2569 SYSCTL_ADD_PROC(ctx_list, phy_list, OID_AUTO, 2570 "overtemp_occurred", CTLTYPE_U16 | CTLFLAG_RD, adapter, 0, 2571 ixgbe_sysctl_phy_overtemp_occurred, "I", 2572 "External PHY High Temperature Event Occurred"); 2573 } 2574 2575 if (adapter->feat_cap & IXGBE_FEATURE_EEE) { 2576 SYSCTL_ADD_PROC(ctx_list, child, OID_AUTO, "eee_state", 2577 CTLTYPE_INT | CTLFLAG_RW, adapter, 0, 2578 ixgbe_sysctl_eee_state, "I", "EEE Power Save State"); 2579 } 2580 } /* ixgbe_add_device_sysctls */ 2581 2582 /************************************************************************ 2583 * ixgbe_allocate_pci_resources 2584 ************************************************************************/ 2585 static int 2586 ixgbe_allocate_pci_resources(if_ctx_t ctx) 2587 { 2588 struct adapter *adapter = iflib_get_softc(ctx); 2589 device_t dev = iflib_get_dev(ctx); 2590 int rid; 2591 2592 rid = PCIR_BAR(0); 2593 adapter->pci_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, 2594 RF_ACTIVE); 2595 2596 if (!(adapter->pci_mem)) { 2597 device_printf(dev, "Unable to allocate bus resource: memory\n"); 2598 return (ENXIO); 2599 } 2600 2601 /* Save bus_space values for READ/WRITE_REG macros */ 2602 adapter->osdep.mem_bus_space_tag = rman_get_bustag(adapter->pci_mem); 2603 adapter->osdep.mem_bus_space_handle = 2604 rman_get_bushandle(adapter->pci_mem); 2605 /* Set hw values for shared code */ 2606 adapter->hw.hw_addr = (u8 *)&adapter->osdep.mem_bus_space_handle; 2607 2608 return (0); 2609 } /* ixgbe_allocate_pci_resources */ 2610 2611 /************************************************************************ 2612 * ixgbe_detach - Device removal routine 2613 * 2614 * Called when the driver is being removed. 2615 * Stops the adapter and deallocates all the resources 2616 * that were allocated for driver operation. 2617 * 2618 * return 0 on success, positive on failure 2619 ************************************************************************/ 2620 static int 2621 ixgbe_if_detach(if_ctx_t ctx) 2622 { 2623 struct adapter *adapter = iflib_get_softc(ctx); 2624 device_t dev = iflib_get_dev(ctx); 2625 u32 ctrl_ext; 2626 2627 INIT_DEBUGOUT("ixgbe_detach: begin"); 2628 2629 if (ixgbe_pci_iov_detach(dev) != 0) { 2630 device_printf(dev, "SR-IOV in use; detach first.\n"); 2631 return (EBUSY); 2632 } 2633 2634 ixgbe_setup_low_power_mode(ctx); 2635 2636 /* let hardware know driver is unloading */ 2637 ctrl_ext = IXGBE_READ_REG(&adapter->hw, IXGBE_CTRL_EXT); 2638 ctrl_ext &= ~IXGBE_CTRL_EXT_DRV_LOAD; 2639 IXGBE_WRITE_REG(&adapter->hw, IXGBE_CTRL_EXT, ctrl_ext); 2640 2641 ixgbe_free_pci_resources(ctx); 2642 free(adapter->mta, M_IXGBE); 2643 2644 return (0); 2645 } /* ixgbe_if_detach */ 2646 2647 /************************************************************************ 2648 * ixgbe_setup_low_power_mode - LPLU/WoL preparation 2649 * 2650 * Prepare the adapter/port for LPLU and/or WoL 2651 ************************************************************************/ 2652 static int 2653 ixgbe_setup_low_power_mode(if_ctx_t ctx) 2654 { 2655 struct adapter *adapter = iflib_get_softc(ctx); 2656 struct ixgbe_hw *hw = &adapter->hw; 2657 device_t dev = iflib_get_dev(ctx); 2658 s32 error = 0; 2659 2660 if (!hw->wol_enabled) 2661 ixgbe_set_phy_power(hw, FALSE); 2662 2663 /* Limit power management flow to X550EM baseT */ 2664 if (hw->device_id == IXGBE_DEV_ID_X550EM_X_10G_T && 2665 hw->phy.ops.enter_lplu) { 2666 /* Turn off support for APM wakeup. (Using ACPI instead) */ 2667 IXGBE_WRITE_REG(hw, IXGBE_GRC, 2668 IXGBE_READ_REG(hw, IXGBE_GRC) & ~(u32)2); 2669 2670 /* 2671 * Clear Wake Up Status register to prevent any previous wakeup 2672 * events from waking us up immediately after we suspend. 2673 */ 2674 IXGBE_WRITE_REG(hw, IXGBE_WUS, 0xffffffff); 2675 2676 /* 2677 * Program the Wakeup Filter Control register with user filter 2678 * settings 2679 */ 2680 IXGBE_WRITE_REG(hw, IXGBE_WUFC, adapter->wufc); 2681 2682 /* Enable wakeups and power management in Wakeup Control */ 2683 IXGBE_WRITE_REG(hw, IXGBE_WUC, 2684 IXGBE_WUC_WKEN | IXGBE_WUC_PME_EN); 2685 2686 /* X550EM baseT adapters need a special LPLU flow */ 2687 hw->phy.reset_disable = TRUE; 2688 ixgbe_if_stop(ctx); 2689 error = hw->phy.ops.enter_lplu(hw); 2690 if (error) 2691 device_printf(dev, "Error entering LPLU: %d\n", error); 2692 hw->phy.reset_disable = FALSE; 2693 } else { 2694 /* Just stop for other adapters */ 2695 ixgbe_if_stop(ctx); 2696 } 2697 2698 return error; 2699 } /* ixgbe_setup_low_power_mode */ 2700 2701 /************************************************************************ 2702 * ixgbe_shutdown - Shutdown entry point 2703 ************************************************************************/ 2704 static int 2705 ixgbe_if_shutdown(if_ctx_t ctx) 2706 { 2707 int error = 0; 2708 2709 INIT_DEBUGOUT("ixgbe_shutdown: begin"); 2710 2711 error = ixgbe_setup_low_power_mode(ctx); 2712 2713 return (error); 2714 } /* ixgbe_if_shutdown */ 2715 2716 /************************************************************************ 2717 * ixgbe_suspend 2718 * 2719 * From D0 to D3 2720 ************************************************************************/ 2721 static int 2722 ixgbe_if_suspend(if_ctx_t ctx) 2723 { 2724 int error = 0; 2725 2726 INIT_DEBUGOUT("ixgbe_suspend: begin"); 2727 2728 error = ixgbe_setup_low_power_mode(ctx); 2729 2730 return (error); 2731 } /* ixgbe_if_suspend */ 2732 2733 /************************************************************************ 2734 * ixgbe_resume 2735 * 2736 * From D3 to D0 2737 ************************************************************************/ 2738 static int 2739 ixgbe_if_resume(if_ctx_t ctx) 2740 { 2741 struct adapter *adapter = iflib_get_softc(ctx); 2742 device_t dev = iflib_get_dev(ctx); 2743 struct ifnet *ifp = iflib_get_ifp(ctx); 2744 struct ixgbe_hw *hw = &adapter->hw; 2745 u32 wus; 2746 2747 INIT_DEBUGOUT("ixgbe_resume: begin"); 2748 2749 /* Read & clear WUS register */ 2750 wus = IXGBE_READ_REG(hw, IXGBE_WUS); 2751 if (wus) 2752 device_printf(dev, "Woken up by (WUS): %#010x\n", 2753 IXGBE_READ_REG(hw, IXGBE_WUS)); 2754 IXGBE_WRITE_REG(hw, IXGBE_WUS, 0xffffffff); 2755 /* And clear WUFC until next low-power transition */ 2756 IXGBE_WRITE_REG(hw, IXGBE_WUFC, 0); 2757 2758 /* 2759 * Required after D3->D0 transition; 2760 * will re-advertise all previous advertised speeds 2761 */ 2762 if (ifp->if_flags & IFF_UP) 2763 ixgbe_if_init(ctx); 2764 2765 return (0); 2766 } /* ixgbe_if_resume */ 2767 2768 /************************************************************************ 2769 * ixgbe_if_mtu_set - Ioctl mtu entry point 2770 * 2771 * Return 0 on success, EINVAL on failure 2772 ************************************************************************/ 2773 static int 2774 ixgbe_if_mtu_set(if_ctx_t ctx, uint32_t mtu) 2775 { 2776 struct adapter *adapter = iflib_get_softc(ctx); 2777 int error = 0; 2778 2779 IOCTL_DEBUGOUT("ioctl: SIOCIFMTU (Set Interface MTU)"); 2780 2781 if (mtu > IXGBE_MAX_MTU) { 2782 error = EINVAL; 2783 } else { 2784 adapter->max_frame_size = mtu + IXGBE_MTU_HDR; 2785 } 2786 2787 return error; 2788 } /* ixgbe_if_mtu_set */ 2789 2790 /************************************************************************ 2791 * ixgbe_if_crcstrip_set 2792 ************************************************************************/ 2793 static void 2794 ixgbe_if_crcstrip_set(if_ctx_t ctx, int onoff, int crcstrip) 2795 { 2796 struct adapter *sc = iflib_get_softc(ctx); 2797 struct ixgbe_hw *hw = &sc->hw; 2798 /* crc stripping is set in two places: 2799 * IXGBE_HLREG0 (modified on init_locked and hw reset) 2800 * IXGBE_RDRXCTL (set by the original driver in 2801 * ixgbe_setup_hw_rsc() called in init_locked. 2802 * We disable the setting when netmap is compiled in). 2803 * We update the values here, but also in ixgbe.c because 2804 * init_locked sometimes is called outside our control. 2805 */ 2806 uint32_t hl, rxc; 2807 2808 hl = IXGBE_READ_REG(hw, IXGBE_HLREG0); 2809 rxc = IXGBE_READ_REG(hw, IXGBE_RDRXCTL); 2810 #ifdef NETMAP 2811 if (netmap_verbose) 2812 D("%s read HLREG 0x%x rxc 0x%x", 2813 onoff ? "enter" : "exit", hl, rxc); 2814 #endif 2815 /* hw requirements ... */ 2816 rxc &= ~IXGBE_RDRXCTL_RSCFRSTSIZE; 2817 rxc |= IXGBE_RDRXCTL_RSCACKC; 2818 if (onoff && !crcstrip) { 2819 /* keep the crc. Fast rx */ 2820 hl &= ~IXGBE_HLREG0_RXCRCSTRP; 2821 rxc &= ~IXGBE_RDRXCTL_CRCSTRIP; 2822 } else { 2823 /* reset default mode */ 2824 hl |= IXGBE_HLREG0_RXCRCSTRP; 2825 rxc |= IXGBE_RDRXCTL_CRCSTRIP; 2826 } 2827 #ifdef NETMAP 2828 if (netmap_verbose) 2829 D("%s write HLREG 0x%x rxc 0x%x", 2830 onoff ? "enter" : "exit", hl, rxc); 2831 #endif 2832 IXGBE_WRITE_REG(hw, IXGBE_HLREG0, hl); 2833 IXGBE_WRITE_REG(hw, IXGBE_RDRXCTL, rxc); 2834 } /* ixgbe_if_crcstrip_set */ 2835 2836 /********************************************************************* 2837 * ixgbe_if_init - Init entry point 2838 * 2839 * Used in two ways: It is used by the stack as an init 2840 * entry point in network interface structure. It is also 2841 * used by the driver as a hw/sw initialization routine to 2842 * get to a consistent state. 2843 * 2844 * Return 0 on success, positive on failure 2845 **********************************************************************/ 2846 void 2847 ixgbe_if_init(if_ctx_t ctx) 2848 { 2849 struct adapter *adapter = iflib_get_softc(ctx); 2850 struct ifnet *ifp = iflib_get_ifp(ctx); 2851 device_t dev = iflib_get_dev(ctx); 2852 struct ixgbe_hw *hw = &adapter->hw; 2853 struct ix_rx_queue *rx_que; 2854 struct ix_tx_queue *tx_que; 2855 u32 txdctl, mhadd; 2856 u32 rxdctl, rxctrl; 2857 u32 ctrl_ext; 2858 2859 int i, j, err; 2860 2861 INIT_DEBUGOUT("ixgbe_if_init: begin"); 2862 2863 /* Queue indices may change with IOV mode */ 2864 ixgbe_align_all_queue_indices(adapter); 2865 2866 /* reprogram the RAR[0] in case user changed it. */ 2867 ixgbe_set_rar(hw, 0, hw->mac.addr, adapter->pool, IXGBE_RAH_AV); 2868 2869 /* Get the latest mac address, User can use a LAA */ 2870 bcopy(IF_LLADDR(ifp), hw->mac.addr, IXGBE_ETH_LENGTH_OF_ADDRESS); 2871 ixgbe_set_rar(hw, 0, hw->mac.addr, adapter->pool, 1); 2872 hw->addr_ctrl.rar_used_count = 1; 2873 2874 ixgbe_init_hw(hw); 2875 2876 ixgbe_initialize_iov(adapter); 2877 2878 ixgbe_initialize_transmit_units(ctx); 2879 2880 /* Setup Multicast table */ 2881 ixgbe_if_multi_set(ctx); 2882 2883 /* Determine the correct mbuf pool, based on frame size */ 2884 adapter->rx_mbuf_sz = iflib_get_rx_mbuf_sz(ctx); 2885 2886 /* Configure RX settings */ 2887 ixgbe_initialize_receive_units(ctx); 2888 2889 /* 2890 * Initialize variable holding task enqueue requests 2891 * from MSI-X interrupts 2892 */ 2893 adapter->task_requests = 0; 2894 2895 /* Enable SDP & MSI-X interrupts based on adapter */ 2896 ixgbe_config_gpie(adapter); 2897 2898 /* Set MTU size */ 2899 if (ifp->if_mtu > ETHERMTU) { 2900 /* aka IXGBE_MAXFRS on 82599 and newer */ 2901 mhadd = IXGBE_READ_REG(hw, IXGBE_MHADD); 2902 mhadd &= ~IXGBE_MHADD_MFS_MASK; 2903 mhadd |= adapter->max_frame_size << IXGBE_MHADD_MFS_SHIFT; 2904 IXGBE_WRITE_REG(hw, IXGBE_MHADD, mhadd); 2905 } 2906 2907 /* Now enable all the queues */ 2908 for (i = 0, tx_que = adapter->tx_queues; i < adapter->num_tx_queues; i++, tx_que++) { 2909 struct tx_ring *txr = &tx_que->txr; 2910 2911 txdctl = IXGBE_READ_REG(hw, IXGBE_TXDCTL(txr->me)); 2912 txdctl |= IXGBE_TXDCTL_ENABLE; 2913 /* Set WTHRESH to 8, burst writeback */ 2914 txdctl |= (8 << 16); 2915 /* 2916 * When the internal queue falls below PTHRESH (32), 2917 * start prefetching as long as there are at least 2918 * HTHRESH (1) buffers ready. The values are taken 2919 * from the Intel linux driver 3.8.21. 2920 * Prefetching enables tx line rate even with 1 queue. 2921 */ 2922 txdctl |= (32 << 0) | (1 << 8); 2923 IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(txr->me), txdctl); 2924 } 2925 2926 for (i = 0, rx_que = adapter->rx_queues; i < adapter->num_rx_queues; i++, rx_que++) { 2927 struct rx_ring *rxr = &rx_que->rxr; 2928 2929 rxdctl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(rxr->me)); 2930 if (hw->mac.type == ixgbe_mac_82598EB) { 2931 /* 2932 * PTHRESH = 21 2933 * HTHRESH = 4 2934 * WTHRESH = 8 2935 */ 2936 rxdctl &= ~0x3FFFFF; 2937 rxdctl |= 0x080420; 2938 } 2939 rxdctl |= IXGBE_RXDCTL_ENABLE; 2940 IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(rxr->me), rxdctl); 2941 for (j = 0; j < 10; j++) { 2942 if (IXGBE_READ_REG(hw, IXGBE_RXDCTL(rxr->me)) & 2943 IXGBE_RXDCTL_ENABLE) 2944 break; 2945 else 2946 msec_delay(1); 2947 } 2948 wmb(); 2949 } 2950 2951 /* Enable Receive engine */ 2952 rxctrl = IXGBE_READ_REG(hw, IXGBE_RXCTRL); 2953 if (hw->mac.type == ixgbe_mac_82598EB) 2954 rxctrl |= IXGBE_RXCTRL_DMBYPS; 2955 rxctrl |= IXGBE_RXCTRL_RXEN; 2956 ixgbe_enable_rx_dma(hw, rxctrl); 2957 2958 /* Set up MSI/MSI-X routing */ 2959 if (ixgbe_enable_msix) { 2960 ixgbe_configure_ivars(adapter); 2961 /* Set up auto-mask */ 2962 if (hw->mac.type == ixgbe_mac_82598EB) 2963 IXGBE_WRITE_REG(hw, IXGBE_EIAM, IXGBE_EICS_RTX_QUEUE); 2964 else { 2965 IXGBE_WRITE_REG(hw, IXGBE_EIAM_EX(0), 0xFFFFFFFF); 2966 IXGBE_WRITE_REG(hw, IXGBE_EIAM_EX(1), 0xFFFFFFFF); 2967 } 2968 } else { /* Simple settings for Legacy/MSI */ 2969 ixgbe_set_ivar(adapter, 0, 0, 0); 2970 ixgbe_set_ivar(adapter, 0, 0, 1); 2971 IXGBE_WRITE_REG(hw, IXGBE_EIAM, IXGBE_EICS_RTX_QUEUE); 2972 } 2973 2974 ixgbe_init_fdir(adapter); 2975 2976 /* 2977 * Check on any SFP devices that 2978 * need to be kick-started 2979 */ 2980 if (hw->phy.type == ixgbe_phy_none) { 2981 err = hw->phy.ops.identify(hw); 2982 if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) { 2983 device_printf(dev, 2984 "Unsupported SFP+ module type was detected.\n"); 2985 return; 2986 } 2987 } 2988 2989 /* Set moderation on the Link interrupt */ 2990 IXGBE_WRITE_REG(hw, IXGBE_EITR(adapter->vector), IXGBE_LINK_ITR); 2991 2992 /* Enable power to the phy. */ 2993 ixgbe_set_phy_power(hw, TRUE); 2994 2995 /* Config/Enable Link */ 2996 ixgbe_config_link(ctx); 2997 2998 /* Hardware Packet Buffer & Flow Control setup */ 2999 ixgbe_config_delay_values(adapter); 3000 3001 /* Initialize the FC settings */ 3002 ixgbe_start_hw(hw); 3003 3004 /* Set up VLAN support and filter */ 3005 ixgbe_setup_vlan_hw_support(ctx); 3006 3007 /* Setup DMA Coalescing */ 3008 ixgbe_config_dmac(adapter); 3009 3010 /* And now turn on interrupts */ 3011 ixgbe_if_enable_intr(ctx); 3012 3013 /* Enable the use of the MBX by the VF's */ 3014 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) { 3015 ctrl_ext = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT); 3016 ctrl_ext |= IXGBE_CTRL_EXT_PFRSTD; 3017 IXGBE_WRITE_REG(hw, IXGBE_CTRL_EXT, ctrl_ext); 3018 } 3019 3020 } /* ixgbe_init_locked */ 3021 3022 /************************************************************************ 3023 * ixgbe_set_ivar 3024 * 3025 * Setup the correct IVAR register for a particular MSI-X interrupt 3026 * (yes this is all very magic and confusing :) 3027 * - entry is the register array entry 3028 * - vector is the MSI-X vector for this queue 3029 * - type is RX/TX/MISC 3030 ************************************************************************/ 3031 static void 3032 ixgbe_set_ivar(struct adapter *adapter, u8 entry, u8 vector, s8 type) 3033 { 3034 struct ixgbe_hw *hw = &adapter->hw; 3035 u32 ivar, index; 3036 3037 vector |= IXGBE_IVAR_ALLOC_VAL; 3038 3039 switch (hw->mac.type) { 3040 case ixgbe_mac_82598EB: 3041 if (type == -1) 3042 entry = IXGBE_IVAR_OTHER_CAUSES_INDEX; 3043 else 3044 entry += (type * 64); 3045 index = (entry >> 2) & 0x1F; 3046 ivar = IXGBE_READ_REG(hw, IXGBE_IVAR(index)); 3047 ivar &= ~(0xFF << (8 * (entry & 0x3))); 3048 ivar |= (vector << (8 * (entry & 0x3))); 3049 IXGBE_WRITE_REG(&adapter->hw, IXGBE_IVAR(index), ivar); 3050 break; 3051 case ixgbe_mac_82599EB: 3052 case ixgbe_mac_X540: 3053 case ixgbe_mac_X550: 3054 case ixgbe_mac_X550EM_x: 3055 case ixgbe_mac_X550EM_a: 3056 if (type == -1) { /* MISC IVAR */ 3057 index = (entry & 1) * 8; 3058 ivar = IXGBE_READ_REG(hw, IXGBE_IVAR_MISC); 3059 ivar &= ~(0xFF << index); 3060 ivar |= (vector << index); 3061 IXGBE_WRITE_REG(hw, IXGBE_IVAR_MISC, ivar); 3062 } else { /* RX/TX IVARS */ 3063 index = (16 * (entry & 1)) + (8 * type); 3064 ivar = IXGBE_READ_REG(hw, IXGBE_IVAR(entry >> 1)); 3065 ivar &= ~(0xFF << index); 3066 ivar |= (vector << index); 3067 IXGBE_WRITE_REG(hw, IXGBE_IVAR(entry >> 1), ivar); 3068 } 3069 default: 3070 break; 3071 } 3072 } /* ixgbe_set_ivar */ 3073 3074 /************************************************************************ 3075 * ixgbe_configure_ivars 3076 ************************************************************************/ 3077 static void 3078 ixgbe_configure_ivars(struct adapter *adapter) 3079 { 3080 struct ix_rx_queue *rx_que = adapter->rx_queues; 3081 struct ix_tx_queue *tx_que = adapter->tx_queues; 3082 u32 newitr; 3083 3084 if (ixgbe_max_interrupt_rate > 0) 3085 newitr = (4000000 / ixgbe_max_interrupt_rate) & 0x0FF8; 3086 else { 3087 /* 3088 * Disable DMA coalescing if interrupt moderation is 3089 * disabled. 3090 */ 3091 adapter->dmac = 0; 3092 newitr = 0; 3093 } 3094 3095 for (int i = 0; i < adapter->num_rx_queues; i++, rx_que++) { 3096 struct rx_ring *rxr = &rx_que->rxr; 3097 3098 /* First the RX queue entry */ 3099 ixgbe_set_ivar(adapter, rxr->me, rx_que->msix, 0); 3100 3101 /* Set an Initial EITR value */ 3102 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EITR(rx_que->msix), newitr); 3103 } 3104 for (int i = 0; i < adapter->num_tx_queues; i++, tx_que++) { 3105 struct tx_ring *txr = &tx_que->txr; 3106 3107 /* ... and the TX */ 3108 ixgbe_set_ivar(adapter, txr->me, tx_que->msix, 1); 3109 } 3110 /* For the Link interrupt */ 3111 ixgbe_set_ivar(adapter, 1, adapter->vector, -1); 3112 } /* ixgbe_configure_ivars */ 3113 3114 /************************************************************************ 3115 * ixgbe_config_gpie 3116 ************************************************************************/ 3117 static void 3118 ixgbe_config_gpie(struct adapter *adapter) 3119 { 3120 struct ixgbe_hw *hw = &adapter->hw; 3121 u32 gpie; 3122 3123 gpie = IXGBE_READ_REG(hw, IXGBE_GPIE); 3124 3125 if (adapter->intr_type == IFLIB_INTR_MSIX) { 3126 /* Enable Enhanced MSI-X mode */ 3127 gpie |= IXGBE_GPIE_MSIX_MODE 3128 | IXGBE_GPIE_EIAME 3129 | IXGBE_GPIE_PBA_SUPPORT 3130 | IXGBE_GPIE_OCD; 3131 } 3132 3133 /* Fan Failure Interrupt */ 3134 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) 3135 gpie |= IXGBE_SDP1_GPIEN; 3136 3137 /* Thermal Sensor Interrupt */ 3138 if (adapter->feat_en & IXGBE_FEATURE_TEMP_SENSOR) 3139 gpie |= IXGBE_SDP0_GPIEN_X540; 3140 3141 /* Link detection */ 3142 switch (hw->mac.type) { 3143 case ixgbe_mac_82599EB: 3144 gpie |= IXGBE_SDP1_GPIEN | IXGBE_SDP2_GPIEN; 3145 break; 3146 case ixgbe_mac_X550EM_x: 3147 case ixgbe_mac_X550EM_a: 3148 gpie |= IXGBE_SDP0_GPIEN_X540; 3149 break; 3150 default: 3151 break; 3152 } 3153 3154 IXGBE_WRITE_REG(hw, IXGBE_GPIE, gpie); 3155 3156 } /* ixgbe_config_gpie */ 3157 3158 /************************************************************************ 3159 * ixgbe_config_delay_values 3160 * 3161 * Requires adapter->max_frame_size to be set. 3162 ************************************************************************/ 3163 static void 3164 ixgbe_config_delay_values(struct adapter *adapter) 3165 { 3166 struct ixgbe_hw *hw = &adapter->hw; 3167 u32 rxpb, frame, size, tmp; 3168 3169 frame = adapter->max_frame_size; 3170 3171 /* Calculate High Water */ 3172 switch (hw->mac.type) { 3173 case ixgbe_mac_X540: 3174 case ixgbe_mac_X550: 3175 case ixgbe_mac_X550EM_x: 3176 case ixgbe_mac_X550EM_a: 3177 tmp = IXGBE_DV_X540(frame, frame); 3178 break; 3179 default: 3180 tmp = IXGBE_DV(frame, frame); 3181 break; 3182 } 3183 size = IXGBE_BT2KB(tmp); 3184 rxpb = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(0)) >> 10; 3185 hw->fc.high_water[0] = rxpb - size; 3186 3187 /* Now calculate Low Water */ 3188 switch (hw->mac.type) { 3189 case ixgbe_mac_X540: 3190 case ixgbe_mac_X550: 3191 case ixgbe_mac_X550EM_x: 3192 case ixgbe_mac_X550EM_a: 3193 tmp = IXGBE_LOW_DV_X540(frame); 3194 break; 3195 default: 3196 tmp = IXGBE_LOW_DV(frame); 3197 break; 3198 } 3199 hw->fc.low_water[0] = IXGBE_BT2KB(tmp); 3200 3201 hw->fc.pause_time = IXGBE_FC_PAUSE; 3202 hw->fc.send_xon = TRUE; 3203 } /* ixgbe_config_delay_values */ 3204 3205 /************************************************************************ 3206 * ixgbe_set_multi - Multicast Update 3207 * 3208 * Called whenever multicast address list is updated. 3209 ************************************************************************/ 3210 static int 3211 ixgbe_mc_filter_apply(void *arg, struct ifmultiaddr *ifma, int count) 3212 { 3213 struct adapter *adapter = arg; 3214 struct ixgbe_mc_addr *mta = adapter->mta; 3215 3216 if (ifma->ifma_addr->sa_family != AF_LINK) 3217 return (0); 3218 if (count == MAX_NUM_MULTICAST_ADDRESSES) 3219 return (0); 3220 bcopy(LLADDR((struct sockaddr_dl *)ifma->ifma_addr), 3221 mta[count].addr, IXGBE_ETH_LENGTH_OF_ADDRESS); 3222 mta[count].vmdq = adapter->pool; 3223 3224 return (1); 3225 } /* ixgbe_mc_filter_apply */ 3226 3227 static void 3228 ixgbe_if_multi_set(if_ctx_t ctx) 3229 { 3230 struct adapter *adapter = iflib_get_softc(ctx); 3231 struct ixgbe_mc_addr *mta; 3232 struct ifnet *ifp = iflib_get_ifp(ctx); 3233 u8 *update_ptr; 3234 int mcnt = 0; 3235 u32 fctrl; 3236 3237 IOCTL_DEBUGOUT("ixgbe_if_multi_set: begin"); 3238 3239 mta = adapter->mta; 3240 bzero(mta, sizeof(*mta) * MAX_NUM_MULTICAST_ADDRESSES); 3241 3242 mcnt = if_multi_apply(iflib_get_ifp(ctx), ixgbe_mc_filter_apply, adapter); 3243 3244 fctrl = IXGBE_READ_REG(&adapter->hw, IXGBE_FCTRL); 3245 fctrl |= (IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE); 3246 if (ifp->if_flags & IFF_PROMISC) 3247 fctrl |= (IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE); 3248 else if (mcnt >= MAX_NUM_MULTICAST_ADDRESSES || 3249 ifp->if_flags & IFF_ALLMULTI) { 3250 fctrl |= IXGBE_FCTRL_MPE; 3251 fctrl &= ~IXGBE_FCTRL_UPE; 3252 } else 3253 fctrl &= ~(IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE); 3254 3255 IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCTRL, fctrl); 3256 3257 if (mcnt < MAX_NUM_MULTICAST_ADDRESSES) { 3258 update_ptr = (u8 *)mta; 3259 ixgbe_update_mc_addr_list(&adapter->hw, update_ptr, mcnt, 3260 ixgbe_mc_array_itr, TRUE); 3261 } 3262 3263 } /* ixgbe_if_multi_set */ 3264 3265 /************************************************************************ 3266 * ixgbe_mc_array_itr 3267 * 3268 * An iterator function needed by the multicast shared code. 3269 * It feeds the shared code routine the addresses in the 3270 * array of ixgbe_set_multi() one by one. 3271 ************************************************************************/ 3272 static u8 * 3273 ixgbe_mc_array_itr(struct ixgbe_hw *hw, u8 **update_ptr, u32 *vmdq) 3274 { 3275 struct ixgbe_mc_addr *mta; 3276 3277 mta = (struct ixgbe_mc_addr *)*update_ptr; 3278 *vmdq = mta->vmdq; 3279 3280 *update_ptr = (u8*)(mta + 1); 3281 3282 return (mta->addr); 3283 } /* ixgbe_mc_array_itr */ 3284 3285 /************************************************************************ 3286 * ixgbe_local_timer - Timer routine 3287 * 3288 * Checks for link status, updates statistics, 3289 * and runs the watchdog check. 3290 ************************************************************************/ 3291 static void 3292 ixgbe_if_timer(if_ctx_t ctx, uint16_t qid) 3293 { 3294 struct adapter *adapter = iflib_get_softc(ctx); 3295 3296 if (qid != 0) 3297 return; 3298 3299 /* Check for pluggable optics */ 3300 if (adapter->sfp_probe) 3301 if (!ixgbe_sfp_probe(ctx)) 3302 return; /* Nothing to do */ 3303 3304 ixgbe_check_link(&adapter->hw, &adapter->link_speed, 3305 &adapter->link_up, 0); 3306 3307 /* Fire off the adminq task */ 3308 iflib_admin_intr_deferred(ctx); 3309 3310 } /* ixgbe_if_timer */ 3311 3312 /************************************************************************ 3313 * ixgbe_sfp_probe 3314 * 3315 * Determine if a port had optics inserted. 3316 ************************************************************************/ 3317 static bool 3318 ixgbe_sfp_probe(if_ctx_t ctx) 3319 { 3320 struct adapter *adapter = iflib_get_softc(ctx); 3321 struct ixgbe_hw *hw = &adapter->hw; 3322 device_t dev = iflib_get_dev(ctx); 3323 bool result = FALSE; 3324 3325 if ((hw->phy.type == ixgbe_phy_nl) && 3326 (hw->phy.sfp_type == ixgbe_sfp_type_not_present)) { 3327 s32 ret = hw->phy.ops.identify_sfp(hw); 3328 if (ret) 3329 goto out; 3330 ret = hw->phy.ops.reset(hw); 3331 adapter->sfp_probe = FALSE; 3332 if (ret == IXGBE_ERR_SFP_NOT_SUPPORTED) { 3333 device_printf(dev, "Unsupported SFP+ module detected!"); 3334 device_printf(dev, 3335 "Reload driver with supported module.\n"); 3336 goto out; 3337 } else 3338 device_printf(dev, "SFP+ module detected!\n"); 3339 /* We now have supported optics */ 3340 result = TRUE; 3341 } 3342 out: 3343 3344 return (result); 3345 } /* ixgbe_sfp_probe */ 3346 3347 /************************************************************************ 3348 * ixgbe_handle_mod - Tasklet for SFP module interrupts 3349 ************************************************************************/ 3350 static void 3351 ixgbe_handle_mod(void *context) 3352 { 3353 if_ctx_t ctx = context; 3354 struct adapter *adapter = iflib_get_softc(ctx); 3355 struct ixgbe_hw *hw = &adapter->hw; 3356 device_t dev = iflib_get_dev(ctx); 3357 u32 err, cage_full = 0; 3358 3359 if (adapter->hw.need_crosstalk_fix) { 3360 switch (hw->mac.type) { 3361 case ixgbe_mac_82599EB: 3362 cage_full = IXGBE_READ_REG(hw, IXGBE_ESDP) & 3363 IXGBE_ESDP_SDP2; 3364 break; 3365 case ixgbe_mac_X550EM_x: 3366 case ixgbe_mac_X550EM_a: 3367 cage_full = IXGBE_READ_REG(hw, IXGBE_ESDP) & 3368 IXGBE_ESDP_SDP0; 3369 break; 3370 default: 3371 break; 3372 } 3373 3374 if (!cage_full) 3375 goto handle_mod_out; 3376 } 3377 3378 err = hw->phy.ops.identify_sfp(hw); 3379 if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) { 3380 device_printf(dev, 3381 "Unsupported SFP+ module type was detected.\n"); 3382 goto handle_mod_out; 3383 } 3384 3385 if (hw->mac.type == ixgbe_mac_82598EB) 3386 err = hw->phy.ops.reset(hw); 3387 else 3388 err = hw->mac.ops.setup_sfp(hw); 3389 3390 if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) { 3391 device_printf(dev, 3392 "Setup failure - unsupported SFP+ module type.\n"); 3393 goto handle_mod_out; 3394 } 3395 adapter->task_requests |= IXGBE_REQUEST_TASK_MSF; 3396 return; 3397 3398 handle_mod_out: 3399 adapter->task_requests &= ~(IXGBE_REQUEST_TASK_MSF); 3400 } /* ixgbe_handle_mod */ 3401 3402 3403 /************************************************************************ 3404 * ixgbe_handle_msf - Tasklet for MSF (multispeed fiber) interrupts 3405 ************************************************************************/ 3406 static void 3407 ixgbe_handle_msf(void *context) 3408 { 3409 if_ctx_t ctx = context; 3410 struct adapter *adapter = iflib_get_softc(ctx); 3411 struct ixgbe_hw *hw = &adapter->hw; 3412 u32 autoneg; 3413 bool negotiate; 3414 3415 /* get_supported_phy_layer will call hw->phy.ops.identify_sfp() */ 3416 adapter->phy_layer = ixgbe_get_supported_physical_layer(hw); 3417 3418 autoneg = hw->phy.autoneg_advertised; 3419 if ((!autoneg) && (hw->mac.ops.get_link_capabilities)) 3420 hw->mac.ops.get_link_capabilities(hw, &autoneg, &negotiate); 3421 if (hw->mac.ops.setup_link) 3422 hw->mac.ops.setup_link(hw, autoneg, TRUE); 3423 3424 /* Adjust media types shown in ifconfig */ 3425 ifmedia_removeall(adapter->media); 3426 ixgbe_add_media_types(adapter->ctx); 3427 ifmedia_set(adapter->media, IFM_ETHER | IFM_AUTO); 3428 } /* ixgbe_handle_msf */ 3429 3430 /************************************************************************ 3431 * ixgbe_handle_phy - Tasklet for external PHY interrupts 3432 ************************************************************************/ 3433 static void 3434 ixgbe_handle_phy(void *context) 3435 { 3436 if_ctx_t ctx = context; 3437 struct adapter *adapter = iflib_get_softc(ctx); 3438 struct ixgbe_hw *hw = &adapter->hw; 3439 int error; 3440 3441 error = hw->phy.ops.handle_lasi(hw); 3442 if (error == IXGBE_ERR_OVERTEMP) 3443 device_printf(adapter->dev, "CRITICAL: EXTERNAL PHY OVER TEMP!! PHY will downshift to lower power state!\n"); 3444 else if (error) 3445 device_printf(adapter->dev, 3446 "Error handling LASI interrupt: %d\n", error); 3447 } /* ixgbe_handle_phy */ 3448 3449 /************************************************************************ 3450 * ixgbe_if_stop - Stop the hardware 3451 * 3452 * Disables all traffic on the adapter by issuing a 3453 * global reset on the MAC and deallocates TX/RX buffers. 3454 ************************************************************************/ 3455 static void 3456 ixgbe_if_stop(if_ctx_t ctx) 3457 { 3458 struct adapter *adapter = iflib_get_softc(ctx); 3459 struct ixgbe_hw *hw = &adapter->hw; 3460 3461 INIT_DEBUGOUT("ixgbe_if_stop: begin\n"); 3462 3463 ixgbe_reset_hw(hw); 3464 hw->adapter_stopped = FALSE; 3465 ixgbe_stop_adapter(hw); 3466 if (hw->mac.type == ixgbe_mac_82599EB) 3467 ixgbe_stop_mac_link_on_d3_82599(hw); 3468 /* Turn off the laser - noop with no optics */ 3469 ixgbe_disable_tx_laser(hw); 3470 3471 /* Update the stack */ 3472 adapter->link_up = FALSE; 3473 ixgbe_if_update_admin_status(ctx); 3474 3475 /* reprogram the RAR[0] in case user changed it. */ 3476 ixgbe_set_rar(&adapter->hw, 0, adapter->hw.mac.addr, 0, IXGBE_RAH_AV); 3477 3478 return; 3479 } /* ixgbe_if_stop */ 3480 3481 /************************************************************************ 3482 * ixgbe_update_link_status - Update OS on link state 3483 * 3484 * Note: Only updates the OS on the cached link state. 3485 * The real check of the hardware only happens with 3486 * a link interrupt. 3487 ************************************************************************/ 3488 static void 3489 ixgbe_if_update_admin_status(if_ctx_t ctx) 3490 { 3491 struct adapter *adapter = iflib_get_softc(ctx); 3492 device_t dev = iflib_get_dev(ctx); 3493 3494 if (adapter->link_up) { 3495 if (adapter->link_active == FALSE) { 3496 if (bootverbose) 3497 device_printf(dev, "Link is up %d Gbps %s \n", 3498 ((adapter->link_speed == 128) ? 10 : 1), 3499 "Full Duplex"); 3500 adapter->link_active = TRUE; 3501 /* Update any Flow Control changes */ 3502 ixgbe_fc_enable(&adapter->hw); 3503 /* Update DMA coalescing config */ 3504 ixgbe_config_dmac(adapter); 3505 /* should actually be negotiated value */ 3506 iflib_link_state_change(ctx, LINK_STATE_UP, IF_Gbps(10)); 3507 3508 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) 3509 ixgbe_ping_all_vfs(adapter); 3510 } 3511 } else { /* Link down */ 3512 if (adapter->link_active == TRUE) { 3513 if (bootverbose) 3514 device_printf(dev, "Link is Down\n"); 3515 iflib_link_state_change(ctx, LINK_STATE_DOWN, 0); 3516 adapter->link_active = FALSE; 3517 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) 3518 ixgbe_ping_all_vfs(adapter); 3519 } 3520 } 3521 3522 /* Handle task requests from msix_link() */ 3523 if (adapter->task_requests & IXGBE_REQUEST_TASK_MOD) 3524 ixgbe_handle_mod(ctx); 3525 if (adapter->task_requests & IXGBE_REQUEST_TASK_MSF) 3526 ixgbe_handle_msf(ctx); 3527 if (adapter->task_requests & IXGBE_REQUEST_TASK_MBX) 3528 ixgbe_handle_mbx(ctx); 3529 if (adapter->task_requests & IXGBE_REQUEST_TASK_FDIR) 3530 ixgbe_reinit_fdir(ctx); 3531 if (adapter->task_requests & IXGBE_REQUEST_TASK_PHY) 3532 ixgbe_handle_phy(ctx); 3533 adapter->task_requests = 0; 3534 3535 ixgbe_update_stats_counters(adapter); 3536 } /* ixgbe_if_update_admin_status */ 3537 3538 /************************************************************************ 3539 * ixgbe_config_dmac - Configure DMA Coalescing 3540 ************************************************************************/ 3541 static void 3542 ixgbe_config_dmac(struct adapter *adapter) 3543 { 3544 struct ixgbe_hw *hw = &adapter->hw; 3545 struct ixgbe_dmac_config *dcfg = &hw->mac.dmac_config; 3546 3547 if (hw->mac.type < ixgbe_mac_X550 || !hw->mac.ops.dmac_config) 3548 return; 3549 3550 if (dcfg->watchdog_timer ^ adapter->dmac || 3551 dcfg->link_speed ^ adapter->link_speed) { 3552 dcfg->watchdog_timer = adapter->dmac; 3553 dcfg->fcoe_en = FALSE; 3554 dcfg->link_speed = adapter->link_speed; 3555 dcfg->num_tcs = 1; 3556 3557 INIT_DEBUGOUT2("dmac settings: watchdog %d, link speed %d\n", 3558 dcfg->watchdog_timer, dcfg->link_speed); 3559 3560 hw->mac.ops.dmac_config(hw); 3561 } 3562 } /* ixgbe_config_dmac */ 3563 3564 /************************************************************************ 3565 * ixgbe_if_enable_intr 3566 ************************************************************************/ 3567 void 3568 ixgbe_if_enable_intr(if_ctx_t ctx) 3569 { 3570 struct adapter *adapter = iflib_get_softc(ctx); 3571 struct ixgbe_hw *hw = &adapter->hw; 3572 struct ix_rx_queue *que = adapter->rx_queues; 3573 u32 mask, fwsm; 3574 3575 mask = (IXGBE_EIMS_ENABLE_MASK & ~IXGBE_EIMS_RTX_QUEUE); 3576 3577 switch (adapter->hw.mac.type) { 3578 case ixgbe_mac_82599EB: 3579 mask |= IXGBE_EIMS_ECC; 3580 /* Temperature sensor on some adapters */ 3581 mask |= IXGBE_EIMS_GPI_SDP0; 3582 /* SFP+ (RX_LOS_N & MOD_ABS_N) */ 3583 mask |= IXGBE_EIMS_GPI_SDP1; 3584 mask |= IXGBE_EIMS_GPI_SDP2; 3585 break; 3586 case ixgbe_mac_X540: 3587 /* Detect if Thermal Sensor is enabled */ 3588 fwsm = IXGBE_READ_REG(hw, IXGBE_FWSM); 3589 if (fwsm & IXGBE_FWSM_TS_ENABLED) 3590 mask |= IXGBE_EIMS_TS; 3591 mask |= IXGBE_EIMS_ECC; 3592 break; 3593 case ixgbe_mac_X550: 3594 /* MAC thermal sensor is automatically enabled */ 3595 mask |= IXGBE_EIMS_TS; 3596 mask |= IXGBE_EIMS_ECC; 3597 break; 3598 case ixgbe_mac_X550EM_x: 3599 case ixgbe_mac_X550EM_a: 3600 /* Some devices use SDP0 for important information */ 3601 if (hw->device_id == IXGBE_DEV_ID_X550EM_X_SFP || 3602 hw->device_id == IXGBE_DEV_ID_X550EM_A_SFP || 3603 hw->device_id == IXGBE_DEV_ID_X550EM_A_SFP_N || 3604 hw->device_id == IXGBE_DEV_ID_X550EM_X_10G_T) 3605 mask |= IXGBE_EIMS_GPI_SDP0_BY_MAC(hw); 3606 if (hw->phy.type == ixgbe_phy_x550em_ext_t) 3607 mask |= IXGBE_EICR_GPI_SDP0_X540; 3608 mask |= IXGBE_EIMS_ECC; 3609 break; 3610 default: 3611 break; 3612 } 3613 3614 /* Enable Fan Failure detection */ 3615 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) 3616 mask |= IXGBE_EIMS_GPI_SDP1; 3617 /* Enable SR-IOV */ 3618 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) 3619 mask |= IXGBE_EIMS_MAILBOX; 3620 /* Enable Flow Director */ 3621 if (adapter->feat_en & IXGBE_FEATURE_FDIR) 3622 mask |= IXGBE_EIMS_FLOW_DIR; 3623 3624 IXGBE_WRITE_REG(hw, IXGBE_EIMS, mask); 3625 3626 /* With MSI-X we use auto clear */ 3627 if (adapter->intr_type == IFLIB_INTR_MSIX) { 3628 mask = IXGBE_EIMS_ENABLE_MASK; 3629 /* Don't autoclear Link */ 3630 mask &= ~IXGBE_EIMS_OTHER; 3631 mask &= ~IXGBE_EIMS_LSC; 3632 if (adapter->feat_cap & IXGBE_FEATURE_SRIOV) 3633 mask &= ~IXGBE_EIMS_MAILBOX; 3634 IXGBE_WRITE_REG(hw, IXGBE_EIAC, mask); 3635 } 3636 3637 /* 3638 * Now enable all queues, this is done separately to 3639 * allow for handling the extended (beyond 32) MSI-X 3640 * vectors that can be used by 82599 3641 */ 3642 for (int i = 0; i < adapter->num_rx_queues; i++, que++) 3643 ixgbe_enable_queue(adapter, que->msix); 3644 3645 IXGBE_WRITE_FLUSH(hw); 3646 3647 } /* ixgbe_if_enable_intr */ 3648 3649 /************************************************************************ 3650 * ixgbe_disable_intr 3651 ************************************************************************/ 3652 static void 3653 ixgbe_if_disable_intr(if_ctx_t ctx) 3654 { 3655 struct adapter *adapter = iflib_get_softc(ctx); 3656 3657 if (adapter->intr_type == IFLIB_INTR_MSIX) 3658 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIAC, 0); 3659 if (adapter->hw.mac.type == ixgbe_mac_82598EB) { 3660 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, ~0); 3661 } else { 3662 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFF0000); 3663 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC_EX(0), ~0); 3664 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC_EX(1), ~0); 3665 } 3666 IXGBE_WRITE_FLUSH(&adapter->hw); 3667 3668 } /* ixgbe_if_disable_intr */ 3669 3670 /************************************************************************ 3671 * ixgbe_link_intr_enable 3672 ************************************************************************/ 3673 static void 3674 ixgbe_link_intr_enable(if_ctx_t ctx) 3675 { 3676 struct ixgbe_hw *hw = &((struct adapter *)iflib_get_softc(ctx))->hw; 3677 3678 /* Re-enable other interrupts */ 3679 IXGBE_WRITE_REG(hw, IXGBE_EIMS, IXGBE_EIMS_OTHER | IXGBE_EIMS_LSC); 3680 } /* ixgbe_link_intr_enable */ 3681 3682 /************************************************************************ 3683 * ixgbe_if_rx_queue_intr_enable 3684 ************************************************************************/ 3685 static int 3686 ixgbe_if_rx_queue_intr_enable(if_ctx_t ctx, uint16_t rxqid) 3687 { 3688 struct adapter *adapter = iflib_get_softc(ctx); 3689 struct ix_rx_queue *que = &adapter->rx_queues[rxqid]; 3690 3691 ixgbe_enable_queue(adapter, que->msix); 3692 3693 return (0); 3694 } /* ixgbe_if_rx_queue_intr_enable */ 3695 3696 /************************************************************************ 3697 * ixgbe_enable_queue 3698 ************************************************************************/ 3699 static void 3700 ixgbe_enable_queue(struct adapter *adapter, u32 vector) 3701 { 3702 struct ixgbe_hw *hw = &adapter->hw; 3703 u64 queue = 1ULL << vector; 3704 u32 mask; 3705 3706 if (hw->mac.type == ixgbe_mac_82598EB) { 3707 mask = (IXGBE_EIMS_RTX_QUEUE & queue); 3708 IXGBE_WRITE_REG(hw, IXGBE_EIMS, mask); 3709 } else { 3710 mask = (queue & 0xFFFFFFFF); 3711 if (mask) 3712 IXGBE_WRITE_REG(hw, IXGBE_EIMS_EX(0), mask); 3713 mask = (queue >> 32); 3714 if (mask) 3715 IXGBE_WRITE_REG(hw, IXGBE_EIMS_EX(1), mask); 3716 } 3717 } /* ixgbe_enable_queue */ 3718 3719 /************************************************************************ 3720 * ixgbe_disable_queue 3721 ************************************************************************/ 3722 static void 3723 ixgbe_disable_queue(struct adapter *adapter, u32 vector) 3724 { 3725 struct ixgbe_hw *hw = &adapter->hw; 3726 u64 queue = 1ULL << vector; 3727 u32 mask; 3728 3729 if (hw->mac.type == ixgbe_mac_82598EB) { 3730 mask = (IXGBE_EIMS_RTX_QUEUE & queue); 3731 IXGBE_WRITE_REG(hw, IXGBE_EIMC, mask); 3732 } else { 3733 mask = (queue & 0xFFFFFFFF); 3734 if (mask) 3735 IXGBE_WRITE_REG(hw, IXGBE_EIMC_EX(0), mask); 3736 mask = (queue >> 32); 3737 if (mask) 3738 IXGBE_WRITE_REG(hw, IXGBE_EIMC_EX(1), mask); 3739 } 3740 } /* ixgbe_disable_queue */ 3741 3742 /************************************************************************ 3743 * ixgbe_intr - Legacy Interrupt Service Routine 3744 ************************************************************************/ 3745 int 3746 ixgbe_intr(void *arg) 3747 { 3748 struct adapter *adapter = arg; 3749 struct ix_rx_queue *que = adapter->rx_queues; 3750 struct ixgbe_hw *hw = &adapter->hw; 3751 if_ctx_t ctx = adapter->ctx; 3752 u32 eicr, eicr_mask; 3753 3754 eicr = IXGBE_READ_REG(hw, IXGBE_EICR); 3755 3756 ++que->irqs; 3757 if (eicr == 0) { 3758 ixgbe_if_enable_intr(ctx); 3759 return (FILTER_HANDLED); 3760 } 3761 3762 /* Check for fan failure */ 3763 if ((hw->device_id == IXGBE_DEV_ID_82598AT) && 3764 (eicr & IXGBE_EICR_GPI_SDP1)) { 3765 device_printf(adapter->dev, 3766 "\nCRITICAL: FAN FAILURE!! REPLACE IMMEDIATELY!!\n"); 3767 IXGBE_WRITE_REG(hw, IXGBE_EIMS, IXGBE_EICR_GPI_SDP1_BY_MAC(hw)); 3768 } 3769 3770 /* Link status change */ 3771 if (eicr & IXGBE_EICR_LSC) { 3772 IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_EIMC_LSC); 3773 iflib_admin_intr_deferred(ctx); 3774 } 3775 3776 if (ixgbe_is_sfp(hw)) { 3777 /* Pluggable optics-related interrupt */ 3778 if (hw->mac.type >= ixgbe_mac_X540) 3779 eicr_mask = IXGBE_EICR_GPI_SDP0_X540; 3780 else 3781 eicr_mask = IXGBE_EICR_GPI_SDP2_BY_MAC(hw); 3782 3783 if (eicr & eicr_mask) { 3784 IXGBE_WRITE_REG(hw, IXGBE_EICR, eicr_mask); 3785 adapter->task_requests |= IXGBE_REQUEST_TASK_MOD; 3786 } 3787 3788 if ((hw->mac.type == ixgbe_mac_82599EB) && 3789 (eicr & IXGBE_EICR_GPI_SDP1_BY_MAC(hw))) { 3790 IXGBE_WRITE_REG(hw, IXGBE_EICR, 3791 IXGBE_EICR_GPI_SDP1_BY_MAC(hw)); 3792 adapter->task_requests |= IXGBE_REQUEST_TASK_MSF; 3793 } 3794 } 3795 3796 /* External PHY interrupt */ 3797 if ((hw->phy.type == ixgbe_phy_x550em_ext_t) && 3798 (eicr & IXGBE_EICR_GPI_SDP0_X540)) 3799 adapter->task_requests |= IXGBE_REQUEST_TASK_PHY; 3800 3801 return (FILTER_SCHEDULE_THREAD); 3802 } /* ixgbe_intr */ 3803 3804 /************************************************************************ 3805 * ixgbe_free_pci_resources 3806 ************************************************************************/ 3807 static void 3808 ixgbe_free_pci_resources(if_ctx_t ctx) 3809 { 3810 struct adapter *adapter = iflib_get_softc(ctx); 3811 struct ix_rx_queue *que = adapter->rx_queues; 3812 device_t dev = iflib_get_dev(ctx); 3813 3814 /* Release all MSI-X queue resources */ 3815 if (adapter->intr_type == IFLIB_INTR_MSIX) 3816 iflib_irq_free(ctx, &adapter->irq); 3817 3818 if (que != NULL) { 3819 for (int i = 0; i < adapter->num_rx_queues; i++, que++) { 3820 iflib_irq_free(ctx, &que->que_irq); 3821 } 3822 } 3823 3824 if (adapter->pci_mem != NULL) 3825 bus_release_resource(dev, SYS_RES_MEMORY, 3826 rman_get_rid(adapter->pci_mem), adapter->pci_mem); 3827 } /* ixgbe_free_pci_resources */ 3828 3829 /************************************************************************ 3830 * ixgbe_sysctl_flowcntl 3831 * 3832 * SYSCTL wrapper around setting Flow Control 3833 ************************************************************************/ 3834 static int 3835 ixgbe_sysctl_flowcntl(SYSCTL_HANDLER_ARGS) 3836 { 3837 struct adapter *adapter; 3838 int error, fc; 3839 3840 adapter = (struct adapter *)arg1; 3841 fc = adapter->hw.fc.current_mode; 3842 3843 error = sysctl_handle_int(oidp, &fc, 0, req); 3844 if ((error) || (req->newptr == NULL)) 3845 return (error); 3846 3847 /* Don't bother if it's not changed */ 3848 if (fc == adapter->hw.fc.current_mode) 3849 return (0); 3850 3851 return ixgbe_set_flowcntl(adapter, fc); 3852 } /* ixgbe_sysctl_flowcntl */ 3853 3854 /************************************************************************ 3855 * ixgbe_set_flowcntl - Set flow control 3856 * 3857 * Flow control values: 3858 * 0 - off 3859 * 1 - rx pause 3860 * 2 - tx pause 3861 * 3 - full 3862 ************************************************************************/ 3863 static int 3864 ixgbe_set_flowcntl(struct adapter *adapter, int fc) 3865 { 3866 switch (fc) { 3867 case ixgbe_fc_rx_pause: 3868 case ixgbe_fc_tx_pause: 3869 case ixgbe_fc_full: 3870 adapter->hw.fc.requested_mode = fc; 3871 if (adapter->num_rx_queues > 1) 3872 ixgbe_disable_rx_drop(adapter); 3873 break; 3874 case ixgbe_fc_none: 3875 adapter->hw.fc.requested_mode = ixgbe_fc_none; 3876 if (adapter->num_rx_queues > 1) 3877 ixgbe_enable_rx_drop(adapter); 3878 break; 3879 default: 3880 return (EINVAL); 3881 } 3882 3883 /* Don't autoneg if forcing a value */ 3884 adapter->hw.fc.disable_fc_autoneg = TRUE; 3885 ixgbe_fc_enable(&adapter->hw); 3886 3887 return (0); 3888 } /* ixgbe_set_flowcntl */ 3889 3890 /************************************************************************ 3891 * ixgbe_enable_rx_drop 3892 * 3893 * Enable the hardware to drop packets when the buffer is 3894 * full. This is useful with multiqueue, so that no single 3895 * queue being full stalls the entire RX engine. We only 3896 * enable this when Multiqueue is enabled AND Flow Control 3897 * is disabled. 3898 ************************************************************************/ 3899 static void 3900 ixgbe_enable_rx_drop(struct adapter *adapter) 3901 { 3902 struct ixgbe_hw *hw = &adapter->hw; 3903 struct rx_ring *rxr; 3904 u32 srrctl; 3905 3906 for (int i = 0; i < adapter->num_rx_queues; i++) { 3907 rxr = &adapter->rx_queues[i].rxr; 3908 srrctl = IXGBE_READ_REG(hw, IXGBE_SRRCTL(rxr->me)); 3909 srrctl |= IXGBE_SRRCTL_DROP_EN; 3910 IXGBE_WRITE_REG(hw, IXGBE_SRRCTL(rxr->me), srrctl); 3911 } 3912 3913 /* enable drop for each vf */ 3914 for (int i = 0; i < adapter->num_vfs; i++) { 3915 IXGBE_WRITE_REG(hw, IXGBE_QDE, 3916 (IXGBE_QDE_WRITE | (i << IXGBE_QDE_IDX_SHIFT) | 3917 IXGBE_QDE_ENABLE)); 3918 } 3919 } /* ixgbe_enable_rx_drop */ 3920 3921 /************************************************************************ 3922 * ixgbe_disable_rx_drop 3923 ************************************************************************/ 3924 static void 3925 ixgbe_disable_rx_drop(struct adapter *adapter) 3926 { 3927 struct ixgbe_hw *hw = &adapter->hw; 3928 struct rx_ring *rxr; 3929 u32 srrctl; 3930 3931 for (int i = 0; i < adapter->num_rx_queues; i++) { 3932 rxr = &adapter->rx_queues[i].rxr; 3933 srrctl = IXGBE_READ_REG(hw, IXGBE_SRRCTL(rxr->me)); 3934 srrctl &= ~IXGBE_SRRCTL_DROP_EN; 3935 IXGBE_WRITE_REG(hw, IXGBE_SRRCTL(rxr->me), srrctl); 3936 } 3937 3938 /* disable drop for each vf */ 3939 for (int i = 0; i < adapter->num_vfs; i++) { 3940 IXGBE_WRITE_REG(hw, IXGBE_QDE, 3941 (IXGBE_QDE_WRITE | (i << IXGBE_QDE_IDX_SHIFT))); 3942 } 3943 } /* ixgbe_disable_rx_drop */ 3944 3945 /************************************************************************ 3946 * ixgbe_sysctl_advertise 3947 * 3948 * SYSCTL wrapper around setting advertised speed 3949 ************************************************************************/ 3950 static int 3951 ixgbe_sysctl_advertise(SYSCTL_HANDLER_ARGS) 3952 { 3953 struct adapter *adapter; 3954 int error, advertise; 3955 3956 adapter = (struct adapter *)arg1; 3957 advertise = adapter->advertise; 3958 3959 error = sysctl_handle_int(oidp, &advertise, 0, req); 3960 if ((error) || (req->newptr == NULL)) 3961 return (error); 3962 3963 return ixgbe_set_advertise(adapter, advertise); 3964 } /* ixgbe_sysctl_advertise */ 3965 3966 /************************************************************************ 3967 * ixgbe_set_advertise - Control advertised link speed 3968 * 3969 * Flags: 3970 * 0x1 - advertise 100 Mb 3971 * 0x2 - advertise 1G 3972 * 0x4 - advertise 10G 3973 * 0x8 - advertise 10 Mb (yes, Mb) 3974 ************************************************************************/ 3975 static int 3976 ixgbe_set_advertise(struct adapter *adapter, int advertise) 3977 { 3978 device_t dev = iflib_get_dev(adapter->ctx); 3979 struct ixgbe_hw *hw; 3980 ixgbe_link_speed speed = 0; 3981 ixgbe_link_speed link_caps = 0; 3982 s32 err = IXGBE_NOT_IMPLEMENTED; 3983 bool negotiate = FALSE; 3984 3985 /* Checks to validate new value */ 3986 if (adapter->advertise == advertise) /* no change */ 3987 return (0); 3988 3989 hw = &adapter->hw; 3990 3991 /* No speed changes for backplane media */ 3992 if (hw->phy.media_type == ixgbe_media_type_backplane) 3993 return (ENODEV); 3994 3995 if (!((hw->phy.media_type == ixgbe_media_type_copper) || 3996 (hw->phy.multispeed_fiber))) { 3997 device_printf(dev, "Advertised speed can only be set on copper or multispeed fiber media types.\n"); 3998 return (EINVAL); 3999 } 4000 4001 if (advertise < 0x1 || advertise > 0xF) { 4002 device_printf(dev, "Invalid advertised speed; valid modes are 0x1 through 0xF\n"); 4003 return (EINVAL); 4004 } 4005 4006 if (hw->mac.ops.get_link_capabilities) { 4007 err = hw->mac.ops.get_link_capabilities(hw, &link_caps, 4008 &negotiate); 4009 if (err != IXGBE_SUCCESS) { 4010 device_printf(dev, "Unable to determine supported advertise speeds\n"); 4011 return (ENODEV); 4012 } 4013 } 4014 4015 /* Set new value and report new advertised mode */ 4016 if (advertise & 0x1) { 4017 if (!(link_caps & IXGBE_LINK_SPEED_100_FULL)) { 4018 device_printf(dev, "Interface does not support 100Mb advertised speed\n"); 4019 return (EINVAL); 4020 } 4021 speed |= IXGBE_LINK_SPEED_100_FULL; 4022 } 4023 if (advertise & 0x2) { 4024 if (!(link_caps & IXGBE_LINK_SPEED_1GB_FULL)) { 4025 device_printf(dev, "Interface does not support 1Gb advertised speed\n"); 4026 return (EINVAL); 4027 } 4028 speed |= IXGBE_LINK_SPEED_1GB_FULL; 4029 } 4030 if (advertise & 0x4) { 4031 if (!(link_caps & IXGBE_LINK_SPEED_10GB_FULL)) { 4032 device_printf(dev, "Interface does not support 10Gb advertised speed\n"); 4033 return (EINVAL); 4034 } 4035 speed |= IXGBE_LINK_SPEED_10GB_FULL; 4036 } 4037 if (advertise & 0x8) { 4038 if (!(link_caps & IXGBE_LINK_SPEED_10_FULL)) { 4039 device_printf(dev, "Interface does not support 10Mb advertised speed\n"); 4040 return (EINVAL); 4041 } 4042 speed |= IXGBE_LINK_SPEED_10_FULL; 4043 } 4044 4045 hw->mac.autotry_restart = TRUE; 4046 hw->mac.ops.setup_link(hw, speed, TRUE); 4047 adapter->advertise = advertise; 4048 4049 return (0); 4050 } /* ixgbe_set_advertise */ 4051 4052 /************************************************************************ 4053 * ixgbe_get_advertise - Get current advertised speed settings 4054 * 4055 * Formatted for sysctl usage. 4056 * Flags: 4057 * 0x1 - advertise 100 Mb 4058 * 0x2 - advertise 1G 4059 * 0x4 - advertise 10G 4060 * 0x8 - advertise 10 Mb (yes, Mb) 4061 ************************************************************************/ 4062 static int 4063 ixgbe_get_advertise(struct adapter *adapter) 4064 { 4065 struct ixgbe_hw *hw = &adapter->hw; 4066 int speed; 4067 ixgbe_link_speed link_caps = 0; 4068 s32 err; 4069 bool negotiate = FALSE; 4070 4071 /* 4072 * Advertised speed means nothing unless it's copper or 4073 * multi-speed fiber 4074 */ 4075 if (!(hw->phy.media_type == ixgbe_media_type_copper) && 4076 !(hw->phy.multispeed_fiber)) 4077 return (0); 4078 4079 err = hw->mac.ops.get_link_capabilities(hw, &link_caps, &negotiate); 4080 if (err != IXGBE_SUCCESS) 4081 return (0); 4082 4083 speed = 4084 ((link_caps & IXGBE_LINK_SPEED_10GB_FULL) ? 4 : 0) | 4085 ((link_caps & IXGBE_LINK_SPEED_1GB_FULL) ? 2 : 0) | 4086 ((link_caps & IXGBE_LINK_SPEED_100_FULL) ? 1 : 0) | 4087 ((link_caps & IXGBE_LINK_SPEED_10_FULL) ? 8 : 0); 4088 4089 return speed; 4090 } /* ixgbe_get_advertise */ 4091 4092 /************************************************************************ 4093 * ixgbe_sysctl_dmac - Manage DMA Coalescing 4094 * 4095 * Control values: 4096 * 0/1 - off / on (use default value of 1000) 4097 * 4098 * Legal timer values are: 4099 * 50,100,250,500,1000,2000,5000,10000 4100 * 4101 * Turning off interrupt moderation will also turn this off. 4102 ************************************************************************/ 4103 static int 4104 ixgbe_sysctl_dmac(SYSCTL_HANDLER_ARGS) 4105 { 4106 struct adapter *adapter = (struct adapter *)arg1; 4107 struct ifnet *ifp = iflib_get_ifp(adapter->ctx); 4108 int error; 4109 u16 newval; 4110 4111 newval = adapter->dmac; 4112 error = sysctl_handle_16(oidp, &newval, 0, req); 4113 if ((error) || (req->newptr == NULL)) 4114 return (error); 4115 4116 switch (newval) { 4117 case 0: 4118 /* Disabled */ 4119 adapter->dmac = 0; 4120 break; 4121 case 1: 4122 /* Enable and use default */ 4123 adapter->dmac = 1000; 4124 break; 4125 case 50: 4126 case 100: 4127 case 250: 4128 case 500: 4129 case 1000: 4130 case 2000: 4131 case 5000: 4132 case 10000: 4133 /* Legal values - allow */ 4134 adapter->dmac = newval; 4135 break; 4136 default: 4137 /* Do nothing, illegal value */ 4138 return (EINVAL); 4139 } 4140 4141 /* Re-initialize hardware if it's already running */ 4142 if (ifp->if_drv_flags & IFF_DRV_RUNNING) 4143 ifp->if_init(ifp); 4144 4145 return (0); 4146 } /* ixgbe_sysctl_dmac */ 4147 4148 #ifdef IXGBE_DEBUG 4149 /************************************************************************ 4150 * ixgbe_sysctl_power_state 4151 * 4152 * Sysctl to test power states 4153 * Values: 4154 * 0 - set device to D0 4155 * 3 - set device to D3 4156 * (none) - get current device power state 4157 ************************************************************************/ 4158 static int 4159 ixgbe_sysctl_power_state(SYSCTL_HANDLER_ARGS) 4160 { 4161 struct adapter *adapter = (struct adapter *)arg1; 4162 device_t dev = adapter->dev; 4163 int curr_ps, new_ps, error = 0; 4164 4165 curr_ps = new_ps = pci_get_powerstate(dev); 4166 4167 error = sysctl_handle_int(oidp, &new_ps, 0, req); 4168 if ((error) || (req->newptr == NULL)) 4169 return (error); 4170 4171 if (new_ps == curr_ps) 4172 return (0); 4173 4174 if (new_ps == 3 && curr_ps == 0) 4175 error = DEVICE_SUSPEND(dev); 4176 else if (new_ps == 0 && curr_ps == 3) 4177 error = DEVICE_RESUME(dev); 4178 else 4179 return (EINVAL); 4180 4181 device_printf(dev, "New state: %d\n", pci_get_powerstate(dev)); 4182 4183 return (error); 4184 } /* ixgbe_sysctl_power_state */ 4185 #endif 4186 4187 /************************************************************************ 4188 * ixgbe_sysctl_wol_enable 4189 * 4190 * Sysctl to enable/disable the WoL capability, 4191 * if supported by the adapter. 4192 * 4193 * Values: 4194 * 0 - disabled 4195 * 1 - enabled 4196 ************************************************************************/ 4197 static int 4198 ixgbe_sysctl_wol_enable(SYSCTL_HANDLER_ARGS) 4199 { 4200 struct adapter *adapter = (struct adapter *)arg1; 4201 struct ixgbe_hw *hw = &adapter->hw; 4202 int new_wol_enabled; 4203 int error = 0; 4204 4205 new_wol_enabled = hw->wol_enabled; 4206 error = sysctl_handle_int(oidp, &new_wol_enabled, 0, req); 4207 if ((error) || (req->newptr == NULL)) 4208 return (error); 4209 new_wol_enabled = !!(new_wol_enabled); 4210 if (new_wol_enabled == hw->wol_enabled) 4211 return (0); 4212 4213 if (new_wol_enabled > 0 && !adapter->wol_support) 4214 return (ENODEV); 4215 else 4216 hw->wol_enabled = new_wol_enabled; 4217 4218 return (0); 4219 } /* ixgbe_sysctl_wol_enable */ 4220 4221 /************************************************************************ 4222 * ixgbe_sysctl_wufc - Wake Up Filter Control 4223 * 4224 * Sysctl to enable/disable the types of packets that the 4225 * adapter will wake up on upon receipt. 4226 * Flags: 4227 * 0x1 - Link Status Change 4228 * 0x2 - Magic Packet 4229 * 0x4 - Direct Exact 4230 * 0x8 - Directed Multicast 4231 * 0x10 - Broadcast 4232 * 0x20 - ARP/IPv4 Request Packet 4233 * 0x40 - Direct IPv4 Packet 4234 * 0x80 - Direct IPv6 Packet 4235 * 4236 * Settings not listed above will cause the sysctl to return an error. 4237 ************************************************************************/ 4238 static int 4239 ixgbe_sysctl_wufc(SYSCTL_HANDLER_ARGS) 4240 { 4241 struct adapter *adapter = (struct adapter *)arg1; 4242 int error = 0; 4243 u32 new_wufc; 4244 4245 new_wufc = adapter->wufc; 4246 4247 error = sysctl_handle_32(oidp, &new_wufc, 0, req); 4248 if ((error) || (req->newptr == NULL)) 4249 return (error); 4250 if (new_wufc == adapter->wufc) 4251 return (0); 4252 4253 if (new_wufc & 0xffffff00) 4254 return (EINVAL); 4255 4256 new_wufc &= 0xff; 4257 new_wufc |= (0xffffff & adapter->wufc); 4258 adapter->wufc = new_wufc; 4259 4260 return (0); 4261 } /* ixgbe_sysctl_wufc */ 4262 4263 #ifdef IXGBE_DEBUG 4264 /************************************************************************ 4265 * ixgbe_sysctl_print_rss_config 4266 ************************************************************************/ 4267 static int 4268 ixgbe_sysctl_print_rss_config(SYSCTL_HANDLER_ARGS) 4269 { 4270 struct adapter *adapter = (struct adapter *)arg1; 4271 struct ixgbe_hw *hw = &adapter->hw; 4272 device_t dev = adapter->dev; 4273 struct sbuf *buf; 4274 int error = 0, reta_size; 4275 u32 reg; 4276 4277 buf = sbuf_new_for_sysctl(NULL, NULL, 128, req); 4278 if (!buf) { 4279 device_printf(dev, "Could not allocate sbuf for output.\n"); 4280 return (ENOMEM); 4281 } 4282 4283 // TODO: use sbufs to make a string to print out 4284 /* Set multiplier for RETA setup and table size based on MAC */ 4285 switch (adapter->hw.mac.type) { 4286 case ixgbe_mac_X550: 4287 case ixgbe_mac_X550EM_x: 4288 case ixgbe_mac_X550EM_a: 4289 reta_size = 128; 4290 break; 4291 default: 4292 reta_size = 32; 4293 break; 4294 } 4295 4296 /* Print out the redirection table */ 4297 sbuf_cat(buf, "\n"); 4298 for (int i = 0; i < reta_size; i++) { 4299 if (i < 32) { 4300 reg = IXGBE_READ_REG(hw, IXGBE_RETA(i)); 4301 sbuf_printf(buf, "RETA(%2d): 0x%08x\n", i, reg); 4302 } else { 4303 reg = IXGBE_READ_REG(hw, IXGBE_ERETA(i - 32)); 4304 sbuf_printf(buf, "ERETA(%2d): 0x%08x\n", i - 32, reg); 4305 } 4306 } 4307 4308 // TODO: print more config 4309 4310 error = sbuf_finish(buf); 4311 if (error) 4312 device_printf(dev, "Error finishing sbuf: %d\n", error); 4313 4314 sbuf_delete(buf); 4315 4316 return (0); 4317 } /* ixgbe_sysctl_print_rss_config */ 4318 #endif /* IXGBE_DEBUG */ 4319 4320 /************************************************************************ 4321 * ixgbe_sysctl_phy_temp - Retrieve temperature of PHY 4322 * 4323 * For X552/X557-AT devices using an external PHY 4324 ************************************************************************/ 4325 static int 4326 ixgbe_sysctl_phy_temp(SYSCTL_HANDLER_ARGS) 4327 { 4328 struct adapter *adapter = (struct adapter *)arg1; 4329 struct ixgbe_hw *hw = &adapter->hw; 4330 u16 reg; 4331 4332 if (hw->device_id != IXGBE_DEV_ID_X550EM_X_10G_T) { 4333 device_printf(iflib_get_dev(adapter->ctx), 4334 "Device has no supported external thermal sensor.\n"); 4335 return (ENODEV); 4336 } 4337 4338 if (hw->phy.ops.read_reg(hw, IXGBE_PHY_CURRENT_TEMP, 4339 IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, ®)) { 4340 device_printf(iflib_get_dev(adapter->ctx), 4341 "Error reading from PHY's current temperature register\n"); 4342 return (EAGAIN); 4343 } 4344 4345 /* Shift temp for output */ 4346 reg = reg >> 8; 4347 4348 return (sysctl_handle_16(oidp, NULL, reg, req)); 4349 } /* ixgbe_sysctl_phy_temp */ 4350 4351 /************************************************************************ 4352 * ixgbe_sysctl_phy_overtemp_occurred 4353 * 4354 * Reports (directly from the PHY) whether the current PHY 4355 * temperature is over the overtemp threshold. 4356 ************************************************************************/ 4357 static int 4358 ixgbe_sysctl_phy_overtemp_occurred(SYSCTL_HANDLER_ARGS) 4359 { 4360 struct adapter *adapter = (struct adapter *)arg1; 4361 struct ixgbe_hw *hw = &adapter->hw; 4362 u16 reg; 4363 4364 if (hw->device_id != IXGBE_DEV_ID_X550EM_X_10G_T) { 4365 device_printf(iflib_get_dev(adapter->ctx), 4366 "Device has no supported external thermal sensor.\n"); 4367 return (ENODEV); 4368 } 4369 4370 if (hw->phy.ops.read_reg(hw, IXGBE_PHY_OVERTEMP_STATUS, 4371 IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, ®)) { 4372 device_printf(iflib_get_dev(adapter->ctx), 4373 "Error reading from PHY's temperature status register\n"); 4374 return (EAGAIN); 4375 } 4376 4377 /* Get occurrence bit */ 4378 reg = !!(reg & 0x4000); 4379 4380 return (sysctl_handle_16(oidp, 0, reg, req)); 4381 } /* ixgbe_sysctl_phy_overtemp_occurred */ 4382 4383 /************************************************************************ 4384 * ixgbe_sysctl_eee_state 4385 * 4386 * Sysctl to set EEE power saving feature 4387 * Values: 4388 * 0 - disable EEE 4389 * 1 - enable EEE 4390 * (none) - get current device EEE state 4391 ************************************************************************/ 4392 static int 4393 ixgbe_sysctl_eee_state(SYSCTL_HANDLER_ARGS) 4394 { 4395 struct adapter *adapter = (struct adapter *)arg1; 4396 device_t dev = adapter->dev; 4397 struct ifnet *ifp = iflib_get_ifp(adapter->ctx); 4398 int curr_eee, new_eee, error = 0; 4399 s32 retval; 4400 4401 curr_eee = new_eee = !!(adapter->feat_en & IXGBE_FEATURE_EEE); 4402 4403 error = sysctl_handle_int(oidp, &new_eee, 0, req); 4404 if ((error) || (req->newptr == NULL)) 4405 return (error); 4406 4407 /* Nothing to do */ 4408 if (new_eee == curr_eee) 4409 return (0); 4410 4411 /* Not supported */ 4412 if (!(adapter->feat_cap & IXGBE_FEATURE_EEE)) 4413 return (EINVAL); 4414 4415 /* Bounds checking */ 4416 if ((new_eee < 0) || (new_eee > 1)) 4417 return (EINVAL); 4418 4419 retval = adapter->hw.mac.ops.setup_eee(&adapter->hw, new_eee); 4420 if (retval) { 4421 device_printf(dev, "Error in EEE setup: 0x%08X\n", retval); 4422 return (EINVAL); 4423 } 4424 4425 /* Restart auto-neg */ 4426 ifp->if_init(ifp); 4427 4428 device_printf(dev, "New EEE state: %d\n", new_eee); 4429 4430 /* Cache new value */ 4431 if (new_eee) 4432 adapter->feat_en |= IXGBE_FEATURE_EEE; 4433 else 4434 adapter->feat_en &= ~IXGBE_FEATURE_EEE; 4435 4436 return (error); 4437 } /* ixgbe_sysctl_eee_state */ 4438 4439 /************************************************************************ 4440 * ixgbe_init_device_features 4441 ************************************************************************/ 4442 static void 4443 ixgbe_init_device_features(struct adapter *adapter) 4444 { 4445 adapter->feat_cap = IXGBE_FEATURE_NETMAP 4446 | IXGBE_FEATURE_RSS 4447 | IXGBE_FEATURE_MSI 4448 | IXGBE_FEATURE_MSIX 4449 | IXGBE_FEATURE_LEGACY_IRQ; 4450 4451 /* Set capabilities first... */ 4452 switch (adapter->hw.mac.type) { 4453 case ixgbe_mac_82598EB: 4454 if (adapter->hw.device_id == IXGBE_DEV_ID_82598AT) 4455 adapter->feat_cap |= IXGBE_FEATURE_FAN_FAIL; 4456 break; 4457 case ixgbe_mac_X540: 4458 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 4459 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 4460 if ((adapter->hw.device_id == IXGBE_DEV_ID_X540_BYPASS) && 4461 (adapter->hw.bus.func == 0)) 4462 adapter->feat_cap |= IXGBE_FEATURE_BYPASS; 4463 break; 4464 case ixgbe_mac_X550: 4465 adapter->feat_cap |= IXGBE_FEATURE_TEMP_SENSOR; 4466 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 4467 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 4468 break; 4469 case ixgbe_mac_X550EM_x: 4470 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 4471 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 4472 if (adapter->hw.device_id == IXGBE_DEV_ID_X550EM_X_KR) 4473 adapter->feat_cap |= IXGBE_FEATURE_EEE; 4474 break; 4475 case ixgbe_mac_X550EM_a: 4476 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 4477 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 4478 adapter->feat_cap &= ~IXGBE_FEATURE_LEGACY_IRQ; 4479 if ((adapter->hw.device_id == IXGBE_DEV_ID_X550EM_A_1G_T) || 4480 (adapter->hw.device_id == IXGBE_DEV_ID_X550EM_A_1G_T_L)) { 4481 adapter->feat_cap |= IXGBE_FEATURE_TEMP_SENSOR; 4482 adapter->feat_cap |= IXGBE_FEATURE_EEE; 4483 } 4484 break; 4485 case ixgbe_mac_82599EB: 4486 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 4487 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 4488 if ((adapter->hw.device_id == IXGBE_DEV_ID_82599_BYPASS) && 4489 (adapter->hw.bus.func == 0)) 4490 adapter->feat_cap |= IXGBE_FEATURE_BYPASS; 4491 if (adapter->hw.device_id == IXGBE_DEV_ID_82599_QSFP_SF_QP) 4492 adapter->feat_cap &= ~IXGBE_FEATURE_LEGACY_IRQ; 4493 break; 4494 default: 4495 break; 4496 } 4497 4498 /* Enabled by default... */ 4499 /* Fan failure detection */ 4500 if (adapter->feat_cap & IXGBE_FEATURE_FAN_FAIL) 4501 adapter->feat_en |= IXGBE_FEATURE_FAN_FAIL; 4502 /* Netmap */ 4503 if (adapter->feat_cap & IXGBE_FEATURE_NETMAP) 4504 adapter->feat_en |= IXGBE_FEATURE_NETMAP; 4505 /* EEE */ 4506 if (adapter->feat_cap & IXGBE_FEATURE_EEE) 4507 adapter->feat_en |= IXGBE_FEATURE_EEE; 4508 /* Thermal Sensor */ 4509 if (adapter->feat_cap & IXGBE_FEATURE_TEMP_SENSOR) 4510 adapter->feat_en |= IXGBE_FEATURE_TEMP_SENSOR; 4511 4512 /* Enabled via global sysctl... */ 4513 /* Flow Director */ 4514 if (ixgbe_enable_fdir) { 4515 if (adapter->feat_cap & IXGBE_FEATURE_FDIR) 4516 adapter->feat_en |= IXGBE_FEATURE_FDIR; 4517 else 4518 device_printf(adapter->dev, "Device does not support Flow Director. Leaving disabled."); 4519 } 4520 /* 4521 * Message Signal Interrupts - Extended (MSI-X) 4522 * Normal MSI is only enabled if MSI-X calls fail. 4523 */ 4524 if (!ixgbe_enable_msix) 4525 adapter->feat_cap &= ~IXGBE_FEATURE_MSIX; 4526 /* Receive-Side Scaling (RSS) */ 4527 if ((adapter->feat_cap & IXGBE_FEATURE_RSS) && ixgbe_enable_rss) 4528 adapter->feat_en |= IXGBE_FEATURE_RSS; 4529 4530 /* Disable features with unmet dependencies... */ 4531 /* No MSI-X */ 4532 if (!(adapter->feat_cap & IXGBE_FEATURE_MSIX)) { 4533 adapter->feat_cap &= ~IXGBE_FEATURE_RSS; 4534 adapter->feat_cap &= ~IXGBE_FEATURE_SRIOV; 4535 adapter->feat_en &= ~IXGBE_FEATURE_RSS; 4536 adapter->feat_en &= ~IXGBE_FEATURE_SRIOV; 4537 } 4538 } /* ixgbe_init_device_features */ 4539 4540 /************************************************************************ 4541 * ixgbe_check_fan_failure 4542 ************************************************************************/ 4543 static void 4544 ixgbe_check_fan_failure(struct adapter *adapter, u32 reg, bool in_interrupt) 4545 { 4546 u32 mask; 4547 4548 mask = (in_interrupt) ? IXGBE_EICR_GPI_SDP1_BY_MAC(&adapter->hw) : 4549 IXGBE_ESDP_SDP1; 4550 4551 if (reg & mask) 4552 device_printf(adapter->dev, "\nCRITICAL: FAN FAILURE!! REPLACE IMMEDIATELY!!\n"); 4553 } /* ixgbe_check_fan_failure */ 4554