Lines Matching refs:efx
25 #include "efx.h"
102 static void efx_remove_port(struct efx_nic *efx);
103 static int efx_xdp_setup_prog(struct efx_nic *efx, struct bpf_prog *prog);
114 static void efx_fini_port(struct efx_nic *efx);
116 static int efx_probe_port(struct efx_nic *efx)
120 netif_dbg(efx, probe, efx->net_dev, "create port\n");
123 efx->phy_mode = PHY_MODE_SPECIAL;
126 rc = efx->type->probe_port(efx);
131 ether_addr_copy(efx->net_dev->dev_addr, efx->net_dev->perm_addr);
136 static int efx_init_port(struct efx_nic *efx)
140 netif_dbg(efx, drv, efx->net_dev, "init port\n");
142 mutex_lock(&efx->mac_lock);
144 efx->port_initialized = true;
147 rc = efx_mcdi_port_reconfigure(efx);
151 mutex_unlock(&efx->mac_lock);
155 mutex_unlock(&efx->mac_lock);
159 static void efx_fini_port(struct efx_nic *efx)
161 netif_dbg(efx, drv, efx->net_dev, "shut down port\n");
163 if (!efx->port_initialized)
166 efx->port_initialized = false;
168 efx->link_state.up = false;
169 efx_link_status_changed(efx);
172 static void efx_remove_port(struct efx_nic *efx)
174 netif_dbg(efx, drv, efx->net_dev, "destroying port\n");
176 efx->type->remove_port(efx);
195 static void efx_associate(struct efx_nic *efx)
199 if (efx->primary == efx) {
202 netif_dbg(efx, probe, efx->net_dev, "adding to primary list\n");
203 list_add_tail(&efx->node, &efx_primary_list);
207 if (efx_same_controller(efx, other)) {
211 pci_name(efx->pci_dev),
212 efx->net_dev->name);
214 &efx->secondary_list);
215 other->primary = efx;
222 if (efx_same_controller(efx, other)) {
223 netif_dbg(efx, probe, efx->net_dev,
227 list_add_tail(&efx->node,
229 efx->primary = other;
234 netif_dbg(efx, probe, efx->net_dev,
236 list_add_tail(&efx->node, &efx_unassociated_list);
240 static void efx_dissociate(struct efx_nic *efx)
244 list_del(&efx->node);
245 efx->primary = NULL;
247 list_for_each_entry_safe(other, next, &efx->secondary_list, node) {
256 static int efx_probe_nic(struct efx_nic *efx)
260 netif_dbg(efx, probe, efx->net_dev, "creating NIC\n");
263 rc = efx->type->probe(efx);
268 if (!efx->max_channels || !efx->max_tx_channels) {
269 netif_err(efx, drv, efx->net_dev,
279 rc = efx_probe_interrupts(efx);
283 rc = efx_set_channels(efx);
288 rc = efx->type->dimension_resources(efx);
294 efx_remove_interrupts(efx);
298 if (efx->n_channels > 1)
299 netdev_rss_key_fill(efx->rss_context.rx_hash_key,
300 sizeof(efx->rss_context.rx_hash_key));
301 efx_set_default_rx_indir_table(efx, &efx->rss_context);
304 efx->irq_mod_step_us = DIV_ROUND_UP(efx->timer_quantum_ns, 1000);
305 efx_init_irq_moderation(efx, tx_irq_mod_usec, rx_irq_mod_usec, true,
311 efx_remove_interrupts(efx);
313 efx->type->remove(efx);
317 static void efx_remove_nic(struct efx_nic *efx)
319 netif_dbg(efx, drv, efx->net_dev, "destroying NIC\n");
321 efx_remove_interrupts(efx);
322 efx->type->remove(efx);
331 static int efx_probe_all(struct efx_nic *efx)
335 rc = efx_probe_nic(efx);
337 netif_err(efx, probe, efx->net_dev, "failed to create NIC\n");
341 rc = efx_probe_port(efx);
343 netif_err(efx, probe, efx->net_dev, "failed to create port\n");
348 if (WARN_ON(EFX_DEFAULT_DMAQ_SIZE < EFX_TXQ_MIN_ENT(efx))) {
354 rc = efx->type->vswitching_probe(efx);
356 netif_warn(efx, probe, efx->net_dev,
361 rc = efx_probe_filters(efx);
363 netif_err(efx, probe, efx->net_dev,
368 rc = efx_probe_channels(efx);
372 efx->state = STATE_NET_DOWN;
377 efx_remove_filters(efx);
380 efx->type->vswitching_remove(efx);
383 efx_remove_port(efx);
385 efx_remove_nic(efx);
390 static void efx_remove_all(struct efx_nic *efx)
393 efx_xdp_setup_prog(efx, NULL);
396 efx_remove_channels(efx);
397 efx_remove_filters(efx);
399 efx->type->vswitching_remove(efx);
401 efx_remove_port(efx);
402 efx_remove_nic(efx);
410 unsigned int efx_usecs_to_ticks(struct efx_nic *efx, unsigned int usecs)
414 if (usecs * 1000 < efx->timer_quantum_ns)
416 return usecs * 1000 / efx->timer_quantum_ns;
419 unsigned int efx_ticks_to_usecs(struct efx_nic *efx, unsigned int ticks)
424 return DIV_ROUND_UP(ticks * efx->timer_quantum_ns, 1000);
428 int efx_init_irq_moderation(struct efx_nic *efx, unsigned int tx_usecs,
435 EFX_ASSERT_RESET_SERIALISED(efx);
437 timer_max_us = efx->timer_max_ns / 1000;
442 if (tx_usecs != rx_usecs && efx->tx_channel_offset == 0 &&
444 netif_err(efx, drv, efx->net_dev, "Channels are shared. "
449 efx->irq_rx_adaptive = rx_adaptive;
450 efx->irq_rx_moderation_us = rx_usecs;
451 efx_for_each_channel(channel, efx) {
463 void efx_get_irq_moderation(struct efx_nic *efx, unsigned int *tx_usecs,
466 *rx_adaptive = efx->irq_rx_adaptive;
467 *rx_usecs = efx->irq_rx_moderation_us;
473 if (efx->tx_channel_offset == 0) {
478 tx_channel = efx->channel[efx->tx_channel_offset];
494 struct efx_nic *efx = netdev_priv(net_dev);
498 return efx_ptp_set_ts_config(efx, ifr);
500 return efx_ptp_get_ts_config(efx, ifr);
507 return mdio_mii_ioctl(&efx->mdio, data, cmd);
519 struct efx_nic *efx = netdev_priv(net_dev);
522 netif_dbg(efx, ifup, efx->net_dev, "opening device on CPU %d\n",
525 rc = efx_check_disabled(efx);
528 if (efx->phy_mode & PHY_MODE_SPECIAL)
530 if (efx_mcdi_poll_reboot(efx) && efx_reset(efx, RESET_TYPE_ALL))
535 efx_link_status_changed(efx);
537 efx_start_all(efx);
538 if (efx->state == STATE_DISABLED || efx->reset_pending)
539 netif_device_detach(efx->net_dev);
541 efx->state = STATE_NET_UP;
552 struct efx_nic *efx = netdev_priv(net_dev);
554 netif_dbg(efx, ifdown, efx->net_dev, "closing on CPU %d\n",
558 efx_stop_all(efx);
565 struct efx_nic *efx = netdev_priv(net_dev);
567 if (efx->type->vlan_rx_add_vid)
568 return efx->type->vlan_rx_add_vid(efx, proto, vid);
575 struct efx_nic *efx = netdev_priv(net_dev);
577 if (efx->type->vlan_rx_kill_vid)
578 return efx->type->vlan_rx_kill_vid(efx, proto, vid);
617 static int efx_xdp_setup_prog(struct efx_nic *efx, struct bpf_prog *prog)
621 if (efx->xdp_rxq_info_failed) {
622 netif_err(efx, drv, efx->net_dev,
627 if (prog && efx->net_dev->mtu > efx_xdp_max_mtu(efx)) {
628 netif_err(efx, drv, efx->net_dev,
630 efx->net_dev->mtu, efx_xdp_max_mtu(efx));
634 old_prog = rtnl_dereference(efx->xdp_prog);
635 rcu_assign_pointer(efx->xdp_prog, prog);
646 struct efx_nic *efx = netdev_priv(dev);
650 return efx_xdp_setup_prog(efx, xdp->prog);
659 struct efx_nic *efx = netdev_priv(dev);
664 return efx_xdp_tx_buffers(efx, n, xdpfs, flags & XDP_XMIT_FLUSH);
667 static void efx_update_name(struct efx_nic *efx)
669 strcpy(efx->name, efx->net_dev->name);
670 efx_mtd_rename(efx);
671 efx_set_channel_names(efx);
693 struct efx_nic *efx = dev_get_drvdata(dev);
694 return sprintf(buf, "%d\n", efx->phy_type);
698 static int efx_register_netdev(struct efx_nic *efx)
700 struct net_device *net_dev = efx->net_dev;
705 net_dev->irq = efx->pci_dev->irq;
707 if (efx_nic_rev(efx) >= EFX_REV_HUNT_A0)
720 if (efx->reset_pending) {
721 netif_err(efx, probe, efx->net_dev,
730 efx_update_name(efx);
739 efx_for_each_channel(channel, efx) {
745 efx_associate(efx);
747 efx->state = STATE_NET_DOWN;
751 rc = device_create_file(&efx->pci_dev->dev, &dev_attr_phy_type);
753 netif_err(efx, drv, efx->net_dev,
758 efx_init_mcdi_logging(efx);
764 efx_dissociate(efx);
767 efx->state = STATE_UNINIT;
769 netif_err(efx, drv, efx->net_dev, "could not register net dev\n");
773 static void efx_unregister_netdev(struct efx_nic *efx)
775 if (!efx->net_dev)
778 BUG_ON(netdev_priv(efx->net_dev) != efx);
780 if (efx_dev_registered(efx)) {
781 strlcpy(efx->name, pci_name(efx->pci_dev), sizeof(efx->name));
782 efx_fini_mcdi_logging(efx);
783 device_remove_file(&efx->pci_dev->dev, &dev_attr_phy_type);
784 unregister_netdev(efx->net_dev);
825 void efx_update_sw_stats(struct efx_nic *efx, u64 *stats)
830 efx_for_each_channel(channel, efx)
833 stats[GENERIC_STAT_rx_noskb_drops] = atomic_read(&efx->n_rx_noskb_drops);
845 static void efx_pci_remove_main(struct efx_nic *efx)
850 WARN_ON(efx_net_active(efx->state));
851 efx_flush_reset_workqueue(efx);
853 efx_disable_interrupts(efx);
854 efx_clear_interrupt_affinity(efx);
855 efx_nic_fini_interrupt(efx);
856 efx_fini_port(efx);
857 efx->type->fini(efx);
858 efx_fini_napi(efx);
859 efx_remove_all(efx);
868 struct efx_nic *efx;
870 efx = pci_get_drvdata(pci_dev);
871 if (!efx)
876 efx_dissociate(efx);
877 dev_close(efx->net_dev);
878 efx_disable_interrupts(efx);
879 efx->state = STATE_UNINIT;
882 if (efx->type->sriov_fini)
883 efx->type->sriov_fini(efx);
885 efx_unregister_netdev(efx);
887 efx_mtd_remove(efx);
889 efx_pci_remove_main(efx);
891 efx_fini_io(efx);
892 netif_dbg(efx, drv, efx->net_dev, "shutdown successful\n");
894 efx_fini_struct(efx);
895 free_netdev(efx->net_dev);
906 static void efx_probe_vpd_strings(struct efx_nic *efx)
908 struct pci_dev *dev = efx->pci_dev;
916 netif_err(efx, drv, efx->net_dev, "Unable to read VPD\n");
923 netif_err(efx, drv, efx->net_dev, "VPD Read-only not found\n");
936 netif_err(efx, drv, efx->net_dev, "Part number not found\n");
943 netif_err(efx, drv, efx->net_dev, "Incomplete part number\n");
947 netif_info(efx, drv, efx->net_dev,
954 netif_err(efx, drv, efx->net_dev, "Serial number not found\n");
961 netif_err(efx, drv, efx->net_dev, "Incomplete serial number\n");
965 efx->vpd_sn = kmalloc(j + 1, GFP_KERNEL);
966 if (!efx->vpd_sn)
969 snprintf(efx->vpd_sn, j + 1, "%s", &vpd_data[i]);
976 static int efx_pci_probe_main(struct efx_nic *efx)
981 rc = efx_probe_all(efx);
985 efx_init_napi(efx);
987 down_write(&efx->filter_sem);
988 rc = efx->type->init(efx);
989 up_write(&efx->filter_sem);
991 netif_err(efx, probe, efx->net_dev,
996 rc = efx_init_port(efx);
998 netif_err(efx, probe, efx->net_dev,
1003 rc = efx_nic_init_interrupt(efx);
1007 efx_set_interrupt_affinity(efx);
1008 rc = efx_enable_interrupts(efx);
1015 efx_clear_interrupt_affinity(efx);
1016 efx_nic_fini_interrupt(efx);
1018 efx_fini_port(efx);
1020 efx->type->fini(efx);
1022 efx_fini_napi(efx);
1023 efx_remove_all(efx);
1028 static int efx_pci_probe_post_io(struct efx_nic *efx)
1030 struct net_device *net_dev = efx->net_dev;
1031 int rc = efx_pci_probe_main(efx);
1036 if (efx->type->sriov_init) {
1037 rc = efx->type->sriov_init(efx);
1039 netif_err(efx, probe, efx->net_dev,
1044 net_dev->features |= efx->type->offload_features;
1047 if (efx->type->tso_versions && efx->type->tso_versions(efx))
1056 net_dev->hw_features |= net_dev->features & ~efx->fixed_features;
1066 net_dev->features |= efx->fixed_features;
1068 rc = efx_register_netdev(efx);
1072 efx_pci_remove_main(efx);
1089 struct efx_nic *efx;
1093 net_dev = alloc_etherdev_mqs(sizeof(*efx), EFX_MAX_CORE_TX_QUEUES,
1097 efx = netdev_priv(net_dev);
1098 efx->type = (const struct efx_nic_type *) entry->driver_data;
1099 efx->fixed_features |= NETIF_F_HIGHDMA;
1101 pci_set_drvdata(pci_dev, efx);
1103 rc = efx_init_struct(efx, pci_dev, net_dev);
1107 netif_info(efx, probe, efx->net_dev,
1110 if (!efx->type->is_vf)
1111 efx_probe_vpd_strings(efx);
1114 rc = efx_init_io(efx, efx->type->mem_bar(efx), efx->type->max_dma_mask,
1115 efx->type->mem_map_size(efx));
1119 rc = efx_pci_probe_post_io(efx);
1124 efx->reset_pending = 0;
1125 rc = efx_pci_probe_post_io(efx);
1134 efx->reset_pending = 0;
1135 rc = efx_pci_probe_post_io(efx);
1141 netif_dbg(efx, probe, efx->net_dev, "initialisation successful\n");
1145 rc = efx_mtd_probe(efx);
1148 netif_warn(efx, probe, efx->net_dev,
1153 if (efx->type->udp_tnl_push_ports)
1154 efx->type->udp_tnl_push_ports(efx);
1159 efx_fini_io(efx);
1161 efx_fini_struct(efx);
1164 netif_dbg(efx, drv, efx->net_dev, "initialisation failed. rc=%d\n", rc);
1176 struct efx_nic *efx = pci_get_drvdata(dev);
1178 if (efx->type->sriov_configure) {
1179 rc = efx->type->sriov_configure(efx, num_vfs);
1191 struct efx_nic *efx = dev_get_drvdata(dev);
1195 if (efx_net_active(efx->state)) {
1196 efx_device_detach_sync(efx);
1198 efx_stop_all(efx);
1199 efx_disable_interrupts(efx);
1201 efx->state = efx_freeze(efx->state);
1212 struct efx_nic *efx = dev_get_drvdata(dev);
1216 if (efx_frozen(efx->state)) {
1217 rc = efx_enable_interrupts(efx);
1221 mutex_lock(&efx->mac_lock);
1222 efx_mcdi_port_reconfigure(efx);
1223 mutex_unlock(&efx->mac_lock);
1225 efx_start_all(efx);
1227 efx_device_attach_if_not_resetting(efx);
1229 efx->state = efx_thaw(efx->state);
1231 efx->type->resume_wol(efx);
1237 efx_queue_reset_work(efx);
1250 struct efx_nic *efx = pci_get_drvdata(pci_dev);
1252 efx->type->fini(efx);
1254 efx->reset_pending = 0;
1264 struct efx_nic *efx = pci_get_drvdata(pci_dev);
1274 pci_set_master(efx->pci_dev);
1275 rc = efx->type->reset(efx, RESET_TYPE_ALL);
1278 down_write(&efx->filter_sem);
1279 rc = efx->type->init(efx);
1280 up_write(&efx->filter_sem);