diff options
Diffstat (limited to 'drivers/net/ethernet/sfc/efx.c')
| -rw-r--r-- | drivers/net/ethernet/sfc/efx.c | 98 |
1 files changed, 87 insertions, 11 deletions
diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c index 0705ec869487..14b821b1c880 100644 --- a/drivers/net/ethernet/sfc/efx.c +++ b/drivers/net/ethernet/sfc/efx.c @@ -600,6 +600,7 @@ fail: */ static void efx_start_datapath(struct efx_nic *efx) { + netdev_features_t old_features = efx->net_dev->features; bool old_rx_scatter = efx->rx_scatter; struct efx_tx_queue *tx_queue; struct efx_rx_queue *rx_queue; @@ -644,6 +645,15 @@ static void efx_start_datapath(struct efx_nic *efx) efx->rx_dma_len, efx->rx_page_buf_step, efx->rx_bufs_per_page, efx->rx_pages_per_batch); + /* Restore previously fixed features in hw_features and remove + * features which are fixed now + */ + efx->net_dev->hw_features |= efx->net_dev->features; + efx->net_dev->hw_features &= ~efx->fixed_features; + efx->net_dev->features |= efx->fixed_features; + if (efx->net_dev->features != old_features) + netdev_features_change(efx->net_dev); + /* RX filters may also have scatter-enabled flags */ if (efx->rx_scatter != old_rx_scatter) efx->type->filter_update_rx_scatter(efx); @@ -1719,6 +1729,7 @@ static int efx_probe_filters(struct efx_nic *efx) spin_lock_init(&efx->filter_lock); init_rwsem(&efx->filter_sem); + mutex_lock(&efx->mac_lock); down_write(&efx->filter_sem); rc = efx->type->filter_table_probe(efx); if (rc) @@ -1726,25 +1737,48 @@ static int efx_probe_filters(struct efx_nic *efx) #ifdef CONFIG_RFS_ACCEL if (efx->type->offload_features & NETIF_F_NTUPLE) { - efx->rps_flow_id = kcalloc(efx->type->max_rx_ip_filters, - sizeof(*efx->rps_flow_id), - GFP_KERNEL); - if (!efx->rps_flow_id) { + struct efx_channel *channel; + int i, success = 1; + + efx_for_each_channel(channel, efx) { + channel->rps_flow_id = + kcalloc(efx->type->max_rx_ip_filters, + sizeof(*channel->rps_flow_id), + GFP_KERNEL); + if (!channel->rps_flow_id) + success = 0; + else + for (i = 0; + i < efx->type->max_rx_ip_filters; + ++i) + channel->rps_flow_id[i] = + RPS_FLOW_ID_INVALID; + } + + if (!success) { + efx_for_each_channel(channel, efx) + kfree(channel->rps_flow_id); efx->type->filter_table_remove(efx); rc = -ENOMEM; goto out_unlock; } + + efx->rps_expire_index = efx->rps_expire_channel = 0; } #endif out_unlock: up_write(&efx->filter_sem); + mutex_unlock(&efx->mac_lock); return rc; } static void efx_remove_filters(struct efx_nic *efx) { #ifdef CONFIG_RFS_ACCEL - kfree(efx->rps_flow_id); + struct efx_channel *channel; + + efx_for_each_channel(channel, efx) + kfree(channel->rps_flow_id); #endif down_write(&efx->filter_sem); efx->type->filter_table_remove(efx); @@ -2290,14 +2324,46 @@ static void efx_set_rx_mode(struct net_device *net_dev) static int efx_set_features(struct net_device *net_dev, netdev_features_t data) { struct efx_nic *efx = netdev_priv(net_dev); + int rc; /* If disabling RX n-tuple filtering, clear existing filters */ - if (net_dev->features & ~data & NETIF_F_NTUPLE) - return efx->type->filter_clear_rx(efx, EFX_FILTER_PRI_MANUAL); + if (net_dev->features & ~data & NETIF_F_NTUPLE) { + rc = efx->type->filter_clear_rx(efx, EFX_FILTER_PRI_MANUAL); + if (rc) + return rc; + } + + /* If Rx VLAN filter is changed, update filters via mac_reconfigure */ + if ((net_dev->features ^ data) & NETIF_F_HW_VLAN_CTAG_FILTER) { + /* efx_set_rx_mode() will schedule MAC work to update filters + * when a new features are finally set in net_dev. + */ + efx_set_rx_mode(net_dev); + } return 0; } +static int efx_vlan_rx_add_vid(struct net_device *net_dev, __be16 proto, u16 vid) +{ + struct efx_nic *efx = netdev_priv(net_dev); + + if (efx->type->vlan_rx_add_vid) + return efx->type->vlan_rx_add_vid(efx, proto, vid); + else + return -EOPNOTSUPP; +} + +static int efx_vlan_rx_kill_vid(struct net_device *net_dev, __be16 proto, u16 vid) +{ + struct efx_nic *efx = netdev_priv(net_dev); + + if (efx->type->vlan_rx_kill_vid) + return efx->type->vlan_rx_kill_vid(efx, proto, vid); + else + return -EOPNOTSUPP; +} + static const struct net_device_ops efx_netdev_ops = { .ndo_open = efx_net_open, .ndo_stop = efx_net_stop, @@ -2310,6 +2376,8 @@ static const struct net_device_ops efx_netdev_ops = { .ndo_set_mac_address = efx_set_mac_address, .ndo_set_rx_mode = efx_set_rx_mode, .ndo_set_features = efx_set_features, + .ndo_vlan_rx_add_vid = efx_vlan_rx_add_vid, + .ndo_vlan_rx_kill_vid = efx_vlan_rx_kill_vid, #ifdef CONFIG_SFC_SRIOV .ndo_set_vf_mac = efx_sriov_set_vf_mac, .ndo_set_vf_vlan = efx_sriov_set_vf_vlan, @@ -3125,17 +3193,25 @@ static int efx_pci_probe(struct pci_dev *pci_dev, return -ENOMEM; efx = netdev_priv(net_dev); efx->type = (const struct efx_nic_type *) entry->driver_data; + efx->fixed_features |= NETIF_F_HIGHDMA; net_dev->features |= (efx->type->offload_features | NETIF_F_SG | - NETIF_F_HIGHDMA | NETIF_F_TSO | - NETIF_F_RXCSUM); + NETIF_F_TSO | NETIF_F_RXCSUM); if (efx->type->offload_features & (NETIF_F_IPV6_CSUM | NETIF_F_HW_CSUM)) net_dev->features |= NETIF_F_TSO6; /* Mask for features that also apply to VLAN devices */ net_dev->vlan_features |= (NETIF_F_HW_CSUM | NETIF_F_SG | NETIF_F_HIGHDMA | NETIF_F_ALL_TSO | NETIF_F_RXCSUM); - /* All offloads can be toggled */ - net_dev->hw_features = net_dev->features & ~NETIF_F_HIGHDMA; + + net_dev->hw_features = net_dev->features & ~efx->fixed_features; + + /* Disable VLAN filtering by default. It may be enforced if + * the feature is fixed (i.e. VLAN filters are required to + * receive VLAN tagged packets due to vPort restrictions). + */ + net_dev->features &= ~NETIF_F_HW_VLAN_CTAG_FILTER; + net_dev->features |= efx->fixed_features; + pci_set_drvdata(pci_dev, efx); SET_NETDEV_DEV(net_dev, &pci_dev->dev); rc = efx_init_struct(efx, pci_dev, net_dev); |