summaryrefslogtreecommitdiff
path: root/drivers/net/ethernet/sfc/efx.c
diff options
context:
space:
mode:
authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-10-20 00:10:27 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-10-20 00:10:27 -0300
commitd0b2f91bede3bd5e3d24dd6803e56eee959c1797 (patch)
tree7fee4ab0509879c373c4f2cbd5b8a5be5b4041ee /drivers/net/ethernet/sfc/efx.c
parente914f8eb445e8f74b00303c19c2ffceaedd16a05 (diff)
Linux-libre 4.8.2-gnupck-4.8.2-gnu
Diffstat (limited to 'drivers/net/ethernet/sfc/efx.c')
-rw-r--r--drivers/net/ethernet/sfc/efx.c66
1 files changed, 60 insertions, 6 deletions
diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c
index 097f363f1..14b821b1c 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)
@@ -1757,6 +1768,7 @@ static int efx_probe_filters(struct efx_nic *efx)
#endif
out_unlock:
up_write(&efx->filter_sem);
+ mutex_unlock(&efx->mac_lock);
return rc;
}
@@ -2312,14 +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,
@@ -2332,6 +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,
@@ -3147,17 +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);