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path: root/drivers/net/ethernet/sfc/efx.c
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Diffstat (limited to 'drivers/net/ethernet/sfc/efx.c')
-rw-r--r--drivers/net/ethernet/sfc/efx.c92
1 files changed, 35 insertions, 57 deletions
diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c
index 3cf3557106c2..5a5dcad8c49a 100644
--- a/drivers/net/ethernet/sfc/efx.c
+++ b/drivers/net/ethernet/sfc/efx.c
@@ -82,7 +82,6 @@ const char *const efx_reset_type_names[] = {
[RESET_TYPE_DISABLE] = "DISABLE",
[RESET_TYPE_TX_WATCHDOG] = "TX_WATCHDOG",
[RESET_TYPE_INT_ERROR] = "INT_ERROR",
- [RESET_TYPE_RX_RECOVERY] = "RX_RECOVERY",
[RESET_TYPE_DMA_ERROR] = "DMA_ERROR",
[RESET_TYPE_TX_SKIP] = "TX_SKIP",
[RESET_TYPE_MC_FAILURE] = "MC_FAILURE",
@@ -356,7 +355,7 @@ static int efx_probe_eventq(struct efx_channel *channel)
/* Build an event queue with room for one event per tx and rx buffer,
* plus some extra for link state events and MCDI completions. */
entries = roundup_pow_of_two(efx->rxq_entries + efx->txq_entries + 128);
- EFX_BUG_ON_PARANOID(entries > EFX_MAX_EVQ_SIZE);
+ EFX_WARN_ON_PARANOID(entries > EFX_MAX_EVQ_SIZE);
channel->eventq_mask = max(entries, EFX_MIN_EVQ_SIZE) - 1;
return efx_nic_probe_eventq(channel);
@@ -485,6 +484,9 @@ efx_copy_channel(const struct efx_channel *old_channel)
*channel = *old_channel;
channel->napi_dev = NULL;
+ INIT_HLIST_NODE(&channel->napi_str.napi_hash_node);
+ channel->napi_str.napi_id = 0;
+ channel->napi_str.state = 0;
memset(&channel->eventq, 0, sizeof(channel->eventq));
for (j = 0; j < EFX_TXQ_TYPES; j++) {
@@ -730,16 +732,7 @@ static void efx_stop_datapath(struct efx_nic *efx)
}
rc = efx->type->fini_dmaq(efx);
- if (rc && EFX_WORKAROUND_7803(efx)) {
- /* Schedule a reset to recover from the flush failure. The
- * descriptor caches reference memory we're about to free,
- * but falcon_reconfigure_mac_wrapper() won't reconnect
- * the MACs because of the pending reset.
- */
- netif_err(efx, drv, efx->net_dev,
- "Resetting to recover from flush failure\n");
- efx_schedule_reset(efx, RESET_TYPE_ALL);
- } else if (rc) {
+ if (rc) {
netif_err(efx, drv, efx->net_dev, "failed to flush queues\n");
} else {
netif_dbg(efx, drv, efx->net_dev,
@@ -1889,15 +1882,13 @@ static void efx_start_all(struct efx_nic *efx)
queue_delayed_work(efx->workqueue, &efx->monitor_work,
efx_monitor_interval);
- /* If link state detection is normally event-driven, we have
+ /* Link state detection is normally event-driven; we have
* to poll now because we could have missed a change
*/
- if (efx_nic_rev(efx) >= EFX_REV_SIENA_A0) {
- mutex_lock(&efx->mac_lock);
- if (efx->phy_op->poll(efx))
- efx_link_status_changed(efx);
- mutex_unlock(&efx->mac_lock);
- }
+ mutex_lock(&efx->mac_lock);
+ if (efx->phy_op->poll(efx))
+ efx_link_status_changed(efx);
+ mutex_unlock(&efx->mac_lock);
efx->type->start_stats(efx);
efx->type->pull_stats(efx);
@@ -2110,10 +2101,9 @@ static void efx_init_napi(struct efx_nic *efx)
static void efx_fini_napi_channel(struct efx_channel *channel)
{
- if (channel->napi_dev) {
+ if (channel->napi_dev)
netif_napi_del(&channel->napi_str);
- napi_hash_del(&channel->napi_str);
- }
+
channel->napi_dev = NULL;
}
@@ -2263,18 +2253,6 @@ static int efx_change_mtu(struct net_device *net_dev, int new_mtu)
rc = efx_check_disabled(efx);
if (rc)
return rc;
- if (new_mtu > EFX_MAX_MTU) {
- netif_err(efx, drv, efx->net_dev,
- "Requested MTU of %d too big (max: %d)\n",
- new_mtu, EFX_MAX_MTU);
- return -EINVAL;
- }
- if (new_mtu < EFX_MIN_MTU) {
- netif_err(efx, drv, efx->net_dev,
- "Requested MTU of %d too small (min: %d)\n",
- new_mtu, EFX_MIN_MTU);
- return -EINVAL;
- }
netif_dbg(efx, drv, efx->net_dev, "changing MTU to %d\n", new_mtu);
@@ -2478,6 +2456,8 @@ static int efx_register_netdev(struct efx_nic *efx)
net_dev->priv_flags |= IFF_UNICAST_FLT;
net_dev->ethtool_ops = &efx_ethtool_ops;
net_dev->gso_max_segs = EFX_TSO_MAX_SEGS;
+ net_dev->min_mtu = EFX_MIN_MTU;
+ net_dev->max_mtu = EFX_MAX_MTU;
rtnl_lock();
@@ -2850,12 +2830,6 @@ void efx_schedule_reset(struct efx_nic *efx, enum reset_type type)
/* PCI device ID table */
static const struct pci_device_id efx_pci_table[] = {
- {PCI_DEVICE(PCI_VENDOR_ID_SOLARFLARE,
- PCI_DEVICE_ID_SOLARFLARE_SFC4000A_0),
- .driver_data = (unsigned long) &falcon_a1_nic_type},
- {PCI_DEVICE(PCI_VENDOR_ID_SOLARFLARE,
- PCI_DEVICE_ID_SOLARFLARE_SFC4000B),
- .driver_data = (unsigned long) &falcon_b0_nic_type},
{PCI_DEVICE(PCI_VENDOR_ID_SOLARFLARE, 0x0803), /* SFC9020 */
.driver_data = (unsigned long) &siena_a0_nic_type},
{PCI_DEVICE(PCI_VENDOR_ID_SOLARFLARE, 0x0813), /* SFL9021 */
@@ -3208,23 +3182,6 @@ static int efx_pci_probe(struct pci_dev *pci_dev,
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_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);
-
- 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);
@@ -3247,6 +3204,27 @@ static int efx_pci_probe(struct pci_dev *pci_dev,
if (rc)
goto fail3;
+ net_dev->features |= (efx->type->offload_features | NETIF_F_SG |
+ 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;
+ /* Check whether device supports TSO */
+ if (!efx->type->tso_versions || !efx->type->tso_versions(efx))
+ net_dev->features &= ~NETIF_F_ALL_TSO;
+ /* 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);
+
+ 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;
+
rc = efx_register_netdev(efx);
if (rc)
goto fail4;
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-29 10:37:12 +0300