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authorLorenzo Bianconi <lorenzo@kernel.org>2023-03-09 13:25:29 +0100
committerJakub Kicinski <kuba@kernel.org>2023-03-10 21:33:48 -0800
commit7aa6dc351b92abbfead9ebe25ce7a7ac0384ea6d (patch)
treebacf3cbca972f3fda03721e5bf4e585da5a58659 /drivers/net/ethernet/amazon/ena
parent3c249fe4de1608a9af56563606d4f6eb3a64a47f (diff)
net: ena: take into account xdp_features setting tx/rx queues
ena nic allows xdp just if enough hw queues are available for XDP. Take into account queues configuration setting xdp_features. Fixes: 66c0e13ad236 ("drivers: net: turn on XDP features") Reviewed-by: Shay Agroskin <shayagr@amazon.com> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/amazon/ena')
-rw-r--r--drivers/net/ethernet/amazon/ena/ena_ethtool.c15
-rw-r--r--drivers/net/ethernet/amazon/ena/ena_netdev.c6
2 files changed, 16 insertions, 5 deletions
diff --git a/drivers/net/ethernet/amazon/ena/ena_ethtool.c b/drivers/net/ethernet/amazon/ena/ena_ethtool.c
index 8da79eedc057..1d4f2f4d10f2 100644
--- a/drivers/net/ethernet/amazon/ena/ena_ethtool.c
+++ b/drivers/net/ethernet/amazon/ena/ena_ethtool.c
@@ -850,11 +850,20 @@ static int ena_set_channels(struct net_device *netdev,
struct ena_adapter *adapter = netdev_priv(netdev);
u32 count = channels->combined_count;
/* The check for max value is already done in ethtool */
- if (count < ENA_MIN_NUM_IO_QUEUES ||
- (ena_xdp_present(adapter) &&
- !ena_xdp_legal_queue_count(adapter, count)))
+ if (count < ENA_MIN_NUM_IO_QUEUES)
return -EINVAL;
+ if (!ena_xdp_legal_queue_count(adapter, count)) {
+ if (ena_xdp_present(adapter))
+ return -EINVAL;
+
+ xdp_clear_features_flag(netdev);
+ } else {
+ xdp_set_features_flag(netdev,
+ NETDEV_XDP_ACT_BASIC |
+ NETDEV_XDP_ACT_REDIRECT);
+ }
+
return ena_update_queue_count(adapter, count);
}
diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c
index d3999db7c6a2..cbfe7f977270 100644
--- a/drivers/net/ethernet/amazon/ena/ena_netdev.c
+++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c
@@ -4105,8 +4105,6 @@ static void ena_set_conf_feat_params(struct ena_adapter *adapter,
/* Set offload features */
ena_set_dev_offloads(feat, netdev);
- netdev->xdp_features = NETDEV_XDP_ACT_BASIC | NETDEV_XDP_ACT_REDIRECT;
-
adapter->max_mtu = feat->dev_attr.max_mtu;
netdev->max_mtu = adapter->max_mtu;
netdev->min_mtu = ENA_MIN_MTU;
@@ -4393,6 +4391,10 @@ static int ena_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
ena_config_debug_area(adapter);
+ if (ena_xdp_legal_queue_count(adapter, adapter->num_io_queues))
+ netdev->xdp_features = NETDEV_XDP_ACT_BASIC |
+ NETDEV_XDP_ACT_REDIRECT;
+
memcpy(adapter->netdev->perm_addr, adapter->mac_addr, netdev->addr_len);
netif_carrier_off(netdev);