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net: virtio_net: add get_rxrings ethtool callback for RX ring queries

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Replace the existing virtnet_get_rxnfc callback with a dedicated
virtnet_get_rxrings implementation to provide the number of RX rings
directly via the new ethtool_ops get_rx_ring_count pointer.

This simplifies the RX ring count retrieval and aligns virtio_net with
the new ethtool API for querying RX ring parameters.

Signed-off-by: Breno Leitao <leitao@debian.org>
Link: https://patch.msgid.link/20250917-gxrings-v4-8-dae520e2e1cb@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Breno Leitao
2025-09-17 02:58:15 -07:00
committed by Jakub Kicinski
parent 8b7c4b612d
commit 483446690a
1 changed files with 3 additions and 12 deletions
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drivers/net/virtio_net.c
+3 -12
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@@ -5609,20 +5609,11 @@ static int virtnet_set_rxfh(struct net_device *dev,
return 0;
}
static int virtnet_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info, u32 *rule_locs)
static u32 virtnet_get_rx_ring_count(struct net_device *dev)
{
struct virtnet_info *vi = netdev_priv(dev);
int rc = 0;
switch (info->cmd) {
case ETHTOOL_GRXRINGS:
info->data = vi->curr_queue_pairs;
break;
default:
rc = -EOPNOTSUPP;
}
return rc;
return vi->curr_queue_pairs;
}
static const struct ethtool_ops virtnet_ethtool_ops = {
@@ -5650,7 +5641,7 @@ static const struct ethtool_ops virtnet_ethtool_ops = {
.set_rxfh = virtnet_set_rxfh,
.get_rxfh_fields = virtnet_get_hashflow,
.set_rxfh_fields = virtnet_set_hashflow,
.get_rxnfc = virtnet_get_rxnfc,
.get_rx_ring_count = virtnet_get_rx_ring_count,
};
static void virtnet_get_queue_stats_rx(struct net_device *dev, int i,