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Merge branch 'eth-fbnic-fix-drop-stats-support'

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Mohsin Bashir says:

====================
eth: fbnic: Fix drop stats support

Fix hardware drop stats support on the TX path of fbnic by addressing two
issues: ensure that tx_dropped stats are correctly copied to the
rtnl_link_stats64 struct, and protect the copying of drop stats from
fdb->hw_stats to the local variable with the hw_stats_lock to
ensure consistency.
====================

Link: https://patch.msgid.link/20250802024636.679317-1-mohsin.bashr@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jakub Kicinski
2025-08-05 16:01:47 -07:00
parent e407fceeaf 53abd9c86f
commit ad21f668e8
1 changed files with 6 additions and 4 deletions
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10
drivers/net/ethernet/meta/fbnic/fbnic_netdev.c
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@@ -422,15 +422,17 @@ static void fbnic_get_stats64(struct net_device *dev,
tx_packets = stats->packets;
tx_dropped = stats->dropped;
stats64->tx_bytes = tx_bytes;
stats64->tx_packets = tx_packets;
stats64->tx_dropped = tx_dropped;
/* Record drops from Tx HW Datapath */
spin_lock(&fbd->hw_stats_lock);
tx_dropped += fbd->hw_stats.tmi.drop.frames.value +
fbd->hw_stats.tti.cm_drop.frames.value +
fbd->hw_stats.tti.frame_drop.frames.value +
fbd->hw_stats.tti.tbi_drop.frames.value;
spin_unlock(&fbd->hw_stats_lock);
stats64->tx_bytes = tx_bytes;
stats64->tx_packets = tx_packets;
stats64->tx_dropped = tx_dropped;
for (i = 0; i < fbn->num_tx_queues; i++) {
struct fbnic_ring *txr = fbn->tx[i];