* [PATCH net-next] ipvlan: use netif_receive_skb() in ipvlan_process_multicast()
@ 2026-04-27 9:36 Eric Dumazet
0 siblings, 0 replies; only message in thread
From: Eric Dumazet @ 2026-04-27 9:36 UTC (permalink / raw)
To: David S . Miller, Jakub Kicinski, Paolo Abeni
Cc: Simon Horman, netdev, eric.dumazet, Eric Dumazet
ipvlan_process_multicast() runs from process context, there is no
risk of stack overflow if we call netif_receive_skb() instead
of netif_rx().
This avoids some overhead adding/removing skbs to/from a per-cpu
backlog and raising/processing NET_RX softirqs.
Signed-off-by: Eric Dumazet <edumazet@google.com>
---
drivers/net/ipvlan/ipvlan_core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ipvlan/ipvlan_core.c b/drivers/net/ipvlan/ipvlan_core.c
index 1be8620ad3971d281fb36fd0770efd67b566ae60..7ad12dc7845c836bdd04395f153b2b4b397797d6 100644
--- a/drivers/net/ipvlan/ipvlan_core.c
+++ b/drivers/net/ipvlan/ipvlan_core.c
@@ -286,7 +286,7 @@ void ipvlan_process_multicast(struct work_struct *work)
if (tx_pkt)
ret = dev_forward_skb(ipvlan->dev, nskb);
else
- ret = netif_rx(nskb);
+ ret = netif_receive_skb(nskb);
}
ipvlan_count_rx(ipvlan, len, ret == NET_RX_SUCCESS, true);
local_bh_enable();
--
2.54.0.545.g6539524ca2-goog
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