net: call dev_queue_xmit_nit() after skb_dst_drop()
Avoid some atomic ops on dst refcount, calling dev_queue_xmit_nit()
after skb_dst_drop() in dev_hard_start_xmit().
When queueing a packet into af_packet socket, we drop dst anyway.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/core/dev.c b/net/core/dev.c
index 822b15b..d28b3a0 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2022,9 +2022,6 @@
int rc = NETDEV_TX_OK;
if (likely(!skb->next)) {
- if (!list_empty(&ptype_all))
- dev_queue_xmit_nit(skb, dev);
-
/*
* If device doesnt need skb->dst, release it right now while
* its hot in this cpu cache
@@ -2032,6 +2029,9 @@
if (dev->priv_flags & IFF_XMIT_DST_RELEASE)
skb_dst_drop(skb);
+ if (!list_empty(&ptype_all))
+ dev_queue_xmit_nit(skb, dev);
+
skb_orphan_try(skb);
if (vlan_tx_tag_present(skb) &&