net: move skb_mark_napi_id() into core networking stack
We would like to automatically provide busy polling support
to all NAPI drivers, without them having to implement anything.
skb_mark_napi_id() can be called from napi_gro_receive() and
napi_get_frags().
Few drivers are still calling skb_mark_napi_id() because
they use netif_receive_skb(). They should eventually call
napi_gro_receive() instead. I will leave this to drivers
maintainers.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/core/dev.c b/net/core/dev.c
index 9300961..83b4874 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -4356,6 +4356,7 @@
gro_result_t napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb)
{
+ skb_mark_napi_id(skb, napi);
trace_napi_gro_receive_entry(skb);
skb_gro_reset_offset(skb);
@@ -4390,6 +4391,7 @@
if (!skb) {
skb = napi_alloc_skb(napi, GRO_MAX_HEAD);
napi->skb = skb;
+ skb_mark_napi_id(skb, napi);
}
return skb;
}
