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sk_buff: track dst status in slow_gro

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Similar to the previous patch, but covering the dst field:
the slow_gro flag is additionally set when a dst is attached
to the skb

RFC -> v1:
 - use the existing flag instead of adding a new one

Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Paolo Abeni
2021-07-29 12:18:11 +01:00
committed by David S. Miller
parent 5fc88f93ed
commit 8a886b142b
2 changed files with 4 additions and 0 deletions
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include/net/dst.h
+2
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@@ -277,6 +277,7 @@ static inline void skb_dst_drop(struct sk_buff *skb)
static inline void __skb_dst_copy(struct sk_buff *nskb, unsigned long refdst)
{
nskb->slow_gro |= !!refdst;
nskb->_skb_refdst = refdst;
if (!(nskb->_skb_refdst & SKB_DST_NOREF))
dst_clone(skb_dst(nskb));
@@ -316,6 +317,7 @@ static inline bool skb_dst_force(struct sk_buff *skb)
dst = NULL;
skb->_skb_refdst = (unsigned long)dst;
skb->slow_gro |= !!dst;
}
return skb->_skb_refdst != 0UL;