net/tls: fix socket wmem accounting on fallback with netem
[ Upstream commit 5c4b4608fe100838c62591877101128467e56c00 ]
netem runs skb_orphan_partial() which "disconnects" the skb
from normal TCP write memory accounting. We should not adjust
sk->sk_wmem_alloc on the fallback path for such skbs.
Fixes: e8f6979981
("net/tls: Add generic NIC offload infrastructure")
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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@ -208,6 +208,10 @@ static void complete_skb(struct sk_buff *nskb, struct sk_buff *skb, int headln)
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update_chksum(nskb, headln);
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/* sock_efree means skb must gone through skb_orphan_partial() */
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if (nskb->destructor == sock_efree)
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return;
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delta = nskb->truesize - skb->truesize;
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if (likely(delta < 0))
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WARN_ON_ONCE(refcount_sub_and_test(-delta, &sk->sk_wmem_alloc));
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