From a52fe46ef160b4101b8d14209729f49a71388b52 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <edumazet@google.com>
Date: Wed, 27 Oct 2021 13:19:21 -0700
Subject: tcp: factorize ip_summed setting
Setting skb->ip_summed to CHECKSUM_PARTIAL can be centralized
in tcp_stream_alloc_skb() and __mptcp_do_alloc_tx_skb()
instead of being done multiple times.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
net/ipv4/tcp.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
(limited to 'net/ipv4/tcp.c')
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 66ed0d79f414..c58d448b45a0 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -876,6 +876,7 @@ struct sk_buff *tcp_stream_alloc_skb(struct sock *sk, int size, gfp_t gfp,
}
if (likely(mem_scheduled)) {
skb_reserve(skb, MAX_TCP_HEADER);
+ skb->ip_summed = CHECKSUM_PARTIAL;
INIT_LIST_HEAD(&skb->tcp_tsorted_anchor);
return skb;
}
@@ -993,7 +994,6 @@ new_segment:
skb->truesize += copy;
sk_wmem_queued_add(sk, copy);
sk_mem_charge(sk, copy);
- skb->ip_summed = CHECKSUM_PARTIAL;
WRITE_ONCE(tp->write_seq, tp->write_seq + copy);
TCP_SKB_CB(skb)->end_seq += copy;
tcp_skb_pcount_set(skb, 0);
@@ -1289,7 +1289,6 @@ new_segment:
goto wait_for_space;
process_backlog++;
- skb->ip_summed = CHECKSUM_PARTIAL;
tcp_skb_entail(sk, skb);
copy = size_goal;
--
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