[PATCH v3 4/7] tcp: Call gso_make_checksum
From: Tom Herbert <hidden>
Date: 2014-06-05 00:20:11
Subsystem:
networking [general], networking [tcp], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Neal Cardwell, Linus Torvalds
Call common gso_make_checksum when calculating checksum for a TCP GSO segment. Signed-off-by: Tom Herbert <redacted> --- net/ipv4/tcp_offload.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/net/ipv4/tcp_offload.c b/net/ipv4/tcp_offload.c
index b92b817..d8de7b9 100644
--- a/net/ipv4/tcp_offload.c
+++ b/net/ipv4/tcp_offload.c@@ -97,9 +97,7 @@ struct sk_buff *tcp_gso_segment(struct sk_buff *skb, th->check = newcheck; if (skb->ip_summed != CHECKSUM_PARTIAL) - th->check = - csum_fold(csum_partial(skb_transport_header(skb), - thlen, skb->csum)); + th->check = gso_make_checksum(skb, ~th->check); seq += mss; if (copy_destructor) {
@@ -133,8 +131,7 @@ struct sk_buff *tcp_gso_segment(struct sk_buff *skb, th->check = ~csum_fold((__force __wsum)((__force u32)th->check + (__force u32)delta)); if (skb->ip_summed != CHECKSUM_PARTIAL) - th->check = csum_fold(csum_partial(skb_transport_header(skb), - thlen, skb->csum)); + th->check = gso_make_checksum(skb, ~th->check); out: return segs; }
--
2.0.0.526.g5318336