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authorPeter Zijlstra <peterz@infradead.org>2020-07-22 10:22:02 +0200
committerPeter Zijlstra <peterz@infradead.org>2020-07-22 10:22:02 +0200
commit015dc08918785201199ed3450c22bb8939f09dfe (patch)
tree7ba52e0b1e518fa750aaac0c1da8dd70c3eca1eb /net/ipv4/tcp_output.c
parent9d246053a69196c7c27068870e9b4b66ac536f68 (diff)
parentd136122f58458479fd8926020ba2937de61d7f65 (diff)
Merge branch 'sched/urgent'
Diffstat (limited to 'net/ipv4/tcp_output.c')
-rw-r--r--net/ipv4/tcp_output.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index a50e1990a845..5f5b2f0b0e60 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -700,7 +700,8 @@ static unsigned int tcp_synack_options(const struct sock *sk,
unsigned int mss, struct sk_buff *skb,
struct tcp_out_options *opts,
const struct tcp_md5sig_key *md5,
- struct tcp_fastopen_cookie *foc)
+ struct tcp_fastopen_cookie *foc,
+ enum tcp_synack_type synack_type)
{
struct inet_request_sock *ireq = inet_rsk(req);
unsigned int remaining = MAX_TCP_OPTION_SPACE;
@@ -715,7 +716,8 @@ static unsigned int tcp_synack_options(const struct sock *sk,
* rather than TS in order to fit in better with old,
* buggy kernels, but that was deemed to be unnecessary.
*/
- ireq->tstamp_ok &= !ireq->sack_ok;
+ if (synack_type != TCP_SYNACK_COOKIE)
+ ireq->tstamp_ok &= !ireq->sack_ok;
}
#endif
@@ -3394,7 +3396,7 @@ struct sk_buff *tcp_make_synack(const struct sock *sk, struct dst_entry *dst,
#endif
skb_set_hash(skb, tcp_rsk(req)->txhash, PKT_HASH_TYPE_L4);
tcp_header_size = tcp_synack_options(sk, req, mss, skb, &opts, md5,
- foc) + sizeof(*th);
+ foc, synack_type) + sizeof(*th);
skb_push(skb, tcp_header_size);
skb_reset_transport_header(skb);