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| author |  David S. Miller <davem@davemloft.net>
| 2016-04-23 18:26:24 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net>
| 2016-04-23 18:51:33 -0400 |
| commit | 1602f49b58abcb0d34a5f0a29d68e7c1769547aa (patch) | |
| tree | 4848fb0ffbc581ff465fd9c9e5a5b10b06f09b68 /net/ipv4/tcp_output.c | |
| parent | Merge branch 'geneve-vxlan-deps' (diff) | |
| parent | Merge tag 'rtc-4.6-3' of git://git.kernel.org/pub/scm/linux/kernel/git/abello... (diff) | |
| download | linux-1602f49b58abcb0d34a5f0a29d68e7c1769547aa.tar.gz linux-1602f49b58abcb0d34a5f0a29d68e7c1769547aa.tar.bz2 linux-1602f49b58abcb0d34a5f0a29d68e7c1769547aa.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts were two cases of simple overlapping changes,
nothing serious.
In the UDP case, we need to add a hlist_add_tail_rcu()
to linux/rculist.h, because we've moved UDP socket handling
away from using nulls lists.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp_output.c')
| -rw-r--r-- | net/ipv4/tcp_output.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 6451b83d81e9..96182a2aabc9 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -2441,6 +2441,20 @@ u32 __tcp_select_window(struct sock *sk) return window; } +void tcp_skb_collapse_tstamp(struct sk_buff *skb, + const struct sk_buff *next_skb) +{ + const struct skb_shared_info *next_shinfo = skb_shinfo(next_skb); + u8 tsflags = next_shinfo->tx_flags & SKBTX_ANY_TSTAMP; + + if (unlikely(tsflags)) { + struct skb_shared_info *shinfo = skb_shinfo(skb); + + shinfo->tx_flags |= tsflags; + shinfo->tskey = next_shinfo->tskey; + } +} + /* Collapses two adjacent SKB's during retransmission. */ static void tcp_collapse_retrans(struct sock *sk, struct sk_buff *skb) { @@ -2484,6 +2498,8 @@ static void tcp_collapse_retrans(struct sock *sk, struct sk_buff *skb) tcp_adjust_pcount(sk, next_skb, tcp_skb_pcount(next_skb)); + tcp_skb_collapse_tstamp(skb, next_skb); + sk_wmem_free_skb(sk, next_skb); } |