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authorYafang Shao <laoar.shao@gmail.com>2018-05-29 18:27:31 +0300
committerDavid S. Miller <davem@davemloft.net>2018-05-31 20:20:47 +0300
commit3d97d88e8091f3501e016f6b4ce45a32c4b8f2f6 (patch)
treed5337f3bf77ad4677098f20351e91af3af325adf /include/net
parent0c3a4cf84fb9ab17a4c9d3b34cfd6098887dd998 (diff)
downloadlinux-3d97d88e8091f3501e016f6b4ce45a32c4b8f2f6.tar.xz
tcp: minor optimization around tcp_hdr() usage in receive path
This is additional to the commit ea1627c20c34 ("tcp: minor optimizations around tcp_hdr() usage"). At this point, skb->data is same with tcp_hdr() as tcp header has not been pulled yet. So use the less expensive one to get the tcp header. Remove the third parameter of tcp_rcv_established() and put it into the function body. Furthermore, the local variables are listed as a reverse christmas tree :) Cc: Eric Dumazet <edumazet@google.com> Signed-off-by: Yafang Shao <laoar.shao@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net')
-rw-r--r--include/net/tcp.h3
1 files changed, 1 insertions, 2 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 952d842a604a..029a51b91742 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -334,8 +334,7 @@ void tcp_write_timer_handler(struct sock *sk);
void tcp_delack_timer_handler(struct sock *sk);
int tcp_ioctl(struct sock *sk, int cmd, unsigned long arg);
int tcp_rcv_state_process(struct sock *sk, struct sk_buff *skb);
-void tcp_rcv_established(struct sock *sk, struct sk_buff *skb,
- const struct tcphdr *th);
+void tcp_rcv_established(struct sock *sk, struct sk_buff *skb);
void tcp_rcv_space_adjust(struct sock *sk);
int tcp_twsk_unique(struct sock *sk, struct sock *sktw, void *twp);
void tcp_twsk_destructor(struct sock *sk);