Gitweb: http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=409d22b470532cb92b91b9aeb7257357a176b849 Commit: 409d22b470532cb92b91b9aeb7257357a176b849 Parent: 056834d9f6f6eaf4cc7268569e53acab957aac27 Author: Ilpo Järvinen <[EMAIL PROTECTED]> AuthorDate: Mon Dec 31 14:57:40 2007 -0800 Committer: David S. Miller <[EMAIL PROTECTED]> CommitDate: Mon Jan 28 15:00:26 2008 -0800
[TCP]: Code duplication removal, added tcp_bound_to_half_wnd() Signed-off-by: Ilpo Järvinen <[EMAIL PROTECTED]> Signed-off-by: David S. Miller <[EMAIL PROTECTED]> --- net/ipv4/tcp_output.c | 19 +++++++++++-------- 1 files changed, 11 insertions(+), 8 deletions(-) diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index bb7e80a..b3110fc 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -888,6 +888,15 @@ void tcp_mtup_init(struct sock *sk) icsk->icsk_mtup.probe_size = 0; } +/* Bound MSS / TSO packet size with the half of the window */ +static int tcp_bound_to_half_wnd(struct tcp_sock *tp, int pktsize) +{ + if (tp->max_window && pktsize > (tp->max_window >> 1)) + return max(tp->max_window >> 1, 68U - tp->tcp_header_len); + else + return pktsize; +} + /* This function synchronize snd mss to current pmtu/exthdr set. tp->rx_opt.user_mss is mss set by user by TCP_MAXSEG. It does NOT counts @@ -920,10 +929,7 @@ unsigned int tcp_sync_mss(struct sock *sk, u32 pmtu) icsk->icsk_mtup.search_high = pmtu; mss_now = tcp_mtu_to_mss(sk, pmtu); - - /* Bound mss with half of window */ - if (tp->max_window && mss_now > (tp->max_window >> 1)) - mss_now = max((tp->max_window >> 1), 68U - tp->tcp_header_len); + mss_now = tcp_bound_to_half_wnd(tp, mss_now); /* And store cached results */ icsk->icsk_pmtu_cookie = pmtu; @@ -977,10 +983,7 @@ unsigned int tcp_current_mss(struct sock *sk, int large_allowed) inet_csk(sk)->icsk_ext_hdr_len - tp->tcp_header_len); - if (tp->max_window && (xmit_size_goal > (tp->max_window >> 1))) - xmit_size_goal = max((tp->max_window >> 1), - 68U - tp->tcp_header_len); - + xmit_size_goal = tcp_bound_to_half_wnd(tp, xmit_size_goal); xmit_size_goal -= (xmit_size_goal % mss_now); } tp->xmit_size_goal = xmit_size_goal; - To unsubscribe from this list: send the line "unsubscribe git-commits-head" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html