diff options
Diffstat (limited to 'net/ipv4/tcp_output.c')
-rw-r--r-- | net/ipv4/tcp_output.c | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 0d5a11834d91..3a37f54c6651 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -1320,21 +1320,21 @@ static void tcp_cwnd_validate(struct sock *sk) * when we would be allowed to send the split-due-to-Nagle skb fully. */ static unsigned int tcp_mss_split_point(const struct sock *sk, const struct sk_buff *skb, - unsigned int mss_now, unsigned int max_segs) + unsigned int mss_now, unsigned int cwnd) { const struct tcp_sock *tp = tcp_sk(sk); - u32 needed, window, max_len; + u32 needed, window, cwnd_len; window = tcp_wnd_end(tp) - TCP_SKB_CB(skb)->seq; - max_len = mss_now * max_segs; + cwnd_len = mss_now * cwnd; - if (likely(max_len <= window && skb != tcp_write_queue_tail(sk))) - return max_len; + if (likely(cwnd_len <= window && skb != tcp_write_queue_tail(sk))) + return cwnd_len; needed = min(skb->len, window); - if (max_len <= needed) - return max_len; + if (cwnd_len <= needed) + return cwnd_len; return needed - needed % mss_now; } @@ -1562,8 +1562,7 @@ static int tcp_tso_should_defer(struct sock *sk, struct sk_buff *skb) limit = min(send_win, cong_win); /* If a full-sized TSO skb can be sent, do it. */ - if (limit >= min_t(unsigned int, sk->sk_gso_max_size, - sk->sk_gso_max_segs * tp->mss_cache)) + if (limit >= sk->sk_gso_max_size) goto send_now; /* Middle in queue won't get any more data, full sendable already? */ @@ -1792,9 +1791,7 @@ static int tcp_write_xmit(struct sock *sk, unsigned int mss_now, int nonagle, limit = mss_now; if (tso_segs > 1 && !tcp_urg_mode(tp)) limit = tcp_mss_split_point(sk, skb, mss_now, - min_t(unsigned int, - cwnd_quota, - sk->sk_gso_max_segs)); + cwnd_quota); if (skb->len > limit && unlikely(tso_fragment(sk, skb, limit, mss_now, gfp))) |