diff options
Diffstat (limited to 'net/ipv4/tcp_output.c')
| -rw-r--r-- | net/ipv4/tcp_output.c | 14 |
1 files changed, 1 insertions, 13 deletions
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index ce506af5ce0..030fc69ea21 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -653,9 +653,7 @@ static void tcp_set_skb_tso_segs(struct sock *sk, struct sk_buff *skb, unsigned } /* When a modification to fackets out becomes necessary, we need to check - * skb is counted to fackets_out or not. Another important thing is to - * tweak SACK fastpath hint too as it would overwrite all changes unless - * hint is also changed. + * skb is counted to fackets_out or not. */ static void tcp_adjust_fackets_out(struct sock *sk, struct sk_buff *skb, int decr) @@ -667,11 +665,6 @@ static void tcp_adjust_fackets_out(struct sock *sk, struct sk_buff *skb, if (!before(tcp_highest_sack_seq(tp), TCP_SKB_CB(skb)->seq)) tp->fackets_out -= decr; - - /* cnt_hint is "off-by-one" compared with fackets_out (see sacktag) */ - if (tp->fastpath_skb_hint != NULL && - after(TCP_SKB_CB(tp->fastpath_skb_hint)->seq, TCP_SKB_CB(skb)->seq)) - tp->fastpath_cnt_hint -= decr; } /* Function to create two new TCP segments. Shrinks the given segment @@ -1753,11 +1746,6 @@ static void tcp_retrans_try_collapse(struct sock *sk, struct sk_buff *skb, int m /* changed transmit queue under us so clear hints */ tcp_clear_retrans_hints_partial(tp); - /* manually tune sacktag skb hint */ - if (tp->fastpath_skb_hint == next_skb) { - tp->fastpath_skb_hint = skb; - tp->fastpath_cnt_hint -= tcp_skb_pcount(skb); - } sk_stream_free_skb(sk, next_skb); } |