tcp: move tcp_simple_retransmit to tcp_input

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 0 insertions, 50 deletions

diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 86ef98975e94..c069ecb81ea5 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -1879,56 +1879,6 @@ static void tcp_retrans_try_collapse(struct sock *sk, struct sk_buff *to,
         }
 }
 
-/* Do a simple retransmit without using the backoff mechanisms in
- * tcp_timer. This is used for path mtu discovery.
- * The socket is already locked here.
- */
-void tcp_simple_retransmit(struct sock *sk)
-{
-        const struct inet_connection_sock *icsk = inet_csk(sk);
-        struct tcp_sock *tp = tcp_sk(sk);
-        struct sk_buff *skb;
-        unsigned int mss = tcp_current_mss(sk, 0);
-        u32 prior_lost = tp->lost_out;
-
-        tcp_for_write_queue(skb, sk) {
-                if (skb == tcp_send_head(sk))
-                        break;
-                if (skb->len > mss &&
-                    !(TCP_SKB_CB(skb)->sacked & TCPCB_SACKED_ACKED)) {
-                        if (TCP_SKB_CB(skb)->sacked & TCPCB_SACKED_RETRANS) {
-                                TCP_SKB_CB(skb)->sacked &= ~TCPCB_SACKED_RETRANS;
-                                tp->retrans_out -= tcp_skb_pcount(skb);
-                        }
-                        tcp_skb_mark_lost_uncond_verify(tp, skb);
-                }
-        }
-
-        tcp_clear_retrans_hints_partial(tp);
-
-        if (prior_lost == tp->lost_out)
-                return;
-
-        if (tcp_is_reno(tp))
-                tcp_limit_reno_sacked(tp);
-
-        tcp_verify_left_out(tp);
-
-        /* Don't muck with the congestion window here.
-         * Reason is that we do not increase amount of _data_
-         * in network, but units changed and effective
-         * cwnd/ssthresh really reduced now.
-         */
-        if (icsk->icsk_ca_state != TCP_CA_Loss) {
-                tp->high_seq = tp->snd_nxt;
-                tp->snd_ssthresh = tcp_current_ssthresh(sk);
-                tp->prior_ssthresh = 0;
-                tp->undo_marker = 0;
-                tcp_set_ca_state(sk, TCP_CA_Loss);
-        }
-        tcp_xmit_retransmit_queue(sk);
-}
-
 /* This retransmits one SKB.  Policy decisions and retransmit queue
  * state updates are done by the caller.  Returns non-zero if an
  * error occurred which prevented the send.