tcp_update_rto (tc);
}
+ /* Peer is dead or network connectivity is lost. Close connection.
+ * RFC 1122 section 4.2.3.5 recommends a value of at least 100s. For
+ * a min rto of 0.2s we need to retry about 8 times. */
+ if (tc->rto_boff >= TCP_RTO_BOFF_MAX)
+ {
+ tcp_send_reset (tc);
+ tcp_connection_set_state (tc, TCP_STATE_CLOSED);
+ session_transport_closing_notify (&tc->connection);
+ tcp_connection_timers_reset (tc);
+ tcp_timer_update (tc, TCP_TIMER_WAITCLOSE, TCP_CLOSEWAIT_TIME);
+ return;
+ }
+
/* Increment RTO backoff (also equal to number of retries) and go back
* to first un-acked byte */
tc->rto_boff += 1;
ASSERT (tcp_in_fastrecovery (tc));
TCP_EVT_DBG (TCP_EVT_CC_EVT, tc, 0);
+ snd_space = tcp_available_cc_snd_space (tc);
+
if (!tcp_fastrecovery_first (tc))
goto send_unsent;
/* RFC 6582: [If a partial ack], retransmit the first unacknowledged
* segment. */
- snd_space = tc->sack_sb.last_bytes_delivered;
while (snd_space > 0 && n_segs < burst_size)
{
n_written = tcp_prepare_retransmit_segment (wrk, tc, offset,
send_unsent:
/* RFC 6582: Send a new segment if permitted by the new value of cwnd. */
- snd_space = tcp_available_cc_snd_space (tc);
if (snd_space < tc->snd_mss || tc->snd_mss == 0)
goto done;
return;
}
+ /* If next_index is not drop use it */
+ if (tc0->next_node_index)
+ {
+ *next0 = tc0->next_node_index;
+ vnet_buffer (b0)->tcp.next_node_opaque = tc0->next_node_opaque;
+ }
+
vnet_buffer (b0)->sw_if_index[VLIB_TX] = tc0->c_fib_index;
vnet_buffer (b0)->sw_if_index[VLIB_RX] = 0;