diff options
Diffstat (limited to 'src/vnet/tcp/tcp_output.c')
| -rw-r--r-- | src/vnet/tcp/tcp_output.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/vnet/tcp/tcp_output.c b/src/vnet/tcp/tcp_output.c index e3228c07fa1..0047f3c22e3 100644 --- a/src/vnet/tcp/tcp_output.c +++ b/src/vnet/tcp/tcp_output.c @@ -1392,6 +1392,8 @@ tcp_prepare_retransmit_segment (tcp_worker_ctx_t * wrk, max_deq_bytes = clib_min (available_bytes, max_deq_bytes); start = tc->snd_una + offset; + ASSERT (seq_leq (start + max_deq_bytes, tc->snd_nxt)); + n_bytes = tcp_prepare_segment (wrk, tc, offset, max_deq_bytes, b); if (!n_bytes) return 0; @@ -1521,7 +1523,8 @@ tcp_timer_retransmit_handler (u32 tc_index) /* Send the first unacked segment. If we're short on buffers, return * as soon as possible */ - n_bytes = tcp_prepare_retransmit_segment (wrk, tc, 0, tc->snd_mss, &b); + n_bytes = clib_min (tc->snd_mss, tc->snd_nxt - tc->snd_una); + n_bytes = tcp_prepare_retransmit_segment (wrk, tc, 0, n_bytes, &b); if (!n_bytes) { tcp_timer_update (tc, TCP_TIMER_RETRANSMIT, 1); @@ -1922,7 +1925,7 @@ tcp_retransmit_sack (tcp_worker_ctx_t * wrk, tcp_connection_t * tc, while (snd_space > 0 && n_segs < burst_size) { - hole = scoreboard_next_rxt_hole (sb, hole, max_deq, &can_rescue, + hole = scoreboard_next_rxt_hole (sb, hole, max_deq != 0, &can_rescue, &snd_limited); if (!hole) { @@ -1990,6 +1993,8 @@ tcp_retransmit_sack (tcp_worker_ctx_t * wrk, tcp_connection_t * tc, tcp_enqueue_to_output (wrk, b, bi, tc->c_is_ip4); sb->high_rxt += n_written; + ASSERT (seq_leq (sb->high_rxt, tc->snd_nxt)); + snd_space -= n_written; n_segs += 1; } |