From ca1c8f3e782dc68a51aa2792771d9b4aac696ddd Mon Sep 17 00:00:00 2001 From: Florin Coras Date: Wed, 23 May 2018 21:01:30 -0700 Subject: tcp: loss recovery improvements/fixes - fix newreno cwnd computation - reset snd_una_max on entering recovery - accept acks beyond snd_nxt but less than snd_congestion when in recovery - avoid entering fast recovery multiple times when using sacks - avoid as much as possible sending small segments when doing fast retransmit - more event logging Change-Id: I19dd151d7704e39d4eae06de3a26f5e124875366 Signed-off-by: Florin Coras --- src/vnet/session/session_node.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) (limited to 'src/vnet/session/session_node.c') diff --git a/src/vnet/session/session_node.c b/src/vnet/session/session_node.c index 46fc4dc8745..e046efba81f 100644 --- a/src/vnet/session/session_node.c +++ b/src/vnet/session/session_node.c @@ -260,6 +260,8 @@ session_tx_not_ready (stream_session_t * s, u8 peek_data) * session is not ready or closed */ if (s->session_state < SESSION_STATE_READY) return 1; + if (s->session_state == SESSION_STATE_CLOSED) + return 2; } return 0; } @@ -364,11 +366,12 @@ session_tx_fifo_read_and_snd_i (vlib_main_t * vm, vlib_node_runtime_t * node, session_tx_context_t *ctx = &smm->ctx[thread_index]; transport_proto_t tp; vlib_buffer_t *pb; - u16 n_bufs; + u16 n_bufs, rv; - if (PREDICT_FALSE (session_tx_not_ready (s, peek_data))) + if (PREDICT_FALSE ((rv = session_tx_not_ready (s, peek_data)))) { - vec_add1 (smm->pending_event_vector[thread_index], *e); + if (rv < 2) + vec_add1 (smm->pending_event_vector[thread_index], *e); return 0; } -- cgit 1.2.3-korg