From f03a59ab008908f98fd7d1b187a8c0fb78b01add Mon Sep 17 00:00:00 2001 From: Florin Coras Date: Fri, 9 Jun 2017 21:07:32 -0700 Subject: Overall tcp performance improvements (VPP-846) - limit minimum rto per connection - cleanup sack scoreboard - switched svm fifo out-of-order data handling from absolute offsets to relative offsets. - improve cwnd handling when using sacks - add cc event debug stats - improved uri tcp test client/server: bugfixes and added half-duplex mode - expanded builtin client/server - updated uri socket client/server code to work in half-duplex - ensure session node unsets fifo event for empty fifo - fix session detach Change-Id: Ia446972340e32a65e0694ee2844355167d0c170d Signed-off-by: Florin Coras --- src/vnet/session/session.c | 25 ++++++++++++++++++------- 1 file changed, 18 insertions(+), 7 deletions(-) (limited to 'src/vnet/session/session.c') diff --git a/src/vnet/session/session.c b/src/vnet/session/session.c index 534598d637f..fe198044db9 100644 --- a/src/vnet/session/session.c +++ b/src/vnet/session/session.c @@ -700,7 +700,7 @@ stream_session_init_fifos_pointers (transport_connection_t * tc, svm_fifo_init_pointers (s->server_tx_fifo, tx_pointer); } -void +int stream_session_connect_notify (transport_connection_t * tc, u8 sst, u8 is_fail) { @@ -709,6 +709,7 @@ stream_session_connect_notify (transport_connection_t * tc, u8 sst, stream_session_t *new_s = 0; u64 handle; u32 api_context = 0; + int error = 0; handle = stream_session_half_open_lookup (smm, &tc->lcl_ip, &tc->rmt_ip, tc->lcl_port, tc->rmt_port, @@ -716,7 +717,7 @@ stream_session_connect_notify (transport_connection_t * tc, u8 sst, if (handle == HALF_OPEN_LOOKUP_INVALID_VALUE) { clib_warning ("This can't be good!"); - return; + return -1; } /* Get the app's index from the handle we stored when opening connection */ @@ -730,9 +731,12 @@ stream_session_connect_notify (transport_connection_t * tc, u8 sst, /* Create new session (svm segments are allocated if needed) */ if (stream_session_create_i (sm, tc, &new_s)) - return; - - new_s->app_index = app->index; + { + is_fail = 1; + error = -1; + } + else + new_s->app_index = app->index; } /* Notify client */ @@ -741,6 +745,8 @@ stream_session_connect_notify (transport_connection_t * tc, u8 sst, /* Cleanup session lookup */ stream_session_half_open_table_del (smm, sst, tc); + + return error; } void @@ -981,8 +987,13 @@ session_send_session_evt_to_thread (u64 session_handle, /* Based on request block (or not) for lack of space */ if (PREDICT_TRUE (q->cursize < q->maxsize)) - unix_shared_memory_queue_add (q, (u8 *) & evt, - 0 /* do wait for mutex */ ); + { + if (unix_shared_memory_queue_add (q, (u8 *) & evt, + 1 /* do wait for mutex */ )) + { + clib_warning ("failed to enqueue evt"); + } + } else { clib_warning ("queue full"); -- cgit 1.2.3-korg