From 9d063047eb1a3738cb0fc9ebebb55793d155bb20 Mon Sep 17 00:00:00 2001 From: Florin Coras Date: Thu, 14 Sep 2017 03:08:00 -0400 Subject: session/tcp: improve preallocated segment handling - add preallocated segment flag - don't remove pre-allocated segments except if application detaches - when preallocating fifos in multiple segments, completely fill a segment before moving to the next - detach server application from segment-managers when deleting app - batch syn/syn-ack/fin (re)transmissions - loosen up close-wait and time-wait times Change-Id: I412f53ce601cc83b3acc26aeffd7fa2d52d73b03 Signed-off-by: Florin Coras --- src/vnet/session/session.c | 18 ++++++------------ 1 file changed, 6 insertions(+), 12 deletions(-) (limited to 'src/vnet/session/session.c') diff --git a/src/vnet/session/session.c b/src/vnet/session/session.c index 792e6612dc1..dc930ce87d3 100644 --- a/src/vnet/session/session.c +++ b/src/vnet/session/session.c @@ -453,7 +453,7 @@ stream_session_connect_notify (transport_connection_t * tc, u8 is_fail) st); if (handle == HALF_OPEN_LOOKUP_INVALID_VALUE) { - clib_warning ("half-open was removed!"); + TCP_DBG ("half-open was removed!"); return -1; } @@ -732,6 +732,7 @@ session_send_session_evt_to_thread (u64 session_handle, u32 thread_index) { static u16 serial_number = 0; + u32 tries = 0; session_fifo_event_t evt; unix_shared_memory_queue_t *q; @@ -741,21 +742,14 @@ session_send_session_evt_to_thread (u64 session_handle, evt.event_id = serial_number++; q = session_manager_get_vpp_event_queue (thread_index); - - /* Based on request block (or not) for lack of space */ - if (PREDICT_TRUE (q->cursize < q->maxsize)) + while (unix_shared_memory_queue_add (q, (u8 *) & evt, 1)) { - if (unix_shared_memory_queue_add (q, (u8 *) & evt, - 0 /* do wait for mutex */ )) + if (tries++ == 3) { - clib_warning ("failed to enqueue evt"); + TCP_DBG ("failed to enqueue evt"); + break; } } - else - { - clib_warning ("queue full"); - return; - } } /** -- cgit 1.2.3-korg