diff options
Diffstat (limited to 'src/vnet/session/node.c')
| -rw-r--r-- | src/vnet/session/node.c | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/src/vnet/session/node.c b/src/vnet/session/node.c index 8681105c284..b86e87d9bac 100644 --- a/src/vnet/session/node.c +++ b/src/vnet/session/node.c @@ -119,15 +119,20 @@ session_tx_fifo_read_and_snd_i (vlib_main_t * vm, vlib_node_runtime_t * node, /* Nothing to read return */ if (max_dequeue0 == 0) - { - return 0; - } + return 0; /* Ensure we're not writing more than transport window allows */ - max_len_to_snd0 = clib_min (max_dequeue0, snd_space0); - - /* TODO check if transport is willing to send len_to_snd0 - * bytes (Nagle) */ + if (max_dequeue0 < snd_space0) + { + /* Constrained by tx queue. Try to send only fully formed segments */ + max_len_to_snd0 = (max_dequeue0 > snd_mss0) ? + max_dequeue0 - max_dequeue0 % snd_mss0 : max_dequeue0; + /* TODO Nagle ? */ + } + else + { + max_len_to_snd0 = snd_space0; + } n_frame_bytes = snd_mss0 * VLIB_FRAME_SIZE; n_frames_per_evt = ceil ((double) max_len_to_snd0 / n_frame_bytes); @@ -308,11 +313,14 @@ session_queue_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node, int n_tx_packets = 0; u32 my_thread_index = vm->cpu_index; int i, rv; + f64 now = vlib_time_now (vm); + + SESSION_EVT_DBG (SESSION_EVT_POLL_GAP_TRACK, smm, my_thread_index); /* * Update TCP time */ - tcp_update_time (vlib_time_now (vm), my_thread_index); + tcp_update_time (now, my_thread_index); /* * Get vpp queue events |