From c31dc31f84961033ecb6354811e0c360b6cf5f79 Mon Sep 17 00:00:00 2001 From: Florin Coras Date: Sun, 6 Oct 2019 14:06:14 -0700 Subject: tcp: improve pacing after idle send periods Rest pacer on ack reception if we haven't recently sent anything. Type: feature Change-Id: I820bacd81b65130052dfafbfcbe6ca4553069fbc Signed-off-by: Florin Coras --- src/vnet/session/session_node.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (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 9e53718b8dd..f51b892736a 100644 --- a/src/vnet/session/session_node.c +++ b/src/vnet/session/session_node.c @@ -845,6 +845,7 @@ session_tx_fifo_read_and_snd_i (session_worker_t * wrk, { if (ctx->transport_vft->flush_data) ctx->transport_vft->flush_data (ctx->tc); + e->event_type = SESSION_IO_EVT_TX; } if (ctx->s->flags & SESSION_F_CUSTOM_TX) @@ -883,7 +884,12 @@ session_tx_fifo_read_and_snd_i (session_worker_t * wrk, session_tx_set_dequeue_params (vm, ctx, max_burst, peek_data); if (PREDICT_FALSE (!ctx->max_len_to_snd)) - return SESSION_TX_NO_DATA; + { + transport_connection_tx_pacer_reset_bucket (ctx->tc, + vm->clib_time. + last_cpu_time); + return SESSION_TX_NO_DATA; + } n_bufs_needed = ctx->n_segs_per_evt * ctx->n_bufs_per_seg; vec_validate_aligned (wrk->tx_buffers, n_bufs_needed - 1, -- cgit 1.2.3-korg