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authorFlorin Coras <fcoras@cisco.com>2018-09-25 14:00:34 -0700
committerDamjan Marion <dmarion@me.com>2018-11-09 11:24:22 +0000
commit2e31cc35ca5db7f16c8052578d79f1ec84c0acb5 (patch)
tree673f9bc946628d9d554c126f92d75eab4d67d0cb /src/vnet/tcp/tcp_input.c
parent97670eb3c643eefbecfbe2d61a8f06cde9516778 (diff)
tcp: basic cubic implementation
Because the code is not optimized, newreno is still the default congestion control algorithm. Change-Id: I7061cc80c5a75fa8e8265901fae4ea2888e35173 Signed-off-by: Florin Coras <fcoras@cisco.com>
Diffstat (limited to 'src/vnet/tcp/tcp_input.c')
-rw-r--r--src/vnet/tcp/tcp_input.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/src/vnet/tcp/tcp_input.c b/src/vnet/tcp/tcp_input.c
index 0f1ab1ab3b0..2578b7d1051 100644
--- a/src/vnet/tcp/tcp_input.c
+++ b/src/vnet/tcp/tcp_input.c
@@ -1441,7 +1441,7 @@ partial_ack:
*/
/* XXX limit this only to first partial ack? */
- tcp_retransmit_timer_force_update (tc);
+ tcp_retransmit_timer_update (tc);
/* RFC6675: If the incoming ACK is a cumulative acknowledgment,
* reset dupacks to 0. Also needed if in congestion recovery */
@@ -2459,6 +2459,8 @@ tcp46_syn_sent_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
goto drop;
}
+ new_tc0->tx_fifo_size =
+ transport_tx_fifo_size (&new_tc0->connection);
/* Update rtt with the syn-ack sample */
tcp_estimate_initial_rtt (new_tc0);
TCP_EVT_DBG (TCP_EVT_SYNACK_RCVD, new_tc0);
@@ -2478,8 +2480,10 @@ tcp46_syn_sent_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
goto drop;
}
- tc0->rtt_ts = 0;
- tcp_init_snd_vars (tc0);
+ new_tc0->tx_fifo_size =
+ transport_tx_fifo_size (&new_tc0->connection);
+ new_tc0->rtt_ts = 0;
+ tcp_init_snd_vars (new_tc0);
tcp_send_synack (new_tc0);
error0 = TCP_ERROR_SYNS_RCVD;
goto drop;
@@ -3090,6 +3094,7 @@ tcp46_listen_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
goto drop;
}
+ child0->tx_fifo_size = transport_tx_fifo_size (&child0->connection);
tcp_send_synack (child0);
tcp_timer_set (child0, TCP_TIMER_ESTABLISH, TCP_SYN_RCVD_TIME);