tcp: send rwnd update only if wnd is large enough

[vpp.git] / src / vnet / tcp / tcp.c

diff --git a/src/vnet/tcp/tcp.c b/src/vnet/tcp/tcp.c
index bd3a4c1..d060654 100644 (file)
--- a/src/vnet/tcp/tcp.c
+++ b/src/vnet/tcp/tcp.c
@@ -1587,6 +1587,7 @@ tcp_configuration_init (void)
   tcp_cfg.initial_cwnd_multiplier = 0;
   tcp_cfg.enable_tx_pacing = 1;
   tcp_cfg.cc_algo = TCP_CC_NEWRENO;
+  tcp_cfg.rwnd_min_update_ack = 1;
 
   /* Time constants defined as timer tick (100ms) multiples */
   tcp_cfg.delack_time = 1;     /* 0.1s */
@@ -1698,6 +1699,9 @@ tcp_config_fn (vlib_main_t * vm, unformat_input_t * input)
        tcp_cfg.min_rx_fifo = memory_size;
       else if (unformat (input, "mtu %u", &tcp_cfg.default_mtu))
        ;
+      else if (unformat (input, "rwnd-min-update-ack %d",
+                        &tcp_cfg.rwnd_min_update_ack))
+       ;
       else if (unformat (input, "initial-cwnd-multiplier %u",
                         &tcp_cfg.initial_cwnd_multiplier))
        ;