diff options
| author |   Sergey Ivanushkin <sergey.ivanushkin@enea.com> | 2019-10-17 10:16:27 +0100 |
|---|---|---|
| committer |   Florin Coras <florin.coras@gmail.com> | 2019-10-17 15:57:39 +0000 |
| commit | c30318da220953610820a2e7cd957da7046eaf4b (patch) | |
| tree | 68e3a9c3208e39af8cbfe6b643b79b4f579cbb46 /src/vnet/tcp/tcp_cubic.c | |
| parent | e0fd9ed11fd034d6b8c4195d2673271ba6825af2 (diff) | |
tcp: Init cwnd from ssthresh.
Set high ssthresh out of the box and make configurable
Type: fix
Signed-off-by: Sergey Ivanushkin <sergey.ivanushkin@enea.com>
Change-Id: Iba1549b4ee55e51468ad0b28ef3d26a85fa9cae0
Diffstat (limited to 'src/vnet/tcp/tcp_cubic.c')
| -rw-r--r-- | src/vnet/tcp/tcp_cubic.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/vnet/tcp/tcp_cubic.c b/src/vnet/tcp/tcp_cubic.c index 17f7932ea2e..b79ef8342d3 100644 --- a/src/vnet/tcp/tcp_cubic.c +++ b/src/vnet/tcp/tcp_cubic.c @@ -23,10 +23,12 @@ typedef struct cubic_cfg_ { u8 fast_convergence; + u32 ssthresh; } cubic_cfg_t; static cubic_cfg_t cubic_cfg = { .fast_convergence = 1, + .ssthresh = 0x7FFFFFFFU, }; typedef struct cubic_data_ @@ -200,7 +202,7 @@ static void cubic_conn_init (tcp_connection_t * tc) { cubic_data_t *cd = (cubic_data_t *) tcp_cc_data (tc); - tc->ssthresh = tc->snd_wnd; + tc->ssthresh = cubic_cfg.ssthresh; tc->cwnd = tcp_initial_cwnd (tc); cd->w_max = 0; cd->K = 0; @@ -210,6 +212,8 @@ cubic_conn_init (tcp_connection_t * tc) static uword cubic_unformat_config (unformat_input_t * input) { + u32 ssthresh = 0x7FFFFFFFU; + if (!input) return 0; @@ -219,6 +223,8 @@ cubic_unformat_config (unformat_input_t * input) { if (unformat (input, "no-fast-convergence")) cubic_cfg.fast_convergence = 0; + else if (unformat (input, "ssthresh %u", &ssthresh)) + cubic_cfg.ssthresh = ssthresh; else return 0; } |