diff options
| author |   Vladimir Kropylev <vladimir.kropylev@enea.com> | 2019-06-26 12:56:21 +0300 |
|---|---|---|
| committer |   Florin Coras <florin.coras@gmail.com> | 2019-06-27 23:33:24 +0000 |
| commit | 4f731f829f29c5579257ecf1ef4b129a9d79fac8 (patch) | |
| tree | 6a0e95d9987241470779a68fb6140b8e70e3ec25 /src/vnet/tcp/tcp.h | |
| parent | b4ca8b11e4204bb95e47cd4b15f3b7430f160c00 (diff) | |
tcp: Setup initial CWND as configured
Type: feature
Change-Id: I7f476f4f81994c9c6cc2e8091de08adff4bcbc77
Signed-off-by: Vladimir Kropylev <vladimir.kropylev@enea.com>
Diffstat (limited to 'src/vnet/tcp/tcp.h')
| -rw-r--r-- | src/vnet/tcp/tcp.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/vnet/tcp/tcp.h b/src/vnet/tcp/tcp.h index e4980dd64eb..8b943cdd5b5 100644 --- a/src/vnet/tcp/tcp.h +++ b/src/vnet/tcp/tcp.h @@ -532,6 +532,10 @@ typedef struct _tcp_main /** Default MTU to be used when establishing connections */ u16 default_mtu; + /** Initial CWND multiplier, which multiplies MSS to determine initial CWND. + * Set 0 to determine the initial CWND by another way */ + u16 initial_cwnd_multiplier; + /** Number of preallocated connections */ u32 preallocated_connections; u32 preallocated_half_open_connections; @@ -809,6 +813,9 @@ tcp_flight_size (const tcp_connection_t * tc) always_inline u32 tcp_initial_cwnd (const tcp_connection_t * tc) { + if (tcp_main.initial_cwnd_multiplier > 0) + return tcp_main.initial_cwnd_multiplier * tc->snd_mss; + if (tc->snd_mss > 2190) return 2 * tc->snd_mss; else if (tc->snd_mss > 1095) |