diff options
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) |