diff options
| -rw-r--r-- | src/vnet/tcp/tcp.c | 10 | ||||
| -rw-r--r-- | src/vnet/tcp/tcp.h | 13 |
2 files changed, 15 insertions, 8 deletions
diff --git a/src/vnet/tcp/tcp.c b/src/vnet/tcp/tcp.c index 327703327aa..4628e4ba38d 100644 --- a/src/vnet/tcp/tcp.c +++ b/src/vnet/tcp/tcp.c @@ -1263,17 +1263,11 @@ const static transport_proto_vft_t tcp_proto = { void tcp_connection_tx_pacer_update (tcp_connection_t * tc) { - f64 srtt; - u64 rate; - if (!transport_connection_is_tx_paced (&tc->connection)) return; - srtt = clib_min ((f64) tc->srtt * TCP_TICK, tc->mrtt_us); - /* TODO should constrain to interface's max throughput but - * we don't have link speeds for sw ifs ..*/ - rate = tc->cwnd / srtt; - transport_connection_tx_pacer_update (&tc->connection, rate); + transport_connection_tx_pacer_update (&tc->connection, + tcp_cc_get_pacing_rate (tc)); } void diff --git a/src/vnet/tcp/tcp.h b/src/vnet/tcp/tcp.h index 753a1ca6996..81ce1d52bde 100644 --- a/src/vnet/tcp/tcp.h +++ b/src/vnet/tcp/tcp.h @@ -417,6 +417,7 @@ struct _tcp_cc_algorithm void (*recovered) (tcp_connection_t * tc); void (*undo_recovery) (tcp_connection_t * tc); void (*event) (tcp_connection_t *tc, tcp_cc_event_t evt); + u64 (*get_pacing_rate) (tcp_connection_t *tc); }; /* *INDENT-ON* */ @@ -1053,6 +1054,18 @@ tcp_cc_event (tcp_connection_t * tc, tcp_cc_event_t evt) tc->cc_algo->event (tc, evt); } +static inline u64 +tcp_cc_get_pacing_rate (tcp_connection_t * tc) +{ + if (tc->cc_algo->get_pacing_rate) + return tc->cc_algo->get_pacing_rate (tc); + + f64 srtt = clib_min ((f64) tc->srtt * TCP_TICK, tc->mrtt_us); + /* TODO should constrain to interface's max throughput but + * we don't have link speeds for sw ifs ..*/ + return (tc->cwnd / srtt); +} + always_inline void tcp_timer_set (tcp_connection_t * tc, u8 timer_id, u32 interval) { |