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-rw-r--r--src/vnet/tcp/tcp.h13
1 files changed, 13 insertions, 0 deletions
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)
{