extern timer_expiration_handler tcp_timer_delack_handler;
extern timer_expiration_handler tcp_timer_retransmit_handler;
+extern timer_expiration_handler tcp_timer_persist_handler;
extern timer_expiration_handler tcp_timer_retransmit_syn_handler;
#define TCP_TIMER_HANDLE_INVALID ((u32) ~0)
#define tcp_fastrecovery_on(tc) (tc)->flags |= TCP_CONN_FAST_RECOVERY
#define tcp_fastrecovery_off(tc) (tc)->flags &= ~TCP_CONN_FAST_RECOVERY
+#define tcp_recovery_on(tc) (tc)->flags |= TCP_CONN_RECOVERY
+#define tcp_recovery_off(tc) (tc)->flags &= ~TCP_CONN_RECOVERY
#define tcp_in_fastrecovery(tc) ((tc)->flags & TCP_CONN_FAST_RECOVERY)
-#define tcp_in_recovery(tc) ((tc)->flags & (TCP_CONN_FAST_RECOVERY | TCP_CONN_RECOVERY))
+#define tcp_in_recovery(tc) ((tc)->flags & (TCP_CONN_RECOVERY))
#define tcp_in_slowstart(tc) (tc->cwnd < tc->ssthresh)
#define tcp_fastrecovery_sent_1_smss(tc) ((tc)->flags & TCP_CONN_FR_1_SMSS)
#define tcp_fastrecovery_1_smss_on(tc) ((tc)->flags |= TCP_CONN_FR_1_SMSS)
#define tcp_fastrecovery_1_smss_off(tc) ((tc)->flags &= ~TCP_CONN_FR_1_SMSS)
+#define tcp_in_cong_recovery(tc) ((tc)->flags & \
+ (TCP_CONN_FAST_RECOVERY | TCP_CONN_RECOVERY))
+
+always_inline void
+tcp_cong_recovery_off (tcp_connection_t * tc)
+{
+ tc->flags &= ~(TCP_CONN_FAST_RECOVERY | TCP_CONN_RECOVERY);
+ tcp_fastrecovery_1_smss_off (tc);
+}
+
typedef enum
{
TCP_IP4,
tcp_timer_reset (tc, TCP_TIMER_RETRANSMIT);
}
+always_inline void
+tcp_persist_timer_set (tcp_connection_t * tc)
+{
+ /* Reuse RTO. It's backed off in handler */
+ tcp_timer_set (tc, TCP_TIMER_PERSIST,
+ clib_max (tc->rto * TCP_TO_TIMER_TICK, 1));
+}
+
+always_inline void
+tcp_persist_timer_update (tcp_connection_t * tc)
+{
+ tcp_timer_update (tc, TCP_TIMER_PERSIST,
+ clib_max (tc->rto * TCP_TO_TIMER_TICK, 1));
+}
+
+always_inline void
+tcp_persist_timer_reset (tcp_connection_t * tc)
+{
+ tcp_timer_reset (tc, TCP_TIMER_PERSIST);
+}
+
always_inline u8
tcp_timer_is_active (tcp_connection_t * tc, tcp_timers_e timer)
{