diff options
| author |   Florin Coras <fcoras@cisco.com> | 2017-03-30 02:54:28 -0700 |
|---|---|---|
| committer |   Dave Barach <openvpp@barachs.net> | 2017-04-02 14:02:30 +0000 |
| commit | 3e350af5d3e9744a4529a28dd293b2d4601442f7 (patch) | |
| tree | e4b489ddd509fc96382d49592cfc5bafc412a216 /src/vnet/tcp/tcp.h | |
| parent | 799e26d5bdf6b74ab615644e0cd291de6e352989 (diff) | |
TCP cc/window management fixes and debugging
- added persist timer
- update rcv_las whenever sending an ack
- moved fifo size to its own cache line
- improved session and builtin client debugging
Change-Id: Ia649cf942cf0c061a713e8b67f0eb6974a6cd55b
Signed-off-by: Florin Coras <fcoras@cisco.com>
Signed-off-by: Dave Barach <dave@barachs.net>
Diffstat (limited to 'src/vnet/tcp/tcp.h')
| -rw-r--r-- | src/vnet/tcp/tcp.h | 36 |
1 files changed, 35 insertions, 1 deletions
diff --git a/src/vnet/tcp/tcp.h b/src/vnet/tcp/tcp.h index b4286bc4f5a..2f5da108813 100644 --- a/src/vnet/tcp/tcp.h +++ b/src/vnet/tcp/tcp.h @@ -81,6 +81,7 @@ typedef void (timer_expiration_handler) (u32 index); 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) @@ -253,13 +254,25 @@ struct _tcp_cc_algorithm #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, @@ -538,6 +551,27 @@ tcp_retransmit_timer_reset (tcp_connection_t * tc) 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) { |