diff options
Diffstat (limited to 'src/vnet/tcp/tcp.h')
| -rw-r--r-- | src/vnet/tcp/tcp.h | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/src/vnet/tcp/tcp.h b/src/vnet/tcp/tcp.h index 165659b6d9f..a036072e546 100644 --- a/src/vnet/tcp/tcp.h +++ b/src/vnet/tcp/tcp.h @@ -120,6 +120,8 @@ extern timer_expiration_handler tcp_timer_retransmit_syn_handler; _(FR_1_SMSS, "Sent 1 SMSS") \ _(HALF_OPEN_DONE, "Half-open completed") \ _(FINPNDG, "FIN pending") \ + _(FRXT_PENDING, "Fast-retransmit pending") \ + _(FRXT_FIRST, "Fast-retransmit first again") \ typedef enum _tcp_connection_flag_bits { @@ -345,6 +347,9 @@ struct _tcp_cc_algorithm #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_fastrecovery_first(tc) ((tc)->flags & TCP_CONN_FRXT_FIRST) +#define tcp_fastrecovery_first_on(tc) ((tc)->flags |= TCP_CONN_FRXT_FIRST) +#define tcp_fastrecovery_first_off(tc) ((tc)->flags &= ~TCP_CONN_FRXT_FIRST) #define tcp_in_cong_recovery(tc) ((tc)->flags & \ (TCP_CONN_FAST_RECOVERY | TCP_CONN_RECOVERY)) @@ -354,6 +359,7 @@ tcp_cong_recovery_off (tcp_connection_t * tc) { tc->flags &= ~(TCP_CONN_FAST_RECOVERY | TCP_CONN_RECOVERY); tcp_fastrecovery_1_smss_off (tc); + tcp_fastrecovery_first_off (tc); } typedef enum _tcp_error @@ -379,9 +385,15 @@ typedef struct tcp_worker_ctx_ output nodes */ vlib_frame_t *ip_lookup_tx_frames[2]; /**< tx frames for ip 4/6 lookup nodes */ + u32 *pending_fast_rxt; /**< vector of connections + needing fast rxt */ + u32 *ongoing_fast_rxt; /**< vector of connections + now doing fast rxt */ + CLIB_CACHE_LINE_ALIGN_MARK (cacheline1); u8 cached_opts[40]; /**< cached 'on the wire' options for bursts */ + } tcp_worker_ctx_t; typedef struct _tcp_main @@ -542,6 +554,8 @@ void tcp_update_burst_snd_vars (tcp_connection_t * tc); void tcp_update_rto (tcp_connection_t * tc); void tcp_flush_frame_to_output (vlib_main_t * vm, u8 thread_index, u8 is_ip4); void tcp_flush_frames_to_output (u8 thread_index); +void tcp_program_fastretransmit (tcp_connection_t * tc); +void tcp_do_fastretransmits (u32 thread_index); always_inline u32 tcp_end_seq (tcp_header_t * th, u32 len) @@ -659,10 +673,10 @@ tcp_is_lost_fin (tcp_connection_t * tc) } u32 tcp_snd_space (tcp_connection_t * tc); -void tcp_retransmit_first_unacked (tcp_connection_t * tc); -void tcp_fast_retransmit_no_sack (tcp_connection_t * tc); -void tcp_fast_retransmit_sack (tcp_connection_t * tc); -void tcp_fast_retransmit (tcp_connection_t * tc); +int tcp_retransmit_first_unacked (tcp_connection_t * tc); +int tcp_fast_retransmit_no_sack (tcp_connection_t * tc, u32 burst_size); +int tcp_fast_retransmit_sack (tcp_connection_t * tc, u32 burst_size); +int tcp_fast_retransmit (tcp_connection_t * tc, u32 burst_size); void tcp_cc_init_congestion (tcp_connection_t * tc); void tcp_cc_fastrecovery_exit (tcp_connection_t * tc); |