diff options
Diffstat (limited to 'src/vnet/tcp/tcp.h')
| -rw-r--r-- | src/vnet/tcp/tcp.h | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/src/vnet/tcp/tcp.h b/src/vnet/tcp/tcp.h index 997df76f545..a17262fa7b4 100644 --- a/src/vnet/tcp/tcp.h +++ b/src/vnet/tcp/tcp.h @@ -116,7 +116,8 @@ extern timer_expiration_handler tcp_timer_retransmit_syn_handler; _(RECOVERY, "Recovery on") \ _(FAST_RECOVERY, "Fast Recovery on") \ _(FR_1_SMSS, "Sent 1 SMSS") \ - _(HALF_OPEN_DONE, "Half-open completed") + _(HALF_OPEN_DONE, "Half-open completed") \ + _(FINPNDG, "FIN pending") typedef enum _tcp_connection_flag_bits { @@ -404,6 +405,9 @@ typedef struct _tcp_main /** Port allocator random number generator seed */ u32 port_allocator_seed; + + /** vlib buffer size */ + u32 bytes_per_buffer; } tcp_main_t; extern tcp_main_t tcp_main; @@ -587,6 +591,14 @@ tcp_available_snd_space (const tcp_connection_t * tc) return available_wnd - flight_size; } +always_inline u8 +tcp_is_lost_fin (tcp_connection_t * tc) +{ + if ((tc->flags & TCP_CONN_FINSNT) && tc->snd_una_max - tc->snd_una == 1) + return 1; + return 0; +} + i32 tcp_rcv_wnd_available (tcp_connection_t * tc); u32 tcp_snd_space (tcp_connection_t * tc); void tcp_update_rcv_wnd (tcp_connection_t * tc); @@ -621,8 +633,8 @@ tcp_update_time (f64 now, u32 thread_index) u32 tcp_push_header (transport_connection_t * tconn, vlib_buffer_t * b); u32 -tcp_prepare_retransmit_segment (tcp_connection_t * tc, vlib_buffer_t * b, - u32 offset, u32 max_bytes); +tcp_prepare_retransmit_segment (tcp_connection_t * tc, u32 offset, + u32 max_bytes, vlib_buffer_t ** b); void tcp_connection_timers_init (tcp_connection_t * tc); void tcp_connection_timers_reset (tcp_connection_t * tc); |