diff options
Diffstat (limited to 'src/vnet/tcp/tcp.h')
| -rw-r--r-- | src/vnet/tcp/tcp.h | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/src/vnet/tcp/tcp.h b/src/vnet/tcp/tcp.h index 097cc8cf950..9e4660b86e6 100644 --- a/src/vnet/tcp/tcp.h +++ b/src/vnet/tcp/tcp.h @@ -498,7 +498,9 @@ tcp_half_open_connection_get (u32 conn_index) void tcp_make_ack (tcp_connection_t * ts, vlib_buffer_t * b); void tcp_make_fin (tcp_connection_t * tc, vlib_buffer_t * b); void tcp_make_synack (tcp_connection_t * ts, vlib_buffer_t * b); -void tcp_send_reset (tcp_connection_t * tc, vlib_buffer_t * pkt, u8 is_ip4); +void tcp_send_reset_w_pkt (tcp_connection_t * tc, vlib_buffer_t * pkt, + u8 is_ip4); +void tcp_send_reset (tcp_connection_t * tc); void tcp_send_syn (tcp_connection_t * tc); void tcp_send_fin (tcp_connection_t * tc); void tcp_init_mss (tcp_connection_t * tc); @@ -582,15 +584,30 @@ tcp_loss_wnd (const tcp_connection_t * tc) } always_inline u32 -tcp_available_wnd (const tcp_connection_t * tc) +tcp_available_snd_wnd (const tcp_connection_t * tc) { return clib_min (tc->cwnd, tc->snd_wnd); } always_inline u32 +tcp_available_output_snd_space (const tcp_connection_t * tc) +{ + u32 available_wnd = tcp_available_snd_wnd (tc); + int flight_size = (int) (tc->snd_nxt - tc->snd_una); + + if (available_wnd <= flight_size) + return 0; + + return available_wnd - flight_size; +} + +/** + * Estimate of how many bytes we can still push into the network + */ +always_inline u32 tcp_available_snd_space (const tcp_connection_t * tc) { - u32 available_wnd = tcp_available_wnd (tc); + u32 available_wnd = tcp_available_snd_wnd (tc); u32 flight_size = tcp_flight_size (tc); if (available_wnd <= flight_size) |