diff options
| author |   Vladimir Kropylev <vladimir.kropylev@enea.com> | 2019-06-25 00:06:52 +0300 |
|---|---|---|
| committer |   Florin Coras <florin.coras@gmail.com> | 2019-06-25 21:51:42 +0000 |
| commit | 398afbd889f7751088b9e4bfc487b221719b80a5 (patch) | |
| tree | 5e010739d0ad363b1a0e082a663e94aea949487d /src/vnet/tcp/tcp.h | |
| parent | 217c62a53e5621bb8790a242a57dc7e9f8eef3a8 (diff) | |
tcp: window update ack
Type: feature
Provide interface for sending Window Update ACK,
ensuring it will be sent only once, if RWND became non-zero,
after zero RWND has been advertised before.
Change-Id: I7f0d8af76d7763208625df68ab4ac3727fdaf449
Signed-off-by: Vladimir Kropylev <vladimir.kropylev@enea.com>
Diffstat (limited to 'src/vnet/tcp/tcp.h')
| -rw-r--r-- | src/vnet/tcp/tcp.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/vnet/tcp/tcp.h b/src/vnet/tcp/tcp.h index b0c3ecc8c15..e4980dd64eb 100644 --- a/src/vnet/tcp/tcp.h +++ b/src/vnet/tcp/tcp.h @@ -130,6 +130,7 @@ extern timer_expiration_handler tcp_timer_retransmit_syn_handler; _(FINRCVD, "FIN received") \ _(RATE_SAMPLE, "Conn does rate sampling") \ _(TRACK_BURST, "Track burst") \ + _(ZERO_RWND_SENT, "Zero RWND sent") \ typedef enum _tcp_connection_flag_bits { @@ -412,6 +413,10 @@ tcp_cong_recovery_off (tcp_connection_t * tc) tcp_fastrecovery_first_off (tc); } +#define tcp_zero_rwnd_sent(tc) (tc)->flags &= TCP_CONN_ZERO_RWND_SENT +#define tcp_zero_rwnd_sent_on(tc) (tc)->flags |= TCP_CONN_ZERO_RWND_SENT +#define tcp_zero_rwnd_sent_off(tc) (tc)->flags &= ~TCP_CONN_ZERO_RWND_SENT + typedef enum _tcp_error { #define tcp_error(n,s) TCP_ERROR_##n, @@ -682,6 +687,7 @@ void tcp_do_fastretransmits (tcp_worker_ctx_t * wrk); void tcp_program_ack (tcp_worker_ctx_t * wrk, tcp_connection_t * tc); void tcp_program_dupack (tcp_worker_ctx_t * wrk, tcp_connection_t * tc); void tcp_send_acks (tcp_worker_ctx_t * wrk); +void tcp_send_window_update_ack (tcp_connection_t * tc); /* * Rate estimation |