X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Ftcp%2Ftcp.h;h=e4980dd64eb29295c0276994cf940bed59701f29;hb=398afbd889f7751088b9e4bfc487b221719b80a5;hp=b0c3ecc8c1524a43596b5a6c75f758a18297d0c8;hpb=217c62a53e5621bb8790a242a57dc7e9f8eef3a8;p=vpp.git

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