commit d4c49be5e20406220cf89083c9df86c3c0761a81
author Florin Coras <fcoras@cisco.com> Thu Feb 07 00:15:53 2019 -0800
committer Florin Coras <fcoras@cisco.com> Thu Feb 07 00:16:30 2019 -0800
tree 3749f1949e0caa0b08f39f78603af75c208cdaf3
parent 5de3fec531691a81b3f77ed965488dc8dbf1e9a1

tcp: fix reset sending in syn-sent

Change-Id: I468b1015bca5f95b162fb49e904aa4e4d38db75e
Signed-off-by: Florin Coras <fcoras@cisco.com>

src/vnet/tcp/tcp.h

diff --git a/src/vnet/tcp/tcp.h b/src/vnet/tcp/tcp.h
index f5f8520..68750ce 100644
--- a/src/vnet/tcp/tcp.h
+++ b/src/vnet/tcp/tcp.h
@@ -615,7 +615,7 @@
 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_w_pkt (tcp_connection_t * tc, vlib_buffer_t * pkt,
-			   u8 is_ip4);
+			   u32 thread_index, u8 is_ip4);
 void tcp_send_reset (tcp_connection_t * tc);
 void tcp_send_syn (tcp_connection_t * tc);
 void tcp_send_synack (tcp_connection_t * tc);

src/vnet/tcp/tcp_input.c

diff --git a/src/vnet/tcp/tcp_input.c b/src/vnet/tcp/tcp_input.c
index 84a286b..7fd6925 100644
--- a/src/vnet/tcp/tcp_input.c
+++ b/src/vnet/tcp/tcp_input.c
@@ -2394,7 +2394,7 @@
 	  if (seq_leq (ack0, tc0->iss) || seq_gt (ack0, tc0->snd_nxt))
 	    {
 	      if (!tcp_rst (tcp0))
-		tcp_send_reset_w_pkt (tc0, b0, is_ip4);
+		tcp_send_reset_w_pkt (tc0, b0, my_thread_index, is_ip4);
 	      error0 = TCP_ERROR_RCV_WND;
 	      goto drop;
 	    }
@@ -2497,7 +2497,7 @@
 	  if (session_stream_connect_notify (&new_tc0->connection, 0))
 	    {
 	      clib_warning ("connect notify fail");
-	      tcp_send_reset_w_pkt (new_tc0, b0, is_ip4);
+	      tcp_send_reset_w_pkt (new_tc0, b0, my_thread_index, is_ip4);
 	      tcp_connection_cleanup (new_tc0);
 	      goto drop;
 	    }
@@ -2518,7 +2518,7 @@
 	  if (session_stream_connect_notify (&new_tc0->connection, 0))
 	    {
 	      tcp_connection_cleanup (new_tc0);
-	      tcp_send_reset_w_pkt (tc0, b0, is_ip4);
+	      tcp_send_reset_w_pkt (tc0, b0, my_thread_index, is_ip4);
 	      TCP_EVT_DBG (TCP_EVT_RST_SENT, tc0);
 	      goto drop;
 	    }

src/vnet/tcp/tcp_output.c

diff --git a/src/vnet/tcp/tcp_output.c b/src/vnet/tcp/tcp_output.c
index 96ffd2c..9f38851 100644
--- a/src/vnet/tcp/tcp_output.c
+++ b/src/vnet/tcp/tcp_output.c
@@ -777,9 +777,10 @@
  *  It extracts connection info out of original packet
  */
 void
-tcp_send_reset_w_pkt (tcp_connection_t * tc, vlib_buffer_t * pkt, u8 is_ip4)
+tcp_send_reset_w_pkt (tcp_connection_t * tc, vlib_buffer_t * pkt,
+		      u32 thread_index, u8 is_ip4)
 {
-  tcp_worker_ctx_t *wrk = tcp_get_worker (tc->c_thread_index);
+  tcp_worker_ctx_t *wrk = tcp_get_worker (thread_index);
   vlib_main_t *vm = wrk->vm;
   vlib_buffer_t *b;
   u32 bi, sw_if_index, fib_index;