tcp: improve tcp listener CLI

Type: improvement

Change-Id: I11dc43bdf65cecfa5c48ac734a4727b377023c80
Signed-off-by: Aritra Basu <aritrbas@cisco.com>

3 files changed, 18 insertions, 0 deletions

diff --git a/src/vnet/tcp/tcp.c b/src/vnet/tcp/tcp.c
index 1d164f236a1..1afc07918b7 100644
--- a/src/vnet/tcp/tcp.c
+++ b/src/vnet/tcp/tcp.c
@@ -879,6 +879,8 @@ format_tcp_listener_session (u8 * s, va_list * args)
   if (verbose)
     s = format (s, "%-" SESSION_CLI_STATE_LEN "U", format_tcp_state,
 		tc->state);
+  if (verbose == 2)
+    s = format (s, "\n%U", format_tcp_listener_connection, tc);
   return s;
 }
 
diff --git a/src/vnet/tcp/tcp.h b/src/vnet/tcp/tcp.h
index 3d678006f70..d032a3dc749 100644
--- a/src/vnet/tcp/tcp.h
+++ b/src/vnet/tcp/tcp.h
@@ -357,6 +357,7 @@ format_function_t format_tcp_flags;
 format_function_t format_tcp_sacks;
 format_function_t format_tcp_rcv_sacks;
 format_function_t format_tcp_connection;
+format_function_t format_tcp_listener_connection;
 format_function_t format_tcp_connection_id;
 
 #define tcp_validate_txf_size(_tc, _a) 					\
diff --git a/src/vnet/tcp/tcp_cli.c b/src/vnet/tcp/tcp_cli.c
index e26488342d2..16b88586535 100644
--- a/src/vnet/tcp/tcp_cli.c
+++ b/src/vnet/tcp/tcp_cli.c
@@ -250,6 +250,21 @@ format_tcp_connection_id (u8 * s, va_list * args)
 }
 
 u8 *
+format_tcp_listener_connection (u8 *s, va_list *args)
+{
+  tcp_connection_t *tc = va_arg (*args, tcp_connection_t *);
+
+  s = format (s, " index: %u cfg_flags: %U cong_algo: %s snd_mss: %u\n",
+	      tc->c_c_index, format_tcp_cfg_flags, tc, tc->cc_algo->name,
+	      tc->snd_mss);
+  s = format (s, " next_node %u opaque 0x%x fib_index %u sw_if_index %d",
+	      tc->next_node_index, tc->next_node_opaque, tc->c_fib_index,
+	      tc->sw_if_index);
+
+  return s;
+}
+
+u8 *
 format_tcp_connection (u8 * s, va_list * args)
 {
   tcp_connection_t *tc = va_arg (*args, tcp_connection_t *);