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-rw-r--r--src/vnet/tcp/tcp.c39
-rw-r--r--src/vnet/tcp/tcp.h5
2 files changed, 38 insertions, 6 deletions
diff --git a/src/vnet/tcp/tcp.c b/src/vnet/tcp/tcp.c
index e5feaeb1e03..69433e26a8c 100644
--- a/src/vnet/tcp/tcp.c
+++ b/src/vnet/tcp/tcp.c
@@ -633,18 +633,15 @@ tcp_initialize_timer_wheels (tcp_main_t * tm)
}
clib_error_t *
-tcp_init (vlib_main_t * vm)
+tcp_main_enable (vlib_main_t * vm)
{
- ip_main_t *im = &ip_main;
- ip_protocol_info_t *pi;
tcp_main_t *tm = vnet_get_tcp_main ();
+ ip_protocol_info_t *pi;
+ ip_main_t *im = &ip_main;
vlib_thread_main_t *vtm = vlib_get_thread_main ();
clib_error_t *error = 0;
u32 num_threads;
- tm->vlib_main = vm;
- tm->vnet_main = vnet_get_main ();
-
if ((error = vlib_call_init_function (vm, ip_main_init)))
return error;
if ((error = vlib_call_init_function (vm, ip4_lookup_init)))
@@ -697,6 +694,36 @@ tcp_init (vlib_main_t * vm)
return error;
}
+clib_error_t *
+vnet_tcp_enable_disable (vlib_main_t * vm, u8 is_en)
+{
+ if (is_en)
+ {
+ if (tcp_main.is_enabled)
+ return 0;
+
+ return tcp_main_enable (vm);
+ }
+ else
+ {
+ tcp_main.is_enabled = 0;
+ }
+
+ return 0;
+}
+
+clib_error_t *
+tcp_init (vlib_main_t * vm)
+{
+ tcp_main_t *tm = vnet_get_tcp_main ();
+
+ tm->vlib_main = vm;
+ tm->vnet_main = vnet_get_main ();
+ tm->is_enabled = 0;
+
+ return 0;
+}
+
VLIB_INIT_FUNCTION (tcp_init);
/*
diff --git a/src/vnet/tcp/tcp.h b/src/vnet/tcp/tcp.h
index 3560509d090..7d443433fa2 100644
--- a/src/vnet/tcp/tcp.h
+++ b/src/vnet/tcp/tcp.h
@@ -304,6 +304,9 @@ typedef struct _tcp_main
/* Congestion control algorithms registered */
tcp_cc_algorithm_t *cc_algos;
+ /* Flag that indicates if stack is on or off */
+ u8 is_enabled;
+
/* convenience */
vlib_main_t *vlib_main;
vnet_main_t *vnet_main;
@@ -323,6 +326,8 @@ vnet_get_tcp_main ()
return &tcp_main;
}
+clib_error_t *vnet_tcp_enable_disable (vlib_main_t * vm, u8 is_en);
+
always_inline tcp_connection_t *
tcp_connection_get (u32 conn_index, u32 thread_index)
{