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-rw-r--r--src/vnet/mpls/interface.c25
-rw-r--r--src/vnet/mpls/mpls.h17
2 files changed, 37 insertions, 5 deletions
diff --git a/src/vnet/mpls/interface.c b/src/vnet/mpls/interface.c
index 5e80b9d0532..fd654dca891 100644
--- a/src/vnet/mpls/interface.c
+++ b/src/vnet/mpls/interface.c
@@ -22,6 +22,14 @@
#include <vnet/adj/adj_midchain.h>
#include <vnet/dpo/classify_dpo.h>
+typedef struct
+{
+ mpls_interface_state_change_function_t *function;
+ uword function_opaque;
+} mpls_interface_state_change_callback_t;
+
+/** Functions to call when interface becomes MPLS enabled/disabled. */
+static mpls_interface_state_change_callback_t *state_change_callbacks;
u8
mpls_sw_interface_is_enabled (u32 sw_if_index)
@@ -34,6 +42,17 @@ mpls_sw_interface_is_enabled (u32 sw_if_index)
return (mm->mpls_enabled_by_sw_if_index[sw_if_index]);
}
+void
+mpls_interface_state_change_add_callback (
+ mpls_interface_state_change_function_t *function, uword opaque)
+{
+ mpls_interface_state_change_callback_t cb = {
+ .function = function,
+ .function_opaque = opaque,
+ };
+ vec_add1 (state_change_callbacks, cb);
+}
+
int
mpls_sw_interface_enable_disable (mpls_main_t *mm, u32 sw_if_index,
u8 is_enable)
@@ -81,6 +100,12 @@ mpls_sw_interface_enable_disable (mpls_main_t *mm, u32 sw_if_index,
else if (hi->l3_if_count)
hi->l3_if_count--;
+ {
+ mpls_interface_state_change_callback_t *cb;
+ vec_foreach (cb, state_change_callbacks)
+ cb->function (mm, cb->function_opaque, sw_if_index, is_enable);
+ }
+
return (0);
}
diff --git a/src/vnet/mpls/mpls.h b/src/vnet/mpls/mpls.h
index 885901f89a4..6baaaad95ba 100644
--- a/src/vnet/mpls/mpls.h
+++ b/src/vnet/mpls/mpls.h
@@ -23,14 +23,18 @@
#include <vnet/fib/fib_node.h>
#include <vnet/adj/adj.h>
+struct mpls_main_t;
+
/**
* @brief Definition of a callback for receiving MPLS interface state change
* notifications
*/
-typedef void (*mpls_interface_state_change_callback_t) (u32 sw_if_index,
- u32 is_enable);
+typedef void (mpls_interface_state_change_function_t) (struct mpls_main_t *mm,
+ uword opaque,
+ u32 sw_if_index,
+ u32 is_enable);
-typedef struct
+typedef struct mpls_main_t
{
/* MPLS FIB index for each software interface */
u32 *fib_index_by_sw_if_index;
@@ -77,11 +81,14 @@ unformat_function_t unformat_mpls_unicast_label;
unformat_function_t unformat_mpls_header;
unformat_function_t unformat_pg_mpls_header;
+u8 mpls_sw_interface_is_enabled (u32 sw_if_index);
+
+void mpls_interface_state_change_add_callback (
+ mpls_interface_state_change_function_t *function, uword opaque);
+
int mpls_sw_interface_enable_disable (mpls_main_t *mm, u32 sw_if_index,
u8 is_enable);
-u8 mpls_sw_interface_is_enabled (u32 sw_if_index);
-
int mpls_dest_cmp (void *a1, void *a2);
int mpls_fib_index_cmp (void *a1, void *a2);