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authorNeale Ranns <nranns@cisco.com>2020-02-20 09:45:16 +0000
committerNeale Ranns <nranns@cisco.com>2020-02-25 10:48:52 +0000
commit8d6d74cdf43d7560eab3cf609cab27e5deb816e0 (patch)
treefe3d7328edbb9b8e6d7d8e3b0cea7fd7307d78e5 /src/vlib/punt.h
parent719ef39d988182d1297dc9c3f06b7bbda3043d47 (diff)
vlib: Punt reason allocation listener enable/disable callback
Type: improvement allow clients that allocate punt reasons to pass a callback function that is invoked when the first/last client registers to use/listen on that punt reason. This allows the client to perform some necessary configs that might not otherwise be enabled. IPSec uses this callback to register the ESP proto and UDP handling nodes, that would not otherwise be enabled unless a tunnel was present. Change-Id: I9759349903f21ffeeb253d4271e619e6bf46054b Signed-off-by: Neale Ranns <nranns@cisco.com>
Diffstat (limited to 'src/vlib/punt.h')
-rw-r--r--src/vlib/punt.h9
1 files changed, 8 insertions, 1 deletions
diff --git a/src/vlib/punt.h b/src/vlib/punt.h
index 7a3e5da2da6..d93b5eac599 100644
--- a/src/vlib/punt.h
+++ b/src/vlib/punt.h
@@ -56,12 +56,19 @@ typedef int vlib_punt_hdl_t;
*/
vlib_punt_hdl_t vlib_punt_client_register (const char *who);
+typedef void (*punt_interested_listener_t) (vlib_enable_or_disable_t i,
+ void *data);
+
/**
* Allocate a new punt reason
+ * @param fn - A callback to invoke when an entity becomes [un]interested
+ * in the punt code.
+ * @param data - To be passed in the callback function.
*/
extern int vlib_punt_reason_alloc (vlib_punt_hdl_t client,
const char *reason_name,
- vlib_punt_reason_t * reason);
+ punt_interested_listener_t fn,
+ void *data, vlib_punt_reason_t * reason);
/**
* Validate that a punt reason is assigned