lib: add netlink handler function

Signed-off-by: Felix Fietkau <nbd@nbd.name>

diff --git a/lib.c b/lib.c
index 0bb287ec4867cf12f8feba562f63b4df47161a1c..55a272ae0efbc3cbb98381cfc1bb207430ad61e1 100644 (file)
--- a/lib.c
+++ b/lib.c
@@ -150,6 +150,27 @@ void udebug_ubus_apply_config(struct udebug *ud, struct udebug_ubus_ring *rings,
        }
 }
 
+void udebug_netlink_msg(struct udebug_buf *buf, uint16_t proto, const void *data, size_t len)
+{
+       struct {
+               uint16_t pkttype;
+               uint16_t arphdr;
+               uint16_t _pad[5];
+               uint16_t proto;
+       } hdr = {
+               .arphdr = cpu_to_be16(824),
+               .proto = cpu_to_be16(proto),
+       };
+
+       if (!udebug_buf_valid(buf))
+               return;
+
+       udebug_entry_init(buf);
+       udebug_entry_append(buf, &hdr, sizeof(hdr));
+       udebug_entry_append(buf, data, len);
+       udebug_entry_add(buf);
+}
+
 void udebug_ubus_init(struct udebug_ubus *ctx, struct ubus_context *ubus,
                      const char *service, udebug_config_cb cb)
 {

diff --git a/udebug.h b/udebug.h
index ae48837d09d172c2183008d39e335d5c60a49671..88f663b22235c1e711f38dc5a5584f7dfaf49cf5 100644 (file)
--- a/udebug.h
+++ b/udebug.h
@@ -19,6 +19,8 @@ struct udebug_ubus {
        udebug_config_cb cb;
 };
 
+void udebug_netlink_msg(struct udebug_buf *buf, uint16_t proto, const void *data, size_t len);
+
 void udebug_ubus_init(struct udebug_ubus *ctx, struct ubus_context *ubus,
                      const char *service, udebug_config_cb cb);
 void udebug_ubus_ring_init(struct udebug *ud, struct udebug_ubus_ring *ring);