typedef struct transform_inst_if *transform_createinstance_fn(void *st);
typedef bool_t transform_setkey_fn(void *st, uint8_t *key, int32_t keylen);
+typedef bool_t transform_valid_fn(void *st); /* 0: no key; 1: ok */
typedef void transform_delkey_fn(void *st);
typedef void transform_destroyinstance_fn(void *st);
-/* Returns 0 for 'all is well', any other value for a problem */
+/* Returns:
+ * 0: all is well
+ * 1: for any other problem
+ * 2: message decrypted but sequence number was out of range
+ */
typedef uint32_t transform_apply_fn(void *st, struct buffer_if *buf,
const char **errmsg);
struct transform_inst_if {
void *st;
transform_setkey_fn *setkey;
+ transform_valid_fn *valid;
transform_delkey_fn *delkey;
transform_apply_fn *forwards;
transform_apply_fn *reverse;
typedef void netlink_deliver_fn(void *st, struct buffer_if *buf);
/* site code can tell netlink when outgoing packets will be dropped,
so netlink can generate appropriate ICMP and make routing decisions */
-#define LINK_QUALITY_DOWN 0 /* No chance of a packet being delivered */
-#define LINK_QUALITY_DOWN_STALE_ADDRESS 1 /* Link down, old address information */
-#define LINK_QUALITY_DOWN_CURRENT_ADDRESS 2 /* Link down, current address information */
-#define LINK_QUALITY_UP 3 /* Link active */
+#define LINK_QUALITY_UNUSED 0 /* This link is unused, do not make this netlink */
+#define LINK_QUALITY_DOWN 1 /* No chance of a packet being delivered right away*/
+#define LINK_QUALITY_DOWN_STALE_ADDRESS 2 /* Link down, old address information */
+#define LINK_QUALITY_DOWN_CURRENT_ADDRESS 3 /* Link down, current address information */
+#define LINK_QUALITY_UP 4 /* Link active */
#define MAXIMUM_LINK_QUALITY 3
typedef void netlink_link_quality_fn(void *st, uint32_t quality);
typedef void netlink_register_fn(void *st, netlink_deliver_fn *deliver,
netlink_register_fn *reg;
netlink_deliver_fn *deliver;
netlink_link_quality_fn *set_quality;
- netlink_output_config_fn *output_config;
- netlink_check_config_fn *check_config;
netlink_set_mtu_fn *set_mtu;
};