summaryrefslogtreecommitdiffstats
path: root/net/batman-adv/packet.h
diff options
context:
space:
mode:
Diffstat (limited to 'net/batman-adv/packet.h')
-rw-r--r--net/batman-adv/packet.h53
1 files changed, 49 insertions, 4 deletions
diff --git a/net/batman-adv/packet.h b/net/batman-adv/packet.h
index 0a381d1174c1..34e096d2dce1 100644
--- a/net/batman-adv/packet.h
+++ b/net/batman-adv/packet.h
@@ -89,6 +89,19 @@ enum batadv_icmp_packettype {
BATADV_PARAMETER_PROBLEM = 12,
};
+/**
+ * enum batadv_mcast_flags - flags for multicast capabilities and settings
+ * @BATADV_MCAST_WANT_ALL_UNSNOOPABLES: we want all packets destined for
+ * 224.0.0.0/24 or ff02::1
+ * @BATADV_MCAST_WANT_ALL_IPV4: we want all IPv4 multicast packets
+ * @BATADV_MCAST_WANT_ALL_IPV6: we want all IPv6 multicast packets
+ */
+enum batadv_mcast_flags {
+ BATADV_MCAST_WANT_ALL_UNSNOOPABLES = BIT(0),
+ BATADV_MCAST_WANT_ALL_IPV4 = BIT(1),
+ BATADV_MCAST_WANT_ALL_IPV6 = BIT(2),
+};
+
/* tt data subtypes */
#define BATADV_TT_DATA_TYPE_MASK 0x0F
@@ -106,10 +119,30 @@ enum batadv_tt_data_flags {
BATADV_TT_FULL_TABLE = BIT(4),
};
-/* BATADV_TT_CLIENT flags.
- * Flags from BIT(0) to BIT(7) are sent on the wire, while flags from BIT(8) to
- * BIT(15) are used for local computation only.
- * Flags from BIT(4) to BIT(7) are kept in sync with the rest of the network.
+/**
+ * enum batadv_tt_client_flags - TT client specific flags
+ * @BATADV_TT_CLIENT_DEL: the client has to be deleted from the table
+ * @BATADV_TT_CLIENT_ROAM: the client roamed to/from another node and the new
+ * update telling its new real location has not been received/sent yet
+ * @BATADV_TT_CLIENT_WIFI: this client is connected through a wifi interface.
+ * This information is used by the "AP Isolation" feature
+ * @BATADV_TT_CLIENT_ISOLA: this client is considered "isolated". This
+ * information is used by the Extended Isolation feature
+ * @BATADV_TT_CLIENT_NOPURGE: this client should never be removed from the table
+ * @BATADV_TT_CLIENT_NEW: this client has been added to the local table but has
+ * not been announced yet
+ * @BATADV_TT_CLIENT_PENDING: this client is marked for removal but it is kept
+ * in the table for one more originator interval for consistency purposes
+ * @BATADV_TT_CLIENT_TEMP: this global client has been detected to be part of
+ * the network but no nnode has already announced it
+ *
+ * Bits from 0 to 7 are called _remote flags_ because they are sent on the wire.
+ * Bits from 8 to 15 are called _local flags_ because they are used for local
+ * computations only.
+ *
+ * Bits from 4 to 7 - a subset of remote flags - are ensured to be in sync with
+ * the other nodes in the network. To achieve this goal these flags are included
+ * in the TT CRC computation.
*/
enum batadv_tt_client_flags {
BATADV_TT_CLIENT_DEL = BIT(0),
@@ -145,6 +178,7 @@ enum batadv_bla_claimframe {
* @BATADV_TVLV_NC: network coding tvlv
* @BATADV_TVLV_TT: translation table tvlv
* @BATADV_TVLV_ROAM: roaming advertisement tvlv
+ * @BATADV_TVLV_MCAST: multicast capability tvlv
*/
enum batadv_tvlv_type {
BATADV_TVLV_GW = 0x01,
@@ -152,6 +186,7 @@ enum batadv_tvlv_type {
BATADV_TVLV_NC = 0x03,
BATADV_TVLV_TT = 0x04,
BATADV_TVLV_ROAM = 0x05,
+ BATADV_TVLV_MCAST = 0x06,
};
#pragma pack(2)
@@ -504,4 +539,14 @@ struct batadv_tvlv_roam_adv {
__be16 vid;
};
+/**
+ * struct batadv_tvlv_mcast_data - payload of a multicast tvlv
+ * @flags: multicast flags announced by the orig node
+ * @reserved: reserved field
+ */
+struct batadv_tvlv_mcast_data {
+ uint8_t flags;
+ uint8_t reserved[3];
+};
+
#endif /* _NET_BATMAN_ADV_PACKET_H_ */