BATADV_PARAMETER_PROBLEM = 12,
};
-/* fragmentation defines */
-enum batadv_unicast_frag_flags {
- BATADV_UNI_FRAG_HEAD = BIT(0),
- BATADV_UNI_FRAG_LARGETAIL = BIT(1),
-};
-
/* tt data subtypes */
#define BATADV_TT_DATA_TYPE_MASK 0x0F
/* 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
+ * 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 {
BATADV_TT_CLIENT_DEL = BIT(0),
BATADV_TT_CLIENT_ROAM = BIT(1),
- BATADV_TT_CLIENT_WIFI = BIT(2),
+ BATADV_TT_CLIENT_WIFI = BIT(4),
BATADV_TT_CLIENT_NOPURGE = BIT(8),
BATADV_TT_CLIENT_NEW = BIT(9),
BATADV_TT_CLIENT_PENDING = BIT(10),
BATADV_TT_CLIENT_TEMP = BIT(11),
};
+/**
+ * batadv_vlan_flags - flags for the four MSB of any vlan ID field
+ * @BATADV_VLAN_HAS_TAG: whether the field contains a valid vlan tag or not
+ */
+enum batadv_vlan_flags {
+ BATADV_VLAN_HAS_TAG = BIT(15),
+};
+
/* claim frame types for the bridge loop avoidance */
enum batadv_bla_claimframe {
BATADV_CLAIM_TYPE_CLAIM = 0x00,
#define BATADV_OGM_HLEN sizeof(struct batadv_ogm_packet)
-struct batadv_icmp_packet {
+/**
+ * batadv_icmp_header - common ICMP header
+ * @header: common batman header
+ * @msg_type: ICMP packet type
+ * @dst: address of the destination node
+ * @orig: address of the source node
+ * @uid: local ICMP socket identifier
+ */
+struct batadv_icmp_header {
struct batadv_header header;
uint8_t msg_type; /* see ICMP message types above */
uint8_t dst[ETH_ALEN];
uint8_t orig[ETH_ALEN];
- __be16 seqno;
uint8_t uid;
+};
+
+/**
+ * batadv_icmp_packet - ICMP packet
+ * @icmph: common ICMP header
+ * @reserved: not used - useful for alignment
+ * @seqno: ICMP sequence number
+ */
+struct batadv_icmp_packet {
+ struct batadv_icmp_header icmph;
uint8_t reserved;
+ __be16 seqno;
};
#define BATADV_RR_LEN 16
-/* icmp_packet_rr must start with all fields from imcp_packet
- * as this is assumed by code that handles ICMP packets
+/**
+ * batadv_icmp_packet_rr - ICMP RouteRecord packet
+ * @icmph: common ICMP header
+ * @rr_cur: number of entries the rr array
+ * @seqno: ICMP sequence number
+ * @rr: route record array
*/
struct batadv_icmp_packet_rr {
- struct batadv_header header;
- uint8_t msg_type; /* see ICMP message types above */
- uint8_t dst[ETH_ALEN];
- uint8_t orig[ETH_ALEN];
- __be16 seqno;
- uint8_t uid;
+ struct batadv_icmp_header icmph;
uint8_t rr_cur;
+ __be16 seqno;
uint8_t rr[BATADV_RR_LEN][ETH_ALEN];
};
+#define BATADV_ICMP_MAX_PACKET_SIZE sizeof(struct batadv_icmp_packet_rr)
+
/* All packet headers in front of an ethernet header have to be completely
* divisible by 2 but not by 4 to make the payload after the ethernet
* header again 4 bytes boundary aligned.
*/
};
-struct batadv_unicast_frag_packet {
- struct batadv_header header;
- uint8_t ttvn; /* destination translation table version number */
- uint8_t dest[ETH_ALEN];
- uint8_t flags;
- uint8_t align;
- uint8_t orig[ETH_ALEN];
- __be16 seqno;
-} __packed;
+/**
+ * struct batadv_frag_packet - fragmented packet
+ * @header: common batman packet header with type, compatversion, and ttl
+ * @dest: final destination used when routing fragments
+ * @orig: originator of the fragment used when merging the packet
+ * @no: fragment number within this sequence
+ * @reserved: reserved byte for alignment
+ * @seqno: sequence identification
+ * @total_size: size of the merged packet
+ */
+struct batadv_frag_packet {
+ struct batadv_header header;
+#if defined(__BIG_ENDIAN_BITFIELD)
+ uint8_t no:4;
+ uint8_t reserved:4;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ uint8_t reserved:4;
+ uint8_t no:4;
+#else
+#error "unknown bitfield endianess"
+#endif
+ uint8_t dest[ETH_ALEN];
+ uint8_t orig[ETH_ALEN];
+ __be16 seqno;
+ __be16 total_size;
+};
struct batadv_bcast_packet {
struct batadv_header header;
* struct batadv_tvlv_tt_data - tt data propagated through the tt tvlv container
* @flags: translation table flags (see batadv_tt_data_flags)
* @ttvn: translation table version number
- * @reserved: field reserved for future use
- * @crc: crc32 checksum of the local translation table
+ * @vlan_num: number of announced VLANs. In the TVLV this struct is followed by
+ * one batadv_tvlv_tt_vlan_data object per announced vlan
*/
struct batadv_tvlv_tt_data {
uint8_t flags;
uint8_t ttvn;
+ __be16 num_vlan;
+};
+
+/**
+ * struct batadv_tvlv_tt_vlan_data - vlan specific tt data propagated through
+ * the tt tvlv container
+ * @crc: crc32 checksum of the entries belonging to this vlan
+ * @vid: vlan identifier
+ * @reserved: unused, useful for alignment purposes
+ */
+struct batadv_tvlv_tt_vlan_data {
+ __be32 crc;
+ __be16 vid;
uint16_t reserved;
- __be32 crc;
};
/**
* batadv_tt_client_flags)
* @reserved: reserved field
* @addr: mac address of non-mesh client that triggered this tt change
+ * @vid: VLAN identifier
*/
struct batadv_tvlv_tt_change {
uint8_t flags;
uint8_t reserved;
uint8_t addr[ETH_ALEN];
+ __be16 vid;
};
/**
* struct batadv_tvlv_roam_adv - roaming advertisement
* @client: mac address of roaming client
- * @reserved: field reserved for future use
+ * @vid: VLAN identifier
*/
struct batadv_tvlv_roam_adv {
uint8_t client[ETH_ALEN];
- uint16_t reserved;
+ __be16 vid;
};
#endif /* _NET_BATMAN_ADV_PACKET_H_ */
projects / cascardo / linux.git / blobdiff