diff options
Diffstat (limited to 'net/batman-adv/packet.h')
| -rw-r--r-- | net/batman-adv/packet.h | 38 |
1 files changed, 28 insertions, 10 deletions
diff --git a/net/batman-adv/packet.h b/net/batman-adv/packet.h index aa46c2778ad8..65e723ed030b 100644 --- a/net/batman-adv/packet.h +++ b/net/batman-adv/packet.h @@ -186,29 +186,47 @@ struct batadv_ogm_packet { #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]; }; |