diff options
Diffstat (limited to 'drivers/staging/batman-adv/packet.h')
| -rw-r--r-- | drivers/staging/batman-adv/packet.h | 56 |
1 files changed, 47 insertions, 9 deletions
diff --git a/drivers/staging/batman-adv/packet.h b/drivers/staging/batman-adv/packet.h index 152f57b1c6c5..2693383889a4 100644 --- a/drivers/staging/batman-adv/packet.h +++ b/drivers/staging/batman-adv/packet.h @@ -19,18 +19,23 @@ * */ +#ifndef _NET_BATMAN_ADV_PACKET_H_ +#define _NET_BATMAN_ADV_PACKET_H_ + #define ETH_P_BATMAN 0x4305 /* unofficial/not registered Ethertype */ -#define BAT_PACKET 0x01 -#define BAT_ICMP 0x02 -#define BAT_UNICAST 0x03 -#define BAT_BCAST 0x04 -#define BAT_VIS 0x05 +#define BAT_PACKET 0x01 +#define BAT_ICMP 0x02 +#define BAT_UNICAST 0x03 +#define BAT_BCAST 0x04 +#define BAT_VIS 0x05 +#define BAT_UNICAST_FRAG 0x06 /* this file is included by batctl which needs these defines */ -#define COMPAT_VERSION 8 +#define COMPAT_VERSION 13 #define DIRECTLINK 0x40 #define VIS_SERVER 0x20 +#define PRIMARIES_FIRST_HOP 0x10 /* ICMP message types */ #define ECHO_REPLY 0 @@ -43,12 +48,15 @@ #define VIS_TYPE_SERVER_SYNC 0 #define VIS_TYPE_CLIENT_UPDATE 1 +/* fragmentation defines */ +#define UNI_FRAG_HEAD 0x01 + struct batman_packet { uint8_t packet_type; uint8_t version; /* batman version field */ uint8_t flags; /* 0x40: DIRECTLINK flag, 0x20 VIS_SERVER flag... */ uint8_t tq; - uint16_t seqno; + uint32_t seqno; uint8_t orig[6]; uint8_t prev_sender[6]; uint8_t ttl; @@ -68,6 +76,23 @@ struct icmp_packet { uint8_t uid; } __attribute__((packed)); +#define BAT_RR_LEN 16 + +/* icmp_packet_rr must start with all fields from imcp_packet + * as this is assumed by code that handles ICMP packets */ +struct icmp_packet_rr { + uint8_t packet_type; + uint8_t version; /* batman version field */ + uint8_t msg_type; /* see ICMP message types above */ + uint8_t ttl; + uint8_t dst[6]; + uint8_t orig[6]; + uint16_t seqno; + uint8_t uid; + uint8_t rr_cur; + uint8_t rr[BAT_RR_LEN][ETH_ALEN]; +} __attribute__((packed)); + struct unicast_packet { uint8_t packet_type; uint8_t version; /* batman version field */ @@ -75,22 +100,35 @@ struct unicast_packet { uint8_t ttl; } __attribute__((packed)); -struct bcast_packet { +struct unicast_frag_packet { uint8_t packet_type; uint8_t version; /* batman version field */ + uint8_t dest[6]; + uint8_t ttl; + uint8_t flags; uint8_t orig[6]; uint16_t seqno; } __attribute__((packed)); +struct bcast_packet { + uint8_t packet_type; + uint8_t version; /* batman version field */ + uint8_t orig[6]; + uint8_t ttl; + uint32_t seqno; +} __attribute__((packed)); + struct vis_packet { uint8_t packet_type; uint8_t version; /* batman version field */ uint8_t vis_type; /* which type of vis-participant sent this? */ - uint8_t seqno; /* sequence number */ uint8_t entries; /* number of entries behind this struct */ + uint32_t seqno; /* sequence number */ uint8_t ttl; /* TTL */ uint8_t vis_orig[6]; /* originator that informs about its * neighbors */ uint8_t target_orig[6]; /* who should receive this packet */ uint8_t sender_orig[6]; /* who sent or rebroadcasted this packet */ } __attribute__((packed)); + +#endif /* _NET_BATMAN_ADV_PACKET_H_ */ |