diff options
Diffstat (limited to 'net/batman-adv/packet.h')
| -rw-r--r-- | net/batman-adv/packet.h | 61 |
1 files changed, 59 insertions, 2 deletions
diff --git a/net/batman-adv/packet.h b/net/batman-adv/packet.h index 372128ddb474..6b011ff64dd8 100644 --- a/net/batman-adv/packet.h +++ b/net/batman-adv/packet.h @@ -21,6 +21,8 @@ #include <asm/byteorder.h> #include <linux/types.h> +#define batadv_tp_is_error(n) ((u8)n > 127 ? 1 : 0) + /** * enum batadv_packettype - types for batman-adv encapsulated packets * @BATADV_IV_OGM: originator messages for B.A.T.M.A.N. IV @@ -93,6 +95,7 @@ enum batadv_icmp_packettype { BATADV_ECHO_REQUEST = 8, BATADV_TTL_EXCEEDED = 11, BATADV_PARAMETER_PROBLEM = 12, + BATADV_TP = 15, }; /** @@ -285,6 +288,16 @@ struct batadv_elp_packet { #define BATADV_ELP_HLEN sizeof(struct batadv_elp_packet) /** + * enum batadv_icmp_user_cmd_type - types for batman-adv icmp cmd modes + * @BATADV_TP_START: start a throughput meter run + * @BATADV_TP_STOP: stop a throughput meter run + */ +enum batadv_icmp_user_cmd_type { + BATADV_TP_START = 0, + BATADV_TP_STOP = 2, +}; + +/** * struct batadv_icmp_header - common members among all the ICMP packets * @packet_type: batman-adv packet type, part of the general header * @version: batman-adv protocol version, part of the genereal header @@ -334,6 +347,47 @@ struct batadv_icmp_packet { __be16 seqno; }; +/** + * struct batadv_icmp_tp_packet - ICMP TP Meter packet + * @packet_type: batman-adv packet type, part of the general header + * @version: batman-adv protocol version, part of the genereal header + * @ttl: time to live for this packet, part of the genereal header + * @msg_type: ICMP packet type + * @dst: address of the destination node + * @orig: address of the source node + * @uid: local ICMP socket identifier + * @subtype: TP packet subtype (see batadv_icmp_tp_subtype) + * @session: TP session identifier + * @seqno: the TP sequence number + * @timestamp: time when the packet has been sent. This value is filled in a + * TP_MSG and echoed back in the next TP_ACK so that the sender can compute the + * RTT. Since it is read only by the host which wrote it, there is no need to + * store it using network order + */ +struct batadv_icmp_tp_packet { + u8 packet_type; + u8 version; + u8 ttl; + u8 msg_type; /* see ICMP message types above */ + u8 dst[ETH_ALEN]; + u8 orig[ETH_ALEN]; + u8 uid; + u8 subtype; + u8 session[2]; + __be32 seqno; + __be32 timestamp; +}; + +/** + * enum batadv_icmp_tp_subtype - ICMP TP Meter packet subtypes + * @BATADV_TP_MSG: Msg from sender to receiver + * @BATADV_TP_ACK: acknowledgment from receiver to sender + */ +enum batadv_icmp_tp_subtype { + BATADV_TP_MSG = 0, + BATADV_TP_ACK, +}; + #define BATADV_RR_LEN 16 /** @@ -420,6 +474,7 @@ struct batadv_unicast_4addr_packet { * @dest: final destination used when routing fragments * @orig: originator of the fragment used when merging the packet * @no: fragment number within this sequence + * @priority: priority of frame, from ToS IP precedence or 802.1p * @reserved: reserved byte for alignment * @seqno: sequence identification * @total_size: size of the merged packet @@ -430,9 +485,11 @@ struct batadv_frag_packet { u8 ttl; #if defined(__BIG_ENDIAN_BITFIELD) u8 no:4; - u8 reserved:4; + u8 priority:3; + u8 reserved:1; #elif defined(__LITTLE_ENDIAN_BITFIELD) - u8 reserved:4; + u8 reserved:1; + u8 priority:3; u8 no:4; #else #error "unknown bitfield endianness" |