*/
struct ethernet_hdr {
- uchar et_dest[6]; /* Destination node */
- uchar et_src[6]; /* Source node */
- ushort et_protlen; /* Protocol or length */
+ u8 et_dest[6]; /* Destination node */
+ u8 et_src[6]; /* Source node */
+ u16 et_protlen; /* Protocol or length */
};
/* Ethernet header size */
#define ETH_FCS_LEN 4 /* Octets in the FCS */
struct e802_hdr {
- uchar et_dest[6]; /* Destination node */
- uchar et_src[6]; /* Source node */
- ushort et_protlen; /* Protocol or length */
- uchar et_dsap; /* 802 DSAP */
- uchar et_ssap; /* 802 SSAP */
- uchar et_ctl; /* 802 control */
- uchar et_snap1; /* SNAP */
- uchar et_snap2;
- uchar et_snap3;
- ushort et_prot; /* 802 protocol */
+ u8 et_dest[6]; /* Destination node */
+ u8 et_src[6]; /* Source node */
+ u16 et_protlen; /* Protocol or length */
+ u8 et_dsap; /* 802 DSAP */
+ u8 et_ssap; /* 802 SSAP */
+ u8 et_ctl; /* 802 control */
+ u8 et_snap1; /* SNAP */
+ u8 et_snap2;
+ u8 et_snap3;
+ u16 et_prot; /* 802 protocol */
};
/* 802 + SNAP + ethernet header size */
* Virtual LAN Ethernet header
*/
struct vlan_ethernet_hdr {
- uchar vet_dest[6]; /* Destination node */
- uchar vet_src[6]; /* Source node */
- ushort vet_vlan_type; /* PROT_VLAN */
- ushort vet_tag; /* TAG of VLAN */
- ushort vet_type; /* protocol type */
+ u8 vet_dest[6]; /* Destination node */
+ u8 vet_src[6]; /* Source node */
+ u16 vet_vlan_type; /* PROT_VLAN */
+ u16 vet_tag; /* TAG of VLAN */
+ u16 vet_type; /* protocol type */
};
/* VLAN Ethernet header size */
* Internet Protocol (IP) header.
*/
struct ip_hdr {
- uchar ip_hl_v; /* header length and version */
- uchar ip_tos; /* type of service */
- ushort ip_len; /* total length */
- ushort ip_id; /* identification */
- ushort ip_off; /* fragment offset field */
- uchar ip_ttl; /* time to live */
- uchar ip_p; /* protocol */
- ushort ip_sum; /* checksum */
+ u8 ip_hl_v; /* header length and version */
+ u8 ip_tos; /* type of service */
+ u16 ip_len; /* total length */
+ u16 ip_id; /* identification */
+ u16 ip_off; /* fragment offset field */
+ u8 ip_ttl; /* time to live */
+ u8 ip_p; /* protocol */
+ u16 ip_sum; /* checksum */
struct in_addr ip_src; /* Source IP address */
struct in_addr ip_dst; /* Destination IP address */
};
* Internet Protocol (IP) + UDP header.
*/
struct ip_udp_hdr {
- uchar ip_hl_v; /* header length and version */
- uchar ip_tos; /* type of service */
- ushort ip_len; /* total length */
- ushort ip_id; /* identification */
- ushort ip_off; /* fragment offset field */
- uchar ip_ttl; /* time to live */
- uchar ip_p; /* protocol */
- ushort ip_sum; /* checksum */
+ u8 ip_hl_v; /* header length and version */
+ u8 ip_tos; /* type of service */
+ u16 ip_len; /* total length */
+ u16 ip_id; /* identification */
+ u16 ip_off; /* fragment offset field */
+ u8 ip_ttl; /* time to live */
+ u8 ip_p; /* protocol */
+ u16 ip_sum; /* checksum */
struct in_addr ip_src; /* Source IP address */
struct in_addr ip_dst; /* Destination IP address */
- ushort udp_src; /* UDP source port */
- ushort udp_dst; /* UDP destination port */
- ushort udp_len; /* Length of UDP packet */
- ushort udp_xsum; /* Checksum */
+ u16 udp_src; /* UDP source port */
+ u16 udp_dst; /* UDP destination port */
+ u16 udp_len; /* Length of UDP packet */
+ u16 udp_xsum; /* Checksum */
};
#define IP_UDP_HDR_SIZE (sizeof(struct ip_udp_hdr))
* Address Resolution Protocol (ARP) header.
*/
struct arp_hdr {
- ushort ar_hrd; /* Format of hardware address */
+ u16 ar_hrd; /* Format of hardware address */
# define ARP_ETHER 1 /* Ethernet hardware address */
- ushort ar_pro; /* Format of protocol address */
- uchar ar_hln; /* Length of hardware address */
+ u16 ar_pro; /* Format of protocol address */
+ u8 ar_hln; /* Length of hardware address */
# define ARP_HLEN 6
- uchar ar_pln; /* Length of protocol address */
+ u8 ar_pln; /* Length of protocol address */
# define ARP_PLEN 4
- ushort ar_op; /* Operation */
+ u16 ar_op; /* Operation */
# define ARPOP_REQUEST 1 /* Request to resolve address */
# define ARPOP_REPLY 2 /* Response to previous request */
* the sizes above, and are defined as appropriate for
* specific hardware/protocol combinations.
*/
- uchar ar_data[0];
+ u8 ar_data[0];
#define ar_sha ar_data[0]
#define ar_spa ar_data[ARP_HLEN]
#define ar_tha ar_data[ARP_HLEN + ARP_PLEN]
#define ar_tpa ar_data[ARP_HLEN + ARP_PLEN + ARP_HLEN]
#if 0
- uchar ar_sha[]; /* Sender hardware address */
- uchar ar_spa[]; /* Sender protocol address */
- uchar ar_tha[]; /* Target hardware address */
- uchar ar_tpa[]; /* Target protocol address */
+ u8 ar_sha[]; /* Sender hardware address */
+ u8 ar_spa[]; /* Sender protocol address */
+ u8 ar_tha[]; /* Target hardware address */
+ u8 ar_tpa[]; /* Target protocol address */
#endif /* 0 */
};
#define ICMP_NOT_REACH_PORT 3 /* Port unreachable */
struct icmp_hdr {
- uchar type;
- uchar code;
- ushort checksum;
+ u8 type;
+ u8 code;
+ u16 checksum;
union {
struct {
- ushort id;
- ushort sequence;
+ u16 id;
+ u16 sequence;
} echo;
u32 gateway;
struct {
- ushort unused;
- ushort mtu;
+ u16 unused;
+ u16 mtu;
} frag;
- uchar data[0];
+ u8 data[0];
} un;
};
#endif
struct bootp_hdr {
- uchar bp_op; /* Operation */
+ u8 bp_op; /* Operation */
# define OP_BOOTREQUEST 1
# define OP_BOOTREPLY 2
- uchar bp_htype; /* Hardware type */
+ u8 bp_htype; /* Hardware type */
# define HWT_ETHER 1
- uchar bp_hlen; /* Hardware address length */
+ u8 bp_hlen; /* Hardware address length */
# define HWL_ETHER 6
- uchar bp_hops; /* Hop count (gateway thing) */
+ u8 bp_hops; /* Hop count (gateway thing) */
u32 bp_id; /* Transaction ID */
- ushort bp_secs; /* Seconds since boot */
- ushort bp_spare1; /* Alignment */
+ u16 bp_secs; /* Seconds since boot */
+ u16 bp_spare1; /* Alignment */
struct in_addr bp_ciaddr; /* Client IP address */
struct in_addr bp_yiaddr; /* Your (client) IP address */
struct in_addr bp_siaddr; /* Server IP address */
struct in_addr bp_giaddr; /* Gateway IP address */
- uchar bp_chaddr[16]; /* Client hardware address */
+ u8 bp_chaddr[16]; /* Client hardware address */
char bp_sname[64]; /* Server host name */
char bp_file[128]; /* Boot file name */
char bp_vend[OPT_FIELD_SIZE]; /* Vendor information */