diff options
Diffstat (limited to 'include/net.h')
| -rw-r--r-- | include/net.h | 60 |
1 files changed, 34 insertions, 26 deletions
diff --git a/include/net.h b/include/net.h index 1f4d947..ed5259a 100644 --- a/include/net.h +++ b/include/net.h @@ -38,6 +38,14 @@ #define PKTALIGN ARCH_DMA_MINALIGN +/* ARP hardware address length */ +#define ARP_HLEN 6 +/* + * The size of a MAC address in string form, each digit requires two chars + * and five separator characters to form '00:00:00:00:00:00'. + */ +#define ARP_HLEN_ASCII (ARP_HLEN * 2) + (ARP_HLEN - 1) + /* IPv4 addresses are always 32 bits in size */ struct in_addr { __be32 s_addr; @@ -90,7 +98,7 @@ enum eth_state_t { */ struct eth_pdata { phys_addr_t iobase; - unsigned char enetaddr[6]; + unsigned char enetaddr[ARP_HLEN]; int phy_interface; int max_speed; }; @@ -160,8 +168,9 @@ void eth_halt_state_only(void); /* Set passive state */ #ifndef CONFIG_DM_ETH struct eth_device { - char name[16]; - unsigned char enetaddr[6]; +#define ETH_NAME_LEN 16 + char name[ETH_NAME_LEN]; + unsigned char enetaddr[ARP_HLEN]; phys_addr_t iobase; int state; @@ -300,9 +309,9 @@ u32 ether_crc(size_t len, unsigned char const *p); */ struct ethernet_hdr { - u8 et_dest[6]; /* Destination node */ - u8 et_src[6]; /* Source node */ - u16 et_protlen; /* Protocol or length */ + u8 et_dest[ARP_HLEN]; /* Destination node */ + u8 et_src[ARP_HLEN]; /* Source node */ + u16 et_protlen; /* Protocol or length */ }; /* Ethernet header size */ @@ -311,16 +320,16 @@ struct ethernet_hdr { #define ETH_FCS_LEN 4 /* Octets in the FCS */ struct e802_hdr { - 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_dest[ARP_HLEN]; /* Destination node */ + u8 et_src[ARP_HLEN]; /* 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 */ + u16 et_prot; /* 802 protocol */ }; /* 802 + SNAP + ethernet header size */ @@ -330,11 +339,11 @@ struct e802_hdr { * Virtual LAN Ethernet header */ struct vlan_ethernet_hdr { - 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 */ + u8 vet_dest[ARP_HLEN]; /* Destination node */ + u8 vet_src[ARP_HLEN]; /* Source node */ + u16 vet_vlan_type; /* PROT_VLAN */ + u16 vet_tag; /* TAG of VLAN */ + u16 vet_type; /* protocol type */ }; /* VLAN Ethernet header size */ @@ -405,7 +414,6 @@ struct arp_hdr { # define ARP_ETHER 1 /* Ethernet hardware address */ u16 ar_pro; /* Format of protocol address */ u8 ar_hln; /* Length of hardware address */ -# define ARP_HLEN 6 u8 ar_pln; /* Length of protocol address */ # define ARP_PLEN 4 u16 ar_op; /* Operation */ @@ -514,16 +522,16 @@ extern char net_nis_domain[32]; /* Our IS domain */ extern char net_hostname[32]; /* Our hostname */ extern char net_root_path[64]; /* Our root path */ /** END OF BOOTP EXTENTIONS **/ -extern u8 net_ethaddr[6]; /* Our ethernet address */ -extern u8 net_server_ethaddr[6]; /* Boot server enet address */ +extern u8 net_ethaddr[ARP_HLEN]; /* Our ethernet address */ +extern u8 net_server_ethaddr[ARP_HLEN]; /* Boot server enet address */ extern struct in_addr net_ip; /* Our IP addr (0 = unknown) */ extern struct in_addr net_server_ip; /* Server IP addr (0 = unknown) */ extern uchar *net_tx_packet; /* THE transmit packet */ extern uchar *net_rx_packets[PKTBUFSRX]; /* Receive packets */ extern uchar *net_rx_packet; /* Current receive packet */ extern int net_rx_packet_len; /* Current rx packet length */ -extern const u8 net_bcast_ethaddr[6]; /* Ethernet broadcast address */ -extern const u8 net_null_ethaddr[6]; +extern const u8 net_bcast_ethaddr[ARP_HLEN]; /* Ethernet broadcast address */ +extern const u8 net_null_ethaddr[ARP_HLEN]; #define VLAN_NONE 4095 /* untagged */ #define VLAN_IDMASK 0x0fff /* mask of valid vlan id */ @@ -562,9 +570,9 @@ extern ushort cdp_appliance_vlan; /* CDP returned appliance VLAN */ */ static inline int is_cdp_packet(const uchar *ethaddr) { - extern const u8 net_cdp_ethaddr[6]; + extern const u8 net_cdp_ethaddr[ARP_HLEN]; - return memcmp(ethaddr, net_cdp_ethaddr, 6) == 0; + return memcmp(ethaddr, net_cdp_ethaddr, ARP_HLEN) == 0; } #endif |