X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=include%2Fnet.h;h=9a34360fc5ed92bad58bf16f36d2ceec7d0bfe06;hb=71444e496a68d8bbef8e1e2c6931bd2fce10f543;hp=0962aa40d0fcdf235d1020750c7d5862f2da4be6;hpb=d1f6052e6af18fc9c90a8bdaa4b5f8d916fdab35;p=karo-tx-uboot.git diff --git a/include/net.h b/include/net.h index 0962aa40d0..9a34360fc5 100644 --- a/include/net.h +++ b/include/net.h @@ -85,10 +85,20 @@ enum eth_state_t { * * @iobase: The base address of the hardware registers * @enetaddr: The Ethernet MAC address that is loaded from EEPROM or env + * @phy_interface: PHY interface to use - see PHY_INTERFACE_MODE_... */ struct eth_pdata { phys_addr_t iobase; unsigned char enetaddr[6]; + int phy_interface; +}; + +enum eth_recv_flags { + /* + * Check hardware device for new packets (otherwise only return those + * which are already in the memory buffer ready to process) + */ + ETH_RECV_CHECK_DEVICE = 1 << 0, }; /** @@ -109,7 +119,9 @@ struct eth_pdata { * mcast: Join or leave a multicast group (for TFTP) - optional * write_hwaddr: Write a MAC address to the hardware (used to pass it to Linux * on some platforms like ARM). This function expects the - * eth_pdata::enetaddr field to be populated - optional + * eth_pdata::enetaddr field to be populated. The method can + * return -ENOSYS to indicate that this is not implemented for + this hardware - optional. * read_rom_hwaddr: Some devices have a backup of the MAC address stored in a * ROM on the board. This is how the driver should expose it * to the network stack. This function should fill in the @@ -118,7 +130,7 @@ struct eth_pdata { struct eth_ops { int (*start)(struct udevice *dev); int (*send)(struct udevice *dev, void *packet, int length); - int (*recv)(struct udevice *dev, uchar **packetp); + int (*recv)(struct udevice *dev, int flags, uchar **packetp); int (*free_pkt)(struct udevice *dev, uchar *packet, int length); void (*stop)(struct udevice *dev); #ifdef CONFIG_MCAST_TFTP @@ -149,14 +161,14 @@ struct eth_device { phys_addr_t iobase; int state; - int (*init) (struct eth_device *, bd_t *); - int (*send) (struct eth_device *, void *packet, int length); - int (*recv) (struct eth_device *); - void (*halt) (struct eth_device *); + int (*init)(struct eth_device *, bd_t *); + int (*send)(struct eth_device *, void *packet, int length); + int (*recv)(struct eth_device *); + void (*halt)(struct eth_device *); #ifdef CONFIG_MCAST_TFTP - int (*mcast) (struct eth_device *, const u8 *enetaddr, u8 set); + int (*mcast)(struct eth_device *, const u8 *enetaddr, u8 set); #endif - int (*write_hwaddr) (struct eth_device *); + int (*write_hwaddr)(struct eth_device *); struct eth_device *next; int index; void *priv; @@ -259,10 +271,10 @@ u32 ether_crc(size_t len, unsigned char const *p); */ 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 */ +} __attribute__((packed)); /* Ethernet header size */ #define ETHER_HDR_SIZE (sizeof(struct ethernet_hdr)) @@ -270,17 +282,17 @@ struct ethernet_hdr { #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 */ +} __attribute__((packed)); /* 802 + SNAP + ethernet header size */ #define E802_HDR_SIZE (sizeof(struct e802_hdr)) @@ -289,12 +301,12 @@ struct e802_hdr { * 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 */ +} __attribute__((packed)); /* VLAN Ethernet header size */ #define VLAN_ETHER_HDR_SIZE (sizeof(struct vlan_ethernet_hdr)) @@ -311,17 +323,17 @@ struct vlan_ethernet_hdr { * 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 */ -}; +} __attribute__((packed)); #define IP_OFFS 0x1fff /* ip offset *= 8 */ #define IP_FLAGS 0xe000 /* first 3 bits */ @@ -335,21 +347,21 @@ struct ip_hdr { * 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 */ +} __attribute__((packed)); #define IP_UDP_HDR_SIZE (sizeof(struct ip_udp_hdr)) #define UDP_HDR_SIZE (IP_UDP_HDR_SIZE - IP_HDR_SIZE) @@ -358,14 +370,14 @@ 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 */ @@ -377,18 +389,18 @@ struct arp_hdr { * 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 */ -}; +} __attribute__((packed)); #define ARP_HDR_SIZE (8+20) /* Size assuming ethernet */ @@ -408,22 +420,22 @@ struct arp_hdr { #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; - ulong gateway; + u32 gateway; struct { - ushort unused; - ushort mtu; + u16 unused; + u16 mtu; } frag; - uchar data[0]; + u8 data[0]; } un; -}; +} __attribute__((packed)); #define ICMP_HDR_SIZE (sizeof(struct icmp_hdr)) #define IP_ICMP_HDR_SIZE (IP_HDR_SIZE + ICMP_HDR_SIZE) @@ -477,28 +489,23 @@ 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 uchar NetOurEther[6]; /* Our ethernet address */ -extern uchar NetServerEther[6]; /* Boot server enet address */ +extern u8 net_ethaddr[6]; /* Our ethernet address */ +extern u8 net_server_ethaddr[6]; /* 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 *NetTxPacket; /* THE transmit packet */ -#ifdef CONFIG_DM_ETH +extern uchar *net_tx_packet; /* THE transmit packet */ extern uchar *net_rx_packets[PKTBUFSRX]; /* Receive packets */ -#else -extern uchar *NetRxPackets[PKTBUFSRX]; /* Receive packets */ -#endif -extern uchar *NetRxPacket; /* Current receive packet */ -extern int NetRxPacketLen; /* Current rx packet length */ -extern unsigned NetIPID; /* IP ID (counting) */ -extern uchar NetBcastAddr[6]; /* Ethernet boardcast address */ -extern uchar NetEtherNullAddr[6]; +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]; #define VLAN_NONE 4095 /* untagged */ #define VLAN_IDMASK 0x0fff /* mask of valid vlan id */ -extern ushort NetOurVLAN; /* Our VLAN */ -extern ushort NetOurNativeVLAN; /* Our Native VLAN */ +extern ushort net_our_vlan; /* Our VLAN */ +extern ushort net_native_vlan; /* Our Native VLAN */ -extern int NetRestartWrap; /* Tried all network devices */ +extern int net_restart_wrap; /* Tried all network devices */ enum proto_t { BOOTP, RARP, ARP, TFTPGET, DHCP, PING, DNS, NFS, CDP, NETCONS, SNTP, @@ -512,8 +519,8 @@ extern u32 net_boot_file_size; extern u32 net_boot_file_expected_size_in_blocks; #if defined(CONFIG_CMD_DNS) -extern char *NetDNSResolve; /* The host to resolve */ -extern char *NetDNSenvvar; /* the env var to put the ip into */ +extern char *net_dns_resolve; /* The host to resolve */ +extern char *net_dns_env_var; /* the env var to put the ip into */ #endif #if defined(CONFIG_CMD_PING) @@ -522,23 +529,23 @@ extern struct in_addr net_ping_ip; /* the ip address to ping */ #if defined(CONFIG_CMD_CDP) /* when CDP completes these hold the return values */ -extern ushort CDPNativeVLAN; /* CDP returned native VLAN */ -extern ushort CDPApplianceVLAN; /* CDP returned appliance VLAN */ +extern ushort cdp_native_vlan; /* CDP returned native VLAN */ +extern ushort cdp_appliance_vlan; /* CDP returned appliance VLAN */ /* * Check for a CDP packet by examining the received MAC address field */ -static inline int is_cdp_packet(const uchar *et_addr) +static inline int is_cdp_packet(const uchar *ethaddr) { - extern const uchar NetCDPAddr[6]; + extern const u8 net_cdp_ethaddr[6]; - return memcmp(et_addr, NetCDPAddr, 6) == 0; + return memcmp(ethaddr, net_cdp_ethaddr, 6) == 0; } #endif #if defined(CONFIG_CMD_SNTP) extern struct in_addr net_ntp_server; /* the ip address to NTP */ -extern int NetTimeOffset; /* offset time from UTC */ +extern int net_ntp_time_offset; /* offset time from UTC */ #endif #if defined(CONFIG_MCAST_TFTP) @@ -547,19 +554,16 @@ extern struct in_addr net_mcast_addr; /* Initialize the network adapter */ void net_init(void); -int NetLoop(enum proto_t); - -/* Shutdown adapters and cleanup */ -void NetStop(void); +int net_loop(enum proto_t); /* Load failed. Start again. */ -int NetStartAgain(void); +int net_start_again(void); /* Get size of the ethernet header when we send */ -int NetEthHdrSize(void); +int net_eth_hdr_size(void); /* Set ethernet header; returns the size of the header */ -int NetSetEther(uchar *, uchar *, uint); +int net_set_ether(uchar *xet, const uchar *dest_ethaddr, uint prot); int net_update_ether(struct ethernet_hdr *et, uchar *addr, uint prot); /* Set IP header */ @@ -603,7 +607,7 @@ void net_set_udp_handler(rxhand_f *); /* Set UDP RX packet handler */ rxhand_f *net_get_arp_handler(void); /* Get ARP RX packet handler */ void net_set_arp_handler(rxhand_f *); /* Set ARP RX packet handler */ void net_set_icmp_handler(rxhand_icmp_f *f); /* Set ICMP RX handler */ -void NetSetTimeout(ulong, thand_f *);/* Set timeout handler */ +void net_set_timeout_handler(ulong, thand_f *);/* Set timeout handler */ /* Network loop state */ enum net_loop_state { @@ -621,14 +625,14 @@ static inline void net_set_state(enum net_loop_state state) } /* Transmit a packet */ -static inline void NetSendPacket(uchar *pkt, int len) +static inline void net_send_packet(uchar *pkt, int len) { /* Currently no way to return errors from eth_send() */ (void) eth_send(pkt, len); } /* - * Transmit "NetTxPacket" as UDP packet, performing ARP request if needed + * Transmit "net_tx_packet" as UDP packet, performing ARP request if needed * (ether will be populated) * * @param ether Raw packet buffer @@ -637,17 +641,14 @@ static inline void NetSendPacket(uchar *pkt, int len) * @param sport Source UDP port * @param payload_len Length of data after the UDP header */ -int NetSendUDPPacket(uchar *ether, struct in_addr dest, int dport, +int net_send_udp_packet(uchar *ether, struct in_addr dest, int dport, int sport, int payload_len); -#ifndef CONFIG_DM_ETH -#define NetReceive(in_packet, len) net_process_received_packet(in_packet, len) -#endif /* Processes a received packet */ void net_process_received_packet(uchar *in_packet, int len); #ifdef CONFIG_NETCONSOLE -void NcStart(void); +void nc_start(void); int nc_input_packet(uchar *pkt, struct in_addr src_ip, unsigned dest_port, unsigned src_port, unsigned len); #endif @@ -698,9 +699,9 @@ static inline struct in_addr net_read_ip(void *from) } /* return ulong *in network byteorder* */ -static inline ulong NetReadLong(ulong *from) +static inline u32 net_read_u32(u32 *from) { - ulong l; + u32 l; memcpy((void *)&l, (void *)from, sizeof(l)); return l; @@ -719,48 +720,48 @@ static inline void net_copy_ip(void *to, void *from) } /* copy ulong */ -static inline void NetCopyLong(ulong *to, ulong *from) +static inline void net_copy_u32(u32 *to, u32 *from) { - memcpy((void *)to, (void *)from, sizeof(ulong)); + memcpy((void *)to, (void *)from, sizeof(u32)); } /** - * is_zero_ether_addr - Determine if give Ethernet address is all zeros. + * is_zero_ethaddr - Determine if give Ethernet address is all zeros. * @addr: Pointer to a six-byte array containing the Ethernet address * * Return true if the address is all zeroes. */ -static inline int is_zero_ether_addr(const u8 *addr) +static inline int is_zero_ethaddr(const u8 *addr) { return !(addr[0] | addr[1] | addr[2] | addr[3] | addr[4] | addr[5]); } /** - * is_multicast_ether_addr - Determine if the Ethernet address is a multicast. + * is_multicast_ethaddr - Determine if the Ethernet address is a multicast. * @addr: Pointer to a six-byte array containing the Ethernet address * * Return true if the address is a multicast address. * By definition the broadcast address is also a multicast address. */ -static inline int is_multicast_ether_addr(const u8 *addr) +static inline int is_multicast_ethaddr(const u8 *addr) { return 0x01 & addr[0]; } /* - * is_broadcast_ether_addr - Determine if the Ethernet address is broadcast + * is_broadcast_ethaddr - Determine if the Ethernet address is broadcast * @addr: Pointer to a six-byte array containing the Ethernet address * * Return true if the address is the broadcast address. */ -static inline int is_broadcast_ether_addr(const u8 *addr) +static inline int is_broadcast_ethaddr(const u8 *addr) { return (addr[0] & addr[1] & addr[2] & addr[3] & addr[4] & addr[5]) == 0xff; } /* - * is_valid_ether_addr - Determine if the given Ethernet address is valid + * is_valid_ethaddr - Determine if the given Ethernet address is valid * @addr: Pointer to a six-byte array containing the Ethernet address * * Check that the Ethernet address (MAC) is not 00:00:00:00:00:00, is not @@ -768,21 +769,21 @@ static inline int is_broadcast_ether_addr(const u8 *addr) * * Return true if the address is valid. */ -static inline int is_valid_ether_addr(const u8 *addr) +static inline int is_valid_ethaddr(const u8 *addr) { /* FF:FF:FF:FF:FF:FF is a multicast address so we don't need to * explicitly check for it here. */ - return !is_multicast_ether_addr(addr) && !is_zero_ether_addr(addr); + return !is_multicast_ethaddr(addr) && !is_zero_ethaddr(addr); } /** - * eth_random_addr - Generate software assigned random Ethernet address + * net_random_ethaddr - Generate software assigned random Ethernet address * @addr: Pointer to a six-byte array containing the Ethernet address * * Generate a random Ethernet address (MAC) that is not multicast * and has the local assigned bit set. */ -static inline void eth_random_addr(uchar *addr) +static inline void net_random_ethaddr(uchar *addr) { int i; unsigned int seed = get_timer(0); @@ -801,13 +802,13 @@ void ip_to_string(struct in_addr x, char *s); struct in_addr string_to_ip(const char *s); /* Convert a VLAN id to a string */ -void VLAN_to_string(ushort x, char *s); +void vlan_to_string(ushort x, char *s); /* Convert a string to a vlan id */ -ushort string_to_VLAN(const char *s); +ushort string_to_vlan(const char *s); /* read a VLAN id from an environment variable */ -ushort getenv_VLAN(char *); +ushort getenv_vlan(char *); /* copy a filename (allow for "..." notation, limit length) */ void copy_filename(char *dst, const char *src, int size);