int iobase;
int state;
- int (*init) (struct eth_device*, bd_t*);
- int (*send) (struct eth_device*, volatile 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*, u32 ip, u8 set);
+ int (*mcast) (struct eth_device *, u32 ip, u8 set);
#endif
- int (*write_hwaddr) (struct eth_device*);
+ int (*write_hwaddr) (struct eth_device *);
struct eth_device *next;
int index;
void *priv;
extern struct eth_device *eth_get_dev(void); /* get the current device MAC */
extern struct eth_device *eth_get_dev_by_name(const char *devname);
extern struct eth_device *eth_get_dev_by_index(int index); /* get dev @ index */
-extern int eth_get_dev_index (void); /* get the device index */
+extern int eth_get_dev_index(void); /* get the device index */
extern void eth_parse_enetaddr(const char *addr, uchar *enetaddr);
extern int eth_getenv_enetaddr(char *name, uchar *enetaddr);
extern int eth_setenv_enetaddr(char *name, const uchar *enetaddr);
extern int usb_eth_initialize(bd_t *bi);
extern int eth_init(bd_t *bis); /* Initialize the device */
-extern int eth_send(volatile void *packet, int length); /* Send a packet */
+extern int eth_send(void *packet, int length); /* Send a packet */
#ifdef CONFIG_API
-extern int eth_receive(volatile void *packet, int length); /* Receive a packet*/
+extern int eth_receive(void *packet, int length); /* Receive a packet*/
+extern void (*push_packet)(void *packet, int length);
#endif
extern int eth_rx(void); /* Check for received packets */
extern void eth_halt(void); /* stop SCC */
int eth_number);
#ifdef CONFIG_MCAST_TFTP
-int eth_mcast_join( IPaddr_t mcast_addr, u8 join);
-u32 ether_crc (size_t len, unsigned char const *p);
+int eth_mcast_join(IPaddr_t mcast_addr, u8 join);
+u32 ether_crc(size_t len, unsigned char const *p);
#endif
/*
* Ethernet header
*/
-typedef struct {
+
+struct ethernet_hdr {
+ uchar et_dest[6]; /* Destination node */
+ uchar et_src[6]; /* Source node */
+ ushort et_protlen; /* Protocol or length */
+};
+
+/* Ethernet header size */
+#define ETHER_HDR_SIZE (sizeof(struct ethernet_hdr))
+
+struct e802_hdr {
uchar et_dest[6]; /* Destination node */
uchar et_src[6]; /* Source node */
ushort et_protlen; /* Protocol or length */
uchar et_snap2;
uchar et_snap3;
ushort et_prot; /* 802 protocol */
-} Ethernet_t;
+};
-#define ETHER_HDR_SIZE 14 /* Ethernet header size */
-#define E802_HDR_SIZE 22 /* 802 ethernet header size */
+/* 802 ethernet header size */
+#define E802_HDR_SIZE (sizeof(struct e802_hdr))
/*
* Ethernet header
*/
-typedef struct {
+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 */
-} VLAN_Ethernet_t;
+};
-#define VLAN_ETHER_HDR_SIZE 18 /* VLAN Ethernet header size */
+/* VLAN Ethernet header size */
+#define VLAN_ETHER_HDR_SIZE (sizeof(struct vlan_ethernet_hdr))
#define PROT_IP 0x0800 /* IP protocol */
#define PROT_ARP 0x0806 /* IP ARP protocol */
/*
* Internet Protocol (IP) header.
*/
-typedef struct {
+struct ip_hdr {
uchar ip_hl_v; /* header length and version */
uchar ip_tos; /* type of service */
ushort ip_len; /* total length */
ushort ip_sum; /* checksum */
IPaddr_t ip_src; /* Source IP address */
IPaddr_t 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 */
-} IP_t;
+};
#define IP_OFFS 0x1fff /* ip offset *= 8 */
#define IP_FLAGS 0xe000 /* first 3 bits */
#define IP_FLAGS_DFRAG 0x4000 /* don't fragments */
#define IP_FLAGS_MFRAG 0x2000 /* more fragments */
-#define IP_HDR_SIZE_NO_UDP (sizeof (IP_t) - 8)
-#define IP_HDR_SIZE (sizeof (IP_t))
+#define IP_HDR_SIZE (sizeof(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 */
+ IPaddr_t ip_src; /* Source IP address */
+ IPaddr_t 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 */
+};
+#define IP_UDP_HDR_SIZE (sizeof(struct ip_udp_hdr))
+#define UDP_HDR_SIZE (IP_UDP_HDR_SIZE - IP_HDR_SIZE)
/*
* Address Resolution Protocol (ARP) header.
*/
-typedef struct
-{
+struct arp_hdr {
ushort ar_hrd; /* Format of hardware address */
# define ARP_ETHER 1 /* Ethernet hardware address */
ushort ar_pro; /* Format of protocol address */
uchar ar_tha[]; /* Target hardware address */
uchar ar_tpa[]; /* Target protocol address */
#endif /* 0 */
-} ARP_t;
+};
#define ARP_HDR_SIZE (8+20) /* Size assuming ethernet */
/* Codes for NOT_REACH */
#define ICMP_NOT_REACH_PORT 3 /* Port unreachable */
-typedef struct icmphdr {
+struct icmp_hdr {
uchar type;
uchar code;
ushort checksum;
} frag;
uchar data[0];
} un;
-} ICMP_t;
+};
+#define ICMP_HDR_SIZE (sizeof(struct icmp_hdr))
+#define IP_ICMP_HDR_SIZE (IP_HDR_SIZE + ICMP_HDR_SIZE)
/*
* Maximum packet size; used to allocate packet storage.
/* net.c */
/** BOOTP EXTENTIONS **/
-extern IPaddr_t NetOurGatewayIP; /* Our gateway IP addresse */
-extern IPaddr_t NetOurSubnetMask; /* Our subnet mask (0 = unknown)*/
-extern IPaddr_t NetOurDNSIP; /* Our Domain Name Server (0 = unknown)*/
+extern IPaddr_t NetOurGatewayIP; /* Our gateway IP address */
+extern IPaddr_t NetOurSubnetMask; /* Our subnet mask (0 = unknown) */
+extern IPaddr_t NetOurDNSIP; /* Our Domain Name Server (0 = unknown) */
#if defined(CONFIG_BOOTP_DNS2)
-extern IPaddr_t NetOurDNS2IP; /* Our 2nd Domain Name Server (0 = unknown)*/
+extern IPaddr_t NetOurDNS2IP; /* Our 2nd Domain Name Server (0 = unknown) */
#endif
-extern char NetOurNISDomain[32]; /* Our NIS domain */
-extern char NetOurHostName[32]; /* Our hostname */
-extern char NetOurRootPath[64]; /* Our root path */
-extern ushort NetBootFileSize; /* Our boot file size in blocks */
+extern char NetOurNISDomain[32]; /* Our NIS domain */
+extern char NetOurHostName[32]; /* Our hostname */
+extern char NetOurRootPath[64]; /* Our root path */
+extern ushort NetBootFileSize; /* Our boot file size in blocks */
/** END OF BOOTP EXTENTIONS **/
-extern ulong NetBootFileXferSize; /* size of bootfile in bytes */
-extern uchar NetOurEther[6]; /* Our ethernet address */
-extern uchar NetServerEther[6]; /* Boot server enet address */
-extern IPaddr_t NetOurIP; /* Our IP addr (0 = unknown) */
-extern IPaddr_t NetServerIP; /* Server IP addr (0 = unknown) */
-extern volatile uchar * NetTxPacket; /* THE transmit packet */
-extern volatile uchar * NetRxPackets[PKTBUFSRX];/* Receive packets */
-extern volatile 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 ulong NetBootFileXferSize; /* size of bootfile in bytes */
+extern uchar NetOurEther[6]; /* Our ethernet address */
+extern uchar NetServerEther[6]; /* Boot server enet address */
+extern IPaddr_t NetOurIP; /* Our IP addr (0 = unknown) */
+extern IPaddr_t NetServerIP; /* Server IP addr (0 = unknown) */
+extern uchar *NetTxPacket; /* THE transmit packet */
+extern uchar *NetRxPackets[PKTBUFSRX]; /* Receive packets */
+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];
-#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 uchar NetCDPAddr[6]; /* Ethernet CDP address */
-extern ushort CDPNativeVLAN; /* CDP returned native VLAN */
-extern ushort CDPApplianceVLAN; /* CDP returned appliance VLAN */
+#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 int NetState; /* Network loop state */
+extern int NetState; /* Network loop state */
#define NETLOOP_CONTINUE 1
#define NETLOOP_RESTART 2
#define NETLOOP_SUCCESS 3
#define NETLOOP_FAIL 4
-extern int NetRestartWrap; /* Tried all network devices */
+extern int NetRestartWrap; /* Tried all network devices */
enum proto_t {
BOOTP, RARP, ARP, TFTPGET, DHCP, PING, DNS, NFS, CDP, NETCONS, SNTP,
};
/* from net/net.c */
-extern char BootFile[128]; /* Boot File name */
+extern char BootFile[128]; /* Boot File name */
#if defined(CONFIG_CMD_DNS)
extern char *NetDNSResolve; /* The host to resolve */
#endif
#if defined(CONFIG_CMD_PING)
-extern IPaddr_t NetPingIP; /* the ip address to ping */
+extern IPaddr_t NetPingIP; /* the ip address to ping */
#endif
#if defined(CONFIG_CMD_CDP)
/* when CDP completes these hold the return values */
-extern ushort CDPNativeVLAN;
-extern ushort CDPApplianceVLAN;
+extern ushort CDPNativeVLAN; /* CDP returned native VLAN */
+extern ushort CDPApplianceVLAN; /* 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)
+{
+ extern const uchar NetCDPAddr[6];
+
+ return memcmp(et_addr, NetCDPAddr, 6) == 0;
+}
#endif
#if defined(CONFIG_CMD_SNTP)
-extern IPaddr_t NetNtpServerIP; /* the ip address to NTP */
-extern int NetTimeOffset; /* offset time from UTC */
+extern IPaddr_t NetNtpServerIP; /* the ip address to NTP */
+extern int NetTimeOffset; /* offset time from UTC */
+#endif
+
+#if defined(CONFIG_MCAST_TFTP)
+extern IPaddr_t Mcast_addr;
#endif
/* Initialize the network adapter */
extern int NetEthHdrSize(void);
/* Set ethernet header; returns the size of the header */
-extern int NetSetEther(volatile uchar *, uchar *, uint);
+extern int NetSetEther(uchar *, uchar *, uint);
/* Set IP header */
-extern void NetSetIP(volatile uchar *, IPaddr_t, int, int, int);
+extern void NetSetIP(uchar *, IPaddr_t, int, int, int);
/* Checksum */
-extern int NetCksumOk(uchar *, int); /* Return true if cksum OK */
-extern uint NetCksum(uchar *, int); /* Calculate the checksum */
+extern int NetCksumOk(uchar *, int); /* Return true if cksum OK */
+extern uint NetCksum(uchar *, int); /* Calculate the checksum */
-/* Set callbacks */
-extern void NetSetHandler(rxhand_f *); /* Set RX packet handler */
+/* Callbacks */
+extern rxhand_f *NetGetHandler(void); /* Get RX packet handler */
+extern void NetSetHandler(rxhand_f *); /* Set RX packet handler */
extern void net_set_icmp_handler(rxhand_icmp_f *f); /* Set ICMP RX handler */
-extern void NetSetTimeout(ulong, thand_f *);/* Set timeout handler */
+extern void NetSetTimeout(ulong, thand_f *);/* Set timeout handler */
/* Transmit "NetTxPacket" */
-extern void NetSendPacket(volatile uchar *, int);
+extern void NetSendPacket(uchar *, int);
/* Transmit UDP packet, performing ARP request if needed */
-extern int NetSendUDPPacket(uchar *ether, IPaddr_t dest, int dport, int sport, int len);
+extern int NetSendUDPPacket(uchar *ether, IPaddr_t dest, int dport,
+ int sport, int len);
/* Processes a received packet */
-extern void NetReceive(volatile uchar *, int);
+extern void NetReceive(uchar *, int);
+
+#ifdef CONFIG_NETCONSOLE
+void NcStart(void);
+int nc_input_packet(uchar *pkt, unsigned dest, unsigned src, unsigned len);
+#endif
/*
* Check if autoload is enabled. If so, use either NFS or TFTP to download
* footprint in our tests.
*/
/* return IP *in network byteorder* */
-static inline IPaddr_t NetReadIP(volatile void *from)
+static inline IPaddr_t NetReadIP(void *from)
{
IPaddr_t ip;
- memcpy((void*)&ip, (void*)from, sizeof(ip));
+
+ memcpy((void *)&ip, (void *)from, sizeof(ip));
return ip;
}
static inline ulong NetReadLong(ulong *from)
{
ulong l;
- memcpy((void*)&l, (void*)from, sizeof(l));
+
+ memcpy((void *)&l, (void *)from, sizeof(l));
return l;
}
/* write IP *in network byteorder* */
static inline void NetWriteIP(void *to, IPaddr_t ip)
{
- memcpy(to, (void*)&ip, sizeof(ip));
+ memcpy(to, (void *)&ip, sizeof(ip));
}
/* copy IP */
-static inline void NetCopyIP(volatile void *to, void *from)
+static inline void NetCopyIP(void *to, void *from)
{
- memcpy((void*)to, from, sizeof(IPaddr_t));
+ memcpy((void *)to, from, sizeof(IPaddr_t));
}
/* copy ulong */
static inline void NetCopyLong(ulong *to, ulong *from)
{
- memcpy((void*)to, (void*)from, sizeof(ulong));
+ memcpy((void *)to, (void *)from, sizeof(ulong));
}
/**
*/
static inline int is_multicast_ether_addr(const u8 *addr)
{
- return (0x01 & addr[0]);
+ return 0x01 & addr[0];
}
/*
*/
static inline int is_broadcast_ether_addr(const u8 *addr)
{
- return (addr[0] & addr[1] & addr[2] & addr[3] & addr[4] & addr[5]) == 0xff;
+ return (addr[0] & addr[1] & addr[2] & addr[3] & addr[4] & addr[5]) ==
+ 0xff;
}
/*
}
/* Convert an IP address to a string */
-extern void ip_to_string (IPaddr_t x, char *s);
+extern void ip_to_string(IPaddr_t x, char *s);
/* Convert a string to ip address */
extern IPaddr_t string_to_ip(const char *s);
/* Convert a VLAN id to a string */
-extern void VLAN_to_string (ushort x, char *s);
+extern void VLAN_to_string(ushort x, char *s);
/* Convert a string to a vlan id */
extern ushort string_to_VLAN(const char *s);
extern ushort getenv_VLAN(char *);
/* copy a filename (allow for "..." notation, limit length) */
-extern void copy_filename (char *dst, const char *src, int size);
+extern void copy_filename(char *dst, const char *src, int size);
/* get a random source port */
extern unsigned int random_port(void);