#if defined(CONFIG_8xx)
#include <commproc.h>
-# if !defined(CONFIG_NET_MULTI)
-# if defined(FEC_ENET) || defined(SCC_ENET)
-# define CONFIG_NET_MULTI
-# endif
-# endif
#endif /* CONFIG_8xx */
-#if defined(CONFIG_MPC5xxx)
-# if !defined(CONFIG_NET_MULTI)
-# if defined(CONFIG_MPC5xxx_FEC)
-# define CONFIG_NET_MULTI
-# endif
-# endif
-#endif /* CONFIG_MPC5xxx */
-
-#if !defined(CONFIG_NET_MULTI) && defined(CONFIG_CPM2)
-#include <config.h>
-#if defined(CONFIG_ETHER_ON_FCC)
-#if defined(CONFIG_ETHER_ON_SCC)
-#error "Ethernet not correctly defined"
-#endif /* CONFIG_ETHER_ON_SCC */
-#define CONFIG_NET_MULTI
-#if (CONFIG_ETHER_INDEX == 1)
-#define CONFIG_ETHER_ON_FCC1
-# define CONFIG_SYS_CMXFCR_MASK1 CONFIG_SYS_CMXFCR_MASK
-# define CONFIG_SYS_CMXFCR_VALUE1 CONFIG_SYS_CMXFCR_VALUE
-#elif (CONFIG_ETHER_INDEX == 2)
-#define CONFIG_ETHER_ON_FCC2
-# define CONFIG_SYS_CMXFCR_MASK2 CONFIG_SYS_CMXFCR_MASK
-# define CONFIG_SYS_CMXFCR_VALUE2 CONFIG_SYS_CMXFCR_VALUE
-#elif (CONFIG_ETHER_INDEX == 3)
-#define CONFIG_ETHER_ON_FCC3
-# define CONFIG_SYS_CMXFCR_MASK3 CONFIG_SYS_CMXFCR_MASK
-# define CONFIG_SYS_CMXFCR_VALUE3 CONFIG_SYS_CMXFCR_VALUE
-#endif /* CONFIG_ETHER_INDEX */
-#endif /* CONFIG_ETHER_ON_FCC */
-#endif /* !CONFIG_NET_MULTI && CONFIG_8260 */
-
+#include <asm/cache.h>
#include <asm/byteorder.h> /* for nton* / ntoh* stuff */
# define PKTBUFSRX 4
#endif
-#define PKTALIGN 32
+#define PKTALIGN ARCH_DMA_MINALIGN
-typedef ulong IPaddr_t;
+/* IPv4 addresses are always 32 bits in size */
+typedef u32 IPaddr_t;
-/*
- * The current receive packet handler. Called with a pointer to the
- * application packet, and a protocol type (PORT_BOOTPC or PORT_TFTP).
- * All other packets are dealt with without calling the handler.
+/**
+ * An incoming packet handler.
+ * @param pkt pointer to the application packet
+ * @param dport destination UDP port
+ * @param sip source IP address
+ * @param sport source UDP port
+ * @param len packet length
+ */
+typedef void rxhand_f(uchar *pkt, unsigned dport,
+ IPaddr_t sip, unsigned sport,
+ unsigned len);
+
+/**
+ * An incoming ICMP packet handler.
+ * @param type ICMP type
+ * @param code ICMP code
+ * @param dport destination UDP port
+ * @param sip source IP address
+ * @param sport source UDP port
+ * @param pkt pointer to the ICMP packet data
+ * @param len packet length
*/
-typedef void rxhand_f(uchar *, unsigned, unsigned, unsigned);
+typedef void rxhand_icmp_f(unsigned type, unsigned code, unsigned dport,
+ IPaddr_t sip, unsigned sport, uchar *pkt, unsigned len);
/*
* A timeout handler. Called after time interval has expired.
*/
typedef void thand_f(void);
-#define NAMESIZE 16
-
enum eth_state_t {
ETH_STATE_INIT,
ETH_STATE_PASSIVE,
};
struct eth_device {
- char name[NAMESIZE];
+ char name[16];
unsigned char enetaddr[6];
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 *);
struct eth_device *next;
+ int index;
void *priv;
};
-extern int eth_initialize(bd_t *bis); /* Initialize network subsystem */
-extern int eth_register(struct eth_device* dev);/* Register network device */
-extern void eth_try_another(int first_restart); /* Change the device */
-#ifdef CONFIG_NET_MULTI
-extern void eth_set_current(void); /* set nterface to ethcur var. */
-#endif
-extern struct eth_device *eth_get_dev(void); /* get the current device MAC */
-extern struct eth_device *eth_get_dev_by_name(char *devname); /* get device */
-extern int eth_get_dev_index (void); /* get the device index */
-extern void eth_set_enetaddr(int num, char* a); /* Set new MAC address */
+extern int eth_initialize(bd_t *bis); /* Initialize network subsystem */
+extern int eth_register(struct eth_device* dev);/* Register network device */
+extern int eth_unregister(struct eth_device *dev);/* Remove network device */
+extern void eth_try_another(int first_restart); /* Change the device */
+extern void eth_set_current(void); /* set nterface to ethcur var */
+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 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);
+
+/*
+ * Get the hardware address for an ethernet interface .
+ * Args:
+ * base_name - base name for device (normally "eth")
+ * index - device index number (0 for first)
+ * enetaddr - returns 6 byte hardware address
+ * Returns:
+ * Return true if the address is valid.
+ */
+extern int eth_getenv_enetaddr_by_index(const char *base_name, int index,
+ uchar *enetaddr);
+
+extern int usb_eth_initialize(bd_t *bi);
+extern int eth_init(bd_t *bis); /* Initialize the device */
+extern int eth_send(void *packet, int length); /* Send a packet */
-extern int eth_init(bd_t *bis); /* Initialize the device */
-extern int eth_send(volatile 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 */
-extern char *eth_get_name(void); /* get name of current device */
+extern int eth_rx(void); /* Check for received packets */
+extern void eth_halt(void); /* stop SCC */
+extern char *eth_get_name(void); /* get name of current device */
+
+/*
+ * Set the hardware address for an ethernet interface based on 'eth%daddr'
+ * environment variable (or just 'ethaddr' if eth_number is 0).
+ * Args:
+ * base_name - base name for device (normally "eth")
+ * eth_number - value of %d (0 for first device of this type)
+ * Returns:
+ * 0 is success, non-zero is error status from driver.
+ */
+int eth_write_hwaddr(struct eth_device *dev, const char *base_name,
+ 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_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 */
+};
+
+#define IP_OFFS 0x1fff /* ip offset *= 8 */
+#define IP_FLAGS 0xe000 /* first 3 bits */
+#define IP_FLAGS_RES 0x8000 /* reserved */
+#define IP_FLAGS_DFRAG 0x4000 /* don't fragments */
+#define IP_FLAGS_MFRAG 0x2000 /* more fragments */
+
+#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 udp_dst; /* UDP destination port */
ushort udp_len; /* Length of UDP packet */
ushort udp_xsum; /* Checksum */
-} IP_t;
-
-#define IP_HDR_SIZE_NO_UDP (sizeof (IP_t) - 8)
-#define IP_HDR_SIZE (sizeof (IP_t))
+};
+#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 */
* ICMP stuff (just enough to handle (host) redirect messages)
*/
#define ICMP_ECHO_REPLY 0 /* Echo reply */
+#define ICMP_NOT_REACH 3 /* Detination unreachable */
#define ICMP_REDIRECT 5 /* Redirect (change route) */
#define ICMP_ECHO_REQUEST 8 /* Echo request */
#define ICMP_REDIR_NET 0 /* Redirect Net */
#define ICMP_REDIR_HOST 1 /* Redirect Host */
-typedef struct icmphdr {
+/* Codes for NOT_REACH */
+#define ICMP_NOT_REACH_PORT 3 /* Port unreachable */
+
+struct icmp_hdr {
uchar type;
uchar code;
ushort checksum;
ushort __unused;
ushort mtu;
} 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 * NetRxPkt; /* Current receive packet */
-extern int NetRxPktLen; /* 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
-#ifdef CONFIG_NET_MULTI
-extern int NetRestartWrap; /* Tried all network devices */
-#endif
+extern int NetRestartWrap; /* Tried all network devices */
-typedef enum { BOOTP, RARP, ARP, TFTP, DHCP, PING, DNS, NFS, CDP, NETCONS, SNTP } proto_t;
+enum proto_t {
+ BOOTP, RARP, ARP, TFTPGET, DHCP, PING, DNS, NFS, CDP, NETCONS, SNTP,
+ TFTPSRV, TFTPPUT
+};
/* 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 */
+extern char *NetDNSenvvar; /* the env var to put the ip into */
+#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 NetLoop(proto_t);
+extern int NetLoop(enum proto_t);
/* Shutdown adapters and cleanup */
extern void NetStop(void);
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 */
-extern void NetSetTimeout(ulong, thand_f *);/* Set timeout 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 */
/* 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);
-/* Print an IP address on the console */
-extern void print_IPaddr (IPaddr_t);
+#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
+ * the boot file.
+ */
+void net_auto_load(void);
/*
* The following functions are a bit ugly, but necessary to deal with
* 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];
+}
+
+/*
+ * is_broadcast_ether_addr - 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)
+{
+ 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
+ * @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
+ * a multicast address, and is not FF:FF:FF:FF:FF:FF.
+ *
+ * Return true if the address is valid.
+ */
+static inline int is_valid_ether_addr(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);
}
/* 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(char *s);
+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(char *s);
-
-/* read an IP address from a environment variable */
-extern IPaddr_t getenv_IPaddr (char *);
+extern ushort string_to_VLAN(const char *s);
/* read a VLAN id from an environment variable */
extern ushort getenv_VLAN(char *);
/* copy a filename (allow for "..." notation, limit length) */
-extern void copy_filename (char *dst, 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);
/**********************************************************************/
projects / J-u-boot.git / blobdiff