#ifndef __NET_H__
#define __NET_H__
-#if defined(CONFIG_8xx)
-#include <commproc.h>
-#endif /* CONFIG_8xx */
-
#include <asm/cache.h>
#include <asm/byteorder.h> /* for nton* / ntoh* stuff */
#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;
*
* @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_...
+ * @max_speed: Maximum speed of Ethernet connection supported by MAC
*/
struct eth_pdata {
phys_addr_t iobase;
- unsigned char enetaddr[6];
+ unsigned char enetaddr[ARP_HLEN];
+ int phy_interface;
+ int max_speed;
+};
+
+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,
};
/**
* 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
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
*/
struct udevice *eth_get_dev_by_name(const char *devname);
unsigned char *eth_get_ethaddr(void); /* get the current device MAC */
+
/* Used only when NetConsole is enabled */
+int eth_is_active(struct udevice *dev); /* Test device for active state */
int eth_init_state_only(void); /* Set active state */
void eth_halt_state_only(void); /* Set passive state */
#endif
#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;
extern struct eth_device *eth_current;
-static inline __attribute__((always_inline))
-struct eth_device *eth_get_dev(void)
+static __always_inline struct eth_device *eth_get_dev(void)
{
return eth_current;
}
return NULL;
}
+/* Used only when NetConsole is enabled */
+int eth_is_active(struct eth_device *dev); /* Test device for active state */
/* Set active state */
-static inline __attribute__((always_inline)) int eth_init_state_only(void)
+static __always_inline int eth_init_state_only(void)
{
eth_get_dev()->state = ETH_STATE_ACTIVE;
return 0;
}
/* Set passive state */
-static inline __attribute__((always_inline)) void eth_halt_state_only(void)
+static __always_inline void eth_halt_state_only(void)
{
eth_get_dev()->state = ETH_STATE_PASSIVE;
}
int eth_get_dev_index(void); /* get the device index */
void eth_parse_enetaddr(const char *addr, uchar *enetaddr);
-int eth_getenv_enetaddr(char *name, uchar *enetaddr);
-int eth_setenv_enetaddr(char *name, const uchar *enetaddr);
+int eth_env_get_enetaddr(const char *name, uchar *enetaddr);
+int eth_env_set_enetaddr(const char *name, const uchar *enetaddr);
+
+/**
+ * eth_env_set_enetaddr_by_index() - set the MAC address environment variable
+ *
+ * This sets up an environment variable with the given MAC address (@enetaddr).
+ * The environment variable to be set is defined by <@base_name><@index>addr.
+ * If @index is 0 it is omitted. For common Ethernet this means ethaddr,
+ * eth1addr, etc.
+ *
+ * @base_name: Base name for variable, typically "eth"
+ * @index: Index of interface being updated (>=0)
+ * @enetaddr: Pointer to MAC address to put into the variable
+ * @return 0 if OK, other value on error
+ */
+int eth_env_set_enetaddr_by_index(const char *base_name, int index,
+ uchar *enetaddr);
+
+
+/*
+ * Initialize USB ethernet device with CONFIG_DM_ETH
+ * Returns:
+ * 0 is success, non-zero is error status.
+ */
+int usb_ether_init(void);
/*
* Get the hardware address for an ethernet interface .
* Returns:
* Return true if the address is valid.
*/
-int eth_getenv_enetaddr_by_index(const char *base_name, int index,
+int eth_env_get_enetaddr_by_index(const char *base_name, int index,
uchar *enetaddr);
int eth_init(void); /* Initialize the device */
int eth_send(void *packet, int length); /* Send a packet */
-#ifdef CONFIG_API
+#if defined(CONFIG_API) || defined(CONFIG_EFI_LOADER)
int eth_receive(void *packet, int length); /* Receive a packet*/
extern void (*push_packet)(void *packet, int length);
#endif
*/
struct ethernet_hdr {
- uchar et_dest[6]; /* Destination node */
- uchar et_src[6]; /* Source node */
- ushort 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 */
+} __attribute__((packed));
/* Ethernet header size */
#define ETHER_HDR_SIZE (sizeof(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[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 */
+} __attribute__((packed));
/* 802 + SNAP + ethernet header size */
#define E802_HDR_SIZE (sizeof(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[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 */
+} __attribute__((packed));
/* VLAN Ethernet header size */
#define VLAN_ETHER_HDR_SIZE (sizeof(struct vlan_ethernet_hdr))
#define PROT_ARP 0x0806 /* IP ARP protocol */
#define PROT_RARP 0x8035 /* IP ARP protocol */
#define PROT_VLAN 0x8100 /* IEEE 802.1q protocol */
+#define PROT_IPV6 0x86dd /* IPv6 over bluebook */
+#define PROT_PPP_SES 0x8864 /* PPPoE session messages */
#define IPPROTO_ICMP 1 /* Internet Control Message Protocol */
#define IPPROTO_UDP 17 /* User Datagram Protocol */
* 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 */
* 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)
* 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 */
-# define ARP_HLEN 6
- uchar ar_pln; /* Length of protocol address */
+ u16 ar_pro; /* Format of protocol address */
+ u8 ar_hln; /* Length of hardware 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 */
-};
+} __attribute__((packed));
#define ARP_HDR_SIZE (8+20) /* Size assuming ethernet */
#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;
-};
+} __attribute__((packed));
#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.
- * TFTP packets can be 524 bytes + IP header + ethernet header.
- * Lets be conservative, and go for 38 * 16. (Must also be
- * a multiple of 32 bytes).
- */
-/*
- * AS.HARNOIS : Better to set PKTSIZE to maximum size because
- * traffic type is not always controlled
- * maximum packet size = 1518
+ * Maximum packet size; used to allocate packet storage. Use
+ * the maxium Ethernet frame size as specified by the Ethernet
+ * standard including the 802.1Q tag (VLAN tagging).
+ * maximum packet size = 1522
* maximum packet size and multiple of 32 bytes = 1536
*/
-#define PKTSIZE 1518
+#define PKTSIZE 1522
#define PKTSIZE_ALIGN 1536
-/*#define PKTSIZE 608*/
/*
* Maximum receive ring size; that is, the number of packets
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 */
TFTPSRV, TFTPPUT, LINKLOCAL
};
-extern char net_boot_file_name[128];/* Boot File name */
+extern char net_boot_file_name[1024];/* Boot File name */
/* The actual transferred size of the bootfile (in bytes) */
extern u32 net_boot_file_size;
/* Boot file size in blocks as reported by the DHCP server */
*/
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
unsigned src_port, unsigned len);
#endif
-static inline __attribute__((always_inline)) int eth_is_on_demand_init(void)
+static __always_inline int eth_is_on_demand_init(void)
{
#ifdef CONFIG_NETCONSOLE
extern enum proto_t net_loop_last_protocol;
ushort string_to_vlan(const char *s);
/* read a VLAN id from an environment variable */
-ushort getenv_vlan(char *);
+ushort env_get_vlan(char *);
/* copy a filename (allow for "..." notation, limit length) */
void copy_filename(char *dst, const char *src, int size);
/* get a random source port */
unsigned int random_port(void);
-/* Update U-Boot over TFTP */
-int update_tftp(ulong addr);
+/**
+ * update_tftp - Update firmware over TFTP (via DFU)
+ *
+ * This function updates board's firmware via TFTP
+ *
+ * @param addr - memory address where data is stored
+ * @param interface - the DFU medium name - e.g. "mmc"
+ * @param devstring - the DFU medium number - e.g. "1"
+ *
+ * @return - 0 on success, other value on failure
+ */
+int update_tftp(ulong addr, char *interface, char *devstring);
/**********************************************************************/