+/* SPDX-License-Identifier: GPL-2.0 */
/*
* LiMon Monitor (LiMon) - Network.
*
* Copyright 1994 - 2000 Neil Russell.
* (See License)
- * SPDX-License-Identifier: GPL-2.0
*
* History
* 9/16/00 bor adapted to TQM823L/STK8xxL board, RARP/TFTP boot added
#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 */
+#include <linux/if_ether.h>
#define DEBUG_LL_STATE 0 /* Link local state machine changes */
#define DEBUG_DEV_PKT 0 /* Packets or info directed to the device */
#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;
*/
struct eth_pdata {
phys_addr_t iobase;
- unsigned char enetaddr[6];
+ unsigned char enetaddr[ARP_HLEN];
int phy_interface;
int max_speed;
};
#ifndef CONFIG_DM_ETH
struct eth_device {
- char name[16];
- unsigned char enetaddr[6];
+#define ETH_NAME_LEN 20
+ char name[ETH_NAME_LEN];
+ unsigned char enetaddr[ARP_HLEN];
phys_addr_t iobase;
int state;
void eth_set_current(void); /* set nterface to ethcur var */
int eth_get_dev_index(void); /* get the device index */
-void eth_parse_enetaddr(const char *addr, uchar *enetaddr);
-int eth_getenv_enetaddr(const char *name, uchar *enetaddr);
-int eth_setenv_enetaddr(const char *name, const uchar *enetaddr);
/**
- * eth_setenv_enetaddr_by_index() - set the MAC address envrionment variable
+ * 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.
* @enetaddr: Pointer to MAC address to put into the variable
* @return 0 if OK, other value on error
*/
-int eth_setenv_enetaddr_by_index(const char *base_name, int index,
+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 .
* Args:
* base_name - base name for device (normally "eth")
* 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 */
*/
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 */
+} __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 {
- 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 */
+} __attribute__((packed));
/* 802 + SNAP + ethernet header size */
#define E802_HDR_SIZE (sizeof(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 */
+} __attribute__((packed));
/* 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 */
+#define PROT_WOL 0x0842 /* ether-wake WoL protocol */
#define PROT_RARP 0x8035 /* IP ARP protocol */
#define PROT_VLAN 0x8100 /* IEEE 802.1q protocol */
#define PROT_IPV6 0x86dd /* IPv6 over bluebook */
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 */
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)
# 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 */
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 */
} frag;
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)
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 */
enum proto_t {
BOOTP, RARP, ARP, TFTPGET, DHCP, PING, DNS, NFS, CDP, NETCONS, SNTP,
- TFTPSRV, TFTPPUT, LINKLOCAL
+ TFTPSRV, TFTPPUT, LINKLOCAL, FASTBOOT, WOL
};
extern char net_boot_file_name[1024];/* Boot File name */
+/* Indicates whether the file name was specified on the command line */
+extern bool net_boot_file_name_explicit;
/* 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
int net_update_ether(struct ethernet_hdr *et, uchar *addr, uint prot);
/* Set IP header */
-void net_set_ip_header(uchar *pkt, struct in_addr dest, struct in_addr source);
+void net_set_ip_header(uchar *pkt, struct in_addr dest, struct in_addr source,
+ u16 pkt_len, u8 proto);
void net_set_udp_header(uchar *pkt, struct in_addr dest, int dport,
int sport, int len);
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 */
+bool arp_is_waiting(void); /* Waiting for ARP reply? */
void net_set_icmp_handler(rxhand_icmp_f *f); /* Set ICMP RX handler */
void net_set_timeout_handler(ulong, thand_f *);/* Set timeout handler */
net_state = state;
}
+/*
+ * net_get_async_tx_pkt_buf - Get a packet buffer that is not in use for
+ * sending an asynchronous reply
+ *
+ * returns - ptr to packet buffer
+ */
+uchar * net_get_async_tx_pkt_buf(void);
+
/* Transmit a packet */
static inline void net_send_packet(uchar *pkt, int len)
{
* @param sport Source UDP port
* @param payload_len Length of data after the UDP header
*/
+int net_send_ip_packet(uchar *ether, struct in_addr dest, int dport, int sport,
+ int payload_len, int proto, u8 action, u32 tcp_seq_num,
+ u32 tcp_ack_num);
int net_send_udp_packet(uchar *ether, struct in_addr dest, int dport,
int sport, int payload_len);
/* Processes a received packet */
void net_process_received_packet(uchar *in_packet, int len);
-#ifdef CONFIG_NETCONSOLE
+#if defined(CONFIG_NETCONSOLE) && !defined(CONFIG_SPL_BUILD)
void nc_start(void);
int nc_input_packet(uchar *pkt, struct in_addr src_ip, unsigned dest_port,
unsigned src_port, unsigned len);
static __always_inline int eth_is_on_demand_init(void)
{
-#ifdef CONFIG_NETCONSOLE
+#if defined(CONFIG_NETCONSOLE) && !defined(CONFIG_SPL_BUILD)
extern enum proto_t net_loop_last_protocol;
return net_loop_last_protocol != NETCONS;
static inline void eth_set_last_protocol(int protocol)
{
-#ifdef CONFIG_NETCONSOLE
+#if defined(CONFIG_NETCONSOLE) && !defined(CONFIG_SPL_BUILD)
extern enum proto_t net_loop_last_protocol;
net_loop_last_protocol = 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);
+/* check if serverip is specified in filename from the command line */
+int is_serverip_in_cmd(void);
+
+/**
+ * net_parse_bootfile - Parse the bootfile env var / cmd line param
+ *
+ * @param ipaddr - a pointer to the ipaddr to populate if included in bootfile
+ * @param filename - a pointer to the string to save the filename part
+ * @param max_len - The longest - 1 that the filename part can be
+ *
+ * return 1 if parsed, 0 if bootfile is empty
+ */
+int net_parse_bootfile(struct in_addr *ipaddr, char *filename, int max_len);
+
/* get a random source port */
unsigned int random_port(void);