*
* 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
#include <asm/cache.h>
#include <asm/byteorder.h> /* for nton* / ntoh* stuff */
+#define DEBUG_LL_STATE 0 /* Link local state machine changes */
+#define DEBUG_DEV_PKT 0 /* Packets or info directed to the device */
+#define DEBUG_NET_PKT 0 /* Packets on info on the network at large */
+#define DEBUG_INT_STATE 0 /* Internal network state changes */
/*
* The number of receive packet buffers, and the required packet buffer
#define PKTALIGN ARCH_DMA_MINALIGN
/* IPv4 addresses are always 32 bits in size */
-typedef u32 IPaddr_t;
+typedef __be32 IPaddr_t;
/**
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 *, const u8 *enetaddr, u8 set);
#endif
int (*write_hwaddr) (struct eth_device *);
struct eth_device *next;
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 */
+
+/* get the current device MAC */
+extern struct eth_device *eth_current;
+
+static inline __attribute__((always_inline))
+struct eth_device *eth_get_dev(void)
+{
+ return eth_current;
+}
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_halt(void); /* stop SCC */
extern char *eth_get_name(void); /* get name of current device */
+/* Set active state */
+static inline __attribute__((always_inline)) int eth_init_state_only(bd_t *bis)
+{
+ eth_get_dev()->state = ETH_STATE_ACTIVE;
+
+ return 0;
+}
+/* Set passive state */
+static inline __attribute__((always_inline)) void eth_halt_state_only(void)
+{
+ eth_get_dev()->state = ETH_STATE_PASSIVE;
+}
+
/*
* Set the hardware address for an ethernet interface based on 'eth%daddr'
* environment variable (or just 'ethaddr' if eth_number is 0).
} echo;
ulong gateway;
struct {
- ushort __unused;
+ ushort unused;
ushort mtu;
} frag;
uchar data[0];
extern ushort NetOurVLAN; /* Our VLAN */
extern ushort NetOurNativeVLAN; /* Our Native VLAN */
-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 */
enum proto_t {
BOOTP, RARP, ARP, TFTPGET, DHCP, PING, DNS, NFS, CDP, NETCONS, SNTP,
- TFTPSRV, TFTPPUT
+ TFTPSRV, TFTPPUT, LINKLOCAL
};
/* from net/net.c */
#endif
/* Initialize the network adapter */
+extern void net_init(void);
extern int NetLoop(enum proto_t);
/* Shutdown adapters and cleanup */
/* Set ethernet header; returns the size of the header */
extern int NetSetEther(uchar *, uchar *, uint);
+extern int net_update_ether(struct ethernet_hdr *et, uchar *addr, uint prot);
/* Set IP header */
extern void net_set_ip_header(uchar *pkt, IPaddr_t dest, IPaddr_t source);
extern uint NetCksum(uchar *, int); /* Calculate the checksum */
/* Callbacks */
-extern rxhand_f *NetGetHandler(void); /* Get RX packet handler */
-extern void NetSetHandler(rxhand_f *); /* Set RX packet handler */
+extern rxhand_f *net_get_udp_handler(void); /* Get UDP RX packet handler */
+extern void net_set_udp_handler(rxhand_f *); /* Set UDP RX packet handler */
+extern rxhand_f *net_get_arp_handler(void); /* Get ARP RX packet handler */
+extern void net_set_arp_handler(rxhand_f *); /* Set ARP 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" */
+/* Network loop state */
+enum net_loop_state {
+ NETLOOP_CONTINUE,
+ NETLOOP_RESTART,
+ NETLOOP_SUCCESS,
+ NETLOOP_FAIL
+};
+extern enum net_loop_state net_state;
+
+static inline void net_set_state(enum net_loop_state state)
+{
+ debug_cond(DEBUG_INT_STATE, "--- NetState set to %d\n", state);
+ net_state = state;
+}
+
+/* Transmit a packet */
static inline void NetSendPacket(uchar *pkt, int len)
{
(void) eth_send(pkt, len);
}
/*
- * Transmit UDP packet, performing ARP request if needed
+ * Transmit "NetTxPacket" as UDP packet, performing ARP request if needed
+ * (ether will be populated)
*
* @param ether Raw packet buffer
* @param dest IP address to send the datagram to
* @param sport Source UDP port
* @param payload_len Length of data after the UDP header
*/
-extern int NetSendUDPPacket(uchar *ether, IPaddr_t dest, int dport,
+extern int NetSendUDPPacket(uchar *ether, IPaddr_t dest, int dport,
int sport, int payload_len);
/* Processes a received packet */
#ifdef CONFIG_NETCONSOLE
void NcStart(void);
-int nc_input_packet(uchar *pkt, unsigned dest, unsigned src, unsigned len);
+int nc_input_packet(uchar *pkt, IPaddr_t src_ip, unsigned dest_port,
+ unsigned src_port, unsigned len);
+#endif
+
+static inline __attribute__((always_inline)) int eth_is_on_demand_init(void)
+{
+#ifdef CONFIG_NETCONSOLE
+ extern enum proto_t net_loop_last_protocol;
+
+ return net_loop_last_protocol != NETCONS;
+#else
+ return 1;
+#endif
+}
+
+static inline void eth_set_last_protocol(int protocol)
+{
+#ifdef CONFIG_NETCONSOLE
+ extern enum proto_t net_loop_last_protocol;
+
+ net_loop_last_protocol = protocol;
#endif
+}
/*
* Check if autoload is enabled. If so, use either NFS or TFTP to download
return !is_multicast_ether_addr(addr) && !is_zero_ether_addr(addr);
}
+/**
+ * eth_random_addr - 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)
+{
+ int i;
+ unsigned int seed = get_timer(0);
+
+ for (i = 0; i < 6; i++)
+ addr[i] = rand_r(&seed);
+
+ addr[0] &= 0xfe; /* clear multicast bit */
+ addr[0] |= 0x02; /* set local assignment bit (IEEE802) */
+}
+
/* Convert an IP address to a string */
extern void ip_to_string(IPaddr_t x, char *s);
/* get a random source port */
extern unsigned int random_port(void);
+/* Update U-Boot over TFTP */
+extern int update_tftp(ulong addr);
+
/**********************************************************************/
#endif /* __NET_H__ */