summaryrefslogtreecommitdiff
path: root/include/net.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/net.h')
-rw-r--r--include/net.h47
1 files changed, 32 insertions, 15 deletions
diff --git a/include/net.h b/include/net.h
index d2d394f..b192db1 100644
--- a/include/net.h
+++ b/include/net.h
@@ -109,25 +109,26 @@ struct eth_device {
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 */
+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. */
+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_init(bd_t *bis); /* Initialize the device */
-extern int eth_send(volatile void *packet, int length); /* Send a packet */
+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 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_set_enetaddr(int num, char* a); /* Set new MAC address */
+
+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(volatile void *packet, int length); /* Receive a packet*/
#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 */
#ifdef CONFIG_MCAST_TFTP
int eth_mcast_join( IPaddr_t mcast_addr, u8 join);
@@ -474,6 +475,22 @@ static inline int is_multicast_ether_addr(const u8 *addr)
return (0x01 & addr[0]);
}
+/**
+ * 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);