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-rw-r--r--include/net.h34
1 files changed, 32 insertions, 2 deletions
diff --git a/include/net.h b/include/net.h
index 9671948..603452a 100644
--- a/include/net.h
+++ b/include/net.h
@@ -99,10 +99,12 @@ struct eth_device {
int state;
int (*init) (struct eth_device*, bd_t*);
- int (*send) (struct eth_device*, volatile void* pachet, int length);
+ int (*send) (struct eth_device*, volatile 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);
+#endif
struct eth_device *next;
void *priv;
};
@@ -124,6 +126,11 @@ 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);
+u32 ether_crc (size_t len, unsigned char const *p);
+#endif
+
/**********************************************************************/
/*
@@ -435,6 +442,29 @@ static inline void NetCopyLong(ulong *to, ulong *from)
memcpy((void*)to, (void*)from, sizeof(ulong));
}
+/**
+ * is_zero_ether_addr - Determine if give Ethernet address is all zeros.
+ * @addr: Pointer to a six-byte array containing the Ethernet address
+ *
+ * Return true if the address is all zeroes.
+ */
+static inline int is_zero_ether_addr(const u8 *addr)
+{
+ return !(addr[0] | addr[1] | addr[2] | addr[3] | addr[4] | addr[5]);
+}
+
+/**
+ * is_multicast_ether_addr - Determine if the Ethernet address is a multicast.
+ * @addr: Pointer to a six-byte array containing the Ethernet address
+ *
+ * Return true if the address is a multicast address.
+ * By definition the broadcast address is also a multicast address.
+ */
+static inline int is_multicast_ether_addr(const u8 *addr)
+{
+ return (0x01 & addr[0]);
+}
+
/* Convert an IP address to a string */
extern void ip_to_string (IPaddr_t x, char *s);