X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=net%2Feth.c;h=e7f1220591cfe147fa453f36bb73a7a773375fec;hb=d61ea14885631e58a25feaa81ee82eb464c62d6a;hp=c8f92a526342ed90eca7b9c98dded00fc4c8b90f;hpb=59530af55613a8c5fac3c4e0f5fbcf2f1611c483;p=platform%2Fkernel%2Fu-boot.git

diff --git a/net/eth.c b/net/eth.c
index c8f92a5..e7f1220 100644
--- a/net/eth.c
+++ b/net/eth.c
@@ -59,6 +59,7 @@ extern int npe_initialize(bd_t *);
 extern int uec_initialize(int);
 extern int bfin_EMAC_initialize(bd_t *);
 extern int atstk1000_eth_initialize(bd_t *);
+extern int mcffec_initialize(bd_t*);
 
 static struct eth_device *eth_devices, *eth_current;
 
@@ -249,6 +250,9 @@ int eth_initialize(bd_t *bis)
 #if defined(CONFIG_ATSTK1000)
 	atstk1000_eth_initialize(bis);
 #endif
+#if defined(CONFIG_MCFFEC)
+	mcffec_initialize(bis);
+#endif
 
 	if (!eth_devices) {
 		puts ("No ethernet found.\n");
@@ -353,6 +357,51 @@ void eth_set_enetaddr(int num, char *addr) {
 
 	memcpy(dev->enetaddr, enetaddr, 6);
 }
+#ifdef CONFIG_MCAST_TFTP
+/* Multicast.
+ * mcast_addr: multicast ipaddr from which multicast Mac is made
+ * join: 1=join, 0=leave.
+ */
+int eth_mcast_join( IPaddr_t mcast_ip, u8 join)
+{
+ u8 mcast_mac[6];
+	if (!eth_current || !eth_current->mcast)
+		return -1;
+	mcast_mac[5] = htonl(mcast_ip) & 0xff;
+	mcast_mac[4] = (htonl(mcast_ip)>>8) & 0xff;
+	mcast_mac[3] = (htonl(mcast_ip)>>16) & 0x7f;
+	mcast_mac[2] = 0x5e;
+	mcast_mac[1] = 0x0;
+	mcast_mac[0] = 0x1;
+	return eth_current->mcast(eth_current, mcast_mac, join);
+}
+
+/* the 'way' for ethernet-CRC-32. Spliced in from Linux lib/crc32.c
+ * and this is the ethernet-crc method needed for TSEC -- and perhaps
+ * some other adapter -- hash tables
+ */
+#define CRCPOLY_LE 0xedb88320
+u32 ether_crc (size_t len, unsigned char const *p)
+{
+	int i;
+	u32 crc;
+	crc = ~0;
+	while (len--) {
+		crc ^= *p++;
+		for (i = 0; i < 8; i++)
+			crc = (crc >> 1) ^ ((crc & 1) ? CRCPOLY_LE : 0);
+	}
+	/* an reverse the bits, cuz of way they arrive -- last-first */
+	crc = (crc >> 16) | (crc << 16);
+	crc = (crc >> 8 & 0x00ff00ff) | (crc << 8 & 0xff00ff00);
+	crc = (crc >> 4 & 0x0f0f0f0f) | (crc << 4 & 0xf0f0f0f0);
+	crc = (crc >> 2 & 0x33333333) | (crc << 2 & 0xcccccccc);
+	crc = (crc >> 1 & 0x55555555) | (crc << 1 & 0xaaaaaaaa);
+	return crc;
+}
+
+#endif
+
 
 int eth_init(bd_t *bis)
 {