Merge with git://www.denx.de/git/u-boot.git

[platform/kernel/u-boot.git] / net / eth.c

diff --git a/net/eth.c b/net/eth.c
index c8f92a5..e7f1220 100644 (file)
--- 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)
 {