svn commit: r264646 - head/sys/dev/netfpga10g/nf10bmac

[Bjoern A. Zeeb]

Author: bz
Date: Fri Apr 18 14:21:10 2014
New Revision: 264646
URL: http://svnweb.freebsd.org/changeset/base/264646

Log:
  Now that I figured out where the ethernet addresses come from
  on NetFPGA-10G, assign one to the interface by default in a very
  similar way.
  
  MFC after:		6 days
  X-Easter-Egg-Hunt:	yes

Modified:
  head/sys/dev/netfpga10g/nf10bmac/if_nf10bmac.c

Modified: head/sys/dev/netfpga10g/nf10bmac/if_nf10bmac.c
==============================================================================
--- head/sys/dev/netfpga10g/nf10bmac/if_nf10bmac.c	Fri Apr 18 12:51:30 2014	(r264645)
+++ head/sys/dev/netfpga10g/nf10bmac/if_nf10bmac.c	Fri Apr 18 14:21:10 2014	(r264646)
@@ -446,7 +446,25 @@ static int
 nf10bmac_reset(struct nf10bmac_softc *sc)
 {
 
-	/* Currently we cannot do anything. */
+	/*
+	 * If we do not have an ether address set, initialize to the same
+	 * OUI as NetFPGA-10G Linux driver does (which luckily seems
+	 * unallocated).  We just change the NIC specific part from
+	 * the slightly long "\0NF10C0" to "\0NFBSD".
+	 * Oh and we keep the way of setting it from a string as they do.
+	 * It's an amazing way to hide it.
+	 * XXX-BZ If NetFPGA gets their own OUI we should fix this.
+	 */
+	if (sc->nf10bmac_eth_addr[0] == 0x00 &&
+	    sc->nf10bmac_eth_addr[1] == 0x00 &&
+	    sc->nf10bmac_eth_addr[2] == 0x00 &&
+	    sc->nf10bmac_eth_addr[3] == 0x00 &&
+	    sc->nf10bmac_eth_addr[4] == 0x00 &&
+	    sc->nf10bmac_eth_addr[5] == 0x00) {
+		memcpy(&sc->nf10bmac_eth_addr, "\0NFBSD", ETHER_ADDR_LEN);
+		sc->nf10bmac_eth_addr[5] += sc->nf10bmac_unit;
+	}
+
 	return (0);
 }