Date: Sat, 16 May 2009 02:45:38 +0000 (UTC) From: Oleksandr Tymoshenko <gonzo@FreeBSD.org> To: src-committers@freebsd.org, svn-src-projects@freebsd.org Subject: svn commit: r192179 - projects/mips/sys/mips/atheros Message-ID: <200905160245.n4G2jcBx041950@svn.freebsd.org>
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Author: gonzo Date: Sat May 16 02:45:38 2009 New Revision: 192179 URL: http://svn.freebsd.org/changeset/base/192179 Log: - Set MAC Address obtained from RedBoot or generate random one Modified: projects/mips/sys/mips/atheros/if_arge.c Modified: projects/mips/sys/mips/atheros/if_arge.c ============================================================================== --- projects/mips/sys/mips/atheros/if_arge.c Sat May 16 02:43:24 2009 (r192178) +++ projects/mips/sys/mips/atheros/if_arge.c Sat May 16 02:45:38 2009 (r192179) @@ -153,6 +153,13 @@ DRIVER_MODULE(arge, nexus, arge_driver, DRIVER_MODULE(miibus, arge, miibus_driver, miibus_devclass, 0, 0); /* + * RedBoot passes MAC address to entry point as environment + * variable. platfrom_start parses it and stores in this variable + */ +extern uint32_t ar711_base_mac[ETHER_ADDR_LEN]; + + +/* * Flushes all */ static void @@ -183,7 +190,8 @@ arge_attach(device_t dev) struct ifnet *ifp; struct arge_softc *sc; int error = 0, rid, phynum; - uint32_t reg; + uint32_t reg, rnd; + int is_base_mac_empty, i; sc = device_get_softc(dev); sc->arge_dev = dev; @@ -269,12 +277,29 @@ arge_attach(device_t dev) ifp->if_capenable = ifp->if_capabilities; - eaddr[0] = 0x00; - eaddr[1] = 0x15; - eaddr[2] = 0x6d; - eaddr[3] = 0xc1; - eaddr[4] = 0x28; - eaddr[5] = 0x2e; + is_base_mac_empty = 1; + for (i = 0; i < ETHER_ADDR_LEN; i++) { + eaddr[i] = ar711_base_mac[i] & 0xff; + if (eaddr[i] != 0) + is_base_mac_empty = 0; + } + + if (is_base_mac_empty) { + /* + * No MAC address configured. Generate the random one. + */ + if (bootverbose) + device_printf(dev, + "Generating random ethernet address.\n"); + + rnd = arc4random(); + eaddr[0] = 'b'; + eaddr[1] = 's'; + eaddr[2] = 'd'; + eaddr[3] = (rnd >> 24) & 0xff; + eaddr[4] = (rnd >> 16) & 0xff; + eaddr[5] = (rnd >> 8) & 0xff; + } if (arge_dma_alloc(sc) != 0) { error = ENXIO;
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