svn commit: r192179 - projects/mips/sys/mips/atheros
Oleksandr Tymoshenko
gonzo at FreeBSD.org
Sat May 16 02:45:39 UTC 2009
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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