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Code Issues Releases Activity

- Set MAC Address obtained from RedBoot or generate random one

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This commit is contained in:
Oleksandr Tymoshenko 2009-05-16 02:45:38 +00:00
parent 89616da3f5
commit b665f0d4b7
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/projects/mips/; revision=192179
1 changed files with 32 additions and 7 deletions
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39
sys/mips/atheros/if_arge.c
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@ -152,6 +152,13 @@ static devclass_t arge_devclass;
DRIVER_MODULE(arge, nexus, arge_driver, arge_devclass, 0, 0);
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
*/
@ -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;