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Handle SROM quirk of tulip on Cobalt RAQ2. Fixes kern/20702.

This commit is contained in:
tsutsui 2003-09-07 10:45:11 +00:00
parent 3284959051
commit 71427b1eb1
1 changed files with 14 additions and 6 deletions
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20
sys/dev/ic/tulip.c
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@ -1,4 +1,4 @@
/* $NetBSD: tulip.c,v 1.122 2003/02/26 06:31:10 matt Exp $ */
/* $NetBSD: tulip.c,v 1.123 2003/09/07 10:45:11 tsutsui Exp $ */
/*-
* Copyright (c) 1998, 1999, 2000, 2002 The NetBSD Foundation, Inc.
@ -43,7 +43,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: tulip.c,v 1.122 2003/02/26 06:31:10 matt Exp $");
__KERNEL_RCSID(0, "$NetBSD: tulip.c,v 1.123 2003/09/07 10:45:11 tsutsui Exp $");
#include "bpfilter.h"
@ -2439,15 +2439,23 @@ tlp_parse_old_srom(sc, enaddr)
u_int32_t cksum;
if (memcmp(&sc->sc_srom[0], &sc->sc_srom[16], 8) != 0) {
/*
* Cobalt Networks interfaces simply have the address
* in the first six bytes. The rest is zeroed out
* on some models, but others contain unknown data.
*/
if (sc->sc_srom[0] == 0x00 &&
sc->sc_srom[1] == 0x10 &&
sc->sc_srom[2] == 0xe0) {
memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN);
return (1);
}
/*
* Some vendors (e.g. ZNYX) don't use the standard
* DEC Address ROM format, but rather just have an
* Ethernet address in the first 6 bytes, maybe a
* 2 byte checksum, and then all 0xff's.
*
* On the other hand, Cobalt Networks interfaces
* simply have the address in the first six bytes
* with the rest zeroed out.
*/
for (i = 8; i < 32; i++) {
if (sc->sc_srom[i] != 0xff &&