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in ofnet_read(), interpret returns of either -2 or 0 from OF_read() as 

meaning that there is no packet available.  the OF spec reportedly
says that it's supposed to return 0 in this case, but my Firepower box
uses -2, so this is probably another of those FIRMWORKSBUGS things.
we'll accept both values in any case.
This commit is contained in:
chs 2002-10-22 06:28:50 +00:00
parent f17273fd1e
commit cb1254e9a1
1 changed files with 5 additions and 8 deletions
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13
sys/dev/ofw/ofnet.c
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@ -1,4 +1,4 @@
/* $NetBSD: ofnet.c,v 1.29 2002/10/02 16:34:34 thorpej Exp $ */
/* $NetBSD: ofnet.c,v 1.30 2002/10/22 06:28:50 chs Exp $ */
/*
* Copyright (C) 1995, 1996 Wolfgang Solfrank.
@ -32,7 +32,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: ofnet.c,v 1.29 2002/10/02 16:34:34 thorpej Exp $");
__KERNEL_RCSID(0, "$NetBSD: ofnet.c,v 1.30 2002/10/22 06:28:50 chs Exp $");
#include "ofnet.h"
#include "opt_inet.h"
@ -181,12 +181,9 @@ ofnet_read(struct ofnet_softc *of)
ipkdbrint(kifp, ifp);
#endif
for (;;) {
if ((len = OF_read(of->sc_ihandle, buf, sizeof buf)) < 0) {
if (len == -2 || len == 0)
break;
ifp->if_ierrors++;
continue;
}
len = OF_read(of->sc_ihandle, buf, sizeof buf);
if (len == -2 || len == 0)
break;
if (len < sizeof(struct ether_header)) {
ifp->if_ierrors++;
continue;