We occasionally will try to set up the multicast filter in a context that

kmem(9) is unusable (such as transmit timeout). Thus, put the filter table
on the stack instead, all 528 bytes of it.
This commit is contained in:
jakllsch 2011-09-01 14:46:23 +00:00
parent 74623c9c5f
commit 883c2687f6
1 changed files with 6 additions and 10 deletions

View File

@ -1,4 +1,4 @@
/* $NetBSD: if_mvgbe.c,v 1.11 2011/09/01 14:39:03 jakllsch Exp $ */
/* $NetBSD: if_mvgbe.c,v 1.12 2011/09/01 14:46:23 jakllsch Exp $ */
/*
* Copyright (c) 2007, 2008 KIYOHARA Takashi
* All rights reserved.
@ -25,7 +25,7 @@
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: if_mvgbe.c,v 1.11 2011/09/01 14:39:03 jakllsch Exp $");
__KERNEL_RCSID(0, "$NetBSD: if_mvgbe.c,v 1.12 2011/09/01 14:46:23 jakllsch Exp $");
#include "rnd.h"
@ -1842,14 +1842,14 @@ mvgbe_filter_setup(struct mvgbe_softc *sc)
struct ifnet *ifp= &sc->sc_ethercom.ec_if;
struct ether_multi *enm;
struct ether_multistep step;
uint32_t *dfut, *dfsmt, *dfomt;
uint32_t dfut[MVGBE_NDFUT], dfsmt[MVGBE_NDFSMT], dfomt[MVGBE_NDFOMT];
uint32_t pxc;
int i;
const uint8_t special[ETHER_ADDR_LEN] = {0x01,0x00,0x5e,0x00,0x00,0x00};
dfut = kmem_zalloc(sizeof(*dfut) * MVGBE_NDFUT, KM_SLEEP);
dfsmt = kmem_zalloc(sizeof(*dfsmt) * MVGBE_NDFSMT, KM_SLEEP);
dfomt = kmem_zalloc(sizeof(*dfomt) * MVGBE_NDFOMT, KM_SLEEP);
memset(dfut, 0, sizeof(dfut));
memset(dfsmt, 0, sizeof(dfsmt));
memset(dfomt, 0, sizeof(dfomt));
if (ifp->if_flags & (IFF_ALLMULTI|IFF_PROMISC)) {
goto allmulti;
@ -1907,10 +1907,6 @@ set:
/* Set Destination Address Filter Multicast Tables */
MVGBE_WRITE_FILTER(sc, MVGBE_DFSMT, dfsmt, MVGBE_NDFSMT);
MVGBE_WRITE_FILTER(sc, MVGBE_DFOMT, dfomt, MVGBE_NDFOMT);
kmem_free(dfut, sizeof(dfut[0]) * MVGBE_NDFUT);
kmem_free(dfsmt, sizeof(dfsmt[0]) * MVGBE_NDFSMT);
kmem_free(dfomt, sizeof(dfsmt[0]) * MVGBE_NDFOMT);
}
#ifdef MVGBE_DEBUG