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Zero out the TX buffer when padding packet to ETHER_MIN_LEN-ETHER_CRC_LEN.

This commit is contained in:
simonb 2003-01-17 12:40:20 +00:00
parent 3c2bd2b431
commit b2e8253950
1 changed files with 8 additions and 2 deletions
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10
sys/arch/mips/alchemy/dev/if_aumac.c
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@ -1,4 +1,4 @@
/* $NetBSD: if_aumac.c,v 1.8 2003/01/16 01:14:17 simonb Exp $ */
/* $NetBSD: if_aumac.c,v 1.9 2003/01/17 12:40:20 simonb Exp $ */
/*
* Copyright (c) 2001 Wasabi Systems, Inc.
@ -46,7 +46,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: if_aumac.c,v 1.8 2003/01/16 01:14:17 simonb Exp $");
__KERNEL_RCSID(0, "$NetBSD: if_aumac.c,v 1.9 2003/01/17 12:40:20 simonb Exp $");
#include "bpfilter.h"
@ -423,6 +423,12 @@ aumac_start(struct ifnet *ifp)
m_copydata(m, 0, m->m_pkthdr.len,
sc->sc_txbufs[nexttx].buf_vaddr);
/* Zero out the remainder of any short packets. */
if (m->m_pkthdr.len < (ETHER_MIN_LEN - ETHER_CRC_LEN))
memset(sc->sc_txbufs[nexttx].buf_vaddr +
m->m_pkthdr.len, 0,
ETHER_MIN_LEN - ETHER_CRC_LEN - m->m_pkthdr.len);
bus_space_write_4(sc->sc_st, sc->sc_dma_sh,
MACDMA_TX_STAT(nexttx), 0);
bus_space_write_4(sc->sc_st, sc->sc_dma_sh,