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Fix some broken packet length checks. Really (no, I mean really) works now

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after the ether_input() changes -- tested on my Quadra 650.
This commit is contained in:
thorpej 1999-05-24 21:53:42 +00:00
parent 0d2425a0c8
commit cba22525ce
1 changed files with 6 additions and 5 deletions
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11
sys/arch/mac68k/dev/if_sn.c
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@ -1,4 +1,4 @@
/* $NetBSD: if_sn.c,v 1.22 1999/05/21 21:48:28 thorpej Exp $ */
/* $NetBSD: if_sn.c,v 1.23 1999/05/24 21:53:42 thorpej Exp $ */
/*
* National Semiconductor DP8393X SONIC Driver
@ -600,10 +600,10 @@ sonicput(sc, m0, mtd_next)
SWO(sc->bitmode, txp, TXP_FRAGOFF + (0 * TXP_FRAGSIZE) + TXP_FPTRHI,
UPPER(mtdp->mtd_vbuf));
if (totlen < ETHERMIN + sizeof(struct ether_header)) {
int pad = ETHERMIN + sizeof(struct ether_header) - totlen;
if (totlen < ETHERMIN + ETHER_HDR_LEN) {
int pad = ETHERMIN + ETHER_HDR_LEN - totlen;
bzero(mtdp->mtd_buf + totlen, pad);
totlen = ETHERMIN + sizeof(struct ether_header);
totlen = ETHERMIN + ETHER_HDR_LEN;
}
SWO(sc->bitmode, txp, TXP_FRAGOFF + (0 * TXP_FRAGSIZE) + TXP_FSIZE,
@ -1114,7 +1114,8 @@ sonic_read(sc, pkt, len)
}
#endif /* SNDEBUG */
if (len < ETHERMIN || len > ETHERMTU) {
if (len < (ETHER_MIN_LEN - ETHER_CRC_LEN) ||
len > (ETHER_MAX_LEN - ETHER_CRC_LEN)) {
printf("%s: invalid packet length %d bytes\n",
sc->sc_dev.dv_xname, len);
return (0);