Sync if_bridge to NetBSD r1.31

Rename conflicting variables when handling SNAP Ethernet frames.

Obtained from:	NetBSD
Approved by:	mlaier (mentor)
Approved by:	re (blanket)
This commit is contained in:
Andrew Thompson 2005-06-29 19:23:32 +00:00
parent 0e8975d715
commit 49808fa4fc
Notes: svn2git 2020-12-20 02:59:44 +00:00
svn path=/head/; revision=147665

View File

@ -1,4 +1,4 @@
/* $NetBSD: if_bridge.c,v 1.24 2004/04/21 19:10:31 itojun Exp $ */
/* $NetBSD: if_bridge.c,v 1.31 2005/06/01 19:45:34 jdc Exp $ */
/*
* Copyright 2001 Wasabi Systems, Inc.
@ -2178,7 +2178,7 @@ static int bridge_pfil(struct mbuf **mp, struct ifnet *bifp,
struct ether_header *eh1, eh2;
struct ip_fw_args args;
struct ip *ip;
struct llc llc;
struct llc llc1;
u_int16_t ether_type;
snap = 0;
@ -2200,13 +2200,13 @@ static int bridge_pfil(struct mbuf **mp, struct ifnet *bifp,
* Check for SNAP/LLC.
*/
if (ether_type < ETHERMTU) {
struct llc *llc = (struct llc *)(eh1 + 1);
struct llc *llc2 = (struct llc *)(eh1 + 1);
if ((*mp)->m_len >= ETHER_HDR_LEN + 8 &&
llc->llc_dsap == LLC_SNAP_LSAP &&
llc->llc_ssap == LLC_SNAP_LSAP &&
llc->llc_control == LLC_UI) {
ether_type = htons(llc->llc_un.type_snap.ether_type);
llc2->llc_dsap == LLC_SNAP_LSAP &&
llc2->llc_ssap == LLC_SNAP_LSAP &&
llc2->llc_control == LLC_UI) {
ether_type = htons(llc2->llc_un.type_snap.ether_type);
snap = 1;
}
}
@ -2245,7 +2245,7 @@ static int bridge_pfil(struct mbuf **mp, struct ifnet *bifp,
/* Strip off snap header, if present */
if (snap) {
m_copydata(*mp, 0, sizeof(struct llc), (caddr_t) &llc);
m_copydata(*mp, 0, sizeof(struct llc), (caddr_t) &llc1);
m_adj(*mp, sizeof(struct llc));
}
@ -2382,7 +2382,7 @@ static int bridge_pfil(struct mbuf **mp, struct ifnet *bifp,
M_PREPEND(*mp, sizeof(struct llc), M_DONTWAIT);
if (*mp == NULL)
return error;
bcopy(&llc, mtod(*mp, caddr_t), sizeof(struct llc));
bcopy(&llc1, mtod(*mp, caddr_t), sizeof(struct llc));
}
M_PREPEND(*mp, ETHER_HDR_LEN, M_DONTWAIT);