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Bring ng_iface up-to-date with what has happenned to the bpf code.

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This commit is contained in:
Julian Elischer 1999-10-25 22:36:39 +00:00
parent 06e36c4d7b
commit 382667d313
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=52498
1 changed files with 17 additions and 30 deletions
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47
sys/netgraph/ng_iface.c
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@ -103,12 +103,7 @@
#include <netns/ns_if.h>
#endif
#include "bpfilter.h"
#if NBPFILTER > 0
#include <net/bpf.h>
#include <net/bpfdesc.h>
#endif
/* This struct describes one address family */
struct iffam {
@ -135,7 +130,7 @@ const static struct iffam gFamilies[] = {
NG_IFACE_HOOK_INET,
AF_INET,
NETISR_NONE,
ip_input
{ ip_input }
},
#endif
#ifdef NETATALK
@ -143,7 +138,7 @@ const static struct iffam gFamilies[] = {
NG_IFACE_HOOK_ATALK,
AF_APPLETALK,
NETISR_ATALK,
&atintrq2
{ &atintrq2 }
},
#endif
#ifdef IPX
@ -151,7 +146,7 @@ const static struct iffam gFamilies[] = {
NG_IFACE_HOOK_IPX,
AF_IPX,
NETISR_IPX,
&ipxintrq
{ &ipxintrq }
},
#endif
#ifdef NS
@ -159,7 +154,7 @@ const static struct iffam gFamilies[] = {
NG_IFACE_HOOK_NS,
AF_NS,
NETISR_NS,
&nsintrq
{ &nsintrq }
},
#endif
};
@ -179,9 +174,7 @@ static void ng_iface_start(struct ifnet *ifp);
static int ng_iface_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data);
static int ng_iface_output(struct ifnet *ifp, struct mbuf *m0,
struct sockaddr *dst, struct rtentry *rt0);
#if NBPFILTER > 0
static void ng_iface_bpftap(struct ifnet *ifp, struct mbuf *m, u_int af);
#endif
#ifdef DEBUG
static void ng_iface_print_ioctl(struct ifnet *ifp, int cmd, caddr_t data);
#endif
@ -373,9 +366,7 @@ ng_iface_output(struct ifnet *ifp, struct mbuf *m,
}
/* Berkeley packet filter */
#if NBPFILTER > 0
ng_iface_bpftap(ifp, m, dst->sa_family);
#endif
/* Check address family to determine hook (if known) */
if (iffam == NULL) {
@ -409,7 +400,6 @@ ng_iface_start(struct ifnet *ifp)
printf("%s%d: %s called?", ifp->if_name, ifp->if_unit, __FUNCTION__);
}
#if NBPFILTER > 0
/*
* Flash a packet by the BPF (requires prepending 4 byte AF header)
* Note the phoney mbuf; this is OK because BPF treats it read-only.
@ -419,20 +409,21 @@ ng_iface_bpftap(struct ifnet *ifp, struct mbuf *m, u_int af)
{
struct mbuf m2;
if (af == AF_UNSPEC) {
af = *(mtod(m, int *));
m->m_len -= sizeof(int);
m->m_pkthdr.len -= sizeof(int);
m->m_data += sizeof(int);
if (ifp->if_bpf) {
if (af == AF_UNSPEC) {
af = *(mtod(m, int *));
m->m_len -= sizeof(int);
m->m_pkthdr.len -= sizeof(int);
m->m_data += sizeof(int);
}
if (!ifp->if_bpf)
return;
m2.m_next = m;
m2.m_len = 4;
m2.m_data = (char *) &af;
bpf_mtap(ifp, &m2);
}
if (!ifp->if_bpf)
return;
m2.m_next = m;
m2.m_len = 4;
m2.m_data = (char *) &af;
bpf_mtap(ifp, &m2);
}
#endif /* NBPFILTER > 0 */
#ifdef DEBUG
/*
@ -536,9 +527,7 @@ ng_iface_constructor(node_p *nodep)
/* Attach the interface */
if_attach(ifp);
#if NBPFILTER > 0
bpfattach(ifp, DLT_NULL, sizeof(u_int));
#endif
/* Done */
return (0);
@ -713,10 +702,8 @@ ng_iface_rcvdata(hook_p hook, struct mbuf *m, meta_p meta)
/* Note receiving interface */
m->m_pkthdr.rcvif = ifp;
#if NBPFILTER > 0
/* Berkeley packet filter */
ng_iface_bpftap(ifp, m, iffam->af);
#endif
/* Ignore any meta-data */
NG_FREE_META(meta);