bsd/net/bpf.c

194 static int	bpf_setif(struct bpf_d *, ifnet_t ifp, u_int32_t dlt);
211 static int bpf_tap_callback(struct ifnet *ifp, struct mbuf *m);
484 		/* Find the default bpf entry for this ifp */
514 	struct ifnet  *ifp;
516 	ifp = d->bd_bif->bif_ifp;
533 			dlil_set_bpf_tap(ifp, BPF_TAP_DISABLE, NULL);
535 			bp->bif_tap(ifp, bp->bif_dlt, BPF_TAP_DISABLE);
538 			if (bp->bif_ifp == ifp && bp->bif_dlist != 0)
541 			ifp->if_bpf = NULL;
551 		if (ifnet_set_promiscuous(ifp, 0)) {
1054 	struct ifnet *ifp;
1074 	ifp = d->bd_bif->bif_ifp;
1076 	if ((ifp->if_flags & IFF_UP) == 0) {
1119 	if ((unsigned)datlen > ifp->if_mtu) {
1136 			error = d->bd_bif->bif_send(ifp, d->bd_bif->bif_dlt, m);
1138 			error = dlil_output(ifp, 0, m, NULL, NULL, 1, NULL);
1140 		error = dlil_output(ifp, PF_INET, m, NULL,
1235 			struct ifnet *ifp;
1240 				ifp = d->bd_bif->bif_ifp;
1241 				error = ifnet_ioctl(ifp, 0, cmd, addr);
1362 			struct ifnet *const ifp = d->bd_bif->bif_ifp;
1365 			    sizeof (ifr.ifr_name), "%s%d", ifp->if_name,
1366 			    ifp->if_unit);
1374 		ifnet_t	ifp;
1378 		ifp = ifunit(ifr.ifr_name);
1379 		if (ifp == NULL)
1382 			error = bpf_setif(d, ifp, 0);
1630 		struct ifnet *ifp = bp->bif_ifp;
1632 		if (ifp == 0 || ifp != theywant || (dlt != 0 && dlt != bp->bif_dlt))
1673 	struct ifnet	*ifp;
1685 	ifp = d->bd_bif->bif_ifp;
1689 		if (bp->bif_ifp != ifp)
1718 	struct ifnet *ifp;
1723 	ifp = d->bd_bif->bif_ifp;
1725 		if (bp->bif_ifp == ifp && bp->bif_dlt == dlt)
1974 	ifnet_t		ifp,
1997 	if (ifp->if_bpf == NULL) {
2001 	bp = ifp->if_bpf;
2002 	for (bp = ifp->if_bpf; bp && bp->bif_ifp == ifp &&
2005 	if (bp && bp->bif_ifp == ifp && bp->bif_dlist != NULL) {
2059 	ifnet_t		ifp,
2065 	bpf_tap_imp(ifp, dlt, m, hdr, hlen, 1);
2070 	ifnet_t		ifp,
2076 	bpf_tap_imp(ifp, dlt, m, hdr, hlen, 0);
2080 static int bpf_tap_callback(struct ifnet *ifp, struct mbuf *m)
2082 	bpf_tap_imp(ifp, 0, m, NULL, 0, mbuf_pkthdr_rcvif(m) == NULL);
2242 bpfattach(struct ifnet *ifp, u_int dlt, u_int hdrlen)
2244 	bpf_attach(ifp, dlt, hdrlen, NULL, NULL);
2249 	ifnet_t			ifp,
2269 	for (bp_temp = bpf_iflist; bp_temp && (bp_temp->bif_ifp != ifp ||
2271 		 if (bp_temp->bif_ifp == ifp && bp_first == NULL)
2277 			ifp->if_name, ifp->if_unit, dlt);
2284 	bp_new->bif_ifp = ifp;
2290 		/* No other entries for this ifp */
2311 	ifnet_reference(ifp);
2317 		printf("bpf: %s%d attached\n", ifp->if_name, ifp->if_unit);
2330 bpfdetach(struct ifnet *ifp)
2343 		if (ifp != bp->bif_ifp) {
2362 		ifnet_release(ifp);