diff options
Diffstat (limited to 'sys/net')
| -rw-r--r-- | sys/net/if_vlan.c | 75 | ||||
| -rw-r--r-- | sys/net/if_vlan_var.h | 3 |
2 files changed, 6 insertions, 72 deletions
diff --git a/sys/net/if_vlan.c b/sys/net/if_vlan.c index 5c171d3b08d..376db014ef0 100644 --- a/sys/net/if_vlan.c +++ b/sys/net/if_vlan.c @@ -1,4 +1,4 @@ -/* $OpenBSD: if_vlan.c,v 1.57 2005/07/18 19:18:33 camield Exp $ */ +/* $OpenBSD: if_vlan.c,v 1.58 2005/07/19 11:50:20 camield Exp $ */ /* * Copyright 1998 Massachusetts Institute of Technology @@ -42,12 +42,10 @@ * if_start(), rewrite them for use by the real outgoing interface, * and ask it to send them. * - * Some devices support 802.1Q tag insertion and extraction in firmware. - * The vlan interface behavior changes when the IFCAP_VLAN_HWTAGGING - * capability is set on the parent. In this case, vlan_start() will not - * modify the ethernet header. On input, the parent can call vlan_input_tag() - * directly in order to supply us with an incoming mbuf and the vlan - * tag value that goes with it. + * Some devices support 802.1Q tag insertion in firmware. The + * vlan interface behavior changes when the IFCAP_VLAN_HWTAGGING + * capability is set on the parent. In this case, vlan_start() + * will not modify the ethernet header. */ #include "vlan.h" @@ -256,69 +254,6 @@ vlan_start(struct ifnet *ifp) return; } -int -vlan_input_tag(struct mbuf *m, u_int16_t t) -{ - struct ifvlan *ifv; - struct ether_vlan_header vh; - - t = EVL_VLANOFTAG(t); - LIST_FOREACH(ifv, &vlan_tagh[TAG_HASH(t)], ifv_list) { - if (m->m_pkthdr.rcvif == ifv->ifv_p && t == ifv->ifv_tag) - break; - } - - if (ifv == NULL) { - if (m->m_pkthdr.len < ETHER_HDR_LEN) { - m_freem(m); - return (-1); - } - m_copydata(m, 0, ETHER_HDR_LEN, (caddr_t)&vh); - vh.evl_proto = vh.evl_encap_proto; - vh.evl_tag = htons(t); - vh.evl_encap_proto = htons(ETHERTYPE_VLAN); - m_adj(m, ETHER_HDR_LEN); - m = m_prepend(m, sizeof(struct ether_vlan_header), M_DONTWAIT); - if (m == NULL) - return (-1); - m->m_pkthdr.len += sizeof(struct ether_vlan_header); - if (m->m_len < sizeof(struct ether_vlan_header) && - (m = m_pullup(m, sizeof(struct ether_vlan_header))) == NULL) - return (-1); - m_copyback(m, 0, sizeof(struct ether_vlan_header), &vh); - ether_input_mbuf(m->m_pkthdr.rcvif, m); - return (-1); - } - - if ((ifv->ifv_if.if_flags & (IFF_UP|IFF_RUNNING)) != - (IFF_UP|IFF_RUNNING)) { - m_freem(m); - return (-1); - } - - /* - * Having found a valid vlan interface corresponding to - * the given source interface and vlan tag, run the - * the real packet through ether_input(). - */ - m->m_pkthdr.rcvif = &ifv->ifv_if; - -#if NBPFILTER > 0 - if (ifv->ifv_if.if_bpf) { - /* - * Do the usual BPF fakery. Note that we don't support - * promiscuous mode here, since it would require the - * drivers to know about VLANs and we're not ready for - * that yet. - */ - bpf_mtap(ifv->ifv_if.if_bpf, m); - } -#endif - ifv->ifv_if.if_ipackets++; - ether_input_mbuf(&ifv->ifv_if, m); - return 0; -} - /* * vlan_input() returns 0 if it has consumed the packet, 1 otherwise. */ diff --git a/sys/net/if_vlan_var.h b/sys/net/if_vlan_var.h index 9de6e6b4a26..5b3f334fa0a 100644 --- a/sys/net/if_vlan_var.h +++ b/sys/net/if_vlan_var.h @@ -1,4 +1,4 @@ -/* $OpenBSD: if_vlan_var.h,v 1.15 2005/06/07 17:35:17 camield Exp $ */ +/* $OpenBSD: if_vlan_var.h,v 1.16 2005/07/19 11:50:20 camield Exp $ */ /* * Copyright 1998 Massachusetts Institute of Technology @@ -93,6 +93,5 @@ struct vlanreq { #ifdef _KERNEL extern int vlan_input(struct ether_header *eh, struct mbuf *m); -extern int vlan_input_tag(struct mbuf *m, u_int16_t t); #endif /* _KERNEL */ #endif /* _NET_IF_VLAN_VAR_H_ */ |