diff options
| author | Markus Friedl <markus@cvs.openbsd.org> | 2015-02-16 18:24:03 +0000 |
|---|---|---|
| committer | Markus Friedl <markus@cvs.openbsd.org> | 2015-02-16 18:24:03 +0000 |
| commit | dbc3197b6c1271eeb8f6f686262c25b1f9a04a04 (patch) | |
| tree | b3f49d4de8d2497c42178f6fc948533f633f7ed9 /sys | |
| parent | cebfaa01c85d6e9029789b1e3d4dfd2eac9c3a7d (diff) | |
avoid double vlan-header or vlan-header for non-vlan(4) interfaces
(will panic) in bridge context; ok henning@
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/net/if_ethersubr.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/sys/net/if_ethersubr.c b/sys/net/if_ethersubr.c index 05e07b061df..b6358fd4699 100644 --- a/sys/net/if_ethersubr.c +++ b/sys/net/if_ethersubr.c @@ -1,4 +1,4 @@ -/* $OpenBSD: if_ethersubr.c,v 1.188 2015/02/09 00:21:58 dlg Exp $ */ +/* $OpenBSD: if_ethersubr.c,v 1.189 2015/02/16 18:24:02 markus Exp $ */ /* $NetBSD: if_ethersubr.c,v 1.19 1996/05/07 02:40:30 thorpej Exp $ */ /* @@ -202,6 +202,16 @@ ether_addheader(struct mbuf **m, struct ifnet *ifp, u_int16_t etype, if (prio <= 1) prio = !prio; +#if NBRIDGE > 0 + /* + * The bridge might send on non-vlan interfaces -- which + * do not need this header -- or add the vlan-header itself + * in bridge_ifenqueue -- which would add a second header. + */ + if (ifp->if_bridgeport) + (*m)->m_flags &= ~M_VLANTAG; + else +#endif /* should we use the tx tagging hw offload at all? */ if ((p->if_capabilities & IFCAP_VLAN_HWTAGGING) && (ifv->ifv_type == ETHERTYPE_VLAN)) { |