diff options
Diffstat (limited to 'sys/net/if_vlan.c')
| -rw-r--r-- | sys/net/if_vlan.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/sys/net/if_vlan.c b/sys/net/if_vlan.c index e9e1c82cb688..61000018e5a4 100644 --- a/sys/net/if_vlan.c +++ b/sys/net/if_vlan.c @@ -1673,6 +1673,7 @@ vlan_config(struct ifvlan *ifv, struct ifnet *p, uint16_t vid, */ if (p->if_type != IFT_ETHER && p->if_type != IFT_L2VLAN && + p->if_type != IFT_BRIDGE && (p->if_capenable & IFCAP_VLAN_HWTAGGING) == 0) return (EPROTONOSUPPORT); if ((p->if_flags & VLAN_IFFLAGS) != VLAN_IFFLAGS) @@ -2335,6 +2336,18 @@ vlan_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) error = ENOENT; break; } + + /* + * If the ifp is in a bridge, do not allow setting the device + * to a bridge; this prevents having a bridge SVI as a bridge + * member (which is not permitted). + */ + if (ifp->if_bridge != NULL && p->if_type == IFT_BRIDGE) { + if_rele(p); + error = EINVAL; + break; + } + if (vlr.vlr_proto == 0) vlr.vlr_proto = ETHERTYPE_VLAN; oldmtu = ifp->if_mtu; |