diff options
| -rw-r--r-- | extensions/ebt_vlan.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/extensions/ebt_vlan.c b/extensions/ebt_vlan.c index 382961f..297b61b 100644 --- a/extensions/ebt_vlan.c +++ b/extensions/ebt_vlan.c @@ -228,6 +228,16 @@ final_check (const struct ebt_u_entry *entry, print_error ("For use 802.1Q extension the protocol must be specified as 802_1Q"); /* + * Check if specified vlan-encap=0x8100 (802.1Q Frame) + * when vlan-encap specified. + */ + if (GET_BITMASK (EBT_VLAN_ENCAP)) { + if (vlaninfo->encap==htons(0x8100)) + print_error + ("Encapsulated frame type can not be 802.1Q (0x8100)"); + } + + /* * Check if specified vlan-id=0 (priority-tagged frame condition) * when vlan-prio was specified. */ |