diff options
| author | Campus <campus@ntop.org> | 2017-02-21 13:04:17 +0100 |
|---|---|---|
| committer | Campus <campus@ntop.org> | 2017-02-21 13:04:17 +0100 |
| commit | c2c92b2e9bd8ac9d82b2056ed7887827679c990a (patch) | |
| tree | a52e563a0dbd1898f3d6ffcc5a50e6eb1c297bae /example/ndpi_util.c | |
| parent | e68aeb69ebedc1b6b80f3ab6797f3df9b7dc7fe3 (diff) | |
added double tagging 802.1Q in dissection of vlan pkt
Diffstat (limited to 'example/ndpi_util.c')
| -rw-r--r-- | example/ndpi_util.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/example/ndpi_util.c b/example/ndpi_util.c index 09b8c58b6..7741faf36 100644 --- a/example/ndpi_util.c +++ b/example/ndpi_util.c @@ -1,7 +1,7 @@ /* * ndpi_util.c * - * Copyright (C) 2011-16 - ntop.org + * Copyright (C) 2011-17 - ntop.org * * This file is part of nDPI, an open source deep packet inspection * library based on the OpenDPI and PACE technology by ipoque GmbH @@ -717,6 +717,12 @@ void ndpi_workflow_process_packet (struct ndpi_workflow * workflow, type = (packet[ip_offset+2] << 8) + packet[ip_offset+3]; ip_offset += 4; vlan_packet = 1; + // double tagging for 802.1Q + if(type == 0x8100) { + vlan_id = ((packet[ip_offset] << 8) + packet[ip_offset+1]) & 0xFFF; + type = (packet[ip_offset+2] << 8) + packet[ip_offset+3]; + ip_offset += 4; + } break; case MPLS_UNI: case MPLS_MULTI: |