tcpdump mailing list archives

Re: [PATCH 02/04]: pcap-linux: reconstruct VLAN header from PACKET_AUXDATA

From: Guy Harris <guy () alum mit edu>
Date: Wed, 6 Aug 2008 01:32:42 -0700


On Jul 18, 2008, at 11:07 AM, Patrick McHardy wrote:

pcap-linux: reconstruct VLAN header from PACKET_AUXDATA

From: Patrick McHardy <kaber () trash net>

VLAN packets sent over devices supporting VLAN tagging/stripping in
hardwaredon't have a VLAN header when they are received on packet
sockets. The VLAN TCI is available through the PACKET_AUXDATA cmsg,
reconstruct the entire header when necessary.


Checked into the main and 1.0 branches.
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Current thread:

[PATCH 00/04]: libpcap: VLAN acceleration support Patrick McHardy (Jul 18)
- [PATCH 01/04]: pcap-linux: convert to recvmsg() Patrick McHardy (Jul 18)
  - Re: [PATCH 01/04]: pcap-linux: convert to recvmsg() Guy Harris (Aug 06)
- [PATCH 04/04]: pcap-linux: reconstruct VLAN headers from tpacket2_hdr Patrick McHardy (Jul 18)
  - Re: [PATCH 04/04]: pcap-linux: reconstruct VLAN headers from tpacket2_hdr Guy Harris (Aug 06)
- [PATCH 02/04]: pcap-linux: reconstruct VLAN header from PACKET_AUXDATA Patrick McHardy (Jul 18)
  - Re: [PATCH 02/04]: pcap-linux: reconstruct VLAN header from PACKET_AUXDATA Guy Harris (Aug 06)
- [PATCH 03/04]: pcap-linux: support new tpacket frame header format Patrick McHardy (Jul 18)
  - Re: [PATCH 03/04]: pcap-linux: support new tpacket frame header format Guy Harris (Aug 06)
- Re: [PATCH 00/04]: libpcap: VLAN acceleration support Guy Harris (Aug 06)