Re: [tcpdump-workers] [PATCH]: libpcap: VLAN acceleration support

2008-07-16 Thread Guy Harris
On Jul 16, 2008, at 5:10 AM, Patrick McHardy wrote: This patch adds support to libpcap to retrieve the tag from the auxillary data and reconstruct the original VLAN header, solving a major complaint about the way Linux handles VLAN offloading. Unfortunately both the website and CVS is down, so

[tcpdump-workers] [PATCH]: libpcap: VLAN acceleration support

2008-07-16 Thread Patrick McHardy
Currently libpcap can't properly deal with VLAN packets tagged or stripped by the hardware. On RX the packets are simply not visible at all (this is a pure kernel problem though), on TX without the VLAN tag. The upcoming kernel version (2.6.27) will preserve the tag on RX (its already present in