On Sat, Nov 17, 2012 at 11:14 PM, Michael Richardson wrote:
>
> Thank you for this reply.
>
>> "Eric" == Eric W Biederman writes:
> Eric> I don't see any need to add any kernel code to allow checking
> Eric> if vlan tags are stripped. Vlan headers are stripped on all
> Eric> kern
On 12/12/2012 10:53 PM, Ani Sinha wrote:
unsigned int netdev_8021q_inskb = 1;
...
{
.ctl_name = NET_CORE_8021q_INSKB,
.procname = "netdev_8021q_inskb",
.data = &netdev_8021q_inskb,
.maxlen = siz
On Thu, Dec 13, 2012 at 6:34 PM, Ani Sinha wrote:
> On Thu, Dec 13, 2012 at 12:35 AM, Daniel Borkmann wrote:
>> On 12/12/2012 10:53 PM, Ani Sinha wrote:
>>>>
>>>> unsigned int netdev_8021q_inskb = 1;
>>>>
>>>> ...
>>>>
On Mon, Dec 17, 2012 at 11:35 AM, Guy Harris wrote:
> On Dec 17, 2012, at 1:50 AM, "David Laight" wrote:
>
>> How are you going to tell whether a feature is present in a non-Linux
>> kernel ?
>
> The Linux memory-mapped capture mechanism is not present in a non-Linux
> kernel, so all the libpcap
On 01/11/2013 03:37 AM, Paul Pearce wrote:
My opinion as a kernel developer is that the network tap is here to have
a copy of the exact frame given to the _device_.
Agreed.
Good: as someone who spends lots of time with tcpdump doing both network
and protocol diagnostics, it's really important
On 02/15/2013 08:20 AM, Eric W. Biederman wrote:
Tue, Jan 08, 2013 at 01:05:39AM CET, pea...@cs.berkeley.edu wrote:
Hello folks,
PROBLEM:
vlan tagged packets that are injected via software are not picked up
by filters using recent (kernel commit
f3335031b9452baebfe49b8b5e55d3fe0c4677d1)
BPF vl
nlmon0
rmmod nlmon
Signed-off-by: Daniel Borkmann
CC: Thomas Graf
CC: Tobias Klauser
---
pcap-common.c | 7 ++-
pcap/bpf.h| 7 ++-
2 files changed, 12 insertions(+), 2 deletions(-)
diff --git a/pcap-common.c b/pcap-common.c
index 6175a5a..f26d22e 100644
--- a/pcap-common.c
+++ b/pcap
On 07/19/2013 08:23 PM, Guy Harris wrote:
On Jul 3, 2013, at 3:49 AM, Daniel Borkmann wrote:
For pcap interoperability, introduce a common link type for netlink
captures.
What do the link-layer headers for this look like?
That is struct nlmsghdr, found in include/uapi/linux/netlink.h
nlmon
For pcap interoperability, introduce a common link type for netlink
captures and map to it for ARPHRD_NETLINK.
Signed-off-by: Daniel Borkmann
CC: Thomas Graf
CC: Tobias Klauser
---
v1->v2:
- Do ARPHRD to DLT mapping
- Rebase on latest Git tree
pcap-common.c | 7 ++-
p
On 08/06/2013 12:29 AM, Guy Harris wrote:
On Jul 24, 2013, at 2:26 AM, Daniel Borkmann wrote:
With upcoming Linux 3.11, we have the possibility to debug local netlink
traffic [1] i.e. the workflow looks like this:
Setup:
modprobe nlmon
ip link add type nlmon
ip link set nlmon0 up
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