netdev - [PATCHv2 0/2] Resolve packet capturing on macvlan lowerdev

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:	Thu, 28 Apr 2011 20:22:30 -0400
From:	David Ward <david.ward@...mit.edu>
To:	<netdev@...r.kernel.org>
CC:	David Ward <david.ward@...mit.edu>,
	Patrick McHardy <kaber@...sh.net>
Subject: [PATCHv2 0/2] Resolve packet capturing on macvlan lowerdev

Change in v2: Declare variables in basic block before other code appears

The following two patches address situations where macvlan interfaces on 
the same lowerdev are created inside separate containers/namespaces, and 
traffic between these interfaces needs to be captured by monitoring the 
lowerdev outside the containers/namespaces using tcpdump or Wireshark. 
The only case where this doesn't work now is for unicast frames when the 
macvlan interfaces are operating in bridge mode; this fixes that case.

Should the dev_queue_xmit_nit function be renamed to something more 
meaningful, which would indicate its role in sending outgoing frames to 
AF_PACKET sockets? It is currently a misnomer: this function used to be 
invoked by dev_queue_xmit, but that is no longer the case.

Thanks,

David

David Ward (2):
  net: Export dev_queue_xmit_nit for use by macvlan driver
  macvlan: Send frames to AF_PACKET sockets attached to lowerdev

 drivers/net/macvlan.c     |    5 ++++-
 include/linux/netdevice.h |    2 ++
 net/core/dev.c            |   14 +++++++++-----
 3 files changed, 15 insertions(+), 6 deletions(-)

-- 
1.7.4.4

--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html