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2013-05-31ring: move duplicate/generic code parts from rx/tx into ring.cDaniel Borkmann1-37/+6
We do not want to maintain duplicate code, so move this into a separate file and name those *_generic() helpers. Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
2013-05-31ring: implement setup of tpacket v3 ringDaniel Borkmann1-3/+7
Implement ring setup routines and structures for TPACKET_V3. Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
2013-05-30ring: setup_{rx,tx}_ring_layout: use bool for jumbo_supportDaniel Borkmann1-1/+1
There's no good reason why we currently waste an 'int' for jumbo_support while this must better be done as 'bool'. Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
2013-05-30ring: prepare setup_rx_ring_layout for support in v2/v3Daniel Borkmann1-5/+13
Prepare setup_rx_ring_layout for both, v2 and v3. Also do some checks during compile time if offsets stay the same as we operate on different union mappings. Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
2013-05-30ring: set_sockopt_tpacket: rename to set_sockopt_tpacket_v2Daniel Borkmann1-1/+1
Rename it to set_sockopt_tpacket_v2 so that we later on can also add other versions and have it clearly stated which one we use. Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
2013-03-28ring: purge timer before we unmap tx ring buffersDaniel Borkmann1-1/+1
If we unmap TX ring buffers and still have timer shots that trigger the kernel to traverse the TX_RING, it can send out random crap in some situations. Prevent this by destroying the timer and flush the TX_RING first in wait mode. Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
2013-03-19ring: first unmap, then destroy ring bufferDaniel Borkmann1-4/+3
In both, the RX_RING and TX_RING we need to unmap first and then destroy the buffer, otherwise, we get a device or resource busy. Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
2013-03-16ring: check return value of setsockoptDaniel Borkmann1-2/+7
If something screws up, which is rather unlikely, but if it happens, let the user know. Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
2013-03-15all: import netsniff-ng 0.5.8-rc0 sourceDaniel Borkmann1-0/+130
We decided to get rid of the old Git history and start a new one for several reasons: *) Allow / enforce only high-quality commits (which was not the case for many commits in the history), have a policy that is more close to the one from the Linux kernel. With high quality commits, we mean code that is logically split into commits and commit messages that are signed-off and have a proper subject and message body. We do not allow automatic Github merges anymore, since they are total bullshit. However, we will either cherry-pick your patches or pull them manually. *) The old archive was about ~27MB for no particular good reason. This basically derived from the bad decision that also some PDF files where stored there. From this moment onwards, no binary objects are allowed to be stored in this repository anymore. The old archive is not wiped away from the Internet. You will still be able to find it, e.g. on git.cryptoism.org etc. Signed-off-by: Daniel Borkmann <dborkman@redhat.com> Signed-off-by: Tobias Klauser <tklauser@distanz.ch>