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2016-06-02net: handle optional VLAN header in checksum computation.Jean-Christophe Dubois
Signed-off-by: Jean-Christophe Dubois <jcd@tribudubois.net> Signed-off-by: Jason Wang <jasowang@redhat.com>
2016-06-02net: improve UDP/TCP checksum computation.Jean-Christophe Dubois
* based on Eth, UDP, TCP struct present in eth.h instead of hardcoded indexes and sizes. * based on various macros present in eth.h. Signed-off-by: Jean-Christophe Dubois <jcd@tribudubois.net> Signed-off-by: Jason Wang <jasowang@redhat.com>
2016-06-02net_pkt: Extend packet abstraction as required by e1000e functionalityDmitry Fleytman
This patch extends the TX/RX packet abstractions with features that will be used by the e1000e device implementation. Changes are: 1. Support iovec lists for RX buffers 2. Deeper RX packets parsing 3. Loopback option for TX packets 4. Extended VLAN headers handling 5. RSS processing for RX packets Signed-off-by: Dmitry Fleytman <dmitry.fleytman@ravellosystems.com> Signed-off-by: Leonid Bloch <leonid.bloch@ravellosystems.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
2016-03-08net: check packet payload lengthPrasad J Pandit
While computing IP checksum, 'net_checksum_calculate' reads payload length from the packet. It could exceed the given 'data' buffer size. Add a check to avoid it. Reported-by: Liu Ling <liuling-it@360.cn> Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org> Signed-off-by: Jason Wang <jasowang@redhat.com>
2016-02-04net: Clean up includesPeter Maydell
Clean up includes so that osdep.h is included first and headers which it implies are not included manually. This commit was created with scripts/clean-includes. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1454089805-5470-11-git-send-email-peter.maydell@linaro.org
2013-03-25net: iovec checksum calculatorDmitry Fleytman
Signed-off-by: Dmitry Fleytman <dmitry@daynix.com> Signed-off-by: Yan Vugenfirer <yan@daynix.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-03-25Checksum-related utility functionsDmitry Fleytman
net_checksum_add_cont() checksum calculation for scattered data with odd chunk sizes net_raw_checksum() checksum calculation for a buffer Signed-off-by: Dmitry Fleytman <dmitry@daynix.com> Signed-off-by: Yan Vugenfirer <yan@daynix.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2012-02-01Change license from GPLv2 to GPLv2+Stefan Weil
This file only contains code from Red Hat, so it can use GPLv2+. Tested with `git blame -M -C net/checksum.c`. Signed-off-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-01-13prepare for future GPLv2+ relicensingPaolo Bonzini
All files under GPLv2 will get GPLv2+ changes starting tomorrow. event_notifier.c and exec-obsolete.h were only ever touched by Red Hat employees and can be relicensed now. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-10-30net: move net-checksum.c under net/Mark McLoughlin
Also add a new net/checksum.h header Signed-off-by: Mark McLoughlin <markmc@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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