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Decap functions for tunneling protocols do not compute
the packet header offsets correctly when there is a VLAN
tag in the L2 header. This results in incorrect checksum
computation causing the packet to be dropped.
This patch adds support to account for the VLAN tag in the
packet if its present, and makes use of the OvsExtractLayers()
function to correctly compute the header offsets for different
layers.
Testing done:
- Tested Geneve, STT, Vxlan and Gre and verified that there
are no regressions.
- Verified that packets with VLAN tags are correctly handled
in the decap code of all tunneling protocols. Previously,
this would result in packet drops due to invalid checksums
being computed.
- Verified that non-VLAN tagged packets are handled correctly.
Signed-off-by: Shashank Ram <rams@vmware.com>
Acked-by: Anand Kumar <kumaranand@vmware.com>
Signed-off-by: Alin Gabriel Serdean <aserdean@ovn.org>
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This patch adds multiple internal ports support to the windows datapath.
All tunnels types have been updated to accommodate this new functionality.
Signed-off-by: Alin Gabriel Serdean <aserdean@cloudbasesolutions.com>
Co-authored-by: Sorin Vinturis <svinturis@cloudbasesolutions.com>
Signed-off-by: Sorin Vinturis <svinturis@cloudbasesolutions.com>
Acked-by: Paul Boca <pboca@cloudbasesolutions.com>
Acked-by: Sairam Venugopal <vsairam@vmware.com>
Signed-off-by: Gurucharan Shetty <guru@ovn.org>
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Signed-off-by: Paul-Daniel Boca <pboca@cloudbasesolutions.com>
Signed-off-by: Ben Pfaff <blp@ovn.org>
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Fixed possible deadlock in case NdisGetDataBuffer fails
Validate the segment length and offset on reassemble to avoid buffer overflow
Signed-off-by: Paul-Daniel Boca <pboca@cloudbasesolutions.com>
Acked-by: Sairam Venugopal <vsairam@vmware.com>
Signed-off-by: Ben Pfaff <blp@ovn.org>
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This patch removes unused variables defined in stt and vxlan ports.
Signed-off-by: Alin Gabriel Serdean <aserdean@cloudbasesolutions.com>
Acked-by: Sairam Venugopal <vsairam@vmware.com>
Signed-off-by: Ben Pfaff <blp@ovn.org>
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Create and initialize the background thread and buffer that
assists in defragmenting and completing a TSO packet.
Signed-off-by: Sairam Venugopal <vsairam@vmware.com>
Acked-by: Nithin Raju <nithin@vmware.com>
Signed-off-by: Gurucharan Shetty <gshetty@nicira.com>
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This change include an initial implementable of STT.
The following should be added:
[1] Checksum offload (SW and HW)
[2] LSO (SW and HW)
[3] IP layer WFP callout for IP segments
Added support for multiple (per TCP port) STT ports
Testing: link layer connection through ping works. File transfer.
Signed-off-by: Eitan Eliahu <eliahue@vmware.com>
Co-authored-by: Saurabh Shah <ssaurabh@vmware.com>
Signed-off-by: Saurabh Shah <ssaurabh@vmware.com>
Acked-by: Nithin Raju <nithin@vmware.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
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