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xfrm6_transport_finish rebuilds the IPv6 header based on the original one and pushes it back without fixing skb->csum. Therefore, CHECKSUM_COMPLETE is no longer valid and the packet gets dropped. Fix skb->csum by calling skb_postpush_rcsum. Note: A valid IPv4 header has checksum 0, unlike IPv6. Thus, the change is not needed in the sibling xfrm4_transport_finish function. Signed-off-by: Yossi Kuperman <yossiku@mellanox.com> Signed-off-by: Ilan Tayari <ilant@mellanox.com> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.