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There are two tcp_filter hooks in tcp_ipv6 ingress path currently. One is at tcp_v6_rcv and another is in tcp_v6_do_rcv. It seems the tcp_filter() call inside tcp_v6_do_rcv is redundent and some packet will be filtered twice in this situation. This will cause trouble when using eBPF filters to account traffic data. Signed-off-by: Chenbo Feng <fengc@google.com> Acked-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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.