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95e752b529
We will support arbitrary SYN Cookie with BPF. If BPF prog validates ACK and kfunc allocates a reqsk, it will be carried to TCP stack as skb->sk with req->syncookie 1. In skb_steal_sock(), we need to check inet_reqsk(sk)->syncookie to see if the reqsk is created by kfunc. However, inet_reqsk() is not available in sock.h. Let's move skb_steal_sock() to request_sock.h. While at it, we refactor skb_steal_sock() so it returns early if skb->sk is NULL to minimise the following patch. Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com> Reviewed-by: Eric Dumazet <edumazet@google.com> Link: https://lore.kernel.org/r/20240115205514.68364-3-kuniyu@amazon.com Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
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.