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conntrack defrag is needed only if some module like CONNTRACK or NAT explicitly requests it. For plain forwarding scenarios, defrag is not needed and can be skipped if NOTRACK is set in a rule. Since conntrack defrag is currently higher priority than raw table, setting NOTRACK is not sufficient. We need to move raw to a higher priority for iptables only. This is achieved by introducing a module parameter "raw_before_defrag" which allows to change the priority of raw table to place it before defrag. By default, the parameter is disabled and the priority of raw table is NF_IP_PRI_RAW to support legacy behavior. If the module parameter is enabled, then the priority of the raw table is set to NF_IP_PRI_RAW_BEFORE_DEFRAG. Signed-off-by: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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.