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IPv6 Segment Routing Header (SRH) contains a list of SIDs to be crossed by SR encapsulated packet. Each SID is encoded as an IPv6 prefix. When a Firewall receives an SR encapsulated packet, it should be able to identify which node previously processed the packet (previous SID), which node is going to process the packet next (next SID), and which node is the last to process the packet (last SID) which represent the final destination of the packet in case of inline SR mode. An example use-case of using these features could be SID list that includes two firewalls. When the second firewall receives a packet, it can check whether the packet has been processed by the first firewall or not. Based on that check, it decides to apply all rules, apply just subset of the rules, or totally skip all rules and forward the packet to the next SID. This patch extends SRH match to support matching previous SID, next SID, and last SID. Signed-off-by: Ahmed Abdelsalam <amsalam20@gmail.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> |
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| firmware | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
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| Makefile | ||
| README | ||
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.
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.