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c69046c3f2
Previously, the upper layer matches are added for the decryption rule when xfrm selector's UPSPEC is specified in the command. However, it's impossible as packets are not decrypted, and there is no way to do match on the upper protocol (TCP/UDP) with specific source/destination port. The result is that packets are not decrypted by hardware because of this mismatch. Instead, they are forwarded to kernel, and decryption is done by software. To resolve this issue, this patch adds new table (sa_sel) after status table and before policy table. When UPSPEC's proto is specified in xfrm state's selector, a rule is added in status table to forward the decrypted packets to sa_sel table, where the corresponding rule for selector's UPSPEC is added, and packet's upper headers are checked there. If matched, they will be forward to policy table to do policy check. Otherwise, they are dropped immediately. Besides, add a global count for this kind of packet drop. Signed-off-by: Jianbo Liu <jianbol@nvidia.com> Reviewed-by: Leon Romanovsky <leonro@nvidia.com> Reviewed-by: Patrisious Haddad <phaddad@nvidia.com> Signed-off-by: Tariq Toukan <tariqt@nvidia.com> Link: https://patch.msgid.link/20250220213959.504304-9-tariqt@nvidia.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| rust | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .clippy.toml | ||
| .cocciconfig | ||
| .editorconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .rustfmt.toml | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| 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 reStructuredText 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.