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11bd57844f
Breno Leitao says:
====================
netpoll: Factor out functions from netpoll_send_udp() and add ipv6 selftest
Refactors the netpoll UDP transmit path to improve code clarity,
maintainability, and protocol-layer encapsulation.
Function netpoll_send_udp() has more than 100 LoC, which is hard to
understand and review. After this patchset, it has only 32 LoC, which is
more manageable.
The series systematically moves the construction of protocol headers
(UDP, IPv4, IPv6, Ethernet) out of the core `netpoll_send_udp()`
function into dedicated static helpers:
- `push_udp()` for UDP header setup
- `push_ipv4()` and `push_ipv6()` for IP header setup
- `push_eth()` for Ethernet header setup
This results in a clean, layered abstraction that mirrors the protocol
stack, reduces code duplication, and improves readability.
Also, to make sure this is not breaking anything, add IPv6 selftest to
netconsole tests, which will exercise this code. This test would also pick
problems similiar to the one fixed by
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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 | ||
| .pylintrc | ||
| .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.