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Linux kernel source tree
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Florian Westphal says: ==================== mptcp: add REUSEADDR/REUSEPORT/V6ONLY setsockopt support restarting an mptcp-patched sshd yields following error: sshd: error: Bind to port 22 on 0.0.0.0 failed: Address already in use. sshd: error: setsockopt IPV6_V6ONLY: Operation not supported sshd: error: Bind to port 22 on :: failed: Address already in use. sshd: fatal: Cannot bind any address. This series adds support for the needed setsockopts: First patch skips the generic SOL_SOCKET handler for MPTCP: in mptcp case, the setsockopt needs to alter the tcp socket, not the mptcp parent socket. Second patch adds minimal SOL_SOCKET support: REUSEPORT and REUSEADDR. Rest is still handled by the generic SOL_SOCKET code. Last patch adds IPV6ONLY support. This makes ipv6 work for openssh: It creates two listening sockets, before this patch, binding the ipv6 socket will fail because the port is already bound by the ipv4 one. ==================== Signed-off-by: David S. Miller <davem@davemloft.net> |
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| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| 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 | ||
| 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 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.