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Miller" , Eric Dumazet , Kuniyuki Iwashima , Paolo Abeni , Willem de Bruijn , Simon Horman Subject: [PATCH v4 0/3] Introduce getsockname io_uring_cmd Date: Tue, 25 Nov 2025 16:17:58 -0500 Message-ID: <20251125211806.2673912-1-krisman@suse.de> X-Mailer: git-send-email 2.51.0 Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Level: X-Spamd-Result: default: False [-2.80 / 50.00]; BAYES_HAM(-3.00)[100.00%]; NEURAL_HAM_LONG(-1.00)[-1.000]; MID_CONTAINS_FROM(1.00)[]; R_MISSING_CHARSET(0.50)[]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; TO_MATCH_ENVRCPT_ALL(0.00)[]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; FROM_HAS_DN(0.00)[]; MIME_TRACE(0.00)[0:+]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.de:mid]; FUZZY_RATELIMITED(0.00)[rspamd.com]; RCPT_COUNT_SEVEN(0.00)[11]; RCVD_COUNT_TWO(0.00)[2]; FROM_EQ_ENVFROM(0.00)[]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; TO_DN_SOME(0.00)[]; RCVD_TLS_ALL(0.00)[] X-Spam-Flag: NO X-Spam-Score: -2.80 Since V3: - Fix passing of 'peer' in io_uring side. Since V2: - Move sockaddr_storage to do_sockname Since V1: - minor style fixes - Resend with (more) maintainers cc'ed - rebased to axboe/for-next. -- This feature has been requested a few times in the liburing repository and Discord channels, such as in [1,2]. If anything, it also helps solve a long standing issue in the bind-listen test that results in occasional test failures. The patchset is divided in three parts: Patch 1 merges the getpeername and getsockname implementation in the network layer, making further patches easier; Patch 2 splits out a helper used by io_uring, like done for other network commands; Finally, patch 3 plumbs the new command in io_uring. The syscall path was tested by booting a Linux distro, which does all sorts of getsockname/getpeername syscalls. The io_uring side was tested with a couple of new liburing subtests available at: https://github.com/krisman/liburing.git -b socket Based on top of Jens' for-next. [1] https://github.com/axboe/liburing/issues/1356 [2] https://discord.com/channels/1241076672589991966/1241076672589991970/1429975797912830074 CC: netdev@vger.kernel.org CC: io-uring@vger.kernel.org CC: Jakub Kicinski CC: David S. Miller CC: Eric Dumazet CC: Kuniyuki Iwashima CC: Paolo Abeni CC: Willem de Bruijn CC: Simon Horman Base: axboe/for-next Gabriel Krisman Bertazi (3): socket: Unify getsockname and getpeername implementation socket: Split out a getsockname helper for io_uring io_uring: Introduce getsockname io_uring cmd include/linux/socket.h | 6 ++-- include/uapi/linux/io_uring.h | 1 + io_uring/cmd_net.c | 22 ++++++++++++ net/compat.c | 4 +-- net/socket.c | 67 +++++++++++------------------------ 5 files changed, 49 insertions(+), 51 deletions(-) -- 2.51.0