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linux/io_uring/cmd_net.c

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io_uring: Add SPDX id lines to remaining source files Some io_uring files are missing SPDX-License-Identifier lines. Add lines with GPL-2.0 license IDs to these files. Signed-off-by: Tim Bird <tim.bird@sony.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2026-02-03 16:46:24 -07:00
io_uring/cmd: move net cmd into a separate file We keep socket io_uring command implementation in io_uring/uring_cmd.c. Separate it from generic command code into a separate file. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/747d0519a2255bd055ae76b691d38d2b4c311001.1745843119.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
2025-04-28 13:52:33 +01:00
io_uring/netcmd: add tx timestamping cmd support Add a new socket command which returns tx time stamps to the user. It provide an alternative to the existing error queue recvmsg interface. The command works in a polled multishot mode, which means io_uring will poll the socket and keep posting timestamps until the request is cancelled or fails in any other way (e.g. with no space in the CQ). It reuses the net infra and grabs timestamps from the socket's error queue. The command requires IORING_SETUP_CQE32. All non-final CQEs (marked with IORING_CQE_F_MORE) have cqe->res set to the tskey, and the upper 16 bits of cqe->flags keep tstype (i.e. offset by IORING_CQE_BUFFER_SHIFT). The timevalue is store in the upper part of the extended CQE. The final completion won't have IORING_CQE_F_MORE and will have cqe->res storing 0/error. Suggested-by: Vadim Fedorenko <vadim.fedorenko@linux.dev> Acked-by: Willem de Bruijn <willemb@google.com> Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/92ee66e6b33b8de062a977843d825f58f21ecd37.1750065793.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
2025-06-16 10:46:29 +01:00
io_uring/cmd: move net cmd into a separate file We keep socket io_uring command implementation in io_uring/uring_cmd.c. Separate it from generic command code into a separate file. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/747d0519a2255bd055ae76b691d38d2b4c311001.1745843119.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
2025-04-28 13:52:33 +01:00
io_uring/uring_cmd: add support for IORING_SETUP_CQE_MIXED Certain users of uring_cmd currently require fixed 32b CQE support, which is propagated through IO_URING_F_CQE32. Allow IORING_SETUP_CQE_MIXED to cover that case as well, so not all CQEs posted need to be 32b in size. Signed-off-by: Jens Axboe <axboe@kernel.dk>
2025-08-07 14:24:18 -06:00
io_uring/cmd: move net cmd into a separate file We keep socket io_uring command implementation in io_uring/uring_cmd.c. Separate it from generic command code into a separate file. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/747d0519a2255bd055ae76b691d38d2b4c311001.1745843119.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
2025-04-28 13:52:33 +01:00
io_uring/cmd_net: split ioctl code out of io_uring_cmd_sock() io_uring_cmd_sock() originally supported two ioctl-based cmd_op operations. Over time, additional operations were added with tail calls to their helpers. This approach resulted in the new operations sharing an ioctl check with the original operations. io_uring_cmd_sock() now supports 6 operations, so let's move the implementation of the original two into their own helper, reducing io_uring_cmd_sock() to a simple dispatcher. Signed-off-by: Asbjørn Sloth Tønnesen <ast@fiberby.net> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2026-02-16 16:03:53 +00:00
io_uring/cmd: move net cmd into a separate file We keep socket io_uring command implementation in io_uring/uring_cmd.c. Separate it from generic command code into a separate file. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/747d0519a2255bd055ae76b691d38d2b4c311001.1745843119.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
2025-04-28 13:52:33 +01:00
io_uring/netcmd: add tx timestamping cmd support Add a new socket command which returns tx time stamps to the user. It provide an alternative to the existing error queue recvmsg interface. The command works in a polled multishot mode, which means io_uring will poll the socket and keep posting timestamps until the request is cancelled or fails in any other way (e.g. with no space in the CQ). It reuses the net infra and grabs timestamps from the socket's error queue. The command requires IORING_SETUP_CQE32. All non-final CQEs (marked with IORING_CQE_F_MORE) have cqe->res set to the tskey, and the upper 16 bits of cqe->flags keep tstype (i.e. offset by IORING_CQE_BUFFER_SHIFT). The timevalue is store in the upper part of the extended CQE. The final completion won't have IORING_CQE_F_MORE and will have cqe->res storing 0/error. Suggested-by: Vadim Fedorenko <vadim.fedorenko@linux.dev> Acked-by: Willem de Bruijn <willemb@google.com> Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/92ee66e6b33b8de062a977843d825f58f21ecd37.1750065793.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
2025-06-16 10:46:29 +01:00
io_uring/uring_cmd: add support for IORING_SETUP_CQE_MIXED Certain users of uring_cmd currently require fixed 32b CQE support, which is propagated through IO_URING_F_CQE32. Allow IORING_SETUP_CQE_MIXED to cover that case as well, so not all CQEs posted need to be 32b in size. Signed-off-by: Jens Axboe <axboe@kernel.dk>
2025-08-07 14:24:18 -06:00
io_uring/netcmd: add tx timestamping cmd support Add a new socket command which returns tx time stamps to the user. It provide an alternative to the existing error queue recvmsg interface. The command works in a polled multishot mode, which means io_uring will poll the socket and keep posting timestamps until the request is cancelled or fails in any other way (e.g. with no space in the CQ). It reuses the net infra and grabs timestamps from the socket's error queue. The command requires IORING_SETUP_CQE32. All non-final CQEs (marked with IORING_CQE_F_MORE) have cqe->res set to the tskey, and the upper 16 bits of cqe->flags keep tstype (i.e. offset by IORING_CQE_BUFFER_SHIFT). The timevalue is store in the upper part of the extended CQE. The final completion won't have IORING_CQE_F_MORE and will have cqe->res storing 0/error. Suggested-by: Vadim Fedorenko <vadim.fedorenko@linux.dev> Acked-by: Willem de Bruijn <willemb@google.com> Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/92ee66e6b33b8de062a977843d825f58f21ecd37.1750065793.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
2025-06-16 10:46:29 +01:00
io_uring/cmd_net: fix wrong argument types for skb_queue_splice() If timestamp retriving needs to be retried and the local list of SKB's already has entries, then it's spliced back into the socket queue. However, the arguments for the splice helper are transposed, causing exactly the wrong direction of splicing into the on-stack list. Fix that up. Cc: stable@vger.kernel.org Reported-by: Google Big Sleep <big-sleep-vuln-reports+bigsleep-462435176@google.com> Fixes: 9e4ed359b8ef ("io_uring/netcmd: add tx timestamping cmd support") Signed-off-by: Jens Axboe <axboe@kernel.dk>
2025-11-20 11:40:15 -07:00
io_uring/netcmd: add tx timestamping cmd support Add a new socket command which returns tx time stamps to the user. It provide an alternative to the existing error queue recvmsg interface. The command works in a polled multishot mode, which means io_uring will poll the socket and keep posting timestamps until the request is cancelled or fails in any other way (e.g. with no space in the CQ). It reuses the net infra and grabs timestamps from the socket's error queue. The command requires IORING_SETUP_CQE32. All non-final CQEs (marked with IORING_CQE_F_MORE) have cqe->res set to the tskey, and the upper 16 bits of cqe->flags keep tstype (i.e. offset by IORING_CQE_BUFFER_SHIFT). The timevalue is store in the upper part of the extended CQE. The final completion won't have IORING_CQE_F_MORE and will have cqe->res storing 0/error. Suggested-by: Vadim Fedorenko <vadim.fedorenko@linux.dev> Acked-by: Willem de Bruijn <willemb@google.com> Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/92ee66e6b33b8de062a977843d825f58f21ecd37.1750065793.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
2025-06-16 10:46:29 +01:00
io_uring: Introduce getsockname io_uring cmd Introduce a socket-specific io_uring_cmd to support getsockname/getpeername via io_uring. I made this an io_uring_cmd instead of a new operation to avoid polluting the command namespace with what is exclusively a socket operation. In addition, since we don't need to conform to existing interfaces, this merges the getsockname/getpeername in a single operation, since the implementation is pretty much the same. This has been frequently requested, for instance at [1] and more recently in the project Discord channel. The main use-case is to support fixed socket file descriptors. [1] https://github.com/axboe/liburing/issues/1356 Signed-off-by: Gabriel Krisman Bertazi <krisman@suse.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2025-11-25 16:18:01 -05:00
io_uring/cmd_net: use READ_ONCE() for ->addr3 read Any SQE read should use READ_ONCE(), to ensure the result is read once and only once. Doesn't really matter for this case, but it's better to keep these 100% consistent and always use READ_ONCE() for the prep side of SQE handling. Fixes: 5d24321e4c15 ("io_uring: Introduce getsockname io_uring cmd") Signed-off-by: Jens Axboe <axboe@kernel.dk>
2026-02-24 11:36:09 -07:00
io_uring: Introduce getsockname io_uring cmd Introduce a socket-specific io_uring_cmd to support getsockname/getpeername via io_uring. I made this an io_uring_cmd instead of a new operation to avoid polluting the command namespace with what is exclusively a socket operation. In addition, since we don't need to conform to existing interfaces, this merges the getsockname/getpeername in a single operation, since the implementation is pretty much the same. This has been frequently requested, for instance at [1] and more recently in the project Discord channel. The main use-case is to support fixed socket file descriptors. [1] https://github.com/axboe/liburing/issues/1356 Signed-off-by: Gabriel Krisman Bertazi <krisman@suse.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2025-11-25 16:18:01 -05:00
io_uring/cmd: move net cmd into a separate file We keep socket io_uring command implementation in io_uring/uring_cmd.c. Separate it from generic command code into a separate file. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/747d0519a2255bd055ae76b691d38d2b4c311001.1745843119.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
2025-04-28 13:52:33 +01:00
io_uring/cmd_net: split ioctl code out of io_uring_cmd_sock() io_uring_cmd_sock() originally supported two ioctl-based cmd_op operations. Over time, additional operations were added with tail calls to their helpers. This approach resulted in the new operations sharing an ioctl check with the original operations. io_uring_cmd_sock() now supports 6 operations, so let's move the implementation of the original two into their own helper, reducing io_uring_cmd_sock() to a simple dispatcher. Signed-off-by: Asbjørn Sloth Tønnesen <ast@fiberby.net> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2026-02-16 16:03:53 +00:00
io_uring/cmd: move net cmd into a separate file We keep socket io_uring command implementation in io_uring/uring_cmd.c. Separate it from generic command code into a separate file. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/747d0519a2255bd055ae76b691d38d2b4c311001.1745843119.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
2025-04-28 13:52:33 +01:00
io_uring/cmd_net: split ioctl code out of io_uring_cmd_sock() io_uring_cmd_sock() originally supported two ioctl-based cmd_op operations. Over time, additional operations were added with tail calls to their helpers. This approach resulted in the new operations sharing an ioctl check with the original operations. io_uring_cmd_sock() now supports 6 operations, so let's move the implementation of the original two into their own helper, reducing io_uring_cmd_sock() to a simple dispatcher. Signed-off-by: Asbjørn Sloth Tønnesen <ast@fiberby.net> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2026-02-16 16:03:53 +00:00
io_uring/cmd: move net cmd into a separate file We keep socket io_uring command implementation in io_uring/uring_cmd.c. Separate it from generic command code into a separate file. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/747d0519a2255bd055ae76b691d38d2b4c311001.1745843119.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
2025-04-28 13:52:33 +01:00
io_uring/netcmd: add tx timestamping cmd support Add a new socket command which returns tx time stamps to the user. It provide an alternative to the existing error queue recvmsg interface. The command works in a polled multishot mode, which means io_uring will poll the socket and keep posting timestamps until the request is cancelled or fails in any other way (e.g. with no space in the CQ). It reuses the net infra and grabs timestamps from the socket's error queue. The command requires IORING_SETUP_CQE32. All non-final CQEs (marked with IORING_CQE_F_MORE) have cqe->res set to the tskey, and the upper 16 bits of cqe->flags keep tstype (i.e. offset by IORING_CQE_BUFFER_SHIFT). The timevalue is store in the upper part of the extended CQE. The final completion won't have IORING_CQE_F_MORE and will have cqe->res storing 0/error. Suggested-by: Vadim Fedorenko <vadim.fedorenko@linux.dev> Acked-by: Willem de Bruijn <willemb@google.com> Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/92ee66e6b33b8de062a977843d825f58f21ecd37.1750065793.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
2025-06-16 10:46:29 +01:00
io_uring: Introduce getsockname io_uring cmd Introduce a socket-specific io_uring_cmd to support getsockname/getpeername via io_uring. I made this an io_uring_cmd instead of a new operation to avoid polluting the command namespace with what is exclusively a socket operation. In addition, since we don't need to conform to existing interfaces, this merges the getsockname/getpeername in a single operation, since the implementation is pretty much the same. This has been frequently requested, for instance at [1] and more recently in the project Discord channel. The main use-case is to support fixed socket file descriptors. [1] https://github.com/axboe/liburing/issues/1356 Signed-off-by: Gabriel Krisman Bertazi <krisman@suse.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2025-11-25 16:18:01 -05:00
io_uring/cmd: move net cmd into a separate file We keep socket io_uring command implementation in io_uring/uring_cmd.c. Separate it from generic command code into a separate file. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/747d0519a2255bd055ae76b691d38d2b4c311001.1745843119.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
2025-04-28 13:52:33 +01:00