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IORING_OP_LISTEN provides the semantic of listen(2) via io_uring. While this is an essentially synchronous system call, the main point is to enable a network path to execute fully with io_uring registered and descriptorless files. Signed-off-by: Gabriel Krisman Bertazi <krisman@suse.de> Link: https://lore.kernel.org/r/20240614163047.31581-4-krisman@suse.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
64 lines
2.1 KiB
C
64 lines
2.1 KiB
C
// SPDX-License-Identifier: GPL-2.0
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#include <linux/net.h>
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#include <linux/uio.h>
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struct io_async_msghdr {
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#if defined(CONFIG_NET)
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struct iovec fast_iov;
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/* points to an allocated iov, if NULL we use fast_iov instead */
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struct iovec *free_iov;
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int free_iov_nr;
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int namelen;
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__kernel_size_t controllen;
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__kernel_size_t payloadlen;
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struct sockaddr __user *uaddr;
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struct msghdr msg;
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struct sockaddr_storage addr;
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#endif
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};
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#if defined(CONFIG_NET)
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int io_shutdown_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
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int io_shutdown(struct io_kiocb *req, unsigned int issue_flags);
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void io_sendmsg_recvmsg_cleanup(struct io_kiocb *req);
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int io_sendmsg_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
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int io_sendmsg(struct io_kiocb *req, unsigned int issue_flags);
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int io_send(struct io_kiocb *req, unsigned int issue_flags);
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int io_recvmsg_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
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int io_recvmsg(struct io_kiocb *req, unsigned int issue_flags);
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int io_recv(struct io_kiocb *req, unsigned int issue_flags);
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void io_sendrecv_fail(struct io_kiocb *req);
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int io_accept_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
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int io_accept(struct io_kiocb *req, unsigned int issue_flags);
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int io_socket_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
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int io_socket(struct io_kiocb *req, unsigned int issue_flags);
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int io_connect_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
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int io_connect(struct io_kiocb *req, unsigned int issue_flags);
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int io_send_zc(struct io_kiocb *req, unsigned int issue_flags);
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int io_sendmsg_zc(struct io_kiocb *req, unsigned int issue_flags);
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int io_send_zc_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
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void io_send_zc_cleanup(struct io_kiocb *req);
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int io_bind_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
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int io_bind(struct io_kiocb *req, unsigned int issue_flags);
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int io_listen_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
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int io_listen(struct io_kiocb *req, unsigned int issue_flags);
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void io_netmsg_cache_free(const void *entry);
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#else
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static inline void io_netmsg_cache_free(const void *entry)
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{
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}
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#endif
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