1 // SPDX-License-Identifier: GPL-2.0 2 3 #include <linux/net.h> 4 #include <linux/uio.h> 5 6 #include "alloc_cache.h" 7 8 struct io_async_msghdr { 9 #if defined(CONFIG_NET) 10 union { 11 struct iovec fast_iov[UIO_FASTIOV]; 12 struct { 13 struct iovec fast_iov_one; 14 __kernel_size_t controllen; 15 int namelen; 16 __kernel_size_t payloadlen; 17 }; 18 struct io_cache_entry cache; 19 }; 20 /* points to an allocated iov, if NULL we use fast_iov instead */ 21 struct iovec *free_iov; 22 struct sockaddr __user *uaddr; 23 struct msghdr msg; 24 struct sockaddr_storage addr; 25 #endif 26 }; 27 28 #if defined(CONFIG_NET) 29 30 struct io_async_connect { 31 struct sockaddr_storage address; 32 }; 33 34 int io_shutdown_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe); 35 int io_shutdown(struct io_kiocb *req, unsigned int issue_flags); 36 37 int io_sendmsg_prep_async(struct io_kiocb *req); 38 void io_sendmsg_recvmsg_cleanup(struct io_kiocb *req); 39 int io_sendmsg_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe); 40 int io_sendmsg(struct io_kiocb *req, unsigned int issue_flags); 41 42 int io_send(struct io_kiocb *req, unsigned int issue_flags); 43 int io_send_prep_async(struct io_kiocb *req); 44 45 int io_recvmsg_prep_async(struct io_kiocb *req); 46 int io_recvmsg_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe); 47 int io_recvmsg(struct io_kiocb *req, unsigned int issue_flags); 48 int io_recv(struct io_kiocb *req, unsigned int issue_flags); 49 50 void io_sendrecv_fail(struct io_kiocb *req); 51 52 int io_accept_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe); 53 int io_accept(struct io_kiocb *req, unsigned int issue_flags); 54 55 int io_socket_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe); 56 int io_socket(struct io_kiocb *req, unsigned int issue_flags); 57 58 int io_connect_prep_async(struct io_kiocb *req); 59 int io_connect_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe); 60 int io_connect(struct io_kiocb *req, unsigned int issue_flags); 61 62 int io_send_zc(struct io_kiocb *req, unsigned int issue_flags); 63 int io_sendmsg_zc(struct io_kiocb *req, unsigned int issue_flags); 64 int io_send_zc_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe); 65 void io_send_zc_cleanup(struct io_kiocb *req); 66 67 void io_netmsg_cache_free(struct io_cache_entry *entry); 68 #else 69 static inline void io_netmsg_cache_free(struct io_cache_entry *entry) 70 { 71 } 72 #endif 73