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 #if defined(CONFIG_NET) 9 struct io_async_msghdr { 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 }; 26 27 struct io_async_connect { 28 struct sockaddr_storage address; 29 }; 30 31 int io_shutdown_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe); 32 int io_shutdown(struct io_kiocb *req, unsigned int issue_flags); 33 34 int io_sendmsg_prep_async(struct io_kiocb *req); 35 void io_sendmsg_recvmsg_cleanup(struct io_kiocb *req); 36 int io_sendmsg_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe); 37 int io_sendmsg(struct io_kiocb *req, unsigned int issue_flags); 38 39 int io_send(struct io_kiocb *req, unsigned int issue_flags); 40 int io_send_prep_async(struct io_kiocb *req); 41 42 int io_recvmsg_prep_async(struct io_kiocb *req); 43 int io_recvmsg_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe); 44 int io_recvmsg(struct io_kiocb *req, unsigned int issue_flags); 45 int io_recv(struct io_kiocb *req, unsigned int issue_flags); 46 47 void io_sendrecv_fail(struct io_kiocb *req); 48 49 int io_accept_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe); 50 int io_accept(struct io_kiocb *req, unsigned int issue_flags); 51 52 int io_socket_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe); 53 int io_socket(struct io_kiocb *req, unsigned int issue_flags); 54 55 int io_connect_prep_async(struct io_kiocb *req); 56 int io_connect_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe); 57 int io_connect(struct io_kiocb *req, unsigned int issue_flags); 58 59 int io_send_zc(struct io_kiocb *req, unsigned int issue_flags); 60 int io_sendmsg_zc(struct io_kiocb *req, unsigned int issue_flags); 61 int io_send_zc_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe); 62 void io_send_zc_cleanup(struct io_kiocb *req); 63 64 void io_netmsg_cache_free(struct io_cache_entry *entry); 65 #else 66 static inline void io_netmsg_cache_free(struct io_cache_entry *entry) 67 { 68 } 69 #endif 70