xref: /linux/io_uring/net.h (revision 4359a011e259a4608afc7fb3635370c9d4ba5943)
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_sendzc_prep_async(struct io_kiocb *req);
35 int io_sendmsg_prep_async(struct io_kiocb *req);
36 void io_sendmsg_recvmsg_cleanup(struct io_kiocb *req);
37 int io_sendmsg_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
38 int io_sendmsg(struct io_kiocb *req, unsigned int issue_flags);
39 int io_send(struct io_kiocb *req, unsigned int issue_flags);
40 
41 int io_recvmsg_prep_async(struct io_kiocb *req);
42 int io_recvmsg_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
43 int io_recvmsg(struct io_kiocb *req, unsigned int issue_flags);
44 int io_recv(struct io_kiocb *req, unsigned int issue_flags);
45 
46 int io_accept_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
47 int io_accept(struct io_kiocb *req, unsigned int issue_flags);
48 
49 int io_socket_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
50 int io_socket(struct io_kiocb *req, unsigned int issue_flags);
51 
52 int io_connect_prep_async(struct io_kiocb *req);
53 int io_connect_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
54 int io_connect(struct io_kiocb *req, unsigned int issue_flags);
55 
56 int io_sendzc(struct io_kiocb *req, unsigned int issue_flags);
57 int io_sendzc_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
58 void io_sendzc_cleanup(struct io_kiocb *req);
59 
60 void io_netmsg_cache_free(struct io_cache_entry *entry);
61 #else
62 static inline void io_netmsg_cache_free(struct io_cache_entry *entry)
63 {
64 }
65 #endif
66