xref: /openbmc/linux/io_uring/net.h (revision 4d906098)
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