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