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
8struct 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
30struct io_async_connect {
31	struct sockaddr_storage		address;
32};
33
34int io_shutdown_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
35int io_shutdown(struct io_kiocb *req, unsigned int issue_flags);
36
37int io_sendmsg_prep_async(struct io_kiocb *req);
38void io_sendmsg_recvmsg_cleanup(struct io_kiocb *req);
39int io_sendmsg_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
40int io_sendmsg(struct io_kiocb *req, unsigned int issue_flags);
41
42int io_send(struct io_kiocb *req, unsigned int issue_flags);
43int io_send_prep_async(struct io_kiocb *req);
44
45int io_recvmsg_prep_async(struct io_kiocb *req);
46int io_recvmsg_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
47int io_recvmsg(struct io_kiocb *req, unsigned int issue_flags);
48int io_recv(struct io_kiocb *req, unsigned int issue_flags);
49
50void io_sendrecv_fail(struct io_kiocb *req);
51
52int io_accept_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
53int io_accept(struct io_kiocb *req, unsigned int issue_flags);
54
55int io_socket_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
56int io_socket(struct io_kiocb *req, unsigned int issue_flags);
57
58int io_connect_prep_async(struct io_kiocb *req);
59int io_connect_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
60int io_connect(struct io_kiocb *req, unsigned int issue_flags);
61
62int io_send_zc(struct io_kiocb *req, unsigned int issue_flags);
63int io_sendmsg_zc(struct io_kiocb *req, unsigned int issue_flags);
64int io_send_zc_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
65void io_send_zc_cleanup(struct io_kiocb *req);
66
67void io_netmsg_cache_free(struct io_cache_entry *entry);
68#else
69static inline void io_netmsg_cache_free(struct io_cache_entry *entry)
70{
71}
72#endif
73