io_uring/net.h

   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