LXR linux/net/smc/smc

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/*
   3 * Shared Memory Communications over RDMA (SMC-R) and RoCE
   4 *
   5 * Manage RMBE
   6 *
   7 * Copyright IBM Corp. 2016
   8 *
   9 * Author(s):  Ursula Braun <ubraun@linux.vnet.ibm.com>
  10 */
  11
  12#ifndef SMC_RX_H
  13#define SMC_RX_H
  14
  15#include <linux/socket.h>
  16#include <linux/types.h>
  17
  18#include "smc.h"
  19
  20void smc_rx_init(struct smc_sock *smc);
  21
  22int smc_rx_recvmsg(struct smc_sock *smc, struct msghdr *msg,
  23                   struct pipe_inode_info *pipe, size_t len, int flags);
  24int smc_rx_wait(struct smc_sock *smc, long *timeo,
  25                int (*fcrit)(struct smc_connection *conn));
  26static inline int smc_rx_data_available(struct smc_connection *conn)
  27{
  28        return atomic_read(&conn->bytes_to_rcv);
  29}
  30
  31#endif /* SMC_RX_H */
  32