1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Shared Memory Communications over RDMA (SMC-R) and RoCE 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Manage RMBE 6*4882a593Smuzhiyun * 7*4882a593Smuzhiyun * Copyright IBM Corp. 2016 8*4882a593Smuzhiyun * 9*4882a593Smuzhiyun * Author(s): Ursula Braun <ubraun@linux.vnet.ibm.com> 10*4882a593Smuzhiyun */ 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun #ifndef SMC_RX_H 13*4882a593Smuzhiyun #define SMC_RX_H 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun #include <linux/socket.h> 16*4882a593Smuzhiyun #include <linux/types.h> 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun #include "smc.h" 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun void smc_rx_init(struct smc_sock *smc); 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun int smc_rx_recvmsg(struct smc_sock *smc, struct msghdr *msg, 23*4882a593Smuzhiyun struct pipe_inode_info *pipe, size_t len, int flags); 24*4882a593Smuzhiyun int smc_rx_wait(struct smc_sock *smc, long *timeo, 25*4882a593Smuzhiyun int (*fcrit)(struct smc_connection *conn)); smc_rx_data_available(struct smc_connection * conn)26*4882a593Smuzhiyunstatic inline int smc_rx_data_available(struct smc_connection *conn) 27*4882a593Smuzhiyun { 28*4882a593Smuzhiyun return atomic_read(&conn->bytes_to_rcv); 29*4882a593Smuzhiyun } 30*4882a593Smuzhiyun 31*4882a593Smuzhiyun #endif /* SMC_RX_H */ 32