31 lines
771 B
C
31 lines
771 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Shared Memory Communications over RDMA (SMC-R) and RoCE
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*
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* Manage RMBE
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*
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* Copyright IBM Corp. 2016
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*
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* Author(s): Ursula Braun <ubraun@linux.vnet.ibm.com>
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*/
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#ifndef SMC_RX_H
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#define SMC_RX_H
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#include <linux/socket.h>
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#include <linux/types.h>
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#include "smc.h"
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void smc_rx_init(struct smc_sock *smc);
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int smc_rx_recvmsg(struct smc_sock *smc, struct msghdr *msg,
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struct pipe_inode_info *pipe, size_t len, int flags);
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int smc_rx_wait(struct smc_sock *smc, long *timeo, size_t peeked,
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int (*fcrit)(struct smc_connection *conn, size_t baseline));
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static inline int smc_rx_data_available(struct smc_connection *conn, size_t peeked)
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{
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return atomic_read(&conn->bytes_to_rcv) - peeked;
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}
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#endif /* SMC_RX_H */
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