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 | |
20 | void smc_rx_init(struct smc_sock *smc); |
21 | |
22 | int smc_rx_recvmsg(struct smc_sock *smc, struct msghdr *msg, |
23 | struct pipe_inode_info *pipe, size_t len, int flags); |
24 | int smc_rx_wait(struct smc_sock *smc, long *timeo, |
25 | int (*fcrit)(struct smc_connection *conn)); |
26 | static inline int smc_rx_data_available(struct smc_connection *conn) |
27 | { |
28 | return atomic_read(v: &conn->bytes_to_rcv); |
29 | } |
30 | |
31 | #endif /* SMC_RX_H */ |
32 | |