smc_hs_bpf.h

 1/* SPDX-License-Identifier: GPL-2.0 */
 2/*
 3 *  Shared Memory Communications over RDMA (SMC-R) and RoCE
 4 *
 5 *  Generic hook for SMC handshake flow.
 6 *
 7 *  Copyright IBM Corp. 2016
 8 *  Copyright (c) 2025, Alibaba Inc.
 9 *
10 *  Author: D. Wythe <alibuda@linux.alibaba.com>
11 */
12
13#ifndef __SMC_HS_CTRL
14#define __SMC_HS_CTRL
15
16#include <net/smc.h>
17
18/* Find hs_ctrl by the target name, which required to be a c-string.
19 * Return NULL if no such ctrl was found,otherwise, return a valid ctrl.
20 *
21 * Note: Caller MUST ensure it's was invoked under rcu_read_lock.
22 */
23struct smc_hs_ctrl *smc_hs_ctrl_find_by_name(const char *name);
24
25#if IS_ENABLED(CONFIG_SMC_HS_CTRL_BPF)
26int bpf_smc_hs_ctrl_init(void);
27#else
28static inline int bpf_smc_hs_ctrl_init(void) { return 0; }
29#endif /* CONFIG_SMC_HS_CTRL_BPF */
30
31#endif /* __SMC_HS_CTRL */