| 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 | */ |
| 23 | struct smc_hs_ctrl *smc_hs_ctrl_find_by_name(const char *name); |
| 24 | |
| 25 | #if IS_ENABLED(CONFIG_SMC_HS_CTRL_BPF) |
| 26 | int bpf_smc_hs_ctrl_init(void); |
| 27 | #else |
| 28 | static inline int bpf_smc_hs_ctrl_init(void) { return 0; } |
| 29 | #endif /* CONFIG_SMC_HS_CTRL_BPF */ |
| 30 | |
| 31 | #endif /* __SMC_HS_CTRL */ |
| 32 | |