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