f8e80fc4ac
Add a new sysctl: net.smc.smcr_max_links_per_lgr, which is used to control the preferred max links per lgr for SMC-R v2.1. The default value of this sysctl is 2, and the acceptable value ranges from 1 to 2. Signed-off-by: Guangguan Wang <guangguan.wang@linux.alibaba.com> Reviewed-by: Dust Li <dust.li@linux.alibaba.com> Signed-off-by: David S. Miller <davem@davemloft.net>
35 lines
758 B
C
35 lines
758 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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* smc_sysctl.c: sysctl interface to SMC subsystem.
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*
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* Copyright (c) 2022, Alibaba Inc.
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*
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* Author: Tony Lu <tonylu@linux.alibaba.com>
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*
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*/
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#ifndef _SMC_SYSCTL_H
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#define _SMC_SYSCTL_H
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#ifdef CONFIG_SYSCTL
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int __net_init smc_sysctl_net_init(struct net *net);
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void __net_exit smc_sysctl_net_exit(struct net *net);
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#else
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static inline int smc_sysctl_net_init(struct net *net)
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{
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net->smc.sysctl_autocorking_size = SMC_AUTOCORKING_DEFAULT_SIZE;
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net->smc.sysctl_max_links_per_lgr = SMC_LINKS_PER_LGR_MAX_PREFER;
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return 0;
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}
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static inline void smc_sysctl_net_exit(struct net *net) { }
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#endif /* CONFIG_SYSCTL */
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#endif /* _SMC_SYSCTL_H */
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