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96 lines
2.2 KiB
96 lines
2.2 KiB
// 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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* Generic netlink support functions to interact with SMC module |
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* |
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* Copyright IBM Corp. 2020 |
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* |
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* Author(s): Guvenc Gulce <[email protected]> |
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*/ |
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#include <linux/module.h> |
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#include <linux/list.h> |
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#include <linux/ctype.h> |
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#include <linux/mutex.h> |
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#include <linux/if.h> |
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#include <linux/smc.h> |
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#include "smc_core.h" |
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#include "smc_ism.h" |
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#include "smc_ib.h" |
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#include "smc_stats.h" |
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#include "smc_netlink.h" |
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#define SMC_CMD_MAX_ATTR 1 |
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/* SMC_GENL generic netlink operation definition */ |
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static const struct genl_ops smc_gen_nl_ops[] = { |
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{ |
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.cmd = SMC_NETLINK_GET_SYS_INFO, |
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/* can be retrieved by unprivileged users */ |
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.dumpit = smc_nl_get_sys_info, |
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}, |
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{ |
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.cmd = SMC_NETLINK_GET_LGR_SMCR, |
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/* can be retrieved by unprivileged users */ |
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.dumpit = smcr_nl_get_lgr, |
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}, |
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{ |
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.cmd = SMC_NETLINK_GET_LINK_SMCR, |
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/* can be retrieved by unprivileged users */ |
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.dumpit = smcr_nl_get_link, |
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}, |
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{ |
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.cmd = SMC_NETLINK_GET_LGR_SMCD, |
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/* can be retrieved by unprivileged users */ |
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.dumpit = smcd_nl_get_lgr, |
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}, |
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{ |
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.cmd = SMC_NETLINK_GET_DEV_SMCD, |
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/* can be retrieved by unprivileged users */ |
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.dumpit = smcd_nl_get_device, |
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}, |
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{ |
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.cmd = SMC_NETLINK_GET_DEV_SMCR, |
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/* can be retrieved by unprivileged users */ |
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.dumpit = smcr_nl_get_device, |
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}, |
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{ |
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.cmd = SMC_NETLINK_GET_STATS, |
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/* can be retrieved by unprivileged users */ |
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.dumpit = smc_nl_get_stats, |
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}, |
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{ |
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.cmd = SMC_NETLINK_GET_FBACK_STATS, |
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/* can be retrieved by unprivileged users */ |
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.dumpit = smc_nl_get_fback_stats, |
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}, |
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}; |
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static const struct nla_policy smc_gen_nl_policy[2] = { |
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[SMC_CMD_MAX_ATTR] = { .type = NLA_REJECT, }, |
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}; |
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/* SMC_GENL family definition */ |
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struct genl_family smc_gen_nl_family __ro_after_init = { |
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.hdrsize = 0, |
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.name = SMC_GENL_FAMILY_NAME, |
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.version = SMC_GENL_FAMILY_VERSION, |
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.maxattr = SMC_CMD_MAX_ATTR, |
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.policy = smc_gen_nl_policy, |
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.netnsok = true, |
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.module = THIS_MODULE, |
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.ops = smc_gen_nl_ops, |
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.n_ops = ARRAY_SIZE(smc_gen_nl_ops) |
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}; |
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int __init smc_nl_init(void) |
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{ |
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return genl_register_family(&smc_gen_nl_family); |
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} |
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void smc_nl_exit(void) |
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{ |
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genl_unregister_family(&smc_gen_nl_family); |
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}
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