// SPDX-License-Identifier: GPL-2.0 /* * Netlink routines for CIFS * * Copyright (c) 2020 Samuel Cabrero <scabrero@suse.de> */ #include <net/genetlink.h> #include <uapi/linux/cifs/cifs_netlink.h> #include "netlink.h" #include "cifsglob.h" #include "cifs_debug.h" #include "cifs_swn.h" static const struct nla_policy cifs_genl_policy[CIFS_GENL_ATTR_MAX + 1] = { [CIFS_GENL_ATTR_SWN_REGISTRATION_ID] = { .type = NLA_U32 }, [CIFS_GENL_ATTR_SWN_NET_NAME] = { .type = NLA_STRING }, [CIFS_GENL_ATTR_SWN_SHARE_NAME] = { .type = NLA_STRING }, [CIFS_GENL_ATTR_SWN_IP] = { .len = sizeof(struct sockaddr_storage) }, [CIFS_GENL_ATTR_SWN_NET_NAME_NOTIFY] = { .type = NLA_FLAG }, [CIFS_GENL_ATTR_SWN_SHARE_NAME_NOTIFY] = { .type = NLA_FLAG }, [CIFS_GENL_ATTR_SWN_IP_NOTIFY] = { .type = NLA_FLAG }, [CIFS_GENL_ATTR_SWN_KRB_AUTH] = { .type = NLA_FLAG }, [CIFS_GENL_ATTR_SWN_USER_NAME] = { .type = NLA_STRING }, [CIFS_GENL_ATTR_SWN_PASSWORD] = { .type = NLA_STRING }, [CIFS_GENL_ATTR_SWN_DOMAIN_NAME] = { .type = NLA_STRING }, [CIFS_GENL_ATTR_SWN_NOTIFICATION_TYPE] = { .type = NLA_U32 }, [CIFS_GENL_ATTR_SWN_RESOURCE_STATE] = { .type = NLA_U32 }, [CIFS_GENL_ATTR_SWN_RESOURCE_NAME] = { .type = NLA_STRING}, }; static const struct genl_ops cifs_genl_ops[] = { { .cmd = CIFS_GENL_CMD_SWN_NOTIFY, .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, .doit = cifs_swn_notify, }, }; static const struct genl_multicast_group cifs_genl_mcgrps[] = { [CIFS_GENL_MCGRP_SWN] = { .name = CIFS_GENL_MCGRP_SWN_NAME }, }; struct genl_family cifs_genl_family = { .name = CIFS_GENL_NAME, .version = CIFS_GENL_VERSION, .hdrsize = 0, .maxattr = CIFS_GENL_ATTR_MAX, .module = THIS_MODULE, .policy = cifs_genl_policy, .ops = cifs_genl_ops, .n_ops = ARRAY_SIZE(cifs_genl_ops), .resv_start_op = CIFS_GENL_CMD_SWN_NOTIFY + 1, .mcgrps = cifs_genl_mcgrps, .n_mcgrps = ARRAY_SIZE(cifs_genl_mcgrps), }; /** * cifs_genl_init - Register generic netlink family * * Return zero if initialized successfully, otherwise non-zero. */ int cifs_genl_init(void) { int ret; ret = genl_register_family(&cifs_genl_family); if (ret < 0) { cifs_dbg(VFS, "%s: failed to register netlink family\n", __func__); return ret; } return 0; } /** * cifs_genl_exit - Unregister generic netlink family */ void cifs_genl_exit(void) { int ret; ret = genl_unregister_family(&cifs_genl_family); if (ret < 0) { cifs_dbg(VFS, "%s: failed to unregister netlink family\n", __func__); } }