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314 lines
10 KiB
314 lines
10 KiB
/* |
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* net/tipc/netlink.c: TIPC configuration handling |
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* |
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* Copyright (c) 2005-2006, 2014, Ericsson AB |
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* Copyright (c) 2005-2007, Wind River Systems |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. Neither the names of the copyright holders nor the names of its |
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* contributors may be used to endorse or promote products derived from |
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* this software without specific prior written permission. |
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* |
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* Alternatively, this software may be distributed under the terms of the |
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* GNU General Public License ("GPL") version 2 as published by the Free |
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* Software Foundation. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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* POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#include "core.h" |
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#include "socket.h" |
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#include "name_table.h" |
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#include "bearer.h" |
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#include "link.h" |
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#include "node.h" |
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#include "net.h" |
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#include "udp_media.h" |
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#include <net/genetlink.h> |
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static const struct nla_policy tipc_nl_policy[TIPC_NLA_MAX + 1] = { |
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[TIPC_NLA_UNSPEC] = { .type = NLA_UNSPEC, }, |
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[TIPC_NLA_BEARER] = { .type = NLA_NESTED, }, |
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[TIPC_NLA_SOCK] = { .type = NLA_NESTED, }, |
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[TIPC_NLA_PUBL] = { .type = NLA_NESTED, }, |
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[TIPC_NLA_LINK] = { .type = NLA_NESTED, }, |
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[TIPC_NLA_MEDIA] = { .type = NLA_NESTED, }, |
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[TIPC_NLA_NODE] = { .type = NLA_NESTED, }, |
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[TIPC_NLA_NET] = { .type = NLA_NESTED, }, |
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[TIPC_NLA_NAME_TABLE] = { .type = NLA_NESTED, }, |
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[TIPC_NLA_MON] = { .type = NLA_NESTED, }, |
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}; |
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const struct nla_policy |
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tipc_nl_name_table_policy[TIPC_NLA_NAME_TABLE_MAX + 1] = { |
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[TIPC_NLA_NAME_TABLE_UNSPEC] = { .type = NLA_UNSPEC }, |
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[TIPC_NLA_NAME_TABLE_PUBL] = { .type = NLA_NESTED } |
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}; |
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const struct nla_policy tipc_nl_monitor_policy[TIPC_NLA_MON_MAX + 1] = { |
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[TIPC_NLA_MON_UNSPEC] = { .type = NLA_UNSPEC }, |
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[TIPC_NLA_MON_REF] = { .type = NLA_U32 }, |
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[TIPC_NLA_MON_ACTIVATION_THRESHOLD] = { .type = NLA_U32 }, |
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}; |
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const struct nla_policy tipc_nl_sock_policy[TIPC_NLA_SOCK_MAX + 1] = { |
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[TIPC_NLA_SOCK_UNSPEC] = { .type = NLA_UNSPEC }, |
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[TIPC_NLA_SOCK_ADDR] = { .type = NLA_U32 }, |
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[TIPC_NLA_SOCK_REF] = { .type = NLA_U32 }, |
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[TIPC_NLA_SOCK_CON] = { .type = NLA_NESTED }, |
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[TIPC_NLA_SOCK_HAS_PUBL] = { .type = NLA_FLAG } |
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}; |
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const struct nla_policy tipc_nl_net_policy[TIPC_NLA_NET_MAX + 1] = { |
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[TIPC_NLA_NET_UNSPEC] = { .type = NLA_UNSPEC }, |
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[TIPC_NLA_NET_ID] = { .type = NLA_U32 }, |
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[TIPC_NLA_NET_ADDR] = { .type = NLA_U32 }, |
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[TIPC_NLA_NET_NODEID] = { .type = NLA_U64 }, |
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[TIPC_NLA_NET_NODEID_W1] = { .type = NLA_U64 }, |
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[TIPC_NLA_NET_ADDR_LEGACY] = { .type = NLA_FLAG } |
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}; |
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const struct nla_policy tipc_nl_link_policy[TIPC_NLA_LINK_MAX + 1] = { |
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[TIPC_NLA_LINK_UNSPEC] = { .type = NLA_UNSPEC }, |
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[TIPC_NLA_LINK_NAME] = { .type = NLA_STRING, |
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.len = TIPC_MAX_LINK_NAME }, |
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[TIPC_NLA_LINK_MTU] = { .type = NLA_U32 }, |
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[TIPC_NLA_LINK_BROADCAST] = { .type = NLA_FLAG }, |
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[TIPC_NLA_LINK_UP] = { .type = NLA_FLAG }, |
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[TIPC_NLA_LINK_ACTIVE] = { .type = NLA_FLAG }, |
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[TIPC_NLA_LINK_PROP] = { .type = NLA_NESTED }, |
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[TIPC_NLA_LINK_STATS] = { .type = NLA_NESTED }, |
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[TIPC_NLA_LINK_RX] = { .type = NLA_U32 }, |
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[TIPC_NLA_LINK_TX] = { .type = NLA_U32 } |
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}; |
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const struct nla_policy tipc_nl_node_policy[TIPC_NLA_NODE_MAX + 1] = { |
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[TIPC_NLA_NODE_UNSPEC] = { .type = NLA_UNSPEC }, |
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[TIPC_NLA_NODE_ADDR] = { .type = NLA_U32 }, |
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[TIPC_NLA_NODE_UP] = { .type = NLA_FLAG }, |
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[TIPC_NLA_NODE_ID] = { .type = NLA_BINARY, |
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.len = TIPC_NODEID_LEN}, |
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[TIPC_NLA_NODE_KEY] = { .type = NLA_BINARY, |
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.len = TIPC_AEAD_KEY_SIZE_MAX}, |
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[TIPC_NLA_NODE_KEY_MASTER] = { .type = NLA_FLAG }, |
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[TIPC_NLA_NODE_REKEYING] = { .type = NLA_U32 }, |
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}; |
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/* Properties valid for media, bearer and link */ |
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const struct nla_policy tipc_nl_prop_policy[TIPC_NLA_PROP_MAX + 1] = { |
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[TIPC_NLA_PROP_UNSPEC] = { .type = NLA_UNSPEC }, |
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[TIPC_NLA_PROP_PRIO] = { .type = NLA_U32 }, |
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[TIPC_NLA_PROP_TOL] = { .type = NLA_U32 }, |
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[TIPC_NLA_PROP_WIN] = { .type = NLA_U32 }, |
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[TIPC_NLA_PROP_MTU] = { .type = NLA_U32 }, |
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[TIPC_NLA_PROP_BROADCAST] = { .type = NLA_U32 }, |
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[TIPC_NLA_PROP_BROADCAST_RATIO] = { .type = NLA_U32 } |
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}; |
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const struct nla_policy tipc_nl_bearer_policy[TIPC_NLA_BEARER_MAX + 1] = { |
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[TIPC_NLA_BEARER_UNSPEC] = { .type = NLA_UNSPEC }, |
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[TIPC_NLA_BEARER_NAME] = { .type = NLA_STRING, |
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.len = TIPC_MAX_BEARER_NAME }, |
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[TIPC_NLA_BEARER_PROP] = { .type = NLA_NESTED }, |
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[TIPC_NLA_BEARER_DOMAIN] = { .type = NLA_U32 } |
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}; |
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const struct nla_policy tipc_nl_media_policy[TIPC_NLA_MEDIA_MAX + 1] = { |
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[TIPC_NLA_MEDIA_UNSPEC] = { .type = NLA_UNSPEC }, |
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[TIPC_NLA_MEDIA_NAME] = { .type = NLA_STRING }, |
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[TIPC_NLA_MEDIA_PROP] = { .type = NLA_NESTED } |
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}; |
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const struct nla_policy tipc_nl_udp_policy[TIPC_NLA_UDP_MAX + 1] = { |
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[TIPC_NLA_UDP_UNSPEC] = {.type = NLA_UNSPEC}, |
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[TIPC_NLA_UDP_LOCAL] = {.type = NLA_BINARY, |
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.len = sizeof(struct sockaddr_storage)}, |
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[TIPC_NLA_UDP_REMOTE] = {.type = NLA_BINARY, |
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.len = sizeof(struct sockaddr_storage)}, |
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}; |
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/* Users of the legacy API (tipc-config) can't handle that we add operations, |
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* so we have a separate genl handling for the new API. |
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*/ |
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static const struct genl_ops tipc_genl_v2_ops[] = { |
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{ |
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.cmd = TIPC_NL_BEARER_DISABLE, |
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.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
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.doit = tipc_nl_bearer_disable, |
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}, |
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{ |
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.cmd = TIPC_NL_BEARER_ENABLE, |
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.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
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.doit = tipc_nl_bearer_enable, |
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}, |
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{ |
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.cmd = TIPC_NL_BEARER_GET, |
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.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
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.doit = tipc_nl_bearer_get, |
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.dumpit = tipc_nl_bearer_dump, |
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}, |
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{ |
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.cmd = TIPC_NL_BEARER_ADD, |
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.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
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.doit = tipc_nl_bearer_add, |
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}, |
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{ |
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.cmd = TIPC_NL_BEARER_SET, |
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.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
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.doit = tipc_nl_bearer_set, |
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}, |
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{ |
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.cmd = TIPC_NL_SOCK_GET, |
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.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
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.start = tipc_dump_start, |
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.dumpit = tipc_nl_sk_dump, |
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.done = tipc_dump_done, |
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}, |
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{ |
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.cmd = TIPC_NL_PUBL_GET, |
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.validate = GENL_DONT_VALIDATE_STRICT | |
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GENL_DONT_VALIDATE_DUMP_STRICT, |
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.dumpit = tipc_nl_publ_dump, |
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}, |
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{ |
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.cmd = TIPC_NL_LINK_GET, |
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.validate = GENL_DONT_VALIDATE_STRICT, |
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.doit = tipc_nl_node_get_link, |
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.dumpit = tipc_nl_node_dump_link, |
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}, |
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{ |
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.cmd = TIPC_NL_LINK_SET, |
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.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
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.doit = tipc_nl_node_set_link, |
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}, |
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{ |
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.cmd = TIPC_NL_LINK_RESET_STATS, |
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.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
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.doit = tipc_nl_node_reset_link_stats, |
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}, |
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{ |
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.cmd = TIPC_NL_MEDIA_GET, |
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.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
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.doit = tipc_nl_media_get, |
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.dumpit = tipc_nl_media_dump, |
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}, |
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{ |
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.cmd = TIPC_NL_MEDIA_SET, |
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.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
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.doit = tipc_nl_media_set, |
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}, |
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{ |
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.cmd = TIPC_NL_NODE_GET, |
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.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
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.dumpit = tipc_nl_node_dump, |
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}, |
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{ |
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.cmd = TIPC_NL_NET_GET, |
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.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
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.dumpit = tipc_nl_net_dump, |
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}, |
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{ |
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.cmd = TIPC_NL_NET_SET, |
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.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
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.doit = tipc_nl_net_set, |
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}, |
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{ |
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.cmd = TIPC_NL_NAME_TABLE_GET, |
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.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
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.dumpit = tipc_nl_name_table_dump, |
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}, |
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{ |
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.cmd = TIPC_NL_MON_SET, |
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.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
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.doit = tipc_nl_node_set_monitor, |
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}, |
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{ |
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.cmd = TIPC_NL_MON_GET, |
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.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
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.doit = tipc_nl_node_get_monitor, |
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.dumpit = tipc_nl_node_dump_monitor, |
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}, |
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{ |
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.cmd = TIPC_NL_MON_PEER_GET, |
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.validate = GENL_DONT_VALIDATE_STRICT | |
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GENL_DONT_VALIDATE_DUMP_STRICT, |
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.dumpit = tipc_nl_node_dump_monitor_peer, |
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}, |
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{ |
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.cmd = TIPC_NL_PEER_REMOVE, |
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.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
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.doit = tipc_nl_peer_rm, |
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}, |
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#ifdef CONFIG_TIPC_MEDIA_UDP |
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{ |
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.cmd = TIPC_NL_UDP_GET_REMOTEIP, |
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.validate = GENL_DONT_VALIDATE_STRICT | |
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GENL_DONT_VALIDATE_DUMP_STRICT, |
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.dumpit = tipc_udp_nl_dump_remoteip, |
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}, |
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#endif |
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#ifdef CONFIG_TIPC_CRYPTO |
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{ |
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.cmd = TIPC_NL_KEY_SET, |
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.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
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.doit = tipc_nl_node_set_key, |
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}, |
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{ |
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.cmd = TIPC_NL_KEY_FLUSH, |
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.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
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.doit = tipc_nl_node_flush_key, |
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}, |
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#endif |
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{ |
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.cmd = TIPC_NL_ADDR_LEGACY_GET, |
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.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
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.doit = tipc_nl_net_addr_legacy_get, |
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}, |
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}; |
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struct genl_family tipc_genl_family __ro_after_init = { |
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.name = TIPC_GENL_V2_NAME, |
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.version = TIPC_GENL_V2_VERSION, |
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.hdrsize = 0, |
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.maxattr = TIPC_NLA_MAX, |
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.policy = tipc_nl_policy, |
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.netnsok = true, |
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.module = THIS_MODULE, |
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.ops = tipc_genl_v2_ops, |
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.n_ops = ARRAY_SIZE(tipc_genl_v2_ops), |
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}; |
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int __init tipc_netlink_start(void) |
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{ |
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int res; |
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res = genl_register_family(&tipc_genl_family); |
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if (res) { |
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pr_err("Failed to register netlink interface\n"); |
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return res; |
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} |
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return 0; |
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} |
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void tipc_netlink_stop(void) |
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{ |
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genl_unregister_family(&tipc_genl_family); |
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}
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