diff options
Diffstat (limited to 'net/tipc/netlink.c')
| -rw-r--r-- | net/tipc/netlink.c | 133 |
1 files changed, 132 insertions, 1 deletions
diff --git a/net/tipc/netlink.c b/net/tipc/netlink.c index ad844d365340..b891e3905bc4 100644 --- a/net/tipc/netlink.c +++ b/net/tipc/netlink.c | |||
| @@ -1,7 +1,7 @@ | |||
| 1 | /* | 1 | /* |
| 2 | * net/tipc/netlink.c: TIPC configuration handling | 2 | * net/tipc/netlink.c: TIPC configuration handling |
| 3 | * | 3 | * |
| 4 | * Copyright (c) 2005-2006, Ericsson AB | 4 | * Copyright (c) 2005-2006, 2014, Ericsson AB |
| 5 | * Copyright (c) 2005-2007, Wind River Systems | 5 | * Copyright (c) 2005-2007, Wind River Systems |
| 6 | * All rights reserved. | 6 | * All rights reserved. |
| 7 | * | 7 | * |
| @@ -36,6 +36,12 @@ | |||
| 36 | 36 | ||
| 37 | #include "core.h" | 37 | #include "core.h" |
| 38 | #include "config.h" | 38 | #include "config.h" |
| 39 | #include "socket.h" | ||
| 40 | #include "name_table.h" | ||
| 41 | #include "bearer.h" | ||
| 42 | #include "link.h" | ||
| 43 | #include "node.h" | ||
| 44 | #include "net.h" | ||
| 39 | #include <net/genetlink.h> | 45 | #include <net/genetlink.h> |
| 40 | 46 | ||
| 41 | static int handle_cmd(struct sk_buff *skb, struct genl_info *info) | 47 | static int handle_cmd(struct sk_buff *skb, struct genl_info *info) |
| @@ -68,6 +74,19 @@ static int handle_cmd(struct sk_buff *skb, struct genl_info *info) | |||
| 68 | return 0; | 74 | return 0; |
| 69 | } | 75 | } |
| 70 | 76 | ||
| 77 | static const struct nla_policy tipc_nl_policy[TIPC_NLA_MAX + 1] = { | ||
| 78 | [TIPC_NLA_UNSPEC] = { .type = NLA_UNSPEC, }, | ||
| 79 | [TIPC_NLA_BEARER] = { .type = NLA_NESTED, }, | ||
| 80 | [TIPC_NLA_SOCK] = { .type = NLA_NESTED, }, | ||
| 81 | [TIPC_NLA_PUBL] = { .type = NLA_NESTED, }, | ||
| 82 | [TIPC_NLA_LINK] = { .type = NLA_NESTED, }, | ||
| 83 | [TIPC_NLA_MEDIA] = { .type = NLA_NESTED, }, | ||
| 84 | [TIPC_NLA_NODE] = { .type = NLA_NESTED, }, | ||
| 85 | [TIPC_NLA_NET] = { .type = NLA_NESTED, }, | ||
| 86 | [TIPC_NLA_NAME_TABLE] = { .type = NLA_NESTED, } | ||
| 87 | }; | ||
| 88 | |||
| 89 | /* Legacy ASCII API */ | ||
| 71 | static struct genl_family tipc_genl_family = { | 90 | static struct genl_family tipc_genl_family = { |
| 72 | .id = GENL_ID_GENERATE, | 91 | .id = GENL_ID_GENERATE, |
| 73 | .name = TIPC_GENL_NAME, | 92 | .name = TIPC_GENL_NAME, |
| @@ -76,6 +95,7 @@ static struct genl_family tipc_genl_family = { | |||
| 76 | .maxattr = 0, | 95 | .maxattr = 0, |
| 77 | }; | 96 | }; |
| 78 | 97 | ||
| 98 | /* Legacy ASCII API */ | ||
| 79 | static struct genl_ops tipc_genl_ops[] = { | 99 | static struct genl_ops tipc_genl_ops[] = { |
| 80 | { | 100 | { |
| 81 | .cmd = TIPC_GENL_CMD, | 101 | .cmd = TIPC_GENL_CMD, |
| @@ -83,12 +103,122 @@ static struct genl_ops tipc_genl_ops[] = { | |||
| 83 | }, | 103 | }, |
| 84 | }; | 104 | }; |
| 85 | 105 | ||
| 106 | /* Users of the legacy API (tipc-config) can't handle that we add operations, | ||
| 107 | * so we have a separate genl handling for the new API. | ||
| 108 | */ | ||
| 109 | struct genl_family tipc_genl_v2_family = { | ||
| 110 | .id = GENL_ID_GENERATE, | ||
| 111 | .name = TIPC_GENL_V2_NAME, | ||
| 112 | .version = TIPC_GENL_V2_VERSION, | ||
| 113 | .hdrsize = 0, | ||
| 114 | .maxattr = TIPC_NLA_MAX, | ||
| 115 | }; | ||
| 116 | |||
| 117 | static const struct genl_ops tipc_genl_v2_ops[] = { | ||
| 118 | { | ||
| 119 | .cmd = TIPC_NL_BEARER_DISABLE, | ||
| 120 | .doit = tipc_nl_bearer_disable, | ||
| 121 | .policy = tipc_nl_policy, | ||
| 122 | }, | ||
| 123 | { | ||
| 124 | .cmd = TIPC_NL_BEARER_ENABLE, | ||
| 125 | .doit = tipc_nl_bearer_enable, | ||
| 126 | .policy = tipc_nl_policy, | ||
| 127 | }, | ||
| 128 | { | ||
| 129 | .cmd = TIPC_NL_BEARER_GET, | ||
| 130 | .doit = tipc_nl_bearer_get, | ||
| 131 | .dumpit = tipc_nl_bearer_dump, | ||
| 132 | .policy = tipc_nl_policy, | ||
| 133 | }, | ||
| 134 | { | ||
| 135 | .cmd = TIPC_NL_BEARER_SET, | ||
| 136 | .doit = tipc_nl_bearer_set, | ||
| 137 | .policy = tipc_nl_policy, | ||
| 138 | }, | ||
| 139 | { | ||
| 140 | .cmd = TIPC_NL_SOCK_GET, | ||
| 141 | .dumpit = tipc_nl_sk_dump, | ||
| 142 | .policy = tipc_nl_policy, | ||
| 143 | }, | ||
| 144 | { | ||
| 145 | .cmd = TIPC_NL_PUBL_GET, | ||
| 146 | .dumpit = tipc_nl_publ_dump, | ||
| 147 | .policy = tipc_nl_policy, | ||
| 148 | }, | ||
| 149 | { | ||
| 150 | .cmd = TIPC_NL_LINK_GET, | ||
| 151 | .doit = tipc_nl_link_get, | ||
| 152 | .dumpit = tipc_nl_link_dump, | ||
| 153 | .policy = tipc_nl_policy, | ||
| 154 | }, | ||
| 155 | { | ||
| 156 | .cmd = TIPC_NL_LINK_SET, | ||
| 157 | .doit = tipc_nl_link_set, | ||
| 158 | .policy = tipc_nl_policy, | ||
| 159 | }, | ||
| 160 | { | ||
| 161 | .cmd = TIPC_NL_LINK_RESET_STATS, | ||
| 162 | .doit = tipc_nl_link_reset_stats, | ||
| 163 | .policy = tipc_nl_policy, | ||
| 164 | }, | ||
| 165 | { | ||
| 166 | .cmd = TIPC_NL_MEDIA_GET, | ||
| 167 | .doit = tipc_nl_media_get, | ||
| 168 | .dumpit = tipc_nl_media_dump, | ||
| 169 | .policy = tipc_nl_policy, | ||
| 170 | }, | ||
| 171 | { | ||
| 172 | .cmd = TIPC_NL_MEDIA_SET, | ||
| 173 | .doit = tipc_nl_media_set, | ||
| 174 | .policy = tipc_nl_policy, | ||
| 175 | }, | ||
| 176 | { | ||
| 177 | .cmd = TIPC_NL_NODE_GET, | ||
| 178 | .dumpit = tipc_nl_node_dump, | ||
| 179 | .policy = tipc_nl_policy, | ||
| 180 | }, | ||
| 181 | { | ||
| 182 | .cmd = TIPC_NL_NET_GET, | ||
| 183 | .dumpit = tipc_nl_net_dump, | ||
| 184 | .policy = tipc_nl_policy, | ||
| 185 | }, | ||
| 186 | { | ||
| 187 | .cmd = TIPC_NL_NET_SET, | ||
| 188 | .doit = tipc_nl_net_set, | ||
| 189 | .policy = tipc_nl_policy, | ||
| 190 | }, | ||
| 191 | { | ||
| 192 | .cmd = TIPC_NL_NAME_TABLE_GET, | ||
| 193 | .dumpit = tipc_nl_name_table_dump, | ||
| 194 | .policy = tipc_nl_policy, | ||
| 195 | } | ||
| 196 | }; | ||
| 197 | |||
| 198 | int tipc_nlmsg_parse(const struct nlmsghdr *nlh, struct nlattr ***attr) | ||
| 199 | { | ||
| 200 | u32 maxattr = tipc_genl_v2_family.maxattr; | ||
| 201 | |||
| 202 | *attr = tipc_genl_v2_family.attrbuf; | ||
| 203 | if (!*attr) | ||
| 204 | return -EOPNOTSUPP; | ||
| 205 | |||
| 206 | return nlmsg_parse(nlh, GENL_HDRLEN, *attr, maxattr, tipc_nl_policy); | ||
| 207 | } | ||
| 208 | |||
| 86 | int tipc_netlink_start(void) | 209 | int tipc_netlink_start(void) |
| 87 | { | 210 | { |
| 88 | int res; | 211 | int res; |
| 89 | 212 | ||
| 90 | res = genl_register_family_with_ops(&tipc_genl_family, tipc_genl_ops); | 213 | res = genl_register_family_with_ops(&tipc_genl_family, tipc_genl_ops); |
| 91 | if (res) { | 214 | if (res) { |
| 215 | pr_err("Failed to register legacy interface\n"); | ||
| 216 | return res; | ||
| 217 | } | ||
| 218 | |||
| 219 | res = genl_register_family_with_ops(&tipc_genl_v2_family, | ||
| 220 | tipc_genl_v2_ops); | ||
| 221 | if (res) { | ||
| 92 | pr_err("Failed to register netlink interface\n"); | 222 | pr_err("Failed to register netlink interface\n"); |
| 93 | return res; | 223 | return res; |
| 94 | } | 224 | } |
| @@ -98,4 +228,5 @@ int tipc_netlink_start(void) | |||
| 98 | void tipc_netlink_stop(void) | 228 | void tipc_netlink_stop(void) |
| 99 | { | 229 | { |
| 100 | genl_unregister_family(&tipc_genl_family); | 230 | genl_unregister_family(&tipc_genl_family); |
| 231 | genl_unregister_family(&tipc_genl_v2_family); | ||
| 101 | } | 232 | } |
