rtnetlink.c (d37512a277dfb2cef8a578e25a3246f61399a55a) rtnetlink.c (317f4810e45eebe65d4f8897670df8b779de1467)
1/*
2 * INET An implementation of the TCP/IP protocol suite for the LINUX
3 * operating system. INET is implemented using the BSD Socket
4 * interface as the means of communication with the user level.
5 *
6 * Routing netlink socket interface: protocol independent part.
7 *
8 * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>

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1243 [IFLA_AF_SPEC] = { .type = NLA_NESTED },
1244 [IFLA_EXT_MASK] = { .type = NLA_U32 },
1245 [IFLA_PROMISCUITY] = { .type = NLA_U32 },
1246 [IFLA_NUM_TX_QUEUES] = { .type = NLA_U32 },
1247 [IFLA_NUM_RX_QUEUES] = { .type = NLA_U32 },
1248 [IFLA_PHYS_PORT_ID] = { .type = NLA_BINARY, .len = MAX_PHYS_ITEM_ID_LEN },
1249 [IFLA_CARRIER_CHANGES] = { .type = NLA_U32 }, /* ignored */
1250 [IFLA_PHYS_SWITCH_ID] = { .type = NLA_BINARY, .len = MAX_PHYS_ITEM_ID_LEN },
1/*
2 * INET An implementation of the TCP/IP protocol suite for the LINUX
3 * operating system. INET is implemented using the BSD Socket
4 * interface as the means of communication with the user level.
5 *
6 * Routing netlink socket interface: protocol independent part.
7 *
8 * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>

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1243 [IFLA_AF_SPEC] = { .type = NLA_NESTED },
1244 [IFLA_EXT_MASK] = { .type = NLA_U32 },
1245 [IFLA_PROMISCUITY] = { .type = NLA_U32 },
1246 [IFLA_NUM_TX_QUEUES] = { .type = NLA_U32 },
1247 [IFLA_NUM_RX_QUEUES] = { .type = NLA_U32 },
1248 [IFLA_PHYS_PORT_ID] = { .type = NLA_BINARY, .len = MAX_PHYS_ITEM_ID_LEN },
1249 [IFLA_CARRIER_CHANGES] = { .type = NLA_U32 }, /* ignored */
1250 [IFLA_PHYS_SWITCH_ID] = { .type = NLA_BINARY, .len = MAX_PHYS_ITEM_ID_LEN },
1251 [IFLA_LINK_NETNSID] = { .type = NLA_S32 },
1251};
1252
1253static const struct nla_policy ifla_info_policy[IFLA_INFO_MAX+1] = {
1254 [IFLA_INFO_KIND] = { .type = NLA_STRING },
1255 [IFLA_INFO_DATA] = { .type = NLA_NESTED },
1256 [IFLA_INFO_SLAVE_KIND] = { .type = NLA_STRING },
1257 [IFLA_INFO_SLAVE_DATA] = { .type = NLA_NESTED },
1258};

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2016 ops = NULL;
2017 }
2018
2019 if (1) {
2020 struct nlattr *attr[ops ? ops->maxtype + 1 : 0];
2021 struct nlattr *slave_attr[m_ops ? m_ops->slave_maxtype + 1 : 0];
2022 struct nlattr **data = NULL;
2023 struct nlattr **slave_data = NULL;
1252};
1253
1254static const struct nla_policy ifla_info_policy[IFLA_INFO_MAX+1] = {
1255 [IFLA_INFO_KIND] = { .type = NLA_STRING },
1256 [IFLA_INFO_DATA] = { .type = NLA_NESTED },
1257 [IFLA_INFO_SLAVE_KIND] = { .type = NLA_STRING },
1258 [IFLA_INFO_SLAVE_DATA] = { .type = NLA_NESTED },
1259};

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2017 ops = NULL;
2018 }
2019
2020 if (1) {
2021 struct nlattr *attr[ops ? ops->maxtype + 1 : 0];
2022 struct nlattr *slave_attr[m_ops ? m_ops->slave_maxtype + 1 : 0];
2023 struct nlattr **data = NULL;
2024 struct nlattr **slave_data = NULL;
2024 struct net *dest_net;
2025 struct net *dest_net, *link_net = NULL;
2025
2026 if (ops) {
2027 if (ops->maxtype && linkinfo[IFLA_INFO_DATA]) {
2028 err = nla_parse_nested(attr, ops->maxtype,
2029 linkinfo[IFLA_INFO_DATA],
2030 ops->policy);
2031 if (err < 0)
2032 return err;

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2122 snprintf(ifname, IFNAMSIZ, "%s%%d", ops->kind);
2123 name_assign_type = NET_NAME_ENUM;
2124 }
2125
2126 dest_net = rtnl_link_get_net(net, tb);
2127 if (IS_ERR(dest_net))
2128 return PTR_ERR(dest_net);
2129
2026
2027 if (ops) {
2028 if (ops->maxtype && linkinfo[IFLA_INFO_DATA]) {
2029 err = nla_parse_nested(attr, ops->maxtype,
2030 linkinfo[IFLA_INFO_DATA],
2031 ops->policy);
2032 if (err < 0)
2033 return err;

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2123 snprintf(ifname, IFNAMSIZ, "%s%%d", ops->kind);
2124 name_assign_type = NET_NAME_ENUM;
2125 }
2126
2127 dest_net = rtnl_link_get_net(net, tb);
2128 if (IS_ERR(dest_net))
2129 return PTR_ERR(dest_net);
2130
2130 dev = rtnl_create_link(dest_net, ifname, name_assign_type, ops, tb);
2131 if (tb[IFLA_LINK_NETNSID]) {
2132 int id = nla_get_s32(tb[IFLA_LINK_NETNSID]);
2133
2134 link_net = get_net_ns_by_id(dest_net, id);
2135 if (!link_net) {
2136 err = -EINVAL;
2137 goto out;
2138 }
2139 }
2140
2141 dev = rtnl_create_link(link_net ? : dest_net, ifname,
2142 name_assign_type, ops, tb);
2131 if (IS_ERR(dev)) {
2132 err = PTR_ERR(dev);
2133 goto out;
2134 }
2135
2136 dev->ifindex = ifm->ifi_index;
2137
2138 if (ops->newlink) {

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2150 } else {
2151 err = register_netdevice(dev);
2152 if (err < 0) {
2153 free_netdev(dev);
2154 goto out;
2155 }
2156 }
2157 err = rtnl_configure_link(dev, ifm);
2143 if (IS_ERR(dev)) {
2144 err = PTR_ERR(dev);
2145 goto out;
2146 }
2147
2148 dev->ifindex = ifm->ifi_index;
2149
2150 if (ops->newlink) {

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2162 } else {
2163 err = register_netdevice(dev);
2164 if (err < 0) {
2165 free_netdev(dev);
2166 goto out;
2167 }
2168 }
2169 err = rtnl_configure_link(dev, ifm);
2158 if (err < 0)
2170 if (err < 0) {
2159 unregister_netdevice(dev);
2171 unregister_netdevice(dev);
2172 goto out;
2173 }
2174
2175 if (link_net)
2176 err = dev_change_net_namespace(dev, dest_net, ifname);
2160out:
2177out:
2178 if (link_net)
2179 put_net(link_net);
2161 put_net(dest_net);
2162 return err;
2163 }
2164}
2165
2166static int rtnl_getlink(struct sk_buff *skb, struct nlmsghdr* nlh)
2167{
2168 struct net *net = sock_net(skb->sk);

--- 1056 unchanged lines hidden --- 		2180 put_net(dest_net);
2181 return err;
2182 }
2183}
2184
2185static int rtnl_getlink(struct sk_buff *skb, struct nlmsghdr* nlh)
2186{
2187 struct net *net = sock_net(skb->sk);

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