rtnetlink.c (d079535d5e1bf5e2e7c856bae2483414ea21e137) rtnetlink.c (66400d543072d6ff6f8df036e3f12f5c154c19cc)
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>

--- 968 unchanged lines hidden (view full) ---

977 }
978
979 if (nla_put(skb, IFLA_PHYS_PORT_ID, ppid.id_len, ppid.id))
980 return -EMSGSIZE;
981
982 return 0;
983}
984
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>

--- 968 unchanged lines hidden (view full) ---

977 }
978
979 if (nla_put(skb, IFLA_PHYS_PORT_ID, ppid.id_len, ppid.id))
980 return -EMSGSIZE;
981
982 return 0;
983}
984
985static int rtnl_phys_port_name_fill(struct sk_buff *skb, struct net_device *dev)
986{
987 char name[IFNAMSIZ];
988 int err;
989
990 err = dev_get_phys_port_name(dev, name, sizeof(name));
991 if (err) {
992 if (err == -EOPNOTSUPP)
993 return 0;
994 return err;
995 }
996
997 if (nla_put(skb, IFLA_PHYS_PORT_NAME, strlen(name), name))
998 return -EMSGSIZE;
999
1000 return 0;
1001}
1002
985static int rtnl_phys_switch_id_fill(struct sk_buff *skb, struct net_device *dev)
986{
987 int err;
988 struct netdev_phys_item_id psid;
989
990 err = netdev_switch_parent_id_get(dev, &psid);
991 if (err) {
992 if (err == -EOPNOTSUPP)

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1067 if (nla_put(skb, IFLA_ADDRESS, dev->addr_len, dev->dev_addr) ||
1068 nla_put(skb, IFLA_BROADCAST, dev->addr_len, dev->broadcast))
1069 goto nla_put_failure;
1070 }
1071
1072 if (rtnl_phys_port_id_fill(skb, dev))
1073 goto nla_put_failure;
1074
1003static int rtnl_phys_switch_id_fill(struct sk_buff *skb, struct net_device *dev)
1004{
1005 int err;
1006 struct netdev_phys_item_id psid;
1007
1008 err = netdev_switch_parent_id_get(dev, &psid);
1009 if (err) {
1010 if (err == -EOPNOTSUPP)

--- 74 unchanged lines hidden (view full) ---

1085 if (nla_put(skb, IFLA_ADDRESS, dev->addr_len, dev->dev_addr) ||
1086 nla_put(skb, IFLA_BROADCAST, dev->addr_len, dev->broadcast))
1087 goto nla_put_failure;
1088 }
1089
1090 if (rtnl_phys_port_id_fill(skb, dev))
1091 goto nla_put_failure;
1092
1093 if (rtnl_phys_port_name_fill(skb, dev))
1094 goto nla_put_failure;
1095
1075 if (rtnl_phys_switch_id_fill(skb, dev))
1076 goto nla_put_failure;
1077
1078 attr = nla_reserve(skb, IFLA_STATS,
1079 sizeof(struct rtnl_link_stats));
1080 if (attr == NULL)
1081 goto nla_put_failure;
1082

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1810 if (err < 0)
1811 goto errout;
1812
1813 err = do_setlink(skb, dev, ifm, tb, ifname, 0);
1814errout:
1815 return err;
1816}
1817
1096 if (rtnl_phys_switch_id_fill(skb, dev))
1097 goto nla_put_failure;
1098
1099 attr = nla_reserve(skb, IFLA_STATS,
1100 sizeof(struct rtnl_link_stats));
1101 if (attr == NULL)
1102 goto nla_put_failure;
1103

--- 727 unchanged lines hidden (view full) ---

1831 if (err < 0)
1832 goto errout;
1833
1834 err = do_setlink(skb, dev, ifm, tb, ifname, 0);
1835errout:
1836 return err;
1837}
1838
1839static int rtnl_group_dellink(const struct net *net, int group)
1840{
1841 struct net_device *dev, *aux;
1842 LIST_HEAD(list_kill);
1843 bool found = false;
1844
1845 if (!group)
1846 return -EPERM;
1847
1848 for_each_netdev(net, dev) {
1849 if (dev->group == group) {
1850 const struct rtnl_link_ops *ops;
1851
1852 found = true;
1853 ops = dev->rtnl_link_ops;
1854 if (!ops || !ops->dellink)
1855 return -EOPNOTSUPP;
1856 }
1857 }
1858
1859 if (!found)
1860 return -ENODEV;
1861
1862 for_each_netdev_safe(net, dev, aux) {
1863 if (dev->group == group) {
1864 const struct rtnl_link_ops *ops;
1865
1866 ops = dev->rtnl_link_ops;
1867 ops->dellink(dev, &list_kill);
1868 }
1869 }
1870 unregister_netdevice_many(&list_kill);
1871
1872 return 0;
1873}
1874
1818static int rtnl_dellink(struct sk_buff *skb, struct nlmsghdr *nlh)
1819{
1820 struct net *net = sock_net(skb->sk);
1821 const struct rtnl_link_ops *ops;
1822 struct net_device *dev;
1823 struct ifinfomsg *ifm;
1824 char ifname[IFNAMSIZ];
1825 struct nlattr *tb[IFLA_MAX+1];

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1833 if (tb[IFLA_IFNAME])
1834 nla_strlcpy(ifname, tb[IFLA_IFNAME], IFNAMSIZ);
1835
1836 ifm = nlmsg_data(nlh);
1837 if (ifm->ifi_index > 0)
1838 dev = __dev_get_by_index(net, ifm->ifi_index);
1839 else if (tb[IFLA_IFNAME])
1840 dev = __dev_get_by_name(net, ifname);
1875static int rtnl_dellink(struct sk_buff *skb, struct nlmsghdr *nlh)
1876{
1877 struct net *net = sock_net(skb->sk);
1878 const struct rtnl_link_ops *ops;
1879 struct net_device *dev;
1880 struct ifinfomsg *ifm;
1881 char ifname[IFNAMSIZ];
1882 struct nlattr *tb[IFLA_MAX+1];

--- 7 unchanged lines hidden (view full) ---

1890 if (tb[IFLA_IFNAME])
1891 nla_strlcpy(ifname, tb[IFLA_IFNAME], IFNAMSIZ);
1892
1893 ifm = nlmsg_data(nlh);
1894 if (ifm->ifi_index > 0)
1895 dev = __dev_get_by_index(net, ifm->ifi_index);
1896 else if (tb[IFLA_IFNAME])
1897 dev = __dev_get_by_name(net, ifname);
1898 else if (tb[IFLA_GROUP])
1899 return rtnl_group_dellink(net, nla_get_u32(tb[IFLA_GROUP]));
1841 else
1842 return -EINVAL;
1843
1844 if (!dev)
1845 return -ENODEV;
1846
1847 ops = dev->rtnl_link_ops;
1848 if (!ops || !ops->dellink)

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1927}
1928EXPORT_SYMBOL(rtnl_create_link);
1929
1930static int rtnl_group_changelink(const struct sk_buff *skb,
1931 struct net *net, int group,
1932 struct ifinfomsg *ifm,
1933 struct nlattr **tb)
1934{
1900 else
1901 return -EINVAL;
1902
1903 if (!dev)
1904 return -ENODEV;
1905
1906 ops = dev->rtnl_link_ops;
1907 if (!ops || !ops->dellink)

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1986}
1987EXPORT_SYMBOL(rtnl_create_link);
1988
1989static int rtnl_group_changelink(const struct sk_buff *skb,
1990 struct net *net, int group,
1991 struct ifinfomsg *ifm,
1992 struct nlattr **tb)
1993{
1935 struct net_device *dev, *aux;
1994 struct net_device *dev;
1936 int err;
1937
1995 int err;
1996
1938 for_each_netdev_safe(net, dev, aux) {
1997 for_each_netdev(net, dev) {
1939 if (dev->group == group) {
1940 err = do_setlink(skb, dev, ifm, tb, NULL, 0);
1941 if (err < 0)
1942 return err;
1943 }
1944 }
1945
1946 return 0;

--- 1313 unchanged lines hidden --- 		1998 if (dev->group == group) {
1999 err = do_setlink(skb, dev, ifm, tb, NULL, 0);
2000 if (err < 0)
2001 return err;
2002 }
2003 }
2004
2005 return 0;

--- 1313 unchanged lines hidden ---