rtnetlink.c (a13511dfa836c8305a737436eed3ba9a8e74a826) rtnetlink.c (d0522f1cd25edb796548f91e04766fa3cbc3b6df)
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>

--- 2871 unchanged lines hidden (view full) ---

2880 } else {
2881 dev->rtnl_link_state = RTNL_LINK_INITIALIZED;
2882 __dev_notify_flags(dev, old_flags, ~0U);
2883 }
2884 return 0;
2885}
2886EXPORT_SYMBOL(rtnl_configure_link);
2887
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>

--- 2871 unchanged lines hidden (view full) ---

2880 } else {
2881 dev->rtnl_link_state = RTNL_LINK_INITIALIZED;
2882 __dev_notify_flags(dev, old_flags, ~0U);
2883 }
2884 return 0;
2885}
2886EXPORT_SYMBOL(rtnl_configure_link);
2887
2888struct net_device *rtnl_create_link(struct net *net,
2889 const char *ifname, unsigned char name_assign_type,
2890 const struct rtnl_link_ops *ops, struct nlattr *tb[])
2888struct net_device *rtnl_create_link(struct net *net, const char *ifname,
2889 unsigned char name_assign_type,
2890 const struct rtnl_link_ops *ops,
2891 struct nlattr *tb[],
2892 struct netlink_ext_ack *extack)
2891{
2892 struct net_device *dev;
2893 unsigned int num_tx_queues = 1;
2894 unsigned int num_rx_queues = 1;
2895
2896 if (tb[IFLA_NUM_TX_QUEUES])
2897 num_tx_queues = nla_get_u32(tb[IFLA_NUM_TX_QUEUES]);
2898 else if (ops->get_num_tx_queues)
2899 num_tx_queues = ops->get_num_tx_queues();
2900
2901 if (tb[IFLA_NUM_RX_QUEUES])
2902 num_rx_queues = nla_get_u32(tb[IFLA_NUM_RX_QUEUES]);
2903 else if (ops->get_num_rx_queues)
2904 num_rx_queues = ops->get_num_rx_queues();
2905
2893{
2894 struct net_device *dev;
2895 unsigned int num_tx_queues = 1;
2896 unsigned int num_rx_queues = 1;
2897
2898 if (tb[IFLA_NUM_TX_QUEUES])
2899 num_tx_queues = nla_get_u32(tb[IFLA_NUM_TX_QUEUES]);
2900 else if (ops->get_num_tx_queues)
2901 num_tx_queues = ops->get_num_tx_queues();
2902
2903 if (tb[IFLA_NUM_RX_QUEUES])
2904 num_rx_queues = nla_get_u32(tb[IFLA_NUM_RX_QUEUES]);
2905 else if (ops->get_num_rx_queues)
2906 num_rx_queues = ops->get_num_rx_queues();
2907
2906 if (num_tx_queues < 1 || num_tx_queues > 4096)
2908 if (num_tx_queues < 1 || num_tx_queues > 4096) {
2909 NL_SET_ERR_MSG(extack, "Invalid number of transmit queues");
2907 return ERR_PTR(-EINVAL);
2910 return ERR_PTR(-EINVAL);
2911 }
2908
2912
2909 if (num_rx_queues < 1 || num_rx_queues > 4096)
2913 if (num_rx_queues < 1 || num_rx_queues > 4096) {
2914 NL_SET_ERR_MSG(extack, "Invalid number of receive queues");
2910 return ERR_PTR(-EINVAL);
2915 return ERR_PTR(-EINVAL);
2916 }
2911
2912 dev = alloc_netdev_mqs(ops->priv_size, ifname, name_assign_type,
2913 ops->setup, num_tx_queues, num_rx_queues);
2914 if (!dev)
2915 return ERR_PTR(-ENOMEM);
2916
2917 dev_net_set(dev, net);
2918 dev->rtnl_link_ops = ops;

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3158 goto out;
3159 }
3160 err = -EPERM;
3161 if (!netlink_ns_capable(skb, link_net->user_ns, CAP_NET_ADMIN))
3162 goto out;
3163 }
3164
3165 dev = rtnl_create_link(link_net ? : dest_net, ifname,
2917
2918 dev = alloc_netdev_mqs(ops->priv_size, ifname, name_assign_type,
2919 ops->setup, num_tx_queues, num_rx_queues);
2920 if (!dev)
2921 return ERR_PTR(-ENOMEM);
2922
2923 dev_net_set(dev, net);
2924 dev->rtnl_link_ops = ops;

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

3164 goto out;
3165 }
3166 err = -EPERM;
3167 if (!netlink_ns_capable(skb, link_net->user_ns, CAP_NET_ADMIN))
3168 goto out;
3169 }
3170
3171 dev = rtnl_create_link(link_net ? : dest_net, ifname,
3166 name_assign_type, ops, tb);
3172 name_assign_type, ops, tb, extack);
3167 if (IS_ERR(dev)) {
3168 err = PTR_ERR(dev);
3169 goto out;
3170 }
3171
3172 dev->ifindex = ifm->ifi_index;
3173
3174 if (ops->newlink) {

--- 1894 unchanged lines hidden --- 		3173 if (IS_ERR(dev)) {
3174 err = PTR_ERR(dev);
3175 goto out;
3176 }
3177
3178 dev->ifindex = ifm->ifi_index;
3179
3180 if (ops->newlink) {

--- 1894 unchanged lines hidden ---