rtnetlink.c (e3c55d406bd8df1a878546002c93db90c42be10c) rtnetlink.c (7f29405403d7c17f539c099987972b862e7e5255)
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>

--- 1633 unchanged lines hidden (view full) ---

1642 old_flags = dev->flags;
1643 if (ifm && (ifm->ifi_flags || ifm->ifi_change)) {
1644 err = __dev_change_flags(dev, rtnl_dev_combine_flags(dev, ifm));
1645 if (err < 0)
1646 return err;
1647 }
1648
1649 dev->rtnl_link_state = RTNL_LINK_INITIALIZED;
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>

--- 1633 unchanged lines hidden (view full) ---

1642 old_flags = dev->flags;
1643 if (ifm && (ifm->ifi_flags || ifm->ifi_change)) {
1644 err = __dev_change_flags(dev, rtnl_dev_combine_flags(dev, ifm));
1645 if (err < 0)
1646 return err;
1647 }
1648
1649 dev->rtnl_link_state = RTNL_LINK_INITIALIZED;
1650 rtmsg_ifinfo(RTM_NEWLINK, dev, ~0U);
1651
1650
1652 __dev_notify_flags(dev, old_flags);
1651 __dev_notify_flags(dev, old_flags, ~0U);
1653 return 0;
1654}
1655EXPORT_SYMBOL(rtnl_configure_link);
1656
1657struct net_device *rtnl_create_link(struct net *net,
1658 char *ifname, const struct rtnl_link_ops *ops, struct nlattr *tb[])
1659{
1660 int err;

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1980 if (rtnl_msg_handlers[idx][type].dumpit(skb, cb))
1981 break;
1982 }
1983 cb->family = idx;
1984
1985 return skb->len;
1986}
1987
1652 return 0;
1653}
1654EXPORT_SYMBOL(rtnl_configure_link);
1655
1656struct net_device *rtnl_create_link(struct net *net,
1657 char *ifname, const struct rtnl_link_ops *ops, struct nlattr *tb[])
1658{
1659 int err;

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1979 if (rtnl_msg_handlers[idx][type].dumpit(skb, cb))
1980 break;
1981 }
1982 cb->family = idx;
1983
1984 return skb->len;
1985}
1986
1988void rtmsg_ifinfo(int type, struct net_device *dev, unsigned int change)
1987void rtmsg_ifinfo(int type, struct net_device *dev, unsigned int change,
1988 gfp_t flags)
1989{
1990 struct net *net = dev_net(dev);
1991 struct sk_buff *skb;
1992 int err = -ENOBUFS;
1993 size_t if_info_size;
1994
1989{
1990 struct net *net = dev_net(dev);
1991 struct sk_buff *skb;
1992 int err = -ENOBUFS;
1993 size_t if_info_size;
1994
1995 skb = nlmsg_new((if_info_size = if_nlmsg_size(dev, 0)), GFP_KERNEL);
1995 skb = nlmsg_new((if_info_size = if_nlmsg_size(dev, 0)), flags);
1996 if (skb == NULL)
1997 goto errout;
1998
1999 err = rtnl_fill_ifinfo(skb, dev, type, 0, 0, change, 0, 0);
2000 if (err < 0) {
2001 /* -EMSGSIZE implies BUG in if_nlmsg_size() */
2002 WARN_ON(err == -EMSGSIZE);
2003 kfree_skb(skb);
2004 goto errout;
2005 }
1996 if (skb == NULL)
1997 goto errout;
1998
1999 err = rtnl_fill_ifinfo(skb, dev, type, 0, 0, change, 0, 0);
2000 if (err < 0) {
2001 /* -EMSGSIZE implies BUG in if_nlmsg_size() */
2002 WARN_ON(err == -EMSGSIZE);
2003 kfree_skb(skb);
2004 goto errout;
2005 }
2006 rtnl_notify(skb, net, 0, RTNLGRP_LINK, NULL, GFP_KERNEL);
2006 rtnl_notify(skb, net, 0, RTNLGRP_LINK, NULL, flags);
2007 return;
2008errout:
2009 if (err < 0)
2010 rtnl_set_sk_err(net, RTNLGRP_LINK, err);
2011}
2012EXPORT_SYMBOL(rtmsg_ifinfo);
2013
2014static int nlmsg_populate_fdb_fill(struct sk_buff *skb,

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2712 case NETDEV_PRE_TYPE_CHANGE:
2713 case NETDEV_GOING_DOWN:
2714 case NETDEV_UNREGISTER:
2715 case NETDEV_UNREGISTER_FINAL:
2716 case NETDEV_RELEASE:
2717 case NETDEV_JOIN:
2718 break;
2719 default:
2007 return;
2008errout:
2009 if (err < 0)
2010 rtnl_set_sk_err(net, RTNLGRP_LINK, err);
2011}
2012EXPORT_SYMBOL(rtmsg_ifinfo);
2013
2014static int nlmsg_populate_fdb_fill(struct sk_buff *skb,

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2712 case NETDEV_PRE_TYPE_CHANGE:
2713 case NETDEV_GOING_DOWN:
2714 case NETDEV_UNREGISTER:
2715 case NETDEV_UNREGISTER_FINAL:
2716 case NETDEV_RELEASE:
2717 case NETDEV_JOIN:
2718 break;
2719 default:
2720 rtmsg_ifinfo(RTM_NEWLINK, dev, 0);
2720 rtmsg_ifinfo(RTM_NEWLINK, dev, 0, GFP_KERNEL);
2721 break;
2722 }
2723 return NOTIFY_DONE;
2724}
2725
2726static struct notifier_block rtnetlink_dev_notifier = {
2727 .notifier_call = rtnetlink_event,
2728};

--- 55 unchanged lines hidden --- 		2721 break;
2722 }
2723 return NOTIFY_DONE;
2724}
2725
2726static struct notifier_block rtnetlink_dev_notifier = {
2727 .notifier_call = rtnetlink_event,
2728};

--- 55 unchanged lines hidden ---