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Jiri Pirko 5c766d642b ipv4: introduce address lifetime 
There are some usecase when lifetime of ipv4 addresses might be helpful.
For example:
1) initramfs networkmanager uses a DHCP daemon to learn network
configuration parameters
2) initramfs networkmanager addresses, routes and DNS configuration
3) initramfs networkmanager is requested to stop
4) initramfs networkmanager stops all daemons including dhclient
5) there are addresses and routes configured but no daemon running. If
the system doesn't start networkmanager for some reason, addresses and
routes will be used forever, which violates RFC 2131.

This patch is essentially a backport of ivp6 address lifetime mechanism
for ipv4 addresses.

Current "ip" tool supports this without any patch (since it does not
distinguish between ipv4 and ipv6 addresses in this perspective.

Also, this should be back-compatible with all current netlink users.

Reported-by: Pavel Šimerda <psimerda@redhat.com>
Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
 		2013-01-29 13:59:57 -05:00
..
9p virtio: 9p: correctly pass physical address to userspace for high pages 2012-10-22 18:19:36 +10:30
802
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8021q ethtool: fix drvinfo strings set in drivers 2013-01-06 21:06:31 -08:00
appletalk
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atm atm: use scnprintf() instead of sprintf() 2012-12-17 20:50:51 -08:00
ax25
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batman-adv batman-adv: Start new development cycle 2013-01-19 21:18:13 +08:00
bluetooth Bluetooth: Check if the hci connection exists in SCO shutdown 2013-01-10 03:53:32 -02:00
bridge Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2013-01-15 15:05:59 -05:00
caif caif_usb: Make the driver name check more efficient 2012-12-09 00:34:02 -05:00
can can: rework skb reserved data handling 2013-01-28 18:17:25 -05:00
ceph Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client 2013-01-02 17:32:49 -08:00
core net neigh: Optimize neighbor entry size calculation. 2013-01-28 23:17:51 -05:00
dcb net: Allow DCBnl to use other namespaces besides init_net 2012-12-10 14:09:01 -05:00
dccp inet: Fix kmemleak in tcp_v4/6_syn_recv_sock and dccp_v4/6_request_recv_sock 2012-12-14 13:14:07 -05:00
decnet decnet: use correct RCU API to deref sk_dst_cache field 2013-01-28 00:15:27 -05:00
dns_resolver Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2012-12-16 15:40:50 -08:00
dsa dsa: make dsa_switch_setup check for valid port names 2013-01-21 15:40:12 -05:00
ethernet net: split eth_mac_addr for better error handling 2013-01-21 14:07:44 -05:00
ieee802154 6lowpan: Handle uncompressed IPv6 packets over 6LoWPAN 2013-01-18 14:18:30 -05:00
ipv4 ipv4: introduce address lifetime 2013-01-29 13:59:57 -05:00
ipv6 ipv4: introduce address lifetime 2013-01-29 13:59:57 -05:00
ipx
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irda irda: buffer overflow in irnet_ctrl_read() 2013-01-27 20:38:19 -05:00
iucv s390/irq: remove split irq fields from /proc/stat 2013-01-08 10:57:07 +01:00
key net: Allow userns root to control llc, netfilter, netlink, packet, and xfrm 2012-11-18 20:32:45 -05:00
l2tp Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2012-11-10 18:32:51 -05:00
lapb
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llc net: Allow userns root to control llc, netfilter, netlink, packet, and xfrm 2012-11-18 20:32:45 -05:00
mac80211 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless 2013-01-28 13:54:03 -05:00
mac802154 mac802154: fix NOHZ local_softirq_pending 08 warning 2013-01-04 13:47:21 -08:00
netfilter netfilter: nf_conntrack: fix compilation if sysctl are disabled 2013-01-23 15:14:31 +01:00
netlabel Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2012-10-02 13:38:27 -07:00
netlink netlink: Use FIELD_SIZEOF() in netlink_proto_init(). 2013-01-09 23:38:23 -08:00
netrom net: change return values from -EACCES to -EPERM 2012-09-21 13:58:08 -04:00
nfc NFC: Use skb_copy_datagram_iovec 2013-01-11 14:56:32 +01:00
openvswitch openvswitch: Use FIELD_SIZEOF() in dp_init(). 2013-01-09 23:38:24 -08:00
packet net: Allow userns root to control llc, netfilter, netlink, packet, and xfrm 2012-11-18 20:32:45 -05:00
phonet net: Push capable(CAP_NET_ADMIN) into the rtnl methods 2012-11-18 20:32:44 -05:00
rds IB/rds: suppress incompatible protocol when version is known 2012-12-26 15:17:37 -08:00
rfkill Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2012-12-13 12:00:02 -08:00
rose
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rxrpc rxrpc: Use FIELD_SIZEOF() in af_rxrpc_init(). 2013-01-09 23:38:24 -08:00
sched pkt_sched: namespace aware act_mirred 2013-01-14 15:09:36 -05:00
sctp Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2013-01-15 15:05:59 -05:00
sunrpc NFS client bugfixe for Linux 3.8 2013-01-11 12:09:04 -08:00
tipc tipc: refactor accept() code for improved readability 2012-12-07 17:23:24 -05:00
unix unix: Use FIELD_SIZEOF() in af_unix_init(). 2013-01-09 23:38:24 -08:00
wanrouter
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wimax
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wireless Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem 2013-01-28 14:43:00 -05:00
x25
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xfrm xfrm: use separated locks to protect pointers of struct xfrm_state_afinfo 2013-01-17 10:03:57 +01:00
Kconfig net: Add support for XPS without sysfs being defined 2013-01-10 22:47:04 -08:00
Makefile ipv6: Preserve ipv6 functionality needed by NET 2012-11-18 02:34:00 -05:00
compat.c make get_file() return its argument 2012-09-26 21:10:25 -04:00
nonet.c
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socket.c cgroup: net_cls: Rework update socket logic 2012-10-26 03:40:51 -04:00
sysctl_net.c user_ns: get rid of duplicate code in net_ctl_permissions 2012-11-18 20:32:45 -05:00