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Johannes Berg 134e63756d genetlink: make netns aware 
This makes generic netlink network namespace aware. No
generic netlink families except for the controller family
are made namespace aware, they need to be checked one by
one and then set the family->netnsok member to true.

A new function genlmsg_multicast_netns() is introduced to
allow sending a multicast message in a given namespace,
for example when it applies to an object that lives in
that namespace, a new function genlmsg_multicast_allns()
to send a message to all network namespaces (for objects
that do not have an associated netns).

The function genlmsg_multicast() is changed to multicast
the message in just init_net, which is currently correct
for all generic netlink families since they only work in
init_net right now. Some will later want to work in all
net namespaces because they do not care about the netns
at all -- those will have to be converted to use one of
the new functions genlmsg_multicast_allns() or
genlmsg_multicast_netns() whenever they are made netns
aware in some way.

After this patch families can easily decide whether or
not they should be available in all net namespaces. Many
genl families us it for objects not related to networking
and should therefore be available in all namespaces, but
that will have to be done on a per family basis.

Note that this doesn't touch on the checkpoint/restart
problem where network namespaces could be used, genl
families and multicast groups are numbered globally and
I see no easy way of changing that, especially since it
must be possible to multicast to all network namespaces
for those families that do not care about netns.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-07-12 14:03:27 -07:00
..
9p net/9p: handle correctly interrupted 9P requests 2009-04-05 16:54:53 -05:00
bluetooth Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/holtmann/bluetooth-next-2.6 2009-06-11 05:47:43 -07:00
ieee802154 net: add NL802154 interface for configuration of 802.15.4 devices 2009-06-09 05:25:33 -07:00
irda irda: Add irda_skb_cb qdisc related padding 2008-12-17 15:44:58 -08:00
iucv af_iucv: Return -EAGAIN if iucv msg limit is exceeded 2009-06-19 00:10:40 -07:00
netfilter netfilter: tcp conntrack: fix unacknowledged data detection with NAT 2009-06-29 14:07:56 +02:00
netns net, netns_xt: shrink netns_xt members 2009-07-05 19:16:18 -07:00
phonet Phonet: publicize the Netlink notification function 2009-06-25 02:58:15 -07:00
sctp net: Move rx skb_orphan call to where needed 2009-06-23 16:36:25 -07:00
tc_act pkt_action: add new action skbedit 2008-09-12 16:30:20 -07:00
tipc tipc: Remove unneeded parameter to tipc_createport_raw() 2008-07-14 22:42:19 -07:00
act_api.h
addrconf.h ipv6: Fix conflict resolutions during ipv6 binding 2009-03-24 19:49:11 -07:00
af_rxrpc.h
af_unix.h net: Fix soft lockups/OOM issues w/ unix garbage collector 2008-11-26 15:32:27 -08:00
ah.h
arp.h
atmclip.h clip: convert to internal network_device_stats 2009-01-21 14:01:59 -08:00
ax25.h
ax88796.h ax88796: Add method to take MAC from platform data 2009-03-24 23:32:03 -07:00
cfg80211.h cfg80211: fix locking 2009-07-10 15:02:32 -04:00
checksum.h include/net net/ - csum_partial - remove unnecessary casts 2008-11-19 15:44:53 -08:00
cipso_ipv4.h netlabel: Label incoming TCP connections correctly in SELinux 2009-03-28 15:01:36 +11:00
compat.h net: Use standard structures for generic socket address structures. 2008-07-19 22:35:47 -07:00
datalink.h
dcbnl.h net: fix DCB setstate to return success/failure 2008-12-21 20:09:50 -08:00
dn.h decnet: compile fix for removal of byteorder wrapper 2008-11-27 23:04:13 -08:00
dn_dev.h
dn_fib.h decnet: remove private wrappers of endian helpers 2008-11-27 00:12:47 -08:00
dn_neigh.h
dn_nsp.h
dn_route.h
dsa.h dsa: add switch chip cascading support 2009-03-21 19:06:54 -07:00
dsfield.h
dst.h net: skb->dst accessors 2009-06-03 02:51:04 -07:00
esp.h
ethoc.h net: Add support for the OpenCores 10/100 Mbps Ethernet MAC. 2009-03-27 00:16:21 -07:00
fib_rules.h net: Remove unused parameter from fill method in fib_rules_ops. 2009-05-20 17:26:23 -07:00
flow.h netns xfrm: lookup in netns 2008-11-25 17:35:18 -08:00
garp.h vlan: Add GVRP support 2008-07-05 21:26:57 -07:00
gen_stats.h pkt_sched: gen_estimator: Optimize gen_estimator_active() 2008-11-26 15:24:32 -08:00
genetlink.h genetlink: make netns aware 2009-07-12 14:03:27 -07:00
icmp.h mib: put icmpmsg statistics on struct net 2008-07-18 04:04:22 -07:00
ieee80211_radiotap.h wireless: radiotap updates 2009-03-27 20:12:52 -04:00
if_inet6.h ipv6: reorder struct inet6_ifaddr to remove padding on 64 bit builds 2009-03-21 13:29:05 -07:00
inet6_connection_sock.h
inet6_hashtables.h net: skb->dst accessors 2009-06-03 02:51:04 -07:00
inet_common.h
inet_connection_sock.h net: more #ifdef CONFIG_COMPAT 2008-08-28 02:53:51 -07:00
inet_ecn.h net: replace __constant_{endian} uses in net headers 2009-02-14 22:58:35 -08:00
inet_frag.h inet fragments: fix sparse warning: context imbalance 2009-02-26 23:13:35 -08:00
inet_hashtables.h net: skb->dst accessors 2009-06-03 02:51:04 -07:00
inet_sock.h Merge branch 'for-linus2' of git://git.kernel.org/pub/scm/linux/kernel/git/vegard/kmemcheck 2009-06-16 13:09:51 -07:00
inet_timewait_sock.h net: annotate inet_timewait_sock bitfields 2009-06-15 15:49:32 +02:00
inetpeer.h
ip.h snmp: add missing counters for RFC 4293 2009-04-27 02:45:02 -07:00
ip6_checksum.h
ip6_fib.h
ip6_route.h net: skb->dst accessors 2009-06-03 02:51:04 -07:00
ip6_tunnel.h
ip_fib.h ipv4: remove unused macro (FIB_RES_RESET) from ip_fib.h. 2009-05-03 14:19:51 -07:00
ip_vs.h net: replace __constant_{endian} uses in net headers 2009-02-14 22:58:35 -08:00
ipcomp.h ipsec: ipcomp - Merge IPComp implementations 2008-07-25 02:54:40 -07:00
ipconfig.h
ipip.h sit: stateless autoconf for isatap 2009-05-19 16:02:02 -07:00
ipv6.h snmp: add missing counters for RFC 4293 2009-04-27 02:45:02 -07:00
ipx.h net: replace __constant_{endian} uses in net headers 2009-02-14 22:58:35 -08:00
iw_handler.h wext: constify extra argument to wireless_send_event 2009-07-10 15:01:49 -04:00
lapb.h
lib80211.h wireless: missing include in lib80211.h 2008-11-21 11:42:55 -05:00
llc.h
llc_c_ac.h
llc_c_ev.h
llc_c_st.h
llc_conn.h
llc_if.h
llc_pdu.h
llc_s_ac.h
llc_s_ev.h
llc_s_st.h
llc_sap.h
mac80211.h cfg80211: introduce nl80211 testmode command 2009-07-10 15:01:50 -04:00
mip6.h
ndisc.h ipv6: Fix sporadic sendmsg -EINVAL when sending to multicast groups. 2009-01-04 16:04:39 -08:00
neighbour.h net: Cleanup of neighbour code 2008-11-12 00:54:54 -08:00
net_namespace.h genetlink: make netns aware 2009-07-12 14:03:27 -07:00
netdma.h net_dma: convert to dma_find_channel 2009-01-06 11:38:15 -07:00
netevent.h
netlabel.h netlabel: Cleanup the Smack/NetLabel code to fix incoming TCP connections 2009-03-28 15:01:37 +11:00
netlink.h netfilter: conntrack: add support for DCCP handshake sequence to ctnetlink 2009-05-27 17:50:35 +02:00
netrom.h netrom: convert to internal net_device_stats 2009-01-21 14:02:01 -08:00
nexthop.h
p8022.h
pkt_cls.h ematch: simpler tcf_em_unregister() 2008-11-16 23:01:49 -08:00
pkt_sched.h pkt_sched: Rename PSCHED_US2NS and PSCHED_NS2US 2009-06-15 02:31:47 -07:00
protocol.h ipv6: Use correct data types for ICMPv6 type and code 2009-06-23 04:31:07 -07:00
psnap.h snap: use const for descriptor 2009-03-21 19:06:50 -07:00
raw.h
rawv6.h ipv6: Use correct data types for ICMPv6 type and code 2009-06-23 04:31:07 -07:00
red.h
regulatory.h cfg80211: clean up includes 2009-04-22 16:57:17 -04:00
request_sock.h net: Fix memory leak in the proto_register function 2008-11-21 16:45:22 -08:00
rose.h rose: improving AX25 routing frames via ROSE network 2008-06-17 17:08:32 -07:00
route.h net: skb->rtable accessor 2009-06-03 02:51:02 -07:00
rtnetlink.h
sch_generic.h net: reorder struct Qdisc for better SMP performance 2009-03-20 01:33:32 -07:00
scm.h cleanup: remove unused member in scm_cookie. 2009-07-05 19:16:10 -07:00
slhc_vj.h
snmp.h snmp: add missing counters for RFC 4293 2009-04-27 02:45:02 -07:00
sock.h memory barrier: adding smp_mb__after_lock 2009-07-09 17:06:58 -07:00
stp.h net: Add STP demux layer 2008-07-05 21:25:39 -07:00
tcp.h Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2009-05-08 02:48:30 -07:00
tcp_states.h
timewait_sock.h net: Fix memory leak in the proto_register function 2008-11-21 16:45:22 -08:00
transp_v6.h net: replace __constant_{endian} uses in net headers 2009-02-14 22:58:35 -08:00
udp.h ipv6: Fix NULL pointer dereference with time-wait sockets 2009-04-11 01:53:06 -07:00
udplite.h udp: introduce struct udp_table and multiple spinlocks 2008-10-29 01:41:45 -07:00
wext.h
wimax.h rfkill: rewrite 2009-06-03 14:06:13 -04:00
x25.h x25: Fix sleep from timer on socket destroy. 2009-06-16 05:40:30 -07:00
x25device.h
xfrm.h ipv6: Use correct data types for ICMPv6 type and code 2009-06-23 04:31:07 -07:00