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93a714d6b5
linux/net
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Madhu Challa 93a714d6b5 multicast: Extend ip address command to enable multicast group join/leave on 
Joining multicast group on ethernet level via "ip maddr" command would
not work if we have an Ethernet switch that does igmp snooping since
the switch would not replicate multicast packets on ports that did not
have IGMP reports for the multicast addresses.

Linux vxlan interfaces created via "ip link add vxlan" have the group option
that enables then to do the required join.

By extending ip address command with option "autojoin" we can get similar
functionality for openvswitch vxlan interfaces as well as other tunneling
mechanisms that need to receive multicast traffic. The kernel code is
structured similar to how the vxlan driver does a group join / leave.

example:
ip address add 224.1.1.10/24 dev eth5 autojoin
ip address del 224.1.1.10/24 dev eth5

Signed-off-by: Madhu Challa <challa@noironetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-27 16:25:25 -05:00
..
6lowpan net/6lowpan: Remove FSF address from GPL statement. 2014-12-05 12:43:04 +01:00
9p
802
8021q vlan: advertise link netns via netlink 2015-01-23 17:51:15 -08:00
appletalk new helper: memcpy_from_msg() 2014-11-24 04:28:48 -05:00
atm put iov_iter into msghdr 2014-12-09 16:29:03 -05:00
ax25 new helper: memcpy_from_msg() 2014-11-24 04:28:48 -05:00
batman-adv batman-adv: Fix use of seq_has_overflowed() 2015-02-22 17:00:08 -05:00
bluetooth Bluetooth: Fix potential NULL dereference 2015-02-03 09:02:12 +01:00
bridge bridge: fix link notification skb size calculation to include vlan ranges 2015-02-26 11:25:43 -05:00
caif caif: remove wrong dev_net_set() call 2015-01-29 14:20:02 -08:00
can netlink: make nlmsg_end() and genlmsg_end() void 2015-01-18 01:03:45 -05:00
ceph mm: gup: use get_user_pages_unlocked 2015-02-11 17:06:05 -08:00
core net: Remove state argument from skb_find_text() 2015-02-22 15:59:54 -05:00
dcb dcbnl : Disable software interrupts before taking dcb_lock 2014-11-16 14:50:52 -05:00
dccp net: introduce helper macro for_each_cmsghdr 2014-12-10 22:41:55 -05:00
decnet netlink: Fix bugs in nlmsg_end() conversions. 2015-01-18 23:36:08 -05:00
dns_resolver
dsa net: dsa: Introduce dsa_is_port_initialized 2015-02-25 17:57:48 -05:00
ethernet net: Add Transparent Ethernet Bridging GRO support. 2015-01-02 15:46:41 -05:00
hsr
ieee802154 netlink: make nlmsg_end() and genlmsg_end() void 2015-01-18 01:03:45 -05:00
ipv4 multicast: Extend ip address command to enable multicast group join/leave on 2015-02-27 16:25:25 -05:00
ipv6 multicast: Extend ip address command to enable multicast group join/leave on 2015-02-27 16:25:25 -05:00
ipx switch ipxrtr_route_packet() from iovec to msghdr 2014-11-24 04:28:49 -05:00
irda irda: use msecs_to_jiffies for conversions 2015-01-30 18:08:25 -08:00
iucv net: introduce helper macro for_each_cmsghdr 2014-12-10 22:41:55 -05:00
key new helper: memcpy_from_msg() 2014-11-24 04:28:48 -05:00
l2tp netlink: make nlmsg_end() and genlmsg_end() void 2015-01-18 01:03:45 -05:00
lapb
llc net: llc: use correct size for sysctl timeout entries 2015-01-25 00:23:21 -08:00
mac80211 Last round of updates for net-next: 2015-02-04 14:57:45 -08:00
mac802154 mac802154: fix kbuild test robot warning 2015-01-03 01:51:51 +01:00
mpls net: mark some potential candidates __read_mostly 2015-01-30 17:58:39 -08:00
netfilter net: Remove state argument from skb_find_text() 2015-02-22 15:59:54 -05:00
netlabel Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2015-02-11 20:25:11 -08:00
netlink Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-02-05 14:33:28 -08:00
netrom new helper: memcpy_from_msg() 2014-11-24 04:28:48 -05:00
nfc NFC: nci: Move NFCEE discovery logic 2015-02-04 09:15:18 +01:00
openvswitch openvswitch: Fix key serialization. 2015-02-14 20:20:40 -08:00
packet netlink: make nlmsg_end() and genlmsg_end() void 2015-01-18 01:03:45 -05:00
phonet phonet netlink: allow multiple messages per skb in route dump 2015-01-19 16:20:17 -05:00
rds rds: rds_cong_queue_updates needs to defer the congestion update transmission 2015-02-11 14:35:44 -08:00
rfkill Last round of updates for net-next: 2015-02-04 14:57:45 -08:00
rose new helper: memcpy_from_msg() 2014-11-24 04:28:48 -05:00
rxrpc Merge branch 'for-davem' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2015-02-04 20:46:55 -08:00
sched net: Remove state argument from skb_find_text() 2015-02-22 15:59:54 -05:00
sctp Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-02-05 14:33:28 -08:00
sunrpc Merge branch 'for-3.20' of git://linux-nfs.org/~bfields/linux 2015-02-12 10:39:41 -08:00
switchdev swdevice: add new apis to set and del bridge port attributes 2015-02-01 23:16:34 -08:00
tipc tipc: remove tipc_snprintf 2015-02-09 13:20:49 -08:00
unix net: remove sock_iocb 2015-01-28 23:15:07 -08:00
vmw_vsock vmci: propagate msghdr all way down to __qp_memcpy_to_queue() 2015-02-04 01:34:14 -05:00
wimax
wireless Last round of updates for net-next: 2015-02-04 14:57:45 -08:00
x25 new helper: memcpy_from_msg() 2014-11-24 04:28:48 -05:00
xfrm netlink: make nlmsg_end() and genlmsg_end() void 2015-01-18 01:03:45 -05:00
compat.c net: __aligned(size) is preferred over __attribute__((aligned(size))) 2015-02-22 17:01:22 -05:00
Kconfig net: introduce generic switch devices support 2014-12-02 20:01:20 -08:00
Makefile Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2014-12-16 15:53:03 -08:00
socket.c net: switch sockets to ->read_iter/->write_iter 2015-02-04 01:34:15 -05:00
sysctl_net.c