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linux/net
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David Ahern b8fb1ab461 net ipv6: Prevent neighbor add if protocol is disabled on device 
Disabling IPv6 on an interface removes existing entries but nothing prevents
new entries from being manually added. To that end, add a new neigh_table
operation, allow_add, that is called on RTM_NEWNEIGH to see if neighbor
entries are allowed on a given device. If IPv6 is disabled on the device,
allow_add returns false and passes a message back to the user via extack.

  $ echo 1 > /proc/sys/net/ipv6/conf/eth1/disable_ipv6
  $ ip -6 neigh add fe80::4c88:bff:fe21:2704 dev eth1 lladdr de:ad:be:ef:01:01
  Error: IPv6 is disabled on this device.

Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-17 23:19:07 -07:00
..
6lowpan
6lowpan: fix debugfs_simple_attr.cocci warnings
2019-01-22 09:51:19 +01:00
9p
9p/net: fix memory leak in p9_client_create
2019-03-13 11:50:04 +01:00
802
treewide: setup_timer() -> timer_setup()
2017-11-21 15:57:07 -08:00
8021q
vlan: conditional inclusion of FCoE hooks to match netdevice.h and bnx2x
2019-04-04 17:18:34 -07:00
appletalk
appletalk: Fix potential NULL pointer dereference in unregister_snap_client
2019-03-15 11:25:48 -07:00
atm
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2019-04-17 11:26:25 -07:00
ax25
ax25: fix possible use-after-free
2019-01-23 11:18:00 -08:00
batman-adv
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2019-04-05 14:14:19 -07:00
bluetooth
Bluetooth: Check address length before reading address field
2019-04-12 10:25:03 -07:00
bpf
bpf: explicitly prohibit ctx_{in, out} in non-skb BPF_PROG_TEST_RUN
2019-04-12 00:53:00 +02:00
bpfilter
bpfilter: re-add header search paths to tools include to fix build error
2019-02-23 13:34:40 -08:00
bridge
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2019-04-17 11:26:25 -07:00
caif
net: caif: avoid using qdisc_qlen()
2019-04-10 12:20:46 -07:00
can
can: bcm: check timer values before ktime conversion
2019-01-22 11:33:46 +01:00
ceph
libceph: fix breakage caused by multipage bvecs
2019-03-25 22:28:07 +01:00
core
net ipv6: Prevent neighbor add if protocol is disabled on device
2019-04-17 23:19:07 -07:00
dcb
net: dcb: Add priority-to-DSCP map getters
2018-07-27 13:17:50 -07:00
dccp
dccp: Fix memleak in __feat_register_sp
2019-04-01 18:15:10 -07:00
decnet
net: use rcu_dereference_protected to fetch sk_dst_cache in sk_destruct
2019-04-01 18:10:51 -07:00
dns_resolver
dns: remove redundant zero length namelen check
2019-04-11 14:01:08 -07:00
dsa
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2019-04-05 14:14:19 -07:00
ethernet
net/ethernet: Add parse_protocol header_ops support
2019-02-22 12:55:31 -08:00
hsr
net: hsr: add tx stats for master interface
2019-04-15 17:22:02 -07:00
ieee802154
genetlink: make policy common to family
2019-03-22 10:38:23 -04:00
ife
net: sched: ife: check on metadata length
2018-04-22 21:12:00 -04:00
ipv4
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2019-04-17 11:26:25 -07:00
ipv6
net ipv6: Prevent neighbor add if protocol is disabled on device
2019-04-17 23:19:07 -07:00
iucv
iucv: Remove SKB list assumptions.
2018-11-10 16:55:11 -08:00
kcm
kcm: switch order of device registration to fix a crash
2019-04-01 14:59:20 -07:00
key
af_key: unconditionally clone on broadcast
2019-02-12 10:36:42 +01:00
l2tp
genetlink: make policy common to family
2019-03-22 10:38:23 -04:00
l3mdev
l3mdev: add function to retreive upper master
2018-12-03 14:15:26 -08:00
lapb
treewide: Remove TIMER_FUNC_TYPE and TIMER_DATA_TYPE casts
2017-11-21 16:35:54 -08:00
llc
llc: Check address length before reading address field
2019-04-12 10:25:03 -07:00
mac80211
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2019-04-17 11:26:25 -07:00
mac802154
mac802154: Remove VLA usage of skcipher
2018-09-28 12:46:07 +08:00
mpls
ipv4: Add support to rtable for ipv6 gateway
2019-04-08 15:22:40 -07:00
ncsi
genetlink: make policy common to family
2019-03-22 10:38:23 -04:00
netfilter
bridge: netfilter: unroll NF_HOOK helper in bridge input path
2019-04-12 01:47:39 +02:00
netlabel
genetlink: make policy common to family
2019-03-22 10:38:23 -04:00
netlink
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2019-04-17 11:26:25 -07:00
netrom
net: netrom: Fix error cleanup path of nr_proto_init
2019-04-11 13:59:49 -07:00
nfc
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2019-04-08 23:39:36 -07:00
nsh
nsh: set mac len based on inner packet
2018-07-12 16:55:29 -07:00
openvswitch
netfilter: replace NF_NAT_NEEDED with IS_ENABLED(CONFIG_NF_NAT)
2019-04-08 23:02:52 +02:00
packet
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2019-03-27 17:37:58 -07:00
phonet
phonet: fix building with clang
2019-02-21 16:23:56 -08:00
psample
MAINTAINERS: Update Yotam's E-mail
2017-11-01 12:19:03 +09:00
qrtr
mm: replace all open encodings for NUMA_NO_NODE
2019-03-05 21:07:14 -08:00
rds
net/rds: Check address length before reading address family
2019-04-12 10:25:03 -07:00
rfkill
rfkill: gpio: Remove unused include
2018-12-18 13:13:56 +01:00
rose
net: rose: fix a possible stack overflow
2019-03-18 16:53:22 -07:00
rxrpc
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2019-04-17 11:26:25 -07:00
sched
net: sched: flower: fix filter net reference counting
2019-04-11 21:32:27 -07:00
sctp
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2019-04-17 11:26:25 -07:00
smc
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2019-04-17 11:26:25 -07:00
strparser
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2019-04-17 11:26:25 -07:00
sunrpc
Revert "SUNRPC: Micro-optimise when the task is known not to be sleeping"
2019-04-11 15:41:14 -04:00
switchdev
switchdev: Remove unused transaction item queue
2019-03-01 21:35:19 -08:00
tipc
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2019-04-17 11:26:25 -07:00
tls
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2019-04-17 11:26:25 -07:00
unix
datagram: remove rendundant 'peeked' argument
2019-04-08 09:51:54 -07:00
vmw_vsock
vsock/virtio: fix kernel panic from virtio_transport_reset_no_sock
2019-03-08 15:15:44 -08:00
wimax
genetlink: make policy common to family
2019-03-22 10:38:23 -04:00
wireless
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2019-04-17 11:26:25 -07:00
x25
net/x25: reset state in x25_connect()
2019-03-11 15:40:14 -07:00
xdp
xsk: fix umem memory leak on cleanup
2019-03-16 01:27:51 +01:00
xfrm
net: dev: rename queue selection helpers.
2019-03-20 11:18:54 -07:00
compat.c
Merge branch 'timers-2038-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2019-03-05 14:08:26 -08:00
Kconfig
net: devlink: select NET_DEVLINK from drivers
2019-03-24 14:55:31 -04:00
Makefile
net: split out functions related to registering inflight socket files
2019-02-28 08:24:23 -07:00
socket.c
net: add documentation to socket.c
2019-03-15 15:29:47 -07:00
sysctl_net.c
net: Drop pernet_operations::async
2018-03-27 13:18:09 -04:00