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46738b1317
linux/net
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David Lebrun 46738b1317 ipv6: sr: add option to control lwtunnel support 
This patch adds a new option CONFIG_IPV6_SEG6_LWTUNNEL to enable/disable
support of encapsulation with the lightweight tunnels. When this option
is enabled, CONFIG_LWTUNNEL is automatically selected.

Fix commit 6c8702c60b ("ipv6: sr: add support for SRH encapsulation and injection with lwtunnels")

Without a proper option to control lwtunnel support for SR-IPv6, if
CONFIG_LWTUNNEL=n then the IPv6 initialization fails as a consequence
of seg6_iptunnel_init() failure with EOPNOTSUPP:

NET: Registered protocol family 10
IPv6: Attempt to unregister permanent protocol 6
IPv6: Attempt to unregister permanent protocol 136
IPv6: Attempt to unregister permanent protocol 17
NET: Unregistered protocol family 10

Tested (compiling, booting, and loading ipv6 module when relevant)
with possible combinations of CONFIG_IPV6={y,m,n},
CONFIG_IPV6_SEG6_LWTUNNEL={y,n} and CONFIG_LWTUNNEL={y,n}.

Reported-by: Lorenzo Colitti <lorenzo@google.com>
Suggested-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: David Lebrun <david.lebrun@uclouvain.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-11-16 11:29:46 -05:00
..
6lowpan 6lowpan: ndisc: no overreact if no short address is available 2016-09-19 20:19:34 +02:00
9p IB/core: add support to create a unsafe global rkey to ib_create_pd 2016-09-23 13:47:44 -04:00
802 net: use core MTU range checking in misc drivers 2016-10-20 14:51:10 -04:00
8021q Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-10-30 12:42:58 -04:00
appletalk appletalk: use IS_ENABLED() instead of checking for built-in or module 2016-09-10 21:19:10 -07:00
atm net: remove MTU limits on a few ether_setup callers 2016-10-21 13:57:50 -04:00
ax25
batman-adv This feature and cleanup patchset includes the following changes: 2016-11-09 22:15:28 -05:00
bluetooth Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-10-30 12:42:58 -04:00
bridge netfilter: remove hook_entries field from nf_hook_state 2016-11-03 11:52:58 +01:00
caif net caif: insert missing spaces in pr_* messages and unbreak multi-line strings 2016-10-28 13:47:33 -04:00
can can: bcm: fix warning in bcm_connect/proc_register 2016-10-31 20:48:19 +01:00
ceph libceph: initialize last_linger_id with a large integer 2016-11-10 20:13:08 +01:00
core Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-11-15 10:54:36 -05:00
dcb
dccp Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-11-15 10:54:36 -05:00
decnet net: fix sleeping for sk_wait_event() 2016-11-14 13:17:21 -05:00
dns_resolver
dsa net: remove MTU limits on a few ether_setup callers 2016-10-21 13:57:50 -04:00
ethernet net: make default TX queue length a defined constant 2016-11-07 20:15:55 -05:00
hsr Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-10-30 12:42:58 -04:00
ieee802154 genetlink: mark families as __ro_after_init 2016-10-27 16:16:09 -04:00
ipv4 tcp: allow to enable the repair mode for non-listening sockets 2016-11-15 22:28:50 -05:00
ipv6 ipv6: sr: add option to control lwtunnel support 2016-11-16 11:29:46 -05:00
ipx
irda genetlink: mark families as __ro_after_init 2016-10-27 16:16:09 -04:00
iucv Subject: [PATCH] af_iucv: drop skbs rejected by filter 2016-10-12 01:56:04 -04:00
kcm Merge branch 'work.splice_read' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-10-07 15:36:58 -07:00
key
l2tp net: l2tp: fix negative assignment to unsigned int 2016-11-09 18:55:36 -05:00
l3mdev net: ipv6: Remove l3mdev_get_saddr6 2016-09-10 23:12:53 -07:00
lapb
llc net: fix sleeping for sk_wait_event() 2016-11-14 13:17:21 -05:00
mac80211 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-10-30 12:42:58 -04:00
mac802154 mac802154: use rate limited warnings for malformed frames 2016-09-19 20:19:34 +02:00
mpls lwt: Remove unused len field 2016-10-23 17:45:01 -04:00
ncsi net/ncsi: Improve HNCDSC AEN handler 2016-10-20 11:23:08 -04:00
netfilter Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-11-15 10:54:36 -05:00
netlabel genetlink: mark families as __ro_after_init 2016-10-27 16:16:09 -04:00
netlink Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-11-15 10:54:36 -05:00
netrom
nfc genetlink: mark families as __ro_after_init 2016-10-27 16:16:09 -04:00
openvswitch Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next 2016-11-13 22:41:25 -05:00
packet packet: on direct_xmit, limit tso and csum to supported devices 2016-10-29 15:02:15 -04:00
phonet net: fix sleeping for sk_wait_event() 2016-11-14 13:17:21 -05:00
qrtr
rds RDS: TCP: start multipath acceptor loop at 0 2016-11-09 12:47:49 -05:00
rfkill
rose rose: limit sk_filter trim to payload 2016-07-13 11:53:40 -07:00
rxrpc udp: do fwd memory scheduling on dequeue 2016-11-07 13:24:41 -05:00
sched Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next 2016-11-13 22:41:25 -05:00
sctp Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-11-15 10:54:36 -05:00
strparser strparser: Propagate correct error code in strp_recv() 2016-10-12 01:51:49 -04:00
sunrpc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-11-15 10:54:36 -05:00
switchdev Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-10-30 12:42:58 -04:00
tipc net: fix sleeping for sk_wait_event() 2016-11-14 13:17:21 -05:00
unix Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-11-15 10:54:36 -05:00
vmw_vsock net: fix sleeping for sk_wait_event() 2016-11-14 13:17:21 -05:00
wimax genetlink: mark families as __ro_after_init 2016-10-27 16:16:09 -04:00
wireless Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-10-30 12:42:58 -04:00
x25 net: x25: remove null checks on arrays calling_ae and called_ae 2016-09-09 18:13:30 -07:00
xfrm Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next 2016-10-28 13:26:27 -04:00
compat.c
Kconfig strparser: Stream parser for messages 2016-08-17 19:36:23 -04:00
Makefile strparser: Stream parser for messages 2016-08-17 19:36:23 -04:00
socket.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-11-15 10:54:36 -05:00
sysctl_net.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2016-10-06 09:52:23 -07:00