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android_kernel_motorola_sm6225/net/ipv6
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Florian Westphal 834184b1f3 netfilter: defrag: only register defrag functionality if needed 
nf_defrag modules for ipv4 and ipv6 export an empty stub function.
Any module that needs the defragmentation hooks registered simply 'calls'
this empty function to create a phony module dependency -- modprobe will
then load the defrag module too.

This extends netfilter ipv4/ipv6 defragmentation modules to delay the hook
registration until the functionality is requested within a network namespace
instead of module load time for all namespaces.

Hooks are only un-registered on module unload or when a namespace that used
such defrag functionality exits.

We have to use struct net for this as the register hooks can be called
before netns initialization here from the ipv4/ipv6 conntrack module
init path.

There is no unregister functionality support, defrag will always be
active once it was requested inside a net namespace.

The reason is that defrag has impact on nft and iptables rulesets
(without defrag we might see framents).

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2016-12-06 21:42:00 +01:00
..
ila ila: Fix crash caused by rhashtable changes 2016-11-02 15:26:02 -04:00
netfilter netfilter: defrag: only register defrag functionality if needed 2016-12-06 21:42:00 +01:00
addrconf.c ipv6 addrconf: Implemented enhanced DAD (RFC7527) 2016-12-03 23:21:37 -05:00
addrconf_core.c ipv6: change ipv6_stub_impl.ipv6_dst_lookup to take net argument 2015-07-31 15:21:30 -07:00
addrlabel.c ipv6/addrlabel: fix ip6addrlbl_get() 2015-12-22 15:57:54 -05:00
af_inet6.c bpf: Add new cgroup attach type to enable sock modifications 2016-12-02 13:46:08 -05:00
ah6.c net: inet: Support UID-based routing in IP protocols. 2016-11-04 14:45:23 -04:00
anycast.c ipv6: coding style: comparison for equality with NULL 2015-03-31 13:51:54 -04:00
calipso.c calipso: fix resource leak on calipso_genopt failure 2016-08-13 14:56:17 -07:00
datagram.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-12-03 12:29:53 -05:00
esp6.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-12-03 12:29:53 -05:00
exthdrs.c ipv6: sr: add support for SRH injection through setsockopt 2016-11-09 20:40:06 -05:00
exthdrs_core.c ipv6: constify the skb pointer of ipv6_find_tlv(). 2016-06-27 15:06:15 -04:00
exthdrs_offload.c ipv6: fix exthdrs offload registration in out_rt path 2015-09-02 15:31:00 -07:00
fib6_rules.c net: flow: Add l3mdev flow update 2016-09-10 23:12:51 -07:00
fou6.c fou: add Kconfig options for IPv6 support 2016-05-29 22:24:21 -07:00
icmp.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-12-03 12:29:53 -05:00
inet6_connection_sock.c net: inet: Support UID-based routing in IP protocols. 2016-11-04 14:45:23 -04:00
inet6_hashtables.c inet: Fix missing return value in inet6_hash 2016-10-29 12:01:49 -04:00
ip6_checksum.c ipv6: fix checksum annotation in udp6_csum_init 2016-06-14 15:26:42 -04:00
ip6_fib.c ipv6: report NLM_F_CREATE and NLM_F_EXCL flags in RTM_NEWROUTE events 2016-09-09 16:50:23 -07:00
ip6_flowlabel.c ipv6: add new struct ipcm6_cookie 2016-05-03 16:08:14 -04:00
ip6_gre.c netns: make struct pernet_operations::id unsigned int 2016-11-18 10:59:15 -05:00
ip6_icmp.c ipv6: icmp: add a force_saddr param to icmp6_send() 2016-06-18 22:11:38 -07:00
ip6_input.c net: vrf: ipv6 support for local traffic to local addresses 2016-06-08 00:25:38 -07:00
ip6_offload.c ip6_offload: check segs for NULL in ipv6_gso_segment. 2016-12-02 13:34:58 -05:00
ip6_offload.h udp: Add GRO functions to UDP socket 2016-04-07 16:53:29 -04:00
ip6_output.c net: ipv4, ipv6: run cgroup eBPF egress programs 2016-11-25 16:26:04 -05:00
ip6_tunnel.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-12-03 12:29:53 -05:00
ip6_udp_tunnel.c ip6_udp_tunnel: remove unused IPCB related codes 2016-11-02 15:18:36 -04:00
ip6_vti.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-12-03 12:29:53 -05:00
ip6mr.c net: pim: add all RFC7761 message types 2016-10-31 16:18:30 -04:00
ipcomp6.c net: inet: Support UID-based routing in IP protocols. 2016-11-04 14:45:23 -04:00
ipv6_sockglue.c ipv6: sr: add support for SRH injection through setsockopt 2016-11-09 20:40:06 -05:00
Kconfig ipv6: sr: add option to control lwtunnel support 2016-11-16 11:29:46 -05:00
Makefile ipv6: sr: add option to control lwtunnel support 2016-11-16 11:29:46 -05:00
mcast.c ipv6: fix a potential deadlock in do_ipv6_setsockopt() 2016-10-21 11:29:02 -04:00
mcast_snoop.c net: fix wrong skb_get() usage / crash in IGMP/MLD parsing code 2015-08-13 17:08:39 -07:00
mip6.c ipv6: use ktime_t for internal timestamps 2015-10-05 03:16:47 -07:00
ndisc.c ipv6 addrconf: Implemented enhanced DAD (RFC7527) 2016-12-03 23:21:37 -05:00
netfilter.c net: inet: Support UID-based routing in IP protocols. 2016-11-04 14:45:23 -04:00
output_core.c ipv6: Set skb->protocol properly for local output 2016-12-02 12:34:22 -05:00
ping.c net: inet: Support UID-based routing in IP protocols. 2016-11-04 14:45:23 -04:00
proc.c proc: Reduce cache miss in snmp6_seq_show 2016-09-30 01:50:44 -04:00
protocol.c net: Export inet_offloads and inet6_offloads 2014-09-19 17:15:31 -04:00
raw.c net: inet: Support UID-based routing in IP protocols. 2016-11-04 14:45:23 -04:00
reassembly.c ipv6: on reassembly, record frag_max_size 2016-11-03 15:41:11 -04:00
route.c ipv6 addrconf: Implemented enhanced DAD (RFC7527) 2016-12-03 23:21:37 -05:00
seg6.c ipv6: sr: add option to control lwtunnel support 2016-11-16 11:29:46 -05:00
seg6_hmac.c ipv6: sr: add core files for SR HMAC support 2016-11-09 20:40:06 -05:00
seg6_iptunnel.c ipv6: sr: add calls to verify and insert HMAC signatures 2016-11-09 20:40:06 -05:00
sit.c netns: make struct pernet_operations::id unsigned int 2016-11-18 10:59:15 -05:00
syncookies.c tcp: randomize tcp timestamp offsets for each connection 2016-12-02 12:49:59 -05:00
sysctl_net_ipv6.c calipso: Add a label cache. 2016-06-27 15:06:17 -04:00
tcp_ipv6.c tcp: randomize tcp timestamp offsets for each connection 2016-12-02 12:49:59 -05:00
tcpv6_offload.c tcp: cleanup static functions 2015-02-28 16:56:51 -05:00
tunnel6.c ipv6: fix tunnel error handling 2015-11-03 10:52:13 -05:00
udp.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-11-26 23:42:21 -05:00
udp_impl.h udplite: call proper backlog handlers 2016-11-24 15:32:14 -05:00
udp_offload.c gso: Remove arbitrary checks for unsupported GSO 2016-05-20 18:03:15 -04:00
udplite.c udplite: call proper backlog handlers 2016-11-24 15:32:14 -05:00
xfrm6_input.c vti6: fix input path 2016-09-21 10:09:14 +02:00
xfrm6_mode_beet.c xfrm: simplify xfrm_address_t use 2015-03-31 13:58:35 -04:00
xfrm6_mode_ro.c ipv4/ipv6: Fix FSF address in file headers 2013-12-06 12:37:56 -05:00
xfrm6_mode_transport.c
xfrm6_mode_tunnel.c ipv6: update skb->csum when CE mark is propagated 2016-01-15 15:07:23 -05:00
xfrm6_output.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-10-24 06:54:12 -07:00
xfrm6_policy.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-09-12 15:52:44 -07:00
xfrm6_protocol.c xfrm6: Properly handle unsupported protocols 2014-05-06 07:08:38 +02:00
xfrm6_state.c ipv6: White-space cleansing : Line Layouts 2014-08-24 22:37:52 -07:00
xfrm6_tunnel.c netns: make struct pernet_operations::id unsigned int 2016-11-18 10:59:15 -05:00