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Pablo Neira Ayuso says:
====================
Netfilter/IPVS updates for net-next
The following patchset contains Netfilter/IPVS updates for your
net-next tree:
1) Free hooks via call_rcu to speed up netns release path, from
Florian Westphal.
2) Reduce memory footprint of hook arrays, skip allocation if family is
not present - useful in case decnet support is not compiled built-in.
Patches from Florian Westphal.
3) Remove defensive check for malformed IPv4 - including ihl field - and
IPv6 headers in x_tables and nf_tables.
4) Add generic flow table offload infrastructure for nf_tables, this
includes the netlink control plane and support for IPv4, IPv6 and
mixed IPv4/IPv6 dataplanes. This comes with NAT support too. This
patchset adds the IPS_OFFLOAD conntrack status bit to indicate that
this flow has been offloaded.
5) Add secpath matching support for nf_tables, from Florian.
6) Save some code bytes in the fast path for the nf_tables netdev,
bridge and inet families.
7) Allow one single NAT hook per point and do not allow to register NAT
hooks in nf_tables before the conntrack hook, patches from Florian.
8) Seven patches to remove the struct nf_af_info abstraction, instead
we perform direct calls for IPv4 which is faster. IPv6 indirections
are still needed to avoid dependencies with the 'ipv6' module, but
these now reside in struct nf_ipv6_ops.
9) Seven patches to handle NFPROTO_INET from the Netfilter core,
hence we can remove specific code in nf_tables to handle this
pseudofamily.
10) No need for synchronize_net() call for nf_queue after conversion
to hook arrays. Also from Florian.
11) Call cond_resched_rcu() when dumping large sets in ipset to avoid
softlockup. Again from Florian.
12) Pass lockdep_nfnl_is_held() to rcu_dereference_protected(), patch
from Florian Westphal.
13) Fix matching of counters in ipset, from Jozsef Kadlecsik.
14) Missing nfnl lock protection in the ip_set_net_exit path, also
from Jozsef.
15) Move connlimit code that we can reuse from nf_tables into
nf_conncount, from Florian Westhal.
And asorted cleanups:
16) Get rid of nft_dereference(), it only has one single caller.
17) Add nft_set_is_anonymous() helper function.
18) Remove NF_ARP_FORWARD leftover chain definition in nf_tables_arp.
19) Remove unnecessary comments in nf_conntrack_h323_asn1.c
From Varsha Rao.
20) Remove useless parameters in frag_safe_skb_hp(), from Gao Feng.
21) Constify layer 4 conntrack protocol definitions, function
parameters to register/unregister these protocol trackers, and
timeouts. Patches from Florian Westphal.
22) Remove nlattr_size indirection, from Florian Westphal.
23) Add fall-through comments as -Wimplicit-fallthrough needs this,
from Gustavo A. R. Silva.
24) Use swap() macro to exchange values in ipset, patch from
Gustavo A. R. Silva.
====================
Signed-off-by: 
David S. Miller <davem@davemloft.net>