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14 Commits

Author SHA1 Message Date
Changli Gao f43dc98b3b netfilter: nf_nat: make unique_tuple return void 
The only user of unique_tuple() get_unique_tuple() doesn't care about the
return value of unique_tuple(), so make unique_tuple() return void (nothing).

Signed-off-by: Changli Gao <xiaosuo@gmail.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
 2010-08-02 17:20:54 +02:00
Jan Engelhardt f2ea825f48 [NETFILTER]: nf_nat: use bool type in nf_nat_proto 
Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
 2008-04-14 11:15:53 +02:00
Patrick McHardy 2d2d84c40e [NETFILTER]: nf_nat: remove unused name from struct nf_nat_protocol 
Signed-off-by: Patrick McHardy <kaber@trash.net>
 2008-04-14 11:15:48 +02:00
Patrick McHardy 535b57c7c1 [NETFILTER]: nf_nat: move NAT ctnetlink helpers to nf_nat_proto_common 
Move to nf_nat_proto_common and rename to nf_nat_proto_... since they're
also used by protocols that don't have port numbers.

Signed-off-by: Patrick McHardy <kaber@trash.net>
 2008-04-14 11:15:47 +02:00
Patrick McHardy 937e0dfd87 [NETFILTER]: nf_nat: add helpers for common NAT protocol operations 
Add generic ->in_range and ->unique_tuple ops to avoid duplicating them
again and again for future NAT modules and save a few bytes of text:

net/ipv4/netfilter/nf_nat_proto_tcp.c:
  tcp_in_range     |  -62 (removed)
  tcp_unique_tuple | -259 # 271 -> 12, # inlines: 1 -> 0, size inlines: 7 -> 0
 2 functions changed, 321 bytes removed

net/ipv4/netfilter/nf_nat_proto_udp.c:
  udp_in_range     |  -62 (removed)
  udp_unique_tuple | -259 # 271 -> 12, # inlines: 1 -> 0, size inlines: 7 -> 0
 2 functions changed, 321 bytes removed

net/ipv4/netfilter/nf_nat_proto_gre.c:
  gre_in_range |  -62 (removed)
 1 function changed, 62 bytes removed

vmlinux:
 5 functions changed, 704 bytes removed

Signed-off-by: Patrick McHardy <kaber@trash.net>
 2008-04-14 11:15:46 +02:00
Jan Engelhardt da3f13c95a [NETFILTER]: nf_{conntrack,nat}_proto_udp{,lite}: annotate with const 
Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2008-01-31 19:28:11 -08:00
Patrick McHardy 2b628a0866 [NETFILTER]: nf_nat: mark NAT protocols const 
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2008-01-28 14:58:56 -08:00
Patrick McHardy be0ea7d5da [NETFILTER]: Convert old checksum helper names 
Kill the defines again, convert to the new checksum helper names and
remove the dependency of NET_ACT_NAT on NETFILTER.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2008-01-28 14:55:15 -08:00
Herbert Xu 3db05fea51 [NETFILTER]: Replace sk_buff ** with sk_buff * 
With all the users of the double pointers removed, this patch mops up by
finally replacing all occurances of sk_buff ** in the netfilter API by
sk_buff *.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2007-10-15 12:26:29 -07:00
Herbert Xu 37d4187922 [NETFILTER]: Do not copy skb in skb_make_writable 
Now that all callers of netfilter can guarantee that the skb is not shared,
we no longer have to copy the skb in skb_make_writable.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2007-10-15 12:26:27 -07:00
Patrick McHardy fdf708322d [NETFILTER]: nfnetlink: rename functions containing 'nfattr' 
There is no struct nfattr anymore, rename functions to 'nlattr'.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2007-10-10 16:53:32 -07:00
Patrick McHardy e281db5cdf [NETFILTER]: nf_conntrack/nf_nat: fix incorrect config ifdefs 
The nf_conntrack_netlink config option is named CONFIG_NF_CT_NETLINK,
but multiple files use CONFIG_IP_NF_CONNTRACK_NETLINK or
CONFIG_NF_CONNTRACK_NETLINK for ifdefs.

Fix this and reformat all CONFIG_NF_CT_NETLINK ifdefs to only use a line.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2007-03-05 13:25:19 -08:00
Eric Leblond 41f4689a7c [NETFILTER]: NAT: optional source port randomization support 
This patch adds support to NAT to randomize source ports.

Signed-off-by: Eric Leblond <eric@inl.fr>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2007-02-08 12:39:17 -08:00
Jozsef Kadlecsik 5b1158e909 [NETFILTER]: Add NAT support for nf_conntrack 
Add NAT support for nf_conntrack. Joint work of Jozsef Kadlecsik,
Yasuyuki Kozakai, Martin Josefsson and myself.

Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 22:07:13 -08:00