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netfilter: built-in NAT support for DCCP

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CONFIG_NF_NAT_PROTO_DCCP is no more a tristate. When set to y, NAT
support for DCCP protocol is built-in into nf_nat.ko.

footprint test:

(nf_nat_proto_)           | dccp   || nf_nat
--------------------------+--------++--------
no builtin                | 409800 || 2241312
DCCP builtin              |   -    || 2578968

Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Davide Caratti
2016-10-20 18:33:01 +02:00
committed by Pablo Neira Ayuso
parent cd72751468
commit 0c4e966eaf
5 changed files with 11 additions and 37 deletions
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3
include/net/netfilter/nf_nat_l4proto.h
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@@ -54,6 +54,9 @@ extern const struct nf_nat_l4proto nf_nat_l4proto_udp;
extern const struct nf_nat_l4proto nf_nat_l4proto_icmp;
extern const struct nf_nat_l4proto nf_nat_l4proto_icmpv6;
extern const struct nf_nat_l4proto nf_nat_l4proto_unknown;
#ifdef CONFIG_NF_NAT_PROTO_DCCP
extern const struct nf_nat_l4proto nf_nat_l4proto_dccp;
#endif
bool nf_nat_l4proto_in_range(const struct nf_conntrack_tuple *tuple,
enum nf_nat_manip_type maniptype,