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netfilter: conntrack: built-in support for DCCP

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CONFIG_NF_CT_PROTO_DCCP is no more a tristate. When set to y, connection
tracking support for DCCP protocol is built-in into nf_conntrack.ko.

footprint test:
$ ls -l net/netfilter/nf_conntrack{_proto_dccp,}.ko \
        net/ipv4/netfilter/nf_conntrack_ipv4.ko \
        net/ipv6/netfilter/nf_conntrack_ipv6.ko

(builtin)||  dccp  |  ipv4  |  ipv6  | nf_conntrack
---------++--------+--------+--------+--------------
none     || 469140 | 828755 | 828676 | 6141434
DCCP     ||   -    | 830566 | 829935 | 6533526

Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Davide Caratti
2016-11-15 15:08:25 +01:00
committed by Pablo Neira Ayuso
parent 3fefeb88d0
commit c51d39010a
9 changed files with 41 additions and 75 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
include/net/netfilter/ipv4/nf_conntrack_ipv4.h
View File

@@ -15,6 +15,9 @@ extern struct nf_conntrack_l3proto nf_conntrack_l3proto_ipv4;
extern struct nf_conntrack_l4proto nf_conntrack_l4proto_tcp4;
extern struct nf_conntrack_l4proto nf_conntrack_l4proto_udp4;
extern struct nf_conntrack_l4proto nf_conntrack_l4proto_icmp;
#ifdef CONFIG_NF_CT_PROTO_DCCP
extern struct nf_conntrack_l4proto nf_conntrack_l4proto_dccp4;
#endif
int nf_conntrack_ipv4_compat_init(void);
void nf_conntrack_ipv4_compat_fini(void);

3
include/net/netfilter/ipv6/nf_conntrack_ipv6.h
View File

@@ -6,6 +6,9 @@ extern struct nf_conntrack_l3proto nf_conntrack_l3proto_ipv6;
extern struct nf_conntrack_l4proto nf_conntrack_l4proto_tcp6;
extern struct nf_conntrack_l4proto nf_conntrack_l4proto_udp6;
extern struct nf_conntrack_l4proto nf_conntrack_l4proto_icmpv6;
#ifdef CONFIG_NF_CT_PROTO_DCCP
extern struct nf_conntrack_l4proto nf_conntrack_l4proto_dccp6;
#endif
#include <linux/sysctl.h>
extern struct ctl_table nf_ct_ipv6_sysctl_table[];