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netfilter: conntrack: built-in support for SCTP

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

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

(builtin)||  sctp  |  ipv4  |  ipv6  | nf_conntrack
---------++--------+--------+--------+--------------
none     || 498243 | 828755 | 828676 | 6141434
SCTP     ||   -    | 829254 | 829175 | 6547872

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 15:08:26 +01:00
committed by Pablo Neira Ayuso
parent c51d39010a
commit a85406afeb
8 changed files with 38 additions and 72 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
include/net/netns/conntrack.h
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@@ -9,6 +9,9 @@
#ifdef CONFIG_NF_CT_PROTO_DCCP
#include <linux/netfilter/nf_conntrack_dccp.h>
#endif
#ifdef CONFIG_NF_CT_PROTO_SCTP
#include <linux/netfilter/nf_conntrack_sctp.h>
#endif
#include <linux/seqlock.h>
struct ctl_table_header;
@@ -59,6 +62,13 @@ struct nf_dccp_net {
};
#endif
#ifdef CONFIG_NF_CT_PROTO_SCTP
struct nf_sctp_net {
struct nf_proto_net pn;
unsigned int timeouts[SCTP_CONNTRACK_MAX];
};
#endif
struct nf_ip_net {
struct nf_generic_net generic;
struct nf_tcp_net tcp;
@@ -68,6 +78,9 @@ struct nf_ip_net {
#ifdef CONFIG_NF_CT_PROTO_DCCP
struct nf_dccp_net dccp;
#endif
#ifdef CONFIG_NF_CT_PROTO_SCTP
struct nf_sctp_net sctp;
#endif
};
struct ct_pcpu {