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netfilter: nf_ct_gre: add unsigned int array to define timeouts

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This patch adds an array to define the default GRE timeouts.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Pablo Neira Ayuso 2012-02-28 18:56:39 +01:00
parent 33ee44643f
commit b888341c7f
1 changed files with 12 additions and 4 deletions
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16
net/netfilter/nf_conntrack_proto_gre.c
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@ -41,8 +41,16 @@
#include <linux/netfilter/nf_conntrack_proto_gre.h>
#include <linux/netfilter/nf_conntrack_pptp.h>
#define GRE_TIMEOUT (30 * HZ)
#define GRE_STREAM_TIMEOUT (180 * HZ)
enum grep_conntrack {
GRE_CT_UNREPLIED,
GRE_CT_REPLIED,
GRE_CT_MAX
};
static unsigned int gre_timeouts[GRE_CT_MAX] = {
[GRE_CT_UNREPLIED] = 30*HZ,
[GRE_CT_REPLIED] = 180*HZ,
};
static int proto_gre_net_id __read_mostly;
struct netns_proto_gre {
@ -259,8 +267,8 @@ static bool gre_new(struct nf_conn *ct, const struct sk_buff *skb,
/* initialize to sane value. Ideally a conntrack helper
* (e.g. in case of pptp) is increasing them */
ct->proto.gre.stream_timeout = GRE_STREAM_TIMEOUT;
ct->proto.gre.timeout = GRE_TIMEOUT;
ct->proto.gre.stream_timeout = gre_timeouts[GRE_CT_REPLIED];
ct->proto.gre.timeout = gre_timeouts[GRE_CT_UNREPLIED];
return true;
}