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netfilter: nf_conntrack: show helper and class in /proc/net/nf_conntrack_expect

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Make the output a bit more informative by showing the helper an expectation
belongs to and the expectation class.

Signed-off-by: Patrick McHardy <kaber@trash.net>
This commit is contained in:
Patrick McHardy 2010-02-11 12:22:48 +01:00
parent d1e7a03f4f
commit b87921bdf2
3 changed files with 13 additions and 0 deletions
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1
include/net/netfilter/nf_conntrack_expect.h
View File

@ -66,6 +66,7 @@ static inline struct net *nf_ct_exp_net(struct nf_conntrack_expect *exp)
struct nf_conntrack_expect_policy {
unsigned int max_expected;
unsigned int timeout;
const char *name;
};
#define NF_CT_EXPECT_CLASS_DEFAULT 0

9
net/netfilter/nf_conntrack_expect.c
View File

@ -500,6 +500,7 @@ static void exp_seq_stop(struct seq_file *seq, void *v)
static int exp_seq_show(struct seq_file *s, void *v)
{
struct nf_conntrack_expect *expect;
struct nf_conntrack_helper *helper;
struct hlist_node *n = v;
char *delim = "";
@ -525,6 +526,14 @@ static int exp_seq_show(struct seq_file *s, void *v)
if (expect->flags & NF_CT_EXPECT_INACTIVE)
seq_printf(s, "%sINACTIVE", delim);
helper = rcu_dereference(nfct_help(expect->master)->helper);
if (helper) {
seq_printf(s, "%s%s", expect->flags ? " " : "", helper->name);
if (helper->expect_policy[expect->class].name)
seq_printf(s, "/%s",
helper->expect_policy[expect->class].name);
}
return seq_putc(s, '\n');
}

3
net/netfilter/nf_conntrack_sip.c
View File

@ -1305,14 +1305,17 @@ static char sip_names[MAX_PORTS][2][sizeof("sip-65535")] __read_mostly;
static const struct nf_conntrack_expect_policy sip_exp_policy[SIP_EXPECT_MAX + 1] = {
[SIP_EXPECT_SIGNALLING] = {
.name = "signalling",
.max_expected = 1,
.timeout = 3 * 60,
},
[SIP_EXPECT_AUDIO] = {
.name = "audio",
.max_expected = 2 * IP_CT_DIR_MAX,
.timeout = 3 * 60,
},
[SIP_EXPECT_VIDEO] = {
.name = "video",
.max_expected = 2 * IP_CT_DIR_MAX,
.timeout = 3 * 60,
},