diff options
| author | Gao feng <gaofeng@cn.fujitsu.com> | 2012-05-28 21:04:11 +0000 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2012-06-07 14:58:39 +0200 |
| commit | 15f585bd76b6bd2974b23c9e69ff038a0826a0be (patch) | |
| tree | 6719807ab454cd1121b32f7eb9421890b661ce4f /net/netfilter/nf_conntrack_proto_generic.c | |
| parent | 524a53e5ad5f34f64ed34281e8b0eca19437db5b (diff) | |
netfilter: nf_ct_generic: add namespace support
This patch adds namespace support for the generic layer 4 protocol
tracker.
Acked-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net/netfilter/nf_conntrack_proto_generic.c')
| -rw-r--r-- | net/netfilter/nf_conntrack_proto_generic.c | 38 |
1 files changed, 35 insertions, 3 deletions
diff --git a/net/netfilter/nf_conntrack_proto_generic.c b/net/netfilter/nf_conntrack_proto_generic.c index d8923d54b358..19bc880eb4e2 100644 --- a/net/netfilter/nf_conntrack_proto_generic.c +++ b/net/netfilter/nf_conntrack_proto_generic.c @@ -14,6 +14,11 @@ static unsigned int nf_ct_generic_timeout __read_mostly = 600*HZ; +static inline struct nf_generic_net *generic_pernet(struct net *net) +{ + return &net->ct.nf_ct_proto.generic; +} + static bool generic_pkt_to_tuple(const struct sk_buff *skb, unsigned int dataoff, struct nf_conntrack_tuple *tuple) @@ -42,7 +47,7 @@ static int generic_print_tuple(struct seq_file *s, static unsigned int *generic_get_timeouts(struct net *net) { - return &nf_ct_generic_timeout; + return &(generic_pernet(net)->timeout); } /* Returns verdict for packet, or -1 for invalid. */ @@ -110,7 +115,6 @@ static struct ctl_table_header *generic_sysctl_header; static struct ctl_table generic_sysctl_table[] = { { .procname = "nf_conntrack_generic_timeout", - .data = &nf_ct_generic_timeout, .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = proc_dointvec_jiffies, @@ -121,7 +125,6 @@ static struct ctl_table generic_sysctl_table[] = { static struct ctl_table generic_compat_sysctl_table[] = { { .procname = "ip_conntrack_generic_timeout", - .data = &nf_ct_generic_timeout, .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = proc_dointvec_jiffies, @@ -131,6 +134,34 @@ static struct ctl_table generic_compat_sysctl_table[] = { #endif /* CONFIG_NF_CONNTRACK_PROC_COMPAT */ #endif /* CONFIG_SYSCTL */ +static int generic_init_net(struct net *net) +{ + struct nf_generic_net *gn = generic_pernet(net); + struct nf_proto_net *pn = (struct nf_proto_net *)gn; + gn->timeout = nf_ct_generic_timeout; +#ifdef CONFIG_SYSCTL + pn->ctl_table = kmemdup(generic_sysctl_table, + sizeof(generic_sysctl_table), + GFP_KERNEL); + if (!pn->ctl_table) + return -ENOMEM; + pn->ctl_table[0].data = &gn->timeout; + +#ifdef CONFIG_NF_CONNTRACK_PROC_COMPAT + pn->ctl_compat_table = kmemdup(generic_compat_sysctl_table, + sizeof(generic_compat_sysctl_table), + GFP_KERNEL); + if (!pn->ctl_compat_table) { + kfree(pn->ctl_table); + pn->ctl_table = NULL; + return -ENOMEM; + } + pn->ctl_compat_table[0].data = &gn->timeout; +#endif +#endif + return 0; +} + struct nf_conntrack_l4proto nf_conntrack_l4proto_generic __read_mostly = { .l3proto = PF_UNSPEC, @@ -158,4 +189,5 @@ struct nf_conntrack_l4proto nf_conntrack_l4proto_generic __read_mostly = .ctl_compat_table = generic_compat_sysctl_table, #endif #endif + .init_net = generic_init_net, }; |