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netfilter: xtables: remove xt_connmark v0

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Superseded by xt_connmark v1 (v2.6.24-2919-g96e3227).

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
This commit is contained in:
Jan Engelhardt 2009-06-12 18:50:33 +02:00
parent c8001f7fd5
commit 84899a2b9a
3 changed files with 11 additions and 98 deletions
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3
Documentation/feature-removal-schedule.txt
View File

@ -238,9 +238,6 @@ What (Why):
- "forwarding" header files like ipt_mac.h in
include/linux/netfilter_ipv4/ and include/linux/netfilter_ipv6/
- xt_connmark match revision 0
(superseded by xt_connmark match revision 1)
- xt_conntrack match revision 0
(superseded by xt_conntrack match revision 1)

5
include/linux/netfilter/xt_connmark.h
View File

@ -12,11 +12,6 @@
* (at your option) any later version.
*/
struct xt_connmark_info {
unsigned long mark, mask;
__u8 invert;
};
struct xt_connmark_mtinfo1 {
__u32 mark, mask;
__u8 invert;

101
net/netfilter/xt_connmark.c
View File

@ -47,36 +47,6 @@ connmark_mt(const struct sk_buff *skb, const struct xt_match_param *par)
return ((ct->mark & info->mask) == info->mark) ^ info->invert;
}
static bool
connmark_mt_v0(const struct sk_buff *skb, const struct xt_match_param *par)
{
const struct xt_connmark_info *info = par->matchinfo;
const struct nf_conn *ct;
enum ip_conntrack_info ctinfo;
ct = nf_ct_get(skb, &ctinfo);
if (!ct)
return false;
return ((ct->mark & info->mask) == info->mark) ^ info->invert;
}
static bool connmark_mt_check_v0(const struct xt_mtchk_param *par)
{
const struct xt_connmark_info *cm = par->matchinfo;
if (cm->mark > 0xffffffff || cm->mask > 0xffffffff) {
printk(KERN_WARNING "connmark: only support 32bit mark\n");
return false;
}
if (nf_ct_l3proto_try_module_get(par->family) < 0) {
printk(KERN_WARNING "can't load conntrack support for "
"proto=%u\n", par->family);
return false;
}
return true;
}
static bool connmark_mt_check(const struct xt_mtchk_param *par)
{
if (nf_ct_l3proto_try_module_get(par->family) < 0) {
@ -92,74 +62,25 @@ static void connmark_mt_destroy(const struct xt_mtdtor_param *par)
nf_ct_l3proto_module_put(par->family);
}
#ifdef CONFIG_COMPAT
struct compat_xt_connmark_info {
compat_ulong_t mark, mask;
u_int8_t invert;
u_int8_t __pad1;
u_int16_t __pad2;
};
static void connmark_mt_compat_from_user_v0(void *dst, void *src)
{
const struct compat_xt_connmark_info *cm = src;
struct xt_connmark_info m = {
.mark = cm->mark,
.mask = cm->mask,
.invert = cm->invert,
};
memcpy(dst, &m, sizeof(m));
}
static int connmark_mt_compat_to_user_v0(void __user *dst, void *src)
{
const struct xt_connmark_info *m = src;
struct compat_xt_connmark_info cm = {
.mark = m->mark,
.mask = m->mask,
.invert = m->invert,
};
return copy_to_user(dst, &cm, sizeof(cm)) ? -EFAULT : 0;
}
#endif /* CONFIG_COMPAT */
static struct xt_match connmark_mt_reg[] __read_mostly = {
{
.name = "connmark",
.revision = 0,
.family = NFPROTO_UNSPEC,
.checkentry = connmark_mt_check_v0,
.match = connmark_mt_v0,
.destroy = connmark_mt_destroy,
.matchsize = sizeof(struct xt_connmark_info),
#ifdef CONFIG_COMPAT
.compatsize = sizeof(struct compat_xt_connmark_info),
.compat_from_user = connmark_mt_compat_from_user_v0,
.compat_to_user = connmark_mt_compat_to_user_v0,
#endif
.me = THIS_MODULE
},
{
.name = "connmark",
.revision = 1,
.family = NFPROTO_UNSPEC,
.checkentry = connmark_mt_check,
.match = connmark_mt,
.matchsize = sizeof(struct xt_connmark_mtinfo1),
.destroy = connmark_mt_destroy,
.me = THIS_MODULE,
},
static struct xt_match connmark_mt_reg __read_mostly = {
.name = "connmark",
.revision = 1,
.family = NFPROTO_UNSPEC,
.checkentry = connmark_mt_check,
.match = connmark_mt,
.matchsize = sizeof(struct xt_connmark_mtinfo1),
.destroy = connmark_mt_destroy,
.me = THIS_MODULE,
};
static int __init connmark_mt_init(void)
{
return xt_register_matches(connmark_mt_reg,
ARRAY_SIZE(connmark_mt_reg));
return xt_register_match(&connmark_mt_reg);
}
static void __exit connmark_mt_exit(void)
{
xt_unregister_matches(connmark_mt_reg, ARRAY_SIZE(connmark_mt_reg));
xt_unregister_match(&connmark_mt_reg);
}
module_init(connmark_mt_init);