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authorJan Engelhardt <jengelh@computergmbh.de>2008-10-08 11:35:01 +0200
committerPatrick McHardy <kaber@trash.net>2008-10-08 11:35:01 +0200
commit55b69e91040c685a064198bd76e59885b7ad26c6 (patch)
treef106ca5825afdda752b89cae7e7d384ba55a7d44 /net/netfilter/xt_mark.c
parentee999d8b9573df1b547aacdc6d79f86eb79c25cd (diff)
netfilter: implement NFPROTO_UNSPEC as a wildcard for extensions
When a match or target is looked up using xt_find_{match,target}, Xtables will also search the NFPROTO_UNSPEC module list. This allows for protocol-independent extensions (like xt_time) to be reused from other components (e.g. arptables, ebtables). Extensions that take different codepaths depending on match->family or target->family of course cannot use NFPROTO_UNSPEC within the registration structure (e.g. xt_pkttype). Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Patrick McHardy <kaber@trash.net>
Diffstat (limited to 'net/netfilter/xt_mark.c')
-rw-r--r--net/netfilter/xt_mark.c26
1 files changed, 2 insertions, 24 deletions
diff --git a/net/netfilter/xt_mark.c b/net/netfilter/xt_mark.c
index c66affd5722f..96dd2b63b6b6 100644
--- a/net/netfilter/xt_mark.c
+++ b/net/netfilter/xt_mark.c
@@ -92,7 +92,7 @@ static struct xt_match mark_mt_reg[] __read_mostly = {
{
.name = "mark",
.revision = 0,
- .family = NFPROTO_IPV4,
+ .family = NFPROTO_UNSPEC,
.checkentry = mark_mt_check_v0,
.match = mark_mt_v0,
.matchsize = sizeof(struct xt_mark_info),
@@ -104,31 +104,9 @@ static struct xt_match mark_mt_reg[] __read_mostly = {
.me = THIS_MODULE,
},
{
- .name = "mark",
- .revision = 0,
- .family = NFPROTO_IPV6,
- .checkentry = mark_mt_check_v0,
- .match = mark_mt_v0,
- .matchsize = sizeof(struct xt_mark_info),
-#ifdef CONFIG_COMPAT
- .compatsize = sizeof(struct compat_xt_mark_info),
- .compat_from_user = mark_mt_compat_from_user_v0,
- .compat_to_user = mark_mt_compat_to_user_v0,
-#endif
- .me = THIS_MODULE,
- },
- {
- .name = "mark",
- .revision = 1,
- .family = NFPROTO_IPV4,
- .match = mark_mt,
- .matchsize = sizeof(struct xt_mark_mtinfo1),
- .me = THIS_MODULE,
- },
- {
.name = "mark",
.revision = 1,
- .family = NFPROTO_IPV6,
+ .family = NFPROTO_UNSPEC,
.match = mark_mt,
.matchsize = sizeof(struct xt_mark_mtinfo1),
.me = THIS_MODULE,