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| author | Tejun Heo <tj@kernel.org> | 2015-12-07 17:38:54 -0500 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2015-12-14 20:34:52 +0100 |
| commit | 4ec8ff0edccffe7a77f18e2a1e2ce86f03e08b5c (patch) | |
| tree | e6df6b0ff038599f82801e6c83b1c7986bfc1743 /net/netfilter | |
| parent | a4ec80082c82f3fda775d13b2a72aac38248ced6 (diff) | |
| download | linux-4ec8ff0edccffe7a77f18e2a1e2ce86f03e08b5c.tar.bz2 | |
netfilter: prepare xt_cgroup for multi revisions
xt_cgroup will grow cgroup2 path based match. Postfix existing
symbols with _v0 and prepare for multi revision registration.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Daniel Wagner <daniel.wagner@bmw-carit.de>
CC: Neil Horman <nhorman@tuxdriver.com>
Cc: Jan Engelhardt <jengelh@inai.de>
Cc: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net/netfilter')
| -rw-r--r-- | net/netfilter/xt_cgroup.c | 36 |
1 files changed, 19 insertions, 17 deletions
diff --git a/net/netfilter/xt_cgroup.c b/net/netfilter/xt_cgroup.c index 54eaeb45ce99..17300256772a 100644 --- a/net/netfilter/xt_cgroup.c +++ b/net/netfilter/xt_cgroup.c @@ -24,9 +24,9 @@ MODULE_DESCRIPTION("Xtables: process control group matching"); MODULE_ALIAS("ipt_cgroup"); MODULE_ALIAS("ip6t_cgroup"); -static int cgroup_mt_check(const struct xt_mtchk_param *par) +static int cgroup_mt_check_v0(const struct xt_mtchk_param *par) { - struct xt_cgroup_info *info = par->matchinfo; + struct xt_cgroup_info_v0 *info = par->matchinfo; if (info->invert & ~1) return -EINVAL; @@ -35,9 +35,9 @@ static int cgroup_mt_check(const struct xt_mtchk_param *par) } static bool -cgroup_mt(const struct sk_buff *skb, struct xt_action_param *par) +cgroup_mt_v0(const struct sk_buff *skb, struct xt_action_param *par) { - const struct xt_cgroup_info *info = par->matchinfo; + const struct xt_cgroup_info_v0 *info = par->matchinfo; if (skb->sk == NULL || !sk_fullsock(skb->sk)) return false; @@ -46,27 +46,29 @@ cgroup_mt(const struct sk_buff *skb, struct xt_action_param *par) info->invert; } -static struct xt_match cgroup_mt_reg __read_mostly = { - .name = "cgroup", - .revision = 0, - .family = NFPROTO_UNSPEC, - .checkentry = cgroup_mt_check, - .match = cgroup_mt, - .matchsize = sizeof(struct xt_cgroup_info), - .me = THIS_MODULE, - .hooks = (1 << NF_INET_LOCAL_OUT) | - (1 << NF_INET_POST_ROUTING) | - (1 << NF_INET_LOCAL_IN), +static struct xt_match cgroup_mt_reg[] __read_mostly = { + { + .name = "cgroup", + .revision = 0, + .family = NFPROTO_UNSPEC, + .checkentry = cgroup_mt_check_v0, + .match = cgroup_mt_v0, + .matchsize = sizeof(struct xt_cgroup_info_v0), + .me = THIS_MODULE, + .hooks = (1 << NF_INET_LOCAL_OUT) | + (1 << NF_INET_POST_ROUTING) | + (1 << NF_INET_LOCAL_IN), + }, }; static int __init cgroup_mt_init(void) { - return xt_register_match(&cgroup_mt_reg); + return xt_register_matches(cgroup_mt_reg, ARRAY_SIZE(cgroup_mt_reg)); } static void __exit cgroup_mt_exit(void) { - xt_unregister_match(&cgroup_mt_reg); + xt_unregister_matches(cgroup_mt_reg, ARRAY_SIZE(cgroup_mt_reg)); } module_init(cgroup_mt_init); |