netfilter: provide nft_ctx in object init function

this is needed by the upcoming ct helper object type --
we'd like to be able use the table family (ip, ip6, inet) to figure
out which helper has to be requested.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Florian Westphal 2017-03-08 16:48:43 +01:00 committed by Pablo Neira Ayuso
parent c1183db885
commit 84fba05511
4 changed files with 10 additions and 6 deletions

View file

@ -1017,7 +1017,8 @@ struct nft_object_type {
unsigned int maxattr;
struct module *owner;
const struct nla_policy *policy;
int (*init)(const struct nlattr * const tb[],
int (*init)(const struct nft_ctx *ctx,
const struct nlattr *const tb[],
struct nft_object *obj);
void (*destroy)(struct nft_object *obj);
int (*dump)(struct sk_buff *skb,

View file

@ -4095,7 +4095,8 @@ static const struct nla_policy nft_obj_policy[NFTA_OBJ_MAX + 1] = {
[NFTA_OBJ_DATA] = { .type = NLA_NESTED },
};
static struct nft_object *nft_obj_init(const struct nft_object_type *type,
static struct nft_object *nft_obj_init(const struct nft_ctx *ctx,
const struct nft_object_type *type,
const struct nlattr *attr)
{
struct nlattr *tb[type->maxattr + 1];
@ -4115,7 +4116,7 @@ static struct nft_object *nft_obj_init(const struct nft_object_type *type,
if (obj == NULL)
goto err1;
err = type->init((const struct nlattr * const *)tb, obj);
err = type->init(ctx, (const struct nlattr * const *)tb, obj);
if (err < 0)
goto err2;
@ -4223,7 +4224,7 @@ static int nf_tables_newobj(struct net *net, struct sock *nlsk,
if (IS_ERR(type))
return PTR_ERR(type);
obj = nft_obj_init(type, nla[NFTA_OBJ_DATA]);
obj = nft_obj_init(&ctx, type, nla[NFTA_OBJ_DATA]);
if (IS_ERR(obj)) {
err = PTR_ERR(obj);
goto err1;

View file

@ -82,7 +82,8 @@ static int nft_counter_do_init(const struct nlattr * const tb[],
return 0;
}
static int nft_counter_obj_init(const struct nlattr * const tb[],
static int nft_counter_obj_init(const struct nft_ctx *ctx,
const struct nlattr * const tb[],
struct nft_object *obj)
{
struct nft_counter_percpu_priv *priv = nft_obj_data(obj);

View file

@ -99,7 +99,8 @@ static int nft_quota_do_init(const struct nlattr * const tb[],
return 0;
}
static int nft_quota_obj_init(const struct nlattr * const tb[],
static int nft_quota_obj_init(const struct nft_ctx *ctx,
const struct nlattr * const tb[],
struct nft_object *obj)
{
struct nft_quota *priv = nft_obj_data(obj);