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netfilter: xtables: CONFIG_COMPAT redux

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Ifdef out
	struct nf_sockopt_ops::compat_set
	struct nf_sockopt_ops::compat_get
	struct xt_match::compat_from_user
	struct xt_match::compat_to_user
	struct xt_match::compatsize
to make structures smaller on COMPAT=n kernels.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
This commit is contained in:
Alexey Dobriyan 2010-02-02 15:03:24 +01:00 committed by Patrick McHardy
parent 477781477a
commit c30f540b63
2 changed files with 14 additions and 7 deletions
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9
include/linux/netfilter.h
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@ -114,15 +114,17 @@ struct nf_sockopt_ops {
int set_optmin;
int set_optmax;
int (*set)(struct sock *sk, int optval, void __user *user, unsigned int len);
#ifdef CONFIG_COMPAT
int (*compat_set)(struct sock *sk, int optval,
void __user *user, unsigned int len);
#endif
int get_optmin;
int get_optmax;
int (*get)(struct sock *sk, int optval, void __user *user, int *len);
#ifdef CONFIG_COMPAT
int (*compat_get)(struct sock *sk, int optval,
void __user *user, int *len);
#endif
/* Use the module struct to lock set/get code in place */
struct module *owner;
};
@ -222,11 +224,12 @@ int nf_setsockopt(struct sock *sk, u_int8_t pf, int optval, char __user *opt,
unsigned int len);
int nf_getsockopt(struct sock *sk, u_int8_t pf, int optval, char __user *opt,
int *len);
#ifdef CONFIG_COMPAT
int compat_nf_setsockopt(struct sock *sk, u_int8_t pf, int optval,
char __user *opt, unsigned int len);
int compat_nf_getsockopt(struct sock *sk, u_int8_t pf, int optval,
char __user *opt, int *len);
#endif
/* Call this before modifying an existing packet: ensures it is
modifiable and linear to the point you care about (writable_len).

12
include/linux/netfilter/x_tables.h
View File

@ -283,11 +283,11 @@ struct xt_match {
/* Called when entry of this type deleted. */
void (*destroy)(const struct xt_mtdtor_param *);
#ifdef CONFIG_COMPAT
/* Called when userspace align differs from kernel space one */
void (*compat_from_user)(void *dst, void *src);
int (*compat_to_user)(void __user *dst, void *src);
#endif
/* Set this to THIS_MODULE if you are a module, otherwise NULL */
struct module *me;
@ -296,7 +296,9 @@ struct xt_match {
const char *table;
unsigned int matchsize;
#ifdef CONFIG_COMPAT
unsigned int compatsize;
#endif
unsigned int hooks;
unsigned short proto;
@ -323,17 +325,19 @@ struct xt_target {
/* Called when entry of this type deleted. */
void (*destroy)(const struct xt_tgdtor_param *);
#ifdef CONFIG_COMPAT
/* Called when userspace align differs from kernel space one */
void (*compat_from_user)(void *dst, void *src);
int (*compat_to_user)(void __user *dst, void *src);
#endif
/* Set this to THIS_MODULE if you are a module, otherwise NULL */
struct module *me;
const char *table;
unsigned int targetsize;
#ifdef CONFIG_COMPAT
unsigned int compatsize;
#endif
unsigned int hooks;
unsigned short proto;