netfilter 22/62: xtables: CONFIG_COMPAT redux

Patrick McHardy
2010-02-16T14:55:51Z

commit c30f540b63047437ffa894b5353216410c480d1a
Author: Alexey Dobriyan <adobriyan@gmail.com>
Date: Tue Feb 2 15:03:24 2010 +0100

netfilter: xtables: CONFIG_COMPAT redux

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>

diff --git a/include/linux/netfilter.h b/include/linux/netfilter.h
index 48c5496..78f33d2 100644
--- a/include/linux/netfilter.h
+++ b/include/linux/netfilter.h
@@ -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).
diff --git a/include/linux/netfilter/x_tables.h b/include/linux/netfilter/x_tables.h
index 3caf5e1..026eb78 100644
--- a/include/linux/netfilter/x_tables.h
+++ b/include/linux/netfilter/x_tables.h
@@ -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;