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-rw-r--r--net/xfrm/xfrm_policy.c173
-rw-r--r--net/xfrm/xfrm_state.c170
2 files changed, 170 insertions, 173 deletions
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index af27c193697..ca24c90d379 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -49,8 +49,6 @@ static DEFINE_SPINLOCK(xfrm_policy_gc_lock);
static struct xfrm_policy_afinfo *xfrm_policy_get_afinfo(unsigned short family);
static void xfrm_policy_put_afinfo(struct xfrm_policy_afinfo *afinfo);
-static struct xfrm_policy_afinfo *xfrm_policy_lock_afinfo(unsigned int family);
-static void xfrm_policy_unlock_afinfo(struct xfrm_policy_afinfo *afinfo);
static inline int
__xfrm4_selector_match(struct xfrm_selector *sel, struct flowi *fl)
@@ -86,72 +84,6 @@ int xfrm_selector_match(struct xfrm_selector *sel, struct flowi *fl,
return 0;
}
-int xfrm_register_type(struct xfrm_type *type, unsigned short family)
-{
- struct xfrm_policy_afinfo *afinfo = xfrm_policy_lock_afinfo(family);
- struct xfrm_type **typemap;
- int err = 0;
-
- if (unlikely(afinfo == NULL))
- return -EAFNOSUPPORT;
- typemap = afinfo->type_map;
-
- if (likely(typemap[type->proto] == NULL))
- typemap[type->proto] = type;
- else
- err = -EEXIST;
- xfrm_policy_unlock_afinfo(afinfo);
- return err;
-}
-EXPORT_SYMBOL(xfrm_register_type);
-
-int xfrm_unregister_type(struct xfrm_type *type, unsigned short family)
-{
- struct xfrm_policy_afinfo *afinfo = xfrm_policy_lock_afinfo(family);
- struct xfrm_type **typemap;
- int err = 0;
-
- if (unlikely(afinfo == NULL))
- return -EAFNOSUPPORT;
- typemap = afinfo->type_map;
-
- if (unlikely(typemap[type->proto] != type))
- err = -ENOENT;
- else
- typemap[type->proto] = NULL;
- xfrm_policy_unlock_afinfo(afinfo);
- return err;
-}
-EXPORT_SYMBOL(xfrm_unregister_type);
-
-struct xfrm_type *xfrm_get_type(u8 proto, unsigned short family)
-{
- struct xfrm_policy_afinfo *afinfo;
- struct xfrm_type **typemap;
- struct xfrm_type *type;
- int modload_attempted = 0;
-
-retry:
- afinfo = xfrm_policy_get_afinfo(family);
- if (unlikely(afinfo == NULL))
- return NULL;
- typemap = afinfo->type_map;
-
- type = typemap[proto];
- if (unlikely(type && !try_module_get(type->owner)))
- type = NULL;
- if (!type && !modload_attempted) {
- xfrm_policy_put_afinfo(afinfo);
- request_module("xfrm-type-%d-%d",
- (int) family, (int) proto);
- modload_attempted = 1;
- goto retry;
- }
-
- xfrm_policy_put_afinfo(afinfo);
- return type;
-}
-
int xfrm_dst_lookup(struct xfrm_dst **dst, struct flowi *fl,
unsigned short family)
{
@@ -170,94 +102,6 @@ int xfrm_dst_lookup(struct xfrm_dst **dst, struct flowi *fl,
}
EXPORT_SYMBOL(xfrm_dst_lookup);
-void xfrm_put_type(struct xfrm_type *type)
-{
- module_put(type->owner);
-}
-
-int xfrm_register_mode(struct xfrm_mode *mode, int family)
-{
- struct xfrm_policy_afinfo *afinfo;
- struct xfrm_mode **modemap;
- int err;
-
- if (unlikely(mode->encap >= XFRM_MODE_MAX))
- return -EINVAL;
-
- afinfo = xfrm_policy_lock_afinfo(family);
- if (unlikely(afinfo == NULL))
- return -EAFNOSUPPORT;
-
- err = -EEXIST;
- modemap = afinfo->mode_map;
- if (likely(modemap[mode->encap] == NULL)) {
- modemap[mode->encap] = mode;
- err = 0;
- }
-
- xfrm_policy_unlock_afinfo(afinfo);
- return err;
-}
-EXPORT_SYMBOL(xfrm_register_mode);
-
-int xfrm_unregister_mode(struct xfrm_mode *mode, int family)
-{
- struct xfrm_policy_afinfo *afinfo;
- struct xfrm_mode **modemap;
- int err;
-
- if (unlikely(mode->encap >= XFRM_MODE_MAX))
- return -EINVAL;
-
- afinfo = xfrm_policy_lock_afinfo(family);
- if (unlikely(afinfo == NULL))
- return -EAFNOSUPPORT;
-
- err = -ENOENT;
- modemap = afinfo->mode_map;
- if (likely(modemap[mode->encap] == mode)) {
- modemap[mode->encap] = NULL;
- err = 0;
- }
-
- xfrm_policy_unlock_afinfo(afinfo);
- return err;
-}
-EXPORT_SYMBOL(xfrm_unregister_mode);
-
-struct xfrm_mode *xfrm_get_mode(unsigned int encap, int family)
-{
- struct xfrm_policy_afinfo *afinfo;
- struct xfrm_mode *mode;
- int modload_attempted = 0;
-
- if (unlikely(encap >= XFRM_MODE_MAX))
- return NULL;
-
-retry:
- afinfo = xfrm_policy_get_afinfo(family);
- if (unlikely(afinfo == NULL))
- return NULL;
-
- mode = afinfo->mode_map[encap];
- if (unlikely(mode && !try_module_get(mode->owner)))
- mode = NULL;
- if (!mode && !modload_attempted) {
- xfrm_policy_put_afinfo(afinfo);
- request_module("xfrm-mode-%d-%d", family, encap);
- modload_attempted = 1;
- goto retry;
- }
-
- xfrm_policy_put_afinfo(afinfo);
- return mode;
-}
-
-void xfrm_put_mode(struct xfrm_mode *mode)
-{
- module_put(mode->owner);
-}
-
static inline unsigned long make_jiffies(long secs)
{
if (secs >= (MAX_SCHEDULE_TIMEOUT-1)/HZ)
@@ -2213,23 +2057,6 @@ static void xfrm_policy_put_afinfo(struct xfrm_policy_afinfo *afinfo)
read_unlock(&xfrm_policy_afinfo_lock);
}
-static struct xfrm_policy_afinfo *xfrm_policy_lock_afinfo(unsigned int family)
-{
- struct xfrm_policy_afinfo *afinfo;
- if (unlikely(family >= NPROTO))
- return NULL;
- write_lock_bh(&xfrm_policy_afinfo_lock);
- afinfo = xfrm_policy_afinfo[family];
- if (unlikely(!afinfo))
- write_unlock_bh(&xfrm_policy_afinfo_lock);
- return afinfo;
-}
-
-static void xfrm_policy_unlock_afinfo(struct xfrm_policy_afinfo *afinfo)
-{
- write_unlock_bh(&xfrm_policy_afinfo_lock);
-}
-
static int xfrm_dev_event(struct notifier_block *this, unsigned long event, void *ptr)
{
struct net_device *dev = ptr;
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index 344f0a6abec..dc438f2b944 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -187,6 +187,176 @@ int __xfrm_state_delete(struct xfrm_state *x);
int km_query(struct xfrm_state *x, struct xfrm_tmpl *t, struct xfrm_policy *pol);
void km_state_expired(struct xfrm_state *x, int hard, u32 pid);
+static struct xfrm_state_afinfo *xfrm_state_lock_afinfo(unsigned int family)
+{
+ struct xfrm_state_afinfo *afinfo;
+ if (unlikely(family >= NPROTO))
+ return NULL;
+ write_lock_bh(&xfrm_state_afinfo_lock);
+ afinfo = xfrm_state_afinfo[family];
+ if (unlikely(!afinfo))
+ write_unlock_bh(&xfrm_state_afinfo_lock);
+ return afinfo;
+}
+
+static void xfrm_state_unlock_afinfo(struct xfrm_state_afinfo *afinfo)
+{
+ write_unlock_bh(&xfrm_state_afinfo_lock);
+}
+
+int xfrm_register_type(struct xfrm_type *type, unsigned short family)
+{
+ struct xfrm_state_afinfo *afinfo = xfrm_state_lock_afinfo(family);
+ struct xfrm_type **typemap;
+ int err = 0;
+
+ if (unlikely(afinfo == NULL))
+ return -EAFNOSUPPORT;
+ typemap = afinfo->type_map;
+
+ if (likely(typemap[type->proto] == NULL))
+ typemap[type->proto] = type;
+ else
+ err = -EEXIST;
+ xfrm_state_unlock_afinfo(afinfo);
+ return err;
+}
+EXPORT_SYMBOL(xfrm_register_type);
+
+int xfrm_unregister_type(struct xfrm_type *type, unsigned short family)
+{
+ struct xfrm_state_afinfo *afinfo = xfrm_state_lock_afinfo(family);
+ struct xfrm_type **typemap;
+ int err = 0;
+
+ if (unlikely(afinfo == NULL))
+ return -EAFNOSUPPORT;
+ typemap = afinfo->type_map;
+
+ if (unlikely(typemap[type->proto] != type))
+ err = -ENOENT;
+ else
+ typemap[type->proto] = NULL;
+ xfrm_state_unlock_afinfo(afinfo);
+ return err;
+}
+EXPORT_SYMBOL(xfrm_unregister_type);
+
+static struct xfrm_type *xfrm_get_type(u8 proto, unsigned short family)
+{
+ struct xfrm_state_afinfo *afinfo;
+ struct xfrm_type **typemap;
+ struct xfrm_type *type;
+ int modload_attempted = 0;
+
+retry:
+ afinfo = xfrm_state_get_afinfo(family);
+ if (unlikely(afinfo == NULL))
+ return NULL;
+ typemap = afinfo->type_map;
+
+ type = typemap[proto];
+ if (unlikely(type && !try_module_get(type->owner)))
+ type = NULL;
+ if (!type && !modload_attempted) {
+ xfrm_state_put_afinfo(afinfo);
+ request_module("xfrm-type-%d-%d", family, proto);
+ modload_attempted = 1;
+ goto retry;
+ }
+
+ xfrm_state_put_afinfo(afinfo);
+ return type;
+}
+
+static void xfrm_put_type(struct xfrm_type *type)
+{
+ module_put(type->owner);
+}
+
+int xfrm_register_mode(struct xfrm_mode *mode, int family)
+{
+ struct xfrm_state_afinfo *afinfo;
+ struct xfrm_mode **modemap;
+ int err;
+
+ if (unlikely(mode->encap >= XFRM_MODE_MAX))
+ return -EINVAL;
+
+ afinfo = xfrm_state_lock_afinfo(family);
+ if (unlikely(afinfo == NULL))
+ return -EAFNOSUPPORT;
+
+ err = -EEXIST;
+ modemap = afinfo->mode_map;
+ if (likely(modemap[mode->encap] == NULL)) {
+ modemap[mode->encap] = mode;
+ err = 0;
+ }
+
+ xfrm_state_unlock_afinfo(afinfo);
+ return err;
+}
+EXPORT_SYMBOL(xfrm_register_mode);
+
+int xfrm_unregister_mode(struct xfrm_mode *mode, int family)
+{
+ struct xfrm_state_afinfo *afinfo;
+ struct xfrm_mode **modemap;
+ int err;
+
+ if (unlikely(mode->encap >= XFRM_MODE_MAX))
+ return -EINVAL;
+
+ afinfo = xfrm_state_lock_afinfo(family);
+ if (unlikely(afinfo == NULL))
+ return -EAFNOSUPPORT;
+
+ err = -ENOENT;
+ modemap = afinfo->mode_map;
+ if (likely(modemap[mode->encap] == mode)) {
+ modemap[mode->encap] = NULL;
+ err = 0;
+ }
+
+ xfrm_state_unlock_afinfo(afinfo);
+ return err;
+}
+EXPORT_SYMBOL(xfrm_unregister_mode);
+
+static struct xfrm_mode *xfrm_get_mode(unsigned int encap, int family)
+{
+ struct xfrm_state_afinfo *afinfo;
+ struct xfrm_mode *mode;
+ int modload_attempted = 0;
+
+ if (unlikely(encap >= XFRM_MODE_MAX))
+ return NULL;
+
+retry:
+ afinfo = xfrm_state_get_afinfo(family);
+ if (unlikely(afinfo == NULL))
+ return NULL;
+
+ mode = afinfo->mode_map[encap];
+ if (unlikely(mode && !try_module_get(mode->owner)))
+ mode = NULL;
+ if (!mode && !modload_attempted) {
+ xfrm_state_put_afinfo(afinfo);
+ request_module("xfrm-mode-%d-%d", family, encap);
+ modload_attempted = 1;
+ goto retry;
+ }
+
+ xfrm_state_put_afinfo(afinfo);
+ return mode;
+}
+
+static void xfrm_put_mode(struct xfrm_mode *mode)
+{
+ module_put(mode->owner);
+}
+
static void xfrm_state_gc_destroy(struct xfrm_state *x)
{
del_timer_sync(&x->timer);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-24 10:59:54 +0000