diff options
Diffstat (limited to 'include/net/xfrm.h')
| -rw-r--r-- | include/net/xfrm.h | 31 |
1 files changed, 28 insertions, 3 deletions
diff --git a/include/net/xfrm.h b/include/net/xfrm.h index 5beae1ccd57..07d7b50cdd7 100644 --- a/include/net/xfrm.h +++ b/include/net/xfrm.h @@ -2,11 +2,12 @@ #define _NET_XFRM_H #include <linux/compiler.h> +#include <linux/in.h> #include <linux/xfrm.h> #include <linux/spinlock.h> #include <linux/list.h> #include <linux/skbuff.h> -#include <linux/netdevice.h> +#include <linux/socket.h> #include <linux/crypto.h> #include <linux/pfkeyv2.h> #include <linux/in6.h> @@ -144,6 +145,9 @@ struct xfrm_state * transformer. */ struct xfrm_type *type; + /* Security context */ + struct xfrm_sec_ctx *security; + /* Private data of this transformer, format is opaque, * interpreted by xfrm_type methods. */ void *data; @@ -298,6 +302,7 @@ struct xfrm_policy __u8 flags; __u8 dead; __u8 xfrm_nr; + struct xfrm_sec_ctx *security; struct xfrm_tmpl xfrm_vec[XFRM_MAX_DEPTH]; }; @@ -510,6 +515,25 @@ xfrm_selector_match(struct xfrm_selector *sel, struct flowi *fl, return 0; } +#ifdef CONFIG_SECURITY_NETWORK_XFRM +/* If neither has a context --> match + * Otherwise, both must have a context and the sids, doi, alg must match + */ +static inline int xfrm_sec_ctx_match(struct xfrm_sec_ctx *s1, struct xfrm_sec_ctx *s2) +{ + return ((!s1 && !s2) || + (s1 && s2 && + (s1->ctx_sid == s2->ctx_sid) && + (s1->ctx_doi == s2->ctx_doi) && + (s1->ctx_alg == s2->ctx_alg))); +} +#else +static inline int xfrm_sec_ctx_match(struct xfrm_sec_ctx *s1, struct xfrm_sec_ctx *s2) +{ + return 1; +} +#endif + /* A struct encoding bundle of transformations to apply to some set of flow. * * dst->child points to the next element of bundle. @@ -878,8 +902,8 @@ static inline int xfrm_dst_lookup(struct xfrm_dst **dst, struct flowi *fl, unsig struct xfrm_policy *xfrm_policy_alloc(gfp_t gfp); extern int xfrm_policy_walk(int (*func)(struct xfrm_policy *, int, int, void*), void *); int xfrm_policy_insert(int dir, struct xfrm_policy *policy, int excl); -struct xfrm_policy *xfrm_policy_bysel(int dir, struct xfrm_selector *sel, - int delete); +struct xfrm_policy *xfrm_policy_bysel_ctx(int dir, struct xfrm_selector *sel, + struct xfrm_sec_ctx *ctx, int delete); struct xfrm_policy *xfrm_policy_byid(int dir, u32 id, int delete); void xfrm_policy_flush(void); u32 xfrm_get_acqseq(void); @@ -890,6 +914,7 @@ struct xfrm_state * xfrm_find_acq(u8 mode, u32 reqid, u8 proto, extern void xfrm_policy_flush(void); extern int xfrm_sk_policy_insert(struct sock *sk, int dir, struct xfrm_policy *pol); extern int xfrm_flush_bundles(void); +extern void xfrm_flush_all_bundles(void); extern int xfrm_bundle_ok(struct xfrm_dst *xdst, struct flowi *fl, int family); extern void xfrm_init_pmtu(struct dst_entry *dst); |