Commit bf825f81 authored by Jamal Hadi Salim's avatar Jamal Hadi Salim Committed by David S. Miller
Browse files

xfrm: introduce basic mark infrastructure 



Add basic structuring and accessors for xfrm mark

Signed-off-by: default avatarJamal Hadi Salim <hadi@cyberus.ca>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 7f6b9dbd

include/linux/xfrm.h

+9 −3
Original line number Diff line number Diff line
@@ -267,8 +267,8 @@ enum xfrm_attr_type_t { 
	XFRMA_ALG_COMP,		/* struct xfrm_algo */

	XFRMA_ENCAP,		/* struct xfrm_algo + struct xfrm_encap_tmpl */

	XFRMA_TMPL,		/* 1 or more struct xfrm_user_tmpl */

	XFRMA_SA,

	XFRMA_POLICY,

	XFRMA_SA,		/* struct xfrm_usersa_info  */

	XFRMA_POLICY,		/*struct xfrm_userpolicy_info */

	XFRMA_SEC_CTX,		/* struct xfrm_sec_ctx */

	XFRMA_LTIME_VAL,

	XFRMA_REPLAY_VAL,
@@ -276,17 +276,23 @@ enum xfrm_attr_type_t { 
	XFRMA_ETIMER_THRESH,

	XFRMA_SRCADDR,		/* xfrm_address_t */

	XFRMA_COADDR,		/* xfrm_address_t */

	XFRMA_LASTUSED,

	XFRMA_LASTUSED,		/* unsigned long  */

	XFRMA_POLICY_TYPE,	/* struct xfrm_userpolicy_type */

	XFRMA_MIGRATE,

	XFRMA_ALG_AEAD,		/* struct xfrm_algo_aead */

	XFRMA_KMADDRESS,        /* struct xfrm_user_kmaddress */

	XFRMA_ALG_AUTH_TRUNC,	/* struct xfrm_algo_auth */

	XFRMA_MARK,		/* struct xfrm_mark */

	__XFRMA_MAX



#define XFRMA_MAX (__XFRMA_MAX - 1)

};



struct xfrm_mark {

	__u32           v; /* value */

	__u32           m; /* mask */

};



enum xfrm_sadattr_type_t {

	XFRMA_SAD_UNSPEC,

	XFRMA_SAD_CNT,

include/net/xfrm.h

+22 −0
Original line number Diff line number Diff line
@@ -140,6 +140,7 @@ struct xfrm_state { 


	struct xfrm_id		id;

	struct xfrm_selector	sel;

	struct xfrm_mark	mark;



	u32			genid;
@@ -481,6 +482,7 @@ struct xfrm_policy { 


	u32			priority;

	u32			index;

	struct xfrm_mark	mark;

	struct xfrm_selector	selector;

	struct xfrm_lifetime_cfg lft;

	struct xfrm_lifetime_cur curlft;
@@ -1570,4 +1572,24 @@ static inline struct xfrm_state *xfrm_input_state(struct sk_buff *skb) 
}

#endif



static inline int xfrm_mark_get(struct nlattr **attrs, struct xfrm_mark *m)

{

	if (attrs[XFRMA_MARK])

		memcpy(m, nla_data(attrs[XFRMA_MARK]), sizeof(m));

	else

		m->v = m->m = 0;



	return m->v & m->m;

}



static inline int xfrm_mark_put(struct sk_buff *skb, struct xfrm_mark *m)

{

	if (m->m | m->v)

		NLA_PUT(skb, XFRMA_MARK, sizeof(struct xfrm_mark), m);

	return 0;



nla_put_failure:

	return -1;

}



#endif	/* _NET_XFRM_H */