151 	u32			if_id;  member
585 	u32			if_id;  member
1052 	u32 if_id;		/* interface identifyer */  member
1560 				   unsigned short family, u32 if_id);
1561 struct xfrm_state *xfrm_stateonly_find(struct net *net, u32 mark, u32 if_id,
1718 struct xfrm_policy *xfrm_policy_bysel_ctx(struct net *net, u32 mark, u32 if_id,
1723 struct xfrm_policy *xfrm_policy_byid(struct net *net, u32 mark, u32 if_id, u8,
1731 				 u8 mode, u32 reqid, u32 if_id, u8 proto,
2047 static inline int xfrm_if_id_put(struct sk_buff *skb, __u32 if_id)  in xfrm_if_id_put()  argument
2051 	if (if_id)  in xfrm_if_id_put()
2052 		ret = nla_put_u32(skb, XFRMA_IF_ID, if_id);  in xfrm_if_id_put()