X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Flinux%2Fxfrm.h;h=f2bbf4b35361f5ef713d87fd7f7be90d7a29752f;hb=fcabec0aee42af28e2846ef3674ed7ba7be72c42;hp=f0df02ae68a4138152b5f278f9a1afaaf973554a;hpb=cb820e861caa85bb3942ab0c673e04b9408be0ad;p=iproute2.git diff --git a/include/linux/xfrm.h b/include/linux/xfrm.h index f0df02a..f2bbf4b 100644 --- a/include/linux/xfrm.h +++ b/include/linux/xfrm.h @@ -27,6 +27,22 @@ struct xfrm_id __u8 proto; }; +struct xfrm_sec_ctx { + __u8 ctx_doi; + __u8 ctx_alg; + __u16 ctx_len; + __u32 ctx_sid; + char ctx_str[0]; +}; + +/* Security Context Domains of Interpretation */ +#define XFRM_SC_DOI_RESERVED 0 +#define XFRM_SC_DOI_LSM 1 + +/* Security Context Algorithms */ +#define XFRM_SC_ALG_RESERVED 0 +#define XFRM_SC_ALG_SELINUX 1 + /* Selector, used as selector both on policy rules (SPD) and SAs. */ struct xfrm_selector @@ -140,7 +156,22 @@ enum { XFRM_MSG_FLUSHPOLICY, #define XFRM_MSG_FLUSHPOLICY XFRM_MSG_FLUSHPOLICY - XFRM_MSG_MAX + __XFRM_MSG_MAX +}; +#define XFRM_MSG_MAX (__XFRM_MSG_MAX - 1) + +#define XFRM_NR_MSGTYPES (XFRM_MSG_MAX + 1 - XFRM_MSG_BASE) + +/* + * Generic LSM security context for comunicating to user space + * NOTE: Same format as sadb_x_sec_ctx + */ +struct xfrm_user_sec_ctx { + __u16 len; + __u16 exttype; + __u8 ctx_alg; /* LSMs: e.g., selinux == 1 */ + __u8 ctx_doi; + __u16 ctx_len; }; struct xfrm_user_tmpl { @@ -171,6 +202,9 @@ 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_SEC_CTX, /* struct xfrm_sec_ctx */ __XFRMA_MAX #define XFRMA_MAX (__XFRMA_MAX - 1) @@ -191,6 +225,7 @@ struct xfrm_usersa_info { __u8 flags; #define XFRM_STATE_NOECN 1 #define XFRM_STATE_DECAP_DSCP 2 +#define XFRM_STATE_NOPMTUDISC 4 }; struct xfrm_usersa_id { @@ -252,7 +287,25 @@ struct xfrm_usersa_flush { __u8 proto; }; +/* backwards compatibility for userspace */ #define XFRMGRP_ACQUIRE 1 #define XFRMGRP_EXPIRE 2 +#define XFRMGRP_SA 4 +#define XFRMGRP_POLICY 8 + +enum xfrm_nlgroups { + XFRMNLGRP_NONE, +#define XFRMNLGRP_NONE XFRMNLGRP_NONE + XFRMNLGRP_ACQUIRE, +#define XFRMNLGRP_ACQUIRE XFRMNLGRP_ACQUIRE + XFRMNLGRP_EXPIRE, +#define XFRMNLGRP_EXPIRE XFRMNLGRP_EXPIRE + XFRMNLGRP_SA, +#define XFRMNLGRP_SA XFRMNLGRP_SA + XFRMNLGRP_POLICY, +#define XFRMNLGRP_POLICY XFRMNLGRP_POLICY + __XFRMNLGRP_MAX +}; +#define XFRMNLGRP_MAX (__XFRMNLGRP_MAX - 1) #endif /* _LINUX_XFRM_H */