diff options
Diffstat (limited to 'net/ipv6/ila/ila.h')
| -rw-r--r-- | net/ipv6/ila/ila.h | 67 |
1 files changed, 64 insertions, 3 deletions
diff --git a/net/ipv6/ila/ila.h b/net/ipv6/ila/ila.h index 28542cb2b387..f532967d9ed7 100644 --- a/net/ipv6/ila/ila.h +++ b/net/ipv6/ila/ila.h @@ -23,9 +23,70 @@ #include <net/protocol.h> #include <uapi/linux/ila.h> +struct ila_locator { + union { + __u8 v8[8]; + __be16 v16[4]; + __be32 v32[2]; + __be64 v64; + }; +}; + +struct ila_identifier { + union { + struct { +#if defined(__LITTLE_ENDIAN_BITFIELD) + u8 __space:5; + u8 type:3; +#elif defined(__BIG_ENDIAN_BITFIELD) + u8 type:3; + u8 __space:5; +#else +#error "Adjust your <asm/byteorder.h> defines" +#endif + u8 __space2[7]; + }; + __u8 v8[8]; + __be16 v16[4]; + __be32 v32[2]; + __be64 v64; + }; +}; + +enum { + ILA_ATYPE_IID = 0, + ILA_ATYPE_LUID, + ILA_ATYPE_VIRT_V4, + ILA_ATYPE_VIRT_UNI_V6, + ILA_ATYPE_VIRT_MULTI_V6, + ILA_ATYPE_RSVD_1, + ILA_ATYPE_RSVD_2, + ILA_ATYPE_RSVD_3, +}; + +struct ila_addr { + union { + struct in6_addr addr; + struct { + struct ila_locator loc; + struct ila_identifier ident; + }; + }; +}; + +static inline struct ila_addr *ila_a2i(struct in6_addr *addr) +{ + return (struct ila_addr *)addr; +} + +static inline bool ila_addr_is_ila(struct ila_addr *iaddr) +{ + return (iaddr->ident.type != ILA_ATYPE_IID); +} + struct ila_params { - __be64 locator; - __be64 locator_match; + struct ila_locator locator; + struct ila_locator locator_match; __wsum csum_diff; }; @@ -38,7 +99,7 @@ static inline __wsum compute_csum_diff8(const __be32 *from, const __be32 *to) return csum_partial(diff, sizeof(diff), 0); } -void update_ipv6_locator(struct sk_buff *skb, struct ila_params *p); +void ila_update_ipv6_locator(struct sk_buff *skb, struct ila_params *p); int ila_lwt_init(void); void ila_lwt_fini(void); |