diff options
author | Ole Troan <ot@cisco.com> | 2017-11-08 11:10:54 +0100 |
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committer | Ole Trøan <otroan@employees.org> | 2018-01-05 10:18:08 +0000 |
commit | e31d956d90882186070c174f987abc642b73d54e (patch) | |
tree | 904b6b0f75ebc366d164c56e7a37bf54952011e5 /src/vnet/map/map.h | |
parent | d3638337422575c414c4bd793c0dbac39f297040 (diff) |
MAP: Add RFC6052 mapping to MAP-T
Change-Id: I2e311f8b7f50133678b9172e8d071826af491609
Signed-off-by: Ole Troan <ot@cisco.com>
Signed-off-by: Juraj Sloboda <jsloboda@cisco.com>
Diffstat (limited to 'src/vnet/map/map.h')
-rw-r--r-- | src/vnet/map/map.h | 28 |
1 files changed, 20 insertions, 8 deletions
diff --git a/src/vnet/map/map.h b/src/vnet/map/map.h index b9b3353dd2e..8bae222a24b 100644 --- a/src/vnet/map/map.h +++ b/src/vnet/map/map.h @@ -35,10 +35,12 @@ int map_add_del_psid (u32 map_domain_index, u16 psid, ip6_address_t * tep, u8 is_add); u8 *format_map_trace (u8 * s, va_list * args); -typedef enum __attribute__ ((__packed__)) +typedef enum { - MAP_DOMAIN_PREFIX = 1 << 0, MAP_DOMAIN_TRANSLATION = 1 << 1, // The domain uses MAP-T -} map_domain_flags_e; + MAP_DOMAIN_PREFIX = 1 << 0, + MAP_DOMAIN_TRANSLATION = 1 << 1, // The domain uses MAP-T + MAP_DOMAIN_RFC6052 = 1 << 2, +} __attribute__ ((__packed__)) map_domain_flags_e; /** * IP4 reassembly logic: @@ -382,6 +384,9 @@ map_get_sfx (map_domain_t *d, u32 addr, u16 port) if (d->ip6_prefix_len == 128) return clib_net_to_host_u64(d->ip6_prefix.as_u64[1]); + if (d->flags & MAP_DOMAIN_RFC6052) + return (clib_net_to_host_u64(d->ip6_prefix.as_u64[1]) | addr); + /* IPv4 prefix */ if (d->flags & MAP_DOMAIN_PREFIX) return (u64) (addr & (0xFFFFFFFF << d->suffix_shift)) << 16; @@ -398,9 +403,12 @@ map_get_sfx_net (map_domain_t *d, u32 addr, u16 port) } static_always_inline u32 -map_get_ip4 (ip6_address_t *addr) +map_get_ip4 (ip6_address_t *addr, map_domain_flags_e flags) { - return clib_host_to_net_u32(clib_net_to_host_u64(addr->as_u64[1]) >> 16); + if (flags & MAP_DOMAIN_RFC6052) + return clib_host_to_net_u32(clib_net_to_host_u64(addr->as_u64[1])); + else + return clib_host_to_net_u32(clib_net_to_host_u64(addr->as_u64[1]) >> 16); } /* @@ -427,16 +435,19 @@ ip6_map_get_domain (u32 mdi, { map_main_t *mm = &map_main; +#ifdef TODO /* * Disable direct MAP domain lookup on decap, until the security check is updated to verify IPv4 SA. * (That's done implicitly when MAP domain is looked up in the IPv4 FIB) */ -#ifdef MAP_NONSHARED_DOMAIN_ENABLED -#error "How can you be sure this domain is not shared?" + //#ifdef MAP_NONSHARED_DOMAIN_ENABLED + //#error "How can you be sure this domain is not shared?" +#endif + *map_domain_index = mdi; return pool_elt_at_index(mm->domains, mdi); -#endif +#ifdef TODO u32 lbi = ip4_fib_forwarding_lookup(0, addr); const dpo_id_t *dpo = load_balance_get_bucket(lbi, 0); if (PREDICT_TRUE(dpo->dpoi_type == map_dpo_type || @@ -447,6 +458,7 @@ ip6_map_get_domain (u32 mdi, } *error = MAP_ERROR_NO_DOMAIN; return NULL; +#endif } map_ip4_reass_t * |