diff options
author | Neale Ranns <nranns@cisco.com> | 2016-08-25 15:29:12 +0100 |
---|---|---|
committer | Damjan Marion <dmarion.lists@gmail.com> | 2016-09-21 17:37:39 +0000 |
commit | 0bfe5d8c792abcdbcf27bfcc7b7b353fba04aee2 (patch) | |
tree | d600b0e2e693e766e722936744930d3bebac493c /vnet/vnet/map/map.h | |
parent | 60537f3d83e83d0ce10a620ca99aad4eddf85f5e (diff) |
A Protocol Independent Hierarchical FIB (VPP-352)
Main Enhancements:
- Protocol Independent FIB API
- Hierarchical FIB entries. Dynamic recursive route resolution.
- Extranet Support.
- Integration of IP and MPLS forwarding.
- Separation of FIB and Adjacency databases.
- Data-Plane Object forwarding model.
Change-Id: I52dc815c0d0aa8b493e3cf6b978568f3cc82296c
Signed-off-by: Neale Ranns <nranns@cisco.com>
Diffstat (limited to 'vnet/vnet/map/map.h')
-rw-r--r-- | vnet/vnet/map/map.h | 61 |
1 files changed, 34 insertions, 27 deletions
diff --git a/vnet/vnet/map/map.h b/vnet/vnet/map/map.h index fb532291..b76891b6 100644 --- a/vnet/vnet/map/map.h +++ b/vnet/vnet/map/map.h @@ -17,6 +17,11 @@ #include <vnet/vnet.h> #include <vnet/ip/ip.h> #include <vlib/vlib.h> +#include <vnet/fib/fib_types.h> +#include <vnet/fib/ip4_fib.h> +#include <vnet/adj/adj.h> +#include <vnet/map/map_dpo.h> +#include <vnet/dpo/load_balance.h> #define MAP_SKIP_IP6_LOOKUP 1 @@ -105,6 +110,9 @@ typedef struct u8 ip4_prefix_len; } map_domain_t; +_Static_assert ((sizeof (map_domain_t) <= CLIB_CACHE_LINE_BYTES), + "MAP domain fits in one cacheline"); + #define MAP_REASS_INDEX_NONE ((u16)0xffff) /* @@ -381,16 +389,17 @@ map_get_ip4 (ip6_address_t *addr) * Get the MAP domain from an IPv4 lookup adjacency. */ static_always_inline map_domain_t * -ip4_map_get_domain (u32 adj_index, u32 *map_domain_index) +ip4_map_get_domain (u32 mdi, + u32 *map_domain_index) { map_main_t *mm = &map_main; - ip_lookup_main_t *lm = &ip4_main.lookup_main; - ip_adjacency_t *adj = ip_get_adjacency(lm, adj_index); - ASSERT(adj); - uword *p = (uword *)adj->rewrite_data; - ASSERT(p); - *map_domain_index = p[0]; - return pool_elt_at_index(mm->domains, p[0]); + map_dpo_t *md; + + md = map_dpo_get(mdi); + + ASSERT(md); + *map_domain_index = md->md_domain; + return pool_elt_at_index(mm->domains, *map_domain_index); } /* @@ -399,36 +408,34 @@ ip4_map_get_domain (u32 adj_index, u32 *map_domain_index) * The IPv4 address is used otherwise. */ static_always_inline map_domain_t * -ip6_map_get_domain (u32 adj_index, ip4_address_t *addr, +ip6_map_get_domain (u32 mdi, ip4_address_t *addr, u32 *map_domain_index, u8 *error) { map_main_t *mm = &map_main; - ip4_main_t *im4 = &ip4_main; - ip_lookup_main_t *lm4 = &ip4_main.lookup_main; + map_dpo_t *md; /* * 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 - ip_lookup_main_t *lm6 = &ip6_main.lookup_main; - ip_adjacency_t *adj = ip_get_adjacency(lm6, adj_index); - ASSERT(adj); - uword *p = (uword *)adj->rewrite_data; - ASSERT(p); - *map_domain_index = p[0]; - if (p[0] != ~0) - return pool_elt_at_index(mm->domains, p[0]); -#endif + md = map_dpo_get(mdi); - u32 ai = ip4_fib_lookup_with_table(im4, 0, addr, 0); - ip_adjacency_t *adj4 = ip_get_adjacency (lm4, ai); - if (PREDICT_TRUE(adj4->lookup_next_index == IP_LOOKUP_NEXT_MAP || - adj4->lookup_next_index == IP_LOOKUP_NEXT_MAP_T)) { - uword *p = (uword *)adj4->rewrite_data; - *map_domain_index = p[0]; + ASSERT(md); + *map_domain_index = md->md_domain; + if (*map_domain_index != ~0) return pool_elt_at_index(mm->domains, *map_domain_index); - } +#endif + + 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 || + dpo->dpoi_type == map_t_dpo_type)) + { + md = map_dpo_get(dpo->dpoi_index); + *map_domain_index = md->md_domain; + return pool_elt_at_index(mm->domains, *map_domain_index); + } *error = MAP_ERROR_NO_DOMAIN; return NULL; } |