diff options
Diffstat (limited to 'src/vnet/ip/lookup.h')
| -rw-r--r-- | src/vnet/ip/lookup.h | 209 |
1 files changed, 1 insertions, 208 deletions
diff --git a/src/vnet/ip/lookup.h b/src/vnet/ip/lookup.h index f76ddb37863..662a1cc0066 100644 --- a/src/vnet/ip/lookup.h +++ b/src/vnet/ip/lookup.h @@ -53,93 +53,9 @@ #include <vnet/ip/ip4_packet.h> #include <vnet/ip/ip6_packet.h> #include <vnet/fib/fib_node.h> +#include <vnet/adj/adj.h> #include <vnet/dpo/dpo.h> #include <vnet/feature/feature.h> -#include <vnet/rewrite.h> - -/** @brief Common (IP4/IP6) next index stored in adjacency. */ -typedef enum -{ - /** Adjacency to drop this packet. */ - IP_LOOKUP_NEXT_DROP, - /** Adjacency to punt this packet. */ - IP_LOOKUP_NEXT_PUNT, - - /** This packet is for one of our own IP addresses. */ - IP_LOOKUP_NEXT_LOCAL, - - /** This packet matches an "incomplete adjacency" and packets - need to be passed to ARP to find rewrite string for - this destination. */ - IP_LOOKUP_NEXT_ARP, - - /** This packet matches an "interface route" and packets - need to be passed to ARP to find rewrite string for - this destination. */ - IP_LOOKUP_NEXT_GLEAN, - - /** This packet is to be rewritten and forwarded to the next - processing node. This is typically the output interface but - might be another node for further output processing. */ - IP_LOOKUP_NEXT_REWRITE, - - /** This packets follow a load-balance */ - IP_LOOKUP_NEXT_LOAD_BALANCE, - - /** This packets follow a mid-chain adjacency */ - IP_LOOKUP_NEXT_MIDCHAIN, - - /** This packets needs to go to ICMP error */ - IP_LOOKUP_NEXT_ICMP_ERROR, - - /** Multicast Adjacency. */ - IP_LOOKUP_NEXT_MCAST, - - IP_LOOKUP_N_NEXT, -} ip_lookup_next_t; - -typedef enum -{ - IP4_LOOKUP_N_NEXT = IP_LOOKUP_N_NEXT, -} ip4_lookup_next_t; - -typedef enum -{ - /* Hop-by-hop header handling */ - IP6_LOOKUP_NEXT_HOP_BY_HOP = IP_LOOKUP_N_NEXT, - IP6_LOOKUP_NEXT_ADD_HOP_BY_HOP, - IP6_LOOKUP_NEXT_POP_HOP_BY_HOP, - IP6_LOOKUP_N_NEXT, -} ip6_lookup_next_t; - -#define IP4_LOOKUP_NEXT_NODES { \ - [IP_LOOKUP_NEXT_DROP] = "ip4-drop", \ - [IP_LOOKUP_NEXT_PUNT] = "ip4-punt", \ - [IP_LOOKUP_NEXT_LOCAL] = "ip4-local", \ - [IP_LOOKUP_NEXT_ARP] = "ip4-arp", \ - [IP_LOOKUP_NEXT_GLEAN] = "ip4-glean", \ - [IP_LOOKUP_NEXT_REWRITE] = "ip4-rewrite", \ - [IP_LOOKUP_NEXT_MCAST] = "ip4-rewrite-mcast", \ - [IP_LOOKUP_NEXT_MIDCHAIN] = "ip4-midchain", \ - [IP_LOOKUP_NEXT_LOAD_BALANCE] = "ip4-load-balance", \ - [IP_LOOKUP_NEXT_ICMP_ERROR] = "ip4-icmp-error", \ -} - -#define IP6_LOOKUP_NEXT_NODES { \ - [IP_LOOKUP_NEXT_DROP] = "ip6-drop", \ - [IP_LOOKUP_NEXT_PUNT] = "ip6-punt", \ - [IP_LOOKUP_NEXT_LOCAL] = "ip6-local", \ - [IP_LOOKUP_NEXT_ARP] = "ip6-discover-neighbor", \ - [IP_LOOKUP_NEXT_GLEAN] = "ip6-glean", \ - [IP_LOOKUP_NEXT_REWRITE] = "ip6-rewrite", \ - [IP_LOOKUP_NEXT_MCAST] = "ip6-rewrite-mcast", \ - [IP_LOOKUP_NEXT_MIDCHAIN] = "ip6-midchain", \ - [IP_LOOKUP_NEXT_LOAD_BALANCE] = "ip6-load-balance", \ - [IP_LOOKUP_NEXT_ICMP_ERROR] = "ip6-icmp-error", \ - [IP6_LOOKUP_NEXT_HOP_BY_HOP] = "ip6-hop-by-hop", \ - [IP6_LOOKUP_NEXT_ADD_HOP_BY_HOP] = "ip6-add-hop-by-hop", \ - [IP6_LOOKUP_NEXT_POP_HOP_BY_HOP] = "ip6-pop-hop-by-hop", \ -} /** Flow hash configuration */ #define IP_FLOW_HASH_SRC_ADDR (1<<0) @@ -165,129 +81,6 @@ _(reverse, IP_FLOW_HASH_REVERSE_SRC_DST) */ typedef u32 flow_hash_config_t; -/** - * Forward delcartion - */ -struct ip_adjacency_t_; - -/** - * @brief A function type for post-rewrite fixups on midchain adjacency - */ -typedef void (*adj_midchain_fixup_t) (vlib_main_t * vm, - struct ip_adjacency_t_ * adj, - vlib_buffer_t * b0); - -/** - * @brief Flags on an IP adjacency - */ -typedef enum ip_adjacency_flags_t_ -{ - /** - * Currently a sync walk is active. Used to prevent re-entrant walking - */ - IP_ADJ_SYNC_WALK_ACTIVE = (1 << 0), -} ip_adjacency_flags_t; - -/** @brief IP unicast adjacency. - @note cache aligned. -*/ -typedef struct ip_adjacency_t_ -{ - CLIB_CACHE_LINE_ALIGN_MARK (cacheline0); - - /** Number of adjecencies in block. Greater than 1 means multipath; - otherwise equal to 1. */ - u16 n_adj; - - /** Next hop after ip4-lookup. */ - union - { - ip_lookup_next_t lookup_next_index:16; - u16 lookup_next_index_as_int; - }; - - /** Interface address index for this local/arp adjacency. */ - u32 if_address_index; - - /* - * link/ether-type - */ - vnet_link_t ia_link; - u8 ia_nh_proto; - - union - { - /** - * IP_LOOKUP_NEXT_ARP/IP_LOOKUP_NEXT_REWRITE - * - * neighbour adjacency sub-type; - */ - struct - { - ip46_address_t next_hop; - } nbr; - /** - * IP_LOOKUP_NEXT_MIDCHAIN - * - * A nbr adj that is also recursive. Think tunnels. - * A nbr adj can transition to be of type MDICHAIN - * so be sure to leave the two structs with the next_hop - * fields aligned. - */ - struct - { - /** - * The recursive next-hop - */ - ip46_address_t next_hop; - /** - * The node index of the tunnel's post rewrite/TX function. - */ - u32 tx_function_node; - /** - * The next DPO to use - */ - dpo_id_t next_dpo; - /** - * A function to perform the post-rewrite fixup - */ - adj_midchain_fixup_t fixup_func; - } midchain; - /** - * IP_LOOKUP_NEXT_GLEAN - * - * Glean the address to ARP for from the packet's destination - */ - struct - { - ip46_address_t receive_addr; - } glean; - } sub_type; - - CLIB_CACHE_LINE_ALIGN_MARK (cacheline1); - - /* Rewrite in second/third cache lines */ - vnet_declare_rewrite (VLIB_BUFFER_PRE_DATA_SIZE); - - /* - * member not accessed in the data plane are relgated to the - * remaining cachelines - */ - fib_node_t ia_node; - - /** - * Flags on the adjacency - */ - ip_adjacency_flags_t ia_flags; - -} ip_adjacency_t; - -STATIC_ASSERT ((STRUCT_OFFSET_OF (ip_adjacency_t, cacheline0) == 0), - "IP adjacency cachline 0 is not offset"); -STATIC_ASSERT ((STRUCT_OFFSET_OF (ip_adjacency_t, cacheline1) == - CLIB_CACHE_LINE_BYTES), - "IP adjacency cachline 1 is more than one cachline size offset"); - /* An all zeros address */ extern const ip46_address_t zero_addr; |