X-Git-Url: https://gerrit.fd.io/r/gitweb?p=vpp.git;a=blobdiff_plain;f=src%2Fvnet%2Fip%2Flookup.h;h=49ed0bbd3ef13e58b9b844e5425f8c0031460970;hp=662a1cc006671d863dcfe51a4ebac76ef9699714;hb=59f71132e;hpb=fa5d19829759cef45cc34efe844d9471f5a1fc61 diff --git a/src/vnet/ip/lookup.h b/src/vnet/ip/lookup.h index 662a1cc0066..49ed0bbd3ef 100644 --- a/src/vnet/ip/lookup.h +++ b/src/vnet/ip/lookup.h @@ -64,6 +64,7 @@ #define IP_FLOW_HASH_SRC_PORT (1<<3) #define IP_FLOW_HASH_DST_PORT (1<<4) #define IP_FLOW_HASH_REVERSE_SRC_DST (1<<5) +#define IP_FLOW_HASH_SYMMETRIC (1<<6) /** Default: 5-tuple without the "reverse" bit */ #define IP_FLOW_HASH_DEFAULT (0x1F) @@ -74,7 +75,8 @@ _(dst, IP_FLOW_HASH_DST_ADDR) \ _(sport, IP_FLOW_HASH_SRC_PORT) \ _(dport, IP_FLOW_HASH_DST_PORT) \ _(proto, IP_FLOW_HASH_PROTO) \ -_(reverse, IP_FLOW_HASH_REVERSE_SRC_DST) +_(reverse, IP_FLOW_HASH_REVERSE_SRC_DST) \ +_(symmetric, IP_FLOW_HASH_SYMMETRIC) /** * A flow hash configuration is a mask of the flow hash options @@ -84,6 +86,29 @@ typedef u32 flow_hash_config_t; /* An all zeros address */ extern const ip46_address_t zero_addr; +typedef enum ip_interface_address_flags_t_ +{ + IP_INTERFACE_ADDRESS_FLAG_STALE = (1 << 0), +} __clib_packed ip_interface_address_flags_t; + +typedef struct +{ + fib_prefix_t prefix; + + u32 sw_if_index; +} ip_interface_prefix_key_t; + +typedef struct +{ + /* key - prefix and sw_if_index */ + ip_interface_prefix_key_t key; + + /* number of addresses in this prefix on the interface */ + u16 ref_count; + + /* index of the interface address used as a default source address */ + u32 src_ia_index; +} ip_interface_prefix_t; typedef struct { @@ -93,14 +118,11 @@ typedef struct /* Interface which has this address. */ u32 sw_if_index; - /* Adjacency for neighbor probe (ARP) for this interface address. */ - u32 neighbor_probe_adj_index; - /* Address (prefix) length for this interface. */ u16 address_length; - /* Will be used for something eventually. Primary vs. secondary? */ - u16 flags; + /* flags relating to this prefix */ + ip_interface_address_flags_t flags; /* Next and previous pointers for doubly linked list of addresses per software interface. */ @@ -114,6 +136,7 @@ typedef enum IP_LOCAL_NEXT_PUNT, IP_LOCAL_NEXT_UDP_LOOKUP, IP_LOCAL_NEXT_ICMP, + IP_LOCAL_NEXT_REASSEMBLY, IP_LOCAL_N_NEXT, } ip_local_next_t; @@ -121,12 +144,6 @@ struct ip_lookup_main_t; typedef struct ip_lookup_main_t { - /* Adjacency heap. */ - ip_adjacency_t *adjacency_heap; - - /** load-balance packet/byte counters indexed by LB index. */ - vlib_combined_counter_main_t load_balance_counters; - /** Pool of addresses that are assigned to interfaces. */ ip_interface_address_t *if_address_pool; @@ -137,6 +154,12 @@ typedef struct ip_lookup_main_t ~0 means this interface has no address. */ u32 *if_address_pool_index_by_sw_if_index; + /** Pool of prefixes containing addresses assigned to interfaces */ + ip_interface_prefix_t *if_prefix_pool; + + /** Hash table mapping prefix to index in interface prefix pool */ + mhash_t prefix_to_if_prefix_index; + /** First table index to use for this interface, ~0 => none */ u32 *classify_table_index_by_sw_if_index; @@ -149,17 +172,12 @@ typedef struct ip_lookup_main_t sizeof (uword). First word is always adjacency index. */ u32 fib_result_n_bytes, fib_result_n_words; - format_function_t *format_fib_result; - /** 1 for ip6; 0 for ip4. */ u32 is_ip6; /** Either format_ip4_address_and_length or format_ip6_address_and_length. */ format_function_t *format_address_and_length; - /** Special adjacency format functions */ - format_function_t **special_adjacency_format_functions; - /** Table mapping ip protocol to ip[46]-local node next index. */ u8 local_next_by_ip_protocol[256]; @@ -167,79 +185,40 @@ typedef struct ip_lookup_main_t u8 builtin_protocol_by_ip_protocol[256]; } ip_lookup_main_t; -always_inline ip_adjacency_t * -ip_get_adjacency (ip_lookup_main_t * lm, u32 adj_index) -{ - ip_adjacency_t *adj; - - adj = vec_elt_at_index (lm->adjacency_heap, adj_index); - - return adj; -} - -#define ip_prefetch_adjacency(lm,adj_index,type) \ -do { \ - ip_adjacency_t * _adj = (lm)->adjacency_heap + (adj_index); \ - CLIB_PREFETCH (_adj, sizeof (_adj[0]), type); \ -} while (0) - -clib_error_t *ip_interface_address_add_del (ip_lookup_main_t * lm, - u32 sw_if_index, - void *address, - u32 address_length, - u32 is_del, u32 * result_index); - u8 *format_ip_flow_hash_config (u8 * s, va_list * args); -always_inline ip_interface_address_t * -ip_get_interface_address (ip_lookup_main_t * lm, void *addr_fib) + +always_inline void +ip_lookup_set_buffer_fib_index (u32 * fib_index_by_sw_if_index, + vlib_buffer_t * b) { - uword *p = mhash_get (&lm->address_to_if_address_index, addr_fib); - return p ? pool_elt_at_index (lm->if_address_pool, p[0]) : 0; + /* *INDENT-OFF* */ + vnet_buffer (b)->ip.fib_index = + vec_elt (fib_index_by_sw_if_index, vnet_buffer (b)->sw_if_index[VLIB_RX]); + vnet_buffer (b)->ip.fib_index = + ((vnet_buffer (b)->sw_if_index[VLIB_TX] == (u32) ~ 0) ? + vnet_buffer (b)->ip.fib_index : + vnet_buffer (b)->sw_if_index[VLIB_TX]); + /* *INDENT-ON* */ } -u32 fib_table_id_find_fib_index (fib_protocol_t proto, u32 table_id); - -always_inline void * -ip_interface_address_get_address (ip_lookup_main_t * lm, - ip_interface_address_t * a) +typedef struct _vnet_ip_container_proxy_args { - return mhash_key_to_mem (&lm->address_to_if_address_index, a->address_key); -} + fib_prefix_t prefix; + u32 sw_if_index; + u8 is_add; +} vnet_ip_container_proxy_args_t; + +clib_error_t *vnet_ip_container_proxy_add_del (vnet_ip_container_proxy_args_t + * args); -/* *INDENT-OFF* */ -#define foreach_ip_interface_address(lm,a,sw_if_index,loop,body) \ -do { \ - vnet_main_t *_vnm = vnet_get_main(); \ - u32 _sw_if_index = sw_if_index; \ - vnet_sw_interface_t *_swif; \ - _swif = vnet_get_sw_interface (_vnm, _sw_if_index); \ - \ - /* \ - * Loop => honor unnumbered interface addressing. \ - */ \ - if (loop && _swif->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED) \ - _sw_if_index = _swif->unnumbered_sw_if_index; \ - u32 _ia = \ - (vec_len((lm)->if_address_pool_index_by_sw_if_index) \ - > (_sw_if_index)) \ - ? vec_elt ((lm)->if_address_pool_index_by_sw_if_index, \ - (_sw_if_index)) : (u32)~0; \ - ip_interface_address_t * _a; \ - while (_ia != ~0) \ - { \ - _a = pool_elt_at_index ((lm)->if_address_pool, _ia); \ - _ia = _a->next_this_sw_interface; \ - (a) = _a; \ - body; \ - } \ -} while (0) -/* *INDENT-ON* */ +typedef int (*ip_container_proxy_cb_t) (const fib_prefix_t * pfx, + u32 sw_if_index, void *ctx); +void ip_container_proxy_walk (ip_container_proxy_cb_t cb, void *ctx); void ip_lookup_init (ip_lookup_main_t * lm, u32 ip_lookup_node_index); #endif /* included_ip_lookup_h */ - /* * fd.io coding-style-patch-verification: ON *