X-Git-Url: https://gerrit.fd.io/r/gitweb?p=vpp.git;a=blobdiff_plain;f=src%2Fvnet%2Fip%2Flookup.h;h=49ed0bbd3ef13e58b9b844e5425f8c0031460970;hp=ecabd817a00b10291b9a5300ff48d33c81a9bb6f;hb=59f71132e;hpb=3a0325f9cab7838c21b19698b89cfc65e3236085 diff --git a/src/vnet/ip/lookup.h b/src/vnet/ip/lookup.h index ecabd817a00..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 { @@ -96,8 +121,8 @@ typedef struct /* 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. */ @@ -111,6 +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; @@ -128,6 +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; @@ -153,74 +185,21 @@ typedef struct ip_lookup_main_t u8 builtin_protocol_by_ip_protocol[256]; } ip_lookup_main_t; -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) -{ - 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; -} - -always_inline void * -ip_interface_address_get_address (ip_lookup_main_t * lm, - ip_interface_address_t * a) -{ - return mhash_key_to_mem (&lm->address_to_if_address_index, a->address_key); -} - -/* *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 (_swif->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED) \ - { \ - if (loop) \ - _sw_if_index = _swif->unnumbered_sw_if_index; \ - else \ - /* the interface is unnumbered, by the caller does not want \ - * unnumbered interfaces considered/honoured */ \ - break; \ - } \ - 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* */ always_inline void ip_lookup_set_buffer_fib_index (u32 * fib_index_by_sw_if_index, vlib_buffer_t * b) { + /* *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]; + ((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* */ } typedef struct _vnet_ip_container_proxy_args @@ -233,10 +212,13 @@ typedef struct _vnet_ip_container_proxy_args clib_error_t *vnet_ip_container_proxy_add_del (vnet_ip_container_proxy_args_t * args); +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 *