lookup.h File Reference

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Data Structures
struct	ip_adjacency_t
struct	ip_multipath_next_hop_t
struct	ip_multipath_adjacency_t
struct	ip_multicast_rewrite_t
struct	ip_multicast_rewrite_string_t
struct	ip_multicast_lookup_main_t
struct	ip_interface_address_t
struct	ip_config_main_t
struct	ip_lookup_main_t

Macros
#define	IP4_LOOKUP_NEXT_NODES
#define	IP6_LOOKUP_NEXT_NODES
#define	IP_FLOW_HASH_SRC_ADDR   (1<<0)
#define	IP_FLOW_HASH_DST_ADDR   (1<<1)
#define	IP_FLOW_HASH_PROTO   (1<<2)
#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_DEFAULT   (0x1F)
#define	foreach_flow_hash_bit
#define	IP_LOOKUP_MISS_ADJ_INDEX   0
#define	ip_prefetch_adjacency(lm, adj_index, type)
#define	foreach_ip_interface_address(lm, a, sw_if_index, loop, body)

Typedefs
typedef u32	ip_adjacency_index_t
typedef void(*	ip_add_del_adjacency_callback_t) (struct ip_lookup_main_t *lm, u32 adj_index, ip_adjacency_t *adj, u32 is_del)
typedef struct ip_lookup_main_t	ip_lookup_main_t

Enumerations
enum	ip_lookup_next_t {   IP_LOOKUP_NEXT_MISS, IP_LOOKUP_NEXT_DROP, IP_LOOKUP_NEXT_PUNT, IP_LOOKUP_NEXT_LOCAL,   IP_LOOKUP_NEXT_ARP, IP_LOOKUP_NEXT_REWRITE, IP_LOOKUP_NEXT_CLASSIFY, IP_LOOKUP_NEXT_MAP,   IP_LOOKUP_NEXT_MAP_T, IP_LOOKUP_NEXT_SIXRD, IP_LOOKUP_NEXT_INDIRECT, IP_LOOKUP_NEXT_HOP_BY_HOP,   IP_LOOKUP_NEXT_ADD_HOP_BY_HOP, IP_LOOKUP_NEXT_POP_HOP_BY_HOP, IP_LOOKUP_N_NEXT }
enum	ip_local_next_t {   IP_LOCAL_NEXT_DROP, IP_LOCAL_NEXT_PUNT, IP_LOCAL_NEXT_UDP_LOOKUP, IP_LOCAL_NEXT_ICMP,   IP_LOCAL_N_NEXT }

Functions
static uword	vnet_ip_adjacency_signature (ip_adjacency_t *adj)
static int	vnet_ip_adjacency_share_compare (ip_adjacency_t *a1, ip_adjacency_t *a2)
always_inline ip_adjacency_t *	ip_get_adjacency (ip_lookup_main_t *lm, u32 adj_index)
static void	ip_register_add_del_adjacency_callback (ip_lookup_main_t *lm, ip_add_del_adjacency_callback_t cb)
always_inline void	ip_call_add_del_adjacency_callbacks (ip_lookup_main_t *lm, u32 adj_index, u32 is_del)
ip_adjacency_t *	ip_add_adjacency (ip_lookup_main_t *lm, ip_adjacency_t *adj, u32 n_adj, u32 *adj_index_result)
void	ip_del_adjacency (ip_lookup_main_t *lm, u32 adj_index)
void	ip_update_adjacency (ip_lookup_main_t *lm, u32 adj_index, ip_adjacency_t *copy_adj)
static int	ip_adjacency_is_multipath (ip_lookup_main_t *lm, u32 adj_index)
void	ip_multipath_adjacency_free (ip_lookup_main_t *lm, ip_multipath_adjacency_t *a)
u32	ip_multipath_adjacency_add_del_next_hop (ip_lookup_main_t *lm, u32 is_del, u32 old_mp_adj_index, u32 next_hop_adj_index, u32 next_hop_weight, u32 *new_mp_adj_index)
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)
always_inline ip_interface_address_t *	ip_get_interface_address (ip_lookup_main_t *lm, void *addr_fib)
always_inline void *	ip_interface_address_get_address (ip_lookup_main_t *lm, ip_interface_address_t *a)
always_inline ip_interface_address_t *	ip_interface_address_for_packet (ip_lookup_main_t *lm, vlib_buffer_t *b, u32 sw_if_index)
void	ip_lookup_init (ip_lookup_main_t *lm, u32 ip_lookup_node_index)

Macro Definition Documentation

#define foreach_flow_hash_bit

Value:

_(src, IP_FLOW_HASH_SRC_ADDR)                   \
_(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)

Definition at line 138 of file lookup.h.

#define foreach_ip_interface_address	(		lm,
			a,
			sw_if_index,
			loop,
			body
	)

Value:

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)

Definition at line 534 of file lookup.h.

#define IP4_LOOKUP_NEXT_NODES

Value:

{                                       \
    [IP_LOOKUP_NEXT_MISS] = "ip4-miss",                         \
    [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_REWRITE] = "ip4-rewrite-transit",           \
    [IP_LOOKUP_NEXT_CLASSIFY] = "ip4-classify",                 \
    [IP_LOOKUP_NEXT_MAP] = "ip4-map",                           \
    [IP_LOOKUP_NEXT_MAP_T] = "ip4-map-t",                       \
    [IP_LOOKUP_NEXT_SIXRD] = "ip4-sixrd",                       \
    [IP_LOOKUP_NEXT_HOP_BY_HOP] = "ip4-hop-by-hop",             \
    [IP_LOOKUP_NEXT_ADD_HOP_BY_HOP] = "ip4-add-hop-by-hop",     \
    [IP_LOOKUP_NEXT_POP_HOP_BY_HOP] = "ip4-pop-hop-by-hop",     \
    [IP_LOOKUP_NEXT_INDIRECT] = "ip4-indirect",                 \
}

Definition at line 93 of file lookup.h.

#define IP6_LOOKUP_NEXT_NODES

Value:

{                                       \
    [IP_LOOKUP_NEXT_MISS] = "ip6-miss",                         \
    [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_REWRITE] = "ip6-rewrite",                   \
    [IP_LOOKUP_NEXT_CLASSIFY] = "ip6-classify",                 \
    [IP_LOOKUP_NEXT_MAP] = "ip6-map",                           \
    [IP_LOOKUP_NEXT_MAP_T] = "ip6-map-t",                       \
    [IP_LOOKUP_NEXT_SIXRD] = "ip6-sixrd",                       \
    [IP_LOOKUP_NEXT_HOP_BY_HOP] = "ip6-hop-by-hop",             \
    [IP_LOOKUP_NEXT_ADD_HOP_BY_HOP] = "ip6-add-hop-by-hop",     \
    [IP_LOOKUP_NEXT_POP_HOP_BY_HOP] = "ip6-pop-hop-by-hop",     \
    [IP_LOOKUP_NEXT_INDIRECT] = "ip6-indirect",                 \
}

Definition at line 110 of file lookup.h.

#define IP_FLOW_HASH_DEFAULT   (0x1F)

Definition at line 136 of file lookup.h.

#define IP_FLOW_HASH_DST_ADDR   (1<<1)

Definition at line 129 of file lookup.h.

#define IP_FLOW_HASH_DST_PORT   (1<<4)

Definition at line 132 of file lookup.h.

#define IP_FLOW_HASH_PROTO   (1<<2)

Definition at line 130 of file lookup.h.

#define IP_FLOW_HASH_REVERSE_SRC_DST   (1<<5)

Definition at line 133 of file lookup.h.

#define IP_FLOW_HASH_SRC_ADDR   (1<<0)

Definition at line 128 of file lookup.h.

#define IP_FLOW_HASH_SRC_PORT   (1<<3)

Definition at line 131 of file lookup.h.

#define IP_LOOKUP_MISS_ADJ_INDEX   0

Definition at line 383 of file lookup.h.

#define ip_prefetch_adjacency	(		lm,
			adj_index,
			type
	)

Value:

do {                                                            \
  ip_adjacency_t * _adj = (lm)->adjacency_heap + (adj_index);   \
  CLIB_PREFETCH (_adj, sizeof (_adj[0]), type);                 \
} while (0)

Definition at line 435 of file lookup.h.

Typedef Documentation

typedef void(* ip_add_del_adjacency_callback_t) (struct ip_lookup_main_t *lm, u32 adj_index, ip_adjacency_t *adj, u32 is_del)

Definition at line 337 of file lookup.h.

typedef u32 ip_adjacency_index_t

Definition at line 235 of file lookup.h.

typedef struct ip_lookup_main_t ip_lookup_main_t

Enumeration Type Documentation

enum ip_local_next_t

Enumerator
IP_LOCAL_NEXT_DROP
IP_LOCAL_NEXT_PUNT
IP_LOCAL_NEXT_UDP_LOOKUP
IP_LOCAL_NEXT_ICMP
IP_LOCAL_N_NEXT

Definition at line 327 of file lookup.h.

enum ip_lookup_next_t

Enumerator
IP_LOOKUP_NEXT_MISS
IP_LOOKUP_NEXT_DROP
IP_LOOKUP_NEXT_PUNT
IP_LOOKUP_NEXT_LOCAL
IP_LOOKUP_NEXT_ARP
IP_LOOKUP_NEXT_REWRITE
IP_LOOKUP_NEXT_CLASSIFY
IP_LOOKUP_NEXT_MAP
IP_LOOKUP_NEXT_MAP_T
IP_LOOKUP_NEXT_SIXRD
IP_LOOKUP_NEXT_INDIRECT
IP_LOOKUP_NEXT_HOP_BY_HOP
IP_LOOKUP_NEXT_ADD_HOP_BY_HOP
IP_LOOKUP_NEXT_POP_HOP_BY_HOP
IP_LOOKUP_N_NEXT

Definition at line 49 of file lookup.h.

Function Documentation

ip_adjacency_t* ip_add_adjacency	(	ip_lookup_main_t *	lm,
		ip_adjacency_t *	adj,
		u32	n_adj,
		u32 *	adj_index_result
	)

Definition at line 139 of file lookup.c.

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static int ip_adjacency_is_multipath ( ip_lookup_main_t *  lm, u32  adj_index  )

inlinestatic

Definition at line 472 of file lookup.h.

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always_inline void ip_call_add_del_adjacency_callbacks	(	ip_lookup_main_t *	lm,
		u32	adj_index,
		u32	is_del
	)

Definition at line 449 of file lookup.h.

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void ip_del_adjacency	(	ip_lookup_main_t *	lm,
		u32	adj_index
	)

Definition at line 285 of file lookup.c.

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always_inline ip_adjacency_t* ip_get_adjacency	(	ip_lookup_main_t *	lm,
		u32	adj_index
	)

Definition at line 423 of file lookup.h.

always_inline ip_interface_address_t* ip_get_interface_address	(	ip_lookup_main_t *	lm,
		void *	addr_fib
	)

Definition at line 506 of file lookup.h.

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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
	)

Definition at line 735 of file lookup.c.

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always_inline ip_interface_address_t* ip_interface_address_for_packet	(	ip_lookup_main_t *	lm,
		vlib_buffer_t *	b,
		u32	sw_if_index
	)

Definition at line 517 of file lookup.h.

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always_inline void* ip_interface_address_get_address	(	ip_lookup_main_t *	lm,
		ip_interface_address_t *	a
	)

Definition at line 513 of file lookup.h.

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void ip_lookup_init	(	ip_lookup_main_t *	lm,
		u32	ip_lookup_node_index
	)

Definition at line 841 of file lookup.c.

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u32 ip_multipath_adjacency_add_del_next_hop	(	ip_lookup_main_t *	lm,
		u32	is_del,
		u32	old_mp_adj_index,
		u32	next_hop_adj_index,
		u32	next_hop_weight,
		u32 *	new_mp_adj_index
	)

Definition at line 495 of file lookup.c.

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void ip_multipath_adjacency_free	(	ip_lookup_main_t *	lm,
		ip_multipath_adjacency_t *	a
	)

Definition at line 677 of file lookup.c.

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static void ip_register_add_del_adjacency_callback ( ip_lookup_main_t *  lm, ip_add_del_adjacency_callback_t  cb  )

inlinestatic

Definition at line 442 of file lookup.h.

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void ip_update_adjacency	(	ip_lookup_main_t *	lm,
		u32	adj_index,
		ip_adjacency_t *	copy_adj
	)

Definition at line 234 of file lookup.c.

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static int vnet_ip_adjacency_share_compare ( ip_adjacency_t *  a1, ip_adjacency_t *  a2  )

inlinestatic

Definition at line 221 of file lookup.h.

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static uword vnet_ip_adjacency_signature ( ip_adjacency_t *  adj )

inlinestatic

Definition at line 203 of file lookup.h.

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