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Vector Packet Processing
ip4_fib.h File Reference
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Functions

fib_node_index_t ip4_fib_table_lookup (const ip4_fib_t *fib, const ip4_address_t *addr, u32 len)
 The IPv4 FIB. More...
 
fib_node_index_t ip4_fib_table_lookup_exact_match (const ip4_fib_t *fib, const ip4_address_t *addr, u32 len)
 
void ip4_fib_table_entry_remove (ip4_fib_t *fib, const ip4_address_t *addr, u32 len)
 
void ip4_fib_table_entry_insert (ip4_fib_t *fib, const ip4_address_t *addr, u32 len, fib_node_index_t fib_entry_index)
 
void ip4_fib_table_destroy (ip4_fib_t *fib)
 
void ip4_fib_table_fwding_dpo_update (ip4_fib_t *fib, const ip4_address_t *addr, u32 len, const dpo_id_t *dpo)
 
void ip4_fib_table_fwding_dpo_remove (ip4_fib_t *fib, const ip4_address_t *addr, u32 len, const dpo_id_t *dpo)
 
u32 ip4_fib_table_lookup_lb (ip4_fib_t *fib, const ip4_address_t *dst)
 
static ip4_fib_tip4_fib_get (u32 index)
 Get the FIB at the given index. More...
 
static u32 ip4_fib_lookup (ip4_main_t *im, u32 sw_if_index, ip4_address_t *dst)
 
u32 ip4_fib_table_find_or_create_and_lock (u32 table_id)
 Get or create an IPv4 fib. More...
 
u32 ip4_fib_table_create_and_lock (void)
 
static u32 ip4_fib_index_from_table_id (u32 table_id)
 
u32 ip4_fib_table_get_index_for_sw_if_index (u32 sw_if_index)
 
flow_hash_config_t ip4_fib_table_get_flow_hash_config (u32 fib_index)
 
static index_t ip4_fib_forwarding_lookup (u32 fib_index, const ip4_address_t *addr)
 

Function Documentation

static index_t ip4_fib_forwarding_lookup ( u32  fib_index,
const ip4_address_t addr 
)
inlinestatic

Definition at line 119 of file ip4_fib.h.

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static ip4_fib_t* ip4_fib_get ( u32  index)
inlinestatic

Get the FIB at the given index.

Definition at line 71 of file ip4_fib.h.

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static u32 ip4_fib_index_from_table_id ( u32  table_id)
inlinestatic

Definition at line 101 of file ip4_fib.h.

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static u32 ip4_fib_lookup ( ip4_main_t im,
u32  sw_if_index,
ip4_address_t dst 
)
inlinestatic

Definition at line 77 of file ip4_fib.h.

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u32 ip4_fib_table_create_and_lock ( void  )

Definition at line 206 of file ip4_fib.c.

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void ip4_fib_table_destroy ( ip4_fib_t fib)

Definition at line 154 of file ip4_fib.c.

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void ip4_fib_table_entry_insert ( ip4_fib_t fib,
const ip4_address_t addr,
u32  len,
fib_node_index_t  fib_entry_index 
)

Definition at line 308 of file ip4_fib.c.

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void ip4_fib_table_entry_remove ( ip4_fib_t fib,
const ip4_address_t addr,
u32  len 
)

Definition at line 338 of file ip4_fib.c.

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u32 ip4_fib_table_find_or_create_and_lock ( u32  table_id)

Get or create an IPv4 fib.

Get or create an IPv4 fib with the provided table ID.

Parameters
table_idWhen set to ~0, an arbitrary and unused fib ID is picked and can be retrieved with ret->table_id. Otherwise, the fib ID to be used to retrieve or create the desired fib.
Returns
A pointer to the retrieved or created fib.

Definition at line 192 of file ip4_fib.c.

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void ip4_fib_table_fwding_dpo_remove ( ip4_fib_t fib,
const ip4_address_t addr,
u32  len,
const dpo_id_t dpo 
)

Definition at line 373 of file ip4_fib.c.

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void ip4_fib_table_fwding_dpo_update ( ip4_fib_t fib,
const ip4_address_t addr,
u32  len,
const dpo_id_t dpo 
)

Definition at line 364 of file ip4_fib.c.

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flow_hash_config_t ip4_fib_table_get_flow_hash_config ( u32  fib_index)

Definition at line 226 of file ip4_fib.c.

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u32 ip4_fib_table_get_index_for_sw_if_index ( u32  sw_if_index)

Definition at line 212 of file ip4_fib.c.

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fib_node_index_t ip4_fib_table_lookup ( const ip4_fib_t fib,
const ip4_address_t addr,
u32  len 
)

The IPv4 FIB.

FIBs are composed of two prefix data-bases (akak tables). The non-forwarding table contains all the routes that the control plane has programmed, the forwarding table contains the sub-set of those routes that can be used to forward packets. In the IPv4 FIB the non-forwarding table is an array of hash tables indexed by mask length, the forwarding table is an mtrie

This IPv4 FIB is used by the protocol independent FIB. So directly using this APIs in client code is not encouraged. However, this IPv4 FIB can be used if all the client wants is an IPv4 prefix data-base

Definition at line 285 of file ip4_fib.c.

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fib_node_index_t ip4_fib_table_lookup_exact_match ( const ip4_fib_t fib,
const ip4_address_t addr,
u32  len 
)

Definition at line 237 of file ip4_fib.c.

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u32 ip4_fib_table_lookup_lb ( ip4_fib_t fib,
const ip4_address_t dst 
)

Definition at line 261 of file ip4_fib.c.

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