fib_path_t_ Struct Reference

A FIB path. More...

Collaboration diagram for fib_path_t_:

Public Member Functions
	STRUCT_MARK (path_hash_start)
	This marks the start of the memory area used to hash the path. More...
	STRUCT_MARK (path_hash_end)

Data Fields
fib_node_t	fp_node
	A path is a node in the FIB graph. More...
u32	fp_pl_index
	The index of the path-list to which this path belongs. More...
fib_path_cfg_flags_t	fp_cfg_flags
	Configuration Flags. More...
fib_path_type_t	fp_type
	The type of the path. More...
dpo_proto_t	fp_nh_proto
	The protocol of the next-hop, i.e. More...
u8	fp_weight
	UCMP [unnormalised] weigth. More...
u8	fp_preference
	A path preference. More...
union {
struct {
ip46_address_t   fp_nh
	The next-hop. More...
u32   fp_interface
	The interface. More...
}   attached_next_hop
struct {
u32   fp_interface
	The interface. More...
}   attached
struct {
union {
ip46_address_t   fp_ip
	The next-hop. More...
struct {
mpls_label_t   fp_local_label
	The local label to resolve through. More...
mpls_eos_bit_t   fp_eos
	The EOS bit of the resolving label. More...
}
}   fp_nh
union {
fib_node_index_t   fp_tbl_id
	The FIB table index in which to find the next-hop. More...
index_t   fp_bier_fib
	The BIER FIB the fmask is in. More...
}
}   recursive
struct {
index_t   fp_bier_fmask
	BIER FMask ID. More...
}   bier_fmask
struct {
bier_table_id_t   fp_bier_tbl
	The BIER table's ID. More...
}   bier_table
struct {
index_t   fp_bier_imp
	The BIER imposition object this is part of the path's key, since the index_t of an imposition object is the object's key. More...
}   bier_imp
struct {
fib_node_index_t   fp_tbl_id
	The FIB index in which to perfom the next lookup. More...
fib_rpf_id_t   fp_rpf_id
	The RPF-ID to tag the packets with. More...
}   deag
struct {
}   special
struct {
dpo_id_t   fp_ex_dpo
	The user provided 'exclusive' DPO. More...
}   exclusive
struct {
u32   fp_interface
	The interface on which the local address is configured. More...
ip46_address_t   fp_addr
	The next-hop. More...
}   receive
struct {
u32   fp_interface
	The interface on which the packets will be input. More...
}   intf_rx
struct {
u32   fp_udp_encap_id
	The UDP Encap object this path resolves through. More...
}   udp_encap
};
	per-type union of the data required to resolve the path More...
fib_path_oper_flags_t	fp_oper_flags
	Memebers in this last section represent information that is dervied during resolution. More...
union {
fib_node_index_t   fp_via_fib
	the resolving via fib. More...
index_t   fp_via_bier_tbl
	the resolving bier-table More...
index_t   fp_via_bier_fmask
	the resolving bier-fmask More...
};
dpo_id_t	fp_dpo
	The Data-path objects through which this path resolves for IP. More...
u32	fp_sibling
	the index of this path in the parent's child list. More...

Detailed Description

A FIB path.

Definition at line 193 of file fib_path.c.

Member Function Documentation

fib_path_t_::STRUCT_MARK

(

path_hash_start

)

This marks the start of the memory area used to hash the path.

fib_path_t_::STRUCT_MARK

(

path_hash_end

)

Field Documentation

union { ... }

per-type union of the data required to resolve the path

union { ... }

struct { ... } fib_path_t_::attached

struct { ... } fib_path_t_::attached_next_hop

struct { ... } fib_path_t_::bier_fmask

struct { ... } fib_path_t_::bier_imp

struct { ... } fib_path_t_::bier_table

struct { ... } fib_path_t_::deag

struct { ... } fib_path_t_::exclusive

ip46_address_t fib_path_t_::fp_addr

The next-hop.

Definition at line 334 of file fib_path.c.

index_t fib_path_t_::fp_bier_fib

The BIER FIB the fmask is in.

Definition at line 285 of file fib_path.c.

index_t fib_path_t_::fp_bier_fmask

BIER FMask ID.

Definition at line 292 of file fib_path.c.

index_t fib_path_t_::fp_bier_imp

The BIER imposition object this is part of the path's key, since the index_t of an imposition object is the object's key.

Definition at line 306 of file fib_path.c.

bier_table_id_t fib_path_t_::fp_bier_tbl

The BIER table's ID.

Definition at line 298 of file fib_path.c.

fib_path_cfg_flags_t fib_path_t_::fp_cfg_flags

Configuration Flags.

Definition at line 213 of file fib_path.c.

dpo_id_t fib_path_t_::fp_dpo

The Data-path objects through which this path resolves for IP.

Definition at line 381 of file fib_path.c.

mpls_eos_bit_t fib_path_t_::fp_eos

The EOS bit of the resolving label.

Definition at line 274 of file fib_path.c.

dpo_id_t fib_path_t_::fp_ex_dpo

The user provided 'exclusive' DPO.

Definition at line 324 of file fib_path.c.

u32 fib_path_t_::fp_interface

The interface.

The interface on which the packets will be input.

The interface on which the local address is configured.

Definition at line 251 of file fib_path.c.

ip46_address_t fib_path_t_::fp_ip

The next-hop.

Definition at line 265 of file fib_path.c.

mpls_label_t fib_path_t_::fp_local_label

The local label to resolve through.

Definition at line 270 of file fib_path.c.

ip46_address_t fib_path_t_::fp_nh

The next-hop.

Definition at line 247 of file fib_path.c.

union { ... } fib_path_t_::fp_nh

dpo_proto_t fib_path_t_::fp_nh_proto

The protocol of the next-hop, i.e.

the address family of the next-hop's address. We can't derive this from the address itself since the address can be all zeros

Definition at line 225 of file fib_path.c.

fib_node_t fib_path_t_::fp_node

A path is a node in the FIB graph.

Definition at line 197 of file fib_path.c.

fib_path_oper_flags_t fib_path_t_::fp_oper_flags

Memebers in this last section represent information that is dervied during resolution.

It should not be copied to new paths nor compared. Operational Flags

Definition at line 360 of file fib_path.c.

u32 fib_path_t_::fp_pl_index

The index of the path-list to which this path belongs.

Definition at line 202 of file fib_path.c.

u8 fib_path_t_::fp_preference

A path preference.

0 is the best. Only paths of the best preference, that are 'up', are considered for forwarding.

Definition at line 237 of file fib_path.c.

fib_rpf_id_t fib_path_t_::fp_rpf_id

The RPF-ID to tag the packets with.

Definition at line 316 of file fib_path.c.

u32 fib_path_t_::fp_sibling

the index of this path in the parent's child list.

Definition at line 386 of file fib_path.c.

fib_node_index_t fib_path_t_::fp_tbl_id

The FIB table index in which to find the next-hop.

The FIB index in which to perfom the next lookup.

Definition at line 281 of file fib_path.c.

fib_path_type_t fib_path_t_::fp_type

The type of the path.

This is the selector for the union

Definition at line 218 of file fib_path.c.

u32 fib_path_t_::fp_udp_encap_id

The UDP Encap object this path resolves through.

Definition at line 346 of file fib_path.c.

index_t fib_path_t_::fp_via_bier_fmask

the resolving bier-fmask

Definition at line 375 of file fib_path.c.

index_t fib_path_t_::fp_via_bier_tbl

the resolving bier-table

Definition at line 371 of file fib_path.c.

fib_node_index_t fib_path_t_::fp_via_fib

the resolving via fib.

not part of the union, since it it not part of the path's hash.

Definition at line 367 of file fib_path.c.

u8 fib_path_t_::fp_weight

UCMP [unnormalised] weigth.

Definition at line 230 of file fib_path.c.

struct { ... } fib_path_t_::intf_rx

struct { ... } fib_path_t_::receive

struct { ... } fib_path_t_::recursive

struct { ... } fib_path_t_::special

struct { ... } fib_path_t_::udp_encap

---

The documentation for this struct was generated from the following file:

• src/vnet/fib/fib_path.c