Include dependency graph for ip6_mfib.c:

Data Structures
struct	ip6_mfib_special_t_

struct	ip6_mfib_show_ctx_t_

struct	ip6_mfib_walk_ctx_t_
	Context when walking the IPv6 table. More...

Macros
#define	FOR_EACH_IP6_SPECIAL(_pfx, _body)

#define	IPV6_MFIB_GRP_LEN(_len) (_len > 128 ? 128 : _len)

#define	IP6_MFIB_MK_KEY(_mfib, _grp, _src, _len, _key)

Typedefs
typedef clib_bihash_kv_40_8_t	ip6_mfib_key_t
	Key and mask for radix. More...

typedef enum ip6_mfib_special_type_t_	ip6_mfib_special_type_t

typedef struct ip6_mfib_special_t_	ip6_mfib_special_t

typedef struct ip6_mfib_show_ctx_t_	ip6_mfib_show_ctx_t

typedef struct ip6_mfib_walk_ctx_t_	ip6_mfib_walk_ctx_t
	Context when walking the IPv6 table. More...

Enumerations
enum	ip6_mfib_special_type_t_ { IP6_MFIB_SPECIAL_TYPE_NONE, IP6_MFIB_SPECIAL_TYPE_SOLICITED }

Functions
static u32	ip6_create_mfib_with_table_id (u32 table_id, mfib_source_t src)

void	ip6_mfib_table_destroy (ip6_mfib_t *mfib)

void	ip6_mfib_interface_enable_disable (u32 sw_if_index, int is_enable)
	Add/remove the interface from the accepting list of the special MFIB entries. More...

u32	ip6_mfib_table_find_or_create_and_lock (u32 table_id, mfib_source_t src)
	Get or create an IPv4 fib. More...

u32	ip6_mfib_table_get_index_for_sw_if_index (u32 sw_if_index)

fib_node_index_t	ip6_mfib_table_lookup_exact_match (const ip6_mfib_t mfib, const ip6_address_t grp, const ip6_address_t *src, u32 len)

fib_node_index_t	ip6_mfib_table_fwd_lookup (const ip6_mfib_t mfib, const ip6_address_t src, const ip6_address_t *grp)

fib_node_index_t	ip6_mfib_table_get_less_specific (const ip6_mfib_t mfib, const ip6_address_t src, const ip6_address_t *grp, u32 len)

fib_node_index_t	ip6_mfib_table_lookup (const ip6_mfib_t mfib, const ip6_address_t src, const ip6_address_t *grp, u32 len)
	The IPv4 Multicast-FIB. More...

static void	compute_prefix_lengths_in_search_order (ip6_mfib_table_instance_t *table)

void	ip6_mfib_table_entry_insert (ip6_mfib_t mfib, const ip6_address_t grp, const ip6_address_t *src, u32 len, fib_node_index_t mfib_entry_index)

void	ip6_mfib_table_entry_remove (ip6_mfib_t mfib, const ip6_address_t grp, const ip6_address_t *src, u32 len)

static clib_error_t *	ip6_mfib_module_init (vlib_main_t *vm)

u8 *	format_ip6_mfib_table_memory (u8 s, va_list args)
	format (display) ipv6 MFIB mempry usage More...

static void	ip6_mfib_table_show_one (ip6_mfib_t mfib, vlib_main_t vm, ip6_address_t src, ip6_address_t grp, u32 mask_len, u32 cover)

static int	ip6_mfib_table_collect_entries (fib_node_index_t mfei, void *arg)

static void	ip6_mfib_table_show_all (ip6_mfib_t mfib, vlib_main_t vm)

static int	ip6_mfib_walk_cb (clib_bihash_kv_40_8_t kvp, void arg)

void	ip6_mfib_table_walk (ip6_mfib_t mfib, mfib_table_walk_fn_t fn, void arg)
	Walk the IP6 mfib table. More...

static clib_error_t *	ip6_show_mfib (vlib_main_t vm, unformat_input_t input, vlib_cli_command_t *cmd)

Variables
static const mfib_prefix_t	all_zeros

static const ip6_mfib_special_t	ip6_mfib_specials []

static vlib_cli_command_t	ip6_show_fib_command
	(constructor) VLIB_CLI_COMMAND (ip6_show_fib_command) More...

Macro Definition Documentation

#define FOR_EACH_IP6_SPECIAL	(	_pfx,
		_body
	)

Value:

{                                                                       \
    const ip6_mfib_special_t *_spec;                                    \
    u8 _ii;                                                             \
    for (_ii = 0;                                                       \
         _ii < ARRAY_LEN(ip6_mfib_specials);                            \
         _ii++)                                                         \
    {                                                                   \
        _spec = &ip6_mfib_specials[_ii];                                \
        if (IP6_MFIB_SPECIAL_TYPE_SOLICITED == _spec->ims_type)         \
        {                                                               \
            ip6_set_solicited_node_multicast_address(                   \
                &(_pfx)->fp_grp_addr.ip6, 0);                           \
        }                                                               \
        else                                                            \
        {                                                               \
            ip6_set_reserved_multicast_address (                        \
                &(_pfx)->fp_grp_addr.ip6,                               \
                _spec->ims_scope,                                       \
                _spec->ims_byte);                                       \
        }                                                               \
        (_pfx)->fp_len = _spec->ims_len;                                \
        do { _body; } while (0);                                        \
    }                                                                   \
}

Definition at line 104 of file ip6_mfib.c.

#define IP6_MFIB_MK_KEY	(	_mfib,
		_grp,
		_src,
		_len,
		_key
	)

Value:

{                                                                       \
    _key.key[0] = (_grp->as_u64[0] &                                    \
                   ip6_main.fib_masks[IPV6_MFIB_GRP_LEN(_len)].as_u64[0]); \
    _key.key[1] = (_grp->as_u64[1] &                                    \
                   ip6_main.fib_masks[IPV6_MFIB_GRP_LEN(_len)].as_u64[1]); \
    if (_len == 256) {                                                  \
        _key.key[2] = _src->as_u64[0];                                  \
        _key.key[3] = _src->as_u64[1];                                  \
    } else {                                                            \
        _key.key[2] = 0;                                                \
        _key.key[3] = 0;                                                \
    }                                                                   \
    _key.key[4] = _mfib->index;                                         \
    _key.key[4] = (_key.key[4] << 32) | len;                            \
}

Definition at line 303 of file ip6_mfib.c.

#define IPV6_MFIB_GRP_LEN ( _len ) (_len > 128 ? 128 : _len)

Definition at line 300 of file ip6_mfib.c.

Typedef Documentation

typedef clib_bihash_kv_40_8_t ip6_mfib_key_t

Key and mask for radix.

Definition at line 25 of file ip6_mfib.c.

typedef struct ip6_mfib_show_ctx_t_ ip6_mfib_show_ctx_t

typedef struct ip6_mfib_special_t_ ip6_mfib_special_t

typedef enum ip6_mfib_special_type_t_ ip6_mfib_special_type_t

typedef struct ip6_mfib_walk_ctx_t_ ip6_mfib_walk_ctx_t

Context when walking the IPv6 table.

Since all VRFs are in the same hash table, we need to filter only those we need as we walk

Enumeration Type Documentation

enum ip6_mfib_special_type_t_

Enumerator
IP6_MFIB_SPECIAL_TYPE_NONE
IP6_MFIB_SPECIAL_TYPE_SOLICITED

Definition at line 39 of file ip6_mfib.c.

Function Documentation

static void compute_prefix_lengths_in_search_order ( ip6_mfib_table_instance_t * table )

static

Definition at line 453 of file ip6_mfib.c.

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u8* format_ip6_mfib_table_memory	(	u8 *	s,
		va_list *	args
	)

format (display) ipv6 MFIB mempry usage

Definition at line 522 of file ip6_mfib.c.

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static u32 ip6_create_mfib_with_table_id	(	u32	table_id,
		mfib_source_t	src
	)

static

Definition at line 132 of file ip6_mfib.c.

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void ip6_mfib_interface_enable_disable	(	u32	sw_if_index,
		int	is_enable
	)

Add/remove the interface from the accepting list of the special MFIB entries.

Definition at line 232 of file ip6_mfib.c.

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static clib_error_t* ip6_mfib_module_init ( vlib_main_t * vm )

static

Definition at line 514 of file ip6_mfib.c.

static int ip6_mfib_table_collect_entries	(	fib_node_index_t	mfei,
		void *	arg
	)

static

Definition at line 561 of file ip6_mfib.c.

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void ip6_mfib_table_destroy ( ip6_mfib_t * mfib )

Definition at line 191 of file ip6_mfib.c.

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void ip6_mfib_table_entry_insert	(	ip6_mfib_t *	mfib,
		const ip6_address_t *	grp,
		const ip6_address_t *	src,
		u32	len,
		fib_node_index_t	mfib_entry_index
	)

Definition at line 465 of file ip6_mfib.c.

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void ip6_mfib_table_entry_remove	(	ip6_mfib_t *	mfib,
		const ip6_address_t *	grp,
		const ip6_address_t *	src,
		u32	len
	)

Definition at line 490 of file ip6_mfib.c.

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u32 ip6_mfib_table_find_or_create_and_lock	(	u32	table_id,
		mfib_source_t	src
	)

Get or create an IPv4 fib.

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

Parameters

table_id When 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 273 of file ip6_mfib.c.

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fib_node_index_t ip6_mfib_table_fwd_lookup	(	const ip6_mfib_t *	mfib,
		const ip6_address_t *	src,
		const ip6_address_t *	grp
	)

Definition at line 350 of file ip6_mfib.c.

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u32 ip6_mfib_table_get_index_for_sw_if_index ( u32 sw_if_index )

Definition at line 287 of file ip6_mfib.c.

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fib_node_index_t ip6_mfib_table_get_less_specific	(	const ip6_mfib_t *	mfib,
		const ip6_address_t *	src,
		const ip6_address_t *	grp,
		u32	len
	)

Definition at line 378 of file ip6_mfib.c.

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fib_node_index_t ip6_mfib_table_lookup	(	const ip6_mfib_t *	fib,
		const ip6_address_t *	src,
		const ip6_address_t *	grp,
		u32	len
	)

The IPv4 Multicast-FIB.

FIXME

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 415 of file ip6_mfib.c.

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fib_node_index_t ip6_mfib_table_lookup_exact_match	(	const ip6_mfib_t *	mfib,
		const ip6_address_t *	grp,
		const ip6_address_t *	src,
		u32	len
	)

Definition at line 326 of file ip6_mfib.c.

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static void ip6_mfib_table_show_all	(	ip6_mfib_t *	mfib,
		vlib_main_t *	vm
	)

static

Definition at line 571 of file ip6_mfib.c.

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static void ip6_mfib_table_show_one	(	ip6_mfib_t *	mfib,
		vlib_main_t *	vm,
		ip6_address_t *	src,
		ip6_address_t *	grp,
		u32	mask_len,
		u32	cover
	)

static

Definition at line 532 of file ip6_mfib.c.

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void ip6_mfib_table_walk	(	ip6_mfib_t *	mfib,
		mfib_table_walk_fn_t	fn,
		void *	ctx
	)

Walk the IP6 mfib table.

Parameters

mfib	the table to walk
fn	The function to invoke on each entry visited
ctx	A context passed in the visit function

Definition at line 621 of file ip6_mfib.c.

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static int ip6_mfib_walk_cb	(	clib_bihash_kv_40_8_t *	kvp,
		void *	arg
	)

static

Definition at line 608 of file ip6_mfib.c.

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static clib_error_t* ip6_show_mfib	(	vlib_main_t *	vm,
		unformat_input_t *	input,
		vlib_cli_command_t *	cmd
	)

static

Definition at line 638 of file ip6_mfib.c.

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Variable Documentation

const mfib_prefix_t all_zeros

static

Initial value:

= {
    
    .fp_src_addr = {
        .ip6.as_u64 = {0, 0},
    },
    .fp_grp_addr = {
        .ip6.as_u64 = {0, 0},
    },
    .fp_len  = 0,
    .fp_proto = FIB_PROTOCOL_IP6,
}

Definition at line 27 of file ip6_mfib.c.

const ip6_mfib_special_t ip6_mfib_specials[]

static

Initial value:

=
{
    {
        
        .ims_type = IP6_MFIB_SPECIAL_TYPE_SOLICITED,
        .ims_len = 104,
    },
    {
        
        .ims_type = IP6_MFIB_SPECIAL_TYPE_NONE,
        .ims_scope = IP6_MULTICAST_SCOPE_link_local,
        .ims_byte = IP6_MULTICAST_GROUP_ID_all_routers,
        .ims_len = 128,
    },
    {
        
        .ims_type = IP6_MFIB_SPECIAL_TYPE_NONE,
        .ims_scope = IP6_MULTICAST_SCOPE_link_local,
        .ims_byte = IP6_MULTICAST_GROUP_ID_all_hosts,
        .ims_len = 128,
    },
    {
        
        .ims_type = IP6_MFIB_SPECIAL_TYPE_NONE,
        .ims_len = 128,
        .ims_scope = IP6_MULTICAST_SCOPE_link_local,
        .ims_byte = IP6_MULTICAST_GROUP_ID_mldv2_routers,
    }
}

Definition at line 65 of file ip6_mfib.c.

vlib_cli_command_t ip6_show_fib_command

static

Initial value:

= {
    .path = "show ip6 mfib",
    .short_help = "show ip mfib [summary] [table <table-id>] [index <fib-id>] [<grp-addr>[/<mask>]] [<grp-addr>] [<src-addr> <grp-addr>]",
    .function = ip6_show_mfib,
}

(constructor) VLIB_CLI_COMMAND (ip6_show_fib_command)

Definition at line 770 of file ip6_mfib.c.

Data Structures

Macros

Typedefs

Enumerations

Functions

Variables

Macro Definition Documentation

Typedef Documentation

Enumeration Type Documentation

Function Documentation

Variable Documentation