Include dependency graph for ip6_mfib.c:

Data Structures
struct	ip6_mfib_key_t_
	Key and mask for radix. More...

struct	ip6_mfib_node_t_
	An object that is inserted into the radix tree. More...

struct	ip6_mfib_special_t_

struct	ip6_mfib_show_ctx_t_

struct	ip6_mfib_radix_walk_ctx_t_

Macros
#define	IP6_MFIB_KEY_LEN 33
	The number of bytes in an address/ask key in the radix tree First byte is the length in bytes. More...

#define	FOR_EACH_IP6_SPECIAL(_pfx, _body)

#define	IP6_MFIB_MK_KEY(_grp, _src, _key)

#define	IP6_MFIB_MK_KEY_MASK(_grp, _src, _len, _key)

Typedefs
typedef struct ip6_mfib_key_t_	ip6_mfib_key_t
	Key and mask for radix. More...

typedef struct ip6_mfib_node_t_	ip6_mfib_node_t
	An object that is inserted into the radix tree. 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_radix_walk_ctx_t_	ip6_mfib_radix_walk_ctx_t

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

fib_node_index_t	ip6_mfib_table_lookup2 (const ip6_mfib_t mfib, const ip6_address_t src, const ip6_address_t *grp)
	Data-plane lookup function. More...

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)

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_table_radix_walk (struct radix_node rn, void arg)

void	ip6_mfib_table_walk (ip6_mfib_t mfib, mfib_table_walk_fn_t fn, void ctx)
	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 126 of file ip6_mfib.c.

#define IP6_MFIB_KEY_LEN 33

The number of bytes in an address/ask key in the radix tree First byte is the length in bytes.

Definition at line 26 of file ip6_mfib.c.

#define IP6_MFIB_MK_KEY	(	_grp,
		_src,
		_key
	)

Value:

{                                                                   \
    (_key)->key[0] = 33;                                            \
    memcpy((_key)->key+1, _grp, 16);                                \
    memcpy((_key)->key+17, _src, 16);                               \
}

Definition at line 328 of file ip6_mfib.c.

#define IP6_MFIB_MK_KEY_MASK	(	_grp,
		_src,
		_len,
		_key
	)

Value:

{                                                                   \
    IP6_MFIB_MK_KEY(_grp, _src, _key);                              \
                                                                    \
    (_key)->mask[0] = 33;                                           \
    if (_len <= 128)                                                \
    {                                                               \
        memcpy((_key)->mask+1, &ip6_main.fib_masks[_len], 16);      \
        memset((_key)->mask+17, 0, 16);                             \
    }                                                               \
    else                                                            \
    {                                                               \
        ASSERT(_len == 256);                                        \
        memcpy((_key)->mask+1, &ip6_main.fib_masks[128], 16);       \
        memcpy((_key)->mask+17, &ip6_main.fib_masks[128], 16);      \
    }                                                               \
}

Definition at line 335 of file ip6_mfib.c.

Typedef Documentation

typedef struct ip6_mfib_key_t_ ip6_mfib_key_t

Key and mask for radix.

typedef struct ip6_mfib_node_t_ ip6_mfib_node_t

An object that is inserted into the radix tree.

Since it's in the tree and has pointers, it cannot realloc and so cannot come from a vlib pool.

typedef struct ip6_mfib_radix_walk_ctx_t_ ip6_mfib_radix_walk_ctx_t

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

Enumeration Type Documentation

enum ip6_mfib_special_type_t_

Enumerator
IP6_MFIB_SPECIAL_TYPE_NONE
IP6_MFIB_SPECIAL_TYPE_SOLICITED

Definition at line 61 of file ip6_mfib.c.

Function Documentation

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

format (display) ipv6 MFIB mempry usage

Definition at line 476 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 154 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 260 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 468 of file ip6_mfib.c.

static int ip6_mfib_table_collect_entries	(	fib_node_index_t	mfei,
		void *	arg
	)

static

Definition at line 504 of file ip6_mfib.c.

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void ip6_mfib_table_destroy ( ip6_mfib_t * mfib )

Definition at line 218 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 429 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 452 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 301 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 315 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 386 of file ip6_mfib.c.

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fib_node_index_t ip6_mfib_table_lookup2	(	const ip6_mfib_t *	mfib,
		const ip6_address_t *	src,
		const ip6_address_t *	grp
	)

Data-plane lookup function.

Definition at line 411 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 359 of file ip6_mfib.c.

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static int ip6_mfib_table_radix_walk	(	struct radix_node *	rn,
		void *	arg
	)

static

Definition at line 546 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 514 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
	)

static

Definition at line 486 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 560 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 575 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 49 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 87 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 704 of file ip6_mfib.c.

Data Structures

Macros

Typedefs

Enumerations

Functions

Variables

Macro Definition Documentation

Typedef Documentation

Enumeration Type Documentation

Function Documentation

Variable Documentation