ip6_packet.h File Reference

Include dependency graph for ip6_packet.h:

Go to the source code of this file.

Data Structures
union	ip6_address_t
struct	ip6_address_and_mask_t
struct	ip6_header_t

Macros
#define	ip46_address_is_ip4(ip46)   (((ip46)->pad[0] | (ip46)->pad[1] | (ip46)->pad[2]) == 0)
#define	ip46_address_mask_ip4(ip46)   ((ip46)->pad[0] = (ip46)->pad[1] = (ip46)->pad[2] = 0)
#define	ip46_address_set_ip4(ip46, ip)   (ip46_address_mask_ip4(ip46), (ip46)->ip4 = (ip)[0])
#define	ip46_address_reset(ip46)   ((ip46)->as_u64[0] = (ip46)->as_u64[1] = 0)
#define	ip46_address_cmp(ip46_1, ip46_2)   (memcmp(ip46_1, ip46_2, sizeof(*ip46_1)))
#define	ip46_address_is_zero(ip46)   (((ip46)->as_u64[0] == 0) && ((ip46)->as_u64[1] == 0))
#define	ip46_address_is_equal(a1, a2)
#define	ip46_address_initializer   {{{ 0 }}}
#define	foreach_ip6_multicast_address_scope
#define	foreach_ip6_multicast_link_local_group_id
#define	IP6_MLDP_ALERT_TYPE   0x5
#define	foreach_ext_hdr_type
#define	ip6_ext_header_len(p)   ((((ip6_ext_header_t *)(p))->n_data_u64s+1) << 3)
#define	ip6_ext_authhdr_len(p)   ((((ip6_ext_header_t *)(p))->n_data_u64s+2) << 2)
#define	ip6_frag_hdr_offset(hdr)   (clib_net_to_host_u16((hdr)->fragment_offset_and_more) >> 3)
#define	ip6_frag_hdr_offset_bytes(hdr)   (8 * ip6_frag_hdr_offset(hdr))
#define	ip6_frag_hdr_more(hdr)   (clib_net_to_host_u16((hdr)->fragment_offset_and_more) & 0x1)
#define	ip6_frag_hdr_offset_and_more(offset, more)   clib_host_to_net_u16(((offset) << 3) + !!(more))

Enumerations
enum	ip46_type_t { IP46_TYPE_ANY, IP46_TYPE_IP4, IP46_TYPE_IP6 }
enum	ip6_multicast_address_scope_t { foreach_ip6_multicast_address_scope }
enum	ip6_multicast_link_local_group_id_t { foreach_ip6_multicast_link_local_group_id }

Functions
typedef	CLIB_PACKED (struct { ip6_address_t ip6_addr;u32 fib_index;}) ip6_address_fib_t
typedef	CLIB_PACKED (union ip46_address_t_ { struct { u32 pad[3];ip4_address_t ip4;};ip6_address_t ip6;u8 as_u8[16];u64 as_u64[2];}) ip46_address_t
static_always_inline int	ip46_address_is_equal_v4 (const ip46_address_t *ip46, const ip4_address_t *ip4)
static_always_inline int	ip46_address_is_equal_v6 (const ip46_address_t *ip46, const ip6_address_t *ip6)
static_always_inline void	ip46_address_copy (ip46_address_t *dst, const ip46_address_t *src)
static_always_inline void	ip46_address_set_ip6 (ip46_address_t *dst, const ip6_address_t *src)
static ip46_address_t	to_ip46 (u32 is_ipv6, u8 *buf)
static void	ip6_addr_fib_init (ip6_address_fib_t *addr_fib, const ip6_address_t *address, u32 fib_index)
static uword	ip6_address_is_multicast (const ip6_address_t *a)
static uword	ip46_address_is_multicast (const ip46_address_t *a)
static void	ip6_address_copy (ip6_address_t *dst, const ip6_address_t *src)
static void	ip6_set_reserved_multicast_address (ip6_address_t *a, ip6_multicast_address_scope_t scope, u16 id)
static void	ip6_set_solicited_node_multicast_address (ip6_address_t *a, u32 id)
static void	ip6_multicast_ethernet_address (u8 *ethernet_address, u32 group_id)
static uword	ip6_address_is_equal (const ip6_address_t *a, const ip6_address_t *b)
static uword	ip6_address_is_equal_masked (const ip6_address_t *a, const ip6_address_t *b, const ip6_address_t *mask)
static void	ip6_address_mask (ip6_address_t *a, const ip6_address_t *mask)
static void	ip6_address_set_zero (ip6_address_t *a)
static void	ip6_address_mask_from_width (ip6_address_t *a, u32 width)
static uword	ip6_address_is_zero (const ip6_address_t *a)
static uword	ip6_address_is_unspecified (const ip6_address_t *a)
static uword	ip6_address_is_loopback (const ip6_address_t *a)
static uword	ip6_address_is_link_local_unicast (const ip6_address_t *a)
static uword	ip6_address_is_local_unicast (const ip6_address_t *a)
static uword	ip6_address_is_global_unicast (const ip6_address_t *a)
static uword	ip6_is_solicited_node_multicast_address (const ip6_address_t *a)
static u32	ip6_address_hash_to_u32 (const ip6_address_t *a)
static u64	ip6_address_hash_to_u64 (const ip6_address_t *a)
static ip_dscp_t	ip6_traffic_class (const ip6_header_t *i)
static_always_inline ip_dscp_t	ip6_traffic_class_network_order (const ip6_header_t *ip6)
static_always_inline void	ip6_set_traffic_class_network_order (ip6_header_t *ip6, ip_dscp_t dscp)
static void *	ip6_next_header (ip6_header_t *i)
static void	ip6_copy_header (ip6_header_t *dst, const ip6_header_t *src)
static void	ip6_tcp_reply_x1 (ip6_header_t *ip0, tcp_header_t *tcp0)
static void	ip6_tcp_reply_x2 (ip6_header_t *ip0, ip6_header_t *ip1, tcp_header_t *tcp0, tcp_header_t *tcp1)
typedef	CLIB_PACKED (struct { u8 data;}) ip6_pad1_option_t
typedef	CLIB_PACKED (struct { u8 type;u8 len;u8 data[0];}) ip6_padN_option_t
typedef	CLIB_PACKED (struct { #define IP6_MLDP_ALERT_TYPE u8 type;u8 len;u16 value;}) ip6_router_alert_option_t
typedef	CLIB_PACKED (struct { u8 next_hdr;u8 n_data_u64s;}) ip6_ext_header_t
static u8	ip6_ext_hdr (u8 nexthdr)
static void *	ip6_ext_next_header (ip6_ext_header_t *ext_hdr)
static int	vlib_object_within_buffer_data (vlib_main_t *vm, vlib_buffer_t *b, void *obj, size_t len)
static void *	ip6_ext_header_find (vlib_main_t *vm, vlib_buffer_t *b, ip6_header_t *ip6_header, u8 header_type, ip6_ext_header_t **prev_ext_header)
typedef	CLIB_PACKED (struct { u8 next_hdr;u8 n_data_u64s;u8 data[0];}) ip6_hop_by_hop_ext_t
typedef	CLIB_PACKED (struct { u8 next_hdr;u8 rsv;u16 fragment_offset_and_more;u32 identification;}) ip6_frag_hdr_t

Macro Definition Documentation

foreach_ext_hdr_type

#define foreach_ext_hdr_type

Value:

_(IP6_HOP_BY_HOP_OPTIONS) \
  _(IPV6_ROUTE) \
  _(IPV6_FRAGMENTATION) \
  _(IPSEC_ESP) \
  _(IPSEC_AH) \
  _(IP6_DESTINATION_OPTIONS) \
  _(MOBILITY) \
  _(HIP) \
  _(SHIM6)

Definition at line 515 of file ip6_packet.h.

foreach_ip6_multicast_address_scope

#define foreach_ip6_multicast_address_scope

Value:

_ (loopback, 0x1)                               \
  _ (link_local, 0x2)                           \
  _ (admin_local, 0x4)                          \
  _ (site_local, 0x5)                           \
  _ (organization_local, 0x8)                   \
  _ (global, 0xe)

Definition at line 156 of file ip6_packet.h.

foreach_ip6_multicast_link_local_group_id

#define foreach_ip6_multicast_link_local_group_id

Value:

_ (all_hosts, 0x1)                                      \
  _ (all_routers, 0x2)                                  \
  _ (rip_routers, 0x9)                                  \
  _ (eigrp_routers, 0xa)                                \
  _ (pim_routers, 0xd)                            \
 _ (mldv2_routers, 0x16)

Definition at line 164 of file ip6_packet.h.

ip46_address_cmp

#define ip46_address_cmp	(		ip46_1,
			ip46_2
	)		(memcmp(ip46_1, ip46_2, sizeof(*ip46_1)))

Definition at line 92 of file ip6_packet.h.

ip46_address_initializer

#define ip46_address_initializer   {{{ 0 }}}

Definition at line 96 of file ip6_packet.h.

ip46_address_is_equal

#define ip46_address_is_equal	(		a1,
			a2
	)

Value:

(((a1)->as_u64[0] == (a2)->as_u64[0]) \
                                         && ((a1)->as_u64[1] == (a2)->as_u64[1]))

Definition at line 94 of file ip6_packet.h.

ip46_address_is_ip4

#define ip46_address_is_ip4

(

ip46

)

(((ip46)->pad[0] | (ip46)->pad[1] | (ip46)->pad[2]) == 0)

Definition at line 88 of file ip6_packet.h.

ip46_address_is_zero

#define ip46_address_is_zero

(

ip46

)

(((ip46)->as_u64[0] == 0) && ((ip46)->as_u64[1] == 0))

Definition at line 93 of file ip6_packet.h.

ip46_address_mask_ip4

#define ip46_address_mask_ip4

(

ip46

)

((ip46)->pad[0] = (ip46)->pad[1] = (ip46)->pad[2] = 0)

Definition at line 89 of file ip6_packet.h.

ip46_address_reset

#define ip46_address_reset

(

ip46

)

((ip46)->as_u64[0] = (ip46)->as_u64[1] = 0)

Definition at line 91 of file ip6_packet.h.

ip46_address_set_ip4

#define ip46_address_set_ip4	(		ip46,
			ip
	)		(ip46_address_mask_ip4(ip46), (ip46)->ip4 = (ip)[0])

Definition at line 90 of file ip6_packet.h.

ip6_ext_authhdr_len

#define ip6_ext_authhdr_len

(

p

)

((((ip6_ext_header_t *)(p))->n_data_u64s+2) << 2)

Definition at line 549 of file ip6_packet.h.

ip6_ext_header_len

#define ip6_ext_header_len

(

p

)

((((ip6_ext_header_t *)(p))->n_data_u64s+1) << 3)

Definition at line 548 of file ip6_packet.h.

ip6_frag_hdr_more

#define ip6_frag_hdr_more

(

hdr

)

(clib_net_to_host_u16((hdr)->fragment_offset_and_more) & 0x1)

Definition at line 648 of file ip6_packet.h.

ip6_frag_hdr_offset

#define ip6_frag_hdr_offset

(

hdr

)

(clib_net_to_host_u16((hdr)->fragment_offset_and_more) >> 3)

Definition at line 642 of file ip6_packet.h.

ip6_frag_hdr_offset_and_more

#define ip6_frag_hdr_offset_and_more	(		offset,
			more
	)		clib_host_to_net_u16(((offset) << 3) + !!(more))

Definition at line 651 of file ip6_packet.h.

ip6_frag_hdr_offset_bytes

#define ip6_frag_hdr_offset_bytes

(

hdr

)

(8 * ip6_frag_hdr_offset(hdr))

Definition at line 645 of file ip6_packet.h.

IP6_MLDP_ALERT_TYPE

#define IP6_MLDP_ALERT_TYPE   0x5

Enumeration Type Documentation

ip46_type_t

enum ip46_type_t

Enumerator
IP46_TYPE_ANY
IP46_TYPE_IP4
IP46_TYPE_IP6

Definition at line 70 of file ip6_packet.h.

ip6_multicast_address_scope_t

enum ip6_multicast_address_scope_t

Enumerator
foreach_ip6_multicast_address_scope

Definition at line 172 of file ip6_packet.h.

ip6_multicast_link_local_group_id_t

enum ip6_multicast_link_local_group_id_t

Enumerator
foreach_ip6_multicast_link_local_group_id

Definition at line 179 of file ip6_packet.h.

Function Documentation

CLIB_PACKED() [1/8]

typedef CLIB_PACKED

(

struct { ip6_address_t ip6_addr;u32 fib_index;}

)

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CLIB_PACKED() [2/8]

typedef CLIB_PACKED

(

union ip46_address_t_ { struct { u32 pad[3];ip4_address_t ip4;};ip6_address_t ip6;u8 as_u8[16];u64 as_u64[2];}

)

CLIB_PACKED() [3/8]

typedef CLIB_PACKED

(

struct { u8 data;}

)

CLIB_PACKED() [4/8]

typedef CLIB_PACKED

(

struct { u8 type;u8 len;u8 data[0];}

)

CLIB_PACKED() [5/8]

typedef CLIB_PACKED

(

struct { #define IP6_MLDP_ALERT_TYPE u8 type;u8 len;u16 value;}

)

CLIB_PACKED() [6/8]

typedef CLIB_PACKED

(

struct { u8 next_hdr;u8 n_data_u64s;}

)

CLIB_PACKED() [7/8]

typedef CLIB_PACKED

(

struct { u8 next_hdr;u8 n_data_u64s;u8 data[0];}

)

CLIB_PACKED() [8/8]

typedef CLIB_PACKED

(

struct { u8 next_hdr;u8 rsv;u16 fragment_offset_and_more;u32 identification;}

)

ip46_address_copy()

static_always_inline void ip46_address_copy	(	ip46_address_t *	dst,
		const ip46_address_t *	src
	)

Definition at line 114 of file ip6_packet.h.

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ip46_address_is_equal_v4()

static_always_inline int ip46_address_is_equal_v4	(	const ip46_address_t *	ip46,
		const ip4_address_t *	ip4
	)

Definition at line 99 of file ip6_packet.h.

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ip46_address_is_equal_v6()

static_always_inline int ip46_address_is_equal_v6	(	const ip46_address_t *	ip46,
		const ip6_address_t *	ip6
	)

Definition at line 106 of file ip6_packet.h.

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ip46_address_is_multicast()

static uword ip46_address_is_multicast ( const ip46_address_t *  a )

inlinestatic

Definition at line 193 of file ip6_packet.h.

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ip46_address_set_ip6()

static_always_inline void ip46_address_set_ip6	(	ip46_address_t *	dst,
		const ip6_address_t *	src
	)

Definition at line 121 of file ip6_packet.h.

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ip6_addr_fib_init()

static void ip6_addr_fib_init ( ip6_address_fib_t *  addr_fib, const ip6_address_t *  address, u32  fib_index  )

inlinestatic

Definition at line 140 of file ip6_packet.h.

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ip6_address_copy()

static void ip6_address_copy ( ip6_address_t *  dst, const ip6_address_t *  src  )

inlinestatic

Definition at line 200 of file ip6_packet.h.

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ip6_address_hash_to_u32()

static u32 ip6_address_hash_to_u32 ( const ip6_address_t *  a )

inlinestatic

Definition at line 356 of file ip6_packet.h.

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ip6_address_hash_to_u64()

static u64 ip6_address_hash_to_u64 ( const ip6_address_t *  a )

inlinestatic

Definition at line 362 of file ip6_packet.h.

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ip6_address_is_equal()

static uword ip6_address_is_equal ( const ip6_address_t *  a, const ip6_address_t *  b  )

inlinestatic

Definition at line 240 of file ip6_packet.h.

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ip6_address_is_equal_masked()

static uword ip6_address_is_equal_masked ( const ip6_address_t *  a, const ip6_address_t *  b, const ip6_address_t *  mask  )

inlinestatic

Definition at line 250 of file ip6_packet.h.

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ip6_address_is_global_unicast()

static uword ip6_address_is_global_unicast ( const ip6_address_t *  a )

inlinestatic

Definition at line 340 of file ip6_packet.h.

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ip6_address_is_link_local_unicast()

static uword ip6_address_is_link_local_unicast ( const ip6_address_t *  a )

inlinestatic

Definition at line 326 of file ip6_packet.h.

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ip6_address_is_local_unicast()

static uword ip6_address_is_local_unicast ( const ip6_address_t *  a )

inlinestatic

Definition at line 333 of file ip6_packet.h.

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ip6_address_is_loopback()

static uword ip6_address_is_loopback ( const ip6_address_t *  a )

inlinestatic

Definition at line 317 of file ip6_packet.h.

ip6_address_is_multicast()

static uword ip6_address_is_multicast ( const ip6_address_t *  a )

inlinestatic

Definition at line 187 of file ip6_packet.h.

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ip6_address_is_unspecified()

static uword ip6_address_is_unspecified ( const ip6_address_t *  a )

inlinestatic

Definition at line 310 of file ip6_packet.h.

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ip6_address_is_zero()

static uword ip6_address_is_zero ( const ip6_address_t *  a )

inlinestatic

Definition at line 299 of file ip6_packet.h.

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ip6_address_mask()

static void ip6_address_mask ( ip6_address_t *  a, const ip6_address_t *  mask  )

inlinestatic

Definition at line 268 of file ip6_packet.h.

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ip6_address_mask_from_width()

static void ip6_address_mask_from_width ( ip6_address_t *  a, u32  width  )

inlinestatic

Definition at line 284 of file ip6_packet.h.

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ip6_address_set_zero()

static void ip6_address_set_zero ( ip6_address_t *  a )

inlinestatic

Definition at line 276 of file ip6_packet.h.

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ip6_copy_header()

static void ip6_copy_header ( ip6_header_t *  dst, const ip6_header_t *  src  )

inlinestatic

Definition at line 416 of file ip6_packet.h.

ip6_ext_hdr()

static u8 ip6_ext_hdr ( u8  nexthdr )

inlinestatic

Definition at line 527 of file ip6_packet.h.

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ip6_ext_header_find()

static void* ip6_ext_header_find ( vlib_main_t *  vm, vlib_buffer_t *  b, ip6_header_t *  ip6_header, u8  header_type, ip6_ext_header_t **  prev_ext_header  )

inlinestatic

Definition at line 578 of file ip6_packet.h.

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ip6_ext_next_header()

static void* ip6_ext_next_header ( ip6_ext_header_t *  ext_hdr )

inlinestatic

Definition at line 552 of file ip6_packet.h.

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ip6_is_solicited_node_multicast_address()

static uword ip6_is_solicited_node_multicast_address ( const ip6_address_t *  a )

inlinestatic

Definition at line 347 of file ip6_packet.h.

ip6_multicast_ethernet_address()

static void ip6_multicast_ethernet_address ( u8 *  ethernet_address, u32  group_id  )

inlinestatic

Definition at line 229 of file ip6_packet.h.

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ip6_next_header()

static void* ip6_next_header ( ip6_header_t *  i )

inlinestatic

Definition at line 410 of file ip6_packet.h.

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ip6_set_reserved_multicast_address()

static void ip6_set_reserved_multicast_address ( ip6_address_t *  a, ip6_multicast_address_scope_t  scope, u16  id  )

inlinestatic

Definition at line 207 of file ip6_packet.h.

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ip6_set_solicited_node_multicast_address()

static void ip6_set_solicited_node_multicast_address ( ip6_address_t *  a, u32  id  )

inlinestatic

Definition at line 217 of file ip6_packet.h.

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ip6_set_traffic_class_network_order()

static_always_inline void ip6_set_traffic_class_network_order	(	ip6_header_t *	ip6,
		ip_dscp_t	dscp
	)

Definition at line 400 of file ip6_packet.h.

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ip6_tcp_reply_x1()

static void ip6_tcp_reply_x1 ( ip6_header_t *  ip0, tcp_header_t *  tcp0  )

inlinestatic

Definition at line 431 of file ip6_packet.h.

ip6_tcp_reply_x2()

static void ip6_tcp_reply_x2 ( ip6_header_t *  ip0, ip6_header_t *  ip1, tcp_header_t *  tcp0, tcp_header_t *  tcp1  )

inlinestatic

Definition at line 453 of file ip6_packet.h.

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ip6_traffic_class()

static ip_dscp_t ip6_traffic_class ( const ip6_header_t *  i )

inlinestatic

Definition at line 387 of file ip6_packet.h.

ip6_traffic_class_network_order()

static_always_inline ip_dscp_t ip6_traffic_class_network_order

(

const ip6_header_t *

ip6

)

Definition at line 393 of file ip6_packet.h.

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to_ip46()

static ip46_address_t to_ip46 ( u32  is_ipv6, u8 *  buf  )

inlinestatic

Definition at line 128 of file ip6_packet.h.

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vlib_object_within_buffer_data()

static int vlib_object_within_buffer_data ( vlib_main_t *  vm, vlib_buffer_t *  b, void *  obj, size_t  len  )

inlinestatic

Definition at line 558 of file ip6_packet.h.

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