rewrite.h File Reference

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Macros
#define	vnet_declare_rewrite(total_bytes)
#define	vnet_rewrite_set_data(rw, data, data_bytes)
#define	vnet_rewrite_get_data(rw)   vnet_rewrite_get_data_internal (&((rw).rewrite_header), sizeof ((rw).rewrite_data))
#define	vnet_rewrite_one_header(rw0, p0, most_likely_size)
#define	vnet_rewrite_two_headers(rw0, rw1, p0, p1, most_likely_size)
#define	VNET_REWRITE_FOR_SW_INTERFACE_ADDRESS_BROADCAST   ((void *) 0)

Typedefs
typedef uword	vnet_rewrite_data_t
typedef enum vnet_rewrite_flags_t_	vnet_rewrite_flags_t
	Flags associated with the rewrite/adjacency. More...

Enumerations
enum	vnet_rewrite_flags_t_ { VNET_REWRITE_HAS_FEATURES = (1 << 0) }
	Flags associated with the rewrite/adjacency. More...

Functions
typedef	CLIB_PACKED (struct { u32 sw_if_index;u16 next_index;u16 data_bytes;u16 max_l3_packet_bytes;vnet_rewrite_flags_t flags;u8 dst_mcast_offset;u8 data[0];}) vnet_rewrite_header_t
	STATIC_ASSERT (sizeof(vnet_rewrite_header_t)<=16, "Rewrite header too big")
	At 16 bytes of rewrite herader we have enought space left for a IPv6 (40 bytes) + LISP-GPE (8 bytes) in the cache line. More...
static void	vnet_rewrite_clear_data_internal (vnet_rewrite_header_t *rw, int max_size)
static void	vnet_rewrite_set_data_internal (vnet_rewrite_header_t *rw, int max_size, void *data, int data_bytes)
static void *	vnet_rewrite_get_data_internal (vnet_rewrite_header_t *rw, int max_size)
static void	vnet_rewrite_copy_one (vnet_rewrite_data_t *p0, vnet_rewrite_data_t *rw0, int i)
void	vnet_rewrite_copy_slow_path (vnet_rewrite_data_t *p0, vnet_rewrite_data_t *rw0, word n_left, uword most_likely_size)
typedef	CLIB_PACKED (struct { u64 a;u32 b;u16 c;}) eh_copy_t
static void	vnet_ip_mcast_fixup_header (u32 dst_mcast_mask, u32 dst_mcast_offset, u32 *addr, u8 *packet0)
void	vnet_rewrite_for_sw_interface (struct vnet_main_t *vnm, vnet_link_t packet_type, u32 sw_if_index, u32 node_index, void *dst_address, vnet_rewrite_header_t *rw, u32 max_rewrite_bytes)
	Deprecated. More...
u32	vnet_tx_node_index_for_sw_interface (struct vnet_main_t *vnm, u32 sw_if_index)
void	vnet_rewrite_init (struct vnet_main_t *vnm, u32 sw_if_index, vnet_link_t linkt, u32 this_node, u32 next_node, vnet_rewrite_header_t *rw)
void	vnet_rewrite_update_mtu (struct vnet_main_t *vnm, vnet_link_t linkt, vnet_rewrite_header_t *rw)
u8 *	vnet_build_rewrite_for_sw_interface (struct vnet_main_t *vnm, u32 sw_if_index, vnet_link_t packet_type, const void *dst_address)
void	vnet_update_adjacency_for_sw_interface (struct vnet_main_t *vnm, u32 sw_if_index, u32 ai)

Variables
format_function_t	format_vnet_rewrite
serialize_function_t	serialize_vnet_rewrite
serialize_function_t	unserialize_vnet_rewrite

Macro Definition Documentation

vnet_declare_rewrite

#define vnet_declare_rewrite

(

total_bytes

)

Value:

struct {                                                                \
  vnet_rewrite_header_t rewrite_header;                                 \
                                                                        \
  u8 rewrite_data[(total_bytes) - sizeof (vnet_rewrite_header_t)];      \
}

Definition at line 108 of file rewrite.h.

VNET_REWRITE_FOR_SW_INTERFACE_ADDRESS_BROADCAST

#define VNET_REWRITE_FOR_SW_INTERFACE_ADDRESS_BROADCAST   ((void *) 0)

Definition at line 302 of file rewrite.h.

vnet_rewrite_get_data

#define vnet_rewrite_get_data

(

rw

)

vnet_rewrite_get_data_internal (&((rw).rewrite_header), sizeof ((rw).rewrite_data))

Definition at line 151 of file rewrite.h.

vnet_rewrite_one_header

#define vnet_rewrite_one_header	(		rw0,
			p0,
			most_likely_size
	)

Value:

_vnet_rewrite_one_header (&((rw0).rewrite_header), (p0),        \
                            sizeof ((rw0).rewrite_data),        \
                            (most_likely_size))

Definition at line 277 of file rewrite.h.

vnet_rewrite_set_data

#define vnet_rewrite_set_data	(		rw,
			data,
			data_bytes
	)

Value:

vnet_rewrite_set_data_internal (&((rw).rewrite_header), \
                                  sizeof ((rw).rewrite_data),   \
                                  (data),                       \
                                  (data_bytes))

Definition at line 138 of file rewrite.h.

vnet_rewrite_two_headers

#define vnet_rewrite_two_headers	(		rw0,
			rw1,
			p0,
			p1,
			most_likely_size
	)

Value:

_vnet_rewrite_two_headers (&((rw0).rewrite_header), &((rw1).rewrite_header), \
                             (p0), (p1),                                \
                             sizeof ((rw0).rewrite_data),               \
                             (most_likely_size))

Definition at line 282 of file rewrite.h.

Typedef Documentation

vnet_rewrite_data_t

typedef uword vnet_rewrite_data_t

Definition at line 47 of file rewrite.h.

vnet_rewrite_flags_t

typedef enum vnet_rewrite_flags_t_ vnet_rewrite_flags_t

Flags associated with the rewrite/adjacency.

Enumeration Type Documentation

vnet_rewrite_flags_t_

enum vnet_rewrite_flags_t_

Flags associated with the rewrite/adjacency.

Enumerator
VNET_REWRITE_HAS_FEATURES	This adjacency/interface has output features configured.

Definition at line 52 of file rewrite.h.

Function Documentation

CLIB_PACKED() [1/2]

typedef CLIB_PACKED

(

struct { u32 sw_if_index;u16 next_index;u16 data_bytes;u16 max_l3_packet_bytes;vnet_rewrite_flags_t flags;u8 dst_mcast_offset;u8 data[0];}

)

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CLIB_PACKED() [2/2]

typedef CLIB_PACKED

(

struct { u64 a;u32 b;u16 c;}

)

STATIC_ASSERT()

STATIC_ASSERT	(	sizeof(vnet_rewrite_header_t)<=	16,
		"Rewrite header too big"
	)

At 16 bytes of rewrite herader we have enought space left for a IPv6 (40 bytes) + LISP-GPE (8 bytes) in the cache line.

vnet_build_rewrite_for_sw_interface()

u8* vnet_build_rewrite_for_sw_interface	(	struct vnet_main_t *	vnm,
		u32	sw_if_index,
		vnet_link_t	packet_type,
		const void *	dst_address
	)

Definition at line 214 of file rewrite.c.

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vnet_ip_mcast_fixup_header()

static void vnet_ip_mcast_fixup_header ( u32  dst_mcast_mask, u32  dst_mcast_offset, u32 *  addr, u8 *  packet0  )

inlinestatic

Definition at line 289 of file rewrite.h.

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vnet_rewrite_clear_data_internal()

static void vnet_rewrite_clear_data_internal ( vnet_rewrite_header_t *  rw, int  max_size  )

inlinestatic

Definition at line 116 of file rewrite.h.

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vnet_rewrite_copy_one()

static void vnet_rewrite_copy_one ( vnet_rewrite_data_t *  p0, vnet_rewrite_data_t *  rw0, int  i  )

inlinestatic

Definition at line 155 of file rewrite.h.

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vnet_rewrite_copy_slow_path()

void vnet_rewrite_copy_slow_path	(	vnet_rewrite_data_t *	p0,
		vnet_rewrite_data_t *	rw0,
		word	n_left,
		uword	most_likely_size
	)

Definition at line 44 of file rewrite.c.

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vnet_rewrite_for_sw_interface()

void vnet_rewrite_for_sw_interface	(	struct vnet_main_t *	vnm,
		vnet_link_t	packet_type,
		u32	sw_if_index,
		u32	node_index,
		void *	dst_address,
		vnet_rewrite_header_t *	rw,
		u32	max_rewrite_bytes
	)

Deprecated.

Definition at line 125 of file rewrite.c.

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vnet_rewrite_get_data_internal()

static void* vnet_rewrite_get_data_internal ( vnet_rewrite_header_t *  rw, int  max_size  )

inlinestatic

Definition at line 145 of file rewrite.h.

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vnet_rewrite_init()

void vnet_rewrite_init	(	struct vnet_main_t *	vnm,
		u32	sw_if_index,
		vnet_link_t	linkt,
		u32	this_node,
		u32	next_node,
		vnet_rewrite_header_t *	rw
	)

Definition at line 104 of file rewrite.c.

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vnet_rewrite_set_data_internal()

static void vnet_rewrite_set_data_internal ( vnet_rewrite_header_t *  rw, int  max_size, void *  data, int  data_bytes  )

inlinestatic

Definition at line 126 of file rewrite.h.

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vnet_rewrite_update_mtu()

void vnet_rewrite_update_mtu	(	struct vnet_main_t *	vnm,
		vnet_link_t	linkt,
		vnet_rewrite_header_t *	rw
	)

Definition at line 116 of file rewrite.c.

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vnet_tx_node_index_for_sw_interface()

u32 vnet_tx_node_index_for_sw_interface	(	struct vnet_main_t *	vnm,
		u32	sw_if_index
	)

Definition at line 97 of file rewrite.c.

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vnet_update_adjacency_for_sw_interface()

void vnet_update_adjacency_for_sw_interface	(	struct vnet_main_t *	vnm,
		u32	sw_if_index,
		u32	ai
	)

Definition at line 229 of file rewrite.c.

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Variable Documentation

format_vnet_rewrite

format_function_t format_vnet_rewrite

Definition at line 331 of file rewrite.h.

serialize_vnet_rewrite

serialize_function_t serialize_vnet_rewrite

Definition at line 333 of file rewrite.h.

unserialize_vnet_rewrite

serialize_function_t unserialize_vnet_rewrite

Definition at line 333 of file rewrite.h.