esp.h File Reference

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Data Structures
struct	esp_header_t
struct	esp_footer_t
struct	esp_aead_t_
	AES GCM Additional Authentication data. More...
struct	esp_decrypt_packet_data_t
	The post data structure to for esp_encrypt/decrypt_inline to write to vib_buffer_t opaque unused field, and for post nodes to pick up after dequeue. More...
struct	esp_decrypt_packet_data2_t
union	esp_post_data_t
struct	esp_async_post_next_t

Macros
#define	ESP_SEQ_MAX   (4294967295UL)
#define	ESP_MAX_BLOCK_SIZE   (16)
#define	ESP_MAX_IV_SIZE   (16)
#define	ESP_MAX_ICV_SIZE   (32)
#define	esp_post_data(b)
#define	esp_post_data2(b)

Typedefs
typedef struct esp_aead_t_	esp_aead_t
	AES GCM Additional Authentication data. More...

Functions
typedef	CLIB_PACKED (struct { ip4_header_t ip4;esp_header_t esp;}) ip4_and_esp_header_t
typedef	CLIB_PACKED (struct { ip4_header_t ip4;udp_header_t udp;esp_header_t esp;}) ip4_and_udp_and_esp_header_t
typedef	CLIB_PACKED (struct { ip6_header_t ip6;esp_header_t esp;}) ip6_and_esp_header_t
u8 *	format_esp_header (u8 *s, va_list *args)
static int	esp_seq_advance (ipsec_sa_t *sa)
static u16	esp_aad_fill (u8 *data, const esp_header_t *esp, const ipsec_sa_t *sa)
	STATIC_ASSERT_SIZEOF (esp_decrypt_packet_data_t, 3 *sizeof(u64))
	STATIC_ASSERT (sizeof(esp_post_data_t)<=STRUCT_SIZE_OF(vnet_buffer_opaque_t, unused), "Custom meta-data too large for vnet_buffer_opaque_t")
	STATIC_ASSERT (sizeof(esp_decrypt_packet_data2_t)<=STRUCT_SIZE_OF(vnet_buffer_opaque2_t, unused), "Custom meta-data too large for vnet_buffer_opaque2_t")

Variables
esp_async_post_next_t	esp_encrypt_async_next
esp_async_post_next_t	esp_decrypt_async_next

Macro Definition Documentation

ESP_MAX_BLOCK_SIZE

#define ESP_MAX_BLOCK_SIZE   (16)

Definition at line 76 of file esp.h.

ESP_MAX_ICV_SIZE

#define ESP_MAX_ICV_SIZE   (32)

Definition at line 78 of file esp.h.

ESP_MAX_IV_SIZE

#define ESP_MAX_IV_SIZE   (16)

Definition at line 77 of file esp.h.

esp_post_data

#define esp_post_data

(

b

)

Value:

((esp_post_data_t *)((u8 *)((b)->opaque) \
        + STRUCT_OFFSET_OF (vnet_buffer_opaque_t, unused)))

Definition at line 179 of file esp.h.

esp_post_data2

#define esp_post_data2

(

b

)

Value:

((esp_decrypt_packet_data2_t *)((u8 *)((b)->opaque2) \
        + STRUCT_OFFSET_OF (vnet_buffer_opaque2_t, unused)))

Definition at line 187 of file esp.h.

ESP_SEQ_MAX

#define ESP_SEQ_MAX   (4294967295UL)

Definition at line 75 of file esp.h.

Typedef Documentation

esp_aead_t

typedef struct esp_aead_t_ esp_aead_t

AES GCM Additional Authentication data.

Function Documentation

CLIB_PACKED() [1/3]

typedef CLIB_PACKED

(

struct { ip4_header_t ip4;esp_header_t esp;}

)

CLIB_PACKED() [2/3]

typedef CLIB_PACKED

(

struct { ip4_header_t ip4;udp_header_t udp;esp_header_t esp;}

)

CLIB_PACKED() [3/3]

typedef CLIB_PACKED

(

struct { ip6_header_t ip6;esp_header_t esp;}

)

esp_aad_fill()

static u16 esp_aad_fill ( u8 *  data, const esp_header_t *  esp, const ipsec_sa_t *  sa  )

inlinestatic

Definition at line 109 of file esp.h.

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esp_seq_advance()

static int esp_seq_advance ( ipsec_sa_t *  sa )

inlinestatic

Definition at line 84 of file esp.h.

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format_esp_header()

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

Definition at line 23 of file esp_format.c.

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STATIC_ASSERT() [1/2]

STATIC_ASSERT	(	sizeof(esp_post_data_t)<=STRUCT_SIZE_OF(vnet_buffer_opaque_t, unused)	,
		"Custom meta-data too large for vnet_buffer_opaque_t"
	)

STATIC_ASSERT() [2/2]

STATIC_ASSERT	(	sizeof(esp_decrypt_packet_data2_t)<=STRUCT_SIZE_OF(vnet_buffer_opaque2_t, unused)	,
		"Custom meta-data too large for vnet_buffer_opaque2_t"
	)

STATIC_ASSERT_SIZEOF()

STATIC_ASSERT_SIZEOF	(	esp_decrypt_packet_data_t	,
		3 *	sizeofu64
	)

Variable Documentation

esp_decrypt_async_next

esp_async_post_next_t esp_decrypt_async_next

Definition at line 30 of file ipsec.c.

esp_encrypt_async_next

esp_async_post_next_t esp_encrypt_async_next

Definition at line 29 of file ipsec.c.