esp_encrypt.c File Reference

Include dependency graph for esp_encrypt.c:

Go to the source code of this file.

Data Structures
struct	esp_encrypt_trace_t
struct	esp_no_crypto_trace_t

Macros
#define	foreach_esp_encrypt_next
#define	foreach_esp_encrypt_error

Enumerations
enum	esp_encrypt_next_t { ESP_ENCRYPT_N_NEXT, ESP_ENCRYPT_N_NEXT }
enum	esp_encrypt_error_t { ESP_ENCRYPT_N_ERROR, ESP_ENCRYPT_N_ERROR }
enum	{ ESP_NO_CRYPTO_NEXT_DROP, ESP_NO_CRYPTO_N_NEXT }
enum	{ ESP_NO_CRYPTO_ERROR_RX_PKTS }

Functions
static u8 *	format_esp_encrypt_trace (u8 *s, va_list *args)
static_always_inline u8 *	esp_add_footer_and_icv (vlib_buffer_t *b, u8 block_size, u8 icv_sz, u16 *next, vlib_node_runtime_t *node, u16 buffer_data_size)
static_always_inline void	esp_update_ip4_hdr (ip4_header_t *ip4, u16 len, int is_transport, int is_udp)
static_always_inline void	esp_fill_udp_hdr (ipsec_sa_t *sa, udp_header_t *udp, u16 len)
static_always_inline u8	ext_hdr_is_pre_esp (u8 nexthdr)
static_always_inline u8	esp_get_ip6_hdr_len (ip6_header_t *ip6)
static_always_inline void	esp_process_ops (vlib_main_t *vm, vlib_node_runtime_t *node, vnet_crypto_op_t *ops, vlib_buffer_t *b[], u16 *nexts)
	STATIC_ASSERT_SIZEOF (esp_gcm_nonce_t, 12)
static uword	esp_encrypt_inline (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame, int is_ip6, int is_tun)
VLIB_NODE_FN()	esp4_encrypt_node (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *from_frame)
VLIB_NODE_FN()	esp6_encrypt_node (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *from_frame)
VLIB_NODE_FN()	esp4_encrypt_tun_node (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *from_frame)
	VNET_FEATURE_INIT (esp4_encrypt_tun_feat_node, static)
	VNET_FEATURE_INIT (esp6o4_encrypt_tun_feat_node, static)
	VNET_FEATURE_INIT (esp4_ethernet_encrypt_tun_feat_node, static)
VLIB_NODE_FN()	esp6_encrypt_tun_node (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *from_frame)
	VNET_FEATURE_INIT (esp6_encrypt_tun_feat_node, static)
	VNET_FEATURE_INIT (esp4o6_encrypt_tun_feat_node, static)
static u8 *	format_esp_no_crypto_trace (u8 *s, va_list *args)
static uword	esp_no_crypto_inline (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
VLIB_NODE_FN()	esp4_no_crypto_tun_node (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *from_frame)
	VNET_FEATURE_INIT (esp4_no_crypto_tun_feat_node, static)
VLIB_NODE_FN()	esp6_no_crypto_tun_node (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *from_frame)
	VNET_FEATURE_INIT (esp6_no_crypto_tun_feat_node, static)

Variables
static char *	esp_encrypt_error_strings []
vlib_node_registration_t	esp4_encrypt_node
	(constructor) VLIB_REGISTER_NODE (esp4_encrypt_node) More...
vlib_node_registration_t	esp6_encrypt_node
	(constructor) VLIB_REGISTER_NODE (esp6_encrypt_node) More...
vlib_node_registration_t	esp4_encrypt_tun_node
	(constructor) VLIB_REGISTER_NODE (esp4_encrypt_tun_node) More...
vlib_node_registration_t	esp6_encrypt_tun_node
	(constructor) VLIB_REGISTER_NODE (esp6_encrypt_tun_node) More...
static char *	esp_no_crypto_error_strings []
vlib_node_registration_t	esp4_no_crypto_tun_node
	(constructor) VLIB_REGISTER_NODE (esp4_no_crypto_tun_node) More...
vlib_node_registration_t	esp6_no_crypto_tun_node
	(constructor) VLIB_REGISTER_NODE (esp6_no_crypto_tun_node) More...

Macro Definition Documentation

foreach_esp_encrypt_error

#define foreach_esp_encrypt_error

Value:

_(RX_PKTS, "ESP pkts received")                                \
 _(SEQ_CYCLED, "sequence number cycled (packet dropped)")       \
 _(CRYPTO_ENGINE_ERROR, "crypto engine error (packet dropped)") \
 _(CHAINED_BUFFER, "chained buffers (packet dropped)")          \
 _(NO_TRAILER_SPACE, "no trailer space (packet dropped)")

Definition at line 42 of file esp_encrypt.c.

foreach_esp_encrypt_next

#define foreach_esp_encrypt_next

Value:

_(DROP, "error-drop")                              \
_(IP4_LOOKUP, "ip4-lookup")                        \
_(IP6_LOOKUP, "ip6-lookup")                        \
_(INTERFACE_OUTPUT, "interface-output")

Definition at line 28 of file esp_encrypt.c.

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
ESP_NO_CRYPTO_NEXT_DROP
ESP_NO_CRYPTO_N_NEXT

Definition at line 706 of file esp_encrypt.c.

anonymous enum

anonymous enum

Enumerator
ESP_NO_CRYPTO_ERROR_RX_PKTS

Definition at line 712 of file esp_encrypt.c.

esp_encrypt_error_t

enum esp_encrypt_error_t

Enumerator
ESP_ENCRYPT_N_ERROR
ESP_ENCRYPT_N_ERROR

Definition at line 49 of file esp_encrypt.c.

esp_encrypt_next_t

enum esp_encrypt_next_t

Enumerator
ESP_ENCRYPT_N_NEXT
ESP_ENCRYPT_N_NEXT

Definition at line 35 of file esp_encrypt.c.

Function Documentation

esp4_encrypt_node()

VLIB_NODE_FN() esp4_encrypt_node	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		vlib_frame_t *	from_frame
	)

Definition at line 553 of file esp_encrypt.c.

Here is the call graph for this function:

esp4_encrypt_tun_node()

VLIB_NODE_FN() esp4_encrypt_tun_node	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		vlib_frame_t *	from_frame
	)

Definition at line 605 of file esp_encrypt.c.

Here is the call graph for this function:

esp4_no_crypto_tun_node()

VLIB_NODE_FN() esp4_no_crypto_tun_node	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		vlib_frame_t *	from_frame
	)

Definition at line 763 of file esp_encrypt.c.

Here is the call graph for this function:

esp6_encrypt_node()

VLIB_NODE_FN() esp6_encrypt_node	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		vlib_frame_t *	from_frame
	)

Definition at line 579 of file esp_encrypt.c.

Here is the call graph for this function:

esp6_encrypt_tun_node()

VLIB_NODE_FN() esp6_encrypt_tun_node	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		vlib_frame_t *	from_frame
	)

Definition at line 650 of file esp_encrypt.c.

Here is the call graph for this function:

esp6_no_crypto_tun_node()

VLIB_NODE_FN() esp6_no_crypto_tun_node	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		vlib_frame_t *	from_frame
	)

Definition at line 791 of file esp_encrypt.c.

Here is the call graph for this function:

esp_add_footer_and_icv()

static_always_inline u8* esp_add_footer_and_icv	(	vlib_buffer_t *	b,
		u8	block_size,
		u8	icv_sz,
		u16 *	next,
		vlib_node_runtime_t *	node,
		u16	buffer_data_size
	)

Definition at line 94 of file esp_encrypt.c.

Here is the call graph for this function:

Here is the caller graph for this function:

esp_encrypt_inline()

static uword esp_encrypt_inline ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  frame, int  is_ip6, int  is_tun  )

inlinestatic

Definition at line 240 of file esp_encrypt.c.

Here is the call graph for this function:

Here is the caller graph for this function:

esp_fill_udp_hdr()

static_always_inline void esp_fill_udp_hdr	(	ipsec_sa_t *	sa,
		udp_header_t *	udp,
		u16	len
	)

Definition at line 155 of file esp_encrypt.c.

Here is the caller graph for this function:

esp_get_ip6_hdr_len()

static_always_inline u8 esp_get_ip6_hdr_len

(

ip6_header_t *

ip6

)

Definition at line 180 of file esp_encrypt.c.

Here is the call graph for this function:

Here is the caller graph for this function:

esp_no_crypto_inline()

static uword esp_no_crypto_inline ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  frame  )

inlinestatic

Definition at line 722 of file esp_encrypt.c.

Here is the call graph for this function:

Here is the caller graph for this function:

esp_process_ops()

static_always_inline void esp_process_ops	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		vnet_crypto_op_t *	ops,
		vlib_buffer_t *	b[],
		u16 *	nexts
	)

Definition at line 205 of file esp_encrypt.c.

Here is the call graph for this function:

Here is the caller graph for this function:

esp_update_ip4_hdr()

static_always_inline void esp_update_ip4_hdr	(	ip4_header_t *	ip4,
		u16	len,
		int	is_transport,
		int	is_udp
	)

Definition at line 129 of file esp_encrypt.c.

Here is the call graph for this function:

Here is the caller graph for this function:

ext_hdr_is_pre_esp()

static_always_inline u8 ext_hdr_is_pre_esp

(

u8

nexthdr

)

Definition at line 162 of file esp_encrypt.c.

Here is the caller graph for this function:

format_esp_encrypt_trace()

static u8* format_esp_encrypt_trace ( u8 *  s, va_list *  args  )

static

Definition at line 76 of file esp_encrypt.c.

Here is the call graph for this function:

format_esp_no_crypto_trace()

static u8* format_esp_no_crypto_trace ( u8 *  s, va_list *  args  )

static

Definition at line 695 of file esp_encrypt.c.

Here is the call graph for this function:

STATIC_ASSERT_SIZEOF()

STATIC_ASSERT_SIZEOF	(	esp_gcm_nonce_t	,
		12
	)

VNET_FEATURE_INIT() [1/7]

VNET_FEATURE_INIT	(	esp4_encrypt_tun_feat_node	,
		static
	)

VNET_FEATURE_INIT() [2/7]

VNET_FEATURE_INIT	(	esp6o4_encrypt_tun_feat_node	,
		static
	)

VNET_FEATURE_INIT() [3/7]

VNET_FEATURE_INIT	(	esp4_ethernet_encrypt_tun_feat_node	,
		static
	)

VNET_FEATURE_INIT() [4/7]

VNET_FEATURE_INIT	(	esp6_encrypt_tun_feat_node	,
		static
	)

VNET_FEATURE_INIT() [5/7]

VNET_FEATURE_INIT	(	esp4o6_encrypt_tun_feat_node	,
		static
	)

VNET_FEATURE_INIT() [6/7]

VNET_FEATURE_INIT	(	esp4_no_crypto_tun_feat_node	,
		static
	)

VNET_FEATURE_INIT() [7/7]

VNET_FEATURE_INIT	(	esp6_no_crypto_tun_feat_node	,
		static
	)

Variable Documentation

esp4_encrypt_node

vlib_node_registration_t esp4_encrypt_node

Initial value:

= {
  .name = "esp4-encrypt",
  .vector_size = sizeof (u32),
  .format_trace = format_esp_encrypt_trace,
  .type = VLIB_NODE_TYPE_INTERNAL,

  .n_errors = ARRAY_LEN(esp_encrypt_error_strings),
  .error_strings = esp_encrypt_error_strings,

  .n_next_nodes = ESP_ENCRYPT_N_NEXT,
  .next_nodes = {
#define _(s,n) 
    foreach_esp_encrypt_next

  },
}

(constructor) VLIB_REGISTER_NODE (esp4_encrypt_node)

Definition at line 561 of file esp_encrypt.c.

esp4_encrypt_tun_node

vlib_node_registration_t esp4_encrypt_tun_node

Initial value:

= {
  .name = "esp4-encrypt-tun",
  .vector_size = sizeof (u32),
  .format_trace = format_esp_encrypt_trace,
  .type = VLIB_NODE_TYPE_INTERNAL,

  .n_errors = ARRAY_LEN(esp_encrypt_error_strings),
  .error_strings = esp_encrypt_error_strings,

  .n_next_nodes = 1,
  .next_nodes = {
    [ESP_ENCRYPT_NEXT_DROP] = "ip4-drop",
  },
}

(constructor) VLIB_REGISTER_NODE (esp4_encrypt_tun_node)

Definition at line 613 of file esp_encrypt.c.

esp4_no_crypto_tun_node

vlib_node_registration_t esp4_no_crypto_tun_node

Initial value:

=
{
  .name = "esp4-no-crypto",
  .vector_size = sizeof (u32),
  .format_trace = format_esp_no_crypto_trace,
  .n_errors = ARRAY_LEN(esp_no_crypto_error_strings),
  .error_strings = esp_no_crypto_error_strings,
  .n_next_nodes = ESP_NO_CRYPTO_N_NEXT,
  .next_nodes = {
    [ESP_NO_CRYPTO_NEXT_DROP] = "ip4-drop",
  },
}

(constructor) VLIB_REGISTER_NODE (esp4_no_crypto_tun_node)

Definition at line 771 of file esp_encrypt.c.

esp6_encrypt_node

vlib_node_registration_t esp6_encrypt_node

Initial value:

= {
  .name = "esp6-encrypt",
  .vector_size = sizeof (u32),
  .format_trace = format_esp_encrypt_trace,
  .type = VLIB_NODE_TYPE_INTERNAL,

  .n_errors = ARRAY_LEN(esp_encrypt_error_strings),
  .error_strings = esp_encrypt_error_strings,

  .n_next_nodes = ESP_ENCRYPT_N_NEXT,
  .next_nodes = {
#define _(s,n) 
    foreach_esp_encrypt_next

  },
}

(constructor) VLIB_REGISTER_NODE (esp6_encrypt_node)

Definition at line 587 of file esp_encrypt.c.

esp6_encrypt_tun_node

vlib_node_registration_t esp6_encrypt_tun_node

Initial value:

= {
  .name = "esp6-encrypt-tun",
  .vector_size = sizeof (u32),
  .format_trace = format_esp_encrypt_trace,
  .type = VLIB_NODE_TYPE_INTERNAL,

  .n_errors = ARRAY_LEN(esp_encrypt_error_strings),
  .error_strings = esp_encrypt_error_strings,

  .n_next_nodes = 1,
  .next_nodes = {
    [ESP_ENCRYPT_NEXT_DROP] = "ip6-drop",
  },
}

(constructor) VLIB_REGISTER_NODE (esp6_encrypt_tun_node)

Definition at line 658 of file esp_encrypt.c.

esp6_no_crypto_tun_node

vlib_node_registration_t esp6_no_crypto_tun_node

Initial value:

=
{
  .name = "esp6-no-crypto",
  .vector_size = sizeof (u32),
  .format_trace = format_esp_no_crypto_trace,
  .n_errors = ARRAY_LEN(esp_no_crypto_error_strings),
  .error_strings = esp_no_crypto_error_strings,
  .n_next_nodes = ESP_NO_CRYPTO_N_NEXT,
  .next_nodes = {
    [ESP_NO_CRYPTO_NEXT_DROP] = "ip6-drop",
  },
}

(constructor) VLIB_REGISTER_NODE (esp6_no_crypto_tun_node)

Definition at line 799 of file esp_encrypt.c.

esp_encrypt_error_strings

char* esp_encrypt_error_strings[]

static

Initial value:

= {
#define _(sym,string) 
  foreach_esp_encrypt_error

}

Definition at line 57 of file esp_encrypt.c.

esp_no_crypto_error_strings

char* esp_no_crypto_error_strings[]

static

Initial value:

= {
  "Outbound ESP packets received",
}

Definition at line 717 of file esp_encrypt.c.