dataplane_node.c File Reference

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Data Structures
struct	acl_fa_trace_t

Macros
#define	foreach_acl_fa_error
#define	ACL_PLUGIN_VECTOR_SIZE   4
#define	ACL_PLUGIN_PREFETCH_GAP   3

Enumerations
enum	acl_fa_error_t { ACL_FA_N_ERROR, ACL_FA_N_ERROR }

Functions
static u16	get_current_policy_epoch (acl_main_t *am, int is_input, u32 sw_if_index0)
static void	maybe_trace_buffer (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_buffer_t *b, u32 sw_if_index0, u32 lc_index0, u16 next0, int match_acl_in_index, int match_rule_index, fa_5tuple_t *fa_5tuple, u8 action, u32 trace_bitmap)
static int	stale_session_deleted (acl_main_t *am, int is_input, acl_fa_per_worker_data_t *pw, u64 now, u32 sw_if_index0, fa_full_session_id_t f_sess_id)
static void	get_sw_if_index_xN (int vector_sz, int is_input, vlib_buffer_t **b, u32 *out_sw_if_index)
static void	fill_5tuple_xN (int vector_sz, acl_main_t *am, int is_ip6, int is_input, int is_l2_path, vlib_buffer_t **b, u32 *sw_if_index, fa_5tuple_t *out_fa_5tuple)
static void	make_session_hash_xN (int vector_sz, acl_main_t *am, int is_ip6, u32 *sw_if_index, fa_5tuple_t *fa_5tuple, u64 *out_hash)
static void	prefetch_session_entry (acl_main_t *am, fa_full_session_id_t f_sess_id)
static u8	process_established_session (vlib_main_t *vm, acl_main_t *am, u32 counter_node_index, int is_input, u64 now, fa_full_session_id_t f_sess_id, u32 *sw_if_index, fa_5tuple_t *fa_5tuple, u32 pkt_len, int node_trace_on, u32 *trace_bitmap)
static void	acl_fa_node_common_prepare_fn (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame, int is_ip6, int is_input, int is_l2_path, int with_stateful_datapath)
static uword	acl_fa_inner_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame, int is_ip6, int is_input, int is_l2_path, int with_stateful_datapath, int node_trace_on, int reclassify_sessions)
static uword	acl_fa_outer_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame, int is_ip6, int is_input, int is_l2_path, int do_stateful_datapath)
static uword	acl_fa_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame, int is_ip6, int is_input, int is_l2_path)
static u8 *	format_fa_5tuple (u8 *s, va_list *args)
u8 *	format_acl_plugin_5tuple (u8 *s, va_list *args)
static u8 *	format_acl_plugin_trace (u8 *s, va_list *args)
VLIB_NODE_FN()	acl_in_l2_ip6_node (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
VLIB_NODE_FN()	acl_in_l2_ip4_node (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
VLIB_NODE_FN()	acl_out_l2_ip6_node (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
VLIB_NODE_FN()	acl_out_l2_ip4_node (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
VLIB_NODE_FN()	acl_in_fa_ip6_node (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
VLIB_NODE_FN()	acl_in_fa_ip4_node (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
VLIB_NODE_FN()	acl_out_fa_ip6_node (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
VLIB_NODE_FN()	acl_out_fa_ip4_node (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
	VNET_FEATURE_INIT (acl_in_l2_ip6_fa_feature, static)
	VNET_FEATURE_INIT (acl_in_l2_ip4_fa_feature, static)
	VNET_FEATURE_INIT (acl_out_l2_ip6_fa_feature, static)
	VNET_FEATURE_INIT (acl_out_l2_ip4_fa_feature, static)
	VNET_FEATURE_INIT (acl_in_ip6_fa_feature, static)
	VNET_FEATURE_INIT (acl_in_ip4_fa_feature, static)
	VNET_FEATURE_INIT (acl_out_ip6_fa_feature, static)
	VNET_FEATURE_INIT (acl_out_ip4_fa_feature, static)

Variables
static char *	acl_fa_error_strings []
vlib_node_registration_t	acl_in_l2_ip6_node
	(constructor) VLIB_REGISTER_NODE (acl_in_l2_ip6_node) More...
vlib_node_registration_t	acl_in_l2_ip4_node
	(constructor) VLIB_REGISTER_NODE (acl_in_l2_ip4_node) More...
vlib_node_registration_t	acl_out_l2_ip6_node
	(constructor) VLIB_REGISTER_NODE (acl_out_l2_ip6_node) More...
vlib_node_registration_t	acl_out_l2_ip4_node
	(constructor) VLIB_REGISTER_NODE (acl_out_l2_ip4_node) More...
vlib_node_registration_t	acl_in_fa_ip6_node
	(constructor) VLIB_REGISTER_NODE (acl_in_fa_ip6_node) More...
vlib_node_registration_t	acl_in_fa_ip4_node
	(constructor) VLIB_REGISTER_NODE (acl_in_fa_ip4_node) More...
vlib_node_registration_t	acl_out_fa_ip6_node
	(constructor) VLIB_REGISTER_NODE (acl_out_fa_ip6_node) More...
vlib_node_registration_t	acl_out_fa_ip4_node
	(constructor) VLIB_REGISTER_NODE (acl_out_fa_ip4_node) More...

Macro Definition Documentation

ACL_PLUGIN_PREFETCH_GAP

#define ACL_PLUGIN_PREFETCH_GAP   3

Definition at line 231 of file dataplane_node.c.

ACL_PLUGIN_VECTOR_SIZE

#define ACL_PLUGIN_VECTOR_SIZE   4

Definition at line 230 of file dataplane_node.c.

foreach_acl_fa_error

#define foreach_acl_fa_error

Value:

_(ACL_DROP, "ACL deny packets")  \
_(ACL_PERMIT, "ACL permit packets")  \
_(ACL_NEW_SESSION, "new sessions added") \
_(ACL_EXIST_SESSION, "existing session packets") \
_(ACL_CHECK, "checked packets") \
_(ACL_RESTART_SESSION_TIMER, "restart session timer") \
_(ACL_TOO_MANY_SESSIONS, "too many sessions to add new") \
/* end  of errors */

Definition at line 48 of file dataplane_node.c.

Enumeration Type Documentation

acl_fa_error_t

enum acl_fa_error_t

Enumerator
ACL_FA_N_ERROR
ACL_FA_N_ERROR

Definition at line 58 of file dataplane_node.c.

Function Documentation

acl_fa_inner_node_fn()

static uword acl_fa_inner_node_fn ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  frame, int  is_ip6, int  is_input, int  is_l2_path, int  with_stateful_datapath, int  node_trace_on, int  reclassify_sessions  )

inlinestatic

Definition at line 323 of file dataplane_node.c.

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acl_fa_node_common_prepare_fn()

static void acl_fa_node_common_prepare_fn ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  frame, int  is_ip6, int  is_input, int  is_l2_path, int  with_stateful_datapath  )

inlinestatic

Definition at line 234 of file dataplane_node.c.

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acl_fa_node_fn()

static uword acl_fa_node_fn ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  frame, int  is_ip6, int  is_input, int  is_l2_path  )

inlinestatic

Definition at line 641 of file dataplane_node.c.

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acl_fa_outer_node_fn()

static uword acl_fa_outer_node_fn ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  frame, int  is_ip6, int  is_input, int  is_l2_path, int  do_stateful_datapath  )

inlinestatic

Definition at line 605 of file dataplane_node.c.

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acl_in_fa_ip4_node()

VLIB_NODE_FN() acl_in_fa_ip4_node	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		vlib_frame_t *	frame
	)

Definition at line 776 of file dataplane_node.c.

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acl_in_fa_ip6_node()

VLIB_NODE_FN() acl_in_fa_ip6_node	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		vlib_frame_t *	frame
	)

Definition at line 769 of file dataplane_node.c.

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acl_in_l2_ip4_node()

VLIB_NODE_FN() acl_in_l2_ip4_node	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		vlib_frame_t *	frame
	)

Definition at line 746 of file dataplane_node.c.

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acl_in_l2_ip6_node()

VLIB_NODE_FN() acl_in_l2_ip6_node	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		vlib_frame_t *	frame
	)

Definition at line 739 of file dataplane_node.c.

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acl_out_fa_ip4_node()

VLIB_NODE_FN() acl_out_fa_ip4_node	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		vlib_frame_t *	frame
	)

Definition at line 790 of file dataplane_node.c.

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acl_out_fa_ip6_node()

VLIB_NODE_FN() acl_out_fa_ip6_node	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		vlib_frame_t *	frame
	)

Definition at line 783 of file dataplane_node.c.

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acl_out_l2_ip4_node()

VLIB_NODE_FN() acl_out_l2_ip4_node	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		vlib_frame_t *	frame
	)

Definition at line 760 of file dataplane_node.c.

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acl_out_l2_ip6_node()

VLIB_NODE_FN() acl_out_l2_ip6_node	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		vlib_frame_t *	frame
	)

Definition at line 753 of file dataplane_node.c.

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fill_5tuple_xN()

static void fill_5tuple_xN ( int  vector_sz, acl_main_t *  am, int  is_ip6, int  is_input, int  is_l2_path, vlib_buffer_t **  b, u32 *  sw_if_index, fa_5tuple_t *  out_fa_5tuple  )

inlinestatic

Definition at line 153 of file dataplane_node.c.

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format_acl_plugin_5tuple()

u8* format_acl_plugin_5tuple	(	u8 *	s,
		va_list *	args
	)

Definition at line 703 of file dataplane_node.c.

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format_acl_plugin_trace()

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

static

Definition at line 711 of file dataplane_node.c.

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format_fa_5tuple()

static u8* format_fa_5tuple ( u8 *  s, va_list *  args  )

static

Definition at line 664 of file dataplane_node.c.

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get_current_policy_epoch()

static u16 get_current_policy_epoch ( acl_main_t *  am, int  is_input, u32  sw_if_index0  )

inlinestatic

Definition at line 69 of file dataplane_node.c.

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get_sw_if_index_xN()

static void get_sw_if_index_xN ( int  vector_sz, int  is_input, vlib_buffer_t **  b, u32 *  out_sw_if_index  )

inlinestatic

Definition at line 141 of file dataplane_node.c.

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make_session_hash_xN()

static void make_session_hash_xN ( int  vector_sz, acl_main_t *  am, int  is_ip6, u32 *  sw_if_index, fa_5tuple_t *  fa_5tuple, u64 *  out_hash  )

inlinestatic

Definition at line 164 of file dataplane_node.c.

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maybe_trace_buffer()

static void maybe_trace_buffer ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_buffer_t *  b, u32  sw_if_index0, u32  lc_index0, u16  next0, int  match_acl_in_index, int  match_rule_index, fa_5tuple_t *  fa_5tuple, u8  action, u32  trace_bitmap  )

inlinestatic

Definition at line 82 of file dataplane_node.c.

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prefetch_session_entry()

static void prefetch_session_entry ( acl_main_t *  am, fa_full_session_id_t  f_sess_id  )

inlinestatic

Definition at line 175 of file dataplane_node.c.

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process_established_session()

static u8 process_established_session ( vlib_main_t *  vm, acl_main_t *  am, u32  counter_node_index, int  is_input, u64  now, fa_full_session_id_t  f_sess_id, u32 *  sw_if_index, fa_5tuple_t *  fa_5tuple, u32  pkt_len, int  node_trace_on, u32 *  trace_bitmap  )

inlinestatic

Definition at line 183 of file dataplane_node.c.

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stale_session_deleted()

static int stale_session_deleted ( acl_main_t *  am, int  is_input, acl_fa_per_worker_data_t *  pw, u64  now, u32  sw_if_index0, fa_full_session_id_t  f_sess_id  )

inlinestatic

Definition at line 108 of file dataplane_node.c.

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VNET_FEATURE_INIT() [1/8]

VNET_FEATURE_INIT	(	acl_in_l2_ip6_fa_feature	,
		static
	)

VNET_FEATURE_INIT() [2/8]

VNET_FEATURE_INIT	(	acl_in_l2_ip4_fa_feature	,
		static
	)

VNET_FEATURE_INIT() [3/8]

VNET_FEATURE_INIT	(	acl_out_l2_ip6_fa_feature	,
		static
	)

VNET_FEATURE_INIT() [4/8]

VNET_FEATURE_INIT	(	acl_out_l2_ip4_fa_feature	,
		static
	)

VNET_FEATURE_INIT() [5/8]

VNET_FEATURE_INIT	(	acl_in_ip6_fa_feature	,
		static
	)

VNET_FEATURE_INIT() [6/8]

VNET_FEATURE_INIT	(	acl_in_ip4_fa_feature	,
		static
	)

VNET_FEATURE_INIT() [7/8]

VNET_FEATURE_INIT	(	acl_out_ip6_fa_feature	,
		static
	)

VNET_FEATURE_INIT() [8/8]

VNET_FEATURE_INIT	(	acl_out_ip4_fa_feature	,
		static
	)

Variable Documentation

acl_fa_error_strings

char* acl_fa_error_strings[]

static

Initial value:

= {
#define _(sym,string) 
  foreach_acl_fa_error

}

Definition at line 733 of file dataplane_node.c.

acl_in_fa_ip4_node

vlib_node_registration_t acl_in_fa_ip4_node

Initial value:

=
{
  .name = "acl-plugin-in-ip4-fa",
  .vector_size = sizeof (u32),
  .format_trace = format_acl_plugin_trace,
  .type = VLIB_NODE_TYPE_INTERNAL,
  .n_errors = ARRAY_LEN (acl_fa_error_strings),
  .error_strings = acl_fa_error_strings,
  .n_next_nodes = ACL_FA_N_NEXT,
  .next_nodes =
  {
    [ACL_FA_ERROR_DROP] = "error-drop",
  }
}

(constructor) VLIB_REGISTER_NODE (acl_in_fa_ip4_node)

Definition at line 910 of file dataplane_node.c.

acl_in_fa_ip6_node

vlib_node_registration_t acl_in_fa_ip6_node

Initial value:

=
{
  .name = "acl-plugin-in-ip6-fa",
  .vector_size = sizeof (u32),
  .format_trace = format_acl_plugin_trace,
  .type = VLIB_NODE_TYPE_INTERNAL,
  .n_errors = ARRAY_LEN (acl_fa_error_strings),
  .error_strings = acl_fa_error_strings,
  .n_next_nodes = ACL_FA_N_NEXT,
  .next_nodes =
  {
    [ACL_FA_ERROR_DROP] = "error-drop",
  }
}

(constructor) VLIB_REGISTER_NODE (acl_in_fa_ip6_node)

Definition at line 888 of file dataplane_node.c.

acl_in_l2_ip4_node

vlib_node_registration_t acl_in_l2_ip4_node

Initial value:

=
{
  .name = "acl-plugin-in-ip4-l2",
  .vector_size = sizeof (u32),
  .format_trace = format_acl_plugin_trace,
  .type = VLIB_NODE_TYPE_INTERNAL,
  .n_errors = ARRAY_LEN (acl_fa_error_strings),
  .error_strings = acl_fa_error_strings,
  .n_next_nodes = ACL_FA_N_NEXT,
  .next_nodes =
  {
    [ACL_FA_ERROR_DROP] = "error-drop",
  }
}

(constructor) VLIB_REGISTER_NODE (acl_in_l2_ip4_node)

Definition at line 819 of file dataplane_node.c.

acl_in_l2_ip6_node

vlib_node_registration_t acl_in_l2_ip6_node

Initial value:

=
{
  .name = "acl-plugin-in-ip6-l2",
  .vector_size = sizeof (u32),
  .format_trace = format_acl_plugin_trace,
  .type = VLIB_NODE_TYPE_INTERNAL,
  .n_errors = ARRAY_LEN (acl_fa_error_strings),
  .error_strings = acl_fa_error_strings,
  .n_next_nodes = ACL_FA_N_NEXT,
  .next_nodes =
  {
    [ACL_FA_ERROR_DROP] = "error-drop",
  }
}

(constructor) VLIB_REGISTER_NODE (acl_in_l2_ip6_node)

Definition at line 797 of file dataplane_node.c.

acl_out_fa_ip4_node

vlib_node_registration_t acl_out_fa_ip4_node

Initial value:

=
{
  .name = "acl-plugin-out-ip4-fa",
  .vector_size = sizeof (u32),
  .format_trace = format_acl_plugin_trace,
  .type = VLIB_NODE_TYPE_INTERNAL,
  .n_errors = ARRAY_LEN (acl_fa_error_strings),
  .error_strings = acl_fa_error_strings,
  .n_next_nodes = ACL_FA_N_NEXT,
    
  .next_nodes =
  {
    [ACL_FA_ERROR_DROP] = "error-drop",
  }
}

(constructor) VLIB_REGISTER_NODE (acl_out_fa_ip4_node)

Definition at line 955 of file dataplane_node.c.

acl_out_fa_ip6_node

vlib_node_registration_t acl_out_fa_ip6_node

Initial value:

=
{
  .name = "acl-plugin-out-ip6-fa",
  .vector_size = sizeof (u32),
  .format_trace = format_acl_plugin_trace,
  .type = VLIB_NODE_TYPE_INTERNAL,
  .n_errors = ARRAY_LEN (acl_fa_error_strings),
  .error_strings = acl_fa_error_strings,
  .n_next_nodes = ACL_FA_N_NEXT,
  .next_nodes =
  {
    [ACL_FA_ERROR_DROP] = "error-drop",
  }
}

(constructor) VLIB_REGISTER_NODE (acl_out_fa_ip6_node)

Definition at line 933 of file dataplane_node.c.

acl_out_l2_ip4_node

vlib_node_registration_t acl_out_l2_ip4_node

Initial value:

=
{
  .name = "acl-plugin-out-ip4-l2",
  .vector_size = sizeof (u32),
  .format_trace = format_acl_plugin_trace,
  .type = VLIB_NODE_TYPE_INTERNAL,
  .n_errors = ARRAY_LEN (acl_fa_error_strings),
  .error_strings = acl_fa_error_strings,
  .n_next_nodes = ACL_FA_N_NEXT,
  .next_nodes =
  {
    [ACL_FA_ERROR_DROP] = "error-drop",
  }
}

(constructor) VLIB_REGISTER_NODE (acl_out_l2_ip4_node)

Definition at line 865 of file dataplane_node.c.

acl_out_l2_ip6_node

vlib_node_registration_t acl_out_l2_ip6_node

Initial value:

=
{
  .name = "acl-plugin-out-ip6-l2",
  .vector_size = sizeof (u32),
  .format_trace = format_acl_plugin_trace,
  .type = VLIB_NODE_TYPE_INTERNAL,
  .n_errors = ARRAY_LEN (acl_fa_error_strings),
  .error_strings = acl_fa_error_strings,
  .n_next_nodes = ACL_FA_N_NEXT,
  .next_nodes =
  {
    [ACL_FA_ERROR_DROP] = "error-drop",
  }
}

(constructor) VLIB_REGISTER_NODE (acl_out_l2_ip6_node)

Definition at line 842 of file dataplane_node.c.