tcp_syn_filter4.c File Reference

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Data Structures
struct	syn_filter4_runtime_t
struct	syn_filter4_trace_t

Macros
#define	foreach_syn_filter_error

Enumerations
enum	syn_filter_error_t { SYN_FILTER_N_ERROR }
enum	syn_filter_next_t { SYN_FILTER_NEXT_DROP, SYN_FILTER_N_NEXT }

Functions
static u8 *	format_syn_filter4_trace (u8 *s, va_list *args)
static uword	syn_filter4_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
	VLIB_NODE_FUNCTION_MULTIARCH (syn_filter4_node, syn_filter4_node_fn)
	VNET_FEATURE_INIT (syn_filter_4, static)
int	syn_filter_enable_disable (u32 sw_if_index, int enable_disable)
static clib_error_t *	syn_filter_enable_disable_command_fn (vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)

Variables
static vlib_node_registration_t	syn_filter4_node
	(constructor) VLIB_REGISTER_NODE (syn_filter4_node) More...
static char *	syn_filter4_error_strings []
vnet_feature_arc_registration_t	vnet_feat_arc_ip4_local
static vlib_cli_command_t	sr_content_command
	(constructor) VLIB_CLI_COMMAND (sr_content_command) More...

Macro Definition Documentation

#define foreach_syn_filter_error

Value:

_(THROTTLED, "TCP SYN packet throttle drops")   \
_(OK, "TCP SYN packets passed")

Definition at line 57 of file tcp_syn_filter4.c.

Enumeration Type Documentation

enum syn_filter_error_t

Enumerator
SYN_FILTER_N_ERROR

Definition at line 61 of file tcp_syn_filter4.c.

enum syn_filter_next_t

Enumerator
SYN_FILTER_NEXT_DROP
SYN_FILTER_N_NEXT

Definition at line 75 of file tcp_syn_filter4.c.

Function Documentation

static u8* format_syn_filter4_trace ( u8 *  s, va_list *  args  )

static

Definition at line 40 of file tcp_syn_filter4.c.

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static uword syn_filter4_node_fn ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  frame  )

static

Definition at line 84 of file tcp_syn_filter4.c.

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int syn_filter_enable_disable	(	u32	sw_if_index,
		int	enable_disable
	)

Definition at line 436 of file tcp_syn_filter4.c.

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static clib_error_t* syn_filter_enable_disable_command_fn ( vlib_main_t *  vm, unformat_input_t *  input, vlib_cli_command_t *  cmd  )

static

Definition at line 477 of file tcp_syn_filter4.c.

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VLIB_NODE_FUNCTION_MULTIARCH	(	syn_filter4_node	,
		syn_filter4_node_fn
	)

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VNET_FEATURE_INIT	(	syn_filter_4	,
		static
	)

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Variable Documentation

vlib_cli_command_t sr_content_command

static

Initial value:

=
{
  .path = "ip syn filter",
  .short_help = "ip syn filter <interface-name> [disable]",
  .function = syn_filter_enable_disable_command_fn,
}

(constructor) VLIB_CLI_COMMAND (sr_content_command)

Definition at line 531 of file tcp_syn_filter4.c.

char* syn_filter4_error_strings[]

static

Initial value:

= {
#define _(sym,string) 
  foreach_syn_filter_error

}

Definition at line 69 of file tcp_syn_filter4.c.

static vlib_node_registration_t syn_filter4_node

static

Initial value:

=
{
  .function = syn_filter4_node_fn,
  .name = "syn-filter-4",
  .vector_size = sizeof (u32),
  .format_trace = format_syn_filter4_trace,
  .type = VLIB_NODE_TYPE_INTERNAL,

  .runtime_data_bytes = sizeof (syn_filter4_runtime_t),
  .n_errors = ARRAY_LEN(syn_filter4_error_strings),
  .error_strings = syn_filter4_error_strings,

  .n_next_nodes = SYN_FILTER_N_NEXT,

  
  .next_nodes = {
    [SYN_FILTER_NEXT_DROP] = "error-drop",
  },
}

(constructor) VLIB_REGISTER_NODE (syn_filter4_node)

Definition at line 55 of file tcp_syn_filter4.c.

vnet_feature_arc_registration_t vnet_feat_arc_ip4_local