ip_frag.c File Reference

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Data Structures
struct	ip_frag_trace_t

Functions
static u8 *	format_ip_frag_trace (u8 *s, va_list *args)
static void	frag_set_sw_if_index (vlib_buffer_t *to, vlib_buffer_t *from)
static vlib_buffer_t *	frag_buffer_alloc (vlib_buffer_t *org_b, u32 *bi)
ip_frag_error_t	ip4_frag_do_fragment (vlib_main_t *vm, u32 from_bi, u16 mtu, u16 l2unfragmentablesize, u32 **buffer)
void	ip_frag_set_vnet_buffer (vlib_buffer_t *b, u16 mtu, u8 next_index, u8 flags)
static uword	frag_node_inline (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame, u32 node_index, bool is_ip6)
static uword	ip4_frag (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
static uword	ip6_frag (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
ip_frag_error_t	ip6_frag_do_fragment (vlib_main_t *vm, u32 from_bi, u16 mtu, u16 l2unfragmentablesize, u32 **buffer)

Variables
static u32	running_fragment_id
static char *	ip4_frag_error_strings []
vlib_node_registration_t	ip4_frag_node
	(constructor) VLIB_REGISTER_NODE (ip4_frag_node) More...
vlib_node_registration_t	ip6_frag_node
	(constructor) VLIB_REGISTER_NODE (ip6_frag_node) More...

Function Documentation

format_ip_frag_trace()

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

static

Definition at line 35 of file ip_frag.c.

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frag_buffer_alloc()

static vlib_buffer_t* frag_buffer_alloc ( vlib_buffer_t *  org_b, u32 *  bi  )

static

Definition at line 73 of file ip_frag.c.

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frag_node_inline()

static uword frag_node_inline ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  frame, u32  node_index, bool  is_ip6  )

inlinestatic

Definition at line 248 of file ip_frag.c.

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frag_set_sw_if_index()

static void frag_set_sw_if_index ( vlib_buffer_t *  to, vlib_buffer_t *  from  )

static

Definition at line 48 of file ip_frag.c.

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ip4_frag()

static uword ip4_frag ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  frame  )

static

Definition at line 363 of file ip_frag.c.

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ip4_frag_do_fragment()

ip_frag_error_t ip4_frag_do_fragment	(	vlib_main_t *	vm,
		u32	from_bi,
		u16	mtu,
		u16	l2unfragmentablesize,
		u32 **	buffer
	)

Definition at line 94 of file ip_frag.c.

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ip6_frag()

static uword ip6_frag ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  frame  )

static

Definition at line 370 of file ip_frag.c.

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ip6_frag_do_fragment()

ip_frag_error_t ip6_frag_do_fragment	(	vlib_main_t *	vm,
		u32	from_bi,
		u16	mtu,
		u16	l2unfragmentablesize,
		u32 **	buffer
	)

Definition at line 382 of file ip_frag.c.

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ip_frag_set_vnet_buffer()

void ip_frag_set_vnet_buffer	(	vlib_buffer_t *	b,
		u16	mtu,
		u8	next_index,
		u8	flags
	)

Definition at line 239 of file ip_frag.c.

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Variable Documentation

ip4_frag_error_strings

char* ip4_frag_error_strings[]

static

Initial value:

= {
#define _(sym,string) 
  foreach_ip_frag_error

}

Definition at line 506 of file ip_frag.c.

ip4_frag_node

vlib_node_registration_t ip4_frag_node

Initial value:

= {
  .function = ip4_frag,
  .name = IP4_FRAG_NODE_NAME,
  .vector_size = sizeof (u32),
  .format_trace = format_ip_frag_trace,
  .type = VLIB_NODE_TYPE_INTERNAL,

  .n_errors = IP_FRAG_N_ERROR,
  .error_strings = ip4_frag_error_strings,

  .n_next_nodes = IP_FRAG_N_NEXT,
  .next_nodes = {
    [IP_FRAG_NEXT_IP_REWRITE] = "ip4-rewrite",
    [IP_FRAG_NEXT_IP_REWRITE_MIDCHAIN] = "ip4-midchain",
    [IP_FRAG_NEXT_IP4_LOOKUP] = "ip4-lookup",
    [IP_FRAG_NEXT_IP6_LOOKUP] = "ip6-lookup",
    [IP_FRAG_NEXT_ICMP_ERROR] = "ip4-icmp-error",
    [IP_FRAG_NEXT_DROP] = "ip4-drop"
  },
}

(constructor) VLIB_REGISTER_NODE (ip4_frag_node)

Definition at line 513 of file ip_frag.c.

ip6_frag_node

vlib_node_registration_t ip6_frag_node

Initial value:

= {
  .function = ip6_frag,
  .name = IP6_FRAG_NODE_NAME,
  .vector_size = sizeof (u32),
  .format_trace = format_ip_frag_trace,
  .type = VLIB_NODE_TYPE_INTERNAL,

  .n_errors = IP_FRAG_N_ERROR,
  .error_strings = ip4_frag_error_strings,

  .n_next_nodes = IP_FRAG_N_NEXT,
  .next_nodes = {
    [IP_FRAG_NEXT_IP_REWRITE] = "ip6-rewrite",
    [IP_FRAG_NEXT_IP_REWRITE_MIDCHAIN] = "ip6-midchain",
    [IP_FRAG_NEXT_IP4_LOOKUP] = "ip4-lookup",
    [IP_FRAG_NEXT_IP6_LOOKUP] = "ip6-lookup",
    [IP_FRAG_NEXT_ICMP_ERROR] = "error-drop",
    [IP_FRAG_NEXT_DROP] = "ip6-drop"
  },
}

(constructor) VLIB_REGISTER_NODE (ip6_frag_node)

Definition at line 536 of file ip_frag.c.

running_fragment_id

u32 running_fragment_id

static

Definition at line 45 of file ip_frag.c.