ip_frag.h File Reference

Include dependency graph for ip_frag.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Macros
#define	IP_FRAG_FLAG_IP4_HEADER   0x01
#define	IP_FRAG_FLAG_IP6_HEADER   0x02
#define	IP4_FRAG_NODE_NAME   "ip4-frag"
#define	IP6_FRAG_NODE_NAME   "ip6-frag"
#define	foreach_ip_frag_error

Enumerations
enum	ip_frag_next_t {   IP_FRAG_NEXT_IP_REWRITE, IP_FRAG_NEXT_IP_REWRITE_MIDCHAIN, IP_FRAG_NEXT_IP4_LOOKUP, IP_FRAG_NEXT_IP6_LOOKUP,   IP_FRAG_NEXT_ICMP_ERROR, IP_FRAG_NEXT_DROP, IP_FRAG_N_NEXT }
enum	ip_frag_error_t { IP_FRAG_N_ERROR }

Functions
void	ip_frag_set_vnet_buffer (vlib_buffer_t *b, u16 mtu, u8 next_index, u8 flags)
ip_frag_error_t	ip4_frag_do_fragment (vlib_main_t *vm, u32 from_bi, u16 mtu, u16 encapsize, u32 **buffer)
ip_frag_error_t	ip6_frag_do_fragment (vlib_main_t *vm, u32 from_bi, u16 mtu, u16 encapsize, u32 **buffer)

Variables
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...

Macro Definition Documentation

foreach_ip_frag_error

#define foreach_ip_frag_error

Value:

/* Must be first. */                                    \
 _(NONE, "packet fragmented")                           \
 _(SMALL_PACKET, "packet smaller than MTU")             \
 _(FRAGMENT_SENT, "number of sent fragments")           \
 _(CANT_FRAGMENT_HEADER, "can't fragment header")       \
 _(DONT_FRAGMENT_SET, "can't fragment this packet")     \
 _(MALFORMED, "malformed packet")                       \
 _(MEMORY, "could not allocate buffer")                 \
 _(UNKNOWN, "unknown error")

Definition at line 60 of file ip_frag.h.

IP4_FRAG_NODE_NAME

#define IP4_FRAG_NODE_NAME   "ip4-frag"

Definition at line 43 of file ip_frag.h.

IP6_FRAG_NODE_NAME

#define IP6_FRAG_NODE_NAME   "ip6-frag"

Definition at line 44 of file ip_frag.h.

IP_FRAG_FLAG_IP4_HEADER

#define IP_FRAG_FLAG_IP4_HEADER   0x01

Definition at line 40 of file ip_frag.h.

IP_FRAG_FLAG_IP6_HEADER

#define IP_FRAG_FLAG_IP6_HEADER   0x02

Definition at line 41 of file ip_frag.h.

Enumeration Type Documentation

ip_frag_error_t

enum ip_frag_error_t

Enumerator
IP_FRAG_N_ERROR

Definition at line 71 of file ip_frag.h.

ip_frag_next_t

enum ip_frag_next_t

Enumerator
IP_FRAG_NEXT_IP_REWRITE
IP_FRAG_NEXT_IP_REWRITE_MIDCHAIN
IP_FRAG_NEXT_IP4_LOOKUP
IP_FRAG_NEXT_IP6_LOOKUP
IP_FRAG_NEXT_ICMP_ERROR
IP_FRAG_NEXT_DROP
IP_FRAG_N_NEXT

Definition at line 49 of file ip_frag.h.

Function Documentation

ip4_frag_do_fragment()

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

Definition at line 94 of file ip_frag.c.

Here is the call graph for this function:

Here is the caller graph for this function:

ip6_frag_do_fragment()

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

Definition at line 382 of file ip_frag.c.

Here is the call graph for this function:

Here is the caller graph for this function:

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.

Here is the caller graph for this function:

Variable Documentation

ip4_frag_node

vlib_node_registration_t ip4_frag_node

(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

(constructor) VLIB_REGISTER_NODE (ip6_frag_node)

Definition at line 536 of file ip_frag.c.