ip4.h File Reference

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Data Structures
struct	ip4_mfib_t
struct	ip4_add_del_interface_address_callback_t
struct	ip4_main_t
	IPv4 main type. More...

Macros
#define	IP_DF   0x4000 /* don't fragment */

Typedefs
typedef struct ip4_mfib_t	ip4_mfib_t
typedef void(	ip4_add_del_interface_address_function_t) (struct ip4_main_t *im, uword opaque, u32 sw_if_index, ip4_address_t *address, u32 address_length, u32 if_address_index, u32 is_del)
typedef struct ip4_main_t	ip4_main_t
	IPv4 main type. More...

Functions
static uword	ip4_destination_matches_route (const ip4_main_t *im, const ip4_address_t *key, const ip4_address_t *dest, uword dest_length)
static uword	ip4_destination_matches_interface (ip4_main_t *im, ip4_address_t *key, ip_interface_address_t *ia)
static uword	ip4_unaligned_destination_matches_route (ip4_main_t *im, ip4_address_t *key, ip4_address_t *dest, uword dest_length)
static int	ip4_src_address_for_packet (ip_lookup_main_t *lm, u32 sw_if_index, ip4_address_t *src)
static ip4_address_t *	ip4_interface_address_matching_destination (ip4_main_t *im, ip4_address_t *dst, u32 sw_if_index, ip_interface_address_t **result_ia)
ip4_address_t *	ip4_interface_first_address (ip4_main_t *im, u32 sw_if_index, ip_interface_address_t **result_ia)
clib_error_t *	ip4_add_del_interface_address (vlib_main_t *vm, u32 sw_if_index, ip4_address_t *address, u32 address_length, u32 is_del)
void	ip4_sw_interface_enable_disable (u32 sw_if_index, u32 is_enable)
int	ip4_address_compare (ip4_address_t *a1, ip4_address_t *a2)
clib_error_t *	ip4_probe_neighbor (vlib_main_t *vm, ip4_address_t *dst, u32 sw_if_index)
clib_error_t *	ip4_set_arp_limit (u32 arp_limit)
uword	ip4_udp_register_listener (vlib_main_t *vm, u16 dst_port, u32 next_node_index)
void	ip4_icmp_register_type (vlib_main_t *vm, icmp4_type_t type, u32 node_index)
u16	ip4_tcp_udp_compute_checksum (vlib_main_t *vm, vlib_buffer_t *p0, ip4_header_t *ip0)
void	ip4_register_protocol (u32 protocol, u32 node_index)
int	vnet_set_ip4_flow_hash (u32 table_id, flow_hash_config_t flow_hash_config)
int	vnet_set_ip4_classify_intfc (vlib_main_t *vm, u32 sw_if_index, u32 table_index)
static u32	ip4_compute_flow_hash (const ip4_header_t *ip, flow_hash_config_t flow_hash_config)
void	ip4_forward_next_trace (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame, vlib_rx_or_tx_t which_adj_index)
u8 *	format_ip4_forward_next_trace (u8 *s, va_list *args)
u32	ip4_tcp_udp_validate_checksum (vlib_main_t *vm, vlib_buffer_t *p0)
static void *	vlib_buffer_push_ip4 (vlib_main_t *vm, vlib_buffer_t *b, ip4_address_t *src, ip4_address_t *dst, int proto)
	Push IPv4 header to buffer. More...

Variables
ip4_main_t	ip4_main
	Global ip4 main structure. More...
vlib_node_registration_t	ip4_input_node
	Global ip4 input node. More...
vlib_node_registration_t	ip4_lookup_node
	(constructor) VLIB_REGISTER_NODE (ip4_lookup_node) More...
vlib_node_registration_t	ip4_local_node
	(constructor) VLIB_REGISTER_NODE (ip4_local_node) More...
vlib_node_registration_t	ip4_rewrite_node
	(constructor) VLIB_REGISTER_NODE (ip4_rewrite_node) More...
vlib_node_registration_t	ip4_rewrite_mcast_node
	(constructor) VLIB_REGISTER_NODE (ip4_rewrite_mcast_node) More...
vlib_node_registration_t	ip4_rewrite_local_node
vlib_node_registration_t	ip4_arp_node
	(constructor) VLIB_REGISTER_NODE (ip4_arp_node) More...
vlib_node_registration_t	ip4_glean_node
	(constructor) VLIB_REGISTER_NODE (ip4_glean_node) More...
vlib_node_registration_t	ip4_midchain_node
	(constructor) VLIB_REGISTER_NODE (ip4_midchain_node) More...
serialize_function_t	serialize_vnet_ip4_main
serialize_function_t	unserialize_vnet_ip4_main

Macro Definition Documentation

#define IP_DF   0x4000 /* don't fragment */

Definition at line 314 of file ip4.h.

Typedef Documentation

typedef void( ip4_add_del_interface_address_function_t) (struct ip4_main_t *im, uword opaque, u32 sw_if_index, ip4_address_t *address, u32 address_length, u32 if_address_index, u32 is_del)

Definition at line 62 of file ip4.h.

typedef struct ip4_main_t ip4_main_t

IPv4 main type.

State of IPv4 VPP processing including:

• FIBs
• Feature indices used in feature topological sort
• Feature node run time references

typedef struct ip4_mfib_t ip4_mfib_t

Function Documentation

u8* format_ip4_forward_next_trace	(	u8 *	s,
		va_list *	args
	)

Definition at line 1247 of file ip4_forward.c.

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clib_error_t* ip4_add_del_interface_address	(	vlib_main_t *	vm,
		u32	sw_if_index,
		ip4_address_t *	address,
		u32	address_length,
		u32	is_del
	)

Definition at line 975 of file ip4_forward.c.

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int ip4_address_compare	(	ip4_address_t *	a1,
		ip4_address_t *	a2
	)

Definition at line 51 of file ip46_cli.c.

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static u32 ip4_compute_flow_hash ( const ip4_header_t *  ip, flow_hash_config_t  flow_hash_config  )

inlinestatic

Definition at line 272 of file ip4.h.

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static uword ip4_destination_matches_interface ( ip4_main_t *  im, ip4_address_t *  key, ip_interface_address_t *  ia  )

inlinestatic

Definition at line 161 of file ip4.h.

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static uword ip4_destination_matches_route ( const ip4_main_t *  im, const ip4_address_t *  key, const ip4_address_t *  dest, uword  dest_length  )

inlinestatic

Definition at line 153 of file ip4.h.

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void ip4_forward_next_trace	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		vlib_frame_t *	frame,
		vlib_rx_or_tx_t	which_adj_index
	)

Definition at line 1295 of file ip4_forward.c.

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void ip4_icmp_register_type	(	vlib_main_t *	vm,
		icmp4_type_t	type,
		u32	node_index
	)

Definition at line 731 of file icmp4.c.

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static ip4_address_t* ip4_interface_address_matching_destination ( ip4_main_t *  im, ip4_address_t *  dst, u32  sw_if_index, ip_interface_address_t **  result_ia  )

inlinestatic

Definition at line 203 of file ip4.h.

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ip4_address_t* ip4_interface_first_address	(	ip4_main_t *	im,
		u32	sw_if_index,
		ip_interface_address_t **	result_ia
	)

Definition at line 684 of file ip4_forward.c.

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clib_error_t* ip4_probe_neighbor	(	vlib_main_t *	vm,
		ip4_address_t *	dst,
		u32	sw_if_index
	)

Definition at line 2273 of file ip4_forward.c.

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void ip4_register_protocol	(	u32	protocol,
		u32	node_index
	)

Definition at line 1959 of file ip4_forward.c.

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clib_error_t* ip4_set_arp_limit

(

u32

arp_limit

)

Definition at line 1424 of file arp.c.

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static int ip4_src_address_for_packet ( ip_lookup_main_t *  lm, u32  sw_if_index, ip4_address_t *  src  )

inlinestatic

Definition at line 182 of file ip4.h.

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void ip4_sw_interface_enable_disable	(	u32	sw_if_index,
		u32	is_enable
	)

Definition at line 860 of file ip4_forward.c.

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u16 ip4_tcp_udp_compute_checksum	(	vlib_main_t *	vm,
		vlib_buffer_t *	p0,
		ip4_header_t *	ip0
	)

Definition at line 1445 of file ip4_forward.c.

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u32 ip4_tcp_udp_validate_checksum	(	vlib_main_t *	vm,
		vlib_buffer_t *	p0
	)

Definition at line 1500 of file ip4_forward.c.

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uword ip4_udp_register_listener	(	vlib_main_t *	vm,
		u16	dst_port,
		u32	next_node_index
	)

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static uword ip4_unaligned_destination_matches_route ( ip4_main_t *  im, ip4_address_t *  key, ip4_address_t *  dest, uword  dest_length  )

inlinestatic

Definition at line 171 of file ip4.h.

static void* vlib_buffer_push_ip4 ( vlib_main_t *  vm, vlib_buffer_t *  b, ip4_address_t *  src, ip4_address_t *  dst, int  proto  )

inlinestatic

Push IPv4 header to buffer.

This does not support fragmentation.

Parameters

vm	- vlib_main
b	- buffer to write the header to
src	- source IP
dst	- destination IP
prot	- payload proto

Returns

- pointer to start of IP header

Definition at line 330 of file ip4.h.

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int vnet_set_ip4_classify_intfc	(	vlib_main_t *	vm,
		u32	sw_if_index,
		u32	table_index
	)

Definition at line 3191 of file ip4_forward.c.

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int vnet_set_ip4_flow_hash	(	u32	table_id,
		flow_hash_config_t	flow_hash_config
	)

Definition at line 3039 of file ip4_forward.c.

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Variable Documentation

vlib_node_registration_t ip4_arp_node

(constructor) VLIB_REGISTER_NODE (ip4_arp_node)

Definition at line 2227 of file ip4_forward.c.

vlib_node_registration_t ip4_glean_node

(constructor) VLIB_REGISTER_NODE (ip4_glean_node)

Definition at line 2237 of file ip4_forward.c.

vlib_node_registration_t ip4_input_node

Global ip4 input node.

Errors get attached to ip4 input node.

Global ip4 input node.

Definition at line 416 of file ip4_input.c.

vlib_node_registration_t ip4_local_node

(constructor) VLIB_REGISTER_NODE (ip4_local_node)

Definition at line 1914 of file ip4_forward.c.

vlib_node_registration_t ip4_lookup_node

(constructor) VLIB_REGISTER_NODE (ip4_lookup_node)

Definition at line 479 of file ip4_forward.c.

ip4_main_t ip4_main

Global ip4 main structure.

Definition at line 1168 of file ip4_forward.c.

vlib_node_registration_t ip4_midchain_node

(constructor) VLIB_REGISTER_NODE (ip4_midchain_node)

Definition at line 2836 of file ip4_forward.c.

vlib_node_registration_t ip4_rewrite_local_node

vlib_node_registration_t ip4_rewrite_mcast_node

(constructor) VLIB_REGISTER_NODE (ip4_rewrite_mcast_node)

Definition at line 2816 of file ip4_forward.c.

vlib_node_registration_t ip4_rewrite_node

(constructor) VLIB_REGISTER_NODE (ip4_rewrite_node)

Definition at line 2801 of file ip4_forward.c.

serialize_function_t serialize_vnet_ip4_main

Definition at line 261 of file ip4.h.

serialize_function_t unserialize_vnet_ip4_main

Definition at line 261 of file ip4.h.