ip4.h File Reference

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Data Structures
struct	ip4_mfib_t
struct	ip4_add_del_interface_address_callback_t
struct	ip4_enable_disable_interface_callback_t
struct	ip4_table_bind_callback_t
struct	ip4_main_t
	IPv4 main type. More...

Macros
#define	ARP_THROTTLE_BITS   (512)
#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 void()	ip4_enable_disable_interface_function_t(struct ip4_main_t *im, uword opaque, u32 sw_if_index, u32 is_enable)
typedef void()	ip4_table_bind_function_t(struct ip4_main_t *im, uword opaque, u32 sw_if_index, u32 new_fib_index, u32 old_fib_index)
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 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_directed_broadcast (u32 sw_if_index, u8 enable)
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, u8 refresh)
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)
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)
void	ip4_unregister_protocol (u32 protocolx)
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)
void	ip4_punt_policer_add_del (u8 is_add, u32 policer_index)
void	ip4_punt_redirect_add (u32 rx_sw_if_index, u32 tx_sw_if_index, ip46_address_t *nh)
void	ip4_punt_redirect_add_paths (u32 rx_sw_if_index, fib_route_path_t *paths)
void	ip4_punt_redirect_del (u32 rx_sw_if_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, u8 csum_offload)
	Push IPv4 header to buffer. More...

Variables
ip4_main_t	ip4_main
	Global ip4 main structure. More...
char *	ip4_error_strings []
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...
vlib_node_registration_t	ip4_punt_node
	(constructor) VLIB_REGISTER_NODE (ip4_punt_node) More...
serialize_function_t	serialize_vnet_ip4_main
serialize_function_t	unserialize_vnet_ip4_main

Macro Definition Documentation

ARP_THROTTLE_BITS

#define ARP_THROTTLE_BITS   (512)

Definition at line 177 of file ip4.h.

IP_DF

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

Definition at line 370 of file ip4.h.

Typedef Documentation

ip4_add_del_interface_address_function_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)

Definition at line 65 of file ip4.h.

ip4_enable_disable_interface_function_t

typedef void() ip4_enable_disable_interface_function_t(struct ip4_main_t *im, uword opaque, u32 sw_if_index, u32 is_enable)

Definition at line 78 of file ip4.h.

ip4_main_t

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

ip4_mfib_t

typedef struct ip4_mfib_t ip4_mfib_t

ip4_table_bind_function_t

typedef void() ip4_table_bind_function_t(struct ip4_main_t *im, uword opaque, u32 sw_if_index, u32 new_fib_index, u32 old_fib_index)

Definition at line 87 of file ip4.h.

Function Documentation

format_ip4_forward_next_trace()

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

Definition at line 1161 of file ip4_forward.c.

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ip4_add_del_interface_address()

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 791 of file ip4_forward.c.

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ip4_address_compare()

int ip4_address_compare	(	ip4_address_t *	a1,
		ip4_address_t *	a2
	)

Definition at line 53 of file ip46_cli.c.

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ip4_compute_flow_hash()

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

inlinestatic

Definition at line 312 of file ip4.h.

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ip4_destination_matches_interface()

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

inlinestatic

Definition at line 204 of file ip4.h.

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ip4_destination_matches_route()

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 196 of file ip4.h.

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ip4_directed_broadcast()

void ip4_directed_broadcast	(	u32	sw_if_index,
		u8	enable
	)

Definition at line 801 of file ip4_forward.c.

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ip4_forward_next_trace()

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 1211 of file ip4_forward.c.

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ip4_interface_address_matching_destination()

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 234 of file ip4.h.

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ip4_interface_first_address()

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

Definition at line 278 of file ip4_forward.c.

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ip4_probe_neighbor()

clib_error_t* ip4_probe_neighbor	(	vlib_main_t *	vm,
		ip4_address_t *	dst,
		u32	sw_if_index,
		u8	refresh
	)

Definition at line 2169 of file ip4_forward.c.

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ip4_punt_policer_add_del()

void ip4_punt_policer_add_del	(	u8	is_add,
		u32	policer_index
	)

Definition at line 223 of file ip4_punt_drop.c.

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ip4_punt_redirect_add()

void ip4_punt_redirect_add	(	u32	rx_sw_if_index,
		u32	tx_sw_if_index,
		ip46_address_t *	nh
	)

Definition at line 295 of file ip4_punt_drop.c.

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ip4_punt_redirect_add_paths()

void ip4_punt_redirect_add_paths	(	u32	rx_sw_if_index,
		fib_route_path_t *	paths
	)

Definition at line 316 of file ip4_punt_drop.c.

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ip4_punt_redirect_del()

void ip4_punt_redirect_del

(

u32

rx_sw_if_index

)

Definition at line 326 of file ip4_punt_drop.c.

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ip4_register_protocol()

void ip4_register_protocol	(	u32	protocol,
		u32	node_index
	)

Definition at line 1865 of file ip4_forward.c.

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ip4_set_arp_limit()

clib_error_t* ip4_set_arp_limit

(

u32

arp_limit

)

Definition at line 1933 of file arp.c.

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ip4_src_address_for_packet()

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

inlinestatic

Definition at line 213 of file ip4.h.

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ip4_sw_interface_enable_disable()

void ip4_sw_interface_enable_disable	(	u32	sw_if_index,
		u32	is_enable
	)

Definition at line 637 of file ip4_forward.c.

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ip4_tcp_udp_compute_checksum()

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

Definition at line 1299 of file ip4_forward.c.

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ip4_tcp_udp_validate_checksum()

u32 ip4_tcp_udp_validate_checksum	(	vlib_main_t *	vm,
		vlib_buffer_t *	p0
	)

Definition at line 1332 of file ip4_forward.c.

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ip4_udp_register_listener()

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

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ip4_unregister_protocol()

void ip4_unregister_protocol

(

u32

protocolx

)

Definition at line 1877 of file ip4_forward.c.

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vlib_buffer_push_ip4()

static void* vlib_buffer_push_ip4 ( vlib_main_t *  vm, vlib_buffer_t *  b, ip4_address_t *  src, ip4_address_t *  dst, int  proto, u8  csum_offload  )

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 386 of file ip4.h.

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vnet_set_ip4_classify_intfc()

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

Definition at line 3073 of file ip4_forward.c.

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vnet_set_ip4_flow_hash()

int vnet_set_ip4_flow_hash	(	u32	table_id,
		flow_hash_config_t	flow_hash_config
	)

Definition at line 2919 of file ip4_forward.c.

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Variable Documentation

ip4_arp_node

vlib_node_registration_t ip4_arp_node

(constructor) VLIB_REGISTER_NODE (ip4_arp_node)

Definition at line 2112 of file ip4_forward.c.

ip4_error_strings

char* ip4_error_strings[]

Definition at line 309 of file ip4_input.c.

ip4_glean_node

vlib_node_registration_t ip4_glean_node

(constructor) VLIB_REGISTER_NODE (ip4_glean_node)

Definition at line 2126 of file ip4_forward.c.

ip4_input_node

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 317 of file ip4_input.c.

ip4_local_node

vlib_node_registration_t ip4_local_node

(constructor) VLIB_REGISTER_NODE (ip4_local_node)

Definition at line 1820 of file ip4_forward.c.

ip4_lookup_node

vlib_node_registration_t ip4_lookup_node

(constructor) VLIB_REGISTER_NODE (ip4_lookup_node)

Definition at line 101 of file ip4_forward.c.

ip4_main

ip4_main_t ip4_main

Global ip4 main structure.

Definition at line 1076 of file ip4_forward.c.

ip4_midchain_node

vlib_node_registration_t ip4_midchain_node

(constructor) VLIB_REGISTER_NODE (ip4_midchain_node)

Definition at line 2812 of file ip4_forward.c.

ip4_punt_node

vlib_node_registration_t ip4_punt_node

(constructor) VLIB_REGISTER_NODE (ip4_punt_node)

Definition at line 196 of file ip4_punt_drop.c.

ip4_rewrite_local_node

vlib_node_registration_t ip4_rewrite_local_node

ip4_rewrite_mcast_node

vlib_node_registration_t ip4_rewrite_mcast_node

(constructor) VLIB_REGISTER_NODE (ip4_rewrite_mcast_node)

Definition at line 2796 of file ip4_forward.c.

ip4_rewrite_node

vlib_node_registration_t ip4_rewrite_node

(constructor) VLIB_REGISTER_NODE (ip4_rewrite_node)

Definition at line 2774 of file ip4_forward.c.

serialize_vnet_ip4_main

serialize_function_t serialize_vnet_ip4_main

Definition at line 292 of file ip4.h.

unserialize_vnet_ip4_main

serialize_function_t unserialize_vnet_ip4_main

Definition at line 292 of file ip4.h.