FD.io VPP  v20.01-48-g3e0dafb74
Vector Packet Processing
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_tip4_interface_address_matching_destination (ip4_main_t *im, const ip4_address_t *dst, u32 sw_if_index, ip_interface_address_t **result_ia)
 
ip4_address_tip4_interface_first_address (ip4_main_t *im, u32 sw_if_index, ip_interface_address_t **result_ia)
 
clib_error_tip4_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)
 
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)
 
u8format_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...
 
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

◆ 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 362 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 1164 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 794 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 304 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 202 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 194 of file ip4.h.

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◆ ip4_directed_broadcast()

void ip4_directed_broadcast ( u32  sw_if_index,
u8  enable 
)

Definition at line 804 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 1214 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,
const ip4_address_t dst,
u32  sw_if_index,
ip_interface_address_t **  result_ia 
)
inlinestatic

Definition at line 232 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 279 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 220 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 292 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 313 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 323 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 1866 of file ip4_forward.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 211 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 638 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 1302 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 1335 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 1878 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 378 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 2879 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 2725 of file ip4_forward.c.

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Variable Documentation

◆ ip4_arp_node

(constructor) VLIB_REGISTER_NODE (ip4_arp_node)

Definition at line 261 of file ip4_neighbor.c.

◆ ip4_glean_node

vlib_node_registration_t ip4_glean_node

(constructor) VLIB_REGISTER_NODE (ip4_glean_node)

Definition at line 274 of file ip4_neighbor.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 385 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 1823 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 102 of file ip4_forward.c.

◆ ip4_main

ip4_main_t ip4_main

Global ip4 main structure.

Definition at line 1079 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 2618 of file ip4_forward.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 2602 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 2580 of file ip4_forward.c.

◆ serialize_vnet_ip4_main

serialize_function_t serialize_vnet_ip4_main

Definition at line 284 of file ip4.h.

◆ unserialize_vnet_ip4_main

serialize_function_t unserialize_vnet_ip4_main

Definition at line 284 of file ip4.h.