lookup.h File Reference

Definitions for all things IP (v4|v6) unicast and multicast lookup related. More...

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Data Structures
struct	ip_interface_prefix_key_t
struct	ip_interface_prefix_t
struct	ip_interface_address_t
struct	ip_lookup_main_t

Macros
#define	IP_FLOW_HASH_SRC_ADDR   (1<<0)
	Flow hash configuration. More...
#define	IP_FLOW_HASH_DST_ADDR   (1<<1)
#define	IP_FLOW_HASH_PROTO   (1<<2)
#define	IP_FLOW_HASH_SRC_PORT   (1<<3)
#define	IP_FLOW_HASH_DST_PORT   (1<<4)
#define	IP_FLOW_HASH_REVERSE_SRC_DST   (1<<5)
#define	IP_FLOW_HASH_SYMMETRIC   (1<<6)
#define	IP_FLOW_HASH_DEFAULT   (0x1F)
	Default: 5-tuple without the "reverse" bit. More...
#define	foreach_flow_hash_bit
#define	foreach_ip_interface_address(lm, a, sw_if_index, loop, body)

Typedefs
typedef u32	flow_hash_config_t
	A flow hash configuration is a mask of the flow hash options. More...
typedef struct ip_lookup_main_t	ip_lookup_main_t
typedef struct _vnet_ip_container_proxy_args	vnet_ip_container_proxy_args_t
typedef int(*	ip_container_proxy_cb_t) (const fib_prefix_t *pfx, u32 sw_if_index, void *ctx)

Enumerations
enum	ip_local_next_t {   IP_LOCAL_NEXT_DROP, IP_LOCAL_NEXT_PUNT, IP_LOCAL_NEXT_UDP_LOOKUP, IP_LOCAL_NEXT_ICMP,   IP_LOCAL_NEXT_REASSEMBLY, IP_LOCAL_N_NEXT }

Functions
clib_error_t *	ip_interface_address_add_del (ip_lookup_main_t *lm, u32 sw_if_index, void *address, u32 address_length, u32 is_del, u32 *result_index)
u8 *	format_ip_flow_hash_config (u8 *s, va_list *args)
static ip_interface_address_t *	ip_get_interface_address (ip_lookup_main_t *lm, void *addr_fib)
static void *	ip_interface_address_get_address (ip_lookup_main_t *lm, ip_interface_address_t *a)
static ip_interface_prefix_t *	ip_get_interface_prefix (ip_lookup_main_t *lm, ip_interface_prefix_key_t *k)
static void	ip_lookup_set_buffer_fib_index (u32 *fib_index_by_sw_if_index, vlib_buffer_t *b)
clib_error_t *	vnet_ip_container_proxy_add_del (vnet_ip_container_proxy_args_t *args)
void	ip_container_proxy_walk (ip_container_proxy_cb_t cb, void *ctx)
void	ip_lookup_init (ip_lookup_main_t *lm, u32 ip_lookup_node_index)

Variables
const ip46_address_t	zero_addr

Detailed Description

Definitions for all things IP (v4|v6) unicast and multicast lookup related.

• Adjacency definitions and registration.
• Callbacks on route add.
• Callbacks on interface address change.

Definition in file lookup.h.

Macro Definition Documentation

foreach_flow_hash_bit

#define foreach_flow_hash_bit

Value:

_(src, IP_FLOW_HASH_SRC_ADDR)                   \
_(dst, IP_FLOW_HASH_DST_ADDR)                   \
_(sport, IP_FLOW_HASH_SRC_PORT)                 \
_(dport, IP_FLOW_HASH_DST_PORT)                 \
_(proto, IP_FLOW_HASH_PROTO)                    \
_(reverse, IP_FLOW_HASH_REVERSE_SRC_DST)        \
_(symmetric, IP_FLOW_HASH_SYMMETRIC)

Definition at line 72 of file lookup.h.

foreach_ip_interface_address

#define foreach_ip_interface_address	(		lm,
			a,
			sw_if_index,
			loop,
			body
	)

Value:

do {                                                                    \
    vnet_main_t *_vnm = vnet_get_main();                                \
    u32 _sw_if_index = sw_if_index;                                     \
    vnet_sw_interface_t *_swif;                                         \
    _swif = vnet_get_sw_interface (_vnm, _sw_if_index);                 \
                                                                        \
    /*                                                                  \
     * Loop => honor unnumbered interface addressing.                   \
     */                                                                 \
    if (_swif->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED)               \
      {                                                                 \
        if (loop)                                                       \
          _sw_if_index = _swif->unnumbered_sw_if_index;                 \
        else                                                            \
          /* the interface is unnumbered, by the caller does not want   \
           * unnumbered interfaces considered/honoured */               \
          break;                                                        \
      }                                                                 \
    u32 _ia = ((vec_len((lm)->if_address_pool_index_by_sw_if_index)     \
                > (_sw_if_index)) ?                                     \
               vec_elt ((lm)->if_address_pool_index_by_sw_if_index,     \
                        (_sw_if_index)) :                               \
               (u32)~0);                                                \
    ip_interface_address_t * _a;                                        \
    while (_ia != ~0)                                                   \
    {                                                                   \
        _a = pool_elt_at_index ((lm)->if_address_pool, _ia);            \
        _ia = _a->next_this_sw_interface;                               \
        (a) = _a;                                                       \
        body;                                                           \
    }                                                                   \
} while (0)

Definition at line 213 of file lookup.h.

IP_FLOW_HASH_DEFAULT

#define IP_FLOW_HASH_DEFAULT   (0x1F)

Default: 5-tuple without the "reverse" bit.

Definition at line 70 of file lookup.h.

IP_FLOW_HASH_DST_ADDR

#define IP_FLOW_HASH_DST_ADDR   (1<<1)

Definition at line 62 of file lookup.h.

IP_FLOW_HASH_DST_PORT

#define IP_FLOW_HASH_DST_PORT   (1<<4)

Definition at line 65 of file lookup.h.

IP_FLOW_HASH_PROTO

#define IP_FLOW_HASH_PROTO   (1<<2)

Definition at line 63 of file lookup.h.

IP_FLOW_HASH_REVERSE_SRC_DST

#define IP_FLOW_HASH_REVERSE_SRC_DST   (1<<5)

Definition at line 66 of file lookup.h.

IP_FLOW_HASH_SRC_ADDR

#define IP_FLOW_HASH_SRC_ADDR   (1<<0)

Flow hash configuration.

Definition at line 61 of file lookup.h.

IP_FLOW_HASH_SRC_PORT

#define IP_FLOW_HASH_SRC_PORT   (1<<3)

Definition at line 64 of file lookup.h.

IP_FLOW_HASH_SYMMETRIC

#define IP_FLOW_HASH_SYMMETRIC   (1<<6)

Definition at line 67 of file lookup.h.

Typedef Documentation

flow_hash_config_t

typedef u32 flow_hash_config_t

A flow hash configuration is a mask of the flow hash options.

Definition at line 84 of file lookup.h.

ip_container_proxy_cb_t

typedef int(* ip_container_proxy_cb_t) (const fib_prefix_t *pfx, u32 sw_if_index, void *ctx)

Definition at line 272 of file lookup.h.

ip_lookup_main_t

typedef struct ip_lookup_main_t ip_lookup_main_t

vnet_ip_container_proxy_args_t

typedef struct _vnet_ip_container_proxy_args vnet_ip_container_proxy_args_t

Enumeration Type Documentation

ip_local_next_t

enum ip_local_next_t

Enumerator
IP_LOCAL_NEXT_DROP
IP_LOCAL_NEXT_PUNT
IP_LOCAL_NEXT_UDP_LOOKUP
IP_LOCAL_NEXT_ICMP
IP_LOCAL_NEXT_REASSEMBLY
IP_LOCAL_N_NEXT

Definition at line 128 of file lookup.h.

Function Documentation

format_ip_flow_hash_config()

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

Definition at line 247 of file lookup.c.

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ip_container_proxy_walk()

void ip_container_proxy_walk	(	ip_container_proxy_cb_t	cb,
		void *	ctx
	)

Definition at line 1338 of file lookup.c.

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ip_get_interface_address()

static ip_interface_address_t* ip_get_interface_address ( ip_lookup_main_t *  lm, void *  addr_fib  )

inlinestatic

Definition at line 192 of file lookup.h.

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ip_get_interface_prefix()

static ip_interface_prefix_t* ip_get_interface_prefix ( ip_lookup_main_t *  lm, ip_interface_prefix_key_t *  k  )

inlinestatic

Definition at line 206 of file lookup.h.

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ip_interface_address_add_del()

clib_error_t* ip_interface_address_add_del	(	ip_lookup_main_t *	lm,
		u32	sw_if_index,
		void *	address,
		u32	address_length,
		u32	is_del,
		u32 *	result_index
	)

Definition at line 63 of file lookup.c.

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ip_interface_address_get_address()

static void* ip_interface_address_get_address ( ip_lookup_main_t *  lm, ip_interface_address_t *  a  )

inlinestatic

Definition at line 199 of file lookup.h.

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ip_lookup_init()

void ip_lookup_init	(	ip_lookup_main_t *	lm,
		u32	ip_lookup_node_index
	)

Definition at line 204 of file lookup.c.

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ip_lookup_set_buffer_fib_index()

static void ip_lookup_set_buffer_fib_index ( u32 *  fib_index_by_sw_if_index, vlib_buffer_t *  b  )

inlinestatic

Definition at line 249 of file lookup.h.

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vnet_ip_container_proxy_add_del()

clib_error_t* vnet_ip_container_proxy_add_del

(

vnet_ip_container_proxy_args_t *

args

)

Definition at line 1252 of file lookup.c.

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Variable Documentation

zero_addr

const ip46_address_t zero_addr

Definition at line 326 of file lookup.c.