ioam_cache.h File Reference

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Data Structures
struct	ioam_cache_entry_t
struct	ioam_cache_ts_entry_t
struct	ioam_cache_ts_pool_stats_t
struct	ioam_cache_main_t

Macros
#define	MAX_CACHE_ENTRIES   4096
#define	MAX_CACHE_TS_ENTRIES   1048576
#define	IOAM_CACHE_TABLE_DEFAULT_HASH_NUM_BUCKETS   (4 * 1024)
#define	IOAM_CACHE_TABLE_DEFAULT_HASH_MEMORY_SIZE   (2<<20)
#define	HBH_OPTION_TYPE_IOAM_EDGE_TO_EDGE_ID   30
#define	HBH_OPTION_TYPE_IOAM_E2E_CACHE_ID   31
#define	IOAM_E2E_ID_OPTION_RND   ((sizeof(ioam_e2e_id_option_t) + 7) & ~7)
#define	IOAM_E2E_ID_HBH_EXT_LEN   (IOAM_E2E_ID_OPTION_RND >> 3)
#define	IOAM_E2E_CACHE_OPTION_RND   ((sizeof(ioam_e2e_cache_option_t) + 7) & ~7)
#define	IOAM_E2E_CACHE_HBH_EXT_LEN   (IOAM_E2E_CACHE_OPTION_RND >> 3)
#define	IOAM_CACHE_TS_TIMEOUT   1.0
#define	IOAM_CACHE_TS_TICK   100e-3
#define	IOAM_CACHE_TS_TIMEOUT_TICKS   IOAM_CACHE_TS_TICK*9
#define	TIMER_HANDLE_INVALID   ((u32) ~0)

Functions
static u32	ip6_compute_flow_hash_ext (const ip6_header_t *ip, u8 protocol, u16 src_port, u16 dst_port, flow_hash_config_t flow_hash_config)
typedef	CLIB_PACKED (struct { ip6_hop_by_hop_option_t hdr;u8 e2e_type;u8 reserved[5];ip6_address_t id;}) ioam_e2e_id_option_t
typedef	CLIB_PACKED (struct { ip6_hop_by_hop_option_t hdr;u8 e2e_type;u8 pool_id;u32 pool_index;}) ioam_e2e_cache_option_t
static void	ioam_e2e_id_rewrite_handler (ioam_e2e_id_option_t *e2e_option, ip6_address_t *address)
static void	ioam_cache_entry_free (ioam_cache_entry_t *entry)
static ioam_cache_entry_t *	ioam_cache_entry_cleanup (u32 pool_index)
static ioam_cache_entry_t *	ioam_cache_lookup (ip6_header_t *ip0, u16 src_port, u16 dst_port, u32 seq_no)
static int	ioam_cache_add (vlib_buffer_t *b0, ip6_header_t *ip0, u16 src_port, u16 dst_port, ip6_hop_by_hop_header_t *hbh0, u32 seq_no)
static void	ioam_cache_sr_rewrite_template_create (void)
static int	ioam_cache_table_init (vlib_main_t *vm)
static int	ioam_cache_table_destroy (vlib_main_t *vm)
static u8 *	format_ioam_cache_entry (u8 *s, va_list *args)
void	ioam_cache_ts_timer_node_enable (vlib_main_t *vm, u8 enable)
void	expired_cache_ts_timer_callback (u32 *expired_timers)
static int	ioam_cache_ts_table_init (vlib_main_t *vm)
static void	ioam_cache_ts_timer_set (ioam_cache_main_t *cm, ioam_cache_ts_entry_t *entry, u32 interval)
static void	ioam_cache_ts_timer_reset (ioam_cache_main_t *cm, ioam_cache_ts_entry_t *entry)
static void	ioam_cache_ts_entry_free (u32 thread_id, ioam_cache_ts_entry_t *entry, u32 node_index)
static int	ioam_cache_ts_table_destroy (vlib_main_t *vm)
static int	ioam_cache_ts_entry_cleanup (u32 thread_id, u32 pool_index)
static int	ioam_cache_ts_add (ip6_header_t *ip0, u16 src_port, u16 dst_port, u32 seq_no, u8 max_responses, u64 now, u32 thread_id, u32 *pool_index)
static void	ioam_cache_ts_send (u32 thread_id, i32 pool_index)
static void	ioam_cache_ts_check_and_send (u32 thread_id, i32 pool_index)
static int	ioam_cache_ts_update (u32 thread_id, i32 pool_index, u32 buffer_index, ip6_hop_by_hop_header_t *hbh)
static int	ioam_cache_ts_lookup (ip6_header_t *ip0, u8 protocol, u16 src_port, u16 dst_port, u32 seq_no, ip6_hop_by_hop_header_t **hbh, u32 *pool_index, u8 *thread_id, u8 response_seen)
static u8 *	format_ioam_cache_ts_entry (u8 *s, va_list *args)
static int	ip6_ioam_ts_cache_set_rewrite (void)
static int	ip6_ioam_ts_cache_cleanup_rewrite (void)

Variables
ioam_cache_main_t	ioam_cache_main
vlib_node_registration_t	ioam_cache_node
	(constructor) VLIB_REGISTER_NODE (ioam_cache_node) More...
vlib_node_registration_t	ioam_cache_ts_node
	(constructor) VLIB_REGISTER_NODE (ioam_cache_ts_node) More...

Macro Definition Documentation

HBH_OPTION_TYPE_IOAM_E2E_CACHE_ID

#define HBH_OPTION_TYPE_IOAM_E2E_CACHE_ID   31

Definition at line 267 of file ioam_cache.h.

HBH_OPTION_TYPE_IOAM_EDGE_TO_EDGE_ID

#define HBH_OPTION_TYPE_IOAM_EDGE_TO_EDGE_ID   30

Definition at line 266 of file ioam_cache.h.

IOAM_CACHE_TABLE_DEFAULT_HASH_MEMORY_SIZE

#define IOAM_CACHE_TABLE_DEFAULT_HASH_MEMORY_SIZE   (2<<20)

Definition at line 164 of file ioam_cache.h.

IOAM_CACHE_TABLE_DEFAULT_HASH_NUM_BUCKETS

#define IOAM_CACHE_TABLE_DEFAULT_HASH_NUM_BUCKETS   (4 * 1024)

Definition at line 163 of file ioam_cache.h.

IOAM_CACHE_TS_TICK

#define IOAM_CACHE_TS_TICK   100e-3

Definition at line 511 of file ioam_cache.h.

IOAM_CACHE_TS_TIMEOUT

#define IOAM_CACHE_TS_TIMEOUT   1.0

Definition at line 510 of file ioam_cache.h.

IOAM_CACHE_TS_TIMEOUT_TICKS

#define IOAM_CACHE_TS_TIMEOUT_TICKS   IOAM_CACHE_TS_TICK*9

Definition at line 513 of file ioam_cache.h.

IOAM_E2E_CACHE_HBH_EXT_LEN

#define IOAM_E2E_CACHE_HBH_EXT_LEN   (IOAM_E2E_CACHE_OPTION_RND >> 3)

Definition at line 284 of file ioam_cache.h.

IOAM_E2E_CACHE_OPTION_RND

#define IOAM_E2E_CACHE_OPTION_RND   ((sizeof(ioam_e2e_cache_option_t) + 7) & ~7)

Definition at line 283 of file ioam_cache.h.

IOAM_E2E_ID_HBH_EXT_LEN

#define IOAM_E2E_ID_HBH_EXT_LEN   (IOAM_E2E_ID_OPTION_RND >> 3)

Definition at line 282 of file ioam_cache.h.

IOAM_E2E_ID_OPTION_RND

#define IOAM_E2E_ID_OPTION_RND   ((sizeof(ioam_e2e_id_option_t) + 7) & ~7)

Definition at line 281 of file ioam_cache.h.

MAX_CACHE_ENTRIES

#define MAX_CACHE_ENTRIES   4096

Definition at line 159 of file ioam_cache.h.

MAX_CACHE_TS_ENTRIES

#define MAX_CACHE_TS_ENTRIES   1048576

Definition at line 161 of file ioam_cache.h.

TIMER_HANDLE_INVALID

#define TIMER_HANDLE_INVALID   ((u32) ~0)

Definition at line 514 of file ioam_cache.h.

Function Documentation

CLIB_PACKED() [1/2]

typedef CLIB_PACKED

(

struct { ip6_hop_by_hop_option_t hdr;u8 e2e_type;u8 reserved[5];ip6_address_t id;}

)

CLIB_PACKED() [2/2]

typedef CLIB_PACKED

(

struct { ip6_hop_by_hop_option_t hdr;u8 e2e_type;u8 pool_id;u32 pool_index;}

)

expired_cache_ts_timer_callback()

void expired_cache_ts_timer_callback

(

u32 *

expired_timers

)

Definition at line 698 of file ioam_cache_tunnel_select_node.c.

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format_ioam_cache_entry()

static u8* format_ioam_cache_entry ( u8 *  s, va_list *  args  )

inlinestatic

Definition at line 486 of file ioam_cache.h.

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format_ioam_cache_ts_entry()

static u8* format_ioam_cache_ts_entry ( u8 *  s, va_list *  args  )

inlinestatic

Definition at line 796 of file ioam_cache.h.

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ioam_cache_add()

static int ioam_cache_add ( vlib_buffer_t *  b0, ip6_header_t *  ip0, u16  src_port, u16  dst_port, ip6_hop_by_hop_header_t *  hbh0, u32  seq_no  )

inlinestatic

Definition at line 365 of file ioam_cache.h.

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ioam_cache_entry_cleanup()

static ioam_cache_entry_t* ioam_cache_entry_cleanup ( u32  pool_index )

inlinestatic

Definition at line 311 of file ioam_cache.h.

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ioam_cache_entry_free()

static void ioam_cache_entry_free ( ioam_cache_entry_t *  entry )

inlinestatic

Definition at line 299 of file ioam_cache.h.

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ioam_cache_lookup()

static ioam_cache_entry_t* ioam_cache_lookup ( ip6_header_t *  ip0, u16  src_port, u16  dst_port, u32  seq_no  )

inlinestatic

Definition at line 322 of file ioam_cache.h.

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ioam_cache_sr_rewrite_template_create()

static void ioam_cache_sr_rewrite_template_create ( void  )

inlinestatic

Definition at line 434 of file ioam_cache.h.

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ioam_cache_table_destroy()

static int ioam_cache_table_destroy ( vlib_main_t *  vm )

inlinestatic

Definition at line 468 of file ioam_cache.h.

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ioam_cache_table_init()

static int ioam_cache_table_init ( vlib_main_t *  vm )

inlinestatic

Definition at line 449 of file ioam_cache.h.

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ioam_cache_ts_add()

static int ioam_cache_ts_add ( ip6_header_t *  ip0, u16  src_port, u16  dst_port, u32  seq_no, u8  max_responses, u64  now, u32  thread_id, u32 *  pool_index  )

inlinestatic

Definition at line 643 of file ioam_cache.h.

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ioam_cache_ts_check_and_send()

static void ioam_cache_ts_check_and_send ( u32  thread_id, i32  pool_index  )

inlinestatic

Definition at line 697 of file ioam_cache.h.

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ioam_cache_ts_entry_cleanup()

static int ioam_cache_ts_entry_cleanup ( u32  thread_id, u32  pool_index  )

inlinestatic

Definition at line 629 of file ioam_cache.h.

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ioam_cache_ts_entry_free()

static void ioam_cache_ts_entry_free ( u32  thread_id, ioam_cache_ts_entry_t *  entry, u32  node_index  )

inlinestatic

Definition at line 577 of file ioam_cache.h.

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ioam_cache_ts_lookup()

static int ioam_cache_ts_lookup ( ip6_header_t *  ip0, u8  protocol, u16  src_port, u16  dst_port, u32  seq_no, ip6_hop_by_hop_header_t **  hbh, u32 *  pool_index, u8 *  thread_id, u8  response_seen  )

inlinestatic

Definition at line 754 of file ioam_cache.h.

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ioam_cache_ts_send()

static void ioam_cache_ts_send ( u32  thread_id, i32  pool_index  )

inlinestatic

Definition at line 683 of file ioam_cache.h.

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ioam_cache_ts_table_destroy()

static int ioam_cache_ts_table_destroy ( vlib_main_t *  vm )

inlinestatic

Definition at line 603 of file ioam_cache.h.

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ioam_cache_ts_table_init()

static int ioam_cache_ts_table_init ( vlib_main_t *  vm )

inlinestatic

Definition at line 528 of file ioam_cache.h.

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ioam_cache_ts_timer_node_enable()

void ioam_cache_ts_timer_node_enable	(	vlib_main_t *	vm,
		u8	enable
	)

Definition at line 689 of file ioam_cache_tunnel_select_node.c.

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ioam_cache_ts_timer_reset()

static void ioam_cache_ts_timer_reset ( ioam_cache_main_t *  cm, ioam_cache_ts_entry_t *  entry  )

inlinestatic

Definition at line 568 of file ioam_cache.h.

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ioam_cache_ts_timer_set()

static void ioam_cache_ts_timer_set ( ioam_cache_main_t *  cm, ioam_cache_ts_entry_t *  entry, u32  interval  )

inlinestatic

Definition at line 559 of file ioam_cache.h.

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ioam_cache_ts_update()

static int ioam_cache_ts_update ( u32  thread_id, i32  pool_index, u32  buffer_index, ip6_hop_by_hop_header_t *  hbh  )

inlinestatic

Definition at line 715 of file ioam_cache.h.

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ioam_e2e_id_rewrite_handler()

static void ioam_e2e_id_rewrite_handler ( ioam_e2e_id_option_t *  e2e_option, ip6_address_t *  address  )

inlinestatic

Definition at line 287 of file ioam_cache.h.

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ip6_compute_flow_hash_ext()

static u32 ip6_compute_flow_hash_ext ( const ip6_header_t *  ip, u8  protocol, u16  src_port, u16  dst_port, flow_hash_config_t  flow_hash_config  )

inlinestatic

Definition at line 228 of file ioam_cache.h.

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ip6_ioam_ts_cache_cleanup_rewrite()

static int ip6_ioam_ts_cache_cleanup_rewrite ( void  )

inlinestatic

Definition at line 892 of file ioam_cache.h.

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ip6_ioam_ts_cache_set_rewrite()

static int ip6_ioam_ts_cache_set_rewrite ( void  )

inlinestatic

Definition at line 853 of file ioam_cache.h.

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Variable Documentation

ioam_cache_main

ioam_cache_main_t ioam_cache_main

Definition at line 58 of file ioam_cache.c.

ioam_cache_node

vlib_node_registration_t ioam_cache_node

(constructor) VLIB_REGISTER_NODE (ioam_cache_node)

Definition at line 183 of file ioam_cache_node.c.

ioam_cache_ts_node

vlib_node_registration_t ioam_cache_ts_node

(constructor) VLIB_REGISTER_NODE (ioam_cache_ts_node)

Definition at line 239 of file ioam_cache_tunnel_select_node.c.