vnet_classify.c File Reference

N-tuple classifier. More...

Include dependency graph for vnet_classify.c:

Go to the source code of this file.

Data Structures
struct	tcpudp_header_t

Macros
#define	foreach_tcp_proto_field
#define	foreach_udp_proto_field
#define	foreach_ip4_proto_field
#define	foreach_ip6_proto_field
#define	foreach_l2_input_next
#define	foreach_l2_output_next   _(drop, DROP)
#define	foreach_ip_next
#define	foreach_acl_next   _(deny, DENY)
#define	TEST_CODE   0

Functions
void	mv (vnet_classify_table_t *t)
void	rogue (vnet_classify_table_t *t)
void	vnet_classify_register_unformat_l2_next_index_fn (unformat_function_t *fn)
void	vnet_classify_register_unformat_ip_next_index_fn (unformat_function_t *fn)
void	vnet_classify_register_unformat_acl_next_index_fn (unformat_function_t *fn)
void	vnet_classify_register_unformat_policer_next_index_fn (unformat_function_t *fn)
void	vnet_classify_register_unformat_opaque_index_fn (unformat_function_t *fn)
vnet_classify_table_t *	vnet_classify_new_table (vnet_classify_main_t *cm, const u8 *mask, u32 nbuckets, u32 memory_size, u32 skip_n_vectors, u32 match_n_vectors)
void	vnet_classify_delete_table_index (vnet_classify_main_t *cm, u32 table_index, int del_chain)
static vnet_classify_entry_t *	vnet_classify_entry_alloc (vnet_classify_table_t *t, u32 log2_pages)
static void	vnet_classify_entry_free (vnet_classify_table_t *t, vnet_classify_entry_t *v, u32 log2_pages)
static void	make_working_copy (vnet_classify_table_t *t, vnet_classify_bucket_t *b)
static vnet_classify_entry_t *	split_and_rehash (vnet_classify_table_t *t, vnet_classify_entry_t *old_values, u32 old_log2_pages, u32 new_log2_pages)
static vnet_classify_entry_t *	split_and_rehash_linear (vnet_classify_table_t *t, vnet_classify_entry_t *old_values, u32 old_log2_pages, u32 new_log2_pages)
static void	vnet_classify_entry_claim_resource (vnet_classify_entry_t *e)
static void	vnet_classify_entry_release_resource (vnet_classify_entry_t *e)
static int	vnet_classify_add_del (vnet_classify_table_t *t, vnet_classify_entry_t *add_v, int is_add)
typedef	CLIB_PACKED (struct { ethernet_header_t eh;ip4_header_t ip;})
vnet_classify_entry_t *	vnet_classify_find_entry (vnet_classify_table_t *t, u8 *h, u64 hash, f64 now)
static u8 *	format_classify_entry (u8 *s, va_list *args)
u8 *	format_classify_table (u8 *s, va_list *args)
int	vnet_classify_add_del_table (vnet_classify_main_t *cm, const u8 *mask, u32 nbuckets, u32 memory_size, u32 skip, u32 match, u32 next_table_index, u32 miss_next_index, u32 *table_index, u8 current_data_flag, i16 current_data_offset, int is_add, int del_chain)
uword	unformat_tcp_mask (unformat_input_t *input, va_list *args)
uword	unformat_udp_mask (unformat_input_t *input, va_list *args)
uword	unformat_l4_mask (unformat_input_t *input, va_list *args)
uword	unformat_ip4_mask (unformat_input_t *input, va_list *args)
uword	unformat_ip6_mask (unformat_input_t *input, va_list *args)
uword	unformat_l3_mask (unformat_input_t *input, va_list *args)
uword	unformat_l2_mask (unformat_input_t *input, va_list *args)
uword	unformat_classify_mask (unformat_input_t *input, va_list *args)
uword	unformat_l2_input_next_index (unformat_input_t *input, va_list *args)
uword	unformat_l2_output_next_index (unformat_input_t *input, va_list *args)
uword	unformat_ip_next_index (unformat_input_t *input, va_list *args)
uword	unformat_acl_next_index (unformat_input_t *input, va_list *args)
uword	unformat_policer_next_index (unformat_input_t *input, va_list *args)
static clib_error_t *	classify_table_command_fn (vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
static int	filter_table_mask_compare (void *a1, void *a2)
u32	classify_sort_table_chain (vnet_classify_main_t *cm, u32 table_index)
u32	classify_get_trace_chain (void)
void	classify_set_trace_chain (vnet_classify_main_t *cm, u32 table_index)
u32	classify_get_pcap_chain (vnet_classify_main_t *cm, u32 sw_if_index)
void	classify_set_pcap_chain (vnet_classify_main_t *cm, u32 sw_if_index, u32 table_index)
u32	classify_lookup_chain (u32 table_index, u8 *mask, u32 n_skip, u32 n_match)
static clib_error_t *	classify_filter_command_fn (vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
int	vlib_enable_disable_pkt_trace_filter (int enable)
	Enable / disable packet trace filter. More...
static clib_error_t *	show_classify_filter_command_fn (vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
u8 *	format_vnet_classify_table (u8 *s, va_list *args)
static clib_error_t *	show_classify_tables_command_fn (vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
uword	unformat_l4_match (unformat_input_t *input, va_list *args)
uword	unformat_ip4_match (unformat_input_t *input, va_list *args)
uword	unformat_ip6_match (unformat_input_t *input, va_list *args)
uword	unformat_l3_match (unformat_input_t *input, va_list *args)
uword	unformat_vlan_tag (unformat_input_t *input, va_list *args)
uword	unformat_l2_match (unformat_input_t *input, va_list *args)
uword	unformat_classify_match (unformat_input_t *input, va_list *args)
int	vnet_classify_add_del_session (vnet_classify_main_t *cm, u32 table_index, const u8 *match, u32 hit_next_index, u32 opaque_index, i32 advance, u8 action, u16 metadata, int is_add)
static clib_error_t *	classify_session_command_fn (vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
static uword	unformat_opaque_sw_if_index (unformat_input_t *input, va_list *args)
static uword	unformat_ip_next_node (unformat_input_t *input, va_list *args)
static uword	unformat_acl_next_node (unformat_input_t *input, va_list *args)
static uword	unformat_l2_input_next_node (unformat_input_t *input, va_list *args)
static uword	unformat_l2_output_next_node (unformat_input_t *input, va_list *args)
static clib_error_t *	vnet_classify_init (vlib_main_t *vm)
int	vnet_is_packet_traced (vlib_buffer_t *b, u32 classify_table_index, int func)

Variables
vnet_classify_main_t	vnet_classify_main
static vlib_cli_command_t	classify_table
	(constructor) VLIB_CLI_COMMAND (classify_table) More...
static vlib_cli_command_t	classify_filter
	(constructor) VLIB_CLI_COMMAND (classify_filter) More...
static vlib_cli_command_t	show_classify_filter
	(constructor) VLIB_CLI_COMMAND (show_classify_filter) More...
static vlib_cli_command_t	show_classify_table_command
	(constructor) VLIB_CLI_COMMAND (show_classify_table_command) More...
static vlib_cli_command_t	classify_session_command
	(constructor) VLIB_CLI_COMMAND (classify_session_command) More...

Detailed Description

N-tuple classifier.

Definition in file vnet_classify.c.

Macro Definition Documentation

foreach_acl_next

#define foreach_acl_next   _(deny, DENY)

Definition at line 1440 of file vnet_classify.c.

foreach_ip4_proto_field

#define foreach_ip4_proto_field

Value:

_(src_address)                                  \
_(dst_address)                                  \
_(tos)                                          \
_(length)                                       \
_(fragment_id)                                  \
_(ttl)                                          \
_(protocol)                                     \
_(checksum)

Definition at line 798 of file vnet_classify.c.

foreach_ip6_proto_field

#define foreach_ip6_proto_field

Value:

_(src_address)                                  \
_(dst_address)                                  \
_(payload_length)                               \
_(hop_limit)                                    \
_(protocol)

Definition at line 1016 of file vnet_classify.c.

foreach_ip_next

#define foreach_ip_next

Value:

_(drop, DROP)                                   \
_(rewrite, REWRITE)

Definition at line 1399 of file vnet_classify.c.

foreach_l2_input_next

#define foreach_l2_input_next

Value:

_(drop, DROP)                                   \
_(ethernet, ETHERNET_INPUT)                     \
_(ip4, IP4_INPUT)                               \
_(ip6, IP6_INPUT)                               \
_(li, LI)

Definition at line 1315 of file vnet_classify.c.

foreach_l2_output_next

#define foreach_l2_output_next   _(drop, DROP)

Definition at line 1359 of file vnet_classify.c.

foreach_tcp_proto_field

#define foreach_tcp_proto_field

Value:

_(src)                                          \
_(dst)

Definition at line 790 of file vnet_classify.c.

foreach_udp_proto_field

#define foreach_udp_proto_field

Value:

_(src_port)                                     \
_(dst_port)

Definition at line 794 of file vnet_classify.c.

TEST_CODE

#define TEST_CODE   0

Definition at line 3049 of file vnet_classify.c.

Function Documentation

classify_filter_command_fn()

static clib_error_t* classify_filter_command_fn ( vlib_main_t *  vm, unformat_input_t *  input, vlib_cli_command_t *  cmd  )

static

Definition at line 1833 of file vnet_classify.c.

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classify_get_pcap_chain()

u32 classify_get_pcap_chain	(	vnet_classify_main_t *	cm,
		u32	sw_if_index
	)

Definition at line 1748 of file vnet_classify.c.

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classify_get_trace_chain()

u32 classify_get_trace_chain

(

void

)

Definition at line 1720 of file vnet_classify.c.

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classify_lookup_chain()

u32 classify_lookup_chain	(	u32	table_index,
		u8 *	mask,
		u32	n_skip,
		u32	n_match
	)

Definition at line 1799 of file vnet_classify.c.

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classify_session_command_fn()

static clib_error_t* classify_session_command_fn ( vlib_main_t *  vm, unformat_input_t *  input, vlib_cli_command_t *  cmd  )

static

Definition at line 2800 of file vnet_classify.c.

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classify_set_pcap_chain()

void classify_set_pcap_chain	(	vnet_classify_main_t *	cm,
		u32	sw_if_index,
		u32	table_index
	)

Definition at line 1760 of file vnet_classify.c.

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classify_set_trace_chain()

void classify_set_trace_chain	(	vnet_classify_main_t *	cm,
		u32	table_index
	)

Definition at line 1733 of file vnet_classify.c.

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classify_sort_table_chain()

u32 classify_sort_table_chain	(	vnet_classify_main_t *	cm,
		u32	table_index
	)

Definition at line 1679 of file vnet_classify.c.

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classify_table_command_fn()

static clib_error_t* classify_table_command_fn ( vlib_main_t *  vm, unformat_input_t *  input, vlib_cli_command_t *  cmd  )

static

Definition at line 1519 of file vnet_classify.c.

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CLIB_PACKED()

typedef CLIB_PACKED

(

struct { ethernet_header_t eh;ip4_header_t ip;}

)

Definition at line 643 of file vnet_classify.c.

filter_table_mask_compare()

static int filter_table_mask_compare ( void *  a1, void *  a2  )

static

Definition at line 1635 of file vnet_classify.c.

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format_classify_entry()

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

static

Definition at line 663 of file vnet_classify.c.

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format_classify_table()

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

Definition at line 686 of file vnet_classify.c.

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format_vnet_classify_table()

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

Definition at line 2206 of file vnet_classify.c.

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make_working_copy()

static void make_working_copy ( vnet_classify_table_t *  t, vnet_classify_bucket_t *  b  )

inlinestatic

Definition at line 228 of file vnet_classify.c.

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mv()

void mv

(

vnet_classify_table_t *

t

)

Definition at line 79 of file vnet_classify.c.

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rogue()

void rogue

(

vnet_classify_table_t *

t

)

Definition at line 84 of file vnet_classify.c.

show_classify_filter_command_fn()

static clib_error_t* show_classify_filter_command_fn ( vlib_main_t *  vm, unformat_input_t *  input, vlib_cli_command_t *  cmd  )

static

Definition at line 2119 of file vnet_classify.c.

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show_classify_tables_command_fn()

static clib_error_t* show_classify_tables_command_fn ( vlib_main_t *  vm, unformat_input_t *  input, vlib_cli_command_t *  cmd  )

static

Definition at line 2243 of file vnet_classify.c.

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split_and_rehash()

static vnet_classify_entry_t* split_and_rehash ( vnet_classify_table_t *  t, vnet_classify_entry_t *  old_values, u32  old_log2_pages, u32  new_log2_pages  )

static

Definition at line 283 of file vnet_classify.c.

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split_and_rehash_linear()

static vnet_classify_entry_t* split_and_rehash_linear ( vnet_classify_table_t *  t, vnet_classify_entry_t *  old_values, u32  old_log2_pages, u32  new_log2_pages  )

static

Definition at line 334 of file vnet_classify.c.

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unformat_acl_next_index()

uword unformat_acl_next_index	(	unformat_input_t *	input,
		va_list *	args
	)

Definition at line 1444 of file vnet_classify.c.

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unformat_acl_next_node()

static uword unformat_acl_next_node ( unformat_input_t *  input, va_list *  args  )

static

Definition at line 2948 of file vnet_classify.c.

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unformat_classify_mask()

uword unformat_classify_mask	(	unformat_input_t *	input,
		va_list *	args
	)

Definition at line 1225 of file vnet_classify.c.

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unformat_classify_match()

uword unformat_classify_match	(	unformat_input_t *	input,
		va_list *	args
	)

Definition at line 2668 of file vnet_classify.c.

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unformat_ip4_mask()

uword unformat_ip4_mask	(	unformat_input_t *	input,
		va_list *	args
	)

Definition at line 932 of file vnet_classify.c.

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unformat_ip4_match()

uword unformat_ip4_match	(	unformat_input_t *	input,
		va_list *	args
	)

Definition at line 2332 of file vnet_classify.c.

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unformat_ip6_mask()

uword unformat_ip6_mask	(	unformat_input_t *	input,
		va_list *	args
	)

Definition at line 1024 of file vnet_classify.c.

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unformat_ip6_match()

uword unformat_ip6_match	(	unformat_input_t *	input,
		va_list *	args
	)

Definition at line 2428 of file vnet_classify.c.

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unformat_ip_next_index()

uword unformat_ip_next_index	(	unformat_input_t *	input,
		va_list *	args
	)

Definition at line 1404 of file vnet_classify.c.

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unformat_ip_next_node()

static uword unformat_ip_next_node ( unformat_input_t *  input, va_list *  args  )

static

Definition at line 2921 of file vnet_classify.c.

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unformat_l2_input_next_index()

uword unformat_l2_input_next_index	(	unformat_input_t *	input,
		va_list *	args
	)

Definition at line 1323 of file vnet_classify.c.

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unformat_l2_input_next_node()

static uword unformat_l2_input_next_node ( unformat_input_t *  input, va_list *  args  )

static

Definition at line 2975 of file vnet_classify.c.

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unformat_l2_mask()

uword unformat_l2_mask	(	unformat_input_t *	input,
		va_list *	args
	)

Definition at line 1116 of file vnet_classify.c.

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unformat_l2_match()

uword unformat_l2_match	(	unformat_input_t *	input,
		va_list *	args
	)

Definition at line 2551 of file vnet_classify.c.

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unformat_l2_output_next_index()

uword unformat_l2_output_next_index	(	unformat_input_t *	input,
		va_list *	args
	)

Definition at line 1363 of file vnet_classify.c.

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unformat_l2_output_next_node()

static uword unformat_l2_output_next_node ( unformat_input_t *  input, va_list *  args  )

static

Definition at line 2995 of file vnet_classify.c.

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unformat_l3_mask()

uword unformat_l3_mask	(	unformat_input_t *	input,
		va_list *	args
	)

Definition at line 1099 of file vnet_classify.c.

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unformat_l3_match()

uword unformat_l3_match	(	unformat_input_t *	input,
		va_list *	args
	)

Definition at line 2517 of file vnet_classify.c.

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unformat_l4_mask()

uword unformat_l4_mask	(	unformat_input_t *	input,
		va_list *	args
	)

Definition at line 896 of file vnet_classify.c.

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unformat_l4_match()

uword unformat_l4_match	(	unformat_input_t *	input,
		va_list *	args
	)

Definition at line 2301 of file vnet_classify.c.

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unformat_opaque_sw_if_index()

static uword unformat_opaque_sw_if_index ( unformat_input_t *  input, va_list *  args  )

static

Definition at line 2906 of file vnet_classify.c.

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unformat_policer_next_index()

uword unformat_policer_next_index	(	unformat_input_t *	input,
		va_list *	args
	)

Definition at line 1486 of file vnet_classify.c.

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unformat_tcp_mask()

uword unformat_tcp_mask	(	unformat_input_t *	input,
		va_list *	args
	)

Definition at line 809 of file vnet_classify.c.

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unformat_udp_mask()

uword unformat_udp_mask	(	unformat_input_t *	input,
		va_list *	args
	)

Definition at line 850 of file vnet_classify.c.

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unformat_vlan_tag()

uword unformat_vlan_tag	(	unformat_input_t *	input,
		va_list *	args
	)

Definition at line 2535 of file vnet_classify.c.

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vlib_enable_disable_pkt_trace_filter()

int vlib_enable_disable_pkt_trace_filter

(

int

enable

)

Enable / disable packet trace filter.

Definition at line 2021 of file vnet_classify.c.

vnet_classify_add_del()

static int vnet_classify_add_del ( vnet_classify_table_t *  t, vnet_classify_entry_t *  add_v, int  is_add  )

static

Definition at line 417 of file vnet_classify.c.

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vnet_classify_add_del_session()

int vnet_classify_add_del_session	(	vnet_classify_main_t *	cm,
		u32	table_index,
		const u8 *	match,
		u32	hit_next_index,
		u32	opaque_index,
		i32	advance,
		u8	action,
		u16	metadata,
		int	is_add
	)

Definition at line 2746 of file vnet_classify.c.

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vnet_classify_add_del_table()

int vnet_classify_add_del_table	(	vnet_classify_main_t *	cm,
		const u8 *	mask,
		u32	nbuckets,
		u32	memory_size,
		u32	skip,
		u32	match,
		u32	next_table_index,
		u32	miss_next_index,
		u32 *	table_index,
		u8	current_data_flag,
		i16	current_data_offset,
		int	is_add,
		int	del_chain
	)

Definition at line 746 of file vnet_classify.c.

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vnet_classify_delete_table_index()

void vnet_classify_delete_table_index	(	vnet_classify_main_t *	cm,
		u32	table_index,
		int	del_chain
	)

Definition at line 164 of file vnet_classify.c.

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vnet_classify_entry_alloc()

static vnet_classify_entry_t* vnet_classify_entry_alloc ( vnet_classify_table_t *  t, u32  log2_pages  )

static

Definition at line 184 of file vnet_classify.c.

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vnet_classify_entry_claim_resource()

static void vnet_classify_entry_claim_resource ( vnet_classify_entry_t *  e )

static

Definition at line 383 of file vnet_classify.c.

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vnet_classify_entry_free()

static void vnet_classify_entry_free ( vnet_classify_table_t *  t, vnet_classify_entry_t *  v, u32  log2_pages  )

static

Definition at line 216 of file vnet_classify.c.

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vnet_classify_entry_release_resource()

static void vnet_classify_entry_release_resource ( vnet_classify_entry_t *  e )

static

Definition at line 400 of file vnet_classify.c.

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vnet_classify_find_entry()

vnet_classify_entry_t* vnet_classify_find_entry	(	vnet_classify_table_t *	t,
		u8 *	h,
		u64	hash,
		f64	now
	)

Definition at line 656 of file vnet_classify.c.

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vnet_classify_init()

static clib_error_t* vnet_classify_init ( vlib_main_t *  vm )

static

Definition at line 3015 of file vnet_classify.c.

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vnet_classify_new_table()

vnet_classify_table_t* vnet_classify_new_table	(	vnet_classify_main_t *	cm,
		const u8 *	mask,
		u32	nbuckets,
		u32	memory_size,
		u32	skip_n_vectors,
		u32	match_n_vectors
	)

Definition at line 131 of file vnet_classify.c.

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vnet_classify_register_unformat_acl_next_index_fn()

void vnet_classify_register_unformat_acl_next_index_fn

(

unformat_function_t *

fn

)

Definition at line 106 of file vnet_classify.c.

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vnet_classify_register_unformat_ip_next_index_fn()

void vnet_classify_register_unformat_ip_next_index_fn

(

unformat_function_t *

fn

)

Definition at line 98 of file vnet_classify.c.

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vnet_classify_register_unformat_l2_next_index_fn()

void vnet_classify_register_unformat_l2_next_index_fn

(

unformat_function_t *

fn

)

Definition at line 90 of file vnet_classify.c.

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vnet_classify_register_unformat_opaque_index_fn()

void vnet_classify_register_unformat_opaque_index_fn

(

unformat_function_t *

fn

)

Definition at line 123 of file vnet_classify.c.

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vnet_classify_register_unformat_policer_next_index_fn()

void vnet_classify_register_unformat_policer_next_index_fn

(

unformat_function_t *

fn

)

Definition at line 114 of file vnet_classify.c.

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vnet_is_packet_traced()

int vnet_is_packet_traced	(	vlib_buffer_t *	b,
		u32	classify_table_index,
		int	func
	)

Definition at line 3043 of file vnet_classify.c.

Variable Documentation

classify_filter

vlib_cli_command_t classify_filter

static

Initial value:

=
{
  .path = "classify filter",
  .short_help =
  "classify filter <intfc> | pcap mask <mask-value> match <match-value>\n"
  "  | trace mask <mask-value> match <match-value> [del]\n"
  "    [buckets <nn>] [memory-size <n>]",
  .function = classify_filter_command_fn,
}

(constructor) VLIB_CLI_COMMAND (classify_filter)

Definition at line 2107 of file vnet_classify.c.

classify_session_command

vlib_cli_command_t classify_session_command

static

Initial value:

= {
    .path = "classify session",
    .short_help =
    "classify session [hit-next|l2-input-hit-next|l2-output-hit-next|"
    "acl-hit-next <next_index>|policer-hit-next <policer_name>]"
    "\n table-index <nn> match [hex] [l2] [l3 ip4] [opaque-index <index>]"
    "\n [action set-ip4-fib-id|set-ip6-fib-id|set-sr-policy-index <n>] [del]",
    .function = classify_session_command_fn,
}

(constructor) VLIB_CLI_COMMAND (classify_session_command)

Definition at line 2894 of file vnet_classify.c.

classify_table

vlib_cli_command_t classify_table

static

Initial value:

=
{
  .path = "classify table",
  .short_help =
  "classify table [miss-next|l2-miss_next|acl-miss-next <next_index>]"
  "\n mask <mask-value> buckets <nn> [skip <n>] [match <n>]"
  "\n [current-data-flag <n>] [current-data-offset <n>] [table <n>]"
  "\n [memory-size <nn>[M][G]] [next-table <n>]"
  "\n [del] [del-chain]",
  .function = classify_table_command_fn,
}

(constructor) VLIB_CLI_COMMAND (classify_table)

Definition at line 1621 of file vnet_classify.c.

show_classify_filter

vlib_cli_command_t show_classify_filter

static

Initial value:

=
{
  .path = "show classify filter",
  .short_help = "show classify filter [verbose [nn]]",
  .function = show_classify_filter_command_fn,
}

(constructor) VLIB_CLI_COMMAND (show_classify_filter)

Definition at line 2197 of file vnet_classify.c.

show_classify_table_command

vlib_cli_command_t show_classify_table_command

static

Initial value:

= {
  .path = "show classify tables",
  .short_help = "show classify tables [index <nn>]",
  .function = show_classify_tables_command_fn,
}

(constructor) VLIB_CLI_COMMAND (show_classify_table_command)

Definition at line 2293 of file vnet_classify.c.

vnet_classify_main

vnet_classify_main_t vnet_classify_main

Definition at line 32 of file vnet_classify.c.