cnat_ipv4_udp_outside_input.c File Reference

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Data Structures
struct	cnat_ipv4_udp_outside_input_main_t

Macros
#define	foreach_cnat_ipv4_udp_outside_input_error
#define	NSTAGES   6
#define	stage0   generic_stage0
#define	CNAT_UDP_OUTSIDE_UPDATE_FLAG_TIMER(db, dslite_nat44_inst_id)
#define	UDP_PACKET_DEBUG   1
#define	SPP_LOG2_CACHE_LINE_BYTES   6
#define	SPP_CACHE_LINE_BYTES   (1 << SPP_LOG2_CACHE_LINE_BYTES)

Enumerations
enum	cnat_ipv4_udp_outside_input_t { CNAT_IPV4_UDP_OUTSIDE_INPUT_N_ERROR }
enum	cnat_ipv4_udp_outside_input_next_t { CNAT_V4_UDP_O2I_E, CNAT_V4_UDP_O2I_T, CNAT_V4_UDP_O2I_NEXT }

Functions
static void	swap_ip_dst (ipv4_header *ip, cnat_main_db_entry_t *db, u16 vrf)
void	swap_ip_dst_udp_port (ipv4_header *ip, udp_hdr_type_t *udp, cnat_main_db_entry_t *db, u16 vrf)
static void	stage1 (vlib_main_t *vm, vlib_node_runtime_t *node, u32 buffer_index)
static void	stage2 (vlib_main_t *vm, vlib_node_runtime_t *node, u32 buffer_index)
static void	stage3 (vlib_main_t *vm, vlib_node_runtime_t *node, u32 buffer_index)
static void	stage4 (vlib_main_t *vm, vlib_node_runtime_t *node, u32 buffer_index)
static u32	last_stage (vlib_main_t *vm, vlib_node_runtime_t *node, u32 bi)
static uword	cnat_ipv4_udp_outside_input_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
clib_error_t *	cnat_ipv4_udp_outside_input_init (vlib_main_t *vm)

Variables
static char *	cnat_ipv4_udp_outside_input_error_strings []
cnat_ipv4_udp_outside_input_main_t	cnat_ipv4_udp_outside_input_main
vlib_node_registration_t	cnat_ipv4_udp_outside_input_node
	(constructor) VLIB_REGISTER_NODE (cnat_ipv4_udp_outside_input_node) More...

Macro Definition Documentation

#define CNAT_UDP_OUTSIDE_UPDATE_FLAG_TIMER	(		db,
			dslite_nat44_inst_id
	)

Value:

if (PREDICT_FALSE(!(db->flags & CNAT_DB_FLAG_UDP_ACTIVE))) { \
            db->flags |= CNAT_DB_FLAG_UDP_ACTIVE; \
            CNAT_DB_TIMEOUT_RST(db); \
        } else if (PREDICT_FALSE(db->flags & CNAT_DB_DSLITE_FLAG)) { \
            if (PREDICT_TRUE(dslite_table_db_ptr[dslite_nat44_inst_id].mapping_refresh_both_direction)) { \
		CNAT_DB_TIMEOUT_RST(db); \
            } \
        } else if (PREDICT_TRUE(mapping_refresh_both_direction)) { \
            CNAT_DB_TIMEOUT_RST(db); \
        } \

Definition at line 112 of file cnat_ipv4_udp_outside_input.c.

#define foreach_cnat_ipv4_udp_outside_input_error

Value:

_(CNAT_V4_UDP_O2I_T_PKT, "v4 udp o2i transmit")                 \
_(CNAT_V4_DSLITE_ENCAP_CTR, "to dslite encap")                  \
_(CNAT_V4_UDP_O2I_MISS_PKT, "v4 udp o2i db miss drop")          \
_(CNAT_V4_UDP_O2I_TTL_GEN, "v4 udp o2i TTL gen")                \
_(CNAT_V4_UDP_O2I_TTL_DROP, "v4 udp o2i TTL drop")              \
_(CNAT_V4_UDP_O2I_PTB_GEN, "v4 ptb gen")                \
_(CNAT_V4_UDP_O2I_PTB_DROP, "v4 ptb throttle drop")             \
_(CNAT_V4_UDP_O2I_SESSION_DROP, "v4 udp o2i session drop")              \
_(CNAT_V4_UDP_O2I_FILTER_DROP, "v4 udp o2i drop: end point filtering")          \
_(CNAT_V4_UDP_O2I_SUB_FRAG_NO_DB_DROP, "v4 udp o2i subsequent frag no DB drop")         \
_(CNAT_V4_UDP_O2I_1ST_FRAG_FILTER_DROP, "v4 udp i2o 1st frag filter drop")

Definition at line 36 of file cnat_ipv4_udp_outside_input.c.

#define NSTAGES   6

Definition at line 84 of file cnat_ipv4_udp_outside_input.c.

#define SPP_CACHE_LINE_BYTES   (1 << SPP_LOG2_CACHE_LINE_BYTES)

Definition at line 314 of file cnat_ipv4_udp_outside_input.c.

#define SPP_LOG2_CACHE_LINE_BYTES   6

Definition at line 313 of file cnat_ipv4_udp_outside_input.c.

#define stage0   generic_stage0

Definition at line 90 of file cnat_ipv4_udp_outside_input.c.

#define UDP_PACKET_DEBUG   1

Enumeration Type Documentation

enum cnat_ipv4_udp_outside_input_next_t

Enumerator
CNAT_V4_UDP_O2I_E
CNAT_V4_UDP_O2I_T
CNAT_V4_UDP_O2I_NEXT

Definition at line 71 of file cnat_ipv4_udp_outside_input.c.

enum cnat_ipv4_udp_outside_input_t

Enumerator
CNAT_IPV4_UDP_OUTSIDE_INPUT_N_ERROR

Definition at line 49 of file cnat_ipv4_udp_outside_input.c.

Function Documentation

clib_error_t* cnat_ipv4_udp_outside_input_init

(

vlib_main_t *

vm

)

Definition at line 595 of file cnat_ipv4_udp_outside_input.c.

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static uword cnat_ipv4_udp_outside_input_node_fn ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  frame  )

static

Definition at line 560 of file cnat_ipv4_udp_outside_input.c.

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static u32 last_stage ( vlib_main_t *  vm, vlib_node_runtime_t *  node, u32  bi  )

inlinestatic

Definition at line 421 of file cnat_ipv4_udp_outside_input.c.

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static void stage1 ( vlib_main_t *  vm, vlib_node_runtime_t *  node, u32  buffer_index  )

inlinestatic

Definition at line 276 of file cnat_ipv4_udp_outside_input.c.

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static void stage2 ( vlib_main_t *  vm, vlib_node_runtime_t *  node, u32  buffer_index  )

inlinestatic

Definition at line 310 of file cnat_ipv4_udp_outside_input.c.

static void stage3 ( vlib_main_t *  vm, vlib_node_runtime_t *  node, u32  buffer_index  )

inlinestatic

Definition at line 317 of file cnat_ipv4_udp_outside_input.c.

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static void stage4 ( vlib_main_t *  vm, vlib_node_runtime_t *  node, u32  buffer_index  )

inlinestatic

Definition at line 347 of file cnat_ipv4_udp_outside_input.c.

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static void swap_ip_dst ( ipv4_header *  ip, cnat_main_db_entry_t *  db, u16  vrf  )

inlinestatic

Definition at line 141 of file cnat_ipv4_udp_outside_input.c.

void swap_ip_dst_udp_port ( ipv4_header *  ip, udp_hdr_type_t *  udp, cnat_main_db_entry_t *  db, u16  vrf  )

inline

Definition at line 180 of file cnat_ipv4_udp_outside_input.c.

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Variable Documentation

char* cnat_ipv4_udp_outside_input_error_strings[]

static

Initial value:

= {
#define _(sym,string) 
  foreach_cnat_ipv4_udp_outside_input_error

}

Definition at line 56 of file cnat_ipv4_udp_outside_input.c.

cnat_ipv4_udp_outside_input_main_t cnat_ipv4_udp_outside_input_main

Definition at line 81 of file cnat_ipv4_udp_outside_input.c.

vlib_node_registration_t cnat_ipv4_udp_outside_input_node

Initial value:

= {
  .function = cnat_ipv4_udp_outside_input_node_fn,
  .name = "vcgn-v4-udp-o2i",
  .vector_size = sizeof (u32),
  .type = VLIB_NODE_TYPE_INTERNAL,

  .n_errors = ARRAY_LEN(cnat_ipv4_udp_outside_input_error_strings),
  .error_strings = cnat_ipv4_udp_outside_input_error_strings,

  .n_next_nodes = CNAT_V4_UDP_O2I_NEXT,

  








  .next_nodes = {
    [CNAT_V4_UDP_O2I_E] = "error-drop",
    [CNAT_V4_UDP_O2I_T] = "ip4-input",
 },

}

(constructor) VLIB_REGISTER_NODE (cnat_ipv4_udp_outside_input_node)

Definition at line 82 of file cnat_ipv4_udp_outside_input.c.