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Vector Packet Processing
transport.c File Reference
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Macros

#define PORT_MASK   ((1 << 16)- 1)
 

Functions

u8format_transport_proto (u8 *s, va_list *args)
 
u8format_transport_proto_short (u8 *s, va_list *args)
 
u8format_transport_connection (u8 *s, va_list *args)
 
u8format_transport_listen_connection (u8 *s, va_list *args)
 
u8format_transport_half_open_connection (u8 *s, va_list *args)
 
static u8 unformat_transport_str_match (unformat_input_t *input, const char *str)
 
uword unformat_transport_proto (unformat_input_t *input, va_list *args)
 
u32 transport_endpoint_lookup (transport_endpoint_table_t *ht, u8 proto, ip46_address_t *ip, u16 port)
 
void transport_endpoint_table_add (transport_endpoint_table_t *ht, u8 proto, transport_endpoint_t *te, u32 value)
 
void transport_endpoint_table_del (transport_endpoint_table_t *ht, u8 proto, transport_endpoint_t *te)
 
void transport_register_protocol (transport_proto_t transport_proto, const transport_proto_vft_t *vft, fib_protocol_t fib_proto, u32 output_node)
 Register transport virtual function table. More...
 
transport_proto_vft_ttransport_protocol_get_vft (transport_proto_t transport_proto)
 Get transport virtual function table. More...
 
u8 transport_half_open_has_fifos (transport_proto_t tp)
 
transport_service_type_t transport_protocol_service_type (transport_proto_t tp)
 
transport_tx_fn_type_t transport_protocol_tx_fn_type (transport_proto_t tp)
 
void transport_cleanup (transport_proto_t tp, u32 conn_index, u8 thread_index)
 
int transport_connect (transport_proto_t tp, transport_endpoint_cfg_t *tep)
 
void transport_close (transport_proto_t tp, u32 conn_index, u8 thread_index)
 
void transport_reset (transport_proto_t tp, u32 conn_index, u8 thread_index)
 
u32 transport_start_listen (transport_proto_t tp, u32 session_index, transport_endpoint_t *tep)
 
u32 transport_stop_listen (transport_proto_t tp, u32 conn_index)
 
u8 transport_protocol_is_cl (transport_proto_t tp)
 
static void default_get_transport_endpoint (transport_connection_t *tc, transport_endpoint_t *tep, u8 is_lcl)
 
void transport_get_endpoint (transport_proto_t tp, u32 conn_index, u32 thread_index, transport_endpoint_t *tep, u8 is_lcl)
 
void transport_get_listener_endpoint (transport_proto_t tp, u32 conn_index, transport_endpoint_t *tep, u8 is_lcl)
 
void transport_endpoint_del (u32 tepi)
 
static transport_endpoint_ttransport_endpoint_new (void)
 
void transport_endpoint_cleanup (u8 proto, ip46_address_t *lcl_ip, u16 port)
 
static void transport_endpoint_mark_used (u8 proto, ip46_address_t *ip, u16 port)
 
int transport_alloc_local_port (u8 proto, ip46_address_t *ip)
 Allocate local port and add if successful add entry to local endpoint table to mark the pair as used. More...
 
static clib_error_ttransport_get_interface_ip (u32 sw_if_index, u8 is_ip4, ip46_address_t *addr)
 
static clib_error_ttransport_find_local_ip_for_remote (u32 sw_if_index, transport_endpoint_t *rmt, ip46_address_t *lcl_addr)
 
int transport_alloc_local_endpoint (u8 proto, transport_endpoint_cfg_t *rmt_cfg, ip46_address_t *lcl_addr, u16 *lcl_port)
 
u8format_clib_us_time (u8 *s, va_list *args)
 
u8format_transport_pacer (u8 *s, va_list *args)
 
static u32 spacer_max_burst (spacer_t *pacer, clib_us_time_t time_now)
 
static void spacer_update_bucket (spacer_t *pacer, u32 bytes)
 
static void spacer_set_pace_rate (spacer_t *pacer, u64 rate_bytes_per_sec, clib_us_time_t rtt)
 
static u64 spacer_pace_rate (spacer_t *pacer)
 
static void spacer_reset (spacer_t *pacer, clib_us_time_t time_now, u64 bucket)
 
void transport_connection_tx_pacer_reset (transport_connection_t *tc, u64 rate_bytes_per_sec, u32 start_bucket, clib_us_time_t rtt)
 
void transport_connection_tx_pacer_reset_bucket (transport_connection_t *tc, u32 bucket)
 Reset tx pacer bucket. More...
 
void transport_connection_tx_pacer_init (transport_connection_t *tc, u64 rate_bytes_per_sec, u32 initial_bucket)
 Initialize tx pacer for connection. More...
 
void transport_connection_tx_pacer_update (transport_connection_t *tc, u64 bytes_per_sec, clib_us_time_t rtt)
 Update tx pacer pacing rate. More...
 
u32 transport_connection_tx_pacer_burst (transport_connection_t *tc)
 Get tx pacer max burst. More...
 
u64 transport_connection_tx_pacer_rate (transport_connection_t *tc)
 Get tx pacer current rate. More...
 
void transport_connection_update_tx_bytes (transport_connection_t *tc, u32 bytes)
 Update tx bytes for paced transport connection. More...
 
void transport_connection_tx_pacer_update_bytes (transport_connection_t *tc, u32 bytes)
 
void transport_update_time (clib_time_type_t time_now, u8 thread_index)
 
void transport_enable_disable (vlib_main_t *vm, u8 is_en)
 
void transport_init (void)
 

Variables

transport_proto_vft_ttp_vfts
 Per-type vector of transport protocol virtual function tables. More...
 
static u32 port_allocator_seed
 
static transport_endpoint_table_t local_endpoints_table
 
static transport_endpoint_tlocal_endpoints
 
static clib_spinlock_t local_endpoints_lock
 

Macro Definition Documentation

◆ PORT_MASK

#define PORT_MASK   ((1 << 16)- 1)

Definition at line 376 of file transport.c.

Function Documentation

◆ default_get_transport_endpoint()

static void default_get_transport_endpoint ( transport_connection_t tc,
transport_endpoint_t tep,
u8  is_lcl 
)
inlinestatic

Definition at line 329 of file transport.c.

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◆ format_clib_us_time()

u8* format_clib_us_time ( u8 s,
va_list *  args 
)

Definition at line 583 of file transport.c.

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◆ format_transport_connection()

u8* format_transport_connection ( u8 s,
va_list *  args 
)

Definition at line 84 of file transport.c.

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◆ format_transport_half_open_connection()

u8* format_transport_half_open_connection ( u8 s,
va_list *  args 
)

Definition at line 125 of file transport.c.

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◆ format_transport_listen_connection()

u8* format_transport_listen_connection ( u8 s,
va_list *  args 
)

Definition at line 111 of file transport.c.

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◆ format_transport_pacer()

u8* format_transport_pacer ( u8 s,
va_list *  args 
)

Definition at line 594 of file transport.c.

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◆ format_transport_proto()

u8* format_transport_proto ( u8 s,
va_list *  args 
)

Definition at line 46 of file transport.c.

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◆ format_transport_proto_short()

u8* format_transport_proto_short ( u8 s,
va_list *  args 
)

Definition at line 65 of file transport.c.

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◆ spacer_max_burst()

static u32 spacer_max_burst ( spacer_t pacer,
clib_us_time_t  time_now 
)
inlinestatic

Definition at line 609 of file transport.c.

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◆ spacer_pace_rate()

static u64 spacer_pace_rate ( spacer_t pacer)
inlinestatic

Definition at line 649 of file transport.c.

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◆ spacer_reset()

static void spacer_reset ( spacer_t pacer,
clib_us_time_t  time_now,
u64  bucket 
)
inlinestatic

Definition at line 655 of file transport.c.

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◆ spacer_set_pace_rate()

static void spacer_set_pace_rate ( spacer_t pacer,
u64  rate_bytes_per_sec,
clib_us_time_t  rtt 
)
inlinestatic

Definition at line 638 of file transport.c.

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◆ spacer_update_bucket()

static void spacer_update_bucket ( spacer_t pacer,
u32  bytes 
)
inlinestatic

Definition at line 631 of file transport.c.

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◆ transport_alloc_local_endpoint()

int transport_alloc_local_endpoint ( u8  proto,
transport_endpoint_cfg_t rmt_cfg,
ip46_address_t *  lcl_addr,
u16 lcl_port 
)

Definition at line 526 of file transport.c.

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◆ transport_alloc_local_port()

int transport_alloc_local_port ( u8  proto,
ip46_address_t *  ip 
)

Allocate local port and add if successful add entry to local endpoint table to mark the pair as used.

Definition at line 429 of file transport.c.

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◆ transport_cleanup()

void transport_cleanup ( transport_proto_t  tp,
u32  conn_index,
u8  thread_index 
)

Definition at line 283 of file transport.c.

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◆ transport_close()

void transport_close ( transport_proto_t  tp,
u32  conn_index,
u8  thread_index 
)

Definition at line 295 of file transport.c.

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◆ transport_connect()

int transport_connect ( transport_proto_t  tp,
transport_endpoint_cfg_t tep 
)

Definition at line 289 of file transport.c.

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◆ transport_connection_tx_pacer_burst()

u32 transport_connection_tx_pacer_burst ( transport_connection_t tc)

Get tx pacer max burst.

Parameters
tctransport connection
time_nowcurrent cpu time
Returns
max burst for connection

Definition at line 696 of file transport.c.

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◆ transport_connection_tx_pacer_init()

void transport_connection_tx_pacer_init ( transport_connection_t tc,
u64  rate_bytes_per_sec,
u32  initial_bucket 
)

Initialize tx pacer for connection.

Parameters
tctransport connection
rate_bytes_per_secondinitial byte rate
burst_bytesinitial burst size in bytes

Definition at line 679 of file transport.c.

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◆ transport_connection_tx_pacer_rate()

u64 transport_connection_tx_pacer_rate ( transport_connection_t tc)

Get tx pacer current rate.

Parameters
tctransport connection
Returns
rate for connection in bytes/s

Definition at line 703 of file transport.c.

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◆ transport_connection_tx_pacer_reset()

void transport_connection_tx_pacer_reset ( transport_connection_t tc,
u64  rate_bytes_per_sec,
u32  start_bucket,
clib_us_time_t  rtt 
)

Definition at line 662 of file transport.c.

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◆ transport_connection_tx_pacer_reset_bucket()

void transport_connection_tx_pacer_reset_bucket ( transport_connection_t tc,
u32  bucket 
)

Reset tx pacer bucket.

Parameters
tctransport connection
bucketvalue the bucket will be reset to

Definition at line 672 of file transport.c.

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◆ transport_connection_tx_pacer_update()

void transport_connection_tx_pacer_update ( transport_connection_t tc,
u64  bytes_per_sec,
clib_us_time_t  rtt 
)

Update tx pacer pacing rate.

Parameters
tctransport connection
bytes_per_secnew pacing rate
rttconnection rtt that is used to compute inactivity time after which pacer bucket is reset to 1 mtu

Definition at line 689 of file transport.c.

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◆ transport_connection_tx_pacer_update_bytes()

void transport_connection_tx_pacer_update_bytes ( transport_connection_t tc,
u32  bytes 
)

Definition at line 716 of file transport.c.

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◆ transport_connection_update_tx_bytes()

void transport_connection_update_tx_bytes ( transport_connection_t tc,
u32  bytes 
)

Update tx bytes for paced transport connection.

If tx pacing is enabled, this update pacer bucket to account for the amount of bytes that have been sent.

Parameters
tctransport connection
bytesbytes recently sent

Definition at line 709 of file transport.c.

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◆ transport_enable_disable()

void transport_enable_disable ( vlib_main_t vm,
u8  is_en 
)

Definition at line 734 of file transport.c.

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◆ transport_endpoint_cleanup()

void transport_endpoint_cleanup ( u8  proto,
ip46_address_t *  lcl_ip,
u16  port 
)

Definition at line 395 of file transport.c.

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◆ transport_endpoint_del()

void transport_endpoint_del ( u32  tepi)

Definition at line 379 of file transport.c.

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◆ transport_endpoint_lookup()

u32 transport_endpoint_lookup ( transport_endpoint_table_t ht,
u8  proto,
ip46_address_t *  ip,
u16  port 
)

Definition at line 185 of file transport.c.

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◆ transport_endpoint_mark_used()

static void transport_endpoint_mark_used ( u8  proto,
ip46_address_t *  ip,
u16  port 
)
static

Definition at line 412 of file transport.c.

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◆ transport_endpoint_new()

static transport_endpoint_t* transport_endpoint_new ( void  )
inlinestatic

Definition at line 387 of file transport.c.

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◆ transport_endpoint_table_add()

void transport_endpoint_table_add ( transport_endpoint_table_t ht,
u8  proto,
transport_endpoint_t te,
u32  value 
)

Definition at line 203 of file transport.c.

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◆ transport_endpoint_table_del()

void transport_endpoint_table_del ( transport_endpoint_table_t ht,
u8  proto,
transport_endpoint_t te 
)

Definition at line 217 of file transport.c.

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◆ transport_find_local_ip_for_remote()

static clib_error_t* transport_find_local_ip_for_remote ( u32  sw_if_index,
transport_endpoint_t rmt,
ip46_address_t *  lcl_addr 
)
static

Definition at line 492 of file transport.c.

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◆ transport_get_endpoint()

void transport_get_endpoint ( transport_proto_t  tp,
u32  conn_index,
u32  thread_index,
transport_endpoint_t tep,
u8  is_lcl 
)

Definition at line 347 of file transport.c.

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◆ transport_get_interface_ip()

static clib_error_t* transport_get_interface_ip ( u32  sw_if_index,
u8  is_ip4,
ip46_address_t *  addr 
)
static

Definition at line 466 of file transport.c.

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◆ transport_get_listener_endpoint()

void transport_get_listener_endpoint ( transport_proto_t  tp,
u32  conn_index,
transport_endpoint_t tep,
u8  is_lcl 
)

Definition at line 363 of file transport.c.

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◆ transport_half_open_has_fifos()

u8 transport_half_open_has_fifos ( transport_proto_t  tp)

Definition at line 265 of file transport.c.

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◆ transport_init()

void transport_init ( void  )

Definition at line 745 of file transport.c.

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◆ transport_protocol_get_vft()

transport_proto_vft_t* transport_protocol_get_vft ( transport_proto_t  transport_proto)

Get transport virtual function table.

Parameters
type- session type (not protocol type)

Definition at line 257 of file transport.c.

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◆ transport_protocol_is_cl()

u8 transport_protocol_is_cl ( transport_proto_t  tp)

Definition at line 323 of file transport.c.

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◆ transport_protocol_service_type()

transport_service_type_t transport_protocol_service_type ( transport_proto_t  tp)

Definition at line 271 of file transport.c.

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◆ transport_protocol_tx_fn_type()

transport_tx_fn_type_t transport_protocol_tx_fn_type ( transport_proto_t  tp)

Definition at line 277 of file transport.c.

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◆ transport_register_protocol()

void transport_register_protocol ( transport_proto_t  transport_proto,
const transport_proto_vft_t vft,
fib_protocol_t  fib_proto,
u32  output_node 
)

Register transport virtual function table.

Parameters
transport_proto- transport protocol type (i.e., TCP, UDP ..)
vft- virtual function table for transport proto
fib_proto- network layer protocol
output_node- output node index that session layer will hand off buffers to, for requested fib proto

Definition at line 239 of file transport.c.

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◆ transport_reset()

void transport_reset ( transport_proto_t  tp,
u32  conn_index,
u8  thread_index 
)

Definition at line 301 of file transport.c.

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◆ transport_start_listen()

u32 transport_start_listen ( transport_proto_t  tp,
u32  session_index,
transport_endpoint_t tep 
)

Definition at line 310 of file transport.c.

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◆ transport_stop_listen()

u32 transport_stop_listen ( transport_proto_t  tp,
u32  conn_index 
)

Definition at line 317 of file transport.c.

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◆ transport_update_time()

void transport_update_time ( clib_time_type_t  time_now,
u8  thread_index 
)

Definition at line 723 of file transport.c.

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◆ unformat_transport_proto()

uword unformat_transport_proto ( unformat_input_t input,
va_list *  args 
)

Definition at line 156 of file transport.c.

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◆ unformat_transport_str_match()

static u8 unformat_transport_str_match ( unformat_input_t input,
const char *  str 
)
static

Definition at line 140 of file transport.c.

Variable Documentation

◆ local_endpoints

transport_endpoint_t* local_endpoints
static

Definition at line 38 of file transport.c.

◆ local_endpoints_lock

clib_spinlock_t local_endpoints_lock
static

Definition at line 43 of file transport.c.

◆ local_endpoints_table

transport_endpoint_table_t local_endpoints_table
static

Definition at line 33 of file transport.c.

◆ port_allocator_seed

u32 port_allocator_seed
static

Definition at line 28 of file transport.c.

◆ tp_vfts

Per-type vector of transport protocol virtual function tables.

Definition at line 23 of file transport.c.