sctp_output.c File Reference

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Data Structures
struct	sctp_tx_trace_t

Macros
#define	foreach_sctp4_output_next
#define	foreach_sctp6_output_next
#define	sctp_error(n, s)   s,

Typedefs
typedef enum _sctp_output_next	sctp_output_next_t

Functions
void	sctp_flush_frame_to_output (vlib_main_t *vm, u8 thread_index, u8 is_ip4)
	Flush tx frame populated by retransmits and timer pops. More...
static void	sctp_flush_frame_to_ip_lookup (vlib_main_t *vm, u8 thread_index, u8 is_ip4)
	Flush ip lookup tx frames populated by timer pops. More...
void	sctp_flush_frames_to_output (u8 thread_index)
	Flush v4 and v6 sctp and ip-lookup tx frames for thread index. More...
u32	ip4_sctp_compute_checksum (vlib_main_t *vm, vlib_buffer_t *p0, ip4_header_t *ip0)
u32	ip6_sctp_compute_checksum (vlib_main_t *vm, vlib_buffer_t *p0, ip6_header_t *ip0, int *bogus_lengthp)
void	sctp_push_ip_hdr (sctp_main_t *tm, sctp_sub_connection_t *sctp_sub_conn, vlib_buffer_t *b)
static void *	sctp_reuse_buffer (vlib_main_t *vm, vlib_buffer_t *b)
static void *	sctp_init_buffer (vlib_main_t *vm, vlib_buffer_t *b)
static int	sctp_alloc_tx_buffers (sctp_main_t *tm, u8 thread_index, u32 n_free_buffers)
static int	sctp_get_free_buffer_index (sctp_main_t *tm, u32 *bidx)
static void	sctp_enqueue_to_output_i (vlib_main_t *vm, vlib_buffer_t *b, u32 bi, u8 is_ip4, u8 flush)
static void	sctp_enqueue_to_output_now (vlib_main_t *vm, vlib_buffer_t *b, u32 bi, u8 is_ip4)
static void	sctp_enqueue_to_ip_lookup_i (vlib_main_t *vm, vlib_buffer_t *b, u32 bi, u8 is_ip4, u32 fib_index, u8 flush)
static void	sctp_enqueue_to_ip_lookup (vlib_main_t *vm, vlib_buffer_t *b, u32 bi, u8 is_ip4, u32 fib_index)
void	sctp_prepare_init_chunk (sctp_connection_t *sctp_conn, u8 idx, vlib_buffer_t *b)
	Convert buffer to INIT. More...
void	sctp_compute_mac (sctp_connection_t *sctp_conn, sctp_state_cookie_param_t *state_cookie)
void	sctp_prepare_cookie_ack_chunk (sctp_connection_t *sctp_conn, u8 idx, vlib_buffer_t *b)
void	sctp_prepare_cookie_echo_chunk (sctp_connection_t *sctp_conn, u8 idx, vlib_buffer_t *b, u8 reuse_buffer)
void	sctp_send_cookie_echo (sctp_connection_t *sctp_conn)
void	sctp_prepare_operation_error (sctp_connection_t *sctp_conn, u8 idx, vlib_buffer_t *b, u8 err_cause)
	Convert buffer to ERROR. More...
void	sctp_prepare_abort_for_collision (sctp_connection_t *sctp_conn, u8 idx, vlib_buffer_t *b, ip4_address_t *ip4_addr, ip6_address_t *ip6_addr)
	Convert buffer to ABORT. More...
void	sctp_prepare_initack_chunk_for_collision (sctp_connection_t *sctp_conn, u8 idx, vlib_buffer_t *b, ip4_address_t *ip4_addr, ip6_address_t *ip6_addr)
	Convert buffer to INIT-ACK. More...
void	sctp_prepare_initack_chunk (sctp_connection_t *sctp_conn, u8 idx, vlib_buffer_t *b, ip4_address_t *ip4_addr, u8 add_ip4, ip6_address_t *ip6_addr, u8 add_ip6)
	Convert buffer to INIT-ACK. More...
void	sctp_prepare_shutdown_chunk (sctp_connection_t *sctp_conn, u8 idx, vlib_buffer_t *b)
	Convert buffer to SHUTDOWN. More...
void	sctp_send_shutdown (sctp_connection_t *sctp_conn)
void	sctp_prepare_shutdown_ack_chunk (sctp_connection_t *sctp_conn, u8 idx, vlib_buffer_t *b)
	Convert buffer to SHUTDOWN_ACK. More...
void	sctp_send_shutdown_ack (sctp_connection_t *sctp_conn, u8 idx, vlib_buffer_t *b)
void	sctp_prepare_sack_chunk (sctp_connection_t *sctp_conn, u8 idx, vlib_buffer_t *b)
	Convert buffer to SACK. More...
void	sctp_prepare_heartbeat_ack_chunk (sctp_connection_t *sctp_conn, u8 idx, vlib_buffer_t *b)
	Convert buffer to HEARTBEAT_ACK. More...
void	sctp_prepare_heartbeat_chunk (sctp_connection_t *sctp_conn, u8 idx, vlib_buffer_t *b)
	Convert buffer to HEARTBEAT. More...
void	sctp_send_heartbeat (sctp_connection_t *sctp_conn)
void	sctp_prepare_shutdown_complete_chunk (sctp_connection_t *sctp_conn, u8 idx, vlib_buffer_t *b)
	Convert buffer to SHUTDOWN_COMPLETE. More...
void	sctp_send_shutdown_complete (sctp_connection_t *sctp_conn, u8 idx, vlib_buffer_t *b0)
void	sctp_send_init (sctp_connection_t *sctp_conn)
static void	sctp_push_hdr_i (sctp_connection_t *sctp_conn, vlib_buffer_t *b, sctp_state_t next_state)
	Push SCTP header and update connection variables. More...
u32	sctp_push_header (transport_connection_t *trans_conn, vlib_buffer_t *b)
u32	sctp_prepare_data_retransmit (sctp_connection_t *sctp_conn, u8 idx, u32 offset, u32 max_deq_bytes, vlib_buffer_t **b)
void	sctp_data_retransmit (sctp_connection_t *sctp_conn)
static u8	sctp_is_retransmitting (sctp_connection_t *sctp_conn, u8 idx)
static uword	sctp46_output_inline (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *from_frame, int is_ip4)
static uword	sctp4_output (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *from_frame)
static uword	sctp6_output (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *from_frame)
	VLIB_NODE_FUNCTION_MULTIARCH (sctp4_output_node, sctp4_output)
	VLIB_NODE_FUNCTION_MULTIARCH (sctp6_output_node, sctp6_output)

Variables
vlib_node_registration_t	sctp4_output_node
	(constructor) VLIB_REGISTER_NODE (sctp4_output_node) More...
vlib_node_registration_t	sctp6_output_node
	(constructor) VLIB_REGISTER_NODE (sctp6_output_node) More...
static char *	sctp_error_strings []

Macro Definition Documentation

#define foreach_sctp4_output_next

Value:

_ (DROP, "error-drop")                        \
  _ (IP_LOOKUP, "ip4-lookup")

Definition at line 30 of file sctp_output.c.

#define foreach_sctp6_output_next

Value:

_ (DROP, "error-drop")                        \
  _ (IP_LOOKUP, "ip6-lookup")

Definition at line 34 of file sctp_output.c.

#define sctp_error	(		n,
			s
	)		s,

Typedef Documentation

typedef enum _sctp_output_next sctp_output_next_t

Function Documentation

u32 ip4_sctp_compute_checksum	(	vlib_main_t *	vm,
		vlib_buffer_t *	p0,
		ip4_header_t *	ip0
	)

Definition at line 97 of file sctp_output.c.

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u32 ip6_sctp_compute_checksum	(	vlib_main_t *	vm,
		vlib_buffer_t *	p0,
		ip6_header_t *	ip0,
		int *	bogus_lengthp
	)

Definition at line 154 of file sctp_output.c.

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static uword sctp46_output_inline ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  from_frame, int  is_ip4  )

inlinestatic

Definition at line 1589 of file sctp_output.c.

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static uword sctp4_output ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  from_frame  )

static

Definition at line 1867 of file sctp_output.c.

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static uword sctp6_output ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  from_frame  )

static

Definition at line 1874 of file sctp_output.c.

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static int sctp_alloc_tx_buffers ( sctp_main_t *  tm, u8  thread_index, u32  n_free_buffers  )

inlinestatic

Definition at line 285 of file sctp_output.c.

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void sctp_compute_mac	(	sctp_connection_t *	sctp_conn,
		sctp_state_cookie_param_t *	state_cookie
	)

Definition at line 497 of file sctp_output.c.

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void sctp_data_retransmit

(

sctp_connection_t *

sctp_conn

)

Definition at line 1513 of file sctp_output.c.

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static void sctp_enqueue_to_ip_lookup ( vlib_main_t *  vm, vlib_buffer_t *  b, u32  bi, u8  is_ip4, u32  fib_index  )

inlinestatic

Definition at line 405 of file sctp_output.c.

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static void sctp_enqueue_to_ip_lookup_i ( vlib_main_t *  vm, vlib_buffer_t *  b, u32  bi, u8  is_ip4, u32  fib_index, u8  flush  )

inlinestatic

Definition at line 364 of file sctp_output.c.

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static void sctp_enqueue_to_output_i ( vlib_main_t *  vm, vlib_buffer_t *  b, u32  bi, u8  is_ip4, u8  flush  )

inlinestatic

Definition at line 323 of file sctp_output.c.

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static void sctp_enqueue_to_output_now ( vlib_main_t *  vm, vlib_buffer_t *  b, u32  bi, u8  is_ip4  )

inlinestatic

Definition at line 357 of file sctp_output.c.

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static void sctp_flush_frame_to_ip_lookup ( vlib_main_t *  vm, u8  thread_index, u8  is_ip4  )

inlinestatic

Flush ip lookup tx frames populated by timer pops.

Definition at line 70 of file sctp_output.c.

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void sctp_flush_frame_to_output	(	vlib_main_t *	vm,
		u8	thread_index,
		u8	is_ip4
	)

Flush tx frame populated by retransmits and timer pops.

Definition at line 54 of file sctp_output.c.

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void sctp_flush_frames_to_output

(

u8

thread_index

)

Flush v4 and v6 sctp and ip-lookup tx frames for thread index.

Definition at line 87 of file sctp_output.c.

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static int sctp_get_free_buffer_index ( sctp_main_t *  tm, u32 *  bidx  )

inlinestatic

Definition at line 307 of file sctp_output.c.

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static void* sctp_init_buffer ( vlib_main_t *  vm, vlib_buffer_t *  b  )

inlinestatic

Definition at line 271 of file sctp_output.c.

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static u8 sctp_is_retransmitting ( sctp_connection_t *  sctp_conn, u8  idx  )

inlinestatic

Definition at line 1583 of file sctp_output.c.

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void sctp_prepare_abort_for_collision	(	sctp_connection_t *	sctp_conn,
		u8	idx,
		vlib_buffer_t *	b,
		ip4_address_t *	ip4_addr,
		ip6_address_t *	ip6_addr
	)

Convert buffer to ABORT.

Definition at line 688 of file sctp_output.c.

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void sctp_prepare_cookie_ack_chunk	(	sctp_connection_t *	sctp_conn,
		u8	idx,
		vlib_buffer_t *	b
	)

Definition at line 526 of file sctp_output.c.

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void sctp_prepare_cookie_echo_chunk	(	sctp_connection_t *	sctp_conn,
		u8	idx,
		vlib_buffer_t *	b,
		u8	reuse_buffer
	)

Definition at line 560 of file sctp_output.c.

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u32 sctp_prepare_data_retransmit	(	sctp_connection_t *	sctp_conn,
		u8	idx,
		u32	offset,
		u32	max_deq_bytes,
		vlib_buffer_t **	b
	)

Definition at line 1461 of file sctp_output.c.

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void sctp_prepare_heartbeat_ack_chunk	(	sctp_connection_t *	sctp_conn,
		u8	idx,
		vlib_buffer_t *	b
	)

Convert buffer to HEARTBEAT_ACK.

Definition at line 1161 of file sctp_output.c.

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void sctp_prepare_heartbeat_chunk	(	sctp_connection_t *	sctp_conn,
		u8	idx,
		vlib_buffer_t *	b
	)

Convert buffer to HEARTBEAT.

Definition at line 1200 of file sctp_output.c.

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void sctp_prepare_init_chunk	(	sctp_connection_t *	sctp_conn,
		u8	idx,
		vlib_buffer_t *	b
	)

Convert buffer to INIT.

Definition at line 415 of file sctp_output.c.

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void sctp_prepare_initack_chunk	(	sctp_connection_t *	sctp_conn,
		u8	idx,
		vlib_buffer_t *	b,
		ip4_address_t *	ip4_addr,
		u8	add_ip4,
		ip6_address_t *	ip6_addr,
		u8	add_ip6
	)

Convert buffer to INIT-ACK.

Definition at line 869 of file sctp_output.c.

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void sctp_prepare_initack_chunk_for_collision	(	sctp_connection_t *	sctp_conn,
		u8	idx,
		vlib_buffer_t *	b,
		ip4_address_t *	ip4_addr,
		ip6_address_t *	ip6_addr
	)

Convert buffer to INIT-ACK.

Definition at line 729 of file sctp_output.c.

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void sctp_prepare_operation_error	(	sctp_connection_t *	sctp_conn,
		u8	idx,
		vlib_buffer_t *	b,
		u8	err_cause
	)

Convert buffer to ERROR.

Definition at line 643 of file sctp_output.c.

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void sctp_prepare_sack_chunk	(	sctp_connection_t *	sctp_conn,
		u8	idx,
		vlib_buffer_t *	b
	)

Convert buffer to SACK.

Definition at line 1123 of file sctp_output.c.

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void sctp_prepare_shutdown_ack_chunk	(	sctp_connection_t *	sctp_conn,
		u8	idx,
		vlib_buffer_t *	b
	)

Convert buffer to SHUTDOWN_ACK.

Definition at line 1075 of file sctp_output.c.

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void sctp_prepare_shutdown_chunk	(	sctp_connection_t *	sctp_conn,
		u8	idx,
		vlib_buffer_t *	b
	)

Convert buffer to SHUTDOWN.

Definition at line 1012 of file sctp_output.c.

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void sctp_prepare_shutdown_complete_chunk	(	sctp_connection_t *	sctp_conn,
		u8	idx,
		vlib_buffer_t *	b
	)

Convert buffer to SHUTDOWN_COMPLETE.

Definition at line 1269 of file sctp_output.c.

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static void sctp_push_hdr_i ( sctp_connection_t *  sctp_conn, vlib_buffer_t *  b, sctp_state_t  next_state  )

static

Push SCTP header and update connection variables.

Definition at line 1363 of file sctp_output.c.

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u32 sctp_push_header	(	transport_connection_t *	trans_conn,
		vlib_buffer_t *	b
	)

Definition at line 1439 of file sctp_output.c.

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void sctp_push_ip_hdr	(	sctp_main_t *	tm,
		sctp_sub_connection_t *	sctp_sub_conn,
		vlib_buffer_t *	b
	)

Definition at line 228 of file sctp_output.c.

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static void* sctp_reuse_buffer ( vlib_main_t *  vm, vlib_buffer_t *  b  )

inlinestatic

Definition at line 254 of file sctp_output.c.

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void sctp_send_cookie_echo

(

sctp_connection_t *

sctp_conn

)

Definition at line 598 of file sctp_output.c.

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void sctp_send_heartbeat

(

sctp_connection_t *

sctp_conn

)

Definition at line 1232 of file sctp_output.c.

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void sctp_send_init

(

sctp_connection_t *

sctp_conn

)

Definition at line 1314 of file sctp_output.c.

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void sctp_send_shutdown

(

sctp_connection_t *

sctp_conn

)

Definition at line 1048 of file sctp_output.c.

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void sctp_send_shutdown_ack	(	sctp_connection_t *	sctp_conn,
		u8	idx,
		vlib_buffer_t *	b
	)

Definition at line 1106 of file sctp_output.c.

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void sctp_send_shutdown_complete	(	sctp_connection_t *	sctp_conn,
		u8	idx,
		vlib_buffer_t *	b0
	)

Definition at line 1297 of file sctp_output.c.

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VLIB_NODE_FUNCTION_MULTIARCH	(	sctp4_output_node	,
		sctp4_output
	)

VLIB_NODE_FUNCTION_MULTIARCH	(	sctp6_output_node	,
		sctp6_output
	)

Variable Documentation

vlib_node_registration_t sctp4_output_node

Initial value:

=
{
  .function = sctp4_output,.name = "sctp4-output",
    
    .vector_size = sizeof (u32),
    .n_errors = SCTP_N_ERROR,
    .error_strings = sctp_error_strings,
    .n_next_nodes = SCTP_OUTPUT_N_NEXT,
    .next_nodes = {
#define _(s,n) 
    foreach_sctp4_output_next

    },
    .format_buffer = format_sctp_header,
    .format_trace = format_sctp_tx_trace,
}

(constructor) VLIB_REGISTER_NODE (sctp4_output_node)

Definition at line 20 of file sctp_output.c.

vlib_node_registration_t sctp6_output_node

Initial value:

=
{
  .function = sctp6_output,
  .name = "sctp6-output",
    
  .vector_size = sizeof (u32),
  .n_errors = SCTP_N_ERROR,
  .error_strings = sctp_error_strings,
  .n_next_nodes = SCTP_OUTPUT_N_NEXT,
  .next_nodes = {
#define _(s,n) 
    foreach_sctp6_output_next

  },
  .format_buffer = format_sctp_header,
  .format_trace = format_sctp_tx_trace,
}

(constructor) VLIB_REGISTER_NODE (sctp6_output_node)

Definition at line 21 of file sctp_output.c.

char* sctp_error_strings[]

static

Initial value:

= {
#define sctp_error(n,s) 


}

Definition at line 38 of file sctp_output.c.