node.c File Reference

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Data Structures
struct	srp_input_trace_t
struct	srp_input_disposition_t

Typedefs
typedef uword(	srp_control_handler_function_t) (vlib_main_t *vm, u32 sw_if_index, u8 **contents)

Enumerations
enum	srp_input_next_t { SRP_INPUT_NEXT_ERROR, SRP_INPUT_NEXT_ETHERNET_INPUT, SRP_INPUT_NEXT_CONTROL, SRP_INPUT_N_NEXT }

Functions
static u8 *	format_srp_input_trace (u8 *s, va_list *va)
static uword	srp_input (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *from_frame)
static uword	srp_topology_packet (vlib_main_t *vm, u32 sw_if_index, u8 **contents)
static uword	srp_control_input (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *from_frame)
static u8 *	format_srp_ips_request_type (u8 *s, va_list *args)
static u8 *	format_srp_ips_status (u8 *s, va_list *args)
static u8 *	format_srp_ips_state (u8 *s, va_list *args)
static u8 *	format_srp_ring (u8 *s, va_list *args)
static u8 *	format_srp_ips_header (u8 *s, va_list *args)
static u8 *	format_srp_interface (u8 *s, va_list *args)
u8 *	format_srp_device (u8 *s, va_list *args)
static srp_interface_t *	srp_get_interface (u32 sw_if_index, srp_ring_type_t *ring)
static void	init_ips_packet (srp_interface_t *si, srp_ring_type_t tx_ring, srp_ips_header_t *i)
static void	tx_ips_packet (srp_interface_t *si, srp_ring_type_t tx_ring, srp_ips_header_t *i)
static int	requests_switch (srp_ips_request_type_t r)
void	srp_ips_rx_packet (u32 sw_if_index, srp_ips_header_t *h)
void	srp_ips_local_request (u32 sw_if_index, srp_ips_request_type_t request)
static void	maybe_send_ips_message (srp_interface_t *si)
static uword	srp_ips_process (vlib_main_t *vm, vlib_node_runtime_t *rt, vlib_frame_t *f)
static clib_error_t *	srp_init (vlib_main_t *vm)

Variables
srp_main_t	srp_main
static srp_input_disposition_t	srp_input_disposition_by_mode [8]
static char *	srp_error_strings []
static vlib_node_registration_t	srp_input_node
static vlib_node_registration_t	srp_control_input_node
vlib_node_registration_t	srp_ips_process_node

Typedef Documentation

typedef uword( srp_control_handler_function_t) (vlib_main_t *vm, u32 sw_if_index, u8 **contents)

Definition at line 356 of file node.c.

Enumeration Type Documentation

enum srp_input_next_t

Enumerator
SRP_INPUT_NEXT_ERROR
SRP_INPUT_NEXT_ETHERNET_INPUT
SRP_INPUT_NEXT_CONTROL
SRP_INPUT_N_NEXT

Definition at line 61 of file node.c.

Function Documentation

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

Definition at line 553 of file node.c.

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static u8* format_srp_input_trace ( u8 *  s, va_list *  va  )

static

Definition at line 50 of file node.c.

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

static

Definition at line 536 of file node.c.

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

static

Definition at line 523 of file node.c.

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

static

Definition at line 472 of file node.c.

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

static

Definition at line 502 of file node.c.

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

static

Definition at line 487 of file node.c.

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

static

Definition at line 517 of file node.c.

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static void init_ips_packet ( srp_interface_t *  si, srp_ring_type_t  tx_ring, srp_ips_header_t *  i  )

static

Definition at line 586 of file node.c.

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static void maybe_send_ips_message ( srp_interface_t *  si )

static

Definition at line 783 of file node.c.

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static int requests_switch ( srp_ips_request_type_t  r )

static

Definition at line 655 of file node.c.

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

static

Definition at line 361 of file node.c.

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static srp_interface_t* srp_get_interface ( u32  sw_if_index, srp_ring_type_t *  ring  )

inlinestatic

Definition at line 565 of file node.c.

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static clib_error_t* srp_init ( vlib_main_t *  vm )

static

Definition at line 864 of file node.c.

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

static

Definition at line 108 of file node.c.

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void srp_ips_local_request	(	u32	sw_if_index,
		srp_ips_request_type_t	request
	)

Definition at line 750 of file node.c.

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static uword srp_ips_process ( vlib_main_t *  vm, vlib_node_runtime_t *  rt, vlib_frame_t *  f  )

static

Definition at line 839 of file node.c.

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void srp_ips_rx_packet	(	u32	sw_if_index,
		srp_ips_header_t *	h
	)

Definition at line 667 of file node.c.

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static uword srp_topology_packet ( vlib_main_t *  vm, u32  sw_if_index, u8 **  contents  )

static

Definition at line 296 of file node.c.

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static void tx_ips_packet ( srp_interface_t *  si, srp_ring_type_t  tx_ring, srp_ips_header_t *  i  )

static

Definition at line 609 of file node.c.

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Variable Documentation

vlib_node_registration_t srp_control_input_node

static

Initial value:

= {
  .function = srp_control_input,
  .name = "srp-control",
  
  .vector_size = sizeof (u32),

  .n_next_nodes = 1,
  .next_nodes = {
    [0] = "error-drop",
  },

  .format_buffer = format_srp_header_with_length,
  .format_trace = format_srp_input_trace,
  .unformat_buffer = unformat_srp_header,
}

Definition at line 456 of file node.c.

char* srp_error_strings[]

static

Initial value:

= {
#define _(f,s) 
  foreach_srp_error

}

Definition at line 268 of file node.c.

srp_input_disposition_t srp_input_disposition_by_mode[8]

static

Initial value:

= {
  [SRP_MODE_reserved0] = {
    .next_index = SRP_INPUT_NEXT_ERROR,
    .error = SRP_ERROR_UNKNOWN_MODE,
  },
  [SRP_MODE_reserved1] = {
    .next_index = SRP_INPUT_NEXT_ERROR,
    .error = SRP_ERROR_UNKNOWN_MODE,
  },
  [SRP_MODE_reserved2] = {
    .next_index = SRP_INPUT_NEXT_ERROR,
    .error = SRP_ERROR_UNKNOWN_MODE,
  },
  [SRP_MODE_reserved3] = {
    .next_index = SRP_INPUT_NEXT_ERROR,
    .error = SRP_ERROR_UNKNOWN_MODE,
  },
  [SRP_MODE_keep_alive] = {
    .next_index = SRP_INPUT_NEXT_ERROR,
    .error = SRP_ERROR_KEEP_ALIVE_DROPPED,
  },
  [SRP_MODE_data] = {
    .next_index = SRP_INPUT_NEXT_ETHERNET_INPUT,
    .buffer_advance = sizeof (srp_header_t),
  },
  [SRP_MODE_control_pass_to_host] = {
    .next_index = SRP_INPUT_NEXT_CONTROL,
  },
  [SRP_MODE_control_locally_buffered_for_host] = {
    .next_index = SRP_INPUT_NEXT_CONTROL,
  },
}

Definition at line 74 of file node.c.

vlib_node_registration_t srp_input_node

static

Initial value:

= {
  .function = srp_input,
  .name = "srp-input",
  
  .vector_size = sizeof (u32),

  .n_errors = SRP_N_ERROR,
  .error_strings = srp_error_strings,

  .n_next_nodes = SRP_INPUT_N_NEXT,
  .next_nodes = {
    [SRP_INPUT_NEXT_ERROR] = "error-drop",
    [SRP_INPUT_NEXT_ETHERNET_INPUT] = "ethernet-input",
    [SRP_INPUT_NEXT_CONTROL] = "srp-control",
  },

  .format_buffer = format_srp_header_with_length,
  .format_trace = format_srp_input_trace,
  .unformat_buffer = unformat_srp_header,
}

Definition at line 274 of file node.c.

vlib_node_registration_t srp_ips_process_node

Initial value:

= {
    .function = srp_ips_process,
    .type = VLIB_NODE_TYPE_PROCESS,
    .name = "srp-ips-process",
    .state = VLIB_NODE_STATE_DISABLED,
}

Definition at line 857 of file node.c.

srp_main_t srp_main

Definition at line 44 of file node.c.