client.c File Reference

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Macros
#define	foreach_dhcp_sent_packet_stat
#define	foreach_dhcp_error_counter

Enumerations
enum	sample_error_t { DHCP_STAT_UNKNOWN, DHCP_STAT_N_STAT, SAMPLE_N_ERROR }

Functions
static u8 *	format_dhcp_client_state (u8 *s, va_list *va)
static void	dhcp_client_acquire_address (dhcp_client_main_t *dcm, dhcp_client_t *c)
static void	dhcp_client_release_address (dhcp_client_main_t *dcm, dhcp_client_t *c)
static void	set_l2_rewrite (dhcp_client_main_t *dcm, dhcp_client_t *c)
void	vl_api_rpc_call_main_thread (void *fp, u8 *data, u32 data_length)
static void	dhcp_client_proc_callback (uword *client_index)
static void	dhcp_client_addr_callback (dhcp_client_t *c)
int	dhcp_client_for_us (u32 bi, vlib_buffer_t *b, ip4_header_t *ip, udp_header_t *udp, dhcp_header_t *dhcp)
static void	send_dhcp_pkt (dhcp_client_main_t *dcm, dhcp_client_t *c, dhcp_packet_type_t type, int is_broadcast)
static int	dhcp_discover_state (dhcp_client_main_t *dcm, dhcp_client_t *c, f64 now)
static int	dhcp_request_state (dhcp_client_main_t *dcm, dhcp_client_t *c, f64 now)
static int	dhcp_bound_state (dhcp_client_main_t *dcm, dhcp_client_t *c, f64 now)
static f64	dhcp_client_sm (f64 now, f64 timeout, uword pool_index)
static uword	dhcp_client_process (vlib_main_t *vm, vlib_node_runtime_t *rt, vlib_frame_t *f)
static u8 *	format_dhcp_client (u8 *s, va_list *va)
static clib_error_t *	show_dhcp_client_command_fn (vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
int	dhcp_client_add_del (dhcp_client_add_del_args_t *a)
int	dhcp_client_config (u32 is_add, u32 client_index, vlib_main_t *vm, u32 sw_if_index, u8 *hostname, u8 *client_id, dhcp_event_cb_t event_callback, u8 set_broadcast_flag, u32 pid)
	Add/Delete DHCP clients. More...
void	dhcp_client_walk (dhcp_client_walk_cb_t cb, void *ctx)
	Walk (visit each) DHCP client configuration. More...
static clib_error_t *	dhcp_client_set_command_fn (vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
static clib_error_t *	dhcp_client_init (vlib_main_t *vm)

Variables
dhcp_client_main_t	dhcp_client_main
static vlib_node_registration_t	dhcp_client_process_node
	(constructor) VLIB_REGISTER_NODE (dhcp_client_process_node) More...
static char *	dhcp_client_process_stat_strings []
static vlib_cli_command_t	show_dhcp_client_command
	(constructor) VLIB_CLI_COMMAND (show_dhcp_client_command) More...
static vlib_cli_command_t	dhcp_client_set_command
	(constructor) VLIB_CLI_COMMAND (dhcp_client_set_command) More...

Macro Definition Documentation

#define foreach_dhcp_error_counter

Value:

_(NOT_FOR_US, "DHCP packets for other hosts, dropped")                  \
_(NAK, "DHCP nak packets received")                                     \
_(NON_OFFER_DISCOVER, "DHCP non-offer packets in discover state")       \
_(ODDBALL, "DHCP non-ack, non-offer packets received")                  \
_(BOUND, "DHCP bind success")

Definition at line 30 of file client.c.

#define foreach_dhcp_sent_packet_stat

Value:

_(DISCOVER, "DHCP discover packets sent")       \
_(OFFER, "DHCP offer packets sent")             \
_(REQUEST, "DHCP request packets sent")         \
_(ACK, "DHCP ack packets sent")

Definition at line 24 of file client.c.

Enumeration Type Documentation

enum sample_error_t

Enumerator
DHCP_STAT_UNKNOWN
DHCP_STAT_N_STAT
SAMPLE_N_ERROR

Definition at line 37 of file client.c.

Function Documentation

static int dhcp_bound_state ( dhcp_client_main_t *  dcm, dhcp_client_t *  c, f64  now  )

static

Definition at line 619 of file client.c.

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static void dhcp_client_acquire_address ( dhcp_client_main_t *  dcm, dhcp_client_t *  c  )

static

Definition at line 55 of file client.c.

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int dhcp_client_add_del

(

dhcp_client_add_del_args_t *

a

)

Definition at line 891 of file client.c.

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static void dhcp_client_addr_callback ( dhcp_client_t *  c )

static

Definition at line 100 of file client.c.

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int dhcp_client_config	(	u32	is_add,
		u32	client_index,
		vlib_main_t *	vm,
		u32	sw_if_index,
		u8 *	hostname,
		u8 *	client_id,
		dhcp_event_cb_t	event_callback,
		u8	set_broadcast_flag,
		u32	pid
	)

Add/Delete DHCP clients.

Definition at line 975 of file client.c.

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int dhcp_client_for_us	(	u32	bi,
		vlib_buffer_t *	b,
		ip4_header_t *	ip,
		udp_header_t *	udp,
		dhcp_header_t *	dhcp
	)

Definition at line 161 of file client.c.

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static clib_error_t* dhcp_client_init ( vlib_main_t *  vm )

static

Definition at line 1186 of file client.c.

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static void dhcp_client_proc_callback ( uword *  client_index )

static

Definition at line 91 of file client.c.

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

static

Definition at line 732 of file client.c.

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static void dhcp_client_release_address ( dhcp_client_main_t *  dcm, dhcp_client_t *  c  )

static

Definition at line 66 of file client.c.

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

static

Definition at line 1077 of file client.c.

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static f64 dhcp_client_sm ( f64  now, f64  timeout, uword  pool_index  )

static

Definition at line 686 of file client.c.

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void dhcp_client_walk	(	dhcp_client_walk_cb_t	cb,
		void *	ctx
	)

Walk (visit each) DHCP client configuration.

Parameters

cb	The callback function invoked as each client is visited
ctx	Context data passed back to the client in the invocation of the callback.

Definition at line 1061 of file client.c.

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static int dhcp_discover_state ( dhcp_client_main_t *  dcm, dhcp_client_t *  c, f64  now  )

static

Definition at line 572 of file client.c.

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static int dhcp_request_state ( dhcp_client_main_t *  dcm, dhcp_client_t *  c, f64  now  )

static

Definition at line 598 of file client.c.

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

static

Definition at line 812 of file client.c.

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

static

Definition at line 790 of file client.c.

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static void send_dhcp_pkt ( dhcp_client_main_t *  dcm, dhcp_client_t *  c, dhcp_packet_type_t  type, int  is_broadcast  )

static

Definition at line 355 of file client.c.

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static void set_l2_rewrite ( dhcp_client_main_t *  dcm, dhcp_client_t *  c  )

static

Definition at line 79 of file client.c.

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

static

Definition at line 838 of file client.c.

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void vl_api_rpc_call_main_thread	(	void *	fp,
		u8 *	data,
		u32	data_length
	)

Definition at line 636 of file vlib_api.c.

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Variable Documentation

dhcp_client_main_t dhcp_client_main

Definition at line 20 of file client.c.

static vlib_node_registration_t dhcp_client_process_node

static

Initial value:

= {
    .function = dhcp_client_process,
    .type = VLIB_NODE_TYPE_PROCESS,
    .name = "dhcp-client-process",
    .process_log2_n_stack_bytes = 16,
    .n_errors = ARRAY_LEN(dhcp_client_process_stat_strings),
    .error_strings = dhcp_client_process_stat_strings,
}

(constructor) VLIB_REGISTER_NODE (dhcp_client_process_node)

Definition at line 22 of file client.c.

char* dhcp_client_process_stat_strings[]

static

Initial value:

= {
#define _(sym,string) 
  foreach_dhcp_sent_packet_stat foreach_dhcp_error_counter

    "DHCP unknown packets sent",
}

Definition at line 46 of file client.c.

vlib_cli_command_t dhcp_client_set_command

static

Initial value:

= {
  .path = "set dhcp client",
  .short_help = "set dhcp client [del] intfc <interface> [hostname <name>]",
  .function = dhcp_client_set_command_fn,
}

(constructor) VLIB_CLI_COMMAND (dhcp_client_set_command)

Definition at line 1178 of file client.c.

vlib_cli_command_t show_dhcp_client_command

static

Initial value:

= {
  .path = "show dhcp client",
  .short_help = "show dhcp client [intfc <intfc>][verbose]",
  .function = show_dhcp_client_command_fn,
}

(constructor) VLIB_CLI_COMMAND (show_dhcp_client_command)

Definition at line 882 of file client.c.