client.c File Reference

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Macros
#define	DHCP_DBG(...)   vlib_log_debug (dhcp_logger, __VA_ARGS__)
#define	DHCP_INFO(...)   vlib_log_notice (dhcp_logger, __VA_ARGS__)
#define	foreach_dhcp_sent_packet_stat
#define	foreach_dhcp_error_counter

Enumerations
enum	sample_error_t { SAMPLE_N_ERROR, DHCP_STAT_UNKNOWN, DHCP_STAT_N_STAT }

Functions
static u8 *	format_dhcp_client_state (u8 *s, va_list *va)
static u8 *	format_dhcp_client (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	dhcp_client_proc_callback (uword *client_index)
static void	dhcp_client_addr_callback (u32 *cindex)
static void	dhcp_client_reset (dhcp_client_main_t *dcm, 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 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, ip_dscp_t dscp, 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
vlib_log_class_t	dhcp_logger
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

DHCP_DBG

#define DHCP_DBG

(

...

)

vlib_log_debug (dhcp_logger, __VA_ARGS__)

Definition at line 27 of file client.c.

DHCP_INFO

#define DHCP_INFO

(

...

)

vlib_log_notice (dhcp_logger, __VA_ARGS__)

Definition at line 30 of file client.c.

foreach_dhcp_error_counter

#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 39 of file client.c.

foreach_dhcp_sent_packet_stat

#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 33 of file client.c.

Enumeration Type Documentation

sample_error_t

enum sample_error_t

Enumerator
SAMPLE_N_ERROR
DHCP_STAT_UNKNOWN
DHCP_STAT_N_STAT

Definition at line 46 of file client.c.

Function Documentation

dhcp_bound_state()

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

static

Definition at line 748 of file client.c.

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dhcp_client_acquire_address()

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

static

Definition at line 131 of file client.c.

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dhcp_client_add_del()

int dhcp_client_add_del

(

dhcp_client_add_del_args_t *

a

)

Definition at line 963 of file client.c.

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dhcp_client_addr_callback()

static void dhcp_client_addr_callback ( u32 *  cindex )

static

Definition at line 217 of file client.c.

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dhcp_client_config()

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,
		ip_dscp_t	dscp,
		u32	pid
	)

Add/Delete DHCP clients.

Definition at line 1026 of file client.c.

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dhcp_client_for_us()

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 274 of file client.c.

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dhcp_client_init()

static clib_error_t* dhcp_client_init ( vlib_main_t *  vm )

static

Definition at line 1236 of file client.c.

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dhcp_client_proc_callback()

static void dhcp_client_proc_callback ( uword *  client_index )

static

Definition at line 208 of file client.c.

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dhcp_client_process()

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

static

Definition at line 838 of file client.c.

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dhcp_client_release_address()

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

static

Definition at line 172 of file client.c.

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dhcp_client_reset()

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

static

Definition at line 247 of file client.c.

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dhcp_client_set_command_fn()

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 1127 of file client.c.

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dhcp_client_sm()

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

static

Definition at line 793 of file client.c.

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dhcp_client_walk()

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 1111 of file client.c.

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dhcp_discover_state()

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

static

Definition at line 690 of file client.c.

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dhcp_request_state()

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

static

Definition at line 724 of file client.c.

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format_dhcp_client()

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

static

Definition at line 85 of file client.c.

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format_dhcp_client_state()

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

static

Definition at line 63 of file client.c.

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send_dhcp_pkt()

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 460 of file client.c.

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show_dhcp_client_command_fn()

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 910 of file client.c.

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Variable Documentation

dhcp_client_main

dhcp_client_main_t dhcp_client_main

Definition at line 24 of file client.c.

dhcp_client_process_node

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 25 of file client.c.

dhcp_client_process_stat_strings

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 55 of file client.c.

dhcp_client_set_command

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 1228 of file client.c.

dhcp_logger

vlib_log_class_t dhcp_logger

Definition at line 22 of file client.c.

show_dhcp_client_command

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 954 of file client.c.