uip-over-mesh.c File Reference

    Code for tunnelling uIP packets over the Rime mesh routing module

Author

Adam Dunkels adam@.nosp@m.sics.nosp@m..se

#include <stdio.h>
#include "net/ipv4/uip-fw.h"
#include "net/ipv4/uip-over-mesh.h"
#include "net/rime/route-discovery.h"
#include "net/rime/route.h"
#include "net/rime/trickle.h"

Data Structures
struct	gateway_msg

Macros
#define	_DEBUG_   0
#define	BUF   ((struct uip_tcpip_hdr *)&uip_buf[UIP_LLH_LEN])
#define	PRINTF(...)
#define	ROUTE_DISCOVERY_INTERVAL   CLOCK_SECOND * 4
#define	ROUTE_TIMEOUT   CLOCK_SECOND * 4
#define	ROUTE_TRICKLE_INTERVAL   CLOCK_SECOND * 32

Functions
static void	gateway_announce_recv (struct trickle_conn *c)
static void	new_route (struct route_discovery_conn *c, const linkaddr_t *to)
static void	recv_data (struct unicast_conn *c, const linkaddr_t *from)
static void	send_data (linkaddr_t *next)
static void	timedout (struct route_discovery_conn *c)
void	uip_over_mesh_init (uint16_t channels)
void	uip_over_mesh_make_announced_gateway (void)
uint8_t	uip_over_mesh_send (void)
void	uip_over_mesh_set_gateway (linkaddr_t *gw)
void	uip_over_mesh_set_gateway_netif (struct uip_fw_netif *n)
void	uip_over_mesh_set_net (uip_ipaddr_t *addr, uip_ipaddr_t *mask)

Variables
static struct unicast_callbacks	data_callbacks = { recv_data }
static struct unicast_conn	dataconn
static linkaddr_t	gateway
static struct trickle_conn	gateway_announce_conn
static struct uip_fw_netif *	gw_netif
static uint8_t	is_gateway
static uip_ipaddr_t	netaddr
static uip_ipaddr_t	netmask
static struct queuebuf *	queued_packet
static linkaddr_t	queued_receiver
static struct route_discovery_callbacks	rdc = { new_route, timedout }
static struct route_discovery_conn	route_discovery
static const struct trickle_callbacks	trickle_call = {gateway_announce_recv}

#define _DEBUG_   0

#define BUF   ((struct uip_tcpip_hdr *)&uip_buf[UIP_LLH_LEN])

Referenced by recv_data(), and uip_over_mesh_send().

#define PRINTF

(

...

)

Referenced by gateway_announce_recv(), new_route(), recv_data(), send_data(), timedout(), uip_over_mesh_init(), uip_over_mesh_make_announced_gateway(), and uip_over_mesh_send().

#define ROUTE_DISCOVERY_INTERVAL   CLOCK_SECOND * 4

Referenced by uip_over_mesh_init().

#define ROUTE_TIMEOUT   CLOCK_SECOND * 4

Referenced by uip_over_mesh_send().

#define ROUTE_TRICKLE_INTERVAL   CLOCK_SECOND * 32

Referenced by uip_over_mesh_init().

static void gateway_announce_recv ( struct trickle_conn *  c )

static

References gateway_msg::gateway, is_gateway, linkaddr_node_addr, packetbuf_dataptr(), PRINTF, linkaddr_t::u8, and uip_over_mesh_set_gateway().

static void new_route ( struct route_discovery_conn *  c, const linkaddr_t *  to  )

static

References NULL, PRINTF, queuebuf_free(), queuebuf_to_packetbuf(), route_decay(), route_lookup(), rt, and send_data.

static void recv_data ( struct unicast_conn *  c, const linkaddr_t *  from  )

static

References BUF, linkaddr_node_addr, NULL, packetbuf_copyto(), PRINTF, route_add(), route_lookup(), route_refresh(), tcpip_input(), linkaddr_t::u8, uip_buf, uip_ipaddr_maskcmp, uip_len, and UIP_LLH_LEN.

static void send_data ( linkaddr_t *  next )

static

References dataconn, linkaddr_node_addr, packetbuf_totlen(), PRINTF, linkaddr_t::u8, and unicast_send().

static void timedout ( struct route_discovery_conn *  c )

static

References NULL, PRINTF, and queuebuf_free().

void uip_over_mesh_init

(

uint16_t

channels

)

References dataconn, gateway_announce_conn, linkaddr_node_addr, PRINTF, route_discovery, ROUTE_DISCOVERY_INTERVAL, route_discovery_open(), route_init(), route_set_lifetime(), ROUTE_TRICKLE_INTERVAL, trickle_open(), linkaddr_t::u8, uip_ip6addr_t::u8, uip_hostaddr, and unicast_open().

void uip_over_mesh_make_announced_gateway

(

void

)

References gateway_msg::gateway, gateway_announce_conn, is_gateway, linkaddr_copy(), linkaddr_node_addr, packetbuf_copyfrom(), PRINTF, trickle_send(), linkaddr_t::u8, and uip_over_mesh_set_gateway().

uint8_t uip_over_mesh_send

(

void

)

References BUF, linkaddr_cmp(), linkaddr_copy(), linkaddr_node_addr, linkaddr_null, route_entry::nexthop, NULL, uip_fw_netif::output, PACKETBUF_ATTR_ERELIABLE, PACKETBUF_ATTR_RELIABLE, packetbuf_copyfrom(), packetbuf_set_attr(), PRINTF, queuebuf_new_from_packetbuf(), receiver(), route_decay(), route_discovery, route_discovery_discover(), route_lookup(), ROUTE_TIMEOUT, rt, send_data, linkaddr_t::u8, uip_buf, UIP_FW_DROPPED, UIP_FW_OK, uip_ipaddr_maskcmp, uip_ipaddr_to_quad, uip_len, UIP_LLH_LEN, and UIP_PROTO_TCP.

void uip_over_mesh_set_gateway

(

linkaddr_t *

gw

)

References linkaddr_copy().

Referenced by gateway_announce_recv(), and uip_over_mesh_make_announced_gateway().

void uip_over_mesh_set_gateway_netif

(

struct uip_fw_netif *

n

)

References n.

void uip_over_mesh_set_net	(	uip_ipaddr_t *	addr,
		uip_ipaddr_t *	mask
	)

References uip_ipaddr_copy.

struct unicast_callbacks data_callbacks = { recv_data }

static

struct unicast_conn dataconn

static

Referenced by send_data(), and uip_over_mesh_init().

linkaddr_t gateway

static

struct trickle_conn gateway_announce_conn

static

Referenced by uip_over_mesh_init(), and uip_over_mesh_make_announced_gateway().

struct uip_fw_netif* gw_netif

static

uint8_t is_gateway

static

Referenced by gateway_announce_recv(), and uip_over_mesh_make_announced_gateway().

uip_ipaddr_t netaddr

static

uip_ipaddr_t netmask

static

Referenced by ip64_init().

struct queuebuf* queued_packet

static

linkaddr_t queued_receiver

static

struct route_discovery_callbacks rdc = { new_route, timedout }

static

struct route_discovery_conn route_discovery

static

Referenced by uip_over_mesh_init(), and uip_over_mesh_send().

const struct trickle_callbacks trickle_call = {gateway_announce_recv}

static