Exemplo n.º 1
0
struct net_buf *l2_buf_get_reserve(uint16_t reserve_head)
#endif
{
	struct net_buf *buf;

	buf = net_buf_get(&free_l2_bufs, reserve_head);
	if (!buf) {
#ifdef DEBUG_L2_BUFS
		NET_ERR("Failed to get free L2 buffer (%s():%d)\n",
			caller, line);
#else
		NET_ERR("Failed to get free L2 buffer\n");
#endif
		return NULL;
	}

	dec_free_l2_bufs(buf);

	NET_BUF_CHECK_IF_NOT_IN_USE(buf);

#ifdef DEBUG_L2_BUFS
	NET_DBG("[%d] buf %p reserve %u ref %d (%s():%d)\n",
		get_free_l2_bufs(), buf, reserve_head, buf->ref,
		caller, line);
#else
	NET_DBG("buf %p reserve %u ref %d\n", buf, reserve_head, buf->ref);
#endif

	packetbuf_clear(buf);

	return buf;
}
Exemplo n.º 2
0
static int resolve_name(struct http_client_ctx *ctx,
			const char *server,
			enum dns_query_type type)
{
	struct waiter dns_waiter;
	int ret;

	dns_waiter.ctx = ctx;
	k_sem_init(&dns_waiter.wait, 0, 1);

	ret = dns_get_addr_info(server, type, &ctx->dns_id, dns_cb,
				&dns_waiter, DNS_WAIT);
	if (ret < 0) {
		NET_ERR("Cannot resolve %s (%d)", server, ret);
		ctx->dns_id = 0;
		return ret;
	}

	/* Wait a little longer for the DNS to finish so that
	 * the DNS will timeout before the semaphore.
	 */
	if (k_sem_take(&dns_waiter.wait, DNS_WAIT_SEM)) {
		NET_ERR("Timeout while resolving %s", server);
		ctx->dns_id = 0;
		return -ETIMEDOUT;
	}

	ctx->dns_id = 0;

	if (ctx->tcp.remote.family == AF_UNSPEC) {
		return -EINVAL;
	}

	return 0;
}
Exemplo n.º 3
0
int start_tcp(void)
{
	int ret = 0;

	if (IS_ENABLED(CONFIG_NET_IPV6)) {
		ret = connect_tcp(&tcp6, CONFIG_NET_APP_PEER_IPV6_ADDR,
				  &conf.ipv6, tls_result_ipv6,
				  sizeof(tls_result_ipv6),
				  net_app_tls_stack_ipv6,
				  K_THREAD_STACK_SIZEOF(
					  net_app_tls_stack_ipv6));
		if (ret < 0) {
			NET_ERR("Cannot init IPv6 TCP client (%d)", ret);
		}
	}

	if (IS_ENABLED(CONFIG_NET_IPV4)) {
		ret = connect_tcp(&tcp4, CONFIG_NET_APP_PEER_IPV4_ADDR,
				  &conf.ipv4, tls_result_ipv4,
				  sizeof(tls_result_ipv4),
				  net_app_tls_stack_ipv4,
				  K_THREAD_STACK_SIZEOF(
					  net_app_tls_stack_ipv4));
		if (ret < 0) {
			NET_ERR("Cannot init IPv6 TCP client (%d)", ret);
		}
	}

	return ret;
}
Exemplo n.º 4
0
static int bt_connect(u32_t mgmt_request, struct net_if *iface, void *data,
		      size_t len)
{
	struct bt_context *ctxt = net_if_get_device(iface)->driver_data;
	bt_addr_le_t *addr = data;

	if (len != sizeof(*addr)) {
		NET_ERR("Invalid address");
		return -EINVAL;
	}

	if (ctxt->ipsp_chan.chan.conn) {
		NET_ERR("No channels available");
		return -ENOMEM;
	}

	if (default_conn) {
		return bt_l2cap_chan_connect(default_conn,
					     &ctxt->ipsp_chan.chan,
					     L2CAP_IPSP_PSM);
	}

	default_conn = bt_conn_create_le(addr, BT_LE_CONN_PARAM_DEFAULT);

	return 0;
}
Exemplo n.º 5
0
static int do_sync_http_req(struct http_client_ctx *ctx,
			    enum http_method method,
			    const char *url,
			    const char *content_type,
			    const char *payload)
{
	struct http_client_request req = {};
	int ret;

	req.method = method;
	req.url = url;
	req.protocol = " " HTTP_PROTOCOL HTTP_CRLF;

	ret = http_client_send_req(ctx, &req, NULL, result, sizeof(result),
				   NULL, APP_REQ_TIMEOUT);
	if (ret < 0) {
		NET_ERR("Cannot send %s request (%d)", http_method_str(method),
			ret);
		goto out;
	}

	if (ctx->rsp.data_len > sizeof(result)) {
		NET_ERR("Result buffer overflow by %zd bytes",
		       ctx->rsp.data_len - sizeof(result));

		ret = -E2BIG;
	} else {
		NET_INFO("HTTP server response status: %s",
			 ctx->rsp.http_status);

		if (ctx->parser.http_errno) {
			if (method == HTTP_OPTIONS) {
				/* Ignore error if OPTIONS is not found */
				goto out;
			}

			NET_INFO("HTTP parser status: %s",
			       http_errno_description(ctx->parser.http_errno));
			ret = -EINVAL;
			goto out;
		}

		if (method != HTTP_HEAD) {
			if (ctx->rsp.body_found) {
				NET_INFO("HTTP body: %zd bytes, "
					 "expected: %zd bytes",
					 ctx->rsp.processed,
					 ctx->rsp.content_length);
			} else {
				NET_ERR("Error detected during HTTP msg "
					"processing");
			}
		}
	}

out:
	return ret;
}
Exemplo n.º 6
0
static struct net_buf *ip_buf_get_reserve(enum ip_buf_type type,
					  uint16_t reserve_head)
#endif
{
	struct net_buf *buf = NULL;

	/* Note that we do not reserve any space in front of the
	 * buffer so buf->data points to first byte of the IP header.
	 * This is done like this so that IP stack works the same
	 * way as BT and 802.15.4 stacks.
	 *
	 * The reserve_head variable in the function will tell
	 * the size of the IP + other headers if there are any.
	 * That variable is only used to calculate the pointer
	 * where the application data starts.
	 */
	switch (type) {
	case IP_BUF_RX:
		buf = net_buf_get(&free_rx_bufs, 0);
		dec_free_rx_bufs(buf);
		break;
	case IP_BUF_TX:
		buf = net_buf_get(&free_tx_bufs, 0);
		dec_free_tx_bufs(buf);
		break;
	}

	if (!buf) {
#ifdef DEBUG_IP_BUFS
		NET_ERR("Failed to get free %s buffer (%s():%d)\n",
			type2str(type), caller, line);
#else
		NET_ERR("Failed to get free %s buffer\n", type2str(type));
#endif
		return NULL;
	}

	ip_buf_type(buf) = type;
	ip_buf_appdata(buf) = buf->data + reserve_head;
	ip_buf_appdatalen(buf) = 0;
	ip_buf_reserve(buf) = reserve_head;
	net_buf_add(buf, reserve_head);

	NET_BUF_CHECK_IF_NOT_IN_USE(buf);

#ifdef DEBUG_IP_BUFS
	NET_DBG("%s [%d] buf %p reserve %u ref %d (%s():%d)\n",
		type2str(type), get_frees(type),
		buf, reserve_head, buf->ref, caller, line);
#else
	NET_DBG("%s buf %p reserve %u ref %d\n", type2str(type), buf,
		reserve_head, buf->ref);
#endif
	return buf;
}
Exemplo n.º 7
0
static int connect_tcp(struct net_app_ctx *ctx, const char *peer,
		       void *user_data, u8_t *result_buf,
		       size_t result_buf_len, u8_t *stack, size_t stack_size)
{
	struct data *data = user_data;
	int ret;

	ret = net_app_init_tcp_client(ctx, NULL, NULL, peer, PEER_PORT,
				      WAIT_TIME, user_data);
	if (ret < 0) {
		NET_ERR("Cannot init %s TCP client (%d)", data->proto, ret);
		goto fail;
	}

#if defined(CONFIG_NET_CONTEXT_NET_PKT_POOL)
	net_app_set_net_pkt_pool(ctx, tx_tcp_slab, data_tcp_pool);
#endif

	ret = net_app_set_cb(ctx, tcp_connected, tcp_received, NULL, NULL);
	if (ret < 0) {
		NET_ERR("Cannot set callbacks (%d)", ret);
		goto fail;
	}

#if defined(CONFIG_NET_APP_TLS)
	ret = net_app_client_tls(ctx,
				 result_buf,
				 result_buf_len,
				 INSTANCE_INFO,
				 strlen(INSTANCE_INFO),
				 setup_cert,
				 HOSTNAME,
				 NULL,
				 &ssl_pool,
				 stack,
				 stack_size);
	if (ret < 0) {
		NET_ERR("Cannot init TLS");
		goto fail;
	}
#endif

	ret = net_app_connect(ctx, CONNECT_TIME);
	if (ret < 0) {
		NET_ERR("Cannot connect TCP (%d)", ret);
		goto fail;
	}

fail:
	return ret;
}
Exemplo n.º 8
0
static void send_tcp_data(struct net_app_ctx *ctx,
			  struct data *data)
{
	struct net_pkt *pkt;
	size_t len;
	int ret;

	do {
		data->expecting_tcp = sys_rand32_get() % ipsum_len;
	} while (data->expecting_tcp == 0);

	data->received_tcp = 0;

	pkt = prepare_send_pkt(ctx, data->proto, data->expecting_tcp);
	if (!pkt) {
		return;
	}

	len = net_pkt_get_len(pkt);

	NET_ASSERT_INFO(data->expecting_tcp == len,
			"%s data to send %d bytes, real len %zu",
			data->proto, data->expecting_tcp, len);

	ret = net_app_send_pkt(ctx, pkt, NULL, 0, K_FOREVER,
			       UINT_TO_POINTER(len));
	if (ret < 0) {
		NET_ERR("Cannot send %s data to peer (%d)", data->proto, ret);
		net_pkt_unref(pkt);
	}
}
Exemplo n.º 9
0
void main(void)
{
	int ret;

	ret = http_client_init(&http_ctx, SERVER_ADDR, SERVER_PORT);
	if (ret < 0) {
		NET_ERR("HTTP init failed (%d)", ret);
		panic(NULL);
	}

	http_client_set_net_pkt_pool(&http_ctx, tx_slab, data_pool);

	ret = do_sync_reqs(&http_ctx, MAX_ITERATIONS);
	if (ret < 0) {
		goto out;
	}

	ret = do_async_reqs(&http_ctx, MAX_ITERATIONS);
	if (ret < 0) {
		goto out;
	}

out:
	http_client_release(&http_ctx);

	NET_INFO("Done!");
}
Exemplo n.º 10
0
void ieee802154_init(struct net_if *iface)
{
	struct ieee802154_context *ctx = net_if_l2_data(iface);
	const struct ieee802154_radio_api *radio =
		iface->dev->driver_api;
	const u8_t *mac = iface->link_addr.addr;
	u8_t long_addr[8];

	NET_DBG("Initializing IEEE 802.15.4 stack on iface %p", iface);

	ieee802154_mgmt_init(iface);

#ifdef CONFIG_NET_L2_IEEE802154_SECURITY
	if (ieee802154_security_init(&ctx->sec_ctx)) {
		NET_ERR("Initializing link-layer security failed");
	}
#endif

	sys_memcpy_swap(long_addr, mac, 8);

	radio->set_ieee_addr(iface->dev, long_addr);
	memcpy(ctx->ext_addr, long_addr, 8);

	if (!radio->set_txpower(iface->dev,
				CONFIG_NET_L2_IEEE802154_RADIO_DFLT_TX_POWER)) {
		ctx->tx_power = CONFIG_NET_L2_IEEE802154_RADIO_DFLT_TX_POWER;
	}

	radio->start(iface->dev);
}
Exemplo n.º 11
0
static bool ad_parse(struct net_buf_simple *ad,
		     bool (*func)(u8_t type, const u8_t *data,
				  u8_t data_len, void *user_data),
		     void *user_data)
{
	while (ad->len > 1) {
		u8_t len = net_buf_simple_pull_u8(ad);
		u8_t type;

		/* Check for early termination */
		if (len == 0) {
			return false;
		}

		if (len > ad->len || ad->len < 1) {
			NET_ERR("AD malformed\n");
			return false;
		}

		type = net_buf_simple_pull_u8(ad);

		if (func(type, ad->data, len - 1, user_data)) {
			return true;
		}

		net_buf_simple_pull(ad, len - 1);
	}

	return false;
}
Exemplo n.º 12
0
int net_set_mac(uint8_t *mac, uint8_t len)
{
	if ((len > UIP_LLADDR_LEN) || (len != 6 && len != 8)) {
		NET_ERR("Wrong ll addr len, len %d, max %d\n",
			len, UIP_LLADDR_LEN);
		return -EINVAL;
	}

	linkaddr_set_node_addr((linkaddr_t *)mac);

#ifdef CONFIG_NETWORKING_WITH_IPV6
	{
		uip_ds6_addr_t *lladdr;

		uip_ds6_set_lladdr((uip_lladdr_t *)mac);

		lladdr = uip_ds6_get_link_local(-1);

		NET_DBG("Tentative link-local IPv6 address ");
		PRINT6ADDR(&lladdr->ipaddr);
		PRINTF("\n");

		lladdr->state = ADDR_AUTOCONF;
	}
#endif
	return 0;
}
Exemplo n.º 13
0
static void bt_scan_off(void)
{
	int err;

	err = bt_le_scan_stop();
	if (err) {
		NET_ERR("Stopping scanning failed (err %d)\n", err);
	}
}
Exemplo n.º 14
0
static void bt_passive_scan(void)
{
	int err;

	err = bt_le_scan_start(BT_LE_SCAN_PASSIVE, device_found);
	if (err) {
		NET_ERR("Bluetooth set passive scan failed (err %d)\n", err);
	}
}
Exemplo n.º 15
0
static void setup_tcp_accept(struct net_context *tcp_recv4,
			     struct net_context *tcp_recv6)
{
	int ret;

#if defined(CONFIG_NET_IPV6)
	ret = net_context_accept(tcp_recv6, tcp_accepted, 0, NULL);
	if (ret < 0) {
		NET_ERR("Cannot receive IPv6 TCP packets (%d)", ret);
	}
#endif /* CONFIG_NET_IPV6 */

#if defined(CONFIG_NET_IPV4)
	ret = net_context_accept(tcp_recv4, tcp_accepted, 0, NULL);
	if (ret < 0) {
		NET_ERR("Cannot receive IPv4 TCP packets (%d)", ret);
	}
#endif /* CONFIG_NET_IPV4 */
}
Exemplo n.º 16
0
static void setup_udp_recv(struct net_context *udp_recv4,
			   struct net_context *udp_recv6)
{
	int ret;

#if defined(CONFIG_NET_IPV6)
	ret = net_context_recv(udp_recv6, udp_received, 0, NULL);
	if (ret < 0) {
		NET_ERR("Cannot receive IPv6 UDP packets");
	}
#endif /* CONFIG_NET_IPV6 */

#if defined(CONFIG_NET_IPV4)
	ret = net_context_recv(udp_recv4, udp_received, 0, NULL);
	if (ret < 0) {
		NET_ERR("Cannot receive IPv4 UDP packets");
	}
#endif /* CONFIG_NET_IPV4 */
}
Exemplo n.º 17
0
void panic(const char *msg)
{
	if (msg) {
		NET_ERR("%s", msg);
	}

	for (;;) {
		k_sleep(K_FOREVER);
	}
}
Exemplo n.º 18
0
static inline void init_app(void)
{
	NET_INFO("Run echo server");

	k_sem_init(&quit_lock, 0, UINT_MAX);

#if defined(CONFIG_NET_IPV6)
#if defined(CONFIG_NET_APP_MY_IPV6_ADDR)
	if (net_addr_pton(AF_INET6,
			  CONFIG_NET_APP_MY_IPV6_ADDR,
			  &in6addr_my) < 0) {
		NET_ERR("Invalid IPv6 address %s",
			CONFIG_NET_APP_MY_IPV6_ADDR);
	}
#endif

	do {
		struct net_if_addr *ifaddr;

		ifaddr = net_if_ipv6_addr_add(net_if_get_default(),
					      &in6addr_my, NET_ADDR_MANUAL, 0);
	} while (0);
#endif

#if defined(CONFIG_NET_IPV4)
#if defined(CONFIG_NET_DHCPV4)
	net_dhcpv4_start(net_if_get_default());
#else
#if defined(CONFIG_NET_APP_MY_IPV4_ADDR)
	if (net_addr_pton(AF_INET,
			  CONFIG_NET_APP_MY_IPV4_ADDR,
			  &in4addr_my) < 0) {
		NET_ERR("Invalid IPv4 address %s",
			CONFIG_NET_APP_MY_IPV4_ADDR);
	}

	net_if_ipv4_addr_add(net_if_get_default(), &in4addr_my,
			     NET_ADDR_MANUAL, 0);
#endif
#endif /* CONFIG_NET_DHCPV4 */
#endif /* CONFIG_NET_IPV4 */
}
Exemplo n.º 19
0
static int ipsp_accept(struct bt_conn *conn, struct bt_l2cap_chan **chan)
{
	NET_DBG("Incoming conn %p", conn);

	if (bt_context_data.ipsp_chan.chan.conn) {
		NET_ERR("No channels available");
		return -ENOMEM;
	}

	*chan = &bt_context_data.ipsp_chan.chan;

	return 0;
}
Exemplo n.º 20
0
static void setup_ipv6(struct net_if *iface)
{
	char hr_addr[NET_IPV6_ADDR_LEN];
	struct in6_addr addr;

	if (net_addr_pton(AF_INET6, CONFIG_NET_APP_MY_IPV6_ADDR, &addr)) {
		NET_ERR("Invalid address: %s", CONFIG_NET_APP_MY_IPV6_ADDR);
		return;
	}

	net_if_ipv6_addr_add(iface, &addr, NET_ADDR_MANUAL, 0);

	NET_INFO("IPv6 address: %s",
		 net_addr_ntop(AF_INET6, &addr, hr_addr, NET_IPV6_ADDR_LEN));

	if (net_addr_pton(AF_INET6, MCAST_IP6ADDR, &addr)) {
		NET_ERR("Invalid address: %s", MCAST_IP6ADDR);
		return;
	}

	net_if_ipv6_maddr_add(iface, &addr);
}
Exemplo n.º 21
0
static int do_async_http_req(struct http_client_ctx *ctx,
			     enum http_method method,
			     const char *url,
			     const char *content_type,
			     const char *payload)
{
	struct http_client_request req = {};
	struct waiter waiter;
	int ret;

	req.method = method;
	req.url = url;
	req.protocol = " " HTTP_PROTOCOL HTTP_CRLF;

	k_sem_init(&waiter.wait, 0, 1);

	waiter.total_len = 0;

	ret = http_client_send_req(ctx, &req, response, result, sizeof(result),
				   &waiter, APP_REQ_TIMEOUT);
	if (ret < 0 && ret != -EINPROGRESS) {
		NET_ERR("Cannot send %s request (%d)", http_method_str(method),
			ret);
		goto out;
	}

	if (k_sem_take(&waiter.wait, WAIT_TIME)) {
		NET_ERR("Timeout while waiting HTTP response");
		http_client_release(ctx);
		ret = -ETIMEDOUT;
		goto out;
	}

	ret = 0;

out:
	return ret;
}
Exemplo n.º 22
0
static void setup_device(void)
{
	char hr_addr[NET_IPV6_ADDR_LEN];
	struct net_if *iface;
	struct in6_addr addr;
	struct device *dev;

	dev = device_get_binding(CONFIG_IEEE802154_UPIPE_DRV_NAME);
	if (!dev) {
		NET_INFO("Cannot get UPIPE device\n");
		return;
	}

	iface = net_if_lookup_by_dev(dev);
	if (!iface) {
		NET_INFO("Cannot get UPIPE network interface\n");
		return;
	}

	if (net_addr_pton(AF_INET6, CONFIG_NET_APP_MY_IPV6_ADDR, &addr)) {
		NET_ERR("Invalid address: %s", CONFIG_NET_APP_MY_IPV6_ADDR);
		return;
	}

	net_if_ipv6_addr_add(iface, &addr, NET_ADDR_MANUAL, 0);

	NET_INFO("IPv6 address: %s",
		 net_addr_ntop(AF_INET6, &addr, hr_addr, NET_IPV6_ADDR_LEN));

	if (net_addr_pton(AF_INET6, MCAST_IP6ADDR, &addr)) {
		NET_ERR("Invalid address: %s", MCAST_IP6ADDR);
		return;
	}

	NET_INFO("802.15.4 device up and running\n");
}
Exemplo n.º 23
0
static void setup_ipv4(struct net_if *iface)
{
	char hr_addr[NET_IPV4_ADDR_LEN];
	struct in_addr addr;

	if (net_addr_pton(AF_INET, CONFIG_NET_APP_MY_IPV4_ADDR, &addr)) {
		NET_ERR("Invalid address: %s", CONFIG_NET_APP_MY_IPV4_ADDR);
		return;
	}

	net_if_ipv4_addr_add(iface, &addr, NET_ADDR_MANUAL, 0);

	NET_INFO("IPv4 address: %s",
		 net_addr_ntop(AF_INET, &addr, hr_addr, NET_IPV4_ADDR_LEN));
}
Exemplo n.º 24
0
void main(void)
{
	init_app();

#if defined(CONFIG_NET_L2_BLUETOOTH)
	if (bt_enable(NULL)) {
		NET_ERR("Bluetooth init failed");
		return;
	}
	ipss_init();
	ipss_advertise();
#endif

#if defined(CONFIG_NET_L2_IEEE802154)
	if (ieee802154_sample_setup()) {
		NET_ERR("IEEE 802.15.4 setup failed");
		return;
	}
#endif

	k_thread_create(&thread_data, thread_stack, STACKSIZE,
			(k_thread_entry_t)receive,
			NULL, NULL, NULL, K_PRIO_COOP(7), 0, 0);
}
Exemplo n.º 25
0
static void tcp_accepted(struct net_context *context,
			 struct sockaddr *addr,
			 socklen_t addrlen,
			 int error,
			 void *user_data)
{
	int ret;

	NET_DBG("Accept called, context %p error %d", context, error);

	ret = net_context_recv(context, tcp_received, 0, NULL);
	if (ret < 0) {
		NET_ERR("Cannot receive TCP packet (family %d)",
			net_context_get_family(context));
	}
}
Exemplo n.º 26
0
static int setup_cert(struct net_app_ctx *ctx, void *cert)
{
#if defined(MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED)
	mbedtls_ssl_conf_psk(&ctx->tls.mbedtls.conf,
			     client_psk, sizeof(client_psk),
			     (const unsigned char *)client_psk_id,
			     sizeof(client_psk_id) - 1);
#endif

#if defined(MBEDTLS_X509_CRT_PARSE_C)
	{
		mbedtls_x509_crt *ca_cert = cert;
		int ret;

		ret = mbedtls_x509_crt_parse_der(ca_cert,
						 ca_certificate,
						 sizeof(ca_certificate));
		if (ret != 0) {
			NET_ERR("mbedtls_x509_crt_parse_der failed "
				"(-0x%x)", -ret);
			return ret;
		}

		mbedtls_ssl_conf_ca_chain(&ctx->tls.mbedtls.conf,
					  ca_cert, NULL);

		/* In this example, we skip the certificate checks. In real
		 * life scenarios, one should always verify the certificates.
		 */
		mbedtls_ssl_conf_authmode(&ctx->tls.mbedtls.conf,
					  MBEDTLS_SSL_VERIFY_REQUIRED);

		mbedtls_ssl_conf_cert_profile(&ctx->tls.mbedtls.conf,
					    &mbedtls_x509_crt_profile_default);
#define VERIFY_CERTS 0
#if VERIFY_CERTS
		mbedtls_ssl_conf_authmode(&ctx->tls.mbedtls.conf,
					  MBEDTLS_SSL_VERIFY_OPTIONAL);
#else
		;
#endif /* VERIFY_CERTS */
	}
#endif /* MBEDTLS_X509_CRT_PARSE_C */

	return 0;
}
Exemplo n.º 27
0
static int bt_disconnect(u32_t mgmt_request, struct net_if *iface,
			 void *data, size_t len)
{
	struct bt_context *ctxt = net_if_get_device(iface)->driver_data;

	if (!ctxt->ipsp_chan.chan.conn) {
		NET_ERR("Not connected");
		return -ENOTCONN;
	}

	/* Release connect reference in case of central/router role */
	if (default_conn) {
		bt_conn_unref(default_conn);
		default_conn = NULL;
	}

	return bt_l2cap_chan_disconnect(&ctxt->ipsp_chan.chan);
}
Exemplo n.º 28
0
void receive(void)
{
	struct net_context *udp_recv4 = { 0 };
	struct net_context *udp_recv6 = { 0 };
	struct net_context *tcp_recv4 = { 0 };
	struct net_context *tcp_recv6 = { 0 };

	if (!get_context(&udp_recv4, &udp_recv6,
			 &tcp_recv4, &tcp_recv6)) {
		NET_ERR("Cannot get network contexts");
		return;
	}

	NET_INFO("Starting to wait");

#if defined(CONFIG_NET_TCP)
	setup_tcp_accept(tcp_recv4, tcp_recv6);
#endif

#if defined(CONFIG_NET_UDP)
	setup_udp_recv(udp_recv4, udp_recv6);
#endif

	k_sem_take(&quit_lock, K_FOREVER);

	NET_INFO("Stopping...");

#if defined(CONFIG_NET_IPV6) && defined(CONFIG_NET_UDP)
	net_context_put(udp_recv6);
#endif

#if defined(CONFIG_NET_IPV4) && defined(CONFIG_NET_UDP)
	net_context_put(udp_recv4);
#endif

#if defined(CONFIG_NET_IPV6) && defined(CONFIG_NET_TCP)
	net_context_put(tcp_recv6);
#endif

#if defined(CONFIG_NET_IPV4) && defined(CONFIG_NET_TCP)
	net_context_put(tcp_recv4);
#endif
}
Exemplo n.º 29
0
bool ieee802154_decipher_data_frame(struct net_if *iface, struct net_pkt *pkt,
				    struct ieee802154_mpdu *mpdu)
{
	struct ieee802154_context *ctx = net_if_l2_data(iface);
	u8_t level;

	if (!mpdu->mhr.fs->fc.security_enabled) {
		return true;
	}

	/* Section 7.2.3 (i) talks about "security level policy" conformance
	 * but such policy does not seem to be detailed. So let's assume both
	 * ends should have same security level.
	 */
	if (mpdu->mhr.aux_sec->control.security_level != ctx->sec_ctx.level) {
		return false;
	}

	/* ToDo: handle src short address
	 * This will require to look up in nbr cache with short addr
	 * in order to get the extended address related to it
	 */
	if (!ieee802154_decrypt_auth(&ctx->sec_ctx, net_pkt_ll(pkt),
				     net_pkt_ll_reserve(pkt),
				     net_pkt_get_len(pkt),
				     net_pkt_ll_src(pkt)->addr,
				     sys_le32_to_cpu(
					mpdu->mhr.aux_sec->frame_counter))) {
		NET_ERR("Could not decipher the frame");
		return false;
	}

	level = ctx->sec_ctx.level;
	if (level >= IEEE802154_SECURITY_LEVEL_ENC) {
		level -= 4;
	}

	/* We remove tag size from frag's length, it is now useless */
	pkt->frags->len -= level_2_tag_size[level];

	return true;
}
Exemplo n.º 30
0
void rtmsg(void)
{
	int s;
	struct rt_msghdr rtm;
		
	if (s < 0) {
		s = socket(PF_ROUTE, SOCK_RAW, 0);
		if (s < 0)
			NET_ERR(1, "socket");
	}
	
	bzero((char *)&rtm, sizeof(rt_msghdr));
	rtm->rtm_flags = flags;
	rtm->rtm_version = RTM_VERSION;
	
	switch (cmd) {
	case RTM_GET:
		rtm->rtm_addrs |= RTA_DST;
	}
}