Esempi in C++ (Cpp) per device_get_mac_address

Esempio n. 1

File: main.c Progetto: Lyude/linux

static int xge_get_resources(struct xge_pdata *pdata)
{
	struct platform_device *pdev;
	struct net_device *ndev;
	int phy_mode, ret = 0;
	struct resource *res;
	struct device *dev;

	pdev = pdata->pdev;
	dev = &pdev->dev;
	ndev = pdata->ndev;

	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	if (!res) {
		dev_err(dev, "Resource enet_csr not defined\n");
		return -ENODEV;
	}

	pdata->resources.base_addr = devm_ioremap(dev, res->start,
						  resource_size(res));
	if (!pdata->resources.base_addr) {
		dev_err(dev, "Unable to retrieve ENET Port CSR region\n");
		return -ENOMEM;
	}

	if (!device_get_mac_address(dev, ndev->dev_addr, ETH_ALEN))
		eth_hw_addr_random(ndev);

	memcpy(ndev->perm_addr, ndev->dev_addr, ndev->addr_len);

	phy_mode = device_get_phy_mode(dev);
	if (phy_mode < 0) {
		dev_err(dev, "Unable to get phy-connection-type\n");
		return phy_mode;
	}
	pdata->resources.phy_mode = phy_mode;

	if (pdata->resources.phy_mode != PHY_INTERFACE_MODE_RGMII) {
		dev_err(dev, "Incorrect phy-connection-type specified\n");
		return -ENODEV;
	}

	ret = platform_get_irq(pdev, 0);
	if (ret < 0) {
		dev_err(dev, "Unable to get irq\n");
		return ret;
	}
	pdata->resources.irq = ret;

	return 0;
}

Esempio n. 2

File: device_config.c Progetto: apmascalabs/mongoose-iot

int init_device(struct v7 *v7) {
  int result = 1;
  uint8_t mac[6] = "";

  /* Load system defaults - mandatory */
  memset(&s_cfg, 0, sizeof(s_cfg));
  if (!load_config_defaults(&s_cfg)) {
    LOG(LL_ERROR, ("Failed to load config defaults"));
    return 0;
  }

#ifndef SJ_DISABLE_GPIO
  /*
   * Check factory reset GPIO. We intentionally do it before loading CONF_FILE
   * so that it cannot be overridden by the end user.
   */
  if (s_cfg.debug.factory_reset_gpio >= 0) {
    int gpio = s_cfg.debug.factory_reset_gpio;
    sj_gpio_set_mode(gpio, GPIO_MODE_INPUT, GPIO_PULL_PULLUP);
    if (sj_gpio_read(gpio) == GPIO_LEVEL_LOW) {
      LOG(LL_WARN, ("Factory reset requested via GPIO%d", gpio));
      if (remove(CONF_FILE) == 0) {
        LOG(LL_WARN, ("Removed %s", CONF_FILE));
      }
      /* Continue as if nothing happened, no reboot necessary. */
    }
  }
#endif

  /* Successfully loaded system config. Try overrides - they are optional. */
  load_config_file(CONF_FILE, s_cfg.conf_acl, 0, &s_cfg);

  REGISTER_RO_VAR(fw_id, &build_id);
  REGISTER_RO_VAR(fw_timestamp, &build_timestamp);
  REGISTER_RO_VAR(fw_version, &build_version);
  REGISTER_RO_VAR(arch, &s_architecture);

  /* Init mac address readonly var - users may use it as device ID */
  device_get_mac_address(mac);
  snprintf(s_mac_address, sizeof(s_mac_address), "%02X%02X%02X%02X%02X%02X",
           mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
  REGISTER_RO_VAR(mac_address, &mac_address_ptr);
  LOG(LL_INFO, ("MAC: %s", s_mac_address));

  if (get_cfg()->wifi.ap.ssid != NULL) {
    expand_mac_address_placeholders((char *) get_cfg()->wifi.ap.ssid);
  }

  result = device_init_platform(v7, get_cfg());
  if (result != 0) {
    if (get_cfg()->http.enable) {
      result = init_web_server(get_cfg());
    }
  } else {
    LOG(LL_ERROR, ("Platform init failed"));
  }

#ifndef CS_DISABLE_JS
  /* NOTE(lsm): must be done last */
  export_read_only_vars_to_v7(v7);
#endif

  return result;
}