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@@ -175,11 +175,42 @@ static ssize_t wusb_phy_rate_store(struct device *dev,
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}
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static DEVICE_ATTR(wusb_phy_rate, 0644, wusb_phy_rate_show, wusb_phy_rate_store);
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+static ssize_t wusb_dnts_show(struct device *dev,
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+ struct device_attribute *attr,
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+ char *buf)
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+{
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+ struct wusbhc *wusbhc = usbhc_dev_to_wusbhc(dev);
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+
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+ return sprintf(buf, "num slots: %d\ninterval: %dms\n",
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+ wusbhc->dnts_num_slots, wusbhc->dnts_interval);
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+}
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+
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+static ssize_t wusb_dnts_store(struct device *dev,
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+ struct device_attribute *attr,
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+ const char *buf, size_t size)
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+{
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+ struct wusbhc *wusbhc = usbhc_dev_to_wusbhc(dev);
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+ uint8_t num_slots, interval;
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+ ssize_t result;
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+
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+ result = sscanf(buf, "%hhu %hhu", &num_slots, &interval);
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+
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+ if (result != 2)
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+ return -EINVAL;
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+
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+ wusbhc->dnts_num_slots = num_slots;
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+ wusbhc->dnts_interval = interval;
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+
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+ return size;
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+}
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+static DEVICE_ATTR(wusb_dnts, 0644, wusb_dnts_show, wusb_dnts_store);
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+
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/* Group all the WUSBHC attributes */
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static struct attribute *wusbhc_attrs[] = {
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&dev_attr_wusb_trust_timeout.attr,
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&dev_attr_wusb_chid.attr,
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&dev_attr_wusb_phy_rate.attr,
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+ &dev_attr_wusb_dnts.attr,
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NULL,
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};
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@@ -205,8 +236,11 @@ int wusbhc_create(struct wusbhc *wusbhc)
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{
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int result = 0;
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+ /* set defaults. These can be overwritten using sysfs attributes. */
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wusbhc->trust_timeout = WUSB_TRUST_TIMEOUT_MS;
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wusbhc->phy_rate = UWB_PHY_RATE_INVALID - 1;
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+ wusbhc->dnts_num_slots = 4;
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+ wusbhc->dnts_interval = 2;
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mutex_init(&wusbhc->mutex);
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result = wusbhc_mmcie_create(wusbhc);
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