To use these features, copy the boot2 and firmware images to /lib/firmware and:
echo <boot2_image_name> > /sys/class/net/ethX/lbs_boot2
echo <firmware_image_name> > /sys/class/net/ethX/lbs_fw
Signed-off-by: Brian Cavagnolo <brian@xxxxxxxxxxx>
---
drivers/net/wireless/libertas/if_usb.c | 71 ++++++++++++++++++++++++++++++++
1 files changed, 71 insertions(+), 0 deletions(-)
diff --git a/drivers/net/wireless/libertas/if_usb.c b/drivers/net/wireless/libertas/if_usb.c
index e83a4c2..c89785c 100644
--- a/drivers/net/wireless/libertas/if_usb.c
+++ b/drivers/net/wireless/libertas/if_usb.c
@@ -51,6 +51,68 @@ static void if_usb_free(struct if_usb_card *cardp);
static int if_usb_submit_rx_urb(struct if_usb_card *cardp);
static int if_usb_reset_device(struct if_usb_card *cardp);
+/* sysfs hooks */
+
+/**
+ * Set function to write firmware to device's persistent memory
+ */
+static ssize_t if_usb_firmware_set(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t count)
+{
+ struct lbs_private *priv = to_net_dev(dev)->priv;
+ struct if_usb_card *cardp = priv->card;
+ char fwname[FIRMWARE_NAME_MAX];
+ int ret;
+
+ if (!(priv->fwcapinfo & FW_CAPINFO_FIRMWARE_UPGRADE))
+ return -EOPNOTSUPP;
+
+ sscanf(buf, "%29s", fwname); /* FIRMWARE_NAME_MAX - 1 = 29 */
+ ret = if_usb_prog_firmware(cardp, fwname, BOOT_CMD_UPDATE_FW);
+ if (ret == 0)
+ return count;
+
+ return ret;
+}
+
+/**
+ * lbs_fw attribute to be exported per ethX interface through sysfs
+ * (/sys/class/net/ethX/lbs_fw). Use this like so to write firmware to the
+ * device's persistent memory:
+ * echo usb8388-5.126.0.p5.bin > /sys/class/net/ethX/lbs_fw
+ */
+static DEVICE_ATTR(lbs_fw, 0200, NULL, if_usb_firmware_set);
+
+/**
+ * Set function to write firmware to device's persistent memory
+ */
+static ssize_t if_usb_boot2_set(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t count)
+{
+ struct lbs_private *priv = to_net_dev(dev)->priv;
+ struct if_usb_card *cardp = priv->card;
+ char fwname[FIRMWARE_NAME_MAX];
+ int ret;
+
+ if (!(priv->fwcapinfo & FW_CAPINFO_BOOT2_UPGRADE))
+ return -EOPNOTSUPP;
+
+ sscanf(buf, "%29s", fwname); /* FIRMWARE_NAME_MAX - 1 = 29 */
+ ret = if_usb_prog_firmware(cardp, fwname, BOOT_CMD_UPDATE_BOOT2);
+ if (ret == 0)
+ return count;
+
+ return ret;
+}
+
+/**
+ * lbs_boot2 attribute to be exported per ethX interface through sysfs
+ * (/sys/class/net/ethX/lbs_boot2). Use this like so to write firmware to the
+ * device's persistent memory:
+ * echo usb8388-5.126.0.p5.bin > /sys/class/net/ethX/lbs_boot2
+ */
+static DEVICE_ATTR(lbs_boot2, 0200, NULL, if_usb_boot2_set);
+
/**
* @brief call back function to handle the status of the URB
* @param urb pointer to urb structure
@@ -263,6 +325,12 @@ static int if_usb_probe(struct usb_interface *intf,
usb_get_dev(udev);
usb_set_intfdata(intf, cardp);
+ if (device_create_file(&priv->dev->dev, &dev_attr_lbs_fw))
+ lbs_pr_err("cannot register lbs_fw attribute\n");
+
+ if (device_create_file(&priv->dev->dev, &dev_attr_lbs_boot2))
+ lbs_pr_err("cannot register lbs_boot2 attribute\n");
+
return 0;
err_start_card:
@@ -288,6 +356,9 @@ static void if_usb_disconnect(struct usb_interface *intf)
lbs_deb_enter(LBS_DEB_MAIN);
+ device_remove_file(&priv->dev->dev, &dev_attr_lbs_boot2);
+ device_remove_file(&priv->dev->dev, &dev_attr_lbs_fw);
+
cardp->surprise_removed = 1;
if (priv) {
--
1.5.5.3
--
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