* [PATCH 2/3 RESEND] libertas: add sysfs hooks to update boot2 and persistent firmware
@ 2008-07-21 18:03 Brian Cavagnolo
2008-07-27 15:09 ` Dan Williams
0 siblings, 1 reply; 2+ messages in thread
From: Brian Cavagnolo @ 2008-07-21 18:03 UTC (permalink / raw)
To: linville; +Cc: linux-wireless, libertas-dev
To use these features, copy the boot2 and firmware images to /lib/firmware and:
echo <boot2_image_name> > /sys/class/net/ethX/lbs_flash_boot2
echo <firmware_image_name> > /sys/class/net/ethX/lbs_flash_fw
Signed-off-by: Brian Cavagnolo <brian@cozybit.com>
---
drivers/net/wireless/libertas/if_usb.c | 65 ++++++++++++++++++++++++++++++++
1 files changed, 65 insertions(+), 0 deletions(-)
diff --git a/drivers/net/wireless/libertas/if_usb.c b/drivers/net/wireless/libertas/if_usb.c
index 764b285..13c6ec2 100644
--- a/drivers/net/wireless/libertas/if_usb.c
+++ b/drivers/net/wireless/libertas/if_usb.c
@@ -51,6 +51,62 @@ 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;
+
+ 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_flash_fw attribute to be exported per ethX interface through sysfs
+ * (/sys/class/net/ethX/lbs_flash_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_flash_fw
+ */
+static DEVICE_ATTR(lbs_flash_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;
+
+ 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_flash_boot2 attribute to be exported per ethX interface through sysfs
+ * (/sys/class/net/ethX/lbs_flash_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_flash_boot2
+ */
+static DEVICE_ATTR(lbs_flash_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 +319,12 @@ 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_flash_fw))
+ lbs_pr_err("cannot register lbs_flash_fw attribute\n");
+
+ if (device_create_file(&priv->dev->dev, &dev_attr_lbs_flash_boot2))
+ lbs_pr_err("cannot register lbs_flash_boot2 attribute\n");
+
return 0;
err_start_card:
@@ -288,6 +350,9 @@ static void if_usb_disconnect(struct usb_interface *intf)
lbs_deb_enter(LBS_DEB_MAIN);
+ device_remove_file(&priv->dev->dev, &dev_attr_lbs_flash_boot2);
+ device_remove_file(&priv->dev->dev, &dev_attr_lbs_flash_fw);
+
cardp->surprise_removed = 1;
if (priv) {
--
1.5.5.3
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH 2/3 RESEND] libertas: add sysfs hooks to update boot2 and persistent firmware
2008-07-21 18:03 [PATCH 2/3 RESEND] libertas: add sysfs hooks to update boot2 and persistent firmware Brian Cavagnolo
@ 2008-07-27 15:09 ` Dan Williams
0 siblings, 0 replies; 2+ messages in thread
From: Dan Williams @ 2008-07-27 15:09 UTC (permalink / raw)
To: Brian Cavagnolo; +Cc: linville, linux-wireless, libertas-dev
On Mon, 2008-07-21 at 11:03 -0700, Brian Cavagnolo wrote:
> To use these features, copy the boot2 and firmware images to /lib/firmware and:
>
> echo <boot2_image_name> > /sys/class/net/ethX/lbs_flash_boot2
> echo <firmware_image_name> > /sys/class/net/ethX/lbs_flash_fw
>
> Signed-off-by: Brian Cavagnolo <brian@cozybit.com>
Acked-by: Dan Williams <dcbw@redhat.com>
> ---
> drivers/net/wireless/libertas/if_usb.c | 65 ++++++++++++++++++++++++++++++++
> 1 files changed, 65 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/net/wireless/libertas/if_usb.c b/drivers/net/wireless/libertas/if_usb.c
> index 764b285..13c6ec2 100644
> --- a/drivers/net/wireless/libertas/if_usb.c
> +++ b/drivers/net/wireless/libertas/if_usb.c
> @@ -51,6 +51,62 @@ 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;
> +
> + 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_flash_fw attribute to be exported per ethX interface through sysfs
> + * (/sys/class/net/ethX/lbs_flash_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_flash_fw
> + */
> +static DEVICE_ATTR(lbs_flash_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;
> +
> + 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_flash_boot2 attribute to be exported per ethX interface through sysfs
> + * (/sys/class/net/ethX/lbs_flash_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_flash_boot2
> + */
> +static DEVICE_ATTR(lbs_flash_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 +319,12 @@ 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_flash_fw))
> + lbs_pr_err("cannot register lbs_flash_fw attribute\n");
> +
> + if (device_create_file(&priv->dev->dev, &dev_attr_lbs_flash_boot2))
> + lbs_pr_err("cannot register lbs_flash_boot2 attribute\n");
> +
> return 0;
>
> err_start_card:
> @@ -288,6 +350,9 @@ static void if_usb_disconnect(struct usb_interface *intf)
>
> lbs_deb_enter(LBS_DEB_MAIN);
>
> + device_remove_file(&priv->dev->dev, &dev_attr_lbs_flash_boot2);
> + device_remove_file(&priv->dev->dev, &dev_attr_lbs_flash_fw);
> +
> cardp->surprise_removed = 1;
>
> if (priv) {
^ permalink raw reply [flat|nested] 2+ messages in thread
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2008-07-27 15:09 ` Dan Williams
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