Hi,
On 12/20/2016 12:13 PM, Alexander Aring wrote:
>
> Hi,
>
> On 12/05/2016 02:47 PM, Stefan Schmidt wrote:
>> From firmware version 0.3 onwards we use the TX_ARET mode allowing for automatic
>> frame retransmissions. To actually make use of this feature we need to implement
>> the callback for setting the frame retries.
>>
>> If the firmware version is to old print a warning and return with invalid value.
>>
>> Signed-off-by: Stefan Schmidt <stefan@xxxxxxxxxxxxxxx>
>> ---
>> drivers/net/ieee802154/atusb.c | 19 ++++++++++++++++++-
>> 1 file changed, 18 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/net/ieee802154/atusb.c b/drivers/net/ieee802154/atusb.c
>> index 3ed34cc..1253f86 100644
>> --- a/drivers/net/ieee802154/atusb.c
>> +++ b/drivers/net/ieee802154/atusb.c
>> @@ -546,6 +546,21 @@ atusb_set_csma_params(struct ieee802154_hw *hw, u8 min_be, u8 max_be, u8 retries
>> }
>>
>> static int
>> +atusb_set_frame_retries(struct ieee802154_hw *hw, s8 retries)
>> +{
>> + struct atusb *atusb = hw->priv;
>> + struct device *dev = &atusb->usb_dev->dev;
>> +
>> + if (atusb->fw_ver_maj == 0 && atusb->fw_ver_min < 3) {
>> + dev_info(dev, "Automatic frame retransmission is only available from "
>> + "firmware version 0.3. Please update if you want this feature.");
>> + return -EINVAL;
>> + }
>> +
>
> I think the user has not change anymore to use atusb driver with new
> firmware now.
>
meant, has no chance anymore to use new atusb driver with old
firmware...
- Alex
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