ieee802154/atusb: Add .set_promiscuous_mode driver operation

Allow monitor mode operation with disabled AACK in hardware.

Signed-off-by: Stefan Schmidt <stefan@osg.samsung.com>
Reviewed-by: Varka Bhadram <varkabhadram@gmail.com>
Acked-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

diff --git a/drivers/net/ieee802154/atusb.c b/drivers/net/ieee802154/atusb.c
index 9805ebeccd75138f0c51368ad655cd40e4e36e6f..3d25678dfd951fbe9e93f9cf92f140bd6c0316e8 100644 (file)
--- a/drivers/net/ieee802154/atusb.c
+++ b/drivers/net/ieee802154/atusb.c
@@ -473,6 +473,33 @@ atusb_set_txpower(struct ieee802154_hw *hw, s32 mbm)
        return -EINVAL;
 }
 
+static int
+atusb_set_promiscuous_mode(struct ieee802154_hw *hw, const bool on)
+{
+       struct atusb *atusb = hw->priv;
+       int ret;
+
+       if (on) {
+               ret = atusb_write_subreg(atusb, SR_AACK_DIS_ACK, 1);
+               if (ret < 0)
+                       return ret;
+
+               ret = atusb_write_subreg(atusb, SR_AACK_PROM_MODE, 1);
+               if (ret < 0)
+                       return ret;
+       } else {
+               ret = atusb_write_subreg(atusb, SR_AACK_PROM_MODE, 0);
+               if (ret < 0)
+                       return ret;
+
+               ret = atusb_write_subreg(atusb, SR_AACK_DIS_ACK, 0);
+               if (ret < 0)
+                       return ret;
+       }
+
+       return 0;
+}
+
 static struct ieee802154_ops atusb_ops = {
        .owner                  = THIS_MODULE,
        .xmit_async             = atusb_xmit,
@@ -482,6 +509,7 @@ static struct ieee802154_ops atusb_ops = {
        .stop                   = atusb_stop,
        .set_hw_addr_filt       = atusb_set_hw_addr_filt,
        .set_txpower            = atusb_set_txpower,
+       .set_promiscuous_mode   = atusb_set_promiscuous_mode,
 };
 
 /* ----- Firmware and chip version information ----------------------------- */
@@ -600,7 +628,7 @@ static int atusb_probe(struct usb_interface *interface,
 
        hw->parent = &usb_dev->dev;
        hw->flags = IEEE802154_HW_TX_OMIT_CKSUM | IEEE802154_HW_AFILT |
-                   IEEE802154_HW_AACK;
+                   IEEE802154_HW_AACK | IEEE802154_HW_PROMISCUOUS;
 
        hw->phy->flags = WPAN_PHY_FLAG_TXPOWER;