diff --git a/drivers/net/ieee802154/atusb.c b/drivers/net/ieee802154/atusb.c index b1cd865ade2e..2d8de9f40ec4 100644 --- a/drivers/net/ieee802154/atusb.c +++ b/drivers/net/ieee802154/atusb.c @@ -472,6 +472,23 @@ atusb_set_txpower(struct ieee802154_hw *hw, s32 mbm) return -EINVAL; } +static int +atusb_set_csma_params(struct ieee802154_hw *hw, u8 min_be, u8 max_be, u8 retries) +{ + struct atusb *atusb = hw->priv; + int ret; + + ret = atusb_write_subreg(atusb, SR_MIN_BE, min_be); + if (ret) + return ret; + + ret = atusb_write_subreg(atusb, SR_MAX_BE, max_be); + if (ret) + return ret; + + return atusb_write_subreg(atusb, SR_MAX_CSMA_RETRIES, retries); +} + static int atusb_set_promiscuous_mode(struct ieee802154_hw *hw, const bool on) { @@ -508,6 +525,7 @@ static struct ieee802154_ops atusb_ops = { .stop = atusb_stop, .set_hw_addr_filt = atusb_set_hw_addr_filt, .set_txpower = atusb_set_txpower, + .set_csma_params = atusb_set_csma_params, .set_promiscuous_mode = atusb_set_promiscuous_mode, }; @@ -636,7 +654,7 @@ 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_PROMISCUOUS; + IEEE802154_HW_PROMISCUOUS | IEEE802154_HW_CSMA_PARAMS; hw->phy->flags = WPAN_PHY_FLAG_TXPOWER;