Catching up with the stack here and implement CCA ED level setting.
Signed-off-by: Stefan Schmidt <stefan@xxxxxxxxxxxxxxx>
---
drivers/net/ieee802154/atusb.c | 27 ++++++++++++++++++++++++++-
1 file changed, 26 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ieee802154/atusb.c b/drivers/net/ieee802154/atusb.c
index 2d8de9f..94f8457 100644
--- a/drivers/net/ieee802154/atusb.c
+++ b/drivers/net/ieee802154/atusb.c
@@ -472,6 +472,26 @@ atusb_set_txpower(struct ieee802154_hw *hw, s32 mbm)
return -EINVAL;
}
+#define ATUSB_MAX_ED_LEVELS 0xF
+static const s32 atusb_ed_levels[ATUSB_MAX_ED_LEVELS + 1] = {
+ -9100, -8900, -8700, -8500, -8300, -8100, -7900, -7700, -7500, -7300,
+ -7100, -6900, -6700, -6500, -6300, -6100,
+};
+
+static int
+atusb_set_cca_ed_level(struct ieee802154_hw *hw, s32 mbm)
+{
+ struct atusb *atusb = hw->priv;
+ u32 i;
+
+ for (i = 0; i < hw->phy->supported.cca_ed_levels_size; i++) {
+ if (hw->phy->supported.cca_ed_levels[i] == mbm)
+ return atusb_write_subreg(atusb, SR_CCA_ED_THRES, i);
+ }
+
+ return -EINVAL;
+}
+
static int
atusb_set_csma_params(struct ieee802154_hw *hw, u8 min_be, u8 max_be, u8 retries)
{
@@ -525,6 +545,7 @@ static struct ieee802154_ops atusb_ops = {
.stop = atusb_stop,
.set_hw_addr_filt = atusb_set_hw_addr_filt,
.set_txpower = atusb_set_txpower,
+ .set_cca_ed_level = atusb_set_cca_ed_level,
.set_csma_params = atusb_set_csma_params,
.set_promiscuous_mode = atusb_set_promiscuous_mode,
};
@@ -656,7 +677,10 @@ static int atusb_probe(struct usb_interface *interface,
hw->flags = IEEE802154_HW_TX_OMIT_CKSUM | IEEE802154_HW_AFILT |
IEEE802154_HW_PROMISCUOUS | IEEE802154_HW_CSMA_PARAMS;
- hw->phy->flags = WPAN_PHY_FLAG_TXPOWER;
+ hw->phy->flags = WPAN_PHY_FLAG_TXPOWER | WPAN_PHY_FLAG_CCA_ED_LEVEL;
+
+ hw->phy->supported.cca_ed_levels = atusb_ed_levels;
+ hw->phy->supported.cca_ed_levels_size = ARRAY_SIZE(atusb_ed_levels);
hw->phy->current_page = 0;
hw->phy->current_channel = 11; /* reset default */
@@ -665,6 +689,7 @@ static int atusb_probe(struct usb_interface *interface,
hw->phy->supported.tx_powers_size = ARRAY_SIZE(atusb_powers);
hw->phy->transmit_power = hw->phy->supported.tx_powers[0];
ieee802154_random_extended_addr(&hw->phy->perm_extended_addr);
+ hw->phy->cca_ed_level = hw->phy->supported.cca_ed_levels[7];
atusb_command(atusb, ATUSB_RF_RESET, 0);
atusb_get_and_show_chip(atusb);
--
2.5.0
--
To unsubscribe from this list: send the line "unsubscribe linux-wpan" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
