cfg80211: remove get/set antenna and tx power warnings
[cascardo/linux.git] / drivers / net / ieee802154 / atusb.c
index b1cd865..52c9051 100644 (file)
@@ -3,6 +3,8 @@
  *
  * Written 2013 by Werner Almesberger <werner@almesberger.net>
  *
+ * Copyright (c) 2015 - 2016 Stefan Schmidt <stefan@datenfreihafen.org>
+ *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
  * published by the Free Software Foundation, version 2
@@ -472,6 +474,76 @@ 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_mode(struct ieee802154_hw *hw, const struct wpan_phy_cca *cca)
+{
+       struct atusb *atusb = hw->priv;
+       u8 val;
+
+       /* mapping 802.15.4 to driver spec */
+       switch (cca->mode) {
+       case NL802154_CCA_ENERGY:
+               val = 1;
+               break;
+       case NL802154_CCA_CARRIER:
+               val = 2;
+               break;
+       case NL802154_CCA_ENERGY_CARRIER:
+               switch (cca->opt) {
+               case NL802154_CCA_OPT_ENERGY_CARRIER_AND:
+                       val = 3;
+                       break;
+               case NL802154_CCA_OPT_ENERGY_CARRIER_OR:
+                       val = 0;
+                       break;
+               default:
+                       return -EINVAL;
+               }
+               break;
+       default:
+               return -EINVAL;
+       }
+
+       return atusb_write_subreg(atusb, SR_CCA_MODE, val);
+}
+
+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)
+{
+       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 +580,9 @@ 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_mode           = atusb_set_cca_mode,
+       .set_cca_ed_level       = atusb_set_cca_ed_level,
+       .set_csma_params        = atusb_set_csma_params,
        .set_promiscuous_mode   = atusb_set_promiscuous_mode,
 };
 
@@ -636,9 +711,20 @@ 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 | WPAN_PHY_FLAG_CCA_ED_LEVEL |
+                        WPAN_PHY_FLAG_CCA_MODE;
+
+       hw->phy->supported.cca_modes = BIT(NL802154_CCA_ENERGY) |
+               BIT(NL802154_CCA_CARRIER) | BIT(NL802154_CCA_ENERGY_CARRIER);
+       hw->phy->supported.cca_opts = BIT(NL802154_CCA_OPT_ENERGY_CARRIER_AND) |
+               BIT(NL802154_CCA_OPT_ENERGY_CARRIER_OR);
+
+       hw->phy->supported.cca_ed_levels = atusb_ed_levels;
+       hw->phy->supported.cca_ed_levels_size = ARRAY_SIZE(atusb_ed_levels);
 
-       hw->phy->flags = WPAN_PHY_FLAG_TXPOWER;
+       hw->phy->cca.mode = NL802154_CCA_ENERGY;
 
        hw->phy->current_page = 0;
        hw->phy->current_channel = 11;  /* reset default */
@@ -647,6 +733,7 @@ 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);