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ieee802154: atusb: implement .set_cca_ed_level ops callback

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Catching up with the stack here and implement CCA ED level setting.

Signed-off-by: Stefan Schmidt <stefan@osg.samsung.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Stefan Schmidt 2016-04-19 16:28:53 +02:00 committed by Marcel Holtmann
parent fb7c579ab0
commit 0f4715c870
1 changed files with 26 additions and 1 deletions
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27
drivers/net/ieee802154/atusb.c
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@ -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);