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/*
* Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
* Copyright (C) 2018 Stanislaw Gruszka <stf_xl@wp.pl>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef __MT76X02_MAC_H
#define __MT76X02_MAC_H
#include <linux/average.h>
struct mt76x02_tx_status {
u8 valid:1;
u8 success:1;
u8 aggr:1;
u8 ack_req:1;
u8 wcid;
u8 pktid;
u8 retry;
u16 rate;
} __packed __aligned(2);
#define MT_VIF_WCID(_n) (254 - ((_n) & 7))
#define MT_MAX_VIFS 8
struct mt76x02_vif {
u8 idx;
struct mt76_wcid group_wcid;
};
DECLARE_EWMA(signal, 10, 8);
struct mt76x02_sta {
struct mt76_wcid wcid; /* must be first */
struct mt76x02_vif *vif;
struct mt76x02_tx_status status;
int n_frames;
struct ewma_signal rssi;
int inactive_count;
};
static inline bool mt76x02_wait_for_mac(struct mt76_dev *dev)
{
const u32 MAC_CSR0 = 0x1000;
int i;
for (i = 0; i < 500; i++) {
if (test_bit(MT76_REMOVED, &dev->state))
return -EIO;
switch (dev->bus->rr(dev, MAC_CSR0)) {
case 0:
case ~0:
break;
default:
return true;
}
usleep_range(5000, 10000);
}
return false;
}
void mt76x02_txq_init(struct mt76_dev *dev, struct ieee80211_txq *txq);
enum mt76x02_cipher_type
mt76x02_mac_get_key_info(struct ieee80211_key_conf *key, u8 *key_data);
int mt76x02_mac_shared_key_setup(struct mt76_dev *dev, u8 vif_idx, u8 key_idx,
struct ieee80211_key_conf *key);
int mt76x02_mac_wcid_set_key(struct mt76_dev *dev, u8 idx,
struct ieee80211_key_conf *key);
void mt76x02_mac_wcid_setup(struct mt76_dev *dev, u8 idx, u8 vif_idx, u8 *mac);
void mt76x02_mac_wcid_set_drop(struct mt76_dev *dev, u8 idx, bool drop);
#endif
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