path: root/drivers/net/wireless/realtek/rtw88/mac80211.c

// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
/* Copyright(c) 2018-2019  Realtek Corporation
 */

#include "main.h"
#include "sec.h"
#include "tx.h"
#include "fw.h"
#include "mac.h"
#include "coex.h"
#include "ps.h"
#include "reg.h"
#include "bf.h"
#include "debug.h"
#include "wow.h"
#include "sar.h"

static void rtw_ops_tx(struct ieee80211_hw *hw,
		       struct ieee80211_tx_control *control,
		       struct sk_buff *skb)
{
	struct rtw_dev *rtwdev = hw->priv;

	if (!test_bit(RTW_FLAG_RUNNING, rtwdev->flags)) {
		ieee80211_free_txskb(hw, skb);
		return;
	}

	rtw_tx(rtwdev, control, skb);
}

static void rtw_ops_wake_tx_queue(struct ieee80211_hw *hw,
				  struct ieee80211_txq *txq)
{
	struct rtw_dev *rtwdev = hw->priv;
	struct rtw_txq *rtwtxq = (struct rtw_txq *)txq->drv_priv;

	if (!test_bit(RTW_FLAG_RUNNING, rtwdev->flags))
		return;

	spin_lock_bh(&rtwdev->txq_lock);
	if (list_empty(&rtwtxq->list))
		list_add_tail(&rtwtxq->list, &rtwdev->txqs);
	spin_unlock_bh(&rtwdev->txq_lock);

	/* ensure to dequeue EAPOL (4/4) at the right time */
	if (txq->ac == IEEE80211_AC_VO)
		__rtw_tx_work(rtwdev);
	else
		queue_work(rtwdev->tx_wq, &rtwdev->tx_work);
}

static int rtw_ops_start(struct ieee80211_hw *hw)
{
	struct rtw_dev *rtwdev = hw->priv;
	int ret;

	mutex_lock(&rtwdev->mutex);
	ret = rtw_core_start(rtwdev);
	mutex_unlock(&rtwdev->mutex);

	return ret;
}

static void rtw_ops_stop(struct ieee80211_hw *hw, bool suspend)
{
	struct rtw_dev *rtwdev = hw->priv;

	mutex_lock(&rtwdev->mutex);
	rtw_core_stop(rtwdev);
	mutex_unlock(&rtwdev->mutex);
}

static int rtw_ops_config(struct ieee80211_hw *hw, u32 changed)
{
	struct rtw_dev *rtwdev = hw->priv;
	int ret = 0;

	/* let previous ips work finish to ensure we don't leave ips twice */
	cancel_work_sync(&rtwdev->ips_work);

	mutex_lock(&rtwdev->mutex);

	rtw_leave_lps_deep(rtwdev);

	if ((changed & IEEE80211_CONF_CHANGE_IDLE) &&
	    !(hw->conf.flags & IEEE80211_CONF_IDLE)) {
		ret = rtw_leave_ips(rtwdev);
		if (ret) {
			rtw_err(rtwdev, "failed to leave idle state\n");
			goto out;
		}
	}

	if (changed & IEEE80211_CONF_CHANGE_CHANNEL)
		rtw_set_channel(rtwdev);

	if ((changed & IEEE80211_CONF_CHANGE_IDLE) &&
	    (hw->conf.flags & IEEE80211_CONF_IDLE) &&
	    !test_bit(RTW_FLAG_SCANNING, rtwdev->flags))
		rtw_enter_ips(rtwdev);

out:
	mutex_unlock(&rtwdev->mutex);
	return ret;
}

static const struct rtw_vif_port rtw_vif_port[] = {
	[0] = {
		.mac_addr	= {.addr = 0x0610},
		.bssid		= {.addr = 0x0618},
		.net_type	= {.addr = 0x0100, .mask = 0x30000},
		.aid		= {.addr = 0x06a8, .mask = 0x7ff},
		.bcn_ctrl	= {.addr = 0x0550, .mask = 0xff},
	},
	[1] = {
		.mac_addr	= {.addr = 0x0700},
		.bssid		= {.addr = 0x0708},
		.net_type	= {.addr = 0x0100, .mask = 0xc0000},
		.aid		= {.addr = 0x0710, .mask = 0x7ff},
		.bcn_ctrl	= {.addr = 0x0551, .mask = 0xff},
	},
	[2] = {
		.mac_addr	= {.addr = 0x1620},
		.bssid		= {.addr = 0x1628},
		.net_type	= {.addr = 0x1100, .mask = 0x3},
		.aid		= {.addr = 0x1600, .mask = 0x7ff},
		.bcn_ctrl	= {.addr = 0x0578, .mask = 0xff},
	},
	[3] = {
		.mac_addr	= {.addr = 0x1630},
		.bssid		= {.addr = 0x1638},
		.net_type	= {.addr = 0x1100, .mask = 0xc},
		.aid		= {.addr = 0x1604, .mask = 0x7ff},
		.bcn_ctrl	= {.addr = 0x0579, .mask = 0xff},
	},
	[4] = {
		.mac_addr	= {.addr = 0x1640},
		.bssid		= {.addr = 0x1648},
		.net_type	= {.addr = 0x1100, .mask = 0x30},
		.aid		= {.addr = 0x1608, .mask = 0x7ff},
		.bcn_ctrl	= {.addr = 0x057a, .mask = 0xff},
	},
};

static int rtw_ops_add_interface(struct ieee80211_hw *hw,
				 struct ieee80211_vif *vif)
{
	struct rtw_dev *rtwdev = hw->priv;
	struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv;
	enum rtw_net_type net_type;
	u32 config = 0;
	u8 port;
	u8 bcn_ctrl = 0;

	if (rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_BCN_FILTER))
		vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER |
				     IEEE80211_VIF_SUPPORTS_CQM_RSSI;
	rtwvif->stats