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// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
/* Copyright(c) 2018-2019 Realtek Corporation
*/
#include "main.h"
#include "rx.h"
#include "ps.h"
void rtw_rx_stats(struct rtw_dev *rtwdev, struct ieee80211_vif *vif,
struct sk_buff *skb)
{
struct ieee80211_hdr *hdr;
struct rtw_vif *rtwvif;
hdr = (struct ieee80211_hdr *)skb->data;
if (!ieee80211_is_data(hdr->frame_control))
return;
if (!is_broadcast_ether_addr(hdr->addr1) &&
!is_multicast_ether_addr(hdr->addr1)) {
rtwdev->stats.rx_unicast += skb->len;
rtwdev->stats.rx_cnt++;
if (vif) {
rtwvif = (struct rtw_vif *)vif->drv_priv;
rtwvif->stats.rx_unicast += skb->len;
rtwvif->stats.rx_cnt++;
if (rtwvif->stats.rx_cnt > RTW_LPS_THRESHOLD)
rtw_leave_lps_irqsafe(rtwdev, rtwvif);
}
}
}
EXPORT_SYMBOL(rtw_rx_stats);
struct rtw_rx_addr_match_data {
struct rtw_dev *rtwdev;
struct ieee80211_hdr *hdr;
struct rtw_rx_pkt_stat *pkt_stat;
u8 *bssid;
};
static void rtw_rx_addr_match_iter(void *data, u8 *mac,
struct ieee80211_vif *vif)
{
struct rtw_rx_addr_match_data *iter_data = data;
struct ieee80211_sta *sta;
struct ieee80211_hdr *hdr = iter_data->hdr;
struct rtw_dev *rtwdev = iter_data->rtwdev;
struct rtw_sta_info *si;
struct rtw_rx_pkt_stat *pkt_stat = iter_data->pkt_stat;
u8 *bssid = iter_data->bssid;
if (ether_addr_equal(vif->bss_conf.bssid, bssid) &&
(ether_addr_equal(vif->addr, hdr->addr1) ||
ieee80211_is_beacon(hdr->frame_control)))
sta = ieee80211_find_sta_by_ifaddr(rtwdev->hw, hdr->addr2,
vif->addr);
else
return;
if (!sta)
return;
si = (struct rtw_sta_info *)sta->drv_priv;
ewma_rssi_add(&si->avg_rssi, pkt_stat->rssi);
}
static void rtw_rx_addr_match(struct rtw_dev *rtwdev,
struct rtw_rx_pkt_stat *pkt_stat,
struct ieee80211_hdr *hdr)
{
struct rtw_rx_addr_match_data data = {};
if (pkt_stat->crc_err || pkt_stat->icv_err || !pkt_stat->phy_status ||
ieee80211_is_ctl(hdr->frame_control))
return;
data.rtwdev = rtwdev;
data.hdr = hdr;
data.pkt_stat = pkt_stat;
data.bssid = get_hdr_bssid(hdr);
rtw_iterate_vifs_atomic(rtwdev, rtw_rx_addr_match_iter, &data);
}
void rtw_rx_fill_rx_status(struct rtw_dev *rtwdev,
struct rtw_rx_pkt_stat *pkt_stat,
struct ieee80211_hdr *hdr,
struct ieee80211_rx_status *rx_status,
u8 *phy_status)
{
struct ieee80211_hw *hw = rtwdev->hw;
memset(rx_status, 0, sizeof(*rx_status));
rx_status->freq = hw->conf.chandef.chan->center_freq;
rx_status->band = hw->conf.chandef.chan->band;
if (pkt_stat->crc_err)
rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
if (pkt_stat->decrypted)
rx_status->flag |= RX_FLAG_DECRYPTED;
if (pkt_stat->rate >= DESC_RATEVHT1SS_MCS0)
rx_status->encoding = RX_ENC_VHT;
else if (pkt_stat->rate >= DESC_RATEMCS0)
rx_status->encoding = RX_ENC_HT;
if (pkt_stat->rate >= DESC_RATEVHT1SS_MCS0 &&
pkt_stat->rate <= DESC_RATEVHT1SS_MCS9) {
rx_status->nss = 1;
rx_status->rate_idx = pkt_stat->rate - DESC_RATEVHT1SS_MCS0;
} else if (pkt_stat->rate >= DESC_RATEVHT2SS_MCS0 &&
pkt_stat->rate <= DESC_RATEVHT2SS_MCS9) {
rx_status->nss = 2;
rx_status->rate_idx = pkt_stat->rate - DESC_RATEVHT2SS_MCS0;
} else if (pkt_stat->rate >= DESC_RATEVHT3SS_MCS0 &&
pkt_stat->rate <= DESC_RATEVHT3SS_MCS9) {
rx_status->nss = 3;
rx_status->rate_idx = pkt_stat->rate - DESC_RATEVHT3SS_MCS0;
} else if (pkt_stat->rate >= DESC_RATEVHT4SS_MCS0 &&
pkt_stat->rate <= DESC_RATEVHT4SS_MCS9) {
rx_status->nss = 4;
rx_status->rate_idx = pkt_stat->rate - DESC_RATEVHT4SS_MCS0;
} else if (pkt_stat->rate >= DESC_RATEMCS0 &&
pkt_stat->rate <= DESC_RATEMCS15) {
rx_status->rate_idx = pkt_stat->rate - DESC_RATEMCS0;
} else if (rx_status->band == NL80211_BAND_5GHZ &&
pkt_stat->rate >= DESC_RATE6M &&
pkt_stat->rate <= DESC_RATE54M) {
rx_status->rate_idx = pkt_stat->rate - DESC_RATE6M;
} else if (rx_status->band == NL80211_BAND_2GHZ &&
pkt_stat->rate >= DESC_RATE1M &&
pkt_stat->rate <= DESC_RATE54M) {
rx_status->rate_idx = pkt_stat->rate - DESC_RATE1M;
} else {
rx_status->rate_idx = 0;
}
rx_status->flag |= RX_FLAG_MACTIME_START;
rx_status->mactime = pkt_stat->tsf_low;
if (pkt_stat->bw == RTW_CHANNEL_WIDTH_80)
rx_status->bw = RATE_INFO_BW_80;
else if (pkt_stat->bw == RTW_CHANNEL_WIDTH_40)
rx_status->bw = RATE_INFO_BW_40;
else
rx_status->bw = RATE_INFO_BW_20;
rx_status->signal = pkt_stat->signal_power;
rtw_rx_addr_match(rtwdev, pkt_stat, hdr);
}
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