static void r92su_rx_add_radiotap(struct r92su *r92su,
rx_hdr *rx_hdr,
struct sk_buff *skb,
unsigned int rtap_len)
{
unsigned char *pos;
struct ieee80211_radiotap_header *rthdr;
unsigned int rx_mcs;
bool ht;
rthdr = (struct ieee80211_radiotap_header *)skb_push(skb, rtap_len);
memset(rthdr, 0, sizeof(*rthdr));
rthdr->it_present =
cpu_to_le32((1 << IEEE80211_RADIOTAP_FLAGS) |
(1 << IEEE80211_RADIOTAP_CHANNEL) |
(1 << IEEE80211_RADIOTAP_ANTENNA) |
(1 << IEEE80211_RADIOTAP_RX_FLAGS) |
(1 << IEEE80211_RADIOTAP_TSFT));
rthdr->it_len = cpu_to_le16(rtap_len);
pos = (unsigned char *)(rthdr + 1);
/* Note: the order of the entries is important! */
/* IEEE80211_RADIOTAP_TSFT + TSFT Alignment */
while ((pos - (u8 *)rthdr) & 7)
*pos++ = 0;
put_unaligned_le64(GET_RX_DESC_TSFL(rx_hdr), pos);
pos += 8;
/* IEEE80211_RADIOTAP_FLAGS */
*pos = IEEE80211_RADIOTAP_F_FCS;
if (GET_RX_DESC_CRC32(rx_hdr))
*pos |= IEEE80211_RADIOTAP_F_BADFCS;
if (GET_RX_DESC_SPLCP(rx_hdr))
*pos |= IEEE80211_RADIOTAP_F_SHORTPRE;
pos++;
rx_mcs = GET_RX_DESC_RX_MCS(rx_hdr);
/* IEEE80211_RADIOTAP_RATE */
ht = GET_RX_DESC_RX_HT(rx_hdr);
if (ht) {
/* Without rate information don't add it. If we have,
* MCS information is a separate field in radiotap,
* added below. The byte here is needed as padding
* for the channel though, so initialise it to 0.
*/
*pos = 0;
} else {
rthdr->it_present |= cpu_to_le32(1 << IEEE80211_RADIOTAP_RATE);
*pos = r92su->band_2GHZ.bitrates[rx_mcs].bitrate / 5;
}
pos++;
/* IEEE80211_RADIOTAP_CHANNEL */
put_unaligned_le16(r92su->current_channel->center_freq, pos);
pos += 2;
if (ht)
put_unaligned_le16(IEEE80211_CHAN_DYN | IEEE80211_CHAN_2GHZ,
pos);
else if (rx_mcs > 3)
put_unaligned_le16(IEEE80211_CHAN_OFDM | IEEE80211_CHAN_2GHZ,
pos);
else
put_unaligned_le16(IEEE80211_CHAN_CCK | IEEE80211_CHAN_2GHZ,
pos);
pos += 2;
/* IEEE80211_RADIOTAP_ANTENNA */
*pos++ = 0;
/* IEEE80211_RADIOTAP_RX_FLAGS */
/* ensure 2 byte alignment for the 2 byte field as required */
if ((pos - (u8 *)rthdr) & 1)
*pos++ = 0;
put_unaligned_le16(0, pos);
pos += 2;
if (ht) {
rthdr->it_present |= cpu_to_le32(1 << IEEE80211_RADIOTAP_MCS);
*pos++ = IEEE80211_RADIOTAP_MCS_HAVE_MCS |
IEEE80211_RADIOTAP_MCS_HAVE_BW;
*pos = 0;
if (GET_RX_DESC_BW(rx_hdr))
*pos |= IEEE80211_RADIOTAP_MCS_BW_40;
pos++;
*pos++ = rx_mcs;
}
if (GET_RX_DESC_PAGGR(rx_hdr)) {
u16 flags = 0;
/* ensure 4 byte alignment */
while ((pos - (u8 *)rthdr) & 3)
pos++;
rthdr->it_present |=
cpu_to_le32(1 << IEEE80211_RADIOTAP_AMPDU_STATUS);
if (GET_RX_DESC_FAGGR(rx_hdr))
r92su->ampdu_reference++;
put_unaligned_le32(r92su->ampdu_reference, pos);
pos += 4;
/* ampdu flags, no flags ? */
put_unaligned_le16(flags, pos);
pos += 2;
*pos++ = 0; /* no crc delim */
*pos++ = 0;
}
}
bool rtl8822be_rx_query_desc(struct ieee80211_hw *hw, struct rtl_stats *status,
struct ieee80211_rx_status *rx_status, u8 *pdesc,
struct sk_buff *skb)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
u8 *p_phystrpt = NULL;
struct ieee80211_hdr *hdr;
u32 phystatus = GET_RX_DESC_PHYST(pdesc);
if (GET_RX_DESC_C2H(pdesc) == 0)
status->packet_report_type = NORMAL_RX;
else
status->packet_report_type = C2H_PACKET;
status->length = (u16)GET_RX_DESC_PKT_LEN(pdesc);
status->rx_drvinfo_size =
(u8)GET_RX_DESC_DRV_INFO_SIZE(pdesc) * RX_DRV_INFO_SIZE_UNIT;
status->rx_bufshift = (u8)(GET_RX_DESC_SHIFT(pdesc) & 0x03);
status->icv = (u16)GET_RX_DESC_ICV_ERR(pdesc);
status->crc = (u16)GET_RX_DESC_CRC32(pdesc);
status->hwerror = (status->crc | status->icv);
status->decrypted = !GET_RX_DESC_SWDEC(pdesc);
status->rate = (u8)GET_RX_DESC_RX_RATE(pdesc);
status->isampdu = (bool)(GET_RX_DESC_PAGGR(pdesc) == 1);
status->isfirst_ampdu = (bool)(GET_RX_DESC_PAGGR(pdesc) == 1);
status->timestamp_low = GET_RX_DESC_TSFL(pdesc);
status->is_ht = rtl8822be_get_rxdesc_is_ht(hw, pdesc);
status->is_vht = rtl8822be_get_rxdesc_is_vht(hw, pdesc);
status->vht_nss = rtl8822be_get_rx_vht_nss(hw, pdesc);
status->is_cck = RX_HAL_IS_CCK_RATE(status->rate);
status->macid = GET_RX_DESC_MACID(pdesc);
if (GET_RX_DESC_PATTERN_MATCH(pdesc))
status->wake_match = BIT(2);
else if (GET_RX_DESC_MAGIC_WAKE(pdesc))
status->wake_match = BIT(1);
else if (GET_RX_DESC_UNICAST_WAKE(pdesc))
status->wake_match = BIT(0);
else
status->wake_match = 0;
if (status->wake_match)
RT_TRACE(rtlpriv, COMP_RXDESC, DBG_LOUD,
"GGGGGGGGGGGGGet Wakeup Packet!! WakeMatch=%d\n",
status->wake_match);
rx_status->freq = hw->conf.chandef.chan->center_freq;
rx_status->band = hw->conf.chandef.chan->band;
if (phystatus)
p_phystrpt = (skb->data + status->rx_bufshift + 24);
hdr = (struct ieee80211_hdr *)(skb->data + status->rx_drvinfo_size +
status->rx_bufshift + 24);
if (status->crc)
rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
if (status->is_ht)
rx_status->encoding = RX_ENC_HT;
if (status->is_vht)
rx_status->encoding = RX_ENC_VHT;
rx_status->nss = status->vht_nss;
rx_status->flag |= RX_FLAG_MACTIME_START;
/* hw will set status->decrypted true, if it finds the
* frame is open data frame or mgmt frame.
*/
/* So hw will not decryption robust management frame
* for IEEE80211w but still set status->decrypted
* true, so here we should set it back to undecrypted
* for IEEE80211w frame, and mac80211 sw will help
* to decrypt it
*/
if (status->decrypted) {
if ((!_ieee80211_is_robust_mgmt_frame(hdr)) &&
(ieee80211_has_protected(hdr->frame_control)))
rx_status->flag |= RX_FLAG_DECRYPTED;
else
rx_status->flag &= ~RX_FLAG_DECRYPTED;
}
/* rate_idx: index of data rate into band's
* supported rates or MCS index if HT rates
* are use (RX_FLAG_HT)
*/
/* Notice: this is diff with windows define */
rx_status->rate_idx = rtlwifi_rate_mapping(
hw, status->is_ht, status->is_vht, status->rate);
rx_status->mactime = status->timestamp_low;
_rtl8822be_translate_rx_signal_stuff(hw, skb, status, p_phystrpt);
/* below info. are filled by _rtl8822be_translate_rx_signal_stuff() */
if (!p_phystrpt)
goto label_no_physt;
rx_status->signal = status->recvsignalpower;
if (status->rx_packet_bw == HT_CHANNEL_WIDTH_20_40)
rx_status->bw = RATE_INFO_BW_40;
else if (status->rx_packet_bw == HT_CHANNEL_WIDTH_80)
rx_status->bw = RATE_INFO_BW_80;
label_no_physt:
return true;
}
