}
sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
+ sinfo->txrate.bw = RATE_INFO_BW_20;
} else if (is_rate_ht40(rate, &mcs, &sgi)) {
if (sgi) {
sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
sinfo->txrate.mcs = mcs;
}
- sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
+ sinfo->txrate.bw = RATE_INFO_BW_40;
sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
} else {
ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
/* HT or VHT */
switch (tx_htinfo & (BIT(3) | BIT(2))) {
case 0:
- /* This will be 20MHz */
+ rate->bw = RATE_INFO_BW_20;
break;
case (BIT(2)):
- rate->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
+ rate->bw = RATE_INFO_BW_40;
break;
case (BIT(3)):
- rate->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
+ rate->bw = RATE_INFO_BW_80;
break;
case (BIT(3) | BIT(2)):
- rate->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
+ rate->bw = RATE_INFO_BW_160;
break;
}
if ((tx_htinfo & BIT(0)) && (priv->tx_rate < 16)) {
rate->mcs = priv->tx_rate;
rate->flags |= RATE_INFO_FLAGS_MCS;
+ rate->bw = RATE_INFO_BW_20;
if (tx_htinfo & BIT(1))
- rate->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
+ rate->bw = RATE_INFO_BW_40;
if (tx_htinfo & BIT(2))
rate->flags |= RATE_INFO_FLAGS_SHORT_GI;
}
*
* @RATE_INFO_FLAGS_MCS: mcs field filled with HT MCS
* @RATE_INFO_FLAGS_VHT_MCS: mcs field filled with VHT MCS
- * @RATE_INFO_FLAGS_40_MHZ_WIDTH: 40 MHz width transmission
- * @RATE_INFO_FLAGS_80_MHZ_WIDTH: 80 MHz width transmission
- * @RATE_INFO_FLAGS_80P80_MHZ_WIDTH: 80+80 MHz width transmission
- * @RATE_INFO_FLAGS_160_MHZ_WIDTH: 160 MHz width transmission
* @RATE_INFO_FLAGS_SHORT_GI: 400ns guard interval
* @RATE_INFO_FLAGS_60G: 60GHz MCS
*/
enum rate_info_flags {
RATE_INFO_FLAGS_MCS = BIT(0),
RATE_INFO_FLAGS_VHT_MCS = BIT(1),
- RATE_INFO_FLAGS_40_MHZ_WIDTH = BIT(2),
- RATE_INFO_FLAGS_80_MHZ_WIDTH = BIT(3),
- RATE_INFO_FLAGS_80P80_MHZ_WIDTH = BIT(4),
- RATE_INFO_FLAGS_160_MHZ_WIDTH = BIT(5),
- RATE_INFO_FLAGS_SHORT_GI = BIT(6),
- RATE_INFO_FLAGS_60G = BIT(7),
+ RATE_INFO_FLAGS_SHORT_GI = BIT(2),
+ RATE_INFO_FLAGS_60G = BIT(3),
+};
+
+/**
+ * enum rate_info_bw - rate bandwidth information
+ *
+ * Used by the driver to indicate the rate bandwidth.
+ *
+ * @RATE_INFO_BW_5: 5 MHz bandwidth
+ * @RATE_INFO_BW_10: 10 MHz bandwidth
+ * @RATE_INFO_BW_20: 20 MHz bandwidth
+ * @RATE_INFO_BW_40: 40 MHz bandwidth
+ * @RATE_INFO_BW_80: 80 MHz bandwidth
+ * @RATE_INFO_BW_160: 160 MHz bandwidth
+ */
+enum rate_info_bw {
+ RATE_INFO_BW_5,
+ RATE_INFO_BW_10,
+ RATE_INFO_BW_20,
+ RATE_INFO_BW_40,
+ RATE_INFO_BW_80,
+ RATE_INFO_BW_160,
};
/**
* @mcs: mcs index if struct describes a 802.11n bitrate
* @legacy: bitrate in 100kbit/s for 802.11abg
* @nss: number of streams (VHT only)
+ * @bw: bandwidth (from &enum rate_info_bw)
*/
struct rate_info {
u8 flags;
u8 mcs;
u16 legacy;
u8 nss;
+ u8 bw;
};
/**
* These flags are used with the @vht_flag member of
* &struct ieee80211_rx_status.
* @RX_VHT_FLAG_80MHZ: 80 MHz was used
- * @RX_VHT_FLAG_80P80MHZ: 80+80 MHz was used
* @RX_VHT_FLAG_160MHZ: 160 MHz was used
* @RX_VHT_FLAG_BF: packet was beamformed
*/
enum mac80211_rx_vht_flags {
RX_VHT_FLAG_80MHZ = BIT(0),
- RX_VHT_FLAG_80P80MHZ = BIT(1),
- RX_VHT_FLAG_160MHZ = BIT(2),
- RX_VHT_FLAG_BF = BIT(3),
+ RX_VHT_FLAG_160MHZ = BIT(1),
+ RX_VHT_FLAG_BF = BIT(2),
};
/**
* @NL80211_RATE_INFO_VHT_MCS: MCS index for VHT (u8)
* @NL80211_RATE_INFO_VHT_NSS: number of streams in VHT (u8)
* @NL80211_RATE_INFO_80_MHZ_WIDTH: 80 MHz VHT rate
- * @NL80211_RATE_INFO_80P80_MHZ_WIDTH: 80+80 MHz VHT rate
+ * @NL80211_RATE_INFO_80P80_MHZ_WIDTH: unused - 80+80 is treated the
+ * same as 160 for purposes of the bitrates
* @NL80211_RATE_INFO_160_MHZ_WIDTH: 160 MHz VHT rate
+ * @NL80211_RATE_INFO_10_MHZ_WIDTH: 10 MHz width - note that this is
+ * a legacy rate and will be reported as the actual bitrate, i.e.
+ * half the base (20 MHz) rate
+ * @NL80211_RATE_INFO_5_MHZ_WIDTH: 5 MHz width - note that this is
+ * a legacy rate and will be reported as the actual bitrate, i.e.
+ * a quarter of the base (20 MHz) rate
* @__NL80211_RATE_INFO_AFTER_LAST: internal use
*/
enum nl80211_rate_info {
NL80211_RATE_INFO_80_MHZ_WIDTH,
NL80211_RATE_INFO_80P80_MHZ_WIDTH,
NL80211_RATE_INFO_160_MHZ_WIDTH,
+ NL80211_RATE_INFO_10_MHZ_WIDTH,
+ NL80211_RATE_INFO_5_MHZ_WIDTH,
/* keep last */
__NL80211_RATE_INFO_AFTER_LAST,
rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
}
if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
- rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
- if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
- rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
- if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
- rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
+ rinfo->bw = RATE_INFO_BW_40;
+ else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
+ rinfo->bw = RATE_INFO_BW_80;
+ else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
+ rinfo->bw = RATE_INFO_BW_160;
+ else
+ rinfo->bw = RATE_INFO_BW_20;
if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
}
rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
}
- if (sta->last_rx_rate_flag & RX_FLAG_40MHZ)
- rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI)
rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
- if (sta->last_rx_rate_vht_flag & RX_VHT_FLAG_80MHZ)
- rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
- if (sta->last_rx_rate_vht_flag & RX_VHT_FLAG_80P80MHZ)
- rinfo->flags |= RATE_INFO_FLAGS_80P80_MHZ_WIDTH;
- if (sta->last_rx_rate_vht_flag & RX_VHT_FLAG_160MHZ)
- rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
+
+ if (sta->last_rx_rate_flag & RX_FLAG_5MHZ)
+ rinfo->bw = RATE_INFO_BW_5;
+ else if (sta->last_rx_rate_flag & RX_FLAG_10MHZ)
+ rinfo->bw = RATE_INFO_BW_10;
+ else if (sta->last_rx_rate_flag & RX_FLAG_40MHZ)
+ rinfo->bw = RATE_INFO_BW_40;
+ else if (sta->last_rx_rate_vht_flag & RX_VHT_FLAG_80MHZ)
+ rinfo->bw = RATE_INFO_BW_80;
+ else if (sta->last_rx_rate_vht_flag & RX_VHT_FLAG_160MHZ)
+ rinfo->bw = RATE_INFO_BW_160;
+ else
+ rinfo->bw = RATE_INFO_BW_20;
}
static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
sdata_assert_lock(sdata);
if (!assoc) {
+ /*
+ * we are not authenticated yet, the only timer that could be
+ * running is the timeout for the authentication response which
+ * which is not relevant anymore.
+ */
+ del_timer_sync(&sdata->u.mgd.timer);
sta_info_destroy_addr(sdata, auth_data->bss->bssid);
memset(sdata->u.mgd.bssid, 0, ETH_ALEN);
sdata_assert_lock(sdata);
if (!assoc) {
+ /*
+ * we are not associated yet, the only timer that could be
+ * running is the timeout for the association response which
+ * which is not relevant anymore.
+ */
+ del_timer_sync(&sdata->u.mgd.timer);
sta_info_destroy_addr(sdata, assoc_data->bss->bssid);
memset(sdata->u.mgd.bssid, 0, ETH_ALEN);
u16 known = local->hw.radiotap_vht_details;
rthdr->it_present |= cpu_to_le32(1 << IEEE80211_RADIOTAP_VHT);
- /* known field - how to handle 80+80? */
- if (status->vht_flag & RX_VHT_FLAG_80P80MHZ)
- known &= ~IEEE80211_RADIOTAP_VHT_KNOWN_BANDWIDTH;
put_unaligned_le16(known, pos);
pos += 2;
/* flags */
/* bandwidth */
if (status->vht_flag & RX_VHT_FLAG_80MHZ)
*pos++ = 4;
- else if (status->vht_flag & RX_VHT_FLAG_80P80MHZ)
- *pos++ = 0; /* marked not known above */
else if (status->vht_flag & RX_VHT_FLAG_160MHZ)
*pos++ = 11;
else if (status->flag & RX_FLAG_40MHZ)
struct ieee80211_bar *bar;
int rtap_len;
int shift = 0;
- int tid = IEEE80211_NUM_TIDS;;
+ int tid = IEEE80211_NUM_TIDS;
rates_idx = ieee80211_tx_get_rates(hw, info, &retry_count);
ri.mcs = status->rate_idx;
ri.flags |= RATE_INFO_FLAGS_MCS;
if (status->flag & RX_FLAG_40MHZ)
- ri.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
+ ri.bw = RATE_INFO_BW_40;
+ else
+ ri.bw = RATE_INFO_BW_20;
if (status->flag & RX_FLAG_SHORT_GI)
ri.flags |= RATE_INFO_FLAGS_SHORT_GI;
} else if (status->flag & RX_FLAG_VHT) {
ri.mcs = status->rate_idx;
ri.nss = status->vht_nss;
if (status->flag & RX_FLAG_40MHZ)
- ri.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
- if (status->vht_flag & RX_VHT_FLAG_80MHZ)
- ri.flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
- if (status->vht_flag & RX_VHT_FLAG_80P80MHZ)
- ri.flags |= RATE_INFO_FLAGS_80P80_MHZ_WIDTH;
- if (status->vht_flag & RX_VHT_FLAG_160MHZ)
- ri.flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
+ ri.bw = RATE_INFO_BW_40;
+ else if (status->vht_flag & RX_VHT_FLAG_80MHZ)
+ ri.bw = RATE_INFO_BW_80;
+ else if (status->vht_flag & RX_VHT_FLAG_160MHZ)
+ ri.bw = RATE_INFO_BW_160;
+ else
+ ri.bw = RATE_INFO_BW_20;
if (status->flag & RX_FLAG_SHORT_GI)
ri.flags |= RATE_INFO_FLAGS_SHORT_GI;
} else {
int shift = 0;
int bitrate;
- if (status->flag & RX_FLAG_10MHZ)
+ if (status->flag & RX_FLAG_10MHZ) {
shift = 1;
- if (status->flag & RX_FLAG_5MHZ)
+ ri.bw = RATE_INFO_BW_10;
+ } else if (status->flag & RX_FLAG_5MHZ) {
shift = 2;
+ ri.bw = RATE_INFO_BW_5;
+ } else {
+ ri.bw = RATE_INFO_BW_20;
+ }
sband = local->hw.wiphy->bands[status->band];
bitrate = sband->bitrates[status->rate_idx].bitrate;
#include <linux/sched.h>
#include <net/genetlink.h>
#include <net/cfg80211.h>
-#include <net/rtnetlink.h>
#include "nl80211.h"
#include "core.h"
#include "sysfs.h"
}
EXPORT_SYMBOL(cfg80211_stop_iface);
-static const struct rtnl_link_ops wireless_link_ops = {
- .kind = "wlan",
-};
-
static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
unsigned long state, void *ptr)
{
switch (state) {
case NETDEV_POST_INIT:
SET_NETDEV_DEVTYPE(dev, &wiphy_type);
- dev->rtnl_link_ops = &wireless_link_ops;
break;
case NETDEV_REGISTER:
/*
struct nlattr *rate;
u32 bitrate;
u16 bitrate_compat;
+ enum nl80211_attrs rate_flg;
rate = nla_nest_start(msg, attr);
if (!rate)
nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat))
return false;
+ switch (info->bw) {
+ case RATE_INFO_BW_5:
+ rate_flg = NL80211_RATE_INFO_5_MHZ_WIDTH;
+ break;
+ case RATE_INFO_BW_10:
+ rate_flg = NL80211_RATE_INFO_10_MHZ_WIDTH;
+ break;
+ default:
+ WARN_ON(1);
+ /* fall through */
+ case RATE_INFO_BW_20:
+ rate_flg = 0;
+ break;
+ case RATE_INFO_BW_40:
+ rate_flg = NL80211_RATE_INFO_40_MHZ_WIDTH;
+ break;
+ case RATE_INFO_BW_80:
+ rate_flg = NL80211_RATE_INFO_80_MHZ_WIDTH;
+ break;
+ case RATE_INFO_BW_160:
+ rate_flg = NL80211_RATE_INFO_160_MHZ_WIDTH;
+ break;
+ }
+
+ if (rate_flg && nla_put_flag(msg, rate_flg))
+ return false;
+
if (info->flags & RATE_INFO_FLAGS_MCS) {
if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs))
return false;
- if (info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH &&
- nla_put_flag(msg, NL80211_RATE_INFO_40_MHZ_WIDTH))
- return false;
if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
return false;
return false;
if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss))
return false;
- if (info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH &&
- nla_put_flag(msg, NL80211_RATE_INFO_40_MHZ_WIDTH))
- return false;
- if (info->flags & RATE_INFO_FLAGS_80_MHZ_WIDTH &&
- nla_put_flag(msg, NL80211_RATE_INFO_80_MHZ_WIDTH))
- return false;
- if (info->flags & RATE_INFO_FLAGS_80P80_MHZ_WIDTH &&
- nla_put_flag(msg, NL80211_RATE_INFO_80P80_MHZ_WIDTH))
- return false;
- if (info->flags & RATE_INFO_FLAGS_160_MHZ_WIDTH &&
- nla_put_flag(msg, NL80211_RATE_INFO_160_MHZ_WIDTH))
- return false;
if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
return false;
return;
if (nl80211_send_station(msg, NL80211_CMD_DEL_STATION, 0, 0, 0,
- rdev, dev, mac_addr, sinfo)) {
+ rdev, dev, mac_addr, sinfo) < 0) {
nlmsg_free(msg);
return;
}
if (WARN_ON_ONCE(rate->mcs > 9))
return 0;
- idx = rate->flags & (RATE_INFO_FLAGS_160_MHZ_WIDTH |
- RATE_INFO_FLAGS_80P80_MHZ_WIDTH) ? 3 :
- rate->flags & RATE_INFO_FLAGS_80_MHZ_WIDTH ? 2 :
- rate->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH ? 1 : 0;
+ switch (rate->bw) {
+ case RATE_INFO_BW_160:
+ idx = 3;
+ break;
+ case RATE_INFO_BW_80:
+ idx = 2;
+ break;
+ case RATE_INFO_BW_40:
+ idx = 1;
+ break;
+ case RATE_INFO_BW_5:
+ case RATE_INFO_BW_10:
+ default:
+ WARN_ON(1);
+ /* fall through */
+ case RATE_INFO_BW_20:
+ idx = 0;
+ }
bitrate = base[idx][rate->mcs];
bitrate *= rate->nss;
modulation = rate->mcs & 7;
streams = (rate->mcs >> 3) + 1;
- bitrate = (rate->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH) ?
- 13500000 : 6500000;
+ bitrate = (rate->bw == RATE_INFO_BW_40) ? 13500000 : 6500000;
if (modulation < 4)
bitrate *= (modulation + 1);