/* NOTE: If you add more over-rides here, update register_hw *ht_capa_mod_masklogicinmain.caswell. *And,ifthismethodcaneverchangeht_cap.ht_supported,fix *thecheckinieee80211_add_ht_ie.
*/
/* check for HT over-rides, MCS rates first. */ for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) {
u8 m = smask[i];
ht_cap->mcs.rx_mask[i] &= ~m; /* turn off all masked bits */ /* Add back rates that are supported */
ht_cap->mcs.rx_mask[i] |= (m & scaps[i]);
}
/* Force removal of HT-40 capabilities? */
__check_htcap_disable(ht_capa, ht_capa_mask, ht_cap,
IEEE80211_HT_CAP_SUP_WIDTH_20_40);
__check_htcap_disable(ht_capa, ht_capa_mask, ht_cap,
IEEE80211_HT_CAP_SGI_40);
/* Allow user to disable SGI-20 (SGI-40 is handled above) */
__check_htcap_disable(ht_capa, ht_capa_mask, ht_cap,
IEEE80211_HT_CAP_SGI_20);
/* Allow user to disable the max-AMSDU bit. */
__check_htcap_disable(ht_capa, ht_capa_mask, ht_cap,
IEEE80211_HT_CAP_MAX_AMSDU);
/* Allow user to disable LDPC */
__check_htcap_disable(ht_capa, ht_capa_mask, ht_cap,
IEEE80211_HT_CAP_LDPC_CODING);
/* Allow user to enable 40 MHz intolerant bit. */
__check_htcap_enable(ht_capa, ht_capa_mask, ht_cap,
IEEE80211_HT_CAP_40MHZ_INTOLERANT);
/* Allow user to enable TX STBC bit */
__check_htcap_enable(ht_capa, ht_capa_mask, ht_cap,
IEEE80211_HT_CAP_TX_STBC);
/* Allow user to configure RX STBC bits */ if (ht_capa_mask->cap_info & cpu_to_le16(IEEE80211_HT_CAP_RX_STBC))
ht_cap->cap |= le16_to_cpu(ht_capa->cap_info) &
IEEE80211_HT_CAP_RX_STBC;
/* Allow user to decrease AMPDU factor */ if (ht_capa_mask->ampdu_params_info &
IEEE80211_HT_AMPDU_PARM_FACTOR) {
u8 n = ht_capa->ampdu_params_info &
IEEE80211_HT_AMPDU_PARM_FACTOR; if (n < ht_cap->ampdu_factor)
ht_cap->ampdu_factor = n;
}
/* Allow the user to increase AMPDU density. */ if (ht_capa_mask->ampdu_params_info &
IEEE80211_HT_AMPDU_PARM_DENSITY) {
u8 n = (ht_capa->ampdu_params_info &
IEEE80211_HT_AMPDU_PARM_DENSITY)
>> IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT; if (n > ht_cap->ampdu_density)
ht_cap->ampdu_density = n;
}
}
/* *802.11n-200920.3.5/20.6says: *-indices0to7and32aresinglespatialstream *-8to31aremultiplespatialstreamsusingequalmodulation *[8..15fortwostreams,16..23forthreeand24..31forfour] *-remainderaremultiplespatialstreamsusingunequalmodulation
*/ for (i = 0; i < max_tx_streams; i++)
ht_cap.mcs.rx_mask[i] =
own_cap.mcs.rx_mask[i] & ht_cap_ie->mcs.rx_mask[i];
if (tx_mcs_set_cap & IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION) for (i = IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE;
i < IEEE80211_HT_MCS_MASK_LEN; i++)
ht_cap.mcs.rx_mask[i] =
own_cap.mcs.rx_mask[i] &
ht_cap_ie->mcs.rx_mask[i];
/* handle MCS rate 32 too */ if (own_cap.mcs.rx_mask[32/8] & ht_cap_ie->mcs.rx_mask[32/8] & 1)
ht_cap.mcs.rx_mask[32/8] |= 1;
/* set Rx highest rate */
ht_cap.mcs.rx_highest = ht_cap_ie->mcs.rx_highest;
void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta, enum ieee80211_agg_stop_reason reason)
{ int i;
lockdep_assert_wiphy(sta->local->hw.wiphy);
for (i = 0; i < IEEE80211_NUM_TIDS; i++)
__ieee80211_stop_rx_ba_session(sta, i, WLAN_BACK_RECIPIENT,
WLAN_REASON_QSTA_LEAVE_QBSS,
reason != AGG_STOP_DESTROY_STA &&
reason != AGG_STOP_PEER_REQUEST);
for (i = 0; i < IEEE80211_NUM_TIDS; i++)
__ieee80211_stop_tx_ba_session(sta, i, reason);
sta->ampdu_mlme.tid_start_tx[tid] = NULL; /* could there be a race? */ if (sta->ampdu_mlme.tid_tx[tid])
kfree(tid_tx); else
ieee80211_assign_tid_tx(sta, tid, tid_tx);
spin_unlock_bh(&sta->lock);
skb_reserve(skb, local->hw.extra_tx_headroom);
action_frame = skb_put(skb, 27);
memcpy(action_frame->da, da, ETH_ALEN);
memcpy(action_frame->sa, sdata->dev->dev_addr, ETH_ALEN);
memcpy(action_frame->bssid, bssid, ETH_ALEN);
action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
IEEE80211_STYPE_ACTION);
action_frame->u.action.category = WLAN_CATEGORY_HT;
action_frame->u.action.u.ht_smps.action = WLAN_HT_ACTION_SMPS; switch (smps) { case IEEE80211_SMPS_AUTOMATIC: case IEEE80211_SMPS_NUM_MODES:
WARN_ON(1);
smps = IEEE80211_SMPS_OFF;
fallthrough; case IEEE80211_SMPS_OFF:
action_frame->u.action.u.ht_smps.smps_control =
WLAN_HT_SMPS_CONTROL_DISABLED; break; case IEEE80211_SMPS_STATIC:
action_frame->u.action.u.ht_smps.smps_control =
WLAN_HT_SMPS_CONTROL_STATIC; break; case IEEE80211_SMPS_DYNAMIC:
action_frame->u.action.u.ht_smps.smps_control =
WLAN_HT_SMPS_CONTROL_DYNAMIC; break;
}
/* we'll do more on status of this frame */
info = IEEE80211_SKB_CB(skb);
info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS; /* we have 13 bits, and need 6: link_id 4, smps 2 */
info->status_data = IEEE80211_STATUS_TYPE_SMPS |
u16_encode_bits(status_link_id << 2 | smps,
IEEE80211_STATUS_SUBDATA_MASK);
ieee80211_tx_skb_tid(sdata, skb, 7, link_id);
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