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-rw-r--r--net/mac80211/util.c363
1 files changed, 250 insertions, 113 deletions
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 0151ae33c4cd..f11e8c540db4 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -512,7 +512,7 @@ void ieee80211_wake_queues(struct ieee80211_hw *hw)
EXPORT_SYMBOL(ieee80211_wake_queues);
void ieee80211_iterate_active_interfaces(
- struct ieee80211_hw *hw,
+ struct ieee80211_hw *hw, u32 iter_flags,
void (*iterator)(void *data, u8 *mac,
struct ieee80211_vif *vif),
void *data)
@@ -530,6 +530,9 @@ void ieee80211_iterate_active_interfaces(
default:
break;
}
+ if (!(iter_flags & IEEE80211_IFACE_ITER_RESUME_ALL) &&
+ !(sdata->flags & IEEE80211_SDATA_IN_DRIVER))
+ continue;
if (ieee80211_sdata_running(sdata))
iterator(data, sdata->vif.addr,
&sdata->vif);
@@ -537,7 +540,9 @@ void ieee80211_iterate_active_interfaces(
sdata = rcu_dereference_protected(local->monitor_sdata,
lockdep_is_held(&local->iflist_mtx));
- if (sdata)
+ if (sdata &&
+ (iter_flags & IEEE80211_IFACE_ITER_RESUME_ALL ||
+ sdata->flags & IEEE80211_SDATA_IN_DRIVER))
iterator(data, sdata->vif.addr, &sdata->vif);
mutex_unlock(&local->iflist_mtx);
@@ -545,7 +550,7 @@ void ieee80211_iterate_active_interfaces(
EXPORT_SYMBOL_GPL(ieee80211_iterate_active_interfaces);
void ieee80211_iterate_active_interfaces_atomic(
- struct ieee80211_hw *hw,
+ struct ieee80211_hw *hw, u32 iter_flags,
void (*iterator)(void *data, u8 *mac,
struct ieee80211_vif *vif),
void *data)
@@ -563,13 +568,18 @@ void ieee80211_iterate_active_interfaces_atomic(
default:
break;
}
+ if (!(iter_flags & IEEE80211_IFACE_ITER_RESUME_ALL) &&
+ !(sdata->flags & IEEE80211_SDATA_IN_DRIVER))
+ continue;
if (ieee80211_sdata_running(sdata))
iterator(data, sdata->vif.addr,
&sdata->vif);
}
sdata = rcu_dereference(local->monitor_sdata);
- if (sdata)
+ if (sdata &&
+ (iter_flags & IEEE80211_IFACE_ITER_RESUME_ALL ||
+ sdata->flags & IEEE80211_SDATA_IN_DRIVER))
iterator(data, sdata->vif.addr, &sdata->vif);
rcu_read_unlock();
@@ -769,6 +779,18 @@ u32 ieee802_11_parse_elems_crc(u8 *start, size_t len,
else
elem_parse_failed = true;
break;
+ case WLAN_EID_VHT_CAPABILITY:
+ if (elen >= sizeof(struct ieee80211_vht_cap))
+ elems->vht_cap_elem = (void *)pos;
+ else
+ elem_parse_failed = true;
+ break;
+ case WLAN_EID_VHT_OPERATION:
+ if (elen >= sizeof(struct ieee80211_vht_operation))
+ elems->vht_operation = (void *)pos;
+ else
+ elem_parse_failed = true;
+ break;
case WLAN_EID_MESH_ID:
elems->mesh_id = pos;
elems->mesh_id_len = elen;
@@ -837,7 +859,7 @@ u32 ieee802_11_parse_elems_crc(u8 *start, size_t len,
if (elem_parse_failed)
elems->parse_error = true;
else
- set_bit(id, seen_elems);
+ __set_bit(id, seen_elems);
left -= elen;
pos += elen;
@@ -860,6 +882,7 @@ void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata,
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_tx_queue_params qparam;
+ struct ieee80211_chanctx_conf *chanctx_conf;
int ac;
bool use_11b, enable_qos;
int aCWmin, aCWmax;
@@ -872,8 +895,12 @@ void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata,
memset(&qparam, 0, sizeof(qparam));
- use_11b = (local->oper_channel->band == IEEE80211_BAND_2GHZ) &&
+ rcu_read_lock();
+ chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
+ use_11b = (chanctx_conf &&
+ chanctx_conf->def.chan->band == IEEE80211_BAND_2GHZ) &&
!(sdata->flags & IEEE80211_SDATA_OPERATING_GMODE);
+ rcu_read_unlock();
/*
* By default disable QoS in STA mode for old access points, which do
@@ -952,7 +979,7 @@ void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata,
const size_t supp_rates_len,
const u8 *supp_rates)
{
- struct ieee80211_local *local = sdata->local;
+ struct ieee80211_chanctx_conf *chanctx_conf;
int i, have_higher_than_11mbit = 0;
/* cf. IEEE 802.11 9.2.12 */
@@ -960,11 +987,16 @@ void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata,
if ((supp_rates[i] & 0x7f) * 5 > 110)
have_higher_than_11mbit = 1;
- if (local->oper_channel->band == IEEE80211_BAND_2GHZ &&
+ rcu_read_lock();
+ chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
+
+ if (chanctx_conf &&
+ chanctx_conf->def.chan->band == IEEE80211_BAND_2GHZ &&
have_higher_than_11mbit)
sdata->flags |= IEEE80211_SDATA_OPERATING_GMODE;
else
sdata->flags &= ~IEEE80211_SDATA_OPERATING_GMODE;
+ rcu_read_unlock();
ieee80211_set_wmm_default(sdata, true);
}
@@ -996,7 +1028,7 @@ u32 ieee80211_mandatory_rates(struct ieee80211_local *local,
}
void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
- u16 transaction, u16 auth_alg,
+ u16 transaction, u16 auth_alg, u16 status,
u8 *extra, size_t extra_len, const u8 *da,
const u8 *bssid, const u8 *key, u8 key_len, u8 key_idx)
{
@@ -1021,7 +1053,7 @@ void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
memcpy(mgmt->bssid, bssid, ETH_ALEN);
mgmt->u.auth.auth_alg = cpu_to_le16(auth_alg);
mgmt->u.auth.auth_transaction = cpu_to_le16(transaction);
- mgmt->u.auth.status_code = cpu_to_le16(0);
+ mgmt->u.auth.status_code = cpu_to_le16(status);
if (extra)
memcpy(skb_put(skb, extra_len), extra, extra_len);
@@ -1075,12 +1107,12 @@ void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata,
}
int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer,
- const u8 *ie, size_t ie_len,
+ size_t buffer_len, const u8 *ie, size_t ie_len,
enum ieee80211_band band, u32 rate_mask,
u8 channel)
{
struct ieee80211_supported_band *sband;
- u8 *pos;
+ u8 *pos = buffer, *end = buffer + buffer_len;
size_t offset = 0, noffset;
int supp_rates_len, i;
u8 rates[32];
@@ -1091,8 +1123,6 @@ int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer,
if (WARN_ON_ONCE(!sband))
return 0;
- pos = buffer;
-
num_rates = 0;
for (i = 0; i < sband->n_bitrates; i++) {
if ((BIT(i) & rate_mask) == 0)
@@ -1102,6 +1132,8 @@ int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer,
supp_rates_len = min_t(int, num_rates, 8);
+ if (end - pos < 2 + supp_rates_len)
+ goto out_err;
*pos++ = WLAN_EID_SUPP_RATES;
*pos++ = supp_rates_len;
memcpy(pos, rates, supp_rates_len);
@@ -1118,6 +1150,8 @@ int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer,
before_extrates,
ARRAY_SIZE(before_extrates),
offset);
+ if (end - pos < noffset - offset)
+ goto out_err;
memcpy(pos, ie + offset, noffset - offset);
pos += noffset - offset;
offset = noffset;
@@ -1125,6 +1159,8 @@ int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer,
ext_rates_len = num_rates - supp_rates_len;
if (ext_rates_len > 0) {
+ if (end - pos < 2 + ext_rates_len)
+ goto out_err;
*pos++ = WLAN_EID_EXT_SUPP_RATES;
*pos++ = ext_rates_len;
memcpy(pos, rates + supp_rates_len, ext_rates_len);
@@ -1132,6 +1168,8 @@ int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer,
}
if (channel && sband->band == IEEE80211_BAND_2GHZ) {
+ if (end - pos < 3)
+ goto out_err;
*pos++ = WLAN_EID_DS_PARAMS;
*pos++ = 1;
*pos++ = channel;
@@ -1150,14 +1188,19 @@ int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer,
noffset = ieee80211_ie_split(ie, ie_len,
before_ht, ARRAY_SIZE(before_ht),
offset);
+ if (end - pos < noffset - offset)
+ goto out_err;
memcpy(pos, ie + offset, noffset - offset);
pos += noffset - offset;
offset = noffset;
}
- if (sband->ht_cap.ht_supported)
+ if (sband->ht_cap.ht_supported) {
+ if (end - pos < 2 + sizeof(struct ieee80211_ht_cap))
+ goto out_err;
pos = ieee80211_ie_build_ht_cap(pos, &sband->ht_cap,
sband->ht_cap.cap);
+ }
/*
* If adding more here, adjust code in main.c
@@ -1167,15 +1210,23 @@ int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer,
/* add any remaining custom IEs */
if (ie && ie_len) {
noffset = ie_len;
+ if (end - pos < noffset - offset)
+ goto out_err;
memcpy(pos, ie + offset, noffset - offset);
pos += noffset - offset;
}
- if (sband->vht_cap.vht_supported)
+ if (sband->vht_cap.vht_supported) {
+ if (end - pos < 2 + sizeof(struct ieee80211_vht_cap))
+ goto out_err;
pos = ieee80211_ie_build_vht_cap(pos, &sband->vht_cap,
sband->vht_cap.cap);
+ }
return pos - buffer;
+ out_err:
+ WARN_ONCE(1, "not enough space for preq IEs\n");
+ return pos - buffer;
}
struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
@@ -1188,14 +1239,8 @@ struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
struct ieee80211_local *local = sdata->local;
struct sk_buff *skb;
struct ieee80211_mgmt *mgmt;
- size_t buf_len;
- u8 *buf;
u8 chan_no;
-
- /* FIXME: come up with a proper value */
- buf = kmalloc(200 + ie_len, GFP_KERNEL);
- if (!buf)
- return NULL;
+ int ies_len;
/*
* Do not send DS Channel parameter for directed probe requests
@@ -1207,14 +1252,16 @@ struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
else
chan_no = ieee80211_frequency_to_channel(chan->center_freq);
- buf_len = ieee80211_build_preq_ies(local, buf, ie, ie_len, chan->band,
- ratemask, chan_no);
-
skb = ieee80211_probereq_get(&local->hw, &sdata->vif,
- ssid, ssid_len,
- buf, buf_len);
+ ssid, ssid_len, 100 + ie_len);
if (!skb)
- goto out;
+ return NULL;
+
+ ies_len = ieee80211_build_preq_ies(local, skb_tail_pointer(skb),
+ skb_tailroom(skb),
+ ie, ie_len, chan->band,
+ ratemask, chan_no);
+ skb_put(skb, ies_len);
if (dst) {
mgmt = (struct ieee80211_mgmt *) skb->data;
@@ -1224,9 +1271,6 @@ struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
- out:
- kfree(buf);
-
return skb;
}
@@ -1234,7 +1278,7 @@ void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
const u8 *ssid, size_t ssid_len,
const u8 *ie, size_t ie_len,
u32 ratemask, bool directed, bool no_cck,
- struct ieee80211_channel *channel)
+ struct ieee80211_channel *channel, bool scan)
{
struct sk_buff *skb;
@@ -1245,7 +1289,10 @@ void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
if (no_cck)
IEEE80211_SKB_CB(skb)->flags |=
IEEE80211_TX_CTL_NO_CCK_RATE;
- ieee80211_tx_skb(sdata, skb);
+ if (scan)
+ ieee80211_tx_skb_tid_band(sdata, skb, 7, channel->band);
+ else
+ ieee80211_tx_skb(sdata, skb);
}
}
@@ -1308,6 +1355,7 @@ int ieee80211_reconfig(struct ieee80211_local *local)
{
struct ieee80211_hw *hw = &local->hw;
struct ieee80211_sub_if_data *sdata;
+ struct ieee80211_chanctx *ctx;
struct sta_info *sta;
int res, i;
@@ -1380,6 +1428,46 @@ int ieee80211_reconfig(struct ieee80211_local *local)
res = drv_add_interface(local, sdata);
}
+ /* add channel contexts */
+ if (local->use_chanctx) {
+ mutex_lock(&local->chanctx_mtx);
+ list_for_each_entry(ctx, &local->chanctx_list, list)
+ WARN_ON(drv_add_chanctx(local, ctx));
+ mutex_unlock(&local->chanctx_mtx);
+ }
+
+ list_for_each_entry(sdata, &local->interfaces, list) {
+ struct ieee80211_chanctx_conf *ctx_conf;
+
+ if (!ieee80211_sdata_running(sdata))
+ continue;
+
+ mutex_lock(&local->chanctx_mtx);
+ ctx_conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
+ lockdep_is_held(&local->chanctx_mtx));
+ if (ctx_conf) {
+ ctx = container_of(ctx_conf, struct ieee80211_chanctx,
+ conf);
+ drv_assign_vif_chanctx(local, sdata, ctx);
+ }
+ mutex_unlock(&local->chanctx_mtx);
+ }
+
+ sdata = rtnl_dereference(local->monitor_sdata);
+ if (sdata && local->use_chanctx && ieee80211_sdata_running(sdata)) {
+ struct ieee80211_chanctx_conf *ctx_conf;
+
+ mutex_lock(&local->chanctx_mtx);
+ ctx_conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
+ lockdep_is_held(&local->chanctx_mtx));
+ if (ctx_conf) {
+ ctx = container_of(ctx_conf, struct ieee80211_chanctx,
+ conf);
+ drv_assign_vif_chanctx(local, sdata, ctx);
+ }
+ mutex_unlock(&local->chanctx_mtx);
+ }
+
/* add STAs back */
mutex_lock(&local->sta_mtx);
list_for_each_entry(sta, &local->sta_list, list) {
@@ -1435,7 +1523,8 @@ int ieee80211_reconfig(struct ieee80211_local *local)
BSS_CHANGED_BSSID |
BSS_CHANGED_CQM |
BSS_CHANGED_QOS |
- BSS_CHANGED_IDLE;
+ BSS_CHANGED_IDLE |
+ BSS_CHANGED_TXPOWER;
switch (sdata->vif.type) {
case NL80211_IFTYPE_STATION:
@@ -1450,11 +1539,15 @@ int ieee80211_reconfig(struct ieee80211_local *local)
changed |= BSS_CHANGED_IBSS;
/* fall through */
case NL80211_IFTYPE_AP:
- changed |= BSS_CHANGED_SSID;
+ changed |= BSS_CHANGED_SSID | BSS_CHANGED_P2P_PS;
- if (sdata->vif.type == NL80211_IFTYPE_AP)
+ if (sdata->vif.type == NL80211_IFTYPE_AP) {
changed |= BSS_CHANGED_AP_PROBE_RESP;
+ if (rcu_access_pointer(sdata->u.ap.beacon))
+ drv_start_ap(local, sdata);
+ }
+
/* fall through */
case NL80211_IFTYPE_MESH_POINT:
changed |= BSS_CHANGED_BEACON |
@@ -1553,8 +1646,10 @@ int ieee80211_reconfig(struct ieee80211_local *local)
* If this is for hw restart things are still running.
* We may want to change that later, however.
*/
- if (!local->suspended)
+ if (!local->suspended) {
+ drv_restart_complete(local);
return 0;
+ }
#ifdef CONFIG_PM
/* first set suspended false, then resuming */
@@ -1617,68 +1712,24 @@ void ieee80211_resume_disconnect(struct ieee80211_vif *vif)
}
EXPORT_SYMBOL_GPL(ieee80211_resume_disconnect);
-static int check_mgd_smps(struct ieee80211_if_managed *ifmgd,
- enum ieee80211_smps_mode *smps_mode)
-{
- if (ifmgd->associated) {
- *smps_mode = ifmgd->ap_smps;
-
- if (*smps_mode == IEEE80211_SMPS_AUTOMATIC) {
- if (ifmgd->powersave)
- *smps_mode = IEEE80211_SMPS_DYNAMIC;
- else
- *smps_mode = IEEE80211_SMPS_OFF;
- }
-
- return 1;
- }
-
- return 0;
-}
-
-void ieee80211_recalc_smps(struct ieee80211_local *local)
+void ieee80211_recalc_smps(struct ieee80211_sub_if_data *sdata)
{
- struct ieee80211_sub_if_data *sdata;
- enum ieee80211_smps_mode smps_mode = IEEE80211_SMPS_OFF;
- int count = 0;
-
- mutex_lock(&local->iflist_mtx);
-
- /*
- * This function could be improved to handle multiple
- * interfaces better, but right now it makes any
- * non-station interfaces force SM PS to be turned
- * off. If there are multiple station interfaces it
- * could also use the best possible mode, e.g. if
- * one is in static and the other in dynamic then
- * dynamic is ok.
- */
-
- list_for_each_entry(sdata, &local->interfaces, list) {
- if (!ieee80211_sdata_running(sdata))
- continue;
- if (sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE)
- continue;
- if (sdata->vif.type != NL80211_IFTYPE_STATION)
- goto set;
+ struct ieee80211_local *local = sdata->local;
+ struct ieee80211_chanctx_conf *chanctx_conf;
+ struct ieee80211_chanctx *chanctx;
- count += check_mgd_smps(&sdata->u.mgd, &smps_mode);
+ mutex_lock(&local->chanctx_mtx);
- if (count > 1) {
- smps_mode = IEEE80211_SMPS_OFF;
- break;
- }
- }
+ chanctx_conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
+ lockdep_is_held(&local->chanctx_mtx));
- if (smps_mode == local->smps_mode)
+ if (WARN_ON_ONCE(!chanctx_conf))
goto unlock;
- set:
- local->smps_mode = smps_mode;
- /* changed flag is auto-detected for this */
- ieee80211_hw_config(local, 0);
+ chanctx = container_of(chanctx_conf, struct ieee80211_chanctx, conf);
+ ieee80211_recalc_smps_chanctx(local, chanctx);
unlock:
- mutex_unlock(&local->iflist_mtx);
+ mutex_unlock(&local->chanctx_mtx);
}
static bool ieee80211_id_in_list(const u8 *ids, int n_ids, u8 id)
@@ -1818,8 +1869,8 @@ u8 *ieee80211_ie_build_vht_cap(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap,
__le32 tmp;
*pos++ = WLAN_EID_VHT_CAPABILITY;
- *pos++ = sizeof(struct ieee80211_vht_capabilities);
- memset(pos, 0, sizeof(struct ieee80211_vht_capabilities));
+ *pos++ = sizeof(struct ieee80211_vht_cap);
+ memset(pos, 0, sizeof(struct ieee80211_vht_cap));
/* capability flags */
tmp = cpu_to_le32(cap);
@@ -1834,8 +1885,7 @@ u8 *ieee80211_ie_build_vht_cap(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap,
}
u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap,
- struct ieee80211_channel *channel,
- enum nl80211_channel_type channel_type,
+ const struct cfg80211_chan_def *chandef,
u16 prot_mode)
{
struct ieee80211_ht_operation *ht_oper;
@@ -1843,23 +1893,25 @@ u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap,
*pos++ = WLAN_EID_HT_OPERATION;
*pos++ = sizeof(struct ieee80211_ht_operation);
ht_oper = (struct ieee80211_ht_operation *)pos;
- ht_oper->primary_chan =
- ieee80211_frequency_to_channel(channel->center_freq);
- switch (channel_type) {
- case NL80211_CHAN_HT40MINUS:
- ht_oper->ht_param = IEEE80211_HT_PARAM_CHA_SEC_BELOW;
- break;
- case NL80211_CHAN_HT40PLUS:
- ht_oper->ht_param = IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
+ ht_oper->primary_chan = ieee80211_frequency_to_channel(
+ chandef->chan->center_freq);
+ switch (chandef->width) {
+ case NL80211_CHAN_WIDTH_160:
+ case NL80211_CHAN_WIDTH_80P80:
+ case NL80211_CHAN_WIDTH_80:
+ case NL80211_CHAN_WIDTH_40:
+ if (chandef->center_freq1 > chandef->chan->center_freq)
+ ht_oper->ht_param = IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
+ else
+ ht_oper->ht_param = IEEE80211_HT_PARAM_CHA_SEC_BELOW;
break;
- case NL80211_CHAN_HT20:
default:
ht_oper->ht_param = IEEE80211_HT_PARAM_CHA_SEC_NONE;
break;
}
if (ht_cap->cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40 &&
- channel_type != NL80211_CHAN_NO_HT &&
- channel_type != NL80211_CHAN_HT20)
+ chandef->width != NL80211_CHAN_WIDTH_20_NOHT &&
+ chandef->width != NL80211_CHAN_WIDTH_20)
ht_oper->ht_param |= IEEE80211_HT_PARAM_CHAN_WIDTH_ANY;
ht_oper->operation_mode = cpu_to_le16(prot_mode);
@@ -1873,13 +1925,17 @@ u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap,
return pos + sizeof(struct ieee80211_ht_operation);
}
-enum nl80211_channel_type
-ieee80211_ht_oper_to_channel_type(struct ieee80211_ht_operation *ht_oper)
+void ieee80211_ht_oper_to_chandef(struct ieee80211_channel *control_chan,
+ struct ieee80211_ht_operation *ht_oper,
+ struct cfg80211_chan_def *chandef)
{
enum nl80211_channel_type channel_type;
- if (!ht_oper)
- return NL80211_CHAN_NO_HT;
+ if (!ht_oper) {
+ cfg80211_chandef_create(chandef, control_chan,
+ NL80211_CHAN_NO_HT);
+ return;
+ }
switch (ht_oper->ht_param & IEEE80211_HT_PARAM_CHA_SEC_OFFSET) {
case IEEE80211_HT_PARAM_CHA_SEC_NONE:
@@ -1895,7 +1951,7 @@ ieee80211_ht_oper_to_channel_type(struct ieee80211_ht_operation *ht_oper)
channel_type = NL80211_CHAN_NO_HT;
}
- return channel_type;
+ cfg80211_chandef_create(chandef, control_chan, channel_type);
}
int ieee80211_add_srates_ie(struct ieee80211_sub_if_data *sdata,
@@ -1977,3 +2033,84 @@ int ieee80211_ave_rssi(struct ieee80211_vif *vif)
return ifmgd->ave_beacon_signal;
}
EXPORT_SYMBOL_GPL(ieee80211_ave_rssi);
+
+u8 ieee80211_mcs_to_chains(const struct ieee80211_mcs_info *mcs)
+{
+ if (!mcs)
+ return 1;
+
+ /* TODO: consider rx_highest */
+
+ if (mcs->rx_mask[3])
+ return 4;
+ if (mcs->rx_mask[2])
+ return 3;
+ if (mcs->rx_mask[1])
+ return 2;
+ return 1;
+}
+
+/**
+ * ieee80211_calculate_rx_timestamp - calculate timestamp in frame
+ * @local: mac80211 hw info struct
+ * @status: RX status
+ * @mpdu_len: total MPDU length (including FCS)
+ * @mpdu_offset: offset into MPDU to calculate timestamp at
+ *
+ * This function calculates the RX timestamp at the given MPDU offset, taking
+ * into account what the RX timestamp was. An offset of 0 will just normalize
+ * the timestamp to TSF at beginning of MPDU reception.
+ */
+u64 ieee80211_calculate_rx_timestamp(struct ieee80211_local *local,
+ struct ieee80211_rx_status *status,
+ unsigned int mpdu_len,
+ unsigned int mpdu_offset)
+{
+ u64 ts = status->mactime;
+ struct rate_info ri;
+ u16 rate;
+
+ if (WARN_ON(!ieee80211_have_rx_timestamp(status)))
+ return 0;
+
+ memset(&ri, 0, sizeof(ri));
+
+ /* Fill cfg80211 rate info */
+ if (status->flag & RX_FLAG_HT) {
+ 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;
+ if (status->flag & RX_FLAG_SHORT_GI)
+ ri.flags |= RATE_INFO_FLAGS_SHORT_GI;
+ } else if (status->flag & RX_FLAG_VHT) {
+ ri.flags |= RATE_INFO_FLAGS_VHT_MCS;
+ 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->flag & RX_FLAG_80MHZ)
+ ri.flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
+ if (status->flag & RX_FLAG_80P80MHZ)
+ ri.flags |= RATE_INFO_FLAGS_80P80_MHZ_WIDTH;
+ if (status->flag & RX_FLAG_160MHZ)
+ ri.flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
+ if (status->flag & RX_FLAG_SHORT_GI)
+ ri.flags |= RATE_INFO_FLAGS_SHORT_GI;
+ } else {
+ struct ieee80211_supported_band *sband;
+
+ sband = local->hw.wiphy->bands[status->band];
+ ri.legacy = sband->bitrates[status->rate_idx].bitrate;
+ }
+
+ rate = cfg80211_calculate_bitrate(&ri);
+
+ /* rewind from end of MPDU */
+ if (status->flag & RX_FLAG_MACTIME_END)
+ ts -= mpdu_len * 8 * 10 / rate;
+
+ ts += mpdu_offset * 8 * 10 / rate;
+
+ return ts;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-16 11:07:53 +0000