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mac80211: uapsd_queues is in QoS IE order

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The uapsd_queue field is in QoS IE order and not in
IEEE80211_AC_*'s order.
This means that mac80211 would get confused between
BK and BE which is certainly not such a big deal but
needs to be fixed.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Emmanuel Grumbach 2016-10-18 23:12:12 +03:00 committed by Johannes Berg
parent f3fe4e93dd
commit f438ceb81d
7 changed files with 24 additions and 9 deletions
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3
include/net/cfg80211.h
View File

@ -4574,7 +4574,8 @@ void cfg80211_auth_timeout(struct net_device *dev, const u8 *addr);
* moves to cfg80211 in this call
* @buf: authentication frame (header + body)
* @len: length of the frame data
* @uapsd_queues: bitmap of ACs configured to uapsd. -1 if n/a.
* @uapsd_queues: bitmap of queues configured for uapsd. Same format
* as the AC bitmap in the QoS info field
*
* After being asked to associate via cfg80211_ops::assoc() the driver must
* call either this function or cfg80211_auth_timeout().

3
include/net/mac80211.h
View File

@ -1745,7 +1745,8 @@ struct ieee80211_sta_rates {
* @drv_priv: data area for driver use, will always be aligned to
* sizeof(void *), size is determined in hw information.
* @uapsd_queues: bitmap of queues configured for uapsd. Only valid
* if wme is supported.
* if wme is supported. The bits order is like in
* IEEE80211_WMM_IE_STA_QOSINFO_AC_*.
* @max_sp: max Service Period. Only valid if wme is supported.
* @bandwidth: current bandwidth the station can receive with
* @rx_nss: in HT/VHT, the maximum number of spatial streams the

2
net/mac80211/ieee80211_i.h
View File

@ -84,6 +84,8 @@ struct ieee80211_local;
#define IEEE80211_DEFAULT_MAX_SP_LEN \
IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL
extern const u8 ieee80211_ac_to_qos_mask[IEEE80211_NUM_ACS];
#define IEEE80211_DEAUTH_FRAME_LEN (24 /* hdr */ + 2 /* reason */)
#define IEEE80211_MAX_NAN_INSTANCE_ID 255

2
net/mac80211/mlme.c
View File

@ -3193,7 +3193,7 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
uapsd_queues = 0;
for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
if (sdata->tx_conf[ac].uapsd)
uapsd_queues |= BIT(ac);
uapsd_queues |= ieee80211_ac_to_qos_mask[ac];
}
cfg80211_rx_assoc_resp(sdata->dev, bss, (u8 *)mgmt, len, uapsd_queues);

3
net/mac80211/rx.c
View File

@ -1401,7 +1401,8 @@ void ieee80211_sta_uapsd_trigger(struct ieee80211_sta *pubsta, u8 tid)
* enabled queues, but for now we only implement uAPSD w/o
* TSPEC changes to the ACs, so they're always the same.
*/
if (!(sta->sta.uapsd_queues & BIT(ac)) && tid != IEEE80211_NUM_TIDS)
if (!(sta->sta.uapsd_queues & ieee80211_ac_to_qos_mask[ac]) &&
tid != IEEE80211_NUM_TIDS)
return;
/* if we are in a service period, do nothing */

13
net/mac80211/sta_info.c
View File

@ -709,7 +709,7 @@ static void __sta_info_recalc_tim(struct sta_info *sta, bool ignore_pending)
for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
unsigned long tids;
if (ignore_for_tim & BIT(ac))
if (ignore_for_tim & ieee80211_ac_to_qos_mask[ac])
continue;
indicate_tim |= !skb_queue_empty(&sta->tx_filtered[ac]) ||
@ -1389,7 +1389,7 @@ ieee80211_sta_ps_more_data(struct sta_info *sta, u8 ignored_acs,
return true;
for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
if (ignored_acs & BIT(ac))
if (ignored_acs & ieee80211_ac_to_qos_mask[ac])
continue;
if (!skb_queue_empty(&sta->tx_filtered[ac]) ||
@ -1414,7 +1414,7 @@ ieee80211_sta_ps_get_frames(struct sta_info *sta, int n_frames, u8 ignored_acs,
for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
unsigned long tids;
if (ignored_acs & BIT(ac))
if (ignored_acs & ieee80211_ac_to_qos_mask[ac])
continue;
tids = ieee80211_tids_for_ac(ac);
@ -1482,7 +1482,7 @@ ieee80211_sta_ps_deliver_response(struct sta_info *sta,
BIT(find_highest_prio_tid(driver_release_tids));
if (skb_queue_empty(&frames) && !driver_release_tids) {
int tid;
int tid, ac;
/*
* For PS-Poll, this can only happen due to a race condition
@ -1500,7 +1500,10 @@ ieee80211_sta_ps_deliver_response(struct sta_info *sta,
*/
/* This will evaluate to 1, 3, 5 or 7. */
tid = 7 - ((ffs(~ignored_acs) - 1) << 1);
for (ac = IEEE80211_AC_VO; ac < IEEE80211_NUM_ACS; ac++)
if (ignored_acs & BIT(ac))
continue;
tid = 7 - 2 * ac;
ieee80211_send_null_response(sta, tid, reason, true, false);
} else if (!driver_release_tids) {

7
net/mac80211/util.c
View File

@ -3452,3 +3452,10 @@ void ieee80211_txq_get_depth(struct ieee80211_txq *txq,
*byte_cnt = txqi->tin.backlog_bytes + frag_bytes;
}
EXPORT_SYMBOL(ieee80211_txq_get_depth);
const u8 ieee80211_ac_to_qos_mask[IEEE80211_NUM_ACS] = {
IEEE80211_WMM_IE_STA_QOSINFO_AC_VO,
IEEE80211_WMM_IE_STA_QOSINFO_AC_VI,
IEEE80211_WMM_IE_STA_QOSINFO_AC_BE,
IEEE80211_WMM_IE_STA_QOSINFO_AC_BK
};