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mac80211: don't duplicate station QoS capability data 

We currently track the QoS capability twice: for all peer stations
in the WLAN_STA_WME flag, and for any clients associated to an AP
interface separately for drivers in the sta->sta.wme field.

Remove the WLAN_STA_WME flag and track the capability only in the
driver-visible field, getting rid of the limitation that the field
is only valid in AP mode.

Reviewed-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2014-07-22 14:50:47 +02:00
parent c9d26423e5
commit a74a8c846f
11 changed files with 17 additions and 29 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
include/net/mac80211.h
View File

@ -1405,7 +1405,7 @@ struct ieee80211_sta_rates {
* @supp_rates: Bitmap of supported rates (per band)
* @ht_cap: HT capabilities of this STA; restricted to our own capabilities
* @vht_cap: VHT capabilities of this STA; restricted to our own capabilities
* @wme: indicates whether the STA supports WME. Only valid during AP-mode.
* @wme: indicates whether the STA supports QoS/WME.
* @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

13
net/mac80211/cfg.c
View File

@ -1011,15 +1011,8 @@ static int sta_apply_parameters(struct ieee80211_local *local,
clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
}
if (mask & BIT(NL80211_STA_FLAG_WME)) {
if (set & BIT(NL80211_STA_FLAG_WME)) {
set_sta_flag(sta, WLAN_STA_WME);
sta->sta.wme = true;
} else {
clear_sta_flag(sta, WLAN_STA_WME);
sta->sta.wme = false;
}
}
if (mask & BIT(NL80211_STA_FLAG_WME))
sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);
if (mask & BIT(NL80211_STA_FLAG_MFP)) {
if (set & BIT(NL80211_STA_FLAG_MFP))
@ -3352,7 +3345,7 @@ static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
band = chanctx_conf->def.chan->band;
sta = sta_info_get_bss(sdata, peer);
if (sta) {
qos = test_sta_flag(sta, WLAN_STA_WME);
qos = sta->sta.wme;
} else {
rcu_read_unlock();
return -ENOLINK;

3
net/mac80211/debugfs_sta.c
View File

@ -77,7 +77,8 @@ static ssize_t sta_flags_read(struct file *file, char __user *userbuf,
TEST(AUTH), TEST(ASSOC), TEST(PS_STA),
TEST(PS_DRIVER), TEST(AUTHORIZED),
TEST(SHORT_PREAMBLE),
TEST(WME), TEST(WDS), TEST(CLEAR_PS_FILT),
sta->sta.wme ? "WME\n" : "",
TEST(WDS), TEST(CLEAR_PS_FILT),
TEST(MFP), TEST(BLOCK_BA), TEST(PSPOLL),
TEST(UAPSD), TEST(SP), TEST(TDLS_PEER),
TEST(TDLS_PEER_AUTH), TEST(4ADDR_EVENT),

2
net/mac80211/ibss.c
View File

@ -1038,7 +1038,7 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
}
if (sta && elems->wmm_info)
set_sta_flag(sta, WLAN_STA_WME);
sta->sta.wme = true;
if (sta && elems->ht_operation && elems->ht_cap_elem &&
sdata->u.ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT &&

4
net/mac80211/mesh_plink.c
View File

@ -431,14 +431,12 @@ __mesh_sta_info_alloc(struct ieee80211_sub_if_data *sdata, u8 *hw_addr)
return NULL;
sta->plink_state = NL80211_PLINK_LISTEN;
sta->sta.wme = true;
sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
sta_info_pre_move_state(sta, IEEE80211_STA_AUTHORIZED);
set_sta_flag(sta, WLAN_STA_WME);
sta->sta.wme = true;
return sta;
}

3
net/mac80211/mlme.c
View File

@ -2677,8 +2677,7 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,
if (ifmgd->flags & IEEE80211_STA_MFP_ENABLED)
set_sta_flag(sta, WLAN_STA_MFP);
if (elems.wmm_param)
set_sta_flag(sta, WLAN_STA_WME);
sta->sta.wme = elems.wmm_param;
err = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
if (!err && !(ifmgd->flags & IEEE80211_STA_CONTROL_PORT))

4
net/mac80211/sta_info.c
View File

@ -1179,7 +1179,7 @@ static void ieee80211_send_null_response(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb;
int size = sizeof(*nullfunc);
__le16 fc;
bool qos = test_sta_flag(sta, WLAN_STA_WME);
bool qos = sta->sta.wme;
struct ieee80211_tx_info *info;
struct ieee80211_chanctx_conf *chanctx_conf;
@ -1834,7 +1834,7 @@ void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHORIZED);
if (test_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE))
sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
if (test_sta_flag(sta, WLAN_STA_WME))
if (sta->sta.wme)
sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_WME);
if (test_sta_flag(sta, WLAN_STA_MFP))
sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_MFP);

2
net/mac80211/sta_info.h
View File

@ -31,7 +31,6 @@
* when virtual port control is not in use.
* @WLAN_STA_SHORT_PREAMBLE: Station is capable of receiving short-preamble
* frames.
* @WLAN_STA_WME: Station is a QoS-STA.
* @WLAN_STA_WDS: Station is one of our WDS peers.
* @WLAN_STA_CLEAR_PS_FILT: Clear PS filter in hardware (using the
* IEEE80211_TX_CTL_CLEAR_PS_FILT control flag) when the next
@ -69,7 +68,6 @@ enum ieee80211_sta_info_flags {
WLAN_STA_PS_STA,
WLAN_STA_AUTHORIZED,
WLAN_STA_SHORT_PREAMBLE,
WLAN_STA_WME,
WLAN_STA_WDS,
WLAN_STA_CLEAR_PS_FILT,
WLAN_STA_MFP,

3
net/mac80211/tdls.c
View File

@ -316,8 +316,7 @@ ieee80211_tdls_add_setup_cfm_ies(struct ieee80211_sub_if_data *sdata,
}
/* add the QoS param IE if both the peer and we support it */
if (local->hw.queues >= IEEE80211_NUM_ACS &&
test_sta_flag(sta, WLAN_STA_WME))
if (local->hw.queues >= IEEE80211_NUM_ACS && sta->sta.wme)
ieee80211_tdls_add_wmm_param_ie(sdata, skb);
/* add any custom IEs that go before HT operation */

6
net/mac80211/tx.c
View File

@ -1844,7 +1844,7 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
memcpy(hdr.addr4, skb->data + ETH_ALEN, ETH_ALEN);
hdrlen = 30;
authorized = test_sta_flag(sta, WLAN_STA_AUTHORIZED);
wme_sta = test_sta_flag(sta, WLAN_STA_WME);
wme_sta = sta->sta.wme;
}
ap_sdata = container_of(sdata->bss, struct ieee80211_sub_if_data,
u.ap);
@ -1957,7 +1957,7 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
if (sta) {
authorized = test_sta_flag(sta,
WLAN_STA_AUTHORIZED);
wme_sta = test_sta_flag(sta, WLAN_STA_WME);
wme_sta = sta->sta.wme;
tdls_peer = test_sta_flag(sta,
WLAN_STA_TDLS_PEER);
tdls_auth = test_sta_flag(sta,
@ -2035,7 +2035,7 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
sta = sta_info_get(sdata, hdr.addr1);
if (sta) {
authorized = test_sta_flag(sta, WLAN_STA_AUTHORIZED);
wme_sta = test_sta_flag(sta, WLAN_STA_WME);
wme_sta = sta->sta.wme;
}
}

4
net/mac80211/wme.c
View File

@ -118,7 +118,7 @@ u16 ieee80211_select_queue(struct ieee80211_sub_if_data *sdata,
case NL80211_IFTYPE_AP_VLAN:
sta = rcu_dereference(sdata->u.vlan.sta);
if (sta) {
qos = test_sta_flag(sta, WLAN_STA_WME);
qos = sta->sta.wme;
break;
}
case NL80211_IFTYPE_AP:
@ -145,7 +145,7 @@ u16 ieee80211_select_queue(struct ieee80211_sub_if_data *sdata,
if (!sta && ra && !is_multicast_ether_addr(ra)) {
sta = sta_info_get(sdata, ra);
if (sta)
qos = test_sta_flag(sta, WLAN_STA_WME);
qos = sta->sta.wme;
}
rcu_read_unlock();