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authorArik Nemtsov <arik@wizery.com>2014-07-17 17:14:23 +0300
committerJohannes Berg <johannes.berg@intel.com>2014-07-21 12:14:04 +0200
commit40b861a0eeb06bbfa472b456482ebf89b6886926 (patch)
treeba907a8dd7e5f7ac8f16e4308c16afca577fc641 /net/mac80211
parentdd8c0b03d35be7effe20c9e5fda7e231e2c88e19 (diff)
mac80211: add QoS IE during TDLS setup start
If QoS is supported by the card, add an appropriate IE to TDLS setup- request and setup-response frames. Consolidate the setting of the WMM info IE across mac80211. Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com> Reviewed-by: Liad Kaufman <liad.kaufman@intel.com> Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211')
-rw-r--r--net/mac80211/ibss.c13
-rw-r--r--net/mac80211/ieee80211_i.h1
-rw-r--r--net/mac80211/mlme.c11
-rw-r--r--net/mac80211/tdls.c7
-rw-r--r--net/mac80211/util.c15
5 files changed, 26 insertions, 21 deletions
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index 713485f9effc..9713dc54ea4b 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -189,17 +189,8 @@ ieee80211_ibss_build_presp(struct ieee80211_sub_if_data *sdata,
chandef, 0);
}
- if (local->hw.queues >= IEEE80211_NUM_ACS) {
- *pos++ = WLAN_EID_VENDOR_SPECIFIC;
- *pos++ = 7; /* len */
- *pos++ = 0x00; /* Microsoft OUI 00:50:F2 */
- *pos++ = 0x50;
- *pos++ = 0xf2;
- *pos++ = 2; /* WME */
- *pos++ = 0; /* WME info */
- *pos++ = 1; /* WME ver */
- *pos++ = 0; /* U-APSD no in use */
- }
+ if (local->hw.queues >= IEEE80211_NUM_ACS)
+ pos = ieee80211_add_wmm_info_ie(pos, 0); /* U-APSD not in use */
presp->head_len = pos - presp->head;
if (WARN_ON(presp->head_len > frame_len))
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 9e025e1184cc..cb874760e99f 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1824,6 +1824,7 @@ int ieee80211_add_srates_ie(struct ieee80211_sub_if_data *sdata,
int ieee80211_add_ext_srates_ie(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb, bool need_basic,
enum ieee80211_band band);
+u8 *ieee80211_add_wmm_info_ie(u8 *buf, u8 qosinfo);
/* channel management */
void ieee80211_ht_oper_to_chandef(struct ieee80211_channel *control_chan,
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 931330bbe00c..d863ff8b6e41 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -830,16 +830,7 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata)
qos_info = 0;
}
- pos = skb_put(skb, 9);
- *pos++ = WLAN_EID_VENDOR_SPECIFIC;
- *pos++ = 7; /* len */
- *pos++ = 0x00; /* Microsoft OUI 00:50:F2 */
- *pos++ = 0x50;
- *pos++ = 0xf2;
- *pos++ = 2; /* WME */
- *pos++ = 0; /* WME info */
- *pos++ = 1; /* WME ver */
- *pos++ = qos_info;
+ pos = ieee80211_add_wmm_info_ie(skb_put(skb, 9), qos_info);
}
/* add any remaining custom (i.e. vendor specific here) IEs */
diff --git a/net/mac80211/tdls.c b/net/mac80211/tdls.c
index 398a41302972..bfd8fc4a6b2f 100644
--- a/net/mac80211/tdls.c
+++ b/net/mac80211/tdls.c
@@ -100,6 +100,7 @@ ieee80211_tdls_add_setup_start_ies(struct ieee80211_sub_if_data *sdata,
const u8 *extra_ies, size_t extra_ies_len)
{
enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
+ struct ieee80211_local *local = sdata->local;
size_t offset = 0, noffset;
u8 *pos;
@@ -126,6 +127,11 @@ ieee80211_tdls_add_setup_start_ies(struct ieee80211_sub_if_data *sdata,
ieee80211_tdls_add_ext_capab(skb);
+ /* add the QoS element if we support it */
+ if (local->hw.queues >= IEEE80211_NUM_ACS &&
+ action_code != WLAN_PUB_ACTION_TDLS_DISCOVER_RES)
+ ieee80211_add_wmm_info_ie(skb_put(skb, 9), 0); /* no U-APSD */
+
/* add any custom IEs that go before HT capabilities */
if (extra_ies_len) {
static const u8 before_ht_cap[] = {
@@ -310,6 +316,7 @@ ieee80211_tdls_prep_mgmt_packet(struct wiphy *wiphy, struct net_device *dev,
sizeof(struct ieee80211_tdls_data)) +
50 + /* supported rates */
7 + /* ext capab */
+ 26 + /* max(WMM-info, WMM-param) */
extra_ies_len +
sizeof(struct ieee80211_tdls_lnkie));
if (!skb)
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index ea79668c2e5f..08ce77664082 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -3082,3 +3082,18 @@ int ieee80211_max_num_channels(struct ieee80211_local *local)
return max_num_different_channels;
}
+
+u8 *ieee80211_add_wmm_info_ie(u8 *buf, u8 qosinfo)
+{
+ *buf++ = WLAN_EID_VENDOR_SPECIFIC;
+ *buf++ = 7; /* len */
+ *buf++ = 0x00; /* Microsoft OUI 00:50:F2 */
+ *buf++ = 0x50;
+ *buf++ = 0xf2;
+ *buf++ = 2; /* WME */
+ *buf++ = 0; /* WME info */
+ *buf++ = 1; /* WME ver */
+ *buf++ = qosinfo; /* U-APSD no in use */
+
+ return buf;
+}