This patch adds WMM support for TDLS link. Patch
add WMM info IE for TDLS setup request/response frames
while WMM parameter for TDLS confirm frame.
Signed-off-by: Avinash Patil <patila@xxxxxxxxxxx>
Signed-off-by: Cathy Luo <cluo@xxxxxxxxxxx>
---
drivers/net/wireless/mwifiex/tdls.c | 55 +++++++++++++++++++++++++++++++++++++
1 file changed, 55 insertions(+)
diff --git a/drivers/net/wireless/mwifiex/tdls.c b/drivers/net/wireless/mwifiex/tdls.c
index e294907..93a492f 100644
--- a/drivers/net/wireless/mwifiex/tdls.c
+++ b/drivers/net/wireless/mwifiex/tdls.c
@@ -24,6 +24,7 @@
#define TDLS_REQ_FIX_LEN 6
#define TDLS_RESP_FIX_LEN 8
#define TDLS_CONFIRM_FIX_LEN 6
+#define MWIFIEX_TDLS_WMM_INFO_SIZE 7
static void mwifiex_restore_tdls_packets(struct mwifiex_private *priv,
const u8 *mac, u8 status)
@@ -367,6 +368,55 @@ static void mwifiex_tdls_add_qos_capab(struct sk_buff *skb)
*pos++ = MWIFIEX_TDLS_DEF_QOS_CAPAB;
}
+static void
+mwifiex_tdls_add_wmm_param_ie(struct mwifiex_private *priv, struct sk_buff *skb)
+{
+ struct ieee80211_wmm_param_ie *wmm;
+ u8 ac_vi[] = {0x42, 0x43, 0x5e, 0x00};
+ u8 ac_vo[] = {0x62, 0x32, 0x2f, 0x00};
+ u8 ac_be[] = {0x03, 0xa4, 0x00, 0x00};
+ u8 ac_bk[] = {0x27, 0xa4, 0x00, 0x00};
+
+ wmm = (void *)skb_put(skb, sizeof(*wmm));
+ memset(wmm, 0, sizeof(*wmm));
+
+ wmm->element_id = WLAN_EID_VENDOR_SPECIFIC;
+ wmm->len = sizeof(*wmm) - 2;
+ wmm->oui[0] = 0x00; /* Microsoft OUI 00:50:F2 */
+ wmm->oui[1] = 0x50;
+ wmm->oui[2] = 0xf2;
+ wmm->oui_type = 2; /* WME */
+ wmm->oui_subtype = 1; /* WME param */
+ wmm->version = 1; /* WME ver */
+ wmm->qos_info = 0; /* U-APSD not in use */
+
+ /* use default WMM AC parameters for TDLS link*/
+ memcpy(&wmm->ac[0], ac_be, sizeof(ac_be));
+ memcpy(&wmm->ac[1], ac_bk, sizeof(ac_bk));
+ memcpy(&wmm->ac[2], ac_vi, sizeof(ac_vi));
+ memcpy(&wmm->ac[3], ac_vo, sizeof(ac_vo));
+}
+
+static void
+mwifiex_add_wmm_info_ie(struct mwifiex_private *priv, struct sk_buff *skb,
+ u8 qosinfo)
+{
+ u8 *buf;
+
+ buf = (void *)skb_put(skb, MWIFIEX_TDLS_WMM_INFO_SIZE +
+ sizeof(struct ieee_types_header));
+
+ *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 */
+}
+
static int mwifiex_prep_tdls_encap_data(struct mwifiex_private *priv,
const u8 *peer, u8 action_code,
u8 dialog_token,
@@ -421,6 +471,7 @@ static int mwifiex_prep_tdls_encap_data(struct mwifiex_private *priv,
mwifiex_tdls_add_ext_capab(priv, skb);
mwifiex_tdls_add_qos_capab(skb);
+ mwifiex_add_wmm_info_ie(priv, skb, 0);
break;
case WLAN_TDLS_SETUP_RESPONSE:
@@ -458,6 +509,7 @@ static int mwifiex_prep_tdls_encap_data(struct mwifiex_private *priv,
mwifiex_tdls_add_ext_capab(priv, skb);
mwifiex_tdls_add_qos_capab(skb);
+ mwifiex_add_wmm_info_ie(priv, skb, 0);
break;
case WLAN_TDLS_SETUP_CONFIRM:
@@ -466,6 +518,8 @@ static int mwifiex_prep_tdls_encap_data(struct mwifiex_private *priv,
skb_put(skb, sizeof(tf->u.setup_cfm));
tf->u.setup_cfm.status_code = cpu_to_le16(status_code);
tf->u.setup_cfm.dialog_token = dialog_token;
+
+ mwifiex_tdls_add_wmm_param_ie(priv, skb);
if (priv->adapter->is_hw_11ac_capable) {
ret = mwifiex_tdls_add_vht_oper(priv, peer, skb);
if (ret) {
@@ -544,6 +598,7 @@ int mwifiex_send_tdls_data_frame(struct mwifiex_private *priv, const u8 *peer,
sizeof(struct ieee_types_bss_co_2040) +
sizeof(struct ieee80211_ht_operation) +
sizeof(struct ieee80211_tdls_lnkie) +
+ sizeof(struct ieee80211_wmm_param_ie) +
extra_ies_len;
if (priv->adapter->is_hw_11ac_capable)
--
1.8.1.4
--
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
