qcacld-3.0: Add vendor cmd attribute to upgrade UDP QoS

Add the vendor command attribute to upgrade the QoS
for all UDP packets having priority less than the
current setting.

Change-Id: I1269018396e163c1a2b02a7ab1cfb3fabfd0af94
CRs-Fixed: 2724041

core/hdd/inc/wlan_hdd_tx_rx.h

@@ -438,6 +438,17 @@ void hdd_event_eapol_log(struct sk_buff *skb, enum qdf_proto_dir dir)
 {}
 #endif
 
+/**
+ * hdd_set_udp_qos_upgrade_config() - Set the threshold for UDP packet
+ *				      QoS upgrade.
+ * @adapter: adapter for which this configuration is to be applied
+ * @priority: the threshold priority
+ *
+ * Returns: 0 on success, -EINVAL on failure
+ */
+int hdd_set_udp_qos_upgrade_config(struct hdd_adapter *adapter,
+				   uint8_t priority);
+
 /*
  * As of the 4.7 kernel, net_device->trans_start is removed. Create shims to
  * support compiling against older versions of the kernel.

core/hdd/src/wlan_hdd_cfg80211.c

@@ -49,6 +49,7 @@
 #include "wlan_hdd_main.h"
 #include "wlan_hdd_power.h"
 #include "wlan_hdd_trace.h"
+#include "wlan_hdd_tx_rx.h"
 #include "qdf_str.h"
 #include "qdf_trace.h"
 #include "qdf_types.h"
@@ -6723,6 +6724,8 @@ const struct nla_policy wlan_hdd_wifi_config_policy[
 	[QCA_WLAN_VENDOR_ATTR_CONFIG_CHANNEL_WIDTH] = {.type = NLA_U8 },
 	[QCA_WLAN_VENDOR_ATTR_CONFIG_DYNAMIC_BW] = {.type = NLA_U8 },
 	[QCA_WLAN_VENDOR_ATTR_CONFIG_NSS] = {.type = NLA_U8 },
+	[QCA_WLAN_VENDOR_ATTR_CONFIG_UDP_QOS_UPGRADE] = {
+		.type = NLA_U8 },
 
 };
 
@@ -7639,6 +7642,22 @@ static int hdd_config_scan_enable(struct hdd_adapter *adapter,
 	return 0;
 }
 
+/**
+ * hdd_config_udp_qos_upgrade_threshold() - NL attribute handler to parse
+ *					    priority upgrade threshold value.
+ * @adapter: adapter for which this configuration is to be applied
+ * @attr: NL attribute
+ *
+ * Returns: 0 on success, -EINVAL on failure
+ */
+static int hdd_config_udp_qos_upgrade_threshold(struct hdd_adapter *adapter,
+						const struct nlattr *attr)
+{
+	uint8_t priority = nla_get_u8(attr);
+
+	return hdd_set_udp_qos_upgrade_config(adapter, priority);
+}
+
 static int hdd_config_power(struct hdd_adapter *adapter,
 			    const struct nlattr *attr)
 {
@@ -8496,6 +8515,8 @@ static const struct independent_setters independent_setters[] = {
 	 hdd_set_nss},
 	{QCA_WLAN_VENDOR_ATTR_CONFIG_OPTIMIZED_POWER_MANAGEMENT,
 	 hdd_config_power},
+	{QCA_WLAN_VENDOR_ATTR_CONFIG_UDP_QOS_UPGRADE,
+	 hdd_config_udp_qos_upgrade_threshold},
 };
 
 #ifdef WLAN_FEATURE_ELNA

core/hdd/src/wlan_hdd_tx_rx.c

@@ -469,6 +469,25 @@ void hdd_event_eapol_log(struct sk_buff *skb, enum qdf_proto_dir dir)
 }
 #endif /* FEATURE_WLAN_DIAG_SUPPORT */
 
+int hdd_set_udp_qos_upgrade_config(struct hdd_adapter *adapter,
+				   uint8_t priority)
+{
+	if (adapter->device_mode != QDF_STA_MODE) {
+		hdd_info_rl("Data priority upgrade only allowed in STA mode:%d",
+			    adapter->device_mode);
+		return -EINVAL;
+	}
+
+	if (priority >= QCA_WLAN_AC_ALL) {
+		hdd_err_rl("Invlid data priority: %d", priority);
+		return -EINVAL;
+	}
+
+	adapter->upgrade_udp_qos_threshold = priority;
+
+	return 0;
+}
+
 /**
  * wlan_hdd_classify_pkt() - classify packet
  * @skb - sk buff