qcacld-2.0: Parse attributes for vendor IE and access policy

User can configure the vendor IE and access policy from
application. Driver has to parse this vendor attribute and update
the protocol stack.

Change-Id: I176570336aea74b10c5a7e6ad42ed9854dc11b8c
CRs-Fixed: 1020078

2 files changed, 137 insertions, 0 deletions

diff --git a/CORE/HDD/inc/wlan_hdd_cfg80211.h b/CORE/HDD/inc/wlan_hdd_cfg80211.h
index 270fc1314afb..de71b974dd2e 100644
--- a/CORE/HDD/inc/wlan_hdd_cfg80211.h
+++ b/CORE/HDD/inc/wlan_hdd_cfg80211.h
@@ -1563,6 +1563,25 @@ enum qca_wlan_vendor_acs_hw_mode {
 #define CFG_AGG_RETRY_MIN                      (5)
 
 /**
+ * enum qca_access_policy - access control policy
+ *
+ * Access control policy is applied on the configured IE
+ * (QCA_WLAN_VENDOR_ATTR_CONFIG_ACCESS_POLICY_IE).
+ * To be set with QCA_WLAN_VENDOR_ATTR_CONFIG_ACCESS_POLICY.
+ *
+ * @QCA_ACCESS_POLICY_ACCEPT_UNLESS_LISTED: Deny Wi-Fi Connections which match
+ *	with the specific configuration (IE) set, i.e. allow all the
+ *	connections which do not match the configuration.
+ * @QCA_ACCESS_POLICY_DENY_UNLESS_LISTED: Accept Wi-Fi Connections which match
+ *	with the specific configuration (IE) set, i.e. deny all the
+ *	connections which do not match the configuration.
+ */
+enum qca_access_policy {
+	QCA_ACCESS_POLICY_ACCEPT_UNLESS_LISTED,
+	QCA_ACCESS_POLICY_DENY_UNLESS_LISTED,
+};
+
+/**
  * enum qca_wlan_vendor_config: wifi config attr
  *
  * @QCA_WLAN_VENDOR_ATTR_CONFIG_INVALID: invalid config
@@ -1584,6 +1603,23 @@ enum qca_wlan_vendor_acs_hw_mode {
  * @QCA_WLAN_VENDOR_ATTR_CONFIG_TX_FAIL_COUNT: Unsigned 32-bit value to
  * configure the number of unicast TX fail packet count.
  * The peer is disconnected once this threshold is reached.
+ * @QCA_WLAN_VENDOR_ATTR_CONFIG_SCAN_DEFAULT_IES: Update the default scan IEs
+ * @QCA_WLAN_VENDOR_ATTR_CONFIG_GENERIC_COMMAND:
+ *                         Unsigned 32-bit value attribute for generic commands
+ * @QCA_WLAN_VENDOR_ATTR_CONFIG_GENERIC_VALUE:
+ *                  Unsigned 32-bit data attribute for generic command response
+ * @QCA_WLAN_VENDOR_ATTR_CONFIG_GENERIC_DATA:
+ *                  Unsigned 32-bit data attribute for generic command response
+ * @QCA_WLAN_VENDOR_ATTR_CONFIG_GENERIC_LENGTH:
+ *                                     Unsigned 32-bit length attribute for
+ *                                     QCA_WLAN_VENDOR_ATTR_CONFIG_GENERIC_DATA
+ * @QCA_WLAN_VENDOR_ATTR_CONFIG_GENERIC_FLAGS:
+ * Unsigned 32-bit flags attribute for QCA_WLAN_VENDOR_ATTR_CONFIG_GENERIC_DATA
+ * @QCA_WLAN_VENDOR_ATTR_CONFIG_ACCESS_POLICY: Vendor IE access policy
+ * @QCA_WLAN_VENDOR_ATTR_CONFIG_ACCESS_POLICY_IE_LIST: Vendor IE to be used
+ *                                                     with access policy
+ * @QCA_WLAN_VENDOR_ATTR_CONFIG_IFINDEX: interface index for vdev specific
+ *                                       parameters
  * @QCA_WLAN_VENDOR_ATTR_CONFIG_LAST: last config
  * @QCA_WLAN_VENDOR_ATTR_CONFIG_MAX: max config
  */
@@ -1604,6 +1640,43 @@ enum qca_wlan_vendor_config {
 	QCA_WLAN_VENDOR_ATTR_CONFIG_CTRL_RETRY,
 	QCA_WLAN_VENDOR_ATTR_CONFIG_PROPAGATION_DELAY,
 	QCA_WLAN_VENDOR_ATTR_CONFIG_TX_FAIL_COUNT,
+	/* Attribute used to set scan default IEs to the driver.
+	 *
+	 * These IEs can be used by scan operations that will be initiated by
+	 * the driver/firmware.
+	 *
+	 * For further scan requests coming to the driver, these IEs should be
+	 * merged with the IEs received along with scan request coming to the
+	 * driver. If a particular IE is present in the scan default IEs but not
+	 * present in the scan request, then that IE should be added to the IEs
+	 * sent in the Probe Request frames for that scan request. */
+	QCA_WLAN_VENDOR_ATTR_CONFIG_SCAN_DEFAULT_IES,
+	/* Unsigned 32-bit attribute for generic commands */
+	QCA_WLAN_VENDOR_ATTR_CONFIG_GENERIC_COMMAND,
+	/* Unsigned 32-bit value attribute for generic commands */
+	QCA_WLAN_VENDOR_ATTR_CONFIG_GENERIC_VALUE,
+	/* Unsigned 32-bit data attribute for generic command response */
+	QCA_WLAN_VENDOR_ATTR_CONFIG_GENERIC_DATA,
+	/* Unsigned 32-bit length attribute for
+	 * QCA_WLAN_VENDOR_ATTR_CONFIG_GENERIC_DATA */
+	QCA_WLAN_VENDOR_ATTR_CONFIG_GENERIC_LENGTH,
+	/* Unsigned 32-bit flags attribute for
+	 * QCA_WLAN_VENDOR_ATTR_CONFIG_GENERIC_DATA */
+	QCA_WLAN_VENDOR_ATTR_CONFIG_GENERIC_FLAGS,
+	/* Unsigned 32-bit, defining the access policy.
+	 * See enum qca_access_policy. Used with
+	 * QCA_WLAN_VENDOR_ATTR_CONFIG_ACCESS_POLICY_IE_LIST. */
+	QCA_WLAN_VENDOR_ATTR_CONFIG_ACCESS_POLICY,
+	/* Sets the list of full set of IEs for which a specific access policy
+	 * has to be applied. Used along with
+	 * QCA_WLAN_VENDOR_ATTR_CONFIG_ACCESS_POLICY to control the access.
+	 * Zero length payload can be used to clear this access constraint. */
+	QCA_WLAN_VENDOR_ATTR_CONFIG_ACCESS_POLICY_IE_LIST,
+	/* Unsigned 32-bit, specifies the interface index (netdev) for which the
+	 * corresponding configurations are applied. If the interface index is
+	 * not specified, the configurations are attributed to the respective
+	 * wiphy. */
+	QCA_WLAN_VENDOR_ATTR_CONFIG_IFINDEX,
 
 	/* keep last */
 	QCA_WLAN_VENDOR_ATTR_CONFIG_LAST,
diff --git a/CORE/HDD/src/wlan_hdd_cfg80211.c b/CORE/HDD/src/wlan_hdd_cfg80211.c
index b04705b5936a..2437ba8da878 100644
--- a/CORE/HDD/src/wlan_hdd_cfg80211.c
+++ b/CORE/HDD/src/wlan_hdd_cfg80211.c
@@ -784,6 +784,11 @@ enum wlan_hdd_tm_cmd
 
 #define WLAN_HDD_TM_DATA_MAX_LEN    5000
 
+enum wlan_hdd_vendor_ie_access_policy {
+	WLAN_HDD_VENDOR_IE_ACCESS_NONE = 0,
+	WLAN_HDD_VENDOR_IE_ACCESS_ALLOW_IF_LISTED,
+};
+
 static const struct nla_policy wlan_hdd_tm_policy[WLAN_HDD_TM_ATTR_MAX + 1] =
 {
     [WLAN_HDD_TM_ATTR_CMD]        = { .type = NLA_U32 },
@@ -8467,6 +8472,10 @@ static int __wlan_hdd_cfg80211_wifi_configuration_set(struct wiphy *wiphy,
 	struct sir_set_tx_rx_aggregation_size request;
 	VOS_STATUS vos_status;
 	uint32_t tx_fail_count;
+	int attr_len;
+	int access_policy = 0;
+	char vendor_ie[SIR_MAC_MAX_IE_LENGTH + 2];
+	bool vendor_ie_present = false, access_policy_present = false;
 
 	if (VOS_FTM_MODE == hdd_get_conparam()) {
 		hddLog(LOGE, FL("Command not allowed in FTM mode"));
@@ -8661,6 +8670,61 @@ static int __wlan_hdd_cfg80211_wifi_configuration_set(struct wiphy *wiphy,
 			}
 		}
 	}
+
+	if (tb[QCA_WLAN_VENDOR_ATTR_CONFIG_ACCESS_POLICY_IE_LIST]) {
+		vos_mem_zero(&vendor_ie[0], SIR_MAC_MAX_IE_LENGTH + 2);
+		attr_len = nla_len(
+			tb[QCA_WLAN_VENDOR_ATTR_CONFIG_ACCESS_POLICY_IE_LIST]);
+		if (attr_len < 0 || attr_len > SIR_MAC_MAX_IE_LENGTH + 2) {
+			hddLog(LOGE, FL("Invalid value. attr_len %d"),
+					attr_len);
+			return -EINVAL;
+		}
+
+		nla_memcpy(&vendor_ie,
+			tb[QCA_WLAN_VENDOR_ATTR_CONFIG_ACCESS_POLICY_IE_LIST],
+			attr_len);
+		vendor_ie_present = true;
+		hddLog(LOG1, FL("Access policy vendor ie present.attr_len %d"),
+				attr_len);
+		vos_trace_hex_dump(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_INFO,
+				&vendor_ie[0], attr_len);
+	}
+
+	if (tb[QCA_WLAN_VENDOR_ATTR_CONFIG_ACCESS_POLICY]) {
+		access_policy = (int) nla_get_u32(
+				tb[QCA_WLAN_VENDOR_ATTR_CONFIG_ACCESS_POLICY]);
+		if ((access_policy < QCA_ACCESS_POLICY_ACCEPT_UNLESS_LISTED) ||
+			(access_policy > QCA_ACCESS_POLICY_DENY_UNLESS_LISTED)){
+			hddLog(LOGE, FL("Invalid value. access_policy %d"),
+					access_policy);
+			return -EINVAL;
+		}
+		access_policy_present = true;
+		hddLog(LOG1, FL("Access policy present. access_policy %d"),
+				access_policy);
+	}
+
+	if (vendor_ie_present && access_policy_present) {
+		if (access_policy == QCA_ACCESS_POLICY_DENY_UNLESS_LISTED) {
+			access_policy =
+				WLAN_HDD_VENDOR_IE_ACCESS_ALLOW_IF_LISTED;
+		}
+		else {
+			access_policy = WLAN_HDD_VENDOR_IE_ACCESS_NONE;
+		}
+
+		hddLog(LOG1, FL("calling sme_update_access_policy_vendor_ie"));
+		status = sme_update_access_policy_vendor_ie(pHddCtx->hHal,
+				pAdapter->sessionId, &vendor_ie[0],
+				access_policy);
+		if (status == eHAL_STATUS_FAILURE) {
+			hddLog(LOGE, FL(
+				"Failed to set vendor ie and access policy."));
+			return -EINVAL;
+		}
+	}
+
 	return ret_val;
 }