qcacld-3.0: Support twt in 11n mode

Currently TWT support is present from 11ax mode but now it can
get support from 11n mode if the below ini is present
enable_twt_in_11n=1
gDot11Mode=4

In 11n mode, STA checks the TWT responder bit from extended caps
of assoc response. If the TWT bit and the above mentioned ini
are enabled, then TWT commands can support.

Change-Id: I82e3f954954529abf04d8fdcd0238318047428d8
CRs-Fixed: 3185140

core/mac/src/pe/include/lim_api.h

@@ -510,6 +510,17 @@ void lim_set_twt_peer_capabilities(struct mac_context *mac_ctx,
 				   struct qdf_mac_addr *peer_mac,
 				   tDot11fIEhe_cap *he_cap,
 				   tDot11fIEhe_op *he_op);
+
+/**
+ * lim_set_twt_ext_capabilities() - Update twt caps for 11n devices
+ * @mac_ctx: Pointer to mac context
+ * @peer_mac: peer mac address
+ * @ext_cap: pointer to Extended capabilities IE
+ *
+ */
+void lim_set_twt_ext_capabilities(struct mac_context *mac_ctx,
+				  struct qdf_mac_addr *peer_mac,
+				  struct s_ext_cap *ext_cap);
 #else
 static inline
 void lim_fill_roamed_peer_twt_caps(struct mac_context *mac_ctx, uint8_t vdev_id,
@@ -522,6 +533,12 @@ void lim_set_twt_peer_capabilities(struct mac_context *mac_ctx,
 				    tDot11fIEhe_cap *he_cap,
 				    tDot11fIEhe_op *he_op)
 {}
+
+static inline
+void lim_set_twt_ext_capabilities(struct mac_context *mac_ctx,
+				  struct qdf_mac_addr *peer_mac,
+				  struct s_ext_cap *ext_cap)
+{}
 #endif
 
 /**

core/mac/src/pe/lim/lim_api.c

@@ -1785,6 +1785,21 @@ void lim_set_twt_peer_capabilities(struct mac_context *mac_ctx,
 
 	wlan_set_peer_twt_capabilities(mac_ctx->psoc, peer_mac, caps);
 }
+
+void lim_set_twt_ext_capabilities(struct mac_context *mac_ctx,
+				  struct qdf_mac_addr *peer_mac,
+				  struct s_ext_cap *ext_cap)
+{
+	uint8_t caps = 0;
+
+	if (ext_cap->twt_requestor_support)
+		caps |= WLAN_TWT_CAPA_REQUESTOR;
+
+	if (ext_cap->twt_responder_support)
+		caps |= WLAN_TWT_CAPA_RESPONDER;
+
+	wlan_set_peer_twt_capabilities(mac_ctx->psoc, peer_mac, caps);
+}
 #else
 void lim_set_twt_peer_capabilities(struct mac_context *mac_ctx,
 				   struct qdf_mac_addr *peer_mac,
@@ -1811,6 +1826,21 @@ void lim_set_twt_peer_capabilities(struct mac_context *mac_ctx,
 	mlme_set_twt_peer_capabilities(mac_ctx->psoc, peer_mac,
 				       caps);
 }
+
+void lim_set_twt_ext_capabilities(struct mac_context *mac_ctx,
+				  struct qdf_mac_addr *peer_mac,
+				  struct s_ext_cap *ext_cap)
+{
+	uint8_t caps = 0;
+
+	if (ext_cap->twt_requestor_support)
+		caps |= WLAN_TWT_CAPA_REQUESTOR;
+
+	if (ext_cap->twt_responder_support)
+		caps |= WLAN_TWT_CAPA_RESPONDER;
+
+	mlme_set_twt_peer_capabilities(mac_ctx->psoc, peer_mac, caps);
+}
 #endif /* WLAN_TWT_CONV_SUPPORTED */
 #endif /* WLAN_SUPPORT_TWT */
 

core/mac/src/pe/lim/lim_process_assoc_rsp_frame.c

@@ -48,6 +48,7 @@
 #include "wlan_connectivity_logging.h"
 #include <lim_mlo.h>
 #include "parser_api.h"
+#include "wlan_twt_cfg_ext_api.h"
 
 /**
  * lim_update_stads_htcap() - Updates station Descriptor HT capability
@@ -878,7 +879,8 @@ lim_process_assoc_rsp_frame(struct mac_context *mac_ctx, uint8_t *rx_pkt_info,
 	int8_t rssi;
 	QDF_STATUS status;
 	enum ani_akm_type auth_type;
-	bool sha384_akm;
+	bool sha384_akm, twt_support_in_11n = false;
+	struct s_ext_cap *ext_cap;
 
 	assoc_cnf.resultCode = eSIR_SME_SUCCESS;
 	/* Update PE session Id */
@@ -1158,13 +1160,26 @@ lim_process_assoc_rsp_frame(struct mac_context *mac_ctx, uint8_t *rx_pkt_info,
 		lim_update_obss_scanparams(session_entry,
 				&assoc_rsp->obss_scanparams);
 
-	if (lim_is_session_he_capable(session_entry))
+	if (lim_is_session_he_capable(session_entry)) {
 		lim_set_twt_peer_capabilities(
 				mac_ctx,
 				(struct qdf_mac_addr *)current_bssid,
 				&assoc_rsp->he_cap,
 				&assoc_rsp->he_op);
 
+	} else {
+		wlan_twt_cfg_get_support_in_11n(mac_ctx->psoc,
+						&twt_support_in_11n);
+		if (twt_support_in_11n && session_entry->htCapability &&
+		    assoc_rsp->HTCaps.present && assoc_rsp->ExtCap.present) {
+			ext_cap = (struct s_ext_cap *)assoc_rsp->ExtCap.bytes;
+			lim_set_twt_ext_capabilities(
+				mac_ctx,
+				(struct qdf_mac_addr *)current_bssid,
+				ext_cap);
+		}
+	}
+
 	lim_diag_event_report(mac_ctx, WLAN_PE_DIAG_ROAM_ASSOC_COMP_EVENT,
 			      session_entry,
 			      (assoc_rsp->status_code ? QDF_STATUS_E_FAILURE :