qcacmn: Add new cfg80211 wrapper api's Multi link operation

Add new cfg80211 wrapper api's to support single link multi wdev
operation.

Change-Id: Idf245df7a96a85afe5ff1aac5829423d0bee5b85
CRs-Fixed: 3235154

os_if/linux/mlme/src/osif_cm_connect_rsp.c

@@ -494,6 +494,26 @@ osif_free_ml_link_params(struct cfg80211_connect_resp_params *conn_rsp_params)
 }
 #endif
 
+#ifdef CFG80211_SINGLE_NETDEV_MULTI_LINK_SUPPORT
+static
+void osif_copy_connected_info(struct cfg80211_connect_resp_params *conn_rsp,
+			      struct wlan_cm_connect_resp *rsp,
+			      struct cfg80211_bss *bss)
+{
+	conn_rsp->links[0].bssid = rsp->bssid.bytes;
+	conn_rsp->links[0].bss = bss;
+}
+#else
+static
+void osif_copy_connected_info(struct cfg80211_connect_resp_params *conn_rsp,
+			      struct wlan_cm_connect_resp *rsp,
+			      struct cfg80211_bss *bss)
+{
+	conn_rsp->bssid = rsp->bssid.bytes;
+	conn_rsp->bss = bss;
+}
+#endif
+
 /**
  * osif_connect_done() - Wrapper API to call cfg80211_connect_done
  * @dev: network device
@@ -520,7 +540,7 @@ static int osif_connect_done(struct net_device *dev, struct cfg80211_bss *bss,
 	qdf_mem_zero(&conn_rsp_params, sizeof(conn_rsp_params));
 
 	conn_rsp_params.status = status;
-	conn_rsp_params.bssid = rsp->bssid.bytes;
+	osif_copy_connected_info(&conn_rsp_params, rsp, bss);
 	conn_rsp_params.timeout_reason =
 			osif_convert_timeout_reason(rsp->reason);
 	osif_cm_get_assoc_req_ie_data(&rsp->connect_ies.assoc_req,
@@ -529,7 +549,6 @@ static int osif_connect_done(struct net_device *dev, struct cfg80211_bss *bss,
 	osif_cm_get_assoc_rsp_ie_data(&rsp->connect_ies.assoc_rsp,
 				      &conn_rsp_params.resp_ie_len,
 				      &conn_rsp_params.resp_ie);
-	conn_rsp_params.bss = bss;
 	osif_populate_fils_params(&conn_rsp_params, &rsp->connect_ies);
 	osif_cm_save_gtk(vdev, rsp);
 

os_if/linux/mlme/src/osif_cm_roam_rsp.c

@@ -1,5 +1,6 @@
 /*
  * Copyright (c) 2012-2015,2020-2021 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -63,6 +64,21 @@ static inline void osif_update_fils_hlp_data(struct net_device *dev,
  */
 #if defined CFG80211_ROAMED_API_UNIFIED || \
 	(LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0))
+#ifdef CFG80211_SINGLE_NETDEV_MULTI_LINK_SUPPORT
+static
+void osif_copy_roamed_info(struct cfg80211_roam_info *info,
+			   struct cfg80211_bss *bss)
+{
+	info->links[0].bss = bss;
+}
+#else
+static
+void osif_copy_roamed_info(struct cfg80211_roam_info *info,
+			   struct cfg80211_bss *bss)
+{
+	info->bss = bss;
+}
+#endif
 static void osif_roamed_ind(struct net_device *dev, struct cfg80211_bss *bss,
 			    const uint8_t *req_ie,
 			    size_t req_ie_len, const uint8_t *resp_ie,
@@ -70,7 +86,7 @@ static void osif_roamed_ind(struct net_device *dev, struct cfg80211_bss *bss,
 {
 	struct cfg80211_roam_info info = {0};
 
-	info.bss = bss;
+	osif_copy_roamed_info(&info, bss);
 	info.req_ie = req_ie;
 	info.req_ie_len = req_ie_len;
 	info.resp_ie = resp_ie;

os_if/linux/wlan_cfg80211.h

@@ -502,4 +502,22 @@ static inline void wlan_cfg80211_unregister_netdevice(struct net_device *dev)
 }
 #endif
 
+#ifdef CFG80211_SINGLE_NETDEV_MULTI_LINK_SUPPORT
+static inline
+void wlan_cfg80211_ch_switch_notify(struct net_device *dev,
+				    struct cfg80211_chan_def *chandef,
+				    unsigned int link_id)
+{
+	cfg80211_ch_switch_notify(dev, chandef, link_id);
+}
+#else
+static inline
+void wlan_cfg80211_ch_switch_notify(struct net_device *dev,
+				    struct cfg80211_chan_def *chandef,
+				    unsigned int link_id)
+{
+	cfg80211_ch_switch_notify(dev, chandef);
+}
+#endif
+
 #endif

os_if/linux/wlan_osif_features.h

@@ -83,5 +83,36 @@
 #define CFG80211_SA_QUERY_OFFLOAD_SUPPORT 1
 #endif
 
-
+/*
+ * CFG80211_SINGLE_NETDEV_MULTI_LINK_SUPPORT
+ * Used to indicate the Linux Kernel contains support for single netdevice multi
+ * link support.
+ *
+ * This feature was merged into wireless-next via below commits:
+ * 7b0a0e3c3 wifi: cfg80211: do some rework towards MLO link APIs
+ * 0f7594489 wifi: cfg80211: mlme: get BSS entry outside cfg80211_mlme_assoc()
+ * 9ecff10e8 wifi: nl80211: refactor BSS lookup in nl80211_associate()
+ * 0f48b8b88 wifi: ieee80211: add definitions for multi-link element
+ * 325839da9 wifi: cfg80211: simplify cfg80211_mlme_auth() prototype
+ * d648c2302 wifi: nl80211: support MLO in auth/assoc
+ *
+ * This feature was backported to Android Common Kernel 5.15 via:
+ * https://android-review.googlesource.com/c/kernel/common/+/2123895
+ * https://android-review.googlesource.com/c/kernel/common/+/2115618
+ * https://android-review.googlesource.com/c/kernel/common/+/2115620
+ * https://android-review.googlesource.com/c/kernel/common/+/2121347
+ * https://android-review.googlesource.com/c/kernel/common/+/2121348
+ * https://android-review.googlesource.com/c/kernel/common/+/2121349
+ * https://android-review.googlesource.com/c/kernel/common/+/2121350
+ * https://android-review.googlesource.com/c/kernel/common/+/2121351
+ * https://android-review.googlesource.com/c/kernel/common/+/2123452
+ * https://android-review.googlesource.com/c/kernel/common/+/2123454
+ * https://android-review.googlesource.com/c/kernel/common/+/2115621
+ *
+ */
+#if (defined(__ANDROID_COMMON_KERNEL__) && \
+	(LINUX_VERSION_CODE >= KERNEL_VERSION(5, 15, 0)) && \
+	(defined  IEEE80211_MLD_MAX_NUM_LINKS))
+#define CFG80211_SINGLE_NETDEV_MULTI_LINK_SUPPORT 1
+#endif
 #endif