qcacld-3.0: Handle FW rejuvenate scenario

Upon driver reinitialize after a FW rejuvenate,
data packets are not going through IPA path.

Check for FW rejuvenate scenario during driver
recovery and send appropriate message to IPA
driver.

Change-Id: I8c1d7ba78227684cd5653a5927aa4d4c2ce5d354
Crs-Fixed: 2287293

ipa/core/inc/wlan_ipa_core.h

@@ -650,5 +650,14 @@ void wlan_ipa_cleanup_dev_iface(struct wlan_ipa_priv *ipa_ctx,
  * Return: None
  */
 void wlan_ipa_uc_ssr_cleanup(struct wlan_ipa_priv *ipa_ctx);
+
+/**
+ * wlan_ipa_fw_rejuvenate_send_msg() - send fw rejuvenate message to IPA driver
+ * @ipa_ctx: IPA context
+ *
+ * Return: void
+ */
+void wlan_ipa_fw_rejuvenate_send_msg(struct wlan_ipa_priv *ipa_ctx);
+
 #endif /* IPA_OFFLOAD */
 #endif /* _WLAN_IPA_CORE_H_ */

ipa/core/inc/wlan_ipa_main.h

@@ -413,5 +413,14 @@ void ipa_cleanup_dev_iface(struct wlan_objmgr_pdev *pdev,
  * Return: None
  */
 void ipa_uc_ssr_cleanup(struct wlan_objmgr_pdev *pdev);
+
+/**
+ * ipa_fw_rejuvenate_send_msg() - send fw rejuvenate message to IPA driver
+ * @pdev: pdev obj
+ *
+ * Return: None
+ */
+void ipa_fw_rejuvenate_send_msg(struct wlan_objmgr_pdev *pdev);
+
 #endif /* IPA_OFFLOAD */
 #endif /* end  of _WLAN_IPA_MAIN_H_ */

ipa/core/src/wlan_ipa_core.c

@@ -3004,3 +3004,29 @@ void wlan_ipa_uc_ssr_cleanup(struct wlan_ipa_priv *ipa_ctx)
 		}
 	}
 }
+
+void wlan_ipa_fw_rejuvenate_send_msg(struct wlan_ipa_priv *ipa_ctx)
+{
+	qdf_ipa_msg_meta_t meta;
+	qdf_ipa_wlan_msg_t *msg;
+	int ret;
+
+	meta.msg_len = sizeof(*msg);
+	msg = qdf_mem_malloc(meta.msg_len);
+	if (!msg) {
+		ipa_debug("msg allocation failed");
+		return;
+	}
+
+	QDF_IPA_SET_META_MSG_TYPE(&meta, QDF_FWR_SSR_BEFORE_SHUTDOWN);
+	ipa_debug("ipa_send_msg(Evt:%d)",
+		  meta.msg_type);
+	ret = qdf_ipa_send_msg(&meta, msg, wlan_ipa_msg_free_fn);
+
+	if (ret) {
+		ipa_err("ipa_send_msg(Evt:%d)-fail=%d",
+			meta.msg_type, ret);
+		qdf_mem_free(msg);
+	}
+	ipa_ctx->stats.num_send_msg++;
+}

ipa/core/src/wlan_ipa_main.c

@@ -589,3 +589,16 @@ void ipa_uc_ssr_cleanup(struct wlan_objmgr_pdev *pdev)
 
 	return wlan_ipa_uc_ssr_cleanup(ipa_obj);
 }
+
+void ipa_fw_rejuvenate_send_msg(struct wlan_objmgr_pdev *pdev)
+{
+	struct wlan_ipa_priv *ipa_obj;
+
+	ipa_obj = ipa_pdev_get_priv_obj(pdev);
+	if (!ipa_obj) {
+		ipa_err("IPA object is NULL");
+		return;
+	}
+
+	return wlan_ipa_fw_rejuvenate_send_msg(ipa_obj);
+}

ipa/dispatcher/inc/wlan_ipa_ucfg_api.h

@@ -323,6 +323,15 @@ void ucfg_ipa_cleanup_dev_iface(struct wlan_objmgr_pdev *pdev,
  * Return: None
  */
 void ucfg_ipa_uc_ssr_cleanup(struct wlan_objmgr_pdev *pdev);
+
+/**
+ * ucfg_ipa_fw_rejuvenate_send_msg() - Send msg to IPA driver in FW rejuvenate
+ * @pdev: pdev obj
+ *
+ * Return: None
+ */
+void ucfg_ipa_fw_rejuvenate_send_msg(struct wlan_objmgr_pdev *pdev);
+
 #else
 
 static inline bool ucfg_ipa_is_present(void)
@@ -503,5 +512,10 @@ static inline
 void ucfg_ipa_uc_ssr_cleanup(struct wlan_objmgr_pdev *pdev)
 {
 }
+
+static inline
+void ucfg_ipa_fw_rejuvenate_send_msg(struct wlan_objmgr_pdev *pdev)
+{
+}
 #endif /* IPA_OFFLOAD */
 #endif /* _WLAN_IPA_UCFG_API_H_ */

ipa/dispatcher/src/wlan_ipa_ucfg_api.c

@@ -191,3 +191,8 @@ void ucfg_ipa_uc_ssr_cleanup(struct wlan_objmgr_pdev *pdev)
 {
 	return ipa_uc_ssr_cleanup(pdev);
 }
+
+void ucfg_ipa_fw_rejuvenate_send_msg(struct wlan_objmgr_pdev *pdev)
+{
+	return ipa_fw_rejuvenate_send_msg(pdev);
+}