core: rmnet: Fastforward to 4.19 tip

This brings the RmNet and DFC modules up to date with the 4.19 tip as of
commit 9b38611ea527 ("rmnet: Reduce synchronize_rcu calls").

As part of this, the rmnet_ctl driver was also incorporated, using commit
4ceee3aafb7d ("rmnet_ctl: Add IPC logging and optimizations")

Change-Id: Ic45d46074c7401dfed408c769cfb6462dac0d4ee
Signed-off-by: Sean Tranchetti <stranche@codeaurora.org>

core/rmnet_qmi.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2018-2020, The Linux Foundation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -16,9 +16,11 @@
 
 #include <linux/netdevice.h>
 #include <linux/skbuff.h>
+#define CONFIG_QTI_QMI_RMNET 1
 
 void rmnet_map_tx_qmap_cmd(struct sk_buff *qmap_skb);
 
+#ifdef CONFIG_QTI_QMI_RMNET
 void *rmnet_get_qmi_pt(void *port);
 void *rmnet_get_qos_pt(struct net_device *dev);
 void *rmnet_get_rmnet_port(struct net_device *dev);
@@ -31,4 +33,68 @@ void rmnet_set_powersave_format(void *port);
 void rmnet_clear_powersave_format(void *port);
 void rmnet_get_packets(void *port, u64 *rx, u64 *tx);
 int rmnet_get_powersave_notif(void *port);
+struct net_device *rmnet_get_real_dev(void *port);
+int rmnet_get_dlmarker_info(void *port);
+#else
+static inline void *rmnet_get_qmi_pt(void *port)
+{
+	return NULL;
+}
+
+static inline void *rmnet_get_qos_pt(struct net_device *dev)
+{
+	return NULL;
+}
+
+static inline void *rmnet_get_rmnet_port(struct net_device *dev)
+{
+	return NULL;
+}
+
+static inline struct net_device *rmnet_get_rmnet_dev(void *port,
+						     u8 mux_id)
+{
+	return NULL;
+}
+
+static inline void rmnet_reset_qmi_pt(void *port)
+{
+}
+
+static inline void rmnet_init_qmi_pt(void *port, void *qmi)
+{
+}
+
+static inline void rmnet_enable_all_flows(void *port)
+{
+}
+
+static inline bool rmnet_all_flows_enabled(void *port)
+{
+	return true;
+}
+
+static inline void rmnet_set_port_format(void *port)
+{
+}
+
+static inline void rmnet_get_packets(void *port, u64 *rx, u64 *tx)
+{
+}
+
+static inline int rmnet_get_powersave_notif(void *port)
+{
+	return 0;
+}
+
+static inline struct net_device *rmnet_get_real_dev(void *port)
+{
+	return NULL;
+}
+
+static inline int rmnet_get_dlmarker_info(void *port)
+{
+	return 0;
+}
+#endif /* CONFIG_QTI_QMI_RMNET */
 #endif /*_RMNET_QMI_H*/