Adding upstream version 4.19.249.upstream/4.19.249

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 90 insertions, 0 deletions

diff --git a/include/net/caif/cfcnfg.h b/include/net/caif/cfcnfg.h
new file mode 100644
index 000000000..219094ace
--- /dev/null
+++ b/include/net/caif/cfcnfg.h
@@ -0,0 +1,90 @@
+/*
+ * Copyright (C) ST-Ericsson AB 2010
+ * Author:	Sjur Brendeland
+ * License terms: GNU General Public License (GPL) version 2
+ */
+
+#ifndef CFCNFG_H_
+#define CFCNFG_H_
+#include <linux/spinlock.h>
+#include <linux/netdevice.h>
+#include <net/caif/caif_layer.h>
+#include <net/caif/cfctrl.h>
+
+struct cfcnfg;
+
+/**
+ * enum cfcnfg_phy_preference - Physical preference HW Abstraction
+ *
+ * @CFPHYPREF_UNSPECIFIED:	Default physical interface
+ *
+ * @CFPHYPREF_LOW_LAT:		Default physical interface for low-latency
+ *				traffic
+ * @CFPHYPREF_HIGH_BW:		Default physical interface for high-bandwidth
+ *				traffic
+ * @CFPHYPREF_LOOP:		TEST only Loopback interface simulating modem
+ *				responses.
+ *
+ */
+enum cfcnfg_phy_preference {
+	CFPHYPREF_UNSPECIFIED,
+	CFPHYPREF_LOW_LAT,
+	CFPHYPREF_HIGH_BW,
+	CFPHYPREF_LOOP
+};
+
+/**
+ * cfcnfg_create() - Get the CAIF configuration object given network.
+ * @net:	Network for the CAIF configuration object.
+ */
+struct cfcnfg *get_cfcnfg(struct net *net);
+
+/**
+ * cfcnfg_create() - Create the CAIF configuration object.
+ */
+struct cfcnfg *cfcnfg_create(void);
+
+/**
+ * cfcnfg_remove() -  Remove the CFCNFG object
+ * @cfg: config object
+ */
+void cfcnfg_remove(struct cfcnfg *cfg);
+
+/**
+ * cfcnfg_add_phy_layer() - Adds a physical layer to the CAIF stack.
+ * @cnfg:	Pointer to a CAIF configuration object, created by
+ *		cfcnfg_create().
+ * @dev:	Pointer to link layer device
+ * @phy_layer:	Specify the physical layer. The transmit function
+ *		MUST be set in the structure.
+ * @pref:	The phy (link layer) preference.
+ * @link_support: Protocol implementation for link layer specific protocol.
+ * @fcs:	Specify if checksum is used in CAIF Framing Layer.
+ * @head_room:	Head space needed by link specific protocol.
+ */
+int
+cfcnfg_add_phy_layer(struct cfcnfg *cnfg,
+		     struct net_device *dev, struct cflayer *phy_layer,
+		     enum cfcnfg_phy_preference pref,
+		     struct cflayer *link_support,
+		     bool fcs, int head_room);
+
+/**
+ * cfcnfg_del_phy_layer - Deletes an phy layer from the CAIF stack.
+ *
+ * @cnfg:	Pointer to a CAIF configuration object, created by
+ *		cfcnfg_create().
+ * @phy_layer:	Adaptation layer to be removed.
+ */
+int cfcnfg_del_phy_layer(struct cfcnfg *cnfg, struct cflayer *phy_layer);
+
+/**
+ * cfcnfg_set_phy_state() - Set the state of the physical interface device.
+ * @cnfg:	Configuration object
+ * @phy_layer:	Physical Layer representation
+ * @up:	State of device
+ */
+int cfcnfg_set_phy_state(struct cfcnfg *cnfg, struct cflayer *phy_layer,
+				bool up);
+
+#endif				/* CFCNFG_H_ */