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-rw-r--r--include/net/caif/cfcnfg.h90
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diff --git a/include/net/caif/cfcnfg.h b/include/net/caif/cfcnfg.h
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+++ b/include/net/caif/cfcnfg.h
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+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) ST-Ericsson AB 2010
+ * Author: Sjur Brendeland
+ */
+
+#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_ */