tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * Copyright (C) ST-Ericsson AB 2010
3 * Author: Sjur Brendeland/sjur.brandeland@stericsson.com
4 * License terms: GNU General Public License (GPL) version 2
5 */
6
7#ifndef CFCNFG_H_
8#define CFCNFG_H_
9#include <linux/spinlock.h>
10#include <linux/netdevice.h>
11#include <net/caif/caif_layer.h>
12#include <net/caif/cfctrl.h>
13
14struct cfcnfg;
15
16/**
17 * enum cfcnfg_phy_type - Types of physical layers defined in CAIF Stack
18 *
19 * @CFPHYTYPE_FRAG: Fragmented frames physical interface.
20 * @CFPHYTYPE_CAIF: Generic CAIF physical interface
21 */
22enum cfcnfg_phy_type {
23 CFPHYTYPE_FRAG = 1,
24 CFPHYTYPE_CAIF,
25 CFPHYTYPE_MAX
26};
27
28/**
29 * enum cfcnfg_phy_preference - Physical preference HW Abstraction
30 *
31 * @CFPHYPREF_UNSPECIFIED: Default physical interface
32 *
33 * @CFPHYPREF_LOW_LAT: Default physical interface for low-latency
34 * traffic
35 * @CFPHYPREF_HIGH_BW: Default physical interface for high-bandwidth
36 * traffic
37 * @CFPHYPREF_LOOP: TEST only Loopback interface simulating modem
38 * responses.
39 *
40 */
41enum cfcnfg_phy_preference {
42 CFPHYPREF_UNSPECIFIED,
43 CFPHYPREF_LOW_LAT,
44 CFPHYPREF_HIGH_BW,
45 CFPHYPREF_LOOP
46};
47
48/**
49 * cfcnfg_create() - Get the CAIF configuration object given network.
50 * @net: Network for the CAIF configuration object.
51 */
52struct cfcnfg *get_cfcnfg(struct net *net);
53
54/**
55 * cfcnfg_create() - Create the CAIF configuration object.
56 */
57struct cfcnfg *cfcnfg_create(void);
58
59/**
60 * cfcnfg_remove() - Remove the CFCNFG object
61 * @cfg: config object
62 */
63void cfcnfg_remove(struct cfcnfg *cfg);
64
65/**
66 * cfcnfg_add_phy_layer() - Adds a physical layer to the CAIF stack.
67 * @cnfg: Pointer to a CAIF configuration object, created by
68 * cfcnfg_create().
69 * @phy_type: Specifies the type of physical interface, e.g.
70 * CFPHYTYPE_FRAG.
71 * @dev: Pointer to link layer device
72 * @phy_layer: Specify the physical layer. The transmit function
73 * MUST be set in the structure.
74 * @pref: The phy (link layer) preference.
75 * @fcs: Specify if checksum is used in CAIF Framing Layer.
76 * @stx: Specify if Start Of Frame eXtention is used.
77 */
78
79void
80cfcnfg_add_phy_layer(struct cfcnfg *cnfg, enum cfcnfg_phy_type phy_type,
81 struct net_device *dev, struct cflayer *phy_layer,
82 enum cfcnfg_phy_preference pref,
83 bool fcs, bool stx);
84
85/**
86 * cfcnfg_del_phy_layer - Deletes an phy layer from the CAIF stack.
87 *
88 * @cnfg: Pointer to a CAIF configuration object, created by
89 * cfcnfg_create().
90 * @phy_layer: Adaptation layer to be removed.
91 */
92int cfcnfg_del_phy_layer(struct cfcnfg *cnfg, struct cflayer *phy_layer);
93
94/**
95 * cfcnfg_set_phy_state() - Set the state of the physical interface device.
96 * @cnfg: Configuration object
97 * @phy_layer: Physical Layer representation
98 * @up: State of device
99 */
100int cfcnfg_set_phy_state(struct cfcnfg *cnfg, struct cflayer *phy_layer,
101 bool up);
102
103#endif /* CFCNFG_H_ */