phy-caps.h

 1/* SPDX-License-Identifier: GPL-2.0-or-later */
 2/*
 3 * link caps internal header, for link modes <-> capabilities <-> interfaces
 4 * conversions.
 5 */
 6
 7#ifndef __PHY_CAPS_H
 8#define __PHY_CAPS_H
 9
10#include <linux/ethtool.h>
11#include <linux/phy.h>
12
13enum {
14	LINK_CAPA_10HD = 0,
15	LINK_CAPA_10FD,
16	LINK_CAPA_100HD,
17	LINK_CAPA_100FD,
18	LINK_CAPA_1000HD,
19	LINK_CAPA_1000FD,
20	LINK_CAPA_2500FD,
21	LINK_CAPA_5000FD,
22	LINK_CAPA_10000FD,
23	LINK_CAPA_20000FD,
24	LINK_CAPA_25000FD,
25	LINK_CAPA_40000FD,
26	LINK_CAPA_50000FD,
27	LINK_CAPA_56000FD,
28	LINK_CAPA_100000FD,
29	LINK_CAPA_200000FD,
30	LINK_CAPA_400000FD,
31	LINK_CAPA_800000FD,
32	LINK_CAPA_1600000FD,
33
34	__LINK_CAPA_MAX,
35};
36
37#define LINK_CAPA_ALL	GENMASK((__LINK_CAPA_MAX - 1), 0)
38
39struct link_capabilities {
40	int speed;
41	unsigned int duplex;
42	__ETHTOOL_DECLARE_LINK_MODE_MASK(linkmodes);
43};
44
45int __init phy_caps_init(void);
46
47size_t phy_caps_speeds(unsigned int *speeds, size_t size,
48		       unsigned long *linkmodes);
49void phy_caps_linkmode_max_speed(u32 max_speed, unsigned long *linkmodes);
50bool phy_caps_valid(int speed, int duplex, const unsigned long *linkmodes);
51void phy_caps_linkmodes(unsigned long caps, unsigned long *linkmodes);
52unsigned long phy_caps_from_interface(phy_interface_t interface);
53
54const struct link_capabilities *
55phy_caps_lookup_by_linkmode(const unsigned long *linkmodes);
56
57const struct link_capabilities *
58phy_caps_lookup_by_linkmode_rev(const unsigned long *linkmodes, bool fdx_only);
59
60const struct link_capabilities *
61phy_caps_lookup(int speed, unsigned int duplex, const unsigned long *supported,
62		bool exact);
63
64#endif /* __PHY_CAPS_H */