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 13 enum { 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 39 struct link_capabilities { 40 int speed; 41 unsigned int duplex; 42 __ETHTOOL_DECLARE_LINK_MODE_MASK(linkmodes); 43 }; 44 45 int __init phy_caps_init(void); 46 47 size_t phy_caps_speeds(unsigned int *speeds, size_t size, 48 unsigned long *linkmodes); 49 void phy_caps_linkmode_max_speed(u32 max_speed, unsigned long *linkmodes); 50 bool phy_caps_valid(int speed, int duplex, const unsigned long *linkmodes); 51 void phy_caps_linkmodes(unsigned long caps, unsigned long *linkmodes); 52 unsigned long phy_caps_from_interface(phy_interface_t interface); 53 54 const struct link_capabilities * 55 phy_caps_lookup_by_linkmode(const unsigned long *linkmodes); 56 57 const struct link_capabilities * 58 phy_caps_lookup_by_linkmode_rev(const unsigned long *linkmodes, bool fdx_only); 59 60 const struct link_capabilities * 61 phy_caps_lookup(int speed, unsigned int duplex, const unsigned long *supported, 62 bool exact); 63 64 #endif /* __PHY_CAPS_H */ 65