mcdi_port.c revision cd84ff4da1f46cbdc2d73366eabe9a8f818447cd
1afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings/**************************************************************************** 2f7a6d2c4427790cc8695401576dc594fcce8fc80Ben Hutchings * Driver for Solarflare network controllers and boards 3f7a6d2c4427790cc8695401576dc594fcce8fc80Ben Hutchings * Copyright 2009-2013 Solarflare Communications Inc. 4afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings * 5afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings * This program is free software; you can redistribute it and/or modify it 6afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings * under the terms of the GNU General Public License version 2 as published 7afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings * by the Free Software Foundation, incorporated herein by reference. 8afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings */ 9afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 10afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings/* 11afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings * Driver for PHY related operations via MCDI. 12afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings */ 13afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 145a0e3ad6af8660be21ca98a971cd00f331318c05Tejun Heo#include <linux/slab.h> 15afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings#include "efx.h" 16afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings#include "phy.h" 17afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings#include "mcdi.h" 18afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings#include "mcdi_pcol.h" 19affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson#include "nic.h" 20affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson#include "selftest.h" 21afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 223bd9303500b1961d15aae783f17075936026ae79Ben Hutchingsstruct efx_mcdi_phy_data { 23afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings u32 flags; 24afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings u32 type; 25afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings u32 supported_cap; 26afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings u32 channel; 27afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings u32 port; 28afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings u32 stats_mask; 29afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings u8 name[20]; 30afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings u32 media; 31afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings u32 mmd_mask; 32afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings u8 revision[20]; 33afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings u32 forced_cap; 34afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings}; 35afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 36afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchingsstatic int 373bd9303500b1961d15aae783f17075936026ae79Ben Hutchingsefx_mcdi_get_phy_cfg(struct efx_nic *efx, struct efx_mcdi_phy_data *cfg) 38afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings{ 3959cfc479b2c8ba344c8497d5c913b6cba2ce3755Ben Hutchings MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_PHY_CFG_OUT_LEN); 40afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings size_t outlen; 41afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings int rc; 42afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 43afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(MC_CMD_GET_PHY_CFG_IN_LEN != 0); 44afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(MC_CMD_GET_PHY_CFG_OUT_NAME_LEN != sizeof(cfg->name)); 45afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 46afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings rc = efx_mcdi_rpc(efx, MC_CMD_GET_PHY_CFG, NULL, 0, 47afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings outbuf, sizeof(outbuf), &outlen); 48afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (rc) 49afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings goto fail; 50afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 51afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (outlen < MC_CMD_GET_PHY_CFG_OUT_LEN) { 5200bbb4a5344a5f81cf5d48e781e5c0df3e588d17Ben Hutchings rc = -EIO; 53afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings goto fail; 54afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings } 55afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 56afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings cfg->flags = MCDI_DWORD(outbuf, GET_PHY_CFG_OUT_FLAGS); 57afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings cfg->type = MCDI_DWORD(outbuf, GET_PHY_CFG_OUT_TYPE); 58afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings cfg->supported_cap = 59afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings MCDI_DWORD(outbuf, GET_PHY_CFG_OUT_SUPPORTED_CAP); 60afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings cfg->channel = MCDI_DWORD(outbuf, GET_PHY_CFG_OUT_CHANNEL); 61afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings cfg->port = MCDI_DWORD(outbuf, GET_PHY_CFG_OUT_PRT); 62afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings cfg->stats_mask = MCDI_DWORD(outbuf, GET_PHY_CFG_OUT_STATS_MASK); 63afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings memcpy(cfg->name, MCDI_PTR(outbuf, GET_PHY_CFG_OUT_NAME), 64afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings sizeof(cfg->name)); 65afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings cfg->media = MCDI_DWORD(outbuf, GET_PHY_CFG_OUT_MEDIA_TYPE); 66afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings cfg->mmd_mask = MCDI_DWORD(outbuf, GET_PHY_CFG_OUT_MMD_MASK); 67afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings memcpy(cfg->revision, MCDI_PTR(outbuf, GET_PHY_CFG_OUT_REVISION), 68afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings sizeof(cfg->revision)); 69afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 70afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings return 0; 71afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 72afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchingsfail: 7362776d034cc40c49bafdb3551a6ba35f78e3f08dBen Hutchings netif_err(efx, hw, efx->net_dev, "%s: failed rc=%d\n", __func__, rc); 74afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings return rc; 75afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings} 76afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 77afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchingsstatic int efx_mcdi_set_link(struct efx_nic *efx, u32 capabilities, 78afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings u32 flags, u32 loopback_mode, 79afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings u32 loopback_speed) 80afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings{ 8159cfc479b2c8ba344c8497d5c913b6cba2ce3755Ben Hutchings MCDI_DECLARE_BUF(inbuf, MC_CMD_SET_LINK_IN_LEN); 82afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings int rc; 83afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 84afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(MC_CMD_SET_LINK_OUT_LEN != 0); 85afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 86afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings MCDI_SET_DWORD(inbuf, SET_LINK_IN_CAP, capabilities); 87afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings MCDI_SET_DWORD(inbuf, SET_LINK_IN_FLAGS, flags); 88afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings MCDI_SET_DWORD(inbuf, SET_LINK_IN_LOOPBACK_MODE, loopback_mode); 89afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings MCDI_SET_DWORD(inbuf, SET_LINK_IN_LOOPBACK_SPEED, loopback_speed); 90afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 91afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings rc = efx_mcdi_rpc(efx, MC_CMD_SET_LINK, inbuf, sizeof(inbuf), 92afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings NULL, 0, NULL); 93afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings return rc; 94afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings} 95afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 96afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchingsstatic int efx_mcdi_loopback_modes(struct efx_nic *efx, u64 *loopback_modes) 97afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings{ 9859cfc479b2c8ba344c8497d5c913b6cba2ce3755Ben Hutchings MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_LOOPBACK_MODES_OUT_LEN); 99afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings size_t outlen; 100afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings int rc; 101afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 102afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings rc = efx_mcdi_rpc(efx, MC_CMD_GET_LOOPBACK_MODES, NULL, 0, 103afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings outbuf, sizeof(outbuf), &outlen); 104afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (rc) 105afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings goto fail; 106afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 107f2b0befd1dd2f0b08feff8e66741d56b239af7b8Ben Hutchings if (outlen < (MC_CMD_GET_LOOPBACK_MODES_OUT_SUGGESTED_OFST + 108f2b0befd1dd2f0b08feff8e66741d56b239af7b8Ben Hutchings MC_CMD_GET_LOOPBACK_MODES_OUT_SUGGESTED_LEN)) { 10900bbb4a5344a5f81cf5d48e781e5c0df3e588d17Ben Hutchings rc = -EIO; 110afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings goto fail; 111afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings } 112afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 11305a9320f7e64b69cbf612a69b7358546519ffc30Ben Hutchings *loopback_modes = MCDI_QWORD(outbuf, GET_LOOPBACK_MODES_OUT_SUGGESTED); 114afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 115afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings return 0; 116afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 117afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchingsfail: 11862776d034cc40c49bafdb3551a6ba35f78e3f08dBen Hutchings netif_err(efx, hw, efx->net_dev, "%s: failed rc=%d\n", __func__, rc); 119afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings return rc; 120afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings} 121afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 12243f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchingsstatic int efx_mcdi_mdio_read(struct net_device *net_dev, 12343f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings int prtad, int devad, u16 addr) 124afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings{ 12543f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings struct efx_nic *efx = netdev_priv(net_dev); 12659cfc479b2c8ba344c8497d5c913b6cba2ce3755Ben Hutchings MCDI_DECLARE_BUF(inbuf, MC_CMD_MDIO_READ_IN_LEN); 12759cfc479b2c8ba344c8497d5c913b6cba2ce3755Ben Hutchings MCDI_DECLARE_BUF(outbuf, MC_CMD_MDIO_READ_OUT_LEN); 128afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings size_t outlen; 129afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings int rc; 130afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 13143f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings MCDI_SET_DWORD(inbuf, MDIO_READ_IN_BUS, efx->mdio_bus); 132afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings MCDI_SET_DWORD(inbuf, MDIO_READ_IN_PRTAD, prtad); 133afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings MCDI_SET_DWORD(inbuf, MDIO_READ_IN_DEVAD, devad); 134afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings MCDI_SET_DWORD(inbuf, MDIO_READ_IN_ADDR, addr); 135afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 136afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings rc = efx_mcdi_rpc(efx, MC_CMD_MDIO_READ, inbuf, sizeof(inbuf), 137afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings outbuf, sizeof(outbuf), &outlen); 138afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (rc) 1391e0b8120b2aef503f480b0e0182d7a7304acfb3dEdward Cree return rc; 140afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 14143f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings if (MCDI_DWORD(outbuf, MDIO_READ_OUT_STATUS) != 14243f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings MC_CMD_MDIO_STATUS_GOOD) 14343f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings return -EIO; 14443f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 14543f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings return (u16)MCDI_DWORD(outbuf, MDIO_READ_OUT_VALUE); 146afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings} 147afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 14843f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchingsstatic int efx_mcdi_mdio_write(struct net_device *net_dev, 14943f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings int prtad, int devad, u16 addr, u16 value) 150afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings{ 15143f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings struct efx_nic *efx = netdev_priv(net_dev); 15259cfc479b2c8ba344c8497d5c913b6cba2ce3755Ben Hutchings MCDI_DECLARE_BUF(inbuf, MC_CMD_MDIO_WRITE_IN_LEN); 15359cfc479b2c8ba344c8497d5c913b6cba2ce3755Ben Hutchings MCDI_DECLARE_BUF(outbuf, MC_CMD_MDIO_WRITE_OUT_LEN); 154afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings size_t outlen; 155afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings int rc; 156afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 15743f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings MCDI_SET_DWORD(inbuf, MDIO_WRITE_IN_BUS, efx->mdio_bus); 158afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings MCDI_SET_DWORD(inbuf, MDIO_WRITE_IN_PRTAD, prtad); 159afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings MCDI_SET_DWORD(inbuf, MDIO_WRITE_IN_DEVAD, devad); 160afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings MCDI_SET_DWORD(inbuf, MDIO_WRITE_IN_ADDR, addr); 161afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings MCDI_SET_DWORD(inbuf, MDIO_WRITE_IN_VALUE, value); 162afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 163afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings rc = efx_mcdi_rpc(efx, MC_CMD_MDIO_WRITE, inbuf, sizeof(inbuf), 164afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings outbuf, sizeof(outbuf), &outlen); 165afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (rc) 1661e0b8120b2aef503f480b0e0182d7a7304acfb3dEdward Cree return rc; 167afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 16843f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings if (MCDI_DWORD(outbuf, MDIO_WRITE_OUT_STATUS) != 16943f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings MC_CMD_MDIO_STATUS_GOOD) 17043f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings return -EIO; 17143f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 172afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings return 0; 173afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings} 174afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 175afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchingsstatic u32 mcdi_to_ethtool_cap(u32 media, u32 cap) 176afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings{ 177afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings u32 result = 0; 178afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 179afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings switch (media) { 180afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings case MC_CMD_MEDIA_KX4: 181afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings result |= SUPPORTED_Backplane; 182afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (cap & (1 << MC_CMD_PHY_CAP_1000FDX_LBN)) 183afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings result |= SUPPORTED_1000baseKX_Full; 184afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (cap & (1 << MC_CMD_PHY_CAP_10000FDX_LBN)) 185afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings result |= SUPPORTED_10000baseKX4_Full; 186afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings break; 187afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 188afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings case MC_CMD_MEDIA_XFP: 189afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings case MC_CMD_MEDIA_SFP_PLUS: 190afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings result |= SUPPORTED_FIBRE; 191afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings break; 192afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 193afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings case MC_CMD_MEDIA_BASE_T: 194afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings result |= SUPPORTED_TP; 195afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (cap & (1 << MC_CMD_PHY_CAP_10HDX_LBN)) 196afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings result |= SUPPORTED_10baseT_Half; 197afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (cap & (1 << MC_CMD_PHY_CAP_10FDX_LBN)) 198afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings result |= SUPPORTED_10baseT_Full; 199afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (cap & (1 << MC_CMD_PHY_CAP_100HDX_LBN)) 200afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings result |= SUPPORTED_100baseT_Half; 201afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (cap & (1 << MC_CMD_PHY_CAP_100FDX_LBN)) 202afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings result |= SUPPORTED_100baseT_Full; 203afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (cap & (1 << MC_CMD_PHY_CAP_1000HDX_LBN)) 204afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings result |= SUPPORTED_1000baseT_Half; 205afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (cap & (1 << MC_CMD_PHY_CAP_1000FDX_LBN)) 206afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings result |= SUPPORTED_1000baseT_Full; 207afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (cap & (1 << MC_CMD_PHY_CAP_10000FDX_LBN)) 208afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings result |= SUPPORTED_10000baseT_Full; 209afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings break; 210afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings } 211afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 212afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (cap & (1 << MC_CMD_PHY_CAP_PAUSE_LBN)) 213afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings result |= SUPPORTED_Pause; 214afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (cap & (1 << MC_CMD_PHY_CAP_ASYM_LBN)) 215afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings result |= SUPPORTED_Asym_Pause; 216afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (cap & (1 << MC_CMD_PHY_CAP_AN_LBN)) 217afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings result |= SUPPORTED_Autoneg; 218afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 219afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings return result; 220afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings} 221afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 222afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchingsstatic u32 ethtool_to_mcdi_cap(u32 cap) 223afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings{ 224afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings u32 result = 0; 225afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 226afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (cap & SUPPORTED_10baseT_Half) 227afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings result |= (1 << MC_CMD_PHY_CAP_10HDX_LBN); 228afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (cap & SUPPORTED_10baseT_Full) 229afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings result |= (1 << MC_CMD_PHY_CAP_10FDX_LBN); 230afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (cap & SUPPORTED_100baseT_Half) 231afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings result |= (1 << MC_CMD_PHY_CAP_100HDX_LBN); 232afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (cap & SUPPORTED_100baseT_Full) 233afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings result |= (1 << MC_CMD_PHY_CAP_100FDX_LBN); 234afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (cap & SUPPORTED_1000baseT_Half) 235afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings result |= (1 << MC_CMD_PHY_CAP_1000HDX_LBN); 236afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (cap & (SUPPORTED_1000baseT_Full | SUPPORTED_1000baseKX_Full)) 237afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings result |= (1 << MC_CMD_PHY_CAP_1000FDX_LBN); 238afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (cap & (SUPPORTED_10000baseT_Full | SUPPORTED_10000baseKX4_Full)) 239afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings result |= (1 << MC_CMD_PHY_CAP_10000FDX_LBN); 240afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (cap & SUPPORTED_Pause) 241afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings result |= (1 << MC_CMD_PHY_CAP_PAUSE_LBN); 242afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (cap & SUPPORTED_Asym_Pause) 243afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings result |= (1 << MC_CMD_PHY_CAP_ASYM_LBN); 244afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (cap & SUPPORTED_Autoneg) 245afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings result |= (1 << MC_CMD_PHY_CAP_AN_LBN); 246afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 247afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings return result; 248afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings} 249afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 250afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchingsstatic u32 efx_get_mcdi_phy_flags(struct efx_nic *efx) 251afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings{ 2523bd9303500b1961d15aae783f17075936026ae79Ben Hutchings struct efx_mcdi_phy_data *phy_cfg = efx->phy_data; 253afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings enum efx_phy_mode mode, supported; 254afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings u32 flags; 255afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 256afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings /* TODO: Advertise the capabilities supported by this PHY */ 257afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings supported = 0; 25805a9320f7e64b69cbf612a69b7358546519ffc30Ben Hutchings if (phy_cfg->flags & (1 << MC_CMD_GET_PHY_CFG_OUT_TXDIS_LBN)) 259afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings supported |= PHY_MODE_TX_DISABLED; 26005a9320f7e64b69cbf612a69b7358546519ffc30Ben Hutchings if (phy_cfg->flags & (1 << MC_CMD_GET_PHY_CFG_OUT_LOWPOWER_LBN)) 261afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings supported |= PHY_MODE_LOW_POWER; 26205a9320f7e64b69cbf612a69b7358546519ffc30Ben Hutchings if (phy_cfg->flags & (1 << MC_CMD_GET_PHY_CFG_OUT_POWEROFF_LBN)) 263afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings supported |= PHY_MODE_OFF; 264afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 265afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings mode = efx->phy_mode & supported; 266afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 267afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings flags = 0; 268afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (mode & PHY_MODE_TX_DISABLED) 26905a9320f7e64b69cbf612a69b7358546519ffc30Ben Hutchings flags |= (1 << MC_CMD_SET_LINK_IN_TXDIS_LBN); 270afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (mode & PHY_MODE_LOW_POWER) 27105a9320f7e64b69cbf612a69b7358546519ffc30Ben Hutchings flags |= (1 << MC_CMD_SET_LINK_IN_LOWPOWER_LBN); 272afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (mode & PHY_MODE_OFF) 27305a9320f7e64b69cbf612a69b7358546519ffc30Ben Hutchings flags |= (1 << MC_CMD_SET_LINK_IN_POWEROFF_LBN); 274afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 275afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings return flags; 276afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings} 277afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 278afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchingsstatic u32 mcdi_to_ethtool_media(u32 media) 279afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings{ 280afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings switch (media) { 281afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings case MC_CMD_MEDIA_XAUI: 282afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings case MC_CMD_MEDIA_CX4: 283afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings case MC_CMD_MEDIA_KX4: 284afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings return PORT_OTHER; 285afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 286afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings case MC_CMD_MEDIA_XFP: 287afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings case MC_CMD_MEDIA_SFP_PLUS: 288afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings return PORT_FIBRE; 289afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 290afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings case MC_CMD_MEDIA_BASE_T: 291afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings return PORT_TP; 292afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 293afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings default: 294afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings return PORT_OTHER; 295afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings } 296afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings} 297afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 29843f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchingsstatic void efx_mcdi_phy_decode_link(struct efx_nic *efx, 29943f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings struct efx_link_state *link_state, 30043f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings u32 speed, u32 flags, u32 fcntl) 30143f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings{ 30243f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings switch (fcntl) { 30343f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings case MC_CMD_FCNTL_AUTO: 30443f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings WARN_ON(1); /* This is not a link mode */ 30543f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings link_state->fc = EFX_FC_AUTO | EFX_FC_TX | EFX_FC_RX; 30643f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings break; 30743f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings case MC_CMD_FCNTL_BIDIR: 30843f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings link_state->fc = EFX_FC_TX | EFX_FC_RX; 30943f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings break; 31043f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings case MC_CMD_FCNTL_RESPOND: 31143f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings link_state->fc = EFX_FC_RX; 31243f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings break; 31343f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings default: 31443f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings WARN_ON(1); 31543f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings case MC_CMD_FCNTL_OFF: 31643f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings link_state->fc = 0; 31743f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings break; 31843f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings } 31943f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 32043f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings link_state->up = !!(flags & (1 << MC_CMD_GET_LINK_OUT_LINK_UP_LBN)); 32143f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings link_state->fd = !!(flags & (1 << MC_CMD_GET_LINK_OUT_FULL_DUPLEX_LBN)); 32243f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings link_state->speed = speed; 32343f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings} 32443f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 325afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchingsstatic int efx_mcdi_phy_probe(struct efx_nic *efx) 326afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings{ 3273bd9303500b1961d15aae783f17075936026ae79Ben Hutchings struct efx_mcdi_phy_data *phy_data; 32859cfc479b2c8ba344c8497d5c913b6cba2ce3755Ben Hutchings MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_LINK_OUT_LEN); 329ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson u32 caps; 330afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings int rc; 331afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 332ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson /* Initialise and populate phy_data */ 333ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson phy_data = kzalloc(sizeof(*phy_data), GFP_KERNEL); 334ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson if (phy_data == NULL) 335ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson return -ENOMEM; 336ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson 337ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson rc = efx_mcdi_get_phy_cfg(efx, phy_data); 338afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (rc != 0) 339afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings goto fail; 340afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 341ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson /* Read initial link advertisement */ 342ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson BUILD_BUG_ON(MC_CMD_GET_LINK_IN_LEN != 0); 343ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson rc = efx_mcdi_rpc(efx, MC_CMD_GET_LINK, NULL, 0, 344ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson outbuf, sizeof(outbuf), NULL); 345ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson if (rc) 346ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson goto fail; 347ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson 348ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson /* Fill out nic state */ 349ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson efx->phy_data = phy_data; 350ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson efx->phy_type = phy_data->type; 351afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 352ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson efx->mdio_bus = phy_data->channel; 353ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson efx->mdio.prtad = phy_data->port; 354ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson efx->mdio.mmds = phy_data->mmd_mask & ~(1 << MC_CMD_MMD_CLAUSE22); 355afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings efx->mdio.mode_support = 0; 356ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson if (phy_data->mmd_mask & (1 << MC_CMD_MMD_CLAUSE22)) 357afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings efx->mdio.mode_support |= MDIO_SUPPORTS_C22; 358ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson if (phy_data->mmd_mask & ~(1 << MC_CMD_MMD_CLAUSE22)) 359afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings efx->mdio.mode_support |= MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22; 360afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 361ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson caps = MCDI_DWORD(outbuf, GET_LINK_OUT_CAP); 362ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson if (caps & (1 << MC_CMD_PHY_CAP_AN_LBN)) 363ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson efx->link_advertising = 364ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson mcdi_to_ethtool_cap(phy_data->media, caps); 365ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson else 366ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson phy_data->forced_cap = caps; 367ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson 368afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings /* Assert that we can map efx -> mcdi loopback modes */ 369afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(LOOPBACK_NONE != MC_CMD_LOOPBACK_NONE); 370afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(LOOPBACK_DATA != MC_CMD_LOOPBACK_DATA); 371afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(LOOPBACK_GMAC != MC_CMD_LOOPBACK_GMAC); 372afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(LOOPBACK_XGMII != MC_CMD_LOOPBACK_XGMII); 373afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(LOOPBACK_XGXS != MC_CMD_LOOPBACK_XGXS); 374afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(LOOPBACK_XAUI != MC_CMD_LOOPBACK_XAUI); 375afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(LOOPBACK_GMII != MC_CMD_LOOPBACK_GMII); 376afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(LOOPBACK_SGMII != MC_CMD_LOOPBACK_SGMII); 377afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(LOOPBACK_XGBR != MC_CMD_LOOPBACK_XGBR); 378afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(LOOPBACK_XFI != MC_CMD_LOOPBACK_XFI); 379afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(LOOPBACK_XAUI_FAR != MC_CMD_LOOPBACK_XAUI_FAR); 380afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(LOOPBACK_GMII_FAR != MC_CMD_LOOPBACK_GMII_FAR); 381afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(LOOPBACK_SGMII_FAR != MC_CMD_LOOPBACK_SGMII_FAR); 382afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(LOOPBACK_XFI_FAR != MC_CMD_LOOPBACK_XFI_FAR); 383afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(LOOPBACK_GPHY != MC_CMD_LOOPBACK_GPHY); 384afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(LOOPBACK_PHYXS != MC_CMD_LOOPBACK_PHYXS); 385afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(LOOPBACK_PCS != MC_CMD_LOOPBACK_PCS); 386afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(LOOPBACK_PMAPMD != MC_CMD_LOOPBACK_PMAPMD); 387afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(LOOPBACK_XPORT != MC_CMD_LOOPBACK_XPORT); 388afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(LOOPBACK_XGMII_WS != MC_CMD_LOOPBACK_XGMII_WS); 389afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(LOOPBACK_XAUI_WS != MC_CMD_LOOPBACK_XAUI_WS); 390afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(LOOPBACK_XAUI_WS_FAR != MC_CMD_LOOPBACK_XAUI_WS_FAR); 391afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(LOOPBACK_XAUI_WS_NEAR != MC_CMD_LOOPBACK_XAUI_WS_NEAR); 392afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(LOOPBACK_GMII_WS != MC_CMD_LOOPBACK_GMII_WS); 393afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(LOOPBACK_XFI_WS != MC_CMD_LOOPBACK_XFI_WS); 394afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(LOOPBACK_XFI_WS_FAR != MC_CMD_LOOPBACK_XFI_WS_FAR); 395afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(LOOPBACK_PHYXS_WS != MC_CMD_LOOPBACK_PHYXS_WS); 396afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 397afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings rc = efx_mcdi_loopback_modes(efx, &efx->loopback_modes); 398afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (rc != 0) 399afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings goto fail; 400afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings /* The MC indicates that LOOPBACK_NONE is a valid loopback mode, 401afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings * but by convention we don't */ 402afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings efx->loopback_modes &= ~(1 << LOOPBACK_NONE); 403afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 4047a6b8f6f7f74085a1330b0f9765d81bcea8c58b7Steve Hodgson /* Set the initial link mode */ 4057a6b8f6f7f74085a1330b0f9765d81bcea8c58b7Steve Hodgson efx_mcdi_phy_decode_link( 4067a6b8f6f7f74085a1330b0f9765d81bcea8c58b7Steve Hodgson efx, &efx->link_state, 4077a6b8f6f7f74085a1330b0f9765d81bcea8c58b7Steve Hodgson MCDI_DWORD(outbuf, GET_LINK_OUT_LINK_SPEED), 4087a6b8f6f7f74085a1330b0f9765d81bcea8c58b7Steve Hodgson MCDI_DWORD(outbuf, GET_LINK_OUT_FLAGS), 4097a6b8f6f7f74085a1330b0f9765d81bcea8c58b7Steve Hodgson MCDI_DWORD(outbuf, GET_LINK_OUT_FCNTL)); 4107a6b8f6f7f74085a1330b0f9765d81bcea8c58b7Steve Hodgson 4117a6b8f6f7f74085a1330b0f9765d81bcea8c58b7Steve Hodgson /* Default to Autonegotiated flow control if the PHY supports it */ 4127a6b8f6f7f74085a1330b0f9765d81bcea8c58b7Steve Hodgson efx->wanted_fc = EFX_FC_RX | EFX_FC_TX; 4137a6b8f6f7f74085a1330b0f9765d81bcea8c58b7Steve Hodgson if (phy_data->supported_cap & (1 << MC_CMD_PHY_CAP_AN_LBN)) 4147a6b8f6f7f74085a1330b0f9765d81bcea8c58b7Steve Hodgson efx->wanted_fc |= EFX_FC_AUTO; 415cffe9d4cdafdffa840abeb55c50fd2df2d7b0cdbSteve Hodgson efx_link_set_wanted_fc(efx, efx->wanted_fc); 4167a6b8f6f7f74085a1330b0f9765d81bcea8c58b7Steve Hodgson 417afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings return 0; 418afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 419afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchingsfail: 420afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings kfree(phy_data); 421afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings return rc; 422afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings} 423afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 42443f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchingsint efx_mcdi_port_reconfigure(struct efx_nic *efx) 425afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings{ 4263bd9303500b1961d15aae783f17075936026ae79Ben Hutchings struct efx_mcdi_phy_data *phy_cfg = efx->phy_data; 427afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings u32 caps = (efx->link_advertising ? 428afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings ethtool_to_mcdi_cap(efx->link_advertising) : 429afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings phy_cfg->forced_cap); 430afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 431afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings return efx_mcdi_set_link(efx, caps, efx_get_mcdi_phy_flags(efx), 432afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings efx->loopback_mode, 0); 433afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings} 434afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 435afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings/* Verify that the forced flow control settings (!EFX_FC_AUTO) are 436afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings * supported by the link partner. Warn the user if this isn't the case 437afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings */ 43843f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchingsstatic void efx_mcdi_phy_check_fcntl(struct efx_nic *efx, u32 lpa) 439afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings{ 4403bd9303500b1961d15aae783f17075936026ae79Ben Hutchings struct efx_mcdi_phy_data *phy_cfg = efx->phy_data; 441afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings u32 rmtadv; 442afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 44325985edcedea6396277003854657b5f3cb31a628Lucas De Marchi /* The link partner capabilities are only relevant if the 444afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings * link supports flow control autonegotiation */ 4457a6b8f6f7f74085a1330b0f9765d81bcea8c58b7Steve Hodgson if (~phy_cfg->supported_cap & (1 << MC_CMD_PHY_CAP_AN_LBN)) 446afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings return; 447afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 448afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings /* If flow control autoneg is supported and enabled, then fine */ 449afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (efx->wanted_fc & EFX_FC_AUTO) 450afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings return; 451afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 452afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings rmtadv = 0; 453afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (lpa & (1 << MC_CMD_PHY_CAP_PAUSE_LBN)) 454afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings rmtadv |= ADVERTISED_Pause; 455afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (lpa & (1 << MC_CMD_PHY_CAP_ASYM_LBN)) 456afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings rmtadv |= ADVERTISED_Asym_Pause; 457afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 458afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if ((efx->wanted_fc & EFX_FC_TX) && rmtadv == ADVERTISED_Asym_Pause) 45962776d034cc40c49bafdb3551a6ba35f78e3f08dBen Hutchings netif_err(efx, link, efx->net_dev, 46062776d034cc40c49bafdb3551a6ba35f78e3f08dBen Hutchings "warning: link partner doesn't support pause frames"); 461afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings} 462afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 463afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchingsstatic bool efx_mcdi_phy_poll(struct efx_nic *efx) 464afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings{ 465afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings struct efx_link_state old_state = efx->link_state; 46659cfc479b2c8ba344c8497d5c913b6cba2ce3755Ben Hutchings MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_LINK_OUT_LEN); 467afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings int rc; 468afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 469afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings WARN_ON(!mutex_is_locked(&efx->mac_lock)); 470afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 471afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(MC_CMD_GET_LINK_IN_LEN != 0); 472afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 473afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings rc = efx_mcdi_rpc(efx, MC_CMD_GET_LINK, NULL, 0, 474afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings outbuf, sizeof(outbuf), NULL); 4751e0b8120b2aef503f480b0e0182d7a7304acfb3dEdward Cree if (rc) 476afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings efx->link_state.up = false; 4771e0b8120b2aef503f480b0e0182d7a7304acfb3dEdward Cree else 478afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings efx_mcdi_phy_decode_link( 479afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings efx, &efx->link_state, 480afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings MCDI_DWORD(outbuf, GET_LINK_OUT_LINK_SPEED), 481afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings MCDI_DWORD(outbuf, GET_LINK_OUT_FLAGS), 482afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings MCDI_DWORD(outbuf, GET_LINK_OUT_FCNTL)); 483afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 484afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings return !efx_link_state_equal(&efx->link_state, &old_state); 485afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings} 486afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 487ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgsonstatic void efx_mcdi_phy_remove(struct efx_nic *efx) 488afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings{ 489afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings struct efx_mcdi_phy_data *phy_data = efx->phy_data; 490afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 491afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings efx->phy_data = NULL; 492afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings kfree(phy_data); 493afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings} 494afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 495afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchingsstatic void efx_mcdi_phy_get_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd) 496afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings{ 4973bd9303500b1961d15aae783f17075936026ae79Ben Hutchings struct efx_mcdi_phy_data *phy_cfg = efx->phy_data; 49859cfc479b2c8ba344c8497d5c913b6cba2ce3755Ben Hutchings MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_LINK_OUT_LEN); 499afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings int rc; 500afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 501afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings ecmd->supported = 502afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings mcdi_to_ethtool_cap(phy_cfg->media, phy_cfg->supported_cap); 503afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings ecmd->advertising = efx->link_advertising; 504707394972093e2056e1e8cc39be19cf9bcb3e7b3David Decotigny ethtool_cmd_speed_set(ecmd, efx->link_state.speed); 505afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings ecmd->duplex = efx->link_state.fd; 506afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings ecmd->port = mcdi_to_ethtool_media(phy_cfg->media); 507afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings ecmd->phy_address = phy_cfg->port; 508afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings ecmd->transceiver = XCVR_INTERNAL; 509afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings ecmd->autoneg = !!(efx->link_advertising & ADVERTISED_Autoneg); 510afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings ecmd->mdio_support = (efx->mdio.mode_support & 511afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings (MDIO_SUPPORTS_C45 | MDIO_SUPPORTS_C22)); 512afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 513afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(MC_CMD_GET_LINK_IN_LEN != 0); 514afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings rc = efx_mcdi_rpc(efx, MC_CMD_GET_LINK, NULL, 0, 515afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings outbuf, sizeof(outbuf), NULL); 5161e0b8120b2aef503f480b0e0182d7a7304acfb3dEdward Cree if (rc) 517afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings return; 518afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings ecmd->lp_advertising = 519afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings mcdi_to_ethtool_cap(phy_cfg->media, 520afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings MCDI_DWORD(outbuf, GET_LINK_OUT_LP_CAP)); 521afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings} 522afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 523afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchingsstatic int efx_mcdi_phy_set_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd) 524afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings{ 5253bd9303500b1961d15aae783f17075936026ae79Ben Hutchings struct efx_mcdi_phy_data *phy_cfg = efx->phy_data; 526afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings u32 caps; 527afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings int rc; 528afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 529afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (ecmd->autoneg) { 530afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings caps = (ethtool_to_mcdi_cap(ecmd->advertising) | 531afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 1 << MC_CMD_PHY_CAP_AN_LBN); 532afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings } else if (ecmd->duplex) { 53325db0338813a8915457636b1f6abe6a28fa73f8dDavid Decotigny switch (ethtool_cmd_speed(ecmd)) { 534afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings case 10: caps = 1 << MC_CMD_PHY_CAP_10FDX_LBN; break; 535afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings case 100: caps = 1 << MC_CMD_PHY_CAP_100FDX_LBN; break; 536afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings case 1000: caps = 1 << MC_CMD_PHY_CAP_1000FDX_LBN; break; 537afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings case 10000: caps = 1 << MC_CMD_PHY_CAP_10000FDX_LBN; break; 5389a12a30627f76f839e81beba243371a60a5aa1dbBen Hutchings case 40000: caps = 1 << MC_CMD_PHY_CAP_40000FDX_LBN; break; 539afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings default: return -EINVAL; 540afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings } 541afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings } else { 54225db0338813a8915457636b1f6abe6a28fa73f8dDavid Decotigny switch (ethtool_cmd_speed(ecmd)) { 543afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings case 10: caps = 1 << MC_CMD_PHY_CAP_10HDX_LBN; break; 544afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings case 100: caps = 1 << MC_CMD_PHY_CAP_100HDX_LBN; break; 545afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings case 1000: caps = 1 << MC_CMD_PHY_CAP_1000HDX_LBN; break; 546afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings default: return -EINVAL; 547afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings } 548afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings } 549afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 550afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings rc = efx_mcdi_set_link(efx, caps, efx_get_mcdi_phy_flags(efx), 551afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings efx->loopback_mode, 0); 552afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (rc) 553afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings return rc; 554afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 555afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (ecmd->autoneg) { 556afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings efx_link_set_advertising( 557afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings efx, ecmd->advertising | ADVERTISED_Autoneg); 558afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings phy_cfg->forced_cap = 0; 559afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings } else { 560afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings efx_link_set_advertising(efx, 0); 561afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings phy_cfg->forced_cap = caps; 562afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings } 563afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings return 0; 564afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings} 565afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 5664f16c0739145476ba37a7fa9eea0c33850efc2ceBen Hutchingsstatic int efx_mcdi_phy_test_alive(struct efx_nic *efx) 5674f16c0739145476ba37a7fa9eea0c33850efc2ceBen Hutchings{ 56859cfc479b2c8ba344c8497d5c913b6cba2ce3755Ben Hutchings MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_PHY_STATE_OUT_LEN); 5694f16c0739145476ba37a7fa9eea0c33850efc2ceBen Hutchings size_t outlen; 5704f16c0739145476ba37a7fa9eea0c33850efc2ceBen Hutchings int rc; 5714f16c0739145476ba37a7fa9eea0c33850efc2ceBen Hutchings 5724f16c0739145476ba37a7fa9eea0c33850efc2ceBen Hutchings BUILD_BUG_ON(MC_CMD_GET_PHY_STATE_IN_LEN != 0); 5734f16c0739145476ba37a7fa9eea0c33850efc2ceBen Hutchings 5744f16c0739145476ba37a7fa9eea0c33850efc2ceBen Hutchings rc = efx_mcdi_rpc(efx, MC_CMD_GET_PHY_STATE, NULL, 0, 5754f16c0739145476ba37a7fa9eea0c33850efc2ceBen Hutchings outbuf, sizeof(outbuf), &outlen); 5764f16c0739145476ba37a7fa9eea0c33850efc2ceBen Hutchings if (rc) 5774f16c0739145476ba37a7fa9eea0c33850efc2ceBen Hutchings return rc; 5784f16c0739145476ba37a7fa9eea0c33850efc2ceBen Hutchings 5794f16c0739145476ba37a7fa9eea0c33850efc2ceBen Hutchings if (outlen < MC_CMD_GET_PHY_STATE_OUT_LEN) 58000bbb4a5344a5f81cf5d48e781e5c0df3e588d17Ben Hutchings return -EIO; 58105a9320f7e64b69cbf612a69b7358546519ffc30Ben Hutchings if (MCDI_DWORD(outbuf, GET_PHY_STATE_OUT_STATE) != MC_CMD_PHY_STATE_OK) 5824f16c0739145476ba37a7fa9eea0c33850efc2ceBen Hutchings return -EINVAL; 5834f16c0739145476ba37a7fa9eea0c33850efc2ceBen Hutchings 5844f16c0739145476ba37a7fa9eea0c33850efc2ceBen Hutchings return 0; 5854f16c0739145476ba37a7fa9eea0c33850efc2ceBen Hutchings} 5864f16c0739145476ba37a7fa9eea0c33850efc2ceBen Hutchings 587affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgsonstatic const char *const mcdi_sft9001_cable_diag_names[] = { 588affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson "cable.pairA.length", 589affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson "cable.pairB.length", 590affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson "cable.pairC.length", 591affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson "cable.pairD.length", 592affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson "cable.pairA.status", 593affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson "cable.pairB.status", 594affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson "cable.pairC.status", 595affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson "cable.pairD.status", 596affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson}; 597affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson 598affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgsonstatic int efx_mcdi_bist(struct efx_nic *efx, unsigned int bist_mode, 599affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson int *results) 600affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson{ 601affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson unsigned int retry, i, count = 0; 602affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson size_t outlen; 603affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson u32 status; 604c5bb0e9891ba1f7c871adc09d9ef727e1c0c1c1eBen Hutchings MCDI_DECLARE_BUF(inbuf, MC_CMD_START_BIST_IN_LEN); 605c5bb0e9891ba1f7c871adc09d9ef727e1c0c1c1eBen Hutchings MCDI_DECLARE_BUF(outbuf, MC_CMD_POLL_BIST_OUT_SFT9001_LEN); 606c5bb0e9891ba1f7c871adc09d9ef727e1c0c1c1eBen Hutchings u8 *ptr; 607affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson int rc; 608affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson 609affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson BUILD_BUG_ON(MC_CMD_START_BIST_OUT_LEN != 0); 610c5bb0e9891ba1f7c871adc09d9ef727e1c0c1c1eBen Hutchings MCDI_SET_DWORD(inbuf, START_BIST_IN_TYPE, bist_mode); 611c5bb0e9891ba1f7c871adc09d9ef727e1c0c1c1eBen Hutchings rc = efx_mcdi_rpc(efx, MC_CMD_START_BIST, 612c5bb0e9891ba1f7c871adc09d9ef727e1c0c1c1eBen Hutchings inbuf, MC_CMD_START_BIST_IN_LEN, NULL, 0, NULL); 613affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson if (rc) 614affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson goto out; 615affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson 616affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson /* Wait up to 10s for BIST to finish */ 617affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson for (retry = 0; retry < 100; ++retry) { 618affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson BUILD_BUG_ON(MC_CMD_POLL_BIST_IN_LEN != 0); 619affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson rc = efx_mcdi_rpc(efx, MC_CMD_POLL_BIST, NULL, 0, 620c5bb0e9891ba1f7c871adc09d9ef727e1c0c1c1eBen Hutchings outbuf, sizeof(outbuf), &outlen); 621affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson if (rc) 622affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson goto out; 623affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson 624c5bb0e9891ba1f7c871adc09d9ef727e1c0c1c1eBen Hutchings status = MCDI_DWORD(outbuf, POLL_BIST_OUT_RESULT); 625affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson if (status != MC_CMD_POLL_BIST_RUNNING) 626affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson goto finished; 627affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson 628affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson msleep(100); 629affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson } 630affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson 631affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson rc = -ETIMEDOUT; 632affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson goto out; 633affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson 634affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgsonfinished: 635affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson results[count++] = (status == MC_CMD_POLL_BIST_PASSED) ? 1 : -1; 636affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson 637affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson /* SFT9001 specific cable diagnostics output */ 638affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson if (efx->phy_type == PHY_TYPE_SFT9001B && 639affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson (bist_mode == MC_CMD_PHY_BIST_CABLE_SHORT || 640affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson bist_mode == MC_CMD_PHY_BIST_CABLE_LONG)) { 641c5bb0e9891ba1f7c871adc09d9ef727e1c0c1c1eBen Hutchings ptr = MCDI_PTR(outbuf, POLL_BIST_OUT_SFT9001_CABLE_LENGTH_A); 642affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson if (status == MC_CMD_POLL_BIST_PASSED && 643affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson outlen >= MC_CMD_POLL_BIST_OUT_SFT9001_LEN) { 644affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson for (i = 0; i < 8; i++) { 645affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson results[count + i] = 646affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson EFX_DWORD_FIELD(((efx_dword_t *)ptr)[i], 647affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson EFX_DWORD_0); 648affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson } 649affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson } 650affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson count += 8; 651affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson } 652affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson rc = count; 653affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson 654affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgsonout: 655affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson return rc; 656affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson} 657affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson 658affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgsonstatic int efx_mcdi_phy_run_tests(struct efx_nic *efx, int *results, 659affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson unsigned flags) 660affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson{ 6613bd9303500b1961d15aae783f17075936026ae79Ben Hutchings struct efx_mcdi_phy_data *phy_cfg = efx->phy_data; 662affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson u32 mode; 663affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson int rc; 664affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson 66505a9320f7e64b69cbf612a69b7358546519ffc30Ben Hutchings if (phy_cfg->flags & (1 << MC_CMD_GET_PHY_CFG_OUT_BIST_LBN)) { 666affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson rc = efx_mcdi_bist(efx, MC_CMD_PHY_BIST, results); 667affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson if (rc < 0) 668affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson return rc; 669affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson 670affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson results += rc; 671affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson } 672affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson 673affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson /* If we support both LONG and SHORT, then run each in response to 674affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson * break or not. Otherwise, run the one we support */ 675affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson mode = 0; 67605a9320f7e64b69cbf612a69b7358546519ffc30Ben Hutchings if (phy_cfg->flags & (1 << MC_CMD_GET_PHY_CFG_OUT_BIST_CABLE_SHORT_LBN)) { 677affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson if ((flags & ETH_TEST_FL_OFFLINE) && 678affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson (phy_cfg->flags & 67905a9320f7e64b69cbf612a69b7358546519ffc30Ben Hutchings (1 << MC_CMD_GET_PHY_CFG_OUT_BIST_CABLE_LONG_LBN))) 680affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson mode = MC_CMD_PHY_BIST_CABLE_LONG; 681affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson else 682affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson mode = MC_CMD_PHY_BIST_CABLE_SHORT; 683affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson } else if (phy_cfg->flags & 68405a9320f7e64b69cbf612a69b7358546519ffc30Ben Hutchings (1 << MC_CMD_GET_PHY_CFG_OUT_BIST_CABLE_LONG_LBN)) 685affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson mode = MC_CMD_PHY_BIST_CABLE_LONG; 686affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson 687affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson if (mode != 0) { 688affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson rc = efx_mcdi_bist(efx, mode, results); 689affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson if (rc < 0) 690affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson return rc; 691affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson results += rc; 692affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson } 693affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson 694affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson return 0; 695affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson} 696affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson 697d215697fe14a0c5a96765c6279b4751e632587a5stephen hemmingerstatic const char *efx_mcdi_phy_test_name(struct efx_nic *efx, 698d215697fe14a0c5a96765c6279b4751e632587a5stephen hemminger unsigned int index) 699affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson{ 7003bd9303500b1961d15aae783f17075936026ae79Ben Hutchings struct efx_mcdi_phy_data *phy_cfg = efx->phy_data; 701affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson 70205a9320f7e64b69cbf612a69b7358546519ffc30Ben Hutchings if (phy_cfg->flags & (1 << MC_CMD_GET_PHY_CFG_OUT_BIST_LBN)) { 703affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson if (index == 0) 704affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson return "bist"; 705affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson --index; 706affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson } 707affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson 70805a9320f7e64b69cbf612a69b7358546519ffc30Ben Hutchings if (phy_cfg->flags & ((1 << MC_CMD_GET_PHY_CFG_OUT_BIST_CABLE_SHORT_LBN) | 70905a9320f7e64b69cbf612a69b7358546519ffc30Ben Hutchings (1 << MC_CMD_GET_PHY_CFG_OUT_BIST_CABLE_LONG_LBN))) { 710affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson if (index == 0) 711affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson return "cable"; 712affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson --index; 713affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson 714affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson if (efx->phy_type == PHY_TYPE_SFT9001B) { 715affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson if (index < ARRAY_SIZE(mcdi_sft9001_cable_diag_names)) 716affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson return mcdi_sft9001_cable_diag_names[index]; 717affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson index -= ARRAY_SIZE(mcdi_sft9001_cable_diag_names); 718affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson } 719affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson } 720affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson 721affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson return NULL; 722affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson} 723affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson 724c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson#define SFP_PAGE_SIZE 128 725c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson#define SFP_NUM_PAGES 2 726c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgsonstatic int efx_mcdi_phy_get_module_eeprom(struct efx_nic *efx, 727c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson struct ethtool_eeprom *ee, u8 *data) 728c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson{ 72959cfc479b2c8ba344c8497d5c913b6cba2ce3755Ben Hutchings MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_PHY_MEDIA_INFO_OUT_LENMAX); 73059cfc479b2c8ba344c8497d5c913b6cba2ce3755Ben Hutchings MCDI_DECLARE_BUF(inbuf, MC_CMD_GET_PHY_MEDIA_INFO_IN_LEN); 731c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson size_t outlen; 732c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson int rc; 733c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson unsigned int payload_len; 734c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson unsigned int space_remaining = ee->len; 735c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson unsigned int page; 736c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson unsigned int page_off; 737c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson unsigned int to_copy; 738c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson u8 *user_data = data; 739c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson 740c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson BUILD_BUG_ON(SFP_PAGE_SIZE * SFP_NUM_PAGES != ETH_MODULE_SFF_8079_LEN); 741c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson 742c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson page_off = ee->offset % SFP_PAGE_SIZE; 743c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson page = ee->offset / SFP_PAGE_SIZE; 744c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson 745c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson while (space_remaining && (page < SFP_NUM_PAGES)) { 746c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson MCDI_SET_DWORD(inbuf, GET_PHY_MEDIA_INFO_IN_PAGE, page); 747c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson 748c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson rc = efx_mcdi_rpc(efx, MC_CMD_GET_PHY_MEDIA_INFO, 749c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson inbuf, sizeof(inbuf), 750c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson outbuf, sizeof(outbuf), 751c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson &outlen); 752c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson if (rc) 753c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson return rc; 754c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson 755c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson if (outlen < (MC_CMD_GET_PHY_MEDIA_INFO_OUT_DATA_OFST + 756c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson SFP_PAGE_SIZE)) 757c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson return -EIO; 758c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson 759c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson payload_len = MCDI_DWORD(outbuf, 760c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson GET_PHY_MEDIA_INFO_OUT_DATALEN); 761c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson if (payload_len != SFP_PAGE_SIZE) 762c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson return -EIO; 763c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson 764c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson /* Copy as much as we can into data */ 765c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson payload_len -= page_off; 766c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson to_copy = (space_remaining < payload_len) ? 767c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson space_remaining : payload_len; 768c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson 769c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson memcpy(user_data, 770c5bb0e9891ba1f7c871adc09d9ef727e1c0c1c1eBen Hutchings MCDI_PTR(outbuf, GET_PHY_MEDIA_INFO_OUT_DATA) + page_off, 771c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson to_copy); 772c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson 773c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson space_remaining -= to_copy; 774c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson user_data += to_copy; 775c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson page_off = 0; 776c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson page++; 777c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson } 778c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson 779c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson return 0; 780c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson} 781c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson 782c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgsonstatic int efx_mcdi_phy_get_module_info(struct efx_nic *efx, 783c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson struct ethtool_modinfo *modinfo) 784c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson{ 785c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson struct efx_mcdi_phy_data *phy_cfg = efx->phy_data; 786c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson 787c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson switch (phy_cfg->media) { 788c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson case MC_CMD_MEDIA_SFP_PLUS: 789c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson modinfo->type = ETH_MODULE_SFF_8079; 790c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; 791c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson return 0; 792c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson default: 793c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson return -EOPNOTSUPP; 794c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson } 795c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson} 796c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson 79743f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchingsstatic const struct efx_phy_operations efx_mcdi_phy_ops = { 798afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings .probe = efx_mcdi_phy_probe, 7999c636baf8518d0f986004b40669b75506459beacBen Hutchings .init = efx_port_dummy_op_int, 80043f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings .reconfigure = efx_mcdi_port_reconfigure, 801afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings .poll = efx_mcdi_phy_poll, 802ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson .fini = efx_port_dummy_op_void, 803ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson .remove = efx_mcdi_phy_remove, 804afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings .get_settings = efx_mcdi_phy_get_settings, 805afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings .set_settings = efx_mcdi_phy_set_settings, 8064f16c0739145476ba37a7fa9eea0c33850efc2ceBen Hutchings .test_alive = efx_mcdi_phy_test_alive, 807affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson .run_tests = efx_mcdi_phy_run_tests, 808affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson .test_name = efx_mcdi_phy_test_name, 809c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson .get_module_eeprom = efx_mcdi_phy_get_module_eeprom, 810c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson .get_module_info = efx_mcdi_phy_get_module_info, 811afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings}; 81243f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 8138127d661e77f5ec410093bce411f540afa34593fBen Hutchingsu32 efx_mcdi_phy_get_caps(struct efx_nic *efx) 8148127d661e77f5ec410093bce411f540afa34593fBen Hutchings{ 8158127d661e77f5ec410093bce411f540afa34593fBen Hutchings struct efx_mcdi_phy_data *phy_data = efx->phy_data; 8168127d661e77f5ec410093bce411f540afa34593fBen Hutchings 8178127d661e77f5ec410093bce411f540afa34593fBen Hutchings return phy_data->supported_cap; 8188127d661e77f5ec410093bce411f540afa34593fBen Hutchings} 8198127d661e77f5ec410093bce411f540afa34593fBen Hutchings 82043f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchingsstatic unsigned int efx_mcdi_event_link_speed[] = { 82143f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings [MCDI_EVENT_LINKCHANGE_SPEED_100M] = 100, 82243f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings [MCDI_EVENT_LINKCHANGE_SPEED_1G] = 1000, 82343f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings [MCDI_EVENT_LINKCHANGE_SPEED_10G] = 10000, 8249a12a30627f76f839e81beba243371a60a5aa1dbBen Hutchings [MCDI_EVENT_LINKCHANGE_SPEED_40G] = 40000, 82543f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings}; 82643f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 82743f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchingsvoid efx_mcdi_process_link_change(struct efx_nic *efx, efx_qword_t *ev) 82843f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings{ 82943f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings u32 flags, fcntl, speed, lpa; 83043f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 83143f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings speed = EFX_QWORD_FIELD(*ev, MCDI_EVENT_LINKCHANGE_SPEED); 83243f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings EFX_BUG_ON_PARANOID(speed >= ARRAY_SIZE(efx_mcdi_event_link_speed)); 83343f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings speed = efx_mcdi_event_link_speed[speed]; 83443f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 83543f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings flags = EFX_QWORD_FIELD(*ev, MCDI_EVENT_LINKCHANGE_LINK_FLAGS); 83643f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings fcntl = EFX_QWORD_FIELD(*ev, MCDI_EVENT_LINKCHANGE_FCNTL); 83743f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings lpa = EFX_QWORD_FIELD(*ev, MCDI_EVENT_LINKCHANGE_LP_CAP); 83843f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 83943f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings /* efx->link_state is only modified by efx_mcdi_phy_get_link(), 84043f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings * which is only run after flushing the event queues. Therefore, it 84143f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings * is safe to modify the link state outside of the mac_lock here. 84243f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings */ 84343f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings efx_mcdi_phy_decode_link(efx, &efx->link_state, speed, flags, fcntl); 84443f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 84543f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings efx_mcdi_phy_check_fcntl(efx, lpa); 84643f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 84743f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings efx_link_status_changed(efx); 84843f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings} 84943f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 85043f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchingsint efx_mcdi_set_mac(struct efx_nic *efx) 85143f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings{ 852964e61355e94905e4234839d4b41678998d617b7Ben Hutchings u32 fcntl; 85343f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings MCDI_DECLARE_BUF(cmdbytes, MC_CMD_SET_MAC_IN_LEN); 85443f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 85543f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings BUILD_BUG_ON(MC_CMD_SET_MAC_OUT_LEN != 0); 85643f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 857cd84ff4da1f46cbdc2d73366eabe9a8f818447cdEdward Cree ether_addr_copy(MCDI_PTR(cmdbytes, SET_MAC_IN_ADDR), 858cd84ff4da1f46cbdc2d73366eabe9a8f818447cdEdward Cree efx->net_dev->dev_addr); 85943f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 86043f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings MCDI_SET_DWORD(cmdbytes, SET_MAC_IN_MTU, 86143f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings EFX_MAX_FRAME_LEN(efx->net_dev->mtu)); 86243f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings MCDI_SET_DWORD(cmdbytes, SET_MAC_IN_DRAIN, 0); 86343f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 864964e61355e94905e4234839d4b41678998d617b7Ben Hutchings /* Set simple MAC filter for Siena */ 865964e61355e94905e4234839d4b41678998d617b7Ben Hutchings MCDI_POPULATE_DWORD_1(cmdbytes, SET_MAC_IN_REJECT, 866964e61355e94905e4234839d4b41678998d617b7Ben Hutchings SET_MAC_IN_REJECT_UNCST, efx->unicast_filter); 86743f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 86843f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings switch (efx->wanted_fc) { 86943f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings case EFX_FC_RX | EFX_FC_TX: 87043f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings fcntl = MC_CMD_FCNTL_BIDIR; 87143f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings break; 87243f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings case EFX_FC_RX: 87343f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings fcntl = MC_CMD_FCNTL_RESPOND; 87443f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings break; 87543f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings default: 87643f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings fcntl = MC_CMD_FCNTL_OFF; 87743f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings break; 87843f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings } 87943f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings if (efx->wanted_fc & EFX_FC_AUTO) 88043f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings fcntl = MC_CMD_FCNTL_AUTO; 88143f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings if (efx->fc_disable) 88243f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings fcntl = MC_CMD_FCNTL_OFF; 88343f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 88443f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings MCDI_SET_DWORD(cmdbytes, SET_MAC_IN_FCNTL, fcntl); 88543f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 88643f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings return efx_mcdi_rpc(efx, MC_CMD_SET_MAC, cmdbytes, sizeof(cmdbytes), 88743f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings NULL, 0, NULL); 88843f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings} 88943f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 89043f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchingsbool efx_mcdi_mac_check_fault(struct efx_nic *efx) 89143f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings{ 89243f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_LINK_OUT_LEN); 89343f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings size_t outlength; 89443f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings int rc; 89543f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 89643f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings BUILD_BUG_ON(MC_CMD_GET_LINK_IN_LEN != 0); 89743f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 89843f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings rc = efx_mcdi_rpc(efx, MC_CMD_GET_LINK, NULL, 0, 89943f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings outbuf, sizeof(outbuf), &outlength); 9001e0b8120b2aef503f480b0e0182d7a7304acfb3dEdward Cree if (rc) 90143f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings return true; 90243f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 90343f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings return MCDI_DWORD(outbuf, GET_LINK_OUT_MAC_FAULT) != 0; 90443f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings} 90543f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 906f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooperenum efx_stats_action { 907f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper EFX_STATS_ENABLE, 908f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper EFX_STATS_DISABLE, 909f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper EFX_STATS_PULL, 910f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper}; 911f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper 912f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooperstatic int efx_mcdi_mac_stats(struct efx_nic *efx, 913f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper enum efx_stats_action action, int clear) 91443f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings{ 91543f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings MCDI_DECLARE_BUF(inbuf, MC_CMD_MAC_STATS_IN_LEN); 91643f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings int rc; 917f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper int change = action == EFX_STATS_PULL ? 0 : 1; 918f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper int enable = action == EFX_STATS_ENABLE ? 1 : 0; 919f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper int period = action == EFX_STATS_ENABLE ? 1000 : 0; 920f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper dma_addr_t dma_addr = efx->stats_buffer.dma_addr; 921f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper u32 dma_len = action != EFX_STATS_DISABLE ? 922f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper MC_CMD_MAC_NSTATS * sizeof(u64) : 0; 92343f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 92443f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings BUILD_BUG_ON(MC_CMD_MAC_STATS_OUT_DMA_LEN != 0); 92543f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 92643f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings MCDI_SET_QWORD(inbuf, MAC_STATS_IN_DMA_ADDR, dma_addr); 927f5253d92567b193c6aa137a08e7bb3b06fafc985Ben Hutchings MCDI_POPULATE_DWORD_7(inbuf, MAC_STATS_IN_CMD, 928f5253d92567b193c6aa137a08e7bb3b06fafc985Ben Hutchings MAC_STATS_IN_DMA, !!enable, 929f5253d92567b193c6aa137a08e7bb3b06fafc985Ben Hutchings MAC_STATS_IN_CLEAR, clear, 930f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper MAC_STATS_IN_PERIODIC_CHANGE, change, 931f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper MAC_STATS_IN_PERIODIC_ENABLE, enable, 932f5253d92567b193c6aa137a08e7bb3b06fafc985Ben Hutchings MAC_STATS_IN_PERIODIC_CLEAR, 0, 933f5253d92567b193c6aa137a08e7bb3b06fafc985Ben Hutchings MAC_STATS_IN_PERIODIC_NOEVENT, 1, 934f5253d92567b193c6aa137a08e7bb3b06fafc985Ben Hutchings MAC_STATS_IN_PERIOD_MS, period); 93543f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings MCDI_SET_DWORD(inbuf, MAC_STATS_IN_DMA_LEN, dma_len); 93643f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 93743f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings rc = efx_mcdi_rpc(efx, MC_CMD_MAC_STATS, inbuf, sizeof(inbuf), 93843f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings NULL, 0, NULL); 93943f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings return rc; 94043f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings} 94143f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 94243f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchingsvoid efx_mcdi_mac_start_stats(struct efx_nic *efx) 94343f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings{ 94443f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings __le64 *dma_stats = efx->stats_buffer.addr; 94543f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 94643f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings dma_stats[MC_CMD_MAC_GENERATION_END] = EFX_MC_STATS_GENERATION_INVALID; 94743f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 948f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper efx_mcdi_mac_stats(efx, EFX_STATS_ENABLE, 0); 94943f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings} 95043f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 95143f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchingsvoid efx_mcdi_mac_stop_stats(struct efx_nic *efx) 95243f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings{ 953f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper efx_mcdi_mac_stats(efx, EFX_STATS_DISABLE, 0); 954f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper} 955f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper 956f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper#define EFX_MAC_STATS_WAIT_US 100 957f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper#define EFX_MAC_STATS_WAIT_ATTEMPTS 10 958f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper 959f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Coopervoid efx_mcdi_mac_pull_stats(struct efx_nic *efx) 960f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper{ 961f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper __le64 *dma_stats = efx->stats_buffer.addr; 962f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper int attempts = EFX_MAC_STATS_WAIT_ATTEMPTS; 963f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper 964f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper dma_stats[MC_CMD_MAC_GENERATION_END] = EFX_MC_STATS_GENERATION_INVALID; 965f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper efx_mcdi_mac_stats(efx, EFX_STATS_PULL, 0); 966f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper 967f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper while (dma_stats[MC_CMD_MAC_GENERATION_END] == 968f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper EFX_MC_STATS_GENERATION_INVALID && 969f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper attempts-- != 0) 970f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper udelay(EFX_MAC_STATS_WAIT_US); 97143f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings} 97243f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 97343f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchingsint efx_mcdi_port_probe(struct efx_nic *efx) 97443f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings{ 97543f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings int rc; 97643f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 97743f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings /* Hook in PHY operations table */ 97843f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings efx->phy_op = &efx_mcdi_phy_ops; 97943f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 98043f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings /* Set up MDIO structure for PHY */ 98143f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings efx->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22; 98243f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings efx->mdio.mdio_read = efx_mcdi_mdio_read; 98343f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings efx->mdio.mdio_write = efx_mcdi_mdio_write; 98443f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 98543f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings /* Fill out MDIO structure, loopback modes, and initial link state */ 98643f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings rc = efx->phy_op->probe(efx); 98743f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings if (rc != 0) 98843f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings return rc; 98943f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 99043f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings /* Allocate buffer for stats */ 99143f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings rc = efx_nic_alloc_buffer(efx, &efx->stats_buffer, 9920d19a540beb78493cd5acb7428760af0dc1ea154Ben Hutchings MC_CMD_MAC_NSTATS * sizeof(u64), GFP_KERNEL); 99343f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings if (rc) 99443f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings return rc; 99543f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings netif_dbg(efx, probe, efx->net_dev, 99643f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings "stats buffer at %llx (virt %p phys %llx)\n", 99743f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings (u64)efx->stats_buffer.dma_addr, 99843f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings efx->stats_buffer.addr, 99943f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings (u64)virt_to_phys(efx->stats_buffer.addr)); 100043f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 1001f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper efx_mcdi_mac_stats(efx, EFX_STATS_DISABLE, 1); 100243f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 100343f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings return 0; 100443f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings} 100543f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 100643f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchingsvoid efx_mcdi_port_remove(struct efx_nic *efx) 100743f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings{ 100843f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings efx->phy_op->remove(efx); 100943f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings efx_nic_free_buffer(efx, &efx->stats_buffer); 101043f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings} 10118127d661e77f5ec410093bce411f540afa34593fBen Hutchings 10128127d661e77f5ec410093bce411f540afa34593fBen Hutchings/* Get physical port number (EF10 only; on Siena it is same as PF number) */ 10138127d661e77f5ec410093bce411f540afa34593fBen Hutchingsint efx_mcdi_port_get_number(struct efx_nic *efx) 10148127d661e77f5ec410093bce411f540afa34593fBen Hutchings{ 10158127d661e77f5ec410093bce411f540afa34593fBen Hutchings MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_PORT_ASSIGNMENT_OUT_LEN); 10168127d661e77f5ec410093bce411f540afa34593fBen Hutchings int rc; 10178127d661e77f5ec410093bce411f540afa34593fBen Hutchings 10188127d661e77f5ec410093bce411f540afa34593fBen Hutchings rc = efx_mcdi_rpc(efx, MC_CMD_GET_PORT_ASSIGNMENT, NULL, 0, 10198127d661e77f5ec410093bce411f540afa34593fBen Hutchings outbuf, sizeof(outbuf), NULL); 10208127d661e77f5ec410093bce411f540afa34593fBen Hutchings if (rc) 10218127d661e77f5ec410093bce411f540afa34593fBen Hutchings return rc; 10228127d661e77f5ec410093bce411f540afa34593fBen Hutchings 10238127d661e77f5ec410093bce411f540afa34593fBen Hutchings return MCDI_DWORD(outbuf, GET_PORT_ASSIGNMENT_OUT_PORT); 10248127d661e77f5ec410093bce411f540afa34593fBen Hutchings} 1025