mcdi_port.c revision f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4af
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 if (rc) 94afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings goto fail; 95afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 96afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings return 0; 97afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 98afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchingsfail: 9962776d034cc40c49bafdb3551a6ba35f78e3f08dBen Hutchings netif_err(efx, hw, efx->net_dev, "%s: failed rc=%d\n", __func__, rc); 100afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings return rc; 101afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings} 102afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 103afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchingsstatic int efx_mcdi_loopback_modes(struct efx_nic *efx, u64 *loopback_modes) 104afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings{ 10559cfc479b2c8ba344c8497d5c913b6cba2ce3755Ben Hutchings MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_LOOPBACK_MODES_OUT_LEN); 106afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings size_t outlen; 107afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings int rc; 108afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 109afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings rc = efx_mcdi_rpc(efx, MC_CMD_GET_LOOPBACK_MODES, NULL, 0, 110afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings outbuf, sizeof(outbuf), &outlen); 111afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (rc) 112afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings goto fail; 113afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 114f2b0befd1dd2f0b08feff8e66741d56b239af7b8Ben Hutchings if (outlen < (MC_CMD_GET_LOOPBACK_MODES_OUT_SUGGESTED_OFST + 115f2b0befd1dd2f0b08feff8e66741d56b239af7b8Ben Hutchings MC_CMD_GET_LOOPBACK_MODES_OUT_SUGGESTED_LEN)) { 11600bbb4a5344a5f81cf5d48e781e5c0df3e588d17Ben Hutchings rc = -EIO; 117afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings goto fail; 118afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings } 119afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 12005a9320f7e64b69cbf612a69b7358546519ffc30Ben Hutchings *loopback_modes = MCDI_QWORD(outbuf, GET_LOOPBACK_MODES_OUT_SUGGESTED); 121afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 122afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings return 0; 123afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 124afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchingsfail: 12562776d034cc40c49bafdb3551a6ba35f78e3f08dBen Hutchings netif_err(efx, hw, efx->net_dev, "%s: failed rc=%d\n", __func__, rc); 126afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings return rc; 127afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings} 128afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 12943f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchingsstatic int efx_mcdi_mdio_read(struct net_device *net_dev, 13043f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings int prtad, int devad, u16 addr) 131afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings{ 13243f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings struct efx_nic *efx = netdev_priv(net_dev); 13359cfc479b2c8ba344c8497d5c913b6cba2ce3755Ben Hutchings MCDI_DECLARE_BUF(inbuf, MC_CMD_MDIO_READ_IN_LEN); 13459cfc479b2c8ba344c8497d5c913b6cba2ce3755Ben Hutchings MCDI_DECLARE_BUF(outbuf, MC_CMD_MDIO_READ_OUT_LEN); 135afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings size_t outlen; 136afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings int rc; 137afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 13843f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings MCDI_SET_DWORD(inbuf, MDIO_READ_IN_BUS, efx->mdio_bus); 139afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings MCDI_SET_DWORD(inbuf, MDIO_READ_IN_PRTAD, prtad); 140afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings MCDI_SET_DWORD(inbuf, MDIO_READ_IN_DEVAD, devad); 141afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings MCDI_SET_DWORD(inbuf, MDIO_READ_IN_ADDR, addr); 142afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 143afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings rc = efx_mcdi_rpc(efx, MC_CMD_MDIO_READ, inbuf, sizeof(inbuf), 144afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings outbuf, sizeof(outbuf), &outlen); 145afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (rc) 146afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings goto fail; 147afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 14843f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings if (MCDI_DWORD(outbuf, MDIO_READ_OUT_STATUS) != 14943f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings MC_CMD_MDIO_STATUS_GOOD) 15043f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings return -EIO; 15143f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 15243f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings return (u16)MCDI_DWORD(outbuf, MDIO_READ_OUT_VALUE); 153afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 154afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchingsfail: 15562776d034cc40c49bafdb3551a6ba35f78e3f08dBen Hutchings netif_err(efx, hw, efx->net_dev, "%s: failed rc=%d\n", __func__, rc); 156afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings return rc; 157afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings} 158afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 15943f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchingsstatic int efx_mcdi_mdio_write(struct net_device *net_dev, 16043f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings int prtad, int devad, u16 addr, u16 value) 161afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings{ 16243f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings struct efx_nic *efx = netdev_priv(net_dev); 16359cfc479b2c8ba344c8497d5c913b6cba2ce3755Ben Hutchings MCDI_DECLARE_BUF(inbuf, MC_CMD_MDIO_WRITE_IN_LEN); 16459cfc479b2c8ba344c8497d5c913b6cba2ce3755Ben Hutchings MCDI_DECLARE_BUF(outbuf, MC_CMD_MDIO_WRITE_OUT_LEN); 165afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings size_t outlen; 166afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings int rc; 167afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 16843f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings MCDI_SET_DWORD(inbuf, MDIO_WRITE_IN_BUS, efx->mdio_bus); 169afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings MCDI_SET_DWORD(inbuf, MDIO_WRITE_IN_PRTAD, prtad); 170afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings MCDI_SET_DWORD(inbuf, MDIO_WRITE_IN_DEVAD, devad); 171afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings MCDI_SET_DWORD(inbuf, MDIO_WRITE_IN_ADDR, addr); 172afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings MCDI_SET_DWORD(inbuf, MDIO_WRITE_IN_VALUE, value); 173afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 174afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings rc = efx_mcdi_rpc(efx, MC_CMD_MDIO_WRITE, inbuf, sizeof(inbuf), 175afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings outbuf, sizeof(outbuf), &outlen); 176afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (rc) 177afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings goto fail; 178afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 17943f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings if (MCDI_DWORD(outbuf, MDIO_WRITE_OUT_STATUS) != 18043f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings MC_CMD_MDIO_STATUS_GOOD) 18143f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings return -EIO; 18243f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 183afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings return 0; 184afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 185afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchingsfail: 18662776d034cc40c49bafdb3551a6ba35f78e3f08dBen Hutchings netif_err(efx, hw, efx->net_dev, "%s: failed rc=%d\n", __func__, rc); 187afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings return rc; 188afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings} 189afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 190afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchingsstatic u32 mcdi_to_ethtool_cap(u32 media, u32 cap) 191afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings{ 192afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings u32 result = 0; 193afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 194afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings switch (media) { 195afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings case MC_CMD_MEDIA_KX4: 196afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings result |= SUPPORTED_Backplane; 197afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (cap & (1 << MC_CMD_PHY_CAP_1000FDX_LBN)) 198afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings result |= SUPPORTED_1000baseKX_Full; 199afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (cap & (1 << MC_CMD_PHY_CAP_10000FDX_LBN)) 200afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings result |= SUPPORTED_10000baseKX4_Full; 201afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings break; 202afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 203afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings case MC_CMD_MEDIA_XFP: 204afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings case MC_CMD_MEDIA_SFP_PLUS: 205afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings result |= SUPPORTED_FIBRE; 206afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings break; 207afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 208afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings case MC_CMD_MEDIA_BASE_T: 209afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings result |= SUPPORTED_TP; 210afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (cap & (1 << MC_CMD_PHY_CAP_10HDX_LBN)) 211afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings result |= SUPPORTED_10baseT_Half; 212afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (cap & (1 << MC_CMD_PHY_CAP_10FDX_LBN)) 213afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings result |= SUPPORTED_10baseT_Full; 214afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (cap & (1 << MC_CMD_PHY_CAP_100HDX_LBN)) 215afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings result |= SUPPORTED_100baseT_Half; 216afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (cap & (1 << MC_CMD_PHY_CAP_100FDX_LBN)) 217afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings result |= SUPPORTED_100baseT_Full; 218afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (cap & (1 << MC_CMD_PHY_CAP_1000HDX_LBN)) 219afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings result |= SUPPORTED_1000baseT_Half; 220afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (cap & (1 << MC_CMD_PHY_CAP_1000FDX_LBN)) 221afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings result |= SUPPORTED_1000baseT_Full; 222afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (cap & (1 << MC_CMD_PHY_CAP_10000FDX_LBN)) 223afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings result |= SUPPORTED_10000baseT_Full; 224afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings break; 225afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings } 226afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 227afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (cap & (1 << MC_CMD_PHY_CAP_PAUSE_LBN)) 228afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings result |= SUPPORTED_Pause; 229afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (cap & (1 << MC_CMD_PHY_CAP_ASYM_LBN)) 230afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings result |= SUPPORTED_Asym_Pause; 231afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (cap & (1 << MC_CMD_PHY_CAP_AN_LBN)) 232afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings result |= SUPPORTED_Autoneg; 233afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 234afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings return result; 235afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings} 236afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 237afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchingsstatic u32 ethtool_to_mcdi_cap(u32 cap) 238afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings{ 239afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings u32 result = 0; 240afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 241afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (cap & SUPPORTED_10baseT_Half) 242afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings result |= (1 << MC_CMD_PHY_CAP_10HDX_LBN); 243afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (cap & SUPPORTED_10baseT_Full) 244afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings result |= (1 << MC_CMD_PHY_CAP_10FDX_LBN); 245afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (cap & SUPPORTED_100baseT_Half) 246afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings result |= (1 << MC_CMD_PHY_CAP_100HDX_LBN); 247afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (cap & SUPPORTED_100baseT_Full) 248afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings result |= (1 << MC_CMD_PHY_CAP_100FDX_LBN); 249afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (cap & SUPPORTED_1000baseT_Half) 250afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings result |= (1 << MC_CMD_PHY_CAP_1000HDX_LBN); 251afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (cap & (SUPPORTED_1000baseT_Full | SUPPORTED_1000baseKX_Full)) 252afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings result |= (1 << MC_CMD_PHY_CAP_1000FDX_LBN); 253afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (cap & (SUPPORTED_10000baseT_Full | SUPPORTED_10000baseKX4_Full)) 254afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings result |= (1 << MC_CMD_PHY_CAP_10000FDX_LBN); 255afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (cap & SUPPORTED_Pause) 256afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings result |= (1 << MC_CMD_PHY_CAP_PAUSE_LBN); 257afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (cap & SUPPORTED_Asym_Pause) 258afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings result |= (1 << MC_CMD_PHY_CAP_ASYM_LBN); 259afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (cap & SUPPORTED_Autoneg) 260afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings result |= (1 << MC_CMD_PHY_CAP_AN_LBN); 261afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 262afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings return result; 263afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings} 264afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 265afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchingsstatic u32 efx_get_mcdi_phy_flags(struct efx_nic *efx) 266afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings{ 2673bd9303500b1961d15aae783f17075936026ae79Ben Hutchings struct efx_mcdi_phy_data *phy_cfg = efx->phy_data; 268afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings enum efx_phy_mode mode, supported; 269afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings u32 flags; 270afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 271afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings /* TODO: Advertise the capabilities supported by this PHY */ 272afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings supported = 0; 27305a9320f7e64b69cbf612a69b7358546519ffc30Ben Hutchings if (phy_cfg->flags & (1 << MC_CMD_GET_PHY_CFG_OUT_TXDIS_LBN)) 274afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings supported |= PHY_MODE_TX_DISABLED; 27505a9320f7e64b69cbf612a69b7358546519ffc30Ben Hutchings if (phy_cfg->flags & (1 << MC_CMD_GET_PHY_CFG_OUT_LOWPOWER_LBN)) 276afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings supported |= PHY_MODE_LOW_POWER; 27705a9320f7e64b69cbf612a69b7358546519ffc30Ben Hutchings if (phy_cfg->flags & (1 << MC_CMD_GET_PHY_CFG_OUT_POWEROFF_LBN)) 278afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings supported |= PHY_MODE_OFF; 279afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 280afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings mode = efx->phy_mode & supported; 281afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 282afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings flags = 0; 283afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (mode & PHY_MODE_TX_DISABLED) 28405a9320f7e64b69cbf612a69b7358546519ffc30Ben Hutchings flags |= (1 << MC_CMD_SET_LINK_IN_TXDIS_LBN); 285afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (mode & PHY_MODE_LOW_POWER) 28605a9320f7e64b69cbf612a69b7358546519ffc30Ben Hutchings flags |= (1 << MC_CMD_SET_LINK_IN_LOWPOWER_LBN); 287afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (mode & PHY_MODE_OFF) 28805a9320f7e64b69cbf612a69b7358546519ffc30Ben Hutchings flags |= (1 << MC_CMD_SET_LINK_IN_POWEROFF_LBN); 289afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 290afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings return flags; 291afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings} 292afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 293afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchingsstatic u32 mcdi_to_ethtool_media(u32 media) 294afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings{ 295afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings switch (media) { 296afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings case MC_CMD_MEDIA_XAUI: 297afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings case MC_CMD_MEDIA_CX4: 298afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings case MC_CMD_MEDIA_KX4: 299afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings return PORT_OTHER; 300afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 301afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings case MC_CMD_MEDIA_XFP: 302afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings case MC_CMD_MEDIA_SFP_PLUS: 303afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings return PORT_FIBRE; 304afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 305afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings case MC_CMD_MEDIA_BASE_T: 306afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings return PORT_TP; 307afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 308afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings default: 309afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings return PORT_OTHER; 310afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings } 311afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings} 312afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 31343f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchingsstatic void efx_mcdi_phy_decode_link(struct efx_nic *efx, 31443f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings struct efx_link_state *link_state, 31543f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings u32 speed, u32 flags, u32 fcntl) 31643f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings{ 31743f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings switch (fcntl) { 31843f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings case MC_CMD_FCNTL_AUTO: 31943f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings WARN_ON(1); /* This is not a link mode */ 32043f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings link_state->fc = EFX_FC_AUTO | EFX_FC_TX | EFX_FC_RX; 32143f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings break; 32243f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings case MC_CMD_FCNTL_BIDIR: 32343f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings link_state->fc = EFX_FC_TX | EFX_FC_RX; 32443f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings break; 32543f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings case MC_CMD_FCNTL_RESPOND: 32643f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings link_state->fc = EFX_FC_RX; 32743f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings break; 32843f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings default: 32943f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings WARN_ON(1); 33043f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings case MC_CMD_FCNTL_OFF: 33143f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings link_state->fc = 0; 33243f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings break; 33343f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings } 33443f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 33543f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings link_state->up = !!(flags & (1 << MC_CMD_GET_LINK_OUT_LINK_UP_LBN)); 33643f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings link_state->fd = !!(flags & (1 << MC_CMD_GET_LINK_OUT_FULL_DUPLEX_LBN)); 33743f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings link_state->speed = speed; 33843f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings} 33943f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 340afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchingsstatic int efx_mcdi_phy_probe(struct efx_nic *efx) 341afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings{ 3423bd9303500b1961d15aae783f17075936026ae79Ben Hutchings struct efx_mcdi_phy_data *phy_data; 34359cfc479b2c8ba344c8497d5c913b6cba2ce3755Ben Hutchings MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_LINK_OUT_LEN); 344ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson u32 caps; 345afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings int rc; 346afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 347ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson /* Initialise and populate phy_data */ 348ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson phy_data = kzalloc(sizeof(*phy_data), GFP_KERNEL); 349ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson if (phy_data == NULL) 350ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson return -ENOMEM; 351ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson 352ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson rc = efx_mcdi_get_phy_cfg(efx, phy_data); 353afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (rc != 0) 354afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings goto fail; 355afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 356ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson /* Read initial link advertisement */ 357ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson BUILD_BUG_ON(MC_CMD_GET_LINK_IN_LEN != 0); 358ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson rc = efx_mcdi_rpc(efx, MC_CMD_GET_LINK, NULL, 0, 359ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson outbuf, sizeof(outbuf), NULL); 360ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson if (rc) 361ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson goto fail; 362ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson 363ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson /* Fill out nic state */ 364ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson efx->phy_data = phy_data; 365ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson efx->phy_type = phy_data->type; 366afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 367ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson efx->mdio_bus = phy_data->channel; 368ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson efx->mdio.prtad = phy_data->port; 369ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson efx->mdio.mmds = phy_data->mmd_mask & ~(1 << MC_CMD_MMD_CLAUSE22); 370afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings efx->mdio.mode_support = 0; 371ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson if (phy_data->mmd_mask & (1 << MC_CMD_MMD_CLAUSE22)) 372afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings efx->mdio.mode_support |= MDIO_SUPPORTS_C22; 373ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson if (phy_data->mmd_mask & ~(1 << MC_CMD_MMD_CLAUSE22)) 374afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings efx->mdio.mode_support |= MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22; 375afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 376ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson caps = MCDI_DWORD(outbuf, GET_LINK_OUT_CAP); 377ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson if (caps & (1 << MC_CMD_PHY_CAP_AN_LBN)) 378ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson efx->link_advertising = 379ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson mcdi_to_ethtool_cap(phy_data->media, caps); 380ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson else 381ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson phy_data->forced_cap = caps; 382ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson 383afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings /* Assert that we can map efx -> mcdi loopback modes */ 384afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(LOOPBACK_NONE != MC_CMD_LOOPBACK_NONE); 385afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(LOOPBACK_DATA != MC_CMD_LOOPBACK_DATA); 386afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(LOOPBACK_GMAC != MC_CMD_LOOPBACK_GMAC); 387afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(LOOPBACK_XGMII != MC_CMD_LOOPBACK_XGMII); 388afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(LOOPBACK_XGXS != MC_CMD_LOOPBACK_XGXS); 389afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(LOOPBACK_XAUI != MC_CMD_LOOPBACK_XAUI); 390afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(LOOPBACK_GMII != MC_CMD_LOOPBACK_GMII); 391afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(LOOPBACK_SGMII != MC_CMD_LOOPBACK_SGMII); 392afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(LOOPBACK_XGBR != MC_CMD_LOOPBACK_XGBR); 393afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(LOOPBACK_XFI != MC_CMD_LOOPBACK_XFI); 394afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(LOOPBACK_XAUI_FAR != MC_CMD_LOOPBACK_XAUI_FAR); 395afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(LOOPBACK_GMII_FAR != MC_CMD_LOOPBACK_GMII_FAR); 396afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(LOOPBACK_SGMII_FAR != MC_CMD_LOOPBACK_SGMII_FAR); 397afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(LOOPBACK_XFI_FAR != MC_CMD_LOOPBACK_XFI_FAR); 398afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(LOOPBACK_GPHY != MC_CMD_LOOPBACK_GPHY); 399afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(LOOPBACK_PHYXS != MC_CMD_LOOPBACK_PHYXS); 400afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(LOOPBACK_PCS != MC_CMD_LOOPBACK_PCS); 401afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(LOOPBACK_PMAPMD != MC_CMD_LOOPBACK_PMAPMD); 402afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(LOOPBACK_XPORT != MC_CMD_LOOPBACK_XPORT); 403afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(LOOPBACK_XGMII_WS != MC_CMD_LOOPBACK_XGMII_WS); 404afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(LOOPBACK_XAUI_WS != MC_CMD_LOOPBACK_XAUI_WS); 405afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(LOOPBACK_XAUI_WS_FAR != MC_CMD_LOOPBACK_XAUI_WS_FAR); 406afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(LOOPBACK_XAUI_WS_NEAR != MC_CMD_LOOPBACK_XAUI_WS_NEAR); 407afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(LOOPBACK_GMII_WS != MC_CMD_LOOPBACK_GMII_WS); 408afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(LOOPBACK_XFI_WS != MC_CMD_LOOPBACK_XFI_WS); 409afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(LOOPBACK_XFI_WS_FAR != MC_CMD_LOOPBACK_XFI_WS_FAR); 410afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(LOOPBACK_PHYXS_WS != MC_CMD_LOOPBACK_PHYXS_WS); 411afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 412afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings rc = efx_mcdi_loopback_modes(efx, &efx->loopback_modes); 413afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (rc != 0) 414afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings goto fail; 415afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings /* The MC indicates that LOOPBACK_NONE is a valid loopback mode, 416afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings * but by convention we don't */ 417afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings efx->loopback_modes &= ~(1 << LOOPBACK_NONE); 418afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 4197a6b8f6f7f74085a1330b0f9765d81bcea8c58b7Steve Hodgson /* Set the initial link mode */ 4207a6b8f6f7f74085a1330b0f9765d81bcea8c58b7Steve Hodgson efx_mcdi_phy_decode_link( 4217a6b8f6f7f74085a1330b0f9765d81bcea8c58b7Steve Hodgson efx, &efx->link_state, 4227a6b8f6f7f74085a1330b0f9765d81bcea8c58b7Steve Hodgson MCDI_DWORD(outbuf, GET_LINK_OUT_LINK_SPEED), 4237a6b8f6f7f74085a1330b0f9765d81bcea8c58b7Steve Hodgson MCDI_DWORD(outbuf, GET_LINK_OUT_FLAGS), 4247a6b8f6f7f74085a1330b0f9765d81bcea8c58b7Steve Hodgson MCDI_DWORD(outbuf, GET_LINK_OUT_FCNTL)); 4257a6b8f6f7f74085a1330b0f9765d81bcea8c58b7Steve Hodgson 4267a6b8f6f7f74085a1330b0f9765d81bcea8c58b7Steve Hodgson /* Default to Autonegotiated flow control if the PHY supports it */ 4277a6b8f6f7f74085a1330b0f9765d81bcea8c58b7Steve Hodgson efx->wanted_fc = EFX_FC_RX | EFX_FC_TX; 4287a6b8f6f7f74085a1330b0f9765d81bcea8c58b7Steve Hodgson if (phy_data->supported_cap & (1 << MC_CMD_PHY_CAP_AN_LBN)) 4297a6b8f6f7f74085a1330b0f9765d81bcea8c58b7Steve Hodgson efx->wanted_fc |= EFX_FC_AUTO; 430cffe9d4cdafdffa840abeb55c50fd2df2d7b0cdbSteve Hodgson efx_link_set_wanted_fc(efx, efx->wanted_fc); 4317a6b8f6f7f74085a1330b0f9765d81bcea8c58b7Steve Hodgson 432afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings return 0; 433afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 434afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchingsfail: 435afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings kfree(phy_data); 436afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings return rc; 437afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings} 438afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 43943f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchingsint efx_mcdi_port_reconfigure(struct efx_nic *efx) 440afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings{ 4413bd9303500b1961d15aae783f17075936026ae79Ben Hutchings struct efx_mcdi_phy_data *phy_cfg = efx->phy_data; 442afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings u32 caps = (efx->link_advertising ? 443afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings ethtool_to_mcdi_cap(efx->link_advertising) : 444afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings phy_cfg->forced_cap); 445afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 446afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings return efx_mcdi_set_link(efx, caps, efx_get_mcdi_phy_flags(efx), 447afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings efx->loopback_mode, 0); 448afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings} 449afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 450afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings/* Verify that the forced flow control settings (!EFX_FC_AUTO) are 451afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings * supported by the link partner. Warn the user if this isn't the case 452afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings */ 45343f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchingsstatic void efx_mcdi_phy_check_fcntl(struct efx_nic *efx, u32 lpa) 454afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings{ 4553bd9303500b1961d15aae783f17075936026ae79Ben Hutchings struct efx_mcdi_phy_data *phy_cfg = efx->phy_data; 456afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings u32 rmtadv; 457afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 45825985edcedea6396277003854657b5f3cb31a628Lucas De Marchi /* The link partner capabilities are only relevant if the 459afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings * link supports flow control autonegotiation */ 4607a6b8f6f7f74085a1330b0f9765d81bcea8c58b7Steve Hodgson if (~phy_cfg->supported_cap & (1 << MC_CMD_PHY_CAP_AN_LBN)) 461afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings return; 462afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 463afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings /* If flow control autoneg is supported and enabled, then fine */ 464afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (efx->wanted_fc & EFX_FC_AUTO) 465afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings return; 466afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 467afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings rmtadv = 0; 468afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (lpa & (1 << MC_CMD_PHY_CAP_PAUSE_LBN)) 469afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings rmtadv |= ADVERTISED_Pause; 470afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (lpa & (1 << MC_CMD_PHY_CAP_ASYM_LBN)) 471afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings rmtadv |= ADVERTISED_Asym_Pause; 472afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 473afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if ((efx->wanted_fc & EFX_FC_TX) && rmtadv == ADVERTISED_Asym_Pause) 47462776d034cc40c49bafdb3551a6ba35f78e3f08dBen Hutchings netif_err(efx, link, efx->net_dev, 47562776d034cc40c49bafdb3551a6ba35f78e3f08dBen Hutchings "warning: link partner doesn't support pause frames"); 476afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings} 477afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 478afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchingsstatic bool efx_mcdi_phy_poll(struct efx_nic *efx) 479afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings{ 480afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings struct efx_link_state old_state = efx->link_state; 48159cfc479b2c8ba344c8497d5c913b6cba2ce3755Ben Hutchings MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_LINK_OUT_LEN); 482afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings int rc; 483afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 484afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings WARN_ON(!mutex_is_locked(&efx->mac_lock)); 485afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 486afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(MC_CMD_GET_LINK_IN_LEN != 0); 487afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 488afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings rc = efx_mcdi_rpc(efx, MC_CMD_GET_LINK, NULL, 0, 489afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings outbuf, sizeof(outbuf), NULL); 490afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (rc) { 49162776d034cc40c49bafdb3551a6ba35f78e3f08dBen Hutchings netif_err(efx, hw, efx->net_dev, "%s: failed rc=%d\n", 49262776d034cc40c49bafdb3551a6ba35f78e3f08dBen Hutchings __func__, rc); 493afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings efx->link_state.up = false; 494afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings } else { 495afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings efx_mcdi_phy_decode_link( 496afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings efx, &efx->link_state, 497afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings MCDI_DWORD(outbuf, GET_LINK_OUT_LINK_SPEED), 498afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings MCDI_DWORD(outbuf, GET_LINK_OUT_FLAGS), 499afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings MCDI_DWORD(outbuf, GET_LINK_OUT_FCNTL)); 500afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings } 501afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 502afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings return !efx_link_state_equal(&efx->link_state, &old_state); 503afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings} 504afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 505ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgsonstatic void efx_mcdi_phy_remove(struct efx_nic *efx) 506afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings{ 507afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings struct efx_mcdi_phy_data *phy_data = efx->phy_data; 508afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 509afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings efx->phy_data = NULL; 510afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings kfree(phy_data); 511afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings} 512afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 513afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchingsstatic void efx_mcdi_phy_get_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd) 514afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings{ 5153bd9303500b1961d15aae783f17075936026ae79Ben Hutchings struct efx_mcdi_phy_data *phy_cfg = efx->phy_data; 51659cfc479b2c8ba344c8497d5c913b6cba2ce3755Ben Hutchings MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_LINK_OUT_LEN); 517afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings int rc; 518afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 519afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings ecmd->supported = 520afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings mcdi_to_ethtool_cap(phy_cfg->media, phy_cfg->supported_cap); 521afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings ecmd->advertising = efx->link_advertising; 522707394972093e2056e1e8cc39be19cf9bcb3e7b3David Decotigny ethtool_cmd_speed_set(ecmd, efx->link_state.speed); 523afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings ecmd->duplex = efx->link_state.fd; 524afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings ecmd->port = mcdi_to_ethtool_media(phy_cfg->media); 525afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings ecmd->phy_address = phy_cfg->port; 526afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings ecmd->transceiver = XCVR_INTERNAL; 527afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings ecmd->autoneg = !!(efx->link_advertising & ADVERTISED_Autoneg); 528afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings ecmd->mdio_support = (efx->mdio.mode_support & 529afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings (MDIO_SUPPORTS_C45 | MDIO_SUPPORTS_C22)); 530afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 531afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings BUILD_BUG_ON(MC_CMD_GET_LINK_IN_LEN != 0); 532afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings rc = efx_mcdi_rpc(efx, MC_CMD_GET_LINK, NULL, 0, 533afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings outbuf, sizeof(outbuf), NULL); 534afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (rc) { 53562776d034cc40c49bafdb3551a6ba35f78e3f08dBen Hutchings netif_err(efx, hw, efx->net_dev, "%s: failed rc=%d\n", 53662776d034cc40c49bafdb3551a6ba35f78e3f08dBen Hutchings __func__, rc); 537afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings return; 538afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings } 539afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings ecmd->lp_advertising = 540afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings mcdi_to_ethtool_cap(phy_cfg->media, 541afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings MCDI_DWORD(outbuf, GET_LINK_OUT_LP_CAP)); 542afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings} 543afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 544afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchingsstatic int efx_mcdi_phy_set_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd) 545afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings{ 5463bd9303500b1961d15aae783f17075936026ae79Ben Hutchings struct efx_mcdi_phy_data *phy_cfg = efx->phy_data; 547afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings u32 caps; 548afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings int rc; 549afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 550afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (ecmd->autoneg) { 551afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings caps = (ethtool_to_mcdi_cap(ecmd->advertising) | 552afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 1 << MC_CMD_PHY_CAP_AN_LBN); 553afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings } else if (ecmd->duplex) { 55425db0338813a8915457636b1f6abe6a28fa73f8dDavid Decotigny switch (ethtool_cmd_speed(ecmd)) { 555afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings case 10: caps = 1 << MC_CMD_PHY_CAP_10FDX_LBN; break; 556afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings case 100: caps = 1 << MC_CMD_PHY_CAP_100FDX_LBN; break; 557afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings case 1000: caps = 1 << MC_CMD_PHY_CAP_1000FDX_LBN; break; 558afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings case 10000: caps = 1 << MC_CMD_PHY_CAP_10000FDX_LBN; break; 5599a12a30627f76f839e81beba243371a60a5aa1dbBen Hutchings case 40000: caps = 1 << MC_CMD_PHY_CAP_40000FDX_LBN; break; 560afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings default: return -EINVAL; 561afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings } 562afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings } else { 56325db0338813a8915457636b1f6abe6a28fa73f8dDavid Decotigny switch (ethtool_cmd_speed(ecmd)) { 564afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings case 10: caps = 1 << MC_CMD_PHY_CAP_10HDX_LBN; break; 565afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings case 100: caps = 1 << MC_CMD_PHY_CAP_100HDX_LBN; break; 566afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings case 1000: caps = 1 << MC_CMD_PHY_CAP_1000HDX_LBN; break; 567afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings default: return -EINVAL; 568afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings } 569afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings } 570afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 571afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings rc = efx_mcdi_set_link(efx, caps, efx_get_mcdi_phy_flags(efx), 572afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings efx->loopback_mode, 0); 573afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (rc) 574afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings return rc; 575afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 576afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings if (ecmd->autoneg) { 577afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings efx_link_set_advertising( 578afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings efx, ecmd->advertising | ADVERTISED_Autoneg); 579afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings phy_cfg->forced_cap = 0; 580afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings } else { 581afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings efx_link_set_advertising(efx, 0); 582afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings phy_cfg->forced_cap = caps; 583afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings } 584afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings return 0; 585afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings} 586afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings 5874f16c0739145476ba37a7fa9eea0c33850efc2ceBen Hutchingsstatic int efx_mcdi_phy_test_alive(struct efx_nic *efx) 5884f16c0739145476ba37a7fa9eea0c33850efc2ceBen Hutchings{ 58959cfc479b2c8ba344c8497d5c913b6cba2ce3755Ben Hutchings MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_PHY_STATE_OUT_LEN); 5904f16c0739145476ba37a7fa9eea0c33850efc2ceBen Hutchings size_t outlen; 5914f16c0739145476ba37a7fa9eea0c33850efc2ceBen Hutchings int rc; 5924f16c0739145476ba37a7fa9eea0c33850efc2ceBen Hutchings 5934f16c0739145476ba37a7fa9eea0c33850efc2ceBen Hutchings BUILD_BUG_ON(MC_CMD_GET_PHY_STATE_IN_LEN != 0); 5944f16c0739145476ba37a7fa9eea0c33850efc2ceBen Hutchings 5954f16c0739145476ba37a7fa9eea0c33850efc2ceBen Hutchings rc = efx_mcdi_rpc(efx, MC_CMD_GET_PHY_STATE, NULL, 0, 5964f16c0739145476ba37a7fa9eea0c33850efc2ceBen Hutchings outbuf, sizeof(outbuf), &outlen); 5974f16c0739145476ba37a7fa9eea0c33850efc2ceBen Hutchings if (rc) 5984f16c0739145476ba37a7fa9eea0c33850efc2ceBen Hutchings return rc; 5994f16c0739145476ba37a7fa9eea0c33850efc2ceBen Hutchings 6004f16c0739145476ba37a7fa9eea0c33850efc2ceBen Hutchings if (outlen < MC_CMD_GET_PHY_STATE_OUT_LEN) 60100bbb4a5344a5f81cf5d48e781e5c0df3e588d17Ben Hutchings return -EIO; 60205a9320f7e64b69cbf612a69b7358546519ffc30Ben Hutchings if (MCDI_DWORD(outbuf, GET_PHY_STATE_OUT_STATE) != MC_CMD_PHY_STATE_OK) 6034f16c0739145476ba37a7fa9eea0c33850efc2ceBen Hutchings return -EINVAL; 6044f16c0739145476ba37a7fa9eea0c33850efc2ceBen Hutchings 6054f16c0739145476ba37a7fa9eea0c33850efc2ceBen Hutchings return 0; 6064f16c0739145476ba37a7fa9eea0c33850efc2ceBen Hutchings} 6074f16c0739145476ba37a7fa9eea0c33850efc2ceBen Hutchings 608affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgsonstatic const char *const mcdi_sft9001_cable_diag_names[] = { 609affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson "cable.pairA.length", 610affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson "cable.pairB.length", 611affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson "cable.pairC.length", 612affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson "cable.pairD.length", 613affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson "cable.pairA.status", 614affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson "cable.pairB.status", 615affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson "cable.pairC.status", 616affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson "cable.pairD.status", 617affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson}; 618affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson 619affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgsonstatic int efx_mcdi_bist(struct efx_nic *efx, unsigned int bist_mode, 620affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson int *results) 621affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson{ 622affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson unsigned int retry, i, count = 0; 623affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson size_t outlen; 624affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson u32 status; 625c5bb0e9891ba1f7c871adc09d9ef727e1c0c1c1eBen Hutchings MCDI_DECLARE_BUF(inbuf, MC_CMD_START_BIST_IN_LEN); 626c5bb0e9891ba1f7c871adc09d9ef727e1c0c1c1eBen Hutchings MCDI_DECLARE_BUF(outbuf, MC_CMD_POLL_BIST_OUT_SFT9001_LEN); 627c5bb0e9891ba1f7c871adc09d9ef727e1c0c1c1eBen Hutchings u8 *ptr; 628affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson int rc; 629affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson 630affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson BUILD_BUG_ON(MC_CMD_START_BIST_OUT_LEN != 0); 631c5bb0e9891ba1f7c871adc09d9ef727e1c0c1c1eBen Hutchings MCDI_SET_DWORD(inbuf, START_BIST_IN_TYPE, bist_mode); 632c5bb0e9891ba1f7c871adc09d9ef727e1c0c1c1eBen Hutchings rc = efx_mcdi_rpc(efx, MC_CMD_START_BIST, 633c5bb0e9891ba1f7c871adc09d9ef727e1c0c1c1eBen Hutchings inbuf, MC_CMD_START_BIST_IN_LEN, NULL, 0, NULL); 634affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson if (rc) 635affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson goto out; 636affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson 637affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson /* Wait up to 10s for BIST to finish */ 638affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson for (retry = 0; retry < 100; ++retry) { 639affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson BUILD_BUG_ON(MC_CMD_POLL_BIST_IN_LEN != 0); 640affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson rc = efx_mcdi_rpc(efx, MC_CMD_POLL_BIST, NULL, 0, 641c5bb0e9891ba1f7c871adc09d9ef727e1c0c1c1eBen Hutchings outbuf, sizeof(outbuf), &outlen); 642affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson if (rc) 643affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson goto out; 644affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson 645c5bb0e9891ba1f7c871adc09d9ef727e1c0c1c1eBen Hutchings status = MCDI_DWORD(outbuf, POLL_BIST_OUT_RESULT); 646affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson if (status != MC_CMD_POLL_BIST_RUNNING) 647affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson goto finished; 648affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson 649affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson msleep(100); 650affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson } 651affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson 652affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson rc = -ETIMEDOUT; 653affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson goto out; 654affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson 655affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgsonfinished: 656affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson results[count++] = (status == MC_CMD_POLL_BIST_PASSED) ? 1 : -1; 657affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson 658affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson /* SFT9001 specific cable diagnostics output */ 659affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson if (efx->phy_type == PHY_TYPE_SFT9001B && 660affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson (bist_mode == MC_CMD_PHY_BIST_CABLE_SHORT || 661affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson bist_mode == MC_CMD_PHY_BIST_CABLE_LONG)) { 662c5bb0e9891ba1f7c871adc09d9ef727e1c0c1c1eBen Hutchings ptr = MCDI_PTR(outbuf, POLL_BIST_OUT_SFT9001_CABLE_LENGTH_A); 663affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson if (status == MC_CMD_POLL_BIST_PASSED && 664affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson outlen >= MC_CMD_POLL_BIST_OUT_SFT9001_LEN) { 665affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson for (i = 0; i < 8; i++) { 666affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson results[count + i] = 667affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson EFX_DWORD_FIELD(((efx_dword_t *)ptr)[i], 668affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson EFX_DWORD_0); 669affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson } 670affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson } 671affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson count += 8; 672affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson } 673affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson rc = count; 674affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson 675affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgsonout: 676affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson return rc; 677affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson} 678affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson 679affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgsonstatic int efx_mcdi_phy_run_tests(struct efx_nic *efx, int *results, 680affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson unsigned flags) 681affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson{ 6823bd9303500b1961d15aae783f17075936026ae79Ben Hutchings struct efx_mcdi_phy_data *phy_cfg = efx->phy_data; 683affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson u32 mode; 684affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson int rc; 685affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson 68605a9320f7e64b69cbf612a69b7358546519ffc30Ben Hutchings if (phy_cfg->flags & (1 << MC_CMD_GET_PHY_CFG_OUT_BIST_LBN)) { 687affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson rc = efx_mcdi_bist(efx, MC_CMD_PHY_BIST, results); 688affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson if (rc < 0) 689affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson return rc; 690affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson 691affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson results += rc; 692affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson } 693affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson 694affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson /* If we support both LONG and SHORT, then run each in response to 695affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson * break or not. Otherwise, run the one we support */ 696affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson mode = 0; 69705a9320f7e64b69cbf612a69b7358546519ffc30Ben Hutchings if (phy_cfg->flags & (1 << MC_CMD_GET_PHY_CFG_OUT_BIST_CABLE_SHORT_LBN)) { 698affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson if ((flags & ETH_TEST_FL_OFFLINE) && 699affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson (phy_cfg->flags & 70005a9320f7e64b69cbf612a69b7358546519ffc30Ben Hutchings (1 << MC_CMD_GET_PHY_CFG_OUT_BIST_CABLE_LONG_LBN))) 701affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson mode = MC_CMD_PHY_BIST_CABLE_LONG; 702affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson else 703affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson mode = MC_CMD_PHY_BIST_CABLE_SHORT; 704affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson } else if (phy_cfg->flags & 70505a9320f7e64b69cbf612a69b7358546519ffc30Ben Hutchings (1 << MC_CMD_GET_PHY_CFG_OUT_BIST_CABLE_LONG_LBN)) 706affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson mode = MC_CMD_PHY_BIST_CABLE_LONG; 707affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson 708affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson if (mode != 0) { 709affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson rc = efx_mcdi_bist(efx, mode, results); 710affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson if (rc < 0) 711affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson return rc; 712affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson results += rc; 713affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson } 714affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson 715affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson return 0; 716affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson} 717affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson 718d215697fe14a0c5a96765c6279b4751e632587a5stephen hemmingerstatic const char *efx_mcdi_phy_test_name(struct efx_nic *efx, 719d215697fe14a0c5a96765c6279b4751e632587a5stephen hemminger unsigned int index) 720affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson{ 7213bd9303500b1961d15aae783f17075936026ae79Ben Hutchings struct efx_mcdi_phy_data *phy_cfg = efx->phy_data; 722affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson 72305a9320f7e64b69cbf612a69b7358546519ffc30Ben Hutchings if (phy_cfg->flags & (1 << MC_CMD_GET_PHY_CFG_OUT_BIST_LBN)) { 724affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson if (index == 0) 725affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson return "bist"; 726affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson --index; 727affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson } 728affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson 72905a9320f7e64b69cbf612a69b7358546519ffc30Ben Hutchings if (phy_cfg->flags & ((1 << MC_CMD_GET_PHY_CFG_OUT_BIST_CABLE_SHORT_LBN) | 73005a9320f7e64b69cbf612a69b7358546519ffc30Ben Hutchings (1 << MC_CMD_GET_PHY_CFG_OUT_BIST_CABLE_LONG_LBN))) { 731affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson if (index == 0) 732affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson return "cable"; 733affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson --index; 734affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson 735affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson if (efx->phy_type == PHY_TYPE_SFT9001B) { 736affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson if (index < ARRAY_SIZE(mcdi_sft9001_cable_diag_names)) 737affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson return mcdi_sft9001_cable_diag_names[index]; 738affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson index -= ARRAY_SIZE(mcdi_sft9001_cable_diag_names); 739affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson } 740affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson } 741affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson 742affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson return NULL; 743affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson} 744affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson 745c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson#define SFP_PAGE_SIZE 128 746c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson#define SFP_NUM_PAGES 2 747c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgsonstatic int efx_mcdi_phy_get_module_eeprom(struct efx_nic *efx, 748c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson struct ethtool_eeprom *ee, u8 *data) 749c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson{ 75059cfc479b2c8ba344c8497d5c913b6cba2ce3755Ben Hutchings MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_PHY_MEDIA_INFO_OUT_LENMAX); 75159cfc479b2c8ba344c8497d5c913b6cba2ce3755Ben Hutchings MCDI_DECLARE_BUF(inbuf, MC_CMD_GET_PHY_MEDIA_INFO_IN_LEN); 752c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson size_t outlen; 753c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson int rc; 754c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson unsigned int payload_len; 755c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson unsigned int space_remaining = ee->len; 756c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson unsigned int page; 757c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson unsigned int page_off; 758c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson unsigned int to_copy; 759c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson u8 *user_data = data; 760c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson 761c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson BUILD_BUG_ON(SFP_PAGE_SIZE * SFP_NUM_PAGES != ETH_MODULE_SFF_8079_LEN); 762c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson 763c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson page_off = ee->offset % SFP_PAGE_SIZE; 764c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson page = ee->offset / SFP_PAGE_SIZE; 765c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson 766c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson while (space_remaining && (page < SFP_NUM_PAGES)) { 767c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson MCDI_SET_DWORD(inbuf, GET_PHY_MEDIA_INFO_IN_PAGE, page); 768c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson 769c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson rc = efx_mcdi_rpc(efx, MC_CMD_GET_PHY_MEDIA_INFO, 770c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson inbuf, sizeof(inbuf), 771c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson outbuf, sizeof(outbuf), 772c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson &outlen); 773c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson if (rc) 774c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson return rc; 775c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson 776c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson if (outlen < (MC_CMD_GET_PHY_MEDIA_INFO_OUT_DATA_OFST + 777c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson SFP_PAGE_SIZE)) 778c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson return -EIO; 779c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson 780c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson payload_len = MCDI_DWORD(outbuf, 781c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson GET_PHY_MEDIA_INFO_OUT_DATALEN); 782c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson if (payload_len != SFP_PAGE_SIZE) 783c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson return -EIO; 784c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson 785c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson /* Copy as much as we can into data */ 786c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson payload_len -= page_off; 787c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson to_copy = (space_remaining < payload_len) ? 788c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson space_remaining : payload_len; 789c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson 790c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson memcpy(user_data, 791c5bb0e9891ba1f7c871adc09d9ef727e1c0c1c1eBen Hutchings MCDI_PTR(outbuf, GET_PHY_MEDIA_INFO_OUT_DATA) + page_off, 792c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson to_copy); 793c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson 794c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson space_remaining -= to_copy; 795c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson user_data += to_copy; 796c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson page_off = 0; 797c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson page++; 798c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson } 799c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson 800c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson return 0; 801c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson} 802c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson 803c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgsonstatic int efx_mcdi_phy_get_module_info(struct efx_nic *efx, 804c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson struct ethtool_modinfo *modinfo) 805c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson{ 806c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson struct efx_mcdi_phy_data *phy_cfg = efx->phy_data; 807c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson 808c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson switch (phy_cfg->media) { 809c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson case MC_CMD_MEDIA_SFP_PLUS: 810c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson modinfo->type = ETH_MODULE_SFF_8079; 811c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; 812c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson return 0; 813c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson default: 814c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson return -EOPNOTSUPP; 815c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson } 816c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson} 817c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson 81843f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchingsstatic const struct efx_phy_operations efx_mcdi_phy_ops = { 819afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings .probe = efx_mcdi_phy_probe, 8209c636baf8518d0f986004b40669b75506459beacBen Hutchings .init = efx_port_dummy_op_int, 82143f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings .reconfigure = efx_mcdi_port_reconfigure, 822afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings .poll = efx_mcdi_phy_poll, 823ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson .fini = efx_port_dummy_op_void, 824ff3b00a0fcaab89ff885e9f0f4ad83c4ced788f4Steve Hodgson .remove = efx_mcdi_phy_remove, 825afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings .get_settings = efx_mcdi_phy_get_settings, 826afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings .set_settings = efx_mcdi_phy_set_settings, 8274f16c0739145476ba37a7fa9eea0c33850efc2ceBen Hutchings .test_alive = efx_mcdi_phy_test_alive, 828affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson .run_tests = efx_mcdi_phy_run_tests, 829affaf485ca628cb7d7f57ae5e2b8c710c58b11aaSteve Hodgson .test_name = efx_mcdi_phy_test_name, 830c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson .get_module_eeprom = efx_mcdi_phy_get_module_eeprom, 831c087bd2cfdaf334d7d0c32bd1fcc1a23d5b88973Stuart Hodgson .get_module_info = efx_mcdi_phy_get_module_info, 832afd4aea03f597f29421dc5767e7d1f754730ec23Ben Hutchings}; 83343f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 8348127d661e77f5ec410093bce411f540afa34593fBen Hutchingsu32 efx_mcdi_phy_get_caps(struct efx_nic *efx) 8358127d661e77f5ec410093bce411f540afa34593fBen Hutchings{ 8368127d661e77f5ec410093bce411f540afa34593fBen Hutchings struct efx_mcdi_phy_data *phy_data = efx->phy_data; 8378127d661e77f5ec410093bce411f540afa34593fBen Hutchings 8388127d661e77f5ec410093bce411f540afa34593fBen Hutchings return phy_data->supported_cap; 8398127d661e77f5ec410093bce411f540afa34593fBen Hutchings} 8408127d661e77f5ec410093bce411f540afa34593fBen Hutchings 84143f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchingsstatic unsigned int efx_mcdi_event_link_speed[] = { 84243f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings [MCDI_EVENT_LINKCHANGE_SPEED_100M] = 100, 84343f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings [MCDI_EVENT_LINKCHANGE_SPEED_1G] = 1000, 84443f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings [MCDI_EVENT_LINKCHANGE_SPEED_10G] = 10000, 8459a12a30627f76f839e81beba243371a60a5aa1dbBen Hutchings [MCDI_EVENT_LINKCHANGE_SPEED_40G] = 40000, 84643f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings}; 84743f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 84843f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchingsvoid efx_mcdi_process_link_change(struct efx_nic *efx, efx_qword_t *ev) 84943f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings{ 85043f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings u32 flags, fcntl, speed, lpa; 85143f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 85243f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings speed = EFX_QWORD_FIELD(*ev, MCDI_EVENT_LINKCHANGE_SPEED); 85343f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings EFX_BUG_ON_PARANOID(speed >= ARRAY_SIZE(efx_mcdi_event_link_speed)); 85443f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings speed = efx_mcdi_event_link_speed[speed]; 85543f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 85643f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings flags = EFX_QWORD_FIELD(*ev, MCDI_EVENT_LINKCHANGE_LINK_FLAGS); 85743f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings fcntl = EFX_QWORD_FIELD(*ev, MCDI_EVENT_LINKCHANGE_FCNTL); 85843f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings lpa = EFX_QWORD_FIELD(*ev, MCDI_EVENT_LINKCHANGE_LP_CAP); 85943f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 86043f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings /* efx->link_state is only modified by efx_mcdi_phy_get_link(), 86143f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings * which is only run after flushing the event queues. Therefore, it 86243f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings * is safe to modify the link state outside of the mac_lock here. 86343f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings */ 86443f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings efx_mcdi_phy_decode_link(efx, &efx->link_state, speed, flags, fcntl); 86543f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 86643f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings efx_mcdi_phy_check_fcntl(efx, lpa); 86743f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 86843f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings efx_link_status_changed(efx); 86943f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings} 87043f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 87143f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchingsint efx_mcdi_set_mac(struct efx_nic *efx) 87243f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings{ 873964e61355e94905e4234839d4b41678998d617b7Ben Hutchings u32 fcntl; 87443f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings MCDI_DECLARE_BUF(cmdbytes, MC_CMD_SET_MAC_IN_LEN); 87543f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 87643f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings BUILD_BUG_ON(MC_CMD_SET_MAC_OUT_LEN != 0); 87743f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 87843f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings memcpy(MCDI_PTR(cmdbytes, SET_MAC_IN_ADDR), 87943f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings efx->net_dev->dev_addr, ETH_ALEN); 88043f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 88143f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings MCDI_SET_DWORD(cmdbytes, SET_MAC_IN_MTU, 88243f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings EFX_MAX_FRAME_LEN(efx->net_dev->mtu)); 88343f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings MCDI_SET_DWORD(cmdbytes, SET_MAC_IN_DRAIN, 0); 88443f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 885964e61355e94905e4234839d4b41678998d617b7Ben Hutchings /* Set simple MAC filter for Siena */ 886964e61355e94905e4234839d4b41678998d617b7Ben Hutchings MCDI_POPULATE_DWORD_1(cmdbytes, SET_MAC_IN_REJECT, 887964e61355e94905e4234839d4b41678998d617b7Ben Hutchings SET_MAC_IN_REJECT_UNCST, efx->unicast_filter); 88843f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 88943f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings switch (efx->wanted_fc) { 89043f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings case EFX_FC_RX | EFX_FC_TX: 89143f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings fcntl = MC_CMD_FCNTL_BIDIR; 89243f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings break; 89343f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings case EFX_FC_RX: 89443f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings fcntl = MC_CMD_FCNTL_RESPOND; 89543f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings break; 89643f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings default: 89743f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings fcntl = MC_CMD_FCNTL_OFF; 89843f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings break; 89943f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings } 90043f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings if (efx->wanted_fc & EFX_FC_AUTO) 90143f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings fcntl = MC_CMD_FCNTL_AUTO; 90243f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings if (efx->fc_disable) 90343f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings fcntl = MC_CMD_FCNTL_OFF; 90443f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 90543f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings MCDI_SET_DWORD(cmdbytes, SET_MAC_IN_FCNTL, fcntl); 90643f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 90743f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings return efx_mcdi_rpc(efx, MC_CMD_SET_MAC, cmdbytes, sizeof(cmdbytes), 90843f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings NULL, 0, NULL); 90943f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings} 91043f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 91143f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchingsbool efx_mcdi_mac_check_fault(struct efx_nic *efx) 91243f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings{ 91343f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_LINK_OUT_LEN); 91443f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings size_t outlength; 91543f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings int rc; 91643f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 91743f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings BUILD_BUG_ON(MC_CMD_GET_LINK_IN_LEN != 0); 91843f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 91943f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings rc = efx_mcdi_rpc(efx, MC_CMD_GET_LINK, NULL, 0, 92043f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings outbuf, sizeof(outbuf), &outlength); 92143f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings if (rc) { 92243f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings netif_err(efx, hw, efx->net_dev, "%s: failed rc=%d\n", 92343f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings __func__, rc); 92443f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings return true; 92543f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings } 92643f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 92743f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings return MCDI_DWORD(outbuf, GET_LINK_OUT_MAC_FAULT) != 0; 92843f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings} 92943f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 930f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooperenum efx_stats_action { 931f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper EFX_STATS_ENABLE, 932f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper EFX_STATS_DISABLE, 933f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper EFX_STATS_PULL, 934f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper}; 935f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper 936f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooperstatic int efx_mcdi_mac_stats(struct efx_nic *efx, 937f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper enum efx_stats_action action, int clear) 93843f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings{ 93943f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings MCDI_DECLARE_BUF(inbuf, MC_CMD_MAC_STATS_IN_LEN); 94043f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings int rc; 941f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper int change = action == EFX_STATS_PULL ? 0 : 1; 942f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper int enable = action == EFX_STATS_ENABLE ? 1 : 0; 943f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper int period = action == EFX_STATS_ENABLE ? 1000 : 0; 944f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper dma_addr_t dma_addr = efx->stats_buffer.dma_addr; 945f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper u32 dma_len = action != EFX_STATS_DISABLE ? 946f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper MC_CMD_MAC_NSTATS * sizeof(u64) : 0; 94743f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 94843f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings BUILD_BUG_ON(MC_CMD_MAC_STATS_OUT_DMA_LEN != 0); 94943f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 95043f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings MCDI_SET_QWORD(inbuf, MAC_STATS_IN_DMA_ADDR, dma_addr); 951f5253d92567b193c6aa137a08e7bb3b06fafc985Ben Hutchings MCDI_POPULATE_DWORD_7(inbuf, MAC_STATS_IN_CMD, 952f5253d92567b193c6aa137a08e7bb3b06fafc985Ben Hutchings MAC_STATS_IN_DMA, !!enable, 953f5253d92567b193c6aa137a08e7bb3b06fafc985Ben Hutchings MAC_STATS_IN_CLEAR, clear, 954f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper MAC_STATS_IN_PERIODIC_CHANGE, change, 955f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper MAC_STATS_IN_PERIODIC_ENABLE, enable, 956f5253d92567b193c6aa137a08e7bb3b06fafc985Ben Hutchings MAC_STATS_IN_PERIODIC_CLEAR, 0, 957f5253d92567b193c6aa137a08e7bb3b06fafc985Ben Hutchings MAC_STATS_IN_PERIODIC_NOEVENT, 1, 958f5253d92567b193c6aa137a08e7bb3b06fafc985Ben Hutchings MAC_STATS_IN_PERIOD_MS, period); 95943f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings MCDI_SET_DWORD(inbuf, MAC_STATS_IN_DMA_LEN, dma_len); 96043f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 96143f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings rc = efx_mcdi_rpc(efx, MC_CMD_MAC_STATS, inbuf, sizeof(inbuf), 96243f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings NULL, 0, NULL); 96343f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings if (rc) 96443f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings goto fail; 96543f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 96643f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings return 0; 96743f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 96843f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchingsfail: 969f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper netif_err(efx, hw, efx->net_dev, "%s: action %d failed rc=%d\n", 970f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper __func__, action, rc); 97143f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings return rc; 97243f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings} 97343f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 97443f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchingsvoid efx_mcdi_mac_start_stats(struct efx_nic *efx) 97543f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings{ 97643f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings __le64 *dma_stats = efx->stats_buffer.addr; 97743f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 97843f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings dma_stats[MC_CMD_MAC_GENERATION_END] = EFX_MC_STATS_GENERATION_INVALID; 97943f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 980f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper efx_mcdi_mac_stats(efx, EFX_STATS_ENABLE, 0); 98143f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings} 98243f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 98343f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchingsvoid efx_mcdi_mac_stop_stats(struct efx_nic *efx) 98443f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings{ 985f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper efx_mcdi_mac_stats(efx, EFX_STATS_DISABLE, 0); 986f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper} 987f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper 988f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper#define EFX_MAC_STATS_WAIT_US 100 989f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper#define EFX_MAC_STATS_WAIT_ATTEMPTS 10 990f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper 991f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Coopervoid efx_mcdi_mac_pull_stats(struct efx_nic *efx) 992f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper{ 993f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper __le64 *dma_stats = efx->stats_buffer.addr; 994f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper int attempts = EFX_MAC_STATS_WAIT_ATTEMPTS; 995f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper 996f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper dma_stats[MC_CMD_MAC_GENERATION_END] = EFX_MC_STATS_GENERATION_INVALID; 997f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper efx_mcdi_mac_stats(efx, EFX_STATS_PULL, 0); 998f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper 999f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper while (dma_stats[MC_CMD_MAC_GENERATION_END] == 1000f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper EFX_MC_STATS_GENERATION_INVALID && 1001f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper attempts-- != 0) 1002f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper udelay(EFX_MAC_STATS_WAIT_US); 100343f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings} 100443f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 100543f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchingsint efx_mcdi_port_probe(struct efx_nic *efx) 100643f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings{ 100743f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings int rc; 100843f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 100943f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings /* Hook in PHY operations table */ 101043f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings efx->phy_op = &efx_mcdi_phy_ops; 101143f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 101243f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings /* Set up MDIO structure for PHY */ 101343f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings efx->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22; 101443f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings efx->mdio.mdio_read = efx_mcdi_mdio_read; 101543f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings efx->mdio.mdio_write = efx_mcdi_mdio_write; 101643f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 101743f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings /* Fill out MDIO structure, loopback modes, and initial link state */ 101843f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings rc = efx->phy_op->probe(efx); 101943f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings if (rc != 0) 102043f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings return rc; 102143f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 102243f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings /* Allocate buffer for stats */ 102343f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings rc = efx_nic_alloc_buffer(efx, &efx->stats_buffer, 10240d19a540beb78493cd5acb7428760af0dc1ea154Ben Hutchings MC_CMD_MAC_NSTATS * sizeof(u64), GFP_KERNEL); 102543f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings if (rc) 102643f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings return rc; 102743f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings netif_dbg(efx, probe, efx->net_dev, 102843f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings "stats buffer at %llx (virt %p phys %llx)\n", 102943f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings (u64)efx->stats_buffer.dma_addr, 103043f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings efx->stats_buffer.addr, 103143f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings (u64)virt_to_phys(efx->stats_buffer.addr)); 103243f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 1033f8f3b5ae3ea45ef6b00b471fed0fc90552a3c4afJon Cooper efx_mcdi_mac_stats(efx, EFX_STATS_DISABLE, 1); 103443f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 103543f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings return 0; 103643f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings} 103743f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings 103843f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchingsvoid efx_mcdi_port_remove(struct efx_nic *efx) 103943f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings{ 104043f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings efx->phy_op->remove(efx); 104143f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings efx_nic_free_buffer(efx, &efx->stats_buffer); 104243f775b2fa759a9c126a911f999f35aeb0fbbb84Ben Hutchings} 10438127d661e77f5ec410093bce411f540afa34593fBen Hutchings 10448127d661e77f5ec410093bce411f540afa34593fBen Hutchings/* Get physical port number (EF10 only; on Siena it is same as PF number) */ 10458127d661e77f5ec410093bce411f540afa34593fBen Hutchingsint efx_mcdi_port_get_number(struct efx_nic *efx) 10468127d661e77f5ec410093bce411f540afa34593fBen Hutchings{ 10478127d661e77f5ec410093bce411f540afa34593fBen Hutchings MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_PORT_ASSIGNMENT_OUT_LEN); 10488127d661e77f5ec410093bce411f540afa34593fBen Hutchings int rc; 10498127d661e77f5ec410093bce411f540afa34593fBen Hutchings 10508127d661e77f5ec410093bce411f540afa34593fBen Hutchings rc = efx_mcdi_rpc(efx, MC_CMD_GET_PORT_ASSIGNMENT, NULL, 0, 10518127d661e77f5ec410093bce411f540afa34593fBen Hutchings outbuf, sizeof(outbuf), NULL); 10528127d661e77f5ec410093bce411f540afa34593fBen Hutchings if (rc) 10538127d661e77f5ec410093bce411f540afa34593fBen Hutchings return rc; 10548127d661e77f5ec410093bce411f540afa34593fBen Hutchings 10558127d661e77f5ec410093bce411f540afa34593fBen Hutchings return MCDI_DWORD(outbuf, GET_PORT_ASSIGNMENT_OUT_PORT); 10568127d661e77f5ec410093bce411f540afa34593fBen Hutchings} 1057