378 lines
11 KiB
C
378 lines
11 KiB
C
|
/* Applied Micro X-Gene SoC Ethernet Driver
|
||
|
|
*
|
||
|
|
* Copyright (c) 2014, Applied Micro Circuits Corporation
|
||
|
|
* Authors: Iyappan Subramanian <isubramanian@apm.com>
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or modify it
|
||
|
|
* under the terms of the GNU General Public License as published by the
|
||
|
|
* Free Software Foundation; either version 2 of the License, or (at your
|
||
|
|
* option) any later version.
|
||
|
|
*
|
||
|
|
* This program is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
* GNU General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU General Public License
|
||
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <linux/ethtool.h>
|
||
|
|
#include "xgene_enet_main.h"
|
||
|
|
|
||
|
|
struct xgene_gstrings_stats {
|
||
|
|
char name[ETH_GSTRING_LEN];
|
||
|
|
int offset;
|
||
|
|
u32 addr;
|
||
|
|
u32 mask;
|
||
|
|
};
|
||
|
|
|
||
|
|
#define XGENE_STAT(m) { #m, offsetof(struct rtnl_link_stats64, m) }
|
||
|
|
#define XGENE_EXTD_STAT(s, a, m) \
|
||
|
|
{ \
|
||
|
|
.name = #s, \
|
||
|
|
.addr = a ## _ADDR, \
|
||
|
|
.mask = m \
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct xgene_gstrings_stats gstrings_stats[] = {
|
||
|
|
XGENE_STAT(rx_packets),
|
||
|
|
XGENE_STAT(tx_packets),
|
||
|
|
XGENE_STAT(rx_bytes),
|
||
|
|
XGENE_STAT(tx_bytes),
|
||
|
|
XGENE_STAT(rx_errors),
|
||
|
|
XGENE_STAT(tx_errors),
|
||
|
|
XGENE_STAT(rx_length_errors),
|
||
|
|
XGENE_STAT(rx_crc_errors),
|
||
|
|
XGENE_STAT(rx_frame_errors),
|
||
|
|
XGENE_STAT(rx_fifo_errors)
|
||
|
|
};
|
||
|
|
|
||
|
|
static const struct xgene_gstrings_stats gstrings_extd_stats[] = {
|
||
|
|
XGENE_EXTD_STAT(tx_rx_64b_frame_cntr, TR64, 31),
|
||
|
|
XGENE_EXTD_STAT(tx_rx_127b_frame_cntr, TR127, 31),
|
||
|
|
XGENE_EXTD_STAT(tx_rx_255b_frame_cntr, TR255, 31),
|
||
|
|
XGENE_EXTD_STAT(tx_rx_511b_frame_cntr, TR511, 31),
|
||
|
|
XGENE_EXTD_STAT(tx_rx_1023b_frame_cntr, TR1K, 31),
|
||
|
|
XGENE_EXTD_STAT(tx_rx_1518b_frame_cntr, TRMAX, 31),
|
||
|
|
XGENE_EXTD_STAT(tx_rx_1522b_frame_cntr, TRMGV, 31),
|
||
|
|
XGENE_EXTD_STAT(rx_fcs_error_cntr, RFCS, 16),
|
||
|
|
XGENE_EXTD_STAT(rx_multicast_pkt_cntr, RMCA, 31),
|
||
|
|
XGENE_EXTD_STAT(rx_broadcast_pkt_cntr, RBCA, 31),
|
||
|
|
XGENE_EXTD_STAT(rx_ctrl_frame_pkt_cntr, RXCF, 16),
|
||
|
|
XGENE_EXTD_STAT(rx_pause_frame_pkt_cntr, RXPF, 16),
|
||
|
|
XGENE_EXTD_STAT(rx_unk_opcode_cntr, RXUO, 16),
|
||
|
|
XGENE_EXTD_STAT(rx_align_err_cntr, RALN, 16),
|
||
|
|
XGENE_EXTD_STAT(rx_frame_len_err_cntr, RFLR, 16),
|
||
|
|
XGENE_EXTD_STAT(rx_frame_len_err_recov_cntr, DUMP, 0),
|
||
|
|
XGENE_EXTD_STAT(rx_code_err_cntr, RCDE, 16),
|
||
|
|
XGENE_EXTD_STAT(rx_carrier_sense_err_cntr, RCSE, 16),
|
||
|
|
XGENE_EXTD_STAT(rx_undersize_pkt_cntr, RUND, 16),
|
||
|
|
XGENE_EXTD_STAT(rx_oversize_pkt_cntr, ROVR, 16),
|
||
|
|
XGENE_EXTD_STAT(rx_fragments_cntr, RFRG, 16),
|
||
|
|
XGENE_EXTD_STAT(rx_jabber_cntr, RJBR, 16),
|
||
|
|
XGENE_EXTD_STAT(rx_jabber_recov_cntr, DUMP, 0),
|
||
|
|
XGENE_EXTD_STAT(rx_dropped_pkt_cntr, RDRP, 16),
|
||
|
|
XGENE_EXTD_STAT(rx_overrun_cntr, DUMP, 0),
|
||
|
|
XGENE_EXTD_STAT(tx_multicast_pkt_cntr, TMCA, 31),
|
||
|
|
XGENE_EXTD_STAT(tx_broadcast_pkt_cntr, TBCA, 31),
|
||
|
|
XGENE_EXTD_STAT(tx_pause_ctrl_frame_cntr, TXPF, 16),
|
||
|
|
XGENE_EXTD_STAT(tx_defer_pkt_cntr, TDFR, 31),
|
||
|
|
XGENE_EXTD_STAT(tx_excv_defer_pkt_cntr, TEDF, 31),
|
||
|
|
XGENE_EXTD_STAT(tx_single_col_pkt_cntr, TSCL, 31),
|
||
|
|
XGENE_EXTD_STAT(tx_multi_col_pkt_cntr, TMCL, 31),
|
||
|
|
XGENE_EXTD_STAT(tx_late_col_pkt_cntr, TLCL, 31),
|
||
|
|
XGENE_EXTD_STAT(tx_excv_col_pkt_cntr, TXCL, 31),
|
||
|
|
XGENE_EXTD_STAT(tx_total_col_cntr, TNCL, 31),
|
||
|
|
XGENE_EXTD_STAT(tx_pause_frames_hnrd_cntr, TPFH, 16),
|
||
|
|
XGENE_EXTD_STAT(tx_drop_frame_cntr, TDRP, 16),
|
||
|
|
XGENE_EXTD_STAT(tx_jabber_frame_cntr, TJBR, 12),
|
||
|
|
XGENE_EXTD_STAT(tx_fcs_error_cntr, TFCS, 12),
|
||
|
|
XGENE_EXTD_STAT(tx_ctrl_frame_cntr, TXCF, 12),
|
||
|
|
XGENE_EXTD_STAT(tx_oversize_frame_cntr, TOVR, 12),
|
||
|
|
XGENE_EXTD_STAT(tx_undersize_frame_cntr, TUND, 12),
|
||
|
|
XGENE_EXTD_STAT(tx_fragments_cntr, TFRG, 12),
|
||
|
|
XGENE_EXTD_STAT(tx_underrun_cntr, DUMP, 0)
|
||
|
|
};
|
||
|
|
|
||
|
|
#define XGENE_STATS_LEN ARRAY_SIZE(gstrings_stats)
|
||
|
|
#define XGENE_EXTD_STATS_LEN ARRAY_SIZE(gstrings_extd_stats)
|
||
|
|
#define RFCS_IDX 7
|
||
|
|
#define RALN_IDX 13
|
||
|
|
#define RFLR_IDX 14
|
||
|
|
#define FALSE_RFLR_IDX 15
|
||
|
|
#define RUND_IDX 18
|
||
|
|
#define FALSE_RJBR_IDX 22
|
||
|
|
#define RX_OVERRUN_IDX 24
|
||
|
|
#define TFCS_IDX 38
|
||
|
|
#define TFRG_IDX 42
|
||
|
|
#define TX_UNDERRUN_IDX 43
|
||
|
|
|
||
|
|
static void xgene_get_drvinfo(struct net_device *ndev,
|
||
|
|
struct ethtool_drvinfo *info)
|
||
|
|
{
|
||
|
|
struct xgene_enet_pdata *pdata = netdev_priv(ndev);
|
||
|
|
struct platform_device *pdev = pdata->pdev;
|
||
|
|
|
||
|
|
strcpy(info->driver, "xgene_enet");
|
||
|
|
strcpy(info->version, XGENE_DRV_VERSION);
|
||
|
|
snprintf(info->fw_version, ETHTOOL_FWVERS_LEN, "N/A");
|
||
|
|
sprintf(info->bus_info, "%s", pdev->name);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int xgene_get_link_ksettings(struct net_device *ndev,
|
||
|
|
struct ethtool_link_ksettings *cmd)
|
||
|
|
{
|
||
|
|
struct xgene_enet_pdata *pdata = netdev_priv(ndev);
|
||
|
|
struct phy_device *phydev = ndev->phydev;
|
||
|
|
u32 supported;
|
||
|
|
|
||
|
|
if (phy_interface_mode_is_rgmii(pdata->phy_mode)) {
|
||
|
|
if (phydev == NULL)
|
||
|
|
return -ENODEV;
|
||
|
|
|
||
|
|
phy_ethtool_ksettings_get(phydev, cmd);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
} else if (pdata->phy_mode == PHY_INTERFACE_MODE_SGMII) {
|
||
|
|
if (pdata->mdio_driver) {
|
||
|
|
if (!phydev)
|
||
|
|
return -ENODEV;
|
||
|
|
|
||
|
|
phy_ethtool_ksettings_get(phydev, cmd);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
supported = SUPPORTED_1000baseT_Full | SUPPORTED_Autoneg |
|
||
|
|
SUPPORTED_MII;
|
||
|
|
ethtool_convert_legacy_u32_to_link_mode(
|
||
|
|
cmd->link_modes.supported,
|
||
|
|
supported);
|
||
|
|
ethtool_convert_legacy_u32_to_link_mode(
|
||
|
|
cmd->link_modes.advertising,
|
||
|
|
supported);
|
||
|
|
|
||
|
|
cmd->base.speed = SPEED_1000;
|
||
|
|
cmd->base.duplex = DUPLEX_FULL;
|
||
|
|
cmd->base.port = PORT_MII;
|
||
|
|
cmd->base.autoneg = AUTONEG_ENABLE;
|
||
|
|
} else {
|
||
|
|
supported = SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE;
|
||
|
|
ethtool_convert_legacy_u32_to_link_mode(
|
||
|
|
cmd->link_modes.supported,
|
||
|
|
supported);
|
||
|
|
ethtool_convert_legacy_u32_to_link_mode(
|
||
|
|
cmd->link_modes.advertising,
|
||
|
|
supported);
|
||
|
|
|
||
|
|
cmd->base.speed = SPEED_10000;
|
||
|
|
cmd->base.duplex = DUPLEX_FULL;
|
||
|
|
cmd->base.port = PORT_FIBRE;
|
||
|
|
cmd->base.autoneg = AUTONEG_DISABLE;
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int xgene_set_link_ksettings(struct net_device *ndev,
|
||
|
|
const struct ethtool_link_ksettings *cmd)
|
||
|
|
{
|
||
|
|
struct xgene_enet_pdata *pdata = netdev_priv(ndev);
|
||
|
|
struct phy_device *phydev = ndev->phydev;
|
||
|
|
|
||
|
|
if (phy_interface_mode_is_rgmii(pdata->phy_mode)) {
|
||
|
|
if (!phydev)
|
||
|
|
return -ENODEV;
|
||
|
|
|
||
|
|
return phy_ethtool_ksettings_set(phydev, cmd);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (pdata->phy_mode == PHY_INTERFACE_MODE_SGMII) {
|
||
|
|
if (pdata->mdio_driver) {
|
||
|
|
if (!phydev)
|
||
|
|
return -ENODEV;
|
||
|
|
|
||
|
|
return phy_ethtool_ksettings_set(phydev, cmd);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void xgene_get_strings(struct net_device *ndev, u32 stringset, u8 *data)
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
u8 *p = data;
|
||
|
|
|
||
|
|
if (stringset != ETH_SS_STATS)
|
||
|
|
return;
|
||
|
|
|
||
|
|
for (i = 0; i < XGENE_STATS_LEN; i++) {
|
||
|
|
memcpy(p, gstrings_stats[i].name, ETH_GSTRING_LEN);
|
||
|
|
p += ETH_GSTRING_LEN;
|
||
|
|
}
|
||
|
|
|
||
|
|
for (i = 0; i < XGENE_EXTD_STATS_LEN; i++) {
|
||
|
|
memcpy(p, gstrings_extd_stats[i].name, ETH_GSTRING_LEN);
|
||
|
|
p += ETH_GSTRING_LEN;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static int xgene_get_sset_count(struct net_device *ndev, int sset)
|
||
|
|
{
|
||
|
|
if (sset != ETH_SS_STATS)
|
||
|
|
return -EINVAL;
|
||
|
|
|
||
|
|
return XGENE_STATS_LEN + XGENE_EXTD_STATS_LEN;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void xgene_get_extd_stats(struct xgene_enet_pdata *pdata)
|
||
|
|
{
|
||
|
|
u32 rx_drop, tx_drop;
|
||
|
|
u32 mask, tmp;
|
||
|
|
int i;
|
||
|
|
|
||
|
|
for (i = 0; i < XGENE_EXTD_STATS_LEN; i++) {
|
||
|
|
tmp = xgene_enet_rd_stat(pdata, gstrings_extd_stats[i].addr);
|
||
|
|
if (gstrings_extd_stats[i].mask) {
|
||
|
|
mask = GENMASK(gstrings_extd_stats[i].mask - 1, 0);
|
||
|
|
pdata->extd_stats[i] += (tmp & mask);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (pdata->phy_mode == PHY_INTERFACE_MODE_XGMII) {
|
||
|
|
/* Errata 10GE_10 - SW should intepret RALN as 0 */
|
||
|
|
pdata->extd_stats[RALN_IDX] = 0;
|
||
|
|
} else {
|
||
|
|
/* Errata ENET_15 - Fixes RFCS, RFLR, TFCS counter */
|
||
|
|
pdata->extd_stats[RFCS_IDX] -= pdata->extd_stats[RALN_IDX];
|
||
|
|
pdata->extd_stats[RFLR_IDX] -= pdata->extd_stats[RUND_IDX];
|
||
|
|
pdata->extd_stats[TFCS_IDX] -= pdata->extd_stats[TFRG_IDX];
|
||
|
|
}
|
||
|
|
|
||
|
|
pdata->mac_ops->get_drop_cnt(pdata, &rx_drop, &tx_drop);
|
||
|
|
pdata->extd_stats[RX_OVERRUN_IDX] += rx_drop;
|
||
|
|
pdata->extd_stats[TX_UNDERRUN_IDX] += tx_drop;
|
||
|
|
|
||
|
|
/* Errata 10GE_8 - Update Frame recovered from Errata 10GE_8/ENET_11 */
|
||
|
|
pdata->extd_stats[FALSE_RFLR_IDX] = pdata->false_rflr;
|
||
|
|
/* Errata ENET_15 - Jabber Frame recov'ed from Errata 10GE_10/ENET_15 */
|
||
|
|
pdata->extd_stats[FALSE_RJBR_IDX] = pdata->vlan_rjbr;
|
||
|
|
}
|
||
|
|
|
||
|
|
int xgene_extd_stats_init(struct xgene_enet_pdata *pdata)
|
||
|
|
{
|
||
|
|
pdata->extd_stats = devm_kmalloc_array(&pdata->pdev->dev,
|
||
|
|
XGENE_EXTD_STATS_LEN, sizeof(u64), GFP_KERNEL);
|
||
|
|
if (!pdata->extd_stats)
|
||
|
|
return -ENOMEM;
|
||
|
|
|
||
|
|
xgene_get_extd_stats(pdata);
|
||
|
|
memset(pdata->extd_stats, 0, XGENE_EXTD_STATS_LEN * sizeof(u64));
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void xgene_get_ethtool_stats(struct net_device *ndev,
|
||
|
|
struct ethtool_stats *dummy,
|
||
|
|
u64 *data)
|
||
|
|
{
|
||
|
|
struct xgene_enet_pdata *pdata = netdev_priv(ndev);
|
||
|
|
struct rtnl_link_stats64 stats;
|
||
|
|
int i;
|
||
|
|
|
||
|
|
dev_get_stats(ndev, &stats);
|
||
|
|
for (i = 0; i < XGENE_STATS_LEN; i++)
|
||
|
|
data[i] = *(u64 *)((char *)&stats + gstrings_stats[i].offset);
|
||
|
|
|
||
|
|
xgene_get_extd_stats(pdata);
|
||
|
|
for (i = 0; i < XGENE_EXTD_STATS_LEN; i++)
|
||
|
|
data[i + XGENE_STATS_LEN] = pdata->extd_stats[i];
|
||
|
|
}
|
||
|
|
|
||
|
|
static void xgene_get_pauseparam(struct net_device *ndev,
|
||
|
|
struct ethtool_pauseparam *pp)
|
||
|
|
{
|
||
|
|
struct xgene_enet_pdata *pdata = netdev_priv(ndev);
|
||
|
|
|
||
|
|
pp->autoneg = pdata->pause_autoneg;
|
||
|
|
pp->tx_pause = pdata->tx_pause;
|
||
|
|
pp->rx_pause = pdata->rx_pause;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int xgene_set_pauseparam(struct net_device *ndev,
|
||
|
|
struct ethtool_pauseparam *pp)
|
||
|
|
{
|
||
|
|
struct xgene_enet_pdata *pdata = netdev_priv(ndev);
|
||
|
|
struct phy_device *phydev = ndev->phydev;
|
||
|
|
u32 oldadv, newadv;
|
||
|
|
|
||
|
|
if (phy_interface_mode_is_rgmii(pdata->phy_mode) ||
|
||
|
|
pdata->phy_mode == PHY_INTERFACE_MODE_SGMII) {
|
||
|
|
if (!phydev)
|
||
|
|
return -EINVAL;
|
||
|
|
|
||
|
|
if (!(phydev->supported & SUPPORTED_Pause) ||
|
||
|
|
(!(phydev->supported & SUPPORTED_Asym_Pause) &&
|
||
|
|
pp->rx_pause != pp->tx_pause))
|
||
|
|
return -EINVAL;
|
||
|
|
|
||
|
|
pdata->pause_autoneg = pp->autoneg;
|
||
|
|
pdata->tx_pause = pp->tx_pause;
|
||
|
|
pdata->rx_pause = pp->rx_pause;
|
||
|
|
|
||
|
|
oldadv = phydev->advertising;
|
||
|
|
newadv = oldadv & ~(ADVERTISED_Pause | ADVERTISED_Asym_Pause);
|
||
|
|
|
||
|
|
if (pp->rx_pause)
|
||
|
|
newadv |= ADVERTISED_Pause | ADVERTISED_Asym_Pause;
|
||
|
|
|
||
|
|
if (pp->tx_pause)
|
||
|
|
newadv ^= ADVERTISED_Asym_Pause;
|
||
|
|
|
||
|
|
if (oldadv ^ newadv) {
|
||
|
|
phydev->advertising = newadv;
|
||
|
|
|
||
|
|
if (phydev->autoneg)
|
||
|
|
return phy_start_aneg(phydev);
|
||
|
|
|
||
|
|
if (!pp->autoneg) {
|
||
|
|
pdata->mac_ops->flowctl_tx(pdata,
|
||
|
|
pdata->tx_pause);
|
||
|
|
pdata->mac_ops->flowctl_rx(pdata,
|
||
|
|
pdata->rx_pause);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
} else {
|
||
|
|
if (pp->autoneg)
|
||
|
|
return -EINVAL;
|
||
|
|
|
||
|
|
pdata->tx_pause = pp->tx_pause;
|
||
|
|
pdata->rx_pause = pp->rx_pause;
|
||
|
|
|
||
|
|
pdata->mac_ops->flowctl_tx(pdata, pdata->tx_pause);
|
||
|
|
pdata->mac_ops->flowctl_rx(pdata, pdata->rx_pause);
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct ethtool_ops xgene_ethtool_ops = {
|
||
|
|
.get_drvinfo = xgene_get_drvinfo,
|
||
|
|
.get_link = ethtool_op_get_link,
|
||
|
|
.get_strings = xgene_get_strings,
|
||
|
|
.get_sset_count = xgene_get_sset_count,
|
||
|
|
.get_ethtool_stats = xgene_get_ethtool_stats,
|
||
|
|
.get_link_ksettings = xgene_get_link_ksettings,
|
||
|
|
.set_link_ksettings = xgene_set_link_ksettings,
|
||
|
|
.get_pauseparam = xgene_get_pauseparam,
|
||
|
|
.set_pauseparam = xgene_set_pauseparam
|
||
|
|
};
|
||
|
|
|
||
|
|
void xgene_enet_set_ethtool_ops(struct net_device *ndev)
|
||
|
|
{
|
||
|
|
ndev->ethtool_ops = &xgene_ethtool_ops;
|
||
|
|
}
|