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Copy pathmv_pp2x_ethtool.c
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mv_pp2x_ethtool.c
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/*
* ***************************************************************************
* Copyright (C) 2016 Marvell International Ltd.
* ***************************************************************************
* 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 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/kernel.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/platform_device.h>
#include <linux/skbuff.h>
#include <linux/inetdevice.h>
#include <linux/mbus.h>
#include <linux/module.h>
#include <linux/interrupt.h>
#include <linux/cpumask.h>
#include <linux/version.h>
#include <linux/of.h>
#include <linux/of_irq.h>
#include <linux/of_mdio.h>
#include <linux/of_net.h>
#include <linux/of_address.h>
#include <linux/phy.h>
#include <linux/clk.h>
#include <uapi/linux/ppp_defs.h>
#include <net/ip.h>
#include <net/ipv6.h>
#include <linux/phy/phy.h>
#include <dt-bindings/phy/phy-comphy-mvebu.h>
#include "mv_pp2x.h"
#include "mv_pp2x_hw.h"
#include "mv_gop110_hw.h"
#define MV_PP2_STATS_LEN ARRAY_SIZE(mv_pp2x_gstrings_stats)
#define MV_PP2_TEST_LEN ARRAY_SIZE(mv_pp2x_gstrings_test)
#define MV_PP2_REGS_GMAC_LEN 54
#define MV_PP2_REGS_XLG_LEN 25
#define MV_PP2_TEST_MASK1 0xFFFF
#define MV_PP2_TEST_MASK2 0x00FE
#define MV_PP2_TEST_MASK3 0x0
#define MV_PP2_TEST_PATTERN1 0xFFFF
#define MV_PP2_TEST_PATTERN2 0x00FE
#define MV_PP2_TEST_PATTERN3 0x0
static const char mv_pp2x_gstrings_test[][ETH_GSTRING_LEN] = {
"Link test (on/offline)",
"register test (on/offline)",
};
static const char mv_pp2x_gstrings_stats[][ETH_GSTRING_LEN] = {
/* device-specific stats */
"rx_bytes", "rx_frames", "rx_unicast", "rx_mcast", "rx_bcast",
"tx_bytes", "tx_frames", "tx_unicast", "tx_mcast", "tx_bcast",
"rx_pause", "tx_pause", "rx_mac_overrun", "rx_crc", "rx_runt",
"rx_giant", "rx_fragments_err", "rx_mac_err", "rx_jabber", "rx_ppv2_overrun",
"rx_cls_drop", "rx_fullq_drop", "rx_early_drop", "rx_bm_drop",
"rx_total_err", "rx_sw_drop", "rx_hw_drop", "tx_crc_sent",
"tx_drop", "collision", "late_collision", "frames_64", "frames_65_to_127",
"frames_128_to_255", "frames_256_to_511", "frames_512_to_1023", "frames_1024_to_max",
};
int mv_pp2x_check_speed_duplex_valid(struct ethtool_cmd *cmd,
struct mv_port_link_status *pstatus)
{
switch (cmd->duplex) {
case DUPLEX_FULL:
pstatus->duplex = MV_PORT_DUPLEX_FULL;
break;
case DUPLEX_HALF:
pstatus->duplex = MV_PORT_DUPLEX_HALF;
break;
case DUPLEX_UNKNOWN:
if (cmd->speed == SPEED_1000) {
pstatus->duplex = MV_PORT_DUPLEX_FULL;
} else {
pstatus->duplex = MV_PORT_DUPLEX_FULL;
pr_err("Unknown duplex configuration, full duplex set\n");
}
break;
default:
pr_err("Wrong duplex configuration\n");
return -1;
}
switch (cmd->speed) {
case SPEED_100:
pstatus->speed = MV_PORT_SPEED_100;
return 0;
case SPEED_10:
pstatus->speed = MV_PORT_SPEED_10;
return 0;
case SPEED_1000:
pstatus->speed = MV_PORT_SPEED_1000;
if (cmd->duplex)
return 0;
pr_err("1G port doesn't support half duplex\n");
return -1;
default:
pr_err("Wrong speed configuration\n");
return -1;
}
}
int mv_pp2x_autoneg_gmac_check_valid(struct mv_mac_data *mac, struct gop_hw *gop,
struct ethtool_cmd *cmd, struct mv_port_link_status *pstatus)
{
int port_num = mac->gop_index;
int err;
err = mv_gop110_check_port_type(gop, port_num);
if (err) {
if (cmd->autoneg) {
pr_err("GOP %d set to 1000Base-X and doesn't support autonegotiation\n", port_num);
return -EINVAL;
}
return 0;
}
if (!cmd->autoneg) {
err = mv_pp2x_check_speed_duplex_valid(cmd, pstatus);
if (err)
return -EINVAL;
}
return 0;
}
int mv_pp2x_autoneg_xlg_check_valid(struct mv_mac_data *mac, struct ethtool_cmd *cmd)
{
int port_num = mac->gop_index;
if (cmd->autoneg) {
pr_err("XLG GOP %d doesn't support autonegotiation\n", port_num);
return -EINVAL;
}
return 0;
}
void mv_pp2x_ethtool_valid_coalesce(struct ethtool_coalesce *c,
struct mv_pp2x_port *port)
{
u64 val;
if (c->rx_max_coalesced_frames > MVPP2_MAX_OCCUPIED_THRESH)
pr_err("RX coalesced frames value too high, rounded to %d\n",
MVPP2_MAX_OCCUPIED_THRESH);
if (c->tx_max_coalesced_frames > MVPP2_MAX_TRANSMITTED_THRESH) {
pr_err("TX coalesced frames value too high, rounded to %d\n",
MVPP2_MAX_TRANSMITTED_THRESH);
c->tx_max_coalesced_frames = MVPP2_MAX_TRANSMITTED_THRESH;
}
val = (port->priv->hw.tclk / USEC_PER_SEC) * c->rx_coalesce_usecs;
if (val > MVPP2_MAX_ISR_RX_THRESHOLD)
pr_err("RX coalesced time value too high, rounded to %ld usecs\n",
(MVPP2_MAX_ISR_RX_THRESHOLD * USEC_PER_SEC)
/ port->priv->hw.tclk);
val = (port->priv->hw.tclk / USEC_PER_SEC) * c->tx_coalesce_usecs;
if (val > MVPP22_MAX_ISR_TX_THRESHOLD) {
pr_err("TX coalesced time value too high, rounded to %ld usecs\n",
(MVPP22_MAX_ISR_TX_THRESHOLD * USEC_PER_SEC)
/ port->priv->hw.tclk);
c->tx_coalesce_usecs =
(MVPP22_MAX_ISR_TX_THRESHOLD * USEC_PER_SEC)
/ port->priv->hw.tclk;
}
}
/* Ethtool methods */
/* Ethtool statistic */
static void mv_pp2x_eth_tool_get_ethtool_stats(struct net_device *dev,
struct ethtool_stats *stats, u64 *data)
{
struct mv_pp2x_port *port = netdev_priv(dev);
struct mv_mac_data *mac = &port->mac_data;
struct gop_hw *gop = &port->priv->hw.gop;
int gop_port = mac->gop_index;
struct gop_stat *gop_statistics = &mac->gop_statistics;
int i = 0;
if (port->priv->pp2_version == PPV21)
return;
mv_gop110_mib_counters_stat_update(gop, gop_port, gop_statistics);
mv_pp2x_counters_stat_update(port, gop_statistics);
data[i++] = gop_statistics->rx_byte;
data[i++] = gop_statistics->rx_frames;
data[i++] = gop_statistics->rx_unicast;
data[i++] = gop_statistics->rx_mcast;
data[i++] = gop_statistics->rx_bcast;
data[i++] = gop_statistics->tx_byte;
data[i++] = gop_statistics->tx_frames;
data[i++] = gop_statistics->tx_unicast;
data[i++] = gop_statistics->tx_mcast;
data[i++] = gop_statistics->tx_bcast;
data[i++] = gop_statistics->rx_pause;
data[i++] = gop_statistics->tx_pause;
data[i++] = gop_statistics->rx_mac_overrun;
data[i++] = gop_statistics->rx_crc;
data[i++] = gop_statistics->rx_runt;
data[i++] = gop_statistics->rx_giant;
data[i++] = gop_statistics->rx_fragments_err;
data[i++] = gop_statistics->rx_mac_err;
data[i++] = gop_statistics->rx_jabber;
data[i++] = gop_statistics->rx_ppv2_overrun;
data[i++] = gop_statistics->rx_cls_drop;
data[i++] = gop_statistics->rx_fullq_drop;
data[i++] = gop_statistics->rx_early_drop;
data[i++] = gop_statistics->rx_bm_drop;
data[i++] = gop_statistics->rx_total_err;
data[i++] = gop_statistics->rx_sw_drop;
data[i++] = gop_statistics->rx_hw_drop;
data[i++] = gop_statistics->tx_crc_sent;
data[i++] = dev->stats.tx_dropped;
data[i++] = gop_statistics->collision;
data[i++] = gop_statistics->late_collision;
data[i++] = gop_statistics->frames_64;
data[i++] = gop_statistics->frames_65_to_127;
data[i++] = gop_statistics->frames_128_to_255;
data[i++] = gop_statistics->frames_256_to_511;
data[i++] = gop_statistics->frames_512_to_1023;
data[i++] = gop_statistics->frames_1024_to_max;
}
static void mv_pp2x_eth_tool_get_strings(struct net_device *dev,
u32 stringset, u8 *data)
{
switch (stringset) {
case ETH_SS_TEST:
memcpy(data, *mv_pp2x_gstrings_test, sizeof(mv_pp2x_gstrings_test));
break;
case ETH_SS_STATS:
memcpy(data, *mv_pp2x_gstrings_stats, sizeof(mv_pp2x_gstrings_stats));
break;
default:
break;
}
}
static int mv_pp2x_eth_tool_get_sset_count(struct net_device *dev, int sset)
{
switch (sset) {
case ETH_SS_TEST:
return MV_PP2_TEST_LEN;
case ETH_SS_STATS:
return MV_PP2_STATS_LEN;
default:
return -EOPNOTSUPP;
}
}
/* Restart autonegotiation function */
int mv_pp2x_eth_tool_nway_reset(struct net_device *dev)
{
struct mv_pp2x_port *port = netdev_priv(dev);
struct gop_hw *gop = &port->priv->hw.gop;
struct mv_mac_data *mac = &port->mac_data;
int err;
if (port->priv->pp2_version == PPV21)
return -EOPNOTSUPP;
if (!(mac->flags & MV_EMAC_F_INIT)) {
pr_err("%s: interface %s is not initialized\n", __func__, dev->name);
return -EOPNOTSUPP;
}
switch (mac->phy_mode) {
case PHY_INTERFACE_MODE_RGMII:
case PHY_INTERFACE_MODE_SGMII:
case PHY_INTERFACE_MODE_QSGMII:
err = mv_gop110_check_port_type(gop, mac->gop_index);
if (err) {
pr_err("GOP %d set to 1000Base-X\n", mac->gop_index);
return -EINVAL;
}
mv_gop110_autoneg_restart(gop, mac);
break;
case PHY_INTERFACE_MODE_XAUI:
case PHY_INTERFACE_MODE_RXAUI:
case PHY_INTERFACE_MODE_KR:
case PHY_INTERFACE_MODE_SFI:
case PHY_INTERFACE_MODE_XFI:
pr_err("XLG GOP %d doesn't support autonegotiation\n", mac->gop_index);
return -ENODEV;
break;
default:
pr_err("%s: Wrong port mode (%d)\n", __func__, mac->phy_mode);
return -1;
}
return 0;
}
/* Get pause fc settings for ethtools */
static void mv_pp2x_get_pauseparam(struct net_device *dev,
struct ethtool_pauseparam *pause)
{
struct mv_pp2x_port *port = netdev_priv(dev);
struct mv_port_link_status status;
struct mv_mac_data *mac = &port->mac_data;
struct gop_hw *gop = &port->priv->hw.gop;
int gop_port = mac->gop_index;
phy_interface_t phy_mode;
if (port->priv->pp2_version == PPV21)
return;
phy_mode = port->mac_data.phy_mode;
switch (phy_mode) {
case PHY_INTERFACE_MODE_RGMII:
case PHY_INTERFACE_MODE_SGMII:
case PHY_INTERFACE_MODE_QSGMII:
mv_gop110_port_link_status(gop, mac, &status);
pause->autoneg =
(status.autoneg_fc ? AUTONEG_ENABLE : AUTONEG_DISABLE);
break;
case PHY_INTERFACE_MODE_XAUI:
case PHY_INTERFACE_MODE_RXAUI:
case PHY_INTERFACE_MODE_KR:
case PHY_INTERFACE_MODE_SFI:
case PHY_INTERFACE_MODE_XFI:
mv_gop110_port_link_status(gop, mac, &status);
pause->autoneg = AUTONEG_DISABLE;
break;
default:
pr_err("%s: Wrong port mode (%d)", __func__, phy_mode);
return;
}
if (status.rx_fc == MV_PORT_FC_ACTIVE || status.rx_fc == MV_PORT_FC_ENABLE)
pause->rx_pause = 1;
if (mv_gop110_check_fca_tx_state(gop, gop_port)) {
pause->tx_pause = 1;
return;
}
if (status.tx_fc == MV_PORT_FC_ACTIVE || status.tx_fc == MV_PORT_FC_ENABLE)
pause->tx_pause = 1;
}
/* Set pause fc settings for ethtools */
static int mv_pp2x_set_pauseparam(struct net_device *dev,
struct ethtool_pauseparam *pause)
{
struct mv_pp2x_port *port = netdev_priv(dev);
struct mv_mac_data *mac = &port->mac_data;
struct gop_hw *gop = &port->priv->hw.gop;
int gop_port = mac->gop_index;
phy_interface_t phy_mode;
int err;
if (port->priv->pp2_version == PPV21)
return -EOPNOTSUPP;
if (!(mac->flags & MV_EMAC_F_INIT)) {
pr_err("%s: interface %s is not initialized\n", __func__, dev->name);
return -EOPNOTSUPP;
}
phy_mode = port->mac_data.phy_mode;
switch (phy_mode) {
case PHY_INTERFACE_MODE_RGMII:
case PHY_INTERFACE_MODE_SGMII:
case PHY_INTERFACE_MODE_QSGMII:
if (mac->speed == SPEED_2500) {
err = mv_gop110_check_port_type(gop, gop_port);
if (err) {
pr_err("Peridot module doesn't support FC\n");
return -EINVAL;
}
}
mv_gop110_force_link_mode_set(gop, mac, false, true);
if (pause->autoneg) {
mv_gop110_gmac_fc_set(gop, gop_port, MV_PORT_FC_AN_SYM);
mv_gop110_autoneg_restart(gop, mac);
mv_gop110_fca_send_periodic(gop, gop_port, false);
}
else {
mv_gop110_gmac_fc_set(gop, gop_port, MV_PORT_FC_AN_NO);
mv_gop110_fca_send_periodic(gop, gop_port, true);
}
if (pause->rx_pause)
mv_gop110_gmac_fc_set(gop, gop_port, MV_PORT_FC_RX_ENABLE);
else
mv_gop110_gmac_fc_set(gop, gop_port, MV_PORT_FC_RX_DISABLE);
if (pause->tx_pause) {
mv_gop110_gmac_fc_set(gop, gop_port, MV_PORT_FC_TX_ENABLE);
mv_gop110_fca_tx_enable(gop, gop_port, false);
}
else {
mv_gop110_gmac_fc_set(gop, gop_port, MV_PORT_FC_TX_DISABLE);
mv_gop110_fca_tx_enable(gop, gop_port, true);
}
mv_gop110_force_link_mode_set(gop, mac, false, false);
break;
case PHY_INTERFACE_MODE_XAUI:
case PHY_INTERFACE_MODE_RXAUI:
case PHY_INTERFACE_MODE_KR:
case PHY_INTERFACE_MODE_SFI:
case PHY_INTERFACE_MODE_XFI:
if (pause->autoneg) {
pr_err("10G port doesn't support fc autoneg\n");
return -EINVAL;
}
if (pause->rx_pause)
mv_gop110_xlg_mac_fc_set(gop, gop_port, MV_PORT_FC_RX_ENABLE);
else
mv_gop110_xlg_mac_fc_set(gop, gop_port, MV_PORT_FC_RX_DISABLE);
if (pause->tx_pause) {
mv_gop110_fca_tx_enable(gop, gop_port, false);
} else {
mv_gop110_xlg_mac_fc_set(gop, gop_port, MV_PORT_FC_TX_DISABLE);
mv_gop110_fca_tx_enable(gop, gop_port, true);
}
break;
default:
pr_err("%s: Wrong port mode (%d)", __func__, phy_mode);
return -EINVAL;
}
return 0;
}
/* Get settings (phy address, speed) for ethtools */
static int mv_pp2x_ethtool_get_settings(struct net_device *dev,
struct ethtool_cmd *cmd)
{
struct mv_pp2x_port *port = netdev_priv(dev);
struct mv_port_link_status status;
phy_interface_t phy_mode;
if (port->priv->pp2_version == PPV21) {
if (!port->mac_data.phy_dev)
return -ENODEV;
return phy_ethtool_gset(port->mac_data.phy_dev, cmd);
}
/* No Phy device mngmt */
if (!port->mac_data.phy_dev) {
/*for force link port, RXAUI port and link-down ports,
* follow old strategy
*/
mv_gop110_port_link_status(&port->priv->hw.gop,
&port->mac_data, &status);
if (status.linkup) {
switch (status.speed) {
case MV_PORT_SPEED_10000:
cmd->speed = SPEED_10000;
break;
case MV_PORT_SPEED_1000:
cmd->speed = SPEED_1000;
break;
case MV_PORT_SPEED_100:
cmd->speed = SPEED_100;
break;
case MV_PORT_SPEED_10:
cmd->speed = SPEED_10;
break;
default:
return -EINVAL;
}
if (status.duplex == MV_PORT_DUPLEX_FULL)
cmd->duplex = 1;
else
cmd->duplex = 0;
} else {
cmd->speed = SPEED_UNKNOWN;
cmd->duplex = SPEED_UNKNOWN;
}
phy_mode = port->mac_data.phy_mode;
if ((phy_mode == PHY_INTERFACE_MODE_XAUI) ||
(phy_mode == PHY_INTERFACE_MODE_RXAUI) ||
(phy_mode == PHY_INTERFACE_MODE_KR) ||
(phy_mode == PHY_INTERFACE_MODE_SFI) ||
(phy_mode == PHY_INTERFACE_MODE_XFI)) {
cmd->autoneg = AUTONEG_DISABLE;
cmd->supported = (SUPPORTED_10000baseT_Full |
SUPPORTED_FIBRE);
cmd->advertising = (ADVERTISED_10000baseT_Full |
ADVERTISED_FIBRE);
cmd->port = PORT_FIBRE;
cmd->transceiver = XCVR_EXTERNAL;
} else {
cmd->supported = (SUPPORTED_10baseT_Half |
SUPPORTED_10baseT_Full |
SUPPORTED_100baseT_Half |
SUPPORTED_100baseT_Full |
SUPPORTED_Autoneg | SUPPORTED_TP |
SUPPORTED_MII | SUPPORTED_1000baseT_Full);
cmd->advertising = (ADVERTISED_10baseT_Half |
ADVERTISED_10baseT_Full |
ADVERTISED_100baseT_Half |
ADVERTISED_100baseT_Full |
ADVERTISED_1000baseT_Full |
ADVERTISED_Autoneg | ADVERTISED_TP |
ADVERTISED_MII);
cmd->transceiver = XCVR_INTERNAL;
cmd->port = PORT_MII;
/* check if speed and duplex are AN */
if (mv_gop110_port_autoneg_status(&port->priv->hw.gop,
&port->mac_data)) {
cmd->autoneg = AUTONEG_ENABLE;
} else {
cmd->autoneg = AUTONEG_DISABLE;
}
}
return 0;
}
return phy_ethtool_gset(port->mac_data.phy_dev, cmd);
}
void mv_pp2x_ethtool_set_gmac_config(struct mv_port_link_status status, struct gop_hw *gop,
int gop_port, struct mv_mac_data *mac, struct ethtool_cmd *cmd)
{
mv_gop110_force_link_mode_set(gop, mac, false, true);
mv_gop110_gmac_set_autoneg(gop, mac, cmd->autoneg);
if (cmd->autoneg) {
mv_gop110_autoneg_restart(gop, mac);
mv_gop110_gmac_fc_set(gop, gop_port, MV_PORT_FC_AN_SYM);
} else {
mv_gop110_gmac_speed_duplex_set(gop, gop_port, status.speed, status.duplex);
mv_gop110_gmac_fc_set(gop, gop_port, MV_PORT_FC_AN_NO);
}
mv_gop110_force_link_mode_set(gop, mac, false, false);
}
/* Set settings (phy address, speed) for ethtools */
static int mv_pp2x_ethtool_set_settings(struct net_device *dev,
struct ethtool_cmd *cmd)
{
struct mv_pp2x_port *port = netdev_priv(dev);
int err;
struct mv_port_link_status status;
struct gop_hw *gop = &port->priv->hw.gop;
struct mv_mac_data *mac = &port->mac_data;
int gop_port = mac->gop_index;
/* PPv21 - only PHY should be configured
* PPv22 - set Serdes&GoP configuration and then configure PHY
*/
if (port->priv->pp2_version == PPV21) {
if (!port->mac_data.phy_dev)
return -ENODEV;
else
return phy_ethtool_sset(port->mac_data.phy_dev, cmd);
}
if (port->comphy) {
err = mv_gop110_update_comphy(port, (u32)cmd->speed);
if (err < 0)
return err;
}
switch (mac->phy_mode) {
case PHY_INTERFACE_MODE_RGMII:
case PHY_INTERFACE_MODE_SGMII:
case PHY_INTERFACE_MODE_QSGMII:
err = mv_pp2x_autoneg_gmac_check_valid(mac, gop, cmd, &status);
if (err < 0)
return err;
if (cmd->speed != SPEED_2500)
mv_pp2x_ethtool_set_gmac_config(status, gop, gop_port, mac, cmd);
break;
case PHY_INTERFACE_MODE_XAUI:
case PHY_INTERFACE_MODE_RXAUI:
case PHY_INTERFACE_MODE_KR:
case PHY_INTERFACE_MODE_SFI:
case PHY_INTERFACE_MODE_XFI:
mv_pp2x_autoneg_xlg_check_valid(mac, cmd);
if (err < 0)
return err;
break;
default:
pr_err("Wrong port mode (%d)\n", mac->phy_mode);
return -1;
}
if (port->mac_data.phy_dev)
return phy_ethtool_sset(port->mac_data.phy_dev, cmd);
return 0;
}
/* Set interrupt coalescing for ethtools */
static int mv_pp2x_ethtool_set_coalesce(struct net_device *dev,
struct ethtool_coalesce *c)
{
struct mv_pp2x_port *port = netdev_priv(dev);
int queue;
/* Check for not supported parameters */
if ((c->rx_coalesce_usecs_irq) ||
(c->rx_max_coalesced_frames_irq) ||
(c->tx_coalesce_usecs_irq) ||
(c->tx_max_coalesced_frames_irq) ||
(c->stats_block_coalesce_usecs) ||
(c->use_adaptive_rx_coalesce) ||
(c->use_adaptive_tx_coalesce) ||
(c->pkt_rate_low) ||
(c->rx_coalesce_usecs_low) ||
(c->rx_max_coalesced_frames_low) ||
(c->tx_coalesce_usecs_low) ||
(c->tx_max_coalesced_frames_low) ||
(c->pkt_rate_high) ||
(c->rx_coalesce_usecs_high) ||
(c->rx_max_coalesced_frames_high) ||
(c->tx_coalesce_usecs_high) ||
(c->tx_max_coalesced_frames_high) ||
(c->rate_sample_interval)) {
netdev_err(dev, "unsupported coalescing parameter\n");
return -EOPNOTSUPP;
}
mv_pp2x_ethtool_valid_coalesce(c, port);
for (queue = 0; queue < port->num_rx_queues; queue++) {
struct mv_pp2x_rx_queue *rxq = port->rxqs[queue];
rxq->time_coal = c->rx_coalesce_usecs;
rxq->pkts_coal = c->rx_max_coalesced_frames;
mv_pp2x_rx_pkts_coal_set(port, rxq);
mv_pp2x_rx_time_coal_set(port, rxq);
}
port->tx_time_coal = c->tx_coalesce_usecs;
for (queue = 0; queue < port->num_tx_queues; queue++) {
struct mv_pp2x_tx_queue *txq = port->txqs[queue];
txq->pkts_coal = c->tx_max_coalesced_frames;
}
if (port->priv->pp2xdata->interrupt_tx_done) {
mv_pp2x_tx_done_time_coal_set(port, port->tx_time_coal);
on_each_cpu(mv_pp2x_tx_done_pkts_coal_set, port, 1);
}
return 0;
}
/* get coalescing for ethtools */
static int mv_pp2x_ethtool_get_coalesce(struct net_device *dev,
struct ethtool_coalesce *c)
{
struct mv_pp2x_port *port = netdev_priv(dev);
c->rx_coalesce_usecs = port->rxqs[0]->time_coal;
c->rx_max_coalesced_frames = port->rxqs[0]->pkts_coal;
c->tx_max_coalesced_frames = port->txqs[0]->pkts_coal;
c->tx_coalesce_usecs = port->tx_time_coal;
return 0;
}
static void mv_pp2x_ethtool_get_drvinfo(struct net_device *dev,
struct ethtool_drvinfo *drvinfo)
{
strlcpy(drvinfo->driver, MVPP2_DRIVER_NAME,
sizeof(drvinfo->driver));
strlcpy(drvinfo->version, MVPP2_DRIVER_VERSION,
sizeof(drvinfo->version));
strlcpy(drvinfo->bus_info, dev_name(&dev->dev),
sizeof(drvinfo->bus_info));
}
static void mv_pp2x_ethtool_get_ringparam(struct net_device *dev,
struct ethtool_ringparam *ring)
{
struct mv_pp2x_port *port = netdev_priv(dev);
ring->rx_max_pending = MVPP2_MAX_RXD;
ring->tx_max_pending = MVPP2_MAX_TXD;
ring->rx_pending = port->rx_ring_size;
ring->tx_pending = port->tx_ring_size;
}
static int mv_pp2x_ethtool_set_ringparam(struct net_device *dev,
struct ethtool_ringparam *ring)
{
struct mv_pp2x_port *port = netdev_priv(dev);
u16 prev_rx_ring_size = port->rx_ring_size;
u16 prev_tx_ring_size = port->tx_ring_size;
int err;
err = mv_pp2x_check_ringparam_valid(dev, ring);
if (err)
return err;
if (!netif_running(dev)) {
port->rx_ring_size = ring->rx_pending;
port->tx_ring_size = ring->tx_pending;
return 0;
}
/* The interface is running, so we have to force a
* reallocation of the queues
*/
mv_pp2x_stop_dev(port);
mv_pp2x_cleanup_rxqs(port);
mv_pp2x_cleanup_txqs(port);
port->rx_ring_size = ring->rx_pending;
port->tx_ring_size = ring->tx_pending;
err = mv_pp2x_setup_rxqs(port);
if (err) {
/* Reallocate Rx queues with the original ring size */
port->rx_ring_size = prev_rx_ring_size;
ring->rx_pending = prev_rx_ring_size;
err = mv_pp2x_setup_rxqs(port);
if (err)
goto err_out;
}
err = mv_pp2x_setup_txqs(port);
if (err) {
/* Reallocate Tx queues with the original ring size */
port->tx_ring_size = prev_tx_ring_size;
ring->tx_pending = prev_tx_ring_size;
err = mv_pp2x_setup_txqs(port);
if (err)
goto err_clean_rxqs;
}
mv_pp2x_start_dev(port);
return 0;
err_clean_rxqs:
mv_pp2x_cleanup_rxqs(port);
err_out:
netdev_err(dev, "fail to change ring parameters");
return err;
}
static u32 mv_pp2x_ethtool_get_rxfh_indir_size(struct net_device *dev)
{
struct mv_pp2x_port *port = netdev_priv(dev);
if (port->priv->pp2_version == PPV21)
return -EOPNOTSUPP;
return ARRAY_SIZE(port->priv->rx_indir_table);
}
static int mv_pp2x_get_rss_hash_opts(struct mv_pp2x_port *port,
struct ethtool_rxnfc *nfc)
{
switch (nfc->flow_type) {
case TCP_V4_FLOW:
case TCP_V6_FLOW:
nfc->data |= RXH_IP_SRC | RXH_IP_DST;
nfc->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
break;
case UDP_V4_FLOW:
case UDP_V6_FLOW:
nfc->data |= RXH_IP_SRC | RXH_IP_DST;
if (port->rss_cfg.rss_mode == MVPP2_RSS_NF_UDP_5T)
nfc->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
break;
case IPV4_FLOW:
case IPV6_FLOW:
nfc->data |= RXH_IP_SRC | RXH_IP_DST;
break;
default:
return -EOPNOTSUPP;
}
return 0;
}
static int mv_pp2x_ethtool_get_rxnfc(struct net_device *dev,
struct ethtool_rxnfc *cmd,
u32 *rules)
{
struct mv_pp2x_port *port = netdev_priv(dev);
int ret = -EOPNOTSUPP;
if (port->priv->pp2_version == PPV21)
return -EOPNOTSUPP;
if (port->priv->pp2_cfg.queue_mode == MVPP2_QDIST_SINGLE_MODE)
return -EOPNOTSUPP;
if (!port)
return -EIO;
switch (cmd->cmd) {
case ETHTOOL_GRXRINGS:
cmd->data = ARRAY_SIZE(port->priv->rx_indir_table);
ret = 0;
break;
case ETHTOOL_GRXFH:
ret = mv_pp2x_get_rss_hash_opts(port, cmd);
break;
default:
break;
}
return ret;
}
static int mv_pp2x_set_rss_hash_opt(struct mv_pp2x_port *port,
struct ethtool_rxnfc *nfc)
{
if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST |
RXH_L4_B_0_1 | RXH_L4_B_2_3))
return -EINVAL;
switch (nfc->flow_type) {
case TCP_V4_FLOW:
case TCP_V6_FLOW:
if (!(nfc->data & RXH_IP_SRC) ||
!(nfc->data & RXH_IP_DST) ||
!(nfc->data & RXH_L4_B_0_1) ||
!(nfc->data & RXH_L4_B_2_3))
return -EINVAL;
break;
case UDP_V4_FLOW:
case UDP_V6_FLOW:
if (!(nfc->data & RXH_IP_SRC) ||
!(nfc->data & RXH_IP_DST))
return -EINVAL;
switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
case 0:
mv_pp22_rss_mode_set(port, MVPP2_RSS_NF_UDP_2T);
break;
case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
mv_pp22_rss_mode_set(port, MVPP2_RSS_NF_UDP_5T);
break;
default:
return -EINVAL;
}
break;
default:
return -EINVAL;
}
return 0;
}
static int mv_pp2x_ethtool_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
{
struct mv_pp2x_port *port = netdev_priv(dev);
int ret = -EOPNOTSUPP;
if (port->priv->pp2_version == PPV21)
return -EOPNOTSUPP;
/* Single mode doesn't support RSS features */
if (port->priv->pp2_cfg.queue_mode == MVPP2_QDIST_SINGLE_MODE)
return -EOPNOTSUPP;
switch (cmd->cmd) {
case ETHTOOL_SRXFH:
ret = mv_pp2x_set_rss_hash_opt(port, cmd);
break;
default:
break;
}
return ret;
}
static int mv_pp2x_ethtool_get_rxfh(struct net_device *dev, u32 *indir, u8 *key,
u8 *hfunc)
{
size_t copy_size;
struct mv_pp2x_port *port = netdev_priv(dev);
if (port->priv->pp2_version == PPV21)
return -EOPNOTSUPP;
/* Single mode doesn't support RSS features */
if (port->priv->pp2_cfg.queue_mode == MVPP2_QDIST_SINGLE_MODE)
return -EOPNOTSUPP;
if (hfunc)
*hfunc = ETH_RSS_HASH_TOP;
if (!indir)
return 0;
copy_size = ARRAY_SIZE(port->priv->rx_indir_table);
memcpy(indir, port->priv->rx_indir_table, copy_size * sizeof(u32));
return 0;
}
static int mv_pp2x_ethtool_set_rxfh(struct net_device *dev, const u32 *indir,
const u8 *key, const u8 hfunc)
{
int i, err;
struct mv_pp2x_port *port = netdev_priv(dev);
if (port->priv->pp2_version == PPV21)
return -EOPNOTSUPP;
/* Single mode doesn't support RSS features */
if (port->priv->pp2_cfg.queue_mode == MVPP2_QDIST_SINGLE_MODE)
return -EOPNOTSUPP;
/* We require at least one supported parameter to be changed
* and no change in any of the unsupported parameters
*/
if (key ||
(hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP))
return -EOPNOTSUPP;
if (!indir)
return 0;
for (i = 0; i < ARRAY_SIZE(port->priv->rx_indir_table); i++)
port->priv->rx_indir_table[i] = indir[i];
err = mv_pp22_rss_rxfh_indir_set(port);
if (err) {
netdev_err(dev, "fail to change rxfh indir table");
return err;
}
return 0;
}
static int mv_pp2x_ethtool_get_regs_len(struct net_device *dev)
{
struct mv_pp2x_port *port = netdev_priv(dev);
struct mv_mac_data *mac = &port->mac_data;
if (port->priv->pp2_version == PPV21)
return -EOPNOTSUPP;
switch (mac->phy_mode) {
case PHY_INTERFACE_MODE_RGMII:
case PHY_INTERFACE_MODE_SGMII:
case PHY_INTERFACE_MODE_QSGMII:
return MV_PP2_REGS_GMAC_LEN * sizeof(u32);
case PHY_INTERFACE_MODE_XAUI:
case PHY_INTERFACE_MODE_RXAUI:
case PHY_INTERFACE_MODE_KR:
case PHY_INTERFACE_MODE_SFI:
case PHY_INTERFACE_MODE_XFI:
return MV_PP2_REGS_XLG_LEN * sizeof(u32);
default:
pr_err("%s: Wrong port mode (%d)", __func__, mac->phy_mode);
return -1;
}
}
/*ethtool get registers function */
static void mv_pp2x_ethtool_get_regs(struct net_device *dev,
struct ethtool_regs *regs, void *p)
{
struct mv_pp2x_port *port = netdev_priv(dev);
struct mv_mac_data *mac = &port->mac_data;
if (port->priv->pp2_version == PPV21)
return;
if (!port) {
netdev_err(dev, "%s is not supported on %s\n",
__func__, dev->name);
return;
}
regs->version = port->priv->pp2_version;
switch (mac->phy_mode) {
case PHY_INTERFACE_MODE_RGMII:
case PHY_INTERFACE_MODE_SGMII:
case PHY_INTERFACE_MODE_QSGMII:
memset(p, 0, MV_PP2_REGS_GMAC_LEN * sizeof(u32));
mv_gop110_gmac_registers_dump(port, p);