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net: ag71xx: add ethtool support

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Add basic ethtool support. The functionality was tested on AR9331 SoC.

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Oleksij Rempel 2020-09-11 10:25:27 +02:00 committed by David S. Miller
parent d324fa8021
commit 3558698b9f
1 changed files with 147 additions and 0 deletions
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147
drivers/net/ethernet/atheros/ag71xx.c
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@ -235,6 +235,59 @@
| NETIF_MSG_RX_ERR \
| NETIF_MSG_TX_ERR)
struct ag71xx_statistic {
unsigned short offset;
u32 mask;
const char name[ETH_GSTRING_LEN];
};
static const struct ag71xx_statistic ag71xx_statistics[] = {
{ 0x0080, GENMASK(17, 0), "Tx/Rx 64 Byte", },
{ 0x0084, GENMASK(17, 0), "Tx/Rx 65-127 Byte", },
{ 0x0088, GENMASK(17, 0), "Tx/Rx 128-255 Byte", },
{ 0x008C, GENMASK(17, 0), "Tx/Rx 256-511 Byte", },
{ 0x0090, GENMASK(17, 0), "Tx/Rx 512-1023 Byte", },
{ 0x0094, GENMASK(17, 0), "Tx/Rx 1024-1518 Byte", },
{ 0x0098, GENMASK(17, 0), "Tx/Rx 1519-1522 Byte VLAN", },
{ 0x009C, GENMASK(23, 0), "Rx Byte", },
{ 0x00A0, GENMASK(17, 0), "Rx Packet", },
{ 0x00A4, GENMASK(11, 0), "Rx FCS Error", },
{ 0x00A8, GENMASK(17, 0), "Rx Multicast Packet", },
{ 0x00AC, GENMASK(21, 0), "Rx Broadcast Packet", },
{ 0x00B0, GENMASK(17, 0), "Rx Control Frame Packet", },
{ 0x00B4, GENMASK(11, 0), "Rx Pause Frame Packet", },
{ 0x00B8, GENMASK(11, 0), "Rx Unknown OPCode Packet", },
{ 0x00BC, GENMASK(11, 0), "Rx Alignment Error", },
{ 0x00C0, GENMASK(15, 0), "Rx Frame Length Error", },
{ 0x00C4, GENMASK(11, 0), "Rx Code Error", },
{ 0x00C8, GENMASK(11, 0), "Rx Carrier Sense Error", },
{ 0x00CC, GENMASK(11, 0), "Rx Undersize Packet", },
{ 0x00D0, GENMASK(11, 0), "Rx Oversize Packet", },
{ 0x00D4, GENMASK(11, 0), "Rx Fragments", },
{ 0x00D8, GENMASK(11, 0), "Rx Jabber", },
{ 0x00DC, GENMASK(11, 0), "Rx Dropped Packet", },
{ 0x00E0, GENMASK(23, 0), "Tx Byte", },
{ 0x00E4, GENMASK(17, 0), "Tx Packet", },
{ 0x00E8, GENMASK(17, 0), "Tx Multicast Packet", },
{ 0x00EC, GENMASK(17, 0), "Tx Broadcast Packet", },
{ 0x00F0, GENMASK(11, 0), "Tx Pause Control Frame", },
{ 0x00F4, GENMASK(11, 0), "Tx Deferral Packet", },
{ 0x00F8, GENMASK(11, 0), "Tx Excessive Deferral Packet", },
{ 0x00FC, GENMASK(11, 0), "Tx Single Collision Packet", },
{ 0x0100, GENMASK(11, 0), "Tx Multiple Collision", },
{ 0x0104, GENMASK(11, 0), "Tx Late Collision Packet", },
{ 0x0108, GENMASK(11, 0), "Tx Excessive Collision Packet", },
{ 0x010C, GENMASK(12, 0), "Tx Total Collision", },
{ 0x0110, GENMASK(11, 0), "Tx Pause Frames Honored", },
{ 0x0114, GENMASK(11, 0), "Tx Drop Frame", },
{ 0x0118, GENMASK(11, 0), "Tx Jabber Frame", },
{ 0x011C, GENMASK(11, 0), "Tx FCS Error", },
{ 0x0120, GENMASK(11, 0), "Tx Control Frame", },
{ 0x0124, GENMASK(11, 0), "Tx Oversize Frame", },
{ 0x0128, GENMASK(11, 0), "Tx Undersize Frame", },
{ 0x012C, GENMASK(11, 0), "Tx Fragment", },
};
#define DESC_EMPTY BIT(31)
#define DESC_MORE BIT(24)
#define DESC_PKTLEN_M 0xfff
@ -394,6 +447,99 @@ static void ag71xx_int_disable(struct ag71xx *ag, u32 ints)
ag71xx_cb(ag, AG71XX_REG_INT_ENABLE, ints);
}
static void ag71xx_get_drvinfo(struct net_device *ndev,
struct ethtool_drvinfo *info)
{
struct ag71xx *ag = netdev_priv(ndev);
strlcpy(info->driver, "ag71xx", sizeof(info->driver));
strlcpy(info->bus_info, of_node_full_name(ag->pdev->dev.of_node),
sizeof(info->bus_info));
}
static int ag71xx_get_link_ksettings(struct net_device *ndev,
struct ethtool_link_ksettings *kset)
{
struct ag71xx *ag = netdev_priv(ndev);
return phylink_ethtool_ksettings_get(ag->phylink, kset);
}
static int ag71xx_set_link_ksettings(struct net_device *ndev,
const struct ethtool_link_ksettings *kset)
{
struct ag71xx *ag = netdev_priv(ndev);
return phylink_ethtool_ksettings_set(ag->phylink, kset);
}
static int ag71xx_ethtool_nway_reset(struct net_device *ndev)
{
struct ag71xx *ag = netdev_priv(ndev);
return phylink_ethtool_nway_reset(ag->phylink);
}
static void ag71xx_ethtool_get_pauseparam(struct net_device *ndev,
struct ethtool_pauseparam *pause)
{
struct ag71xx *ag = netdev_priv(ndev);
phylink_ethtool_get_pauseparam(ag->phylink, pause);
}
static int ag71xx_ethtool_set_pauseparam(struct net_device *ndev,
struct ethtool_pauseparam *pause)
{
struct ag71xx *ag = netdev_priv(ndev);
return phylink_ethtool_set_pauseparam(ag->phylink, pause);
}
static void ag71xx_ethtool_get_strings(struct net_device *netdev, u32 sset,
u8 *data)
{
if (sset == ETH_SS_STATS) {
int i;
for (i = 0; i < ARRAY_SIZE(ag71xx_statistics); i++)
memcpy(data + i * ETH_GSTRING_LEN,
ag71xx_statistics[i].name, ETH_GSTRING_LEN);
}
}
static void ag71xx_ethtool_get_stats(struct net_device *ndev,
struct ethtool_stats *stats, u64 *data)
{
struct ag71xx *ag = netdev_priv(ndev);
int i;
for (i = 0; i < ARRAY_SIZE(ag71xx_statistics); i++)
*data++ = ag71xx_rr(ag, ag71xx_statistics[i].offset)
& ag71xx_statistics[i].mask;
}
static int ag71xx_ethtool_get_sset_count(struct net_device *ndev, int sset)
{
if (sset == ETH_SS_STATS)
return ARRAY_SIZE(ag71xx_statistics);
return -EOPNOTSUPP;
}
static const struct ethtool_ops ag71xx_ethtool_ops = {
.get_drvinfo = ag71xx_get_drvinfo,
.get_link = ethtool_op_get_link,
.get_ts_info = ethtool_op_get_ts_info,
.get_link_ksettings = ag71xx_get_link_ksettings,
.set_link_ksettings = ag71xx_set_link_ksettings,
.nway_reset = ag71xx_ethtool_nway_reset,
.get_pauseparam = ag71xx_ethtool_get_pauseparam,
.set_pauseparam = ag71xx_ethtool_set_pauseparam,
.get_strings = ag71xx_ethtool_get_strings,
.get_ethtool_stats = ag71xx_ethtool_get_stats,
.get_sset_count = ag71xx_ethtool_get_sset_count,
};
static int ag71xx_mdio_wait_busy(struct ag71xx *ag)
{
struct net_device *ndev = ag->ndev;
@ -1769,6 +1915,7 @@ static int ag71xx_probe(struct platform_device *pdev)
}
ndev->netdev_ops = &ag71xx_netdev_ops;
ndev->ethtool_ops = &ag71xx_ethtool_ops;
INIT_DELAYED_WORK(&ag->restart_work, ag71xx_restart_work_func);
timer_setup(&ag->oom_timer, ag71xx_oom_timer_handler, 0);