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// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2006-2008 PA Semi, Inc
*
* Ethtool hooks for the PA Semi PWRficient onchip 1G/10G Ethernet MACs
*/
#include <linux/netdevice.h>
#include <linux/ethtool.h>
#include <linux/pci.h>
#include <asm/pasemi_dma.h>
#include "pasemi_mac.h"
static struct {
const char str[ETH_GSTRING_LEN];
} ethtool_stats_keys[] = {
{ "rx-drops" },
{ "rx-bytes" },
{ "rx-packets" },
{ "rx-broadcast-packets" },
{ "rx-multicast-packets" },
{ "rx-crc-errors" },
{ "rx-undersize-errors" },
{ "rx-oversize-errors" },
{ "rx-short-fragment-errors" },
{ "rx-jabber-errors" },
{ "rx-64-byte-packets" },
{ "rx-65-127-byte-packets" },
{ "rx-128-255-byte-packets" },
{ "rx-256-511-byte-packets" },
{ "rx-512-1023-byte-packets" },
{ "rx-1024-1518-byte-packets" },
{ "rx-pause-frames" },
{ "tx-bytes" },
{ "tx-packets" },
{ "tx-broadcast-packets" },
{ "tx-multicast-packets" },
{ "tx-collisions" },
{ "tx-late-collisions" },
{ "tx-excessive-collisions" },
{ "tx-crc-errors" },
{ "tx-undersize-errors" },
{ "tx-oversize-errors" },
{ "tx-64-byte-packets" },
{ "tx-65-127-byte-packets" },
{ "tx-128-255-byte-packets" },
{ "tx-256-511-byte-packets" },
{ "tx-512-1023-byte-packets" },
{ "tx-1024-1518-byte-packets" },
};
static u32
pasemi_mac_ethtool_get_msglevel(struct net_device *netdev)
{
struct pasemi_mac *mac = netdev_priv(netdev);
return mac->msg_enable;
}
static void
pasemi_mac_ethtool_set_msglevel(struct net_device *netdev,
u32 level)
{
struct pasemi_mac *mac = netdev_priv(netdev);
mac->msg_enable = level;
}
static void
pasemi_mac_ethtool_get_ringparam(struct net_device *netdev,
struct ethtool_ringparam *ering,
struct kernel_ethtool_ringparam *kernel_ering,
struct netlink_ext_ack *extack)
{
struct pasemi_mac *mac = netdev_priv(netdev);
ering->tx_max_pending = TX_RING_SIZE/2;
ering->tx_pending = RING_USED(mac->tx)/2;
ering->rx_max_pending = RX_RING_SIZE/4;
ering->rx_pending = RING_USED(mac->rx)/4;
}
static int pasemi_mac_get_sset_count(struct net_device *netdev, int sset)
{
switch (sset) {
case ETH_SS_STATS:
return ARRAY_SIZE(ethtool_stats_keys);
default:
return -EOPNOTSUPP;
}
}
static void pasemi_mac_get_ethtool_stats(struct net_device *netdev,
struct ethtool_stats *stats, u64 *data)
{
struct pasemi_mac *mac = netdev_priv(netdev);
int i;
data[0] = pasemi_read_dma_reg(PAS_DMA_RXINT_RCMDSTA(mac->dma_if))
>> PAS_DMA_RXINT_RCMDSTA_DROPS_S;
for (i = 0; i < 32; i++)
data[1+i] = pasemi_read_mac_reg(mac->dma_if, PAS_MAC_RMON(i));
}
static void pasemi_mac_get_strings(struct net_device *netdev, u32 stringset,
u8 *data)
{
memcpy(data, ethtool_stats_keys, sizeof(ethtool_stats_keys));
}
const struct ethtool_ops pasemi_mac_ethtool_ops = {
.get_msglevel = pasemi_mac_ethtool_get_msglevel,
.set_msglevel = pasemi_mac_ethtool_set_msglevel,
.get_link = ethtool_op_get_link,
.get_ringparam = pasemi_mac_ethtool_get_ringparam,
.get_strings = pasemi_mac_get_strings,
.get_sset_count = pasemi_mac_get_sset_count,
.get_ethtool_stats = pasemi_mac_get_ethtool_stats,
.get_link_ksettings = phy_ethtool_get_link_ksettings,
.set_link_ksettings = phy_ethtool_set_link_ksettings,
};
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