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// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2015 - 2023 Beijing WangXun Technology Co., Ltd. */
#include <linux/pci.h>
#include <linux/phy.h>
#include <linux/netdevice.h>
#include "../libwx/wx_ethtool.h"
#include "../libwx/wx_type.h"
#include "../libwx/wx_lib.h"
#include "../libwx/wx_hw.h"
#include "ngbe_ethtool.h"
#include "ngbe_type.h"
static int ngbe_set_ringparam(struct net_device *netdev,
struct ethtool_ringparam *ring,
struct kernel_ethtool_ringparam *kernel_ring,
struct netlink_ext_ack *extack)
{
struct wx *wx = netdev_priv(netdev);
u32 new_rx_count, new_tx_count;
struct wx_ring *temp_ring;
int i, err = 0;
new_tx_count = clamp_t(u32, ring->tx_pending, WX_MIN_TXD, WX_MAX_TXD);
new_tx_count = ALIGN(new_tx_count, WX_REQ_TX_DESCRIPTOR_MULTIPLE);
new_rx_count = clamp_t(u32, ring->rx_pending, WX_MIN_RXD, WX_MAX_RXD);
new_rx_count = ALIGN(new_rx_count, WX_REQ_RX_DESCRIPTOR_MULTIPLE);
if (new_tx_count == wx->tx_ring_count &&
new_rx_count == wx->rx_ring_count)
return 0;
mutex_lock(&wx->reset_lock);
set_bit(WX_STATE_RESETTING, wx->state);
if (!netif_running(wx->netdev)) {
for (i = 0; i < wx->num_tx_queues; i++)
wx->tx_ring[i]->count = new_tx_count;
for (i = 0; i < wx->num_rx_queues; i++)
wx->rx_ring[i]->count = new_rx_count;
wx->tx_ring_count = new_tx_count;
wx->rx_ring_count = new_rx_count;
goto clear_reset;
}
/* allocate temporary buffer to store rings in */
i = max_t(int, wx->num_tx_queues, wx->num_rx_queues);
temp_ring = kvmalloc_objs(struct wx_ring, i);
if (!temp_ring) {
err = -ENOMEM;
goto clear_reset;
}
ngbe_down(wx);
wx_set_ring(wx, new_tx_count, new_rx_count, temp_ring);
kvfree(temp_ring);
wx_configure(wx);
ngbe_up(wx);
clear_reset:
clear_bit(WX_STATE_RESETTING, wx->state);
mutex_unlock(&wx->reset_lock);
return err;
}
static const struct ethtool_ops ngbe_ethtool_ops = {
.supported_coalesce_params = ETHTOOL_COALESCE_USECS |
ETHTOOL_COALESCE_TX_MAX_FRAMES_IRQ |
ETHTOOL_COALESCE_USE_ADAPTIVE,
.get_drvinfo = wx_get_drvinfo,
.get_link = ethtool_op_get_link,
.get_link_ksettings = wx_get_link_ksettings,
.set_link_ksettings = wx_set_link_ksettings,
.nway_reset = wx_nway_reset,
.get_wol = wx_get_wol,
.set_wol = wx_set_wol,
.get_sset_count = wx_get_sset_count,
.get_strings = wx_get_strings,
.get_ethtool_stats = wx_get_ethtool_stats,
.get_eth_mac_stats = wx_get_mac_stats,
.get_pause_stats = wx_get_pause_stats,
.get_pauseparam = wx_get_pauseparam,
.set_pauseparam = wx_set_pauseparam,
.get_ringparam = wx_get_ringparam,
.set_ringparam = ngbe_set_ringparam,
.get_coalesce = wx_get_coalesce,
.set_coalesce = wx_set_coalesce,
.get_channels = wx_get_channels,
.set_channels = wx_set_channels,
.get_rxfh_fields = wx_get_rxfh_fields,
.set_rxfh_fields = wx_set_rxfh_fields,
.get_rxfh_indir_size = wx_rss_indir_size,
.get_rxfh_key_size = wx_get_rxfh_key_size,
.get_rxfh = wx_get_rxfh,
.set_rxfh = wx_set_rxfh,
.get_msglevel = wx_get_msglevel,
.set_msglevel = wx_set_msglevel,
.get_ts_info = wx_get_ts_info,
.get_ts_stats = wx_get_ptp_stats,
};
void ngbe_set_ethtool_ops(struct net_device *netdev)
{
netdev->ethtool_ops = &ngbe_ethtool_ops;
}
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