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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/phylink.h>
#include <linux/netdevice.h>
#include "../libwx/wx_ethtool.h"
#include "../libwx/wx_type.h"
#include "../libwx/wx_lib.h"
#include "txgbe_type.h"
#include "txgbe_ethtool.h"
static int txgbe_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;
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;
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;
return 0;
}
/* allocate temporary buffer to store rings in */
i = max_t(int, wx->num_tx_queues, wx->num_rx_queues);
temp_ring = kvmalloc_array(i, sizeof(struct wx_ring), GFP_KERNEL);
if (!temp_ring)
return -ENOMEM;
txgbe_down(wx);
wx_set_ring(wx, new_tx_count, new_rx_count, temp_ring);
kvfree(temp_ring);
txgbe_up(wx);
return 0;
}
static const struct ethtool_ops txgbe_ethtool_ops = {
.get_drvinfo = wx_get_drvinfo,
.nway_reset = wx_nway_reset,
.get_link = ethtool_op_get_link,
.get_link_ksettings = wx_get_link_ksettings,
.set_link_ksettings = wx_set_link_ksettings,
.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 = txgbe_set_ringparam,
};
void txgbe_set_ethtool_ops(struct net_device *netdev)
{
netdev->ethtool_ops = &txgbe_ethtool_ops;
}
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