636 строки
18 KiB
C
636 строки
18 KiB
C
/*
|
|
* Linux driver for VMware's vmxnet3 ethernet NIC.
|
|
*
|
|
* Copyright (C) 2008-2009, VMware, Inc. All Rights Reserved.
|
|
*
|
|
* 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; version 2 of the License and no 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, GOOD TITLE or
|
|
* NON INFRINGEMENT. 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, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
* The full GNU General Public License is included in this distribution in
|
|
* the file called "COPYING".
|
|
*
|
|
* Maintained by: Shreyas Bhatewara <pv-drivers@vmware.com>
|
|
*
|
|
*/
|
|
|
|
|
|
#include "vmxnet3_int.h"
|
|
|
|
struct vmxnet3_stat_desc {
|
|
char desc[ETH_GSTRING_LEN];
|
|
int offset;
|
|
};
|
|
|
|
|
|
/* per tq stats maintained by the device */
|
|
static const struct vmxnet3_stat_desc
|
|
vmxnet3_tq_dev_stats[] = {
|
|
/* description, offset */
|
|
{ "Tx Queue#", 0 },
|
|
{ " TSO pkts tx", offsetof(struct UPT1_TxStats, TSOPktsTxOK) },
|
|
{ " TSO bytes tx", offsetof(struct UPT1_TxStats, TSOBytesTxOK) },
|
|
{ " ucast pkts tx", offsetof(struct UPT1_TxStats, ucastPktsTxOK) },
|
|
{ " ucast bytes tx", offsetof(struct UPT1_TxStats, ucastBytesTxOK) },
|
|
{ " mcast pkts tx", offsetof(struct UPT1_TxStats, mcastPktsTxOK) },
|
|
{ " mcast bytes tx", offsetof(struct UPT1_TxStats, mcastBytesTxOK) },
|
|
{ " bcast pkts tx", offsetof(struct UPT1_TxStats, bcastPktsTxOK) },
|
|
{ " bcast bytes tx", offsetof(struct UPT1_TxStats, bcastBytesTxOK) },
|
|
{ " pkts tx err", offsetof(struct UPT1_TxStats, pktsTxError) },
|
|
{ " pkts tx discard", offsetof(struct UPT1_TxStats, pktsTxDiscard) },
|
|
};
|
|
|
|
/* per tq stats maintained by the driver */
|
|
static const struct vmxnet3_stat_desc
|
|
vmxnet3_tq_driver_stats[] = {
|
|
/* description, offset */
|
|
{" drv dropped tx total", offsetof(struct vmxnet3_tq_driver_stats,
|
|
drop_total) },
|
|
{ " too many frags", offsetof(struct vmxnet3_tq_driver_stats,
|
|
drop_too_many_frags) },
|
|
{ " giant hdr", offsetof(struct vmxnet3_tq_driver_stats,
|
|
drop_oversized_hdr) },
|
|
{ " hdr err", offsetof(struct vmxnet3_tq_driver_stats,
|
|
drop_hdr_inspect_err) },
|
|
{ " tso", offsetof(struct vmxnet3_tq_driver_stats,
|
|
drop_tso) },
|
|
{ " ring full", offsetof(struct vmxnet3_tq_driver_stats,
|
|
tx_ring_full) },
|
|
{ " pkts linearized", offsetof(struct vmxnet3_tq_driver_stats,
|
|
linearized) },
|
|
{ " hdr cloned", offsetof(struct vmxnet3_tq_driver_stats,
|
|
copy_skb_header) },
|
|
{ " giant hdr", offsetof(struct vmxnet3_tq_driver_stats,
|
|
oversized_hdr) },
|
|
};
|
|
|
|
/* per rq stats maintained by the device */
|
|
static const struct vmxnet3_stat_desc
|
|
vmxnet3_rq_dev_stats[] = {
|
|
{ "Rx Queue#", 0 },
|
|
{ " LRO pkts rx", offsetof(struct UPT1_RxStats, LROPktsRxOK) },
|
|
{ " LRO byte rx", offsetof(struct UPT1_RxStats, LROBytesRxOK) },
|
|
{ " ucast pkts rx", offsetof(struct UPT1_RxStats, ucastPktsRxOK) },
|
|
{ " ucast bytes rx", offsetof(struct UPT1_RxStats, ucastBytesRxOK) },
|
|
{ " mcast pkts rx", offsetof(struct UPT1_RxStats, mcastPktsRxOK) },
|
|
{ " mcast bytes rx", offsetof(struct UPT1_RxStats, mcastBytesRxOK) },
|
|
{ " bcast pkts rx", offsetof(struct UPT1_RxStats, bcastPktsRxOK) },
|
|
{ " bcast bytes rx", offsetof(struct UPT1_RxStats, bcastBytesRxOK) },
|
|
{ " pkts rx OOB", offsetof(struct UPT1_RxStats, pktsRxOutOfBuf) },
|
|
{ " pkts rx err", offsetof(struct UPT1_RxStats, pktsRxError) },
|
|
};
|
|
|
|
/* per rq stats maintained by the driver */
|
|
static const struct vmxnet3_stat_desc
|
|
vmxnet3_rq_driver_stats[] = {
|
|
/* description, offset */
|
|
{ " drv dropped rx total", offsetof(struct vmxnet3_rq_driver_stats,
|
|
drop_total) },
|
|
{ " err", offsetof(struct vmxnet3_rq_driver_stats,
|
|
drop_err) },
|
|
{ " fcs", offsetof(struct vmxnet3_rq_driver_stats,
|
|
drop_fcs) },
|
|
{ " rx buf alloc fail", offsetof(struct vmxnet3_rq_driver_stats,
|
|
rx_buf_alloc_failure) },
|
|
};
|
|
|
|
/* gloabl stats maintained by the driver */
|
|
static const struct vmxnet3_stat_desc
|
|
vmxnet3_global_stats[] = {
|
|
/* description, offset */
|
|
{ "tx timeout count", offsetof(struct vmxnet3_adapter,
|
|
tx_timeout_count) }
|
|
};
|
|
|
|
|
|
struct rtnl_link_stats64 *
|
|
vmxnet3_get_stats64(struct net_device *netdev,
|
|
struct rtnl_link_stats64 *stats)
|
|
{
|
|
struct vmxnet3_adapter *adapter;
|
|
struct vmxnet3_tq_driver_stats *drvTxStats;
|
|
struct vmxnet3_rq_driver_stats *drvRxStats;
|
|
struct UPT1_TxStats *devTxStats;
|
|
struct UPT1_RxStats *devRxStats;
|
|
unsigned long flags;
|
|
int i;
|
|
|
|
adapter = netdev_priv(netdev);
|
|
|
|
/* Collect the dev stats into the shared area */
|
|
spin_lock_irqsave(&adapter->cmd_lock, flags);
|
|
VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD, VMXNET3_CMD_GET_STATS);
|
|
spin_unlock_irqrestore(&adapter->cmd_lock, flags);
|
|
|
|
for (i = 0; i < adapter->num_tx_queues; i++) {
|
|
devTxStats = &adapter->tqd_start[i].stats;
|
|
drvTxStats = &adapter->tx_queue[i].stats;
|
|
stats->tx_packets += devTxStats->ucastPktsTxOK +
|
|
devTxStats->mcastPktsTxOK +
|
|
devTxStats->bcastPktsTxOK;
|
|
stats->tx_bytes += devTxStats->ucastBytesTxOK +
|
|
devTxStats->mcastBytesTxOK +
|
|
devTxStats->bcastBytesTxOK;
|
|
stats->tx_errors += devTxStats->pktsTxError;
|
|
stats->tx_dropped += drvTxStats->drop_total;
|
|
}
|
|
|
|
for (i = 0; i < adapter->num_rx_queues; i++) {
|
|
devRxStats = &adapter->rqd_start[i].stats;
|
|
drvRxStats = &adapter->rx_queue[i].stats;
|
|
stats->rx_packets += devRxStats->ucastPktsRxOK +
|
|
devRxStats->mcastPktsRxOK +
|
|
devRxStats->bcastPktsRxOK;
|
|
|
|
stats->rx_bytes += devRxStats->ucastBytesRxOK +
|
|
devRxStats->mcastBytesRxOK +
|
|
devRxStats->bcastBytesRxOK;
|
|
|
|
stats->rx_errors += devRxStats->pktsRxError;
|
|
stats->rx_dropped += drvRxStats->drop_total;
|
|
stats->multicast += devRxStats->mcastPktsRxOK;
|
|
}
|
|
|
|
return stats;
|
|
}
|
|
|
|
static int
|
|
vmxnet3_get_sset_count(struct net_device *netdev, int sset)
|
|
{
|
|
struct vmxnet3_adapter *adapter = netdev_priv(netdev);
|
|
switch (sset) {
|
|
case ETH_SS_STATS:
|
|
return (ARRAY_SIZE(vmxnet3_tq_dev_stats) +
|
|
ARRAY_SIZE(vmxnet3_tq_driver_stats)) *
|
|
adapter->num_tx_queues +
|
|
(ARRAY_SIZE(vmxnet3_rq_dev_stats) +
|
|
ARRAY_SIZE(vmxnet3_rq_driver_stats)) *
|
|
adapter->num_rx_queues +
|
|
ARRAY_SIZE(vmxnet3_global_stats);
|
|
default:
|
|
return -EOPNOTSUPP;
|
|
}
|
|
}
|
|
|
|
|
|
/* Should be multiple of 4 */
|
|
#define NUM_TX_REGS 8
|
|
#define NUM_RX_REGS 12
|
|
|
|
static int
|
|
vmxnet3_get_regs_len(struct net_device *netdev)
|
|
{
|
|
struct vmxnet3_adapter *adapter = netdev_priv(netdev);
|
|
return (adapter->num_tx_queues * NUM_TX_REGS * sizeof(u32) +
|
|
adapter->num_rx_queues * NUM_RX_REGS * sizeof(u32));
|
|
}
|
|
|
|
|
|
static void
|
|
vmxnet3_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo)
|
|
{
|
|
struct vmxnet3_adapter *adapter = netdev_priv(netdev);
|
|
|
|
strlcpy(drvinfo->driver, vmxnet3_driver_name, sizeof(drvinfo->driver));
|
|
|
|
strlcpy(drvinfo->version, VMXNET3_DRIVER_VERSION_REPORT,
|
|
sizeof(drvinfo->version));
|
|
|
|
strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
|
|
ETHTOOL_BUSINFO_LEN);
|
|
drvinfo->n_stats = vmxnet3_get_sset_count(netdev, ETH_SS_STATS);
|
|
drvinfo->testinfo_len = 0;
|
|
drvinfo->eedump_len = 0;
|
|
drvinfo->regdump_len = vmxnet3_get_regs_len(netdev);
|
|
}
|
|
|
|
|
|
static void
|
|
vmxnet3_get_strings(struct net_device *netdev, u32 stringset, u8 *buf)
|
|
{
|
|
struct vmxnet3_adapter *adapter = netdev_priv(netdev);
|
|
if (stringset == ETH_SS_STATS) {
|
|
int i, j;
|
|
for (j = 0; j < adapter->num_tx_queues; j++) {
|
|
for (i = 0; i < ARRAY_SIZE(vmxnet3_tq_dev_stats); i++) {
|
|
memcpy(buf, vmxnet3_tq_dev_stats[i].desc,
|
|
ETH_GSTRING_LEN);
|
|
buf += ETH_GSTRING_LEN;
|
|
}
|
|
for (i = 0; i < ARRAY_SIZE(vmxnet3_tq_driver_stats);
|
|
i++) {
|
|
memcpy(buf, vmxnet3_tq_driver_stats[i].desc,
|
|
ETH_GSTRING_LEN);
|
|
buf += ETH_GSTRING_LEN;
|
|
}
|
|
}
|
|
|
|
for (j = 0; j < adapter->num_rx_queues; j++) {
|
|
for (i = 0; i < ARRAY_SIZE(vmxnet3_rq_dev_stats); i++) {
|
|
memcpy(buf, vmxnet3_rq_dev_stats[i].desc,
|
|
ETH_GSTRING_LEN);
|
|
buf += ETH_GSTRING_LEN;
|
|
}
|
|
for (i = 0; i < ARRAY_SIZE(vmxnet3_rq_driver_stats);
|
|
i++) {
|
|
memcpy(buf, vmxnet3_rq_driver_stats[i].desc,
|
|
ETH_GSTRING_LEN);
|
|
buf += ETH_GSTRING_LEN;
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < ARRAY_SIZE(vmxnet3_global_stats); i++) {
|
|
memcpy(buf, vmxnet3_global_stats[i].desc,
|
|
ETH_GSTRING_LEN);
|
|
buf += ETH_GSTRING_LEN;
|
|
}
|
|
}
|
|
}
|
|
|
|
int vmxnet3_set_features(struct net_device *netdev, netdev_features_t features)
|
|
{
|
|
struct vmxnet3_adapter *adapter = netdev_priv(netdev);
|
|
unsigned long flags;
|
|
netdev_features_t changed = features ^ netdev->features;
|
|
|
|
if (changed & (NETIF_F_RXCSUM | NETIF_F_LRO | NETIF_F_HW_VLAN_RX)) {
|
|
if (features & NETIF_F_RXCSUM)
|
|
adapter->shared->devRead.misc.uptFeatures |=
|
|
UPT1_F_RXCSUM;
|
|
else
|
|
adapter->shared->devRead.misc.uptFeatures &=
|
|
~UPT1_F_RXCSUM;
|
|
|
|
/* update harware LRO capability accordingly */
|
|
if (features & NETIF_F_LRO)
|
|
adapter->shared->devRead.misc.uptFeatures |=
|
|
UPT1_F_LRO;
|
|
else
|
|
adapter->shared->devRead.misc.uptFeatures &=
|
|
~UPT1_F_LRO;
|
|
|
|
if (features & NETIF_F_HW_VLAN_RX)
|
|
adapter->shared->devRead.misc.uptFeatures |=
|
|
UPT1_F_RXVLAN;
|
|
else
|
|
adapter->shared->devRead.misc.uptFeatures &=
|
|
~UPT1_F_RXVLAN;
|
|
|
|
spin_lock_irqsave(&adapter->cmd_lock, flags);
|
|
VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
|
|
VMXNET3_CMD_UPDATE_FEATURE);
|
|
spin_unlock_irqrestore(&adapter->cmd_lock, flags);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
vmxnet3_get_ethtool_stats(struct net_device *netdev,
|
|
struct ethtool_stats *stats, u64 *buf)
|
|
{
|
|
struct vmxnet3_adapter *adapter = netdev_priv(netdev);
|
|
unsigned long flags;
|
|
u8 *base;
|
|
int i;
|
|
int j = 0;
|
|
|
|
spin_lock_irqsave(&adapter->cmd_lock, flags);
|
|
VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD, VMXNET3_CMD_GET_STATS);
|
|
spin_unlock_irqrestore(&adapter->cmd_lock, flags);
|
|
|
|
/* this does assume each counter is 64-bit wide */
|
|
for (j = 0; j < adapter->num_tx_queues; j++) {
|
|
base = (u8 *)&adapter->tqd_start[j].stats;
|
|
*buf++ = (u64)j;
|
|
for (i = 1; i < ARRAY_SIZE(vmxnet3_tq_dev_stats); i++)
|
|
*buf++ = *(u64 *)(base +
|
|
vmxnet3_tq_dev_stats[i].offset);
|
|
|
|
base = (u8 *)&adapter->tx_queue[j].stats;
|
|
for (i = 0; i < ARRAY_SIZE(vmxnet3_tq_driver_stats); i++)
|
|
*buf++ = *(u64 *)(base +
|
|
vmxnet3_tq_driver_stats[i].offset);
|
|
}
|
|
|
|
for (j = 0; j < adapter->num_tx_queues; j++) {
|
|
base = (u8 *)&adapter->rqd_start[j].stats;
|
|
*buf++ = (u64) j;
|
|
for (i = 1; i < ARRAY_SIZE(vmxnet3_rq_dev_stats); i++)
|
|
*buf++ = *(u64 *)(base +
|
|
vmxnet3_rq_dev_stats[i].offset);
|
|
|
|
base = (u8 *)&adapter->rx_queue[j].stats;
|
|
for (i = 0; i < ARRAY_SIZE(vmxnet3_rq_driver_stats); i++)
|
|
*buf++ = *(u64 *)(base +
|
|
vmxnet3_rq_driver_stats[i].offset);
|
|
}
|
|
|
|
base = (u8 *)adapter;
|
|
for (i = 0; i < ARRAY_SIZE(vmxnet3_global_stats); i++)
|
|
*buf++ = *(u64 *)(base + vmxnet3_global_stats[i].offset);
|
|
}
|
|
|
|
|
|
static void
|
|
vmxnet3_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p)
|
|
{
|
|
struct vmxnet3_adapter *adapter = netdev_priv(netdev);
|
|
u32 *buf = p;
|
|
int i = 0, j = 0;
|
|
|
|
memset(p, 0, vmxnet3_get_regs_len(netdev));
|
|
|
|
regs->version = 1;
|
|
|
|
/* Update vmxnet3_get_regs_len if we want to dump more registers */
|
|
|
|
/* make each ring use multiple of 16 bytes */
|
|
for (i = 0; i < adapter->num_tx_queues; i++) {
|
|
buf[j++] = adapter->tx_queue[i].tx_ring.next2fill;
|
|
buf[j++] = adapter->tx_queue[i].tx_ring.next2comp;
|
|
buf[j++] = adapter->tx_queue[i].tx_ring.gen;
|
|
buf[j++] = 0;
|
|
|
|
buf[j++] = adapter->tx_queue[i].comp_ring.next2proc;
|
|
buf[j++] = adapter->tx_queue[i].comp_ring.gen;
|
|
buf[j++] = adapter->tx_queue[i].stopped;
|
|
buf[j++] = 0;
|
|
}
|
|
|
|
for (i = 0; i < adapter->num_rx_queues; i++) {
|
|
buf[j++] = adapter->rx_queue[i].rx_ring[0].next2fill;
|
|
buf[j++] = adapter->rx_queue[i].rx_ring[0].next2comp;
|
|
buf[j++] = adapter->rx_queue[i].rx_ring[0].gen;
|
|
buf[j++] = 0;
|
|
|
|
buf[j++] = adapter->rx_queue[i].rx_ring[1].next2fill;
|
|
buf[j++] = adapter->rx_queue[i].rx_ring[1].next2comp;
|
|
buf[j++] = adapter->rx_queue[i].rx_ring[1].gen;
|
|
buf[j++] = 0;
|
|
|
|
buf[j++] = adapter->rx_queue[i].comp_ring.next2proc;
|
|
buf[j++] = adapter->rx_queue[i].comp_ring.gen;
|
|
buf[j++] = 0;
|
|
buf[j++] = 0;
|
|
}
|
|
|
|
}
|
|
|
|
|
|
static void
|
|
vmxnet3_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
|
|
{
|
|
struct vmxnet3_adapter *adapter = netdev_priv(netdev);
|
|
|
|
wol->supported = WAKE_UCAST | WAKE_ARP | WAKE_MAGIC;
|
|
wol->wolopts = adapter->wol;
|
|
}
|
|
|
|
|
|
static int
|
|
vmxnet3_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
|
|
{
|
|
struct vmxnet3_adapter *adapter = netdev_priv(netdev);
|
|
|
|
if (wol->wolopts & (WAKE_PHY | WAKE_MCAST | WAKE_BCAST |
|
|
WAKE_MAGICSECURE)) {
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
adapter->wol = wol->wolopts;
|
|
|
|
device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int
|
|
vmxnet3_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
|
|
{
|
|
struct vmxnet3_adapter *adapter = netdev_priv(netdev);
|
|
|
|
ecmd->supported = SUPPORTED_10000baseT_Full | SUPPORTED_1000baseT_Full |
|
|
SUPPORTED_TP;
|
|
ecmd->advertising = ADVERTISED_TP;
|
|
ecmd->port = PORT_TP;
|
|
ecmd->transceiver = XCVR_INTERNAL;
|
|
|
|
if (adapter->link_speed) {
|
|
ethtool_cmd_speed_set(ecmd, adapter->link_speed);
|
|
ecmd->duplex = DUPLEX_FULL;
|
|
} else {
|
|
ethtool_cmd_speed_set(ecmd, -1);
|
|
ecmd->duplex = -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
static void
|
|
vmxnet3_get_ringparam(struct net_device *netdev,
|
|
struct ethtool_ringparam *param)
|
|
{
|
|
struct vmxnet3_adapter *adapter = netdev_priv(netdev);
|
|
|
|
param->rx_max_pending = VMXNET3_RX_RING_MAX_SIZE;
|
|
param->tx_max_pending = VMXNET3_TX_RING_MAX_SIZE;
|
|
param->rx_mini_max_pending = 0;
|
|
param->rx_jumbo_max_pending = 0;
|
|
|
|
param->rx_pending = adapter->rx_queue[0].rx_ring[0].size *
|
|
adapter->num_rx_queues;
|
|
param->tx_pending = adapter->tx_queue[0].tx_ring.size *
|
|
adapter->num_tx_queues;
|
|
param->rx_mini_pending = 0;
|
|
param->rx_jumbo_pending = 0;
|
|
}
|
|
|
|
|
|
static int
|
|
vmxnet3_set_ringparam(struct net_device *netdev,
|
|
struct ethtool_ringparam *param)
|
|
{
|
|
struct vmxnet3_adapter *adapter = netdev_priv(netdev);
|
|
u32 new_tx_ring_size, new_rx_ring_size;
|
|
u32 sz;
|
|
int err = 0;
|
|
|
|
if (param->tx_pending == 0 || param->tx_pending >
|
|
VMXNET3_TX_RING_MAX_SIZE)
|
|
return -EINVAL;
|
|
|
|
if (param->rx_pending == 0 || param->rx_pending >
|
|
VMXNET3_RX_RING_MAX_SIZE)
|
|
return -EINVAL;
|
|
|
|
|
|
/* round it up to a multiple of VMXNET3_RING_SIZE_ALIGN */
|
|
new_tx_ring_size = (param->tx_pending + VMXNET3_RING_SIZE_MASK) &
|
|
~VMXNET3_RING_SIZE_MASK;
|
|
new_tx_ring_size = min_t(u32, new_tx_ring_size,
|
|
VMXNET3_TX_RING_MAX_SIZE);
|
|
if (new_tx_ring_size > VMXNET3_TX_RING_MAX_SIZE || (new_tx_ring_size %
|
|
VMXNET3_RING_SIZE_ALIGN) != 0)
|
|
return -EINVAL;
|
|
|
|
/* ring0 has to be a multiple of
|
|
* rx_buf_per_pkt * VMXNET3_RING_SIZE_ALIGN
|
|
*/
|
|
sz = adapter->rx_buf_per_pkt * VMXNET3_RING_SIZE_ALIGN;
|
|
new_rx_ring_size = (param->rx_pending + sz - 1) / sz * sz;
|
|
new_rx_ring_size = min_t(u32, new_rx_ring_size,
|
|
VMXNET3_RX_RING_MAX_SIZE / sz * sz);
|
|
if (new_rx_ring_size > VMXNET3_RX_RING_MAX_SIZE || (new_rx_ring_size %
|
|
sz) != 0)
|
|
return -EINVAL;
|
|
|
|
if (new_tx_ring_size == adapter->tx_queue[0].tx_ring.size &&
|
|
new_rx_ring_size == adapter->rx_queue[0].rx_ring[0].size) {
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Reset_work may be in the middle of resetting the device, wait for its
|
|
* completion.
|
|
*/
|
|
while (test_and_set_bit(VMXNET3_STATE_BIT_RESETTING, &adapter->state))
|
|
msleep(1);
|
|
|
|
if (netif_running(netdev)) {
|
|
vmxnet3_quiesce_dev(adapter);
|
|
vmxnet3_reset_dev(adapter);
|
|
|
|
/* recreate the rx queue and the tx queue based on the
|
|
* new sizes */
|
|
vmxnet3_tq_destroy_all(adapter);
|
|
vmxnet3_rq_destroy_all(adapter);
|
|
|
|
err = vmxnet3_create_queues(adapter, new_tx_ring_size,
|
|
new_rx_ring_size, VMXNET3_DEF_RX_RING_SIZE);
|
|
|
|
if (err) {
|
|
/* failed, most likely because of OOM, try default
|
|
* size */
|
|
printk(KERN_ERR "%s: failed to apply new sizes, try the"
|
|
" default ones\n", netdev->name);
|
|
err = vmxnet3_create_queues(adapter,
|
|
VMXNET3_DEF_TX_RING_SIZE,
|
|
VMXNET3_DEF_RX_RING_SIZE,
|
|
VMXNET3_DEF_RX_RING_SIZE);
|
|
if (err) {
|
|
printk(KERN_ERR "%s: failed to create queues "
|
|
"with default sizes. Closing it\n",
|
|
netdev->name);
|
|
goto out;
|
|
}
|
|
}
|
|
|
|
err = vmxnet3_activate_dev(adapter);
|
|
if (err)
|
|
printk(KERN_ERR "%s: failed to re-activate, error %d."
|
|
" Closing it\n", netdev->name, err);
|
|
}
|
|
|
|
out:
|
|
clear_bit(VMXNET3_STATE_BIT_RESETTING, &adapter->state);
|
|
if (err)
|
|
vmxnet3_force_close(adapter);
|
|
|
|
return err;
|
|
}
|
|
|
|
|
|
static int
|
|
vmxnet3_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *info,
|
|
u32 *rules)
|
|
{
|
|
struct vmxnet3_adapter *adapter = netdev_priv(netdev);
|
|
switch (info->cmd) {
|
|
case ETHTOOL_GRXRINGS:
|
|
info->data = adapter->num_rx_queues;
|
|
return 0;
|
|
}
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
#ifdef VMXNET3_RSS
|
|
static u32
|
|
vmxnet3_get_rss_indir_size(struct net_device *netdev)
|
|
{
|
|
struct vmxnet3_adapter *adapter = netdev_priv(netdev);
|
|
struct UPT1_RSSConf *rssConf = adapter->rss_conf;
|
|
|
|
return rssConf->indTableSize;
|
|
}
|
|
|
|
static int
|
|
vmxnet3_get_rss_indir(struct net_device *netdev, u32 *p)
|
|
{
|
|
struct vmxnet3_adapter *adapter = netdev_priv(netdev);
|
|
struct UPT1_RSSConf *rssConf = adapter->rss_conf;
|
|
unsigned int n = rssConf->indTableSize;
|
|
|
|
while (n--)
|
|
p[n] = rssConf->indTable[n];
|
|
return 0;
|
|
|
|
}
|
|
|
|
static int
|
|
vmxnet3_set_rss_indir(struct net_device *netdev, const u32 *p)
|
|
{
|
|
unsigned int i;
|
|
unsigned long flags;
|
|
struct vmxnet3_adapter *adapter = netdev_priv(netdev);
|
|
struct UPT1_RSSConf *rssConf = adapter->rss_conf;
|
|
|
|
for (i = 0; i < rssConf->indTableSize; i++)
|
|
rssConf->indTable[i] = p[i];
|
|
|
|
spin_lock_irqsave(&adapter->cmd_lock, flags);
|
|
VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
|
|
VMXNET3_CMD_UPDATE_RSSIDT);
|
|
spin_unlock_irqrestore(&adapter->cmd_lock, flags);
|
|
|
|
return 0;
|
|
|
|
}
|
|
#endif
|
|
|
|
static const struct ethtool_ops vmxnet3_ethtool_ops = {
|
|
.get_settings = vmxnet3_get_settings,
|
|
.get_drvinfo = vmxnet3_get_drvinfo,
|
|
.get_regs_len = vmxnet3_get_regs_len,
|
|
.get_regs = vmxnet3_get_regs,
|
|
.get_wol = vmxnet3_get_wol,
|
|
.set_wol = vmxnet3_set_wol,
|
|
.get_link = ethtool_op_get_link,
|
|
.get_strings = vmxnet3_get_strings,
|
|
.get_sset_count = vmxnet3_get_sset_count,
|
|
.get_ethtool_stats = vmxnet3_get_ethtool_stats,
|
|
.get_ringparam = vmxnet3_get_ringparam,
|
|
.set_ringparam = vmxnet3_set_ringparam,
|
|
.get_rxnfc = vmxnet3_get_rxnfc,
|
|
#ifdef VMXNET3_RSS
|
|
.get_rxfh_indir_size = vmxnet3_get_rss_indir_size,
|
|
.get_rxfh_indir = vmxnet3_get_rss_indir,
|
|
.set_rxfh_indir = vmxnet3_set_rss_indir,
|
|
#endif
|
|
};
|
|
|
|
void vmxnet3_set_ethtool_ops(struct net_device *netdev)
|
|
{
|
|
SET_ETHTOOL_OPS(netdev, &vmxnet3_ethtool_ops);
|
|
}
|