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Location: vmkdrivers/vmkdrivers/src_9/drivers/net/enic/enic_ethtool.c
bd21c8aa7237
8.8 KiB
text/x-csrc
ESXi-6.0.0b
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* Copyright 2011 Cisco Systems, Inc. All rights reserved.
*
* This program is free software; you may 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.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/
#include <linux/netdevice.h>
#include <linux/ethtool.h>
#include "kcompat.h"
#include "enic_res.h"
#include "enic.h"
#include "enic_dev.h"
#include "enic_ethtool.h"
struct enic_stat {
char name[ETH_GSTRING_LEN];
unsigned int offset;
};
#define ENIC_TX_STAT(stat) \
{ .name = #stat, .offset = offsetof(struct vnic_tx_stats, stat) / 8 }
#define ENIC_RX_STAT(stat) \
{ .name = #stat, .offset = offsetof(struct vnic_rx_stats, stat) / 8 }
static const struct enic_stat enic_tx_stats[] = {
ENIC_TX_STAT(tx_frames_ok),
ENIC_TX_STAT(tx_unicast_frames_ok),
ENIC_TX_STAT(tx_multicast_frames_ok),
ENIC_TX_STAT(tx_broadcast_frames_ok),
ENIC_TX_STAT(tx_bytes_ok),
ENIC_TX_STAT(tx_unicast_bytes_ok),
ENIC_TX_STAT(tx_multicast_bytes_ok),
ENIC_TX_STAT(tx_broadcast_bytes_ok),
ENIC_TX_STAT(tx_drops),
ENIC_TX_STAT(tx_errors),
ENIC_TX_STAT(tx_tso),
};
static const struct enic_stat enic_rx_stats[] = {
ENIC_RX_STAT(rx_frames_ok),
ENIC_RX_STAT(rx_frames_total),
ENIC_RX_STAT(rx_unicast_frames_ok),
ENIC_RX_STAT(rx_multicast_frames_ok),
ENIC_RX_STAT(rx_broadcast_frames_ok),
ENIC_RX_STAT(rx_bytes_ok),
ENIC_RX_STAT(rx_unicast_bytes_ok),
ENIC_RX_STAT(rx_multicast_bytes_ok),
ENIC_RX_STAT(rx_broadcast_bytes_ok),
ENIC_RX_STAT(rx_drop),
ENIC_RX_STAT(rx_no_bufs),
ENIC_RX_STAT(rx_errors),
ENIC_RX_STAT(rx_rss),
ENIC_RX_STAT(rx_crc_errors),
ENIC_RX_STAT(rx_frames_64),
ENIC_RX_STAT(rx_frames_127),
ENIC_RX_STAT(rx_frames_255),
ENIC_RX_STAT(rx_frames_511),
ENIC_RX_STAT(rx_frames_1023),
ENIC_RX_STAT(rx_frames_1518),
ENIC_RX_STAT(rx_frames_to_max),
};
static const unsigned int enic_n_tx_stats = ARRAY_SIZE(enic_tx_stats);
static const unsigned int enic_n_rx_stats = ARRAY_SIZE(enic_rx_stats);
static int enic_get_settings(struct net_device *netdev,
struct ethtool_cmd *ecmd)
{
struct enic *enic = netdev_priv(netdev);
ecmd->supported = (SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE);
ecmd->advertising = (ADVERTISED_10000baseT_Full | ADVERTISED_FIBRE);
ecmd->port = PORT_FIBRE;
ecmd->transceiver = XCVR_EXTERNAL;
if (netif_carrier_ok(netdev)) {
ethtool_cmd_speed_set(ecmd, vnic_dev_port_speed(enic->vdev));
ecmd->duplex = DUPLEX_FULL;
} else {
ethtool_cmd_speed_set(ecmd, -1);
ecmd->duplex = -1;
}
ecmd->autoneg = AUTONEG_DISABLE;
return 0;
}
static void enic_get_drvinfo(struct net_device *netdev,
struct ethtool_drvinfo *drvinfo)
{
struct enic *enic = netdev_priv(netdev);
struct vnic_devcmd_fw_info *fw_info;
enic_dev_fw_info(enic, &fw_info);
strncpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver));
strncpy(drvinfo->version, DRV_VERSION, sizeof(drvinfo->version));
strncpy(drvinfo->fw_version, fw_info->fw_version,
sizeof(drvinfo->fw_version));
strncpy(drvinfo->bus_info, pci_name(enic->pdev),
sizeof(drvinfo->bus_info));
}
static u32 enic_get_msglevel(struct net_device *netdev)
{
struct enic *enic = netdev_priv(netdev);
return enic->msg_enable;
}
static void enic_set_msglevel(struct net_device *netdev, u32 value)
{
struct enic *enic = netdev_priv(netdev);
enic->msg_enable = value;
}
static void enic_get_strings(struct net_device *netdev, u32 stringset,
u8 *data)
{
unsigned int i;
switch (stringset) {
case ETH_SS_STATS:
for (i = 0; i < enic_n_tx_stats; i++) {
memcpy(data, enic_tx_stats[i].name, ETH_GSTRING_LEN);
data += ETH_GSTRING_LEN;
}
for (i = 0; i < enic_n_rx_stats; i++) {
memcpy(data, enic_rx_stats[i].name, ETH_GSTRING_LEN);
data += ETH_GSTRING_LEN;
}
break;
}
}
#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 24))
static int enic_get_stats_count(struct net_device *netdev)
{
return enic_n_tx_stats + enic_n_rx_stats;
}
#else
static int enic_get_sset_count(struct net_device *netdev, int sset)
{
switch (sset) {
case ETH_SS_STATS:
return enic_n_tx_stats + enic_n_rx_stats;
default:
return -EOPNOTSUPP;
}
}
#endif
static void enic_get_ethtool_stats(struct net_device *netdev,
struct ethtool_stats *stats, u64 *data)
{
struct enic *enic = netdev_priv(netdev);
struct vnic_stats *vstats;
unsigned int i;
enic_dev_stats_dump(enic, &vstats);
for (i = 0; i < enic_n_tx_stats; i++)
*(data++) = ((u64 *)&vstats->tx)[enic_tx_stats[i].offset];
for (i = 0; i < enic_n_rx_stats; i++)
*(data++) = ((u64 *)&vstats->rx)[enic_rx_stats[i].offset];
}
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 0, 00))
static u32 enic_get_rx_csum(struct net_device *netdev)
{
struct enic *enic = netdev_priv(netdev);
return enic->csum_rx_enabled;
}
static int enic_set_rx_csum(struct net_device *netdev, u32 data)
{
struct enic *enic = netdev_priv(netdev);
if (data && !ENIC_SETTING(enic, RXCSUM))
return -EINVAL;
enic->csum_rx_enabled = !!data;
return 0;
}
static int enic_set_tx_csum(struct net_device *netdev, u32 data)
{
struct enic *enic = netdev_priv(netdev);
if (data && !ENIC_SETTING(enic, TXCSUM))
return -EINVAL;
if (data)
netdev->features |= NETIF_F_HW_CSUM;
else
netdev->features &= ~NETIF_F_HW_CSUM;
return 0;
}
static int enic_set_tso(struct net_device *netdev, u32 data)
{
struct enic *enic = netdev_priv(netdev);
if (data && !ENIC_SETTING(enic, TSO))
return -EINVAL;
if (data)
netdev->features |=
NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_TSO_ECN;
else
netdev->features &=
~(NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_TSO_ECN);
return 0;
}
#endif
static int enic_get_coalesce(struct net_device *netdev,
struct ethtool_coalesce *ecmd)
{
struct enic *enic = netdev_priv(netdev);
ecmd->tx_coalesce_usecs = enic->tx_coalesce_usecs;
ecmd->rx_coalesce_usecs = enic->rx_coalesce_usecs;
return 0;
}
static int enic_set_coalesce(struct net_device *netdev,
struct ethtool_coalesce *ecmd)
{
struct enic *enic = netdev_priv(netdev);
u32 tx_coalesce_usecs;
u32 rx_coalesce_usecs;
unsigned int i, intr;
tx_coalesce_usecs = min_t(u32, ecmd->tx_coalesce_usecs,
vnic_dev_get_intr_coal_timer_max(enic->vdev));
rx_coalesce_usecs = min_t(u32, ecmd->rx_coalesce_usecs,
vnic_dev_get_intr_coal_timer_max(enic->vdev));
switch (vnic_dev_get_intr_mode(enic->vdev)) {
case VNIC_DEV_INTR_MODE_INTX:
if (tx_coalesce_usecs != rx_coalesce_usecs)
return -EINVAL;
intr = enic_legacy_io_intr();
vnic_intr_coalescing_timer_set(&enic->intr[intr],
tx_coalesce_usecs);
break;
case VNIC_DEV_INTR_MODE_MSI:
if (tx_coalesce_usecs != rx_coalesce_usecs)
return -EINVAL;
vnic_intr_coalescing_timer_set(&enic->intr[0],
tx_coalesce_usecs);
break;
case VNIC_DEV_INTR_MODE_MSIX:
for (i = 0; i < enic->wq_count; i++) {
intr = enic_msix_wq_intr(enic, i);
vnic_intr_coalescing_timer_set(&enic->intr[intr],
tx_coalesce_usecs);
}
for (i = 0; i < enic->rq_count; i++) {
intr = enic_msix_rq_intr(enic, i);
vnic_intr_coalescing_timer_set(&enic->intr[intr],
rx_coalesce_usecs);
}
break;
default:
break;
}
enic->tx_coalesce_usecs = tx_coalesce_usecs;
enic->rx_coalesce_usecs = rx_coalesce_usecs;
return 0;
}
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 32))
static struct ethtool_ops enic_ethtool_ops = {
#else
static const struct ethtool_ops enic_ethtool_ops = {
#endif
.get_settings = enic_get_settings,
.get_drvinfo = enic_get_drvinfo,
.get_msglevel = enic_get_msglevel,
.set_msglevel = enic_set_msglevel,
.get_link = ethtool_op_get_link,
.get_strings = enic_get_strings,
#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 24))
.get_stats_count = enic_get_stats_count,
#else
.get_sset_count = enic_get_sset_count,
#endif
.get_ethtool_stats = enic_get_ethtool_stats,
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 0, 00))
.get_rx_csum = enic_get_rx_csum,
.set_rx_csum = enic_set_rx_csum,
.get_tx_csum = ethtool_op_get_tx_csum,
.set_tx_csum = enic_set_tx_csum,
.get_sg = ethtool_op_get_sg,
.set_sg = ethtool_op_set_sg,
.get_tso = ethtool_op_get_tso,
.set_tso = enic_set_tso,
#endif
.get_coalesce = enic_get_coalesce,
.set_coalesce = enic_set_coalesce,
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 24) && LINUX_VERSION_CODE < KERNEL_VERSION(3, 0, 00))
.get_flags = ethtool_op_get_flags,
#endif
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 24) && LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 36))
.set_flags = ethtool_op_set_flags,
#endif
};
void enic_set_ethtool_ops(struct enic *enic)
{
enic->netdev->ethtool_ops = &enic_ethtool_ops;
}
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