606 lines
16 KiB
C
606 lines
16 KiB
C
|
/**
|
||
|
|
* Copyright 2013 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 "enic_res.h"
|
||
|
|
#include "enic.h"
|
||
|
|
#include "enic_dev.h"
|
||
|
|
#include "enic_clsf.h"
|
||
|
|
#include "vnic_rss.h"
|
||
|
|
#include "vnic_stats.h"
|
||
|
|
|
||
|
|
struct enic_stat {
|
||
|
|
char name[ETH_GSTRING_LEN];
|
||
|
|
unsigned int index;
|
||
|
|
};
|
||
|
|
|
||
|
|
#define ENIC_TX_STAT(stat) { \
|
||
|
|
.name = #stat, \
|
||
|
|
.index = offsetof(struct vnic_tx_stats, stat) / sizeof(u64) \
|
||
|
|
}
|
||
|
|
|
||
|
|
#define ENIC_RX_STAT(stat) { \
|
||
|
|
.name = #stat, \
|
||
|
|
.index = offsetof(struct vnic_rx_stats, stat) / sizeof(u64) \
|
||
|
|
}
|
||
|
|
|
||
|
|
#define ENIC_GEN_STAT(stat) { \
|
||
|
|
.name = #stat, \
|
||
|
|
.index = offsetof(struct vnic_gen_stats, stat) / sizeof(u64)\
|
||
|
|
}
|
||
|
|
|
||
|
|
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 struct enic_stat enic_gen_stats[] = {
|
||
|
|
ENIC_GEN_STAT(dma_map_error),
|
||
|
|
};
|
||
|
|
|
||
|
|
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 const unsigned int enic_n_gen_stats = ARRAY_SIZE(enic_gen_stats);
|
||
|
|
|
||
|
|
static void enic_intr_coal_set_rx(struct enic *enic, u32 timer)
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
int intr;
|
||
|
|
|
||
|
|
for (i = 0; i < enic->rq_count; i++) {
|
||
|
|
intr = enic_msix_rq_intr(enic, i);
|
||
|
|
vnic_intr_coalescing_timer_set(&enic->intr[intr], timer);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static int enic_get_ksettings(struct net_device *netdev,
|
||
|
|
struct ethtool_link_ksettings *ecmd)
|
||
|
|
{
|
||
|
|
struct enic *enic = netdev_priv(netdev);
|
||
|
|
struct ethtool_link_settings *base = &ecmd->base;
|
||
|
|
|
||
|
|
ethtool_link_ksettings_add_link_mode(ecmd, supported,
|
||
|
|
10000baseT_Full);
|
||
|
|
ethtool_link_ksettings_add_link_mode(ecmd, supported, FIBRE);
|
||
|
|
ethtool_link_ksettings_add_link_mode(ecmd, advertising,
|
||
|
|
10000baseT_Full);
|
||
|
|
ethtool_link_ksettings_add_link_mode(ecmd, advertising, FIBRE);
|
||
|
|
base->port = PORT_FIBRE;
|
||
|
|
|
||
|
|
if (netif_carrier_ok(netdev)) {
|
||
|
|
base->speed = vnic_dev_port_speed(enic->vdev);
|
||
|
|
base->duplex = DUPLEX_FULL;
|
||
|
|
} else {
|
||
|
|
base->speed = SPEED_UNKNOWN;
|
||
|
|
base->duplex = DUPLEX_UNKNOWN;
|
||
|
|
}
|
||
|
|
|
||
|
|
base->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;
|
||
|
|
int err;
|
||
|
|
|
||
|
|
err = enic_dev_fw_info(enic, &fw_info);
|
||
|
|
/* return only when pci_zalloc_consistent fails in vnic_dev_fw_info
|
||
|
|
* For other failures, like devcmd failure, we return previously
|
||
|
|
* recorded info.
|
||
|
|
*/
|
||
|
|
if (err == -ENOMEM)
|
||
|
|
return;
|
||
|
|
|
||
|
|
strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver));
|
||
|
|
strlcpy(drvinfo->version, DRV_VERSION, sizeof(drvinfo->version));
|
||
|
|
strlcpy(drvinfo->fw_version, fw_info->fw_version,
|
||
|
|
sizeof(drvinfo->fw_version));
|
||
|
|
strlcpy(drvinfo->bus_info, pci_name(enic->pdev),
|
||
|
|
sizeof(drvinfo->bus_info));
|
||
|
|
}
|
||
|
|
|
||
|
|
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;
|
||
|
|
}
|
||
|
|
for (i = 0; i < enic_n_gen_stats; i++) {
|
||
|
|
memcpy(data, enic_gen_stats[i].name, ETH_GSTRING_LEN);
|
||
|
|
data += ETH_GSTRING_LEN;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static void enic_get_ringparam(struct net_device *netdev,
|
||
|
|
struct ethtool_ringparam *ring)
|
||
|
|
{
|
||
|
|
struct enic *enic = netdev_priv(netdev);
|
||
|
|
struct vnic_enet_config *c = &enic->config;
|
||
|
|
|
||
|
|
ring->rx_max_pending = ENIC_MAX_RQ_DESCS;
|
||
|
|
ring->rx_pending = c->rq_desc_count;
|
||
|
|
ring->tx_max_pending = ENIC_MAX_WQ_DESCS;
|
||
|
|
ring->tx_pending = c->wq_desc_count;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int enic_set_ringparam(struct net_device *netdev,
|
||
|
|
struct ethtool_ringparam *ring)
|
||
|
|
{
|
||
|
|
struct enic *enic = netdev_priv(netdev);
|
||
|
|
struct vnic_enet_config *c = &enic->config;
|
||
|
|
int running = netif_running(netdev);
|
||
|
|
unsigned int rx_pending;
|
||
|
|
unsigned int tx_pending;
|
||
|
|
int err = 0;
|
||
|
|
|
||
|
|
if (ring->rx_mini_max_pending || ring->rx_mini_pending) {
|
||
|
|
netdev_info(netdev,
|
||
|
|
"modifying mini ring params is not supported");
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
if (ring->rx_jumbo_max_pending || ring->rx_jumbo_pending) {
|
||
|
|
netdev_info(netdev,
|
||
|
|
"modifying jumbo ring params is not supported");
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
rx_pending = c->rq_desc_count;
|
||
|
|
tx_pending = c->wq_desc_count;
|
||
|
|
if (ring->rx_pending > ENIC_MAX_RQ_DESCS ||
|
||
|
|
ring->rx_pending < ENIC_MIN_RQ_DESCS) {
|
||
|
|
netdev_info(netdev, "rx pending (%u) not in range [%u,%u]",
|
||
|
|
ring->rx_pending, ENIC_MIN_RQ_DESCS,
|
||
|
|
ENIC_MAX_RQ_DESCS);
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
if (ring->tx_pending > ENIC_MAX_WQ_DESCS ||
|
||
|
|
ring->tx_pending < ENIC_MIN_WQ_DESCS) {
|
||
|
|
netdev_info(netdev, "tx pending (%u) not in range [%u,%u]",
|
||
|
|
ring->tx_pending, ENIC_MIN_WQ_DESCS,
|
||
|
|
ENIC_MAX_WQ_DESCS);
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
if (running)
|
||
|
|
dev_close(netdev);
|
||
|
|
c->rq_desc_count =
|
||
|
|
ring->rx_pending & 0xffffffe0; /* must be aligned to groups of 32 */
|
||
|
|
c->wq_desc_count =
|
||
|
|
ring->tx_pending & 0xffffffe0; /* must be aligned to groups of 32 */
|
||
|
|
enic_free_vnic_resources(enic);
|
||
|
|
err = enic_alloc_vnic_resources(enic);
|
||
|
|
if (err) {
|
||
|
|
netdev_err(netdev,
|
||
|
|
"Failed to alloc vNIC resources, aborting\n");
|
||
|
|
enic_free_vnic_resources(enic);
|
||
|
|
goto err_out;
|
||
|
|
}
|
||
|
|
enic_init_vnic_resources(enic);
|
||
|
|
if (running) {
|
||
|
|
err = dev_open(netdev);
|
||
|
|
if (err)
|
||
|
|
goto err_out;
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
err_out:
|
||
|
|
c->rq_desc_count = rx_pending;
|
||
|
|
c->wq_desc_count = tx_pending;
|
||
|
|
return err;
|
||
|
|
}
|
||
|
|
|
||
|
|
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 + enic_n_gen_stats;
|
||
|
|
default:
|
||
|
|
return -EOPNOTSUPP;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
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;
|
||
|
|
int err;
|
||
|
|
|
||
|
|
err = enic_dev_stats_dump(enic, &vstats);
|
||
|
|
/* return only when pci_zalloc_consistent fails in vnic_dev_stats_dump
|
||
|
|
* For other failures, like devcmd failure, we return previously
|
||
|
|
* recorded stats.
|
||
|
|
*/
|
||
|
|
if (err == -ENOMEM)
|
||
|
|
return;
|
||
|
|
|
||
|
|
for (i = 0; i < enic_n_tx_stats; i++)
|
||
|
|
*(data++) = ((u64 *)&vstats->tx)[enic_tx_stats[i].index];
|
||
|
|
for (i = 0; i < enic_n_rx_stats; i++)
|
||
|
|
*(data++) = ((u64 *)&vstats->rx)[enic_rx_stats[i].index];
|
||
|
|
for (i = 0; i < enic_n_gen_stats; i++)
|
||
|
|
*(data++) = ((u64 *)&enic->gen_stats)[enic_gen_stats[i].index];
|
||
|
|
}
|
||
|
|
|
||
|
|
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 int enic_get_coalesce(struct net_device *netdev,
|
||
|
|
struct ethtool_coalesce *ecmd)
|
||
|
|
{
|
||
|
|
struct enic *enic = netdev_priv(netdev);
|
||
|
|
struct enic_rx_coal *rxcoal = &enic->rx_coalesce_setting;
|
||
|
|
|
||
|
|
if (vnic_dev_get_intr_mode(enic->vdev) == VNIC_DEV_INTR_MODE_MSIX)
|
||
|
|
ecmd->tx_coalesce_usecs = enic->tx_coalesce_usecs;
|
||
|
|
ecmd->rx_coalesce_usecs = enic->rx_coalesce_usecs;
|
||
|
|
if (rxcoal->use_adaptive_rx_coalesce)
|
||
|
|
ecmd->use_adaptive_rx_coalesce = 1;
|
||
|
|
ecmd->rx_coalesce_usecs_low = rxcoal->small_pkt_range_start;
|
||
|
|
ecmd->rx_coalesce_usecs_high = rxcoal->range_end;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int enic_coalesce_valid(struct enic *enic,
|
||
|
|
struct ethtool_coalesce *ec)
|
||
|
|
{
|
||
|
|
u32 coalesce_usecs_max = vnic_dev_get_intr_coal_timer_max(enic->vdev);
|
||
|
|
u32 rx_coalesce_usecs_high = min_t(u32, coalesce_usecs_max,
|
||
|
|
ec->rx_coalesce_usecs_high);
|
||
|
|
u32 rx_coalesce_usecs_low = min_t(u32, coalesce_usecs_max,
|
||
|
|
ec->rx_coalesce_usecs_low);
|
||
|
|
|
||
|
|
if (ec->rx_max_coalesced_frames ||
|
||
|
|
ec->rx_coalesce_usecs_irq ||
|
||
|
|
ec->rx_max_coalesced_frames_irq ||
|
||
|
|
ec->tx_max_coalesced_frames ||
|
||
|
|
ec->tx_coalesce_usecs_irq ||
|
||
|
|
ec->tx_max_coalesced_frames_irq ||
|
||
|
|
ec->stats_block_coalesce_usecs ||
|
||
|
|
ec->use_adaptive_tx_coalesce ||
|
||
|
|
ec->pkt_rate_low ||
|
||
|
|
ec->rx_max_coalesced_frames_low ||
|
||
|
|
ec->tx_coalesce_usecs_low ||
|
||
|
|
ec->tx_max_coalesced_frames_low ||
|
||
|
|
ec->pkt_rate_high ||
|
||
|
|
ec->rx_max_coalesced_frames_high ||
|
||
|
|
ec->tx_coalesce_usecs_high ||
|
||
|
|
ec->tx_max_coalesced_frames_high ||
|
||
|
|
ec->rate_sample_interval)
|
||
|
|
return -EINVAL;
|
||
|
|
|
||
|
|
if ((vnic_dev_get_intr_mode(enic->vdev) != VNIC_DEV_INTR_MODE_MSIX) &&
|
||
|
|
ec->tx_coalesce_usecs)
|
||
|
|
return -EINVAL;
|
||
|
|
|
||
|
|
if ((ec->tx_coalesce_usecs > coalesce_usecs_max) ||
|
||
|
|
(ec->rx_coalesce_usecs > coalesce_usecs_max) ||
|
||
|
|
(ec->rx_coalesce_usecs_low > coalesce_usecs_max) ||
|
||
|
|
(ec->rx_coalesce_usecs_high > coalesce_usecs_max))
|
||
|
|
netdev_info(enic->netdev, "ethtool_set_coalesce: adaptor supports max coalesce value of %d. Setting max value.\n",
|
||
|
|
coalesce_usecs_max);
|
||
|
|
|
||
|
|
if (ec->rx_coalesce_usecs_high &&
|
||
|
|
(rx_coalesce_usecs_high <
|
||
|
|
rx_coalesce_usecs_low + ENIC_AIC_LARGE_PKT_DIFF))
|
||
|
|
return -EINVAL;
|
||
|
|
|
||
|
|
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;
|
||
|
|
u32 rx_coalesce_usecs_low;
|
||
|
|
u32 rx_coalesce_usecs_high;
|
||
|
|
u32 coalesce_usecs_max;
|
||
|
|
unsigned int i, intr;
|
||
|
|
int ret;
|
||
|
|
struct enic_rx_coal *rxcoal = &enic->rx_coalesce_setting;
|
||
|
|
|
||
|
|
ret = enic_coalesce_valid(enic, ecmd);
|
||
|
|
if (ret)
|
||
|
|
return ret;
|
||
|
|
coalesce_usecs_max = vnic_dev_get_intr_coal_timer_max(enic->vdev);
|
||
|
|
tx_coalesce_usecs = min_t(u32, ecmd->tx_coalesce_usecs,
|
||
|
|
coalesce_usecs_max);
|
||
|
|
rx_coalesce_usecs = min_t(u32, ecmd->rx_coalesce_usecs,
|
||
|
|
coalesce_usecs_max);
|
||
|
|
|
||
|
|
rx_coalesce_usecs_low = min_t(u32, ecmd->rx_coalesce_usecs_low,
|
||
|
|
coalesce_usecs_max);
|
||
|
|
rx_coalesce_usecs_high = min_t(u32, ecmd->rx_coalesce_usecs_high,
|
||
|
|
coalesce_usecs_max);
|
||
|
|
|
||
|
|
if (vnic_dev_get_intr_mode(enic->vdev) == 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);
|
||
|
|
}
|
||
|
|
enic->tx_coalesce_usecs = tx_coalesce_usecs;
|
||
|
|
}
|
||
|
|
rxcoal->use_adaptive_rx_coalesce = !!ecmd->use_adaptive_rx_coalesce;
|
||
|
|
if (!rxcoal->use_adaptive_rx_coalesce)
|
||
|
|
enic_intr_coal_set_rx(enic, rx_coalesce_usecs);
|
||
|
|
if (ecmd->rx_coalesce_usecs_high) {
|
||
|
|
rxcoal->range_end = rx_coalesce_usecs_high;
|
||
|
|
rxcoal->small_pkt_range_start = rx_coalesce_usecs_low;
|
||
|
|
rxcoal->large_pkt_range_start = rx_coalesce_usecs_low +
|
||
|
|
ENIC_AIC_LARGE_PKT_DIFF;
|
||
|
|
}
|
||
|
|
|
||
|
|
enic->rx_coalesce_usecs = rx_coalesce_usecs;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int enic_grxclsrlall(struct enic *enic, struct ethtool_rxnfc *cmd,
|
||
|
|
u32 *rule_locs)
|
||
|
|
{
|
||
|
|
int j, ret = 0, cnt = 0;
|
||
|
|
|
||
|
|
cmd->data = enic->rfs_h.max - enic->rfs_h.free;
|
||
|
|
for (j = 0; j < (1 << ENIC_RFS_FLW_BITSHIFT); j++) {
|
||
|
|
struct hlist_head *hhead;
|
||
|
|
struct hlist_node *tmp;
|
||
|
|
struct enic_rfs_fltr_node *n;
|
||
|
|
|
||
|
|
hhead = &enic->rfs_h.ht_head[j];
|
||
|
|
hlist_for_each_entry_safe(n, tmp, hhead, node) {
|
||
|
|
if (cnt == cmd->rule_cnt)
|
||
|
|
return -EMSGSIZE;
|
||
|
|
rule_locs[cnt] = n->fltr_id;
|
||
|
|
cnt++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
cmd->rule_cnt = cnt;
|
||
|
|
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int enic_grxclsrule(struct enic *enic, struct ethtool_rxnfc *cmd)
|
||
|
|
{
|
||
|
|
struct ethtool_rx_flow_spec *fsp =
|
||
|
|
(struct ethtool_rx_flow_spec *)&cmd->fs;
|
||
|
|
struct enic_rfs_fltr_node *n;
|
||
|
|
|
||
|
|
n = htbl_fltr_search(enic, (u16)fsp->location);
|
||
|
|
if (!n)
|
||
|
|
return -EINVAL;
|
||
|
|
switch (n->keys.basic.ip_proto) {
|
||
|
|
case IPPROTO_TCP:
|
||
|
|
fsp->flow_type = TCP_V4_FLOW;
|
||
|
|
break;
|
||
|
|
case IPPROTO_UDP:
|
||
|
|
fsp->flow_type = UDP_V4_FLOW;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
return -EINVAL;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
fsp->h_u.tcp_ip4_spec.ip4src = flow_get_u32_src(&n->keys);
|
||
|
|
fsp->m_u.tcp_ip4_spec.ip4src = (__u32)~0;
|
||
|
|
|
||
|
|
fsp->h_u.tcp_ip4_spec.ip4dst = flow_get_u32_dst(&n->keys);
|
||
|
|
fsp->m_u.tcp_ip4_spec.ip4dst = (__u32)~0;
|
||
|
|
|
||
|
|
fsp->h_u.tcp_ip4_spec.psrc = n->keys.ports.src;
|
||
|
|
fsp->m_u.tcp_ip4_spec.psrc = (__u16)~0;
|
||
|
|
|
||
|
|
fsp->h_u.tcp_ip4_spec.pdst = n->keys.ports.dst;
|
||
|
|
fsp->m_u.tcp_ip4_spec.pdst = (__u16)~0;
|
||
|
|
|
||
|
|
fsp->ring_cookie = n->rq_id;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int enic_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
|
||
|
|
u32 *rule_locs)
|
||
|
|
{
|
||
|
|
struct enic *enic = netdev_priv(dev);
|
||
|
|
int ret = 0;
|
||
|
|
|
||
|
|
switch (cmd->cmd) {
|
||
|
|
case ETHTOOL_GRXRINGS:
|
||
|
|
cmd->data = enic->rq_count;
|
||
|
|
break;
|
||
|
|
case ETHTOOL_GRXCLSRLCNT:
|
||
|
|
spin_lock_bh(&enic->rfs_h.lock);
|
||
|
|
cmd->rule_cnt = enic->rfs_h.max - enic->rfs_h.free;
|
||
|
|
cmd->data = enic->rfs_h.max;
|
||
|
|
spin_unlock_bh(&enic->rfs_h.lock);
|
||
|
|
break;
|
||
|
|
case ETHTOOL_GRXCLSRLALL:
|
||
|
|
spin_lock_bh(&enic->rfs_h.lock);
|
||
|
|
ret = enic_grxclsrlall(enic, cmd, rule_locs);
|
||
|
|
spin_unlock_bh(&enic->rfs_h.lock);
|
||
|
|
break;
|
||
|
|
case ETHTOOL_GRXCLSRULE:
|
||
|
|
spin_lock_bh(&enic->rfs_h.lock);
|
||
|
|
ret = enic_grxclsrule(enic, cmd);
|
||
|
|
spin_unlock_bh(&enic->rfs_h.lock);
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
ret = -EOPNOTSUPP;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int enic_get_tunable(struct net_device *dev,
|
||
|
|
const struct ethtool_tunable *tuna, void *data)
|
||
|
|
{
|
||
|
|
struct enic *enic = netdev_priv(dev);
|
||
|
|
int ret = 0;
|
||
|
|
|
||
|
|
switch (tuna->id) {
|
||
|
|
case ETHTOOL_RX_COPYBREAK:
|
||
|
|
*(u32 *)data = enic->rx_copybreak;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
ret = -EINVAL;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int enic_set_tunable(struct net_device *dev,
|
||
|
|
const struct ethtool_tunable *tuna,
|
||
|
|
const void *data)
|
||
|
|
{
|
||
|
|
struct enic *enic = netdev_priv(dev);
|
||
|
|
int ret = 0;
|
||
|
|
|
||
|
|
switch (tuna->id) {
|
||
|
|
case ETHTOOL_RX_COPYBREAK:
|
||
|
|
enic->rx_copybreak = *(u32 *)data;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
ret = -EINVAL;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
static u32 enic_get_rxfh_key_size(struct net_device *netdev)
|
||
|
|
{
|
||
|
|
return ENIC_RSS_LEN;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int enic_get_rxfh(struct net_device *netdev, u32 *indir, u8 *hkey,
|
||
|
|
u8 *hfunc)
|
||
|
|
{
|
||
|
|
struct enic *enic = netdev_priv(netdev);
|
||
|
|
|
||
|
|
if (hkey)
|
||
|
|
memcpy(hkey, enic->rss_key, ENIC_RSS_LEN);
|
||
|
|
|
||
|
|
if (hfunc)
|
||
|
|
*hfunc = ETH_RSS_HASH_TOP;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int enic_set_rxfh(struct net_device *netdev, const u32 *indir,
|
||
|
|
const u8 *hkey, const u8 hfunc)
|
||
|
|
{
|
||
|
|
struct enic *enic = netdev_priv(netdev);
|
||
|
|
|
||
|
|
if ((hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) ||
|
||
|
|
indir)
|
||
|
|
return -EINVAL;
|
||
|
|
|
||
|
|
if (hkey)
|
||
|
|
memcpy(enic->rss_key, hkey, ENIC_RSS_LEN);
|
||
|
|
|
||
|
|
return __enic_set_rsskey(enic);
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct ethtool_ops enic_ethtool_ops = {
|
||
|
|
.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,
|
||
|
|
.get_ringparam = enic_get_ringparam,
|
||
|
|
.set_ringparam = enic_set_ringparam,
|
||
|
|
.get_sset_count = enic_get_sset_count,
|
||
|
|
.get_ethtool_stats = enic_get_ethtool_stats,
|
||
|
|
.get_coalesce = enic_get_coalesce,
|
||
|
|
.set_coalesce = enic_set_coalesce,
|
||
|
|
.get_rxnfc = enic_get_rxnfc,
|
||
|
|
.get_tunable = enic_get_tunable,
|
||
|
|
.set_tunable = enic_set_tunable,
|
||
|
|
.get_rxfh_key_size = enic_get_rxfh_key_size,
|
||
|
|
.get_rxfh = enic_get_rxfh,
|
||
|
|
.set_rxfh = enic_set_rxfh,
|
||
|
|
.get_link_ksettings = enic_get_ksettings,
|
||
|
|
};
|
||
|
|
|
||
|
|
void enic_set_ethtool_ops(struct net_device *netdev)
|
||
|
|
{
|
||
|
|
netdev->ethtool_ops = &enic_ethtool_ops;
|
||
|
|
}
|