forked from Minki/linux
537fae0101
Signed-off-by: Jiri Pirko <jiri@resnulli.us> Signed-off-by: David S. Miller <davem@davemloft.net>
307 lines
8.4 KiB
C
307 lines
8.4 KiB
C
/**
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* Copyright 2013 Cisco Systems, Inc. All rights reserved.
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*
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* This program is free software; you may redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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*/
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#include <linux/netdevice.h>
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#include <linux/ethtool.h>
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#include "enic_res.h"
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#include "enic.h"
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#include "enic_dev.h"
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struct enic_stat {
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char name[ETH_GSTRING_LEN];
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unsigned int index;
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};
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#define ENIC_TX_STAT(stat) { \
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.name = #stat, \
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.index = offsetof(struct vnic_tx_stats, stat) / sizeof(u64) \
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}
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#define ENIC_RX_STAT(stat) { \
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.name = #stat, \
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.index = offsetof(struct vnic_rx_stats, stat) / sizeof(u64) \
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}
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static const struct enic_stat enic_tx_stats[] = {
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ENIC_TX_STAT(tx_frames_ok),
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ENIC_TX_STAT(tx_unicast_frames_ok),
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ENIC_TX_STAT(tx_multicast_frames_ok),
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ENIC_TX_STAT(tx_broadcast_frames_ok),
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ENIC_TX_STAT(tx_bytes_ok),
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ENIC_TX_STAT(tx_unicast_bytes_ok),
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ENIC_TX_STAT(tx_multicast_bytes_ok),
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ENIC_TX_STAT(tx_broadcast_bytes_ok),
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ENIC_TX_STAT(tx_drops),
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ENIC_TX_STAT(tx_errors),
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ENIC_TX_STAT(tx_tso),
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};
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static const struct enic_stat enic_rx_stats[] = {
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ENIC_RX_STAT(rx_frames_ok),
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ENIC_RX_STAT(rx_frames_total),
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ENIC_RX_STAT(rx_unicast_frames_ok),
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ENIC_RX_STAT(rx_multicast_frames_ok),
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ENIC_RX_STAT(rx_broadcast_frames_ok),
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ENIC_RX_STAT(rx_bytes_ok),
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ENIC_RX_STAT(rx_unicast_bytes_ok),
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ENIC_RX_STAT(rx_multicast_bytes_ok),
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ENIC_RX_STAT(rx_broadcast_bytes_ok),
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ENIC_RX_STAT(rx_drop),
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ENIC_RX_STAT(rx_no_bufs),
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ENIC_RX_STAT(rx_errors),
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ENIC_RX_STAT(rx_rss),
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ENIC_RX_STAT(rx_crc_errors),
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ENIC_RX_STAT(rx_frames_64),
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ENIC_RX_STAT(rx_frames_127),
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ENIC_RX_STAT(rx_frames_255),
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ENIC_RX_STAT(rx_frames_511),
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ENIC_RX_STAT(rx_frames_1023),
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ENIC_RX_STAT(rx_frames_1518),
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ENIC_RX_STAT(rx_frames_to_max),
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};
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static const unsigned int enic_n_tx_stats = ARRAY_SIZE(enic_tx_stats);
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static const unsigned int enic_n_rx_stats = ARRAY_SIZE(enic_rx_stats);
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void enic_intr_coal_set_rx(struct enic *enic, u32 timer)
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{
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int i;
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int intr;
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for (i = 0; i < enic->rq_count; i++) {
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intr = enic_msix_rq_intr(enic, i);
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vnic_intr_coalescing_timer_set(&enic->intr[intr], timer);
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}
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}
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static int enic_get_settings(struct net_device *netdev,
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struct ethtool_cmd *ecmd)
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{
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struct enic *enic = netdev_priv(netdev);
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ecmd->supported = (SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE);
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ecmd->advertising = (ADVERTISED_10000baseT_Full | ADVERTISED_FIBRE);
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ecmd->port = PORT_FIBRE;
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ecmd->transceiver = XCVR_EXTERNAL;
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if (netif_carrier_ok(netdev)) {
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ethtool_cmd_speed_set(ecmd, vnic_dev_port_speed(enic->vdev));
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ecmd->duplex = DUPLEX_FULL;
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} else {
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ethtool_cmd_speed_set(ecmd, SPEED_UNKNOWN);
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ecmd->duplex = DUPLEX_UNKNOWN;
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}
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ecmd->autoneg = AUTONEG_DISABLE;
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return 0;
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}
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static void enic_get_drvinfo(struct net_device *netdev,
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struct ethtool_drvinfo *drvinfo)
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{
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struct enic *enic = netdev_priv(netdev);
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struct vnic_devcmd_fw_info *fw_info;
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enic_dev_fw_info(enic, &fw_info);
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strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver));
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strlcpy(drvinfo->version, DRV_VERSION, sizeof(drvinfo->version));
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strlcpy(drvinfo->fw_version, fw_info->fw_version,
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sizeof(drvinfo->fw_version));
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strlcpy(drvinfo->bus_info, pci_name(enic->pdev),
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sizeof(drvinfo->bus_info));
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}
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static void enic_get_strings(struct net_device *netdev, u32 stringset,
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u8 *data)
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{
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unsigned int i;
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switch (stringset) {
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case ETH_SS_STATS:
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for (i = 0; i < enic_n_tx_stats; i++) {
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memcpy(data, enic_tx_stats[i].name, ETH_GSTRING_LEN);
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data += ETH_GSTRING_LEN;
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}
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for (i = 0; i < enic_n_rx_stats; i++) {
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memcpy(data, enic_rx_stats[i].name, ETH_GSTRING_LEN);
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data += ETH_GSTRING_LEN;
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}
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break;
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}
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}
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static int enic_get_sset_count(struct net_device *netdev, int sset)
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{
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switch (sset) {
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case ETH_SS_STATS:
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return enic_n_tx_stats + enic_n_rx_stats;
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default:
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return -EOPNOTSUPP;
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}
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}
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static void enic_get_ethtool_stats(struct net_device *netdev,
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struct ethtool_stats *stats, u64 *data)
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{
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struct enic *enic = netdev_priv(netdev);
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struct vnic_stats *vstats;
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unsigned int i;
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enic_dev_stats_dump(enic, &vstats);
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for (i = 0; i < enic_n_tx_stats; i++)
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*(data++) = ((u64 *)&vstats->tx)[enic_tx_stats[i].index];
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for (i = 0; i < enic_n_rx_stats; i++)
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*(data++) = ((u64 *)&vstats->rx)[enic_rx_stats[i].index];
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}
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static u32 enic_get_msglevel(struct net_device *netdev)
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{
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struct enic *enic = netdev_priv(netdev);
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return enic->msg_enable;
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}
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static void enic_set_msglevel(struct net_device *netdev, u32 value)
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{
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struct enic *enic = netdev_priv(netdev);
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enic->msg_enable = value;
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}
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static int enic_get_coalesce(struct net_device *netdev,
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struct ethtool_coalesce *ecmd)
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{
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struct enic *enic = netdev_priv(netdev);
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struct enic_rx_coal *rxcoal = &enic->rx_coalesce_setting;
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ecmd->tx_coalesce_usecs = enic->tx_coalesce_usecs;
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ecmd->rx_coalesce_usecs = enic->rx_coalesce_usecs;
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if (rxcoal->use_adaptive_rx_coalesce)
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ecmd->use_adaptive_rx_coalesce = 1;
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ecmd->rx_coalesce_usecs_low = rxcoal->small_pkt_range_start;
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ecmd->rx_coalesce_usecs_high = rxcoal->range_end;
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return 0;
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}
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static int enic_set_coalesce(struct net_device *netdev,
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struct ethtool_coalesce *ecmd)
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{
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struct enic *enic = netdev_priv(netdev);
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u32 tx_coalesce_usecs;
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u32 rx_coalesce_usecs;
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u32 rx_coalesce_usecs_low;
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u32 rx_coalesce_usecs_high;
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u32 coalesce_usecs_max;
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unsigned int i, intr;
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struct enic_rx_coal *rxcoal = &enic->rx_coalesce_setting;
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coalesce_usecs_max = vnic_dev_get_intr_coal_timer_max(enic->vdev);
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tx_coalesce_usecs = min_t(u32, ecmd->tx_coalesce_usecs,
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coalesce_usecs_max);
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rx_coalesce_usecs = min_t(u32, ecmd->rx_coalesce_usecs,
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coalesce_usecs_max);
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rx_coalesce_usecs_low = min_t(u32, ecmd->rx_coalesce_usecs_low,
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coalesce_usecs_max);
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rx_coalesce_usecs_high = min_t(u32, ecmd->rx_coalesce_usecs_high,
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coalesce_usecs_max);
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switch (vnic_dev_get_intr_mode(enic->vdev)) {
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case VNIC_DEV_INTR_MODE_INTX:
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if (tx_coalesce_usecs != rx_coalesce_usecs)
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return -EINVAL;
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if (ecmd->use_adaptive_rx_coalesce ||
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ecmd->rx_coalesce_usecs_low ||
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ecmd->rx_coalesce_usecs_high)
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return -EOPNOTSUPP;
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intr = enic_legacy_io_intr();
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vnic_intr_coalescing_timer_set(&enic->intr[intr],
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tx_coalesce_usecs);
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break;
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case VNIC_DEV_INTR_MODE_MSI:
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if (tx_coalesce_usecs != rx_coalesce_usecs)
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return -EINVAL;
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if (ecmd->use_adaptive_rx_coalesce ||
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ecmd->rx_coalesce_usecs_low ||
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ecmd->rx_coalesce_usecs_high)
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return -EOPNOTSUPP;
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vnic_intr_coalescing_timer_set(&enic->intr[0],
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tx_coalesce_usecs);
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break;
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case VNIC_DEV_INTR_MODE_MSIX:
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for (i = 0; i < enic->wq_count; i++) {
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intr = enic_msix_wq_intr(enic, i);
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vnic_intr_coalescing_timer_set(&enic->intr[intr],
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tx_coalesce_usecs);
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}
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if (rxcoal->use_adaptive_rx_coalesce) {
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if (!ecmd->use_adaptive_rx_coalesce) {
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rxcoal->use_adaptive_rx_coalesce = 0;
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enic_intr_coal_set_rx(enic, rx_coalesce_usecs);
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}
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} else {
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if (ecmd->use_adaptive_rx_coalesce)
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rxcoal->use_adaptive_rx_coalesce = 1;
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else
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enic_intr_coal_set_rx(enic, rx_coalesce_usecs);
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}
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if (ecmd->rx_coalesce_usecs_high) {
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if (rx_coalesce_usecs_high <
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(rx_coalesce_usecs_low + ENIC_AIC_LARGE_PKT_DIFF))
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return -EINVAL;
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rxcoal->range_end = rx_coalesce_usecs_high;
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rxcoal->small_pkt_range_start = rx_coalesce_usecs_low;
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rxcoal->large_pkt_range_start = rx_coalesce_usecs_low +
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ENIC_AIC_LARGE_PKT_DIFF;
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}
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break;
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default:
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break;
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}
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enic->tx_coalesce_usecs = tx_coalesce_usecs;
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enic->rx_coalesce_usecs = rx_coalesce_usecs;
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return 0;
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}
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static const struct ethtool_ops enic_ethtool_ops = {
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.get_settings = enic_get_settings,
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.get_drvinfo = enic_get_drvinfo,
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.get_msglevel = enic_get_msglevel,
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.set_msglevel = enic_set_msglevel,
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.get_link = ethtool_op_get_link,
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.get_strings = enic_get_strings,
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.get_sset_count = enic_get_sset_count,
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.get_ethtool_stats = enic_get_ethtool_stats,
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.get_coalesce = enic_get_coalesce,
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.set_coalesce = enic_set_coalesce,
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};
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void enic_set_ethtool_ops(struct net_device *netdev)
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{
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netdev->ethtool_ops = &enic_ethtool_ops;
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}
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