705 lines
18 KiB
C
705 lines
18 KiB
C
/*
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* Copyright (C) 2015 Cavium, Inc.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License
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* as published by the Free Software Foundation.
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*/
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/* ETHTOOL Support for VNIC_VF Device*/
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#include <linux/pci.h>
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#include "nic_reg.h"
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#include "nic.h"
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#include "nicvf_queues.h"
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#include "q_struct.h"
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#include "thunder_bgx.h"
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#define DRV_NAME "thunder-nicvf"
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#define DRV_VERSION "1.0"
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struct nicvf_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 NICVF_HW_STAT(stat) { \
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.name = #stat, \
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.index = offsetof(struct nicvf_hw_stats, stat) / sizeof(u64), \
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}
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#define NICVF_DRV_STAT(stat) { \
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.name = #stat, \
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.index = offsetof(struct nicvf_drv_stats, stat) / sizeof(u64), \
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}
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static const struct nicvf_stat nicvf_hw_stats[] = {
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NICVF_HW_STAT(rx_bytes),
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NICVF_HW_STAT(rx_ucast_frames),
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NICVF_HW_STAT(rx_bcast_frames),
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NICVF_HW_STAT(rx_mcast_frames),
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NICVF_HW_STAT(rx_fcs_errors),
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NICVF_HW_STAT(rx_l2_errors),
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NICVF_HW_STAT(rx_drop_red),
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NICVF_HW_STAT(rx_drop_red_bytes),
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NICVF_HW_STAT(rx_drop_overrun),
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NICVF_HW_STAT(rx_drop_overrun_bytes),
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NICVF_HW_STAT(rx_drop_bcast),
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NICVF_HW_STAT(rx_drop_mcast),
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NICVF_HW_STAT(rx_drop_l3_bcast),
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NICVF_HW_STAT(rx_drop_l3_mcast),
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NICVF_HW_STAT(rx_bgx_truncated_pkts),
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NICVF_HW_STAT(rx_jabber_errs),
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NICVF_HW_STAT(rx_fcs_errs),
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NICVF_HW_STAT(rx_bgx_errs),
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NICVF_HW_STAT(rx_prel2_errs),
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NICVF_HW_STAT(rx_l2_hdr_malformed),
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NICVF_HW_STAT(rx_oversize),
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NICVF_HW_STAT(rx_undersize),
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NICVF_HW_STAT(rx_l2_len_mismatch),
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NICVF_HW_STAT(rx_l2_pclp),
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NICVF_HW_STAT(rx_ip_ver_errs),
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NICVF_HW_STAT(rx_ip_csum_errs),
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NICVF_HW_STAT(rx_ip_hdr_malformed),
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NICVF_HW_STAT(rx_ip_payload_malformed),
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NICVF_HW_STAT(rx_ip_ttl_errs),
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NICVF_HW_STAT(rx_l3_pclp),
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NICVF_HW_STAT(rx_l4_malformed),
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NICVF_HW_STAT(rx_l4_csum_errs),
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NICVF_HW_STAT(rx_udp_len_errs),
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NICVF_HW_STAT(rx_l4_port_errs),
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NICVF_HW_STAT(rx_tcp_flag_errs),
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NICVF_HW_STAT(rx_tcp_offset_errs),
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NICVF_HW_STAT(rx_l4_pclp),
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NICVF_HW_STAT(rx_truncated_pkts),
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NICVF_HW_STAT(tx_bytes_ok),
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NICVF_HW_STAT(tx_ucast_frames_ok),
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NICVF_HW_STAT(tx_bcast_frames_ok),
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NICVF_HW_STAT(tx_mcast_frames_ok),
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};
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static const struct nicvf_stat nicvf_drv_stats[] = {
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NICVF_DRV_STAT(rx_frames_ok),
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NICVF_DRV_STAT(rx_frames_64),
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NICVF_DRV_STAT(rx_frames_127),
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NICVF_DRV_STAT(rx_frames_255),
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NICVF_DRV_STAT(rx_frames_511),
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NICVF_DRV_STAT(rx_frames_1023),
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NICVF_DRV_STAT(rx_frames_1518),
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NICVF_DRV_STAT(rx_frames_jumbo),
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NICVF_DRV_STAT(rx_drops),
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NICVF_DRV_STAT(rcv_buffer_alloc_failures),
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NICVF_DRV_STAT(tx_frames_ok),
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NICVF_DRV_STAT(tx_tso),
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NICVF_DRV_STAT(tx_drops),
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NICVF_DRV_STAT(tx_timeout),
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NICVF_DRV_STAT(txq_stop),
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NICVF_DRV_STAT(txq_wake),
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};
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static const struct nicvf_stat nicvf_queue_stats[] = {
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{ "bytes", 0 },
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{ "frames", 1 },
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};
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static const unsigned int nicvf_n_hw_stats = ARRAY_SIZE(nicvf_hw_stats);
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static const unsigned int nicvf_n_drv_stats = ARRAY_SIZE(nicvf_drv_stats);
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static const unsigned int nicvf_n_queue_stats = ARRAY_SIZE(nicvf_queue_stats);
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static int nicvf_get_settings(struct net_device *netdev,
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struct ethtool_cmd *cmd)
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{
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struct nicvf *nic = netdev_priv(netdev);
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cmd->supported = 0;
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cmd->transceiver = XCVR_EXTERNAL;
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if (!nic->link_up) {
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cmd->duplex = DUPLEX_UNKNOWN;
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ethtool_cmd_speed_set(cmd, SPEED_UNKNOWN);
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return 0;
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}
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if (nic->speed <= 1000) {
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cmd->port = PORT_MII;
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cmd->autoneg = AUTONEG_ENABLE;
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} else {
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cmd->port = PORT_FIBRE;
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cmd->autoneg = AUTONEG_DISABLE;
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}
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cmd->duplex = nic->duplex;
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ethtool_cmd_speed_set(cmd, nic->speed);
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return 0;
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}
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static u32 nicvf_get_link(struct net_device *netdev)
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{
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struct nicvf *nic = netdev_priv(netdev);
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return nic->link_up;
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}
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static void nicvf_get_drvinfo(struct net_device *netdev,
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struct ethtool_drvinfo *info)
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{
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struct nicvf *nic = netdev_priv(netdev);
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strlcpy(info->driver, DRV_NAME, sizeof(info->driver));
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strlcpy(info->version, DRV_VERSION, sizeof(info->version));
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strlcpy(info->bus_info, pci_name(nic->pdev), sizeof(info->bus_info));
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}
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static u32 nicvf_get_msglevel(struct net_device *netdev)
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{
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struct nicvf *nic = netdev_priv(netdev);
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return nic->msg_enable;
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}
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static void nicvf_set_msglevel(struct net_device *netdev, u32 lvl)
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{
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struct nicvf *nic = netdev_priv(netdev);
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nic->msg_enable = lvl;
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}
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static void nicvf_get_qset_strings(struct nicvf *nic, u8 **data, int qset)
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{
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int stats, qidx;
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int start_qidx = qset * MAX_RCV_QUEUES_PER_QS;
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for (qidx = 0; qidx < nic->qs->rq_cnt; qidx++) {
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for (stats = 0; stats < nicvf_n_queue_stats; stats++) {
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sprintf(*data, "rxq%d: %s", qidx + start_qidx,
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nicvf_queue_stats[stats].name);
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*data += ETH_GSTRING_LEN;
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}
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}
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for (qidx = 0; qidx < nic->qs->sq_cnt; qidx++) {
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for (stats = 0; stats < nicvf_n_queue_stats; stats++) {
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sprintf(*data, "txq%d: %s", qidx + start_qidx,
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nicvf_queue_stats[stats].name);
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*data += ETH_GSTRING_LEN;
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}
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}
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}
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static void nicvf_get_strings(struct net_device *netdev, u32 sset, u8 *data)
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{
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struct nicvf *nic = netdev_priv(netdev);
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int stats;
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int sqs;
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if (sset != ETH_SS_STATS)
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return;
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for (stats = 0; stats < nicvf_n_hw_stats; stats++) {
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memcpy(data, nicvf_hw_stats[stats].name, ETH_GSTRING_LEN);
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data += ETH_GSTRING_LEN;
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}
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for (stats = 0; stats < nicvf_n_drv_stats; stats++) {
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memcpy(data, nicvf_drv_stats[stats].name, ETH_GSTRING_LEN);
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data += ETH_GSTRING_LEN;
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}
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nicvf_get_qset_strings(nic, &data, 0);
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for (sqs = 0; sqs < nic->sqs_count; sqs++) {
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if (!nic->snicvf[sqs])
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continue;
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nicvf_get_qset_strings(nic->snicvf[sqs], &data, sqs + 1);
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}
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for (stats = 0; stats < BGX_RX_STATS_COUNT; stats++) {
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sprintf(data, "bgx_rxstat%d: ", stats);
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data += ETH_GSTRING_LEN;
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}
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for (stats = 0; stats < BGX_TX_STATS_COUNT; stats++) {
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sprintf(data, "bgx_txstat%d: ", stats);
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data += ETH_GSTRING_LEN;
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}
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}
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static int nicvf_get_sset_count(struct net_device *netdev, int sset)
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{
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struct nicvf *nic = netdev_priv(netdev);
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int qstats_count;
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int sqs;
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if (sset != ETH_SS_STATS)
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return -EINVAL;
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qstats_count = nicvf_n_queue_stats *
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(nic->qs->rq_cnt + nic->qs->sq_cnt);
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for (sqs = 0; sqs < nic->sqs_count; sqs++) {
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struct nicvf *snic;
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snic = nic->snicvf[sqs];
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if (!snic)
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continue;
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qstats_count += nicvf_n_queue_stats *
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(snic->qs->rq_cnt + snic->qs->sq_cnt);
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}
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return nicvf_n_hw_stats + nicvf_n_drv_stats +
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qstats_count +
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BGX_RX_STATS_COUNT + BGX_TX_STATS_COUNT;
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}
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static void nicvf_get_qset_stats(struct nicvf *nic,
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struct ethtool_stats *stats, u64 **data)
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{
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int stat, qidx;
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if (!nic)
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return;
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for (qidx = 0; qidx < nic->qs->rq_cnt; qidx++) {
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nicvf_update_rq_stats(nic, qidx);
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for (stat = 0; stat < nicvf_n_queue_stats; stat++)
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*((*data)++) = ((u64 *)&nic->qs->rq[qidx].stats)
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[nicvf_queue_stats[stat].index];
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}
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for (qidx = 0; qidx < nic->qs->sq_cnt; qidx++) {
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nicvf_update_sq_stats(nic, qidx);
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for (stat = 0; stat < nicvf_n_queue_stats; stat++)
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*((*data)++) = ((u64 *)&nic->qs->sq[qidx].stats)
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[nicvf_queue_stats[stat].index];
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}
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}
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static void nicvf_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 nicvf *nic = netdev_priv(netdev);
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int stat;
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int sqs;
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nicvf_update_stats(nic);
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/* Update LMAC stats */
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nicvf_update_lmac_stats(nic);
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for (stat = 0; stat < nicvf_n_hw_stats; stat++)
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*(data++) = ((u64 *)&nic->hw_stats)
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[nicvf_hw_stats[stat].index];
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for (stat = 0; stat < nicvf_n_drv_stats; stat++)
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*(data++) = ((u64 *)&nic->drv_stats)
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[nicvf_drv_stats[stat].index];
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nicvf_get_qset_stats(nic, stats, &data);
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for (sqs = 0; sqs < nic->sqs_count; sqs++) {
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if (!nic->snicvf[sqs])
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continue;
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nicvf_get_qset_stats(nic->snicvf[sqs], stats, &data);
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}
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for (stat = 0; stat < BGX_RX_STATS_COUNT; stat++)
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*(data++) = nic->bgx_stats.rx_stats[stat];
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for (stat = 0; stat < BGX_TX_STATS_COUNT; stat++)
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*(data++) = nic->bgx_stats.tx_stats[stat];
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}
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static int nicvf_get_regs_len(struct net_device *dev)
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{
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return sizeof(u64) * NIC_VF_REG_COUNT;
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}
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static void nicvf_get_regs(struct net_device *dev,
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struct ethtool_regs *regs, void *reg)
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{
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struct nicvf *nic = netdev_priv(dev);
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u64 *p = (u64 *)reg;
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u64 reg_offset;
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int mbox, key, stat, q;
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int i = 0;
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regs->version = 0;
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memset(p, 0, NIC_VF_REG_COUNT);
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p[i++] = nicvf_reg_read(nic, NIC_VNIC_CFG);
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/* Mailbox registers */
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for (mbox = 0; mbox < NIC_PF_VF_MAILBOX_SIZE; mbox++)
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p[i++] = nicvf_reg_read(nic,
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NIC_VF_PF_MAILBOX_0_1 | (mbox << 3));
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p[i++] = nicvf_reg_read(nic, NIC_VF_INT);
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p[i++] = nicvf_reg_read(nic, NIC_VF_INT_W1S);
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p[i++] = nicvf_reg_read(nic, NIC_VF_ENA_W1C);
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p[i++] = nicvf_reg_read(nic, NIC_VF_ENA_W1S);
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p[i++] = nicvf_reg_read(nic, NIC_VNIC_RSS_CFG);
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for (key = 0; key < RSS_HASH_KEY_SIZE; key++)
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p[i++] = nicvf_reg_read(nic, NIC_VNIC_RSS_KEY_0_4 | (key << 3));
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/* Tx/Rx statistics */
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for (stat = 0; stat < TX_STATS_ENUM_LAST; stat++)
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p[i++] = nicvf_reg_read(nic,
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NIC_VNIC_TX_STAT_0_4 | (stat << 3));
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for (i = 0; i < RX_STATS_ENUM_LAST; i++)
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p[i++] = nicvf_reg_read(nic,
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NIC_VNIC_RX_STAT_0_13 | (stat << 3));
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p[i++] = nicvf_reg_read(nic, NIC_QSET_RQ_GEN_CFG);
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/* All completion queue's registers */
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for (q = 0; q < MAX_CMP_QUEUES_PER_QS; q++) {
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p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_CQ_0_7_CFG, q);
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p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_CQ_0_7_CFG2, q);
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p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_CQ_0_7_THRESH, q);
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p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_CQ_0_7_BASE, q);
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p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_CQ_0_7_HEAD, q);
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p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_CQ_0_7_TAIL, q);
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p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_CQ_0_7_DOOR, q);
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p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_CQ_0_7_STATUS, q);
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p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_CQ_0_7_STATUS2, q);
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p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_CQ_0_7_DEBUG, q);
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}
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/* All receive queue's registers */
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for (q = 0; q < MAX_RCV_QUEUES_PER_QS; q++) {
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p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_RQ_0_7_CFG, q);
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p[i++] = nicvf_queue_reg_read(nic,
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NIC_QSET_RQ_0_7_STAT_0_1, q);
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reg_offset = NIC_QSET_RQ_0_7_STAT_0_1 | (1 << 3);
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p[i++] = nicvf_queue_reg_read(nic, reg_offset, q);
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}
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for (q = 0; q < MAX_SND_QUEUES_PER_QS; q++) {
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p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_SQ_0_7_CFG, q);
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p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_SQ_0_7_THRESH, q);
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p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_SQ_0_7_BASE, q);
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p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_SQ_0_7_HEAD, q);
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p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_SQ_0_7_TAIL, q);
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p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_SQ_0_7_DOOR, q);
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p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_SQ_0_7_STATUS, q);
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p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_SQ_0_7_DEBUG, q);
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p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_SQ_0_7_CNM_CHG, q);
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p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_SQ_0_7_STAT_0_1, q);
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reg_offset = NIC_QSET_SQ_0_7_STAT_0_1 | (1 << 3);
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p[i++] = nicvf_queue_reg_read(nic, reg_offset, q);
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}
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for (q = 0; q < MAX_RCV_BUF_DESC_RINGS_PER_QS; q++) {
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p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_RBDR_0_1_CFG, q);
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p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_RBDR_0_1_THRESH, q);
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p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_RBDR_0_1_BASE, q);
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p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_RBDR_0_1_HEAD, q);
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p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_RBDR_0_1_TAIL, q);
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p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_RBDR_0_1_DOOR, q);
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p[i++] = nicvf_queue_reg_read(nic,
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NIC_QSET_RBDR_0_1_STATUS0, q);
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p[i++] = nicvf_queue_reg_read(nic,
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NIC_QSET_RBDR_0_1_STATUS1, q);
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reg_offset = NIC_QSET_RBDR_0_1_PREFETCH_STATUS;
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p[i++] = nicvf_queue_reg_read(nic, reg_offset, q);
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}
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}
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static int nicvf_get_coalesce(struct net_device *netdev,
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struct ethtool_coalesce *cmd)
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{
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struct nicvf *nic = netdev_priv(netdev);
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cmd->rx_coalesce_usecs = nic->cq_coalesce_usecs;
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return 0;
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}
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static void nicvf_get_ringparam(struct net_device *netdev,
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struct ethtool_ringparam *ring)
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{
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struct nicvf *nic = netdev_priv(netdev);
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struct queue_set *qs = nic->qs;
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ring->rx_max_pending = MAX_RCV_BUF_COUNT;
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ring->rx_pending = qs->rbdr_len;
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ring->tx_max_pending = MAX_SND_QUEUE_LEN;
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ring->tx_pending = qs->sq_len;
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}
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static int nicvf_get_rss_hash_opts(struct nicvf *nic,
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struct ethtool_rxnfc *info)
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{
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info->data = 0;
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switch (info->flow_type) {
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case TCP_V4_FLOW:
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case TCP_V6_FLOW:
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case UDP_V4_FLOW:
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case UDP_V6_FLOW:
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case SCTP_V4_FLOW:
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case SCTP_V6_FLOW:
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info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
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case IPV4_FLOW:
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case IPV6_FLOW:
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info->data |= RXH_IP_SRC | RXH_IP_DST;
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break;
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default:
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return -EINVAL;
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}
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return 0;
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}
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static int nicvf_get_rxnfc(struct net_device *dev,
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struct ethtool_rxnfc *info, u32 *rules)
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{
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struct nicvf *nic = netdev_priv(dev);
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int ret = -EOPNOTSUPP;
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switch (info->cmd) {
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case ETHTOOL_GRXRINGS:
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info->data = nic->rx_queues;
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ret = 0;
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break;
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case ETHTOOL_GRXFH:
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return nicvf_get_rss_hash_opts(nic, info);
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default:
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break;
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}
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return ret;
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}
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static int nicvf_set_rss_hash_opts(struct nicvf *nic,
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struct ethtool_rxnfc *info)
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{
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struct nicvf_rss_info *rss = &nic->rss_info;
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u64 rss_cfg = nicvf_reg_read(nic, NIC_VNIC_RSS_CFG);
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if (!rss->enable)
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netdev_err(nic->netdev,
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"RSS is disabled, hash cannot be set\n");
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netdev_info(nic->netdev, "Set RSS flow type = %d, data = %lld\n",
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info->flow_type, info->data);
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if (!(info->data & RXH_IP_SRC) || !(info->data & RXH_IP_DST))
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return -EINVAL;
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switch (info->flow_type) {
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case TCP_V4_FLOW:
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case TCP_V6_FLOW:
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switch (info->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
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case 0:
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rss_cfg &= ~(1ULL << RSS_HASH_TCP);
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break;
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case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
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rss_cfg |= (1ULL << RSS_HASH_TCP);
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break;
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default:
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return -EINVAL;
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}
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break;
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case UDP_V4_FLOW:
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case UDP_V6_FLOW:
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switch (info->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
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case 0:
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rss_cfg &= ~(1ULL << RSS_HASH_UDP);
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break;
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case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
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rss_cfg |= (1ULL << RSS_HASH_UDP);
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break;
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default:
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return -EINVAL;
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}
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break;
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case SCTP_V4_FLOW:
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case SCTP_V6_FLOW:
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switch (info->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
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case 0:
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rss_cfg &= ~(1ULL << RSS_HASH_L4ETC);
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break;
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case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
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rss_cfg |= (1ULL << RSS_HASH_L4ETC);
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break;
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default:
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return -EINVAL;
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}
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break;
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case IPV4_FLOW:
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case IPV6_FLOW:
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rss_cfg = RSS_HASH_IP;
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break;
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default:
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return -EINVAL;
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}
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nicvf_reg_write(nic, NIC_VNIC_RSS_CFG, rss_cfg);
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return 0;
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}
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static int nicvf_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info)
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{
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struct nicvf *nic = netdev_priv(dev);
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switch (info->cmd) {
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case ETHTOOL_SRXFH:
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return nicvf_set_rss_hash_opts(nic, info);
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default:
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break;
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}
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return -EOPNOTSUPP;
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}
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static u32 nicvf_get_rxfh_key_size(struct net_device *netdev)
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{
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return RSS_HASH_KEY_SIZE * sizeof(u64);
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}
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static u32 nicvf_get_rxfh_indir_size(struct net_device *dev)
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{
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struct nicvf *nic = netdev_priv(dev);
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return nic->rss_info.rss_size;
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}
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static int nicvf_get_rxfh(struct net_device *dev, u32 *indir, u8 *hkey,
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u8 *hfunc)
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{
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struct nicvf *nic = netdev_priv(dev);
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struct nicvf_rss_info *rss = &nic->rss_info;
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int idx;
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if (indir) {
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for (idx = 0; idx < rss->rss_size; idx++)
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indir[idx] = rss->ind_tbl[idx];
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}
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if (hkey)
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memcpy(hkey, rss->key, RSS_HASH_KEY_SIZE * sizeof(u64));
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if (hfunc)
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*hfunc = ETH_RSS_HASH_TOP;
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return 0;
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}
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static int nicvf_set_rxfh(struct net_device *dev, const u32 *indir,
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const u8 *hkey, u8 hfunc)
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{
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struct nicvf *nic = netdev_priv(dev);
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struct nicvf_rss_info *rss = &nic->rss_info;
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int idx;
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if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
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return -EOPNOTSUPP;
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if (!rss->enable) {
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netdev_err(nic->netdev,
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"RSS is disabled, cannot change settings\n");
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return -EIO;
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}
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if (indir) {
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for (idx = 0; idx < rss->rss_size; idx++)
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rss->ind_tbl[idx] = indir[idx];
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}
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if (hkey) {
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memcpy(rss->key, hkey, RSS_HASH_KEY_SIZE * sizeof(u64));
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nicvf_set_rss_key(nic);
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}
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nicvf_config_rss(nic);
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return 0;
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}
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/* Get no of queues device supports and current queue count */
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static void nicvf_get_channels(struct net_device *dev,
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struct ethtool_channels *channel)
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{
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struct nicvf *nic = netdev_priv(dev);
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memset(channel, 0, sizeof(*channel));
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channel->max_rx = nic->max_queues;
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channel->max_tx = nic->max_queues;
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channel->rx_count = nic->rx_queues;
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channel->tx_count = nic->tx_queues;
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}
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/* Set no of Tx, Rx queues to be used */
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static int nicvf_set_channels(struct net_device *dev,
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struct ethtool_channels *channel)
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{
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struct nicvf *nic = netdev_priv(dev);
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int err = 0;
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bool if_up = netif_running(dev);
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int cqcount;
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if (!channel->rx_count || !channel->tx_count)
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return -EINVAL;
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if (channel->rx_count > nic->max_queues)
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return -EINVAL;
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if (channel->tx_count > nic->max_queues)
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return -EINVAL;
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if (if_up)
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nicvf_stop(dev);
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cqcount = max(channel->rx_count, channel->tx_count);
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if (cqcount > MAX_CMP_QUEUES_PER_QS) {
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nic->sqs_count = roundup(cqcount, MAX_CMP_QUEUES_PER_QS);
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nic->sqs_count = (nic->sqs_count / MAX_CMP_QUEUES_PER_QS) - 1;
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} else {
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nic->sqs_count = 0;
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}
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nic->qs->rq_cnt = min_t(u32, channel->rx_count, MAX_RCV_QUEUES_PER_QS);
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nic->qs->sq_cnt = min_t(u32, channel->tx_count, MAX_SND_QUEUES_PER_QS);
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nic->qs->cq_cnt = max(nic->qs->rq_cnt, nic->qs->sq_cnt);
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nic->rx_queues = channel->rx_count;
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nic->tx_queues = channel->tx_count;
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err = nicvf_set_real_num_queues(dev, nic->tx_queues, nic->rx_queues);
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if (err)
|
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return err;
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|
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if (if_up)
|
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nicvf_open(dev);
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|
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netdev_info(dev, "Setting num Tx rings to %d, Rx rings to %d success\n",
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nic->tx_queues, nic->rx_queues);
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|
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return err;
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}
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static const struct ethtool_ops nicvf_ethtool_ops = {
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.get_settings = nicvf_get_settings,
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.get_link = nicvf_get_link,
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.get_drvinfo = nicvf_get_drvinfo,
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.get_msglevel = nicvf_get_msglevel,
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.set_msglevel = nicvf_set_msglevel,
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.get_strings = nicvf_get_strings,
|
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.get_sset_count = nicvf_get_sset_count,
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.get_ethtool_stats = nicvf_get_ethtool_stats,
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.get_regs_len = nicvf_get_regs_len,
|
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.get_regs = nicvf_get_regs,
|
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.get_coalesce = nicvf_get_coalesce,
|
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.get_ringparam = nicvf_get_ringparam,
|
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.get_rxnfc = nicvf_get_rxnfc,
|
|
.set_rxnfc = nicvf_set_rxnfc,
|
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.get_rxfh_key_size = nicvf_get_rxfh_key_size,
|
|
.get_rxfh_indir_size = nicvf_get_rxfh_indir_size,
|
|
.get_rxfh = nicvf_get_rxfh,
|
|
.set_rxfh = nicvf_set_rxfh,
|
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.get_channels = nicvf_get_channels,
|
|
.set_channels = nicvf_set_channels,
|
|
.get_ts_info = ethtool_op_get_ts_info,
|
|
};
|
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|
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void nicvf_set_ethtool_ops(struct net_device *netdev)
|
|
{
|
|
netdev->ethtool_ops = &nicvf_ethtool_ops;
|
|
}
|