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net: ethernet: aquantia: Ethtool support
Add the driver interfaces required for support by the ethtool utility. Signed-off-by: Alexander Loktionov <Alexander.Loktionov@aquantia.com> Signed-off-by: Dmitrii Tarakanov <Dmitrii.Tarakanov@aquantia.com> Signed-off-by: Pavel Belous <Pavel.Belous@aquantia.com> Signed-off-by: Dmitry Bezrukov <Dmitry.Bezrukov@aquantia.com> Signed-off-by: David M. VomLehn <vomlehn@texas.net> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David VomLehn
David S. Miller
parent
753f4783be
commit
c5760d03d4
261
drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c
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261
drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c
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@ -0,0 +1,261 @@
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/*
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* aQuantia Corporation Network Driver
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* Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
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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 and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*/
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/* File aq_ethtool.c: Definition of ethertool related functions. */
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#include "aq_ethtool.h"
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#include "aq_nic.h"
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static void aq_ethtool_get_regs(struct net_device *ndev,
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struct ethtool_regs *regs, void *p)
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{
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struct aq_nic_s *aq_nic = netdev_priv(ndev);
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u32 regs_count = aq_nic_get_regs_count(aq_nic);
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memset(p, 0, regs_count * sizeof(u32));
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aq_nic_get_regs(aq_nic, regs, p);
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}
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static int aq_ethtool_get_regs_len(struct net_device *ndev)
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{
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struct aq_nic_s *aq_nic = netdev_priv(ndev);
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u32 regs_count = aq_nic_get_regs_count(aq_nic);
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return regs_count * sizeof(u32);
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}
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static u32 aq_ethtool_get_link(struct net_device *ndev)
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{
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return ethtool_op_get_link(ndev);
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}
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static int aq_ethtool_get_settings(struct net_device *ndev,
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struct ethtool_cmd *cmd)
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{
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struct aq_nic_s *aq_nic = netdev_priv(ndev);
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aq_nic_get_link_settings(aq_nic, cmd);
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ethtool_cmd_speed_set(cmd, netif_carrier_ok(ndev) ?
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aq_nic_get_link_speed(aq_nic) : 0U);
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return 0;
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}
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static int aq_ethtool_set_settings(struct net_device *ndev,
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struct ethtool_cmd *cmd)
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{
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struct aq_nic_s *aq_nic = netdev_priv(ndev);
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return aq_nic_set_link_settings(aq_nic, cmd);
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}
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/* there "5U" is number of queue[#] stats lines (InPackets+...+InErrors) */
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static const unsigned int aq_ethtool_stat_queue_lines = 5U;
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static const unsigned int aq_ethtool_stat_queue_chars =
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5U * ETH_GSTRING_LEN;
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static const char aq_ethtool_stat_names[][ETH_GSTRING_LEN] = {
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"InPackets",
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"InUCast",
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"InMCast",
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"InBCast",
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"InErrors",
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"OutPackets",
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"OutUCast",
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"OutMCast",
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"OutBCast",
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"InUCastOctects",
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"OutUCastOctects",
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"InMCastOctects",
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"OutMCastOctects",
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"InBCastOctects",
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"OutBCastOctects",
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"InOctects",
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"OutOctects",
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"InPacketsDma",
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"OutPacketsDma",
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"InOctetsDma",
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"OutOctetsDma",
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"InDroppedDma",
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"Queue[0] InPackets",
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"Queue[0] OutPackets",
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"Queue[0] InJumboPackets",
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"Queue[0] InLroPackets",
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"Queue[0] InErrors",
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"Queue[1] InPackets",
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"Queue[1] OutPackets",
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"Queue[1] InJumboPackets",
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"Queue[1] InLroPackets",
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"Queue[1] InErrors",
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"Queue[2] InPackets",
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"Queue[2] OutPackets",
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"Queue[2] InJumboPackets",
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"Queue[2] InLroPackets",
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"Queue[2] InErrors",
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"Queue[3] InPackets",
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"Queue[3] OutPackets",
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"Queue[3] InJumboPackets",
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"Queue[3] InLroPackets",
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"Queue[3] InErrors",
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"Queue[4] InPackets",
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"Queue[4] OutPackets",
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"Queue[4] InJumboPackets",
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"Queue[4] InLroPackets",
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"Queue[4] InErrors",
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"Queue[5] InPackets",
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"Queue[5] OutPackets",
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"Queue[5] InJumboPackets",
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"Queue[5] InLroPackets",
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"Queue[5] InErrors",
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"Queue[6] InPackets",
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"Queue[6] OutPackets",
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"Queue[6] InJumboPackets",
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"Queue[6] InLroPackets",
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"Queue[6] InErrors",
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"Queue[7] InPackets",
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"Queue[7] OutPackets",
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"Queue[7] InJumboPackets",
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"Queue[7] InLroPackets",
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"Queue[7] InErrors",
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};
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static void aq_ethtool_stats(struct net_device *ndev,
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struct ethtool_stats *stats, u64 *data)
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{
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struct aq_nic_s *aq_nic = netdev_priv(ndev);
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/* ASSERT: Need add lines to aq_ethtool_stat_names if AQ_CFG_VECS_MAX > 8 */
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BUILD_BUG_ON(AQ_CFG_VECS_MAX > 8);
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memset(data, 0, ARRAY_SIZE(aq_ethtool_stat_names) * sizeof(u64));
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aq_nic_get_stats(aq_nic, data);
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}
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static void aq_ethtool_get_drvinfo(struct net_device *ndev,
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struct ethtool_drvinfo *drvinfo)
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{
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struct aq_nic_s *aq_nic = netdev_priv(ndev);
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struct aq_nic_cfg_s *cfg = aq_nic_get_cfg(aq_nic);
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struct pci_dev *pdev = to_pci_dev(ndev->dev.parent);
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u32 firmware_version = aq_nic_get_fw_version(aq_nic);
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u32 regs_count = aq_nic_get_regs_count(aq_nic);
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strlcat(drvinfo->driver, AQ_CFG_DRV_NAME, sizeof(drvinfo->driver));
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strlcat(drvinfo->version, AQ_CFG_DRV_VERSION, sizeof(drvinfo->version));
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snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
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"%u.%u.%u", firmware_version >> 24,
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(firmware_version >> 16) & 0xFFU, firmware_version & 0xFFFFU);
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strlcpy(drvinfo->bus_info, pdev ? pci_name(pdev) : "",
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sizeof(drvinfo->bus_info));
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drvinfo->n_stats = ARRAY_SIZE(aq_ethtool_stat_names) -
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(AQ_CFG_VECS_MAX - cfg->vecs) * aq_ethtool_stat_queue_lines;
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drvinfo->testinfo_len = 0;
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drvinfo->regdump_len = regs_count;
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drvinfo->eedump_len = 0;
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}
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static void aq_ethtool_get_strings(struct net_device *ndev,
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u32 stringset, u8 *data)
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{
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struct aq_nic_s *aq_nic = netdev_priv(ndev);
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struct aq_nic_cfg_s *cfg = aq_nic_get_cfg(aq_nic);
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if (stringset == ETH_SS_STATS)
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memcpy(data, *aq_ethtool_stat_names,
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sizeof(aq_ethtool_stat_names) -
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(AQ_CFG_VECS_MAX - cfg->vecs) *
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aq_ethtool_stat_queue_chars);
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}
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static int aq_ethtool_get_sset_count(struct net_device *ndev, int stringset)
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{
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int ret = 0;
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struct aq_nic_s *aq_nic = netdev_priv(ndev);
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struct aq_nic_cfg_s *cfg = aq_nic_get_cfg(aq_nic);
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switch (stringset) {
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case ETH_SS_STATS:
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ret = ARRAY_SIZE(aq_ethtool_stat_names) -
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(AQ_CFG_VECS_MAX - cfg->vecs) *
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aq_ethtool_stat_queue_lines;
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break;
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default:
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ret = -EOPNOTSUPP;
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}
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return ret;
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}
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static u32 aq_ethtool_get_rss_indir_size(struct net_device *ndev)
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{
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return AQ_CFG_RSS_INDIRECTION_TABLE_MAX;
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}
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static u32 aq_ethtool_get_rss_key_size(struct net_device *ndev)
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{
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struct aq_nic_s *aq_nic = netdev_priv(ndev);
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struct aq_nic_cfg_s *cfg = aq_nic_get_cfg(aq_nic);
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return sizeof(cfg->aq_rss.hash_secret_key);
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}
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static int aq_ethtool_get_rss(struct net_device *ndev, u32 *indir, u8 *key,
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u8 *hfunc)
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{
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struct aq_nic_s *aq_nic = netdev_priv(ndev);
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struct aq_nic_cfg_s *cfg = aq_nic_get_cfg(aq_nic);
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unsigned int i = 0U;
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if (hfunc)
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*hfunc = ETH_RSS_HASH_TOP; /* Toeplitz */
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if (indir) {
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for (i = 0; i < AQ_CFG_RSS_INDIRECTION_TABLE_MAX; i++)
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indir[i] = cfg->aq_rss.indirection_table[i];
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}
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if (key)
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memcpy(key, cfg->aq_rss.hash_secret_key,
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sizeof(cfg->aq_rss.hash_secret_key));
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return 0;
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}
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static int aq_ethtool_get_rxnfc(struct net_device *ndev,
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struct ethtool_rxnfc *cmd,
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u32 *rule_locs)
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{
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struct aq_nic_s *aq_nic = netdev_priv(ndev);
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struct aq_nic_cfg_s *cfg = aq_nic_get_cfg(aq_nic);
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int err = 0;
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switch (cmd->cmd) {
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case ETHTOOL_GRXRINGS:
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cmd->data = cfg->vecs;
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break;
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default:
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err = -EOPNOTSUPP;
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break;
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}
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return err;
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}
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const struct ethtool_ops aq_ethtool_ops = {
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.get_link = aq_ethtool_get_link,
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.get_regs_len = aq_ethtool_get_regs_len,
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.get_regs = aq_ethtool_get_regs,
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.get_settings = aq_ethtool_get_settings,
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.set_settings = aq_ethtool_set_settings,
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.get_drvinfo = aq_ethtool_get_drvinfo,
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.get_strings = aq_ethtool_get_strings,
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.get_rxfh_indir_size = aq_ethtool_get_rss_indir_size,
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.get_rxfh_key_size = aq_ethtool_get_rss_key_size,
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.get_rxfh = aq_ethtool_get_rss,
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.get_rxnfc = aq_ethtool_get_rxnfc,
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.get_sset_count = aq_ethtool_get_sset_count,
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.get_ethtool_stats = aq_ethtool_stats
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};
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19
drivers/net/ethernet/aquantia/atlantic/aq_ethtool.h
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19
drivers/net/ethernet/aquantia/atlantic/aq_ethtool.h
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@ -0,0 +1,19 @@
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/*
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* aQuantia Corporation Network Driver
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* Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
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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 and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*/
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/* File aq_ethtool.h: Declaration of ethertool related functions. */
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#ifndef AQ_ETHTOOL_H
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#define AQ_ETHTOOL_H
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#include "aq_common.h"
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extern const struct ethtool_ops aq_ethtool_ops;
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#endif /* AQ_ETHTOOL_H */
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