diff options
Diffstat (limited to 'drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c')
| -rw-r--r-- | drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c | 262 |
1 files changed, 262 insertions, 0 deletions
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c b/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c new file mode 100644 index 000000000000..a761e91471df --- /dev/null +++ b/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c @@ -0,0 +1,262 @@ +/* + * aQuantia Corporation Network Driver + * Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + */ + +/* File aq_ethtool.c: Definition of ethertool related functions. */ + +#include "aq_ethtool.h" +#include "aq_nic.h" + +static void aq_ethtool_get_regs(struct net_device *ndev, + struct ethtool_regs *regs, void *p) +{ + struct aq_nic_s *aq_nic = netdev_priv(ndev); + u32 regs_count = aq_nic_get_regs_count(aq_nic); + + memset(p, 0, regs_count * sizeof(u32)); + aq_nic_get_regs(aq_nic, regs, p); +} + +static int aq_ethtool_get_regs_len(struct net_device *ndev) +{ + struct aq_nic_s *aq_nic = netdev_priv(ndev); + u32 regs_count = aq_nic_get_regs_count(aq_nic); + + return regs_count * sizeof(u32); +} + +static u32 aq_ethtool_get_link(struct net_device *ndev) +{ + return ethtool_op_get_link(ndev); +} + +static int aq_ethtool_get_link_ksettings(struct net_device *ndev, + struct ethtool_link_ksettings *cmd) +{ + struct aq_nic_s *aq_nic = netdev_priv(ndev); + + aq_nic_get_link_ksettings(aq_nic, cmd); + cmd->base.speed = netif_carrier_ok(ndev) ? + aq_nic_get_link_speed(aq_nic) : 0U; + + return 0; +} + +static int +aq_ethtool_set_link_ksettings(struct net_device *ndev, + const struct ethtool_link_ksettings *cmd) +{ + struct aq_nic_s *aq_nic = netdev_priv(ndev); + + return aq_nic_set_link_ksettings(aq_nic, cmd); +} + +/* there "5U" is number of queue[#] stats lines (InPackets+...+InErrors) */ +static const unsigned int aq_ethtool_stat_queue_lines = 5U; +static const unsigned int aq_ethtool_stat_queue_chars = + 5U * ETH_GSTRING_LEN; +static const char aq_ethtool_stat_names[][ETH_GSTRING_LEN] = { + "InPackets", + "InUCast", + "InMCast", + "InBCast", + "InErrors", + "OutPackets", + "OutUCast", + "OutMCast", + "OutBCast", + "InUCastOctects", + "OutUCastOctects", + "InMCastOctects", + "OutMCastOctects", + "InBCastOctects", + "OutBCastOctects", + "InOctects", + "OutOctects", + "InPacketsDma", + "OutPacketsDma", + "InOctetsDma", + "OutOctetsDma", + "InDroppedDma", + "Queue[0] InPackets", + "Queue[0] OutPackets", + "Queue[0] InJumboPackets", + "Queue[0] InLroPackets", + "Queue[0] InErrors", + "Queue[1] InPackets", + "Queue[1] OutPackets", + "Queue[1] InJumboPackets", + "Queue[1] InLroPackets", + "Queue[1] InErrors", + "Queue[2] InPackets", + "Queue[2] OutPackets", + "Queue[2] InJumboPackets", + "Queue[2] InLroPackets", + "Queue[2] InErrors", + "Queue[3] InPackets", + "Queue[3] OutPackets", + "Queue[3] InJumboPackets", + "Queue[3] InLroPackets", + "Queue[3] InErrors", + "Queue[4] InPackets", + "Queue[4] OutPackets", + "Queue[4] InJumboPackets", + "Queue[4] InLroPackets", + "Queue[4] InErrors", + "Queue[5] InPackets", + "Queue[5] OutPackets", + "Queue[5] InJumboPackets", + "Queue[5] InLroPackets", + "Queue[5] InErrors", + "Queue[6] InPackets", + "Queue[6] OutPackets", + "Queue[6] InJumboPackets", + "Queue[6] InLroPackets", + "Queue[6] InErrors", + "Queue[7] InPackets", + "Queue[7] OutPackets", + "Queue[7] InJumboPackets", + "Queue[7] InLroPackets", + "Queue[7] InErrors", +}; + +static void aq_ethtool_stats(struct net_device *ndev, + struct ethtool_stats *stats, u64 *data) +{ + struct aq_nic_s *aq_nic = netdev_priv(ndev); + +/* ASSERT: Need add lines to aq_ethtool_stat_names if AQ_CFG_VECS_MAX > 8 */ + BUILD_BUG_ON(AQ_CFG_VECS_MAX > 8); + memset(data, 0, ARRAY_SIZE(aq_ethtool_stat_names) * sizeof(u64)); + aq_nic_get_stats(aq_nic, data); +} + +static void aq_ethtool_get_drvinfo(struct net_device *ndev, + struct ethtool_drvinfo *drvinfo) +{ + struct aq_nic_s *aq_nic = netdev_priv(ndev); + struct aq_nic_cfg_s *cfg = aq_nic_get_cfg(aq_nic); + struct pci_dev *pdev = to_pci_dev(ndev->dev.parent); + u32 firmware_version = aq_nic_get_fw_version(aq_nic); + u32 regs_count = aq_nic_get_regs_count(aq_nic); + + strlcat(drvinfo->driver, AQ_CFG_DRV_NAME, sizeof(drvinfo->driver)); + strlcat(drvinfo->version, AQ_CFG_DRV_VERSION, sizeof(drvinfo->version)); + + snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), + "%u.%u.%u", firmware_version >> 24, + (firmware_version >> 16) & 0xFFU, firmware_version & 0xFFFFU); + + strlcpy(drvinfo->bus_info, pdev ? pci_name(pdev) : "", + sizeof(drvinfo->bus_info)); + drvinfo->n_stats = ARRAY_SIZE(aq_ethtool_stat_names) - + (AQ_CFG_VECS_MAX - cfg->vecs) * aq_ethtool_stat_queue_lines; + drvinfo->testinfo_len = 0; + drvinfo->regdump_len = regs_count; + drvinfo->eedump_len = 0; +} + +static void aq_ethtool_get_strings(struct net_device *ndev, + u32 stringset, u8 *data) +{ + struct aq_nic_s *aq_nic = netdev_priv(ndev); + struct aq_nic_cfg_s *cfg = aq_nic_get_cfg(aq_nic); + + if (stringset == ETH_SS_STATS) + memcpy(data, *aq_ethtool_stat_names, + sizeof(aq_ethtool_stat_names) - + (AQ_CFG_VECS_MAX - cfg->vecs) * + aq_ethtool_stat_queue_chars); +} + +static int aq_ethtool_get_sset_count(struct net_device *ndev, int stringset) +{ + int ret = 0; + struct aq_nic_s *aq_nic = netdev_priv(ndev); + struct aq_nic_cfg_s *cfg = aq_nic_get_cfg(aq_nic); + + switch (stringset) { + case ETH_SS_STATS: + ret = ARRAY_SIZE(aq_ethtool_stat_names) - + (AQ_CFG_VECS_MAX - cfg->vecs) * + aq_ethtool_stat_queue_lines; + break; + default: + ret = -EOPNOTSUPP; + } + return ret; +} + +static u32 aq_ethtool_get_rss_indir_size(struct net_device *ndev) +{ + return AQ_CFG_RSS_INDIRECTION_TABLE_MAX; +} + +static u32 aq_ethtool_get_rss_key_size(struct net_device *ndev) +{ + struct aq_nic_s *aq_nic = netdev_priv(ndev); + struct aq_nic_cfg_s *cfg = aq_nic_get_cfg(aq_nic); + + return sizeof(cfg->aq_rss.hash_secret_key); +} + +static int aq_ethtool_get_rss(struct net_device *ndev, u32 *indir, u8 *key, + u8 *hfunc) +{ + struct aq_nic_s *aq_nic = netdev_priv(ndev); + struct aq_nic_cfg_s *cfg = aq_nic_get_cfg(aq_nic); + unsigned int i = 0U; + + if (hfunc) + *hfunc = ETH_RSS_HASH_TOP; /* Toeplitz */ + if (indir) { + for (i = 0; i < AQ_CFG_RSS_INDIRECTION_TABLE_MAX; i++) + indir[i] = cfg->aq_rss.indirection_table[i]; + } + if (key) + memcpy(key, cfg->aq_rss.hash_secret_key, + sizeof(cfg->aq_rss.hash_secret_key)); + return 0; +} + +static int aq_ethtool_get_rxnfc(struct net_device *ndev, + struct ethtool_rxnfc *cmd, + u32 *rule_locs) +{ + struct aq_nic_s *aq_nic = netdev_priv(ndev); + struct aq_nic_cfg_s *cfg = aq_nic_get_cfg(aq_nic); + int err = 0; + + switch (cmd->cmd) { + case ETHTOOL_GRXRINGS: + cmd->data = cfg->vecs; + break; + + default: + err = -EOPNOTSUPP; + break; + } + + return err; +} + +const struct ethtool_ops aq_ethtool_ops = { + .get_link = aq_ethtool_get_link, + .get_regs_len = aq_ethtool_get_regs_len, + .get_regs = aq_ethtool_get_regs, + .get_drvinfo = aq_ethtool_get_drvinfo, + .get_strings = aq_ethtool_get_strings, + .get_rxfh_indir_size = aq_ethtool_get_rss_indir_size, + .get_rxfh_key_size = aq_ethtool_get_rss_key_size, + .get_rxfh = aq_ethtool_get_rss, + .get_rxnfc = aq_ethtool_get_rxnfc, + .get_sset_count = aq_ethtool_get_sset_count, + .get_ethtool_stats = aq_ethtool_stats, + .get_link_ksettings = aq_ethtool_get_link_ksettings, + .set_link_ksettings = aq_ethtool_set_link_ksettings, +}; |