From patchwork Tue Sep 12 09:18:27 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Justin Lai X-Patchwork-Id: 13381158 X-Patchwork-Delegate: kuba@kernel.org Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 089B01803E for ; Tue, 12 Sep 2023 09:19:15 +0000 (UTC) Received: from rtits2.realtek.com.tw (rtits2.realtek.com [211.75.126.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 1C05AE79; Tue, 12 Sep 2023 02:19:13 -0700 (PDT) X-SpamFilter-By: ArmorX SpamTrap 5.78 with qID 38C9ImME22457773, This message is accepted by code: ctloc85258 Received: from mail.realtek.com (rtexh36505.realtek.com.tw[172.21.6.25]) by rtits2.realtek.com.tw (8.15.2/2.92/5.92) with ESMTPS id 38C9ImME22457773 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 12 Sep 2023 17:18:48 +0800 Received: from RTEXMBS04.realtek.com.tw (172.21.6.97) by RTEXH36505.realtek.com.tw (172.21.6.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.32; Tue, 12 Sep 2023 17:18:48 +0800 Received: from RTDOMAIN (172.21.210.160) by RTEXMBS04.realtek.com.tw (172.21.6.97) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.7; Tue, 12 Sep 2023 17:18:48 +0800 From: Justin Lai To: CC: , , , , , , Justin Lai Subject: [PATCH net-next v7 10/13] net:ethernet:realtek:rtase: Implement ethtool function Date: Tue, 12 Sep 2023 17:18:27 +0800 Message-ID: <20230912091830.338164-11-justinlai0215@realtek.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230912091830.338164-1-justinlai0215@realtek.com> References: <20230912091830.338164-1-justinlai0215@realtek.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Originating-IP: [172.21.210.160] X-ClientProxiedBy: RTEXH36505.realtek.com.tw (172.21.6.25) To RTEXMBS04.realtek.com.tw (172.21.6.97) X-KSE-ServerInfo: RTEXMBS04.realtek.com.tw, 9 X-KSE-AntiSpam-Interceptor-Info: fallback X-KSE-Antivirus-Interceptor-Info: fallback X-KSE-AntiSpam-Interceptor-Info: fallback X-KSE-ServerInfo: RTEXH36505.realtek.com.tw, 9 X-KSE-AntiSpam-Interceptor-Info: fallback X-KSE-Antivirus-Interceptor-Info: fallback X-KSE-AntiSpam-Interceptor-Info: fallback X-Patchwork-Delegate: kuba@kernel.org Implement the ethtool function to support users to obtain network card information, including obtaining various device settings, Report whether physical link is up, Report pause parameters, Set pause parameters, Return a set of strings that describe the requested objects, Get number of strings that @get_strings will write, Return extended statistics about the device. Signed-off-by: Justin Lai --- .../net/ethernet/realtek/rtase/rtase_main.c | 146 ++++++++++++++++++ 1 file changed, 146 insertions(+) diff --git a/drivers/net/ethernet/realtek/rtase/rtase_main.c b/drivers/net/ethernet/realtek/rtase/rtase_main.c index 83f64e283891..ba626c53ccf8 100644 --- a/drivers/net/ethernet/realtek/rtase/rtase_main.c +++ b/drivers/net/ethernet/realtek/rtase/rtase_main.c @@ -1851,9 +1851,155 @@ static void rtase_get_mac_address(struct net_device *dev) ether_addr_copy(dev->perm_addr, dev->dev_addr); } +static void rtase_get_drvinfo(struct net_device *dev, + struct ethtool_drvinfo *drvinfo) +{ + const struct rtase_private *tp = netdev_priv(dev); + + strscpy(drvinfo->driver, KBUILD_MODNAME, 32); + strscpy(drvinfo->bus_info, pci_name(tp->pdev), 32); +} + +static int rtase_get_settings(struct net_device *dev, + struct ethtool_link_ksettings *cmd) +{ + u32 supported = SUPPORTED_MII | SUPPORTED_Pause; + + ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported, + supported); + cmd->base.speed = SPEED_5000; + cmd->base.duplex = DUPLEX_FULL; + cmd->base.port = PORT_MII; + cmd->base.autoneg = AUTONEG_DISABLE; + + return 0; +} + +static void rtase_get_pauseparam(struct net_device *dev, + struct ethtool_pauseparam *pause) +{ + const struct rtase_private *tp = netdev_priv(dev); + u16 value = rtase_r16(tp, RTASE_CPLUS_CMD); + + pause->autoneg = AUTONEG_DISABLE; + + if ((value & (FORCE_TXFLOW_EN | FORCE_RXFLOW_EN)) == + (FORCE_TXFLOW_EN | FORCE_RXFLOW_EN)) { + pause->rx_pause = 1; + pause->tx_pause = 1; + } else if ((value & FORCE_TXFLOW_EN)) { + pause->tx_pause = 1; + } else if ((value & FORCE_RXFLOW_EN)) { + pause->rx_pause = 1; + } +} + +static int rtase_set_pauseparam(struct net_device *dev, + struct ethtool_pauseparam *pause) +{ + const struct rtase_private *tp = netdev_priv(dev); + u16 value = rtase_r16(tp, RTASE_CPLUS_CMD); + + if (pause->autoneg) + return -EOPNOTSUPP; + + value &= ~(FORCE_TXFLOW_EN | FORCE_RXFLOW_EN); + + if (pause->tx_pause) + value |= FORCE_TXFLOW_EN; + + if (pause->rx_pause) + value |= FORCE_RXFLOW_EN; + + rtase_w16(tp, RTASE_CPLUS_CMD, value); + return 0; +} + +static const char rtase_gstrings[][ETH_GSTRING_LEN] = { + "tx_packets", + "rx_packets", + "tx_errors", + "rx_errors", + "rx_missed", + "align_errors", + "tx_single_collisions", + "tx_multi_collisions", + "unicast", + "broadcast", + "multicast", + "tx_aborted", + "tx_underrun", +}; + +static void rtase_get_strings(struct net_device *dev, u32 stringset, u8 *data) +{ + switch (stringset) { + case ETH_SS_STATS: + memcpy(data, *rtase_gstrings, sizeof(rtase_gstrings)); + break; + } +} + +static int rtase_get_sset_count(struct net_device *dev, int sset) +{ + int ret = -EOPNOTSUPP; + + switch (sset) { + case ETH_SS_STATS: + ret = ARRAY_SIZE(rtase_gstrings); + break; + } + + return ret; +} + +static void rtase_get_ethtool_stats(struct net_device *dev, + struct ethtool_stats *stats, u64 *data) +{ + struct rtase_private *tp = netdev_priv(dev); + const struct rtase_counters *counters; + dma_addr_t paddr; + + ASSERT_RTNL(); + + counters = tp->tally_vaddr; + if (!counters) + return; + paddr = tp->tally_paddr; + + rtase_dump_tally_counter(tp, paddr); + + data[0] = le64_to_cpu(counters->tx_packets); + data[1] = le64_to_cpu(counters->rx_packets); + data[2] = le64_to_cpu(counters->tx_errors); + data[3] = le32_to_cpu(counters->rx_errors); + data[4] = le16_to_cpu(counters->rx_missed); + data[5] = le16_to_cpu(counters->align_errors); + data[6] = le32_to_cpu(counters->tx_one_collision); + data[7] = le32_to_cpu(counters->tx_multi_collision); + data[8] = le64_to_cpu(counters->rx_unicast); + data[9] = le64_to_cpu(counters->rx_broadcast); + data[10] = le32_to_cpu(counters->rx_multicast); + data[11] = le16_to_cpu(counters->tx_aborted); + data[12] = le16_to_cpu(counters->tx_underun); +} + +static const struct ethtool_ops rtase_ethtool_ops = { + .get_drvinfo = rtase_get_drvinfo, + .get_link = ethtool_op_get_link, + .get_link_ksettings = rtase_get_settings, + .get_pauseparam = rtase_get_pauseparam, + .set_pauseparam = rtase_set_pauseparam, + .get_strings = rtase_get_strings, + .get_sset_count = rtase_get_sset_count, + .get_ethtool_stats = rtase_get_ethtool_stats, + .get_ts_info = ethtool_op_get_ts_info, +}; + static void rtase_init_netdev_ops(struct net_device *dev) { dev->netdev_ops = &rtase_netdev_ops; + dev->ethtool_ops = &rtase_ethtool_ops; } static void rtase_reset_interrupt(struct pci_dev *pdev,