From patchwork Tue May 17 09:43:25 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arun Ramadoss X-Patchwork-Id: 12852197 X-Patchwork-Delegate: kuba@kernel.org Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 60ED4C433F5 for ; Tue, 17 May 2022 09:44:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245199AbiEQJox (ORCPT ); Tue, 17 May 2022 05:44:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42174 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S245143AbiEQJof (ORCPT ); Tue, 17 May 2022 05:44:35 -0400 Received: from esa.microchip.iphmx.com (esa.microchip.iphmx.com [68.232.153.233]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1B75C47ACF; Tue, 17 May 2022 02:44:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1652780650; x=1684316650; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=MY73mTxaNzmfINOX3HHpRcVnHeDiQGinOqwrS6cKUFM=; b=qQXstknZEc4ib8wVv7QQedC5lCsf7bH8brgk8nNLVDYC+1C2ERZgKi9k RcMfFzUoGuast4Ce+AvsCMrqAaxPQHGMNZO5jkmBZbdE+4RwwNIvegPbh VmMaOfvB7jg+4SwxoIiPPmVIuXteBkPQcUjuYeChDgdLVeZ3NrSeFvDUN 3xKU66s4sqOL7pIkLe4LNozRlobEJ5B1EoHmEiAV9qxq4F2g0SnoMMhQt iNREF6Ozyui4OzeaHluQhumuGzCYDWJH6sTACPyoNYLOpNTmeoJ1XTgsa vMOzxNRlsY3DYnWNlfwshDialFVjGNv0TWG5+zmUxh4TgQKlXqfV5Drv/ g==; X-IronPort-AV: E=Sophos;i="5.91,232,1647327600"; d="scan'208";a="173714678" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa1.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 17 May 2022 02:44:08 -0700 Received: from chn-vm-ex03.mchp-main.com (10.10.85.151) by chn-vm-ex02.mchp-main.com (10.10.85.144) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.17; Tue, 17 May 2022 02:44:08 -0700 Received: from CHE-LT-I17769U.microchip.com (10.10.115.15) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server id 15.1.2375.17 via Frontend Transport; Tue, 17 May 2022 02:44:02 -0700 From: Arun Ramadoss To: , CC: Russell King , Woojung Huh , , Andrew Lunn , Vivien Didelot , Florian Fainelli , Vladimir Oltean , "David S. Miller" , Jakub Kicinski , Paolo Abeni , Oleksij Rempel , Marek Vasut , Michael Grzeschik , Eric Dumazet Subject: [Patch net-next 1/9] net: dsa: microchip: ksz8795: update the port_cnt value in ksz_chip_data Date: Tue, 17 May 2022 15:13:25 +0530 Message-ID: <20220517094333.27225-2-arun.ramadoss@microchip.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20220517094333.27225-1-arun.ramadoss@microchip.com> References: <20220517094333.27225-1-arun.ramadoss@microchip.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org The port_cnt value in the structure is not used in the switch_init. Instead it uses the fls(chip->cpu_port), this is due to one of port in the ksz8794 unavailable. The cpu_port for the 8794 is 0x10, fls(0x10) = 5, hence updating it directly in the ksz_chip_data structure in order to same with all the other switches in ksz8795.c and ksz9477.c files. Signed-off-by: Arun Ramadoss Reviewed-by: Florian Fainelli Reviewed-by: Vladimir Oltean --- drivers/net/dsa/microchip/ksz8795.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/net/dsa/microchip/ksz8795.c b/drivers/net/dsa/microchip/ksz8795.c index f91deea9368e..83bcabf2dc54 100644 --- a/drivers/net/dsa/microchip/ksz8795.c +++ b/drivers/net/dsa/microchip/ksz8795.c @@ -1607,6 +1607,7 @@ static const struct ksz_chip_data ksz8_switch_chips[] = { * KSZ8794 0,1,2 4 * KSZ8795 0,1,2,3 4 * KSZ8765 0,1,2,3 4 + * port_cnt is configured as 5, even though it is 4 */ .chip_id = 0x8794, .dev_name = "KSZ8794", @@ -1614,7 +1615,7 @@ static const struct ksz_chip_data ksz8_switch_chips[] = { .num_alus = 0, .num_statics = 8, .cpu_ports = 0x10, /* can be configured as cpu port */ - .port_cnt = 4, /* total cpu and user ports */ + .port_cnt = 5, /* total cpu and user ports */ .ksz87xx_eee_link_erratum = true, }, { @@ -1653,7 +1654,7 @@ static int ksz8_switch_init(struct ksz_device *dev) dev->num_vlans = chip->num_vlans; dev->num_alus = chip->num_alus; dev->num_statics = chip->num_statics; - dev->port_cnt = fls(chip->cpu_ports); + dev->port_cnt = chip->port_cnt; dev->cpu_port = fls(chip->cpu_ports) - 1; dev->phy_port_cnt = dev->port_cnt - 1; dev->cpu_ports = chip->cpu_ports; From patchwork Tue May 17 09:43:26 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arun Ramadoss X-Patchwork-Id: 12852198 X-Patchwork-Delegate: kuba@kernel.org Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7EAADC433EF for ; Tue, 17 May 2022 09:44:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230244AbiEQJoz (ORCPT ); Tue, 17 May 2022 05:44:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42340 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S245389AbiEQJoh (ORCPT ); Tue, 17 May 2022 05:44:37 -0400 Received: from esa.microchip.iphmx.com (esa.microchip.iphmx.com [68.232.154.123]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4EBBF47AF4; Tue, 17 May 2022 02:44:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1652780659; x=1684316659; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=i3pmVYxuFCqM//0FM7vpsxNQ+bOyMyIYHgjWJkMbI/c=; b=GcMEhNzKxJ7LgdaXIfVyBr04BRXeJPjFMHoMYWa/E6isLcE+BiQAH3aO jHd/gqriY3qAhX2O9LRmc4mT2FezhrHDTHdBZ02AB44fAZZCpu68nuWtk TdLan30mKbzLL03LOkuLbf61b69mRTY+oANml8wWwWZ41zuLMgs7OKF8J ooCbLf8HSVQ+4dB8z5Zkr50Ok4qVHQH9MzoXBOmZJjD0K7+XvU6NUOcpV AAe+8oSV8GDs/J9XV1AIT/cTp5AYpaRJQRtDm6lsKUIk8rDwZ46UHIjDu owglceJLrOSyKDcttg8yAIGlOEIjSmKw6tHVif7UPKrPlWpv0mAY6zghL A==; X-IronPort-AV: E=Sophos;i="5.91,232,1647327600"; d="scan'208";a="159383578" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa2.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 17 May 2022 02:44:17 -0700 Received: from chn-vm-ex03.mchp-main.com (10.10.85.151) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.17; Tue, 17 May 2022 02:44:16 -0700 Received: from CHE-LT-I17769U.microchip.com (10.10.115.15) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server id 15.1.2375.17 via Frontend Transport; Tue, 17 May 2022 02:44:10 -0700 From: Arun Ramadoss To: , CC: Russell King , Woojung Huh , , Andrew Lunn , Vivien Didelot , Florian Fainelli , Vladimir Oltean , "David S. Miller" , Jakub Kicinski , Paolo Abeni , Oleksij Rempel , Marek Vasut , Michael Grzeschik , Eric Dumazet Subject: [Patch net-next 2/9] net: dsa: microchip: move ksz_chip_data to ksz_common Date: Tue, 17 May 2022 15:13:26 +0530 Message-ID: <20220517094333.27225-3-arun.ramadoss@microchip.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20220517094333.27225-1-arun.ramadoss@microchip.com> References: <20220517094333.27225-1-arun.ramadoss@microchip.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org This patch moves the ksz_chip_data in ksz8795 and ksz9477 to ksz_common. At present, the dev->chip_id is iterated with the ksz_chip_data and then copy its value to the ksz_dev structure. These values are declared as constant. Instead of copying the values and referencing it, this patch update the dev->info to the ksz_chip_data based on the chip_id in the init function. And also update the ksz_chip_data values for the LAN937x based switches. Signed-off-by: Arun Ramadoss Reviewed-by: Florian Fainelli Reviewed-by: Vladimir Oltean --- drivers/net/dsa/microchip/ksz8795.c | 114 ++------------- drivers/net/dsa/microchip/ksz9477.c | 108 +++----------- drivers/net/dsa/microchip/ksz_common.c | 190 +++++++++++++++++++++++-- drivers/net/dsa/microchip/ksz_common.h | 53 ++++++- 4 files changed, 259 insertions(+), 206 deletions(-) diff --git a/drivers/net/dsa/microchip/ksz8795.c b/drivers/net/dsa/microchip/ksz8795.c index 83bcabf2dc54..b6032b65afc2 100644 --- a/drivers/net/dsa/microchip/ksz8795.c +++ b/drivers/net/dsa/microchip/ksz8795.c @@ -1036,13 +1036,13 @@ static void ksz8_flush_dyn_mac_table(struct ksz_device *dev, int port) int first, index, cnt; struct ksz_port *p; - if ((uint)port < dev->port_cnt) { + if ((uint)port < dev->info->port_cnt) { first = port; cnt = port + 1; } else { /* Flush all ports. */ first = 0; - cnt = dev->port_cnt; + cnt = dev->info->port_cnt; } for (index = first; index < cnt; index++) { p = &dev->ports[index]; @@ -1118,7 +1118,7 @@ static int ksz8_port_vlan_add(struct dsa_switch *ds, int port, * Remove Tag flag to be changed, unless there are no * other VLANs currently configured. */ - for (vid = 1; vid < dev->num_vlans; ++vid) { + for (vid = 1; vid < dev->info->num_vlans; ++vid) { /* Skip the VID we are going to add or reconfigure */ if (vid == vlan->vid) continue; @@ -1389,7 +1389,7 @@ static int ksz8_handle_global_errata(struct dsa_switch *ds) * KSZ879x/KSZ877x/KSZ876x and some EEE link partners may result in * the link dropping. */ - if (dev->ksz87xx_eee_link_erratum) + if (dev->info->ksz87xx_eee_link_erratum) ret = ksz8_ind_write8(dev, TABLE_EEE, REG_IND_EEE_GLOB2_HI, 0); return ret; @@ -1402,7 +1402,7 @@ static int ksz8_setup(struct dsa_switch *ds) int i, ret = 0; dev->vlan_cache = devm_kcalloc(dev->dev, sizeof(struct vlan_table), - dev->num_vlans, GFP_KERNEL); + dev->info->num_vlans, GFP_KERNEL); if (!dev->vlan_cache) return -ENOMEM; @@ -1446,7 +1446,7 @@ static int ksz8_setup(struct dsa_switch *ds) (BROADCAST_STORM_VALUE * BROADCAST_STORM_PROT_RATE) / 100); - for (i = 0; i < (dev->num_vlans / 4); i++) + for (i = 0; i < (dev->info->num_vlans / 4); i++) ksz8_r_vlan_entries(dev, i); /* Setup STP address for STP operation. */ @@ -1571,74 +1571,6 @@ static int ksz8_switch_detect(struct ksz_device *dev) return 0; } -struct ksz_chip_data { - u16 chip_id; - const char *dev_name; - int num_vlans; - int num_alus; - int num_statics; - int cpu_ports; - int port_cnt; - bool ksz87xx_eee_link_erratum; -}; - -static const struct ksz_chip_data ksz8_switch_chips[] = { - { - .chip_id = 0x8795, - .dev_name = "KSZ8795", - .num_vlans = 4096, - .num_alus = 0, - .num_statics = 8, - .cpu_ports = 0x10, /* can be configured as cpu port */ - .port_cnt = 5, /* total cpu and user ports */ - .ksz87xx_eee_link_erratum = true, - }, - { - /* - * WARNING - * ======= - * KSZ8794 is similar to KSZ8795, except the port map - * contains a gap between external and CPU ports, the - * port map is NOT continuous. The per-port register - * map is shifted accordingly too, i.e. registers at - * offset 0x40 are NOT used on KSZ8794 and they ARE - * used on KSZ8795 for external port 3. - * external cpu - * KSZ8794 0,1,2 4 - * KSZ8795 0,1,2,3 4 - * KSZ8765 0,1,2,3 4 - * port_cnt is configured as 5, even though it is 4 - */ - .chip_id = 0x8794, - .dev_name = "KSZ8794", - .num_vlans = 4096, - .num_alus = 0, - .num_statics = 8, - .cpu_ports = 0x10, /* can be configured as cpu port */ - .port_cnt = 5, /* total cpu and user ports */ - .ksz87xx_eee_link_erratum = true, - }, - { - .chip_id = 0x8765, - .dev_name = "KSZ8765", - .num_vlans = 4096, - .num_alus = 0, - .num_statics = 8, - .cpu_ports = 0x10, /* can be configured as cpu port */ - .port_cnt = 5, /* total cpu and user ports */ - .ksz87xx_eee_link_erratum = true, - }, - { - .chip_id = 0x8830, - .dev_name = "KSZ8863/KSZ8873", - .num_vlans = 16, - .num_alus = 0, - .num_statics = 8, - .cpu_ports = 0x4, /* can be configured as cpu port */ - .port_cnt = 3, - }, -}; - static int ksz8_switch_init(struct ksz_device *dev) { struct ksz8 *ksz8 = dev->priv; @@ -1646,30 +1578,10 @@ static int ksz8_switch_init(struct ksz_device *dev) dev->ds->ops = &ksz8_switch_ops; - for (i = 0; i < ARRAY_SIZE(ksz8_switch_chips); i++) { - const struct ksz_chip_data *chip = &ksz8_switch_chips[i]; - - if (dev->chip_id == chip->chip_id) { - dev->name = chip->dev_name; - dev->num_vlans = chip->num_vlans; - dev->num_alus = chip->num_alus; - dev->num_statics = chip->num_statics; - dev->port_cnt = chip->port_cnt; - dev->cpu_port = fls(chip->cpu_ports) - 1; - dev->phy_port_cnt = dev->port_cnt - 1; - dev->cpu_ports = chip->cpu_ports; - dev->host_mask = chip->cpu_ports; - dev->port_mask = (BIT(dev->phy_port_cnt) - 1) | - chip->cpu_ports; - dev->ksz87xx_eee_link_erratum = - chip->ksz87xx_eee_link_erratum; - break; - } - } - - /* no switch found */ - if (!dev->cpu_ports) - return -ENODEV; + dev->cpu_port = fls(dev->info->cpu_ports) - 1; + dev->host_mask = dev->info->cpu_ports; + dev->phy_port_cnt = dev->info->port_cnt - 1; + dev->port_mask = (BIT(dev->phy_port_cnt) - 1) | dev->info->cpu_ports; if (ksz_is_ksz88x3(dev)) { ksz8->regs = ksz8863_regs; @@ -1688,11 +1600,11 @@ static int ksz8_switch_init(struct ksz_device *dev) dev->reg_mib_cnt = MIB_COUNTER_NUM; dev->ports = devm_kzalloc(dev->dev, - dev->port_cnt * sizeof(struct ksz_port), + dev->info->port_cnt * sizeof(struct ksz_port), GFP_KERNEL); if (!dev->ports) return -ENOMEM; - for (i = 0; i < dev->port_cnt; i++) { + for (i = 0; i < dev->info->port_cnt; i++) { mutex_init(&dev->ports[i].mib.cnt_mutex); dev->ports[i].mib.counters = devm_kzalloc(dev->dev, @@ -1704,7 +1616,7 @@ static int ksz8_switch_init(struct ksz_device *dev) } /* set the real number of ports */ - dev->ds->num_ports = dev->port_cnt; + dev->ds->num_ports = dev->info->port_cnt; /* We rely on software untagging on the CPU port, so that we * can support both tagged and untagged VLANs diff --git a/drivers/net/dsa/microchip/ksz9477.c b/drivers/net/dsa/microchip/ksz9477.c index 61dd0fa97748..c712a0011367 100644 --- a/drivers/net/dsa/microchip/ksz9477.c +++ b/drivers/net/dsa/microchip/ksz9477.c @@ -100,7 +100,7 @@ static int ksz9477_change_mtu(struct dsa_switch *ds, int port, int mtu) /* Cache the per-port MTU setting */ dev->ports[port].max_frame = frame_size; - for (i = 0; i < dev->port_cnt; i++) + for (i = 0; i < dev->info->port_cnt; i++) max_frame = max(max_frame, dev->ports[i].max_frame); return regmap_update_bits(dev->regmap[1], REG_SW_MTU__2, @@ -434,7 +434,7 @@ static void ksz9477_flush_dyn_mac_table(struct ksz_device *dev, int port) SW_FLUSH_OPTION_M << SW_FLUSH_OPTION_S, SW_FLUSH_OPTION_DYN_MAC << SW_FLUSH_OPTION_S); - if (port < dev->port_cnt) { + if (port < dev->info->port_cnt) { /* flush individual port */ ksz_pread8(dev, port, P_STP_CTRL, &data); if (!(data & PORT_LEARN_DISABLE)) @@ -756,7 +756,7 @@ static int ksz9477_port_mdb_add(struct dsa_switch *ds, int port, mutex_lock(&dev->alu_mutex); - for (index = 0; index < dev->num_statics; index++) { + for (index = 0; index < dev->info->num_statics; index++) { /* find empty slot first */ data = (index << ALU_STAT_INDEX_S) | ALU_STAT_READ | ALU_STAT_START; @@ -787,7 +787,7 @@ static int ksz9477_port_mdb_add(struct dsa_switch *ds, int port, } /* no available entry */ - if (index == dev->num_statics) { + if (index == dev->info->num_statics) { err = -ENOSPC; goto exit; } @@ -832,7 +832,7 @@ static int ksz9477_port_mdb_del(struct dsa_switch *ds, int port, mutex_lock(&dev->alu_mutex); - for (index = 0; index < dev->num_statics; index++) { + for (index = 0; index < dev->info->num_statics; index++) { /* find empty slot first */ data = (index << ALU_STAT_INDEX_S) | ALU_STAT_READ | ALU_STAT_START; @@ -861,7 +861,7 @@ static int ksz9477_port_mdb_del(struct dsa_switch *ds, int port, } /* no available entry */ - if (index == dev->num_statics) + if (index == dev->info->num_statics) goto exit; /* clear port */ @@ -903,7 +903,7 @@ static int ksz9477_port_mirror_add(struct dsa_switch *ds, int port, * Check if any of the port is already set for sniffing * If yes, instruct the user to remove the previous entry & exit */ - for (p = 0; p < dev->port_cnt; p++) { + for (p = 0; p < dev->info->port_cnt; p++) { /* Skip the current sniffing port */ if (p == mirror->to_local_port) continue; @@ -946,7 +946,7 @@ static void ksz9477_port_mirror_del(struct dsa_switch *ds, int port, /* Check if any of the port is still referring to sniffer port */ - for (p = 0; p < dev->port_cnt; p++) { + for (p = 0; p < dev->info->port_cnt; p++) { ksz_pread8(dev, p, P_MIRROR_CTRL, &data); if ((data & (PORT_MIRROR_RX | PORT_MIRROR_TX))) { @@ -1194,7 +1194,7 @@ static void ksz9477_port_setup(struct ksz_device *dev, int port, bool cpu_port) PORT_FORCE_TX_FLOW_CTRL | PORT_FORCE_RX_FLOW_CTRL, false); - if (dev->phy_errata_9477) + if (dev->info->phy_errata_9477) ksz9477_phy_errata_setup(dev, port); } else { /* force flow control */ @@ -1259,8 +1259,9 @@ static void ksz9477_config_cpu_port(struct dsa_switch *ds) struct ksz_port *p; int i; - for (i = 0; i < dev->port_cnt; i++) { - if (dsa_is_cpu_port(ds, i) && (dev->cpu_ports & (1 << i))) { + for (i = 0; i < dev->info->port_cnt; i++) { + if (dsa_is_cpu_port(ds, i) && + (dev->info->cpu_ports & (1 << i))) { phy_interface_t interface; const char *prev_msg; const char *prev_mode; @@ -1304,7 +1305,7 @@ static void ksz9477_config_cpu_port(struct dsa_switch *ds) } } - for (i = 0; i < dev->port_cnt; i++) { + for (i = 0; i < dev->info->port_cnt; i++) { if (i == dev->cpu_port) continue; p = &dev->ports[i]; @@ -1328,7 +1329,7 @@ static int ksz9477_setup(struct dsa_switch *ds) int ret = 0; dev->vlan_cache = devm_kcalloc(dev->dev, sizeof(struct vlan_table), - dev->num_vlans, GFP_KERNEL); + dev->info->num_vlans, GFP_KERNEL); if (!dev->vlan_cache) return -ENOMEM; @@ -1470,96 +1471,23 @@ static int ksz9477_switch_detect(struct ksz_device *dev) return 0; } -struct ksz_chip_data { - u32 chip_id; - const char *dev_name; - int num_vlans; - int num_alus; - int num_statics; - int cpu_ports; - int port_cnt; - bool phy_errata_9477; -}; - -static const struct ksz_chip_data ksz9477_switch_chips[] = { - { - .chip_id = 0x00947700, - .dev_name = "KSZ9477", - .num_vlans = 4096, - .num_alus = 4096, - .num_statics = 16, - .cpu_ports = 0x7F, /* can be configured as cpu port */ - .port_cnt = 7, /* total physical port count */ - .phy_errata_9477 = true, - }, - { - .chip_id = 0x00989700, - .dev_name = "KSZ9897", - .num_vlans = 4096, - .num_alus = 4096, - .num_statics = 16, - .cpu_ports = 0x7F, /* can be configured as cpu port */ - .port_cnt = 7, /* total physical port count */ - .phy_errata_9477 = true, - }, - { - .chip_id = 0x00989300, - .dev_name = "KSZ9893", - .num_vlans = 4096, - .num_alus = 4096, - .num_statics = 16, - .cpu_ports = 0x07, /* can be configured as cpu port */ - .port_cnt = 3, /* total port count */ - }, - { - .chip_id = 0x00956700, - .dev_name = "KSZ9567", - .num_vlans = 4096, - .num_alus = 4096, - .num_statics = 16, - .cpu_ports = 0x7F, /* can be configured as cpu port */ - .port_cnt = 7, /* total physical port count */ - .phy_errata_9477 = true, - }, -}; - static int ksz9477_switch_init(struct ksz_device *dev) { int i; dev->ds->ops = &ksz9477_switch_ops; - for (i = 0; i < ARRAY_SIZE(ksz9477_switch_chips); i++) { - const struct ksz_chip_data *chip = &ksz9477_switch_chips[i]; - - if (dev->chip_id == chip->chip_id) { - dev->name = chip->dev_name; - dev->num_vlans = chip->num_vlans; - dev->num_alus = chip->num_alus; - dev->num_statics = chip->num_statics; - dev->port_cnt = chip->port_cnt; - dev->cpu_ports = chip->cpu_ports; - dev->phy_errata_9477 = chip->phy_errata_9477; - - break; - } - } - - /* no switch found */ - if (!dev->port_cnt) - return -ENODEV; - - dev->port_mask = (1 << dev->port_cnt) - 1; + dev->port_mask = (1 << dev->info->port_cnt) - 1; dev->reg_mib_cnt = SWITCH_COUNTER_NUM; dev->mib_cnt = TOTAL_SWITCH_COUNTER_NUM; dev->ports = devm_kzalloc(dev->dev, - dev->port_cnt * sizeof(struct ksz_port), + dev->info->port_cnt * sizeof(struct ksz_port), GFP_KERNEL); if (!dev->ports) return -ENOMEM; - for (i = 0; i < dev->port_cnt; i++) { + for (i = 0; i < dev->info->port_cnt; i++) { spin_lock_init(&dev->ports[i].mib.stats64_lock); mutex_init(&dev->ports[i].mib.cnt_mutex); dev->ports[i].mib.counters = @@ -1572,7 +1500,7 @@ static int ksz9477_switch_init(struct ksz_device *dev) } /* set the real number of ports */ - dev->ds->num_ports = dev->port_cnt; + dev->ds->num_ports = dev->info->port_cnt; return 0; } diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c index 10f127b09e58..ebb4753051d4 100644 --- a/drivers/net/dsa/microchip/ksz_common.c +++ b/drivers/net/dsa/microchip/ksz_common.c @@ -59,6 +59,172 @@ struct ksz_stats_raw { u64 tx_discards; }; +static const struct ksz_chip_data ksz_switch_chips[] = { + [KSZ8795] = { + .chip_id = KSZ8795_CHIP_ID, + .dev_name = "KSZ8795", + .num_vlans = 4096, + .num_alus = 0, + .num_statics = 8, + .cpu_ports = 0x10, /* can be configured as cpu port */ + .port_cnt = 5, /* total cpu and user ports */ + .ksz87xx_eee_link_erratum = true, + }, + + [KSZ8794] = { + /* WARNING + * ======= + * KSZ8794 is similar to KSZ8795, except the port map + * contains a gap between external and CPU ports, the + * port map is NOT continuous. The per-port register + * map is shifted accordingly too, i.e. registers at + * offset 0x40 are NOT used on KSZ8794 and they ARE + * used on KSZ8795 for external port 3. + * external cpu + * KSZ8794 0,1,2 4 + * KSZ8795 0,1,2,3 4 + * KSZ8765 0,1,2,3 4 + * port_cnt is configured as 5, even though it is 4 + */ + .chip_id = KSZ8794_CHIP_ID, + .dev_name = "KSZ8794", + .num_vlans = 4096, + .num_alus = 0, + .num_statics = 8, + .cpu_ports = 0x10, /* can be configured as cpu port */ + .port_cnt = 5, /* total cpu and user ports */ + .ksz87xx_eee_link_erratum = true, + }, + + [KSZ8765] = { + .chip_id = KSZ8765_CHIP_ID, + .dev_name = "KSZ8765", + .num_vlans = 4096, + .num_alus = 0, + .num_statics = 8, + .cpu_ports = 0x10, /* can be configured as cpu port */ + .port_cnt = 5, /* total cpu and user ports */ + .ksz87xx_eee_link_erratum = true, + }, + + [KSZ8830] = { + .chip_id = KSZ8830_CHIP_ID, + .dev_name = "KSZ8863/KSZ8873", + .num_vlans = 16, + .num_alus = 0, + .num_statics = 8, + .cpu_ports = 0x4, /* can be configured as cpu port */ + .port_cnt = 3, + }, + + [KSZ9477] = { + .chip_id = KSZ9477_CHIP_ID, + .dev_name = "KSZ9477", + .num_vlans = 4096, + .num_alus = 4096, + .num_statics = 16, + .cpu_ports = 0x7F, /* can be configured as cpu port */ + .port_cnt = 7, /* total physical port count */ + .phy_errata_9477 = true, + }, + + [KSZ9897] = { + .chip_id = KSZ9897_CHIP_ID, + .dev_name = "KSZ9897", + .num_vlans = 4096, + .num_alus = 4096, + .num_statics = 16, + .cpu_ports = 0x7F, /* can be configured as cpu port */ + .port_cnt = 7, /* total physical port count */ + .phy_errata_9477 = true, + }, + + [KSZ9893] = { + .chip_id = KSZ9893_CHIP_ID, + .dev_name = "KSZ9893", + .num_vlans = 4096, + .num_alus = 4096, + .num_statics = 16, + .cpu_ports = 0x07, /* can be configured as cpu port */ + .port_cnt = 3, /* total port count */ + }, + + [KSZ9567] = { + .chip_id = KSZ9567_CHIP_ID, + .dev_name = "KSZ9567", + .num_vlans = 4096, + .num_alus = 4096, + .num_statics = 16, + .cpu_ports = 0x7F, /* can be configured as cpu port */ + .port_cnt = 7, /* total physical port count */ + .phy_errata_9477 = true, + }, + + [LAN9370] = { + .chip_id = LAN9370_CHIP_ID, + .dev_name = "LAN9370", + .num_vlans = 4096, + .num_alus = 1024, + .num_statics = 256, + .cpu_ports = 0x10, /* can be configured as cpu port */ + .port_cnt = 5, /* total physical port count */ + }, + + [LAN9371] = { + .chip_id = LAN9371_CHIP_ID, + .dev_name = "LAN9371", + .num_vlans = 4096, + .num_alus = 1024, + .num_statics = 256, + .cpu_ports = 0x30, /* can be configured as cpu port */ + .port_cnt = 6, /* total physical port count */ + }, + + [LAN9372] = { + .chip_id = LAN9372_CHIP_ID, + .dev_name = "LAN9372", + .num_vlans = 4096, + .num_alus = 1024, + .num_statics = 256, + .cpu_ports = 0x30, /* can be configured as cpu port */ + .port_cnt = 8, /* total physical port count */ + }, + + [LAN9373] = { + .chip_id = LAN9373_CHIP_ID, + .dev_name = "LAN9373", + .num_vlans = 4096, + .num_alus = 1024, + .num_statics = 256, + .cpu_ports = 0x38, /* can be configured as cpu port */ + .port_cnt = 5, /* total physical port count */ + }, + + [LAN9374] = { + .chip_id = LAN9374_CHIP_ID, + .dev_name = "LAN9374", + .num_vlans = 4096, + .num_alus = 1024, + .num_statics = 256, + .cpu_ports = 0x30, /* can be configured as cpu port */ + .port_cnt = 8, /* total physical port count */ + }, +}; + +static const struct ksz_chip_data *ksz_lookup_info(unsigned int prod_num) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(ksz_switch_chips); i++) { + const struct ksz_chip_data *chip = &ksz_switch_chips[i]; + + if (chip->chip_id == prod_num) + return chip; + } + + return NULL; +} + void ksz_r_mib_stats64(struct ksz_device *dev, int port) { struct rtnl_link_stats64 *stats; @@ -207,7 +373,7 @@ static void ksz_mib_read_work(struct work_struct *work) struct ksz_port *p; int i; - for (i = 0; i < dev->port_cnt; i++) { + for (i = 0; i < dev->info->port_cnt; i++) { if (dsa_is_unused_port(dev->ds, i)) continue; @@ -242,7 +408,7 @@ void ksz_init_mib_timer(struct ksz_device *dev) INIT_DELAYED_WORK(&dev->mib_read, ksz_mib_read_work); - for (i = 0; i < dev->port_cnt; i++) + for (i = 0; i < dev->info->port_cnt; i++) dev->dev_ops->port_init_cnt(dev, i); } EXPORT_SYMBOL_GPL(ksz_init_mib_timer); @@ -382,7 +548,7 @@ int ksz_port_mdb_add(struct dsa_switch *ds, int port, int empty = 0; alu.port_forward = 0; - for (index = 0; index < dev->num_statics; index++) { + for (index = 0; index < dev->info->num_statics; index++) { if (!dev->dev_ops->r_sta_mac_table(dev, index, &alu)) { /* Found one already in static MAC table. */ if (!memcmp(alu.mac, mdb->addr, ETH_ALEN) && @@ -395,11 +561,11 @@ int ksz_port_mdb_add(struct dsa_switch *ds, int port, } /* no available entry */ - if (index == dev->num_statics && !empty) + if (index == dev->info->num_statics && !empty) return -ENOSPC; /* add entry */ - if (index == dev->num_statics) { + if (index == dev->info->num_statics) { index = empty - 1; memset(&alu, 0, sizeof(alu)); memcpy(alu.mac, mdb->addr, ETH_ALEN); @@ -426,7 +592,7 @@ int ksz_port_mdb_del(struct dsa_switch *ds, int port, struct alu_struct alu; int index; - for (index = 0; index < dev->num_statics; index++) { + for (index = 0; index < dev->info->num_statics; index++) { if (!dev->dev_ops->r_sta_mac_table(dev, index, &alu)) { /* Found one already in static MAC table. */ if (!memcmp(alu.mac, mdb->addr, ETH_ALEN) && @@ -436,7 +602,7 @@ int ksz_port_mdb_del(struct dsa_switch *ds, int port, } /* no available entry */ - if (index == dev->num_statics) + if (index == dev->info->num_statics) goto exit; /* clear port */ @@ -537,6 +703,7 @@ EXPORT_SYMBOL(ksz_switch_alloc); int ksz_switch_register(struct ksz_device *dev, const struct ksz_dev_ops *ops) { + const struct ksz_chip_data *info; struct device_node *port, *ports; phy_interface_t interface; unsigned int port_num; @@ -567,6 +734,13 @@ int ksz_switch_register(struct ksz_device *dev, if (dev->dev_ops->detect(dev)) return -EINVAL; + info = ksz_lookup_info(dev->chip_id); + if (!info) + return -ENODEV; + + /* Update the compatible info with the probed one */ + dev->info = info; + ret = dev->dev_ops->init(dev); if (ret) return ret; @@ -574,7 +748,7 @@ int ksz_switch_register(struct ksz_device *dev, /* Host port interface will be self detected, or specifically set in * device tree. */ - for (port_num = 0; port_num < dev->port_cnt; ++port_num) + for (port_num = 0; port_num < dev->info->port_cnt; ++port_num) dev->ports[port_num].interface = PHY_INTERFACE_MODE_NA; if (dev->dev->of_node) { ret = of_get_phy_mode(dev->dev->of_node, &interface); diff --git a/drivers/net/dsa/microchip/ksz_common.h b/drivers/net/dsa/microchip/ksz_common.h index 28cda79b090f..a8f73e9a63ac 100644 --- a/drivers/net/dsa/microchip/ksz_common.h +++ b/drivers/net/dsa/microchip/ksz_common.h @@ -26,6 +26,18 @@ struct ksz_port_mib { struct spinlock stats64_lock; }; +struct ksz_chip_data { + u32 chip_id; + const char *dev_name; + int num_vlans; + int num_alus; + int num_statics; + int cpu_ports; + int port_cnt; + bool phy_errata_9477; + bool ksz87xx_eee_link_erratum; +}; + struct ksz_port { bool remove_tag; /* Remove Tag flag set, for ksz8795 only */ int stp_state; @@ -48,6 +60,7 @@ struct ksz_device { struct dsa_switch *ds; struct ksz_platform_data *pdata; const char *name; + const struct ksz_chip_data *info; struct mutex dev_mutex; /* device access */ struct mutex regmap_mutex; /* regmap access */ @@ -64,20 +77,13 @@ struct ksz_device { /* chip specific data */ u32 chip_id; - int num_vlans; - int num_alus; - int num_statics; int cpu_port; /* port connected to CPU */ - int cpu_ports; /* port bitmap can be cpu port */ int phy_port_cnt; - int port_cnt; u8 reg_mib_cnt; int mib_cnt; const struct mib_names *mib_names; phy_interface_t compat_interface; u32 regs_size; - bool phy_errata_9477; - bool ksz87xx_eee_link_erratum; bool synclko_125; bool synclko_disable; @@ -94,6 +100,39 @@ struct ksz_device { u16 port_mask; }; +/* List of supported models */ +enum ksz_model { + KSZ8795, + KSZ8794, + KSZ8765, + KSZ8830, + KSZ9477, + KSZ9897, + KSZ9893, + KSZ9567, + LAN9370, + LAN9371, + LAN9372, + LAN9373, + LAN9374, +}; + +enum ksz_chip_id { + KSZ8795_CHIP_ID = 0x8795, + KSZ8794_CHIP_ID = 0x8794, + KSZ8765_CHIP_ID = 0x8765, + KSZ8830_CHIP_ID = 0x8830, + KSZ9477_CHIP_ID = 0x00947700, + KSZ9897_CHIP_ID = 0x00989700, + KSZ9893_CHIP_ID = 0x00989300, + KSZ9567_CHIP_ID = 0x00956700, + LAN9370_CHIP_ID = 0x00937000, + LAN9371_CHIP_ID = 0x00937100, + LAN9372_CHIP_ID = 0x00937200, + LAN9373_CHIP_ID = 0x00937300, + LAN9374_CHIP_ID = 0x00937400, +}; + struct alu_struct { /* entry 1 */ u8 is_static:1; From patchwork Tue May 17 09:43:27 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arun Ramadoss X-Patchwork-Id: 12852203 X-Patchwork-Delegate: kuba@kernel.org Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3C307C433F5 for ; Tue, 17 May 2022 09:45:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245406AbiEQJpR (ORCPT ); Tue, 17 May 2022 05:45:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41714 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S245392AbiEQJoh (ORCPT ); Tue, 17 May 2022 05:44:37 -0400 Received: from esa.microchip.iphmx.com (esa.microchip.iphmx.com [68.232.153.233]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E33FE47AFB; 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Tue, 17 May 2022 02:44:23 -0700 Received: from CHE-LT-I17769U.microchip.com (10.10.115.15) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server id 15.1.2375.17 via Frontend Transport; Tue, 17 May 2022 02:44:17 -0700 From: Arun Ramadoss To: , CC: Russell King , Woojung Huh , , Andrew Lunn , Vivien Didelot , Florian Fainelli , Vladimir Oltean , "David S. Miller" , Jakub Kicinski , Paolo Abeni , Oleksij Rempel , Marek Vasut , Michael Grzeschik , Eric Dumazet Subject: [Patch net-next 3/9] net: dsa: microchip: perform the compatibility check for dev probed Date: Tue, 17 May 2022 15:13:27 +0530 Message-ID: <20220517094333.27225-4-arun.ramadoss@microchip.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20220517094333.27225-1-arun.ramadoss@microchip.com> References: <20220517094333.27225-1-arun.ramadoss@microchip.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org This patch perform the compatibility check for the device after the chip detect is done. It is to prevent the mismatch between the device compatible specified in the device tree and actual device found during the detect. The ksz9477 device doesn't use any .data in the of_device_id. But the ksz8795_spi uses .data for assigning the regmap between 8830 family and 87xx family switch. Changed the regmap assignment based on the chip_id from the .data. Signed-off-by: Arun Ramadoss Reviewed-by: Vladimir Oltean --- drivers/net/dsa/microchip/ksz8795_spi.c | 35 ++++++++++++++++++++----- drivers/net/dsa/microchip/ksz8863_smi.c | 10 +++++-- drivers/net/dsa/microchip/ksz9477_i2c.c | 30 ++++++++++++++++----- drivers/net/dsa/microchip/ksz9477_spi.c | 30 ++++++++++++++++----- drivers/net/dsa/microchip/ksz_common.c | 25 +++++++++++++++++- drivers/net/dsa/microchip/ksz_common.h | 1 + 6 files changed, 109 insertions(+), 22 deletions(-) diff --git a/drivers/net/dsa/microchip/ksz8795_spi.c b/drivers/net/dsa/microchip/ksz8795_spi.c index 5f8d94aee774..961a74c359a8 100644 --- a/drivers/net/dsa/microchip/ksz8795_spi.c +++ b/drivers/net/dsa/microchip/ksz8795_spi.c @@ -34,6 +34,7 @@ KSZ_REGMAP_TABLE(ksz8863, 16, KSZ8863_SPI_ADDR_SHIFT, static int ksz8795_spi_probe(struct spi_device *spi) { const struct regmap_config *regmap_config; + const struct ksz_chip_data *chip; struct device *ddev = &spi->dev; struct regmap_config rc; struct ksz_device *dev; @@ -50,10 +51,15 @@ static int ksz8795_spi_probe(struct spi_device *spi) if (!dev) return -ENOMEM; - regmap_config = device_get_match_data(ddev); - if (!regmap_config) + chip = device_get_match_data(ddev); + if (!chip) return -EINVAL; + if (chip->chip_id == KSZ8830_CHIP_ID) + regmap_config = ksz8863_regmap_config; + else + regmap_config = ksz8795_regmap_config; + for (i = 0; i < ARRAY_SIZE(ksz8795_regmap_config); i++) { rc = regmap_config[i]; rc.lock_arg = &dev->regmap_mutex; @@ -113,11 +119,26 @@ static void ksz8795_spi_shutdown(struct spi_device *spi) } static const struct of_device_id ksz8795_dt_ids[] = { - { .compatible = "microchip,ksz8765", .data = &ksz8795_regmap_config }, - { .compatible = "microchip,ksz8794", .data = &ksz8795_regmap_config }, - { .compatible = "microchip,ksz8795", .data = &ksz8795_regmap_config }, - { .compatible = "microchip,ksz8863", .data = &ksz8863_regmap_config }, - { .compatible = "microchip,ksz8873", .data = &ksz8863_regmap_config }, + { + .compatible = "microchip,ksz8765", + .data = &ksz_switch_chips[KSZ8765] + }, + { + .compatible = "microchip,ksz8794", + .data = &ksz_switch_chips[KSZ8794] + }, + { + .compatible = "microchip,ksz8795", + .data = &ksz_switch_chips[KSZ8795] + }, + { + .compatible = "microchip,ksz8863", + .data = &ksz_switch_chips[KSZ8830] + }, + { + .compatible = "microchip,ksz8873", + .data = &ksz_switch_chips[KSZ8830] + }, {}, }; MODULE_DEVICE_TABLE(of, ksz8795_dt_ids); diff --git a/drivers/net/dsa/microchip/ksz8863_smi.c b/drivers/net/dsa/microchip/ksz8863_smi.c index 5883fa7edda2..b6f99e641dca 100644 --- a/drivers/net/dsa/microchip/ksz8863_smi.c +++ b/drivers/net/dsa/microchip/ksz8863_smi.c @@ -206,8 +206,14 @@ static void ksz8863_smi_shutdown(struct mdio_device *mdiodev) } static const struct of_device_id ksz8863_dt_ids[] = { - { .compatible = "microchip,ksz8863" }, - { .compatible = "microchip,ksz8873" }, + { + .compatible = "microchip,ksz8863", + .data = &ksz_switch_chips[KSZ8830] + }, + { + .compatible = "microchip,ksz8873", + .data = &ksz_switch_chips[KSZ8830] + }, { }, }; MODULE_DEVICE_TABLE(of, ksz8863_dt_ids); diff --git a/drivers/net/dsa/microchip/ksz9477_i2c.c b/drivers/net/dsa/microchip/ksz9477_i2c.c index cbc0b20e7e1b..faa3163c86b0 100644 --- a/drivers/net/dsa/microchip/ksz9477_i2c.c +++ b/drivers/net/dsa/microchip/ksz9477_i2c.c @@ -87,12 +87,30 @@ static const struct i2c_device_id ksz9477_i2c_id[] = { MODULE_DEVICE_TABLE(i2c, ksz9477_i2c_id); static const struct of_device_id ksz9477_dt_ids[] = { - { .compatible = "microchip,ksz9477" }, - { .compatible = "microchip,ksz9897" }, - { .compatible = "microchip,ksz9893" }, - { .compatible = "microchip,ksz9563" }, - { .compatible = "microchip,ksz9567" }, - { .compatible = "microchip,ksz8563" }, + { + .compatible = "microchip,ksz9477", + .data = &ksz_switch_chips[KSZ9477] + }, + { + .compatible = "microchip,ksz9897", + .data = &ksz_switch_chips[KSZ9897] + }, + { + .compatible = "microchip,ksz9893", + .data = &ksz_switch_chips[KSZ9893] + }, + { + .compatible = "microchip,ksz9563", + .data = &ksz_switch_chips[KSZ9893] + }, + { + .compatible = "microchip,ksz8563", + .data = &ksz_switch_chips[KSZ9893] + }, + { + .compatible = "microchip,ksz9567", + .data = &ksz_switch_chips[KSZ9567] + }, {}, }; MODULE_DEVICE_TABLE(of, ksz9477_dt_ids); diff --git a/drivers/net/dsa/microchip/ksz9477_spi.c b/drivers/net/dsa/microchip/ksz9477_spi.c index 87ca464dad32..1bc8b0cbe458 100644 --- a/drivers/net/dsa/microchip/ksz9477_spi.c +++ b/drivers/net/dsa/microchip/ksz9477_spi.c @@ -86,12 +86,30 @@ static void ksz9477_spi_shutdown(struct spi_device *spi) } static const struct of_device_id ksz9477_dt_ids[] = { - { .compatible = "microchip,ksz9477" }, - { .compatible = "microchip,ksz9897" }, - { .compatible = "microchip,ksz9893" }, - { .compatible = "microchip,ksz9563" }, - { .compatible = "microchip,ksz8563" }, - { .compatible = "microchip,ksz9567" }, + { + .compatible = "microchip,ksz9477", + .data = &ksz_switch_chips[KSZ9477] + }, + { + .compatible = "microchip,ksz9897", + .data = &ksz_switch_chips[KSZ9897] + }, + { + .compatible = "microchip,ksz9893", + .data = &ksz_switch_chips[KSZ9893] + }, + { + .compatible = "microchip,ksz9563", + .data = &ksz_switch_chips[KSZ9893] + }, + { + .compatible = "microchip,ksz8563", + .data = &ksz_switch_chips[KSZ9893] + }, + { + .compatible = "microchip,ksz9567", + .data = &ksz_switch_chips[KSZ9567] + }, {}, }; MODULE_DEVICE_TABLE(of, ksz9477_dt_ids); diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c index ebb4753051d4..09048e5e7ff2 100644 --- a/drivers/net/dsa/microchip/ksz_common.c +++ b/drivers/net/dsa/microchip/ksz_common.c @@ -14,6 +14,7 @@ #include #include #include +#include #include #include #include @@ -59,7 +60,7 @@ struct ksz_stats_raw { u64 tx_discards; }; -static const struct ksz_chip_data ksz_switch_chips[] = { +const struct ksz_chip_data ksz_switch_chips[] = { [KSZ8795] = { .chip_id = KSZ8795_CHIP_ID, .dev_name = "KSZ8795", @@ -210,6 +211,7 @@ static const struct ksz_chip_data ksz_switch_chips[] = { .port_cnt = 8, /* total physical port count */ }, }; +EXPORT_SYMBOL_GPL(ksz_switch_chips); static const struct ksz_chip_data *ksz_lookup_info(unsigned int prod_num) { @@ -225,6 +227,23 @@ static const struct ksz_chip_data *ksz_lookup_info(unsigned int prod_num) return NULL; } +static int ksz_check_device_id(struct ksz_device *dev) +{ + const struct ksz_chip_data *dt_chip_data; + + dt_chip_data = of_device_get_match_data(dev->dev); + + /* Check for Device Tree and Chip ID */ + if (dt_chip_data->chip_id != dev->chip_id) { + dev_err(dev->dev, + "Device tree specifies chip %s but found %s, please fix it!\n", + dt_chip_data->dev_name, dev->info->dev_name); + return -ENODEV; + } + + return 0; +} + void ksz_r_mib_stats64(struct ksz_device *dev, int port) { struct rtnl_link_stats64 *stats; @@ -741,6 +760,10 @@ int ksz_switch_register(struct ksz_device *dev, /* Update the compatible info with the probed one */ dev->info = info; + ret = ksz_check_device_id(dev); + if (ret) + return ret; + ret = dev->dev_ops->init(dev); if (ret) return ret; diff --git a/drivers/net/dsa/microchip/ksz_common.h b/drivers/net/dsa/microchip/ksz_common.h index a8f73e9a63ac..b526f8027eea 100644 --- a/drivers/net/dsa/microchip/ksz_common.h +++ b/drivers/net/dsa/microchip/ksz_common.h @@ -193,6 +193,7 @@ void ksz_init_mib_timer(struct ksz_device *dev); void ksz_r_mib_stats64(struct ksz_device *dev, int port); void ksz_get_stats64(struct dsa_switch *ds, int port, struct rtnl_link_stats64 *s); +extern const struct ksz_chip_data ksz_switch_chips[]; /* Common DSA access functions */ From patchwork Tue May 17 09:43:28 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arun Ramadoss X-Patchwork-Id: 12852202 X-Patchwork-Delegate: kuba@kernel.org Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7CACFC433EF for ; Tue, 17 May 2022 09:45:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245185AbiEQJpP (ORCPT ); Tue, 17 May 2022 05:45:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41632 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S245022AbiEQJok (ORCPT ); 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17 May 2022 02:44:32 -0700 Received: from chn-vm-ex03.mchp-main.com (10.10.85.151) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.17; Tue, 17 May 2022 02:44:31 -0700 Received: from CHE-LT-I17769U.microchip.com (10.10.115.15) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server id 15.1.2375.17 via Frontend Transport; Tue, 17 May 2022 02:44:25 -0700 From: Arun Ramadoss To: , CC: Russell King , Woojung Huh , , Andrew Lunn , Vivien Didelot , Florian Fainelli , Vladimir Oltean , "David S. Miller" , Jakub Kicinski , Paolo Abeni , Oleksij Rempel , Marek Vasut , Michael Grzeschik , Eric Dumazet Subject: [Patch net-next 4/9] net: dsa: microchip: move struct mib_names to ksz_chip_data Date: Tue, 17 May 2022 15:13:28 +0530 Message-ID: <20220517094333.27225-5-arun.ramadoss@microchip.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20220517094333.27225-1-arun.ramadoss@microchip.com> References: <20220517094333.27225-1-arun.ramadoss@microchip.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org The ksz88xx family has one set of mib_names. The ksz87xx, ksz9477, LAN937x based switches has one set of mib_names. In order to remove redundant declaration, moved the struct mib_names to ksz_chip_data structure. Signed-off-by: Arun Ramadoss Reviewed-by: Vladimir Oltean --- drivers/net/dsa/microchip/ksz8795.c | 106 ++------------------ drivers/net/dsa/microchip/ksz9477.c | 58 ++--------- drivers/net/dsa/microchip/ksz_common.c | 131 +++++++++++++++++++++++-- drivers/net/dsa/microchip/ksz_common.h | 11 ++- 4 files changed, 149 insertions(+), 157 deletions(-) diff --git a/drivers/net/dsa/microchip/ksz8795.c b/drivers/net/dsa/microchip/ksz8795.c index b6032b65afc2..764e16b4f24b 100644 --- a/drivers/net/dsa/microchip/ksz8795.c +++ b/drivers/net/dsa/microchip/ksz8795.c @@ -126,86 +126,6 @@ static u8 ksz8863_shifts[] = { [DYNAMIC_MAC_SRC_PORT] = 20, }; -struct mib_names { - char string[ETH_GSTRING_LEN]; -}; - -static const struct mib_names ksz87xx_mib_names[] = { - { "rx_hi" }, - { "rx_undersize" }, - { "rx_fragments" }, - { "rx_oversize" }, - { "rx_jabbers" }, - { "rx_symbol_err" }, - { "rx_crc_err" }, - { "rx_align_err" }, - { "rx_mac_ctrl" }, - { "rx_pause" }, - { "rx_bcast" }, - { "rx_mcast" }, - { "rx_ucast" }, - { "rx_64_or_less" }, - { "rx_65_127" }, - { "rx_128_255" }, - { "rx_256_511" }, - { "rx_512_1023" }, - { "rx_1024_1522" }, - { "rx_1523_2000" }, - { "rx_2001" }, - { "tx_hi" }, - { "tx_late_col" }, - { "tx_pause" }, - { "tx_bcast" }, - { "tx_mcast" }, - { "tx_ucast" }, - { "tx_deferred" }, - { "tx_total_col" }, - { "tx_exc_col" }, - { "tx_single_col" }, - { "tx_mult_col" }, - { "rx_total" }, - { "tx_total" }, - { "rx_discards" }, - { "tx_discards" }, -}; - -static const struct mib_names ksz88xx_mib_names[] = { - { "rx" }, - { "rx_hi" }, - { "rx_undersize" }, - { "rx_fragments" }, - { "rx_oversize" }, - { "rx_jabbers" }, - { "rx_symbol_err" }, - { "rx_crc_err" }, - { "rx_align_err" }, - { "rx_mac_ctrl" }, - { "rx_pause" }, - { "rx_bcast" }, - { "rx_mcast" }, - { "rx_ucast" }, - { "rx_64_or_less" }, - { "rx_65_127" }, - { "rx_128_255" }, - { "rx_256_511" }, - { "rx_512_1023" }, - { "rx_1024_1522" }, - { "tx" }, - { "tx_hi" }, - { "tx_late_col" }, - { "tx_pause" }, - { "tx_bcast" }, - { "tx_mcast" }, - { "tx_ucast" }, - { "tx_deferred" }, - { "tx_total_col" }, - { "tx_exc_col" }, - { "tx_single_col" }, - { "tx_mult_col" }, - { "rx_discards" }, - { "tx_discards" }, -}; - static bool ksz_is_ksz88x3(struct ksz_device *dev) { return dev->chip_id == 0x8830; @@ -306,7 +226,7 @@ static void ksz8_r_mib_cnt(struct ksz_device *dev, int port, u16 addr, u64 *cnt) masks = ksz8->masks; regs = ksz8->regs; - ctrl_addr = addr + dev->reg_mib_cnt * port; + ctrl_addr = addr + dev->info->reg_mib_cnt * port; ctrl_addr |= IND_ACC_TABLE(TABLE_MIB | TABLE_READ); mutex_lock(&dev->alu_mutex); @@ -343,7 +263,7 @@ static void ksz8795_r_mib_pkt(struct ksz_device *dev, int port, u16 addr, masks = ksz8->masks; regs = ksz8->regs; - addr -= dev->reg_mib_cnt; + addr -= dev->info->reg_mib_cnt; ctrl_addr = (KSZ8795_MIB_TOTAL_RX_1 - KSZ8795_MIB_TOTAL_RX_0) * port; ctrl_addr += addr + KSZ8795_MIB_TOTAL_RX_0; ctrl_addr |= IND_ACC_TABLE(TABLE_MIB | TABLE_READ); @@ -392,7 +312,7 @@ static void ksz8863_r_mib_pkt(struct ksz_device *dev, int port, u16 addr, u32 data; u32 cur; - addr -= dev->reg_mib_cnt; + addr -= dev->info->reg_mib_cnt; ctrl_addr = addr ? KSZ8863_MIB_PACKET_DROPPED_TX_0 : KSZ8863_MIB_PACKET_DROPPED_RX_0; ctrl_addr += port; @@ -453,23 +373,23 @@ static void ksz8_port_init_cnt(struct ksz_device *dev, int port) mib->cnt_ptr = 0; /* Some ports may not have MIB counters before SWITCH_COUNTER_NUM. */ - while (mib->cnt_ptr < dev->reg_mib_cnt) { + while (mib->cnt_ptr < dev->info->reg_mib_cnt) { dev->dev_ops->r_mib_cnt(dev, port, mib->cnt_ptr, &mib->counters[mib->cnt_ptr]); ++mib->cnt_ptr; } /* last one in storage */ - dropped = &mib->counters[dev->mib_cnt]; + dropped = &mib->counters[dev->info->mib_cnt]; /* Some ports may not have MIB counters after SWITCH_COUNTER_NUM. */ - while (mib->cnt_ptr < dev->mib_cnt) { + while (mib->cnt_ptr < dev->info->mib_cnt) { dev->dev_ops->r_mib_pkt(dev, port, mib->cnt_ptr, dropped, &mib->counters[mib->cnt_ptr]); ++mib->cnt_ptr; } mib->cnt_ptr = 0; - memset(mib->counters, 0, dev->mib_cnt * sizeof(u64)); + memset(mib->counters, 0, dev->info->mib_cnt * sizeof(u64)); } static void ksz8_r_table(struct ksz_device *dev, int table, u16 addr, u64 *data) @@ -1009,9 +929,9 @@ static void ksz8_get_strings(struct dsa_switch *ds, int port, struct ksz_device *dev = ds->priv; int i; - for (i = 0; i < dev->mib_cnt; i++) { + for (i = 0; i < dev->info->mib_cnt; i++) { memcpy(buf + i * ETH_GSTRING_LEN, - dev->mib_names[i].string, ETH_GSTRING_LEN); + dev->info->mib_names[i].string, ETH_GSTRING_LEN); } } @@ -1587,18 +1507,12 @@ static int ksz8_switch_init(struct ksz_device *dev) ksz8->regs = ksz8863_regs; ksz8->masks = ksz8863_masks; ksz8->shifts = ksz8863_shifts; - dev->mib_cnt = ARRAY_SIZE(ksz88xx_mib_names); - dev->mib_names = ksz88xx_mib_names; } else { ksz8->regs = ksz8795_regs; ksz8->masks = ksz8795_masks; ksz8->shifts = ksz8795_shifts; - dev->mib_cnt = ARRAY_SIZE(ksz87xx_mib_names); - dev->mib_names = ksz87xx_mib_names; } - dev->reg_mib_cnt = MIB_COUNTER_NUM; - dev->ports = devm_kzalloc(dev->dev, dev->info->port_cnt * sizeof(struct ksz_port), GFP_KERNEL); @@ -1609,7 +1523,7 @@ static int ksz8_switch_init(struct ksz_device *dev) dev->ports[i].mib.counters = devm_kzalloc(dev->dev, sizeof(u64) * - (dev->mib_cnt + 1), + (dev->info->mib_cnt + 1), GFP_KERNEL); if (!dev->ports[i].mib.counters) return -ENOMEM; diff --git a/drivers/net/dsa/microchip/ksz9477.c b/drivers/net/dsa/microchip/ksz9477.c index c712a0011367..f7d4a3498e5d 100644 --- a/drivers/net/dsa/microchip/ksz9477.c +++ b/drivers/net/dsa/microchip/ksz9477.c @@ -23,48 +23,6 @@ #define NEW_XMII BIT(1) #define IS_9893 BIT(2) -static const struct { - int index; - char string[ETH_GSTRING_LEN]; -} ksz9477_mib_names[TOTAL_SWITCH_COUNTER_NUM] = { - { 0x00, "rx_hi" }, - { 0x01, "rx_undersize" }, - { 0x02, "rx_fragments" }, - { 0x03, "rx_oversize" }, - { 0x04, "rx_jabbers" }, - { 0x05, "rx_symbol_err" }, - { 0x06, "rx_crc_err" }, - { 0x07, "rx_align_err" }, - { 0x08, "rx_mac_ctrl" }, - { 0x09, "rx_pause" }, - { 0x0A, "rx_bcast" }, - { 0x0B, "rx_mcast" }, - { 0x0C, "rx_ucast" }, - { 0x0D, "rx_64_or_less" }, - { 0x0E, "rx_65_127" }, - { 0x0F, "rx_128_255" }, - { 0x10, "rx_256_511" }, - { 0x11, "rx_512_1023" }, - { 0x12, "rx_1024_1522" }, - { 0x13, "rx_1523_2000" }, - { 0x14, "rx_2001" }, - { 0x15, "tx_hi" }, - { 0x16, "tx_late_col" }, - { 0x17, "tx_pause" }, - { 0x18, "tx_bcast" }, - { 0x19, "tx_mcast" }, - { 0x1A, "tx_ucast" }, - { 0x1B, "tx_deferred" }, - { 0x1C, "tx_total_col" }, - { 0x1D, "tx_exc_col" }, - { 0x1E, "tx_single_col" }, - { 0x1F, "tx_mult_col" }, - { 0x80, "rx_total" }, - { 0x81, "tx_total" }, - { 0x82, "rx_discards" }, - { 0x83, "tx_discards" }, -}; - static void ksz_cfg(struct ksz_device *dev, u32 addr, u8 bits, bool set) { regmap_update_bits(dev->regmap[0], addr, bits, set ? bits : 0); @@ -287,7 +245,7 @@ static void ksz9477_r_mib_cnt(struct ksz_device *dev, int port, u16 addr, static void ksz9477_r_mib_pkt(struct ksz_device *dev, int port, u16 addr, u64 *dropped, u64 *cnt) { - addr = ksz9477_mib_names[addr].index; + addr = dev->info->mib_names[addr].index; ksz9477_r_mib_cnt(dev, port, addr, cnt); } @@ -318,7 +276,7 @@ static void ksz9477_port_init_cnt(struct ksz_device *dev, int port) mutex_unlock(&mib->cnt_mutex); mib->cnt_ptr = 0; - memset(mib->counters, 0, dev->mib_cnt * sizeof(u64)); + memset(mib->counters, 0, dev->info->mib_cnt * sizeof(u64)); } static enum dsa_tag_protocol ksz9477_get_tag_protocol(struct dsa_switch *ds, @@ -403,14 +361,15 @@ static int ksz9477_phy_write16(struct dsa_switch *ds, int addr, int reg, static void ksz9477_get_strings(struct dsa_switch *ds, int port, u32 stringset, uint8_t *buf) { + struct ksz_device *dev = ds->priv; int i; if (stringset != ETH_SS_STATS) return; - for (i = 0; i < TOTAL_SWITCH_COUNTER_NUM; i++) { - memcpy(buf + i * ETH_GSTRING_LEN, ksz9477_mib_names[i].string, - ETH_GSTRING_LEN); + for (i = 0; i < dev->info->mib_cnt; i++) { + memcpy(buf + i * ETH_GSTRING_LEN, + dev->info->mib_names[i].string, ETH_GSTRING_LEN); } } @@ -1479,9 +1438,6 @@ static int ksz9477_switch_init(struct ksz_device *dev) dev->port_mask = (1 << dev->info->port_cnt) - 1; - dev->reg_mib_cnt = SWITCH_COUNTER_NUM; - dev->mib_cnt = TOTAL_SWITCH_COUNTER_NUM; - dev->ports = devm_kzalloc(dev->dev, dev->info->port_cnt * sizeof(struct ksz_port), GFP_KERNEL); @@ -1493,7 +1449,7 @@ static int ksz9477_switch_init(struct ksz_device *dev) dev->ports[i].mib.counters = devm_kzalloc(dev->dev, sizeof(u64) * - (TOTAL_SWITCH_COUNTER_NUM + 1), + (dev->info->mib_cnt + 1), GFP_KERNEL); if (!dev->ports[i].mib.counters) return -ENOMEM; diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c index 09048e5e7ff2..243032b29ff2 100644 --- a/drivers/net/dsa/microchip/ksz_common.c +++ b/drivers/net/dsa/microchip/ksz_common.c @@ -21,6 +21,8 @@ #include "ksz_common.h" +#define MIB_COUNTER_NUM 0x20 + struct ksz_stats_raw { u64 rx_hi; u64 rx_undersize; @@ -60,6 +62,82 @@ struct ksz_stats_raw { u64 tx_discards; }; +static const struct ksz_mib_names ksz88xx_mib_names[] = { + { 0x00, "rx" }, + { 0x01, "rx_hi" }, + { 0x02, "rx_undersize" }, + { 0x03, "rx_fragments" }, + { 0x04, "rx_oversize" }, + { 0x05, "rx_jabbers" }, + { 0x06, "rx_symbol_err" }, + { 0x07, "rx_crc_err" }, + { 0x08, "rx_align_err" }, + { 0x09, "rx_mac_ctrl" }, + { 0x0a, "rx_pause" }, + { 0x0b, "rx_bcast" }, + { 0x0c, "rx_mcast" }, + { 0x0d, "rx_ucast" }, + { 0x0e, "rx_64_or_less" }, + { 0x0f, "rx_65_127" }, + { 0x10, "rx_128_255" }, + { 0x11, "rx_256_511" }, + { 0x12, "rx_512_1023" }, + { 0x13, "rx_1024_1522" }, + { 0x14, "tx" }, + { 0x15, "tx_hi" }, + { 0x16, "tx_late_col" }, + { 0x17, "tx_pause" }, + { 0x18, "tx_bcast" }, + { 0x19, "tx_mcast" }, + { 0x1a, "tx_ucast" }, + { 0x1b, "tx_deferred" }, + { 0x1c, "tx_total_col" }, + { 0x1d, "tx_exc_col" }, + { 0x1e, "tx_single_col" }, + { 0x1f, "tx_mult_col" }, + { 0x100, "rx_discards" }, + { 0x101, "tx_discards" }, +}; + +static const struct ksz_mib_names ksz9477_mib_names[] = { + { 0x00, "rx_hi" }, + { 0x01, "rx_undersize" }, + { 0x02, "rx_fragments" }, + { 0x03, "rx_oversize" }, + { 0x04, "rx_jabbers" }, + { 0x05, "rx_symbol_err" }, + { 0x06, "rx_crc_err" }, + { 0x07, "rx_align_err" }, + { 0x08, "rx_mac_ctrl" }, + { 0x09, "rx_pause" }, + { 0x0A, "rx_bcast" }, + { 0x0B, "rx_mcast" }, + { 0x0C, "rx_ucast" }, + { 0x0D, "rx_64_or_less" }, + { 0x0E, "rx_65_127" }, + { 0x0F, "rx_128_255" }, + { 0x10, "rx_256_511" }, + { 0x11, "rx_512_1023" }, + { 0x12, "rx_1024_1522" }, + { 0x13, "rx_1523_2000" }, + { 0x14, "rx_2001" }, + { 0x15, "tx_hi" }, + { 0x16, "tx_late_col" }, + { 0x17, "tx_pause" }, + { 0x18, "tx_bcast" }, + { 0x19, "tx_mcast" }, + { 0x1A, "tx_ucast" }, + { 0x1B, "tx_deferred" }, + { 0x1C, "tx_total_col" }, + { 0x1D, "tx_exc_col" }, + { 0x1E, "tx_single_col" }, + { 0x1F, "tx_mult_col" }, + { 0x80, "rx_total" }, + { 0x81, "tx_total" }, + { 0x82, "rx_discards" }, + { 0x83, "tx_discards" }, +}; + const struct ksz_chip_data ksz_switch_chips[] = { [KSZ8795] = { .chip_id = KSZ8795_CHIP_ID, @@ -70,6 +148,9 @@ const struct ksz_chip_data ksz_switch_chips[] = { .cpu_ports = 0x10, /* can be configured as cpu port */ .port_cnt = 5, /* total cpu and user ports */ .ksz87xx_eee_link_erratum = true, + .mib_names = ksz9477_mib_names, + .mib_cnt = ARRAY_SIZE(ksz9477_mib_names), + .reg_mib_cnt = MIB_COUNTER_NUM, }, [KSZ8794] = { @@ -95,6 +176,9 @@ const struct ksz_chip_data ksz_switch_chips[] = { .cpu_ports = 0x10, /* can be configured as cpu port */ .port_cnt = 5, /* total cpu and user ports */ .ksz87xx_eee_link_erratum = true, + .mib_names = ksz9477_mib_names, + .mib_cnt = ARRAY_SIZE(ksz9477_mib_names), + .reg_mib_cnt = MIB_COUNTER_NUM, }, [KSZ8765] = { @@ -106,6 +190,9 @@ const struct ksz_chip_data ksz_switch_chips[] = { .cpu_ports = 0x10, /* can be configured as cpu port */ .port_cnt = 5, /* total cpu and user ports */ .ksz87xx_eee_link_erratum = true, + .mib_names = ksz9477_mib_names, + .mib_cnt = ARRAY_SIZE(ksz9477_mib_names), + .reg_mib_cnt = MIB_COUNTER_NUM, }, [KSZ8830] = { @@ -116,6 +203,9 @@ const struct ksz_chip_data ksz_switch_chips[] = { .num_statics = 8, .cpu_ports = 0x4, /* can be configured as cpu port */ .port_cnt = 3, + .mib_names = ksz88xx_mib_names, + .mib_cnt = ARRAY_SIZE(ksz88xx_mib_names), + .reg_mib_cnt = MIB_COUNTER_NUM, }, [KSZ9477] = { @@ -127,6 +217,9 @@ const struct ksz_chip_data ksz_switch_chips[] = { .cpu_ports = 0x7F, /* can be configured as cpu port */ .port_cnt = 7, /* total physical port count */ .phy_errata_9477 = true, + .mib_names = ksz9477_mib_names, + .mib_cnt = ARRAY_SIZE(ksz9477_mib_names), + .reg_mib_cnt = MIB_COUNTER_NUM, }, [KSZ9897] = { @@ -138,6 +231,9 @@ const struct ksz_chip_data ksz_switch_chips[] = { .cpu_ports = 0x7F, /* can be configured as cpu port */ .port_cnt = 7, /* total physical port count */ .phy_errata_9477 = true, + .mib_names = ksz9477_mib_names, + .mib_cnt = ARRAY_SIZE(ksz9477_mib_names), + .reg_mib_cnt = MIB_COUNTER_NUM, }, [KSZ9893] = { @@ -148,6 +244,9 @@ const struct ksz_chip_data ksz_switch_chips[] = { .num_statics = 16, .cpu_ports = 0x07, /* can be configured as cpu port */ .port_cnt = 3, /* total port count */ + .mib_names = ksz9477_mib_names, + .mib_cnt = ARRAY_SIZE(ksz9477_mib_names), + .reg_mib_cnt = MIB_COUNTER_NUM, }, [KSZ9567] = { @@ -159,6 +258,9 @@ const struct ksz_chip_data ksz_switch_chips[] = { .cpu_ports = 0x7F, /* can be configured as cpu port */ .port_cnt = 7, /* total physical port count */ .phy_errata_9477 = true, + .mib_names = ksz9477_mib_names, + .mib_cnt = ARRAY_SIZE(ksz9477_mib_names), + .reg_mib_cnt = MIB_COUNTER_NUM, }, [LAN9370] = { @@ -169,6 +271,9 @@ const struct ksz_chip_data ksz_switch_chips[] = { .num_statics = 256, .cpu_ports = 0x10, /* can be configured as cpu port */ .port_cnt = 5, /* total physical port count */ + .mib_names = ksz9477_mib_names, + .mib_cnt = ARRAY_SIZE(ksz9477_mib_names), + .reg_mib_cnt = MIB_COUNTER_NUM, }, [LAN9371] = { @@ -179,6 +284,9 @@ const struct ksz_chip_data ksz_switch_chips[] = { .num_statics = 256, .cpu_ports = 0x30, /* can be configured as cpu port */ .port_cnt = 6, /* total physical port count */ + .mib_names = ksz9477_mib_names, + .mib_cnt = ARRAY_SIZE(ksz9477_mib_names), + .reg_mib_cnt = MIB_COUNTER_NUM, }, [LAN9372] = { @@ -189,6 +297,9 @@ const struct ksz_chip_data ksz_switch_chips[] = { .num_statics = 256, .cpu_ports = 0x30, /* can be configured as cpu port */ .port_cnt = 8, /* total physical port count */ + .mib_names = ksz9477_mib_names, + .mib_cnt = ARRAY_SIZE(ksz9477_mib_names), + .reg_mib_cnt = MIB_COUNTER_NUM, }, [LAN9373] = { @@ -199,6 +310,9 @@ const struct ksz_chip_data ksz_switch_chips[] = { .num_statics = 256, .cpu_ports = 0x38, /* can be configured as cpu port */ .port_cnt = 5, /* total physical port count */ + .mib_names = ksz9477_mib_names, + .mib_cnt = ARRAY_SIZE(ksz9477_mib_names), + .reg_mib_cnt = MIB_COUNTER_NUM, }, [LAN9374] = { @@ -209,6 +323,9 @@ const struct ksz_chip_data ksz_switch_chips[] = { .num_statics = 256, .cpu_ports = 0x30, /* can be configured as cpu port */ .port_cnt = 8, /* total physical port count */ + .mib_names = ksz9477_mib_names, + .mib_cnt = ARRAY_SIZE(ksz9477_mib_names), + .reg_mib_cnt = MIB_COUNTER_NUM, }, }; EXPORT_SYMBOL_GPL(ksz_switch_chips); @@ -366,17 +483,17 @@ static void port_r_cnt(struct ksz_device *dev, int port) u64 *dropped; /* Some ports may not have MIB counters before SWITCH_COUNTER_NUM. */ - while (mib->cnt_ptr < dev->reg_mib_cnt) { + while (mib->cnt_ptr < dev->info->reg_mib_cnt) { dev->dev_ops->r_mib_cnt(dev, port, mib->cnt_ptr, &mib->counters[mib->cnt_ptr]); ++mib->cnt_ptr; } /* last one in storage */ - dropped = &mib->counters[dev->mib_cnt]; + dropped = &mib->counters[dev->info->mib_cnt]; /* Some ports may not have MIB counters after SWITCH_COUNTER_NUM. */ - while (mib->cnt_ptr < dev->mib_cnt) { + while (mib->cnt_ptr < dev->info->mib_cnt) { dev->dev_ops->r_mib_pkt(dev, port, mib->cnt_ptr, dropped, &mib->counters[mib->cnt_ptr]); ++mib->cnt_ptr; @@ -407,7 +524,7 @@ static void ksz_mib_read_work(struct work_struct *work) const struct dsa_port *dp = dsa_to_port(dev->ds, i); if (!netif_carrier_ok(dp->slave)) - mib->cnt_ptr = dev->reg_mib_cnt; + mib->cnt_ptr = dev->info->reg_mib_cnt; } port_r_cnt(dev, i); p->read = false; @@ -474,7 +591,7 @@ int ksz_sset_count(struct dsa_switch *ds, int port, int sset) if (sset != ETH_SS_STATS) return 0; - return dev->mib_cnt; + return dev->info->mib_cnt; } EXPORT_SYMBOL_GPL(ksz_sset_count); @@ -489,9 +606,9 @@ void ksz_get_ethtool_stats(struct dsa_switch *ds, int port, uint64_t *buf) /* Only read dropped counters if no link. */ if (!netif_carrier_ok(dp->slave)) - mib->cnt_ptr = dev->reg_mib_cnt; + mib->cnt_ptr = dev->info->reg_mib_cnt; port_r_cnt(dev, port); - memcpy(buf, mib->counters, dev->mib_cnt * sizeof(u64)); + memcpy(buf, mib->counters, dev->info->mib_cnt * sizeof(u64)); mutex_unlock(&mib->cnt_mutex); } EXPORT_SYMBOL_GPL(ksz_get_ethtool_stats); diff --git a/drivers/net/dsa/microchip/ksz_common.h b/drivers/net/dsa/microchip/ksz_common.h index b526f8027eea..7c0158f20d34 100644 --- a/drivers/net/dsa/microchip/ksz_common.h +++ b/drivers/net/dsa/microchip/ksz_common.h @@ -26,6 +26,11 @@ struct ksz_port_mib { struct spinlock stats64_lock; }; +struct ksz_mib_names { + int index; + char string[ETH_GSTRING_LEN]; +}; + struct ksz_chip_data { u32 chip_id; const char *dev_name; @@ -36,6 +41,9 @@ struct ksz_chip_data { int port_cnt; bool phy_errata_9477; bool ksz87xx_eee_link_erratum; + const struct ksz_mib_names *mib_names; + int mib_cnt; + u8 reg_mib_cnt; }; struct ksz_port { @@ -79,9 +87,6 @@ struct ksz_device { u32 chip_id; int cpu_port; /* port connected to CPU */ int phy_port_cnt; - u8 reg_mib_cnt; - int mib_cnt; - const struct mib_names *mib_names; phy_interface_t compat_interface; u32 regs_size; bool synclko_125; From patchwork Tue May 17 09:43:29 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arun Ramadoss X-Patchwork-Id: 12852201 X-Patchwork-Delegate: kuba@kernel.org Return-Path: 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chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server id 15.1.2375.17 via Frontend Transport; Tue, 17 May 2022 02:44:32 -0700 From: Arun Ramadoss To: , CC: Russell King , Woojung Huh , , Andrew Lunn , Vivien Didelot , Florian Fainelli , Vladimir Oltean , "David S. Miller" , Jakub Kicinski , Paolo Abeni , Oleksij Rempel , Marek Vasut , Michael Grzeschik , Eric Dumazet Subject: [Patch net-next 5/9] net: dsa: microchip: move port memory allocation to ksz_common Date: Tue, 17 May 2022 15:13:29 +0530 Message-ID: <20220517094333.27225-6-arun.ramadoss@microchip.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20220517094333.27225-1-arun.ramadoss@microchip.com> References: <20220517094333.27225-1-arun.ramadoss@microchip.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org ksz8795 and ksz9477 init function initializes the memory to dev->ports, mib counters and assigns the ds real number of ports. Since both the routines are same, moved the allocation of port memory to ksz_switch_register after init. Signed-off-by: Arun Ramadoss Reviewed-by: Vladimir Oltean --- drivers/net/dsa/microchip/ksz8795.c | 20 -------------------- drivers/net/dsa/microchip/ksz9477.c | 22 ---------------------- drivers/net/dsa/microchip/ksz_common.c | 21 +++++++++++++++++++++ 3 files changed, 21 insertions(+), 42 deletions(-) diff --git a/drivers/net/dsa/microchip/ksz8795.c b/drivers/net/dsa/microchip/ksz8795.c index 764e16b4f24b..3490b6072641 100644 --- a/drivers/net/dsa/microchip/ksz8795.c +++ b/drivers/net/dsa/microchip/ksz8795.c @@ -1494,7 +1494,6 @@ static int ksz8_switch_detect(struct ksz_device *dev) static int ksz8_switch_init(struct ksz_device *dev) { struct ksz8 *ksz8 = dev->priv; - int i; dev->ds->ops = &ksz8_switch_ops; @@ -1513,25 +1512,6 @@ static int ksz8_switch_init(struct ksz_device *dev) ksz8->shifts = ksz8795_shifts; } - dev->ports = devm_kzalloc(dev->dev, - dev->info->port_cnt * sizeof(struct ksz_port), - GFP_KERNEL); - if (!dev->ports) - return -ENOMEM; - for (i = 0; i < dev->info->port_cnt; i++) { - mutex_init(&dev->ports[i].mib.cnt_mutex); - dev->ports[i].mib.counters = - devm_kzalloc(dev->dev, - sizeof(u64) * - (dev->info->mib_cnt + 1), - GFP_KERNEL); - if (!dev->ports[i].mib.counters) - return -ENOMEM; - } - - /* set the real number of ports */ - dev->ds->num_ports = dev->info->port_cnt; - /* We rely on software untagging on the CPU port, so that we * can support both tagged and untagged VLANs */ diff --git a/drivers/net/dsa/microchip/ksz9477.c b/drivers/net/dsa/microchip/ksz9477.c index f7d4a3498e5d..d4729f0dd831 100644 --- a/drivers/net/dsa/microchip/ksz9477.c +++ b/drivers/net/dsa/microchip/ksz9477.c @@ -1432,32 +1432,10 @@ static int ksz9477_switch_detect(struct ksz_device *dev) static int ksz9477_switch_init(struct ksz_device *dev) { - int i; - dev->ds->ops = &ksz9477_switch_ops; dev->port_mask = (1 << dev->info->port_cnt) - 1; - dev->ports = devm_kzalloc(dev->dev, - dev->info->port_cnt * sizeof(struct ksz_port), - GFP_KERNEL); - if (!dev->ports) - return -ENOMEM; - for (i = 0; i < dev->info->port_cnt; i++) { - spin_lock_init(&dev->ports[i].mib.stats64_lock); - mutex_init(&dev->ports[i].mib.cnt_mutex); - dev->ports[i].mib.counters = - devm_kzalloc(dev->dev, - sizeof(u64) * - (dev->info->mib_cnt + 1), - GFP_KERNEL); - if (!dev->ports[i].mib.counters) - return -ENOMEM; - } - - /* set the real number of ports */ - dev->ds->num_ports = dev->info->port_cnt; - return 0; } diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c index 243032b29ff2..8f90bf29fd4c 100644 --- a/drivers/net/dsa/microchip/ksz_common.c +++ b/drivers/net/dsa/microchip/ksz_common.c @@ -844,6 +844,7 @@ int ksz_switch_register(struct ksz_device *dev, phy_interface_t interface; unsigned int port_num; int ret; + int i; if (dev->pdata) dev->chip_id = dev->pdata->chip_id; @@ -885,6 +886,26 @@ int ksz_switch_register(struct ksz_device *dev, if (ret) return ret; + dev->ports = devm_kzalloc(dev->dev, + dev->info->port_cnt * sizeof(struct ksz_port), + GFP_KERNEL); + if (!dev->ports) + return -ENOMEM; + + for (i = 0; i < dev->info->port_cnt; i++) { + spin_lock_init(&dev->ports[i].mib.stats64_lock); + mutex_init(&dev->ports[i].mib.cnt_mutex); + dev->ports[i].mib.counters = + devm_kzalloc(dev->dev, + sizeof(u64) * (dev->info->mib_cnt + 1), + GFP_KERNEL); + if (!dev->ports[i].mib.counters) + return -ENOMEM; + } + + /* set the real number of ports */ + dev->ds->num_ports = dev->info->port_cnt; + /* Host port interface will be self detected, or specifically set in * device tree. */ From patchwork Tue May 17 09:43:30 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arun Ramadoss X-Patchwork-Id: 12852199 X-Patchwork-Delegate: kuba@kernel.org Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4EB95C433EF for ; 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X-IronPort-AV: E=Sophos;i="5.91,232,1647327600"; d="scan'208";a="164023201" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa5.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 17 May 2022 02:44:48 -0700 Received: from chn-vm-ex03.mchp-main.com (10.10.85.151) by chn-vm-ex02.mchp-main.com (10.10.85.144) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.17; Tue, 17 May 2022 02:44:46 -0700 Received: from CHE-LT-I17769U.microchip.com (10.10.115.15) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server id 15.1.2375.17 via Frontend Transport; Tue, 17 May 2022 02:44:40 -0700 From: Arun Ramadoss To: , CC: Russell King , Woojung Huh , , Andrew Lunn , Vivien Didelot , Florian Fainelli , Vladimir Oltean , "David S. Miller" , Jakub Kicinski , Paolo Abeni , Oleksij Rempel , Marek Vasut , Michael Grzeschik , Eric Dumazet Subject: [Patch net-next 6/9] net: dsa: microchip: move get_strings to ksz_common Date: Tue, 17 May 2022 15:13:30 +0530 Message-ID: <20220517094333.27225-7-arun.ramadoss@microchip.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20220517094333.27225-1-arun.ramadoss@microchip.com> References: <20220517094333.27225-1-arun.ramadoss@microchip.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org ksz8795 and ksz9477 uses the same algorithm for copying the ethtool strings. Hence moved to ksz_common to remove the redundant code. Signed-off-by: Arun Ramadoss Reviewed-by: Florian Fainelli Reviewed-by: Vladimir Oltean --- drivers/net/dsa/microchip/ksz8795.c | 14 +------------- drivers/net/dsa/microchip/ksz9477.c | 17 +---------------- drivers/net/dsa/microchip/ksz_common.c | 16 ++++++++++++++++ drivers/net/dsa/microchip/ksz_common.h | 2 ++ 4 files changed, 20 insertions(+), 29 deletions(-) diff --git a/drivers/net/dsa/microchip/ksz8795.c b/drivers/net/dsa/microchip/ksz8795.c index 3490b6072641..251048ffd3d4 100644 --- a/drivers/net/dsa/microchip/ksz8795.c +++ b/drivers/net/dsa/microchip/ksz8795.c @@ -923,18 +923,6 @@ static u32 ksz8_sw_get_phy_flags(struct dsa_switch *ds, int port) return 0; } -static void ksz8_get_strings(struct dsa_switch *ds, int port, - u32 stringset, uint8_t *buf) -{ - struct ksz_device *dev = ds->priv; - int i; - - for (i = 0; i < dev->info->mib_cnt; i++) { - memcpy(buf + i * ETH_GSTRING_LEN, - dev->info->mib_names[i].string, ETH_GSTRING_LEN); - } -} - static void ksz8_cfg_port_member(struct ksz_device *dev, int port, u8 member) { u8 data; @@ -1424,7 +1412,7 @@ static const struct dsa_switch_ops ksz8_switch_ops = { .phylink_get_caps = ksz8_get_caps, .phylink_mac_link_down = ksz_mac_link_down, .port_enable = ksz_enable_port, - .get_strings = ksz8_get_strings, + .get_strings = ksz_get_strings, .get_ethtool_stats = ksz_get_ethtool_stats, .get_sset_count = ksz_sset_count, .port_bridge_join = ksz_port_bridge_join, diff --git a/drivers/net/dsa/microchip/ksz9477.c b/drivers/net/dsa/microchip/ksz9477.c index d4729f0dd831..7cffc3388106 100644 --- a/drivers/net/dsa/microchip/ksz9477.c +++ b/drivers/net/dsa/microchip/ksz9477.c @@ -358,21 +358,6 @@ static int ksz9477_phy_write16(struct dsa_switch *ds, int addr, int reg, return 0; } -static void ksz9477_get_strings(struct dsa_switch *ds, int port, - u32 stringset, uint8_t *buf) -{ - struct ksz_device *dev = ds->priv; - int i; - - if (stringset != ETH_SS_STATS) - return; - - for (i = 0; i < dev->info->mib_cnt; i++) { - memcpy(buf + i * ETH_GSTRING_LEN, - dev->info->mib_names[i].string, ETH_GSTRING_LEN); - } -} - static void ksz9477_cfg_port_member(struct ksz_device *dev, int port, u8 member) { @@ -1341,7 +1326,7 @@ static const struct dsa_switch_ops ksz9477_switch_ops = { .phy_write = ksz9477_phy_write16, .phylink_mac_link_down = ksz_mac_link_down, .port_enable = ksz_enable_port, - .get_strings = ksz9477_get_strings, + .get_strings = ksz_get_strings, .get_ethtool_stats = ksz_get_ethtool_stats, .get_sset_count = ksz_sset_count, .port_bridge_join = ksz_port_bridge_join, diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c index 8f90bf29fd4c..c0acb12fab6d 100644 --- a/drivers/net/dsa/microchip/ksz_common.c +++ b/drivers/net/dsa/microchip/ksz_common.c @@ -418,6 +418,22 @@ void ksz_get_stats64(struct dsa_switch *ds, int port, } EXPORT_SYMBOL_GPL(ksz_get_stats64); +void ksz_get_strings(struct dsa_switch *ds, int port, + u32 stringset, uint8_t *buf) +{ + struct ksz_device *dev = ds->priv; + int i; + + if (stringset != ETH_SS_STATS) + return; + + for (i = 0; i < dev->info->mib_cnt; i++) { + memcpy(buf + i * ETH_GSTRING_LEN, + dev->info->mib_names[i].string, ETH_GSTRING_LEN); + } +} +EXPORT_SYMBOL_GPL(ksz_get_strings); + void ksz_update_port_member(struct ksz_device *dev, int port) { struct ksz_port *p = &dev->ports[port]; diff --git a/drivers/net/dsa/microchip/ksz_common.h b/drivers/net/dsa/microchip/ksz_common.h index 7c0158f20d34..8b2a30ef0664 100644 --- a/drivers/net/dsa/microchip/ksz_common.h +++ b/drivers/net/dsa/microchip/ksz_common.h @@ -225,6 +225,8 @@ int ksz_port_mdb_del(struct dsa_switch *ds, int port, const struct switchdev_obj_port_mdb *mdb, struct dsa_db db); int ksz_enable_port(struct dsa_switch *ds, int port, struct phy_device *phy); +void ksz_get_strings(struct dsa_switch *ds, int port, + u32 stringset, uint8_t *buf); /* Common register access functions */ From patchwork Tue May 17 09:43:31 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arun Ramadoss X-Patchwork-Id: 12852200 X-Patchwork-Delegate: kuba@kernel.org Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 97F59C433EF for ; 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X-IronPort-AV: E=Sophos;i="5.91,232,1647327600"; d="scan'208";a="164023238" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa5.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 17 May 2022 02:44:56 -0700 Received: from chn-vm-ex03.mchp-main.com (10.10.85.151) by chn-vm-ex02.mchp-main.com (10.10.85.144) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.17; Tue, 17 May 2022 02:44:54 -0700 Received: from CHE-LT-I17769U.microchip.com (10.10.115.15) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server id 15.1.2375.17 via Frontend Transport; Tue, 17 May 2022 02:44:48 -0700 From: Arun Ramadoss To: , CC: Russell King , Woojung Huh , , Andrew Lunn , Vivien Didelot , Florian Fainelli , Vladimir Oltean , "David S. Miller" , Jakub Kicinski , Paolo Abeni , Oleksij Rempel , Marek Vasut , Michael Grzeschik , Eric Dumazet Subject: [Patch net-next 7/9] net: dsa: move mib->cnt_ptr reset code to ksz_common.c Date: Tue, 17 May 2022 15:13:31 +0530 Message-ID: <20220517094333.27225-8-arun.ramadoss@microchip.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20220517094333.27225-1-arun.ramadoss@microchip.com> References: <20220517094333.27225-1-arun.ramadoss@microchip.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org From: Prasanna Vengateshan mib->cnt_ptr resetting is handled in multiple places as part of port_init_cnt(). Hence moved mib->cnt_ptr code to ksz common layer and removed from individual product files. Signed-off-by: Prasanna Vengateshan Signed-off-by: Arun Ramadoss Reviewed-by: Vladimir Oltean Reviewed-by: Florian Fainelli --- drivers/net/dsa/microchip/ksz8795.c | 2 -- drivers/net/dsa/microchip/ksz9477.c | 3 --- drivers/net/dsa/microchip/ksz_common.c | 8 +++++++- 3 files changed, 7 insertions(+), 6 deletions(-) diff --git a/drivers/net/dsa/microchip/ksz8795.c b/drivers/net/dsa/microchip/ksz8795.c index 251048ffd3d4..d6162b00e4fb 100644 --- a/drivers/net/dsa/microchip/ksz8795.c +++ b/drivers/net/dsa/microchip/ksz8795.c @@ -388,8 +388,6 @@ static void ksz8_port_init_cnt(struct ksz_device *dev, int port) dropped, &mib->counters[mib->cnt_ptr]); ++mib->cnt_ptr; } - mib->cnt_ptr = 0; - memset(mib->counters, 0, dev->info->mib_cnt * sizeof(u64)); } static void ksz8_r_table(struct ksz_device *dev, int table, u16 addr, u64 *data) diff --git a/drivers/net/dsa/microchip/ksz9477.c b/drivers/net/dsa/microchip/ksz9477.c index 7cffc3388106..22ef56e2cb7b 100644 --- a/drivers/net/dsa/microchip/ksz9477.c +++ b/drivers/net/dsa/microchip/ksz9477.c @@ -274,9 +274,6 @@ static void ksz9477_port_init_cnt(struct ksz_device *dev, int port) ksz_write8(dev, REG_SW_MAC_CTRL_6, SW_MIB_COUNTER_FLUSH); ksz_pwrite32(dev, port, REG_PORT_MIB_CTRL_STAT__4, 0); mutex_unlock(&mib->cnt_mutex); - - mib->cnt_ptr = 0; - memset(mib->counters, 0, dev->info->mib_cnt * sizeof(u64)); } static enum dsa_tag_protocol ksz9477_get_tag_protocol(struct dsa_switch *ds, diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c index c0acb12fab6d..873a6469934f 100644 --- a/drivers/net/dsa/microchip/ksz_common.c +++ b/drivers/net/dsa/microchip/ksz_common.c @@ -560,8 +560,14 @@ void ksz_init_mib_timer(struct ksz_device *dev) INIT_DELAYED_WORK(&dev->mib_read, ksz_mib_read_work); - for (i = 0; i < dev->info->port_cnt; i++) + for (i = 0; i < dev->info->port_cnt; i++) { + struct ksz_port_mib *mib = &dev->ports[i].mib; + dev->dev_ops->port_init_cnt(dev, i); + + mib->cnt_ptr = 0; + memset(mib->counters, 0, dev->info->mib_cnt * sizeof(u64)); + } } EXPORT_SYMBOL_GPL(ksz_init_mib_timer); From patchwork Tue May 17 09:43:32 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arun Ramadoss X-Patchwork-Id: 12852204 X-Patchwork-Delegate: kuba@kernel.org Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id CD02CC433EF for ; Tue, 17 May 2022 09:45:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239315AbiEQJpe (ORCPT ); Tue, 17 May 2022 05:45:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46068 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S245042AbiEQJpF (ORCPT ); Tue, 17 May 2022 05:45:05 -0400 Received: from esa.microchip.iphmx.com (esa.microchip.iphmx.com [68.232.154.123]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 32095CE2E; Tue, 17 May 2022 02:45:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1652780703; x=1684316703; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=CjkdOst7eSWmizQZ7ctwsWYbk8mnkxPpMU7fKzLqvas=; b=NYT2NLlt2G8wvvmfARCToPZ9iM7tudB1w6/5obt2amLAS5qoftRVGBWd wLU+nJyBu87GLfZN/4sPStz1fQmlB392ZH/nOn/Gs5P7nsxADCzlzyGHk OCov6Sz9EWZtDsJmBiewuDSYAMYvbAPWRFkfE9g0nJSCPnyvzfxU9jP0k B9gNWt4su8lYpyDzogEuM7CNuDX2lB++of92QbhPVf8+9w9+kfMIW0RB1 ooPFU08sYUIJiSSMiHMt6H80Ym5eczOAo3iph4w5vZREGr4RKg5WE5zaI jH21LuMJevULaz5H4r8XMm0bJhxtlynNRd/hseVBo824R2XFiKygIdQJM w==; X-IronPort-AV: E=Sophos;i="5.91,232,1647327600"; d="scan'208";a="159383624" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa2.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 17 May 2022 02:45:02 -0700 Received: from chn-vm-ex03.mchp-main.com (10.10.85.151) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.17; Tue, 17 May 2022 02:45:01 -0700 Received: from CHE-LT-I17769U.microchip.com (10.10.115.15) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server id 15.1.2375.17 via Frontend Transport; Tue, 17 May 2022 02:44:56 -0700 From: Arun Ramadoss To: , CC: Russell King , Woojung Huh , , Andrew Lunn , Vivien Didelot , Florian Fainelli , Vladimir Oltean , "David S. Miller" , Jakub Kicinski , Paolo Abeni , Oleksij Rempel , Marek Vasut , Michael Grzeschik , Eric Dumazet Subject: [Patch net-next 8/9] net: dsa: microchip: add the phylink get_caps Date: Tue, 17 May 2022 15:13:32 +0530 Message-ID: <20220517094333.27225-9-arun.ramadoss@microchip.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20220517094333.27225-1-arun.ramadoss@microchip.com> References: <20220517094333.27225-1-arun.ramadoss@microchip.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org This patch add the support for phylink_get_caps for ksz8795 and ksz9477 series switch. It updates the struct ksz_switch_chip with the details of the internal phys and xmii interface. Then during the get_caps based on the bits set in the structure, corresponding phy mode is set. Signed-off-by: Arun Ramadoss Reviewed-by: Vladimir Oltean Reviewed-by: Florian Fainelli --- drivers/net/dsa/microchip/ksz8795.c | 10 +-- drivers/net/dsa/microchip/ksz9477.c | 10 +++ drivers/net/dsa/microchip/ksz_common.c | 98 ++++++++++++++++++++++++++ drivers/net/dsa/microchip/ksz_common.h | 8 +++ 4 files changed, 117 insertions(+), 9 deletions(-) diff --git a/drivers/net/dsa/microchip/ksz8795.c b/drivers/net/dsa/microchip/ksz8795.c index d6162b00e4fb..9d6d3c69fd47 100644 --- a/drivers/net/dsa/microchip/ksz8795.c +++ b/drivers/net/dsa/microchip/ksz8795.c @@ -1376,15 +1376,7 @@ static void ksz8_get_caps(struct dsa_switch *ds, int port, { struct ksz_device *dev = ds->priv; - if (port == dev->cpu_port) { - __set_bit(PHY_INTERFACE_MODE_RMII, - config->supported_interfaces); - __set_bit(PHY_INTERFACE_MODE_MII, - config->supported_interfaces); - } else { - __set_bit(PHY_INTERFACE_MODE_INTERNAL, - config->supported_interfaces); - } + ksz_phylink_get_caps(ds, port, config); config->mac_capabilities = MAC_10 | MAC_100; diff --git a/drivers/net/dsa/microchip/ksz9477.c b/drivers/net/dsa/microchip/ksz9477.c index 22ef56e2cb7b..ab40b700cf1a 100644 --- a/drivers/net/dsa/microchip/ksz9477.c +++ b/drivers/net/dsa/microchip/ksz9477.c @@ -1097,6 +1097,15 @@ static void ksz9477_phy_errata_setup(struct ksz_device *dev, int port) ksz9477_port_mmd_write(dev, port, 0x1c, 0x20, 0xeeee); } +static void ksz9477_get_caps(struct dsa_switch *ds, int port, + struct phylink_config *config) +{ + ksz_phylink_get_caps(ds, port, config); + + config->mac_capabilities = MAC_10 | MAC_100 | MAC_1000FD | + MAC_ASYM_PAUSE | MAC_SYM_PAUSE; +} + static void ksz9477_port_setup(struct ksz_device *dev, int port, bool cpu_port) { struct ksz_port *p = &dev->ports[port]; @@ -1322,6 +1331,7 @@ static const struct dsa_switch_ops ksz9477_switch_ops = { .phy_read = ksz9477_phy_read16, .phy_write = ksz9477_phy_write16, .phylink_mac_link_down = ksz_mac_link_down, + .phylink_get_caps = ksz9477_get_caps, .port_enable = ksz_enable_port, .get_strings = ksz_get_strings, .get_ethtool_stats = ksz_get_ethtool_stats, diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c index 873a6469934f..9ca8c8d7740f 100644 --- a/drivers/net/dsa/microchip/ksz_common.c +++ b/drivers/net/dsa/microchip/ksz_common.c @@ -151,6 +151,10 @@ const struct ksz_chip_data ksz_switch_chips[] = { .mib_names = ksz9477_mib_names, .mib_cnt = ARRAY_SIZE(ksz9477_mib_names), .reg_mib_cnt = MIB_COUNTER_NUM, + .supports_mii = {false, false, false, false, true}, + .supports_rmii = {false, false, false, false, true}, + .supports_rgmii = {false, false, false, false, true}, + .internal_phy = {true, true, true, true, false}, }, [KSZ8794] = { @@ -179,6 +183,10 @@ const struct ksz_chip_data ksz_switch_chips[] = { .mib_names = ksz9477_mib_names, .mib_cnt = ARRAY_SIZE(ksz9477_mib_names), .reg_mib_cnt = MIB_COUNTER_NUM, + .supports_mii = {false, false, false, false, true}, + .supports_rmii = {false, false, false, false, true}, + .supports_rgmii = {false, false, false, false, true}, + .internal_phy = {true, true, true, false, false}, }, [KSZ8765] = { @@ -193,6 +201,10 @@ const struct ksz_chip_data ksz_switch_chips[] = { .mib_names = ksz9477_mib_names, .mib_cnt = ARRAY_SIZE(ksz9477_mib_names), .reg_mib_cnt = MIB_COUNTER_NUM, + .supports_mii = {false, false, false, false, true}, + .supports_rmii = {false, false, false, false, true}, + .supports_rgmii = {false, false, false, false, true}, + .internal_phy = {true, true, true, true, false}, }, [KSZ8830] = { @@ -206,6 +218,9 @@ const struct ksz_chip_data ksz_switch_chips[] = { .mib_names = ksz88xx_mib_names, .mib_cnt = ARRAY_SIZE(ksz88xx_mib_names), .reg_mib_cnt = MIB_COUNTER_NUM, + .supports_mii = {false, false, true}, + .supports_rmii = {false, false, true}, + .internal_phy = {true, true, false}, }, [KSZ9477] = { @@ -220,6 +235,14 @@ const struct ksz_chip_data ksz_switch_chips[] = { .mib_names = ksz9477_mib_names, .mib_cnt = ARRAY_SIZE(ksz9477_mib_names), .reg_mib_cnt = MIB_COUNTER_NUM, + .supports_mii = {false, false, false, false, + false, true, false}, + .supports_rmii = {false, false, false, false, + false, true, false}, + .supports_rgmii = {false, false, false, false, + false, true, false}, + .internal_phy = {true, true, true, true, + true, false, false}, }, [KSZ9897] = { @@ -234,6 +257,14 @@ const struct ksz_chip_data ksz_switch_chips[] = { .mib_names = ksz9477_mib_names, .mib_cnt = ARRAY_SIZE(ksz9477_mib_names), .reg_mib_cnt = MIB_COUNTER_NUM, + .supports_mii = {false, false, false, false, + false, true, true}, + .supports_rmii = {false, false, false, false, + false, true, true}, + .supports_rgmii = {false, false, false, false, + false, true, true}, + .internal_phy = {true, true, true, true, + true, false, false}, }, [KSZ9893] = { @@ -247,6 +278,10 @@ const struct ksz_chip_data ksz_switch_chips[] = { .mib_names = ksz9477_mib_names, .mib_cnt = ARRAY_SIZE(ksz9477_mib_names), .reg_mib_cnt = MIB_COUNTER_NUM, + .supports_mii = {false, false, true}, + .supports_rmii = {false, false, true}, + .supports_rgmii = {false, false, true}, + .internal_phy = {true, true, false}, }, [KSZ9567] = { @@ -261,6 +296,14 @@ const struct ksz_chip_data ksz_switch_chips[] = { .mib_names = ksz9477_mib_names, .mib_cnt = ARRAY_SIZE(ksz9477_mib_names), .reg_mib_cnt = MIB_COUNTER_NUM, + .supports_mii = {false, false, false, false, + false, true, true}, + .supports_rmii = {false, false, false, false, + false, true, true}, + .supports_rgmii = {false, false, false, false, + false, true, true}, + .internal_phy = {true, true, true, true, + true, false, false}, }, [LAN9370] = { @@ -274,6 +317,10 @@ const struct ksz_chip_data ksz_switch_chips[] = { .mib_names = ksz9477_mib_names, .mib_cnt = ARRAY_SIZE(ksz9477_mib_names), .reg_mib_cnt = MIB_COUNTER_NUM, + .supports_mii = {false, false, false, false, true}, + .supports_rmii = {false, false, false, false, true}, + .supports_rgmii = {false, false, false, false, true}, + .internal_phy = {true, true, true, true, false}, }, [LAN9371] = { @@ -287,6 +334,10 @@ const struct ksz_chip_data ksz_switch_chips[] = { .mib_names = ksz9477_mib_names, .mib_cnt = ARRAY_SIZE(ksz9477_mib_names), .reg_mib_cnt = MIB_COUNTER_NUM, + .supports_mii = {false, false, false, false, true, true}, + .supports_rmii = {false, false, false, false, true, true}, + .supports_rgmii = {false, false, false, false, true, true}, + .internal_phy = {true, true, true, true, false, false}, }, [LAN9372] = { @@ -300,6 +351,14 @@ const struct ksz_chip_data ksz_switch_chips[] = { .mib_names = ksz9477_mib_names, .mib_cnt = ARRAY_SIZE(ksz9477_mib_names), .reg_mib_cnt = MIB_COUNTER_NUM, + .supports_mii = {false, false, false, false, + true, true, false, false}, + .supports_rmii = {false, false, false, false, + true, true, false, false}, + .supports_rgmii = {false, false, false, false, + true, true, false, false}, + .internal_phy = {true, true, true, true, + false, false, true, true}, }, [LAN9373] = { @@ -313,6 +372,14 @@ const struct ksz_chip_data ksz_switch_chips[] = { .mib_names = ksz9477_mib_names, .mib_cnt = ARRAY_SIZE(ksz9477_mib_names), .reg_mib_cnt = MIB_COUNTER_NUM, + .supports_mii = {false, false, false, false, + true, true, false, false}, + .supports_rmii = {false, false, false, false, + true, true, false, false}, + .supports_rgmii = {false, false, false, false, + true, true, false, false}, + .internal_phy = {true, true, true, false, + false, false, true, true}, }, [LAN9374] = { @@ -326,6 +393,14 @@ const struct ksz_chip_data ksz_switch_chips[] = { .mib_names = ksz9477_mib_names, .mib_cnt = ARRAY_SIZE(ksz9477_mib_names), .reg_mib_cnt = MIB_COUNTER_NUM, + .supports_mii = {false, false, false, false, + true, true, false, false}, + .supports_rmii = {false, false, false, false, + true, true, false, false}, + .supports_rgmii = {false, false, false, false, + true, true, false, false}, + .internal_phy = {true, true, true, true, + false, false, true, true}, }, }; EXPORT_SYMBOL_GPL(ksz_switch_chips); @@ -361,6 +436,29 @@ static int ksz_check_device_id(struct ksz_device *dev) return 0; } +void ksz_phylink_get_caps(struct dsa_switch *ds, int port, + struct phylink_config *config) +{ + struct ksz_device *dev = ds->priv; + + config->legacy_pre_march2020 = false; + + if (dev->info->supports_mii[port]) + __set_bit(PHY_INTERFACE_MODE_MII, config->supported_interfaces); + + if (dev->info->supports_rmii[port]) + __set_bit(PHY_INTERFACE_MODE_RMII, + config->supported_interfaces); + + if (dev->info->supports_rgmii[port]) + phy_interface_set_rgmii(config->supported_interfaces); + + if (dev->info->internal_phy[port]) + __set_bit(PHY_INTERFACE_MODE_INTERNAL, + config->supported_interfaces); +} +EXPORT_SYMBOL_GPL(ksz_phylink_get_caps); + void ksz_r_mib_stats64(struct ksz_device *dev, int port) { struct rtnl_link_stats64 *stats; diff --git a/drivers/net/dsa/microchip/ksz_common.h b/drivers/net/dsa/microchip/ksz_common.h index 8b2a30ef0664..de963f0f83e2 100644 --- a/drivers/net/dsa/microchip/ksz_common.h +++ b/drivers/net/dsa/microchip/ksz_common.h @@ -14,6 +14,8 @@ #include #include +#define KSZ_MAX_NUM_PORTS 8 + struct vlan_table { u32 table[3]; }; @@ -44,6 +46,10 @@ struct ksz_chip_data { const struct ksz_mib_names *mib_names; int mib_cnt; u8 reg_mib_cnt; + bool supports_mii[KSZ_MAX_NUM_PORTS]; + bool supports_rmii[KSZ_MAX_NUM_PORTS]; + bool supports_rgmii[KSZ_MAX_NUM_PORTS]; + bool internal_phy[KSZ_MAX_NUM_PORTS]; }; struct ksz_port { @@ -198,6 +204,8 @@ void ksz_init_mib_timer(struct ksz_device *dev); void ksz_r_mib_stats64(struct ksz_device *dev, int port); void ksz_get_stats64(struct dsa_switch *ds, int port, struct rtnl_link_stats64 *s); +void ksz_phylink_get_caps(struct dsa_switch *ds, int port, + struct phylink_config *config); extern const struct ksz_chip_data ksz_switch_chips[]; /* Common DSA access functions */ From patchwork Tue May 17 09:43:33 2022 Content-Type: text/plain; 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(version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.17; Tue, 17 May 2022 02:45:09 -0700 Received: from CHE-LT-I17769U.microchip.com (10.10.115.15) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server id 15.1.2375.17 via Frontend Transport; Tue, 17 May 2022 02:45:03 -0700 From: Arun Ramadoss To: , CC: Russell King , Woojung Huh , , Andrew Lunn , Vivien Didelot , Florian Fainelli , Vladimir Oltean , "David S. Miller" , Jakub Kicinski , Paolo Abeni , Oleksij Rempel , Marek Vasut , Michael Grzeschik , Eric Dumazet Subject: [Patch net-next 9/9] net: dsa: microchip: remove unused members in ksz_device Date: Tue, 17 May 2022 15:13:33 +0530 Message-ID: <20220517094333.27225-10-arun.ramadoss@microchip.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20220517094333.27225-1-arun.ramadoss@microchip.com> References: <20220517094333.27225-1-arun.ramadoss@microchip.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org The name, regs_size and overrides members in struct ksz_device are unused. Hence remove it. And host_mask is used in only place of ksz8795.c file, which can be replaced by dev->info->cpu_ports Signed-off-by: Arun Ramadoss Reviewed-by: Florian Fainelli Reviewed-by: Vladimir Oltean --- drivers/net/dsa/microchip/ksz8795.c | 3 +-- drivers/net/dsa/microchip/ksz_common.h | 4 ---- 2 files changed, 1 insertion(+), 6 deletions(-) diff --git a/drivers/net/dsa/microchip/ksz8795.c b/drivers/net/dsa/microchip/ksz8795.c index 9d6d3c69fd47..12a599d5e61a 100644 --- a/drivers/net/dsa/microchip/ksz8795.c +++ b/drivers/net/dsa/microchip/ksz8795.c @@ -1360,7 +1360,7 @@ static int ksz8_setup(struct dsa_switch *ds) ether_addr_copy(alu.mac, eth_stp_addr); alu.is_static = true; alu.is_override = true; - alu.port_forward = dev->host_mask; + alu.port_forward = dev->info->cpu_ports; ksz8_w_sta_mac_table(dev, 0, &alu); @@ -1476,7 +1476,6 @@ static int ksz8_switch_init(struct ksz_device *dev) dev->ds->ops = &ksz8_switch_ops; dev->cpu_port = fls(dev->info->cpu_ports) - 1; - dev->host_mask = dev->info->cpu_ports; dev->phy_port_cnt = dev->info->port_cnt - 1; dev->port_mask = (BIT(dev->phy_port_cnt) - 1) | dev->info->cpu_ports; diff --git a/drivers/net/dsa/microchip/ksz_common.h b/drivers/net/dsa/microchip/ksz_common.h index de963f0f83e2..8500eaedad67 100644 --- a/drivers/net/dsa/microchip/ksz_common.h +++ b/drivers/net/dsa/microchip/ksz_common.h @@ -73,7 +73,6 @@ struct ksz_port { struct ksz_device { struct dsa_switch *ds; struct ksz_platform_data *pdata; - const char *name; const struct ksz_chip_data *info; struct mutex dev_mutex; /* device access */ @@ -94,7 +93,6 @@ struct ksz_device { int cpu_port; /* port connected to CPU */ int phy_port_cnt; phy_interface_t compat_interface; - u32 regs_size; bool synclko_125; bool synclko_disable; @@ -106,8 +104,6 @@ struct ksz_device { u16 mirror_rx; u16 mirror_tx; u32 features; /* chip specific features */ - u32 overrides; /* chip functions set by user */ - u16 host_mask; u16 port_mask; };