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 36E47C433F5 for ; Fri, 26 Nov 2021 09:06:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1376347AbhKZJJ7 (ORCPT ); Fri, 26 Nov 2021 04:09:59 -0500 Received: from esa.microchip.iphmx.com ([68.232.154.123]:1175 "EHLO esa.microchip.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1359852AbhKZJHW (ORCPT ); Fri, 26 Nov 2021 04:07:22 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1637917449; x=1669453449; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=9UY8V25s1ol8apAy+ibJbO6qcI/FCfSkMI/l5SmQ2wg=; b=dFZbWjrlSbc2BiRIHAwsKsJ6JpW3D+oIaA7TVNdtsNxWJb4W2W/jYmmp ZljH9AlfsvnKcM4PmHitpON8/RYACMFFpvoQ037yWstoi2KceTefoExbi DutgoGXqf6KEjVaENvpuo0IypTloumkCc++ZYs0gp8IgR3ssRlDEy1VY1 8xWkaDdKVWWQSVW0YirRKU7fQyQXPw/i5tU0z6jPszvlTemyeMA5uWYnv pTzMOiyRjowrW8IpCocG3FD8DuLTXfeJH6ksbXdqrmVkPAOvQ91Dk8ebF e6SFwRQNWXA8wjJUDSTIoPYzvGpwTHxNGnC+BiXyXnHvBtI119kRJZ2gB A==; IronPort-SDR: WecQfB8UaMAufm6+ySlBKaOj/Z2IwBrTH5vxTZm1ZWotfixDQs45neb24Xs0hezNN1Q9ljHJ8Q Ui04GqjzG+Xhg6/34m6ByAZrfR2Zfa8xoiDYK9SUTGHlQNEAOHinhFqqUeYcyW5SmnaPMGZOnB ByI1CAEkVOiiTJ2hHA1WdK6j5P4aS/B9vi2kETyDrQ/vJcqwhbVP5NTS8X/Gjw/I61S86Wblun od1QoTVWALQmF6l/2ssThuTbHwhsd5Qx1Ev/BOGIcPqEvqdQkH7Ie2SrjFZFuWvRB+Wa3H4lAT rUsmeCIYerpAZSgULIwWGJbg X-IronPort-AV: E=Sophos;i="5.87,265,1631602800"; d="scan'208";a="140385806" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa2.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 26 Nov 2021 02:04:09 -0700 Received: from chn-vm-ex02.mchp-main.com (10.10.85.144) by chn-vm-ex01.mchp-main.com (10.10.85.143) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.14; Fri, 26 Nov 2021 02:04:08 -0700 Received: from soft-dev3-1.microsemi.net (10.10.115.15) by chn-vm-ex02.mchp-main.com (10.10.85.144) with Microsoft SMTP Server id 15.1.2176.14 via Frontend Transport; Fri, 26 Nov 2021 02:04:06 -0700 From: Horatiu Vultur To: , , , , , , , , , CC: Horatiu Vultur Subject: [PATCH net-next v4 5/6] net: lan966x: add ethtool configuration and statistics Date: Fri, 26 Nov 2021 10:05:39 +0100 Message-ID: <20211126090540.3550913-6-horatiu.vultur@microchip.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20211126090540.3550913-1-horatiu.vultur@microchip.com> References: <20211126090540.3550913-1-horatiu.vultur@microchip.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch adds support for statistics counters for the network interfaces. Also adds support for configuring the network interface via ethtool like: speed, duplex etc. Signed-off-by: Horatiu Vultur --- .../net/ethernet/microchip/lan966x/Makefile | 2 +- .../microchip/lan966x/lan966x_ethtool.c | 664 ++++++++++++++++++ .../ethernet/microchip/lan966x/lan966x_main.c | 11 + .../ethernet/microchip/lan966x/lan966x_main.h | 20 + 4 files changed, 696 insertions(+), 1 deletion(-) create mode 100644 drivers/net/ethernet/microchip/lan966x/lan966x_ethtool.c diff --git a/drivers/net/ethernet/microchip/lan966x/Makefile b/drivers/net/ethernet/microchip/lan966x/Makefile index 75556387df08..2989ba528236 100644 --- a/drivers/net/ethernet/microchip/lan966x/Makefile +++ b/drivers/net/ethernet/microchip/lan966x/Makefile @@ -6,4 +6,4 @@ obj-$(CONFIG_LAN966X_SWITCH) += lan966x-switch.o lan966x-switch-objs := lan966x_main.o lan966x_phylink.o lan966x_port.o \ - lan966x_mac.o + lan966x_mac.o lan966x_ethtool.o diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_ethtool.c b/drivers/net/ethernet/microchip/lan966x/lan966x_ethtool.c new file mode 100644 index 000000000000..861075a385df --- /dev/null +++ b/drivers/net/ethernet/microchip/lan966x/lan966x_ethtool.c @@ -0,0 +1,664 @@ +// SPDX-License-Identifier: GPL-2.0+ + +#include + +#include "lan966x_main.h" + +/* Number of traffic classes */ +#define LAN966X_NUM_TC 8 +#define LAN966X_STATS_CHECK_DELAY (2 * HZ) + +static const struct lan966x_stat_layout lan966x_stats_layout[] = { + { .name = "rx_octets", .offset = 0x00, }, + { .name = "rx_unicast", .offset = 0x01, }, + { .name = "rx_multicast", .offset = 0x02 }, + { .name = "rx_broadcast", .offset = 0x03 }, + { .name = "rx_short", .offset = 0x04 }, + { .name = "rx_frag", .offset = 0x05 }, + { .name = "rx_jabber", .offset = 0x06 }, + { .name = "rx_crc", .offset = 0x07 }, + { .name = "rx_symbol_err", .offset = 0x08 }, + { .name = "rx_sz_64", .offset = 0x09 }, + { .name = "rx_sz_65_127", .offset = 0x0a}, + { .name = "rx_sz_128_255", .offset = 0x0b}, + { .name = "rx_sz_256_511", .offset = 0x0c }, + { .name = "rx_sz_512_1023", .offset = 0x0d }, + { .name = "rx_sz_1024_1526", .offset = 0x0e }, + { .name = "rx_sz_jumbo", .offset = 0x0f }, + { .name = "rx_pause", .offset = 0x10 }, + { .name = "rx_control", .offset = 0x11 }, + { .name = "rx_long", .offset = 0x12 }, + { .name = "rx_cat_drop", .offset = 0x13 }, + { .name = "rx_red_prio_0", .offset = 0x14 }, + { .name = "rx_red_prio_1", .offset = 0x15 }, + { .name = "rx_red_prio_2", .offset = 0x16 }, + { .name = "rx_red_prio_3", .offset = 0x17 }, + { .name = "rx_red_prio_4", .offset = 0x18 }, + { .name = "rx_red_prio_5", .offset = 0x19 }, + { .name = "rx_red_prio_6", .offset = 0x1a }, + { .name = "rx_red_prio_7", .offset = 0x1b }, + { .name = "rx_yellow_prio_0", .offset = 0x1c }, + { .name = "rx_yellow_prio_1", .offset = 0x1d }, + { .name = "rx_yellow_prio_2", .offset = 0x1e }, + { .name = "rx_yellow_prio_3", .offset = 0x1f }, + { .name = "rx_yellow_prio_4", .offset = 0x20 }, + { .name = "rx_yellow_prio_5", .offset = 0x21 }, + { .name = "rx_yellow_prio_6", .offset = 0x22 }, + { .name = "rx_yellow_prio_7", .offset = 0x23 }, + { .name = "rx_green_prio_0", .offset = 0x24 }, + { .name = "rx_green_prio_1", .offset = 0x25 }, + { .name = "rx_green_prio_2", .offset = 0x26 }, + { .name = "rx_green_prio_3", .offset = 0x27 }, + { .name = "rx_green_prio_4", .offset = 0x28 }, + { .name = "rx_green_prio_5", .offset = 0x29 }, + { .name = "rx_green_prio_6", .offset = 0x2a }, + { .name = "rx_green_prio_7", .offset = 0x2b }, + { .name = "rx_assembly_err", .offset = 0x2c }, + { .name = "rx_smd_err", .offset = 0x2d }, + { .name = "rx_assembly_ok", .offset = 0x2e }, + { .name = "rx_merge_frag", .offset = 0x2f }, + { .name = "rx_pmac_octets", .offset = 0x30, }, + { .name = "rx_pmac_unicast", .offset = 0x31, }, + { .name = "rx_pmac_multicast", .offset = 0x32 }, + { .name = "rx_pmac_broadcast", .offset = 0x33 }, + { .name = "rx_pmac_short", .offset = 0x34 }, + { .name = "rx_pmac_frag", .offset = 0x35 }, + { .name = "rx_pmac_jabber", .offset = 0x36 }, + { .name = "rx_pmac_crc", .offset = 0x37 }, + { .name = "rx_pmac_symbol_err", .offset = 0x38 }, + { .name = "rx_pmac_sz_64", .offset = 0x39 }, + { .name = "rx_pmac_sz_65_127", .offset = 0x3a }, + { .name = "rx_pmac_sz_128_255", .offset = 0x3b }, + { .name = "rx_pmac_sz_256_511", .offset = 0x3c }, + { .name = "rx_pmac_sz_512_1023", .offset = 0x3d }, + { .name = "rx_pmac_sz_1024_1526", .offset = 0x3e }, + { .name = "rx_pmac_sz_jumbo", .offset = 0x3f }, + { .name = "rx_pmac_pause", .offset = 0x40 }, + { .name = "rx_pmac_control", .offset = 0x41 }, + { .name = "rx_pmac_long", .offset = 0x42 }, + + { .name = "tx_octets", .offset = 0x80, }, + { .name = "tx_unicast", .offset = 0x81, }, + { .name = "tx_multicast", .offset = 0x82 }, + { .name = "tx_broadcast", .offset = 0x83 }, + { .name = "tx_col", .offset = 0x84 }, + { .name = "tx_drop", .offset = 0x85 }, + { .name = "tx_pause", .offset = 0x86 }, + { .name = "tx_sz_64", .offset = 0x87 }, + { .name = "tx_sz_65_127", .offset = 0x88 }, + { .name = "tx_sz_128_255", .offset = 0x89 }, + { .name = "tx_sz_256_511", .offset = 0x8a }, + { .name = "tx_sz_512_1023", .offset = 0x8b }, + { .name = "tx_sz_1024_1526", .offset = 0x8c }, + { .name = "tx_sz_jumbo", .offset = 0x8d }, + { .name = "tx_yellow_prio_0", .offset = 0x8e }, + { .name = "tx_yellow_prio_1", .offset = 0x8f }, + { .name = "tx_yellow_prio_2", .offset = 0x90 }, + { .name = "tx_yellow_prio_3", .offset = 0x91 }, + { .name = "tx_yellow_prio_4", .offset = 0x92 }, + { .name = "tx_yellow_prio_5", .offset = 0x93 }, + { .name = "tx_yellow_prio_6", .offset = 0x94 }, + { .name = "tx_yellow_prio_7", .offset = 0x95 }, + { .name = "tx_green_prio_0", .offset = 0x96 }, + { .name = "tx_green_prio_1", .offset = 0x97 }, + { .name = "tx_green_prio_2", .offset = 0x98 }, + { .name = "tx_green_prio_3", .offset = 0x99 }, + { .name = "tx_green_prio_4", .offset = 0x9a }, + { .name = "tx_green_prio_5", .offset = 0x9b }, + { .name = "tx_green_prio_6", .offset = 0x9c }, + { .name = "tx_green_prio_7", .offset = 0x9d }, + { .name = "tx_aged", .offset = 0x9e }, + { .name = "tx_llct", .offset = 0x9f }, + { .name = "tx_ct", .offset = 0xa0 }, + { .name = "tx_mm_hold", .offset = 0xa1 }, + { .name = "tx_merge_frag", .offset = 0xa2 }, + { .name = "tx_pmac_octets", .offset = 0xa3, }, + { .name = "tx_pmac_unicast", .offset = 0xa4, }, + { .name = "tx_pmac_multicast", .offset = 0xa5 }, + { .name = "tx_pmac_broadcast", .offset = 0xa6 }, + { .name = "tx_pmac_pause", .offset = 0xa7 }, + { .name = "tx_pmac_sz_64", .offset = 0xa8 }, + { .name = "tx_pmac_sz_65_127", .offset = 0xa9 }, + { .name = "tx_pmac_sz_128_255", .offset = 0xaa }, + { .name = "tx_pmac_sz_256_511", .offset = 0xab }, + { .name = "tx_pmac_sz_512_1023", .offset = 0xac }, + { .name = "tx_pmac_sz_1024_1526", .offset = 0xad }, + { .name = "tx_pmac_sz_jumbo", .offset = 0xae }, + + { .name = "dr_local", .offset = 0x100 }, + { .name = "dr_tail", .offset = 0x101 }, + { .name = "dr_yellow_prio_0", .offset = 0x102 }, + { .name = "dr_yellow_prio_1", .offset = 0x103 }, + { .name = "dr_yellow_prio_2", .offset = 0x104 }, + { .name = "dr_yellow_prio_3", .offset = 0x105 }, + { .name = "dr_yellow_prio_4", .offset = 0x106 }, + { .name = "dr_yellow_prio_5", .offset = 0x107 }, + { .name = "dr_yellow_prio_6", .offset = 0x108 }, + { .name = "dr_yellow_prio_7", .offset = 0x109 }, + { .name = "dr_green_prio_0", .offset = 0x10a }, + { .name = "dr_green_prio_1", .offset = 0x10b }, + { .name = "dr_green_prio_2", .offset = 0x10c }, + { .name = "dr_green_prio_3", .offset = 0x10d }, + { .name = "dr_green_prio_4", .offset = 0x10e }, + { .name = "dr_green_prio_5", .offset = 0x10f }, + { .name = "dr_green_prio_6", .offset = 0x110 }, + { .name = "dr_green_prio_7", .offset = 0x111 }, +}; + +/* The following numbers are indexes into lan966x_stats_layout[] */ +#define SYS_COUNT_RX_OCT 0 +#define SYS_COUNT_RX_UC 1 +#define SYS_COUNT_RX_MC 2 +#define SYS_COUNT_RX_BC 3 +#define SYS_COUNT_RX_SHORT 4 +#define SYS_COUNT_RX_FRAG 5 +#define SYS_COUNT_RX_JABBER 6 +#define SYS_COUNT_RX_CRC 7 +#define SYS_COUNT_RX_SYMBOL_ERR 8 +#define SYS_COUNT_RX_SZ_64 9 +#define SYS_COUNT_RX_SZ_65_127 10 +#define SYS_COUNT_RX_SZ_128_255 11 +#define SYS_COUNT_RX_SZ_256_511 12 +#define SYS_COUNT_RX_SZ_512_1023 13 +#define SYS_COUNT_RX_SZ_1024_1526 14 +#define SYS_COUNT_RX_SZ_JUMBO 15 +#define SYS_COUNT_RX_PAUSE 16 +#define SYS_COUNT_RX_CONTROL 17 +#define SYS_COUNT_RX_LONG 18 +#define SYS_COUNT_RX_CAT_DROP 19 +#define SYS_COUNT_RX_RED_PRIO_0 20 +#define SYS_COUNT_RX_RED_PRIO_1 21 +#define SYS_COUNT_RX_RED_PRIO_2 22 +#define SYS_COUNT_RX_RED_PRIO_3 23 +#define SYS_COUNT_RX_RED_PRIO_4 24 +#define SYS_COUNT_RX_RED_PRIO_5 25 +#define SYS_COUNT_RX_RED_PRIO_6 26 +#define SYS_COUNT_RX_RED_PRIO_7 27 +#define SYS_COUNT_RX_YELLOW_PRIO_0 28 +#define SYS_COUNT_RX_YELLOW_PRIO_1 29 +#define SYS_COUNT_RX_YELLOW_PRIO_2 30 +#define SYS_COUNT_RX_YELLOW_PRIO_3 31 +#define SYS_COUNT_RX_YELLOW_PRIO_4 32 +#define SYS_COUNT_RX_YELLOW_PRIO_5 33 +#define SYS_COUNT_RX_YELLOW_PRIO_6 34 +#define SYS_COUNT_RX_YELLOW_PRIO_7 35 +#define SYS_COUNT_RX_GREEN_PRIO_0 36 +#define SYS_COUNT_RX_GREEN_PRIO_1 37 +#define SYS_COUNT_RX_GREEN_PRIO_2 38 +#define SYS_COUNT_RX_GREEN_PRIO_3 39 +#define SYS_COUNT_RX_GREEN_PRIO_4 40 +#define SYS_COUNT_RX_GREEN_PRIO_5 41 +#define SYS_COUNT_RX_GREEN_PRIO_6 42 +#define SYS_COUNT_RX_GREEN_PRIO_7 43 +#define SYS_COUNT_RX_ASSEMBLY_ERR 44 +#define SYS_COUNT_RX_SMD_ERR 45 +#define SYS_COUNT_RX_ASSEMBLY_OK 46 +#define SYS_COUNT_RX_MERGE_FRAG 47 +#define SYS_COUNT_RX_PMAC_OCT 48 +#define SYS_COUNT_RX_PMAC_UC 49 +#define SYS_COUNT_RX_PMAC_MC 50 +#define SYS_COUNT_RX_PMAC_BC 51 +#define SYS_COUNT_RX_PMAC_SHORT 52 +#define SYS_COUNT_RX_PMAC_FRAG 53 +#define SYS_COUNT_RX_PMAC_JABBER 54 +#define SYS_COUNT_RX_PMAC_CRC 55 +#define SYS_COUNT_RX_PMAC_SYMBOL_ERR 56 +#define SYS_COUNT_RX_PMAC_SZ_64 57 +#define SYS_COUNT_RX_PMAC_SZ_65_127 58 +#define SYS_COUNT_RX_PMAC_SZ_128_255 59 +#define SYS_COUNT_RX_PMAC_SZ_256_511 60 +#define SYS_COUNT_RX_PMAC_SZ_512_1023 61 +#define SYS_COUNT_RX_PMAC_SZ_1024_1526 62 +#define SYS_COUNT_RX_PMAC_SZ_JUMBO 63 +#define SYS_COUNT_RX_PMAC_PAUSE 64 +#define SYS_COUNT_RX_PMAC_CONTROL 65 +#define SYS_COUNT_RX_PMAC_LONG 66 + +#define SYS_COUNT_TX_OCT 67 +#define SYS_COUNT_TX_UC 68 +#define SYS_COUNT_TX_MC 69 +#define SYS_COUNT_TX_BC 70 +#define SYS_COUNT_TX_COL 71 +#define SYS_COUNT_TX_DROP 72 +#define SYS_COUNT_TX_PAUSE 73 +#define SYS_COUNT_TX_SZ_64 74 +#define SYS_COUNT_TX_SZ_65_127 75 +#define SYS_COUNT_TX_SZ_128_255 76 +#define SYS_COUNT_TX_SZ_256_511 77 +#define SYS_COUNT_TX_SZ_512_1023 78 +#define SYS_COUNT_TX_SZ_1024_1526 79 +#define SYS_COUNT_TX_SZ_JUMBO 80 +#define SYS_COUNT_TX_YELLOW_PRIO_0 81 +#define SYS_COUNT_TX_YELLOW_PRIO_1 82 +#define SYS_COUNT_TX_YELLOW_PRIO_2 83 +#define SYS_COUNT_TX_YELLOW_PRIO_3 84 +#define SYS_COUNT_TX_YELLOW_PRIO_4 85 +#define SYS_COUNT_TX_YELLOW_PRIO_5 86 +#define SYS_COUNT_TX_YELLOW_PRIO_6 87 +#define SYS_COUNT_TX_YELLOW_PRIO_7 88 +#define SYS_COUNT_TX_GREEN_PRIO_0 89 +#define SYS_COUNT_TX_GREEN_PRIO_1 90 +#define SYS_COUNT_TX_GREEN_PRIO_2 91 +#define SYS_COUNT_TX_GREEN_PRIO_3 92 +#define SYS_COUNT_TX_GREEN_PRIO_4 93 +#define SYS_COUNT_TX_GREEN_PRIO_5 94 +#define SYS_COUNT_TX_GREEN_PRIO_6 95 +#define SYS_COUNT_TX_GREEN_PRIO_7 96 +#define SYS_COUNT_TX_AGED 97 +#define SYS_COUNT_TX_LLCT 98 +#define SYS_COUNT_TX_CT 99 +#define SYS_COUNT_TX_MM_HOLD 100 +#define SYS_COUNT_TX_MERGE_FRAG 101 +#define SYS_COUNT_TX_PMAC_OCT 102 +#define SYS_COUNT_TX_PMAC_UC 103 +#define SYS_COUNT_TX_PMAC_MC 104 +#define SYS_COUNT_TX_PMAC_BC 105 +#define SYS_COUNT_TX_PMAC_PAUSE 106 +#define SYS_COUNT_TX_PMAC_SZ_64 107 +#define SYS_COUNT_TX_PMAC_SZ_65_127 108 +#define SYS_COUNT_TX_PMAC_SZ_128_255 109 +#define SYS_COUNT_TX_PMAC_SZ_256_511 110 +#define SYS_COUNT_TX_PMAC_SZ_512_1023 111 +#define SYS_COUNT_TX_PMAC_SZ_1024_1526 112 +#define SYS_COUNT_TX_PMAC_SZ_JUMBO 113 + +#define SYS_COUNT_DR_LOCAL 114 +#define SYS_COUNT_DR_TAIL 115 +#define SYS_COUNT_DR_YELLOW_PRIO_0 116 +#define SYS_COUNT_DR_YELLOW_PRIO_1 117 +#define SYS_COUNT_DR_YELLOW_PRIO_2 118 +#define SYS_COUNT_DR_YELLOW_PRIO_3 119 +#define SYS_COUNT_DR_YELLOW_PRIO_4 120 +#define SYS_COUNT_DR_YELLOW_PRIO_5 121 +#define SYS_COUNT_DR_YELLOW_PRIO_6 122 +#define SYS_COUNT_DR_YELLOW_PRIO_7 123 +#define SYS_COUNT_DR_GREEN_PRIO_0 124 +#define SYS_COUNT_DR_GREEN_PRIO_1 125 +#define SYS_COUNT_DR_GREEN_PRIO_2 126 +#define SYS_COUNT_DR_GREEN_PRIO_3 127 +#define SYS_COUNT_DR_GREEN_PRIO_4 128 +#define SYS_COUNT_DR_GREEN_PRIO_5 129 +#define SYS_COUNT_DR_GREEN_PRIO_6 130 +#define SYS_COUNT_DR_GREEN_PRIO_7 131 + +/* Add a possibly wrapping 32 bit value to a 64 bit counter */ +static void lan966x_add_cnt(u64 *cnt, u32 val) +{ + if (val < (*cnt & U32_MAX)) + *cnt += (u64)1 << 32; /* value has wrapped */ + + *cnt = (*cnt & ~(u64)U32_MAX) + val; +} + +static void lan966x_stats_update(struct lan966x *lan966x) +{ + int i, j; + + mutex_lock(&lan966x->stats_lock); + + for (i = 0; i < lan966x->num_phys_ports; i++) { + uint idx = i * lan966x->num_stats; + + lan_wr(SYS_STAT_CFG_STAT_VIEW_SET(i), + lan966x, SYS_STAT_CFG); + + for (j = 0; j < lan966x->num_stats; j++) { + u32 offset = lan966x->stats_layout[j].offset; + + lan966x_add_cnt(&lan966x->stats[idx++], + lan_rd(lan966x, SYS_CNT(offset))); + } + } + + mutex_unlock(&lan966x->stats_lock); +} + +static int lan966x_get_sset_count(struct net_device *dev, int sset) +{ + struct lan966x_port *port = netdev_priv(dev); + struct lan966x *lan966x = port->lan966x; + + if (sset != ETH_SS_STATS) + return -EOPNOTSUPP; + + return lan966x->num_stats; +} + +static void lan966x_get_strings(struct net_device *netdev, u32 sset, u8 *data) +{ + struct lan966x_port *port = netdev_priv(netdev); + struct lan966x *lan966x = port->lan966x; + int i; + + if (sset != ETH_SS_STATS) + return; + + for (i = 0; i < lan966x->num_stats; i++) + memcpy(data + i * ETH_GSTRING_LEN, + lan966x->stats_layout[i].name, ETH_GSTRING_LEN); +} + +static void lan966x_get_ethtool_stats(struct net_device *dev, + struct ethtool_stats *stats, u64 *data) +{ + struct lan966x_port *port = netdev_priv(dev); + struct lan966x *lan966x = port->lan966x; + int i; + + /* check and update now */ + lan966x_stats_update(lan966x); + + /* Copy all counters */ + for (i = 0; i < lan966x->num_stats; i++) + *data++ = lan966x->stats[port->chip_port * + lan966x->num_stats + i]; +} + +static void lan966x_get_eth_mac_stats(struct net_device *dev, + struct ethtool_eth_mac_stats *mac_stats) +{ + struct lan966x_port *port = netdev_priv(dev); + struct lan966x *lan966x = port->lan966x; + u32 idx; + + lan966x_stats_update(lan966x); + + idx = port->chip_port * lan966x->num_stats; + + mutex_lock(&lan966x->stats_lock); + + mac_stats->FramesTransmittedOK = + lan966x->stats[idx + SYS_COUNT_TX_UC] + + lan966x->stats[idx + SYS_COUNT_TX_MC] + + lan966x->stats[idx + SYS_COUNT_TX_BC] + + lan966x->stats[idx + SYS_COUNT_TX_PMAC_UC] + + lan966x->stats[idx + SYS_COUNT_TX_PMAC_MC] + + lan966x->stats[idx + SYS_COUNT_TX_PMAC_BC]; + mac_stats->SingleCollisionFrames = + lan966x->stats[idx + SYS_COUNT_TX_COL]; + mac_stats->MultipleCollisionFrames = 0; + mac_stats->FramesReceivedOK = + lan966x->stats[idx + SYS_COUNT_RX_UC] + + lan966x->stats[idx + SYS_COUNT_RX_MC] + + lan966x->stats[idx + SYS_COUNT_RX_BC]; + mac_stats->FrameCheckSequenceErrors = + lan966x->stats[idx + SYS_COUNT_RX_CRC] + + lan966x->stats[idx + SYS_COUNT_RX_CRC]; + mac_stats->AlignmentErrors = 0; + mac_stats->OctetsTransmittedOK = + lan966x->stats[idx + SYS_COUNT_TX_OCT] + + lan966x->stats[idx + SYS_COUNT_TX_PMAC_OCT]; + mac_stats->FramesWithDeferredXmissions = + lan966x->stats[idx + SYS_COUNT_TX_MM_HOLD]; + mac_stats->LateCollisions = 0; + mac_stats->FramesAbortedDueToXSColls = 0; + mac_stats->FramesLostDueToIntMACXmitError = 0; + mac_stats->CarrierSenseErrors = 0; + mac_stats->OctetsReceivedOK = + lan966x->stats[idx + SYS_COUNT_RX_OCT]; + mac_stats->FramesLostDueToIntMACRcvError = 0; + mac_stats->MulticastFramesXmittedOK = + lan966x->stats[idx + SYS_COUNT_TX_MC] + + lan966x->stats[idx + SYS_COUNT_TX_PMAC_MC]; + mac_stats->BroadcastFramesXmittedOK = + lan966x->stats[idx + SYS_COUNT_TX_BC] + + lan966x->stats[idx + SYS_COUNT_TX_PMAC_BC]; + mac_stats->FramesWithExcessiveDeferral = 0; + mac_stats->MulticastFramesReceivedOK = + lan966x->stats[idx + SYS_COUNT_RX_MC]; + mac_stats->BroadcastFramesReceivedOK = + lan966x->stats[idx + SYS_COUNT_RX_BC]; + mac_stats->InRangeLengthErrors = + lan966x->stats[idx + SYS_COUNT_RX_FRAG] + + lan966x->stats[idx + SYS_COUNT_RX_JABBER] + + lan966x->stats[idx + SYS_COUNT_RX_CRC] + + lan966x->stats[idx + SYS_COUNT_RX_PMAC_FRAG] + + lan966x->stats[idx + SYS_COUNT_RX_PMAC_JABBER] + + lan966x->stats[idx + SYS_COUNT_RX_PMAC_CRC]; + mac_stats->OutOfRangeLengthField = + lan966x->stats[idx + SYS_COUNT_RX_SHORT] + + lan966x->stats[idx + SYS_COUNT_RX_PMAC_SHORT] + + lan966x->stats[idx + SYS_COUNT_RX_LONG] + + lan966x->stats[idx + SYS_COUNT_RX_PMAC_LONG]; + mac_stats->FrameTooLongErrors = + lan966x->stats[idx + SYS_COUNT_RX_LONG] + + lan966x->stats[idx + SYS_COUNT_RX_PMAC_LONG]; + + mutex_unlock(&lan966x->stats_lock); +} + +static const struct ethtool_rmon_hist_range lan966x_rmon_ranges[] = { + { 0, 64 }, + { 65, 127 }, + { 128, 255 }, + { 256, 511 }, + { 512, 1023 }, + { 1024, 1518 }, + { 1519, 10239 }, + {} +}; + +static void lan966x_get_eth_rmon_stats(struct net_device *dev, + struct ethtool_rmon_stats *rmon_stats, + const struct ethtool_rmon_hist_range **ranges) +{ + struct lan966x_port *port = netdev_priv(dev); + struct lan966x *lan966x = port->lan966x; + u32 idx; + + lan966x_stats_update(lan966x); + + idx = port->chip_port * lan966x->num_stats; + + mutex_lock(&lan966x->stats_lock); + + rmon_stats->undersize_pkts = + lan966x->stats[idx + SYS_COUNT_RX_SHORT] + + lan966x->stats[idx + SYS_COUNT_RX_PMAC_SHORT]; + rmon_stats->oversize_pkts = + lan966x->stats[idx + SYS_COUNT_RX_LONG] + + lan966x->stats[idx + SYS_COUNT_RX_PMAC_LONG]; + rmon_stats->fragments = + lan966x->stats[idx + SYS_COUNT_RX_FRAG] + + lan966x->stats[idx + SYS_COUNT_RX_PMAC_FRAG]; + rmon_stats->jabbers = + lan966x->stats[idx + SYS_COUNT_RX_JABBER] + + lan966x->stats[idx + SYS_COUNT_RX_PMAC_JABBER]; + rmon_stats->hist[0] = + lan966x->stats[idx + SYS_COUNT_RX_SZ_64] + + lan966x->stats[idx + SYS_COUNT_RX_PMAC_SZ_64]; + rmon_stats->hist[1] = + lan966x->stats[idx + SYS_COUNT_RX_SZ_65_127] + + lan966x->stats[idx + SYS_COUNT_RX_PMAC_SZ_65_127]; + rmon_stats->hist[2] = + lan966x->stats[idx + SYS_COUNT_RX_SZ_128_255] + + lan966x->stats[idx + SYS_COUNT_RX_PMAC_SZ_128_255]; + rmon_stats->hist[3] = + lan966x->stats[idx + SYS_COUNT_RX_SZ_256_511] + + lan966x->stats[idx + SYS_COUNT_RX_PMAC_SZ_256_511]; + rmon_stats->hist[4] = + lan966x->stats[idx + SYS_COUNT_RX_SZ_512_1023] + + lan966x->stats[idx + SYS_COUNT_RX_PMAC_SZ_512_1023]; + rmon_stats->hist[5] = + lan966x->stats[idx + SYS_COUNT_RX_SZ_1024_1526] + + lan966x->stats[idx + SYS_COUNT_RX_PMAC_SZ_1024_1526]; + rmon_stats->hist[6] = + lan966x->stats[idx + SYS_COUNT_RX_SZ_1024_1526] + + lan966x->stats[idx + SYS_COUNT_RX_PMAC_SZ_1024_1526]; + + rmon_stats->hist_tx[0] = + lan966x->stats[idx + SYS_COUNT_TX_SZ_64] + + lan966x->stats[idx + SYS_COUNT_TX_PMAC_SZ_64]; + rmon_stats->hist_tx[1] = + lan966x->stats[idx + SYS_COUNT_TX_SZ_65_127] + + lan966x->stats[idx + SYS_COUNT_TX_PMAC_SZ_65_127]; + rmon_stats->hist_tx[2] = + lan966x->stats[idx + SYS_COUNT_TX_SZ_128_255] + + lan966x->stats[idx + SYS_COUNT_TX_PMAC_SZ_128_255]; + rmon_stats->hist_tx[3] = + lan966x->stats[idx + SYS_COUNT_TX_SZ_256_511] + + lan966x->stats[idx + SYS_COUNT_TX_PMAC_SZ_256_511]; + rmon_stats->hist_tx[4] = + lan966x->stats[idx + SYS_COUNT_TX_SZ_512_1023] + + lan966x->stats[idx + SYS_COUNT_TX_PMAC_SZ_512_1023]; + rmon_stats->hist_tx[5] = + lan966x->stats[idx + SYS_COUNT_TX_SZ_1024_1526] + + lan966x->stats[idx + SYS_COUNT_TX_PMAC_SZ_1024_1526]; + rmon_stats->hist_tx[6] = + lan966x->stats[idx + SYS_COUNT_TX_SZ_1024_1526] + + lan966x->stats[idx + SYS_COUNT_TX_PMAC_SZ_1024_1526]; + + mutex_unlock(&lan966x->stats_lock); + + *ranges = lan966x_rmon_ranges; +} + +static int lan966x_get_link_ksettings(struct net_device *ndev, + struct ethtool_link_ksettings *cmd) +{ + struct lan966x_port *port = netdev_priv(ndev); + + return phylink_ethtool_ksettings_get(port->phylink, cmd); +} + +static int lan966x_set_link_ksettings(struct net_device *ndev, + const struct ethtool_link_ksettings *cmd) +{ + struct lan966x_port *port = netdev_priv(ndev); + + return phylink_ethtool_ksettings_set(port->phylink, cmd); +} + +const struct ethtool_ops lan966x_ethtool_ops = { + .get_link_ksettings = lan966x_get_link_ksettings, + .set_link_ksettings = lan966x_set_link_ksettings, + .get_sset_count = lan966x_get_sset_count, + .get_strings = lan966x_get_strings, + .get_ethtool_stats = lan966x_get_ethtool_stats, + .get_eth_mac_stats = lan966x_get_eth_mac_stats, + .get_rmon_stats = lan966x_get_eth_rmon_stats, + .get_link = ethtool_op_get_link, +}; + +static void lan966x_check_stats_work(struct work_struct *work) +{ + struct delayed_work *del_work = to_delayed_work(work); + struct lan966x *lan966x = container_of(del_work, struct lan966x, + stats_work); + + lan966x_stats_update(lan966x); + + queue_delayed_work(lan966x->stats_queue, &lan966x->stats_work, + LAN966X_STATS_CHECK_DELAY); +} + +void lan966x_stats_get(struct net_device *dev, + struct rtnl_link_stats64 *stats) +{ + struct lan966x_port *port = netdev_priv(dev); + struct lan966x *lan966x = port->lan966x; + u32 idx; + int i; + + idx = port->chip_port * lan966x->num_stats; + + mutex_lock(&lan966x->stats_lock); + + stats->rx_bytes = lan966x->stats[idx + SYS_COUNT_RX_OCT] + + lan966x->stats[idx + SYS_COUNT_RX_PMAC_OCT]; + + stats->rx_packets = lan966x->stats[idx + SYS_COUNT_RX_SHORT] + + lan966x->stats[idx + SYS_COUNT_RX_FRAG] + + lan966x->stats[idx + SYS_COUNT_RX_JABBER] + + lan966x->stats[idx + SYS_COUNT_RX_CRC] + + lan966x->stats[idx + SYS_COUNT_RX_SYMBOL_ERR] + + lan966x->stats[idx + SYS_COUNT_RX_SZ_64] + + lan966x->stats[idx + SYS_COUNT_RX_SZ_65_127] + + lan966x->stats[idx + SYS_COUNT_RX_SZ_128_255] + + lan966x->stats[idx + SYS_COUNT_RX_SZ_256_511] + + lan966x->stats[idx + SYS_COUNT_RX_SZ_512_1023] + + lan966x->stats[idx + SYS_COUNT_RX_SZ_1024_1526] + + lan966x->stats[idx + SYS_COUNT_RX_SZ_JUMBO] + + lan966x->stats[idx + SYS_COUNT_RX_LONG] + + lan966x->stats[idx + SYS_COUNT_RX_PMAC_SHORT] + + lan966x->stats[idx + SYS_COUNT_RX_PMAC_FRAG] + + lan966x->stats[idx + SYS_COUNT_RX_PMAC_JABBER] + + lan966x->stats[idx + SYS_COUNT_RX_PMAC_SZ_64] + + lan966x->stats[idx + SYS_COUNT_RX_PMAC_SZ_65_127] + + lan966x->stats[idx + SYS_COUNT_RX_PMAC_SZ_128_255] + + lan966x->stats[idx + SYS_COUNT_RX_PMAC_SZ_256_511] + + lan966x->stats[idx + SYS_COUNT_RX_PMAC_SZ_512_1023] + + lan966x->stats[idx + SYS_COUNT_RX_PMAC_SZ_1024_1526] + + lan966x->stats[idx + SYS_COUNT_RX_PMAC_SZ_JUMBO]; + + stats->multicast = lan966x->stats[idx + SYS_COUNT_RX_MC] + + lan966x->stats[idx + SYS_COUNT_RX_PMAC_MC]; + + stats->rx_errors = lan966x->stats[idx + SYS_COUNT_RX_SHORT] + + lan966x->stats[idx + SYS_COUNT_RX_FRAG] + + lan966x->stats[idx + SYS_COUNT_RX_JABBER] + + lan966x->stats[idx + SYS_COUNT_RX_CRC] + + lan966x->stats[idx + SYS_COUNT_RX_SYMBOL_ERR] + + lan966x->stats[idx + SYS_COUNT_RX_LONG]; + + stats->rx_dropped = dev->stats.rx_dropped + + lan966x->stats[idx + SYS_COUNT_RX_LONG] + + lan966x->stats[idx + SYS_COUNT_DR_LOCAL] + + lan966x->stats[idx + SYS_COUNT_DR_TAIL]; + + for (i = 0; i < LAN966X_NUM_TC; i++) { + stats->rx_dropped += + (lan966x->stats[idx + SYS_COUNT_DR_YELLOW_PRIO_0 + i] + + lan966x->stats[idx + SYS_COUNT_DR_GREEN_PRIO_0 + i]); + } + + /* Get Tx stats */ + stats->tx_bytes = lan966x->stats[idx + SYS_COUNT_TX_OCT] + + lan966x->stats[idx + SYS_COUNT_TX_PMAC_OCT]; + + stats->tx_packets = lan966x->stats[idx + SYS_COUNT_TX_SZ_64] + + lan966x->stats[idx + SYS_COUNT_TX_SZ_65_127] + + lan966x->stats[idx + SYS_COUNT_TX_SZ_128_255] + + lan966x->stats[idx + SYS_COUNT_TX_SZ_256_511] + + lan966x->stats[idx + SYS_COUNT_TX_SZ_512_1023] + + lan966x->stats[idx + SYS_COUNT_TX_SZ_1024_1526] + + lan966x->stats[idx + SYS_COUNT_TX_SZ_JUMBO] + + lan966x->stats[idx + SYS_COUNT_TX_PMAC_SZ_64] + + lan966x->stats[idx + SYS_COUNT_TX_PMAC_SZ_65_127] + + lan966x->stats[idx + SYS_COUNT_TX_PMAC_SZ_128_255] + + lan966x->stats[idx + SYS_COUNT_TX_PMAC_SZ_256_511] + + lan966x->stats[idx + SYS_COUNT_TX_PMAC_SZ_512_1023] + + lan966x->stats[idx + SYS_COUNT_TX_PMAC_SZ_1024_1526] + + lan966x->stats[idx + SYS_COUNT_TX_PMAC_SZ_JUMBO]; + + stats->tx_dropped = lan966x->stats[idx + SYS_COUNT_TX_DROP] + + lan966x->stats[idx + SYS_COUNT_TX_AGED]; + + stats->collisions = lan966x->stats[idx + SYS_COUNT_TX_COL]; + + mutex_unlock(&lan966x->stats_lock); +} + +int lan966x_stats_init(struct lan966x *lan966x) +{ + char queue_name[32]; + + lan966x->stats_layout = lan966x_stats_layout; + lan966x->num_stats = ARRAY_SIZE(lan966x_stats_layout); + lan966x->stats = devm_kcalloc(lan966x->dev, lan966x->num_phys_ports * + lan966x->num_stats, + sizeof(u64), GFP_KERNEL); + if (!lan966x->stats) + return -ENOMEM; + + /* Init stats worker */ + mutex_init(&lan966x->stats_lock); + snprintf(queue_name, sizeof(queue_name), "%s-stats", + dev_name(lan966x->dev)); + lan966x->stats_queue = create_singlethread_workqueue(queue_name); + INIT_DELAYED_WORK(&lan966x->stats_work, lan966x_check_stats_work); + queue_delayed_work(lan966x->stats_queue, &lan966x->stats_work, + LAN966X_STATS_CHECK_DELAY); + + return 0; +} diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_main.c b/drivers/net/ethernet/microchip/lan966x/lan966x_main.c index 4179ae488453..c876587c31d9 100644 --- a/drivers/net/ethernet/microchip/lan966x/lan966x_main.c +++ b/drivers/net/ethernet/microchip/lan966x/lan966x_main.c @@ -373,6 +373,7 @@ static const struct net_device_ops lan966x_port_netdev_ops = { .ndo_change_mtu = lan966x_port_change_mtu, .ndo_set_rx_mode = lan966x_port_set_rx_mode, .ndo_get_phys_port_name = lan966x_port_get_phys_port_name, + .ndo_get_stats64 = lan966x_stats_get, .ndo_set_mac_address = lan966x_port_set_mac_address, .ndo_get_port_parent_id = lan966x_port_get_parent_id, }; @@ -588,6 +589,7 @@ static int lan966x_probe_port(struct lan966x *lan966x, u32 p, dev->max_mtu = ETH_MAX_MTU; dev->netdev_ops = &lan966x_port_netdev_ops; + dev->ethtool_ops = &lan966x_ethtool_ops; dev->needed_headroom = IFH_LEN * sizeof(u32); eth_hw_addr_gen(dev, lan966x->base_mac, p + 1); @@ -874,6 +876,7 @@ static int lan966x_probe(struct platform_device *pdev) /* init switch */ lan966x_init(lan966x); + lan966x_stats_init(lan966x); /* go over the child nodes */ fwnode_for_each_available_child_node(ports, portnp) { @@ -907,6 +910,10 @@ static int lan966x_probe(struct platform_device *pdev) lan966x_cleanup_ports(lan966x); + cancel_delayed_work_sync(&lan966x->stats_work); + destroy_workqueue(lan966x->stats_queue); + mutex_destroy(&lan966x->stats_lock); + return err; } @@ -916,6 +923,10 @@ static int lan966x_remove(struct platform_device *pdev) lan966x_cleanup_ports(lan966x); + cancel_delayed_work_sync(&lan966x->stats_work); + destroy_workqueue(lan966x->stats_queue); + mutex_destroy(&lan966x->stats_lock); + return 0; } diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_main.h b/drivers/net/ethernet/microchip/lan966x/lan966x_main.h index ddac44bfddf7..7e5a3b6f168d 100644 --- a/drivers/net/ethernet/microchip/lan966x/lan966x_main.h +++ b/drivers/net/ethernet/microchip/lan966x/lan966x_main.h @@ -58,6 +58,11 @@ enum macaccess_entry_type { struct lan966x_port; +struct lan966x_stat_layout { + u32 offset; + char name[ETH_GSTRING_LEN]; +}; + struct lan966x { struct device *dev; @@ -70,6 +75,16 @@ struct lan966x { u8 base_mac[ETH_ALEN]; + /* stats */ + const struct lan966x_stat_layout *stats_layout; + u32 num_stats; + + /* workqueue for reading stats */ + struct mutex stats_lock; + u64 *stats; + struct delayed_work stats_work; + struct workqueue_struct *stats_queue; + /* interrupts */ int xtr_irq; }; @@ -101,6 +116,11 @@ struct lan966x_port { extern const struct phylink_mac_ops lan966x_phylink_mac_ops; extern const struct phylink_pcs_ops lan966x_phylink_pcs_ops; +extern const struct ethtool_ops lan966x_ethtool_ops; + +void lan966x_stats_get(struct net_device *dev, + struct rtnl_link_stats64 *stats); +int lan966x_stats_init(struct lan966x *lan966x); void lan966x_port_config_down(struct lan966x_port *port); void lan966x_port_config_up(struct lan966x_port *port); -- 2.33.0