From patchwork Mon Aug 2 10:26:50 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Biju Das X-Patchwork-Id: 490621 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0D022C4320A for ; Mon, 2 Aug 2021 10:27:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EBB2060F9E for ; Mon, 2 Aug 2021 10:27:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233259AbhHBK1h (ORCPT ); Mon, 2 Aug 2021 06:27:37 -0400 Received: from relmlor1.renesas.com ([210.160.252.171]:13101 "EHLO relmlie5.idc.renesas.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S233258AbhHBK1g (ORCPT ); Mon, 2 Aug 2021 06:27:36 -0400 X-IronPort-AV: E=Sophos;i="5.84,288,1620658800"; d="scan'208";a="89548954" Received: from unknown (HELO relmlir5.idc.renesas.com) ([10.200.68.151]) by relmlie5.idc.renesas.com with ESMTP; 02 Aug 2021 19:27:26 +0900 Received: from localhost.localdomain (unknown [10.226.92.138]) by relmlir5.idc.renesas.com (Postfix) with ESMTP id 627B24006DF1; Mon, 2 Aug 2021 19:27:21 +0900 (JST) From: Biju Das To: "David S. Miller" , Jakub Kicinski Cc: Biju Das , Sergei Shtylyov , Geert Uytterhoeven , Sergey Shtylyov , Adam Ford , Andrew Lunn , Yuusuke Ashizuka , Yoshihiro Shimoda , netdev@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Chris Paterson , Biju Das , Prabhakar Mahadev Lad Subject: [PATCH net-next v2 4/8] ravb: Add stats_len to struct ravb_hw_info Date: Mon, 2 Aug 2021 11:26:50 +0100 Message-Id: <20210802102654.5996-5-biju.das.jz@bp.renesas.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210802102654.5996-1-biju.das.jz@bp.renesas.com> References: <20210802102654.5996-1-biju.das.jz@bp.renesas.com> Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org R-Car provides 30 device stats, whereas RZ/G2L provides only 15. In addition, RZ/G2L has stats "rx_queue_0_csum_offload_errors" instead of "rx_queue_0_missed_errors". Replace RAVB_STATS_LEN macro with a structure variable stats_len to struct ravb_hw_info, to support subsequent SoCs without any code changes to the ravb_get_sset_count function. Signed-off-by: Biju Das Reviewed-by: Lad Prabhakar Reviewed-by: ergei Shtylyov Reviewed-by: Sergei Shtylyov --- v2: * Incorporated Andrew and Sergei's review comments for making it smaller patch and provided detailed description. --- drivers/net/ethernet/renesas/ravb.h | 1 + drivers/net/ethernet/renesas/ravb_main.c | 9 ++++++--- 2 files changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/renesas/ravb.h b/drivers/net/ethernet/renesas/ravb.h index 38552e0319d3..a42c34eaebc2 100644 --- a/drivers/net/ethernet/renesas/ravb.h +++ b/drivers/net/ethernet/renesas/ravb.h @@ -992,6 +992,7 @@ struct ravb_hw_info { enum ravb_chip_id chip_id; int num_gstat_queue; int num_tx_desc; + int stats_len; size_t skb_sz; }; diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c index 30132693edd7..baeb868b07ed 100644 --- a/drivers/net/ethernet/renesas/ravb_main.c +++ b/drivers/net/ethernet/renesas/ravb_main.c @@ -1133,13 +1133,14 @@ static const char ravb_gstrings_stats[][ETH_GSTRING_LEN] = { "rx_queue_1_over_errors", }; -#define RAVB_STATS_LEN ARRAY_SIZE(ravb_gstrings_stats) - static int ravb_get_sset_count(struct net_device *netdev, int sset) { + struct ravb_private *priv = netdev_priv(netdev); + const struct ravb_hw_info *info = priv->info; + switch (sset) { case ETH_SS_STATS: - return RAVB_STATS_LEN; + return info->stats_len; default: return -EOPNOTSUPP; } @@ -1929,6 +1930,7 @@ static const struct ravb_hw_info ravb_gen3_hw_info = { .chip_id = RCAR_GEN3, .num_gstat_queue = NUM_RX_QUEUE, .num_tx_desc = NUM_TX_DESC_GEN3, + .stats_len = ARRAY_SIZE(ravb_gstrings_stats), .skb_sz = RX_BUF_SZ + RAVB_ALIGN - 1, }; @@ -1936,6 +1938,7 @@ static const struct ravb_hw_info ravb_gen2_hw_info = { .chip_id = RCAR_GEN2, .num_gstat_queue = NUM_RX_QUEUE, .num_tx_desc = NUM_TX_DESC_GEN2, + .stats_len = ARRAY_SIZE(ravb_gstrings_stats), .skb_sz = RX_BUF_SZ + RAVB_ALIGN - 1, };