From patchwork Thu Feb 27 15:34:04 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Barker X-Patchwork-Id: 13994783 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 aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8E830C19F2E for ; Thu, 27 Feb 2025 15:34:30 +0000 (UTC) Received: from relmlie6.idc.renesas.com (relmlie6.idc.renesas.com [210.160.252.172]) by mx.groups.io with SMTP id smtpd.web11.13399.1740670465718438509 for ; Thu, 27 Feb 2025 07:34:30 -0800 Authentication-Results: mx.groups.io; dkim=none (message not signed); spf=pass (domain: bp.renesas.com, ip: 210.160.252.172, mailfrom: paul.barker.ct@bp.renesas.com) X-CSE-ConnectionGUID: v1U3r1RwR+icxu+tO4Wl1Q== X-CSE-MsgGUID: Y8yBtSwoTcyhavojA6rn8w== Received: from unknown (HELO relmlir5.idc.renesas.com) ([10.200.68.151]) by relmlie6.idc.renesas.com with ESMTP; 28 Feb 2025 00:34:29 +0900 Received: from rz-ub2404.betafive.net (unknown [10.226.93.138]) by relmlir5.idc.renesas.com (Postfix) with ESMTP id CD383402CEAC; Fri, 28 Feb 2025 00:34:27 +0900 (JST) From: Paul Barker To: Pavel Machek , Nobuhiro Iwamatsu Cc: cip-dev@lists.cip-project.org Subject: [PATCH 6.1.y-cip 03/12] net: ravb: Factor out checksum offload enable bits Date: Thu, 27 Feb 2025 15:34:04 +0000 Message-ID: <20250227153413.686812-4-paul.barker.ct@bp.renesas.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250227153413.686812-1-paul.barker.ct@bp.renesas.com> References: <20250227153413.686812-1-paul.barker.ct@bp.renesas.com> MIME-Version: 1.0 List-Id: X-Webhook-Received: from li982-79.members.linode.com [45.33.32.79] by aws-us-west-2-korg-lkml-1.web.codeaurora.org with HTTPS for ; Thu, 27 Feb 2025 15:34:30 -0000 X-Groupsio-URL: https://lists.cip-project.org/g/cip-dev/message/17967 commit 8e3037924a36505531999df8f5847a68b9272c41 upstream. Introduce new constants for the CSR1 (TX) and CSR2 (RX) checksum enable bits, removing the risk of inconsistency when we change which flags we enable. Reviewed-by: Sergey Shtylyov Signed-off-by: Paul Barker Signed-off-by: Andrew Lunn Signed-off-by: Paul Barker --- drivers/net/ethernet/renesas/ravb.h | 4 ++++ drivers/net/ethernet/renesas/ravb_main.c | 9 ++++----- 2 files changed, 8 insertions(+), 5 deletions(-) diff --git a/drivers/net/ethernet/renesas/ravb.h b/drivers/net/ethernet/renesas/ravb.h index 0e3de5117bca..e3a8c3fa8d08 100644 --- a/drivers/net/ethernet/renesas/ravb.h +++ b/drivers/net/ethernet/renesas/ravb.h @@ -997,6 +997,8 @@ enum CSR1_BIT { CSR1_TDHD = 0x08000000, }; +#define CSR1_CSUM_ENABLE (CSR1_TIP4 | CSR1_TTCP4 | CSR1_TUDP4) + enum CSR2_BIT { CSR2_RIP4 = 0x00000001, CSR2_RTCP4 = 0x00000010, @@ -1011,6 +1013,8 @@ enum CSR2_BIT { CSR2_RDHD = 0x08000000, }; +#define CSR2_CSUM_ENABLE (CSR2_RIP4 | CSR2_RTCP4 | CSR2_RUDP4 | CSR2_RICMP4) + #define DBAT_ENTRY_NUM 22 #define RX_QUEUE_OFFSET 4 #define NUM_RX_QUEUE 2 diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c index 5cd72098d1be..72578e84bd83 100644 --- a/drivers/net/ethernet/renesas/ravb_main.c +++ b/drivers/net/ethernet/renesas/ravb_main.c @@ -517,11 +517,10 @@ static void ravb_csum_init_gbeth(struct net_device *ndev) ndev->features &= ~NETIF_F_RXCSUM; } else { if (tx_enable) - ravb_write(ndev, CSR1_TIP4 | CSR1_TTCP4 | CSR1_TUDP4, CSR1); + ravb_write(ndev, CSR1_CSUM_ENABLE, CSR1); if (rx_enable) - ravb_write(ndev, CSR2_RIP4 | CSR2_RTCP4 | CSR2_RUDP4 | CSR2_RICMP4, - CSR2); + ravb_write(ndev, CSR2_CSUM_ENABLE, CSR2); } done: @@ -2547,7 +2546,7 @@ static int ravb_set_features_gbeth(struct net_device *ndev, spin_lock_irqsave(&priv->lock, flags); if (changed & NETIF_F_RXCSUM) { if (features & NETIF_F_RXCSUM) - val = CSR2_RIP4 | CSR2_RTCP4 | CSR2_RUDP4 | CSR2_RICMP4; + val = CSR2_CSUM_ENABLE; else val = 0; @@ -2558,7 +2557,7 @@ static int ravb_set_features_gbeth(struct net_device *ndev, if (changed & NETIF_F_HW_CSUM) { if (features & NETIF_F_HW_CSUM) - val = CSR1_TIP4 | CSR1_TTCP4 | CSR1_TUDP4; + val = CSR1_CSUM_ENABLE; else val = 0;