From patchwork Tue Oct 15 13:36:25 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Barker X-Patchwork-Id: 13836438 X-Patchwork-Delegate: geert@linux-m68k.org Received: from relmlie6.idc.renesas.com (relmlor2.renesas.com [210.160.252.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 1C5781B2186; Tue, 15 Oct 2024 13:37:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=210.160.252.172 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728999427; cv=none; b=bC8a7b/2s6DCeUOFXkJTO4zZIZ+S4KYAwdoUR20nnZaoIqTV2ubzQsb2M5sgN2h/KAHOyJli2h1ltjlj4+mkc27GHhFAKAG1LUtm7EElb7GiPLOlV/fjcfhlAvsQD8mMkdug0gOtV+8SOQ81aEDOIUMCaNeDk8sMFRh2s8B1idI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728999427; c=relaxed/simple; bh=cIPF8O6w578TCBywYCIAJCizeQZcSmWc+2nIE5wE4G4=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=uXwJzmT316tuTbNiZaNi2yfrivc6M9nL1qq9NKcE4hyGfXAXltxF5XXw3JV4nJKvb0ZVAIjcq3e8ESaWHtBh1W/sjsd2Qn0vcjiUkdQtXR/oqUod4T/aIke+XF+yMxqMR5u8TXxQC6Rik5psHACU91prm/lbSaujr055aIqIe+8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=bp.renesas.com; spf=pass smtp.mailfrom=bp.renesas.com; arc=none smtp.client-ip=210.160.252.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=bp.renesas.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bp.renesas.com X-IronPort-AV: E=Sophos;i="6.11,205,1725289200"; d="scan'208";a="225980124" Received: from unknown (HELO relmlir5.idc.renesas.com) ([10.200.68.151]) by relmlie6.idc.renesas.com with ESMTP; 15 Oct 2024 22:37:04 +0900 Received: from GBR-5CG2373LKG.adwin.renesas.com (unknown [10.226.93.176]) by relmlir5.idc.renesas.com (Postfix) with ESMTP id 361FC400755A; Tue, 15 Oct 2024 22:36:50 +0900 (JST) From: Paul Barker To: Sergey Shtylyov , "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni Cc: Paul Barker , Geert Uytterhoeven , =?utf-8?q?Niklas_S=C3=B6derlu?= =?utf-8?q?nd?= , Biju Das , Claudiu Beznea , netdev@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [net-next PATCH v2 01/10] net: ravb: Factor out checksum offload enable bits Date: Tue, 15 Oct 2024 14:36:25 +0100 Message-Id: <20241015133634.193-2-paul.barker.ct@bp.renesas.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20241015133634.193-1-paul.barker.ct@bp.renesas.com> References: <20241015133634.193-1-paul.barker.ct@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-renesas-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 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 --- 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 a7de5cf6b317..4e1e0a754cd9 100644 --- a/drivers/net/ethernet/renesas/ravb.h +++ b/drivers/net/ethernet/renesas/ravb.h @@ -998,6 +998,8 @@ 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, @@ -1012,6 +1014,8 @@ 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 41f88f8836f8..c8988c0c85a1 100644 --- a/drivers/net/ethernet/renesas/ravb_main.c +++ b/drivers/net/ethernet/renesas/ravb_main.c @@ -504,11 +504,10 @@ 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: @@ -2531,7 +2530,7 @@ 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; @@ -2542,7 +2541,7 @@ 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;