From patchwork Mon Nov 27 11:53:31 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yoshihiro Shimoda X-Patchwork-Id: 13469448 X-Patchwork-Delegate: kuba@kernel.org Authentication-Results: smtp.subspace.kernel.org; dkim=none Received: from relmlie5.idc.renesas.com (relmlor1.renesas.com [210.160.252.171]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 2AB858F; Mon, 27 Nov 2023 03:53:43 -0800 (PST) X-IronPort-AV: E=Sophos;i="6.04,230,1695654000"; d="scan'208";a="184395880" Received: from unknown (HELO relmlir5.idc.renesas.com) ([10.200.68.151]) by relmlie5.idc.renesas.com with ESMTP; 27 Nov 2023 20:53:40 +0900 Received: from localhost.localdomain (unknown [10.166.13.99]) by relmlir5.idc.renesas.com (Postfix) with ESMTP id 5A038400C4EB; Mon, 27 Nov 2023 20:53:40 +0900 (JST) From: Yoshihiro Shimoda To: s.shtylyov@omp.ru, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com Cc: netdev@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Yoshihiro Shimoda Subject: [PATCH net-next 6/9] net: rswitch: Set GWMDNC register Date: Mon, 27 Nov 2023 20:53:31 +0900 Message-Id: <20231127115334.3670790-7-yoshihiro.shimoda.uh@renesas.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20231127115334.3670790-1-yoshihiro.shimoda.uh@renesas.com> References: <20231127115334.3670790-1-yoshihiro.shimoda.uh@renesas.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-Delegate: kuba@kernel.org To support jumbo frames, set GWMDNC register with acceptable maximum values for TX and RX. Signed-off-by: Yoshihiro Shimoda --- drivers/net/ethernet/renesas/rswitch.c | 2 ++ drivers/net/ethernet/renesas/rswitch.h | 4 ++++ 2 files changed, 6 insertions(+) diff --git a/drivers/net/ethernet/renesas/rswitch.c b/drivers/net/ethernet/renesas/rswitch.c index f94c76161794..d24ba2411d5e 100644 --- a/drivers/net/ethernet/renesas/rswitch.c +++ b/drivers/net/ethernet/renesas/rswitch.c @@ -667,6 +667,8 @@ static int rswitch_gwca_hw_init(struct rswitch_private *priv) iowrite32(upper_32_bits(priv->gwca.linkfix_table_dma), priv->addr + GWDCBAC0); iowrite32(lower_32_bits(priv->gwca.ts_queue.ring_dma), priv->addr + GWTDCAC10); iowrite32(upper_32_bits(priv->gwca.ts_queue.ring_dma), priv->addr + GWTDCAC00); + iowrite32(GWMDNC_TSDMN(1) | GWMDNC_TXDMN(0x1e) | GWMDNC_RXDMN(0x1f), + priv->addr + GWMDNC); iowrite32(GWCA_TS_IRQ_BIT, priv->addr + GWTSDCC0); iowrite32(GWTPC_PPPL(GWCA_IPV_NUM), priv->addr + GWTPC0); diff --git a/drivers/net/ethernet/renesas/rswitch.h b/drivers/net/ethernet/renesas/rswitch.h index 2ac9a86b6238..17e617ec4187 100644 --- a/drivers/net/ethernet/renesas/rswitch.h +++ b/drivers/net/ethernet/renesas/rswitch.h @@ -773,6 +773,10 @@ enum rswitch_gwca_mode { #define GWARIRM_ARIOG BIT(0) #define GWARIRM_ARR BIT(1) +#define GWMDNC_TSDMN(num) (((num) << 16) & GENMASK(17, 16)) +#define GWMDNC_TXDMN(num) (((num) << 8) & GENMASK(12, 8)) +#define GWMDNC_RXDMN(num) ((num) & GENMASK(4, 0)) + #define GWDCC_BALR BIT(24) #define GWDCC_DCP_MASK GENMASK(18, 16) #define GWDCC_DCP(prio) FIELD_PREP(GWDCC_DCP_MASK, (prio))