From patchwork Fri Dec 1 05:46:55 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yoshihiro Shimoda X-Patchwork-Id: 13475409 X-Patchwork-Delegate: geert@linux-m68k.org Received: from relmlie6.idc.renesas.com (relmlor2.renesas.com [210.160.252.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 190421724; Thu, 30 Nov 2023 21:47:05 -0800 (PST) X-IronPort-AV: E=Sophos;i="6.04,240,1695654000"; d="scan'208";a="188815812" Received: from unknown (HELO relmlir6.idc.renesas.com) ([10.200.68.152]) by relmlie6.idc.renesas.com with ESMTP; 01 Dec 2023 14:47:01 +0900 Received: from localhost.localdomain (unknown [10.166.13.99]) by relmlir6.idc.renesas.com (Postfix) with ESMTP id 1A21C403FE26; Fri, 1 Dec 2023 14:47:01 +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 v2 9/9] net: rswitch: Allow jumbo frames Date: Fri, 1 Dec 2023 14:46:55 +0900 Message-Id: <20231201054655.3731772-10-yoshihiro.shimoda.uh@renesas.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20231201054655.3731772-1-yoshihiro.shimoda.uh@renesas.com> References: <20231201054655.3731772-1-yoshihiro.shimoda.uh@renesas.com> Precedence: bulk X-Mailing-List: linux-renesas-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Allow jumbo frames by changing maximum MTU size and number of RX queues. Signed-off-by: Yoshihiro Shimoda --- drivers/net/ethernet/renesas/rswitch.c | 2 ++ drivers/net/ethernet/renesas/rswitch.h | 3 ++- 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/renesas/rswitch.c b/drivers/net/ethernet/renesas/rswitch.c index c5e3ee8f82bc..f55e15987dce 100644 --- a/drivers/net/ethernet/renesas/rswitch.c +++ b/drivers/net/ethernet/renesas/rswitch.c @@ -1882,6 +1882,8 @@ static int rswitch_device_alloc(struct rswitch_private *priv, unsigned int index snprintf(ndev->name, IFNAMSIZ, "tsn%d", index); ndev->netdev_ops = &rswitch_netdev_ops; ndev->ethtool_ops = &rswitch_ethtool_ops; + ndev->max_mtu = RSWITCH_MAX_MTU; + ndev->min_mtu = ETH_MIN_MTU; netif_napi_add(ndev, &rdev->napi, rswitch_poll); diff --git a/drivers/net/ethernet/renesas/rswitch.h b/drivers/net/ethernet/renesas/rswitch.h index 4252677e2a55..72e3ff596d31 100644 --- a/drivers/net/ethernet/renesas/rswitch.h +++ b/drivers/net/ethernet/renesas/rswitch.h @@ -26,9 +26,10 @@ else #define TX_RING_SIZE 1024 -#define RX_RING_SIZE 1024 +#define RX_RING_SIZE 4096 #define TS_RING_SIZE (TX_RING_SIZE * RSWITCH_NUM_PORTS) +#define RSWITCH_MAX_MTU 9600 #define RSWITCH_HEADROOM (NET_SKB_PAD + NET_IP_ALIGN) #define RSWITCH_DESC_BUF_SIZE 2048 #define RSWITCH_TAILROOM SKB_DATA_ALIGN(sizeof(struct skb_shared_info))