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From: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
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 <yoshihiro.shimoda.uh@renesas.com>
Subject: [PATCH net-next v5 9/9] net: rswitch: Allow jumbo frames
Date: Fri,  8 Dec 2023 13:10:30 +0900	[thread overview]
Message-ID: <20231208041030.2497657-10-yoshihiro.shimoda.uh@renesas.com> (raw)
In-Reply-To: <20231208041030.2497657-1-yoshihiro.shimoda.uh@renesas.com>

Allow jumbo frames by changing maximum MTU size and number of RX queues.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
---
 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 d43f705f410b..dcab638c57fe 100644
--- a/drivers/net/ethernet/renesas/rswitch.c
+++ b/drivers/net/ethernet/renesas/rswitch.c
@@ -1883,6 +1883,8 @@ 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))
-- 
2.25.1


  parent reply	other threads:[~2023-12-08  4:10 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-12-08  4:10 [PATCH net-next v5 0/9] net: rswitch: Add jumbo frames support Yoshihiro Shimoda
2023-12-08  4:10 ` [PATCH net-next v5 1/9] net: rswitch: Drop unused argument/return value Yoshihiro Shimoda
2023-12-08  4:10 ` [PATCH net-next v5 2/9] net: rswitch: Use unsigned int for desc related array index Yoshihiro Shimoda
2023-12-08  4:10 ` [PATCH net-next v5 3/9] net: rswitch: Use build_skb() for RX Yoshihiro Shimoda
2023-12-08  4:10 ` [PATCH net-next v5 4/9] net: rswitch: Add unmap_addrs instead of dma address in each desc Yoshihiro Shimoda
2023-12-08  4:10 ` [PATCH net-next v5 5/9] net: rswitch: Add a setting ext descriptor function Yoshihiro Shimoda
2023-12-08  4:10 ` [PATCH net-next v5 6/9] net: rswitch: Set GWMDNC register Yoshihiro Shimoda
2023-12-08  4:10 ` [PATCH net-next v5 7/9] net: rswitch: Add jumbo frames handling for RX Yoshihiro Shimoda
2023-12-08  4:10 ` [PATCH net-next v5 8/9] net: rswitch: Add jumbo frames handling for TX Yoshihiro Shimoda
2023-12-08  4:10 ` Yoshihiro Shimoda [this message]
2023-12-10 19:40 ` [PATCH net-next v5 0/9] net: rswitch: Add jumbo frames support patchwork-bot+netdevbpf

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