Allow jumbo frames by changing maximum MTU size and number of RX queues. Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx> --- 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 df419112b67a..9cdcac9c56b9 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)) -- 2.34.1
