From 2ab4d4029386849664d152949188c40590cfdd5f Mon Sep 17 00:00:00 2001 From: Birger Koblitz Date: Sun, 5 Sep 2021 20:22:59 +0200 Subject: [PATCH] realtek: Increase maximum RX ring buffer length Increase the maximum ring buffer length in order to improve performance on RTL839x devices. Signed-off-by: Birger Koblitz --- .../files-5.10/drivers/net/ethernet/rtl838x_eth.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/target/linux/realtek/files-5.10/drivers/net/ethernet/rtl838x_eth.c b/target/linux/realtek/files-5.10/drivers/net/ethernet/rtl838x_eth.c index 4711efbcdc3..dfec2e55eee 100644 --- a/target/linux/realtek/files-5.10/drivers/net/ethernet/rtl838x_eth.c +++ b/target/linux/realtek/files-5.10/drivers/net/ethernet/rtl838x_eth.c @@ -30,11 +30,12 @@ extern struct rtl83xx_soc_info soc_info; * Maximum number of RX rings is 8 on RTL83XX and 32 on the 93XX * The ring is assigned by switch based on packet/port priortity * Maximum number of TX rings is 2, Ring 2 being the high priority - * ring on the RTL93xx SoCs. MAX_RING_SIZE * RING_BUFFER gives - * the memory used for the ring buffer. + * ring on the RTL93xx SoCs. MAX_RXLEN gives the maximum length + * for an RX ring, MAX_ENTRIES the maximum number of entries + * available in total for all queues. */ #define MAX_RXRINGS 32 -#define MAX_RXLEN 100 +#define MAX_RXLEN 200 #define MAX_ENTRIES (200 * 8) #define TXRINGS 2 #define TXRINGLEN 160 @@ -437,7 +438,7 @@ static irqreturn_t rtl83xx_net_irq(int irq, void *dev_id) /* RX buffer overrun */ if (status & 0x000ff) { - pr_info("RX buffer overrun: status %x, mask: %x\n", + pr_debug("RX buffer overrun: status %x, mask: %x\n", status, sw_r32(priv->r->dma_if_intr_msk)); sw_w32(status, priv->r->dma_if_intr_sts); rtl838x_rb_cleanup(priv, status & 0xff); -- 2.30.2