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 <git@birger-koblitz.de>

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 4711efbcdc364c61fbbed690be4fefb089c47df4..dfec2e55eee091fd72782c00eec86afdbdb294c7 100644 (file)
--- 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);