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realtek: Increase maximum RX ring buffer length

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Increase the maximum ring buffer length in order to improve
performance on RTL839x devices.

Signed-off-by: Birger Koblitz <git@birger-koblitz.de>
This commit is contained in:
Birger Koblitz 2021-09-05 20:22:59 +02:00 committed by John Crispin
parent 9eab76c84e
commit 2ab4d40293
1 changed files with 5 additions and 4 deletions
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9
target/linux/realtek/files-5.10/drivers/net/ethernet/rtl838x_eth.c
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@ -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);