openwrt/target/linux/brcm2708/patches-4.19/950-0541-bcmgenet-Better-coalescing-parameter-defaults.patch
Koen Vandeputte 7533087565 kernel: bump 4.19 to 4.19.84
Refreshed all patches.

Altered patches:
- 950-0748-net-bcmgenet-Workaround-for-Pi-4B-network-issue.patch
- 950-0754-Revert-net-bcmgenet-Workaround-for-Pi-4B-network-iss.patch
- 902-debloat_proc.patch

Remove upstreamed:
- 150-MIPS-bmips-mark-exception-vectors-as-char-arrays.patch

New symbols:
X86_INTEL_MPX
X86_INTEL_MEMORY_PROTECTION_KEYS
X86_INTEL_TSX_MODE_OFF
X86_INTEL_TSX_MODE_ON
X86_INTEL_TSX_MODE_AUTO

Compile-tested on: cns3xxx, x86_64
Runtime-tested on: cns3xxx

Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
2019-11-19 14:59:03 +01:00

44 lines
1.7 KiB
Diff

From bb3075a2edb5c55d0ea7470da8bb44cc9f36aa02 Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.org>
Date: Wed, 27 Mar 2019 13:45:46 +0000
Subject: [PATCH 541/806] bcmgenet: Better coalescing parameter defaults
Set defaults for TX and RX packet coalescing to be equivalent to:
# ethtool -C eth0 tx-frames 10
# ethtool -C eth0 rx-usecs 50
This may be something we want to set via DT parameters in the
future.
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
---
drivers/net/ethernet/broadcom/genet/bcmgenet.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -2149,7 +2149,7 @@ static void bcmgenet_init_tx_ring(struct
bcmgenet_tdma_ring_writel(priv, index, 0, TDMA_PROD_INDEX);
bcmgenet_tdma_ring_writel(priv, index, 0, TDMA_CONS_INDEX);
- bcmgenet_tdma_ring_writel(priv, index, 1, DMA_MBUF_DONE_THRESH);
+ bcmgenet_tdma_ring_writel(priv, index, 10, DMA_MBUF_DONE_THRESH);
/* Disable rate control for now */
bcmgenet_tdma_ring_writel(priv, index, flow_period_val,
TDMA_FLOW_PERIOD);
@@ -3576,9 +3576,12 @@ static int bcmgenet_probe(struct platfor
netif_set_real_num_rx_queues(priv->dev, priv->hw_params->rx_queues + 1);
/* Set default coalescing parameters */
- for (i = 0; i < priv->hw_params->rx_queues; i++)
+ for (i = 0; i < priv->hw_params->rx_queues; i++) {
priv->rx_rings[i].rx_max_coalesced_frames = 1;
+ priv->rx_rings[i].rx_coalesce_usecs = 50;
+ }
priv->rx_rings[DESC_INDEX].rx_max_coalesced_frames = 1;
+ priv->rx_rings[DESC_INDEX].rx_coalesce_usecs = 50;
/* libphy will determine the link state */
netif_carrier_off(dev);