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8299d1f057
Rebased RPi foundation patches on linux 5.10.59, removed applied and reverted patches, wireless patches and defconfig patches. bcm2708: boot tested on RPi B+ v1.2 bcm2709: boot tested on RPi 4B v1.1 4G bcm2711: boot tested on RPi 4B v1.1 4G Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
44 lines
1.7 KiB
Diff
44 lines
1.7 KiB
Diff
From c69b192667d50c317bab33e283e7cfce1622e499 Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.org>
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Date: Wed, 27 Mar 2019 13:45:46 +0000
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Subject: [PATCH] bcmgenet: Better coalescing parameter defaults
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Set defaults for TX and RX packet coalescing to be equivalent to:
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# ethtool -C eth0 tx-frames 10
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# ethtool -C eth0 rx-usecs 50
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This may be something we want to set via DT parameters in the
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future.
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Signed-off-by: Phil Elwell <phil@raspberrypi.org>
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---
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drivers/net/ethernet/broadcom/genet/bcmgenet.c | 7 +++++--
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1 file changed, 5 insertions(+), 2 deletions(-)
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--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
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+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
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@@ -2595,7 +2595,7 @@ static void bcmgenet_init_tx_ring(struct
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bcmgenet_tdma_ring_writel(priv, index, 0, TDMA_PROD_INDEX);
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bcmgenet_tdma_ring_writel(priv, index, 0, TDMA_CONS_INDEX);
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- bcmgenet_tdma_ring_writel(priv, index, 1, DMA_MBUF_DONE_THRESH);
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+ bcmgenet_tdma_ring_writel(priv, index, 10, DMA_MBUF_DONE_THRESH);
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/* Disable rate control for now */
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bcmgenet_tdma_ring_writel(priv, index, flow_period_val,
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TDMA_FLOW_PERIOD);
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@@ -4058,9 +4058,12 @@ static int bcmgenet_probe(struct platfor
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netif_set_real_num_rx_queues(priv->dev, priv->hw_params->rx_queues + 1);
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/* Set default coalescing parameters */
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- for (i = 0; i < priv->hw_params->rx_queues; i++)
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+ for (i = 0; i < priv->hw_params->rx_queues; i++) {
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priv->rx_rings[i].rx_max_coalesced_frames = 1;
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+ priv->rx_rings[i].rx_coalesce_usecs = 50;
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+ }
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priv->rx_rings[DESC_INDEX].rx_max_coalesced_frames = 1;
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+ priv->rx_rings[DESC_INDEX].rx_coalesce_usecs = 50;
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/* libphy will determine the link state */
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netif_carrier_off(dev);
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