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net: ethernet: mtk_eth_soc: revise QDMA packet scheduler settings

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The QDMA packet scheduler suffers from a performance issue.
Fix this by picking up changes from MediaTek's SDK which change to use
Token Bucket instead of Leaky Bucket and fix the SPEED_1000 configuration.

Fixes: 160d3a9b19 ("net: ethernet: mtk_eth_soc: introduce MTK_NETSYS_V2 support")
Signed-off-by: Bo-Cun Chen <bc-bocun.chen@mediatek.com>
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Link: https://patch.msgid.link/18040f60f9e2f5855036b75b28c4332a2d2ebdd8.1744764277.git.daniel@makrotopia.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Bo-Cun Chen 2025-04-16 01:51:25 +01:00 committed by Jakub Kicinski
parent 6b02eb372c
commit 1b66124135
1 changed files with 3 additions and 3 deletions
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6
drivers/net/ethernet/mediatek/mtk_eth_soc.c
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@ -762,8 +762,8 @@ static void mtk_set_queue_speed(struct mtk_eth *eth, unsigned int idx,
break;
case SPEED_1000:
val |= MTK_QTX_SCH_MAX_RATE_EN |
FIELD_PREP(MTK_QTX_SCH_MAX_RATE_MAN, 10) |
FIELD_PREP(MTK_QTX_SCH_MAX_RATE_EXP, 5) |
FIELD_PREP(MTK_QTX_SCH_MAX_RATE_MAN, 1) |
FIELD_PREP(MTK_QTX_SCH_MAX_RATE_EXP, 6) |
FIELD_PREP(MTK_QTX_SCH_MAX_RATE_WEIGHT, 10);
break;
default:
@ -3320,7 +3320,7 @@ static int mtk_start_dma(struct mtk_eth *eth)
if (mtk_is_netsys_v2_or_greater(eth))
val |= MTK_MUTLI_CNT | MTK_RESV_BUF |
MTK_WCOMP_EN | MTK_DMAD_WR_WDONE |
MTK_CHK_DDONE_EN | MTK_LEAKY_BUCKET_EN;
MTK_CHK_DDONE_EN;
else
val |= MTK_RX_BT_32DWORDS;
mtk_w32(eth, val, reg_map->qdma.glo_cfg);