ExternalVendorCode/openwrt
1
0
Fork 0
mirror of https://github.com/openwrt/openwrt.git synced 2025-01-22 04:18:10 +00:00
Code Issues Actions 7 Packages Projects Releases Wiki Activity

mediatek/ramips: add patch to avoid unnecessary rearming of interrupts

Browse Source 
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: maurerr <mariusd84@gmail.com>
This commit is contained in:
Felix Fietkau 2020-09-04 18:30:07 +02:00 committed by maurerr
parent 893096fb55
commit fa36a4d30f
3 changed files with 45 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

35
target/linux/generic/pending-5.4/770-11-net-ethernet-mtk_eth_soc-avoid-rearming-interrupt-if.pa Normal file
View File

@ -0,0 +1,35 @@
From: Felix Fietkau <nbd@nbd.name>
Date: Fri, 4 Sep 2020 18:14:05 +0200
Subject: [PATCH] net: ethernet: mtk_eth_soc: avoid rearming interrupt if
napi_complete returns false
Reduces unnecessary interrupts
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -1512,8 +1512,8 @@ static int mtk_napi_tx(struct napi_struc
if (status & MTK_TX_DONE_INT)
return budget;
- napi_complete(napi);
- mtk_tx_irq_enable(eth, MTK_TX_DONE_INT);
+ if (napi_complete(napi))
+ mtk_tx_irq_enable(eth, MTK_TX_DONE_INT);
return tx_done;
}
@@ -1546,8 +1546,9 @@ poll_again:
remain_budget -= rx_done;
goto poll_again;
}
- napi_complete(napi);
- mtk_rx_irq_enable(eth, MTK_RX_DONE_INT);
+
+ if (napi_complete(napi))
+ mtk_rx_irq_enable(eth, MTK_RX_DONE_INT);
return rx_done + budget - remain_budget;
}

10
target/linux/mediatek/patches-5.4/0999-hnat.patch
View File

@ -166,7 +166,7 @@
skip_rx:
ring->data[idx] = new_data;
@@ -2250,6 +2260,9 @@ static int mtk_open(struct net_device *d
@@ -2251,6 +2261,9 @@ static int mtk_open(struct net_device *d
mtk_tx_irq_enable(eth, MTK_TX_DONE_INT);
mtk_rx_irq_enable(eth, MTK_RX_DONE_INT);
refcount_set(&eth->dma_refcnt, 1);
@ -176,7 +176,7 @@
}
else
refcount_inc(&eth->dma_refcnt);
@@ -2311,6 +2324,9 @@ static int mtk_stop(struct net_device *d
@@ -2312,6 +2325,9 @@ static int mtk_stop(struct net_device *d
mtk_dma_free(eth);
@ -186,7 +186,7 @@
return 0;
}
@@ -2824,6 +2840,27 @@ static int mtk_set_rxnfc(struct net_devi
@@ -2825,6 +2841,27 @@ static int mtk_set_rxnfc(struct net_devi
return ret;
}
@ -214,7 +214,7 @@
static const struct ethtool_ops mtk_ethtool_ops = {
.get_link_ksettings = mtk_get_link_ksettings,
.set_link_ksettings = mtk_set_link_ksettings,
@@ -2855,6 +2892,9 @@ static const struct net_device_ops mtk_n
@@ -2856,6 +2893,9 @@ static const struct net_device_ops mtk_n
#ifdef CONFIG_NET_POLL_CONTROLLER
.ndo_poll_controller = mtk_poll_controller,
#endif
@ -224,7 +224,7 @@
};
static int mtk_add_mac(struct mtk_eth *eth, struct device_node *np)
@@ -3197,6 +3237,7 @@ static const struct mtk_soc_data mt7622_
@@ -3198,6 +3238,7 @@ static const struct mtk_soc_data mt7622_
.hw_features = MTK_HW_FEATURES,
.required_clks = MT7622_CLKS_BITMAP,
.required_pctl = false,

10
target/linux/mediatek/patches-5.4/1000-eth-gdm-config-backport.patch
View File

@ -1,6 +1,6 @@
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -2235,6 +2235,31 @@ static int mtk_start_dma(struct mtk_eth
@@ -2236,6 +2236,31 @@ static int mtk_start_dma(struct mtk_eth
return 0;
}
@ -32,7 +32,7 @@
static int mtk_open(struct net_device *dev)
{
struct mtk_mac *mac = netdev_priv(dev);
@@ -2255,6 +2280,8 @@ static int mtk_open(struct net_device *d
@@ -2256,6 +2281,8 @@ static int mtk_open(struct net_device *d
if (err)
return err;
@ -41,7 +41,7 @@
napi_enable(&eth->tx_napi);
napi_enable(&eth->rx_napi);
mtk_tx_irq_enable(eth, MTK_TX_DONE_INT);
@@ -2310,6 +2337,8 @@ static int mtk_stop(struct net_device *d
@@ -2311,6 +2338,8 @@ static int mtk_stop(struct net_device *d
if (!refcount_dec_and_test(&eth->dma_refcnt))
return 0;
@ -50,7 +50,7 @@
mtk_tx_irq_disable(eth, MTK_TX_DONE_INT);
mtk_rx_irq_disable(eth, MTK_RX_DONE_INT);
napi_disable(&eth->tx_napi);
@@ -2493,8 +2522,6 @@ static int mtk_hw_init(struct mtk_eth *e
@@ -2494,8 +2523,6 @@ static int mtk_hw_init(struct mtk_eth *e
/* disable delay and normal interrupt */
mtk_tx_irq_disable(eth, ~0);
mtk_rx_irq_disable(eth, ~0);
@ -59,7 +59,7 @@
/* FE int grouping */
mtk_w32(eth, MTK_TX_DONE_INT, MTK_PDMA_INT_GRP1);
@@ -2503,19 +2530,6 @@ static int mtk_hw_init(struct mtk_eth *e
@@ -2504,19 +2531,6 @@ static int mtk_hw_init(struct mtk_eth *e
mtk_w32(eth, MTK_RX_DONE_INT, MTK_QDMA_INT_GRP2);
mtk_w32(eth, 0x21021000, MTK_FE_INT_GRP);