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kernel: backport mtd_wed/mtk_eth_soc patch for devices with more than 4GB of dram

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Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
This commit is contained in:
Rafał Miłecki 2024-07-10 00:29:06 +02:00
parent ca9b71c469
commit e4d4715929
7 changed files with 103 additions and 12 deletions
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91
target/linux/generic/backport-5.15/752-24-v6.8-net-ethernet-mtk_wed-add-support-for-devices-with-mo.patch Normal file
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@ -0,0 +1,91 @@
From 5f5997322584b6257543d4d103f81484b8006d84 Mon Sep 17 00:00:00 2001
From: Lorenzo Bianconi <lorenzo@kernel.org>
Date: Fri, 17 Nov 2023 17:42:59 +0100
Subject: [PATCH 4/5] net: ethernet: mtk_wed: add support for devices with more
than 4GB of dram
Introduce WED offloading support for boards with more than 4GB of
memory.
Co-developed-by: Sujuan Chen <sujuan.chen@mediatek.com>
Signed-off-by: Sujuan Chen <sujuan.chen@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://lore.kernel.org/r/1c7efdf5d384ea7af3c0209723e40b2ee0f956bf.1700239272.git.lorenzo@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
drivers/net/ethernet/mediatek/mtk_eth_soc.c | 5 ++++-
drivers/net/ethernet/mediatek/mtk_wed.c | 8 +++++---
drivers/net/ethernet/mediatek/mtk_wed_wo.c | 3 ++-
3 files changed, 11 insertions(+), 5 deletions(-)
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -1098,15 +1098,18 @@ static int mtk_init_fq_dma(struct mtk_et
phy_ring_tail = eth->phy_scratch_ring + soc->tx.desc_size * (cnt - 1);
for (i = 0; i < cnt; i++) {
+ dma_addr_t addr = dma_addr + i * MTK_QDMA_PAGE_SIZE;
struct mtk_tx_dma_v2 *txd;
txd = eth->scratch_ring + i * soc->tx.desc_size;
- txd->txd1 = dma_addr + i * MTK_QDMA_PAGE_SIZE;
+ txd->txd1 = addr;
if (i < cnt - 1)
txd->txd2 = eth->phy_scratch_ring +
(i + 1) * soc->tx.desc_size;
txd->txd3 = TX_DMA_PLEN0(MTK_QDMA_PAGE_SIZE);
+ if (MTK_HAS_CAPS(soc->caps, MTK_36BIT_DMA))
+ txd->txd3 |= TX_DMA_PREP_ADDR64(addr);
txd->txd4 = 0;
if (mtk_is_netsys_v2_or_greater(eth)) {
txd->txd5 = 0;
--- a/drivers/net/ethernet/mediatek/mtk_wed.c
+++ b/drivers/net/ethernet/mediatek/mtk_wed.c
@@ -690,10 +690,11 @@ mtk_wed_tx_buffer_alloc(struct mtk_wed_d
for (s = 0; s < MTK_WED_BUF_PER_PAGE; s++) {
struct mtk_wdma_desc *desc = desc_ptr;
+ u32 ctrl;
desc->buf0 = cpu_to_le32(buf_phys);
if (!mtk_wed_is_v3_or_greater(dev->hw)) {
- u32 txd_size, ctrl;
+ u32 txd_size;
txd_size = dev->wlan.init_buf(buf, buf_phys,
token++);
@@ -707,11 +708,11 @@ mtk_wed_tx_buffer_alloc(struct mtk_wed_d
ctrl |= MTK_WDMA_DESC_CTRL_LAST_SEG0 |
FIELD_PREP(MTK_WDMA_DESC_CTRL_LEN1_V2,
MTK_WED_BUF_SIZE - txd_size);
- desc->ctrl = cpu_to_le32(ctrl);
desc->info = 0;
} else {
- desc->ctrl = cpu_to_le32(token << 16);
+ ctrl = token << 16 | TX_DMA_PREP_ADDR64(buf_phys);
}
+ desc->ctrl = cpu_to_le32(ctrl);
desc_ptr += desc_size;
buf += MTK_WED_BUF_SIZE;
@@ -810,6 +811,7 @@ mtk_wed_hwrro_buffer_alloc(struct mtk_we
buf_phys = page_phys;
for (s = 0; s < MTK_WED_RX_BUF_PER_PAGE; s++) {
desc->buf0 = cpu_to_le32(buf_phys);
+ desc->token = cpu_to_le32(RX_DMA_PREP_ADDR64(buf_phys));
buf_phys += MTK_WED_PAGE_BUF_SIZE;
desc++;
}
--- a/drivers/net/ethernet/mediatek/mtk_wed_wo.c
+++ b/drivers/net/ethernet/mediatek/mtk_wed_wo.c
@@ -143,7 +143,8 @@ mtk_wed_wo_queue_refill(struct mtk_wed_w
dma_addr_t addr;
void *buf;
- buf = page_frag_alloc(&q->cache, q->buf_size, GFP_ATOMIC);
+ buf = page_frag_alloc(&q->cache, q->buf_size,
+ GFP_ATOMIC | GFP_DMA32);
if (!buf)
break;

6
target/linux/generic/pending-5.15/702-net-ethernet-mtk_eth_soc-enable-threaded-NAPI.patch
View File

@ -10,7 +10,7 @@ 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
@@ -3098,8 +3098,8 @@ static irqreturn_t mtk_handle_irq_rx(int
@@ -3101,8 +3101,8 @@ static irqreturn_t mtk_handle_irq_rx(int
eth->rx_events++;
if (likely(napi_schedule_prep(&eth->rx_napi))) {
@ -20,7 +20,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
}
return IRQ_HANDLED;
@@ -3111,8 +3111,8 @@ static irqreturn_t mtk_handle_irq_tx(int
@@ -3114,8 +3114,8 @@ static irqreturn_t mtk_handle_irq_tx(int
eth->tx_events++;
if (likely(napi_schedule_prep(&eth->tx_napi))) {
@ -30,7 +30,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
}
return IRQ_HANDLED;
@@ -4886,6 +4886,8 @@ static int mtk_probe(struct platform_dev
@@ -4889,6 +4889,8 @@ static int mtk_probe(struct platform_dev
* for NAPI to work
*/
init_dummy_netdev(&eth->dummy_dev);

6
target/linux/generic/pending-5.15/732-01-net-ethernet-mtk_eth_soc-work-around-issue-with-send.patch
View File

@ -16,7 +16,7 @@ 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
@@ -1516,12 +1516,28 @@ static void mtk_wake_queue(struct mtk_et
@@ -1519,12 +1519,28 @@ static void mtk_wake_queue(struct mtk_et
}
}
@ -45,7 +45,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
bool gso = false;
int tx_num;
@@ -1543,6 +1559,18 @@ static netdev_tx_t mtk_start_xmit(struct
@@ -1546,6 +1562,18 @@ static netdev_tx_t mtk_start_xmit(struct
return NETDEV_TX_BUSY;
}
@ -64,7 +64,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
/* TSO: fill MSS info in tcp checksum field */
if (skb_is_gso(skb)) {
if (skb_cow_head(skb, 0)) {
@@ -1558,8 +1586,14 @@ static netdev_tx_t mtk_start_xmit(struct
@@ -1561,8 +1589,14 @@ static netdev_tx_t mtk_start_xmit(struct
}
}

2
target/linux/generic/pending-5.15/732-03-net-ethernet-mtk_eth_soc-fix-remaining-throughput-re.patch
View File

@ -30,7 +30,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
switch (speed) {
case SPEED_2500:
case SPEED_1000:
@@ -3291,6 +3292,9 @@ found:
@@ -3294,6 +3295,9 @@ found:
if (dp->index >= MTK_QDMA_NUM_QUEUES)
return NOTIFY_DONE;

4
target/linux/generic/pending-5.15/737-net-ethernet-mtk_eth_soc-add-paths-and-SerDes-modes-.patch
View File

@ -479,7 +479,7 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org>
static const struct phylink_mac_ops mtk_phylink_ops = {
.validate = phylink_generic_validate,
.mac_select_pcs = mtk_mac_select_pcs,
@@ -4561,8 +4676,21 @@ static int mtk_add_mac(struct mtk_eth *e
@@ -4564,8 +4679,21 @@ static int mtk_add_mac(struct mtk_eth *e
phy_interface_zero(mac->phylink_config.supported_interfaces);
__set_bit(PHY_INTERFACE_MODE_INTERNAL,
mac->phylink_config.supported_interfaces);
@ -501,7 +501,7 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org>
phylink = phylink_create(&mac->phylink_config,
of_fwnode_handle(mac->of_node),
phy_mode, &mtk_phylink_ops);
@@ -4755,6 +4883,13 @@ static int mtk_probe(struct platform_dev
@@ -4758,6 +4886,13 @@ static int mtk_probe(struct platform_dev
if (err)
return err;

2
target/linux/generic/pending-5.15/738-net-ethernet-mtk_eth_soc-set-coherent-mask-to-get-PP.patch
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@ -32,7 +32,7 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org>
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -4831,7 +4831,10 @@ static int mtk_probe(struct platform_dev
@@ -4834,7 +4834,10 @@ static int mtk_probe(struct platform_dev
}
if (MTK_HAS_CAPS(eth->soc->caps, MTK_36BIT_DMA)) {

4
target/linux/mediatek/patches-5.15/944-net-ethernet-mtk_wed-move-dlm-a-dedicated-dts-node.patch
View File

@ -22,7 +22,7 @@ Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
--- a/drivers/net/ethernet/mediatek/mtk_wed.c
+++ b/drivers/net/ethernet/mediatek/mtk_wed.c
@@ -1320,6 +1320,24 @@ mtk_wed_rro_alloc(struct mtk_wed_device
@@ -1322,6 +1322,24 @@ mtk_wed_rro_alloc(struct mtk_wed_device
struct device_node *np;
int index;
@ -47,7 +47,7 @@ Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
index = of_property_match_string(dev->hw->node, "memory-region-names",
"wo-dlm");
if (index < 0)
@@ -1336,6 +1354,7 @@ mtk_wed_rro_alloc(struct mtk_wed_device
@@ -1338,6 +1356,7 @@ mtk_wed_rro_alloc(struct mtk_wed_device
return -ENODEV;
dev->rro.miod_phys = rmem->base;