From e4d4715929b4557d786041f6a04f14a75979dbe0 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Rafa=C5=82=20Mi=C5=82ecki?= Date: Wed, 10 Jul 2024 00:29:06 +0200 Subject: [PATCH] kernel: backport mtd_wed/mtk_eth_soc patch for devices with more than 4GB of dram MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Signed-off-by: Rafał Miłecki --- ..._wed-add-support-for-devices-with-mo.patch | 91 +++++++++++++++++++ ...net-mtk_eth_soc-enable-threaded-NAPI.patch | 6 +- ..._eth_soc-work-around-issue-with-send.patch | 6 +- ..._eth_soc-fix-remaining-throughput-re.patch | 2 +- ..._eth_soc-add-paths-and-SerDes-modes-.patch | 4 +- ..._eth_soc-set-coherent-mask-to-get-PP.patch | 2 +- ...tk_wed-move-dlm-a-dedicated-dts-node.patch | 4 +- 7 files changed, 103 insertions(+), 12 deletions(-) create mode 100644 target/linux/generic/backport-5.15/752-24-v6.8-net-ethernet-mtk_wed-add-support-for-devices-with-mo.patch diff --git a/target/linux/generic/backport-5.15/752-24-v6.8-net-ethernet-mtk_wed-add-support-for-devices-with-mo.patch b/target/linux/generic/backport-5.15/752-24-v6.8-net-ethernet-mtk_wed-add-support-for-devices-with-mo.patch new file mode 100644 index 0000000000..be885e7f16 --- /dev/null +++ b/target/linux/generic/backport-5.15/752-24-v6.8-net-ethernet-mtk_wed-add-support-for-devices-with-mo.patch @@ -0,0 +1,91 @@ +From 5f5997322584b6257543d4d103f81484b8006d84 Mon Sep 17 00:00:00 2001 +From: Lorenzo Bianconi +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 +Signed-off-by: Sujuan Chen +Signed-off-by: Lorenzo Bianconi +Link: https://lore.kernel.org/r/1c7efdf5d384ea7af3c0209723e40b2ee0f956bf.1700239272.git.lorenzo@kernel.org +Signed-off-by: Jakub Kicinski +--- + 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; + diff --git a/target/linux/generic/pending-5.15/702-net-ethernet-mtk_eth_soc-enable-threaded-NAPI.patch b/target/linux/generic/pending-5.15/702-net-ethernet-mtk_eth_soc-enable-threaded-NAPI.patch index bb3975f7d5..32a7675eae 100644 --- a/target/linux/generic/pending-5.15/702-net-ethernet-mtk_eth_soc-enable-threaded-NAPI.patch +++ b/target/linux/generic/pending-5.15/702-net-ethernet-mtk_eth_soc-enable-threaded-NAPI.patch @@ -10,7 +10,7 @@ Signed-off-by: Felix Fietkau --- 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(ð->rx_napi))) { @@ -20,7 +20,7 @@ Signed-off-by: Felix Fietkau } 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(ð->tx_napi))) { @@ -30,7 +30,7 @@ Signed-off-by: Felix Fietkau } 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(ð->dummy_dev); diff --git a/target/linux/generic/pending-5.15/732-01-net-ethernet-mtk_eth_soc-work-around-issue-with-send.patch b/target/linux/generic/pending-5.15/732-01-net-ethernet-mtk_eth_soc-work-around-issue-with-send.patch index 56edb63234..02166f6c82 100644 --- a/target/linux/generic/pending-5.15/732-01-net-ethernet-mtk_eth_soc-work-around-issue-with-send.patch +++ b/target/linux/generic/pending-5.15/732-01-net-ethernet-mtk_eth_soc-work-around-issue-with-send.patch @@ -16,7 +16,7 @@ Signed-off-by: Felix Fietkau --- 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 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 /* 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 } } diff --git a/target/linux/generic/pending-5.15/732-03-net-ethernet-mtk_eth_soc-fix-remaining-throughput-re.patch b/target/linux/generic/pending-5.15/732-03-net-ethernet-mtk_eth_soc-fix-remaining-throughput-re.patch index 2de28b11dd..a1a42bfa8d 100644 --- a/target/linux/generic/pending-5.15/732-03-net-ethernet-mtk_eth_soc-fix-remaining-throughput-re.patch +++ b/target/linux/generic/pending-5.15/732-03-net-ethernet-mtk_eth_soc-fix-remaining-throughput-re.patch @@ -30,7 +30,7 @@ Signed-off-by: Felix Fietkau 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; diff --git a/target/linux/generic/pending-5.15/737-net-ethernet-mtk_eth_soc-add-paths-and-SerDes-modes-.patch b/target/linux/generic/pending-5.15/737-net-ethernet-mtk_eth_soc-add-paths-and-SerDes-modes-.patch index 53c98ccc77..8ba0d86e1b 100644 --- a/target/linux/generic/pending-5.15/737-net-ethernet-mtk_eth_soc-add-paths-and-SerDes-modes-.patch +++ b/target/linux/generic/pending-5.15/737-net-ethernet-mtk_eth_soc-add-paths-and-SerDes-modes-.patch @@ -479,7 +479,7 @@ Signed-off-by: Daniel Golle 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 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; diff --git a/target/linux/generic/pending-5.15/738-net-ethernet-mtk_eth_soc-set-coherent-mask-to-get-PP.patch b/target/linux/generic/pending-5.15/738-net-ethernet-mtk_eth_soc-set-coherent-mask-to-get-PP.patch index cb67dd5973..69e85c987c 100644 --- a/target/linux/generic/pending-5.15/738-net-ethernet-mtk_eth_soc-set-coherent-mask-to-get-PP.patch +++ b/target/linux/generic/pending-5.15/738-net-ethernet-mtk_eth_soc-set-coherent-mask-to-get-PP.patch @@ -32,7 +32,7 @@ Signed-off-by: Daniel Golle --- 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)) { diff --git a/target/linux/mediatek/patches-5.15/944-net-ethernet-mtk_wed-move-dlm-a-dedicated-dts-node.patch b/target/linux/mediatek/patches-5.15/944-net-ethernet-mtk_wed-move-dlm-a-dedicated-dts-node.patch index c92fcd43ce..abb6591b7d 100644 --- a/target/linux/mediatek/patches-5.15/944-net-ethernet-mtk_wed-move-dlm-a-dedicated-dts-node.patch +++ b/target/linux/mediatek/patches-5.15/944-net-ethernet-mtk_wed-move-dlm-a-dedicated-dts-node.patch @@ -22,7 +22,7 @@ Signed-off-by: Lorenzo Bianconi --- 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 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; -- 2.30.2