| diff --git a/drivers/net/ethernet/mediatek/Makefile b/drivers/net/ethernet/mediatek/Makefile |
| index 0c724a5..93cd55f 100644 |
| --- a/drivers/net/ethernet/mediatek/Makefile |
| +++ b/drivers/net/ethernet/mediatek/Makefile |
| @@ -5,7 +5,7 @@ |
| |
| obj-$(CONFIG_NET_MEDIATEK_SOC) += mtk_eth.o |
| mtk_eth-y := mtk_eth_soc.o mtk_sgmii.o mtk_usxgmii.o mtk_eth_path.o mtk_eth_dbg.o mtk_eth_reset.o \ |
| - mtk_ppe.o mtk_ppe_debugfs.o mtk_ppe_offload.o |
| + mtk_ppe.o mtk_ppe_debugfs.o mtk_ppe_offload.o mtk_qdma_debugfs.o |
| mtk_eth-$(CONFIG_NET_MEDIATEK_SOC_WED) += mtk_wed.o |
| ifdef CONFIG_DEBUG_FS |
| mtk_eth-$(CONFIG_NET_MEDIATEK_SOC_WED) += mtk_wed_debugfs.o |
| diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c |
| index efdd2e6..9ffc46b 100644 |
| --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c |
| +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c |
| @@ -3992,6 +3992,8 @@ static int mtk_probe(struct platform_device *pdev) |
| } |
| |
| mtk_ppe_debugfs_init(eth); |
| + |
| + mtk_qdma_debugfs_init(eth); |
| } |
| |
| for (i = 0; i < MTK_MAX_DEVS; i++) { |
| @@ -4101,6 +4103,7 @@ static const struct mtk_soc_data mt2701_data = { |
| .rxd_size = sizeof(struct mtk_rx_dma), |
| .dma_max_len = MTK_TX_DMA_BUF_LEN, |
| .dma_len_offset = MTK_TX_DMA_BUF_SHIFT, |
| + .qdma_tx_sch = 2, |
| }, |
| }; |
| |
| @@ -4118,6 +4121,7 @@ static const struct mtk_soc_data mt7621_data = { |
| .rxd_size = sizeof(struct mtk_rx_dma), |
| .dma_max_len = MTK_TX_DMA_BUF_LEN, |
| .dma_len_offset = MTK_TX_DMA_BUF_SHIFT, |
| + .qdma_tx_sch = 2, |
| }, |
| }; |
| |
| @@ -4136,6 +4140,7 @@ static const struct mtk_soc_data mt7622_data = { |
| .rxd_size = sizeof(struct mtk_rx_dma), |
| .dma_max_len = MTK_TX_DMA_BUF_LEN, |
| .dma_len_offset = MTK_TX_DMA_BUF_SHIFT, |
| + .qdma_tx_sch = 2, |
| }, |
| }; |
| |
| @@ -4153,6 +4158,7 @@ static const struct mtk_soc_data mt7623_data = { |
| .rxd_size = sizeof(struct mtk_rx_dma), |
| .dma_max_len = MTK_TX_DMA_BUF_LEN, |
| .dma_len_offset = MTK_TX_DMA_BUF_SHIFT, |
| + .qdma_tx_sch = 2, |
| }, |
| }; |
| |
| @@ -4187,6 +4193,7 @@ static const struct mtk_soc_data mt7986_data = { |
| .rxd_size = sizeof(struct mtk_rx_dma_v2), |
| .dma_max_len = MTK_TX_DMA_BUF_LEN_V2, |
| .dma_len_offset = MTK_TX_DMA_BUF_SHIFT_V2, |
| + .qdma_tx_sch = 4, |
| }, |
| }; |
| |
| @@ -4205,6 +4212,7 @@ static const struct mtk_soc_data mt7981_data = { |
| .rxd_size = sizeof(struct mtk_rx_dma_v2), |
| .dma_max_len = MTK_TX_DMA_BUF_LEN_V2, |
| .dma_len_offset = MTK_TX_DMA_BUF_SHIFT_V2, |
| + .qdma_tx_sch = 4, |
| }, |
| }; |
| |
| @@ -4220,6 +4228,7 @@ static const struct mtk_soc_data rt5350_data = { |
| .rxd_size = sizeof(struct mtk_rx_dma), |
| .dma_max_len = MTK_TX_DMA_BUF_LEN, |
| .dma_len_offset = MTK_TX_DMA_BUF_SHIFT, |
| + .qdma_tx_sch = 4, |
| }, |
| }; |
| |
| diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/drivers/net/ethernet/mediatek/mtk_eth_soc.h |
| index c87a823..955bb27 100644 |
| --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h |
| +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h |
| @@ -352,10 +352,21 @@ |
| |
| /* QDMA TX Queue Configuration Registers */ |
| #define MTK_QTX_CFG(x) (QDMA_BASE + (x * 0x10)) |
| +#define MTK_QTX_CFG_HW_RESV_CNT_OFFSET GENMASK(15, 8) |
| +#define MTK_QTX_CFG_SW_RESV_CNT_OFFSET GENMASK(7, 0) |
| #define QDMA_RES_THRES 4 |
| |
| /* QDMA TX Queue Scheduler Registers */ |
| #define MTK_QTX_SCH(x) (QDMA_BASE + 4 + (x * 0x10)) |
| +#define MTK_QTX_SCH_TX_SCH_SEL BIT(31) |
| +#define MTK_QTX_SCH_TX_SCH_SEL_V2 GENMASK(31, 30) |
| +#define MTK_QTX_SCH_MIN_RATE_EN BIT(27) |
| +#define MTK_QTX_SCH_MIN_RATE_MAN GENMASK(26, 20) |
| +#define MTK_QTX_SCH_MIN_RATE_EXP GENMASK(19, 16) |
| +#define MTK_QTX_SCH_MAX_RATE_WGHT GENMASK(15, 12) |
| +#define MTK_QTX_SCH_MAX_RATE_EN BIT(11) |
| +#define MTK_QTX_SCH_MAX_RATE_MAN GENMASK(10, 4) |
| +#define MTK_QTX_SCH_MAX_RATE_EXP GENMASK(3, 0) |
| |
| /* QDMA RX Base Pointer Register */ |
| #define MTK_QRX_BASE_PTR0 (QDMA_BASE + 0x100) |
| @@ -373,7 +384,9 @@ |
| #define MTK_QRX_DRX_IDX0 (QDMA_BASE + 0x10c) |
| |
| /* QDMA Page Configuration Register */ |
| -#define MTK_QDMA_PAGE (QDMA_BASE + 0x1f0) |
| +#define MTK_QDMA_PAGE (QDMA_BASE + 0x1f0) |
| +#define MTK_QTX_CFG_PAGE GENMASK(3, 0) |
| +#define MTK_QTX_PER_PAGE (16) |
| |
| /* QDMA Global Configuration Register */ |
| #define MTK_QDMA_GLO_CFG (QDMA_BASE + 0x204) |
| @@ -410,6 +423,9 @@ |
| #define FC_THRES_DROP_EN (7 << 16) |
| #define FC_THRES_MIN 0x4444 |
| |
| +/* QDMA TX Scheduler Rate Control Register */ |
| +#define MTK_QDMA_TX_2SCH_BASE (QDMA_BASE + 0x214) |
| + |
| /* QDMA Interrupt Status Register */ |
| #define MTK_QDMA_INT_STATUS (QDMA_BASE + 0x218) |
| #if defined(CONFIG_MEDIATEK_NETSYS_V2) |
| @@ -444,6 +460,11 @@ |
| /* QDMA Interrupt Mask Register */ |
| #define MTK_QDMA_HRED2 (QDMA_BASE + 0x244) |
| |
| +/* QDMA TX Queue MIB Interface Register */ |
| +#define MTK_QTX_MIB_IF (QDMA_BASE + 0x2bc) |
| +#define MTK_MIB_ON_QTX_CFG BIT(31) |
| +#define MTK_VQTX_MIB_EN BIT(28) |
| + |
| /* QDMA TX Forward CPU Pointer Register */ |
| #define MTK_QTX_CTX_PTR (QDMA_BASE +0x300) |
| |
| @@ -471,6 +492,14 @@ |
| /* QDMA FQ Free Page Buffer Length Register */ |
| #define MTK_QDMA_FQ_BLEN (QDMA_BASE +0x32c) |
| |
| +/* QDMA TX Scheduler Rate Control Register */ |
| +#define MTK_QDMA_TX_4SCH_BASE(x) (QDMA_BASE + 0x398 + (((x) >> 1) * 0x4)) |
| +#define MTK_QDMA_TX_SCH_MASK GENMASK(15, 0) |
| +#define MTK_QDMA_TX_SCH_MAX_WFQ BIT(15) |
| +#define MTK_QDMA_TX_SCH_RATE_EN BIT(11) |
| +#define MTK_QDMA_TX_SCH_RATE_MAN GENMASK(10, 4) |
| +#define MTK_QDMA_TX_SCH_RATE_EXP GENMASK(3, 0) |
| + |
| /* WDMA Registers */ |
| #define MTK_WDMA_DTX_PTR(x) (WDMA_BASE(x) + 0xC) |
| #define MTK_WDMA_GLO_CFG(x) (WDMA_BASE(x) + 0x204) |
| @@ -1223,6 +1252,7 @@ struct mtk_soc_data { |
| u32 rxd_size; |
| u32 dma_max_len; |
| u32 dma_len_offset; |
| + u32 qdma_tx_sch; |
| } txrx; |
| }; |
| |
| @@ -1353,6 +1383,7 @@ struct mtk_eth { |
| spinlock_t syscfg0_lock; |
| struct timer_list mtk_dma_monitor_timer; |
| |
| + u8 qos_toggle; |
| u8 ppe_num; |
| struct mtk_ppe *ppe[MTK_MAX_PPE_NUM]; |
| struct rhashtable flow_table; |
| @@ -1412,4 +1443,6 @@ void mtk_eth_set_dma_device(struct mtk_eth *eth, struct device *dma_dev); |
| |
| int mtk_ppe_debugfs_init(struct mtk_eth *eth); |
| |
| +int mtk_qdma_debugfs_init(struct mtk_eth *eth); |
| + |
| int mtk_mac2xgmii_id(struct mtk_eth *eth, int mac_id); |
| diff --git a/drivers/net/ethernet/mediatek/mtk_ppe.c b/drivers/net/ethernet/mediatek/mtk_ppe.c |
| index a49275f..1767823 100755 |
| --- a/drivers/net/ethernet/mediatek/mtk_ppe.c |
| +++ b/drivers/net/ethernet/mediatek/mtk_ppe.c |
| @@ -406,6 +406,16 @@ int mtk_foe_entry_set_wdma(struct mtk_foe_entry *entry, int wdma_idx, int txq, |
| return 0; |
| } |
| |
| +int mtk_foe_entry_set_qid(struct mtk_foe_entry *entry, int qid) |
| +{ |
| + u32 *ib2 = mtk_foe_entry_ib2(entry); |
| + |
| + *ib2 &= ~MTK_FOE_IB2_QID; |
| + *ib2 |= FIELD_PREP(MTK_FOE_IB2_QID, qid); |
| + *ib2 |= MTK_FOE_IB2_PSE_QOS; |
| + |
| + return 0; |
| +} |
| static inline bool mtk_foe_entry_usable(struct mtk_foe_entry *entry) |
| { |
| return !(entry->ib1 & MTK_FOE_IB1_STATIC) && |
| diff --git a/drivers/net/ethernet/mediatek/mtk_ppe.h b/drivers/net/ethernet/mediatek/mtk_ppe.h |
| index 8076e5d..c46c4d9 100644 |
| --- a/drivers/net/ethernet/mediatek/mtk_ppe.h |
| +++ b/drivers/net/ethernet/mediatek/mtk_ppe.h |
| @@ -356,6 +356,7 @@ int mtk_foe_entry_set_vlan(struct mtk_foe_entry *entry, int vid); |
| int mtk_foe_entry_set_pppoe(struct mtk_foe_entry *entry, int sid); |
| int mtk_foe_entry_set_wdma(struct mtk_foe_entry *entry, int wdma_idx, int txq, |
| int bss, int wcid); |
| +int mtk_foe_entry_set_qid(struct mtk_foe_entry *entry, int qid); |
| int mtk_foe_entry_commit(struct mtk_ppe *ppe, struct mtk_flow_entry *entry); |
| void mtk_foe_entry_clear(struct mtk_ppe *ppe, struct mtk_flow_entry *entry); |
| int mtk_foe_entry_idle_time(struct mtk_ppe *ppe, struct mtk_flow_entry *entry); |
| diff --git a/drivers/net/ethernet/mediatek/mtk_ppe_offload.c b/drivers/net/ethernet/mediatek/mtk_ppe_offload.c |
| index f258539..3b17819 100755 |
| --- a/drivers/net/ethernet/mediatek/mtk_ppe_offload.c |
| +++ b/drivers/net/ethernet/mediatek/mtk_ppe_offload.c |
| @@ -9,6 +9,8 @@ |
| #include <linux/ipv6.h> |
| #include <net/flow_offload.h> |
| #include <net/pkt_cls.h> |
| +#include <net/netfilter/nf_conntrack.h> |
| +#include <net/netfilter/nf_flow_table.h> |
| #include <net/dsa.h> |
| #include "mtk_eth_soc.h" |
| #include "mtk_wed.h" |
| @@ -183,7 +185,7 @@ mtk_flow_get_dsa_port(struct net_device **dev) |
| |
| static int |
| mtk_flow_set_output_device(struct mtk_eth *eth, struct mtk_foe_entry *foe, |
| - struct net_device *dev, const u8 *dest_mac, |
| + struct net_device *dev, struct nf_conn *ct, const u8 *dest_mac, |
| int *wed_index) |
| { |
| struct mtk_wdma_info info = {}; |
| @@ -211,6 +211,11 @@ mtk_flow_set_output_device(struct mtk_eth *eth, struct mtk_foe_entry *foe, |
| if (dsa_port >= 0) |
| mtk_foe_entry_set_dsa(foe, dsa_port); |
| |
| + if (eth->qos_toggle == 1 || ct->mark >= 6) |
| + mtk_foe_entry_set_qid(foe, ct->mark & MTK_QDMA_TX_MASK); |
| + if (eth->qos_toggle == 2 && dsa_port >= 0) |
| + mtk_foe_entry_set_qid(foe, dsa_port & MTK_QDMA_TX_MASK); |
| + |
| if (dev == eth->netdev[0]) |
| pse_port = 1; |
| else if (dev == eth->netdev[1]) |
| @@ -433,7 +443,7 @@ mtk_flow_offload_replace(struct mtk_eth *eth, struct flow_cls_offload *f) |
| if (data.pppoe.num == 1) |
| mtk_foe_entry_set_pppoe(&foe, data.pppoe.sid); |
| |
| - err = mtk_flow_set_output_device(eth, &foe, odev, data.eth.h_dest, |
| + err = mtk_flow_set_output_device(eth, &foe, odev, f->flow->ct, data.eth.h_dest, |
| &wed_index); |
| if (err) |
| return err; |
| diff --git a/include/net/flow_offload.h b/include/net/flow_offload.h |
| index 59b8736..7261b6d 100644 |
| --- a/include/net/flow_offload.h |
| +++ b/include/net/flow_offload.h |
| @@ -365,6 +378,7 @@ struct flow_cls_offload { |
| struct flow_cls_common_offload common; |
| enum flow_cls_command command; |
| unsigned long cookie; |
| + struct flow_offload *flow; |
| struct flow_rule *rule; |
| struct flow_stats stats; |
| u32 classid; |
| diff --git a/net/netfilter/nf_flow_table_offload.c b/net/netfilter/nf_flow_table_offload.c |
| index d94c6fb..886ced5 100644 |
| --- a/net/netfilter/nf_flow_table_offload.c |
| +++ b/net/netfilter/nf_flow_table_offload.c |
| @@ -810,11 +810,13 @@ static int nf_flow_offload_alloc(const struct flow_offload_work *offload, |
| } |
| |
| static void nf_flow_offload_init(struct flow_cls_offload *cls_flow, |
| + struct flow_offload *flow, |
| __be16 proto, int priority, |
| enum flow_cls_command cmd, |
| const struct flow_offload_tuple *tuple, |
| struct netlink_ext_ack *extack) |
| { |
| + cls_flow->flow = flow; |
| cls_flow->common.protocol = proto; |
| cls_flow->common.prio = priority; |
| cls_flow->common.extack = extack; |
| @@ -836,7 +838,7 @@ static int nf_flow_offload_tuple(struct nf_flowtable *flowtable, |
| __be16 proto = ETH_P_ALL; |
| int err, i = 0; |
| |
| - nf_flow_offload_init(&cls_flow, proto, priority, cmd, |
| + nf_flow_offload_init(&cls_flow, flow, proto, priority, cmd, |
| &flow->tuplehash[dir].tuple, &extack); |
| if (cmd == FLOW_CLS_REPLACE) |
| cls_flow.rule = flow_rule->rule; |
| diff --git a/drivers/net/ethernet/mediatek/mtk_qdma_debugfs.c b/drivers/net/ethernet/mediatek/mtk_qdma_debugfs.c |
| new file mode 100644 |
| index 0000000..198b924 |
| --- /dev/null |
| +++ b/drivers/net/ethernet/mediatek/mtk_qdma_debugfs.c |
| @@ -0,0 +1,433 @@ |
| +/* SPDX-License-Identifier: GPL-2.0 |
| + * |
| + * Copyright (c) 2022 MediaTek Inc. |
| + * Author: Henry Yen <henry.yen@mediatek.com> |
| + * Bo-Cun Chen <bc-bocun.chen@mediatek.com> |
| + */ |
| + |
| +#include <linux/kernel.h> |
| +#include <linux/debugfs.h> |
| +#include "mtk_eth_soc.h" |
| + |
| +#define MAX_PPPQ_PORT_NUM 6 |
| + |
| +static struct mtk_eth *_eth; |
| + |
| +static void mtk_qdma_qos_shaper_ebl(struct mtk_eth *eth, u32 id, u32 enable) |
| +{ |
| + u32 val; |
| + |
| + if (enable) { |
| + val = MTK_QTX_SCH_MIN_RATE_EN | MTK_QTX_SCH_MAX_RATE_EN; |
| + val |= FIELD_PREP(MTK_QTX_SCH_MIN_RATE_MAN, 1) | |
| + FIELD_PREP(MTK_QTX_SCH_MIN_RATE_EXP, 4) | |
| + FIELD_PREP(MTK_QTX_SCH_MAX_RATE_MAN, 25) | |
| + FIELD_PREP(MTK_QTX_SCH_MAX_RATE_EXP, 5) | |
| + FIELD_PREP(MTK_QTX_SCH_MAX_RATE_WGHT, 4); |
| + |
| + writel(val, eth->base + MTK_QTX_SCH(id % MTK_QTX_PER_PAGE)); |
| + } else { |
| + writel(0, eth->base + MTK_QTX_SCH(id % MTK_QTX_PER_PAGE)); |
| + } |
| +} |
| + |
| +static void mtk_qdma_qos_disable(struct mtk_eth *eth) |
| +{ |
| + u32 id, val; |
| + |
| + for (id = 0; id < MAX_PPPQ_PORT_NUM; id++) { |
| + mtk_qdma_qos_shaper_ebl(eth, id, 0); |
| + |
| + writel(FIELD_PREP(MTK_QTX_CFG_HW_RESV_CNT_OFFSET, 4) | |
| + FIELD_PREP(MTK_QTX_CFG_SW_RESV_CNT_OFFSET, 4), |
| + eth->base + MTK_QTX_CFG(id % MTK_QTX_PER_PAGE)); |
| + } |
| + |
| + val = (MTK_QDMA_TX_SCH_MAX_WFQ) | (MTK_QDMA_TX_SCH_MAX_WFQ << 16); |
| + for (id = 0; id < eth->soc->txrx.qdma_tx_sch; id += 2) { |
| + if (eth->soc->txrx.qdma_tx_sch == 4) |
| + writel(val, eth->base + MTK_QDMA_TX_4SCH_BASE(id)); |
| + else |
| + writel(val, eth->base + MTK_QDMA_TX_2SCH_BASE); |
| + } |
| +} |
| + |
| +static void mtk_qdma_qos_pppq_enable(struct mtk_eth *eth) |
| +{ |
| + u32 id, val; |
| + |
| + for (id = 0; id < MAX_PPPQ_PORT_NUM; id++) { |
| + mtk_qdma_qos_shaper_ebl(eth, id, 1); |
| + |
| + writel(FIELD_PREP(MTK_QTX_CFG_HW_RESV_CNT_OFFSET, 4) | |
| + FIELD_PREP(MTK_QTX_CFG_SW_RESV_CNT_OFFSET, 4), |
| + eth->base + MTK_QTX_CFG(id % MTK_QTX_PER_PAGE)); |
| + } |
| + |
| + val = (MTK_QDMA_TX_SCH_MAX_WFQ) | (MTK_QDMA_TX_SCH_MAX_WFQ << 16); |
| + for (id = 0; id < eth->soc->txrx.qdma_tx_sch; id+= 2) { |
| + if (eth->soc->txrx.qdma_tx_sch == 4) |
| + writel(val, eth->base + MTK_QDMA_TX_4SCH_BASE(id)); |
| + else |
| + writel(val, eth->base + MTK_QDMA_TX_2SCH_BASE); |
| + } |
| +} |
| + |
| + static ssize_t mtk_qmda_debugfs_write_qos(struct file *file, const char __user *buffer, |
| + size_t count, loff_t *data) |
| +{ |
| + struct seq_file *m = file->private_data; |
| + struct mtk_eth *eth = m->private; |
| + char buf[8]; |
| + int len = count; |
| + |
| + if ((len > 8) || copy_from_user(buf, buffer, len)) |
| + return -EFAULT; |
| + |
| + if (buf[0] == '0') { |
| + pr_info("HQoS is going to be disabled !\n"); |
| + eth->qos_toggle = 0; |
| + mtk_qdma_qos_disable(eth); |
| + } else if (buf[0] == '1') { |
| + pr_info("HQoS mode is going to be enabled !\n"); |
| + eth->qos_toggle = 1; |
| + } else if (buf[0] == '2') { |
| + pr_info("Per-port-per-queue mode is going to be enabled !\n"); |
| + pr_info("PPPQ use qid 0~5 (scheduler 0).\n"); |
| + eth->qos_toggle = 2; |
| + mtk_qdma_qos_pppq_enable(eth); |
| + } |
| + |
| + return len; |
| +} |
| + |
| +static int mtk_qmda_debugfs_read_qos(struct seq_file *m, void *private) |
| +{ |
| + struct mtk_eth *eth = m->private; |
| + |
| + seq_printf(m, "value=%d, HQoS is %s now!\n", |
| + eth->qos_toggle, (eth->qos_toggle) ? "enabled" : "disabled"); |
| + |
| + return 0; |
| +} |
| + |
| +static int mtk_qmda_debugfs_open_qos(struct inode *inode, struct file *file) |
| +{ |
| + return single_open(file, mtk_qmda_debugfs_read_qos, |
| + inode->i_private); |
| +} |
| + |
| +static ssize_t mtk_qmda_debugfs_read_qos_sched(struct file *file, char __user *user_buf, |
| + size_t count, loff_t *ppos) |
| +{ |
| + struct mtk_eth *eth = _eth; |
| + long id = (long)file->private_data; |
| + char *buf; |
| + unsigned int len = 0, buf_len = 1500; |
| + int enable, scheduling, max_rate, scheduler, i; |
| + ssize_t ret_cnt; |
| + u32 val; |
| + |
| + buf = kzalloc(buf_len, GFP_KERNEL); |
| + if (!buf) |
| + return -ENOMEM; |
| + |
| + if (eth->soc->txrx.qdma_tx_sch == 4) |
| + val = readl(eth->base + MTK_QDMA_TX_4SCH_BASE(id)); |
| + else |
| + val = readl(eth->base + MTK_QDMA_TX_2SCH_BASE); |
| + |
| + if (id & 0x1) |
| + val >>= 16; |
| + |
| + enable = FIELD_GET(MTK_QDMA_TX_SCH_RATE_EN, val); |
| + scheduling = FIELD_GET(MTK_QDMA_TX_SCH_MAX_WFQ, val); |
| + max_rate = FIELD_GET(MTK_QDMA_TX_SCH_RATE_MAN, val); |
| + while (val--) |
| + max_rate *= 10; |
| + |
| + len += scnprintf(buf + len, buf_len - len, |
| + "EN\tScheduling\tMAX\tQueue#\n%d\t%s%16d\t", enable, |
| + (scheduling == 1) ? "WRR" : "SP", max_rate); |
| + |
| + for (i = 0; i < MTK_QDMA_TX_NUM; i++) { |
| + val = readl(eth->base + MTK_QDMA_PAGE) & ~MTK_QTX_CFG_PAGE; |
| + val |= FIELD_PREP(MTK_QTX_CFG_PAGE, i / MTK_QTX_PER_PAGE); |
| + writel(val, eth->base + MTK_QDMA_PAGE); |
| + |
| + val = readl(eth->base + MTK_QTX_SCH(i % MTK_QTX_PER_PAGE)); |
| + if (eth->soc->txrx.qdma_tx_sch == 4) |
| + scheduler = FIELD_GET(MTK_QTX_SCH_TX_SCH_SEL_V2, val); |
| + else |
| + scheduler = FIELD_GET(MTK_QTX_SCH_TX_SCH_SEL, val); |
| + if (id == scheduler) |
| + len += scnprintf(buf + len, buf_len - len, "%d ", i); |
| + } |
| + |
| + len += scnprintf(buf + len, buf_len - len, "\n"); |
| + if (len > buf_len) |
| + len = buf_len; |
| + |
| + ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len); |
| + |
| + kfree(buf); |
| + return ret_cnt; |
| +} |
| + |
| +static ssize_t mtk_qmda_debugfs_write_qos_sched(struct file *file, const char __user *buf, |
| + size_t length, loff_t *offset) |
| +{ |
| + struct mtk_eth *eth = _eth; |
| + long id = (long)file->private_data; |
| + char line[64] = {0}, scheduling[32]; |
| + int enable, rate, exp = 0, shift = 0; |
| + size_t size; |
| + u32 val = 0; |
| + |
| + if (length >= sizeof(line)) |
| + return -EINVAL; |
| + |
| + if (copy_from_user(line, buf, length)) |
| + return -EFAULT; |
| + |
| + if (sscanf(line, "%d %s %d", &enable, scheduling, &rate) != 3) |
| + return -EFAULT; |
| + |
| + while (rate > 127) { |
| + rate /= 10; |
| + exp++; |
| + } |
| + |
| + line[length] = '\0'; |
| + |
| + if (enable) |
| + val |= FIELD_PREP(MTK_QDMA_TX_SCH_RATE_EN, 1); |
| + if (strcmp(scheduling, "sp") != 0) |
| + val |= FIELD_PREP(MTK_QDMA_TX_SCH_MAX_WFQ, 1); |
| + val |= FIELD_PREP(MTK_QDMA_TX_SCH_RATE_MAN, rate); |
| + val |= FIELD_PREP(MTK_QDMA_TX_SCH_RATE_EXP, exp); |
| + |
| + if (id & 0x1) |
| + shift = 16; |
| + |
| + if (eth->soc->txrx.qdma_tx_sch == 4) |
| + val = readl(eth->base+ MTK_QDMA_TX_4SCH_BASE(id)); |
| + else |
| + val = readl(eth->base + MTK_QDMA_TX_2SCH_BASE); |
| + |
| + val &= ~(MTK_QDMA_TX_SCH_MASK << shift); |
| + val |= val << shift; |
| + if (eth->soc->txrx.qdma_tx_sch == 4) |
| + writel(val, eth->base + MTK_QDMA_TX_4SCH_BASE(id)); |
| + else |
| + writel(val, eth->base + MTK_QDMA_TX_2SCH_BASE); |
| + |
| + size = strlen(line); |
| + *offset += size; |
| + |
| + return length; |
| +} |
| + |
| +static ssize_t mtk_qmda_debugfs_read_qos_queue(struct file *file, char __user *user_buf, |
| + size_t count, loff_t *ppos) |
| +{ |
| + struct mtk_eth *eth = _eth; |
| + long id = (long)file->private_data; |
| + char *buf; |
| + unsigned int len = 0, buf_len = 1500; |
| + int min_rate_en, min_rate, min_rate_exp; |
| + int max_rate_en, max_weight, max_rate, max_rate_exp; |
| + u32 qtx_sch, qtx_cfg, scheduler, val; |
| + ssize_t ret_cnt; |
| + |
| + buf = kzalloc(buf_len, GFP_KERNEL); |
| + if (!buf) |
| + return -ENOMEM; |
| + |
| + val = readl(eth->base + MTK_QDMA_PAGE) & ~MTK_QTX_CFG_PAGE; |
| + val |= FIELD_PREP(MTK_QTX_CFG_PAGE, id / MTK_QTX_PER_PAGE); |
| + writel(val, eth->base + MTK_QDMA_PAGE); |
| + |
| + qtx_cfg = readl(eth->base + MTK_QTX_CFG(id % MTK_QTX_PER_PAGE)); |
| + qtx_sch = readl(eth->base + MTK_QTX_SCH(id % MTK_QTX_PER_PAGE)); |
| + if (eth->soc->txrx.qdma_tx_sch == 4) |
| + scheduler = FIELD_GET(MTK_QTX_SCH_TX_SCH_SEL_V2, qtx_sch); |
| + else |
| + scheduler = FIELD_GET(MTK_QTX_SCH_TX_SCH_SEL, qtx_sch); |
| + |
| + min_rate_en = FIELD_GET(MTK_QTX_SCH_MIN_RATE_EN, qtx_sch); |
| + min_rate = FIELD_GET(MTK_QTX_SCH_MIN_RATE_MAN, qtx_sch); |
| + min_rate_exp = FIELD_GET(MTK_QTX_SCH_MIN_RATE_EXP, qtx_sch); |
| + max_rate_en = FIELD_GET(MTK_QTX_SCH_MAX_RATE_EN, qtx_sch); |
| + max_weight = FIELD_GET(MTK_QTX_SCH_MAX_RATE_WGHT, qtx_sch); |
| + max_rate = FIELD_GET(MTK_QTX_SCH_MAX_RATE_MAN, qtx_sch); |
| + max_rate_exp = FIELD_GET(MTK_QTX_SCH_MAX_RATE_EXP, qtx_sch); |
| + while (min_rate_exp--) |
| + min_rate *= 10; |
| + |
| + while (max_rate_exp--) |
| + max_rate *= 10; |
| + |
| + len += scnprintf(buf + len, buf_len - len, |
| + "scheduler: %d\nhw resv: %d\nsw resv: %d\n", scheduler, |
| + (qtx_cfg >> 8) & 0xff, qtx_cfg & 0xff); |
| + |
| + /* Switch to debug mode */ |
| + val = readl(eth->base + MTK_QTX_MIB_IF) & ~MTK_MIB_ON_QTX_CFG; |
| + val |= MTK_MIB_ON_QTX_CFG; |
| + writel(val, eth->base + MTK_QTX_MIB_IF); |
| + |
| + val = readl(eth->base + MTK_QTX_MIB_IF) & ~MTK_VQTX_MIB_EN; |
| + val |= MTK_VQTX_MIB_EN; |
| + writel(val, eth->base + MTK_QTX_MIB_IF); |
| + |
| + qtx_cfg = readl(eth->base + MTK_QTX_CFG(id % MTK_QTX_PER_PAGE)); |
| + qtx_sch = readl(eth->base + MTK_QTX_SCH(id % MTK_QTX_PER_PAGE)); |
| + |
| + len += scnprintf(buf + len, buf_len - len, |
| + "packet count: %u\n", qtx_cfg); |
| + len += scnprintf(buf + len, buf_len - len, |
| + "packet drop: %u\n\n", qtx_sch); |
| + |
| + /* Recover to normal mode */ |
| + val = readl(eth->base + MTK_QTX_MIB_IF); |
| + val &= ~MTK_MIB_ON_QTX_CFG; |
| + writel(val, eth->base + MTK_QTX_MIB_IF); |
| + |
| + val = readl(eth->base + MTK_QTX_MIB_IF); |
| + val &= ~MTK_VQTX_MIB_EN; |
| + writel(val, eth->base + MTK_QTX_MIB_IF); |
| + |
| + len += scnprintf(buf + len, buf_len - len, |
| + " EN RATE WEIGHT\n"); |
| + len += scnprintf(buf + len, buf_len - len, |
| + "----------------------------\n"); |
| + len += scnprintf(buf + len, buf_len - len, |
| + "max%5d%9d%9d\n", max_rate_en, max_rate, max_weight); |
| + len += scnprintf(buf + len, buf_len - len, |
| + "min%5d%9d -\n", min_rate_en, min_rate); |
| + |
| + if (len > buf_len) |
| + len = buf_len; |
| + |
| + ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len); |
| + |
| + kfree(buf); |
| + |
| + return ret_cnt; |
| +} |
| + |
| +static ssize_t mtk_qmda_debugfs_write_qos_queue(struct file *file, const char __user *buf, |
| + size_t length, loff_t *offset) |
| +{ |
| + struct mtk_eth *eth = _eth; |
| + long id = (long)file->private_data; |
| + char line[64] = {0}; |
| + int max_enable, max_rate, max_exp = 0; |
| + int min_enable, min_rate, min_exp = 0; |
| + int scheduler, weight, resv; |
| + size_t size; |
| + u32 val; |
| + |
| + if (length >= sizeof(line)) |
| + return -EINVAL; |
| + |
| + if (copy_from_user(line, buf, length)) |
| + return -EFAULT; |
| + |
| + if (sscanf(line, "%d %d %d %d %d %d %d", &scheduler, &min_enable, &min_rate, |
| + &max_enable, &max_rate, &weight, &resv) != 7) |
| + return -EFAULT; |
| + |
| + line[length] = '\0'; |
| + |
| + while (max_rate > 127) { |
| + max_rate /= 10; |
| + max_exp++; |
| + } |
| + |
| + while (min_rate > 127) { |
| + min_rate /= 10; |
| + min_exp++; |
| + } |
| + |
| + val = readl(eth->base + MTK_QDMA_PAGE) & ~MTK_QTX_CFG_PAGE; |
| + val |= FIELD_PREP(MTK_QTX_CFG_PAGE, id / MTK_QTX_PER_PAGE); |
| + writel(val, eth->base + MTK_QDMA_PAGE); |
| + |
| + if (eth->soc->txrx.qdma_tx_sch == 4) |
| + val = FIELD_PREP(MTK_QTX_SCH_TX_SCH_SEL_V2, scheduler); |
| + else |
| + val = FIELD_PREP(MTK_QTX_SCH_TX_SCH_SEL, scheduler); |
| + if (min_enable) |
| + val |= MTK_QTX_SCH_MIN_RATE_EN; |
| + val |= FIELD_PREP(MTK_QTX_SCH_MIN_RATE_MAN, min_rate); |
| + val |= FIELD_PREP(MTK_QTX_SCH_MIN_RATE_EXP, min_exp); |
| + if (max_enable) |
| + val |= MTK_QTX_SCH_MAX_RATE_EN; |
| + val |= FIELD_PREP(MTK_QTX_SCH_MAX_RATE_WGHT, weight); |
| + val |= FIELD_PREP(MTK_QTX_SCH_MAX_RATE_MAN, max_rate); |
| + val |= FIELD_PREP(MTK_QTX_SCH_MAX_RATE_EXP, max_exp); |
| + writel(val, eth->base + MTK_QTX_SCH(id % MTK_QTX_PER_PAGE)); |
| + |
| + val = readl(eth->base + MTK_QTX_CFG(id % MTK_QTX_PER_PAGE)); |
| + val |= FIELD_PREP(MTK_QTX_CFG_HW_RESV_CNT_OFFSET, resv); |
| + val |= FIELD_PREP(MTK_QTX_CFG_SW_RESV_CNT_OFFSET, resv); |
| + writel(val, eth->base + MTK_QTX_CFG(id % MTK_QTX_PER_PAGE)); |
| + |
| + size = strlen(line); |
| + *offset += size; |
| + |
| + return length; |
| +} |
| + |
| +int mtk_qdma_debugfs_init(struct mtk_eth *eth) |
| +{ |
| + static const struct file_operations fops_qos = { |
| + .open = mtk_qmda_debugfs_open_qos, |
| + .read = seq_read, |
| + .llseek = seq_lseek, |
| + .write = mtk_qmda_debugfs_write_qos, |
| + .release = single_release, |
| + }; |
| + |
| + static const struct file_operations fops_qos_sched = { |
| + .open = simple_open, |
| + .read = mtk_qmda_debugfs_read_qos_sched, |
| + .write = mtk_qmda_debugfs_write_qos_sched, |
| + .llseek = default_llseek, |
| + }; |
| + |
| + static const struct file_operations fops_qos_queue = { |
| + .open = simple_open, |
| + .read = mtk_qmda_debugfs_read_qos_queue, |
| + .write = mtk_qmda_debugfs_write_qos_queue, |
| + .llseek = default_llseek, |
| + }; |
| + |
| + struct dentry *root; |
| + long i; |
| + char name[16]; |
| + |
| + _eth = eth; |
| + |
| + root = debugfs_lookup("mtk_ppe", NULL); |
| + if (!root) |
| + return -ENOMEM; |
| + |
| + debugfs_create_file("qos_toggle", S_IRUGO, root, eth, &fops_qos); |
| + |
| + for (i = 0; i < eth->soc->txrx.qdma_tx_sch; i++) { |
| + snprintf(name, sizeof(name), "qdma_sch%ld", i); |
| + debugfs_create_file(name, S_IRUGO, root, (void *)i, |
| + &fops_qos_sched); |
| + } |
| + |
| + for (i = 0; i < MTK_QDMA_TX_NUM; i++) { |
| + snprintf(name, sizeof(name), "qdma_txq%ld", i); |
| + debugfs_create_file(name, S_IRUGO, root, (void *)i, |
| + &fops_qos_queue); |
| + } |
| + |
| + return 0; |
| +} |