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	This is required for rx flow offloading on mt76 with MT7986 and MT7915 Signed-off-by: Felix Fietkau <nbd@nbd.name>
		
			
				
	
	
		
			150 lines
		
	
	
		
			4.5 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
			
		
		
	
	
			150 lines
		
	
	
		
			4.5 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
| From: Lorenzo Bianconi <lorenzo@kernel.org>
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| Date: Sat, 5 Nov 2022 23:36:22 +0100
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| Subject: [PATCH] net: ethernet: mtk_wed: add rx mib counters
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| 
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| Introduce WED RX MIB counters support available on MT7986a SoC.
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| 
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| Tested-by: Daniel Golle <daniel@makrotopia.org>
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| Co-developed-by: Sujuan Chen <sujuan.chen@mediatek.com>
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| Signed-off-by: Sujuan Chen <sujuan.chen@mediatek.com>
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| Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
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| Signed-off-by: David S. Miller <davem@davemloft.net>
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| ---
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| 
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| --- a/drivers/net/ethernet/mediatek/mtk_wed_debugfs.c
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| +++ b/drivers/net/ethernet/mediatek/mtk_wed_debugfs.c
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| @@ -2,6 +2,7 @@
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|  /* Copyright (C) 2021 Felix Fietkau <nbd@nbd.name> */
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|  
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|  #include <linux/seq_file.h>
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| +#include <linux/soc/mediatek/mtk_wed.h>
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|  #include "mtk_wed.h"
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|  #include "mtk_wed_regs.h"
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|  
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| @@ -18,6 +19,8 @@ enum {
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|  	DUMP_TYPE_WDMA,
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|  	DUMP_TYPE_WPDMA_TX,
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|  	DUMP_TYPE_WPDMA_TXFREE,
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| +	DUMP_TYPE_WPDMA_RX,
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| +	DUMP_TYPE_WED_RRO,
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|  };
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|  
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|  #define DUMP_STR(_str) { _str, 0, DUMP_TYPE_STRING }
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| @@ -36,6 +39,9 @@ enum {
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|  
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|  #define DUMP_WPDMA_TX_RING(_n) DUMP_RING("WPDMA_TX" #_n, 0, DUMP_TYPE_WPDMA_TX, _n)
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|  #define DUMP_WPDMA_TXFREE_RING DUMP_RING("WPDMA_RX1", 0, DUMP_TYPE_WPDMA_TXFREE)
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| +#define DUMP_WPDMA_RX_RING(_n)	DUMP_RING("WPDMA_RX" #_n, 0, DUMP_TYPE_WPDMA_RX, _n)
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| +#define DUMP_WED_RRO_RING(_base)DUMP_RING("WED_RRO_MIOD", MTK_##_base, DUMP_TYPE_WED_RRO)
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| +#define DUMP_WED_RRO_FDBK(_base)DUMP_RING("WED_RRO_FDBK", MTK_##_base, DUMP_TYPE_WED_RRO)
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|  
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|  static void
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|  print_reg_val(struct seq_file *s, const char *name, u32 val)
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| @@ -57,6 +63,7 @@ dump_wed_regs(struct seq_file *s, struct
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|  				   cur > regs ? "\n" : "",
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|  				   cur->name);
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|  			continue;
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| +		case DUMP_TYPE_WED_RRO:
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|  		case DUMP_TYPE_WED:
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|  			val = wed_r32(dev, cur->offset);
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|  			break;
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| @@ -69,6 +76,9 @@ dump_wed_regs(struct seq_file *s, struct
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|  		case DUMP_TYPE_WPDMA_TXFREE:
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|  			val = wpdma_txfree_r32(dev, cur->offset);
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|  			break;
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| +		case DUMP_TYPE_WPDMA_RX:
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| +			val = wpdma_rx_r32(dev, cur->base, cur->offset);
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| +			break;
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|  		}
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|  		print_reg_val(s, cur->name, val);
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|  	}
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| @@ -132,6 +142,80 @@ wed_txinfo_show(struct seq_file *s, void
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|  }
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|  DEFINE_SHOW_ATTRIBUTE(wed_txinfo);
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|  
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| +static int
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| +wed_rxinfo_show(struct seq_file *s, void *data)
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| +{
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| +	static const struct reg_dump regs[] = {
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| +		DUMP_STR("WPDMA RX"),
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| +		DUMP_WPDMA_RX_RING(0),
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| +		DUMP_WPDMA_RX_RING(1),
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| +
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| +		DUMP_STR("WPDMA RX"),
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| +		DUMP_WED(WED_WPDMA_RX_D_MIB(0)),
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| +		DUMP_WED_RING(WED_WPDMA_RING_RX_DATA(0)),
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| +		DUMP_WED(WED_WPDMA_RX_D_PROCESSED_MIB(0)),
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| +		DUMP_WED(WED_WPDMA_RX_D_MIB(1)),
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| +		DUMP_WED_RING(WED_WPDMA_RING_RX_DATA(1)),
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| +		DUMP_WED(WED_WPDMA_RX_D_PROCESSED_MIB(1)),
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| +		DUMP_WED(WED_WPDMA_RX_D_COHERENT_MIB),
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| +
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| +		DUMP_STR("WED RX"),
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| +		DUMP_WED_RING(WED_RING_RX_DATA(0)),
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| +		DUMP_WED_RING(WED_RING_RX_DATA(1)),
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| +
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| +		DUMP_STR("WED RRO"),
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| +		DUMP_WED_RRO_RING(WED_RROQM_MIOD_CTRL0),
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| +		DUMP_WED(WED_RROQM_MID_MIB),
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| +		DUMP_WED(WED_RROQM_MOD_MIB),
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| +		DUMP_WED(WED_RROQM_MOD_COHERENT_MIB),
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| +		DUMP_WED_RRO_FDBK(WED_RROQM_FDBK_CTRL0),
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| +		DUMP_WED(WED_RROQM_FDBK_IND_MIB),
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| +		DUMP_WED(WED_RROQM_FDBK_ENQ_MIB),
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| +		DUMP_WED(WED_RROQM_FDBK_ANC_MIB),
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| +		DUMP_WED(WED_RROQM_FDBK_ANC2H_MIB),
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| +
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| +		DUMP_STR("WED Route QM"),
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| +		DUMP_WED(WED_RTQM_R2H_MIB(0)),
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| +		DUMP_WED(WED_RTQM_R2Q_MIB(0)),
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| +		DUMP_WED(WED_RTQM_Q2H_MIB(0)),
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| +		DUMP_WED(WED_RTQM_R2H_MIB(1)),
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| +		DUMP_WED(WED_RTQM_R2Q_MIB(1)),
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| +		DUMP_WED(WED_RTQM_Q2H_MIB(1)),
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| +		DUMP_WED(WED_RTQM_Q2N_MIB),
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| +		DUMP_WED(WED_RTQM_Q2B_MIB),
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| +		DUMP_WED(WED_RTQM_PFDBK_MIB),
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| +
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| +		DUMP_STR("WED WDMA TX"),
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| +		DUMP_WED(WED_WDMA_TX_MIB),
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| +		DUMP_WED_RING(WED_WDMA_RING_TX),
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| +
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| +		DUMP_STR("WDMA TX"),
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| +		DUMP_WDMA(WDMA_GLO_CFG),
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| +		DUMP_WDMA_RING(WDMA_RING_TX(0)),
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| +		DUMP_WDMA_RING(WDMA_RING_TX(1)),
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| +
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| +		DUMP_STR("WED RX BM"),
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| +		DUMP_WED(WED_RX_BM_BASE),
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| +		DUMP_WED(WED_RX_BM_RX_DMAD),
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| +		DUMP_WED(WED_RX_BM_PTR),
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| +		DUMP_WED(WED_RX_BM_TKID_MIB),
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| +		DUMP_WED(WED_RX_BM_BLEN),
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| +		DUMP_WED(WED_RX_BM_STS),
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| +		DUMP_WED(WED_RX_BM_INTF2),
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| +		DUMP_WED(WED_RX_BM_INTF),
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| +		DUMP_WED(WED_RX_BM_ERR_STS),
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| +	};
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| +	struct mtk_wed_hw *hw = s->private;
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| +	struct mtk_wed_device *dev = hw->wed_dev;
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| +
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| +	if (!dev)
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| +		return 0;
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| +
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| +	dump_wed_regs(s, dev, regs, ARRAY_SIZE(regs));
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| +
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| +	return 0;
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| +}
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| +DEFINE_SHOW_ATTRIBUTE(wed_rxinfo);
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|  
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|  static int
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|  mtk_wed_reg_set(void *data, u64 val)
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| @@ -175,4 +259,7 @@ void mtk_wed_hw_add_debugfs(struct mtk_w
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|  	debugfs_create_u32("regidx", 0600, dir, &hw->debugfs_reg);
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|  	debugfs_create_file_unsafe("regval", 0600, dir, hw, &fops_regval);
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|  	debugfs_create_file_unsafe("txinfo", 0400, dir, hw, &wed_txinfo_fops);
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| +	if (hw->version != 1)
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| +		debugfs_create_file_unsafe("rxinfo", 0400, dir, hw,
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| +					   &wed_rxinfo_fops);
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|  }
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