Commit e2f64db1 authored by Sujuan Chen's avatar Sujuan Chen Committed by Paolo Abeni
Browse files

net: ethernet: mtk_wed: introduce WED support for MT7988 



Similar to MT7986 and MT7622, enable Wireless Ethernet Ditpatcher for
MT7988 in order to offload traffic forwarded from LAN/WLAN to WLAN/LAN

Co-developed-by: default avatarLorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: default avatarLorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: default avatarSujuan Chen <sujuan.chen@mediatek.com>
Signed-off-by: default avatarPaolo Abeni <pabeni@redhat.com>
parent 9ae7eca9

drivers/net/ethernet/mediatek/mtk_eth_soc.c

+1 −0
Original line number Diff line number Diff line
@@ -197,6 +197,7 @@ static const struct mtk_reg_map mt7988_reg_map = { 
	.wdma_base = {

		[0]		= 0x4800,

		[1]		= 0x4c00,

		[2]		= 0x5000,

	},

	.pse_iq_sta		= 0x0180,

	.pse_oq_sta		= 0x01a0,

drivers/net/ethernet/mediatek/mtk_eth_soc.h

+1 −1
Original line number Diff line number Diff line
@@ -1132,7 +1132,7 @@ struct mtk_reg_map { 
	u32	gdm1_cnt;

	u32	gdma_to_ppe;

	u32	ppe_base;

	u32	wdma_base[2];

	u32	wdma_base[3];

	u32	pse_iq_sta;

	u32	pse_oq_sta;

};

drivers/net/ethernet/mediatek/mtk_ppe_offload.c

+3 −0
Original line number Diff line number Diff line
@@ -201,6 +201,9 @@ mtk_flow_set_output_device(struct mtk_eth *eth, struct mtk_foe_entry *foe, 
			case 1:

				pse_port = PSE_WDMA1_PORT;

				break;

			case 2:

				pse_port = PSE_WDMA2_PORT;

				break;

			default:

				return -EINVAL;

			}

drivers/net/ethernet/mediatek/mtk_wed.c

+318 −124

File changed.

Preview size limit exceeded, changes collapsed.

drivers/net/ethernet/mediatek/mtk_wed.h

+29 −0
Original line number Diff line number Diff line
@@ -9,6 +9,8 @@ 
#include <linux/regmap.h>

#include <linux/netdevice.h>



#include "mtk_wed_regs.h"



struct mtk_eth;

struct mtk_wed_wo;
@@ -19,6 +21,7 @@ struct mtk_wed_soc_data { 
		u32 reset_idx_tx_mask;

		u32 reset_idx_rx_mask;

	} regmap;

	u32 tx_ring_desc_size;

	u32 wdma_desc_size;

};
@@ -35,6 +38,7 @@ struct mtk_wed_hw { 
	struct dentry *debugfs_dir;

	struct mtk_wed_device *wed_dev;

	struct mtk_wed_wo *wed_wo;

	u32 pcie_base;

	u32 debugfs_reg;

	u32 num_flows;

	u8 version;
@@ -61,6 +65,16 @@ static inline bool mtk_wed_is_v2(struct mtk_wed_hw *hw) 
	return hw->version == 2;

}



static inline bool mtk_wed_is_v3(struct mtk_wed_hw *hw)

{

	return hw->version == 3;

}



static inline bool mtk_wed_is_v3_or_greater(struct mtk_wed_hw *hw)

{

	return hw->version > 2;

}



static inline void

wed_w32(struct mtk_wed_device *dev, u32 reg, u32 val)

{
@@ -143,6 +157,21 @@ wpdma_txfree_w32(struct mtk_wed_device *dev, u32 reg, u32 val) 
	writel(val, dev->txfree_ring.wpdma + reg);

}



static inline u32 mtk_wed_get_pcie_base(struct mtk_wed_device *dev)

{

	if (!mtk_wed_is_v3_or_greater(dev->hw))

		return MTK_WED_PCIE_BASE;



	switch (dev->hw->index) {

	case 1:

		return MTK_WED_PCIE_BASE1;

	case 2:

		return MTK_WED_PCIE_BASE2;

	default:

		return MTK_WED_PCIE_BASE0;

	}

}



void mtk_wed_add_hw(struct device_node *np, struct mtk_eth *eth,

		    void __iomem *wdma, phys_addr_t wdma_phy,

		    int index);