[RFC v2 1/3] net: ethernet: mtk_eth_soc: Add register definitions for RSS and LRO
From: Frank Wunderlich <hidden>
Date: 2025-12-04 17:05:41
Also in:
linux-arm-kernel, linux-mediatek, lkml
Subsystem:
mediatek ethernet driver, networking drivers, the rest · Maintainers:
Felix Fietkau, Lorenzo Bianconi, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Mason Chang <redacted> Add definitions for Receive Side Scaling and Large Receive Offload support. Signed-off-by: Mason Chang <redacted> Signed-off-by: Frank Wunderlich <redacted> --- drivers/net/ethernet/mediatek/mtk_eth_soc.c | 23 +++++++++++++++ drivers/net/ethernet/mediatek/mtk_eth_soc.h | 32 +++++++++++++++------ 2 files changed, 46 insertions(+), 9 deletions(-)
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index e68997a29191..243ff16fd15e 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c@@ -50,13 +50,18 @@ static const struct mtk_reg_map mtk_reg_map = { .rx_ptr = 0x0900, .rx_cnt_cfg = 0x0904, .pcrx_ptr = 0x0908, + .lro_ctrl_dw0 = 0x0980, .glo_cfg = 0x0a04, .rst_idx = 0x0a08, .delay_irq = 0x0a0c, .irq_status = 0x0a20, .irq_mask = 0x0a28, .adma_rx_dbg0 = 0x0a38, + .lro_alt_score_delta = 0x0a4c, .int_grp = 0x0a50, + .lro_rx1_dly_int = 0x0a70, + .lro_ring_dip_dw0 = 0x0b04, + .lro_ring_ctrl_dw1 = 0x0b28, }, .qdma = { .qtx_cfg = 0x1800,
@@ -113,6 +118,7 @@ static const struct mtk_reg_map mt7986_reg_map = { .tx_irq_mask = 0x461c, .tx_irq_status = 0x4618, .pdma = { + .rss_glo_cfg = 0x2800, .rx_ptr = 0x4100, .rx_cnt_cfg = 0x4104, .pcrx_ptr = 0x4108,
@@ -123,6 +129,12 @@ static const struct mtk_reg_map mt7986_reg_map = { .irq_mask = 0x4228, .adma_rx_dbg0 = 0x4238, .int_grp = 0x4250, + .int_grp3 = 0x422c, + .lro_ctrl_dw0 = 0x4180, + .lro_alt_score_delta = 0x424c, + .lro_rx1_dly_int = 0x4270, + .lro_ring_dip_dw0 = 0x4304, + .lro_ring_ctrl_dw1 = 0x4328, }, .qdma = { .qtx_cfg = 0x4400,
@@ -170,10 +182,21 @@ static const struct mtk_reg_map mt7988_reg_map = { .glo_cfg = 0x6a04, .rst_idx = 0x6a08, .delay_irq = 0x6a0c, + .rx_cfg = 0x6a10, .irq_status = 0x6a20, .irq_mask = 0x6a28, .adma_rx_dbg0 = 0x6a38, .int_grp = 0x6a50, + .int_grp3 = 0x6a58, + .tx_delay_irq = 0x6ab0, + .rx_delay_irq = 0x6ac0, + .lro_ctrl_dw0 = 0x6c08, + .lro_alt_score_delta = 0x6c1c, + .lro_ring_dip_dw0 = 0x6c14, + .lro_ring_ctrl_dw1 = 0x6c38, + .lro_alt_dbg = 0x6c40, + .lro_alt_dbg_data = 0x6c44, + .rss_glo_cfg = 0x7000, }, .qdma = { .qtx_cfg = 0x4400,
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
index 0168e2fbc619..334625814b97 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h@@ -1143,16 +1143,30 @@ struct mtk_reg_map { u32 tx_irq_mask; u32 tx_irq_status; struct { - u32 rx_ptr; /* rx base pointer */ - u32 rx_cnt_cfg; /* rx max count configuration */ - u32 pcrx_ptr; /* rx cpu pointer */ - u32 glo_cfg; /* global configuration */ - u32 rst_idx; /* reset index */ - u32 delay_irq; /* delay interrupt */ - u32 irq_status; /* interrupt status */ - u32 irq_mask; /* interrupt mask */ + u32 rx_ptr; /* rx base pointer */ + u32 rx_cnt_cfg; /* rx max count configuration */ + u32 pcrx_ptr; /* rx cpu pointer */ + u32 pdrx_ptr; /* rx dma pointer */ + u32 glo_cfg; /* global configuration */ + u32 rst_idx; /* reset index */ + u32 rx_cfg; /* rx dma configuration */ + u32 delay_irq; /* delay interrupt */ + u32 irq_status; /* interrupt status */ + u32 irq_mask; /* interrupt mask */ u32 adma_rx_dbg0; - u32 int_grp; + u32 int_grp; /* interrupt group1 */ + u32 int_grp3; /* interrupt group3 */ + u32 tx_delay_irq; /* tx delay interrupt */ + u32 rx_delay_irq; /* rx delay interrupt */ + u32 lro_ctrl_dw0; /* lro ctrl dword0 */ + u32 lro_alt_score_delta; /* lro auto-learn score delta */ + u32 lro_rx1_dly_int; /* lro rx ring1 delay interrupt */ + u32 lro_ring_dip_dw0; /* lro ring dip dword0 */ + u32 lro_ring_ctrl_dw1; /* lro ring ctrl dword1 */ + u32 lro_alt_dbg; /* lro auto-learn debug */ + u32 lro_alt_dbg_data; /* lro auto-learn debug data */ + u32 rss_glo_cfg; /* rss global configuration */ + } pdma; struct { u32 qtx_cfg; /* tx queue configuration */
--
2.43.0