From d413779cdd934cc3bd281a90df865f5d9bd958a8 Mon Sep 17 00:00:00 2001 From: Jiangfeng Xiao Date: Tue, 9 Jul 2019 11:31:11 +0800 Subject: [PATCH] net: hisilicon: Add an tx_desc to adapt HI13X1_GMAC HI13X1 changed the offsets and bitmaps for tx_desc registers in the same peripheral device on different models of the hip04_eth. Signed-off-by: Jiangfeng Xiao Signed-off-by: David S. Miller --- drivers/net/ethernet/hisilicon/hip04_eth.c | 34 ++++++++++++++++++++-- 1 file changed, 31 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/hisilicon/hip04_eth.c b/drivers/net/ethernet/hisilicon/hip04_eth.c index 780fc462cc36..625635771b83 100644 --- a/drivers/net/ethernet/hisilicon/hip04_eth.c +++ b/drivers/net/ethernet/hisilicon/hip04_eth.c @@ -76,8 +76,15 @@ /* TX descriptor config */ #define TX_FREE_MEM BIT(0) #define TX_READ_ALLOC_L3 BIT(1) -#define TX_FINISH_CACHE_INV BIT(2) +#if defined(CONFIG_HI13X1_GMAC) +#define TX_CLEAR_WB BIT(7) +#define TX_RELEASE_TO_PPE BIT(4) +#define TX_FINISH_CACHE_INV BIT(6) +#define TX_POOL_SHIFT 16 +#else #define TX_CLEAR_WB BIT(4) +#define TX_FINISH_CACHE_INV BIT(2) +#endif #define TX_L3_CHECKSUM BIT(5) #define TX_LOOP_BACK BIT(11) @@ -124,6 +131,7 @@ /* buf unit size is cache_line_size, which is 64, so the shift is 6 */ #define PPE_BUF_SIZE_SHIFT 6 #define PPE_TX_BUF_HOLD BIT(31) +#define CACHE_LINE_MASK 0x3F #else #define PPE_CFG_QOS_VMID_GRP_SHIFT 8 #define PPE_CFG_RX_CTRL_ALIGN_SHIFT 11 @@ -163,11 +171,22 @@ #define HIP04_MIN_TX_COALESCE_FRAMES 100 struct tx_desc { +#if defined(CONFIG_HI13X1_GMAC) + u32 reserved1[2]; + u32 send_addr; + u16 send_size; + u16 data_offset; + u32 reserved2[7]; + u32 cfg; + u32 wb_addr; + u32 reserved3[3]; +#else u32 send_addr; u32 send_size; u32 next_addr; u32 cfg; u32 wb_addr; +#endif } __aligned(64); struct rx_desc { @@ -505,11 +524,20 @@ hip04_mac_start_xmit(struct sk_buff *skb, struct net_device *ndev) priv->tx_skb[tx_head] = skb; priv->tx_phys[tx_head] = phys; - desc->send_addr = (__force u32)cpu_to_be32(phys); + desc->send_size = (__force u32)cpu_to_be32(skb->len); +#if defined(CONFIG_HI13X1_GMAC) + desc->cfg = (__force u32)cpu_to_be32(TX_CLEAR_WB | TX_FINISH_CACHE_INV + | TX_RELEASE_TO_PPE | priv->port << TX_POOL_SHIFT); + desc->data_offset = (__force u32)cpu_to_be32(phys & CACHE_LINE_MASK); + desc->send_addr = (__force u32)cpu_to_be32(phys & ~CACHE_LINE_MASK); +#else desc->cfg = (__force u32)cpu_to_be32(TX_CLEAR_WB | TX_FINISH_CACHE_INV); + desc->send_addr = (__force u32)cpu_to_be32(phys); +#endif phys = priv->tx_desc_dma + tx_head * sizeof(struct tx_desc); - desc->wb_addr = (__force u32)cpu_to_be32(phys); + desc->wb_addr = (__force u32)cpu_to_be32(phys + + offsetof(struct tx_desc, send_addr)); skb_tx_timestamp(skb); hip04_set_xmit_desc(priv, phys);