#include <linux/dma-mapping.h>
#include <linux/phy.h>
#include <linux/ethtool.h>
+#include <linux/version.h>
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,15,0)
+#define u64_stats_fetch_retry_irq u64_stats_fetch_retry_bh
+#define u64_stats_fetch_begin_irq u64_stats_fetch_begin_bh
+#endif
enum fe_reg {
FE_REG_PDMA_GLO_CFG = 0,
FE_REG_TX_BASE_PTR0,
FE_REG_TX_MAX_CNT0,
FE_REG_TX_CTX_IDX0,
+ FE_REG_TX_DTX_IDX0,
FE_REG_RX_BASE_PTR0,
FE_REG_RX_MAX_CNT0,
FE_REG_RX_CALC_IDX0,
+ FE_REG_RX_DRX_IDX0,
FE_REG_FE_INT_ENABLE,
FE_REG_FE_INT_STATUS,
FE_REG_FE_DMA_VID_BASE,
FE_REG_FE_COUNTER_BASE,
FE_REG_FE_RST_GL,
+ FE_REG_FE_INT_STATUS2,
FE_REG_COUNT
};
-#define FE_DRV_VERSION "0.1.0"
+enum fe_work_flag {
+ FE_FLAG_RESET_PENDING,
+ FE_FLAG_MAX
+};
+
+#define FE_DRV_VERSION "0.1.2"
/* power of 2 to let NEXT_TX_DESP_IDX work */
+#ifdef CONFIG_SOC_MT7621
+#define NUM_DMA_DESC (1 << 9)
+#else
#define NUM_DMA_DESC (1 << 7)
+#endif
#define MAX_DMA_DESC 0xfff
#define FE_DELAY_EN_INT 0x80
#define FE_TX_DLY_INT BIT(1)
#define FE_RX_DLY_INT BIT(0)
+#define FE_RX_DONE_INT FE_RX_DONE_INT0
+#define FE_TX_DONE_INT (FE_TX_DONE_INT0 | FE_TX_DONE_INT1 | \
+ FE_TX_DONE_INT2 | FE_TX_DONE_INT3)
+
#define RT5350_RX_DLY_INT BIT(30)
#define RT5350_TX_DLY_INT BIT(28)
+#define RT5350_RX_DONE_INT1 BIT(17)
+#define RT5350_RX_DONE_INT0 BIT(16)
+#define RT5350_TX_DONE_INT3 BIT(3)
+#define RT5350_TX_DONE_INT2 BIT(2)
+#define RT5350_TX_DONE_INT1 BIT(1)
+#define RT5350_TX_DONE_INT0 BIT(0)
+
+#define RT5350_RX_DONE_INT (RT5350_RX_DONE_INT0 | RT5350_RX_DONE_INT1)
+#define RT5350_TX_DONE_INT (RT5350_TX_DONE_INT0 | RT5350_TX_DONE_INT1 | \
+ RT5350_TX_DONE_INT2 | RT5350_TX_DONE_INT3)
/* registers */
#define FE_FE_OFFSET 0x0000
#define FE_PST_DTX_IDX1 BIT(1)
#define FE_PST_DTX_IDX0 BIT(0)
+#define FE_RX_2B_OFFSET BIT(31)
#define FE_TX_WB_DDONE BIT(6)
#define FE_RX_DMA_BUSY BIT(3)
#define FE_TX_DMA_BUSY BIT(1)
#define FE_US_CYC_CNT_SHIFT 0x8
#define FE_US_CYC_CNT_DIVISOR 1000000
-#define RX_DMA_PLEN0(_x) (((_x) >> 16) & 0x3fff)
-#define RX_DMA_LSO BIT(30)
+/* rxd2 */
#define RX_DMA_DONE BIT(31)
+#define RX_DMA_LSO BIT(30)
+#define RX_DMA_PLEN0(_x) (((_x) >> 16) & 0x3fff)
+#define RX_DMA_TAG BIT(15)
+/* rxd3 */
+#define RX_DMA_TPID(_x) (((_x) >> 16) & 0xffff)
+#define RX_DMA_VID(_x) ((_x) & 0xffff)
+/* rxd4 */
#define RX_DMA_L4VALID BIT(30)
struct fe_rx_dma {
unsigned int rxd4;
} __packed __aligned(4);
-#define TX_DMA_PLEN0_MASK ((0x3fff) << 16)
-#define TX_DMA_PLEN0(_x) (((_x) & 0x3fff) << 16)
-#define TX_DMA_PLEN1(_x) ((_x) & 0x3fff)
-#define TX_DMA_GET_PLEN0(_x) (((_x) >> 16 ) & 0x3fff)
-#define TX_DMA_GET_PLEN1(_x) ((_x) & 0x3fff)
+#define TX_DMA_BUF_LEN 0x3fff
+#define TX_DMA_PLEN0_MASK (TX_DMA_BUF_LEN << 16)
+#define TX_DMA_PLEN0(_x) (((_x) & TX_DMA_BUF_LEN) << 16)
+#define TX_DMA_PLEN1(_x) ((_x) & TX_DMA_BUF_LEN)
+#define TX_DMA_GET_PLEN0(_x) (((_x) >> 16 ) & TX_DMA_BUF_LEN)
+#define TX_DMA_GET_PLEN1(_x) ((_x) & TX_DMA_BUF_LEN)
#define TX_DMA_LS1 BIT(14)
#define TX_DMA_LS0 BIT(30)
#define TX_DMA_DONE BIT(31)
void (*reset_fe)(void);
void (*set_mac)(struct fe_priv *priv, unsigned char *mac);
int (*fwd_config)(struct fe_priv *priv);
- void (*tx_dma)(struct fe_priv *priv, int idx, struct sk_buff *skb);
- void (*rx_dma)(struct fe_priv *priv, int idx, int len);
+ void (*tx_dma)(struct fe_tx_dma *txd);
int (*switch_init)(struct fe_priv *priv);
int (*switch_config)(struct fe_priv *priv);
void (*port_init)(struct fe_priv *priv, struct device_node *port);
void *swpriv;
u32 pdma_glo_cfg;
- u32 rx_dly_int;
- u32 tx_dly_int;
+ u32 rx_int;
+ u32 tx_int;
+ u32 status_int;
u32 checksum_bit;
- u32 tx_udf_bit;
};
#define FE_FLAG_PADDING_64B BIT(0)
#define FE_FLAG_PADDING_BUG BIT(1)
#define FE_FLAG_JUMBO_FRAME BIT(2)
+#define FE_FLAG_RX_2B_OFFSET BIT(3)
+#define FE_FLAG_RX_SG_DMA BIT(4)
+#define FE_FLAG_RX_VLAN_CTAG BIT(5)
+#define FE_FLAG_NAPI_WEIGHT BIT(6)
#define FE_STAT_REG_DECLARE \
_FE(tx_bytes) \
#undef _FE
};
+enum fe_tx_flags {
+ FE_TX_FLAGS_SINGLE0 = 0x01,
+ FE_TX_FLAGS_PAGE0 = 0x02,
+ FE_TX_FLAGS_PAGE1 = 0x04,
+};
+
+struct fe_tx_buf
+{
+ struct sk_buff *skb;
+ u32 flags;
+ DEFINE_DMA_UNMAP_ADDR(dma_addr0);
+ DEFINE_DMA_UNMAP_LEN(dma_len0);
+ DEFINE_DMA_UNMAP_ADDR(dma_addr1);
+ DEFINE_DMA_UNMAP_LEN(dma_len1);
+};
+
struct fe_priv
{
spinlock_t page_lock;
struct napi_struct rx_napi;
struct fe_tx_dma *tx_dma;
- struct sk_buff **tx_skb;
+ struct fe_tx_buf *tx_buf;
dma_addr_t tx_phys;
unsigned int tx_free_idx;
struct fe_hw_stats *hw_stats;
unsigned long vlan_map;
+ struct work_struct pending_work;
+ DECLARE_BITMAP(pending_flags, FE_FLAG_MAX);
};
extern const struct of_device_id of_fe_match[];
void fe_reg_w32(u32 val, enum fe_reg reg);
u32 fe_reg_r32(enum fe_reg reg);
+void fe_reset(u32 reset_bits);
+
static inline void *priv_netdev(struct fe_priv *priv)
{
return (char *)priv - ALIGN(sizeof(struct net_device), NETDEV_ALIGN);