linux/drivers/net/ethernet/ti/cpsw_priv.h

499 lines
17 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* Texas Instruments Ethernet Switch Driver
*/
#ifndef DRIVERS_NET_ETHERNET_TI_CPSW_PRIV_H_
#define DRIVERS_NET_ETHERNET_TI_CPSW_PRIV_H_
#include "davinci_cpdma.h"
#define CPSW_DEBUG (NETIF_MSG_HW | NETIF_MSG_WOL | \
NETIF_MSG_DRV | NETIF_MSG_LINK | \
NETIF_MSG_IFUP | NETIF_MSG_INTR | \
NETIF_MSG_PROBE | NETIF_MSG_TIMER | \
NETIF_MSG_IFDOWN | NETIF_MSG_RX_ERR | \
NETIF_MSG_TX_ERR | NETIF_MSG_TX_DONE | \
NETIF_MSG_PKTDATA | NETIF_MSG_TX_QUEUED | \
NETIF_MSG_RX_STATUS)
#define cpsw_info(priv, type, format, ...) \
do { \
if (netif_msg_##type(priv) && net_ratelimit()) \
dev_info(priv->dev, format, ## __VA_ARGS__); \
} while (0)
#define cpsw_err(priv, type, format, ...) \
do { \
if (netif_msg_##type(priv) && net_ratelimit()) \
dev_err(priv->dev, format, ## __VA_ARGS__); \
} while (0)
#define cpsw_dbg(priv, type, format, ...) \
do { \
if (netif_msg_##type(priv) && net_ratelimit()) \
dev_dbg(priv->dev, format, ## __VA_ARGS__); \
} while (0)
#define cpsw_notice(priv, type, format, ...) \
do { \
if (netif_msg_##type(priv) && net_ratelimit()) \
dev_notice(priv->dev, format, ## __VA_ARGS__); \
} while (0)
#define ALE_ALL_PORTS 0x7
#define CPSW_MAJOR_VERSION(reg) (reg >> 8 & 0x7)
#define CPSW_MINOR_VERSION(reg) (reg & 0xff)
#define CPSW_RTL_VERSION(reg) ((reg >> 11) & 0x1f)
#define CPSW_VERSION_1 0x19010a
#define CPSW_VERSION_2 0x19010c
#define CPSW_VERSION_3 0x19010f
#define CPSW_VERSION_4 0x190112
#define HOST_PORT_NUM 0
#define CPSW_ALE_PORTS_NUM 3
#define CPSW_SLAVE_PORTS_NUM 2
#define SLIVER_SIZE 0x40
#define CPSW1_HOST_PORT_OFFSET 0x028
#define CPSW1_SLAVE_OFFSET 0x050
#define CPSW1_SLAVE_SIZE 0x040
#define CPSW1_CPDMA_OFFSET 0x100
#define CPSW1_STATERAM_OFFSET 0x200
#define CPSW1_HW_STATS 0x400
#define CPSW1_CPTS_OFFSET 0x500
#define CPSW1_ALE_OFFSET 0x600
#define CPSW1_SLIVER_OFFSET 0x700
#define CPSW1_WR_OFFSET 0x900
#define CPSW2_HOST_PORT_OFFSET 0x108
#define CPSW2_SLAVE_OFFSET 0x200
#define CPSW2_SLAVE_SIZE 0x100
#define CPSW2_CPDMA_OFFSET 0x800
#define CPSW2_HW_STATS 0x900
#define CPSW2_STATERAM_OFFSET 0xa00
#define CPSW2_CPTS_OFFSET 0xc00
#define CPSW2_ALE_OFFSET 0xd00
#define CPSW2_SLIVER_OFFSET 0xd80
#define CPSW2_BD_OFFSET 0x2000
#define CPSW2_WR_OFFSET 0x1200
#define CPDMA_RXTHRESH 0x0c0
#define CPDMA_RXFREE 0x0e0
#define CPDMA_TXHDP 0x00
#define CPDMA_RXHDP 0x20
#define CPDMA_TXCP 0x40
#define CPDMA_RXCP 0x60
#define CPSW_POLL_WEIGHT 64
#define CPSW_RX_VLAN_ENCAP_HDR_SIZE 4
#define CPSW_MIN_PACKET_SIZE (VLAN_ETH_ZLEN)
#define CPSW_MAX_PACKET_SIZE (VLAN_ETH_FRAME_LEN +\
ETH_FCS_LEN +\
CPSW_RX_VLAN_ENCAP_HDR_SIZE)
#define RX_PRIORITY_MAPPING 0x76543210
#define TX_PRIORITY_MAPPING 0x33221100
#define CPDMA_TX_PRIORITY_MAP 0x76543210
#define CPSW_VLAN_AWARE BIT(1)
#define CPSW_RX_VLAN_ENCAP BIT(2)
#define CPSW_ALE_VLAN_AWARE 1
#define CPSW_FIFO_NORMAL_MODE (0 << 16)
#define CPSW_FIFO_DUAL_MAC_MODE (1 << 16)
#define CPSW_FIFO_RATE_LIMIT_MODE (2 << 16)
#define CPSW_INTPACEEN (0x3f << 16)
#define CPSW_INTPRESCALE_MASK (0x7FF << 0)
#define CPSW_CMINTMAX_CNT 63
#define CPSW_CMINTMIN_CNT 2
#define CPSW_CMINTMAX_INTVL (1000 / CPSW_CMINTMIN_CNT)
#define CPSW_CMINTMIN_INTVL ((1000 / CPSW_CMINTMAX_CNT) + 1)
#define IRQ_NUM 2
#define CPSW_MAX_QUEUES 8
#define CPSW_CPDMA_DESCS_POOL_SIZE_DEFAULT 256
#define CPSW_ALE_AGEOUT_DEFAULT 10 /* sec */
#define CPSW_ALE_NUM_ENTRIES 1024
#define CPSW_FIFO_QUEUE_TYPE_SHIFT 16
#define CPSW_FIFO_SHAPE_EN_SHIFT 16
#define CPSW_FIFO_RATE_EN_SHIFT 20
#define CPSW_TC_NUM 4
#define CPSW_FIFO_SHAPERS_NUM (CPSW_TC_NUM - 1)
#define CPSW_PCT_MASK 0x7f
#define CPSW_BD_RAM_SIZE 0x2000
#define CPSW_RX_VLAN_ENCAP_HDR_PRIO_SHIFT 29
#define CPSW_RX_VLAN_ENCAP_HDR_PRIO_MSK GENMASK(2, 0)
#define CPSW_RX_VLAN_ENCAP_HDR_VID_SHIFT 16
#define CPSW_RX_VLAN_ENCAP_HDR_PKT_TYPE_SHIFT 8
#define CPSW_RX_VLAN_ENCAP_HDR_PKT_TYPE_MSK GENMASK(1, 0)
enum {
CPSW_RX_VLAN_ENCAP_HDR_PKT_VLAN_TAG = 0,
CPSW_RX_VLAN_ENCAP_HDR_PKT_RESERV,
CPSW_RX_VLAN_ENCAP_HDR_PKT_PRIO_TAG,
CPSW_RX_VLAN_ENCAP_HDR_PKT_UNTAG,
};
struct cpsw_wr_regs {
u32 id_ver;
u32 soft_reset;
u32 control;
u32 int_control;
u32 rx_thresh_en;
u32 rx_en;
u32 tx_en;
u32 misc_en;
u32 mem_allign1[8];
u32 rx_thresh_stat;
u32 rx_stat;
u32 tx_stat;
u32 misc_stat;
u32 mem_allign2[8];
u32 rx_imax;
u32 tx_imax;
};
struct cpsw_ss_regs {
u32 id_ver;
u32 control;
u32 soft_reset;
u32 stat_port_en;
u32 ptype;
u32 soft_idle;
u32 thru_rate;
u32 gap_thresh;
u32 tx_start_wds;
u32 flow_control;
u32 vlan_ltype;
u32 ts_ltype;
u32 dlr_ltype;
};
/* CPSW_PORT_V1 */
#define CPSW1_MAX_BLKS 0x00 /* Maximum FIFO Blocks */
#define CPSW1_BLK_CNT 0x04 /* FIFO Block Usage Count (Read Only) */
#define CPSW1_TX_IN_CTL 0x08 /* Transmit FIFO Control */
#define CPSW1_PORT_VLAN 0x0c /* VLAN Register */
#define CPSW1_TX_PRI_MAP 0x10 /* Tx Header Priority to Switch Pri Mapping */
#define CPSW1_TS_CTL 0x14 /* Time Sync Control */
#define CPSW1_TS_SEQ_LTYPE 0x18 /* Time Sync Sequence ID Offset and Msg Type */
#define CPSW1_TS_VLAN 0x1c /* Time Sync VLAN1 and VLAN2 */
/* CPSW_PORT_V2 */
#define CPSW2_CONTROL 0x00 /* Control Register */
#define CPSW2_MAX_BLKS 0x08 /* Maximum FIFO Blocks */
#define CPSW2_BLK_CNT 0x0c /* FIFO Block Usage Count (Read Only) */
#define CPSW2_TX_IN_CTL 0x10 /* Transmit FIFO Control */
#define CPSW2_PORT_VLAN 0x14 /* VLAN Register */
#define CPSW2_TX_PRI_MAP 0x18 /* Tx Header Priority to Switch Pri Mapping */
#define CPSW2_TS_SEQ_MTYPE 0x1c /* Time Sync Sequence ID Offset and Msg Type */
/* CPSW_PORT_V1 and V2 */
#define SA_LO 0x20 /* CPGMAC_SL Source Address Low */
#define SA_HI 0x24 /* CPGMAC_SL Source Address High */
#define SEND_PERCENT 0x28 /* Transmit Queue Send Percentages */
/* CPSW_PORT_V2 only */
#define RX_DSCP_PRI_MAP0 0x30 /* Rx DSCP Priority to Rx Packet Mapping */
#define RX_DSCP_PRI_MAP1 0x34 /* Rx DSCP Priority to Rx Packet Mapping */
#define RX_DSCP_PRI_MAP2 0x38 /* Rx DSCP Priority to Rx Packet Mapping */
#define RX_DSCP_PRI_MAP3 0x3c /* Rx DSCP Priority to Rx Packet Mapping */
#define RX_DSCP_PRI_MAP4 0x40 /* Rx DSCP Priority to Rx Packet Mapping */
#define RX_DSCP_PRI_MAP5 0x44 /* Rx DSCP Priority to Rx Packet Mapping */
#define RX_DSCP_PRI_MAP6 0x48 /* Rx DSCP Priority to Rx Packet Mapping */
#define RX_DSCP_PRI_MAP7 0x4c /* Rx DSCP Priority to Rx Packet Mapping */
/* Bit definitions for the CPSW2_CONTROL register */
#define PASS_PRI_TAGGED BIT(24) /* Pass Priority Tagged */
#define VLAN_LTYPE2_EN BIT(21) /* VLAN LTYPE 2 enable */
#define VLAN_LTYPE1_EN BIT(20) /* VLAN LTYPE 1 enable */
#define DSCP_PRI_EN BIT(16) /* DSCP Priority Enable */
#define TS_107 BIT(15) /* Tyme Sync Dest IP Address 107 */
#define TS_320 BIT(14) /* Time Sync Dest Port 320 enable */
#define TS_319 BIT(13) /* Time Sync Dest Port 319 enable */
#define TS_132 BIT(12) /* Time Sync Dest IP Addr 132 enable */
#define TS_131 BIT(11) /* Time Sync Dest IP Addr 131 enable */
#define TS_130 BIT(10) /* Time Sync Dest IP Addr 130 enable */
#define TS_129 BIT(9) /* Time Sync Dest IP Addr 129 enable */
#define TS_TTL_NONZERO BIT(8) /* Time Sync Time To Live Non-zero enable */
#define TS_ANNEX_F_EN BIT(6) /* Time Sync Annex F enable */
#define TS_ANNEX_D_EN BIT(4) /* Time Sync Annex D enable */
#define TS_LTYPE2_EN BIT(3) /* Time Sync LTYPE 2 enable */
#define TS_LTYPE1_EN BIT(2) /* Time Sync LTYPE 1 enable */
#define TS_TX_EN BIT(1) /* Time Sync Transmit Enable */
#define TS_RX_EN BIT(0) /* Time Sync Receive Enable */
#define CTRL_V2_TS_BITS \
(TS_320 | TS_319 | TS_132 | TS_131 | TS_130 | TS_129 |\
TS_TTL_NONZERO | TS_ANNEX_D_EN | TS_LTYPE1_EN | VLAN_LTYPE1_EN)
#define CTRL_V2_ALL_TS_MASK (CTRL_V2_TS_BITS | TS_TX_EN | TS_RX_EN)
#define CTRL_V2_TX_TS_BITS (CTRL_V2_TS_BITS | TS_TX_EN)
#define CTRL_V2_RX_TS_BITS (CTRL_V2_TS_BITS | TS_RX_EN)
#define CTRL_V3_TS_BITS \
(TS_107 | TS_320 | TS_319 | TS_132 | TS_131 | TS_130 | TS_129 |\
TS_TTL_NONZERO | TS_ANNEX_F_EN | TS_ANNEX_D_EN |\
TS_LTYPE1_EN | VLAN_LTYPE1_EN)
#define CTRL_V3_ALL_TS_MASK (CTRL_V3_TS_BITS | TS_TX_EN | TS_RX_EN)
#define CTRL_V3_TX_TS_BITS (CTRL_V3_TS_BITS | TS_TX_EN)
#define CTRL_V3_RX_TS_BITS (CTRL_V3_TS_BITS | TS_RX_EN)
/* Bit definitions for the CPSW2_TS_SEQ_MTYPE register */
#define TS_SEQ_ID_OFFSET_SHIFT (16) /* Time Sync Sequence ID Offset */
#define TS_SEQ_ID_OFFSET_MASK (0x3f)
#define TS_MSG_TYPE_EN_SHIFT (0) /* Time Sync Message Type Enable */
#define TS_MSG_TYPE_EN_MASK (0xffff)
/* The PTP event messages - Sync, Delay_Req, Pdelay_Req, and Pdelay_Resp. */
#define EVENT_MSG_BITS ((1<<0) | (1<<1) | (1<<2) | (1<<3))
/* Bit definitions for the CPSW1_TS_CTL register */
#define CPSW_V1_TS_RX_EN BIT(0)
#define CPSW_V1_TS_TX_EN BIT(4)
#define CPSW_V1_MSG_TYPE_OFS 16
/* Bit definitions for the CPSW1_TS_SEQ_LTYPE register */
#define CPSW_V1_SEQ_ID_OFS_SHIFT 16
#define CPSW_MAX_BLKS_TX 15
#define CPSW_MAX_BLKS_TX_SHIFT 4
#define CPSW_MAX_BLKS_RX 5
struct cpsw_host_regs {
u32 max_blks;
u32 blk_cnt;
u32 tx_in_ctl;
u32 port_vlan;
u32 tx_pri_map;
u32 cpdma_tx_pri_map;
u32 cpdma_rx_chan_map;
};
struct cpsw_slave_data {
struct device_node *slave_node;
struct device_node *phy_node;
char phy_id[MII_BUS_ID_SIZE];
phy_interface_t phy_if;
u8 mac_addr[ETH_ALEN];
u16 dual_emac_res_vlan; /* Reserved VLAN for DualEMAC */
struct phy *ifphy;
bool disabled;
};
struct cpsw_platform_data {
struct cpsw_slave_data *slave_data;
u32 ss_reg_ofs; /* Subsystem control register offset */
u32 channels; /* number of cpdma channels (symmetric) */
u32 slaves; /* number of slave cpgmac ports */
u32 active_slave;/* time stamping, ethtool and SIOCGMIIPHY slave */
u32 ale_entries; /* ale table size */
u32 bd_ram_size; /*buffer descriptor ram size */
u32 mac_control; /* Mac control register */
u16 default_vlan; /* Def VLAN for ALE lookup in VLAN aware mode*/
bool dual_emac; /* Enable Dual EMAC mode */
};
struct cpsw_slave {
void __iomem *regs;
int slave_num;
u32 mac_control;
struct cpsw_slave_data *data;
struct phy_device *phy;
struct net_device *ndev;
u32 port_vlan;
struct cpsw_sl *mac_sl;
};
static inline u32 slave_read(struct cpsw_slave *slave, u32 offset)
{
return readl_relaxed(slave->regs + offset);
}
static inline void slave_write(struct cpsw_slave *slave, u32 val, u32 offset)
{
writel_relaxed(val, slave->regs + offset);
}
struct cpsw_vector {
struct cpdma_chan *ch;
int budget;
};
struct cpsw_common {
struct device *dev;
struct cpsw_platform_data data;
struct napi_struct napi_rx;
struct napi_struct napi_tx;
struct cpsw_ss_regs __iomem *regs;
struct cpsw_wr_regs __iomem *wr_regs;
u8 __iomem *hw_stats;
struct cpsw_host_regs __iomem *host_port_regs;
u32 version;
u32 coal_intvl;
u32 bus_freq_mhz;
int rx_packet_max;
int descs_pool_size;
struct cpsw_slave *slaves;
struct cpdma_ctlr *dma;
struct cpsw_vector txv[CPSW_MAX_QUEUES];
struct cpsw_vector rxv[CPSW_MAX_QUEUES];
struct cpsw_ale *ale;
bool quirk_irq;
bool rx_irq_disabled;
bool tx_irq_disabled;
u32 irqs_table[IRQ_NUM];
int misc_irq;
struct cpts *cpts;
struct devlink *devlink;
int rx_ch_num, tx_ch_num;
int speed;
int usage_count;
struct page_pool *page_pool[CPSW_MAX_QUEUES];
u8 br_members;
struct net_device *hw_bridge_dev;
bool ale_bypass;
u8 base_mac[ETH_ALEN];
};
struct cpsw_priv {
struct net_device *ndev;
struct device *dev;
u32 msg_enable;
u8 mac_addr[ETH_ALEN];
bool rx_pause;
bool tx_pause;
bool mqprio_hw;
int fifo_bw[CPSW_TC_NUM];
int shp_cfg_speed;
int tx_ts_enabled;
int rx_ts_enabled;
struct bpf_prog *xdp_prog;
struct xdp_rxq_info xdp_rxq[CPSW_MAX_QUEUES];
struct xdp_attachment_info xdpi;
u32 emac_port;
struct cpsw_common *cpsw;
int offload_fwd_mark;
};
#define ndev_to_cpsw(ndev) (((struct cpsw_priv *)netdev_priv(ndev))->cpsw)
#define napi_to_cpsw(napi) container_of(napi, struct cpsw_common, napi)
extern int (*cpsw_slave_index)(struct cpsw_common *cpsw,
struct cpsw_priv *priv);
struct addr_sync_ctx {
struct net_device *ndev;
const u8 *addr; /* address to be synched */
int consumed; /* number of address instances */
int flush; /* flush flag */
};
#define CPSW_XMETA_OFFSET ALIGN(sizeof(struct xdp_frame), sizeof(long))
#define CPSW_XDP_CONSUMED 1
#define CPSW_XDP_PASS 0
struct __aligned(sizeof(long)) cpsw_meta_xdp {
struct net_device *ndev;
int ch;
};
/* The buf includes headroom compatible with both skb and xdpf */
#define CPSW_HEADROOM_NA (max(XDP_PACKET_HEADROOM, NET_SKB_PAD) + NET_IP_ALIGN)
#define CPSW_HEADROOM ALIGN(CPSW_HEADROOM_NA, sizeof(long))
static inline int cpsw_is_xdpf_handle(void *handle)
{
return (unsigned long)handle & BIT(0);
}
static inline void *cpsw_xdpf_to_handle(struct xdp_frame *xdpf)
{
return (void *)((unsigned long)xdpf | BIT(0));
}
static inline struct xdp_frame *cpsw_handle_to_xdpf(void *handle)
{
return (struct xdp_frame *)((unsigned long)handle & ~BIT(0));
}
int cpsw_init_common(struct cpsw_common *cpsw, void __iomem *ss_regs,
int ale_ageout, phys_addr_t desc_mem_phys,
int descs_pool_size);
void cpsw_split_res(struct cpsw_common *cpsw);
int cpsw_fill_rx_channels(struct cpsw_priv *priv);
void cpsw_intr_enable(struct cpsw_common *cpsw);
void cpsw_intr_disable(struct cpsw_common *cpsw);
void cpsw_tx_handler(void *token, int len, int status);
int cpsw_create_xdp_rxqs(struct cpsw_common *cpsw);
void cpsw_destroy_xdp_rxqs(struct cpsw_common *cpsw);
int cpsw_ndo_bpf(struct net_device *ndev, struct netdev_bpf *bpf);
int cpsw_xdp_tx_frame(struct cpsw_priv *priv, struct xdp_frame *xdpf,
struct page *page, int port);
int cpsw_run_xdp(struct cpsw_priv *priv, int ch, struct xdp_buff *xdp,
struct page *page, int port);
irqreturn_t cpsw_tx_interrupt(int irq, void *dev_id);
irqreturn_t cpsw_rx_interrupt(int irq, void *dev_id);
irqreturn_t cpsw_misc_interrupt(int irq, void *dev_id);
int cpsw_tx_mq_poll(struct napi_struct *napi_tx, int budget);
int cpsw_tx_poll(struct napi_struct *napi_tx, int budget);
int cpsw_rx_mq_poll(struct napi_struct *napi_rx, int budget);
int cpsw_rx_poll(struct napi_struct *napi_rx, int budget);
void cpsw_rx_vlan_encap(struct sk_buff *skb);
void soft_reset(const char *module, void __iomem *reg);
void cpsw_set_slave_mac(struct cpsw_slave *slave, struct cpsw_priv *priv);
void cpsw_ndo_tx_timeout(struct net_device *ndev, unsigned int txqueue);
int cpsw_need_resplit(struct cpsw_common *cpsw);
int cpsw_ndo_ioctl(struct net_device *dev, struct ifreq *req, int cmd);
int cpsw_ndo_set_tx_maxrate(struct net_device *ndev, int queue, u32 rate);
int cpsw_ndo_setup_tc(struct net_device *ndev, enum tc_setup_type type,
void *type_data);
bool cpsw_shp_is_off(struct cpsw_priv *priv);
void cpsw_cbs_resume(struct cpsw_slave *slave, struct cpsw_priv *priv);
void cpsw_mqprio_resume(struct cpsw_slave *slave, struct cpsw_priv *priv);
/* ethtool */
u32 cpsw_get_msglevel(struct net_device *ndev);
void cpsw_set_msglevel(struct net_device *ndev, u32 value);
int cpsw_get_coalesce(struct net_device *ndev, struct ethtool_coalesce *coal);
int cpsw_set_coalesce(struct net_device *ndev, struct ethtool_coalesce *coal);
int cpsw_get_sset_count(struct net_device *ndev, int sset);
void cpsw_get_strings(struct net_device *ndev, u32 stringset, u8 *data);
void cpsw_get_ethtool_stats(struct net_device *ndev,
struct ethtool_stats *stats, u64 *data);
void cpsw_get_pauseparam(struct net_device *ndev,
struct ethtool_pauseparam *pause);
void cpsw_get_wol(struct net_device *ndev, struct ethtool_wolinfo *wol);
int cpsw_set_wol(struct net_device *ndev, struct ethtool_wolinfo *wol);
int cpsw_get_regs_len(struct net_device *ndev);
void cpsw_get_regs(struct net_device *ndev, struct ethtool_regs *regs, void *p);
int cpsw_ethtool_op_begin(struct net_device *ndev);
void cpsw_ethtool_op_complete(struct net_device *ndev);
void cpsw_get_channels(struct net_device *ndev, struct ethtool_channels *ch);
int cpsw_get_link_ksettings(struct net_device *ndev,
struct ethtool_link_ksettings *ecmd);
int cpsw_set_link_ksettings(struct net_device *ndev,
const struct ethtool_link_ksettings *ecmd);
int cpsw_get_eee(struct net_device *ndev, struct ethtool_eee *edata);
int cpsw_set_eee(struct net_device *ndev, struct ethtool_eee *edata);
int cpsw_nway_reset(struct net_device *ndev);
void cpsw_get_ringparam(struct net_device *ndev,
struct ethtool_ringparam *ering);
int cpsw_set_ringparam(struct net_device *ndev,
struct ethtool_ringparam *ering);
int cpsw_set_channels_common(struct net_device *ndev,
struct ethtool_channels *chs,
cpdma_handler_fn rx_handler);
int cpsw_get_ts_info(struct net_device *ndev, struct ethtool_ts_info *info);
#endif /* DRIVERS_NET_ETHERNET_TI_CPSW_PRIV_H_ */