diff options
Diffstat (limited to 'drivers/net/ethernet/ti/cpsw_ale.h')
| -rw-r--r-- | drivers/net/ethernet/ti/cpsw_ale.h | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/drivers/net/ethernet/ti/cpsw_ale.h b/drivers/net/ethernet/ti/cpsw_ale.h new file mode 100644 index 000000000..aba4572cf --- /dev/null +++ b/drivers/net/ethernet/ti/cpsw_ale.h @@ -0,0 +1,143 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Texas Instruments N-Port Ethernet Switch Address Lookup Engine APIs + * + * Copyright (C) 2012 Texas Instruments + * + */ +#ifndef __TI_CPSW_ALE_H__ +#define __TI_CPSW_ALE_H__ + +struct cpsw_ale_params { + struct device *dev; + void __iomem *ale_regs; + unsigned long ale_ageout; /* in secs */ + unsigned long ale_entries; + unsigned long ale_ports; + /* NU Switch has specific handling as number of bits in ALE entries + * are different than other versions of ALE. Also there are specific + * registers for unknown vlan specific fields. So use nu_switch_ale + * to identify this hardware. + */ + bool nu_switch_ale; + /* mask bit used in NU Switch ALE is 3 bits instead of 8 bits. So + * pass it from caller. + */ + u32 major_ver_mask; + const char *dev_id; + unsigned long bus_freq; +}; + +struct ale_entry_fld; + +struct cpsw_ale { + struct cpsw_ale_params params; + struct timer_list timer; + unsigned long ageout; + u32 version; + u32 features; + /* These bits are different on NetCP NU Switch ALE */ + u32 port_mask_bits; + u32 port_num_bits; + u32 vlan_field_bits; + unsigned long *p0_untag_vid_mask; + const struct ale_entry_fld *vlan_entry_tbl; +}; + +enum cpsw_ale_control { + /* global */ + ALE_ENABLE, + ALE_CLEAR, + ALE_AGEOUT, + ALE_P0_UNI_FLOOD, + ALE_VLAN_NOLEARN, + ALE_NO_PORT_VLAN, + ALE_OUI_DENY, + ALE_BYPASS, + ALE_RATE_LIMIT_TX, + ALE_VLAN_AWARE, + ALE_AUTH_ENABLE, + ALE_RATE_LIMIT, + /* port controls */ + ALE_PORT_STATE, + ALE_PORT_DROP_UNTAGGED, + ALE_PORT_DROP_UNKNOWN_VLAN, + ALE_PORT_NOLEARN, + ALE_PORT_NO_SA_UPDATE, + ALE_PORT_UNKNOWN_VLAN_MEMBER, + ALE_PORT_UNKNOWN_MCAST_FLOOD, + ALE_PORT_UNKNOWN_REG_MCAST_FLOOD, + ALE_PORT_UNTAGGED_EGRESS, + ALE_PORT_MACONLY, + ALE_PORT_MACONLY_CAF, + ALE_PORT_BCAST_LIMIT, + ALE_PORT_MCAST_LIMIT, + ALE_DEFAULT_THREAD_ID, + ALE_DEFAULT_THREAD_ENABLE, + ALE_NUM_CONTROLS, +}; + +enum cpsw_ale_port_state { + ALE_PORT_STATE_DISABLE = 0x00, + ALE_PORT_STATE_BLOCK = 0x01, + ALE_PORT_STATE_LEARN = 0x02, + ALE_PORT_STATE_FORWARD = 0x03, +}; + +/* ALE unicast entry flags - passed into cpsw_ale_add_ucast() */ +#define ALE_SECURE BIT(0) +#define ALE_BLOCKED BIT(1) +#define ALE_SUPER BIT(2) +#define ALE_VLAN BIT(3) + +#define ALE_PORT_HOST BIT(0) +#define ALE_PORT_1 BIT(1) +#define ALE_PORT_2 BIT(2) + +#define ALE_MCAST_FWD 0 +#define ALE_MCAST_BLOCK_LEARN_FWD 1 +#define ALE_MCAST_FWD_LEARN 2 +#define ALE_MCAST_FWD_2 3 + +#define ALE_ENTRY_BITS 68 +#define ALE_ENTRY_WORDS DIV_ROUND_UP(ALE_ENTRY_BITS, 32) + +struct cpsw_ale *cpsw_ale_create(struct cpsw_ale_params *params); + +void cpsw_ale_start(struct cpsw_ale *ale); +void cpsw_ale_stop(struct cpsw_ale *ale); + +int cpsw_ale_flush_multicast(struct cpsw_ale *ale, int port_mask, int vid); +int cpsw_ale_add_ucast(struct cpsw_ale *ale, const u8 *addr, int port, + int flags, u16 vid); +int cpsw_ale_del_ucast(struct cpsw_ale *ale, const u8 *addr, int port, + int flags, u16 vid); +int cpsw_ale_add_mcast(struct cpsw_ale *ale, const u8 *addr, int port_mask, + int flags, u16 vid, int mcast_state); +int cpsw_ale_del_mcast(struct cpsw_ale *ale, const u8 *addr, int port_mask, + int flags, u16 vid); +int cpsw_ale_add_vlan(struct cpsw_ale *ale, u16 vid, int port, int untag, + int reg_mcast, int unreg_mcast); +int cpsw_ale_del_vlan(struct cpsw_ale *ale, u16 vid, int port); +void cpsw_ale_set_allmulti(struct cpsw_ale *ale, int allmulti, int port); +int cpsw_ale_rx_ratelimit_bc(struct cpsw_ale *ale, int port, unsigned int ratelimit_pps); +int cpsw_ale_rx_ratelimit_mc(struct cpsw_ale *ale, int port, unsigned int ratelimit_pps); + +int cpsw_ale_control_get(struct cpsw_ale *ale, int port, int control); +int cpsw_ale_control_set(struct cpsw_ale *ale, int port, + int control, int value); +void cpsw_ale_dump(struct cpsw_ale *ale, u32 *data); +u32 cpsw_ale_get_num_entries(struct cpsw_ale *ale); + +static inline int cpsw_ale_get_vlan_p0_untag(struct cpsw_ale *ale, u16 vid) +{ + return test_bit(vid, ale->p0_untag_vid_mask); +} + +int cpsw_ale_vlan_add_modify(struct cpsw_ale *ale, u16 vid, int port_mask, + int untag_mask, int reg_mcast, int unreg_mcast); +int cpsw_ale_vlan_del_modify(struct cpsw_ale *ale, u16 vid, int port_mask); +void cpsw_ale_set_unreg_mcast(struct cpsw_ale *ale, int unreg_mcast_mask, + bool add); + +#endif |