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