1 /* 2 * Texas Instruments 3-Port Ethernet Switch Address Lookup Engine APIs 3 * 4 * Copyright (C) 2012 Texas Instruments 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU General Public License as 8 * published by the Free Software Foundation version 2. 9 * 10 * This program is distributed "as is" WITHOUT ANY WARRANTY of any 11 * kind, whether express or implied; without even the implied warranty 12 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 */ 15 #ifndef __TI_CPSW_ALE_H__ 16 #define __TI_CPSW_ALE_H__ 17 18 struct cpsw_ale_params { 19 struct device *dev; 20 void __iomem *ale_regs; 21 unsigned long ale_ageout; /* in secs */ 22 unsigned long ale_entries; 23 unsigned long ale_ports; 24 }; 25 26 struct cpsw_ale { 27 struct cpsw_ale_params params; 28 struct timer_list timer; 29 unsigned long ageout; 30 int allmulti; 31 }; 32 33 enum cpsw_ale_control { 34 /* global */ 35 ALE_ENABLE, 36 ALE_CLEAR, 37 ALE_AGEOUT, 38 ALE_P0_UNI_FLOOD, 39 ALE_VLAN_NOLEARN, 40 ALE_NO_PORT_VLAN, 41 ALE_OUI_DENY, 42 ALE_BYPASS, 43 ALE_RATE_LIMIT_TX, 44 ALE_VLAN_AWARE, 45 ALE_AUTH_ENABLE, 46 ALE_RATE_LIMIT, 47 /* port controls */ 48 ALE_PORT_STATE, 49 ALE_PORT_DROP_UNTAGGED, 50 ALE_PORT_DROP_UNKNOWN_VLAN, 51 ALE_PORT_NOLEARN, 52 ALE_PORT_NO_SA_UPDATE, 53 ALE_PORT_UNKNOWN_VLAN_MEMBER, 54 ALE_PORT_UNKNOWN_MCAST_FLOOD, 55 ALE_PORT_UNKNOWN_REG_MCAST_FLOOD, 56 ALE_PORT_UNTAGGED_EGRESS, 57 ALE_PORT_BCAST_LIMIT, 58 ALE_PORT_MCAST_LIMIT, 59 ALE_NUM_CONTROLS, 60 }; 61 62 enum cpsw_ale_port_state { 63 ALE_PORT_STATE_DISABLE = 0x00, 64 ALE_PORT_STATE_BLOCK = 0x01, 65 ALE_PORT_STATE_LEARN = 0x02, 66 ALE_PORT_STATE_FORWARD = 0x03, 67 }; 68 69 /* ALE unicast entry flags - passed into cpsw_ale_add_ucast() */ 70 #define ALE_SECURE BIT(0) 71 #define ALE_BLOCKED BIT(1) 72 #define ALE_SUPER BIT(2) 73 #define ALE_VLAN BIT(3) 74 75 #define ALE_PORT_HOST BIT(0) 76 #define ALE_PORT_1 BIT(1) 77 #define ALE_PORT_2 BIT(2) 78 79 #define ALE_MCAST_FWD 0 80 #define ALE_MCAST_BLOCK_LEARN_FWD 1 81 #define ALE_MCAST_FWD_LEARN 2 82 #define ALE_MCAST_FWD_2 3 83 84 #define ALE_ENTRY_BITS 68 85 #define ALE_ENTRY_WORDS DIV_ROUND_UP(ALE_ENTRY_BITS, 32) 86 87 struct cpsw_ale *cpsw_ale_create(struct cpsw_ale_params *params); 88 int cpsw_ale_destroy(struct cpsw_ale *ale); 89 90 void cpsw_ale_start(struct cpsw_ale *ale); 91 void cpsw_ale_stop(struct cpsw_ale *ale); 92 93 int cpsw_ale_set_ageout(struct cpsw_ale *ale, int ageout); 94 int cpsw_ale_flush(struct cpsw_ale *ale, int port_mask); 95 int cpsw_ale_flush_multicast(struct cpsw_ale *ale, int port_mask, int vid); 96 int cpsw_ale_add_ucast(struct cpsw_ale *ale, u8 *addr, int port, 97 int flags, u16 vid); 98 int cpsw_ale_del_ucast(struct cpsw_ale *ale, u8 *addr, int port, 99 int flags, u16 vid); 100 int cpsw_ale_add_mcast(struct cpsw_ale *ale, u8 *addr, int port_mask, 101 int flags, u16 vid, int mcast_state); 102 int cpsw_ale_del_mcast(struct cpsw_ale *ale, u8 *addr, int port_mask, 103 int flags, u16 vid); 104 int cpsw_ale_add_vlan(struct cpsw_ale *ale, u16 vid, int port, int untag, 105 int reg_mcast, int unreg_mcast); 106 int cpsw_ale_del_vlan(struct cpsw_ale *ale, u16 vid, int port); 107 void cpsw_ale_set_allmulti(struct cpsw_ale *ale, int allmulti); 108 109 int cpsw_ale_control_get(struct cpsw_ale *ale, int port, int control); 110 int cpsw_ale_control_set(struct cpsw_ale *ale, int port, 111 int control, int value); 112 void cpsw_ale_dump(struct cpsw_ale *ale, u32 *data); 113 114 #endif 115