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 }; 31 32 enum cpsw_ale_control { 33 /* global */ 34 ALE_ENABLE, 35 ALE_CLEAR, 36 ALE_AGEOUT, 37 ALE_P0_UNI_FLOOD, 38 ALE_VLAN_NOLEARN, 39 ALE_NO_PORT_VLAN, 40 ALE_OUI_DENY, 41 ALE_BYPASS, 42 ALE_RATE_LIMIT_TX, 43 ALE_VLAN_AWARE, 44 ALE_AUTH_ENABLE, 45 ALE_RATE_LIMIT, 46 /* port controls */ 47 ALE_PORT_STATE, 48 ALE_PORT_DROP_UNTAGGED, 49 ALE_PORT_DROP_UNKNOWN_VLAN, 50 ALE_PORT_NOLEARN, 51 ALE_PORT_NO_SA_UPDATE, 52 ALE_PORT_UNKNOWN_VLAN_MEMBER, 53 ALE_PORT_UNKNOWN_MCAST_FLOOD, 54 ALE_PORT_UNKNOWN_REG_MCAST_FLOOD, 55 ALE_PORT_UNTAGGED_EGRESS, 56 ALE_PORT_BCAST_LIMIT, 57 ALE_PORT_MCAST_LIMIT, 58 ALE_NUM_CONTROLS, 59 }; 60 61 enum cpsw_ale_port_state { 62 ALE_PORT_STATE_DISABLE = 0x00, 63 ALE_PORT_STATE_BLOCK = 0x01, 64 ALE_PORT_STATE_LEARN = 0x02, 65 ALE_PORT_STATE_FORWARD = 0x03, 66 }; 67 68 /* ALE unicast entry flags - passed into cpsw_ale_add_ucast() */ 69 #define ALE_SECURE BIT(0) 70 #define ALE_BLOCKED BIT(1) 71 #define ALE_SUPER BIT(2) 72 #define ALE_VLAN BIT(3) 73 74 #define ALE_PORT_HOST BIT(0) 75 #define ALE_PORT_1 BIT(1) 76 #define ALE_PORT_2 BIT(2) 77 78 #define ALE_MCAST_FWD 0 79 #define ALE_MCAST_BLOCK_LEARN_FWD 1 80 #define ALE_MCAST_FWD_LEARN 2 81 #define ALE_MCAST_FWD_2 3 82 83 #define ALE_ENTRY_BITS 68 84 #define ALE_ENTRY_WORDS DIV_ROUND_UP(ALE_ENTRY_BITS, 32) 85 86 struct cpsw_ale *cpsw_ale_create(struct cpsw_ale_params *params); 87 int cpsw_ale_destroy(struct cpsw_ale *ale); 88 89 void cpsw_ale_start(struct cpsw_ale *ale); 90 void cpsw_ale_stop(struct cpsw_ale *ale); 91 92 int cpsw_ale_set_ageout(struct cpsw_ale *ale, int ageout); 93 int cpsw_ale_flush(struct cpsw_ale *ale, int port_mask); 94 int cpsw_ale_flush_multicast(struct cpsw_ale *ale, int port_mask); 95 int cpsw_ale_add_ucast(struct cpsw_ale *ale, u8 *addr, int port, 96 int flags, u16 vid); 97 int cpsw_ale_del_ucast(struct cpsw_ale *ale, u8 *addr, int port, 98 int flags, u16 vid); 99 int cpsw_ale_add_mcast(struct cpsw_ale *ale, u8 *addr, int port_mask, 100 int flags, u16 vid, int mcast_state); 101 int cpsw_ale_del_mcast(struct cpsw_ale *ale, u8 *addr, int port_mask, 102 int flags, u16 vid); 103 int cpsw_ale_add_vlan(struct cpsw_ale *ale, u16 vid, int port, int untag, 104 int reg_mcast, int unreg_mcast); 105 int cpsw_ale_del_vlan(struct cpsw_ale *ale, u16 vid, int port); 106 107 int cpsw_ale_control_get(struct cpsw_ale *ale, int port, int control); 108 int cpsw_ale_control_set(struct cpsw_ale *ale, int port, 109 int control, int value); 110 void cpsw_ale_dump(struct cpsw_ale *ale, u32 *data); 111 112 #endif 113