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/*
* Texas Instruments 3-Port Ethernet Switch Address Lookup Engine APIs
*
* Copyright (C) 2012 Texas Instruments
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation version 2.
*
* This program is distributed "as is" WITHOUT ANY WARRANTY of any
* kind, whether express or implied; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#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;
};
struct cpsw_ale {
struct cpsw_ale_params params;
struct timer_list timer;
unsigned long ageout;
int allmulti;
};
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_BCAST_LIMIT,
ALE_PORT_MCAST_LIMIT,
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);
int cpsw_ale_destroy(struct cpsw_ale *ale);
void cpsw_ale_start(struct cpsw_ale *ale);
void cpsw_ale_stop(struct cpsw_ale *ale);
int cpsw_ale_set_ageout(struct cpsw_ale *ale, int ageout);
int cpsw_ale_flush(struct cpsw_ale *ale, int port_mask);
int cpsw_ale_flush_multicast(struct cpsw_ale *ale, int port_mask, int vid);
int cpsw_ale_add_ucast(struct cpsw_ale *ale, u8 *addr, int port,
int flags, u16 vid);
int cpsw_ale_del_ucast(struct cpsw_ale *ale, u8 *addr, int port,
int flags, u16 vid);
int cpsw_ale_add_mcast(struct cpsw_ale *ale, u8 *addr, int port_mask,
int flags, u16 vid, int mcast_state);
int cpsw_ale_del_mcast(struct cpsw_ale *ale, 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 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);
#endif
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