[deliverable/linux.git] / drivers / net / ethernet / ti / cpsw_ale.h

/*
 * 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_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
Commit	Line	Data
db82173f M	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;
1e5c4bc4	30	int allmulti;
db82173f M	31	};
	32
	33	enum cpsw_ale_control {
	34	/* global */
	35	ALE_ENABLE,
	36	ALE_CLEAR,
	37	ALE_AGEOUT,
0cd8f9cc	38	ALE_P0_UNI_FLOOD,
db82173f M	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,
0cd8f9cc	52	ALE_PORT_NO_SA_UPDATE,
db82173f M	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() */
e11b220f M	70	#define ALE_SECURE BIT(0)
	71	#define ALE_BLOCKED BIT(1)
	72	#define ALE_SUPER BIT(2)
	73	#define ALE_VLAN BIT(3)
db82173f	74
3b72c2fe M	75	#define ALE_PORT_HOST BIT(0)
	76	#define ALE_PORT_1 BIT(1)
	77	#define ALE_PORT_2 BIT(2)
	78
db82173f M	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
52c4f0ec M	84	#define ALE_ENTRY_BITS 68
	85	#define ALE_ENTRY_WORDS DIV_ROUND_UP(ALE_ENTRY_BITS, 32)
	86
db82173f M	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
25906052	93	int cpsw_ale_flush_multicast(struct cpsw_ale *ale, int port_mask, int vid);
e11b220f M	94	int cpsw_ale_add_ucast(struct cpsw_ale ale, u8 addr, int port,
	95	int flags, u16 vid);
	96	int cpsw_ale_del_ucast(struct cpsw_ale ale, u8 addr, int port,
	97	int flags, u16 vid);
db82173f	98	int cpsw_ale_add_mcast(struct cpsw_ale ale, u8 addr, int port_mask,
e11b220f M	99	int flags, u16 vid, int mcast_state);
	100	int cpsw_ale_del_mcast(struct cpsw_ale ale, u8 addr, int port_mask,
	101	int flags, u16 vid);
	102	int cpsw_ale_add_vlan(struct cpsw_ale *ale, u16 vid, int port, int untag,
	103	int reg_mcast, int unreg_mcast);
	104	int cpsw_ale_del_vlan(struct cpsw_ale *ale, u16 vid, int port);
1e5c4bc4	105	void cpsw_ale_set_allmulti(struct cpsw_ale *ale, int allmulti);
db82173f M	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);
52c4f0ec	110	void cpsw_ale_dump(struct cpsw_ale ale, u32 data);
db82173f M	111
db82173f M	112	#endif