From db82173f23c5289118142fc76111f99ff809df89 Mon Sep 17 00:00:00 2001 From: Mugunthan V N Date: Sun, 18 Mar 2012 20:17:53 +0000 Subject: netdev: driver: ethernet: add cpsw address lookup engine support TI CPSW ethernet switch has a built-in address lookup engine. This patch adds the code necessary for programming this module. Signed-off-by: Cyril Chemparathy Signed-off-by: Mugunthan V N Signed-off-by: David S. Miller --- drivers/net/ethernet/ti/cpsw_ale.h | 93 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 93 insertions(+) create mode 100644 drivers/net/ethernet/ti/cpsw_ale.h (limited to 'drivers/net/ethernet/ti/cpsw_ale.h') diff --git a/drivers/net/ethernet/ti/cpsw_ale.h b/drivers/net/ethernet/ti/cpsw_ale.h new file mode 100644 index 000000000000..a95b37beb02d --- /dev/null +++ b/drivers/net/ethernet/ti/cpsw_ale.h @@ -0,0 +1,93 @@ +/* + * 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; +}; + +enum cpsw_ale_control { + /* global */ + ALE_ENABLE, + ALE_CLEAR, + ALE_AGEOUT, + 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_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 1 +#define ALE_BLOCKED 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 + +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_add_ucast(struct cpsw_ale *ale, u8 *addr, int port, int flags); +int cpsw_ale_del_ucast(struct cpsw_ale *ale, u8 *addr, int port); +int cpsw_ale_add_mcast(struct cpsw_ale *ale, u8 *addr, int port_mask, + int super, int mcast_state); +int cpsw_ale_del_mcast(struct cpsw_ale *ale, u8 *addr, int port_mask); + +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); + +#endif -- cgit v1.2.3-59-g8ed1b