drivers/net/ethernet/ti/cpsw_ale.h

   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_VLAN_NOLEARN,
  38         ALE_NO_PORT_VLAN,
  39         ALE_OUI_DENY,
  40         ALE_BYPASS,
  41         ALE_RATE_LIMIT_TX,
  42         ALE_VLAN_AWARE,
  43         ALE_AUTH_ENABLE,
  44         ALE_RATE_LIMIT,
  45         /* port controls */
  46         ALE_PORT_STATE,
  47         ALE_PORT_DROP_UNTAGGED,
  48         ALE_PORT_DROP_UNKNOWN_VLAN,
  49         ALE_PORT_NOLEARN,
  50         ALE_PORT_UNKNOWN_VLAN_MEMBER,
  51         ALE_PORT_UNKNOWN_MCAST_FLOOD,
  52         ALE_PORT_UNKNOWN_REG_MCAST_FLOOD,
  53         ALE_PORT_UNTAGGED_EGRESS,
  54         ALE_PORT_BCAST_LIMIT,
  55         ALE_PORT_MCAST_LIMIT,
  56         ALE_NUM_CONTROLS,
  57 };
  58
  59 enum cpsw_ale_port_state {
  60         ALE_PORT_STATE_DISABLE  = 0x00,
  61         ALE_PORT_STATE_BLOCK    = 0x01,
  62         ALE_PORT_STATE_LEARN    = 0x02,
  63         ALE_PORT_STATE_FORWARD  = 0x03,
  64 };
  65
  66 /* ALE unicast entry flags - passed into cpsw_ale_add_ucast() */
  67 #define ALE_SECURE                      1
  68 #define ALE_BLOCKED                     2
  69
  70 #define ALE_MCAST_FWD                   0
  71 #define ALE_MCAST_BLOCK_LEARN_FWD       1
  72 #define ALE_MCAST_FWD_LEARN             2
  73 #define ALE_MCAST_FWD_2                 3
  74
  75 struct cpsw_ale *cpsw_ale_create(struct cpsw_ale_params *params);
  76 int cpsw_ale_destroy(struct cpsw_ale *ale);
  77
  78 void cpsw_ale_start(struct cpsw_ale *ale);
  79 void cpsw_ale_stop(struct cpsw_ale *ale);
  80
  81 int cpsw_ale_set_ageout(struct cpsw_ale *ale, int ageout);
  82 int cpsw_ale_flush(struct cpsw_ale *ale, int port_mask);
  83 int cpsw_ale_add_ucast(struct cpsw_ale *ale, u8 *addr, int port, int flags);
  84 int cpsw_ale_del_ucast(struct cpsw_ale *ale, u8 *addr, int port);
  85 int cpsw_ale_add_mcast(struct cpsw_ale *ale, u8 *addr, int port_mask,
  86                         int super, int mcast_state);
  87 int cpsw_ale_del_mcast(struct cpsw_ale *ale, u8 *addr, int port_mask);
  88
  89 int cpsw_ale_control_get(struct cpsw_ale *ale, int port, int control);
  90 int cpsw_ale_control_set(struct cpsw_ale *ale, int port,
  91                          int control, int value);
  92
  93 #endif