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         int                     allmulti;
  31 };
  32
  33 enum cpsw_ale_control {
  34         /* global */
  35         ALE_ENABLE,
  36         ALE_CLEAR,
  37         ALE_AGEOUT,
  38         ALE_P0_UNI_FLOOD,
  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,
  52         ALE_PORT_NO_SA_UPDATE,
  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() */
  70 #define ALE_SECURE                      BIT(0)
  71 #define ALE_BLOCKED                     BIT(1)
  72 #define ALE_SUPER                       BIT(2)
  73 #define ALE_VLAN                        BIT(3)
  74
  75 #define ALE_PORT_HOST                   BIT(0)
  76 #define ALE_PORT_1                      BIT(1)
  77 #define ALE_PORT_2                      BIT(2)
  78
  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
  84 #define ALE_ENTRY_BITS          68
  85 #define ALE_ENTRY_WORDS DIV_ROUND_UP(ALE_ENTRY_BITS, 32)
  86
  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
  93 int cpsw_ale_flush_multicast(struct cpsw_ale *ale, int port_mask, int vid);
  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);
  98 int cpsw_ale_add_mcast(struct cpsw_ale *ale, u8 *addr, int port_mask,
  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);
 105 void cpsw_ale_set_allmulti(struct cpsw_ale *ale, int allmulti);
 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