usr/src/uts/common/sys/dls_impl.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  23  * Use is subject to license terms.
  24  */
  25
  26 #ifndef _SYS_DLS_IMPL_H
  27 #define _SYS_DLS_IMPL_H
  28
  29 #include <sys/stream.h>
  30 #include <sys/dls.h>
  31 #include <sys/mac_provider.h>
  32 #include <sys/mac_client.h>
  33 #include <sys/mac_client_priv.h>
  34 #include <sys/modhash.h>
  35 #include <sys/kstat.h>
  36 #include <net/if.h>
  37 #include <sys/dlpi.h>
  38
  39 #ifdef  __cplusplus
  40 extern "C" {
  41 #endif
  42
  43 typedef struct dls_multicst_addr_s {
  44         struct dls_multicst_addr_s      *dma_nextp;             /* ds_rw_lock */
  45         uint8_t                         dma_addr[MAXMACADDRLEN];
  46 } dls_multicst_addr_t;
  47
  48 struct dls_link_s {                             /* Protected by */
  49         char                    dl_name[MAXNAMELEN];    /* SL */
  50         uint_t                  dl_ddi_instance;        /* SL */
  51         mac_handle_t            dl_mh;                  /* SL */
  52         mac_client_handle_t     dl_mch;                 /* SL */
  53         mac_unicast_handle_t    dl_mah;                 /* SL */
  54         const mac_info_t        *dl_mip;                /* SL */
  55         uint_t                  dl_ref;                 /* SL */
  56         mod_hash_t              *dl_str_hash;           /* SL, modhash lock */
  57         uint_t                  dl_impl_count;          /* SL */
  58         uint_t                  dl_nactive;             /* SL */
  59         uint32_t                dl_unknowns;            /* atomic */
  60         zoneid_t                dl_zid;
  61         uint_t                  dl_zone_ref;
  62         link_tagmode_t          dl_tagmode;             /* atomic */
  63 };
  64
  65 typedef struct dls_head_s {
  66         kmutex_t                dh_lock;
  67         struct dld_str_s        *dh_list;               /* dh_ref */
  68         uint_t                  dh_ref;                 /* dh_lock */
  69         mod_hash_key_t          dh_key;                 /* SL */
  70         kcondvar_t              dh_cv;                  /* dh_lock */
  71         uint_t                  dh_removing;            /* dh_lock */
  72 } dls_head_t;
  73
  74 extern mod_hash_t       *i_dls_link_hash;
  75
  76 extern void             dls_link_init(void);
  77 extern int              dls_link_fini(void);
  78 extern int              dls_link_hold(const char *, dls_link_t **);
  79 extern int              dls_link_hold_create(const char *, dls_link_t **);
  80 extern int              dls_link_hold_by_dev(dev_t, dls_link_t **);
  81 extern void             dls_link_rele(dls_link_t *);
  82 extern int              dls_link_rele_by_name(const char *);
  83 extern void             dls_link_add(dls_link_t *, uint32_t, dld_str_t *);
  84 extern void             dls_link_remove(dls_link_t *, dld_str_t *);
  85 extern int              dls_link_header_info(dls_link_t *, mblk_t *,
  86                             mac_header_info_t *);
  87 extern int              dls_link_setzid(const char *, zoneid_t);
  88 extern dev_info_t       *dls_link_devinfo(dev_t);
  89 extern dev_t            dls_link_dev(dls_link_t *);
  90
  91 extern void             i_dls_head_rele(dls_head_t *);
  92 extern int              dls_mac_active_set(dls_link_t *i);
  93 extern void             dls_mac_active_clear(dls_link_t *);
  94
  95 extern void             dls_create_str_kstats(dld_str_t *);
  96 extern int              dls_stat_update(kstat_t *, dls_link_t *, int);
  97 extern int              dls_stat_create(const char *, int, const char *,
  98                             int (*)(struct kstat *, int), void *, kstat_t **);
  99
 100 extern int              dls_devnet_open_by_dev(dev_t, dls_link_t **,
 101                             dls_dl_handle_t *);
 102 extern int              dls_devnet_hold_link(datalink_id_t, dls_dl_handle_t *,
 103                             dls_link_t **);
 104 extern void             dls_devnet_rele_link(dls_dl_handle_t, dls_link_t *);
 105
 106 extern void             dls_init(void);
 107 extern int              dls_fini(void);
 108 extern void             dls_link_txloop(void *, mblk_t *);
 109 extern boolean_t        dls_accept(dld_str_t *, mac_header_info_t *,
 110                             dls_rx_t *, void **);
 111 extern boolean_t        dls_accept_loopback(dld_str_t *, mac_header_info_t *,
 112                             dls_rx_t *, void **);
 113 extern boolean_t        dls_accept_promisc(dld_str_t *, mac_header_info_t *,
 114                             dls_rx_t *, void **, boolean_t);
 115 extern void             i_dls_link_rx(void *, mac_resource_handle_t, mblk_t *,
 116                             boolean_t);
 117 extern void             dls_rx_promisc(void *, mac_resource_handle_t, mblk_t *,
 118                             boolean_t);
 119 extern void             dls_rx_vlan_promisc(void *, mac_resource_handle_t,
 120                             mblk_t *, boolean_t);
 121 extern int              dls_active_set(dld_str_t *);
 122 extern void             dls_active_clear(dld_str_t *);
 123
 124 extern void             dls_mgmt_init(void);
 125 extern void             dls_mgmt_fini(void);
 126
 127 extern int              dls_mgmt_get_phydev(datalink_id_t, dev_t *);
 128
 129 #ifdef  __cplusplus
 130 }
 131 #endif
 132
 133 #endif  /* _SYS_DLS_IMPL_H */