usr/src/lib/libdladm/common/libdladm_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 (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
  23  */
  24
  25 #ifndef _LIBDLADM_IMPL_H
  26 #define _LIBDLADM_IMPL_H
  27
  28 #include <sys/types.h>
  29 #include <sys/mac.h>
  30 #include <sys/mac_flow.h>
  31 #include <libdladm.h>
  32 #include <stdio.h>
  33
  34 #ifdef  __cplusplus
  35 extern "C" {
  36 #endif
  37
  38 #define MAXLINELEN              1024
  39 #define BUFLEN(lim, ptr)        (((lim) > (ptr)) ? ((lim) - (ptr)) : 0)
  40 #define V4_PART_OF_V6(v6)       ((v6)._S6_un._S6_u32[3])
  41
  42 /*
  43  * The handle contains file descriptors to DLD_CONTROL_DEV and
  44  * DLMGMT_DOOR.  Rather than opening the file descriptor each time
  45  * it is required, the handle is opened by consumers of libdladm
  46  * (e.g., dladm) and then passed to libdladm.
  47  */
  48 struct dladm_handle {
  49         int dld_fd;     /* file descriptor to DLD_CONTROL_DEV */
  50         int door_fd;    /* file descriptor to DLMGMT_DOOR */
  51 };
  52
  53 /* DLMGMT_DOOR can only be accessed by libdladm and dlmgmtd */
  54 extern dladm_status_t   dladm_door_fd(dladm_handle_t, int *);
  55
  56 extern dladm_status_t   dladm_errno2status(int);
  57 extern dladm_status_t   i_dladm_rw_db(dladm_handle_t, const char *, mode_t,
  58                             dladm_status_t (*)(dladm_handle_t, void *, FILE *,
  59                             FILE *), void *, boolean_t);
  60 extern dladm_status_t   dladm_get_state(dladm_handle_t, datalink_id_t,
  61                             link_state_t *);
  62 extern void             dladm_find_setbits32(uint32_t, uint32_t *, uint32_t *);
  63 extern dladm_status_t   dladm_parse_args(char *, dladm_arg_list_t **,
  64                             boolean_t);
  65 extern void             dladm_free_args(dladm_arg_list_t *);
  66
  67 /*
  68  * Link attributes persisted by dlmgmtd.
  69  */
  70 /*
  71  * Set for VLANs only
  72  */
  73 #define FVLANID         "vid"           /* uint64_t */
  74 #define FLINKOVER       "linkover"      /* uint64_t */
  75
  76 /*
  77  * Set for AGGRs only
  78  */
  79 #define FKEY            "key"           /* uint64_t */
  80 #define FNPORTS         "nports"        /* uint64_t */
  81 #define FPORTS          "portnames"     /* string */
  82 #define FPOLICY         "policy"        /* uint64_t */
  83 #define FFIXMACADDR     "fix_macaddr"   /* boolean_t */
  84 #define FFORCE          "force"         /* boolean_t */
  85 #define FLACPMODE       "lacp_mode"     /* uint64_t */
  86 #define FLACPTIMER      "lacp_timer"    /* uint64_t */
  87
  88 /*
  89  * Set for VNICs only
  90  */
  91 #define FMADDRTYPE      "maddrtype"     /* uint64_t */
  92 #define FMADDRLEN       "maddrlen"      /* uint64_t */
  93 #define FMADDRSLOT      "maddrslot"     /* uint64_t */
  94 #define FMADDRPREFIXLEN "maddrpreflen"  /* uint64_t */
  95 #define FVRID           "vrid"          /* uint64_t */
  96 #define FVRAF           "vraf"          /* uint64_t */
  97
  98 /*
  99  * Set for simlinks only
 100  */
 101 #define FSIMNETTYPE     "simnettype"    /* uint64_t */
 102 #define FSIMNETPEER     "simnetpeer"    /* uint64_t */
 103
 104 /*
 105  * Set for IB partitions only
 106  */
 107 #define FPORTPKEY       "pkey"          /* uint64_t */
 108
 109 /*
 110  * Common fields
 111  */
 112 #define FMACADDR        "macaddr"       /* string */
 113
 114 /*
 115  * List of all the above attributes.
 116  */
 117 #define DLADM_ATTR_NAMES        FVLANID, FLINKOVER, \
 118                                 FKEY, FNPORTS, FPORTS, FPOLICY, \
 119                                 FFIXMACADDR, FFORCE, FLACPMODE, FLACPTIMER, \
 120                                 FMADDRTYPE, FMADDRLEN, FMADDRSLOT, \
 121                                 FMADDRPREFIXLEN, FVRID, FVRAF,  \
 122                                 FMACADDR, FSIMNETTYPE, FSIMNETPEER
 123
 124 /*
 125  * Data structures used for implementing temporary properties
 126  */
 127
 128 typedef struct val_desc {
 129         char            *vd_name;
 130         uintptr_t       vd_val;
 131 } val_desc_t;
 132
 133 #define VALCNT(vals)    (sizeof ((vals)) / sizeof (val_desc_t))
 134
 135 extern dladm_status_t   dladm_link_proplist_extract(dladm_handle_t,
 136                             dladm_arg_list_t *, mac_resource_props_t *,
 137                             uint_t);
 138
 139 extern dladm_status_t   dladm_flow_proplist_extract(dladm_arg_list_t *,
 140                             mac_resource_props_t *);
 141
 142 /*
 143  * The prop extract() callback.
 144  *
 145  * rp_extract extracts the kernel structure from the val_desc_t created
 146  * by the pd_check function.
 147  */
 148 typedef dladm_status_t  rp_extractf_t(val_desc_t *, uint_t, void *);
 149 extern rp_extractf_t    extract_maxbw, extract_priority,
 150                         extract_cpus, extract_protection,
 151                         extract_allowedips, extract_allowedcids,
 152                         extract_rxrings, extract_txrings, extract_pool;
 153
 154 typedef struct resource_prop_s {
 155         /*
 156          * resource property name
 157          */
 158         char            *rp_name;
 159
 160         /*
 161          * callback to extract kernel structure
 162          */
 163         rp_extractf_t   *rp_extract;
 164 } resource_prop_t;
 165
 166 /*
 167  * Set for bridged links only
 168  */
 169 #define FBRIDGE         "bridge"        /* string */
 170
 171 #ifdef  __cplusplus
 172 }
 173 #endif
 174
 175 #endif  /* _LIBDLADM_IMPL_H */