The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

FreeBSD/Linux Kernel Cross Reference
sys/net80211/ieee80211_action.c

Version: -  FREEBSD  -  FREEBSD-13-STABLE  -  FREEBSD-13-0  -  FREEBSD-12-STABLE  -  FREEBSD-12-0  -  FREEBSD-11-STABLE  -  FREEBSD-11-0  -  FREEBSD-10-STABLE  -  FREEBSD-10-0  -  FREEBSD-9-STABLE  -  FREEBSD-9-0  -  FREEBSD-8-STABLE  -  FREEBSD-8-0  -  FREEBSD-7-STABLE  -  FREEBSD-7-0  -  FREEBSD-6-STABLE  -  FREEBSD-6-0  -  FREEBSD-5-STABLE  -  FREEBSD-5-0  -  FREEBSD-4-STABLE  -  FREEBSD-3-STABLE  -  FREEBSD22  -  l41  -  OPENBSD  -  linux-2.6  -  MK84  -  PLAN9  -  xnu-8792 
SearchContext: -  none  -  3  -  10 

    1 /*-
    2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
    3  *
    4  * Copyright (c) 2009 Sam Leffler, Errno Consulting
    5  * All rights reserved.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice, this list of conditions and the following disclaimer.
   12  * 2. Redistributions in binary form must reproduce the above copyright
   13  *    notice, this list of conditions and the following disclaimer in the
   14  *    documentation and/or other materials provided with the distribution.
   15  *
   16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   26  */
   27 
   28 #include <sys/cdefs.h>
   29 #ifdef __FreeBSD__
   30 __FBSDID("$FreeBSD$");
   31 #endif
   32 
   33 /*
   34  * IEEE 802.11 send/recv action frame support.
   35  */
   36 
   37 #include "opt_inet.h"
   38 #include "opt_wlan.h"
   39 
   40 #include <sys/param.h>
   41 #include <sys/kernel.h>
   42 #include <sys/malloc.h>
   43 #include <sys/systm.h> 
   44  
   45 #include <sys/socket.h>
   46 
   47 #include <net/if.h>
   48 #include <net/if_var.h>
   49 #include <net/if_media.h>
   50 #include <net/ethernet.h>
   51 
   52 #include <net80211/ieee80211_var.h>
   53 #include <net80211/ieee80211_action.h>
   54 #include <net80211/ieee80211_mesh.h>
   55 
   56 static int
   57 send_inval(struct ieee80211_node *ni, int cat, int act, void *sa)
   58 {
   59         return EINVAL;
   60 }
   61 
   62 static ieee80211_send_action_func *ba_send_action[8] = {
   63         send_inval, send_inval, send_inval, send_inval,
   64         send_inval, send_inval, send_inval, send_inval,
   65 };
   66 static ieee80211_send_action_func *ht_send_action[8] = {
   67         send_inval, send_inval, send_inval, send_inval,
   68         send_inval, send_inval, send_inval, send_inval,
   69 };
   70 static ieee80211_send_action_func *meshpl_send_action[8] = {
   71         send_inval, send_inval, send_inval, send_inval,
   72         send_inval, send_inval, send_inval, send_inval,
   73 };
   74 static ieee80211_send_action_func *meshaction_send_action[12] = {
   75         send_inval, send_inval, send_inval, send_inval,
   76         send_inval, send_inval, send_inval, send_inval,
   77         send_inval, send_inval, send_inval, send_inval,
   78 };
   79 static ieee80211_send_action_func *vendor_send_action[8] = {
   80         send_inval, send_inval, send_inval, send_inval,
   81         send_inval, send_inval, send_inval, send_inval,
   82 };
   83 
   84 static ieee80211_send_action_func *vht_send_action[3] = {
   85         send_inval, send_inval, send_inval,
   86 };
   87 
   88 int
   89 ieee80211_send_action_register(int cat, int act, ieee80211_send_action_func *f)
   90 {
   91         switch (cat) {
   92         case IEEE80211_ACTION_CAT_BA:
   93                 if (act >= nitems(ba_send_action))
   94                         break;
   95                 ba_send_action[act] = f;
   96                 return 0;
   97         case IEEE80211_ACTION_CAT_HT:
   98                 if (act >= nitems(ht_send_action))
   99                         break;
  100                 ht_send_action[act] = f;
  101                 return 0;
  102         case IEEE80211_ACTION_CAT_SELF_PROT:
  103                 if (act >= nitems(meshpl_send_action))
  104                         break;
  105                 meshpl_send_action[act] = f;
  106                 return 0;
  107         case IEEE80211_ACTION_CAT_MESH:
  108                 if (act >= nitems(meshaction_send_action))
  109                         break;
  110                 meshaction_send_action[act] = f;
  111                 return 0;
  112         case IEEE80211_ACTION_CAT_VENDOR:
  113                 if (act >= nitems(vendor_send_action))
  114                         break;
  115                 vendor_send_action[act] = f;
  116                 return 0;
  117         case IEEE80211_ACTION_CAT_VHT:
  118                 if (act >= nitems(vht_send_action))
  119                         break;
  120                 vht_send_action[act] = f;
  121                 return 0;
  122         }
  123         return EINVAL;
  124 }
  125 
  126 void
  127 ieee80211_send_action_unregister(int cat, int act)
  128 {
  129         ieee80211_send_action_register(cat, act, send_inval);
  130 }
  131 
  132 int
  133 ieee80211_send_action(struct ieee80211_node *ni, int cat, int act, void *sa)
  134 {
  135         ieee80211_send_action_func *f = send_inval;
  136 
  137         switch (cat) {
  138         case IEEE80211_ACTION_CAT_BA:
  139                 if (act < nitems(ba_send_action))
  140                         f = ba_send_action[act];
  141                 break;
  142         case IEEE80211_ACTION_CAT_HT:
  143                 if (act < nitems(ht_send_action))
  144                         f = ht_send_action[act];
  145                 break;
  146         case IEEE80211_ACTION_CAT_SELF_PROT:
  147                 if (act < nitems(meshpl_send_action))
  148                         f = meshpl_send_action[act];
  149                 break;
  150         case IEEE80211_ACTION_CAT_MESH:
  151                 if (act < nitems(meshaction_send_action))
  152                         f = meshaction_send_action[act];
  153                 break;
  154         case IEEE80211_ACTION_CAT_VENDOR:
  155                 if (act < nitems(vendor_send_action))
  156                         f = vendor_send_action[act];
  157                 break;
  158         case IEEE80211_ACTION_CAT_VHT:
  159                 if (act < nitems(vht_send_action))
  160                         f = vht_send_action[act];
  161                 break;
  162         }
  163         return f(ni, cat, act, sa);
  164 }
  165 
  166 static int
  167 recv_inval(struct ieee80211_node *ni, const struct ieee80211_frame *wh,
  168         const uint8_t *frm, const uint8_t *efrm)
  169 {
  170         return EINVAL;
  171 }
  172 
  173 static ieee80211_recv_action_func *ba_recv_action[8] = {
  174         recv_inval, recv_inval, recv_inval, recv_inval,
  175         recv_inval, recv_inval, recv_inval, recv_inval,
  176 };
  177 static ieee80211_recv_action_func *ht_recv_action[8] = {
  178         recv_inval, recv_inval, recv_inval, recv_inval,
  179         recv_inval, recv_inval, recv_inval, recv_inval,
  180 };
  181 static ieee80211_recv_action_func *meshpl_recv_action[8] = {
  182         recv_inval, recv_inval, recv_inval, recv_inval,
  183         recv_inval, recv_inval, recv_inval, recv_inval,
  184 };
  185 static ieee80211_recv_action_func *meshaction_recv_action[12] = {
  186         recv_inval, recv_inval, recv_inval, recv_inval,
  187         recv_inval, recv_inval, recv_inval, recv_inval,
  188         recv_inval, recv_inval, recv_inval, recv_inval,
  189 };
  190 static ieee80211_recv_action_func *vendor_recv_action[8] = {
  191         recv_inval, recv_inval, recv_inval, recv_inval,
  192         recv_inval, recv_inval, recv_inval, recv_inval,
  193 };
  194 
  195 static ieee80211_recv_action_func *vht_recv_action[3] = {
  196         recv_inval, recv_inval, recv_inval
  197 };
  198 
  199 int
  200 ieee80211_recv_action_register(int cat, int act, ieee80211_recv_action_func *f)
  201 {
  202         switch (cat) {
  203         case IEEE80211_ACTION_CAT_BA:
  204                 if (act >= nitems(ba_recv_action))
  205                         break;
  206                 ba_recv_action[act] = f;
  207                 return 0;
  208         case IEEE80211_ACTION_CAT_HT:
  209                 if (act >= nitems(ht_recv_action))
  210                         break;
  211                 ht_recv_action[act] = f;
  212                 return 0;
  213         case IEEE80211_ACTION_CAT_SELF_PROT:
  214                 if (act >= nitems(meshpl_recv_action))
  215                         break;
  216                 meshpl_recv_action[act] = f;
  217                 return 0;
  218         case IEEE80211_ACTION_CAT_MESH:
  219                 if (act >= nitems(meshaction_recv_action))
  220                         break;
  221                 meshaction_recv_action[act] = f;
  222                 return 0;
  223         case IEEE80211_ACTION_CAT_VENDOR:
  224                 if (act >= nitems(vendor_recv_action))
  225                         break;
  226                 vendor_recv_action[act] = f;
  227                 return 0;
  228         case IEEE80211_ACTION_CAT_VHT:
  229                 if (act >= nitems(vht_recv_action))
  230                         break;
  231                 vht_recv_action[act] = f;
  232                 return 0;
  233         }
  234         return EINVAL;
  235 }
  236 
  237 void
  238 ieee80211_recv_action_unregister(int cat, int act)
  239 {
  240         ieee80211_recv_action_register(cat, act, recv_inval);
  241 }
  242 
  243 int
  244 ieee80211_recv_action(struct ieee80211_node *ni,
  245         const struct ieee80211_frame *wh,
  246         const uint8_t *frm, const uint8_t *efrm)
  247 {
  248         ieee80211_recv_action_func *f = recv_inval;
  249         struct ieee80211vap *vap = ni->ni_vap;
  250         const struct ieee80211_action *ia =
  251             (const struct ieee80211_action *) frm;
  252 
  253         switch (ia->ia_category) {
  254         case IEEE80211_ACTION_CAT_BA:
  255                 if (ia->ia_action < nitems(ba_recv_action))
  256                         f = ba_recv_action[ia->ia_action];
  257                 break;
  258         case IEEE80211_ACTION_CAT_HT:
  259                 if (ia->ia_action < nitems(ht_recv_action))
  260                         f = ht_recv_action[ia->ia_action];
  261                 break;
  262         case IEEE80211_ACTION_CAT_SELF_PROT:
  263                 if (ia->ia_action < nitems(meshpl_recv_action))
  264                         f = meshpl_recv_action[ia->ia_action];
  265                 break;
  266         case IEEE80211_ACTION_CAT_MESH:
  267                 if (ni == vap->iv_bss ||
  268                     ni->ni_mlstate != IEEE80211_NODE_MESH_ESTABLISHED) {
  269                         IEEE80211_DISCARD_MAC(vap, IEEE80211_MSG_MESH,
  270                             ni->ni_macaddr, NULL,
  271                             "peer link not yet established (%d), cat %s act %u",
  272                             ni->ni_mlstate, "mesh action", ia->ia_action);
  273                         vap->iv_stats.is_mesh_nolink++;
  274                         break;
  275                 }
  276                 if (ia->ia_action < nitems(meshaction_recv_action))
  277                         f = meshaction_recv_action[ia->ia_action];
  278                 break;
  279         case IEEE80211_ACTION_CAT_VENDOR:
  280                 if (ia->ia_action < nitems(vendor_recv_action))
  281                         f = vendor_recv_action[ia->ia_action];
  282                 break;
  283         case IEEE80211_ACTION_CAT_VHT:
  284                 if (ia->ia_action < nitems(vht_recv_action))
  285                         f = vht_recv_action[ia->ia_action];
  286                 break;
  287         }
  288         return f(ni, wh, frm, efrm);
  289 }

Cache object: c3272facfd916d588d6434d35797661e


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]


This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.