Current Path : /sys/net80211/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //sys/net80211/ieee80211_action.c |
/*- * Copyright (c) 2009 Sam Leffler, Errno Consulting * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include <sys/cdefs.h> #ifdef __FreeBSD__ __FBSDID("$FreeBSD: release/9.1.0/sys/net80211/ieee80211_action.c 199186 2009-11-11 14:58:48Z antoine $"); #endif /* * IEEE 802.11 send/recv action frame support. */ #include "opt_inet.h" #include "opt_wlan.h" #include <sys/param.h> #include <sys/kernel.h> #include <sys/systm.h> #include <sys/socket.h> #include <net/if.h> #include <net/if_media.h> #include <net/ethernet.h> #include <net80211/ieee80211_var.h> #include <net80211/ieee80211_action.h> #include <net80211/ieee80211_mesh.h> static int send_inval(struct ieee80211_node *ni, int cat, int act, void *sa) { return EINVAL; } static ieee80211_send_action_func *ba_send_action[8] = { send_inval, send_inval, send_inval, send_inval, send_inval, send_inval, send_inval, send_inval, }; static ieee80211_send_action_func *ht_send_action[8] = { send_inval, send_inval, send_inval, send_inval, send_inval, send_inval, send_inval, send_inval, }; static ieee80211_send_action_func *meshpl_send_action[8] = { send_inval, send_inval, send_inval, send_inval, send_inval, send_inval, send_inval, send_inval, }; static ieee80211_send_action_func *meshlm_send_action[4] = { send_inval, send_inval, send_inval, send_inval, }; static ieee80211_send_action_func *hwmp_send_action[8] = { send_inval, send_inval, send_inval, send_inval, send_inval, send_inval, send_inval, send_inval, }; static ieee80211_send_action_func *vendor_send_action[8] = { send_inval, send_inval, send_inval, send_inval, send_inval, send_inval, send_inval, send_inval, }; int ieee80211_send_action_register(int cat, int act, ieee80211_send_action_func *f) { #define N(a) (sizeof(a) / sizeof(a[0])) switch (cat) { case IEEE80211_ACTION_CAT_BA: if (act >= N(ba_send_action)) break; ba_send_action[act] = f; return 0; case IEEE80211_ACTION_CAT_HT: if (act >= N(ht_send_action)) break; ht_send_action[act] = f; return 0; case IEEE80211_ACTION_CAT_MESHPEERING: if (act >= N(meshpl_send_action)) break; meshpl_send_action[act] = f; return 0; case IEEE80211_ACTION_CAT_MESHLMETRIC: if (act >= N(meshlm_send_action)) break; meshlm_send_action[act] = f; return 0; case IEEE80211_ACTION_CAT_MESHPATH: if (act >= N(hwmp_send_action)) break; hwmp_send_action[act] = f; return 0; case IEEE80211_ACTION_CAT_VENDOR: if (act >= N(vendor_send_action)) break; vendor_send_action[act] = f; return 0; } return EINVAL; #undef N } void ieee80211_send_action_unregister(int cat, int act) { ieee80211_send_action_register(cat, act, send_inval); } int ieee80211_send_action(struct ieee80211_node *ni, int cat, int act, void *sa) { #define N(a) (sizeof(a) / sizeof(a[0])) ieee80211_send_action_func *f = send_inval; switch (cat) { case IEEE80211_ACTION_CAT_BA: if (act < N(ba_send_action)) f = ba_send_action[act]; break; case IEEE80211_ACTION_CAT_HT: if (act < N(ht_send_action)) f = ht_send_action[act]; break; case IEEE80211_ACTION_CAT_MESHPEERING: if (act < N(meshpl_send_action)) f = meshpl_send_action[act]; break; case IEEE80211_ACTION_CAT_MESHLMETRIC: if (act < N(meshlm_send_action)) f = meshlm_send_action[act]; break; case IEEE80211_ACTION_CAT_MESHPATH: if (act < N(hwmp_send_action)) f = hwmp_send_action[act]; break; case IEEE80211_ACTION_CAT_VENDOR: if (act < N(vendor_send_action)) f = vendor_send_action[act]; break; } return f(ni, cat, act, sa); #undef N } static int recv_inval(struct ieee80211_node *ni, const struct ieee80211_frame *wh, const uint8_t *frm, const uint8_t *efrm) { return EINVAL; } static ieee80211_recv_action_func *ba_recv_action[8] = { recv_inval, recv_inval, recv_inval, recv_inval, recv_inval, recv_inval, recv_inval, recv_inval, }; static ieee80211_recv_action_func *ht_recv_action[8] = { recv_inval, recv_inval, recv_inval, recv_inval, recv_inval, recv_inval, recv_inval, recv_inval, }; static ieee80211_recv_action_func *meshpl_recv_action[8] = { recv_inval, recv_inval, recv_inval, recv_inval, recv_inval, recv_inval, recv_inval, recv_inval, }; static ieee80211_recv_action_func *meshlm_recv_action[4] = { recv_inval, recv_inval, recv_inval, recv_inval, }; static ieee80211_recv_action_func *hwmp_recv_action[8] = { recv_inval, recv_inval, recv_inval, recv_inval, recv_inval, recv_inval, recv_inval, recv_inval, }; static ieee80211_recv_action_func *vendor_recv_action[8] = { recv_inval, recv_inval, recv_inval, recv_inval, recv_inval, recv_inval, recv_inval, recv_inval, }; int ieee80211_recv_action_register(int cat, int act, ieee80211_recv_action_func *f) { #define N(a) (sizeof(a) / sizeof(a[0])) switch (cat) { case IEEE80211_ACTION_CAT_BA: if (act >= N(ba_recv_action)) break; ba_recv_action[act] = f; return 0; case IEEE80211_ACTION_CAT_HT: if (act >= N(ht_recv_action)) break; ht_recv_action[act] = f; return 0; case IEEE80211_ACTION_CAT_MESHPEERING: if (act >= N(meshpl_recv_action)) break; meshpl_recv_action[act] = f; return 0; case IEEE80211_ACTION_CAT_MESHLMETRIC: if (act >= N(meshlm_recv_action)) break; meshlm_recv_action[act] = f; return 0; case IEEE80211_ACTION_CAT_MESHPATH: if (act >= N(hwmp_recv_action)) break; hwmp_recv_action[act] = f; return 0; case IEEE80211_ACTION_CAT_VENDOR: if (act >= N(vendor_recv_action)) break; vendor_recv_action[act] = f; return 0; } return EINVAL; #undef N } void ieee80211_recv_action_unregister(int cat, int act) { ieee80211_recv_action_register(cat, act, recv_inval); } int ieee80211_recv_action(struct ieee80211_node *ni, const struct ieee80211_frame *wh, const uint8_t *frm, const uint8_t *efrm) { #define N(a) (sizeof(a) / sizeof(a[0])) ieee80211_recv_action_func *f = recv_inval; const struct ieee80211_action *ia = (const struct ieee80211_action *) frm; switch (ia->ia_category) { case IEEE80211_ACTION_CAT_BA: if (ia->ia_action < N(ba_recv_action)) f = ba_recv_action[ia->ia_action]; break; case IEEE80211_ACTION_CAT_HT: if (ia->ia_action < N(ht_recv_action)) f = ht_recv_action[ia->ia_action]; break; case IEEE80211_ACTION_CAT_MESHPEERING: if (ia->ia_action < N(meshpl_recv_action)) f = meshpl_recv_action[ia->ia_action]; break; case IEEE80211_ACTION_CAT_MESHLMETRIC: if (ia->ia_action < N(meshlm_recv_action)) f = meshlm_recv_action[ia->ia_action]; break; case IEEE80211_ACTION_CAT_MESHPATH: if (ia->ia_action < N(hwmp_recv_action)) f = hwmp_recv_action[ia->ia_action]; break; case IEEE80211_ACTION_CAT_VENDOR: if (ia->ia_action < N(vendor_recv_action)) f = vendor_recv_action[ia->ia_action]; break; } return f(ni, wh, frm, efrm); #undef N }