/* $OpenBSD: if_iwm.c,v 1.39 2015/03/23 00:35:19 jsg Exp $ */ /* * Copyright (c) 2014 genua mbh <info@genua.de> * Copyright (c) 2014 Fixup Software Ltd. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ /*- * Based on BSD-licensed source modules in the Linux iwlwifi driver, * which were used as the reference documentation for this implementation. * * Driver version we are currently based off of is * Linux 3.14.3 (tag id a2df521e42b1d9a23f620ac79dbfe8655a8391dd) * *********************************************************************** * * This file is provided under a dual BSD/GPLv2 license. When using or * redistributing this file, you may do so under either license. * * GPL LICENSE SUMMARY * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, * USA * * The full GNU General Public License is included in this distribution * in the file called COPYING. * * Contact Information: * Intel Linux Wireless <linuxwifi@intel.com> * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 * * BSD LICENSE * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 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. * * Neither the name Intel Corporation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "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 COPYRIGHT * OWNER OR CONTRIBUTORS 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/param.h> #include <sys/bus.h> #include <sys/conf.h> #include <sys/endian.h> #include <sys/firmware.h> #include <sys/kernel.h> #include <sys/malloc.h> #include <sys/mbuf.h> #include <sys/rman.h> #include <sys/sysctl.h> #include <sys/linker.h> #include <machine/endian.h> #include <bus/pci/pcivar.h> #include <bus/pci/pcireg.h> #include <net/bpf.h> #include <net/if.h> #include <net/if_var.h> #include <net/if_arp.h> #include <net/if_dl.h> #include <net/if_media.h> #include <net/if_types.h> #include <netinet/in.h> #include <netinet/in_systm.h> #include <netinet/if_ether.h> #include <netinet/ip.h> #include <netproto/802_11/ieee80211_var.h> #include <netproto/802_11/ieee80211_regdomain.h> #include <netproto/802_11/ieee80211_ratectl.h> #include <netproto/802_11/ieee80211_radiotap.h> #include "if_iwmreg.h" #include "if_iwmvar.h" #include "if_iwm_debug.h" #include "if_iwm_util.h" #include "if_iwm_binding.h" #include "if_iwm_sf.h" /* * BEGIN iwlwifi/mvm/binding.c */ struct iwm_iface_iterator_data { int idx; struct iwm_phy_ctxt *phyctxt; uint16_t ids[IWM_MAX_MACS_IN_BINDING]; int16_t colors[IWM_MAX_MACS_IN_BINDING]; }; static int iwm_binding_cmd(struct iwm_softc *sc, uint32_t action, struct iwm_iface_iterator_data *data) { struct iwm_binding_cmd_v1 cmd; struct iwm_phy_ctxt *phyctxt = data->phyctxt; int i, ret; uint32_t status; memset(&cmd, 0, sizeof(cmd)); cmd.id_and_color = htole32(IWM_FW_CMD_ID_AND_COLOR(phyctxt->id, phyctxt->color)); cmd.action = htole32(action); cmd.phy = htole32(IWM_FW_CMD_ID_AND_COLOR(phyctxt->id, phyctxt->color)); for (i = 0; i < IWM_MAX_MACS_IN_BINDING; i++) cmd.macs[i] = htole32(IWM_FW_CTXT_INVALID); for (i = 0; i < data->idx; i++) cmd.macs[i] = htole32(IWM_FW_CMD_ID_AND_COLOR(data->ids[i], data->colors[i])); status = 0; ret = iwm_send_cmd_pdu_status(sc, IWM_BINDING_CONTEXT_CMD, sizeof(cmd), &cmd, &status); if (ret) { device_printf(sc->sc_dev, "Failed to send binding (action:%d): %d\n", action, ret); return ret; } if (status) { device_printf(sc->sc_dev, "Binding command failed: %u\n", status); ret = EIO; } return ret; } static int iwm_binding_update(struct iwm_softc *sc, struct iwm_vap *ivp, struct iwm_phy_ctxt *phyctxt, boolean_t add) { struct iwm_iface_iterator_data data = { .phyctxt = phyctxt, }; uint32_t action; if (add) action = IWM_FW_CTXT_ACTION_ADD; else action = IWM_FW_CTXT_ACTION_REMOVE; if (add) { data.ids[0] = ivp->id; data.colors[0] = ivp->color; data.idx++; } return iwm_binding_cmd(sc, action, &data); } int iwm_binding_add_vif(struct iwm_softc *sc, struct iwm_vap *ivp) { if (!ivp->phy_ctxt) return EINVAL; /* * Update SF - Disable if needed. if this fails, SF might still be on * while many macs are bound, which is forbidden - so fail the binding. */ if (iwm_sf_update(sc, &ivp->iv_vap, FALSE)) return EINVAL; return iwm_binding_update(sc, ivp, ivp->phy_ctxt, TRUE); } int iwm_binding_remove_vif(struct iwm_softc *sc, struct iwm_vap *ivp) { int ret; if (!ivp->phy_ctxt) return EINVAL; ret = iwm_binding_update(sc, ivp, ivp->phy_ctxt, FALSE); if (!ret) { if (iwm_sf_update(sc, &ivp->iv_vap, TRUE)) device_printf(sc->sc_dev, "Failed to update SF state\n"); } return ret; }
