cd684deca9
* This change also fixes a possible issue in the existing smart-fifo code, which set the IWM_SF_CFG_DUMMY_NOTIF_OFF bit on AC8260 chipsets, although that's only used in iwlwifi for Family 8000 chipsets connected via SDIO interface. Obtained from: Dragonflybsd.git cb650b01526b0aeef3c4307d926e7f1428997d50
255 lines
7.5 KiB
C
255 lines
7.5 KiB
C
/* $OpenBSD: if_iwm.c,v 1.39 2015/03/23 00:35:19 jsg Exp $ */
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/*
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* Copyright (c) 2014 genua mbh <info@genua.de>
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* Copyright (c) 2014 Fixup Software Ltd.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/*-
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* Based on BSD-licensed source modules in the Linux iwlwifi driver,
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* which were used as the reference documentation for this implementation.
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*
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* Driver version we are currently based off of is
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* Linux 3.14.3 (tag id a2df521e42b1d9a23f620ac79dbfe8655a8391dd)
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*
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***********************************************************************
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*
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* This file is provided under a dual BSD/GPLv2 license. When using or
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* redistributing this file, you may do so under either license.
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*
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* GPL LICENSE SUMMARY
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*
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* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
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* USA
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*
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* The full GNU General Public License is included in this distribution
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* in the file called COPYING.
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*
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* Contact Information:
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* Intel Linux Wireless <linuxwifi@intel.com>
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* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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*
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* BSD LICENSE
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*
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* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include "opt_wlan.h"
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#include "opt_iwm.h"
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#include <sys/param.h>
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#include <sys/bus.h>
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#include <sys/conf.h>
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#include <sys/endian.h>
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#include <sys/firmware.h>
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#include <sys/kernel.h>
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#include <sys/malloc.h>
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#include <sys/mbuf.h>
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#include <sys/mutex.h>
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#include <sys/module.h>
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#include <sys/proc.h>
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#include <sys/rman.h>
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#include <sys/socket.h>
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#include <sys/sockio.h>
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#include <sys/sysctl.h>
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#include <sys/linker.h>
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#include <machine/bus.h>
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#include <machine/endian.h>
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#include <machine/resource.h>
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#include <dev/pci/pcivar.h>
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#include <dev/pci/pcireg.h>
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#include <net/bpf.h>
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#include <net/if.h>
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#include <net/if_var.h>
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#include <net/if_arp.h>
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#include <net/if_dl.h>
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#include <net/if_media.h>
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#include <net/if_types.h>
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#include <netinet/in.h>
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#include <netinet/in_systm.h>
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#include <netinet/if_ether.h>
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#include <netinet/ip.h>
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#include <net80211/ieee80211_var.h>
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#include <net80211/ieee80211_regdomain.h>
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#include <net80211/ieee80211_ratectl.h>
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#include <net80211/ieee80211_radiotap.h>
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#include <dev/iwm/if_iwmreg.h>
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#include <dev/iwm/if_iwmvar.h>
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#include <dev/iwm/if_iwm_debug.h>
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#include <dev/iwm/if_iwm_util.h>
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#include <dev/iwm/if_iwm_binding.h>
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#include <dev/iwm/if_iwm_sf.h>
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/*
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* BEGIN iwlwifi/mvm/binding.c
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*/
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struct iwm_mvm_iface_iterator_data {
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int idx;
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struct iwm_mvm_phy_ctxt *phyctxt;
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uint16_t ids[IWM_MAX_MACS_IN_BINDING];
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int16_t colors[IWM_MAX_MACS_IN_BINDING];
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};
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static int
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iwm_mvm_binding_cmd(struct iwm_softc *sc, uint32_t action,
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struct iwm_mvm_iface_iterator_data *data)
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{
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struct iwm_binding_cmd cmd;
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struct iwm_mvm_phy_ctxt *phyctxt = data->phyctxt;
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int i, ret;
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uint32_t status;
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memset(&cmd, 0, sizeof(cmd));
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cmd.id_and_color
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= htole32(IWM_FW_CMD_ID_AND_COLOR(phyctxt->id, phyctxt->color));
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cmd.action = htole32(action);
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cmd.phy = htole32(IWM_FW_CMD_ID_AND_COLOR(phyctxt->id, phyctxt->color));
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for (i = 0; i < IWM_MAX_MACS_IN_BINDING; i++)
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cmd.macs[i] = htole32(IWM_FW_CTXT_INVALID);
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for (i = 0; i < data->idx; i++)
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cmd.macs[i] = htole32(IWM_FW_CMD_ID_AND_COLOR(data->ids[i],
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data->colors[i]));
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status = 0;
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ret = iwm_mvm_send_cmd_pdu_status(sc, IWM_BINDING_CONTEXT_CMD,
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sizeof(cmd), &cmd, &status);
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if (ret) {
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device_printf(sc->sc_dev,
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"Failed to send binding (action:%d): %d\n", action, ret);
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return ret;
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}
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if (status) {
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device_printf(sc->sc_dev,
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"Binding command failed: %u\n", status);
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ret = EIO;
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}
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return ret;
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}
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static int
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iwm_mvm_binding_update(struct iwm_softc *sc, struct iwm_vap *ivp,
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struct iwm_mvm_phy_ctxt *phyctxt, boolean_t add)
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{
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struct iwm_mvm_iface_iterator_data data = {
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.phyctxt = phyctxt,
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};
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uint32_t action;
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if (add)
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action = IWM_FW_CTXT_ACTION_ADD;
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else
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action = IWM_FW_CTXT_ACTION_REMOVE;
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if (add) {
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data.ids[0] = ivp->id;
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data.colors[0] = ivp->color;
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data.idx++;
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}
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return iwm_mvm_binding_cmd(sc, action, &data);
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}
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int
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iwm_mvm_binding_add_vif(struct iwm_softc *sc, struct iwm_vap *ivp)
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{
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if (!ivp->phy_ctxt)
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return EINVAL;
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/*
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* Update SF - Disable if needed. if this fails, SF might still be on
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* while many macs are bound, which is forbidden - so fail the binding.
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*/
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if (iwm_mvm_sf_update(sc, &ivp->iv_vap, FALSE))
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return EINVAL;
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return iwm_mvm_binding_update(sc, ivp, ivp->phy_ctxt, TRUE);
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}
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int
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iwm_mvm_binding_remove_vif(struct iwm_softc *sc, struct iwm_vap *ivp)
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{
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int ret;
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if (!ivp->phy_ctxt)
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return EINVAL;
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ret = iwm_mvm_binding_update(sc, ivp, ivp->phy_ctxt, FALSE);
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if (!ret) {
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if (iwm_mvm_sf_update(sc, &ivp->iv_vap, TRUE))
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device_printf(sc->sc_dev,
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"Failed to update SF state\n");
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}
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return ret;
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}
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