e7065dd1e8
This was inherited from iwlwifi, which drives devices supported by both iwn(4) and iwm(4) in FreeBSD. In iwm(4) _mvm is meaningless, so remove it. OpenBSD made the same change a long time ago. No functional change intended. MFC after: 2 weeks Sponsored by: The FreeBSD Foundation
321 lines
10 KiB
C
321 lines
10 KiB
C
/* $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) 2007 - 2013 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 <ilw@linux.intel.com>
|
|
* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
|
|
*
|
|
*
|
|
* BSD LICENSE
|
|
*
|
|
* Copyright(c) 2005 - 2013 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.
|
|
*/
|
|
|
|
/*-
|
|
* Copyright (c) 2007-2010 Damien Bergamini <damien.bergamini@free.fr>
|
|
*
|
|
* 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.
|
|
*/
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include "opt_wlan.h"
|
|
#include "opt_iwm.h"
|
|
|
|
#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/mutex.h>
|
|
#include <sys/module.h>
|
|
#include <sys/proc.h>
|
|
#include <sys/rman.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/sockio.h>
|
|
#include <sys/sysctl.h>
|
|
#include <sys/linker.h>
|
|
|
|
#include <machine/bus.h>
|
|
#include <machine/endian.h>
|
|
#include <machine/resource.h>
|
|
|
|
#include <dev/pci/pcivar.h>
|
|
#include <dev/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 <net80211/ieee80211_var.h>
|
|
#include <net80211/ieee80211_regdomain.h>
|
|
#include <net80211/ieee80211_ratectl.h>
|
|
#include <net80211/ieee80211_radiotap.h>
|
|
|
|
#include <dev/iwm/if_iwmreg.h>
|
|
#include <dev/iwm/if_iwmvar.h>
|
|
#include <dev/iwm/if_iwm_debug.h>
|
|
#include <dev/iwm/if_iwm_util.h>
|
|
#include <dev/iwm/if_iwm_phy_ctxt.h>
|
|
|
|
/*
|
|
* BEGIN iwlwifi/mvm/phy-ctxt.c
|
|
*/
|
|
|
|
/*
|
|
* Construct the generic fields of the PHY context command
|
|
*/
|
|
static void
|
|
iwm_phy_ctxt_cmd_hdr(struct iwm_softc *sc, struct iwm_phy_ctxt *ctxt,
|
|
struct iwm_phy_context_cmd *cmd, uint32_t action, uint32_t apply_time)
|
|
{
|
|
memset(cmd, 0, sizeof(struct iwm_phy_context_cmd));
|
|
|
|
IWM_DPRINTF(sc, IWM_DEBUG_RESET | IWM_DEBUG_CMD,
|
|
"%s: id=%d, colour=%d, action=%d, apply_time=%d\n",
|
|
__func__,
|
|
ctxt->id,
|
|
ctxt->color,
|
|
action,
|
|
apply_time);
|
|
|
|
cmd->id_and_color = htole32(IWM_FW_CMD_ID_AND_COLOR(ctxt->id,
|
|
ctxt->color));
|
|
cmd->action = htole32(action);
|
|
cmd->apply_time = htole32(apply_time);
|
|
}
|
|
|
|
/*
|
|
* Add the phy configuration to the PHY context command
|
|
*/
|
|
static void
|
|
iwm_phy_ctxt_cmd_data(struct iwm_softc *sc,
|
|
struct iwm_phy_context_cmd *cmd, struct ieee80211_channel *chan,
|
|
uint8_t chains_static, uint8_t chains_dynamic)
|
|
{
|
|
struct ieee80211com *ic = &sc->sc_ic;
|
|
uint8_t active_cnt, idle_cnt;
|
|
|
|
IWM_DPRINTF(sc, IWM_DEBUG_RESET | IWM_DEBUG_CMD,
|
|
"%s: 2ghz=%d, channel=%d, chains static=0x%x, dynamic=0x%x, "
|
|
"rx_ant=0x%x, tx_ant=0x%x\n",
|
|
__func__,
|
|
!! IEEE80211_IS_CHAN_2GHZ(chan),
|
|
ieee80211_chan2ieee(ic, chan),
|
|
chains_static,
|
|
chains_dynamic,
|
|
iwm_get_valid_rx_ant(sc),
|
|
iwm_get_valid_tx_ant(sc));
|
|
|
|
|
|
cmd->ci.band = IEEE80211_IS_CHAN_2GHZ(chan) ?
|
|
IWM_PHY_BAND_24 : IWM_PHY_BAND_5;
|
|
|
|
cmd->ci.channel = ieee80211_chan2ieee(ic, chan);
|
|
cmd->ci.width = IWM_PHY_VHT_CHANNEL_MODE20;
|
|
cmd->ci.ctrl_pos = IWM_PHY_VHT_CTRL_POS_1_BELOW;
|
|
|
|
/* Set rx the chains */
|
|
idle_cnt = chains_static;
|
|
active_cnt = chains_dynamic;
|
|
|
|
/* In scenarios where we only ever use a single-stream rates,
|
|
* i.e. legacy 11b/g/a associations, single-stream APs or even
|
|
* static SMPS, enable both chains to get diversity, improving
|
|
* the case where we're far enough from the AP that attenuation
|
|
* between the two antennas is sufficiently different to impact
|
|
* performance.
|
|
*/
|
|
if (active_cnt == 1 && iwm_rx_diversity_allowed(sc)) {
|
|
idle_cnt = 2;
|
|
active_cnt = 2;
|
|
}
|
|
|
|
cmd->rxchain_info = htole32(iwm_get_valid_rx_ant(sc) <<
|
|
IWM_PHY_RX_CHAIN_VALID_POS);
|
|
cmd->rxchain_info |= htole32(idle_cnt << IWM_PHY_RX_CHAIN_CNT_POS);
|
|
cmd->rxchain_info |= htole32(active_cnt <<
|
|
IWM_PHY_RX_CHAIN_MIMO_CNT_POS);
|
|
|
|
cmd->txchain_info = htole32(iwm_get_valid_tx_ant(sc));
|
|
}
|
|
|
|
/*
|
|
* Send a command
|
|
* only if something in the configuration changed: in case that this is the
|
|
* first time that the phy configuration is applied or in case that the phy
|
|
* configuration changed from the previous apply.
|
|
*/
|
|
static int
|
|
iwm_phy_ctxt_apply(struct iwm_softc *sc,
|
|
struct iwm_phy_ctxt *ctxt,
|
|
uint8_t chains_static, uint8_t chains_dynamic,
|
|
uint32_t action, uint32_t apply_time)
|
|
{
|
|
struct iwm_phy_context_cmd cmd;
|
|
int ret;
|
|
|
|
IWM_DPRINTF(sc, IWM_DEBUG_RESET | IWM_DEBUG_CMD,
|
|
"%s: called; channel=%p\n",
|
|
__func__,
|
|
ctxt->channel);
|
|
|
|
/* Set the command header fields */
|
|
iwm_phy_ctxt_cmd_hdr(sc, ctxt, &cmd, action, apply_time);
|
|
|
|
/* Set the command data */
|
|
iwm_phy_ctxt_cmd_data(sc, &cmd, ctxt->channel,
|
|
chains_static, chains_dynamic);
|
|
|
|
ret = iwm_send_cmd_pdu(sc, IWM_PHY_CONTEXT_CMD, IWM_CMD_SYNC,
|
|
sizeof(struct iwm_phy_context_cmd), &cmd);
|
|
if (ret) {
|
|
device_printf(sc->sc_dev,
|
|
"PHY ctxt cmd error. ret=%d\n", ret);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* Send a command to add a PHY context based on the current HW configuration.
|
|
*/
|
|
int
|
|
iwm_phy_ctxt_add(struct iwm_softc *sc, struct iwm_phy_ctxt *ctxt,
|
|
struct ieee80211_channel *chan,
|
|
uint8_t chains_static, uint8_t chains_dynamic)
|
|
{
|
|
ctxt->channel = chan;
|
|
|
|
IWM_DPRINTF(sc, IWM_DEBUG_RESET | IWM_DEBUG_CMD,
|
|
"%s: called; channel=%d\n",
|
|
__func__,
|
|
ieee80211_chan2ieee(&sc->sc_ic, chan));
|
|
|
|
return iwm_phy_ctxt_apply(sc, ctxt,
|
|
chains_static, chains_dynamic, IWM_FW_CTXT_ACTION_ADD, 0);
|
|
}
|
|
|
|
/*
|
|
* Send a command to modify the PHY context based on the current HW
|
|
* configuration. Note that the function does not check that the configuration
|
|
* changed.
|
|
*/
|
|
int
|
|
iwm_phy_ctxt_changed(struct iwm_softc *sc,
|
|
struct iwm_phy_ctxt *ctxt, struct ieee80211_channel *chan,
|
|
uint8_t chains_static, uint8_t chains_dynamic)
|
|
{
|
|
ctxt->channel = chan;
|
|
|
|
IWM_DPRINTF(sc, IWM_DEBUG_RESET | IWM_DEBUG_CMD,
|
|
"%s: called; channel=%d\n",
|
|
__func__,
|
|
ieee80211_chan2ieee(&sc->sc_ic, chan));
|
|
|
|
return iwm_phy_ctxt_apply(sc, ctxt,
|
|
chains_static, chains_dynamic, IWM_FW_CTXT_ACTION_MODIFY, 0);
|
|
}
|
|
|
|
/*
|
|
* END iwlwifi/mvm/phy-ctxt.c
|
|
*/
|