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freebsd-skq/sys/dev/iwm/if_iwm_binding.c
Mark Johnston e7065dd1e8 iwm(4): Remove _mvm from the namespace. 
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
2019-11-27 20:32:53 +00:00

255 lines
7.4 KiB
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/* $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/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_binding.h>
#include <dev/iwm/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 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;
}
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