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273 lines
9.4 KiB
C
273 lines
9.4 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) 2007 - 2013 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 <ilw@linux.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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*
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* BSD LICENSE
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*
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* Copyright(c) 2005 - 2013 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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/*-
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* Copyright (c) 2007-2010 Damien Bergamini <damien.bergamini@free.fr>
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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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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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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_pcie_trans.h>
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#include <dev/iwm/if_iwm_time_event.h>
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/*
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* For the high priority TE use a time event type that has similar priority to
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* the FW's action scan priority.
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*/
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#define IWM_MVM_ROC_TE_TYPE_NORMAL IWM_TE_P2P_DEVICE_DISCOVERABLE
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#define IWM_MVM_ROC_TE_TYPE_MGMT_TX IWM_TE_P2P_CLIENT_ASSOC
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/* used to convert from time event API v2 to v1 */
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#define IWM_TE_V2_DEP_POLICY_MSK (IWM_TE_V2_DEP_OTHER | IWM_TE_V2_DEP_TSF |\
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IWM_TE_V2_EVENT_SOCIOPATHIC)
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static inline uint16_t
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iwm_te_v2_get_notify(uint16_t policy)
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{
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return le16toh(policy) & IWM_TE_V2_NOTIF_MSK;
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}
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static inline uint16_t
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iwm_te_v2_get_dep_policy(uint16_t policy)
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{
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return (le16toh(policy) & IWM_TE_V2_DEP_POLICY_MSK) >>
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IWM_TE_V2_PLACEMENT_POS;
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}
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static inline uint16_t
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iwm_te_v2_get_absence(uint16_t policy)
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{
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return (le16toh(policy) & IWM_TE_V2_ABSENCE) >> IWM_TE_V2_ABSENCE_POS;
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}
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static void
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iwm_mvm_te_v2_to_v1(const struct iwm_time_event_cmd_v2 *cmd_v2,
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struct iwm_time_event_cmd_v1 *cmd_v1)
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{
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cmd_v1->id_and_color = cmd_v2->id_and_color;
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cmd_v1->action = cmd_v2->action;
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cmd_v1->id = cmd_v2->id;
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cmd_v1->apply_time = cmd_v2->apply_time;
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cmd_v1->max_delay = cmd_v2->max_delay;
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cmd_v1->depends_on = cmd_v2->depends_on;
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cmd_v1->interval = cmd_v2->interval;
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cmd_v1->duration = cmd_v2->duration;
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if (cmd_v2->repeat == IWM_TE_V2_REPEAT_ENDLESS)
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cmd_v1->repeat = htole32(IWM_TE_V1_REPEAT_ENDLESS);
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else
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cmd_v1->repeat = htole32(cmd_v2->repeat);
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cmd_v1->max_frags = htole32(cmd_v2->max_frags);
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cmd_v1->interval_reciprocal = 0; /* unused */
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cmd_v1->dep_policy = htole32(iwm_te_v2_get_dep_policy(cmd_v2->policy));
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cmd_v1->is_present = htole32(!iwm_te_v2_get_absence(cmd_v2->policy));
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cmd_v1->notify = htole32(iwm_te_v2_get_notify(cmd_v2->policy));
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}
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static int
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iwm_mvm_send_time_event_cmd(struct iwm_softc *sc,
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const struct iwm_time_event_cmd_v2 *cmd)
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{
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struct iwm_time_event_cmd_v1 cmd_v1;
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if (sc->sc_capaflags & IWM_UCODE_TLV_FLAGS_TIME_EVENT_API_V2)
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return iwm_mvm_send_cmd_pdu(sc, IWM_TIME_EVENT_CMD,
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IWM_CMD_SYNC, sizeof(*cmd), cmd);
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iwm_mvm_te_v2_to_v1(cmd, &cmd_v1);
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return iwm_mvm_send_cmd_pdu(sc, IWM_TIME_EVENT_CMD, IWM_CMD_SYNC,
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sizeof(cmd_v1), &cmd_v1);
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}
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static int
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iwm_mvm_time_event_send_add(struct iwm_softc *sc, struct iwm_node *in,
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void *te_data, struct iwm_time_event_cmd_v2 *te_cmd)
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{
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int ret;
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IWM_DPRINTF(sc, IWM_DEBUG_CMD | IWM_DEBUG_RESET,
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"Add new TE, duration %d TU\n", le32toh(te_cmd->duration));
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ret = iwm_mvm_send_time_event_cmd(sc, te_cmd);
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if (ret) {
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IWM_DPRINTF(sc, IWM_DEBUG_CMD | IWM_DEBUG_RESET,
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"%s: Couldn't send IWM_TIME_EVENT_CMD: %d\n",
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__func__, ret);
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}
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return ret;
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}
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void
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iwm_mvm_protect_session(struct iwm_softc *sc, struct iwm_node *in,
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uint32_t duration, uint32_t min_duration, uint32_t max_delay)
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{
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struct iwm_time_event_cmd_v2 time_cmd;
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memset(&time_cmd, 0, sizeof(time_cmd));
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time_cmd.action = htole32(IWM_FW_CTXT_ACTION_ADD);
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time_cmd.id_and_color =
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htole32(IWM_FW_CMD_ID_AND_COLOR(IWM_DEFAULT_MACID, IWM_DEFAULT_COLOR));
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time_cmd.id = htole32(IWM_TE_BSS_STA_AGGRESSIVE_ASSOC);
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time_cmd.apply_time = htole32(iwm_read_prph(sc,
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IWM_DEVICE_SYSTEM_TIME_REG));
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time_cmd.max_frags = IWM_TE_V2_FRAG_NONE;
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time_cmd.max_delay = htole32(max_delay);
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/* TODO: why do we need to interval = bi if it is not periodic? */
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time_cmd.interval = htole32(1);
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time_cmd.duration = htole32(duration);
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time_cmd.repeat = 1;
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time_cmd.policy
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= htole32(IWM_TE_V2_NOTIF_HOST_EVENT_START |
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IWM_TE_V2_NOTIF_HOST_EVENT_END);
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iwm_mvm_time_event_send_add(sc, in, /*te_data*/NULL, &time_cmd);
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}
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