452 lines
13 KiB
C
452 lines
13 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 <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_db.h>
|
|
|
|
/*
|
|
* BEGIN iwl-phy-db.c
|
|
*/
|
|
/*
|
|
* get phy db section: returns a pointer to a phy db section specified by
|
|
* type and channel group id.
|
|
*/
|
|
static struct iwm_phy_db_entry *
|
|
iwm_phy_db_get_section(struct iwm_softc *sc,
|
|
enum iwm_phy_db_section_type type, uint16_t chg_id)
|
|
{
|
|
struct iwm_phy_db *phy_db = &sc->sc_phy_db;
|
|
|
|
if (type >= IWM_PHY_DB_MAX)
|
|
return NULL;
|
|
|
|
switch (type) {
|
|
case IWM_PHY_DB_CFG:
|
|
return &phy_db->cfg;
|
|
case IWM_PHY_DB_CALIB_NCH:
|
|
return &phy_db->calib_nch;
|
|
case IWM_PHY_DB_CALIB_CHG_PAPD:
|
|
if (chg_id >= IWM_NUM_PAPD_CH_GROUPS)
|
|
return NULL;
|
|
return &phy_db->calib_ch_group_papd[chg_id];
|
|
case IWM_PHY_DB_CALIB_CHG_TXP:
|
|
if (chg_id >= IWM_NUM_TXP_CH_GROUPS)
|
|
return NULL;
|
|
return &phy_db->calib_ch_group_txp[chg_id];
|
|
default:
|
|
return NULL;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
int
|
|
iwm_phy_db_set_section(struct iwm_softc *sc,
|
|
struct iwm_calib_res_notif_phy_db *phy_db_notif)
|
|
{
|
|
enum iwm_phy_db_section_type type = le16toh(phy_db_notif->type);
|
|
uint16_t size = le16toh(phy_db_notif->length);
|
|
struct iwm_phy_db_entry *entry;
|
|
uint16_t chg_id = 0;
|
|
|
|
if (type == IWM_PHY_DB_CALIB_CHG_PAPD ||
|
|
type == IWM_PHY_DB_CALIB_CHG_TXP)
|
|
chg_id = le16toh(*(uint16_t *)phy_db_notif->data);
|
|
|
|
entry = iwm_phy_db_get_section(sc, type, chg_id);
|
|
if (!entry)
|
|
return EINVAL;
|
|
|
|
if (entry->data)
|
|
free(entry->data, M_DEVBUF);
|
|
entry->data = malloc(size, M_DEVBUF, M_NOWAIT);
|
|
if (!entry->data) {
|
|
entry->size = 0;
|
|
return ENOMEM;
|
|
}
|
|
memcpy(entry->data, phy_db_notif->data, size);
|
|
entry->size = size;
|
|
|
|
IWM_DPRINTF(sc, IWM_DEBUG_RESET,
|
|
"%s(%d): [PHYDB]SET: Type %d , Size: %d, data: %p\n",
|
|
__func__, __LINE__, type, size, entry->data);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
iwm_is_valid_channel(uint16_t ch_id)
|
|
{
|
|
if (ch_id <= 14 ||
|
|
(36 <= ch_id && ch_id <= 64 && ch_id % 4 == 0) ||
|
|
(100 <= ch_id && ch_id <= 140 && ch_id % 4 == 0) ||
|
|
(145 <= ch_id && ch_id <= 165 && ch_id % 4 == 1))
|
|
return 1;
|
|
return 0;
|
|
}
|
|
|
|
static uint8_t
|
|
iwm_ch_id_to_ch_index(uint16_t ch_id)
|
|
{
|
|
if (!iwm_is_valid_channel(ch_id))
|
|
return 0xff;
|
|
|
|
if (ch_id <= 14)
|
|
return ch_id - 1;
|
|
if (ch_id <= 64)
|
|
return (ch_id + 20) / 4;
|
|
if (ch_id <= 140)
|
|
return (ch_id - 12) / 4;
|
|
return (ch_id - 13) / 4;
|
|
}
|
|
|
|
|
|
static uint16_t
|
|
iwm_channel_id_to_papd(uint16_t ch_id)
|
|
{
|
|
if (!iwm_is_valid_channel(ch_id))
|
|
return 0xff;
|
|
|
|
if (1 <= ch_id && ch_id <= 14)
|
|
return 0;
|
|
if (36 <= ch_id && ch_id <= 64)
|
|
return 1;
|
|
if (100 <= ch_id && ch_id <= 140)
|
|
return 2;
|
|
return 3;
|
|
}
|
|
|
|
static uint16_t
|
|
iwm_channel_id_to_txp(struct iwm_softc *sc, uint16_t ch_id)
|
|
{
|
|
struct iwm_phy_db *phy_db = &sc->sc_phy_db;
|
|
struct iwm_phy_db_chg_txp *txp_chg;
|
|
int i;
|
|
uint8_t ch_index = iwm_ch_id_to_ch_index(ch_id);
|
|
|
|
if (ch_index == 0xff)
|
|
return 0xff;
|
|
|
|
for (i = 0; i < IWM_NUM_TXP_CH_GROUPS; i++) {
|
|
txp_chg = (void *)phy_db->calib_ch_group_txp[i].data;
|
|
if (!txp_chg)
|
|
return 0xff;
|
|
/*
|
|
* Looking for the first channel group that its max channel is
|
|
* higher then wanted channel.
|
|
*/
|
|
if (le16toh(txp_chg->max_channel_idx) >= ch_index)
|
|
return i;
|
|
}
|
|
return 0xff;
|
|
}
|
|
|
|
static int
|
|
iwm_phy_db_get_section_data(struct iwm_softc *sc,
|
|
uint32_t type, uint8_t **data, uint16_t *size, uint16_t ch_id)
|
|
{
|
|
struct iwm_phy_db_entry *entry;
|
|
uint16_t ch_group_id = 0;
|
|
|
|
IWM_DPRINTF(sc, IWM_DEBUG_RESET, "->%s\n", __func__);
|
|
/* find wanted channel group */
|
|
if (type == IWM_PHY_DB_CALIB_CHG_PAPD)
|
|
ch_group_id = iwm_channel_id_to_papd(ch_id);
|
|
else if (type == IWM_PHY_DB_CALIB_CHG_TXP)
|
|
ch_group_id = iwm_channel_id_to_txp(sc, ch_id);
|
|
|
|
entry = iwm_phy_db_get_section(sc, type, ch_group_id);
|
|
if (!entry)
|
|
return EINVAL;
|
|
|
|
*data = entry->data;
|
|
*size = entry->size;
|
|
|
|
IWM_DPRINTF(sc, IWM_DEBUG_RESET,
|
|
"%s(%d): [PHYDB] GET: Type %d , Size: %d\n",
|
|
__func__, __LINE__, type, *size);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
iwm_send_phy_db_cmd(struct iwm_softc *sc, uint16_t type,
|
|
uint16_t length, void *data)
|
|
{
|
|
struct iwm_phy_db_cmd phy_db_cmd;
|
|
struct iwm_host_cmd cmd = {
|
|
.id = IWM_PHY_DB_CMD,
|
|
.flags = IWM_CMD_SYNC,
|
|
};
|
|
|
|
IWM_DPRINTF(sc, IWM_DEBUG_CMD,
|
|
"Sending PHY-DB hcmd of type %d, of length %d\n",
|
|
type, length);
|
|
|
|
/* Set phy db cmd variables */
|
|
phy_db_cmd.type = le16toh(type);
|
|
phy_db_cmd.length = le16toh(length);
|
|
|
|
/* Set hcmd variables */
|
|
cmd.data[0] = &phy_db_cmd;
|
|
cmd.len[0] = sizeof(struct iwm_phy_db_cmd);
|
|
cmd.data[1] = data;
|
|
cmd.len[1] = length;
|
|
cmd.dataflags[1] = IWM_HCMD_DFL_NOCOPY;
|
|
|
|
return iwm_send_cmd(sc, &cmd);
|
|
}
|
|
|
|
static int
|
|
iwm_phy_db_send_all_channel_groups(struct iwm_softc *sc,
|
|
enum iwm_phy_db_section_type type, uint8_t max_ch_groups)
|
|
{
|
|
uint16_t i;
|
|
int err;
|
|
struct iwm_phy_db_entry *entry;
|
|
|
|
/* Send all the channel-specific groups to operational fw */
|
|
for (i = 0; i < max_ch_groups; i++) {
|
|
entry = iwm_phy_db_get_section(sc, type, i);
|
|
if (!entry)
|
|
return EINVAL;
|
|
|
|
if (!entry->size)
|
|
continue;
|
|
|
|
/* Send the requested PHY DB section */
|
|
err = iwm_send_phy_db_cmd(sc, type, entry->size, entry->data);
|
|
if (err) {
|
|
IWM_DPRINTF(sc, IWM_DEBUG_CMD,
|
|
"%s: Can't SEND phy_db section %d (%d), "
|
|
"err %d\n", __func__, type, i, err);
|
|
return err;
|
|
}
|
|
|
|
IWM_DPRINTF(sc, IWM_DEBUG_CMD,
|
|
"Sent PHY_DB HCMD, type = %d num = %d\n", type, i);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
iwm_send_phy_db_data(struct iwm_softc *sc)
|
|
{
|
|
uint8_t *data = NULL;
|
|
uint16_t size = 0;
|
|
int err;
|
|
|
|
IWM_DPRINTF(sc, IWM_DEBUG_CMD | IWM_DEBUG_RESET,
|
|
"%s: Sending phy db data and configuration to runtime image\n",
|
|
__func__);
|
|
|
|
/* Send PHY DB CFG section */
|
|
err = iwm_phy_db_get_section_data(sc, IWM_PHY_DB_CFG, &data, &size, 0);
|
|
if (err) {
|
|
IWM_DPRINTF(sc, IWM_DEBUG_CMD | IWM_DEBUG_RESET,
|
|
"%s: Cannot get Phy DB cfg section, %d\n",
|
|
__func__, err);
|
|
return err;
|
|
}
|
|
|
|
err = iwm_send_phy_db_cmd(sc, IWM_PHY_DB_CFG, size, data);
|
|
if (err) {
|
|
IWM_DPRINTF(sc, IWM_DEBUG_CMD | IWM_DEBUG_RESET,
|
|
"%s: Cannot send HCMD of Phy DB cfg section, %d\n",
|
|
__func__, err);
|
|
return err;
|
|
}
|
|
|
|
err = iwm_phy_db_get_section_data(sc, IWM_PHY_DB_CALIB_NCH,
|
|
&data, &size, 0);
|
|
if (err) {
|
|
IWM_DPRINTF(sc, IWM_DEBUG_CMD | IWM_DEBUG_RESET,
|
|
"%s: Cannot get Phy DB non specific channel section, "
|
|
"%d\n", __func__, err);
|
|
return err;
|
|
}
|
|
|
|
err = iwm_send_phy_db_cmd(sc, IWM_PHY_DB_CALIB_NCH, size, data);
|
|
if (err) {
|
|
IWM_DPRINTF(sc, IWM_DEBUG_CMD | IWM_DEBUG_RESET,
|
|
"%s: Cannot send HCMD of Phy DB non specific channel "
|
|
"sect, %d\n", __func__, err);
|
|
return err;
|
|
}
|
|
|
|
/* Send all the TXP channel specific data */
|
|
err = iwm_phy_db_send_all_channel_groups(sc,
|
|
IWM_PHY_DB_CALIB_CHG_PAPD, IWM_NUM_PAPD_CH_GROUPS);
|
|
if (err) {
|
|
IWM_DPRINTF(sc, IWM_DEBUG_CMD | IWM_DEBUG_RESET,
|
|
"%s: Cannot send channel specific PAPD groups, %d\n",
|
|
__func__, err);
|
|
return err;
|
|
}
|
|
|
|
/* Send all the TXP channel specific data */
|
|
err = iwm_phy_db_send_all_channel_groups(sc,
|
|
IWM_PHY_DB_CALIB_CHG_TXP, IWM_NUM_TXP_CH_GROUPS);
|
|
if (err) {
|
|
IWM_DPRINTF(sc, IWM_DEBUG_CMD | IWM_DEBUG_RESET,
|
|
"%s: Cannot send channel specific TX power groups, "
|
|
"%d\n", __func__, err);
|
|
return err;
|
|
}
|
|
|
|
IWM_DPRINTF(sc, IWM_DEBUG_CMD | IWM_DEBUG_RESET,
|
|
"%s: Finished sending phy db non channel data\n",
|
|
__func__);
|
|
return 0;
|
|
}
|