if_iwm_time_event.c revision 286441
1286441Srpaulo/* $OpenBSD: if_iwm.c,v 1.39 2015/03/23 00:35:19 jsg Exp $ */ 2286441Srpaulo 3286441Srpaulo/* 4286441Srpaulo * Copyright (c) 2014 genua mbh <info@genua.de> 5286441Srpaulo * Copyright (c) 2014 Fixup Software Ltd. 6286441Srpaulo * 7286441Srpaulo * Permission to use, copy, modify, and distribute this software for any 8286441Srpaulo * purpose with or without fee is hereby granted, provided that the above 9286441Srpaulo * copyright notice and this permission notice appear in all copies. 10286441Srpaulo * 11286441Srpaulo * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 12286441Srpaulo * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 13286441Srpaulo * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 14286441Srpaulo * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 15286441Srpaulo * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 16286441Srpaulo * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 17286441Srpaulo * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18286441Srpaulo */ 19286441Srpaulo 20286441Srpaulo/*- 21286441Srpaulo * Based on BSD-licensed source modules in the Linux iwlwifi driver, 22286441Srpaulo * which were used as the reference documentation for this implementation. 23286441Srpaulo * 24286441Srpaulo * Driver version we are currently based off of is 25286441Srpaulo * Linux 3.14.3 (tag id a2df521e42b1d9a23f620ac79dbfe8655a8391dd) 26286441Srpaulo * 27286441Srpaulo *********************************************************************** 28286441Srpaulo * 29286441Srpaulo * This file is provided under a dual BSD/GPLv2 license. When using or 30286441Srpaulo * redistributing this file, you may do so under either license. 31286441Srpaulo * 32286441Srpaulo * GPL LICENSE SUMMARY 33286441Srpaulo * 34286441Srpaulo * Copyright(c) 2007 - 2013 Intel Corporation. All rights reserved. 35286441Srpaulo * 36286441Srpaulo * This program is free software; you can redistribute it and/or modify 37286441Srpaulo * it under the terms of version 2 of the GNU General Public License as 38286441Srpaulo * published by the Free Software Foundation. 39286441Srpaulo * 40286441Srpaulo * This program is distributed in the hope that it will be useful, but 41286441Srpaulo * WITHOUT ANY WARRANTY; without even the implied warranty of 42286441Srpaulo * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 43286441Srpaulo * General Public License for more details. 44286441Srpaulo * 45286441Srpaulo * You should have received a copy of the GNU General Public License 46286441Srpaulo * along with this program; if not, write to the Free Software 47286441Srpaulo * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, 48286441Srpaulo * USA 49286441Srpaulo * 50286441Srpaulo * The full GNU General Public License is included in this distribution 51286441Srpaulo * in the file called COPYING. 52286441Srpaulo * 53286441Srpaulo * Contact Information: 54286441Srpaulo * Intel Linux Wireless <ilw@linux.intel.com> 55286441Srpaulo * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 56286441Srpaulo * 57286441Srpaulo * 58286441Srpaulo * BSD LICENSE 59286441Srpaulo * 60286441Srpaulo * Copyright(c) 2005 - 2013 Intel Corporation. All rights reserved. 61286441Srpaulo * All rights reserved. 62286441Srpaulo * 63286441Srpaulo * Redistribution and use in source and binary forms, with or without 64286441Srpaulo * modification, are permitted provided that the following conditions 65286441Srpaulo * are met: 66286441Srpaulo * 67286441Srpaulo * * Redistributions of source code must retain the above copyright 68286441Srpaulo * notice, this list of conditions and the following disclaimer. 69286441Srpaulo * * Redistributions in binary form must reproduce the above copyright 70286441Srpaulo * notice, this list of conditions and the following disclaimer in 71286441Srpaulo * the documentation and/or other materials provided with the 72286441Srpaulo * distribution. 73286441Srpaulo * * Neither the name Intel Corporation nor the names of its 74286441Srpaulo * contributors may be used to endorse or promote products derived 75286441Srpaulo * from this software without specific prior written permission. 76286441Srpaulo * 77286441Srpaulo * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 78286441Srpaulo * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 79286441Srpaulo * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 80286441Srpaulo * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 81286441Srpaulo * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 82286441Srpaulo * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 83286441Srpaulo * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 84286441Srpaulo * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 85286441Srpaulo * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 86286441Srpaulo * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 87286441Srpaulo * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 88286441Srpaulo */ 89286441Srpaulo 90286441Srpaulo/*- 91286441Srpaulo * Copyright (c) 2007-2010 Damien Bergamini <damien.bergamini@free.fr> 92286441Srpaulo * 93286441Srpaulo * Permission to use, copy, modify, and distribute this software for any 94286441Srpaulo * purpose with or without fee is hereby granted, provided that the above 95286441Srpaulo * copyright notice and this permission notice appear in all copies. 96286441Srpaulo * 97286441Srpaulo * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 98286441Srpaulo * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 99286441Srpaulo * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 100286441Srpaulo * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 101286441Srpaulo * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 102286441Srpaulo * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 103286441Srpaulo * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 104286441Srpaulo */ 105286441Srpaulo#include <sys/cdefs.h> 106286441Srpaulo__FBSDID("$FreeBSD: head/sys/dev/iwm/if_iwm_time_event.c 286441 2015-08-08 06:06:48Z rpaulo $"); 107286441Srpaulo 108286441Srpaulo#include <sys/param.h> 109286441Srpaulo#include <sys/bus.h> 110286441Srpaulo#include <sys/conf.h> 111286441Srpaulo#include <sys/endian.h> 112286441Srpaulo#include <sys/firmware.h> 113286441Srpaulo#include <sys/kernel.h> 114286441Srpaulo#include <sys/malloc.h> 115286441Srpaulo#include <sys/mbuf.h> 116286441Srpaulo#include <sys/mutex.h> 117286441Srpaulo#include <sys/module.h> 118286441Srpaulo#include <sys/proc.h> 119286441Srpaulo#include <sys/rman.h> 120286441Srpaulo#include <sys/socket.h> 121286441Srpaulo#include <sys/sockio.h> 122286441Srpaulo#include <sys/sysctl.h> 123286441Srpaulo#include <sys/linker.h> 124286441Srpaulo 125286441Srpaulo#include <machine/bus.h> 126286441Srpaulo#include <machine/endian.h> 127286441Srpaulo#include <machine/resource.h> 128286441Srpaulo 129286441Srpaulo#include <dev/pci/pcivar.h> 130286441Srpaulo#include <dev/pci/pcireg.h> 131286441Srpaulo 132286441Srpaulo#include <net/bpf.h> 133286441Srpaulo 134286441Srpaulo#include <net/if.h> 135286441Srpaulo#include <net/if_var.h> 136286441Srpaulo#include <net/if_arp.h> 137286441Srpaulo#include <net/if_dl.h> 138286441Srpaulo#include <net/if_media.h> 139286441Srpaulo#include <net/if_types.h> 140286441Srpaulo 141286441Srpaulo#include <netinet/in.h> 142286441Srpaulo#include <netinet/in_systm.h> 143286441Srpaulo#include <netinet/if_ether.h> 144286441Srpaulo#include <netinet/ip.h> 145286441Srpaulo 146286441Srpaulo#include <net80211/ieee80211_var.h> 147286441Srpaulo#include <net80211/ieee80211_regdomain.h> 148286441Srpaulo#include <net80211/ieee80211_ratectl.h> 149286441Srpaulo#include <net80211/ieee80211_radiotap.h> 150286441Srpaulo 151286441Srpaulo#include <if_iwmreg.h> 152286441Srpaulo#include <if_iwmvar.h> 153286441Srpaulo#include <if_iwm_debug.h> 154286441Srpaulo#include <if_iwm_util.h> 155286441Srpaulo#include <if_iwm_pcie_trans.h> 156286441Srpaulo#include <if_iwm_time_event.h> 157286441Srpaulo 158286441Srpaulo/* 159286441Srpaulo * For the high priority TE use a time event type that has similar priority to 160286441Srpaulo * the FW's action scan priority. 161286441Srpaulo */ 162286441Srpaulo#define IWM_MVM_ROC_TE_TYPE_NORMAL IWM_TE_P2P_DEVICE_DISCOVERABLE 163286441Srpaulo#define IWM_MVM_ROC_TE_TYPE_MGMT_TX IWM_TE_P2P_CLIENT_ASSOC 164286441Srpaulo 165286441Srpaulo/* used to convert from time event API v2 to v1 */ 166286441Srpaulo#define IWM_TE_V2_DEP_POLICY_MSK (IWM_TE_V2_DEP_OTHER | IWM_TE_V2_DEP_TSF |\ 167286441Srpaulo IWM_TE_V2_EVENT_SOCIOPATHIC) 168286441Srpaulostatic inline uint16_t 169286441Srpauloiwm_te_v2_get_notify(uint16_t policy) 170286441Srpaulo{ 171286441Srpaulo return le16toh(policy) & IWM_TE_V2_NOTIF_MSK; 172286441Srpaulo} 173286441Srpaulo 174286441Srpaulostatic inline uint16_t 175286441Srpauloiwm_te_v2_get_dep_policy(uint16_t policy) 176286441Srpaulo{ 177286441Srpaulo return (le16toh(policy) & IWM_TE_V2_DEP_POLICY_MSK) >> 178286441Srpaulo IWM_TE_V2_PLACEMENT_POS; 179286441Srpaulo} 180286441Srpaulo 181286441Srpaulostatic inline uint16_t 182286441Srpauloiwm_te_v2_get_absence(uint16_t policy) 183286441Srpaulo{ 184286441Srpaulo return (le16toh(policy) & IWM_TE_V2_ABSENCE) >> IWM_TE_V2_ABSENCE_POS; 185286441Srpaulo} 186286441Srpaulo 187286441Srpaulostatic void 188286441Srpauloiwm_mvm_te_v2_to_v1(const struct iwm_time_event_cmd_v2 *cmd_v2, 189286441Srpaulo struct iwm_time_event_cmd_v1 *cmd_v1) 190286441Srpaulo{ 191286441Srpaulo cmd_v1->id_and_color = cmd_v2->id_and_color; 192286441Srpaulo cmd_v1->action = cmd_v2->action; 193286441Srpaulo cmd_v1->id = cmd_v2->id; 194286441Srpaulo cmd_v1->apply_time = cmd_v2->apply_time; 195286441Srpaulo cmd_v1->max_delay = cmd_v2->max_delay; 196286441Srpaulo cmd_v1->depends_on = cmd_v2->depends_on; 197286441Srpaulo cmd_v1->interval = cmd_v2->interval; 198286441Srpaulo cmd_v1->duration = cmd_v2->duration; 199286441Srpaulo if (cmd_v2->repeat == IWM_TE_V2_REPEAT_ENDLESS) 200286441Srpaulo cmd_v1->repeat = htole32(IWM_TE_V1_REPEAT_ENDLESS); 201286441Srpaulo else 202286441Srpaulo cmd_v1->repeat = htole32(cmd_v2->repeat); 203286441Srpaulo cmd_v1->max_frags = htole32(cmd_v2->max_frags); 204286441Srpaulo cmd_v1->interval_reciprocal = 0; /* unused */ 205286441Srpaulo 206286441Srpaulo cmd_v1->dep_policy = htole32(iwm_te_v2_get_dep_policy(cmd_v2->policy)); 207286441Srpaulo cmd_v1->is_present = htole32(!iwm_te_v2_get_absence(cmd_v2->policy)); 208286441Srpaulo cmd_v1->notify = htole32(iwm_te_v2_get_notify(cmd_v2->policy)); 209286441Srpaulo} 210286441Srpaulo 211286441Srpaulostatic int 212286441Srpauloiwm_mvm_send_time_event_cmd(struct iwm_softc *sc, 213286441Srpaulo const struct iwm_time_event_cmd_v2 *cmd) 214286441Srpaulo{ 215286441Srpaulo struct iwm_time_event_cmd_v1 cmd_v1; 216286441Srpaulo 217286441Srpaulo if (sc->sc_capaflags & IWM_UCODE_TLV_FLAGS_TIME_EVENT_API_V2) 218286441Srpaulo return iwm_mvm_send_cmd_pdu(sc, IWM_TIME_EVENT_CMD, 219286441Srpaulo IWM_CMD_SYNC, sizeof(*cmd), cmd); 220286441Srpaulo 221286441Srpaulo iwm_mvm_te_v2_to_v1(cmd, &cmd_v1); 222286441Srpaulo return iwm_mvm_send_cmd_pdu(sc, IWM_TIME_EVENT_CMD, IWM_CMD_SYNC, 223286441Srpaulo sizeof(cmd_v1), &cmd_v1); 224286441Srpaulo} 225286441Srpaulo 226286441Srpaulostatic int 227286441Srpauloiwm_mvm_time_event_send_add(struct iwm_softc *sc, struct iwm_node *in, 228286441Srpaulo void *te_data, struct iwm_time_event_cmd_v2 *te_cmd) 229286441Srpaulo{ 230286441Srpaulo int ret; 231286441Srpaulo 232286441Srpaulo IWM_DPRINTF(sc, IWM_DEBUG_CMD | IWM_DEBUG_RESET, 233286441Srpaulo "Add new TE, duration %d TU\n", le32toh(te_cmd->duration)); 234286441Srpaulo 235286441Srpaulo ret = iwm_mvm_send_time_event_cmd(sc, te_cmd); 236286441Srpaulo if (ret) { 237286441Srpaulo IWM_DPRINTF(sc, IWM_DEBUG_CMD | IWM_DEBUG_RESET, 238286441Srpaulo "%s: Couldn't send IWM_TIME_EVENT_CMD: %d\n", 239286441Srpaulo __func__, ret); 240286441Srpaulo } 241286441Srpaulo 242286441Srpaulo return ret; 243286441Srpaulo} 244286441Srpaulo 245286441Srpaulovoid 246286441Srpauloiwm_mvm_protect_session(struct iwm_softc *sc, struct iwm_node *in, 247286441Srpaulo uint32_t duration, uint32_t min_duration, uint32_t max_delay) 248286441Srpaulo{ 249286441Srpaulo struct iwm_time_event_cmd_v2 time_cmd; 250286441Srpaulo 251286441Srpaulo memset(&time_cmd, 0, sizeof(time_cmd)); 252286441Srpaulo 253286441Srpaulo time_cmd.action = htole32(IWM_FW_CTXT_ACTION_ADD); 254286441Srpaulo time_cmd.id_and_color = 255286441Srpaulo htole32(IWM_FW_CMD_ID_AND_COLOR(IWM_DEFAULT_MACID, IWM_DEFAULT_COLOR)); 256286441Srpaulo time_cmd.id = htole32(IWM_TE_BSS_STA_AGGRESSIVE_ASSOC); 257286441Srpaulo 258286441Srpaulo time_cmd.apply_time = htole32(iwm_read_prph(sc, 259286441Srpaulo IWM_DEVICE_SYSTEM_TIME_REG)); 260286441Srpaulo 261286441Srpaulo time_cmd.max_frags = IWM_TE_V2_FRAG_NONE; 262286441Srpaulo time_cmd.max_delay = htole32(max_delay); 263286441Srpaulo /* TODO: why do we need to interval = bi if it is not periodic? */ 264286441Srpaulo time_cmd.interval = htole32(1); 265286441Srpaulo time_cmd.duration = htole32(duration); 266286441Srpaulo time_cmd.repeat = 1; 267286441Srpaulo time_cmd.policy 268286441Srpaulo = htole32(IWM_TE_V2_NOTIF_HOST_EVENT_START | 269286441Srpaulo IWM_TE_V2_NOTIF_HOST_EVENT_END); 270286441Srpaulo 271286441Srpaulo iwm_mvm_time_event_send_add(sc, in, /*te_data*/NULL, &time_cmd); 272286441Srpaulo} 273