1 /* $OpenBSD: if_iwm.c,v 1.39 2015/03/23 00:35:19 jsg Exp $ */
4 * Copyright (c) 2014 genua mbh <info@genua.de>
5 * Copyright (c) 2014 Fixup Software Ltd.
7 * Permission to use, copy, modify, and distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
21 * Based on BSD-licensed source modules in the Linux iwlwifi driver,
22 * which were used as the reference documentation for this implementation.
24 * Driver version we are currently based off of is
25 * Linux 3.14.3 (tag id a2df521e42b1d9a23f620ac79dbfe8655a8391dd)
27 ***********************************************************************
29 * This file is provided under a dual BSD/GPLv2 license. When using or
30 * redistributing this file, you may do so under either license.
34 * Copyright(c) 2007 - 2013 Intel Corporation. All rights reserved.
36 * This program is free software; you can redistribute it and/or modify
37 * it under the terms of version 2 of the GNU General Public License as
38 * published by the Free Software Foundation.
40 * This program is distributed in the hope that it will be useful, but
41 * WITHOUT ANY WARRANTY; without even the implied warranty of
42 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
43 * General Public License for more details.
45 * You should have received a copy of the GNU General Public License
46 * along with this program; if not, write to the Free Software
47 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
50 * The full GNU General Public License is included in this distribution
51 * in the file called COPYING.
53 * Contact Information:
54 * Intel Linux Wireless <ilw@linux.intel.com>
55 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
60 * Copyright(c) 2005 - 2013 Intel Corporation. All rights reserved.
61 * All rights reserved.
63 * Redistribution and use in source and binary forms, with or without
64 * modification, are permitted provided that the following conditions
67 * * Redistributions of source code must retain the above copyright
68 * notice, this list of conditions and the following disclaimer.
69 * * Redistributions in binary form must reproduce the above copyright
70 * notice, this list of conditions and the following disclaimer in
71 * the documentation and/or other materials provided with the
73 * * Neither the name Intel Corporation nor the names of its
74 * contributors may be used to endorse or promote products derived
75 * from this software without specific prior written permission.
77 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
78 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
79 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
80 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
81 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
82 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
83 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
84 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
85 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
86 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
87 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
91 * Copyright (c) 2007-2010 Damien Bergamini <damien.bergamini@free.fr>
93 * Permission to use, copy, modify, and distribute this software for any
94 * purpose with or without fee is hereby granted, provided that the above
95 * copyright notice and this permission notice appear in all copies.
97 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
98 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
99 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
100 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
101 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
102 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
103 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
105 #include <sys/cdefs.h>
106 __FBSDID("$FreeBSD$");
108 #include <sys/param.h>
110 #include <sys/endian.h>
111 #include <sys/firmware.h>
112 #include <sys/kernel.h>
113 #include <sys/malloc.h>
114 #include <sys/mbuf.h>
115 #include <sys/mutex.h>
116 #include <sys/module.h>
117 #include <sys/proc.h>
118 #include <sys/rman.h>
119 #include <sys/socket.h>
120 #include <sys/sockio.h>
121 #include <sys/sysctl.h>
122 #include <sys/linker.h>
124 #include <machine/endian.h>
126 #include <bus/pci/pcivar.h>
127 #include <bus/pci/pcireg.h>
132 #include <net/if_var.h>
133 #include <net/if_arp.h>
134 #include <net/ethernet.h>
135 #include <net/if_dl.h>
136 #include <net/if_media.h>
137 #include <net/if_types.h>
138 #include <net/ifq_var.h>
140 #include <netinet/in.h>
141 #include <netinet/in_systm.h>
142 #include <netinet/if_ether.h>
143 #include <netinet/ip.h>
145 #include <netproto/802_11/ieee80211_var.h>
146 #include <netproto/802_11/ieee80211_regdomain.h>
147 #include <netproto/802_11/ieee80211_ratectl.h>
148 #include <netproto/802_11/ieee80211_radiotap.h>
150 #include "if_iwmreg.h"
151 #include "if_iwmvar.h"
152 #include "if_iwm_debug.h"
153 #include "if_iwm_util.h"
154 #include "if_iwm_pcie_trans.h"
155 #include "if_iwm_time_event.h"
158 * For the high priority TE use a time event type that has similar priority to
159 * the FW's action scan priority.
161 #define IWM_MVM_ROC_TE_TYPE_NORMAL IWM_TE_P2P_DEVICE_DISCOVERABLE
162 #define IWM_MVM_ROC_TE_TYPE_MGMT_TX IWM_TE_P2P_CLIENT_ASSOC
164 /* used to convert from time event API v2 to v1 */
165 #define IWM_TE_V2_DEP_POLICY_MSK (IWM_TE_V2_DEP_OTHER | IWM_TE_V2_DEP_TSF |\
166 IWM_TE_V2_EVENT_SOCIOPATHIC)
167 static inline uint16_t
168 iwm_te_v2_get_notify(uint16_t policy)
170 return le16toh(policy) & IWM_TE_V2_NOTIF_MSK;
173 static inline uint16_t
174 iwm_te_v2_get_dep_policy(uint16_t policy)
176 return (le16toh(policy) & IWM_TE_V2_DEP_POLICY_MSK) >>
177 IWM_TE_V2_PLACEMENT_POS;
180 static inline uint16_t
181 iwm_te_v2_get_absence(uint16_t policy)
183 return (le16toh(policy) & IWM_TE_V2_ABSENCE) >> IWM_TE_V2_ABSENCE_POS;
187 iwm_mvm_te_v2_to_v1(const struct iwm_time_event_cmd_v2 *cmd_v2,
188 struct iwm_time_event_cmd_v1 *cmd_v1)
190 cmd_v1->id_and_color = cmd_v2->id_and_color;
191 cmd_v1->action = cmd_v2->action;
192 cmd_v1->id = cmd_v2->id;
193 cmd_v1->apply_time = cmd_v2->apply_time;
194 cmd_v1->max_delay = cmd_v2->max_delay;
195 cmd_v1->depends_on = cmd_v2->depends_on;
196 cmd_v1->interval = cmd_v2->interval;
197 cmd_v1->duration = cmd_v2->duration;
198 if (cmd_v2->repeat == IWM_TE_V2_REPEAT_ENDLESS)
199 cmd_v1->repeat = htole32(IWM_TE_V1_REPEAT_ENDLESS);
201 cmd_v1->repeat = htole32(cmd_v2->repeat);
202 cmd_v1->max_frags = htole32(cmd_v2->max_frags);
203 cmd_v1->interval_reciprocal = 0; /* unused */
205 cmd_v1->dep_policy = htole32(iwm_te_v2_get_dep_policy(cmd_v2->policy));
206 cmd_v1->is_present = htole32(!iwm_te_v2_get_absence(cmd_v2->policy));
207 cmd_v1->notify = htole32(iwm_te_v2_get_notify(cmd_v2->policy));
211 iwm_mvm_send_time_event_cmd(struct iwm_softc *sc,
212 const struct iwm_time_event_cmd_v2 *cmd)
214 struct iwm_time_event_cmd_v1 cmd_v1;
216 if (sc->sc_capaflags & IWM_UCODE_TLV_FLAGS_TIME_EVENT_API_V2)
217 return iwm_mvm_send_cmd_pdu(sc, IWM_TIME_EVENT_CMD,
218 IWM_CMD_SYNC, sizeof(*cmd), cmd);
220 iwm_mvm_te_v2_to_v1(cmd, &cmd_v1);
221 return iwm_mvm_send_cmd_pdu(sc, IWM_TIME_EVENT_CMD, IWM_CMD_SYNC,
222 sizeof(cmd_v1), &cmd_v1);
226 iwm_mvm_time_event_send_add(struct iwm_softc *sc, struct iwm_node *in,
227 void *te_data, struct iwm_time_event_cmd_v2 *te_cmd)
231 IWM_DPRINTF(sc, IWM_DEBUG_CMD | IWM_DEBUG_RESET,
232 "Add new TE, duration %d TU\n", le32toh(te_cmd->duration));
234 ret = iwm_mvm_send_time_event_cmd(sc, te_cmd);
236 IWM_DPRINTF(sc, IWM_DEBUG_CMD | IWM_DEBUG_RESET,
237 "%s: Couldn't send IWM_TIME_EVENT_CMD: %d\n",
245 iwm_mvm_protect_session(struct iwm_softc *sc, struct iwm_node *in,
246 uint32_t duration, uint32_t min_duration, uint32_t max_delay)
248 struct iwm_time_event_cmd_v2 time_cmd;
250 memset(&time_cmd, 0, sizeof(time_cmd));
252 time_cmd.action = htole32(IWM_FW_CTXT_ACTION_ADD);
253 time_cmd.id_and_color =
254 htole32(IWM_FW_CMD_ID_AND_COLOR(IWM_DEFAULT_MACID, IWM_DEFAULT_COLOR));
255 time_cmd.id = htole32(IWM_TE_BSS_STA_AGGRESSIVE_ASSOC);
257 time_cmd.apply_time = htole32(iwm_read_prph(sc,
258 IWM_DEVICE_SYSTEM_TIME_REG));
260 time_cmd.max_frags = IWM_TE_V2_FRAG_NONE;
261 time_cmd.max_delay = htole32(max_delay);
262 /* TODO: why do we need to interval = bi if it is not periodic? */
263 time_cmd.interval = htole32(1);
264 time_cmd.duration = htole32(duration);
267 = htole32(IWM_TE_V2_NOTIF_HOST_EVENT_START |
268 IWM_TE_V2_NOTIF_HOST_EVENT_END);
270 iwm_mvm_time_event_send_add(sc, in, /*te_data*/NULL, &time_cmd);