xref: /freebsd/sys/dev/iwm/if_iwm_binding.c (revision bdba68304768500fb52bb5b5c94f0e7bf75d47fe)
1d4886179SRui Paulo /*	$OpenBSD: if_iwm.c,v 1.39 2015/03/23 00:35:19 jsg Exp $	*/
2d4886179SRui Paulo 
3d4886179SRui Paulo /*
4d4886179SRui Paulo  * Copyright (c) 2014 genua mbh <info@genua.de>
5d4886179SRui Paulo  * Copyright (c) 2014 Fixup Software Ltd.
6d4886179SRui Paulo  *
7d4886179SRui Paulo  * Permission to use, copy, modify, and distribute this software for any
8d4886179SRui Paulo  * purpose with or without fee is hereby granted, provided that the above
9d4886179SRui Paulo  * copyright notice and this permission notice appear in all copies.
10d4886179SRui Paulo  *
11d4886179SRui Paulo  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12d4886179SRui Paulo  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13d4886179SRui Paulo  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14d4886179SRui Paulo  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15d4886179SRui Paulo  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16d4886179SRui Paulo  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17d4886179SRui Paulo  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18d4886179SRui Paulo  */
19d4886179SRui Paulo 
20d4886179SRui Paulo /*-
21d4886179SRui Paulo  * Based on BSD-licensed source modules in the Linux iwlwifi driver,
22d4886179SRui Paulo  * which were used as the reference documentation for this implementation.
23d4886179SRui Paulo  *
24d4886179SRui Paulo  * Driver version we are currently based off of is
25d4886179SRui Paulo  * Linux 3.14.3 (tag id a2df521e42b1d9a23f620ac79dbfe8655a8391dd)
26d4886179SRui Paulo  *
27d4886179SRui Paulo  ***********************************************************************
28d4886179SRui Paulo  *
29d4886179SRui Paulo  * This file is provided under a dual BSD/GPLv2 license.  When using or
30d4886179SRui Paulo  * redistributing this file, you may do so under either license.
31d4886179SRui Paulo  *
32d4886179SRui Paulo  * GPL LICENSE SUMMARY
33d4886179SRui Paulo  *
34*bdba6830SAdrian Chadd  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
35d4886179SRui Paulo  *
36d4886179SRui Paulo  * This program is free software; you can redistribute it and/or modify
37d4886179SRui Paulo  * it under the terms of version 2 of the GNU General Public License as
38d4886179SRui Paulo  * published by the Free Software Foundation.
39d4886179SRui Paulo  *
40d4886179SRui Paulo  * This program is distributed in the hope that it will be useful, but
41d4886179SRui Paulo  * WITHOUT ANY WARRANTY; without even the implied warranty of
42d4886179SRui Paulo  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
43d4886179SRui Paulo  * General Public License for more details.
44d4886179SRui Paulo  *
45d4886179SRui Paulo  * You should have received a copy of the GNU General Public License
46d4886179SRui Paulo  * along with this program; if not, write to the Free Software
47d4886179SRui Paulo  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
48d4886179SRui Paulo  * USA
49d4886179SRui Paulo  *
50d4886179SRui Paulo  * The full GNU General Public License is included in this distribution
51d4886179SRui Paulo  * in the file called COPYING.
52d4886179SRui Paulo  *
53d4886179SRui Paulo  * Contact Information:
54*bdba6830SAdrian Chadd  *  Intel Linux Wireless <linuxwifi@intel.com>
55d4886179SRui Paulo  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
56d4886179SRui Paulo  *
57d4886179SRui Paulo  * BSD LICENSE
58d4886179SRui Paulo  *
59*bdba6830SAdrian Chadd  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
60d4886179SRui Paulo  * All rights reserved.
61d4886179SRui Paulo  *
62d4886179SRui Paulo  * Redistribution and use in source and binary forms, with or without
63d4886179SRui Paulo  * modification, are permitted provided that the following conditions
64d4886179SRui Paulo  * are met:
65d4886179SRui Paulo  *
66d4886179SRui Paulo  *  * Redistributions of source code must retain the above copyright
67d4886179SRui Paulo  *    notice, this list of conditions and the following disclaimer.
68d4886179SRui Paulo  *  * Redistributions in binary form must reproduce the above copyright
69d4886179SRui Paulo  *    notice, this list of conditions and the following disclaimer in
70d4886179SRui Paulo  *    the documentation and/or other materials provided with the
71d4886179SRui Paulo  *    distribution.
72d4886179SRui Paulo  *  * Neither the name Intel Corporation nor the names of its
73d4886179SRui Paulo  *    contributors may be used to endorse or promote products derived
74d4886179SRui Paulo  *    from this software without specific prior written permission.
75d4886179SRui Paulo  *
76d4886179SRui Paulo  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
77d4886179SRui Paulo  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
78d4886179SRui Paulo  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
79d4886179SRui Paulo  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
80d4886179SRui Paulo  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
81d4886179SRui Paulo  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
82d4886179SRui Paulo  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
83d4886179SRui Paulo  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
84d4886179SRui Paulo  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
85d4886179SRui Paulo  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
86d4886179SRui Paulo  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
87d4886179SRui Paulo  */
88d4886179SRui Paulo 
89d4886179SRui Paulo #include <sys/cdefs.h>
90d4886179SRui Paulo __FBSDID("$FreeBSD$");
91d4886179SRui Paulo 
92b789292fSAndriy Voskoboinyk #include "opt_wlan.h"
93616201d1SAdrian Chadd #include "opt_iwm.h"
94b789292fSAndriy Voskoboinyk 
95d4886179SRui Paulo #include <sys/param.h>
96d4886179SRui Paulo #include <sys/bus.h>
97d4886179SRui Paulo #include <sys/conf.h>
98d4886179SRui Paulo #include <sys/endian.h>
99d4886179SRui Paulo #include <sys/firmware.h>
100d4886179SRui Paulo #include <sys/kernel.h>
101d4886179SRui Paulo #include <sys/malloc.h>
102d4886179SRui Paulo #include <sys/mbuf.h>
103d4886179SRui Paulo #include <sys/mutex.h>
104d4886179SRui Paulo #include <sys/module.h>
105d4886179SRui Paulo #include <sys/proc.h>
106d4886179SRui Paulo #include <sys/rman.h>
107d4886179SRui Paulo #include <sys/socket.h>
108d4886179SRui Paulo #include <sys/sockio.h>
109d4886179SRui Paulo #include <sys/sysctl.h>
110d4886179SRui Paulo #include <sys/linker.h>
111d4886179SRui Paulo 
112d4886179SRui Paulo #include <machine/bus.h>
113d4886179SRui Paulo #include <machine/endian.h>
114d4886179SRui Paulo #include <machine/resource.h>
115d4886179SRui Paulo 
116d4886179SRui Paulo #include <dev/pci/pcivar.h>
117d4886179SRui Paulo #include <dev/pci/pcireg.h>
118d4886179SRui Paulo 
119d4886179SRui Paulo #include <net/bpf.h>
120d4886179SRui Paulo 
121d4886179SRui Paulo #include <net/if.h>
122d4886179SRui Paulo #include <net/if_var.h>
123d4886179SRui Paulo #include <net/if_arp.h>
124d4886179SRui Paulo #include <net/if_dl.h>
125d4886179SRui Paulo #include <net/if_media.h>
126d4886179SRui Paulo #include <net/if_types.h>
127d4886179SRui Paulo 
128d4886179SRui Paulo #include <netinet/in.h>
129d4886179SRui Paulo #include <netinet/in_systm.h>
130d4886179SRui Paulo #include <netinet/if_ether.h>
131d4886179SRui Paulo #include <netinet/ip.h>
132d4886179SRui Paulo 
133d4886179SRui Paulo #include <net80211/ieee80211_var.h>
134d4886179SRui Paulo #include <net80211/ieee80211_regdomain.h>
135d4886179SRui Paulo #include <net80211/ieee80211_ratectl.h>
136d4886179SRui Paulo #include <net80211/ieee80211_radiotap.h>
137d4886179SRui Paulo 
13849fdbf0aSRui Paulo #include <dev/iwm/if_iwmreg.h>
13949fdbf0aSRui Paulo #include <dev/iwm/if_iwmvar.h>
14049fdbf0aSRui Paulo #include <dev/iwm/if_iwm_debug.h>
14149fdbf0aSRui Paulo #include <dev/iwm/if_iwm_util.h>
14249fdbf0aSRui Paulo #include <dev/iwm/if_iwm_binding.h>
143d4886179SRui Paulo 
144d4886179SRui Paulo /*
145d4886179SRui Paulo  * BEGIN iwlwifi/mvm/binding.c
146d4886179SRui Paulo  */
147d4886179SRui Paulo 
148*bdba6830SAdrian Chadd struct iwm_mvm_iface_iterator_data {
149*bdba6830SAdrian Chadd 	int idx;
150*bdba6830SAdrian Chadd 
151*bdba6830SAdrian Chadd 	struct iwm_mvm_phy_ctxt *phyctxt;
152*bdba6830SAdrian Chadd 
153*bdba6830SAdrian Chadd 	uint16_t ids[IWM_MAX_MACS_IN_BINDING];
154*bdba6830SAdrian Chadd 	int16_t colors[IWM_MAX_MACS_IN_BINDING];
155*bdba6830SAdrian Chadd };
156*bdba6830SAdrian Chadd 
157*bdba6830SAdrian Chadd static int
158*bdba6830SAdrian Chadd iwm_mvm_binding_cmd(struct iwm_softc *sc, uint32_t action,
159*bdba6830SAdrian Chadd 	struct iwm_mvm_iface_iterator_data *data)
160d4886179SRui Paulo {
161d4886179SRui Paulo 	struct iwm_binding_cmd cmd;
162*bdba6830SAdrian Chadd 	struct iwm_mvm_phy_ctxt *phyctxt = data->phyctxt;
163d4886179SRui Paulo 	int i, ret;
164d4886179SRui Paulo 	uint32_t status;
165d4886179SRui Paulo 
166d4886179SRui Paulo 	memset(&cmd, 0, sizeof(cmd));
167d4886179SRui Paulo 
168d4886179SRui Paulo 	cmd.id_and_color
169d4886179SRui Paulo 	    = htole32(IWM_FW_CMD_ID_AND_COLOR(phyctxt->id, phyctxt->color));
170d4886179SRui Paulo 	cmd.action = htole32(action);
171d4886179SRui Paulo 	cmd.phy = htole32(IWM_FW_CMD_ID_AND_COLOR(phyctxt->id, phyctxt->color));
172d4886179SRui Paulo 
173*bdba6830SAdrian Chadd 	for (i = 0; i < IWM_MAX_MACS_IN_BINDING; i++)
174d4886179SRui Paulo 		cmd.macs[i] = htole32(IWM_FW_CTXT_INVALID);
175*bdba6830SAdrian Chadd 	for (i = 0; i < data->idx; i++)
176*bdba6830SAdrian Chadd 		cmd.macs[i] = htole32(IWM_FW_CMD_ID_AND_COLOR(data->ids[i],
177*bdba6830SAdrian Chadd 							      data->colors[i]));
178d4886179SRui Paulo 
179d4886179SRui Paulo 	status = 0;
180d4886179SRui Paulo 	ret = iwm_mvm_send_cmd_pdu_status(sc, IWM_BINDING_CONTEXT_CMD,
181d4886179SRui Paulo 	    sizeof(cmd), &cmd, &status);
182d4886179SRui Paulo 	if (ret) {
183*bdba6830SAdrian Chadd 		device_printf(sc->sc_dev,
184*bdba6830SAdrian Chadd 		    "Failed to send binding (action:%d): %d\n", action, ret);
185d4886179SRui Paulo 		return ret;
186d4886179SRui Paulo 	}
187d4886179SRui Paulo 
188d4886179SRui Paulo 	if (status) {
189*bdba6830SAdrian Chadd 		device_printf(sc->sc_dev,
190*bdba6830SAdrian Chadd 		    "Binding command failed: %u\n", status);
191d4886179SRui Paulo 		ret = EIO;
192d4886179SRui Paulo 	}
193d4886179SRui Paulo 
194d4886179SRui Paulo 	return ret;
195d4886179SRui Paulo }
196d4886179SRui Paulo 
197*bdba6830SAdrian Chadd static int
198*bdba6830SAdrian Chadd iwm_mvm_binding_update(struct iwm_softc *sc, struct iwm_vap *ivp,
199*bdba6830SAdrian Chadd 	struct iwm_mvm_phy_ctxt *phyctxt, boolean_t add)
200d4886179SRui Paulo {
201*bdba6830SAdrian Chadd 	struct iwm_mvm_iface_iterator_data data = {
202*bdba6830SAdrian Chadd 		.phyctxt = phyctxt,
203*bdba6830SAdrian Chadd 	};
204*bdba6830SAdrian Chadd 	uint32_t action;
205*bdba6830SAdrian Chadd 
206*bdba6830SAdrian Chadd 	if (add)
207*bdba6830SAdrian Chadd 		action = IWM_FW_CTXT_ACTION_ADD;
208*bdba6830SAdrian Chadd 	else
209*bdba6830SAdrian Chadd 		action = IWM_FW_CTXT_ACTION_REMOVE;
210*bdba6830SAdrian Chadd 
211*bdba6830SAdrian Chadd 	if (add) {
212*bdba6830SAdrian Chadd 		data.ids[0] = ivp->id;
213*bdba6830SAdrian Chadd 		data.colors[0] = ivp->color;
214*bdba6830SAdrian Chadd 		data.idx++;
215*bdba6830SAdrian Chadd 	}
216*bdba6830SAdrian Chadd 
217*bdba6830SAdrian Chadd 	return iwm_mvm_binding_cmd(sc, action, &data);
218d4886179SRui Paulo }
219d4886179SRui Paulo 
220d4886179SRui Paulo int
221f32adafdSAdrian Chadd iwm_mvm_binding_add_vif(struct iwm_softc *sc, struct iwm_vap *ivp)
222d4886179SRui Paulo {
223*bdba6830SAdrian Chadd 	if (!ivp->phy_ctxt)
224*bdba6830SAdrian Chadd 		return EINVAL;
225*bdba6830SAdrian Chadd 
226*bdba6830SAdrian Chadd #ifdef notyet
227*bdba6830SAdrian Chadd 	/*
228*bdba6830SAdrian Chadd 	 * Update SF - Disable if needed. if this fails, SF might still be on
229*bdba6830SAdrian Chadd 	 * while many macs are bound, which is forbidden - so fail the binding.
230*bdba6830SAdrian Chadd 	 */
231*bdba6830SAdrian Chadd 	if (iwm_mvm_sf_update(sc, ivp, FALSE))
232*bdba6830SAdrian Chadd 		return EINVAL;
233*bdba6830SAdrian Chadd #endif
234*bdba6830SAdrian Chadd 
235*bdba6830SAdrian Chadd 	return iwm_mvm_binding_update(sc, ivp, ivp->phy_ctxt, TRUE);
236*bdba6830SAdrian Chadd }
237*bdba6830SAdrian Chadd 
238*bdba6830SAdrian Chadd int
239*bdba6830SAdrian Chadd iwm_mvm_binding_remove_vif(struct iwm_softc *sc, struct iwm_vap *ivp)
240*bdba6830SAdrian Chadd {
241*bdba6830SAdrian Chadd 	int ret;
242*bdba6830SAdrian Chadd 
243*bdba6830SAdrian Chadd 	if (!ivp->phy_ctxt)
244*bdba6830SAdrian Chadd 		return EINVAL;
245*bdba6830SAdrian Chadd 
246*bdba6830SAdrian Chadd 	ret = iwm_mvm_binding_update(sc, ivp, ivp->phy_ctxt, FALSE);
247*bdba6830SAdrian Chadd 
248*bdba6830SAdrian Chadd #ifdef notyet
249*bdba6830SAdrian Chadd 	if (!ret) {
250*bdba6830SAdrian Chadd 		if (iwm_mvm_sf_update(sc, ivp, TRUE))
251*bdba6830SAdrian Chadd 			device_printf(sc->sc_dev,
252*bdba6830SAdrian Chadd 			    "Failed to update SF state\n");
253*bdba6830SAdrian Chadd 	}
254*bdba6830SAdrian Chadd #endif
255*bdba6830SAdrian Chadd 
256*bdba6830SAdrian Chadd 	return ret;
257d4886179SRui Paulo }
258