/* $OpenBSD: if_iwm.c,v 1.39 2015/03/23 00:35:19 jsg Exp $ */ /* * Copyright (c) 2014 genua mbh * 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 * 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 * * 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 __FBSDID("$FreeBSD$"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "if_iwmreg.h" #include "if_iwmvar.h" #include "if_iwm_debug.h" #include "if_iwm_util.h" #include "if_iwm_pcie_trans.h" #include "if_iwm_time_event.h" /* * For the high priority TE use a time event type that has similar priority to * the FW's action scan priority. */ #define IWM_MVM_ROC_TE_TYPE_NORMAL IWM_TE_P2P_DEVICE_DISCOVERABLE #define IWM_MVM_ROC_TE_TYPE_MGMT_TX IWM_TE_P2P_CLIENT_ASSOC /* used to convert from time event API v2 to v1 */ #define IWM_TE_V2_DEP_POLICY_MSK (IWM_TE_V2_DEP_OTHER | IWM_TE_V2_DEP_TSF |\ IWM_TE_V2_EVENT_SOCIOPATHIC) static inline uint16_t iwm_te_v2_get_notify(uint16_t policy) { return le16toh(policy) & IWM_TE_V2_NOTIF_MSK; } static inline uint16_t iwm_te_v2_get_dep_policy(uint16_t policy) { return (le16toh(policy) & IWM_TE_V2_DEP_POLICY_MSK) >> IWM_TE_V2_PLACEMENT_POS; } static inline uint16_t iwm_te_v2_get_absence(uint16_t policy) { return (le16toh(policy) & IWM_TE_V2_ABSENCE) >> IWM_TE_V2_ABSENCE_POS; } static void iwm_mvm_te_v2_to_v1(const struct iwm_time_event_cmd_v2 *cmd_v2, struct iwm_time_event_cmd_v1 *cmd_v1) { cmd_v1->id_and_color = cmd_v2->id_and_color; cmd_v1->action = cmd_v2->action; cmd_v1->id = cmd_v2->id; cmd_v1->apply_time = cmd_v2->apply_time; cmd_v1->max_delay = cmd_v2->max_delay; cmd_v1->depends_on = cmd_v2->depends_on; cmd_v1->interval = cmd_v2->interval; cmd_v1->duration = cmd_v2->duration; if (cmd_v2->repeat == IWM_TE_V2_REPEAT_ENDLESS) cmd_v1->repeat = htole32(IWM_TE_V1_REPEAT_ENDLESS); else cmd_v1->repeat = htole32(cmd_v2->repeat); cmd_v1->max_frags = htole32(cmd_v2->max_frags); cmd_v1->interval_reciprocal = 0; /* unused */ cmd_v1->dep_policy = htole32(iwm_te_v2_get_dep_policy(cmd_v2->policy)); cmd_v1->is_present = htole32(!iwm_te_v2_get_absence(cmd_v2->policy)); cmd_v1->notify = htole32(iwm_te_v2_get_notify(cmd_v2->policy)); } static int iwm_mvm_send_time_event_cmd(struct iwm_softc *sc, const struct iwm_time_event_cmd_v2 *cmd) { struct iwm_time_event_cmd_v1 cmd_v1; if (sc->sc_capaflags & IWM_UCODE_TLV_FLAGS_TIME_EVENT_API_V2) return iwm_mvm_send_cmd_pdu(sc, IWM_TIME_EVENT_CMD, IWM_CMD_SYNC, sizeof(*cmd), cmd); iwm_mvm_te_v2_to_v1(cmd, &cmd_v1); return iwm_mvm_send_cmd_pdu(sc, IWM_TIME_EVENT_CMD, IWM_CMD_SYNC, sizeof(cmd_v1), &cmd_v1); } static int iwm_mvm_time_event_send_add(struct iwm_softc *sc, struct iwm_node *in, void *te_data, struct iwm_time_event_cmd_v2 *te_cmd) { int ret; IWM_DPRINTF(sc, IWM_DEBUG_CMD | IWM_DEBUG_RESET, "Add new TE, duration %d TU\n", le32toh(te_cmd->duration)); ret = iwm_mvm_send_time_event_cmd(sc, te_cmd); if (ret) { IWM_DPRINTF(sc, IWM_DEBUG_CMD | IWM_DEBUG_RESET, "%s: Couldn't send IWM_TIME_EVENT_CMD: %d\n", __func__, ret); } return ret; } void iwm_mvm_protect_session(struct iwm_softc *sc, struct iwm_node *in, uint32_t duration, uint32_t min_duration, uint32_t max_delay) { struct iwm_time_event_cmd_v2 time_cmd; memset(&time_cmd, 0, sizeof(time_cmd)); time_cmd.action = htole32(IWM_FW_CTXT_ACTION_ADD); time_cmd.id_and_color = htole32(IWM_FW_CMD_ID_AND_COLOR(IWM_DEFAULT_MACID, IWM_DEFAULT_COLOR)); time_cmd.id = htole32(IWM_TE_BSS_STA_AGGRESSIVE_ASSOC); time_cmd.apply_time = htole32(iwm_read_prph(sc, IWM_DEVICE_SYSTEM_TIME_REG)); time_cmd.max_frags = IWM_TE_V2_FRAG_NONE; time_cmd.max_delay = htole32(max_delay); /* TODO: why do we need to interval = bi if it is not periodic? */ time_cmd.interval = htole32(1); time_cmd.duration = htole32(duration); time_cmd.repeat = 1; time_cmd.policy = htole32(IWM_TE_V2_NOTIF_HOST_EVENT_START | IWM_TE_V2_NOTIF_HOST_EVENT_END); iwm_mvm_time_event_send_add(sc, in, /*te_data*/NULL, &time_cmd); }