/* $OpenBSD: if_iwmvar.h,v 1.7 2015/03/02 13:51:10 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. */ struct iwm_rx_radiotap_header { struct ieee80211_radiotap_header wr_ihdr; uint64_t wr_tsft; uint8_t wr_flags; uint8_t wr_rate; uint16_t wr_chan_freq; uint16_t wr_chan_flags; int8_t wr_dbm_antsignal; int8_t wr_dbm_antnoise; } __packed __aligned(8); #define IWM_RX_RADIOTAP_PRESENT \ ((1 << IEEE80211_RADIOTAP_TSFT) | \ (1 << IEEE80211_RADIOTAP_FLAGS) | \ (1 << IEEE80211_RADIOTAP_RATE) | \ (1 << IEEE80211_RADIOTAP_CHANNEL) | \ (1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) | \ (1 << IEEE80211_RADIOTAP_DBM_ANTNOISE)) struct iwm_tx_radiotap_header { struct ieee80211_radiotap_header wt_ihdr; uint8_t wt_flags; uint8_t wt_rate; uint16_t wt_chan_freq; uint16_t wt_chan_flags; } __packed; #define IWM_TX_RADIOTAP_PRESENT \ ((1 << IEEE80211_RADIOTAP_FLAGS) | \ (1 << IEEE80211_RADIOTAP_RATE) | \ (1 << IEEE80211_RADIOTAP_CHANNEL)) #define IWM_UCODE_SECTION_MAX 16 /** * enum iwm_ucode_type * * The type of ucode. * * @IWM_UCODE_REGULAR: Normal runtime ucode * @IWM_UCODE_INIT: Initial ucode * @IWM_UCODE_WOWLAN: Wake on Wireless enabled ucode * @IWM_UCODE_REGULAR_USNIFFER: Normal runtime ucode when using usniffer image */ enum iwm_ucode_type { IWM_UCODE_REGULAR, IWM_UCODE_INIT, IWM_UCODE_WOWLAN, IWM_UCODE_REGULAR_USNIFFER, IWM_UCODE_TYPE_MAX }; struct iwm_ucode_capabilities { uint32_t max_probe_length; uint32_t n_scan_channels; uint32_t flags; uint8_t enabled_api[howmany(IWM_NUM_UCODE_TLV_API, NBBY)]; uint8_t enabled_capa[howmany(IWM_NUM_UCODE_TLV_CAPA, NBBY)]; }; /* one for each uCode image (inst/data, init/runtime/wowlan) */ struct iwm_fw_desc { const void *data; /* vmalloc'ed data */ uint32_t len; /* size in bytes */ uint32_t offset; /* offset in the device */ }; struct iwm_fw_img { struct iwm_fw_desc sec[IWM_UCODE_SECTION_MAX]; int fw_count; int is_dual_cpus; uint32_t paging_mem_size; }; struct iwm_fw_info { const struct firmware *fw_fp; /* ucode images */ struct iwm_fw_img img[IWM_UCODE_TYPE_MAX]; struct iwm_ucode_capabilities ucode_capa; uint32_t phy_config; uint8_t valid_tx_ant; uint8_t valid_rx_ant; }; struct iwm_nvm_data { int n_hw_addrs; uint8_t hw_addr[IEEE80211_ADDR_LEN]; int sku_cap_band_24GHz_enable; int sku_cap_band_52GHz_enable; int sku_cap_11n_enable; int sku_cap_amt_enable; int sku_cap_ipan_enable; uint8_t radio_cfg_type; uint8_t radio_cfg_step; uint8_t radio_cfg_dash; uint8_t radio_cfg_pnum; uint8_t valid_tx_ant, valid_rx_ant; #define IWM_NUM_CHANNELS 39 #define IWM_NUM_CHANNELS_8000 51 uint16_t nvm_version; uint8_t max_tx_pwr_half_dbm; boolean_t lar_enabled; uint16_t nvm_ch_flags[]; }; /* max bufs per tfd the driver will use */ #define IWM_MAX_CMD_TBS_PER_TFD 2 struct iwm_rx_packet; struct iwm_host_cmd { const void *data[IWM_MAX_CMD_TBS_PER_TFD]; struct iwm_rx_packet *resp_pkt; unsigned long _rx_page_addr; uint32_t _rx_page_order; int handler_status; uint32_t flags; uint32_t id; uint16_t len[IWM_MAX_CMD_TBS_PER_TFD]; uint8_t dataflags[IWM_MAX_CMD_TBS_PER_TFD]; }; /* * DMA glue is from iwn */ typedef caddr_t iwm_caddr_t; typedef void *iwm_hookarg_t; struct iwm_dma_info { bus_dma_tag_t tag; bus_dmamap_t map; bus_dma_segment_t seg; bus_addr_t paddr; void *vaddr; bus_size_t size; }; /** * struct iwm_fw_paging * @fw_paging_block: dma memory info * @fw_paging_size: page size */ struct iwm_fw_paging { struct iwm_dma_info fw_paging_block; uint32_t fw_paging_size; }; #define IWM_TX_RING_COUNT 256 #define IWM_TX_RING_LOMARK 192 #define IWM_TX_RING_HIMARK 224 struct iwm_tx_data { bus_dmamap_t map; bus_addr_t cmd_paddr; bus_addr_t scratch_paddr; struct mbuf *m; struct iwm_node *in; int done; }; struct iwm_tx_ring { struct iwm_dma_info desc_dma; struct iwm_dma_info cmd_dma; struct iwm_tfd *desc; struct iwm_device_cmd *cmd; bus_dma_tag_t data_dmat; struct iwm_tx_data data[IWM_TX_RING_COUNT]; int qid; int queued; int cur; }; #define IWM_RX_LEGACY_RING_COUNT 256 #define IWM_RX_MQ_RING_COUNT 512 #define IWM_RBUF_SIZE 4096 #define IWM_MAX_SCATTER 20 struct iwm_rx_data { struct mbuf *m; bus_dmamap_t map; }; struct iwm_rx_ring { struct iwm_dma_info free_desc_dma; struct iwm_dma_info used_desc_dma; struct iwm_dma_info stat_dma; struct iwm_dma_info buf_dma; void *desc; struct iwm_rb_status *stat; struct iwm_rx_data data[512]; bus_dmamap_t spare_map; /* for iwm_rx_addbuf() */ bus_dma_tag_t data_dmat; int cur; }; #define IWM_CMD_RESP_MAX PAGE_SIZE #define IWM_TE_SESSION_PROTECTION_MAX_TIME_MS 500 #define IWM_TE_SESSION_PROTECTION_MIN_TIME_MS 400 /* * Command headers are in iwl-trans.h, which is full of all * kinds of other junk, so we just replicate the structures here. * First the software bits: */ enum IWM_CMD_MODE { IWM_CMD_SYNC = 0, IWM_CMD_ASYNC = (1 << 0), IWM_CMD_WANT_SKB = (1 << 1), IWM_CMD_SEND_IN_RFKILL = (1 << 2), }; enum iwm_hcmd_dataflag { IWM_HCMD_DFL_NOCOPY = (1 << 0), IWM_HCMD_DFL_DUP = (1 << 1), }; struct iwm_int_sta { uint32_t sta_id; uint32_t tfd_queue_msk; }; struct iwm_phy_ctxt { uint16_t id; uint16_t color; uint32_t ref; struct ieee80211_channel *channel; }; struct iwm_bf_data { int bf_enabled; /* filtering */ int ba_enabled; /* abort */ int ave_beacon_signal; int last_cqm_event; }; struct iwm_vap { struct ieee80211vap iv_vap; int is_uploaded; int iv_auth; int (*iv_newstate)(struct ieee80211vap *, enum ieee80211_state, int); struct iwm_phy_ctxt *phy_ctxt; uint16_t id; uint16_t color; boolean_t have_wme; /* * QoS data from net80211, need to store this here * as net80211 has a separate callback but we need * to have the data for the MAC context */ struct { uint16_t cw_min; uint16_t cw_max; uint16_t edca_txop; uint8_t aifsn; } queue_params[WME_NUM_AC]; /* indicates that this interface requires PS to be disabled */ boolean_t ps_disabled; }; #define IWM_VAP(_vap) ((struct iwm_vap *)(_vap)) struct iwm_node { struct ieee80211_node in_ni; /* status "bits" */ int in_assoc; struct iwm_lq_cmd in_lq; }; #define IWM_NODE(_ni) ((struct iwm_node *)(_ni)) #define IWM_STATION_ID 0 #define IWM_AUX_STA_ID 1 #define IWM_DEFAULT_MACID 0 #define IWM_DEFAULT_COLOR 0 #define IWM_DEFAULT_TSFID 0 #define IWM_ICT_SIZE 4096 #define IWM_ICT_COUNT (IWM_ICT_SIZE / sizeof (uint32_t)) #define IWM_ICT_PADDR_SHIFT 12 struct iwm_cfg; struct iwm_softc { device_t sc_dev; uint32_t sc_debug; int sc_attached; struct mtx sc_mtx; struct mbufq sc_snd; struct ieee80211com sc_ic; struct ieee80211_ratectl_tx_status sc_txs; int sc_flags; #define IWM_FLAG_USE_ICT (1 << 0) #define IWM_FLAG_HW_INITED (1 << 1) #define IWM_FLAG_STOPPED (1 << 2) #define IWM_FLAG_RFKILL (1 << 3) #define IWM_FLAG_BUSY (1 << 4) #define IWM_FLAG_SCANNING (1 << 5) #define IWM_FLAG_SCAN_RUNNING (1 << 6) #define IWM_FLAG_TE_ACTIVE (1 << 7) struct intr_config_hook sc_preinit_hook; struct callout sc_watchdog_to; struct callout sc_led_blink_to; struct task init_task; struct resource *sc_irq; struct resource *sc_mem; bus_space_tag_t sc_st; bus_space_handle_t sc_sh; bus_size_t sc_sz; bus_dma_tag_t sc_dmat; void *sc_ih; /* TX scheduler rings. */ struct iwm_dma_info sched_dma; uint32_t scd_base_addr; /* TX/RX rings. */ struct iwm_tx_ring txq[IWM_MAX_QUEUES]; struct iwm_rx_ring rxq; int qfullmsk; /* ICT table. */ struct iwm_dma_info ict_dma; int ict_cur; int sc_hw_rev; int sc_hw_id; struct iwm_dma_info kw_dma; struct iwm_dma_info fw_dma; int sc_fw_chunk_done; enum iwm_ucode_type cur_ucode; int ucode_loaded; char sc_fwver[32]; char sc_fw_mcc[3]; int sc_intmask; /* * So why do we need a separate stopped flag and a generation? * the former protects the device from issuing commands when it's * stopped (duh). The latter protects against race from a very * fast stop/unstop cycle where threads waiting for responses do * not have a chance to run in between. Notably: we want to stop * the device from interrupt context when it craps out, so we * don't have the luxury of waiting for quiescense. */ int sc_generation; struct iwm_fw_info sc_fw; struct iwm_tlv_calib_ctrl sc_default_calib[IWM_UCODE_TYPE_MAX]; const struct iwm_cfg *cfg; struct iwm_nvm_data *nvm_data; struct iwm_phy_db *sc_phy_db; struct iwm_bf_data sc_bf; int sc_tx_timer; int sc_scan_last_antenna; int sc_fixed_ridx; int sc_staid; int sc_nodecolor; uint8_t sc_cmd_resp[IWM_CMD_RESP_MAX]; int sc_wantresp; struct taskqueue *sc_tq; struct task sc_es_task; struct task sc_rftoggle_task; struct iwm_rx_phy_info sc_last_phy_info; int sc_ampdu_ref; struct iwm_int_sta sc_aux_sta; /* phy contexts. we only use the first one */ struct iwm_phy_ctxt sc_phyctxt[IWM_NUM_PHY_CTX]; struct iwm_notif_statistics_v10 sc_stats; int sc_noise; struct iwm_rx_radiotap_header sc_rxtap; struct iwm_tx_radiotap_header sc_txtap; int sc_max_rssi; struct iwm_notif_wait_data *sc_notif_wait; int cmd_hold_nic_awake; /* Firmware status */ uint32_t error_event_table[2]; uint32_t log_event_table; uint32_t umac_error_event_table; int support_umac_log; /* * Paging parameters - All of the parameters should be set by the * opmode when paging is enabled */ struct iwm_fw_paging fw_paging_db[IWM_NUM_OF_FW_PAGING_BLOCKS]; uint16_t num_of_paging_blk; uint16_t num_of_pages_in_last_blk; boolean_t last_ebs_successful; /* last smart fifo state that was successfully sent to firmware */ enum iwm_sf_state sf_state; /* Indicate if device power save is allowed */ boolean_t sc_ps_disabled; int sc_ltr_enabled; /* Track firmware state for STA association. */ int sc_firmware_state; /* Unique ID (assigned by the firmware) of the current Time Event. */ uint32_t sc_time_event_uid; /* Duration of the Time Event in TU. */ uint32_t sc_time_event_duration; /* Expected end of the Time Event in HZ ticks. */ int sc_time_event_end_ticks; }; #define IWM_LOCK_INIT(_sc) \ mtx_init(&(_sc)->sc_mtx, device_get_nameunit((_sc)->sc_dev), \ MTX_NETWORK_LOCK, MTX_DEF); #define IWM_LOCK(_sc) mtx_lock(&(_sc)->sc_mtx) #define IWM_UNLOCK(_sc) mtx_unlock(&(_sc)->sc_mtx) #define IWM_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->sc_mtx) static inline bool iwm_fw_has_api(struct iwm_softc *sc, unsigned int api) { return isset(sc->sc_fw.ucode_capa.enabled_api, api); } static inline bool iwm_fw_has_capa(struct iwm_softc *sc, unsigned int capa) { return isset(sc->sc_fw.ucode_capa.enabled_capa, capa); }