/* $OpenBSD: if_iwmvar.h,v 1.75 2022/01/09 05:42:52 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; #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_SECT_MAX 16 #define IWM_FWDMASEGSZ (192*1024) #define IWM_FWDMASEGSZ_8000 (320*1024) /* sanity check value */ #define IWM_FWMAXSIZE (2*1024*1024) /* * fw_status is used to determine if we've already parsed the firmware file * * In addition to the following, status < 0 ==> -error */ #define IWM_FW_STATUS_NONE 0 #define IWM_FW_STATUS_INPROGRESS 1 #define IWM_FW_STATUS_DONE 2 enum iwm_ucode_type { IWM_UCODE_TYPE_REGULAR, IWM_UCODE_TYPE_INIT, IWM_UCODE_TYPE_WOW, IWM_UCODE_TYPE_REGULAR_USNIFFER, IWM_UCODE_TYPE_MAX }; struct iwm_fw_info { void *fw_rawdata; size_t fw_rawsize; int fw_status; struct iwm_fw_sects { struct iwm_fw_onesect { void *fws_data; uint32_t fws_len; uint32_t fws_devoff; } fw_sect[IWM_UCODE_SECT_MAX]; size_t fw_totlen; int fw_count; uint32_t paging_mem_size; } fw_sects[IWM_UCODE_TYPE_MAX]; }; struct iwm_nvm_data { int n_hw_addrs; uint8_t hw_addr[ETHER_ADDR_LEN]; uint8_t calib_version; uint16_t calib_voltage; uint16_t raw_temperature; uint16_t kelvin_temperature; uint16_t kelvin_voltage; uint16_t xtal_calib[2]; 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; int sku_cap_mimo_disable; 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; uint16_t nvm_version; uint8_t max_tx_pwr_half_dbm; int lar_enabled; }; /* max bufs per tfd the driver will use */ #define IWM_MAX_CMD_TBS_PER_TFD 2 struct iwm_host_cmd { const void *data[IWM_MAX_CMD_TBS_PER_TFD]; struct iwm_rx_packet *resp_pkt; size_t resp_pkt_len; unsigned long _rx_page_addr; uint32_t _rx_page_order; int handler_status; uint32_t flags; uint16_t len[IWM_MAX_CMD_TBS_PER_TFD]; uint8_t dataflags[IWM_MAX_CMD_TBS_PER_TFD]; uint32_t id; }; /* * DMA glue is from iwn */ 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 /* For aggregation queues, index must be aligned to frame sequence number. */ #define IWM_AGG_SSN_TO_TXQ_IDX(x) ((x) & (IWM_TX_RING_COUNT - 1)) 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 txmcs; int txrate; /* A-MPDU subframes */ int ampdu_txmcs; int ampdu_nframes; }; 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; struct iwm_tx_data data[IWM_TX_RING_COUNT]; int qid; int queued; int cur; int tail; }; #define IWM_RX_MQ_RING_COUNT 512 #define IWM_RX_RING_COUNT 256 /* Linux driver optionally uses 8k buffer */ #define IWM_RBUF_SIZE 4096 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 stat_dma; struct iwm_dma_info used_desc_dma; struct iwm_dma_info buf_dma; void *desc; struct iwm_rb_status *stat; struct iwm_rx_data data[IWM_RX_MQ_RING_COUNT]; int cur; }; #define IWM_FLAG_USE_ICT 0x01 /* using Interrupt Cause Table */ #define IWM_FLAG_RFKILL 0x02 /* radio kill switch is set */ #define IWM_FLAG_SCANNING 0x04 /* scan in progress */ #define IWM_FLAG_MAC_ACTIVE 0x08 /* MAC context added to firmware */ #define IWM_FLAG_BINDING_ACTIVE 0x10 /* MAC->PHY binding added to firmware */ #define IWM_FLAG_STA_ACTIVE 0x20 /* AP added to firmware station table */ #define IWM_FLAG_TE_ACTIVE 0x40 /* time event is scheduled */ #define IWM_FLAG_HW_ERR 0x80 /* hardware error occurred */ #define IWM_FLAG_SHUTDOWN 0x100 /* shutting down; new tasks forbidden */ #define IWM_FLAG_BGSCAN 0x200 /* background scan in progress */ #define IWM_FLAG_TXFLUSH 0x400 /* Tx queue flushing in progress */ struct iwm_ucode_status { uint32_t uc_error_event_table; uint32_t uc_umac_error_event_table; uint32_t uc_log_event_table; int uc_ok; int uc_intr; }; #define IWM_CMD_RESP_MAX PAGE_SIZE /* lower blocks contain EEPROM image and calibration data */ #define IWM_OTP_LOW_IMAGE_SIZE_FAMILY_7000 16384 #define IWM_OTP_LOW_IMAGE_SIZE_FAMILY_8000 32768 #define IWM_TE_SESSION_PROTECTION_MAX_TIME_MS 1000 #define IWM_TE_SESSION_PROTECTION_MIN_TIME_MS 400 enum IWM_CMD_MODE { IWM_CMD_ASYNC = (1 << 0), IWM_CMD_WANT_RESP = (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), }; #define IWM_NUM_PAPD_CH_GROUPS 9 #define IWM_NUM_TXP_CH_GROUPS 9 struct iwm_phy_db_entry { uint16_t size; uint8_t *data; }; struct iwm_phy_db { struct iwm_phy_db_entry cfg; struct iwm_phy_db_entry calib_nch; struct iwm_phy_db_entry calib_ch_group_papd[IWM_NUM_PAPD_CH_GROUPS]; struct iwm_phy_db_entry calib_ch_group_txp[IWM_NUM_TXP_CH_GROUPS]; }; struct iwm_phy_ctxt { uint16_t id; uint16_t color; uint32_t ref; struct ieee80211_channel *channel; uint8_t sco; /* 40 MHz secondary channel offset */ }; struct iwm_bf_data { int bf_enabled; /* filtering */ int ba_enabled; /* abort */ int ave_beacon_signal; int last_cqm_event; }; /** * struct iwm_reorder_buffer - per ra/tid/queue reorder buffer * @head_sn: reorder window head sn * @num_stored: number of mpdus stored in the buffer * @buf_size: the reorder buffer size as set by the last addba request * @queue: queue of this reorder buffer * @last_amsdu: track last ASMDU SN for duplication detection * @last_sub_index: track ASMDU sub frame index for duplication detection * @reorder_timer: timer for frames are in the reorder buffer. For AMSDU * it is the time of last received sub-frame * @removed: prevent timer re-arming * @valid: reordering is valid for this queue * @consec_oldsn_drops: consecutive drops due to old SN * @consec_oldsn_ampdu_gp2: A-MPDU GP2 timestamp to track * when to apply old SN consecutive drop workaround * @consec_oldsn_prev_drop: track whether or not an MPDU * that was single/part of the previous A-MPDU was * dropped due to old SN */ struct iwm_reorder_buffer { uint16_t head_sn; uint16_t num_stored; uint16_t buf_size; uint16_t last_amsdu; uint8_t last_sub_index; struct timeout reorder_timer; int removed; int valid; unsigned int consec_oldsn_drops; uint32_t consec_oldsn_ampdu_gp2; unsigned int consec_oldsn_prev_drop; #define IWM_AMPDU_CONSEC_DROPS_DELBA 10 }; /** * struct iwm_reorder_buf_entry - reorder buffer entry per frame sequence number * @frames: list of mbufs stored (A-MSDU subframes share a sequence number) * @reorder_time: time the packet was stored in the reorder buffer */ struct iwm_reorder_buf_entry { struct mbuf_list frames; struct timeval reorder_time; uint32_t rx_pkt_status; int chanidx; int is_shortpre; uint32_t rate_n_flags; uint32_t device_timestamp; struct ieee80211_rxinfo rxi; }; /** * struct iwm_rxba_data - BA session data * @sta_id: station id * @tid: tid of the session * @baid: baid of the session * @timeout: the timeout set in the addba request * @entries_per_queue: # of buffers per queue * @last_rx: last rx timestamp, updated only if timeout passed from last update * @session_timer: timer to check if BA session expired, runs at 2 * timeout * @sc: softc pointer, needed for timer context * @reorder_buf: reorder buffer * @reorder_buf_data: buffered frames, one entry per sequence number */ struct iwm_rxba_data { uint8_t sta_id; uint8_t tid; uint8_t baid; uint16_t timeout; uint16_t entries_per_queue; struct timeval last_rx; struct timeout session_timer; struct iwm_softc *sc; struct iwm_reorder_buffer reorder_buf; struct iwm_reorder_buf_entry entries[IEEE80211_BA_MAX_WINSZ]; }; static inline struct iwm_rxba_data * iwm_rxba_data_from_reorder_buf(struct iwm_reorder_buffer *buf) { return (void *)((uint8_t *)buf - offsetof(struct iwm_rxba_data, reorder_buf)); } /** * struct iwm_rxq_dup_data - per station per rx queue data * @last_seq: last sequence per tid for duplicate packet detection * @last_sub_frame: last subframe packet */ struct iwm_rxq_dup_data { uint16_t last_seq[IWM_MAX_TID_COUNT + 1]; uint8_t last_sub_frame[IWM_MAX_TID_COUNT + 1]; }; struct iwm_ba_task_data { uint32_t start_tidmask; uint32_t stop_tidmask; }; struct iwm_softc { struct device sc_dev; struct ieee80211com sc_ic; int (*sc_newstate)(struct ieee80211com *, enum ieee80211_state, int); int sc_newstate_pending; struct ieee80211_amrr sc_amrr; struct timeout sc_calib_to; struct timeout sc_led_blink_to; struct task init_task; /* NB: not reference-counted */ struct refcnt task_refs; struct task newstate_task; enum ieee80211_state ns_nstate; int ns_arg; /* Task for firmware BlockAck setup/teardown and its arguments. */ struct task ba_task; struct iwm_ba_task_data ba_rx; struct iwm_ba_task_data ba_tx; /* Task for ERP/HT prot/slot-time/EDCA updates. */ struct task mac_ctxt_task; /* Task for HT 20/40 MHz channel width updates. */ struct task phy_ctxt_task; bus_space_tag_t sc_st; bus_space_handle_t sc_sh; bus_size_t sc_sz; bus_dma_tag_t sc_dmat; pci_chipset_tag_t sc_pct; pcitag_t sc_pcitag; const void *sc_ih; int sc_msix; /* TX scheduler rings. */ struct iwm_dma_info sched_dma; uint32_t sched_base; /* TX/RX rings. */ struct iwm_tx_ring txq[IWM_MAX_QUEUES]; struct iwm_rx_ring rxq; int qfullmsk; int qenablemsk; int cmdqid; int sc_sf_state; /* ICT table. */ struct iwm_dma_info ict_dma; int ict_cur; int sc_hw_rev; #define IWM_SILICON_A_STEP 0 #define IWM_SILICON_B_STEP 1 #define IWM_SILICON_C_STEP 2 #define IWM_SILICON_D_STEP 3 int sc_hw_id; int sc_device_family; #define IWM_DEVICE_FAMILY_7000 1 #define IWM_DEVICE_FAMILY_8000 2 #define IWM_DEVICE_FAMILY_9000 3 struct iwm_dma_info kw_dma; struct iwm_dma_info fw_dma; int sc_fw_chunk_done; int sc_init_complete; #define IWM_INIT_COMPLETE 0x01 #define IWM_CALIB_COMPLETE 0x02 struct iwm_ucode_status sc_uc; enum iwm_ucode_type sc_uc_current; char sc_fwver[32]; int sc_capaflags; int sc_capa_max_probe_len; int sc_capa_n_scan_channels; uint8_t sc_ucode_api[howmany(IWM_NUM_UCODE_TLV_API, NBBY)]; uint8_t sc_enabled_capa[howmany(IWM_NUM_UCODE_TLV_CAPA, NBBY)]; #define IWM_MAX_FW_CMD_VERSIONS 64 struct iwm_fw_cmd_version cmd_versions[IWM_MAX_FW_CMD_VERSIONS]; int n_cmd_versions; int sc_intmask; int sc_flags; uint32_t sc_fh_init_mask; uint32_t sc_hw_init_mask; uint32_t sc_fh_mask; uint32_t sc_hw_mask; /* * 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 quiescence. */ int sc_generation; struct rwlock ioctl_rwl; int sc_cap_off; /* PCIe caps */ const char *sc_fwname; bus_size_t sc_fwdmasegsz; size_t sc_nvm_max_section_size; struct iwm_fw_info sc_fw; uint32_t sc_fw_phy_config; uint32_t sc_extra_phy_config; struct iwm_tlv_calib_ctrl sc_default_calib[IWM_UCODE_TYPE_MAX]; struct iwm_nvm_data sc_nvm; struct iwm_phy_db sc_phy_db; struct iwm_bf_data sc_bf; int sc_tx_timer[IWM_MAX_QUEUES]; int sc_rx_ba_sessions; int tx_ba_queue_mask; struct task bgscan_done_task; struct ieee80211_node_switch_bss_arg *bgscan_unref_arg; size_t bgscan_unref_arg_size; int sc_scan_last_antenna; int sc_fixed_ridx; int sc_staid; int sc_nodecolor; uint8_t *sc_cmd_resp_pkt[IWM_TX_RING_COUNT]; size_t sc_cmd_resp_len[IWM_TX_RING_COUNT]; int sc_nic_locks; struct taskq *sc_nswq; struct iwm_rx_phy_info sc_last_phy_info; int sc_ampdu_ref; #define IWM_MAX_BAID 32 struct iwm_rxba_data sc_rxba_data[IWM_MAX_BAID]; uint32_t sc_time_event_uid; /* phy contexts. we only use the first one */ struct iwm_phy_ctxt sc_phyctxt[IWM_NUM_PHY_CTX]; struct iwm_notif_statistics sc_stats; int sc_noise; int host_interrupt_operation_mode; int sc_ltr_enabled; enum iwm_nvm_type nvm_type; int sc_mqrx_supported; int sc_integrated; int sc_ltr_delay; int sc_xtal_latency; int sc_low_latency_xtal; /* * 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; #if NBPFILTER > 0 caddr_t sc_drvbpf; union { struct iwm_rx_radiotap_header th; uint8_t pad[IEEE80211_RADIOTAP_HDRLEN]; } sc_rxtapu; #define sc_rxtap sc_rxtapu.th int sc_rxtap_len; union { struct iwm_tx_radiotap_header th; uint8_t pad[IEEE80211_RADIOTAP_HDRLEN]; } sc_txtapu; #define sc_txtap sc_txtapu.th int sc_txtap_len; #endif }; struct iwm_node { struct ieee80211_node in_ni; struct iwm_phy_ctxt *in_phyctxt; uint8_t in_macaddr[ETHER_ADDR_LEN]; uint16_t in_id; uint16_t in_color; struct ieee80211_amrr_node in_amn; struct ieee80211_ra_node in_rn; int lq_rate_mismatch; struct iwm_rxq_dup_data dup_data; /* For use with the ADD_STA command. */ uint32_t tfd_queue_msk; uint16_t tid_disable_ampdu; }; #define IWM_STATION_ID 0 #define IWM_AUX_STA_ID 1 #define IWM_MONITOR_STA_ID 2 #define IWM_ICT_SIZE 4096 #define IWM_ICT_COUNT (IWM_ICT_SIZE / sizeof (uint32_t)) #define IWM_ICT_PADDR_SHIFT 12