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https://github.com/freebsd/freebsd-src
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441 lines
11 KiB
C
441 lines
11 KiB
C
/* $OpenBSD: if_iwnvar.h,v 1.18 2010/04/30 16:06:46 damien Exp $ */
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/*-
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* Copyright (c) 2013 Cedric GROSS <cg@cgross.info>
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* Copyright (c) 2011 Intel Corporation
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* Copyright (c) 2007, 2008
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* Damien Bergamini <damien.bergamini@free.fr>
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* Copyright (c) 2008 Sam Leffler, Errno Consulting
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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enum iwn_rxon_ctx_id {
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IWN_RXON_BSS_CTX,
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IWN_RXON_PAN_CTX,
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IWN_NUM_RXON_CTX
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};
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struct iwn_pan_slot {
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uint16_t time;
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uint8_t type;
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uint8_t reserved;
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} __packed;
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struct iwn_pan_params_cmd {
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uint16_t flags;
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#define IWN_PAN_PARAMS_FLG_SLOTTED_MODE (1 << 3)
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uint8_t reserved;
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uint8_t num_slots;
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struct iwn_pan_slot slots[10];
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} __packed;
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struct iwn_led_mode
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{
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uint8_t led_cur_mode;
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uint64_t led_cur_bt;
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uint64_t led_last_bt;
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uint64_t led_cur_tpt;
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uint64_t led_last_tpt;
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uint64_t led_bt_diff;
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int led_cur_time;
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int led_last_time;
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};
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struct iwn_rx_radiotap_header {
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struct ieee80211_radiotap_header wr_ihdr;
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uint64_t wr_tsft;
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uint8_t wr_flags;
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uint8_t wr_rate;
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uint16_t wr_chan_freq;
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uint16_t wr_chan_flags;
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int8_t wr_dbm_antsignal;
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int8_t wr_dbm_antnoise;
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} __packed __aligned(8);
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#define IWN_RX_RADIOTAP_PRESENT \
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((1 << IEEE80211_RADIOTAP_TSFT) | \
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(1 << IEEE80211_RADIOTAP_FLAGS) | \
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(1 << IEEE80211_RADIOTAP_RATE) | \
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(1 << IEEE80211_RADIOTAP_CHANNEL) | \
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(1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) | \
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(1 << IEEE80211_RADIOTAP_DBM_ANTNOISE))
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struct iwn_tx_radiotap_header {
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struct ieee80211_radiotap_header wt_ihdr;
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uint8_t wt_flags;
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uint8_t wt_rate;
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uint16_t wt_chan_freq;
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uint16_t wt_chan_flags;
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} __packed;
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#define IWN_TX_RADIOTAP_PRESENT \
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((1 << IEEE80211_RADIOTAP_FLAGS) | \
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(1 << IEEE80211_RADIOTAP_RATE) | \
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(1 << IEEE80211_RADIOTAP_CHANNEL))
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struct iwn_dma_info {
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bus_dma_tag_t tag;
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bus_dmamap_t map;
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bus_dma_segment_t seg;
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bus_addr_t paddr;
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caddr_t vaddr;
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bus_size_t size;
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};
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struct iwn_tx_data {
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bus_dmamap_t map;
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bus_addr_t cmd_paddr;
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bus_addr_t scratch_paddr;
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struct mbuf *m;
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struct ieee80211_node *ni;
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unsigned int remapped:1;
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unsigned int long_retries:7;
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#define IWN_LONG_RETRY_FW_OVERFLOW 0x10
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#define IWN_LONG_RETRY_LIMIT_LOG 7
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#define IWN_LONG_RETRY_LIMIT ((1 << IWN_LONG_RETRY_LIMIT_LOG) - 3)
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};
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struct iwn_tx_ring {
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struct iwn_dma_info desc_dma;
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struct iwn_dma_info cmd_dma;
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struct iwn_tx_desc *desc;
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struct iwn_tx_cmd *cmd;
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struct iwn_tx_data data[IWN_TX_RING_COUNT];
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bus_dma_tag_t data_dmat;
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int qid;
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int queued;
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int cur;
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int read;
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};
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struct iwn_softc;
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struct iwn_rx_data {
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struct mbuf *m;
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bus_dmamap_t map;
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};
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struct iwn_rx_ring {
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struct iwn_dma_info desc_dma;
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struct iwn_dma_info stat_dma;
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uint32_t *desc;
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struct iwn_rx_status *stat;
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struct iwn_rx_data data[IWN_RX_RING_COUNT];
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bus_dma_tag_t data_dmat;
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int cur;
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};
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struct iwn_node {
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struct ieee80211_node ni; /* must be the first */
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uint16_t disable_tid;
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uint8_t id;
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struct {
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uint64_t bitmap;
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int short_retries;
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int startidx;
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} agg[IEEE80211_TID_SIZE];
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};
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struct iwn_calib_state {
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uint8_t state;
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#define IWN_CALIB_STATE_INIT 0
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#define IWN_CALIB_STATE_ASSOC 1
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#define IWN_CALIB_STATE_RUN 2
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u_int nbeacons;
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uint32_t noise[3];
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uint32_t rssi[3];
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uint32_t ofdm_x1;
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uint32_t ofdm_mrc_x1;
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uint32_t ofdm_x4;
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uint32_t ofdm_mrc_x4;
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uint32_t cck_x4;
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uint32_t cck_mrc_x4;
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uint32_t bad_plcp_ofdm;
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uint32_t fa_ofdm;
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uint32_t bad_plcp_cck;
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uint32_t fa_cck;
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uint32_t low_fa;
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uint32_t bad_plcp_ht;
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uint8_t cck_state;
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#define IWN_CCK_STATE_INIT 0
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#define IWN_CCK_STATE_LOFA 1
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#define IWN_CCK_STATE_HIFA 2
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uint8_t noise_samples[20];
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u_int cur_noise_sample;
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uint8_t noise_ref;
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uint32_t energy_samples[10];
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u_int cur_energy_sample;
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uint32_t energy_cck;
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};
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struct iwn_calib_info {
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uint8_t *buf;
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u_int len;
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};
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struct iwn_fw_part {
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const uint8_t *text;
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uint32_t textsz;
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const uint8_t *data;
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uint32_t datasz;
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};
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struct iwn_fw_info {
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const uint8_t *data;
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size_t size;
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struct iwn_fw_part init;
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struct iwn_fw_part main;
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struct iwn_fw_part boot;
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};
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struct iwn_ops {
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int (*load_firmware)(struct iwn_softc *);
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void (*read_eeprom)(struct iwn_softc *);
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int (*post_alive)(struct iwn_softc *);
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int (*nic_config)(struct iwn_softc *);
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void (*update_sched)(struct iwn_softc *, int, int, uint8_t,
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uint16_t);
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int (*get_temperature)(struct iwn_softc *);
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int (*get_rssi)(struct iwn_softc *, struct iwn_rx_stat *);
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int (*set_txpower)(struct iwn_softc *, int);
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int (*init_gains)(struct iwn_softc *);
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int (*set_gains)(struct iwn_softc *);
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int (*rxon_assoc)(struct iwn_softc *, int);
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int (*add_node)(struct iwn_softc *, struct iwn_node_info *,
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int);
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void (*tx_done)(struct iwn_softc *, struct iwn_rx_desc *,
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struct iwn_rx_data *);
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void (*ampdu_tx_start)(struct iwn_softc *,
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struct ieee80211_node *, int, uint8_t, uint16_t);
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void (*ampdu_tx_stop)(struct iwn_softc *, int, uint8_t,
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uint16_t);
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};
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struct iwn_vap {
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struct ieee80211vap iv_vap;
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uint8_t iv_ridx;
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int (*iv_newstate)(struct ieee80211vap *,
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enum ieee80211_state, int);
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int ctx;
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int beacon_int;
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};
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#define IWN_VAP(_vap) ((struct iwn_vap *)(_vap))
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struct iwn_softc {
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device_t sc_dev;
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int sc_debug;
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struct cdev *sc_cdev;
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struct mtx sc_mtx;
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struct ieee80211com sc_ic;
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struct ieee80211_ratectl_tx_status sc_txs;
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u_int sc_flags;
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#define IWN_FLAG_HAS_OTPROM (1 << 1)
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#define IWN_FLAG_CALIB_DONE (1 << 2)
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#define IWN_FLAG_USE_ICT (1 << 3)
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#define IWN_FLAG_INTERNAL_PA (1 << 4)
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#define IWN_FLAG_HAS_11N (1 << 6)
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#define IWN_FLAG_ENH_SENS (1 << 7)
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#define IWN_FLAG_ADV_BTCOEX (1 << 8)
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#define IWN_FLAG_PAN_SUPPORT (1 << 9)
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#define IWN_FLAG_BTCOEX (1 << 10)
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#define IWN_FLAG_RUNNING (1 << 11)
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uint8_t hw_type;
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/* subdevice_id used to adjust configuration */
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uint16_t subdevice_id;
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struct iwn_ops ops;
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const char *fwname;
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const struct iwn_sensitivity_limits
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*limits;
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int ntxqs;
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int firstaggqueue;
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int ndmachnls;
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uint8_t broadcast_id;
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int rxonsz;
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int schedsz;
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uint32_t fw_text_maxsz;
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uint32_t fw_data_maxsz;
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uint32_t fwsz;
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bus_size_t sched_txfact_addr;
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uint32_t reset_noise_gain;
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uint32_t noise_gain;
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/* TX scheduler rings. */
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struct iwn_dma_info sched_dma;
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uint16_t *sched;
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uint32_t sched_base;
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/* "Keep Warm" page. */
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struct iwn_dma_info kw_dma;
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/* Firmware image. */
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const struct firmware *fw_fp;
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/* Firmware DMA transfer. */
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struct iwn_dma_info fw_dma;
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/* ICT table. */
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struct iwn_dma_info ict_dma;
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uint32_t *ict;
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int ict_cur;
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/* TX/RX rings. */
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struct iwn_tx_ring txq[IWN5000_NTXQUEUES];
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struct iwn_rx_ring rxq;
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struct resource *mem;
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bus_space_tag_t sc_st;
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bus_space_handle_t sc_sh;
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struct resource *irq;
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void *sc_ih;
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bus_size_t sc_sz;
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int sc_cap_off; /* PCIe Capabilities. */
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/* Tasks used by the driver */
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struct task sc_rftoggle_task;
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struct task sc_panic_task;
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struct task sc_xmit_task;
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/* Taskqueue */
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struct taskqueue *sc_tq;
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/* Calibration information */
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struct callout calib_to;
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int calib_cnt;
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struct iwn_calib_state calib;
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int last_calib_ticks;
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struct callout scan_timeout;
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struct callout watchdog_to;
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struct iwn_fw_info fw;
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struct iwn_calib_info calibcmd[IWN5000_PHY_CALIB_MAX_RESULT];
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uint32_t errptr;
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struct iwn_rx_stat last_rx_stat;
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int last_rx_valid;
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struct iwn_ucode_info ucode_info;
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struct iwn_rxon rx_on[IWN_NUM_RXON_CTX];
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struct iwn_rxon *rxon;
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int ctx;
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struct ieee80211vap *ivap[IWN_NUM_RXON_CTX];
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/* General statistics */
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/*
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* The statistics are reset after each channel
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* change. So it may be zeroed after things like
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* a background scan.
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*
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* So for now, this is just a cheap hack to
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* expose the last received statistics dump
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* via an ioctl(). Later versions of this
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* could expose the last 'n' messages, or just
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* provide a pipeline for the firmware responses
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* via something like BPF.
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*/
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struct iwn_stats last_stat;
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int last_stat_valid;
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uint8_t uc_scan_progress;
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uint32_t rawtemp;
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int temp;
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int noise;
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uint32_t qfullmsk;
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uint32_t prom_base;
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struct iwn4965_eeprom_band
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bands[IWN_NBANDS];
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struct iwn_eeprom_chan eeprom_channels[IWN_NBANDS][IWN_MAX_CHAN_PER_BAND];
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uint16_t rfcfg;
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uint8_t calib_ver;
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char eeprom_domain[4];
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uint32_t eeprom_crystal;
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int16_t eeprom_temp;
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int16_t eeprom_temp_high;
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int16_t eeprom_voltage;
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int8_t maxpwr2GHz;
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int8_t maxpwr5GHz;
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int8_t maxpwr[IEEE80211_CHAN_MAX];
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uint32_t tlv_feature_flags;
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int32_t temp_off;
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uint32_t int_mask;
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uint8_t ntxchains;
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uint8_t nrxchains;
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uint8_t txchainmask;
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uint8_t rxchainmask;
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uint8_t chainmask;
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int sc_tx_timer;
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/* Are we doing a scan? */
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int sc_is_scanning;
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/* Are we waiting for a beacon before xmit? */
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int sc_beacon_wait;
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struct ieee80211_tx_ampdu *qid2tap[IWN5000_NTXQUEUES];
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int (*sc_ampdu_rx_start)(struct ieee80211_node *,
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struct ieee80211_rx_ampdu *, int, int, int);
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void (*sc_ampdu_rx_stop)(struct ieee80211_node *,
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struct ieee80211_rx_ampdu *);
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int (*sc_addba_request)(struct ieee80211_node *,
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struct ieee80211_tx_ampdu *, int, int, int);
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int (*sc_addba_response)(struct ieee80211_node *,
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struct ieee80211_tx_ampdu *, int, int, int);
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void (*sc_addba_stop)(struct ieee80211_node *,
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struct ieee80211_tx_ampdu *);
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struct iwn_led_mode sc_led;
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struct iwn_rx_radiotap_header sc_rxtap;
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struct iwn_tx_radiotap_header sc_txtap;
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/* The power save level originally configured by user */
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int desired_pwrsave_level;
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/*
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* The current power save level, this may differ from the
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* configured value due to thermal throttling etc.
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*/
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int current_pwrsave_level;
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/* For specific params */
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const struct iwn_base_params *base_params;
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#define IWN_UCODE_API(ver) (((ver) & 0x0000FF00) >> 8)
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uint32_t ucode_rev;
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/*
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* Global queue for queuing xmit frames
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* when we can't yet transmit (eg raw
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* frames whilst waiting for beacons.)
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*/
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struct mbufq sc_xmit_queue;
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};
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#define IWN_LOCK_INIT(_sc) \
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mtx_init(&(_sc)->sc_mtx, device_get_nameunit((_sc)->sc_dev), \
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MTX_NETWORK_LOCK, MTX_DEF)
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#define IWN_LOCK(_sc) mtx_lock(&(_sc)->sc_mtx)
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#define IWN_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->sc_mtx, MA_OWNED)
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#define IWN_UNLOCK(_sc) mtx_unlock(&(_sc)->sc_mtx)
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#define IWN_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->sc_mtx)
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