/* $FreeBSD$ */ /*- * Copyright (c) 2007 * Damien Bergamini * Copyright (c) 2008 Sam Leffler, Errno Consulting * * 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 iwn_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 IWN_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 iwn_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 IWN_TX_RADIOTAP_PRESENT \ ((1 << IEEE80211_RADIOTAP_FLAGS) | \ (1 << IEEE80211_RADIOTAP_RATE) | \ (1 << IEEE80211_RADIOTAP_CHANNEL)) struct iwn_dma_info { bus_dma_tag_t tag; bus_dmamap_t map; bus_dma_segment_t seg; bus_addr_t paddr; caddr_t vaddr; bus_size_t size; }; struct iwn_tx_data { bus_dmamap_t map; struct mbuf *m; struct ieee80211_node *ni; }; struct iwn_tx_ring { struct iwn_dma_info desc_dma; struct iwn_dma_info cmd_dma; struct iwn_tx_desc *desc; struct iwn_tx_cmd *cmd; struct iwn_tx_data data[IWN_TX_RING_COUNT]; bus_dma_tag_t data_dmat; int qid; int queued; int cur; }; struct iwn_rx_data { bus_dmamap_t map; struct mbuf *m; }; struct iwn_rx_ring { struct iwn_dma_info desc_dma; uint32_t *desc; struct iwn_rx_data data[IWN_RX_RING_COUNT]; bus_dma_tag_t data_dmat; int cur; }; struct iwn_node { struct ieee80211_node ni; /* must be the first */ struct ieee80211_amrr_node amn; }; #define IWN_NODE(_ni) ((struct iwn_node *)(_ni)) struct iwn_calib_state { uint8_t state; #define IWN_CALIB_STATE_INIT 0 #define IWN_CALIB_STATE_ASSOC 1 #define IWN_CALIB_STATE_RUN 2 u_int nbeacons; uint32_t noise[3]; uint32_t rssi[3]; uint32_t corr_ofdm_x1; uint32_t corr_ofdm_mrc_x1; uint32_t corr_ofdm_x4; uint32_t corr_ofdm_mrc_x4; uint32_t corr_cck_x4; uint32_t corr_cck_mrc_x4; uint32_t bad_plcp_ofdm; uint32_t fa_ofdm; uint32_t bad_plcp_cck; uint32_t fa_cck; uint32_t low_fa; uint8_t cck_state; #define IWN_CCK_STATE_INIT 0 #define IWN_CCK_STATE_LOFA 1 #define IWN_CCK_STATE_HIFA 2 uint8_t noise_samples[20]; u_int cur_noise_sample; uint8_t noise_ref; uint32_t energy_samples[10]; u_int cur_energy_sample; uint32_t energy_cck; }; struct iwn_vap { struct ieee80211vap iv_vap; struct ieee80211_amrr iv_amrr; struct callout iv_amrr_to; int (*iv_newstate)(struct ieee80211vap *, enum ieee80211_state, int); }; #define IWN_VAP(_vap) ((struct iwn_vap *)(_vap)) struct iwn_softc { struct ifnet *sc_ifp; int sc_debug; struct callout sc_timer_to; /* calib+watchdog timer */ int sc_tx_timer; /* tx watchdog timer/counter */ const struct ieee80211_channel *sc_curchan; struct iwn_rx_radiotap_header sc_rxtap; struct iwn_tx_radiotap_header sc_txtap; /* locks */ struct mtx sc_mtx; /* bus */ device_t sc_dev; int mem_rid; int irq_rid; struct resource *mem; struct resource *irq; /* shared area */ struct iwn_dma_info shared_dma; struct iwn_shared *shared; /* "keep warm" page */ struct iwn_dma_info kw_dma; /* firmware image */ const struct firmware *fw_fp; /* firmware DMA transfer */ struct iwn_dma_info fw_dma; /* rings */ struct iwn_tx_ring txq[IWN_NTXQUEUES]; struct iwn_rx_ring rxq; bus_space_tag_t sc_st; bus_space_handle_t sc_sh; void *sc_ih; bus_size_t sc_sz; /* Tasks used by the driver */ struct task sc_reinit_task; struct task sc_radioon_task; struct task sc_radiooff_task; /* Thermal calibration */ int calib_cnt; struct iwn_calib_state calib; struct iwn_rx_stat last_rx_stat; int last_rx_valid; struct iwn_ucode_info ucode_info; struct iwn_config config; uint32_t rawtemp; int temp; int noise; uint8_t antmsk; struct iwn_eeprom_band bands[IWN_NBANDS]; int16_t eeprom_voltage; int8_t maxpwr2GHz; int8_t maxpwr5GHz; }; #define IWN_LOCK_INIT(_sc) \ mtx_init(&(_sc)->sc_mtx, device_get_nameunit((_sc)->sc_dev), \ MTX_NETWORK_LOCK, MTX_DEF) #define IWN_LOCK(_sc) mtx_lock(&(_sc)->sc_mtx) #define IWN_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->sc_mtx, MA_OWNED) #define IWN_UNLOCK(_sc) mtx_unlock(&(_sc)->sc_mtx) #define IWN_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->sc_mtx)