/* $FreeBSD$ */ /*- * Copyright (c) 2004, 2005 * Damien Bergamini . All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice unmodified, this list of conditions, and the following * disclaimer. * 2. 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. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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. */ struct iwi_rx_radiotap_header { struct ieee80211_radiotap_header wr_ihdr; uint8_t wr_flags; uint8_t wr_rate; uint16_t wr_chan_freq; uint16_t wr_chan_flags; uint8_t wr_antsignal; uint8_t wr_antenna; }; #define IWI_RX_RADIOTAP_PRESENT \ ((1 << IEEE80211_RADIOTAP_FLAGS) | \ (1 << IEEE80211_RADIOTAP_RATE) | \ (1 << IEEE80211_RADIOTAP_CHANNEL) | \ (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL) | \ (1 << IEEE80211_RADIOTAP_ANTENNA)) struct iwi_tx_radiotap_header { struct ieee80211_radiotap_header wt_ihdr; uint8_t wt_flags; uint16_t wt_chan_freq; uint16_t wt_chan_flags; }; #define IWI_TX_RADIOTAP_PRESENT \ ((1 << IEEE80211_RADIOTAP_FLAGS) | \ (1 << IEEE80211_RADIOTAP_CHANNEL)) struct iwi_cmd_ring { bus_dma_tag_t desc_dmat; bus_dmamap_t desc_map; bus_addr_t physaddr; struct iwi_cmd_desc *desc; int count; int queued; int cur; int next; }; struct iwi_tx_data { bus_dmamap_t map; struct mbuf *m; struct ieee80211_node *ni; }; struct iwi_tx_ring { bus_dma_tag_t desc_dmat; bus_dma_tag_t data_dmat; bus_dmamap_t desc_map; bus_addr_t physaddr; bus_addr_t csr_ridx; bus_addr_t csr_widx; struct iwi_tx_desc *desc; struct iwi_tx_data *data; int count; int queued; int cur; int next; }; struct iwi_rx_data { bus_dmamap_t map; bus_addr_t physaddr; uint32_t reg; struct mbuf *m; }; struct iwi_rx_ring { bus_dma_tag_t data_dmat; struct iwi_rx_data *data; int count; int cur; }; struct iwi_node { struct ieee80211_node in_node; int in_station; #define IWI_MAX_IBSSNODE 32 }; struct iwi_fw { const struct firmware *fp; /* image handle */ const char *data; /* firmware image data */ size_t size; /* firmware image size */ const char *name; /* associated image name */ }; struct iwi_softc { struct ifnet *sc_ifp; struct ieee80211com sc_ic; int (*sc_newstate)(struct ieee80211com *, enum ieee80211_state, int); void (*sc_node_free)(struct ieee80211_node *); device_t sc_dev; struct mtx sc_mtx; uint8_t sc_mcast[IEEE80211_ADDR_LEN]; struct unrhdr *sc_unr; struct taskqueue *sc_tq; /* private task queue */ #if __FreeBSD_version < 700000 struct proc *sc_tqproc; #endif uint32_t flags; #define IWI_FLAG_FW_INITED (1 << 0) #define IWI_FLAG_SCANNING (1 << 1) #define IWI_FLAG_FW_LOADING (1 << 2) #define IWI_FLAG_BUSY (1 << 3) /* busy sending a command */ #define IWI_FLAG_ASSOCIATED (1 << 4) /* currently associated */ struct iwi_cmd_ring cmdq; struct iwi_tx_ring txq[WME_NUM_AC]; struct iwi_rx_ring rxq; struct resource *irq; struct resource *mem; bus_space_tag_t sc_st; bus_space_handle_t sc_sh; void *sc_ih; int mem_rid; int irq_rid; int fw_dma_size; bus_dma_tag_t fw_dmat; bus_dmamap_t fw_map; bus_addr_t fw_physaddr; void *fw_virtaddr; enum ieee80211_opmode fw_mode; /* mode of current firmware */ struct iwi_fw fw_boot; /* boot firmware */ struct iwi_fw fw_uc; /* microcode */ struct iwi_fw fw_fw; /* operating mode support */ int curchan; /* current h/w channel # */ int antenna; int dwelltime; int bluetooth; struct iwi_associate assoc; struct iwi_wme_params wme[3]; struct task sc_radiontask; /* radio on processing */ struct task sc_radiofftask; /* radio off processing */ struct task sc_scanstarttask;/* scan start processing */ struct task sc_scanaborttask;/* scan abort processing */ struct task sc_scandonetask;/* scan completed processing */ struct task sc_scantask; /* scan channel processing */ struct task sc_setwmetask; /* set wme params processing */ struct task sc_downtask; /* disassociate processing */ struct task sc_restarttask; /* restart adapter processing */ unsigned int sc_softled : 1, /* enable LED gpio status */ sc_ledstate: 1, /* LED on/off state */ sc_blinking: 1; /* LED blink operation active */ u_int sc_nictype; /* NIC type from EEPROM */ u_int sc_ledpin; /* mask for activity LED */ u_int sc_ledidle; /* idle polling interval */ int sc_ledevent; /* time of last LED event */ u_int8_t sc_rxrate; /* current rx rate for LED */ u_int8_t sc_rxrix; u_int8_t sc_txrate; /* current tx rate for LED */ u_int8_t sc_txrix; u_int16_t sc_ledoff; /* off time for current blink */ struct callout sc_ledtimer; /* led off timer */ int sc_tx_timer; int sc_rfkill_timer;/* poll for rfkill change */ int sc_scan_timer; /* scan request timeout */ struct bpf_if *sc_drvbpf; union { struct iwi_rx_radiotap_header th; uint8_t pad[64]; } sc_rxtapu; #define sc_rxtap sc_rxtapu.th int sc_rxtap_len; union { struct iwi_tx_radiotap_header th; uint8_t pad[64]; } sc_txtapu; #define sc_txtap sc_txtapu.th int sc_txtap_len; }; /* * NB.: This models the only instance of async locking in iwi_init_locked * and must be kept in sync. */ #define IWI_LOCK_DECL int __waslocked = 0 #define IWI_LOCK(sc) do { \ if (!(__waslocked = mtx_owned(&(sc)->sc_mtx))) \ mtx_lock(&(sc)->sc_mtx); \ } while (0) #define IWI_UNLOCK(sc) do { \ if (!__waslocked) \ mtx_unlock(&(sc)->sc_mtx); \ } while (0)