The Design and Implementation of the FreeBSD Operating System, Second Edition
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sys/dev/ath/if_athvar.h

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    1 /*-
    2  * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer,
   10  *    without modification.
   11  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
   12  *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
   13  *    redistribution must be conditioned upon including a substantially
   14  *    similar Disclaimer requirement for further binary redistribution.
   15  *
   16  * NO WARRANTY
   17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   18  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   19  * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
   20  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
   21  * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
   22  * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   23  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   24  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
   25  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   26  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
   27  * THE POSSIBILITY OF SUCH DAMAGES.
   28  *
   29  * $FreeBSD: releng/11.2/sys/dev/ath/if_athvar.h 331722 2018-03-29 02:50:57Z eadler $
   30  */
   31 
   32 /*
   33  * Defintions for the Atheros Wireless LAN controller driver.
   34  */
   35 #ifndef _DEV_ATH_ATHVAR_H
   36 #define _DEV_ATH_ATHVAR_H
   37 
   38 #include <machine/atomic.h>
   39 
   40 #include <dev/ath/ath_hal/ah.h>
   41 #include <dev/ath/ath_hal/ah_desc.h>
   42 #include <net80211/ieee80211_radiotap.h>
   43 #include <dev/ath/if_athioctl.h>
   44 #include <dev/ath/if_athrate.h>
   45 #ifdef  ATH_DEBUG_ALQ
   46 #include <dev/ath/if_ath_alq.h>
   47 #endif
   48 
   49 #define ATH_TIMEOUT             1000
   50 
   51 /*
   52  * There is a separate TX ath_buf pool for management frames.
   53  * This ensures that management frames such as probe responses
   54  * and BAR frames can be transmitted during periods of high
   55  * TX activity.
   56  */
   57 #define ATH_MGMT_TXBUF          32
   58 
   59 /*
   60  * 802.11n requires more TX and RX buffers to do AMPDU.
   61  */
   62 #ifdef  ATH_ENABLE_11N
   63 #define ATH_TXBUF       512
   64 #define ATH_RXBUF       512
   65 #endif
   66 
   67 #ifndef ATH_RXBUF
   68 #define ATH_RXBUF       40              /* number of RX buffers */
   69 #endif
   70 #ifndef ATH_TXBUF
   71 #define ATH_TXBUF       200             /* number of TX buffers */
   72 #endif
   73 #define ATH_BCBUF       4               /* number of beacon buffers */
   74 
   75 #define ATH_TXDESC      10              /* number of descriptors per buffer */
   76 #define ATH_TXMAXTRY    11              /* max number of transmit attempts */
   77 #define ATH_TXMGTTRY    4               /* xmit attempts for mgt/ctl frames */
   78 #define ATH_TXINTR_PERIOD 5             /* max number of batched tx descriptors */
   79 
   80 #define ATH_BEACON_AIFS_DEFAULT  1      /* default aifs for ap beacon q */
   81 #define ATH_BEACON_CWMIN_DEFAULT 0      /* default cwmin for ap beacon q */
   82 #define ATH_BEACON_CWMAX_DEFAULT 0      /* default cwmax for ap beacon q */
   83 
   84 /*
   85  * The following bits can be set during the PCI (and perhaps non-PCI
   86  * later) device probe path.
   87  *
   88  * It controls some of the driver and HAL behaviour.
   89  */
   90 
   91 #define ATH_PCI_CUS198          0x0001
   92 #define ATH_PCI_CUS230          0x0002
   93 #define ATH_PCI_CUS217          0x0004
   94 #define ATH_PCI_CUS252          0x0008
   95 #define ATH_PCI_WOW             0x0010
   96 #define ATH_PCI_BT_ANT_DIV      0x0020
   97 #define ATH_PCI_D3_L1_WAR       0x0040
   98 #define ATH_PCI_AR9565_1ANT     0x0080
   99 #define ATH_PCI_AR9565_2ANT     0x0100
  100 #define ATH_PCI_NO_PLL_PWRSAVE  0x0200
  101 #define ATH_PCI_KILLER          0x0400
  102 
  103 /*
  104  * The key cache is used for h/w cipher state and also for
  105  * tracking station state such as the current tx antenna.
  106  * We also setup a mapping table between key cache slot indices
  107  * and station state to short-circuit node lookups on rx.
  108  * Different parts have different size key caches.  We handle
  109  * up to ATH_KEYMAX entries (could dynamically allocate state).
  110  */
  111 #define ATH_KEYMAX      128             /* max key cache size we handle */
  112 #define ATH_KEYBYTES    (ATH_KEYMAX/NBBY)       /* storage space in bytes */
  113 
  114 struct taskqueue;
  115 struct kthread;
  116 struct ath_buf;
  117 
  118 #define ATH_TID_MAX_BUFS        (2 * IEEE80211_AGGR_BAWMAX)
  119 
  120 /*
  121  * Per-TID state
  122  *
  123  * Note that TID 16 (WME_NUM_TID+1) is for handling non-QoS frames.
  124  */
  125 struct ath_tid {
  126         TAILQ_HEAD(,ath_buf)    tid_q;          /* pending buffers */
  127         struct ath_node         *an;            /* pointer to parent */
  128         int                     tid;            /* tid */
  129         int                     ac;             /* which AC gets this traffic */
  130         int                     hwq_depth;      /* how many buffers are on HW */
  131         u_int                   axq_depth;      /* SW queue depth */
  132 
  133         struct {
  134                 TAILQ_HEAD(,ath_buf)    tid_q;          /* filtered queue */
  135                 u_int                   axq_depth;      /* SW queue depth */
  136         } filtq;
  137 
  138         /*
  139          * Entry on the ath_txq; when there's traffic
  140          * to send
  141          */
  142         TAILQ_ENTRY(ath_tid)    axq_qelem;
  143         int                     sched;
  144         int                     paused; /* >0 if the TID has been paused */
  145 
  146         /*
  147          * These are flags - perhaps later collapse
  148          * down to a single uint32_t ?
  149          */
  150         int                     addba_tx_pending;       /* TX ADDBA pending */
  151         int                     bar_wait;       /* waiting for BAR */
  152         int                     bar_tx;         /* BAR TXed */
  153         int                     isfiltered;     /* is this node currently filtered */
  154 
  155         /*
  156          * Is the TID being cleaned up after a transition
  157          * from aggregation to non-aggregation?
  158          * When this is set to 1, this TID will be paused
  159          * and no further traffic will be queued until all
  160          * the hardware packets pending for this TID have been
  161          * TXed/completed; at which point (non-aggregation)
  162          * traffic will resume being TXed.
  163          */
  164         int                     cleanup_inprogress;
  165         /*
  166          * How many hardware-queued packets are
  167          * waiting to be cleaned up.
  168          * This is only valid if cleanup_inprogress is 1.
  169          */
  170         int                     incomp;
  171 
  172         /*
  173          * The following implements a ring representing
  174          * the frames in the current BAW.
  175          * To avoid copying the array content each time
  176          * the BAW is moved, the baw_head/baw_tail point
  177          * to the current BAW begin/end; when the BAW is
  178          * shifted the head/tail of the array are also
  179          * appropriately shifted.
  180          */
  181         /* active tx buffers, beginning at current BAW */
  182         struct ath_buf          *tx_buf[ATH_TID_MAX_BUFS];
  183         /* where the baw head is in the array */
  184         int                     baw_head;
  185         /* where the BAW tail is in the array */
  186         int                     baw_tail;
  187 };
  188 
  189 /* driver-specific node state */
  190 struct ath_node {
  191         struct ieee80211_node an_node;  /* base class */
  192         u_int8_t        an_mgmtrix;     /* min h/w rate index */
  193         u_int8_t        an_mcastrix;    /* mcast h/w rate index */
  194         uint32_t        an_is_powersave;        /* node is sleeping */
  195         uint32_t        an_stack_psq;           /* net80211 psq isn't empty */
  196         uint32_t        an_tim_set;             /* TIM has been set */
  197         struct ath_buf  *an_ff_buf[WME_NUM_AC]; /* ff staging area */
  198         struct ath_tid  an_tid[IEEE80211_TID_SIZE];     /* per-TID state */
  199         char            an_name[32];    /* eg "wlan0_a1" */
  200         struct mtx      an_mtx;         /* protecting the rate control state */
  201         uint32_t        an_swq_depth;   /* how many SWQ packets for this
  202                                            node */
  203         int                     clrdmask;       /* has clrdmask been set */
  204         uint32_t        an_leak_count;  /* How many frames to leak during pause */
  205         /* variable-length rate control state follows */
  206 };
  207 #define ATH_NODE(ni)    ((struct ath_node *)(ni))
  208 #define ATH_NODE_CONST(ni)      ((const struct ath_node *)(ni))
  209 
  210 #define ATH_RSSI_LPF_LEN        10
  211 #define ATH_RSSI_DUMMY_MARKER   0x127
  212 #define ATH_EP_MUL(x, mul)      ((x) * (mul))
  213 #define ATH_RSSI_IN(x)          (ATH_EP_MUL((x), HAL_RSSI_EP_MULTIPLIER))
  214 #define ATH_LPF_RSSI(x, y, len) \
  215     ((x != ATH_RSSI_DUMMY_MARKER) ? (((x) * ((len) - 1) + (y)) / (len)) : (y))
  216 #define ATH_RSSI_LPF(x, y) do {                                         \
  217     if ((y) >= -20)                                                     \
  218         x = ATH_LPF_RSSI((x), ATH_RSSI_IN((y)), ATH_RSSI_LPF_LEN);      \
  219 } while (0)
  220 #define ATH_EP_RND(x,mul) \
  221         ((((x)%(mul)) >= ((mul)/2)) ? ((x) + ((mul) - 1)) / (mul) : (x)/(mul))
  222 #define ATH_RSSI(x)             ATH_EP_RND(x, HAL_RSSI_EP_MULTIPLIER)
  223 
  224 typedef enum {
  225         ATH_BUFTYPE_NORMAL      = 0,
  226         ATH_BUFTYPE_MGMT        = 1,
  227 } ath_buf_type_t;
  228 
  229 struct ath_buf {
  230         TAILQ_ENTRY(ath_buf)    bf_list;
  231         struct ath_buf *        bf_next;        /* next buffer in the aggregate */
  232         int                     bf_nseg;
  233         HAL_STATUS              bf_rxstatus;
  234         uint16_t                bf_flags;       /* status flags (below) */
  235         uint16_t                bf_descid;      /* 16 bit descriptor ID */
  236         struct ath_desc         *bf_desc;       /* virtual addr of desc */
  237         struct ath_desc_status  bf_status;      /* tx/rx status */
  238         bus_addr_t              bf_daddr;       /* physical addr of desc */
  239         bus_dmamap_t            bf_dmamap;      /* DMA map for mbuf chain */
  240         struct mbuf             *bf_m;          /* mbuf for buf */
  241         struct ieee80211_node   *bf_node;       /* pointer to the node */
  242         struct ath_desc         *bf_lastds;     /* last descriptor for comp status */
  243         struct ath_buf          *bf_last;       /* last buffer in aggregate, or self for non-aggregate */
  244         bus_size_t              bf_mapsize;
  245 #define ATH_MAX_SCATTER         ATH_TXDESC      /* max(tx,rx,beacon) desc's */
  246         bus_dma_segment_t       bf_segs[ATH_MAX_SCATTER];
  247         uint32_t                bf_nextfraglen; /* length of next fragment */
  248 
  249         /* Completion function to call on TX complete (fail or not) */
  250         /*
  251          * "fail" here is set to 1 if the queue entries were removed
  252          * through a call to ath_tx_draintxq().
  253          */
  254         void(* bf_comp) (struct ath_softc *sc, struct ath_buf *bf, int fail);
  255 
  256         /* This state is kept to support software retries and aggregation */
  257         struct {
  258                 uint16_t bfs_seqno;     /* sequence number of this packet */
  259                 uint16_t bfs_ndelim;    /* number of delims for padding */
  260 
  261                 uint8_t bfs_retries;    /* retry count */
  262                 uint8_t bfs_tid;        /* packet TID (or TID_MAX for no QoS) */
  263                 uint8_t bfs_nframes;    /* number of frames in aggregate */
  264                 uint8_t bfs_pri;        /* packet AC priority */
  265                 uint8_t bfs_tx_queue;   /* destination hardware TX queue */
  266 
  267                 u_int32_t bfs_aggr:1,           /* part of aggregate? */
  268                     bfs_aggrburst:1,    /* part of aggregate burst? */
  269                     bfs_isretried:1,    /* retried frame? */
  270                     bfs_dobaw:1,        /* actually check against BAW? */
  271                     bfs_addedbaw:1,     /* has been added to the BAW */
  272                     bfs_shpream:1,      /* use short preamble */
  273                     bfs_istxfrag:1,     /* is fragmented */
  274                     bfs_ismrr:1,        /* do multi-rate TX retry */
  275                     bfs_doprot:1,       /* do RTS/CTS based protection */
  276                     bfs_doratelookup:1; /* do rate lookup before each TX */
  277 
  278                 /*
  279                  * These fields are passed into the
  280                  * descriptor setup functions.
  281                  */
  282 
  283                 /* Make this an 8 bit value? */
  284                 HAL_PKT_TYPE bfs_atype; /* packet type */
  285 
  286                 uint32_t bfs_pktlen;    /* length of this packet */
  287 
  288                 uint16_t bfs_hdrlen;    /* length of this packet header */
  289                 uint16_t bfs_al;        /* length of aggregate */
  290 
  291                 uint16_t bfs_txflags;   /* HAL (tx) descriptor flags */
  292                 uint8_t bfs_txrate0;    /* first TX rate */
  293                 uint8_t bfs_try0;               /* first try count */
  294 
  295                 uint16_t bfs_txpower;   /* tx power */
  296                 uint8_t bfs_ctsrate0;   /* Non-zero - use this as ctsrate */
  297                 uint8_t bfs_ctsrate;    /* CTS rate */
  298 
  299                 /* 16 bit? */
  300                 int32_t bfs_keyix;              /* crypto key index */
  301                 int32_t bfs_txantenna;  /* TX antenna config */
  302 
  303                 /* Make this an 8 bit value? */
  304                 enum ieee80211_protmode bfs_protmode;
  305 
  306                 /* 16 bit? */
  307                 uint32_t bfs_ctsduration;       /* CTS duration (pre-11n NICs) */
  308                 struct ath_rc_series bfs_rc[ATH_RC_NUM];        /* non-11n TX series */
  309         } bf_state;
  310 };
  311 typedef TAILQ_HEAD(ath_bufhead_s, ath_buf) ath_bufhead;
  312 
  313 #define ATH_BUF_MGMT    0x00000001      /* (tx) desc is a mgmt desc */
  314 #define ATH_BUF_BUSY    0x00000002      /* (tx) desc owned by h/w */
  315 #define ATH_BUF_FIFOEND 0x00000004
  316 #define ATH_BUF_FIFOPTR 0x00000008
  317 
  318 #define ATH_BUF_FLAGS_CLONE     (ATH_BUF_MGMT)
  319 
  320 /*
  321  * DMA state for tx/rx descriptors.
  322  */
  323 struct ath_descdma {
  324         const char*             dd_name;
  325         struct ath_desc         *dd_desc;       /* descriptors */
  326         int                     dd_descsize;    /* size of single descriptor */
  327         bus_addr_t              dd_desc_paddr;  /* physical addr of dd_desc */
  328         bus_size_t              dd_desc_len;    /* size of dd_desc */
  329         bus_dma_segment_t       dd_dseg;
  330         bus_dma_tag_t           dd_dmat;        /* bus DMA tag */
  331         bus_dmamap_t            dd_dmamap;      /* DMA map for descriptors */
  332         struct ath_buf          *dd_bufptr;     /* associated buffers */
  333 };
  334 
  335 /*
  336  * Data transmit queue state.  One of these exists for each
  337  * hardware transmit queue.  Packets sent to us from above
  338  * are assigned to queues based on their priority.  Not all
  339  * devices support a complete set of hardware transmit queues.
  340  * For those devices the array sc_ac2q will map multiple
  341  * priorities to fewer hardware queues (typically all to one
  342  * hardware queue).
  343  */
  344 struct ath_txq {
  345         struct ath_softc        *axq_softc;     /* Needed for scheduling */
  346         u_int                   axq_qnum;       /* hardware q number */
  347 #define ATH_TXQ_SWQ     (HAL_NUM_TX_QUEUES+1)   /* qnum for s/w only queue */
  348         u_int                   axq_ac;         /* WME AC */
  349         u_int                   axq_flags;
  350 //#define       ATH_TXQ_PUTPENDING      0x0001          /* ath_hal_puttxbuf pending */
  351 #define ATH_TXQ_PUTRUNNING      0x0002          /* ath_hal_puttxbuf has been called */
  352         u_int                   axq_depth;      /* queue depth (stat only) */
  353         u_int                   axq_aggr_depth; /* how many aggregates are queued */
  354         u_int                   axq_intrcnt;    /* interrupt count */
  355         u_int32_t               *axq_link;      /* link ptr in last TX desc */
  356         TAILQ_HEAD(axq_q_s, ath_buf)    axq_q;          /* transmit queue */
  357         struct mtx              axq_lock;       /* lock on q and link */
  358 
  359         /*
  360          * This is the FIFO staging buffer when doing EDMA.
  361          *
  362          * For legacy chips, we just push the head pointer to
  363          * the hardware and we ignore this list.
  364          *
  365          * For EDMA, the staging buffer is treated as normal;
  366          * when it's time to push a list of frames to the hardware
  367          * we move that list here and we stamp buffers with
  368          * flags to identify the beginning/end of that particular
  369          * FIFO entry.
  370          */
  371         struct {
  372                 TAILQ_HEAD(axq_q_f_s, ath_buf)  axq_q;
  373                 u_int                           axq_depth;      /* how many frames (1 per legacy, 1 per A-MPDU list) are in the FIFO queue */
  374         } fifo;
  375         u_int                   axq_fifo_depth; /* how many FIFO slots are active */
  376 
  377         /*
  378          * XXX the holdingbf field is protected by the TXBUF lock
  379          * for now, NOT the TXQ lock.
  380          *
  381          * Architecturally, it would likely be better to move
  382          * the holdingbf field to a separate array in ath_softc
  383          * just to highlight that it's not protected by the normal
  384          * TX path lock.
  385          */
  386         struct ath_buf          *axq_holdingbf; /* holding TX buffer */
  387         char                    axq_name[12];   /* e.g. "ath0_txq4" */
  388 
  389         /* Per-TID traffic queue for software -> hardware TX */
  390         /*
  391          * This is protected by the general TX path lock, not (for now)
  392          * by the TXQ lock.
  393          */
  394         TAILQ_HEAD(axq_t_s,ath_tid)     axq_tidq;
  395 };
  396 
  397 #define ATH_TXQ_LOCK_INIT(_sc, _tq) do { \
  398             snprintf((_tq)->axq_name, sizeof((_tq)->axq_name), "%s_txq%u", \
  399               device_get_nameunit((_sc)->sc_dev), (_tq)->axq_qnum); \
  400             mtx_init(&(_tq)->axq_lock, (_tq)->axq_name, NULL, MTX_DEF); \
  401         } while (0)
  402 #define ATH_TXQ_LOCK_DESTROY(_tq)       mtx_destroy(&(_tq)->axq_lock)
  403 #define ATH_TXQ_LOCK(_tq)               mtx_lock(&(_tq)->axq_lock)
  404 #define ATH_TXQ_UNLOCK(_tq)             mtx_unlock(&(_tq)->axq_lock)
  405 #define ATH_TXQ_LOCK_ASSERT(_tq)        mtx_assert(&(_tq)->axq_lock, MA_OWNED)
  406 #define ATH_TXQ_UNLOCK_ASSERT(_tq)      mtx_assert(&(_tq)->axq_lock,    \
  407                                             MA_NOTOWNED)
  408 
  409 
  410 #define ATH_NODE_LOCK(_an)              mtx_lock(&(_an)->an_mtx)
  411 #define ATH_NODE_UNLOCK(_an)            mtx_unlock(&(_an)->an_mtx)
  412 #define ATH_NODE_LOCK_ASSERT(_an)       mtx_assert(&(_an)->an_mtx, MA_OWNED)
  413 #define ATH_NODE_UNLOCK_ASSERT(_an)     mtx_assert(&(_an)->an_mtx,      \
  414                                             MA_NOTOWNED)
  415 
  416 /*
  417  * These are for the hardware queue.
  418  */
  419 #define ATH_TXQ_INSERT_HEAD(_tq, _elm, _field) do { \
  420         TAILQ_INSERT_HEAD(&(_tq)->axq_q, (_elm), _field); \
  421         (_tq)->axq_depth++; \
  422 } while (0)
  423 #define ATH_TXQ_INSERT_TAIL(_tq, _elm, _field) do { \
  424         TAILQ_INSERT_TAIL(&(_tq)->axq_q, (_elm), _field); \
  425         (_tq)->axq_depth++; \
  426 } while (0)
  427 #define ATH_TXQ_REMOVE(_tq, _elm, _field) do { \
  428         TAILQ_REMOVE(&(_tq)->axq_q, _elm, _field); \
  429         (_tq)->axq_depth--; \
  430 } while (0)
  431 #define ATH_TXQ_FIRST(_tq)              TAILQ_FIRST(&(_tq)->axq_q)
  432 #define ATH_TXQ_LAST(_tq, _field)       TAILQ_LAST(&(_tq)->axq_q, _field)
  433 
  434 /*
  435  * These are for the TID software queue.
  436  */
  437 #define ATH_TID_INSERT_HEAD(_tq, _elm, _field) do { \
  438         TAILQ_INSERT_HEAD(&(_tq)->tid_q, (_elm), _field); \
  439         (_tq)->axq_depth++; \
  440         (_tq)->an->an_swq_depth++; \
  441 } while (0)
  442 #define ATH_TID_INSERT_TAIL(_tq, _elm, _field) do { \
  443         TAILQ_INSERT_TAIL(&(_tq)->tid_q, (_elm), _field); \
  444         (_tq)->axq_depth++; \
  445         (_tq)->an->an_swq_depth++; \
  446 } while (0)
  447 #define ATH_TID_REMOVE(_tq, _elm, _field) do { \
  448         TAILQ_REMOVE(&(_tq)->tid_q, _elm, _field); \
  449         (_tq)->axq_depth--; \
  450         (_tq)->an->an_swq_depth--; \
  451 } while (0)
  452 #define ATH_TID_FIRST(_tq)              TAILQ_FIRST(&(_tq)->tid_q)
  453 #define ATH_TID_LAST(_tq, _field)       TAILQ_LAST(&(_tq)->tid_q, _field)
  454 
  455 /*
  456  * These are for the TID filtered frame queue
  457  */
  458 #define ATH_TID_FILT_INSERT_HEAD(_tq, _elm, _field) do { \
  459         TAILQ_INSERT_HEAD(&(_tq)->filtq.tid_q, (_elm), _field); \
  460         (_tq)->axq_depth++; \
  461         (_tq)->an->an_swq_depth++; \
  462 } while (0)
  463 #define ATH_TID_FILT_INSERT_TAIL(_tq, _elm, _field) do { \
  464         TAILQ_INSERT_TAIL(&(_tq)->filtq.tid_q, (_elm), _field); \
  465         (_tq)->axq_depth++; \
  466         (_tq)->an->an_swq_depth++; \
  467 } while (0)
  468 #define ATH_TID_FILT_REMOVE(_tq, _elm, _field) do { \
  469         TAILQ_REMOVE(&(_tq)->filtq.tid_q, _elm, _field); \
  470         (_tq)->axq_depth--; \
  471         (_tq)->an->an_swq_depth--; \
  472 } while (0)
  473 #define ATH_TID_FILT_FIRST(_tq)         TAILQ_FIRST(&(_tq)->filtq.tid_q)
  474 #define ATH_TID_FILT_LAST(_tq, _field)  TAILQ_LAST(&(_tq)->filtq.tid_q,_field)
  475 
  476 struct ath_vap {
  477         struct ieee80211vap av_vap;     /* base class */
  478         int             av_bslot;       /* beacon slot index */
  479         struct ath_buf  *av_bcbuf;      /* beacon buffer */
  480         struct ath_txq  av_mcastq;      /* buffered mcast s/w queue */
  481 
  482         void            (*av_recv_mgmt)(struct ieee80211_node *,
  483                                 struct mbuf *, int,
  484                                 const struct ieee80211_rx_stats *, int, int);
  485         int             (*av_newstate)(struct ieee80211vap *,
  486                                 enum ieee80211_state, int);
  487         void            (*av_bmiss)(struct ieee80211vap *);
  488         void            (*av_node_ps)(struct ieee80211_node *, int);
  489         int             (*av_set_tim)(struct ieee80211_node *, int);
  490         void            (*av_recv_pspoll)(struct ieee80211_node *,
  491                                 struct mbuf *);
  492 };
  493 #define ATH_VAP(vap)    ((struct ath_vap *)(vap))
  494 
  495 struct taskqueue;
  496 struct ath_tx99;
  497 
  498 /*
  499  * Whether to reset the TX/RX queue with or without
  500  * a queue flush.
  501  */
  502 typedef enum {
  503         ATH_RESET_DEFAULT = 0,
  504         ATH_RESET_NOLOSS = 1,
  505         ATH_RESET_FULL = 2,
  506 } ATH_RESET_TYPE;
  507 
  508 struct ath_rx_methods {
  509         void            (*recv_sched_queue)(struct ath_softc *sc,
  510                             HAL_RX_QUEUE q, int dosched);
  511         void            (*recv_sched)(struct ath_softc *sc, int dosched);
  512         void            (*recv_stop)(struct ath_softc *sc, int dodelay);
  513         int             (*recv_start)(struct ath_softc *sc);
  514         void            (*recv_flush)(struct ath_softc *sc);
  515         void            (*recv_tasklet)(void *arg, int npending);
  516         int             (*recv_rxbuf_init)(struct ath_softc *sc,
  517                             struct ath_buf *bf);
  518         int             (*recv_setup)(struct ath_softc *sc);
  519         int             (*recv_teardown)(struct ath_softc *sc);
  520 };
  521 
  522 /*
  523  * Represent the current state of the RX FIFO.
  524  */
  525 struct ath_rx_edma {
  526         struct ath_buf  **m_fifo;
  527         int             m_fifolen;
  528         int             m_fifo_head;
  529         int             m_fifo_tail;
  530         int             m_fifo_depth;
  531         struct mbuf     *m_rxpending;
  532         struct ath_buf  *m_holdbf;
  533 };
  534 
  535 struct ath_tx_edma_fifo {
  536         struct ath_buf  **m_fifo;
  537         int             m_fifolen;
  538         int             m_fifo_head;
  539         int             m_fifo_tail;
  540         int             m_fifo_depth;
  541 };
  542 
  543 struct ath_tx_methods {
  544         int             (*xmit_setup)(struct ath_softc *sc);
  545         int             (*xmit_teardown)(struct ath_softc *sc);
  546         void            (*xmit_attach_comp_func)(struct ath_softc *sc);
  547 
  548         void            (*xmit_dma_restart)(struct ath_softc *sc,
  549                             struct ath_txq *txq);
  550         void            (*xmit_handoff)(struct ath_softc *sc,
  551                             struct ath_txq *txq, struct ath_buf *bf);
  552         void            (*xmit_drain)(struct ath_softc *sc,
  553                             ATH_RESET_TYPE reset_type);
  554 };
  555 
  556 struct ath_softc {
  557         struct ieee80211com     sc_ic;
  558         struct ath_stats        sc_stats;       /* device statistics */
  559         struct ath_tx_aggr_stats        sc_aggr_stats;
  560         struct ath_intr_stats   sc_intr_stats;
  561         uint64_t                sc_debug;
  562         uint64_t                sc_ktrdebug;
  563         int                     sc_nvaps;       /* # vaps */
  564         int                     sc_nstavaps;    /* # station vaps */
  565         int                     sc_nmeshvaps;   /* # mbss vaps */
  566         u_int8_t                sc_hwbssidmask[IEEE80211_ADDR_LEN];
  567         u_int8_t                sc_nbssid0;     /* # vap's using base mac */
  568         uint32_t                sc_bssidmask;   /* bssid mask */
  569 
  570         struct ath_rx_methods   sc_rx;
  571         struct ath_rx_edma      sc_rxedma[HAL_NUM_RX_QUEUES];   /* HP/LP queues */
  572         ath_bufhead             sc_rx_rxlist[HAL_NUM_RX_QUEUES];        /* deferred RX completion */
  573         struct ath_tx_methods   sc_tx;
  574         struct ath_tx_edma_fifo sc_txedma[HAL_NUM_TX_QUEUES];
  575 
  576         /*
  577          * This is (currently) protected by the TX queue lock;
  578          * it should migrate to a separate lock later
  579          * so as to minimise contention.
  580          */
  581         ath_bufhead             sc_txbuf_list;
  582 
  583         int                     sc_rx_statuslen;
  584         int                     sc_tx_desclen;
  585         int                     sc_tx_statuslen;
  586         int                     sc_tx_nmaps;    /* Number of TX maps */
  587         int                     sc_edma_bufsize;
  588         int                     sc_rx_stopped;  /* XXX only for EDMA */
  589         int                     sc_rx_resetted; /* XXX only for EDMA */
  590 
  591         void                    (*sc_node_cleanup)(struct ieee80211_node *);
  592         void                    (*sc_node_free)(struct ieee80211_node *);
  593         device_t                sc_dev;
  594         HAL_BUS_TAG             sc_st;          /* bus space tag */
  595         HAL_BUS_HANDLE          sc_sh;          /* bus space handle */
  596         bus_dma_tag_t           sc_dmat;        /* bus DMA tag */
  597         struct mtx              sc_mtx;         /* master lock (recursive) */
  598         struct mtx              sc_pcu_mtx;     /* PCU access mutex */
  599         char                    sc_pcu_mtx_name[32];
  600         struct mtx              sc_rx_mtx;      /* RX access mutex */
  601         char                    sc_rx_mtx_name[32];
  602         struct mtx              sc_tx_mtx;      /* TX handling/comp mutex */
  603         char                    sc_tx_mtx_name[32];
  604         struct mtx              sc_tx_ic_mtx;   /* TX queue mutex */
  605         char                    sc_tx_ic_mtx_name[32];
  606         struct taskqueue        *sc_tq;         /* private task queue */
  607         struct ath_hal          *sc_ah;         /* Atheros HAL */
  608         struct ath_ratectrl     *sc_rc;         /* tx rate control support */
  609         struct ath_tx99         *sc_tx99;       /* tx99 adjunct state */
  610         void                    (*sc_setdefantenna)(struct ath_softc *, u_int);
  611 
  612         /*
  613          * First set of flags.
  614          */
  615         uint32_t                sc_invalid  : 1,/* disable hardware accesses */
  616                                 sc_mrretry  : 1,/* multi-rate retry support */
  617                                 sc_mrrprot  : 1,/* MRR + protection support */
  618                                 sc_softled  : 1,/* enable LED gpio status */
  619                                 sc_hardled  : 1,/* enable MAC LED status */
  620                                 sc_splitmic : 1,/* split TKIP MIC keys */
  621                                 sc_needmib  : 1,/* enable MIB stats intr */
  622                                 sc_diversity: 1,/* enable rx diversity */
  623                                 sc_hasveol  : 1,/* tx VEOL support */
  624                                 sc_ledstate : 1,/* LED on/off state */
  625                                 sc_blinking : 1,/* LED blink operation active */
  626                                 sc_mcastkey : 1,/* mcast key cache search */
  627                                 sc_scanning : 1,/* scanning active */
  628                                 sc_syncbeacon:1,/* sync/resync beacon timers */
  629                                 sc_hasclrkey: 1,/* CLR key supported */
  630                                 sc_xchanmode: 1,/* extended channel mode */
  631                                 sc_outdoor  : 1,/* outdoor operation */
  632                                 sc_dturbo   : 1,/* dynamic turbo in use */
  633                                 sc_hasbmask : 1,/* bssid mask support */
  634                                 sc_hasbmatch: 1,/* bssid match disable support*/
  635                                 sc_hastsfadd: 1,/* tsf adjust support */
  636                                 sc_beacons  : 1,/* beacons running */
  637                                 sc_swbmiss  : 1,/* sta mode using sw bmiss */
  638                                 sc_stagbeacons:1,/* use staggered beacons */
  639                                 sc_wmetkipmic:1,/* can do WME+TKIP MIC */
  640                                 sc_resume_up: 1,/* on resume, start all vaps */
  641                                 sc_tdma     : 1,/* TDMA in use */
  642                                 sc_setcca   : 1,/* set/clr CCA with TDMA */
  643                                 sc_resetcal : 1,/* reset cal state next trip */
  644                                 sc_rxslink  : 1,/* do self-linked final descriptor */
  645                                 sc_rxtsf32  : 1,/* RX dec TSF is 32 bits */
  646                                 sc_isedma   : 1,/* supports EDMA */
  647                                 sc_do_mybeacon : 1; /* supports mybeacon */
  648 
  649         /*
  650          * Second set of flags.
  651          */
  652         u_int32_t               sc_running  : 1,        /* initialized */
  653                                 sc_use_ent  : 1,
  654                                 sc_rx_stbc  : 1,
  655                                 sc_tx_stbc  : 1,
  656                                 sc_has_ldpc : 1,
  657                                 sc_hasenforcetxop : 1, /* support enforce TxOP */
  658                                 sc_hasdivcomb : 1,     /* RX diversity combining */
  659                                 sc_rx_lnamixer : 1,    /* RX using LNA mixing */
  660                                 sc_btcoex_mci : 1;     /* MCI bluetooth coex */
  661 
  662         int                     sc_cabq_enable; /* Enable cabq transmission */
  663 
  664         /*
  665          * Enterprise mode configuration for AR9380 and later chipsets.
  666          */
  667         uint32_t                sc_ent_cfg;
  668 
  669         uint32_t                sc_eerd;        /* regdomain from EEPROM */
  670         uint32_t                sc_eecc;        /* country code from EEPROM */
  671                                                 /* rate tables */
  672         const HAL_RATE_TABLE    *sc_rates[IEEE80211_MODE_MAX];
  673         const HAL_RATE_TABLE    *sc_currates;   /* current rate table */
  674         enum ieee80211_phymode  sc_curmode;     /* current phy mode */
  675         HAL_OPMODE              sc_opmode;      /* current operating mode */
  676         u_int16_t               sc_curtxpow;    /* current tx power limit */
  677         u_int16_t               sc_curaid;      /* current association id */
  678         struct ieee80211_channel *sc_curchan;   /* current installed channel */
  679         u_int8_t                sc_curbssid[IEEE80211_ADDR_LEN];
  680         u_int8_t                sc_rixmap[256]; /* IEEE to h/w rate table ix */
  681         struct {
  682                 u_int8_t        ieeerate;       /* IEEE rate */
  683                 u_int8_t        rxflags;        /* radiotap rx flags */
  684                 u_int8_t        txflags;        /* radiotap tx flags */
  685                 u_int16_t       ledon;          /* softled on time */
  686                 u_int16_t       ledoff;         /* softled off time */
  687         } sc_hwmap[32];                         /* h/w rate ix mappings */
  688         u_int8_t                sc_protrix;     /* protection rate index */
  689         u_int8_t                sc_lastdatarix; /* last data frame rate index */
  690         u_int                   sc_mcastrate;   /* ieee rate for mcastrateix */
  691         u_int                   sc_fftxqmin;    /* min frames before staging */
  692         u_int                   sc_fftxqmax;    /* max frames before drop */
  693         u_int                   sc_txantenna;   /* tx antenna (fixed or auto) */
  694 
  695         HAL_INT                 sc_imask;       /* interrupt mask copy */
  696 
  697         /*
  698          * These are modified in the interrupt handler as well as
  699          * the task queues and other contexts. Thus these must be
  700          * protected by a mutex, or they could clash.
  701          *
  702          * For now, access to these is behind the ATH_LOCK,
  703          * just to save time.
  704          */
  705         uint32_t                sc_txq_active;  /* bitmap of active TXQs */
  706         uint32_t                sc_kickpcu;     /* whether to kick the PCU */
  707         uint32_t                sc_rxproc_cnt;  /* In RX processing */
  708         uint32_t                sc_txproc_cnt;  /* In TX processing */
  709         uint32_t                sc_txstart_cnt; /* In TX output (raw/start) */
  710         uint32_t                sc_inreset_cnt; /* In active reset/chanchange */
  711         uint32_t                sc_txrx_cnt;    /* refcount on stop/start'ing TX */
  712         uint32_t                sc_intr_cnt;    /* refcount on interrupt handling */
  713 
  714         u_int                   sc_keymax;      /* size of key cache */
  715         u_int8_t                sc_keymap[ATH_KEYBYTES];/* key use bit map */
  716 
  717         /*
  718          * Software based LED blinking
  719          */
  720         u_int                   sc_ledpin;      /* GPIO pin for driving LED */
  721         u_int                   sc_ledon;       /* pin setting for LED on */
  722         u_int                   sc_ledidle;     /* idle polling interval */
  723         int                     sc_ledevent;    /* time of last LED event */
  724         u_int8_t                sc_txrix;       /* current tx rate for LED */
  725         u_int16_t               sc_ledoff;      /* off time for current blink */
  726         struct callout          sc_ledtimer;    /* led off timer */
  727 
  728         /*
  729          * Hardware based LED blinking
  730          */
  731         int                     sc_led_pwr_pin; /* MAC power LED GPIO pin */
  732         int                     sc_led_net_pin; /* MAC network LED GPIO pin */
  733 
  734         u_int                   sc_rfsilentpin; /* GPIO pin for rfkill int */
  735         u_int                   sc_rfsilentpol; /* pin setting for rfkill on */
  736 
  737         struct ath_descdma      sc_rxdma;       /* RX descriptors */
  738         ath_bufhead             sc_rxbuf;       /* receive buffer */
  739         u_int32_t               *sc_rxlink;     /* link ptr in last RX desc */
  740         struct task             sc_rxtask;      /* rx int processing */
  741         u_int8_t                sc_defant;      /* current default antenna */
  742         u_int8_t                sc_rxotherant;  /* rx's on non-default antenna*/
  743         u_int64_t               sc_lastrx;      /* tsf at last rx'd frame */
  744         struct ath_rx_status    *sc_lastrs;     /* h/w status of last rx */
  745         struct ath_rx_radiotap_header sc_rx_th;
  746         int                     sc_rx_th_len;
  747         u_int                   sc_monpass;     /* frames to pass in mon.mode */
  748 
  749         struct ath_descdma      sc_txdma;       /* TX descriptors */
  750         uint16_t                sc_txbuf_descid;
  751         ath_bufhead             sc_txbuf;       /* transmit buffer */
  752         int                     sc_txbuf_cnt;   /* how many buffers avail */
  753         struct ath_descdma      sc_txdma_mgmt;  /* mgmt TX descriptors */
  754         ath_bufhead             sc_txbuf_mgmt;  /* mgmt transmit buffer */
  755         struct ath_descdma      sc_txsdma;      /* EDMA TX status desc's */
  756         struct mtx              sc_txbuflock;   /* txbuf lock */
  757         char                    sc_txname[12];  /* e.g. "ath0_buf" */
  758         u_int                   sc_txqsetup;    /* h/w queues setup */
  759         u_int                   sc_txintrperiod;/* tx interrupt batching */
  760         struct ath_txq          sc_txq[HAL_NUM_TX_QUEUES];
  761         struct ath_txq          *sc_ac2q[5];    /* WME AC -> h/w q map */ 
  762         struct task             sc_txtask;      /* tx int processing */
  763         struct task             sc_txqtask;     /* tx proc processing */
  764 
  765         struct ath_descdma      sc_txcompdma;   /* TX EDMA completion */
  766         struct mtx              sc_txcomplock;  /* TX EDMA completion lock */
  767         char                    sc_txcompname[12];      /* eg ath0_txcomp */
  768 
  769         int                     sc_wd_timer;    /* count down for wd timer */
  770         struct callout          sc_wd_ch;       /* tx watchdog timer */
  771         struct ath_tx_radiotap_header sc_tx_th;
  772         int                     sc_tx_th_len;
  773 
  774         struct ath_descdma      sc_bdma;        /* beacon descriptors */
  775         ath_bufhead             sc_bbuf;        /* beacon buffers */
  776         u_int                   sc_bhalq;       /* HAL q for outgoing beacons */
  777         u_int                   sc_bmisscount;  /* missed beacon transmits */
  778         u_int32_t               sc_ant_tx[8];   /* recent tx frames/antenna */
  779         struct ath_txq          *sc_cabq;       /* tx q for cab frames */
  780         struct task             sc_bmisstask;   /* bmiss int processing */
  781         struct task             sc_bstucktask;  /* stuck beacon processing */
  782         struct task             sc_resettask;   /* interface reset task */
  783         struct task             sc_fataltask;   /* fatal task */
  784         enum {
  785                 OK,                             /* no change needed */
  786                 UPDATE,                         /* update pending */
  787                 COMMIT                          /* beacon sent, commit change */
  788         } sc_updateslot;                        /* slot time update fsm */
  789         int                     sc_slotupdate;  /* slot to advance fsm */
  790         struct ieee80211vap     *sc_bslot[ATH_BCBUF];
  791         int                     sc_nbcnvaps;    /* # vaps with beacons */
  792 
  793         struct callout          sc_cal_ch;      /* callout handle for cals */
  794         int                     sc_lastlongcal; /* last long cal completed */
  795         int                     sc_lastcalreset;/* last cal reset done */
  796         int                     sc_lastani;     /* last ANI poll */
  797         int                     sc_lastshortcal;        /* last short calibration */
  798         HAL_BOOL                sc_doresetcal;  /* Yes, we're doing a reset cal atm */
  799         HAL_NODE_STATS          sc_halstats;    /* station-mode rssi stats */
  800         u_int                   sc_tdmadbaprep; /* TDMA DBA prep time */
  801         u_int                   sc_tdmaswbaprep;/* TDMA SWBA prep time */
  802         u_int                   sc_tdmaswba;    /* TDMA SWBA counter */
  803         u_int32_t               sc_tdmabintval; /* TDMA beacon interval (TU) */
  804         u_int32_t               sc_tdmaguard;   /* TDMA guard time (usec) */
  805         u_int                   sc_tdmaslotlen; /* TDMA slot length (usec) */
  806         u_int32_t               sc_avgtsfdeltap;/* TDMA slot adjust (+) */
  807         u_int32_t               sc_avgtsfdeltam;/* TDMA slot adjust (-) */
  808         uint16_t                *sc_eepromdata; /* Local eeprom data, if AR9100 */
  809         uint32_t                sc_txchainmask; /* hardware TX chainmask */
  810         uint32_t                sc_rxchainmask; /* hardware RX chainmask */
  811         uint32_t                sc_cur_txchainmask;     /* currently configured TX chainmask */
  812         uint32_t                sc_cur_rxchainmask;     /* currently configured RX chainmask */
  813         uint32_t                sc_rts_aggr_limit;      /* TX limit on RTS aggregates */
  814         int                     sc_aggr_limit;  /* TX limit on all aggregates */
  815         int                     sc_delim_min_pad;       /* Minimum delimiter count */
  816 
  817         /* Queue limits */
  818 
  819         /*
  820          * To avoid queue starvation in congested conditions,
  821          * these parameters tune the maximum number of frames
  822          * queued to the data/mcastq before they're dropped.
  823          *
  824          * This is to prevent:
  825          * + a single destination overwhelming everything, including
  826          *   management/multicast frames;
  827          * + multicast frames overwhelming everything (when the
  828          *   air is sufficiently busy that cabq can't drain.)
  829          * + A node in powersave shouldn't be allowed to exhaust
  830          *   all available mbufs;
  831          *
  832          * These implement:
  833          * + data_minfree is the maximum number of free buffers
  834          *   overall to successfully allow a data frame.
  835          *
  836          * + mcastq_maxdepth is the maximum depth allowed of the cabq.
  837          */
  838         int                     sc_txq_node_maxdepth;
  839         int                     sc_txq_data_minfree;
  840         int                     sc_txq_mcastq_maxdepth;
  841         int                     sc_txq_node_psq_maxdepth;
  842 
  843         /*
  844          * Software queue twiddles
  845          *
  846          * hwq_limit_nonaggr:
  847          *              when to begin limiting non-aggregate frames to the
  848          *              hardware queue, regardless of the TID.
  849          * hwq_limit_aggr:
  850          *              when to begin limiting A-MPDU frames to the
  851          *              hardware queue, regardless of the TID.
  852          * tid_hwq_lo:  how low the per-TID hwq count has to be before the
  853          *              TID will be scheduled again
  854          * tid_hwq_hi:  how many frames to queue to the HWQ before the TID
  855          *              stops being scheduled.
  856          */
  857         int                     sc_hwq_limit_nonaggr;
  858         int                     sc_hwq_limit_aggr;
  859         int                     sc_tid_hwq_lo;
  860         int                     sc_tid_hwq_hi;
  861 
  862         /* DFS related state */
  863         void                    *sc_dfs;        /* Used by an optional DFS module */
  864         int                     sc_dodfs;       /* Whether to enable DFS rx filter bits */
  865         struct task             sc_dfstask;     /* DFS processing task */
  866 
  867         /* Spectral related state */
  868         void                    *sc_spectral;
  869         int                     sc_dospectral;
  870 
  871         /* LNA diversity related state */
  872         void                    *sc_lna_div;
  873         int                     sc_dolnadiv;
  874 
  875         /* ALQ */
  876 #ifdef  ATH_DEBUG_ALQ
  877         struct if_ath_alq sc_alq;
  878 #endif
  879 
  880         /* TX AMPDU handling */
  881         int                     (*sc_addba_request)(struct ieee80211_node *,
  882                                     struct ieee80211_tx_ampdu *, int, int, int);
  883         int                     (*sc_addba_response)(struct ieee80211_node *,
  884                                     struct ieee80211_tx_ampdu *, int, int, int);
  885         void                    (*sc_addba_stop)(struct ieee80211_node *,
  886                                     struct ieee80211_tx_ampdu *);
  887         void                    (*sc_addba_response_timeout)
  888                                     (struct ieee80211_node *,
  889                                     struct ieee80211_tx_ampdu *);
  890         void                    (*sc_bar_response)(struct ieee80211_node *ni,
  891                                     struct ieee80211_tx_ampdu *tap,
  892                                     int status);
  893 
  894         /*
  895          * Powersave state tracking.
  896          *
  897          * target/cur powerstate is the chip power state.
  898          * target selfgen state is the self-generated frames
  899          *   state.  The chip can be awake but transmitted frames
  900          *   can have the PWRMGT bit set to 1 so the destination
  901          *   thinks the node is asleep.
  902          */
  903         HAL_POWER_MODE          sc_target_powerstate;
  904         HAL_POWER_MODE          sc_target_selfgen_state;
  905 
  906         HAL_POWER_MODE          sc_cur_powerstate;
  907 
  908         int                     sc_powersave_refcnt;
  909 
  910         /* ATH_PCI_* flags */
  911         uint32_t                sc_pci_devinfo;
  912 
  913         /* BT coex */
  914         struct {
  915                 struct ath_descdma buf;
  916 
  917                 /* gpm/sched buffer, saved pointers */
  918                 char *sched_buf;
  919                 bus_addr_t sched_paddr;
  920                 char *gpm_buf;
  921                 bus_addr_t gpm_paddr;
  922 
  923                 uint32_t wlan_channels[4];
  924         } sc_btcoex;
  925 };
  926 
  927 #define ATH_LOCK_INIT(_sc) \
  928         mtx_init(&(_sc)->sc_mtx, device_get_nameunit((_sc)->sc_dev), \
  929                  NULL, MTX_DEF | MTX_RECURSE)
  930 #define ATH_LOCK_DESTROY(_sc)   mtx_destroy(&(_sc)->sc_mtx)
  931 #define ATH_LOCK(_sc)           mtx_lock(&(_sc)->sc_mtx)
  932 #define ATH_UNLOCK(_sc)         mtx_unlock(&(_sc)->sc_mtx)
  933 #define ATH_LOCK_ASSERT(_sc)    mtx_assert(&(_sc)->sc_mtx, MA_OWNED)
  934 #define ATH_UNLOCK_ASSERT(_sc)  mtx_assert(&(_sc)->sc_mtx, MA_NOTOWNED)
  935 
  936 /*
  937  * The TX lock is non-reentrant and serialises the TX frame send
  938  * and completion operations.
  939  */
  940 #define ATH_TX_LOCK_INIT(_sc) do {\
  941         snprintf((_sc)->sc_tx_mtx_name,                         \
  942             sizeof((_sc)->sc_tx_mtx_name),                              \
  943             "%s TX lock",                                               \
  944             device_get_nameunit((_sc)->sc_dev));                        \
  945         mtx_init(&(_sc)->sc_tx_mtx, (_sc)->sc_tx_mtx_name,              \
  946                  NULL, MTX_DEF);                                        \
  947         } while (0)
  948 #define ATH_TX_LOCK_DESTROY(_sc)        mtx_destroy(&(_sc)->sc_tx_mtx)
  949 #define ATH_TX_LOCK(_sc)                mtx_lock(&(_sc)->sc_tx_mtx)
  950 #define ATH_TX_UNLOCK(_sc)              mtx_unlock(&(_sc)->sc_tx_mtx)
  951 #define ATH_TX_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->sc_tx_mtx,   \
  952                 MA_OWNED)
  953 #define ATH_TX_UNLOCK_ASSERT(_sc)       mtx_assert(&(_sc)->sc_tx_mtx,   \
  954                 MA_NOTOWNED)
  955 #define ATH_TX_TRYLOCK(_sc)     (mtx_owned(&(_sc)->sc_tx_mtx) != 0 &&   \
  956                                         mtx_trylock(&(_sc)->sc_tx_mtx))
  957 
  958 /*
  959  * The PCU lock is non-recursive and should be treated as a spinlock.
  960  * Although currently the interrupt code is run in netisr context and
  961  * doesn't require this, this may change in the future.
  962  * Please keep this in mind when protecting certain code paths
  963  * with the PCU lock.
  964  *
  965  * The PCU lock is used to serialise access to the PCU so things such
  966  * as TX, RX, state change (eg channel change), channel reset and updates
  967  * from interrupt context (eg kickpcu, txqactive bits) do not clash.
  968  *
  969  * Although the current single-thread taskqueue mechanism protects the
  970  * majority of these situations by simply serialising them, there are
  971  * a few others which occur at the same time. These include the TX path
  972  * (which only acquires ATH_LOCK when recycling buffers to the free list),
  973  * ath_set_channel, the channel scanning API and perhaps quite a bit more.
  974  */
  975 #define ATH_PCU_LOCK_INIT(_sc) do {\
  976         snprintf((_sc)->sc_pcu_mtx_name,                                \
  977             sizeof((_sc)->sc_pcu_mtx_name),                             \
  978             "%s PCU lock",                                              \
  979             device_get_nameunit((_sc)->sc_dev));                        \
  980         mtx_init(&(_sc)->sc_pcu_mtx, (_sc)->sc_pcu_mtx_name,            \
  981                  NULL, MTX_DEF);                                        \
  982         } while (0)
  983 #define ATH_PCU_LOCK_DESTROY(_sc)       mtx_destroy(&(_sc)->sc_pcu_mtx)
  984 #define ATH_PCU_LOCK(_sc)               mtx_lock(&(_sc)->sc_pcu_mtx)
  985 #define ATH_PCU_UNLOCK(_sc)             mtx_unlock(&(_sc)->sc_pcu_mtx)
  986 #define ATH_PCU_LOCK_ASSERT(_sc)        mtx_assert(&(_sc)->sc_pcu_mtx,  \
  987                 MA_OWNED)
  988 #define ATH_PCU_UNLOCK_ASSERT(_sc)      mtx_assert(&(_sc)->sc_pcu_mtx,  \
  989                 MA_NOTOWNED)
  990 
  991 /*
  992  * The RX lock is primarily a(nother) workaround to ensure that the
  993  * RX FIFO/list isn't modified by various execution paths.
  994  * Even though RX occurs in a single context (the ath taskqueue), the
  995  * RX path can be executed via various reset/channel change paths.
  996  */
  997 #define ATH_RX_LOCK_INIT(_sc) do {\
  998         snprintf((_sc)->sc_rx_mtx_name,                                 \
  999             sizeof((_sc)->sc_rx_mtx_name),                              \
 1000             "%s RX lock",                                               \
 1001             device_get_nameunit((_sc)->sc_dev));                        \
 1002         mtx_init(&(_sc)->sc_rx_mtx, (_sc)->sc_rx_mtx_name,              \
 1003                  NULL, MTX_DEF);                                        \
 1004         } while (0)
 1005 #define ATH_RX_LOCK_DESTROY(_sc)        mtx_destroy(&(_sc)->sc_rx_mtx)
 1006 #define ATH_RX_LOCK(_sc)                mtx_lock(&(_sc)->sc_rx_mtx)
 1007 #define ATH_RX_UNLOCK(_sc)              mtx_unlock(&(_sc)->sc_rx_mtx)
 1008 #define ATH_RX_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->sc_rx_mtx,   \
 1009                 MA_OWNED)
 1010 #define ATH_RX_UNLOCK_ASSERT(_sc)       mtx_assert(&(_sc)->sc_rx_mtx,   \
 1011                 MA_NOTOWNED)
 1012 
 1013 #define ATH_TXQ_SETUP(sc, i)    ((sc)->sc_txqsetup & (1<<i))
 1014 
 1015 #define ATH_TXBUF_LOCK_INIT(_sc) do { \
 1016         snprintf((_sc)->sc_txname, sizeof((_sc)->sc_txname), "%s_buf", \
 1017                 device_get_nameunit((_sc)->sc_dev)); \
 1018         mtx_init(&(_sc)->sc_txbuflock, (_sc)->sc_txname, NULL, MTX_DEF); \
 1019 } while (0)
 1020 #define ATH_TXBUF_LOCK_DESTROY(_sc)     mtx_destroy(&(_sc)->sc_txbuflock)
 1021 #define ATH_TXBUF_LOCK(_sc)             mtx_lock(&(_sc)->sc_txbuflock)
 1022 #define ATH_TXBUF_UNLOCK(_sc)           mtx_unlock(&(_sc)->sc_txbuflock)
 1023 #define ATH_TXBUF_LOCK_ASSERT(_sc) \
 1024         mtx_assert(&(_sc)->sc_txbuflock, MA_OWNED)
 1025 #define ATH_TXBUF_UNLOCK_ASSERT(_sc) \
 1026         mtx_assert(&(_sc)->sc_txbuflock, MA_NOTOWNED)
 1027 
 1028 #define ATH_TXSTATUS_LOCK_INIT(_sc) do { \
 1029         snprintf((_sc)->sc_txcompname, sizeof((_sc)->sc_txcompname), \
 1030                 "%s_buf", \
 1031                 device_get_nameunit((_sc)->sc_dev)); \
 1032         mtx_init(&(_sc)->sc_txcomplock, (_sc)->sc_txcompname, NULL, \
 1033                 MTX_DEF); \
 1034 } while (0)
 1035 #define ATH_TXSTATUS_LOCK_DESTROY(_sc)  mtx_destroy(&(_sc)->sc_txcomplock)
 1036 #define ATH_TXSTATUS_LOCK(_sc)          mtx_lock(&(_sc)->sc_txcomplock)
 1037 #define ATH_TXSTATUS_UNLOCK(_sc)        mtx_unlock(&(_sc)->sc_txcomplock)
 1038 #define ATH_TXSTATUS_LOCK_ASSERT(_sc) \
 1039         mtx_assert(&(_sc)->sc_txcomplock, MA_OWNED)
 1040 
 1041 int     ath_attach(u_int16_t, struct ath_softc *);
 1042 int     ath_detach(struct ath_softc *);
 1043 void    ath_resume(struct ath_softc *);
 1044 void    ath_suspend(struct ath_softc *);
 1045 void    ath_shutdown(struct ath_softc *);
 1046 void    ath_intr(void *);
 1047 
 1048 /*
 1049  * HAL definitions to comply with local coding convention.
 1050  */
 1051 #define ath_hal_detach(_ah) \
 1052         ((*(_ah)->ah_detach)((_ah)))
 1053 #define ath_hal_reset(_ah, _opmode, _chan, _fullreset, _resettype, _pstatus) \
 1054         ((*(_ah)->ah_reset)((_ah), (_opmode), (_chan), (_fullreset), \
 1055             (_resettype), (_pstatus)))
 1056 #define ath_hal_macversion(_ah) \
 1057         (((_ah)->ah_macVersion << 4) | ((_ah)->ah_macRev))
 1058 #define ath_hal_getratetable(_ah, _mode) \
 1059         ((*(_ah)->ah_getRateTable)((_ah), (_mode)))
 1060 #define ath_hal_getmac(_ah, _mac) \
 1061         ((*(_ah)->ah_getMacAddress)((_ah), (_mac)))
 1062 #define ath_hal_setmac(_ah, _mac) \
 1063         ((*(_ah)->ah_setMacAddress)((_ah), (_mac)))
 1064 #define ath_hal_getbssidmask(_ah, _mask) \
 1065         ((*(_ah)->ah_getBssIdMask)((_ah), (_mask)))
 1066 #define ath_hal_setbssidmask(_ah, _mask) \
 1067         ((*(_ah)->ah_setBssIdMask)((_ah), (_mask)))
 1068 #define ath_hal_intrset(_ah, _mask) \
 1069         ((*(_ah)->ah_setInterrupts)((_ah), (_mask)))
 1070 #define ath_hal_intrget(_ah) \
 1071         ((*(_ah)->ah_getInterrupts)((_ah)))
 1072 #define ath_hal_intrpend(_ah) \
 1073         ((*(_ah)->ah_isInterruptPending)((_ah)))
 1074 #define ath_hal_getisr(_ah, _pmask) \
 1075         ((*(_ah)->ah_getPendingInterrupts)((_ah), (_pmask)))
 1076 #define ath_hal_updatetxtriglevel(_ah, _inc) \
 1077         ((*(_ah)->ah_updateTxTrigLevel)((_ah), (_inc)))
 1078 #define ath_hal_setpower(_ah, _mode) \
 1079         ((*(_ah)->ah_setPowerMode)((_ah), (_mode), AH_TRUE))
 1080 #define ath_hal_setselfgenpower(_ah, _mode) \
 1081         ((*(_ah)->ah_setPowerMode)((_ah), (_mode), AH_FALSE))
 1082 #define ath_hal_keycachesize(_ah) \
 1083         ((*(_ah)->ah_getKeyCacheSize)((_ah)))
 1084 #define ath_hal_keyreset(_ah, _ix) \
 1085         ((*(_ah)->ah_resetKeyCacheEntry)((_ah), (_ix)))
 1086 #define ath_hal_keyset(_ah, _ix, _pk, _mac) \
 1087         ((*(_ah)->ah_setKeyCacheEntry)((_ah), (_ix), (_pk), (_mac), AH_FALSE))
 1088 #define ath_hal_keyisvalid(_ah, _ix) \
 1089         (((*(_ah)->ah_isKeyCacheEntryValid)((_ah), (_ix))))
 1090 #define ath_hal_keysetmac(_ah, _ix, _mac) \
 1091         ((*(_ah)->ah_setKeyCacheEntryMac)((_ah), (_ix), (_mac)))
 1092 #define ath_hal_getrxfilter(_ah) \
 1093         ((*(_ah)->ah_getRxFilter)((_ah)))
 1094 #define ath_hal_setrxfilter(_ah, _filter) \
 1095         ((*(_ah)->ah_setRxFilter)((_ah), (_filter)))
 1096 #define ath_hal_setmcastfilter(_ah, _mfilt0, _mfilt1) \
 1097         ((*(_ah)->ah_setMulticastFilter)((_ah), (_mfilt0), (_mfilt1)))
 1098 #define ath_hal_waitforbeacon(_ah, _bf) \
 1099         ((*(_ah)->ah_waitForBeaconDone)((_ah), (_bf)->bf_daddr))
 1100 #define ath_hal_putrxbuf(_ah, _bufaddr, _rxq) \
 1101         ((*(_ah)->ah_setRxDP)((_ah), (_bufaddr), (_rxq)))
 1102 /* NB: common across all chips */
 1103 #define AR_TSF_L32      0x804c  /* MAC local clock lower 32 bits */
 1104 #define ath_hal_gettsf32(_ah) \
 1105         OS_REG_READ(_ah, AR_TSF_L32)
 1106 #define ath_hal_gettsf64(_ah) \
 1107         ((*(_ah)->ah_getTsf64)((_ah)))
 1108 #define ath_hal_settsf64(_ah, _val) \
 1109         ((*(_ah)->ah_setTsf64)((_ah), (_val)))
 1110 #define ath_hal_resettsf(_ah) \
 1111         ((*(_ah)->ah_resetTsf)((_ah)))
 1112 #define ath_hal_rxena(_ah) \
 1113         ((*(_ah)->ah_enableReceive)((_ah)))
 1114 #define ath_hal_puttxbuf(_ah, _q, _bufaddr) \
 1115         ((*(_ah)->ah_setTxDP)((_ah), (_q), (_bufaddr)))
 1116 #define ath_hal_gettxbuf(_ah, _q) \
 1117         ((*(_ah)->ah_getTxDP)((_ah), (_q)))
 1118 #define ath_hal_numtxpending(_ah, _q) \
 1119         ((*(_ah)->ah_numTxPending)((_ah), (_q)))
 1120 #define ath_hal_getrxbuf(_ah, _rxq) \
 1121         ((*(_ah)->ah_getRxDP)((_ah), (_rxq)))
 1122 #define ath_hal_txstart(_ah, _q) \
 1123         ((*(_ah)->ah_startTxDma)((_ah), (_q)))
 1124 #define ath_hal_setchannel(_ah, _chan) \
 1125         ((*(_ah)->ah_setChannel)((_ah), (_chan)))
 1126 #define ath_hal_calibrate(_ah, _chan, _iqcal) \
 1127         ((*(_ah)->ah_perCalibration)((_ah), (_chan), (_iqcal)))
 1128 #define ath_hal_calibrateN(_ah, _chan, _lcal, _isdone) \
 1129         ((*(_ah)->ah_perCalibrationN)((_ah), (_chan), 0x1, (_lcal), (_isdone)))
 1130 #define ath_hal_calreset(_ah, _chan) \
 1131         ((*(_ah)->ah_resetCalValid)((_ah), (_chan)))
 1132 #define ath_hal_setledstate(_ah, _state) \
 1133         ((*(_ah)->ah_setLedState)((_ah), (_state)))
 1134 #define ath_hal_beaconinit(_ah, _nextb, _bperiod) \
 1135         ((*(_ah)->ah_beaconInit)((_ah), (_nextb), (_bperiod)))
 1136 #define ath_hal_beaconreset(_ah) \
 1137         ((*(_ah)->ah_resetStationBeaconTimers)((_ah)))
 1138 #define ath_hal_beaconsettimers(_ah, _bt) \
 1139         ((*(_ah)->ah_setBeaconTimers)((_ah), (_bt)))
 1140 #define ath_hal_beacontimers(_ah, _bs) \
 1141         ((*(_ah)->ah_setStationBeaconTimers)((_ah), (_bs)))
 1142 #define ath_hal_getnexttbtt(_ah) \
 1143         ((*(_ah)->ah_getNextTBTT)((_ah)))
 1144 #define ath_hal_setassocid(_ah, _bss, _associd) \
 1145         ((*(_ah)->ah_writeAssocid)((_ah), (_bss), (_associd)))
 1146 #define ath_hal_phydisable(_ah) \
 1147         ((*(_ah)->ah_phyDisable)((_ah)))
 1148 #define ath_hal_setopmode(_ah) \
 1149         ((*(_ah)->ah_setPCUConfig)((_ah)))
 1150 #define ath_hal_stoptxdma(_ah, _qnum) \
 1151         ((*(_ah)->ah_stopTxDma)((_ah), (_qnum)))
 1152 #define ath_hal_stoppcurecv(_ah) \
 1153         ((*(_ah)->ah_stopPcuReceive)((_ah)))
 1154 #define ath_hal_startpcurecv(_ah) \
 1155         ((*(_ah)->ah_startPcuReceive)((_ah)))
 1156 #define ath_hal_stopdmarecv(_ah) \
 1157         ((*(_ah)->ah_stopDmaReceive)((_ah)))
 1158 #define ath_hal_getdiagstate(_ah, _id, _indata, _insize, _outdata, _outsize) \
 1159         ((*(_ah)->ah_getDiagState)((_ah), (_id), \
 1160                 (_indata), (_insize), (_outdata), (_outsize)))
 1161 #define ath_hal_getfatalstate(_ah, _outdata, _outsize) \
 1162         ath_hal_getdiagstate(_ah, 29, NULL, 0, (_outdata), _outsize)
 1163 #define ath_hal_setuptxqueue(_ah, _type, _irq) \
 1164         ((*(_ah)->ah_setupTxQueue)((_ah), (_type), (_irq)))
 1165 #define ath_hal_resettxqueue(_ah, _q) \
 1166         ((*(_ah)->ah_resetTxQueue)((_ah), (_q)))
 1167 #define ath_hal_releasetxqueue(_ah, _q) \
 1168         ((*(_ah)->ah_releaseTxQueue)((_ah), (_q)))
 1169 #define ath_hal_gettxqueueprops(_ah, _q, _qi) \
 1170         ((*(_ah)->ah_getTxQueueProps)((_ah), (_q), (_qi)))
 1171 #define ath_hal_settxqueueprops(_ah, _q, _qi) \
 1172         ((*(_ah)->ah_setTxQueueProps)((_ah), (_q), (_qi)))
 1173 /* NB: common across all chips */
 1174 #define AR_Q_TXE        0x0840  /* MAC Transmit Queue enable */
 1175 #define ath_hal_txqenabled(_ah, _qnum) \
 1176         (OS_REG_READ(_ah, AR_Q_TXE) & (1<<(_qnum)))
 1177 #define ath_hal_getrfgain(_ah) \
 1178         ((*(_ah)->ah_getRfGain)((_ah)))
 1179 #define ath_hal_getdefantenna(_ah) \
 1180         ((*(_ah)->ah_getDefAntenna)((_ah)))
 1181 #define ath_hal_setdefantenna(_ah, _ant) \
 1182         ((*(_ah)->ah_setDefAntenna)((_ah), (_ant)))
 1183 #define ath_hal_rxmonitor(_ah, _arg, _chan) \
 1184         ((*(_ah)->ah_rxMonitor)((_ah), (_arg), (_chan)))
 1185 #define ath_hal_ani_poll(_ah, _chan) \
 1186         ((*(_ah)->ah_aniPoll)((_ah), (_chan)))
 1187 #define ath_hal_mibevent(_ah, _stats) \
 1188         ((*(_ah)->ah_procMibEvent)((_ah), (_stats)))
 1189 #define ath_hal_setslottime(_ah, _us) \
 1190         ((*(_ah)->ah_setSlotTime)((_ah), (_us)))
 1191 #define ath_hal_getslottime(_ah) \
 1192         ((*(_ah)->ah_getSlotTime)((_ah)))
 1193 #define ath_hal_setacktimeout(_ah, _us) \
 1194         ((*(_ah)->ah_setAckTimeout)((_ah), (_us)))
 1195 #define ath_hal_getacktimeout(_ah) \
 1196         ((*(_ah)->ah_getAckTimeout)((_ah)))
 1197 #define ath_hal_setctstimeout(_ah, _us) \
 1198         ((*(_ah)->ah_setCTSTimeout)((_ah), (_us)))
 1199 #define ath_hal_getctstimeout(_ah) \
 1200         ((*(_ah)->ah_getCTSTimeout)((_ah)))
 1201 #define ath_hal_getcapability(_ah, _cap, _param, _result) \
 1202         ((*(_ah)->ah_getCapability)((_ah), (_cap), (_param), (_result)))
 1203 #define ath_hal_setcapability(_ah, _cap, _param, _v, _status) \
 1204         ((*(_ah)->ah_setCapability)((_ah), (_cap), (_param), (_v), (_status)))
 1205 #define ath_hal_ciphersupported(_ah, _cipher) \
 1206         (ath_hal_getcapability(_ah, HAL_CAP_CIPHER, _cipher, NULL) == HAL_OK)
 1207 #define ath_hal_getregdomain(_ah, _prd) \
 1208         (ath_hal_getcapability(_ah, HAL_CAP_REG_DMN, 0, (_prd)) == HAL_OK)
 1209 #define ath_hal_setregdomain(_ah, _rd) \
 1210         ath_hal_setcapability(_ah, HAL_CAP_REG_DMN, 0, _rd, NULL)
 1211 #define ath_hal_getcountrycode(_ah, _pcc) \
 1212         (*(_pcc) = (_ah)->ah_countryCode)
 1213 #define ath_hal_gettkipmic(_ah) \
 1214         (ath_hal_getcapability(_ah, HAL_CAP_TKIP_MIC, 1, NULL) == HAL_OK)
 1215 #define ath_hal_settkipmic(_ah, _v) \
 1216         ath_hal_setcapability(_ah, HAL_CAP_TKIP_MIC, 1, _v, NULL)
 1217 #define ath_hal_hastkipsplit(_ah) \
 1218         (ath_hal_getcapability(_ah, HAL_CAP_TKIP_SPLIT, 0, NULL) == HAL_OK)
 1219 #define ath_hal_gettkipsplit(_ah) \
 1220         (ath_hal_getcapability(_ah, HAL_CAP_TKIP_SPLIT, 1, NULL) == HAL_OK)
 1221 #define ath_hal_settkipsplit(_ah, _v) \
 1222         ath_hal_setcapability(_ah, HAL_CAP_TKIP_SPLIT, 1, _v, NULL)
 1223 #define ath_hal_haswmetkipmic(_ah) \
 1224         (ath_hal_getcapability(_ah, HAL_CAP_WME_TKIPMIC, 0, NULL) == HAL_OK)
 1225 #define ath_hal_hwphycounters(_ah) \
 1226         (ath_hal_getcapability(_ah, HAL_CAP_PHYCOUNTERS, 0, NULL) == HAL_OK)
 1227 #define ath_hal_hasdiversity(_ah) \
 1228         (ath_hal_getcapability(_ah, HAL_CAP_DIVERSITY, 0, NULL) == HAL_OK)
 1229 #define ath_hal_getdiversity(_ah) \
 1230         (ath_hal_getcapability(_ah, HAL_CAP_DIVERSITY, 1, NULL) == HAL_OK)
 1231 #define ath_hal_setdiversity(_ah, _v) \
 1232         ath_hal_setcapability(_ah, HAL_CAP_DIVERSITY, 1, _v, NULL)
 1233 #define ath_hal_getantennaswitch(_ah) \
 1234         ((*(_ah)->ah_getAntennaSwitch)((_ah)))
 1235 #define ath_hal_setantennaswitch(_ah, _v) \
 1236         ((*(_ah)->ah_setAntennaSwitch)((_ah), (_v)))
 1237 #define ath_hal_getdiag(_ah, _pv) \
 1238         (ath_hal_getcapability(_ah, HAL_CAP_DIAG, 0, _pv) == HAL_OK)
 1239 #define ath_hal_setdiag(_ah, _v) \
 1240         ath_hal_setcapability(_ah, HAL_CAP_DIAG, 0, _v, NULL)
 1241 #define ath_hal_getnumtxqueues(_ah, _pv) \
 1242         (ath_hal_getcapability(_ah, HAL_CAP_NUM_TXQUEUES, 0, _pv) == HAL_OK)
 1243 #define ath_hal_hasveol(_ah) \
 1244         (ath_hal_getcapability(_ah, HAL_CAP_VEOL, 0, NULL) == HAL_OK)
 1245 #define ath_hal_hastxpowlimit(_ah) \
 1246         (ath_hal_getcapability(_ah, HAL_CAP_TXPOW, 0, NULL) == HAL_OK)
 1247 #define ath_hal_settxpowlimit(_ah, _pow) \
 1248         ((*(_ah)->ah_setTxPowerLimit)((_ah), (_pow)))
 1249 #define ath_hal_gettxpowlimit(_ah, _ppow) \
 1250         (ath_hal_getcapability(_ah, HAL_CAP_TXPOW, 1, _ppow) == HAL_OK)
 1251 #define ath_hal_getmaxtxpow(_ah, _ppow) \
 1252         (ath_hal_getcapability(_ah, HAL_CAP_TXPOW, 2, _ppow) == HAL_OK)
 1253 #define ath_hal_gettpscale(_ah, _scale) \
 1254         (ath_hal_getcapability(_ah, HAL_CAP_TXPOW, 3, _scale) == HAL_OK)
 1255 #define ath_hal_settpscale(_ah, _v) \
 1256         ath_hal_setcapability(_ah, HAL_CAP_TXPOW, 3, _v, NULL)
 1257 #define ath_hal_hastpc(_ah) \
 1258         (ath_hal_getcapability(_ah, HAL_CAP_TPC, 0, NULL) == HAL_OK)
 1259 #define ath_hal_gettpc(_ah) \
 1260         (ath_hal_getcapability(_ah, HAL_CAP_TPC, 1, NULL) == HAL_OK)
 1261 #define ath_hal_settpc(_ah, _v) \
 1262         ath_hal_setcapability(_ah, HAL_CAP_TPC, 1, _v, NULL)
 1263 #define ath_hal_hasbursting(_ah) \
 1264         (ath_hal_getcapability(_ah, HAL_CAP_BURST, 0, NULL) == HAL_OK)
 1265 #define ath_hal_setmcastkeysearch(_ah, _v) \
 1266         ath_hal_setcapability(_ah, HAL_CAP_MCAST_KEYSRCH, 0, _v, NULL)
 1267 #define ath_hal_hasmcastkeysearch(_ah) \
 1268         (ath_hal_getcapability(_ah, HAL_CAP_MCAST_KEYSRCH, 0, NULL) == HAL_OK)
 1269 #define ath_hal_getmcastkeysearch(_ah) \
 1270         (ath_hal_getcapability(_ah, HAL_CAP_MCAST_KEYSRCH, 1, NULL) == HAL_OK)
 1271 #define ath_hal_hasfastframes(_ah) \
 1272         (ath_hal_getcapability(_ah, HAL_CAP_FASTFRAME, 0, NULL) == HAL_OK)
 1273 #define ath_hal_hasbssidmask(_ah) \
 1274         (ath_hal_getcapability(_ah, HAL_CAP_BSSIDMASK, 0, NULL) == HAL_OK)
 1275 #define ath_hal_hasbssidmatch(_ah) \
 1276         (ath_hal_getcapability(_ah, HAL_CAP_BSSIDMATCH, 0, NULL) == HAL_OK)
 1277 #define ath_hal_hastsfadjust(_ah) \
 1278         (ath_hal_getcapability(_ah, HAL_CAP_TSF_ADJUST, 0, NULL) == HAL_OK)
 1279 #define ath_hal_gettsfadjust(_ah) \
 1280         (ath_hal_getcapability(_ah, HAL_CAP_TSF_ADJUST, 1, NULL) == HAL_OK)
 1281 #define ath_hal_settsfadjust(_ah, _onoff) \
 1282         ath_hal_setcapability(_ah, HAL_CAP_TSF_ADJUST, 1, _onoff, NULL)
 1283 #define ath_hal_hasrfsilent(_ah) \
 1284         (ath_hal_getcapability(_ah, HAL_CAP_RFSILENT, 0, NULL) == HAL_OK)
 1285 #define ath_hal_getrfkill(_ah) \
 1286         (ath_hal_getcapability(_ah, HAL_CAP_RFSILENT, 1, NULL) == HAL_OK)
 1287 #define ath_hal_setrfkill(_ah, _onoff) \
 1288         ath_hal_setcapability(_ah, HAL_CAP_RFSILENT, 1, _onoff, NULL)
 1289 #define ath_hal_getrfsilent(_ah, _prfsilent) \
 1290         (ath_hal_getcapability(_ah, HAL_CAP_RFSILENT, 2, _prfsilent) == HAL_OK)
 1291 #define ath_hal_setrfsilent(_ah, _rfsilent) \
 1292         ath_hal_setcapability(_ah, HAL_CAP_RFSILENT, 2, _rfsilent, NULL)
 1293 #define ath_hal_gettpack(_ah, _ptpack) \
 1294         (ath_hal_getcapability(_ah, HAL_CAP_TPC_ACK, 0, _ptpack) == HAL_OK)
 1295 #define ath_hal_settpack(_ah, _tpack) \
 1296         ath_hal_setcapability(_ah, HAL_CAP_TPC_ACK, 0, _tpack, NULL)
 1297 #define ath_hal_gettpcts(_ah, _ptpcts) \
 1298         (ath_hal_getcapability(_ah, HAL_CAP_TPC_CTS, 0, _ptpcts) == HAL_OK)
 1299 #define ath_hal_settpcts(_ah, _tpcts) \
 1300         ath_hal_setcapability(_ah, HAL_CAP_TPC_CTS, 0, _tpcts, NULL)
 1301 #define ath_hal_hasintmit(_ah) \
 1302         (ath_hal_getcapability(_ah, HAL_CAP_INTMIT, \
 1303         HAL_CAP_INTMIT_PRESENT, NULL) == HAL_OK)
 1304 #define ath_hal_getintmit(_ah) \
 1305         (ath_hal_getcapability(_ah, HAL_CAP_INTMIT, \
 1306         HAL_CAP_INTMIT_ENABLE, NULL) == HAL_OK)
 1307 #define ath_hal_setintmit(_ah, _v) \
 1308         ath_hal_setcapability(_ah, HAL_CAP_INTMIT, \
 1309         HAL_CAP_INTMIT_ENABLE, _v, NULL)
 1310 #define ath_hal_hasmybeacon(_ah) \
 1311         (ath_hal_getcapability(_ah, HAL_CAP_DO_MYBEACON, 1, NULL) == HAL_OK)
 1312 
 1313 #define ath_hal_hasenforcetxop(_ah) \
 1314         (ath_hal_getcapability(_ah, HAL_CAP_ENFORCE_TXOP, 0, NULL) == HAL_OK)
 1315 #define ath_hal_getenforcetxop(_ah) \
 1316         (ath_hal_getcapability(_ah, HAL_CAP_ENFORCE_TXOP, 1, NULL) == HAL_OK)
 1317 #define ath_hal_setenforcetxop(_ah, _v) \
 1318         ath_hal_setcapability(_ah, HAL_CAP_ENFORCE_TXOP, 1, _v, NULL)
 1319 
 1320 #define ath_hal_hasrxlnamixer(_ah) \
 1321         (ath_hal_getcapability(_ah, HAL_CAP_RX_LNA_MIXING, 0, NULL) == HAL_OK)
 1322 
 1323 #define ath_hal_hasdivantcomb(_ah) \
 1324         (ath_hal_getcapability(_ah, HAL_CAP_ANT_DIV_COMB, 0, NULL) == HAL_OK)
 1325 #define ath_hal_hasldpc(_ah) \
 1326         (ath_hal_getcapability(_ah, HAL_CAP_LDPC, 0, NULL) == HAL_OK)
 1327 #define ath_hal_hasldpcwar(_ah) \
 1328         (ath_hal_getcapability(_ah, HAL_CAP_LDPCWAR, 0, NULL) == HAL_OK)
 1329 
 1330 /* EDMA definitions */
 1331 #define ath_hal_hasedma(_ah) \
 1332         (ath_hal_getcapability(_ah, HAL_CAP_ENHANCED_DMA_SUPPORT,       \
 1333         0, NULL) == HAL_OK)
 1334 #define ath_hal_getrxfifodepth(_ah, _qtype, _req) \
 1335         (ath_hal_getcapability(_ah, HAL_CAP_RXFIFODEPTH, _qtype, _req)  \
 1336         == HAL_OK)
 1337 #define ath_hal_getntxmaps(_ah, _req) \
 1338         (ath_hal_getcapability(_ah, HAL_CAP_NUM_TXMAPS, 0, _req)        \
 1339         == HAL_OK)
 1340 #define ath_hal_gettxdesclen(_ah, _req) \
 1341         (ath_hal_getcapability(_ah, HAL_CAP_TXDESCLEN, 0, _req)         \
 1342         == HAL_OK)
 1343 #define ath_hal_gettxstatuslen(_ah, _req) \
 1344         (ath_hal_getcapability(_ah, HAL_CAP_TXSTATUSLEN, 0, _req)       \
 1345         == HAL_OK)
 1346 #define ath_hal_getrxstatuslen(_ah, _req) \
 1347         (ath_hal_getcapability(_ah, HAL_CAP_RXSTATUSLEN, 0, _req)       \
 1348         == HAL_OK)
 1349 #define ath_hal_setrxbufsize(_ah, _req) \
 1350         (ath_hal_setcapability(_ah, HAL_CAP_RXBUFSIZE, 0, _req, NULL)   \
 1351         == HAL_OK)
 1352 
 1353 #define ath_hal_getchannoise(_ah, _c) \
 1354         ((*(_ah)->ah_getChanNoise)((_ah), (_c)))
 1355 
 1356 /* 802.11n HAL methods */
 1357 #define ath_hal_getrxchainmask(_ah, _prxchainmask) \
 1358         (ath_hal_getcapability(_ah, HAL_CAP_RX_CHAINMASK, 0, _prxchainmask))
 1359 #define ath_hal_gettxchainmask(_ah, _ptxchainmask) \
 1360         (ath_hal_getcapability(_ah, HAL_CAP_TX_CHAINMASK, 0, _ptxchainmask))
 1361 #define ath_hal_setrxchainmask(_ah, _rx) \
 1362         (ath_hal_setcapability(_ah, HAL_CAP_RX_CHAINMASK, 1, _rx, NULL))
 1363 #define ath_hal_settxchainmask(_ah, _tx) \
 1364         (ath_hal_setcapability(_ah, HAL_CAP_TX_CHAINMASK, 1, _tx, NULL))
 1365 #define ath_hal_split4ktrans(_ah) \
 1366         (ath_hal_getcapability(_ah, HAL_CAP_SPLIT_4KB_TRANS, \
 1367         0, NULL) == HAL_OK)
 1368 #define ath_hal_self_linked_final_rxdesc(_ah) \
 1369         (ath_hal_getcapability(_ah, HAL_CAP_RXDESC_SELFLINK, \
 1370         0, NULL) == HAL_OK)
 1371 #define ath_hal_gtxto_supported(_ah) \
 1372         (ath_hal_getcapability(_ah, HAL_CAP_GTXTO, 0, NULL) == HAL_OK)
 1373 #define ath_hal_has_long_rxdesc_tsf(_ah) \
 1374         (ath_hal_getcapability(_ah, HAL_CAP_LONG_RXDESC_TSF, \
 1375         0, NULL) == HAL_OK)
 1376 #define ath_hal_setuprxdesc(_ah, _ds, _size, _intreq) \
 1377         ((*(_ah)->ah_setupRxDesc)((_ah), (_ds), (_size), (_intreq)))
 1378 #define ath_hal_rxprocdesc(_ah, _ds, _dspa, _dsnext, _rs) \
 1379         ((*(_ah)->ah_procRxDesc)((_ah), (_ds), (_dspa), (_dsnext), 0, (_rs)))
 1380 #define ath_hal_setuptxdesc(_ah, _ds, _plen, _hlen, _atype, _txpow, \
 1381                 _txr0, _txtr0, _keyix, _ant, _flags, \
 1382                 _rtsrate, _rtsdura) \
 1383         ((*(_ah)->ah_setupTxDesc)((_ah), (_ds), (_plen), (_hlen), (_atype), \
 1384                 (_txpow), (_txr0), (_txtr0), (_keyix), (_ant), \
 1385                 (_flags), (_rtsrate), (_rtsdura), 0, 0, 0))
 1386 #define ath_hal_setupxtxdesc(_ah, _ds, \
 1387                 _txr1, _txtr1, _txr2, _txtr2, _txr3, _txtr3) \
 1388         ((*(_ah)->ah_setupXTxDesc)((_ah), (_ds), \
 1389                 (_txr1), (_txtr1), (_txr2), (_txtr2), (_txr3), (_txtr3)))
 1390 #define ath_hal_filltxdesc(_ah, _ds, _b, _l, _did, _qid, _first, _last, _ds0) \
 1391         ((*(_ah)->ah_fillTxDesc)((_ah), (_ds), (_b), (_l), (_did), (_qid), \
 1392                 (_first), (_last), (_ds0)))
 1393 #define ath_hal_txprocdesc(_ah, _ds, _ts) \
 1394         ((*(_ah)->ah_procTxDesc)((_ah), (_ds), (_ts)))
 1395 #define ath_hal_gettxintrtxqs(_ah, _txqs) \
 1396         ((*(_ah)->ah_getTxIntrQueue)((_ah), (_txqs)))
 1397 #define ath_hal_gettxcompletionrates(_ah, _ds, _rates, _tries) \
 1398         ((*(_ah)->ah_getTxCompletionRates)((_ah), (_ds), (_rates), (_tries)))
 1399 #define ath_hal_settxdesclink(_ah, _ds, _link) \
 1400         ((*(_ah)->ah_setTxDescLink)((_ah), (_ds), (_link)))
 1401 #define ath_hal_gettxdesclink(_ah, _ds, _link) \
 1402         ((*(_ah)->ah_getTxDescLink)((_ah), (_ds), (_link)))
 1403 #define ath_hal_gettxdesclinkptr(_ah, _ds, _linkptr) \
 1404         ((*(_ah)->ah_getTxDescLinkPtr)((_ah), (_ds), (_linkptr)))
 1405 #define ath_hal_setuptxstatusring(_ah, _tsstart, _tspstart, _size) \
 1406         ((*(_ah)->ah_setupTxStatusRing)((_ah), (_tsstart), (_tspstart), \
 1407                 (_size)))
 1408 #define ath_hal_gettxrawtxdesc(_ah, _txstatus) \
 1409         ((*(_ah)->ah_getTxRawTxDesc)((_ah), (_txstatus)))
 1410 
 1411 #define ath_hal_setupfirsttxdesc(_ah, _ds, _aggrlen, _flags, _txpower, \
 1412                 _txr0, _txtr0, _antm, _rcr, _rcd) \
 1413         ((*(_ah)->ah_setupFirstTxDesc)((_ah), (_ds), (_aggrlen), (_flags), \
 1414         (_txpower), (_txr0), (_txtr0), (_antm), (_rcr), (_rcd)))
 1415 #define ath_hal_chaintxdesc(_ah, _ds, _bl, _sl, _pktlen, _hdrlen, _type, \
 1416         _keyix, _cipher, _delims, _first, _last, _lastaggr) \
 1417         ((*(_ah)->ah_chainTxDesc)((_ah), (_ds), (_bl), (_sl), \
 1418         (_pktlen), (_hdrlen), (_type), (_keyix), (_cipher), (_delims), \
 1419         (_first), (_last), (_lastaggr)))
 1420 #define ath_hal_setuplasttxdesc(_ah, _ds, _ds0) \
 1421         ((*(_ah)->ah_setupLastTxDesc)((_ah), (_ds), (_ds0)))
 1422 
 1423 #define ath_hal_set11nratescenario(_ah, _ds, _dur, _rt, _series, _ns, _flags) \
 1424         ((*(_ah)->ah_set11nRateScenario)((_ah), (_ds), (_dur), (_rt), \
 1425         (_series), (_ns), (_flags)))
 1426 
 1427 #define ath_hal_set11n_aggr_first(_ah, _ds, _len, _num) \
 1428         ((*(_ah)->ah_set11nAggrFirst)((_ah), (_ds), (_len), (_num)))
 1429 #define ath_hal_set11n_aggr_middle(_ah, _ds, _num) \
 1430         ((*(_ah)->ah_set11nAggrMiddle)((_ah), (_ds), (_num)))
 1431 #define ath_hal_set11n_aggr_last(_ah, _ds) \
 1432         ((*(_ah)->ah_set11nAggrLast)((_ah), (_ds)))
 1433 
 1434 #define ath_hal_set11nburstduration(_ah, _ds, _dur) \
 1435         ((*(_ah)->ah_set11nBurstDuration)((_ah), (_ds), (_dur)))
 1436 #define ath_hal_clr11n_aggr(_ah, _ds) \
 1437         ((*(_ah)->ah_clr11nAggr)((_ah), (_ds)))
 1438 #define ath_hal_set11n_virtmorefrag(_ah, _ds, _v) \
 1439         ((*(_ah)->ah_set11nVirtMoreFrag)((_ah), (_ds), (_v)))
 1440 
 1441 #define ath_hal_gpioCfgOutput(_ah, _gpio, _type) \
 1442         ((*(_ah)->ah_gpioCfgOutput)((_ah), (_gpio), (_type)))
 1443 #define ath_hal_gpioset(_ah, _gpio, _b) \
 1444         ((*(_ah)->ah_gpioSet)((_ah), (_gpio), (_b)))
 1445 #define ath_hal_gpioget(_ah, _gpio) \
 1446         ((*(_ah)->ah_gpioGet)((_ah), (_gpio)))
 1447 #define ath_hal_gpiosetintr(_ah, _gpio, _b) \
 1448         ((*(_ah)->ah_gpioSetIntr)((_ah), (_gpio), (_b)))
 1449 
 1450 /*
 1451  * PCIe suspend/resume/poweron/poweroff related macros
 1452  */
 1453 #define ath_hal_enablepcie(_ah, _restore, _poweroff) \
 1454         ((*(_ah)->ah_configPCIE)((_ah), (_restore), (_poweroff)))
 1455 #define ath_hal_disablepcie(_ah) \
 1456         ((*(_ah)->ah_disablePCIE)((_ah)))
 1457 
 1458 /*
 1459  * This is badly-named; you need to set the correct parameters
 1460  * to begin to receive useful radar events; and even then
 1461  * it doesn't "enable" DFS. See the ath_dfs/null/ module for
 1462  * more information.
 1463  */
 1464 #define ath_hal_enabledfs(_ah, _param) \
 1465         ((*(_ah)->ah_enableDfs)((_ah), (_param)))
 1466 #define ath_hal_getdfsthresh(_ah, _param) \
 1467         ((*(_ah)->ah_getDfsThresh)((_ah), (_param)))
 1468 #define ath_hal_getdfsdefaultthresh(_ah, _param) \
 1469         ((*(_ah)->ah_getDfsDefaultThresh)((_ah), (_param)))
 1470 #define ath_hal_procradarevent(_ah, _rxs, _fulltsf, _buf, _event) \
 1471         ((*(_ah)->ah_procRadarEvent)((_ah), (_rxs), (_fulltsf), \
 1472         (_buf), (_event)))
 1473 #define ath_hal_is_fast_clock_enabled(_ah) \
 1474         ((*(_ah)->ah_isFastClockEnabled)((_ah)))
 1475 #define ath_hal_radar_wait(_ah, _chan) \
 1476         ((*(_ah)->ah_radarWait)((_ah), (_chan)))
 1477 #define ath_hal_get_mib_cycle_counts(_ah, _sample) \
 1478         ((*(_ah)->ah_getMibCycleCounts)((_ah), (_sample)))
 1479 #define ath_hal_get_chan_ext_busy(_ah) \
 1480         ((*(_ah)->ah_get11nExtBusy)((_ah)))
 1481 #define ath_hal_setchainmasks(_ah, _txchainmask, _rxchainmask) \
 1482         ((*(_ah)->ah_setChainMasks)((_ah), (_txchainmask), (_rxchainmask)))
 1483 
 1484 #define ath_hal_spectral_supported(_ah) \
 1485         (ath_hal_getcapability(_ah, HAL_CAP_SPECTRAL_SCAN, 0, NULL) == HAL_OK)
 1486 #define ath_hal_spectral_get_config(_ah, _p) \
 1487         ((*(_ah)->ah_spectralGetConfig)((_ah), (_p)))
 1488 #define ath_hal_spectral_configure(_ah, _p) \
 1489         ((*(_ah)->ah_spectralConfigure)((_ah), (_p)))
 1490 #define ath_hal_spectral_start(_ah) \
 1491         ((*(_ah)->ah_spectralStart)((_ah)))
 1492 #define ath_hal_spectral_stop(_ah) \
 1493         ((*(_ah)->ah_spectralStop)((_ah)))
 1494 
 1495 #define ath_hal_btcoex_supported(_ah) \
 1496         (ath_hal_getcapability(_ah, HAL_CAP_BT_COEX, 0, NULL) == HAL_OK)
 1497 #define ath_hal_btcoex_set_info(_ah, _info) \
 1498         ((*(_ah)->ah_btCoexSetInfo)((_ah), (_info)))
 1499 #define ath_hal_btcoex_set_config(_ah, _cfg) \
 1500         ((*(_ah)->ah_btCoexSetConfig)((_ah), (_cfg)))
 1501 #define ath_hal_btcoex_set_qcu_thresh(_ah, _qcuid) \
 1502         ((*(_ah)->ah_btCoexSetQcuThresh)((_ah), (_qcuid)))
 1503 #define ath_hal_btcoex_set_weights(_ah, _weight) \
 1504         ((*(_ah)->ah_btCoexSetWeights)((_ah), (_weight)))
 1505 #define ath_hal_btcoex_set_bmiss_thresh(_ah, _thr) \
 1506         ((*(_ah)->ah_btCoexSetBmissThresh)((_ah), (_thr)))
 1507 #define ath_hal_btcoex_set_parameter(_ah, _attrib, _val) \
 1508         ((*(_ah)->ah_btCoexSetParameter)((_ah), (_attrib), (_val)))
 1509 #define ath_hal_btcoex_enable(_ah) \
 1510         ((*(_ah)->ah_btCoexEnable)((_ah)))
 1511 #define ath_hal_btcoex_disable(_ah) \
 1512         ((*(_ah)->ah_btCoexDisable)((_ah)))
 1513 
 1514 #define ath_hal_btcoex_mci_setup(_ah, _gp, _gb, _gl, _sp) \
 1515         ((*(_ah)->ah_btMciSetup)((_ah), (_gp), (_gb), (_gl), (_sp)))
 1516 #define ath_hal_btcoex_mci_send_message(_ah, _h, _f, _p, _l, _wd, _cbt) \
 1517         ((*(_ah)->ah_btMciSendMessage)((_ah), (_h), (_f), (_p), (_l), (_wd), (_cbt)))
 1518 #define ath_hal_btcoex_mci_get_interrupt(_ah, _mi, _mm) \
 1519         ((*(_ah)->ah_btMciGetInterrupt)((_ah), (_mi), (_mm)))
 1520 #define ath_hal_btcoex_mci_state(_ah, _st, _pd) \
 1521         ((*(_ah)->ah_btMciState)((_ah), (_st), (_pd)))
 1522 #define ath_hal_btcoex_mci_detach(_ah) \
 1523         ((*(_ah)->ah_btMciDetach)((_ah)))
 1524 
 1525 #define ath_hal_div_comb_conf_get(_ah, _conf) \
 1526         ((*(_ah)->ah_divLnaConfGet)((_ah), (_conf)))
 1527 #define ath_hal_div_comb_conf_set(_ah, _conf) \
 1528         ((*(_ah)->ah_divLnaConfSet)((_ah), (_conf)))
 1529 
 1530 #endif /* _DEV_ATH_ATHVAR_H */

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