The Design and Implementation of the FreeBSD Operating System, Second Edition
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FreeBSD/Linux Kernel Cross Reference
sys/dev/cxgb/cxgb_adapter.h

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    1 /**************************************************************************
    2 
    3 Copyright (c) 2007-2009, Chelsio Inc.
    4 All rights reserved.
    5 
    6 Redistribution and use in source and binary forms, with or without
    7 modification, are permitted provided that the following conditions are met:
    8 
    9  1. Redistributions of source code must retain the above copyright notice,
   10     this list of conditions and the following disclaimer.
   11 
   12  2. Neither the name of the Chelsio Corporation nor the names of its
   13     contributors may be used to endorse or promote products derived from
   14     this software without specific prior written permission.
   15 
   16 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   17 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   18 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   19 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
   20 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   21 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   22 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   23 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   24 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   25 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   26 POSSIBILITY OF SUCH DAMAGE.
   27 
   28 
   29 $FreeBSD: releng/7.4/sys/dev/cxgb/cxgb_adapter.h 211858 2010-08-27 02:46:21Z np $
   30 
   31 
   32 ***************************************************************************/
   33 
   34 
   35 #ifndef _CXGB_ADAPTER_H_
   36 #define _CXGB_ADAPTER_H_
   37 
   38 #include <sys/lock.h>
   39 #include <sys/mutex.h>
   40 #include <sys/rman.h>
   41 #include <sys/mbuf.h>
   42 #include <sys/socket.h>
   43 #include <sys/sockio.h>
   44 #include <sys/condvar.h>
   45 
   46 #include <net/ethernet.h>
   47 #include <net/if.h>
   48 #include <net/if_media.h>
   49 #include <net/if_dl.h>
   50 #include <netinet/tcp_lro.h>
   51 
   52 #include <machine/bus.h>
   53 #include <machine/resource.h>
   54 
   55 #include <sys/bus_dma.h>
   56 #include <dev/pci/pcireg.h>
   57 #include <dev/pci/pcivar.h>
   58 
   59 
   60 #ifdef CONFIG_DEFINED
   61 #include <cxgb_osdep.h>
   62 #include <t3cdev.h>
   63 #include <ulp/toecore/cxgb_toedev.h>
   64 #include <sys/mbufq.h>
   65 #else
   66 #include <dev/cxgb/cxgb_osdep.h>
   67 #include <dev/cxgb/t3cdev.h>
   68 #include <dev/cxgb/sys/mbufq.h>
   69 #include <dev/cxgb/ulp/toecore/cxgb_toedev.h>
   70 #endif
   71 
   72 struct adapter;
   73 struct sge_qset;
   74 extern int cxgb_debug;
   75 
   76 #ifdef DEBUG_LOCKING
   77 #define MTX_INIT(lock, lockname, class, flags) \
   78         do { \
   79                 printf("initializing %s at %s:%d\n", lockname, __FILE__, __LINE__); \
   80                 mtx_init((lock), lockname, class, flags);               \
   81         } while (0)
   82 
   83 #define MTX_DESTROY(lock) \
   84         do { \
   85                 printf("destroying %s at %s:%d\n", (lock)->lock_object.lo_name, __FILE__, __LINE__); \
   86                 mtx_destroy((lock));                                    \
   87         } while (0)
   88 
   89 #else
   90 #define MTX_INIT mtx_init
   91 #define MTX_DESTROY mtx_destroy
   92 #endif
   93 
   94 enum {
   95         LF_NO = 0,
   96         LF_MAYBE,
   97         LF_YES
   98 };
   99 
  100 struct port_info {
  101         struct adapter  *adapter;
  102         struct ifnet    *ifp;
  103         int             if_flags;
  104         int             flags;
  105         const struct port_type_info *port_type;
  106         struct cphy     phy;
  107         struct cmac     mac;
  108         struct link_config link_config;
  109         struct ifmedia  media;
  110         struct mtx      lock;
  111         uint32_t        port_id;
  112         uint32_t        tx_chan;
  113         uint32_t        txpkt_intf;
  114         uint32_t        first_qset;
  115         uint32_t        nqsets;
  116         int             link_fault;
  117 
  118         uint8_t         hw_addr[ETHER_ADDR_LEN];
  119         struct callout  link_check_ch;
  120         struct task     link_check_task;
  121         struct task     timer_reclaim_task;
  122         struct cdev     *port_cdev;
  123 
  124 #define PORT_LOCK_NAME_LEN 32
  125 #define PORT_NAME_LEN 32
  126         char            lockbuf[PORT_LOCK_NAME_LEN];
  127         char            namebuf[PORT_NAME_LEN];
  128 };
  129 
  130 enum {
  131         /* adapter flags */
  132         FULL_INIT_DONE  = (1 << 0),
  133         USING_MSI       = (1 << 1),
  134         USING_MSIX      = (1 << 2),
  135         QUEUES_BOUND    = (1 << 3),
  136         FW_UPTODATE     = (1 << 4),
  137         TPS_UPTODATE    = (1 << 5),
  138         CXGB_SHUTDOWN   = (1 << 6),
  139         CXGB_OFLD_INIT  = (1 << 7),
  140         TP_PARITY_INIT  = (1 << 8),
  141         CXGB_BUSY       = (1 << 9),
  142 
  143         /* port flags */
  144         DOOMED          = (1 << 0),
  145 };
  146 #define IS_DOOMED(p)    (p->flags & DOOMED)
  147 #define SET_DOOMED(p)   do {p->flags |= DOOMED;} while (0)
  148 #define IS_BUSY(sc)     (sc->flags & CXGB_BUSY)
  149 #define SET_BUSY(sc)    do {sc->flags |= CXGB_BUSY;} while (0)
  150 #define CLR_BUSY(sc)    do {sc->flags &= ~CXGB_BUSY;} while (0)
  151 
  152 #define FL_Q_SIZE       4096
  153 #define JUMBO_Q_SIZE    1024
  154 #define RSPQ_Q_SIZE     2048
  155 #define TX_ETH_Q_SIZE   1024
  156 
  157 enum { TXQ_ETH = 0,
  158        TXQ_OFLD = 1,
  159        TXQ_CTRL = 2, };
  160 
  161 
  162 /* 
  163  * work request size in bytes
  164  */
  165 #define WR_LEN (WR_FLITS * 8)
  166 #define PIO_LEN (WR_LEN - sizeof(struct cpl_tx_pkt_lso))
  167 
  168 struct lro_state {
  169         unsigned short enabled;
  170         struct lro_ctrl ctrl;
  171 };
  172 
  173 #define RX_BUNDLE_SIZE 8
  174 
  175 struct rsp_desc;
  176 
  177 struct sge_rspq {
  178         uint32_t        credits;
  179         uint32_t        size;
  180         uint32_t        cidx;
  181         uint32_t        gen;
  182         uint32_t        polling;
  183         uint32_t        holdoff_tmr;
  184         uint32_t        next_holdoff;
  185         uint32_t        imm_data;
  186         uint32_t        async_notif;
  187         uint32_t        cntxt_id;
  188         uint32_t        offload_pkts;
  189         uint32_t        offload_bundles;
  190         uint32_t        pure_rsps;
  191         uint32_t        unhandled_irqs;
  192         uint32_t        starved;
  193 
  194         bus_addr_t      phys_addr;
  195         bus_dma_tag_t   desc_tag;
  196         bus_dmamap_t    desc_map;
  197 
  198         struct t3_mbuf_hdr rspq_mh;
  199         struct rsp_desc *desc;
  200         struct mtx      lock;
  201 #define RSPQ_NAME_LEN  32
  202         char            lockbuf[RSPQ_NAME_LEN];
  203         uint32_t        rspq_dump_start;
  204         uint32_t        rspq_dump_count;
  205 };
  206 
  207 #ifndef DISABLE_MBUF_IOVEC
  208 #define rspq_mbuf rspq_mh.mh_head
  209 #endif
  210 
  211 struct rx_desc;
  212 struct rx_sw_desc;
  213 
  214 struct sge_fl {
  215         uint32_t        buf_size;
  216         uint32_t        credits;
  217         uint32_t        size;
  218         uint32_t        cidx;
  219         uint32_t        pidx;
  220         uint32_t        gen;
  221         bus_addr_t      phys_addr;
  222         uint32_t        cntxt_id;
  223         uint32_t        empty;
  224         bus_dma_tag_t   desc_tag;
  225         bus_dmamap_t    desc_map;
  226         bus_dma_tag_t   entry_tag;
  227         uma_zone_t      zone;
  228         struct rx_desc  *desc;
  229         struct rx_sw_desc *sdesc;
  230         int             type;
  231 };
  232 
  233 struct tx_desc;
  234 struct tx_sw_desc;
  235 
  236 #define TXQ_TRANSMITTING    0x1
  237 
  238 struct sge_txq {
  239         uint64_t        flags;
  240         uint32_t        in_use;
  241         uint32_t        size;
  242         uint32_t        processed;
  243         uint32_t        cleaned;
  244         uint32_t        stop_thres;
  245         uint32_t        cidx;
  246         uint32_t        pidx;
  247         uint32_t        gen;
  248         uint32_t        unacked;
  249         struct tx_desc  *desc;
  250         struct tx_sw_desc *sdesc;
  251         uint32_t        token;
  252         bus_addr_t      phys_addr;
  253         struct task     qresume_task;
  254         struct task     qreclaim_task;
  255         struct port_info *port;
  256         uint32_t        cntxt_id;
  257         uint64_t        stops;
  258         uint64_t        restarts;
  259         bus_dma_tag_t   desc_tag;
  260         bus_dmamap_t    desc_map;
  261         bus_dma_tag_t   entry_tag;
  262         struct mbuf_head sendq;
  263         /*
  264          * cleanq should really be an buf_ring to avoid extra
  265          * mbuf touches
  266          */
  267         struct mbuf_head cleanq;        
  268         struct buf_ring txq_mr;
  269         struct mbuf     *immpkt;
  270         uint32_t        txq_drops;
  271         uint32_t        txq_skipped;
  272         uint32_t        txq_coalesced;
  273         uint32_t        txq_enqueued;
  274         uint32_t        txq_dump_start;
  275         uint32_t        txq_dump_count;
  276         unsigned long   txq_frees;
  277         struct mtx      lock;
  278         struct sg_ent  txq_sgl[TX_MAX_SEGS / 2 + 1];
  279         #define TXQ_NAME_LEN  32
  280         char            lockbuf[TXQ_NAME_LEN];
  281 };
  282         
  283 
  284 enum {
  285         SGE_PSTAT_TSO,              /* # of TSO requests */
  286         SGE_PSTAT_RX_CSUM_GOOD,     /* # of successful RX csum offloads */
  287         SGE_PSTAT_TX_CSUM,          /* # of TX checksum offloads */
  288         SGE_PSTAT_VLANEX,           /* # of VLAN tag extractions */
  289         SGE_PSTAT_VLANINS,          /* # of VLAN tag insertions */
  290 };
  291 
  292 #define SGE_PSTAT_MAX (SGE_PSTAT_VLANINS+1)
  293 
  294 #define QS_EXITING              0x1
  295 #define QS_RUNNING              0x2
  296 #define QS_BOUND                0x4
  297 
  298 struct sge_qset {
  299         struct sge_rspq         rspq;
  300         struct sge_fl           fl[SGE_RXQ_PER_SET];
  301         struct lro_state        lro;
  302         struct sge_txq          txq[SGE_TXQ_PER_SET];
  303         uint32_t                txq_stopped;       /* which Tx queues are stopped */
  304         uint64_t                port_stats[SGE_PSTAT_MAX];
  305         struct port_info        *port;
  306         int                     idx; /* qset # */
  307         int                     qs_cpuid;
  308         int                     qs_flags;
  309         struct cv               qs_cv;
  310         struct mtx              qs_mtx;
  311 #define QS_NAME_LEN 32
  312         char                    namebuf[QS_NAME_LEN];
  313 };
  314 
  315 struct sge {
  316         struct sge_qset         qs[SGE_QSETS];
  317         struct mtx              reg_lock;
  318 };
  319 
  320 struct filter_info;
  321 
  322 struct adapter {
  323         device_t                dev;
  324         int                     flags;
  325         TAILQ_ENTRY(adapter)    adapter_entry;
  326 
  327         /* PCI register resources */
  328         int                     regs_rid;
  329         struct resource         *regs_res;
  330         int                     udbs_rid;
  331         struct resource         *udbs_res;
  332         bus_space_handle_t      bh;
  333         bus_space_tag_t         bt;
  334         bus_size_t              mmio_len;
  335         uint32_t                link_width;
  336         
  337         /* DMA resources */
  338         bus_dma_tag_t           parent_dmat;
  339         bus_dma_tag_t           rx_dmat;
  340         bus_dma_tag_t           rx_jumbo_dmat;
  341         bus_dma_tag_t           tx_dmat;
  342 
  343         /* Interrupt resources */
  344         struct resource         *irq_res;
  345         int                     irq_rid;
  346         void                    *intr_tag;
  347 
  348         uint32_t                msix_regs_rid;
  349         struct resource         *msix_regs_res;
  350 
  351         struct resource         *msix_irq_res[SGE_QSETS];
  352         int                     msix_irq_rid[SGE_QSETS];
  353         void                    *msix_intr_tag[SGE_QSETS];
  354         uint8_t                 rxpkt_map[8]; /* maps RX_PKT interface values to port ids */
  355         uint8_t                 rrss_map[SGE_QSETS]; /* revers RSS map table */
  356         uint16_t                rspq_map[RSS_TABLE_SIZE];     /* maps 7-bit cookie to qidx */
  357         union {
  358                 uint8_t                 fill[SGE_QSETS];
  359                 uint64_t                coalesce;
  360         } u;
  361 
  362 #define tunq_fill u.fill
  363 #define tunq_coalesce u.coalesce
  364         
  365         struct filter_info      *filters;
  366         
  367         /* Tasks */
  368         struct task             slow_intr_task;
  369         struct task             tick_task;
  370         struct taskqueue        *tq;
  371         struct callout          cxgb_tick_ch;
  372         struct callout          sge_timer_ch;
  373 
  374         /* Register lock for use by the hardware layer */
  375         struct mtx              mdio_lock;
  376         struct mtx              elmer_lock;
  377 
  378         /* Bookkeeping for the hardware layer */
  379         struct adapter_params  params;
  380         unsigned int slow_intr_mask;
  381         unsigned long irq_stats[IRQ_NUM_STATS];
  382 
  383         struct sge              sge;
  384         struct mc7              pmrx;
  385         struct mc7              pmtx;
  386         struct mc7              cm;
  387         struct mc5              mc5;
  388 
  389         struct port_info        port[MAX_NPORTS];
  390         device_t                portdev[MAX_NPORTS];
  391         struct t3cdev           tdev;
  392         char                    fw_version[64];
  393         char                    port_types[MAX_NPORTS + 1];
  394         uint32_t                open_device_map;
  395         uint32_t                registered_device_map;
  396         struct mtx              lock;
  397         driver_intr_t           *cxgb_intr;
  398         int                     msi_count;
  399 
  400 #define ADAPTER_LOCK_NAME_LEN   32
  401         char                    lockbuf[ADAPTER_LOCK_NAME_LEN];
  402         char                    reglockbuf[ADAPTER_LOCK_NAME_LEN];
  403         char                    mdiolockbuf[ADAPTER_LOCK_NAME_LEN];
  404         char                    elmerlockbuf[ADAPTER_LOCK_NAME_LEN];
  405 };
  406 
  407 struct t3_rx_mode {
  408         
  409         uint32_t                idx;
  410         struct port_info        *port;
  411 };
  412 
  413 
  414 #define MDIO_LOCK(adapter)      mtx_lock(&(adapter)->mdio_lock)
  415 #define MDIO_UNLOCK(adapter)    mtx_unlock(&(adapter)->mdio_lock)
  416 #define ELMR_LOCK(adapter)      mtx_lock(&(adapter)->elmer_lock)
  417 #define ELMR_UNLOCK(adapter)    mtx_unlock(&(adapter)->elmer_lock)
  418 
  419 
  420 #define PORT_LOCK(port)              mtx_lock(&(port)->lock);
  421 #define PORT_UNLOCK(port)            mtx_unlock(&(port)->lock);
  422 #define PORT_LOCK_INIT(port, name)   mtx_init(&(port)->lock, name, 0, MTX_DEF)
  423 #define PORT_LOCK_DEINIT(port)       mtx_destroy(&(port)->lock)
  424 #define PORT_LOCK_ASSERT_NOTOWNED(port) mtx_assert(&(port)->lock, MA_NOTOWNED)
  425 #define PORT_LOCK_ASSERT_OWNED(port) mtx_assert(&(port)->lock, MA_OWNED)
  426 
  427 #define ADAPTER_LOCK(adap)      mtx_lock(&(adap)->lock);
  428 #define ADAPTER_UNLOCK(adap)    mtx_unlock(&(adap)->lock);
  429 #define ADAPTER_LOCK_INIT(adap, name) mtx_init(&(adap)->lock, name, 0, MTX_DEF)
  430 #define ADAPTER_LOCK_DEINIT(adap) mtx_destroy(&(adap)->lock)
  431 #define ADAPTER_LOCK_ASSERT_NOTOWNED(adap) mtx_assert(&(adap)->lock, MA_NOTOWNED)
  432 #define ADAPTER_LOCK_ASSERT_OWNED(adap) mtx_assert(&(adap)->lock, MA_OWNED)
  433 
  434 
  435 static __inline uint32_t
  436 t3_read_reg(adapter_t *adapter, uint32_t reg_addr)
  437 {
  438         return (bus_space_read_4(adapter->bt, adapter->bh, reg_addr));
  439 }
  440 
  441 static __inline void
  442 t3_write_reg(adapter_t *adapter, uint32_t reg_addr, uint32_t val)
  443 {
  444         bus_space_write_4(adapter->bt, adapter->bh, reg_addr, val);
  445 }
  446 
  447 static __inline void
  448 t3_os_pci_read_config_4(adapter_t *adapter, int reg, uint32_t *val)
  449 {
  450         *val = pci_read_config(adapter->dev, reg, 4);
  451 }
  452 
  453 static __inline void
  454 t3_os_pci_write_config_4(adapter_t *adapter, int reg, uint32_t val)
  455 {
  456         pci_write_config(adapter->dev, reg, val, 4);
  457 }
  458 
  459 static __inline void
  460 t3_os_pci_read_config_2(adapter_t *adapter, int reg, uint16_t *val)
  461 {
  462         *val = pci_read_config(adapter->dev, reg, 2);
  463 }
  464 
  465 static __inline void
  466 t3_os_pci_write_config_2(adapter_t *adapter, int reg, uint16_t val)
  467 {
  468         pci_write_config(adapter->dev, reg, val, 2);
  469 }
  470 
  471 static __inline uint8_t *
  472 t3_get_next_mcaddr(struct t3_rx_mode *rm)
  473 {
  474         uint8_t *macaddr = NULL;
  475         struct ifnet *ifp = rm->port->ifp;
  476         struct ifmultiaddr *ifma;
  477         int i = 0;
  478 
  479         IF_ADDR_LOCK(ifp);
  480         TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {
  481                 if (ifma->ifma_addr->sa_family != AF_LINK)
  482                         continue;
  483                 if (i == rm->idx) {
  484                         macaddr = LLADDR((struct sockaddr_dl *)ifma->ifma_addr);
  485                         break;
  486                 }
  487                 i++;
  488         }
  489         IF_ADDR_UNLOCK(ifp);
  490 
  491         
  492         rm->idx++;
  493         return (macaddr);
  494 }
  495 
  496 static __inline void
  497 t3_init_rx_mode(struct t3_rx_mode *rm, struct port_info *port)
  498 {
  499         rm->idx = 0;
  500         rm->port = port;
  501 }
  502 
  503 static __inline struct port_info *
  504 adap2pinfo(struct adapter *adap, int idx)
  505 {
  506         return &adap->port[idx];
  507 }
  508 
  509 int t3_os_find_pci_capability(adapter_t *adapter, int cap);
  510 int t3_os_pci_save_state(struct adapter *adapter);
  511 int t3_os_pci_restore_state(struct adapter *adapter);
  512 void t3_os_link_intr(struct port_info *);
  513 void t3_os_link_changed(adapter_t *adapter, int port_id, int link_status,
  514                         int speed, int duplex, int fc, int mac_was_reset);
  515 void t3_os_phymod_changed(struct adapter *adap, int port_id);
  516 void t3_sge_err_intr_handler(adapter_t *adapter);
  517 int t3_offload_tx(struct t3cdev *, struct mbuf *);
  518 void t3_os_set_hw_addr(adapter_t *adapter, int port_idx, u8 hw_addr[]);
  519 int t3_mgmt_tx(adapter_t *adap, struct mbuf *m);
  520 
  521 
  522 int t3_sge_alloc(struct adapter *);
  523 int t3_sge_free(struct adapter *);
  524 int t3_sge_alloc_qset(adapter_t *, uint32_t, int, int, const struct qset_params *,
  525     int, struct port_info *);
  526 void t3_free_sge_resources(adapter_t *);
  527 void t3_sge_start(adapter_t *);
  528 void t3_sge_stop(adapter_t *);
  529 void t3b_intr(void *data);
  530 void t3_intr_msi(void *data);
  531 void t3_intr_msix(void *data);
  532 int t3_encap(struct sge_qset *, struct mbuf **, int);
  533 
  534 int t3_sge_init_adapter(adapter_t *);
  535 int t3_sge_reset_adapter(adapter_t *);
  536 int t3_sge_init_port(struct port_info *);
  537 void t3_sge_deinit_sw(adapter_t *);
  538 void t3_free_tx_desc(struct sge_txq *q, int n);
  539 void t3_free_tx_desc_all(struct sge_txq *q);
  540 
  541 void t3_rx_eth(struct adapter *adap, struct sge_rspq *rq, struct mbuf *m, int ethpad);
  542 
  543 void t3_add_attach_sysctls(adapter_t *sc);
  544 void t3_add_configured_sysctls(adapter_t *sc);
  545 int t3_get_desc(const struct sge_qset *qs, unsigned int qnum, unsigned int idx,
  546     unsigned char *data);
  547 void t3_update_qset_coalesce(struct sge_qset *qs, const struct qset_params *p);
  548 
  549 /*
  550  * XXX figure out how we can return this to being private to sge
  551  */
  552 #define desc_reclaimable(q) ((int)((q)->processed - (q)->cleaned - TX_MAX_DESC))
  553 
  554 #define container_of(p, stype, field) ((stype *)(((uint8_t *)(p)) - offsetof(stype, field)))
  555 
  556 static __inline struct sge_qset *
  557 fl_to_qset(struct sge_fl *q, int qidx)
  558 {
  559         return container_of(q, struct sge_qset, fl[qidx]);
  560 }
  561 
  562 static __inline struct sge_qset *
  563 rspq_to_qset(struct sge_rspq *q)
  564 {
  565         return container_of(q, struct sge_qset, rspq);
  566 }
  567 
  568 static __inline struct sge_qset *
  569 txq_to_qset(struct sge_txq *q, int qidx)
  570 {
  571         return container_of(q, struct sge_qset, txq[qidx]);
  572 }
  573 
  574 static __inline struct adapter *
  575 tdev2adap(struct t3cdev *d)
  576 {
  577         return container_of(d, struct adapter, tdev);
  578 }
  579 
  580 #undef container_of
  581 
  582 #define OFFLOAD_DEVMAP_BIT 15
  583 static inline int offload_running(adapter_t *adapter)
  584 {
  585         return isset(&adapter->open_device_map, OFFLOAD_DEVMAP_BIT);
  586 }
  587 
  588 int cxgb_pcpu_enqueue_packet(struct ifnet *ifp, struct mbuf *m);
  589 int cxgb_pcpu_start(struct ifnet *ifp, struct mbuf *m);
  590 void cxgb_pcpu_shutdown_threads(struct adapter *sc);
  591 void cxgb_pcpu_startup_threads(struct adapter *sc);
  592 
  593 int process_responses(adapter_t *adap, struct sge_qset *qs, int budget);
  594 void t3_free_qset(adapter_t *sc, struct sge_qset *q);
  595 void cxgb_start(struct ifnet *ifp);
  596 void refill_fl_service(adapter_t *adap, struct sge_fl *fl);
  597 #endif

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