package/madwifi/patches-testing/300-napi_polling.patch

   1 --- a/ath/if_ath.c
   2 +++ b/ath/if_ath.c
   3 @@ -182,7 +182,11 @@
   4         struct sk_buff *, int, int, u_int64_t);
   5  static void ath_setdefantenna(struct ath_softc *, u_int);
   6  static struct ath_txq *ath_txq_setup(struct ath_softc *, int, int);
   7 -static void ath_rx_tasklet(TQUEUE_ARG);
   8 +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
   9 +static int ath_rx_poll(struct napi_struct *napi, int budget);
  10 +#else
  11 +static int ath_rx_poll(struct net_device *dev, int *budget);
  12 +#endif
  13  static int ath_hardstart(struct sk_buff *, struct net_device *);
  14  static int ath_mgtstart(struct ieee80211com *, struct sk_buff *);
  15  #ifdef ATH_SUPERG_COMP
  16 @@ -331,6 +335,9 @@
  17  static u_int32_t ath_set_clamped_maxtxpower(struct ath_softc *sc,
  18                 u_int32_t new_clamped_maxtxpower);
  19
  20 +static void ath_poll_disable(struct net_device *dev);
  21 +static void ath_poll_enable(struct net_device *dev);
  22 +
  23  static void ath_scanbufs(struct ath_softc *sc);
  24  static int ath_debug_iwpriv(struct ieee80211com *ic,
  25                 unsigned int param, unsigned int value);
  26 @@ -518,7 +525,6 @@
  27
  28         atomic_set(&sc->sc_txbuf_counter, 0);
  29
  30 -       ATH_INIT_TQUEUE(&sc->sc_rxtq,           ath_rx_tasklet,         dev);
  31         ATH_INIT_TQUEUE(&sc->sc_txtq,           ath_tx_tasklet,         dev);
  32         ATH_INIT_TQUEUE(&sc->sc_bmisstq,        ath_bmiss_tasklet,      dev);
  33         ATH_INIT_TQUEUE(&sc->sc_bstucktq,       ath_bstuck_tasklet,     dev);
  34 @@ -833,6 +839,12 @@
  35         dev->set_mac_address = ath_set_mac_address;
  36         dev->change_mtu = ath_change_mtu;
  37         dev->tx_queue_len = ATH_TXBUF - ATH_TXBUF_MGT_RESERVED;
  38 +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
  39 +       netif_napi_add(dev, &sc->sc_napi, ath_rx_poll, 64);
  40 +#else
  41 +       dev->poll = ath_rx_poll;
  42 +       dev->weight = 64;
  43 +#endif
  44  #ifdef USE_HEADERLEN_RESV
  45         dev->hard_header_len += sizeof(struct ieee80211_qosframe) +
  46                                 sizeof(struct llc) +
  47 @@ -1770,7 +1782,7 @@
  48  }
  49
  50  static void
  51 -ath_intr_process_rx_descriptors(struct ath_softc *sc, int *pneedmark, u_int64_t hw_tsf)
  52 +ath_intr_process_rx_descriptors(struct ath_softc *sc, int *pneedmark, u_int64_t hw_tsf, int schedule)
  53  {
  54         struct ath_hal *ah = sc->sc_ah;
  55         struct ath_desc *ds;
  56 @@ -2252,8 +2264,25 @@
  57         }
  58
  59         /* If we got something to process, schedule rx queue to handle it */
  60 -       if (count)
  61 -               ATH_SCHEDULE_TQUEUE(&sc->sc_rxtq, pneedmark);
  62 +       if (count) {
  63 +               sc->sc_isr &= ~HAL_INT_RX;
  64 +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
  65 +               if (netif_rx_schedule_prep(sc->sc_dev, &sc->sc_napi))
  66 +#else
  67 +               if (netif_rx_schedule_prep(sc->sc_dev))
  68 +#endif
  69 +               {
  70 +#ifndef ATH_PRECISE_TSF
  71 +                       sc->sc_imask &= ~HAL_INT_RX;
  72 +                       ath_hal_intrset(ah, sc->sc_imask);
  73 +#endif
  74 +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
  75 +                       __netif_rx_schedule(sc->sc_dev, &sc->sc_napi);
  76 +#else
  77 +                       __netif_rx_schedule(sc->sc_dev);
  78 +#endif
  79 +               }
  80 +       }
  81         ATH_RXBUF_UNLOCK_IRQ(sc);
  82  #undef PA2DESC
  83  }
  84 @@ -2343,6 +2372,7 @@
  85                 (status & HAL_INT_GLOBAL)       ? " HAL_INT_GLOBAL"     : ""
  86                 );
  87
  88 +       sc->sc_isr = status;
  89         status &= sc->sc_imask;                 /* discard unasked for bits */
  90         /* As soon as we know we have a real interrupt we intend to service,
  91          * we will check to see if we need an initial hardware TSF reading.
  92 @@ -2400,7 +2430,7 @@
  93                 }
  94                 if (status & (HAL_INT_RX | HAL_INT_RXPHY)) {
  95                         /* NB: Will schedule rx tasklet if necessary. */
  96 -                       ath_intr_process_rx_descriptors(sc, &needmark, hw_tsf);
  97 +                       ath_intr_process_rx_descriptors(sc, &needmark, hw_tsf, 1);
  98                 }
  99                 if (status & HAL_INT_TX) {
 100  #ifdef ATH_SUPERG_DYNTURBO
 101 @@ -2426,6 +2456,11 @@
 102                                 }
 103                         }
 104  #endif
 105 +                       /* disable transmit interrupt */
 106 +                       sc->sc_isr &= ~HAL_INT_TX;
 107 +                       ath_hal_intrset(ah, sc->sc_imask & ~HAL_INT_TX);
 108 +                       sc->sc_imask &= ~HAL_INT_TX;
 109 +
 110                         ATH_SCHEDULE_TQUEUE(&sc->sc_txtq, &needmark);
 111                 }
 112                 if (status & HAL_INT_BMISS) {
 113 @@ -2617,6 +2652,7 @@
 114         if (sc->sc_tx99 != NULL)
 115                 sc->sc_tx99->start(sc->sc_tx99);
 116  #endif
 117 +       ath_poll_enable(dev);
 118
 119  done:
 120         ATH_UNLOCK(sc);
 121 @@ -2657,6 +2693,9 @@
 122                 if (sc->sc_tx99 != NULL)
 123                         sc->sc_tx99->stop(sc->sc_tx99);
 124  #endif
 125 +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
 126 +               ath_poll_disable(dev);
 127 +#endif
 128                 netif_stop_queue(dev);  /* XXX re-enabled by ath_newstate */
 129                 dev->flags &= ~IFF_RUNNING;     /* NB: avoid recursion */
 130                 ieee80211_stop_running(ic);     /* stop all VAPs */
 131 @@ -4109,6 +4148,43 @@
 132         return ath_keyset(sc, k, mac, vap->iv_bss);
 133  }
 134
 135 +static void ath_poll_disable(struct net_device *dev)
 136 +{
 137 +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
 138 +       struct ath_softc *sc = dev->priv;
 139 +#endif
 140 +
 141 +       /*
 142 +        * XXX Using in_softirq is not right since we might
 143 +        * be called from other soft irq contexts than
 144 +        * ath_rx_poll
 145 +        */
 146 +       if (!in_softirq()) {
 147 +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
 148 +               napi_disable(&sc->sc_napi);
 149 +#else
 150 +               netif_poll_disable(dev);
 151 +#endif
 152 +       }
 153 +}
 154 +
 155 +static void ath_poll_enable(struct net_device *dev)
 156 +{
 157 +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
 158 +       struct ath_softc *sc = dev->priv;
 159 +#endif
 160 +
 161 +       /* NB: see above */
 162 +       if (!in_softirq()) {
 163 +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
 164 +               napi_enable(&sc->sc_napi);
 165 +#else
 166 +               netif_poll_enable(dev);
 167 +#endif
 168 +       }
 169 +}
 170 +
 171 +
 172  /*
 173   * Block/unblock tx+rx processing while a key change is done.
 174   * We assume the caller serializes key management operations
 175 @@ -4119,33 +4195,23 @@
 176  ath_key_update_begin(struct ieee80211vap *vap)
 177  {
 178         struct net_device *dev = vap->iv_ic->ic_dev;
 179 -       struct ath_softc *sc = dev->priv;
 180
 181 -       DPRINTF(sc, ATH_DEBUG_KEYCACHE, "Begin\n");
 182         /*
 183          * When called from the rx tasklet we cannot use
 184          * tasklet_disable because it will block waiting
 185          * for us to complete execution.
 186 -        *
 187 -        * XXX Using in_softirq is not right since we might
 188 -        * be called from other soft irq contexts than
 189 -        * ath_rx_tasklet.
 190          */
 191 -       if (!in_softirq())
 192 -               tasklet_disable(&sc->sc_rxtq);
 193 -       netif_stop_queue(dev);
 194 +       if ((dev->flags & (IFF_UP|IFF_RUNNING)) == (IFF_UP|IFF_RUNNING))
 195 +               netif_stop_queue(dev);
 196  }
 197
 198  static void
 199  ath_key_update_end(struct ieee80211vap *vap)
 200  {
 201         struct net_device *dev = vap->iv_ic->ic_dev;
 202 -       struct ath_softc *sc = dev->priv;
 203
 204 -       DPRINTF(sc, ATH_DEBUG_KEYCACHE, "End\n");
 205 -       netif_wake_queue(dev);
 206 -       if (!in_softirq())              /* NB: see above */
 207 -               tasklet_enable(&sc->sc_rxtq);
 208 +       if ((dev->flags & (IFF_UP|IFF_RUNNING)) == (IFF_UP|IFF_RUNNING))
 209 +               netif_wake_queue(dev);
 210  }
 211
 212  /*
 213 @@ -6405,15 +6471,25 @@
 214         sc->sc_numrxotherant = 0;
 215  }
 216
 217 -static void
 218 -ath_rx_tasklet(TQUEUE_ARG data)
 219 +static int
 220 +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
 221 +ath_rx_poll(struct napi_struct *napi, int budget)
 222 +#else
 223 +ath_rx_poll(struct net_device *dev, int *budget)
 224 +#endif
 225  {
 226  #define        PA2DESC(_sc, _pa) \
 227         ((struct ath_desc *)((caddr_t)(_sc)->sc_rxdma.dd_desc + \
 228                 ((_pa) - (_sc)->sc_rxdma.dd_desc_paddr)))
 229 -       struct net_device *dev = (struct net_device *)data;
 230 -       struct ath_buf *bf;
 231 +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
 232 +       struct ath_softc *sc = container_of(napi, struct ath_softc, sc_napi);
 233 +       struct net_device *dev = sc->sc_dev;
 234 +       u_int rx_limit = budget;
 235 +#else
 236         struct ath_softc *sc = dev->priv;
 237 +       u_int rx_limit = min(dev->quota, *budget);
 238 +#endif
 239 +       struct ath_buf *bf;
 240         struct ieee80211com *ic = &sc->sc_ic;
 241         struct ath_hal *ah = sc ? sc->sc_ah : NULL;
 242         struct ath_desc *ds;
 243 @@ -6421,6 +6497,7 @@
 244         struct ieee80211_node *ni;
 245         struct sk_buff *skb = NULL;
 246         unsigned int len, phyerr, mic_fail = 0;
 247 +       unsigned int early_stop = 0;
 248         int type = -1; /* undefined */
 249         int init_ret = 0;
 250         int bf_processed = 0;
 251 @@ -6428,6 +6505,7 @@
 252         int errors       = 0;
 253
 254         DPRINTF(sc, ATH_DEBUG_RX_PROC, "%s started...\n", __func__);
 255 +process_rx_again:
 256         do {
 257                 /* Get next RX buffer pending processing by RX tasklet...
 258                  *
 259 @@ -6457,6 +6535,10 @@
 260                         break;
 261
 262                 bf_processed++;
 263 +               if (rx_limit-- < 0) {
 264 +                       early_stop = 1;
 265 +                       break;
 266 +               }
 267                 ds  = bf->bf_desc;
 268
 269  #ifdef AR_DEBUG
 270 @@ -6491,6 +6573,7 @@
 271                                 sc->sc_stats.ast_rx_phyerr++;
 272                                 phyerr = rs->rs_phyerr & 0x1f;
 273                                 sc->sc_stats.ast_rx_phy[phyerr]++;
 274 +                               goto rx_next;
 275                         }
 276                         if (rs->rs_status & HAL_RXERR_DECRYPT) {
 277                                 /* Decrypt error.  If the error occurred
 278 @@ -6689,6 +6772,33 @@
 279                 STAILQ_INSERT_TAIL(&sc->sc_rxbuf, bf, bf_list);
 280                 ATH_RXBUF_UNLOCK_IRQ(sc);
 281         } while (1);
 282 +       if (!early_stop) {
 283 +               unsigned long flags;
 284 +               /* Check if more data is received while we were
 285 +                * processing the descriptor chain.
 286 +                */
 287 +#ifndef ATH_PRECISE_TSF
 288 +               local_irq_save(flags);
 289 +               if (sc->sc_isr & HAL_INT_RX) {
 290 +                       u_int64_t hw_tsf = ath_hal_gettsf64(ah);
 291 +                       sc->sc_isr &= ~HAL_INT_RX;
 292 +                       local_irq_restore(flags);
 293 +                       ath_intr_process_rx_descriptors(sc, NULL, hw_tsf, 0);
 294 +                       goto process_rx_again;
 295 +               }
 296 +               sc->sc_imask |= HAL_INT_RX;
 297 +               ath_hal_intrset(ah, sc->sc_imask);
 298 +               local_irq_restore(flags);
 299 +#endif
 300 +       }
 301 +
 302 +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
 303 +       netif_rx_complete(dev, napi);
 304 +#else
 305 +       netif_rx_complete(dev);
 306 +       *budget -= bf_processed;
 307 +       dev->quota -= bf_processed;
 308 +#endif
 309
 310         if (sc->sc_useintmit)
 311                 ath_hal_rxmonitor(ah, &sc->sc_halstats, &sc->sc_curchan);
 312 @@ -6701,6 +6811,12 @@
 313                 " %d rx buf processed. %d were errors. %d skb accepted.\n",
 314                 __func__, bf_processed, errors, skb_accepted);
 315  #undef PA2DESC
 316 +
 317 +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
 318 +       return bf_processed;
 319 +#else
 320 +       return early_stop;
 321 +#endif
 322  }
 323
 324  #ifdef ATH_SUPERG_XR
 325 @@ -8306,12 +8422,24 @@
 326  {
 327         struct net_device *dev = (struct net_device *)data;
 328         struct ath_softc *sc = dev->priv;
 329 +       unsigned long flags;
 330
 331 +process_tx_again:
 332         if (txqactive(sc->sc_ah, 0))
 333                 ath_tx_processq(sc, &sc->sc_txq[0]);
 334         if (txqactive(sc->sc_ah, sc->sc_cabq->axq_qnum))
 335                 ath_tx_processq(sc, sc->sc_cabq);
 336
 337 +       local_irq_save(flags);
 338 +       if (sc->sc_isr & HAL_INT_TX) {
 339 +               sc->sc_isr &= ~HAL_INT_TX;
 340 +               local_irq_restore(flags);
 341 +               goto process_tx_again;
 342 +       }
 343 +       sc->sc_imask |= HAL_INT_TX;
 344 +       ath_hal_intrset(sc->sc_ah, sc->sc_imask);
 345 +       local_irq_restore(flags);
 346 +
 347         netif_wake_queue(dev);
 348
 349         if (sc->sc_softled)
 350 @@ -8327,7 +8455,9 @@
 351  {
 352         struct net_device *dev = (struct net_device *)data;
 353         struct ath_softc *sc = dev->priv;
 354 +       unsigned long flags;
 355
 356 +process_tx_again:
 357         /*
 358          * Process each active queue.
 359          */
 360 @@ -8357,6 +8487,16 @@
 361         if (sc->sc_uapsdq && txqactive(sc->sc_ah, sc->sc_uapsdq->axq_qnum))
 362                 ath_tx_processq(sc, sc->sc_uapsdq);
 363
 364 +       local_irq_save(flags);
 365 +       if (sc->sc_isr & HAL_INT_TX) {
 366 +               sc->sc_isr &= ~HAL_INT_TX;
 367 +               local_irq_restore(flags);
 368 +               goto process_tx_again;
 369 +       }
 370 +       sc->sc_imask |= HAL_INT_TX;
 371 +       ath_hal_intrset(sc->sc_ah, sc->sc_imask);
 372 +       local_irq_restore(flags);
 373 +
 374         netif_wake_queue(dev);
 375
 376         if (sc->sc_softled)
 377 @@ -10322,9 +10462,9 @@
 378         dev->mtu = mtu;
 379         if ((dev->flags & IFF_RUNNING) && !sc->sc_invalid) {
 380                 /* NB: the rx buffers may need to be reallocated */
 381 -               tasklet_disable(&sc->sc_rxtq);
 382 +               ath_poll_disable(dev);
 383                 error = ath_reset(dev);
 384 -               tasklet_enable(&sc->sc_rxtq);
 385 +               ath_poll_enable(dev);
 386         }
 387         ATH_UNLOCK(sc);
 388
 389 --- a/ath/if_athvar.h
 390 +++ b/ath/if_athvar.h
 391 @@ -56,6 +56,10 @@
 392  # include      <asm/bitops.h>
 393  #endif
 394
 395 +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
 396 +#define irqs_disabled()                        0
 397 +#endif
 398 +
 399  /*
 400   * Deduce if tasklets are available.  If not then
 401   * fall back to using the immediate work queue.
 402 @@ -644,6 +648,9 @@
 403  struct ath_softc {
 404         struct ieee80211com sc_ic;              /* NB: must be first */
 405         struct net_device *sc_dev;
 406 +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
 407 +       struct napi_struct sc_napi;
 408 +#endif
 409         void __iomem *sc_iobase;                /* address of the device */
 410         struct semaphore sc_lock;               /* dev-level lock */
 411         struct net_device_stats sc_devstats;    /* device statistics */
 412 @@ -756,7 +763,6 @@
 413         struct ath_buf *sc_rxbufcur;            /* current rx buffer */
 414         u_int32_t *sc_rxlink;                   /* link ptr in last RX desc */
 415         spinlock_t sc_rxbuflock;
 416 -       struct ATH_TQ_STRUCT sc_rxtq;           /* rx intr tasklet */
 417         struct ATH_TQ_STRUCT sc_rxorntq;        /* rxorn intr tasklet */
 418         u_int16_t sc_cachelsz;                  /* cache line size */
 419
 420 @@ -769,6 +775,7 @@
 421         u_int sc_txintrperiod;                  /* tx interrupt batching */
 422         struct ath_txq sc_txq[HAL_NUM_TX_QUEUES];
 423         struct ath_txq *sc_ac2q[WME_NUM_AC];    /* WME AC -> h/w qnum */
 424 +       HAL_INT sc_isr;                         /* unmasked ISR state */
 425         struct ATH_TQ_STRUCT sc_txtq;           /* tx intr tasklet */
 426         u_int8_t sc_grppoll_str[GRPPOLL_RATE_STR_LEN];
 427         struct ath_descdma sc_bdma;             /* beacon descriptors */
 428 @@ -888,6 +895,8 @@
 429  #define        ATH_TXBUF_LOCK_CHECK(_sc)
 430  #endif
 431
 432 +#define ATH_DISABLE_INTR               local_irq_disable
 433 +#define ATH_ENABLE_INTR                local_irq_enable
 434
 435  #define        ATH_RXBUF_LOCK_INIT(_sc)        spin_lock_init(&(_sc)->sc_rxbuflock)
 436  #define        ATH_RXBUF_LOCK_DESTROY(_sc)
 437 --- a/net80211/ieee80211_skb.c
 438 +++ b/net80211/ieee80211_skb.c
 439 @@ -73,7 +73,7 @@
 440  #undef dev_queue_xmit
 441  #undef kfree_skb
 442  #undef kfree_skb_fast
 443 -#undef netif_rx
 444 +#undef netif_receive_skb
 445  #undef pskb_copy
 446  #undef skb_clone
 447  #undef skb_copy
 448 @@ -581,8 +581,8 @@
 449                 grp, vlan_tag);
 450  }
 451
 452 -int netif_rx_debug(struct sk_buff *skb, const char *func, int line) {
 453 -       return netif_rx(untrack_skb(skb, 0, __func__, __LINE__));
 454 +int netif_receive_skb_debug(struct sk_buff *skb, const char *func, int line) {
 455 +       return netif_receive_skb(untrack_skb(skb, 0, __func__, __LINE__));
 456  }
 457
 458  struct sk_buff *alloc_skb_debug(unsigned int length, gfp_t gfp_mask,
 459 @@ -707,7 +707,7 @@
 460  }
 461
 462  EXPORT_SYMBOL(vlan_hwaccel_rx_debug);
 463 -EXPORT_SYMBOL(netif_rx_debug);
 464 +EXPORT_SYMBOL(netif_receive_skb_debug);
 465  EXPORT_SYMBOL(alloc_skb_debug);
 466  EXPORT_SYMBOL(dev_alloc_skb_debug);
 467  EXPORT_SYMBOL(skb_clone_debug);
 468 --- a/net80211/ieee80211_skb.h
 469 +++ b/net80211/ieee80211_skb.h
 470 @@ -115,7 +115,7 @@
 471
 472  int vlan_hwaccel_rx_debug(struct sk_buff *skb, struct vlan_group *grp,
 473                 unsigned short vlan_tag, const char *func, int line);
 474 -int netif_rx_debug(struct sk_buff *skb, const char *func, int line);
 475 +int netif_receive_skb_debug(struct sk_buff *skb, const char *func, int line);
 476  struct sk_buff *alloc_skb_debug(unsigned int length, gfp_t gfp_mask,
 477                 const char *func, int line);
 478  struct sk_buff *dev_alloc_skb_debug(unsigned int length,
 479 @@ -150,7 +150,7 @@
 480  #undef dev_queue_xmit
 481  #undef kfree_skb
 482  #undef kfree_skb_fast
 483 -#undef netif_rx
 484 +#undef netif_receive_skb
 485  #undef pskb_copy
 486  #undef skb_clone
 487  #undef skb_copy
 488 @@ -167,8 +167,8 @@
 489         skb_copy_expand_debug(_skb, _newheadroom, _newtailroom, _gfp_mask, __func__, __LINE__)
 490  #define vlan_hwaccel_rx(_skb, _grp, _tag) \
 491         vlan_hwaccel_rx_debug(_skb, _grp, _tag, __func__, __LINE__)
 492 -#define netif_rx(_skb) \
 493 -       netif_rx_debug(_skb, __func__, __LINE__)
 494 +#define netif_receive_skb(_skb) \
 495 +       netif_receive_skb_debug(_skb, __func__, __LINE__)
 496  #define        alloc_skb(_length, _gfp_mask) \
 497         alloc_skb_debug(_length, _gfp_mask, __func__, __LINE__)
 498  #define        dev_alloc_skb(_length) \
 499 --- a/net80211/ieee80211_input.c
 500 +++ b/net80211/ieee80211_input.c
 501 @@ -1185,7 +1185,7 @@
 502                         ret = vlan_hwaccel_rx(skb,
 503                                         vap->iv_vlgrp, ni->ni_vlan);
 504                 else
 505 -                       ret = netif_rx(skb);
 506 +                       ret = netif_receive_skb(skb);
 507                 if (ret == NET_RX_DROP)
 508                         vap->iv_devstats.rx_dropped++;
 509                 if (tni != NULL)
 510 @@ -2285,7 +2285,7 @@
 511
 512                 if (SKB_NI(skb1) != NULL)
 513                         ieee80211_unref_node(&SKB_NI(skb1));
 514 -               if (netif_rx(skb1) == NET_RX_DROP)
 515 +               if (netif_receive_skb(skb1) == NET_RX_DROP)
 516                         vap->iv_devstats.rx_dropped++;
 517         }
 518  }
 519 --- a/net80211/ieee80211_monitor.c
 520 +++ b/net80211/ieee80211_monitor.c
 521 @@ -580,7 +580,7 @@
 522
 523                         if (SKB_NI(skb1) != NULL)
 524                                 ieee80211_unref_node(&SKB_NI(skb1));
 525 -                       if (netif_rx(skb1) == NET_RX_DROP)
 526 +                       if (netif_receive_skb(skb1) == NET_RX_DROP)
 527                                 vap->iv_devstats.rx_dropped++;
 528                         skb1 = NULL;
 529                 }