Lines Matching +full:conf +full:- +full:ds
2 * Copyright (c) 2008-2011 Atheros Communications Inc.
17 #include <linux/dma-mapping.h>
21 #define SKB_CB_ATHBUF(__skb) (*((struct ath_rxbuf **)__skb->cb))
25 return sc->ps_enabled && in ath9k_check_auto_sleep()
26 (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_AUTOSLEEP); in ath9k_check_auto_sleep()
35 * to a sender if last desc is self-linked.
40 struct ath_hw *ah = sc->sc_ah; in ath_rx_buf_link()
42 struct ath_desc *ds; in ath_rx_buf_link() local
45 ds = bf->bf_desc; in ath_rx_buf_link()
46 ds->ds_link = 0; /* link to null */ in ath_rx_buf_link()
47 ds->ds_data = bf->bf_buf_addr; in ath_rx_buf_link()
50 skb = bf->bf_mpdu; in ath_rx_buf_link()
52 ds->ds_vdata = skb->data; in ath_rx_buf_link()
59 ath9k_hw_setuprxdesc(ah, ds, in ath_rx_buf_link()
60 common->rx_bufsize, in ath_rx_buf_link()
63 if (sc->rx.rxlink) in ath_rx_buf_link()
64 *sc->rx.rxlink = bf->bf_daddr; in ath_rx_buf_link()
66 ath9k_hw_putrxbuf(ah, bf->bf_daddr); in ath_rx_buf_link()
68 sc->rx.rxlink = &ds->ds_link; in ath_rx_buf_link()
74 if (sc->rx.buf_hold) in ath_rx_buf_relink()
75 ath_rx_buf_link(sc, sc->rx.buf_hold, flush); in ath_rx_buf_relink()
77 sc->rx.buf_hold = bf; in ath_rx_buf_relink()
83 ath9k_hw_setantenna(sc->sc_ah, antenna); in ath_setdefantenna()
84 sc->rx.defant = antenna; in ath_setdefantenna()
85 sc->rx.rxotherant = 0; in ath_setdefantenna()
90 struct ath_hw *ah = sc->sc_ah; in ath_opmode_init()
113 struct ath_hw *ah = sc->sc_ah; in ath_rx_edma_buf_link()
118 rx_edma = &sc->rx.rx_edma[qtype]; in ath_rx_edma_buf_link()
119 if (skb_queue_len(&rx_edma->rx_fifo) >= rx_edma->rx_fifo_hwsize) in ath_rx_edma_buf_link()
122 bf = list_first_entry(&sc->rx.rxbuf, struct ath_rxbuf, list); in ath_rx_edma_buf_link()
123 list_del_init(&bf->list); in ath_rx_edma_buf_link()
125 skb = bf->bf_mpdu; in ath_rx_edma_buf_link()
127 memset(skb->data, 0, ah->caps.rx_status_len); in ath_rx_edma_buf_link()
128 dma_sync_single_for_device(sc->dev, bf->bf_buf_addr, in ath_rx_edma_buf_link()
129 ah->caps.rx_status_len, DMA_TO_DEVICE); in ath_rx_edma_buf_link()
132 ath9k_hw_addrxbuf_edma(ah, bf->bf_buf_addr, qtype); in ath_rx_edma_buf_link()
133 __skb_queue_tail(&rx_edma->rx_fifo, skb); in ath_rx_edma_buf_link()
141 struct ath_common *common = ath9k_hw_common(sc->sc_ah); in ath_rx_addbuffer_edma()
144 if (list_empty(&sc->rx.rxbuf)) { in ath_rx_addbuffer_edma()
149 list_for_each_entry_safe(bf, tbf, &sc->rx.rxbuf, list) in ath_rx_addbuffer_edma()
162 rx_edma = &sc->rx.rx_edma[qtype]; in ath_rx_remove_buffer()
164 while ((skb = __skb_dequeue(&rx_edma->rx_fifo)) != NULL) { in ath_rx_remove_buffer()
167 list_add_tail(&bf->list, &sc->rx.rxbuf); in ath_rx_remove_buffer()
173 struct ath_hw *ah = sc->sc_ah; in ath_rx_edma_cleanup()
180 list_for_each_entry(bf, &sc->rx.rxbuf, list) { in ath_rx_edma_cleanup()
181 if (bf->bf_mpdu) { in ath_rx_edma_cleanup()
182 dma_unmap_single(sc->dev, bf->bf_buf_addr, in ath_rx_edma_cleanup()
183 common->rx_bufsize, in ath_rx_edma_cleanup()
185 dev_kfree_skb_any(bf->bf_mpdu); in ath_rx_edma_cleanup()
186 bf->bf_buf_addr = 0; in ath_rx_edma_cleanup()
187 bf->bf_mpdu = NULL; in ath_rx_edma_cleanup()
194 __skb_queue_head_init(&rx_edma->rx_fifo); in ath_rx_edma_init_queue()
195 rx_edma->rx_fifo_hwsize = size; in ath_rx_edma_init_queue()
200 struct ath_common *common = ath9k_hw_common(sc->sc_ah); in ath_rx_edma_init()
201 struct ath_hw *ah = sc->sc_ah; in ath_rx_edma_init()
207 ath9k_hw_set_rx_bufsize(ah, common->rx_bufsize - in ath_rx_edma_init()
208 ah->caps.rx_status_len); in ath_rx_edma_init()
210 ath_rx_edma_init_queue(&sc->rx.rx_edma[ATH9K_RX_QUEUE_LP], in ath_rx_edma_init()
211 ah->caps.rx_lp_qdepth); in ath_rx_edma_init()
212 ath_rx_edma_init_queue(&sc->rx.rx_edma[ATH9K_RX_QUEUE_HP], in ath_rx_edma_init()
213 ah->caps.rx_hp_qdepth); in ath_rx_edma_init()
216 bf = devm_kzalloc(sc->dev, size, GFP_KERNEL); in ath_rx_edma_init()
218 return -ENOMEM; in ath_rx_edma_init()
220 INIT_LIST_HEAD(&sc->rx.rxbuf); in ath_rx_edma_init()
223 skb = ath_rxbuf_alloc(common, common->rx_bufsize, GFP_KERNEL); in ath_rx_edma_init()
225 error = -ENOMEM; in ath_rx_edma_init()
229 memset(skb->data, 0, common->rx_bufsize); in ath_rx_edma_init()
230 bf->bf_mpdu = skb; in ath_rx_edma_init()
232 bf->bf_buf_addr = dma_map_single(sc->dev, skb->data, in ath_rx_edma_init()
233 common->rx_bufsize, in ath_rx_edma_init()
235 if (unlikely(dma_mapping_error(sc->dev, in ath_rx_edma_init()
236 bf->bf_buf_addr))) { in ath_rx_edma_init()
238 bf->bf_mpdu = NULL; in ath_rx_edma_init()
239 bf->bf_buf_addr = 0; in ath_rx_edma_init()
242 error = -ENOMEM; in ath_rx_edma_init()
246 list_add_tail(&bf->list, &sc->rx.rxbuf); in ath_rx_edma_init()
258 ath9k_hw_rxena(sc->sc_ah); in ath_edma_start_recv()
262 ath9k_hw_startpcureceive(sc->sc_ah, sc->cur_chan->offchannel); in ath_edma_start_recv()
273 struct ath_common *common = ath9k_hw_common(sc->sc_ah); in ath_rx_init()
278 spin_lock_init(&sc->sc_pcu_lock); in ath_rx_init()
280 common->rx_bufsize = IEEE80211_MAX_MPDU_LEN / 2 + in ath_rx_init()
281 sc->sc_ah->caps.rx_status_len; in ath_rx_init()
283 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) in ath_rx_init()
287 common->cachelsz, common->rx_bufsize); in ath_rx_init()
291 error = ath_descdma_setup(sc, &sc->rx.rxdma, &sc->rx.rxbuf, in ath_rx_init()
300 list_for_each_entry(bf, &sc->rx.rxbuf, list) { in ath_rx_init()
301 skb = ath_rxbuf_alloc(common, common->rx_bufsize, in ath_rx_init()
304 error = -ENOMEM; in ath_rx_init()
308 bf->bf_mpdu = skb; in ath_rx_init()
309 bf->bf_buf_addr = dma_map_single(sc->dev, skb->data, in ath_rx_init()
310 common->rx_bufsize, in ath_rx_init()
312 if (unlikely(dma_mapping_error(sc->dev, in ath_rx_init()
313 bf->bf_buf_addr))) { in ath_rx_init()
315 bf->bf_mpdu = NULL; in ath_rx_init()
316 bf->bf_buf_addr = 0; in ath_rx_init()
319 error = -ENOMEM; in ath_rx_init()
323 sc->rx.rxlink = NULL; in ath_rx_init()
333 struct ath_hw *ah = sc->sc_ah; in ath_rx_cleanup()
338 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) { in ath_rx_cleanup()
343 list_for_each_entry(bf, &sc->rx.rxbuf, list) { in ath_rx_cleanup()
344 skb = bf->bf_mpdu; in ath_rx_cleanup()
346 dma_unmap_single(sc->dev, bf->bf_buf_addr, in ath_rx_cleanup()
347 common->rx_bufsize, in ath_rx_cleanup()
350 bf->bf_buf_addr = 0; in ath_rx_cleanup()
351 bf->bf_mpdu = NULL; in ath_rx_cleanup()
367 * - when operating in adhoc mode so the 802.11 layer creates
369 * - when operating in station mode for collecting rssi data when
371 * - when operating as a repeater so we see repeater-sta beacons
372 * - when scanning
377 struct ath_common *common = ath9k_hw_common(sc->sc_ah); in ath_calcrxfilter()
387 if (sc->hw->conf.radar_enabled) in ath_calcrxfilter()
390 spin_lock_bh(&sc->chan_lock); in ath_calcrxfilter()
392 if (sc->cur_chan->rxfilter & FIF_PROBE_REQ) in ath_calcrxfilter()
395 if (sc->sc_ah->is_monitoring) in ath_calcrxfilter()
398 if ((sc->cur_chan->rxfilter & FIF_CONTROL) || in ath_calcrxfilter()
399 sc->sc_ah->dynack.enabled) in ath_calcrxfilter()
402 if ((sc->sc_ah->opmode == NL80211_IFTYPE_STATION) && in ath_calcrxfilter()
403 (sc->cur_chan->nvifs <= 1) && in ath_calcrxfilter()
404 !(sc->cur_chan->rxfilter & FIF_BCN_PRBRESP_PROMISC)) in ath_calcrxfilter()
406 else if (sc->sc_ah->opmode != NL80211_IFTYPE_OCB) in ath_calcrxfilter()
409 if ((sc->sc_ah->opmode == NL80211_IFTYPE_AP) || in ath_calcrxfilter()
410 (sc->cur_chan->rxfilter & FIF_PSPOLL)) in ath_calcrxfilter()
413 if (sc->cur_chandef.width != NL80211_CHAN_WIDTH_20_NOHT) in ath_calcrxfilter()
416 if (sc->cur_chan->nvifs > 1 || in ath_calcrxfilter()
417 (sc->cur_chan->rxfilter & (FIF_OTHER_BSS | FIF_MCAST_ACTION))) { in ath_calcrxfilter()
419 if (sc->sc_ah->hw_version.macVersion <= AR_SREV_VERSION_9160) in ath_calcrxfilter()
424 if (AR_SREV_9550(sc->sc_ah) || AR_SREV_9531(sc->sc_ah) || in ath_calcrxfilter()
425 AR_SREV_9561(sc->sc_ah)) in ath_calcrxfilter()
428 if (AR_SREV_9462(sc->sc_ah) || AR_SREV_9565(sc->sc_ah)) in ath_calcrxfilter()
432 test_bit(ATH_OP_SCANNING, &common->op_flags)) in ath_calcrxfilter()
435 spin_unlock_bh(&sc->chan_lock); in ath_calcrxfilter()
443 struct ath_hw *ah = sc->sc_ah; in ath_startrecv()
446 if (ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) { in ath_startrecv()
451 if (list_empty(&sc->rx.rxbuf)) in ath_startrecv()
454 sc->rx.buf_hold = NULL; in ath_startrecv()
455 sc->rx.rxlink = NULL; in ath_startrecv()
456 list_for_each_entry_safe(bf, tbf, &sc->rx.rxbuf, list) { in ath_startrecv()
461 if (list_empty(&sc->rx.rxbuf)) in ath_startrecv()
464 bf = list_first_entry(&sc->rx.rxbuf, struct ath_rxbuf, list); in ath_startrecv()
465 ath9k_hw_putrxbuf(ah, bf->bf_daddr); in ath_startrecv()
470 ath9k_hw_startpcureceive(ah, sc->cur_chan->offchannel); in ath_startrecv()
475 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) in ath_flushrecv()
482 struct ath_hw *ah = sc->sc_ah; in ath_stoprecv()
491 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) in ath_stoprecv()
494 sc->rx.rxlink = NULL; in ath_stoprecv()
496 if (!(ah->ah_flags & AH_UNPLUGGED) && in ath_stoprecv()
498 ath_dbg(ath9k_hw_common(sc->sc_ah), RESET, in ath_stoprecv()
512 mgmt = (struct ieee80211_mgmt *)skb->data; in ath_beacon_dtim_pending_cab()
513 pos = mgmt->u.beacon.variable; in ath_beacon_dtim_pending_cab()
514 end = skb->data + skb->len; in ath_beacon_dtim_pending_cab()
526 if (tim->dtim_count != 0) in ath_beacon_dtim_pending_cab()
528 return tim->bitmap_ctrl & 0x01; in ath_beacon_dtim_pending_cab()
539 struct ath_common *common = ath9k_hw_common(sc->sc_ah); in ath_rx_ps_beacon()
542 if (skb->len < 24 + 8 + 2 + 2) in ath_rx_ps_beacon()
545 sc->ps_flags &= ~PS_WAIT_FOR_BEACON; in ath_rx_ps_beacon()
547 if (sc->ps_flags & PS_BEACON_SYNC) { in ath_rx_ps_beacon()
548 sc->ps_flags &= ~PS_BEACON_SYNC; in ath_rx_ps_beacon()
554 if (sc->cur_chan == &sc->offchannel.chan) in ath_rx_ps_beacon()
560 !(WARN_ON_ONCE(sc->cur_chan->beacon.beacon_interval == 0))) in ath_rx_ps_beacon()
576 sc->ps_flags |= PS_WAIT_FOR_CAB | PS_WAIT_FOR_BEACON; in ath_rx_ps_beacon()
580 if (sc->ps_flags & PS_WAIT_FOR_CAB) { in ath_rx_ps_beacon()
586 sc->ps_flags &= ~PS_WAIT_FOR_CAB; in ath_rx_ps_beacon()
594 struct ath_common *common = ath9k_hw_common(sc->sc_ah); in ath_rx_ps()
596 hdr = (struct ieee80211_hdr *)skb->data; in ath_rx_ps()
599 if (((sc->ps_flags & PS_WAIT_FOR_BEACON) || ath9k_check_auto_sleep(sc)) in ath_rx_ps()
602 } else if ((sc->ps_flags & PS_WAIT_FOR_CAB) && in ath_rx_ps()
603 (ieee80211_is_data(hdr->frame_control) || in ath_rx_ps()
604 ieee80211_is_action(hdr->frame_control)) && in ath_rx_ps()
605 is_multicast_ether_addr(hdr->addr1) && in ath_rx_ps()
606 !ieee80211_has_moredata(hdr->frame_control)) { in ath_rx_ps()
611 sc->ps_flags &= ~(PS_WAIT_FOR_CAB | PS_WAIT_FOR_BEACON); in ath_rx_ps()
614 } else if ((sc->ps_flags & PS_WAIT_FOR_PSPOLL_DATA) && in ath_rx_ps()
615 !is_multicast_ether_addr(hdr->addr1) && in ath_rx_ps()
616 !ieee80211_has_morefrags(hdr->frame_control)) { in ath_rx_ps()
617 sc->ps_flags &= ~PS_WAIT_FOR_PSPOLL_DATA; in ath_rx_ps()
619 "Going back to sleep after having received PS-Poll data (0x%lx)\n", in ath_rx_ps()
620 sc->ps_flags & (PS_WAIT_FOR_BEACON | in ath_rx_ps()
632 struct ath_rx_edma *rx_edma = &sc->rx.rx_edma[qtype]; in ath_edma_get_buffers()
633 struct ath_hw *ah = sc->sc_ah; in ath_edma_get_buffers()
639 skb = skb_peek(&rx_edma->rx_fifo); in ath_edma_get_buffers()
646 dma_sync_single_for_cpu(sc->dev, bf->bf_buf_addr, in ath_edma_get_buffers()
647 common->rx_bufsize, DMA_FROM_DEVICE); in ath_edma_get_buffers()
649 ret = ath9k_hw_process_rxdesc_edma(ah, rs, skb->data); in ath_edma_get_buffers()
650 if (ret == -EINPROGRESS) { in ath_edma_get_buffers()
652 dma_sync_single_for_device(sc->dev, bf->bf_buf_addr, in ath_edma_get_buffers()
653 common->rx_bufsize, DMA_FROM_DEVICE); in ath_edma_get_buffers()
657 __skb_unlink(skb, &rx_edma->rx_fifo); in ath_edma_get_buffers()
658 if (ret == -EINVAL) { in ath_edma_get_buffers()
660 list_add_tail(&bf->list, &sc->rx.rxbuf); in ath_edma_get_buffers()
663 skb = skb_peek(&rx_edma->rx_fifo); in ath_edma_get_buffers()
668 __skb_unlink(skb, &rx_edma->rx_fifo); in ath_edma_get_buffers()
669 list_add_tail(&bf->list, &sc->rx.rxbuf); in ath_edma_get_buffers()
698 struct ath_hw *ah = sc->sc_ah; in ath_get_next_rx_buf()
700 struct ath_desc *ds; in ath_get_next_rx_buf() local
704 if (list_empty(&sc->rx.rxbuf)) { in ath_get_next_rx_buf()
705 sc->rx.rxlink = NULL; in ath_get_next_rx_buf()
709 bf = list_first_entry(&sc->rx.rxbuf, struct ath_rxbuf, list); in ath_get_next_rx_buf()
710 if (bf == sc->rx.buf_hold) in ath_get_next_rx_buf()
713 ds = bf->bf_desc; in ath_get_next_rx_buf()
724 * a self-linked list to avoid rx overruns. in ath_get_next_rx_buf()
726 ret = ath9k_hw_rxprocdesc(ah, ds, rs); in ath_get_next_rx_buf()
727 if (ret == -EINPROGRESS) { in ath_get_next_rx_buf()
733 if (list_is_last(&bf->list, &sc->rx.rxbuf)) { in ath_get_next_rx_buf()
734 sc->rx.rxlink = NULL; in ath_get_next_rx_buf()
738 tbf = list_entry(bf->list.next, struct ath_rxbuf, list); in ath_get_next_rx_buf()
751 tds = tbf->bf_desc; in ath_get_next_rx_buf()
753 if (ret == -EINPROGRESS) in ath_get_next_rx_buf()
757 * Re-check previous descriptor, in case it has been filled in ath_get_next_rx_buf()
760 ret = ath9k_hw_rxprocdesc(ah, ds, rs); in ath_get_next_rx_buf()
761 if (ret == -EINPROGRESS) { in ath_get_next_rx_buf()
763 * mark descriptor as zero-length and set the 'more' in ath_get_next_rx_buf()
766 rs->rs_datalen = 0; in ath_get_next_rx_buf()
767 rs->rs_more = true; in ath_get_next_rx_buf()
771 list_del(&bf->list); in ath_get_next_rx_buf()
772 if (!bf->bf_mpdu) in ath_get_next_rx_buf()
780 dma_sync_single_for_cpu(sc->dev, bf->bf_buf_addr, in ath_get_next_rx_buf()
781 common->rx_bufsize, in ath_get_next_rx_buf()
793 rxs->mactime = (tsf & ~0xffffffffULL) | rs->rs_tstamp; in ath9k_process_tsf()
794 if (rs->rs_tstamp > tsf_lower && in ath9k_process_tsf()
795 unlikely(rs->rs_tstamp - tsf_lower > 0x10000000)) in ath9k_process_tsf()
796 rxs->mactime -= 0x100000000ULL; in ath9k_process_tsf()
798 if (rs->rs_tstamp < tsf_lower && in ath9k_process_tsf()
799 unlikely(tsf_lower - rs->rs_tstamp > 0x10000000)) in ath9k_process_tsf()
800 rxs->mactime += 0x100000000ULL; in ath9k_process_tsf()
814 struct ieee80211_hw *hw = sc->hw; in ath9k_rx_skb_preprocess()
815 struct ath_hw *ah = sc->sc_ah; in ath9k_rx_skb_preprocess()
818 bool discard_current = sc->rx.discard_next; in ath9k_rx_skb_preprocess()
828 sc->rx.discard_next = false; in ath9k_rx_skb_preprocess()
831 * Discard zero-length packets and packets smaller than an ACK in ath9k_rx_skb_preprocess()
834 is_phyerr = rx_stats->rs_status & ATH9K_RXERR_PHY; in ath9k_rx_skb_preprocess()
835 if (!rx_stats->rs_datalen || in ath9k_rx_skb_preprocess()
836 (rx_stats->rs_datalen < 10 && !is_phyerr)) { in ath9k_rx_skb_preprocess()
846 if (rx_stats->rs_datalen > (common->rx_bufsize - ah->caps.rx_status_len)) { in ath9k_rx_skb_preprocess()
852 if (rx_stats->rs_more) in ath9k_rx_skb_preprocess()
862 if (rx_stats->rs_status & ATH9K_RXERR_CORRUPT_DESC) in ath9k_rx_skb_preprocess()
865 hdr = (struct ieee80211_hdr *) (skb->data + ah->caps.rx_status_len); in ath9k_rx_skb_preprocess()
874 if (rx_stats->rs_status & ATH9K_RXERR_PHY) { in ath9k_rx_skb_preprocess()
880 * feeding spectral or dfs-detector with wrong frames. in ath9k_rx_skb_preprocess()
882 if (hw->conf.radar_enabled) { in ath9k_rx_skb_preprocess()
884 rx_status->mactime); in ath9k_rx_skb_preprocess()
885 } else if (sc->spec_priv.spectral_mode != SPECTRAL_DISABLED && in ath9k_rx_skb_preprocess()
886 ath_cmn_process_fft(&sc->spec_priv, hdr, rx_stats, in ath9k_rx_skb_preprocess()
887 rx_status->mactime)) { in ath9k_rx_skb_preprocess()
890 return -EINVAL; in ath9k_rx_skb_preprocess()
897 spin_lock_bh(&sc->chan_lock); in ath9k_rx_skb_preprocess()
899 sc->cur_chan->rxfilter)) { in ath9k_rx_skb_preprocess()
900 spin_unlock_bh(&sc->chan_lock); in ath9k_rx_skb_preprocess()
901 return -EINVAL; in ath9k_rx_skb_preprocess()
903 spin_unlock_bh(&sc->chan_lock); in ath9k_rx_skb_preprocess()
907 rx_stats->is_mybeacon = true; in ath9k_rx_skb_preprocess()
913 if (WARN_ON(!ah->curchan)) in ath9k_rx_skb_preprocess()
914 return -EINVAL; in ath9k_rx_skb_preprocess()
918 * No valid hardware bitrate found -- we should not get here in ath9k_rx_skb_preprocess()
922 rx_stats->rs_rate); in ath9k_rx_skb_preprocess()
924 return -EINVAL; in ath9k_rx_skb_preprocess()
928 if (rx_stats->is_mybeacon) in ath9k_rx_skb_preprocess()
935 rx_status->band = ah->curchan->chan->band; in ath9k_rx_skb_preprocess()
936 rx_status->freq = ah->curchan->chan->center_freq; in ath9k_rx_skb_preprocess()
937 rx_status->antenna = rx_stats->rs_antenna; in ath9k_rx_skb_preprocess()
938 rx_status->flag |= RX_FLAG_MACTIME_END; in ath9k_rx_skb_preprocess()
941 if (ieee80211_is_data_present(hdr->frame_control) && in ath9k_rx_skb_preprocess()
942 !ieee80211_is_qos_nullfunc(hdr->frame_control)) in ath9k_rx_skb_preprocess()
943 sc->rx.num_pkts++; in ath9k_rx_skb_preprocess()
949 sc->rx.discard_next = rx_stats->rs_more; in ath9k_rx_skb_preprocess()
950 return -EINVAL; in ath9k_rx_skb_preprocess()
966 struct ath_hw *ah = sc->sc_ah; in ath9k_antenna_check()
967 struct ath9k_hw_capabilities *pCap = &ah->caps; in ath9k_antenna_check()
970 if (!(ah->caps.hw_caps & ATH9K_HW_CAP_ANT_DIV_COMB)) in ath9k_antenna_check()
977 if (sc->rx.defant != rs->rs_antenna) { in ath9k_antenna_check()
978 if (++sc->rx.rxotherant >= 3) in ath9k_antenna_check()
979 ath_setdefantenna(sc, rs->rs_antenna); in ath9k_antenna_check()
981 sc->rx.rxotherant = 0; in ath9k_antenna_check()
984 if (pCap->hw_caps & ATH9K_HW_CAP_BT_ANT_DIV) { in ath9k_antenna_check()
985 if (common->bt_ant_diversity) in ath9k_antenna_check()
995 if (rs->rs_isaggr) { in ath9k_apply_ampdu_details()
996 rxs->flag |= RX_FLAG_AMPDU_DETAILS | RX_FLAG_AMPDU_LAST_KNOWN; in ath9k_apply_ampdu_details()
998 rxs->ampdu_reference = sc->rx.ampdu_ref; in ath9k_apply_ampdu_details()
1000 if (!rs->rs_moreaggr) { in ath9k_apply_ampdu_details()
1001 rxs->flag |= RX_FLAG_AMPDU_IS_LAST; in ath9k_apply_ampdu_details()
1002 sc->rx.ampdu_ref++; in ath9k_apply_ampdu_details()
1005 if (rs->rs_flags & ATH9K_RX_DELIM_CRC_PRE) in ath9k_apply_ampdu_details()
1006 rxs->flag |= RX_FLAG_AMPDU_DELIM_CRC_ERROR; in ath9k_apply_ampdu_details()
1014 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; in ath_rx_count_airtime()
1015 struct ath_hw *ah = sc->sc_ah; in ath_rx_count_airtime()
1022 u16 len = rs->rs_datalen; in ath_rx_count_airtime()
1026 if (!ieee80211_is_data(hdr->frame_control)) in ath_rx_count_airtime()
1031 sta = ieee80211_find_sta_by_ifaddr(sc->hw, hdr->addr2, NULL); in ath_rx_count_airtime()
1034 tidno = skb->priority & IEEE80211_QOS_CTL_TID_MASK; in ath_rx_count_airtime()
1038 is_sgi = !!(rxs->enc_flags & RX_ENC_FLAG_SHORT_GI); in ath_rx_count_airtime()
1039 is_40 = !!(rxs->bw == RATE_INFO_BW_40); in ath_rx_count_airtime()
1040 is_sp = !!(rxs->enc_flags & RX_ENC_FLAG_SHORTPRE); in ath_rx_count_airtime()
1042 if (!!(rxs->encoding == RX_ENC_HT)) { in ath_rx_count_airtime()
1045 airtime += ath_pkt_duration(sc, rxs->rate_idx, len, in ath_rx_count_airtime()
1049 phy = IS_CCK_RATE(rs->rs_rate) ? WLAN_RC_PHY_CCK : WLAN_RC_PHY_OFDM; in ath_rx_count_airtime()
1050 rate = &common->sbands[rxs->band].bitrates[rxs->rate_idx]; in ath_rx_count_airtime()
1051 airtime += ath9k_hw_computetxtime(ah, phy, rate->bitrate * 100, in ath_rx_count_airtime()
1052 len, rxs->rate_idx, is_sp); in ath_rx_count_airtime()
1065 struct ath_hw *ah = sc->sc_ah; in ath_rx_tasklet()
1067 struct ieee80211_hw *hw = sc->hw; in ath_rx_tasklet()
1071 bool edma = !!(ah->caps.hw_caps & ATH9K_HW_CAP_EDMA); in ath_rx_tasklet()
1100 skb = bf->bf_mpdu; in ath_rx_tasklet()
1108 if (sc->rx.frag) in ath_rx_tasklet()
1109 hdr_skb = sc->rx.frag; in ath_rx_tasklet()
1123 requeue_skb = ath_rxbuf_alloc(common, common->rx_bufsize, GFP_ATOMIC); in ath_rx_tasklet()
1127 * skb and put it at the tail of the sc->rx.rxbuf list for in ath_rx_tasklet()
1135 new_buf_addr = dma_map_single(sc->dev, requeue_skb->data, in ath_rx_tasklet()
1136 common->rx_bufsize, dma_type); in ath_rx_tasklet()
1137 if (unlikely(dma_mapping_error(sc->dev, new_buf_addr))) { in ath_rx_tasklet()
1143 dma_unmap_single(sc->dev, bf->bf_buf_addr, in ath_rx_tasklet()
1144 common->rx_bufsize, dma_type); in ath_rx_tasklet()
1146 bf->bf_mpdu = requeue_skb; in ath_rx_tasklet()
1147 bf->bf_buf_addr = new_buf_addr; in ath_rx_tasklet()
1149 skb_put(skb, rs.rs_datalen + ah->caps.rx_status_len); in ath_rx_tasklet()
1150 if (ah->caps.rx_status_len) in ath_rx_tasklet()
1151 skb_pull(skb, ah->caps.rx_status_len); in ath_rx_tasklet()
1162 * scatter-gather operation. in ath_rx_tasklet()
1164 if (sc->rx.frag) { in ath_rx_tasklet()
1165 /* too many fragments - cannot handle frame */ in ath_rx_tasklet()
1166 dev_kfree_skb_any(sc->rx.frag); in ath_rx_tasklet()
1171 sc->rx.frag = skb; in ath_rx_tasklet()
1175 if (sc->rx.frag) { in ath_rx_tasklet()
1176 int space = skb->len - skb_tailroom(hdr_skb); in ath_rx_tasklet()
1184 sc->rx.frag = NULL; in ath_rx_tasklet()
1186 skb_copy_from_linear_data(skb, skb_put(hdr_skb, skb->len), in ath_rx_tasklet()
1187 skb->len); in ath_rx_tasklet()
1192 if (rxs->flag & RX_FLAG_MMIC_STRIPPED) in ath_rx_tasklet()
1193 skb_trim(skb, skb->len - 8); in ath_rx_tasklet()
1195 spin_lock_irqsave(&sc->sc_pm_lock, flags); in ath_rx_tasklet()
1196 if ((sc->ps_flags & (PS_WAIT_FOR_BEACON | in ath_rx_tasklet()
1201 spin_unlock_irqrestore(&sc->sc_pm_lock, flags); in ath_rx_tasklet()
1208 hdr = (struct ieee80211_hdr *)skb->data; in ath_rx_tasklet()
1209 if (ieee80211_is_ack(hdr->frame_control)) in ath_rx_tasklet()
1210 ath_dynack_sample_ack_ts(sc->sc_ah, skb, rs.rs_tstamp); in ath_rx_tasklet()
1215 if (sc->rx.frag) { in ath_rx_tasklet()
1216 dev_kfree_skb_any(sc->rx.frag); in ath_rx_tasklet()
1217 sc->rx.frag = NULL; in ath_rx_tasklet()
1220 list_add_tail(&bf->list, &sc->rx.rxbuf); in ath_rx_tasklet()
1230 if (!budget--) in ath_rx_tasklet()
1234 if (!(ah->imask & ATH9K_INT_RXEOL)) { in ath_rx_tasklet()
1235 ah->imask |= (ATH9K_INT_RXEOL | ATH9K_INT_RXORN); in ath_rx_tasklet()