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path: root/drivers/net/wireless/ath9k/beacon.c
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Diffstat (limited to 'drivers/net/wireless/ath9k/beacon.c')
-rw-r--r--drivers/net/wireless/ath9k/beacon.c77
1 files changed, 35 insertions, 42 deletions
diff --git a/drivers/net/wireless/ath9k/beacon.c b/drivers/net/wireless/ath9k/beacon.c
index e80d9b9b61a..88fbfe5bb7b 100644
--- a/drivers/net/wireless/ath9k/beacon.c
+++ b/drivers/net/wireless/ath9k/beacon.c
@@ -41,8 +41,7 @@ static int ath_beaconq_config(struct ath_softc *sc)
41 41
42 if (!ath9k_hw_set_txq_props(ah, sc->sc_bhalq, &qi)) { 42 if (!ath9k_hw_set_txq_props(ah, sc->sc_bhalq, &qi)) {
43 DPRINTF(sc, ATH_DBG_FATAL, 43 DPRINTF(sc, ATH_DBG_FATAL,
44 "%s: unable to update h/w beacon queue parameters\n", 44 "unable to update h/w beacon queue parameters\n");
45 __func__);
46 return 0; 45 return 0;
47 } else { 46 } else {
48 ath9k_hw_resettxqueue(ah, sc->sc_bhalq); /* push to h/w */ 47 ath9k_hw_resettxqueue(ah, sc->sc_bhalq); /* push to h/w */
@@ -53,8 +52,8 @@ static int ath_beaconq_config(struct ath_softc *sc)
53static void ath_bstuck_process(struct ath_softc *sc) 52static void ath_bstuck_process(struct ath_softc *sc)
54{ 53{
55 DPRINTF(sc, ATH_DBG_BEACON, 54 DPRINTF(sc, ATH_DBG_BEACON,
56 "%s: stuck beacon; resetting (bmiss count %u)\n", 55 "stuck beacon; resetting (bmiss count %u)\n",
57 __func__, sc->sc_bmisscount); 56 sc->sc_bmisscount);
58 ath_reset(sc, false); 57 ath_reset(sc, false);
59} 58}
60 59
@@ -76,8 +75,7 @@ static void ath_beacon_setup(struct ath_softc *sc,
76 int ctsrate = 0; 75 int ctsrate = 0;
77 int ctsduration = 0; 76 int ctsduration = 0;
78 77
79 DPRINTF(sc, ATH_DBG_BEACON, "%s: m %p len %u\n", 78 DPRINTF(sc, ATH_DBG_BEACON, "m %p len %u\n", skb, skb->len);
80 __func__, skb, skb->len);
81 79
82 /* setup descriptors */ 80 /* setup descriptors */
83 ds = bf->bf_desc; 81 ds = bf->bf_desc;
@@ -158,8 +156,8 @@ static struct ath_buf *ath_beacon_generate(struct ath_softc *sc, int if_id)
158 cabq = sc->sc_cabq; 156 cabq = sc->sc_cabq;
159 157
160 if (avp->av_bcbuf == NULL) { 158 if (avp->av_bcbuf == NULL) {
161 DPRINTF(sc, ATH_DBG_BEACON, "%s: avp=%p av_bcbuf=%p\n", 159 DPRINTF(sc, ATH_DBG_BEACON, "avp=%p av_bcbuf=%p\n",
162 __func__, avp, avp->av_bcbuf); 160 avp, avp->av_bcbuf);
163 return NULL; 161 return NULL;
164 } 162 }
165 163
@@ -216,7 +214,7 @@ static struct ath_buf *ath_beacon_generate(struct ath_softc *sc, int if_id)
216 if (sc->sc_nvaps > 1) { 214 if (sc->sc_nvaps > 1) {
217 ath_tx_draintxq(sc, cabq, false); 215 ath_tx_draintxq(sc, cabq, false);
218 DPRINTF(sc, ATH_DBG_BEACON, 216 DPRINTF(sc, ATH_DBG_BEACON,
219 "%s: flush previous cabq traffic\n", __func__); 217 "flush previous cabq traffic\n");
220 } 218 }
221 } 219 }
222 220
@@ -253,8 +251,8 @@ static void ath_beacon_start_adhoc(struct ath_softc *sc, int if_id)
253 avp = (void *)vif->drv_priv; 251 avp = (void *)vif->drv_priv;
254 252
255 if (avp->av_bcbuf == NULL) { 253 if (avp->av_bcbuf == NULL) {
256 DPRINTF(sc, ATH_DBG_BEACON, "%s: avp=%p av_bcbuf=%p\n", 254 DPRINTF(sc, ATH_DBG_BEACON, "avp=%p av_bcbuf=%p\n",
257 __func__, avp, avp != NULL ? avp->av_bcbuf : NULL); 255 avp, avp != NULL ? avp->av_bcbuf : NULL);
258 return; 256 return;
259 } 257 }
260 bf = avp->av_bcbuf; 258 bf = avp->av_bcbuf;
@@ -266,7 +264,7 @@ static void ath_beacon_start_adhoc(struct ath_softc *sc, int if_id)
266 /* NB: caller is known to have already stopped tx dma */ 264 /* NB: caller is known to have already stopped tx dma */
267 ath9k_hw_puttxbuf(ah, sc->sc_bhalq, bf->bf_daddr); 265 ath9k_hw_puttxbuf(ah, sc->sc_bhalq, bf->bf_daddr);
268 ath9k_hw_txstart(ah, sc->sc_bhalq); 266 ath9k_hw_txstart(ah, sc->sc_bhalq);
269 DPRINTF(sc, ATH_DBG_BEACON, "%s: TXDP%u = %llx (%p)\n", __func__, 267 DPRINTF(sc, ATH_DBG_BEACON, "TXDP%u = %llx (%p)\n",
270 sc->sc_bhalq, ito64(bf->bf_daddr), bf->bf_desc); 268 sc->sc_bhalq, ito64(bf->bf_daddr), bf->bf_desc);
271} 269}
272 270
@@ -351,8 +349,7 @@ int ath_beacon_alloc(struct ath_softc *sc, int if_id)
351 */ 349 */
352 skb = ieee80211_beacon_get(sc->hw, vif); 350 skb = ieee80211_beacon_get(sc->hw, vif);
353 if (skb == NULL) { 351 if (skb == NULL) {
354 DPRINTF(sc, ATH_DBG_BEACON, "%s: cannot get skb\n", 352 DPRINTF(sc, ATH_DBG_BEACON, "cannot get skb\n");
355 __func__);
356 return -ENOMEM; 353 return -ENOMEM;
357 } 354 }
358 355
@@ -388,8 +385,7 @@ int ath_beacon_alloc(struct ath_softc *sc, int if_id)
388 val = cpu_to_le64(tsfadjust << 10); /* TU->TSF */ 385 val = cpu_to_le64(tsfadjust << 10); /* TU->TSF */
389 386
390 DPRINTF(sc, ATH_DBG_BEACON, 387 DPRINTF(sc, ATH_DBG_BEACON,
391 "%s: %s beacons, bslot %d intval %u tsfadjust %llu\n", 388 "stagger beacons, bslot %d intval %u tsfadjust %llu\n",
392 __func__, "stagger",
393 avp->av_bslot, intval, (unsigned long long)tsfadjust); 389 avp->av_bslot, intval, (unsigned long long)tsfadjust);
394 390
395 hdr = (struct ieee80211_hdr *)skb->data; 391 hdr = (struct ieee80211_hdr *)skb->data;
@@ -468,40 +464,39 @@ void ath9k_beacon_tasklet(unsigned long data)
468 if (sc->sc_bmisscount < BSTUCK_THRESH) { 464 if (sc->sc_bmisscount < BSTUCK_THRESH) {
469 if (sc->sc_flags & SC_OP_NO_RESET) { 465 if (sc->sc_flags & SC_OP_NO_RESET) {
470 DPRINTF(sc, ATH_DBG_BEACON, 466 DPRINTF(sc, ATH_DBG_BEACON,
471 "%s: missed %u consecutive beacons\n", 467 "missed %u consecutive beacons\n",
472 __func__, sc->sc_bmisscount); 468 sc->sc_bmisscount);
473 if (show_cycles) { 469 if (show_cycles) {
474 /* 470 /*
475 * Display cycle counter stats from HW 471 * Display cycle counter stats from HW
476 * to aide in debug of stickiness. 472 * to aide in debug of stickiness.
477 */ 473 */
478 DPRINTF(sc, ATH_DBG_BEACON, 474 DPRINTF(sc, ATH_DBG_BEACON,
479 "%s: busy times: rx_clear=%d, " 475 "busy times: rx_clear=%d, "
480 "rx_frame=%d, tx_frame=%d\n", 476 "rx_frame=%d, tx_frame=%d\n",
481 __func__, rx_clear, rx_frame, 477 rx_clear, rx_frame,
482 tx_frame); 478 tx_frame);
483 } else { 479 } else {
484 DPRINTF(sc, ATH_DBG_BEACON, 480 DPRINTF(sc, ATH_DBG_BEACON,
485 "%s: unable to obtain " 481 "unable to obtain "
486 "busy times\n", __func__); 482 "busy times\n");
487 } 483 }
488 } else { 484 } else {
489 DPRINTF(sc, ATH_DBG_BEACON, 485 DPRINTF(sc, ATH_DBG_BEACON,
490 "%s: missed %u consecutive beacons\n", 486 "missed %u consecutive beacons\n",
491 __func__, sc->sc_bmisscount); 487 sc->sc_bmisscount);
492 } 488 }
493 } else if (sc->sc_bmisscount >= BSTUCK_THRESH) { 489 } else if (sc->sc_bmisscount >= BSTUCK_THRESH) {
494 if (sc->sc_flags & SC_OP_NO_RESET) { 490 if (sc->sc_flags & SC_OP_NO_RESET) {
495 if (sc->sc_bmisscount == BSTUCK_THRESH) { 491 if (sc->sc_bmisscount == BSTUCK_THRESH) {
496 DPRINTF(sc, ATH_DBG_BEACON, 492 DPRINTF(sc, ATH_DBG_BEACON,
497 "%s: beacon is officially " 493 "beacon is officially "
498 "stuck\n", __func__); 494 "stuck\n");
499 ath9k_hw_dmaRegDump(ah); 495 ath9k_hw_dmaRegDump(ah);
500 } 496 }
501 } else { 497 } else {
502 DPRINTF(sc, ATH_DBG_BEACON, 498 DPRINTF(sc, ATH_DBG_BEACON,
503 "%s: beacon is officially stuck\n", 499 "beacon is officially stuck\n");
504 __func__);
505 ath_bstuck_process(sc); 500 ath_bstuck_process(sc);
506 } 501 }
507 } 502 }
@@ -511,12 +506,12 @@ void ath9k_beacon_tasklet(unsigned long data)
511 if (sc->sc_bmisscount != 0) { 506 if (sc->sc_bmisscount != 0) {
512 if (sc->sc_flags & SC_OP_NO_RESET) { 507 if (sc->sc_flags & SC_OP_NO_RESET) {
513 DPRINTF(sc, ATH_DBG_BEACON, 508 DPRINTF(sc, ATH_DBG_BEACON,
514 "%s: resume beacon xmit after %u misses\n", 509 "resume beacon xmit after %u misses\n",
515 __func__, sc->sc_bmisscount); 510 sc->sc_bmisscount);
516 } else { 511 } else {
517 DPRINTF(sc, ATH_DBG_BEACON, 512 DPRINTF(sc, ATH_DBG_BEACON,
518 "%s: resume beacon xmit after %u misses\n", 513 "resume beacon xmit after %u misses\n",
519 __func__, sc->sc_bmisscount); 514 sc->sc_bmisscount);
520 } 515 }
521 sc->sc_bmisscount = 0; 516 sc->sc_bmisscount = 0;
522 } 517 }
@@ -536,8 +531,8 @@ void ath9k_beacon_tasklet(unsigned long data)
536 if_id = sc->sc_bslot[(slot + 1) % ATH_BCBUF]; 531 if_id = sc->sc_bslot[(slot + 1) % ATH_BCBUF];
537 532
538 DPRINTF(sc, ATH_DBG_BEACON, 533 DPRINTF(sc, ATH_DBG_BEACON,
539 "%s: slot %d [tsf %llu tsftu %u intval %u] if_id %d\n", 534 "slot %d [tsf %llu tsftu %u intval %u] if_id %d\n",
540 __func__, slot, (unsigned long long)tsf, tsftu, 535 slot, (unsigned long long)tsf, tsftu,
541 intval, if_id); 536 intval, if_id);
542 537
543 bfaddr = 0; 538 bfaddr = 0;
@@ -580,8 +575,7 @@ void ath9k_beacon_tasklet(unsigned long data)
580 */ 575 */
581 if (!ath9k_hw_stoptxdma(ah, sc->sc_bhalq)) { 576 if (!ath9k_hw_stoptxdma(ah, sc->sc_bhalq)) {
582 DPRINTF(sc, ATH_DBG_FATAL, 577 DPRINTF(sc, ATH_DBG_FATAL,
583 "%s: beacon queue %u did not stop?\n", 578 "beacon queue %u did not stop?\n", sc->sc_bhalq);
584 __func__, sc->sc_bhalq);
585 /* NB: the HAL still stops DMA, so proceed */ 579 /* NB: the HAL still stops DMA, so proceed */
586 } 580 }
587 581
@@ -658,8 +652,8 @@ void ath_beacon_config(struct ath_softc *sc, int if_id)
658 else if (intval) /* NB: can be 0 for monitor mode */ 652 else if (intval) /* NB: can be 0 for monitor mode */
659 nexttbtt = roundup(nexttbtt, intval); 653 nexttbtt = roundup(nexttbtt, intval);
660 654
661 DPRINTF(sc, ATH_DBG_BEACON, "%s: nexttbtt %u intval %u (%u)\n", 655 DPRINTF(sc, ATH_DBG_BEACON, "nexttbtt %u intval %u (%u)\n",
662 __func__, nexttbtt, intval, conf.beacon_interval); 656 nexttbtt, intval, conf.beacon_interval);
663 657
664 /* Check for ATH9K_M_HOSTAP and sc_nostabeacons for WDS client */ 658 /* Check for ATH9K_M_HOSTAP and sc_nostabeacons for WDS client */
665 if (sc->sc_ah->ah_opmode == ATH9K_M_STA) { 659 if (sc->sc_ah->ah_opmode == ATH9K_M_STA) {
@@ -746,7 +740,7 @@ void ath_beacon_config(struct ath_softc *sc, int if_id)
746 bs.bs_sleepduration = bs.bs_dtimperiod; 740 bs.bs_sleepduration = bs.bs_dtimperiod;
747 741
748 DPRINTF(sc, ATH_DBG_BEACON, 742 DPRINTF(sc, ATH_DBG_BEACON,
749 "%s: tsf %llu " 743 "tsf %llu "
750 "tsf:tu %u " 744 "tsf:tu %u "
751 "intval %u " 745 "intval %u "
752 "nexttbtt %u " 746 "nexttbtt %u "
@@ -758,7 +752,6 @@ void ath_beacon_config(struct ath_softc *sc, int if_id)
758 "maxdur %u " 752 "maxdur %u "
759 "next %u " 753 "next %u "
760 "timoffset %u\n", 754 "timoffset %u\n",
761 __func__,
762 (unsigned long long)tsf, tsftu, 755 (unsigned long long)tsf, tsftu,
763 bs.bs_intval, 756 bs.bs_intval,
764 bs.bs_nexttbtt, 757 bs.bs_nexttbtt,
@@ -798,8 +791,8 @@ void ath_beacon_config(struct ath_softc *sc, int if_id)
798 } 791 }
799#undef FUDGE 792#undef FUDGE
800 DPRINTF(sc, ATH_DBG_BEACON, 793 DPRINTF(sc, ATH_DBG_BEACON,
801 "%s: IBSS nexttbtt %u intval %u (%u)\n", 794 "IBSS nexttbtt %u intval %u (%u)\n",
802 __func__, nexttbtt, 795 nexttbtt,
803 intval & ~ATH9K_BEACON_RESET_TSF, 796 intval & ~ATH9K_BEACON_RESET_TSF,
804 conf.beacon_interval); 797 conf.beacon_interval);
805 798
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-22 20:04:10 -0500