diff options
author | David Woodhouse <David.Woodhouse@intel.com> | 2009-01-05 10:50:33 +0100 |
---|---|---|
committer | David Woodhouse <David.Woodhouse@intel.com> | 2009-01-05 10:50:33 +0100 |
commit | 353816f43d1fb340ff2d9a911dd5d0799c09f6a5 (patch) | |
tree | 517290fd884d286fe2971137ac89f89e3567785a /drivers/net/wireless/ath9k/beacon.c | |
parent | 160bbab3000dafccbe43688e48208cecf4deb879 (diff) | |
parent | fe0bdec68b77020281dc814805edfe594ae89e0f (diff) |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
arch/arm/mach-pxa/corgi.c
arch/arm/mach-pxa/poodle.c
arch/arm/mach-pxa/spitz.c
Diffstat (limited to 'drivers/net/wireless/ath9k/beacon.c')
-rw-r--r-- | drivers/net/wireless/ath9k/beacon.c | 319 |
1 files changed, 144 insertions, 175 deletions
diff --git a/drivers/net/wireless/ath9k/beacon.c b/drivers/net/wireless/ath9k/beacon.c index 4dd1c1bda0f..3ab0b43aaf9 100644 --- a/drivers/net/wireless/ath9k/beacon.c +++ b/drivers/net/wireless/ath9k/beacon.c @@ -14,13 +14,9 @@ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ - /* Implementation of beacon processing. */ - #include "core.h" /* - * Configure parameters for the beacon queue - * * This function will modify certain transmit queue properties depending on * the operating mode of the station (AP or AdHoc). Parameters are AIFS * settings and channel width min/max @@ -30,33 +26,38 @@ static int ath_beaconq_config(struct ath_softc *sc) struct ath_hal *ah = sc->sc_ah; struct ath9k_tx_queue_info qi; - ath9k_hw_get_txq_props(ah, sc->sc_bhalq, &qi); - if (sc->sc_ah->ah_opmode == ATH9K_M_HOSTAP) { + ath9k_hw_get_txq_props(ah, sc->beacon.beaconq, &qi); + if (sc->sc_ah->ah_opmode == NL80211_IFTYPE_AP) { /* Always burst out beacon and CAB traffic. */ qi.tqi_aifs = 1; qi.tqi_cwmin = 0; qi.tqi_cwmax = 0; } else { /* Adhoc mode; important thing is to use 2x cwmin. */ - qi.tqi_aifs = sc->sc_beacon_qi.tqi_aifs; - qi.tqi_cwmin = 2*sc->sc_beacon_qi.tqi_cwmin; - qi.tqi_cwmax = sc->sc_beacon_qi.tqi_cwmax; + qi.tqi_aifs = sc->beacon.beacon_qi.tqi_aifs; + qi.tqi_cwmin = 2*sc->beacon.beacon_qi.tqi_cwmin; + qi.tqi_cwmax = sc->beacon.beacon_qi.tqi_cwmax; } - if (!ath9k_hw_set_txq_props(ah, sc->sc_bhalq, &qi)) { + if (!ath9k_hw_set_txq_props(ah, sc->beacon.beaconq, &qi)) { DPRINTF(sc, ATH_DBG_FATAL, - "%s: unable to update h/w beacon queue parameters\n", - __func__); + "unable to update h/w beacon queue parameters\n"); return 0; } else { - ath9k_hw_resettxqueue(ah, sc->sc_bhalq); /* push to h/w */ + ath9k_hw_resettxqueue(ah, sc->beacon.beaconq); /* push to h/w */ return 1; } } +static void ath_bstuck_process(struct ath_softc *sc) +{ + DPRINTF(sc, ATH_DBG_BEACON, + "stuck beacon; resetting (bmiss count %u)\n", + sc->beacon.bmisscnt); + ath_reset(sc, false); +} + /* - * Setup the beacon frame for transmit. - * * Associates the beacon frame buffer with a transmit descriptor. Will set * up all required antenna switch parameters, rate codes, and channel flags. * Beacons are always sent out at the lowest rate, and are not retried. @@ -68,21 +69,20 @@ static void ath_beacon_setup(struct ath_softc *sc, struct ath_hal *ah = sc->sc_ah; struct ath_desc *ds; struct ath9k_11n_rate_series series[4]; - const struct ath9k_rate_table *rt; + struct ath_rate_table *rt; int flags, antenna; u8 rix, rate; int ctsrate = 0; int ctsduration = 0; - DPRINTF(sc, ATH_DBG_BEACON, "%s: m %p len %u\n", - __func__, skb, skb->len); + DPRINTF(sc, ATH_DBG_BEACON, "m %p len %u\n", skb, skb->len); /* setup descriptors */ ds = bf->bf_desc; flags = ATH9K_TXDESC_NOACK; - if (sc->sc_ah->ah_opmode == ATH9K_M_IBSS && + if (sc->sc_ah->ah_opmode == NL80211_IFTYPE_ADHOC && (ah->ah_caps.hw_caps & ATH9K_HW_CAP_VEOL)) { ds->ds_link = bf->bf_daddr; /* self-linked */ flags |= ATH9K_TXDESC_VEOL; @@ -96,7 +96,7 @@ static void ath_beacon_setup(struct ath_softc *sc, * SWBA's * XXX assumes two antenna */ - antenna = ((sc->ast_be_xmit / sc->sc_nbcnvaps) & 1 ? 2 : 1); + antenna = ((sc->beacon.ast_be_xmit / sc->sc_nbcnvaps) & 1 ? 2 : 1); } ds->ds_data = bf->bf_buf_addr; @@ -106,15 +106,15 @@ static void ath_beacon_setup(struct ath_softc *sc, * XXX everything at min xmit rate */ rix = 0; - rt = sc->sc_currates; - rate = rt->info[rix].rateCode; + rt = sc->cur_rate_table; + rate = rt->info[rix].ratecode; if (sc->sc_flags & SC_OP_PREAMBLE_SHORT) - rate |= rt->info[rix].shortPreamble; + rate |= rt->info[rix].short_preamble; ath9k_hw_set11n_txdesc(ah, ds, skb->len + FCS_LEN, /* frame length */ ATH9K_PKT_TYPE_BEACON, /* Atheros packet type */ - avp->av_btxctl.txpower, /* txpower XXX */ + MAX_RATE_POWER, /* FIXME */ ATH9K_TXKEYIX_INVALID, /* no encryption */ ATH9K_KEY_TYPE_CLEAR, /* no encryption */ flags /* no ack, @@ -138,31 +138,26 @@ static void ath_beacon_setup(struct ath_softc *sc, ctsrate, ctsduration, series, 4, 0); } -/* - * Generate beacon frame and queue cab data for a vap. - * - * Updates the contents of the beacon frame. It is assumed that the buffer for - * the beacon frame has been allocated in the ATH object, and simply needs to - * be filled for this cycle. Also, any CAB (crap after beacon?) traffic will - * be added to the beacon frame at this point. -*/ +/* Generate beacon frame and queue cab data for a vap */ static struct ath_buf *ath_beacon_generate(struct ath_softc *sc, int if_id) { struct ath_buf *bf; struct ath_vap *avp; struct sk_buff *skb; struct ath_txq *cabq; + struct ieee80211_vif *vif; struct ieee80211_tx_info *info; int cabq_depth; - avp = sc->sc_vaps[if_id]; - ASSERT(avp); + vif = sc->sc_vaps[if_id]; + ASSERT(vif); - cabq = sc->sc_cabq; + avp = (void *)vif->drv_priv; + cabq = sc->beacon.cabq; if (avp->av_bcbuf == NULL) { - DPRINTF(sc, ATH_DBG_BEACON, "%s: avp=%p av_bcbuf=%p\n", - __func__, avp, avp->av_bcbuf); + DPRINTF(sc, ATH_DBG_BEACON, "avp=%p av_bcbuf=%p\n", + avp, avp->av_bcbuf); return NULL; } @@ -172,9 +167,10 @@ static struct ath_buf *ath_beacon_generate(struct ath_softc *sc, int if_id) pci_unmap_single(sc->pdev, bf->bf_dmacontext, skb->len, PCI_DMA_TODEVICE); + dev_kfree_skb_any(skb); } - skb = ieee80211_beacon_get(sc->hw, avp->av_if_data); + skb = ieee80211_beacon_get(sc->hw, vif); bf->bf_mpdu = skb; if (skb == NULL) return NULL; @@ -186,17 +182,24 @@ static struct ath_buf *ath_beacon_generate(struct ath_softc *sc, int if_id) * TX frames) */ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; - sc->seq_no += 0x10; + sc->tx.seq_no += 0x10; hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG); - hdr->seq_ctrl |= cpu_to_le16(sc->seq_no); + hdr->seq_ctrl |= cpu_to_le16(sc->tx.seq_no); } bf->bf_buf_addr = bf->bf_dmacontext = pci_map_single(sc->pdev, skb->data, skb->len, PCI_DMA_TODEVICE); + if (unlikely(pci_dma_mapping_error(sc->pdev, bf->bf_buf_addr))) { + dev_kfree_skb_any(skb); + bf->bf_mpdu = NULL; + DPRINTF(sc, ATH_DBG_CONFIG, + "pci_dma_mapping_error() on beaconing\n"); + return NULL; + } - skb = ieee80211_get_buffered_bc(sc->hw, avp->av_if_data); + skb = ieee80211_get_buffered_bc(sc->hw, vif); /* * if the CABQ traffic from previous DTIM is pending and the current @@ -219,7 +222,7 @@ static struct ath_buf *ath_beacon_generate(struct ath_softc *sc, int if_id) if (sc->sc_nvaps > 1) { ath_tx_draintxq(sc, cabq, false); DPRINTF(sc, ATH_DBG_BEACON, - "%s: flush previous cabq traffic\n", __func__); + "flush previous cabq traffic\n"); } } @@ -232,7 +235,7 @@ static struct ath_buf *ath_beacon_generate(struct ath_softc *sc, int if_id) */ while (skb) { ath_tx_cabq(sc, skb); - skb = ieee80211_get_buffered_bc(sc->hw, avp->av_if_data); + skb = ieee80211_get_buffered_bc(sc->hw, vif); } return bf; @@ -244,17 +247,20 @@ static struct ath_buf *ath_beacon_generate(struct ath_softc *sc, int if_id) */ static void ath_beacon_start_adhoc(struct ath_softc *sc, int if_id) { + struct ieee80211_vif *vif; struct ath_hal *ah = sc->sc_ah; struct ath_buf *bf; struct ath_vap *avp; struct sk_buff *skb; - avp = sc->sc_vaps[if_id]; - ASSERT(avp); + vif = sc->sc_vaps[if_id]; + ASSERT(vif); + + avp = (void *)vif->drv_priv; if (avp->av_bcbuf == NULL) { - DPRINTF(sc, ATH_DBG_BEACON, "%s: avp=%p av_bcbuf=%p\n", - __func__, avp, avp != NULL ? avp->av_bcbuf : NULL); + DPRINTF(sc, ATH_DBG_BEACON, "avp=%p av_bcbuf=%p\n", + avp, avp != NULL ? avp->av_bcbuf : NULL); return; } bf = avp->av_bcbuf; @@ -264,20 +270,12 @@ static void ath_beacon_start_adhoc(struct ath_softc *sc, int if_id) ath_beacon_setup(sc, avp, bf); /* NB: caller is known to have already stopped tx dma */ - ath9k_hw_puttxbuf(ah, sc->sc_bhalq, bf->bf_daddr); - ath9k_hw_txstart(ah, sc->sc_bhalq); - DPRINTF(sc, ATH_DBG_BEACON, "%s: TXDP%u = %llx (%p)\n", __func__, - sc->sc_bhalq, ito64(bf->bf_daddr), bf->bf_desc); + ath9k_hw_puttxbuf(ah, sc->beacon.beaconq, bf->bf_daddr); + ath9k_hw_txstart(ah, sc->beacon.beaconq); + DPRINTF(sc, ATH_DBG_BEACON, "TXDP%u = %llx (%p)\n", + sc->beacon.beaconq, ito64(bf->bf_daddr), bf->bf_desc); } -/* - * Setup a h/w transmit queue for beacons. - * - * This function allocates an information structure (struct ath9k_txq_info) - * on the stack, sets some specific parameters (zero out channel width - * min/max, and enable aifs). The info structure does not need to be - * persistant. -*/ int ath_beaconq_setup(struct ath_hal *ah) { struct ath9k_tx_queue_info qi; @@ -290,35 +288,29 @@ int ath_beaconq_setup(struct ath_hal *ah) return ath9k_hw_setuptxqueue(ah, ATH9K_TX_QUEUE_BEACON, &qi); } - -/* - * Allocate and setup an initial beacon frame. - * - * Allocate a beacon state variable for a specific VAP instance created on - * the ATH interface. This routine also calculates the beacon "slot" for - * staggared beacons in the mBSSID case. -*/ int ath_beacon_alloc(struct ath_softc *sc, int if_id) { + struct ieee80211_vif *vif; struct ath_vap *avp; struct ieee80211_hdr *hdr; struct ath_buf *bf; struct sk_buff *skb; __le64 tstamp; - avp = sc->sc_vaps[if_id]; - ASSERT(avp); + vif = sc->sc_vaps[if_id]; + ASSERT(vif); + + avp = (void *)vif->drv_priv; /* Allocate a beacon descriptor if we haven't done so. */ if (!avp->av_bcbuf) { /* Allocate beacon state for hostap/ibss. We know * a buffer is available. */ - - avp->av_bcbuf = list_first_entry(&sc->sc_bbuf, + avp->av_bcbuf = list_first_entry(&sc->beacon.bbuf, struct ath_buf, list); list_del(&avp->av_bcbuf->list); - if (sc->sc_ah->ah_opmode == ATH9K_M_HOSTAP || + if (sc->sc_ah->ah_opmode == NL80211_IFTYPE_AP || !(sc->sc_ah->ah_caps.hw_caps & ATH9K_HW_CAP_VEOL)) { int slot; /* @@ -327,13 +319,13 @@ int ath_beacon_alloc(struct ath_softc *sc, int if_id) */ avp->av_bslot = 0; for (slot = 0; slot < ATH_BCBUF; slot++) - if (sc->sc_bslot[slot] == ATH_IF_ID_ANY) { + if (sc->beacon.bslot[slot] == ATH_IF_ID_ANY) { /* * XXX hack, space out slots to better * deal with misses */ if (slot+1 < ATH_BCBUF && - sc->sc_bslot[slot+1] == + sc->beacon.bslot[slot+1] == ATH_IF_ID_ANY) { avp->av_bslot = slot+1; break; @@ -341,8 +333,8 @@ int ath_beacon_alloc(struct ath_softc *sc, int if_id) avp->av_bslot = slot; /* NB: keep looking for a double slot */ } - BUG_ON(sc->sc_bslot[avp->av_bslot] != ATH_IF_ID_ANY); - sc->sc_bslot[avp->av_bslot] = if_id; + BUG_ON(sc->beacon.bslot[avp->av_bslot] != ATH_IF_ID_ANY); + sc->beacon.bslot[avp->av_bslot] = if_id; sc->sc_nbcnvaps++; } } @@ -363,15 +355,14 @@ int ath_beacon_alloc(struct ath_softc *sc, int if_id) * FIXME: Fill avp->av_btxctl.txpower and * avp->av_btxctl.shortPreamble */ - skb = ieee80211_beacon_get(sc->hw, avp->av_if_data); + skb = ieee80211_beacon_get(sc->hw, vif); if (skb == NULL) { - DPRINTF(sc, ATH_DBG_BEACON, "%s: cannot get skb\n", - __func__); + DPRINTF(sc, ATH_DBG_BEACON, "cannot get skb\n"); return -ENOMEM; } tstamp = ((struct ieee80211_mgmt *)skb->data)->u.beacon.timestamp; - sc->bc_tstamp = le64_to_cpu(tstamp); + sc->beacon.bc_tstamp = le64_to_cpu(tstamp); /* * Calculate a TSF adjustment factor required for @@ -402,36 +393,36 @@ int ath_beacon_alloc(struct ath_softc *sc, int if_id) val = cpu_to_le64(tsfadjust << 10); /* TU->TSF */ DPRINTF(sc, ATH_DBG_BEACON, - "%s: %s beacons, bslot %d intval %u tsfadjust %llu\n", - __func__, "stagger", + "stagger beacons, bslot %d intval %u tsfadjust %llu\n", avp->av_bslot, intval, (unsigned long long)tsfadjust); hdr = (struct ieee80211_hdr *)skb->data; memcpy(&hdr[1], &val, sizeof(val)); } + bf->bf_mpdu = skb; bf->bf_buf_addr = bf->bf_dmacontext = pci_map_single(sc->pdev, skb->data, skb->len, PCI_DMA_TODEVICE); - bf->bf_mpdu = skb; + if (unlikely(pci_dma_mapping_error(sc->pdev, bf->bf_buf_addr))) { + dev_kfree_skb_any(skb); + bf->bf_mpdu = NULL; + DPRINTF(sc, ATH_DBG_CONFIG, + "pci_dma_mapping_error() on beacon alloc\n"); + return -ENOMEM; + } return 0; } -/* - * Reclaim beacon resources and return buffer to the pool. - * - * Checks the VAP to put the beacon frame buffer back to the ATH object - * queue, and de-allocates any skbs that were sent as CAB traffic. -*/ void ath_beacon_return(struct ath_softc *sc, struct ath_vap *avp) { if (avp->av_bcbuf != NULL) { struct ath_buf *bf; if (avp->av_bslot != -1) { - sc->sc_bslot[avp->av_bslot] = ATH_IF_ID_ANY; + sc->beacon.bslot[avp->av_bslot] = ATH_IF_ID_ANY; sc->sc_nbcnvaps--; } @@ -444,19 +435,12 @@ void ath_beacon_return(struct ath_softc *sc, struct ath_vap *avp) dev_kfree_skb_any(skb); bf->bf_mpdu = NULL; } - list_add_tail(&bf->list, &sc->sc_bbuf); + list_add_tail(&bf->list, &sc->beacon.bbuf); avp->av_bcbuf = NULL; } } -/* - * Tasklet for Sending Beacons - * - * Transmit one or more beacon frames at SWBA. Dynamic updates to the frame - * contents are done as needed and the slot time is also adjusted based on - * current state. -*/ void ath9k_beacon_tasklet(unsigned long data) { struct ath_softc *sc = (struct ath_softc *)data; @@ -473,9 +457,7 @@ void ath9k_beacon_tasklet(unsigned long data) if (sc->sc_flags & SC_OP_NO_RESET) { show_cycles = ath9k_hw_GetMibCycleCountsPct(ah, - &rx_clear, - &rx_frame, - &tx_frame); + &rx_clear, &rx_frame, &tx_frame); } /* @@ -487,67 +469,65 @@ void ath9k_beacon_tasklet(unsigned long data) * * FIXME: Clean up this mess !! */ - if (ath9k_hw_numtxpending(ah, sc->sc_bhalq) != 0) { - sc->sc_bmisscount++; + if (ath9k_hw_numtxpending(ah, sc->beacon.beaconq) != 0) { + sc->beacon.bmisscnt++; /* XXX: doth needs the chanchange IE countdown decremented. * We should consider adding a mac80211 call to indicate * a beacon miss so appropriate action could be taken * (in that layer). */ - if (sc->sc_bmisscount < BSTUCK_THRESH) { + if (sc->beacon.bmisscnt < BSTUCK_THRESH) { if (sc->sc_flags & SC_OP_NO_RESET) { DPRINTF(sc, ATH_DBG_BEACON, - "%s: missed %u consecutive beacons\n", - __func__, sc->sc_bmisscount); + "missed %u consecutive beacons\n", + sc->beacon.bmisscnt); if (show_cycles) { /* * Display cycle counter stats from HW * to aide in debug of stickiness. */ DPRINTF(sc, ATH_DBG_BEACON, - "%s: busy times: rx_clear=%d, " + "busy times: rx_clear=%d, " "rx_frame=%d, tx_frame=%d\n", - __func__, rx_clear, rx_frame, + rx_clear, rx_frame, tx_frame); } else { DPRINTF(sc, ATH_DBG_BEACON, - "%s: unable to obtain " - "busy times\n", __func__); + "unable to obtain " + "busy times\n"); } } else { DPRINTF(sc, ATH_DBG_BEACON, - "%s: missed %u consecutive beacons\n", - __func__, sc->sc_bmisscount); + "missed %u consecutive beacons\n", + sc->beacon.bmisscnt); } - } else if (sc->sc_bmisscount >= BSTUCK_THRESH) { + } else if (sc->beacon.bmisscnt >= BSTUCK_THRESH) { if (sc->sc_flags & SC_OP_NO_RESET) { - if (sc->sc_bmisscount == BSTUCK_THRESH) { + if (sc->beacon.bmisscnt == BSTUCK_THRESH) { DPRINTF(sc, ATH_DBG_BEACON, - "%s: beacon is officially " - "stuck\n", __func__); - ath9k_hw_dmaRegDump(ah); + "beacon is officially " + "stuck\n"); } } else { DPRINTF(sc, ATH_DBG_BEACON, - "%s: beacon is officially stuck\n", - __func__); + "beacon is officially stuck\n"); ath_bstuck_process(sc); } } return; } - if (sc->sc_bmisscount != 0) { + if (sc->beacon.bmisscnt != 0) { if (sc->sc_flags & SC_OP_NO_RESET) { DPRINTF(sc, ATH_DBG_BEACON, - "%s: resume beacon xmit after %u misses\n", - __func__, sc->sc_bmisscount); + "resume beacon xmit after %u misses\n", + sc->beacon.bmisscnt); } else { DPRINTF(sc, ATH_DBG_BEACON, - "%s: resume beacon xmit after %u misses\n", - __func__, sc->sc_bmisscount); + "resume beacon xmit after %u misses\n", + sc->beacon.bmisscnt); } - sc->sc_bmisscount = 0; + sc->beacon.bmisscnt = 0; } /* @@ -562,11 +542,11 @@ void ath9k_beacon_tasklet(unsigned long data) tsf = ath9k_hw_gettsf64(ah); tsftu = TSF_TO_TU(tsf>>32, tsf); slot = ((tsftu % intval) * ATH_BCBUF) / intval; - if_id = sc->sc_bslot[(slot + 1) % ATH_BCBUF]; + if_id = sc->beacon.bslot[(slot + 1) % ATH_BCBUF]; DPRINTF(sc, ATH_DBG_BEACON, - "%s: slot %d [tsf %llu tsftu %u intval %u] if_id %d\n", - __func__, slot, (unsigned long long)tsf, tsftu, + "slot %d [tsf %llu tsftu %u intval %u] if_id %d\n", + slot, (unsigned long long)tsf, tsftu, intval, if_id); bfaddr = 0; @@ -594,48 +574,34 @@ void ath9k_beacon_tasklet(unsigned long data) * set to ATH_BCBUF so this check is a noop. */ /* XXX locking */ - if (sc->sc_updateslot == UPDATE) { - sc->sc_updateslot = COMMIT; /* commit next beacon */ - sc->sc_slotupdate = slot; - } else if (sc->sc_updateslot == COMMIT && sc->sc_slotupdate == slot) - ath_setslottime(sc); /* commit change to hardware */ - + if (sc->beacon.updateslot == UPDATE) { + sc->beacon.updateslot = COMMIT; /* commit next beacon */ + sc->beacon.slotupdate = slot; + } else if (sc->beacon.updateslot == COMMIT && sc->beacon.slotupdate == slot) { + ath9k_hw_setslottime(sc->sc_ah, sc->beacon.slottime); + sc->beacon.updateslot = OK; + } if (bfaddr != 0) { /* * Stop any current dma and put the new frame(s) on the queue. * This should never fail since we check above that no frames * are still pending on the queue. */ - if (!ath9k_hw_stoptxdma(ah, sc->sc_bhalq)) { + if (!ath9k_hw_stoptxdma(ah, sc->beacon.beaconq)) { DPRINTF(sc, ATH_DBG_FATAL, - "%s: beacon queue %u did not stop?\n", - __func__, sc->sc_bhalq); + "beacon queue %u did not stop?\n", sc->beacon.beaconq); /* NB: the HAL still stops DMA, so proceed */ } /* NB: cabq traffic should already be queued and primed */ - ath9k_hw_puttxbuf(ah, sc->sc_bhalq, bfaddr); - ath9k_hw_txstart(ah, sc->sc_bhalq); + ath9k_hw_puttxbuf(ah, sc->beacon.beaconq, bfaddr); + ath9k_hw_txstart(ah, sc->beacon.beaconq); - sc->ast_be_xmit += bc; /* XXX per-vap? */ + sc->beacon.ast_be_xmit += bc; /* XXX per-vap? */ } } /* - * Tasklet for Beacon Stuck processing - * - * Processing for Beacon Stuck. - * Basically resets the chip. -*/ -void ath_bstuck_process(struct ath_softc *sc) -{ - DPRINTF(sc, ATH_DBG_BEACON, - "%s: stuck beacon; resetting (bmiss count %u)\n", - __func__, sc->sc_bmisscount); - ath_reset(sc, false); -} - -/* * Configure the beacon and sleep timers. * * When operating as an AP this resets the TSF and sets @@ -652,15 +618,21 @@ void ath_bstuck_process(struct ath_softc *sc) */ void ath_beacon_config(struct ath_softc *sc, int if_id) { + struct ieee80211_vif *vif; struct ath_hal *ah = sc->sc_ah; struct ath_beacon_config conf; - enum ath9k_opmode av_opmode; + struct ath_vap *avp; + enum nl80211_iftype opmode; u32 nexttbtt, intval; - if (if_id != ATH_IF_ID_ANY) - av_opmode = sc->sc_vaps[if_id]->av_opmode; - else - av_opmode = sc->sc_ah->ah_opmode; + if (if_id != ATH_IF_ID_ANY) { + vif = sc->sc_vaps[if_id]; + ASSERT(vif); + avp = (void *)vif->drv_priv; + opmode = avp->av_opmode; + } else { + opmode = sc->sc_ah->ah_opmode; + } memset(&conf, 0, sizeof(struct ath_beacon_config)); @@ -672,10 +644,10 @@ void ath_beacon_config(struct ath_softc *sc, int if_id) conf.bmiss_timeout = ATH_DEFAULT_BMISS_LIMIT * conf.beacon_interval; /* extract tstamp from last beacon and convert to TU */ - nexttbtt = TSF_TO_TU(sc->bc_tstamp >> 32, sc->bc_tstamp); + nexttbtt = TSF_TO_TU(sc->beacon.bc_tstamp >> 32, sc->beacon.bc_tstamp); /* XXX conditionalize multi-bss support? */ - if (sc->sc_ah->ah_opmode == ATH9K_M_HOSTAP) { + if (sc->sc_ah->ah_opmode == NL80211_IFTYPE_AP) { /* * For multi-bss ap support beacons are either staggered * evenly over N slots or burst together. For the former @@ -694,11 +666,11 @@ void ath_beacon_config(struct ath_softc *sc, int if_id) else if (intval) /* NB: can be 0 for monitor mode */ nexttbtt = roundup(nexttbtt, intval); - DPRINTF(sc, ATH_DBG_BEACON, "%s: nexttbtt %u intval %u (%u)\n", - __func__, nexttbtt, intval, conf.beacon_interval); + DPRINTF(sc, ATH_DBG_BEACON, "nexttbtt %u intval %u (%u)\n", + nexttbtt, intval, conf.beacon_interval); - /* Check for ATH9K_M_HOSTAP and sc_nostabeacons for WDS client */ - if (sc->sc_ah->ah_opmode == ATH9K_M_STA) { + /* Check for NL80211_IFTYPE_AP and sc_nostabeacons for WDS client */ + if (sc->sc_ah->ah_opmode == NL80211_IFTYPE_STATION) { struct ath9k_beacon_state bs; u64 tsf; u32 tsftu; @@ -782,7 +754,7 @@ void ath_beacon_config(struct ath_softc *sc, int if_id) bs.bs_sleepduration = bs.bs_dtimperiod; DPRINTF(sc, ATH_DBG_BEACON, - "%s: tsf %llu " + "tsf %llu " "tsf:tu %u " "intval %u " "nexttbtt %u " @@ -794,7 +766,6 @@ void ath_beacon_config(struct ath_softc *sc, int if_id) "maxdur %u " "next %u " "timoffset %u\n", - __func__, (unsigned long long)tsf, tsftu, bs.bs_intval, bs.bs_nexttbtt, @@ -818,7 +789,7 @@ void ath_beacon_config(struct ath_softc *sc, int if_id) ath9k_hw_set_interrupts(ah, 0); if (nexttbtt == intval) intval |= ATH9K_BEACON_RESET_TSF; - if (sc->sc_ah->ah_opmode == ATH9K_M_IBSS) { + if (sc->sc_ah->ah_opmode == NL80211_IFTYPE_ADHOC) { /* * Pull nexttbtt forward to reflect the current * TSF @@ -834,8 +805,8 @@ void ath_beacon_config(struct ath_softc *sc, int if_id) } #undef FUDGE DPRINTF(sc, ATH_DBG_BEACON, - "%s: IBSS nexttbtt %u intval %u (%u)\n", - __func__, nexttbtt, + "IBSS nexttbtt %u intval %u (%u)\n", + nexttbtt, intval & ~ATH9K_BEACON_RESET_TSF, conf.beacon_interval); @@ -850,7 +821,7 @@ void ath_beacon_config(struct ath_softc *sc, int if_id) if (!(ah->ah_caps.hw_caps & ATH9K_HW_CAP_VEOL)) sc->sc_imask |= ATH9K_INT_SWBA; ath_beaconq_config(sc); - } else if (sc->sc_ah->ah_opmode == ATH9K_M_HOSTAP) { + } else if (sc->sc_ah->ah_opmode == NL80211_IFTYPE_AP) { /* * In AP mode we enable the beacon timers and * SWBA interrupts to prepare beacon frames. @@ -860,20 +831,18 @@ void ath_beacon_config(struct ath_softc *sc, int if_id) ath_beaconq_config(sc); } ath9k_hw_beaconinit(ah, nexttbtt, intval); - sc->sc_bmisscount = 0; + sc->beacon.bmisscnt = 0; ath9k_hw_set_interrupts(ah, sc->sc_imask); /* * When using a self-linked beacon descriptor in * ibss mode load it once here. */ - if (sc->sc_ah->ah_opmode == ATH9K_M_IBSS && + if (sc->sc_ah->ah_opmode == NL80211_IFTYPE_ADHOC && (ah->ah_caps.hw_caps & ATH9K_HW_CAP_VEOL)) ath_beacon_start_adhoc(sc, 0); } } -/* Function to collect beacon rssi data and resync beacon if necessary */ - void ath_beacon_sync(struct ath_softc *sc, int if_id) { /* |