152 lines
5.1 KiB
Diff
152 lines
5.1 KiB
Diff
--- a/ath/if_ath.c
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+++ b/ath/if_ath.c
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@@ -512,7 +512,7 @@ MODULE_PARM_DESC(ieee80211_debug, "Load-
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* and use the higher bits as the index of the VAP.
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*/
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#define ATH_SET_VAP_BSSID_MASK(bssid_mask) \
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- ((bssid_mask)[0] &= ~(((ath_maxvaps-1) << 2) | 0x02))
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+ ((bssid_mask)[0] &= ~(((ATH_MAXVAPS_MAX-1) << 2) | 0x02))
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#define ATH_GET_VAP_ID(bssid) ((bssid)[0] >> 2)
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#define ATH_SET_VAP_BSSID(bssid, id) \
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do { \
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@@ -604,8 +604,8 @@ ath_attach(u_int16_t devid, struct net_d
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/* Allocate space for dynamically determined maximum VAP count */
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sc->sc_bslot =
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- kmalloc(ath_maxvaps * sizeof(struct ieee80211vap*), GFP_KERNEL);
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- memset(sc->sc_bslot, 0, ath_maxvaps * sizeof(struct ieee80211vap*));
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+ kmalloc(ATH_MAXVAPS_MAX * sizeof(struct ieee80211vap*), GFP_KERNEL);
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+ memset(sc->sc_bslot, 0, ATH_MAXVAPS_MAX * sizeof(struct ieee80211vap*));
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/*
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* Cache line size is used to size and align various
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@@ -1349,11 +1349,8 @@ ath_vap_create(struct ieee80211com *ic,
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return NULL;
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}
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- if (sc->sc_nvaps >= ath_maxvaps) {
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- EPRINTF(sc, "Too many virtual APs (%d already exist).\n",
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- sc->sc_nvaps);
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- return NULL;
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- }
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+ if ((sc->sc_nvaps >= ath_maxvaps) && (ath_maxvaps < ATH_MAXVAPS_MAX))
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+ ath_maxvaps++;
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dev = alloc_etherdev(sizeof(struct ath_vap) + sc->sc_rc->arc_vap_space);
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if (dev == NULL) {
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@@ -1451,11 +1448,11 @@ ath_vap_create(struct ieee80211com *ic,
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/* Assign the VAP to a beacon xmit slot. As
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* above, this cannot fail to find one. */
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avp->av_bslot = 0;
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- for (slot = 0; slot < ath_maxvaps; slot++)
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+ for (slot = 0; slot < ATH_MAXVAPS_MAX; slot++)
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if (sc->sc_bslot[slot] == NULL) {
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/* XXX: Hack, space out slots to better
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* deal with misses. */
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- if (slot + 1 < ath_maxvaps &&
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+ if (slot + 1 < ATH_MAXVAPS_DEFAULT &&
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sc->sc_bslot[slot+1] == NULL) {
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avp->av_bslot = slot + 1;
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break;
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@@ -1463,11 +1460,16 @@ ath_vap_create(struct ieee80211com *ic,
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avp->av_bslot = slot;
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/* NB: keep looking for a double slot */
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}
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- KASSERT(sc->sc_bslot[avp->av_bslot] == NULL,
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- ("beacon slot %u not empty?", avp->av_bslot));
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+
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+ /* No beacon slot found? */
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+ if (sc->sc_bslot[avp->av_bslot]) {
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+ free_netdev(dev);
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+ return NULL;
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+ }
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sc->sc_bslot[avp->av_bslot] = vap;
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sc->sc_nbcnvaps++;
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+#if 0
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if ((opmode == IEEE80211_M_HOSTAP) && (sc->sc_hastsfadd)) {
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/*
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* Multiple VAPs are to transmit beacons and we
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@@ -1485,6 +1487,9 @@ ath_vap_create(struct ieee80211com *ic,
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sc->sc_stagbeacons = 1;
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}
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}
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+#else
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+ sc->sc_stagbeacons = sc->sc_hastsfadd;
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+#endif
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DPRINTF(sc, ATH_DEBUG_BEACON, "sc->sc_stagbeacons %sabled\n",
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(sc->sc_stagbeacons ? "en" : "dis"));
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}
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@@ -4968,7 +4973,7 @@ ath_beacon_alloc_internal(struct ath_sof
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* has a timestamp in one beacon interval while the
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* others get a timestamp aligned to the next interval.
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*/
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- tuadjust = (ni->ni_intval * (ath_maxvaps - avp->av_bslot)) / ath_maxvaps;
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+ tuadjust = (ni->ni_intval * (ATH_MAXVAPS_DEFAULT - avp->av_bslot)) / ATH_MAXVAPS_DEFAULT;
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tsfadjust = cpu_to_le64(tuadjust << 10); /* TU->TSF */
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DPRINTF(sc, ATH_DEBUG_BEACON,
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@@ -5358,21 +5363,40 @@ ath_beacon_send(struct ath_softc *sc, in
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*/
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if (sc->sc_stagbeacons) { /* staggered beacons */
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struct ieee80211com *ic = &sc->sc_ic;
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+ u_int32_t *bflink = NULL;
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u_int32_t tsftu;
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tsftu = hw_tsf >> 10; /* NB: 64 -> 32: See note far above. */
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- slot = ((tsftu % ic->ic_lintval) * ath_maxvaps) / ic->ic_lintval;
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- vap = sc->sc_bslot[(slot + 1) % ath_maxvaps];
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+ slot = ((tsftu % ic->ic_lintval) * ATH_MAXVAPS_DEFAULT) / ic->ic_lintval;
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DPRINTF(sc, ATH_DEBUG_BEACON_PROC,
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"Slot %d [tsf %llu tsftu %llu intval %u] vap %p\n",
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slot, (unsigned long long)hw_tsf,
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(unsigned long long)tsftu, ic->ic_lintval, vap);
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bfaddr = 0;
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- if (vap != NULL) {
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+ while (slot < ATH_MAXVAPS_MAX) {
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+ vap = sc->sc_bslot[slot];
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+ if (vap == NULL)
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+ goto next;
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+
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bf = ath_beacon_generate(sc, vap, needmark);
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- if (bf != NULL)
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+ if (bf == NULL)
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+ break;
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+
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+ if (bflink != NULL)
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+#ifdef AH_NEED_DESC_SWAP
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+ *bflink = cpu_to_le32(bf->bf_daddr);
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+#else
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+ *bflink = bf->bf_daddr;
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+#endif
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+ else
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bfaddr = bf->bf_daddr;
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+
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+ bflink = &bf->bf_desc->ds_link;
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+next:
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+ slot += ATH_MAXVAPS_DEFAULT;
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}
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+ if (bflink != NULL)
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+ *bflink = 0; /* link of last frame */
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} else { /* burst'd beacons */
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u_int32_t *bflink = NULL;
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@@ -5567,7 +5591,7 @@ ath_beacon_config(struct ath_softc *sc,
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/* NB: the beacon interval is kept internally in TUs */
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intval = ic->ic_lintval & HAL_BEACON_PERIOD;
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if (sc->sc_stagbeacons)
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- intval /= ath_maxvaps; /* for staggered beacons */
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+ intval /= ATH_MAXVAPS_DEFAULT; /* for staggered beacons */
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if ((sc->sc_nostabeacons) &&
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(vap->iv_opmode == IEEE80211_M_HOSTAP))
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reset_tsf = 1;
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@@ -5889,7 +5913,7 @@ ath_desc_alloc(struct ath_softc *sc)
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/* XXX allocate beacon state together with VAP */
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error = ath_descdma_setup(sc, &sc->sc_bdma, &sc->sc_bbuf,
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- "beacon", ath_maxvaps, 1);
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+ "beacon", ATH_MAXVAPS_MAX, 1);
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if (error != 0) {
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ath_descdma_cleanup(sc, &sc->sc_txdma, &sc->sc_txbuf,
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BUS_DMA_TODEVICE);
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