Date: Sun, 7 May 2006 21:46:07 -0300 From: JoaoBR <joao@matik.com.br> To: freebsd-stable@freebsd.org Cc: current@freebsd.org Subject: Re: CFT: new ath hal (take 2) Message-ID: <200605072146.07500.joao@matik.com.br> In-Reply-To: <200605072139.34339.joao@matik.com.br> References: <445D3C94.10102@errno.com> <200605072139.34339.joao@matik.com.br>
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On Sunday 07 May 2006 21:39, JoaoBR wrote:
the former patch was the wrong one, sorry
Jo=E3o
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--- if_ath.c.ori Sun May 7 20:38:42 2006
+++ if_ath.c Sun May 7 07:18:07 2006
@@ -293,7 +293,8 @@
if_initname(ifp, device_get_name(sc->sc_dev),
device_get_unit(sc->sc_dev));
- ah = ath_hal_attach(devid, sc, sc->sc_st, sc->sc_sh, &status);
+ ah = ath_hal_attach(devid, sc, (HAL_BUS_TAG) sc->sc_st,
+ (HAL_BUS_HANDLE) sc->sc_sh, &status);
if (ah == NULL) {
if_printf(ifp, "unable to attach hardware; HAL status %u\n",
status);
@@ -817,8 +810,21 @@
{
struct ath_softc *sc = arg;
struct ifnet *ifp = sc->sc_ifp;
+ u_int32_t *state;
+ u_int32_t len;
if_printf(ifp, "hardware error; resetting\n");
+ /*
+ * Fatal errors are unrecoverable. Typically these
+ * are caused by DMA errors. Collect h/w state from
+ * the hal so we can diagnose what's going on.
+ */
+ if (ath_hal_getfatalstate(sc->sc_ah, &state, &len)) {
+ KASSERT(len >= 6*sizeof(u_int32_t), ("len %u bytes", len));
+ if_printf(ifp, "0x%08x 0x%08x 0x%08x, 0x%08x 0x%08x 0x%08x\n",
+ state[0], state[1] , state[2], state[3],
+ state[4], state[5]);
+ }
ath_reset(ifp);
}
@@ -1924,7 +1930,7 @@
const HAL_RATE_TABLE *rt;
u_int8_t rix, rate;
- DPRINTF(sc, ATH_DEBUG_BEACON, "%s: m %p len %u\n",
+ DPRINTF(sc, ATH_DEBUG_BEACON_PROC, "%s: m %p len %u\n",
__func__, m, m->m_len);
/* setup descriptors */
@@ -2010,14 +2016,14 @@
}
/*
* Check if the previous beacon has gone out. If
- * not don't don't try to post another, skip this
- * period and wait for the next. Missed beacons
- * indicate a problem and should not occur. If we
- * miss too many consecutive beacons reset the device.
+ * not don't try to post another, skip this period
+ * and wait for the next. Missed beacons indicate
+ * a problem and should not occur. If we miss too
+ * many consecutive beacons reset the device.
*/
if (ath_hal_numtxpending(ah, sc->sc_bhalq) != 0) {
sc->sc_bmisscount++;
- DPRINTF(sc, ATH_DEBUG_BEACON_PROC,
+ DPRINTF(sc, ATH_DEBUG_BEACON,
"%s: missed %u consecutive beacons\n",
__func__, sc->sc_bmisscount);
if (sc->sc_bmisscount > 3) /* NB: 3 is a guess */
@@ -2568,7 +2574,6 @@
rssi = HAL_EP_RND(avgrssi, HAL_RSSI_EP_MULTIPLIER);
else
rssi = ni->ni_rssi;
- /* NB: theoretically we shouldn't need this, but be paranoid */
return rssi < 0 ? 0 : rssi > 127 ? 127 : rssi;
#undef HAL_EP_RND
}
@@ -2916,7 +2921,7 @@
/*
* Sync and unmap the frame. At this point we're
* committed to passing the mbuf somewhere so clear
- * bf_m; this means a new sk_buff must be allocated
+ * bf_m; this means a new mbuf must be allocated
* when the rx descriptor is setup again to receive
* another frame.
*/
@@ -3978,9 +3983,12 @@
ATH_TXQ_REMOVE_HEAD(txq, bf_list);
ATH_TXQ_UNLOCK(txq);
#ifdef ATH_DEBUG
- if (sc->sc_debug & ATH_DEBUG_RESET)
+ if (sc->sc_debug & ATH_DEBUG_RESET) {
ath_printtxbuf(bf, txq->axq_qnum, ix,
ath_hal_txprocdesc(ah, bf->bf_desc) == HAL_OK);
+ ieee80211_dump_pkt(mtod(bf->bf_m, caddr_t),
+ bf->bf_m->m_len, 0, -1);
+ }
#endif /* ATH_DEBUG */
bus_dmamap_unload(sc->sc_dmat, bf->bf_dmamap);
m_freem(bf->bf_m);
@@ -4004,11 +4012,11 @@
{
struct ath_hal *ah = sc->sc_ah;
- (void) ath_hal_stoptxdma(ah, txq->axq_qnum);
DPRINTF(sc, ATH_DEBUG_RESET, "%s: tx queue [%u] %p, link %p\n",
__func__, txq->axq_qnum,
(caddr_t)(uintptr_t) ath_hal_gettxbuf(ah, txq->axq_qnum),
txq->axq_link);
+ (void) ath_hal_stoptxdma(ah, txq->axq_qnum);
}
/*
@@ -4024,10 +4032,11 @@
/* XXX return value */
if (!sc->sc_invalid) {
/* don't touch the hardware if marked invalid */
+ DPRINTF(sc, ATH_DEBUG_RESET, "%s: tx queue [%u] %p, link %p\n",
+ __func__, sc->sc_bhalq,
+ (caddr_t)(uintptr_t) ath_hal_gettxbuf(ah, sc->sc_bhalq),
+ NULL);
(void) ath_hal_stoptxdma(ah, sc->sc_bhalq);
- DPRINTF(sc, ATH_DEBUG_RESET,
- "%s: beacon queue %p\n", __func__,
- (caddr_t)(uintptr_t) ath_hal_gettxbuf(ah, sc->sc_bhalq));
for (i = 0; i < HAL_NUM_TX_QUEUES; i++)
if (ATH_TXQ_SETUP(sc, i))
ath_tx_stopdma(sc, &sc->sc_txq[i]);
@@ -4035,6 +4044,17 @@
for (i = 0; i < HAL_NUM_TX_QUEUES; i++)
if (ATH_TXQ_SETUP(sc, i))
ath_tx_draintxq(sc, &sc->sc_txq[i]);
+#ifdef ATH_DEBUG
+ if (sc->sc_debug & ATH_DEBUG_RESET) {
+ struct ath_buf *bf = STAILQ_FIRST(&sc->sc_bbuf);
+ if (bf != NULL && bf->bf_m != NULL) {
+ ath_printtxbuf(bf, sc->sc_bhalq, 0,
+ ath_hal_txprocdesc(ah, bf->bf_desc) == HAL_OK);
+ ieee80211_dump_pkt(mtod(bf->bf_m, caddr_t),
+ bf->bf_m->m_len, 0, -1);
+ }
+ }
+#endif /* ATH_DEBUG */
ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
sc->sc_tx_timer = 0;
}
@@ -4567,6 +4587,9 @@
HAL_BOOL outdoor, HAL_BOOL xchanmode)
{
#define COMPAT (CHANNEL_ALL_NOTURBO|CHANNEL_PASSIVE)
+#define IS_CHAN_PUBLIC_SAFETY(_c) \
+ (((_c)->channelFlags & CHANNEL_5GHZ) && \
+ ((_c)->channel > 4940 && (_c)->channel < 4990))
struct ieee80211com *ic = &sc->sc_ic;
struct ifnet *ifp = sc->sc_ifp;
struct ath_hal *ah = sc->sc_ah;
@@ -4599,7 +4622,16 @@
HAL_CHANNEL *c = &chans[i];
u_int16_t flags;
- ix = ath_hal_mhz2ieee(ah, c->channel, c->channelFlags);
+ /*
+ * XXX we're not ready to handle the ieee number mapping
+ * for public safety channels as they overlap with any
+ * 2GHz channels; for now use the non-public safety
+ * numbering which is non-overlapping.
+ */
+ if (IS_CHAN_PUBLIC_SAFETY(c))
+ ix = (c->channel - 4000) / 5;
+ else
+ ix = ath_hal_mhz2ieee(ah, c->channel, c->channelFlags);
if (ix > IEEE80211_CHAN_MAX) {
if_printf(ifp, "bad hal channel %d (%u/%x) ignored\n",
ix, c->channel, c->channelFlags);
@@ -4632,6 +4664,7 @@
}
free(chans, M_TEMP);
return 0;
+#undef IS_CHAN_PUBLIC_SAFETY
#undef COMPAT
}
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