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ath9k: Refactor struct ath_softc

瀏覽代碼 
Split ath_softc into smaller structures for rx, tx and beacon
handling.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
此提交包含在：
Sujith
2008-12-07 21:44:03 +05:30
提交者 John W. Linville
父節點 59651e8918
當前提交 b77f483fcf
共有 5 個檔案被更改，包括 256 行新增 和 269 行删除
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94
drivers/net/wireless/ath9k/beacon.c
查看文件

@@ -26,7 +26,7 @@ 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);
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;
@@ -34,17 +34,17 @@ static int ath_beaconq_config(struct ath_softc *sc)
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,
"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;
}
}
@@ -53,7 +53,7 @@ static void ath_bstuck_process(struct ath_softc *sc)
{
DPRINTF(sc, ATH_DBG_BEACON,
"stuck beacon; resetting (bmiss count %u)\n",
sc->sc_bmisscount);
sc->beacon.bmisscnt);
ath_reset(sc, false);
}
@@ -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;
@@ -153,7 +153,7 @@ static struct ath_buf *ath_beacon_generate(struct ath_softc *sc, int if_id)
ASSERT(vif);
avp = (void *)vif->drv_priv;
cabq = sc->sc_cabq;
cabq = sc->beacon.cabq;
if (avp->av_bcbuf == NULL) {
DPRINTF(sc, ATH_DBG_BEACON, "avp=%p av_bcbuf=%p\n",
@@ -182,9 +182,9 @@ 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 =
@@ -270,10 +270,10 @@ 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);
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->sc_bhalq, ito64(bf->bf_daddr), bf->bf_desc);
sc->beacon.beaconq, ito64(bf->bf_daddr), bf->bf_desc);
}
int ath_beaconq_setup(struct ath_hal *ah)
@@ -306,7 +306,7 @@ int ath_beacon_alloc(struct ath_softc *sc, int if_id)
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);
@@ -319,13 +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;
@@ -333,8 +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++;
}
}
@@ -362,7 +362,7 @@ int ath_beacon_alloc(struct ath_softc *sc, int if_id)
}
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
@@ -422,7 +422,7 @@ void ath_beacon_return(struct ath_softc *sc, struct ath_vap *avp)
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--;
}
@@ -435,7 +435,7 @@ 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;
}
@@ -469,18 +469,18 @@ 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,
"missed %u consecutive beacons\n",
sc->sc_bmisscount);
sc->beacon.bmisscnt);
if (show_cycles) {
/*
* Display cycle counter stats from HW
@@ -499,11 +499,11 @@ void ath9k_beacon_tasklet(unsigned long data)
} else {
DPRINTF(sc, ATH_DBG_BEACON,
"missed %u consecutive beacons\n",
sc->sc_bmisscount);
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,
"beacon is officially "
"stuck\n");
@@ -517,17 +517,17 @@ void ath9k_beacon_tasklet(unsigned long data)
return;
}
if (sc->sc_bmisscount != 0) {
if (sc->beacon.bmisscnt != 0) {
if (sc->sc_flags & SC_OP_NO_RESET) {
DPRINTF(sc, ATH_DBG_BEACON,
"resume beacon xmit after %u misses\n",
sc->sc_bmisscount);
sc->beacon.bmisscnt);
} else {
DPRINTF(sc, ATH_DBG_BEACON,
"resume beacon xmit after %u misses\n",
sc->sc_bmisscount);
sc->beacon.bmisscnt);
}
sc->sc_bmisscount = 0;
sc->beacon.bmisscnt = 0;
}
/*
@@ -542,7 +542,7 @@ 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,
"slot %d [tsf %llu tsftu %u intval %u] if_id %d\n",
@@ -574,12 +574,12 @@ 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) {
ath9k_hw_setslottime(sc->sc_ah, sc->sc_slottime);
sc->sc_updateslot = OK;
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) {
/*
@@ -587,17 +587,17 @@ void ath9k_beacon_tasklet(unsigned long data)
* 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,
"beacon queue %u did not stop?\n", 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? */
}
}
@@ -644,7 +644,7 @@ 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 == NL80211_IFTYPE_AP) {
@@ -831,7 +831,7 @@ 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