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Add mesh point functionality to ath9k
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This patch enables mesh point operation for ath9k.  Tested with b43,
ath9k, rt2500usb, and ath5k as peers.

Signed-off-by: Pat Erley <pat-lkml@erley.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Pat Erley authored and John W. Linville committed Mar 28, 2009
1 parent d8cd7ef commit 9cb5412
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Showing 4 changed files with 18 additions and 13 deletions.
4 changes: 3 additions & 1 deletion drivers/net/wireless/ath9k/beacon.c
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Original file line number Diff line number Diff line change
Expand Up @@ -70,7 +70,8 @@ static void ath_beacon_setup(struct ath_softc *sc, struct ath_vif *avp,
ds = bf->bf_desc;
flags = ATH9K_TXDESC_NOACK;

if (sc->sc_ah->opmode == NL80211_IFTYPE_ADHOC &&
if (((sc->sc_ah->opmode == NL80211_IFTYPE_ADHOC) ||
(sc->sc_ah->opmode == NL80211_IFTYPE_MESH_POINT)) &&
(ah->caps.hw_caps & ATH9K_HW_CAP_VEOL)) {
ds->ds_link = bf->bf_daddr; /* self-linked */
flags |= ATH9K_TXDESC_VEOL;
Expand Down Expand Up @@ -728,6 +729,7 @@ void ath_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif)
ath_beacon_config_ap(sc, &conf, avp);
break;
case NL80211_IFTYPE_ADHOC:
case NL80211_IFTYPE_MESH_POINT:
ath_beacon_config_adhoc(sc, &conf, avp, vif);
break;
case NL80211_IFTYPE_STATION:
Expand Down
2 changes: 2 additions & 0 deletions drivers/net/wireless/ath9k/hw.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1448,6 +1448,7 @@ static void ath9k_hw_set_operating_mode(struct ath_hw *ah, int opmode)
REG_CLR_BIT(ah, AR_CFG, AR_CFG_AP_ADHOC_INDICATION);
break;
case NL80211_IFTYPE_ADHOC:
case NL80211_IFTYPE_MESH_POINT:
REG_WRITE(ah, AR_STA_ID1, val | AR_STA_ID1_ADHOC
| AR_STA_ID1_KSRCH_MODE);
REG_SET_BIT(ah, AR_CFG, AR_CFG_AP_ADHOC_INDICATION);
Expand Down Expand Up @@ -3149,6 +3150,7 @@ void ath9k_hw_beaconinit(struct ath_hw *ah, u32 next_beacon, u32 beacon_period)
flags |= AR_TBTT_TIMER_EN;
break;
case NL80211_IFTYPE_ADHOC:
case NL80211_IFTYPE_MESH_POINT:
REG_SET_BIT(ah, AR_TXCFG,
AR_TXCFG_ADHOC_BEACON_ATIM_TX_POLICY);
REG_WRITE(ah, AR_NEXT_NDP_TIMER,
Expand Down
24 changes: 12 additions & 12 deletions drivers/net/wireless/ath9k/main.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1599,7 +1599,8 @@ void ath_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
hw->wiphy->interface_modes =
BIT(NL80211_IFTYPE_AP) |
BIT(NL80211_IFTYPE_STATION) |
BIT(NL80211_IFTYPE_ADHOC);
BIT(NL80211_IFTYPE_ADHOC) |
BIT(NL80211_IFTYPE_MESH_POINT);

hw->wiphy->reg_notifier = ath9k_reg_notifier;
hw->wiphy->strict_regulatory = true;
Expand Down Expand Up @@ -2207,18 +2208,13 @@ static int ath9k_add_interface(struct ieee80211_hw *hw,
ic_opmode = NL80211_IFTYPE_STATION;
break;
case NL80211_IFTYPE_ADHOC:
if (sc->nbcnvifs >= ATH_BCBUF) {
ret = -ENOBUFS;
goto out;
}
ic_opmode = NL80211_IFTYPE_ADHOC;
break;
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_MESH_POINT:
if (sc->nbcnvifs >= ATH_BCBUF) {
ret = -ENOBUFS;
goto out;
}
ic_opmode = NL80211_IFTYPE_AP;
ic_opmode = conf->type;
break;
default:
DPRINTF(sc, ATH_DBG_FATAL,
Expand Down Expand Up @@ -2254,7 +2250,8 @@ static int ath9k_add_interface(struct ieee80211_hw *hw,
* Note we only do this (at the moment) for station mode.
*/
if ((conf->type == NL80211_IFTYPE_STATION) ||
(conf->type == NL80211_IFTYPE_ADHOC)) {
(conf->type == NL80211_IFTYPE_ADHOC) ||
(conf->type == NL80211_IFTYPE_MESH_POINT)) {
if (ath9k_hw_phycounters(sc->sc_ah))
sc->imask |= ATH9K_INT_MIB;
sc->imask |= ATH9K_INT_TSFOOR;
Expand Down Expand Up @@ -2301,8 +2298,9 @@ static void ath9k_remove_interface(struct ieee80211_hw *hw,
del_timer_sync(&sc->ani.timer);

/* Reclaim beacon resources */
if (sc->sc_ah->opmode == NL80211_IFTYPE_AP ||
sc->sc_ah->opmode == NL80211_IFTYPE_ADHOC) {
if ((sc->sc_ah->opmode == NL80211_IFTYPE_AP) ||
(sc->sc_ah->opmode == NL80211_IFTYPE_ADHOC) ||
(sc->sc_ah->opmode == NL80211_IFTYPE_MESH_POINT)) {
ath9k_hw_stoptxdma(sc->sc_ah, sc->beacon.beaconq);
ath_beacon_return(sc, avp);
}
Expand Down Expand Up @@ -2435,6 +2433,7 @@ static int ath9k_config_interface(struct ieee80211_hw *hw,
switch (vif->type) {
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_ADHOC:
case NL80211_IFTYPE_MESH_POINT:
/* Set BSSID */
memcpy(sc->curbssid, conf->bssid, ETH_ALEN);
memcpy(avp->bssid, conf->bssid, ETH_ALEN);
Expand All @@ -2458,7 +2457,8 @@ static int ath9k_config_interface(struct ieee80211_hw *hw,
}

if ((vif->type == NL80211_IFTYPE_ADHOC) ||
(vif->type == NL80211_IFTYPE_AP)) {
(vif->type == NL80211_IFTYPE_AP) ||
(vif->type == NL80211_IFTYPE_MESH_POINT)) {
if ((conf->changed & IEEE80211_IFCC_BEACON) ||
(conf->changed & IEEE80211_IFCC_BEACON_ENABLED &&
conf->enable_beacon)) {
Expand Down
1 change: 1 addition & 0 deletions drivers/net/wireless/ath9k/rc.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -1619,6 +1619,7 @@ static void ath_rate_init(void *priv, struct ieee80211_supported_band *sband,
/* Choose rate table first */

if ((sc->sc_ah->opmode == NL80211_IFTYPE_STATION) ||
(sc->sc_ah->opmode == NL80211_IFTYPE_MESH_POINT) ||
(sc->sc_ah->opmode == NL80211_IFTYPE_ADHOC)) {
rate_table = ath_choose_rate_table(sc, sband->band,
sta->ht_cap.ht_supported,
Expand Down

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