ath9k: Add support for multiple secondary virtual wiphys
The new struct ath_softc::sec_wiphy array is used to store information
about virtual wiphys and select which wiphy is used in calls to
mac80211. Each virtual wiphy will be assigned a different MAC address
based on the virtual wiphy index.
Signed-off-by: Jouni Malinen <jouni.malinen@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath9k/main.c b/drivers/net/wireless/ath9k/main.c
index 0c0e587..433a11c 100644
--- a/drivers/net/wireless/ath9k/main.c
+++ b/drivers/net/wireless/ath9k/main.c
@@ -1307,6 +1307,7 @@
ath_detach(sc);
free_irq(sc->irq, sc);
ath_bus_cleanup(sc);
+ kfree(sc->sec_wiphy);
ieee80211_free_hw(sc->hw);
}
@@ -1324,6 +1325,14 @@
#endif
ath_deinit_leds(sc);
+ for (i = 0; i < sc->num_sec_wiphy; i++) {
+ struct ath_wiphy *aphy = sc->sec_wiphy[i];
+ if (aphy == NULL)
+ continue;
+ sc->sec_wiphy[i] = NULL;
+ ieee80211_unregister_hw(aphy->hw);
+ ieee80211_free_hw(aphy->hw);
+ }
ieee80211_unregister_hw(hw);
ath_rx_cleanup(sc);
ath_tx_cleanup(sc);
@@ -1357,6 +1366,7 @@
if (ath9k_init_debug(sc) < 0)
printk(KERN_ERR "Unable to create debugfs files\n");
+ spin_lock_init(&sc->wiphy_lock);
spin_lock_init(&sc->sc_resetlock);
mutex_init(&sc->mutex);
tasklet_init(&sc->intr_tq, ath9k_tasklet, (unsigned long)sc);
@@ -1520,8 +1530,10 @@
sc->beacon.slottime = ATH9K_SLOT_TIME_9; /* default to short slot time */
/* initialize beacon slots */
- for (i = 0; i < ARRAY_SIZE(sc->beacon.bslot); i++)
+ for (i = 0; i < ARRAY_SIZE(sc->beacon.bslot); i++) {
sc->beacon.bslot[i] = NULL;
+ sc->beacon.bslot_aphy[i] = NULL;
+ }
/* save MISC configurations */
sc->config.swBeaconProcess = 1;
@@ -1561,22 +1573,8 @@
return error;
}
-int ath_attach(u16 devid, struct ath_softc *sc)
+void ath_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
{
- struct ieee80211_hw *hw = sc->hw;
- const struct ieee80211_regdomain *regd;
- int error = 0, i;
-
- DPRINTF(sc, ATH_DBG_CONFIG, "Attach ATH hw\n");
-
- error = ath_init(devid, sc);
- if (error != 0)
- return error;
-
- /* get mac address from hardware and set in mac80211 */
-
- SET_IEEE80211_PERM_ADDR(hw, sc->sc_ah->macaddr);
-
hw->flags = IEEE80211_HW_RX_INCLUDES_FCS |
IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
IEEE80211_HW_SIGNAL_DBM |
@@ -1604,17 +1602,37 @@
hw->rate_control_algorithm = "ath9k_rate_control";
+ hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
+ &sc->sbands[IEEE80211_BAND_2GHZ];
+ if (test_bit(ATH9K_MODE_11A, sc->sc_ah->caps.wireless_modes))
+ hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
+ &sc->sbands[IEEE80211_BAND_5GHZ];
+}
+
+int ath_attach(u16 devid, struct ath_softc *sc)
+{
+ struct ieee80211_hw *hw = sc->hw;
+ const struct ieee80211_regdomain *regd;
+ int error = 0, i;
+
+ DPRINTF(sc, ATH_DBG_CONFIG, "Attach ATH hw\n");
+
+ error = ath_init(devid, sc);
+ if (error != 0)
+ return error;
+
+ /* get mac address from hardware and set in mac80211 */
+
+ SET_IEEE80211_PERM_ADDR(hw, sc->sc_ah->macaddr);
+
+ ath_set_hw_capab(sc, hw);
+
if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT) {
setup_ht_cap(sc, &sc->sbands[IEEE80211_BAND_2GHZ].ht_cap);
if (test_bit(ATH9K_MODE_11A, sc->sc_ah->caps.wireless_modes))
setup_ht_cap(sc, &sc->sbands[IEEE80211_BAND_5GHZ].ht_cap);
}
- hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &sc->sbands[IEEE80211_BAND_2GHZ];
- if (test_bit(ATH9K_MODE_11A, sc->sc_ah->caps.wireless_modes))
- hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
- &sc->sbands[IEEE80211_BAND_5GHZ];
-
/* initialize tx/rx engine */
error = ath_tx_init(sc, ATH_TXBUF);
if (error != 0)
@@ -2067,7 +2085,7 @@
DPRINTF(sc, ATH_DBG_XMIT, "transmitting packet, skb: %p\n", skb);
- if (ath_tx_start(sc, skb, &txctl) != 0) {
+ if (ath_tx_start(hw, skb, &txctl) != 0) {
DPRINTF(sc, ATH_DBG_XMIT, "TX failed\n");
goto exit;
}
@@ -2247,6 +2265,7 @@
printk(KERN_DEBUG "%s: vif had allocated beacon "
"slot\n", __func__);
sc->beacon.bslot[i] = NULL;
+ sc->beacon.bslot_aphy[i] = NULL;
}
}
@@ -2388,7 +2407,7 @@
*/
ath9k_hw_stoptxdma(sc->sc_ah, sc->beacon.beaconq);
- error = ath_beacon_alloc(sc, vif);
+ error = ath_beacon_alloc(aphy, vif);
if (error != 0) {
mutex_unlock(&sc->mutex);
return error;