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/recv.c b/drivers/net/wireless/ath9k/recv.c
index ec53583..a9a55df 100644
--- a/drivers/net/wireless/ath9k/recv.c
+++ b/drivers/net/wireless/ath9k/recv.c
@@ -19,7 +19,22 @@
static struct ieee80211_hw * ath_get_virt_hw(struct ath_softc *sc,
struct ieee80211_hdr *hdr)
{
- return sc->pri_wiphy->hw;
+ struct ieee80211_hw *hw = sc->pri_wiphy->hw;
+ int i;
+
+ spin_lock_bh(&sc->wiphy_lock);
+ for (i = 0; i < sc->num_sec_wiphy; i++) {
+ struct ath_wiphy *aphy = sc->sec_wiphy[i];
+ if (aphy == NULL)
+ continue;
+ if (compare_ether_addr(hdr->addr1, aphy->hw->wiphy->perm_addr)
+ == 0) {
+ hw = aphy->hw;
+ break;
+ }
+ }
+ spin_unlock_bh(&sc->wiphy_lock);
+ return hw;
}
/*
@@ -611,7 +626,29 @@
}
/* Send the frame to mac80211 */
- __ieee80211_rx(ath_get_virt_hw(sc, hdr), skb, &rx_status);
+ if (hdr->addr1[5] & 0x01) {
+ int i;
+ /*
+ * Deliver broadcast/multicast frames to all suitable
+ * virtual wiphys.
+ */
+ /* TODO: filter based on channel configuration */
+ for (i = 0; i < sc->num_sec_wiphy; i++) {
+ struct ath_wiphy *aphy = sc->sec_wiphy[i];
+ struct sk_buff *nskb;
+ if (aphy == NULL)
+ continue;
+ nskb = skb_copy(skb, GFP_ATOMIC);
+ if (nskb)
+ __ieee80211_rx(aphy->hw, nskb,
+ &rx_status);
+ }
+ __ieee80211_rx(sc->hw, skb, &rx_status);
+ } else {
+ /* Deliver unicast frames based on receiver address */
+ __ieee80211_rx(ath_get_virt_hw(sc, hdr), skb,
+ &rx_status);
+ }
/* We will now give hardware our shiny new allocated skb */
bf->bf_mpdu = requeue_skb;