b43: HT-PHY: report signal to mac80211

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

2 files changed, 22 insertions, 1 deletions

diff --git a/drivers/net/wireless/b43/xmit.c b/drivers/net/wireless/b43/xmit.c
index b62d4a15c534..5f77cbe0b6aa 100644
--- a/drivers/net/wireless/b43/xmit.c
+++ b/drivers/net/wireless/b43/xmit.c
@@ -740,7 +740,14 @@ void b43_rx(struct b43_wldev *dev, struct sk_buff *skb, const void *_rxhdr)
 
         /* Link quality statistics */
         switch (chanstat & B43_RX_CHAN_PHYTYPE) {
+        case B43_PHYTYPE_HT:
+                /* TODO: is max the right choice? */
+                status.signal = max_t(__s8,
+                        max(rxhdr->phy_ht_power0, rxhdr->phy_ht_power1),
+                        rxhdr->phy_ht_power2);
+                break;
         case B43_PHYTYPE_N:
+                /* Broadcom has code for min and avg, but always uses max */
                 if (rxhdr->power0 == 16 || rxhdr->power0 == 32)
                         status.signal = max(rxhdr->power1, rxhdr->power2);
                 else
diff --git a/drivers/net/wireless/b43/xmit.h b/drivers/net/wireless/b43/xmit.h
index 16c514d54afa..98d90747836a 100644
--- a/drivers/net/wireless/b43/xmit.h
+++ b/drivers/net/wireless/b43/xmit.h
@@ -249,6 +249,12 @@ struct b43_rxhdr_fw4 {
                 } __packed;
         } __packed;
         union {
+                /* HT-PHY */
+                struct {
+                        PAD_BYTES(1);
+                        __s8 phy_ht_power0;
+                } __packed;
+
                 /* RSSI for N-PHYs */
                 struct {
                         __s8 power2;
@@ -257,7 +263,15 @@ struct b43_rxhdr_fw4 {
 
                 __le16 phy_status2;     /* PHY RX Status 2 */
         } __packed;
-        __le16 phy_status3;     /* PHY RX Status 3 */
+        union {
+                /* HT-PHY */
+                struct {
+                        __s8 phy_ht_power1;
+                        __s8 phy_ht_power2;
+                } __packed;
+
+                __le16 phy_status3;     /* PHY RX Status 3 */
+        } __packed;
         union {
                 /* Tested with 598.314, 644.1001 and 666.2 */
                 struct {