---

yaml --- r: 290586 b: refs/heads/master c: f4f5794 h: refs/heads/master v: v3
git-mirror · Feb 15, 2012 · 684bce8 · 684bce8
1 parent d32be86
commit 684bce8
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Showing 3 changed files with 15 additions and 5 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: defe02c720d54fc9bda3e5e625be70adac347a61
+refs/heads/master: f4f57943f265d80fe5f0fedf6964f8056e753cf3
diff --git a/trunk/drivers/net/wireless/wl12xx/tx.c b/trunk/drivers/net/wireless/wl12xx/tx.c
@@ -255,16 +255,20 @@ static void wl1271_tx_fill_hdr(struct wl1271 *wl, struct wl12xx_vif *wlvif,
 	int aligned_len, ac, rate_idx;
 	s64 hosttime;
 	u16 tx_attr = 0;
+	__le16 frame_control;
+	struct ieee80211_hdr *hdr;
+	u8 *frame_start;
 	bool is_dummy;
 
 	desc = (struct wl1271_tx_hw_descr *) skb->data;
+	frame_start = (u8 *)(desc + 1);
+	hdr = (struct ieee80211_hdr *)(frame_start + extra);
+	frame_control = hdr->frame_control;
 
 	/* relocate space for security header */
 	if (extra) {
-		void *framestart = skb->data + sizeof(*desc);
-		u16 fc = *(u16 *)(framestart + extra);
-		int hdrlen = ieee80211_hdrlen(cpu_to_le16(fc));
-		memmove(framestart, framestart + extra, hdrlen);
+		int hdrlen = ieee80211_hdrlen(frame_control);
+		memmove(frame_start, hdr, hdrlen);
 	}
 
 	/* configure packet life time */
@@ -353,6 +357,11 @@ static void wl1271_tx_fill_hdr(struct wl1271 *wl, struct wl12xx_vif *wlvif,
 			     desc->wl127x_mem.total_mem_blocks);
 	}
 
+	/* for WEP shared auth - no fw encryption is needed */
+	if (ieee80211_is_auth(frame_control) &&
+	    ieee80211_has_protected(frame_control))
+		tx_attr |= TX_HW_ATTR_HOST_ENCRYPT;
+
 	desc->tx_attr = cpu_to_le16(tx_attr);
 }
 

diff --git a/trunk/drivers/net/wireless/wl12xx/tx.h b/trunk/drivers/net/wireless/wl12xx/tx.h
@@ -39,6 +39,7 @@
 #define TX_HW_ATTR_LAST_WORD_PAD         (BIT(10) | BIT(11))
 #define TX_HW_ATTR_TX_CMPLT_REQ          BIT(12)
 #define TX_HW_ATTR_TX_DUMMY_REQ          BIT(13)
+#define TX_HW_ATTR_HOST_ENCRYPT          BIT(14)
 
 #define TX_HW_ATTR_OFST_SAVE_RETRIES     0
 #define TX_HW_ATTR_OFST_HEADER_PAD       1