mac80211: remove ieee80211_get_hdrlen

All users have been moved over to the version taking a le16 frame control
rather than a cpu-endian value.

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 0 insertions, 39 deletions

diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 24400618190c..f40c060341ae 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -91,45 +91,6 @@ u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len,
         return NULL;
 }
 
-int ieee80211_get_hdrlen(u16 fc)
-{
-        int hdrlen = 24;
-
-        switch (fc & IEEE80211_FCTL_FTYPE) {
-        case IEEE80211_FTYPE_DATA:
-                if ((fc & IEEE80211_FCTL_FROMDS) && (fc & IEEE80211_FCTL_TODS))
-                        hdrlen = 30; /* Addr4 */
-                /*
-                 * The QoS Control field is two bytes and its presence is
-                 * indicated by the IEEE80211_STYPE_QOS_DATA bit. Add 2 to
-                 * hdrlen if that bit is set.
-                 * This works by masking out the bit and shifting it to
-                 * bit position 1 so the result has the value 0 or 2.
-                 */
-                hdrlen += (fc & IEEE80211_STYPE_QOS_DATA)
-                                >> (ilog2(IEEE80211_STYPE_QOS_DATA)-1);
-                break;
-        case IEEE80211_FTYPE_CTL:
-                /*
-                 * ACK and CTS are 10 bytes, all others 16. To see how
-                 * to get this condition consider
-                 *   subtype mask:   0b0000000011110000 (0x00F0)
-                 *   ACK subtype:    0b0000000011010000 (0x00D0)
-                 *   CTS subtype:    0b0000000011000000 (0x00C0)
-                 *   bits that matter:         ^^^      (0x00E0)
-                 *   value of those: 0b0000000011000000 (0x00C0)
-                 */
-                if ((fc & 0xE0) == 0xC0)
-                        hdrlen = 10;
-                else
-                        hdrlen = 16;
-                break;
-        }
-
-        return hdrlen;
-}
-EXPORT_SYMBOL(ieee80211_get_hdrlen);
-
 unsigned int ieee80211_hdrlen(__le16 fc)
 {
         unsigned int hdrlen = 24;