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authorHarvey Harrison <harvey.harrison@gmail.com>2008-07-15 18:44:12 -0700
committerJohn W. Linville <linville@tuxdriver.com>2008-08-22 16:29:54 -0400
commit6b644e524bbd4089a28e0711de4f1cf2daa5db50 (patch)
tree3c3993bc52c10aa0aa570dd60c3d5b78c56a80ae /net/mac80211/util.c
parentb73d70ad8665fd3f35c855075b9a94de3e2b69e2 (diff)
downloadop-kernel-dev-6b644e524bbd4089a28e0711de4f1cf2daa5db50.zip
op-kernel-dev-6b644e524bbd4089a28e0711de4f1cf2daa5db50.tar.gz
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>
Diffstat (limited to 'net/mac80211/util.c')
-rw-r--r--net/mac80211/util.c39
1 files changed, 0 insertions, 39 deletions
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 2440061..f40c060 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;
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