diff options
author | Harvey Harrison <harvey.harrison@gmail.com> | 2008-07-15 18:44:12 -0700 |
---|---|---|
committer | John W. Linville <linville@tuxdriver.com> | 2008-08-22 16:29:54 -0400 |
commit | 6b644e524bbd4089a28e0711de4f1cf2daa5db50 (patch) | |
tree | 3c3993bc52c10aa0aa570dd60c3d5b78c56a80ae /net | |
parent | b73d70ad8665fd3f35c855075b9a94de3e2b69e2 (diff) |
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')
-rw-r--r-- | net/mac80211/util.c | 39 |
1 files changed, 0 insertions, 39 deletions
diff --git a/net/mac80211/util.c b/net/mac80211/util.c index 24400618190..f40c060341a 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; |