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authorHarvey Harrison <harvey.harrison@gmail.com>2008-08-25 23:06:32 +0200
committerJohn W. Linville <linville@tuxdriver.com>2008-08-29 22:24:11 +0200
commitde9cc7a4e6f975ca5e91cf8745b3e35a7e780bae (patch)
tree2ccef2639b4b5c1e1ea2f50ac67561eebb2216f9 /drivers/net/wireless/libertas_tf
parentrfkill: rename rfkill_mutex to rfkill_global_mutex (diff)
downloadlinux-de9cc7a4e6f975ca5e91cf8745b3e35a7e780bae.tar.xz
linux-de9cc7a4e6f975ca5e91cf8745b3e35a7e780bae.zip
libertas: use the common frame control functions
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/libertas_tf')
-rw-r--r--drivers/net/wireless/libertas_tf/main.c20
1 files changed, 8 insertions, 12 deletions
diff --git a/drivers/net/wireless/libertas_tf/main.c b/drivers/net/wireless/libertas_tf/main.c
index 2c1d680d2c55..c948021bff6a 100644
--- a/drivers/net/wireless/libertas_tf/main.c
+++ b/drivers/net/wireless/libertas_tf/main.c
@@ -477,9 +477,9 @@ int lbtf_rx(struct lbtf_private *priv, struct sk_buff *skb)
{
struct ieee80211_rx_status stats;
struct rxpd *prxpd;
- bool is_qos, is_4addr, is_amsdu, need_padding;
+ int need_padding;
unsigned int flags;
- u16 fc, fc_le;
+ struct ieee80211_hdr *hdr;
prxpd = (struct rxpd *) skb->data;
@@ -497,19 +497,15 @@ int lbtf_rx(struct lbtf_private *priv, struct sk_buff *skb)
stats.rate_idx = prxpd->rx_rate;
skb_pull(skb, sizeof(struct rxpd));
- fc_le = *((__le16 *) skb->data);
- fc = le16_to_cpu(fc_le);
+ hdr = (struct ieee80211_hdr *)skb->data;
flags = le32_to_cpu(*(__le32 *)(skb->data + 4));
- is_qos = ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA) &&
- (fc & IEEE80211_STYPE_QOS_DATA);
- is_4addr = (fc & (IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS)) ==
- (IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
- is_amsdu = ((fc & 0x8C) == 0x88) &&
- (*(skb->data + ieee80211_hdrlen(fc_le) - QOS_CONTROL_LEN)
- & IEEE80211_QOS_CONTROL_A_MSDU_PRESENT);
+ need_padding = ieee80211_is_data_qos(hdr->frame_control);
+ need_padding ^= ieee80211_has_a4(hdr->frame_control);
+ need_padding ^= ieee80211_is_data_qos(hdr->frame_control) &&
+ (*ieee80211_get_qos_ctl(hdr) &
+ IEEE80211_QOS_CONTROL_A_MSDU_PRESENT);
- need_padding = is_qos ^ is_4addr ^ is_amsdu;
if (need_padding) {
memmove(skb->data + 2, skb->data, skb->len);
skb_reserve(skb, 2);