diff options
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/zd1211rw/zd_mac.c | 22 |
1 files changed, 6 insertions, 16 deletions
diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c index 6d86b365f150..317c5e24f80c 100644 --- a/drivers/net/wireless/zd1211rw/zd_mac.c +++ b/drivers/net/wireless/zd1211rw/zd_mac.c @@ -376,8 +376,6 @@ static int zd_calc_tx_length_us(u8 *service, u8 zd_rate, u16 tx_length) static void cs_set_control(struct zd_mac *mac, struct zd_ctrlset *cs, struct ieee80211_hdr *header, u32 flags) { - u16 fctl = le16_to_cpu(header->frame_control); - /* * CONTROL TODO: * - if backoff needed, enable bit 0 @@ -395,8 +393,7 @@ static void cs_set_control(struct zd_mac *mac, struct zd_ctrlset *cs, cs->control |= ZD_CS_MULTICAST; /* PS-POLL */ - if ((fctl & (IEEE80211_FCTL_FTYPE|IEEE80211_FCTL_STYPE)) == - (IEEE80211_FTYPE_CTL|IEEE80211_STYPE_PSPOLL)) + if (ieee80211_is_pspoll(header->frame_control)) cs->control |= ZD_CS_PS_POLL_FRAME; if (flags & IEEE80211_TX_CTL_USE_RTS_CTS) @@ -550,13 +547,11 @@ static int zd_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb) static int filter_ack(struct ieee80211_hw *hw, struct ieee80211_hdr *rx_hdr, struct ieee80211_rx_status *stats) { - u16 fc = le16_to_cpu(rx_hdr->frame_control); struct sk_buff *skb; struct sk_buff_head *q; unsigned long flags; - if ((fc & (IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) != - (IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK)) + if (!ieee80211_is_ack(rx_hdr->frame_control)) return 0; q = &zd_hw_mac(hw)->ack_wait_queue; @@ -584,8 +579,8 @@ int zd_mac_rx(struct ieee80211_hw *hw, const u8 *buffer, unsigned int length) const struct rx_status *status; struct sk_buff *skb; int bad_frame = 0; - u16 fc; - bool is_qos, is_4addr, need_padding; + __le16 fc; + int need_padding; int i; u8 rate; @@ -644,13 +639,8 @@ int zd_mac_rx(struct ieee80211_hw *hw, const u8 *buffer, unsigned int length) && !mac->pass_ctrl) return 0; - fc = le16_to_cpu(*((__le16 *) buffer)); - - 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); - need_padding = is_qos ^ is_4addr; + fc = *(__le16 *)buffer; + need_padding = ieee80211_is_data_qos(fc) ^ ieee80211_has_a4(fc); skb = dev_alloc_skb(length + (need_padding ? 2 : 0)); if (skb == NULL) |