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mac80211: Make use of ieee80211_is_* functions in tx status path

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Use ieee80211_is_data, ieee80211_is_mgmt and ieee80211_is_first_frag
in the tx status path. This makes the code easier to read and allows us
to remove two local variables: frag and type.

Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Helmut Schaa 2011-12-08 13:11:55 +01:00 committed by John W. Linville
parent 8cb25e14fe
commit adf5ace5d8
1 changed files with 5 additions and 10 deletions
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15
net/mac80211/status.c
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@ -340,7 +340,6 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
struct ieee80211_local *local = hw_to_local(hw);
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
u16 frag, type;
__le16 fc;
struct ieee80211_supported_band *sband;
struct ieee80211_sub_if_data *sdata;
@ -476,12 +475,8 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
* Fragments are passed to low-level drivers as separate skbs, so these
* are actually fragments, not frames. Update frame counters only for
* the first fragment of the frame. */
frag = le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_FRAG;
type = le16_to_cpu(hdr->frame_control) & IEEE80211_FCTL_FTYPE;
if (info->flags & IEEE80211_TX_STAT_ACK) {
if (frag == 0) {
if (ieee80211_is_first_frag(hdr->seq_ctrl)) {
local->dot11TransmittedFrameCount++;
if (is_multicast_ether_addr(hdr->addr1))
local->dot11MulticastTransmittedFrameCount++;
@ -496,11 +491,11 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
* with a multicast address in the address 1 field of type Data
* or Management. */
if (!is_multicast_ether_addr(hdr->addr1) ||
type == IEEE80211_FTYPE_DATA ||
type == IEEE80211_FTYPE_MGMT)
ieee80211_is_data(fc) ||
ieee80211_is_mgmt(fc))
local->dot11TransmittedFragmentCount++;
} else {
if (frag == 0)
if (ieee80211_is_first_frag(hdr->seq_ctrl))
local->dot11FailedCount++;
}
@ -572,7 +567,7 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
/* Need to make a copy before skb->cb gets cleared */
send_to_cooked = !!(info->flags & IEEE80211_TX_CTL_INJECTED) ||
(type != IEEE80211_FTYPE_DATA);
!(ieee80211_is_data(fc));
/*
* This is a bit racy but we can avoid a lot of work