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authorLuis R. Rodriguez <lrodriguez@atheros.com>2009-11-03 18:35:05 -0800
committerJohn W. Linville <linville@tuxdriver.com>2009-11-11 17:09:06 -0500
commitdbfc22df1afbeb91d528e2f84d6603ac9ce98bc2 (patch)
tree0c44dcc508fe545ea6058e0b8c0281ccd64347e7
parent21b22738068366d7740b4b7cf55ce270f479543a (diff)
ath9k: move rssi processing into a helper
This moves all the RX processing of RSSI into a helper, ath_rx_prepare(). ath_rx_prepare() should now be really easy to read and follow. Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
-rw-r--r--drivers/net/wireless/ath/ath9k/recv.c44
1 files changed, 27 insertions, 17 deletions
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index d357b9adcf4..4c4c22f54e9 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -230,31 +230,20 @@ static int ath9k_compute_qual(struct ieee80211_hw *hw,
return qual;
}
-/*
- * For Decrypt or Demic errors, we only mark packet status here and always push
- * up the frame up to let mac80211 handle the actual error case, be it no
- * decryption key or real decryption error. This let us keep statistics there.
- */
-static int ath_rx_prepare(struct ath_common *common,
- struct ieee80211_hw *hw,
- struct sk_buff *skb, struct ath_rx_status *rx_stats,
- struct ieee80211_rx_status *rx_status,
- bool *decrypt_error)
+static void ath9k_process_rssi(struct ath_common *common,
+ struct ieee80211_hw *hw,
+ struct sk_buff *skb,
+ struct ath_rx_status *rx_stats)
{
struct ath_hw *ah = common->ah;
- struct ieee80211_hdr *hdr;
- __le16 fc;
struct ieee80211_sta *sta;
+ struct ieee80211_hdr *hdr;
struct ath_node *an;
int last_rssi = ATH_RSSI_DUMMY_MARKER;
+ __le16 fc;
hdr = (struct ieee80211_hdr *)skb->data;
fc = hdr->frame_control;
- memset(rx_status, 0, sizeof(struct ieee80211_rx_status));
-
- if (!ath9k_rx_accept(common, skb, rx_status, rx_stats, decrypt_error))
- goto rx_next;
-
rcu_read_lock();
/* XXX: use ieee80211_find_sta! */
@@ -279,6 +268,27 @@ static int ath_rx_prepare(struct ath_common *common,
/* Update Beacon RSSI, this is used by ANI. */
if (ieee80211_is_beacon(fc))
ah->stats.avgbrssi = rx_stats->rs_rssi;
+}
+
+/*
+ * For Decrypt or Demic errors, we only mark packet status here and always push
+ * up the frame up to let mac80211 handle the actual error case, be it no
+ * decryption key or real decryption error. This let us keep statistics there.
+ */
+static int ath_rx_prepare(struct ath_common *common,
+ struct ieee80211_hw *hw,
+ struct sk_buff *skb, struct ath_rx_status *rx_stats,
+ struct ieee80211_rx_status *rx_status,
+ bool *decrypt_error)
+{
+ struct ath_hw *ah = common->ah;
+
+ memset(rx_status, 0, sizeof(struct ieee80211_rx_status));
+
+ if (!ath9k_rx_accept(common, skb, rx_status, rx_stats, decrypt_error))
+ goto rx_next;
+
+ ath9k_process_rssi(common, hw, skb, rx_stats);
rx_status->rate_idx = ath9k_process_rate(common, hw,
rx_stats, rx_status, skb);