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authorIvo van Doorn <ivdoorn@gmail.com>2009-08-29 19:10:14 +0200
committerJohn W. Linville <linville@tuxdriver.com>2009-08-31 14:42:14 -0400
commit2e27cff871dec9371e41022aaaebb3452ec069c0 (patch)
treeb261921b4916755908e85a9a398234f2aecda066
parent1ee50cd9a22fdb22ce7bdb7f978d25b79993788d (diff)
downloadop-kernel-dev-2e27cff871dec9371e41022aaaebb3452ec069c0.zip
op-kernel-dev-2e27cff871dec9371e41022aaaebb3452ec069c0.tar.gz
rt2x00: Fix TX status reporting
Not all values of the TX status enumeration were covered during updating of the TX statistics. This could lead to wrong bitrate tuning but also wrong behavior in tools like hostapd. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00dev.c28
1 files changed, 16 insertions, 12 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
index 3f8c70e..0647e51 100644
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -206,6 +206,7 @@ void rt2x00lib_txdone(struct queue_entry *entry,
unsigned int header_length = ieee80211_get_hdrlen_from_skb(entry->skb);
u8 rate_idx, rate_flags, retry_rates;
unsigned int i;
+ bool success;
/*
* Unmap the skb.
@@ -234,13 +235,18 @@ void rt2x00lib_txdone(struct queue_entry *entry,
rt2x00debug_dump_frame(rt2x00dev, DUMP_FRAME_TXDONE, entry->skb);
/*
- * Update TX statistics.
+ * Determine if the frame has been successfully transmitted.
*/
- rt2x00dev->link.qual.tx_success +=
+ success =
test_bit(TXDONE_SUCCESS, &txdesc->flags) ||
- test_bit(TXDONE_UNKNOWN, &txdesc->flags);
- rt2x00dev->link.qual.tx_failed +=
- test_bit(TXDONE_FAILURE, &txdesc->flags);
+ test_bit(TXDONE_UNKNOWN, &txdesc->flags) ||
+ test_bit(TXDONE_FALLBACK, &txdesc->flags);
+
+ /*
+ * Update TX statistics.
+ */
+ rt2x00dev->link.qual.tx_success += success;
+ rt2x00dev->link.qual.tx_failed += !success;
rate_idx = skbdesc->tx_rate_idx;
rate_flags = skbdesc->tx_rate_flags;
@@ -263,22 +269,20 @@ void rt2x00lib_txdone(struct queue_entry *entry,
tx_info->status.rates[i].flags = rate_flags;
tx_info->status.rates[i].count = 1;
}
- if (i < (IEEE80211_TX_MAX_RATES -1))
+ if (i < (IEEE80211_TX_MAX_RATES - 1))
tx_info->status.rates[i].idx = -1; /* terminate */
if (!(tx_info->flags & IEEE80211_TX_CTL_NO_ACK)) {
- if (test_bit(TXDONE_SUCCESS, &txdesc->flags) ||
- test_bit(TXDONE_UNKNOWN, &txdesc->flags))
+ if (success)
tx_info->flags |= IEEE80211_TX_STAT_ACK;
- else if (test_bit(TXDONE_FAILURE, &txdesc->flags))
+ else
rt2x00dev->low_level_stats.dot11ACKFailureCount++;
}
if (rate_flags & IEEE80211_TX_RC_USE_RTS_CTS) {
- if (test_bit(TXDONE_SUCCESS, &txdesc->flags) ||
- test_bit(TXDONE_UNKNOWN, &txdesc->flags))
+ if (success)
rt2x00dev->low_level_stats.dot11RTSSuccessCount++;
- else if (test_bit(TXDONE_FAILURE, &txdesc->flags))
+ else
rt2x00dev->low_level_stats.dot11RTSFailureCount++;
}
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