diff options
Diffstat (limited to 'package/mac80211/patches/323-rt2x00-Fix-TX-rate-short-preamble-detection.patch')
| -rw-r--r-- | package/mac80211/patches/323-rt2x00-Fix-TX-rate-short-preamble-detection.patch | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/package/mac80211/patches/323-rt2x00-Fix-TX-rate-short-preamble-detection.patch b/package/mac80211/patches/323-rt2x00-Fix-TX-rate-short-preamble-detection.patch new file mode 100644 index 000000000..712dea64a --- /dev/null +++ b/package/mac80211/patches/323-rt2x00-Fix-TX-rate-short-preamble-detection.patch @@ -0,0 +1,51 @@ +From 4f9ea5700c714afce77e410d1c0c114c42d5a910 Mon Sep 17 00:00:00 2001 +From: Ivo van Doorn <IvDoorn@gmail.com> +Date: Sun, 18 Jan 2009 20:17:10 +0100 +Subject: [PATCH] rt2x00: Fix TX rate short preamble detection + +Mac80211 provides 2 structures to handle bitrates, namely +ieee80211_rate and ieee80211_tx_rate. To determine the short preamble +mode for an outgoing frame, the flag IEEE80211_TX_RC_USE_SHORT_PREAMBLE +must be checked on ieee80211_tx_rate and not ieee80211_rate (which rt2x00 did). + +This fixes a regression which was triggered in 2.6.29-rcX as reported by Chris Clayton. + +Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> +--- + drivers/net/wireless/rt2x00/rt2x00queue.c | 9 +++++---- + 1 files changed, 5 insertions(+), 4 deletions(-) + +--- a/drivers/net/wireless/rt2x00/rt2x00queue.c ++++ b/drivers/net/wireless/rt2x00/rt2x00queue.c +@@ -186,10 +186,11 @@ static void rt2x00queue_create_tx_descri + + static void rt2x00queue_create_tx_descriptor_plcp(struct queue_entry *entry, + struct txentry_desc *txdesc, +- struct ieee80211_rate *rate) ++ const struct rt2x00_rate *hwrate) + { + struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; +- const struct rt2x00_rate *hwrate = rt2x00_get_rate(rate->hw_value); ++ struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(entry->skb); ++ struct ieee80211_tx_rate *txrate = &tx_info->control.rates[0]; + unsigned int data_length; + unsigned int duration; + unsigned int residual; +@@ -232,7 +233,7 @@ static void rt2x00queue_create_tx_descri + * When preamble is enabled we should set the + * preamble bit for the signal. + */ +- if (rate->flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE) ++ if (txrate->flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE) + txdesc->signal |= 0x08; + } + } +@@ -327,7 +328,7 @@ static void rt2x00queue_create_tx_descri + rt2x00crypto_create_tx_descriptor(entry, txdesc); + rt2x00ht_create_tx_descriptor(entry, txdesc, rate); + rt2x00queue_create_tx_descriptor_seq(entry, txdesc); +- rt2x00queue_create_tx_descriptor_plcp(entry, txdesc, rate); ++ rt2x00queue_create_tx_descriptor_plcp(entry, txdesc, hwrate); + } + + static void rt2x00queue_write_tx_descriptor(struct queue_entry *entry, |