From 090f16f6fb1019af891be04e2da176f6feb65cc9 Mon Sep 17 00:00:00 2001 From: nbd Date: Sat, 11 Oct 2008 01:33:09 +0000 Subject: mac80211: add rate control rewrite and enhance the performance of the minstrel algorithm for non-mrr configurations git-svn-id: svn://svn.openwrt.org/openwrt/trunk@12948 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- package/mac80211/patches/310-b43_txstatus.patch | 98 ------------------------- 1 file changed, 98 deletions(-) delete mode 100644 package/mac80211/patches/310-b43_txstatus.patch (limited to 'package/mac80211/patches/310-b43_txstatus.patch') diff --git a/package/mac80211/patches/310-b43_txstatus.patch b/package/mac80211/patches/310-b43_txstatus.patch deleted file mode 100644 index db731e584..000000000 --- a/package/mac80211/patches/310-b43_txstatus.patch +++ /dev/null @@ -1,98 +0,0 @@ -Fix the b43 tx status reporting. - -If the hardware uses RTS/CTS reporting and the actual RTS/CTS -handshake failed, it will switch to the fallback rate, even -though the main rate was never actually attempted. -Make sure that this does not screw up rate control statistics. - -Signed-off-by: Felix Fietkau - ---- a/drivers/net/wireless/b43/b43.h -+++ b/drivers/net/wireless/b43/b43.h -@@ -778,6 +778,9 @@ struct b43_wldev { - #ifdef CONFIG_B43_DEBUG - struct b43_dfsentry *dfsentry; - #endif -+ -+ /* necessary for figuring out the correct tx status */ -+ int short_retry; - }; - - static inline struct b43_wl *hw_to_b43_wl(struct ieee80211_hw *hw) ---- a/drivers/net/wireless/b43/dma.c -+++ b/drivers/net/wireless/b43/dma.c -@@ -1393,7 +1393,7 @@ void b43_dma_handle_txstatus(struct b43_ - * Call back to inform the ieee80211 subsystem about - * the status of the transmission. - */ -- frame_succeed = b43_fill_txstatus_report(info, status); -+ frame_succeed = b43_fill_txstatus_report(dev, info, status); - #ifdef CONFIG_B43_DEBUG - if (frame_succeed) - ring->nr_succeed_tx_packets++; ---- a/drivers/net/wireless/b43/main.c -+++ b/drivers/net/wireless/b43/main.c -@@ -3892,6 +3892,7 @@ static void b43_set_retry_limits(struct - short_retry); - b43_shm_write16(dev, B43_SHM_SCRATCH, B43_SHM_SC_LRLIMIT, - long_retry); -+ dev->short_retry = short_retry; - } - - static void b43_set_synth_pu_delay(struct b43_wldev *dev, bool idle) ---- a/drivers/net/wireless/b43/pio.c -+++ b/drivers/net/wireless/b43/pio.c -@@ -589,7 +589,7 @@ void b43_pio_handle_txstatus(struct b43_ - info = IEEE80211_SKB_CB(pack->skb); - memset(&info->status, 0, sizeof(info->status)); - -- b43_fill_txstatus_report(info, status); -+ b43_fill_txstatus_report(dev, info, status); - - total_len = pack->skb->len + b43_txhdr_size(dev); - total_len = roundup(total_len, 4); ---- a/drivers/net/wireless/b43/xmit.c -+++ b/drivers/net/wireless/b43/xmit.c -@@ -687,7 +687,8 @@ void b43_handle_txstatus(struct b43_wlde - /* Fill out the mac80211 TXstatus report based on the b43-specific - * txstatus report data. This returns a boolean whether the frame was - * successfully transmitted. */ --bool b43_fill_txstatus_report(struct ieee80211_tx_info *report, -+bool b43_fill_txstatus_report(struct b43_wldev *dev, -+ struct ieee80211_tx_info *report, - const struct b43_txstatus *status) - { - bool frame_success = 1; -@@ -706,8 +707,19 @@ bool b43_fill_txstatus_report(struct iee - if (status->frame_count == 0) { - /* The frame was not transmitted at all. */ - report->status.retry_count = 0; -- } else -+ } else if (status->rts_count > dev->short_retry) { -+ /* -+ * If the short retries (RTS, not data frame) have exceeded -+ * the limit, the hw will not have tried the selected rate, -+ * but will have used the fallback rate instead. -+ * Don't let the rate control count attempts for the selected -+ * rate in this case, otherwise the statistics will be off. -+ */ -+ report->tx_rate_idx = 0; -+ report->status.retry_count = 0; -+ } else { - report->status.retry_count = status->frame_count - 1; -+ } - - return frame_success; - } ---- a/drivers/net/wireless/b43/xmit.h -+++ b/drivers/net/wireless/b43/xmit.h -@@ -294,7 +294,8 @@ void b43_rx(struct b43_wldev *dev, struc - - void b43_handle_txstatus(struct b43_wldev *dev, - const struct b43_txstatus *status); --bool b43_fill_txstatus_report(struct ieee80211_tx_info *report, -+bool b43_fill_txstatus_report(struct b43_wldev *dev, -+ struct ieee80211_tx_info *report, - const struct b43_txstatus *status); - - void b43_tx_suspend(struct b43_wldev *dev); -- cgit v1.2.3