After my latest git pull to the kernel version 2.6.33-rc1-wl
no client was able to connect to my hostapd (v0.6.9) AP.
I found a lot of the following entries in the syslog:
wlan0: STA xx:xx:xx:xx:xx:xx
IEEE 802.11: did not acknowledge authentication response
I bisected the problem to the commit e77f5ff92f5ef43c842e97136edcb68c61afe588
above.
After I removed the lines below in rt2x00dev.c:
rt2x00dev->hw->extra_tx_headroom =
max_t(unsigned int, IEEE80211_TX_STATUS_HEADROOM,
rt2x00dev->ops->extra_tx_headroom);
/*
* Take TX headroom required for alignment into account.
*/
if (test_bit(DRIVER_REQUIRE_L2PAD, &rt2x00dev->flags))
rt2x00dev->hw->extra_tx_headroom += RT2X00_L2PAD_SIZE;
else if (test_bit(DRIVER_REQUIRE_DMA, &rt2x00dev->flags))
rt2x00dev->hw->extra_tx_headroom += RT2X00_ALIGN_SIZE;
added the line:
rt2x00dev->hw->extra_tx_headroom = rt2x00dev->ops->extra_tx_headroom;
and compiled the kernel 2.6.33-rc2 again, all worked fine.
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