diff options
| author | Johannes Stezenbach <js@sig21.net> | 2010-11-30 16:49:23 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-11-30 13:53:46 -0500 |
| commit | 20ed3166c84d145589a89d8cde12aa32cf2d17f4 (patch) | |
| tree | c6fa2fb5ce7ce1bd06f8787809c534b793813f28 /drivers | |
| parent | 4352fab5c2a1a602447d711c84d149bf2f0bc7ba (diff) | |
mac80211/rt2x00: add ieee80211_tx_status_ni()
All rt2x00 drivers except rt2800pci call ieee80211_tx_status() from
a workqueue, which causes "NOHZ: local_softirq_pending 08" messages.
To fix it, add ieee80211_tx_status_ni() similar to ieee80211_rx_ni()
which can be called from process context, and call it from
rt2x00lib_txdone(). For the rt2800pci special case a driver
flag is introduced.
Signed-off-by: Johannes Stezenbach <js@sig21.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2800pci.c | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00.h | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00dev.c | 9 |
3 files changed, 8 insertions, 3 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c index 433c7f3ef83..b989b0d3ed4 100644 --- a/drivers/net/wireless/rt2x00/rt2800pci.c +++ b/drivers/net/wireless/rt2x00/rt2800pci.c @@ -911,6 +911,7 @@ static int rt2800pci_probe_hw(struct rt2x00_dev *rt2x00dev) __set_bit(DRIVER_REQUIRE_DMA, &rt2x00dev->flags); __set_bit(DRIVER_REQUIRE_L2PAD, &rt2x00dev->flags); __set_bit(DRIVER_REQUIRE_TXSTATUS_FIFO, &rt2x00dev->flags); + __set_bit(DRIVER_REQUIRE_TASKLET_CONTEXT, &rt2x00dev->flags); if (!modparam_nohwcrypt) __set_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags); __set_bit(DRIVER_SUPPORT_LINK_TUNING, &rt2x00dev->flags); diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h index 0a55eeff871..e72117f3fdf 100644 --- a/drivers/net/wireless/rt2x00/rt2x00.h +++ b/drivers/net/wireless/rt2x00/rt2x00.h @@ -664,6 +664,7 @@ enum rt2x00_flags { DRIVER_REQUIRE_COPY_IV, DRIVER_REQUIRE_L2PAD, DRIVER_REQUIRE_TXSTATUS_FIFO, + DRIVER_REQUIRE_TASKLET_CONTEXT, /* * Driver features diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c index c879f9a7037..bd3afc92f43 100644 --- a/drivers/net/wireless/rt2x00/rt2x00dev.c +++ b/drivers/net/wireless/rt2x00/rt2x00dev.c @@ -379,9 +379,12 @@ void rt2x00lib_txdone(struct queue_entry *entry, * through a mac80211 library call (RTS/CTS) then we should not * send the status report back. */ - if (!(skbdesc_flags & SKBDESC_NOT_MAC80211)) - ieee80211_tx_status(rt2x00dev->hw, entry->skb); - else + if (!(skbdesc_flags & SKBDESC_NOT_MAC80211)) { + if (test_bit(DRIVER_REQUIRE_TASKLET_CONTEXT, &rt2x00dev->flags)) + ieee80211_tx_status(rt2x00dev->hw, entry->skb); + else + ieee80211_tx_status_ni(rt2x00dev->hw, entry->skb); + } else dev_kfree_skb_any(entry->skb); /* |