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| author | Jouni Malinen <jouni.malinen@atheros.com> | 2009-05-19 17:01:38 +0300 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-05-20 14:46:32 -0400 |
| commit | 9a23f9ca50943c1b4535d22b3acda3c31b4ad072 (patch) | |
| tree | c8e4e3398279f6ac461e5ebfdb2d22d974e5f6c3 /drivers/net/wireless/ath/ath9k/xmit.c | |
| parent | cce4c77b87ce7e71a0f244a3dfb6ac1c3a1bc67e (diff) | |
| download | lwn-9a23f9ca50943c1b4535d22b3acda3c31b4ad072.tar.gz lwn-9a23f9ca50943c1b4535d22b3acda3c31b4ad072.zip | |
ath9k: Wake up for TX in mac80211 timeout=0 sleep mode
When using timeout=0 (PS-Poll) with mac80211, the driver will need to
wake up for TX requests and remain awake until the TX has been
completed (ACK received or timeout) or until the buffer frame(s) have
been received (in case the TX is for a PS-Poll frame).
Signed-off-by: Jouni Malinen <jouni.malinen@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/xmit.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/xmit.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index 3f2bd79f945e..a8def4fa449c 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -1790,6 +1790,16 @@ static void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb, skb_pull(skb, padsize); } + if (sc->sc_flags & SC_OP_WAIT_FOR_TX_ACK) { + sc->sc_flags &= ~SC_OP_WAIT_FOR_TX_ACK; + DPRINTF(sc, ATH_DBG_PS, "Going back to sleep after having " + "received TX status (0x%x)\n", + sc->sc_flags & (SC_OP_WAIT_FOR_BEACON | + SC_OP_WAIT_FOR_CAB | + SC_OP_WAIT_FOR_PSPOLL_DATA | + SC_OP_WAIT_FOR_TX_ACK)); + } + if (frame_type == ATH9K_NOT_INTERNAL) ieee80211_tx_status(hw, skb); else |