diff options
| author | Bruno Randolf <br1@einfach.org> | 2010-12-07 05:08:12 +0300 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-12-08 01:07:54 +0300 |
| commit | 22d8d9f81b8b054df2f7f82daffcb71608f411e4 (patch) | |
| tree | 445ee23a04aa68cbd3b5b599637ebb39d6bf8a32 /drivers/net/wireless/ath/ath5k/base.c | |
| parent | d7fd1b50a51be3fe6554fbab8953fa8a3ff4009b (diff) | |
| download | linux-22d8d9f81b8b054df2f7f82daffcb71608f411e4.tar.xz | |
ath5k: Use capabilities information for the number of TX queues
One thing I missed in my WME series: Older hardware does not have enough
hardware queues to support WME. In this case we just set up one data queue. Use
the capability information to decide how many queues to set up.
Signed-off-by: Bruno Randolf <br1@einfach.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath5k/base.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath5k/base.c | 65 |
1 files changed, 39 insertions, 26 deletions
diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c index 0c419b73f394..bccea7450c38 100644 --- a/drivers/net/wireless/ath/ath5k/base.c +++ b/drivers/net/wireless/ath/ath5k/base.c @@ -2797,33 +2797,46 @@ ath5k_init(struct ieee80211_hw *hw) goto err_bhal; } - /* This order matches mac80211's queue priority, so we can - * directly use the mac80211 queue number without any mapping */ - txq = ath5k_txq_setup(sc, AR5K_TX_QUEUE_DATA, AR5K_WME_AC_VO); - if (IS_ERR(txq)) { - ATH5K_ERR(sc, "can't setup xmit queue\n"); - ret = PTR_ERR(txq); - goto err_queues; - } - txq = ath5k_txq_setup(sc, AR5K_TX_QUEUE_DATA, AR5K_WME_AC_VI); - if (IS_ERR(txq)) { - ATH5K_ERR(sc, "can't setup xmit queue\n"); - ret = PTR_ERR(txq); - goto err_queues; - } - txq = ath5k_txq_setup(sc, AR5K_TX_QUEUE_DATA, AR5K_WME_AC_BE); - if (IS_ERR(txq)) { - ATH5K_ERR(sc, "can't setup xmit queue\n"); - ret = PTR_ERR(txq); - goto err_queues; - } - txq = ath5k_txq_setup(sc, AR5K_TX_QUEUE_DATA, AR5K_WME_AC_BK); - if (IS_ERR(txq)) { - ATH5K_ERR(sc, "can't setup xmit queue\n"); - ret = PTR_ERR(txq); - goto err_queues; + /* 5211 and 5212 usually support 10 queues but we better rely on the + * capability information */ + if (ah->ah_capabilities.cap_queues.q_tx_num >= 6) { + /* This order matches mac80211's queue priority, so we can + * directly use the mac80211 queue number without any mapping */ + txq = ath5k_txq_setup(sc, AR5K_TX_QUEUE_DATA, AR5K_WME_AC_VO); + if (IS_ERR(txq)) { + ATH5K_ERR(sc, "can't setup xmit queue\n"); + ret = PTR_ERR(txq); + goto err_queues; + } + txq = ath5k_txq_setup(sc, AR5K_TX_QUEUE_DATA, AR5K_WME_AC_VI); + if (IS_ERR(txq)) { + ATH5K_ERR(sc, "can't setup xmit queue\n"); + ret = PTR_ERR(txq); + goto err_queues; + } + txq = ath5k_txq_setup(sc, AR5K_TX_QUEUE_DATA, AR5K_WME_AC_BE); + if (IS_ERR(txq)) { + ATH5K_ERR(sc, "can't setup xmit queue\n"); + ret = PTR_ERR(txq); + goto err_queues; + } + txq = ath5k_txq_setup(sc, AR5K_TX_QUEUE_DATA, AR5K_WME_AC_BK); + if (IS_ERR(txq)) { + ATH5K_ERR(sc, "can't setup xmit queue\n"); + ret = PTR_ERR(txq); + goto err_queues; + } + hw->queues = 4; + } else { + /* older hardware (5210) can only support one data queue */ + txq = ath5k_txq_setup(sc, AR5K_TX_QUEUE_DATA, AR5K_WME_AC_BE); + if (IS_ERR(txq)) { + ATH5K_ERR(sc, "can't setup xmit queue\n"); + ret = PTR_ERR(txq); + goto err_queues; + } + hw->queues = 1; } - hw->queues = 4; tasklet_init(&sc->rxtq, ath5k_tasklet_rx, (unsigned long)sc); tasklet_init(&sc->txtq, ath5k_tasklet_tx, (unsigned long)sc); |