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ath5k: implement ieee80211_ops->{get,set}_ringparam

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set_ringparam only allows changes to tx ring at this time.

Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
John W. Linville 2011-03-07 16:32:59 -05:00
parent 38c091590f
commit 81266baf04
3 changed files with 46 additions and 1 deletions
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3
drivers/net/wireless/ath/ath5k/base.c
View File

@ -943,6 +943,7 @@ ath5k_txq_setup(struct ath5k_softc *sc,
spin_lock_init(&txq->lock);
txq->setup = true;
txq->txq_len = 0;
txq->txq_max = ATH5K_TXQ_LEN_MAX;
txq->txq_poll_mark = false;
txq->txq_stuck = 0;
}
@ -1534,7 +1535,7 @@ ath5k_tx_queue(struct ieee80211_hw *hw, struct sk_buff *skb,
goto drop_packet;
}
if (txq->txq_len >= ATH5K_TXQ_LEN_MAX)
if (txq->txq_len >= txq->txq_max)
ieee80211_stop_queue(hw, txq->qnum);
spin_lock_irqsave(&sc->txbuflock, flags);

1
drivers/net/wireless/ath/ath5k/base.h
View File

@ -86,6 +86,7 @@ struct ath5k_txq {
spinlock_t lock; /* lock on q and link */
bool setup;
int txq_len; /* number of queued buffers */
int txq_max; /* max allowed num of queued buffers */
bool txq_poll_mark;
unsigned int txq_stuck; /* informational counter */
};

43
drivers/net/wireless/ath/ath5k/mac80211-ops.c
View File

@ -740,6 +740,47 @@ ath5k_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant)
}
static void ath5k_get_ringparam(struct ieee80211_hw *hw,
u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
{
struct ath5k_softc *sc = hw->priv;
*tx = sc->txqs[AR5K_TX_QUEUE_ID_DATA_MIN].txq_max;
*tx_max = ATH5K_TXQ_LEN_MAX;
*rx = *rx_max = ATH_RXBUF;
}
static int ath5k_set_ringparam(struct ieee80211_hw *hw, u32 tx, u32 rx)
{
struct ath5k_softc *sc = hw->priv;
u16 qnum;
/* only support setting tx ring size for now */
if (rx != ATH_RXBUF)
return -EINVAL;
/* restrict tx ring size min/max */
if (!tx || tx > ATH5K_TXQ_LEN_MAX)
return -EINVAL;
for (qnum = 0; qnum < ARRAY_SIZE(sc->txqs); qnum++) {
if (!sc->txqs[qnum].setup)
continue;
if (sc->txqs[qnum].qnum < AR5K_TX_QUEUE_ID_DATA_MIN ||
sc->txqs[qnum].qnum > AR5K_TX_QUEUE_ID_DATA_MAX)
continue;
sc->txqs[qnum].txq_max = tx;
if (sc->txqs[qnum].txq_len >= sc->txqs[qnum].txq_max)
ieee80211_stop_queue(hw, sc->txqs[qnum].qnum);
}
return 0;
}
const struct ieee80211_ops ath5k_hw_ops = {
.tx = ath5k_tx,
.start = ath5k_start,
@ -778,4 +819,6 @@ const struct ieee80211_ops ath5k_hw_ops = {
/* .napi_poll = not implemented */
.set_antenna = ath5k_set_antenna,
.get_antenna = ath5k_get_antenna,
.set_ringparam = ath5k_set_ringparam,
.get_ringparam = ath5k_get_ringparam,
};