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authorNishant Sarmukadam <nishants@marvell.com>2011-02-17 23:45:18 +0100
committerJohn W. Linville <linville@tuxdriver.com>2011-02-23 22:25:25 +0100
commit85c9205c79c794a6eea0c7217db93b4c637f136e (patch)
treede34d3bc21702a784fdfd7453a96f5b51fbc0325 /drivers/net/wireless
parentmwl8k: Tell mac80211 we have rate adaptation in FW (diff)
downloadlinux-85c9205c79c794a6eea0c7217db93b4c637f136e.tar.xz
linux-85c9205c79c794a6eea0c7217db93b4c637f136e.zip
mwl8k: Invert tx queues for set_hw_spec and set_edca_params
mac80211 and mwl8k FW tx queue priorities map inversely to each other. Fix this. Signed-off-by: Pradeep Nemavat <pnemavat@marvell.com> Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Tested-by: Pradeep Nemavat <pnemavat@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to '')
-rw-r--r--drivers/net/wireless/mwl8k.c20
1 files changed, 16 insertions, 4 deletions
diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index 44355f7dd615..03f2584aed12 100644
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -2128,8 +2128,18 @@ static int mwl8k_cmd_set_hw_spec(struct ieee80211_hw *hw)
cmd->ps_cookie = cpu_to_le32(priv->cookie_dma);
cmd->rx_queue_ptr = cpu_to_le32(priv->rxq[0].rxd_dma);
cmd->num_tx_queues = cpu_to_le32(MWL8K_TX_QUEUES);
- for (i = 0; i < MWL8K_TX_QUEUES; i++)
- cmd->tx_queue_ptrs[i] = cpu_to_le32(priv->txq[i].txd_dma);
+
+ /*
+ * Mac80211 stack has Q0 as highest priority and Q3 as lowest in
+ * that order. Firmware has Q3 as highest priority and Q0 as lowest
+ * in that order. Map Q3 of mac80211 to Q0 of firmware so that the
+ * priority is interpreted the right way in firmware.
+ */
+ for (i = 0; i < MWL8K_TX_QUEUES; i++) {
+ int j = MWL8K_TX_QUEUES - 1 - i;
+ cmd->tx_queue_ptrs[i] = cpu_to_le32(priv->txq[j].txd_dma);
+ }
+
cmd->flags = cpu_to_le32(MWL8K_SET_HW_SPEC_FLAG_HOST_DECR_MGMT |
MWL8K_SET_HW_SPEC_FLAG_HOSTFORM_PROBERESP |
MWL8K_SET_HW_SPEC_FLAG_HOSTFORM_BEACON);
@@ -4331,12 +4341,14 @@ static int mwl8k_conf_tx(struct ieee80211_hw *hw, u16 queue,
if (!priv->wmm_enabled)
rc = mwl8k_cmd_set_wmm_mode(hw, 1);
- if (!rc)
- rc = mwl8k_cmd_set_edca_params(hw, queue,
+ if (!rc) {
+ int q = MWL8K_TX_QUEUES - 1 - queue;
+ rc = mwl8k_cmd_set_edca_params(hw, q,
params->cw_min,
params->cw_max,
params->aifs,
params->txop);
+ }
mwl8k_fw_unlock(hw);
}