From 85c9205c79c794a6eea0c7217db93b4c637f136e Mon Sep 17 00:00:00 2001 From: Nishant Sarmukadam Date: Thu, 17 Feb 2011 14:45:18 -0800 Subject: [PATCH] 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 Signed-off-by: Lennert Buytenhek Tested-by: Pradeep Nemavat Signed-off-by: John W. Linville --- drivers/net/wireless/mwl8k.c | 20 ++++++++++++++++---- 1 file changed, 16 insertions(+), 4 deletions(-) diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c index 44355f7..03f2584 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); } -- 2.7.4