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authorJohn W. Linville <linville@tuxdriver.com>2010-11-22 15:28:30 -0500
committerJohn W. Linville <linville@tuxdriver.com>2010-11-22 15:28:30 -0500
commit840fd8ff64f7b6c9cbfa9b7d0419f015f33303ff (patch)
treebcdc472c9b794f1d141534c14dcb0dd17015f030 /drivers/net/wireless/iwlwifi/iwl-helpers.h
parentb84a7d3d9e7cd5a25f4fd32142cebdf4481a74a4 (diff)
parent9e2e7422d059f9b98c3a0810df92a1ff660ade2f (diff)
Merge branch 'wireless-next-2.6' of git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-2.6
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-helpers.h')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-helpers.h36
1 files changed, 15 insertions, 21 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-helpers.h b/drivers/net/wireless/iwlwifi/iwl-helpers.h
index 92336830415..3f5bedd8875 100644
--- a/drivers/net/wireless/iwlwifi/iwl-helpers.h
+++ b/drivers/net/wireless/iwlwifi/iwl-helpers.h
@@ -95,42 +95,36 @@ static inline int iwl_alloc_fw_desc(struct pci_dev *pci_dev,
95 * | | | | | | | | 95 * | | | | | | | |
96 * | | | | | | +-+-------- AC queue (0-3) 96 * | | | | | | +-+-------- AC queue (0-3)
97 * | | | | | | 97 * | | | | | |
98 * | +-+-+-+-+------------ HW A-MPDU queue 98 * | +-+-+-+-+------------ HW queue ID
99 * | 99 * |
100 * +---------------------- indicates agg queue 100 * +---------------------- unused
101 */ 101 */
102static inline u8 iwl_virtual_agg_queue_num(u8 ac, u8 hwq) 102static inline void iwl_set_swq_id(struct iwl_tx_queue *txq, u8 ac, u8 hwq)
103{ 103{
104 BUG_ON(ac > 3); /* only have 2 bits */ 104 BUG_ON(ac > 3); /* only have 2 bits */
105 BUG_ON(hwq > 31); /* only have 5 bits */ 105 BUG_ON(hwq > 31); /* only use 5 bits */
106 106
107 return 0x80 | (hwq << 2) | ac; 107 txq->swq_id = (hwq << 2) | ac;
108} 108}
109 109
110static inline void iwl_wake_queue(struct iwl_priv *priv, u8 queue) 110static inline void iwl_wake_queue(struct iwl_priv *priv,
111 struct iwl_tx_queue *txq)
111{ 112{
112 u8 ac = queue; 113 u8 queue = txq->swq_id;
113 u8 hwq = queue; 114 u8 ac = queue & 3;
114 115 u8 hwq = (queue >> 2) & 0x1f;
115 if (queue & 0x80) {
116 ac = queue & 3;
117 hwq = (queue >> 2) & 0x1f;
118 }
119 116
120 if (test_and_clear_bit(hwq, priv->queue_stopped)) 117 if (test_and_clear_bit(hwq, priv->queue_stopped))
121 if (atomic_dec_return(&priv->queue_stop_count[ac]) <= 0) 118 if (atomic_dec_return(&priv->queue_stop_count[ac]) <= 0)
122 ieee80211_wake_queue(priv->hw, ac); 119 ieee80211_wake_queue(priv->hw, ac);
123} 120}
124 121
125static inline void iwl_stop_queue(struct iwl_priv *priv, u8 queue) 122static inline void iwl_stop_queue(struct iwl_priv *priv,
123 struct iwl_tx_queue *txq)
126{ 124{
127 u8 ac = queue; 125 u8 queue = txq->swq_id;
128 u8 hwq = queue; 126 u8 ac = queue & 3;
129 127 u8 hwq = (queue >> 2) & 0x1f;
130 if (queue & 0x80) {
131 ac = queue & 3;
132 hwq = (queue >> 2) & 0x1f;
133 }
134 128
135 if (!test_and_set_bit(hwq, priv->queue_stopped)) 129 if (!test_and_set_bit(hwq, priv->queue_stopped))
136 if (atomic_inc_return(&priv->queue_stop_count[ac]) > 0) 130 if (atomic_inc_return(&priv->queue_stop_count[ac]) > 0)