iwlwifi: revamp tx scheduler byte count tables handling

This moves byte count tables to tx domain removing completely
ambivalent shared data. Changes handling of allocation
byte count tables and keep warm consistent memory
Moves general tx scheduler definitions from iwl-4956-hw.h
to iwl-fh.h

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 9 insertions, 12 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index 55590a55198d..c36096069bfd 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -507,6 +507,7 @@ struct iwl_sensitivity_ranges {
 /**
  * struct iwl_hw_params
  * @max_txq_num: Max # Tx queues supported
+ * @scd_bc_tbls_size: size of scheduler byte count tables
  * @tx/rx_chains_num: Number of TX/RX chains
  * @valid_tx/rx_ant: usable antennas
  * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
@@ -524,6 +525,7 @@ struct iwl_sensitivity_ranges {
  */
 struct iwl_hw_params {
         u16 max_txq_num;
+        u16 scd_bc_tbls_size;
         u8  tx_chains_num;
         u8  rx_chains_num;
         u8  valid_tx_ant;
@@ -605,13 +607,9 @@ static inline u8 get_cmd_index(struct iwl_queue *q, u32 index, int is_huge)
 struct iwl_priv;
 
 
-/* Structures, enum, and defines specific to the 4965 */
-
-#define IWL_KW_SIZE 0x1000      /*4k */
-
-struct iwl_kw {
-        dma_addr_t dma_addr;
-        void *v_addr;
+struct iwl_dma_ptr {
+        dma_addr_t dma;
+        void *addr;
         size_t size;
 };
 
@@ -907,7 +905,9 @@ struct iwl_priv {
         struct iwl_rx_queue rxq;
         struct iwl_tx_queue txq[IWL_MAX_NUM_QUEUES];
         unsigned long txq_ctx_active_msk;
-        struct iwl_kw kw;       /* keep warm address */
+        struct iwl_dma_ptr  kw; /* keep warm address */
+        struct iwl_dma_ptr  scd_bc_tbls;
+
         u32 scd_base_addr;      /* scheduler sram base address */
 
         unsigned long status;
@@ -967,10 +967,7 @@ struct iwl_priv {
         struct ieee80211_vif *vif;
 
         struct iwl_hw_params hw_params;
-        /* driver/uCode shared Tx Byte Counts */
-        void *shared_virt;
-        /* Physical Pointer to Tx Byte Counts */
-        dma_addr_t shared_phys;
+
 
         /* Current association information needed to configure the
          * hardware */