diff options
author | Tomas Winkler <tomas.winkler@intel.com> | 2008-10-23 23:48:55 -0700 |
---|---|---|
committer | John W. Linville <linville@tuxdriver.com> | 2008-10-31 19:02:27 -0400 |
commit | 127901ab69bbb263fb2b46e850cf20c57ac321d3 (patch) | |
tree | 35ab1fa324ca430ab486e9bc63cfea41966b1c49 /drivers/net/wireless/iwlwifi/iwl-4965-hw.h | |
parent | 951891c7ef844919d30aac7b1fc7396fd8be23ff (diff) |
iwlwifi: refactor tx byte count table usage
This patch drops unreadable usage of IWL_SET/GET_BITS16 in byte count
tables handling
This patch also cleans a bit the byte count table code and adds
WARN_ON traps on invalid values
This patch is pure cleanup, no functional changes.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Cc: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-4965-hw.h')
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-4965-hw.h | 38 |
1 files changed, 6 insertions, 32 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965-hw.h b/drivers/net/wireless/iwlwifi/iwl-4965-hw.h index b66dd093084..f3f41a6a7c8 100644 --- a/drivers/net/wireless/iwlwifi/iwl-4965-hw.h +++ b/drivers/net/wireless/iwlwifi/iwl-4965-hw.h @@ -111,7 +111,6 @@ #define PCI_CFG_CMD_REG_INT_DIS_MSK 0x04 #define PCI_CFG_PMC_PME_FROM_D3COLD_SUPPORT (0x80000000) -#define TFD_QUEUE_SIZE_MAX (256) #define IWL_NUM_SCAN_RATES (2) @@ -815,8 +814,6 @@ enum { * up to 7 DMA channels (FIFOs). Each Tx queue is supported by a circular array * in DRAM containing 256 Transmit Frame Descriptors (TFDs). */ -#define IWL49_MAX_WIN_SIZE 64 -#define IWL49_QUEUE_SIZE 256 #define IWL49_NUM_FIFOS 7 #define IWL49_CMD_FIFO_NUM 4 #define IWL49_NUM_QUEUES 16 @@ -882,26 +879,7 @@ struct iwl_tfd { /** - * struct iwl4965_queue_byte_cnt_entry - * - * Byte Count Table Entry - * - * Bit fields: - * 15-12: reserved - * 11- 0: total to-be-transmitted byte count of frame (does not include command) - */ -struct iwl4965_queue_byte_cnt_entry { - __le16 val; - /* __le16 byte_cnt:12; */ -#define IWL_byte_cnt_POS 0 -#define IWL_byte_cnt_LEN 12 -#define IWL_byte_cnt_SYM val - /* __le16 rsvd:4; */ -} __attribute__ ((packed)); - - -/** - * struct iwl4965_sched_queue_byte_cnt_tbl + * struct iwl4965_schedq_bc_tbl * * Byte Count table * @@ -915,15 +893,12 @@ struct iwl4965_queue_byte_cnt_entry { * count table for the chosen Tx queue. If the TFD index is 0-63, the driver * must duplicate the byte count entry in corresponding index 256-319. * - * "dont_care" padding puts each byte count table on a 1024-byte boundary; + * padding puts each byte count table on a 1024-byte boundary; * 4965 assumes tables are separated by 1024 bytes. */ -struct iwl4965_sched_queue_byte_cnt_tbl { - struct iwl4965_queue_byte_cnt_entry tfd_offset[IWL49_QUEUE_SIZE + - IWL49_MAX_WIN_SIZE]; - u8 dont_care[1024 - - (IWL49_QUEUE_SIZE + IWL49_MAX_WIN_SIZE) * - sizeof(__le16)]; +struct iwl4965_schedq_bc_tbl { + __le16 tfd_offset[TFD_QUEUE_BC_SIZE]; + u8 pad[1024 - (TFD_QUEUE_BC_SIZE) * sizeof(__le16)]; } __attribute__ ((packed)); @@ -951,8 +926,7 @@ struct iwl4965_sched_queue_byte_cnt_tbl { * 31- 0: Not used */ struct iwl4965_shared { - struct iwl4965_sched_queue_byte_cnt_tbl - queues_byte_cnt_tbls[IWL49_NUM_QUEUES]; + struct iwl4965_schedq_bc_tbl queues_bc_tbls[IWL49_NUM_QUEUES]; __le32 rb_closed; /* __le32 rb_closed_stts_rb_num:12; */ |