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| author |   Johannes Berg <johannes.berg@intel.com> | 2013-02-26 11:32:26 +0100 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2013-02-28 11:48:51 +0100 |
| commit | 1afbfb6041fb8f639e742620ad933c347e14ba2c (patch) | |
| tree | 028e6a718d1f338ba5f53d980294393e9251d4ed /drivers/net/wireless/iwlwifi/iwl-trans.h | |
| parent | iwlwifi: don't map complete commands bidirectionally (diff) | |
| download | linux-dev-1afbfb6041fb8f639e742620ad933c347e14ba2c.tar.xz linux-dev-1afbfb6041fb8f639e742620ad933c347e14ba2c.zip | |
iwlwifi: rename IWL_MAX_CMD_TFDS to IWL_MAX_CMD_TBS_PER_TFD
The IWL_MAX_CMD_TFDS name for this constant is wrong, the
constant really indicates how many TBs we can use in the
driver for a single command TFD, rename the constant and
also add a comment explaining it.
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-trans.h')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-trans.h | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans.h b/drivers/net/wireless/iwlwifi/iwl-trans.h index 8c7bec6b9a0b..058947f213b2 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans.h +++ b/drivers/net/wireless/iwlwifi/iwl-trans.h @@ -217,7 +217,11 @@ struct iwl_device_cmd { #define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_device_cmd)) -#define IWL_MAX_CMD_TFDS 2 +/* + * number of transfer buffers (fragments) per transmit frame descriptor; + * this is just the driver's idea, the hardware supports 20 + */ +#define IWL_MAX_CMD_TBS_PER_TFD 2 /** * struct iwl_hcmd_dataflag - flag for each one of the chunks of the command @@ -254,15 +258,15 @@ enum iwl_hcmd_dataflag { * @id: id of the host command */ struct iwl_host_cmd { - const void *data[IWL_MAX_CMD_TFDS]; + const void *data[IWL_MAX_CMD_TBS_PER_TFD]; struct iwl_rx_packet *resp_pkt; unsigned long _rx_page_addr; u32 _rx_page_order; int handler_status; u32 flags; - u16 len[IWL_MAX_CMD_TFDS]; - u8 dataflags[IWL_MAX_CMD_TFDS]; + u16 len[IWL_MAX_CMD_TBS_PER_TFD]; + u8 dataflags[IWL_MAX_CMD_TBS_PER_TFD]; u8 id; }; |