diff options
Diffstat (limited to 'drivers/net/wireless/wl12xx/tx.h')
| -rw-r--r-- | drivers/net/wireless/wl12xx/tx.h | 46 |
1 files changed, 37 insertions, 9 deletions
diff --git a/drivers/net/wireless/wl12xx/tx.h b/drivers/net/wireless/wl12xx/tx.h index 02f07fa66e82..e31317717ab2 100644 --- a/drivers/net/wireless/wl12xx/tx.h +++ b/drivers/net/wireless/wl12xx/tx.h @@ -55,20 +55,48 @@ #define WL1271_TX_ALIGN_TO 4 #define WL1271_TKIP_IV_SPACE 4 +struct wl127x_tx_mem { + /* + * Number of extra memory blocks to allocate for this packet + * in addition to the number of blocks derived from the packet + * length. + */ + u8 extra_blocks; + /* + * Total number of memory blocks allocated by the host for + * this packet. Must be equal or greater than the actual + * blocks number allocated by HW. + */ + u8 total_mem_blocks; +} __packed; + +struct wl128x_tx_mem { + /* + * Total number of memory blocks allocated by the host for + * this packet. + */ + u8 total_mem_blocks; + /* + * Number of extra bytes, at the end of the frame. the host + * uses this padding to complete each frame to integer number + * of SDIO blocks. + */ + u8 extra_bytes; +} __packed; + struct wl1271_tx_hw_descr { /* Length of packet in words, including descriptor+header+data */ __le16 length; - /* Number of extra memory blocks to allocate for this packet in - addition to the number of blocks derived from the packet length */ - u8 extra_mem_blocks; - /* Total number of memory blocks allocated by the host for this packet. - Must be equal or greater than the actual blocks number allocated by - HW!! */ - u8 total_mem_blocks; + union { + struct wl127x_tx_mem wl127x_mem; + struct wl128x_tx_mem wl128x_mem; + } __packed; /* Device time (in us) when the packet arrived to the driver */ __le32 start_time; - /* Max delay in TUs until transmission. The last device time the - packet can be transmitted is: startTime+(1024*LifeTime) */ + /* + * Max delay in TUs until transmission. The last device time the + * packet can be transmitted is: start_time + (1024 * life_time) + */ __le16 life_time; /* Bitwise fields - see TX_ATTR... definitions above. */ __le16 tx_attr; |