carl9170 firmware: initial WoWLAN support

[carl9170fw.git] / carlfw / include / dma.h

diff --git a/carlfw/include/dma.h b/carlfw/include/dma.h
index 07d06d607f9bc2fea7429fede6e6799ac94fdd50..51d0db4442aef7c3765a9083cc6f344dee345004 100644 (file)
--- a/carlfw/include/dma.h
+++ b/carlfw/include/dma.h
@@ -75,6 +75,16 @@ struct carl9170_tx_ba_superframe {
        struct ar9170_tx_ba_frame f;
 } __packed;
 
+struct ar9170_tx_null_frame {
+       struct ar9170_tx_hwdesc hdr;
+       struct ieee80211_hdr null;
+} __packed;
+
+struct carl9170_tx_null_superframe {
+       struct carl9170_tx_superdesc s;
+       struct ar9170_tx_null_frame f;
+} __packed;
+
 #define CARL9170_BA_BUFFER_LEN (__roundup(sizeof(struct carl9170_tx_ba_superframe), 16))
 #define CARL9170_RSP_BUFFER_LEN        AR9170_BLOCK_SIZE
 
@@ -87,6 +97,10 @@ struct carl9170_sram_reserved {
        union {
                uint32_t buf[CARL9170_MAX_CMD_LEN / sizeof(uint32_t)];
                struct carl9170_cmd cmd;
+
+#ifdef CONFIG_CARL9170FW_WOL
+               struct carl9170_tx_null_superframe null;
+#endif /* CONFIG_CARL9170FW_WOL */
        } cmd;
 
        union {
@@ -123,6 +137,7 @@ struct carl9170_sram_reserved {
  *                             | BA buffer (128 bytes)
  *                             +--
  *                             | CMD buffer (128 bytes)
+ *                             | - used as NULLFRAME buffer (128 bytes) for WOL
  *                             +--
  *                             | RSP buffer (320 bytes)
  *                             +--
@@ -328,6 +343,7 @@ static inline void __check_desc(void)
        BUILD_BUG_ON(offsetof(struct carl9170_sram_reserved, cmd.buf) & (BLOCK_ALIGNMENT - 1));
        BUILD_BUG_ON(offsetof(struct carl9170_sram_reserved, rsp.buf) & (BLOCK_ALIGNMENT - 1));
        BUILD_BUG_ON(offsetof(struct carl9170_sram_reserved, bcn.buf) & (BLOCK_ALIGNMENT - 1));
+       BUILD_BUG_ON(sizeof(struct carl9170_tx_null_superframe) > CARL9170_MAX_CMD_LEN);
 }
 
 #endif /* __CARL9170FW_DMA_H */