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ath10k: Document alloc_frag_desc_for_data_pkt config option.

PATCH Applied [email protected] 2 participants 2 messages Feb 5, 2016 – Apr 13, 2016 Qualcomm Atheros ATH10K wireless driver

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PATCH 1/1 ath10k: Document alloc_frag_desc_for_data_pkt config option.

From: Ben Greear <[email protected]>

This will help anyone trying to use the ack-rssi reporting feature with the host-specified TX-rate option in 10.4 firmware.

---
 drivers/net/wireless/ath/ath10k/wmi.h | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)
drivers/net/wireless/ath/ath10k/wmi.h +6 -1
index e27a3ba..9f7cfc1 100644
@@ -2678,9 +2678,14 @@ struct wmi_resource_config_10_4 {
 	 */
 	__le32 iphdr_pad_config;
 
-	/* qwrap configuration
+	/* qwrap configuration (bits 15-0)
 	 * 1  - This is qwrap configuration
 	 * 0  - This is not qwrap
+	 *
+	 * Bits 31-16 is alloc_frag_desc_for_data_pkt (1 enables, 0 disables)
+	 * In order to get ack-RSSI reporting and to specify the tx-rate for
+	 * individual frames, this option must be enabled.  This uses an extra
+	 * 4 bytes per tx-msdu descriptor, so don't enable it unless you need it.
 	 */
 	__le32 qwrap_config;
 } __packed;
Signature · 7 lines
2.4.3


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