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[v2,09/16] rsi: Use SGI if configured for fixed rate transmission.

Message ID 1402928034-4018-1-git-send-email-jahnavi.meher@gmail.com (mailing list archive)
State Not Applicable, archived
Headers show

Commit Message

Jahnavi Meher June 16, 2014, 2:13 p.m. UTC 
Use SGI if configured while sending data packets at a fixed rate.

Signed-off-by: Jahnavi Meher <jahnavi.meher@gmail.com>
---
 drivers/net/wireless/rsi/rsi_91x_pkt.c |    6 ++++++
 drivers/net/wireless/rsi/rsi_mgmt.h    |    1 +
 2 files changed, 7 insertions(+), 0 deletions(-)
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Patch

diff --git a/drivers/net/wireless/rsi/rsi_91x_pkt.c b/drivers/net/wireless/rsi/rsi_91x_pkt.c
index 8e48e72..229ef3a 100644
--- a/drivers/net/wireless/rsi/rsi_91x_pkt.c
+++ b/drivers/net/wireless/rsi/rsi_91x_pkt.c
@@ -81,6 +81,12 @@  int rsi_send_data_pkt(struct rsi_common *common, struct sk_buff *skb)
 		/* Send fixed rate */
 		frame_desc[3] = cpu_to_le16(RATE_INFO_ENABLE);
 		frame_desc[4] = cpu_to_le16(common->min_rate);
+		if (common->vif_info[0].sgi) {
+			if (common->min_rate & 0x100) /* Only MCS rates */
+				frame_desc[4] |=
+					cpu_to_le16(ENABLE_SHORTGI_RATE);
+		}
+
 	}
 
 	frame_desc[6] |= cpu_to_le16(seq_num & 0xfff);
diff --git a/drivers/net/wireless/rsi/rsi_mgmt.h b/drivers/net/wireless/rsi/rsi_mgmt.h
index 6ccf9d9..8bff664 100644
--- a/drivers/net/wireless/rsi/rsi_mgmt.h
+++ b/drivers/net/wireless/rsi/rsi_mgmt.h
@@ -69,6 +69,7 @@ 
 
 #define RSI_LMAC_CLOCK_80MHZ            0x1
 #define RSI_ENABLE_40MHZ                (0x1 << 3)
+#define ENABLE_SHORTGI_RATE		BIT(9)
 
 #define RX_BA_INDICATION                1
 #define RSI_TBL_SZ                      40