The description is too long to read, and some parameters
have been described incorrectly, e.g. vht-mcs.

Re-plan macro for description and use it.

Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com>
---
 bitrate.c | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)

diff --git a/bitrate.c b/bitrate.c
index 87146699937b..8c575b086eba 100644
--- a/bitrate.c
+++ b/bitrate.c
@@ -456,9 +456,22 @@ static int handle_bitrates(struct nl80211_state *state,
 }
 
 #define DESCR_LEGACY "[legacy-<2.4|5> <legacy rate in Mbps>*]"
-#define DESCR DESCR_LEGACY " [ht-mcs-<2.4|5> <MCS index>*] [vht-mcs-<2.4|5>  [he-mcs-<2.4|5|6> <NSS:MCSx,MCSy... | NSS:MCSx-MCSy>*] [sgi-2.4|lgi-2.4] [sgi-5|lgi-5]"
-
-COMMAND(set, bitrates, "[legacy-<2.4|5> <legacy rate in Mbps>*] [ht-mcs-<2.4|5> <MCS index>*] [vht-mcs-<2.4|5> [he-mcs-<2.4|5|6> <NSS:MCSx,MCSy... | NSS:MCSx-MCSy>*] [sgi-2.4|lgi-2.4] [sgi-5|lgi-5] [he-gi-<2.4|5|6> <0.8|1.6|3.2>] [he-ltf-<2.4|5|6> <1|2|4>]",
+#define DESCR_HT " [ht-mcs-<2.4|5> <MCS index>*]"
+#define DESCR_VHT " [vht-mcs-<2.4|5> <NSS:MCSx,MCSy... | NSS:MCSx-MCSy>*]"
+#define DESCR_HE " [he-mcs-<2.4|5|6> <NSS:MCSx,MCSy... | NSS:MCSx-MCSy>*]"
+#define DESCR_GI " [sgi-2.4|lgi-2.4] [sgi-5|lgi-5] [he-gi-<2.4|5|6> <0.8|1.6|3.2>]"
+#define DESCR_LTF " [he-ltf-<2.4|5|6> <1|2|4>]"
+
+#define DESCR \
+	DESCR_LEGACY \
+	DESCR_HT \
+	DESCR_VHT \
+	DESCR_HE \
+	DESCR_GI \
+	DESCR_LTF \
+	/* end of DESCR */
+
+COMMAND(set, bitrates, DESCR,
 	NL80211_CMD_SET_TX_BITRATE_MASK, 0, CIB_NETDEV, handle_bitrates,
 	"Sets up the specified rate masks.\n"
 	"Not passing any arguments would clear the existing mask (if any).");
-- 
2.39.0