From: Gabor Juhos <juhosg@openwrt.org>
Date: Tue, 11 Aug 2009 06:47:30 +0000 (+0200)
Subject: iw: fix typos in MCS set parsing code
X-Git-Tag: v0.9.16~4
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2b26aa52199898cc5fcc06f484f23d39beef0320;p=thirdparty%2Fiw.git

iw: fix typos in MCS set parsing code

The current code uses wrong binary operator for masking,
and the shift values for the 'tx_max_num_spatial_streams' and
'tx_unequal_modulation' fields are off-by-one.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
---

diff --git a/info.c b/info.c
index 2db0fc7..542745b 100644
--- a/info.c
+++ b/info.c
@@ -159,8 +159,8 @@ static int print_phy_handler(struct nl_msg *msg, void *arg)
 			max_rx_supp_data_rate = ((mcs[10] >> 8) & ((mcs[11] & 0x3) << 8));
 			tx_mcs_set_defined = !!(mcs[12] & (1 << 0));
 			tx_mcs_set_equal = !(mcs[12] & (1 << 1));
-			tx_max_num_spatial_streams = (mcs[12] | ((1 << 3) | (1 << 4))) + 1;
-			tx_unequal_modulation = !!(mcs[12] & (1 << 5));
+			tx_max_num_spatial_streams = (mcs[12] & ((1 << 2) | (1 << 3))) + 1;
+			tx_unequal_modulation = !!(mcs[12] & (1 << 4));
 
 			if (max_rx_supp_data_rate)
 				printf("\t\tHT Max RX data rate: %d Mbps\n", max_rx_supp_data_rate);