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iw: fix typos in MCS set parsing code

Message ID 1249973250-9235-1-git-send-email-juhosg@openwrt.org (mailing list archive)
State Not Applicable, archived
Headers show

Commit Message

Gabor Juhos Aug. 11, 2009, 6:47 a.m. UTC 
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>
---
 info.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
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Patch

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);