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authorMohammed Shafi Shajakhan <mshajakhan@atheros.com>2011-05-17 11:35:05 +0400
committerJohn W. Linville <linville@tuxdriver.com>2011-05-19 21:54:04 +0400
commita455c57ed3e4b2166c42286dd7987f36b5e00612 (patch)
tree9bafffd15f5d46d1e8064e91f527e2b3b44f62ed /drivers/net
parent89ea674565611908e11f92f57b15bf50d82f1f22 (diff)
downloadlinux-a455c57ed3e4b2166c42286dd7987f36b5e00612.tar.xz
ath_hw: Fix bssid mask documentation
Signed-off-by: Mohammed Shafi Shajakhan <mshajakhan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/wireless/ath/hw.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/net/wireless/ath/hw.c b/drivers/net/wireless/ath/hw.c
index 183c28281385..eda470b24990 100644
--- a/drivers/net/wireless/ath/hw.c
+++ b/drivers/net/wireless/ath/hw.c
@@ -43,7 +43,7 @@
* set of ~ ( MAC XOR BSSID ) for all bssids we handle.
*
* When you do this you are essentially computing the common bits of all your
- * BSSes. Later it is assumed the harware will "and" (&) the BSSID mask with
+ * BSSes. Later it is assumed the hardware will "and" (&) the BSSID mask with
* the MAC address to obtain the relevant bits and compare the result with
* (frame's BSSID & mask) to see if they match.
*
@@ -71,8 +71,8 @@
* On loop iteration for BSSID-02:
* bssid_mask &= ~(0001 ^ 1001)
* bssid_mask = (1010) & ~(0001 ^ 1001)
- * bssid_mask = (1010) & ~(1001)
- * bssid_mask = (1010) & (0110)
+ * bssid_mask = (1010) & ~(1000)
+ * bssid_mask = (1010) & (0111)
* bssid_mask = 0010
*
* A bssid_mask of 0010 means "only pay attention to the second least
@@ -102,11 +102,9 @@
*
* IFRAME-02: 0001 (we should allow)
*
- * allow = (0001 & 1010) == 1010
- *
* allow = (IFRAME-02 & bssid_mask) == (bssid_mask & MAC) ? 1 : 0;
* --> allow = (0001 & 0010) == (0010 & 0001) ? 1 :0;
- * --> allow = (0010) == (0010)
+ * --> allow = (0000) == (0000)
* --> allow = 1
*
* Other examples: