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| author | Felix Fietkau <nbd@openwrt.org> | 2016-03-02 14:56:48 +0000 |
|---|---|---|
| committer | Felix Fietkau <nbd@openwrt.org> | 2016-03-02 14:56:48 +0000 |
| commit | 806b68fc7744b61cbca7392532662bfe7b3f3f6e (patch) | |
| tree | c36535ef0ec68e92d9321ea2baa7aecbc49e58b4 /package/kernel/mac80211/patches/340-mac80211-fix-parsing-of-40Mhz-in-injected-radiotap-h.patch | |
| parent | cafc41ab0180afa3cb67c4e58b5bef6efe42ff3c (diff) | |
| download | mtk-20170518-806b68fc7744b61cbca7392532662bfe7b3f3f6e.zip mtk-20170518-806b68fc7744b61cbca7392532662bfe7b3f3f6e.tar.gz mtk-20170518-806b68fc7744b61cbca7392532662bfe7b3f3f6e.tar.bz2 | |
mac80211: add a number of pending fixes
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
SVN-Revision: 48883
Diffstat (limited to 'package/kernel/mac80211/patches/340-mac80211-fix-parsing-of-40Mhz-in-injected-radiotap-h.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/340-mac80211-fix-parsing-of-40Mhz-in-injected-radiotap-h.patch | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/340-mac80211-fix-parsing-of-40Mhz-in-injected-radiotap-h.patch b/package/kernel/mac80211/patches/340-mac80211-fix-parsing-of-40Mhz-in-injected-radiotap-h.patch new file mode 100644 index 0000000..de1b386 --- /dev/null +++ b/package/kernel/mac80211/patches/340-mac80211-fix-parsing-of-40Mhz-in-injected-radiotap-h.patch @@ -0,0 +1,36 @@ +From: Sven Eckelmann <sven@narfation.org> +Date: Wed, 24 Feb 2016 16:25:49 +0100 +Subject: [PATCH] mac80211: fix parsing of 40Mhz in injected radiotap + header + +The MCS bandwidth part of the radiotap header is 2 bits wide. The full 2 +bit have to compared against IEEE80211_RADIOTAP_MCS_BW_40 and not only if +the first bit is set. Otherwise IEEE80211_RADIOTAP_MCS_BW_40 can be +confused with IEEE80211_RADIOTAP_MCS_BW_20U. + +Fixes: 5ec3aed9ba4c ("mac80211: Parse legacy and HT rate in injected frames") +Signed-off-by: Sven Eckelmann <sven@narfation.org> +--- + +--- a/net/mac80211/tx.c ++++ b/net/mac80211/tx.c +@@ -1689,7 +1689,7 @@ static bool ieee80211_parse_tx_radiotap( + bool rate_found = false; + u8 rate_retries = 0; + u16 rate_flags = 0; +- u8 mcs_known, mcs_flags; ++ u8 mcs_known, mcs_flags, mcs_bw; + int i; + + info->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT | +@@ -1765,8 +1765,9 @@ static bool ieee80211_parse_tx_radiotap( + mcs_flags & IEEE80211_RADIOTAP_MCS_SGI) + rate_flags |= IEEE80211_TX_RC_SHORT_GI; + ++ mcs_bw = mcs_flags & IEEE80211_RADIOTAP_MCS_BW_MASK; + if (mcs_known & IEEE80211_RADIOTAP_MCS_HAVE_BW && +- mcs_flags & IEEE80211_RADIOTAP_MCS_BW_40) ++ mcs_bw == IEEE80211_RADIOTAP_MCS_BW_40) + rate_flags |= IEEE80211_TX_RC_40_MHZ_WIDTH; + break; + |