From: Ulrich Kunitz Date: Tue, 1 Aug 2006 21:43:30 +0000 (+0200) Subject: [PATCH] zd1211rw: Fixes radiotap header X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=99f65f25c19a7a8a5789c300c2a575cff3453382;p=openwrt%2Fstaging%2Fblogic.git [PATCH] zd1211rw: Fixes radiotap header There has been a problem in the radiotap header. Monitor mode works now with tcpdump 3.94 + libpcap 0.9.4. ethereal 0.99.0 + libpcap 0.9.4 is broken, because it doesn't find the right offset for the IEEE 802.11 header. Signed-off-by: Ulrich Kunitz Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c index 3bdc54d128d0..b3943038ff83 100644 --- a/drivers/net/wireless/zd1211rw/zd_mac.c +++ b/drivers/net/wireless/zd1211rw/zd_mac.c @@ -713,10 +713,10 @@ static int zd_mac_tx(struct zd_mac *mac, struct ieee80211_txb *txb, int pri) struct zd_rt_hdr { struct ieee80211_radiotap_header rt_hdr; u8 rt_flags; + u8 rt_rate; u16 rt_channel; u16 rt_chbitmask; - u16 rt_rate; -}; +} __attribute__((packed)); static void fill_rt_header(void *buffer, struct zd_mac *mac, const struct ieee80211_rx_stats *stats, @@ -735,14 +735,14 @@ static void fill_rt_header(void *buffer, struct zd_mac *mac, if (status->decryption_type & (ZD_RX_WEP64|ZD_RX_WEP128|ZD_RX_WEP256)) hdr->rt_flags |= IEEE80211_RADIOTAP_F_WEP; + hdr->rt_rate = stats->rate / 5; + /* FIXME: 802.11a */ hdr->rt_channel = cpu_to_le16(ieee80211chan2mhz( _zd_chip_get_channel(&mac->chip))); hdr->rt_chbitmask = cpu_to_le16(IEEE80211_CHAN_2GHZ | ((status->frame_status & ZD_RX_FRAME_MODULATION_MASK) == ZD_RX_OFDM ? IEEE80211_CHAN_OFDM : IEEE80211_CHAN_CCK)); - - hdr->rt_rate = stats->rate / 5; } /* Returns 1 if the data packet is for us and 0 otherwise. */