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Re: [ath5k-devel] [PATCH 1/5] ath5k: fix injection in monitor mode

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Bruno Randolf a écrit :
please ignore this one, sorry ;(

bruno
This one is cool & needed for testing IBSS merges. I have pretty much the same in my tree.

Regards,
Benoit
On Monday 01 March 2010 20:59:03 Bruno Randolf wrote:
injected frames have to use AR5K_PKT_TYPE_NORMAL, otherwise the hardware
thinks it can mess with the contents of the frame - e.g. update the TSF of
an injected beacon. injected frames should be sent as they are provided.

Signed-off-by: Bruno Randolf <br1@xxxxxxxxxxx>
---

 drivers/net/wireless/ath/ath5k/base.c |   11 ++++++++++-
 1 files changed, 10 insertions(+), 1 deletions(-)

diff --git a/drivers/net/wireless/ath/ath5k/base.c
b/drivers/net/wireless/ath/ath5k/base.c index 2468c64..904d7f0 100644
--- a/drivers/net/wireless/ath/ath5k/base.c
+++ b/drivers/net/wireless/ath/ath5k/base.c
@@ -1285,6 +1285,7 @@ ath5k_txbuf_setup(struct ath5k_softc *sc, struct
ath5k_buf *bf, u16 cts_rate = 0;
 	u16 duration = 0;
 	u8 rc_flags;
+	enum ath5k_pkt_type pkt_type;

 	flags = AR5K_TXDESC_INTREQ | AR5K_TXDESC_CLRDMASK;

@@ -1322,9 +1323,17 @@ ath5k_txbuf_setup(struct ath5k_softc *sc, struct
ath5k_buf *bf, duration = le16_to_cpu(ieee80211_ctstoself_duration(sc->hw,
 			sc->vif, pktlen, info));
 	}
+
+	/* we don't want the hardware to mess with injected frames in monitor
+	 * mode (e.g. update TSF in beacons) */
+	if (sc->opmode == NL80211_IFTYPE_MONITOR)
+		pkt_type = AR5K_PKT_TYPE_NORMAL;
+	else
+		pkt_type = get_hw_packet_type(skb);
+
 	ret = ah->ah_setup_tx_desc(ah, ds, pktlen,
 		ieee80211_get_hdrlen_from_skb(skb),
-		get_hw_packet_type(skb),
+		pkt_type,
 		(sc->power_level * 2),
 		hw_rate,
 		info->control.rates[0].count, keyidx, ah->ah_tx_ant, flags,

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