diff options
| author | Helmut Schaa <helmut.schaa@googlemail.com> | 2010-10-02 11:29:59 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-10-05 13:35:27 -0400 |
| commit | cb753b7253548b950e84843a00b4db8d0c54f578 (patch) | |
| tree | fcd8cf0add4fcb78d01cb4104975e53044b711bd /drivers/net/wireless/rt2x00/rt2x00ht.c | |
| parent | 95192339c2de1e1a61baf289af3e3332403371c9 (diff) | |
| download | kernel_samsung_smdk4412-cb753b7253548b950e84843a00b4db8d0c54f578.zip kernel_samsung_smdk4412-cb753b7253548b950e84843a00b4db8d0c54f578.tar.gz kernel_samsung_smdk4412-cb753b7253548b950e84843a00b4db8d0c54f578.tar.bz2 | |
rt2x00: Allow tx duplication for legacy rates in HT40 mode
Make use of the IEEE80211_TX_RC_DUP_DATA flag to duplicate a
transmission with legacy rates to both 20Mhz channels if set.
Also update the related comment in rt2800.h to describe the
behavior of the BW_40 flag for legacy rates.
Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00ht.c')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00ht.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00ht.c b/drivers/net/wireless/rt2x00/rt2x00ht.c index 48b6ed4..2023419 100644 --- a/drivers/net/wireless/rt2x00/rt2x00ht.c +++ b/drivers/net/wireless/rt2x00/rt2x00ht.c @@ -85,7 +85,13 @@ void rt2x00ht_create_tx_descriptor(struct queue_entry *entry, txdesc->rate_mode = RATE_MODE_HT_MIX; if (txrate->flags & IEEE80211_TX_RC_GREEN_FIELD) txdesc->rate_mode = RATE_MODE_HT_GREENFIELD; - if (txrate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) + + /* + * Set 40Mhz mode if necessary (for legacy rates this will + * duplicate the frame to both channels). + */ + if (txrate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH || + txrate->flags & IEEE80211_TX_RC_DUP_DATA) __set_bit(ENTRY_TXD_HT_BW_40, &txdesc->flags); if (txrate->flags & IEEE80211_TX_RC_SHORT_GI) __set_bit(ENTRY_TXD_HT_SHORT_GI, &txdesc->flags); |