diff options
| author | Rafał Miłecki <zajec5@gmail.com> | 2011-10-17 16:59:25 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-11-07 13:19:12 -0500 |
| commit | 694718d8ad2f0b11d7376f8aa32b1befff6e5966 (patch) | |
| tree | 5153705c9c5933c572e4a78827bcd1a63692ad9d /drivers/net | |
| parent | 54d5026e7c173edae8a27c293c286f1783d21ae8 (diff) | |
| download | op-kernel-dev-694718d8ad2f0b11d7376f8aa32b1befff6e5966.zip op-kernel-dev-694718d8ad2f0b11d7376f8aa32b1befff6e5966.tar.gz | |
b43: fill ctl1 word on all newer PHYs, fix PHY errors
This fixes PHY transmission errors reported on some LP-PHY and HT-PHY
cards. For LP-PHY they were quite rare and not really noticable. On
HT-PHY they were critical, OFDM rates were not available at all.
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/wireless/b43/xmit.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/net/wireless/b43/xmit.c b/drivers/net/wireless/b43/xmit.c index 58ea0e5..b62d4a1 100644 --- a/drivers/net/wireless/b43/xmit.c +++ b/drivers/net/wireless/b43/xmit.c @@ -175,6 +175,7 @@ void b43_generate_plcp_hdr(struct b43_plcp_hdr4 *plcp, } } +/* TODO: verify if needed for SSLPN or LCN */ static u16 b43_generate_tx_phy_ctl1(struct b43_wldev *dev, u8 bitrate) { const struct b43_phy *phy = &dev->phy; @@ -256,6 +257,9 @@ int b43_generate_txhdr(struct b43_wldev *dev, unsigned int plcp_fragment_len; u32 mac_ctl = 0; u16 phy_ctl = 0; + bool fill_phy_ctl1 = (phy->type == B43_PHYTYPE_LP || + phy->type == B43_PHYTYPE_N || + phy->type == B43_PHYTYPE_HT); u8 extra_ft = 0; struct ieee80211_rate *txrate; struct ieee80211_tx_rate *rates; @@ -531,7 +535,7 @@ int b43_generate_txhdr(struct b43_wldev *dev, extra_ft |= B43_TXH_EFT_RTSFB_CCK; if (rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS && - phy->type == B43_PHYTYPE_N) { + fill_phy_ctl1) { txhdr->phy_ctl1_rts = cpu_to_le16( b43_generate_tx_phy_ctl1(dev, rts_rate)); txhdr->phy_ctl1_rts_fb = cpu_to_le16( @@ -552,7 +556,7 @@ int b43_generate_txhdr(struct b43_wldev *dev, break; } - if (phy->type == B43_PHYTYPE_N) { + if (fill_phy_ctl1) { txhdr->phy_ctl1 = cpu_to_le16(b43_generate_tx_phy_ctl1(dev, rate)); txhdr->phy_ctl1_fb = |
