aboutsummaryrefslogtreecommitdiff
path: root/drivers/net/wireless/b43legacy/xmit.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/wireless/b43legacy/xmit.c')
-rw-r--r--drivers/net/wireless/b43legacy/xmit.c75
1 files changed, 34 insertions, 41 deletions
diff --git a/drivers/net/wireless/b43legacy/xmit.c b/drivers/net/wireless/b43legacy/xmit.c
index 68e1f8c7872..34bf3f0b729 100644
--- a/drivers/net/wireless/b43legacy/xmit.c
+++ b/drivers/net/wireless/b43legacy/xmit.c
@@ -6,7 +6,7 @@
Copyright (C) 2005 Martin Langer <martin-langer@gmx.de>
Copyright (C) 2005 Stefano Brivio <stefano.brivio@polimi.it>
- Copyright (C) 2005, 2006 Michael Buesch <mb@bu3sch.de>
+ Copyright (C) 2005, 2006 Michael Buesch <m@bues.ch>
Copyright (C) 2005 Danny van Dyk <kugelfang@gentoo.org>
Copyright (C) 2005 Andreas Jaggi <andreas.jaggi@waterwave.ch>
Copyright (C) 2007 Larry Finger <Larry.Finger@lwfinger.net>
@@ -188,12 +188,11 @@ static int generate_txhdr_fw3(struct b43legacy_wldev *dev,
struct b43legacy_txhdr_fw3 *txhdr,
const unsigned char *fragment_data,
unsigned int fragment_len,
- const struct ieee80211_tx_info *info,
+ struct ieee80211_tx_info *info,
u16 cookie)
{
const struct ieee80211_hdr *wlhdr;
int use_encryption = !!info->control.hw_key;
- u16 fctl;
u8 rate;
struct ieee80211_rate *rate_fb;
int rate_ofdm;
@@ -202,9 +201,9 @@ static int generate_txhdr_fw3(struct b43legacy_wldev *dev,
u32 mac_ctl = 0;
u16 phy_ctl = 0;
struct ieee80211_rate *tx_rate;
+ struct ieee80211_tx_rate *rates;
wlhdr = (const struct ieee80211_hdr *)fragment_data;
- fctl = le16_to_cpu(wlhdr->frame_control);
memset(txhdr, 0, sizeof(*txhdr));
@@ -212,11 +211,11 @@ static int generate_txhdr_fw3(struct b43legacy_wldev *dev,
rate = tx_rate->hw_value;
rate_ofdm = b43legacy_is_ofdm_rate(rate);
- rate_fb = ieee80211_get_alt_retry_rate(dev->wl->hw, info) ? : tx_rate;
+ rate_fb = ieee80211_get_alt_retry_rate(dev->wl->hw, info, 0) ? : tx_rate;
rate_fb_ofdm = b43legacy_is_ofdm_rate(rate_fb->hw_value);
txhdr->mac_frame_ctl = wlhdr->frame_control;
- memcpy(txhdr->tx_receiver, wlhdr->addr1, 6);
+ memcpy(txhdr->tx_receiver, wlhdr->addr1, ETH_ALEN);
/* Calculate duration for fallback rate */
if ((rate_fb->hw_value == rate) ||
@@ -229,6 +228,7 @@ static int generate_txhdr_fw3(struct b43legacy_wldev *dev,
} else {
txhdr->dur_fb = ieee80211_generic_frame_duration(dev->wl->hw,
info->control.vif,
+ info->band,
fragment_len,
rate_fb);
}
@@ -245,7 +245,7 @@ static int generate_txhdr_fw3(struct b43legacy_wldev *dev,
if (key->enabled) {
/* Hardware appends ICV. */
- plcp_fragment_len += info->control.icv_len;
+ plcp_fragment_len += info->control.hw_key->icv_len;
key_idx = b43legacy_kidx_to_fw(dev, key_idx);
mac_ctl |= (key_idx << B43legacy_TX4_MAC_KEYIDX_SHIFT) &
@@ -253,8 +253,8 @@ static int generate_txhdr_fw3(struct b43legacy_wldev *dev,
mac_ctl |= (key->algorithm <<
B43legacy_TX4_MAC_KEYALG_SHIFT) &
B43legacy_TX4_MAC_KEYALG;
- wlhdr_len = ieee80211_get_hdrlen(fctl);
- iv_len = min((size_t)info->control.iv_len,
+ wlhdr_len = ieee80211_hdrlen(wlhdr->frame_control);
+ iv_len = min_t(size_t, info->control.hw_key->iv_len,
ARRAY_SIZE(txhdr->iv));
memcpy(txhdr->iv, ((u8 *)wlhdr) + wlhdr_len, iv_len);
} else {
@@ -269,30 +269,18 @@ static int generate_txhdr_fw3(struct b43legacy_wldev *dev,
b43legacy_generate_plcp_hdr((struct b43legacy_plcp_hdr4 *)
(&txhdr->plcp), plcp_fragment_len,
rate);
- b43legacy_generate_plcp_hdr((struct b43legacy_plcp_hdr4 *)
- (&txhdr->plcp_fb), plcp_fragment_len,
+ b43legacy_generate_plcp_hdr(&txhdr->plcp_fb, plcp_fragment_len,
rate_fb->hw_value);
/* PHY TX Control word */
if (rate_ofdm)
- phy_ctl |= B43legacy_TX4_PHY_OFDM;
- if (dev->short_preamble)
+ phy_ctl |= B43legacy_TX4_PHY_ENC_OFDM;
+ if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE)
phy_ctl |= B43legacy_TX4_PHY_SHORTPRMBL;
- switch (info->antenna_sel_tx) {
- case 0:
- phy_ctl |= B43legacy_TX4_PHY_ANTLAST;
- break;
- case 1:
- phy_ctl |= B43legacy_TX4_PHY_ANT0;
- break;
- case 2:
- phy_ctl |= B43legacy_TX4_PHY_ANT1;
- break;
- default:
- B43legacy_BUG_ON(1);
- }
+ phy_ctl |= B43legacy_TX4_PHY_ANTLAST;
/* MAC control */
+ rates = info->control.rates;
if (!(info->flags & IEEE80211_TX_CTL_NO_ACK))
mac_ctl |= B43legacy_TX4_MAC_ACK;
if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ)
@@ -301,27 +289,35 @@ static int generate_txhdr_fw3(struct b43legacy_wldev *dev,
mac_ctl |= B43legacy_TX4_MAC_STMSDU;
if (rate_fb_ofdm)
mac_ctl |= B43legacy_TX4_MAC_FALLBACKOFDM;
- if (info->flags & IEEE80211_TX_CTL_LONG_RETRY_LIMIT)
+
+ /* Overwrite rates[0].count to make the retry calculation
+ * in the tx status easier. need the actual retry limit to
+ * detect whether the fallback rate was used.
+ */
+ if ((rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) ||
+ (rates[0].count <= dev->wl->hw->conf.long_frame_max_tx_count)) {
+ rates[0].count = dev->wl->hw->conf.long_frame_max_tx_count;
mac_ctl |= B43legacy_TX4_MAC_LONGFRAME;
+ } else {
+ rates[0].count = dev->wl->hw->conf.short_frame_max_tx_count;
+ }
/* Generate the RTS or CTS-to-self frame */
- if ((info->flags & IEEE80211_TX_CTL_USE_RTS_CTS) ||
- (info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT)) {
+ if ((rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) ||
+ (rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT)) {
unsigned int len;
struct ieee80211_hdr *hdr;
int rts_rate;
int rts_rate_fb;
- int rts_rate_ofdm;
int rts_rate_fb_ofdm;
rts_rate = ieee80211_get_rts_cts_rate(dev->wl->hw, info)->hw_value;
- rts_rate_ofdm = b43legacy_is_ofdm_rate(rts_rate);
rts_rate_fb = b43legacy_calc_fallback_rate(rts_rate);
rts_rate_fb_ofdm = b43legacy_is_ofdm_rate(rts_rate_fb);
if (rts_rate_fb_ofdm)
mac_ctl |= B43legacy_TX4_MAC_CTSFALLBACKOFDM;
- if (info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT) {
+ if (rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT) {
ieee80211_ctstoself_get(dev->wl->hw,
info->control.vif,
fragment_data,
@@ -343,8 +339,7 @@ static int generate_txhdr_fw3(struct b43legacy_wldev *dev,
b43legacy_generate_plcp_hdr((struct b43legacy_plcp_hdr4 *)
(&txhdr->rts_plcp),
len, rts_rate);
- b43legacy_generate_plcp_hdr((struct b43legacy_plcp_hdr4 *)
- (&txhdr->rts_plcp_fb),
+ b43legacy_generate_plcp_hdr(&txhdr->rts_plcp_fb,
len, rts_rate_fb);
hdr = (struct ieee80211_hdr *)(&txhdr->rts_frame);
txhdr->rts_dur_fb = hdr->duration_id;
@@ -364,7 +359,7 @@ int b43legacy_generate_txhdr(struct b43legacy_wldev *dev,
u8 *txhdr,
const unsigned char *fragment_data,
unsigned int fragment_len,
- const struct ieee80211_tx_info *info,
+ struct ieee80211_tx_info *info,
u16 cookie)
{
return generate_txhdr_fw3(dev, (struct b43legacy_txhdr_fw3 *)txhdr,
@@ -538,8 +533,6 @@ void b43legacy_rx(struct b43legacy_wldev *dev,
(phystat0 & B43legacy_RX_PHYST0_OFDM),
(phystat0 & B43legacy_RX_PHYST0_GAINCTL),
(phystat3 & B43legacy_RX_PHYST3_TRSTATE));
- status.noise = dev->stats.link_noise;
- status.qual = (jssi * 100) / B43legacy_RX_MAX_SSI;
/* change to support A PHY */
if (phystat0 & B43legacy_RX_PHYST0_OFDM)
status.rate_idx = b43legacy_plcp_get_bitrate_idx_ofdm(plcp, false);
@@ -564,7 +557,7 @@ void b43legacy_rx(struct b43legacy_wldev *dev,
status.mactime += mactime;
if (low_mactime_now <= mactime)
status.mactime -= 0x10000;
- status.flag |= RX_FLAG_TSFT;
+ status.flag |= RX_FLAG_MACTIME_START;
}
chanid = (chanstat & B43legacy_RX_CHAN_ID) >>
@@ -580,8 +573,8 @@ void b43legacy_rx(struct b43legacy_wldev *dev,
chanstat);
}
- dev->stats.last_rx = jiffies;
- ieee80211_rx_irqsafe(dev->wl->hw, skb, &status);
+ memcpy(IEEE80211_SKB_RXCB(skb), &status, sizeof(status));
+ ieee80211_rx_irqsafe(dev->wl->hw, skb);
return;
drop:
@@ -626,7 +619,7 @@ void b43legacy_handle_hwtxstatus(struct b43legacy_wldev *dev,
tmp = hw->count;
status.frame_count = (tmp >> 4);
status.rts_count = (tmp & 0x0F);
- tmp = hw->flags;
+ tmp = hw->flags << 1;
status.supp_reason = ((tmp & 0x1C) >> 2);
status.pm_indicated = !!(tmp & 0x80);
status.intermediate = !!(tmp & 0x40);