Transmission (TX/RX) related functions.
Copyright (C) 2005 Martin Langer <martin-langer@gmx.de>
- Copyright (C) 2005 Stefano Brivio <st3@riseup.net>
+ Copyright (C) 2005 Stefano Brivio <stefano.brivio@polimi.it>
Copyright (C) 2005, 2006 Michael Buesch <mb@bu3sch.de>
Copyright (C) 2005 Danny van Dyk <kugelfang@gentoo.org>
Copyright (C) 2005 Andreas Jaggi <andreas.jaggi@waterwave.ch>
#include "dma.h"
#include "pio.h"
-/* Extract the bitrate out of a CCK PLCP header. */
-static u8 b43_plcp_get_bitrate_cck(struct b43_plcp_hdr6 *plcp)
+
+/* Extract the bitrate index out of a CCK PLCP header. */
+static int b43_plcp_get_bitrate_idx_cck(struct b43_plcp_hdr6 *plcp)
{
switch (plcp->raw[0]) {
case 0x0A:
- return B43_CCK_RATE_1MB;
+ return 0;
case 0x14:
- return B43_CCK_RATE_2MB;
+ return 1;
case 0x37:
- return B43_CCK_RATE_5MB;
+ return 2;
case 0x6E:
- return B43_CCK_RATE_11MB;
+ return 3;
}
B43_WARN_ON(1);
- return 0;
+ return -1;
}
-/* Extract the bitrate out of an OFDM PLCP header. */
-static u8 b43_plcp_get_bitrate_ofdm(struct b43_plcp_hdr6 *plcp)
+/* Extract the bitrate index out of an OFDM PLCP header. */
+static u8 b43_plcp_get_bitrate_idx_ofdm(struct b43_plcp_hdr6 *plcp, bool aphy)
{
+ int base = aphy ? 0 : 4;
+
switch (plcp->raw[0] & 0xF) {
case 0xB:
- return B43_OFDM_RATE_6MB;
+ return base + 0;
case 0xF:
- return B43_OFDM_RATE_9MB;
+ return base + 1;
case 0xA:
- return B43_OFDM_RATE_12MB;
+ return base + 2;
case 0xE:
- return B43_OFDM_RATE_18MB;
+ return base + 3;
case 0x9:
- return B43_OFDM_RATE_24MB;
+ return base + 4;
case 0xD:
- return B43_OFDM_RATE_36MB;
+ return base + 5;
case 0x8:
- return B43_OFDM_RATE_48MB;
+ return base + 6;
case 0xC:
- return B43_OFDM_RATE_54MB;
+ return base + 7;
}
B43_WARN_ON(1);
- return 0;
+ return -1;
}
u8 b43_plcp_get_ratecode_cck(const u8 bitrate)
__u8 *raw = plcp->raw;
if (b43_is_ofdm_rate(bitrate)) {
- *data = b43_plcp_get_ratecode_ofdm(bitrate);
+ u32 d;
+
+ d = b43_plcp_get_ratecode_ofdm(bitrate);
B43_WARN_ON(octets & 0xF000);
- *data |= (octets << 5);
- *data = cpu_to_le32(*data);
+ d |= (octets << 5);
+ *data = cpu_to_le32(d);
} else {
u32 plen;
return 0;
}
-static void generate_txhdr_fw4(struct b43_wldev *dev,
- struct b43_txhdr_fw4 *txhdr,
- const unsigned char *fragment_data,
- unsigned int fragment_len,
- const struct ieee80211_tx_control *txctl,
- u16 cookie)
+/* Generate a TX data header. */
+int b43_generate_txhdr(struct b43_wldev *dev,
+ u8 *_txhdr,
+ const unsigned char *fragment_data,
+ unsigned int fragment_len,
+ const struct ieee80211_tx_info *info,
+ u16 cookie)
{
+ struct b43_txhdr *txhdr = (struct b43_txhdr *)_txhdr;
const struct b43_phy *phy = &dev->phy;
const struct ieee80211_hdr *wlhdr =
(const struct ieee80211_hdr *)fragment_data;
- int use_encryption = (!(txctl->flags & IEEE80211_TXCTL_DO_NOT_ENCRYPT));
+ int use_encryption = (!(info->flags & IEEE80211_TX_CTL_DO_NOT_ENCRYPT));
u16 fctl = le16_to_cpu(wlhdr->frame_control);
+ struct ieee80211_rate *fbrate;
u8 rate, rate_fb;
int rate_ofdm, rate_fb_ofdm;
unsigned int plcp_fragment_len;
u32 mac_ctl = 0;
u16 phy_ctl = 0;
u8 extra_ft = 0;
+ struct ieee80211_rate *txrate;
memset(txhdr, 0, sizeof(*txhdr));
- rate = txctl->tx_rate;
+ txrate = ieee80211_get_tx_rate(dev->wl->hw, info);
+ rate = txrate ? txrate->hw_value : B43_CCK_RATE_1MB;
rate_ofdm = b43_is_ofdm_rate(rate);
- rate_fb = (txctl->alt_retry_rate == -1) ? rate : txctl->alt_retry_rate;
+ fbrate = ieee80211_get_alt_retry_rate(dev->wl->hw, info) ? : txrate;
+ rate_fb = fbrate->hw_value;
rate_fb_ofdm = b43_is_ofdm_rate(rate_fb);
if (rate_ofdm)
* use the original dur_id field. */
txhdr->dur_fb = wlhdr->duration_id;
} else {
- int fbrate_base100kbps = B43_RATE_TO_BASE100KBPS(rate_fb);
- txhdr->dur_fb = ieee80211_generic_frame_duration(dev->wl->hw,
- dev->wl->if_id,
- fragment_len,
- fbrate_base100kbps);
+ txhdr->dur_fb = ieee80211_generic_frame_duration(
+ dev->wl->hw, info->control.vif, fragment_len, fbrate);
}
plcp_fragment_len = fragment_len + FCS_LEN;
if (use_encryption) {
- u8 key_idx = (u16) (txctl->key_idx);
+ u8 key_idx = info->control.hw_key->hw_key_idx;
struct b43_key *key;
int wlhdr_len;
size_t iv_len;
B43_WARN_ON(key_idx >= dev->max_nr_keys);
key = &(dev->key[key_idx]);
- B43_WARN_ON(!key->keyconf);
+
+ if (unlikely(!key->keyconf)) {
+ /* This key is invalid. This might only happen
+ * in a short timeframe after machine resume before
+ * we were able to reconfigure keys.
+ * Drop this packet completely. Do not transmit it
+ * unencrypted to avoid leaking information. */
+ return -ENOKEY;
+ }
/* Hardware appends ICV. */
- plcp_fragment_len += txctl->icv_len;
+ plcp_fragment_len += info->control.icv_len;
key_idx = b43_kidx_to_fw(dev, key_idx);
- mac_ctl |= (key_idx << B43_TX4_MAC_KEYIDX_SHIFT) &
- B43_TX4_MAC_KEYIDX;
- mac_ctl |= (key->algorithm << B43_TX4_MAC_KEYALG_SHIFT) &
- B43_TX4_MAC_KEYALG;
+ mac_ctl |= (key_idx << B43_TXH_MAC_KEYIDX_SHIFT) &
+ B43_TXH_MAC_KEYIDX;
+ mac_ctl |= (key->algorithm << B43_TXH_MAC_KEYALG_SHIFT) &
+ B43_TXH_MAC_KEYALG;
wlhdr_len = ieee80211_get_hdrlen(fctl);
- iv_len = min((size_t) txctl->iv_len,
+ iv_len = min((size_t) info->control.iv_len,
ARRAY_SIZE(txhdr->iv));
memcpy(txhdr->iv, ((u8 *) wlhdr) + wlhdr_len, iv_len);
}
- b43_generate_plcp_hdr((struct b43_plcp_hdr4 *)(&txhdr->plcp),
- plcp_fragment_len, rate);
+ if (b43_is_old_txhdr_format(dev)) {
+ b43_generate_plcp_hdr((struct b43_plcp_hdr4 *)(&txhdr->old_format.plcp),
+ plcp_fragment_len, rate);
+ } else {
+ b43_generate_plcp_hdr((struct b43_plcp_hdr4 *)(&txhdr->new_format.plcp),
+ plcp_fragment_len, rate);
+ }
b43_generate_plcp_hdr((struct b43_plcp_hdr4 *)(&txhdr->plcp_fb),
plcp_fragment_len, rate_fb);
/* Extra Frame Types */
if (rate_fb_ofdm)
- extra_ft |= B43_TX4_EFT_FBOFDM;
+ extra_ft |= B43_TXH_EFT_FB_OFDM;
+ else
+ extra_ft |= B43_TXH_EFT_FB_CCK;
/* Set channel radio code. Note that the micrcode ORs 0x100 to
* this value before comparing it to the value in SHM, if this
/* PHY TX Control word */
if (rate_ofdm)
- phy_ctl |= B43_TX4_PHY_OFDM;
- if (dev->short_preamble)
- phy_ctl |= B43_TX4_PHY_SHORTPRMBL;
- switch (txctl->antenna_sel_tx) {
- case 0:
- phy_ctl |= B43_TX4_PHY_ANTLAST;
+ phy_ctl |= B43_TXH_PHY_ENC_OFDM;
+ else
+ phy_ctl |= B43_TXH_PHY_ENC_CCK;
+ if (info->flags & IEEE80211_TX_CTL_SHORT_PREAMBLE)
+ phy_ctl |= B43_TXH_PHY_SHORTPRMBL;
+
+ switch (b43_ieee80211_antenna_sanitize(dev, info->antenna_sel_tx)) {
+ case 0: /* Default */
+ phy_ctl |= B43_TXH_PHY_ANT01AUTO;
+ break;
+ case 1: /* Antenna 0 */
+ phy_ctl |= B43_TXH_PHY_ANT0;
break;
- case 1:
- phy_ctl |= B43_TX4_PHY_ANT0;
+ case 2: /* Antenna 1 */
+ phy_ctl |= B43_TXH_PHY_ANT1;
break;
- case 2:
- phy_ctl |= B43_TX4_PHY_ANT1;
+ case 3: /* Antenna 2 */
+ phy_ctl |= B43_TXH_PHY_ANT2;
+ break;
+ case 4: /* Antenna 3 */
+ phy_ctl |= B43_TXH_PHY_ANT3;
break;
default:
B43_WARN_ON(1);
}
/* MAC control */
- if (!(txctl->flags & IEEE80211_TXCTL_NO_ACK))
- mac_ctl |= B43_TX4_MAC_ACK;
+ if (!(info->flags & IEEE80211_TX_CTL_NO_ACK))
+ mac_ctl |= B43_TXH_MAC_ACK;
if (!(((fctl & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_CTL) &&
((fctl & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_PSPOLL)))
- mac_ctl |= B43_TX4_MAC_HWSEQ;
- if (txctl->flags & IEEE80211_TXCTL_FIRST_FRAGMENT)
- mac_ctl |= B43_TX4_MAC_STMSDU;
+ mac_ctl |= B43_TXH_MAC_HWSEQ;
+ if (info->flags & IEEE80211_TX_CTL_FIRST_FRAGMENT)
+ mac_ctl |= B43_TXH_MAC_STMSDU;
if (phy->type == B43_PHYTYPE_A)
- mac_ctl |= B43_TX4_MAC_5GHZ;
+ mac_ctl |= B43_TXH_MAC_5GHZ;
+ if (info->flags & IEEE80211_TX_CTL_LONG_RETRY_LIMIT)
+ mac_ctl |= B43_TXH_MAC_LONGFRAME;
/* Generate the RTS or CTS-to-self frame */
- if ((txctl->flags & IEEE80211_TXCTL_USE_RTS_CTS) ||
- (txctl->flags & IEEE80211_TXCTL_USE_CTS_PROTECT)) {
+ if ((info->flags & IEEE80211_TX_CTL_USE_RTS_CTS) ||
+ (info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT)) {
unsigned int len;
struct ieee80211_hdr *hdr;
int rts_rate, rts_rate_fb;
int rts_rate_ofdm, rts_rate_fb_ofdm;
+ struct b43_plcp_hdr6 *plcp;
+ struct ieee80211_rate *rts_cts_rate;
+
+ rts_cts_rate = ieee80211_get_rts_cts_rate(dev->wl->hw, info);
- rts_rate = txctl->rts_cts_rate;
+ rts_rate = rts_cts_rate ? rts_cts_rate->hw_value : B43_CCK_RATE_1MB;
rts_rate_ofdm = b43_is_ofdm_rate(rts_rate);
rts_rate_fb = b43_calc_fallback_rate(rts_rate);
rts_rate_fb_ofdm = b43_is_ofdm_rate(rts_rate_fb);
- if (txctl->flags & IEEE80211_TXCTL_USE_CTS_PROTECT) {
- ieee80211_ctstoself_get(dev->wl->hw, dev->wl->if_id,
+ if (info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT) {
+ struct ieee80211_cts *cts;
+
+ if (b43_is_old_txhdr_format(dev)) {
+ cts = (struct ieee80211_cts *)
+ (txhdr->old_format.rts_frame);
+ } else {
+ cts = (struct ieee80211_cts *)
+ (txhdr->new_format.rts_frame);
+ }
+ ieee80211_ctstoself_get(dev->wl->hw, info->control.vif,
fragment_data, fragment_len,
- txctl,
- (struct ieee80211_cts *)(txhdr->
- rts_frame));
- mac_ctl |= B43_TX4_MAC_SENDCTS;
+ info, cts);
+ mac_ctl |= B43_TXH_MAC_SENDCTS;
len = sizeof(struct ieee80211_cts);
} else {
- ieee80211_rts_get(dev->wl->hw, dev->wl->if_id,
- fragment_data, fragment_len, txctl,
- (struct ieee80211_rts *)(txhdr->
- rts_frame));
- mac_ctl |= B43_TX4_MAC_SENDRTS;
+ struct ieee80211_rts *rts;
+
+ if (b43_is_old_txhdr_format(dev)) {
+ rts = (struct ieee80211_rts *)
+ (txhdr->old_format.rts_frame);
+ } else {
+ rts = (struct ieee80211_rts *)
+ (txhdr->new_format.rts_frame);
+ }
+ ieee80211_rts_get(dev->wl->hw, info->control.vif,
+ fragment_data, fragment_len,
+ info, rts);
+ mac_ctl |= B43_TXH_MAC_SENDRTS;
len = sizeof(struct ieee80211_rts);
}
len += FCS_LEN;
- b43_generate_plcp_hdr((struct b43_plcp_hdr4 *)(&txhdr->
- rts_plcp), len,
- rts_rate);
- b43_generate_plcp_hdr((struct b43_plcp_hdr4 *)(&txhdr->
- rts_plcp_fb),
+
+ /* Generate the PLCP headers for the RTS/CTS frame */
+ if (b43_is_old_txhdr_format(dev))
+ plcp = &txhdr->old_format.rts_plcp;
+ else
+ plcp = &txhdr->new_format.rts_plcp;
+ b43_generate_plcp_hdr((struct b43_plcp_hdr4 *)plcp,
+ len, rts_rate);
+ plcp = &txhdr->rts_plcp_fb;
+ b43_generate_plcp_hdr((struct b43_plcp_hdr4 *)plcp,
len, rts_rate_fb);
- hdr = (struct ieee80211_hdr *)(&txhdr->rts_frame);
+
+ if (b43_is_old_txhdr_format(dev)) {
+ hdr = (struct ieee80211_hdr *)
+ (&txhdr->old_format.rts_frame);
+ } else {
+ hdr = (struct ieee80211_hdr *)
+ (&txhdr->new_format.rts_frame);
+ }
txhdr->rts_dur_fb = hdr->duration_id;
+
if (rts_rate_ofdm) {
- extra_ft |= B43_TX4_EFT_RTSOFDM;
+ extra_ft |= B43_TXH_EFT_RTS_OFDM;
txhdr->phy_rate_rts =
b43_plcp_get_ratecode_ofdm(rts_rate);
- } else
+ } else {
+ extra_ft |= B43_TXH_EFT_RTS_CCK;
txhdr->phy_rate_rts =
b43_plcp_get_ratecode_cck(rts_rate);
+ }
if (rts_rate_fb_ofdm)
- extra_ft |= B43_TX4_EFT_RTSFBOFDM;
- mac_ctl |= B43_TX4_MAC_LONGFRAME;
+ extra_ft |= B43_TXH_EFT_RTSFB_OFDM;
+ else
+ extra_ft |= B43_TXH_EFT_RTSFB_CCK;
}
/* Magic cookie */
- txhdr->cookie = cpu_to_le16(cookie);
+ if (b43_is_old_txhdr_format(dev))
+ txhdr->old_format.cookie = cpu_to_le16(cookie);
+ else
+ txhdr->new_format.cookie = cpu_to_le16(cookie);
/* Apply the bitfields */
txhdr->mac_ctl = cpu_to_le32(mac_ctl);
txhdr->phy_ctl = cpu_to_le16(phy_ctl);
txhdr->extra_ft = extra_ft;
-}
-void b43_generate_txhdr(struct b43_wldev *dev,
- u8 * txhdr,
- const unsigned char *fragment_data,
- unsigned int fragment_len,
- const struct ieee80211_tx_control *txctl, u16 cookie)
-{
- generate_txhdr_fw4(dev, (struct b43_txhdr_fw4 *)txhdr,
- fragment_data, fragment_len, txctl, cookie);
+ return 0;
}
static s8 b43_rssi_postprocess(struct b43_wldev *dev,
else
tmp -= 3;
} else {
- if (dev->dev->bus->sprom.r1.
+ if (dev->dev->bus->sprom.
boardflags_lo & B43_BFL_RSSI) {
if (in_rssi > 63)
in_rssi = 63;
u16 phystat0, phystat3, chanstat, mactime;
u32 macstat;
u16 chanid;
- u8 jssi;
+ u16 phytype;
int padding;
memset(&status, 0, sizeof(status));
/* Get metadata about the frame from the header. */
phystat0 = le16_to_cpu(rxhdr->phy_status0);
phystat3 = le16_to_cpu(rxhdr->phy_status3);
- jssi = rxhdr->jssi;
macstat = le32_to_cpu(rxhdr->mac_status);
mactime = le16_to_cpu(rxhdr->mac_time);
chanstat = le16_to_cpu(rxhdr->channel);
+ phytype = chanstat & B43_RX_CHAN_PHYTYPE;
if (macstat & B43_RX_MAC_FCSERR)
dev->wl->ieee_stats.dot11FCSErrorCount++;
}
wlhdr = (struct ieee80211_hdr *)(skb->data);
fctl = le16_to_cpu(wlhdr->frame_control);
- skb_trim(skb, skb->len - FCS_LEN);
if (macstat & B43_RX_MAC_DEC) {
unsigned int keyidx;
}
}
- status.ssi = b43_rssi_postprocess(dev, jssi,
- (phystat0 & B43_RX_PHYST0_OFDM),
- (phystat0 & B43_RX_PHYST0_GAINCTL),
- (phystat3 & B43_RX_PHYST3_TRSTATE));
+ /* Link quality statistics */
status.noise = dev->stats.link_noise;
- /* the next line looks wrong, but is what mac80211 wants */
- status.signal = (jssi * 100) / B43_RX_MAX_SSI;
+ if ((chanstat & B43_RX_CHAN_PHYTYPE) == B43_PHYTYPE_N) {
+// s8 rssi = max(rxhdr->power0, rxhdr->power1);
+ //TODO: Find out what the rssi value is (dBm or percentage?)
+ // and also find out what the maximum possible value is.
+ // Fill status.ssi and status.signal fields.
+ } else {
+ status.signal = b43_rssi_postprocess(dev, rxhdr->jssi,
+ (phystat0 & B43_RX_PHYST0_OFDM),
+ (phystat0 & B43_RX_PHYST0_GAINCTL),
+ (phystat3 & B43_RX_PHYST3_TRSTATE));
+ status.qual = (rxhdr->jssi * 100) / B43_RX_MAX_SSI;
+ }
+
if (phystat0 & B43_RX_PHYST0_OFDM)
- status.rate = b43_plcp_get_bitrate_ofdm(plcp);
+ status.rate_idx = b43_plcp_get_bitrate_idx_ofdm(plcp,
+ phytype == B43_PHYTYPE_A);
else
- status.rate = b43_plcp_get_bitrate_cck(plcp);
+ status.rate_idx = b43_plcp_get_bitrate_idx_cck(plcp);
status.antenna = !!(phystat0 & B43_RX_PHYST0_ANT);
- status.mactime = mactime;
+
+ /*
+ * All frames on monitor interfaces and beacons always need a full
+ * 64-bit timestamp. Monitor interfaces need it for diagnostic
+ * purposes and beacons for IBSS merging.
+ * This code assumes we get to process the packet within 16 bits
+ * of timestamp, i.e. about 65 milliseconds after the PHY received
+ * the first symbol.
+ */
+ if (((fctl & (IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE))
+ == (IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON)) ||
+ dev->wl->radiotap_enabled) {
+ u16 low_mactime_now;
+
+ b43_tsf_read(dev, &status.mactime);
+ low_mactime_now = status.mactime;
+ status.mactime = status.mactime & ~0xFFFFULL;
+ status.mactime += mactime;
+ if (low_mactime_now <= mactime)
+ status.mactime -= 0x10000;
+ status.flag |= RX_FLAG_TSFT;
+ }
chanid = (chanstat & B43_RX_CHAN_ID) >> B43_RX_CHAN_ID_SHIFT;
switch (chanstat & B43_RX_CHAN_PHYTYPE) {
case B43_PHYTYPE_A:
- status.phymode = MODE_IEEE80211A;
- status.freq = chanid;
- status.channel = b43_freq_to_channel_a(chanid);
- break;
- case B43_PHYTYPE_B:
- status.phymode = MODE_IEEE80211B;
- status.freq = chanid + 2400;
- status.channel = b43_freq_to_channel_bg(chanid + 2400);
+ status.band = IEEE80211_BAND_5GHZ;
+ B43_WARN_ON(1);
+ /* FIXME: We don't really know which value the "chanid" contains.
+ * So the following assignment might be wrong. */
+ status.freq = b43_channel_to_freq_5ghz(chanid);
break;
case B43_PHYTYPE_G:
- status.phymode = MODE_IEEE80211G;
+ status.band = IEEE80211_BAND_2GHZ;
+ /* chanid is the radio channel cookie value as used
+ * to tune the radio. */
status.freq = chanid + 2400;
- status.channel = b43_freq_to_channel_bg(chanid + 2400);
+ break;
+ case B43_PHYTYPE_N:
+ /* chanid is the SHM channel cookie. Which is the plain
+ * channel number in b43. */
+ if (chanstat & B43_RX_CHAN_5GHZ) {
+ status.band = IEEE80211_BAND_5GHZ;
+ status.freq = b43_freq_to_channel_5ghz(chanid);
+ } else {
+ status.band = IEEE80211_BAND_2GHZ;
+ status.freq = b43_freq_to_channel_2ghz(chanid);
+ }
break;
default:
B43_WARN_ON(1);
+ goto drop;
}
dev->stats.last_rx = jiffies;
dev->wl->ieee_stats.dot11RTSSuccessCount++;
}
- if (b43_using_pio(dev))
+ if (b43_using_pio_transfers(dev))
b43_pio_handle_txstatus(dev, status);
else
b43_dma_handle_txstatus(dev, status);
}
-/* Handle TX status report as received through DMA/PIO queues */
-void b43_handle_hwtxstatus(struct b43_wldev *dev,
- const struct b43_hwtxstatus *hw)
+/* Fill out the mac80211 TXstatus report based on the b43-specific
+ * txstatus report data. This returns a boolean whether the frame was
+ * successfully transmitted. */
+bool b43_fill_txstatus_report(struct ieee80211_tx_info *report,
+ const struct b43_txstatus *status)
{
- struct b43_txstatus status;
- u8 tmp;
-
- status.cookie = le16_to_cpu(hw->cookie);
- status.seq = le16_to_cpu(hw->seq);
- status.phy_stat = hw->phy_stat;
- tmp = hw->count;
- status.frame_count = (tmp >> 4);
- status.rts_count = (tmp & 0x0F);
- tmp = hw->flags;
- status.supp_reason = ((tmp & 0x1C) >> 2);
- status.pm_indicated = !!(tmp & 0x80);
- status.intermediate = !!(tmp & 0x40);
- status.for_ampdu = !!(tmp & 0x20);
- status.acked = !!(tmp & 0x02);
-
- b43_handle_txstatus(dev, &status);
+ bool frame_success = 1;
+
+ if (status->acked) {
+ /* The frame was ACKed. */
+ report->flags |= IEEE80211_TX_STAT_ACK;
+ } else {
+ /* The frame was not ACKed... */
+ if (!(report->flags & IEEE80211_TX_CTL_NO_ACK)) {
+ /* ...but we expected an ACK. */
+ frame_success = 0;
+ report->status.excessive_retries = 1;
+ }
+ }
+ if (status->frame_count == 0) {
+ /* The frame was not transmitted at all. */
+ report->status.retry_count = 0;
+ } else
+ report->status.retry_count = status->frame_count - 1;
+
+ return frame_success;
}
/* Stop any TX operation on the device (suspend the hardware queues) */
void b43_tx_suspend(struct b43_wldev *dev)
{
- if (b43_using_pio(dev))
- b43_pio_freeze_txqueues(dev);
+ if (b43_using_pio_transfers(dev))
+ b43_pio_tx_suspend(dev);
else
b43_dma_tx_suspend(dev);
}
/* Resume any TX operation on the device (resume the hardware queues) */
void b43_tx_resume(struct b43_wldev *dev)
{
- if (b43_using_pio(dev))
- b43_pio_thaw_txqueues(dev);
+ if (b43_using_pio_transfers(dev))
+ b43_pio_tx_resume(dev);
else
b43_dma_tx_resume(dev);
}
-
-#if 0
-static void upload_qos_parms(struct b43_wldev *dev,
- const u16 * parms, u16 offset)
-{
- int i;
-
- for (i = 0; i < B43_NR_QOSPARMS; i++) {
- b43_shm_write16(dev, B43_SHM_SHARED,
- offset + (i * 2), parms[i]);
- }
-}
-#endif
-
-/* Initialize the QoS parameters */
-void b43_qos_init(struct b43_wldev *dev)
-{
- /* FIXME: This function must probably be called from the mac80211
- * config callback. */
- return;
-
- b43_hf_write(dev, b43_hf_read(dev) | B43_HF_EDCF);
- //FIXME kill magic
- b43_write16(dev, 0x688, b43_read16(dev, 0x688) | 0x4);
-
- /*TODO: We might need some stack support here to get the values. */
-}
projects / openwrt.git / blobdiff