* file called LICENSE.
*
* Contact Information:
- * James P. Ketrenos <ipw2100-admin@linux.intel.com>
+ * Intel Linux Wireless <ilw@linux.intel.com>
* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*
*****************************************************************************/
* priv->eeprom is used to determine if antenna AUX/MAIN are reversed
* priv->antenna specifies the antenna diversity mode:
*
- * IWL_ANTENNA_DIVERISTY - NIC selects best antenna by itself
+ * IWL_ANTENNA_DIVERSITY - NIC selects best antenna by itself
* IWL_ANTENNA_MAIN - Force MAIN antenna
* IWL_ANTENNA_AUX - Force AUX antenna
*/
}
#endif
+/*
+ * get ieee prev rate from rate scale table.
+ * for A and B mode we need to overright prev
+ * value
+ */
+int iwl3945_rs_next_rate(struct iwl3945_priv *priv, int rate)
+{
+ int next_rate = iwl3945_get_prev_ieee_rate(rate);
+
+ switch (priv->band) {
+ case IEEE80211_BAND_5GHZ:
+ if (rate == IWL_RATE_12M_INDEX)
+ next_rate = IWL_RATE_9M_INDEX;
+ else if (rate == IWL_RATE_6M_INDEX)
+ next_rate = IWL_RATE_6M_INDEX;
+ break;
+ case IEEE80211_BAND_2GHZ:
+ if (!(priv->sta_supp_rates & IWL_OFDM_RATES_MASK) &&
+ iwl3945_is_associated(priv)) {
+ if (rate == IWL_RATE_11M_INDEX)
+ next_rate = IWL_RATE_5M_INDEX;
+ }
+ break;
+
+ default:
+ break;
+ }
+
+ return next_rate;
+}
+
/**
* iwl3945_tx_queue_reclaim - Reclaim Tx queue entries already Tx'd
struct iwl3945_tx_resp *tx_resp = (void *)&pkt->u.raw[0];
u32 status = le32_to_cpu(tx_resp->status);
int rate_idx;
+ int fail;
if ((index >= txq->q.n_bd) || (iwl3945_x2_queue_used(&txq->q, index) == 0)) {
IWL_ERROR("Read index for DMA queue txq_id (%d) index %d "
}
info = IEEE80211_SKB_CB(txq->txb[txq->q.read_ptr].skb[0]);
- memset(&info->status, 0, sizeof(info->status));
+ ieee80211_tx_info_clear_status(info);
+
+ /* Fill the MRR chain with some info about on-chip retransmissions */
+ rate_idx = iwl3945_hwrate_to_plcp_idx(tx_resp->rate);
+ if (info->band == IEEE80211_BAND_5GHZ)
+ rate_idx -= IWL_FIRST_OFDM_RATE;
+
+ fail = tx_resp->failure_frame;
+
+ info->status.rates[0].idx = rate_idx;
+ info->status.rates[0].count = fail + 1; /* add final attempt */
- info->status.retry_count = tx_resp->failure_frame;
/* tx_status->rts_retry_count = tx_resp->failure_rts; */
info->flags |= ((status & TX_STATUS_MSK) == TX_STATUS_SUCCESS) ?
IEEE80211_TX_STAT_ACK : 0;
txq_id, iwl3945_get_tx_fail_reason(status), status,
tx_resp->rate, tx_resp->failure_frame);
- rate_idx = iwl3945_hwrate_to_plcp_idx(tx_resp->rate);
- if (info->band == IEEE80211_BAND_5GHZ)
- rate_idx -= IWL_FIRST_OFDM_RATE;
- info->tx_rate_idx = rate_idx;
IWL_DEBUG_TX_REPLY("Tx queue reclaim %d\n", index);
iwl3945_tx_queue_reclaim(priv, txq_id, index);
/* Filter incoming packets to determine if they are targeted toward
* this network, discarding packets coming from ourselves */
switch (priv->iw_mode) {
- case IEEE80211_IF_TYPE_IBSS: /* Header: Dest. | Source | BSSID */
+ case NL80211_IFTYPE_ADHOC: /* Header: Dest. | Source | BSSID */
/* packets to our IBSS update information */
return !compare_ether_addr(header->addr3, priv->bssid);
- case IEEE80211_IF_TYPE_STA: /* Header: Dest. | AP{BSSID} | Source */
+ case NL80211_IFTYPE_STATION: /* Header: Dest. | AP{BSSID} | Source */
/* packets to our IBSS update information */
return !compare_ether_addr(header->addr2, priv->bssid);
default:
}
}
-static void iwl3945_add_radiotap(struct iwl3945_priv *priv,
- struct sk_buff *skb,
- struct iwl3945_rx_frame_hdr *rx_hdr,
- struct ieee80211_rx_status *stats)
-{
- /* First cache any information we need before we overwrite
- * the information provided in the skb from the hardware */
- s8 signal = stats->signal;
- s8 noise = 0;
- int rate = stats->rate_idx;
- u64 tsf = stats->mactime;
- __le16 phy_flags_hw = rx_hdr->phy_flags, antenna;
-
- struct iwl3945_rt_rx_hdr {
- struct ieee80211_radiotap_header rt_hdr;
- __le64 rt_tsf; /* TSF */
- u8 rt_flags; /* radiotap packet flags */
- u8 rt_rate; /* rate in 500kb/s */
- __le16 rt_channelMHz; /* channel in MHz */
- __le16 rt_chbitmask; /* channel bitfield */
- s8 rt_dbmsignal; /* signal in dBm, kluged to signed */
- s8 rt_dbmnoise;
- u8 rt_antenna; /* antenna number */
- } __attribute__ ((packed)) *iwl3945_rt;
-
- if (skb_headroom(skb) < sizeof(*iwl3945_rt)) {
- if (net_ratelimit())
- printk(KERN_ERR "not enough headroom [%d] for "
- "radiotap head [%zd]\n",
- skb_headroom(skb), sizeof(*iwl3945_rt));
- return;
- }
-
- /* put radiotap header in front of 802.11 header and data */
- iwl3945_rt = (void *)skb_push(skb, sizeof(*iwl3945_rt));
-
- /* initialise radiotap header */
- iwl3945_rt->rt_hdr.it_version = PKTHDR_RADIOTAP_VERSION;
- iwl3945_rt->rt_hdr.it_pad = 0;
-
- /* total header + data */
- put_unaligned_le16(sizeof(*iwl3945_rt), &iwl3945_rt->rt_hdr.it_len);
-
- /* Indicate all the fields we add to the radiotap header */
- put_unaligned_le32((1 << IEEE80211_RADIOTAP_TSFT) |
- (1 << IEEE80211_RADIOTAP_FLAGS) |
- (1 << IEEE80211_RADIOTAP_RATE) |
- (1 << IEEE80211_RADIOTAP_CHANNEL) |
- (1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) |
- (1 << IEEE80211_RADIOTAP_DBM_ANTNOISE) |
- (1 << IEEE80211_RADIOTAP_ANTENNA),
- &iwl3945_rt->rt_hdr.it_present);
-
- /* Zero the flags, we'll add to them as we go */
- iwl3945_rt->rt_flags = 0;
-
- put_unaligned_le64(tsf, &iwl3945_rt->rt_tsf);
-
- iwl3945_rt->rt_dbmsignal = signal;
- iwl3945_rt->rt_dbmnoise = noise;
-
- /* Convert the channel frequency and set the flags */
- put_unaligned_le16(stats->freq, &iwl3945_rt->rt_channelMHz);
- if (!(phy_flags_hw & RX_RES_PHY_FLAGS_BAND_24_MSK))
- put_unaligned_le16(IEEE80211_CHAN_OFDM | IEEE80211_CHAN_5GHZ,
- &iwl3945_rt->rt_chbitmask);
- else if (phy_flags_hw & RX_RES_PHY_FLAGS_MOD_CCK_MSK)
- put_unaligned_le16(IEEE80211_CHAN_CCK | IEEE80211_CHAN_2GHZ,
- &iwl3945_rt->rt_chbitmask);
- else /* 802.11g */
- put_unaligned_le16(IEEE80211_CHAN_OFDM | IEEE80211_CHAN_2GHZ,
- &iwl3945_rt->rt_chbitmask);
-
- if (rate == -1)
- iwl3945_rt->rt_rate = 0;
- else {
- if (stats->band == IEEE80211_BAND_5GHZ)
- rate += IWL_FIRST_OFDM_RATE;
-
- iwl3945_rt->rt_rate = iwl3945_rates[rate].ieee;
- }
-
- /* antenna number */
- antenna = phy_flags_hw & RX_RES_PHY_FLAGS_ANTENNA_MSK;
- iwl3945_rt->rt_antenna = le16_to_cpu(antenna) >> 4;
-
- /* set the preamble flag if we have it */
- if (phy_flags_hw & RX_RES_PHY_FLAGS_SHORT_PREAMBLE_MSK)
- iwl3945_rt->rt_flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
-
- stats->flag |= RX_FLAG_RADIOTAP;
-}
-
static void iwl3945_pass_packet_to_mac80211(struct iwl3945_priv *priv,
struct iwl3945_rx_mem_buffer *rxb,
struct ieee80211_rx_status *stats)
iwl3945_set_decrypted_flag(priv, rxb->skb,
le32_to_cpu(rx_end->status), stats);
- if (priv->add_radiotap)
- iwl3945_add_radiotap(priv, rxb->skb, rx_hdr, stats);
-
#ifdef CONFIG_IWL3945_LEDS
if (ieee80211_is_data(hdr->frame_control))
priv->rxtxpackets += len;
u16 rx_stats_noise_diff = le16_to_cpu(rx_stats->noise_diff);
u8 network_packet;
- rx_status.antenna = 0;
rx_status.flag = 0;
rx_status.mactime = le64_to_cpu(rx_end->timestamp);
rx_status.freq =
if (rx_status.band == IEEE80211_BAND_5GHZ)
rx_status.rate_idx -= IWL_FIRST_OFDM_RATE;
+ rx_status.antenna = le16_to_cpu(rx_hdr->phy_flags &
+ RX_RES_PHY_FLAGS_ANTENNA_MSK) >> 4;
+
+ /* set the preamble flag if appropriate */
+ if (rx_hdr->phy_flags & RX_RES_PHY_FLAGS_SHORT_PREAMBLE_MSK)
+ rx_status.flag |= RX_FLAG_SHORTPRE;
+
if ((unlikely(rx_stats->phy_count > 20))) {
IWL_DEBUG_DROP
("dsp size out of range [0,20]: "
priv->last_rx_noise = rx_status.noise;
}
- if (priv->iw_mode == IEEE80211_IF_TYPE_MNTR) {
- iwl3945_pass_packet_to_mac80211(priv, rxb, &rx_status);
- return;
- }
-
- switch (le16_to_cpu(header->frame_control) & IEEE80211_FCTL_FTYPE) {
- case IEEE80211_FTYPE_MGMT:
- switch (le16_to_cpu(header->frame_control) &
- IEEE80211_FCTL_STYPE) {
- case IEEE80211_STYPE_PROBE_RESP:
- case IEEE80211_STYPE_BEACON:{
- /* If this is a beacon or probe response for
- * our network then cache the beacon
- * timestamp */
- if ((((priv->iw_mode == IEEE80211_IF_TYPE_STA)
- && !compare_ether_addr(header->addr2,
- priv->bssid)) ||
- ((priv->iw_mode == IEEE80211_IF_TYPE_IBSS)
- && !compare_ether_addr(header->addr3,
- priv->bssid)))) {
- struct ieee80211_mgmt *mgmt =
- (struct ieee80211_mgmt *)header;
- __le32 *pos;
- pos = (__le32 *)&mgmt->u.beacon.
- timestamp;
- priv->timestamp0 = le32_to_cpu(pos[0]);
- priv->timestamp1 = le32_to_cpu(pos[1]);
- priv->beacon_int = le16_to_cpu(
- mgmt->u.beacon.beacon_int);
- if (priv->call_post_assoc_from_beacon &&
- (priv->iw_mode ==
- IEEE80211_IF_TYPE_STA))
- queue_work(priv->workqueue,
- &priv->post_associate.work);
-
- priv->call_post_assoc_from_beacon = 0;
- }
-
- break;
- }
-
- case IEEE80211_STYPE_ACTION:
- /* TODO: Parse 802.11h frames for CSA... */
- break;
-
- /*
- * TODO: Use the new callback function from
- * mac80211 instead of sniffing these packets.
- */
- case IEEE80211_STYPE_ASSOC_RESP:
- case IEEE80211_STYPE_REASSOC_RESP:{
- struct ieee80211_mgmt *mgnt =
- (struct ieee80211_mgmt *)header;
-
- /* We have just associated, give some
- * time for the 4-way handshake if
- * any. Don't start scan too early. */
- priv->next_scan_jiffies = jiffies +
- IWL_DELAY_NEXT_SCAN_AFTER_ASSOC;
-
- priv->assoc_id = (~((1 << 15) | (1 << 14)) &
- le16_to_cpu(mgnt->u.
- assoc_resp.aid));
- priv->assoc_capability =
- le16_to_cpu(mgnt->u.assoc_resp.capab_info);
- if (priv->beacon_int)
- queue_work(priv->workqueue,
- &priv->post_associate.work);
- else
- priv->call_post_assoc_from_beacon = 1;
- break;
- }
-
- case IEEE80211_STYPE_PROBE_REQ:{
- DECLARE_MAC_BUF(mac1);
- DECLARE_MAC_BUF(mac2);
- DECLARE_MAC_BUF(mac3);
- if (priv->iw_mode == IEEE80211_IF_TYPE_IBSS)
- IWL_DEBUG_DROP
- ("Dropping (non network): %s"
- ", %s, %s\n",
- print_mac(mac1, header->addr1),
- print_mac(mac2, header->addr2),
- print_mac(mac3, header->addr3));
- return;
- }
- }
-
- case IEEE80211_FTYPE_DATA:
- /* fall through */
- default:
- iwl3945_pass_packet_to_mac80211(priv, rxb, &rx_status);
- break;
- }
+ iwl3945_pass_packet_to_mac80211(priv, rxb, &rx_status);
}
int iwl3945_hw_txq_attach_buf_to_tfd(struct iwl3945_priv *priv, void *ptr,
u8 iwl3945_hw_find_station(struct iwl3945_priv *priv, const u8 *addr)
{
- int i;
+ int i, start = IWL_AP_ID;
int ret = IWL_INVALID_STATION;
unsigned long flags;
- DECLARE_MAC_BUF(mac);
+
+ if ((priv->iw_mode == NL80211_IFTYPE_ADHOC) ||
+ (priv->iw_mode == NL80211_IFTYPE_AP))
+ start = IWL_STA_ID;
+
+ if (is_broadcast_ether_addr(addr))
+ return priv->hw_setting.bcast_sta_id;
spin_lock_irqsave(&priv->sta_lock, flags);
- for (i = IWL_STA_ID; i < priv->hw_setting.max_stations; i++)
+ for (i = start; i < priv->hw_setting.max_stations; i++)
if ((priv->stations[i].used) &&
(!compare_ether_addr
(priv->stations[i].sta.sta.addr, addr))) {
goto out;
}
- IWL_DEBUG_INFO("can not find STA %s (total %d)\n",
- print_mac(mac, addr), priv->num_stations);
+ IWL_DEBUG_INFO("can not find STA %pM (total %d)\n",
+ addr, priv->num_stations);
out:
spin_unlock_irqrestore(&priv->sta_lock, flags);
return ret;
priv->stations[sta_id].current_rate.rate_n_flags = rate;
- if ((priv->iw_mode == IEEE80211_IF_TYPE_IBSS) &&
+ if ((priv->iw_mode == NL80211_IFTYPE_ADHOC) &&
(sta_id != priv->hw_setting.bcast_sta_id) &&
(sta_id != IWL_MULTICAST_ID))
priv->stations[IWL_STA_ID].current_rate.rate_n_flags = rate;
CSR_GIO_CHICKEN_BITS_REG_BIT_L1A_NO_L0S_RX);
iwl3945_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
- rc = iwl3945_poll_bit(priv, CSR_GP_CNTRL,
- CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
- CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000);
+ rc = iwl3945_poll_direct_bit(priv, CSR_GP_CNTRL,
+ CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000);
if (rc < 0) {
spin_unlock_irqrestore(&priv->lock, flags);
IWL_DEBUG_INFO("Failed to init the card\n");
IWL_DEBUG_INFO("Card in power save, master is already "
"stopped\n");
else {
- rc = iwl3945_poll_bit(priv, CSR_RESET,
- CSR_RESET_REG_FLAG_MASTER_DISABLED,
+ rc = iwl3945_poll_direct_bit(priv, CSR_RESET,
CSR_RESET_REG_FLAG_MASTER_DISABLED, 100);
if (rc < 0) {
spin_unlock_irqrestore(&priv->lock, flags);
iwl3945_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET);
- rc = iwl3945_poll_bit(priv, CSR_GP_CNTRL,
- CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
- CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000);
+ iwl3945_poll_direct_bit(priv, CSR_GP_CNTRL,
+ CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000);
rc = iwl3945_grab_nic_access(priv);
if (!rc) {
ref_temp = (s16)priv->eeprom.groups[ch_info->group_index].
temperature;
- /* get power index adjustment based on curr and factory
+ /* get power index adjustment based on current and factory
* temps */
delta_index = iwl3945_hw_reg_adjust_power_by_temp(temperature,
ref_temp);
/* set tx power value for all OFDM rates */
for (rate_index = 0; rate_index < IWL_OFDM_RATES;
rate_index++) {
- s32 power_idx;
+ s32 uninitialized_var(power_idx);
int rc;
/* use channel group's clip-power table,
}
iwl3945_write_direct32(priv, FH_RCSR_CONFIG(0), 0);
- rc = iwl3945_poll_direct_bit(priv, FH_RSSR_STATUS, (1 << 24), 1000);
+ rc = iwl3945_poll_direct_bit(priv, FH_RSSR_STATUS,
+ FH_RSSR_CHNL0_RX_STATUS_CHNL_IDLE, 1000);
if (rc < 0)
IWL_ERROR("Can't stop Rx DMA.\n");
iwl3945_hw_set_rate_n_flags(iwl3945_rates[i].plcp, 0);
table[index].try_cnt = priv->retry_rate;
prev_index = iwl3945_get_prev_ieee_rate(i);
- table[index].next_rate_index = iwl3945_rates[prev_index].table_rs_index;
+ table[index].next_rate_index =
+ iwl3945_rates[prev_index].table_rs_index;
}
switch (priv->band) {
IWL_DEBUG_RATE("Select A mode rate scale\n");
/* If one of the following CCK rates is used,
* have it fall back to the 6M OFDM rate */
- for (i = IWL_RATE_1M_INDEX_TABLE; i <= IWL_RATE_11M_INDEX_TABLE; i++)
- table[i].next_rate_index = iwl3945_rates[IWL_FIRST_OFDM_RATE].table_rs_index;
+ for (i = IWL_RATE_1M_INDEX_TABLE;
+ i <= IWL_RATE_11M_INDEX_TABLE; i++)
+ table[i].next_rate_index =
+ iwl3945_rates[IWL_FIRST_OFDM_RATE].table_rs_index;
/* Don't fall back to CCK rates */
- table[IWL_RATE_12M_INDEX_TABLE].next_rate_index = IWL_RATE_9M_INDEX_TABLE;
+ table[IWL_RATE_12M_INDEX_TABLE].next_rate_index =
+ IWL_RATE_9M_INDEX_TABLE;
/* Don't drop out of OFDM rates */
table[IWL_RATE_6M_INDEX_TABLE].next_rate_index =
IWL_DEBUG_RATE("Select B/G mode rate scale\n");
/* If an OFDM rate is used, have it fall back to the
* 1M CCK rates */
- for (i = IWL_RATE_6M_INDEX_TABLE; i <= IWL_RATE_54M_INDEX_TABLE; i++)
- table[i].next_rate_index = iwl3945_rates[IWL_FIRST_CCK_RATE].table_rs_index;
- /* CCK shouldn't fall back to OFDM... */
- table[IWL_RATE_11M_INDEX_TABLE].next_rate_index = IWL_RATE_5M_INDEX_TABLE;
+ if (!(priv->sta_supp_rates & IWL_OFDM_RATES_MASK) &&
+ iwl3945_is_associated(priv)) {
+
+ index = IWL_FIRST_CCK_RATE;
+ for (i = IWL_RATE_6M_INDEX_TABLE;
+ i <= IWL_RATE_54M_INDEX_TABLE; i++)
+ table[i].next_rate_index =
+ iwl3945_rates[index].table_rs_index;
+
+ index = IWL_RATE_11M_INDEX_TABLE;
+ /* CCK shouldn't fall back to OFDM... */
+ table[index].next_rate_index = IWL_RATE_5M_INDEX_TABLE;
+ }
break;
default:
frame_size = iwl3945_fill_beacon_frame(priv,
tx_beacon_cmd->frame,
- iwl3945_broadcast_addr,
sizeof(frame->u) - sizeof(*tx_beacon_cmd));
BUG_ON(frame_size > MAX_MPDU_SIZE);
static struct iwl_3945_cfg iwl3945_bg_cfg = {
.name = "3945BG",
- .fw_name = "iwlwifi-3945" IWL3945_UCODE_API ".ucode",
+ .fw_name_pre = IWL3945_FW_PRE,
+ .ucode_api_max = IWL3945_UCODE_API_MAX,
+ .ucode_api_min = IWL3945_UCODE_API_MIN,
.sku = IWL_SKU_G,
};
static struct iwl_3945_cfg iwl3945_abg_cfg = {
.name = "3945ABG",
- .fw_name = "iwlwifi-3945" IWL3945_UCODE_API ".ucode",
+ .fw_name_pre = IWL3945_FW_PRE,
+ .ucode_api_max = IWL3945_UCODE_API_MAX,
+ .ucode_api_min = IWL3945_UCODE_API_MIN,
.sku = IWL_SKU_A|IWL_SKU_G,
};