/******************************************************************************
*
- * Copyright(c) 2003 - 2009 Intel Corporation. All rights reserved.
+ * Copyright(c) 2003 - 2010 Intel Corporation. All rights reserved.
*
* Portions of this file are derived from the ipw3945 project, as well
* as portions of the ieee80211 subsystem header files.
goto out;
}
- IWL_DEBUG_ASSOC_LIMIT("can not find STA %pM total %d\n",
+ IWL_DEBUG_ASSOC_LIMIT(priv, "can not find STA %pM total %d\n",
addr, priv->num_stations);
out:
}
EXPORT_SYMBOL(iwl_get_ra_sta_id);
+/* priv->sta_lock must be held */
static void iwl_sta_ucode_activate(struct iwl_priv *priv, u8 sta_id)
{
- unsigned long flags;
-
- spin_lock_irqsave(&priv->sta_lock, flags);
- if (!(priv->stations[sta_id].used & IWL_STA_DRIVER_ACTIVE) &&
- !(priv->stations_39[sta_id].used & IWL_STA_DRIVER_ACTIVE))
- IWL_ERR(priv, "ACTIVATE a non DRIVER active station %d\n",
- sta_id);
-
- priv->stations[sta_id].used |= IWL_STA_UCODE_ACTIVE;
- IWL_DEBUG_ASSOC("Added STA to Ucode: %pM\n",
- priv->stations[sta_id].sta.sta.addr);
+ if (!(priv->stations[sta_id].used & IWL_STA_DRIVER_ACTIVE))
+ IWL_ERR(priv, "ACTIVATE a non DRIVER active station id %u addr %pM\n",
+ sta_id, priv->stations[sta_id].sta.sta.addr);
- spin_unlock_irqrestore(&priv->sta_lock, flags);
+ if (priv->stations[sta_id].used & IWL_STA_UCODE_ACTIVE) {
+ IWL_DEBUG_ASSOC(priv,
+ "STA id %u addr %pM already present in uCode (according to driver)\n",
+ sta_id, priv->stations[sta_id].sta.sta.addr);
+ } else {
+ priv->stations[sta_id].used |= IWL_STA_UCODE_ACTIVE;
+ IWL_DEBUG_ASSOC(priv, "Added STA id %u addr %pM to uCode\n",
+ sta_id, priv->stations[sta_id].sta.sta.addr);
+ }
}
-static int iwl_add_sta_callback(struct iwl_priv *priv,
- struct iwl_cmd *cmd, struct sk_buff *skb)
+static void iwl_process_add_sta_resp(struct iwl_priv *priv,
+ struct iwl_addsta_cmd *addsta,
+ struct iwl_rx_packet *pkt,
+ bool sync)
{
- struct iwl_rx_packet *res = NULL;
- struct iwl_addsta_cmd *addsta =
- (struct iwl_addsta_cmd *)cmd->cmd.payload;
u8 sta_id = addsta->sta.sta_id;
+ unsigned long flags;
- if (!skb) {
- IWL_ERR(priv, "Error: Response NULL in REPLY_ADD_STA.\n");
- return 1;
- }
-
- res = (struct iwl_rx_packet *)skb->data;
- if (res->hdr.flags & IWL_CMD_FAILED_MSK) {
+ if (pkt->hdr.flags & IWL_CMD_FAILED_MSK) {
IWL_ERR(priv, "Bad return from REPLY_ADD_STA (0x%08X)\n",
- res->hdr.flags);
- return 1;
+ pkt->hdr.flags);
+ return;
}
- switch (res->u.add_sta.status) {
+ IWL_DEBUG_INFO(priv, "Processing response for adding station %u\n",
+ sta_id);
+
+ spin_lock_irqsave(&priv->sta_lock, flags);
+
+ switch (pkt->u.add_sta.status) {
case ADD_STA_SUCCESS_MSK:
+ IWL_DEBUG_INFO(priv, "REPLY_ADD_STA PASSED\n");
iwl_sta_ucode_activate(priv, sta_id);
- /* fall through */
+ break;
+ case ADD_STA_NO_ROOM_IN_TABLE:
+ IWL_ERR(priv, "Adding station %d failed, no room in table.\n",
+ sta_id);
+ break;
+ case ADD_STA_NO_BLOCK_ACK_RESOURCE:
+ IWL_ERR(priv, "Adding station %d failed, no block ack resource.\n",
+ sta_id);
+ break;
+ case ADD_STA_MODIFY_NON_EXIST_STA:
+ IWL_ERR(priv, "Attempting to modify non-existing station %d \n",
+ sta_id);
+ break;
default:
- IWL_DEBUG_HC("Received REPLY_ADD_STA:(0x%08X)\n",
- res->u.add_sta.status);
+ IWL_DEBUG_ASSOC(priv, "Received REPLY_ADD_STA:(0x%08X)\n",
+ pkt->u.add_sta.status);
break;
}
- /* We didn't cache the SKB; let the caller free it */
- return 1;
+ IWL_DEBUG_INFO(priv, "%s station id %u addr %pM\n",
+ priv->stations[sta_id].sta.mode ==
+ STA_CONTROL_MODIFY_MSK ? "Modified" : "Added",
+ sta_id, priv->stations[sta_id].sta.sta.addr);
+
+ /*
+ * XXX: The MAC address in the command buffer is often changed from
+ * the original sent to the device. That is, the MAC address
+ * written to the command buffer often is not the same MAC adress
+ * read from the command buffer when the command returns. This
+ * issue has not yet been resolved and this debugging is left to
+ * observe the problem.
+ */
+ IWL_DEBUG_INFO(priv, "%s station according to cmd buffer %pM\n",
+ priv->stations[sta_id].sta.mode ==
+ STA_CONTROL_MODIFY_MSK ? "Modified" : "Added",
+ addsta->sta.addr);
+
+ /*
+ * Determine if we wanted to modify or add a station,
+ * if adding a station succeeded we have some more initialization
+ * to do when using station notification. TODO
+ */
+
+ spin_unlock_irqrestore(&priv->sta_lock, flags);
+}
+
+static void iwl_add_sta_callback(struct iwl_priv *priv,
+ struct iwl_device_cmd *cmd,
+ struct iwl_rx_packet *pkt)
+{
+ struct iwl_addsta_cmd *addsta =
+ (struct iwl_addsta_cmd *)cmd->cmd.payload;
+
+ iwl_process_add_sta_resp(priv, addsta, pkt, false);
+
}
int iwl_send_add_sta(struct iwl_priv *priv,
struct iwl_addsta_cmd *sta, u8 flags)
{
- struct iwl_rx_packet *res = NULL;
+ struct iwl_rx_packet *pkt = NULL;
int ret = 0;
u8 data[sizeof(*sta)];
struct iwl_host_cmd cmd = {
.id = REPLY_ADD_STA,
- .meta.flags = flags,
+ .flags = flags,
.data = data,
};
if (flags & CMD_ASYNC)
- cmd.meta.u.callback = iwl_add_sta_callback;
+ cmd.callback = iwl_add_sta_callback;
else
- cmd.meta.flags |= CMD_WANT_SKB;
+ cmd.flags |= CMD_WANT_SKB;
cmd.len = priv->cfg->ops->utils->build_addsta_hcmd(sta, data);
ret = iwl_send_cmd(priv, &cmd);
if (ret || (flags & CMD_ASYNC))
return ret;
- res = (struct iwl_rx_packet *)cmd.meta.u.skb->data;
- if (res->hdr.flags & IWL_CMD_FAILED_MSK) {
- IWL_ERR(priv, "Bad return from REPLY_ADD_STA (0x%08X)\n",
- res->hdr.flags);
- ret = -EIO;
- }
-
if (ret == 0) {
- switch (res->u.add_sta.status) {
- case ADD_STA_SUCCESS_MSK:
- iwl_sta_ucode_activate(priv, sta->sta.sta_id);
- IWL_DEBUG_INFO("REPLY_ADD_STA PASSED\n");
- break;
- default:
- ret = -EIO;
- IWL_WARN(priv, "REPLY_ADD_STA failed\n");
- break;
- }
+ pkt = (struct iwl_rx_packet *)cmd.reply_page;
+ iwl_process_add_sta_resp(priv, sta, pkt, true);
}
-
- priv->alloc_rxb_skb--;
- dev_kfree_skb_any(cmd.meta.u.skb);
+ iwl_free_pages(priv, cmd.reply_page);
return ret;
}
goto done;
mimo_ps_mode = (sta_ht_inf->cap & IEEE80211_HT_CAP_SM_PS) >> 2;
+ IWL_DEBUG_ASSOC(priv, "spatial multiplexing power save mode: %s\n",
+ (mimo_ps_mode == WLAN_HT_CAP_SM_PS_STATIC) ?
+ "static" :
+ (mimo_ps_mode == WLAN_HT_CAP_SM_PS_DYNAMIC) ?
+ "dynamic" : "disabled");
sta_flags = priv->stations[index].sta.station_flags;
sta_flags |= cpu_to_le32(
(u32)sta_ht_inf->ampdu_density << STA_FLG_AGG_MPDU_DENSITY_POS);
- if (iwl_is_fat_tx_allowed(priv, sta_ht_inf))
- sta_flags |= STA_FLG_FAT_EN_MSK;
+ if (iwl_is_ht40_tx_allowed(priv, sta_ht_inf))
+ sta_flags |= STA_FLG_HT40_EN_MSK;
else
- sta_flags &= ~STA_FLG_FAT_EN_MSK;
+ sta_flags &= ~STA_FLG_HT40_EN_MSK;
priv->stations[index].sta.station_flags = sta_flags;
done:
}
/**
- * iwl_add_station_flags - Add station to tables in driver and device
+ * iwl_add_station - Add station to tables in driver and device
*/
-u8 iwl_add_station_flags(struct iwl_priv *priv, const u8 *addr, int is_ap,
- u8 flags, struct ieee80211_sta_ht_cap *ht_info)
+u8 iwl_add_station(struct iwl_priv *priv, const u8 *addr, bool is_ap, u8 flags,
+ struct ieee80211_sta_ht_cap *ht_info)
{
- int i;
- int sta_id = IWL_INVALID_STATION;
struct iwl_station_entry *station;
unsigned long flags_spin;
+ int i;
+ int sta_id = IWL_INVALID_STATION;
+ u16 rate;
spin_lock_irqsave(&priv->sta_lock, flags_spin);
if (is_ap)
station = &priv->stations[sta_id];
station->used = IWL_STA_DRIVER_ACTIVE;
- IWL_DEBUG_ASSOC("Add STA to driver ID %d: %pM\n",
+ IWL_DEBUG_ASSOC(priv, "Add STA to driver ID %d: %pM\n",
sta_id, addr);
priv->num_stations++;
priv->iw_mode != NL80211_IFTYPE_ADHOC)
iwl_set_ht_add_station(priv, sta_id, ht_info);
+ /* 3945 only */
+ rate = (priv->band == IEEE80211_BAND_5GHZ) ?
+ IWL_RATE_6M_PLCP : IWL_RATE_1M_PLCP;
+ /* Turn on both antennas for the station... */
+ station->sta.rate_n_flags = cpu_to_le16(rate | RATE_MCS_ANT_AB_MSK);
+
spin_unlock_irqrestore(&priv->sta_lock, flags_spin);
/* Add station to device's station table */
return sta_id;
}
-EXPORT_SYMBOL(iwl_add_station_flags);
+EXPORT_SYMBOL(iwl_add_station);
-static void iwl_sta_ucode_deactivate(struct iwl_priv *priv, const char *addr)
+static void iwl_sta_ucode_deactivate(struct iwl_priv *priv, const u8 *addr)
{
unsigned long flags;
u8 sta_id = iwl_find_station(priv, addr);
BUG_ON(sta_id == IWL_INVALID_STATION);
- IWL_DEBUG_ASSOC("Removed STA from Ucode: %pM\n", addr);
+ IWL_DEBUG_ASSOC(priv, "Removed STA from Ucode: %pM\n", addr);
spin_lock_irqsave(&priv->sta_lock, flags);
spin_unlock_irqrestore(&priv->sta_lock, flags);
}
-static int iwl_remove_sta_callback(struct iwl_priv *priv,
- struct iwl_cmd *cmd, struct sk_buff *skb)
+static void iwl_remove_sta_callback(struct iwl_priv *priv,
+ struct iwl_device_cmd *cmd,
+ struct iwl_rx_packet *pkt)
{
- struct iwl_rx_packet *res = NULL;
struct iwl_rem_sta_cmd *rm_sta =
- (struct iwl_rem_sta_cmd *)cmd->cmd.payload;
- const char *addr = rm_sta->addr;
+ (struct iwl_rem_sta_cmd *)cmd->cmd.payload;
+ const u8 *addr = rm_sta->addr;
- if (!skb) {
- IWL_ERR(priv, "Error: Response NULL in REPLY_REMOVE_STA.\n");
- return 1;
- }
-
- res = (struct iwl_rx_packet *)skb->data;
- if (res->hdr.flags & IWL_CMD_FAILED_MSK) {
+ if (pkt->hdr.flags & IWL_CMD_FAILED_MSK) {
IWL_ERR(priv, "Bad return from REPLY_REMOVE_STA (0x%08X)\n",
- res->hdr.flags);
- return 1;
+ pkt->hdr.flags);
+ return;
}
- switch (res->u.rem_sta.status) {
+ switch (pkt->u.rem_sta.status) {
case REM_STA_SUCCESS_MSK:
iwl_sta_ucode_deactivate(priv, addr);
break;
IWL_ERR(priv, "REPLY_REMOVE_STA failed\n");
break;
}
-
- /* We didn't cache the SKB; let the caller free it */
- return 1;
}
static int iwl_send_remove_station(struct iwl_priv *priv, const u8 *addr,
u8 flags)
{
- struct iwl_rx_packet *res = NULL;
+ struct iwl_rx_packet *pkt;
int ret;
struct iwl_rem_sta_cmd rm_sta_cmd;
struct iwl_host_cmd cmd = {
.id = REPLY_REMOVE_STA,
.len = sizeof(struct iwl_rem_sta_cmd),
- .meta.flags = flags,
+ .flags = flags,
.data = &rm_sta_cmd,
};
memcpy(&rm_sta_cmd.addr, addr , ETH_ALEN);
if (flags & CMD_ASYNC)
- cmd.meta.u.callback = iwl_remove_sta_callback;
+ cmd.callback = iwl_remove_sta_callback;
else
- cmd.meta.flags |= CMD_WANT_SKB;
+ cmd.flags |= CMD_WANT_SKB;
ret = iwl_send_cmd(priv, &cmd);
if (ret || (flags & CMD_ASYNC))
return ret;
- res = (struct iwl_rx_packet *)cmd.meta.u.skb->data;
- if (res->hdr.flags & IWL_CMD_FAILED_MSK) {
+ pkt = (struct iwl_rx_packet *)cmd.reply_page;
+ if (pkt->hdr.flags & IWL_CMD_FAILED_MSK) {
IWL_ERR(priv, "Bad return from REPLY_REMOVE_STA (0x%08X)\n",
- res->hdr.flags);
+ pkt->hdr.flags);
ret = -EIO;
}
if (!ret) {
- switch (res->u.rem_sta.status) {
+ switch (pkt->u.rem_sta.status) {
case REM_STA_SUCCESS_MSK:
iwl_sta_ucode_deactivate(priv, addr);
- IWL_DEBUG_ASSOC("REPLY_REMOVE_STA PASSED\n");
+ IWL_DEBUG_ASSOC(priv, "REPLY_REMOVE_STA PASSED\n");
break;
default:
ret = -EIO;
break;
}
}
-
- priv->alloc_rxb_skb--;
- dev_kfree_skb_any(cmd.meta.u.skb);
+ iwl_free_pages(priv, cmd.reply_page);
return ret;
}
/**
* iwl_remove_station - Remove driver's knowledge of station.
*/
-int iwl_remove_station(struct iwl_priv *priv, const u8 *addr, int is_ap)
+int iwl_remove_station(struct iwl_priv *priv, const u8 *addr, bool is_ap)
{
int sta_id = IWL_INVALID_STATION;
int i, ret = -EINVAL;
if (unlikely(sta_id == IWL_INVALID_STATION))
goto out;
- IWL_DEBUG_ASSOC("Removing STA from driver:%d %pM\n",
+ IWL_DEBUG_ASSOC(priv, "Removing STA from driver:%d %pM\n",
sta_id, addr);
if (!(priv->stations[sta_id].used & IWL_STA_DRIVER_ACTIVE)) {
spin_unlock_irqrestore(&priv->sta_lock, flags);
return ret;
}
-EXPORT_SYMBOL(iwl_remove_station);
/**
* iwl_clear_stations_table - Clear the driver's station table
void iwl_clear_stations_table(struct iwl_priv *priv)
{
unsigned long flags;
+ int i;
spin_lock_irqsave(&priv->sta_lock, flags);
priv->num_stations = 0;
memset(priv->stations, 0, sizeof(priv->stations));
+ /* clean ucode key table bit map */
+ priv->ucode_key_table = 0;
+
+ /* keep track of static keys */
+ for (i = 0; i < WEP_KEYS_MAX ; i++) {
+ if (priv->wep_keys[i].key_size)
+ set_bit(i, &priv->ucode_key_table);
+ }
+
spin_unlock_irqrestore(&priv->sta_lock, flags);
}
EXPORT_SYMBOL(iwl_clear_stations_table);
-static int iwl_get_free_ucode_key_index(struct iwl_priv *priv)
+int iwl_get_free_ucode_key_index(struct iwl_priv *priv)
{
int i;
return WEP_INVALID_OFFSET;
}
+EXPORT_SYMBOL(iwl_get_free_ucode_key_index);
int iwl_send_static_wepkey_cmd(struct iwl_priv *priv, u8 send_if_empty)
{
struct iwl_host_cmd cmd = {
.id = REPLY_WEPKEY,
.data = wep_cmd,
- .meta.flags = CMD_ASYNC,
+ .flags = CMD_ASYNC,
};
memset(wep_cmd, 0, cmd_size +
unsigned long flags;
spin_lock_irqsave(&priv->sta_lock, flags);
+ IWL_DEBUG_WEP(priv, "Removing default WEP key: idx=%d\n",
+ keyconf->keyidx);
if (!test_and_clear_bit(keyconf->keyidx, &priv->ucode_key_table))
IWL_ERR(priv, "index %d not used in uCode key table.\n",
priv->default_wep_key--;
memset(&priv->wep_keys[keyconf->keyidx], 0, sizeof(priv->wep_keys[0]));
+ if (iwl_is_rfkill(priv)) {
+ IWL_DEBUG_WEP(priv, "Not sending REPLY_WEPKEY command due to RFKILL.\n");
+ spin_unlock_irqrestore(&priv->sta_lock, flags);
+ return 0;
+ }
ret = iwl_send_static_wepkey_cmd(priv, 1);
- IWL_DEBUG_WEP("Remove default WEP key: idx=%d ret=%d\n",
+ IWL_DEBUG_WEP(priv, "Remove default WEP key: idx=%d ret=%d\n",
keyconf->keyidx, ret);
spin_unlock_irqrestore(&priv->sta_lock, flags);
if (keyconf->keylen != WEP_KEY_LEN_128 &&
keyconf->keylen != WEP_KEY_LEN_64) {
- IWL_DEBUG_WEP("Bad WEP key length %d\n", keyconf->keylen);
+ IWL_DEBUG_WEP(priv, "Bad WEP key length %d\n", keyconf->keylen);
return -EINVAL;
}
keyconf->keylen);
ret = iwl_send_static_wepkey_cmd(priv, 0);
- IWL_DEBUG_WEP("Set default WEP key: len=%d idx=%d ret=%d\n",
+ IWL_DEBUG_WEP(priv, "Set default WEP key: len=%d idx=%d ret=%d\n",
keyconf->keylen, keyconf->keyidx, ret);
spin_unlock_irqrestore(&priv->sta_lock, flags);
{
unsigned long flags;
int ret = 0;
+ __le16 key_flags = 0;
+
+ key_flags |= (STA_KEY_FLG_TKIP | STA_KEY_FLG_MAP_KEY_MSK);
+ key_flags |= cpu_to_le16(keyconf->keyidx << STA_KEY_FLG_KEYID_POS);
+ key_flags &= ~STA_KEY_FLG_INVALID;
+
+ if (sta_id == priv->hw_params.bcast_sta_id)
+ key_flags |= STA_KEY_MULTICAST_MSK;
keyconf->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
keyconf->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
WARN(priv->stations[sta_id].sta.key.key_offset == WEP_INVALID_OFFSET,
"no space for a new key");
+ priv->stations[sta_id].sta.key.key_flags = key_flags;
+
+
/* This copy is acutally not needed: we get the key with each TX */
memcpy(priv->stations[sta_id].keyinfo.key, keyconf->key, 16);
{
u8 sta_id = IWL_INVALID_STATION;
unsigned long flags;
- __le16 key_flags = 0;
int i;
- DECLARE_MAC_BUF(mac);
sta_id = iwl_find_station(priv, addr);
if (sta_id == IWL_INVALID_STATION) {
- IWL_DEBUG_MAC80211("leave - %pM not in station map.\n",
+ IWL_DEBUG_MAC80211(priv, "leave - %pM not in station map.\n",
addr);
return;
}
return;
}
- key_flags |= (STA_KEY_FLG_TKIP | STA_KEY_FLG_MAP_KEY_MSK);
- key_flags |= cpu_to_le16(keyconf->keyidx << STA_KEY_FLG_KEYID_POS);
- key_flags &= ~STA_KEY_FLG_INVALID;
-
- if (sta_id == priv->hw_params.bcast_sta_id)
- key_flags |= STA_KEY_MULTICAST_MSK;
-
spin_lock_irqsave(&priv->sta_lock, flags);
- priv->stations[sta_id].sta.key.key_flags = key_flags;
priv->stations[sta_id].sta.key.tkip_rx_tsc_byte2 = (u8) iv32;
for (i = 0; i < 5; i++)
key_flags = le16_to_cpu(priv->stations[sta_id].sta.key.key_flags);
keyidx = (key_flags >> STA_KEY_FLG_KEYID_POS) & 0x3;
- IWL_DEBUG_WEP("Remove dynamic key: idx=%d sta=%d\n",
+ IWL_DEBUG_WEP(priv, "Remove dynamic key: idx=%d sta=%d\n",
keyconf->keyidx, sta_id);
if (keyconf->keyidx != keyidx) {
priv->stations[sta_id].sta.sta.modify_mask = STA_MODIFY_KEY_MASK;
priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK;
+ if (iwl_is_rfkill(priv)) {
+ IWL_DEBUG_WEP(priv, "Not sending REPLY_ADD_STA command because RFKILL enabled. \n");
+ spin_unlock_irqrestore(&priv->sta_lock, flags);
+ return 0;
+ }
ret = iwl_send_add_sta(priv, &priv->stations[sta_id].sta, CMD_ASYNC);
spin_unlock_irqrestore(&priv->sta_lock, flags);
return ret;
ret = -EINVAL;
}
- IWL_DEBUG_WEP("Set dynamic key: alg= %d len=%d idx=%d sta=%d ret=%d\n",
+ IWL_DEBUG_WEP(priv, "Set dynamic key: alg= %d len=%d idx=%d sta=%d ret=%d\n",
keyconf->alg, keyconf->keylen, keyconf->keyidx,
sta_id, ret);
struct iwl_link_quality_cmd *lq)
{
int i;
- IWL_DEBUG_RATE("lq station id 0x%x\n", lq->sta_id);
- IWL_DEBUG_RATE("lq ant 0x%X 0x%X\n",
+ IWL_DEBUG_RATE(priv, "lq station id 0x%x\n", lq->sta_id);
+ IWL_DEBUG_RATE(priv, "lq ant 0x%X 0x%X\n",
lq->general_params.single_stream_ant_msk,
lq->general_params.dual_stream_ant_msk);
for (i = 0; i < LINK_QUAL_MAX_RETRY_NUM; i++)
- IWL_DEBUG_RATE("lq index %d 0x%X\n",
+ IWL_DEBUG_RATE(priv, "lq index %d 0x%X\n",
i, lq->rs_table[i].rate_n_flags);
}
#else
struct iwl_host_cmd cmd = {
.id = REPLY_TX_LINK_QUALITY_CMD,
.len = sizeof(struct iwl_link_quality_cmd),
- .meta.flags = flags,
+ .flags = flags,
.data = lq,
};
* calling this function (which runs REPLY_TX_LINK_QUALITY_CMD,
* which requires station table entry to exist).
*/
-static void iwl_sta_init_lq(struct iwl_priv *priv, const u8 *addr, int is_ap)
+static void iwl_sta_init_lq(struct iwl_priv *priv, const u8 *addr, bool is_ap)
{
int i, r;
struct iwl_link_quality_cmd link_cmd = {
link_cmd.general_params.single_stream_ant_msk =
first_antenna(priv->hw_params.valid_tx_ant);
link_cmd.general_params.dual_stream_ant_msk = 3;
- link_cmd.agg_params.agg_dis_start_th = 3;
- link_cmd.agg_params.agg_time_limit = cpu_to_le16(4000);
+ link_cmd.agg_params.agg_dis_start_th = LINK_QUAL_AGG_DISABLE_START_DEF;
+ link_cmd.agg_params.agg_time_limit =
+ cpu_to_le16(LINK_QUAL_AGG_TIME_LIMIT_DEF);
/* Update the rate scaling for control frame Tx to AP */
link_cmd.sta_id = is_ap ? IWL_AP_ID : priv->hw_params.bcast_sta_id;
* there is only one AP station with id= IWL_AP_ID
* NOTE: mutex must be held before calling this function
*/
-int iwl_rxon_add_station(struct iwl_priv *priv, const u8 *addr, int is_ap)
+int iwl_rxon_add_station(struct iwl_priv *priv, const u8 *addr, bool is_ap)
{
struct ieee80211_sta *sta;
struct ieee80211_sta_ht_cap ht_config;
struct ieee80211_sta_ht_cap *cur_ht_config = NULL;
u8 sta_id;
- /* Add station to device's station table */
-
/*
- * XXX: This check is definitely not correct, if we're an AP
- * it'll always be false which is not what we want, but
- * it doesn't look like iwlagn is prepared to be an HT
- * AP anyway.
+ * Set HT capabilities. It is ok to set this struct even if not using
+ * HT config: the priv->current_ht_config.is_ht flag will just be false
*/
- if (priv->current_ht_config.is_ht) {
- rcu_read_lock();
- sta = ieee80211_find_sta(priv->hw, addr);
- if (sta) {
- memcpy(&ht_config, &sta->ht_cap, sizeof(ht_config));
- cur_ht_config = &ht_config;
- }
- rcu_read_unlock();
+ rcu_read_lock();
+ sta = ieee80211_find_sta(priv->vif, addr);
+ if (sta) {
+ memcpy(&ht_config, &sta->ht_cap, sizeof(ht_config));
+ cur_ht_config = &ht_config;
}
+ rcu_read_unlock();
- sta_id = iwl_add_station_flags(priv, addr, is_ap,
- 0, cur_ht_config);
+ /* Add station to device's station table */
+ sta_id = iwl_add_station(priv, addr, is_ap, CMD_SYNC, cur_ht_config);
/* Set up default rate scaling table in device's station table */
iwl_sta_init_lq(priv, addr, is_ap);
EXPORT_SYMBOL(iwl_rxon_add_station);
/**
+ * iwl_sta_init_bcast_lq - Initialize a bcast station's hardware rate table
+ *
+ * NOTE: Run REPLY_ADD_STA command to set up station table entry, before
+ * calling this function (which runs REPLY_TX_LINK_QUALITY_CMD,
+ * which requires station table entry to exist).
+ */
+static void iwl_sta_init_bcast_lq(struct iwl_priv *priv)
+{
+ int i, r;
+ struct iwl_link_quality_cmd link_cmd = {
+ .reserved1 = 0,
+ };
+ u32 rate_flags;
+
+ /* Set up the rate scaling to start at selected rate, fall back
+ * all the way down to 1M in IEEE order, and then spin on 1M */
+ if (priv->band == IEEE80211_BAND_5GHZ)
+ r = IWL_RATE_6M_INDEX;
+ else
+ r = IWL_RATE_1M_INDEX;
+
+ for (i = 0; i < LINK_QUAL_MAX_RETRY_NUM; i++) {
+ rate_flags = 0;
+ if (r >= IWL_FIRST_CCK_RATE && r <= IWL_LAST_CCK_RATE)
+ rate_flags |= RATE_MCS_CCK_MSK;
+
+ rate_flags |= first_antenna(priv->hw_params.valid_tx_ant) <<
+ RATE_MCS_ANT_POS;
+
+ link_cmd.rs_table[i].rate_n_flags =
+ iwl_hw_set_rate_n_flags(iwl_rates[r].plcp, rate_flags);
+ r = iwl_get_prev_ieee_rate(r);
+ }
+
+ link_cmd.general_params.single_stream_ant_msk =
+ first_antenna(priv->hw_params.valid_tx_ant);
+ link_cmd.general_params.dual_stream_ant_msk = 3;
+ link_cmd.agg_params.agg_dis_start_th = LINK_QUAL_AGG_DISABLE_START_DEF;
+ link_cmd.agg_params.agg_time_limit =
+ cpu_to_le16(LINK_QUAL_AGG_TIME_LIMIT_DEF);
+
+ /* Update the rate scaling for control frame Tx to AP */
+ link_cmd.sta_id = priv->hw_params.bcast_sta_id;
+
+ iwl_send_cmd_pdu_async(priv, REPLY_TX_LINK_QUALITY_CMD,
+ sizeof(link_cmd), &link_cmd, NULL);
+}
+
+
+/**
+ * iwl_add_bcast_station - add broadcast station into station table.
+ */
+void iwl_add_bcast_station(struct iwl_priv *priv)
+{
+ IWL_DEBUG_INFO(priv, "Adding broadcast station to station table\n");
+ iwl_add_station(priv, iwl_bcast_addr, false, CMD_SYNC, NULL);
+
+ /* Set up default rate scaling table in device's station table */
+ iwl_sta_init_bcast_lq(priv);
+}
+EXPORT_SYMBOL(iwl_add_bcast_station);
+
+/**
+ * iwl3945_add_bcast_station - add broadcast station into station table.
+ */
+void iwl3945_add_bcast_station(struct iwl_priv *priv)
+{
+ IWL_DEBUG_INFO(priv, "Adding broadcast station to station table\n");
+ iwl_add_station(priv, iwl_bcast_addr, false, CMD_SYNC, NULL);
+}
+EXPORT_SYMBOL(iwl3945_add_bcast_station);
+
+/**
* iwl_get_sta_id - Find station's index within station table
*
* If new IBSS station, create new entry in station table
int iwl_get_sta_id(struct iwl_priv *priv, struct ieee80211_hdr *hdr)
{
int sta_id;
- u16 fc = le16_to_cpu(hdr->frame_control);
+ __le16 fc = hdr->frame_control;
/* If this frame is broadcast or management, use broadcast station id */
- if (((fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA) ||
- is_multicast_ether_addr(hdr->addr1))
+ if (!ieee80211_is_data(fc) || is_multicast_ether_addr(hdr->addr1))
return priv->hw_params.bcast_sta_id;
switch (priv->iw_mode) {
return sta_id;
/* Create new station table entry */
- sta_id = iwl_add_station_flags(priv, hdr->addr1,
- 0, CMD_ASYNC, NULL);
+ sta_id = iwl_add_station(priv, hdr->addr1, false,
+ CMD_ASYNC, NULL);
if (sta_id != IWL_INVALID_STATION)
return sta_id;
- IWL_DEBUG_DROP("Station %pM not in station map. "
+ IWL_DEBUG_DROP(priv, "Station %pM not in station map. "
"Defaulting to broadcast...\n",
hdr->addr1);
iwl_print_hex_dump(priv, IWL_DL_DROP, (u8 *) hdr, sizeof(*hdr));
return priv->hw_params.bcast_sta_id;
- /* If we are in monitor mode, use BCAST. This is required for
- * packet injection. */
- case NL80211_IFTYPE_MONITOR:
- return priv->hw_params.bcast_sta_id;
-
default:
IWL_WARN(priv, "Unknown mode of operation: %d\n",
priv->iw_mode);
int sta_id;
sta_id = iwl_find_station(priv, addr);
- if (sta_id == IWL_INVALID_STATION)
+ if (sta_id == IWL_INVALID_STATION) {
+ IWL_ERR(priv, "Invalid station for AGG tid %d\n", tid);
return -ENXIO;
+ }
spin_lock_irqsave(&priv->sta_lock, flags);
priv->stations[sta_id].sta.station_flags_msk = 0;
}
EXPORT_SYMBOL(iwl_sta_rx_agg_stop);
-static void iwl_sta_modify_ps_wake(struct iwl_priv *priv, int sta_id)
+void iwl_sta_modify_ps_wake(struct iwl_priv *priv, int sta_id)
{
unsigned long flags;
priv->stations[sta_id].sta.station_flags &= ~STA_FLG_PWR_SAVE_MSK;
priv->stations[sta_id].sta.station_flags_msk = STA_FLG_PWR_SAVE_MSK;
priv->stations[sta_id].sta.sta.modify_mask = 0;
+ priv->stations[sta_id].sta.sleep_tx_count = 0;
priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK;
spin_unlock_irqrestore(&priv->sta_lock, flags);
iwl_send_add_sta(priv, &priv->stations[sta_id].sta, CMD_ASYNC);
}
+EXPORT_SYMBOL(iwl_sta_modify_ps_wake);
-void iwl_update_ps_mode(struct iwl_priv *priv, u16 ps_bit, u8 *addr)
+void iwl_sta_modify_sleep_tx_count(struct iwl_priv *priv, int sta_id, int cnt)
{
- /* FIXME: need locking over ps_status ??? */
- u8 sta_id = iwl_find_station(priv, addr);
+ unsigned long flags;
- if (sta_id != IWL_INVALID_STATION) {
- u8 sta_awake = priv->stations[sta_id].
- ps_status == STA_PS_STATUS_WAKE;
+ spin_lock_irqsave(&priv->sta_lock, flags);
+ priv->stations[sta_id].sta.station_flags |= STA_FLG_PWR_SAVE_MSK;
+ priv->stations[sta_id].sta.station_flags_msk = STA_FLG_PWR_SAVE_MSK;
+ priv->stations[sta_id].sta.sta.modify_mask =
+ STA_MODIFY_SLEEP_TX_COUNT_MSK;
+ priv->stations[sta_id].sta.sleep_tx_count = cpu_to_le16(cnt);
+ priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK;
+ spin_unlock_irqrestore(&priv->sta_lock, flags);
- if (sta_awake && ps_bit)
- priv->stations[sta_id].ps_status = STA_PS_STATUS_SLEEP;
- else if (!sta_awake && !ps_bit) {
- iwl_sta_modify_ps_wake(priv, sta_id);
- priv->stations[sta_id].ps_status = STA_PS_STATUS_WAKE;
- }
- }
+ iwl_send_add_sta(priv, &priv->stations[sta_id].sta, CMD_ASYNC);
}
-
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff