static void rtl_op_stop(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
if (is_hal_stop(rtlhal))
return;
if (unlikely(ppsc->rfpwr_state == ERFOFF)) {
rtl_ips_nic_on(hw);
mdelay(1);
}
mutex_lock(&rtlpriv->locks.conf_mutex);
mac->link_state = MAC80211_NOLINK;
memset(mac->bssid, 0, 6);
mac->vendor = PEER_UNKNOWN;
/*reset sec info */
rtl_cam_reset_sec_info(hw);
rtl_deinit_deferred_work(hw);
rtlpriv->intf_ops->adapter_stop(hw);
mutex_unlock(&rtlpriv->locks.conf_mutex);
}
static void rtl_op_stop( struct ieee80211_hw *hw )
{
struct rtl_priv *rtlpriv = rtl_priv( hw );
struct rtl_mac *mac = rtl_mac( rtl_priv( hw ) );
struct rtl_hal *rtlhal = rtl_hal( rtl_priv( hw ) );
struct rtl_ps_ctl *ppsc = rtl_psc( rtl_priv( hw ) );
if ( is_hal_stop( rtlhal ) )
return;
/* here is must, because adhoc do stop and start,
* but stop with RFOFF may cause something wrong,
* like adhoc TP
*/
if ( unlikely( ppsc->rfpwr_state == ERFOFF ) ) {
rtl_ips_nic_on( hw );
}
mutex_lock( &rtlpriv->locks.conf_mutex );
mac->link_state = MAC80211_NOLINK;
memset( mac->bssid, 0, ETH_ALEN );
mac->vendor = PEER_UNKNOWN;
/*reset sec info */
rtl_cam_reset_sec_info( hw );
rtl_deinit_deferred_work( hw );
rtlpriv->intf_ops->adapter_stop( hw );
mutex_unlock( &rtlpriv->locks.conf_mutex );
}
static void rtl_op_sw_scan_start( struct ieee80211_hw *hw )
{
struct rtl_priv *rtlpriv = rtl_priv( hw );
struct rtl_mac *mac = rtl_mac( rtl_priv( hw ) );
RT_TRACE( rtlpriv, COMP_MAC80211, DBG_LOUD, "\n" );
mac->act_scanning = true;
if ( rtlpriv->link_info.higher_busytraffic ) {
mac->skip_scan = true;
return;
}
if ( rtlpriv->dm.supp_phymode_switch ) {
if ( rtlpriv->cfg->ops->chk_switch_dmdp )
rtlpriv->cfg->ops->chk_switch_dmdp( hw );
}
if ( mac->link_state == MAC80211_LINKED ) {
rtlpriv->enter_ps = false;
schedule_work( &rtlpriv->works.lps_change_work );
mac->link_state = MAC80211_LINKED_SCANNING;
} else {
rtl_ips_nic_on( hw );
}
/* Dual mac */
rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false;
rtlpriv->cfg->ops->led_control( hw, LED_CTL_SITE_SURVEY );
rtlpriv->cfg->ops->scan_operation_backup( hw, SCAN_OPT_BACKUP );
}
static void rtl_op_sw_scan_start(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
RT_TRACE(COMP_MAC80211, DBG_LOUD, ("\n"));
mac->act_scanning = true;
/*rtlpriv->btcops->btc_scan_notify(rtlpriv, 0); */
if (rtlpriv->link_info.b_higher_busytraffic) {
mac->skip_scan = true;
return;
}
if (rtlpriv->dm.supp_phymode_switch) {
if (rtlpriv->cfg->ops->check_switch_to_dmdp)
rtlpriv->cfg->ops->check_switch_to_dmdp(hw);
}
if (mac->link_state == MAC80211_LINKED) {
rtl_lps_leave(hw);
mac->link_state = MAC80211_LINKED_SCANNING;
} else {
rtl_ips_nic_on(hw);
}
/* Dul mac */
rtlpriv->rtlhal.b_load_imrandiqk_setting_for2g = false;
rtlpriv->cfg->ops->led_control(hw, LED_CTL_SITE_SURVEY);
rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_BACKUP);
}
static void _rtl_usb_tx_preprocess(struct ieee80211_hw *hw,
struct ieee80211_sta *sta,
struct sk_buff *skb,
u16 hw_queue)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct rtl_tx_desc *pdesc = NULL;
struct rtl_tcb_desc tcb_desc;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data);
__le16 fc = hdr->frame_control;
u8 *pda_addr = hdr->addr1;
/* ssn */
u8 *qc = NULL;
u8 tid = 0;
u16 seq_number = 0;
memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
if (ieee80211_is_auth(fc)) {
RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, "MAC80211_LINKING\n");
rtl_ips_nic_on(hw);
}
if (rtlpriv->psc.sw_ps_enabled) {
if (ieee80211_is_data(fc) && !ieee80211_is_nullfunc(fc) &&
!ieee80211_has_pm(fc))
hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_PM);
}
rtl_action_proc(hw, skb, true);
if (is_multicast_ether_addr(pda_addr))
rtlpriv->stats.txbytesmulticast += skb->len;
else if (is_broadcast_ether_addr(pda_addr))
rtlpriv->stats.txbytesbroadcast += skb->len;
else
rtlpriv->stats.txbytesunicast += skb->len;
if (ieee80211_is_data_qos(fc)) {
qc = ieee80211_get_qos_ctl(hdr);
tid = qc[0] & IEEE80211_QOS_CTL_TID_MASK;
seq_number = (le16_to_cpu(hdr->seq_ctrl) &
IEEE80211_SCTL_SEQ) >> 4;
seq_number += 1;
seq_number <<= 4;
}
rtlpriv->cfg->ops->fill_tx_desc(hw, hdr, (u8 *)pdesc, NULL, info, sta, skb,
hw_queue, &tcb_desc);
if (!ieee80211_has_morefrags(hdr->frame_control)) {
if (qc)
mac->tids[tid].seq_number = seq_number;
}
if (ieee80211_is_data(fc))
rtlpriv->cfg->ops->led_control(hw, LED_CTL_TX);
}
bool rtl_tx_mgmt_proc(struct ieee80211_hw *hw, struct sk_buff *skb)
{
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data);
u16 fc = le16_to_cpu(hdr->frame_control);
if (ieee80211_is_auth(fc)) {
RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, ("MAC80211_LINKING\n"));
rtl_ips_nic_on(hw);
mac->link_state = MAC80211_LINKING;
}
return true;
}
static void rtl_op_sw_scan_start(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
mac->act_scanning = true;
RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, ("\n"));
if (mac->link_state == MAC80211_LINKED) {
rtl_lps_leave(hw);
mac->link_state = MAC80211_LINKED_SCANNING;
} else {
rtl_ips_nic_on(hw);
}
/* Dual mac */
rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false;
rtlpriv->cfg->ops->led_control(hw, LED_CTL_SITE_SURVEY);
rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_BACKUP);
}
bool rtl_tx_mgmt_proc(struct ieee80211_hw *hw, struct sk_buff *skb)
{
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
struct rtl_priv *rtlpriv = rtl_priv(hw);
__le16 fc = rtl_get_fc(skb);
if (rtlpriv->dm.supp_phymode_switch &&
mac->link_state < MAC80211_LINKED &&
(ieee80211_is_auth(fc) || ieee80211_is_probe_req(fc))) {
if (rtlpriv->cfg->ops->check_switch_to_dmdp)
rtlpriv->cfg->ops->check_switch_to_dmdp(hw);
}
if (ieee80211_is_auth(fc)) {
RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, "MAC80211_LINKING\n");
rtl_ips_nic_on(hw);
mac->link_state = MAC80211_LINKING;
/* Dual mac */
rtlpriv->phy.need_iqk = true;
}
return true;
}
static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
struct ieee80211_vif *vif, struct ieee80211_sta *sta,
struct ieee80211_key_conf *key)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
u8 key_type = NO_ENCRYPTION;
u8 key_idx;
bool group_key = false;
bool wep_only = false;
int err = 0;
u8 mac_addr[ETH_ALEN];
u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
u8 zero_addr[ETH_ALEN] = { 0 };
if (rtlpriv->cfg->mod_params->sw_crypto || rtlpriv->sec.use_sw_sec) {
RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
("not open hw encryption\n"));
return -ENOSPC; /*User disabled HW-crypto */
}
RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
("%s hardware based encryption for keyidx: %d, mac: %pM\n",
cmd == SET_KEY ? "Using" : "Disabling", key->keyidx,
sta ? sta->addr : bcast_addr));
rtlpriv->sec.being_setkey = true;
rtl_ips_nic_on(hw);
mutex_lock(&rtlpriv->locks.conf_mutex);
/* <1> get encryption alg */
switch (key->cipher) {
case WLAN_CIPHER_SUITE_WEP40:
key_type = WEP40_ENCRYPTION;
RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, ("alg:WEP40\n"));
break;
case WLAN_CIPHER_SUITE_WEP104:
RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
("alg:WEP104\n"));
key_type = WEP104_ENCRYPTION;
break;
case WLAN_CIPHER_SUITE_TKIP:
key_type = TKIP_ENCRYPTION;
RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, ("alg:TKIP\n"));
break;
case WLAN_CIPHER_SUITE_CCMP:
key_type = AESCCMP_ENCRYPTION;
RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, ("alg:CCMP\n"));
break;
default:
RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
("alg_err:%x!!!!:\n", key->cipher));
goto out_unlock;
}
if (key_type == WEP40_ENCRYPTION ||
key_type == WEP104_ENCRYPTION ||
mac->opmode == NL80211_IFTYPE_ADHOC)
rtlpriv->sec.use_defaultkey = true;
/* <2> get key_idx */
key_idx = (u8) (key->keyidx);
if (key_idx > 3)
goto out_unlock;
/* <3> if pairwise key enable_hw_sec */
group_key = !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE);
/* wep always be group key, but there are two conditions:
* 1) wep only: is just for wep enc, in this condition
* rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION
* will be true & enable_hw_sec will be set when wep
* ke setting.
* 2) wep(group) + AES(pairwise): some AP like cisco
* may use it, in this condition enable_hw_sec will not
* be set when wep key setting */
/* we must reset sec_info after lingked before set key,
* or some flag will be wrong*/
if (mac->opmode == NL80211_IFTYPE_AP) {
if (!group_key || key_type == WEP40_ENCRYPTION ||
key_type == WEP104_ENCRYPTION) {
if (group_key)
wep_only = true;
rtlpriv->cfg->ops->enable_hw_sec(hw);
}
} else {
if ((!group_key) || (mac->opmode == NL80211_IFTYPE_ADHOC) ||
rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION) {
if (rtlpriv->sec.pairwise_enc_algorithm ==
NO_ENCRYPTION &&
(key_type == WEP40_ENCRYPTION ||
key_type == WEP104_ENCRYPTION))
wep_only = true;
rtlpriv->sec.pairwise_enc_algorithm = key_type;
RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
("set enable_hw_sec, key_type:%x(OPEN:0 WEP40:1"
" TKIP:2 AES:4 WEP104:5)\n", key_type));
rtlpriv->cfg->ops->enable_hw_sec(hw);
}
}
/* <4> set key based on cmd */
switch (cmd) {
case SET_KEY:
if (wep_only) {
RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
("set WEP(group/pairwise) key\n"));
/* Pairwise key with an assigned MAC address. */
rtlpriv->sec.pairwise_enc_algorithm = key_type;
rtlpriv->sec.group_enc_algorithm = key_type;
/*set local buf about wep key. */
memcpy(rtlpriv->sec.key_buf[key_idx],
key->key, key->keylen);
rtlpriv->sec.key_len[key_idx] = key->keylen;
memcpy(mac_addr, zero_addr, ETH_ALEN);
} else if (group_key) { /* group key */
RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
("set group key\n"));
/* group key */
rtlpriv->sec.group_enc_algorithm = key_type;
/*set local buf about group key. */
memcpy(rtlpriv->sec.key_buf[key_idx],
key->key, key->keylen);
rtlpriv->sec.key_len[key_idx] = key->keylen;
memcpy(mac_addr, bcast_addr, ETH_ALEN);
} else { /* pairwise key */
RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
("set pairwise key\n"));
if (!sta) {
RT_ASSERT(false, ("pairwise key withnot"
"mac_addr\n"));
err = -EOPNOTSUPP;
goto out_unlock;
}
/* Pairwise key with an assigned MAC address. */
rtlpriv->sec.pairwise_enc_algorithm = key_type;
/*set local buf about pairwise key. */
memcpy(rtlpriv->sec.key_buf[PAIRWISE_KEYIDX],
key->key, key->keylen);
rtlpriv->sec.key_len[PAIRWISE_KEYIDX] = key->keylen;
rtlpriv->sec.pairwise_key =
rtlpriv->sec.key_buf[PAIRWISE_KEYIDX];
memcpy(mac_addr, sta->addr, ETH_ALEN);
}
rtlpriv->cfg->ops->set_key(hw, key_idx, mac_addr,
group_key, key_type, wep_only,
false);
/* <5> tell mac80211 do something: */
/*must use sw generate IV, or can not work !!!!. */
key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
key->hw_key_idx = key_idx;
if (key_type == TKIP_ENCRYPTION)
key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
break;
case DISABLE_KEY:
RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
("disable key delete one entry\n"));
/*set local buf about wep key. */
if (mac->opmode == NL80211_IFTYPE_AP) {
if (sta)
rtl_cam_del_entry(hw, sta->addr);
}
memset(rtlpriv->sec.key_buf[key_idx], 0, key->keylen);
rtlpriv->sec.key_len[key_idx] = 0;
memcpy(mac_addr, zero_addr, ETH_ALEN);
/*
*mac80211 will delete entrys one by one,
*so don't use rtl_cam_reset_all_entry
*or clear all entry here.
*/
rtl_cam_delete_one_entry(hw, mac_addr, key_idx);
break;
default:
RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
("cmd_err:%x!!!!:\n", cmd));
}
out_unlock:
mutex_unlock(&rtlpriv->locks.conf_mutex);
rtlpriv->sec.being_setkey = false;
return err;
}
static int rtl_op_config(struct ieee80211_hw *hw, u32 changed)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_phy *rtlphy = &(rtlpriv->phy);
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
struct ieee80211_conf *conf = &hw->conf;
mutex_lock(&rtlpriv->locks.conf_mutex);
if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) { /*BIT(2)*/
RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
("IEEE80211_CONF_CHANGE_LISTEN_INTERVAL\n"));
}
/*For IPS */
if (changed & IEEE80211_CONF_CHANGE_IDLE) {
if (hw->conf.flags & IEEE80211_CONF_IDLE)
rtl_ips_nic_off(hw);
else
rtl_ips_nic_on(hw);
} else {
/*
*although rfoff may not cause by ips, but we will
*check the reason in set_rf_power_state function
*/
if (unlikely(ppsc->rfpwr_state == ERFOFF))
rtl_ips_nic_on(hw);
}
/*For LPS */
if (changed & IEEE80211_CONF_CHANGE_PS) {
cancel_delayed_work(&rtlpriv->works.ps_work);
cancel_delayed_work(&rtlpriv->works.ps_rfon_wq);
if (conf->flags & IEEE80211_CONF_PS) {
rtlpriv->psc.sw_ps_enabled = true;
/* sleep here is must, or we may recv the beacon and
* cause mac80211 into wrong ps state, this will cause
* power save nullfunc send fail, and further cause
* pkt loss, So sleep must quickly but not immediatly
* because that will cause nullfunc send by mac80211
* fail, and cause pkt loss, we have tested that 5mA
* is worked very well */
if (!rtlpriv->psc.multi_buffered)
queue_delayed_work(rtlpriv->works.rtl_wq,
&rtlpriv->works.ps_work,
MSECS(5));
} else {
rtl_swlps_rf_awake(hw);
rtlpriv->psc.sw_ps_enabled = false;
}
}
if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) {
RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
("IEEE80211_CONF_CHANGE_RETRY_LIMITS %x\n",
hw->conf.long_frame_max_tx_count));
mac->retry_long = hw->conf.long_frame_max_tx_count;
mac->retry_short = hw->conf.long_frame_max_tx_count;
rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RETRY_LIMIT,
(u8 *) (&hw->conf.
long_frame_max_tx_count));
}
if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
struct ieee80211_channel *channel = hw->conf.channel;
u8 wide_chan = (u8) channel->hw_value;
/*
*because we should back channel to
*current_network.chan in in scanning,
*So if set_chan == current_network.chan
*we should set it.
*because mac80211 tell us wrong bw40
*info for cisco1253 bw20, so we modify
*it here based on UPPER & LOWER
*/
switch (hw->conf.channel_type) {
case NL80211_CHAN_HT20:
case NL80211_CHAN_NO_HT:
/* SC */
mac->cur_40_prime_sc =
PRIME_CHNL_OFFSET_DONT_CARE;
rtlphy->current_chan_bw = HT_CHANNEL_WIDTH_20;
mac->bw_40 = false;
break;
case NL80211_CHAN_HT40MINUS:
/* SC */
mac->cur_40_prime_sc = PRIME_CHNL_OFFSET_UPPER;
rtlphy->current_chan_bw =
HT_CHANNEL_WIDTH_20_40;
mac->bw_40 = true;
/*wide channel */
wide_chan -= 2;
break;
case NL80211_CHAN_HT40PLUS:
/* SC */
mac->cur_40_prime_sc = PRIME_CHNL_OFFSET_LOWER;
rtlphy->current_chan_bw =
HT_CHANNEL_WIDTH_20_40;
mac->bw_40 = true;
/*wide channel */
wide_chan += 2;
break;
default:
mac->bw_40 = false;
RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
("switch case not processed\n"));
break;
}
if (wide_chan <= 0)
wide_chan = 1;
/* In scanning, before we go offchannel we may send a ps=1 null
* to AP, and then we may send a ps = 0 null to AP quickly, but
* first null may have caused AP to put lots of packet to hw tx
* buffer. These packets must be tx'd before we go off channel
* so we must delay more time to let AP flush these packets
* before going offchannel, or dis-association or delete BA will
* happen by AP
*/
if (rtlpriv->mac80211.offchan_deley) {
rtlpriv->mac80211.offchan_deley = false;
mdelay(50);
}
rtlphy->current_channel = wide_chan;
rtlpriv->cfg->ops->switch_channel(hw);
rtlpriv->cfg->ops->set_channel_access(hw);
rtlpriv->cfg->ops->set_bw_mode(hw,
hw->conf.channel_type);
}
mutex_unlock(&rtlpriv->locks.conf_mutex);
return 0;
}
static int rtl_op_add_interface(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
int err = 0;
if (mac->vif) {
RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
("vif has been set!! mac->vif = 0x%p\n", mac->vif));
return -EOPNOTSUPP;
}
rtl_ips_nic_on(hw);
mutex_lock(&rtlpriv->locks.conf_mutex);
switch (vif->type) {
case NL80211_IFTYPE_STATION:
if (mac->beacon_enabled == 1) {
RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
("NL80211_IFTYPE_STATION\n"));
mac->beacon_enabled = 0;
rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
rtlpriv->cfg->maps
[RTL_IBSS_INT_MASKS]);
}
break;
case NL80211_IFTYPE_ADHOC:
RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
("NL80211_IFTYPE_ADHOC\n"));
mac->link_state = MAC80211_LINKED;
rtlpriv->cfg->ops->set_bcn_reg(hw);
if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
mac->basic_rates = 0xfff;
else
mac->basic_rates = 0xff0;
rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
(u8 *) (&mac->basic_rates));
break;
case NL80211_IFTYPE_AP:
RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
("NL80211_IFTYPE_AP\n"));
mac->link_state = MAC80211_LINKED;
rtlpriv->cfg->ops->set_bcn_reg(hw);
if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
mac->basic_rates = 0xfff;
else
mac->basic_rates = 0xff0;
rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
(u8 *) (&mac->basic_rates));
break;
default:
RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
("operation mode %d is not support!\n", vif->type));
err = -EOPNOTSUPP;
goto out;
}
mac->vif = vif;
mac->opmode = vif->type;
rtlpriv->cfg->ops->set_network_type(hw, vif->type);
memcpy(mac->mac_addr, vif->addr, ETH_ALEN);
rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ETHER_ADDR, mac->mac_addr);
out:
mutex_unlock(&rtlpriv->locks.conf_mutex);
return err;
}
static int rtl_op_add_interface( struct ieee80211_hw *hw,
struct ieee80211_vif *vif )
{
struct rtl_priv *rtlpriv = rtl_priv( hw );
struct rtl_mac *mac = rtl_mac( rtl_priv( hw ) );
int err = 0;
vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER;
if ( mac->vif ) {
RT_TRACE( rtlpriv, COMP_ERR, DBG_WARNING,
"vif has been set!! mac->vif = 0x%p\n", mac->vif );
return -EOPNOTSUPP;
}
rtl_ips_nic_on( hw );
mutex_lock( &rtlpriv->locks.conf_mutex );
switch ( ieee80211_vif_type_p2p( vif ) ) {
case NL80211_IFTYPE_P2P_CLIENT:
mac->p2p = P2P_ROLE_CLIENT;
/*fall through*/
case NL80211_IFTYPE_STATION:
if ( mac->beacon_enabled == 1 ) {
RT_TRACE( rtlpriv, COMP_MAC80211, DBG_LOUD,
"NL80211_IFTYPE_STATION\n" );
mac->beacon_enabled = 0;
rtlpriv->cfg->ops->update_interrupt_mask( hw, 0,
rtlpriv->cfg->maps
[RTL_IBSS_INT_MASKS] );
}
mac->link_state = MAC80211_LINKED;
break;
case NL80211_IFTYPE_ADHOC:
RT_TRACE( rtlpriv, COMP_MAC80211, DBG_LOUD,
"NL80211_IFTYPE_ADHOC\n" );
mac->link_state = MAC80211_LINKED;
rtlpriv->cfg->ops->set_bcn_reg( hw );
if ( rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G )
mac->basic_rates = 0xfff;
else
mac->basic_rates = 0xff0;
rtlpriv->cfg->ops->set_hw_reg( hw, HW_VAR_BASIC_RATE,
( u8 * ) ( &mac->basic_rates ) );
break;
case NL80211_IFTYPE_P2P_GO:
mac->p2p = P2P_ROLE_GO;
/*fall through*/
case NL80211_IFTYPE_AP:
RT_TRACE( rtlpriv, COMP_MAC80211, DBG_LOUD,
"NL80211_IFTYPE_AP\n" );
mac->link_state = MAC80211_LINKED;
rtlpriv->cfg->ops->set_bcn_reg( hw );
if ( rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G )
mac->basic_rates = 0xfff;
else
mac->basic_rates = 0xff0;
rtlpriv->cfg->ops->set_hw_reg( hw, HW_VAR_BASIC_RATE,
( u8 * ) ( &mac->basic_rates ) );
break;
case NL80211_IFTYPE_MESH_POINT:
RT_TRACE( rtlpriv, COMP_MAC80211, DBG_LOUD,
"NL80211_IFTYPE_MESH_POINT\n" );
mac->link_state = MAC80211_LINKED;
rtlpriv->cfg->ops->set_bcn_reg( hw );
if ( rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G )
mac->basic_rates = 0xfff;
else
mac->basic_rates = 0xff0;
rtlpriv->cfg->ops->set_hw_reg( hw, HW_VAR_BASIC_RATE,
( u8 * )( &mac->basic_rates ) );
break;
default:
RT_TRACE( rtlpriv, COMP_ERR, DBG_EMERG,
"operation mode %d is not supported!\n", vif->type );
err = -EOPNOTSUPP;
goto out;
}
if ( mac->p2p ) {
RT_TRACE( rtlpriv, COMP_MAC80211, DBG_LOUD,
"p2p role %x\n", vif->type );
mac->basic_rates = 0xff0;/*disable cck rate for p2p*/
rtlpriv->cfg->ops->set_hw_reg( hw, HW_VAR_BASIC_RATE,
( u8 * )( &mac->basic_rates ) );
}
mac->vif = vif;
mac->opmode = vif->type;
rtlpriv->cfg->ops->set_network_type( hw, vif->type );
memcpy( mac->mac_addr, vif->addr, ETH_ALEN );
rtlpriv->cfg->ops->set_hw_reg( hw, HW_VAR_ETHER_ADDR, mac->mac_addr );
out:
mutex_unlock( &rtlpriv->locks.conf_mutex );
return err;
}
static int rtl_op_add_interface(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
int err = 0;
if (mac->vif) {
RT_TRACE(COMP_ERR, DBG_WARNING,
("vif has been set!! mac->vif = 0x%p\n", mac->vif));
return -EOPNOTSUPP;
}
/*This flag is not defined before kernel 3.4*/
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0))
vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER;
#endif
rtl_ips_nic_on(hw);
mutex_lock(&rtlpriv->locks.conf_mutex);
/*<delete in kernel start>*/
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
switch (ieee80211_vif_type_p2p(vif)) {
case NL80211_IFTYPE_P2P_CLIENT:
mac->p2p = P2P_ROLE_CLIENT;
/*fall through*/
#else
/*<delete in kernel end>*/
switch (vif->type) {
/*<delete in kernel start>*/
#endif
/*<delete in kernel end>*/
case NL80211_IFTYPE_STATION:
if (mac->beacon_enabled == 1) {
RT_TRACE(COMP_MAC80211, DBG_LOUD,
("NL80211_IFTYPE_STATION \n"));
mac->beacon_enabled = 0;
rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
rtlpriv->cfg->maps[RTL_IBSS_INT_MASKS]);
}
break;
case NL80211_IFTYPE_ADHOC:
RT_TRACE(COMP_MAC80211, DBG_LOUD,
("NL80211_IFTYPE_ADHOC \n"));
mac->link_state = MAC80211_LINKED;
rtlpriv->cfg->ops->set_bcn_reg(hw);
if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
mac->basic_rates = 0xfff;
else
mac->basic_rates = 0xff0;
rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
(u8 *) (&mac->basic_rates));
break;
/*<delete in kernel start>*/
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
case NL80211_IFTYPE_P2P_GO:
mac->p2p = P2P_ROLE_GO;
/*fall through*/
#endif
/*<delete in kernel end>*/
case NL80211_IFTYPE_AP:
RT_TRACE(COMP_MAC80211, DBG_LOUD,
("NL80211_IFTYPE_AP \n"));
mac->link_state = MAC80211_LINKED;
rtlpriv->cfg->ops->set_bcn_reg(hw);
if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
mac->basic_rates = 0xfff;
else
mac->basic_rates = 0xff0;
rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
(u8 *) (&mac->basic_rates));
break;
case NL80211_IFTYPE_MESH_POINT:
RT_TRACE(COMP_MAC80211, DBG_LOUD,
("NL80211_IFTYPE_MESH_POINT \n"));
mac->link_state = MAC80211_LINKED;
rtlpriv->cfg->ops->set_bcn_reg(hw);
if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
mac->basic_rates = 0xfff;
else
mac->basic_rates = 0xff0;
rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
(u8 *) (&mac->basic_rates));
break;
default:
RT_TRACE(COMP_ERR, DBG_EMERG,
("operation mode %d is not support!\n", vif->type));
err = -EOPNOTSUPP;
goto out;
}
#ifdef VIF_TODO
if (!rtl_set_vif_info(hw, vif))
goto out;
#endif
if (mac->p2p) {
RT_TRACE(COMP_MAC80211, DBG_LOUD,
("p2p role %x \n",vif->type));
mac->basic_rates = 0xff0;/*disable cck rate for p2p*/
rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
(u8 *) (&mac->basic_rates));
}
mac->vif = vif;
mac->opmode = vif->type;
rtlpriv->cfg->ops->set_network_type(hw, vif->type);
memcpy(mac->mac_addr, vif->addr, ETH_ALEN);
rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ETHER_ADDR, mac->mac_addr);
out:
mutex_unlock(&rtlpriv->locks.conf_mutex);
return err;
}
static void rtl_op_remove_interface(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
mutex_lock(&rtlpriv->locks.conf_mutex);
/* Free beacon resources */
if ((vif->type == NL80211_IFTYPE_AP) ||
(vif->type == NL80211_IFTYPE_ADHOC) ||
(vif->type == NL80211_IFTYPE_MESH_POINT)) {
if (mac->beacon_enabled == 1) {
mac->beacon_enabled = 0;
rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
rtlpriv->cfg->maps[RTL_IBSS_INT_MASKS]);
}
}
/*
*Note: We assume NL80211_IFTYPE_UNSPECIFIED as
*NO LINK for our hardware.
*/
mac->p2p = 0;
mac->vif = NULL;
mac->link_state = MAC80211_NOLINK;
memset(mac->bssid, 0, 6);
mac->vendor = PEER_UNKNOWN;
mac->opmode = NL80211_IFTYPE_UNSPECIFIED;
rtlpriv->cfg->ops->set_network_type(hw, mac->opmode);
mutex_unlock(&rtlpriv->locks.conf_mutex);
}
/*<delete in kernel start>*/
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
/*<delete in kernel end>*/
static int rtl_op_change_interface(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
enum nl80211_iftype new_type, bool p2p)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
int ret;
rtl_op_remove_interface(hw, vif);
vif->type = new_type;
vif->p2p = p2p;
ret = rtl_op_add_interface(hw, vif);
RT_TRACE(COMP_MAC80211, DBG_LOUD,
(" p2p %x\n",p2p));
return ret;
}
/*<delete in kernel start>*/
#endif
/*<delete in kernel end>*/
static int rtl_op_config(struct ieee80211_hw *hw, u32 changed)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_phy *rtlphy = &(rtlpriv->phy);
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
struct ieee80211_conf *conf = &hw->conf;
if (mac->skip_scan)
return 1;
mutex_lock(&rtlpriv->locks.conf_mutex);
if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) { /* BIT(2) */
RT_TRACE(COMP_MAC80211, DBG_LOUD,
("IEEE80211_CONF_CHANGE_LISTEN_INTERVAL\n"));
}
/*For IPS */
if (changed & IEEE80211_CONF_CHANGE_IDLE) {
if (hw->conf.flags & IEEE80211_CONF_IDLE)
rtl_ips_nic_off(hw);
else
rtl_ips_nic_on(hw);
} else {
/*
*although rfoff may not cause by ips, but we will
*check the reason in set_rf_power_state function
*/
if (unlikely(ppsc->rfpwr_state == ERFOFF))
rtl_ips_nic_on(hw);
}
/*For LPS */
if (changed & IEEE80211_CONF_CHANGE_PS) {
cancel_delayed_work(&rtlpriv->works.ps_work);
cancel_delayed_work(&rtlpriv->works.ps_rfon_wq);
if (conf->flags & IEEE80211_CONF_PS) {
rtlpriv->psc.sw_ps_enabled = true;
/* sleep here is must, or we may recv the beacon and
* cause mac80211 into wrong ps state, this will cause
* power save nullfunc send fail, and further cause
* pkt loss, So sleep must quickly but not immediatly
* because that will cause nullfunc send by mac80211
* fail, and cause pkt loss, we have tested that 5mA
* is worked very well */
if (!rtlpriv->psc.multi_buffered)
queue_delayed_work(rtlpriv->works.rtl_wq,
&rtlpriv->works.ps_work,
MSECS(5));
} else {
rtl_swlps_rf_awake(hw);
rtlpriv->psc.sw_ps_enabled = false;
}
}
if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) {
RT_TRACE(COMP_MAC80211, DBG_LOUD,
("IEEE80211_CONF_CHANGE_RETRY_LIMITS %x\n",
hw->conf.long_frame_max_tx_count));
mac->retry_long = hw->conf.long_frame_max_tx_count;
mac->retry_short = hw->conf.long_frame_max_tx_count;
rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RETRY_LIMIT,
(u8 *) (&hw->conf.long_frame_max_tx_count));
}
if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,10,0))
struct ieee80211_channel *channel = hw->conf.chandef.chan;
enum nl80211_channel_type channel_type =
cfg80211_get_chandef_type(&(hw->conf.chandef));
#else
struct ieee80211_channel *channel = hw->conf.channel;
enum nl80211_channel_type channel_type = hw->conf.channel_type;
#endif
u8 wide_chan = (u8) channel->hw_value;
if (mac->act_scanning)
mac->n_channels++;
if (rtlpriv->dm.supp_phymode_switch &&
mac->link_state < MAC80211_LINKED &&
!mac->act_scanning) {
if (rtlpriv->cfg->ops->check_switch_to_dmdp)
rtlpriv->cfg->ops->check_switch_to_dmdp(hw);
}
/*
*because we should back channel to
*current_network.chan in in scanning,
*So if set_chan == current_network.chan
*we should set it.
*because mac80211 tell us wrong bw40
*info for cisco1253 bw20, so we modify
*it here based on UPPER & LOWER
*/
switch (channel_type) {
case NL80211_CHAN_HT20:
case NL80211_CHAN_NO_HT:
/* SC */
mac->cur_40_prime_sc =
PRIME_CHNL_OFFSET_DONT_CARE;
rtlphy->current_chan_bw = HT_CHANNEL_WIDTH_20;
mac->bw_40 = false;
break;
case NL80211_CHAN_HT40MINUS:
/* SC */
mac->cur_40_prime_sc = PRIME_CHNL_OFFSET_UPPER;
rtlphy->current_chan_bw =
HT_CHANNEL_WIDTH_20_40;
mac->bw_40 = true;
/*wide channel */
wide_chan -= 2;
break;
case NL80211_CHAN_HT40PLUS:
/* SC */
mac->cur_40_prime_sc = PRIME_CHNL_OFFSET_LOWER;
rtlphy->current_chan_bw =
HT_CHANNEL_WIDTH_20_40;
mac->bw_40 = true;
/*wide channel */
wide_chan += 2;
break;
default:
mac->bw_40 = false;
RT_TRACE(COMP_ERR, DBG_EMERG,
("switch case not processed \n"));
break;
}
if (wide_chan <= 0)
wide_chan = 1;
/* in scanning, when before we offchannel we may send a ps=1
* null to AP, and then we may send a ps = 0 null to AP quickly,
* but first null have cause AP's put lots of packet to hw tx
* buffer, these packet must be tx before off channel so we must
* delay more time to let AP flush these packets before
* offchannel, or dis-association or delete BA will happen by AP
*/
if (rtlpriv->mac80211.offchan_deley) {
rtlpriv->mac80211.offchan_deley = false;
mdelay(50);
}
rtlphy->current_channel = wide_chan;
rtlpriv->cfg->ops->switch_channel(hw);
rtlpriv->cfg->ops->set_channel_access(hw);
rtlpriv->cfg->ops->set_bw_mode(hw,
channel_type);
}
mutex_unlock(&rtlpriv->locks.conf_mutex);
return 0;
}
static void rtl_op_configure_filter(struct ieee80211_hw *hw,
unsigned int changed_flags,
unsigned int *new_flags, u64 multicast)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
*new_flags &= RTL_SUPPORTED_FILTERS;
if (0 == changed_flags)
return;
/*TODO: we disable broadcase now, so enable here */
if (changed_flags & FIF_ALLMULTI) {
if (*new_flags & FIF_ALLMULTI) {
mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AM] |
rtlpriv->cfg->maps[MAC_RCR_AB];
RT_TRACE(COMP_MAC80211, DBG_LOUD,
("Enable receive multicast frame.\n"));
} else {
mac->rx_conf &= ~(rtlpriv->cfg->maps[MAC_RCR_AM] |
rtlpriv->cfg->maps[MAC_RCR_AB]);
RT_TRACE(COMP_MAC80211, DBG_LOUD,
("Disable receive multicast frame.\n"));
}
}
if (changed_flags & FIF_FCSFAIL) {
if (*new_flags & FIF_FCSFAIL) {
mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACRC32];
RT_TRACE(COMP_MAC80211, DBG_LOUD,
("Enable receive FCS error frame.\n"));
} else {
mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACRC32];
RT_TRACE(COMP_MAC80211, DBG_LOUD,
("Disable receive FCS error frame.\n"));
}
}
/* if ssid not set to hw don't check bssid
* here just used for linked scanning, & linked
* and nolink check bssid is set in set network_type */
if ((changed_flags & FIF_BCN_PRBRESP_PROMISC) &&
(mac->link_state >= MAC80211_LINKED)) {
if (mac->opmode != NL80211_IFTYPE_AP &&
mac->opmode != NL80211_IFTYPE_MESH_POINT) {
if (*new_flags & FIF_BCN_PRBRESP_PROMISC) {
rtlpriv->cfg->ops->set_chk_bssid(hw, false);
} else {
rtlpriv->cfg->ops->set_chk_bssid(hw, true);
}
}
}
if (changed_flags & FIF_CONTROL) {
if (*new_flags & FIF_CONTROL) {
mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACF];
RT_TRACE(COMP_MAC80211, DBG_LOUD,
("Enable receive control frame.\n"));
} else {
mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACF];
RT_TRACE(COMP_MAC80211, DBG_LOUD,
("Disable receive control frame.\n"));
}
}
if (changed_flags & FIF_OTHER_BSS) {
if (*new_flags & FIF_OTHER_BSS) {
mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AAP];
RT_TRACE(COMP_MAC80211, DBG_LOUD,
("Enable receive other BSS's frame.\n"));
} else {
mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_AAP];
RT_TRACE(COMP_MAC80211, DBG_LOUD,
("Disable receive other BSS's frame.\n"));
}
}
}
static int rtl_op_sta_add(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_hal *rtlhal= rtl_hal(rtl_priv(hw));
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
struct rtl_sta_info *sta_entry;
if (sta) {
sta_entry = (struct rtl_sta_info *) sta->drv_priv;
spin_lock_bh(&rtlpriv->locks.entry_list_lock);
list_add_tail(&sta_entry->list, &rtlpriv->entry_list);
spin_unlock_bh(&rtlpriv->locks.entry_list_lock);
if (rtlhal->current_bandtype == BAND_ON_2_4G) {
sta_entry->wireless_mode = WIRELESS_MODE_G;
if (sta->supp_rates[0] <= 0xf)
sta_entry->wireless_mode = WIRELESS_MODE_B;
if (sta->ht_cap.ht_supported == true)
sta_entry->wireless_mode = WIRELESS_MODE_N_24G;
if (vif->type == NL80211_IFTYPE_ADHOC)
sta_entry->wireless_mode = WIRELESS_MODE_G;
} else if (rtlhal->current_bandtype == BAND_ON_5G) {
sta_entry->wireless_mode = WIRELESS_MODE_A;
if (sta->ht_cap.ht_supported == true)
sta_entry->wireless_mode = WIRELESS_MODE_N_24G;
if (vif->type == NL80211_IFTYPE_ADHOC)
sta_entry->wireless_mode = WIRELESS_MODE_A;
}
/*disable cck rate for p2p*/
if (mac->p2p)
sta->supp_rates[0] &= 0xfffffff0;
memcpy(sta_entry->mac_addr, sta->addr, ETH_ALEN);
RT_TRACE(COMP_MAC80211, DBG_DMESG,
("Add sta addr is %pM\n",sta->addr));
rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0);
}
return 0;
}
static int rtl_op_sta_remove(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_sta_info *sta_entry;
if (sta) {
RT_TRACE(COMP_MAC80211, DBG_DMESG,
("Remove sta addr is %pM\n",sta->addr));
sta_entry = (struct rtl_sta_info *) sta->drv_priv;
sta_entry->wireless_mode = 0;
sta_entry->ratr_index = 0;
spin_lock_bh(&rtlpriv->locks.entry_list_lock);
list_del(&sta_entry->list);
spin_unlock_bh(&rtlpriv->locks.entry_list_lock);
}
return 0;
}
static int _rtl_get_hal_qnum(u16 queue)
{
int qnum;
switch (queue) {
case 0:
qnum = AC3_VO;
break;
case 1:
qnum = AC2_VI;
break;
case 2:
qnum = AC0_BE;
break;
case 3:
qnum = AC1_BK;
break;
default:
qnum = AC0_BE;
break;
}
return qnum;
}
