// SPDX-License-Identifier: GPL-2.0
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/*
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* Driver for KeyStream wireless LAN cards.
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*
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* Copyright (C) 2005-2008 KeyStream Corp.
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* Copyright (C) 2009 Renesas Technology Corp.
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*/
|
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#include <crypto/hash.h>
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#include <linux/circ_buf.h>
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#include <linux/if_arp.h>
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#include <net/iw_handler.h>
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#include <uapi/linux/llc.h>
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#include "eap_packet.h"
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#include "ks_wlan.h"
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#include "ks_hostif.h"
|
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#define MICHAEL_MIC_KEY_LEN 8
|
#define MICHAEL_MIC_LEN 8
|
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static inline void inc_smeqhead(struct ks_wlan_private *priv)
|
{
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priv->sme_i.qhead = (priv->sme_i.qhead + 1) % SME_EVENT_BUFF_SIZE;
|
}
|
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static inline void inc_smeqtail(struct ks_wlan_private *priv)
|
{
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priv->sme_i.qtail = (priv->sme_i.qtail + 1) % SME_EVENT_BUFF_SIZE;
|
}
|
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static inline unsigned int cnt_smeqbody(struct ks_wlan_private *priv)
|
{
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return CIRC_CNT_TO_END(priv->sme_i.qhead, priv->sme_i.qtail,
|
SME_EVENT_BUFF_SIZE);
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}
|
|
static inline u8 get_byte(struct ks_wlan_private *priv)
|
{
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u8 data;
|
|
data = *priv->rxp++;
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/* length check in advance ! */
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--(priv->rx_size);
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return data;
|
}
|
|
static inline u16 get_word(struct ks_wlan_private *priv)
|
{
|
u16 data;
|
|
data = (get_byte(priv) & 0xff);
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data |= ((get_byte(priv) << 8) & 0xff00);
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return data;
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}
|
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static inline u32 get_dword(struct ks_wlan_private *priv)
|
{
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u32 data;
|
|
data = (get_byte(priv) & 0xff);
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data |= ((get_byte(priv) << 8) & 0x0000ff00);
|
data |= ((get_byte(priv) << 16) & 0x00ff0000);
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data |= ((get_byte(priv) << 24) & 0xff000000);
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return data;
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}
|
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static void ks_wlan_hw_wakeup_task(struct work_struct *work)
|
{
|
struct ks_wlan_private *priv;
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int ps_status;
|
long time_left;
|
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priv = container_of(work, struct ks_wlan_private, wakeup_work);
|
ps_status = atomic_read(&priv->psstatus.status);
|
|
if (ps_status == PS_SNOOZE) {
|
ks_wlan_hw_wakeup_request(priv);
|
time_left = wait_for_completion_interruptible_timeout(
|
&priv->psstatus.wakeup_wait,
|
msecs_to_jiffies(20));
|
if (time_left <= 0) {
|
netdev_dbg(priv->net_dev, "wake up timeout or interrupted !!!\n");
|
schedule_work(&priv->wakeup_work);
|
return;
|
}
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}
|
|
/* power save */
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if (atomic_read(&priv->sme_task.count) > 0)
|
tasklet_enable(&priv->sme_task);
|
}
|
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static void ks_wlan_do_power_save(struct ks_wlan_private *priv)
|
{
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if (is_connect_status(priv->connect_status))
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hostif_sme_enqueue(priv, SME_POW_MNGMT_REQUEST);
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else
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priv->dev_state = DEVICE_STATE_READY;
|
}
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|
static
|
int get_current_ap(struct ks_wlan_private *priv, struct link_ap_info *ap_info)
|
{
|
struct local_ap *ap;
|
union iwreq_data wrqu;
|
struct net_device *netdev = priv->net_dev;
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u8 size;
|
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ap = &priv->current_ap;
|
|
if (is_disconnect_status(priv->connect_status)) {
|
memset(ap, 0, sizeof(struct local_ap));
|
return -EPERM;
|
}
|
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ether_addr_copy(ap->bssid, ap_info->bssid);
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memcpy(ap->ssid.body, priv->reg.ssid.body,
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priv->reg.ssid.size);
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ap->ssid.size = priv->reg.ssid.size;
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memcpy(ap->rate_set.body, ap_info->rate_set.body,
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ap_info->rate_set.size);
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ap->rate_set.size = ap_info->rate_set.size;
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if (ap_info->ext_rate_set.size != 0) {
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memcpy(&ap->rate_set.body[ap->rate_set.size],
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ap_info->ext_rate_set.body,
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ap_info->ext_rate_set.size);
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ap->rate_set.size += ap_info->ext_rate_set.size;
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}
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ap->channel = ap_info->ds_parameter.channel;
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ap->rssi = ap_info->rssi;
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ap->sq = ap_info->sq;
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ap->noise = ap_info->noise;
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ap->capability = le16_to_cpu(ap_info->capability);
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size = (ap_info->rsn.size <= RSN_IE_BODY_MAX) ?
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ap_info->rsn.size : RSN_IE_BODY_MAX;
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if ((ap_info->rsn_mode & RSN_MODE_WPA2) &&
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(priv->wpa.version == IW_AUTH_WPA_VERSION_WPA2)) {
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ap->rsn_ie.id = RSN_INFO_ELEM_ID;
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ap->rsn_ie.size = size;
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memcpy(ap->rsn_ie.body, ap_info->rsn.body, size);
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} else if ((ap_info->rsn_mode & RSN_MODE_WPA) &&
|
(priv->wpa.version == IW_AUTH_WPA_VERSION_WPA)) {
|
ap->wpa_ie.id = WPA_INFO_ELEM_ID;
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ap->wpa_ie.size = size;
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memcpy(ap->wpa_ie.body, ap_info->rsn.body, size);
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} else {
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ap->rsn_ie.id = 0;
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ap->rsn_ie.size = 0;
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ap->wpa_ie.id = 0;
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ap->wpa_ie.size = 0;
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}
|
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wrqu.data.length = 0;
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wrqu.data.flags = 0;
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wrqu.ap_addr.sa_family = ARPHRD_ETHER;
|
if (is_connect_status(priv->connect_status)) {
|
ether_addr_copy(wrqu.ap_addr.sa_data, priv->current_ap.bssid);
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netdev_dbg(priv->net_dev,
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"IWEVENT: connect bssid=%pM\n",
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wrqu.ap_addr.sa_data);
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wireless_send_event(netdev, SIOCGIWAP, &wrqu, NULL);
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}
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netdev_dbg(priv->net_dev, "Link AP\n"
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"- bssid=%pM\n"
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"- essid=%s\n"
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"- rate_set=%02X,%02X,%02X,%02X,%02X,%02X,%02X,%02X\n"
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"- channel=%d\n"
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"- rssi=%d\n"
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"- sq=%d\n"
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"- capability=%04X\n"
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"- rsn.mode=%d\n"
|
"- rsn.size=%d\n"
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"- ext_rate_set_size=%d\n"
|
"- rate_set_size=%d\n",
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ap->bssid,
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&ap->ssid.body[0],
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ap->rate_set.body[0], ap->rate_set.body[1],
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ap->rate_set.body[2], ap->rate_set.body[3],
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ap->rate_set.body[4], ap->rate_set.body[5],
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ap->rate_set.body[6], ap->rate_set.body[7],
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ap->channel, ap->rssi, ap->sq, ap->capability,
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ap_info->rsn_mode, ap_info->rsn.size,
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ap_info->ext_rate_set.size, ap_info->rate_set.size);
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return 0;
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}
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static u8 read_ie(unsigned char *bp, u8 max, u8 *body)
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{
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u8 size = (*(bp + 1) <= max) ? *(bp + 1) : max;
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memcpy(body, bp + 2, size);
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return size;
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}
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static int
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michael_mic(u8 *key, u8 *data, unsigned int len, u8 priority, u8 *result)
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{
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u8 pad_data[4] = { priority, 0, 0, 0 };
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struct crypto_shash *tfm = NULL;
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struct shash_desc *desc = NULL;
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int ret;
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tfm = crypto_alloc_shash("michael_mic", 0, 0);
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if (IS_ERR(tfm)) {
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ret = PTR_ERR(tfm);
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goto err;
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}
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ret = crypto_shash_setkey(tfm, key, MICHAEL_MIC_KEY_LEN);
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if (ret < 0)
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goto err_free_tfm;
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desc = kmalloc(sizeof(*desc) + crypto_shash_descsize(tfm), GFP_KERNEL);
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if (!desc) {
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ret = -ENOMEM;
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goto err_free_tfm;
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}
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desc->tfm = tfm;
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ret = crypto_shash_init(desc);
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if (ret < 0)
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goto err_free_desc;
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// Compute the MIC value
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/*
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* IEEE802.11i page 47
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* Figure 43g TKIP MIC processing format
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* +--+--+--------+--+----+--+--+--+--+--+--+--+--+
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* |6 |6 |1 |3 |M |1 |1 |1 |1 |1 |1 |1 |1 | Octet
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* +--+--+--------+--+----+--+--+--+--+--+--+--+--+
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* |DA|SA|Priority|0 |Data|M0|M1|M2|M3|M4|M5|M6|M7|
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* +--+--+--------+--+----+--+--+--+--+--+--+--+--+
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*/
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ret = crypto_shash_update(desc, data, 12);
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if (ret < 0)
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goto err_free_desc;
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ret = crypto_shash_update(desc, pad_data, 4);
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if (ret < 0)
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goto err_free_desc;
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ret = crypto_shash_finup(desc, data + 12, len - 12, result);
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err_free_desc:
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kfree_sensitive(desc);
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err_free_tfm:
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crypto_free_shash(tfm);
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err:
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return ret;
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}
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static
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int get_ap_information(struct ks_wlan_private *priv, struct ap_info *ap_info,
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struct local_ap *ap)
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{
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unsigned char *bp;
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int bsize, offset;
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memset(ap, 0, sizeof(struct local_ap));
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ether_addr_copy(ap->bssid, ap_info->bssid);
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ap->rssi = ap_info->rssi;
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ap->sq = ap_info->sq;
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ap->noise = ap_info->noise;
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ap->capability = le16_to_cpu(ap_info->capability);
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ap->channel = ap_info->ch_info;
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bp = ap_info->body;
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bsize = le16_to_cpu(ap_info->body_size);
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offset = 0;
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while (bsize > offset) {
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switch (*bp) { /* Information Element ID */
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case WLAN_EID_SSID:
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ap->ssid.size = read_ie(bp, IEEE80211_MAX_SSID_LEN,
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ap->ssid.body);
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break;
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case WLAN_EID_SUPP_RATES:
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case WLAN_EID_EXT_SUPP_RATES:
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if ((*(bp + 1) + ap->rate_set.size) <=
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RATE_SET_MAX_SIZE) {
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memcpy(&ap->rate_set.body[ap->rate_set.size],
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bp + 2, *(bp + 1));
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ap->rate_set.size += *(bp + 1);
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} else {
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memcpy(&ap->rate_set.body[ap->rate_set.size],
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bp + 2,
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RATE_SET_MAX_SIZE - ap->rate_set.size);
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ap->rate_set.size +=
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(RATE_SET_MAX_SIZE - ap->rate_set.size);
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}
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break;
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case WLAN_EID_RSN:
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ap->rsn_ie.id = *bp;
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ap->rsn_ie.size = read_ie(bp, RSN_IE_BODY_MAX,
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ap->rsn_ie.body);
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break;
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case WLAN_EID_VENDOR_SPECIFIC: /* WPA */
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/* WPA OUI check */
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if (memcmp(bp + 2, CIPHER_ID_WPA_WEP40, 4) == 0) {
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ap->wpa_ie.id = *bp;
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ap->wpa_ie.size = read_ie(bp, RSN_IE_BODY_MAX,
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ap->wpa_ie.body);
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}
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break;
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case WLAN_EID_DS_PARAMS:
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case WLAN_EID_FH_PARAMS:
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case WLAN_EID_CF_PARAMS:
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case WLAN_EID_TIM:
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case WLAN_EID_IBSS_PARAMS:
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case WLAN_EID_COUNTRY:
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case WLAN_EID_ERP_INFO:
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break;
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default:
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netdev_err(priv->net_dev,
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"unknown Element ID=%d\n", *bp);
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break;
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}
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offset += 2; /* id & size field */
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offset += *(bp + 1); /* +size offset */
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bp += (*(bp + 1) + 2); /* pointer update */
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}
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return 0;
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}
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static
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int hostif_data_indication_wpa(struct ks_wlan_private *priv,
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unsigned short auth_type)
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{
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struct ether_hdr *eth_hdr;
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unsigned short eth_proto;
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unsigned char recv_mic[MICHAEL_MIC_LEN];
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char buf[128];
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unsigned long now;
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struct mic_failure *mic_failure;
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u8 mic[MICHAEL_MIC_LEN];
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union iwreq_data wrqu;
|
unsigned int key_index = auth_type - 1;
|
struct wpa_key *key = &priv->wpa.key[key_index];
|
|
eth_hdr = (struct ether_hdr *)(priv->rxp);
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eth_proto = ntohs(eth_hdr->h_proto);
|
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if (eth_hdr->h_dest_snap != eth_hdr->h_source_snap) {
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netdev_err(priv->net_dev, "invalid data format\n");
|
priv->nstats.rx_errors++;
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return -EINVAL;
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}
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if (((auth_type == TYPE_PMK1 &&
|
priv->wpa.pairwise_suite == IW_AUTH_CIPHER_TKIP) ||
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(auth_type == TYPE_GMK1 &&
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priv->wpa.group_suite == IW_AUTH_CIPHER_TKIP) ||
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(auth_type == TYPE_GMK2 &&
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priv->wpa.group_suite == IW_AUTH_CIPHER_TKIP)) &&
|
key->key_len) {
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int ret;
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|
netdev_dbg(priv->net_dev, "TKIP: protocol=%04X: size=%u\n",
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eth_proto, priv->rx_size);
|
/* MIC save */
|
memcpy(&recv_mic[0],
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(priv->rxp) + ((priv->rx_size) - sizeof(recv_mic)),
|
sizeof(recv_mic));
|
priv->rx_size = priv->rx_size - sizeof(recv_mic);
|
|
ret = michael_mic(key->rx_mic_key, priv->rxp, priv->rx_size,
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0, mic);
|
if (ret < 0)
|
return ret;
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if (memcmp(mic, recv_mic, sizeof(mic)) != 0) {
|
now = jiffies;
|
mic_failure = &priv->wpa.mic_failure;
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/* MIC FAILURE */
|
if (mic_failure->last_failure_time &&
|
(now - mic_failure->last_failure_time) / HZ >= 60) {
|
mic_failure->failure = 0;
|
}
|
netdev_err(priv->net_dev, "MIC FAILURE\n");
|
if (mic_failure->failure == 0) {
|
mic_failure->failure = 1;
|
mic_failure->counter = 0;
|
} else if (mic_failure->failure == 1) {
|
mic_failure->failure = 2;
|
mic_failure->counter =
|
(u16)((now - mic_failure->last_failure_time) / HZ);
|
/* range 1-60 */
|
if (!mic_failure->counter)
|
mic_failure->counter = 1;
|
}
|
priv->wpa.mic_failure.last_failure_time = now;
|
|
/* needed parameters: count, keyid, key type, TSC */
|
sprintf(buf,
|
"MLME-MICHAELMICFAILURE.indication(keyid=%d %scast addr=%pM)",
|
key_index,
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eth_hdr->h_dest[0] & 0x01 ? "broad" : "uni",
|
eth_hdr->h_source);
|
memset(&wrqu, 0, sizeof(wrqu));
|
wrqu.data.length = strlen(buf);
|
wireless_send_event(priv->net_dev, IWEVCUSTOM, &wrqu,
|
buf);
|
return -EINVAL;
|
}
|
}
|
return 0;
|
}
|
|
static
|
void hostif_data_indication(struct ks_wlan_private *priv)
|
{
|
unsigned int rx_ind_size; /* indicate data size */
|
struct sk_buff *skb;
|
u16 auth_type;
|
unsigned char temp[256];
|
struct ether_hdr *eth_hdr;
|
struct ieee802_1x_hdr *aa1x_hdr;
|
size_t size;
|
int ret;
|
|
/* min length check */
|
if (priv->rx_size <= ETH_HLEN) {
|
priv->nstats.rx_errors++;
|
return;
|
}
|
|
auth_type = get_word(priv); /* AuthType */
|
get_word(priv); /* Reserve Area */
|
|
eth_hdr = (struct ether_hdr *)(priv->rxp);
|
|
/* source address check */
|
if (ether_addr_equal(&priv->eth_addr[0], eth_hdr->h_source)) {
|
netdev_err(priv->net_dev, "invalid : source is own mac address !!\n");
|
netdev_err(priv->net_dev, "eth_hdrernet->h_dest=%pM\n", eth_hdr->h_source);
|
priv->nstats.rx_errors++;
|
return;
|
}
|
|
/* for WPA */
|
if (auth_type != TYPE_DATA && priv->wpa.rsn_enabled) {
|
ret = hostif_data_indication_wpa(priv, auth_type);
|
if (ret)
|
return;
|
}
|
|
if ((priv->connect_status & FORCE_DISCONNECT) ||
|
priv->wpa.mic_failure.failure == 2) {
|
return;
|
}
|
|
/* check 13th byte at rx data */
|
switch (*(priv->rxp + 12)) {
|
case LLC_SAP_SNAP:
|
rx_ind_size = priv->rx_size - 6;
|
skb = dev_alloc_skb(rx_ind_size);
|
if (!skb) {
|
priv->nstats.rx_dropped++;
|
return;
|
}
|
netdev_dbg(priv->net_dev, "SNAP, rx_ind_size = %d\n",
|
rx_ind_size);
|
|
size = ETH_ALEN * 2;
|
skb_put_data(skb, priv->rxp, size);
|
|
/* (SNAP+UI..) skip */
|
|
size = rx_ind_size - (ETH_ALEN * 2);
|
skb_put_data(skb, ð_hdr->h_proto, size);
|
|
aa1x_hdr = (struct ieee802_1x_hdr *)(priv->rxp + ETHER_HDR_SIZE);
|
break;
|
case LLC_SAP_NETBEUI:
|
rx_ind_size = (priv->rx_size + 2);
|
skb = dev_alloc_skb(rx_ind_size);
|
if (!skb) {
|
priv->nstats.rx_dropped++;
|
return;
|
}
|
netdev_dbg(priv->net_dev, "NETBEUI/NetBIOS rx_ind_size=%d\n",
|
rx_ind_size);
|
|
/* 8802/FDDI MAC copy */
|
skb_put_data(skb, priv->rxp, 12);
|
|
/* NETBEUI size add */
|
temp[0] = (((rx_ind_size - 12) >> 8) & 0xff);
|
temp[1] = ((rx_ind_size - 12) & 0xff);
|
skb_put_data(skb, temp, 2);
|
|
/* copy after Type */
|
skb_put_data(skb, priv->rxp + 12, rx_ind_size - 14);
|
|
aa1x_hdr = (struct ieee802_1x_hdr *)(priv->rxp + 14);
|
break;
|
default: /* other rx data */
|
netdev_err(priv->net_dev, "invalid data format\n");
|
priv->nstats.rx_errors++;
|
return;
|
}
|
|
if (aa1x_hdr->type == IEEE802_1X_TYPE_EAPOL_KEY &&
|
priv->wpa.rsn_enabled)
|
atomic_set(&priv->psstatus.snooze_guard, 1);
|
|
/* rx indication */
|
skb->dev = priv->net_dev;
|
skb->protocol = eth_type_trans(skb, skb->dev);
|
priv->nstats.rx_packets++;
|
priv->nstats.rx_bytes += rx_ind_size;
|
netif_rx(skb);
|
}
|
|
static
|
void hostif_mib_get_confirm(struct ks_wlan_private *priv)
|
{
|
struct net_device *dev = priv->net_dev;
|
u32 mib_status;
|
u32 mib_attribute;
|
u16 mib_val_size;
|
u16 mib_val_type;
|
|
mib_status = get_dword(priv);
|
mib_attribute = get_dword(priv);
|
mib_val_size = get_word(priv);
|
mib_val_type = get_word(priv);
|
|
if (mib_status) {
|
netdev_err(priv->net_dev, "attribute=%08X, status=%08X\n",
|
mib_attribute, mib_status);
|
return;
|
}
|
|
switch (mib_attribute) {
|
case DOT11_MAC_ADDRESS:
|
hostif_sme_enqueue(priv, SME_GET_MAC_ADDRESS);
|
ether_addr_copy(priv->eth_addr, priv->rxp);
|
priv->mac_address_valid = true;
|
ether_addr_copy(dev->dev_addr, priv->eth_addr);
|
netdev_info(dev, "MAC ADDRESS = %pM\n", priv->eth_addr);
|
break;
|
case DOT11_PRODUCT_VERSION:
|
priv->version_size = priv->rx_size;
|
memcpy(priv->firmware_version, priv->rxp, priv->rx_size);
|
priv->firmware_version[priv->rx_size] = '\0';
|
netdev_info(dev, "firmware ver. = %s\n",
|
priv->firmware_version);
|
hostif_sme_enqueue(priv, SME_GET_PRODUCT_VERSION);
|
/* wake_up_interruptible_all(&priv->confirm_wait); */
|
complete(&priv->confirm_wait);
|
break;
|
case LOCAL_GAIN:
|
memcpy(&priv->gain, priv->rxp, sizeof(priv->gain));
|
netdev_dbg(priv->net_dev, "tx_mode=%d, rx_mode=%d, tx_gain=%d, rx_gain=%d\n",
|
priv->gain.tx_mode, priv->gain.rx_mode,
|
priv->gain.tx_gain, priv->gain.rx_gain);
|
break;
|
case LOCAL_EEPROM_SUM:
|
memcpy(&priv->eeprom_sum, priv->rxp, sizeof(priv->eeprom_sum));
|
if (priv->eeprom_sum.type != 0 &&
|
priv->eeprom_sum.type != 1) {
|
netdev_err(dev, "LOCAL_EEPROM_SUM error!\n");
|
return;
|
}
|
priv->eeprom_checksum = (priv->eeprom_sum.type == 0) ?
|
EEPROM_CHECKSUM_NONE :
|
(priv->eeprom_sum.result == 0) ?
|
EEPROM_NG : EEPROM_OK;
|
break;
|
default:
|
netdev_err(priv->net_dev, "mib_attribute=%08x\n",
|
(unsigned int)mib_attribute);
|
break;
|
}
|
}
|
|
static
|
void hostif_mib_set_confirm(struct ks_wlan_private *priv)
|
{
|
u32 mib_status;
|
u32 mib_attribute;
|
|
mib_status = get_dword(priv);
|
mib_attribute = get_dword(priv);
|
|
if (mib_status) {
|
/* in case of error */
|
netdev_err(priv->net_dev, "error :: attribute=%08X, status=%08X\n",
|
mib_attribute, mib_status);
|
}
|
|
switch (mib_attribute) {
|
case DOT11_RTS_THRESHOLD:
|
hostif_sme_enqueue(priv, SME_RTS_THRESHOLD_CONFIRM);
|
break;
|
case DOT11_FRAGMENTATION_THRESHOLD:
|
hostif_sme_enqueue(priv, SME_FRAGMENTATION_THRESHOLD_CONFIRM);
|
break;
|
case DOT11_WEP_DEFAULT_KEY_ID:
|
if (!priv->wpa.wpa_enabled)
|
hostif_sme_enqueue(priv, SME_WEP_INDEX_CONFIRM);
|
break;
|
case DOT11_WEP_DEFAULT_KEY_VALUE1:
|
if (priv->wpa.rsn_enabled)
|
hostif_sme_enqueue(priv, SME_SET_PMK_TSC);
|
else
|
hostif_sme_enqueue(priv, SME_WEP_KEY1_CONFIRM);
|
break;
|
case DOT11_WEP_DEFAULT_KEY_VALUE2:
|
if (priv->wpa.rsn_enabled)
|
hostif_sme_enqueue(priv, SME_SET_GMK1_TSC);
|
else
|
hostif_sme_enqueue(priv, SME_WEP_KEY2_CONFIRM);
|
break;
|
case DOT11_WEP_DEFAULT_KEY_VALUE3:
|
if (priv->wpa.rsn_enabled)
|
hostif_sme_enqueue(priv, SME_SET_GMK2_TSC);
|
else
|
hostif_sme_enqueue(priv, SME_WEP_KEY3_CONFIRM);
|
break;
|
case DOT11_WEP_DEFAULT_KEY_VALUE4:
|
if (!priv->wpa.rsn_enabled)
|
hostif_sme_enqueue(priv, SME_WEP_KEY4_CONFIRM);
|
break;
|
case DOT11_PRIVACY_INVOKED:
|
if (!priv->wpa.rsn_enabled)
|
hostif_sme_enqueue(priv, SME_WEP_FLAG_CONFIRM);
|
break;
|
case DOT11_RSN_ENABLED:
|
hostif_sme_enqueue(priv, SME_RSN_ENABLED_CONFIRM);
|
break;
|
case LOCAL_RSN_MODE:
|
hostif_sme_enqueue(priv, SME_RSN_MODE_CONFIRM);
|
break;
|
case LOCAL_MULTICAST_ADDRESS:
|
hostif_sme_enqueue(priv, SME_MULTICAST_REQUEST);
|
break;
|
case LOCAL_MULTICAST_FILTER:
|
hostif_sme_enqueue(priv, SME_MULTICAST_CONFIRM);
|
break;
|
case LOCAL_CURRENTADDRESS:
|
priv->mac_address_valid = true;
|
break;
|
case DOT11_RSN_CONFIG_MULTICAST_CIPHER:
|
hostif_sme_enqueue(priv, SME_RSN_MCAST_CONFIRM);
|
break;
|
case DOT11_RSN_CONFIG_UNICAST_CIPHER:
|
hostif_sme_enqueue(priv, SME_RSN_UCAST_CONFIRM);
|
break;
|
case DOT11_RSN_CONFIG_AUTH_SUITE:
|
hostif_sme_enqueue(priv, SME_RSN_AUTH_CONFIRM);
|
break;
|
case DOT11_GMK1_TSC:
|
if (atomic_read(&priv->psstatus.snooze_guard))
|
atomic_set(&priv->psstatus.snooze_guard, 0);
|
break;
|
case DOT11_GMK2_TSC:
|
if (atomic_read(&priv->psstatus.snooze_guard))
|
atomic_set(&priv->psstatus.snooze_guard, 0);
|
break;
|
case DOT11_PMK_TSC:
|
case LOCAL_PMK:
|
case LOCAL_GAIN:
|
case LOCAL_WPS_ENABLE:
|
case LOCAL_WPS_PROBE_REQ:
|
case LOCAL_REGION:
|
default:
|
break;
|
}
|
}
|
|
static
|
void hostif_power_mgmt_confirm(struct ks_wlan_private *priv)
|
{
|
if (priv->reg.power_mgmt > POWER_MGMT_ACTIVE &&
|
priv->reg.operation_mode == MODE_INFRASTRUCTURE) {
|
atomic_set(&priv->psstatus.confirm_wait, 0);
|
priv->dev_state = DEVICE_STATE_SLEEP;
|
ks_wlan_hw_power_save(priv);
|
} else {
|
priv->dev_state = DEVICE_STATE_READY;
|
}
|
}
|
|
static
|
void hostif_sleep_confirm(struct ks_wlan_private *priv)
|
{
|
atomic_set(&priv->sleepstatus.doze_request, 1);
|
queue_delayed_work(priv->wq, &priv->rw_dwork, 1);
|
}
|
|
static
|
void hostif_start_confirm(struct ks_wlan_private *priv)
|
{
|
union iwreq_data wrqu;
|
|
wrqu.data.length = 0;
|
wrqu.data.flags = 0;
|
wrqu.ap_addr.sa_family = ARPHRD_ETHER;
|
if (is_connect_status(priv->connect_status)) {
|
eth_zero_addr(wrqu.ap_addr.sa_data);
|
wireless_send_event(priv->net_dev, SIOCGIWAP, &wrqu, NULL);
|
}
|
netdev_dbg(priv->net_dev, " scan_ind_count=%d\n", priv->scan_ind_count);
|
hostif_sme_enqueue(priv, SME_START_CONFIRM);
|
}
|
|
static
|
void hostif_connect_indication(struct ks_wlan_private *priv)
|
{
|
u16 connect_code;
|
unsigned int tmp = 0;
|
unsigned int old_status = priv->connect_status;
|
struct net_device *netdev = priv->net_dev;
|
union iwreq_data wrqu0;
|
|
connect_code = get_word(priv);
|
|
switch (connect_code) {
|
case RESULT_CONNECT:
|
if (!(priv->connect_status & FORCE_DISCONNECT))
|
netif_carrier_on(netdev);
|
tmp = FORCE_DISCONNECT & priv->connect_status;
|
priv->connect_status = tmp + CONNECT_STATUS;
|
break;
|
case RESULT_DISCONNECT:
|
netif_carrier_off(netdev);
|
tmp = FORCE_DISCONNECT & priv->connect_status;
|
priv->connect_status = tmp + DISCONNECT_STATUS;
|
break;
|
default:
|
netdev_dbg(priv->net_dev, "unknown connect_code=%d :: scan_ind_count=%d\n",
|
connect_code, priv->scan_ind_count);
|
netif_carrier_off(netdev);
|
tmp = FORCE_DISCONNECT & priv->connect_status;
|
priv->connect_status = tmp + DISCONNECT_STATUS;
|
break;
|
}
|
|
get_current_ap(priv, (struct link_ap_info *)priv->rxp);
|
if (is_connect_status(priv->connect_status) &&
|
is_disconnect_status(old_status)) {
|
/* for power save */
|
atomic_set(&priv->psstatus.snooze_guard, 0);
|
atomic_set(&priv->psstatus.confirm_wait, 0);
|
}
|
ks_wlan_do_power_save(priv);
|
|
wrqu0.data.length = 0;
|
wrqu0.data.flags = 0;
|
wrqu0.ap_addr.sa_family = ARPHRD_ETHER;
|
if (is_disconnect_status(priv->connect_status) &&
|
is_connect_status(old_status)) {
|
eth_zero_addr(wrqu0.ap_addr.sa_data);
|
netdev_dbg(priv->net_dev, "disconnect :: scan_ind_count=%d\n",
|
priv->scan_ind_count);
|
wireless_send_event(netdev, SIOCGIWAP, &wrqu0, NULL);
|
}
|
priv->scan_ind_count = 0;
|
}
|
|
static
|
void hostif_scan_indication(struct ks_wlan_private *priv)
|
{
|
int i;
|
struct ap_info *ap_info;
|
|
netdev_dbg(priv->net_dev,
|
"scan_ind_count = %d\n", priv->scan_ind_count);
|
ap_info = (struct ap_info *)(priv->rxp);
|
|
if (priv->scan_ind_count) {
|
/* bssid check */
|
for (i = 0; i < priv->aplist.size; i++) {
|
u8 *bssid = priv->aplist.ap[i].bssid;
|
|
if (ether_addr_equal(ap_info->bssid, bssid))
|
continue;
|
|
if (ap_info->frame_type == IEEE80211_STYPE_PROBE_RESP)
|
get_ap_information(priv, ap_info,
|
&priv->aplist.ap[i]);
|
return;
|
}
|
}
|
priv->scan_ind_count++;
|
if (priv->scan_ind_count < LOCAL_APLIST_MAX + 1) {
|
netdev_dbg(priv->net_dev, " scan_ind_count=%d :: aplist.size=%d\n",
|
priv->scan_ind_count, priv->aplist.size);
|
get_ap_information(priv, (struct ap_info *)(priv->rxp),
|
&priv->aplist.ap[priv->scan_ind_count - 1]);
|
priv->aplist.size = priv->scan_ind_count;
|
} else {
|
netdev_dbg(priv->net_dev, " count over :: scan_ind_count=%d\n",
|
priv->scan_ind_count);
|
}
|
}
|
|
static
|
void hostif_stop_confirm(struct ks_wlan_private *priv)
|
{
|
unsigned int tmp = 0;
|
unsigned int old_status = priv->connect_status;
|
struct net_device *netdev = priv->net_dev;
|
union iwreq_data wrqu0;
|
|
if (priv->dev_state == DEVICE_STATE_SLEEP)
|
priv->dev_state = DEVICE_STATE_READY;
|
|
/* disconnect indication */
|
if (is_connect_status(priv->connect_status)) {
|
netif_carrier_off(netdev);
|
tmp = FORCE_DISCONNECT & priv->connect_status;
|
priv->connect_status = tmp | DISCONNECT_STATUS;
|
netdev_info(netdev, "IWEVENT: disconnect\n");
|
|
wrqu0.data.length = 0;
|
wrqu0.data.flags = 0;
|
wrqu0.ap_addr.sa_family = ARPHRD_ETHER;
|
if (is_disconnect_status(priv->connect_status) &&
|
is_connect_status(old_status)) {
|
eth_zero_addr(wrqu0.ap_addr.sa_data);
|
netdev_info(netdev, "IWEVENT: disconnect\n");
|
wireless_send_event(netdev, SIOCGIWAP, &wrqu0, NULL);
|
}
|
priv->scan_ind_count = 0;
|
}
|
|
hostif_sme_enqueue(priv, SME_STOP_CONFIRM);
|
}
|
|
static
|
void hostif_ps_adhoc_set_confirm(struct ks_wlan_private *priv)
|
{
|
priv->infra_status = 0; /* infrastructure mode cancel */
|
hostif_sme_enqueue(priv, SME_MODE_SET_CONFIRM);
|
}
|
|
static
|
void hostif_infrastructure_set_confirm(struct ks_wlan_private *priv)
|
{
|
u16 result_code;
|
|
result_code = get_word(priv);
|
priv->infra_status = 1; /* infrastructure mode set */
|
hostif_sme_enqueue(priv, SME_MODE_SET_CONFIRM);
|
}
|
|
static
|
void hostif_adhoc_set_confirm(struct ks_wlan_private *priv)
|
{
|
priv->infra_status = 1; /* infrastructure mode set */
|
hostif_sme_enqueue(priv, SME_MODE_SET_CONFIRM);
|
}
|
|
static
|
void hostif_associate_indication(struct ks_wlan_private *priv)
|
{
|
struct association_request *assoc_req;
|
struct association_response *assoc_resp;
|
unsigned char *pb;
|
union iwreq_data wrqu;
|
char buf[IW_CUSTOM_MAX];
|
char *pbuf = &buf[0];
|
int i;
|
|
static const char associnfo_leader0[] = "ASSOCINFO(ReqIEs=";
|
static const char associnfo_leader1[] = " RespIEs=";
|
|
assoc_req = (struct association_request *)(priv->rxp);
|
assoc_resp = (struct association_response *)(assoc_req + 1);
|
pb = (unsigned char *)(assoc_resp + 1);
|
|
memset(&wrqu, 0, sizeof(wrqu));
|
memcpy(pbuf, associnfo_leader0, sizeof(associnfo_leader0) - 1);
|
wrqu.data.length += sizeof(associnfo_leader0) - 1;
|
pbuf += sizeof(associnfo_leader0) - 1;
|
|
for (i = 0; i < le16_to_cpu(assoc_req->req_ies_size); i++)
|
pbuf += sprintf(pbuf, "%02x", *(pb + i));
|
wrqu.data.length += (le16_to_cpu(assoc_req->req_ies_size)) * 2;
|
|
memcpy(pbuf, associnfo_leader1, sizeof(associnfo_leader1) - 1);
|
wrqu.data.length += sizeof(associnfo_leader1) - 1;
|
pbuf += sizeof(associnfo_leader1) - 1;
|
|
pb += le16_to_cpu(assoc_req->req_ies_size);
|
for (i = 0; i < le16_to_cpu(assoc_resp->resp_ies_size); i++)
|
pbuf += sprintf(pbuf, "%02x", *(pb + i));
|
wrqu.data.length += (le16_to_cpu(assoc_resp->resp_ies_size)) * 2;
|
|
pbuf += sprintf(pbuf, ")");
|
wrqu.data.length += 1;
|
|
wireless_send_event(priv->net_dev, IWEVCUSTOM, &wrqu, buf);
|
}
|
|
static
|
void hostif_bss_scan_confirm(struct ks_wlan_private *priv)
|
{
|
u32 result_code;
|
struct net_device *dev = priv->net_dev;
|
union iwreq_data wrqu;
|
|
result_code = get_dword(priv);
|
netdev_dbg(priv->net_dev, "result=%d :: scan_ind_count=%d\n",
|
result_code, priv->scan_ind_count);
|
|
priv->sme_i.sme_flag &= ~SME_AP_SCAN;
|
hostif_sme_enqueue(priv, SME_BSS_SCAN_CONFIRM);
|
|
wrqu.data.length = 0;
|
wrqu.data.flags = 0;
|
wireless_send_event(dev, SIOCGIWSCAN, &wrqu, NULL);
|
priv->scan_ind_count = 0;
|
}
|
|
static
|
void hostif_phy_information_confirm(struct ks_wlan_private *priv)
|
{
|
struct iw_statistics *wstats = &priv->wstats;
|
u8 rssi, signal, noise;
|
u8 link_speed;
|
u32 transmitted_frame_count, received_fragment_count;
|
u32 failed_count, fcs_error_count;
|
|
rssi = get_byte(priv);
|
signal = get_byte(priv);
|
noise = get_byte(priv);
|
link_speed = get_byte(priv);
|
transmitted_frame_count = get_dword(priv);
|
received_fragment_count = get_dword(priv);
|
failed_count = get_dword(priv);
|
fcs_error_count = get_dword(priv);
|
|
netdev_dbg(priv->net_dev, "phyinfo confirm rssi=%d signal=%d\n",
|
rssi, signal);
|
priv->current_rate = (link_speed & RATE_MASK);
|
wstats->qual.qual = signal;
|
wstats->qual.level = 256 - rssi;
|
wstats->qual.noise = 0; /* invalid noise value */
|
wstats->qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
|
|
netdev_dbg(priv->net_dev, "\n rssi=%u\n"
|
" signal=%u\n"
|
" link_speed=%ux500Kbps\n"
|
" transmitted_frame_count=%u\n"
|
" received_fragment_count=%u\n"
|
" failed_count=%u\n"
|
" fcs_error_count=%u\n",
|
rssi, signal, link_speed, transmitted_frame_count,
|
received_fragment_count, failed_count, fcs_error_count);
|
/* wake_up_interruptible_all(&priv->confirm_wait); */
|
complete(&priv->confirm_wait);
|
}
|
|
static
|
void hostif_mic_failure_confirm(struct ks_wlan_private *priv)
|
{
|
netdev_dbg(priv->net_dev, "mic_failure=%u\n",
|
priv->wpa.mic_failure.failure);
|
hostif_sme_enqueue(priv, SME_MIC_FAILURE_CONFIRM);
|
}
|
|
static
|
void hostif_event_check(struct ks_wlan_private *priv)
|
{
|
u16 event;
|
|
event = get_word(priv);
|
switch (event) {
|
case HIF_DATA_IND:
|
hostif_data_indication(priv);
|
break;
|
case HIF_MIB_GET_CONF:
|
hostif_mib_get_confirm(priv);
|
break;
|
case HIF_MIB_SET_CONF:
|
hostif_mib_set_confirm(priv);
|
break;
|
case HIF_POWER_MGMT_CONF:
|
hostif_power_mgmt_confirm(priv);
|
break;
|
case HIF_SLEEP_CONF:
|
hostif_sleep_confirm(priv);
|
break;
|
case HIF_START_CONF:
|
hostif_start_confirm(priv);
|
break;
|
case HIF_CONNECT_IND:
|
hostif_connect_indication(priv);
|
break;
|
case HIF_STOP_CONF:
|
hostif_stop_confirm(priv);
|
break;
|
case HIF_PS_ADH_SET_CONF:
|
hostif_ps_adhoc_set_confirm(priv);
|
break;
|
case HIF_INFRA_SET_CONF:
|
case HIF_INFRA_SET2_CONF:
|
hostif_infrastructure_set_confirm(priv);
|
break;
|
case HIF_ADH_SET_CONF:
|
case HIF_ADH_SET2_CONF:
|
hostif_adhoc_set_confirm(priv);
|
break;
|
case HIF_ASSOC_INFO_IND:
|
hostif_associate_indication(priv);
|
break;
|
case HIF_MIC_FAILURE_CONF:
|
hostif_mic_failure_confirm(priv);
|
break;
|
case HIF_SCAN_CONF:
|
hostif_bss_scan_confirm(priv);
|
break;
|
case HIF_PHY_INFO_CONF:
|
case HIF_PHY_INFO_IND:
|
hostif_phy_information_confirm(priv);
|
break;
|
case HIF_SCAN_IND:
|
hostif_scan_indication(priv);
|
break;
|
case HIF_AP_SET_CONF:
|
default:
|
netdev_err(priv->net_dev, "undefined event[%04X]\n", event);
|
/* wake_up_all(&priv->confirm_wait); */
|
complete(&priv->confirm_wait);
|
break;
|
}
|
|
/* add event to hostt buffer */
|
priv->hostt.buff[priv->hostt.qtail] = event;
|
priv->hostt.qtail = (priv->hostt.qtail + 1) % SME_EVENT_BUFF_SIZE;
|
}
|
|
/* allocate size bytes, set header size and event */
|
static void *hostif_generic_request(size_t size, int event)
|
{
|
struct hostif_hdr *p;
|
|
p = kzalloc(hif_align_size(size), GFP_ATOMIC);
|
if (!p)
|
return NULL;
|
|
p->size = cpu_to_le16(size - sizeof(p->size));
|
p->event = cpu_to_le16(event);
|
|
return p;
|
}
|
|
int hostif_data_request(struct ks_wlan_private *priv, struct sk_buff *skb)
|
{
|
unsigned int skb_len = 0;
|
unsigned char *buffer = NULL;
|
unsigned int length = 0;
|
struct hostif_data_request *pp;
|
unsigned char *p;
|
unsigned short eth_proto;
|
struct ether_hdr *eth_hdr;
|
unsigned short keyinfo = 0;
|
struct ieee802_1x_hdr *aa1x_hdr;
|
struct wpa_eapol_key *eap_key;
|
struct ethhdr *eth;
|
size_t size;
|
int ret;
|
|
skb_len = skb->len;
|
if (skb_len > ETH_FRAME_LEN) {
|
netdev_err(priv->net_dev, "bad length skb_len=%d\n", skb_len);
|
ret = -EOVERFLOW;
|
goto err_kfree_skb;
|
}
|
|
if (is_disconnect_status(priv->connect_status) ||
|
(priv->connect_status & FORCE_DISCONNECT) ||
|
priv->wpa.mic_failure.stop) {
|
if (netif_queue_stopped(priv->net_dev))
|
netif_wake_queue(priv->net_dev);
|
|
dev_kfree_skb(skb);
|
|
return 0;
|
}
|
|
/* power save wakeup */
|
if (atomic_read(&priv->psstatus.status) == PS_SNOOZE) {
|
if (!netif_queue_stopped(priv->net_dev))
|
netif_stop_queue(priv->net_dev);
|
}
|
|
size = sizeof(*pp) + 6 + skb_len + 8;
|
pp = kmalloc(hif_align_size(size), GFP_ATOMIC);
|
if (!pp) {
|
ret = -ENOMEM;
|
goto err_kfree_skb;
|
}
|
|
p = (unsigned char *)pp->data;
|
|
buffer = skb->data;
|
length = skb->len;
|
|
/* skb check */
|
eth = (struct ethhdr *)skb->data;
|
if (!ether_addr_equal(&priv->eth_addr[0], eth->h_source)) {
|
netdev_err(priv->net_dev,
|
"Invalid mac address: ethernet->h_source=%pM\n",
|
eth->h_source);
|
ret = -ENXIO;
|
goto err_kfree;
|
}
|
|
/* dest and src MAC address copy */
|
size = ETH_ALEN * 2;
|
memcpy(p, buffer, size);
|
p += size;
|
buffer += size;
|
length -= size;
|
|
/* EtherType/Length check */
|
if (*(buffer + 1) + (*buffer << 8) > 1500) {
|
/* ProtocolEAP = *(buffer+1) + (*buffer << 8); */
|
/* SAP/CTL/OUI(6 byte) add */
|
*p++ = 0xAA; /* DSAP */
|
*p++ = 0xAA; /* SSAP */
|
*p++ = 0x03; /* CTL */
|
*p++ = 0x00; /* OUI ("000000") */
|
*p++ = 0x00; /* OUI ("000000") */
|
*p++ = 0x00; /* OUI ("000000") */
|
skb_len += 6;
|
} else {
|
/* Length(2 byte) delete */
|
buffer += 2;
|
length -= 2;
|
skb_len -= 2;
|
}
|
|
/* pp->data copy */
|
memcpy(p, buffer, length);
|
|
p += length;
|
|
/* for WPA */
|
eth_hdr = (struct ether_hdr *)&pp->data[0];
|
eth_proto = ntohs(eth_hdr->h_proto);
|
|
/* for MIC FAILURE REPORT check */
|
if (eth_proto == ETH_P_PAE &&
|
priv->wpa.mic_failure.failure > 0) {
|
aa1x_hdr = (struct ieee802_1x_hdr *)(eth_hdr + 1);
|
if (aa1x_hdr->type == IEEE802_1X_TYPE_EAPOL_KEY) {
|
eap_key = (struct wpa_eapol_key *)(aa1x_hdr + 1);
|
keyinfo = ntohs(eap_key->key_info);
|
}
|
}
|
|
if (priv->wpa.rsn_enabled && priv->wpa.key[0].key_len) {
|
/* no encryption */
|
if (eth_proto == ETH_P_PAE &&
|
priv->wpa.key[1].key_len == 0 &&
|
priv->wpa.key[2].key_len == 0 &&
|
priv->wpa.key[3].key_len == 0) {
|
pp->auth_type = cpu_to_le16(TYPE_AUTH);
|
} else {
|
if (priv->wpa.pairwise_suite == IW_AUTH_CIPHER_TKIP) {
|
u8 mic[MICHAEL_MIC_LEN];
|
|
ret = michael_mic(priv->wpa.key[0].tx_mic_key,
|
&pp->data[0], skb_len,
|
0, mic);
|
if (ret < 0)
|
goto err_kfree;
|
|
memcpy(p, mic, sizeof(mic));
|
length += sizeof(mic);
|
skb_len += sizeof(mic);
|
p += sizeof(mic);
|
pp->auth_type =
|
cpu_to_le16(TYPE_DATA);
|
} else if (priv->wpa.pairwise_suite ==
|
IW_AUTH_CIPHER_CCMP) {
|
pp->auth_type =
|
cpu_to_le16(TYPE_DATA);
|
}
|
}
|
} else {
|
if (eth_proto == ETH_P_PAE)
|
pp->auth_type = cpu_to_le16(TYPE_AUTH);
|
else
|
pp->auth_type = cpu_to_le16(TYPE_DATA);
|
}
|
|
/* header value set */
|
pp->header.size =
|
cpu_to_le16((sizeof(*pp) - sizeof(pp->header.size) + skb_len));
|
pp->header.event = cpu_to_le16(HIF_DATA_REQ);
|
|
/* tx request */
|
ret = ks_wlan_hw_tx(priv, pp, hif_align_size(sizeof(*pp) + skb_len),
|
send_packet_complete, skb);
|
|
/* MIC FAILURE REPORT check */
|
if (eth_proto == ETH_P_PAE &&
|
priv->wpa.mic_failure.failure > 0) {
|
if (keyinfo & WPA_KEY_INFO_ERROR &&
|
keyinfo & WPA_KEY_INFO_REQUEST) {
|
netdev_err(priv->net_dev,
|
"MIC ERROR Report SET : %04X\n", keyinfo);
|
hostif_sme_enqueue(priv, SME_MIC_FAILURE_REQUEST);
|
}
|
if (priv->wpa.mic_failure.failure == 2)
|
priv->wpa.mic_failure.stop = 1;
|
}
|
|
return ret;
|
|
err_kfree:
|
kfree(pp);
|
err_kfree_skb:
|
dev_kfree_skb(skb);
|
|
return ret;
|
}
|
|
static inline void ps_confirm_wait_inc(struct ks_wlan_private *priv)
|
{
|
if (atomic_read(&priv->psstatus.status) > PS_ACTIVE_SET)
|
atomic_inc(&priv->psstatus.confirm_wait);
|
}
|
|
static inline void send_request_to_device(struct ks_wlan_private *priv,
|
void *data, size_t size)
|
{
|
ps_confirm_wait_inc(priv);
|
ks_wlan_hw_tx(priv, data, size, NULL, NULL);
|
}
|
|
static void hostif_mib_get_request(struct ks_wlan_private *priv,
|
u32 mib_attribute)
|
{
|
struct hostif_mib_get_request *pp;
|
|
pp = hostif_generic_request(sizeof(*pp), HIF_MIB_GET_REQ);
|
if (!pp)
|
return;
|
|
pp->mib_attribute = cpu_to_le32(mib_attribute);
|
|
send_request_to_device(priv, pp, hif_align_size(sizeof(*pp)));
|
}
|
|
static void hostif_mib_set_request(struct ks_wlan_private *priv,
|
enum mib_attribute attr,
|
enum mib_data_type type,
|
void *data, size_t size)
|
{
|
struct hostif_mib_set_request_t *pp;
|
|
if (priv->dev_state < DEVICE_STATE_BOOT)
|
return;
|
|
pp = hostif_generic_request(sizeof(*pp), HIF_MIB_SET_REQ);
|
if (!pp)
|
return;
|
|
pp->mib_attribute = cpu_to_le32(attr);
|
pp->mib_value.size = cpu_to_le16(size);
|
pp->mib_value.type = cpu_to_le16(type);
|
memcpy(&pp->mib_value.body, data, size);
|
|
send_request_to_device(priv, pp, hif_align_size(sizeof(*pp) + size));
|
}
|
|
static inline void hostif_mib_set_request_int(struct ks_wlan_private *priv,
|
enum mib_attribute attr, int val)
|
{
|
__le32 v = cpu_to_le32(val);
|
size_t size = sizeof(v);
|
|
hostif_mib_set_request(priv, attr, MIB_VALUE_TYPE_INT, &v, size);
|
}
|
|
static inline void hostif_mib_set_request_bool(struct ks_wlan_private *priv,
|
enum mib_attribute attr,
|
bool val)
|
{
|
__le32 v = cpu_to_le32(val);
|
size_t size = sizeof(v);
|
|
hostif_mib_set_request(priv, attr, MIB_VALUE_TYPE_BOOL, &v, size);
|
}
|
|
static inline void hostif_mib_set_request_ostring(struct ks_wlan_private *priv,
|
enum mib_attribute attr,
|
void *data, size_t size)
|
{
|
hostif_mib_set_request(priv, attr, MIB_VALUE_TYPE_OSTRING, data, size);
|
}
|
|
static
|
void hostif_start_request(struct ks_wlan_private *priv, unsigned char mode)
|
{
|
struct hostif_start_request *pp;
|
|
pp = hostif_generic_request(sizeof(*pp), HIF_START_REQ);
|
if (!pp)
|
return;
|
|
pp->mode = cpu_to_le16(mode);
|
|
send_request_to_device(priv, pp, hif_align_size(sizeof(*pp)));
|
|
priv->aplist.size = 0;
|
priv->scan_ind_count = 0;
|
}
|
|
static __le16 ks_wlan_cap(struct ks_wlan_private *priv)
|
{
|
u16 capability = 0x0000;
|
|
if (priv->reg.preamble == SHORT_PREAMBLE)
|
capability |= WLAN_CAPABILITY_SHORT_PREAMBLE;
|
|
capability &= ~(WLAN_CAPABILITY_PBCC); /* pbcc not support */
|
|
if (priv->reg.phy_type != D_11B_ONLY_MODE) {
|
capability |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
|
capability &= ~(WLAN_CAPABILITY_DSSS_OFDM);
|
}
|
|
return cpu_to_le16(capability);
|
}
|
|
static void init_request(struct ks_wlan_private *priv,
|
struct hostif_request *req)
|
{
|
req->phy_type = cpu_to_le16(priv->reg.phy_type);
|
req->cts_mode = cpu_to_le16(priv->reg.cts_mode);
|
req->scan_type = cpu_to_le16(priv->reg.scan_type);
|
req->rate_set.size = priv->reg.rate_set.size;
|
req->capability = ks_wlan_cap(priv);
|
memcpy(&req->rate_set.body[0], &priv->reg.rate_set.body[0],
|
priv->reg.rate_set.size);
|
}
|
|
static
|
void hostif_ps_adhoc_set_request(struct ks_wlan_private *priv)
|
{
|
struct hostif_ps_adhoc_set_request *pp;
|
|
pp = hostif_generic_request(sizeof(*pp), HIF_PS_ADH_SET_REQ);
|
if (!pp)
|
return;
|
|
init_request(priv, &pp->request);
|
pp->channel = cpu_to_le16(priv->reg.channel);
|
|
send_request_to_device(priv, pp, hif_align_size(sizeof(*pp)));
|
}
|
|
static
|
void hostif_infrastructure_set_request(struct ks_wlan_private *priv, int event)
|
{
|
struct hostif_infrastructure_set_request *pp;
|
|
pp = hostif_generic_request(sizeof(*pp), event);
|
if (!pp)
|
return;
|
|
init_request(priv, &pp->request);
|
pp->ssid.size = priv->reg.ssid.size;
|
memcpy(&pp->ssid.body[0], &priv->reg.ssid.body[0], priv->reg.ssid.size);
|
pp->beacon_lost_count =
|
cpu_to_le16(priv->reg.beacon_lost_count);
|
pp->auth_type = cpu_to_le16(priv->reg.authenticate_type);
|
|
pp->channel_list.body[0] = 1;
|
pp->channel_list.body[1] = 8;
|
pp->channel_list.body[2] = 2;
|
pp->channel_list.body[3] = 9;
|
pp->channel_list.body[4] = 3;
|
pp->channel_list.body[5] = 10;
|
pp->channel_list.body[6] = 4;
|
pp->channel_list.body[7] = 11;
|
pp->channel_list.body[8] = 5;
|
pp->channel_list.body[9] = 12;
|
pp->channel_list.body[10] = 6;
|
pp->channel_list.body[11] = 13;
|
pp->channel_list.body[12] = 7;
|
if (priv->reg.phy_type == D_11G_ONLY_MODE) {
|
pp->channel_list.size = 13;
|
} else {
|
pp->channel_list.body[13] = 14;
|
pp->channel_list.size = 14;
|
}
|
|
send_request_to_device(priv, pp, hif_align_size(sizeof(*pp)));
|
}
|
|
static
|
void hostif_adhoc_set_request(struct ks_wlan_private *priv)
|
{
|
struct hostif_adhoc_set_request *pp;
|
|
pp = hostif_generic_request(sizeof(*pp), HIF_ADH_SET_REQ);
|
if (!pp)
|
return;
|
|
init_request(priv, &pp->request);
|
pp->channel = cpu_to_le16(priv->reg.channel);
|
pp->ssid.size = priv->reg.ssid.size;
|
memcpy(&pp->ssid.body[0], &priv->reg.ssid.body[0], priv->reg.ssid.size);
|
|
send_request_to_device(priv, pp, hif_align_size(sizeof(*pp)));
|
}
|
|
static
|
void hostif_adhoc_set2_request(struct ks_wlan_private *priv)
|
{
|
struct hostif_adhoc_set2_request *pp;
|
|
pp = hostif_generic_request(sizeof(*pp), HIF_ADH_SET_REQ);
|
if (!pp)
|
return;
|
|
init_request(priv, &pp->request);
|
pp->ssid.size = priv->reg.ssid.size;
|
memcpy(&pp->ssid.body[0], &priv->reg.ssid.body[0], priv->reg.ssid.size);
|
|
pp->channel_list.body[0] = priv->reg.channel;
|
pp->channel_list.size = 1;
|
memcpy(pp->bssid, priv->reg.bssid, ETH_ALEN);
|
|
send_request_to_device(priv, pp, hif_align_size(sizeof(*pp)));
|
}
|
|
static
|
void hostif_stop_request(struct ks_wlan_private *priv)
|
{
|
struct hostif_stop_request *pp;
|
|
pp = hostif_generic_request(sizeof(*pp), HIF_STOP_REQ);
|
if (!pp)
|
return;
|
|
send_request_to_device(priv, pp, hif_align_size(sizeof(*pp)));
|
}
|
|
static
|
void hostif_phy_information_request(struct ks_wlan_private *priv)
|
{
|
struct hostif_phy_information_request *pp;
|
|
pp = hostif_generic_request(sizeof(*pp), HIF_PHY_INFO_REQ);
|
if (!pp)
|
return;
|
|
if (priv->reg.phy_info_timer) {
|
pp->type = cpu_to_le16(TIME_TYPE);
|
pp->time = cpu_to_le16(priv->reg.phy_info_timer);
|
} else {
|
pp->type = cpu_to_le16(NORMAL_TYPE);
|
pp->time = cpu_to_le16(0);
|
}
|
|
send_request_to_device(priv, pp, hif_align_size(sizeof(*pp)));
|
}
|
|
static
|
void hostif_power_mgmt_request(struct ks_wlan_private *priv,
|
u32 mode, u32 wake_up, u32 receive_dtims)
|
{
|
struct hostif_power_mgmt_request *pp;
|
|
pp = hostif_generic_request(sizeof(*pp), HIF_POWER_MGMT_REQ);
|
if (!pp)
|
return;
|
|
pp->mode = cpu_to_le32(mode);
|
pp->wake_up = cpu_to_le32(wake_up);
|
pp->receive_dtims = cpu_to_le32(receive_dtims);
|
|
send_request_to_device(priv, pp, hif_align_size(sizeof(*pp)));
|
}
|
|
static
|
void hostif_sleep_request(struct ks_wlan_private *priv,
|
enum sleep_mode_type mode)
|
{
|
struct hostif_sleep_request *pp;
|
|
if (mode == SLP_SLEEP) {
|
pp = hostif_generic_request(sizeof(*pp), HIF_SLEEP_REQ);
|
if (!pp)
|
return;
|
|
send_request_to_device(priv, pp, hif_align_size(sizeof(*pp)));
|
} else if (mode == SLP_ACTIVE) {
|
atomic_set(&priv->sleepstatus.wakeup_request, 1);
|
queue_delayed_work(priv->wq, &priv->rw_dwork, 1);
|
} else {
|
netdev_err(priv->net_dev, "invalid mode %ld\n", (long)mode);
|
return;
|
}
|
}
|
|
static
|
void hostif_bss_scan_request(struct ks_wlan_private *priv,
|
unsigned long scan_type, u8 *scan_ssid,
|
u8 scan_ssid_len)
|
{
|
struct hostif_bss_scan_request *pp;
|
|
pp = hostif_generic_request(sizeof(*pp), HIF_SCAN_REQ);
|
if (!pp)
|
return;
|
|
pp->scan_type = scan_type;
|
|
pp->ch_time_min = cpu_to_le32(110); /* default value */
|
pp->ch_time_max = cpu_to_le32(130); /* default value */
|
pp->channel_list.body[0] = 1;
|
pp->channel_list.body[1] = 8;
|
pp->channel_list.body[2] = 2;
|
pp->channel_list.body[3] = 9;
|
pp->channel_list.body[4] = 3;
|
pp->channel_list.body[5] = 10;
|
pp->channel_list.body[6] = 4;
|
pp->channel_list.body[7] = 11;
|
pp->channel_list.body[8] = 5;
|
pp->channel_list.body[9] = 12;
|
pp->channel_list.body[10] = 6;
|
pp->channel_list.body[11] = 13;
|
pp->channel_list.body[12] = 7;
|
if (priv->reg.phy_type == D_11G_ONLY_MODE) {
|
pp->channel_list.size = 13;
|
} else {
|
pp->channel_list.body[13] = 14;
|
pp->channel_list.size = 14;
|
}
|
pp->ssid.size = 0;
|
|
/* specified SSID SCAN */
|
if (scan_ssid_len > 0 && scan_ssid_len <= 32) {
|
pp->ssid.size = scan_ssid_len;
|
memcpy(&pp->ssid.body[0], scan_ssid, scan_ssid_len);
|
}
|
|
send_request_to_device(priv, pp, hif_align_size(sizeof(*pp)));
|
|
priv->aplist.size = 0;
|
priv->scan_ind_count = 0;
|
}
|
|
static
|
void hostif_mic_failure_request(struct ks_wlan_private *priv,
|
u16 failure_count, u16 timer)
|
{
|
struct hostif_mic_failure_request *pp;
|
|
pp = hostif_generic_request(sizeof(*pp), HIF_MIC_FAILURE_REQ);
|
if (!pp)
|
return;
|
|
pp->failure_count = cpu_to_le16(failure_count);
|
pp->timer = cpu_to_le16(timer);
|
|
send_request_to_device(priv, pp, hif_align_size(sizeof(*pp)));
|
}
|
|
/* Device I/O Receive indicate */
|
static void devio_rec_ind(struct ks_wlan_private *priv, unsigned char *p,
|
unsigned int size)
|
{
|
if (!priv->is_device_open)
|
return;
|
|
spin_lock(&priv->dev_read_lock);
|
priv->dev_data[atomic_read(&priv->rec_count)] = p;
|
priv->dev_size[atomic_read(&priv->rec_count)] = size;
|
|
if (atomic_read(&priv->event_count) != DEVICE_STOCK_COUNT) {
|
/* rx event count inc */
|
atomic_inc(&priv->event_count);
|
}
|
atomic_inc(&priv->rec_count);
|
if (atomic_read(&priv->rec_count) == DEVICE_STOCK_COUNT)
|
atomic_set(&priv->rec_count, 0);
|
|
wake_up_interruptible_all(&priv->devread_wait);
|
|
spin_unlock(&priv->dev_read_lock);
|
}
|
|
void hostif_receive(struct ks_wlan_private *priv, unsigned char *p,
|
unsigned int size)
|
{
|
devio_rec_ind(priv, p, size);
|
|
priv->rxp = p;
|
priv->rx_size = size;
|
|
if (get_word(priv) == priv->rx_size)
|
hostif_event_check(priv);
|
}
|
|
static void hostif_sme_set_wep(struct ks_wlan_private *priv, int type)
|
{
|
switch (type) {
|
case SME_WEP_INDEX_REQUEST:
|
hostif_mib_set_request_int(priv, DOT11_WEP_DEFAULT_KEY_ID,
|
priv->reg.wep_index);
|
break;
|
case SME_WEP_KEY1_REQUEST:
|
if (priv->wpa.wpa_enabled)
|
return;
|
hostif_mib_set_request_ostring(priv,
|
DOT11_WEP_DEFAULT_KEY_VALUE1,
|
&priv->reg.wep_key[0].val[0],
|
priv->reg.wep_key[0].size);
|
break;
|
case SME_WEP_KEY2_REQUEST:
|
if (priv->wpa.wpa_enabled)
|
return;
|
hostif_mib_set_request_ostring(priv,
|
DOT11_WEP_DEFAULT_KEY_VALUE2,
|
&priv->reg.wep_key[1].val[0],
|
priv->reg.wep_key[1].size);
|
break;
|
case SME_WEP_KEY3_REQUEST:
|
if (priv->wpa.wpa_enabled)
|
return;
|
hostif_mib_set_request_ostring(priv,
|
DOT11_WEP_DEFAULT_KEY_VALUE3,
|
&priv->reg.wep_key[2].val[0],
|
priv->reg.wep_key[2].size);
|
break;
|
case SME_WEP_KEY4_REQUEST:
|
if (priv->wpa.wpa_enabled)
|
return;
|
hostif_mib_set_request_ostring(priv,
|
DOT11_WEP_DEFAULT_KEY_VALUE4,
|
&priv->reg.wep_key[3].val[0],
|
priv->reg.wep_key[3].size);
|
break;
|
case SME_WEP_FLAG_REQUEST:
|
hostif_mib_set_request_bool(priv, DOT11_PRIVACY_INVOKED,
|
priv->reg.privacy_invoked);
|
break;
|
}
|
}
|
|
struct wpa_suite {
|
__le16 size;
|
unsigned char suite[4][CIPHER_ID_LEN];
|
} __packed;
|
|
struct rsn_mode {
|
__le32 rsn_mode;
|
__le16 rsn_capability;
|
} __packed;
|
|
static void hostif_sme_set_rsn(struct ks_wlan_private *priv, int type)
|
{
|
struct wpa_suite wpa_suite;
|
struct rsn_mode rsn_mode;
|
size_t size;
|
u32 mode;
|
const u8 *buf = NULL;
|
|
memset(&wpa_suite, 0, sizeof(wpa_suite));
|
|
switch (type) {
|
case SME_RSN_UCAST_REQUEST:
|
wpa_suite.size = cpu_to_le16(1);
|
switch (priv->wpa.pairwise_suite) {
|
case IW_AUTH_CIPHER_NONE:
|
buf = (priv->wpa.version == IW_AUTH_WPA_VERSION_WPA2) ?
|
CIPHER_ID_WPA2_NONE : CIPHER_ID_WPA_NONE;
|
break;
|
case IW_AUTH_CIPHER_WEP40:
|
buf = (priv->wpa.version == IW_AUTH_WPA_VERSION_WPA2) ?
|
CIPHER_ID_WPA2_WEP40 : CIPHER_ID_WPA_WEP40;
|
break;
|
case IW_AUTH_CIPHER_TKIP:
|
buf = (priv->wpa.version == IW_AUTH_WPA_VERSION_WPA2) ?
|
CIPHER_ID_WPA2_TKIP : CIPHER_ID_WPA_TKIP;
|
break;
|
case IW_AUTH_CIPHER_CCMP:
|
buf = (priv->wpa.version == IW_AUTH_WPA_VERSION_WPA2) ?
|
CIPHER_ID_WPA2_CCMP : CIPHER_ID_WPA_CCMP;
|
break;
|
case IW_AUTH_CIPHER_WEP104:
|
buf = (priv->wpa.version == IW_AUTH_WPA_VERSION_WPA2) ?
|
CIPHER_ID_WPA2_WEP104 : CIPHER_ID_WPA_WEP104;
|
break;
|
}
|
|
if (buf)
|
memcpy(&wpa_suite.suite[0][0], buf, CIPHER_ID_LEN);
|
size = sizeof(wpa_suite.size) +
|
(CIPHER_ID_LEN * le16_to_cpu(wpa_suite.size));
|
hostif_mib_set_request_ostring(priv,
|
DOT11_RSN_CONFIG_UNICAST_CIPHER,
|
&wpa_suite, size);
|
break;
|
case SME_RSN_MCAST_REQUEST:
|
switch (priv->wpa.group_suite) {
|
case IW_AUTH_CIPHER_NONE:
|
buf = (priv->wpa.version == IW_AUTH_WPA_VERSION_WPA2) ?
|
CIPHER_ID_WPA2_NONE : CIPHER_ID_WPA_NONE;
|
break;
|
case IW_AUTH_CIPHER_WEP40:
|
buf = (priv->wpa.version == IW_AUTH_WPA_VERSION_WPA2) ?
|
CIPHER_ID_WPA2_WEP40 : CIPHER_ID_WPA_WEP40;
|
break;
|
case IW_AUTH_CIPHER_TKIP:
|
buf = (priv->wpa.version == IW_AUTH_WPA_VERSION_WPA2) ?
|
CIPHER_ID_WPA2_TKIP : CIPHER_ID_WPA_TKIP;
|
break;
|
case IW_AUTH_CIPHER_CCMP:
|
buf = (priv->wpa.version == IW_AUTH_WPA_VERSION_WPA2) ?
|
CIPHER_ID_WPA2_CCMP : CIPHER_ID_WPA_CCMP;
|
break;
|
case IW_AUTH_CIPHER_WEP104:
|
buf = (priv->wpa.version == IW_AUTH_WPA_VERSION_WPA2) ?
|
CIPHER_ID_WPA2_WEP104 : CIPHER_ID_WPA_WEP104;
|
break;
|
}
|
if (buf)
|
memcpy(&wpa_suite.suite[0][0], buf, CIPHER_ID_LEN);
|
hostif_mib_set_request_ostring(priv,
|
DOT11_RSN_CONFIG_MULTICAST_CIPHER,
|
&wpa_suite.suite[0][0],
|
CIPHER_ID_LEN);
|
break;
|
case SME_RSN_AUTH_REQUEST:
|
wpa_suite.size = cpu_to_le16(1);
|
switch (priv->wpa.key_mgmt_suite) {
|
case IW_AUTH_KEY_MGMT_802_1X:
|
buf = (priv->wpa.version == IW_AUTH_WPA_VERSION_WPA2) ?
|
KEY_MGMT_ID_WPA2_1X : KEY_MGMT_ID_WPA_1X;
|
break;
|
case IW_AUTH_KEY_MGMT_PSK:
|
buf = (priv->wpa.version == IW_AUTH_WPA_VERSION_WPA2) ?
|
KEY_MGMT_ID_WPA2_PSK : KEY_MGMT_ID_WPA_PSK;
|
break;
|
case 0:
|
buf = (priv->wpa.version == IW_AUTH_WPA_VERSION_WPA2) ?
|
KEY_MGMT_ID_WPA2_NONE : KEY_MGMT_ID_WPA_NONE;
|
break;
|
case 4:
|
buf = (priv->wpa.version == IW_AUTH_WPA_VERSION_WPA2) ?
|
KEY_MGMT_ID_WPA2_WPANONE :
|
KEY_MGMT_ID_WPA_WPANONE;
|
break;
|
}
|
|
if (buf)
|
memcpy(&wpa_suite.suite[0][0], buf, KEY_MGMT_ID_LEN);
|
size = sizeof(wpa_suite.size) +
|
(KEY_MGMT_ID_LEN * le16_to_cpu(wpa_suite.size));
|
hostif_mib_set_request_ostring(priv,
|
DOT11_RSN_CONFIG_AUTH_SUITE,
|
&wpa_suite, size);
|
break;
|
case SME_RSN_ENABLED_REQUEST:
|
hostif_mib_set_request_bool(priv, DOT11_RSN_ENABLED,
|
priv->wpa.rsn_enabled);
|
break;
|
case SME_RSN_MODE_REQUEST:
|
mode = (priv->wpa.version == IW_AUTH_WPA_VERSION_WPA2) ?
|
RSN_MODE_WPA2 :
|
(priv->wpa.version == IW_AUTH_WPA_VERSION_WPA) ?
|
RSN_MODE_WPA : RSN_MODE_NONE;
|
rsn_mode.rsn_mode = cpu_to_le32(mode);
|
rsn_mode.rsn_capability = cpu_to_le16(0);
|
hostif_mib_set_request_ostring(priv, LOCAL_RSN_MODE,
|
&rsn_mode, sizeof(rsn_mode));
|
break;
|
}
|
}
|
|
static
|
void hostif_sme_mode_setup(struct ks_wlan_private *priv)
|
{
|
unsigned char rate_size;
|
unsigned char rate_octet[RATE_SET_MAX_SIZE];
|
int i = 0;
|
|
/* rate setting if rate segging is auto for changing phy_type (#94) */
|
if (priv->reg.tx_rate == TX_RATE_FULL_AUTO) {
|
if (priv->reg.phy_type == D_11B_ONLY_MODE) {
|
priv->reg.rate_set.body[3] = TX_RATE_11M;
|
priv->reg.rate_set.body[2] = TX_RATE_5M;
|
priv->reg.rate_set.body[1] = TX_RATE_2M | BASIC_RATE;
|
priv->reg.rate_set.body[0] = TX_RATE_1M | BASIC_RATE;
|
priv->reg.rate_set.size = 4;
|
} else { /* D_11G_ONLY_MODE or D_11BG_COMPATIBLE_MODE */
|
priv->reg.rate_set.body[11] = TX_RATE_54M;
|
priv->reg.rate_set.body[10] = TX_RATE_48M;
|
priv->reg.rate_set.body[9] = TX_RATE_36M;
|
priv->reg.rate_set.body[8] = TX_RATE_18M;
|
priv->reg.rate_set.body[7] = TX_RATE_9M;
|
priv->reg.rate_set.body[6] = TX_RATE_24M | BASIC_RATE;
|
priv->reg.rate_set.body[5] = TX_RATE_12M | BASIC_RATE;
|
priv->reg.rate_set.body[4] = TX_RATE_6M | BASIC_RATE;
|
priv->reg.rate_set.body[3] = TX_RATE_11M | BASIC_RATE;
|
priv->reg.rate_set.body[2] = TX_RATE_5M | BASIC_RATE;
|
priv->reg.rate_set.body[1] = TX_RATE_2M | BASIC_RATE;
|
priv->reg.rate_set.body[0] = TX_RATE_1M | BASIC_RATE;
|
priv->reg.rate_set.size = 12;
|
}
|
}
|
|
/* rate mask by phy setting */
|
if (priv->reg.phy_type == D_11B_ONLY_MODE) {
|
for (i = 0; i < priv->reg.rate_set.size; i++) {
|
if (!is_11b_rate(priv->reg.rate_set.body[i]))
|
break;
|
|
if ((priv->reg.rate_set.body[i] & RATE_MASK) >= TX_RATE_5M) {
|
rate_octet[i] = priv->reg.rate_set.body[i] &
|
RATE_MASK;
|
} else {
|
rate_octet[i] = priv->reg.rate_set.body[i];
|
}
|
}
|
|
} else { /* D_11G_ONLY_MODE or D_11BG_COMPATIBLE_MODE */
|
for (i = 0; i < priv->reg.rate_set.size; i++) {
|
if (!is_11bg_rate(priv->reg.rate_set.body[i]))
|
break;
|
|
if (is_ofdm_ext_rate(priv->reg.rate_set.body[i])) {
|
rate_octet[i] = priv->reg.rate_set.body[i] &
|
RATE_MASK;
|
} else {
|
rate_octet[i] = priv->reg.rate_set.body[i];
|
}
|
}
|
}
|
rate_size = i;
|
if (rate_size == 0) {
|
if (priv->reg.phy_type == D_11G_ONLY_MODE)
|
rate_octet[0] = TX_RATE_6M | BASIC_RATE;
|
else
|
rate_octet[0] = TX_RATE_2M | BASIC_RATE;
|
rate_size = 1;
|
}
|
|
/* rate set update */
|
priv->reg.rate_set.size = rate_size;
|
memcpy(&priv->reg.rate_set.body[0], &rate_octet[0], rate_size);
|
|
switch (priv->reg.operation_mode) {
|
case MODE_PSEUDO_ADHOC:
|
hostif_ps_adhoc_set_request(priv);
|
break;
|
case MODE_INFRASTRUCTURE:
|
if (!is_valid_ether_addr((u8 *)priv->reg.bssid)) {
|
hostif_infrastructure_set_request(priv,
|
HIF_INFRA_SET_REQ);
|
} else {
|
hostif_infrastructure_set_request(priv,
|
HIF_INFRA_SET2_REQ);
|
netdev_dbg(priv->net_dev,
|
"Infra bssid = %pM\n", priv->reg.bssid);
|
}
|
break;
|
case MODE_ADHOC:
|
if (!is_valid_ether_addr((u8 *)priv->reg.bssid)) {
|
hostif_adhoc_set_request(priv);
|
} else {
|
hostif_adhoc_set2_request(priv);
|
netdev_dbg(priv->net_dev,
|
"Adhoc bssid = %pM\n", priv->reg.bssid);
|
}
|
break;
|
default:
|
break;
|
}
|
}
|
|
static
|
void hostif_sme_multicast_set(struct ks_wlan_private *priv)
|
{
|
struct net_device *dev = priv->net_dev;
|
int mc_count;
|
struct netdev_hw_addr *ha;
|
char set_address[NIC_MAX_MCAST_LIST * ETH_ALEN];
|
int i = 0;
|
|
spin_lock(&priv->multicast_spin);
|
|
memset(set_address, 0, NIC_MAX_MCAST_LIST * ETH_ALEN);
|
|
if (dev->flags & IFF_PROMISC) {
|
hostif_mib_set_request_int(priv, LOCAL_MULTICAST_FILTER,
|
MCAST_FILTER_PROMISC);
|
goto spin_unlock;
|
}
|
|
if ((netdev_mc_count(dev) > NIC_MAX_MCAST_LIST) ||
|
(dev->flags & IFF_ALLMULTI)) {
|
hostif_mib_set_request_int(priv, LOCAL_MULTICAST_FILTER,
|
MCAST_FILTER_MCASTALL);
|
goto spin_unlock;
|
}
|
|
if (priv->sme_i.sme_flag & SME_MULTICAST) {
|
mc_count = netdev_mc_count(dev);
|
netdev_for_each_mc_addr(ha, dev) {
|
ether_addr_copy(&set_address[i * ETH_ALEN], ha->addr);
|
i++;
|
}
|
priv->sme_i.sme_flag &= ~SME_MULTICAST;
|
hostif_mib_set_request_ostring(priv, LOCAL_MULTICAST_ADDRESS,
|
&set_address[0],
|
ETH_ALEN * mc_count);
|
} else {
|
priv->sme_i.sme_flag |= SME_MULTICAST;
|
hostif_mib_set_request_int(priv, LOCAL_MULTICAST_FILTER,
|
MCAST_FILTER_MCAST);
|
}
|
|
spin_unlock:
|
spin_unlock(&priv->multicast_spin);
|
}
|
|
static void hostif_sme_power_mgmt_set(struct ks_wlan_private *priv)
|
{
|
u32 mode, wake_up, receive_dtims;
|
|
if (priv->reg.power_mgmt != POWER_MGMT_SAVE1 &&
|
priv->reg.power_mgmt != POWER_MGMT_SAVE2) {
|
mode = POWER_ACTIVE;
|
wake_up = 0;
|
receive_dtims = 0;
|
} else {
|
mode = (priv->reg.operation_mode == MODE_INFRASTRUCTURE) ?
|
POWER_SAVE : POWER_ACTIVE;
|
wake_up = 0;
|
receive_dtims = (priv->reg.operation_mode == MODE_INFRASTRUCTURE &&
|
priv->reg.power_mgmt == POWER_MGMT_SAVE2);
|
}
|
|
hostif_power_mgmt_request(priv, mode, wake_up, receive_dtims);
|
}
|
|
static void hostif_sme_sleep_set(struct ks_wlan_private *priv)
|
{
|
if (priv->sleep_mode != SLP_SLEEP &&
|
priv->sleep_mode != SLP_ACTIVE)
|
return;
|
|
hostif_sleep_request(priv, priv->sleep_mode);
|
}
|
|
static
|
void hostif_sme_set_key(struct ks_wlan_private *priv, int type)
|
{
|
switch (type) {
|
case SME_SET_FLAG:
|
hostif_mib_set_request_bool(priv, DOT11_PRIVACY_INVOKED,
|
priv->reg.privacy_invoked);
|
break;
|
case SME_SET_TXKEY:
|
hostif_mib_set_request_int(priv, DOT11_WEP_DEFAULT_KEY_ID,
|
priv->wpa.txkey);
|
break;
|
case SME_SET_KEY1:
|
hostif_mib_set_request_ostring(priv,
|
DOT11_WEP_DEFAULT_KEY_VALUE1,
|
&priv->wpa.key[0].key_val[0],
|
priv->wpa.key[0].key_len);
|
break;
|
case SME_SET_KEY2:
|
hostif_mib_set_request_ostring(priv,
|
DOT11_WEP_DEFAULT_KEY_VALUE2,
|
&priv->wpa.key[1].key_val[0],
|
priv->wpa.key[1].key_len);
|
break;
|
case SME_SET_KEY3:
|
hostif_mib_set_request_ostring(priv,
|
DOT11_WEP_DEFAULT_KEY_VALUE3,
|
&priv->wpa.key[2].key_val[0],
|
priv->wpa.key[2].key_len);
|
break;
|
case SME_SET_KEY4:
|
hostif_mib_set_request_ostring(priv,
|
DOT11_WEP_DEFAULT_KEY_VALUE4,
|
&priv->wpa.key[3].key_val[0],
|
priv->wpa.key[3].key_len);
|
break;
|
case SME_SET_PMK_TSC:
|
hostif_mib_set_request_ostring(priv, DOT11_PMK_TSC,
|
&priv->wpa.key[0].rx_seq[0],
|
WPA_RX_SEQ_LEN);
|
break;
|
case SME_SET_GMK1_TSC:
|
hostif_mib_set_request_ostring(priv, DOT11_GMK1_TSC,
|
&priv->wpa.key[1].rx_seq[0],
|
WPA_RX_SEQ_LEN);
|
break;
|
case SME_SET_GMK2_TSC:
|
hostif_mib_set_request_ostring(priv, DOT11_GMK2_TSC,
|
&priv->wpa.key[2].rx_seq[0],
|
WPA_RX_SEQ_LEN);
|
break;
|
}
|
}
|
|
static
|
void hostif_sme_set_pmksa(struct ks_wlan_private *priv)
|
{
|
struct pmk_cache {
|
__le16 size;
|
struct {
|
u8 bssid[ETH_ALEN];
|
u8 pmkid[IW_PMKID_LEN];
|
} __packed list[PMK_LIST_MAX];
|
} __packed pmkcache;
|
struct pmk *pmk;
|
size_t size;
|
int i = 0;
|
|
list_for_each_entry(pmk, &priv->pmklist.head, list) {
|
if (i >= PMK_LIST_MAX)
|
break;
|
ether_addr_copy(pmkcache.list[i].bssid, pmk->bssid);
|
memcpy(pmkcache.list[i].pmkid, pmk->pmkid, IW_PMKID_LEN);
|
i++;
|
}
|
pmkcache.size = cpu_to_le16(priv->pmklist.size);
|
size = sizeof(priv->pmklist.size) +
|
((ETH_ALEN + IW_PMKID_LEN) * priv->pmklist.size);
|
hostif_mib_set_request_ostring(priv, LOCAL_PMK, &pmkcache, size);
|
}
|
|
/* execute sme */
|
static void hostif_sme_execute(struct ks_wlan_private *priv, int event)
|
{
|
u16 failure;
|
|
switch (event) {
|
case SME_START:
|
if (priv->dev_state == DEVICE_STATE_BOOT)
|
hostif_mib_get_request(priv, DOT11_MAC_ADDRESS);
|
break;
|
case SME_MULTICAST_REQUEST:
|
hostif_sme_multicast_set(priv);
|
break;
|
case SME_MACADDRESS_SET_REQUEST:
|
hostif_mib_set_request_ostring(priv, LOCAL_CURRENTADDRESS,
|
&priv->eth_addr[0], ETH_ALEN);
|
break;
|
case SME_BSS_SCAN_REQUEST:
|
hostif_bss_scan_request(priv, priv->reg.scan_type,
|
priv->scan_ssid, priv->scan_ssid_len);
|
break;
|
case SME_POW_MNGMT_REQUEST:
|
hostif_sme_power_mgmt_set(priv);
|
break;
|
case SME_PHY_INFO_REQUEST:
|
hostif_phy_information_request(priv);
|
break;
|
case SME_MIC_FAILURE_REQUEST:
|
failure = priv->wpa.mic_failure.failure;
|
if (failure != 1 && failure != 2) {
|
netdev_err(priv->net_dev,
|
"SME_MIC_FAILURE_REQUEST: failure count=%u error?\n",
|
failure);
|
return;
|
}
|
hostif_mic_failure_request(priv, failure - 1, (failure == 1) ?
|
0 : priv->wpa.mic_failure.counter);
|
break;
|
case SME_MIC_FAILURE_CONFIRM:
|
if (priv->wpa.mic_failure.failure == 2) {
|
if (priv->wpa.mic_failure.stop)
|
priv->wpa.mic_failure.stop = 0;
|
priv->wpa.mic_failure.failure = 0;
|
hostif_start_request(priv, priv->reg.operation_mode);
|
}
|
break;
|
case SME_GET_MAC_ADDRESS:
|
if (priv->dev_state == DEVICE_STATE_BOOT)
|
hostif_mib_get_request(priv, DOT11_PRODUCT_VERSION);
|
break;
|
case SME_GET_PRODUCT_VERSION:
|
if (priv->dev_state == DEVICE_STATE_BOOT)
|
priv->dev_state = DEVICE_STATE_PREINIT;
|
break;
|
case SME_STOP_REQUEST:
|
hostif_stop_request(priv);
|
break;
|
case SME_RTS_THRESHOLD_REQUEST:
|
hostif_mib_set_request_int(priv, DOT11_RTS_THRESHOLD,
|
priv->reg.rts);
|
break;
|
case SME_FRAGMENTATION_THRESHOLD_REQUEST:
|
hostif_mib_set_request_int(priv, DOT11_FRAGMENTATION_THRESHOLD,
|
priv->reg.fragment);
|
break;
|
case SME_WEP_INDEX_REQUEST:
|
case SME_WEP_KEY1_REQUEST:
|
case SME_WEP_KEY2_REQUEST:
|
case SME_WEP_KEY3_REQUEST:
|
case SME_WEP_KEY4_REQUEST:
|
case SME_WEP_FLAG_REQUEST:
|
hostif_sme_set_wep(priv, event);
|
break;
|
case SME_RSN_UCAST_REQUEST:
|
case SME_RSN_MCAST_REQUEST:
|
case SME_RSN_AUTH_REQUEST:
|
case SME_RSN_ENABLED_REQUEST:
|
case SME_RSN_MODE_REQUEST:
|
hostif_sme_set_rsn(priv, event);
|
break;
|
case SME_SET_FLAG:
|
case SME_SET_TXKEY:
|
case SME_SET_KEY1:
|
case SME_SET_KEY2:
|
case SME_SET_KEY3:
|
case SME_SET_KEY4:
|
case SME_SET_PMK_TSC:
|
case SME_SET_GMK1_TSC:
|
case SME_SET_GMK2_TSC:
|
hostif_sme_set_key(priv, event);
|
break;
|
case SME_SET_PMKSA:
|
hostif_sme_set_pmksa(priv);
|
break;
|
case SME_WPS_ENABLE_REQUEST:
|
hostif_mib_set_request_int(priv, LOCAL_WPS_ENABLE,
|
priv->wps.wps_enabled);
|
break;
|
case SME_WPS_PROBE_REQUEST:
|
hostif_mib_set_request_ostring(priv, LOCAL_WPS_PROBE_REQ,
|
priv->wps.ie, priv->wps.ielen);
|
break;
|
case SME_MODE_SET_REQUEST:
|
hostif_sme_mode_setup(priv);
|
break;
|
case SME_SET_GAIN:
|
hostif_mib_set_request_ostring(priv, LOCAL_GAIN,
|
&priv->gain, sizeof(priv->gain));
|
break;
|
case SME_GET_GAIN:
|
hostif_mib_get_request(priv, LOCAL_GAIN);
|
break;
|
case SME_GET_EEPROM_CKSUM:
|
priv->eeprom_checksum = EEPROM_FW_NOT_SUPPORT; /* initialize */
|
hostif_mib_get_request(priv, LOCAL_EEPROM_SUM);
|
break;
|
case SME_START_REQUEST:
|
hostif_start_request(priv, priv->reg.operation_mode);
|
break;
|
case SME_START_CONFIRM:
|
/* for power save */
|
atomic_set(&priv->psstatus.snooze_guard, 0);
|
atomic_set(&priv->psstatus.confirm_wait, 0);
|
if (priv->dev_state == DEVICE_STATE_PREINIT)
|
priv->dev_state = DEVICE_STATE_INIT;
|
/* wake_up_interruptible_all(&priv->confirm_wait); */
|
complete(&priv->confirm_wait);
|
break;
|
case SME_SLEEP_REQUEST:
|
hostif_sme_sleep_set(priv);
|
break;
|
case SME_SET_REGION:
|
hostif_mib_set_request_int(priv, LOCAL_REGION, priv->region);
|
break;
|
case SME_MULTICAST_CONFIRM:
|
case SME_BSS_SCAN_CONFIRM:
|
case SME_POW_MNGMT_CONFIRM:
|
case SME_PHY_INFO_CONFIRM:
|
case SME_STOP_CONFIRM:
|
case SME_RTS_THRESHOLD_CONFIRM:
|
case SME_FRAGMENTATION_THRESHOLD_CONFIRM:
|
case SME_WEP_INDEX_CONFIRM:
|
case SME_WEP_KEY1_CONFIRM:
|
case SME_WEP_KEY2_CONFIRM:
|
case SME_WEP_KEY3_CONFIRM:
|
case SME_WEP_KEY4_CONFIRM:
|
case SME_WEP_FLAG_CONFIRM:
|
case SME_RSN_UCAST_CONFIRM:
|
case SME_RSN_MCAST_CONFIRM:
|
case SME_RSN_AUTH_CONFIRM:
|
case SME_RSN_ENABLED_CONFIRM:
|
case SME_RSN_MODE_CONFIRM:
|
case SME_MODE_SET_CONFIRM:
|
case SME_TERMINATE:
|
default:
|
break;
|
}
|
}
|
|
static
|
void hostif_sme_task(struct tasklet_struct *t)
|
{
|
struct ks_wlan_private *priv = from_tasklet(priv, t, sme_task);
|
|
if (priv->dev_state < DEVICE_STATE_BOOT)
|
return;
|
|
if (cnt_smeqbody(priv) <= 0)
|
return;
|
|
hostif_sme_execute(priv, priv->sme_i.event_buff[priv->sme_i.qhead]);
|
inc_smeqhead(priv);
|
if (cnt_smeqbody(priv) > 0)
|
tasklet_schedule(&priv->sme_task);
|
}
|
|
/* send to Station Management Entity module */
|
void hostif_sme_enqueue(struct ks_wlan_private *priv, u16 event)
|
{
|
/* enqueue sme event */
|
if (cnt_smeqbody(priv) < (SME_EVENT_BUFF_SIZE - 1)) {
|
priv->sme_i.event_buff[priv->sme_i.qtail] = event;
|
inc_smeqtail(priv);
|
} else {
|
/* in case of buffer overflow */
|
netdev_err(priv->net_dev, "sme queue buffer overflow\n");
|
}
|
|
tasklet_schedule(&priv->sme_task);
|
}
|
|
static inline void hostif_aplist_init(struct ks_wlan_private *priv)
|
{
|
size_t size = LOCAL_APLIST_MAX * sizeof(struct local_ap);
|
|
priv->aplist.size = 0;
|
memset(&priv->aplist.ap[0], 0, size);
|
}
|
|
static inline void hostif_status_init(struct ks_wlan_private *priv)
|
{
|
priv->infra_status = 0;
|
priv->current_rate = 4;
|
priv->connect_status = DISCONNECT_STATUS;
|
}
|
|
static inline void hostif_sme_init(struct ks_wlan_private *priv)
|
{
|
priv->sme_i.sme_status = SME_IDLE;
|
priv->sme_i.qhead = 0;
|
priv->sme_i.qtail = 0;
|
spin_lock_init(&priv->sme_i.sme_spin);
|
priv->sme_i.sme_flag = 0;
|
tasklet_setup(&priv->sme_task, hostif_sme_task);
|
}
|
|
static inline void hostif_wpa_init(struct ks_wlan_private *priv)
|
{
|
memset(&priv->wpa, 0, sizeof(priv->wpa));
|
priv->wpa.rsn_enabled = false;
|
priv->wpa.mic_failure.failure = 0;
|
priv->wpa.mic_failure.last_failure_time = 0;
|
priv->wpa.mic_failure.stop = 0;
|
}
|
|
static inline void hostif_power_save_init(struct ks_wlan_private *priv)
|
{
|
atomic_set(&priv->psstatus.status, PS_NONE);
|
atomic_set(&priv->psstatus.confirm_wait, 0);
|
atomic_set(&priv->psstatus.snooze_guard, 0);
|
init_completion(&priv->psstatus.wakeup_wait);
|
INIT_WORK(&priv->wakeup_work, ks_wlan_hw_wakeup_task);
|
}
|
|
static inline void hostif_pmklist_init(struct ks_wlan_private *priv)
|
{
|
int i;
|
|
memset(&priv->pmklist, 0, sizeof(priv->pmklist));
|
INIT_LIST_HEAD(&priv->pmklist.head);
|
for (i = 0; i < PMK_LIST_MAX; i++)
|
INIT_LIST_HEAD(&priv->pmklist.pmk[i].list);
|
}
|
|
static inline void hostif_counters_init(struct ks_wlan_private *priv)
|
{
|
priv->dev_count = 0;
|
atomic_set(&priv->event_count, 0);
|
atomic_set(&priv->rec_count, 0);
|
}
|
|
int hostif_init(struct ks_wlan_private *priv)
|
{
|
hostif_aplist_init(priv);
|
hostif_status_init(priv);
|
|
spin_lock_init(&priv->multicast_spin);
|
spin_lock_init(&priv->dev_read_lock);
|
init_waitqueue_head(&priv->devread_wait);
|
|
hostif_counters_init(priv);
|
hostif_power_save_init(priv);
|
hostif_wpa_init(priv);
|
hostif_pmklist_init(priv);
|
hostif_sme_init(priv);
|
|
return 0;
|
}
|
|
void hostif_exit(struct ks_wlan_private *priv)
|
{
|
tasklet_kill(&priv->sme_task);
|
}
|
