struct rndis_wlan_encr_key {
int len;
- int cipher;
+ u32 cipher;
u8 material[32];
u8 bssid[ETH_ALEN];
bool pairwise;
struct cfg80211_scan_request *scan_request;
struct workqueue_struct *workqueue;
- struct delayed_work stats_work;
+ struct delayed_work dev_poller_work;
struct delayed_work scan_work;
struct work_struct work;
struct mutex command_lock;
- spinlock_t stats_lock;
unsigned long work_pending;
+ int last_qual;
struct ieee80211_supported_band band;
struct ieee80211_channel channels[ARRAY_SIZE(rndis_channels)];
struct ieee80211_rate rates[ARRAY_SIZE(rndis_rates)];
u32 cipher_suites[ARRAY_SIZE(rndis_cipher_suites)];
- struct iw_statistics iwstats;
- struct iw_statistics privstats;
-
int caps;
int multicast_size;
int radio_on;
int infra_mode;
bool connected;
+ u8 bssid[ETH_ALEN];
struct ndis_80211_ssid essid;
__le32 current_command_oid;
static int rndis_set_channel(struct wiphy *wiphy,
struct ieee80211_channel *chan, enum nl80211_channel_type channel_type);
+static int rndis_add_key(struct wiphy *wiphy, struct net_device *netdev,
+ u8 key_index, const u8 *mac_addr,
+ struct key_params *params);
+
+static int rndis_del_key(struct wiphy *wiphy, struct net_device *netdev,
+ u8 key_index, const u8 *mac_addr);
+
+static int rndis_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
+ u8 key_index);
+
+static int rndis_get_station(struct wiphy *wiphy, struct net_device *dev,
+ u8 *mac, struct station_info *sinfo);
+
+static int rndis_dump_station(struct wiphy *wiphy, struct net_device *dev,
+ int idx, u8 *mac, struct station_info *sinfo);
+
static struct cfg80211_ops rndis_config_ops = {
.change_virtual_intf = rndis_change_virtual_intf,
.scan = rndis_scan,
.join_ibss = rndis_join_ibss,
.leave_ibss = rndis_leave_ibss,
.set_channel = rndis_set_channel,
+ .add_key = rndis_add_key,
+ .del_key = rndis_del_key,
+ .set_default_key = rndis_set_default_key,
+ .get_station = rndis_get_station,
+ .dump_station = rndis_dump_station,
};
static void *rndis_wiphy_privid = &rndis_wiphy_privid;
{
struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
struct ndis_80211_wep_key ndis_key;
- int cipher, ret;
+ u32 cipher;
+ int ret;
+
+ devdbg(usbdev, "add_wep_key(idx: %d, len: %d)", index, key_len);
if ((key_len != 5 && key_len != 13) || index < 0 || index > 3)
return -EINVAL;
static int add_wpa_key(struct usbnet *usbdev, const u8 *key, int key_len,
- int index, const u8 *addr, const u8 *rx_seq, int cipher,
- int flags)
+ int index, const u8 *addr, const u8 *rx_seq,
+ int seq_len, u32 cipher, int flags)
{
struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
struct ndis_80211_key ndis_key;
key_len);
return -EINVAL;
}
- if ((flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ) && !rx_seq) {
- devdbg(usbdev, "add_wpa_key: recv seq flag without buffer");
- return -EINVAL;
+ if (flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ) {
+ if (!rx_seq || seq_len <= 0) {
+ devdbg(usbdev, "add_wpa_key: recv seq flag without"
+ "buffer");
+ return -EINVAL;
+ }
+ if (rx_seq && seq_len > sizeof(ndis_key.rsc)) {
+ devdbg(usbdev, "add_wpa_key: too big recv seq buffer");
+ return -EINVAL;
+ }
}
+
is_addr_ok = addr && !is_zero_ether_addr(addr) &&
!is_broadcast_ether_addr(addr);
if ((flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) && !is_addr_ok) {
memcpy(ndis_key.material, key, key_len);
if (flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ)
- memcpy(ndis_key.rsc, rx_seq, 6);
+ memcpy(ndis_key.rsc, rx_seq, seq_len);
if (flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) {
/* pairwise key */
{
struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
struct rndis_wlan_encr_key key;
- int flags;
+
+ if (is_wpa_key(priv, key_idx))
+ return 0;
key = priv->encr_keys[key_idx];
- devdbg(usbdev, "restore_key: %i:%s:%i", key_idx,
- is_wpa_key(priv, key_idx) ? "wpa" : "wep",
- key.len);
+ devdbg(usbdev, "restore_key: %i:%i", key_idx, key.len);
if (key.len == 0)
return 0;
- if (is_wpa_key(priv, key_idx)) {
- flags = 0;
-
- /*if (priv->encr_tx_key_index == key_idx)
- flags |= NDIS_80211_ADDKEY_TRANSMIT_KEY;*/
-
- if (!is_zero_ether_addr(key.bssid) &&
- !is_broadcast_ether_addr(key.bssid))
- flags |= NDIS_80211_ADDKEY_PAIRWISE_KEY;
-
- return add_wpa_key(usbdev, key.material, key.len, key_idx,
- key.bssid, NULL, key.cipher, flags);
- }
-
return add_wep_key(usbdev, key.material, key.len, key_idx);
}
/* remove_key is for both wep and wpa */
-static int remove_key(struct usbnet *usbdev, int index, u8 bssid[ETH_ALEN])
+static int remove_key(struct usbnet *usbdev, int index, const u8 *bssid)
{
struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
struct ndis_80211_remove_key remove_key;
devdbg(usbdev, "cfg80211.disconnect(%d)", reason_code);
priv->connected = false;
+ memset(priv->bssid, 0, ETH_ALEN);
return deauthenticate(usbdev);
}
devdbg(usbdev, "cfg80211.leave_ibss()");
priv->connected = false;
+ memset(priv->bssid, 0, ETH_ALEN);
return deauthenticate(usbdev);
}
ieee80211_frequency_to_channel(chan->center_freq));
}
-/*
- * wireless extension handlers
- */
+static int rndis_add_key(struct wiphy *wiphy, struct net_device *netdev,
+ u8 key_index, const u8 *mac_addr,
+ struct key_params *params)
+{
+ struct rndis_wlan_private *priv = wiphy_priv(wiphy);
+ struct usbnet *usbdev = priv->usbdev;
+ int flags;
-static int rndis_iw_commit(struct net_device *dev,
- struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
+ devdbg(usbdev, "rndis_add_key(%i, %pM, %08x)", key_index, mac_addr,
+ params->cipher);
+
+ switch (params->cipher) {
+ case WLAN_CIPHER_SUITE_WEP40:
+ case WLAN_CIPHER_SUITE_WEP104:
+ return add_wep_key(usbdev, params->key, params->key_len,
+ key_index);
+ case WLAN_CIPHER_SUITE_TKIP:
+ case WLAN_CIPHER_SUITE_CCMP:
+ flags = 0;
+
+ if (params->seq && params->seq_len > 0)
+ flags |= NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ;
+ if (mac_addr)
+ flags |= NDIS_80211_ADDKEY_PAIRWISE_KEY |
+ NDIS_80211_ADDKEY_TRANSMIT_KEY;
+
+ return add_wpa_key(usbdev, params->key, params->key_len,
+ key_index, mac_addr, params->seq,
+ params->seq_len, params->cipher, flags);
+ default:
+ devdbg(usbdev, "rndis_add_key: unsupported cipher %08x",
+ params->cipher);
+ return -ENOTSUPP;
+ }
+}
+
+static int rndis_del_key(struct wiphy *wiphy, struct net_device *netdev,
+ u8 key_index, const u8 *mac_addr)
+{
+ struct rndis_wlan_private *priv = wiphy_priv(wiphy);
+ struct usbnet *usbdev = priv->usbdev;
+
+ devdbg(usbdev, "rndis_del_key(%i, %pM)", key_index, mac_addr);
+
+ return remove_key(usbdev, key_index, mac_addr);
+}
+
+static int rndis_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
+ u8 key_index)
+{
+ struct rndis_wlan_private *priv = wiphy_priv(wiphy);
+ struct usbnet *usbdev = priv->usbdev;
+ struct rndis_wlan_encr_key key;
+
+ devdbg(usbdev, "rndis_set_default_key(%i)", key_index);
+
+ priv->encr_tx_key_index = key_index;
+
+ key = priv->encr_keys[key_index];
+
+ return add_wep_key(usbdev, key.material, key.len, key_index);
+}
+
+static void rndis_fill_station_info(struct usbnet *usbdev,
+ struct station_info *sinfo)
+{
+ __le32 linkspeed, rssi;
+ int ret, len;
+
+ memset(sinfo, 0, sizeof(*sinfo));
+
+ len = sizeof(linkspeed);
+ ret = rndis_query_oid(usbdev, OID_GEN_LINK_SPEED, &linkspeed, &len);
+ if (ret == 0) {
+ sinfo->txrate.legacy = le32_to_cpu(linkspeed) / 1000;
+ sinfo->filled |= STATION_INFO_TX_BITRATE;
+ }
+
+ len = sizeof(rssi);
+ ret = rndis_query_oid(usbdev, OID_802_11_RSSI, &rssi, &len);
+ if (ret == 0) {
+ sinfo->signal = level_to_qual(le32_to_cpu(rssi));
+ sinfo->filled |= STATION_INFO_SIGNAL;
+ }
+}
+
+static int rndis_get_station(struct wiphy *wiphy, struct net_device *dev,
+ u8 *mac, struct station_info *sinfo)
+{
+ struct rndis_wlan_private *priv = wiphy_priv(wiphy);
+ struct usbnet *usbdev = priv->usbdev;
+
+ if (compare_ether_addr(priv->bssid, mac))
+ return -ENOENT;
+
+ rndis_fill_station_info(usbdev, sinfo);
+
+ return 0;
+}
+
+static int rndis_dump_station(struct wiphy *wiphy, struct net_device *dev,
+ int idx, u8 *mac, struct station_info *sinfo)
{
- /* dummy op */
+ struct rndis_wlan_private *priv = wiphy_priv(wiphy);
+ struct usbnet *usbdev = priv->usbdev;
+
+ if (idx != 0)
+ return -ENOENT;
+
+ memcpy(mac, priv->bssid, ETH_ALEN);
+
+ rndis_fill_station_info(usbdev, sinfo);
+
return 0;
}
+/*
+ * wireless extension handlers
+ */
+
#if 0
/* Commented code out instead of removing to have more sane patch for review.
* Will be removed later in the set.
}
return 0;
}
-#endif
static int rndis_iw_set_encode(struct net_device *dev,
return &priv->iwstats;
}
+#endif
#define IW_IOCTL(x) [(x) - SIOCSIWCOMMIT]
static const iw_handler rndis_iw_handler[] =
{
- IW_IOCTL(SIOCSIWCOMMIT) = rndis_iw_commit,
IW_IOCTL(SIOCGIWNAME) = (iw_handler) cfg80211_wext_giwname,
IW_IOCTL(SIOCSIWFREQ) = (iw_handler) cfg80211_wext_siwfreq,
IW_IOCTL(SIOCGIWFREQ) = (iw_handler) cfg80211_wext_giwfreq,
IW_IOCTL(SIOCGIWSCAN) = (iw_handler) cfg80211_wext_giwscan,
IW_IOCTL(SIOCSIWESSID) = (iw_handler) cfg80211_wext_siwessid,
IW_IOCTL(SIOCGIWESSID) = (iw_handler) cfg80211_wext_giwessid,
- IW_IOCTL(SIOCGIWRATE) = rndis_iw_get_rate,
+ IW_IOCTL(SIOCGIWRATE) = (iw_handler) cfg80211_wext_giwrate,
IW_IOCTL(SIOCSIWRTS) = (iw_handler) cfg80211_wext_siwrts,
IW_IOCTL(SIOCGIWRTS) = (iw_handler) cfg80211_wext_giwrts,
IW_IOCTL(SIOCSIWFRAG) = (iw_handler) cfg80211_wext_siwfrag,
IW_IOCTL(SIOCGIWFRAG) = (iw_handler) cfg80211_wext_giwfrag,
IW_IOCTL(SIOCSIWTXPOW) = (iw_handler) cfg80211_wext_siwtxpower,
IW_IOCTL(SIOCGIWTXPOW) = (iw_handler) cfg80211_wext_giwtxpower,
- IW_IOCTL(SIOCSIWENCODE) = rndis_iw_set_encode,
- IW_IOCTL(SIOCSIWENCODEEXT) = rndis_iw_set_encode_ext,
+ IW_IOCTL(SIOCSIWENCODE) = (iw_handler) cfg80211_wext_siwencode,
+ IW_IOCTL(SIOCSIWENCODEEXT) = (iw_handler) cfg80211_wext_siwencodeext,
IW_IOCTL(SIOCSIWAUTH) = (iw_handler) cfg80211_wext_siwauth,
IW_IOCTL(SIOCGIWAUTH) = (iw_handler) cfg80211_wext_giwauth,
IW_IOCTL(SIOCSIWGENIE) = (iw_handler) cfg80211_wext_siwgenie,
.standard = (iw_handler *)rndis_iw_handler,
.private = (iw_handler *)rndis_wlan_private_handler,
.private_args = (struct iw_priv_args *)rndis_wlan_private_args,
- .get_wireless_stats = rndis_get_wireless_stats,
+ .get_wireless_stats = cfg80211_wireless_stats,
};
cfg80211_ibss_joined(usbdev->net, bssid, GFP_KERNEL);
priv->connected = true;
+ memcpy(priv->bssid, bssid, ETH_ALEN);
usbnet_resume_rx(usbdev);
netif_carrier_on(usbdev->net);
{
u8 *buf;
const char *type;
- int flags, buflen;
+ int flags, buflen, key_id;
bool pairwise_error, group_error;
struct ndis_80211_auth_request *auth_req;
+ enum nl80211_key_type key_type;
/* must have at least one array entry */
if (len < offsetof(struct ndis_80211_status_indication, u) +
devinfo(usbdev, "authentication indication: %s (0x%08x)", type,
le32_to_cpu(auth_req->flags));
- if (pairwise_error || group_error) {
- union iwreq_data wrqu;
- struct iw_michaelmicfailure micfailure;
+ if (pairwise_error) {
+ key_type = NL80211_KEYTYPE_PAIRWISE;
+ key_id = -1;
- memset(&micfailure, 0, sizeof(micfailure));
- if (pairwise_error)
- micfailure.flags |= IW_MICFAILURE_PAIRWISE;
- if (group_error)
- micfailure.flags |= IW_MICFAILURE_GROUP;
+ cfg80211_michael_mic_failure(usbdev->net,
+ auth_req->bssid,
+ key_type, key_id, NULL,
+ GFP_KERNEL);
+ }
- memcpy(micfailure.src_addr.sa_data, auth_req->bssid,
- ETH_ALEN);
+ if (group_error) {
+ key_type = NL80211_KEYTYPE_GROUP;
+ key_id = -1;
- memset(&wrqu, 0, sizeof(wrqu));
- wrqu.data.length = sizeof(micfailure);
- wireless_send_event(usbdev->net, IWEVMICHAELMICFAILURE,
- &wrqu, (u8 *)&micfailure);
+ cfg80211_michael_mic_failure(usbdev->net,
+ auth_req->bssid,
+ key_type, key_id, NULL,
+ GFP_KERNEL);
}
buflen -= le32_to_cpu(auth_req->length);
return;
for (i = 0; i < le32_to_cpu(cand_list->num_candidates); i++) {
- struct iw_pmkid_cand pcand;
- union iwreq_data wrqu;
struct ndis_80211_pmkid_candidate *cand =
&cand_list->candidate_list[i];
devdbg(usbdev, "cand[%i]: flags: 0x%08x, bssid: %pM",
i, le32_to_cpu(cand->flags), cand->bssid);
+#if 0
+ struct iw_pmkid_cand pcand;
+ union iwreq_data wrqu;
+
memset(&pcand, 0, sizeof(pcand));
if (le32_to_cpu(cand->flags) & 0x01)
pcand.flags |= IW_PMKID_CAND_PREAUTH;
wrqu.data.length = sizeof(pcand);
wireless_send_event(usbdev->net, IWEVPMKIDCAND, &wrqu,
(u8 *)&pcand);
+#endif
}
}
}
-#define STATS_UPDATE_JIFFIES (HZ)
-static void rndis_update_wireless_stats(struct work_struct *work)
+#define DEVICE_POLLER_JIFFIES (HZ)
+static void rndis_device_poller(struct work_struct *work)
{
struct rndis_wlan_private *priv =
- container_of(work, struct rndis_wlan_private, stats_work.work);
+ container_of(work, struct rndis_wlan_private,
+ dev_poller_work.work);
struct usbnet *usbdev = priv->usbdev;
- struct iw_statistics iwstats;
__le32 rssi, tmp;
int len, ret, j;
- unsigned long flags;
- int update_jiffies = STATS_UPDATE_JIFFIES;
+ int update_jiffies = DEVICE_POLLER_JIFFIES;
void *buf;
- spin_lock_irqsave(&priv->stats_lock, flags);
- memcpy(&iwstats, &priv->privstats, sizeof(iwstats));
- spin_unlock_irqrestore(&priv->stats_lock, flags);
-
- /* only update stats when connected */
- if (!is_associated(usbdev)) {
- iwstats.qual.qual = 0;
- iwstats.qual.level = 0;
- iwstats.qual.updated = IW_QUAL_QUAL_UPDATED
- | IW_QUAL_LEVEL_UPDATED
- | IW_QUAL_NOISE_INVALID
- | IW_QUAL_QUAL_INVALID
- | IW_QUAL_LEVEL_INVALID;
+ /* Only check/do workaround when connected. Calling is_associated()
+ * also polls device with rndis_command() and catches for media link
+ * indications.
+ */
+ if (!is_associated(usbdev))
goto end;
- }
len = sizeof(rssi);
ret = rndis_query_oid(usbdev, OID_802_11_RSSI, &rssi, &len);
-
- devdbg(usbdev, "stats: OID_802_11_RSSI -> %d, rssi:%d", ret,
- le32_to_cpu(rssi));
- if (ret == 0) {
- memset(&iwstats.qual, 0, sizeof(iwstats.qual));
- iwstats.qual.qual = level_to_qual(le32_to_cpu(rssi));
- iwstats.qual.level = level_to_qual(le32_to_cpu(rssi));
- iwstats.qual.updated = IW_QUAL_QUAL_UPDATED
- | IW_QUAL_LEVEL_UPDATED
- | IW_QUAL_NOISE_INVALID;
- }
-
- memset(&iwstats.discard, 0, sizeof(iwstats.discard));
-
- len = sizeof(tmp);
- ret = rndis_query_oid(usbdev, OID_GEN_XMIT_ERROR, &tmp, &len);
if (ret == 0)
- iwstats.discard.misc += le32_to_cpu(tmp);
+ priv->last_qual = level_to_qual(le32_to_cpu(rssi));
- len = sizeof(tmp);
- ret = rndis_query_oid(usbdev, OID_GEN_RCV_ERROR, &tmp, &len);
- if (ret == 0)
- iwstats.discard.misc += le32_to_cpu(tmp);
-
- len = sizeof(tmp);
- ret = rndis_query_oid(usbdev, OID_GEN_RCV_NO_BUFFER, &tmp, &len);
- if (ret == 0)
- iwstats.discard.misc += le32_to_cpu(tmp);
+ devdbg(usbdev, "dev-poller: OID_802_11_RSSI -> %d, rssi:%d, qual: %d",
+ ret, le32_to_cpu(rssi), level_to_qual(le32_to_cpu(rssi)));
/* Workaround transfer stalls on poor quality links.
* TODO: find right way to fix these stalls (as stalls do not happen
* with ndiswrapper/windows driver). */
- if (iwstats.qual.qual <= 25) {
+ if (priv->last_qual <= 25) {
/* Decrease stats worker interval to catch stalls.
* faster. Faster than 400-500ms causes packet loss,
* Slower doesn't catch stalls fast enough.
*/
j = msecs_to_jiffies(priv->param_workaround_interval);
- if (j > STATS_UPDATE_JIFFIES)
- j = STATS_UPDATE_JIFFIES;
+ if (j > DEVICE_POLLER_JIFFIES)
+ j = DEVICE_POLLER_JIFFIES;
else if (j <= 0)
j = 1;
update_jiffies = j;
rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &len);
kfree(buf);
}
-end:
- spin_lock_irqsave(&priv->stats_lock, flags);
- memcpy(&priv->privstats, &iwstats, sizeof(iwstats));
- spin_unlock_irqrestore(&priv->stats_lock, flags);
+end:
if (update_jiffies >= HZ)
update_jiffies = round_jiffies_relative(update_jiffies);
else {
update_jiffies = j;
}
- queue_delayed_work(priv->workqueue, &priv->stats_work, update_jiffies);
+ queue_delayed_work(priv->workqueue, &priv->dev_poller_work,
+ update_jiffies);
}
priv->usbdev = usbdev;
mutex_init(&priv->command_lock);
- spin_lock_init(&priv->stats_lock);
/* because rndis_command() sleeps we need to use workqueue */
priv->workqueue = create_singlethread_workqueue("rndis_wlan");
INIT_WORK(&priv->work, rndis_wlan_worker);
- INIT_DELAYED_WORK(&priv->stats_work, rndis_update_wireless_stats);
+ INIT_DELAYED_WORK(&priv->dev_poller_work, rndis_device_poller);
INIT_DELAYED_WORK(&priv->scan_work, rndis_get_scan_results);
/* try bind rndis_host */
else
usbdev->net->flags &= ~IFF_MULTICAST;
- priv->iwstats.qual.qual = 0;
- priv->iwstats.qual.level = 0;
- priv->iwstats.qual.updated = IW_QUAL_QUAL_UPDATED
- | IW_QUAL_LEVEL_UPDATED
- | IW_QUAL_NOISE_INVALID
- | IW_QUAL_QUAL_INVALID
- | IW_QUAL_LEVEL_INVALID;
-
/* fill-out wiphy structure and register w/ cfg80211 */
memcpy(wiphy->perm_addr, usbdev->net->dev_addr, ETH_ALEN);
wiphy->privid = rndis_wiphy_privid;
return 0;
fail:
- cancel_delayed_work_sync(&priv->stats_work);
+ cancel_delayed_work_sync(&priv->dev_poller_work);
cancel_delayed_work_sync(&priv->scan_work);
cancel_work_sync(&priv->work);
flush_workqueue(priv->workqueue);
/* turn radio off */
disassociate(usbdev, 0);
- cancel_delayed_work_sync(&priv->stats_work);
+ cancel_delayed_work_sync(&priv->dev_poller_work);
cancel_delayed_work_sync(&priv->scan_work);
cancel_work_sync(&priv->work);
flush_workqueue(priv->workqueue);
(set_multicast_list() also turns on current packet filter) */
set_multicast_list(usbdev);
- queue_delayed_work(priv->workqueue, &priv->stats_work,
- round_jiffies_relative(STATS_UPDATE_JIFFIES));
+ queue_delayed_work(priv->workqueue, &priv->dev_poller_work,
+ round_jiffies_relative(DEVICE_POLLER_JIFFIES));
return deauthenticate(usbdev);
}
retval = disassociate(usbdev, 0);
priv->work_pending = 0;
- cancel_delayed_work_sync(&priv->stats_work);
+ cancel_delayed_work_sync(&priv->dev_poller_work);
cancel_delayed_work_sync(&priv->scan_work);
cancel_work_sync(&priv->work);
flush_workqueue(priv->workqueue);
projects / ~andy / linux / blobdiff