* - RX filtering based on filter configuration (data->rx_filter)
*/
+#include <linux/list.h>
+#include <linux/spinlock.h>
#include <net/mac80211.h>
#include <net/ieee80211_radiotap.h>
#include <linux/if_arp.h>
#include <linux/rtnetlink.h>
#include <linux/etherdevice.h>
+#include <linux/debugfs.h>
MODULE_AUTHOR("Jouni Malinen");
MODULE_DESCRIPTION("Software simulator of 802.11 radio(s) for mac80211");
module_param(radios, int, 0444);
MODULE_PARM_DESC(radios, "Number of simulated radios");
+struct hwsim_vif_priv {
+ u32 magic;
+ u8 bssid[ETH_ALEN];
+ bool assoc;
+ u16 aid;
+};
+
+#define HWSIM_VIF_MAGIC 0x69537748
+
+static inline void hwsim_check_magic(struct ieee80211_vif *vif)
+{
+ struct hwsim_vif_priv *vp = (void *)vif->drv_priv;
+ WARN_ON(vp->magic != HWSIM_VIF_MAGIC);
+}
+
+static inline void hwsim_set_magic(struct ieee80211_vif *vif)
+{
+ struct hwsim_vif_priv *vp = (void *)vif->drv_priv;
+ vp->magic = HWSIM_VIF_MAGIC;
+}
+
+static inline void hwsim_clear_magic(struct ieee80211_vif *vif)
+{
+ struct hwsim_vif_priv *vp = (void *)vif->drv_priv;
+ vp->magic = 0;
+}
+
+struct hwsim_sta_priv {
+ u32 magic;
+};
+
+#define HWSIM_STA_MAGIC 0x6d537748
+
+static inline void hwsim_check_sta_magic(struct ieee80211_sta *sta)
+{
+ struct hwsim_sta_priv *sp = (void *)sta->drv_priv;
+ WARN_ON(sp->magic != HWSIM_STA_MAGIC);
+}
+
+static inline void hwsim_set_sta_magic(struct ieee80211_sta *sta)
+{
+ struct hwsim_sta_priv *sp = (void *)sta->drv_priv;
+ sp->magic = HWSIM_STA_MAGIC;
+}
+
+static inline void hwsim_clear_sta_magic(struct ieee80211_sta *sta)
+{
+ struct hwsim_sta_priv *sp = (void *)sta->drv_priv;
+ sp->magic = 0;
+}
static struct class *hwsim_class;
-static struct ieee80211_hw **hwsim_radios;
-static int hwsim_radio_count;
static struct net_device *hwsim_mon; /* global monitor netdev */
{ .bitrate = 540 }
};
+static spinlock_t hwsim_radio_lock;
+static struct list_head hwsim_radios;
+
struct mac80211_hwsim_data {
+ struct list_head list;
+ struct ieee80211_hw *hw;
struct device *dev;
struct ieee80211_supported_band band;
struct ieee80211_channel channels[ARRAY_SIZE(hwsim_channels)];
unsigned int rx_filter;
int started;
struct timer_list beacon_timer;
+ enum ps_mode {
+ PS_DISABLED, PS_ENABLED, PS_AUTO_POLL, PS_MANUAL_POLL
+ } ps;
+ bool ps_poll_pending;
+ struct dentry *debugfs;
+ struct dentry *debugfs_ps;
};
hdr->hdr.it_version = PKTHDR_RADIOTAP_VERSION;
hdr->hdr.it_pad = 0;
hdr->hdr.it_len = cpu_to_le16(sizeof(*hdr));
- hdr->hdr.it_present = __constant_cpu_to_le32(
- (1 << IEEE80211_RADIOTAP_FLAGS) |
- (1 << IEEE80211_RADIOTAP_RATE) |
- (1 << IEEE80211_RADIOTAP_CHANNEL));
+ hdr->hdr.it_present = cpu_to_le32((1 << IEEE80211_RADIOTAP_FLAGS) |
+ (1 << IEEE80211_RADIOTAP_RATE) |
+ (1 << IEEE80211_RADIOTAP_CHANNEL));
hdr->rt_flags = 0;
hdr->rt_rate = txrate->bitrate / 5;
- hdr->rt_channel = data->channel->center_freq;
+ hdr->rt_channel = cpu_to_le16(data->channel->center_freq);
flags = IEEE80211_CHAN_2GHZ;
if (txrate->flags & IEEE80211_RATE_ERP_G)
flags |= IEEE80211_CHAN_OFDM;
skb_set_mac_header(skb, 0);
skb->ip_summed = CHECKSUM_UNNECESSARY;
skb->pkt_type = PACKET_OTHERHOST;
- skb->protocol = __constant_htons(ETH_P_802_2);
+ skb->protocol = htons(ETH_P_802_2);
memset(skb->cb, 0, sizeof(skb->cb));
netif_rx(skb);
}
-static int mac80211_hwsim_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
+static bool hwsim_ps_rx_ok(struct mac80211_hwsim_data *data,
+ struct sk_buff *skb)
{
- struct mac80211_hwsim_data *data = hw->priv;
- struct ieee80211_rx_status rx_status;
- int i, ack = 0;
- struct ieee80211_hdr *hdr;
- struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
- struct ieee80211_tx_info *txi;
-
- mac80211_hwsim_monitor_rx(hw, skb);
-
- if (skb->len < 10) {
- /* Should not happen; just a sanity check for addr1 use */
- dev_kfree_skb(skb);
- return NETDEV_TX_OK;
+ switch (data->ps) {
+ case PS_DISABLED:
+ return true;
+ case PS_ENABLED:
+ return false;
+ case PS_AUTO_POLL:
+ /* TODO: accept (some) Beacons by default and other frames only
+ * if pending PS-Poll has been sent */
+ return true;
+ case PS_MANUAL_POLL:
+ /* Allow unicast frames to own address if there is a pending
+ * PS-Poll */
+ if (data->ps_poll_pending &&
+ memcmp(data->hw->wiphy->perm_addr, skb->data + 4,
+ ETH_ALEN) == 0) {
+ data->ps_poll_pending = false;
+ return true;
+ }
+ return false;
}
- if (!data->radio_enabled) {
- printk(KERN_DEBUG "%s: dropped TX frame since radio "
- "disabled\n", wiphy_name(hw->wiphy));
- dev_kfree_skb(skb);
- return NETDEV_TX_OK;
- }
+ return true;
+}
+
- hdr = (struct ieee80211_hdr *) skb->data;
+static bool mac80211_hwsim_tx_frame(struct ieee80211_hw *hw,
+ struct sk_buff *skb)
+{
+ struct mac80211_hwsim_data *data = hw->priv, *data2;
+ bool ack = false;
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+ struct ieee80211_rx_status rx_status;
memset(&rx_status, 0, sizeof(rx_status));
/* TODO: set mactime */
rx_status.freq = data->channel->center_freq;
rx_status.band = data->channel->band;
- rx_status.rate_idx = info->tx_rate_idx;
+ rx_status.rate_idx = info->control.rates[0].idx;
/* TODO: simulate signal strength (and optional packet drop) */
+ if (data->ps != PS_DISABLED)
+ hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_PM);
+
/* Copy skb to all enabled radios that are on the current frequency */
- for (i = 0; i < hwsim_radio_count; i++) {
- struct mac80211_hwsim_data *data2;
+ spin_lock(&hwsim_radio_lock);
+ list_for_each_entry(data2, &hwsim_radios, list) {
struct sk_buff *nskb;
- if (hwsim_radios[i] == NULL || hwsim_radios[i] == hw)
+ if (data == data2)
continue;
- data2 = hwsim_radios[i]->priv;
+
if (!data2->started || !data2->radio_enabled ||
+ !hwsim_ps_rx_ok(data2, skb) ||
data->channel->center_freq != data2->channel->center_freq)
continue;
if (nskb == NULL)
continue;
- if (memcmp(hdr->addr1, hwsim_radios[i]->wiphy->perm_addr,
+ if (memcmp(hdr->addr1, data2->hw->wiphy->perm_addr,
ETH_ALEN) == 0)
- ack = 1;
- ieee80211_rx_irqsafe(hwsim_radios[i], nskb, &rx_status);
+ ack = true;
+ ieee80211_rx_irqsafe(data2->hw, nskb, &rx_status);
}
+ spin_unlock(&hwsim_radio_lock);
- txi = IEEE80211_SKB_CB(skb);
- memset(&txi->status, 0, sizeof(txi->status));
- if (!(txi->flags & IEEE80211_TX_CTL_NO_ACK)) {
- if (ack)
- txi->flags |= IEEE80211_TX_STAT_ACK;
- else
- txi->status.excessive_retries = 1;
+ return ack;
+}
+
+
+static int mac80211_hwsim_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
+{
+ struct mac80211_hwsim_data *data = hw->priv;
+ bool ack;
+ struct ieee80211_tx_info *txi;
+
+ mac80211_hwsim_monitor_rx(hw, skb);
+
+ if (skb->len < 10) {
+ /* Should not happen; just a sanity check for addr1 use */
+ dev_kfree_skb(skb);
+ return NETDEV_TX_OK;
+ }
+
+ if (!data->radio_enabled) {
+ printk(KERN_DEBUG "%s: dropped TX frame since radio "
+ "disabled\n", wiphy_name(hw->wiphy));
+ dev_kfree_skb(skb);
+ return NETDEV_TX_OK;
}
+
+ ack = mac80211_hwsim_tx_frame(hw, skb);
+
+ txi = IEEE80211_SKB_CB(skb);
+
+ if (txi->control.vif)
+ hwsim_check_magic(txi->control.vif);
+ if (txi->control.sta)
+ hwsim_check_sta_magic(txi->control.sta);
+
+ ieee80211_tx_info_clear_status(txi);
+ if (!(txi->flags & IEEE80211_TX_CTL_NO_ACK) && ack)
+ txi->flags |= IEEE80211_TX_STAT_ACK;
ieee80211_tx_status_irqsafe(hw, skb);
return NETDEV_TX_OK;
}
{
struct mac80211_hwsim_data *data = hw->priv;
data->started = 0;
+ del_timer(&data->beacon_timer);
printk(KERN_DEBUG "%s:%s\n", wiphy_name(hw->wiphy), __func__);
}
static int mac80211_hwsim_add_interface(struct ieee80211_hw *hw,
struct ieee80211_if_init_conf *conf)
{
- DECLARE_MAC_BUF(mac);
- printk(KERN_DEBUG "%s:%s (type=%d mac_addr=%s)\n",
+ printk(KERN_DEBUG "%s:%s (type=%d mac_addr=%pM)\n",
wiphy_name(hw->wiphy), __func__, conf->type,
- print_mac(mac, conf->mac_addr));
+ conf->mac_addr);
+ hwsim_set_magic(conf->vif);
return 0;
}
static void mac80211_hwsim_remove_interface(
struct ieee80211_hw *hw, struct ieee80211_if_init_conf *conf)
{
- DECLARE_MAC_BUF(mac);
- printk(KERN_DEBUG "%s:%s (type=%d mac_addr=%s)\n",
+ printk(KERN_DEBUG "%s:%s (type=%d mac_addr=%pM)\n",
wiphy_name(hw->wiphy), __func__, conf->type,
- print_mac(mac, conf->mac_addr));
+ conf->mac_addr);
+ hwsim_check_magic(conf->vif);
+ hwsim_clear_magic(conf->vif);
}
struct ieee80211_vif *vif)
{
struct ieee80211_hw *hw = arg;
- struct mac80211_hwsim_data *data = hw->priv;
struct sk_buff *skb;
- struct ieee80211_rx_status rx_status;
- int i;
struct ieee80211_tx_info *info;
- if (vif->type != IEEE80211_IF_TYPE_AP)
+ hwsim_check_magic(vif);
+
+ if (vif->type != NL80211_IFTYPE_AP &&
+ vif->type != NL80211_IFTYPE_MESH_POINT)
return;
skb = ieee80211_beacon_get(hw, vif);
info = IEEE80211_SKB_CB(skb);
mac80211_hwsim_monitor_rx(hw, skb);
-
- memset(&rx_status, 0, sizeof(rx_status));
- /* TODO: set mactime */
- rx_status.freq = data->channel->center_freq;
- rx_status.band = data->channel->band;
- rx_status.rate_idx = info->tx_rate_idx;
- /* TODO: simulate signal strength (and optional packet drop) */
-
- /* Copy skb to all enabled radios that are on the current frequency */
- for (i = 0; i < hwsim_radio_count; i++) {
- struct mac80211_hwsim_data *data2;
- struct sk_buff *nskb;
-
- if (hwsim_radios[i] == NULL || hwsim_radios[i] == hw)
- continue;
- data2 = hwsim_radios[i]->priv;
- if (!data2->started || !data2->radio_enabled ||
- data->channel->center_freq != data2->channel->center_freq)
- continue;
-
- nskb = skb_copy(skb, GFP_ATOMIC);
- if (nskb == NULL)
- continue;
-
- ieee80211_rx_irqsafe(hwsim_radios[i], nskb, &rx_status);
- }
-
+ mac80211_hwsim_tx_frame(hw, skb);
dev_kfree_skb(skb);
}
if (!data->started || !data->radio_enabled)
return;
- ieee80211_iterate_active_interfaces(hw, mac80211_hwsim_beacon_tx, hw);
+ ieee80211_iterate_active_interfaces_atomic(
+ hw, mac80211_hwsim_beacon_tx, hw);
data->beacon_timer.expires = jiffies + data->beacon_int;
add_timer(&data->beacon_timer);
}
-static int mac80211_hwsim_config(struct ieee80211_hw *hw,
- struct ieee80211_conf *conf)
+static int mac80211_hwsim_config(struct ieee80211_hw *hw, u32 changed)
{
struct mac80211_hwsim_data *data = hw->priv;
+ struct ieee80211_conf *conf = &hw->conf;
printk(KERN_DEBUG "%s:%s (freq=%d radio_enabled=%d beacon_int=%d)\n",
wiphy_name(hw->wiphy), __func__,
*total_flags = data->rx_filter;
}
+static int mac80211_hwsim_config_interface(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_if_conf *conf)
+{
+ struct hwsim_vif_priv *vp = (void *)vif->drv_priv;
+
+ hwsim_check_magic(vif);
+ if (conf->changed & IEEE80211_IFCC_BSSID) {
+ DECLARE_MAC_BUF(mac);
+ printk(KERN_DEBUG "%s:%s: BSSID changed: %pM\n",
+ wiphy_name(hw->wiphy), __func__,
+ conf->bssid);
+ memcpy(vp->bssid, conf->bssid, ETH_ALEN);
+ }
+ return 0;
+}
+
+static void mac80211_hwsim_bss_info_changed(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_bss_conf *info,
+ u32 changed)
+{
+ struct hwsim_vif_priv *vp = (void *)vif->drv_priv;
+
+ hwsim_check_magic(vif);
+
+ printk(KERN_DEBUG "%s:%s(changed=0x%x)\n",
+ wiphy_name(hw->wiphy), __func__, changed);
+
+ if (changed & BSS_CHANGED_ASSOC) {
+ printk(KERN_DEBUG " %s: ASSOC: assoc=%d aid=%d\n",
+ wiphy_name(hw->wiphy), info->assoc, info->aid);
+ vp->assoc = info->assoc;
+ vp->aid = info->aid;
+ }
+
+ if (changed & BSS_CHANGED_ERP_CTS_PROT) {
+ printk(KERN_DEBUG " %s: ERP_CTS_PROT: %d\n",
+ wiphy_name(hw->wiphy), info->use_cts_prot);
+ }
+
+ if (changed & BSS_CHANGED_ERP_PREAMBLE) {
+ printk(KERN_DEBUG " %s: ERP_PREAMBLE: %d\n",
+ wiphy_name(hw->wiphy), info->use_short_preamble);
+ }
+
+ if (changed & BSS_CHANGED_ERP_SLOT) {
+ printk(KERN_DEBUG " %s: ERP_SLOT: %d\n",
+ wiphy_name(hw->wiphy), info->use_short_slot);
+ }
+
+ if (changed & BSS_CHANGED_HT) {
+ printk(KERN_DEBUG " %s: HT: op_mode=0x%x\n",
+ wiphy_name(hw->wiphy),
+ info->ht.operation_mode);
+ }
+
+ if (changed & BSS_CHANGED_BASIC_RATES) {
+ printk(KERN_DEBUG " %s: BASIC_RATES: 0x%llx\n",
+ wiphy_name(hw->wiphy),
+ (unsigned long long) info->basic_rates);
+ }
+}
+
+static void mac80211_hwsim_sta_notify(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ enum sta_notify_cmd cmd,
+ struct ieee80211_sta *sta)
+{
+ hwsim_check_magic(vif);
+ switch (cmd) {
+ case STA_NOTIFY_ADD:
+ hwsim_set_sta_magic(sta);
+ break;
+ case STA_NOTIFY_REMOVE:
+ hwsim_clear_sta_magic(sta);
+ break;
+ case STA_NOTIFY_SLEEP:
+ case STA_NOTIFY_AWAKE:
+ /* TODO: make good use of these flags */
+ break;
+ }
+}
+static int mac80211_hwsim_set_tim(struct ieee80211_hw *hw,
+ struct ieee80211_sta *sta,
+ bool set)
+{
+ hwsim_check_sta_magic(sta);
+ return 0;
+}
+
+static int mac80211_hwsim_conf_tx(
+ struct ieee80211_hw *hw, u16 queue,
+ const struct ieee80211_tx_queue_params *params)
+{
+ printk(KERN_DEBUG "%s:%s (queue=%d txop=%d cw_min=%d cw_max=%d "
+ "aifs=%d)\n",
+ wiphy_name(hw->wiphy), __func__, queue,
+ params->txop, params->cw_min, params->cw_max, params->aifs);
+ return 0;
+}
static const struct ieee80211_ops mac80211_hwsim_ops =
{
.remove_interface = mac80211_hwsim_remove_interface,
.config = mac80211_hwsim_config,
.configure_filter = mac80211_hwsim_configure_filter,
+ .config_interface = mac80211_hwsim_config_interface,
+ .bss_info_changed = mac80211_hwsim_bss_info_changed,
+ .sta_notify = mac80211_hwsim_sta_notify,
+ .set_tim = mac80211_hwsim_set_tim,
+ .conf_tx = mac80211_hwsim_conf_tx,
};
static void mac80211_hwsim_free(void)
{
- int i;
+ struct list_head tmplist, *i, *tmp;
+ struct mac80211_hwsim_data *data;
- for (i = 0; i < hwsim_radio_count; i++) {
- if (hwsim_radios[i]) {
- struct mac80211_hwsim_data *data;
- data = hwsim_radios[i]->priv;
- ieee80211_unregister_hw(hwsim_radios[i]);
- if (!IS_ERR(data->dev))
- device_unregister(data->dev);
- ieee80211_free_hw(hwsim_radios[i]);
- }
+ INIT_LIST_HEAD(&tmplist);
+
+ spin_lock_bh(&hwsim_radio_lock);
+ list_for_each_safe(i, tmp, &hwsim_radios)
+ list_move(i, &tmplist);
+ spin_unlock_bh(&hwsim_radio_lock);
+
+ list_for_each_entry(data, &tmplist, list) {
+ debugfs_remove(data->debugfs_ps);
+ debugfs_remove(data->debugfs);
+ ieee80211_unregister_hw(data->hw);
+ device_unregister(data->dev);
+ ieee80211_free_hw(data->hw);
}
- kfree(hwsim_radios);
class_destroy(hwsim_class);
}
}
+static void hwsim_send_ps_poll(void *dat, u8 *mac, struct ieee80211_vif *vif)
+{
+ struct mac80211_hwsim_data *data = dat;
+ struct hwsim_vif_priv *vp = (void *)vif->drv_priv;
+ DECLARE_MAC_BUF(buf);
+ struct sk_buff *skb;
+ struct ieee80211_pspoll *pspoll;
+
+ if (!vp->assoc)
+ return;
+
+ printk(KERN_DEBUG "%s:%s: send PS-Poll to %pM for aid %d\n",
+ wiphy_name(data->hw->wiphy), __func__, vp->bssid, vp->aid);
+
+ skb = dev_alloc_skb(sizeof(*pspoll));
+ if (!skb)
+ return;
+ pspoll = (void *) skb_put(skb, sizeof(*pspoll));
+ pspoll->frame_control = cpu_to_le16(IEEE80211_FTYPE_CTL |
+ IEEE80211_STYPE_PSPOLL |
+ IEEE80211_FCTL_PM);
+ pspoll->aid = cpu_to_le16(0xc000 | vp->aid);
+ memcpy(pspoll->bssid, vp->bssid, ETH_ALEN);
+ memcpy(pspoll->ta, mac, ETH_ALEN);
+ if (data->radio_enabled &&
+ !mac80211_hwsim_tx_frame(data->hw, skb))
+ printk(KERN_DEBUG "%s: PS-Poll frame not ack'ed\n", __func__);
+ dev_kfree_skb(skb);
+}
+
+
+static void hwsim_send_nullfunc(struct mac80211_hwsim_data *data, u8 *mac,
+ struct ieee80211_vif *vif, int ps)
+{
+ struct hwsim_vif_priv *vp = (void *)vif->drv_priv;
+ DECLARE_MAC_BUF(buf);
+ struct sk_buff *skb;
+ struct ieee80211_hdr *hdr;
+
+ if (!vp->assoc)
+ return;
+
+ printk(KERN_DEBUG "%s:%s: send data::nullfunc to %pM ps=%d\n",
+ wiphy_name(data->hw->wiphy), __func__, vp->bssid, ps);
+
+ skb = dev_alloc_skb(sizeof(*hdr));
+ if (!skb)
+ return;
+ hdr = (void *) skb_put(skb, sizeof(*hdr) - ETH_ALEN);
+ hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA |
+ IEEE80211_STYPE_NULLFUNC |
+ (ps ? IEEE80211_FCTL_PM : 0));
+ hdr->duration_id = cpu_to_le16(0);
+ memcpy(hdr->addr1, vp->bssid, ETH_ALEN);
+ memcpy(hdr->addr2, mac, ETH_ALEN);
+ memcpy(hdr->addr3, vp->bssid, ETH_ALEN);
+ if (data->radio_enabled &&
+ !mac80211_hwsim_tx_frame(data->hw, skb))
+ printk(KERN_DEBUG "%s: nullfunc frame not ack'ed\n", __func__);
+ dev_kfree_skb(skb);
+}
+
+
+static void hwsim_send_nullfunc_ps(void *dat, u8 *mac,
+ struct ieee80211_vif *vif)
+{
+ struct mac80211_hwsim_data *data = dat;
+ hwsim_send_nullfunc(data, mac, vif, 1);
+}
+
+
+static void hwsim_send_nullfunc_no_ps(void *dat, u8 *mac,
+ struct ieee80211_vif *vif)
+{
+ struct mac80211_hwsim_data *data = dat;
+ hwsim_send_nullfunc(data, mac, vif, 0);
+}
+
+
+static int hwsim_fops_ps_read(void *dat, u64 *val)
+{
+ struct mac80211_hwsim_data *data = dat;
+ *val = data->ps;
+ return 0;
+}
+
+static int hwsim_fops_ps_write(void *dat, u64 val)
+{
+ struct mac80211_hwsim_data *data = dat;
+ enum ps_mode old_ps;
+
+ if (val != PS_DISABLED && val != PS_ENABLED && val != PS_AUTO_POLL &&
+ val != PS_MANUAL_POLL)
+ return -EINVAL;
+
+ old_ps = data->ps;
+ data->ps = val;
+
+ if (val == PS_MANUAL_POLL) {
+ ieee80211_iterate_active_interfaces(data->hw,
+ hwsim_send_ps_poll, data);
+ data->ps_poll_pending = true;
+ } else if (old_ps == PS_DISABLED && val != PS_DISABLED) {
+ ieee80211_iterate_active_interfaces(data->hw,
+ hwsim_send_nullfunc_ps,
+ data);
+ } else if (old_ps != PS_DISABLED && val == PS_DISABLED) {
+ ieee80211_iterate_active_interfaces(data->hw,
+ hwsim_send_nullfunc_no_ps,
+ data);
+ }
+
+ return 0;
+}
+
+DEFINE_SIMPLE_ATTRIBUTE(hwsim_fops_ps, hwsim_fops_ps_read, hwsim_fops_ps_write,
+ "%llu\n");
+
+
static int __init init_mac80211_hwsim(void)
{
int i, err = 0;
u8 addr[ETH_ALEN];
struct mac80211_hwsim_data *data;
struct ieee80211_hw *hw;
- DECLARE_MAC_BUF(mac);
- if (radios < 1 || radios > 65535)
+ if (radios < 1 || radios > 100)
return -EINVAL;
- hwsim_radio_count = radios;
- hwsim_radios = kcalloc(hwsim_radio_count,
- sizeof(struct ieee80211_hw *), GFP_KERNEL);
- if (hwsim_radios == NULL)
- return -ENOMEM;
+ spin_lock_init(&hwsim_radio_lock);
+ INIT_LIST_HEAD(&hwsim_radios);
hwsim_class = class_create(THIS_MODULE, "mac80211_hwsim");
- if (IS_ERR(hwsim_class)) {
- kfree(hwsim_radios);
+ if (IS_ERR(hwsim_class))
return PTR_ERR(hwsim_class);
- }
memset(addr, 0, ETH_ALEN);
addr[0] = 0x02;
- for (i = 0; i < hwsim_radio_count; i++) {
+ for (i = 0; i < radios; i++) {
printk(KERN_DEBUG "mac80211_hwsim: Initializing radio %d\n",
i);
hw = ieee80211_alloc_hw(sizeof(*data), &mac80211_hwsim_ops);
- if (hw == NULL) {
+ if (!hw) {
printk(KERN_DEBUG "mac80211_hwsim: ieee80211_alloc_hw "
"failed\n");
err = -ENOMEM;
goto failed;
}
- hwsim_radios[i] = hw;
-
data = hw->priv;
- data->dev = device_create(hwsim_class, NULL, 0, "hwsim%d", i);
+ data->hw = hw;
+
+ data->dev = device_create(hwsim_class, NULL, 0, hw,
+ "hwsim%d", i);
if (IS_ERR(data->dev)) {
- printk(KERN_DEBUG "mac80211_hwsim: device_create "
+ printk(KERN_DEBUG
+ "mac80211_hwsim: device_create "
"failed (%ld)\n", PTR_ERR(data->dev));
err = -ENOMEM;
- goto failed;
+ goto failed_drvdata;
}
data->dev->driver = &mac80211_hwsim_driver;
- dev_set_drvdata(data->dev, hw);
SET_IEEE80211_DEV(hw, data->dev);
addr[3] = i >> 8;
SET_IEEE80211_PERM_ADDR(hw, addr);
hw->channel_change_time = 1;
- hw->queues = 1;
+ hw->queues = 4;
+ hw->wiphy->interface_modes =
+ BIT(NL80211_IFTYPE_STATION) |
+ BIT(NL80211_IFTYPE_AP) |
+ BIT(NL80211_IFTYPE_MESH_POINT);
+ hw->ampdu_queues = 1;
+
+ hw->flags = IEEE80211_HW_MFP_CAPABLE;
+
+ /* ask mac80211 to reserve space for magic */
+ hw->vif_data_size = sizeof(struct hwsim_vif_priv);
+ hw->sta_data_size = sizeof(struct hwsim_sta_priv);
memcpy(data->channels, hwsim_channels, sizeof(hwsim_channels));
memcpy(data->rates, hwsim_rates, sizeof(hwsim_rates));
data->band.n_channels = ARRAY_SIZE(hwsim_channels);
data->band.bitrates = data->rates;
data->band.n_bitrates = ARRAY_SIZE(hwsim_rates);
+ data->band.ht_cap.ht_supported = true;
+ data->band.ht_cap.cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
+ IEEE80211_HT_CAP_GRN_FLD |
+ IEEE80211_HT_CAP_SGI_40 |
+ IEEE80211_HT_CAP_DSSSCCK40;
+ data->band.ht_cap.ampdu_factor = 0x3;
+ data->band.ht_cap.ampdu_density = 0x6;
+ memset(&data->band.ht_cap.mcs, 0,
+ sizeof(data->band.ht_cap.mcs));
+ data->band.ht_cap.mcs.rx_mask[0] = 0xff;
+ data->band.ht_cap.mcs.rx_mask[1] = 0xff;
+ data->band.ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &data->band;
err = ieee80211_register_hw(hw);
if (err < 0) {
printk(KERN_DEBUG "mac80211_hwsim: "
"ieee80211_register_hw failed (%d)\n", err);
- goto failed;
+ goto failed_hw;
}
- printk(KERN_DEBUG "%s: hwaddr %s registered\n",
+ printk(KERN_DEBUG "%s: hwaddr %pM registered\n",
wiphy_name(hw->wiphy),
- print_mac(mac, hw->wiphy->perm_addr));
+ hw->wiphy->perm_addr);
+
+ data->debugfs = debugfs_create_dir("hwsim",
+ hw->wiphy->debugfsdir);
+ data->debugfs_ps = debugfs_create_file("ps", 0666,
+ data->debugfs, data,
+ &hwsim_fops_ps);
setup_timer(&data->beacon_timer, mac80211_hwsim_beacon,
(unsigned long) hw);
+
+ list_add_tail(&data->list, &hwsim_radios);
}
hwsim_mon = alloc_netdev(0, "hwsim%d", hwsim_mon_setup);
rtnl_lock();
err = dev_alloc_name(hwsim_mon, hwsim_mon->name);
- if (err < 0) {
+ if (err < 0)
goto failed_mon;
- }
+
err = register_netdevice(hwsim_mon);
if (err < 0)
failed_mon:
rtnl_unlock();
free_netdev(hwsim_mon);
+ mac80211_hwsim_free();
+ return err;
+failed_hw:
+ device_unregister(data->dev);
+failed_drvdata:
+ ieee80211_free_hw(hw);
failed:
mac80211_hwsim_free();
return err;
static void __exit exit_mac80211_hwsim(void)
{
- printk(KERN_DEBUG "mac80211_hwsim: unregister %d radios\n",
- hwsim_radio_count);
+ printk(KERN_DEBUG "mac80211_hwsim: unregister radios\n");
unregister_netdev(hwsim_mon);
mac80211_hwsim_free();