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path: root/drivers/net/wireless/mac80211_hwsim.c
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Diffstat (limited to 'drivers/net/wireless/mac80211_hwsim.c')
-rw-r--r--drivers/net/wireless/mac80211_hwsim.c2161
1 files changed, 1665 insertions, 496 deletions
diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index 454f045ddff..a312c653d11 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -1,6 +1,7 @@
/*
* mac80211_hwsim - software simulator of 802.11 radio(s) for mac80211
* Copyright (c) 2008, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2011, Javier Lopez <jlopex@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@@ -24,19 +25,41 @@
#include <linux/if_arp.h>
#include <linux/rtnetlink.h>
#include <linux/etherdevice.h>
+#include <linux/platform_device.h>
#include <linux/debugfs.h>
+#include <linux/module.h>
+#include <linux/ktime.h>
+#include <net/genetlink.h>
+#include "mac80211_hwsim.h"
+
+#define WARN_QUEUE 100
+#define MAX_QUEUE 200
MODULE_AUTHOR("Jouni Malinen");
MODULE_DESCRIPTION("Software simulator of 802.11 radio(s) for mac80211");
MODULE_LICENSE("GPL");
+static u32 wmediumd_portid;
+
static int radios = 2;
module_param(radios, int, 0444);
MODULE_PARM_DESC(radios, "Number of simulated radios");
-static bool fake_hw_scan;
-module_param(fake_hw_scan, bool, 0444);
-MODULE_PARM_DESC(fake_hw_scan, "Install fake (no-op) hw-scan handler");
+static int channels = 1;
+module_param(channels, int, 0444);
+MODULE_PARM_DESC(channels, "Number of concurrent channels");
+
+static bool paged_rx = false;
+module_param(paged_rx, bool, 0644);
+MODULE_PARM_DESC(paged_rx, "Use paged SKBs for RX instead of linear ones");
+
+static bool rctbl = false;
+module_param(rctbl, bool, 0444);
+MODULE_PARM_DESC(rctbl, "Handle rate control table");
+
+static bool support_p2p_device = true;
+module_param(support_p2p_device, bool, 0444);
+MODULE_PARM_DESC(support_p2p_device, "Support P2P-Device interface type");
/**
* enum hwsim_regtest - the type of regulatory tests we offer
@@ -62,7 +85,7 @@ MODULE_PARM_DESC(fake_hw_scan, "Install fake (no-op) hw-scan handler");
* an intersection to occur but each device will still use their
* respective regulatory requested domains. Subsequent radios will
* use the resulting intersection.
- * @HWSIM_REGTEST_WORLD_ROAM: Used for testing the world roaming. We acomplish
+ * @HWSIM_REGTEST_WORLD_ROAM: Used for testing the world roaming. We accomplish
* this by using a custom beacon-capable regulatory domain for the first
* radio. All other device world roam.
* @HWSIM_REGTEST_CUSTOM_WORLD: Used for testing the custom world regulatory
@@ -140,14 +163,20 @@ static const struct ieee80211_regdomain hwsim_world_regdom_custom_02 = {
.reg_rules = {
REG_RULE(2412-10, 2462+10, 40, 0, 20, 0),
REG_RULE(5725-10, 5850+10, 40, 0, 30,
- NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS),
+ NL80211_RRF_NO_IR),
}
};
+static const struct ieee80211_regdomain *hwsim_world_regdom_custom[] = {
+ &hwsim_world_regdom_custom_01,
+ &hwsim_world_regdom_custom_02,
+};
+
struct hwsim_vif_priv {
u32 magic;
u8 bssid[ETH_ALEN];
bool assoc;
+ bool bcn_en;
u16 aid;
};
@@ -156,7 +185,9 @@ struct hwsim_vif_priv {
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);
+ WARN(vp->magic != HWSIM_VIF_MAGIC,
+ "Invalid VIF (%p) magic %#x, %pM, %d/%d\n",
+ vif, vp->magic, vif->addr, vif->type, vif->p2p);
}
static inline void hwsim_set_magic(struct ieee80211_vif *vif)
@@ -175,7 +206,7 @@ struct hwsim_sta_priv {
u32 magic;
};
-#define HWSIM_STA_MAGIC 0x6d537748
+#define HWSIM_STA_MAGIC 0x6d537749
static inline void hwsim_check_sta_magic(struct ieee80211_sta *sta)
{
@@ -195,6 +226,30 @@ static inline void hwsim_clear_sta_magic(struct ieee80211_sta *sta)
sp->magic = 0;
}
+struct hwsim_chanctx_priv {
+ u32 magic;
+};
+
+#define HWSIM_CHANCTX_MAGIC 0x6d53774a
+
+static inline void hwsim_check_chanctx_magic(struct ieee80211_chanctx_conf *c)
+{
+ struct hwsim_chanctx_priv *cp = (void *)c->drv_priv;
+ WARN_ON(cp->magic != HWSIM_CHANCTX_MAGIC);
+}
+
+static inline void hwsim_set_chanctx_magic(struct ieee80211_chanctx_conf *c)
+{
+ struct hwsim_chanctx_priv *cp = (void *)c->drv_priv;
+ cp->magic = HWSIM_CHANCTX_MAGIC;
+}
+
+static inline void hwsim_clear_chanctx_magic(struct ieee80211_chanctx_conf *c)
+{
+ struct hwsim_chanctx_priv *cp = (void *)c->drv_priv;
+ cp->magic = 0;
+}
+
static struct class *hwsim_class;
static struct net_device *hwsim_mon; /* global monitor netdev */
@@ -275,53 +330,328 @@ static const struct ieee80211_rate hwsim_rates[] = {
{ .bitrate = 540 }
};
+static const struct ieee80211_iface_limit hwsim_if_limits[] = {
+ { .max = 1, .types = BIT(NL80211_IFTYPE_ADHOC) },
+ { .max = 2048, .types = BIT(NL80211_IFTYPE_STATION) |
+ BIT(NL80211_IFTYPE_P2P_CLIENT) |
+#ifdef CONFIG_MAC80211_MESH
+ BIT(NL80211_IFTYPE_MESH_POINT) |
+#endif
+ BIT(NL80211_IFTYPE_AP) |
+ BIT(NL80211_IFTYPE_P2P_GO) },
+ /* must be last, see hwsim_if_comb */
+ { .max = 1, .types = BIT(NL80211_IFTYPE_P2P_DEVICE) }
+};
+
+static const struct ieee80211_iface_limit hwsim_if_dfs_limits[] = {
+ { .max = 8, .types = BIT(NL80211_IFTYPE_AP) },
+};
+
+static const struct ieee80211_iface_combination hwsim_if_comb[] = {
+ {
+ .limits = hwsim_if_limits,
+ /* remove the last entry which is P2P_DEVICE */
+ .n_limits = ARRAY_SIZE(hwsim_if_limits) - 1,
+ .max_interfaces = 2048,
+ .num_different_channels = 1,
+ },
+ {
+ .limits = hwsim_if_dfs_limits,
+ .n_limits = ARRAY_SIZE(hwsim_if_dfs_limits),
+ .max_interfaces = 8,
+ .num_different_channels = 1,
+ .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
+ BIT(NL80211_CHAN_WIDTH_20) |
+ BIT(NL80211_CHAN_WIDTH_40) |
+ BIT(NL80211_CHAN_WIDTH_80) |
+ BIT(NL80211_CHAN_WIDTH_160),
+ }
+};
+
+static const struct ieee80211_iface_combination hwsim_if_comb_p2p_dev[] = {
+ {
+ .limits = hwsim_if_limits,
+ .n_limits = ARRAY_SIZE(hwsim_if_limits),
+ .max_interfaces = 2048,
+ .num_different_channels = 1,
+ },
+ {
+ .limits = hwsim_if_dfs_limits,
+ .n_limits = ARRAY_SIZE(hwsim_if_dfs_limits),
+ .max_interfaces = 8,
+ .num_different_channels = 1,
+ .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
+ BIT(NL80211_CHAN_WIDTH_20) |
+ BIT(NL80211_CHAN_WIDTH_40) |
+ BIT(NL80211_CHAN_WIDTH_80) |
+ BIT(NL80211_CHAN_WIDTH_160),
+ }
+};
+
static spinlock_t hwsim_radio_lock;
static struct list_head hwsim_radios;
+static int hwsim_radio_idx;
+
+static struct platform_driver mac80211_hwsim_driver = {
+ .driver = {
+ .name = "mac80211_hwsim",
+ .owner = THIS_MODULE,
+ },
+};
struct mac80211_hwsim_data {
struct list_head list;
struct ieee80211_hw *hw;
struct device *dev;
- struct ieee80211_supported_band bands[2];
+ struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
struct ieee80211_channel channels_2ghz[ARRAY_SIZE(hwsim_channels_2ghz)];
struct ieee80211_channel channels_5ghz[ARRAY_SIZE(hwsim_channels_5ghz)];
struct ieee80211_rate rates[ARRAY_SIZE(hwsim_rates)];
+ struct ieee80211_iface_combination if_combination;
struct mac_address addresses[2];
+ int channels, idx;
+ bool use_chanctx;
+
+ struct ieee80211_channel *tmp_chan;
+ struct delayed_work roc_done;
+ struct delayed_work hw_scan;
+ struct cfg80211_scan_request *hw_scan_request;
+ struct ieee80211_vif *hw_scan_vif;
+ int scan_chan_idx;
struct ieee80211_channel *channel;
- unsigned long beacon_int; /* in jiffies unit */
+ u64 beacon_int /* beacon interval in us */;
unsigned int rx_filter;
bool started, idle, scanning;
struct mutex mutex;
- struct timer_list beacon_timer;
+ struct tasklet_hrtimer 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;
+ struct sk_buff_head pending; /* packets pending */
/*
* Only radios in the same group can communicate together (the
* channel has to match too). Each bit represents a group. A
* radio can be in more then one group.
*/
u64 group;
- struct dentry *debugfs_group;
int power_level;
+
+ /* difference between this hw's clock and the real clock, in usecs */
+ s64 tsf_offset;
+ s64 bcn_delta;
+ /* absolute beacon transmission time. Used to cover up "tx" delay. */
+ u64 abs_bcn_ts;
};
struct hwsim_radiotap_hdr {
struct ieee80211_radiotap_header hdr;
+ __le64 rt_tsft;
u8 rt_flags;
u8 rt_rate;
__le16 rt_channel;
__le16 rt_chbitmask;
} __packed;
+struct hwsim_radiotap_ack_hdr {
+ struct ieee80211_radiotap_header hdr;
+ u8 rt_flags;
+ u8 pad;
+ __le16 rt_channel;
+ __le16 rt_chbitmask;
+} __packed;
+
+/* MAC80211_HWSIM netlinf family */
+static struct genl_family hwsim_genl_family = {
+ .id = GENL_ID_GENERATE,
+ .hdrsize = 0,
+ .name = "MAC80211_HWSIM",
+ .version = 1,
+ .maxattr = HWSIM_ATTR_MAX,
+};
+
+/* MAC80211_HWSIM netlink policy */
+
+static const struct nla_policy hwsim_genl_policy[HWSIM_ATTR_MAX + 1] = {
+ [HWSIM_ATTR_ADDR_RECEIVER] = { .type = NLA_UNSPEC, .len = ETH_ALEN },
+ [HWSIM_ATTR_ADDR_TRANSMITTER] = { .type = NLA_UNSPEC, .len = ETH_ALEN },
+ [HWSIM_ATTR_FRAME] = { .type = NLA_BINARY,
+ .len = IEEE80211_MAX_DATA_LEN },
+ [HWSIM_ATTR_FLAGS] = { .type = NLA_U32 },
+ [HWSIM_ATTR_RX_RATE] = { .type = NLA_U32 },
+ [HWSIM_ATTR_SIGNAL] = { .type = NLA_U32 },
+ [HWSIM_ATTR_TX_INFO] = { .type = NLA_UNSPEC,
+ .len = IEEE80211_TX_MAX_RATES *
+ sizeof(struct hwsim_tx_rate)},
+ [HWSIM_ATTR_COOKIE] = { .type = NLA_U64 },
+ [HWSIM_ATTR_CHANNELS] = { .type = NLA_U32 },
+ [HWSIM_ATTR_RADIO_ID] = { .type = NLA_U32 },
+ [HWSIM_ATTR_REG_HINT_ALPHA2] = { .type = NLA_STRING, .len = 2 },
+ [HWSIM_ATTR_REG_CUSTOM_REG] = { .type = NLA_U32 },
+ [HWSIM_ATTR_REG_STRICT_REG] = { .type = NLA_FLAG },
+ [HWSIM_ATTR_SUPPORT_P2P_DEVICE] = { .type = NLA_FLAG },
+};
+
+static void mac80211_hwsim_tx_frame(struct ieee80211_hw *hw,
+ struct sk_buff *skb,
+ struct ieee80211_channel *chan);
+
+/* sysfs attributes */
+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;
+ struct sk_buff *skb;
+ struct ieee80211_pspoll *pspoll;
+
+ if (!vp->assoc)
+ return;
+
+ wiphy_debug(data->hw->wiphy,
+ "%s: send PS-Poll to %pM for aid %d\n",
+ __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);
+
+ rcu_read_lock();
+ mac80211_hwsim_tx_frame(data->hw, skb,
+ rcu_dereference(vif->chanctx_conf)->def.chan);
+ rcu_read_unlock();
+}
+
+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;
+ struct sk_buff *skb;
+ struct ieee80211_hdr *hdr;
+
+ if (!vp->assoc)
+ return;
+
+ wiphy_debug(data->hw->wiphy,
+ "%s: send data::nullfunc to %pM ps=%d\n",
+ __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);
+
+ rcu_read_lock();
+ mac80211_hwsim_tx_frame(data->hw, skb,
+ rcu_dereference(vif->chanctx_conf)->def.chan);
+ rcu_read_unlock();
+}
+
+
+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,
+ IEEE80211_IFACE_ITER_NORMAL,
+ 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,
+ IEEE80211_IFACE_ITER_NORMAL,
+ hwsim_send_nullfunc_ps,
+ data);
+ } else if (old_ps != PS_DISABLED && val == PS_DISABLED) {
+ ieee80211_iterate_active_interfaces(data->hw,
+ IEEE80211_IFACE_ITER_NORMAL,
+ 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 hwsim_write_simulate_radar(void *dat, u64 val)
+{
+ struct mac80211_hwsim_data *data = dat;
+
+ ieee80211_radar_detected(data->hw);
+
+ return 0;
+}
+
+DEFINE_SIMPLE_ATTRIBUTE(hwsim_simulate_radar, NULL,
+ hwsim_write_simulate_radar, "%llu\n");
+
+static int hwsim_fops_group_read(void *dat, u64 *val)
+{
+ struct mac80211_hwsim_data *data = dat;
+ *val = data->group;
+ return 0;
+}
+
+static int hwsim_fops_group_write(void *dat, u64 val)
+{
+ struct mac80211_hwsim_data *data = dat;
+ data->group = val;
+ return 0;
+}
+
+DEFINE_SIMPLE_ATTRIBUTE(hwsim_fops_group,
+ hwsim_fops_group_read, hwsim_fops_group_write,
+ "%llx\n");
static netdev_tx_t hwsim_mon_xmit(struct sk_buff *skb,
struct net_device *dev)
@@ -331,9 +661,40 @@ static netdev_tx_t hwsim_mon_xmit(struct sk_buff *skb,
return NETDEV_TX_OK;
}
+static inline u64 mac80211_hwsim_get_tsf_raw(void)
+{
+ return ktime_to_us(ktime_get_real());
+}
+
+static __le64 __mac80211_hwsim_get_tsf(struct mac80211_hwsim_data *data)
+{
+ u64 now = mac80211_hwsim_get_tsf_raw();
+ return cpu_to_le64(now + data->tsf_offset);
+}
+
+static u64 mac80211_hwsim_get_tsf(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif)
+{
+ struct mac80211_hwsim_data *data = hw->priv;
+ return le64_to_cpu(__mac80211_hwsim_get_tsf(data));
+}
+
+static void mac80211_hwsim_set_tsf(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif, u64 tsf)
+{
+ struct mac80211_hwsim_data *data = hw->priv;
+ u64 now = mac80211_hwsim_get_tsf(hw, vif);
+ u32 bcn_int = data->beacon_int;
+ s64 delta = tsf - now;
+
+ data->tsf_offset += delta;
+ /* adjust after beaconing with new timestamp at old TBTT */
+ data->bcn_delta = do_div(delta, bcn_int);
+}
static void mac80211_hwsim_monitor_rx(struct ieee80211_hw *hw,
- struct sk_buff *tx_skb)
+ struct sk_buff *tx_skb,
+ struct ieee80211_channel *chan)
{
struct mac80211_hwsim_data *data = hw->priv;
struct sk_buff *skb;
@@ -355,10 +716,12 @@ static void mac80211_hwsim_monitor_rx(struct ieee80211_hw *hw,
hdr->hdr.it_len = cpu_to_le16(sizeof(*hdr));
hdr->hdr.it_present = cpu_to_le32((1 << IEEE80211_RADIOTAP_FLAGS) |
(1 << IEEE80211_RADIOTAP_RATE) |
+ (1 << IEEE80211_RADIOTAP_TSFT) |
(1 << IEEE80211_RADIOTAP_CHANNEL));
+ hdr->rt_tsft = __mac80211_hwsim_get_tsf(data);
hdr->rt_flags = 0;
hdr->rt_rate = txrate->bitrate / 5;
- hdr->rt_channel = cpu_to_le16(data->channel->center_freq);
+ hdr->rt_channel = cpu_to_le16(chan->center_freq);
flags = IEEE80211_CHAN_2GHZ;
if (txrate->flags & IEEE80211_RATE_ERP_G)
flags |= IEEE80211_CHAN_OFDM;
@@ -376,11 +739,11 @@ static void mac80211_hwsim_monitor_rx(struct ieee80211_hw *hw,
}
-static void mac80211_hwsim_monitor_ack(struct ieee80211_hw *hw, const u8 *addr)
+static void mac80211_hwsim_monitor_ack(struct ieee80211_channel *chan,
+ const u8 *addr)
{
- struct mac80211_hwsim_data *data = hw->priv;
struct sk_buff *skb;
- struct hwsim_radiotap_hdr *hdr;
+ struct hwsim_radiotap_ack_hdr *hdr;
u16 flags;
struct ieee80211_hdr *hdr11;
@@ -391,15 +754,15 @@ static void mac80211_hwsim_monitor_ack(struct ieee80211_hw *hw, const u8 *addr)
if (skb == NULL)
return;
- hdr = (struct hwsim_radiotap_hdr *) skb_put(skb, sizeof(*hdr));
+ hdr = (struct hwsim_radiotap_ack_hdr *) skb_put(skb, sizeof(*hdr));
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 = cpu_to_le32((1 << IEEE80211_RADIOTAP_FLAGS) |
(1 << IEEE80211_RADIOTAP_CHANNEL));
hdr->rt_flags = 0;
- hdr->rt_rate = 0;
- hdr->rt_channel = cpu_to_le16(data->channel->center_freq);
+ hdr->pad = 0;
+ hdr->rt_channel = cpu_to_le16(chan->center_freq);
flags = IEEE80211_CHAN_2GHZ;
hdr->rt_chbitmask = cpu_to_le16(flags);
@@ -472,32 +835,152 @@ static bool mac80211_hwsim_addr_match(struct mac80211_hwsim_data *data,
md.ret = false;
md.addr = addr;
ieee80211_iterate_active_interfaces_atomic(data->hw,
+ IEEE80211_IFACE_ITER_NORMAL,
mac80211_hwsim_addr_iter,
&md);
return md.ret;
}
+static void mac80211_hwsim_tx_frame_nl(struct ieee80211_hw *hw,
+ struct sk_buff *my_skb,
+ int dst_portid)
+{
+ struct sk_buff *skb;
+ struct mac80211_hwsim_data *data = hw->priv;
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) my_skb->data;
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(my_skb);
+ void *msg_head;
+ unsigned int hwsim_flags = 0;
+ int i;
+ struct hwsim_tx_rate tx_attempts[IEEE80211_TX_MAX_RATES];
+
+ if (data->ps != PS_DISABLED)
+ hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_PM);
+ /* If the queue contains MAX_QUEUE skb's drop some */
+ if (skb_queue_len(&data->pending) >= MAX_QUEUE) {
+ /* Droping until WARN_QUEUE level */
+ while (skb_queue_len(&data->pending) >= WARN_QUEUE)
+ skb_dequeue(&data->pending);
+ }
+
+ skb = genlmsg_new(GENLMSG_DEFAULT_SIZE, GFP_ATOMIC);
+ if (skb == NULL)
+ goto nla_put_failure;
+
+ msg_head = genlmsg_put(skb, 0, 0, &hwsim_genl_family, 0,
+ HWSIM_CMD_FRAME);
+ if (msg_head == NULL) {
+ printk(KERN_DEBUG "mac80211_hwsim: problem with msg_head\n");
+ goto nla_put_failure;
+ }
+
+ if (nla_put(skb, HWSIM_ATTR_ADDR_TRANSMITTER,
+ ETH_ALEN, data->addresses[1].addr))
+ goto nla_put_failure;
+
+ /* We get the skb->data */
+ if (nla_put(skb, HWSIM_ATTR_FRAME, my_skb->len, my_skb->data))
+ goto nla_put_failure;
+
+ /* We get the flags for this transmission, and we translate them to
+ wmediumd flags */
+
+ if (info->flags & IEEE80211_TX_CTL_REQ_TX_STATUS)
+ hwsim_flags |= HWSIM_TX_CTL_REQ_TX_STATUS;
+
+ if (info->flags & IEEE80211_TX_CTL_NO_ACK)
+ hwsim_flags |= HWSIM_TX_CTL_NO_ACK;
+
+ if (nla_put_u32(skb, HWSIM_ATTR_FLAGS, hwsim_flags))
+ goto nla_put_failure;
+
+ /* We get the tx control (rate and retries) info*/
+
+ for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) {
+ tx_attempts[i].idx = info->status.rates[i].idx;
+ tx_attempts[i].count = info->status.rates[i].count;
+ }
+
+ if (nla_put(skb, HWSIM_ATTR_TX_INFO,
+ sizeof(struct hwsim_tx_rate)*IEEE80211_TX_MAX_RATES,
+ tx_attempts))
+ goto nla_put_failure;
+
+ /* We create a cookie to identify this skb */
+ if (nla_put_u64(skb, HWSIM_ATTR_COOKIE, (unsigned long) my_skb))
+ goto nla_put_failure;
+
+ genlmsg_end(skb, msg_head);
+ genlmsg_unicast(&init_net, skb, dst_portid);
+
+ /* Enqueue the packet */
+ skb_queue_tail(&data->pending, my_skb);
+ return;
+
+nla_put_failure:
+ printk(KERN_DEBUG "mac80211_hwsim: error occurred in %s\n", __func__);
+}
+
+static bool hwsim_chans_compat(struct ieee80211_channel *c1,
+ struct ieee80211_channel *c2)
+{
+ if (!c1 || !c2)
+ return false;
+
+ return c1->center_freq == c2->center_freq;
+}
+
+struct tx_iter_data {
+ struct ieee80211_channel *channel;
+ bool receive;
+};
+
+static void mac80211_hwsim_tx_iter(void *_data, u8 *addr,
+ struct ieee80211_vif *vif)
+{
+ struct tx_iter_data *data = _data;
+
+ if (!vif->chanctx_conf)
+ return;
+
+ if (!hwsim_chans_compat(data->channel,
+ rcu_dereference(vif->chanctx_conf)->def.chan))
+ return;
+
+ data->receive = true;
+}
-static bool mac80211_hwsim_tx_frame(struct ieee80211_hw *hw,
- struct sk_buff *skb)
+static bool mac80211_hwsim_tx_frame_no_nl(struct ieee80211_hw *hw,
+ struct sk_buff *skb,
+ struct ieee80211_channel *chan)
{
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;
-
- if (data->idle) {
- wiphy_debug(hw->wiphy, "Trying to TX when idle - reject\n");
- return false;
- }
+ u64 now;
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->control.rates[0].idx;
+ rx_status.flag |= RX_FLAG_MACTIME_START;
+ rx_status.freq = chan->center_freq;
+ rx_status.band = chan->band;
+ if (info->control.rates[0].flags & IEEE80211_TX_RC_VHT_MCS) {
+ rx_status.rate_idx =
+ ieee80211_rate_get_vht_mcs(&info->control.rates[0]);
+ rx_status.vht_nss =
+ ieee80211_rate_get_vht_nss(&info->control.rates[0]);
+ rx_status.flag |= RX_FLAG_VHT;
+ } else {
+ rx_status.rate_idx = info->control.rates[0].idx;
+ if (info->control.rates[0].flags & IEEE80211_TX_RC_MCS)
+ rx_status.flag |= RX_FLAG_HT;
+ }
+ if (info->control.rates[0].flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
+ rx_status.flag |= RX_FLAG_40MHZ;
+ if (info->control.rates[0].flags & IEEE80211_TX_RC_SHORT_GI)
+ rx_status.flag |= RX_FLAG_SHORT_GI;
/* TODO: simulate real signal strength (and optional packet loss) */
rx_status.signal = data->power_level - 50;
@@ -511,27 +994,76 @@ static bool mac80211_hwsim_tx_frame(struct ieee80211_hw *hw,
secpath_reset(skb);
nf_reset(skb);
+ /*
+ * Get absolute mactime here so all HWs RX at the "same time", and
+ * absolute TX time for beacon mactime so the timestamp matches.
+ * Giving beacons a different mactime than non-beacons looks messy, but
+ * it helps the Toffset be exact and a ~10us mactime discrepancy
+ * probably doesn't really matter.
+ */
+ if (ieee80211_is_beacon(hdr->frame_control) ||
+ ieee80211_is_probe_resp(hdr->frame_control))
+ now = data->abs_bcn_ts;
+ else
+ now = mac80211_hwsim_get_tsf_raw();
+
/* Copy skb to all enabled radios that are on the current frequency */
spin_lock(&hwsim_radio_lock);
list_for_each_entry(data2, &hwsim_radios, list) {
struct sk_buff *nskb;
+ struct tx_iter_data tx_iter_data = {
+ .receive = false,
+ .channel = chan,
+ };
if (data == data2)
continue;
- if (data2->idle || !data2->started ||
- !hwsim_ps_rx_ok(data2, skb) ||
- !data->channel || !data2->channel ||
- data->channel->center_freq != data2->channel->center_freq ||
- !(data->group & data2->group))
+ if (!data2->started || (data2->idle && !data2->tmp_chan) ||
+ !hwsim_ps_rx_ok(data2, skb))
continue;
- nskb = skb_copy(skb, GFP_ATOMIC);
- if (nskb == NULL)
+ if (!(data->group & data2->group))
continue;
+ if (!hwsim_chans_compat(chan, data2->tmp_chan) &&
+ !hwsim_chans_compat(chan, data2->channel)) {
+ ieee80211_iterate_active_interfaces_atomic(
+ data2->hw, IEEE80211_IFACE_ITER_NORMAL,
+ mac80211_hwsim_tx_iter, &tx_iter_data);
+ if (!tx_iter_data.receive)
+ continue;
+ }
+
+ /*
+ * reserve some space for our vendor and the normal
+ * radiotap header, since we're copying anyway
+ */
+ if (skb->len < PAGE_SIZE && paged_rx) {
+ struct page *page = alloc_page(GFP_ATOMIC);
+
+ if (!page)
+ continue;
+
+ nskb = dev_alloc_skb(128);
+ if (!nskb) {
+ __free_page(page);
+ continue;
+ }
+
+ memcpy(page_address(page), skb->data, skb->len);
+ skb_add_rx_frag(nskb, 0, page, 0, skb->len, skb->len);
+ } else {
+ nskb = skb_copy(skb, GFP_ATOMIC);
+ if (!nskb)
+ continue;
+ }
+
if (mac80211_hwsim_addr_match(data2, hdr->addr1))
ack = true;
+
+ rx_status.mactime = now + data2->tsf_offset;
+
memcpy(IEEE80211_SKB_RXCB(nskb), &rx_status, sizeof(rx_status));
ieee80211_rx_irqsafe(data2->hw, nskb);
}
@@ -540,38 +1072,82 @@ static bool mac80211_hwsim_tx_frame(struct ieee80211_hw *hw,
return ack;
}
-
-static int mac80211_hwsim_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
+static void mac80211_hwsim_tx(struct ieee80211_hw *hw,
+ struct ieee80211_tx_control *control,
+ struct sk_buff *skb)
{
+ struct mac80211_hwsim_data *data = hw->priv;
+ struct ieee80211_tx_info *txi = IEEE80211_SKB_CB(skb);
+ struct ieee80211_chanctx_conf *chanctx_conf;
+ struct ieee80211_channel *channel;
bool ack;
- struct ieee80211_tx_info *txi;
+ u32 _portid;
- mac80211_hwsim_monitor_rx(hw, skb);
-
- if (skb->len < 10) {
+ if (WARN_ON(skb->len < 10)) {
/* Should not happen; just a sanity check for addr1 use */
- dev_kfree_skb(skb);
- return NETDEV_TX_OK;
+ ieee80211_free_txskb(hw, skb);
+ return;
}
- ack = mac80211_hwsim_tx_frame(hw, skb);
- if (ack && skb->len >= 16) {
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
- mac80211_hwsim_monitor_ack(hw, hdr->addr2);
+ if (!data->use_chanctx) {
+ channel = data->channel;
+ } else if (txi->hw_queue == 4) {
+ channel = data->tmp_chan;
+ } else {
+ chanctx_conf = rcu_dereference(txi->control.vif->chanctx_conf);
+ if (chanctx_conf)
+ channel = chanctx_conf->def.chan;
+ else
+ channel = NULL;
}
- txi = IEEE80211_SKB_CB(skb);
+ if (WARN(!channel, "TX w/o channel - queue = %d\n", txi->hw_queue)) {
+ ieee80211_free_txskb(hw, skb);
+ return;
+ }
+
+ if (data->idle && !data->tmp_chan) {
+ wiphy_debug(hw->wiphy, "Trying to TX when idle - reject\n");
+ ieee80211_free_txskb(hw, skb);
+ return;
+ }
if (txi->control.vif)
hwsim_check_magic(txi->control.vif);
- if (txi->control.sta)
- hwsim_check_sta_magic(txi->control.sta);
+ if (control->sta)
+ hwsim_check_sta_magic(control->sta);
+
+ if (hw->flags & IEEE80211_HW_SUPPORTS_RC_TABLE)
+ ieee80211_get_tx_rates(txi->control.vif, control->sta, skb,
+ txi->control.rates,
+ ARRAY_SIZE(txi->control.rates));
+
+ txi->rate_driver_data[0] = channel;
+ mac80211_hwsim_monitor_rx(hw, skb, channel);
+
+ /* wmediumd mode check */
+ _portid = ACCESS_ONCE(wmediumd_portid);
+
+ if (_portid)
+ return mac80211_hwsim_tx_frame_nl(hw, skb, _portid);
+
+ /* NO wmediumd detected, perfect medium simulation */
+ ack = mac80211_hwsim_tx_frame_no_nl(hw, skb, channel);
+
+ if (ack && skb->len >= 16) {
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
+ mac80211_hwsim_monitor_ack(channel, hdr->addr2);
+ }
ieee80211_tx_info_clear_status(txi);
+
+ /* frame was transmitted at most favorable rate at first attempt */
+ txi->control.rates[0].count = 1;
+ txi->control.rates[1].idx = -1;
+
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;
}
@@ -579,7 +1155,7 @@ static int mac80211_hwsim_start(struct ieee80211_hw *hw)
{
struct mac80211_hwsim_data *data = hw->priv;
wiphy_debug(hw->wiphy, "%s\n", __func__);
- data->started = 1;
+ data->started = true;
return 0;
}
@@ -587,8 +1163,8 @@ static int mac80211_hwsim_start(struct ieee80211_hw *hw)
static void mac80211_hwsim_stop(struct ieee80211_hw *hw)
{
struct mac80211_hwsim_data *data = hw->priv;
- data->started = 0;
- del_timer(&data->beacon_timer);
+ data->started = false;
+ tasklet_hrtimer_cancel(&data->beacon_timer);
wiphy_debug(hw->wiphy, "%s\n", __func__);
}
@@ -600,6 +1176,13 @@ static int mac80211_hwsim_add_interface(struct ieee80211_hw *hw,
__func__, ieee80211_vif_type_p2p(vif),
vif->addr);
hwsim_set_magic(vif);
+
+ vif->cab_queue = 0;
+ vif->hw_queue[IEEE80211_AC_VO] = 0;
+ vif->hw_queue[IEEE80211_AC_VI] = 1;
+ vif->hw_queue[IEEE80211_AC_BE] = 2;
+ vif->hw_queue[IEEE80211_AC_BK] = 3;
+
return 0;
}
@@ -616,6 +1199,12 @@ static int mac80211_hwsim_change_interface(struct ieee80211_hw *hw,
newtype, vif->addr);
hwsim_check_magic(vif);
+ /*
+ * interface may change from non-AP to AP in
+ * which case this needs to be set up again
+ */
+ vif->cab_queue = 0;
+
return 0;
}
@@ -629,13 +1218,37 @@ static void mac80211_hwsim_remove_interface(
hwsim_clear_magic(vif);
}
+static void mac80211_hwsim_tx_frame(struct ieee80211_hw *hw,
+ struct sk_buff *skb,
+ struct ieee80211_channel *chan)
+{
+ u32 _pid = ACCESS_ONCE(wmediumd_portid);
+
+ if (hw->flags & IEEE80211_HW_SUPPORTS_RC_TABLE) {
+ struct ieee80211_tx_info *txi = IEEE80211_SKB_CB(skb);
+ ieee80211_get_tx_rates(txi->control.vif, NULL, skb,
+ txi->control.rates,
+ ARRAY_SIZE(txi->control.rates));
+ }
+
+ mac80211_hwsim_monitor_rx(hw, skb, chan);
+
+ if (_pid)
+ return mac80211_hwsim_tx_frame_nl(hw, skb, _pid);
+
+ mac80211_hwsim_tx_frame_no_nl(hw, skb, chan);
+ dev_kfree_skb(skb);
+}
static void mac80211_hwsim_beacon_tx(void *arg, u8 *mac,
struct ieee80211_vif *vif)
{
- struct ieee80211_hw *hw = arg;
- struct sk_buff *skb;
+ struct mac80211_hwsim_data *data = arg;
+ struct ieee80211_hw *hw = data->hw;
struct ieee80211_tx_info *info;
+ struct ieee80211_rate *txrate;
+ struct ieee80211_mgmt *mgmt;
+ struct sk_buff *skb;
hwsim_check_magic(vif);
@@ -648,33 +1261,64 @@ static void mac80211_hwsim_beacon_tx(void *arg, u8 *mac,
if (skb == NULL)
return;
info = IEEE80211_SKB_CB(skb);
+ if (hw->flags & IEEE80211_HW_SUPPORTS_RC_TABLE)
+ ieee80211_get_tx_rates(vif, NULL, skb,
+ info->control.rates,
+ ARRAY_SIZE(info->control.rates));
- mac80211_hwsim_monitor_rx(hw, skb);
- mac80211_hwsim_tx_frame(hw, skb);
- dev_kfree_skb(skb);
-}
+ txrate = ieee80211_get_tx_rate(hw, info);
+
+ mgmt = (struct ieee80211_mgmt *) skb->data;
+ /* fake header transmission time */
+ data->abs_bcn_ts = mac80211_hwsim_get_tsf_raw();
+ mgmt->u.beacon.timestamp = cpu_to_le64(data->abs_bcn_ts +
+ data->tsf_offset +
+ 24 * 8 * 10 / txrate->bitrate);
+
+ mac80211_hwsim_tx_frame(hw, skb,
+ rcu_dereference(vif->chanctx_conf)->def.chan);
+ if (vif->csa_active && ieee80211_csa_is_complete(vif))
+ ieee80211_csa_finish(vif);
+}
-static void mac80211_hwsim_beacon(unsigned long arg)
+static enum hrtimer_restart
+mac80211_hwsim_beacon(struct hrtimer *timer)
{
- struct ieee80211_hw *hw = (struct ieee80211_hw *) arg;
- struct mac80211_hwsim_data *data = hw->priv;
+ struct mac80211_hwsim_data *data =
+ container_of(timer, struct mac80211_hwsim_data,
+ beacon_timer.timer);
+ struct ieee80211_hw *hw = data->hw;
+ u64 bcn_int = data->beacon_int;
+ ktime_t next_bcn;
if (!data->started)
- return;
+ goto out;
ieee80211_iterate_active_interfaces_atomic(
- hw, mac80211_hwsim_beacon_tx, hw);
+ hw, IEEE80211_IFACE_ITER_NORMAL,
+ mac80211_hwsim_beacon_tx, data);
+
+ /* beacon at new TBTT + beacon interval */
+ if (data->bcn_delta) {
+ bcn_int -= data->bcn_delta;
+ data->bcn_delta = 0;
+ }
- data->beacon_timer.expires = jiffies + data->beacon_int;
- add_timer(&data->beacon_timer);
+ next_bcn = ktime_add(hrtimer_get_expires(timer),
+ ns_to_ktime(bcn_int * 1000));
+ tasklet_hrtimer_start(&data->beacon_timer, next_bcn, HRTIMER_MODE_ABS);
+out:
+ return HRTIMER_NORESTART;
}
-static const char *hwsim_chantypes[] = {
- [NL80211_CHAN_NO_HT] = "noht",
- [NL80211_CHAN_HT20] = "ht20",
- [NL80211_CHAN_HT40MINUS] = "ht40-",
- [NL80211_CHAN_HT40PLUS] = "ht40+",
+static const char * const hwsim_chanwidths[] = {
+ [NL80211_CHAN_WIDTH_20_NOHT] = "noht",
+ [NL80211_CHAN_WIDTH_20] = "ht20",
+ [NL80211_CHAN_WIDTH_40] = "ht40",
+ [NL80211_CHAN_WIDTH_80] = "vht80",
+ [NL80211_CHAN_WIDTH_80P80] = "vht80p80",
+ [NL80211_CHAN_WIDTH_160] = "vht160",
};
static int mac80211_hwsim_config(struct ieee80211_hw *hw, u32 changed)
@@ -688,23 +1332,43 @@ static int mac80211_hwsim_config(struct ieee80211_hw *hw, u32 changed)
[IEEE80211_SMPS_DYNAMIC] = "dynamic",
};
- wiphy_debug(hw->wiphy,
- "%s (freq=%d/%s idle=%d ps=%d smps=%s)\n",
- __func__,
- conf->channel->center_freq,
- hwsim_chantypes[conf->channel_type],
- !!(conf->flags & IEEE80211_CONF_IDLE),
- !!(conf->flags & IEEE80211_CONF_PS),
- smps_modes[conf->smps_mode]);
+ if (conf->chandef.chan)
+ wiphy_debug(hw->wiphy,
+ "%s (freq=%d(%d - %d)/%s idle=%d ps=%d smps=%s)\n",
+ __func__,
+ conf->chandef.chan->center_freq,
+ conf->chandef.center_freq1,
+ conf->chandef.center_freq2,
+ hwsim_chanwidths[conf->chandef.width],
+ !!(conf->flags & IEEE80211_CONF_IDLE),
+ !!(conf->flags & IEEE80211_CONF_PS),
+ smps_modes[conf->smps_mode]);
+ else
+ wiphy_debug(hw->wiphy,
+ "%s (freq=0 idle=%d ps=%d smps=%s)\n",
+ __func__,
+ !!(conf->flags & IEEE80211_CONF_IDLE),
+ !!(conf->flags & IEEE80211_CONF_PS),
+ smps_modes[conf->smps_mode]);
data->idle = !!(conf->flags & IEEE80211_CONF_IDLE);
- data->channel = conf->channel;
+ data->channel = conf->chandef.chan;
+
+ WARN_ON(data->channel && data->use_chanctx);
+
data->power_level = conf->power_level;
if (!data->started || !data->beacon_int)
- del_timer(&data->beacon_timer);
- else
- mod_timer(&data->beacon_timer, jiffies + data->beacon_int);
+ tasklet_hrtimer_cancel(&data->beacon_timer);
+ else if (!hrtimer_is_queued(&data->beacon_timer.timer)) {
+ u64 tsf = mac80211_hwsim_get_tsf(hw, NULL);
+ u32 bcn_int = data->beacon_int;
+ u64 until_tbtt = bcn_int - do_div(tsf, bcn_int);
+
+ tasklet_hrtimer_start(&data->beacon_timer,
+ ns_to_ktime(until_tbtt * 1000),
+ HRTIMER_MODE_REL);
+ }
return 0;
}
@@ -727,6 +1391,16 @@ static void mac80211_hwsim_configure_filter(struct ieee80211_hw *hw,
*total_flags = data->rx_filter;
}
+static void mac80211_hwsim_bcn_en_iter(void *data, u8 *mac,
+ struct ieee80211_vif *vif)
+{
+ unsigned int *count = data;
+ struct hwsim_vif_priv *vp = (void *)vif->drv_priv;
+
+ if (vp->bcn_en)
+ (*count)++;
+}
+
static void mac80211_hwsim_bss_info_changed(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *info,
@@ -737,7 +1411,8 @@ static void mac80211_hwsim_bss_info_changed(struct ieee80211_hw *hw,
hwsim_check_magic(vif);
- wiphy_debug(hw->wiphy, "%s(changed=0x%x)\n", __func__, changed);
+ wiphy_debug(hw->wiphy, "%s(changed=0x%x vif->addr=%pM)\n",
+ __func__, changed, vif->addr);
if (changed & BSS_CHANGED_BSSID) {
wiphy_debug(hw->wiphy, "%s: BSSID changed: %pM\n",
@@ -754,12 +1429,35 @@ static void mac80211_hwsim_bss_info_changed(struct ieee80211_hw *hw,
if (changed & BSS_CHANGED_BEACON_INT) {
wiphy_debug(hw->wiphy, " BCNINT: %d\n", info->beacon_int);
- data->beacon_int = 1024 * info->beacon_int / 1000 * HZ / 1000;
- if (WARN_ON(!data->beacon_int))
- data->beacon_int = 1;
- if (data->started)
- mod_timer(&data->beacon_timer,
- jiffies + data->beacon_int);
+ data->beacon_int = info->beacon_int * 1024;
+ }
+
+ if (changed & BSS_CHANGED_BEACON_ENABLED) {
+ wiphy_debug(hw->wiphy, " BCN EN: %d\n", info->enable_beacon);
+ vp->bcn_en = info->enable_beacon;
+ if (data->started &&
+ !hrtimer_is_queued(&data->beacon_timer.timer) &&
+ info->enable_beacon) {
+ u64 tsf, until_tbtt;
+ u32 bcn_int;
+ if (WARN_ON(!data->beacon_int))
+ data->beacon_int = 1000 * 1024;
+ tsf = mac80211_hwsim_get_tsf(hw, vif);
+ bcn_int = data->beacon_int;
+ until_tbtt = bcn_int - do_div(tsf, bcn_int);
+ tasklet_hrtimer_start(&data->beacon_timer,
+ ns_to_ktime(until_tbtt * 1000),
+ HRTIMER_MODE_REL);
+ } else if (!info->enable_beacon) {
+ unsigned int count = 0;
+ ieee80211_iterate_active_interfaces_atomic(
+ data->hw, IEEE80211_IFACE_ITER_NORMAL,
+ mac80211_hwsim_bcn_en_iter, &count);
+ wiphy_debug(hw->wiphy, " beaconing vifs remaining: %u",
+ count);
+ if (count == 0)
+ tasklet_hrtimer_cancel(&data->beacon_timer);
+ }
}
if (changed & BSS_CHANGED_ERP_CTS_PROT) {
@@ -777,15 +1475,17 @@ static void mac80211_hwsim_bss_info_changed(struct ieee80211_hw *hw,
}
if (changed & BSS_CHANGED_HT) {
- wiphy_debug(hw->wiphy, " HT: op_mode=0x%x, chantype=%s\n",
- info->ht_operation_mode,
- hwsim_chantypes[info->channel_type]);
+ wiphy_debug(hw->wiphy, " HT: op_mode=0x%x\n",
+ info->ht_operation_mode);
}
if (changed & BSS_CHANGED_BASIC_RATES) {
wiphy_debug(hw->wiphy, " BASIC_RATES: 0x%llx\n",
(unsigned long long) info->basic_rates);
}
+
+ if (changed & BSS_CHANGED_TXPOWER)
+ wiphy_debug(hw->wiphy, " TX Power: %d dBm\n", info->txpower);
}
static int mac80211_hwsim_sta_add(struct ieee80211_hw *hw,
@@ -835,7 +1535,8 @@ static int mac80211_hwsim_set_tim(struct ieee80211_hw *hw,
}
static int mac80211_hwsim_conf_tx(
- struct ieee80211_hw *hw, u16 queue,
+ struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif, u16 queue,
const struct ieee80211_tx_queue_params *params)
{
wiphy_debug(hw->wiphy,
@@ -858,7 +1559,7 @@ static int mac80211_hwsim_get_survey(
return -ENOENT;
/* Current channel */
- survey->channel = conf->channel;
+ survey->channel = conf->chandef.chan;
/*
* Magically conjured noise level --- this is only ok for simulated hardware.
@@ -892,6 +1593,8 @@ enum hwsim_testmode_attr {
enum hwsim_testmode_cmd {
HWSIM_TM_CMD_SET_PS = 0,
HWSIM_TM_CMD_GET_PS = 1,
+ HWSIM_TM_CMD_STOP_QUEUES = 2,
+ HWSIM_TM_CMD_WAKE_QUEUES = 3,
};
static const struct nla_policy hwsim_testmode_policy[HWSIM_TM_ATTR_MAX + 1] = {
@@ -899,9 +1602,8 @@ static const struct nla_policy hwsim_testmode_policy[HWSIM_TM_ATTR_MAX + 1] = {
[HWSIM_TM_ATTR_PS] = { .type = NLA_U32 },
};
-static int hwsim_fops_ps_write(void *dat, u64 val);
-
static int mac80211_hwsim_testmode_cmd(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
void *data, int len)
{
struct mac80211_hwsim_data *hwsim = hw->priv;
@@ -928,8 +1630,15 @@ static int mac80211_hwsim_testmode_cmd(struct ieee80211_hw *hw,
nla_total_size(sizeof(u32)));
if (!skb)
return -ENOMEM;
- NLA_PUT_U32(skb, HWSIM_TM_ATTR_PS, hwsim->ps);
+ if (nla_put_u32(skb, HWSIM_TM_ATTR_PS, hwsim->ps))
+ goto nla_put_failure;
return cfg80211_testmode_reply(skb);
+ case HWSIM_TM_CMD_STOP_QUEUES:
+ ieee80211_stop_queues(hw);
+ return 0;
+ case HWSIM_TM_CMD_WAKE_QUEUES:
+ ieee80211_wake_queues(hw);
+ return 0;
default:
return -EOPNOTSUPP;
}
@@ -943,13 +1652,16 @@ static int mac80211_hwsim_testmode_cmd(struct ieee80211_hw *hw,
static int mac80211_hwsim_ampdu_action(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
enum ieee80211_ampdu_mlme_action action,
- struct ieee80211_sta *sta, u16 tid, u16 *ssn)
+ struct ieee80211_sta *sta, u16 tid, u16 *ssn,
+ u8 buf_size)
{
switch (action) {
case IEEE80211_AMPDU_TX_START:
ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
break;
- case IEEE80211_AMPDU_TX_STOP:
+ case IEEE80211_AMPDU_TX_STOP_CONT:
+ case IEEE80211_AMPDU_TX_STOP_FLUSH:
+ case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
break;
case IEEE80211_AMPDU_TX_OPERATIONAL:
@@ -964,53 +1676,108 @@ static int mac80211_hwsim_ampdu_action(struct ieee80211_hw *hw,
return 0;
}
-static void mac80211_hwsim_flush(struct ieee80211_hw *hw, bool drop)
+static void mac80211_hwsim_flush(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ u32 queues, bool drop)
{
- /*
- * In this special case, there's nothing we need to
- * do because hwsim does transmission synchronously.
- * In the future, when it does transmissions via
- * userspace, we may need to do something.
- */
+ /* Not implemented, queues only on kernel side */
}
-struct hw_scan_done {
- struct delayed_work w;
- struct ieee80211_hw *hw;
-};
-
-static void hw_scan_done(struct work_struct *work)
+static void hw_scan_work(struct work_struct *work)
{
- struct hw_scan_done *hsd =
- container_of(work, struct hw_scan_done, w.work);
+ struct mac80211_hwsim_data *hwsim =
+ container_of(work, struct mac80211_hwsim_data, hw_scan.work);
+ struct cfg80211_scan_request *req = hwsim->hw_scan_request;
+ int dwell, i;
- ieee80211_scan_completed(hsd->hw, false);
- kfree(hsd);
+ mutex_lock(&hwsim->mutex);
+ if (hwsim->scan_chan_idx >= req->n_channels) {
+ wiphy_debug(hwsim->hw->wiphy, "hw scan complete\n");
+ ieee80211_scan_completed(hwsim->hw, false);
+ hwsim->hw_scan_request = NULL;
+ hwsim->hw_scan_vif = NULL;
+ hwsim->tmp_chan = NULL;
+ mutex_unlock(&hwsim->mutex);
+ return;
+ }
+
+ wiphy_debug(hwsim->hw->wiphy, "hw scan %d MHz\n",
+ req->channels[hwsim->scan_chan_idx]->center_freq);
+
+ hwsim->tmp_chan = req->channels[hwsim->scan_chan_idx];
+ if (hwsim->tmp_chan->flags & IEEE80211_CHAN_NO_IR ||
+ !req->n_ssids) {
+ dwell = 120;
+ } else {
+ dwell = 30;
+ /* send probes */
+ for (i = 0; i < req->n_ssids; i++) {
+ struct sk_buff *probe;
+
+ probe = ieee80211_probereq_get(hwsim->hw,
+ hwsim->hw_scan_vif,
+ req->ssids[i].ssid,
+ req->ssids[i].ssid_len,
+ req->ie_len);
+ if (!probe)
+ continue;
+
+ if (req->ie_len)
+ memcpy(skb_put(probe, req->ie_len), req->ie,
+ req->ie_len);
+
+ local_bh_disable();
+ mac80211_hwsim_tx_frame(hwsim->hw, probe,
+ hwsim->tmp_chan);
+ local_bh_enable();
+ }
+ }
+ ieee80211_queue_delayed_work(hwsim->hw, &hwsim->hw_scan,
+ msecs_to_jiffies(dwell));
+ hwsim->scan_chan_idx++;
+ mutex_unlock(&hwsim->mutex);
}
static int mac80211_hwsim_hw_scan(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct cfg80211_scan_request *req)
{
- struct hw_scan_done *hsd = kzalloc(sizeof(*hsd), GFP_KERNEL);
- int i;
-
- if (!hsd)
- return -ENOMEM;
+ struct mac80211_hwsim_data *hwsim = hw->priv;
- hsd->hw = hw;
- INIT_DELAYED_WORK(&hsd->w, hw_scan_done);
+ mutex_lock(&hwsim->mutex);
+ if (WARN_ON(hwsim->tmp_chan || hwsim->hw_scan_request)) {
+ mutex_unlock(&hwsim->mutex);
+ return -EBUSY;
+ }
+ hwsim->hw_scan_request = req;
+ hwsim->hw_scan_vif = vif;
+ hwsim->scan_chan_idx = 0;
+ mutex_unlock(&hwsim->mutex);
- printk(KERN_DEBUG "hwsim hw_scan request\n");
- for (i = 0; i < req->n_channels; i++)
- printk(KERN_DEBUG "hwsim hw_scan freq %d\n",
- req->channels[i]->center_freq);
+ wiphy_debug(hw->wiphy, "hwsim hw_scan request\n");
- ieee80211_queue_delayed_work(hw, &hsd->w, 2 * HZ);
+ ieee80211_queue_delayed_work(hwsim->hw, &hwsim->hw_scan, 0);
return 0;
}
+static void mac80211_hwsim_cancel_hw_scan(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif)
+{
+ struct mac80211_hwsim_data *hwsim = hw->priv;
+
+ wiphy_debug(hw->wiphy, "hwsim cancel_hw_scan\n");
+
+ cancel_delayed_work_sync(&hwsim->hw_scan);
+
+ mutex_lock(&hwsim->mutex);
+ ieee80211_scan_completed(hwsim->hw, true);
+ hwsim->tmp_chan = NULL;
+ hwsim->hw_scan_request = NULL;
+ hwsim->hw_scan_vif = NULL;
+ mutex_unlock(&hwsim->mutex);
+}
+
static void mac80211_hwsim_sw_scan(struct ieee80211_hw *hw)
{
struct mac80211_hwsim_data *hwsim = hw->priv;
@@ -1041,8 +1808,113 @@ static void mac80211_hwsim_sw_scan_complete(struct ieee80211_hw *hw)
mutex_unlock(&hwsim->mutex);
}
-static struct ieee80211_ops mac80211_hwsim_ops =
+static void hw_roc_done(struct work_struct *work)
{
+ struct mac80211_hwsim_data *hwsim =
+ container_of(work, struct mac80211_hwsim_data, roc_done.work);
+
+ mutex_lock(&hwsim->mutex);
+ ieee80211_remain_on_channel_expired(hwsim->hw);
+ hwsim->tmp_chan = NULL;
+ mutex_unlock(&hwsim->mutex);
+
+ wiphy_debug(hwsim->hw->wiphy, "hwsim ROC expired\n");
+}
+
+static int mac80211_hwsim_roc(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_channel *chan,
+ int duration,
+ enum ieee80211_roc_type type)
+{
+ struct mac80211_hwsim_data *hwsim = hw->priv;
+
+ mutex_lock(&hwsim->mutex);
+ if (WARN_ON(hwsim->tmp_chan || hwsim->hw_scan_request)) {
+ mutex_unlock(&hwsim->mutex);
+ return -EBUSY;
+ }
+
+ hwsim->tmp_chan = chan;
+ mutex_unlock(&hwsim->mutex);
+
+ wiphy_debug(hw->wiphy, "hwsim ROC (%d MHz, %d ms)\n",
+ chan->center_freq, duration);
+
+ ieee80211_ready_on_channel(hw);
+
+ ieee80211_queue_delayed_work(hw, &hwsim->roc_done,
+ msecs_to_jiffies(duration));
+ return 0;
+}
+
+static int mac80211_hwsim_croc(struct ieee80211_hw *hw)
+{
+ struct mac80211_hwsim_data *hwsim = hw->priv;
+
+ cancel_delayed_work_sync(&hwsim->roc_done);
+
+ mutex_lock(&hwsim->mutex);
+ hwsim->tmp_chan = NULL;
+ mutex_unlock(&hwsim->mutex);
+
+ wiphy_debug(hw->wiphy, "hwsim ROC canceled\n");
+
+ return 0;
+}
+
+static int mac80211_hwsim_add_chanctx(struct ieee80211_hw *hw,
+ struct ieee80211_chanctx_conf *ctx)
+{
+ hwsim_set_chanctx_magic(ctx);
+ wiphy_debug(hw->wiphy,
+ "add channel context control: %d MHz/width: %d/cfreqs:%d/%d MHz\n",
+ ctx->def.chan->center_freq, ctx->def.width,
+ ctx->def.center_freq1, ctx->def.center_freq2);
+ return 0;
+}
+
+static void mac80211_hwsim_remove_chanctx(struct ieee80211_hw *hw,
+ struct ieee80211_chanctx_conf *ctx)
+{
+ wiphy_debug(hw->wiphy,
+ "remove channel context control: %d MHz/width: %d/cfreqs:%d/%d MHz\n",
+ ctx->def.chan->center_freq, ctx->def.width,
+ ctx->def.center_freq1, ctx->def.center_freq2);
+ hwsim_check_chanctx_magic(ctx);
+ hwsim_clear_chanctx_magic(ctx);
+}
+
+static void mac80211_hwsim_change_chanctx(struct ieee80211_hw *hw,
+ struct ieee80211_chanctx_conf *ctx,
+ u32 changed)
+{
+ hwsim_check_chanctx_magic(ctx);
+ wiphy_debug(hw->wiphy,
+ "change channel context control: %d MHz/width: %d/cfreqs:%d/%d MHz\n",
+ ctx->def.chan->center_freq, ctx->def.width,
+ ctx->def.center_freq1, ctx->def.center_freq2);
+}
+
+static int mac80211_hwsim_assign_vif_chanctx(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_chanctx_conf *ctx)
+{
+ hwsim_check_magic(vif);
+ hwsim_check_chanctx_magic(ctx);
+
+ return 0;
+}
+
+static void mac80211_hwsim_unassign_vif_chanctx(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_chanctx_conf *ctx)
+{
+ hwsim_check_magic(vif);
+ hwsim_check_chanctx_magic(ctx);
+}
+
+static const struct ieee80211_ops mac80211_hwsim_ops = {
.tx = mac80211_hwsim_tx,
.start = mac80211_hwsim_start,
.stop = mac80211_hwsim_stop,
@@ -1063,36 +1935,284 @@ static struct ieee80211_ops mac80211_hwsim_ops =
.sw_scan_start = mac80211_hwsim_sw_scan,
.sw_scan_complete = mac80211_hwsim_sw_scan_complete,
.flush = mac80211_hwsim_flush,
+ .get_tsf = mac80211_hwsim_get_tsf,
+ .set_tsf = mac80211_hwsim_set_tsf,
};
+static struct ieee80211_ops mac80211_hwsim_mchan_ops;
-static void mac80211_hwsim_free(void)
+static int mac80211_hwsim_create_radio(int channels, const char *reg_alpha2,
+ const struct ieee80211_regdomain *regd,
+ bool reg_strict, bool p2p_device,
+ bool use_chanctx)
{
- struct list_head tmplist, *i, *tmp;
- struct mac80211_hwsim_data *data, *tmpdata;
+ int err;
+ u8 addr[ETH_ALEN];
+ struct mac80211_hwsim_data *data;
+ struct ieee80211_hw *hw;
+ enum ieee80211_band band;
+ const struct ieee80211_ops *ops = &mac80211_hwsim_ops;
+ int idx;
- INIT_LIST_HEAD(&tmplist);
+ if (WARN_ON(channels > 1 && !use_chanctx))
+ return -EINVAL;
spin_lock_bh(&hwsim_radio_lock);
- list_for_each_safe(i, tmp, &hwsim_radios)
- list_move(i, &tmplist);
+ idx = hwsim_radio_idx++;
spin_unlock_bh(&hwsim_radio_lock);
- list_for_each_entry_safe(data, tmpdata, &tmplist, list) {
- debugfs_remove(data->debugfs_group);
- debugfs_remove(data->debugfs_ps);
- debugfs_remove(data->debugfs);
- ieee80211_unregister_hw(data->hw);
- device_unregister(data->dev);
- ieee80211_free_hw(data->hw);
+ if (use_chanctx)
+ ops = &mac80211_hwsim_mchan_ops;
+ hw = ieee80211_alloc_hw(sizeof(*data), ops);
+ if (!hw) {
+ printk(KERN_DEBUG "mac80211_hwsim: ieee80211_alloc_hw failed\n");
+ err = -ENOMEM;
+ goto failed;
}
- class_destroy(hwsim_class);
+ data = hw->priv;
+ data->hw = hw;
+
+ data->dev = device_create(hwsim_class, NULL, 0, hw, "hwsim%d", idx);
+ if (IS_ERR(data->dev)) {
+ printk(KERN_DEBUG
+ "mac80211_hwsim: device_create failed (%ld)\n",
+ PTR_ERR(data->dev));
+ err = -ENOMEM;
+ goto failed_drvdata;
+ }
+ data->dev->driver = &mac80211_hwsim_driver.driver;
+ err = device_bind_driver(data->dev);
+ if (err != 0) {
+ printk(KERN_DEBUG "mac80211_hwsim: device_bind_driver failed (%d)\n",
+ err);
+ goto failed_hw;
+ }
+
+ skb_queue_head_init(&data->pending);
+
+ SET_IEEE80211_DEV(hw, data->dev);
+ memset(addr, 0, ETH_ALEN);
+ addr[0] = 0x02;
+ addr[3] = idx >> 8;
+ addr[4] = idx;
+ memcpy(data->addresses[0].addr, addr, ETH_ALEN);
+ memcpy(data->addresses[1].addr, addr, ETH_ALEN);
+ data->addresses[1].addr[0] |= 0x40;
+ hw->wiphy->n_addresses = 2;
+ hw->wiphy->addresses = data->addresses;
+
+ data->channels = channels;
+ data->use_chanctx = use_chanctx;
+ data->idx = idx;
+
+ if (data->use_chanctx) {
+ hw->wiphy->max_scan_ssids = 255;
+ hw->wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN;
+ hw->wiphy->max_remain_on_channel_duration = 1000;
+ /* For channels > 1 DFS is not allowed */
+ hw->wiphy->n_iface_combinations = 1;
+ hw->wiphy->iface_combinations = &data->if_combination;
+ if (p2p_device)
+ data->if_combination = hwsim_if_comb_p2p_dev[0];
+ else
+ data->if_combination = hwsim_if_comb[0];
+ data->if_combination.num_different_channels = data->channels;
+ } else if (p2p_device) {
+ hw->wiphy->iface_combinations = hwsim_if_comb_p2p_dev;
+ hw->wiphy->n_iface_combinations =
+ ARRAY_SIZE(hwsim_if_comb_p2p_dev);
+ } else {
+ hw->wiphy->iface_combinations = hwsim_if_comb;
+ hw->wiphy->n_iface_combinations = ARRAY_SIZE(hwsim_if_comb);
+ }
+
+ INIT_DELAYED_WORK(&data->roc_done, hw_roc_done);
+ INIT_DELAYED_WORK(&data->hw_scan, hw_scan_work);
+
+ hw->queues = 5;
+ hw->offchannel_tx_hw_queue = 4;
+ hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
+ BIT(NL80211_IFTYPE_AP) |
+ BIT(NL80211_IFTYPE_P2P_CLIENT) |
+ BIT(NL80211_IFTYPE_P2P_GO) |
+ BIT(NL80211_IFTYPE_ADHOC) |
+ BIT(NL80211_IFTYPE_MESH_POINT);
+
+ if (p2p_device)
+ hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_DEVICE);
+
+ hw->flags = IEEE80211_HW_MFP_CAPABLE |
+ IEEE80211_HW_SIGNAL_DBM |
+ IEEE80211_HW_SUPPORTS_STATIC_SMPS |
+ IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS |
+ IEEE80211_HW_AMPDU_AGGREGATION |
+ IEEE80211_HW_WANT_MONITOR_VIF |
+ IEEE80211_HW_QUEUE_CONTROL |
+ IEEE80211_HW_SUPPORTS_HT_CCK_RATES |
+ IEEE80211_HW_CHANCTX_STA_CSA;
+ if (rctbl)
+ hw->flags |= IEEE80211_HW_SUPPORTS_RC_TABLE;
+
+ hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS |
+ WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
+ WIPHY_FLAG_AP_UAPSD |
+ WIPHY_FLAG_HAS_CHANNEL_SWITCH;
+ hw->wiphy->features |= NL80211_FEATURE_ACTIVE_MONITOR;
+ hw->wiphy->features |= NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE;
+
+ /* 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);
+ hw->chanctx_data_size = sizeof(struct hwsim_chanctx_priv);
+
+ memcpy(data->channels_2ghz, hwsim_channels_2ghz,
+ sizeof(hwsim_channels_2ghz));
+ memcpy(data->channels_5ghz, hwsim_channels_5ghz,
+ sizeof(hwsim_channels_5ghz));
+ memcpy(data->rates, hwsim_rates, sizeof(hwsim_rates));
+
+ for (band = IEEE80211_BAND_2GHZ; band < IEEE80211_NUM_BANDS; band++) {
+ struct ieee80211_supported_band *sband = &data->bands[band];
+ switch (band) {
+ case IEEE80211_BAND_2GHZ:
+ sband->channels = data->channels_2ghz;
+ sband->n_channels = ARRAY_SIZE(hwsim_channels_2ghz);
+ sband->bitrates = data->rates;
+ sband->n_bitrates = ARRAY_SIZE(hwsim_rates);
+ break;
+ case IEEE80211_BAND_5GHZ:
+ sband->channels = data->channels_5ghz;
+ sband->n_channels = ARRAY_SIZE(hwsim_channels_5ghz);
+ sband->bitrates = data->rates + 4;
+ sband->n_bitrates = ARRAY_SIZE(hwsim_rates) - 4;
+ break;
+ default:
+ continue;
+ }
+
+ sband->ht_cap.ht_supported = true;
+ sband->ht_cap.cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
+ IEEE80211_HT_CAP_GRN_FLD |
+ IEEE80211_HT_CAP_SGI_40 |
+ IEEE80211_HT_CAP_DSSSCCK40;
+ sband->ht_cap.ampdu_factor = 0x3;
+ sband->ht_cap.ampdu_density = 0x6;
+ memset(&sband->ht_cap.mcs, 0,
+ sizeof(sband->ht_cap.mcs));
+ sband->ht_cap.mcs.rx_mask[0] = 0xff;
+ sband->ht_cap.mcs.rx_mask[1] = 0xff;
+ sband->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
+
+ hw->wiphy->bands[band] = sband;
+
+ sband->vht_cap.vht_supported = true;
+ sband->vht_cap.cap =
+ IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 |
+ IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ |
+ IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ |
+ IEEE80211_VHT_CAP_RXLDPC |
+ IEEE80211_VHT_CAP_SHORT_GI_80 |
+ IEEE80211_VHT_CAP_SHORT_GI_160 |
+ IEEE80211_VHT_CAP_TXSTBC |
+ IEEE80211_VHT_CAP_RXSTBC_1 |
+ IEEE80211_VHT_CAP_RXSTBC_2 |
+ IEEE80211_VHT_CAP_RXSTBC_3 |
+ IEEE80211_VHT_CAP_RXSTBC_4 |
+ IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK;
+ sband->vht_cap.vht_mcs.rx_mcs_map =
+ cpu_to_le16(IEEE80211_VHT_MCS_SUPPORT_0_8 << 0 |
+ IEEE80211_VHT_MCS_SUPPORT_0_8 << 2 |
+ IEEE80211_VHT_MCS_SUPPORT_0_9 << 4 |
+ IEEE80211_VHT_MCS_SUPPORT_0_8 << 6 |
+ IEEE80211_VHT_MCS_SUPPORT_0_8 << 8 |
+ IEEE80211_VHT_MCS_SUPPORT_0_9 << 10 |
+ IEEE80211_VHT_MCS_SUPPORT_0_9 << 12 |
+ IEEE80211_VHT_MCS_SUPPORT_0_8 << 14);
+ sband->vht_cap.vht_mcs.tx_mcs_map =
+ sband->vht_cap.vht_mcs.rx_mcs_map;
+ }
+
+ /* By default all radios belong to the first group */
+ data->group = 1;
+ mutex_init(&data->mutex);
+
+ /* Enable frame retransmissions for lossy channels */
+ hw->max_rates = 4;
+ hw->max_rate_tries = 11;
+
+ if (reg_strict)
+ hw->wiphy->regulatory_flags |= REGULATORY_STRICT_REG;
+ if (regd) {
+ hw->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG;
+ wiphy_apply_custom_regulatory(hw->wiphy, regd);
+ /* give the regulatory workqueue a chance to run */
+ schedule_timeout_interruptible(1);
+ }
+
+ err = ieee80211_register_hw(hw);
+ if (err < 0) {
+ printk(KERN_DEBUG "mac80211_hwsim: ieee80211_register_hw failed (%d)\n",
+ err);
+ goto failed_hw;
+ }
+
+ wiphy_debug(hw->wiphy, "hwaddr %pM registered\n", hw->wiphy->perm_addr);
+
+ if (reg_alpha2)
+ regulatory_hint(hw->wiphy, reg_alpha2);
+
+ data->debugfs = debugfs_create_dir("hwsim", hw->wiphy->debugfsdir);
+ debugfs_create_file("ps", 0666, data->debugfs, data, &hwsim_fops_ps);
+ debugfs_create_file("group", 0666, data->debugfs, data,
+ &hwsim_fops_group);
+ if (!data->use_chanctx)
+ debugfs_create_file("dfs_simulate_radar", 0222,
+ data->debugfs,
+ data, &hwsim_simulate_radar);
+
+ tasklet_hrtimer_init(&data->beacon_timer,
+ mac80211_hwsim_beacon,
+ CLOCK_MONOTONIC_RAW, HRTIMER_MODE_ABS);
+
+ spin_lock_bh(&hwsim_radio_lock);
+ list_add_tail(&data->list, &hwsim_radios);
+ spin_unlock_bh(&hwsim_radio_lock);
+
+ return idx;
+
+failed_hw:
+ device_unregister(data->dev);
+failed_drvdata:
+ ieee80211_free_hw(hw);
+failed:
+ return err;
}
+static void mac80211_hwsim_destroy_radio(struct mac80211_hwsim_data *data)
+{
+ debugfs_remove_recursive(data->debugfs);
+ ieee80211_unregister_hw(data->hw);
+ device_release_driver(data->dev);
+ device_unregister(data->dev);
+ ieee80211_free_hw(data->hw);
+}
-static struct device_driver mac80211_hwsim_driver = {
- .name = "mac80211_hwsim"
-};
+static void mac80211_hwsim_free(void)
+{
+ struct mac80211_hwsim_data *data;
+
+ spin_lock_bh(&hwsim_radio_lock);
+ while ((data = list_first_entry_or_null(&hwsim_radios,
+ struct mac80211_hwsim_data,
+ list))) {
+ list_del(&data->list);
+ spin_unlock_bh(&hwsim_radio_lock);
+ mac80211_hwsim_destroy_radio(data);
+ spin_lock_bh(&hwsim_radio_lock);
+ }
+ spin_unlock_bh(&hwsim_radio_lock);
+ class_destroy(hwsim_class);
+}
static const struct net_device_ops hwsim_netdev_ops = {
.ndo_start_xmit = hwsim_mon_xmit,
@@ -1112,448 +2232,497 @@ static void hwsim_mon_setup(struct net_device *dev)
dev->dev_addr[0] = 0x12;
}
-
-static void hwsim_send_ps_poll(void *dat, u8 *mac, struct ieee80211_vif *vif)
+static struct mac80211_hwsim_data *get_hwsim_data_ref_from_addr(const u8 *addr)
{
- struct mac80211_hwsim_data *data = dat;
- struct hwsim_vif_priv *vp = (void *)vif->drv_priv;
- struct sk_buff *skb;
- struct ieee80211_pspoll *pspoll;
+ struct mac80211_hwsim_data *data;
+ bool _found = false;
- if (!vp->assoc)
- return;
+ spin_lock_bh(&hwsim_radio_lock);
+ list_for_each_entry(data, &hwsim_radios, list) {
+ if (memcmp(data->addresses[1].addr, addr, ETH_ALEN) == 0) {
+ _found = true;
+ break;
+ }
+ }
+ spin_unlock_bh(&hwsim_radio_lock);
- wiphy_debug(data->hw->wiphy,
- "%s: send PS-Poll to %pM for aid %d\n",
- __func__, vp->bssid, vp->aid);
+ if (!_found)
+ return NULL;
- 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 (!mac80211_hwsim_tx_frame(data->hw, skb))
- printk(KERN_DEBUG "%s: PS-Poll frame not ack'ed\n", __func__);
- dev_kfree_skb(skb);
+ return data;
}
-
-static void hwsim_send_nullfunc(struct mac80211_hwsim_data *data, u8 *mac,
- struct ieee80211_vif *vif, int ps)
+static int hwsim_tx_info_frame_received_nl(struct sk_buff *skb_2,
+ struct genl_info *info)
{
- struct hwsim_vif_priv *vp = (void *)vif->drv_priv;
- struct sk_buff *skb;
+
struct ieee80211_hdr *hdr;
+ struct mac80211_hwsim_data *data2;
+ struct ieee80211_tx_info *txi;
+ struct hwsim_tx_rate *tx_attempts;
+ unsigned long ret_skb_ptr;
+ struct sk_buff *skb, *tmp;
+ const u8 *src;
+ unsigned int hwsim_flags;
+ int i;
+ bool found = false;
- if (!vp->assoc)
- return;
+ if (info->snd_portid != wmediumd_portid)
+ return -EINVAL;
- wiphy_debug(data->hw->wiphy,
- "%s: send data::nullfunc to %pM ps=%d\n",
- __func__, vp->bssid, ps);
+ if (!info->attrs[HWSIM_ATTR_ADDR_TRANSMITTER] ||
+ !info->attrs[HWSIM_ATTR_FLAGS] ||
+ !info->attrs[HWSIM_ATTR_COOKIE] ||
+ !info->attrs[HWSIM_ATTR_TX_INFO])
+ goto out;
- 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 (!mac80211_hwsim_tx_frame(data->hw, skb))
- printk(KERN_DEBUG "%s: nullfunc frame not ack'ed\n", __func__);
- dev_kfree_skb(skb);
-}
+ src = (void *)nla_data(info->attrs[HWSIM_ATTR_ADDR_TRANSMITTER]);
+ hwsim_flags = nla_get_u32(info->attrs[HWSIM_ATTR_FLAGS]);
+ ret_skb_ptr = nla_get_u64(info->attrs[HWSIM_ATTR_COOKIE]);
+ data2 = get_hwsim_data_ref_from_addr(src);
+ if (!data2)
+ goto out;
-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);
-}
+ /* look for the skb matching the cookie passed back from user */
+ skb_queue_walk_safe(&data2->pending, skb, tmp) {
+ if ((unsigned long)skb == ret_skb_ptr) {
+ skb_unlink(skb, &data2->pending);
+ found = true;
+ break;
+ }
+ }
+ /* not found */
+ if (!found)
+ goto out;
+
+ /* Tx info received because the frame was broadcasted on user space,
+ so we get all the necessary info: tx attempts and skb control buff */
+
+ tx_attempts = (struct hwsim_tx_rate *)nla_data(
+ info->attrs[HWSIM_ATTR_TX_INFO]);
+
+ /* now send back TX status */
+ txi = IEEE80211_SKB_CB(skb);
+
+ ieee80211_tx_info_clear_status(txi);
+
+ for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) {
+ txi->status.rates[i].idx = tx_attempts[i].idx;
+ txi->status.rates[i].count = tx_attempts[i].count;
+ /*txi->status.rates[i].flags = 0;*/
+ }
+
+ txi->status.ack_signal = nla_get_u32(info->attrs[HWSIM_ATTR_SIGNAL]);
+
+ if (!(hwsim_flags & HWSIM_TX_CTL_NO_ACK) &&
+ (hwsim_flags & HWSIM_TX_STAT_ACK)) {
+ if (skb->len >= 16) {
+ hdr = (struct ieee80211_hdr *) skb->data;
+ mac80211_hwsim_monitor_ack(data2->channel,
+ hdr->addr2);
+ }
+ txi->flags |= IEEE80211_TX_STAT_ACK;
+ }
+ ieee80211_tx_status_irqsafe(data2->hw, skb);
+ return 0;
+out:
+ return -EINVAL;
-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_cloned_frame_received_nl(struct sk_buff *skb_2,
+ struct genl_info *info)
+{
-static int hwsim_fops_ps_read(void *dat, u64 *val)
+ struct mac80211_hwsim_data *data2;
+ struct ieee80211_rx_status rx_status;
+ const u8 *dst;
+ int frame_data_len;
+ void *frame_data;
+ struct sk_buff *skb = NULL;
+
+ if (info->snd_portid != wmediumd_portid)
+ return -EINVAL;
+
+ if (!info->attrs[HWSIM_ATTR_ADDR_RECEIVER] ||
+ !info->attrs[HWSIM_ATTR_FRAME] ||
+ !info->attrs[HWSIM_ATTR_RX_RATE] ||
+ !info->attrs[HWSIM_ATTR_SIGNAL])
+ goto out;
+
+ dst = (void *)nla_data(info->attrs[HWSIM_ATTR_ADDR_RECEIVER]);
+ frame_data_len = nla_len(info->attrs[HWSIM_ATTR_FRAME]);
+ frame_data = (void *)nla_data(info->attrs[HWSIM_ATTR_FRAME]);
+
+ /* Allocate new skb here */
+ skb = alloc_skb(frame_data_len, GFP_KERNEL);
+ if (skb == NULL)
+ goto err;
+
+ if (frame_data_len > IEEE80211_MAX_DATA_LEN)
+ goto err;
+
+ /* Copy the data */
+ memcpy(skb_put(skb, frame_data_len), frame_data, frame_data_len);
+
+ data2 = get_hwsim_data_ref_from_addr(dst);
+ if (!data2)
+ goto out;
+
+ /* check if radio is configured properly */
+
+ if (data2->idle || !data2->started)
+ goto out;
+
+ /* A frame is received from user space */
+ memset(&rx_status, 0, sizeof(rx_status));
+ rx_status.freq = data2->channel->center_freq;
+ rx_status.band = data2->channel->band;
+ rx_status.rate_idx = nla_get_u32(info->attrs[HWSIM_ATTR_RX_RATE]);
+ rx_status.signal = nla_get_u32(info->attrs[HWSIM_ATTR_SIGNAL]);
+
+ memcpy(IEEE80211_SKB_RXCB(skb), &rx_status, sizeof(rx_status));
+ ieee80211_rx_irqsafe(data2->hw, skb);
+
+ return 0;
+err:
+ printk(KERN_DEBUG "mac80211_hwsim: error occurred in %s\n", __func__);
+ goto out;
+out:
+ dev_kfree_skb(skb);
+ return -EINVAL;
+}
+
+static int hwsim_register_received_nl(struct sk_buff *skb_2,
+ struct genl_info *info)
{
- struct mac80211_hwsim_data *data = dat;
- *val = data->ps;
+ struct mac80211_hwsim_data *data;
+ int chans = 1;
+
+ spin_lock_bh(&hwsim_radio_lock);
+ list_for_each_entry(data, &hwsim_radios, list)
+ chans = max(chans, data->channels);
+ spin_unlock_bh(&hwsim_radio_lock);
+
+ /* In the future we should revise the userspace API and allow it
+ * to set a flag that it does support multi-channel, then we can
+ * let this pass conditionally on the flag.
+ * For current userspace, prohibit it since it won't work right.
+ */
+ if (chans > 1)
+ return -EOPNOTSUPP;
+
+ if (wmediumd_portid)
+ return -EBUSY;
+
+ wmediumd_portid = info->snd_portid;
+
+ printk(KERN_DEBUG "mac80211_hwsim: received a REGISTER, "
+ "switching to wmediumd mode with pid %d\n", info->snd_portid);
+
return 0;
}
-static int hwsim_fops_ps_write(void *dat, u64 val)
+static int hwsim_create_radio_nl(struct sk_buff *msg, struct genl_info *info)
{
- struct mac80211_hwsim_data *data = dat;
- enum ps_mode old_ps;
+ unsigned int chans = channels;
+ const char *alpha2 = NULL;
+ const struct ieee80211_regdomain *regd = NULL;
+ bool reg_strict = info->attrs[HWSIM_ATTR_REG_STRICT_REG];
+ bool p2p_device = info->attrs[HWSIM_ATTR_SUPPORT_P2P_DEVICE];
+ bool use_chanctx;
+
+ if (info->attrs[HWSIM_ATTR_CHANNELS])
+ chans = nla_get_u32(info->attrs[HWSIM_ATTR_CHANNELS]);
+
+ if (info->attrs[HWSIM_ATTR_USE_CHANCTX])
+ use_chanctx = true;
+ else
+ use_chanctx = (chans > 1);
- if (val != PS_DISABLED && val != PS_ENABLED && val != PS_AUTO_POLL &&
- val != PS_MANUAL_POLL)
- return -EINVAL;
+ if (info->attrs[HWSIM_ATTR_REG_HINT_ALPHA2])
+ alpha2 = nla_data(info->attrs[HWSIM_ATTR_REG_HINT_ALPHA2]);
- old_ps = data->ps;
- data->ps = val;
+ if (info->attrs[HWSIM_ATTR_REG_CUSTOM_REG]) {
+ u32 idx = nla_get_u32(info->attrs[HWSIM_ATTR_REG_CUSTOM_REG]);
- 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);
+ if (idx >= ARRAY_SIZE(hwsim_world_regdom_custom))
+ return -EINVAL;
+ regd = hwsim_world_regdom_custom[idx];
}
- return 0;
+ return mac80211_hwsim_create_radio(chans, alpha2, regd, reg_strict,
+ p2p_device, use_chanctx);
}
-DEFINE_SIMPLE_ATTRIBUTE(hwsim_fops_ps, hwsim_fops_ps_read, hwsim_fops_ps_write,
- "%llu\n");
+static int hwsim_destroy_radio_nl(struct sk_buff *msg, struct genl_info *info)
+{
+ struct mac80211_hwsim_data *data;
+ int idx;
+ if (!info->attrs[HWSIM_ATTR_RADIO_ID])
+ return -EINVAL;
+ idx = nla_get_u32(info->attrs[HWSIM_ATTR_RADIO_ID]);
-static int hwsim_fops_group_read(void *dat, u64 *val)
+ spin_lock_bh(&hwsim_radio_lock);
+ list_for_each_entry(data, &hwsim_radios, list) {
+ if (data->idx != idx)
+ continue;
+ list_del(&data->list);
+ spin_unlock_bh(&hwsim_radio_lock);
+ mac80211_hwsim_destroy_radio(data);
+ return 0;
+ }
+ spin_unlock_bh(&hwsim_radio_lock);
+
+ return -ENODEV;
+}
+
+/* Generic Netlink operations array */
+static const struct genl_ops hwsim_ops[] = {
+ {
+ .cmd = HWSIM_CMD_REGISTER,
+ .policy = hwsim_genl_policy,
+ .doit = hwsim_register_received_nl,
+ .flags = GENL_ADMIN_PERM,
+ },
+ {
+ .cmd = HWSIM_CMD_FRAME,
+ .policy = hwsim_genl_policy,
+ .doit = hwsim_cloned_frame_received_nl,
+ },
+ {
+ .cmd = HWSIM_CMD_TX_INFO_FRAME,
+ .policy = hwsim_genl_policy,
+ .doit = hwsim_tx_info_frame_received_nl,
+ },
+ {
+ .cmd = HWSIM_CMD_CREATE_RADIO,
+ .policy = hwsim_genl_policy,
+ .doit = hwsim_create_radio_nl,
+ .flags = GENL_ADMIN_PERM,
+ },
+ {
+ .cmd = HWSIM_CMD_DESTROY_RADIO,
+ .policy = hwsim_genl_policy,
+ .doit = hwsim_destroy_radio_nl,
+ .flags = GENL_ADMIN_PERM,
+ },
+};
+
+static int mac80211_hwsim_netlink_notify(struct notifier_block *nb,
+ unsigned long state,
+ void *_notify)
{
- struct mac80211_hwsim_data *data = dat;
- *val = data->group;
- return 0;
+ struct netlink_notify *notify = _notify;
+
+ if (state != NETLINK_URELEASE)
+ return NOTIFY_DONE;
+
+ if (notify->portid == wmediumd_portid) {
+ printk(KERN_INFO "mac80211_hwsim: wmediumd released netlink"
+ " socket, switching to perfect channel medium\n");
+ wmediumd_portid = 0;
+ }
+ return NOTIFY_DONE;
+
}
-static int hwsim_fops_group_write(void *dat, u64 val)
+static struct notifier_block hwsim_netlink_notifier = {
+ .notifier_call = mac80211_hwsim_netlink_notify,
+};
+
+static int hwsim_init_netlink(void)
{
- struct mac80211_hwsim_data *data = dat;
- data->group = val;
+ int rc;
+
+ printk(KERN_INFO "mac80211_hwsim: initializing netlink\n");
+
+ rc = genl_register_family_with_ops(&hwsim_genl_family, hwsim_ops);
+ if (rc)
+ goto failure;
+
+ rc = netlink_register_notifier(&hwsim_netlink_notifier);
+ if (rc)
+ goto failure;
+
return 0;
+
+failure:
+ printk(KERN_DEBUG "mac80211_hwsim: error occurred in %s\n", __func__);
+ return -EINVAL;
}
-DEFINE_SIMPLE_ATTRIBUTE(hwsim_fops_group,
- hwsim_fops_group_read, hwsim_fops_group_write,
- "%llx\n");
+static void hwsim_exit_netlink(void)
+{
+ /* unregister the notifier */
+ netlink_unregister_notifier(&hwsim_netlink_notifier);
+ /* unregister the family */
+ genl_unregister_family(&hwsim_genl_family);
+}
static int __init init_mac80211_hwsim(void)
{
- int i, err = 0;
- u8 addr[ETH_ALEN];
- struct mac80211_hwsim_data *data;
- struct ieee80211_hw *hw;
- enum ieee80211_band band;
+ int i, err;
- if (radios < 1 || radios > 100)
+ if (radios < 0 || radios > 100)
return -EINVAL;
- if (fake_hw_scan) {
- mac80211_hwsim_ops.hw_scan = mac80211_hwsim_hw_scan;
- mac80211_hwsim_ops.sw_scan_start = NULL;
- mac80211_hwsim_ops.sw_scan_complete = NULL;
- }
+ if (channels < 1)
+ return -EINVAL;
+
+ mac80211_hwsim_mchan_ops = mac80211_hwsim_ops;
+ mac80211_hwsim_mchan_ops.hw_scan = mac80211_hwsim_hw_scan;
+ mac80211_hwsim_mchan_ops.cancel_hw_scan = mac80211_hwsim_cancel_hw_scan;
+ mac80211_hwsim_mchan_ops.sw_scan_start = NULL;
+ mac80211_hwsim_mchan_ops.sw_scan_complete = NULL;
+ mac80211_hwsim_mchan_ops.remain_on_channel = mac80211_hwsim_roc;
+ mac80211_hwsim_mchan_ops.cancel_remain_on_channel = mac80211_hwsim_croc;
+ mac80211_hwsim_mchan_ops.add_chanctx = mac80211_hwsim_add_chanctx;
+ mac80211_hwsim_mchan_ops.remove_chanctx = mac80211_hwsim_remove_chanctx;
+ mac80211_hwsim_mchan_ops.change_chanctx = mac80211_hwsim_change_chanctx;
+ mac80211_hwsim_mchan_ops.assign_vif_chanctx =
+ mac80211_hwsim_assign_vif_chanctx;
+ mac80211_hwsim_mchan_ops.unassign_vif_chanctx =
+ mac80211_hwsim_unassign_vif_chanctx;
spin_lock_init(&hwsim_radio_lock);
INIT_LIST_HEAD(&hwsim_radios);
- hwsim_class = class_create(THIS_MODULE, "mac80211_hwsim");
- if (IS_ERR(hwsim_class))
- return PTR_ERR(hwsim_class);
+ err = platform_driver_register(&mac80211_hwsim_driver);
+ if (err)
+ return err;
- memset(addr, 0, ETH_ALEN);
- addr[0] = 0x02;
+ hwsim_class = class_create(THIS_MODULE, "mac80211_hwsim");
+ if (IS_ERR(hwsim_class)) {
+ err = PTR_ERR(hwsim_class);
+ goto out_unregister_driver;
+ }
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) {
- printk(KERN_DEBUG "mac80211_hwsim: ieee80211_alloc_hw "
- "failed\n");
- err = -ENOMEM;
- goto failed;
- }
- data = hw->priv;
- 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 "
- "failed (%ld)\n", PTR_ERR(data->dev));
- err = -ENOMEM;
- goto failed_drvdata;
- }
- data->dev->driver = &mac80211_hwsim_driver;
-
- SET_IEEE80211_DEV(hw, data->dev);
- addr[3] = i >> 8;
- addr[4] = i;
- memcpy(data->addresses[0].addr, addr, ETH_ALEN);
- memcpy(data->addresses[1].addr, addr, ETH_ALEN);
- data->addresses[1].addr[0] |= 0x40;
- hw->wiphy->n_addresses = 2;
- hw->wiphy->addresses = data->addresses;
-
- if (fake_hw_scan) {
- hw->wiphy->max_scan_ssids = 255;
- hw->wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN;
- }
-
- hw->channel_change_time = 1;
- hw->queues = 4;
- hw->wiphy->interface_modes =
- BIT(NL80211_IFTYPE_STATION) |
- BIT(NL80211_IFTYPE_AP) |
- BIT(NL80211_IFTYPE_P2P_CLIENT) |
- BIT(NL80211_IFTYPE_P2P_GO) |
- BIT(NL80211_IFTYPE_ADHOC) |
- BIT(NL80211_IFTYPE_MESH_POINT);
-
- hw->flags = IEEE80211_HW_MFP_CAPABLE |
- IEEE80211_HW_SIGNAL_DBM |
- IEEE80211_HW_SUPPORTS_STATIC_SMPS |
- IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS |
- IEEE80211_HW_AMPDU_AGGREGATION;
-
- /* 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_2ghz, hwsim_channels_2ghz,
- sizeof(hwsim_channels_2ghz));
- memcpy(data->channels_5ghz, hwsim_channels_5ghz,
- sizeof(hwsim_channels_5ghz));
- memcpy(data->rates, hwsim_rates, sizeof(hwsim_rates));
-
- for (band = IEEE80211_BAND_2GHZ; band < IEEE80211_NUM_BANDS; band++) {
- struct ieee80211_supported_band *sband = &data->bands[band];
- switch (band) {
- case IEEE80211_BAND_2GHZ:
- sband->channels = data->channels_2ghz;
- sband->n_channels =
- ARRAY_SIZE(hwsim_channels_2ghz);
- sband->bitrates = data->rates;
- sband->n_bitrates = ARRAY_SIZE(hwsim_rates);
- break;
- case IEEE80211_BAND_5GHZ:
- sband->channels = data->channels_5ghz;
- sband->n_channels =
- ARRAY_SIZE(hwsim_channels_5ghz);
- sband->bitrates = data->rates + 4;
- sband->n_bitrates = ARRAY_SIZE(hwsim_rates) - 4;
- break;
- default:
- break;
- }
-
- sband->ht_cap.ht_supported = true;
- sband->ht_cap.cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
- IEEE80211_HT_CAP_GRN_FLD |
- IEEE80211_HT_CAP_SGI_40 |
- IEEE80211_HT_CAP_DSSSCCK40;
- sband->ht_cap.ampdu_factor = 0x3;
- sband->ht_cap.ampdu_density = 0x6;
- memset(&sband->ht_cap.mcs, 0,
- sizeof(sband->ht_cap.mcs));
- sband->ht_cap.mcs.rx_mask[0] = 0xff;
- sband->ht_cap.mcs.rx_mask[1] = 0xff;
- sband->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
-
- hw->wiphy->bands[band] = sband;
- }
- /* By default all radios are belonging to the first group */
- data->group = 1;
- mutex_init(&data->mutex);
+ const char *reg_alpha2 = NULL;
+ const struct ieee80211_regdomain *regd = NULL;
+ bool reg_strict = false;
- /* Work to be done prior to ieee80211_register_hw() */
switch (regtest) {
- case HWSIM_REGTEST_DISABLED:
- case HWSIM_REGTEST_DRIVER_REG_FOLLOW:
- case HWSIM_REGTEST_DRIVER_REG_ALL:
case HWSIM_REGTEST_DIFF_COUNTRY:
- /*
- * Nothing to be done for driver regulatory domain
- * hints prior to ieee80211_register_hw()
- */
- break;
- case HWSIM_REGTEST_WORLD_ROAM:
- if (i == 0) {
- hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY;
- wiphy_apply_custom_regulatory(hw->wiphy,
- &hwsim_world_regdom_custom_01);
- }
- break;
- case HWSIM_REGTEST_CUSTOM_WORLD:
- hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY;
- wiphy_apply_custom_regulatory(hw->wiphy,
- &hwsim_world_regdom_custom_01);
- break;
- case HWSIM_REGTEST_CUSTOM_WORLD_2:
- if (i == 0) {
- hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY;
- wiphy_apply_custom_regulatory(hw->wiphy,
- &hwsim_world_regdom_custom_01);
- } else if (i == 1) {
- hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY;
- wiphy_apply_custom_regulatory(hw->wiphy,
- &hwsim_world_regdom_custom_02);
- }
- break;
- case HWSIM_REGTEST_STRICT_ALL:
- hw->wiphy->flags |= WIPHY_FLAG_STRICT_REGULATORY;
- break;
- case HWSIM_REGTEST_STRICT_FOLLOW:
- case HWSIM_REGTEST_STRICT_AND_DRIVER_REG:
- if (i == 0)
- hw->wiphy->flags |= WIPHY_FLAG_STRICT_REGULATORY;
- break;
- case HWSIM_REGTEST_ALL:
- if (i == 0) {
- hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY;
- wiphy_apply_custom_regulatory(hw->wiphy,
- &hwsim_world_regdom_custom_01);
- } else if (i == 1) {
- hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY;
- wiphy_apply_custom_regulatory(hw->wiphy,
- &hwsim_world_regdom_custom_02);
- } else if (i == 4)
- hw->wiphy->flags |= WIPHY_FLAG_STRICT_REGULATORY;
- break;
- default:
- break;
- }
-
- /* give the regulatory workqueue a chance to run */
- if (regtest)
- schedule_timeout_interruptible(1);
- err = ieee80211_register_hw(hw);
- if (err < 0) {
- printk(KERN_DEBUG "mac80211_hwsim: "
- "ieee80211_register_hw failed (%d)\n", err);
- goto failed_hw;
- }
-
- /* Work to be done after to ieee80211_register_hw() */
- switch (regtest) {
- case HWSIM_REGTEST_WORLD_ROAM:
- case HWSIM_REGTEST_DISABLED:
+ if (i < ARRAY_SIZE(hwsim_alpha2s))
+ reg_alpha2 = hwsim_alpha2s[i];
break;
case HWSIM_REGTEST_DRIVER_REG_FOLLOW:
if (!i)
- regulatory_hint(hw->wiphy, hwsim_alpha2s[0]);
+ reg_alpha2 = hwsim_alpha2s[0];
break;
- case HWSIM_REGTEST_DRIVER_REG_ALL:
case HWSIM_REGTEST_STRICT_ALL:
- regulatory_hint(hw->wiphy, hwsim_alpha2s[0]);
+ reg_strict = true;
+ case HWSIM_REGTEST_DRIVER_REG_ALL:
+ reg_alpha2 = hwsim_alpha2s[0];
break;
- case HWSIM_REGTEST_DIFF_COUNTRY:
- if (i < ARRAY_SIZE(hwsim_alpha2s))
- regulatory_hint(hw->wiphy, hwsim_alpha2s[i]);
+ case HWSIM_REGTEST_WORLD_ROAM:
+ if (i == 0)
+ regd = &hwsim_world_regdom_custom_01;
break;
case HWSIM_REGTEST_CUSTOM_WORLD:
+ regd = &hwsim_world_regdom_custom_01;
+ break;
case HWSIM_REGTEST_CUSTOM_WORLD_2:
- /*
- * Nothing to be done for custom world regulatory
- * domains after to ieee80211_register_hw
- */
+ if (i == 0)
+ regd = &hwsim_world_regdom_custom_01;
+ else if (i == 1)
+ regd = &hwsim_world_regdom_custom_02;
break;
case HWSIM_REGTEST_STRICT_FOLLOW:
- if (i == 0)
- regulatory_hint(hw->wiphy, hwsim_alpha2s[0]);
+ if (i == 0) {
+ reg_strict = true;
+ reg_alpha2 = hwsim_alpha2s[0];
+ }
break;
case HWSIM_REGTEST_STRICT_AND_DRIVER_REG:
- if (i == 0)
- regulatory_hint(hw->wiphy, hwsim_alpha2s[0]);
- else if (i == 1)
- regulatory_hint(hw->wiphy, hwsim_alpha2s[1]);
+ if (i == 0) {
+ reg_strict = true;
+ reg_alpha2 = hwsim_alpha2s[0];
+ } else if (i == 1) {
+ reg_alpha2 = hwsim_alpha2s[1];
+ }
break;
case HWSIM_REGTEST_ALL:
- if (i == 2)
- regulatory_hint(hw->wiphy, hwsim_alpha2s[0]);
- else if (i == 3)
- regulatory_hint(hw->wiphy, hwsim_alpha2s[1]);
- else if (i == 4)
- regulatory_hint(hw->wiphy, hwsim_alpha2s[2]);
+ switch (i) {
+ case 0:
+ regd = &hwsim_world_regdom_custom_01;
+ break;
+ case 1:
+ regd = &hwsim_world_regdom_custom_02;
+ break;
+ case 2:
+ reg_alpha2 = hwsim_alpha2s[0];
+ break;
+ case 3:
+ reg_alpha2 = hwsim_alpha2s[1];
+ break;
+ case 4:
+ reg_strict = true;
+ reg_alpha2 = hwsim_alpha2s[2];
+ break;
+ }
break;
default:
break;
}
- wiphy_debug(hw->wiphy, "hwaddr %pm registered\n",
- 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);
- data->debugfs_group = debugfs_create_file("group", 0666,
- data->debugfs, data,
- &hwsim_fops_group);
-
- setup_timer(&data->beacon_timer, mac80211_hwsim_beacon,
- (unsigned long) hw);
-
- list_add_tail(&data->list, &hwsim_radios);
+ err = mac80211_hwsim_create_radio(channels, reg_alpha2,
+ regd, reg_strict,
+ support_p2p_device,
+ channels > 1);
+ if (err < 0)
+ goto out_free_radios;
}
hwsim_mon = alloc_netdev(0, "hwsim%d", hwsim_mon_setup);
- if (hwsim_mon == NULL)
- goto failed;
+ if (hwsim_mon == NULL) {
+ err = -ENOMEM;
+ goto out_free_radios;
+ }
rtnl_lock();
-
err = dev_alloc_name(hwsim_mon, hwsim_mon->name);
- if (err < 0)
- goto failed_mon;
-
+ if (err < 0) {
+ rtnl_unlock();
+ goto out_free_radios;
+ }
err = register_netdevice(hwsim_mon);
- if (err < 0)
- goto failed_mon;
-
+ if (err < 0) {
+ rtnl_unlock();
+ goto out_free_mon;
+ }
rtnl_unlock();
+ err = hwsim_init_netlink();
+ if (err < 0)
+ goto out_free_mon;
+
return 0;
-failed_mon:
- rtnl_unlock();
+out_free_mon:
free_netdev(hwsim_mon);
+out_free_radios:
mac80211_hwsim_free();
- return err;
-
-failed_hw:
- device_unregister(data->dev);
-failed_drvdata:
- ieee80211_free_hw(hw);
-failed:
- mac80211_hwsim_free();
+out_unregister_driver:
+ platform_driver_unregister(&mac80211_hwsim_driver);
return err;
}
-
+module_init(init_mac80211_hwsim);
static void __exit exit_mac80211_hwsim(void)
{
printk(KERN_DEBUG "mac80211_hwsim: unregister radios\n");
+ hwsim_exit_netlink();
+
mac80211_hwsim_free();
unregister_netdev(hwsim_mon);
+ platform_driver_unregister(&mac80211_hwsim_driver);
}
-
-
-module_init(init_mac80211_hwsim);
module_exit(exit_mac80211_hwsim);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-04 19:30:12 +0000