aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorJohannes Berg <johannes.berg@intel.com>2014-01-06 17:12:12 -0500
committerJohannes Berg <johannes.berg@intel.com>2014-01-10 14:12:58 -0500
commitde0421d53bfb5f7783e5228f8cf49f2ae7140d54 (patch)
treed0390a69f5cb622845f4313b8db5ada782919db0
parent9ddd12af103f60fc284103740c07219d888d1aee (diff)
mac80211_hwsim: shuffle code to prepare for dynamic radios
This will make the next patch, adding support for netlink, smaller and more readable. The code is not modified here. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat
-rw-r--r--drivers/net/wireless/mac80211_hwsim.c826
1 files changed, 413 insertions, 413 deletions
diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index ca156a5ed305..1c51c33c385f 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -215,10 +215,53 @@ static const struct ieee80211_rate hwsim_rates[] = {
215 { .bitrate = 540 } 215 { .bitrate = 540 }
216}; 216};
217 217
218static const struct ieee80211_iface_limit hwsim_if_limits[] = {
219 { .max = 1, .types = BIT(NL80211_IFTYPE_ADHOC) },
220 { .max = 2048, .types = BIT(NL80211_IFTYPE_STATION) |
221 BIT(NL80211_IFTYPE_P2P_CLIENT) |
222#ifdef CONFIG_MAC80211_MESH
223 BIT(NL80211_IFTYPE_MESH_POINT) |
224#endif
225 BIT(NL80211_IFTYPE_AP) |
226 BIT(NL80211_IFTYPE_P2P_GO) },
227 { .max = 1, .types = BIT(NL80211_IFTYPE_P2P_DEVICE) },
228};
229
230static const struct ieee80211_iface_limit hwsim_if_dfs_limits[] = {
231 { .max = 8, .types = BIT(NL80211_IFTYPE_AP) },
232};
233
234static const struct ieee80211_iface_combination hwsim_if_comb[] = {
235 {
236 .limits = hwsim_if_limits,
237 .n_limits = ARRAY_SIZE(hwsim_if_limits),
238 .max_interfaces = 2048,
239 .num_different_channels = 1,
240 },
241 {
242 .limits = hwsim_if_dfs_limits,
243 .n_limits = ARRAY_SIZE(hwsim_if_dfs_limits),
244 .max_interfaces = 8,
245 .num_different_channels = 1,
246 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
247 BIT(NL80211_CHAN_WIDTH_20) |
248 BIT(NL80211_CHAN_WIDTH_40) |
249 BIT(NL80211_CHAN_WIDTH_80) |
250 BIT(NL80211_CHAN_WIDTH_160),
251 }
252};
253
218static spinlock_t hwsim_radio_lock; 254static spinlock_t hwsim_radio_lock;
219static struct list_head hwsim_radios; 255static struct list_head hwsim_radios;
220static int hwsim_radio_idx; 256static int hwsim_radio_idx;
221 257
258static struct platform_driver mac80211_hwsim_driver = {
259 .driver = {
260 .name = "mac80211_hwsim",
261 .owner = THIS_MODULE,
262 },
263};
264
222struct mac80211_hwsim_data { 265struct mac80211_hwsim_data {
223 struct list_head list; 266 struct list_head list;
224 struct ieee80211_hw *hw; 267 struct ieee80211_hw *hw;
@@ -311,6 +354,161 @@ static struct nla_policy hwsim_genl_policy[HWSIM_ATTR_MAX + 1] = {
311 [HWSIM_ATTR_COOKIE] = { .type = NLA_U64 }, 354 [HWSIM_ATTR_COOKIE] = { .type = NLA_U64 },
312}; 355};
313 356
357static void mac80211_hwsim_tx_frame(struct ieee80211_hw *hw,
358 struct sk_buff *skb,
359 struct ieee80211_channel *chan);
360
361/* sysfs attributes */
362static void hwsim_send_ps_poll(void *dat, u8 *mac, struct ieee80211_vif *vif)
363{
364 struct mac80211_hwsim_data *data = dat;
365 struct hwsim_vif_priv *vp = (void *)vif->drv_priv;
366 struct sk_buff *skb;
367 struct ieee80211_pspoll *pspoll;
368
369 if (!vp->assoc)
370 return;
371
372 wiphy_debug(data->hw->wiphy,
373 "%s: send PS-Poll to %pM for aid %d\n",
374 __func__, vp->bssid, vp->aid);
375
376 skb = dev_alloc_skb(sizeof(*pspoll));
377 if (!skb)
378 return;
379 pspoll = (void *) skb_put(skb, sizeof(*pspoll));
380 pspoll->frame_control = cpu_to_le16(IEEE80211_FTYPE_CTL |
381 IEEE80211_STYPE_PSPOLL |
382 IEEE80211_FCTL_PM);
383 pspoll->aid = cpu_to_le16(0xc000 | vp->aid);
384 memcpy(pspoll->bssid, vp->bssid, ETH_ALEN);
385 memcpy(pspoll->ta, mac, ETH_ALEN);
386
387 rcu_read_lock();
388 mac80211_hwsim_tx_frame(data->hw, skb,
389 rcu_dereference(vif->chanctx_conf)->def.chan);
390 rcu_read_unlock();
391}
392
393static void hwsim_send_nullfunc(struct mac80211_hwsim_data *data, u8 *mac,
394 struct ieee80211_vif *vif, int ps)
395{
396 struct hwsim_vif_priv *vp = (void *)vif->drv_priv;
397 struct sk_buff *skb;
398 struct ieee80211_hdr *hdr;
399
400 if (!vp->assoc)
401 return;
402
403 wiphy_debug(data->hw->wiphy,
404 "%s: send data::nullfunc to %pM ps=%d\n",
405 __func__, vp->bssid, ps);
406
407 skb = dev_alloc_skb(sizeof(*hdr));
408 if (!skb)
409 return;
410 hdr = (void *) skb_put(skb, sizeof(*hdr) - ETH_ALEN);
411 hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA |
412 IEEE80211_STYPE_NULLFUNC |
413 (ps ? IEEE80211_FCTL_PM : 0));
414 hdr->duration_id = cpu_to_le16(0);
415 memcpy(hdr->addr1, vp->bssid, ETH_ALEN);
416 memcpy(hdr->addr2, mac, ETH_ALEN);
417 memcpy(hdr->addr3, vp->bssid, ETH_ALEN);
418
419 rcu_read_lock();
420 mac80211_hwsim_tx_frame(data->hw, skb,
421 rcu_dereference(vif->chanctx_conf)->def.chan);
422 rcu_read_unlock();
423}
424
425
426static void hwsim_send_nullfunc_ps(void *dat, u8 *mac,
427 struct ieee80211_vif *vif)
428{
429 struct mac80211_hwsim_data *data = dat;
430 hwsim_send_nullfunc(data, mac, vif, 1);
431}
432
433static void hwsim_send_nullfunc_no_ps(void *dat, u8 *mac,
434 struct ieee80211_vif *vif)
435{
436 struct mac80211_hwsim_data *data = dat;
437 hwsim_send_nullfunc(data, mac, vif, 0);
438}
439
440static int hwsim_fops_ps_read(void *dat, u64 *val)
441{
442 struct mac80211_hwsim_data *data = dat;
443 *val = data->ps;
444 return 0;
445}
446
447static int hwsim_fops_ps_write(void *dat, u64 val)
448{
449 struct mac80211_hwsim_data *data = dat;
450 enum ps_mode old_ps;
451
452 if (val != PS_DISABLED && val != PS_ENABLED && val != PS_AUTO_POLL &&
453 val != PS_MANUAL_POLL)
454 return -EINVAL;
455
456 old_ps = data->ps;
457 data->ps = val;
458
459 if (val == PS_MANUAL_POLL) {
460 ieee80211_iterate_active_interfaces(data->hw,
461 IEEE80211_IFACE_ITER_NORMAL,
462 hwsim_send_ps_poll, data);
463 data->ps_poll_pending = true;
464 } else if (old_ps == PS_DISABLED && val != PS_DISABLED) {
465 ieee80211_iterate_active_interfaces(data->hw,
466 IEEE80211_IFACE_ITER_NORMAL,
467 hwsim_send_nullfunc_ps,
468 data);
469 } else if (old_ps != PS_DISABLED && val == PS_DISABLED) {
470 ieee80211_iterate_active_interfaces(data->hw,
471 IEEE80211_IFACE_ITER_NORMAL,
472 hwsim_send_nullfunc_no_ps,
473 data);
474 }
475
476 return 0;
477}
478
479DEFINE_SIMPLE_ATTRIBUTE(hwsim_fops_ps, hwsim_fops_ps_read, hwsim_fops_ps_write,
480 "%llu\n");
481
482static int hwsim_write_simulate_radar(void *dat, u64 val)
483{
484 struct mac80211_hwsim_data *data = dat;
485
486 ieee80211_radar_detected(data->hw);
487
488 return 0;
489}
490
491DEFINE_SIMPLE_ATTRIBUTE(hwsim_simulate_radar, NULL,
492 hwsim_write_simulate_radar, "%llu\n");
493
494static int hwsim_fops_group_read(void *dat, u64 *val)
495{
496 struct mac80211_hwsim_data *data = dat;
497 *val = data->group;
498 return 0;
499}
500
501static int hwsim_fops_group_write(void *dat, u64 val)
502{
503 struct mac80211_hwsim_data *data = dat;
504 data->group = val;
505 return 0;
506}
507
508DEFINE_SIMPLE_ATTRIBUTE(hwsim_fops_group,
509 hwsim_fops_group_read, hwsim_fops_group_write,
510 "%llx\n");
511
314static netdev_tx_t hwsim_mon_xmit(struct sk_buff *skb, 512static netdev_tx_t hwsim_mon_xmit(struct sk_buff *skb,
315 struct net_device *dev) 513 struct net_device *dev)
316{ 514{
@@ -1283,8 +1481,6 @@ static const struct nla_policy hwsim_testmode_policy[HWSIM_TM_ATTR_MAX + 1] = {
1283 [HWSIM_TM_ATTR_PS] = { .type = NLA_U32 }, 1481 [HWSIM_TM_ATTR_PS] = { .type = NLA_U32 },
1284}; 1482};
1285 1483
1286static int hwsim_fops_ps_write(void *dat, u64 val);
1287
1288static int mac80211_hwsim_testmode_cmd(struct ieee80211_hw *hw, 1484static int mac80211_hwsim_testmode_cmd(struct ieee80211_hw *hw,
1289 struct ieee80211_vif *vif, 1485 struct ieee80211_vif *vif,
1290 void *data, int len) 1486 void *data, int len)
@@ -1622,6 +1818,221 @@ static const struct ieee80211_ops mac80211_hwsim_ops = {
1622 1818
1623static struct ieee80211_ops mac80211_hwsim_mchan_ops; 1819static struct ieee80211_ops mac80211_hwsim_mchan_ops;
1624 1820
1821static int __init mac80211_hwsim_create_radio(void)
1822{
1823 int err;
1824 u8 addr[ETH_ALEN];
1825 struct mac80211_hwsim_data *data;
1826 struct ieee80211_hw *hw;
1827 enum ieee80211_band band;
1828 const struct ieee80211_ops *ops = &mac80211_hwsim_ops;
1829 int idx;
1830
1831 spin_lock_bh(&hwsim_radio_lock);
1832 idx = hwsim_radio_idx++;
1833 spin_unlock_bh(&hwsim_radio_lock);
1834
1835 if (channels > 1)
1836 ops = &mac80211_hwsim_mchan_ops;
1837 hw = ieee80211_alloc_hw(sizeof(*data), ops);
1838 if (!hw) {
1839 printk(KERN_DEBUG "mac80211_hwsim: ieee80211_alloc_hw failed\n");
1840 err = -ENOMEM;
1841 goto failed;
1842 }
1843 data = hw->priv;
1844 data->hw = hw;
1845
1846 data->dev = device_create(hwsim_class, NULL, 0, hw, "hwsim%d", idx);
1847 if (IS_ERR(data->dev)) {
1848 printk(KERN_DEBUG
1849 "mac80211_hwsim: device_create failed (%ld)\n",
1850 PTR_ERR(data->dev));
1851 err = -ENOMEM;
1852 goto failed_drvdata;
1853 }
1854 data->dev->driver = &mac80211_hwsim_driver.driver;
1855 err = device_bind_driver(data->dev);
1856 if (err != 0) {
1857 printk(KERN_DEBUG "mac80211_hwsim: device_bind_driver failed (%d)\n",
1858 err);
1859 goto failed_hw;
1860 }
1861
1862 skb_queue_head_init(&data->pending);
1863
1864 SET_IEEE80211_DEV(hw, data->dev);
1865 memset(addr, 0, ETH_ALEN);
1866 addr[0] = 0x02;
1867 addr[3] = idx >> 8;
1868 addr[4] = idx;
1869 memcpy(data->addresses[0].addr, addr, ETH_ALEN);
1870 memcpy(data->addresses[1].addr, addr, ETH_ALEN);
1871 data->addresses[1].addr[0] |= 0x40;
1872 hw->wiphy->n_addresses = 2;
1873 hw->wiphy->addresses = data->addresses;
1874
1875 data->channels = channels;
1876
1877 if (data->channels > 1) {
1878 hw->wiphy->max_scan_ssids = 255;
1879 hw->wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN;
1880 hw->wiphy->max_remain_on_channel_duration = 1000;
1881 /* For channels > 1 DFS is not allowed */
1882 hw->wiphy->n_iface_combinations = 1;
1883 hw->wiphy->iface_combinations = &data->if_combination;
1884 data->if_combination = hwsim_if_comb[0];
1885 data->if_combination.num_different_channels = data->channels;
1886 } else {
1887 hw->wiphy->iface_combinations = hwsim_if_comb;
1888 hw->wiphy->n_iface_combinations = ARRAY_SIZE(hwsim_if_comb);
1889 }
1890
1891 INIT_DELAYED_WORK(&data->roc_done, hw_roc_done);
1892 INIT_DELAYED_WORK(&data->hw_scan, hw_scan_work);
1893
1894 hw->queues = 5;
1895 hw->offchannel_tx_hw_queue = 4;
1896 hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
1897 BIT(NL80211_IFTYPE_AP) |
1898 BIT(NL80211_IFTYPE_P2P_CLIENT) |
1899 BIT(NL80211_IFTYPE_P2P_GO) |
1900 BIT(NL80211_IFTYPE_ADHOC) |
1901 BIT(NL80211_IFTYPE_MESH_POINT) |
1902 BIT(NL80211_IFTYPE_P2P_DEVICE);
1903
1904 hw->flags = IEEE80211_HW_MFP_CAPABLE |
1905 IEEE80211_HW_SIGNAL_DBM |
1906 IEEE80211_HW_SUPPORTS_STATIC_SMPS |
1907 IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS |
1908 IEEE80211_HW_AMPDU_AGGREGATION |
1909 IEEE80211_HW_WANT_MONITOR_VIF |
1910 IEEE80211_HW_QUEUE_CONTROL |
1911 IEEE80211_HW_SUPPORTS_HT_CCK_RATES;
1912 if (rctbl)
1913 hw->flags |= IEEE80211_HW_SUPPORTS_RC_TABLE;
1914
1915 hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS |
1916 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
1917 WIPHY_FLAG_AP_UAPSD;
1918 hw->wiphy->features |= NL80211_FEATURE_ACTIVE_MONITOR;
1919
1920 /* ask mac80211 to reserve space for magic */
1921 hw->vif_data_size = sizeof(struct hwsim_vif_priv);
1922 hw->sta_data_size = sizeof(struct hwsim_sta_priv);
1923 hw->chanctx_data_size = sizeof(struct hwsim_chanctx_priv);
1924
1925 memcpy(data->channels_2ghz, hwsim_channels_2ghz,
1926 sizeof(hwsim_channels_2ghz));
1927 memcpy(data->channels_5ghz, hwsim_channels_5ghz,
1928 sizeof(hwsim_channels_5ghz));
1929 memcpy(data->rates, hwsim_rates, sizeof(hwsim_rates));
1930
1931 for (band = IEEE80211_BAND_2GHZ; band < IEEE80211_NUM_BANDS; band++) {
1932 struct ieee80211_supported_band *sband = &data->bands[band];
1933 switch (band) {
1934 case IEEE80211_BAND_2GHZ:
1935 sband->channels = data->channels_2ghz;
1936 sband->n_channels = ARRAY_SIZE(hwsim_channels_2ghz);
1937 sband->bitrates = data->rates;
1938 sband->n_bitrates = ARRAY_SIZE(hwsim_rates);
1939 break;
1940 case IEEE80211_BAND_5GHZ:
1941 sband->channels = data->channels_5ghz;
1942 sband->n_channels = ARRAY_SIZE(hwsim_channels_5ghz);
1943 sband->bitrates = data->rates + 4;
1944 sband->n_bitrates = ARRAY_SIZE(hwsim_rates) - 4;
1945 break;
1946 default:
1947 continue;
1948 }
1949
1950 sband->ht_cap.ht_supported = true;
1951 sband->ht_cap.cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
1952 IEEE80211_HT_CAP_GRN_FLD |
1953 IEEE80211_HT_CAP_SGI_40 |
1954 IEEE80211_HT_CAP_DSSSCCK40;
1955 sband->ht_cap.ampdu_factor = 0x3;
1956 sband->ht_cap.ampdu_density = 0x6;
1957 memset(&sband->ht_cap.mcs, 0,
1958 sizeof(sband->ht_cap.mcs));
1959 sband->ht_cap.mcs.rx_mask[0] = 0xff;
1960 sband->ht_cap.mcs.rx_mask[1] = 0xff;
1961 sband->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
1962
1963 hw->wiphy->bands[band] = sband;
1964
1965 sband->vht_cap.vht_supported = true;
1966 sband->vht_cap.cap =
1967 IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 |
1968 IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ |
1969 IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ |
1970 IEEE80211_VHT_CAP_RXLDPC |
1971 IEEE80211_VHT_CAP_SHORT_GI_80 |
1972 IEEE80211_VHT_CAP_SHORT_GI_160 |
1973 IEEE80211_VHT_CAP_TXSTBC |
1974 IEEE80211_VHT_CAP_RXSTBC_1 |
1975 IEEE80211_VHT_CAP_RXSTBC_2 |
1976 IEEE80211_VHT_CAP_RXSTBC_3 |
1977 IEEE80211_VHT_CAP_RXSTBC_4 |
1978 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK;
1979 sband->vht_cap.vht_mcs.rx_mcs_map =
1980 cpu_to_le16(IEEE80211_VHT_MCS_SUPPORT_0_8 << 0 |
1981 IEEE80211_VHT_MCS_SUPPORT_0_8 << 2 |
1982 IEEE80211_VHT_MCS_SUPPORT_0_9 << 4 |
1983 IEEE80211_VHT_MCS_SUPPORT_0_8 << 6 |
1984 IEEE80211_VHT_MCS_SUPPORT_0_8 << 8 |
1985 IEEE80211_VHT_MCS_SUPPORT_0_9 << 10 |
1986 IEEE80211_VHT_MCS_SUPPORT_0_9 << 12 |
1987 IEEE80211_VHT_MCS_SUPPORT_0_8 << 14);
1988 sband->vht_cap.vht_mcs.tx_mcs_map =
1989 sband->vht_cap.vht_mcs.rx_mcs_map;
1990 }
1991
1992 /* By default all radios belong to the first group */
1993 data->group = 1;
1994 mutex_init(&data->mutex);
1995
1996 /* Enable frame retransmissions for lossy channels */
1997 hw->max_rates = 4;
1998 hw->max_rate_tries = 11;
1999
2000 err = ieee80211_register_hw(hw);
2001 if (err < 0) {
2002 printk(KERN_DEBUG "mac80211_hwsim: ieee80211_register_hw failed (%d)\n",
2003 err);
2004 goto failed_hw;
2005 }
2006
2007 wiphy_debug(hw->wiphy, "hwaddr %pM registered\n", hw->wiphy->perm_addr);
2008
2009 data->debugfs = debugfs_create_dir("hwsim", hw->wiphy->debugfsdir);
2010 debugfs_create_file("ps", 0666, data->debugfs, data, &hwsim_fops_ps);
2011 debugfs_create_file("group", 0666, data->debugfs, data,
2012 &hwsim_fops_group);
2013 if (data->channels == 1)
2014 debugfs_create_file("dfs_simulate_radar", 0222,
2015 data->debugfs,
2016 data, &hwsim_simulate_radar);
2017
2018 tasklet_hrtimer_init(&data->beacon_timer,
2019 mac80211_hwsim_beacon,
2020 CLOCK_MONOTONIC_RAW, HRTIMER_MODE_ABS);
2021
2022 spin_lock_bh(&hwsim_radio_lock);
2023 list_add_tail(&data->list, &hwsim_radios);
2024 spin_unlock_bh(&hwsim_radio_lock);
2025
2026 return 0;
2027
2028failed_hw:
2029 device_unregister(data->dev);
2030failed_drvdata:
2031 ieee80211_free_hw(hw);
2032failed:
2033 return err;
2034}
2035
1625static void mac80211_hwsim_destroy_radio(struct mac80211_hwsim_data *data) 2036static void mac80211_hwsim_destroy_radio(struct mac80211_hwsim_data *data)
1626{ 2037{
1627 debugfs_remove_recursive(data->debugfs); 2038 debugfs_remove_recursive(data->debugfs);
@@ -1648,13 +2059,6 @@ static void mac80211_hwsim_free(void)
1648 class_destroy(hwsim_class); 2059 class_destroy(hwsim_class);
1649} 2060}
1650 2061
1651static struct platform_driver mac80211_hwsim_driver = {
1652 .driver = {
1653 .name = "mac80211_hwsim",
1654 .owner = THIS_MODULE,
1655 },
1656};
1657
1658static const struct net_device_ops hwsim_netdev_ops = { 2062static const struct net_device_ops hwsim_netdev_ops = {
1659 .ndo_start_xmit = hwsim_mon_xmit, 2063 .ndo_start_xmit = hwsim_mon_xmit,
1660 .ndo_change_mtu = eth_change_mtu, 2064 .ndo_change_mtu = eth_change_mtu,
@@ -1673,159 +2077,6 @@ static void hwsim_mon_setup(struct net_device *dev)
1673 dev->dev_addr[0] = 0x12; 2077 dev->dev_addr[0] = 0x12;
1674} 2078}
1675 2079
1676
1677static void hwsim_send_ps_poll(void *dat, u8 *mac, struct ieee80211_vif *vif)
1678{
1679 struct mac80211_hwsim_data *data = dat;
1680 struct hwsim_vif_priv *vp = (void *)vif->drv_priv;
1681 struct sk_buff *skb;
1682 struct ieee80211_pspoll *pspoll;
1683
1684 if (!vp->assoc)
1685 return;
1686
1687 wiphy_debug(data->hw->wiphy,
1688 "%s: send PS-Poll to %pM for aid %d\n",
1689 __func__, vp->bssid, vp->aid);
1690
1691 skb = dev_alloc_skb(sizeof(*pspoll));
1692 if (!skb)
1693 return;
1694 pspoll = (void *) skb_put(skb, sizeof(*pspoll));
1695 pspoll->frame_control = cpu_to_le16(IEEE80211_FTYPE_CTL |
1696 IEEE80211_STYPE_PSPOLL |
1697 IEEE80211_FCTL_PM);
1698 pspoll->aid = cpu_to_le16(0xc000 | vp->aid);
1699 memcpy(pspoll->bssid, vp->bssid, ETH_ALEN);
1700 memcpy(pspoll->ta, mac, ETH_ALEN);
1701
1702 rcu_read_lock();
1703 mac80211_hwsim_tx_frame(data->hw, skb,
1704 rcu_dereference(vif->chanctx_conf)->def.chan);
1705 rcu_read_unlock();
1706}
1707
1708static void hwsim_send_nullfunc(struct mac80211_hwsim_data *data, u8 *mac,
1709 struct ieee80211_vif *vif, int ps)
1710{
1711 struct hwsim_vif_priv *vp = (void *)vif->drv_priv;
1712 struct sk_buff *skb;
1713 struct ieee80211_hdr *hdr;
1714
1715 if (!vp->assoc)
1716 return;
1717
1718 wiphy_debug(data->hw->wiphy,
1719 "%s: send data::nullfunc to %pM ps=%d\n",
1720 __func__, vp->bssid, ps);
1721
1722 skb = dev_alloc_skb(sizeof(*hdr));
1723 if (!skb)
1724 return;
1725 hdr = (void *) skb_put(skb, sizeof(*hdr) - ETH_ALEN);
1726 hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA |
1727 IEEE80211_STYPE_NULLFUNC |
1728 (ps ? IEEE80211_FCTL_PM : 0));
1729 hdr->duration_id = cpu_to_le16(0);
1730 memcpy(hdr->addr1, vp->bssid, ETH_ALEN);
1731 memcpy(hdr->addr2, mac, ETH_ALEN);
1732 memcpy(hdr->addr3, vp->bssid, ETH_ALEN);
1733
1734 rcu_read_lock();
1735 mac80211_hwsim_tx_frame(data->hw, skb,
1736 rcu_dereference(vif->chanctx_conf)->def.chan);
1737 rcu_read_unlock();
1738}
1739
1740
1741static void hwsim_send_nullfunc_ps(void *dat, u8 *mac,
1742 struct ieee80211_vif *vif)
1743{
1744 struct mac80211_hwsim_data *data = dat;
1745 hwsim_send_nullfunc(data, mac, vif, 1);
1746}
1747
1748
1749static void hwsim_send_nullfunc_no_ps(void *dat, u8 *mac,
1750 struct ieee80211_vif *vif)
1751{
1752 struct mac80211_hwsim_data *data = dat;
1753 hwsim_send_nullfunc(data, mac, vif, 0);
1754}
1755
1756
1757static int hwsim_fops_ps_read(void *dat, u64 *val)
1758{
1759 struct mac80211_hwsim_data *data = dat;
1760 *val = data->ps;
1761 return 0;
1762}
1763
1764static int hwsim_fops_ps_write(void *dat, u64 val)
1765{
1766 struct mac80211_hwsim_data *data = dat;
1767 enum ps_mode old_ps;
1768
1769 if (val != PS_DISABLED && val != PS_ENABLED && val != PS_AUTO_POLL &&
1770 val != PS_MANUAL_POLL)
1771 return -EINVAL;
1772
1773 old_ps = data->ps;
1774 data->ps = val;
1775
1776 if (val == PS_MANUAL_POLL) {
1777 ieee80211_iterate_active_interfaces(data->hw,
1778 IEEE80211_IFACE_ITER_NORMAL,
1779 hwsim_send_ps_poll, data);
1780 data->ps_poll_pending = true;
1781 } else if (old_ps == PS_DISABLED && val != PS_DISABLED) {
1782 ieee80211_iterate_active_interfaces(data->hw,
1783 IEEE80211_IFACE_ITER_NORMAL,
1784 hwsim_send_nullfunc_ps,
1785 data);
1786 } else if (old_ps != PS_DISABLED && val == PS_DISABLED) {
1787 ieee80211_iterate_active_interfaces(data->hw,
1788 IEEE80211_IFACE_ITER_NORMAL,
1789 hwsim_send_nullfunc_no_ps,
1790 data);
1791 }
1792
1793 return 0;
1794}
1795
1796DEFINE_SIMPLE_ATTRIBUTE(hwsim_fops_ps, hwsim_fops_ps_read, hwsim_fops_ps_write,
1797 "%llu\n");
1798
1799static int hwsim_write_simulate_radar(void *dat, u64 val)
1800{
1801 struct mac80211_hwsim_data *data = dat;
1802
1803 ieee80211_radar_detected(data->hw);
1804
1805 return 0;
1806}
1807
1808DEFINE_SIMPLE_ATTRIBUTE(hwsim_simulate_radar, NULL,
1809 hwsim_write_simulate_radar, "%llu\n");
1810
1811static int hwsim_fops_group_read(void *dat, u64 *val)
1812{
1813 struct mac80211_hwsim_data *data = dat;
1814 *val = data->group;
1815 return 0;
1816}
1817
1818static int hwsim_fops_group_write(void *dat, u64 val)
1819{
1820 struct mac80211_hwsim_data *data = dat;
1821 data->group = val;
1822 return 0;
1823}
1824
1825DEFINE_SIMPLE_ATTRIBUTE(hwsim_fops_group,
1826 hwsim_fops_group_read, hwsim_fops_group_write,
1827 "%llx\n");
1828
1829static struct mac80211_hwsim_data *get_hwsim_data_ref_from_addr(const u8 *addr) 2080static struct mac80211_hwsim_data *get_hwsim_data_ref_from_addr(const u8 *addr)
1830{ 2081{
1831 struct mac80211_hwsim_data *data; 2082 struct mac80211_hwsim_data *data;
@@ -2073,257 +2324,6 @@ static void hwsim_exit_netlink(void)
2073 genl_unregister_family(&hwsim_genl_family); 2324 genl_unregister_family(&hwsim_genl_family);
2074} 2325}
2075 2326
2076static const struct ieee80211_iface_limit hwsim_if_limits[] = {
2077 { .max = 1, .types = BIT(NL80211_IFTYPE_ADHOC) },
2078 { .max = 2048, .types = BIT(NL80211_IFTYPE_STATION) |
2079 BIT(NL80211_IFTYPE_P2P_CLIENT) |
2080#ifdef CONFIG_MAC80211_MESH
2081 BIT(NL80211_IFTYPE_MESH_POINT) |
2082#endif
2083 BIT(NL80211_IFTYPE_AP) |
2084 BIT(NL80211_IFTYPE_P2P_GO) },
2085 { .max = 1, .types = BIT(NL80211_IFTYPE_P2P_DEVICE) },
2086};
2087
2088static const struct ieee80211_iface_limit hwsim_if_dfs_limits[] = {
2089 { .max = 8, .types = BIT(NL80211_IFTYPE_AP) },
2090};
2091
2092static const struct ieee80211_iface_combination hwsim_if_comb[] = {
2093 {
2094 .limits = hwsim_if_limits,
2095 .n_limits = ARRAY_SIZE(hwsim_if_limits),
2096 .max_interfaces = 2048,
2097 .num_different_channels = 1,
2098 },
2099 {
2100 .limits = hwsim_if_dfs_limits,
2101 .n_limits = ARRAY_SIZE(hwsim_if_dfs_limits),
2102 .max_interfaces = 8,
2103 .num_different_channels = 1,
2104 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
2105 BIT(NL80211_CHAN_WIDTH_20) |
2106 BIT(NL80211_CHAN_WIDTH_40) |
2107 BIT(NL80211_CHAN_WIDTH_80) |
2108 BIT(NL80211_CHAN_WIDTH_160),
2109 }
2110};
2111
2112static int __init mac80211_hwsim_create_radio(void)
2113{
2114 int err;
2115 u8 addr[ETH_ALEN];
2116 struct mac80211_hwsim_data *data;
2117 struct ieee80211_hw *hw;
2118 enum ieee80211_band band;
2119 const struct ieee80211_ops *ops = &mac80211_hwsim_ops;
2120 int idx;
2121
2122 spin_lock_bh(&hwsim_radio_lock);
2123 idx = hwsim_radio_idx++;
2124 spin_unlock_bh(&hwsim_radio_lock);
2125
2126 if (channels > 1)
2127 ops = &mac80211_hwsim_mchan_ops;
2128 hw = ieee80211_alloc_hw(sizeof(*data), ops);
2129 if (!hw) {
2130 printk(KERN_DEBUG "mac80211_hwsim: ieee80211_alloc_hw failed\n");
2131 err = -ENOMEM;
2132 goto failed;
2133 }
2134 data = hw->priv;
2135 data->hw = hw;
2136
2137 data->dev = device_create(hwsim_class, NULL, 0, hw, "hwsim%d", idx);
2138 if (IS_ERR(data->dev)) {
2139 printk(KERN_DEBUG
2140 "mac80211_hwsim: device_create failed (%ld)\n",
2141 PTR_ERR(data->dev));
2142 err = -ENOMEM;
2143 goto failed_drvdata;
2144 }
2145 data->dev->driver = &mac80211_hwsim_driver.driver;
2146 err = device_bind_driver(data->dev);
2147 if (err != 0) {
2148 printk(KERN_DEBUG "mac80211_hwsim: device_bind_driver failed (%d)\n",
2149 err);
2150 goto failed_hw;
2151 }
2152
2153 skb_queue_head_init(&data->pending);
2154
2155 SET_IEEE80211_DEV(hw, data->dev);
2156 memset(addr, 0, ETH_ALEN);
2157 addr[0] = 0x02;
2158 addr[3] = idx >> 8;
2159 addr[4] = idx;
2160 memcpy(data->addresses[0].addr, addr, ETH_ALEN);
2161 memcpy(data->addresses[1].addr, addr, ETH_ALEN);
2162 data->addresses[1].addr[0] |= 0x40;
2163 hw->wiphy->n_addresses = 2;
2164 hw->wiphy->addresses = data->addresses;
2165
2166 data->channels = channels;
2167
2168 if (data->channels > 1) {
2169 hw->wiphy->max_scan_ssids = 255;
2170 hw->wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN;
2171 hw->wiphy->max_remain_on_channel_duration = 1000;
2172 /* For channels > 1 DFS is not allowed */
2173 hw->wiphy->n_iface_combinations = 1;
2174 hw->wiphy->iface_combinations = &data->if_combination;
2175 data->if_combination = hwsim_if_comb[0];
2176 data->if_combination.num_different_channels = data->channels;
2177 } else {
2178 hw->wiphy->iface_combinations = hwsim_if_comb;
2179 hw->wiphy->n_iface_combinations = ARRAY_SIZE(hwsim_if_comb);
2180 }
2181
2182 INIT_DELAYED_WORK(&data->roc_done, hw_roc_done);
2183 INIT_DELAYED_WORK(&data->hw_scan, hw_scan_work);
2184
2185 hw->queues = 5;
2186 hw->offchannel_tx_hw_queue = 4;
2187 hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
2188 BIT(NL80211_IFTYPE_AP) |
2189 BIT(NL80211_IFTYPE_P2P_CLIENT) |
2190 BIT(NL80211_IFTYPE_P2P_GO) |
2191 BIT(NL80211_IFTYPE_ADHOC) |
2192 BIT(NL80211_IFTYPE_MESH_POINT) |
2193 BIT(NL80211_IFTYPE_P2P_DEVICE);
2194
2195 hw->flags = IEEE80211_HW_MFP_CAPABLE |
2196 IEEE80211_HW_SIGNAL_DBM |
2197 IEEE80211_HW_SUPPORTS_STATIC_SMPS |
2198 IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS |
2199 IEEE80211_HW_AMPDU_AGGREGATION |
2200 IEEE80211_HW_WANT_MONITOR_VIF |
2201 IEEE80211_HW_QUEUE_CONTROL |
2202 IEEE80211_HW_SUPPORTS_HT_CCK_RATES;
2203 if (rctbl)
2204 hw->flags |= IEEE80211_HW_SUPPORTS_RC_TABLE;
2205
2206 hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS |
2207 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
2208 WIPHY_FLAG_AP_UAPSD;
2209 hw->wiphy->features |= NL80211_FEATURE_ACTIVE_MONITOR;
2210
2211 /* ask mac80211 to reserve space for magic */
2212 hw->vif_data_size = sizeof(struct hwsim_vif_priv);
2213 hw->sta_data_size = sizeof(struct hwsim_sta_priv);
2214 hw->chanctx_data_size = sizeof(struct hwsim_chanctx_priv);
2215
2216 memcpy(data->channels_2ghz, hwsim_channels_2ghz,
2217 sizeof(hwsim_channels_2ghz));
2218 memcpy(data->channels_5ghz, hwsim_channels_5ghz,
2219 sizeof(hwsim_channels_5ghz));
2220 memcpy(data->rates, hwsim_rates, sizeof(hwsim_rates));
2221
2222 for (band = IEEE80211_BAND_2GHZ; band < IEEE80211_NUM_BANDS; band++) {
2223 struct ieee80211_supported_band *sband = &data->bands[band];
2224 switch (band) {
2225 case IEEE80211_BAND_2GHZ:
2226 sband->channels = data->channels_2ghz;
2227 sband->n_channels = ARRAY_SIZE(hwsim_channels_2ghz);
2228 sband->bitrates = data->rates;
2229 sband->n_bitrates = ARRAY_SIZE(hwsim_rates);
2230 break;
2231 case IEEE80211_BAND_5GHZ:
2232 sband->channels = data->channels_5ghz;
2233 sband->n_channels = ARRAY_SIZE(hwsim_channels_5ghz);
2234 sband->bitrates = data->rates + 4;
2235 sband->n_bitrates = ARRAY_SIZE(hwsim_rates) - 4;
2236 break;
2237 default:
2238 continue;
2239 }
2240
2241 sband->ht_cap.ht_supported = true;
2242 sband->ht_cap.cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
2243 IEEE80211_HT_CAP_GRN_FLD |
2244 IEEE80211_HT_CAP_SGI_40 |
2245 IEEE80211_HT_CAP_DSSSCCK40;
2246 sband->ht_cap.ampdu_factor = 0x3;
2247 sband->ht_cap.ampdu_density = 0x6;
2248 memset(&sband->ht_cap.mcs, 0,
2249 sizeof(sband->ht_cap.mcs));
2250 sband->ht_cap.mcs.rx_mask[0] = 0xff;
2251 sband->ht_cap.mcs.rx_mask[1] = 0xff;
2252 sband->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
2253
2254 hw->wiphy->bands[band] = sband;
2255
2256 sband->vht_cap.vht_supported = true;
2257 sband->vht_cap.cap =
2258 IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 |
2259 IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ |
2260 IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ |
2261 IEEE80211_VHT_CAP_RXLDPC |
2262 IEEE80211_VHT_CAP_SHORT_GI_80 |
2263 IEEE80211_VHT_CAP_SHORT_GI_160 |
2264 IEEE80211_VHT_CAP_TXSTBC |
2265 IEEE80211_VHT_CAP_RXSTBC_1 |
2266 IEEE80211_VHT_CAP_RXSTBC_2 |
2267 IEEE80211_VHT_CAP_RXSTBC_3 |
2268 IEEE80211_VHT_CAP_RXSTBC_4 |
2269 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK;
2270 sband->vht_cap.vht_mcs.rx_mcs_map =
2271 cpu_to_le16(IEEE80211_VHT_MCS_SUPPORT_0_8 << 0 |
2272 IEEE80211_VHT_MCS_SUPPORT_0_8 << 2 |
2273 IEEE80211_VHT_MCS_SUPPORT_0_9 << 4 |
2274 IEEE80211_VHT_MCS_SUPPORT_0_8 << 6 |
2275 IEEE80211_VHT_MCS_SUPPORT_0_8 << 8 |
2276 IEEE80211_VHT_MCS_SUPPORT_0_9 << 10 |
2277 IEEE80211_VHT_MCS_SUPPORT_0_9 << 12 |
2278 IEEE80211_VHT_MCS_SUPPORT_0_8 << 14);
2279 sband->vht_cap.vht_mcs.tx_mcs_map =
2280 sband->vht_cap.vht_mcs.rx_mcs_map;
2281 }
2282
2283 /* By default all radios belong to the first group */
2284 data->group = 1;
2285 mutex_init(&data->mutex);
2286
2287 /* Enable frame retransmissions for lossy channels */
2288 hw->max_rates = 4;
2289 hw->max_rate_tries = 11;
2290
2291 err = ieee80211_register_hw(hw);
2292 if (err < 0) {
2293 printk(KERN_DEBUG "mac80211_hwsim: ieee80211_register_hw failed (%d)\n",
2294 err);
2295 goto failed_hw;
2296 }
2297
2298 wiphy_debug(hw->wiphy, "hwaddr %pM registered\n", hw->wiphy->perm_addr);
2299
2300 data->debugfs = debugfs_create_dir("hwsim", hw->wiphy->debugfsdir);
2301 debugfs_create_file("ps", 0666, data->debugfs, data, &hwsim_fops_ps);
2302 debugfs_create_file("group", 0666, data->debugfs, data,
2303 &hwsim_fops_group);
2304 if (data->channels == 1)
2305 debugfs_create_file("dfs_simulate_radar", 0222,
2306 data->debugfs,
2307 data, &hwsim_simulate_radar);
2308
2309 tasklet_hrtimer_init(&data->beacon_timer,
2310 mac80211_hwsim_beacon,
2311 CLOCK_MONOTONIC_RAW, HRTIMER_MODE_ABS);
2312
2313 spin_lock_bh(&hwsim_radio_lock);
2314 list_add_tail(&data->list, &hwsim_radios);
2315 spin_unlock_bh(&hwsim_radio_lock);
2316
2317 return 0;
2318
2319failed_hw:
2320 device_unregister(data->dev);
2321failed_drvdata:
2322 ieee80211_free_hw(hw);
2323failed:
2324 return err;
2325}
2326
2327static int __init init_mac80211_hwsim(void) 2327static int __init init_mac80211_hwsim(void)
2328{ 2328{
2329 int i, err; 2329 int i, err;
generated by cgit v1.2.2 (git 2.25.0) at 2026-03-10 12:54:58 -0400