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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.c660
1 files changed, 575 insertions, 85 deletions
diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index c9ad4cf1adfb..a71b9d5e353d 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -412,6 +412,11 @@ struct mac80211_hwsim_data {
struct mac_address addresses[2];
int channels, idx;
bool use_chanctx;
+ bool destroy_on_close;
+ struct work_struct destroy_work;
+ u32 portid;
+ char alpha2[2];
+ const struct ieee80211_regdomain *regd;
struct ieee80211_channel *tmp_chan;
struct delayed_work roc_done;
@@ -419,6 +424,7 @@ struct mac80211_hwsim_data {
struct cfg80211_scan_request *hw_scan_request;
struct ieee80211_vif *hw_scan_vif;
int scan_chan_idx;
+ u8 scan_addr[ETH_ALEN];
struct ieee80211_channel *channel;
u64 beacon_int /* beacon interval in us */;
@@ -436,7 +442,7 @@ struct mac80211_hwsim_data {
/*
* 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.
+ * radio can be in more than one group.
*/
u64 group;
@@ -447,6 +453,14 @@ struct mac80211_hwsim_data {
s64 bcn_delta;
/* absolute beacon transmission time. Used to cover up "tx" delay. */
u64 abs_bcn_ts;
+
+ /* Stats */
+ u64 tx_pkts;
+ u64 rx_pkts;
+ u64 tx_bytes;
+ u64 rx_bytes;
+ u64 tx_dropped;
+ u64 tx_failed;
};
@@ -476,6 +490,14 @@ static struct genl_family hwsim_genl_family = {
.maxattr = HWSIM_ATTR_MAX,
};
+enum hwsim_multicast_groups {
+ HWSIM_MCGRP_CONFIG,
+};
+
+static const struct genl_multicast_group hwsim_mcgrps[] = {
+ [HWSIM_MCGRP_CONFIG] = { .name = "config", },
+};
+
/* MAC80211_HWSIM netlink policy */
static const struct nla_policy hwsim_genl_policy[HWSIM_ATTR_MAX + 1] = {
@@ -496,6 +518,10 @@ static const struct nla_policy hwsim_genl_policy[HWSIM_ATTR_MAX + 1] = {
[HWSIM_ATTR_REG_CUSTOM_REG] = { .type = NLA_U32 },
[HWSIM_ATTR_REG_STRICT_REG] = { .type = NLA_FLAG },
[HWSIM_ATTR_SUPPORT_P2P_DEVICE] = { .type = NLA_FLAG },
+ [HWSIM_ATTR_DESTROY_RADIO_ON_CLOSE] = { .type = NLA_FLAG },
+ [HWSIM_ATTR_RADIO_NAME] = { .type = NLA_STRING },
+ [HWSIM_ATTR_NO_VIF] = { .type = NLA_FLAG },
+ [HWSIM_ATTR_FREQ] = { .type = NLA_U32 },
};
static void mac80211_hwsim_tx_frame(struct ieee80211_hw *hw,
@@ -807,6 +833,9 @@ static bool mac80211_hwsim_addr_match(struct mac80211_hwsim_data *data,
.ret = false,
};
+ if (data->scanning && memcmp(addr, data->scan_addr, ETH_ALEN) == 0)
+ return true;
+
memcpy(md.addr, addr, ETH_ALEN);
ieee80211_iterate_active_interfaces_atomic(data->hw,
@@ -861,8 +890,10 @@ static void mac80211_hwsim_tx_frame_nl(struct ieee80211_hw *hw,
/* 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);
+ while (skb_queue_len(&data->pending) >= WARN_QUEUE) {
+ ieee80211_free_txskb(hw, skb_dequeue(&data->pending));
+ data->tx_dropped++;
+ }
}
skb = genlmsg_new(GENLMSG_DEFAULT_SIZE, GFP_ATOMIC);
@@ -896,6 +927,9 @@ static void mac80211_hwsim_tx_frame_nl(struct ieee80211_hw *hw,
if (nla_put_u32(skb, HWSIM_ATTR_FLAGS, hwsim_flags))
goto nla_put_failure;
+ if (nla_put_u32(skb, HWSIM_ATTR_FREQ, data->channel->center_freq))
+ goto nla_put_failure;
+
/* We get the tx control (rate and retries) info*/
for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) {
@@ -917,10 +951,14 @@ static void mac80211_hwsim_tx_frame_nl(struct ieee80211_hw *hw,
/* Enqueue the packet */
skb_queue_tail(&data->pending, my_skb);
+ data->tx_pkts++;
+ data->tx_bytes += my_skb->len;
return;
nla_put_failure:
printk(KERN_DEBUG "mac80211_hwsim: error occurred in %s\n", __func__);
+ ieee80211_free_txskb(hw, my_skb);
+ data->tx_failed++;
}
static bool hwsim_chans_compat(struct ieee80211_channel *c1,
@@ -952,6 +990,53 @@ static void mac80211_hwsim_tx_iter(void *_data, u8 *addr,
data->receive = true;
}
+static void mac80211_hwsim_add_vendor_rtap(struct sk_buff *skb)
+{
+ /*
+ * To enable this code, #define the HWSIM_RADIOTAP_OUI,
+ * e.g. like this:
+ * #define HWSIM_RADIOTAP_OUI "\x02\x00\x00"
+ * (but you should use a valid OUI, not that)
+ *
+ * If anyone wants to 'donate' a radiotap OUI/subns code
+ * please send a patch removing this #ifdef and changing
+ * the values accordingly.
+ */
+#ifdef HWSIM_RADIOTAP_OUI
+ struct ieee80211_vendor_radiotap *rtap;
+
+ /*
+ * Note that this code requires the headroom in the SKB
+ * that was allocated earlier.
+ */
+ rtap = (void *)skb_push(skb, sizeof(*rtap) + 8 + 4);
+ rtap->oui[0] = HWSIM_RADIOTAP_OUI[0];
+ rtap->oui[1] = HWSIM_RADIOTAP_OUI[1];
+ rtap->oui[2] = HWSIM_RADIOTAP_OUI[2];
+ rtap->subns = 127;
+
+ /*
+ * Radiotap vendor namespaces can (and should) also be
+ * split into fields by using the standard radiotap
+ * presence bitmap mechanism. Use just BIT(0) here for
+ * the presence bitmap.
+ */
+ rtap->present = BIT(0);
+ /* We have 8 bytes of (dummy) data */
+ rtap->len = 8;
+ /* For testing, also require it to be aligned */
+ rtap->align = 8;
+ /* And also test that padding works, 4 bytes */
+ rtap->pad = 4;
+ /* push the data */
+ memcpy(rtap->data, "ABCDEFGH", 8);
+ /* make sure to clear padding, mac80211 doesn't */
+ memset(rtap->data + 8, 0, 4);
+
+ IEEE80211_SKB_RXCB(skb)->flag |= RX_FLAG_RADIOTAP_VENDOR_DATA;
+#endif
+}
+
static bool mac80211_hwsim_tx_frame_no_nl(struct ieee80211_hw *hw,
struct sk_buff *skb,
struct ieee80211_channel *chan)
@@ -1066,6 +1151,11 @@ static bool mac80211_hwsim_tx_frame_no_nl(struct ieee80211_hw *hw,
rx_status.mactime = now + data2->tsf_offset;
memcpy(IEEE80211_SKB_RXCB(nskb), &rx_status, sizeof(rx_status));
+
+ mac80211_hwsim_add_vendor_rtap(nskb);
+
+ data2->rx_pkts++;
+ data2->rx_bytes += nskb->len;
ieee80211_rx_irqsafe(data2->hw, nskb);
}
spin_unlock(&hwsim_radio_lock);
@@ -1133,6 +1223,8 @@ static void mac80211_hwsim_tx(struct ieee80211_hw *hw,
return mac80211_hwsim_tx_frame_nl(hw, skb, _portid);
/* NO wmediumd detected, perfect medium simulation */
+ data->tx_pkts++;
+ data->tx_bytes += skb->len;
ack = mac80211_hwsim_tx_frame_no_nl(hw, skb, channel);
if (ack && skb->len >= 16) {
@@ -1716,7 +1808,7 @@ static void hw_scan_work(struct work_struct *work)
struct sk_buff *probe;
probe = ieee80211_probereq_get(hwsim->hw,
- hwsim->hw_scan_vif,
+ hwsim->scan_addr,
req->ssids[i].ssid,
req->ssids[i].ssid_len,
req->ie_len);
@@ -1754,6 +1846,12 @@ static int mac80211_hwsim_hw_scan(struct ieee80211_hw *hw,
hwsim->hw_scan_request = req;
hwsim->hw_scan_vif = vif;
hwsim->scan_chan_idx = 0;
+ if (req->flags & NL80211_SCAN_FLAG_RANDOM_ADDR)
+ get_random_mask_addr(hwsim->scan_addr,
+ hw_req->req.mac_addr,
+ hw_req->req.mac_addr_mask);
+ else
+ memcpy(hwsim->scan_addr, vif->addr, ETH_ALEN);
mutex_unlock(&hwsim->mutex);
wiphy_debug(hw->wiphy, "hwsim hw_scan request\n");
@@ -1780,7 +1878,9 @@ static void mac80211_hwsim_cancel_hw_scan(struct ieee80211_hw *hw,
mutex_unlock(&hwsim->mutex);
}
-static void mac80211_hwsim_sw_scan(struct ieee80211_hw *hw)
+static void mac80211_hwsim_sw_scan(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ const u8 *mac_addr)
{
struct mac80211_hwsim_data *hwsim = hw->priv;
@@ -1792,13 +1892,16 @@ static void mac80211_hwsim_sw_scan(struct ieee80211_hw *hw)
}
printk(KERN_DEBUG "hwsim sw_scan request, prepping stuff\n");
+
+ memcpy(hwsim->scan_addr, mac_addr, ETH_ALEN);
hwsim->scanning = true;
out:
mutex_unlock(&hwsim->mutex);
}
-static void mac80211_hwsim_sw_scan_complete(struct ieee80211_hw *hw)
+static void mac80211_hwsim_sw_scan_complete(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif)
{
struct mac80211_hwsim_data *hwsim = hw->priv;
@@ -1806,6 +1909,7 @@ static void mac80211_hwsim_sw_scan_complete(struct ieee80211_hw *hw)
printk(KERN_DEBUG "hwsim sw_scan_complete\n");
hwsim->scanning = false;
+ memset(hwsim->scan_addr, 0, ETH_ALEN);
mutex_unlock(&hwsim->mutex);
}
@@ -1916,6 +2020,57 @@ static void mac80211_hwsim_unassign_vif_chanctx(struct ieee80211_hw *hw,
hwsim_check_chanctx_magic(ctx);
}
+static const char mac80211_hwsim_gstrings_stats[][ETH_GSTRING_LEN] = {
+ "tx_pkts_nic",
+ "tx_bytes_nic",
+ "rx_pkts_nic",
+ "rx_bytes_nic",
+ "d_tx_dropped",
+ "d_tx_failed",
+ "d_ps_mode",
+ "d_group",
+ "d_tx_power",
+};
+
+#define MAC80211_HWSIM_SSTATS_LEN ARRAY_SIZE(mac80211_hwsim_gstrings_stats)
+
+static void mac80211_hwsim_get_et_strings(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ u32 sset, u8 *data)
+{
+ if (sset == ETH_SS_STATS)
+ memcpy(data, *mac80211_hwsim_gstrings_stats,
+ sizeof(mac80211_hwsim_gstrings_stats));
+}
+
+static int mac80211_hwsim_get_et_sset_count(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif, int sset)
+{
+ if (sset == ETH_SS_STATS)
+ return MAC80211_HWSIM_SSTATS_LEN;
+ return 0;
+}
+
+static void mac80211_hwsim_get_et_stats(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ethtool_stats *stats, u64 *data)
+{
+ struct mac80211_hwsim_data *ar = hw->priv;
+ int i = 0;
+
+ data[i++] = ar->tx_pkts;
+ data[i++] = ar->tx_bytes;
+ data[i++] = ar->rx_pkts;
+ data[i++] = ar->rx_bytes;
+ data[i++] = ar->tx_dropped;
+ data[i++] = ar->tx_failed;
+ data[i++] = ar->ps;
+ data[i++] = ar->group;
+ data[i++] = ar->power_level;
+
+ WARN_ON(i != MAC80211_HWSIM_SSTATS_LEN);
+}
+
static const struct ieee80211_ops mac80211_hwsim_ops = {
.tx = mac80211_hwsim_tx,
.start = mac80211_hwsim_start,
@@ -1939,14 +2094,131 @@ static const struct ieee80211_ops mac80211_hwsim_ops = {
.flush = mac80211_hwsim_flush,
.get_tsf = mac80211_hwsim_get_tsf,
.set_tsf = mac80211_hwsim_set_tsf,
+ .get_et_sset_count = mac80211_hwsim_get_et_sset_count,
+ .get_et_stats = mac80211_hwsim_get_et_stats,
+ .get_et_strings = mac80211_hwsim_get_et_strings,
};
static struct ieee80211_ops mac80211_hwsim_mchan_ops;
-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 hwsim_new_radio_params {
+ unsigned int channels;
+ const char *reg_alpha2;
+ const struct ieee80211_regdomain *regd;
+ bool reg_strict;
+ bool p2p_device;
+ bool use_chanctx;
+ bool destroy_on_close;
+ const char *hwname;
+ bool no_vif;
+};
+
+static void hwsim_mcast_config_msg(struct sk_buff *mcast_skb,
+ struct genl_info *info)
+{
+ if (info)
+ genl_notify(&hwsim_genl_family, mcast_skb,
+ genl_info_net(info), info->snd_portid,
+ HWSIM_MCGRP_CONFIG, info->nlhdr, GFP_KERNEL);
+ else
+ genlmsg_multicast(&hwsim_genl_family, mcast_skb, 0,
+ HWSIM_MCGRP_CONFIG, GFP_KERNEL);
+}
+
+static int append_radio_msg(struct sk_buff *skb, int id,
+ struct hwsim_new_radio_params *param)
+{
+ int ret;
+
+ ret = nla_put_u32(skb, HWSIM_ATTR_RADIO_ID, id);
+ if (ret < 0)
+ return ret;
+
+ if (param->channels) {
+ ret = nla_put_u32(skb, HWSIM_ATTR_CHANNELS, param->channels);
+ if (ret < 0)
+ return ret;
+ }
+
+ if (param->reg_alpha2) {
+ ret = nla_put(skb, HWSIM_ATTR_REG_HINT_ALPHA2, 2,
+ param->reg_alpha2);
+ if (ret < 0)
+ return ret;
+ }
+
+ if (param->regd) {
+ int i;
+
+ for (i = 0; hwsim_world_regdom_custom[i] != param->regd &&
+ i < ARRAY_SIZE(hwsim_world_regdom_custom); i++)
+ ;
+
+ if (i < ARRAY_SIZE(hwsim_world_regdom_custom)) {
+ ret = nla_put_u32(skb, HWSIM_ATTR_REG_CUSTOM_REG, i);
+ if (ret < 0)
+ return ret;
+ }
+ }
+
+ if (param->reg_strict) {
+ ret = nla_put_flag(skb, HWSIM_ATTR_REG_STRICT_REG);
+ if (ret < 0)
+ return ret;
+ }
+
+ if (param->p2p_device) {
+ ret = nla_put_flag(skb, HWSIM_ATTR_SUPPORT_P2P_DEVICE);
+ if (ret < 0)
+ return ret;
+ }
+
+ if (param->use_chanctx) {
+ ret = nla_put_flag(skb, HWSIM_ATTR_USE_CHANCTX);
+ if (ret < 0)
+ return ret;
+ }
+
+ if (param->hwname) {
+ ret = nla_put(skb, HWSIM_ATTR_RADIO_NAME,
+ strlen(param->hwname), param->hwname);
+ if (ret < 0)
+ return ret;
+ }
+
+ return 0;
+}
+
+static void hwsim_mcast_new_radio(int id, struct genl_info *info,
+ struct hwsim_new_radio_params *param)
+{
+ struct sk_buff *mcast_skb;
+ void *data;
+
+ mcast_skb = genlmsg_new(GENLMSG_DEFAULT_SIZE, GFP_KERNEL);
+ if (!mcast_skb)
+ return;
+
+ data = genlmsg_put(mcast_skb, 0, 0, &hwsim_genl_family, 0,
+ HWSIM_CMD_NEW_RADIO);
+ if (!data)
+ goto out_err;
+
+ if (append_radio_msg(mcast_skb, id, param) < 0)
+ goto out_err;
+
+ genlmsg_end(mcast_skb, data);
+
+ hwsim_mcast_config_msg(mcast_skb, info);
+ return;
+
+out_err:
+ genlmsg_cancel(mcast_skb, data);
+ nlmsg_free(mcast_skb);
+}
+
+static int mac80211_hwsim_new_radio(struct genl_info *info,
+ struct hwsim_new_radio_params *param)
{
int err;
u8 addr[ETH_ALEN];
@@ -1956,16 +2228,16 @@ static int mac80211_hwsim_create_radio(int channels, const char *reg_alpha2,
const struct ieee80211_ops *ops = &mac80211_hwsim_ops;
int idx;
- if (WARN_ON(channels > 1 && !use_chanctx))
+ if (WARN_ON(param->channels > 1 && !param->use_chanctx))
return -EINVAL;
spin_lock_bh(&hwsim_radio_lock);
idx = hwsim_radio_idx++;
spin_unlock_bh(&hwsim_radio_lock);
- if (use_chanctx)
+ if (param->use_chanctx)
ops = &mac80211_hwsim_mchan_ops;
- hw = ieee80211_alloc_hw(sizeof(*data), ops);
+ hw = ieee80211_alloc_hw_nm(sizeof(*data), ops, param->hwname);
if (!hw) {
printk(KERN_DEBUG "mac80211_hwsim: ieee80211_alloc_hw failed\n");
err = -ENOMEM;
@@ -2003,9 +2275,12 @@ static int mac80211_hwsim_create_radio(int channels, const char *reg_alpha2,
hw->wiphy->n_addresses = 2;
hw->wiphy->addresses = data->addresses;
- data->channels = channels;
- data->use_chanctx = use_chanctx;
+ data->channels = param->channels;
+ data->use_chanctx = param->use_chanctx;
data->idx = idx;
+ data->destroy_on_close = param->destroy_on_close;
+ if (info)
+ data->portid = info->snd_portid;
if (data->use_chanctx) {
hw->wiphy->max_scan_ssids = 255;
@@ -2014,12 +2289,12 @@ static int mac80211_hwsim_create_radio(int channels, const char *reg_alpha2,
/* For channels > 1 DFS is not allowed */
hw->wiphy->n_iface_combinations = 1;
hw->wiphy->iface_combinations = &data->if_combination;
- if (p2p_device)
+ if (param->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) {
+ } else if (param->p2p_device) {
hw->wiphy->iface_combinations = hwsim_if_comb_p2p_dev;
hw->wiphy->n_iface_combinations =
ARRAY_SIZE(hwsim_if_comb_p2p_dev);
@@ -2040,7 +2315,7 @@ static int mac80211_hwsim_create_radio(int channels, const char *reg_alpha2,
BIT(NL80211_IFTYPE_ADHOC) |
BIT(NL80211_IFTYPE_MESH_POINT);
- if (p2p_device)
+ if (param->p2p_device)
hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_DEVICE);
hw->flags = IEEE80211_HW_MFP_CAPABLE |
@@ -2060,7 +2335,8 @@ static int mac80211_hwsim_create_radio(int channels, const char *reg_alpha2,
hw->wiphy->features |= NL80211_FEATURE_ACTIVE_MONITOR |
NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE |
NL80211_FEATURE_STATIC_SMPS |
- NL80211_FEATURE_DYNAMIC_SMPS;
+ NL80211_FEATURE_DYNAMIC_SMPS |
+ NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
/* ask mac80211 to reserve space for magic */
hw->vif_data_size = sizeof(struct hwsim_vif_priv);
@@ -2095,6 +2371,7 @@ static int mac80211_hwsim_create_radio(int channels, const char *reg_alpha2,
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_20 |
IEEE80211_HT_CAP_SGI_40 |
IEEE80211_HT_CAP_DSSSCCK40;
sband->ht_cap.ampdu_factor = 0x3;
@@ -2111,7 +2388,6 @@ static int mac80211_hwsim_create_radio(int channels, const char *reg_alpha2,
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 |
@@ -2142,15 +2418,19 @@ static int mac80211_hwsim_create_radio(int channels, const char *reg_alpha2,
hw->max_rates = 4;
hw->max_rate_tries = 11;
- if (reg_strict)
+ if (param->reg_strict)
hw->wiphy->regulatory_flags |= REGULATORY_STRICT_REG;
- if (regd) {
+ if (param->regd) {
+ data->regd = param->regd;
hw->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG;
- wiphy_apply_custom_regulatory(hw->wiphy, regd);
+ wiphy_apply_custom_regulatory(hw->wiphy, param->regd);
/* give the regulatory workqueue a chance to run */
schedule_timeout_interruptible(1);
}
+ if (param->no_vif)
+ hw->flags |= IEEE80211_HW_NO_AUTO_VIF;
+
err = ieee80211_register_hw(hw);
if (err < 0) {
printk(KERN_DEBUG "mac80211_hwsim: ieee80211_register_hw failed (%d)\n",
@@ -2160,8 +2440,11 @@ static int mac80211_hwsim_create_radio(int channels, const char *reg_alpha2,
wiphy_debug(hw->wiphy, "hwaddr %pM registered\n", hw->wiphy->perm_addr);
- if (reg_alpha2)
- regulatory_hint(hw->wiphy, reg_alpha2);
+ if (param->reg_alpha2) {
+ data->alpha2[0] = param->reg_alpha2[0];
+ data->alpha2[1] = param->reg_alpha2[1];
+ regulatory_hint(hw->wiphy, param->reg_alpha2);
+ }
data->debugfs = debugfs_create_dir("hwsim", hw->wiphy->debugfsdir);
debugfs_create_file("ps", 0666, data->debugfs, data, &hwsim_fops_ps);
@@ -2180,6 +2463,9 @@ static int mac80211_hwsim_create_radio(int channels, const char *reg_alpha2,
list_add_tail(&data->list, &hwsim_radios);
spin_unlock_bh(&hwsim_radio_lock);
+ if (idx > 0)
+ hwsim_mcast_new_radio(idx, info, param);
+
return idx;
failed_hw:
@@ -2192,8 +2478,46 @@ failed:
return err;
}
-static void mac80211_hwsim_destroy_radio(struct mac80211_hwsim_data *data)
+static void hwsim_mcast_del_radio(int id, const char *hwname,
+ struct genl_info *info)
{
+ struct sk_buff *skb;
+ void *data;
+ int ret;
+
+ skb = genlmsg_new(GENLMSG_DEFAULT_SIZE, GFP_KERNEL);
+ if (!skb)
+ return;
+
+ data = genlmsg_put(skb, 0, 0, &hwsim_genl_family, 0,
+ HWSIM_CMD_DEL_RADIO);
+ if (!data)
+ goto error;
+
+ ret = nla_put_u32(skb, HWSIM_ATTR_RADIO_ID, id);
+ if (ret < 0)
+ goto error;
+
+ ret = nla_put(skb, HWSIM_ATTR_RADIO_NAME, strlen(hwname),
+ hwname);
+ if (ret < 0)
+ goto error;
+
+ genlmsg_end(skb, data);
+
+ hwsim_mcast_config_msg(skb, info);
+
+ return;
+
+error:
+ nlmsg_free(skb);
+}
+
+static void mac80211_hwsim_del_radio(struct mac80211_hwsim_data *data,
+ const char *hwname,
+ struct genl_info *info)
+{
+ hwsim_mcast_del_radio(data->idx, hwname, info);
debugfs_remove_recursive(data->debugfs);
ieee80211_unregister_hw(data->hw);
device_release_driver(data->dev);
@@ -2201,6 +2525,46 @@ static void mac80211_hwsim_destroy_radio(struct mac80211_hwsim_data *data)
ieee80211_free_hw(data->hw);
}
+static int mac80211_hwsim_get_radio(struct sk_buff *skb,
+ struct mac80211_hwsim_data *data,
+ u32 portid, u32 seq,
+ struct netlink_callback *cb, int flags)
+{
+ void *hdr;
+ struct hwsim_new_radio_params param = { };
+ int res = -EMSGSIZE;
+
+ hdr = genlmsg_put(skb, portid, seq, &hwsim_genl_family, flags,
+ HWSIM_CMD_GET_RADIO);
+ if (!hdr)
+ return -EMSGSIZE;
+
+ if (cb)
+ genl_dump_check_consistent(cb, hdr, &hwsim_genl_family);
+
+ if (data->alpha2[0] && data->alpha2[1])
+ param.reg_alpha2 = data->alpha2;
+
+ param.reg_strict = !!(data->hw->wiphy->regulatory_flags &
+ REGULATORY_STRICT_REG);
+ param.p2p_device = !!(data->hw->wiphy->interface_modes &
+ BIT(NL80211_IFTYPE_P2P_DEVICE));
+ param.use_chanctx = data->use_chanctx;
+ param.regd = data->regd;
+ param.channels = data->channels;
+ param.hwname = wiphy_name(data->hw->wiphy);
+
+ res = append_radio_msg(skb, data->idx, &param);
+ if (res < 0)
+ goto out_err;
+
+ return genlmsg_end(skb, hdr);
+
+out_err:
+ genlmsg_cancel(skb, hdr);
+ return res;
+}
+
static void mac80211_hwsim_free(void)
{
struct mac80211_hwsim_data *data;
@@ -2211,7 +2575,8 @@ static void mac80211_hwsim_free(void)
list))) {
list_del(&data->list);
spin_unlock_bh(&hwsim_radio_lock);
- mac80211_hwsim_destroy_radio(data);
+ mac80211_hwsim_del_radio(data, wiphy_name(data->hw->wiphy),
+ NULL);
spin_lock_bh(&hwsim_radio_lock);
}
spin_unlock_bh(&hwsim_radio_lock);
@@ -2339,7 +2704,6 @@ out:
static int hwsim_cloned_frame_received_nl(struct sk_buff *skb_2,
struct genl_info *info)
{
-
struct mac80211_hwsim_data *data2;
struct ieee80211_rx_status rx_status;
const u8 *dst;
@@ -2382,18 +2746,22 @@ static int hwsim_cloned_frame_received_nl(struct sk_buff *skb_2,
/* A frame is received from user space */
memset(&rx_status, 0, sizeof(rx_status));
+ /* TODO: Check ATTR_FREQ if it exists, and maybe throw away off-channel
+ * packets?
+ */
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));
+ data2->rx_pkts++;
+ data2->rx_bytes += skb->len;
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;
@@ -2429,54 +2797,72 @@ static int hwsim_register_received_nl(struct sk_buff *skb_2,
return 0;
}
-static int hwsim_create_radio_nl(struct sk_buff *msg, struct genl_info *info)
+static int hwsim_new_radio_nl(struct sk_buff *msg, struct genl_info *info)
{
- 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;
+ struct hwsim_new_radio_params param = { 0 };
+
+ param.reg_strict = info->attrs[HWSIM_ATTR_REG_STRICT_REG];
+ param.p2p_device = info->attrs[HWSIM_ATTR_SUPPORT_P2P_DEVICE];
+ param.channels = channels;
+ param.destroy_on_close =
+ info->attrs[HWSIM_ATTR_DESTROY_RADIO_ON_CLOSE];
if (info->attrs[HWSIM_ATTR_CHANNELS])
- chans = nla_get_u32(info->attrs[HWSIM_ATTR_CHANNELS]);
+ param.channels = nla_get_u32(info->attrs[HWSIM_ATTR_CHANNELS]);
+
+ if (info->attrs[HWSIM_ATTR_NO_VIF])
+ param.no_vif = true;
+
+ if (info->attrs[HWSIM_ATTR_RADIO_NAME])
+ param.hwname = nla_data(info->attrs[HWSIM_ATTR_RADIO_NAME]);
if (info->attrs[HWSIM_ATTR_USE_CHANCTX])
- use_chanctx = true;
+ param.use_chanctx = true;
else
- use_chanctx = (chans > 1);
+ param.use_chanctx = (param.channels > 1);
if (info->attrs[HWSIM_ATTR_REG_HINT_ALPHA2])
- alpha2 = nla_data(info->attrs[HWSIM_ATTR_REG_HINT_ALPHA2]);
+ param.reg_alpha2 =
+ nla_data(info->attrs[HWSIM_ATTR_REG_HINT_ALPHA2]);
if (info->attrs[HWSIM_ATTR_REG_CUSTOM_REG]) {
u32 idx = nla_get_u32(info->attrs[HWSIM_ATTR_REG_CUSTOM_REG]);
if (idx >= ARRAY_SIZE(hwsim_world_regdom_custom))
return -EINVAL;
- regd = hwsim_world_regdom_custom[idx];
+ param.regd = hwsim_world_regdom_custom[idx];
}
- return mac80211_hwsim_create_radio(chans, alpha2, regd, reg_strict,
- p2p_device, use_chanctx);
+ return mac80211_hwsim_new_radio(info, &param);
}
-static int hwsim_destroy_radio_nl(struct sk_buff *msg, struct genl_info *info)
+static int hwsim_del_radio_nl(struct sk_buff *msg, struct genl_info *info)
{
struct mac80211_hwsim_data *data;
- int idx;
+ s64 idx = -1;
+ const char *hwname = NULL;
- if (!info->attrs[HWSIM_ATTR_RADIO_ID])
+ if (info->attrs[HWSIM_ATTR_RADIO_ID])
+ idx = nla_get_u32(info->attrs[HWSIM_ATTR_RADIO_ID]);
+ else if (info->attrs[HWSIM_ATTR_RADIO_NAME])
+ hwname = (void *)nla_data(info->attrs[HWSIM_ATTR_RADIO_NAME]);
+ else
return -EINVAL;
- idx = nla_get_u32(info->attrs[HWSIM_ATTR_RADIO_ID]);
spin_lock_bh(&hwsim_radio_lock);
list_for_each_entry(data, &hwsim_radios, list) {
- if (data->idx != idx)
- continue;
+ if (idx >= 0) {
+ if (data->idx != idx)
+ continue;
+ } else {
+ if (strcmp(hwname, wiphy_name(data->hw->wiphy)))
+ continue;
+ }
+
list_del(&data->list);
spin_unlock_bh(&hwsim_radio_lock);
- mac80211_hwsim_destroy_radio(data);
+ mac80211_hwsim_del_radio(data, wiphy_name(data->hw->wiphy),
+ info);
return 0;
}
spin_unlock_bh(&hwsim_radio_lock);
@@ -2484,6 +2870,77 @@ static int hwsim_destroy_radio_nl(struct sk_buff *msg, struct genl_info *info)
return -ENODEV;
}
+static int hwsim_get_radio_nl(struct sk_buff *msg, struct genl_info *info)
+{
+ struct mac80211_hwsim_data *data;
+ struct sk_buff *skb;
+ int idx, res = -ENODEV;
+
+ if (!info->attrs[HWSIM_ATTR_RADIO_ID])
+ return -EINVAL;
+ idx = nla_get_u32(info->attrs[HWSIM_ATTR_RADIO_ID]);
+
+ spin_lock_bh(&hwsim_radio_lock);
+ list_for_each_entry(data, &hwsim_radios, list) {
+ if (data->idx != idx)
+ continue;
+
+ skb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+ if (!skb) {
+ res = -ENOMEM;
+ goto out_err;
+ }
+
+ res = mac80211_hwsim_get_radio(skb, data, info->snd_portid,
+ info->snd_seq, NULL, 0);
+ if (res < 0) {
+ nlmsg_free(skb);
+ goto out_err;
+ }
+
+ genlmsg_reply(skb, info);
+ break;
+ }
+
+out_err:
+ spin_unlock_bh(&hwsim_radio_lock);
+
+ return res;
+}
+
+static int hwsim_dump_radio_nl(struct sk_buff *skb,
+ struct netlink_callback *cb)
+{
+ int idx = cb->args[0];
+ struct mac80211_hwsim_data *data = NULL;
+ int res;
+
+ spin_lock_bh(&hwsim_radio_lock);
+
+ if (idx == hwsim_radio_idx)
+ goto done;
+
+ list_for_each_entry(data, &hwsim_radios, list) {
+ if (data->idx < idx)
+ continue;
+
+ res = mac80211_hwsim_get_radio(skb, data,
+ NETLINK_CB(cb->skb).portid,
+ cb->nlh->nlmsg_seq, cb,
+ NLM_F_MULTI);
+ if (res < 0)
+ break;
+
+ idx = data->idx + 1;
+ }
+
+ cb->args[0] = idx;
+
+done:
+ spin_unlock_bh(&hwsim_radio_lock);
+ return skb->len;
+}
+
/* Generic Netlink operations array */
static const struct genl_ops hwsim_ops[] = {
{
@@ -2503,19 +2960,48 @@ static const struct genl_ops hwsim_ops[] = {
.doit = hwsim_tx_info_frame_received_nl,
},
{
- .cmd = HWSIM_CMD_CREATE_RADIO,
+ .cmd = HWSIM_CMD_NEW_RADIO,
.policy = hwsim_genl_policy,
- .doit = hwsim_create_radio_nl,
+ .doit = hwsim_new_radio_nl,
.flags = GENL_ADMIN_PERM,
},
{
- .cmd = HWSIM_CMD_DESTROY_RADIO,
+ .cmd = HWSIM_CMD_DEL_RADIO,
.policy = hwsim_genl_policy,
- .doit = hwsim_destroy_radio_nl,
+ .doit = hwsim_del_radio_nl,
.flags = GENL_ADMIN_PERM,
},
+ {
+ .cmd = HWSIM_CMD_GET_RADIO,
+ .policy = hwsim_genl_policy,
+ .doit = hwsim_get_radio_nl,
+ .dumpit = hwsim_dump_radio_nl,
+ },
};
+static void destroy_radio(struct work_struct *work)
+{
+ struct mac80211_hwsim_data *data =
+ container_of(work, struct mac80211_hwsim_data, destroy_work);
+
+ mac80211_hwsim_del_radio(data, wiphy_name(data->hw->wiphy), NULL);
+}
+
+static void remove_user_radios(u32 portid)
+{
+ struct mac80211_hwsim_data *entry, *tmp;
+
+ spin_lock_bh(&hwsim_radio_lock);
+ list_for_each_entry_safe(entry, tmp, &hwsim_radios, list) {
+ if (entry->destroy_on_close && entry->portid == portid) {
+ list_del(&entry->list);
+ INIT_WORK(&entry->destroy_work, destroy_radio);
+ schedule_work(&entry->destroy_work);
+ }
+ }
+ spin_unlock_bh(&hwsim_radio_lock);
+}
+
static int mac80211_hwsim_netlink_notify(struct notifier_block *nb,
unsigned long state,
void *_notify)
@@ -2525,6 +3011,8 @@ static int mac80211_hwsim_netlink_notify(struct notifier_block *nb,
if (state != NETLINK_URELEASE)
return NOTIFY_DONE;
+ remove_user_radios(notify->portid);
+
if (notify->portid == wmediumd_portid) {
printk(KERN_INFO "mac80211_hwsim: wmediumd released netlink"
" socket, switching to perfect channel medium\n");
@@ -2544,7 +3032,9 @@ static int hwsim_init_netlink(void)
printk(KERN_INFO "mac80211_hwsim: initializing netlink\n");
- rc = genl_register_family_with_ops(&hwsim_genl_family, hwsim_ops);
+ rc = genl_register_family_with_ops_groups(&hwsim_genl_family,
+ hwsim_ops,
+ hwsim_mcgrps);
if (rc)
goto failure;
@@ -2605,69 +3095,73 @@ static int __init init_mac80211_hwsim(void)
goto out_unregister_driver;
}
+ err = hwsim_init_netlink();
+ if (err < 0)
+ goto out_unregister_driver;
+
for (i = 0; i < radios; i++) {
- const char *reg_alpha2 = NULL;
- const struct ieee80211_regdomain *regd = NULL;
- bool reg_strict = false;
+ struct hwsim_new_radio_params param = { 0 };
+
+ param.channels = channels;
switch (regtest) {
case HWSIM_REGTEST_DIFF_COUNTRY:
if (i < ARRAY_SIZE(hwsim_alpha2s))
- reg_alpha2 = hwsim_alpha2s[i];
+ param.reg_alpha2 = hwsim_alpha2s[i];
break;
case HWSIM_REGTEST_DRIVER_REG_FOLLOW:
if (!i)
- reg_alpha2 = hwsim_alpha2s[0];
+ param.reg_alpha2 = hwsim_alpha2s[0];
break;
case HWSIM_REGTEST_STRICT_ALL:
- reg_strict = true;
+ param.reg_strict = true;
case HWSIM_REGTEST_DRIVER_REG_ALL:
- reg_alpha2 = hwsim_alpha2s[0];
+ param.reg_alpha2 = hwsim_alpha2s[0];
break;
case HWSIM_REGTEST_WORLD_ROAM:
if (i == 0)
- regd = &hwsim_world_regdom_custom_01;
+ param.regd = &hwsim_world_regdom_custom_01;
break;
case HWSIM_REGTEST_CUSTOM_WORLD:
- regd = &hwsim_world_regdom_custom_01;
+ param.regd = &hwsim_world_regdom_custom_01;
break;
case HWSIM_REGTEST_CUSTOM_WORLD_2:
if (i == 0)
- regd = &hwsim_world_regdom_custom_01;
+ param.regd = &hwsim_world_regdom_custom_01;
else if (i == 1)
- regd = &hwsim_world_regdom_custom_02;
+ param.regd = &hwsim_world_regdom_custom_02;
break;
case HWSIM_REGTEST_STRICT_FOLLOW:
if (i == 0) {
- reg_strict = true;
- reg_alpha2 = hwsim_alpha2s[0];
+ param.reg_strict = true;
+ param.reg_alpha2 = hwsim_alpha2s[0];
}
break;
case HWSIM_REGTEST_STRICT_AND_DRIVER_REG:
if (i == 0) {
- reg_strict = true;
- reg_alpha2 = hwsim_alpha2s[0];
+ param.reg_strict = true;
+ param.reg_alpha2 = hwsim_alpha2s[0];
} else if (i == 1) {
- reg_alpha2 = hwsim_alpha2s[1];
+ param.reg_alpha2 = hwsim_alpha2s[1];
}
break;
case HWSIM_REGTEST_ALL:
switch (i) {
case 0:
- regd = &hwsim_world_regdom_custom_01;
+ param.regd = &hwsim_world_regdom_custom_01;
break;
case 1:
- regd = &hwsim_world_regdom_custom_02;
+ param.regd = &hwsim_world_regdom_custom_02;
break;
case 2:
- reg_alpha2 = hwsim_alpha2s[0];
+ param.reg_alpha2 = hwsim_alpha2s[0];
break;
case 3:
- reg_alpha2 = hwsim_alpha2s[1];
+ param.reg_alpha2 = hwsim_alpha2s[1];
break;
case 4:
- reg_strict = true;
- reg_alpha2 = hwsim_alpha2s[2];
+ param.reg_strict = true;
+ param.reg_alpha2 = hwsim_alpha2s[2];
break;
}
break;
@@ -2675,10 +3169,10 @@ static int __init init_mac80211_hwsim(void)
break;
}
- err = mac80211_hwsim_create_radio(channels, reg_alpha2,
- regd, reg_strict,
- support_p2p_device,
- channels > 1);
+ param.p2p_device = support_p2p_device;
+ param.use_chanctx = channels > 1;
+
+ err = mac80211_hwsim_new_radio(NULL, &param);
if (err < 0)
goto out_free_radios;
}
@@ -2704,10 +3198,6 @@ static int __init init_mac80211_hwsim(void)
}
rtnl_unlock();
- err = hwsim_init_netlink();
- if (err < 0)
- goto out_free_mon;
-
return 0;
out_free_mon:
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-17 00:23:57 +0000