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authorJanusz Dziedzic <janusz.dziedzic@tieto.com>2013-11-05 12:03:53 (GMT)
committerJohannes Berg <johannes.berg@intel.com>2013-11-25 19:49:39 (GMT)
commitbba05e3d5afb6ed31c00068f12418a9dacb42328 (patch)
tree19f9c79bc5715def0d4ade18bf243928e3bb87a6 /drivers
parent70526e543c8087b7fa136fd5e6be98332d609848 (diff)
downloadlinux-bba05e3d5afb6ed31c00068f12418a9dacb42328.tar.xz
mac80211_hwsim: Add iface comb for DFS
Add iface combination that will allow DFS support. Add also debugfs dfs_simulate_radar file that can be used to simulate radar event. This could be useful for mac80211/cfg80211/ regulatory/hostap code testing without real HW. Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/wireless/mac80211_hwsim.c50
1 files changed, 42 insertions, 8 deletions
diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index 76b362e..bad66e3 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -1889,6 +1889,17 @@ static int hwsim_fops_ps_write(void *dat, u64 val)
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)
{
@@ -2190,11 +2201,28 @@ static const struct ieee80211_iface_limit hwsim_if_limits[] = {
{ .max = 1, .types = BIT(NL80211_IFTYPE_P2P_DEVICE) },
};
-static struct ieee80211_iface_combination hwsim_if_comb = {
- .limits = hwsim_if_limits,
- .n_limits = ARRAY_SIZE(hwsim_if_limits),
- .max_interfaces = 2048,
- .num_different_channels = 1,
+static const struct ieee80211_iface_limit hwsim_if_dfs_limits[] = {
+ { .max = 8, .types = BIT(NL80211_IFTYPE_AP) },
+};
+
+static struct ieee80211_iface_combination hwsim_if_comb[] = {
+ {
+ .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 int __init init_mac80211_hwsim(void)
@@ -2212,7 +2240,7 @@ static int __init init_mac80211_hwsim(void)
return -EINVAL;
if (channels > 1) {
- hwsim_if_comb.num_different_channels = channels;
+ hwsim_if_comb[0].num_different_channels = channels;
mac80211_hwsim_ops.hw_scan = mac80211_hwsim_hw_scan;
mac80211_hwsim_ops.cancel_hw_scan =
mac80211_hwsim_cancel_hw_scan;
@@ -2292,13 +2320,15 @@ static int __init init_mac80211_hwsim(void)
hw->wiphy->n_addresses = 2;
hw->wiphy->addresses = data->addresses;
- hw->wiphy->iface_combinations = &hwsim_if_comb;
- hw->wiphy->n_iface_combinations = 1;
+ hw->wiphy->iface_combinations = hwsim_if_comb;
+ hw->wiphy->n_iface_combinations = ARRAY_SIZE(hwsim_if_comb);
if (channels > 1) {
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;
}
INIT_DELAYED_WORK(&data->roc_done, hw_roc_done);
@@ -2534,6 +2564,10 @@ static int __init init_mac80211_hwsim(void)
&hwsim_fops_ps);
debugfs_create_file("group", 0666, data->debugfs, data,
&hwsim_fops_group);
+ if (channels == 1)
+ debugfs_create_file("dfs_simulate_radar", 0222,
+ data->debugfs,
+ data, &hwsim_simulate_radar);
tasklet_hrtimer_init(&data->beacon_timer,
mac80211_hwsim_beacon,