cfg80211: Add support for 60GHz band channels 5 and 6

The current support in the 60GHz band is for channels 1-4.
Add support for channels 5 and 6.
This requires enlarging ieee80211_channel.center_freq from u16 to u32.

Signed-off-by: Alexei Avshalom Lazar <ailizaro@codeaurora.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

diff --git a/drivers/net/wireless/ath/wil6210/debugfs.c b/drivers/net/wireless/ath/wil6210/debugfs.c
index 51c3330..49533f8 100644 (file)
--- a/drivers/net/wireless/ath/wil6210/debugfs.c
+++ b/drivers/net/wireless/ath/wil6210/debugfs.c
@@ -1436,7 +1436,7 @@ static int wil_freq_debugfs_show(struct seq_file *s, void *data)
 {
        struct wil6210_priv *wil = s->private;
        struct wireless_dev *wdev = wil->main_ndev->ieee80211_ptr;
-       u16 freq = wdev->chandef.chan ? wdev->chandef.chan->center_freq : 0;
+       u32 freq = wdev->chandef.chan ? wdev->chandef.chan->center_freq : 0;
 
        seq_printf(s, "Freq = %d\n", freq);
 

diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 4f57f77..46c4cbf 100644 (file)
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -149,7 +149,7 @@ enum ieee80211_channel_flags {
  */
 struct ieee80211_channel {
        enum nl80211_band band;
-       u16 center_freq;
+       u32 center_freq;
        u16 hw_value;
        u32 flags;
        int max_antenna_gain;

diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h
index 7acc16f..0239896 100644 (file)
--- a/include/uapi/linux/nl80211.h
+++ b/include/uapi/linux/nl80211.h
@@ -4338,7 +4338,7 @@ enum nl80211_txrate_gi {
  * enum nl80211_band - Frequency band
  * @NL80211_BAND_2GHZ: 2.4 GHz ISM band
  * @NL80211_BAND_5GHZ: around 5 GHz band (4.9 - 5.7 GHz)
- * @NL80211_BAND_60GHZ: around 60 GHz band (58.32 - 64.80 GHz)
+ * @NL80211_BAND_60GHZ: around 60 GHz band (58.32 - 69.12 GHz)
  * @NUM_NL80211_BANDS: number of bands, avoid using this in userspace
  *     since newer kernel versions may support more bands
  */

diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 325d74a..043d435 100644 (file)
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -3301,7 +3301,7 @@ void regulatory_hint_disconnect(void)
        restore_regulatory_settings(false);
 }
 
-static bool freq_is_chan_12_13_14(u16 freq)
+static bool freq_is_chan_12_13_14(u32 freq)
 {
        if (freq == ieee80211_channel_to_frequency(12, NL80211_BAND_2GHZ) ||
            freq == ieee80211_channel_to_frequency(13, NL80211_BAND_2GHZ) ||

diff --git a/net/wireless/trace.h b/net/wireless/trace.h
index 7c73510..5e7eec8 100644 (file)
--- a/net/wireless/trace.h
+++ b/net/wireless/trace.h
@@ -112,7 +112,7 @@
        } while (0)
 
 #define CHAN_ENTRY __field(enum nl80211_band, band) \
-                  __field(u16, center_freq)
+                  __field(u32, center_freq)
 #define CHAN_ASSIGN(chan)                                        \
        do {                                                      \
                if (chan) {                                       \

diff --git a/net/wireless/util.c b/net/wireless/util.c
index 7bdcfe1..2a89db5 100644 (file)
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -88,7 +88,7 @@ int ieee80211_channel_to_frequency(int chan, enum nl80211_band band)
                        return 5000 + chan * 5;
                break;
        case NL80211_BAND_60GHZ:
-               if (chan < 5)
+               if (chan < 7)
                        return 56160 + chan * 2160;
                break;
        default:
@@ -109,7 +109,7 @@ int ieee80211_frequency_to_channel(int freq)
                return (freq - 4000) / 5;
        else if (freq <= 45000) /* DMG band lower limit */
                return (freq - 5000) / 5;
-       else if (freq >= 58320 && freq <= 64800)
+       else if (freq >= 58320 && freq <= 70200)
                return (freq - 56160) / 2160;
        else
                return 0;
@@ -1568,7 +1568,7 @@ bool ieee80211_chandef_to_operating_class(struct cfg80211_chan_def *chandef,
        }
 
        /* 56.16 GHz, channel 1..4 */
-       if (freq >= 56160 + 2160 * 1 && freq <= 56160 + 2160 * 4) {
+       if (freq >= 56160 + 2160 * 1 && freq <= 56160 + 2160 * 6) {
                if (chandef->width >= NL80211_CHAN_WIDTH_40)
                        return false;