Skip to content

Commit

Permalink
mac80211: add 6 GHz support to mac80211_hwsim
Browse files Browse the repository at this point in the history 
Signed-off-by: Felix Fietkau <nbd@nbd.name>
  • Loading branch information
@nbd168
nbd168 committed May 26, 2021
1 parent d76535c commit db072fd
Show file tree
Hide file tree
Showing 2 changed files with 197 additions and 0 deletions.
123 changes: 123 additions & 0 deletions package/kernel/mac80211/patches/subsys/320-mac80211_hwsim-add-6GHz-channels.patch
View file
@@ -0,0 +1,123 @@
From: Ramon Fontes <ramonreisfontes@gmail.com>
Date: Sun, 27 Dec 2020 00:11:55 -0300
Subject: [PATCH] mac80211_hwsim: add 6GHz channels

Advertise 6GHz channels to mac80211.

Signed-off-by: Ramon Fontes <ramonreisfontes@gmail.com>
Link: https://lore.kernel.org/r/20201227031155.81161-1-ramonreisfontes@gmail.com
[reword commit message]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---

--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -311,6 +311,12 @@ static struct net_device *hwsim_mon; /*
.hw_value = (_freq), \
}

+#define CHAN6G(_freq) { \
+ .band = NL80211_BAND_6GHZ, \
+ .center_freq = (_freq), \
+ .hw_value = (_freq), \
+}
+
static const struct ieee80211_channel hwsim_channels_2ghz[] = {
CHAN2G(2412), /* Channel 1 */
CHAN2G(2417), /* Channel 2 */
@@ -377,6 +383,68 @@ static const struct ieee80211_channel hw
CHAN5G(5925), /* Channel 185 */
};

+static const struct ieee80211_channel hwsim_channels_6ghz[] = {
+ CHAN6G(5955), /* Channel 1 */
+ CHAN6G(5975), /* Channel 5 */
+ CHAN6G(5995), /* Channel 9 */
+ CHAN6G(6015), /* Channel 13 */
+ CHAN6G(6035), /* Channel 17 */
+ CHAN6G(6055), /* Channel 21 */
+ CHAN6G(6075), /* Channel 25 */
+ CHAN6G(6095), /* Channel 29 */
+ CHAN6G(6115), /* Channel 33 */
+ CHAN6G(6135), /* Channel 37 */
+ CHAN6G(6155), /* Channel 41 */
+ CHAN6G(6175), /* Channel 45 */
+ CHAN6G(6195), /* Channel 49 */
+ CHAN6G(6215), /* Channel 53 */
+ CHAN6G(6235), /* Channel 57 */
+ CHAN6G(6255), /* Channel 61 */
+ CHAN6G(6275), /* Channel 65 */
+ CHAN6G(6295), /* Channel 69 */
+ CHAN6G(6315), /* Channel 73 */
+ CHAN6G(6335), /* Channel 77 */
+ CHAN6G(6355), /* Channel 81 */
+ CHAN6G(6375), /* Channel 85 */
+ CHAN6G(6395), /* Channel 89 */
+ CHAN6G(6415), /* Channel 93 */
+ CHAN6G(6435), /* Channel 97 */
+ CHAN6G(6455), /* Channel 181 */
+ CHAN6G(6475), /* Channel 105 */
+ CHAN6G(6495), /* Channel 109 */
+ CHAN6G(6515), /* Channel 113 */
+ CHAN6G(6535), /* Channel 117 */
+ CHAN6G(6555), /* Channel 121 */
+ CHAN6G(6575), /* Channel 125 */
+ CHAN6G(6595), /* Channel 129 */
+ CHAN6G(6615), /* Channel 133 */
+ CHAN6G(6635), /* Channel 137 */
+ CHAN6G(6655), /* Channel 141 */
+ CHAN6G(6675), /* Channel 145 */
+ CHAN6G(6695), /* Channel 149 */
+ CHAN6G(6715), /* Channel 153 */
+ CHAN6G(6735), /* Channel 157 */
+ CHAN6G(6755), /* Channel 161 */
+ CHAN6G(6775), /* Channel 165 */
+ CHAN6G(6795), /* Channel 169 */
+ CHAN6G(6815), /* Channel 173 */
+ CHAN6G(6835), /* Channel 177 */
+ CHAN6G(6855), /* Channel 181 */
+ CHAN6G(6875), /* Channel 185 */
+ CHAN6G(6895), /* Channel 189 */
+ CHAN6G(6915), /* Channel 193 */
+ CHAN6G(6935), /* Channel 197 */
+ CHAN6G(6955), /* Channel 201 */
+ CHAN6G(6975), /* Channel 205 */
+ CHAN6G(6995), /* Channel 209 */
+ CHAN6G(7015), /* Channel 213 */
+ CHAN6G(7035), /* Channel 217 */
+ CHAN6G(7055), /* Channel 221 */
+ CHAN6G(7075), /* Channel 225 */
+ CHAN6G(7095), /* Channel 229 */
+ CHAN6G(7115), /* Channel 233 */
+};
+
#define NUM_S1G_CHANS_US 51
static struct ieee80211_channel hwsim_channels_s1g[NUM_S1G_CHANS_US];

@@ -548,6 +616,7 @@ struct mac80211_hwsim_data {
struct ieee80211_supported_band bands[NUM_NL80211_BANDS];
struct ieee80211_channel channels_2ghz[ARRAY_SIZE(hwsim_channels_2ghz)];
struct ieee80211_channel channels_5ghz[ARRAY_SIZE(hwsim_channels_5ghz)];
+ struct ieee80211_channel channels_6ghz[ARRAY_SIZE(hwsim_channels_6ghz)];
struct ieee80211_channel channels_s1g[ARRAY_SIZE(hwsim_channels_s1g)];
struct ieee80211_rate rates[ARRAY_SIZE(hwsim_rates)];
struct ieee80211_iface_combination if_combination;
@@ -578,7 +647,8 @@ struct mac80211_hwsim_data {
struct ieee80211_channel *channel;
unsigned long next_start, start, end;
} survey_data[ARRAY_SIZE(hwsim_channels_2ghz) +
- ARRAY_SIZE(hwsim_channels_5ghz)];
+ ARRAY_SIZE(hwsim_channels_5ghz) +
+ ARRAY_SIZE(hwsim_channels_6ghz)];

struct ieee80211_channel *channel;
u64 beacon_int /* beacon interval in us */;
@@ -3149,6 +3219,8 @@ static int mac80211_hwsim_new_radio(stru
sizeof(hwsim_channels_2ghz));
memcpy(data->channels_5ghz, hwsim_channels_5ghz,
sizeof(hwsim_channels_5ghz));
+ memcpy(data->channels_6ghz, hwsim_channels_6ghz,
+ sizeof(hwsim_channels_6ghz));
memcpy(data->channels_s1g, hwsim_channels_s1g,
sizeof(hwsim_channels_s1g));
memcpy(data->rates, hwsim_rates, sizeof(hwsim_rates));
74 changes: 74 additions & 0 deletions package/kernel/mac80211/patches/subsys/321-mac80211_hwsim-make-6-GHz-channels-usable.patch
View file
@@ -0,0 +1,74 @@
From: Felix Fietkau <nbd@nbd.name>
Date: Mon, 24 May 2021 11:46:09 +0200
Subject: [PATCH] mac80211_hwsim: make 6 GHz channels usable

The previous commit that claimed to add 6 GHz channels didn't actually make
them usable, since the 6 GHz band was not registered with mac80211.

Fixes: 28881922abd7 ("mac80211_hwsim: add 6GHz channels")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---

--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -2968,15 +2968,19 @@ static void mac80211_hwsim_he_capab(stru
{
u16 n_iftype_data;

- if (sband->band == NL80211_BAND_2GHZ) {
+ switch (sband->band) {
+ case NL80211_BAND_2GHZ:
n_iftype_data = ARRAY_SIZE(he_capa_2ghz);
sband->iftype_data =
(struct ieee80211_sband_iftype_data *)he_capa_2ghz;
- } else if (sband->band == NL80211_BAND_5GHZ) {
+ break;
+ case NL80211_BAND_5GHZ:
+ case NL80211_BAND_6GHZ:
n_iftype_data = ARRAY_SIZE(he_capa_5ghz);
sband->iftype_data =
(struct ieee80211_sband_iftype_data *)he_capa_5ghz;
- } else {
+ break;
+ default:
return;
}

@@ -3265,6 +3269,12 @@ static int mac80211_hwsim_new_radio(stru
sband->vht_cap.vht_mcs.tx_mcs_map =
sband->vht_cap.vht_mcs.rx_mcs_map;
break;
+ case NL80211_BAND_6GHZ:
+ sband->channels = data->channels_6ghz;
+ sband->n_channels = ARRAY_SIZE(hwsim_channels_6ghz);
+ sband->bitrates = data->rates + 4;
+ sband->n_bitrates = ARRAY_SIZE(hwsim_rates) - 4;
+ break;
case NL80211_BAND_S1GHZ:
memcpy(&sband->s1g_cap, &hwsim_s1g_cap,
sizeof(sband->s1g_cap));
@@ -3275,6 +3285,13 @@ static int mac80211_hwsim_new_radio(stru
continue;
}

+ mac80211_hwsim_he_capab(sband);
+
+ hw->wiphy->bands[band] = sband;
+
+ if (band == NL80211_BAND_6GHZ)
+ continue;
+
sband->ht_cap.ht_supported = true;
sband->ht_cap.cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
IEEE80211_HT_CAP_GRN_FLD |
@@ -3288,10 +3305,6 @@ static int mac80211_hwsim_new_radio(stru
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;
-
- mac80211_hwsim_he_capab(sband);
-
- hw->wiphy->bands[band] = sband;
}

/* By default all radios belong to the first group */

0 comments on commit db072fd

Please sign in to comment.