summaryrefslogtreecommitdiff
path: root/net/wireless/util.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/wireless/util.c')
-rw-r--r--net/wireless/util.c123
1 files changed, 106 insertions, 17 deletions
diff --git a/net/wireless/util.c b/net/wireless/util.c
index e4b8db5e81ec..5b4ed5bbc542 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -91,6 +91,11 @@ int ieee80211_channel_to_frequency(int chan, enum nl80211_band band)
else
return 5000 + chan * 5;
break;
+ case NL80211_BAND_6GHZ:
+ /* see 802.11ax D4.1 27.3.22.2 */
+ if (chan <= 253)
+ return 5940 + chan * 5;
+ break;
case NL80211_BAND_60GHZ:
if (chan < 7)
return 56160 + chan * 2160;
@@ -111,8 +116,11 @@ int ieee80211_frequency_to_channel(int freq)
return (freq - 2407) / 5;
else if (freq >= 4910 && freq <= 4980)
return (freq - 4000) / 5;
- else if (freq <= 45000) /* DMG band lower limit */
+ else if (freq < 5945)
return (freq - 5000) / 5;
+ else if (freq <= 45000) /* DMG band lower limit */
+ /* see 802.11ax D4.1 27.3.22.2 */
+ return (freq - 5940) / 5;
else if (freq >= 58320 && freq <= 70200)
return (freq - 56160) / 2160;
else
@@ -148,6 +156,7 @@ static void set_mandatory_flags_band(struct ieee80211_supported_band *sband)
switch (sband->band) {
case NL80211_BAND_5GHZ:
+ case NL80211_BAND_6GHZ:
want = 3;
for (i = 0; i < sband->n_bitrates; i++) {
if (sband->bitrates[i].bitrate == 60 ||
@@ -233,18 +242,32 @@ int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev,
switch (params->cipher) {
case WLAN_CIPHER_SUITE_TKIP:
+ /* Extended Key ID can only be used with CCMP/GCMP ciphers */
+ if ((pairwise && key_idx) ||
+ params->mode != NL80211_KEY_RX_TX)
+ return -EINVAL;
+ break;
case WLAN_CIPHER_SUITE_CCMP:
case WLAN_CIPHER_SUITE_CCMP_256:
case WLAN_CIPHER_SUITE_GCMP:
case WLAN_CIPHER_SUITE_GCMP_256:
- /* Disallow pairwise keys with non-zero index unless it's WEP
- * or a vendor specific cipher (because current deployments use
- * pairwise WEP keys with non-zero indices and for vendor
- * specific ciphers this should be validated in the driver or
- * hardware level - but 802.11i clearly specifies to use zero)
+ /* IEEE802.11-2016 allows only 0 and - when supporting
+ * Extended Key ID - 1 as index for pairwise keys.
+ * @NL80211_KEY_NO_TX is only allowed for pairwise keys when
+ * the driver supports Extended Key ID.
+ * @NL80211_KEY_SET_TX can't be set when installing and
+ * validating a key.
*/
- if (pairwise && key_idx)
+ if ((params->mode == NL80211_KEY_NO_TX && !pairwise) ||
+ params->mode == NL80211_KEY_SET_TX)
return -EINVAL;
+ if (wiphy_ext_feature_isset(&rdev->wiphy,
+ NL80211_EXT_FEATURE_EXT_KEY_ID)) {
+ if (pairwise && (key_idx < 0 || key_idx > 1))
+ return -EINVAL;
+ } else if (pairwise && key_idx) {
+ return -EINVAL;
+ }
break;
case WLAN_CIPHER_SUITE_AES_CMAC:
case WLAN_CIPHER_SUITE_BIP_CMAC_256:
@@ -946,6 +969,7 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
}
cfg80211_process_rdev_events(rdev);
+ cfg80211_mlme_purge_registrations(dev->ieee80211_ptr);
}
err = rdev_change_virtual_intf(rdev, dev, ntype, params);
@@ -1025,7 +1049,7 @@ static u32 cfg80211_calculate_bitrate_ht(struct rate_info *rate)
return (bitrate + 50000) / 100000;
}
-static u32 cfg80211_calculate_bitrate_60g(struct rate_info *rate)
+static u32 cfg80211_calculate_bitrate_dmg(struct rate_info *rate)
{
static const u32 __mcs2bitrate[] = {
/* control PHY */
@@ -1072,6 +1096,40 @@ static u32 cfg80211_calculate_bitrate_60g(struct rate_info *rate)
return __mcs2bitrate[rate->mcs];
}
+static u32 cfg80211_calculate_bitrate_edmg(struct rate_info *rate)
+{
+ static const u32 __mcs2bitrate[] = {
+ /* control PHY */
+ [0] = 275,
+ /* SC PHY */
+ [1] = 3850,
+ [2] = 7700,
+ [3] = 9625,
+ [4] = 11550,
+ [5] = 12512, /* 1251.25 mbps */
+ [6] = 13475,
+ [7] = 15400,
+ [8] = 19250,
+ [9] = 23100,
+ [10] = 25025,
+ [11] = 26950,
+ [12] = 30800,
+ [13] = 38500,
+ [14] = 46200,
+ [15] = 50050,
+ [16] = 53900,
+ [17] = 57750,
+ [18] = 69300,
+ [19] = 75075,
+ [20] = 80850,
+ };
+
+ if (WARN_ON_ONCE(rate->mcs >= ARRAY_SIZE(__mcs2bitrate)))
+ return 0;
+
+ return __mcs2bitrate[rate->mcs] * rate->n_bonded_ch;
+}
+
static u32 cfg80211_calculate_bitrate_vht(struct rate_info *rate)
{
static const u32 base[4][10] = {
@@ -1220,9 +1278,11 @@ static u32 cfg80211_calculate_bitrate_he(struct rate_info *rate)
else if (rate->bw == RATE_INFO_BW_HE_RU &&
rate->he_ru_alloc == NL80211_RATE_INFO_HE_RU_ALLOC_26)
result = rates_26[rate->he_gi];
- else if (WARN(1, "invalid HE MCS: bw:%d, ru:%d\n",
- rate->bw, rate->he_ru_alloc))
+ else {
+ WARN(1, "invalid HE MCS: bw:%d, ru:%d\n",
+ rate->bw, rate->he_ru_alloc);
return 0;
+ }
/* now scale to the appropriate MCS */
tmp = result;
@@ -1235,15 +1295,17 @@ static u32 cfg80211_calculate_bitrate_he(struct rate_info *rate)
if (rate->he_dcm)
result /= 2;
- return result;
+ return result / 10000;
}
u32 cfg80211_calculate_bitrate(struct rate_info *rate)
{
if (rate->flags & RATE_INFO_FLAGS_MCS)
return cfg80211_calculate_bitrate_ht(rate);
- if (rate->flags & RATE_INFO_FLAGS_60G)
- return cfg80211_calculate_bitrate_60g(rate);
+ if (rate->flags & RATE_INFO_FLAGS_DMG)
+ return cfg80211_calculate_bitrate_dmg(rate);
+ if (rate->flags & RATE_INFO_FLAGS_EDMG)
+ return cfg80211_calculate_bitrate_edmg(rate);
if (rate->flags & RATE_INFO_FLAGS_VHT_MCS)
return cfg80211_calculate_bitrate_vht(rate);
if (rate->flags & RATE_INFO_FLAGS_HE_MCS)
@@ -1455,6 +1517,9 @@ bool ieee80211_operating_class_to_band(u8 operating_class,
case 128 ... 130:
*band = NL80211_BAND_5GHZ;
return true;
+ case 131 ... 135:
+ *band = NL80211_BAND_6GHZ;
+ return true;
case 81:
case 82:
case 83:
@@ -1494,7 +1559,8 @@ bool ieee80211_chandef_to_operating_class(struct cfg80211_chan_def *chandef,
}
if (freq == 2484) {
- if (chandef->width > NL80211_CHAN_WIDTH_40)
+ /* channel 14 is only for IEEE 802.11b */
+ if (chandef->width != NL80211_CHAN_WIDTH_20_NOHT)
return false;
*op_class = 82; /* channel 14 */
@@ -1686,7 +1752,7 @@ int cfg80211_iter_combinations(struct wiphy *wiphy,
for (iftype = 0; iftype < NUM_NL80211_IFTYPES; iftype++) {
num_interfaces += params->iftype_num[iftype];
if (params->iftype_num[iftype] > 0 &&
- !(wiphy->software_iftypes & BIT(iftype)))
+ !cfg80211_iftype_allowed(wiphy, iftype, 0, 1))
used_iftypes |= BIT(iftype);
}
@@ -1708,7 +1774,7 @@ int cfg80211_iter_combinations(struct wiphy *wiphy,
return -ENOMEM;
for (iftype = 0; iftype < NUM_NL80211_IFTYPES; iftype++) {
- if (wiphy->software_iftypes & BIT(iftype))
+ if (cfg80211_iftype_allowed(wiphy, iftype, 0, 1))
continue;
for (j = 0; j < c->n_limits; j++) {
all_iftypes |= limits[j].types;
@@ -1987,7 +2053,7 @@ int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap,
continue;
if (supp >= mcs_encoding) {
- max_vht_nss = i;
+ max_vht_nss = i + 1;
break;
}
}
@@ -2061,3 +2127,26 @@ int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap,
return max_vht_nss;
}
EXPORT_SYMBOL(ieee80211_get_vht_max_nss);
+
+bool cfg80211_iftype_allowed(struct wiphy *wiphy, enum nl80211_iftype iftype,
+ bool is_4addr, u8 check_swif)
+
+{
+ bool is_vlan = iftype == NL80211_IFTYPE_AP_VLAN;
+
+ switch (check_swif) {
+ case 0:
+ if (is_vlan && is_4addr)
+ return wiphy->flags & WIPHY_FLAG_4ADDR_AP;
+ return wiphy->interface_modes & BIT(iftype);
+ case 1:
+ if (!(wiphy->software_iftypes & BIT(iftype)) && is_vlan)
+ return wiphy->flags & WIPHY_FLAG_4ADDR_AP;
+ return wiphy->software_iftypes & BIT(iftype);
+ default:
+ break;
+ }
+
+ return false;
+}
+EXPORT_SYMBOL(cfg80211_iftype_allowed);
generated by cgit v1.2.3 (git 2.39.0) at 2025-12-16 21:36:47 +0300