iwlwifi: consider VHT 160MHz while parsing NVM
Devices belonging to 9000 family can support VHT 160MHz channel
width, so need to consider it when configuring VHT capabilities.
However, NVM file doesn't have a single bit specifying that 160MHz
is supported. This patch turns on 160MHz support in VHT capabilities
in case there's at least one channel supporting 160MHz.
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-eeprom-parse.h b/drivers/net/wireless/intel/iwlwifi/iwl-eeprom-parse.h
index 53f39a3..1f4e502 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-eeprom-parse.h
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-eeprom-parse.h
@@ -98,6 +98,7 @@
s8 max_tx_pwr_half_dbm;
bool lar_enabled;
+ bool vht160_supported;
struct ieee80211_supported_band bands[NUM_NL80211_BANDS];
struct ieee80211_channel channels[];
};
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
index 14743c3..b13f409 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
@@ -288,6 +288,9 @@
!data->sku_cap_band_52GHz_enable)
continue;
+ if (ch_flags & NVM_CHANNEL_160MHZ)
+ data->vht160_supported = true;
+
if (!lar_supported && !(ch_flags & NVM_CHANNEL_VALID)) {
/*
* Channels might become valid later if lar is
@@ -331,17 +334,20 @@
channel->flags = 0;
IWL_DEBUG_EEPROM(dev,
- "Ch. %d [%sGHz] %s%s%s%s%s%s%s(0x%02x %ddBm): Ad-Hoc %ssupported\n",
+ "Ch. %d [%sGHz] flags 0x%x %s%s%s%s%s%s%s%s%s%s(%ddBm): Ad-Hoc %ssupported\n",
channel->hw_value,
is_5ghz ? "5.2" : "2.4",
+ ch_flags,
CHECK_AND_PRINT_I(VALID),
CHECK_AND_PRINT_I(IBSS),
CHECK_AND_PRINT_I(ACTIVE),
CHECK_AND_PRINT_I(RADAR),
- CHECK_AND_PRINT_I(WIDE),
CHECK_AND_PRINT_I(INDOOR_ONLY),
CHECK_AND_PRINT_I(GO_CONCURRENT),
- ch_flags,
+ CHECK_AND_PRINT_I(WIDE),
+ CHECK_AND_PRINT_I(40MHZ),
+ CHECK_AND_PRINT_I(80MHZ),
+ CHECK_AND_PRINT_I(160MHZ),
channel->max_power,
((ch_flags & NVM_CHANNEL_IBSS) &&
!(ch_flags & NVM_CHANNEL_RADAR))
@@ -370,6 +376,10 @@
max_ampdu_exponent <<
IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT;
+ if (data->vht160_supported)
+ vht_cap->cap |=
+ IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ;
+
if (cfg->vht_mu_mimo_supported)
vht_cap->cap |= IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE;