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iwlwifi: consider VHT 160MHz while parsing NVM

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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>
This commit is contained in:
Gregory Greenman 2016-04-03 14:06:12 +03:00 committed by Luca Coelho
parent 1afb0ae421
commit 4896d7642f
2 changed files with 14 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/net/wireless/intel/iwlwifi/iwl-eeprom-parse.h
View File

@ -98,6 +98,7 @@ struct iwl_nvm_data {
s8 max_tx_pwr_half_dbm;
bool lar_enabled;
bool vht160_supported;
struct ieee80211_supported_band bands[NUM_NL80211_BANDS];
struct ieee80211_channel channels[];
};

16
drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
View File

@ -288,6 +288,9 @@ static int iwl_init_channel_map(struct device *dev, const struct iwl_cfg *cfg,
!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 @@ static int iwl_init_channel_map(struct device *dev, const struct iwl_cfg *cfg,
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 @@ static void iwl_init_vht_hw_capab(const struct iwl_cfg *cfg,
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;