summaryrefslogtreecommitdiff
path: root/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
diff options
context:
space:
mode:
authorGregory Greenman <gregory.greenman@intel.com>2016-04-03 11:06:12 (GMT)
committerLuca Coelho <luciano.coelho@intel.com>2016-05-10 19:14:49 (GMT)
commit4896d7642fd34251ba7119bcb8304d9a73e51bf8 (patch)
tree6b070c526f97d0e0f2f23d1037174487f8523be0 /drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
parent1afb0ae4217423f7864cba0684362de99782fa4e (diff)
downloadlinux-4896d7642fd34251ba7119bcb8304d9a73e51bf8.tar.xz
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>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c16
1 files changed, 13 insertions, 3 deletions
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 @@ 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;