From: Johannes Berg <johannes.berg@xxxxxxxxx>
If firmware supports pure passive monitor on passive/inactive
channels, enable that.
Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@xxxxxxxxx>
---
drivers/net/wireless/intel/iwlwifi/fw/file.h | 3 +++
drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c | 12 +++++++++---
2 files changed, 12 insertions(+), 3 deletions(-)
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/file.h b/drivers/net/wireless/intel/iwlwifi/fw/file.h
index f69d29e531c8..ae05227b6153 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/file.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/file.h
@@ -395,6 +395,8 @@ typedef unsigned int __bitwise iwl_ucode_tlv_capa_t;
* @IWL_UCODE_TLV_CAPA_SPP_AMSDU_SUPPORT: Support SPP (signaling and payload
* protected) A-MSDU.
* @IWL_UCODE_TLV_CAPA_SECURE_LTF_SUPPORT: Support secure LTF measurement.
+ * @IWL_UCODE_TLV_CAPA_MONITOR_PASSIVE_CHANS: Support monitor mode on otherwise
+ * passive channels
*
* @NUM_IWL_UCODE_TLV_CAPA: number of bits used
*/
@@ -494,6 +496,7 @@ enum iwl_ucode_tlv_capa {
IWL_UCODE_TLV_CAPA_SNIFF_VALIDATE_SUPPORT = (__force iwl_ucode_tlv_capa_t)116,
IWL_UCODE_TLV_CAPA_CHINA_22_REG_SUPPORT = (__force iwl_ucode_tlv_capa_t)117,
IWL_UCODE_TLV_CAPA_SECURE_LTF_SUPPORT = (__force iwl_ucode_tlv_capa_t)121,
+ IWL_UCODE_TLV_CAPA_MONITOR_PASSIVE_CHANS = (__force iwl_ucode_tlv_capa_t)122,
NUM_IWL_UCODE_TLV_CAPA
/*
* This construction make both sparse (which cannot increment the previous
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
index 047f77aad367..9a8d2b69f154 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
@@ -392,11 +392,14 @@ static enum nl80211_band iwl_nl80211_band_from_channel_idx(int ch_idx)
return NL80211_BAND_2GHZ;
}
-static int iwl_init_channel_map(struct device *dev, const struct iwl_cfg *cfg,
+static int iwl_init_channel_map(struct iwl_trans *trans,
+ const struct iwl_fw *fw,
struct iwl_nvm_data *data,
const void * const nvm_ch_flags,
u32 sbands_flags, bool v4)
{
+ const struct iwl_cfg *cfg = trans->cfg;
+ struct device *dev = trans->dev;
int ch_idx;
int n_channels = 0;
struct ieee80211_channel *channel;
@@ -478,6 +481,10 @@ static int iwl_init_channel_map(struct device *dev, const struct iwl_cfg *cfg,
else
channel->flags = 0;
+ if (fw_has_capa(&fw->ucode_capa,
+ IWL_UCODE_TLV_CAPA_MONITOR_PASSIVE_CHANS))
+ channel->flags |= IEEE80211_CHAN_CAN_MONITOR;
+
iwl_nvm_print_channel_flags(dev, IWL_DL_EEPROM,
channel->hw_value, ch_flags);
IWL_DEBUG_EEPROM(dev, "Ch. %d: %ddBm\n",
@@ -1171,12 +1178,11 @@ static void iwl_init_sbands(struct iwl_trans *trans,
const struct iwl_fw *fw)
{
struct device *dev = trans->dev;
- const struct iwl_cfg *cfg = trans->cfg;
int n_channels;
int n_used = 0;
struct ieee80211_supported_band *sband;
- n_channels = iwl_init_channel_map(dev, cfg, data, nvm_ch_flags,
+ n_channels = iwl_init_channel_map(trans, fw, data, nvm_ch_flags,
sbands_flags, v4);
sband = &data->bands[NL80211_BAND_2GHZ];
sband->band = NL80211_BAND_2GHZ;
--
2.34.1
