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iwlwifi: mvm: do not print security error in monitor mode 

In monitor mode we are not expected to decrypt encrypted
packets (not having the keys).
Hence we are expected to get an unknown rx security status.
Keeping the print in monitor mode causes a print for each
captured packet flooding the dmesg.

Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Shaul Triebitz 2017-09-13 16:46:14 +03:00 committed by Luca Coelho
parent c503dd38f8
commit baf41bc35f
4 changed files with 16 additions and 2 deletions
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7
drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
View File

@ -1077,6 +1077,7 @@ static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm)
mvm->vif_count = 0;
mvm->rx_ba_sessions = 0;
mvm->fwrt.dump.conf = FW_DBG_INVALID;
mvm->monitor_on = false;
/* keep statistics ticking */
iwl_mvm_accu_radio_stats(mvm);
@ -1437,6 +1438,9 @@ static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw,
mvm->p2p_device_vif = vif;
}
if (vif->type == NL80211_IFTYPE_MONITOR)
mvm->monitor_on = true;
iwl_mvm_vif_dbgfs_register(mvm, vif);
goto out_unlock;
@ -1526,6 +1530,9 @@ static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw,
iwl_mvm_power_update_mac(mvm);
iwl_mvm_mac_ctxt_remove(mvm, vif);
if (vif->type == NL80211_IFTYPE_MONITOR)
mvm->monitor_on = false;
out_release:
mutex_unlock(&mvm->mutex);
}

3
drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
View File

@ -1015,6 +1015,9 @@ struct iwl_mvm {
bool drop_bcn_ap_mode;
struct delayed_work cs_tx_unblock_dwork;
/* does a monitor vif exist (only one can exist hence bool) */
bool monitor_on;
#ifdef CONFIG_ACPI
struct iwl_mvm_sar_profile sar_profiles[IWL_MVM_SAR_PROFILE_NUM];
struct iwl_mvm_geo_profile geo_profiles[IWL_NUM_GEO_PROFILES];

2
drivers/net/wireless/intel/iwlwifi/mvm/rx.c
View File

@ -244,6 +244,8 @@ static u32 iwl_mvm_set_mac80211_rx_flag(struct iwl_mvm *mvm,
return 0;
default:
/* Expected in monitor (not having the keys) */
if (!mvm->monitor_on)
IWL_ERR(mvm, "Unhandled alg: 0x%x\n", rx_pkt_status);
}

2
drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
View File

@ -277,6 +277,8 @@ static int iwl_mvm_rx_crypto(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr,
stats->flag |= RX_FLAG_DECRYPTED;
return 0;
default:
/* Expected in monitor (not having the keys) */
if (!mvm->monitor_on)
IWL_ERR(mvm, "Unhandled alg: 0x%x\n", status);
}