From: David Spinadel <david.spinadel@xxxxxxxxx>
Don't use EBS for P2P find to make sure we find all GOs in
our only attempt.
Signed-off-by: David Spinadel <david.spinadel@xxxxxxxxx>
Reviewed-by: Johannes Berg <johannes.berg@xxxxxxxxx>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx>
---
drivers/net/wireless/iwlwifi/mvm/scan.c | 14 +++++++++-----
1 file changed, 9 insertions(+), 5 deletions(-)
diff --git a/drivers/net/wireless/iwlwifi/mvm/scan.c b/drivers/net/wireless/iwlwifi/mvm/scan.c
index 9409237..794109e 100644
--- a/drivers/net/wireless/iwlwifi/mvm/scan.c
+++ b/drivers/net/wireless/iwlwifi/mvm/scan.c
@@ -770,19 +770,23 @@ static inline bool iwl_mvm_scan_fits(struct iwl_mvm *mvm, int n_ssids,
iwl_mvm_max_scan_ie_fw_cmd_room(mvm)));
}
-static inline bool iwl_mvm_scan_use_ebs(struct iwl_mvm *mvm, int n_iterations)
+static inline bool iwl_mvm_scan_use_ebs(struct iwl_mvm *mvm,
+ struct ieee80211_vif *vif,
+ int n_iterations)
{
const struct iwl_ucode_capabilities *capa = &mvm->fw->ucode_capa;
/* We can only use EBS if:
* 1. the feature is supported;
* 2. the last EBS was successful;
- * 3. if only single scan, the single scan EBS API is supported.
+ * 3. if only single scan, the single scan EBS API is supported;
+ * 4. it's not a p2p find operation.
*/
return ((capa->flags & IWL_UCODE_TLV_FLAGS_EBS_SUPPORT) &&
mvm->last_ebs_successful &&
(n_iterations > 1 ||
- (capa->api[0] & IWL_UCODE_TLV_API_SINGLE_SCAN_EBS)));
+ (capa->api[0] & IWL_UCODE_TLV_API_SINGLE_SCAN_EBS)) &&
+ vif->type != NL80211_IFTYPE_P2P_DEVICE);
}
static int iwl_mvm_scan_total_iterations(struct iwl_mvm_scan_params *params)
@@ -860,7 +864,7 @@ static int iwl_mvm_scan_lmac(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
cmd->schedule[1].iterations = params->schedule[1].iterations;
cmd->schedule[1].full_scan_mul = params->schedule[1].iterations;
- if (iwl_mvm_scan_use_ebs(mvm, n_iterations)) {
+ if (iwl_mvm_scan_use_ebs(mvm, vif, n_iterations)) {
cmd->channel_opt[0].flags =
cpu_to_le16(IWL_SCAN_CHANNEL_FLAG_EBS |
IWL_SCAN_CHANNEL_FLAG_EBS_ACCURATE |
@@ -1102,7 +1106,7 @@ static int iwl_mvm_scan_umac(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
cmd->uid = cpu_to_le32(uid);
cmd->general_flags = cpu_to_le32(iwl_mvm_scan_umac_flags(mvm, params));
- if (iwl_mvm_scan_use_ebs(mvm, n_iterations))
+ if (iwl_mvm_scan_use_ebs(mvm, vif, n_iterations))
cmd->channel_flags = IWL_SCAN_CHANNEL_FLAG_EBS |
IWL_SCAN_CHANNEL_FLAG_EBS_ACCURATE |
IWL_SCAN_CHANNEL_FLAG_CACHE_ADD;
--
2.1.4
--
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