From: Alexander Bondar <alexander.bondar@xxxxxxxxx>
This option enables scan offload iteration complete notification from
firmware which includes the last iteration's status and the scanned
channels from the current iteration.
Signed-off-by: Haim Dreyfuss <haim.dreyfuss@xxxxxxxxx>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx>
---
drivers/net/wireless/iwlwifi/mvm/debugfs.c | 23 +++++++++++++++++++++++
drivers/net/wireless/iwlwifi/mvm/mvm.h | 5 +++++
drivers/net/wireless/iwlwifi/mvm/ops.c | 2 ++
drivers/net/wireless/iwlwifi/mvm/scan.c | 18 ++++++++++++++++++
4 files changed, 48 insertions(+)
diff --git a/drivers/net/wireless/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/iwlwifi/mvm/debugfs.c
index f1b3405..f89b795 100644
--- a/drivers/net/wireless/iwlwifi/mvm/debugfs.c
+++ b/drivers/net/wireless/iwlwifi/mvm/debugfs.c
@@ -1490,6 +1490,26 @@ out:
return count;
}
+static ssize_t iwl_dbgfs_enable_scan_iteration_notif_write(struct iwl_mvm *mvm,
+ char *buf,
+ size_t count,
+ loff_t *ppos)
+{
+ int val;
+
+ mutex_lock(&mvm->mutex);
+
+ if (kstrtoint(buf, 10, &val)) {
+ mutex_unlock(&mvm->mutex);
+ return -EINVAL;
+ }
+
+ mvm->scan_iter_notif_enabled = val;
+ mutex_unlock(&mvm->mutex);
+
+ return count;
+}
+
MVM_DEBUGFS_READ_WRITE_FILE_OPS(prph_reg, 64);
/* Device wide debugfs entries */
@@ -1512,6 +1532,7 @@ MVM_DEBUGFS_READ_WRITE_FILE_OPS(scan_ant_rxchain, 8);
MVM_DEBUGFS_READ_WRITE_FILE_OPS(d0i3_refs, 8);
MVM_DEBUGFS_READ_WRITE_FILE_OPS(fw_dbg_conf, 8);
MVM_DEBUGFS_WRITE_FILE_OPS(fw_dbg_collect, 8);
+MVM_DEBUGFS_WRITE_FILE_OPS(enable_scan_iteration_notif, 8);
#ifdef CONFIG_IWLWIFI_BCAST_FILTERING
MVM_DEBUGFS_READ_WRITE_FILE_OPS(bcast_filters, 256);
@@ -1555,6 +1576,8 @@ int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir)
MVM_DEBUGFS_ADD_FILE(d0i3_refs, mvm->debugfs_dir, S_IRUSR | S_IWUSR);
MVM_DEBUGFS_ADD_FILE(fw_dbg_conf, mvm->debugfs_dir, S_IRUSR | S_IWUSR);
MVM_DEBUGFS_ADD_FILE(fw_dbg_collect, mvm->debugfs_dir, S_IWUSR);
+ MVM_DEBUGFS_ADD_FILE(enable_scan_iteration_notif, mvm->debugfs_dir,
+ S_IWUSR);
#ifdef CONFIG_IWLWIFI_BCAST_FILTERING
if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING) {
diff --git a/drivers/net/wireless/iwlwifi/mvm/mvm.h b/drivers/net/wireless/iwlwifi/mvm/mvm.h
index c95297e..6355127 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mvm.h
+++ b/drivers/net/wireless/iwlwifi/mvm/mvm.h
@@ -642,6 +642,8 @@ struct iwl_mvm {
bool disable_power_off;
bool disable_power_off_d3;
+ bool scan_iter_notif_enabled;
+
struct debugfs_blob_wrapper nvm_hw_blob;
struct debugfs_blob_wrapper nvm_sw_blob;
struct debugfs_blob_wrapper nvm_calib_blob;
@@ -1061,6 +1063,9 @@ int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm, bool is_sched_scan);
int iwl_mvm_rx_scan_offload_complete_notif(struct iwl_mvm *mvm,
struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd);
+int iwl_mvm_rx_scan_offload_iter_complete_notif(struct iwl_mvm *mvm,
+ struct iwl_rx_cmd_buffer *rxb,
+ struct iwl_device_cmd *cmd);
int iwl_mvm_config_sched_scan(struct iwl_mvm *mvm,
struct ieee80211_vif *vif,
struct cfg80211_sched_scan_request *req,
diff --git a/drivers/net/wireless/iwlwifi/mvm/ops.c b/drivers/net/wireless/iwlwifi/mvm/ops.c
index b0583fc..12b565a 100644
--- a/drivers/net/wireless/iwlwifi/mvm/ops.c
+++ b/drivers/net/wireless/iwlwifi/mvm/ops.c
@@ -234,6 +234,8 @@ static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = {
RX_HANDLER(SCAN_REQUEST_CMD, iwl_mvm_rx_scan_response, false),
RX_HANDLER(SCAN_COMPLETE_NOTIFICATION, iwl_mvm_rx_scan_complete, true),
+ RX_HANDLER(SCAN_ITERATION_COMPLETE,
+ iwl_mvm_rx_scan_offload_iter_complete_notif, false),
RX_HANDLER(SCAN_OFFLOAD_COMPLETE,
iwl_mvm_rx_scan_offload_complete_notif, true),
RX_HANDLER(MATCH_FOUND_NOTIFICATION, iwl_mvm_rx_scan_offload_results,
diff --git a/drivers/net/wireless/iwlwifi/mvm/scan.c b/drivers/net/wireless/iwlwifi/mvm/scan.c
index 348b9c4..199f6fc 100644
--- a/drivers/net/wireless/iwlwifi/mvm/scan.c
+++ b/drivers/net/wireless/iwlwifi/mvm/scan.c
@@ -536,6 +536,19 @@ int iwl_mvm_rx_scan_response(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
return 0;
}
+int iwl_mvm_rx_scan_offload_iter_complete_notif(struct iwl_mvm *mvm,
+ struct iwl_rx_cmd_buffer *rxb,
+ struct iwl_device_cmd *cmd)
+{
+ struct iwl_rx_packet *pkt = rxb_addr(rxb);
+ struct iwl_scan_complete_notif *notif = (void *)pkt->data;
+
+ IWL_DEBUG_SCAN(mvm,
+ "Scan offload iteration complete: status=0x%x scanned channels=%d\n",
+ notif->status, notif->scanned_channels);
+ return 0;
+}
+
int iwl_mvm_rx_scan_complete(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd)
{
@@ -1468,6 +1481,11 @@ int iwl_mvm_unified_sched_scan_lmac(struct iwl_mvm *mvm,
if (req->n_ssids == 0)
flags |= IWL_MVM_LMAC_SCAN_FLAG_PASSIVE;
+#ifdef CONFIG_IWLWIFI_DEBUGFS
+ if (mvm->scan_iter_notif_enabled)
+ flags |= IWL_MVM_LMAC_SCAN_FLAG_ITER_COMPLETE;
+#endif
+
cmd->scan_flags |= cpu_to_le32(flags);
cmd->flags = iwl_mvm_scan_rxon_flags(req->channels[0]->band);
--
1.9.1
--
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