Commit e5d74646 authored by Alexander Bondar's avatar Alexander Bondar Committed by Emmanuel Grumbach
Browse files

iwlwifi: mvm: Add debugfs entry to enable scan offload notification 



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: default avatarHaim Dreyfuss <haim.dreyfuss@intel.com>
Signed-off-by: default avatarEmmanuel Grumbach <emmanuel.grumbach@intel.com>
parent 9b8a7a90

drivers/net/wireless/iwlwifi/mvm/debugfs.c

+23 −0
Original line number Diff line number Diff line
@@ -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) {

drivers/net/wireless/iwlwifi/mvm/mvm.h

+5 −0
Original line number Diff line number Diff line
@@ -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,

drivers/net/wireless/iwlwifi/mvm/ops.c

+2 −0
Original line number Diff line number Diff line
@@ -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,

drivers/net/wireless/iwlwifi/mvm/scan.c

+18 −0
Original line number Diff line number Diff line
@@ -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);

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