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Commit 1fa1bcc0 authored by Avraham Stern's avatar Avraham Stern Committed by Emmanuel Grumbach
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iwlwifi: mvm: print scanned channel list on scan iteration complete notification 



When receiving scan iteration complete notification, print a list of
the channels that have been scanned in this iteration.
This is useful for debugging.

Signed-off-by: default avatarAvraham Stern <avraham.stern@intel.com>
Signed-off-by: default avatarEmmanuel Grumbach <emmanuel.grumbach@intel.com>
parent 741c4cfb

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

+21 −2
Original line number Original line Diff line number Diff line
@@ -312,16 +312,35 @@ int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm) 
	return max_ie_len;

	return max_ie_len;

}

}





static u8 *iwl_mvm_dump_channel_list(struct iwl_scan_results_notif *res,

				     int num_res, u8 *buf, size_t buf_size)

{

	int i;

	u8 *pos = buf, *end = buf + buf_size;



	for (i = 0; pos < end && i < num_res; i++)

		pos += snprintf(pos, end - pos, " %u", res[i].channel);



	/* terminate the string in case the buffer was too short */

	*(buf + buf_size - 1) = '\0';



	return buf;

}



int iwl_mvm_rx_scan_offload_iter_complete_notif(struct iwl_mvm *mvm,

int iwl_mvm_rx_scan_offload_iter_complete_notif(struct iwl_mvm *mvm,

						struct iwl_rx_cmd_buffer *rxb,

						struct iwl_rx_cmd_buffer *rxb,

						struct iwl_device_cmd *cmd)

						struct iwl_device_cmd *cmd)

{

{

	struct iwl_rx_packet *pkt = rxb_addr(rxb);

	struct iwl_rx_packet *pkt = rxb_addr(rxb);

	struct iwl_lmac_scan_complete_notif *notif = (void *)pkt->data;

	struct iwl_lmac_scan_complete_notif *notif = (void *)pkt->data;

	u8 buf[256];





	IWL_DEBUG_SCAN(mvm,

	IWL_DEBUG_SCAN(mvm,

		       "Scan offload iteration complete: status=0x%x scanned channels=%d\n",

		       "Scan offload iteration complete: status=0x%x scanned channels=%d channels list: %s\n",

		       notif->status, notif->scanned_channels);

		       notif->status, notif->scanned_channels,

		       iwl_mvm_dump_channel_list(notif->results,

						 notif->scanned_channels, buf,

						 sizeof(buf)));

	return 0;

	return 0;

}

}