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author | Avraham Stern <avraham.stern@intel.com> | 2015-03-31 16:22:33 +0300 |
---|---|---|
committer | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2015-05-28 13:35:17 +0300 |
commit | 1fa1bcc02c158bc8a802907cc01dfa33663ec16c (patch) | |
tree | af81fe1f7b58b94c54397f30d5824898eb72126b /drivers/net/wireless/iwlwifi | |
parent | 741c4cfbf7705240e905cb4987bf2c23f25de17e (diff) | |
download | op-kernel-dev-1fa1bcc02c158bc8a802907cc01dfa33663ec16c.zip op-kernel-dev-1fa1bcc02c158bc8a802907cc01dfa33663ec16c.tar.gz |
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: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi')
-rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/scan.c | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/scan.c b/drivers/net/wireless/iwlwifi/mvm/scan.c index 7777d56..e859584 100644 --- a/drivers/net/wireless/iwlwifi/mvm/scan.c +++ b/drivers/net/wireless/iwlwifi/mvm/scan.c @@ -312,16 +312,35 @@ int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm) 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, struct iwl_rx_cmd_buffer *rxb, struct iwl_device_cmd *cmd) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_lmac_scan_complete_notif *notif = (void *)pkt->data; + u8 buf[256]; IWL_DEBUG_SCAN(mvm, - "Scan offload iteration complete: status=0x%x scanned channels=%d\n", - notif->status, notif->scanned_channels); + "Scan offload iteration complete: status=0x%x scanned channels=%d channels list: %s\n", + notif->status, notif->scanned_channels, + iwl_mvm_dump_channel_list(notif->results, + notif->scanned_channels, buf, + sizeof(buf))); return 0; } |