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      1 /*
      2  * Common driver-related functions
      3  * Copyright (c) 2003-2011, Jouni Malinen <j (at) w1.fi>
      4  *
      5  * This software may be distributed under the terms of the BSD license.
      6  * See README for more details.
      7  */
      8 
      9 #include "includes.h"
     10 #include "utils/common.h"
     11 #include "driver.h"
     12 
     13 void wpa_scan_results_free(struct wpa_scan_results *res)
     14 {
     15 	size_t i;
     16 
     17 	if (res == NULL)
     18 		return;
     19 
     20 	for (i = 0; i < res->num; i++)
     21 		os_free(res->res[i]);
     22 	os_free(res->res);
     23 	os_free(res);
     24 }
     25 
     26 
     27 const char * event_to_string(enum wpa_event_type event)
     28 {
     29 #define E2S(n) case EVENT_ ## n: return #n
     30 	switch (event) {
     31 	E2S(ASSOC);
     32 	E2S(DISASSOC);
     33 	E2S(MICHAEL_MIC_FAILURE);
     34 	E2S(SCAN_RESULTS);
     35 	E2S(ASSOCINFO);
     36 	E2S(INTERFACE_STATUS);
     37 	E2S(PMKID_CANDIDATE);
     38 	E2S(STKSTART);
     39 	E2S(TDLS);
     40 	E2S(FT_RESPONSE);
     41 	E2S(IBSS_RSN_START);
     42 	E2S(AUTH);
     43 	E2S(DEAUTH);
     44 	E2S(ASSOC_REJECT);
     45 	E2S(AUTH_TIMED_OUT);
     46 	E2S(ASSOC_TIMED_OUT);
     47 	E2S(FT_RRB_RX);
     48 	E2S(WPS_BUTTON_PUSHED);
     49 	E2S(TX_STATUS);
     50 	E2S(RX_FROM_UNKNOWN);
     51 	E2S(RX_MGMT);
     52 	E2S(REMAIN_ON_CHANNEL);
     53 	E2S(CANCEL_REMAIN_ON_CHANNEL);
     54 	E2S(MLME_RX);
     55 	E2S(RX_PROBE_REQ);
     56 	E2S(NEW_STA);
     57 	E2S(EAPOL_RX);
     58 	E2S(SIGNAL_CHANGE);
     59 	E2S(INTERFACE_ENABLED);
     60 	E2S(INTERFACE_DISABLED);
     61 	E2S(CHANNEL_LIST_CHANGED);
     62 	E2S(INTERFACE_UNAVAILABLE);
     63 	E2S(BEST_CHANNEL);
     64 	E2S(UNPROT_DEAUTH);
     65 	E2S(UNPROT_DISASSOC);
     66 	E2S(STATION_LOW_ACK);
     67 	E2S(IBSS_PEER_LOST);
     68 	E2S(DRIVER_GTK_REKEY);
     69 	E2S(SCHED_SCAN_STOPPED);
     70 	E2S(DRIVER_CLIENT_POLL_OK);
     71 	E2S(EAPOL_TX_STATUS);
     72 	E2S(CH_SWITCH);
     73 	E2S(WNM);
     74 	E2S(CONNECT_FAILED_REASON);
     75 	E2S(DFS_RADAR_DETECTED);
     76 	E2S(DFS_CAC_FINISHED);
     77 	E2S(DFS_CAC_ABORTED);
     78 	E2S(DFS_NOP_FINISHED);
     79 	E2S(SURVEY);
     80 	E2S(SCAN_STARTED);
     81 	E2S(AVOID_FREQUENCIES);
     82 	}
     83 
     84 	return "UNKNOWN";
     85 #undef E2S
     86 }
     87 
     88 
     89 const char * channel_width_to_string(enum chan_width width)
     90 {
     91 	switch (width) {
     92 	case CHAN_WIDTH_20_NOHT:
     93 		return "20 MHz (no HT)";
     94 	case CHAN_WIDTH_20:
     95 		return "20 MHz";
     96 	case CHAN_WIDTH_40:
     97 		return "40 MHz";
     98 	case CHAN_WIDTH_80:
     99 		return "80 MHz";
    100 	case CHAN_WIDTH_80P80:
    101 		return "80+80 MHz";
    102 	case CHAN_WIDTH_160:
    103 		return "160 MHz";
    104 	default:
    105 		return "unknown";
    106 	}
    107 }
    108