// SPDX-License-Identifier: GPL-2.0
|
/*
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* Copyright(c) 2004 Intel Corporation. All rights reserved.
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*
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* Portions of this file are based on the WEP enablement code provided by the
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* Host AP project hostap-drivers v0.1.3
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* Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
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* <jkmaline@cc.hut.fi>
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* Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
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*
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* Contact Information:
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* James P. Ketrenos <ipw2100-admin@linux.intel.com>
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* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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*/
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#include <linux/wireless.h>
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#include <linux/kmod.h>
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#include <linux/module.h>
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#include <linux/etherdevice.h>
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#include "rtllib.h"
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struct modes_unit {
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char *mode_string;
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int mode_size;
|
};
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static struct modes_unit rtllib_modes[] = {
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{"a", 1},
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{"b", 1},
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{"g", 1},
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{"?", 1},
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{"N-24G", 5},
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{"N-5G", 4},
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};
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#define MAX_CUSTOM_LEN 64
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static inline char *rtl819x_translate_scan(struct rtllib_device *ieee,
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char *start, char *stop,
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struct rtllib_network *network,
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struct iw_request_info *info)
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{
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char custom[MAX_CUSTOM_LEN];
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char proto_name[IFNAMSIZ];
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char *pname = proto_name;
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char *p;
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struct iw_event iwe;
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int i, j;
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u16 max_rate, rate;
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static u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33};
|
|
/* First entry *MUST* be the AP MAC address */
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iwe.cmd = SIOCGIWAP;
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iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
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ether_addr_copy(iwe.u.ap_addr.sa_data, network->bssid);
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start = iwe_stream_add_event_rsl(info, start, stop,
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&iwe, IW_EV_ADDR_LEN);
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/* Remaining entries will be displayed in the order we provide them */
|
|
/* Add the ESSID */
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iwe.cmd = SIOCGIWESSID;
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iwe.u.data.flags = 1;
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if (network->ssid_len > 0) {
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iwe.u.data.length = min_t(u8, network->ssid_len, 32);
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start = iwe_stream_add_point_rsl(info, start, stop, &iwe,
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network->ssid);
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} else if (network->hidden_ssid_len == 0) {
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iwe.u.data.length = sizeof("<hidden>");
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start = iwe_stream_add_point_rsl(info, start, stop,
|
&iwe, "<hidden>");
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} else {
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iwe.u.data.length = min_t(u8, network->hidden_ssid_len, 32);
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start = iwe_stream_add_point_rsl(info, start, stop, &iwe,
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network->hidden_ssid);
|
}
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/* Add the protocol name */
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iwe.cmd = SIOCGIWNAME;
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for (i = 0; i < ARRAY_SIZE(rtllib_modes); i++) {
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if (network->mode&(1<<i)) {
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sprintf(pname, rtllib_modes[i].mode_string,
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rtllib_modes[i].mode_size);
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pname += rtllib_modes[i].mode_size;
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}
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}
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*pname = '\0';
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snprintf(iwe.u.name, IFNAMSIZ, "IEEE802.11%s", proto_name);
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start = iwe_stream_add_event_rsl(info, start, stop,
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&iwe, IW_EV_CHAR_LEN);
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/* Add mode */
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iwe.cmd = SIOCGIWMODE;
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if (network->capability &
|
(WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)) {
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if (network->capability & WLAN_CAPABILITY_ESS)
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iwe.u.mode = IW_MODE_MASTER;
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else
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iwe.u.mode = IW_MODE_ADHOC;
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start = iwe_stream_add_event_rsl(info, start, stop,
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&iwe, IW_EV_UINT_LEN);
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}
|
|
/* Add frequency/channel */
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iwe.cmd = SIOCGIWFREQ;
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iwe.u.freq.m = network->channel;
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iwe.u.freq.e = 0;
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iwe.u.freq.i = 0;
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start = iwe_stream_add_event_rsl(info, start, stop, &iwe,
|
IW_EV_FREQ_LEN);
|
|
/* Add encryption capability */
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iwe.cmd = SIOCGIWENCODE;
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if (network->capability & WLAN_CAPABILITY_PRIVACY)
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iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
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else
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iwe.u.data.flags = IW_ENCODE_DISABLED;
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iwe.u.data.length = 0;
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start = iwe_stream_add_point_rsl(info, start, stop,
|
&iwe, network->ssid);
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/* Add basic and extended rates */
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max_rate = 0;
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p = custom;
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p += scnprintf(p, MAX_CUSTOM_LEN - (p - custom), " Rates (Mb/s): ");
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for (i = 0, j = 0; i < network->rates_len;) {
|
if (j < network->rates_ex_len &&
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((network->rates_ex[j] & 0x7F) <
|
(network->rates[i] & 0x7F)))
|
rate = network->rates_ex[j++] & 0x7F;
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else
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rate = network->rates[i++] & 0x7F;
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if (rate > max_rate)
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max_rate = rate;
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p += scnprintf(p, MAX_CUSTOM_LEN - (p - custom),
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"%d%s ", rate >> 1, (rate & 1) ? ".5" : "");
|
}
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for (; j < network->rates_ex_len; j++) {
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rate = network->rates_ex[j] & 0x7F;
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p += scnprintf(p, MAX_CUSTOM_LEN - (p - custom),
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"%d%s ", rate >> 1, (rate & 1) ? ".5" : "");
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if (rate > max_rate)
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max_rate = rate;
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}
|
|
if (network->mode >= IEEE_N_24G) {
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struct ht_capab_ele *ht_cap = NULL;
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bool is40M = false, isShortGI = false;
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u8 max_mcs = 0;
|
|
if (!memcmp(network->bssht.bdHTCapBuf, EWC11NHTCap, 4))
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ht_cap = (struct ht_capab_ele *)
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&network->bssht.bdHTCapBuf[4];
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else
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ht_cap = (struct ht_capab_ele *)
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&network->bssht.bdHTCapBuf[0];
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is40M = (ht_cap->ChlWidth) ? 1 : 0;
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isShortGI = (ht_cap->ChlWidth) ?
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((ht_cap->ShortGI40Mhz) ? 1 : 0) :
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((ht_cap->ShortGI20Mhz) ? 1 : 0);
|
|
max_mcs = HTGetHighestMCSRate(ieee, ht_cap->MCS,
|
MCS_FILTER_ALL);
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rate = MCS_DATA_RATE[is40M][isShortGI][max_mcs & 0x7f];
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if (rate > max_rate)
|
max_rate = rate;
|
}
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iwe.cmd = SIOCGIWRATE;
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iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
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iwe.u.bitrate.value = max_rate * 500000;
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start = iwe_stream_add_event_rsl(info, start, stop, &iwe,
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IW_EV_PARAM_LEN);
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iwe.cmd = IWEVCUSTOM;
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iwe.u.data.length = p - custom;
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if (iwe.u.data.length)
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start = iwe_stream_add_point_rsl(info, start, stop,
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&iwe, custom);
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/* Add quality statistics */
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/* TODO: Fix these values... */
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iwe.cmd = IWEVQUAL;
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iwe.u.qual.qual = network->stats.signal;
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iwe.u.qual.level = network->stats.rssi;
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iwe.u.qual.noise = network->stats.noise;
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iwe.u.qual.updated = network->stats.mask & RTLLIB_STATMASK_WEMASK;
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if (!(network->stats.mask & RTLLIB_STATMASK_RSSI))
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iwe.u.qual.updated |= IW_QUAL_LEVEL_INVALID;
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if (!(network->stats.mask & RTLLIB_STATMASK_NOISE))
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iwe.u.qual.updated |= IW_QUAL_NOISE_INVALID;
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if (!(network->stats.mask & RTLLIB_STATMASK_SIGNAL))
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iwe.u.qual.updated |= IW_QUAL_QUAL_INVALID;
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iwe.u.qual.updated = 7;
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start = iwe_stream_add_event_rsl(info, start, stop, &iwe,
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IW_EV_QUAL_LEN);
|
|
iwe.cmd = IWEVCUSTOM;
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p = custom;
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iwe.u.data.length = p - custom;
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if (iwe.u.data.length)
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start = iwe_stream_add_point_rsl(info, start, stop,
|
&iwe, custom);
|
|
memset(&iwe, 0, sizeof(iwe));
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if (network->wpa_ie_len) {
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char buf[MAX_WPA_IE_LEN];
|
|
memcpy(buf, network->wpa_ie, network->wpa_ie_len);
|
iwe.cmd = IWEVGENIE;
|
iwe.u.data.length = network->wpa_ie_len;
|
start = iwe_stream_add_point_rsl(info, start, stop, &iwe, buf);
|
}
|
memset(&iwe, 0, sizeof(iwe));
|
if (network->rsn_ie_len) {
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char buf[MAX_WPA_IE_LEN];
|
|
memcpy(buf, network->rsn_ie, network->rsn_ie_len);
|
iwe.cmd = IWEVGENIE;
|
iwe.u.data.length = network->rsn_ie_len;
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start = iwe_stream_add_point_rsl(info, start, stop, &iwe, buf);
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}
|
|
/* add info for WZC */
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memset(&iwe, 0, sizeof(iwe));
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if (network->wzc_ie_len) {
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char buf[MAX_WZC_IE_LEN];
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|
memcpy(buf, network->wzc_ie, network->wzc_ie_len);
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iwe.cmd = IWEVGENIE;
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iwe.u.data.length = network->wzc_ie_len;
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start = iwe_stream_add_point_rsl(info, start, stop, &iwe, buf);
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}
|
|
/* Add EXTRA: Age to display seconds since last beacon/probe response
|
* for given network.
|
*/
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iwe.cmd = IWEVCUSTOM;
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p = custom;
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p += scnprintf(p, MAX_CUSTOM_LEN - (p - custom),
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" Last beacon: %lums ago",
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(jiffies - network->last_scanned) / (HZ / 100));
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iwe.u.data.length = p - custom;
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if (iwe.u.data.length)
|
start = iwe_stream_add_point_rsl(info, start, stop,
|
&iwe, custom);
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|
return start;
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}
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|
int rtllib_wx_get_scan(struct rtllib_device *ieee,
|
struct iw_request_info *info,
|
union iwreq_data *wrqu, char *extra)
|
{
|
struct rtllib_network *network;
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unsigned long flags;
|
|
char *ev = extra;
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char *stop = ev + wrqu->data.length;
|
int i = 0;
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int err = 0;
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|
netdev_dbg(ieee->dev, "Getting scan\n");
|
mutex_lock(&ieee->wx_mutex);
|
spin_lock_irqsave(&ieee->lock, flags);
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|
list_for_each_entry(network, &ieee->network_list, list) {
|
i++;
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if ((stop - ev) < 200) {
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err = -E2BIG;
|
break;
|
}
|
if (ieee->scan_age == 0 ||
|
time_after(network->last_scanned + ieee->scan_age, jiffies))
|
ev = rtl819x_translate_scan(ieee, ev, stop, network,
|
info);
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else
|
netdev_dbg(ieee->dev,
|
"Network '%s ( %pM)' hidden due to age (%lums).\n",
|
escape_essid(network->ssid,
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network->ssid_len),
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network->bssid,
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(jiffies - network->last_scanned) /
|
(HZ / 100));
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}
|
|
spin_unlock_irqrestore(&ieee->lock, flags);
|
mutex_unlock(&ieee->wx_mutex);
|
wrqu->data.length = ev - extra;
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wrqu->data.flags = 0;
|
|
netdev_dbg(ieee->dev, "%s(): %d networks returned.\n", __func__, i);
|
|
return err;
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}
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EXPORT_SYMBOL(rtllib_wx_get_scan);
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int rtllib_wx_set_encode(struct rtllib_device *ieee,
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struct iw_request_info *info,
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union iwreq_data *wrqu, char *keybuf)
|
{
|
struct iw_point *erq = &(wrqu->encoding);
|
struct net_device *dev = ieee->dev;
|
struct rtllib_security sec = {
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.flags = 0
|
};
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int i, key, key_provided, len;
|
struct lib80211_crypt_data **crypt;
|
|
netdev_dbg(ieee->dev, "%s()\n", __func__);
|
|
key = erq->flags & IW_ENCODE_INDEX;
|
if (key) {
|
if (key > NUM_WEP_KEYS)
|
return -EINVAL;
|
key--;
|
key_provided = 1;
|
} else {
|
key_provided = 0;
|
key = ieee->crypt_info.tx_keyidx;
|
}
|
|
netdev_dbg(ieee->dev, "Key: %d [%s]\n", key, key_provided ?
|
"provided" : "default");
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crypt = &ieee->crypt_info.crypt[key];
|
if (erq->flags & IW_ENCODE_DISABLED) {
|
if (key_provided && *crypt) {
|
netdev_dbg(ieee->dev,
|
"Disabling encryption on key %d.\n", key);
|
lib80211_crypt_delayed_deinit(&ieee->crypt_info, crypt);
|
} else
|
netdev_dbg(ieee->dev, "Disabling encryption.\n");
|
|
/* Check all the keys to see if any are still configured,
|
* and if no key index was provided, de-init them all
|
*/
|
for (i = 0; i < NUM_WEP_KEYS; i++) {
|
if (ieee->crypt_info.crypt[i] != NULL) {
|
if (key_provided)
|
break;
|
lib80211_crypt_delayed_deinit(&ieee->crypt_info,
|
&ieee->crypt_info.crypt[i]);
|
}
|
}
|
|
if (i == NUM_WEP_KEYS) {
|
sec.enabled = 0;
|
sec.level = SEC_LEVEL_0;
|
sec.flags |= SEC_ENABLED | SEC_LEVEL;
|
}
|
|
goto done;
|
}
|
|
|
|
sec.enabled = 1;
|
sec.flags |= SEC_ENABLED;
|
|
if (*crypt != NULL && (*crypt)->ops != NULL &&
|
strcmp((*crypt)->ops->name, "R-WEP") != 0) {
|
/* changing to use WEP; deinit previously used algorithm
|
* on this key
|
*/
|
lib80211_crypt_delayed_deinit(&ieee->crypt_info, crypt);
|
}
|
|
if (*crypt == NULL) {
|
struct lib80211_crypt_data *new_crypt;
|
|
/* take WEP into use */
|
new_crypt = kzalloc(sizeof(*new_crypt), GFP_KERNEL);
|
if (new_crypt == NULL)
|
return -ENOMEM;
|
new_crypt->ops = lib80211_get_crypto_ops("R-WEP");
|
if (!new_crypt->ops) {
|
request_module("rtllib_crypt_wep");
|
new_crypt->ops = lib80211_get_crypto_ops("R-WEP");
|
}
|
|
if (new_crypt->ops)
|
new_crypt->priv = new_crypt->ops->init(key);
|
|
if (!new_crypt->ops || !new_crypt->priv) {
|
kfree(new_crypt);
|
new_crypt = NULL;
|
|
netdev_warn(dev,
|
"%s: could not initialize WEP: load module rtllib_crypt_wep\n",
|
dev->name);
|
return -EOPNOTSUPP;
|
}
|
*crypt = new_crypt;
|
}
|
|
/* If a new key was provided, set it up */
|
if (erq->length > 0) {
|
len = erq->length <= 5 ? 5 : 13;
|
memcpy(sec.keys[key], keybuf, erq->length);
|
if (len > erq->length)
|
memset(sec.keys[key] + erq->length, 0,
|
len - erq->length);
|
netdev_dbg(ieee->dev, "Setting key %d to '%s' (%d:%d bytes)\n",
|
key, escape_essid(sec.keys[key], len), erq->length,
|
len);
|
sec.key_sizes[key] = len;
|
(*crypt)->ops->set_key(sec.keys[key], len, NULL,
|
(*crypt)->priv);
|
sec.flags |= (1 << key);
|
/* This ensures a key will be activated if no key is
|
* explicitly set
|
*/
|
if (key == sec.active_key)
|
sec.flags |= SEC_ACTIVE_KEY;
|
ieee->crypt_info.tx_keyidx = key;
|
|
} else {
|
len = (*crypt)->ops->get_key(sec.keys[key], WEP_KEY_LEN,
|
NULL, (*crypt)->priv);
|
if (len == 0) {
|
/* Set a default key of all 0 */
|
netdev_info(ieee->dev, "Setting key %d to all zero.\n",
|
key);
|
|
memset(sec.keys[key], 0, 13);
|
(*crypt)->ops->set_key(sec.keys[key], 13, NULL,
|
(*crypt)->priv);
|
sec.key_sizes[key] = 13;
|
sec.flags |= (1 << key);
|
}
|
|
/* No key data - just set the default TX key index */
|
if (key_provided) {
|
netdev_dbg(ieee->dev,
|
"Setting key %d as default Tx key.\n", key);
|
ieee->crypt_info.tx_keyidx = key;
|
sec.active_key = key;
|
sec.flags |= SEC_ACTIVE_KEY;
|
}
|
}
|
done:
|
ieee->open_wep = !(erq->flags & IW_ENCODE_RESTRICTED);
|
ieee->auth_mode = ieee->open_wep ? WLAN_AUTH_OPEN :
|
WLAN_AUTH_SHARED_KEY;
|
sec.auth_mode = ieee->open_wep ? WLAN_AUTH_OPEN : WLAN_AUTH_SHARED_KEY;
|
sec.flags |= SEC_AUTH_MODE;
|
netdev_dbg(ieee->dev, "Auth: %s\n", sec.auth_mode == WLAN_AUTH_OPEN ?
|
"OPEN" : "SHARED KEY");
|
|
/* For now we just support WEP, so only set that security level...
|
* TODO: When WPA is added this is one place that needs to change
|
*/
|
sec.flags |= SEC_LEVEL;
|
sec.level = SEC_LEVEL_1; /* 40 and 104 bit WEP */
|
|
if (ieee->set_security)
|
ieee->set_security(dev, &sec);
|
|
/* Do not reset port if card is in Managed mode since resetting will
|
* generate new IEEE 802.11 authentication which may end up in looping
|
* with IEEE 802.1X. If your hardware requires a reset after WEP
|
* configuration (for example... Prism2), implement the reset_port in
|
* the callbacks structures used to initialize the 802.11 stack.
|
*/
|
if (ieee->reset_on_keychange &&
|
ieee->iw_mode != IW_MODE_INFRA &&
|
ieee->reset_port && ieee->reset_port(dev)) {
|
netdev_dbg(dev, "%s: reset_port failed\n", dev->name);
|
return -EINVAL;
|
}
|
return 0;
|
}
|
EXPORT_SYMBOL(rtllib_wx_set_encode);
|
|
int rtllib_wx_get_encode(struct rtllib_device *ieee,
|
struct iw_request_info *info,
|
union iwreq_data *wrqu, char *keybuf)
|
{
|
struct iw_point *erq = &(wrqu->encoding);
|
int len, key;
|
struct lib80211_crypt_data *crypt;
|
|
netdev_dbg(ieee->dev, "%s()\n", __func__);
|
|
if (ieee->iw_mode == IW_MODE_MONITOR)
|
return -1;
|
|
key = erq->flags & IW_ENCODE_INDEX;
|
if (key) {
|
if (key > NUM_WEP_KEYS)
|
return -EINVAL;
|
key--;
|
} else {
|
key = ieee->crypt_info.tx_keyidx;
|
}
|
crypt = ieee->crypt_info.crypt[key];
|
|
erq->flags = key + 1;
|
|
if (crypt == NULL || crypt->ops == NULL) {
|
erq->length = 0;
|
erq->flags |= IW_ENCODE_DISABLED;
|
return 0;
|
}
|
len = crypt->ops->get_key(keybuf, SCM_KEY_LEN, NULL, crypt->priv);
|
|
erq->length = max(len, 0);
|
|
erq->flags |= IW_ENCODE_ENABLED;
|
|
if (ieee->open_wep)
|
erq->flags |= IW_ENCODE_OPEN;
|
else
|
erq->flags |= IW_ENCODE_RESTRICTED;
|
|
return 0;
|
}
|
EXPORT_SYMBOL(rtllib_wx_get_encode);
|
|
int rtllib_wx_set_encode_ext(struct rtllib_device *ieee,
|
struct iw_request_info *info,
|
union iwreq_data *wrqu, char *extra)
|
{
|
int ret = 0;
|
struct net_device *dev = ieee->dev;
|
struct iw_point *encoding = &wrqu->encoding;
|
struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
|
int i, idx;
|
int group_key = 0;
|
const char *alg, *module;
|
struct lib80211_crypto_ops *ops;
|
struct lib80211_crypt_data **crypt;
|
|
struct rtllib_security sec = {
|
.flags = 0,
|
};
|
idx = encoding->flags & IW_ENCODE_INDEX;
|
if (idx) {
|
if (idx < 1 || idx > NUM_WEP_KEYS)
|
return -EINVAL;
|
idx--;
|
} else {
|
idx = ieee->crypt_info.tx_keyidx;
|
}
|
if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) {
|
crypt = &ieee->crypt_info.crypt[idx];
|
group_key = 1;
|
} else {
|
/* some Cisco APs use idx>0 for unicast in dynamic WEP */
|
if (idx != 0 && ext->alg != IW_ENCODE_ALG_WEP)
|
return -EINVAL;
|
if (ieee->iw_mode == IW_MODE_INFRA)
|
crypt = &ieee->crypt_info.crypt[idx];
|
else
|
return -EINVAL;
|
}
|
|
sec.flags |= SEC_ENABLED;
|
if ((encoding->flags & IW_ENCODE_DISABLED) ||
|
ext->alg == IW_ENCODE_ALG_NONE) {
|
if (*crypt)
|
lib80211_crypt_delayed_deinit(&ieee->crypt_info, crypt);
|
|
for (i = 0; i < NUM_WEP_KEYS; i++) {
|
if (ieee->crypt_info.crypt[i] != NULL)
|
break;
|
}
|
if (i == NUM_WEP_KEYS) {
|
sec.enabled = 0;
|
sec.level = SEC_LEVEL_0;
|
sec.flags |= SEC_LEVEL;
|
}
|
goto done;
|
}
|
|
sec.enabled = 1;
|
switch (ext->alg) {
|
case IW_ENCODE_ALG_WEP:
|
alg = "R-WEP";
|
module = "rtllib_crypt_wep";
|
break;
|
case IW_ENCODE_ALG_TKIP:
|
alg = "R-TKIP";
|
module = "rtllib_crypt_tkip";
|
break;
|
case IW_ENCODE_ALG_CCMP:
|
alg = "R-CCMP";
|
module = "rtllib_crypt_ccmp";
|
break;
|
default:
|
netdev_dbg(ieee->dev, "Unknown crypto alg %d\n", ext->alg);
|
ret = -EINVAL;
|
goto done;
|
}
|
netdev_dbg(dev, "alg name:%s\n", alg);
|
|
ops = lib80211_get_crypto_ops(alg);
|
if (ops == NULL) {
|
char tempbuf[100];
|
|
memset(tempbuf, 0x00, 100);
|
sprintf(tempbuf, "%s", module);
|
request_module("%s", tempbuf);
|
ops = lib80211_get_crypto_ops(alg);
|
}
|
if (ops == NULL) {
|
netdev_info(dev, "========>unknown crypto alg %d\n", ext->alg);
|
ret = -EINVAL;
|
goto done;
|
}
|
|
if (*crypt == NULL || (*crypt)->ops != ops) {
|
struct lib80211_crypt_data *new_crypt;
|
|
lib80211_crypt_delayed_deinit(&ieee->crypt_info, crypt);
|
|
new_crypt = kzalloc(sizeof(*new_crypt), GFP_KERNEL);
|
if (new_crypt == NULL) {
|
ret = -ENOMEM;
|
goto done;
|
}
|
new_crypt->ops = ops;
|
if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
|
new_crypt->priv = new_crypt->ops->init(idx);
|
|
if (new_crypt->priv == NULL) {
|
kfree(new_crypt);
|
ret = -EINVAL;
|
goto done;
|
}
|
*crypt = new_crypt;
|
|
}
|
|
if (ext->key_len > 0 && (*crypt)->ops->set_key &&
|
(*crypt)->ops->set_key(ext->key, ext->key_len, ext->rx_seq,
|
(*crypt)->priv) < 0) {
|
netdev_info(dev, "key setting failed\n");
|
ret = -EINVAL;
|
goto done;
|
}
|
if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
|
ieee->crypt_info.tx_keyidx = idx;
|
sec.active_key = idx;
|
sec.flags |= SEC_ACTIVE_KEY;
|
}
|
if (ext->alg != IW_ENCODE_ALG_NONE) {
|
sec.key_sizes[idx] = ext->key_len;
|
sec.flags |= (1 << idx);
|
if (ext->alg == IW_ENCODE_ALG_WEP) {
|
sec.flags |= SEC_LEVEL;
|
sec.level = SEC_LEVEL_1;
|
} else if (ext->alg == IW_ENCODE_ALG_TKIP) {
|
sec.flags |= SEC_LEVEL;
|
sec.level = SEC_LEVEL_2;
|
} else if (ext->alg == IW_ENCODE_ALG_CCMP) {
|
sec.flags |= SEC_LEVEL;
|
sec.level = SEC_LEVEL_3;
|
}
|
/* Don't set sec level for group keys. */
|
if (group_key)
|
sec.flags &= ~SEC_LEVEL;
|
}
|
done:
|
if (ieee->set_security)
|
ieee->set_security(ieee->dev, &sec);
|
|
if (ieee->reset_on_keychange &&
|
ieee->iw_mode != IW_MODE_INFRA &&
|
ieee->reset_port && ieee->reset_port(dev)) {
|
netdev_dbg(ieee->dev, "Port reset failed\n");
|
return -EINVAL;
|
}
|
return ret;
|
}
|
EXPORT_SYMBOL(rtllib_wx_set_encode_ext);
|
|
int rtllib_wx_set_mlme(struct rtllib_device *ieee,
|
struct iw_request_info *info,
|
union iwreq_data *wrqu, char *extra)
|
{
|
u8 i = 0;
|
bool deauth = false;
|
struct iw_mlme *mlme = (struct iw_mlme *) extra;
|
|
if (ieee->state != RTLLIB_LINKED)
|
return -ENOLINK;
|
|
mutex_lock(&ieee->wx_mutex);
|
|
switch (mlme->cmd) {
|
case IW_MLME_DEAUTH:
|
deauth = true;
|
fallthrough;
|
case IW_MLME_DISASSOC:
|
if (deauth)
|
netdev_info(ieee->dev, "disauth packet !\n");
|
else
|
netdev_info(ieee->dev, "dis associate packet!\n");
|
|
ieee->cannot_notify = true;
|
|
SendDisassociation(ieee, deauth, mlme->reason_code);
|
rtllib_disassociate(ieee);
|
|
ieee->wap_set = 0;
|
for (i = 0; i < 6; i++)
|
ieee->current_network.bssid[i] = 0x55;
|
|
ieee->ssid_set = 0;
|
ieee->current_network.ssid[0] = '\0';
|
ieee->current_network.ssid_len = 0;
|
break;
|
default:
|
mutex_unlock(&ieee->wx_mutex);
|
return -EOPNOTSUPP;
|
}
|
|
mutex_unlock(&ieee->wx_mutex);
|
|
return 0;
|
}
|
EXPORT_SYMBOL(rtllib_wx_set_mlme);
|
|
int rtllib_wx_set_auth(struct rtllib_device *ieee,
|
struct iw_request_info *info,
|
struct iw_param *data, char *extra)
|
{
|
switch (data->flags & IW_AUTH_INDEX) {
|
case IW_AUTH_WPA_VERSION:
|
break;
|
case IW_AUTH_CIPHER_PAIRWISE:
|
case IW_AUTH_CIPHER_GROUP:
|
case IW_AUTH_KEY_MGMT:
|
/* Host AP driver does not use these parameters and allows
|
* wpa_supplicant to control them internally.
|
*/
|
break;
|
case IW_AUTH_TKIP_COUNTERMEASURES:
|
ieee->tkip_countermeasures = data->value;
|
break;
|
case IW_AUTH_DROP_UNENCRYPTED:
|
ieee->drop_unencrypted = data->value;
|
break;
|
|
case IW_AUTH_80211_AUTH_ALG:
|
if (data->value & IW_AUTH_ALG_SHARED_KEY) {
|
ieee->open_wep = 0;
|
ieee->auth_mode = 1;
|
} else if (data->value & IW_AUTH_ALG_OPEN_SYSTEM) {
|
ieee->open_wep = 1;
|
ieee->auth_mode = 0;
|
} else if (data->value & IW_AUTH_ALG_LEAP) {
|
ieee->open_wep = 1;
|
ieee->auth_mode = 2;
|
} else
|
return -EINVAL;
|
break;
|
|
case IW_AUTH_WPA_ENABLED:
|
ieee->wpa_enabled = (data->value) ? 1 : 0;
|
break;
|
|
case IW_AUTH_RX_UNENCRYPTED_EAPOL:
|
ieee->ieee802_1x = data->value;
|
break;
|
case IW_AUTH_PRIVACY_INVOKED:
|
ieee->privacy_invoked = data->value;
|
break;
|
default:
|
return -EOPNOTSUPP;
|
}
|
return 0;
|
}
|
EXPORT_SYMBOL(rtllib_wx_set_auth);
|
|
int rtllib_wx_set_gen_ie(struct rtllib_device *ieee, u8 *ie, size_t len)
|
{
|
u8 *buf;
|
u8 eid, wps_oui[4] = {0x0, 0x50, 0xf2, 0x04};
|
|
if (len > MAX_WPA_IE_LEN || (len && ie == NULL))
|
return -EINVAL;
|
|
if (len) {
|
eid = ie[0];
|
if ((eid == MFIE_TYPE_GENERIC) && (!memcmp(&ie[2],
|
wps_oui, 4))) {
|
|
ieee->wps_ie_len = min_t(size_t, len, MAX_WZC_IE_LEN);
|
buf = kmemdup(ie, ieee->wps_ie_len, GFP_KERNEL);
|
if (buf == NULL)
|
return -ENOMEM;
|
ieee->wps_ie = buf;
|
return 0;
|
}
|
}
|
ieee->wps_ie_len = 0;
|
kfree(ieee->wps_ie);
|
ieee->wps_ie = NULL;
|
if (len) {
|
if (len != ie[1]+2)
|
return -EINVAL;
|
buf = kmemdup(ie, len, GFP_KERNEL);
|
if (buf == NULL)
|
return -ENOMEM;
|
kfree(ieee->wpa_ie);
|
ieee->wpa_ie = buf;
|
ieee->wpa_ie_len = len;
|
} else {
|
kfree(ieee->wpa_ie);
|
ieee->wpa_ie = NULL;
|
ieee->wpa_ie_len = 0;
|
}
|
return 0;
|
}
|
EXPORT_SYMBOL(rtllib_wx_set_gen_ie);
|
