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authorJouni Malinen <jouni.malinen@atheros.com>2010-12-13 11:20:55 +0200
committerJouni Malinen <j@w1.fi>2010-12-13 11:20:55 +0200
commitb39f58347d1e27f145a71bb5e6cda5ebd7853877 (patch)
treea4fc55da5ddb8b121f11e986fcbd8f395a25dd10 /wlantest
parent89c38e32c7ed6edf7713370615fca83a36d37f9a (diff)
downloadexternal_wpa_supplicant_8_ti-b39f58347d1e27f145a71bb5e6cda5ebd7853877.zip
external_wpa_supplicant_8_ti-b39f58347d1e27f145a71bb5e6cda5ebd7853877.tar.gz
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wlantest: Add support for decrypting TDLS frames
Derive TPK based on TDLS TPK Handshake and decrypt frames on the direct link with TPK-TK.
Diffstat (limited to 'wlantest')
-rw-r--r--wlantest/Makefile1
-rw-r--r--wlantest/bss.c4
-rw-r--r--wlantest/rx_data.c49
-rw-r--r--wlantest/rx_tdls.c352
-rw-r--r--wlantest/wlantest.h17
5 files changed, 415 insertions, 8 deletions
diff --git a/wlantest/Makefile b/wlantest/Makefile
index 6d4416a..378efab 100644
--- a/wlantest/Makefile
+++ b/wlantest/Makefile
@@ -58,6 +58,7 @@ OBJS += rx_mgmt.o
OBJS += rx_data.o
OBJS += rx_eapol.o
OBJS += rx_ip.o
+OBJS += rx_tdls.o
OBJS += bss.o
OBJS += sta.o
OBJS += crc32.o
diff --git a/wlantest/bss.c b/wlantest/bss.c
index 88064a5..e7942af 100644
--- a/wlantest/bss.c
+++ b/wlantest/bss.c
@@ -50,6 +50,7 @@ struct wlantest_bss * bss_get(struct wlantest *wt, const u8 *bssid)
return NULL;
dl_list_init(&bss->sta);
dl_list_init(&bss->pmk);
+ dl_list_init(&bss->tdls);
os_memcpy(bss->bssid, bssid, ETH_ALEN);
dl_list_add(&wt->bss, &bss->list);
wpa_printf(MSG_DEBUG, "Discovered new BSS - " MACSTR,
@@ -69,10 +70,13 @@ void bss_deinit(struct wlantest_bss *bss)
{
struct wlantest_sta *sta, *n;
struct wlantest_pmk *pmk, *np;
+ struct wlantest_tdls *tdls, *nt;
dl_list_for_each_safe(sta, n, &bss->sta, struct wlantest_sta, list)
sta_deinit(sta);
dl_list_for_each_safe(pmk, np, &bss->pmk, struct wlantest_pmk, list)
pmk_deinit(pmk);
+ dl_list_for_each_safe(tdls, nt, &bss->tdls, struct wlantest_tdls, list)
+ os_free(tdls);
dl_list_del(&bss->list);
os_free(bss);
}
diff --git a/wlantest/rx_data.c b/wlantest/rx_data.c
index a344054..c094929 100644
--- a/wlantest/rx_data.c
+++ b/wlantest/rx_data.c
@@ -70,6 +70,9 @@ static void rx_data_eth(struct wlantest *wt, const u8 *bssid,
case ETH_P_IP:
rx_data_ip(wt, bssid, sta_addr, dst, src, data, len);
break;
+ case 0x890d:
+ rx_data_80211_encap(wt, bssid, sta_addr, dst, src, data, len);
+ break;
}
}
@@ -182,13 +185,15 @@ static void rx_data_bss_prot(struct wlantest *wt,
size_t len)
{
struct wlantest_bss *bss;
- struct wlantest_sta *sta;
+ struct wlantest_sta *sta, *sta2;
int keyid;
u16 fc = le_to_host16(hdr->frame_control);
u8 *decrypted;
size_t dlen;
int tid;
u8 pn[6], *rsc;
+ struct wlantest_tdls *tdls = NULL;
+ const u8 *tk = NULL;
if (hdr->addr1[0] & 0x01) {
rx_data_bss_prot_group(wt, hdr, qos, dst, src, data, len);
@@ -200,13 +205,32 @@ static void rx_data_bss_prot(struct wlantest *wt,
if (bss == NULL)
return;
sta = sta_get(bss, hdr->addr2);
- } else {
+ } else if (fc & WLAN_FC_FROMDS) {
bss = bss_get(wt, hdr->addr2);
if (bss == NULL)
return;
sta = sta_get(bss, hdr->addr1);
+ } else {
+ bss = bss_get(wt, hdr->addr3);
+ if (bss == NULL)
+ return;
+ sta = sta_find(bss, hdr->addr2);
+ sta2 = sta_find(bss, hdr->addr1);
+ if (sta == NULL || sta2 == NULL)
+ return;
+ dl_list_for_each(tdls, &bss->tdls, struct wlantest_tdls, list)
+ {
+ if ((tdls->init == sta && tdls->resp == sta2) ||
+ (tdls->init == sta2 && tdls->resp == sta)) {
+ if (!tdls->link_up)
+ wpa_printf(MSG_DEBUG, "TDLS: Link not "
+ "up, but Data frame seen");
+ tk = tdls->tpk.tk;
+ break;
+ }
+ }
}
- if (sta == NULL || !sta->ptk_set) {
+ if ((sta == NULL || !sta->ptk_set) && tk == NULL) {
wpa_printf(MSG_MSGDUMP, "No PTK known to decrypt the frame");
return;
}
@@ -224,7 +248,7 @@ static void rx_data_bss_prot(struct wlantest *wt,
return;
}
- if (sta->pairwise_cipher == WPA_CIPHER_TKIP) {
+ if (tk == NULL && sta->pairwise_cipher == WPA_CIPHER_TKIP) {
if (data[3] & 0x1f) {
wpa_printf(MSG_INFO, "TKIP frame from " MACSTR " used "
"non-zero reserved bit",
@@ -237,7 +261,7 @@ static void rx_data_bss_prot(struct wlantest *wt,
MAC2STR(hdr->addr2), data[1],
(data[0] | 0x20) & 0x7f);
}
- } else if (sta->pairwise_cipher == WPA_CIPHER_CCMP) {
+ } else if (tk || sta->pairwise_cipher == WPA_CIPHER_CCMP) {
if (data[2] != 0 || (data[3] & 0x1f) != 0) {
wpa_printf(MSG_INFO, "CCMP frame from " MACSTR " used "
"non-zero reserved bit",
@@ -256,13 +280,18 @@ static void rx_data_bss_prot(struct wlantest *wt,
tid = qos[0] & 0x0f;
else
tid = 0;
- if (fc & WLAN_FC_TODS)
+ if (tk) {
+ if (os_memcmp(hdr->addr2, tdls->init->addr, ETH_ALEN) == 0)
+ rsc = tdls->rsc_init[tid];
+ else
+ rsc = tdls->rsc_resp[tid];
+ } else if (fc & WLAN_FC_TODS)
rsc = sta->rsc_tods[tid];
else
rsc = sta->rsc_fromds[tid];
- if (sta->pairwise_cipher == WPA_CIPHER_TKIP)
+ if (tk == NULL && sta->pairwise_cipher == WPA_CIPHER_TKIP)
tkip_get_pn(pn, data);
else
ccmp_get_pn(pn, data);
@@ -273,7 +302,9 @@ static void rx_data_bss_prot(struct wlantest *wt,
wpa_hexdump(MSG_INFO, "RSC", rsc, 6);
}
- if (sta->pairwise_cipher == WPA_CIPHER_TKIP)
+ if (tk)
+ decrypted = ccmp_decrypt(tk, hdr, data, len, &dlen);
+ else if (sta->pairwise_cipher == WPA_CIPHER_TKIP)
decrypted = tkip_decrypt(sta->ptk.tk1, hdr, data, len, &dlen);
else
decrypted = ccmp_decrypt(sta->ptk.tk1, hdr, data, len, &dlen);
@@ -362,6 +393,8 @@ void rx_data(struct wlantest *wt, const u8 *data, size_t len)
fc & WLAN_FC_ISWEP ? " Prot" : "",
MAC2STR(hdr->addr1), MAC2STR(hdr->addr2),
MAC2STR(hdr->addr3));
+ rx_data_bss(wt, hdr, qos, hdr->addr1, hdr->addr2,
+ data + hdrlen, len - hdrlen);
break;
case WLAN_FC_FROMDS:
wpa_printf(MSG_EXCESSIVE, "DATA %s%s%s FromDS DA=" MACSTR
diff --git a/wlantest/rx_tdls.c b/wlantest/rx_tdls.c
new file mode 100644
index 0000000..3b41b48
--- /dev/null
+++ b/wlantest/rx_tdls.c
@@ -0,0 +1,352 @@
+/*
+ * Received Data frame processing for TDLS packets
+ * Copyright (c) 2010, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "utils/includes.h"
+
+#include "utils/common.h"
+#include "crypto/sha256.h"
+#include "crypto/crypto.h"
+#include "crypto/aes_wrap.h"
+#include "common/ieee802_11_defs.h"
+#include "common/ieee802_11_common.h"
+#include "wlantest.h"
+
+
+static struct wlantest_tdls * get_tdls(struct wlantest *wt, const u8 *linkid)
+{
+ struct wlantest_bss *bss;
+ struct wlantest_sta *init, *resp;
+ struct wlantest_tdls *tdls;
+
+ bss = bss_find(wt, linkid);
+ if (bss == NULL)
+ return NULL;
+
+ init = sta_find(bss, linkid + ETH_ALEN);
+ if (init == NULL)
+ return NULL;
+
+ resp = sta_find(bss, linkid + 2 * ETH_ALEN);
+ if (resp == NULL)
+ return NULL;
+
+ dl_list_for_each(tdls, &bss->tdls, struct wlantest_tdls, list) {
+ if (tdls->init == init && tdls->resp == resp)
+ return tdls;
+ }
+
+ tdls = os_zalloc(sizeof(*tdls));
+ if (tdls == NULL)
+ return NULL;
+ tdls->init = init;
+ tdls->resp = resp;
+ dl_list_add(&bss->tdls, &tdls->list);
+ return tdls;
+}
+
+
+static int tdls_derive_tpk(struct wlantest_tdls *tdls, const u8 *bssid,
+ const u8 *ftie, u8 ftie_len)
+{
+ const struct rsn_ftie *f;
+ u8 key_input[SHA256_MAC_LEN];
+ const u8 *nonce[2];
+ size_t len[2];
+ u8 data[3 * ETH_ALEN];
+
+ if (ftie == NULL || ftie_len < sizeof(struct rsn_ftie))
+ return 0;
+
+ f = (const struct rsn_ftie *) ftie;
+ wpa_hexdump(MSG_DEBUG, "TDLS ANonce", f->anonce, WPA_NONCE_LEN);
+ wpa_hexdump(MSG_DEBUG, "TDLS SNonce", f->snonce, WPA_NONCE_LEN);
+
+ /*
+ * IEEE Std 802.11z-2010 8.5.9.1:
+ * TPK-Key-Input = SHA-256(min(SNonce, ANonce) || max(SNonce, ANonce))
+ */
+ len[0] = WPA_NONCE_LEN;
+ len[1] = WPA_NONCE_LEN;
+ if (os_memcmp(f->anonce, f->snonce, WPA_NONCE_LEN) < 0) {
+ nonce[0] = f->anonce;
+ nonce[1] = f->snonce;
+ } else {
+ nonce[0] = f->snonce;
+ nonce[1] = f->anonce;
+ }
+ sha256_vector(2, nonce, len, key_input);
+ wpa_hexdump_key(MSG_DEBUG, "TDLS: TPK-Key-Input",
+ key_input, SHA256_MAC_LEN);
+
+ /*
+ * TPK-Key-Data = KDF-N_KEY(TPK-Key-Input, "TDLS PMK",
+ * min(MAC_I, MAC_R) || max(MAC_I, MAC_R) || BSSID || N_KEY)
+ * TODO: is N_KEY really included in KDF Context and if so, in which
+ * presentation format (little endian 16-bit?) is it used? It gets
+ * added by the KDF anyway..
+ */
+
+ if (os_memcmp(tdls->init->addr, tdls->resp->addr, ETH_ALEN) < 0) {
+ os_memcpy(data, tdls->init->addr, ETH_ALEN);
+ os_memcpy(data + ETH_ALEN, tdls->resp->addr, ETH_ALEN);
+ } else {
+ os_memcpy(data, tdls->resp->addr, ETH_ALEN);
+ os_memcpy(data + ETH_ALEN, tdls->init->addr, ETH_ALEN);
+ }
+ os_memcpy(data + 2 * ETH_ALEN, bssid, ETH_ALEN);
+ wpa_hexdump(MSG_DEBUG, "TDLS: KDF Context", data, sizeof(data));
+
+ sha256_prf(key_input, SHA256_MAC_LEN, "TDLS PMK", data, sizeof(data),
+ (u8 *) &tdls->tpk, sizeof(tdls->tpk));
+ wpa_hexdump_key(MSG_DEBUG, "TDLS: TPK-KCK",
+ tdls->tpk.kck, sizeof(tdls->tpk.kck));
+ wpa_hexdump_key(MSG_DEBUG, "TDLS: TPK-TK",
+ tdls->tpk.tk, sizeof(tdls->tpk.tk));
+
+ return 1;
+}
+
+
+static int tdls_verify_mic(struct wlantest_tdls *tdls, u8 trans_seq,
+ struct ieee802_11_elems *elems)
+{
+ u8 *buf, *pos;
+ int len;
+ u8 mic[16];
+ int ret;
+ const struct rsn_ftie *rx_ftie;
+ struct rsn_ftie *tmp_ftie;
+
+ if (elems->link_id == NULL || elems->rsn_ie == NULL ||
+ elems->timeout_int == NULL || elems->ftie == NULL)
+ return -1;
+
+ len = 2 * ETH_ALEN + 1 + 2 + 18 + 2 + elems->rsn_ie_len +
+ 2 + elems->timeout_int_len + 2 + elems->ftie_len;
+
+ buf = os_zalloc(len);
+ if (buf == NULL)
+ return -1;
+
+ pos = buf;
+ /* 1) TDLS initiator STA MAC address */
+ os_memcpy(pos, elems->link_id + ETH_ALEN, ETH_ALEN);
+ pos += ETH_ALEN;
+ /* 2) TDLS responder STA MAC address */
+ os_memcpy(pos, elems->link_id + 2 * ETH_ALEN, ETH_ALEN);
+ pos += ETH_ALEN;
+ /* 3) Transaction Sequence number */
+ *pos++ = trans_seq;
+ /* 4) Link Identifier IE */
+ os_memcpy(pos, elems->link_id - 2, 2 + 18);
+ pos += 2 + 18;
+ /* 5) RSN IE */
+ os_memcpy(pos, elems->rsn_ie - 2, 2 + elems->rsn_ie_len);
+ pos += 2 + elems->rsn_ie_len;
+ /* 6) Timeout Interval IE */
+ os_memcpy(pos, elems->timeout_int - 2, 2 + elems->timeout_int_len);
+ pos += 2 + elems->timeout_int_len;
+ /* 7) FTIE, with the MIC field of the FTIE set to 0 */
+ os_memcpy(pos, elems->ftie - 2, 2 + elems->ftie_len);
+ pos += 2;
+ tmp_ftie = (struct rsn_ftie *) pos;
+ os_memset(tmp_ftie->mic, 0, 16);
+ pos += elems->ftie_len;
+
+ wpa_hexdump(MSG_DEBUG, "TDLS: Data for FTIE MIC", buf, pos - buf);
+ wpa_hexdump_key(MSG_DEBUG, "TDLS: KCK", tdls->tpk.kck, 16);
+ ret = omac1_aes_128(tdls->tpk.kck, buf, pos - buf, mic);
+ os_free(buf);
+ if (ret)
+ return -1;
+ wpa_hexdump(MSG_DEBUG, "TDLS: FTIE MIC", mic, 16);
+ rx_ftie = (const struct rsn_ftie *) elems->ftie;
+
+ if (os_memcmp(mic, rx_ftie->mic, 16) == 0) {
+ wpa_printf(MSG_DEBUG, "TDLS: Valid MIC");
+ return 0;
+ }
+ wpa_printf(MSG_DEBUG, "TDLS: Invalid MIC");
+ return -1;
+}
+
+
+static void rx_data_tdls_setup_request(struct wlantest *wt, const u8 *bssid,
+ const u8 *sta_addr, const u8 *dst,
+ const u8 *src,
+ const u8 *data, size_t len)
+{
+ struct ieee802_11_elems elems;
+
+ if (len < 3)
+ return;
+ wpa_printf(MSG_DEBUG, "TDLS Setup Request " MACSTR " -> "
+ MACSTR, MAC2STR(src), MAC2STR(dst));
+
+ if (ieee802_11_parse_elems(data + 3, len - 3, &elems, 1) ==
+ ParseFailed || elems.link_id == NULL)
+ return;
+ wpa_printf(MSG_DEBUG, "TDLS Link Identifier: BSSID " MACSTR
+ " initiator STA " MACSTR " responder STA " MACSTR,
+ MAC2STR(elems.link_id), MAC2STR(elems.link_id + ETH_ALEN),
+ MAC2STR(elems.link_id + 2 * ETH_ALEN));
+}
+
+
+static void rx_data_tdls_setup_response(struct wlantest *wt, const u8 *bssid,
+ const u8 *sta_addr, const u8 *dst,
+ const u8 *src,
+ const u8 *data, size_t len)
+{
+ u16 status;
+ struct ieee802_11_elems elems;
+ struct wlantest_tdls *tdls;
+
+ if (len < 5)
+ return;
+ status = WPA_GET_LE16(data);
+ wpa_printf(MSG_DEBUG, "TDLS Setup Response " MACSTR " -> "
+ MACSTR " (status %d)",
+ MAC2STR(src), MAC2STR(dst), status);
+ if (status != WLAN_STATUS_SUCCESS)
+ return;
+
+ if (ieee802_11_parse_elems(data + 5, len - 5, &elems, 1) ==
+ ParseFailed || elems.link_id == NULL)
+ return;
+ wpa_printf(MSG_DEBUG, "TDLS Link Identifier: BSSID " MACSTR
+ " initiator STA " MACSTR " responder STA " MACSTR,
+ MAC2STR(elems.link_id), MAC2STR(elems.link_id + ETH_ALEN),
+ MAC2STR(elems.link_id + 2 * ETH_ALEN));
+
+ tdls = get_tdls(wt, elems.link_id);
+ if (!tdls)
+ return;
+ if (tdls_derive_tpk(tdls, bssid, elems.ftie, elems.ftie_len) < 1)
+ return;
+ tdls_verify_mic(tdls, 2, &elems);
+}
+
+
+static void rx_data_tdls_setup_confirm(struct wlantest *wt, const u8 *bssid,
+ const u8 *sta_addr, const u8 *dst,
+ const u8 *src,
+ const u8 *data, size_t len)
+{
+ u16 status;
+ struct ieee802_11_elems elems;
+ struct wlantest_tdls *tdls;
+
+ if (len < 3)
+ return;
+ status = WPA_GET_LE16(data);
+ wpa_printf(MSG_DEBUG, "TDLS Setup Confirm " MACSTR " -> "
+ MACSTR " (status %d)",
+ MAC2STR(src), MAC2STR(dst), status);
+ if (status != WLAN_STATUS_SUCCESS)
+ return;
+
+ if (ieee802_11_parse_elems(data + 3, len - 3, &elems, 1) ==
+ ParseFailed || elems.link_id == NULL)
+ return;
+ wpa_printf(MSG_DEBUG, "TDLS Link Identifier: BSSID " MACSTR
+ " initiator STA " MACSTR " responder STA " MACSTR,
+ MAC2STR(elems.link_id), MAC2STR(elems.link_id + ETH_ALEN),
+ MAC2STR(elems.link_id + 2 * ETH_ALEN));
+
+ tdls = get_tdls(wt, elems.link_id);
+ if (tdls)
+ tdls->link_up = 1;
+ if (tdls_derive_tpk(tdls, bssid, elems.ftie, elems.ftie_len) < 1)
+ return;
+ tdls_verify_mic(tdls, 3, &elems);
+}
+
+
+static void rx_data_tdls_teardown(struct wlantest *wt, const u8 *bssid,
+ const u8 *sta_addr, const u8 *dst,
+ const u8 *src,
+ const u8 *data, size_t len)
+{
+ u16 reason;
+ struct ieee802_11_elems elems;
+ struct wlantest_tdls *tdls;
+
+ if (len < 2)
+ return;
+ reason = WPA_GET_LE16(data);
+ wpa_printf(MSG_DEBUG, "TDLS Teardown " MACSTR " -> "
+ MACSTR " (reason %d)",
+ MAC2STR(src), MAC2STR(dst), reason);
+
+ if (ieee802_11_parse_elems(data + 2, len - 2, &elems, 1) ==
+ ParseFailed || elems.link_id == NULL)
+ return;
+ wpa_printf(MSG_DEBUG, "TDLS Link Identifier: BSSID " MACSTR
+ " initiator STA " MACSTR " responder STA " MACSTR,
+ MAC2STR(elems.link_id), MAC2STR(elems.link_id + ETH_ALEN),
+ MAC2STR(elems.link_id + 2 * ETH_ALEN));
+
+ tdls = get_tdls(wt, elems.link_id);
+ if (tdls)
+ tdls->link_up = 0;
+}
+
+
+static void rx_data_tdls(struct wlantest *wt, const u8 *bssid,
+ const u8 *sta_addr, const u8 *dst, const u8 *src,
+ const u8 *data, size_t len)
+{
+ /* data contains the payload of a TDLS Action frame */
+ if (len < 2 || data[0] != WLAN_ACTION_TDLS) {
+ wpa_hexdump(MSG_DEBUG, "Unrecognized encapsulated TDLS frame",
+ data, len);
+ return;
+ }
+
+ switch (data[1]) {
+ case WLAN_TDLS_SETUP_REQUEST:
+ rx_data_tdls_setup_request(wt, bssid, sta_addr, dst, src,
+ data + 2, len - 2);
+ break;
+ case WLAN_TDLS_SETUP_RESPONSE:
+ rx_data_tdls_setup_response(wt, bssid, sta_addr, dst, src,
+ data + 2, len - 2);
+ break;
+ case WLAN_TDLS_SETUP_CONFIRM:
+ rx_data_tdls_setup_confirm(wt, bssid, sta_addr, dst, src,
+ data + 2, len - 2);
+ break;
+ case WLAN_TDLS_TEARDOWN:
+ rx_data_tdls_teardown(wt, bssid, sta_addr, dst, src, data + 2,
+ len - 2);
+ break;
+ case WLAN_TDLS_DISCOVERY_REQUEST:
+ wpa_printf(MSG_DEBUG, "TDLS Discovery Request " MACSTR " -> "
+ MACSTR, MAC2STR(src), MAC2STR(dst));
+ break;
+ }
+}
+
+
+void rx_data_80211_encap(struct wlantest *wt, const u8 *bssid,
+ const u8 *sta_addr, const u8 *dst, const u8 *src,
+ const u8 *data, size_t len)
+{
+ wpa_hexdump(MSG_EXCESSIVE, "802.11 data encap frame", data, len);
+ if (len < 1)
+ return;
+ if (data[0] == 0x02)
+ rx_data_tdls(wt, bssid, sta_addr, dst, src, data + 1, len - 1);
+}
diff --git a/wlantest/wlantest.h b/wlantest/wlantest.h
index 35e5135..be5406f 100644
--- a/wlantest/wlantest.h
+++ b/wlantest/wlantest.h
@@ -84,6 +84,19 @@ struct wlantest_sta {
le16 seq_ctrl_to_ap[17];
};
+struct wlantest_tdls {
+ struct dl_list list;
+ struct wlantest_sta *init;
+ struct wlantest_sta *resp;
+ struct tpk {
+ u8 kck[16];
+ u8 tk[16];
+ } tpk;
+ int link_up;
+ u8 rsc_init[16 + 1][6];
+ u8 rsc_resp[16 + 1][6];
+};
+
struct wlantest_bss {
struct dl_list list;
u8 bssid[ETH_ALEN];
@@ -111,6 +124,7 @@ struct wlantest_bss {
int igtk_idx;
u8 ipn[6][6];
u32 counters[NUM_WLANTEST_BSS_COUNTER];
+ struct dl_list tdls; /* struct wlantest_tdls */
};
struct wlantest_radius {
@@ -167,6 +181,9 @@ void rx_data_eapol(struct wlantest *wt, const u8 *dst, const u8 *src,
const u8 *data, size_t len, int prot);
void rx_data_ip(struct wlantest *wt, const u8 *bssid, const u8 *sta_addr,
const u8 *dst, const u8 *src, const u8 *data, size_t len);
+void rx_data_80211_encap(struct wlantest *wt, const u8 *bssid,
+ const u8 *sta_addr, const u8 *dst, const u8 *src,
+ const u8 *data, size_t len);
struct wlantest_bss * bss_find(struct wlantest *wt, const u8 *bssid);
struct wlantest_bss * bss_get(struct wlantest *wt, const u8 *bssid);