TDLS: Allow TDLS to be disabled at runtime for testing purposes

Control interface command 'SET tdls_disabled <1/0>' can now be used
to disable/enable TDLS at runtime. This is mainly for testing
purposes.
This commit is contained in:
Jouni Malinen 2011-03-24 20:44:17 +02:00 committed by Jouni Malinen
parent 78177a000e
commit b8f64582e3
5 changed files with 37 additions and 1 deletions

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@ -699,7 +699,9 @@ enum tdls_oper {
TDLS_SETUP, TDLS_SETUP,
TDLS_TEARDOWN, TDLS_TEARDOWN,
TDLS_ENABLE_LINK, TDLS_ENABLE_LINK,
TDLS_DISABLE_LINK TDLS_DISABLE_LINK,
TDLS_ENABLE,
TDLS_DISABLE
}; };
/** /**

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@ -625,6 +625,9 @@ int wpa_tdls_recv_teardown_notify(struct wpa_sm *sm, const u8 *addr,
u8 *rbuf, *pos; u8 *rbuf, *pos;
int ielen; int ielen;
if (sm->tdls_disabled)
return -1;
/* Find the node and free from the list */ /* Find the node and free from the list */
for (peer = sm->tdls; peer; peer = peer->next) { for (peer = sm->tdls; peer; peer = peer->next) {
if (os_memcmp(peer->addr, addr, ETH_ALEN) == 0) if (os_memcmp(peer->addr, addr, ETH_ALEN) == 0)
@ -1825,6 +1828,9 @@ int wpa_tdls_start(struct wpa_sm *sm, const u8 *addr)
struct wpa_tdls_peer *peer; struct wpa_tdls_peer *peer;
int tdls_prohibited = sm->tdls_prohibited; int tdls_prohibited = sm->tdls_prohibited;
if (sm->tdls_disabled)
return -1;
#ifdef CONFIG_TDLS_TESTING #ifdef CONFIG_TDLS_TESTING
if ((tdls_testing & TDLS_TESTING_IGNORE_AP_PROHIBIT) && if ((tdls_testing & TDLS_TESTING_IGNORE_AP_PROHIBIT) &&
tdls_prohibited) { tdls_prohibited) {
@ -1869,6 +1875,9 @@ int wpa_tdls_reneg(struct wpa_sm *sm, const u8 *addr)
{ {
struct wpa_tdls_peer *peer; struct wpa_tdls_peer *peer;
if (sm->tdls_disabled)
return -1;
for (peer = sm->tdls; peer; peer = peer->next) { for (peer = sm->tdls; peer; peer = peer->next) {
if (os_memcmp(peer->addr, addr, ETH_ALEN) == 0) if (os_memcmp(peer->addr, addr, ETH_ALEN) == 0)
break; break;
@ -1895,6 +1904,11 @@ static void wpa_supplicant_rx_tdls(void *ctx, const u8 *src_addr,
wpa_hexdump(MSG_DEBUG, "TDLS: Received Data frame encapsulation", wpa_hexdump(MSG_DEBUG, "TDLS: Received Data frame encapsulation",
buf, len); buf, len);
if (sm->tdls_disabled) {
wpa_printf(MSG_DEBUG, "TDLS: Discard message - TDLS disabled");
return;
}
if (os_memcmp(src_addr, sm->own_addr, ETH_ALEN) == 0) { if (os_memcmp(src_addr, sm->own_addr, ETH_ALEN) == 0) {
wpa_printf(MSG_DEBUG, "TDLS: Discard copy of own message"); wpa_printf(MSG_DEBUG, "TDLS: Discard copy of own message");
return; return;
@ -2051,3 +2065,10 @@ void wpa_tdls_assoc_resp_ies(struct wpa_sm *sm, const u8 *ies, size_t len)
sm->tdls_prohibited = 1; sm->tdls_prohibited = 1;
} }
} }
void wpa_tdls_enable(struct wpa_sm *sm, int enabled)
{
wpa_printf(MSG_DEBUG, "TDLS: %s", enabled ? "enabled" : "disabled");
sm->tdls_disabled = !enabled;
}

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@ -346,5 +346,6 @@ int wpa_tdls_recv_teardown_notify(struct wpa_sm *sm, const u8 *addr,
u16 reason_code); u16 reason_code);
int wpa_tdls_init(struct wpa_sm *sm); int wpa_tdls_init(struct wpa_sm *sm);
void wpa_tdls_deinit(struct wpa_sm *sm); void wpa_tdls_deinit(struct wpa_sm *sm);
void wpa_tdls_enable(struct wpa_sm *sm, int enabled);
#endif /* WPA_H */ #endif /* WPA_H */

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@ -97,6 +97,7 @@ struct wpa_sm {
#ifdef CONFIG_TDLS #ifdef CONFIG_TDLS
struct wpa_tdls_peer *tdls; struct wpa_tdls_peer *tdls;
int tdls_prohibited; int tdls_prohibited;
int tdls_disabled;
#endif /* CONFIG_TDLS */ #endif /* CONFIG_TDLS */
#ifdef CONFIG_IEEE80211R #ifdef CONFIG_IEEE80211R

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@ -114,6 +114,17 @@ static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
tdls_testing = strtol(value, NULL, 0); tdls_testing = strtol(value, NULL, 0);
wpa_printf(MSG_DEBUG, "TDLS: tdls_testing=0x%x", tdls_testing); wpa_printf(MSG_DEBUG, "TDLS: tdls_testing=0x%x", tdls_testing);
#endif /* CONFIG_TDLS_TESTING */ #endif /* CONFIG_TDLS_TESTING */
#ifdef CONFIG_TDLS
} else if (os_strcasecmp(cmd, "tdls_disabled") == 0) {
int disabled = atoi(value);
wpa_printf(MSG_DEBUG, "TDLS: tdls_disabled=%d", disabled);
if (disabled) {
if (wpa_drv_tdls_oper(wpa_s, TDLS_DISABLE, NULL) < 0)
ret = -1;
} else if (wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL) < 0)
ret = -1;
wpa_tdls_enable(wpa_s->wpa, !disabled);
#endif /* CONFIG_TDLS */
} else { } else {
value[-1] = '='; value[-1] = '=';
ret = wpa_config_process_global(wpa_s->conf, cmd, -1); ret = wpa_config_process_global(wpa_s->conf, cmd, -1);