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IBSS RSN: Clear IBSS RSN peers based on peer lost events

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This commit is contained in:
Xi Chen 2011-03-18 17:04:46 +02:00 committed by Jouni Malinen
parent 2f646b6e83
commit ea244d2156
4 changed files with 62 additions and 1 deletions
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14
src/drivers/driver.h
View file

@ -2614,7 +2614,12 @@ enum wpa_event_type {
EVENT_P2P_PROV_DISC_REQUEST,
EVENT_P2P_PROV_DISC_RESPONSE,
EVENT_P2P_SD_REQUEST,
EVENT_P2P_SD_RESPONSE
EVENT_P2P_SD_RESPONSE,
/**
* EVENT_IBSS_PEER_LOST - IBSS peer not reachable anymore
*/
EVENT_IBSS_PEER_LOST
};
@ -3145,6 +3150,13 @@ union wpa_event_data {
const u8 *tlvs;
size_t tlvs_len;
} p2p_sd_resp;
/**
* struct ibss_peer_lost - Data for EVENT_IBSS_PEER_LOST
*/
struct ibss_peer_lost {
u8 peer[ETH_ALEN];
} ibss_peer_lost;
};
/**

8
wpa_supplicant/events.c
View file

@ -1570,6 +1570,9 @@ wpa_supplicant_event_interface_status(struct wpa_supplicant *wpa_s,
wpa_supplicant_mark_disassoc(wpa_s);
l2_packet_deinit(wpa_s->l2);
wpa_s->l2 = NULL;
#ifdef CONFIG_IBSS_RSN
ibss_rsn_stop(wpa_s->ibss_rsn, NULL);
#endif /* CONFIG_IBSS_RSN */
#ifdef CONFIG_TERMINATE_ONLASTIF
/* check if last interface */
if (!any_interfaces(wpa_s->global->ifaces))
@ -2178,6 +2181,11 @@ void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
data->low_ack.addr);
#endif /* CONFIG_AP */
break;
case EVENT_IBSS_PEER_LOST:
#ifdef CONFIG_IBSS_RSN
ibss_rsn_stop(wpa_s->ibss_rsn, data->ibss_peer_lost.peer);
#endif /* CONFIG_IBSS_RSN */
break;
default:
wpa_msg(wpa_s, MSG_INFO, "Unknown event %d", event);
break;

40
wpa_supplicant/ibss_rsn.c
View file

@ -426,6 +426,46 @@ int ibss_rsn_start(struct ibss_rsn *ibss_rsn, const u8 *addr)
}
void ibss_rsn_stop(struct ibss_rsn *ibss_rsn, const u8 *peermac)
{
struct ibss_rsn_peer *peer, *prev;
if (ibss_rsn == NULL)
return;
if (peermac == NULL) {
/* remove all peers */
wpa_printf(MSG_DEBUG, "%s: Remove all peers", __func__);
peer = ibss_rsn->peers;
while (peer) {
prev = peer;
peer = peer->next;
ibss_rsn_free(prev);
ibss_rsn->peers = peer;
}
} else {
/* remove specific peer */
wpa_printf(MSG_DEBUG, "%s: Remove specific peer " MACSTR,
__func__, MAC2STR(peermac));
for (prev = NULL, peer = ibss_rsn->peers; peer != NULL;
prev = peer, peer = peer->next) {
if (os_memcmp(peermac, peer->addr, ETH_ALEN) == 0) {
if (prev == NULL)
ibss_rsn->peers = peer->next;
else
prev->next = peer->next;
ibss_rsn_free(peer);
wpa_printf(MSG_DEBUG, "%s: Successfully "
"removed a specific peer",
__func__);
break;
}
}
}
}
struct ibss_rsn * ibss_rsn_init(struct wpa_supplicant *wpa_s)
{
struct ibss_rsn *ibss_rsn;

1
wpa_supplicant/ibss_rsn.h
View file

@ -46,6 +46,7 @@ struct ibss_rsn {
struct ibss_rsn * ibss_rsn_init(struct wpa_supplicant *wpa_s);
void ibss_rsn_deinit(struct ibss_rsn *ibss_rsn);
int ibss_rsn_start(struct ibss_rsn *ibss_rsn, const u8 *addr);
void ibss_rsn_stop(struct ibss_rsn *ibss_rsn, const u8 *peermac);
int ibss_rsn_rx_eapol(struct ibss_rsn *ibss_rsn, const u8 *src_addr,
const u8 *buf, size_t len);
void ibss_rsn_set_psk(struct ibss_rsn *ibss_rsn, const u8 *psk);