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P2P: Extend P2P manager functionality to work with driver MLME 

Add P2P IE into Beacon, Probe Response, and (Re)Association Request
frames for drivers that generate this frames internally.
This commit is contained in:
Jouni Malinen 2010-10-08 18:16:07 +03:00 committed by Jouni Malinen
parent b74c19faf5
commit dce044cce5
7 changed files with 96 additions and 29 deletions
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5
hostapd/Makefile
View File

@ -719,6 +719,11 @@ ifdef CONFIG_IEEE80211N
OBJS += ../src/ap/ieee802_11_ht.o
endif
ifdef CONFIG_P2P_MANAGER
CFLAGS += -DCONFIG_P2P_MANAGER
OBJS += ../src/ap/p2p_hostapd.o
endif
ifdef CONFIG_NO_STDOUT_DEBUG
CFLAGS += -DCONFIG_NO_STDOUT_DEBUG
endif

61
src/ap/ap_drv_ops.c
View File

@ -22,6 +22,7 @@
#include "ieee802_11.h"
#include "sta_info.h"
#include "ap_config.h"
#include "p2p_hostapd.h"
#include "ap_drv_ops.h"
@ -86,18 +87,70 @@ static int hostapd_set_ap_wps_ie(struct hostapd_data *hapd)
}
#endif /* CONFIG_P2P */
#ifdef CONFIG_P2P_MANAGER
if (hapd->conf->p2p & P2P_MANAGE) {
struct wpabuf *a;
a = wpabuf_alloc(100 + (beacon ? wpabuf_len(beacon) : 0));
if (a) {
u8 *start, *p;
if (beacon)
wpabuf_put_buf(a, beacon);
if (beacon != hapd->wps_beacon_ie)
wpabuf_free(beacon);
start = wpabuf_put(a, 0);
p = hostapd_eid_p2p_manage(hapd, start);
wpabuf_put(a, p - start);
beacon = a;
}
a = wpabuf_alloc(100 + (proberesp ? wpabuf_len(proberesp) :
0));
if (a) {
u8 *start, *p;
if (proberesp)
wpabuf_put_buf(a, proberesp);
if (proberesp != hapd->wps_probe_resp_ie)
wpabuf_free(proberesp);
start = wpabuf_put(a, 0);
p = hostapd_eid_p2p_manage(hapd, start);
wpabuf_put(a, p - start);
proberesp = a;
}
}
#endif /* CONFIG_P2P_MANAGER */
#ifdef CONFIG_WPS2
if (hapd->conf->wps_state)
assocresp = wps_build_assoc_resp_ie();
#endif /* CONFIG_WPS2 */
#ifdef CONFIG_P2P_MANAGER
if (hapd->conf->p2p & P2P_MANAGE) {
struct wpabuf *a;
a = wpabuf_alloc(100 + (assocresp ? wpabuf_len(assocresp) :
0));
if (a) {
u8 *start, *p;
start = wpabuf_put(a, 0);
p = hostapd_eid_p2p_manage(hapd, start);
wpabuf_put(a, p - start);
if (assocresp) {
wpabuf_put_buf(a, assocresp);
wpabuf_free(assocresp);
}
assocresp = a;
}
}
#endif /* CONFIG_P2P_MANAGER */
ret = hapd->driver->set_ap_wps_ie(hapd->drv_priv, beacon, proberesp,
assocresp);
#ifdef CONFIG_P2P
wpabuf_free(beacon);
wpabuf_free(proberesp);
#endif /* CONFIG_P2P */
if (beacon != hapd->wps_beacon_ie)
wpabuf_free(beacon);
if (proberesp != hapd->wps_probe_resp_ie)
wpabuf_free(proberesp);
wpabuf_free(assocresp);
return ret;

25
src/ap/beacon.c
View File

@ -30,6 +30,7 @@
#include "wmm.h"
#include "ap_config.h"
#include "sta_info.h"
#include "p2p_hostapd.h"
#include "beacon.h"
@ -195,30 +196,6 @@ static u8 * hostapd_eid_wpa(struct hostapd_data *hapd, u8 *eid, size_t len,
}
#ifdef CONFIG_P2P_MANAGER
u8 * hostapd_eid_p2p_manage(struct hostapd_data *hapd, u8 *eid)
{
u8 bitmap;
*eid++ = WLAN_EID_VENDOR_SPECIFIC;
*eid++ = 4 + 3 + 1;
WPA_PUT_BE24(eid, OUI_WFA);
eid += 3;
*eid++ = P2P_OUI_TYPE;
*eid++ = P2P_ATTR_MANAGEABILITY;
WPA_PUT_LE16(eid, 1);
eid += 2;
bitmap = P2P_MAN_DEVICE_MANAGEMENT;
if (hapd->conf->p2p & P2P_ALLOW_CROSS_CONNECTION)
bitmap |= P2P_MAN_CROSS_CONNECTION_PERMITTED;
bitmap |= P2P_MAN_COEXISTENCE_OPTIONAL;
*eid++ = bitmap;
return eid;
}
#endif /* CONFIG_P2P_MANAGER */
void handle_probe_req(struct hostapd_data *hapd,
const struct ieee80211_mgmt *mgmt, size_t len)
{

1
src/ap/beacon.h
View File

@ -20,7 +20,6 @@ struct ieee80211_mgmt;
void handle_probe_req(struct hostapd_data *hapd,
const struct ieee80211_mgmt *mgmt, size_t len);
u8 * hostapd_eid_p2p_manage(struct hostapd_data *hapd, u8 *eid);
#ifdef NEED_AP_MLME
void ieee802_11_set_beacon(struct hostapd_data *hapd);
void ieee802_11_set_beacons(struct hostapd_iface *iface);

1
src/ap/ieee802_11.c
View File

@ -38,6 +38,7 @@
#include "accounting.h"
#include "ap_config.h"
#include "ap_mlme.h"
#include "p2p_hostapd.h"
#include "ieee802_11.h"

30
src/ap/p2p_hostapd.c
View File

@ -15,13 +15,17 @@
#include "utils/includes.h"
#include "utils/common.h"
#include "common/ieee802_11_defs.h"
#include "p2p/p2p.h"
#include "hostapd.h"
#include "ap_config.h"
#include "ap_drv_ops.h"
#include "sta_info.h"
#include "p2p_hostapd.h"
#ifdef CONFIG_P2P
int hostapd_p2p_get_mib_sta(struct hostapd_data *hapd, struct sta_info *sta,
char *buf, size_t buflen)
{
@ -88,3 +92,29 @@ void hostapd_p2p_non_p2p_sta_disconnected(struct hostapd_data *hapd)
hapd->noa_duration);
}
}
#endif /* CONFIG_P2P */
#ifdef CONFIG_P2P_MANAGER
u8 * hostapd_eid_p2p_manage(struct hostapd_data *hapd, u8 *eid)
{
u8 bitmap;
*eid++ = WLAN_EID_VENDOR_SPECIFIC;
*eid++ = 4 + 3 + 1;
WPA_PUT_BE24(eid, OUI_WFA);
eid += 3;
*eid++ = P2P_OUI_TYPE;
*eid++ = P2P_ATTR_MANAGEABILITY;
WPA_PUT_LE16(eid, 1);
eid += 2;
bitmap = P2P_MAN_DEVICE_MANAGEMENT;
if (hapd->conf->p2p & P2P_ALLOW_CROSS_CONNECTION)
bitmap |= P2P_MAN_CROSS_CONNECTION_PERMITTED;
bitmap |= P2P_MAN_COEXISTENCE_OPTIONAL;
*eid++ = bitmap;
return eid;
}
#endif /* CONFIG_P2P_MANAGER */

2
src/ap/p2p_hostapd.h
View File

@ -36,4 +36,6 @@ static inline int hostapd_p2p_get_mib_sta(struct hostapd_data *hapd,
#endif /* CONFIG_P2P */
u8 * hostapd_eid_p2p_manage(struct hostapd_data *hapd, u8 *eid);
#endif /* P2P_HOSTAPD_H */