/*
* Probe the curent channel, if allowed, while scanning.
* If the channel is not marked passive-only then send
* a probe request immediately. Otherwise mark state and
* listen for beacons on the channel; if we receive something
* then we'll transmit a probe request.
*/
void
ieee80211_probe_curchan(struct ieee80211vap *vap, int force)
{
struct ieee80211com *ic = vap->iv_ic;
struct ieee80211_scan_state *ss = ic->ic_scan;
struct ifnet *ifp = vap->iv_ifp;
int i;
if ((ic->ic_curchan->ic_flags & IEEE80211_CHAN_PASSIVE) && !force) {
ic->ic_flags_ext |= IEEE80211_FEXT_PROBECHAN;
return;
}
/*
* Send directed probe requests followed by any
* broadcast probe request.
* XXX remove dependence on ic/vap->iv_bss
*/
for (i = 0; i < ss->ss_nssid; i++)
ieee80211_send_probereq(vap->iv_bss,
vap->iv_myaddr, ifp->if_broadcastaddr,
ifp->if_broadcastaddr,
ss->ss_ssid[i].ssid, ss->ss_ssid[i].len);
if ((ss->ss_flags & IEEE80211_SCAN_NOBCAST) == 0)
ieee80211_send_probereq(vap->iv_bss,
vap->iv_myaddr, ifp->if_broadcastaddr,
ifp->if_broadcastaddr,
"", 0);
}
int wlan_send_probereq(
wlan_if_t vaphandle,
const u_int8_t *destination,
const u_int8_t *bssid,
const u_int8_t *ssid,
const u_int32_t ssidlen,
const void *optie,
const size_t optielen)
{
struct ieee80211vap *vap = vaphandle;
struct ieee80211_node *bss_node;
int err;
bss_node = ieee80211_ref_bss_node(vap);
err = ieee80211_send_probereq(bss_node,
vaphandle->iv_myaddr,
destination,
bssid,
ssid,
ssidlen,
optie,
optielen);
ieee80211_free_node(bss_node);
return err;
}
/*
* JOIN
*/
static void ieee80211_btamp_conn_state_join_entry(void *ctx)
{
wlan_btamp_conn_sm_t sm = (wlan_btamp_conn_sm_t) ctx;
struct ieee80211_node *ni = NULL;
struct ieee80211vap *vap = sm->vap_handle;
sm->is_join = 1;
ni = ieee80211_vap_find_node(vap, sm->peer);
OS_SET_TIMER(&sm->sm_timer, sm->max_mgmt_time);
if (ni) {
ieee80211_send_probereq(ni, vap->iv_myaddr, sm->peer, sm->peer,
ni->ni_essid, ni->ni_esslen,
NULL, 0);
ieee80211_free_node(ni);
IEEE80211_DPRINTF(sm->vap_handle,IEEE80211_MSG_STATE,"%s: probe request",
__func__);
}
}
static void ICACHE_FLASH_ATTR
myProber(void *arg)
{
struct netif* pIf = eagle_lwip_getif(0);
ieee80211_send_probereq(pIf,g_sa,g_da,g_bssid,&g_ssid,g_ssidlen);
}
void ieee80211_mlme_join_infra_continue(struct ieee80211vap *vap, int32_t status)
{
struct ieee80211com *ic = vap->iv_ic;
struct ieee80211_node *ni;
struct ieee80211_mlme_priv *mlme_priv = vap->iv_mlme_priv;
u_int32_t join_timeout_ms;
if (mlme_priv->im_request_type != MLME_REQ_JOIN_INFRA) {
IEEE80211_DPRINTF(vap, IEEE80211_MSG_MLME, "%s : im_request_type != JOIN_INFRA\n",
__func__);
return;
}
if (status != EOK) {
mlme_priv->im_request_type = MLME_REQ_NONE;
IEEE80211_DELIVER_EVENT_MLME_JOIN_COMPLETE_INFRA(vap, IEEE80211_STATUS_UNSPECIFIED);
return;
}
/* iv_bss is valid only after ieee80211_sta_join */
ni = vap->iv_bss;
IEEE80211_DPRINTF(vap, IEEE80211_MSG_MLME, "%s ni=%02X:%02X:%02X:%02X:%02X:%02X\n",
__func__,
ni->ni_macaddr[0], ni->ni_macaddr[1], ni->ni_macaddr[2],
ni->ni_macaddr[3], ni->ni_macaddr[4], ni->ni_macaddr[5]);
/* Update erp info */
if (ni->ni_erp & IEEE80211_ERP_USE_PROTECTION)
ic->ic_flags |= IEEE80211_F_USEPROT;
else
ic->ic_flags &= ~IEEE80211_F_USEPROT;
ic->ic_update_protmode(ic);
if(ni->ni_erp & IEEE80211_ERP_LONG_PREAMBLE)
ic->ic_flags |= IEEE80211_F_USEBARKER;
else
ic->ic_flags &= (~IEEE80211_F_USEBARKER);
/* Update slot time info */
ieee80211_set_shortslottime(ic,
IEEE80211_IS_CHAN_A(vap->iv_bsschan) ||
IEEE80211_IS_CHAN_11NA(vap->iv_bsschan) ||
(ni->ni_capinfo & IEEE80211_CAPINFO_SHORT_SLOTTIME));
/* Put underlying H/W to JOIN state */
ieee80211_vap_join(vap);
#ifdef ATH_SUPPORT_TxBF
ieee80211_init_txbf(ic, ni);
#endif
/* Send a direct probe to increase the odds of receiving a probe response */
ieee80211_send_probereq(ni, ic->ic_myaddr, ni->ni_bssid,
ni->ni_bssid, ni->ni_essid, ni->ni_esslen,
vap->iv_opt_ie.ie, vap->iv_opt_ie.length);
/* Set the timeout timer for Join Failure case. */
join_timeout_ms = IEEE80211_TU_TO_MS(mlme_priv->im_timeout * ni->ni_intval);
IEEE80211_DPRINTF(vap, IEEE80211_MSG_MLME, "%s: Setting Join Timeout timer for %d ms\n", __func__, join_timeout_ms);
OS_SET_TIMER(&mlme_priv->im_timeout_timer, join_timeout_ms);
/* Set the appropriate filtering function and wait for Join Beacon */
MLME_WAIT_FOR_BSS_JOIN(mlme_priv);
}
