C++ (Cpp) ieee80211_needs_rxnode Examples

Example #1

File: ieee80211_node.cpp Project: mercurysquad/Voodoo80211

/* 
 * Drivers call this, so increase the reference count before returning
 * the node.
 */
struct ieee80211_node * Voodoo80211Device::
ieee80211_find_rxnode(struct ieee80211com *ic,
                      const struct ieee80211_frame *wh)
{
	static const u_int8_t zero[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
	struct ieee80211_node *ni;
	const u_int8_t *bssid;
	int s;
    
	if (!ieee80211_needs_rxnode(ic, wh, &bssid))
		return ieee80211_ref_node(ic->ic_bss);
    
	s = splnet();
	ni = ieee80211_find_node(ic, wh->i_addr2);
	splx(s);
    
	if (ni != NULL)
		return ieee80211_ref_node(ni);
	/* XXX see remarks in ieee80211_find_txnode */
	/* XXX no rate negotiation; just dup */
	if ((ni = ieee80211_dup_bss(ic, wh->i_addr2)) == NULL)
		return ieee80211_ref_node(ic->ic_bss);
    
	IEEE80211_ADDR_COPY(ni->ni_bssid, (bssid != NULL) ? bssid : zero);
    
	ni->ni_rates = ic->ic_bss->ni_rates;
	ieee80211_newassoc(ic, ni, 1);
    
	DPRINTF(("faked-up node %p for %s\n", ni,
             ether_sprintf((u_int8_t *)wh->i_addr2)));
    
	return ieee80211_ref_node(ni);
}

Example #2

/* 
 * Drivers call this, so increase the reference count before returning
 * the node.
 */
struct ieee80211_node *
ieee80211_find_rxnode(struct ieee80211com *ic, struct ieee80211_frame *wh)
{
	struct ieee80211_node *ni;
	const static u_int8_t zero[IEEE80211_ADDR_LEN];
	u_int8_t *bssid;

	if (!ieee80211_needs_rxnode(ic, wh, &bssid))
		return ieee80211_ref_node(ic->ic_bss);

	IEEE80211_NODE_LOCK(ic);
	ni = ieee80211_find_node(ic, wh->i_addr2);
	IEEE80211_NODE_UNLOCK(ic);

	if (ni != NULL)
		return ieee80211_ref_node(ni);
	if (ic->ic_opmode == IEEE80211_M_HOSTAP)
		return ieee80211_ref_node(ic->ic_bss);

	/* XXX see remarks in ieee80211_find_txnode */
	/* XXX no rate negotiation; just dup */
	if ((ni = ieee80211_dup_bss(ic, wh->i_addr2)) == NULL)
		return ieee80211_ref_node(ic->ic_bss);

	IEEE80211_ADDR_COPY(ni->ni_bssid, (bssid != NULL) ? bssid : zero);

	ni->ni_rates = ic->ic_bss->ni_rates;
	if (ic->ic_newassoc)
		(*ic->ic_newassoc)(ic, ni, 1);

	IEEE80211_DPRINTF(("%s: faked-up node %p for %s\n", __func__, ni,
	    ether_sprintf(wh->i_addr2)));

	return ieee80211_ref_node(ni);
}