Function ieee80211_alloc_node

freebsd/net80211/ieee80211_node.c:1383–1435

}

struct ieee80211_node *
ieee80211_alloc_node(struct ieee80211_node_table *nt,
	struct ieee80211vap *vap, const uint8_t macaddr[IEEE80211_ADDR_LEN])
{
	struct ieee80211com *ic = nt->nt_ic;
	struct ieee80211_node *ni;

	ni = ic->ic_node_alloc(vap, macaddr);
	if (ni == NULL) {
		vap->iv_stats.is_rx_nodealloc++;
		return NULL;
	}

	IEEE80211_DPRINTF(vap, IEEE80211_MSG_NODE,
		"%s %p<%s> in %s table\n", __func__, ni,
		ether_sprintf(macaddr), nt->nt_name);

	IEEE80211_ADDR_COPY(ni->ni_macaddr, macaddr);
	ieee80211_node_initref(ni);		/* mark referenced */
	ni->ni_chan = IEEE80211_CHAN_ANYC;
	ni->ni_authmode = IEEE80211_AUTH_OPEN;
	ni->ni_txpower = ic->ic_txpowlimit;	/* max power */
	ni->ni_txparms = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)];
	ieee80211_crypto_resetkey(vap, &ni->ni_ucastkey, IEEE80211_KEYIX_NONE);
	ni->ni_avgrssi = IEEE80211_RSSI_DUMMY_MARKER;
	ni->ni_inact_reload = nt->nt_inact_init;
	ni->ni_inact = ni->ni_inact_reload;
	ni->ni_ath_defkeyix = 0x7fff;
	ieee80211_psq_init(&ni->ni_psq, "unknown");
#ifdef IEEE80211_SUPPORT_MESH
	if (vap->iv_opmode == IEEE80211_M_MBSS)
		ieee80211_mesh_node_init(vap, ni);
#endif
	IEEE80211_NODE_LOCK(nt);
	ieee80211_add_node_nt(nt, ni);
	ni->ni_vap = vap;
	ni->ni_ic = ic;
	IEEE80211_NODE_UNLOCK(nt);

	/* handle failure; free node state */
	if (ic->ic_node_init(ni) != 0) {
		vap->iv_stats.is_rx_nodealloc++;
		ieee80211_psq_cleanup(&ni->ni_psq);
		ieee80211_ratectl_node_deinit(ni);
		_ieee80211_free_node(ni);
		return NULL;
	}

	IEEE80211_NOTE(vap, IEEE80211_MSG_INACT, ni,
	    "%s: inact_reload %u", __func__, ni->ni_inact_reload);

	return ni;
}

/*
 * Craft a temporary node suitable for sending a management frame