void rsn_preauth_send(struct hostapd_data *hapd, struct sta_info *sta,
u8 *buf, size_t len)
{
struct rsn_preauth_interface *piface;
struct l2_ethhdr *ethhdr;
piface = hapd->preauth_iface;
while (piface) {
if (piface == sta->preauth_iface)
break;
piface = piface->next;
}
if (piface == NULL) {
wpa_printf(MSG_DEBUG, "RSN: Could not find pre-authentication "
"interface for " MACSTR, MAC2STR(sta->addr));
return;
}
ethhdr = os_malloc(sizeof(*ethhdr) + len);
if (ethhdr == NULL)
return;
os_memcpy(ethhdr->h_dest, sta->addr, ETH_ALEN);
os_memcpy(ethhdr->h_source, hapd->own_addr, ETH_ALEN);
ethhdr->h_proto = host_to_be16(ETH_P_PREAUTH);
os_memcpy(ethhdr + 1, buf, len);
if (l2_packet_send_2(piface->l2, sta->addr, ETH_P_PREAUTH, (u8 *) ethhdr,
sizeof(*ethhdr) + len) < 0) {
wpa_printf(MSG_ERROR, "Failed to send preauth packet using "
"l2_packet_send\n");
}
os_free(ethhdr);
}
/**
* wpa_ether_send - Send Ethernet frame
* @wpa_s: Pointer to wpa_supplicant data
* @dest: Destination MAC address
* @proto: Ethertype in host byte order
* @buf: Frame payload starting from IEEE 802.1X header
* @len: Frame payload length
* Returns: >=0 on success, <0 on failure
*/
int wpa_ether_send(struct wpa_supplicant *wpa_s, const u8 *dest,
u16 proto, const u8 *buf, size_t len)
{
if (wpa_s->l2) {
return l2_packet_send_2(wpa_s->l2, dest, proto, buf, len);
}
return wpa_drv_send_eapol(wpa_s, dest, proto, buf, len);
}
/*wrapper definition for wapi interface*/
static int wpa_supplicant_tx_wai(void *ctx, const u8* pbuf, int length)
{
struct wpa_supplicant *wpa_s = (struct wpa_supplicant *)ctx;
int ret;
ret = l2_packet_send_2(wpa_s->l2_wai, wpa_s->bssid, ETH_P_WAI, (const u8*)pbuf, (unsigned int)length);
return ret;
}
