static void gas_serv_rx_public_action(void *ctx, const u8 *buf, size_t len,
int freq)
{
struct hostapd_data *hapd = ctx;
const struct ieee80211_mgmt *mgmt;
size_t hdr_len;
const u8 *sa, *data;
mgmt = (const struct ieee80211_mgmt *) buf;
hdr_len = (const u8 *) &mgmt->u.action.u.vs_public_action.action - buf;
if (hdr_len > len)
return;
if (mgmt->u.action.category != WLAN_ACTION_PUBLIC)
return;
sa = mgmt->sa;
len -= hdr_len;
data = &mgmt->u.action.u.public_action.action;
switch (data[0]) {
case WLAN_PA_GAS_INITIAL_REQ:
gas_serv_rx_gas_initial_req(hapd, sa, data + 1, len - 1);
break;
case WLAN_PA_GAS_COMEBACK_REQ:
gas_serv_rx_gas_comeback_req(hapd, sa, data + 1, len - 1);
break;
}
}
static void gas_serv_rx_public_action(void *ctx, const u8 *buf, size_t len,
int freq)
{
struct hostapd_data *hapd = ctx;
const struct ieee80211_mgmt *mgmt;
const u8 *sa, *data;
int prot, std_addr3;
mgmt = (const struct ieee80211_mgmt *) buf;
if (len < IEEE80211_HDRLEN + 2)
return;
if (mgmt->u.action.category != WLAN_ACTION_PUBLIC &&
mgmt->u.action.category != WLAN_ACTION_PROTECTED_DUAL)
return;
/*
* Note: Public Action and Protected Dual of Public Action frames share
* the same payload structure, so it is fine to use definitions of
* Public Action frames to process both.
*/
prot = mgmt->u.action.category == WLAN_ACTION_PROTECTED_DUAL;
sa = mgmt->sa;
if (hapd->conf->gas_address3 == 1)
std_addr3 = 1;
else if (hapd->conf->gas_address3 == 2)
std_addr3 = 0;
else
std_addr3 = is_broadcast_ether_addr(mgmt->bssid);
len -= IEEE80211_HDRLEN + 1;
data = buf + IEEE80211_HDRLEN + 1;
switch (data[0]) {
case WLAN_PA_GAS_INITIAL_REQ:
gas_serv_rx_gas_initial_req(hapd, sa, data + 1, len - 1, prot,
std_addr3);
break;
case WLAN_PA_GAS_COMEBACK_REQ:
gas_serv_rx_gas_comeback_req(hapd, sa, data + 1, len - 1, prot,
std_addr3);
break;
}
}
