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driver_nl80211: Add support for multi-SSID scan requests

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This commit is contained in:
Jouni Malinen 2009-02-14 21:17:46 +02:00
parent e76baaac0c
commit 6a1063e008
2 changed files with 14 additions and 13 deletions
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21
src/drivers/driver_nl80211.c
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@ -1683,17 +1683,16 @@ static void wpa_driver_nl80211_scan_timeout(void *eloop_ctx, void *timeout_ctx)
/**
* wpa_driver_nl80211_scan - Request the driver to initiate scan
* @priv: Pointer to private wext data from wpa_driver_nl80211_init()
* @ssid: Specific SSID to scan for (ProbeReq) or %NULL to scan for
* all SSIDs (either active scan with broadcast SSID or passive
* scan
* @ssid_len: Length of the SSID
* @params: Scan parameters
* Returns: 0 on success, -1 on failure
*/
static int wpa_driver_nl80211_scan(void *priv, const u8 *ssid, size_t ssid_len)
static int wpa_driver_nl80211_scan(void *priv,
struct wpa_driver_scan_params *params)
{
struct wpa_driver_nl80211_data *drv = priv;
int ret = 0, timeout;
struct nl_msg *msg, *ssids;
size_t i;
msg = nlmsg_alloc();
ssids = nlmsg_alloc();
@ -1708,13 +1707,11 @@ static int wpa_driver_nl80211_scan(void *priv, const u8 *ssid, size_t ssid_len)
NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
if (ssid && ssid_len) {
/* Request an active scan for a specific SSID */
NLA_PUT(ssids, 1, ssid_len, ssid);
} else {
/* Request an active scan for wildcard SSID */
NLA_PUT(ssids, 1, 0, "");
for (i = 0; i < params->num_ssids; i++) {
NLA_PUT(ssids, i + 1, params->ssids[i].ssid_len,
params->ssids[i].ssid);
}
if (params->num_ssids)
nla_put_nested(msg, NL80211_ATTR_SCAN_SSIDS, ssids);
ret = send_and_recv_msgs(drv, msg, NULL, NULL);
@ -2791,7 +2788,7 @@ const struct wpa_driver_ops wpa_driver_nl80211_ops = {
.set_key = wpa_driver_nl80211_set_key,
.set_countermeasures = wpa_driver_nl80211_set_countermeasures,
.set_drop_unencrypted = wpa_driver_nl80211_set_drop_unencrypted,
.scan = wpa_driver_nl80211_scan,
.scan2 = wpa_driver_nl80211_scan,
.get_scan_results2 = wpa_driver_nl80211_get_scan_results,
.deauthenticate = wpa_driver_nl80211_deauthenticate,
.disassociate = wpa_driver_nl80211_disassociate,

4
wpa_supplicant/ChangeLog
View File

@ -8,6 +8,10 @@ ChangeLog for wpa_supplicant
* allow multiple driver wrappers to be specified on command line
(e.g., -Dnl80211,wext); the first one that is able to initialize the
interface will be used
* added support for multiple SSIDs per scan request to optimize
scan_ssid=1 operations in ap_scan=1 mode (i.e., search for hidden
SSIDs); this requires driver support and can currently be used only
with nl80211
2009-01-06 - v0.6.7
* added support for Wi-Fi Protected Setup (WPS)