jeltz/hostap
1
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity

Capability matching for 60 GHz band

Browse source 
On the DMG (60 GHz) band, capability bits defined differently from
non-DMG ones. Adjust capability matching to cover both cases.

Also, for non-DMG bands, check ESS bit is set.

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
This commit is contained in:
Vladimir Kondratiev 2013-02-07 16:20:18 +02:00 committed by Jouni Malinen
parent 3140803b6d
commit ff3ad3c531
2 changed files with 31 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
src/drivers/driver.h
View file

@ -122,6 +122,13 @@ struct hostapd_hw_modes {
#define IEEE80211_CAP_IBSS 0x0002
#define IEEE80211_CAP_PRIVACY 0x0010
/* DMG (60 GHz) IEEE 802.11ad */
/* type - bits 0..1 */
#define IEEE80211_CAP_DMG_MASK 0x0003
#define IEEE80211_CAP_DMG_IBSS 0x0001 /* Tx by: STA */
#define IEEE80211_CAP_DMG_PBSS 0x0002 /* Tx by: PCP */
#define IEEE80211_CAP_DMG_AP 0x0003 /* Tx by: AP */
#define WPA_SCAN_QUAL_INVALID BIT(0)
#define WPA_SCAN_NOISE_INVALID BIT(1)
#define WPA_SCAN_LEVEL_INVALID BIT(2)

27
wpa_supplicant/events.c
View file

@ -636,6 +636,28 @@ static int rate_match(struct wpa_supplicant *wpa_s, struct wpa_bss *bss)
}
static int bss_is_dmg(struct wpa_bss *bss)
{
return bss->freq > 45000;
}
/*
* Test whether BSS is in an ESS.
* This is done differently in DMG (60 GHz) and non-DMG bands
*/
static int bss_is_ess(struct wpa_bss *bss)
{
if (bss_is_dmg(bss)) {
return (bss->caps & IEEE80211_CAP_DMG_MASK) ==
IEEE80211_CAP_DMG_AP;
}
return ((bss->caps & (IEEE80211_CAP_ESS | IEEE80211_CAP_IBSS)) ==
IEEE80211_CAP_ESS);
}
static struct wpa_ssid * wpa_scan_res_match(struct wpa_supplicant *wpa_s,
int i, struct wpa_bss *bss,
struct wpa_ssid *group)
@ -769,9 +791,8 @@ static struct wpa_ssid * wpa_scan_res_match(struct wpa_supplicant *wpa_s,
continue;
}
if (bss->caps & IEEE80211_CAP_IBSS) {
wpa_dbg(wpa_s, MSG_DEBUG, " skip - IBSS (adhoc) "
"network");
if (!bss_is_ess(bss)) {
wpa_dbg(wpa_s, MSG_DEBUG, " skip - not ESS network");
continue;
}