wpa_supplicant: fix locking hostapd to 20MHz (#12720)

Fixed wpa_supplicant when the radio is in 40MHz mode so that it no
longer restarts hostapd with the second channel disabled.

Signed-off-by: Lance Chaney <furryfur1@gmail.com>

SVN-Revision: 41019
This commit is contained in:
Felix Fietkau 2014-06-05 14:55:10 +00:00
parent fcb680357e
commit a073d13baa

View File

@ -45,7 +45,7 @@
CONFIG_OS=win32
--- a/wpa_supplicant/wpa_supplicant.c
+++ b/wpa_supplicant/wpa_supplicant.c
@@ -104,6 +104,46 @@ const char *wpa_supplicant_full_license5
@@ -104,6 +104,55 @@ const char *wpa_supplicant_full_license5
"\n";
#endif /* CONFIG_NO_STDOUT_DEBUG */
@ -69,14 +69,23 @@
+ int len = sizeof(buf);
+ enum hostapd_hw_mode hw_mode;
+ u8 channel;
+ int sec_chan = 0;
+ int ret;
+
+ if (!bss)
+ return;
+
+ if (bss->ht_param & HT_INFO_HT_PARAM_STA_CHNL_WIDTH) {
+ int sec = bss->ht_param & HT_INFO_HT_PARAM_SECONDARY_CHNL_OFF_MASK;
+ if (sec == HT_INFO_HT_PARAM_SECONDARY_CHNL_ABOVE)
+ sec_chan = 1;
+ else if (sec == HT_INFO_HT_PARAM_SECONDARY_CHNL_BELOW)
+ sec_chan = -1;
+ }
+
+ hw_mode = ieee80211_freq_to_chan(bss->freq, &channel);
+ if (asprintf(&cmd, "UPDATE channel=%d sec_chan=0 hw_mode=%d ieee80211n=%d",
+ channel, hw_mode, !!bss->ht_capab) < 0)
+ if (asprintf(&cmd, "UPDATE channel=%d sec_chan=%d hw_mode=%d ieee80211n=%d",
+ channel, sec_chan, hw_mode, !!bss->ht_capab) < 0)
+ return -1;
+
+ ret = wpa_ctrl_request(wpa_s->hostapd, cmd, os_strlen(cmd), buf, &len, NULL);
@ -92,7 +101,7 @@
/* Configure default/group WEP keys for static WEP */
int wpa_set_wep_keys(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid)
{
@@ -705,8 +745,12 @@ void wpa_supplicant_set_state(struct wpa
@@ -705,8 +754,12 @@ void wpa_supplicant_set_state(struct wpa
#endif /* CONFIG_P2P */
sme_sched_obss_scan(wpa_s, 1);
@ -105,7 +114,7 @@
wpa_s->new_connection = 1;
wpa_drv_set_operstate(wpa_s, 0);
#ifndef IEEE8021X_EAPOL
@@ -3516,6 +3560,20 @@ static int wpa_supplicant_init_iface(str
@@ -3516,6 +3569,20 @@ static int wpa_supplicant_init_iface(str
sizeof(wpa_s->bridge_ifname));
}
@ -126,7 +135,7 @@
/* RSNA Supplicant Key Management - INITIALIZE */
eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE);
eapol_sm_notify_portValid(wpa_s->eapol, FALSE);
@@ -3711,6 +3769,11 @@ static void wpa_supplicant_deinit_iface(
@@ -3711,6 +3778,11 @@ static void wpa_supplicant_deinit_iface(
if (terminate)
wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_TERMINATING);
@ -148,25 +157,29 @@
#include "drivers/driver.h"
#include "wpa_supplicant_i.h"
#include "config.h"
@@ -247,6 +248,9 @@ static void calculate_update_time(const
@@ -247,6 +248,10 @@ static void calculate_update_time(const
static void wpa_bss_copy_res(struct wpa_bss *dst, struct wpa_scan_res *src,
struct os_reltime *fetch_time)
{
+ struct ieee80211_ht_capabilities *capab;
+ struct ieee80211_ht_operation *oper;
+ struct ieee802_11_elems elems;
+
dst->flags = src->flags;
os_memcpy(dst->bssid, src->bssid, ETH_ALEN);
dst->freq = src->freq;
@@ -257,6 +261,12 @@ static void wpa_bss_copy_res(struct wpa_
@@ -257,6 +262,15 @@ static void wpa_bss_copy_res(struct wpa_
dst->level = src->level;
dst->tsf = src->tsf;
+ memset(&elems, 0, sizeof(elems));
+ ieee802_11_parse_elems((u8 *) (src + 1), src->ie_len, &elems, 0);
+ capab = (struct ieee80211_ht_capabilities *) elems.ht_capabilities;
+ oper = (struct ieee80211_ht_operation *) elems.ht_operation;
+ if (capab)
+ dst->ht_capab = le_to_host16(capab->ht_capabilities_info);
+ if (oper)
+ dst->ht_param = oper->ht_param;
+
calculate_update_time(fetch_time, src->age, &dst->last_update);
}
@ -211,12 +224,14 @@
break;
--- a/wpa_supplicant/bss.h
+++ b/wpa_supplicant/bss.h
@@ -70,6 +70,8 @@ struct wpa_bss {
@@ -70,6 +70,10 @@ struct wpa_bss {
u8 ssid[32];
/** Length of SSID */
size_t ssid_len;
+ /** HT caapbilities */
+ u16 ht_capab;
+ /* Five octets of HT Operation Information */
+ u8 ht_param;
/** Frequency of the channel in MHz (e.g., 2412 = channel 1) */
int freq;
/** Beacon interval in TUs (host byte order) */