openwrt/package/network/services/hostapd/patches/300-noscan.patch
Felix Fietkau eaa3c4a11d hostapd: prevent spurious 20/40 mhz channel bandwidth switches if noscan is enabled
Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 41828
2014-07-25 14:29:58 +00:00

55 lines
1.5 KiB
Diff

--- a/hostapd/config_file.c
+++ b/hostapd/config_file.c
@@ -2639,6 +2639,8 @@ static int hostapd_config_fill(struct ho
}
#endif /* CONFIG_IEEE80211W */
#ifdef CONFIG_IEEE80211N
+ } else if (os_strcmp(buf, "noscan") == 0) {
+ conf->noscan = atoi(pos);
} else if (os_strcmp(buf, "ieee80211n") == 0) {
conf->ieee80211n = atoi(pos);
} else if (os_strcmp(buf, "ht_capab") == 0) {
--- a/src/ap/ap_config.h
+++ b/src/ap/ap_config.h
@@ -576,6 +576,7 @@ struct hostapd_config {
int ht_op_mode_fixed;
u16 ht_capab;
+ int noscan;
int ieee80211n;
int secondary_channel;
int require_ht;
--- a/src/ap/hw_features.c
+++ b/src/ap/hw_features.c
@@ -690,7 +690,7 @@ static int ieee80211n_check_40mhz(struct
struct wpa_driver_scan_params params;
int ret;
- if (!iface->conf->secondary_channel)
+ if (!iface->conf->secondary_channel || iface->conf->noscan)
return 0; /* HT40 not used */
hostapd_set_state(iface, HAPD_IFACE_HT_SCAN);
--- a/src/ap/ieee802_11_ht.c
+++ b/src/ap/ieee802_11_ht.c
@@ -221,6 +221,9 @@ void hostapd_2040_coex_action(struct hos
if (!(iface->conf->ht_capab & HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
return;
+ if (iface->conf->noscan)
+ return;
+
hdr_len = data - (u8 *) mgmt;
if (hdr_len > len)
return;
@@ -319,6 +322,9 @@ void ht40_intolerant_add(struct hostapd_
if (iface->current_mode->mode != HOSTAPD_MODE_IEEE80211G)
return;
+ if (iface->conf->noscan)
+ return;
+
wpa_printf(MSG_INFO, "HT: Forty MHz Intolerant is set by STA " MACSTR
" in Association Request", MAC2STR(sta->addr));