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hostapd: Add testing option to use only ECSA

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Some APs don't include a CSA IE when an ECSA IE is generated,
and mac80211 used to fail following their channel switch. Add
a testing option to hostapd to allow reproducing the behavior.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2015-09-08 12:46:32 +03:00 committed by Jouni Malinen
parent fa53d74c9e
commit 2b6e121676
5 changed files with 13 additions and 0 deletions
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2
hostapd/config_file.c
View file

@ -3249,6 +3249,8 @@ static int hostapd_config_fill(struct hostapd_config *conf,
PARSE_TEST_PROBABILITY(ignore_assoc_probability)
PARSE_TEST_PROBABILITY(ignore_reassoc_probability)
PARSE_TEST_PROBABILITY(corrupt_gtk_rekey_mic_probability)
} else if (os_strcmp(buf, "ecsa_ie_only") == 0) {
conf->ecsa_ie_only = atoi(pos);
} else if (os_strcmp(buf, "bss_load_test") == 0) {
WPA_PUT_LE16(bss->bss_load_test, atoi(pos));
pos = os_strchr(pos, ':');

4
hostapd/hostapd.conf
View file

@ -1844,6 +1844,10 @@ own_ip_addr=127.0.0.1
#
# Corrupt Key MIC in GTK rekey EAPOL-Key frames with the given probability
#corrupt_gtk_rekey_mic_probability=0.0
#
# Include only ECSA IE without CSA IE where possible
# (channel switch operating class is needed)
#ecsa_ie_only=0
##### Multiple BSSID support ##################################################
#

1
src/ap/ap_config.c
View file

@ -180,6 +180,7 @@ struct hostapd_config * hostapd_config_defaults(void)
conf->ignore_assoc_probability = 0.0;
conf->ignore_reassoc_probability = 0.0;
conf->corrupt_gtk_rekey_mic_probability = 0.0;
conf->ecsa_ie_only = 0;
#endif /* CONFIG_TESTING_OPTIONS */
conf->acs = 0;

1
src/ap/ap_config.h
View file

@ -652,6 +652,7 @@ struct hostapd_config {
double ignore_assoc_probability;
double ignore_reassoc_probability;
double corrupt_gtk_rekey_mic_probability;
int ecsa_ie_only;
#endif /* CONFIG_TESTING_OPTIONS */
#ifdef CONFIG_ACS

5
src/ap/beacon.c
View file

@ -297,6 +297,11 @@ static u8 * hostapd_eid_wpa(struct hostapd_data *hapd, u8 *eid, size_t len)
static u8 * hostapd_eid_csa(struct hostapd_data *hapd, u8 *eid)
{
#ifdef CONFIG_TESTING_OPTIONS
if (hapd->iface->cs_oper_class && hapd->iconf->ecsa_ie_only)
return eid;
#endif /* CONFIG_TESTING_OPTIONS */
if (!hapd->cs_freq_params.channel)
return eid;