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wifi: enable background scanning for WPA Enterprise

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Enable the supplicant's optimized background scanning functionality
for WPA Enterprise setups so that roaming works correctly.  Otherwise
there are issues pingponging between APs and having an up-to-date
scan list for roaming, since NM only scans every 2 minutes.  The
supplicant can trigger optimized scans based on signal quality
thresholds and such and make these roaming decisions much better
than NM can.
This commit is contained in:
Dan Williams 2011-04-27 16:22:54 -05:00
parent bb7e03f846
commit a0fd14500e
2 changed files with 9 additions and 0 deletions
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8
src/supplicant-manager/nm-supplicant-config.c
View file

@ -695,6 +695,14 @@ nm_supplicant_config_add_setting_wireless_security (NMSupplicantConfig *self,
if (!nm_supplicant_config_add_setting_8021x (self, setting_8021x, connection_uid, FALSE))
return FALSE;
}
if (!strcmp (key_mgmt, "wpa-eap")) {
/* If using WPA Enterprise, enable optimized background scanning
* to ensure roaming within an ESS works well.
*/
if (!nm_supplicant_config_add_option (self, "bgscan", "simple:30:-45:300", -1, FALSE))
nm_log_warn (LOGD_SUPPLICANT, "Error enabling background scanning for ESS roaming");
}
}
return TRUE;

1
src/supplicant-manager/nm-supplicant-settings-verify.c
View file

@ -124,6 +124,7 @@ static const struct Opt opt_table[] = {
{ "key_id", TYPE_BYTES, 0, 0, FALSE, NULL },
{ "fragment_size", TYPE_INT, 1, 2000, FALSE, NULL },
{ "proactive_key_caching", TYPE_INT, 0, 1, FALSE, NULL },
{ "bgscan", TYPE_BYTES, 0, 0, FALSE, NULL },
};