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mesh: Make NL80211_MESHCONF_RSSI_THRESHOLD configurable

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In some practical cases, it is useful to suppress joining to node in the
distance. The new field mesh_rssi_threshold could be used as RSSI
threshold for joining.

Signed-off-by: Masashi Honma <masashi.honma@gmail.com>
This commit is contained in:
Masashi Honma 2017-04-04 07:28:35 +09:00 committed by Jouni Malinen
parent 481fecefec
commit 31a856a127
7 changed files with 24 additions and 2 deletions
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2
src/drivers/driver.h
View file

@ -1388,6 +1388,7 @@ struct wpa_driver_mesh_bss_params {
#define WPA_DRIVER_MESH_CONF_FLAG_PEER_LINK_TIMEOUT 0x00000002
#define WPA_DRIVER_MESH_CONF_FLAG_MAX_PEER_LINKS 0x00000004
#define WPA_DRIVER_MESH_CONF_FLAG_HT_OP_MODE 0x00000008
#define WPA_DRIVER_MESH_CONF_FLAG_RSSI_THRESHOLD 0x00000010
/*
* TODO: Other mesh configuration parameters would go here.
* See NL80211_MESHCONF_* for all the mesh config parameters.
@ -1396,6 +1397,7 @@ struct wpa_driver_mesh_bss_params {
int auto_plinks;
int peer_link_timeout;
int max_peer_links;
int rssi_threshold;
u16 ht_opmode;
};

5
src/drivers/driver_nl80211.c
View file

@ -8870,7 +8870,10 @@ static int nl80211_put_mesh_config(struct nl_msg *msg,
params->auto_plinks)) ||
((params->flags & WPA_DRIVER_MESH_CONF_FLAG_MAX_PEER_LINKS) &&
nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
params->max_peer_links)))
params->max_peer_links)) ||
((params->flags & WPA_DRIVER_MESH_CONF_FLAG_RSSI_THRESHOLD) &&
nla_put_u32(msg, NL80211_MESHCONF_RSSI_THRESHOLD,
params->rssi_threshold)))
return -1;
/*

2
wpa_supplicant/config.c
View file

@ -2107,6 +2107,7 @@ static const struct parse_data ssid_fields[] = {
#ifdef CONFIG_MESH
{ INT_RANGE(mode, 0, 5) },
{ INT_RANGE(no_auto_peer, 0, 1) },
{ INT_RANGE(mesh_rssi_threshold, -255, 1) },
#else /* CONFIG_MESH */
{ INT_RANGE(mode, 0, 4) },
#endif /* CONFIG_MESH */
@ -2639,6 +2640,7 @@ void wpa_config_set_network_defaults(struct wpa_ssid *ssid)
ssid->dot11MeshRetryTimeout = DEFAULT_MESH_RETRY_TIMEOUT;
ssid->dot11MeshConfirmTimeout = DEFAULT_MESH_CONFIRM_TIMEOUT;
ssid->dot11MeshHoldingTimeout = DEFAULT_MESH_HOLDING_TIMEOUT;
ssid->mesh_rssi_threshold = DEFAULT_MESH_RSSI_THRESHOLD;
#endif /* CONFIG_MESH */
#ifdef CONFIG_HT_OVERRIDES
ssid->disable_ht = DEFAULT_DISABLE_HT;

1
wpa_supplicant/config_file.c
View file

@ -783,6 +783,7 @@ static void wpa_config_write_network(FILE *f, struct wpa_ssid *ssid)
#endif /* IEEE8021X_EAPOL */
INT(mode);
INT(no_auto_peer);
INT_DEF(mesh_rssi_threshold, DEFAULT_MESH_RSSI_THRESHOLD);
INT(frequency);
INT(fixed_freq);
#ifdef CONFIG_ACS

10
wpa_supplicant/config_ssid.h
View file

@ -28,6 +28,7 @@
#define DEFAULT_MESH_RETRY_TIMEOUT 40
#define DEFAULT_MESH_CONFIRM_TIMEOUT 40
#define DEFAULT_MESH_HOLDING_TIMEOUT 40
#define DEFAULT_MESH_RSSI_THRESHOLD 1 /* no change */
#define DEFAULT_DISABLE_HT 0
#define DEFAULT_DISABLE_HT40 0
#define DEFAULT_DISABLE_SGI 0
@ -807,6 +808,15 @@ struct wpa_ssid {
*/
int no_auto_peer;
/**
* mesh_rssi_threshold - Set mesh parameter mesh_rssi_threshold (dBm)
*
* -255..-1 = threshold value in dBm
* 0 = not using RSSI threshold
* 1 = do not change driver default
*/
int mesh_rssi_threshold;
/**
* wps_disabled - WPS disabled in AP mode
*

4
wpa_supplicant/mesh.c
View file

@ -413,6 +413,10 @@ int wpa_supplicant_join_mesh(struct wpa_supplicant *wpa_s,
else if (wpa_s->conf->dtim_period > 0)
params.dtim_period = wpa_s->conf->dtim_period;
params.conf.max_peer_links = wpa_s->conf->max_peer_links;
if (ssid->mesh_rssi_threshold < DEFAULT_MESH_RSSI_THRESHOLD) {
params.conf.rssi_threshold = ssid->mesh_rssi_threshold;
params.conf.flags |= WPA_DRIVER_MESH_CONF_FLAG_RSSI_THRESHOLD;
}
if (ssid->key_mgmt & WPA_KEY_MGMT_SAE) {
params.flags |= WPA_DRIVER_MESH_FLAG_SAE_AUTH;

2
wpa_supplicant/wpa_cli.c
View file

@ -1392,7 +1392,7 @@ static const char *network_fields[] = {
"eap_workaround", "pac_file", "fragment_size", "ocsp",
#endif /* IEEE8021X_EAPOL */
#ifdef CONFIG_MESH
"mode", "no_auto_peer",
"mode", "no_auto_peer", "mesh_rssi_threshold",
#else /* CONFIG_MESH */
"mode",
#endif /* CONFIG_MESH */