On 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@xxxxxxxxx>
---
src/drivers/driver.h | 2 ++
src/drivers/driver_nl80211.c | 5 ++++-
wpa_supplicant/config.c | 2 ++
wpa_supplicant/config_file.c | 1 +
wpa_supplicant/config_ssid.h | 8 ++++++++
wpa_supplicant/mesh.c | 4 ++++
wpa_supplicant/wpa_cli.c | 2 +-
7 files changed, 22 insertions(+), 2 deletions(-)
diff --git a/src/drivers/driver.h b/src/drivers/driver.h
index fc2593e..2c82f5e 100644
--- a/src/drivers/driver.h
+++ b/src/drivers/driver.h
@@ -1288,6 +1288,7 @@ 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.
@@ -1296,6 +1297,7 @@ struct wpa_driver_mesh_bss_params {
int auto_plinks;
int peer_link_timeout;
int max_peer_links;
+ int rssi_threshold;
u16 ht_opmode;
};
diff --git a/src/drivers/driver_nl80211.c b/src/drivers/driver_nl80211.c
index bceeba2..801fd0e 100644
--- a/src/drivers/driver_nl80211.c
+++ b/src/drivers/driver_nl80211.c
@@ -8774,7 +8774,10 @@ 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;
/*
diff --git a/wpa_supplicant/config.c b/wpa_supplicant/config.c
index 8bfb6a1..a116536 100644
--- a/wpa_supplicant/config.c
+++ b/wpa_supplicant/config.c
@@ -2066,6 +2066,7 @@ 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 */
@@ -2598,6 +2599,7 @@ 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;
diff --git a/wpa_supplicant/config_file.c b/wpa_supplicant/config_file.c
index e8f1149..f6732e4 100644
--- a/wpa_supplicant/config_file.c
+++ b/wpa_supplicant/config_file.c
@@ -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(mesh_rssi_threshold);
INT(frequency);
INT(fixed_freq);
#ifdef CONFIG_ACS
diff --git a/wpa_supplicant/config_ssid.h b/wpa_supplicant/config_ssid.h
index 869165c..c6612d0 100644
--- a/wpa_supplicant/config_ssid.h
+++ b/wpa_supplicant/config_ssid.h
@@ -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 +808,13 @@ struct wpa_ssid {
*/
int no_auto_peer;
+#ifdef CONFIG_MESH
+ /**
+ * mesh_rssi_threshold - Set mesh parameter mesh_rssi_threshold(dBm)
+ */
+ int mesh_rssi_threshold;
+#endif /* CONFIG_MESH */
+
/**
* wps_disabled - WPS disabled in AP mode
*
diff --git a/wpa_supplicant/mesh.c b/wpa_supplicant/mesh.c
index 01b657e..c0c8f91 100644
--- a/wpa_supplicant/mesh.c
+++ b/wpa_supplicant/mesh.c
@@ -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;
diff --git a/wpa_supplicant/wpa_cli.c b/wpa_supplicant/wpa_cli.c
index c5091b5..8278bd2 100644
--- a/wpa_supplicant/wpa_cli.c
+++ b/wpa_supplicant/wpa_cli.c
@@ -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 */
--
2.7.4
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