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hostapd: add OpenWrt specific statistic counters

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This adds a new struct for storing statistics not (yet) tracked by
hostapd regarding RRM and WNM activity.

These statistics can be read using the get_status hostapd interface ubus
method.

Signed-off-by: David Bauer <mail@david-bauer.net>
This commit is contained in:
David Bauer 2021-11-27 22:08:28 +01:00
parent a5cc9e033c
commit 16bcaa71fa
2 changed files with 105 additions and 1 deletions
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92
package/network/services/hostapd/patches/590-rrm-wnm-statistics.patch Normal file
View File

@ -0,0 +1,92 @@
--- a/src/ap/hostapd.h
+++ b/src/ap/hostapd.h
@@ -441,6 +441,21 @@ struct hostapd_sta_info {
};
/**
+ * struct hostapd_openwrt_stats - OpenWrt custom STA/AP statistics
+ */
+struct hostapd_openwrt_stats {
+ struct {
+ u64 neighbor_report_tx;
+ } rrm;
+
+ struct {
+ u64 bss_transition_query_rx;
+ u64 bss_transition_request_tx;
+ u64 bss_transition_response_rx;
+ } wnm;
+};
+
+/**
* struct hostapd_iface - hostapd per-interface data structure
*/
struct hostapd_iface {
@@ -562,6 +577,9 @@ struct hostapd_iface {
u64 last_channel_time_busy;
u8 channel_utilization;
+ /* OpenWrt specific statistics */
+ struct hostapd_openwrt_stats openwrt_stats;
+
unsigned int chan_util_samples_sum;
unsigned int chan_util_num_sample_periods;
unsigned int chan_util_average;
--- a/src/ap/wnm_ap.c
+++ b/src/ap/wnm_ap.c
@@ -386,6 +386,7 @@ static int ieee802_11_send_bss_trans_mgm
mgmt->u.action.u.bss_tm_req.validity_interval = 1;
pos = mgmt->u.action.u.bss_tm_req.variable;
+ hapd->iface->openwrt_stats.wnm.bss_transition_request_tx++;
wpa_printf(MSG_DEBUG, "WNM: Send BSS Transition Management Request to "
MACSTR " dialog_token=%u req_mode=0x%x disassoc_timer=%u "
"validity_interval=%u",
@@ -646,10 +647,12 @@ int ieee802_11_rx_wnm_action_ap(struct h
switch (action) {
case WNM_BSS_TRANS_MGMT_QUERY:
+ hapd->iface->openwrt_stats.wnm.bss_transition_query_rx++;
ieee802_11_rx_bss_trans_mgmt_query(hapd, mgmt->sa, payload,
plen);
return 0;
case WNM_BSS_TRANS_MGMT_RESP:
+ hapd->iface->openwrt_stats.wnm.bss_transition_response_rx++;
ieee802_11_rx_bss_trans_mgmt_resp(hapd, mgmt->sa, payload,
plen);
return 0;
@@ -696,6 +699,7 @@ int wnm_send_disassoc_imminent(struct ho
pos = mgmt->u.action.u.bss_tm_req.variable;
+ hapd->iface->openwrt_stats.wnm.bss_transition_request_tx++;
wpa_printf(MSG_DEBUG, "WNM: Send BSS Transition Management Request frame to indicate imminent disassociation (disassoc_timer=%d) to "
MACSTR, disassoc_timer, MAC2STR(sta->addr));
if (hostapd_drv_send_mlme(hapd, buf, pos - buf, 0, NULL, 0, 0) < 0) {
@@ -777,6 +781,7 @@ int wnm_send_ess_disassoc_imminent(struc
return -1;
}
+ hapd->iface->openwrt_stats.wnm.bss_transition_request_tx++;
if (disassoc_timer) {
/* send disassociation frame after time-out */
set_disassoc_timer(hapd, sta, disassoc_timer);
@@ -856,6 +861,7 @@ int wnm_send_bss_tm_req(struct hostapd_d
}
os_free(buf);
+ hapd->iface->openwrt_stats.wnm.bss_transition_request_tx++;
if (disassoc_timer) {
/* send disassociation frame after time-out */
set_disassoc_timer(hapd, sta, disassoc_timer);
--- a/src/ap/rrm.c
+++ b/src/ap/rrm.c
@@ -269,6 +269,8 @@ static void hostapd_send_nei_report_resp
}
}
+ hapd->iface->openwrt_stats.rrm.neighbor_report_tx++;
+
hostapd_drv_send_action(hapd, hapd->iface->freq, 0, addr,
wpabuf_head(buf), wpabuf_len(buf));
wpabuf_free(buf);

14
package/network/services/hostapd/src/src/ap/ubus.c
View File

@ -406,7 +406,7 @@ hostapd_bss_get_status(struct ubus_context *ctx, struct ubus_object *obj,
struct blob_attr *msg)
{
struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
void *airtime_table, *dfs_table;
void *airtime_table, *dfs_table, *rrm_table, *wnm_table;
struct os_reltime now;
char ssid[SSID_MAX_LEN + 1];
char phy_name[17];
@ -430,6 +430,18 @@ hostapd_bss_get_status(struct ubus_context *ctx, struct ubus_object *obj,
snprintf(phy_name, 17, "%s", hapd->iface->phy);
blobmsg_add_string(&b, "phy", phy_name);
/* RRM */
rrm_table = blobmsg_open_table(&b, "rrm");
blobmsg_add_u64(&b, "neighbor_report_tx", hapd->iface->openwrt_stats.rrm.neighbor_report_tx);
blobmsg_close_table(&b, rrm_table);
/* WNM */
wnm_table = blobmsg_open_table(&b, "wnm");
blobmsg_add_u64(&b, "bss_transition_query_rx", hapd->iface->openwrt_stats.wnm.bss_transition_query_rx);
blobmsg_add_u64(&b, "bss_transition_request_tx", hapd->iface->openwrt_stats.wnm.bss_transition_request_tx);
blobmsg_add_u64(&b, "bss_transition_response_rx", hapd->iface->openwrt_stats.wnm.bss_transition_response_rx);
blobmsg_close_table(&b, rrm_table);
/* Airtime */
airtime_table = blobmsg_open_table(&b, "airtime");
blobmsg_add_u64(&b, "time", hapd->iface->last_channel_time);