AP MLD: Add link details in STATUS command

Include link ID and partner link details in the STATUS command output
for AP MLDs.

The details would be seen as below for an AP MLD interface:

$ hostapd_cli -i wlan0 status | grep link
num_links=1
link_id=0
link_addr=AA:BB:CC:DD:EE:FF

$ hostapd_cli -i wlan1 status | grep link
num_links=2
link_id=0
link_addr=AA:BB:CC:DD:EE:FF
partner_link[1]=AA:BB:CC:DD:EE:AA

Signed-off-by: Harshitha Prem <quic_hprem@quicinc.com>
Co-developed-by: Manish Dharanenthiran <quic_mdharane@quicinc.com>
Signed-off-by: Manish Dharanenthiran <quic_mdharane@quicinc.com>
Signed-off-by: Aditya Kumar Singh <quic_adisi@quicinc.com>

diff --git a/src/ap/ctrl_iface_ap.c b/src/ap/ctrl_iface_ap.c
index eac06065441347b7cd65f60088499f64f8599d3d..1acb97f9b5361c260d166a95038cfdc9d3a93c1a 100644 (file)
--- a/src/ap/ctrl_iface_ap.c
+++ b/src/ap/ctrl_iface_ap.c
@@ -902,6 +902,42 @@ int hostapd_ctrl_iface_status(struct hostapd_data *hapd, char *buf,
                                return len;
                        len += ret;
                }
+
+               if (hapd->conf->mld_ap) {
+                       struct hostapd_data *link_bss;
+
+                       ret = os_snprintf(buf + len, buflen - len,
+                                         "num_links=%d\n",
+                                         hapd->mld->num_links);
+                       if (os_snprintf_error(buflen - len, ret))
+                               return len;
+                       len += ret;
+
+                       /* Self BSS */
+                       ret = os_snprintf(buf + len, buflen - len,
+                                         "link_id=%d\n"
+                                         "link_addr=" MACSTR "\n",
+                                         hapd->mld_link_id,
+                                         MAC2STR(hapd->own_addr));
+                       if (os_snprintf_error(buflen - len, ret))
+                               return len;
+                       len += ret;
+
+                       /* Partner BSSs */
+                       for_each_mld_link(link_bss, hapd) {
+                               if (link_bss == hapd)
+                                       continue;
+
+                               ret = os_snprintf(buf + len, buflen - len,
+                                                 "partner_link[%d]=" MACSTR
+                                                 "\n",
+                                                 link_bss->mld_link_id,
+                                                 MAC2STR(link_bss->own_addr));
+                               if (os_snprintf_error(buflen - len, ret))
+                                       return len;
+                               len += ret;
+                       }
+               }
        }
 #endif /* CONFIG_IEEE80211BE */