wifi: mac80211_hwsim: add debug messages for link changes

It's useful to be able to see the link addresses when the
interface links change, so add some prints to hwsim for the
vif link change callback.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Reviewed-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20260527224151.b22a048abc7c.Ief2132c5c4bb67fa56e90eb8e7d59dfd9f2b9378@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

diff --git a/drivers/net/wireless/virtual/mac80211_hwsim_main.c b/drivers/net/wireless/virtual/mac80211_hwsim_main.c
index 1512e160e41a0047db6fef7c99aea5b5f0dd85d4..6ea082157307b8b23ca376889d48a7fa3ff71d44 100644 (file)
--- a/drivers/net/wireless/virtual/mac80211_hwsim_main.c
+++ b/drivers/net/wireless/virtual/mac80211_hwsim_main.c
@@ -3534,8 +3534,13 @@ static int mac80211_hwsim_change_vif_links(struct ieee80211_hw *hw,
        if (!new_links)
                add |= BIT(0);
 
-       for_each_set_bit(i, &rem, IEEE80211_MLD_MAX_NUM_LINKS)
+       wiphy_dbg(hw->wiphy, "%s:\n", __func__);
+
+       for_each_set_bit(i, &rem, IEEE80211_MLD_MAX_NUM_LINKS) {
                mac80211_hwsim_config_mac_nl(hw, old[i]->addr, false);
+               wiphy_dbg(hw->wiphy,
+                         "  link [%d/%pM] removed\n", i, old[i]->addr);
+       }
 
        for_each_set_bit(i, &add, IEEE80211_MLD_MAX_NUM_LINKS) {
                struct ieee80211_bss_conf *link_conf;
@@ -3545,6 +3550,8 @@ static int mac80211_hwsim_change_vif_links(struct ieee80211_hw *hw,
                        continue;
 
                mac80211_hwsim_config_mac_nl(hw, link_conf->addr, true);
+               wiphy_dbg(hw->wiphy,
+                         "  link [%d/%pM] added\n", i, link_conf->addr);
        }
 
        return 0;