From b65567b03c9502e67bed6707cb53a4c730c2bee2 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Fri, 24 Jun 2022 16:08:39 +0200 Subject: [PATCH] wifi: mac80211: mlme: track AP (MLD) address separately To prepare a bit more for MLO in the client code, track the AP's address (for now only the BSSID, but will track the AP MLD's address later) separately from the per-link BSSID. Signed-off-by: Johannes Berg --- include/net/mac80211.h | 3 +++ net/mac80211/mlme.c | 30 ++++++++++++++++-------------- 2 files changed, 19 insertions(+), 14 deletions(-) diff --git a/include/net/mac80211.h b/include/net/mac80211.h index 7cf8d58eb5f0e..36eba96a1012c 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -1728,6 +1728,8 @@ enum ieee80211_offload_flags { * @idle: This interface is idle. There's also a global idle flag in the * hardware config which may be more appropriate depending on what * your driver/device needs to do. + * @ap_addr: AP MLD address, or BSSID for non-MLO connections + * (station mode only) */ struct ieee80211_vif_cfg { /* association related data */ @@ -1742,6 +1744,7 @@ struct ieee80211_vif_cfg { size_t ssid_len; bool s1g; bool idle; + u8 ap_addr[ETH_ALEN] __aligned(2); }; /** diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 7eab15920a703..a2e8fe9b43ab6 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -1808,7 +1808,7 @@ static bool ieee80211_powersave_allowed(struct ieee80211_sub_if_data *sdata) return false; rcu_read_lock(); - sta = sta_info_get(sdata, sdata->deflink.u.mgd.bssid); + sta = sta_info_get(sdata, sdata->vif.cfg.ap_addr); if (sta) authorized = test_sta_flag(sta, WLAN_STA_AUTHORIZED); rcu_read_unlock(); @@ -2313,6 +2313,7 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata, sdata->u.mgd.associated = true; sdata->deflink.u.mgd.bss = cbss; memcpy(sdata->deflink.u.mgd.bssid, cbss->bssid, ETH_ALEN); + memcpy(sdata->vif.cfg.ap_addr, cbss->bssid, ETH_ALEN); ieee80211_check_rate_mask(sdata); @@ -2463,6 +2464,7 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata, /* clear bssid only after building the needed mgmt frames */ eth_zero_addr(sdata->deflink.u.mgd.bssid); + eth_zero_addr(sdata->vif.cfg.ap_addr); sdata->vif.cfg.ssid_len = 0; /* remove AP and TDLS peers */ @@ -2653,7 +2655,7 @@ static void ieee80211_mlme_send_probe_req(struct ieee80211_sub_if_data *sdata, static void ieee80211_mgd_probe_ap_send(struct ieee80211_sub_if_data *sdata) { struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; - u8 *dst = sdata->deflink.u.mgd.bssid; + u8 *dst = sdata->vif.cfg.ap_addr; u8 unicast_limit = max(1, max_probe_tries - 3); struct sta_info *sta; @@ -2882,13 +2884,13 @@ static void ieee80211_beacon_connection_loss_work(struct work_struct *work) if (ifmgd->connection_loss) { sdata_info(sdata, "Connection to AP %pM lost\n", - sdata->deflink.u.mgd.bssid); + sdata->vif.cfg.ap_addr); __ieee80211_disconnect(sdata); ifmgd->connection_loss = false; } else if (ifmgd->driver_disconnect) { sdata_info(sdata, "Driver requested disconnection from AP %pM\n", - sdata->deflink.u.mgd.bssid); + sdata->vif.cfg.ap_addr); __ieee80211_disconnect(sdata); ifmgd->driver_disconnect = false; } else { @@ -3042,7 +3044,7 @@ static void ieee80211_auth_challenge(struct ieee80211_sub_if_data *sdata, } static bool ieee80211_mark_sta_auth(struct ieee80211_sub_if_data *sdata, - const u8 *bssid) + const u8 *ap_addr) { struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; struct sta_info *sta; @@ -3056,14 +3058,14 @@ static bool ieee80211_mark_sta_auth(struct ieee80211_sub_if_data *sdata, /* move station state to auth */ mutex_lock(&sdata->local->sta_mtx); - sta = sta_info_get(sdata, bssid); + sta = sta_info_get(sdata, ap_addr); if (!sta) { - WARN_ONCE(1, "%s: STA %pM not found", sdata->name, bssid); + WARN_ONCE(1, "%s: STA %pM not found", sdata->name, ap_addr); result = false; goto out; } if (sta_info_move_state(sta, IEEE80211_STA_AUTH)) { - sdata_info(sdata, "failed moving %pM to auth\n", bssid); + sdata_info(sdata, "failed moving %pM to auth\n", ap_addr); result = false; goto out; } @@ -4402,7 +4404,7 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata, erp_valid, erp_value); mutex_lock(&local->sta_mtx); - sta = sta_info_get(sdata, bssid); + sta = sta_info_get(sdata, sdata->vif.cfg.ap_addr); changed |= ieee80211_recalc_twt_req(sdata, sta, elems); @@ -4885,7 +4887,7 @@ static void ieee80211_sta_conn_mon_timer(struct timer_list *t) !sdata->deflink.u.mgd.csa_waiting_bcn) return; - sta = sta_info_get(sdata, sdata->deflink.u.mgd.bssid); + sta = sta_info_get(sdata, sdata->vif.cfg.ap_addr); if (!sta) return; @@ -4981,7 +4983,7 @@ void ieee80211_mgd_quiesce(struct ieee80211_sub_if_data *sdata) .bssid = bssid, }; - memcpy(bssid, sdata->deflink.u.mgd.bssid, ETH_ALEN); + memcpy(bssid, sdata->vif.cfg.ap_addr, ETH_ALEN); ieee80211_mgd_deauth(sdata, &req); } @@ -5909,7 +5911,7 @@ int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata, sdata_info(sdata, "disconnect from AP %pM for new auth to %pM\n", - sdata->deflink.u.mgd.bssid, req->bss->bssid); + sdata->vif.cfg.ap_addr, req->bss->bssid); ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DEAUTH, WLAN_REASON_UNSPECIFIED, false, frame_buf); @@ -5986,7 +5988,7 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, sdata_info(sdata, "disconnect from AP %pM for new assoc to %pM\n", - sdata->deflink.u.mgd.bssid, req->bss->bssid); + sdata->vif.cfg.ap_addr, req->bss->bssid); ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DEAUTH, WLAN_REASON_UNSPECIFIED, false, frame_buf); @@ -6344,7 +6346,7 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata, } if (ifmgd->associated && - ether_addr_equal(sdata->deflink.u.mgd.bssid, req->bssid)) { + ether_addr_equal(sdata->vif.cfg.ap_addr, req->bssid)) { sdata_info(sdata, "deauthenticating from %pM by local choice (Reason: %u=%s)\n", req->bssid, req->reason_code, -- 2.30.2