diff options
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mld/d3.c | 9 | ||||
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mld/iface.h | 3 | ||||
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mld/key.c | 26 | ||||
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mld/key.h | 4 | ||||
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mld/link.h | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mld/mac80211.c | 10 | ||||
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mld/rx.c | 13 |
7 files changed, 49 insertions, 18 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mld/d3.c b/drivers/net/wireless/intel/iwlwifi/mld/d3.c index 0ac6ceddb44f..da621fe11d62 100644 --- a/drivers/net/wireless/intel/iwlwifi/mld/d3.c +++ b/drivers/net/wireless/intel/iwlwifi/mld/d3.c @@ -11,6 +11,7 @@ #include "mcc.h" #include "sta.h" #include "mlo.h" +#include "key.h" #include "fw/api/d3.h" #include "fw/api/offload.h" @@ -825,12 +826,8 @@ iwl_mld_add_mcast_rekey(struct ieee80211_vif *vif, } /* Also keep track of the new BIGTK */ - if ((key_config->keyidx == 6 || key_config->keyidx == 7) && - vif->type == NL80211_IFTYPE_STATION) { - struct iwl_mld_vif *mld_vif = iwl_mld_vif_from_mac80211(vif); - - rcu_assign_pointer(mld_vif->bigtks[key_config->keyidx - 6], key_config); - } + if (key_config->keyidx == 6 || key_config->keyidx == 7) + iwl_mld_track_bigtk(mld, vif, key_config, true); } static void diff --git a/drivers/net/wireless/intel/iwlwifi/mld/iface.h b/drivers/net/wireless/intel/iwlwifi/mld/iface.h index 05dcb63701b1..38e10e279153 100644 --- a/drivers/net/wireless/intel/iwlwifi/mld/iface.h +++ b/drivers/net/wireless/intel/iwlwifi/mld/iface.h @@ -125,8 +125,6 @@ struct iwl_mld_emlsr { * @ap_sta: pointer to AP sta, for easier access to it. * Relevant only for STA vifs. * @authorized: indicates the AP station was set to authorized - * @bigtks: BIGTKs of the AP, for beacon protection. - * Only valid for STA. (FIXME: needs to be per link) * @num_associated_stas: number of associated STAs. Relevant only for AP mode. * @ap_ibss_active: whether the AP/IBSS was started * @cca_40mhz_workaround: When we are connected in 2.4 GHz and 40 MHz, and the @@ -158,7 +156,6 @@ struct iwl_mld_vif { struct iwl_mld_session_protect session_protect; struct ieee80211_sta *ap_sta; bool authorized; - struct ieee80211_key_conf __rcu *bigtks[2]; u8 num_associated_stas; bool ap_ibss_active; enum iwl_mld_cca_40mhz_wa_status cca_40mhz_workaround; diff --git a/drivers/net/wireless/intel/iwlwifi/mld/key.c b/drivers/net/wireless/intel/iwlwifi/mld/key.c index 13462a5ad79a..a90477971c72 100644 --- a/drivers/net/wireless/intel/iwlwifi/mld/key.c +++ b/drivers/net/wireless/intel/iwlwifi/mld/key.c @@ -368,3 +368,29 @@ int iwl_mld_update_sta_keys(struct iwl_mld *mld, &data); return data.err; } + +void iwl_mld_track_bigtk(struct iwl_mld *mld, + struct ieee80211_vif *vif, + struct ieee80211_key_conf *key, bool add) +{ + struct iwl_mld_vif *mld_vif = iwl_mld_vif_from_mac80211(vif); + struct iwl_mld_link *link; + + if (vif->type != NL80211_IFTYPE_STATION) + return; + + if (WARN_ON(key->keyidx < 6 || key->keyidx > 7)) + return; + + if (WARN_ON(key->link_id < 0)) + return; + + link = iwl_mld_link_dereference_check(mld_vif, key->link_id); + if (WARN_ON(!link)) + return; + + if (add) + rcu_assign_pointer(link->bigtks[key->keyidx - 6], key); + else + RCU_INIT_POINTER(link->bigtks[key->keyidx - 6], NULL); +} diff --git a/drivers/net/wireless/intel/iwlwifi/mld/key.h b/drivers/net/wireless/intel/iwlwifi/mld/key.h index a68ea48913be..63de3469270a 100644 --- a/drivers/net/wireless/intel/iwlwifi/mld/key.h +++ b/drivers/net/wireless/intel/iwlwifi/mld/key.h @@ -36,4 +36,8 @@ iwl_mld_cleanup_keys_iter(struct ieee80211_hw *hw, struct ieee80211_vif *vif, key->hw_key_idx = STA_KEY_IDX_INVALID; } +void iwl_mld_track_bigtk(struct iwl_mld *mld, + struct ieee80211_vif *vif, + struct ieee80211_key_conf *key, bool add); + #endif /* __iwl_mld_key_h__ */ diff --git a/drivers/net/wireless/intel/iwlwifi/mld/link.h b/drivers/net/wireless/intel/iwlwifi/mld/link.h index cad2c9426349..9e4da8e4de93 100644 --- a/drivers/net/wireless/intel/iwlwifi/mld/link.h +++ b/drivers/net/wireless/intel/iwlwifi/mld/link.h @@ -36,6 +36,7 @@ struct iwl_probe_resp_data { * @he_ru_2mhz_block: 26-tone RU OFDMA transmissions should be blocked. * @igtk: fw can only have one IGTK at a time, whereas mac80211 can have two. * This tracks the one IGTK that currently exists in FW. + * @bigtks: BIGTKs of the AP. Only valid for STA mode. * @bcast_sta: station used for broadcast packets. Used in AP, GO and IBSS. * @mcast_sta: station used for multicast packets. Used in AP, GO and IBSS. * @mon_sta: station used for TX injection in monitor interface. @@ -59,6 +60,7 @@ struct iwl_mld_link { struct ieee80211_chanctx_conf __rcu *chan_ctx; bool he_ru_2mhz_block; struct ieee80211_key_conf *igtk; + struct ieee80211_key_conf __rcu *bigtks[2]; ); /* And here fields that survive a fw restart */ struct iwl_mld_int_sta bcast_sta; diff --git a/drivers/net/wireless/intel/iwlwifi/mld/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mld/mac80211.c index b0bd01914a91..f434012b03a6 100644 --- a/drivers/net/wireless/intel/iwlwifi/mld/mac80211.c +++ b/drivers/net/wireless/intel/iwlwifi/mld/mac80211.c @@ -2065,9 +2065,8 @@ static int iwl_mld_set_key_add(struct iwl_mld *mld, return -EOPNOTSUPP; } - if (vif->type == NL80211_IFTYPE_STATION && - (keyidx == 6 || keyidx == 7)) - rcu_assign_pointer(mld_vif->bigtks[keyidx - 6], key); + if (keyidx == 6 || keyidx == 7) + iwl_mld_track_bigtk(mld, vif, key, true); /* After exiting from RFKILL, hostapd configures GTK/ITGK before the * AP is started, but those keys can't be sent to the FW before the @@ -2116,9 +2115,8 @@ static void iwl_mld_set_key_remove(struct iwl_mld *mld, sta ? iwl_mld_sta_from_mac80211(sta) : NULL; int keyidx = key->keyidx; - if (vif->type == NL80211_IFTYPE_STATION && - (keyidx == 6 || keyidx == 7)) - RCU_INIT_POINTER(mld_vif->bigtks[keyidx - 6], NULL); + if (keyidx == 6 || keyidx == 7) + iwl_mld_track_bigtk(mld, vif, key, false); if (mld_sta && key->flags & IEEE80211_KEY_FLAG_PAIRWISE && (key->cipher == WLAN_CIPHER_SUITE_CCMP || diff --git a/drivers/net/wireless/intel/iwlwifi/mld/rx.c b/drivers/net/wireless/intel/iwlwifi/mld/rx.c index b6dedd1ecd4d..53cac9d8018c 100644 --- a/drivers/net/wireless/intel/iwlwifi/mld/rx.c +++ b/drivers/net/wireless/intel/iwlwifi/mld/rx.c @@ -1619,12 +1619,14 @@ static int iwl_mld_rx_mgmt_prot(struct ieee80211_sta *sta, u32 mpdu_status, u32 mpdu_len) { + struct iwl_mld_link *link; struct wireless_dev *wdev; struct iwl_mld_sta *mld_sta; struct iwl_mld_vif *mld_vif; u8 keyidx; struct ieee80211_key_conf *key; const u8 *frame = (void *)hdr; + u8 link_id; if ((mpdu_status & IWL_RX_MPDU_STATUS_SEC_MASK) == IWL_RX_MPDU_STATUS_SEC_NONE) @@ -1657,12 +1659,17 @@ static int iwl_mld_rx_mgmt_prot(struct ieee80211_sta *sta, return 0; } + link_id = rx_status->link_valid ? rx_status->link_id : 0; + link = rcu_dereference(mld_vif->link[link_id]); + if (WARN_ON_ONCE(!link)) + return -1; + /* both keys will have the same cipher and MIC length, use * whichever one is available */ - key = rcu_dereference(mld_vif->bigtks[0]); + key = rcu_dereference(link->bigtks[0]); if (!key) { - key = rcu_dereference(mld_vif->bigtks[1]); + key = rcu_dereference(link->bigtks[1]); if (!key) goto report; } @@ -1680,7 +1687,7 @@ static int iwl_mld_rx_mgmt_prot(struct ieee80211_sta *sta, if (keyidx != 6 && keyidx != 7) return -1; - key = rcu_dereference(mld_vif->bigtks[keyidx - 6]); + key = rcu_dereference(link->bigtks[keyidx - 6]); if (!key) goto report; } |