diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mld/mac80211.c')
-rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mld/mac80211.c | 238 |
1 files changed, 120 insertions, 118 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mld/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mld/mac80211.c index 6851064b82da..b0bd01914a91 100644 --- a/drivers/net/wireless/intel/iwlwifi/mld/mac80211.c +++ b/drivers/net/wireless/intel/iwlwifi/mld/mac80211.c @@ -4,6 +4,7 @@ */ #include <net/mac80211.h> +#include <linux/fips.h> #include <linux/ip.h> #include "mld.h" @@ -156,6 +157,9 @@ static void iwl_mld_hw_set_security(struct iwl_mld *mld) WLAN_CIPHER_SUITE_BIP_GMAC_256 }; + if (fips_enabled) + return; + hw->wiphy->n_cipher_suites = ARRAY_SIZE(mld_ciphers); hw->wiphy->cipher_suites = mld_ciphers; @@ -180,6 +184,9 @@ static void iwl_mld_hw_set_pm(struct iwl_mld *mld) if (!device_can_wakeup(mld->trans->dev)) return; + if (fips_enabled) + return; + mld->wowlan.flags |= WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT | WIPHY_WOWLAN_EAP_IDENTITY_REQ | @@ -243,7 +250,6 @@ static void iwl_mac_hw_set_flags(struct iwl_mld *mld) ieee80211_hw_set(hw, TX_AMPDU_SETUP_IN_HW); ieee80211_hw_set(hw, HAS_RATE_CONTROL); ieee80211_hw_set(hw, SUPPORTS_REORDERING_BUFFER); - ieee80211_hw_set(hw, DISALLOW_PUNCTURING_5GHZ); ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS); ieee80211_hw_set(hw, SUPPORTS_AMSDU_IN_AMPDU); ieee80211_hw_set(hw, TDLS_WIDER_BW); @@ -285,9 +291,11 @@ static void iwl_mac_hw_set_wiphy(struct iwl_mld *mld) WIPHY_FLAG_SUPPORTS_TDLS | WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK; + /* For fips_enabled, don't support WiFi7 due to WPA3/MFP requirements */ if (mld->nvm_data->sku_cap_11be_enable && !iwlwifi_mod_params.disable_11ax && - !iwlwifi_mod_params.disable_11be) + !iwlwifi_mod_params.disable_11be && + !fips_enabled) wiphy->flags |= WIPHY_FLAG_SUPPORTS_MLO; /* the firmware uses u8 for num of iterations, but 0xff is saved for @@ -305,7 +313,7 @@ static void iwl_mac_hw_set_wiphy(struct iwl_mld *mld) wiphy->max_remain_on_channel_duration = 10000; - wiphy->hw_version = mld->trans->hw_id; + wiphy->hw_version = mld->trans->info.hw_id; wiphy->hw_timestamp_max_peers = 1; @@ -351,9 +359,9 @@ static void iwl_mac_hw_set_misc(struct iwl_mld *mld) hw->queues = IEEE80211_NUM_ACS; hw->netdev_features = NETIF_F_HIGHDMA | NETIF_F_SG; - hw->netdev_features |= mld->cfg->features; + hw->netdev_features |= mld->trans->mac_cfg->base->features; - hw->max_tx_fragments = mld->trans->max_skb_frags; + hw->max_tx_fragments = mld->trans->info.max_skb_frags; hw->max_listen_interval = IWL_MLD_CONN_LISTEN_INTERVAL; hw->uapsd_max_sp_len = IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL; @@ -376,6 +384,24 @@ static void iwl_mac_hw_set_misc(struct iwl_mld *mld) static int iwl_mld_hw_verify_preconditions(struct iwl_mld *mld) { + int ratecheck; + + /* check for rates version 3 */ + ratecheck = + (iwl_fw_lookup_cmd_ver(mld->fw, TX_CMD, 0) >= 11) + + (iwl_fw_lookup_notif_ver(mld->fw, DATA_PATH_GROUP, + TLC_MNG_UPDATE_NOTIF, 0) >= 4) + + (iwl_fw_lookup_notif_ver(mld->fw, LEGACY_GROUP, + REPLY_RX_MPDU_CMD, 0) >= 6) + + (iwl_fw_lookup_notif_ver(mld->fw, DATA_PATH_GROUP, + RX_NO_DATA_NOTIF, 0) >= 4) + + (iwl_fw_lookup_notif_ver(mld->fw, LONG_GROUP, TX_CMD, 0) >= 9); + + if (ratecheck != 0 && ratecheck != 5) { + IWL_ERR(mld, "Firmware has inconsistent rates\n"); + return -EINVAL; + } + /* 11ax is expected to be enabled for all supported devices */ if (WARN_ON(!mld->nvm_data->sku_cap_11ax_enable)) return -EINVAL; @@ -475,8 +501,8 @@ static int iwl_mld_mac80211_start(struct ieee80211_hw *hw) { struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); - int ret; bool in_d3 = false; + int ret = 0; lockdep_assert_wiphy(mld->wiphy); @@ -491,8 +517,15 @@ int iwl_mld_mac80211_start(struct ieee80211_hw *hw) if (in_d3) { /* mac80211 already cleaned up the state, no need for cleanup */ ret = iwl_mld_no_wowlan_resume(mld); - if (ret) + if (ret) { iwl_mld_stop_fw(mld); + /* We're not really restarting in the sense of + * in_hw_restart even if we got an error during + * this. We'll just start again below and have + * nothing to recover, mac80211 will do anyway. + */ + mld->fw_status.in_hw_restart = false; + } } #endif /* CONFIG_PM_SLEEP */ @@ -537,18 +570,10 @@ void iwl_mld_mac80211_stop(struct ieee80211_hw *hw, bool suspend) /* if the suspend flow fails the fw is in error. Stop it here, and it * will be started upon wakeup */ - if (!suspend || iwl_mld_no_wowlan_suspend(mld)) + if (!suspend || + (IS_ENABLED(CONFIG_PM_SLEEP) && iwl_mld_no_wowlan_suspend(mld))) iwl_mld_stop_fw(mld); - /* HW is stopped, no more coming RX. OTOH, the worker can't run as the - * wiphy lock is held. Cancel it in case it was scheduled just before - * we stopped the HW. - */ - wiphy_work_cancel(mld->wiphy, &mld->async_handlers_wk); - - /* Empty out the list, as the worker won't do that */ - iwl_mld_purge_async_handlers_list(mld); - /* Clear in_hw_restart flag when stopping the hw, as mac80211 won't * execute the restart. */ @@ -565,7 +590,8 @@ void iwl_mld_mac80211_stop(struct ieee80211_hw *hw, bool suspend) } static -int iwl_mld_mac80211_config(struct ieee80211_hw *hw, u32 changed) +int iwl_mld_mac80211_config(struct ieee80211_hw *hw, int radio_idx, + u32 changed) { return 0; } @@ -650,6 +676,7 @@ void iwl_mld_mac80211_remove_interface(struct ieee80211_hw *hw, #ifdef CONFIG_IWLWIFI_DEBUGFS debugfs_remove(iwl_mld_vif_from_mac80211(vif)->dbgfs_slink); + iwl_mld_vif_from_mac80211(vif)->dbgfs_slink = NULL; #endif iwl_mld_rm_vif(mld, vif); @@ -895,9 +922,8 @@ void iwl_mld_change_chanctx(struct ieee80211_hw *hw, return; } update: - phy->chandef = *chandef; - iwl_mld_phy_fw_action(mld, ctx, FW_CTXT_ACTION_MODIFY); + iwl_mld_update_phy_chandef(mld, ctx); } static u8 @@ -989,10 +1015,9 @@ int iwl_mld_assign_vif_chanctx(struct ieee80211_hw *hw, if (n_active > 1) { struct iwl_mld_vif *mld_vif = iwl_mld_vif_from_mac80211(vif); - iwl_mld_leave_omi_bw_reduction(mld); - /* Indicate to mac80211 that EML is enabled */ vif->driver_flags |= IEEE80211_VIF_EML_ACTIVE; + mld_vif->emlsr.last_entry_ts = jiffies; if (vif->active_links & BIT(mld_vif->emlsr.selected_links)) mld_vif->emlsr.primary = mld_vif->emlsr.selected_primary; @@ -1029,12 +1054,19 @@ int iwl_mld_assign_vif_chanctx(struct ieee80211_hw *hw, iwl_mld_send_ap_tx_power_constraint_cmd(mld, vif, link); if (vif->type == NL80211_IFTYPE_MONITOR) { - /* TODO: task=sniffer add sniffer station */ + ret = iwl_mld_add_mon_sta(mld, vif, link); + if (ret) + goto deactivate_link; + mld->monitor.p80 = iwl_mld_chandef_get_primary_80(&vif->bss_conf.chanreq.oper); } return 0; + +deactivate_link: + if (mld_link->active) + iwl_mld_deactivate_link(mld, link); err: RCU_INIT_POINTER(mld_link->chan_ctx, NULL); return ret; @@ -1060,7 +1092,8 @@ void iwl_mld_unassign_vif_chanctx(struct ieee80211_hw *hw, iwl_mld_deactivate_link(mld, link); - /* TODO: task=sniffer remove sniffer station */ + if (vif->type == NL80211_IFTYPE_MONITOR) + iwl_mld_remove_mon_sta(mld, vif, link); if (n_active > 1) { /* Indicate to mac80211 that EML is disabled */ @@ -1085,7 +1118,8 @@ void iwl_mld_unassign_vif_chanctx(struct ieee80211_hw *hw, } static -int iwl_mld_mac80211_set_rts_threshold(struct ieee80211_hw *hw, u32 value) +int iwl_mld_mac80211_set_rts_threshold(struct ieee80211_hw *hw, int radio_idx, + u32 value) { return 0; } @@ -1176,20 +1210,6 @@ iwl_mld_mac80211_link_info_changed_sta(struct iwl_mld *mld, if (changes & (BSS_CHANGED_CQM | BSS_CHANGED_BEACON_INFO)) iwl_mld_enable_beacon_filter(mld, link_conf, false); - /* If we have used OMI before to reduce bandwidth to 80 MHz and then - * increased to 160 MHz again, and then the AP changes to 320 MHz, it - * will think that we're limited to 160 MHz right now. Update it by - * requesting a new OMI bandwidth. - */ - if (changes & BSS_CHANGED_BANDWIDTH) { - enum ieee80211_sta_rx_bandwidth bw; - - bw = ieee80211_chan_width_to_rx_bw(link_conf->chanreq.oper.width); - - iwl_mld_omi_ap_changed_bw(mld, link_conf, bw); - - } - if (changes & BSS_CHANGED_BANDWIDTH) iwl_mld_retry_emlsr(mld, vif); } @@ -1256,9 +1276,14 @@ iwl_mld_mac80211_link_info_changed(struct ieee80211_hw *hw, } static void -iwl_mld_smps_wa(struct iwl_mld *mld, struct ieee80211_vif *vif, bool enable) +iwl_mld_smps_workaround(struct iwl_mld *mld, struct ieee80211_vif *vif, bool enable) { struct iwl_mld_vif *mld_vif = iwl_mld_vif_from_mac80211(vif); + bool workaround_required = + iwl_fw_lookup_cmd_ver(mld->fw, MAC_PM_POWER_TABLE, 0) < 2; + + if (!workaround_required) + return; /* Send the device-level power commands since the * firmware checks the POWER_TABLE_CMD's POWER_SAVE_EN bit to @@ -1305,7 +1330,7 @@ void iwl_mld_mac80211_vif_cfg_changed(struct ieee80211_hw *hw, } if (changes & BSS_CHANGED_PS) { - iwl_mld_smps_wa(mld, vif, vif->cfg.ps); + iwl_mld_smps_workaround(mld, vif, vif->cfg.ps); iwl_mld_update_mac_power(mld, vif, false); } @@ -1318,13 +1343,22 @@ iwl_mld_mac80211_hw_scan(struct ieee80211_hw *hw, struct ieee80211_scan_request *hw_req) { struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); + int ret; if (WARN_ON(!hw_req->req.n_channels || hw_req->req.n_channels > mld->fw->ucode_capa.n_scan_channels)) return -EINVAL; - return iwl_mld_regular_scan_start(mld, vif, &hw_req->req, &hw_req->ies); + ret = iwl_mld_regular_scan_start(mld, vif, &hw_req->req, &hw_req->ies); + if (!ret) { + /* We will be busy with scanning, so the counters may not reflect the + * reality. Stop checking the counters until the scan ends + */ + iwl_mld_start_ignoring_tpt_updates(mld); + } + + return ret; } static void @@ -1340,8 +1374,11 @@ iwl_mld_mac80211_cancel_hw_scan(struct ieee80211_hw *hw, * cancel scan before ieee80211_scan_work() could run. * To handle that, simply return if the scan is not running. */ - if (mld->scan.status & IWL_MLD_SCAN_REGULAR) + if (mld->scan.status & IWL_MLD_SCAN_REGULAR) { iwl_mld_scan_stop(mld, IWL_MLD_SCAN_REGULAR, true); + /* Scan is over, we can check again the tpt counters */ + iwl_mld_stop_ignoring_tpt_updates(mld); + } } static int @@ -1376,30 +1413,6 @@ iwl_mld_mac80211_sched_scan_stop(struct ieee80211_hw *hw, } static void -iwl_mld_restart_complete_vif(void *data, u8 *mac, struct ieee80211_vif *vif) -{ - struct iwl_mld_vif *mld_vif = iwl_mld_vif_from_mac80211(vif); - struct ieee80211_bss_conf *link_conf; - struct iwl_mld *mld = data; - int link_id; - - for_each_vif_active_link(vif, link_conf, link_id) { - enum ieee80211_sta_rx_bandwidth bw; - struct iwl_mld_link *mld_link; - - mld_link = wiphy_dereference(mld->wiphy, - mld_vif->link[link_id]); - - if (WARN_ON_ONCE(!mld_link)) - continue; - - bw = mld_link->rx_omi.bw_in_progress; - if (bw) - iwl_mld_change_link_omi_bw(mld, link_conf, bw); - } -} - -static void iwl_mld_mac80211_reconfig_complete(struct ieee80211_hw *hw, enum ieee80211_reconfig_type reconfig_type) { @@ -1409,11 +1422,6 @@ iwl_mld_mac80211_reconfig_complete(struct ieee80211_hw *hw, case IEEE80211_RECONFIG_TYPE_RESTART: mld->fw_status.in_hw_restart = false; iwl_mld_send_recovery_cmd(mld, ERROR_RECOVERY_END_OF_RECOVERY); - - ieee80211_iterate_interfaces(mld->hw, - IEEE80211_IFACE_ITER_NORMAL, - iwl_mld_restart_complete_vif, mld); - iwl_trans_finish_sw_reset(mld->trans); /* no need to lock, adding in parallel would schedule too */ if (!list_empty(&mld->txqs_to_add)) @@ -1434,7 +1442,7 @@ void iwl_mld_mac80211_mgd_prepare_tx(struct ieee80211_hw *hw, struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); u32 duration = IWL_MLD_SESSION_PROTECTION_ASSOC_TIME_MS; - /* After a successful association the connection is etalibeshed + /* After a successful association the connection is established * and we can rely on the quota to send the disassociation frame. */ if (info->was_assoc) @@ -1637,18 +1645,6 @@ static int iwl_mld_move_sta_state_up(struct iwl_mld *mld, return -EBUSY; } - /* - * If this is the first STA (i.e. the AP) it won't do - * anything, otherwise must leave for any new STA on - * any other interface, or for TDLS, etc. - * Need to call this _before_ adding the STA so it can - * look up the one STA to use to ask mac80211 to leave - * OMI; in the unlikely event that adding the new STA - * then fails we'll just re-enter OMI later (via the - * statistics notification handling.) - */ - iwl_mld_leave_omi_bw_reduction(mld); - ret = iwl_mld_add_sta(mld, sta, vif, STATION_TYPE_PEER); if (ret) return ret; @@ -1718,7 +1714,7 @@ static int iwl_mld_move_sta_state_up(struct iwl_mld *mld, FW_CTXT_ACTION_MODIFY); if (ret) return ret; - iwl_mld_smps_wa(mld, vif, vif->cfg.ps); + iwl_mld_smps_workaround(mld, vif, vif->cfg.ps); } /* MFP is set by default before the station is authorized. @@ -1761,7 +1757,7 @@ static int iwl_mld_move_sta_state_down(struct iwl_mld *mld, &mld_vif->emlsr.check_tpt_wk); iwl_mld_reset_cca_40mhz_workaround(mld, vif); - iwl_mld_smps_wa(mld, vif, true); + iwl_mld_smps_workaround(mld, vif, true); } /* once we move into assoc state, need to update the FW to @@ -1874,6 +1870,10 @@ iwl_mld_mac80211_ampdu_action(struct ieee80211_hw *hw, switch (action) { case IEEE80211_AMPDU_RX_START: + if (!iwl_enable_rx_ampdu()) { + ret = -EINVAL; + break; + } ret = iwl_mld_ampdu_rx_start(mld, sta, tid, ssn, buf_size, timeout); break; @@ -1943,6 +1943,7 @@ static void iwl_mld_sta_rc_update(struct ieee80211_hw *hw, } } +#ifdef CONFIG_PM_SLEEP static void iwl_mld_set_wakeup(struct ieee80211_hw *hw, bool enabled) { struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); @@ -1994,13 +1995,14 @@ static int iwl_mld_resume(struct ieee80211_hw *hw) return 0; } +#endif static int iwl_mld_alloc_ptk_pn(struct iwl_mld *mld, struct iwl_mld_sta *mld_sta, struct ieee80211_key_conf *key, struct iwl_mld_ptk_pn **ptk_pn) { - u8 num_rx_queues = mld->trans->num_rx_queues; + u8 num_rx_queues = mld->trans->info.num_rxqs; int keyidx = key->keyidx; struct ieee80211_key_seq seq; @@ -2456,15 +2458,17 @@ iwl_mld_change_vif_links(struct ieee80211_hw *hw, added |= BIT(0); for (int i = 0; i < IEEE80211_MLD_MAX_NUM_LINKS; i++) { - if (removed & BIT(i)) + if (removed & BIT(i) && !WARN_ON(!old[i])) iwl_mld_remove_link(mld, old[i]); } for (int i = 0; i < IEEE80211_MLD_MAX_NUM_LINKS; i++) { if (added & BIT(i)) { link_conf = link_conf_dereference_protected(vif, i); - if (WARN_ON(!link_conf)) - return -EINVAL; + if (!link_conf) { + err = -EINVAL; + goto remove_added_links; + } err = iwl_mld_add_link(mld, link_conf); if (err) @@ -2499,7 +2503,11 @@ remove_added_links: iwl_mld_remove_link(mld, link_conf); } - return err; + if (WARN_ON(!iwl_mld_error_before_recovery(mld))) + return err; + + /* reconfig will fix us anyway */ + return 0; } static int iwl_mld_change_sta_links(struct ieee80211_hw *hw, @@ -2531,28 +2539,6 @@ static int iwl_mld_mac80211_tx_last_beacon(struct ieee80211_hw *hw) return mld->ibss_manager; } -#define IWL_MLD_EMLSR_BLOCKED_TMP_NON_BSS_TIMEOUT (5 * HZ) - -static void iwl_mld_vif_iter_emlsr_block_tmp_non_bss(void *_data, u8 *mac, - struct ieee80211_vif *vif) -{ - struct iwl_mld_vif *mld_vif = iwl_mld_vif_from_mac80211(vif); - int ret; - - if (!iwl_mld_vif_has_emlsr_cap(vif)) - return; - - ret = iwl_mld_block_emlsr_sync(mld_vif->mld, vif, - IWL_MLD_EMLSR_BLOCKED_TMP_NON_BSS, - iwl_mld_get_primary_link(vif)); - if (ret) - return; - - wiphy_delayed_work_queue(mld_vif->mld->wiphy, - &mld_vif->emlsr.tmp_non_bss_done_wk, - IWL_MLD_EMLSR_BLOCKED_TMP_NON_BSS_TIMEOUT); -} - static void iwl_mld_prep_add_interface(struct ieee80211_hw *hw, enum nl80211_iftype type) { @@ -2565,10 +2551,7 @@ static void iwl_mld_prep_add_interface(struct ieee80211_hw *hw, type == NL80211_IFTYPE_P2P_CLIENT)) return; - ieee80211_iterate_active_interfaces_mtx(mld->hw, - IEEE80211_IFACE_ITER_NORMAL, - iwl_mld_vif_iter_emlsr_block_tmp_non_bss, - NULL); + iwl_mld_emlsr_block_tmp_non_bss(mld); } static int iwl_mld_set_hw_timestamp(struct ieee80211_hw *hw, @@ -2598,6 +2581,23 @@ static int iwl_mld_start_pmsr(struct ieee80211_hw *hw, return iwl_mld_ftm_start(mld, vif, request); } +static enum ieee80211_neg_ttlm_res +iwl_mld_can_neg_ttlm(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + struct ieee80211_neg_ttlm *neg_ttlm) +{ + u16 map; + + /* Verify all TIDs are mapped to the same links set */ + map = neg_ttlm->downlink[0]; + for (int i = 0; i < IEEE80211_TTLM_NUM_TIDS; i++) { + if (neg_ttlm->downlink[i] != neg_ttlm->uplink[i] || + neg_ttlm->uplink[i] != map) + return NEG_TTLM_RES_REJECT; + } + + return NEG_TTLM_RES_ACCEPT; +} + const struct ieee80211_ops iwl_mld_hw_ops = { .tx = iwl_mld_mac80211_tx, .start = iwl_mld_mac80211_start, @@ -2627,6 +2627,7 @@ const struct ieee80211_ops iwl_mld_hw_ops = { .mgd_complete_tx = iwl_mld_mac_mgd_complete_tx, .sta_state = iwl_mld_mac80211_sta_state, .sta_statistics = iwl_mld_mac80211_sta_statistics, + .get_survey = iwl_mld_mac80211_get_survey, .flush = iwl_mld_mac80211_flush, .flush_sta = iwl_mld_mac80211_flush_sta, .ampdu_action = iwl_mld_mac80211_ampdu_action, @@ -2667,4 +2668,5 @@ const struct ieee80211_ops iwl_mld_hw_ops = { .prep_add_interface = iwl_mld_prep_add_interface, .set_hw_timestamp = iwl_mld_set_hw_timestamp, .start_pmsr = iwl_mld_start_pmsr, + .can_neg_ttlm = iwl_mld_can_neg_ttlm, }; 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