diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/sta.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/sta.c | 69 |
1 files changed, 45 insertions, 24 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c index 56ae72debb96..fee01cbbd3ac 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c @@ -5,10 +5,9 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2012 - 2015 Intel Corporation. All rights reserved. + * Copyright(c) 2012 - 2015, 2018 - 2020 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * Copyright(c) 2016 - 2017 Intel Deutschland GmbH - * Copyright(c) 2018 - 2019 Intel Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -28,10 +27,9 @@ * * BSD LICENSE * - * Copyright(c) 2012 - 2015 Intel Corporation. All rights reserved. + * Copyright(c) 2012 - 2015, 2018 - 2020 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * Copyright(c) 2016 - 2017 Intel Deutschland GmbH - * Copyright(c) 2018 - 2019 Intel Corporation * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -751,16 +749,23 @@ static int iwl_mvm_tvqm_enable_txq(struct iwl_mvm *mvm, size = max_t(u32, IWL_MGMT_QUEUE_SIZE, mvm->trans->cfg->min_txq_size); } - queue = iwl_trans_txq_alloc(mvm->trans, - cpu_to_le16(TX_QUEUE_CFG_ENABLE_QUEUE), - sta_id, tid, SCD_QUEUE_CFG, size, timeout); - if (queue < 0) { - IWL_DEBUG_TX_QUEUES(mvm, - "Failed allocating TXQ for sta %d tid %d, ret: %d\n", - sta_id, tid, queue); + do { + __le16 enable = cpu_to_le16(TX_QUEUE_CFG_ENABLE_QUEUE); + + queue = iwl_trans_txq_alloc(mvm->trans, enable, + sta_id, tid, SCD_QUEUE_CFG, + size, timeout); + + if (queue < 0) + IWL_DEBUG_TX_QUEUES(mvm, + "Failed allocating TXQ of size %d for sta %d tid %d, ret: %d\n", + size, sta_id, tid, queue); + size /= 2; + } while (queue < 0 && size >= 16); + + if (queue < 0) return queue; - } IWL_DEBUG_TX_QUEUES(mvm, "Enabling TXQ #%d for sta %d tid %d\n", queue, sta_id, tid); @@ -1395,7 +1400,17 @@ void iwl_mvm_add_new_dqa_stream_wk(struct work_struct *wk) if (tid == IEEE80211_NUM_TIDS) tid = IWL_MAX_TID_COUNT; - iwl_mvm_sta_alloc_queue(mvm, txq->sta, txq->ac, tid); + /* + * We can't really do much here, but if this fails we can't + * transmit anyway - so just don't transmit the frame etc. + * and let them back up ... we've tried our best to allocate + * a queue in the function itself. + */ + if (iwl_mvm_sta_alloc_queue(mvm, txq->sta, txq->ac, tid)) { + list_del_init(&mvmtxq->list); + continue; + } + list_del_init(&mvmtxq->list); local_bh_disable(); iwl_mvm_mac_itxq_xmit(mvm->hw, txq); @@ -1965,9 +1980,8 @@ void iwl_mvm_dealloc_int_sta(struct iwl_mvm *mvm, struct iwl_mvm_int_sta *sta) static void iwl_mvm_enable_aux_snif_queue(struct iwl_mvm *mvm, u16 queue, u8 sta_id, u8 fifo) { - unsigned int wdg_timeout = iwlmvm_mod_params.tfd_q_hang_detect ? - mvm->trans->trans_cfg->base_params->wd_timeout : - IWL_WATCHDOG_DISABLED; + unsigned int wdg_timeout = + mvm->trans->trans_cfg->base_params->wd_timeout; struct iwl_trans_txq_scd_cfg cfg = { .fifo = fifo, .sta_id = sta_id, @@ -1983,9 +1997,8 @@ static void iwl_mvm_enable_aux_snif_queue(struct iwl_mvm *mvm, u16 queue, static int iwl_mvm_enable_aux_snif_queue_tvqm(struct iwl_mvm *mvm, u8 sta_id) { - unsigned int wdg_timeout = iwlmvm_mod_params.tfd_q_hang_detect ? - mvm->trans->trans_cfg->base_params->wd_timeout : - IWL_WATCHDOG_DISABLED; + unsigned int wdg_timeout = + mvm->trans->trans_cfg->base_params->wd_timeout; WARN_ON(!iwl_mvm_has_new_tx_api(mvm)); @@ -2080,16 +2093,24 @@ int iwl_mvm_rm_snif_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif) return ret; } -void iwl_mvm_dealloc_snif_sta(struct iwl_mvm *mvm) +int iwl_mvm_rm_aux_sta(struct iwl_mvm *mvm) { - iwl_mvm_dealloc_int_sta(mvm, &mvm->snif_sta); -} + int ret; -void iwl_mvm_del_aux_sta(struct iwl_mvm *mvm) -{ lockdep_assert_held(&mvm->mutex); + iwl_mvm_disable_txq(mvm, NULL, mvm->aux_queue, IWL_MAX_TID_COUNT, 0); + ret = iwl_mvm_rm_sta_common(mvm, mvm->aux_sta.sta_id); + if (ret) + IWL_WARN(mvm, "Failed sending remove station\n"); iwl_mvm_dealloc_int_sta(mvm, &mvm->aux_sta); + + return ret; +} + +void iwl_mvm_dealloc_snif_sta(struct iwl_mvm *mvm) +{ + iwl_mvm_dealloc_int_sta(mvm, &mvm->snif_sta); } /* |