From fda1bd0d4a6b3a7de020aa329661661fc14aee7a Mon Sep 17 00:00:00 2001 From: Mordechay Goodstein Date: Thu, 24 Sep 2020 16:23:34 +0300 Subject: [PATCH] iwlwifi: iwl-trans: move all txcmd init to trans alloc txcmd fields is not directly related to the PCIe transport, so move to the common iwl_trans_alloc function. Signed-off-by: Mordechay Goodstein Signed-off-by: Luca Coelho Link: https://lore.kernel.org/r/iwlwifi.20200924162105.862ef88d1ab2.Iba220a962b5d6d05c030b9275d97a89202d055dc@changeid Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/fw/api/tx.h | 7 +++---- drivers/net/wireless/intel/iwlwifi/iwl-trans.c | 28 ++++++++++++++++++++++--- drivers/net/wireless/intel/iwlwifi/iwl-trans.h | 7 +++---- drivers/net/wireless/intel/iwlwifi/pcie/drv.c | 3 --- drivers/net/wireless/intel/iwlwifi/pcie/trans.c | 22 +++---------------- 5 files changed, 34 insertions(+), 33 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/tx.h b/drivers/net/wireless/intel/iwlwifi/fw/api/tx.h index 82d59b5a5f8c..de2e2ca7a3ea 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/api/tx.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/api/tx.h @@ -5,9 +5,8 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2016 - 2017 Intel Deutschland GmbH - * Copyright(c) 2018 - 2019 Intel Corporation + * Copyright(c) 2012 - 2014, 2018 - 2020 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 @@ -27,9 +26,8 @@ * * BSD LICENSE * - * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2016 - 2017 Intel Deutschland GmbH - * Copyright(c) 2018 - 2019 Intel Corporation + * Copyright(c) 2012 - 2014, 2018 - 2020 Intel Corporation * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -61,6 +59,7 @@ #ifndef __iwl_fw_api_tx_h__ #define __iwl_fw_api_tx_h__ +#include /** * enum iwl_tx_flags - bitmasks for tx_flags in TX command diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-trans.c b/drivers/net/wireless/intel/iwlwifi/iwl-trans.c index f91197e4ae40..4a61ab56d728 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-trans.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-trans.c @@ -7,6 +7,7 @@ * * Copyright(c) 2015 Intel Mobile Communications GmbH * Copyright(c) 2016 - 2017 Intel Deutschland GmbH + * Copyright(c) 2019 - 2020 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 @@ -28,6 +29,7 @@ * * Copyright(c) 2015 Intel Mobile Communications GmbH * Copyright(c) 2016 - 2017 Intel Deutschland GmbH + * Copyright(c) 2019 - 2020 Intel Corporation * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -60,6 +62,7 @@ #include #include +#include "fw/api/tx.h" #include "iwl-trans.h" #include "iwl-drv.h" #include "iwl-fh.h" @@ -67,10 +70,10 @@ struct iwl_trans *iwl_trans_alloc(unsigned int priv_size, struct device *dev, const struct iwl_trans_ops *ops, - unsigned int cmd_pool_size, - unsigned int cmd_pool_align) + const struct iwl_cfg_trans_params *cfg_trans) { struct iwl_trans *trans; + int txcmd_size, txcmd_align; #ifdef CONFIG_LOCKDEP static struct lock_class_key __key; #endif @@ -79,6 +82,25 @@ struct iwl_trans *iwl_trans_alloc(unsigned int priv_size, if (!trans) return NULL; + trans->trans_cfg = cfg_trans; + if (!cfg_trans->gen2) { + txcmd_size = sizeof(struct iwl_tx_cmd); + txcmd_align = sizeof(void *); + } else if (cfg_trans->device_family < IWL_DEVICE_FAMILY_AX210) { + txcmd_size = sizeof(struct iwl_tx_cmd_gen2); + txcmd_align = 64; + } else { + txcmd_size = sizeof(struct iwl_tx_cmd_gen3); + txcmd_align = 128; + } + + txcmd_size += sizeof(struct iwl_cmd_header); + txcmd_size += 36; /* biggest possible 802.11 header */ + + /* Ensure device TX cmd cannot reach/cross a page boundary in gen2 */ + if (WARN_ON(cfg_trans->gen2 && txcmd_size >= txcmd_align)) + return ERR_PTR(-EINVAL); + #ifdef CONFIG_LOCKDEP lockdep_init_map(&trans->sync_cmd_lockdep_map, "sync_cmd_lockdep_map", &__key, 0); @@ -92,7 +114,7 @@ struct iwl_trans *iwl_trans_alloc(unsigned int priv_size, "iwl_cmd_pool:%s", dev_name(trans->dev)); trans->dev_cmd_pool = kmem_cache_create(trans->dev_cmd_pool_name, - cmd_pool_size, cmd_pool_align, + txcmd_size, txcmd_align, SLAB_HWCACHE_ALIGN, NULL); if (!trans->dev_cmd_pool) return NULL; diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h index 32ea4c3c7d23..d17eafe31e41 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h @@ -1436,10 +1436,9 @@ static inline bool iwl_trans_dbg_ini_valid(struct iwl_trans *trans) * transport helper functions *****************************************************/ struct iwl_trans *iwl_trans_alloc(unsigned int priv_size, - struct device *dev, - const struct iwl_trans_ops *ops, - unsigned int cmd_pool_size, - unsigned int cmd_pool_align); + struct device *dev, + const struct iwl_trans_ops *ops, + const struct iwl_cfg_trans_params *cfg_trans); void iwl_trans_free(struct iwl_trans *trans); /***************************************************** diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c index 72bb2b38e5b6..d84afe0013a2 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c @@ -1002,9 +1002,6 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) trans_pcie = IWL_TRANS_GET_PCIE_TRANS(iwl_trans); - /* the trans_cfg should never change, so set it now */ - iwl_trans->trans_cfg = trans; - iwl_trans->hw_rf_id = iwl_read32(iwl_trans, CSR_HW_RF_ID); for (i = 0; i < ARRAY_SIZE(iwl_dev_info_table); i++) { diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c index a59684e82713..43adb6646366 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c @@ -3502,34 +3502,18 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev, { struct iwl_trans_pcie *trans_pcie; struct iwl_trans *trans; - int ret, addr_size, txcmd_size, txcmd_align; + int ret, addr_size; const struct iwl_trans_ops *ops = &trans_ops_pcie_gen2; - if (!cfg_trans->gen2) { + if (!cfg_trans->gen2) ops = &trans_ops_pcie; - txcmd_size = sizeof(struct iwl_tx_cmd); - txcmd_align = sizeof(void *); - } else if (cfg_trans->device_family < IWL_DEVICE_FAMILY_AX210) { - txcmd_size = sizeof(struct iwl_tx_cmd_gen2); - txcmd_align = 64; - } else { - txcmd_size = sizeof(struct iwl_tx_cmd_gen3); - txcmd_align = 128; - } - - txcmd_size += sizeof(struct iwl_cmd_header); - txcmd_size += 36; /* biggest possible 802.11 header */ - - /* Ensure device TX cmd cannot reach/cross a page boundary in gen2 */ - if (WARN_ON(cfg_trans->gen2 && txcmd_size >= txcmd_align)) - return ERR_PTR(-EINVAL); ret = pcim_enable_device(pdev); if (ret) return ERR_PTR(ret); trans = iwl_trans_alloc(sizeof(struct iwl_trans_pcie), &pdev->dev, ops, - txcmd_size, txcmd_align); + cfg_trans); if (!trans) return ERR_PTR(-ENOMEM); -- 2.11.0