From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from paleale.coelho.fi ([176.9.41.70]:54752 "EHLO farmhouse.coelho.fi" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752856AbcIOSLr (ORCPT ); Thu, 15 Sep 2016 14:11:47 -0400 From: Luca Coelho To: kvalo@codeaurora.org Cc: linux-wireless@vger.kernel.org, Sara Sharon , Luca Coelho Date: Thu, 15 Sep 2016 21:11:13 +0300 Message-Id: <20160915181131.32213-7-luca@coelho.fi> (sfid-20160915_201156_820917_DBC1C1FB) In-Reply-To: <1473962425.5664.41.camel@coelho.fi> References: <1473962425.5664.41.camel@coelho.fi> Subject: [PATCH 07/25] iwlwifi: introduce trans API to get byte count table Sender: linux-wireless-owner@vger.kernel.org List-ID: From: Sara Sharon In future HW the byte count table address will be configured by ucode per queue. Add API to expose the byte count table to the opmode Signed-off-by: Sara Sharon Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/iwl-trans.h | 10 ++++++++++ drivers/net/wireless/intel/iwlwifi/pcie/internal.h | 1 + drivers/net/wireless/intel/iwlwifi/pcie/trans.c | 2 ++ drivers/net/wireless/intel/iwlwifi/pcie/tx.c | 8 ++++++++ 4 files changed, 21 insertions(+) diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h index 883cb487b..93cdfd8 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h @@ -645,6 +645,8 @@ struct iwl_trans_ops { void (*txq_set_shared_mode)(struct iwl_trans *trans, u32 txq_id, bool shared); + dma_addr_t (*get_txq_byte_table)(struct iwl_trans *trans, int txq_id); + int (*wait_tx_queue_empty)(struct iwl_trans *trans, u32 txq_bm); void (*freeze_txq_timer)(struct iwl_trans *trans, unsigned long txqs, bool freeze); @@ -1069,6 +1071,14 @@ static inline void iwl_trans_txq_set_shared_mode(struct iwl_trans *trans, trans->ops->txq_set_shared_mode(trans, queue, shared_mode); } +static inline dma_addr_t iwl_trans_get_txq_byte_table(struct iwl_trans *trans, + int queue) +{ + if (trans->ops->get_txq_byte_table) + return trans->ops->get_txq_byte_table(trans, queue); + return DMA_ERROR_CODE; +} + static inline void iwl_trans_txq_enable(struct iwl_trans *trans, int queue, int fifo, int sta_id, int tid, int frame_limit, u16 ssn, diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/internal.h b/drivers/net/wireless/intel/iwlwifi/pcie/internal.h index 975900a..b9dc82b 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/internal.h +++ b/drivers/net/wireless/intel/iwlwifi/pcie/internal.h @@ -476,6 +476,7 @@ void iwl_trans_pcie_txq_disable(struct iwl_trans *trans, int queue, bool configure_scd); void iwl_trans_pcie_txq_set_shared_mode(struct iwl_trans *trans, u32 txq_id, bool shared_mode); +dma_addr_t iwl_trans_pcie_get_txq_byte_table(struct iwl_trans *trans, int txq); void iwl_trans_pcie_log_scd_error(struct iwl_trans *trans, struct iwl_txq *txq); int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb, diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c index 0c2ccbe..21b1be1 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c @@ -2803,6 +2803,8 @@ static const struct iwl_trans_ops trans_ops_pcie = { .txq_disable = iwl_trans_pcie_txq_disable, .txq_enable = iwl_trans_pcie_txq_enable, + .get_txq_byte_table = iwl_trans_pcie_get_txq_byte_table, + .txq_set_shared_mode = iwl_trans_pcie_txq_set_shared_mode, .wait_tx_queue_empty = iwl_trans_pcie_wait_txq_empty, diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c index 1c46f14..57a657a 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c @@ -1352,6 +1352,14 @@ void iwl_trans_pcie_txq_set_shared_mode(struct iwl_trans *trans, u32 txq_id, txq->ampdu = !shared_mode; } +dma_addr_t iwl_trans_pcie_get_txq_byte_table(struct iwl_trans *trans, int txq) +{ + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + + return trans_pcie->scd_bc_tbls.dma + + txq * sizeof(struct iwlagn_scd_bc_tbl); +} + void iwl_trans_pcie_txq_disable(struct iwl_trans *trans, int txq_id, bool configure_scd) { -- 2.9.3