From 7f1ec1033cd3baefbf695f46c686d5a289673612 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Sat, 3 May 2025 22:44:22 +0300 Subject: [PATCH] wifi: iwlwifi: pcie: move invalid TX CMD into PCIe There's no reason for this to be in the generic transport struct, move it into the PCIe code. Signed-off-by: Johannes Berg Reviewed-by: Emmanuel Grumbach Signed-off-by: Miri Korenblit Link: https://patch.msgid.link/20250503224231.d4916769a25b.Ife9b0283e50023efb6b3f44e81a6ff3885fe5a8d@changeid --- drivers/net/wireless/intel/iwlwifi/iwl-trans.h | 3 --- drivers/net/wireless/intel/iwlwifi/pcie/internal.h | 9 +++++++-- drivers/net/wireless/intel/iwlwifi/pcie/trans.c | 9 ++++++--- drivers/net/wireless/intel/iwlwifi/pcie/tx.c | 6 ++++-- 4 files changed, 17 insertions(+), 10 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h index aa32305e05f6..387a54fa728c 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h @@ -878,7 +878,6 @@ struct iwl_txq { * @mbx_addr_1_step: step address data 1 * @pcie_link_speed: current PCIe link speed (%PCI_EXP_LNKSTA_CLS_*), * only valid for discrete (not integrated) NICs - * @invalid_tx_cmd: invalid TX command buffer * @reduced_cap_sku: reduced capability supported SKU * @step_urm: STEP is in URM, no support for MCS>9 in 320 MHz * @restart: restart worker data @@ -962,8 +961,6 @@ struct iwl_trans { u8 pcie_link_speed; - struct iwl_dma_ptr invalid_tx_cmd; - struct { struct work_struct wk; struct iwl_fw_error_dump_mode mode; diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/internal.h b/drivers/net/wireless/intel/iwlwifi/pcie/internal.h index 2cf2936dbf2d..6eee20ffbfc8 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/internal.h +++ b/drivers/net/wireless/intel/iwlwifi/pcie/internal.h @@ -423,6 +423,7 @@ struct iwl_pcie_txqs { * @me_present: WiAMT/CSME is detected as present (1), not present (0) * or unknown (-1, so can still use it as a boolean safely) * @me_recheck_wk: worker to recheck WiAMT/CSME presence + * @invalid_tx_cmd: invalid TX command buffer */ struct iwl_trans_pcie { struct iwl_rxq *rxq; @@ -525,6 +526,8 @@ struct iwl_trans_pcie { s8 me_present; struct delayed_work me_recheck_wk; + + struct iwl_dma_ptr invalid_tx_cmd; }; static inline struct iwl_trans_pcie * @@ -758,10 +761,12 @@ int iwl_txq_gen2_set_tb(struct iwl_trans *trans, static inline void iwl_txq_set_tfd_invalid_gen2(struct iwl_trans *trans, struct iwl_tfh_tfd *tfd) { + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + tfd->num_tbs = 0; - iwl_txq_gen2_set_tb(trans, tfd, trans->invalid_tx_cmd.dma, - trans->invalid_tx_cmd.size); + iwl_txq_gen2_set_tb(trans, tfd, trans_pcie->invalid_tx_cmd.dma, + trans_pcie->invalid_tx_cmd.size); } void iwl_txq_gen2_tfd_unmap(struct iwl_trans *trans, diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c index 5b8db061792f..bd6b87e4f6e6 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c @@ -2026,11 +2026,14 @@ void iwl_trans_pcie_free_pnvm_dram_regions(struct iwl_dram_regions *dram_regions static void iwl_pcie_free_invalid_tx_cmd(struct iwl_trans *trans) { - iwl_pcie_free_dma_ptr(trans, &trans->invalid_tx_cmd); + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + + iwl_pcie_free_dma_ptr(trans, &trans_pcie->invalid_tx_cmd); } static int iwl_pcie_alloc_invalid_tx_cmd(struct iwl_trans *trans) { + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); struct iwl_cmd_header_wide bad_cmd = { .cmd = INVALID_WR_PTR_CMD, .group_id = DEBUG_GROUP, @@ -2040,11 +2043,11 @@ static int iwl_pcie_alloc_invalid_tx_cmd(struct iwl_trans *trans) }; int ret; - ret = iwl_pcie_alloc_dma_ptr(trans, &trans->invalid_tx_cmd, + ret = iwl_pcie_alloc_dma_ptr(trans, &trans_pcie->invalid_tx_cmd, sizeof(bad_cmd)); if (ret) return ret; - memcpy(trans->invalid_tx_cmd.addr, &bad_cmd, sizeof(bad_cmd)); + memcpy(trans_pcie->invalid_tx_cmd.addr, &bad_cmd, sizeof(bad_cmd)); return 0; } diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c index 7c8cab294321..c728722533a8 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c @@ -280,10 +280,12 @@ iwl_txq_gen1_tfd_tb_get_addr(struct iwl_tfd *tfd, u8 idx) static void iwl_txq_set_tfd_invalid_gen1(struct iwl_trans *trans, struct iwl_tfd *tfd) { + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + tfd->num_tbs = 0; - iwl_pcie_gen1_tfd_set_tb(tfd, 0, trans->invalid_tx_cmd.dma, - trans->invalid_tx_cmd.size); + iwl_pcie_gen1_tfd_set_tb(tfd, 0, trans_pcie->invalid_tx_cmd.dma, + trans_pcie->invalid_tx_cmd.size); } static void iwl_txq_gen1_tfd_unmap(struct iwl_trans *trans, -- 2.50.1