iwlwifi: refactor shared mem parsing

Refactor the shared memory command parsing into common code.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>

drivers/net/wireless/intel/iwlwifi/Makefile

@@ -11,7 +11,7 @@ iwlwifi-$(CONFIG_IWLDVM) += cfg/1000.o cfg/2000.o cfg/5000.o cfg/6000.o
 iwlwifi-$(CONFIG_IWLMVM) += cfg/7000.o cfg/8000.o cfg/9000.o cfg/a000.o
 iwlwifi-objs		+= iwl-trans.o
 iwlwifi-objs		+= fw/notif-wait.o
-iwlwifi-$(CONFIG_IWLMVM) += fw/paging.o
+iwlwifi-$(CONFIG_IWLMVM) += fw/paging.o fw/smem.o
 
 iwlwifi-objs += $(iwlwifi-m)
 

drivers/net/wireless/intel/iwlwifi/fw/api.h

@@ -269,4 +269,91 @@ struct iwl_fw_get_item_resp {
 	__le32 item_val;
 } __packed; /* FW_GET_ITEM_RSP_S_VER_1 */
 
+#define TX_FIFO_MAX_NUM_9000		8
+#define TX_FIFO_MAX_NUM			15
+#define RX_FIFO_MAX_NUM			2
+#define TX_FIFO_INTERNAL_MAX_NUM	6
+
+/**
+ * struct iwl_shared_mem_cfg_v2 - Shared memory configuration information
+ *
+ * @shared_mem_addr: shared memory addr (pre 8000 HW set to 0x0 as MARBH is not
+ *	accessible)
+ * @shared_mem_size: shared memory size
+ * @sample_buff_addr: internal sample (mon/adc) buff addr (pre 8000 HW set to
+ *	0x0 as accessible only via DBGM RDAT)
+ * @sample_buff_size: internal sample buff size
+ * @txfifo_addr: start addr of TXF0 (excluding the context table 0.5KB), (pre
+ *	8000 HW set to 0x0 as not accessible)
+ * @txfifo_size: size of TXF0 ... TXF7
+ * @rxfifo_size: RXF1, RXF2 sizes. If there is no RXF2, it'll have a value of 0
+ * @page_buff_addr: used by UMAC and performance debug (page miss analysis),
+ *	when paging is not supported this should be 0
+ * @page_buff_size: size of %page_buff_addr
+ * @rxfifo_addr: Start address of rxFifo
+ * @internal_txfifo_addr: start address of internalFifo
+ * @internal_txfifo_size: internal fifos' size
+ *
+ * NOTE: on firmware that don't have IWL_UCODE_TLV_CAPA_EXTEND_SHARED_MEM_CFG
+ *	 set, the last 3 members don't exist.
+ */
+struct iwl_shared_mem_cfg_v2 {
+	__le32 shared_mem_addr;
+	__le32 shared_mem_size;
+	__le32 sample_buff_addr;
+	__le32 sample_buff_size;
+	__le32 txfifo_addr;
+	__le32 txfifo_size[TX_FIFO_MAX_NUM_9000];
+	__le32 rxfifo_size[RX_FIFO_MAX_NUM];
+	__le32 page_buff_addr;
+	__le32 page_buff_size;
+	__le32 rxfifo_addr;
+	__le32 internal_txfifo_addr;
+	__le32 internal_txfifo_size[TX_FIFO_INTERNAL_MAX_NUM];
+} __packed; /* SHARED_MEM_ALLOC_API_S_VER_2 */
+
+/**
+ * struct iwl_shared_mem_lmac_cfg - LMAC shared memory configuration
+ *
+ * @txfifo_addr: start addr of TXF0 (excluding the context table 0.5KB)
+ * @txfifo_size: size of TX FIFOs
+ * @rxfifo1_addr: RXF1 addr
+ * @rxfifo1_size: RXF1 size
+ */
+struct iwl_shared_mem_lmac_cfg {
+	__le32 txfifo_addr;
+	__le32 txfifo_size[TX_FIFO_MAX_NUM];
+	__le32 rxfifo1_addr;
+	__le32 rxfifo1_size;
+
+} __packed; /* SHARED_MEM_ALLOC_LMAC_API_S_VER_1 */
+
+/**
+ * struct iwl_shared_mem_cfg - Shared memory configuration information
+ *
+ * @shared_mem_addr: shared memory address
+ * @shared_mem_size: shared memory size
+ * @sample_buff_addr: internal sample (mon/adc) buff addr
+ * @sample_buff_size: internal sample buff size
+ * @rxfifo2_addr: start addr of RXF2
+ * @rxfifo2_size: size of RXF2
+ * @page_buff_addr: used by UMAC and performance debug (page miss analysis),
+ *	when paging is not supported this should be 0
+ * @page_buff_size: size of %page_buff_addr
+ * @lmac_num: number of LMACs (1 or 2)
+ * @lmac_smem: per - LMAC smem data
+ */
+struct iwl_shared_mem_cfg {
+	__le32 shared_mem_addr;
+	__le32 shared_mem_size;
+	__le32 sample_buff_addr;
+	__le32 sample_buff_size;
+	__le32 rxfifo2_addr;
+	__le32 rxfifo2_size;
+	__le32 page_buff_addr;
+	__le32 page_buff_size;
+	__le32 lmac_num;
+	struct iwl_shared_mem_lmac_cfg lmac_smem[2];
+} __packed; /* SHARED_MEM_ALLOC_API_S_VER_3 */
+
 #endif /* __iwl_fw_api_h__*/

drivers/net/wireless/intel/iwlwifi/fw/runtime.h

@@ -63,6 +63,19 @@
 #include "img.h"
 #include "api.h"
 
+#define MAX_NUM_LMAC 2
+struct iwl_fwrt_shared_mem_cfg {
+	int num_lmacs;
+	int num_txfifo_entries;
+	struct {
+		u32 txfifo_size[TX_FIFO_MAX_NUM];
+		u32 rxfifo1_size;
+	} lmac[MAX_NUM_LMAC];
+	u32 rxfifo2_size;
+	u32 internal_txfifo_addr;
+	u32 internal_txfifo_size[TX_FIFO_INTERNAL_MAX_NUM];
+};
+
 /**
  * struct iwl_fw_runtime - runtime data for firmware
  * @fw: firmware image
@@ -71,6 +84,7 @@
  * @fw_paging_db: paging database
  * @num_of_paging_blk: number of paging blocks
  * @num_of_pages_in_last_blk: number of pages in the last block
+ * @smem_cfg: saved firmware SMEM configuration
  */
 struct iwl_fw_runtime {
 	struct iwl_trans *trans;
@@ -81,6 +95,9 @@ struct iwl_fw_runtime {
 	struct iwl_fw_paging fw_paging_db[NUM_OF_FW_PAGING_BLOCKS];
 	u16 num_of_paging_blk;
 	u16 num_of_pages_in_last_blk;
+
+	/* memory configuration */
+	struct iwl_fwrt_shared_mem_cfg smem_cfg;
 };
 
 static inline void iwl_fw_runtime_init(struct iwl_fw_runtime *fwrt,
@@ -96,4 +113,6 @@ static inline void iwl_fw_runtime_init(struct iwl_fw_runtime *fwrt,
 int iwl_init_paging(struct iwl_fw_runtime *fwrt, enum iwl_ucode_type type);
 void iwl_free_fw_paging(struct iwl_fw_runtime *fwrt);
 
+void iwl_get_shared_mem_conf(struct iwl_fw_runtime *fwrt);
+
 #endif /* __iwl_fw_runtime_h__ */

drivers/net/wireless/intel/iwlwifi/fw/smem.c

@@ -0,0 +1,156 @@
+/******************************************************************************
+ *
+ * This file is provided under a dual BSD/GPLv2 license.  When using or
+ * redistributing this file, you may do so under either license.
+ *
+ * GPL LICENSE SUMMARY
+ *
+ * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
+ * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
+ *
+ * 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
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * The full GNU General Public License is included in this distribution
+ * in the file called COPYING.
+ *
+ * Contact Information:
+ *  Intel Linux Wireless <linuxwifi@intel.com>
+ * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+ *
+ * BSD LICENSE
+ *
+ * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
+ * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *  * Neither the name Intel Corporation nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *****************************************************************************/
+#include "iwl-drv.h"
+#include "runtime.h"
+
+/* FIXME */
+#define SHARED_MEM_CFG_CMD 0x00
+#define SYSTEM_GROUP 0x2
+#define SHARED_MEM_CFG 0x25
+
+static void iwl_parse_shared_mem_a000(struct iwl_fw_runtime *fwrt,
+				      struct iwl_rx_packet *pkt)
+{
+	struct iwl_shared_mem_cfg *mem_cfg = (void *)pkt->data;
+	int i, lmac;
+	int lmac_num = le32_to_cpu(mem_cfg->lmac_num);
+
+	if (WARN_ON(lmac_num > ARRAY_SIZE(mem_cfg->lmac_smem)))
+		return;
+
+	fwrt->smem_cfg.num_lmacs = lmac_num;
+	fwrt->smem_cfg.num_txfifo_entries =
+		ARRAY_SIZE(mem_cfg->lmac_smem[0].txfifo_size);
+	fwrt->smem_cfg.rxfifo2_size = le32_to_cpu(mem_cfg->rxfifo2_size);
+
+	for (lmac = 0; lmac < lmac_num; lmac++) {
+		struct iwl_shared_mem_lmac_cfg *lmac_cfg =
+			&mem_cfg->lmac_smem[lmac];
+
+		for (i = 0; i < ARRAY_SIZE(lmac_cfg->txfifo_size); i++)
+			fwrt->smem_cfg.lmac[lmac].txfifo_size[i] =
+				le32_to_cpu(lmac_cfg->txfifo_size[i]);
+		fwrt->smem_cfg.lmac[lmac].rxfifo1_size =
+			le32_to_cpu(lmac_cfg->rxfifo1_size);
+	}
+}
+
+static void iwl_parse_shared_mem(struct iwl_fw_runtime *fwrt,
+				 struct iwl_rx_packet *pkt)
+{
+	struct iwl_shared_mem_cfg_v2 *mem_cfg = (void *)pkt->data;
+	int i;
+
+	fwrt->smem_cfg.num_lmacs = 1;
+
+	fwrt->smem_cfg.num_txfifo_entries = ARRAY_SIZE(mem_cfg->txfifo_size);
+	for (i = 0; i < ARRAY_SIZE(mem_cfg->txfifo_size); i++)
+		fwrt->smem_cfg.lmac[0].txfifo_size[i] =
+			le32_to_cpu(mem_cfg->txfifo_size[i]);
+
+	fwrt->smem_cfg.lmac[0].rxfifo1_size =
+		le32_to_cpu(mem_cfg->rxfifo_size[0]);
+	fwrt->smem_cfg.rxfifo2_size = le32_to_cpu(mem_cfg->rxfifo_size[1]);
+
+	/* new API has more data, from rxfifo_addr field and on */
+	if (fw_has_capa(&fwrt->fw->ucode_capa,
+			IWL_UCODE_TLV_CAPA_EXTEND_SHARED_MEM_CFG)) {
+		BUILD_BUG_ON(sizeof(fwrt->smem_cfg.internal_txfifo_size) !=
+			     sizeof(mem_cfg->internal_txfifo_size));
+
+		for (i = 0;
+		     i < ARRAY_SIZE(fwrt->smem_cfg.internal_txfifo_size);
+		     i++)
+			fwrt->smem_cfg.internal_txfifo_size[i] =
+				le32_to_cpu(mem_cfg->internal_txfifo_size[i]);
+	}
+}
+
+void iwl_get_shared_mem_conf(struct iwl_fw_runtime *fwrt)
+{
+	struct iwl_host_cmd cmd = {
+		.flags = CMD_WANT_SKB,
+		.data = { NULL, },
+		.len = { 0, },
+	};
+	struct iwl_rx_packet *pkt;
+
+	if (fw_has_capa(&fwrt->fw->ucode_capa,
+			IWL_UCODE_TLV_CAPA_EXTEND_SHARED_MEM_CFG))
+		cmd.id = iwl_cmd_id(SHARED_MEM_CFG_CMD, SYSTEM_GROUP, 0);
+	else
+		cmd.id = SHARED_MEM_CFG;
+
+	if (WARN_ON(iwl_trans_send_cmd(fwrt->trans, &cmd)))
+		return;
+
+	pkt = cmd.resp_pkt;
+	if (fwrt->trans->cfg->device_family == IWL_DEVICE_FAMILY_A000)
+		iwl_parse_shared_mem_a000(fwrt, pkt);
+	else
+		iwl_parse_shared_mem(fwrt, pkt);
+
+	IWL_DEBUG_INFO(fwrt, "SHARED MEM CFG: got memory offsets/sizes\n");
+
+	iwl_free_resp(&cmd);
+}
+IWL_EXPORT_SYMBOL(iwl_get_shared_mem_conf);

drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h

@@ -2481,93 +2481,6 @@ struct iwl_tdls_config_res {
 	struct iwl_tdls_config_sta_info_res sta_info[IWL_MVM_TDLS_STA_COUNT];
 } __packed; /* TDLS_CONFIG_RSP_API_S_VER_1 */
 
-#define TX_FIFO_MAX_NUM_9000		8
-#define TX_FIFO_MAX_NUM			15
-#define RX_FIFO_MAX_NUM			2
-#define TX_FIFO_INTERNAL_MAX_NUM	6
-
-/**
- * struct iwl_shared_mem_cfg_v2 - Shared memory configuration information
- *
- * @shared_mem_addr: shared memory addr (pre 8000 HW set to 0x0 as MARBH is not
- *	accessible)
- * @shared_mem_size: shared memory size
- * @sample_buff_addr: internal sample (mon/adc) buff addr (pre 8000 HW set to
- *	0x0 as accessible only via DBGM RDAT)
- * @sample_buff_size: internal sample buff size
- * @txfifo_addr: start addr of TXF0 (excluding the context table 0.5KB), (pre
- *	8000 HW set to 0x0 as not accessible)
- * @txfifo_size: size of TXF0 ... TXF7
- * @rxfifo_size: RXF1, RXF2 sizes. If there is no RXF2, it'll have a value of 0
- * @page_buff_addr: used by UMAC and performance debug (page miss analysis),
- *	when paging is not supported this should be 0
- * @page_buff_size: size of %page_buff_addr
- * @rxfifo_addr: Start address of rxFifo
- * @internal_txfifo_addr: start address of internalFifo
- * @internal_txfifo_size: internal fifos' size
- *
- * NOTE: on firmware that don't have IWL_UCODE_TLV_CAPA_EXTEND_SHARED_MEM_CFG
- *	 set, the last 3 members don't exist.
- */
-struct iwl_shared_mem_cfg_v2 {
-	__le32 shared_mem_addr;
-	__le32 shared_mem_size;
-	__le32 sample_buff_addr;
-	__le32 sample_buff_size;
-	__le32 txfifo_addr;
-	__le32 txfifo_size[TX_FIFO_MAX_NUM_9000];
-	__le32 rxfifo_size[RX_FIFO_MAX_NUM];
-	__le32 page_buff_addr;
-	__le32 page_buff_size;
-	__le32 rxfifo_addr;
-	__le32 internal_txfifo_addr;
-	__le32 internal_txfifo_size[TX_FIFO_INTERNAL_MAX_NUM];
-} __packed; /* SHARED_MEM_ALLOC_API_S_VER_2 */
-
-/**
- * struct iwl_shared_mem_lmac_cfg - LMAC shared memory configuration
- *
- * @txfifo_addr: start addr of TXF0 (excluding the context table 0.5KB)
- * @txfifo_size: size of TX FIFOs
- * @rxfifo1_addr: RXF1 addr
- * @rxfifo1_size: RXF1 size
- */
-struct iwl_shared_mem_lmac_cfg {
-	__le32 txfifo_addr;
-	__le32 txfifo_size[TX_FIFO_MAX_NUM];
-	__le32 rxfifo1_addr;
-	__le32 rxfifo1_size;
-
-} __packed; /* SHARED_MEM_ALLOC_LMAC_API_S_VER_1 */
-
-/**
- * struct iwl_shared_mem_cfg - Shared memory configuration information
- *
- * @shared_mem_addr: shared memory address
- * @shared_mem_size: shared memory size
- * @sample_buff_addr: internal sample (mon/adc) buff addr
- * @sample_buff_size: internal sample buff size
- * @rxfifo2_addr: start addr of RXF2
- * @rxfifo2_size: size of RXF2
- * @page_buff_addr: used by UMAC and performance debug (page miss analysis),
- *	when paging is not supported this should be 0
- * @page_buff_size: size of %page_buff_addr
- * @lmac_num: number of LMACs (1 or 2)
- * @lmac_smem: per - LMAC smem data
- */
-struct iwl_shared_mem_cfg {
-	__le32 shared_mem_addr;
-	__le32 shared_mem_size;
-	__le32 sample_buff_addr;
-	__le32 sample_buff_size;
-	__le32 rxfifo2_addr;
-	__le32 rxfifo2_size;
-	__le32 page_buff_addr;
-	__le32 page_buff_size;
-	__le32 lmac_num;
-	struct iwl_shared_mem_lmac_cfg lmac_smem[2];
-} __packed; /* SHARED_MEM_ALLOC_API_S_VER_3 */
-
 /**
  * struct iwl_mu_group_mgmt_cmd - VHT MU-MIMO group configuration
  *

drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c

@@ -212,7 +212,7 @@ static void iwl_mvm_dump_fifos(struct iwl_mvm *mvm,
 			       struct iwl_fw_error_dump_data **dump_data)
 {
 	struct iwl_fw_error_dump_fifo *fifo_hdr;
-	struct iwl_mvm_shared_mem_cfg *cfg = &mvm->smem_cfg;
+	struct iwl_fwrt_shared_mem_cfg *cfg = &mvm->fwrt.smem_cfg;
 	u32 *fifo_data;
 	u32 fifo_len;
 	unsigned long flags;
@@ -227,12 +227,12 @@ static void iwl_mvm_dump_fifos(struct iwl_mvm *mvm,
 	iwl_mvm_dump_rxf(mvm, dump_data, cfg->rxfifo2_size,
 			 RXF_DIFF_FROM_PREV, 1);
 	/* Pull LMAC2 RXF1 */
-	if (mvm->smem_cfg.num_lmacs > 1)
+	if (mvm->fwrt.smem_cfg.num_lmacs > 1)
 		iwl_mvm_dump_rxf(mvm, dump_data, cfg->lmac[1].rxfifo1_size,
 				 LMAC2_PRPH_OFFSET, 2);
 
 	/* Pull TXF data from LMAC1 */
-	for (i = 0; i < mvm->smem_cfg.num_txfifo_entries; i++) {
+	for (i = 0; i < mvm->fwrt.smem_cfg.num_txfifo_entries; i++) {
 		/* Mark the number of TXF we're pulling now */
 		iwl_trans_write_prph(mvm->trans, TXF_LARC_NUM, i);
 		iwl_mvm_dump_txf(mvm, dump_data, cfg->lmac[0].txfifo_size[i],
@@ -240,8 +240,8 @@ static void iwl_mvm_dump_fifos(struct iwl_mvm *mvm,
 	}
 
 	/* Pull TXF data from LMAC2 */
-	if (mvm->smem_cfg.num_lmacs > 1) {
-		for (i = 0; i < mvm->smem_cfg.num_txfifo_entries; i++) {
+	if (mvm->fwrt.smem_cfg.num_lmacs > 1) {
+		for (i = 0; i < mvm->fwrt.smem_cfg.num_txfifo_entries; i++) {
 			/* Mark the number of TXF we're pulling now */
 			iwl_trans_write_prph(mvm->trans,
 					     TXF_LARC_NUM + LMAC2_PRPH_OFFSET,
@@ -257,11 +257,11 @@ static void iwl_mvm_dump_fifos(struct iwl_mvm *mvm,
 			IWL_UCODE_TLV_CAPA_EXTEND_SHARED_MEM_CFG)) {
 		/* Pull UMAC internal TXF data from all TXFs */
 		for (i = 0;
-		     i < ARRAY_SIZE(mvm->smem_cfg.internal_txfifo_size);
+		     i < ARRAY_SIZE(mvm->fwrt.smem_cfg.internal_txfifo_size);
 		     i++) {
 			fifo_hdr = (void *)(*dump_data)->data;
 			fifo_data = (void *)fifo_hdr->data;
-			fifo_len = mvm->smem_cfg.internal_txfifo_size[i];
+			fifo_len = mvm->fwrt.smem_cfg.internal_txfifo_size[i];
 
 			/* No need to try to read the data if the length is 0 */
 			if (fifo_len == 0)
@@ -277,7 +277,7 @@ static void iwl_mvm_dump_fifos(struct iwl_mvm *mvm,
 
 			/* Mark the number of TXF we're pulling now */
 			iwl_trans_write_prph(mvm->trans, TXF_CPU2_NUM, i +
-				mvm->smem_cfg.num_txfifo_entries);
+				mvm->fwrt.smem_cfg.num_txfifo_entries);
 
 			fifo_hdr->available_bytes =
 				cpu_to_le32(iwl_trans_read_prph(mvm->trans,
@@ -582,7 +582,7 @@ void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm)
 
 	/* reading RXF/TXF sizes */
 	if (test_bit(STATUS_FW_ERROR, &mvm->trans->status)) {
-		struct iwl_mvm_shared_mem_cfg *mem_cfg = &mvm->smem_cfg;
+		struct iwl_fwrt_shared_mem_cfg *mem_cfg = &mvm->fwrt.smem_cfg;
 
 		fifo_data_len = 0;
 

drivers/net/wireless/intel/iwlwifi/mvm/fw.c

@@ -568,95 +568,6 @@ out:
 	return ret;
 }
 
-static void iwl_mvm_parse_shared_mem_a000(struct iwl_mvm *mvm,
-					  struct iwl_rx_packet *pkt)
-{
-	struct iwl_shared_mem_cfg *mem_cfg = (void *)pkt->data;
-	int i, lmac;
-	int lmac_num = le32_to_cpu(mem_cfg->lmac_num);
-
-	if (WARN_ON(lmac_num > ARRAY_SIZE(mem_cfg->lmac_smem)))
-		return;
-
-	mvm->smem_cfg.num_lmacs = lmac_num;
-	mvm->smem_cfg.num_txfifo_entries =
-		ARRAY_SIZE(mem_cfg->lmac_smem[0].txfifo_size);
-	mvm->smem_cfg.rxfifo2_size = le32_to_cpu(mem_cfg->rxfifo2_size);
-
-	for (lmac = 0; lmac < lmac_num; lmac++) {
-		struct iwl_shared_mem_lmac_cfg *lmac_cfg =
-			&mem_cfg->lmac_smem[lmac];
-
-		for (i = 0; i < ARRAY_SIZE(lmac_cfg->txfifo_size); i++)
-			mvm->smem_cfg.lmac[lmac].txfifo_size[i] =
-				le32_to_cpu(lmac_cfg->txfifo_size[i]);
-		mvm->smem_cfg.lmac[lmac].rxfifo1_size =
-			le32_to_cpu(lmac_cfg->rxfifo1_size);
-	}
-}
-
-static void iwl_mvm_parse_shared_mem(struct iwl_mvm *mvm,
-				     struct iwl_rx_packet *pkt)
-{
-	struct iwl_shared_mem_cfg_v2 *mem_cfg = (void *)pkt->data;
-	int i;
-
-	mvm->smem_cfg.num_lmacs = 1;
-
-	mvm->smem_cfg.num_txfifo_entries = ARRAY_SIZE(mem_cfg->txfifo_size);
-	for (i = 0; i < ARRAY_SIZE(mem_cfg->txfifo_size); i++)
-		mvm->smem_cfg.lmac[0].txfifo_size[i] =
-			le32_to_cpu(mem_cfg->txfifo_size[i]);
-
-	mvm->smem_cfg.lmac[0].rxfifo1_size =
-		le32_to_cpu(mem_cfg->rxfifo_size[0]);
-	mvm->smem_cfg.rxfifo2_size = le32_to_cpu(mem_cfg->rxfifo_size[1]);
-
-	/* new API has more data, from rxfifo_addr field and on */
-	if (fw_has_capa(&mvm->fw->ucode_capa,
-			IWL_UCODE_TLV_CAPA_EXTEND_SHARED_MEM_CFG)) {
-		BUILD_BUG_ON(sizeof(mvm->smem_cfg.internal_txfifo_size) !=
-			     sizeof(mem_cfg->internal_txfifo_size));
-
-		for (i = 0;
-		     i < ARRAY_SIZE(mvm->smem_cfg.internal_txfifo_size);
-		     i++)
-			mvm->smem_cfg.internal_txfifo_size[i] =
-				le32_to_cpu(mem_cfg->internal_txfifo_size[i]);
-	}
-}
-
-static void iwl_mvm_get_shared_mem_conf(struct iwl_mvm *mvm)
-{
-	struct iwl_host_cmd cmd = {
-		.flags = CMD_WANT_SKB,
-		.data = { NULL, },
-		.len = { 0, },
-	};
-	struct iwl_rx_packet *pkt;
-
-	lockdep_assert_held(&mvm->mutex);
-
-	if (fw_has_capa(&mvm->fw->ucode_capa,
-			IWL_UCODE_TLV_CAPA_EXTEND_SHARED_MEM_CFG))
-		cmd.id = iwl_cmd_id(SHARED_MEM_CFG_CMD, SYSTEM_GROUP, 0);
-	else
-		cmd.id = SHARED_MEM_CFG;
-
-	if (WARN_ON(iwl_mvm_send_cmd(mvm, &cmd)))
-		return;
-
-	pkt = cmd.resp_pkt;
-	if (iwl_mvm_has_new_tx_api(mvm))
-		iwl_mvm_parse_shared_mem_a000(mvm, pkt);
-	else
-		iwl_mvm_parse_shared_mem(mvm, pkt);
-
-	IWL_DEBUG_INFO(mvm, "SHARED MEM CFG: got memory offsets/sizes\n");
-
-	iwl_free_resp(&cmd);
-}
-
 static int iwl_mvm_config_ltr(struct iwl_mvm *mvm)
 {
 	struct iwl_ltr_config_cmd cmd = {
@@ -1174,7 +1085,7 @@ int iwl_mvm_up(struct iwl_mvm *mvm)
 		goto error;
 	}
 
-	iwl_mvm_get_shared_mem_conf(mvm);
+	iwl_get_shared_mem_conf(&mvm->fwrt);
 
 	ret = iwl_mvm_sf_update(mvm, NULL, false);
 	if (ret)

drivers/net/wireless/intel/iwlwifi/mvm/mvm.h

@@ -607,19 +607,6 @@ enum iwl_mvm_tdls_cs_state {
 	IWL_MVM_TDLS_SW_ACTIVE,
 };
 
-#define MAX_NUM_LMAC 2
-struct iwl_mvm_shared_mem_cfg {
-	int num_lmacs;
-	int num_txfifo_entries;
-	struct {
-		u32 txfifo_size[TX_FIFO_MAX_NUM];
-		u32 rxfifo1_size;
-	} lmac[MAX_NUM_LMAC];
-	u32 rxfifo2_size;
-	u32 internal_txfifo_addr;
-	u32 internal_txfifo_size[TX_FIFO_INTERNAL_MAX_NUM];
-};
-
 /**
  * struct iwl_mvm_reorder_buffer - per ra/tid/queue reorder buffer
  * @head_sn: reorder window head sn
@@ -1053,7 +1040,6 @@ struct iwl_mvm {
 		} peer;
 	} tdls_cs;
 
-	struct iwl_mvm_shared_mem_cfg smem_cfg;
 
 	u32 ciphers[IWL_MVM_NUM_CIPHERS];
 	struct ieee80211_cipher_scheme cs[IWL_UCODE_MAX_CS];

drivers/net/wireless/intel/iwlwifi/mvm/tx.c

@@ -761,7 +761,8 @@ static int iwl_mvm_tx_tso(struct iwl_mvm *mvm, struct sk_buff *skb,
 	 * fifo to be able to send bursts.
 	 */
 	max_amsdu_len = min_t(unsigned int, max_amsdu_len,
-			      mvm->smem_cfg.lmac[0].txfifo_size[txf] - 256);
+			      mvm->fwrt.smem_cfg.lmac[0].txfifo_size[txf] -
+			      256);
 
 	if (unlikely(dbg_max_amsdu_len))
 		max_amsdu_len = min_t(unsigned int, max_amsdu_len,