From 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 22 Oct 2024 10:36:11 +0000
Subject: [PATCH] 修改4g拨号为QMI,需要在系统里后台执行quectel-CM
---
kernel/drivers/net/wireless/intel/iwlwifi/iwl-trans.c | 101 +++++++++++++++++++++++++++++++++++++-------------
1 files changed, 75 insertions(+), 26 deletions(-)
diff --git a/kernel/drivers/net/wireless/intel/iwlwifi/iwl-trans.c b/kernel/drivers/net/wireless/intel/iwlwifi/iwl-trans.c
index 7e9c924..becee92 100644
--- a/kernel/drivers/net/wireless/intel/iwlwifi/iwl-trans.c
+++ b/kernel/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
@@ -16,11 +17,6 @@
* 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
- * USA
*
* The full GNU General Public License is included in this distribution
* in the file called COPYING.
@@ -33,6 +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
@@ -65,16 +62,20 @@
#include <linux/kernel.h>
#include <linux/bsearch.h>
+#include "fw/api/tx.h"
#include "iwl-trans.h"
#include "iwl-drv.h"
#include "iwl-fh.h"
+#include "queue/tx.h"
+#include <linux/dmapool.h>
struct iwl_trans *iwl_trans_alloc(unsigned int priv_size,
struct device *dev,
- const struct iwl_cfg *cfg,
- const struct iwl_trans_ops *ops)
+ const struct iwl_trans_ops *ops,
+ 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
@@ -83,34 +84,96 @@
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);
#endif
trans->dev = dev;
- trans->cfg = cfg;
trans->ops = ops;
trans->num_rx_queues = 1;
+
+ if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210)
+ trans->txqs.bc_tbl_size = sizeof(struct iwl_gen3_bc_tbl);
+ else
+ trans->txqs.bc_tbl_size = sizeof(struct iwlagn_scd_bc_tbl);
+ /*
+ * For gen2 devices, we use a single allocation for each byte-count
+ * table, but they're pretty small (1k) so use a DMA pool that we
+ * allocate here.
+ */
+ if (trans->trans_cfg->gen2) {
+ trans->txqs.bc_pool = dmam_pool_create("iwlwifi:bc", dev,
+ trans->txqs.bc_tbl_size,
+ 256, 0);
+ if (!trans->txqs.bc_pool)
+ return NULL;
+ }
+
+ if (trans->trans_cfg->use_tfh) {
+ trans->txqs.tfd.addr_size = 64;
+ trans->txqs.tfd.max_tbs = IWL_TFH_NUM_TBS;
+ trans->txqs.tfd.size = sizeof(struct iwl_tfh_tfd);
+ } else {
+ trans->txqs.tfd.addr_size = 36;
+ trans->txqs.tfd.max_tbs = IWL_NUM_OF_TBS;
+ trans->txqs.tfd.size = sizeof(struct iwl_tfd);
+ }
+ trans->max_skb_frags = IWL_TRANS_MAX_FRAGS(trans);
snprintf(trans->dev_cmd_pool_name, sizeof(trans->dev_cmd_pool_name),
"iwl_cmd_pool:%s", dev_name(trans->dev));
trans->dev_cmd_pool =
kmem_cache_create(trans->dev_cmd_pool_name,
- sizeof(struct iwl_device_cmd),
- sizeof(void *),
- SLAB_HWCACHE_ALIGN,
- NULL);
+ txcmd_size, txcmd_align,
+ SLAB_HWCACHE_ALIGN, NULL);
if (!trans->dev_cmd_pool)
return NULL;
WARN_ON(!ops->wait_txq_empty && !ops->wait_tx_queues_empty);
+
+ trans->txqs.tso_hdr_page = alloc_percpu(struct iwl_tso_hdr_page);
+ if (!trans->txqs.tso_hdr_page) {
+ kmem_cache_destroy(trans->dev_cmd_pool);
+ return NULL;
+ }
return trans;
}
void iwl_trans_free(struct iwl_trans *trans)
{
+ int i;
+
+ for_each_possible_cpu(i) {
+ struct iwl_tso_hdr_page *p =
+ per_cpu_ptr(trans->txqs.tso_hdr_page, i);
+
+ if (p->page)
+ __free_page(p->page);
+ }
+
+ free_percpu(trans->txqs.tso_hdr_page);
+
kmem_cache_destroy(trans->dev_cmd_pool);
}
@@ -207,17 +270,3 @@
return 0;
}
IWL_EXPORT_SYMBOL(iwl_cmd_groups_verify_sorted);
-
-void iwl_trans_ref(struct iwl_trans *trans)
-{
- if (trans->ops->ref)
- trans->ops->ref(trans);
-}
-IWL_EXPORT_SYMBOL(iwl_trans_ref);
-
-void iwl_trans_unref(struct iwl_trans *trans)
-{
- if (trans->ops->unref)
- trans->ops->unref(trans);
-}
-IWL_EXPORT_SYMBOL(iwl_trans_unref);
--
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