From 9370bb92b2d16684ee45cf24e879c93c509162da Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 19 Dec 2024 01:47:39 +0000
Subject: [PATCH] add wifi6 8852be driver
---
kernel/drivers/net/wireless/intel/iwlegacy/3945-mac.c | 85 ++++++++++++++++--------------------------
1 files changed, 33 insertions(+), 52 deletions(-)
diff --git a/kernel/drivers/net/wireless/intel/iwlegacy/3945-mac.c b/kernel/drivers/net/wireless/intel/iwlegacy/3945-mac.c
index b536ec2..ef0ac42 100644
--- a/kernel/drivers/net/wireless/intel/iwlegacy/3945-mac.c
+++ b/kernel/drivers/net/wireless/intel/iwlegacy/3945-mac.c
@@ -1,25 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
/******************************************************************************
*
* Copyright(c) 2003 - 2011 Intel Corporation. All rights reserved.
*
* Portions of this file are derived from the ipw3945 project, as well
* as portions of the ieee80211 subsystem header files.
- *
- * 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.
- *
- * 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 LICENSE.
*
* Contact Information:
* Intel Linux Wireless <ilw@linux.intel.com>
@@ -33,7 +18,6 @@
#include <linux/module.h>
#include <linux/init.h>
#include <linux/pci.h>
-#include <linux/pci-aspm.h>
#include <linux/slab.h>
#include <linux/dma-mapping.h>
#include <linux/delay.h>
@@ -244,9 +228,7 @@
static int
il3945_remove_static_key(struct il_priv *il)
{
- int ret = -EOPNOTSUPP;
-
- return ret;
+ return -EOPNOTSUPP;
}
static int
@@ -383,7 +365,7 @@
case WLAN_CIPHER_SUITE_WEP104:
tx_cmd->sec_ctl |= TX_CMD_SEC_KEY128;
- /* fall through */
+ fallthrough;
case WLAN_CIPHER_SUITE_WEP40:
tx_cmd->sec_ctl |=
TX_CMD_SEC_WEP | (info->control.hw_key->
@@ -825,7 +807,7 @@
wake_up(&il->wait_command_queue);
}
-/**
+/*
* il3945_setup_handlers - Initialize Rx handler callbacks
*
* Setup the RX handlers for each of the reply types sent from the uCode
@@ -925,7 +907,7 @@
*
*/
-/**
+/*
* il3945_dma_addr2rbd_ptr - convert a DMA address to a uCode read buffer ptr
*/
static inline __le32
@@ -934,7 +916,7 @@
return cpu_to_le32((u32) dma_addr);
}
-/**
+/*
* il3945_rx_queue_restock - refill RX queue from pre-allocated pool
*
* If there are slots in the RX queue that need to be restocked,
@@ -984,7 +966,7 @@
}
}
-/**
+/*
* il3945_rx_replenish - Move all used packet from rx_used to rx_free
*
* When moving to rx_free an SKB is allocated for the slot.
@@ -1185,7 +1167,7 @@
return (int)ratio2dB[sig_ratio];
}
-/**
+/*
* il3945_rx_handle - Main entry function for receiving responses from uCode
*
* Uses the il->handlers callback function array to invoke
@@ -1392,9 +1374,9 @@
}
static void
-il3945_irq_tasklet(unsigned long data)
+il3945_irq_tasklet(struct tasklet_struct *t)
{
- struct il_priv *il = (struct il_priv *)data;
+ struct il_priv *il = from_tasklet(il, t, irq_tasklet);
u32 inta, handled = 0;
u32 inta_fh;
unsigned long flags;
@@ -1672,7 +1654,7 @@
il_free_fw_desc(il->pci_dev, &il->ucode_boot);
}
-/**
+/*
* il3945_verify_inst_full - verify runtime uCode image in card vs. host,
* looking at all data.
*/
@@ -1711,7 +1693,7 @@
return rc;
}
-/**
+/*
* il3945_verify_inst_sparse - verify runtime uCode image in card vs. host,
* using sample data 100 bytes apart. If these sample points are good,
* it's a pretty good bet that everything between them is good, too.
@@ -1748,7 +1730,7 @@
return rc;
}
-/**
+/*
* il3945_verify_ucode - determine which instruction image is in SRAM,
* and verify its contents
*/
@@ -1829,7 +1811,7 @@
IL3945_UCODE_GET(init_data_size);
IL3945_UCODE_GET(boot_size);
-/**
+/*
* il3945_read_ucode - Read uCode images from disk file.
*
* Copy into buffers for card to fetch via bus-mastering
@@ -2065,7 +2047,7 @@
return ret;
}
-/**
+/*
* il3945_set_ucode_ptrs - Set uCode address location
*
* Tell initialization uCode where to find runtime uCode.
@@ -2099,7 +2081,7 @@
return 0;
}
-/**
+/*
* il3945_init_alive_start - Called after N_ALIVE notification received
*
* Called after N_ALIVE notification received from "initialize" uCode.
@@ -2143,7 +2125,7 @@
queue_work(il->workqueue, &il->restart);
}
-/**
+/*
* il3945_alive_start - called after N_ALIVE notification received
* from protocol/runtime uCode (initialization uCode's
* Alive gets handled by il3945_init_alive_start()).
@@ -2318,9 +2300,7 @@
il3945_hw_txq_ctx_free(il);
exit:
memset(&il->card_alive, 0, sizeof(struct il_alive_resp));
-
- if (il->beacon_skb)
- dev_kfree_skb(il->beacon_skb);
+ dev_kfree_skb(il->beacon_skb);
il->beacon_skb = NULL;
/* clear out any free frames */
@@ -3400,10 +3380,12 @@
*
*****************************************************************************/
-static void
+static int
il3945_setup_deferred_work(struct il_priv *il)
{
il->workqueue = create_singlethread_workqueue(DRV_NAME);
+ if (!il->workqueue)
+ return -ENOMEM;
init_waitqueue_head(&il->wait_command_queue);
@@ -3419,9 +3401,9 @@
timer_setup(&il->watchdog, il_bg_watchdog, 0);
- tasklet_init(&il->irq_tasklet,
- il3945_irq_tasklet,
- (unsigned long)il);
+ tasklet_setup(&il->irq_tasklet, il3945_irq_tasklet);
+
+ return 0;
}
static void
@@ -3743,7 +3725,10 @@
}
il_set_rxon_channel(il, &il->bands[NL80211_BAND_2GHZ].channels[5]);
- il3945_setup_deferred_work(il);
+ err = il3945_setup_deferred_work(il);
+ if (err)
+ goto out_remove_sysfs;
+
il3945_setup_handlers(il);
il_power_initialize(il);
@@ -3755,21 +3740,19 @@
err = il3945_setup_mac(il);
if (err)
- goto out_remove_sysfs;
+ goto out_destroy_workqueue;
- err = il_dbgfs_register(il, DRV_NAME);
- if (err)
- IL_ERR("failed to create debugfs files. Ignoring error: %d\n",
- err);
+ il_dbgfs_register(il, DRV_NAME);
/* Start monitoring the killswitch */
queue_delayed_work(il->workqueue, &il->_3945.rfkill_poll, 2 * HZ);
return 0;
-out_remove_sysfs:
+out_destroy_workqueue:
destroy_workqueue(il->workqueue);
il->workqueue = NULL;
+out_remove_sysfs:
sysfs_remove_group(&pdev->dev.kobj, &il3945_attribute_group);
out_release_irq:
free_irq(il->pci_dev->irq, il);
@@ -3866,9 +3849,7 @@
il_free_channel_map(il);
il_free_geos(il);
kfree(il->scan_cmd);
- if (il->beacon_skb)
- dev_kfree_skb(il->beacon_skb);
-
+ dev_kfree_skb(il->beacon_skb);
ieee80211_free_hw(il->hw);
}
--
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