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/ath/wil6210/pmc.c | 51 +++++++++++++++++++++++++++++++--------------------
1 files changed, 31 insertions(+), 20 deletions(-)
diff --git a/kernel/drivers/net/wireless/ath/wil6210/pmc.c b/kernel/drivers/net/wireless/ath/wil6210/pmc.c
index c49f798..a2f7b4c 100644
--- a/kernel/drivers/net/wireless/ath/wil6210/pmc.c
+++ b/kernel/drivers/net/wireless/ath/wil6210/pmc.c
@@ -1,23 +1,13 @@
+// SPDX-License-Identifier: ISC
/*
* Copyright (c) 2012-2015,2017 Qualcomm Atheros, Inc.
* Copyright (c) 2018, The Linux Foundation. All rights reserved.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <linux/types.h>
#include <linux/errno.h>
#include <linux/fs.h>
+#include <linux/seq_file.h>
#include "wmi.h"
#include "wil6210.h"
#include "txrx.h"
@@ -39,8 +29,7 @@
mutex_init(&wil->pmc.lock);
}
-/**
- * Allocate the physical ring (p-ring) and the required
+/* Allocate the physical ring (p-ring) and the required
* number of descriptors of required size.
* Initialize the descriptors as required by pmc dma.
* The descriptors' buffers dwords are initialized to hold
@@ -231,8 +220,7 @@
mutex_unlock(&pmc->lock);
}
-/**
- * Traverse the p-ring and release all buffers.
+/* Traverse the p-ring and release all buffers.
* At the end release the p-ring memory
*/
void wil_pmc_free(struct wil6210_priv *wil, int send_pmc_cmd)
@@ -309,8 +297,7 @@
mutex_unlock(&pmc->lock);
}
-/**
- * Status of the last operation requested via debugfs: alloc/free/read.
+/* Status of the last operation requested via debugfs: alloc/free/read.
* 0 - success or negative errno
*/
int wil_pmc_last_cmd_status(struct wil6210_priv *wil)
@@ -321,8 +308,7 @@
return wil->pmc.last_cmd_status;
}
-/**
- * Read from required position up to the end of current descriptor,
+/* Read from required position up to the end of current descriptor,
* depends on descriptor size configured during alloc request.
*/
ssize_t wil_pmc_read(struct file *filp, char __user *buf, size_t count,
@@ -431,3 +417,28 @@
return newpos;
}
+
+int wil_pmcring_read(struct seq_file *s, void *data)
+{
+ struct wil6210_priv *wil = s->private;
+ struct pmc_ctx *pmc = &wil->pmc;
+ size_t pmc_ring_size =
+ sizeof(struct vring_rx_desc) * pmc->num_descriptors;
+
+ mutex_lock(&pmc->lock);
+
+ if (!wil_is_pmc_allocated(pmc)) {
+ wil_err(wil, "error, pmc is not allocated!\n");
+ pmc->last_cmd_status = -EPERM;
+ mutex_unlock(&pmc->lock);
+ return -EPERM;
+ }
+
+ wil_dbg_misc(wil, "pmcring_read: size %zu\n", pmc_ring_size);
+
+ seq_write(s, pmc->pring_va, pmc_ring_size);
+
+ mutex_unlock(&pmc->lock);
+
+ return 0;
+}
--
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