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/marvell/mwifiex/uap_txrx.c | 54 ++++++++++++++++++++++++++++++++++++++----------------
1 files changed, 38 insertions(+), 16 deletions(-)
diff --git a/kernel/drivers/net/wireless/marvell/mwifiex/uap_txrx.c b/kernel/drivers/net/wireless/marvell/mwifiex/uap_txrx.c
index 5ce85d5..780ea46 100644
--- a/kernel/drivers/net/wireless/marvell/mwifiex/uap_txrx.c
+++ b/kernel/drivers/net/wireless/marvell/mwifiex/uap_txrx.c
@@ -1,10 +1,10 @@
/*
- * Marvell Wireless LAN device driver: AP TX and RX data handling
+ * NXP Wireless LAN device driver: AP TX and RX data handling
*
- * Copyright (C) 2012-2014, Marvell International Ltd.
+ * Copyright 2011-2020 NXP
*
- * This software file (the "File") is distributed by Marvell International
- * Ltd. under the terms of the GNU General Public License Version 2, June 1991
+ * This software file (the "File") is distributed by NXP
+ * under the terms of the GNU General Public License Version 2, June 1991
* (the "License"). You may use, redistribute and/or modify this File in
* accordance with the terms and conditions of the License, a copy of which
* is available by writing to the Free Software Foundation, Inc.,
@@ -71,11 +71,10 @@
*/
static void mwifiex_uap_cleanup_tx_queues(struct mwifiex_private *priv)
{
- unsigned long flags;
struct list_head *ra_list;
int i;
- spin_lock_irqsave(&priv->wmm.ra_list_spinlock, flags);
+ spin_lock_bh(&priv->wmm.ra_list_spinlock);
for (i = 0; i < MAX_NUM_TID; i++, priv->del_list_idx++) {
if (priv->del_list_idx == MAX_NUM_TID)
@@ -87,7 +86,7 @@
}
}
- spin_unlock_irqrestore(&priv->wmm.ra_list_spinlock, flags);
+ spin_unlock_bh(&priv->wmm.ra_list_spinlock);
}
@@ -113,6 +112,16 @@
"Tx: Bridge packet limit reached. Drop packet!\n");
kfree_skb(skb);
mwifiex_uap_cleanup_tx_queues(priv);
+ return;
+ }
+
+ if (sizeof(*rx_pkt_hdr) +
+ le16_to_cpu(uap_rx_pd->rx_pkt_offset) > skb->len) {
+ mwifiex_dbg(adapter, ERROR,
+ "wrong rx packet offset: len=%d,rx_pkt_offset=%d\n",
+ skb->len, le16_to_cpu(uap_rx_pd->rx_pkt_offset));
+ priv->stats.rx_dropped++;
+ dev_kfree_skb_any(skb);
return;
}
@@ -256,7 +265,15 @@
if (is_multicast_ether_addr(ra)) {
skb_uap = skb_copy(skb, GFP_ATOMIC);
- mwifiex_uap_queue_bridged_pkt(priv, skb_uap);
+ if (likely(skb_uap)) {
+ mwifiex_uap_queue_bridged_pkt(priv, skb_uap);
+ } else {
+ mwifiex_dbg(adapter, ERROR,
+ "failed to copy skb for uAP\n");
+ priv->stats.rx_dropped++;
+ dev_kfree_skb_any(skb);
+ return -1;
+ }
} else {
if (mwifiex_get_sta_entry(priv, ra)) {
/* Requeue Intra-BSS packet */
@@ -351,11 +368,7 @@
skb->truesize += (skb->len - MWIFIEX_RX_DATA_BUF_SIZE);
/* Forward multicast/broadcast packet to upper layer*/
- if (in_interrupt())
- netif_rx(skb);
- else
- netif_rx_ni(skb);
-
+ netif_rx_any_context(skb);
return 0;
}
@@ -378,12 +391,21 @@
struct rx_packet_hdr *rx_pkt_hdr;
u16 rx_pkt_type;
u8 ta[ETH_ALEN], pkt_type;
- unsigned long flags;
struct mwifiex_sta_node *node;
uap_rx_pd = (struct uap_rxpd *)(skb->data);
rx_pkt_type = le16_to_cpu(uap_rx_pd->rx_pkt_type);
rx_pkt_hdr = (void *)uap_rx_pd + le16_to_cpu(uap_rx_pd->rx_pkt_offset);
+
+ if (le16_to_cpu(uap_rx_pd->rx_pkt_offset) +
+ sizeof(rx_pkt_hdr->eth803_hdr) > skb->len) {
+ mwifiex_dbg(adapter, ERROR,
+ "wrong rx packet for struct ethhdr: len=%d, offset=%d\n",
+ skb->len, le16_to_cpu(uap_rx_pd->rx_pkt_offset));
+ priv->stats.rx_dropped++;
+ dev_kfree_skb_any(skb);
+ return 0;
+ }
ether_addr_copy(ta, rx_pkt_hdr->eth803_hdr.h_source);
@@ -413,12 +435,12 @@
if (rx_pkt_type != PKT_TYPE_BAR && uap_rx_pd->priority < MAX_NUM_TID) {
- spin_lock_irqsave(&priv->sta_list_spinlock, flags);
+ spin_lock_bh(&priv->sta_list_spinlock);
node = mwifiex_get_sta_entry(priv, ta);
if (node)
node->rx_seq[uap_rx_pd->priority] =
le16_to_cpu(uap_rx_pd->seq_num);
- spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
+ spin_unlock_bh(&priv->sta_list_spinlock);
}
if (!priv->ap_11n_enabled ||
--
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