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/net/l2tp/l2tp_ip6.c | 79 +++++++++++++--------------------------
1 files changed, 27 insertions(+), 52 deletions(-)
diff --git a/kernel/net/l2tp/l2tp_ip6.c b/kernel/net/l2tp/l2tp_ip6.c
index 2ff25c4..9746c62 100644
--- a/kernel/net/l2tp/l2tp_ip6.c
+++ b/kernel/net/l2tp/l2tp_ip6.c
@@ -1,12 +1,7 @@
-/*
- * L2TPv3 IP encapsulation support for IPv6
+// SPDX-License-Identifier: GPL-2.0-or-later
+/* L2TPv3 IP encapsulation support for IPv6
*
* Copyright (c) 2012 Katalix Systems Ltd
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -42,7 +37,8 @@
u32 peer_conn_id;
/* ipv6_pinfo has to be the last member of l2tp_ip6_sock, see
- inet6_sk_generic */
+ * inet6_sk_generic
+ */
struct ipv6_pinfo inet6;
};
@@ -135,14 +131,14 @@
struct l2tp_session *session;
struct l2tp_tunnel *tunnel = NULL;
struct ipv6hdr *iph;
- int length;
if (!pskb_may_pull(skb, 4))
goto discard;
/* Point to L2TP header */
- optr = ptr = skb->data;
- session_id = ntohl(*((__be32 *) ptr));
+ optr = skb->data;
+ ptr = skb->data;
+ session_id = ntohl(*((__be32 *)ptr));
ptr += 4;
/* RFC3931: L2TP/IP packets have the first 4 bytes containing
@@ -163,19 +159,6 @@
if (!tunnel)
goto discard_sess;
- /* Trace packet contents, if enabled */
- if (tunnel->debug & L2TP_MSG_DATA) {
- length = min(32u, skb->len);
- if (!pskb_may_pull(skb, length))
- goto discard_sess;
-
- /* Point to L2TP header */
- optr = ptr = skb->data;
- ptr += 4;
- pr_debug("%s: ip recv\n", tunnel->name);
- print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, ptr, length);
- }
-
if (l2tp_v3_ensure_opt_in_linear(session, skb, &ptr, &optr))
goto discard_sess;
@@ -192,7 +175,7 @@
if ((skb->data[0] & 0xc0) != 0xc0)
goto discard;
- tunnel_id = ntohl(*(__be32 *) &skb->data[4]);
+ tunnel_id = ntohl(*(__be32 *)&skb->data[4]);
iph = ipv6_hdr(skb);
read_lock_bh(&l2tp_ip6_lock);
@@ -208,7 +191,7 @@
if (!xfrm6_policy_check(sk, XFRM_POLICY_IN, skb))
goto discard_put;
- nf_reset(skb);
+ nf_reset_ct(skb);
return sk_receive_skb(sk, skb, 1);
@@ -264,7 +247,7 @@
static void l2tp_ip6_destroy_sock(struct sock *sk)
{
- struct l2tp_tunnel *tunnel = sk->sk_user_data;
+ struct l2tp_tunnel *tunnel = l2tp_sk_to_tunnel(sk);
lock_sock(sk);
ip6_flush_pending_frames(sk);
@@ -272,15 +255,13 @@
if (tunnel)
l2tp_tunnel_delete(tunnel);
-
- inet6_destroy_sock(sk);
}
static int l2tp_ip6_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len)
{
struct inet_sock *inet = inet_sk(sk);
struct ipv6_pinfo *np = inet6_sk(sk);
- struct sockaddr_l2tpip6 *addr = (struct sockaddr_l2tpip6 *) uaddr;
+ struct sockaddr_l2tpip6 *addr = (struct sockaddr_l2tpip6 *)uaddr;
struct net *net = sock_net(sk);
__be32 v4addr = 0;
int bound_dev_if;
@@ -379,8 +360,8 @@
static int l2tp_ip6_connect(struct sock *sk, struct sockaddr *uaddr,
int addr_len)
{
- struct sockaddr_l2tpip6 *lsa = (struct sockaddr_l2tpip6 *) uaddr;
- struct sockaddr_in6 *usin = (struct sockaddr_in6 *) uaddr;
+ struct sockaddr_l2tpip6 *lsa = (struct sockaddr_l2tpip6 *)uaddr;
+ struct sockaddr_in6 *usin = (struct sockaddr_in6 *)uaddr;
struct in6_addr *daddr;
int addr_type;
int rc;
@@ -490,7 +471,7 @@
int err = 0;
skb = skb_peek(&sk->sk_write_queue);
- if (skb == NULL)
+ if (!skb)
goto out;
transhdr = (__be32 *)skb_transport_header(skb);
@@ -519,22 +500,20 @@
struct ipcm6_cookie ipc6;
int addr_len = msg->msg_namelen;
int transhdrlen = 4; /* zero session-id */
- int ulen = len + transhdrlen;
+ int ulen;
int err;
/* Rough check on arithmetic overflow,
- better check is made in ip6_append_data().
+ * better check is made in ip6_append_data().
*/
- if (len > INT_MAX)
+ if (len > INT_MAX - transhdrlen)
return -EMSGSIZE;
/* Mirror BSD error message compatibility */
if (msg->msg_flags & MSG_OOB)
return -EOPNOTSUPP;
- /*
- * Get and verify the address.
- */
+ /* Get and verify the address */
memset(&fl6, 0, sizeof(fl6));
fl6.flowi6_mark = sk->sk_mark;
@@ -552,15 +531,14 @@
daddr = &lsa->l2tp_addr;
if (np->sndflow) {
fl6.flowlabel = lsa->l2tp_flowinfo & IPV6_FLOWINFO_MASK;
- if (fl6.flowlabel&IPV6_FLOWLABEL_MASK) {
+ if (fl6.flowlabel & IPV6_FLOWLABEL_MASK) {
flowlabel = fl6_sock_lookup(sk, fl6.flowlabel);
- if (flowlabel == NULL)
+ if (IS_ERR(flowlabel))
return -EINVAL;
}
}
- /*
- * Otherwise it will be difficult to maintain
+ /* Otherwise it will be difficult to maintain
* sk->sk_dst_cache.
*/
if (sk->sk_state == TCP_ESTABLISHED &&
@@ -595,10 +573,10 @@
}
if ((fl6.flowlabel & IPV6_FLOWLABEL_MASK) && !flowlabel) {
flowlabel = fl6_sock_lookup(sk, fl6.flowlabel);
- if (flowlabel == NULL)
+ if (IS_ERR(flowlabel))
return -EINVAL;
}
- if (!(opt->opt_nflen|opt->opt_flen))
+ if (!(opt->opt_nflen | opt->opt_flen))
opt = NULL;
}
@@ -626,7 +604,7 @@
else if (!fl6.flowi6_oif)
fl6.flowi6_oif = np->ucast_oif;
- security_sk_classify_flow(sk, flowi6_to_flowi(&fl6));
+ security_sk_classify_flow(sk, flowi6_to_flowi_common(&fl6));
if (ipc6.tclass < 0)
ipc6.tclass = np->tclass;
@@ -650,6 +628,7 @@
back_from_confirm:
lock_sock(sk);
+ ulen = len + skb_queue_empty(&sk->sk_write_queue) ? transhdrlen : 0;
err = ip6_append_data(sk, ip_generic_getfrag, msg,
ulen, transhdrlen, &ipc6,
&fl6, (struct rt6_info *)dst,
@@ -749,10 +728,6 @@
.hash = l2tp_ip6_hash,
.unhash = l2tp_ip6_unhash,
.obj_size = sizeof(struct l2tp_ip6_sock),
-#ifdef CONFIG_COMPAT
- .compat_setsockopt = compat_ipv6_setsockopt,
- .compat_getsockopt = compat_ipv6_getsockopt,
-#endif
};
static const struct proto_ops l2tp_ip6_ops = {
@@ -766,6 +741,7 @@
.getname = l2tp_ip6_getname,
.poll = datagram_poll,
.ioctl = inet6_ioctl,
+ .gettstamp = sock_gettstamp,
.listen = sock_no_listen,
.shutdown = inet_shutdown,
.setsockopt = sock_common_setsockopt,
@@ -775,8 +751,7 @@
.mmap = sock_no_mmap,
.sendpage = sock_no_sendpage,
#ifdef CONFIG_COMPAT
- .compat_setsockopt = compat_sock_common_setsockopt,
- .compat_getsockopt = compat_sock_common_getsockopt,
+ .compat_ioctl = inet6_compat_ioctl,
#endif
};
--
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