Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/include/linux/igmp.h b/include/linux/igmp.h
index 119f539..463047d 100644
--- a/include/linux/igmp.h
+++ b/include/linux/igmp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Linux NET3: Internet Group Management Protocol [IGMP]
*
@@ -5,12 +6,6 @@
* Alan Cox <alan@lxorguk.ukuu.org.uk>
*
* Extended to talk the BSD extended IGMP protocol of mrouted 3.6
- *
- *
- * 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.
*/
#ifndef _LINUX_IGMP_H
#define _LINUX_IGMP_H
@@ -18,6 +13,7 @@
#include <linux/skbuff.h>
#include <linux/timer.h>
#include <linux/in.h>
+#include <linux/ip.h>
#include <linux/refcount.h>
#include <uapi/linux/igmp.h>
@@ -64,8 +60,8 @@
struct ip_sf_list {
struct ip_sf_list *sf_next;
- __be32 sf_inaddr;
unsigned long sf_count[2]; /* include/exclude counts */
+ __be32 sf_inaddr;
unsigned char sf_gsresp; /* include in g & s response? */
unsigned char sf_oldin; /* change state */
unsigned char sf_crcount; /* retrans. left to send */
@@ -106,6 +102,14 @@
#define IGMPV3_QQIC(value) IGMPV3_EXP(0x80, 4, 3, value)
#define IGMPV3_MRC(value) IGMPV3_EXP(0x80, 4, 3, value)
+static inline int ip_mc_may_pull(struct sk_buff *skb, unsigned int len)
+{
+ if (skb_transport_offset(skb) + ip_transport_len(skb) < len)
+ return 0;
+
+ return pskb_may_pull(skb, len);
+}
+
extern int ip_check_mc_rcu(struct in_device *dev, __be32 mc_addr, __be32 src_addr, u8 proto);
extern int igmp_rcv(struct sk_buff *);
extern int ip_mc_join_group(struct sock *sk, struct ip_mreqn *imr);
@@ -128,8 +132,14 @@
extern void ip_mc_down(struct in_device *);
extern void ip_mc_unmap(struct in_device *);
extern void ip_mc_remap(struct in_device *);
-extern void ip_mc_dec_group(struct in_device *in_dev, __be32 addr);
+extern void __ip_mc_dec_group(struct in_device *in_dev, __be32 addr, gfp_t gfp);
+static inline void ip_mc_dec_group(struct in_device *in_dev, __be32 addr)
+{
+ return __ip_mc_dec_group(in_dev, addr, GFP_KERNEL);
+}
+extern void __ip_mc_inc_group(struct in_device *in_dev, __be32 addr,
+ gfp_t gfp);
extern void ip_mc_inc_group(struct in_device *in_dev, __be32 addr);
-int ip_mc_check_igmp(struct sk_buff *skb, struct sk_buff **skb_trimmed);
+int ip_mc_check_igmp(struct sk_buff *skb);
#endif