Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/net/ipv6/udp_offload.c b/net/ipv6/udp_offload.c
index 95dee9c..64b8f05 100644
--- a/net/ipv6/udp_offload.c
+++ b/net/ipv6/udp_offload.c
@@ -1,16 +1,13 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* IPV6 GSO/GRO offload support
* Linux INET6 implementation
*
- * 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.
- *
* UDPv6 GSO support
*/
#include <linux/skbuff.h>
#include <linux/netdevice.h>
+#include <linux/indirect_call_wrapper.h>
#include <net/protocol.h>
#include <net/ipv6.h>
#include <net/udp.h>
@@ -114,12 +111,12 @@
return segs;
}
-static struct sk_buff *udp6_gro_receive(struct list_head *head,
- struct sk_buff *skb)
+INDIRECT_CALLABLE_SCOPE
+struct sk_buff *udp6_gro_receive(struct list_head *head, struct sk_buff *skb)
{
struct udphdr *uh = udp_gro_udphdr(skb);
- if (unlikely(!uh))
+ if (unlikely(!uh) || !static_branch_unlikely(&udpv6_encap_needed_key))
goto flush;
/* Don't bother verifying checksum if we're going to flush anyway. */
@@ -142,18 +139,14 @@
return NULL;
}
-static int udp6_gro_complete(struct sk_buff *skb, int nhoff)
+INDIRECT_CALLABLE_SCOPE int udp6_gro_complete(struct sk_buff *skb, int nhoff)
{
const struct ipv6hdr *ipv6h = ipv6_hdr(skb);
struct udphdr *uh = (struct udphdr *)(skb->data + nhoff);
- if (uh->check) {
- skb_shinfo(skb)->gso_type |= SKB_GSO_UDP_TUNNEL_CSUM;
+ if (uh->check)
uh->check = ~udp_v6_check(skb->len - nhoff, &ipv6h->saddr,
&ipv6h->daddr, 0);
- } else {
- skb_shinfo(skb)->gso_type |= SKB_GSO_UDP_TUNNEL;
- }
return udp_gro_complete(skb, nhoff, udp6_lib_lookup_skb);
}