From: Nazarov Sergey <s-nazarov@yandex.ru>
Date: Mon, 25 Feb 2019 19:24:15 +0300
Subject: net: Add __icmp_send helper.
Git-commit: 9ef6b42ad6fd7929dd1b6092cb02014e382c6a91
Patch-mainline: v5.0
References: networking-stable-19_03_07
Add __icmp_send function having ip_options struct parameter
Signed-off-by: Sergey Nazarov <s-nazarov@yandex.ru>
Reviewed-by: Paul Moore <paul@paul-moore.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
---
include/net/icmp.h | 9 ++++++++-
net/ipv4/icmp.c | 7 ++++---
2 files changed, 12 insertions(+), 4 deletions(-)
--- a/include/net/icmp.h
+++ b/include/net/icmp.h
@@ -22,6 +22,7 @@
#include <net/inet_sock.h>
#include <net/snmp.h>
+#include <net/ip.h>
struct icmp_err {
int errno;
@@ -39,7 +40,13 @@ struct net_proto_family;
struct sk_buff;
struct net;
-void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info);
+void __icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info,
+ const struct ip_options *opt);
+static inline void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info)
+{
+ __icmp_send(skb_in, type, code, info, &IPCB(skb_in)->opt);
+}
+
int icmp_rcv(struct sk_buff *skb);
void icmp_err(struct sk_buff *skb, u32 info);
int icmp_init(void);
--- a/net/ipv4/icmp.c
+++ b/net/ipv4/icmp.c
@@ -573,7 +573,8 @@ relookup_failed:
* MUST reply to only the first fragment.
*/
-void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info)
+void __icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info,
+ const struct ip_options *opt)
{
struct iphdr *iph;
int room;
@@ -694,7 +695,7 @@ void icmp_send(struct sk_buff *skb_in, i
iph->tos;
mark = IP4_REPLY_MARK(net, skb_in->mark);
- if (ip_options_echo(net, &icmp_param.replyopts.opt.opt, skb_in))
+ if (__ip_options_echo(net, &icmp_param.replyopts.opt.opt, skb_in, opt))
goto out_unlock;
@@ -747,7 +748,7 @@ out_bh_enable:
local_bh_enable();
out:;
}
-EXPORT_SYMBOL(icmp_send);
+EXPORT_SYMBOL(__icmp_send);
static void icmp_socket_deliver(struct sk_buff *skb, u32 info)