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Commit 9ef6b42a authored by Nazarov Sergey's avatar Nazarov Sergey Committed by David S. Miller
Browse files

net: Add __icmp_send helper. 



Add __icmp_send function having ip_options struct parameter

Signed-off-by: default avatarSergey Nazarov <s-nazarov@yandex.ru>
Reviewed-by: default avatarPaul Moore <paul@paul-moore.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent ecef67cb

include/net/icmp.h

+8 −1
Original line number Diff line number Diff line
@@ -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);

int icmp_err(struct sk_buff *skb, u32 info);

int icmp_init(void);

net/ipv4/icmp.c

+4 −3
Original line number Diff line number Diff line
@@ -570,7 +570,8 @@ static struct rtable *icmp_route_lookup(struct net *net, 
 *			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;
@@ -691,7 +692,7 @@ void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info) 
					  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;
@@ -742,7 +743,7 @@ void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info) 
	local_bh_enable();

out:;

}

EXPORT_SYMBOL(icmp_send);

EXPORT_SYMBOL(__icmp_send);





static void icmp_socket_deliver(struct sk_buff *skb, u32 info)