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/*
 * INET		An implementation of the TCP/IP protocol suite for the LINUX
 *		operating system.  INET is implemented using the  BSD Socket
 *		interface as the means of communication with the user level.
 *
 *		Definitions for the ICMP module.
 *
 * Version:	@(#)icmp.h	1.0.4	05/13/93
 *
 * Authors:	Ross Biro
 *		Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
 *
 *		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 _ICMP_H
#define	_ICMP_H

#include <linux/icmp.h>

#include <net/inet_sock.h>
#include <net/snmp.h>

struct icmp_err {
  int		errno;
  unsigned int	fatal:1;
};

extern const struct icmp_err icmp_err_convert[];
#define ICMP_INC_STATS(net, field)	SNMP_INC_STATS((net)->mib.icmp_statistics, field)
#define __ICMP_INC_STATS(net, field)	__SNMP_INC_STATS((net)->mib.icmp_statistics, field)
#define ICMPMSGOUT_INC_STATS(net, field)	SNMP_INC_STATS_ATOMIC_LONG((net)->mib.icmpmsg_statistics, field+256)
#define ICMPMSGIN_INC_STATS(net, field)		SNMP_INC_STATS_ATOMIC_LONG((net)->mib.icmpmsg_statistics, field)

struct dst_entry;
struct net_proto_family;
struct sk_buff;
struct net;

void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info);
int icmp_rcv(struct sk_buff *skb);
void icmp_err(struct sk_buff *skb, u32 info);
int icmp_init(void);
void icmp_out_count(struct net *net, unsigned char type);

#endif	/* _ICMP_H */
it anyway) Note that disabling the MMU in ExitBootServices() is not compliant with the UEFI spec, and carries great risk due to the fact that switching from cached to uncached memory accesses halfway through compiler generated code (i.e., involving a stack) can never be done in a way that is architecturally safe. Fixes: abfb7b686a3e ("efi/libstub/arm*: Pass latest memory map to the kernel") Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Tested-by: Riku Voipio <riku.voipio@linaro.org> Cc: <stable@vger.kernel.org> Cc: mark.rutland@arm.com Cc: linux-efi@vger.kernel.org Cc: matt@codeblueprint.co.uk Cc: leif.lindholm@linaro.org Cc: linux-arm-kernel@lists.infradead.org Link: http://lkml.kernel.org/r/1485971102-23330-2-git-send-email-ard.biesheuvel@linaro.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/net')