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Commit 4f5736c4 authored by Arnaldo Carvalho de Melo's avatar Arnaldo Carvalho de Melo Committed by David S. Miller
Browse files

[TCPDIAG]: Introduce inet_diag_{register,unregister} 



Next changeset will rename tcp_diag to inet_diag and move the tcp_diag code out
of it and into a new tcp_diag.c, similar to the net/dccp/diag.c introduced in
this changeset, completing the transition to a generic inet_diag
infrastructure.

Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@mandriva.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 5324a040

include/linux/tcp_diag.h

+19 −0
Original line number Diff line number Diff line
@@ -5,6 +5,8 @@ 
#define TCPDIAG_GETSOCK 18

#define DCCPDIAG_GETSOCK 19



#define INET_DIAG_GETSOCK_MAX 24



/* Socket identity */

struct tcpdiag_sockid

{
@@ -125,4 +127,21 @@ struct tcpvegas_info { 
	__u32	tcpv_minrtt;

};



#ifdef __KERNEL__

struct sock;

struct inet_hashinfo;



struct inet_diag_handler {

	struct inet_hashinfo    *idiag_hashinfo;

	void			(*idiag_get_info)(struct sock *sk,

						  struct tcpdiagmsg *r,

						  void *info);

	__u16                   idiag_info_size;

	__u16                   idiag_type;

};



extern int  inet_diag_register(const struct inet_diag_handler *handler);

extern void inet_diag_unregister(const struct inet_diag_handler *handler);

#endif /* __KERNEL__ */



#endif /* _TCP_DIAG_H_ */

net/dccp/Kconfig

+5 −0
Original line number Diff line number Diff line
@@ -19,6 +19,11 @@ config IP_DCCP 


	  If in doubt, say N.



config IP_DCCP_DIAG

	depends on IP_DCCP && IP_TCPDIAG

	def_tristate y if (IP_DCCP = y && IP_TCPDIAG = y)

	def_tristate m



source "net/dccp/ccids/Kconfig"



endmenu

net/dccp/Makefile

+4 −0
Original line number Diff line number Diff line
@@ -3,4 +3,8 @@ obj-$(CONFIG_IP_DCCP) += dccp.o 
dccp-y := ccid.o input.o ipv4.o minisocks.o options.o output.o proto.o \

	  timer.o packet_history.o



obj-$(CONFIG_IP_DCCP_DIAG) += dccp_diag.o



obj-y += ccids/



dccp_diag-y := diag.o

net/dccp/diag.c

0 → 100644
+47 −0
Original line number Diff line number Diff line 
/*

 *  net/dccp/diag.c

 *

 *  An implementation of the DCCP protocol

 *  Arnaldo Carvalho de Melo <acme@mandriva.com>

 *

 *	This program is free software; you can redistribute it and/or modify it

 *	under the terms of the GNU General Public License version 2 as

 *	published by the Free Software Foundation.

 */



#include <linux/config.h>



#include <linux/module.h>

#include <linux/tcp_diag.h>



#include "dccp.h"



static void dccp_diag_get_info(struct sock *sk, struct tcpdiagmsg *r,

			       void *_info)

{

	r->tcpdiag_rqueue = r->tcpdiag_wqueue = 0;

}



static struct inet_diag_handler dccp_diag_handler = {

	.idiag_hashinfo	 = &dccp_hashinfo,

	.idiag_get_info	 = dccp_diag_get_info,

	.idiag_type	 = DCCPDIAG_GETSOCK,

	.idiag_info_size = 0,

};



static int __init dccp_diag_init(void)

{

	return inet_diag_register(&dccp_diag_handler);

}



static void __exit dccp_diag_fini(void)

{

	inet_diag_unregister(&dccp_diag_handler);

}



module_init(dccp_diag_init);

module_exit(dccp_diag_fini);



MODULE_LICENSE("GPL");

MODULE_AUTHOR("Arnaldo Carvalho de Melo <acme@mandriva.com>");

MODULE_DESCRIPTION("DCCP inet_diag handler");

net/ipv4/Kconfig

+0 −3
Original line number Diff line number Diff line
@@ -423,9 +423,6 @@ config IP_TCPDIAG 
	  

	  If unsure, say Y.



config IP_TCPDIAG_DCCP

	def_bool (IP_TCPDIAG=y && IP_DCCP=y) || (IP_TCPDIAG=m && IP_DCCP)



config TCP_CONG_ADVANCED

	bool "TCP: advanced congestion control"

	---help---