linux-stable/include/linux/inet.h
Sagi Grimberg b1a951fe46 net/utils: generic inet_pton_with_scope helper
Several locations in the stack need to handle ipv4/ipv6
(with scope) and port strings conversion to sockaddr.
Add a helper that takes either AF_INET, AF_INET6 or
AF_UNSPEC (for wildcard) to centralize this handling.

Suggested-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Jens Axboe <axboe@fb.com>
2017-04-04 09:48:23 -06:00

63 lines
2.8 KiB
C

/*
* Swansea University Computer Society NET3
*
* This work is derived from NET2Debugged, which is in turn derived
* from NET2D which was written by:
* Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
*
* This work was derived from Ross Biro's inspirational work
* for the LINUX operating system. His version numbers were:
*
* $Id: Space.c,v 0.8.4.5 1992/12/12 19:25:04 bir7 Exp $
* $Id: arp.c,v 0.8.4.6 1993/01/28 22:30:00 bir7 Exp $
* $Id: arp.h,v 0.8.4.6 1993/01/28 22:30:00 bir7 Exp $
* $Id: dev.c,v 0.8.4.13 1993/01/23 18:00:11 bir7 Exp $
* $Id: dev.h,v 0.8.4.7 1993/01/23 18:00:11 bir7 Exp $
* $Id: eth.c,v 0.8.4.4 1993/01/22 23:21:38 bir7 Exp $
* $Id: eth.h,v 0.8.4.1 1992/11/10 00:17:18 bir7 Exp $
* $Id: icmp.c,v 0.8.4.9 1993/01/23 18:00:11 bir7 Exp $
* $Id: icmp.h,v 0.8.4.2 1992/11/15 14:55:30 bir7 Exp $
* $Id: ip.c,v 0.8.4.8 1992/12/12 19:25:04 bir7 Exp $
* $Id: ip.h,v 0.8.4.2 1993/01/23 18:00:11 bir7 Exp $
* $Id: loopback.c,v 0.8.4.8 1993/01/23 18:00:11 bir7 Exp $
* $Id: packet.c,v 0.8.4.7 1993/01/26 22:04:00 bir7 Exp $
* $Id: protocols.c,v 0.8.4.3 1992/11/15 14:55:30 bir7 Exp $
* $Id: raw.c,v 0.8.4.12 1993/01/26 22:04:00 bir7 Exp $
* $Id: sock.c,v 0.8.4.6 1993/01/28 22:30:00 bir7 Exp $
* $Id: sock.h,v 0.8.4.7 1993/01/26 22:04:00 bir7 Exp $
* $Id: tcp.c,v 0.8.4.16 1993/01/26 22:04:00 bir7 Exp $
* $Id: tcp.h,v 0.8.4.7 1993/01/22 22:58:08 bir7 Exp $
* $Id: timer.c,v 0.8.4.8 1993/01/23 18:00:11 bir7 Exp $
* $Id: timer.h,v 0.8.4.2 1993/01/23 18:00:11 bir7 Exp $
* $Id: udp.c,v 0.8.4.12 1993/01/26 22:04:00 bir7 Exp $
* $Id: udp.h,v 0.8.4.1 1992/11/10 00:17:18 bir7 Exp $
* $Id: we.c,v 0.8.4.10 1993/01/23 18:00:11 bir7 Exp $
* $Id: wereg.h,v 0.8.4.1 1992/11/10 00:17:18 bir7 Exp $
*
* 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 _LINUX_INET_H
#define _LINUX_INET_H
#include <linux/types.h>
#include <net/net_namespace.h>
#include <linux/socket.h>
/*
* These mimic similar macros defined in user-space for inet_ntop(3).
* See /usr/include/netinet/in.h .
*/
#define INET_ADDRSTRLEN (16)
#define INET6_ADDRSTRLEN (48)
extern __be32 in_aton(const char *str);
extern int in4_pton(const char *src, int srclen, u8 *dst, int delim, const char **end);
extern int in6_pton(const char *src, int srclen, u8 *dst, int delim, const char **end);
extern int inet_pton_with_scope(struct net *net, unsigned short af,
const char *src, const char *port, struct sockaddr_storage *addr);
#endif /* _LINUX_INET_H */