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netlink: Remove handmade rtnl macros/definitions

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All we need is (should be) in rtnetlink.h

Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
This commit is contained in:
Pavel Emelyanov 2012-08-02 07:24:29 +04:00
parent b7b5bfdd28
commit cffe1ea172
5 changed files with 4 additions and 58 deletions
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58
include/libnetlink.h
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@ -1,64 +1,6 @@
#ifndef LIBNETLINK_H__
#define LIBNETLINK_H__
struct rtattr {
unsigned short rta_len;
unsigned short rta_type;
};
/* Macros to handle rtattributes */
#define RTA_ALIGNTO 4
#define RTA_ALIGN(len) (((len) + RTA_ALIGNTO - 1) & ~(RTA_ALIGNTO - 1))
#define RTA_OK(rta, len) ((len) >= (int)sizeof(struct rtattr) && \
(rta)->rta_len >= sizeof(struct rtattr) && \
(rta)->rta_len <= (len))
#define RTA_NEXT(rta, attrlen) ((attrlen) -= RTA_ALIGN((rta)->rta_len), \
(struct rtattr *)(((char*)(rta)) + RTA_ALIGN((rta)->rta_len)))
#define RTA_LENGTH(len) (RTA_ALIGN(sizeof(struct rtattr)) + (len))
#define RTA_SPACE(len) RTA_ALIGN(RTA_LENGTH(len))
#define RTA_DATA(rta) ((void *)(((char *)(rta)) + RTA_LENGTH(0)))
#define RTA_PAYLOAD(rta) ((int)((rta)->rta_len) - RTA_LENGTH(0))
#ifndef NLMSG_ALIGN
# define NLMSG_ALIGN(len) (((len) + NLMSG_ALIGNTO - 1) & ~(NLMSG_ALIGNTO - 1))
#endif
#ifndef NLMSG_HDRLEN
# define NLMSG_HDRLEN ((int)NLMSG_ALIGN(sizeof(struct nlmsghdr)))
#endif
#ifndef NLMSG_LENGTH
# define NLMSG_LENGTH(len) ((len) + NLMSG_ALIGN(NLMSG_HDRLEN))
#endif
#define NLMSG_SPACE(len) NLMSG_ALIGN(NLMSG_LENGTH(len))
#ifndef NLMSG_DATA
# define NLMSG_DATA(nlh) ((void *)(((char *)nlh) + NLMSG_LENGTH(0)))
#endif
#ifndef NLMSG_NEXT
# define NLMSG_NEXT(nlh, len) ((len) -= NLMSG_ALIGN((nlh)->nlmsg_len), \
(struct nlmsghdr *)(((char *)(nlh)) + NLMSG_ALIGN((nlh)->nlmsg_len)))
#endif
#define NLMSG_OK(nlh, len) ((len) >= (int)sizeof(struct nlmsghdr) && \
(nlh)->nlmsg_len >= sizeof(struct nlmsghdr) && \
(nlh)->nlmsg_len <= (len))
#define NLMSG_PAYLOAD(nlh, len) ((nlh)->nlmsg_len - NLMSG_SPACE((len)))
#define NLMSG_NOOP 0x1 /* Nothing. */
#define NLMSG_ERROR 0x2 /* Error */
#define NLMSG_DONE 0x3 /* End of a dump */
#define NLMSG_OVERRUN 0x4 /* Data lost */
#define NLMSG_MIN_TYPE 0x10 /* < 0x10: reserved control messages */
#define CR_NLMSG_SEQ 24680 /* arbitrary chosen */
extern int parse_rtattr(struct rtattr *tb[], int max, struct rtattr *rta, int len);

1
libnetlink.c
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@ -1,6 +1,7 @@
#include <linux/types.h>
#include <sys/socket.h>
#include <linux/netlink.h>
#include <linux/rtnetlink.h>
#include <string.h>
#include <unistd.h>

1
sk-inet.c
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@ -1,6 +1,7 @@
#include <sys/types.h>
#include <sys/socket.h>
#include <linux/netlink.h>
#include <linux/rtnetlink.h>
#include <unistd.h>
#include <netinet/tcp.h>
#include <arpa/inet.h>

1
sk-unix.c
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@ -1,5 +1,6 @@
#include <sys/socket.h>
#include <linux/netlink.h>
#include <linux/rtnetlink.h>
#include <unistd.h>
#include <netinet/tcp.h>
#include <sys/stat.h>

1
sockets.c
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@ -1,5 +1,6 @@
#include <sys/socket.h>
#include <linux/netlink.h>
#include <linux/rtnetlink.h>
#include <netinet/tcp.h>
#include "libnetlink.h"