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72 lines
1.5 KiB
C
72 lines
1.5 KiB
C
#ifndef PRIV_NETLINK_H
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#define PRIV_NETLINK_H
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/* Private copy of needed Linux netlink/rtnetlink definitions.
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*
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* This should be replaced with user space header once one is available with C
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* library, etc..
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*/
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#ifndef IFLA_IFNAME
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#define IFLA_IFNAME 3
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#endif
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#ifndef IFLA_WIRELESS
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#define IFLA_WIRELESS 11
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#endif
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#define NETLINK_ROUTE 0
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#define RTMGRP_LINK 1
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#define RTM_BASE 0x10
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#define RTM_NEWLINK (RTM_BASE + 0)
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#define RTM_DELLINK (RTM_BASE + 1)
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#define NLMSG_ALIGNTO 4
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#define NLMSG_ALIGN(len) (((len) + NLMSG_ALIGNTO - 1) & ~(NLMSG_ALIGNTO - 1))
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#define NLMSG_LENGTH(len) ((len) + NLMSG_ALIGN(sizeof(struct nlmsghdr)))
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#define NLMSG_DATA(nlh) ((void*) (((char*) nlh) + NLMSG_LENGTH(0)))
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#define RTA_ALIGNTO 4
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#define RTA_ALIGN(len) (((len) + RTA_ALIGNTO - 1) & ~(RTA_ALIGNTO - 1))
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#define RTA_OK(rta,len) \
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((len) > 0 && (rta)->rta_len >= sizeof(struct rtattr) && \
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(rta)->rta_len <= (len))
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#define RTA_NEXT(rta,attrlen) \
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((attrlen) -= RTA_ALIGN((rta)->rta_len), \
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(struct rtattr *) (((char *)(rta)) + RTA_ALIGN((rta)->rta_len)))
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struct sockaddr_nl
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{
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sa_family_t nl_family;
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unsigned short nl_pad;
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u32 nl_pid;
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u32 nl_groups;
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};
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struct nlmsghdr
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{
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u32 nlmsg_len;
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u16 nlmsg_type;
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u16 nlmsg_flags;
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u32 nlmsg_seq;
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u32 nlmsg_pid;
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};
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struct ifinfomsg
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{
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unsigned char ifi_family;
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unsigned char __ifi_pad;
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unsigned short ifi_type;
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int ifi_index;
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unsigned ifi_flags;
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unsigned ifi_change;
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};
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struct rtattr
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{
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unsigned short rta_len;
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unsigned short rta_type;
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};
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#endif /* PRIV_NETLINK_H */
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