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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/include/linux/rtnetlink.h | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
download | FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2 FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip |
Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/include/linux/rtnetlink.h')
-rw-r--r-- | ANDROID_3.4.5/include/linux/rtnetlink.h | 807 |
1 files changed, 0 insertions, 807 deletions
diff --git a/ANDROID_3.4.5/include/linux/rtnetlink.h b/ANDROID_3.4.5/include/linux/rtnetlink.h deleted file mode 100644 index 577592ea..00000000 --- a/ANDROID_3.4.5/include/linux/rtnetlink.h +++ /dev/null @@ -1,807 +0,0 @@ -#ifndef __LINUX_RTNETLINK_H -#define __LINUX_RTNETLINK_H - -#include <linux/types.h> -#include <linux/netlink.h> -#include <linux/if_link.h> -#include <linux/if_addr.h> -#include <linux/neighbour.h> - -/* rtnetlink families. Values up to 127 are reserved for real address - * families, values above 128 may be used arbitrarily. - */ -#define RTNL_FAMILY_IPMR 128 -#define RTNL_FAMILY_IP6MR 129 -#define RTNL_FAMILY_MAX 129 - -/**** - * Routing/neighbour discovery messages. - ****/ - -/* Types of messages */ - -enum { - RTM_BASE = 16, -#define RTM_BASE RTM_BASE - - RTM_NEWLINK = 16, -#define RTM_NEWLINK RTM_NEWLINK - RTM_DELLINK, -#define RTM_DELLINK RTM_DELLINK - RTM_GETLINK, -#define RTM_GETLINK RTM_GETLINK - RTM_SETLINK, -#define RTM_SETLINK RTM_SETLINK - - RTM_NEWADDR = 20, -#define RTM_NEWADDR RTM_NEWADDR - RTM_DELADDR, -#define RTM_DELADDR RTM_DELADDR - RTM_GETADDR, -#define RTM_GETADDR RTM_GETADDR - - RTM_NEWROUTE = 24, -#define RTM_NEWROUTE RTM_NEWROUTE - RTM_DELROUTE, -#define RTM_DELROUTE RTM_DELROUTE - RTM_GETROUTE, -#define RTM_GETROUTE RTM_GETROUTE - - RTM_NEWNEIGH = 28, -#define RTM_NEWNEIGH RTM_NEWNEIGH - RTM_DELNEIGH, -#define RTM_DELNEIGH RTM_DELNEIGH - RTM_GETNEIGH, -#define RTM_GETNEIGH RTM_GETNEIGH - - RTM_NEWRULE = 32, -#define RTM_NEWRULE RTM_NEWRULE - RTM_DELRULE, -#define RTM_DELRULE RTM_DELRULE - RTM_GETRULE, -#define RTM_GETRULE RTM_GETRULE - - RTM_NEWQDISC = 36, -#define RTM_NEWQDISC RTM_NEWQDISC - RTM_DELQDISC, -#define RTM_DELQDISC RTM_DELQDISC - RTM_GETQDISC, -#define RTM_GETQDISC RTM_GETQDISC - - RTM_NEWTCLASS = 40, -#define RTM_NEWTCLASS RTM_NEWTCLASS - RTM_DELTCLASS, -#define RTM_DELTCLASS RTM_DELTCLASS - RTM_GETTCLASS, -#define RTM_GETTCLASS RTM_GETTCLASS - - RTM_NEWTFILTER = 44, -#define RTM_NEWTFILTER RTM_NEWTFILTER - RTM_DELTFILTER, -#define RTM_DELTFILTER RTM_DELTFILTER - RTM_GETTFILTER, -#define RTM_GETTFILTER RTM_GETTFILTER - - RTM_NEWACTION = 48, -#define RTM_NEWACTION RTM_NEWACTION - RTM_DELACTION, -#define RTM_DELACTION RTM_DELACTION - RTM_GETACTION, -#define RTM_GETACTION RTM_GETACTION - - RTM_NEWPREFIX = 52, -#define RTM_NEWPREFIX RTM_NEWPREFIX - - RTM_GETMULTICAST = 58, -#define RTM_GETMULTICAST RTM_GETMULTICAST - - RTM_GETANYCAST = 62, -#define RTM_GETANYCAST RTM_GETANYCAST - - RTM_NEWNEIGHTBL = 64, -#define RTM_NEWNEIGHTBL RTM_NEWNEIGHTBL - RTM_GETNEIGHTBL = 66, -#define RTM_GETNEIGHTBL RTM_GETNEIGHTBL - RTM_SETNEIGHTBL, -#define RTM_SETNEIGHTBL RTM_SETNEIGHTBL - - RTM_NEWNDUSEROPT = 68, -#define RTM_NEWNDUSEROPT RTM_NEWNDUSEROPT - - RTM_NEWADDRLABEL = 72, -#define RTM_NEWADDRLABEL RTM_NEWADDRLABEL - RTM_DELADDRLABEL, -#define RTM_DELADDRLABEL RTM_DELADDRLABEL - RTM_GETADDRLABEL, -#define RTM_GETADDRLABEL RTM_GETADDRLABEL - - RTM_GETDCB = 78, -#define RTM_GETDCB RTM_GETDCB - RTM_SETDCB, -#define RTM_SETDCB RTM_SETDCB - - __RTM_MAX, -#define RTM_MAX (((__RTM_MAX + 3) & ~3) - 1) -}; - -#define RTM_NR_MSGTYPES (RTM_MAX + 1 - RTM_BASE) -#define RTM_NR_FAMILIES (RTM_NR_MSGTYPES >> 2) -#define RTM_FAM(cmd) (((cmd) - RTM_BASE) >> 2) - -/* - Generic structure for encapsulation of optional route information. - It is reminiscent of sockaddr, but with sa_family replaced - with attribute type. - */ - -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)) - - - - -/****************************************************************************** - * Definitions used in routing table administration. - ****/ - -struct rtmsg { - unsigned char rtm_family; - unsigned char rtm_dst_len; - unsigned char rtm_src_len; - unsigned char rtm_tos; - - unsigned char rtm_table; /* Routing table id */ - unsigned char rtm_protocol; /* Routing protocol; see below */ - unsigned char rtm_scope; /* See below */ - unsigned char rtm_type; /* See below */ - - unsigned rtm_flags; -}; - -/* rtm_type */ - -enum { - RTN_UNSPEC, - RTN_UNICAST, /* Gateway or direct route */ - RTN_LOCAL, /* Accept locally */ - RTN_BROADCAST, /* Accept locally as broadcast, - send as broadcast */ - RTN_ANYCAST, /* Accept locally as broadcast, - but send as unicast */ - RTN_MULTICAST, /* Multicast route */ - RTN_BLACKHOLE, /* Drop */ - RTN_UNREACHABLE, /* Destination is unreachable */ - RTN_PROHIBIT, /* Administratively prohibited */ - RTN_THROW, /* Not in this table */ - RTN_NAT, /* Translate this address */ - RTN_XRESOLVE, /* Use external resolver */ - __RTN_MAX -}; - -#define RTN_MAX (__RTN_MAX - 1) - - -/* rtm_protocol */ - -#define RTPROT_UNSPEC 0 -#define RTPROT_REDIRECT 1 /* Route installed by ICMP redirects; - not used by current IPv4 */ -#define RTPROT_KERNEL 2 /* Route installed by kernel */ -#define RTPROT_BOOT 3 /* Route installed during boot */ -#define RTPROT_STATIC 4 /* Route installed by administrator */ - -/* Values of protocol >= RTPROT_STATIC are not interpreted by kernel; - they are just passed from user and back as is. - It will be used by hypothetical multiple routing daemons. - Note that protocol values should be standardized in order to - avoid conflicts. - */ - -#define RTPROT_GATED 8 /* Apparently, GateD */ -#define RTPROT_RA 9 /* RDISC/ND router advertisements */ -#define RTPROT_MRT 10 /* Merit MRT */ -#define RTPROT_ZEBRA 11 /* Zebra */ -#define RTPROT_BIRD 12 /* BIRD */ -#define RTPROT_DNROUTED 13 /* DECnet routing daemon */ -#define RTPROT_XORP 14 /* XORP */ -#define RTPROT_NTK 15 /* Netsukuku */ -#define RTPROT_DHCP 16 /* DHCP client */ - -/* rtm_scope - - Really it is not scope, but sort of distance to the destination. - NOWHERE are reserved for not existing destinations, HOST is our - local addresses, LINK are destinations, located on directly attached - link and UNIVERSE is everywhere in the Universe. - - Intermediate values are also possible f.e. interior routes - could be assigned a value between UNIVERSE and LINK. -*/ - -enum rt_scope_t { - RT_SCOPE_UNIVERSE=0, -/* User defined values */ - RT_SCOPE_SITE=200, - RT_SCOPE_LINK=253, - RT_SCOPE_HOST=254, - RT_SCOPE_NOWHERE=255 -}; - -/* rtm_flags */ - -#define RTM_F_NOTIFY 0x100 /* Notify user of route change */ -#define RTM_F_CLONED 0x200 /* This route is cloned */ -#define RTM_F_EQUALIZE 0x400 /* Multipath equalizer: NI */ -#define RTM_F_PREFIX 0x800 /* Prefix addresses */ - -/* Reserved table identifiers */ - -enum rt_class_t { - RT_TABLE_UNSPEC=0, -/* User defined values */ - RT_TABLE_COMPAT=252, - RT_TABLE_DEFAULT=253, - RT_TABLE_MAIN=254, - RT_TABLE_LOCAL=255, - RT_TABLE_MAX=0xFFFFFFFF -}; - - -/* Routing message attributes */ - -enum rtattr_type_t { - RTA_UNSPEC, - RTA_DST, - RTA_SRC, - RTA_IIF, - RTA_OIF, - RTA_GATEWAY, - RTA_PRIORITY, - RTA_PREFSRC, - RTA_METRICS, - RTA_MULTIPATH, - RTA_PROTOINFO, /* no longer used */ - RTA_FLOW, - RTA_CACHEINFO, - RTA_SESSION, /* no longer used */ - RTA_MP_ALGO, /* no longer used */ - RTA_TABLE, - RTA_MARK, - __RTA_MAX -}; - -#define RTA_MAX (__RTA_MAX - 1) - -#define RTM_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct rtmsg)))) -#define RTM_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct rtmsg)) - -/* RTM_MULTIPATH --- array of struct rtnexthop. - * - * "struct rtnexthop" describes all necessary nexthop information, - * i.e. parameters of path to a destination via this nexthop. - * - * At the moment it is impossible to set different prefsrc, mtu, window - * and rtt for different paths from multipath. - */ - -struct rtnexthop { - unsigned short rtnh_len; - unsigned char rtnh_flags; - unsigned char rtnh_hops; - int rtnh_ifindex; -}; - -/* rtnh_flags */ - -#define RTNH_F_DEAD 1 /* Nexthop is dead (used by multipath) */ -#define RTNH_F_PERVASIVE 2 /* Do recursive gateway lookup */ -#define RTNH_F_ONLINK 4 /* Gateway is forced on link */ - -/* Macros to handle hexthops */ - -#define RTNH_ALIGNTO 4 -#define RTNH_ALIGN(len) ( ((len)+RTNH_ALIGNTO-1) & ~(RTNH_ALIGNTO-1) ) -#define RTNH_OK(rtnh,len) ((rtnh)->rtnh_len >= sizeof(struct rtnexthop) && \ - ((int)(rtnh)->rtnh_len) <= (len)) -#define RTNH_NEXT(rtnh) ((struct rtnexthop*)(((char*)(rtnh)) + RTNH_ALIGN((rtnh)->rtnh_len))) -#define RTNH_LENGTH(len) (RTNH_ALIGN(sizeof(struct rtnexthop)) + (len)) -#define RTNH_SPACE(len) RTNH_ALIGN(RTNH_LENGTH(len)) -#define RTNH_DATA(rtnh) ((struct rtattr*)(((char*)(rtnh)) + RTNH_LENGTH(0))) - -/* RTM_CACHEINFO */ - -struct rta_cacheinfo { - __u32 rta_clntref; - __u32 rta_lastuse; - __s32 rta_expires; - __u32 rta_error; - __u32 rta_used; - -#define RTNETLINK_HAVE_PEERINFO 1 - __u32 rta_id; - __u32 rta_ts; - __u32 rta_tsage; -}; - -/* RTM_METRICS --- array of struct rtattr with types of RTAX_* */ - -enum { - RTAX_UNSPEC, -#define RTAX_UNSPEC RTAX_UNSPEC - RTAX_LOCK, -#define RTAX_LOCK RTAX_LOCK - RTAX_MTU, -#define RTAX_MTU RTAX_MTU - RTAX_WINDOW, -#define RTAX_WINDOW RTAX_WINDOW - RTAX_RTT, -#define RTAX_RTT RTAX_RTT - RTAX_RTTVAR, -#define RTAX_RTTVAR RTAX_RTTVAR - RTAX_SSTHRESH, -#define RTAX_SSTHRESH RTAX_SSTHRESH - RTAX_CWND, -#define RTAX_CWND RTAX_CWND - RTAX_ADVMSS, -#define RTAX_ADVMSS RTAX_ADVMSS - RTAX_REORDERING, -#define RTAX_REORDERING RTAX_REORDERING - RTAX_HOPLIMIT, -#define RTAX_HOPLIMIT RTAX_HOPLIMIT - RTAX_INITCWND, -#define RTAX_INITCWND RTAX_INITCWND - RTAX_FEATURES, -#define RTAX_FEATURES RTAX_FEATURES - RTAX_RTO_MIN, -#define RTAX_RTO_MIN RTAX_RTO_MIN - RTAX_INITRWND, -#define RTAX_INITRWND RTAX_INITRWND - __RTAX_MAX -}; - -#define RTAX_MAX (__RTAX_MAX - 1) - -#define RTAX_FEATURE_ECN 0x00000001 -#define RTAX_FEATURE_SACK 0x00000002 -#define RTAX_FEATURE_TIMESTAMP 0x00000004 -#define RTAX_FEATURE_ALLFRAG 0x00000008 - -struct rta_session { - __u8 proto; - __u8 pad1; - __u16 pad2; - - union { - struct { - __u16 sport; - __u16 dport; - } ports; - - struct { - __u8 type; - __u8 code; - __u16 ident; - } icmpt; - - __u32 spi; - } u; -}; - -/**** - * General form of address family dependent message. - ****/ - -struct rtgenmsg { - unsigned char rtgen_family; -}; - -/***************************************************************** - * Link layer specific messages. - ****/ - -/* struct ifinfomsg - * passes link level specific information, not dependent - * on network protocol. - */ - -struct ifinfomsg { - unsigned char ifi_family; - unsigned char __ifi_pad; - unsigned short ifi_type; /* ARPHRD_* */ - int ifi_index; /* Link index */ - unsigned ifi_flags; /* IFF_* flags */ - unsigned ifi_change; /* IFF_* change mask */ -}; - -/******************************************************************** - * prefix information - ****/ - -struct prefixmsg { - unsigned char prefix_family; - unsigned char prefix_pad1; - unsigned short prefix_pad2; - int prefix_ifindex; - unsigned char prefix_type; - unsigned char prefix_len; - unsigned char prefix_flags; - unsigned char prefix_pad3; -}; - -enum -{ - PREFIX_UNSPEC, - PREFIX_ADDRESS, - PREFIX_CACHEINFO, - __PREFIX_MAX -}; - -#define PREFIX_MAX (__PREFIX_MAX - 1) - -struct prefix_cacheinfo { - __u32 preferred_time; - __u32 valid_time; -}; - - -/***************************************************************** - * Traffic control messages. - ****/ - -struct tcmsg { - unsigned char tcm_family; - unsigned char tcm__pad1; - unsigned short tcm__pad2; - int tcm_ifindex; - __u32 tcm_handle; - __u32 tcm_parent; - __u32 tcm_info; -}; - -enum { - TCA_UNSPEC, - TCA_KIND, - TCA_OPTIONS, - TCA_STATS, - TCA_XSTATS, - TCA_RATE, - TCA_FCNT, - TCA_STATS2, - TCA_STAB, - __TCA_MAX -}; - -#define TCA_MAX (__TCA_MAX - 1) - -#define TCA_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct tcmsg)))) -#define TCA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct tcmsg)) - -/******************************************************************** - * Neighbor Discovery userland options - ****/ - -struct nduseroptmsg { - unsigned char nduseropt_family; - unsigned char nduseropt_pad1; - unsigned short nduseropt_opts_len; /* Total length of options */ - int nduseropt_ifindex; - __u8 nduseropt_icmp_type; - __u8 nduseropt_icmp_code; - unsigned short nduseropt_pad2; - unsigned int nduseropt_pad3; - /* Followed by one or more ND options */ -}; - -enum { - NDUSEROPT_UNSPEC, - NDUSEROPT_SRCADDR, - __NDUSEROPT_MAX -}; - -#define NDUSEROPT_MAX (__NDUSEROPT_MAX - 1) - -#ifndef __KERNEL__ -/* RTnetlink multicast groups - backwards compatibility for userspace */ -#define RTMGRP_LINK 1 -#define RTMGRP_NOTIFY 2 -#define RTMGRP_NEIGH 4 -#define RTMGRP_TC 8 - -#define RTMGRP_IPV4_IFADDR 0x10 -#define RTMGRP_IPV4_MROUTE 0x20 -#define RTMGRP_IPV4_ROUTE 0x40 -#define RTMGRP_IPV4_RULE 0x80 - -#define RTMGRP_IPV6_IFADDR 0x100 -#define RTMGRP_IPV6_MROUTE 0x200 -#define RTMGRP_IPV6_ROUTE 0x400 -#define RTMGRP_IPV6_IFINFO 0x800 - -#define RTMGRP_DECnet_IFADDR 0x1000 -#define RTMGRP_DECnet_ROUTE 0x4000 - -#define RTMGRP_IPV6_PREFIX 0x20000 -#endif - -/* RTnetlink multicast groups */ -enum rtnetlink_groups { - RTNLGRP_NONE, -#define RTNLGRP_NONE RTNLGRP_NONE - RTNLGRP_LINK, -#define RTNLGRP_LINK RTNLGRP_LINK - RTNLGRP_NOTIFY, -#define RTNLGRP_NOTIFY RTNLGRP_NOTIFY - RTNLGRP_NEIGH, -#define RTNLGRP_NEIGH RTNLGRP_NEIGH - RTNLGRP_TC, -#define RTNLGRP_TC RTNLGRP_TC - RTNLGRP_IPV4_IFADDR, -#define RTNLGRP_IPV4_IFADDR RTNLGRP_IPV4_IFADDR - RTNLGRP_IPV4_MROUTE, -#define RTNLGRP_IPV4_MROUTE RTNLGRP_IPV4_MROUTE - RTNLGRP_IPV4_ROUTE, -#define RTNLGRP_IPV4_ROUTE RTNLGRP_IPV4_ROUTE - RTNLGRP_IPV4_RULE, -#define RTNLGRP_IPV4_RULE RTNLGRP_IPV4_RULE - RTNLGRP_IPV6_IFADDR, -#define RTNLGRP_IPV6_IFADDR RTNLGRP_IPV6_IFADDR - RTNLGRP_IPV6_MROUTE, -#define RTNLGRP_IPV6_MROUTE RTNLGRP_IPV6_MROUTE - RTNLGRP_IPV6_ROUTE, -#define RTNLGRP_IPV6_ROUTE RTNLGRP_IPV6_ROUTE - RTNLGRP_IPV6_IFINFO, -#define RTNLGRP_IPV6_IFINFO RTNLGRP_IPV6_IFINFO - RTNLGRP_DECnet_IFADDR, -#define RTNLGRP_DECnet_IFADDR RTNLGRP_DECnet_IFADDR - RTNLGRP_NOP2, - RTNLGRP_DECnet_ROUTE, -#define RTNLGRP_DECnet_ROUTE RTNLGRP_DECnet_ROUTE - RTNLGRP_DECnet_RULE, -#define RTNLGRP_DECnet_RULE RTNLGRP_DECnet_RULE - RTNLGRP_NOP4, - RTNLGRP_IPV6_PREFIX, -#define RTNLGRP_IPV6_PREFIX RTNLGRP_IPV6_PREFIX - RTNLGRP_IPV6_RULE, -#define RTNLGRP_IPV6_RULE RTNLGRP_IPV6_RULE - RTNLGRP_ND_USEROPT, -#define RTNLGRP_ND_USEROPT RTNLGRP_ND_USEROPT - RTNLGRP_PHONET_IFADDR, -#define RTNLGRP_PHONET_IFADDR RTNLGRP_PHONET_IFADDR - RTNLGRP_PHONET_ROUTE, -#define RTNLGRP_PHONET_ROUTE RTNLGRP_PHONET_ROUTE - RTNLGRP_DCB, -#define RTNLGRP_DCB RTNLGRP_DCB - __RTNLGRP_MAX -}; -#define RTNLGRP_MAX (__RTNLGRP_MAX - 1) - -/* TC action piece */ -struct tcamsg { - unsigned char tca_family; - unsigned char tca__pad1; - unsigned short tca__pad2; -}; -#define TA_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct tcamsg)))) -#define TA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct tcamsg)) -#define TCA_ACT_TAB 1 /* attr type must be >=1 */ -#define TCAA_MAX 1 - -/* New extended info filters for IFLA_EXT_MASK */ -#define RTEXT_FILTER_VF (1 << 0) - -/* End of information exported to user level */ - -#ifdef __KERNEL__ - -#include <linux/mutex.h> -#include <linux/netdevice.h> - -static __inline__ int rtattr_strcmp(const struct rtattr *rta, const char *str) -{ - int len = strlen(str) + 1; - return len > rta->rta_len || memcmp(RTA_DATA(rta), str, len); -} - -extern int rtnetlink_send(struct sk_buff *skb, struct net *net, u32 pid, u32 group, int echo); -extern int rtnl_unicast(struct sk_buff *skb, struct net *net, u32 pid); -extern void rtnl_notify(struct sk_buff *skb, struct net *net, u32 pid, - u32 group, struct nlmsghdr *nlh, gfp_t flags); -extern void rtnl_set_sk_err(struct net *net, u32 group, int error); -extern int rtnetlink_put_metrics(struct sk_buff *skb, u32 *metrics); -extern int rtnl_put_cacheinfo(struct sk_buff *skb, struct dst_entry *dst, - u32 id, u32 ts, u32 tsage, long expires, - u32 error); - -extern void __rta_fill(struct sk_buff *skb, int attrtype, int attrlen, const void *data); - -#define RTA_PUT(skb, attrtype, attrlen, data) \ -({ if (unlikely(skb_tailroom(skb) < (int)RTA_SPACE(attrlen))) \ - goto rtattr_failure; \ - __rta_fill(skb, attrtype, attrlen, data); }) - -#define RTA_APPEND(skb, attrlen, data) \ -({ if (unlikely(skb_tailroom(skb) < (int)(attrlen))) \ - goto rtattr_failure; \ - memcpy(skb_put(skb, attrlen), data, attrlen); }) - -#define RTA_PUT_NOHDR(skb, attrlen, data) \ -({ RTA_APPEND(skb, RTA_ALIGN(attrlen), data); \ - memset(skb_tail_pointer(skb) - (RTA_ALIGN(attrlen) - attrlen), 0, \ - RTA_ALIGN(attrlen) - attrlen); }) - -#define RTA_PUT_U8(skb, attrtype, value) \ -({ u8 _tmp = (value); \ - RTA_PUT(skb, attrtype, sizeof(u8), &_tmp); }) - -#define RTA_PUT_U16(skb, attrtype, value) \ -({ u16 _tmp = (value); \ - RTA_PUT(skb, attrtype, sizeof(u16), &_tmp); }) - -#define RTA_PUT_U32(skb, attrtype, value) \ -({ u32 _tmp = (value); \ - RTA_PUT(skb, attrtype, sizeof(u32), &_tmp); }) - -#define RTA_PUT_U64(skb, attrtype, value) \ -({ u64 _tmp = (value); \ - RTA_PUT(skb, attrtype, sizeof(u64), &_tmp); }) - -#define RTA_PUT_SECS(skb, attrtype, value) \ - RTA_PUT_U64(skb, attrtype, (value) / HZ) - -#define RTA_PUT_MSECS(skb, attrtype, value) \ - RTA_PUT_U64(skb, attrtype, jiffies_to_msecs(value)) - -#define RTA_PUT_STRING(skb, attrtype, value) \ - RTA_PUT(skb, attrtype, strlen(value) + 1, value) - -#define RTA_PUT_FLAG(skb, attrtype) \ - RTA_PUT(skb, attrtype, 0, NULL); - -#define RTA_NEST(skb, type) \ -({ struct rtattr *__start = (struct rtattr *)skb_tail_pointer(skb); \ - RTA_PUT(skb, type, 0, NULL); \ - __start; }) - -#define RTA_NEST_END(skb, start) \ -({ (start)->rta_len = skb_tail_pointer(skb) - (unsigned char *)(start); \ - (skb)->len; }) - -#define RTA_NEST_COMPAT(skb, type, attrlen, data) \ -({ struct rtattr *__start = (struct rtattr *)skb_tail_pointer(skb); \ - RTA_PUT(skb, type, attrlen, data); \ - RTA_NEST(skb, type); \ - __start; }) - -#define RTA_NEST_COMPAT_END(skb, start) \ -({ struct rtattr *__nest = (void *)(start) + NLMSG_ALIGN((start)->rta_len); \ - (start)->rta_len = skb_tail_pointer(skb) - (unsigned char *)(start); \ - RTA_NEST_END(skb, __nest); \ - (skb)->len; }) - -#define RTA_NEST_CANCEL(skb, start) \ -({ if (start) \ - skb_trim(skb, (unsigned char *) (start) - (skb)->data); \ - -1; }) - -#define RTA_GET_U8(rta) \ -({ if (!rta || RTA_PAYLOAD(rta) < sizeof(u8)) \ - goto rtattr_failure; \ - *(u8 *) RTA_DATA(rta); }) - -#define RTA_GET_U16(rta) \ -({ if (!rta || RTA_PAYLOAD(rta) < sizeof(u16)) \ - goto rtattr_failure; \ - *(u16 *) RTA_DATA(rta); }) - -#define RTA_GET_U32(rta) \ -({ if (!rta || RTA_PAYLOAD(rta) < sizeof(u32)) \ - goto rtattr_failure; \ - *(u32 *) RTA_DATA(rta); }) - -#define RTA_GET_U64(rta) \ -({ u64 _tmp; \ - if (!rta || RTA_PAYLOAD(rta) < sizeof(u64)) \ - goto rtattr_failure; \ - memcpy(&_tmp, RTA_DATA(rta), sizeof(_tmp)); \ - _tmp; }) - -#define RTA_GET_FLAG(rta) (!!(rta)) - -#define RTA_GET_SECS(rta) ((unsigned long) RTA_GET_U64(rta) * HZ) -#define RTA_GET_MSECS(rta) (msecs_to_jiffies((unsigned long) RTA_GET_U64(rta))) - -static inline struct rtattr * -__rta_reserve(struct sk_buff *skb, int attrtype, int attrlen) -{ - struct rtattr *rta; - int size = RTA_LENGTH(attrlen); - - rta = (struct rtattr*)skb_put(skb, RTA_ALIGN(size)); - rta->rta_type = attrtype; - rta->rta_len = size; - memset(RTA_DATA(rta) + attrlen, 0, RTA_ALIGN(size) - size); - return rta; -} - -#define __RTA_PUT(skb, attrtype, attrlen) \ -({ if (unlikely(skb_tailroom(skb) < (int)RTA_SPACE(attrlen))) \ - goto rtattr_failure; \ - __rta_reserve(skb, attrtype, attrlen); }) - -extern void rtmsg_ifinfo(int type, struct net_device *dev, unsigned change); - -/* RTNL is used as a global lock for all changes to network configuration */ -extern void rtnl_lock(void); -extern void rtnl_unlock(void); -extern int rtnl_trylock(void); -extern int rtnl_is_locked(void); -#ifdef CONFIG_PROVE_LOCKING -extern int lockdep_rtnl_is_held(void); -#endif /* #ifdef CONFIG_PROVE_LOCKING */ - -/** - * rcu_dereference_rtnl - rcu_dereference with debug checking - * @p: The pointer to read, prior to dereferencing - * - * Do an rcu_dereference(p), but check caller either holds rcu_read_lock() - * or RTNL. Note : Please prefer rtnl_dereference() or rcu_dereference() - */ -#define rcu_dereference_rtnl(p) \ - rcu_dereference_check(p, lockdep_rtnl_is_held()) - -/** - * rtnl_dereference - fetch RCU pointer when updates are prevented by RTNL - * @p: The pointer to read, prior to dereferencing - * - * Return the value of the specified RCU-protected pointer, but omit - * both the smp_read_barrier_depends() and the ACCESS_ONCE(), because - * caller holds RTNL. - */ -#define rtnl_dereference(p) \ - rcu_dereference_protected(p, lockdep_rtnl_is_held()) - -static inline struct netdev_queue *dev_ingress_queue(struct net_device *dev) -{ - return rtnl_dereference(dev->ingress_queue); -} - -extern struct netdev_queue *dev_ingress_queue_create(struct net_device *dev); - -extern void rtnetlink_init(void); -extern void __rtnl_unlock(void); - -#define ASSERT_RTNL() do { \ - if (unlikely(!rtnl_is_locked())) { \ - printk(KERN_ERR "RTNL: assertion failed at %s (%d)\n", \ - __FILE__, __LINE__); \ - dump_stack(); \ - } \ -} while(0) - -static inline u32 rtm_get_table(struct rtattr **rta, u8 table) -{ - return RTA_GET_U32(rta[RTA_TABLE-1]); -rtattr_failure: - return table; -} - -#endif /* __KERNEL__ */ - - -#endif /* __LINUX_RTNETLINK_H */ |