#ifndef __LINUX_NETLINK_H
#define __LINUX_NETLINK_H
-#include <linux/socket.h> /* for sa_family_t */
+#include <linux/socket.h> /* for __kernel_sa_family_t */
#include <linux/types.h>
#define NETLINK_ROUTE 0 /* Routing/device hook */
#define NETLINK_UNUSED 1 /* Unused number */
#define NETLINK_USERSOCK 2 /* Reserved for user mode socket protocols */
-#define NETLINK_FIREWALL 3 /* Firewalling hook */
-#define NETLINK_INET_DIAG 4 /* INET socket monitoring */
+#define NETLINK_FIREWALL 3 /* Unused number, formerly ip_queue */
+#define NETLINK_SOCK_DIAG 4 /* socket monitoring */
#define NETLINK_NFLOG 5 /* netfilter/iptables ULOG */
#define NETLINK_XFRM 6 /* ipsec */
#define NETLINK_SELINUX 7 /* SELinux event notifications */
/* leave room for NETLINK_DM (DM Events) */
#define NETLINK_SCSITRANSPORT 18 /* SCSI Transports */
#define NETLINK_ECRYPTFS 19
+#define NETLINK_RDMA 20
+#define NETLINK_CRYPTO 21 /* Crypto layer */
-#define MAX_LINKS 32
+#define NETLINK_INET_DIAG NETLINK_SOCK_DIAG
-struct net;
+#define MAX_LINKS 32
-struct sockaddr_nl
-{
- sa_family_t nl_family; /* AF_NETLINK */
+struct sockaddr_nl {
+ __kernel_sa_family_t nl_family; /* AF_NETLINK */
unsigned short nl_pad; /* zero */
__u32 nl_pid; /* port ID */
__u32 nl_groups; /* multicast groups mask */
};
-struct nlmsghdr
-{
+struct nlmsghdr {
__u32 nlmsg_len; /* Length of message including header */
__u16 nlmsg_type; /* Message content */
__u16 nlmsg_flags; /* Additional flags */
#define NLM_F_MULTI 2 /* Multipart message, terminated by NLMSG_DONE */
#define NLM_F_ACK 4 /* Reply with ack, with zero or error code */
#define NLM_F_ECHO 8 /* Echo this request */
+#define NLM_F_DUMP_INTR 16 /* Dump was inconsistent due to sequence change */
/* Modifiers to GET request */
#define NLM_F_ROOT 0x100 /* specify tree root */
Check NLM_F_EXCL
*/
-#define NLMSG_ALIGNTO 4
+#define NLMSG_ALIGNTO 4U
#define NLMSG_ALIGN(len) ( ((len)+NLMSG_ALIGNTO-1) & ~(NLMSG_ALIGNTO-1) )
#define NLMSG_HDRLEN ((int) NLMSG_ALIGN(sizeof(struct nlmsghdr)))
#define NLMSG_LENGTH(len) ((len)+NLMSG_ALIGN(NLMSG_HDRLEN))
#define NLMSG_MIN_TYPE 0x10 /* < 0x10: reserved control messages */
-struct nlmsgerr
-{
+struct nlmsgerr {
int error;
struct nlmsghdr msg;
};
#define NETLINK_BROADCAST_ERROR 4
#define NETLINK_NO_ENOBUFS 5
-struct nl_pktinfo
-{
+struct nl_pktinfo {
__u32 group;
};
* <-------------- nlattr->nla_len -------------->
*/
-struct nlattr
-{
+struct nlattr {
__u16 nla_len;
__u16 nla_type;
};
#define NLA_ALIGN(len) (((len) + NLA_ALIGNTO - 1) & ~(NLA_ALIGNTO - 1))
#define NLA_HDRLEN ((int) NLA_ALIGN(sizeof(struct nlattr)))
-#ifdef __KERNEL__
-
-#include <linux/capability.h>
-#include <linux/skbuff.h>
-
-static inline struct nlmsghdr *nlmsg_hdr(const struct sk_buff *skb)
-{
- return (struct nlmsghdr *)skb->data;
-}
-
-struct netlink_skb_parms
-{
- struct ucred creds; /* Skb credentials */
- __u32 pid;
- __u32 dst_group;
- kernel_cap_t eff_cap;
- __u32 loginuid; /* Login (audit) uid */
- __u32 sessionid; /* Session id (audit) */
- __u32 sid; /* SELinux security id */
-};
-
-#define NETLINK_CB(skb) (*(struct netlink_skb_parms*)&((skb)->cb))
-#define NETLINK_CREDS(skb) (&NETLINK_CB((skb)).creds)
-
-
-extern struct sock *netlink_kernel_create(struct net *net,
- int unit,unsigned int groups,
- void (*input)(struct sk_buff *skb),
- struct mutex *cb_mutex,
- struct module *module);
-extern void netlink_kernel_release(struct sock *sk);
-extern int netlink_change_ngroups(struct sock *sk, unsigned int groups);
-extern void netlink_clear_multicast_users(struct sock *sk, unsigned int group);
-extern void netlink_ack(struct sk_buff *in_skb, struct nlmsghdr *nlh, int err);
-extern int netlink_has_listeners(struct sock *sk, unsigned int group);
-extern int netlink_unicast(struct sock *ssk, struct sk_buff *skb, __u32 pid, int nonblock);
-extern int netlink_broadcast(struct sock *ssk, struct sk_buff *skb, __u32 pid,
- __u32 group, gfp_t allocation);
-extern void netlink_set_err(struct sock *ssk, __u32 pid, __u32 group, int code);
-extern int netlink_register_notifier(struct notifier_block *nb);
-extern int netlink_unregister_notifier(struct notifier_block *nb);
-
-/* finegrained unicast helpers: */
-struct sock *netlink_getsockbyfilp(struct file *filp);
-int netlink_attachskb(struct sock *sk, struct sk_buff *skb,
- long *timeo, struct sock *ssk);
-void netlink_detachskb(struct sock *sk, struct sk_buff *skb);
-int netlink_sendskb(struct sock *sk, struct sk_buff *skb);
-
-/*
- * skb should fit one page. This choice is good for headerless malloc.
- * But we should limit to 8K so that userspace does not have to
- * use enormous buffer sizes on recvmsg() calls just to avoid
- * MSG_TRUNC when PAGE_SIZE is very large.
- */
-#if PAGE_SIZE < 8192UL
-#define NLMSG_GOODSIZE SKB_WITH_OVERHEAD(PAGE_SIZE)
-#else
-#define NLMSG_GOODSIZE SKB_WITH_OVERHEAD(8192UL)
-#endif
-
-#define NLMSG_DEFAULT_SIZE (NLMSG_GOODSIZE - NLMSG_HDRLEN)
-
-
-struct netlink_callback
-{
- struct sk_buff *skb;
- struct nlmsghdr *nlh;
- int (*dump)(struct sk_buff * skb, struct netlink_callback *cb);
- int (*done)(struct netlink_callback *cb);
- int family;
- long args[6];
-};
-
-struct netlink_notify
-{
- struct net *net;
- int pid;
- int protocol;
-};
-
-static __inline__ struct nlmsghdr *
-__nlmsg_put(struct sk_buff *skb, u32 pid, u32 seq, int type, int len, int flags)
-{
- struct nlmsghdr *nlh;
- int size = NLMSG_LENGTH(len);
-
- nlh = (struct nlmsghdr*)skb_put(skb, NLMSG_ALIGN(size));
- nlh->nlmsg_type = type;
- nlh->nlmsg_len = size;
- nlh->nlmsg_flags = flags;
- nlh->nlmsg_pid = pid;
- nlh->nlmsg_seq = seq;
- if (!__builtin_constant_p(size) || NLMSG_ALIGN(size) - size != 0)
- memset(NLMSG_DATA(nlh) + len, 0, NLMSG_ALIGN(size) - size);
- return nlh;
-}
-
-#define NLMSG_NEW(skb, pid, seq, type, len, flags) \
-({ if (unlikely(skb_tailroom(skb) < (int)NLMSG_SPACE(len))) \
- goto nlmsg_failure; \
- __nlmsg_put(skb, pid, seq, type, len, flags); })
-
-#define NLMSG_PUT(skb, pid, seq, type, len) \
- NLMSG_NEW(skb, pid, seq, type, len, 0)
-
-extern int netlink_dump_start(struct sock *ssk, struct sk_buff *skb,
- struct nlmsghdr *nlh,
- int (*dump)(struct sk_buff *skb, struct netlink_callback*),
- int (*done)(struct netlink_callback*));
-
-
-#define NL_NONROOT_RECV 0x1
-#define NL_NONROOT_SEND 0x2
-extern void netlink_set_nonroot(int protocol, unsigned flag);
-
-#endif /* __KERNEL__ */
#endif /* __LINUX_NETLINK_H */
projects / lisovros / iproute2_canprio.git / blobdiff