*
* Version: @(#)ip.h 1.0.2 05/07/93
*
- * Authors: Ross Biro, <bir7@leland.Stanford.Edu>
+ * Authors: Ross Biro
* Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
* Alan Cox, <gw4pts@gw4pts.ampr.org>
*
#ifndef _IP_H
#define _IP_H
-#include <linux/config.h>
#include <linux/types.h>
-#include <linux/socket.h>
#include <linux/ip.h>
#include <linux/in.h>
-#include <linux/netdevice.h>
-#include <linux/inetdevice.h>
-#include <linux/in_route.h>
-#include <net/route.h>
-#include <net/arp.h>
-#ifndef _SNMP_H
+#include <net/inet_sock.h>
#include <net/snmp.h>
-#endif
-#include <net/sock.h> /* struct sock */
+struct sock;
struct inet_skb_parm
{
struct ip_options opt; /* Compiled IP options */
unsigned char flags;
-#define IPSKB_MASQUERADED 1
-#define IPSKB_TRANSLATED 2
-#define IPSKB_FORWARDED 4
-#define IPSKB_XFRM_TUNNEL_SIZE 8
+#define IPSKB_FORWARDED 1
+#define IPSKB_XFRM_TUNNEL_SIZE 2
+#define IPSKB_XFRM_TRANSFORMED 4
+#define IPSKB_FRAG_COMPLETE 8
+#define IPSKB_REROUTED 16
};
struct ipcm_cookie
{
- u32 addr;
+ __be32 addr;
int oif;
struct ip_options *opt;
};
#define IP_FRAG_TIME (30 * HZ) /* fragment lifetime */
+struct msghdr;
+struct net_device;
+struct packet_type;
+struct rtable;
+struct sk_buff;
+struct sockaddr;
+
extern void ip_mc_dropsocket(struct sock *);
extern void ip_mc_dropdevice(struct net_device *dev);
extern int igmp_mc_proc_init(void);
*/
extern int ip_build_and_send_pkt(struct sk_buff *skb, struct sock *sk,
- u32 saddr, u32 daddr,
+ __be32 saddr, __be32 daddr,
struct ip_options *opt);
extern int ip_rcv(struct sk_buff *skb, struct net_device *dev,
- struct packet_type *pt);
+ struct packet_type *pt, struct net_device *orig_dev);
extern int ip_local_deliver(struct sk_buff *skb);
extern int ip_mr_input(struct sk_buff *skb);
-extern int ip_output(struct sk_buff **pskb);
-extern int ip_mc_output(struct sk_buff **pskb);
-extern int ip_fragment(struct sk_buff *skb, int (*out)(struct sk_buff*));
+extern int ip_output(struct sk_buff *skb);
+extern int ip_mc_output(struct sk_buff *skb);
+extern int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *));
extern int ip_do_nat(struct sk_buff *skb);
extern void ip_send_check(struct iphdr *ip);
extern int ip_queue_xmit(struct sk_buff *skb, int ipfragok);
extern int ip_push_pending_frames(struct sock *sk);
extern void ip_flush_pending_frames(struct sock *sk);
+/* datagram.c */
+extern int ip4_datagram_connect(struct sock *sk,
+ struct sockaddr *uaddr, int addr_len);
/*
* Map a multicast IP onto multicast MAC for type Token Ring.
* multicast packets.
*/
-static inline void ip_tr_mc_map(u32 addr, char *buf)
+static inline void ip_tr_mc_map(__be32 addr, char *buf)
{
buf[0]=0xC0;
buf[1]=0x00;
}
struct ip_reply_arg {
- struct iovec iov[1];
- u32 csum;
- int csumoffset; /* u16 offset of csum in iov[0].iov_base */
- /* -1 if not needed */
+ struct kvec iov[1];
+ __wsum csum;
+ int csumoffset; /* u16 offset of csum in iov[0].iov_base */
+ /* -1 if not needed */
};
void ip_send_reply(struct sock *sk, struct sk_buff *skb, struct ip_reply_arg *arg,
unsigned int len);
-extern int ip_finish_output(struct sk_buff *skb);
-
struct ipv4_config
{
int log_martians;
- int autoconfig;
int no_pmtu_disc;
};
extern int sysctl_local_port_range[2];
extern int sysctl_ip_default_ttl;
+extern int sysctl_ip_nonlocal_bind;
+
+/* From ip_fragment.c */
+extern int sysctl_ipfrag_high_thresh;
+extern int sysctl_ipfrag_low_thresh;
+extern int sysctl_ipfrag_time;
+extern int sysctl_ipfrag_secret_interval;
+extern int sysctl_ipfrag_max_dist;
+
+/* From inetpeer.c */
+extern int inet_peer_threshold;
+extern int inet_peer_minttl;
+extern int inet_peer_maxttl;
+extern int inet_peer_gc_mintime;
+extern int inet_peer_gc_maxtime;
+
+/* From ip_output.c */
+extern int sysctl_ip_dynaddr;
+
+extern void ipfrag_init(void);
#ifdef CONFIG_INET
+#include <net/dst.h>
+
/* The function in 2.2 was invalid, producing wrong result for
* check=0xFEFF. It was noticed by Arthur Skawina _year_ ago. --ANK(000625) */
static inline
int ip_decrease_ttl(struct iphdr *iph)
{
- u32 check = iph->check;
- check += htons(0x0100);
- iph->check = check + (check>=0xFFFF);
+ u32 check = (__force u32)iph->check;
+ check += (__force u32)htons(0x0100);
+ iph->check = (__force __sum16)(check + (check>=0xFFFF));
return --iph->ttl;
}
* Map a multicast IP onto multicast MAC for type ethernet.
*/
-static inline void ip_eth_mc_map(u32 addr, char *buf)
+static inline void ip_eth_mc_map(__be32 naddr, char *buf)
{
- addr=ntohl(addr);
+ __u32 addr=ntohl(naddr);
buf[0]=0x01;
buf[1]=0x00;
buf[2]=0x5e;
buf[3]=addr&0x7F;
}
+/*
+ * Map a multicast IP onto multicast MAC for type IP-over-InfiniBand.
+ * Leave P_Key as 0 to be filled in by driver.
+ */
+
+static inline void ip_ib_mc_map(__be32 naddr, char *buf)
+{
+ __u32 addr;
+ buf[0] = 0; /* Reserved */
+ buf[1] = 0xff; /* Multicast QPN */
+ buf[2] = 0xff;
+ buf[3] = 0xff;
+ addr = ntohl(naddr);
+ buf[4] = 0xff;
+ buf[5] = 0x12; /* link local scope */
+ buf[6] = 0x40; /* IPv4 signature */
+ buf[7] = 0x1b;
+ buf[8] = 0; /* P_Key */
+ buf[9] = 0;
+ buf[10] = 0;
+ buf[11] = 0;
+ buf[12] = 0;
+ buf[13] = 0;
+ buf[14] = 0;
+ buf[15] = 0;
+ buf[19] = addr & 0xff;
+ addr >>= 8;
+ buf[18] = addr & 0xff;
+ addr >>= 8;
+ buf[17] = addr & 0xff;
+ addr >>= 8;
+ buf[16] = addr & 0x0f;
+}
+
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
#include <linux/ipv6.h>
#endif
/*
* Functions provided by ip_fragment.o
*/
-
-struct sk_buff *ip_defrag(struct sk_buff *skb);
+
+enum ip_defrag_users
+{
+ IP_DEFRAG_LOCAL_DELIVER,
+ IP_DEFRAG_CALL_RA_CHAIN,
+ IP_DEFRAG_CONNTRACK_IN,
+ IP_DEFRAG_CONNTRACK_OUT,
+ IP_DEFRAG_VS_IN,
+ IP_DEFRAG_VS_OUT,
+ IP_DEFRAG_VS_FWD
+};
+
+struct sk_buff *ip_defrag(struct sk_buff *skb, u32 user);
extern int ip_frag_nqueues;
extern atomic_t ip_frag_mem;
* Functions provided by ip_options.c
*/
-extern void ip_options_build(struct sk_buff *skb, struct ip_options *opt, u32 daddr, struct rtable *rt, int is_frag);
+extern void ip_options_build(struct sk_buff *skb, struct ip_options *opt, __be32 daddr, struct rtable *rt, int is_frag);
extern int ip_options_echo(struct ip_options *dopt, struct sk_buff *skb);
extern void ip_options_fragment(struct sk_buff *skb);
extern int ip_options_compile(struct ip_options *opt, struct sk_buff *skb);
-extern int ip_options_get(struct ip_options **optp, unsigned char *data, int optlen, int user);
+extern int ip_options_get(struct ip_options **optp,
+ unsigned char *data, int optlen);
+extern int ip_options_get_from_user(struct ip_options **optp,
+ unsigned char __user *data, int optlen);
extern void ip_options_undo(struct ip_options * opt);
extern void ip_forward_options(struct sk_buff *skb);
extern int ip_options_rcv_srr(struct sk_buff *skb);
extern int ip_cmsg_send(struct msghdr *msg, struct ipcm_cookie *ipc);
extern int ip_setsockopt(struct sock *sk, int level, int optname, char __user *optval, int optlen);
extern int ip_getsockopt(struct sock *sk, int level, int optname, char __user *optval, int __user *optlen);
+extern int compat_ip_setsockopt(struct sock *sk, int level,
+ int optname, char __user *optval, int optlen);
+extern int compat_ip_getsockopt(struct sock *sk, int level,
+ int optname, char __user *optval, int __user *optlen);
extern int ip_ra_control(struct sock *sk, unsigned char on, void (*destructor)(struct sock *));
extern int ip_recv_error(struct sock *sk, struct msghdr *msg, int len);
extern void ip_icmp_error(struct sock *sk, struct sk_buff *skb, int err,
- u16 port, u32 info, u8 *payload);
-extern void ip_local_error(struct sock *sk, int err, u32 daddr, u16 dport,
+ __be16 port, u32 info, u8 *payload);
+extern void ip_local_error(struct sock *sk, int err, __be32 daddr, __be16 dport,
u32 info);
-extern int ipv4_proc_init(void);
-
/* sysctl helpers - any sysctl which holds a value that ends up being
* fed into the routing cache should use these handlers.
*/
int ipv4_doint_and_flush(ctl_table *ctl, int write,
struct file* filp, void __user *buffer,
- size_t *lenp);
+ size_t *lenp, loff_t *ppos);
int ipv4_doint_and_flush_strategy(ctl_table *table, int __user *name, int nlen,
void __user *oldval, size_t __user *oldlenp,
- void __user *newval, size_t newlen,
- void **context);
+ void __user *newval, size_t newlen);
+#ifdef CONFIG_PROC_FS
+extern int ip_misc_proc_init(void);
+#endif
+
+extern struct ctl_table ipv4_table[];
#endif /* _IP_H */
git://git.onelab.eu / linux-2.6.git / blobdiff