patch-2.1.15 linux/include/net/netlink.h

• Lines: 79
• Date: Thu Dec 12 16:54:21 1996
• Orig file: v2.1.14/linux/include/net/netlink.h
• Orig date: Tue Nov 19 15:53:58 1996

diff -u --recursive --new-file v2.1.14/linux/include/net/netlink.h linux/include/net/netlink.h
@@ -2,14 +2,17 @@
 #define __NET_NETLINK_H
 
 #define NET_MAJOR 36		/* Major 18 is reserved for networking 						*/
+/* so....                                ^^ is this 36? */
+/* and the things below... */
 #define MAX_LINKS 16		/* 18,0 for route updates, 18,1 for SKIP, 18,2 debug tap 18,3 PPP reserved 	*/
 				/* 4-7 are psi0-psi3  8 is arpd 9 is ppp */
 				/* 10 is for IPSEC <John Ioannidis> */
 				/* 11 IPv6 route updates		*/
 				/* 12 is for firewall trapout	*/
+
 #define MAX_QBYTES 32768	/* Maximum bytes in the queue 							*/
 
-#include <linux/config.h>
+#include <linux/netlink.h>
 
 extern int netlink_attach(int unit, int (*function)(int,struct sk_buff *skb));
 extern int netlink_donothing(int, struct sk_buff *skb);
@@ -17,6 +20,44 @@
 extern int netlink_post(int unit, struct sk_buff *skb);
 extern int init_netlink(void);
 
+/*
+ *	skb should fit one page. This choice is good for headerless malloc.
+ */
+#define NLMSG_GOODSIZE (PAGE_SIZE - ((sizeof(struct sk_buff)+0xF)&~0xF))
+
+#define NLMSG_RECOVERY_TIMEO	(HZ/2)		/* If deleivery was failed,
+						   retry after */
+
+struct nlmsg_ctl
+{
+	struct timer_list nlmsg_timer;
+	struct sk_buff	*nlmsg_skb;		/* Partially built skb	*/
+	int		nlmsg_unit;
+	int		nlmsg_delay;		/* Time to delay skb send*/
+	int		nlmsg_maxsize;		/* Maximal message size  */
+	int		nlmsg_force;		/* post immediately	 */
+	unsigned long	nlmsg_overrun_start;	/* seqno starting lossage*/
+	unsigned long	nlmsg_overrun_end;	/* the last lost message */
+	char		nlmsg_overrun;		/* overrun flag		 */
+};
+
+void* nlmsg_send(struct nlmsg_ctl*, unsigned long type, int len,
+		 unsigned long seq, unsigned long pid);
+void nlmsg_transmit(struct nlmsg_ctl*);
+
+extern __inline__ void nlmsg_ack(struct nlmsg_ctl* ctl, unsigned long seq,
+				 unsigned long pid, int err)
+{
+	int *r;
+
+	start_bh_atomic();
+	r = nlmsg_send(ctl, NLMSG_ACK, sizeof(r), seq, pid);
+	if (r)
+		*r = err;
+	end_bh_atomic();
+}
+
+
 #define NETLINK_ROUTE		0	/* Routing/device hook				*/
 #define NETLINK_SKIP		1	/* Reserved for ENskip  			*/
 #define NETLINK_USERSOCK	2	/* Reserved for user mode socket protocols 	*/
@@ -25,11 +66,8 @@
 #define NETLINK_ARPD		8
 #define NETLINK_IPSEC		10	/* IPSEC */
 #define NETLINK_ROUTE6		11	/* af_inet6 route comm channel */
-#define NETLINK_
+/* Wouldn't this suffice instead of the confusion at the top of
+   this file?  i.e. 3 is firewall or ppp... */
+/* #define MAX_LINKS		16 */
 
-#ifdef CONFIG_RTNETLINK
-extern void ip_netlink_msg(unsigned long, __u32, __u32, __u32, short, short, char *);
-#else
-#define ip_netlink_msg(a,b,c,d,e,f,g)
-#endif
 #endif