X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=kernel%2Fnetwork.h;fp=kernel%2Fnetwork.h;h=29c5bd2fee3daf7b19a9bf88c6a6881a270015fb;hb=8cf13bb177d92c93eb73dc8939777150536c2d00;hp=0000000000000000000000000000000000000000;hpb=6bf3f95de36c804c97716b2d0bdf10680c559044;p=util-vserver.git

diff --git a/kernel/network.h b/kernel/network.h
new file mode 100644
index 0000000..29c5bd2
--- /dev/null
+++ b/kernel/network.h
@@ -0,0 +1,96 @@
+#ifndef _VX_NETWORK_H
+#define _VX_NETWORK_H
+
+#include <linux/types.h>
+
+
+#define MAX_N_CONTEXT	65535	/* Arbitrary limit */
+
+#define NX_DYNAMIC_ID	((uint32_t)-1)		/* id for dynamic context */
+
+#define NB_IPV4ROOT	16
+
+
+/* network flags */
+
+#define NXF_STATE_SETUP		(1ULL<<32)
+
+#define NXF_STATE_HELPER	(1ULL<<36)
+
+#define NXF_ONE_TIME		(0x0001ULL<<32)
+
+#define NXF_INIT_SET		(0)
+
+
+/* address types */
+
+#define	NXA_TYPE_IPV4		1
+#define	NXA_TYPE_IPV6		2
+
+#define	NXA_MOD_BCAST		(1<<8)
+
+#define	NXA_TYPE_ANY		(~0)
+
+
+#ifdef	__KERNEL__
+
+#include <linux/list.h>
+#include <linux/spinlock.h>
+#include <linux/rcupdate.h>
+#include <asm/atomic.h>
+
+
+struct nx_info {
+	struct hlist_node nx_hlist;	/* linked list of nxinfos */
+	nid_t nx_id;			/* vnet id */
+	atomic_t nx_usecnt;		/* usage count */
+	atomic_t nx_tasks;		/* tasks count */
+	int nx_state;			/* context state */
+
+	uint64_t nx_flags;		/* network flag word */
+	uint64_t nx_ncaps;		/* network capabilities */
+
+	int nbipv4;
+	__u32 ipv4[NB_IPV4ROOT];	/* Process can only bind to these IPs */
+					/* The first one is used to connect */
+					/* and for bind any service */
+					/* The other must be used explicity */
+	__u32 mask[NB_IPV4ROOT];	/* Netmask for each ipv4 */
+					/* Used to select the proper source */
+					/* address for sockets */
+	__u32 v4_bcast;			/* Broadcast address to receive UDP  */
+
+	char nx_name[65];		/* network context name */
+};
+
+
+/* status flags */
+
+#define NXS_HASHED      0x0001
+#define NXS_SHUTDOWN    0x0100
+#define NXS_RELEASED    0x8000
+
+extern struct nx_info *locate_nx_info(int);
+extern struct nx_info *locate_or_create_nx_info(int);
+
+extern int get_nid_list(int, unsigned int *, int);
+extern int nid_is_hashed(nid_t);
+
+extern int nx_migrate_task(struct task_struct *, struct nx_info *);
+
+extern long vs_net_change(struct nx_info *, unsigned int);
+
+struct in_ifaddr;
+struct net_device;
+
+int ifa_in_nx_info(struct in_ifaddr *, struct nx_info *);
+int dev_in_nx_info(struct net_device *, struct nx_info *);
+
+struct sock;
+
+int nx_addr_conflict(struct nx_info *, uint32_t, struct sock *);
+
+#endif	/* __KERNEL__ */
+#else	/* _VX_NETWORK_H */
+#warning duplicate inclusion
+#endif	/* _VX_NETWORK_H */