Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / include / linux / atalk.h

diff --git a/kernel/include/linux/atalk.h b/kernel/include/linux/atalk.h
new file mode 100644 (file)
index 0000000..73fd8b7
--- /dev/null
+++ b/kernel/include/linux/atalk.h
@@ -0,0 +1,168 @@
+#ifndef __LINUX_ATALK_H__
+#define __LINUX_ATALK_H__
+
+
+#include <net/sock.h>
+#include <uapi/linux/atalk.h>
+
+struct atalk_route {
+       struct net_device  *dev;
+       struct atalk_addr  target;
+       struct atalk_addr  gateway;
+       int                flags;
+       struct atalk_route *next;
+};
+
+/**
+ *     struct atalk_iface - AppleTalk Interface
+ *     @dev - Network device associated with this interface
+ *     @address - Our address
+ *     @status - What are we doing?
+ *     @nets - Associated direct netrange
+ *     @next - next element in the list of interfaces
+ */
+struct atalk_iface {
+       struct net_device       *dev;
+       struct atalk_addr       address;
+       int                     status;
+#define ATIF_PROBE     1               /* Probing for an address */
+#define ATIF_PROBE_FAIL        2               /* Probe collided */
+       struct atalk_netrange   nets;
+       struct atalk_iface      *next;
+};
+       
+struct atalk_sock {
+       /* struct sock has to be the first member of atalk_sock */
+       struct sock     sk;
+       __be16          dest_net;
+       __be16          src_net;
+       unsigned char   dest_node;
+       unsigned char   src_node;
+       unsigned char   dest_port;
+       unsigned char   src_port;
+};
+
+static inline struct atalk_sock *at_sk(struct sock *sk)
+{
+       return (struct atalk_sock *)sk;
+}
+
+struct ddpehdr {
+       __be16  deh_len_hops;   /* lower 10 bits are length, next 4 - hops */
+       __be16  deh_sum;
+       __be16  deh_dnet;
+       __be16  deh_snet;
+       __u8    deh_dnode;
+       __u8    deh_snode;
+       __u8    deh_dport;
+       __u8    deh_sport;
+       /* And netatalk apps expect to stick the type in themselves */
+};
+
+static __inline__ struct ddpehdr *ddp_hdr(struct sk_buff *skb)
+{
+       return (struct ddpehdr *)skb_transport_header(skb);
+}
+
+/* AppleTalk AARP headers */
+struct elapaarp {
+       __be16  hw_type;
+#define AARP_HW_TYPE_ETHERNET          1
+#define AARP_HW_TYPE_TOKENRING         2
+       __be16  pa_type;
+       __u8    hw_len;
+       __u8    pa_len;
+#define AARP_PA_ALEN                   4
+       __be16  function;
+#define AARP_REQUEST                   1
+#define AARP_REPLY                     2
+#define AARP_PROBE                     3
+       __u8    hw_src[ETH_ALEN];
+       __u8    pa_src_zero;
+       __be16  pa_src_net;
+       __u8    pa_src_node;
+       __u8    hw_dst[ETH_ALEN];
+       __u8    pa_dst_zero;
+       __be16  pa_dst_net;
+       __u8    pa_dst_node;
+} __attribute__ ((packed));
+
+static __inline__ struct elapaarp *aarp_hdr(struct sk_buff *skb)
+{
+       return (struct elapaarp *)skb_transport_header(skb);
+}
+
+/* Not specified - how long till we drop a resolved entry */
+#define AARP_EXPIRY_TIME       (5 * 60 * HZ)
+/* Size of hash table */
+#define AARP_HASH_SIZE         16
+/* Fast retransmission timer when resolving */
+#define AARP_TICK_TIME         (HZ / 5)
+/* Send 10 requests then give up (2 seconds) */
+#define AARP_RETRANSMIT_LIMIT  10
+/*
+ * Some value bigger than total retransmit time + a bit for last reply to
+ * appear and to stop continual requests
+ */
+#define AARP_RESOLVE_TIME      (10 * HZ)
+
+extern struct datalink_proto *ddp_dl, *aarp_dl;
+extern void aarp_proto_init(void);
+
+/* Inter module exports */
+
+/* Give a device find its atif control structure */
+static inline struct atalk_iface *atalk_find_dev(struct net_device *dev)
+{
+       return dev->atalk_ptr;
+}
+
+extern struct atalk_addr *atalk_find_dev_addr(struct net_device *dev);
+extern struct net_device *atrtr_get_dev(struct atalk_addr *sa);
+extern int              aarp_send_ddp(struct net_device *dev,
+                                      struct sk_buff *skb,
+                                      struct atalk_addr *sa, void *hwaddr);
+extern void             aarp_device_down(struct net_device *dev);
+extern void             aarp_probe_network(struct atalk_iface *atif);
+extern int              aarp_proxy_probe_network(struct atalk_iface *atif,
+                                    struct atalk_addr *sa);
+extern void             aarp_proxy_remove(struct net_device *dev,
+                                          struct atalk_addr *sa);
+
+extern void            aarp_cleanup_module(void);
+
+extern struct hlist_head atalk_sockets;
+extern rwlock_t atalk_sockets_lock;
+
+extern struct atalk_route *atalk_routes;
+extern rwlock_t atalk_routes_lock;
+
+extern struct atalk_iface *atalk_interfaces;
+extern rwlock_t atalk_interfaces_lock;
+
+extern struct atalk_route atrtr_default;
+
+extern const struct file_operations atalk_seq_arp_fops;
+
+extern int sysctl_aarp_expiry_time;
+extern int sysctl_aarp_tick_time;
+extern int sysctl_aarp_retransmit_limit;
+extern int sysctl_aarp_resolve_time;
+
+#ifdef CONFIG_SYSCTL
+extern void atalk_register_sysctl(void);
+extern void atalk_unregister_sysctl(void);
+#else
+#define atalk_register_sysctl()                do { } while(0)
+#define atalk_unregister_sysctl()      do { } while(0)
+#endif
+
+#ifdef CONFIG_PROC_FS
+extern int atalk_proc_init(void);
+extern void atalk_proc_exit(void);
+#else
+#define atalk_proc_init()      ({ 0; })
+#define atalk_proc_exit()      do { } while(0)
+#endif /* CONFIG_PROC_FS */
+
+#endif /* __LINUX_ATALK_H__ */