1 #ifndef _MPC_H_
2 #define _MPC_H_
3 
4 #include <linux/atm.h>
5 #include <linux/atmmpc.h>
6 #include <linux/skbuff.h>
7 #include <linux/spinlock.h>
8 #include "mpoa_caches.h"
9 
10 /* kernel -> mpc-daemon */
11 int msg_to_mpoad(struct k_message *msg, struct mpoa_client *mpc);
12 
13 /* Functions for ioctl(ATMMPC_*) operations */
14 int atm_mpoa_mpoad_attach(struct atm_vcc *vcc, int arg);
15 int atm_mpoa_vcc_attach(struct atm_vcc *vcc, long arg);
16 
17 struct mpoa_client {
18         struct mpoa_client *next;
19         struct net_device *dev;      /* lec in question                     */
20         int dev_num;                 /* e.g. 2 for lec2                     */
21         int (*old_hard_start_xmit)(struct sk_buff *skb, struct net_device *dev);
22         struct atm_vcc *mpoad_vcc;   /* control channel to mpoad            */
23         uint8_t mps_ctrl_addr[ATM_ESA_LEN];  /* MPS control ATM address     */
24         uint8_t our_ctrl_addr[ATM_ESA_LEN];  /* MPC's control ATM address   */
25 
26         rwlock_t ingress_lock;
27         struct in_cache_ops *in_ops; /* ingress cache operations            */
28         in_cache_entry *in_cache;    /* the ingress cache of this MPC       */
29 
30         rwlock_t egress_lock;
31         struct eg_cache_ops *eg_ops; /* egress cache operations             */
32         eg_cache_entry *eg_cache;    /* the egress  cache of this MPC       */
33 
34         uint8_t *mps_macs;           /* array of MPS MAC addresses, >=1     */
35         int number_of_mps_macs;      /* number of the above MAC addresses   */
36         struct mpc_parameters parameters;  /* parameters for this client    */
37 };
38 
39 
40 struct atm_mpoa_qos {
41         struct atm_mpoa_qos *next;
42         uint32_t ipaddr;
43         struct atm_qos qos;
44 };
45 
46 
47 /* Functions to call during ioctl(ATMMPC, ) */
48 struct atm_mpoa_ops {
49         int (*mpoad_attach)(struct atm_vcc *vcc, int arg);  /* attach mpoa daemon  */
50         int (*vcc_attach)(struct atm_vcc *vcc, long arg);   /* attach shortcut vcc */
51 	struct module *owner;
52 };
53 
54 /* Boot/module initialization function */
55 extern struct atm_mpoa_ops *atm_mpoa_ops;
56 int try_atm_mpoa_ops(void);
57 void atm_mpoa_ops_set(struct atm_mpoa_ops *hook);
58 
59 /* MPOA QoS operations */
60 struct atm_mpoa_qos *atm_mpoa_add_qos(uint32_t dst_ip, struct atm_qos *qos);
61 struct atm_mpoa_qos *atm_mpoa_search_qos(uint32_t dst_ip);
62 int atm_mpoa_delete_qos(struct atm_mpoa_qos *qos);
63 
64 /* Display QoS entries. This is for the procfs */
65 void atm_mpoa_disp_qos(char *page, int *len);
66 
67 #endif /* _MPC_H_ */
68