root/net/atm/mpc.h

INCLUDED FROM

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _MPC_H_
   3 #define _MPC_H_
   4 
   5 #include <linux/types.h>
   6 #include <linux/atm.h>
   7 #include <linux/atmmpc.h>
   8 #include <linux/skbuff.h>
   9 #include <linux/spinlock.h>
  10 #include "mpoa_caches.h"
  11 
  12 /* kernel -> mpc-daemon */
  13 int msg_to_mpoad(struct k_message *msg, struct mpoa_client *mpc);
  14 
  15 struct mpoa_client {
  16         struct mpoa_client *next;
  17         struct net_device *dev;      /* lec in question                     */
  18         int dev_num;                 /* e.g. 2 for lec2                     */
  19 
  20         struct atm_vcc *mpoad_vcc;   /* control channel to mpoad            */
  21         uint8_t mps_ctrl_addr[ATM_ESA_LEN];  /* MPS control ATM address     */
  22         uint8_t our_ctrl_addr[ATM_ESA_LEN];  /* MPC's control ATM address   */
  23 
  24         rwlock_t ingress_lock;
  25         const struct in_cache_ops *in_ops; /* ingress cache operations      */
  26         in_cache_entry *in_cache;    /* the ingress cache of this MPC       */
  27 
  28         rwlock_t egress_lock;
  29         const struct eg_cache_ops *eg_ops; /* egress cache operations       */
  30         eg_cache_entry *eg_cache;    /* the egress  cache of this MPC       */
  31 
  32         uint8_t *mps_macs;           /* array of MPS MAC addresses, >=1     */
  33         int number_of_mps_macs;      /* number of the above MAC addresses   */
  34         struct mpc_parameters parameters;  /* parameters for this client    */
  35 
  36         const struct net_device_ops *old_ops;
  37         struct net_device_ops new_ops;
  38 };
  39 
  40 
  41 struct atm_mpoa_qos {
  42         struct atm_mpoa_qos *next;
  43         __be32 ipaddr;
  44         struct atm_qos qos;
  45 };
  46 
  47 
  48 /* MPOA QoS operations */
  49 struct atm_mpoa_qos *atm_mpoa_add_qos(__be32 dst_ip, struct atm_qos *qos);
  50 struct atm_mpoa_qos *atm_mpoa_search_qos(__be32 dst_ip);
  51 int atm_mpoa_delete_qos(struct atm_mpoa_qos *qos);
  52 
  53 /* Display QoS entries. This is for the procfs */
  54 struct seq_file;
  55 void atm_mpoa_disp_qos(struct seq_file *m);
  56 
  57 #ifdef CONFIG_PROC_FS
  58 int mpc_proc_init(void);
  59 void mpc_proc_clean(void);
  60 #else
  61 #define mpc_proc_init() (0)
  62 #define mpc_proc_clean() do { } while(0)
  63 #endif
  64 
  65 #endif /* _MPC_H_ */