[mirror_ubuntu-bionic-kernel.git] / net / atm / mpc.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _MPC_H_
#define _MPC_H_

#include <linux/types.h>
#include <linux/atm.h>
#include <linux/atmmpc.h>
#include <linux/skbuff.h>
#include <linux/spinlock.h>
#include "mpoa_caches.h"

/* kernel -> mpc-daemon */
int msg_to_mpoad(struct k_message *msg, struct mpoa_client *mpc);

struct mpoa_client {
	struct mpoa_client *next;
	struct net_device *dev;      /* lec in question                     */
	int dev_num;                 /* e.g. 2 for lec2                     */

	struct atm_vcc *mpoad_vcc;   /* control channel to mpoad            */
	uint8_t mps_ctrl_addr[ATM_ESA_LEN];  /* MPS control ATM address     */
	uint8_t our_ctrl_addr[ATM_ESA_LEN];  /* MPC's control ATM address   */

	rwlock_t ingress_lock;
	const struct in_cache_ops *in_ops; /* ingress cache operations      */
	in_cache_entry *in_cache;    /* the ingress cache of this MPC       */

	rwlock_t egress_lock;
	const struct eg_cache_ops *eg_ops; /* egress cache operations       */
	eg_cache_entry *eg_cache;    /* the egress  cache of this MPC       */

	uint8_t *mps_macs;           /* array of MPS MAC addresses, >=1     */
	int number_of_mps_macs;      /* number of the above MAC addresses   */
	struct mpc_parameters parameters;  /* parameters for this client    */

	const struct net_device_ops *old_ops;
	struct net_device_ops new_ops;
};


struct atm_mpoa_qos {
	struct atm_mpoa_qos *next;
	__be32 ipaddr;
	struct atm_qos qos;
};


/* MPOA QoS operations */
struct atm_mpoa_qos *atm_mpoa_add_qos(__be32 dst_ip, struct atm_qos *qos);
struct atm_mpoa_qos *atm_mpoa_search_qos(__be32 dst_ip);
int atm_mpoa_delete_qos(struct atm_mpoa_qos *qos);

/* Display QoS entries. This is for the procfs */
struct seq_file;
void atm_mpoa_disp_qos(struct seq_file *m);

#ifdef CONFIG_PROC_FS
int mpc_proc_init(void);
void mpc_proc_clean(void);
#else
#define mpc_proc_init() (0)
#define mpc_proc_clean() do { } while(0)
#endif

#endif /* _MPC_H_ */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
1da177e4 LT	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 {
f7d57453 YH	16	struct mpoa_client *next;
	17	struct net_device dev; / lec in question */
	18	int dev_num; /* e.g. 2 for lec2 */
788dee0a	19
f7d57453 YH	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;
4dd191bb	25	const struct in_cache_ops in_ops; / ingress cache operations */
f7d57453 YH	26	in_cache_entry in_cache; / the ingress cache of this MPC */
	27
	28	rwlock_t egress_lock;
4dd191bb	29	const struct eg_cache_ops eg_ops; / egress cache operations */
f7d57453 YH	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 */
788dee0a SH	35
	36	const struct net_device_ops *old_ops;
	37	struct net_device_ops new_ops;
1da177e4 LT	38	};
	39
	40
	41	struct atm_mpoa_qos {
f7d57453 YH	42	struct atm_mpoa_qos *next;
	43	__be32 ipaddr;
	44	struct atm_qos qos;
1da177e4 LT	45	};
	46
	47
	48	/* MPOA QoS operations */
30d492da AV	49	struct atm_mpoa_qos atm_mpoa_add_qos(__be32 dst_ip, struct atm_qos qos);
30d492da AV	50	struct atm_mpoa_qos *atm_mpoa_search_qos(__be32 dst_ip);
1da177e4 LT	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
69263bcf AB	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
1da177e4	65	#endif /* _MPC_H_ */