cmm/src/module_mcast.h

/*
 *
 *  Copyright (C) 2007 Mindspeed Technologies, Inc.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#ifndef __MODULE_MCAST_H__
#define __MODULE_MCAST_H__
#include "cmmd.h"

#define MC_NUM_HASH_ENTRIES 32
#define MC_HASH(_addr, _family) ((_family == AF_INET) ? (ntohl(_addr[0])&(MC_NUM_HASH_ENTRIES - 1)):(ntohl(_addr[3])&(MC_NUM_HASH_ENTRIES - 1)))	

#define MC_MAX_LISTENERS_PER_GROUP 10
typedef struct mc_listener {
	u_int32_t timer;
	char	  output_device_str[11];
	unsigned char shaper_mask ;
	u_int8_t	uc_bit:1,
			q_bit:1,
			rsvd:6;
	u_int8_t        uc_mac[6];
	u_int8_t	queue;
	char		new_output_device_str[11];
	u_int8_t	Ifbit:1,
			rsvd1:7;
}__attribute__((__packed__)) mc_listener_t;

struct mcast_entry {
	struct list_head list;
	u_int8_t  family;
//	u_int8_t  programmed;
	u_int8_t  mode : 1, 
		  queue : 5, 
		  rsvd : 2;
	u_int8_t  src_mask_len;
	u_int32_t src_addr[4];
	u_int32_t dst_addr[4];
	u_int8_t num_output;
	u_int8_t l_program[MC_MAX_LISTENERS_PER_GROUP];
	struct mc_listener listener[MC_MAX_LISTENERS_PER_GROUP];
}__attribute__((__packed__)) mcast_entry_t;

extern struct list_head mc_table[MC_NUM_HASH_ENTRIES];
struct mcast_entry *mc_find ( void  *data, unsigned char family );
struct mcast_entry *mc_add(struct mcast_entry *mc, void *entry, cmmd_mc_listener_t *listener, unsigned char program, unsigned char family );
int  mc_remove( struct mcast_entry *mc, cmmd_mc_listener_t * listener, int num_entries );
void mc_remove_group(void * entryCmd,unsigned char family);
int mc_reset(  unsigned char family );
int mc_update( struct mcast_entry *mc, cmmd_mc_listener_t *listener, int  num_output);
void mc_update_table( FCI_CLIENT *fci, struct rtattr *tb[], struct ifinfomsg *ifi );
int mc6_send_command( FCI_CLIENT *fci, unsigned short action, struct mcast_entry *mc , char * Ifname);
int mc4_send_command( FCI_CLIENT *fci, unsigned short action, struct mcast_entry *mc , char * Ifname);

int mc4_update_entry( cmmd_mc4_entry_t *entry,cmmd_mc_listener_t *listener, unsigned short action );
int mc6_update_entry( cmmd_mc6_entry_t *entry,cmmd_mc_listener_t *listener, unsigned short action );
#endif