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      1 /*
      2  * CDDL HEADER START
      3  *
      4  * The contents of this file are subject to the terms of the
      5  * Common Development and Distribution License (the "License").
      6  * You may not use this file except in compliance with the License.
      7  *
      8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
      9  * or http://www.opensolaris.org/os/licensing.
     10  * See the License for the specific language governing permissions
     11  * and limitations under the License.
     12  *
     13  * When distributing Covered Code, include this CDDL HEADER in each
     14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     15  * If applicable, add the following below this CDDL HEADER, with the
     16  * fields enclosed by brackets "[]" replaced with your own identifying
     17  * information: Portions Copyright [yyyy] [name of copyright owner]
     18  *
     19  * CDDL HEADER END
     20  */
     21 /*
     22  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
     23  * Use is subject to license terms.
     24  */
     25 
     26 #ifndef	_SYS_DLS_IMPL_H
     27 #define	_SYS_DLS_IMPL_H
     28 
     29 #include <sys/stream.h>
     30 #include <sys/dls.h>
     31 #include <sys/mac_provider.h>
     32 #include <sys/mac_client.h>
     33 #include <sys/mac_client_priv.h>
     34 #include <sys/modhash.h>
     35 #include <sys/kstat.h>
     36 #include <net/if.h>
     37 #include <sys/dlpi.h>
     38 
     39 #ifdef	__cplusplus
     40 extern "C" {
     41 #endif
     42 
     43 typedef struct dls_multicst_addr_s {
     44 	struct dls_multicst_addr_s	*dma_nextp;		/* ds_rw_lock */
     45 	uint8_t				dma_addr[MAXMACADDRLEN];
     46 } dls_multicst_addr_t;
     47 
     48 struct dls_link_s {				/* Protected by */
     49 	char			dl_name[MAXNAMELEN];	/* SL */
     50 	uint_t			dl_ddi_instance;	/* SL */
     51 	mac_handle_t		dl_mh;			/* SL */
     52 	mac_client_handle_t	dl_mch;			/* SL */
     53 	mac_unicast_handle_t	dl_mah;			/* SL */
     54 	const mac_info_t	*dl_mip;		/* SL */
     55 	uint_t			dl_ref;			/* SL */
     56 	mod_hash_t		*dl_str_hash;		/* SL, modhash lock */
     57 	uint_t			dl_impl_count;		/* SL */
     58 	uint_t			dl_nactive;		/* SL */
     59 	uint32_t		dl_unknowns;		/* atomic */
     60 	zoneid_t		dl_zid;
     61 	uint_t			dl_zone_ref;
     62 	link_tagmode_t		dl_tagmode;		/* atomic */
     63 	uint_t			dl_nonip_cnt;		/* SL */
     64 };
     65 
     66 typedef struct dls_head_s {
     67 	kmutex_t		dh_lock;
     68 	struct dld_str_s	*dh_list;		/* dh_ref */
     69 	uint_t			dh_ref;			/* dh_lock */
     70 	mod_hash_key_t		dh_key;			/* SL */
     71 	kcondvar_t		dh_cv;			/* dh_lock */
     72 	uint_t			dh_removing;		/* dh_lock */
     73 } dls_head_t;
     74 
     75 extern mod_hash_t	*i_dls_link_hash;
     76 
     77 extern void		dls_link_init(void);
     78 extern int		dls_link_fini(void);
     79 extern int		dls_link_hold(const char *, dls_link_t **);
     80 extern int		dls_link_hold_create(const char *, dls_link_t **);
     81 extern int		dls_link_hold_by_dev(dev_t, dls_link_t **);
     82 extern void		dls_link_rele(dls_link_t *);
     83 extern int		dls_link_rele_by_name(const char *);
     84 extern void		dls_link_add(dls_link_t *, uint32_t, dld_str_t *);
     85 extern void		dls_link_remove(dls_link_t *, dld_str_t *);
     86 extern int		dls_link_getzid(const char *, zoneid_t *);
     87 extern int		dls_link_setzid(const char *, zoneid_t);
     88 extern dev_info_t	*dls_link_devinfo(dev_t);
     89 extern dev_t		dls_link_dev(dls_link_t *);
     90 
     91 extern void		i_dls_head_rele(dls_head_t *);
     92 extern int		dls_mac_active_set(dls_link_t *i);
     93 extern void		dls_mac_active_clear(dls_link_t *);
     94 
     95 extern void		dls_create_str_kstats(dld_str_t *);
     96 extern int		dls_stat_update(kstat_t *, dls_link_t *, int);
     97 extern int		dls_stat_create(const char *, int, const char *,
     98 			    zoneid_t, int (*)(struct kstat *, int), void *,
     99 			    kstat_t **);
    100 
    101 extern int		dls_devnet_open_by_dev(dev_t, dls_link_t **,
    102 			    dls_dl_handle_t *);
    103 extern int		dls_devnet_hold_link(datalink_id_t, dls_dl_handle_t *,
    104 			    dls_link_t **);
    105 extern void		dls_devnet_rele_link(dls_dl_handle_t, dls_link_t *);
    106 
    107 extern void		dls_init(void);
    108 extern int		dls_fini(void);
    109 extern void		dls_link_txloop(void *, mblk_t *);
    110 extern boolean_t	dls_accept(dld_str_t *, mac_header_info_t *,
    111 			    dls_rx_t *, void **);
    112 extern boolean_t	dls_accept_loopback(dld_str_t *, mac_header_info_t *,
    113 			    dls_rx_t *, void **);
    114 extern boolean_t	dls_accept_promisc(dld_str_t *, mac_header_info_t *,
    115 			    dls_rx_t *, void **, boolean_t);
    116 extern void		i_dls_link_rx(void *, mac_resource_handle_t, mblk_t *,
    117 			    boolean_t);
    118 extern void		dls_rx_promisc(void *, mac_resource_handle_t, mblk_t *,
    119 			    boolean_t);
    120 extern void		dls_rx_vlan_promisc(void *, mac_resource_handle_t,
    121 			    mblk_t *, boolean_t);
    122 extern int		dls_active_set(dld_str_t *);
    123 extern void		dls_active_clear(dld_str_t *, boolean_t);
    124 
    125 extern void		dls_mgmt_init(void);
    126 extern void		dls_mgmt_fini(void);
    127 
    128 extern int		dls_mgmt_get_phydev(datalink_id_t, dev_t *);
    129 
    130 #ifdef	__cplusplus
    131 }
    132 #endif
    133 
    134 #endif	/* _SYS_DLS_IMPL_H */
    135