mgt/ibcm/ibcm_arp.h

	ibcm_arp.h revision 261906274d77b4a1c6d61c75d170ab5a8e85a6a7
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _SYS_IB_MGT_IBCM_IBCM_ARP_H
#define _SYS_IB_MGT_IBCM_IBCM_ARP_H

#ifdef  __cplusplus
extern "C" {
#endif

#include <sys/ib/mgt/ibcm/ibcm_impl.h>
#include <sys/ib/clients/ibd/ibd.h>
#include <inet/ip2mac.h>
#include <inet/ip6.h>

#define IBCM_ARP_MAX_IFNAME_LEN     24

#define IBCM_H2N_GID(gid) \
{ \
    uint32_t    *ptr; \
    ptr = (uint32_t *)&gid.gid_prefix; \
    gid.gid_prefix = (uint64_t)(((uint64_t)ntohl(ptr[0]) << 32) | \
            (ntohl(ptr[1]))); \
    ptr = (uint32_t *)&gid.gid_guid; \
    gid.gid_guid = (uint64_t)(((uint64_t)ntohl(ptr[0]) << 32) | \
            (ntohl(ptr[1]))); \
}

#define IBCM_ARP_PR_RT_PENDING      0x01
#define IBCM_ARP_PR_RESOLVE_PENDING 0x02

/*
 * Path record wait queue node definition
 */
typedef struct ibcm_arp_prwqn {
    struct ibcm_arp_streams_s *ib_str;
    uint8_t         flags;
    ibt_ip_addr_t       usrc_addr;  /* user supplied src address */
    ibt_ip_addr_t       dst_addr;   /* user supplied dest address */
    ibt_ip_addr_t       src_addr;   /* rts's view of src address */
    ibt_ip_addr_t       gateway;    /* rts returned gateway addr */
    ibt_ip_addr_t       netmask;    /* rts returned netmask */
    char            ifname[IBCM_ARP_MAX_IFNAME_LEN];
    uint16_t        ifproto;
    ipoib_mac_t     src_mac;
    ipoib_mac_t     dst_mac;
    ib_gid_t        sgid;
    ib_gid_t        dgid;
    ip2mac_id_t     ip2mac_id;
} ibcm_arp_prwqn_t;

typedef struct ibcm_arp_streams_s {
    kmutex_t        lock;
    kcondvar_t      cv;
    int         status;
    boolean_t       done;
    ibcm_arp_prwqn_t    *wqnp;
} ibcm_arp_streams_t;

#define IBCM_ARP_IBD_INSTANCES      4

typedef struct ibcm_arp_ip_s {
    uint8_t     ip_inst;
    ib_pkey_t   ip_pkey;
    ib_guid_t   ip_hca_guid;
    ib_gid_t    ip_port_gid;
    sa_family_t ip_inet_family;
    union {
        struct sockaddr_in  ip_sockaddr;
        struct sockaddr_in6 ip_sockaddr6;
    } ip_sin;
#define ip_cm_sin       ip_sin.ip_sockaddr
#define ip_cm_sin6      ip_sin.ip_sockaddr6
} ibcm_arp_ip_t;

typedef struct ibcm_arp_ibd_insts_s {
    uint8_t     ibcm_arp_ibd_alloc;
    uint8_t     ibcm_arp_ibd_cnt;
    ibcm_arp_ip_t   *ibcm_arp_ip;
} ibcm_arp_ibd_insts_t;

ibt_status_t ibcm_arp_get_ibaddr(zoneid_t zoneid, ibt_ip_addr_t srcip,
    ibt_ip_addr_t destip, ib_gid_t *sgid, ib_gid_t *dgid,
    ibt_ip_addr_t *saddr_p);
ibt_status_t ibcm_arp_get_ibds(ibcm_arp_ibd_insts_t *ibdp, sa_family_t fam);

#ifdef  __cplusplus
}
#endif

#endif /* _SYS_IB_MGT_IBCM_IBCM_ARP_H */