vipconnectreject.c

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/********************************************************
 * Myricom VI-GM  networking software and documentation *
 * Copyright (c) 2001 by Myricom, Inc.                  *
 * All rights reserved.                                 *
 * See the file `COPYING' for copyright notice.         *
 ********************************************************/

#include "vipl_priv.h"


VIP_ENTRY_POINT VIP_RETURN
VipConnectReject (VIP_CONN_HANDLE ConnHandle)
{
  VIP_GM *vip_gm_ptr;
  VIP_NIC *vip_nic_ptr;
  VIP_CONN *vip_conn_ptr;
  VIP_SEND_REQ *vip_send_req_ptr;
  VIP_PACKET_CONN_REJECT *pkt_ptr;
  VIP_DEBUG_LABEL (("VipConnectAccept"));

  /* check conn handle */
  vip_conn_ptr = (VIP_CONN *) ConnHandle;
  if (VIP_INVALID_CONN_HANDLE (vip_conn_ptr))
    {
      VIP_DEBUG (("Invalid CONN handle"));
      return VIP_INVALID_PARAMETER;
    }
  vip_nic_ptr = vip_conn_ptr->handle.vip_nic_ptr;
  vip_gm_ptr = vip_nic_ptr->vip_gm_ptr;
  VIP_MUTEX_LOCK (&(vip_gm_ptr->lock));
  VIP_PROGRESSION (vip_gm_ptr);
  VIP_MUTEX_LOCK (&(vip_nic_ptr->lock));

  /* allocate a send buffer */
  vip_send_req_ptr =
    vip_allocate_packet (vip_gm_ptr, sizeof (VIP_PACKET_CONN_REJECT));
  if (vip_send_req_ptr == NULL)
    {
      VIP_MUTEX_UNLOCK (&(vip_nic_ptr->lock));
      VIP_MUTEX_UNLOCK (&(vip_gm_ptr->lock));
      return VIP_ERROR_RESOURCE;
    }

  /* fill the packet and send it */
  pkt_ptr = (VIP_PACKET_CONN_REJECT *) (vip_send_req_ptr->ptr);
  pkt_ptr->type = VIP_HTON_UCHAR (VIP_CONN_REJECT_PKT);
  pkt_ptr->clt_seq_num = vip_conn_ptr->net_remote_seq_num;
  pkt_ptr->clt_conn_ptr = vip_conn_ptr->net_remote_conn_ptr;

  vip_send_req_ptr->type |= VIP_SEND_REQ_RELIABLE;
  vip_send_req_ptr->dest_port_id = vip_conn_ptr->remote_port_id;
  vip_send_req_ptr->dest_gm_id = vip_conn_ptr->remote_gm_id;
  vip_send_req_ptr->vip_nic_ptr = vip_nic_ptr;
  vip_send_data (vip_send_req_ptr);

  vip_free_handle (&(vip_nic_ptr->vip_conn_set), (VIP_HANDLE *) vip_conn_ptr);
  VIP_MUTEX_UNLOCK (&(vip_nic_ptr->lock));
  VIP_MUTEX_UNLOCK (&(vip_gm_ptr->lock));
  return VIP_SUCCESS;
}