/**
* Send an FIN to the peer. If we fail to send this ack (no more available
* fragments or the send failed) this function automatically add the FIN
* to the list of pending FIN, Which guarantee that the FIN will be sent
* later.
*/
int mca_pml_ob1_send_fin( ompi_proc_t* proc,
mca_bml_base_btl_t* bml_btl,
ompi_ptr_t hdr_des,
uint8_t order,
uint32_t status )
{
mca_btl_base_descriptor_t* fin;
mca_pml_ob1_fin_hdr_t* hdr;
int rc;
mca_bml_base_alloc(bml_btl, &fin, order, sizeof(mca_pml_ob1_fin_hdr_t),
MCA_BTL_DES_FLAGS_PRIORITY | MCA_BTL_DES_FLAGS_BTL_OWNERSHIP);
if(NULL == fin) {
MCA_PML_OB1_ADD_FIN_TO_PENDING(proc, hdr_des, bml_btl, order, status);
return OMPI_ERR_OUT_OF_RESOURCE;
}
fin->des_cbfunc = mca_pml_ob1_fin_completion;
fin->des_cbdata = NULL;
/* fill in header */
hdr = (mca_pml_ob1_fin_hdr_t*)fin->des_src->seg_addr.pval;
hdr->hdr_common.hdr_flags = 0;
hdr->hdr_common.hdr_type = MCA_PML_OB1_HDR_TYPE_FIN;
hdr->hdr_des = hdr_des;
hdr->hdr_fail = status;
ob1_hdr_hton(hdr, MCA_PML_OB1_HDR_TYPE_FIN, proc);
/* queue request */
rc = mca_bml_base_send( bml_btl,
fin,
MCA_PML_OB1_HDR_TYPE_FIN );
if( OPAL_LIKELY( rc >= 0 ) ) {
if( OPAL_LIKELY( 1 == rc ) ) {
MCA_PML_OB1_PROGRESS_PENDING(bml_btl);
}
return OMPI_SUCCESS;
}
mca_bml_base_free(bml_btl, fin);
MCA_PML_OB1_ADD_FIN_TO_PENDING(proc, hdr_des, bml_btl, order, status);
return OMPI_ERR_OUT_OF_RESOURCE;
}
/**
* Send an FIN to the peer. If we fail to send this ack (no more available
* fragments or the send failed) this function automatically add the FIN
* to the list of pending FIN, Which guarantee that the FIN will be sent
* later.
*/
int mca_pml_ob1_send_fin( ompi_proc_t* proc,
mca_bml_base_btl_t* bml_btl,
opal_ptr_t hdr_frag,
uint64_t rdma_size,
uint8_t order,
int status )
{
mca_btl_base_descriptor_t* fin;
int rc;
mca_bml_base_alloc(bml_btl, &fin, order, sizeof(mca_pml_ob1_fin_hdr_t),
MCA_BTL_DES_FLAGS_PRIORITY | MCA_BTL_DES_FLAGS_BTL_OWNERSHIP | MCA_BTL_DES_FLAGS_SIGNAL);
if(NULL == fin) {
MCA_PML_OB1_ADD_FIN_TO_PENDING(proc, hdr_frag, rdma_size, bml_btl, order, status);
return OMPI_ERR_OUT_OF_RESOURCE;
}
fin->des_cbfunc = mca_pml_ob1_fin_completion;
fin->des_cbdata = NULL;
/* fill in header */
mca_pml_ob1_fin_hdr_prepare ((mca_pml_ob1_fin_hdr_t *) fin->des_segments->seg_addr.pval,
0, hdr_frag.lval, status ? status : (int64_t) rdma_size);
ob1_hdr_hton((mca_pml_ob1_hdr_t *) fin->des_segments->seg_addr.pval, MCA_PML_OB1_HDR_TYPE_FIN, proc);
/* queue request */
rc = mca_bml_base_send( bml_btl, fin, MCA_PML_OB1_HDR_TYPE_FIN );
if( OPAL_LIKELY( rc >= 0 ) ) {
if( OPAL_LIKELY( 1 == rc ) ) {
MCA_PML_OB1_PROGRESS_PENDING(bml_btl);
}
return OMPI_SUCCESS;
}
mca_bml_base_free(bml_btl, fin);
MCA_PML_OB1_ADD_FIN_TO_PENDING(proc, hdr_frag, rdma_size, bml_btl, order, status);
return OMPI_ERR_OUT_OF_RESOURCE;
}
