osm_madw_t *osm_mad_pool_get_wrapper(IN osm_mad_pool_t * const p_pool,
IN osm_bind_handle_t h_bind,
IN const uint32_t total_size,
IN const ib_mad_t * const p_mad,
IN const osm_mad_addr_t * const p_mad_addr)
{
osm_madw_t *p_madw;
CL_ASSERT(h_bind != OSM_BIND_INVALID_HANDLE);
CL_ASSERT(total_size);
CL_ASSERT(p_mad);
/*
First, acquire a mad wrapper from the mad wrapper pool.
*/
p_madw = malloc(sizeof(*p_madw));
if (p_madw == NULL)
goto Exit;
/*
Finally, initialize the wrapper object.
*/
cl_atomic_inc(&p_pool->mads_out);
osm_madw_init(p_madw, h_bind, total_size, p_mad_addr);
osm_madw_set_mad(p_madw, p_mad);
Exit:
return (p_madw);
}
osm_madw_t *osm_mad_pool_get_wrapper_raw(IN osm_mad_pool_t * const p_pool)
{
osm_madw_t *p_madw;
p_madw = malloc(sizeof(*p_madw));
if (!p_madw)
return NULL;
osm_madw_init(p_madw, 0, 0, 0);
osm_madw_set_mad(p_madw, 0);
cl_atomic_inc(&p_pool->mads_out);
return (p_madw);
}
osm_madw_t *osm_mad_pool_get(IN osm_mad_pool_t * const p_pool,
IN osm_bind_handle_t h_bind,
IN const uint32_t total_size,
IN const osm_mad_addr_t * const p_mad_addr)
{
osm_madw_t *p_madw;
ib_mad_t *p_mad;
CL_ASSERT(h_bind != OSM_BIND_INVALID_HANDLE);
CL_ASSERT(total_size);
/*
First, acquire a mad wrapper from the mad wrapper pool.
*/
p_madw = malloc(sizeof(*p_madw));
if (p_madw == NULL)
goto Exit;
osm_madw_init(p_madw, h_bind, total_size, p_mad_addr);
/*
Next, acquire a wire mad of the specified size.
*/
p_mad = osm_vendor_get(h_bind, total_size, &p_madw->vend_wrap);
if (p_mad == NULL) {
/* Don't leak wrappers! */
free(p_madw);
p_madw = NULL;
goto Exit;
}
cl_atomic_inc(&p_pool->mads_out);
/*
Finally, attach the wire MAD to this wrapper.
*/
osm_madw_set_mad(p_madw, p_mad);
Exit:
return p_madw;
}
static void
__osm_al_rcv_callback(IN void *mad_svc_context, IN ib_mad_element_t * p_elem)
{
osm_al_bind_info_t *const p_bind =
(osm_al_bind_info_t *) mad_svc_context;
osm_vendor_t *const p_vend = p_bind->p_vend;
osm_madw_t *p_old_madw;
osm_madw_t *p_new_madw;
osm_vend_wrap_t *p_old_vw;
osm_vend_wrap_t *p_new_vw;
ib_mad_t *p_new_mad;
osm_mad_addr_t mad_addr;
OSM_LOG_ENTER(p_vend->p_log);
CL_ASSERT(p_elem->context1 == NULL);
CL_ASSERT(p_elem->context2 == NULL);
p_new_mad = ib_get_mad_buf(p_elem);
/*
In preperation for initializing the new mad wrapper,
Initialize the mad_addr structure for the received wire MAD.
*/
mad_addr.dest_lid = p_elem->remote_lid;
mad_addr.path_bits = p_elem->path_bits;
/* TO DO - figure out which #define to use for the 2.5 Gb rate... */
mad_addr.static_rate = 0;
if (p_new_mad->mgmt_class == IB_MCLASS_SUBN_LID ||
p_new_mad->mgmt_class == IB_MCLASS_SUBN_DIR) {
mad_addr.addr_type.smi.source_lid = p_elem->remote_lid;
} else {
mad_addr.addr_type.gsi.remote_qp = p_elem->remote_qp;
mad_addr.addr_type.gsi.remote_qkey = p_elem->remote_qkey;
mad_addr.addr_type.gsi.pkey_ix = p_elem->pkey_index;
mad_addr.addr_type.gsi.service_level = p_elem->remote_sl;
mad_addr.addr_type.gsi.global_route = FALSE;
}
/*
If this MAD is a response to a previous request,
then grab our pre-allocated MAD wrapper.
Otherwise, allocate a new MAD wrapper.
*/
if (ib_mad_is_response(p_new_mad)) {
CL_ASSERT(p_elem->send_context1 != NULL);
CL_ASSERT(p_elem->send_context2 == NULL);
p_old_madw = (osm_madw_t *) p_elem->send_context1;
p_old_vw = osm_madw_get_vend_ptr(p_old_madw);
p_new_madw = p_old_vw->p_resp_madw;
CL_ASSERT(p_new_madw);
osm_madw_init(p_new_madw, p_bind, p_elem->size, &mad_addr);
osm_madw_set_mad(p_new_madw, p_new_mad);
} else {
CL_ASSERT(p_elem->send_context1 == NULL);
CL_ASSERT(p_elem->send_context2 == NULL);
p_new_madw = osm_mad_pool_get_wrapper(p_bind->p_osm_pool,
p_bind, p_elem->size,
p_new_mad, &mad_addr);
}
CL_ASSERT(p_new_madw);
p_new_vw = osm_madw_get_vend_ptr(p_new_madw);
p_new_vw->h_bind = p_bind;
p_new_vw->size = p_elem->size;
p_new_vw->p_elem = p_elem;
p_new_vw->h_av = 0;
p_new_vw->p_resp_madw = NULL;
osm_log(p_vend->p_log, OSM_LOG_DEBUG,
"__osm_al_rcv_callback: "
"Calling receive callback function %p.\n",
p_bind->rcv_callback);
p_bind->rcv_callback(p_new_madw, p_bind->client_context,
p_elem->send_context1);
OSM_LOG_EXIT(p_vend->p_log);
}
