int efx_vi_alloc(struct efx_vi_state **vih_out, int ifindex)
{
struct efx_vi_state *efx_state;
int rc;
efx_state = kmalloc(sizeof(struct efx_vi_state), GFP_KERNEL);
if (!efx_state) {
EFRM_ERR("%s: failed to allocate memory for efx_vi_state",
__func__);
rc = -ENOMEM;
goto fail;
}
efx_state->ifindex = ifindex;
rc = efrm_client_get(ifindex, NULL, NULL, &efx_state->efrm_client);
if (rc < 0) {
EFRM_ERR("%s: efrm_client_get(%d) failed: %d", __func__,
ifindex, rc);
rc = -ENODEV;
goto fail_no_ifindex;
}
efx_state->nic = efrm_client_get_nic(efx_state->efrm_client);
init_completion(&efx_state->flush_completion);
/* basically allocate_pt_endpoint() */
rc = alloc_ep(efx_state);
if (rc) {
EFRM_ERR("%s: alloc_ep failed: %d", __func__, rc);
goto fail_no_pt;
}
#if EFX_VI_STATIC_FILTERS
/* Statically allocate a set of filter resources - removes the
restriction on not being able to use efx_vi_filter() from
in_atomic() */
rc = efx_vi_alloc_static_filters(efx_state);
if (rc)
goto fail_no_filters;
#endif
*vih_out = efx_state;
return 0;
#if EFX_VI_STATIC_FILTERS
fail_no_filters:
free_ep(efx_state);
#endif
fail_no_pt:
efrm_client_put(efx_state->efrm_client);
fail_no_ifindex:
kfree(efx_state);
fail:
return rc;
}
static int
vi_set_rm_alloc(ci_resource_alloc_t* alloc_,
ci_resource_table_t* priv_opt,
efch_resource_t* rs, int intf_ver_id)
{
struct efch_vi_set_alloc* alloc = &alloc_->u.vi_set;
struct efrm_client *client;
struct efrm_vi_set* vi_set;
struct efrm_pd* pd;
unsigned vi_props;
int rc;
if( intf_ver_id >= 1 && alloc->in_pd_fd >= 0 ) {
struct efrm_resource* rs;
rc = efch_lookup_rs(alloc->in_pd_fd, alloc->in_pd_rs_id,
EFRM_RESOURCE_PD, &rs);
if( rc < 0 ) {
EFCH_ERR("%s: ERROR: could not find PD fd=%d id="EFCH_RESOURCE_ID_FMT
" rc=%d", __FUNCTION__, alloc->in_pd_fd,
EFCH_RESOURCE_ID_PRI_ARG(alloc->in_pd_rs_id), rc);
goto fail1;
}
pd = efrm_pd_from_resource(rs);
client = rs->rs_client;
efrm_client_add_ref(client);
}
else {
rc = efrm_client_get(alloc->in_ifindex, NULL, NULL, &client);
if( rc != 0 ) {
EFCH_ERR("%s: ERROR: ifindex=%d not found rc=%d",
__FUNCTION__, alloc->in_ifindex, rc);
goto fail1;
}
rc = efrm_pd_alloc(&pd, client, NULL/*vf_opt*/, 0/*phys_addr_mode*/);
if( rc != 0 ) {
EFCH_ERR("%s: ERROR: efrm_pd_alloc(ifindex=%d) failed (rc=%d)",
__FUNCTION__, alloc->in_ifindex, rc);
goto fail2;
}
}
vi_props = 0;
rc = efrm_vi_set_alloc(pd, alloc->in_n_vis, vi_props, &vi_set);
if( rc != 0 )
goto fail3;
efrm_client_put(client);
efrm_pd_release(pd);
efch_filter_list_init(&rs->vi_set.fl);
rs->vi_set.sniff_flags = 0;
rs->rs_base = efrm_vi_set_to_resource(vi_set);
return 0;
fail3:
efrm_pd_release(pd);
fail2:
efrm_client_put(client);
fail1:
return rc;
}
