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;
}
/* Allocate a new cluster.
*
* You need to hold the thc_mutex before calling this.
*/
static int thc_alloc(const char* cluster_name, int protocol, int port_be16,
uid_t euid, int cluster_size,
unsigned flags,
tcp_helper_cluster_t** thc_out)
{
int rc, i;
int rss_flags;
struct efrm_pd* pd;
int packet_buffer_mode = flags & THC_FLAG_PACKET_BUFFER_MODE;
int tproxy = flags & THC_FLAG_TPROXY;
int hw_loopback_enable = flags & THC_FLAG_HW_LOOPBACK_ENABLE;
tcp_helper_cluster_t* thc = kmalloc(sizeof(*thc), GFP_KERNEL);
if( thc == NULL )
return -ENOMEM;
memset(thc, 0, sizeof(*thc));
ci_dllist_init(&thc->thc_tlos);
strcpy(thc->thc_name, cluster_name);
thc->thc_cluster_size = cluster_size;
thc->thc_euid = euid;
thc->thc_flags = flags;
/* Needed to protect against oo_nics changes */
rtnl_lock();
for( i = 0; i < CI_CFG_MAX_REGISTER_INTERFACES; ++i ) {
if( oo_nics[i].efrm_client == NULL ||
! oo_check_nic_suitable_for_onload(&(oo_nics[i])) )
continue;
if( (rc = efrm_pd_alloc(&pd, oo_nics[i].efrm_client, NULL,
(packet_buffer_mode ? EFRM_PD_ALLOC_FLAG_PHYS_ADDR_MODE : 0) |
(hw_loopback_enable ? EFRM_PD_ALLOC_FLAG_HW_LOOPBACK : 0))) )
goto fail;
/*
* Currently we move on if we fail to get special tproxy RSS_MODE on
* interface(s) (expect Siena, Huntington old fw, run out of rss contexts).
*/
rss_flags = tproxy ? EFRM_RSS_MODE_DST | EFRM_RSS_MODE_SRC :
EFRM_RSS_MODE_DEFAULT;
redo:
rc = efrm_vi_set_alloc(pd, thc->thc_cluster_size, 0,
rss_flags, &thc->thc_vi_set[i]);
if( rc != 0 && rss_flags ) {
LOG_E(ci_log("Installing special RSS mode filter failed on hwport %d, "
"falling back to default mode. Transparent proxy will not "
"work with this interface.", i));
rss_flags = 0;
goto redo;
}
efrm_pd_release(pd);
if( rc != 0 )
goto fail;
}
rtnl_unlock();
thc->thc_next = thc_head;
thc_head = thc;
*thc_out = thc;
return 0;
fail:
rtnl_unlock();
for( i = 0; i < CI_CFG_MAX_REGISTER_INTERFACES; ++i )
if( thc->thc_vi_set[i] != NULL )
efrm_vi_set_release(thc->thc_vi_set[i]);
kfree(thc);
return rc;
}
