New upstream version 18.11-rc1
[deb_dpdk.git] / drivers / net / bonding / rte_eth_bond_api.c
index 8bc04cf..21bcd50 100644 (file)
@@ -245,9 +245,9 @@ slave_rte_flow_prepare(uint16_t slave_id, struct bond_dev_private *internals)
        }
        TAILQ_FOREACH(flow, &internals->flow_list, next) {
                flow->flows[slave_id] = rte_flow_create(slave_port_id,
-                                                       &flow->fd->attr,
-                                                       flow->fd->items,
-                                                       flow->fd->actions,
+                                                       flow->rule.attr,
+                                                       flow->rule.pattern,
+                                                       flow->rule.actions,
                                                        &ferror);
                if (flow->flows[slave_id] == NULL) {
                        RTE_BOND_LOG(ERR, "Cannot create flow for slave"
@@ -269,6 +269,173 @@ slave_rte_flow_prepare(uint16_t slave_id, struct bond_dev_private *internals)
        return 0;
 }
 
+static void
+eth_bond_slave_inherit_dev_info_rx_first(struct bond_dev_private *internals,
+                                        const struct rte_eth_dev_info *di)
+{
+       struct rte_eth_rxconf *rxconf_i = &internals->default_rxconf;
+
+       internals->reta_size = di->reta_size;
+
+       /* Inherit Rx offload capabilities from the first slave device */
+       internals->rx_offload_capa = di->rx_offload_capa;
+       internals->rx_queue_offload_capa = di->rx_queue_offload_capa;
+       internals->flow_type_rss_offloads = di->flow_type_rss_offloads;
+
+       /* Inherit maximum Rx packet size from the first slave device */
+       internals->candidate_max_rx_pktlen = di->max_rx_pktlen;
+
+       /* Inherit default Rx queue settings from the first slave device */
+       memcpy(rxconf_i, &di->default_rxconf, sizeof(*rxconf_i));
+
+       /*
+        * Turn off descriptor prefetch and writeback by default for all
+        * slave devices. Applications may tweak this setting if need be.
+        */
+       rxconf_i->rx_thresh.pthresh = 0;
+       rxconf_i->rx_thresh.hthresh = 0;
+       rxconf_i->rx_thresh.wthresh = 0;
+
+       /* Setting this to zero should effectively enable default values */
+       rxconf_i->rx_free_thresh = 0;
+
+       /* Disable deferred start by default for all slave devices */
+       rxconf_i->rx_deferred_start = 0;
+}
+
+static void
+eth_bond_slave_inherit_dev_info_tx_first(struct bond_dev_private *internals,
+                                        const struct rte_eth_dev_info *di)
+{
+       struct rte_eth_txconf *txconf_i = &internals->default_txconf;
+
+       /* Inherit Tx offload capabilities from the first slave device */
+       internals->tx_offload_capa = di->tx_offload_capa;
+       internals->tx_queue_offload_capa = di->tx_queue_offload_capa;
+
+       /* Inherit default Tx queue settings from the first slave device */
+       memcpy(txconf_i, &di->default_txconf, sizeof(*txconf_i));
+
+       /*
+        * Turn off descriptor prefetch and writeback by default for all
+        * slave devices. Applications may tweak this setting if need be.
+        */
+       txconf_i->tx_thresh.pthresh = 0;
+       txconf_i->tx_thresh.hthresh = 0;
+       txconf_i->tx_thresh.wthresh = 0;
+
+       /*
+        * Setting these parameters to zero assumes that default
+        * values will be configured implicitly by slave devices.
+        */
+       txconf_i->tx_free_thresh = 0;
+       txconf_i->tx_rs_thresh = 0;
+
+       /* Disable deferred start by default for all slave devices */
+       txconf_i->tx_deferred_start = 0;
+}
+
+static void
+eth_bond_slave_inherit_dev_info_rx_next(struct bond_dev_private *internals,
+                                       const struct rte_eth_dev_info *di)
+{
+       struct rte_eth_rxconf *rxconf_i = &internals->default_rxconf;
+       const struct rte_eth_rxconf *rxconf = &di->default_rxconf;
+
+       internals->rx_offload_capa &= di->rx_offload_capa;
+       internals->rx_queue_offload_capa &= di->rx_queue_offload_capa;
+       internals->flow_type_rss_offloads &= di->flow_type_rss_offloads;
+
+       /*
+        * If at least one slave device suggests enabling this
+        * setting by default, enable it for all slave devices
+        * since disabling it may not be necessarily supported.
+        */
+       if (rxconf->rx_drop_en == 1)
+               rxconf_i->rx_drop_en = 1;
+
+       /*
+        * Adding a new slave device may cause some of previously inherited
+        * offloads to be withdrawn from the internal rx_queue_offload_capa
+        * value. Thus, the new internal value of default Rx queue offloads
+        * has to be masked by rx_queue_offload_capa to make sure that only
+        * commonly supported offloads are preserved from both the previous
+        * value and the value being inhereted from the new slave device.
+        */
+       rxconf_i->offloads = (rxconf_i->offloads | rxconf->offloads) &
+                            internals->rx_queue_offload_capa;
+
+       /*
+        * RETA size is GCD of all slaves RETA sizes, so, if all sizes will be
+        * the power of 2, the lower one is GCD
+        */
+       if (internals->reta_size > di->reta_size)
+               internals->reta_size = di->reta_size;
+
+       if (!internals->max_rx_pktlen &&
+           di->max_rx_pktlen < internals->candidate_max_rx_pktlen)
+               internals->candidate_max_rx_pktlen = di->max_rx_pktlen;
+}
+
+static void
+eth_bond_slave_inherit_dev_info_tx_next(struct bond_dev_private *internals,
+                                       const struct rte_eth_dev_info *di)
+{
+       struct rte_eth_txconf *txconf_i = &internals->default_txconf;
+       const struct rte_eth_txconf *txconf = &di->default_txconf;
+
+       internals->tx_offload_capa &= di->tx_offload_capa;
+       internals->tx_queue_offload_capa &= di->tx_queue_offload_capa;
+
+       /*
+        * Adding a new slave device may cause some of previously inherited
+        * offloads to be withdrawn from the internal tx_queue_offload_capa
+        * value. Thus, the new internal value of default Tx queue offloads
+        * has to be masked by tx_queue_offload_capa to make sure that only
+        * commonly supported offloads are preserved from both the previous
+        * value and the value being inhereted from the new slave device.
+        */
+       txconf_i->offloads = (txconf_i->offloads | txconf->offloads) &
+                            internals->tx_queue_offload_capa;
+}
+
+static void
+eth_bond_slave_inherit_desc_lim_first(struct rte_eth_desc_lim *bond_desc_lim,
+               const struct rte_eth_desc_lim *slave_desc_lim)
+{
+       memcpy(bond_desc_lim, slave_desc_lim, sizeof(*bond_desc_lim));
+}
+
+static int
+eth_bond_slave_inherit_desc_lim_next(struct rte_eth_desc_lim *bond_desc_lim,
+               const struct rte_eth_desc_lim *slave_desc_lim)
+{
+       bond_desc_lim->nb_max = RTE_MIN(bond_desc_lim->nb_max,
+                                       slave_desc_lim->nb_max);
+       bond_desc_lim->nb_min = RTE_MAX(bond_desc_lim->nb_min,
+                                       slave_desc_lim->nb_min);
+       bond_desc_lim->nb_align = RTE_MAX(bond_desc_lim->nb_align,
+                                         slave_desc_lim->nb_align);
+
+       if (bond_desc_lim->nb_min > bond_desc_lim->nb_max ||
+           bond_desc_lim->nb_align > bond_desc_lim->nb_max) {
+               RTE_BOND_LOG(ERR, "Failed to inherit descriptor limits");
+               return -EINVAL;
+       }
+
+       /* Treat maximum number of segments equal to 0 as unspecified */
+       if (slave_desc_lim->nb_seg_max != 0 &&
+           (bond_desc_lim->nb_seg_max == 0 ||
+            slave_desc_lim->nb_seg_max < bond_desc_lim->nb_seg_max))
+               bond_desc_lim->nb_seg_max = slave_desc_lim->nb_seg_max;
+       if (slave_desc_lim->nb_mtu_seg_max != 0 &&
+           (bond_desc_lim->nb_mtu_seg_max == 0 ||
+            slave_desc_lim->nb_mtu_seg_max < bond_desc_lim->nb_mtu_seg_max))
+               bond_desc_lim->nb_mtu_seg_max = slave_desc_lim->nb_mtu_seg_max;
+
+       return 0;
+}
+
 static int
 __eth_bond_slave_add_lock_free(uint16_t bonded_port_id, uint16_t slave_port_id)
 {
@@ -326,34 +493,28 @@ __eth_bond_slave_add_lock_free(uint16_t bonded_port_id, uint16_t slave_port_id)
                internals->nb_rx_queues = slave_eth_dev->data->nb_rx_queues;
                internals->nb_tx_queues = slave_eth_dev->data->nb_tx_queues;
 
-               internals->reta_size = dev_info.reta_size;
+               eth_bond_slave_inherit_dev_info_rx_first(internals, &dev_info);
+               eth_bond_slave_inherit_dev_info_tx_first(internals, &dev_info);
 
-               /* Take the first dev's offload capabilities */
-               internals->rx_offload_capa = dev_info.rx_offload_capa;
-               internals->tx_offload_capa = dev_info.tx_offload_capa;
-               internals->rx_queue_offload_capa = dev_info.rx_queue_offload_capa;
-               internals->tx_queue_offload_capa = dev_info.tx_queue_offload_capa;
-               internals->flow_type_rss_offloads = dev_info.flow_type_rss_offloads;
+               eth_bond_slave_inherit_desc_lim_first(&internals->rx_desc_lim,
+                                                     &dev_info.rx_desc_lim);
+               eth_bond_slave_inherit_desc_lim_first(&internals->tx_desc_lim,
+                                                     &dev_info.tx_desc_lim);
+       } else {
+               int ret;
 
-               /* Inherit first slave's max rx packet size */
-               internals->candidate_max_rx_pktlen = dev_info.max_rx_pktlen;
+               eth_bond_slave_inherit_dev_info_rx_next(internals, &dev_info);
+               eth_bond_slave_inherit_dev_info_tx_next(internals, &dev_info);
 
-       } else {
-               internals->rx_offload_capa &= dev_info.rx_offload_capa;
-               internals->tx_offload_capa &= dev_info.tx_offload_capa;
-               internals->rx_queue_offload_capa &= dev_info.rx_queue_offload_capa;
-               internals->tx_queue_offload_capa &= dev_info.tx_queue_offload_capa;
-               internals->flow_type_rss_offloads &= dev_info.flow_type_rss_offloads;
-
-               /* RETA size is GCD of all slaves RETA sizes, so, if all sizes will be
-                * the power of 2, the lower one is GCD
-                */
-               if (internals->reta_size > dev_info.reta_size)
-                       internals->reta_size = dev_info.reta_size;
+               ret = eth_bond_slave_inherit_desc_lim_next(
+                               &internals->rx_desc_lim, &dev_info.rx_desc_lim);
+               if (ret != 0)
+                       return ret;
 
-               if (!internals->max_rx_pktlen &&
-                   dev_info.max_rx_pktlen < internals->candidate_max_rx_pktlen)
-                       internals->candidate_max_rx_pktlen = dev_info.max_rx_pktlen;
+               ret = eth_bond_slave_inherit_desc_lim_next(
+                               &internals->tx_desc_lim, &dev_info.tx_desc_lim);
+               if (ret != 0)
+                       return ret;
        }
 
        bonded_eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf &=