New upstream version 17.11-rc3
[deb_dpdk.git] / drivers / net / mlx5 / mlx5_vlan.c
index 1b0fa40..6fc315e 100644 (file)
 #include <assert.h>
 #include <stdint.h>
 
-/* DPDK headers don't like -pedantic. */
-#ifdef PEDANTIC
-#pragma GCC diagnostic ignored "-Wpedantic"
-#endif
 #include <rte_ethdev.h>
 #include <rte_common.h>
-#ifdef PEDANTIC
-#pragma GCC diagnostic error "-Wpedantic"
-#endif
 
 #include "mlx5_utils.h"
 #include "mlx5.h"
 #include "mlx5_autoconf.h"
 
 /**
- * Configure a VLAN filter.
+ * DPDK callback to configure a VLAN filter.
  *
  * @param dev
  *   Pointer to Ethernet device structure.
  *   Toggle filter.
  *
  * @return
- *   0 on success, errno value on failure.
+ *   0 on success, negative errno value on failure.
  */
-static int
-vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
+int
+mlx5_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
 {
        struct priv *priv = dev->data->dev_private;
        unsigned int i;
+       int ret = 0;
 
+       priv_lock(priv);
        DEBUG("%p: %s VLAN filter ID %" PRIu16,
              (void *)dev, (on ? "enable" : "disable"), vlan_id);
        assert(priv->vlan_filter_n <= RTE_DIM(priv->vlan_filter));
@@ -76,13 +71,15 @@ vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
                if (priv->vlan_filter[i] == vlan_id)
                        break;
        /* Check if there's room for another VLAN filter. */
-       if (i == RTE_DIM(priv->vlan_filter))
-               return ENOMEM;
+       if (i == RTE_DIM(priv->vlan_filter)) {
+               ret = -ENOMEM;
+               goto out;
+       }
        if (i < priv->vlan_filter_n) {
                assert(priv->vlan_filter_n != 0);
                /* Enabling an existing VLAN filter has no effect. */
                if (on)
-                       return 0;
+                       goto out;
                /* Remove VLAN filter from list. */
                --priv->vlan_filter_n;
                memmove(&priv->vlan_filter[i],
@@ -94,41 +91,16 @@ vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
                assert(i == priv->vlan_filter_n);
                /* Disabling an unknown VLAN filter has no effect. */
                if (!on)
-                       return 0;
+                       goto out;
                /* Add new VLAN filter. */
                priv->vlan_filter[priv->vlan_filter_n] = vlan_id;
                ++priv->vlan_filter_n;
        }
-       /* Rehash flows in all hash RX queues. */
-       priv_mac_addrs_disable(priv);
-       priv_special_flow_disable_all(priv);
-       return priv_rehash_flows(priv);
-}
-
-/**
- * DPDK callback to configure a VLAN filter.
- *
- * @param dev
- *   Pointer to Ethernet device structure.
- * @param vlan_id
- *   VLAN ID to filter.
- * @param on
- *   Toggle filter.
- *
- * @return
- *   0 on success, negative errno value on failure.
- */
-int
-mlx5_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
-{
-       struct priv *priv = dev->data->dev_private;
-       int ret;
-
-       priv_lock(priv);
-       ret = vlan_filter_set(dev, vlan_id, on);
+       if (dev->data->dev_started)
+               priv_dev_traffic_restart(priv, dev);
+out:
        priv_unlock(priv);
-       assert(ret >= 0);
-       return -ret;
+       return ret;
 }
 
 /**
@@ -144,22 +116,24 @@ mlx5_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
 static void
 priv_vlan_strip_queue_set(struct priv *priv, uint16_t idx, int on)
 {
-       struct rxq *rxq = (*priv->rxqs)[idx];
-       struct rxq_ctrl *rxq_ctrl = container_of(rxq, struct rxq_ctrl, rxq);
-       struct ibv_exp_wq_attr mod;
+       struct mlx5_rxq_data *rxq = (*priv->rxqs)[idx];
+       struct mlx5_rxq_ctrl *rxq_ctrl =
+               container_of(rxq, struct mlx5_rxq_ctrl, rxq);
+       struct ibv_wq_attr mod;
        uint16_t vlan_offloads =
-               (on ? IBV_EXP_RECEIVE_WQ_CVLAN_STRIP : 0) |
+               (on ? IBV_WQ_FLAGS_CVLAN_STRIPPING : 0) |
                0;
        int err;
 
        DEBUG("set VLAN offloads 0x%x for port %d queue %d",
              vlan_offloads, rxq->port_id, idx);
-       mod = (struct ibv_exp_wq_attr){
-               .attr_mask = IBV_EXP_WQ_ATTR_VLAN_OFFLOADS,
-               .vlan_offloads = vlan_offloads,
+       mod = (struct ibv_wq_attr){
+               .attr_mask = IBV_WQ_ATTR_FLAGS,
+               .flags_mask = IBV_WQ_FLAGS_CVLAN_STRIPPING,
+               .flags = vlan_offloads,
        };
 
-       err = ibv_exp_modify_wq(rxq_ctrl->wq, &mod);
+       err = ibv_modify_wq(rxq_ctrl->ibv->wq, &mod);
        if (err) {
                ERROR("%p: failed to modified stripping mode: %s",
                      (void *)priv, strerror(err));
@@ -210,7 +184,7 @@ mlx5_vlan_strip_queue_set(struct rte_eth_dev *dev, uint16_t queue, int on)
  * @param mask
  *   VLAN offload bit mask.
  */
-void
+int
 mlx5_vlan_offload_set(struct rte_eth_dev *dev, int mask)
 {
        struct priv *priv = dev->data->dev_private;
@@ -221,7 +195,7 @@ mlx5_vlan_offload_set(struct rte_eth_dev *dev, int mask)
 
                if (!priv->hw_vlan_strip) {
                        ERROR("VLAN stripping is not supported");
-                       return;
+                       return 0;
                }
 
                /* Run on every RX queue and set/reset VLAN stripping. */
@@ -230,4 +204,6 @@ mlx5_vlan_offload_set(struct rte_eth_dev *dev, int mask)
                        priv_vlan_strip_queue_set(priv, i, hw_vlan_strip);
                priv_unlock(priv);
        }
+
+       return 0;
 }