net/mlx5: add source vport match to the ingress rules

For E-Switch configurations over multiport Infiniband devices
we should add source vport match to correctly distribute
traffic between representors.

Signed-off-by: Viacheslav Ovsiienko <viacheslavo@mellanox.com>
Acked-by: Shahaf Shuler <shahafs@mellanox.com>

diff --git a/drivers/net/mlx5/mlx5_flow_dv.c b/drivers/net/mlx5/mlx5_flow_dv.c
index d4a1149..57847fb 100644 (file)
--- a/drivers/net/mlx5/mlx5_flow_dv.c
+++ b/drivers/net/mlx5/mlx5_flow_dv.c
@@ -2804,6 +2804,29 @@ flow_dv_matcher_register(struct rte_eth_dev *dev,
        return 0;
 }
 
+/**
+ * Add source vport match to the specified matcher.
+ *
+ * @param[in, out] matcher
+ *   Flow matcher.
+ * @param[in, out] key
+ *   Flow matcher value.
+ * @param[in] port
+ *   Source vport value to match
+ * @param[in] mask
+ *   Mask
+ */
+static void
+flow_dv_translate_source_vport(void *matcher, void *key,
+                             int16_t port, uint16_t mask)
+{
+       void *misc_m = MLX5_ADDR_OF(fte_match_param, matcher, misc_parameters);
+       void *misc_v = MLX5_ADDR_OF(fte_match_param, key, misc_parameters);
+
+       MLX5_SET(fte_match_set_misc, misc_m, source_port, mask);
+       MLX5_SET(fte_match_set_misc, misc_v, source_port, port);
+}
+
 /**
  * Fill the flow with DV spec.
  *
@@ -3088,6 +3111,19 @@ cnt_err:
        }
        dev_flow->dv.actions_n = actions_n;
        flow->actions = action_flags;
+       if (attr->ingress && !attr->transfer &&
+           (priv->representor || priv->master)) {
+               /* It was validated - we support unidirection flows only. */
+               assert(!attr->egress);
+               /*
+                * Add matching on source vport index only
+                * for ingress rules in E-Switch configurations.
+                */
+               flow_dv_translate_source_vport(matcher.mask.buf,
+                                              dev_flow->dv.value.buf,
+                                              priv->vport_id,
+                                              0xffff);
+       }
        for (; items->type != RTE_FLOW_ITEM_TYPE_END; items++) {
                int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
                void *match_mask = matcher.mask.buf;