[dpdk-dev] [PATCH v3 13/13] net/mlx5: add source vport match to the ingress rules
Viacheslav Ovsiienko
viacheslavo at mellanox.com
Tue Mar 26 16:35:22 CET 2019
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 at mellanox.com>
---
drivers/net/mlx5/mlx5_flow_dv.c | 36 ++++++++++++++++++++++++++++++++++++
1 file changed, 36 insertions(+)
diff --git a/drivers/net/mlx5/mlx5_flow_dv.c b/drivers/net/mlx5/mlx5_flow_dv.c
index b8943da..71a626b 100644
--- a/drivers/net/mlx5/mlx5_flow_dv.c
+++ b/drivers/net/mlx5/mlx5_flow_dv.c
@@ -3095,6 +3095,29 @@ struct field_modify_info modify_tcp[] = {
}
/**
+ * 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.
*
* @param[in] dev
@@ -3389,6 +3412,19 @@ struct field_modify_info modify_tcp[] = {
}
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;
--
1.8.3.1
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