From 0fe3f18f78d887ab8f4826aef3d0bf7bb396ba0e Mon Sep 17 00:00:00 2001 From: Viacheslav Ovsiienko Date: Wed, 27 Mar 2019 13:15:47 +0000 Subject: [PATCH] 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 Acked-by: Shahaf Shuler --- 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 d4a114999e..57847fb8d0 100644 --- 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 @@ flow_dv_translate(struct rte_eth_dev *dev, } 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;