From: Ivan Malov <ivan.malov@oktetlabs.ru>
Date: Tue, 20 Oct 2020 09:13:17 +0000 (+0100)
Subject: net/sfc: support flow actions PF and VF in transfer rules
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=70f3cadce6fac767cd8c440c5217edc394f28425;p=dpdk.git

net/sfc: support flow actions PF and VF in transfer rules

The action handler will use MAE action DELIVER with MPORT of the PF/VF.

Signed-off-by: Ivan Malov <ivan.malov@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andy Moreton <amoreton@xilinx.com>
---

diff --git a/doc/guides/nics/sfc_efx.rst b/doc/guides/nics/sfc_efx.rst
index f1489bea66..da4a096ac6 100644
--- a/doc/guides/nics/sfc_efx.rst
+++ b/doc/guides/nics/sfc_efx.rst
@@ -214,6 +214,10 @@ Supported actions (***transfer*** rules):
 
 - PHY_PORT
 
+- PF
+
+- VF
+
 Validating flow rules depends on the firmware variant.
 
 The :ref:`flow_isolated_mode` is supported.
diff --git a/drivers/net/sfc/sfc_mae.c b/drivers/net/sfc/sfc_mae.c
index 7d1a3b5999..ff21351152 100644
--- a/drivers/net/sfc/sfc_mae.c
+++ b/drivers/net/sfc/sfc_mae.c
@@ -734,6 +734,30 @@ sfc_mae_rule_parse_action_phy_port(struct sfc_adapter *sa,
 	return efx_mae_action_set_populate_deliver(spec, &mport);
 }
 
+static int
+sfc_mae_rule_parse_action_pf_vf(struct sfc_adapter *sa,
+				const struct rte_flow_action_vf *vf_conf,
+				efx_mae_actions_t *spec)
+{
+	const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
+	efx_mport_sel_t mport;
+	uint32_t vf;
+	int rc;
+
+	if (vf_conf == NULL)
+		vf = EFX_PCI_VF_INVALID;
+	else if (vf_conf->original != 0)
+		vf = encp->enc_vf;
+	else
+		vf = vf_conf->id;
+
+	rc = efx_mae_mport_by_pcie_function(encp->enc_pf, vf, &mport);
+	if (rc != 0)
+		return rc;
+
+	return efx_mae_action_set_populate_deliver(spec, &mport);
+}
+
 static int
 sfc_mae_rule_parse_action(struct sfc_adapter *sa,
 			  const struct rte_flow_action *action,
@@ -779,6 +803,16 @@ sfc_mae_rule_parse_action(struct sfc_adapter *sa,
 				       bundle->actions_mask);
 		rc = sfc_mae_rule_parse_action_phy_port(sa, action->conf, spec);
 		break;
+	case RTE_FLOW_ACTION_TYPE_PF:
+		SFC_BUILD_SET_OVERFLOW(RTE_FLOW_ACTION_TYPE_PF,
+				       bundle->actions_mask);
+		rc = sfc_mae_rule_parse_action_pf_vf(sa, NULL, spec);
+		break;
+	case RTE_FLOW_ACTION_TYPE_VF:
+		SFC_BUILD_SET_OVERFLOW(RTE_FLOW_ACTION_TYPE_VF,
+				       bundle->actions_mask);
+		rc = sfc_mae_rule_parse_action_pf_vf(sa, action->conf, spec);
+		break;
 	default:
 		return rte_flow_error_set(error, ENOTSUP,
 				RTE_FLOW_ERROR_TYPE_ACTION, NULL,