net/cnxk: support port ID flow action

This patch adds support for rte flow action type port_id to
enable directing packets from an input port PF to an output
port which is a VF of the input port PF.

Signed-off-by: Satheesh Paul <psatheesh@marvell.com>
Acked-by: Jerin Jacob <jerinj@marvell.com>

diff --git a/doc/guides/nics/cnxk.rst b/doc/guides/nics/cnxk.rst
index 4d32a59..837ffc0 100644 (file)
--- a/doc/guides/nics/cnxk.rst
+++ b/doc/guides/nics/cnxk.rst
@@ -305,6 +305,11 @@ RTE flow GRE support
 - ``RTE_FLOW_ITEM_TYPE_GRE_KEY`` works only when checksum and routing
   bits in the GRE header are equal to 0.
 
+RTE flow action port_id support
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+- ``RTE_FLOW_ACTION_TYPE_PORT_ID`` is only supported between PF and its VFs.
+
 Custom protocols supported in RTE Flow
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 

diff --git a/doc/guides/nics/features/cnxk.ini b/doc/guides/nics/features/cnxk.ini
index f058645..03af0da 100644 (file)
--- a/doc/guides/nics/features/cnxk.ini
+++ b/doc/guides/nics/features/cnxk.ini
@@ -85,6 +85,7 @@ of_push_vlan         = Y
 of_set_vlan_pcp      = Y
 of_set_vlan_vid      = Y
 pf                   = Y
+port_id              = Y
 queue                = Y
 rss                  = Y
 security             = Y

diff --git a/drivers/net/cnxk/cnxk_rte_flow.c b/drivers/net/cnxk/cnxk_rte_flow.c
index ad89a2e..dfc33ba 100644 (file)
--- a/drivers/net/cnxk/cnxk_rte_flow.c
+++ b/drivers/net/cnxk/cnxk_rte_flow.c
@@ -110,7 +110,13 @@ cnxk_map_actions(struct rte_eth_dev *eth_dev, const struct rte_flow_attr *attr,
                 struct roc_npc_action in_actions[], uint32_t *flowkey_cfg)
 {
        struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+       const struct rte_flow_action_port_id *port_act;
        const struct rte_flow_action_queue *act_q;
+       struct roc_npc *roc_npc_src = &dev->npc;
+       struct rte_eth_dev *portid_eth_dev;
+       char if_name[RTE_ETH_NAME_MAX_LEN];
+       struct cnxk_eth_dev *hw_dst;
+       struct roc_npc *roc_npc_dst;
        int i = 0, rc = 0;
        int rq;
 
@@ -146,6 +152,36 @@ cnxk_map_actions(struct rte_eth_dev *eth_dev, const struct rte_flow_attr *attr,
                        in_actions[i].conf = actions->conf;
                        break;
 
+               case RTE_FLOW_ACTION_TYPE_PORT_ID:
+                       in_actions[i].type = ROC_NPC_ACTION_TYPE_PORT_ID;
+                       in_actions[i].conf = actions->conf;
+                       port_act = (const struct rte_flow_action_port_id *)
+                                          actions->conf;
+                       if (rte_eth_dev_get_name_by_port(port_act->id,
+                                                        if_name)) {
+                               plt_err("Name not found for output port id");
+                               goto err_exit;
+                       }
+                       portid_eth_dev = rte_eth_dev_allocated(if_name);
+                       if (!portid_eth_dev) {
+                               plt_err("eth_dev not found for output port id");
+                               goto err_exit;
+                       }
+                       if (strcmp(portid_eth_dev->device->driver->name,
+                                  eth_dev->device->driver->name) != 0) {
+                               plt_err("Output port not under same driver");
+                               goto err_exit;
+                       }
+                       hw_dst = portid_eth_dev->data->dev_private;
+                       roc_npc_dst = &hw_dst->npc;
+
+                       rc = roc_npc_validate_portid_action(roc_npc_src,
+                                                           roc_npc_dst);
+
+                       if (rc)
+                               goto err_exit;
+                       break;
+
                case RTE_FLOW_ACTION_TYPE_QUEUE:
                        act_q = (const struct rte_flow_action_queue *)
                                        actions->conf;