[v2,2/2] net/cnxk: support rte flow action type port ID

  From: Satheesh Paul <psatheesh@marvell.com>

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>
---
 doc/guides/nics/cnxk.rst          |  5 +++++
 doc/guides/nics/features/cnxk.ini |  1 +
 drivers/net/cnxk/cnxk_rte_flow.c  | 36 +++++++++++++++++++++++++++++++
 3 files changed, 42 insertions(+)
  

On Thu, Oct 21, 2021 at 10:41 AM <psatheesh@marvell.com> wrote:
>
> From: Satheesh Paul <psatheesh@marvell.com>
>
> 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>


Series Acked-by: Jerin Jacob <jerinj@marvell.com>
Series applied to dpdk-next-net-mrvl/for-next-net. Thanks.


> ---
>  doc/guides/nics/cnxk.rst          |  5 +++++
>  doc/guides/nics/features/cnxk.ini |  1 +
>  drivers/net/cnxk/cnxk_rte_flow.c  | 36 +++++++++++++++++++++++++++++++
>  3 files changed, 42 insertions(+)
>
> diff --git a/doc/guides/nics/cnxk.rst b/doc/guides/nics/cnxk.rst
> index d3d9682501..05c66d94b1 100644
> --- 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 f0586457ca..03af0da302 100644
> --- 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 ad89a2e105..dfc33ba865 100644
> --- 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;
> --
> 2.25.4
>