[v2,1/1] net/octeontx2: skip flow control on lbk ports

Message ID 20191030055410.28395-1-vattunuru@marvell.com (mailing list archive)
State Accepted, archived
Delegated to: Jerin Jacob
Headers
Series [v2,1/1] net/octeontx2: skip flow control on lbk ports |

Checks

Context Check Description
ci/Intel-compilation fail Compilation issues
ci/iol-intel-Performance success Performance Testing PASS
ci/iol-compilation success Compile Testing PASS
ci/iol-mellanox-Performance success Performance Testing PASS
ci/travis-robot success Travis build: passed
ci/checkpatch success coding style OK

Commit Message

Vamsi Krishna Attunuru Oct. 30, 2019, 5:54 a.m. UTC
  From: Vamsi Attunuru <vattunuru@marvell.com>

LBK interface does not support any flow control related
HW configurations.

Skip flow control set requests on LBK bound ethports.

Signed-off-by: Harman Kalra <hkalra@marvell.com>
Signed-off-by: Vamsi Attunuru <vattunuru@marvell.com>
---
V2 change:
* Updated log type.

 drivers/net/octeontx2/otx2_flow_ctrl.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)
  

Comments

Jerin Jacob Oct. 30, 2019, 4:25 p.m. UTC | #1
On Wed, Oct 30, 2019 at 11:24 AM <vattunuru@marvell.com> wrote:
>
> From: Vamsi Attunuru <vattunuru@marvell.com>
>
> LBK interface does not support any flow control related
> HW configurations.
>
> Skip flow control set requests on LBK bound ethports.
>
> Signed-off-by: Harman Kalra <hkalra@marvell.com>
> Signed-off-by: Vamsi Attunuru <vattunuru@marvell.com>

Acked-by: Jerin Jacob <jerinj@marvell.com>

Applied to dpdk-next-net-mrvl/master. Thanks


> ---
> V2 change:
> * Updated log type.
>
>  drivers/net/octeontx2/otx2_flow_ctrl.c | 13 +++++++++++++
>  1 file changed, 13 insertions(+)
>
> diff --git a/drivers/net/octeontx2/otx2_flow_ctrl.c b/drivers/net/octeontx2/otx2_flow_ctrl.c
> index 1d00e46..1b84998 100644
> --- a/drivers/net/octeontx2/otx2_flow_ctrl.c
> +++ b/drivers/net/octeontx2/otx2_flow_ctrl.c
> @@ -50,6 +50,11 @@ otx2_nix_flow_ctrl_get(struct rte_eth_dev *eth_dev,
>         struct otx2_mbox *mbox = dev->mbox;
>         int rc;
>
> +       if (otx2_dev_is_lbk(dev)) {
> +               fc_conf->mode = RTE_FC_NONE;
> +               return 0;
> +       }
> +
>         req = otx2_mbox_alloc_msg_cgx_cfg_pause_frm(mbox);
>         req->set = 0;
>
> @@ -137,6 +142,11 @@ otx2_nix_flow_ctrl_set(struct rte_eth_dev *eth_dev,
>         uint8_t tx_pause, rx_pause;
>         int rc = 0;
>
> +       if (otx2_dev_is_lbk(dev)) {
> +               otx2_info("No flow control support for LBK bound ethports");
> +               return -ENOTSUP;
> +       }
> +
>         if (fc_conf->high_water || fc_conf->low_water || fc_conf->pause_time ||
>             fc_conf->mac_ctrl_frame_fwd || fc_conf->autoneg) {
>                 otx2_info("Flowctrl parameter is not supported");
> @@ -189,6 +199,9 @@ otx2_nix_update_flow_ctrl_mode(struct rte_eth_dev *eth_dev)
>         struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
>         struct rte_eth_fc_conf fc_conf;
>
> +       if (otx2_dev_is_lbk(dev))
> +               return 0;
> +
>         memset(&fc_conf, 0, sizeof(struct rte_eth_fc_conf));
>         /* Both Rx & Tx flow ctrl get enabled(RTE_FC_FULL) in HW
>          * by AF driver, update those info in PMD structure.
> --
> 2.8.4
>
  

Patch

diff --git a/drivers/net/octeontx2/otx2_flow_ctrl.c b/drivers/net/octeontx2/otx2_flow_ctrl.c
index 1d00e46..1b84998 100644
--- a/drivers/net/octeontx2/otx2_flow_ctrl.c
+++ b/drivers/net/octeontx2/otx2_flow_ctrl.c
@@ -50,6 +50,11 @@  otx2_nix_flow_ctrl_get(struct rte_eth_dev *eth_dev,
 	struct otx2_mbox *mbox = dev->mbox;
 	int rc;
 
+	if (otx2_dev_is_lbk(dev)) {
+		fc_conf->mode = RTE_FC_NONE;
+		return 0;
+	}
+
 	req = otx2_mbox_alloc_msg_cgx_cfg_pause_frm(mbox);
 	req->set = 0;
 
@@ -137,6 +142,11 @@  otx2_nix_flow_ctrl_set(struct rte_eth_dev *eth_dev,
 	uint8_t tx_pause, rx_pause;
 	int rc = 0;
 
+	if (otx2_dev_is_lbk(dev)) {
+		otx2_info("No flow control support for LBK bound ethports");
+		return -ENOTSUP;
+	}
+
 	if (fc_conf->high_water || fc_conf->low_water || fc_conf->pause_time ||
 	    fc_conf->mac_ctrl_frame_fwd || fc_conf->autoneg) {
 		otx2_info("Flowctrl parameter is not supported");
@@ -189,6 +199,9 @@  otx2_nix_update_flow_ctrl_mode(struct rte_eth_dev *eth_dev)
 	struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
 	struct rte_eth_fc_conf fc_conf;
 
+	if (otx2_dev_is_lbk(dev))
+		return 0;
+
 	memset(&fc_conf, 0, sizeof(struct rte_eth_fc_conf));
 	/* Both Rx & Tx flow ctrl get enabled(RTE_FC_FULL) in HW
 	 * by AF driver, update those info in PMD structure.