[dpdk-dev] [PATCH v2 1/1] net/octeontx2: skip flow control on lbk ports
vattunuru at marvell.com
vattunuru at marvell.com
Wed Oct 30 06:54:10 CET 2019
From: Vamsi Attunuru <vattunuru at 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 at marvell.com>
Signed-off-by: Vamsi Attunuru <vattunuru at marvell.com>
---
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
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