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net/octeontx2: skip flow control on LBK ports

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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>
This commit is contained in:
Vamsi Attunuru 2019-10-30 11:24:10 +05:30 committed by Ferruh Yigit
parent 25c6855d41
commit 8f3afc1359
1 changed files with 13 additions and 0 deletions
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13
drivers/net/octeontx2/otx2_flow_ctrl.c
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@ -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.