From 8f3afc1359bd2654704ad19fd21891d3d5296ee9 Mon Sep 17 00:00:00 2001 From: Vamsi Attunuru Date: Wed, 30 Oct 2019 11:24:10 +0530 Subject: [PATCH] net/octeontx2: skip flow control on LBK ports 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 Signed-off-by: Vamsi Attunuru Acked-by: Jerin Jacob --- 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 1d00e46876..1b84998c62 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. -- 2.20.1