X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Focteontx2%2Fotx2_flow_ctrl.c;h=76bf48100183ec53051683a078f97165b4a4280f;hb=39e4a2577fd05199f53182b7c8509aeed40dc07f;hp=419ad972a5055362a4800ecf5071c5c502e113e1;hpb=8d0715f054b44750c2e1553d6af29487bcea25d8;p=dpdk.git diff --git a/drivers/net/octeontx2/otx2_flow_ctrl.c b/drivers/net/octeontx2/otx2_flow_ctrl.c index 419ad972a5..76bf481001 100644 --- a/drivers/net/octeontx2/otx2_flow_ctrl.c +++ b/drivers/net/octeontx2/otx2_flow_ctrl.c @@ -14,7 +14,7 @@ otx2_nix_rxchan_bpid_cfg(struct rte_eth_dev *eth_dev, bool enb) struct nix_bp_cfg_rsp *rsp; int rc; - if (otx2_dev_is_vf(dev)) + if (otx2_dev_is_sdp(dev)) return 0; if (enb) { @@ -53,8 +53,10 @@ otx2_nix_flow_ctrl_get(struct rte_eth_dev *eth_dev, struct otx2_mbox *mbox = dev->mbox; int rc; - if (otx2_dev_is_vf(dev)) - return -ENOTSUP; + 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; @@ -143,8 +145,10 @@ otx2_nix_flow_ctrl_set(struct rte_eth_dev *eth_dev, uint8_t tx_pause, rx_pause; int rc = 0; - if (otx2_dev_is_vf(dev)) + 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) { @@ -196,19 +200,18 @@ int otx2_nix_update_flow_ctrl_mode(struct rte_eth_dev *eth_dev) { struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev); + struct otx2_fc_info *fc = &dev->fc_info; struct rte_eth_fc_conf fc_conf; - if (otx2_dev_is_vf(dev)) + if (otx2_dev_is_lbk(dev) || otx2_dev_is_sdp(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. - */ - otx2_nix_flow_ctrl_get(eth_dev, &fc_conf); + fc_conf.mode = fc->mode; /* To avoid Link credit deadlock on Ax, disable Tx FC if it's enabled */ if (otx2_dev_is_Ax(dev) && + (dev->npc_flow.switch_header_type != OTX2_PRIV_FLAGS_HIGIG) && (fc_conf.mode == RTE_FC_FULL || fc_conf.mode == RTE_FC_RX_PAUSE)) { fc_conf.mode = (fc_conf.mode == RTE_FC_FULL || @@ -218,3 +221,32 @@ otx2_nix_update_flow_ctrl_mode(struct rte_eth_dev *eth_dev) return otx2_nix_flow_ctrl_set(eth_dev, &fc_conf); } + +int +otx2_nix_flow_ctrl_init(struct rte_eth_dev *eth_dev) +{ + struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev); + struct otx2_fc_info *fc = &dev->fc_info; + struct rte_eth_fc_conf fc_conf; + int rc; + + if (otx2_dev_is_lbk(dev) || otx2_dev_is_sdp(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. + */ + rc = otx2_nix_flow_ctrl_get(eth_dev, &fc_conf); + if (rc) + goto exit; + + fc->mode = fc_conf.mode; + fc->rx_pause = (fc_conf.mode == RTE_FC_FULL) || + (fc_conf.mode == RTE_FC_RX_PAUSE); + fc->tx_pause = (fc_conf.mode == RTE_FC_FULL) || + (fc_conf.mode == RTE_FC_TX_PAUSE); + +exit: + return rc; +}