cxgb4: when max_tx_rate is 0 disable tx rate limiting (b5e281ab) · Commits · 戴 / test

drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c

+23 −2

Original line number	Diff line number	Diff line
		@@ -2749,6 +2749,27 @@ static int cxgb4_mgmt_set_vf_rate(struct net_device *dev, int vf,
		return -EINVAL;
		}

		if (max_tx_rate == 0) {
		/* unbind VF to to any Traffic Class */
		fw_pfvf =
		(FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_PFVF) \|
		FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_PFVF_SCHEDCLASS_ETH));
		fw_class = 0xffffffff;
		ret = t4_set_params(adap, adap->mbox, adap->pf, vf + 1, 1,
		&fw_pfvf, &fw_class);
		if (ret) {
		dev_err(adap->pdev_dev,
		"Err %d in unbinding PF %d VF %d from TX Rate Limiting\n",
		ret, adap->pf, vf);
		return -EINVAL;
		}
		dev_info(adap->pdev_dev,
		"PF %d VF %d is unbound from TX Rate Limiting\n",
		adap->pf, vf);
		adap->vfinfo[vf].tx_rate = 0;
		return 0;
		}

		ret = t4_get_link_params(pi, &link_ok, &speed, &mtu);
		if (ret != FW_SUCCESS) {
		dev_err(adap->pdev_dev,
		@@ -2798,8 +2819,8 @@ static int cxgb4_mgmt_set_vf_rate(struct net_device *dev, int vf,
		&fw_class);
		if (ret) {
		dev_err(adap->pdev_dev,
		"Err %d in binding VF %d to Traffic Class %d\n",
		ret, vf, class_id);
		"Err %d in binding PF %d VF %d to Traffic Class %d\n",
		ret, adap->pf, vf, class_id);
		return -EINVAL;
		}
		dev_info(adap->pdev_dev, "PF %d VF %d is bound to Class %d\n",