C++ (Cpp) ixgbe_dcb_hw_ets Exemples

Exemple #1

Fichier : ixgbe_dcb_nl.c Projet : spacex/kernel-centos7

static int ixgbe_dcbnl_ieee_setets(struct net_device *dev,
				   struct ieee_ets *ets)
{
	struct ixgbe_adapter *adapter = netdev_priv(dev);
	int max_frame = dev->mtu + ETH_HLEN + ETH_FCS_LEN;
	int i, err = 0;
	__u8 max_tc = 0;
	__u8 map_chg = 0;

	if (!(adapter->dcbx_cap & DCB_CAP_DCBX_VER_IEEE))
		return -EINVAL;

	if (!adapter->ixgbe_ieee_ets) {
		adapter->ixgbe_ieee_ets = kmalloc(sizeof(struct ieee_ets),
						  GFP_KERNEL);
		if (!adapter->ixgbe_ieee_ets)
			return -ENOMEM;

		/* initialize UP2TC mappings to invalid value */
		for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++)
			adapter->ixgbe_ieee_ets->prio_tc[i] =
				IEEE_8021QAZ_MAX_TCS;
		/* if possible update UP2TC mappings from HW */
		ixgbe_dcb_read_rtrup2tc(&adapter->hw,
					adapter->ixgbe_ieee_ets->prio_tc);
	}

	for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
		if (ets->prio_tc[i] > max_tc)
			max_tc = ets->prio_tc[i];
		if (ets->prio_tc[i] != adapter->ixgbe_ieee_ets->prio_tc[i])
			map_chg = 1;
	}

	memcpy(adapter->ixgbe_ieee_ets, ets, sizeof(*adapter->ixgbe_ieee_ets));

	if (max_tc)
		max_tc++;

	if (max_tc > adapter->dcb_cfg.num_tcs.pg_tcs)
		return -EINVAL;

	if (max_tc != netdev_get_num_tc(dev))
		err = ixgbe_setup_tc(dev, max_tc);
	else if (map_chg)
		ixgbe_dcbnl_devreset(dev);

	if (err)
		goto err_out;

	err = ixgbe_dcb_hw_ets(&adapter->hw, ets, max_frame);
err_out:
	return err;
}

Exemple #2

Fichier : ixgbe_dcb_nl.c Projet : AllenWeb/linux

static int ixgbe_dcbnl_ieee_setets(struct net_device *dev,
				   struct ieee_ets *ets)
{
	struct ixgbe_adapter *adapter = netdev_priv(dev);
	int max_frame = dev->mtu + ETH_HLEN + ETH_FCS_LEN;
	int i, err = 0;
	__u8 max_tc = 0;

	if (!(adapter->dcbx_cap & DCB_CAP_DCBX_VER_IEEE))
		return -EINVAL;

	if (!adapter->ixgbe_ieee_ets) {
		adapter->ixgbe_ieee_ets = kmalloc(sizeof(struct ieee_ets),
						  GFP_KERNEL);
		if (!adapter->ixgbe_ieee_ets)
			return -ENOMEM;
	}

	memcpy(adapter->ixgbe_ieee_ets, ets, sizeof(*adapter->ixgbe_ieee_ets));

	for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
		if (ets->prio_tc[i] > max_tc)
			max_tc = ets->prio_tc[i];
	}

	if (max_tc)
		max_tc++;

	if (max_tc > adapter->dcb_cfg.num_tcs.pg_tcs)
		return -EINVAL;

	if (max_tc != netdev_get_num_tc(dev))
		err = ixgbe_setup_tc(dev, max_tc);

	if (err)
		goto err_out;

	for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++)
		netdev_set_prio_tc_map(dev, i, ets->prio_tc[i]);

	err = ixgbe_dcb_hw_ets(&adapter->hw, ets, max_frame);
err_out:
	return err;
}