net: hns3: add ethtool_ops.get_coalesce support to PF
This patch adds ethtool_ops.get_coalesce support to PF. Whilst our hardware supports per queue values, external interfaces support only a single shared value. As such we use the values for queue 0. Signed-off-by: Fuyun Liang <liangfuyun1@huawei.com> Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -448,6 +448,8 @@ struct hnae3_knic_private_info {
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u16 num_tqps; /* total number of TQPs in this handle */
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struct hnae3_queue **tqp; /* array base of all TQPs in this instance */
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const struct hnae3_dcb_ops *dcb_ops;
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u16 int_rl_setting;
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};
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struct hnae3_roce_private_info {
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@ -464,6 +464,7 @@ struct hns3_enet_ring_group {
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u16 count;
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enum hns3_flow_level_range flow_level;
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u16 int_gl;
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u8 gl_adapt_enable;
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};
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struct hns3_enet_tqp_vector {
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@ -887,6 +887,42 @@ static void hns3_get_channels(struct net_device *netdev,
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h->ae_algo->ops->get_channels(h, ch);
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}
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static int hns3_get_coalesce_per_queue(struct net_device *netdev, u32 queue,
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struct ethtool_coalesce *cmd)
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{
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struct hns3_enet_tqp_vector *tx_vector, *rx_vector;
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struct hns3_nic_priv *priv = netdev_priv(netdev);
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struct hnae3_handle *h = priv->ae_handle;
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u16 queue_num = h->kinfo.num_tqps;
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if (queue >= queue_num) {
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netdev_err(netdev,
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"Invalid queue value %d! Queue max id=%d\n",
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queue, queue_num - 1);
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return -EINVAL;
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}
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tx_vector = priv->ring_data[queue].ring->tqp_vector;
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rx_vector = priv->ring_data[queue_num + queue].ring->tqp_vector;
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cmd->use_adaptive_tx_coalesce = tx_vector->tx_group.gl_adapt_enable;
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cmd->use_adaptive_rx_coalesce = rx_vector->rx_group.gl_adapt_enable;
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cmd->tx_coalesce_usecs = tx_vector->tx_group.int_gl;
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cmd->rx_coalesce_usecs = rx_vector->rx_group.int_gl;
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cmd->tx_coalesce_usecs_high = h->kinfo.int_rl_setting;
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cmd->rx_coalesce_usecs_high = h->kinfo.int_rl_setting;
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return 0;
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}
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static int hns3_get_coalesce(struct net_device *netdev,
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struct ethtool_coalesce *cmd)
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{
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return hns3_get_coalesce_per_queue(netdev, 0, cmd);
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}
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static const struct ethtool_ops hns3vf_ethtool_ops = {
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.get_drvinfo = hns3_get_drvinfo,
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.get_ringparam = hns3_get_ringparam,
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@ -925,6 +961,7 @@ static const struct ethtool_ops hns3_ethtool_ops = {
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.nway_reset = hns3_nway_reset,
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.get_channels = hns3_get_channels,
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.set_channels = hns3_set_channels,
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.get_coalesce = hns3_get_coalesce,
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};
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void hns3_ethtool_set_ops(struct net_device *netdev)
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