[PATCH] net:hns3:add xps init support
From: yuqi jin <hidden>
Date: 2019-01-07 06:02:26
Subsystem:
hisilicon network subsystem 3 driver (hns3), hisilicon network subsystem driver, networking drivers, the rest · Maintainers:
Jian Shen, Jijie Shao, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
XPS settings based on CPU(s) map . we can use __netdev_pick_tx to select the transmit queue,then we can improve performance Cc: Yisen Zhuang <redacted> Cc: Salil Mehta <redacted> Cc: "David S. Miller" <davem@davemloft.net> Signed-off-by: yuqi jin <redacted> --- drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 30 +++++++++++++++++++++++++ 1 file changed, 30 insertions(+)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
index d3b9aaf..29e2225 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c@@ -377,6 +377,30 @@ static int hns3_nic_net_up(struct net_device *netdev) return ret; } +static int hns3_config_xps(struct hns3_nic_priv *priv) +{ + struct hnae3_handle *h = priv->ae_handle; + struct hnae3_knic_private_info *kinfo = &h->kinfo; + unsigned int queue_size = kinfo->rss_size * kinfo->num_tc; + struct hns3_enet_tqp_vector *tqp_vector; + struct hns3_nic_ring_data ring_data; + int ret = 0, i; + + for (i = 0; i < queue_size; i++) { + ring_data = priv->ring_data[i]; + tqp_vector = ring_data.ring->tqp_vector; + ret = netif_set_xps_queue(kinfo->netdev, + &tqp_vector->affinity_mask, + ring_data.queue_index); + if (ret) { + netdev_err(kinfo->netdev, "ret %d xps %d\n", ret, + tqp_vector->idx); + return ret; + } + } + return ret; +} + static int hns3_nic_net_open(struct net_device *netdev) { struct hns3_nic_priv *priv = netdev_priv(netdev);
@@ -409,6 +433,12 @@ static int hns3_nic_net_open(struct net_device *netdev) if (h->ae_algo->ops->set_timer_task) h->ae_algo->ops->set_timer_task(priv->ae_handle, true); + ret = hns3_config_xps(priv); + if (ret) { + netdev_err(netdev, + "hns xps init fail, ret=%d!\n", ret); + return ret; + } return 0; }
--
1.8.3.1
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