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| author |   Huazhong Tan <tanhuazhong@huawei.com> | 2021-06-10 21:38:56 +0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2021-06-11 12:43:16 -0700 |
| commit | 0bf5eb788512187b744ef7f79de835e6cbe85b9c (patch) | |
| tree | be8f9ba6f7c5d2a1778ba3739311a81b89ac36fa /drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | |
| parent | Merge branch 'ipa-mem-2' (diff) | |
| download | linux-dev-0bf5eb788512187b744ef7f79de835e6cbe85b9c.tar.xz linux-dev-0bf5eb788512187b744ef7f79de835e6cbe85b9c.zip | |
net: hns3: add support for PTP
Adds PTP support for HNS3 ethernet driver.
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: Yufeng Mo <moyufeng@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/hisilicon/hns3/hns3_enet.c')
| -rw-r--r-- | drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index 393979bec170..9a45f3cde6a2 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -1799,6 +1799,18 @@ static void hns3_tx_doorbell(struct hns3_enet_ring *ring, int num, WRITE_ONCE(ring->last_to_use, ring->next_to_use); } +static void hns3_tsyn(struct net_device *netdev, struct sk_buff *skb, + struct hns3_desc *desc) +{ + struct hnae3_handle *h = hns3_get_handle(netdev); + + if (!(h->ae_algo->ops->set_tx_hwts_info && + h->ae_algo->ops->set_tx_hwts_info(h, skb))) + return; + + desc->tx.bdtp_fe_sc_vld_ra_ri |= cpu_to_le16(BIT(HNS3_TXD_TSYN_B)); +} + netdev_tx_t hns3_nic_net_xmit(struct sk_buff *skb, struct net_device *netdev) { struct hns3_nic_priv *priv = netdev_priv(netdev); @@ -1851,10 +1863,16 @@ netdev_tx_t hns3_nic_net_xmit(struct sk_buff *skb, struct net_device *netdev) pre_ntu = ring->next_to_use ? (ring->next_to_use - 1) : (ring->desc_num - 1); + + if (unlikely(skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP)) + hns3_tsyn(netdev, skb, &ring->desc[pre_ntu]); + ring->desc[pre_ntu].tx.bdtp_fe_sc_vld_ra_ri |= cpu_to_le16(BIT(HNS3_TXD_FE_B)); trace_hns3_tx_desc(ring, pre_ntu); + skb_tx_timestamp(skb); + /* Complete translate all packets */ dev_queue = netdev_get_tx_queue(netdev, ring->queue_index); doorbell = __netdev_tx_sent_queue(dev_queue, desc_cb->send_bytes, @@ -3585,6 +3603,15 @@ static int hns3_handle_bdinfo(struct hns3_enet_ring *ring, struct sk_buff *skb) ol_info = le32_to_cpu(desc->rx.ol_info); csum = le16_to_cpu(desc->csum); + if (unlikely(bd_base_info & BIT(HNS3_RXD_TS_VLD_B))) { + struct hnae3_handle *h = hns3_get_handle(netdev); + u32 nsec = le32_to_cpu(desc->ts_nsec); + u32 sec = le32_to_cpu(desc->ts_sec); + + if (h->ae_algo->ops->get_rx_hwts) + h->ae_algo->ops->get_rx_hwts(h, skb, nsec, sec); + } + /* Based on hw strategy, the tag offloaded will be stored at * ot_vlan_tag in two layer tag case, and stored at vlan_tag * in one layer tag case. |