diff options
| author | Yunsheng Lin <linyunsheng@huawei.com> | 2017-10-17 14:51:30 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-10-19 12:45:45 +0100 |
| commit | 30d240dfa2e88f7941f72fac9a256358f7d55ad8 (patch) | |
| tree | f7315b79a9829aa40cd52824c4585c5528b3e99d /drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_dcb.c | |
| parent | 56fd2b2ca467f22f940282bf2c1ca4e1cb8f4c67 (diff) | |
net: hns3: Add mqprio hardware offload support in hns3 driver
When using tc qdisc, dcb_ops->setup_tc is used to tell hclge_dcb
module to do the tm related setup. Only TC_MQPRIO_MODE_CHANNEL
offload mode is supported.
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_dcb.c')
| -rw-r--r-- | drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_dcb.c | 47 |
1 files changed, 45 insertions, 2 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_dcb.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_dcb.c index 1b30a6f966d8..5018d6633133 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_dcb.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_dcb.c @@ -178,7 +178,8 @@ static int hclge_ieee_setets(struct hnae3_handle *h, struct ieee_ets *ets) u8 num_tc = 0; int ret; - if (!(hdev->dcbx_cap & DCB_CAP_DCBX_VER_IEEE)) + if (!(hdev->dcbx_cap & DCB_CAP_DCBX_VER_IEEE) || + hdev->flag & HCLGE_FLAG_MQPRIO_ENABLE) return -EINVAL; ret = hclge_ets_validate(hdev, ets, &num_tc, &map_changed); @@ -228,7 +229,8 @@ static int hclge_ieee_setpfc(struct hnae3_handle *h, struct ieee_pfc *pfc) struct hclge_dev *hdev = vport->back; u8 i, j, pfc_map, *prio_tc; - if (!(hdev->dcbx_cap & DCB_CAP_DCBX_VER_IEEE)) + if (!(hdev->dcbx_cap & DCB_CAP_DCBX_VER_IEEE) || + hdev->flag & HCLGE_FLAG_MQPRIO_ENABLE) return -EINVAL; prio_tc = hdev->tm_info.prio_tc; @@ -257,6 +259,9 @@ static u8 hclge_getdcbx(struct hnae3_handle *h) struct hclge_vport *vport = hclge_get_vport(h); struct hclge_dev *hdev = vport->back; + if (hdev->flag & HCLGE_FLAG_MQPRIO_ENABLE) + return 0; + return hdev->dcbx_cap; } @@ -276,6 +281,43 @@ static u8 hclge_setdcbx(struct hnae3_handle *h, u8 mode) return 0; } +/* Set up TC for hardware offloaded mqprio in channel mode */ +static int hclge_setup_tc(struct hnae3_handle *h, u8 tc, u8 *prio_tc) +{ + struct hclge_vport *vport = hclge_get_vport(h); + struct hclge_dev *hdev = vport->back; + int ret; + + if (hdev->flag & HCLGE_FLAG_DCB_ENABLE) + return -EINVAL; + + if (tc > hdev->tc_max) { + dev_err(&hdev->pdev->dev, + "setup tc failed, tc(%u) > tc_max(%u)\n", + tc, hdev->tc_max); + return -EINVAL; + } + + hclge_tm_schd_info_update(hdev, tc); + + ret = hclge_tm_prio_tc_info_update(hdev, prio_tc); + if (ret) + return ret; + + ret = hclge_tm_init_hw(hdev); + if (ret) + return ret; + + hdev->flag &= ~HCLGE_FLAG_DCB_ENABLE; + + if (tc > 1) + hdev->flag |= HCLGE_FLAG_MQPRIO_ENABLE; + else + hdev->flag &= ~HCLGE_FLAG_MQPRIO_ENABLE; + + return 0; +} + static const struct hnae3_dcb_ops hns3_dcb_ops = { .ieee_getets = hclge_ieee_getets, .ieee_setets = hclge_ieee_setets, @@ -284,6 +326,7 @@ static const struct hnae3_dcb_ops hns3_dcb_ops = { .getdcbx = hclge_getdcbx, .setdcbx = hclge_setdcbx, .map_update = hclge_map_update, + .setup_tc = hclge_setup_tc, }; void hclge_dcb_ops_set(struct hclge_dev *hdev) |