[v2,3/3] net/hns3: support multiple TC MAC pause
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Commit Message
From: Huisong Li <lihuisong@huawei.com>
MAC PAUSE can take effect on a single TC or multiple TCs, depending on the
hardware. For example, the Kunpeng 920 supports MAC pause in a single TC,
and the Kunpeng 930 supports MAC pause in multiple TCs. This patch
supports MAC PAUSE in multiple TC for some hardware.
Signed-off-by: Huisong Li <lihuisong@huawei.com>
Signed-off-by: Min Hu (Connor) <humin29@huawei.com>
---
drivers/net/hns3/hns3_ethdev.c | 5 ++++-
drivers/net/hns3/hns3_ethdev.h | 1 +
2 files changed, 5 insertions(+), 1 deletion(-)
@@ -3317,6 +3317,7 @@ hns3_get_capability(struct hns3_hw *hw)
pf->tqp_config_mode = HNS3_FIXED_MAX_TQP_NUM_MODE;
hw->rss_info.ipv6_sctp_offload_supported = false;
hw->udp_cksum_mode = HNS3_SPECIAL_PORT_SW_CKSUM_MODE;
+ pf->support_multi_tc_pause = false;
return 0;
}
@@ -3337,6 +3338,7 @@ hns3_get_capability(struct hns3_hw *hw)
pf->tqp_config_mode = HNS3_FLEX_MAX_TQP_NUM_MODE;
hw->rss_info.ipv6_sctp_offload_supported = true;
hw->udp_cksum_mode = HNS3_SPECIAL_PORT_HW_CKSUM_MODE;
+ pf->support_multi_tc_pause = true;
return 0;
}
@@ -6103,6 +6105,7 @@ static int
hns3_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
{
struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ struct hns3_pf *pf = HNS3_DEV_PRIVATE_TO_PF(dev->data->dev_private);
int ret;
if (fc_conf->high_water || fc_conf->low_water ||
@@ -6132,7 +6135,7 @@ hns3_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
return -EOPNOTSUPP;
}
- if (hw->num_tc > 1) {
+ if (hw->num_tc > 1 && !pf->support_multi_tc_pause) {
hns3_err(hw, "in multi-TC scenarios, MAC pause is not supported.");
return -EOPNOTSUPP;
}
@@ -783,6 +783,7 @@ struct hns3_pf {
uint8_t prio_tc[HNS3_MAX_USER_PRIO]; /* TC indexed by prio */
uint16_t pause_time;
bool support_fc_autoneg; /* support FC autonegotiate */
+ bool support_multi_tc_pause;
uint16_t wanted_umv_size;
uint16_t max_umv_size;