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net: hns3: Set tx ring' tc info when netdev is up

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The HNS3_RING_TX_RING_TC_REG register is used to map tx ring to
specific tc, the tx queue to tc mapping is needed by the hardware
to do the correct tx schedule.

Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yunsheng Lin 2018-08-14 17:13:18 +01:00 committed by David S. Miller
parent 26a07ccc1d
commit 1c77215480
2 changed files with 25 additions and 0 deletions
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24
drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
View File

@ -2974,6 +2974,28 @@ static void hns3_init_ring_hw(struct hns3_enet_ring *ring)
}
}
static void hns3_init_tx_ring_tc(struct hns3_nic_priv *priv)
{
struct hnae3_knic_private_info *kinfo = &priv->ae_handle->kinfo;
int i;
for (i = 0; i < HNAE3_MAX_TC; i++) {
struct hnae3_tc_info *tc_info = &kinfo->tc_info[i];
int j;
if (!tc_info->enable)
continue;
for (j = 0; j < tc_info->tqp_count; j++) {
struct hnae3_queue *q;
q = priv->ring_data[tc_info->tqp_offset + j].ring->tqp;
hns3_write_dev(q, HNS3_RING_TX_RING_TC_REG,
tc_info->tc);
}
}
}
int hns3_init_all_ring(struct hns3_nic_priv *priv)
{
struct hnae3_handle *h = priv->ae_handle;
@ -3385,6 +3407,8 @@ int hns3_nic_reset_all_ring(struct hnae3_handle *h)
rx_ring->next_to_use = 0;
}
hns3_init_tx_ring_tc(priv);
return 0;
}

1
drivers/net/ethernet/hisilicon/hns3/hns3_enet.h
View File

@ -37,6 +37,7 @@ enum hns3_nic_state {
#define HNS3_RING_TX_RING_BASEADDR_L_REG 0x00040
#define HNS3_RING_TX_RING_BASEADDR_H_REG 0x00044
#define HNS3_RING_TX_RING_BD_NUM_REG 0x00048
#define HNS3_RING_TX_RING_TC_REG 0x00050
#define HNS3_RING_TX_RING_TAIL_REG 0x00058
#define HNS3_RING_TX_RING_HEAD_REG 0x0005C
#define HNS3_RING_TX_RING_FBDNUM_REG 0x00060