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Commit 1c772154 authored by Yunsheng Lin's avatar Yunsheng Lin Committed by David S. Miller
Browse files

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



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: default avatarYunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: default avatarPeng Li <lipeng321@huawei.com>
Signed-off-by: default avatarSalil Mehta <salil.mehta@huawei.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 26a07ccc

drivers/net/ethernet/hisilicon/hns3/hns3_enet.c

+24 −0
Original line number Diff line number Diff line
@@ -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;

}

drivers/net/ethernet/hisilicon/hns3/hns3_enet.h

+1 −0
Original line number Diff line number Diff line
@@ -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