Commit 31f6b61d authored Dec 15, 2018 by Yonglong Liu Committed by David S. Miller Dec 16, 2018

net: hns: Clean rx fbd when ae stopped.



If there are packets in hardware when changing the speed or duplex,
it may cause hardware hang up.

This patch adds the code to wait rx fbd clean up when ae stopped.

Signed-off-by: Yonglong Liu <liuyonglong@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 5778b13b

drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -379,6 +379,9 @@ static void hns_ae_stop(struct hnae_handle *handle)

		hns_ae_ring_enable_all(handle, 0);

		/* clean rx fbd. */
		hns_rcb_wait_fbd_clean(handle->qs, handle->q_num, RCB_INT_FLAG_RX);

		(void)hns_mac_vm_config_bc_en(mac_cb, 0, false);
		}

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