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authorYonglong Liu <liuyonglong@huawei.com>2018-12-15 11:53:24 +0800
committerDavid S. Miller <davem@davemloft.net>2018-12-16 12:07:32 -0800
commit31f6b61d810654fb3ef43f4d8afda0f44b142fad (patch)
tree4f99af285fd4d6505b306db61f7f4f8bbd699905 /drivers/net/ethernet/hisilicon/hns
parentnet: hns: Fixed bug that netdev was opened twice (diff)
downloadlinux-dev-31f6b61d810654fb3ef43f4d8afda0f44b142fad.tar.xz
linux-dev-31f6b61d810654fb3ef43f4d8afda0f44b142fad.zip
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>
Diffstat (limited to 'drivers/net/ethernet/hisilicon/hns')
-rw-r--r--drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c b/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c
index b52029e26d15..ad1779fc410e 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c
@@ -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);
}