提交 e8588e26 编写于 作者: G Govindarajulu Varadarajan 提交者: David S. Miller

enic: enable rq before updating rq descriptors

rq should be enabled before posting the buffers to rq desc. If not hw sees
stale value and casuses DMAR errors.
Signed-off-by: NGovindarajulu Varadarajan <gvaradar@cisco.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 48398b6e
......@@ -1939,6 +1939,8 @@ static int enic_open(struct net_device *netdev)
}
for (i = 0; i < enic->rq_count; i++) {
/* enable rq before updating rq desc */
vnic_rq_enable(&enic->rq[i]);
vnic_rq_fill(&enic->rq[i], enic_rq_alloc_buf);
/* Need at least one buffer on ring to get going */
if (vnic_rq_desc_used(&enic->rq[i]) == 0) {
......@@ -1950,8 +1952,6 @@ static int enic_open(struct net_device *netdev)
for (i = 0; i < enic->wq_count; i++)
vnic_wq_enable(&enic->wq[i]);
for (i = 0; i < enic->rq_count; i++)
vnic_rq_enable(&enic->rq[i]);
if (!enic_is_dynamic(enic) && !enic_is_sriov_vf(enic))
enic_dev_add_station_addr(enic);
......@@ -1977,8 +1977,12 @@ static int enic_open(struct net_device *netdev)
return 0;
err_out_free_rq:
for (i = 0; i < enic->rq_count; i++)
for (i = 0; i < enic->rq_count; i++) {
err = vnic_rq_disable(&enic->rq[i]);
if (err)
return err;
vnic_rq_clean(&enic->rq[i], enic_free_rq_buf);
}
enic_dev_notify_unset(enic);
err_out_free_intr:
enic_unset_affinity_hint(enic);
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册