Commit e982ae6a authored by Shannon Nelson's avatar Shannon Nelson Committed by David S. Miller

ionic: add lif_quiesce to wait for queue activity to stop

Even though we've already turned off the queue activity with
the ionic_qcq_disable(), we need to wait for any device queues
that are processing packets to drain down before we try to
flush our packets and tear down the queues.
Signed-off-by: default avatarShannon Nelson <snelson@pensando.io>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent e95f922f
......@@ -242,6 +242,21 @@ static int ionic_qcq_disable(struct ionic_qcq *qcq)
return ionic_adminq_post_wait(lif, &ctx);
}
static void ionic_lif_quiesce(struct ionic_lif *lif)
{
struct ionic_admin_ctx ctx = {
.work = COMPLETION_INITIALIZER_ONSTACK(ctx.work),
.cmd.lif_setattr = {
.opcode = IONIC_CMD_LIF_SETATTR,
.attr = IONIC_LIF_ATTR_STATE,
.index = lif->index,
.state = IONIC_LIF_DISABLE
},
};
ionic_adminq_post_wait(lif, &ctx);
}
static void ionic_lif_qcq_deinit(struct ionic_lif *lif, struct ionic_qcq *qcq)
{
struct ionic_dev *idev = &lif->ionic->idev;
......@@ -1589,6 +1604,7 @@ int ionic_stop(struct net_device *netdev)
netif_tx_disable(netdev);
ionic_txrx_disable(lif);
ionic_lif_quiesce(lif);
ionic_txrx_deinit(lif);
ionic_txrx_free(lif);
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment