diff options
| author | Shannon Nelson <snelson@pensando.io> | 2019-09-30 20:03:26 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-10-02 11:55:12 -0400 |
| commit | e982ae6aa4e1505d7567a54ef3f259a9647dfd35 (patch) | |
| tree | 5190e979171338a8fd8c14cabafed92d53fa1990 | |
| parent | e95f922f4c2f27bd7b7479a8fd6bdc689e2062be (diff) | |
| download | lwn-e982ae6aa4e1505d7567a54ef3f259a9647dfd35.tar.gz lwn-e982ae6aa4e1505d7567a54ef3f259a9647dfd35.zip | |
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: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/pensando/ionic/ionic_lif.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c b/drivers/net/ethernet/pensando/ionic/ionic_lif.c index 372329389c84..559b96ae48f5 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c @@ -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); |