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ionic: add lif quiesce 

After the queues are stopped, expressly quiesce the lif.
This assures that even if the queues were in an odd state,
the firmware will close up everything cleanly.

Signed-off-by: Shannon Nelson <snelson@pensando.io>
Reviewed-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Shannon Nelson 2020-11-12 10:22:03 -08:00 committed by Jakub Kicinski
parent f6e428b27e
commit e7e8e087ac
1 changed files with 20 additions and 0 deletions
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20
drivers/net/ethernet/pensando/ionic/ionic_lif.c
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@ -1625,6 +1625,24 @@ static void ionic_lif_rss_deinit(struct ionic_lif *lif)
ionic_lif_rss_config(lif, 0x0, NULL, NULL);
}
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,
.index = cpu_to_le16(lif->index),
.attr = IONIC_LIF_ATTR_STATE,
.state = IONIC_LIF_QUIESCE,
},
};
int err;
err = ionic_adminq_post_wait(lif, &ctx);
if (err)
netdev_err(lif->netdev, "lif quiesce failed %d\n", err);
}
static void ionic_txrx_disable(struct ionic_lif *lif)
{
unsigned int i;
@ -1639,6 +1657,8 @@ static void ionic_txrx_disable(struct ionic_lif *lif)
for (i = 0; i < lif->nxqs; i++)
err = ionic_qcq_disable(lif->rxqcqs[i], (err != -ETIMEDOUT));
}
ionic_lif_quiesce(lif);
}
static void ionic_txrx_deinit(struct ionic_lif *lif)