Commit e7e8e087 authored by Shannon Nelson's avatar Shannon Nelson Committed by Jakub Kicinski
Browse files

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: default avatarShannon Nelson <snelson@pensando.io>
Reviewed-by: default avatarSaeed Mahameed <saeedm@nvidia.com>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent f6e428b2

drivers/net/ethernet/pensando/ionic/ionic_lif.c

+20 −0
Original line number Diff line number Diff line
@@ -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)

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