Commit 7e4d4759 authored by Shannon Nelson's avatar Shannon Nelson Committed by David S. Miller
Browse files

ionic: replay filters after fw upgrade 



The NIC's filters are lost in the midst of the fw-upgrade
so we need to replay them into the FW.  We also remove the
unused ionic_rx_filter_del() function.

Fixes: c672412f ("ionic: remove lifs on fw reset")
Signed-off-by: default avatarShannon Nelson <snelson@pensando.io>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent cb9533d1

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

+8 −4
Original line number Diff line number Diff line
@@ -2127,6 +2127,8 @@ static void ionic_lif_handle_fw_up(struct ionic_lif *lif) 
	if (lif->registered)

		ionic_lif_set_netdev_info(lif);



	ionic_rx_filter_replay(lif);



	if (netif_running(lif->netdev)) {

		err = ionic_txrx_alloc(lif);

		if (err)
@@ -2206,9 +2208,9 @@ static void ionic_lif_deinit(struct ionic_lif *lif) 
	if (!test_bit(IONIC_LIF_F_FW_RESET, lif->state)) {

		cancel_work_sync(&lif->deferred.work);

		cancel_work_sync(&lif->tx_timeout_work);

		ionic_rx_filters_deinit(lif);

	}



	ionic_rx_filters_deinit(lif);

	if (lif->netdev->features & NETIF_F_RXHASH)

		ionic_lif_rss_deinit(lif);
@@ -2421,9 +2423,11 @@ static int ionic_lif_init(struct ionic_lif *lif) 
	if (err)

		goto err_out_notifyq_deinit;



	if (!test_bit(IONIC_LIF_F_FW_RESET, lif->state)) {

		err = ionic_rx_filters_init(lif);

		if (err)

			goto err_out_notifyq_deinit;

	}



	err = ionic_station_set(lif);

	if (err)

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

+42 −10
Original line number Diff line number Diff line
@@ -17,17 +17,49 @@ void ionic_rx_filter_free(struct ionic_lif *lif, struct ionic_rx_filter *f) 
	devm_kfree(dev, f);

}



int ionic_rx_filter_del(struct ionic_lif *lif, struct ionic_rx_filter *f)

void ionic_rx_filter_replay(struct ionic_lif *lif)

{

	struct ionic_admin_ctx ctx = {

		.work = COMPLETION_INITIALIZER_ONSTACK(ctx.work),

		.cmd.rx_filter_del = {

			.opcode = IONIC_CMD_RX_FILTER_DEL,

			.filter_id = cpu_to_le32(f->filter_id),

		},

	};



	return ionic_adminq_post_wait(lif, &ctx);

	struct ionic_rx_filter_add_cmd *ac;

	struct ionic_admin_ctx ctx;

	struct ionic_rx_filter *f;

	struct hlist_head *head;

	struct hlist_node *tmp;

	unsigned int i;

	int err = 0;



	ac = &ctx.cmd.rx_filter_add;



	for (i = 0; i < IONIC_RX_FILTER_HLISTS; i++) {

		head = &lif->rx_filters.by_id[i];

		hlist_for_each_entry_safe(f, tmp, head, by_id) {

			ctx.work = COMPLETION_INITIALIZER_ONSTACK(ctx.work);

			memcpy(ac, &f->cmd, sizeof(f->cmd));

			dev_dbg(&lif->netdev->dev, "replay filter command:\n");

			dynamic_hex_dump("cmd ", DUMP_PREFIX_OFFSET, 16, 1,

					 &ctx.cmd, sizeof(ctx.cmd), true);



			err = ionic_adminq_post_wait(lif, &ctx);

			if (err) {

				switch (le16_to_cpu(ac->match)) {

				case IONIC_RX_FILTER_MATCH_VLAN:

					netdev_info(lif->netdev, "Replay failed - %d: vlan %d\n",

						    err,

						    le16_to_cpu(ac->vlan.vlan));

					break;

				case IONIC_RX_FILTER_MATCH_MAC:

					netdev_info(lif->netdev, "Replay failed - %d: mac %pM\n",

						    err, ac->mac.addr);

					break;

				case IONIC_RX_FILTER_MATCH_MAC_VLAN:

					netdev_info(lif->netdev, "Replay failed - %d: vlan %d mac %pM\n",

						    err,

						    le16_to_cpu(ac->vlan.vlan),

						    ac->mac.addr);

					break;

				}

			}

		}

	}

}



int ionic_rx_filters_init(struct ionic_lif *lif)

drivers/net/ethernet/pensando/ionic/ionic_rx_filter.h

+1 −1
Original line number Diff line number Diff line
@@ -24,7 +24,7 @@ struct ionic_rx_filters { 
};



void ionic_rx_filter_free(struct ionic_lif *lif, struct ionic_rx_filter *f);

int ionic_rx_filter_del(struct ionic_lif *lif, struct ionic_rx_filter *f);

void ionic_rx_filter_replay(struct ionic_lif *lif);

int ionic_rx_filters_init(struct ionic_lif *lif);

void ionic_rx_filters_deinit(struct ionic_lif *lif);

int ionic_rx_filter_save(struct ionic_lif *lif, u32 flow_id, u16 rxq_index,

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