Commit c1634b11 authored by Shannon Nelson's avatar Shannon Nelson Committed by David S. Miller
Browse files

ionic: add filterlist to debugfs 



Dump the filter list to debugfs - includes the device-assigned
filter id and the sync'd-to-hardware status.

Signed-off-by: default avatarShannon Nelson <snelson@pensando.io>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 7932d531

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

+46 −0
Original line number Diff line number Diff line
@@ -226,6 +226,50 @@ static int netdev_show(struct seq_file *seq, void *v) 
}

DEFINE_SHOW_ATTRIBUTE(netdev);



static int lif_filters_show(struct seq_file *seq, void *v)

{

	struct ionic_lif *lif = seq->private;

	struct ionic_rx_filter *f;

	struct hlist_head *head;

	struct hlist_node *tmp;

	unsigned int i;



	seq_puts(seq, "id      flow        state type  filter\n");

	spin_lock_bh(&lif->rx_filters.lock);

	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) {

			switch (le16_to_cpu(f->cmd.match)) {

			case IONIC_RX_FILTER_MATCH_VLAN:

				seq_printf(seq, "0x%04x  0x%08x  0x%02x  vlan  0x%04x\n",

					   f->filter_id, f->flow_id, f->state,

					   le16_to_cpu(f->cmd.vlan.vlan));

				break;

			case IONIC_RX_FILTER_MATCH_MAC:

				seq_printf(seq, "0x%04x  0x%08x  0x%02x  mac   %pM\n",

					   f->filter_id, f->flow_id, f->state,

					   f->cmd.mac.addr);

				break;

			case IONIC_RX_FILTER_MATCH_MAC_VLAN:

				seq_printf(seq, "0x%04x  0x%08x  0x%02x  macvl 0x%04x %pM\n",

					   f->filter_id, f->flow_id, f->state,

					   le16_to_cpu(f->cmd.vlan.vlan),

					   f->cmd.mac.addr);

				break;

			case IONIC_RX_FILTER_STEER_PKTCLASS:

				seq_printf(seq, "0x%04x  0x%08x  0x%02x  rxstr 0x%llx\n",

					   f->filter_id, f->flow_id, f->state,

					   le64_to_cpu(f->cmd.pkt_class));

				break;

			}

		}

	}

	spin_unlock_bh(&lif->rx_filters.lock);



	return 0;

}

DEFINE_SHOW_ATTRIBUTE(lif_filters);



void ionic_debugfs_add_lif(struct ionic_lif *lif)

{

	struct dentry *lif_dentry;
@@ -237,6 +281,8 @@ void ionic_debugfs_add_lif(struct ionic_lif *lif) 


	debugfs_create_file("netdev", 0400, lif->dentry,

			    lif->netdev, &netdev_fops);

	debugfs_create_file("filters", 0400, lif->dentry,

			    lif, &lif_filters_fops);

}



void ionic_debugfs_del_lif(struct ionic_lif *lif)