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ionic: add filterlist to debugfs

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

Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Shannon Nelson 2021-10-09 11:45:15 -07:00 committed by David S. Miller
parent 7932d53162
commit c1634b118e
1 changed files with 46 additions and 0 deletions
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46
drivers/net/ethernet/pensando/ionic/ionic_debugfs.c
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@ -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)