[PATCH net-next 1/9] ionic: add filterlist to debugfs
From: Shannon Nelson <hidden>
Date: 2021-10-09 18:45:40
Subsystem:
networking drivers, pensando ethernet drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Brett Creeley, Linus Torvalds
Dump the filter list to debugfs - includes the device-assigned filter id and the sync'd-to-hardware status. Signed-off-by: Shannon Nelson <redacted> --- .../ethernet/pensando/ionic/ionic_debugfs.c | 46 +++++++++++++++++++ 1 file changed, 46 insertions(+)
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_debugfs.c b/drivers/net/ethernet/pensando/ionic/ionic_debugfs.c
index 86b79430c2ad..c58217027564 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_debugfs.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_debugfs.c@@ -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)
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2.17.1