Commit 795ec4f5 authored by Murali Karicheri's avatar Murali Karicheri Committed by David S. Miller
Browse files

net: prp: enhance debugfs to display PRP info 



Print PRP specific information from node table as part of debugfs
node table display. Also display the node as DAN-H or DAN-P depending
on the info from node table.

Signed-off-by: default avatarMurali Karicheri <m-karicheri2@ti.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 451d8123

net/hsr/hsr_debugfs.c

+22 −9
Original line number Diff line number Diff line
@@ -24,7 +24,7 @@ static struct dentry *hsr_debugfs_root_dir; 


static void print_mac_address(struct seq_file *sfp, unsigned char *mac)

{

	seq_printf(sfp, "%02x:%02x:%02x:%02x:%02x:%02x:",

	seq_printf(sfp, "%02x:%02x:%02x:%02x:%02x:%02x ",

		   mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);

}
@@ -35,20 +35,32 @@ hsr_node_table_show(struct seq_file *sfp, void *data) 
	struct hsr_priv *priv = (struct hsr_priv *)sfp->private;

	struct hsr_node *node;



	seq_puts(sfp, "Node Table entries\n");

	seq_printf(sfp, "Node Table entries for (%s) device\n",

		   (priv->prot_version == PRP_V1 ? "PRP" : "HSR"));

	seq_puts(sfp, "MAC-Address-A,    MAC-Address-B,    time_in[A], ");

	seq_puts(sfp, "time_in[B], Address-B port\n");

	seq_puts(sfp, "time_in[B], Address-B port, ");

	if (priv->prot_version == PRP_V1)

		seq_puts(sfp, "SAN-A, SAN-B, DAN-P\n");

	else

		seq_puts(sfp, "DAN-H\n");



	rcu_read_lock();

	list_for_each_entry_rcu(node, &priv->node_db, mac_list) {

		/* skip self node */

		if (hsr_addr_is_self(priv, node->macaddress_A))

			continue;

		print_mac_address(sfp, &node->macaddress_A[0]);

		seq_puts(sfp, " ");

		print_mac_address(sfp, &node->macaddress_B[0]);

		seq_printf(sfp, "0x%lx, ", node->time_in[HSR_PT_SLAVE_A]);

		seq_printf(sfp, "0x%lx ", node->time_in[HSR_PT_SLAVE_B]);

		seq_printf(sfp, "0x%x\n", node->addr_B_port);

		seq_printf(sfp, "%10lx, ", node->time_in[HSR_PT_SLAVE_A]);

		seq_printf(sfp, "%10lx, ", node->time_in[HSR_PT_SLAVE_B]);

		seq_printf(sfp, "%14x, ", node->addr_B_port);



		if (priv->prot_version == PRP_V1)

			seq_printf(sfp, "%5x, %5x, %5x\n",

				   node->san_a, node->san_b,

				   (node->san_a == 0 && node->san_b == 0));

		else

			seq_printf(sfp, "%5x\n", 1);

	}

	rcu_read_unlock();

	return 0;
@@ -57,7 +69,8 @@ hsr_node_table_show(struct seq_file *sfp, void *data) 
/* hsr_node_table_open - Open the node_table file

 *

 * Description:

 * This routine opens a debugfs file node_table of specific hsr device

 * This routine opens a debugfs file node_table of specific hsr

 * or prp device

 */

static int

hsr_node_table_open(struct inode *inode, struct file *filp)

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