s390/qeth: add debugfs file for local IP addresses (fb8d2580) · Commits · 戴 / test

drivers/s390/net/qeth_core.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -11,6 +11,7 @@
		#define __QETH_CORE_H__

		#include <linux/completion.h>
		#include <linux/debugfs.h>
		#include <linux/if.h>
		#include <linux/if_arp.h>
		#include <linux/etherdevice.h>
		@@ -797,6 +798,7 @@ struct qeth_card {
		struct qeth_channel data;

		struct net_device *dev;
		struct dentry *debugfs;
		struct qeth_card_stats stats;
		struct qeth_card_info info;
		struct qeth_token token;

drivers/s390/net/qeth_core_main.c

+31 −1

Original line number	Diff line number	Diff line
		@@ -61,6 +61,7 @@ EXPORT_SYMBOL_GPL(qeth_core_header_cache);
		static struct kmem_cache *qeth_qdio_outbuf_cache;

		static struct device *qeth_core_root_dev;
		static struct dentry *qeth_debugfs_root;
		static struct lock_class_key qdio_out_skb_queue_key;

		static void qeth_issue_next_read_cb(struct qeth_card *card,
		@@ -805,6 +806,24 @@ static void qeth_del_local_addrs6(struct qeth_card *card,
		spin_unlock(&card->local_addrs6_lock);
		}

		static int qeth_debugfs_local_addr_show(struct seq_file m, void v)
		{
		struct qeth_card *card = m->private;
		struct qeth_local_addr *tmp;
		unsigned int i;

		rcu_read_lock();
		hash_for_each_rcu(card->local_addrs4, i, tmp, hnode)
		seq_printf(m, "%pI4\n", &tmp->addr.s6_addr32[3]);
		hash_for_each_rcu(card->local_addrs6, i, tmp, hnode)
		seq_printf(m, "%pI6c\n", &tmp->addr);
		rcu_read_unlock();

		return 0;
		}

		DEFINE_SHOW_ATTRIBUTE(qeth_debugfs_local_addr);

		static void qeth_issue_ipa_msg(struct qeth_ipa_cmd *cmd, int rc,
		struct qeth_card *card)
		{
		@@ -1608,6 +1627,11 @@ static struct qeth_card qeth_alloc_card(struct ccwgroup_device gdev)
		if (!card->read_cmd)
		goto out_read_cmd;

		card->debugfs = debugfs_create_dir(dev_name(&gdev->dev),
		qeth_debugfs_root);
		debugfs_create_file("local_addrs", 0400, card->debugfs, card,
		&qeth_debugfs_local_addr_fops);

		card->qeth_service_level.seq_print = qeth_core_sl_print;
		register_service_level(&card->qeth_service_level);
		return card;
		@@ -5085,9 +5109,11 @@ out_free_nothing:
		static void qeth_core_free_card(struct qeth_card *card)
		{
		QETH_CARD_TEXT(card, 2, "freecrd");

		unregister_service_level(&card->qeth_service_level);
		debugfs_remove_recursive(card->debugfs);
		qeth_put_cmd(card->read_cmd);
		destroy_workqueue(card->event_wq);
		unregister_service_level(&card->qeth_service_level);
		dev_set_drvdata(&card->gdev->dev, NULL);
		kfree(card);
		}
		@@ -6967,6 +6993,8 @@ static int __init qeth_core_init(void)

		pr_info("loading core functions\n");

		qeth_debugfs_root = debugfs_create_dir("qeth", NULL);

		rc = qeth_register_dbf_views();
		if (rc)
		goto dbf_err;
		@@ -7008,6 +7036,7 @@ slab_err:
		register_err:
		qeth_unregister_dbf_views();
		dbf_err:
		debugfs_remove_recursive(qeth_debugfs_root);
		pr_err("Initializing the qeth device driver failed\n");
		return rc;
		}
		@@ -7021,6 +7050,7 @@ static void __exit qeth_core_exit(void)
		kmem_cache_destroy(qeth_core_header_cache);
		root_device_unregister(qeth_core_root_dev);
		qeth_unregister_dbf_views();
		debugfs_remove_recursive(qeth_debugfs_root);
		pr_info("core functions removed\n");
		}

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