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-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib.h15
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_fs.c177
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_main.c72
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_multicast.c9
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_vlan.c7
5 files changed, 231 insertions, 49 deletions
diff --git a/drivers/infiniband/ulp/ipoib/ipoib.h b/drivers/infiniband/ulp/ipoib/ipoib.h
index 0095acc0fbbe..9923a15a9996 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib.h
+++ b/drivers/infiniband/ulp/ipoib/ipoib.h
@@ -179,6 +179,7 @@ struct ipoib_dev_priv {
#ifdef CONFIG_INFINIBAND_IPOIB_DEBUG
struct list_head fs_list;
struct dentry *mcg_dentry;
+ struct dentry *path_dentry;
#endif
};
@@ -270,7 +271,6 @@ void ipoib_mcast_dev_flush(struct net_device *dev);
#ifdef CONFIG_INFINIBAND_IPOIB_DEBUG
struct ipoib_mcast_iter *ipoib_mcast_iter_init(struct net_device *dev);
-void ipoib_mcast_iter_free(struct ipoib_mcast_iter *iter);
int ipoib_mcast_iter_next(struct ipoib_mcast_iter *iter);
void ipoib_mcast_iter_read(struct ipoib_mcast_iter *iter,
union ib_gid *gid,
@@ -278,6 +278,11 @@ void ipoib_mcast_iter_read(struct ipoib_mcast_iter *iter,
unsigned int *queuelen,
unsigned int *complete,
unsigned int *send_only);
+
+struct ipoib_path_iter *ipoib_path_iter_init(struct net_device *dev);
+int ipoib_path_iter_next(struct ipoib_path_iter *iter);
+void ipoib_path_iter_read(struct ipoib_path_iter *iter,
+ struct ipoib_path *path);
#endif
int ipoib_mcast_attach(struct net_device *dev, u16 mlid,
@@ -299,13 +304,13 @@ void ipoib_pkey_poll(void *dev);
int ipoib_pkey_dev_delay_open(struct net_device *dev);
#ifdef CONFIG_INFINIBAND_IPOIB_DEBUG
-int ipoib_create_debug_file(struct net_device *dev);
-void ipoib_delete_debug_file(struct net_device *dev);
+void ipoib_create_debug_files(struct net_device *dev);
+void ipoib_delete_debug_files(struct net_device *dev);
int ipoib_register_debugfs(void);
void ipoib_unregister_debugfs(void);
#else
-static inline int ipoib_create_debug_file(struct net_device *dev) { return 0; }
-static inline void ipoib_delete_debug_file(struct net_device *dev) { }
+static inline void ipoib_create_debug_files(struct net_device *dev) { }
+static inline void ipoib_delete_debug_files(struct net_device *dev) { }
static inline int ipoib_register_debugfs(void) { return 0; }
static inline void ipoib_unregister_debugfs(void) { }
#endif
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_fs.c b/drivers/infiniband/ulp/ipoib/ipoib_fs.c
index 38b150f775e7..685258e34034 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_fs.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_fs.c
@@ -43,6 +43,18 @@ struct file_operations;
static struct dentry *ipoib_root;
+static void format_gid(union ib_gid *gid, char *buf)
+{
+ int i, n;
+
+ for (n = 0, i = 0; i < 8; ++i) {
+ n += sprintf(buf + n, "%x",
+ be16_to_cpu(((__be16 *) gid->raw)[i]));
+ if (i < 7)
+ buf[n++] = ':';
+ }
+}
+
static void *ipoib_mcg_seq_start(struct seq_file *file, loff_t *pos)
{
struct ipoib_mcast_iter *iter;
@@ -54,7 +66,7 @@ static void *ipoib_mcg_seq_start(struct seq_file *file, loff_t *pos)
while (n--) {
if (ipoib_mcast_iter_next(iter)) {
- ipoib_mcast_iter_free(iter);
+ kfree(iter);
return NULL;
}
}
@@ -70,7 +82,7 @@ static void *ipoib_mcg_seq_next(struct seq_file *file, void *iter_ptr,
(*pos)++;
if (ipoib_mcast_iter_next(iter)) {
- ipoib_mcast_iter_free(iter);
+ kfree(iter);
return NULL;
}
@@ -87,32 +99,32 @@ static int ipoib_mcg_seq_show(struct seq_file *file, void *iter_ptr)
struct ipoib_mcast_iter *iter = iter_ptr;
char gid_buf[sizeof "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff"];
union ib_gid mgid;
- int i, n;
unsigned long created;
unsigned int queuelen, complete, send_only;
- if (iter) {
- ipoib_mcast_iter_read(iter, &mgid, &created, &queuelen,
- &complete, &send_only);
+ if (!iter)
+ return 0;
- for (n = 0, i = 0; i < sizeof mgid / 2; ++i) {
- n += sprintf(gid_buf + n, "%x",
- be16_to_cpu(((__be16 *) mgid.raw)[i]));
- if (i < sizeof mgid / 2 - 1)
- gid_buf[n++] = ':';
- }
- }
+ ipoib_mcast_iter_read(iter, &mgid, &created, &queuelen,
+ &complete, &send_only);
- seq_printf(file, "GID: %*s", -(1 + (int) sizeof gid_buf), gid_buf);
+ format_gid(&mgid, gid_buf);
seq_printf(file,
- " created: %10ld queuelen: %4d complete: %d send_only: %d\n",
- created, queuelen, complete, send_only);
+ "GID: %s\n"
+ " created: %10ld\n"
+ " queuelen: %9d\n"
+ " complete: %9s\n"
+ " send_only: %8s\n"
+ "\n",
+ gid_buf, created, queuelen,
+ complete ? "yes" : "no",
+ send_only ? "yes" : "no");
return 0;
}
-static struct seq_operations ipoib_seq_ops = {
+static struct seq_operations ipoib_mcg_seq_ops = {
.start = ipoib_mcg_seq_start,
.next = ipoib_mcg_seq_next,
.stop = ipoib_mcg_seq_stop,
@@ -124,7 +136,7 @@ static int ipoib_mcg_open(struct inode *inode, struct file *file)
struct seq_file *seq;
int ret;
- ret = seq_open(file, &ipoib_seq_ops);
+ ret = seq_open(file, &ipoib_mcg_seq_ops);
if (ret)
return ret;
@@ -134,7 +146,7 @@ static int ipoib_mcg_open(struct inode *inode, struct file *file)
return 0;
}
-static struct file_operations ipoib_fops = {
+static struct file_operations ipoib_mcg_fops = {
.owner = THIS_MODULE,
.open = ipoib_mcg_open,
.read = seq_read,
@@ -142,25 +154,138 @@ static struct file_operations ipoib_fops = {
.release = seq_release
};
-int ipoib_create_debug_file(struct net_device *dev)
+static void *ipoib_path_seq_start(struct seq_file *file, loff_t *pos)
+{
+ struct ipoib_path_iter *iter;
+ loff_t n = *pos;
+
+ iter = ipoib_path_iter_init(file->private);
+ if (!iter)
+ return NULL;
+
+ while (n--) {
+ if (ipoib_path_iter_next(iter)) {
+ kfree(iter);
+ return NULL;
+ }
+ }
+
+ return iter;
+}
+
+static void *ipoib_path_seq_next(struct seq_file *file, void *iter_ptr,
+ loff_t *pos)
+{
+ struct ipoib_path_iter *iter = iter_ptr;
+
+ (*pos)++;
+
+ if (ipoib_path_iter_next(iter)) {
+ kfree(iter);
+ return NULL;
+ }
+
+ return iter;
+}
+
+static void ipoib_path_seq_stop(struct seq_file *file, void *iter_ptr)
+{
+ /* nothing for now */
+}
+
+static int ipoib_path_seq_show(struct seq_file *file, void *iter_ptr)
+{
+ struct ipoib_path_iter *iter = iter_ptr;
+ char gid_buf[sizeof "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff"];
+ struct ipoib_path path;
+ int rate;
+
+ if (!iter)
+ return 0;
+
+ ipoib_path_iter_read(iter, &path);
+
+ format_gid(&path.pathrec.dgid, gid_buf);
+
+ seq_printf(file,
+ "GID: %s\n"
+ " complete: %6s\n",
+ gid_buf, path.pathrec.dlid ? "yes" : "no");
+
+ if (path.pathrec.dlid) {
+ rate = ib_sa_rate_enum_to_int(path.pathrec.rate) * 25;
+
+ seq_printf(file,
+ " DLID: 0x%04x\n"
+ " SL: %12d\n"
+ " rate: %*d%s Gb/sec\n",
+ be16_to_cpu(path.pathrec.dlid),
+ path.pathrec.sl,
+ 10 - ((rate % 10) ? 2 : 0),
+ rate / 10, rate % 10 ? ".5" : "");
+ }
+
+ seq_putc(file, '\n');
+
+ return 0;
+}
+
+static struct seq_operations ipoib_path_seq_ops = {
+ .start = ipoib_path_seq_start,
+ .next = ipoib_path_seq_next,
+ .stop = ipoib_path_seq_stop,
+ .show = ipoib_path_seq_show,
+};
+
+static int ipoib_path_open(struct inode *inode, struct file *file)
+{
+ struct seq_file *seq;
+ int ret;
+
+ ret = seq_open(file, &ipoib_path_seq_ops);
+ if (ret)
+ return ret;
+
+ seq = file->private_data;
+ seq->private = inode->u.generic_ip;
+
+ return 0;
+}
+
+static struct file_operations ipoib_path_fops = {
+ .owner = THIS_MODULE,
+ .open = ipoib_path_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = seq_release
+};
+
+void ipoib_create_debug_files(struct net_device *dev)
{
struct ipoib_dev_priv *priv = netdev_priv(dev);
- char name[IFNAMSIZ + sizeof "_mcg"];
+ char name[IFNAMSIZ + sizeof "_path"];
snprintf(name, sizeof name, "%s_mcg", dev->name);
-
priv->mcg_dentry = debugfs_create_file(name, S_IFREG | S_IRUGO,
- ipoib_root, dev, &ipoib_fops);
-
- return priv->mcg_dentry ? 0 : -ENOMEM;
+ ipoib_root, dev, &ipoib_mcg_fops);
+ if (!priv->mcg_dentry)
+ ipoib_warn(priv, "failed to create mcg debug file\n");
+
+ snprintf(name, sizeof name, "%s_path", dev->name);
+ priv->path_dentry = debugfs_create_file(name, S_IFREG | S_IRUGO,
+ ipoib_root, dev, &ipoib_path_fops);
+ if (!priv->path_dentry)
+ ipoib_warn(priv, "failed to create path debug file\n");
}
-void ipoib_delete_debug_file(struct net_device *dev)
+void ipoib_delete_debug_files(struct net_device *dev)
{
struct ipoib_dev_priv *priv = netdev_priv(dev);
if (priv->mcg_dentry)
debugfs_remove(priv->mcg_dentry);
+ if (priv->path_dentry)
+ debugfs_remove(priv->path_dentry);
}
int ipoib_register_debugfs(void)
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index ce0296273e76..2fa30751f362 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -58,6 +58,11 @@ module_param_named(debug_level, ipoib_debug_level, int, 0644);
MODULE_PARM_DESC(debug_level, "Enable debug tracing if > 0");
#endif
+struct ipoib_path_iter {
+ struct net_device *dev;
+ struct ipoib_path path;
+};
+
static const u8 ipv4_bcast_addr[] = {
0x00, 0xff, 0xff, 0xff,
0xff, 0x12, 0x40, 0x1b, 0x00, 0x00, 0x00, 0x00,
@@ -250,6 +255,64 @@ static void path_free(struct net_device *dev, struct ipoib_path *path)
kfree(path);
}
+#ifdef CONFIG_INFINIBAND_IPOIB_DEBUG
+
+struct ipoib_path_iter *ipoib_path_iter_init(struct net_device *dev)
+{
+ struct ipoib_path_iter *iter;
+
+ iter = kmalloc(sizeof *iter, GFP_KERNEL);
+ if (!iter)
+ return NULL;
+
+ iter->dev = dev;
+ memset(iter->path.pathrec.dgid.raw, 0, 16);
+
+ if (ipoib_path_iter_next(iter)) {
+ kfree(iter);
+ return NULL;
+ }
+
+ return iter;
+}
+
+int ipoib_path_iter_next(struct ipoib_path_iter *iter)
+{
+ struct ipoib_dev_priv *priv = netdev_priv(iter->dev);
+ struct rb_node *n;
+ struct ipoib_path *path;
+ int ret = 1;
+
+ spin_lock_irq(&priv->lock);
+
+ n = rb_first(&priv->path_tree);
+
+ while (n) {
+ path = rb_entry(n, struct ipoib_path, rb_node);
+
+ if (memcmp(iter->path.pathrec.dgid.raw, path->pathrec.dgid.raw,
+ sizeof (union ib_gid)) < 0) {
+ iter->path = *path;
+ ret = 0;
+ break;
+ }
+
+ n = rb_next(n);
+ }
+
+ spin_unlock_irq(&priv->lock);
+
+ return ret;
+}
+
+void ipoib_path_iter_read(struct ipoib_path_iter *iter,
+ struct ipoib_path *path)
+{
+ *path = iter->path;
+}
+
+#endif /* CONFIG_INFINIBAND_IPOIB_DEBUG */
+
void ipoib_flush_paths(struct net_device *dev)
{
struct ipoib_dev_priv *priv = netdev_priv(dev);
@@ -763,7 +826,7 @@ void ipoib_dev_cleanup(struct net_device *dev)
{
struct ipoib_dev_priv *priv = netdev_priv(dev), *cpriv, *tcpriv;
- ipoib_delete_debug_file(dev);
+ ipoib_delete_debug_files(dev);
/* Delete any child interfaces first */
list_for_each_entry_safe(cpriv, tcpriv, &priv->child_intfs, list) {
@@ -972,8 +1035,7 @@ static struct net_device *ipoib_add_port(const char *format,
goto register_failed;
}
- if (ipoib_create_debug_file(priv->dev))
- goto debug_failed;
+ ipoib_create_debug_files(priv->dev);
if (ipoib_add_pkey_attr(priv->dev))
goto sysfs_failed;
@@ -987,9 +1049,7 @@ static struct net_device *ipoib_add_port(const char *format,
return priv->dev;
sysfs_failed:
- ipoib_delete_debug_file(priv->dev);
-
-debug_failed:
+ ipoib_delete_debug_files(priv->dev);
unregister_netdev(priv->dev);
register_failed:
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
index 3ecf78a9493a..87096939e0b6 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
@@ -928,21 +928,16 @@ struct ipoib_mcast_iter *ipoib_mcast_iter_init(struct net_device *dev)
return NULL;
iter->dev = dev;
- memset(iter->mgid.raw, 0, sizeof iter->mgid);
+ memset(iter->mgid.raw, 0, 16);
if (ipoib_mcast_iter_next(iter)) {
- ipoib_mcast_iter_free(iter);
+ kfree(iter);
return NULL;
}
return iter;
}
-void ipoib_mcast_iter_free(struct ipoib_mcast_iter *iter)
-{
- kfree(iter);
-}
-
int ipoib_mcast_iter_next(struct ipoib_mcast_iter *iter)
{
struct ipoib_dev_priv *priv = netdev_priv(iter->dev);
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_vlan.c b/drivers/infiniband/ulp/ipoib/ipoib_vlan.c
index 332d730e60c2..d280b341a37f 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_vlan.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_vlan.c
@@ -113,8 +113,7 @@ int ipoib_vlan_add(struct net_device *pdev, unsigned short pkey)
priv->parent = ppriv->dev;
- if (ipoib_create_debug_file(priv->dev))
- goto debug_failed;
+ ipoib_create_debug_files(priv->dev);
if (ipoib_add_pkey_attr(priv->dev))
goto sysfs_failed;
@@ -130,9 +129,7 @@ int ipoib_vlan_add(struct net_device *pdev, unsigned short pkey)
return 0;
sysfs_failed:
- ipoib_delete_debug_file(priv->dev);
-
-debug_failed:
+ ipoib_delete_debug_files(priv->dev);
unregister_netdev(priv->dev);
register_failed:
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-29 13:26:26 +0000