Revert "xen-netback: create a debugfs node for hash information"
This reverts commit c0c64c152389ad73306b9b0796357210ec6d32ee.
There is no vif->ctrl_task member, so this change broke
the build.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/xen-netback/common.h b/drivers/net/xen-netback/common.h
index ff94c51..b38fb2c 100644
--- a/drivers/net/xen-netback/common.h
+++ b/drivers/net/xen-netback/common.h
@@ -410,8 +410,4 @@
void xenvif_set_skb_hash(struct xenvif *vif, struct sk_buff *skb);
-#ifdef CONFIG_DEBUG_FS
-void xenvif_dump_hash_info(struct xenvif *vif, struct seq_file *m);
-#endif
-
#endif /* __XEN_NETBACK__COMMON_H__ */
diff --git a/drivers/net/xen-netback/hash.c b/drivers/net/xen-netback/hash.c
index e8c5ddd..613bac0 100644
--- a/drivers/net/xen-netback/hash.c
+++ b/drivers/net/xen-netback/hash.c
@@ -360,74 +360,6 @@
return XEN_NETIF_CTRL_STATUS_SUCCESS;
}
-#ifdef CONFIG_DEBUG_FS
-void xenvif_dump_hash_info(struct xenvif *vif, struct seq_file *m)
-{
- unsigned int i;
-
- switch (vif->hash.alg) {
- case XEN_NETIF_CTRL_HASH_ALGORITHM_TOEPLITZ:
- seq_puts(m, "Hash Algorithm: TOEPLITZ\n");
- break;
-
- case XEN_NETIF_CTRL_HASH_ALGORITHM_NONE:
- seq_puts(m, "Hash Algorithm: NONE\n");
- /* FALLTHRU */
- default:
- return;
- }
-
- if (vif->hash.flags) {
- seq_puts(m, "\nHash Flags:\n");
-
- if (vif->hash.flags & XEN_NETIF_CTRL_HASH_TYPE_IPV4)
- seq_puts(m, "- IPv4\n");
- if (vif->hash.flags & XEN_NETIF_CTRL_HASH_TYPE_IPV4_TCP)
- seq_puts(m, "- IPv4 + TCP\n");
- if (vif->hash.flags & XEN_NETIF_CTRL_HASH_TYPE_IPV6)
- seq_puts(m, "- IPv6\n");
- if (vif->hash.flags & XEN_NETIF_CTRL_HASH_TYPE_IPV6_TCP)
- seq_puts(m, "- IPv6 + TCP\n");
- }
-
- seq_puts(m, "\nHash Key:\n");
-
- for (i = 0; i < XEN_NETBK_MAX_HASH_KEY_SIZE; ) {
- unsigned int j, n;
-
- n = 8;
- if (i + n >= XEN_NETBK_MAX_HASH_KEY_SIZE)
- n = XEN_NETBK_MAX_HASH_KEY_SIZE - i;
-
- seq_printf(m, "[%2u - %2u]: ", i, i + n - 1);
-
- for (j = 0; j < n; j++, i++)
- seq_printf(m, "%02x ", vif->hash.key[i]);
-
- seq_puts(m, "\n");
- }
-
- if (vif->hash.size != 0) {
- seq_puts(m, "\nHash Mapping:\n");
-
- for (i = 0; i < vif->hash.size; ) {
- unsigned int j, n;
-
- n = 8;
- if (i + n >= vif->hash.size)
- n = vif->hash.size - i;
-
- seq_printf(m, "[%4u - %4u]: ", i, i + n - 1);
-
- for (j = 0; j < n; j++, i++)
- seq_printf(m, "%4u ", vif->hash.mapping[i]);
-
- seq_puts(m, "\n");
- }
- }
-}
-#endif /* CONFIG_DEBUG_FS */
-
void xenvif_init_hash(struct xenvif *vif)
{
if (xenvif_hash_cache_size == 0)
diff --git a/drivers/net/xen-netback/xenbus.c b/drivers/net/xen-netback/xenbus.c
index 9911b4e..daf4c78 100644
--- a/drivers/net/xen-netback/xenbus.c
+++ b/drivers/net/xen-netback/xenbus.c
@@ -165,7 +165,7 @@
return count;
}
-static int xenvif_io_ring_open(struct inode *inode, struct file *filp)
+static int xenvif_dump_open(struct inode *inode, struct file *filp)
{
int ret;
void *queue = NULL;
@@ -179,35 +179,13 @@
static const struct file_operations xenvif_dbg_io_ring_ops_fops = {
.owner = THIS_MODULE,
- .open = xenvif_io_ring_open,
+ .open = xenvif_dump_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
.write = xenvif_write_io_ring,
};
-static int xenvif_read_ctrl(struct seq_file *m, void *v)
-{
- struct xenvif *vif = m->private;
-
- xenvif_dump_hash_info(vif, m);
-
- return 0;
-}
-
-static int xenvif_ctrl_open(struct inode *inode, struct file *filp)
-{
- return single_open(filp, xenvif_read_ctrl, inode->i_private);
-}
-
-static const struct file_operations xenvif_dbg_ctrl_ops_fops = {
- .owner = THIS_MODULE,
- .open = xenvif_ctrl_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
-
static void xenvif_debugfs_addif(struct xenvif *vif)
{
struct dentry *pfile;
@@ -232,17 +210,6 @@
pr_warn("Creation of io_ring file returned %ld!\n",
PTR_ERR(pfile));
}
-
- if (vif->ctrl_task) {
- pfile = debugfs_create_file("ctrl",
- S_IRUSR,
- vif->xenvif_dbg_root,
- vif,
- &xenvif_dbg_ctrl_ops_fops);
- if (IS_ERR_OR_NULL(pfile))
- pr_warn("Creation of ctrl file returned %ld!\n",
- PTR_ERR(pfile));
- }
} else
netdev_warn(vif->dev,
"Creation of vif debugfs dir returned %ld!\n",