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>

1 files changed, 0 insertions, 68 deletions

diff --git a/drivers/net/xen-netback/hash.c b/drivers/net/xen-netback/hash.c
index e8c5dddc54ba..613bac057650 100644
--- a/drivers/net/xen-netback/hash.c
+++ b/drivers/net/xen-netback/hash.c
@@ -360,74 +360,6 @@ u32 xenvif_set_hash_mapping(struct xenvif *vif, u32 gref, u32 len,
 	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)