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-rw-r--r--net/core/dev.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index 8d15415..a5efc9a 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1108,6 +1108,19 @@ out:
return ret;
}
+/* Take action when hardware reception checksum errors are detected. */
+#ifdef CONFIG_BUG
+void netdev_rx_csum_fault(struct net_device *dev)
+{
+ if (net_ratelimit()) {
+ printk(KERN_ERR "%s: hw csum failure.\n",
+ dev ? dev->name : "<unknown>");
+ dump_stack();
+ }
+}
+EXPORT_SYMBOL(netdev_rx_csum_fault);
+#endif
+
#ifdef CONFIG_HIGHMEM
/* Actually, we should eliminate this check as soon as we know, that:
* 1. IOMMU is present and allows to map all the memory.
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