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-rw-r--r--include/linux/netdev_features.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/include/linux/netdev_features.h b/include/linux/netdev_features.h
index 6395f8309393..2c4e94ab88da 100644
--- a/include/linux/netdev_features.h
+++ b/include/linux/netdev_features.h
@@ -149,7 +149,12 @@ enum {
#define NETIF_F_GEN_CSUM NETIF_F_HW_CSUM
#define NETIF_F_V4_CSUM (NETIF_F_GEN_CSUM | NETIF_F_IP_CSUM)
#define NETIF_F_V6_CSUM (NETIF_F_GEN_CSUM | NETIF_F_IPV6_CSUM)
-#define NETIF_F_ALL_CSUM (NETIF_F_V4_CSUM | NETIF_F_V6_CSUM)
+
+/* List of IP checksum features. Note that NETIF_HW_CSUM should not be
+ * set in features when NETIF_F_IP_CSUM or NETIF_F_IPV6_CSUM are set--
+ * this would be contradictory
+ */
+#define NETIF_F_CSUM_MASK (NETIF_F_V4_CSUM | NETIF_F_V6_CSUM)
#define NETIF_F_ALL_TSO (NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_TSO_ECN)