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-rw-r--r--include/linux/netdevice.h3
-rw-r--r--net/bridge/br_if.c7
2 files changed, 9 insertions, 1 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index c0c2b46face..50a4719512e 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -320,6 +320,9 @@ struct net_device
#define NETIF_F_TSO_ECN (SKB_GSO_TCP_ECN << NETIF_F_GSO_SHIFT)
#define NETIF_F_TSO6 (SKB_GSO_TCPV6 << NETIF_F_GSO_SHIFT)
+ /* List of features with software fallbacks. */
+#define NETIF_F_GSO_SOFTWARE (NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6)
+
#define NETIF_F_GEN_CSUM (NETIF_F_NO_CSUM | NETIF_F_HW_CSUM)
#define NETIF_F_ALL_CSUM (NETIF_F_IP_CSUM | NETIF_F_GEN_CSUM)
diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c
index f55ef682ef8..b1211d5342f 100644
--- a/net/bridge/br_if.c
+++ b/net/bridge/br_if.c
@@ -386,12 +386,17 @@ void br_features_recompute(struct net_bridge *br)
checksum = 0;
if (feature & NETIF_F_GSO)
- feature |= NETIF_F_TSO;
+ feature |= NETIF_F_GSO_SOFTWARE;
feature |= NETIF_F_GSO;
features &= feature;
}
+ if (!(checksum & NETIF_F_ALL_CSUM))
+ features &= ~NETIF_F_SG;
+ if (!(features & NETIF_F_SG))
+ features &= ~NETIF_F_GSO_MASK;
+
br->dev->features = features | checksum | NETIF_F_LLTX |
NETIF_F_GSO_ROBUST;
}