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-rw-r--r--include/linux/netdevice.h9
-rw-r--r--net/8021q/vlan.c10
-rw-r--r--net/8021q/vlan.h2
-rw-r--r--net/8021q/vlan_dev.c5
4 files changed, 8 insertions, 18 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 2b0266484c84..f27fd2009334 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -514,12 +514,10 @@ struct net_device
514#define NETIF_F_NETNS_LOCAL 8192 /* Does not change network namespaces */ 514#define NETIF_F_NETNS_LOCAL 8192 /* Does not change network namespaces */
515#define NETIF_F_MULTI_QUEUE 16384 /* Has multiple TX/RX queues */ 515#define NETIF_F_MULTI_QUEUE 16384 /* Has multiple TX/RX queues */
516#define NETIF_F_LRO 32768 /* large receive offload */ 516#define NETIF_F_LRO 32768 /* large receive offload */
517#define NETIF_F_VLAN_TSO 65536 /* Supports TSO for VLANs */
518#define NETIF_F_VLAN_CSUM 131072 /* Supports TX checksumming for VLANs */
519 517
520 /* Segmentation offload features */ 518 /* Segmentation offload features */
521#define NETIF_F_GSO_SHIFT 20 519#define NETIF_F_GSO_SHIFT 16
522#define NETIF_F_GSO_MASK 0xfff00000 520#define NETIF_F_GSO_MASK 0xffff0000
523#define NETIF_F_TSO (SKB_GSO_TCPV4 << NETIF_F_GSO_SHIFT) 521#define NETIF_F_TSO (SKB_GSO_TCPV4 << NETIF_F_GSO_SHIFT)
524#define NETIF_F_UFO (SKB_GSO_UDP << NETIF_F_GSO_SHIFT) 522#define NETIF_F_UFO (SKB_GSO_UDP << NETIF_F_GSO_SHIFT)
525#define NETIF_F_GSO_ROBUST (SKB_GSO_DODGY << NETIF_F_GSO_SHIFT) 523#define NETIF_F_GSO_ROBUST (SKB_GSO_DODGY << NETIF_F_GSO_SHIFT)
@@ -747,6 +745,9 @@ struct net_device
747 /* rtnetlink link ops */ 745 /* rtnetlink link ops */
748 const struct rtnl_link_ops *rtnl_link_ops; 746 const struct rtnl_link_ops *rtnl_link_ops;
749 747
748 /* VLAN feature mask */
749 unsigned long vlan_features;
750
750 /* for setting kernel sock attribute on TCP connection setup */ 751 /* for setting kernel sock attribute on TCP connection setup */
751#define GSO_MAX_SIZE 65536 752#define GSO_MAX_SIZE 65536
752 unsigned int gso_max_size; 753 unsigned int gso_max_size;
diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index 51961300b586..ab2225da0ee2 100644
--- a/net/8021q/vlan.c
+++ b/net/8021q/vlan.c
@@ -387,14 +387,8 @@ static void vlan_transfer_features(struct net_device *dev,
387{ 387{
388 unsigned long old_features = vlandev->features; 388 unsigned long old_features = vlandev->features;
389 389
390 if (dev->features & NETIF_F_VLAN_TSO) { 390 vlandev->features &= ~dev->vlan_features;
391 vlandev->features &= ~VLAN_TSO_FEATURES; 391 vlandev->features |= dev->features & dev->vlan_features;
392 vlandev->features |= dev->features & VLAN_TSO_FEATURES;
393 }
394 if (dev->features & NETIF_F_VLAN_CSUM) {
395 vlandev->features &= ~NETIF_F_ALL_CSUM;
396 vlandev->features |= dev->features & NETIF_F_ALL_CSUM;
397 }
398 392
399 if (old_features != vlandev->features) 393 if (old_features != vlandev->features)
400 netdev_features_change(vlandev); 394 netdev_features_change(vlandev);
diff --git a/net/8021q/vlan.h b/net/8021q/vlan.h
index 79625696e86a..5229a72c7ea1 100644
--- a/net/8021q/vlan.h
+++ b/net/8021q/vlan.h
@@ -7,8 +7,6 @@
7#define VLAN_GRP_HASH_SIZE (1 << VLAN_GRP_HASH_SHIFT) 7#define VLAN_GRP_HASH_SIZE (1 << VLAN_GRP_HASH_SHIFT)
8#define VLAN_GRP_HASH_MASK (VLAN_GRP_HASH_SIZE - 1) 8#define VLAN_GRP_HASH_MASK (VLAN_GRP_HASH_SIZE - 1)
9 9
10#define VLAN_TSO_FEATURES (NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_SG)
11
12/* Find a VLAN device by the MAC address of its Ethernet device, and 10/* Find a VLAN device by the MAC address of its Ethernet device, and
13 * it's VLAN ID. The default configuration is to have VLAN's scope 11 * it's VLAN ID. The default configuration is to have VLAN's scope
14 * to be box-wide, so the MAC will be ignored. The mac will only be 12 * to be box-wide, so the MAC will be ignored. The mac will only be
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index b1cfbaa88db2..5d055c242ed8 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -663,10 +663,7 @@ static int vlan_dev_init(struct net_device *dev)
663 (1<<__LINK_STATE_DORMANT))) | 663 (1<<__LINK_STATE_DORMANT))) |
664 (1<<__LINK_STATE_PRESENT); 664 (1<<__LINK_STATE_PRESENT);
665 665
666 if (real_dev->features & NETIF_F_VLAN_TSO) 666 dev->features |= real_dev->features & real_dev->vlan_features;
667 dev->features |= real_dev->features & VLAN_TSO_FEATURES;
668 if (real_dev->features & NETIF_F_VLAN_CSUM)
669 dev->features |= real_dev->features & NETIF_F_ALL_CSUM;
670 667
671 /* ipv6 shared card related stuff */ 668 /* ipv6 shared card related stuff */
672 dev->dev_id = real_dev->dev_id; 669 dev->dev_id = real_dev->dev_id;