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authorWillem de Bruijn <willemb@google.com>2018-04-26 13:42:21 -0400
committerDavid S. Miller <davem@davemloft.net>2018-04-26 15:09:12 -0400
commit83aa025f535f76733e334e3d2a4d8577c8441a7e (patch)
tree04dae9f8c0b71ec90612cac1ca947272447bde56 /include/linux/netdev_features.h
parent2e8de8576343ab540856082916bfb84d17288b08 (diff)
udp: add gso support to virtual devices
Virtual devices such as tunnels and bonding can handle large packets. Only segment packets when reaching a physical or loopback device. Signed-off-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/netdev_features.h')
-rw-r--r--include/linux/netdev_features.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/netdev_features.h b/include/linux/netdev_features.h
index 35b79f47a13d..fe2f3b30960e 100644
--- a/include/linux/netdev_features.h
+++ b/include/linux/netdev_features.h
@@ -55,8 +55,9 @@ enum {
NETIF_F_GSO_SCTP_BIT, /* ... SCTP fragmentation */
NETIF_F_GSO_ESP_BIT, /* ... ESP with TSO */
NETIF_F_GSO_UDP_BIT, /* ... UFO, deprecated except tuntap */
+ NETIF_F_GSO_UDP_L4_BIT, /* ... UDP payload GSO (not UFO) */
/**/NETIF_F_GSO_LAST = /* last bit, see GSO_MASK */
- NETIF_F_GSO_UDP_BIT,
+ NETIF_F_GSO_UDP_L4_BIT,
NETIF_F_FCOE_CRC_BIT, /* FCoE CRC32 */
NETIF_F_SCTP_CRC_BIT, /* SCTP checksum offload */
@@ -147,6 +148,7 @@ enum {
#define NETIF_F_HW_ESP_TX_CSUM __NETIF_F(HW_ESP_TX_CSUM)
#define NETIF_F_RX_UDP_TUNNEL_PORT __NETIF_F(RX_UDP_TUNNEL_PORT)
#define NETIF_F_HW_TLS_RECORD __NETIF_F(HW_TLS_RECORD)
+#define NETIF_F_GSO_UDP_L4 __NETIF_F(GSO_UDP_L4)
#define for_each_netdev_feature(mask_addr, bit) \
for_each_set_bit(bit, (unsigned long *)mask_addr, NETDEV_FEATURE_COUNT)
@@ -216,6 +218,7 @@ enum {
NETIF_F_GSO_GRE_CSUM | \
NETIF_F_GSO_IPXIP4 | \
NETIF_F_GSO_IPXIP6 | \
+ NETIF_F_GSO_UDP_L4 | \
NETIF_F_GSO_UDP_TUNNEL | \
NETIF_F_GSO_UDP_TUNNEL_CSUM)