Drivers: net: hyperv: Enable large send offload

[firefly-linux-kernel-4.4.55.git] / drivers / net / hyperv / hyperv_net.h

diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h
index 4cf238234321996c92b04e3e0b297396dbf9c848..7d06b49593839f36684df444ae796ea25586c28c 100644 (file)
--- a/drivers/net/hyperv/hyperv_net.h
+++ b/drivers/net/hyperv/hyperv_net.h
@@ -742,6 +742,10 @@ struct ndis_oject_header {
 #define NDIS_OFFLOAD_PARAMETERS_RX_ENABLED_TX_DISABLED 3
 #define NDIS_OFFLOAD_PARAMETERS_TX_RX_ENABLED 4
 
+#define NDIS_TCP_LARGE_SEND_OFFLOAD_V2_TYPE    1
+#define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV4       0
+#define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV6       1
+
 /*
  * New offload OIDs for NDIS 6
  */
@@ -804,12 +808,48 @@ struct ndis_tcp_ip_checksum_info {
        };
 };
 
+struct ndis_tcp_lso_info {
+       union {
+               struct {
+                       u32 unused:30;
+                       u32 type:1;
+                       u32 reserved2:1;
+               } transmit;
+               struct {
+                       u32 mss:20;
+                       u32 tcp_header_offset:10;
+                       u32 type:1;
+                       u32 reserved2:1;
+               } lso_v1_transmit;
+               struct {
+                       u32 tcp_payload:30;
+                       u32 type:1;
+                       u32 reserved2:1;
+               } lso_v1_transmit_complete;
+               struct {
+                       u32 mss:20;
+                       u32 tcp_header_offset:10;
+                       u32 type:1;
+                       u32 ip_version:1;
+               } lso_v2_transmit;
+               struct {
+                       u32 reserved:30;
+                       u32 type:1;
+                       u32 reserved2:1;
+               } lso_v2_transmit_complete;
+               u32  value;
+       };
+};
+
 #define NDIS_VLAN_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
                sizeof(struct ndis_pkt_8021q_info))
 
 #define NDIS_CSUM_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
                sizeof(struct ndis_tcp_ip_checksum_info))
 
+#define NDIS_LSO_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
+               sizeof(struct ndis_tcp_lso_info))
+
 /* Format of Information buffer passed in a SetRequest for the OID */
 /* OID_GEN_RNDIS_CONFIG_PARAMETER. */
 struct rndis_config_parameter_info {