diff options
Diffstat (limited to 'OvmfPkg/Include/IndustryStandard/VirtioNet.h')
| -rw-r--r-- | OvmfPkg/Include/IndustryStandard/VirtioNet.h | 196 |
1 files changed, 97 insertions, 99 deletions
diff --git a/OvmfPkg/Include/IndustryStandard/VirtioNet.h b/OvmfPkg/Include/IndustryStandard/VirtioNet.h index 9f5291a24..90d9702cb 100644 --- a/OvmfPkg/Include/IndustryStandard/VirtioNet.h +++ b/OvmfPkg/Include/IndustryStandard/VirtioNet.h @@ -1,99 +1,97 @@ -/** @file - - Virtio Network Device specific type and macro definitions corresponding to - the virtio-0.9.5 specification. - - Copyright (C) 2013, Red Hat, Inc. - - This program and the accompanying materials are licensed and made available - under the terms and conditions of the BSD License which accompanies this - distribution. The full text of the license may be found at - http://opensource.org/licenses/bsd-license.php - - THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT - WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. - -**/ - -#ifndef _VIRTIO_NET_H_ -#define _VIRTIO_NET_H_ - -#include <IndustryStandard/Virtio.h> - -// -// virtio-0.9.5, Appendix C: Network Device -// -#pragma pack(1) -typedef struct { - VIRTIO_HDR Generic; - UINT8 VhdrMac[6]; - UINT16 VhdrLinkStatus; -} VNET_HDR; -#pragma pack() - -#define OFFSET_OF_VNET(Field) OFFSET_OF (VNET_HDR, Field) -#define SIZE_OF_VNET(Field) (sizeof ((VNET_HDR *) 0)->Field) - -// -// Queue Identifiers -// -#define VIRTIO_NET_Q_RX 0 -#define VIRTIO_NET_Q_TX 1 - -// -// Feature Bits -// -#define VIRTIO_NET_F_CSUM BIT0 // host to checksum outgoing packets -#define VIRTIO_NET_F_GUEST_CSUM BIT1 // guest to checksum incoming packets -#define VIRTIO_NET_F_MAC BIT5 // MAC available to guest -#define VIRTIO_NET_F_GSO BIT6 // deprecated -#define VIRTIO_NET_F_GUEST_TSO4 BIT7 // guest can receive TSOv4 -#define VIRTIO_NET_F_GUEST_TSO6 BIT8 // guest can receive TSOv6 -#define VIRTIO_NET_F_GUEST_ECN BIT9 // guest can receive TSO with ECN -#define VIRTIO_NET_F_GUEST_UFO BIT10 // guest can receive UFO -#define VIRTIO_NET_F_HOST_TSO4 BIT11 // host can receive TSOv4 -#define VIRTIO_NET_F_HOST_TSO6 BIT12 // host can receive TSOv6 -#define VIRTIO_NET_F_HOST_ECN BIT13 // host can receive TSO with ECN -#define VIRTIO_NET_F_HOST_UFO BIT14 // host can receive UFO -#define VIRTIO_NET_F_MRG_RXBUF BIT15 // guest can merge receive buffers -#define VIRTIO_NET_F_STATUS BIT16 // link status available to guest -#define VIRTIO_NET_F_CTRL_VQ BIT17 // control channel available -#define VIRTIO_NET_F_CTRL_RX BIT18 // control channel RX mode support -#define VIRTIO_NET_F_CTRL_VLAN BIT19 // control channel VLAN filtering -#define VIRTIO_NET_F_GUEST_ANNOUNCE BIT21 // guest can send gratuitous pkts - -// -// Packet Header -// -#pragma pack(1) -typedef struct { - UINT8 Flags; - UINT8 GsoType; - UINT16 HdrLen; - UINT16 GsoSize; - UINT16 CsumStart; - UINT16 CsumOffset; -} VIRTIO_NET_REQ; -#pragma pack() - -// -// Bits in VIRTIO_NET_REQ.Flags -// -#define VIRTIO_NET_HDR_F_NEEDS_CSUM BIT0 - -// -// Types/Bits for VIRTIO_NET_REQ.GsoType -// -#define VIRTIO_NET_HDR_GSO_NONE 0x00 -#define VIRTIO_NET_HDR_GSO_TCPV4 0x01 -#define VIRTIO_NET_HDR_GSO_UDP 0x03 -#define VIRTIO_NET_HDR_GSO_TCPV6 0x04 -#define VIRTIO_NET_HDR_GSO_ECN BIT7 - -// -// Link Status Bits in VNET_HDR.VhdrLinkStatus -// -#define VIRTIO_NET_S_LINK_UP BIT0 -#define VIRTIO_NET_S_ANNOUNCE BIT1 - -#endif // _VIRTIO_NET_H_ +/** @file
+ Virtio Network Device specific type and macro definitions corresponding to
+ the virtio-0.9.5 specification.
+
+ Copyright (C) 2013, Red Hat, Inc.
+
+ This program and the accompanying materials are licensed and made available
+ under the terms and conditions of the BSD License which accompanies this
+ distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT
+ WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#ifndef _VIRTIO_NET_H_
+#define _VIRTIO_NET_H_
+
+#include <IndustryStandard/Virtio.h>
+
+//
+// virtio-0.9.5, Appendix C: Network Device
+//
+#pragma pack(1)
+typedef struct {
+ UINT8 Mac[6]; + UINT16 LinkStatus; +} VIRTIO_NET_CONFIG; +#pragma pack()
+
+#define OFFSET_OF_VNET(Field) OFFSET_OF (VIRTIO_NET_CONFIG, Field) +#define SIZE_OF_VNET(Field) (sizeof ((VIRTIO_NET_CONFIG *) 0)->Field) +
+//
+// Queue Identifiers
+//
+#define VIRTIO_NET_Q_RX 0
+#define VIRTIO_NET_Q_TX 1
+
+//
+// Feature Bits
+//
+#define VIRTIO_NET_F_CSUM BIT0 // host to checksum outgoing packets
+#define VIRTIO_NET_F_GUEST_CSUM BIT1 // guest to checksum incoming packets
+#define VIRTIO_NET_F_MAC BIT5 // MAC available to guest
+#define VIRTIO_NET_F_GSO BIT6 // deprecated
+#define VIRTIO_NET_F_GUEST_TSO4 BIT7 // guest can receive TSOv4
+#define VIRTIO_NET_F_GUEST_TSO6 BIT8 // guest can receive TSOv6
+#define VIRTIO_NET_F_GUEST_ECN BIT9 // guest can receive TSO with ECN
+#define VIRTIO_NET_F_GUEST_UFO BIT10 // guest can receive UFO
+#define VIRTIO_NET_F_HOST_TSO4 BIT11 // host can receive TSOv4
+#define VIRTIO_NET_F_HOST_TSO6 BIT12 // host can receive TSOv6
+#define VIRTIO_NET_F_HOST_ECN BIT13 // host can receive TSO with ECN
+#define VIRTIO_NET_F_HOST_UFO BIT14 // host can receive UFO
+#define VIRTIO_NET_F_MRG_RXBUF BIT15 // guest can merge receive buffers
+#define VIRTIO_NET_F_STATUS BIT16 // link status available to guest
+#define VIRTIO_NET_F_CTRL_VQ BIT17 // control channel available
+#define VIRTIO_NET_F_CTRL_RX BIT18 // control channel RX mode support
+#define VIRTIO_NET_F_CTRL_VLAN BIT19 // control channel VLAN filtering
+#define VIRTIO_NET_F_GUEST_ANNOUNCE BIT21 // guest can send gratuitous pkts
+
+//
+// Packet Header
+//
+#pragma pack(1)
+typedef struct {
+ UINT8 Flags;
+ UINT8 GsoType;
+ UINT16 HdrLen;
+ UINT16 GsoSize;
+ UINT16 CsumStart;
+ UINT16 CsumOffset;
+} VIRTIO_NET_REQ;
+#pragma pack()
+
+//
+// Bits in VIRTIO_NET_REQ.Flags
+//
+#define VIRTIO_NET_HDR_F_NEEDS_CSUM BIT0
+
+//
+// Types/Bits for VIRTIO_NET_REQ.GsoType
+//
+#define VIRTIO_NET_HDR_GSO_NONE 0x00
+#define VIRTIO_NET_HDR_GSO_TCPV4 0x01
+#define VIRTIO_NET_HDR_GSO_UDP 0x03
+#define VIRTIO_NET_HDR_GSO_TCPV6 0x04
+#define VIRTIO_NET_HDR_GSO_ECN BIT7
+
+//
+// Link Status Bits in VIRTIO_NET_CONFIG.LinkStatus +//
+#define VIRTIO_NET_S_LINK_UP BIT0
+#define VIRTIO_NET_S_ANNOUNCE BIT1
+
+#endif // _VIRTIO_NET_H_
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