datapath-windows: Rename files.

This patch includes the file renaming and accommodations needed for the file
renaming to build the forwarding extension for Hyper-V.

This patch is also a follow-up for the thread:
http://openvswitch.org/pipermail/dev/2014-August/044005.html

Signed-off-by: Samuel Ghinet <sghinet@cloudbasesolutions.com>
Co-authored-by: Alin Gabriel Serdean <aserdean@cloudbasesolutions.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>

1 files changed, 369 insertions, 0 deletions

diff --git a/datapath-windows/ovsext/NetProto.h b/datapath-windows/ovsext/NetProto.h
new file mode 100644
index 000000000..a364869b2
--- /dev/null
+++ b/datapath-windows/ovsext/NetProto.h
@@ -0,0 +1,369 @@
+/*
+ * Copyright (c) 2014 VMware, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __NET_PROTO_H_
+#define __NET_PROTO_H_ 1
+
+#include "precomp.h"
+#include "Ethernet.h"
+
+#define ETH_ADDR_LENGTH    6
+/*
+ * There is a more inclusive definition of ethernet header (Eth_Header) in
+ * OvsEth.h that is used for packet parsing. For simple cases, , use the following definition.
+ */
+typedef struct EthHdr {
+    UINT8       Destination[ETH_ADDR_LENGTH];
+    UINT8       Source[ETH_ADDR_LENGTH];
+    UINT16      Type;
+} EthHdr, *PEthHdr;
+
+#define IPV4                    4
+#define IPV6                    6
+
+#define IP_HDR_MIN_LENGTH      20
+#define TCP_HDR_MIN_LENGTH     20
+#define TCP_CSUM_OFFSET        16
+#define UDP_CSUM_OFFSET        6
+#define ICMP_CSUM_OFFSET       2
+#define INET_CSUM_LENGTH       (sizeof(UINT16))
+
+#define IP4_UNITS_TO_BYTES(x) ((x) << 2)
+#define IP4_BYTES_TO_UNITS(x) ((x) >> 2)
+
+// length unit for ip->ihl, tcp->doff
+typedef UINT32 IP4UnitLength;
+
+#define IP4_LENGTH_UNIT               (sizeof(IP4UnitLength))
+#define IP4_HDR_MIN_LENGTH_IN_UNITS   (IP_HDR_MIN_LENGTH / IP4_LENGTH_UNIT)
+#define TCP_HDR_MIN_LENGTH_IN_UNITS   (TCP_HDR_MIN_LENGTH / IP4_LENGTH_UNIT)
+
+#define IP4_IHL_NO_OPTIONS            IP4_HDR_MIN_LENGTH_IN_UNITS
+#define IP4_HDR_LEN(iph)              IP4_UNITS_TO_BYTES((iph)->ihl)
+
+// length unit for ip->frag_off
+typedef UINT64 IP4FragUnitLength;
+
+#define IP4_FRAG_UNIT_LENGTH          (sizeof(IP4FragUnitLength))
+
+// length UINT for ipv6 header length.
+typedef UINT64 IP6UnitLength;
+
+#define TCP_HDR_LEN(tcph)             IP4_UNITS_TO_BYTES((tcph)->doff)
+#define TCP_DATA_LENGTH(iph, tcph)    (ntohs(iph->tot_len) -                \
+                                       IP4_HDR_LEN(iph) - TCP_HDR_LEN(tcph))
+
+#define TCP_DATA_OFFSET_NO_OPTIONS    TCP_HDR_MIN_LENGTH_IN_UNITS
+#define TCP_DATA_OFFSET_WITH_TIMESTAMP 8
+
+/*
+ * This is the maximum value for the length field in the IP header. The meaning
+ * varies with IP protocols:
+ *    IPv4: the total ip length (including ip header and extention)
+ *    IPv6: the IP payload length (including IP extensions)
+ */
+#define IP_MAX_PACKET          0xFFFF
+
+#define IPPROTO_ICMP    1
+#define IPPROTO_IGMP    2
+#define IPPROTO_UDP     17
+#define IPPROTO_GRE     47
+#define IPPROTO_TCP     6
+#define IPPROTO_RSVD    0xff
+
+#define IPPROTO_HOPOPTS         0               /* Hop-by-hop option header */
+#define IPPROTO_IPV6            41              /* IPv6 in IPv6 */
+#define IPPROTO_ROUTING         43              /* Routing header */
+#define IPPROTO_FRAGMENT        44              /* Fragmentation/reassembly header */
+#define IPPROTO_GRE             47              /* General Routing Encapsulation */
+#define IPPROTO_ESP             50              /* Encap. Security Payload */
+#define IPPROTO_AH              51              /* Authentication header */
+#define IPPROTO_ICMPV6          58              /* ICMP for IPv6 */
+#define IPPROTO_NONE            59              /* No next header */
+#define IPPROTO_DSTOPTS         60              /* Destination options header */
+#define IPPROTO_ETHERIP         97              /* etherIp tunneled protocol */
+
+/* ICMPv6 types. */
+#define ND_NEIGHBOR_SOLICIT 135     /* neighbor solicitation */
+#define ND_NEIGHBOR_ADVERT  136     /* neighbor advertisment */
+
+/* IPv6 Neighbor discovery option header. */
+#define ND_OPT_SOURCE_LINKADDR  1
+#define ND_OPT_TARGET_LINKADDR  2
+
+/* Collides with MS definition (opposite order) */
+#define IP6F_OFF_HOST_ORDER_MASK 0xfff8
+
+#define ARPOP_REQUEST   1       /* ARP request.  */
+#define ARPOP_REPLY     2       /* ARP reply.    */
+#define RARPOP_REQUEST  3       /* RARP request. */
+#define RARPOP_REPLY    4       /* RARP reply.   */
+
+                                        /* all ARP NBO's assume short ar_op */
+#define ARPOP_REQUEST_NBO  0x0100       /* NBO ARP request.   */
+#define ARPOP_REPLY_NBO    0x0200       /* NBO ARP reply.     */
+#define RARPOP_REQUEST_NBO 0x0300       /* NBO RARP request.  */
+#define RARPOP_REPLY_NBO   0x0300       /* NBO RARP reply.    */
+
+#define ICMP_ECHO          8    /* Echo Request */
+#define ICMP_ECHOREPLY     0    /* Echo Reply */
+#define ICMP_DEST_UNREACH  3    /* Destination Unreachable */
+
+/* IGMP related constants */
+#define IGMP_UNKNOWN    0x00    /* For IGMP packets where we don't know the type */
+                                /* Eg: Fragmented packets without the header */
+
+/* Constants from RFC 3376 */
+#define IGMP_QUERY      0x11    /* IGMP Host Membership Query.    */
+#define IGMP_V1REPORT   0x12    /* IGMPv1 Host Membership Report. */
+#define IGMP_V2REPORT   0x16    /* IGMPv2 Host Membership Report. */
+#define IGMP_V3REPORT   0x22    /* IGMPv3 Host Membership Report. */
+#define IGMP_V2LEAVE    0x17    /* IGMPv2 Leave.                  */
+
+/* Constants from RFC 2710  and RFC 3810 */
+#define MLD_QUERY       0x82    /* Multicast Listener Query.      */
+#define MLD_V1REPORT    0x83    /* Multicast Listener V1 Report.  */
+#define MLD_V2REPORT    0x8F    /* Multicast Listener V2 Report.  */
+#define MLD_DONE        0x84    /* Multicast Listener Done.       */
+
+/* IPv4 offset flags */
+#define IP_CE           0x8000          /* Flag: "Congestion"           */
+#define IP_DF           0x4000          /* Flag: "Don't Fragment"       */
+#define IP_MF           0x2000          /* Flag: "More Fragments"       */
+#define IP_OFFSET       0x1FFF          /* "Fragment Offset" part       */
+
+#define IP_OFFSET_NBO   0xFF1F          /* "Fragment Offset" part, NBO   */
+#define IP_DF_NBO       0x0040          /* NBO version of don't fragment */
+#define IP_MF_NBO       0x0020          /* NBO version of more fragments */
+
+#define IPOPT_RTRALT    0x94
+
+/* IP Explicit Congestion Notification bits (TOS field) */
+#define IP_ECN_NOT_ECT 0
+#define IP_ECN_ECT_1   1
+#define IP_ECN_ECT_0   2
+#define IP_ECN_CE      3
+#define IP_ECN_MASK    3
+
+/* TCP options */
+#define TCP_OPT_NOP              1       /* Padding */
+#define TCP_OPT_EOL              0       /* End of options */
+#define TCP_OPT_MSS              2       /* Segment size negotiating */
+#define TCP_OPT_WINDOW           3       /* Window scaling */
+#define TCP_OPT_SACK_PERM        4       /* SACK Permitted */
+#define TCP_OPT_SACK             5       /* SACK Block */
+#define TCP_OPT_TIMESTAMP        8       /* Better RTT estimations/PAWS */
+#define TCP_OPT_MD5SIG           19      /* MD5 Signature (RFC2385) */
+
+#define TCP_OPT_LEN_MSS          4
+#define TCP_OPT_LEN_WINDOW       3
+#define TCP_OPT_LEN_SACK_PERM    2
+#define TCP_OPT_LEN_TIMESTAMP    10
+#define TCP_OPT_LEN_MD5SIG       18
+
+#define SOCKET_IPPROTO_HOPOPTS IPPROTO_HOPOPTS
+#define SOCKET_IPPROTO_ROUTING IPPROTO_ROUTING
+#define SOCKET_IPPROTO_FRAGMENT IPPROTO_FRAGMENT
+#define SOCKET_IPPROTO_AH IPPROTO_AH
+#define SOCKET_IPPROTO_ICMPV6 IPPROTO_ICMPV6
+#define SOCKET_IPPROTO_NONE IPPROTO_NONE
+#define SOCKET_IPPROTO_DSTOPTS IPPROTO_DSTOPTS
+#define SOCKET_IPPROTO_EON  80
+#define SOCKET_IPPROTO_ETHERIP IPPROTO_ETHERIP
+#define SOCKET_IPPROTO_ENCAP 98
+#define SOCKET_IPPROTO_PIM 103
+#define SOCKET_IPPROTO_IPCOMP 108
+#define SOCKET_IPPROTO_CARP 112
+#define SOCKET_IPPROTO_PFSYNC 240
+#define SOCKET_IPPROTO_RAW IPPROTO_RSVD
+
+typedef union _OVS_PACKET_HDR_INFO {
+    struct {
+        UINT16 l3Offset;
+        UINT16 l4Offset;
+        union {
+            UINT16 l7Offset;
+            UINT16 l4PayLoad;
+        };
+        UINT16 isIPv4:1;
+        UINT16 isIPv6:1;
+        UINT16 isTcp:1;
+        UINT16 isUdp:1;
+        UINT16 tcpCsumNeeded:1;
+        UINT16 udpCsumNeeded:1;
+        UINT16 udpCsumZero:1;
+        UINT16 pad:9;
+    } ;
+    UINT64 value;
+} OVS_PACKET_HDR_INFO, *POVS_PACKET_HDR_INFO;
+
+typedef struct IPHdr {
+   UINT8    ihl:4,
+            version:4;
+   UINT8    tos;
+   UINT16   tot_len;
+   UINT16   id;
+   UINT16   frag_off;
+   UINT8    ttl;
+   UINT8    protocol;
+   UINT16   check;
+   UINT32   saddr;
+   UINT32   daddr;
+} IPHdr;
+
+
+ /*
+ * IPv6 fixed header
+ *
+ * BEWARE, it is incorrect. The first 4 bits of flow_lbl
+ * are glued to priority now, forming "class".
+ */
+
+typedef struct IPv6Hdr {
+    UINT8    priority:4,
+             version:4;
+    UINT8    flow_lbl[3];
+
+    UINT16   payload_len;
+    UINT8    nexthdr;
+    UINT8    hop_limit;
+
+    struct in6_addr saddr;
+    struct in6_addr daddr;
+} IPv6Hdr;
+
+// Generic IPv6 extension header
+typedef struct IPv6ExtHdr {
+    UINT8        nextHeader; // type of the next header
+    UINT8        hdrExtLen;  // length of header extensions (beyond 8 bytes)
+    UINT16       optPad1;
+    UINT32       optPad2;
+} IPv6ExtHdr;
+
+typedef struct IPv6FragHdr {
+    UINT8 nextHeader;
+    UINT8 reserved;
+    UINT16 offlg;
+    UINT32 ident;
+} IPv6FragHdr;
+
+typedef struct IPv6NdOptHdr {
+    UINT8 type;
+    UINT8 len;
+} IPv6NdOptHdr;
+
+typedef struct ICMPHdr {
+   UINT8    type;
+   UINT8    code;
+   UINT16   checksum;
+} ICMPHdr;
+
+typedef struct ICMPEcho {
+   UINT16       id;
+   UINT16       seq;
+} ICMPEcho;
+
+typedef struct UDPHdr {
+   UINT16    source;
+   UINT16    dest;
+   UINT16    len;
+   UINT16    check;
+} UDPHdr;
+
+typedef struct TCPHdr {
+   UINT16    source;
+   UINT16    dest;
+   UINT32    seq;
+   UINT32    ack_seq;
+   UINT16    res1:4,
+             doff:4,
+             fin:1,
+             syn:1,
+             rst:1,
+             psh:1,
+             ack:1,
+             urg:1,
+             ece:1,
+             cwr:1;
+   UINT16    window;
+   UINT16    check;
+   UINT16    urg_ptr;
+} TCPHdr;
+
+typedef struct PseudoHdr {
+   UINT32   sourceIPAddr;
+   UINT32   destIPAddr;
+   UINT8    zero;
+   UINT8    protocol;
+   UINT16   length;
+} PseudoHdr;
+
+typedef struct PseudoHdrIPv6 {
+   UINT8    sourceIPAddr[16];
+   UINT8    destIPAddr[16];
+   UINT8    zero;
+   UINT8    protocol;
+   UINT16   length;
+} PseudoHdrIPv6;
+
+
+struct ArpHdr {
+   UINT16   ar_hrd;                /* Format of hardware address.  */
+   UINT16   ar_pro;                /* Format of protocol address.  */
+   UINT8    ar_hln;                /* Length of hardware address.  */
+   UINT8    ar_pln;                /* Length of protocol address.  */
+   UINT16   ar_op;                 /* ARP opcode (command).  */
+};
+
+typedef struct EtherArp {
+   struct ArpHdr ea_hdr;          /* fixed-size header */
+   Eth_Address   arp_sha;         /* sender hardware address */
+   UINT8         arp_spa[4];      /* sender protocol address */
+   Eth_Address   arp_tha;         /* target hardware address */
+   UINT8         arp_tpa[4];      /* target protocol address */
+} EtherArp;
+
+typedef struct IGMPHdr {
+   UINT8    type;
+   UINT8    maxResponseTime;
+   UINT16   csum;
+   UINT8    groupAddr[4];
+} IGMPHdr;
+
+typedef struct IGMPV3Trailer {
+   UINT8  qrv:3,
+            s:1,
+         resv:4;
+   UINT8 qqic;
+   UINT16 numSources;
+} IGMPV3Trailer;
+
+typedef struct IPOpt {
+   UINT8 type;
+   UINT8 length;
+   UINT16 value;
+} IPOpt;
+
+/*
+ * IP protocol types
+ */
+#define SOCKET_IPPROTO_IP    0
+#define SOCKET_IPPROTO_ICMP  1
+#define SOCKET_IPPROTO_TCP   6
+#define SOCKET_IPPROTO_UDP   17
+#define SOCKET_IPPROTO_GRE   47
+
+#endif /* __NET_PROTO_H_ */