Reorganize source tree to use single autotools instance
[vpp.git] / vnet / vnet / buffer.h
diff --git a/vnet/vnet/buffer.h b/vnet/vnet/buffer.h
deleted file mode 100644 (file)
index 7935027..0000000
+++ /dev/null
@@ -1,381 +0,0 @@
-/*
- * Copyright (c) 2015 Cisco and/or its affiliates.
- * 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.
- */
-/*
- * vnet/buffer.h: vnet buffer flags
- *
- * Copyright (c) 2008 Eliot Dresselhaus
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sublicense, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
- *  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
- *  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- *  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-#ifndef included_vnet_buffer_h
-#define included_vnet_buffer_h
-
-#include <vlib/vlib.h>
-
-/* VLIB buffer flags for ip4/ip6 packets.  Set by input interfaces for ip4/ip6
-   tcp/udp packets with hardware computed checksums. */
-#define LOG2_IP_BUFFER_L4_CHECKSUM_COMPUTED LOG2_VLIB_BUFFER_FLAG_USER(1)
-#define LOG2_IP_BUFFER_L4_CHECKSUM_CORRECT  LOG2_VLIB_BUFFER_FLAG_USER(2)
-#define IP_BUFFER_L4_CHECKSUM_COMPUTED (1 << LOG2_IP_BUFFER_L4_CHECKSUM_COMPUTED)
-#define IP_BUFFER_L4_CHECKSUM_CORRECT  (1 << LOG2_IP_BUFFER_L4_CHECKSUM_CORRECT)
-
-/* VLAN header flags.
- * These bits are zeroed in vlib_buffer_init_for_free_list()
- * meaning wherever the buffer comes from they have a reasonable
- * value (eg, if ip4/ip6 generates the packet.)
- */
-#define LOG2_ETH_BUFFER_VLAN_2_DEEP LOG2_VLIB_BUFFER_FLAG_USER(3)
-#define LOG2_ETH_BUFFER_VLAN_1_DEEP LOG2_VLIB_BUFFER_FLAG_USER(4)
-#define ETH_BUFFER_VLAN_2_DEEP (1 << LOG2_ETH_BUFFER_VLAN_2_DEEP)
-#define ETH_BUFFER_VLAN_1_DEEP (1 << LOG2_ETH_BUFFER_VLAN_1_DEEP)
-#define ETH_BUFFER_VLAN_BITS (ETH_BUFFER_VLAN_1_DEEP | \
-                              ETH_BUFFER_VLAN_2_DEEP)
-
-#define LOG2_VNET_BUFFER_RTE_MBUF_VALID LOG2_VLIB_BUFFER_FLAG_USER(5)
-#define VNET_BUFFER_RTE_MBUF_VALID (1 << LOG2_VNET_BUFFER_RTE_MBUF_VALID)
-
-#define LOG2_BUFFER_HANDOFF_NEXT_VALID LOG2_VLIB_BUFFER_FLAG_USER(6)
-#define BUFFER_HANDOFF_NEXT_VALID (1 << LOG2_BUFFER_HANDOFF_NEXT_VALID)
-
-#define LOG2_VNET_BUFFER_LOCALLY_ORIGINATED LOG2_VLIB_BUFFER_FLAG_USER(7)
-#define VNET_BUFFER_LOCALLY_ORIGINATED (1 << LOG2_VNET_BUFFER_LOCALLY_ORIGINATED)
-
-#define LOG2_VNET_BUFFER_SPAN_CLONE LOG2_VLIB_BUFFER_FLAG_USER(8)
-#define VNET_BUFFER_SPAN_CLONE (1 << LOG2_VNET_BUFFER_SPAN_CLONE)
-
-#define foreach_buffer_opaque_union_subtype     \
-_(ethernet)                                     \
-_(ip)                                           \
-_(mcast)                                        \
-_(swt)                                          \
-_(l2)                                           \
-_(l2t)                                          \
-_(gre)                                          \
-_(l2_classify)                                  \
-_(handoff)                                      \
-_(policer)                                      \
-_(ipsec)                                       \
-_(map)                                         \
-_(map_t)                                       \
-_(ip_frag)
-
-/*
- * vnet stack buffer opaque array overlay structure.
- * The vnet_buffer_opaque_t *must* be the same size as the
- * vlib_buffer_t "opaque" structure member, 32 bytes.
- *
- * When adding a union type, please add a stanza to
- * foreach_buffer_opaque_union_subtype (directly above).
- * Code in vnet_interface_init(...) verifies the size
- * of the union, and will announce any deviations in an
- * impossible-to-miss manner.
- */
-typedef struct
-{
-  u32 sw_if_index[VLIB_N_RX_TX];
-
-  union
-  {
-    /* Ethernet. */
-    struct
-    {
-      /* Saved value of current header by ethernet-input. */
-      i32 start_of_ethernet_header;
-    } ethernet;
-
-    /* IP4/6 buffer opaque. */
-    struct
-    {
-      /* Adjacency from destination IP address lookup [VLIB_TX].
-         Adjacency from source IP address lookup [VLIB_RX].
-         This gets set to ~0 until source lookup is performed. */
-      u32 adj_index[VLIB_N_RX_TX];
-
-      union
-      {
-       struct
-       {
-         /* Flow hash value for this packet computed from IP src/dst address
-            protocol and ports. */
-         u32 flow_hash;
-
-         /* next protocol */
-         u32 save_protocol;
-
-         /* Rewrite length */
-         u32 save_rewrite_length;
-       };
-
-       /* ICMP */
-       struct
-       {
-         u8 type;
-         u8 code;
-         u32 data;
-       } icmp;
-
-       /* IP header offset from vlib_buffer.data - saved by ip*_local nodes */
-       i32 start_of_ip_header;
-      };
-
-    } ip;
-
-    /*
-     * MPLS:
-     * data copied from the MPLS header that was popped from the packet
-     * during the look-up.
-     */
-    struct
-    {
-      u8 ttl;
-      u8 exp;
-      u8 first;
-    } mpls;
-
-    /* Multicast replication */
-    struct
-    {
-      u32 pad[3];
-      u32 mcast_group_index;
-      u32 mcast_current_index;
-      u32 original_free_list_index;
-    } mcast;
-
-    /* ip4-in-ip6 softwire termination, only valid there */
-    struct
-    {
-      u8 swt_disable;
-      u32 mapping_index;
-    } swt;
-
-    /* l2 bridging path, only valid there */
-    struct
-    {
-      u32 feature_bitmap;
-      u16 bd_index;            // bridge-domain index
-      u8 l2_len;               // ethernet header length
-      u8 shg;                  // split-horizon group
-    } l2;
-
-    /* l2tpv3 softwire encap, only valid there */
-    struct
-    {
-      u32 pad[4];              /* do not overlay w/ ip.adj_index[0,1] */
-      u8 next_index;
-      u32 session_index;
-    } l2t;
-
-    struct
-    {
-      u32 src, dst;
-    } gre;
-
-    /* L2 classify */
-    struct
-    {
-      u64 pad;
-      u32 table_index;
-      u32 opaque_index;
-      u64 hash;
-    } l2_classify;
-
-    /* IO - worker thread handoff */
-    struct
-    {
-      u32 next_index;
-    } handoff;
-
-    /* vnet policer */
-    struct
-    {
-      u32 pad[8 - VLIB_N_RX_TX - 1];   /* to end of opaque */
-      u32 index;
-    } policer;
-
-    /* interface output features */
-    struct
-    {
-      u32 flags;
-      u32 sad_index;
-    } ipsec;
-
-    /* vcgn udp inside input, only valid there */
-    struct
-    {
-      /* This part forms context of the packet. The structure should be
-       * exactly same as spp_ctx_t. Also this should be the first
-       * element of this vcgn_uii structure.
-       */
-      /****** BEGIN spp_ctx_t section ***********************/
-      union
-      {                                /* Roddick specific */
-       u32 roddick_info;
-       struct _tx_pkt_info
-       {                       /* Used by PI to PI communication for TX */
-         u32 uidb_index:16;    /* uidb_index to transmit */
-         u32 packet_type:2;    /* 1-IPv4, 2-Ipv6, - 0,3 - Unused */
-         u32 ipv4_defrag:1;    /* 0 - Normal, 1 - update first
-                                * segment size
-                                * (set by 6rd defrag node)
-                                */
-
-         u32 dst_ip_port_idx:4;        /* Index to dst_ip_port_table */
-         u32 from_node:4;
-         u32 calc_chksum:1;
-         u32 reserved:4;
-       } tx;
-       struct _rx_pkt_info
-       {                       /* Used by PD / PI communication */
-         u32 uidb_index:16;    /* uidb_index received in packet */
-         u32 packet_type:2;    /* 1-IPv4, 2-Ipv6, - 0,3 - Unused */
-         u32 icmp_type:1;      /* 0-ICMP query type, 1-ICMP error type */
-         u32 protocol_type:2;  /* 1-TCP, 2-UDP, 3-ICMP, 0 - Unused */
-         u32 ipv4_defrag:1;    /* 0 - Normal, 1 - update first
-                                * segment size
-                                * (set by 6rd defrag node)
-                                */
-
-         u32 direction:1;      /* 0-Outside, 1-Inside */
-         u32 frag:1;           /*IP fragment-1, Otherwise-0 */
-         u32 option:1;         /* 0-No IP option (v4) present, non-fragHdr
-                                * option hdr present (v6)
-                                */
-         u32 df_bit:1;         /* IPv4 DF bit copied here */
-         u32 reserved1:6;
-       } rx;
-      } ru;
-      /****** END  spp_ctx_t section ***********************/
-
-      union
-      {
-       struct
-       {
-         u32 ipv4;
-         u16 port;
-         u16 vrf;              //bit0-13:i/f, bit14-15:protocol
-       } k;
-
-       u64 key64;
-      } key;
-
-      u32 bucket;
-
-      u16 ovrf;                        /* Exit interface */
-      u8 frag_pkt;
-      u8 vcgn_unused1;
-    } vcgn_uii;
-
-    /* MAP */
-    struct
-    {
-      u16 mtu;
-    } map;
-
-    /* MAP-T */
-    struct
-    {
-      u32 map_domain_index;
-      struct
-      {
-       u32 saddr, daddr;
-       u16 frag_offset;        //Fragmentation header offset
-       u16 l4_offset;          //L4 header overall offset
-       u8 l4_protocol;         //The final protocol number
-      } v6;                    //Used by ip6_map_t only
-      u16 checksum_offset;     //L4 checksum overall offset
-      u16 mtu;                 //Exit MTU
-    } map_t;
-
-    /* IP Fragmentation */
-    struct
-    {
-      u16 header_offset;
-      u16 mtu;
-      u8 next_index;
-      u8 flags;                        //See ip_frag.h
-    } ip_frag;
-
-    /* COP - configurable junk filter(s) */
-    struct
-    {
-      /* Current configuration index. */
-      u32 current_config_index;
-    } cop;
-
-    /* LISP */
-    struct
-    {
-      /* overlay address family */
-      u16 overlay_afi;
-    } lisp;
-
-    /* Driver rx feature */
-    struct
-    {
-      u32 saved_next_index;            /**< saved by drivers for short-cut */
-      u16 buffer_advance;
-    } device_input_feat;
-
-    u32 unused[6];
-  };
-} vnet_buffer_opaque_t;
-
-/*
- * The opaque field of the vlib_buffer_t is intepreted as a
- * vnet_buffer_opaque_t. Hence it should be big enough to accommodate one.
- */
-STATIC_ASSERT (sizeof (vnet_buffer_opaque_t) <= STRUCT_SIZE_OF (vlib_buffer_t,
-                                                               opaque),
-              "VNET buffer meta-data too large for vlib_buffer");
-
-#define vnet_buffer(b) ((vnet_buffer_opaque_t *) (b)->opaque)
-
-/* Full cache line (64 bytes) of additional space */
-typedef struct
-{
-  union
-  {
-  };
-} vnet_buffer_opaque2_t;
-
-
-
-#endif /* included_vnet_buffer_h */
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */