Reorganize source tree to use single autotools instance

Change-Id: I7b51f88292e057c6443b12224486f2d0c9f8ae23
Signed-off-by: Damjan Marion <damarion@cisco.com>

1 files changed, 381 insertions, 0 deletions

diff --git a/src/vnet/buffer.h b/src/vnet/buffer.h
new file mode 100644
index 00000000000..7935027f9ec
--- /dev/null
+++ b/src/vnet/buffer.h
@@ -0,0 +1,381 @@
+/*
+ * 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:
+ */