summaryrefslogtreecommitdiffstats
path: root/.gitignore
blob: 63f02fa0693fcb00ae17993c59298bb8a1444f7b (plain) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107

*~
*.sw[op]

/build-root/.ccache
/build-root/build-*/
/build-root/install-*/
/build-root/tools
/build-root/dpdk-includes/
/build-root/packages-vpp/
/build-root/path_setup
/build-root/deb/debian/vpp-plugins/
/build-root/deb/.pybuild/
/build-root/*.deb
/build-root/*.rpm
/build-root/*.tar.xz
/build-root/*.changes
/build-root/rpmbuild/
/build-root/test-doc/
/build-root/test-cov/
/build-root/python/
/build-root/vapi_test/
/build-root/vom_test/
/build-config.mk
/build/external/*.tar.gz
/build/external/*.tar.xz
/build/external/vpp-*.deb
/build/external/vpp-*.changes
/build/external/downloads/
/path_setup
/tools/
# start autotools ignore
autom4te.cache/
config/
Makefile
Makefile.in
aclocal.m4
app.info
compile
config.h
config.log
config.guess
config.sub
config.status
configure
configure.scan
coverage_report
depcomp
install-sh
libtool
m4
missing
stamp-h1
ltmain.sh
ylwrap
test-driver

*.iml
.deps.ok
.settings
.autotools
# stop autotools ignore

# OSX and some IDE
.DS_Store
.idea/
.project
.cproject
.pydevproject
.vscode/
cmake-build*/

# cscope and ctags
/cscope.*
/tags
ID
TAGS
# ggtags
GPATH
GRTAGS
GTAGS
# Generated documentation
/build-root/docs
/build-root/.doxygen-bootstrap.ok
/build-root/.doxygen-siphon.dep
/docs/_build
/sphinx_venv
!/docs/Makefile

# indent backup files
*.BAK

# Python bytecode
*.pyc

# Python api generator
/src/vpp-api/python/build
/src/vpp-api/python/dist
/src/vpp-api/python/vpp_papi.egg-info

# Build files in the test directory
/test/*.ok

# vppctl command list
/src/scripts/vppctl-cmd-list

# No core files
**/core
Name.Attribute */ .highlight .nb { color: #f8f8f2 } /* Name.Builtin */ .highlight .nc { color: #a6e22e } /* Name.Class */ .highlight .no { color: #66d9ef } /* Name.Constant */ .highlight .nd { color: #a6e22e } /* Name.Decorator */ .highlight .ni { color: #f8f8f2 } /* Name.Entity */ .highlight .ne { color: #a6e22e } /* Name.Exception */ .highlight .nf { color: #a6e22e } /* Name.Function */ .highlight .nl { color: #f8f8f2 } /* Name.Label */ .highlight .nn { color: #f8f8f2 } /* Name.Namespace */ .highlight .nx { color: #a6e22e } /* Name.Other */ .highlight .py { color: #f8f8f2 } /* Name.Property */ .highlight .nt { color: #f92672 } /* Name.Tag */ .highlight .nv { color: #f8f8f2 } /* Name.Variable */ .highlight .ow { color: #f92672 } /* Operator.Word */ .highlight .w { color: #f8f8f2 } /* Text.Whitespace */ .highlight .mb { color: #ae81ff } /* Literal.Number.Bin */ .highlight .mf { color: #ae81ff } /* Literal.Number.Float */ .highlight .mh { color: #ae81ff } /* Literal.Number.Hex */ .highlight .mi { color: #ae81ff } /* Literal.Number.Integer */ .highlight .mo { color: #ae81ff } /* Literal.Number.Oct */ .highlight .sa { color: #e6db74 } /* Literal.String.Affix */ .highlight .sb { color: #e6db74 } /* Literal.String.Backtick */ .highlight .sc { color: #e6db74 } /* Literal.String.Char */ .highlight .dl { color: #e6db74 } /* Literal.String.Delimiter */ .highlight .sd { color: #e6db74 } /* Literal.String.Doc */ .highlight .s2 { color: #e6db74 } /* Literal.String.Double */ .highlight .se { color: #ae81ff } /* Literal.String.Escape */ .highlight .sh { color: #e6db74 } /* Literal.String.Heredoc */ .highlight .si { color: #e6db74 } /* Literal.String.Interpol */ .highlight .sx { color: #e6db74 } /* Literal.String.Other */ .highlight .sr { color: #e6db74 } /* Literal.String.Regex */ .highlight .s1 { color: #e6db74 } /* Literal.String.Single */ .highlight .ss { color: #e6db74 } /* Literal.String.Symbol */ .highlight .bp { color: #f8f8f2 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #a6e22e } /* Name.Function.Magic */ .highlight .vc { color: #f8f8f2 } /* Name.Variable.Class */ .highlight .vg { color: #f8f8f2 } /* Name.Variable.Global */ .highlight .vi { color: #f8f8f2 } /* Name.Variable.Instance */ .highlight .vm { color: #f8f8f2 } /* Name.Variable.Magic */ .highlight .il { color: #ae81ff } /* Literal.Number.Integer.Long */ } @media (prefers-color-scheme: light) { .highlight .hll { background-color: #ffffcc } .highlight .c { color: #888888 } /* Comment */ .highlight .err { color: #a61717; background-color: #e3d2d2 } /* Error */ .highlight .k { color: #008800; font-weight: bold } /* Keyword */ .highlight .ch { color: #888888 } /* Comment.Hashbang */ .highlight .cm { color: #888888 } /* Comment.Multiline */ .highlight .cp { color: #cc0000; font-weight: bold } /* Comment.Preproc */ .highlight .cpf { color: #888888 } /* Comment.PreprocFile */ .highlight .c1 { color: #888888 } /* Comment.Single */ .highlight .cs { color: #cc0000; font-weight: bold; background-color: #fff0f0 } /* Comment.Special */ .highlight .gd { color: #000000; background-color: #ffdddd } /* Generic.Deleted */ .highlight .ge { font-style: italic } /* Generic.Emph */ .highlight .gr { color: #aa0000 } /* Generic.Error */ .highlight .gh { color: #333333 } /* Generic.Heading */ .highlight .gi { color: #000000; background-color: #ddffdd } /* Generic.Inserted */ .highlight .go { color: #888888 } /* Generic.Output */ .highlight .gp { color: #555555 } /* Generic.Prompt */ .highlight .gs { font-weight: bold } /* Generic.Strong */ .highlight .gu { color: #666666 } /* Generic.Subheading */ .highlight .gt { color: #aa0000 } /* Generic.Traceback */ .highlight .kc { color: #008800; font-weight: bold } /* Keyword.Constant */ .highlight .kd { color: #008800; font-weight: bold } /* Keyword.Declaration */ .highlight .kn { color: #008800; font-weight: bold } /* Keyword.Namespace */ .highlight .kp { color: #008800 } /* Keyword.Pseudo */ .highlight .kr { color: #008800; font-weight: bold } /* Keyword.Reserved */ .highlight .kt { color: #888888; font-weight: bold } /* Keyword.Type */ .highlight .m { color: #0000DD; font-weight: bold } /* Literal.Number */ .highlight .s { color: #dd2200; background-color: #fff0f0 } /* Literal.String */ .highlight .na { color: #336699 } /* Name.Attribute */ .highlight .nb { color: #003388 } /* Name.Builtin */ .highlight .nc { color: #bb0066; font-weight: bold } /* Name.Class */ .highlight .no { color: #003366; font-weight: bold } /* Name.Constant */ .highlight .nd { color: #555555 } /* Name.Decorator */ .highlight .ne { color: #bb0066; font-weight: bold } /* Name.Exception */ .highlight .nf { color: #0066bb; font-weight: bold } /* Name.Function */ .highlight .nl { color: #336699; font-style: italic } /* Name.Label */ .highlight .nn { color: #bb0066; font-weight: bold } /* Name.Namespace */ .highlight .py { color: #336699; font-weight: bold } /* Name.Property */ .highlight .nt { color: #bb0066; font-weight: bold } /* Name.Tag */ .highlight .nv { color: #336699 } /* Name.Variable */ .highlight .ow { color: #008800 } /* Operator.Word */ .highlight .w { color: #bbbbbb } /* Text.Whitespace */ .highlight .mb { color: #0000DD; font-weight: bold } /* Literal.Number.Bin */ .highlight .mf { color: #0000DD; font-weight: bold } /* Literal.Number.Float */ .highlight .mh { color: #0000DD; font-weight: bold } /* Literal.Number.Hex */ .highlight .mi { color: #0000DD; font-weight: bold } /* Literal.Number.Integer */ .highlight .mo { color: #0000DD; font-weight: bold } /* Literal.Number.Oct */ .highlight .sa { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Affix */ .highlight .sb { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Backtick */ .highlight .sc { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Char */ .highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */ .highlight .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */ .highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */ .highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */ .highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */ .highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */ .highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */ .highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */ .highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */ .highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */ .highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */ .highlight .vc { color: #336699 } /* Name.Variable.Class */ .highlight .vg { color: #dd7700 } /* Name.Variable.Global */ .highlight .vi { color: #3333bb } /* Name.Variable.Instance */ .highlight .vm { color: #336699 } /* Name.Variable.Magic */ .highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */ } 
/*
 * 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:
 */