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-rw-r--r--vnet/vnet/ip/ip6_packet.h499
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diff --git a/vnet/vnet/ip/ip6_packet.h b/vnet/vnet/ip/ip6_packet.h
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index 1e551c8b67d..00000000000
--- a/vnet/vnet/ip/ip6_packet.h
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@@ -1,499 +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.
- */
-/*
- * ip6/packet.h: ip6 packet format
- *
- * 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_ip6_packet_h
-#define included_ip6_packet_h
-
-#include <vnet/ip/tcp_packet.h>
-#include <vnet/ip/ip4_packet.h>
-
-typedef union
-{
- u8 as_u8[16];
- u16 as_u16[8];
- u32 as_u32[4];
- u64 as_u64[2];
- uword as_uword[16 / sizeof (uword)];
-}
-ip6_address_t;
-
-/* Packed so that the mhash key doesn't include uninitialized pad bytes */
-/* *INDENT-OFF* */
-typedef CLIB_PACKED (struct {
- /* IP address must be first for ip_interface_address_get_address() to work */
- ip6_address_t ip6_addr;
- u32 fib_index;
-}) ip6_address_fib_t;
-/* *INDENT-ON* */
-
-/* *INDENT-OFF* */
-typedef CLIB_PACKED (union {
- struct {
- u32 pad[3];
- ip4_address_t ip4;
- };
- ip6_address_t ip6;
- u8 as_u8[16];
- u64 as_u64[2];
-}) ip46_address_t;
-/* *INDENT-ON* */
-#define ip46_address_is_ip4(ip46) (((ip46)->pad[0] | (ip46)->pad[1] | (ip46)->pad[2]) == 0)
-#define ip46_address_mask_ip4(ip46) ((ip46)->pad[0] = (ip46)->pad[1] = (ip46)->pad[2] = 0)
-#define ip46_address_set_ip4(ip46, ip) (ip46_address_mask_ip4(ip46), (ip46)->ip4 = (ip)[0])
-#define ip46_address_reset(ip46) ((ip46)->as_u64[0] = (ip46)->as_u64[1] = 0)
-#define ip46_address_cmp(ip46_1, ip46_2) (memcmp(ip46_1, ip46_2, sizeof(*ip46_1)))
-#define ip46_address_is_zero(ip46) (((ip46)->as_u64[0] == 0) && ((ip46)->as_u64[1] == 0))
-
-always_inline void
-ip46_from_addr_buf (u32 is_ipv6, u8 * buf, ip46_address_t * ip)
-{
- if (is_ipv6)
- ip->ip6 = *((ip6_address_t *) buf);
- else
- ip46_address_set_ip4 (ip, (ip4_address_t *) buf);
-}
-
-always_inline void
-ip6_addr_fib_init (ip6_address_fib_t * addr_fib, ip6_address_t * address,
- u32 fib_index)
-{
- addr_fib->ip6_addr.as_u64[0] = address->as_u64[0];
- addr_fib->ip6_addr.as_u64[1] = address->as_u64[1];
- addr_fib->fib_index = fib_index;
-}
-
-/* Special addresses:
- unspecified ::/128
- loopback ::1/128
- global unicast 2000::/3
- unique local unicast fc00::/7
- link local unicast fe80::/10
- multicast ff00::/8
- ietf reserved everything else. */
-
-#define foreach_ip6_multicast_address_scope \
- _ (loopback, 0x1) \
- _ (link_local, 0x2) \
- _ (admin_local, 0x4) \
- _ (site_local, 0x5) \
- _ (organization_local, 0x8) \
- _ (global, 0xe)
-
-#define foreach_ip6_multicast_link_local_group_id \
- _ (all_hosts, 0x1) \
- _ (all_routers, 0x2) \
- _ (rip_routers, 0x9) \
- _ (eigrp_routers, 0xa) \
- _ (pim_routers, 0xd) \
- _ (mldv2_routers, 0x16)
-
-typedef enum
-{
-#define _(f,n) IP6_MULTICAST_SCOPE_##f = n,
- foreach_ip6_multicast_address_scope
-#undef _
-} ip6_multicast_address_scope_t;
-
-typedef enum
-{
-#define _(f,n) IP6_MULTICAST_GROUP_ID_##f = n,
- foreach_ip6_multicast_link_local_group_id
-#undef _
-} ip6_multicast_link_local_group_id_t;
-
-always_inline uword
-ip6_address_is_multicast (ip6_address_t * a)
-{
- return a->as_u8[0] == 0xff;
-}
-
-always_inline uword
-ip46_address_is_multicast (ip46_address_t * a)
-{
- return ip46_address_is_ip4 (a) ? ip4_address_is_multicast (&a->ip4) :
- ip6_address_is_multicast (&a->ip6);
-}
-
-always_inline void
-ip6_set_reserved_multicast_address (ip6_address_t * a,
- ip6_multicast_address_scope_t scope,
- u16 id)
-{
- a->as_u64[0] = a->as_u64[1] = 0;
- a->as_u16[0] = clib_host_to_net_u16 (0xff00 | scope);
- a->as_u16[7] = clib_host_to_net_u16 (id);
-}
-
-always_inline void
-ip6_set_solicited_node_multicast_address (ip6_address_t * a, u32 id)
-{
- /* 0xff02::1:ffXX:XXXX. */
- a->as_u64[0] = a->as_u64[1] = 0;
- a->as_u16[0] = clib_host_to_net_u16 (0xff02);
- a->as_u8[11] = 1;
- ASSERT ((id >> 24) == 0);
- id |= 0xff << 24;
- a->as_u32[3] = clib_host_to_net_u32 (id);
-}
-
-always_inline void
-ip6_link_local_address_from_ethernet_address (ip6_address_t * a,
- u8 * ethernet_address)
-{
- a->as_u64[0] = a->as_u64[1] = 0;
- a->as_u16[0] = clib_host_to_net_u16 (0xfe80);
- /* Always set locally administered bit (6). */
- a->as_u8[0x8] = ethernet_address[0] | (1 << 6);
- a->as_u8[0x9] = ethernet_address[1];
- a->as_u8[0xa] = ethernet_address[2];
- a->as_u8[0xb] = 0xff;
- a->as_u8[0xc] = 0xfe;
- a->as_u8[0xd] = ethernet_address[3];
- a->as_u8[0xe] = ethernet_address[4];
- a->as_u8[0xf] = ethernet_address[5];
-}
-
-always_inline void
-ip6_multicast_ethernet_address (u8 * ethernet_address, u32 group_id)
-{
- ethernet_address[0] = 0x33;
- ethernet_address[1] = 0x33;
- ethernet_address[2] = ((group_id >> 24) & 0xff);
- ethernet_address[3] = ((group_id >> 16) & 0xff);
- ethernet_address[4] = ((group_id >> 8) & 0xff);
- ethernet_address[5] = ((group_id >> 0) & 0xff);
-}
-
-always_inline uword
-ip6_address_is_equal (ip6_address_t * a, ip6_address_t * b)
-{
- int i;
- for (i = 0; i < ARRAY_LEN (a->as_uword); i++)
- if (a->as_uword[i] != b->as_uword[i])
- return 0;
- return 1;
-}
-
-always_inline uword
-ip6_address_is_equal_masked (ip6_address_t * a, ip6_address_t * b,
- ip6_address_t * mask)
-{
- int i;
- for (i = 0; i < ARRAY_LEN (a->as_uword); i++)
- {
- uword a_masked, b_masked;
- a_masked = a->as_uword[i] & mask->as_uword[i];
- b_masked = b->as_uword[i] & mask->as_uword[i];
-
- if (a_masked != b_masked)
- return 0;
- }
- return 1;
-}
-
-always_inline void
-ip6_address_mask (ip6_address_t * a, ip6_address_t * mask)
-{
- int i;
- for (i = 0; i < ARRAY_LEN (a->as_uword); i++)
- a->as_uword[i] &= mask->as_uword[i];
-}
-
-always_inline void
-ip6_address_set_zero (ip6_address_t * a)
-{
- int i;
- for (i = 0; i < ARRAY_LEN (a->as_uword); i++)
- a->as_uword[i] = 0;
-}
-
-always_inline void
-ip6_address_mask_from_width (ip6_address_t * a, u32 width)
-{
- int i, byte, bit, bitnum;
- ASSERT (width <= 128);
- memset (a, 0, sizeof (a[0]));
- for (i = 0; i < width; i++)
- {
- bitnum = (7 - (i & 7));
- byte = i / 8;
- bit = 1 << bitnum;
- a->as_u8[byte] |= bit;
- }
-}
-
-always_inline uword
-ip6_address_is_zero (ip6_address_t * a)
-{
- int i;
- for (i = 0; i < ARRAY_LEN (a->as_uword); i++)
- if (a->as_uword[i] != 0)
- return 0;
- return 1;
-}
-
-/* Check for unspecified address ::0 */
-always_inline uword
-ip6_address_is_unspecified (ip6_address_t * a)
-{
- return ip6_address_is_zero (a);
-}
-
-/* Check for loopback address ::1 */
-always_inline uword
-ip6_address_is_loopback (ip6_address_t * a)
-{
- uword is_loopback;
- u8 save = a->as_u8[15];
- a->as_u8[15] = save ^ 1;
- is_loopback = ip6_address_is_zero (a);
- a->as_u8[15] = save;
- return is_loopback;
-}
-
-/* Check for link local unicast fe80::/10. */
-always_inline uword
-ip6_address_is_link_local_unicast (ip6_address_t * a)
-{
- return a->as_u8[0] == 0xfe && (a->as_u8[1] & 0xc0) == 0x80;
-}
-
-/* Check for unique local unicast fc00::/7. */
-always_inline uword
-ip6_address_is_local_unicast (ip6_address_t * a)
-{
- return (a->as_u8[0] & 0xfe) == 0xfc;
-}
-
-/* Check for unique global unicast 2000::/3. */
-always_inline uword
-ip6_address_is_global_unicast (ip6_address_t * a)
-{
- return (a->as_u8[0] & 0xe0) == 0x20;
-}
-
-/* Check for solicited node multicast 0xff02::1:ff00:0/104 */
-always_inline uword
-ip6_is_solicited_node_multicast_address (ip6_address_t * a)
-{
- return (a->as_u32[0] == clib_host_to_net_u32 (0xff020000)
- && a->as_u32[1] == 0
- && a->as_u32[2] == clib_host_to_net_u32 (1)
- && a->as_u8[12] == 0xff);
-}
-
-typedef struct
-{
- /* 4 bit version, 8 bit traffic class and 20 bit flow label. */
- u32 ip_version_traffic_class_and_flow_label;
-
- /* Total packet length not including this header (but including
- any extension headers if present). */
- u16 payload_length;
-
- /* Protocol for next header. */
- u8 protocol;
-
- /* Hop limit decremented by router at each hop. */
- u8 hop_limit;
-
- /* Source and destination address. */
- ip6_address_t src_address, dst_address;
-} ip6_header_t;
-
-always_inline void *
-ip6_next_header (ip6_header_t * i)
-{
- return (void *) (i + 1);
-}
-
-always_inline void
-ip6_copy_header (ip6_header_t * dst, const ip6_header_t * src)
-{
- dst->ip_version_traffic_class_and_flow_label =
- src->ip_version_traffic_class_and_flow_label;
- dst->payload_length = src->payload_length;
- dst->protocol = src->protocol;
- dst->hop_limit = src->hop_limit;
-
- dst->src_address.as_uword[0] = src->src_address.as_uword[0];
- dst->src_address.as_uword[1] = src->src_address.as_uword[1];
- dst->dst_address.as_uword[0] = src->dst_address.as_uword[0];
- dst->dst_address.as_uword[1] = src->dst_address.as_uword[1];
-}
-
-always_inline void
-ip6_tcp_reply_x1 (ip6_header_t * ip0, tcp_header_t * tcp0)
-{
- {
- ip6_address_t src0, dst0;
-
- src0 = ip0->src_address;
- dst0 = ip0->dst_address;
- ip0->src_address = dst0;
- ip0->dst_address = src0;
- }
-
- {
- u16 src0, dst0;
-
- src0 = tcp0->ports.src;
- dst0 = tcp0->ports.dst;
- tcp0->ports.src = dst0;
- tcp0->ports.dst = src0;
- }
-}
-
-always_inline void
-ip6_tcp_reply_x2 (ip6_header_t * ip0, ip6_header_t * ip1,
- tcp_header_t * tcp0, tcp_header_t * tcp1)
-{
- {
- ip6_address_t src0, dst0, src1, dst1;
-
- src0 = ip0->src_address;
- src1 = ip1->src_address;
- dst0 = ip0->dst_address;
- dst1 = ip1->dst_address;
- ip0->src_address = dst0;
- ip1->src_address = dst1;
- ip0->dst_address = src0;
- ip1->dst_address = src1;
- }
-
- {
- u16 src0, dst0, src1, dst1;
-
- src0 = tcp0->ports.src;
- src1 = tcp1->ports.src;
- dst0 = tcp0->ports.dst;
- dst1 = tcp1->ports.dst;
- tcp0->ports.src = dst0;
- tcp1->ports.src = dst1;
- tcp0->ports.dst = src0;
- tcp1->ports.dst = src1;
- }
-}
-
-
-/* *INDENT-OFF* */
-typedef CLIB_PACKED (struct {
- u8 data;
-}) ip6_pad1_option_t;
-/* *INDENT-ON* */
-
-/* *INDENT-OFF* */
-typedef CLIB_PACKED (struct {
- u8 type;
- u8 len;
- u8 data[0];
-}) ip6_padN_option_t;
-/* *INDENT-ON* */
-
-/* *INDENT-OFF* */
-typedef CLIB_PACKED (struct {
-#define IP6_MLDP_ALERT_TYPE 0x5
- u8 type;
- u8 len;
- u16 value;
-}) ip6_router_alert_option_t;
-/* *INDENT-ON* */
-
-/* *INDENT-OFF* */
-typedef CLIB_PACKED (struct {
- u8 next_hdr;
- /* Length of this header plus option data in 8 byte units. */
- u8 n_data_u64s;
-}) ip6_ext_header_t;
-
-always_inline u8 ip6_ext_hdr(u8 nexthdr)
-{
- /*
- * find out if nexthdr is an extension header or a protocol
- */
- return (nexthdr == IP_PROTOCOL_IP6_HOP_BY_HOP_OPTIONS) ||
- (nexthdr == IP_PROTOCOL_IP6_NONXT) ||
- (nexthdr == IP_PROTOCOL_IPV6_FRAGMENTATION) ||
- (nexthdr == IP_PROTOCOL_IPSEC_AH) ||
- (nexthdr == IP_PROTOCOL_IPV6_ROUTE) ||
- (nexthdr == IP_PROTOCOL_IP6_DESTINATION_OPTIONS);
-}
-
-#define ip6_ext_header_len(p) (((p)->n_data_u64s+1) << 3)
-#define ip6_ext_authhdr_len(p) (((p)->n_data_u64s+2) << 2)
-
-always_inline void *
-ip6_ext_next_header (ip6_ext_header_t *ext_hdr )
-{ return (void *)((u8 *) ext_hdr + ip6_ext_header_len(ext_hdr)); }
-
-typedef CLIB_PACKED (struct {
- u8 next_hdr;
- /* Length of this header plus option data in 8 byte units. */
- u8 n_data_u64s;
- u8 data[0];
-}) ip6_hop_by_hop_ext_t;
-/* *INDENT-ON* */
-
-/* *INDENT-OFF* */
-typedef CLIB_PACKED (struct {
- u8 next_hdr;
- u8 rsv;
- u16 fragment_offset_and_more;
- u32 identification;
-}) ip6_frag_hdr_t;
-/* *INDENT-ON* */
-
-#define ip6_frag_hdr_offset(hdr) \
- (clib_net_to_host_u16((hdr)->fragment_offset_and_more) >> 3)
-
-#define ip6_frag_hdr_more(hdr) \
- (clib_net_to_host_u16((hdr)->fragment_offset_and_more) & 0x1)
-
-#define ip6_frag_hdr_offset_and_more(offset, more) \
- clib_host_to_net_u16(((offset) << 3) + !!(more))
-
-#endif /* included_ip6_packet_h */
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */