+++ /dev/null
-/*
- * Copyright (c) 2017-2019 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.
- */
-
-#include <stdarg.h>
-#include <stddef.h> // offsetof()
-#include <inttypes.h>
-#include <vlib/vlib.h>
-#include <vppinfra/error.h>
-#include <vnet/ip/format.h>
-#include <vnet/classify/in_out_acl.h>
-#include <vlibapi/api.h>
-#include <vlibmemory/api.h>
-#include <vnet/ip/ip4_packet.h>
-#include <vnet/ip/ip6_packet.h>
-#include <vnet/ethernet/packet.h>
-#include <vnet/fib/fib_types.h>
-#include <vlib/global_funcs.h>
-
-#include "hicn.h"
-#include "infra.h"
-#include "parser.h"
-#include "mgmt.h"
-#include "punt.h"
-#include "error.h"
-#include "route.h"
-
-/* Those are not static as they are used for pgen in hicn_cli.c */
-ip_version_t ipv4 = {
- .tbl = (u32 *) hicn_punt_glb.ip4_vnet_tbl_idx,
- .addr_len_bits = IPV4_ADDR_LEN_BITS,
- .protocol_field = &ipv4_protocol,
- .version_field = &ipv4_version,
- .ip_version = 0x40,
-};
-
-ip_version_t ipv6 = {
- .tbl = (u32 *) hicn_punt_glb.ip6_vnet_tbl_idx,
- .addr_len_bits = IPV6_ADDR_LEN_BITS,
- .protocol_field = &ipv6_protocol,
- .version_field = &ipv6_version,
- .ip_version = 0x60,
-};
-
-ip_version_t udp4_src_ipv4 = {
- .tbl = (u32 *) hicn_punt_glb.udp44_vnet_tbl_idx,
- .addr_len_bits = IPV4_ADDR_LEN_BITS,
- .protocol_field = &udp4_protocol,
- .udp_sport = &udp4_sport,
- .ip_version = 0x40,
-};
-
-ip_version_t udp4_src_ipv6 = {
- .tbl = (u32 *) hicn_punt_glb.udp46_vnet_tbl_idx,
- .addr_len_bits = IPV6_ADDR_LEN_BITS,
- .protocol_field = &udp4_protocol,
- .udp_sport = &udp4_sport,
- .ip_version = 0x40,
-};
-
-ip_version_t udp4_dst_ipv4 = {
- .tbl = (u32 *) hicn_punt_glb.udp44_vnet_tbl_idx,
- .addr_len_bits = IPV4_ADDR_LEN_BITS,
- .protocol_field = &udp4_protocol,
- .udp_dport = &udp4_dport,
- .ip_version = 0x40,
-};
-
-ip_version_t udp4_dst_ipv6 = {
- .tbl = (u32 *) hicn_punt_glb.udp46_vnet_tbl_idx,
- .addr_len_bits = IPV6_ADDR_LEN_BITS,
- .protocol_field = &udp4_protocol,
- .udp_dport = &udp4_dport,
- .ip_version = 0x40,
-};
-
-ip_version_t udp6_src_ipv4 = {
- .tbl = (u32 *) hicn_punt_glb.udp64_vnet_tbl_idx,
- .addr_len_bits = IPV4_ADDR_LEN_BITS,
- .protocol_field = &udp6_protocol,
- .udp_sport = &udp6_sport,
- .ip_version = 0x60,
-};
-
-ip_version_t udp6_src_ipv6 = {
- .tbl = (u32 *) hicn_punt_glb.udp66_vnet_tbl_idx,
- .addr_len_bits = IPV6_ADDR_LEN_BITS,
- .protocol_field = &udp6_protocol,
- .udp_sport = &udp6_sport,
- .ip_version = 0x60,
-};
-
-ip_version_t udp6_dst_ipv4 = {
- .tbl = (u32 *) hicn_punt_glb.udp64_vnet_tbl_idx,
- .addr_len_bits = IPV4_ADDR_LEN_BITS,
- .protocol_field = &udp6_protocol,
- .udp_dport = &udp6_dport,
- .ip_version = 0x60,
-};
-
-ip_version_t udp6_dst_ipv6 = {
- .tbl = (u32 *) hicn_punt_glb.udp66_vnet_tbl_idx,
- .addr_len_bits = IPV6_ADDR_LEN_BITS,
- .protocol_field = &udp6_protocol,
- .udp_dport = &udp6_dport,
- .ip_version = 0x60,
-};
-
-ip_version_t ipv44 = {
- .tbl = (u32 *) hicn_punt_glb.udp44_vnet_tbl_idx,
- .addr_len_bits = IPV4_ADDR_LEN_BITS,
- .protocol_field = &udp4_protocol,
- .udp_sport = &udp4_sport,
- .udp_dport = &udp4_dport,
- .ip_version = 0x40,
-};
-
-ip_version_t ipv64 = {
- .tbl = (u32 *) hicn_punt_glb.udp64_vnet_tbl_idx,
- .addr_len_bits = IPV4_ADDR_LEN_BITS,
- .protocol_field = &udp6_protocol,
- .udp_sport = &udp6_sport,
- .udp_dport = &udp6_dport,
- .ip_version = 0x60,
-};
-
-ip_version_t ipv46 = {
- .tbl = (u32 *) hicn_punt_glb.udp46_vnet_tbl_idx,
- .addr_len_bits = IPV6_ADDR_LEN_BITS,
- .protocol_field = &udp4_protocol,
- .udp_sport = &udp4_sport,
- .udp_dport = &udp4_dport,
- .ip_version = 0x40,
-};
-
-ip_version_t ipv66 = {
- .tbl = (u32 *) hicn_punt_glb.udp66_vnet_tbl_idx,
- .addr_len_bits = IPV6_ADDR_LEN_BITS,
- .protocol_field = &udp6_protocol,
- .udp_sport = &udp6_sport,
- .udp_dport = &udp6_dport,
- .ip_version = 0x60,
-};
-
-#define _(NAME, BASE, LAYER, FIELD, PUNT_ID) \
- field_t NAME = { \
- .offset = BASE + offsetof(LAYER, FIELD), \
- .len = STRUCT_SIZE_OF(LAYER, FIELD), \
- .punt_id = PUNT_ID, \
- };
-foreach_field
-#undef _
-/*
- * In the latest version, we let faces direct the traffic towards Interest
- * processing, or MAP-Me nodes. Punting should only make sure that the ICMP
- * packets are also sent to the face node. We added the following defines to
- * determine the next node to send punted packets. Ideally we might remove
- * protocol number check from punting rule.
- */
-#define NEXT_MAPME_CTRL4 hicn_punt_glb.next_hit_interest_ipv4
-#define NEXT_MAPME_ACK4 hicn_punt_glb.next_hit_data_ipv4
-#define NEXT_MAPME_CTRL6 hicn_punt_glb.next_hit_interest_ipv6
-#define NEXT_MAPME_ACK6 hicn_punt_glb.next_hit_data_ipv6
-/* Maximum number of vector allowed in match. Value hardcoded in vnet_classify_hash_packet_inline in vnet_classify.h */
-#define MAX_MATCH_SIZE 5
-/**
- * HICN global Punt Info
- *
- *
- *
- */
- hicn_punt_glb_t hicn_punt_glb;
-
-/**
- * We use the function build_bit_array to populate an initially empty buffer
- * with masks/values for the parts of the packet to match. The function also
- * returns the correct skip and match values to pass to vnet_classify_*, which
- * are the number of vectors to skip/match during classification (they should be
- * multiples of vector size = CLASSIFIER_VECTOR_SIZE).
- *
- * offsets:
- * 0 14 offsetof(IP_HDR, SRC)
- * | | /
- * +----------+----+-------+-------+----+-...
- * | ETH | IP . src . dst . |
- * +----------+----+-------+-------+----+-...
- * | | |
- * |<- skip=1 ->|<--- match=2/3 --->|
- *
- *
- */
-
-/**
- * The following section defines a couple of protocol fields that we will use
- * for creating the buffer. We retrieve the offset and length on those fields
- * based on the (portable) header struct aliases defined in libhicn.
- *
- * In the foreach_field macro, the punt_id field is used as convenience as we
- * will have to create different classifier tables based on whether we punt
- * interests (on dst) or data (on src). It is undefined (NA) otherwise.
- */
-
-#define NA 0
-
-
-/**
- * @brief Create a bitmask from mask length.
- * @param mask [in] mask length (in bits)
- * @param buffer [out] output buffer
- * @param len [out] output buffer length
- */
-static void
-build_ip_address_mask (u8 mask, u8 * buffer, u32 len)
-{
- u32 hi_bytes = mask / 8;
- u32 hi_bits = mask % 8;
- u8 byte_mask = 0xff;
-
- /*
- * memset buffer with 0xff in case of IPV6 16 bytes will be used for
- * match
- */
- memset (buffer, 0, len);
- //might not be needed if buffer is already 0 'ed XXX
- memset (buffer, 0xff, hi_bytes);
- if (hi_bits != 0)
- {
- for (int i = 0; i < (8 - hi_bits); i++)
- byte_mask = byte_mask << 1;
- buffer[hi_bytes] = byte_mask;
- }
-}
-
-#define CEIL_DIV(x, y) (1 + ((x - 1) / y))
-
-/**
- * @brief Create a bit array from field/value list
- * @param buffer [out] output buffer
- * @param len [out] output buffer length
- * @param skip [out] number of CLASSIFIER_VECTOR to skip
- * @param match [out] number of CLASSIFIER_VECTOR to match
- * @param ... [in] list of [field_t *, value] * used to populate buffer
- */
-static int
-build_bit_array (u8 * buffer, u32 len, u32 base_offset, u32 * skip,
- u32 * match, va_list vl)
-{
- u8 min = len, max = 0;
- field_t *field;
- u8 *value;
- int pos;
- int count = 0;
-
- /* Clear buffer */
- memset (buffer, 0, len);
-
- for (;;)
- {
- count++;
- field = va_arg (vl, field_t *);
- if (!field)
- break;
-
- /* Check that the field belongs to the reserved buffer */
- if (field->offset + field->len > len)
- goto ERR_PUNT;
-
- /*
- * Copy the value of the field inside the buffer at the
- * correct offset
- */
- pos = base_offset + field->offset;
- value = va_arg (vl, u8 *);
- memcpy (buffer + pos, value, field->len);
- if (min > pos)
- min = pos;
- if (max < pos + field->len)
- max = pos + field->len;
- }
-
- /* We can skip multiples of the vector match */
- *skip = min / CLASSIFIER_VECTOR_SIZE;
- *match = CEIL_DIV (max, CLASSIFIER_VECTOR_SIZE) - *skip;
-
- if (*match > MAX_MATCH_SIZE)
- *match = MAX_MATCH_SIZE;
-
- return HICN_ERROR_NONE;
-
-ERR_PUNT:
- *skip = 0;
- *match = 0;
- return HICN_ERROR_PUNT_INVAL;
-}
-
-void
-update_table4_index (u32 intfc, u32 table_index)
-{
- vnet_classify_main_t *cm = &vnet_classify_main;
-
- if (hicn_punt_glb.head_ip4[intfc] == ~0)
- hicn_punt_glb.head_ip4[intfc] = table_index;
-
- /* Update the table in tail to poin to this */
- if (hicn_punt_glb.tail_ip4[intfc] != ~0)
- {
- vnet_classify_table_t *t =
- pool_elt_at_index (cm->tables, hicn_punt_glb.tail_ip4[intfc]);
- t->next_table_index = table_index;
- }
- hicn_punt_glb.tail_ip4[intfc] = table_index;
-}
-
-void
-update_table6_index (u32 intfc, u32 table_index)
-{
- vnet_classify_main_t *cm = &vnet_classify_main;
-
- if (hicn_punt_glb.head_ip6[intfc] == ~0)
- hicn_punt_glb.head_ip6[intfc] = table_index;
-
- /* Update the table in tail to poin to this */
- if (hicn_punt_glb.tail_ip6[intfc] != ~0)
- {
- vnet_classify_table_t *t =
- pool_elt_at_index (cm->tables, hicn_punt_glb.tail_ip6[intfc]);
- t->next_table_index = table_index;
- }
- hicn_punt_glb.tail_ip6[intfc] = table_index;
-}
-
-/**
- * @brief Add or remove a vnet table matching the list of fields/values passed
- * as parameters.
- *
- * @param punt_id Storage identifier (HICN_PUNT_SRC | HICN_PUNT_DST)
- * @param mask Subnet mask to match in the table
- * @param next_tbl_index next table to match in case of miss
- * @param intfc Interface identifier
- * @param is_add 1 if the table must be created, 0 if removed
- * @param ... list of (field_t, value) to be matched
- *
- * @result Returns:
- * HICN_ERROR_TBL_EXIST if is_add == 1 and a table for the same mask
- * already exists,
- * HICN_ERROR_TBL_NOT_FOUND if is_add == 0 and there is no table for the
- * given mask,
- * HICN_ERROR_NONE if no * error occurred.
- */
-int
-_hicn_punt_add_del_vnettbl (ip_version_t * ip, u8 punt_id, u8 mask,
- u32 next_tbl_index, u32 intfc, int base_offset,
- int is_add, u8 use_current_data, ...)
-{
- u8 buffer[PUNT_BUFFER_SIZE]; /* must be dimensioned
- * large enough */
- int rt;
- va_list vl;
- u32 *table_index;
- u32 new_table_index;
- u32 skip, match;
-
-
- /* Build the buffer right from the start to determine the skip size */
- va_start (vl, use_current_data);
- build_bit_array (buffer, sizeof (buffer), base_offset, &skip, &match, vl);
- va_end (vl);
-
- ASSERT (skip < 4);
- //Hardcoded limit in following array
-
- table_index = TABLE_ELT_P (ip, intfc, skip, punt_id, mask);
-
- if (is_add && *table_index != HICNP_PUNY_INVALID_TBL)
- return HICN_ERROR_PUNT_TBL_EXIST;
- if (!is_add && *table_index == HICNP_PUNY_INVALID_TBL)
- return HICN_ERROR_PUNT_TBL_NOT_FOUND;
-
- new_table_index = ~0;
- rt = vnet_classify_add_del_table (&vnet_classify_main,
- buffer + skip * CLASSIFIER_VECTOR_SIZE,
- HICN_CLASSIFY_NBUCKETS,
- HICN_CLASSIFY_TABLE_MEMORY_SIZE, skip,
- match, HICN_CLASSIFY_NO_NEXT_TABLE,
- HICN_CLASSIFY_MISS_NEXT_INDEX,
- &new_table_index,
- use_current_data,
- HICN_CLASSIFY_CURRENT_DATA_OFFSET, is_add,
- HICN_CLASSIFY_DON_T_DEL_CHAIN);
-
- if (rt != 0)
- return HICN_ERROR_PUNT_INVAL;
-
- *table_index = new_table_index;
- if (ip->ip_version == 0x40)
- update_table4_index (intfc, new_table_index);
- else
- update_table6_index (intfc, new_table_index);
- return HICN_ERROR_NONE;
-}
-
-/**
- * @brief Add or remove a vnet table matching the ip_version and field (src/dst)
- */
-int
-hicn_punt_add_del_vnettbl (ip_version_t * ip, field_t * field, u8 mask,
- u32 next_tbl_index, u32 intfc, u8 base_offset,
- u8 use_current_data, int is_add)
-{
- u8 ip_mask[IPV6_ADDR_LEN];
- build_ip_address_mask (mask, ip_mask, sizeof (ip_mask));
-
- return _hicn_punt_add_del_vnettbl (ip, field->punt_id, mask, next_tbl_index,
- intfc, base_offset, is_add,
- use_current_data, field, ip_mask, NULL);
-}
-
-
-/**
- * @brief Add or remove a vnet table for udp tunnels matching the ip_version and field (src/dst)
- *
- */
-int
-hicn_punt_add_del_vnettbl_udp (ip_version_t * outer, ip_version_t * inner,
- field_t * field, u8 mask, u32 next_tbl_index,
- u32 intfc, u8 base_offset, u8 use_current_data,
- int is_add)
-{
- u8 udp_mask[inner->addr_len_bits];
- build_ip_address_mask (mask, udp_mask, sizeof (udp_mask));
- u16 port_value = 0xffff;
- u8 protocol_value = 0xff;
-
- if (outer->udp_sport == NULL) {
- return _hicn_punt_add_del_vnettbl (outer, field->punt_id, mask,
- next_tbl_index, intfc, base_offset,
- is_add,
- use_current_data,
- outer->protocol_field, &protocol_value,
- outer->udp_dport, &port_value, field,
- udp_mask, NULL);
- } else if (outer->udp_dport == NULL) {
- return _hicn_punt_add_del_vnettbl (outer, field->punt_id, mask,
- next_tbl_index, intfc, base_offset,
- is_add,
- use_current_data,
- outer->protocol_field, &protocol_value,
- outer->udp_sport, &port_value, field,
- udp_mask, NULL);
- } else {
- return _hicn_punt_add_del_vnettbl (outer, field->punt_id, mask,
- next_tbl_index, intfc, base_offset,
- is_add,
- use_current_data,
- outer->protocol_field, &protocol_value,
- outer->udp_sport, &port_value,
- outer->udp_dport, &port_value, field,
- udp_mask, NULL);
- }
-}
-
-#define hicn_punt_add_vnettbl_udp(outer, inner, field, mask, next_tbl_index, intfc, base_offset, use_current_data) \
- (hicn_punt_add_del_vnettbl_udp(outer, inner, field, mask, next_tbl_index, intfc, base_offset, use_current_data, OP_ADD))
-
-#define hicn_punt_del_vnettbl_udp(outer, inner, field, mask, next_tbl_index, intfc, base_offset, use_current_data) \
- (hicn_punt_add_del_vnettbl_udp(outer, inner, field, mask, next_tbl_index, intfc, base_offset, use_current_data, OP_DEL))
-
-/**
- * @brief Add or remove a vnet session matching the list of fields/values passed
- * as parameters.
- *
- * @param punt_id Storage identifier (HICN_PUNT_SRC | HICN_PUNT_DST)
- * @param v4_address IPv4 address to match in the session // XXX v4/v6
- * @param mask Subnet mask to match in the session
- * @param next_hit_index vlib arch id pointing to the next node
- * @param intfc Interface identifier
- * @param is_add 1 if the session must be create, 0 if removed
- * @param ... list of (field_t, value) to be matched
- *
- * @result Returns:
- * HICN_ERROR_TBL_NOT_FOUND there is no table for the given mask,
- * HICN_ERROR_PUNT_SSN_NOT_FOUND if is_add == 0 and there is no session for
- * the given address,
- * HICN_ERROR_NONE if no error * occurred.
- */
-int
-_hicn_punt_add_del_vnetssn (ip_version_t * ip, u8 punt_id, u8 mask,
- u32 next_hit_index, u32 intfc, int base_offset,
- int is_add, ...)
-{
- u8 buffer[PUNT_BUFFER_SIZE]; /* must be dimensioned
- * large enough */
- int rt;
- va_list vl;
- u32 table_index;
- u32 skip, match;
-
- /* Build the buffer right from the start to determine the skip size */
- va_start (vl, is_add);
- build_bit_array (buffer, sizeof (buffer), base_offset, &skip, &match, vl);
- va_end (vl);
-
- ASSERT (skip < 4);
- //Hardcoded limit in following array
-
- table_index = TABLE_ELT (ip, intfc, skip, punt_id, mask);
-
- if (table_index == HICNP_PUNY_INVALID_TBL)
- return HICN_ERROR_PUNT_TBL_NOT_FOUND;
-
- rt = vnet_classify_add_del_session (&vnet_classify_main, table_index, buffer, //+skip * CLASSIFIER_VECTOR_SIZE,
- next_hit_index,
- HICN_CLASSIFY_OPAQUE_INDEX,
- HICN_CLASSIFY_ADVANCE,
- HICN_CLASSIFY_ACTION,
- HICN_CLASSIFY_METADATA, is_add);
-
- if (rt == VNET_API_ERROR_NO_SUCH_ENTRY)
- rt = HICN_ERROR_PUNT_SSN_NOT_FOUND;
-
- return rt;
-}
-
-/**
- * @brief Add or remove a vnet session matching the ip6 src address
- *
- * See hicn_punt_add_del_vnetssn for details about parameters.
- */
-int
-hicn_punt_add_del_vnetssn (ip_version_t * ip, field_t * field,
- fib_prefix_t * prefix,
- u32 next_hit_index, u32 intfc, u8 base_offset,
- int is_add)
-{
- return _hicn_punt_add_del_vnetssn (ip, field->punt_id, prefix->fp_len, next_hit_index,
- intfc, base_offset, is_add, field,
- ip46_address_is_ip4 (&prefix->fp_addr) ?
- prefix->fp_addr.ip4.as_u8 :
- prefix->fp_addr.ip6.as_u8, NULL);
-}
-
-
-
-/**
- * @brief Add or remove a vnet session for udp tunnels matching the ip6 src address
- *
- * See hicn_punt_add_del_vnetssn for details about parameters.
- */
-int
-hicn_punt_add_del_vnetssn_udp (ip_version_t * outer, ip_version_t * inner,
- field_t * field, fib_prefix_t * prefix,
- u32 next_hit_index, u32 intfc,
- u8 base_offset, u8 protocol, u16 sport,
- u16 dport, int is_add)
-{
- if(sport == HICN_PUNT_INVALID_PORT)
- {
- return _hicn_punt_add_del_vnetssn (outer, field->punt_id, prefix->fp_len,
- next_hit_index, intfc, base_offset,
- is_add, outer->protocol_field, &protocol,
- outer->udp_dport, &dport, field,
- prefix->fp_addr.as_u8, NULL);
- }
- else if(dport == HICN_PUNT_INVALID_PORT)
- {
- return _hicn_punt_add_del_vnetssn (outer, field->punt_id, prefix->fp_len,
- next_hit_index, intfc, base_offset,
- is_add, outer->protocol_field, &protocol,
- outer->udp_sport, &sport, field,
- prefix->fp_addr.as_u8, NULL);
- }
- else
- {
- return _hicn_punt_add_del_vnetssn (outer, field->punt_id, prefix->fp_len,
- next_hit_index, intfc, base_offset,
- is_add, outer->protocol_field, &protocol,
- outer->udp_sport, &sport,
- outer->udp_dport, &dport, field,
- prefix->fp_addr.as_u8, NULL);
- }
-}
-
-#define hicn_punt_add_vnetssn_udp(outer, inner, field, prefix, index, intfc, offset, protocol, sport, dport) \
- (hicn_punt_add_del_vnetssn_udp(outer, inner, field, prefix, index, intfc, offset, protocol, sport, dport, OP_ADD))
-
-#define hicn_punt_del_vnetssn_udp(outer, inner, field, prefix, index, intfc, offset, protocol, sport, dport) \
- (hicn_punt_add_del_vnetssn_udp(outer, inner, field, prefix, index, intfc, offset, protocol, sport, dport, OP_DEL))
-
-/*
- * Enable the table on a given interface considering the table type
- */
-void
-hicn_punt_enable_disable_vnet_ip4_table_on_intf (vlib_main_t * vm,
- u32 sw_if_index,
- int is_enable)
-{
- if (hicn_punt_glb.head_ip4[sw_if_index] != HICNP_PUNY_INVALID_TBL)
- (void) vnet_set_input_acl_intfc (vm, sw_if_index,
- hicn_punt_glb.head_ip4[sw_if_index],
- 0xFFFFFFFF, 0xFFFFFFFF, is_enable);
- return;
-}
-
-/*
- * Enable the table on a given interface considering the table type
- *
- * XXX replace skip by base_offset XXX are we sure we always have ETH_L2, and
- * not base_offset ???
- */
-int
-hicn_punt_remove_ip4_address (vlib_main_t * vm, fib_prefix_t * prefix,
- int skip, u32 sw_if_index,
- int is_enable, u8 with_l2)
-{
-
- vnet_classify_main_t *cm = &vnet_classify_main;
- vnet_classify_table_t *vnet_table = NULL;
- u8 mask = prefix->fp_len;
- u32 table_index = ~0;
-
- u32 base_offset = (with_l2 ? ETH_L2 : NO_L2);
-
- hicn_punt_del_vnetssn (&ipv4, &ipv4_src, prefix,
- hicn_punt_glb.next_hit_data_ipv4, sw_if_index,
- ETH_L2);
- hicn_punt_del_vnetssn (&ipv4, &ipv4_dst, prefix,
- hicn_punt_glb.next_hit_interest_ipv4, sw_if_index,
- ETH_L2);
-
- table_index =
- hicn_punt_glb.ip4_vnet_tbl_idx[sw_if_index][skip][HICN_PUNT_DST][mask];
- vnet_table = pool_elt_at_index (cm->tables, table_index);
- if (vnet_table->active_elements == 0)
- {
- hicn_punt_del_vnettbl (&ipv4, &ipv4_dst, mask,
- hicn_punt_glb.ip4_vnet_tbl_idx[sw_if_index][skip]
- [HICN_PUNT_SRC][mask], sw_if_index, base_offset);
- }
- table_index =
- hicn_punt_glb.ip4_vnet_tbl_idx[sw_if_index][skip][HICN_PUNT_SRC][mask];
- vnet_table = pool_elt_at_index (cm->tables, table_index);
- if (vnet_table->active_elements == 0)
- {
- hicn_punt_del_vnettbl (&ipv4, &ipv4_src, mask, ~0, sw_if_index,
- base_offset);
- }
- return HICN_ERROR_NONE;
-}
-
-int
-hicn_punt_remove_ip6_address (vlib_main_t * vm, fib_prefix_t * prefix,
- int skip, u32 sw_if_index,
- int is_enable, u8 with_l2)
-{
-
- vnet_classify_main_t *cm = &vnet_classify_main;
- vnet_classify_table_t *vnet_table = NULL;
- u8 mask = prefix->fp_len;
- u32 table_index = ~0;
-
- u32 base_offset = (with_l2 ? ETH_L2 : NO_L2);
-
- hicn_punt_del_vnetssn (&ipv6, &ipv6_src, prefix,
- hicn_punt_glb.next_hit_data_ipv6, sw_if_index,
- ETH_L2);
- hicn_punt_del_vnetssn (&ipv6, &ipv6_dst, prefix,
- hicn_punt_glb.next_hit_interest_ipv6, sw_if_index,
- ETH_L2);
-
- table_index =
- hicn_punt_glb.ip6_vnet_tbl_idx[sw_if_index][skip][HICN_PUNT_DST][mask];
- vnet_table = pool_elt_at_index (cm->tables, table_index);
- if (vnet_table->active_elements == 0)
- {
- hicn_punt_del_vnettbl (&ipv6, &ipv6_dst, mask,
- hicn_punt_glb.ip6_vnet_tbl_idx[sw_if_index][skip]
- [HICN_PUNT_SRC][mask], sw_if_index, base_offset);
- }
- table_index =
- hicn_punt_glb.ip6_vnet_tbl_idx[sw_if_index][skip][HICN_PUNT_SRC][mask];
- vnet_table = pool_elt_at_index (cm->tables, table_index);
- if (vnet_table->active_elements == 0)
- {
- hicn_punt_del_vnettbl (&ipv6, &ipv6_src, mask, ~0, sw_if_index,
- base_offset);
- }
- return HICN_ERROR_NONE;
-}
-
-/*
- * Enable the table on a given interface considering the table type
- */
-void
-hicn_punt_enable_disable_vnet_ip6_table_on_intf (vlib_main_t * vm,
- u32 sw_if_index,
- int is_enable)
-{
- if (hicn_punt_glb.head_ip6[sw_if_index] != HICNP_PUNY_INVALID_TBL)
- (void) vnet_set_input_acl_intfc (vm, sw_if_index,
- 0xFFFFFFFF,
- hicn_punt_glb.head_ip6[sw_if_index],
- 0xFFFFFFFF, is_enable);
- return;
-}
-
-/*
- * HICN PUNT vlibd node addtion
- */
-void
-hicn_punt_vlib_node_add (vlib_main_t * vm)
-{
- u32 hit_next_index = 0xFFFFFFFF;
- vlib_node_t *node;
-
- /* to remove the warning */
- hit_next_index = hit_next_index;
-
- //Accquire the node indexes
-
- /* ip face */
- node = vlib_get_node_by_name (vm, (u8 *) "hicn-face-ip4-input");
- hicn_punt_glb.hicn_node_info.hicn_face_ip4_input_index = node->index;
- node = vlib_get_node_by_name (vm, (u8 *) "hicn-face-ip6-input");
- hicn_punt_glb.hicn_node_info.hicn_face_ip6_input_index = node->index;
- node = vlib_get_node_by_name (vm, (u8 *) "hicn-face-ip4-output");
- hicn_punt_glb.hicn_node_info.hicn_face_ip4_output_index = node->index;
- node = vlib_get_node_by_name (vm, (u8 *) "hicn-face-ip6-output");
- hicn_punt_glb.hicn_node_info.hicn_face_ip6_output_index = node->index;
-
- /* ip iface */
- node = vlib_get_node_by_name (vm, (u8 *) "hicn-iface-ip4-input");
- hicn_punt_glb.hicn_node_info.hicn_iface_ip4_input_index = node->index;
- node = vlib_get_node_by_name (vm, (u8 *) "hicn-iface-ip6-input");
- hicn_punt_glb.hicn_node_info.hicn_iface_ip6_input_index = node->index;
- node = vlib_get_node_by_name (vm, (u8 *) "hicn-iface-ip4-output");
- hicn_punt_glb.hicn_node_info.hicn_iface_ip4_output_index = node->index;
- node = vlib_get_node_by_name (vm, (u8 *) "hicn-iface-ip6-output");
- hicn_punt_glb.hicn_node_info.hicn_iface_ip4_output_index = node->index;
-
- /* udp face */
- node = vlib_get_node_by_name (vm, (u8 *) "hicn-face-udp4-input");
- hicn_punt_glb.hicn_node_info.hicn_face_udp4_input_index = node->index;
- node = vlib_get_node_by_name (vm, (u8 *) "hicn-face-udp6-input");
- hicn_punt_glb.hicn_node_info.hicn_face_udp6_input_index = node->index;
- node = vlib_get_node_by_name (vm, (u8 *) "hicn-face-udp4-output");
- hicn_punt_glb.hicn_node_info.hicn_face_udp4_output_index = node->index;
- node = vlib_get_node_by_name (vm, (u8 *) "hicn-face-udp6-output");
- hicn_punt_glb.hicn_node_info.hicn_face_udp6_output_index = node->index;
-
- /* udp iface */
- node = vlib_get_node_by_name (vm, (u8 *) "hicn-iface-udp4-input");
- hicn_punt_glb.hicn_node_info.hicn_iface_udp4_input_index = node->index;
- node = vlib_get_node_by_name (vm, (u8 *) "hicn-iface-udp6-input");
- hicn_punt_glb.hicn_node_info.hicn_iface_udp6_input_index = node->index;
- node = vlib_get_node_by_name (vm, (u8 *) "hicn-iface-udp4-output");
- hicn_punt_glb.hicn_node_info.hicn_iface_udp4_output_index = node->index;
- node = vlib_get_node_by_name (vm, (u8 *) "hicn-iface-udp6-output");
- hicn_punt_glb.hicn_node_info.hicn_iface_udp6_output_index = node->index;
-
- node = vlib_get_node_by_name (vm, (u8 *) "ip4-inacl");
- hicn_punt_glb.hicn_node_info.ip4_inacl_node_index = node->index;
- node = vlib_get_node_by_name (vm, (u8 *) "ip6-inacl");
- hicn_punt_glb.hicn_node_info.ip6_inacl_node_index = node->index;
- node = vlib_get_node_by_name (vm, (u8 *) "ip4-lookup");
- hicn_punt_glb.hicn_node_info.ip4_lookup_node_index = node->index;
- node = vlib_get_node_by_name (vm, (u8 *) "ip6-lookup");
- hicn_punt_glb.hicn_node_info.ip6_lookup_node_index = node->index;
-
-
- hicn_punt_glb.next_hit_data_ipv4 = vlib_node_add_next (vm,
- hicn_punt_glb.hicn_node_info.
- ip4_inacl_node_index,
- hicn_punt_glb.hicn_node_info.
- hicn_face_ip4_input_index);
-
- hicn_punt_glb.next_hit_interest_ipv4 = vlib_node_add_next (vm,
- hicn_punt_glb.hicn_node_info.
- ip4_inacl_node_index,
- hicn_punt_glb.hicn_node_info.
- hicn_iface_ip4_input_index);
-
- hicn_punt_glb.next_hit_data_ipv6 = vlib_node_add_next (vm,
- hicn_punt_glb.hicn_node_info.
- ip6_inacl_node_index,
- hicn_punt_glb.hicn_node_info.
- hicn_face_ip6_input_index);
-
- hicn_punt_glb.next_hit_interest_ipv6 = vlib_node_add_next (vm,
- hicn_punt_glb.hicn_node_info.
- ip6_inacl_node_index,
- hicn_punt_glb.hicn_node_info.
- hicn_iface_ip6_input_index);
-
- hicn_punt_glb.next_hit_data_udp4 = vlib_node_add_next (vm,
- hicn_punt_glb.hicn_node_info.
- ip4_inacl_node_index,
- hicn_punt_glb.hicn_node_info.
- hicn_face_udp4_input_index);
-
- hicn_punt_glb.next_hit_interest_udp4 = vlib_node_add_next (vm,
- hicn_punt_glb.hicn_node_info.
- ip4_inacl_node_index,
- hicn_punt_glb.hicn_node_info.
- hicn_iface_udp4_input_index);
-
- hicn_punt_glb.next_hit_data_udp6 = vlib_node_add_next (vm,
- hicn_punt_glb.hicn_node_info.
- ip6_inacl_node_index,
- hicn_punt_glb.hicn_node_info.
- hicn_face_udp6_input_index);
-
- hicn_punt_glb.next_hit_interest_udp6 = vlib_node_add_next (vm,
- hicn_punt_glb.hicn_node_info.
- ip6_inacl_node_index,
- hicn_punt_glb.hicn_node_info.
- hicn_iface_udp6_input_index);
-
- return;
-}
-
-/*
- * HICN PUNT INIT
- */
-void
-hicn_punt_init (vlib_main_t * vm)
-{
- u32 table_index = ~0;
- //Create vnet classify tables and store the table indexes
- memset (hicn_punt_glb.ip4_vnet_tbl_idx, table_index,
- sizeof (u32) * 4 * 2 * HICN_PUNT_IP4_MASK * HICN_MAX_INTFC);
- memset (hicn_punt_glb.ip6_vnet_tbl_idx, table_index,
- sizeof (u32) * 4 * 2 * HICN_PUNT_IP6_MASK * HICN_MAX_INTFC);
-
- memset (hicn_punt_glb.udp44_vnet_tbl_idx, table_index,
- sizeof (u32) * 4 * 2 * HICN_PUNT_IP4_MASK * HICN_MAX_INTFC);
- memset (hicn_punt_glb.udp46_vnet_tbl_idx, table_index,
- sizeof (u32) * 4 * 2 * HICN_PUNT_IP6_MASK * HICN_MAX_INTFC);
- memset (hicn_punt_glb.udp64_vnet_tbl_idx, table_index,
- sizeof (u32) * 4 * 2 * HICN_PUNT_IP4_MASK * HICN_MAX_INTFC);
- memset (hicn_punt_glb.udp66_vnet_tbl_idx, table_index,
- sizeof (u32) * 4 * 2 * HICN_PUNT_IP6_MASK * HICN_MAX_INTFC);
- //Register hicn nodes after vnet table creation
- hicn_punt_vlib_node_add (vm);
- memset (hicn_punt_glb.head_ip4, ~0, sizeof (u32) * HICN_MAX_INTFC);
- memset (hicn_punt_glb.tail_ip4, ~0, sizeof (u32) * HICN_MAX_INTFC);
- memset (hicn_punt_glb.head_ip6, ~0, sizeof (u32) * HICN_MAX_INTFC);
- memset (hicn_punt_glb.tail_ip6, ~0, sizeof (u32) * HICN_MAX_INTFC);
- return;
-}
-
-u32
-hicn_punt_interest_data_for_udp (vlib_main_t * vm,
- fib_prefix_t * prefix,
- u32 swif, u8 punt_type, u16 sport, u16 dport,
- u8 with_l2)
-{
- int skip = 1;
- u32 table_index;
- // If we want l2 then we punt from data (and not current)
- u8 use_current_data =
- with_l2 ? HICN_CLASSIFY_NO_CURRENT_DATA_FLAG :
- HICN_CLASSIFY_CURRENT_DATA_FLAG;
- u8 base_offset = with_l2 ? ETH_L2 : NO_L2;
- u16 mask = prefix->fp_len;
- vnet_main_t *vnm = vnet_get_main ();
-
- if (punt_type != HICN_PUNT_IP_TYPE && punt_type != HICN_PUNT_UDP4_TYPE
- && punt_type != HICN_PUNT_UDP6_TYPE)
- return HICN_ERROR_PUNT_INVAL;
-
- if ((sport == HICN_PUNT_INVALID_PORT && dport == HICN_PUNT_INVALID_PORT) || !vnet_sw_interface_is_valid (vnm, swif))
- return HICN_ERROR_PUNT_INVAL;
-
- if (ip46_address_is_ip4 (&prefix->fp_addr))
- {
- if (mask > IPV4_ADDR_LEN_BITS)
- return HICN_ERROR_PUNT_INVAL;
-
- if (punt_type == HICN_PUNT_UDP4_TYPE)
- {
- //If we consider ethernet we can skip 32 bytes, otherwise only 16
- skip = 1 + with_l2;
- /* Create Vnet table for a given mask */
- if(sport == HICN_PUNT_INVALID_PORT)
- hicn_punt_add_vnettbl_udp (&udp4_dst_ipv4, &ipv4, &udp44_src, mask, ~0,
- swif, base_offset, use_current_data);
- else if (dport == HICN_PUNT_INVALID_PORT)
- hicn_punt_add_vnettbl_udp (&udp4_src_ipv4, &ipv4, &udp44_src, mask, ~0,
- swif, base_offset, use_current_data);
- else
- hicn_punt_add_vnettbl_udp (&ipv44, &ipv4, &udp44_src, mask, ~0,
- swif, base_offset, use_current_data);
-
- table_index =
- hicn_punt_glb.udp44_vnet_tbl_idx[swif][skip][HICN_PUNT_SRC][mask];
-
- if(sport == HICN_PUNT_INVALID_PORT)
- hicn_punt_add_vnettbl_udp (&udp4_dst_ipv4, &ipv4, &udp44_dst, mask,
- table_index, swif, base_offset,
- use_current_data);
- else if (dport == HICN_PUNT_INVALID_PORT)
- hicn_punt_add_vnettbl_udp (&udp4_src_ipv4, &ipv4, &udp44_dst, mask,
- table_index, swif, base_offset,
- use_current_data);
- else
- hicn_punt_add_vnettbl_udp (&ipv44, &ipv4, &udp44_dst, mask,
- table_index, swif, base_offset,
- use_current_data);
- /*
- * Add a session for the specified ip address and
- * subnet mask
- */
- hicn_punt_add_vnetssn_udp (&ipv44, &ipv4, &udp44_src,
- prefix,
- hicn_punt_glb.next_hit_data_udp4,
- swif, base_offset, IPPROTO_UDP, sport,
- dport);
-
- hicn_punt_add_vnetssn_udp (&ipv44, &ipv4, &udp44_dst,
- prefix,
- hicn_punt_glb.next_hit_interest_udp4,
- swif, base_offset, IPPROTO_UDP, sport,
- dport);
-
- hicn_punt_enable_disable_vnet_ip4_table_on_intf (vm, swif,
- OP_ENABLE);
- }
- else //PUNTING is UDP6
- {
- //If we consider ethernet we can skip 48 bytes, otherwise only 32
- skip = 2 + with_l2;
- /* Create Vnet table for a given mask */
- if(sport == HICN_PUNT_INVALID_PORT)
- hicn_punt_add_vnettbl_udp (&udp6_dst_ipv4, &ipv6, &udp64_src, mask, ~0,
- swif, base_offset, use_current_data);
- else if(dport == HICN_PUNT_INVALID_PORT)
- hicn_punt_add_vnettbl_udp (&udp6_src_ipv4, &ipv6, &udp64_src, mask, ~0,
- swif, base_offset, use_current_data);
- else
- hicn_punt_add_vnettbl_udp (&ipv64, &ipv6, &udp64_src, mask, ~0,
- swif, base_offset, use_current_data);
-
- table_index =
- hicn_punt_glb.udp64_vnet_tbl_idx[swif][skip][HICN_PUNT_SRC][mask];
-
- if(sport == HICN_PUNT_INVALID_PORT)
- hicn_punt_add_vnettbl_udp (&udp6_dst_ipv4, &ipv6, &udp64_dst, mask,
- table_index, swif, base_offset,
- use_current_data);
- else if (dport == HICN_PUNT_INVALID_PORT)
- hicn_punt_add_vnettbl_udp (&udp6_src_ipv4, &ipv6, &udp64_dst, mask,
- table_index, swif, base_offset,
- use_current_data);
- else
- hicn_punt_add_vnettbl_udp (&ipv64, &ipv6, &udp64_dst, mask,
- table_index, swif, base_offset,
- use_current_data);
-
- /*
- * Add a session for the specified ip address and
- * subnet mask
- */
- hicn_punt_add_vnetssn_udp (&ipv64, &ipv4, &udp64_src,
- prefix,
- hicn_punt_glb.next_hit_data_udp6,
- swif, base_offset, IPPROTO_UDP, sport,
- dport);
-
- hicn_punt_add_vnetssn_udp (&ipv64, &ipv4, &udp64_dst,
- prefix,
- hicn_punt_glb.next_hit_interest_udp6,
- swif, base_offset, IPPROTO_UDP, sport,
- dport);
-
- hicn_punt_enable_disable_vnet_ip6_table_on_intf (vm, swif,
- OP_ENABLE);
- }
- }
- else
- {
- if (punt_type == HICN_PUNT_UDP4_TYPE)
- {
- //If we consider ethernet we can skip 32 bytes, otherwise only 16
- skip = 1 + with_l2;
- /* Create Vnet table for a given mask */
- if (mask > 96)
- return HICN_ERROR_PUNT_INVAL;
-
- if(sport == HICN_PUNT_INVALID_PORT)
- hicn_punt_add_vnettbl_udp (&udp4_dst_ipv6, &ipv4, &udp46_src, mask, ~0,
- swif, base_offset, use_current_data);
- else if (dport == HICN_PUNT_INVALID_PORT)
- hicn_punt_add_vnettbl_udp (&udp4_src_ipv6, &ipv4, &udp46_src, mask, ~0,
- swif, base_offset, use_current_data);
- else
- hicn_punt_add_vnettbl_udp (&ipv46, &ipv4, &udp46_src, mask, ~0,
- swif, base_offset, use_current_data);
-
- table_index =
- hicn_punt_glb.udp46_vnet_tbl_idx[swif][skip][HICN_PUNT_SRC][mask];
-
- if(sport == HICN_PUNT_INVALID_PORT)
- hicn_punt_add_vnettbl_udp (&udp4_dst_ipv6, &ipv4, &udp46_dst, mask,
- table_index, swif, base_offset,
- use_current_data);
- else if (dport == HICN_PUNT_INVALID_PORT)
- hicn_punt_add_vnettbl_udp (&udp4_src_ipv6, &ipv4, &udp46_dst, mask,
- table_index, swif, base_offset,
- use_current_data);
- else
- hicn_punt_add_vnettbl_udp (&ipv46, &ipv4, &udp46_dst, mask,
- table_index, swif, base_offset,
- use_current_data);
-
- /*
- * Add a session for the specified ip address and
- * subnet mask
- */
- hicn_punt_add_vnetssn_udp (&ipv46, &ipv4, &udp46_src,
- prefix,
- hicn_punt_glb.next_hit_data_udp4,
- swif, base_offset, IPPROTO_UDP, sport,
- dport);
- hicn_punt_add_vnetssn_udp (&ipv46, &ipv4, &udp46_dst, prefix,
- hicn_punt_glb.next_hit_interest_udp4,
- swif, base_offset, IPPROTO_UDP, sport,
- dport);
-
- hicn_punt_enable_disable_vnet_ip4_table_on_intf (vm, swif,
- OP_ENABLE);
- }
- else
- {
- if (mask > 122)
- return HICN_ERROR_PUNT_INVAL;
-
- //If we consider ethernet we can skip 48 bytes, otherwise only 32
- skip = 2 + with_l2;
- if(sport == HICN_PUNT_INVALID_PORT)
- hicn_punt_add_vnettbl_udp (&udp6_dst_ipv6, &ipv6, &udp66_src, mask, ~0,
- swif, base_offset, use_current_data);
- else if (dport == HICN_PUNT_INVALID_PORT)
- hicn_punt_add_vnettbl_udp (&udp6_src_ipv6, &ipv6, &udp66_src, mask, ~0,
- swif, base_offset, use_current_data);
- else
- hicn_punt_add_vnettbl_udp (&ipv66, &ipv6, &udp66_src, mask, ~0,
- swif, base_offset, use_current_data);
-
- table_index =
- hicn_punt_glb.udp66_vnet_tbl_idx[swif][skip][HICN_PUNT_SRC][mask];
- if(sport == HICN_PUNT_INVALID_PORT)
- hicn_punt_add_vnettbl_udp (&udp6_dst_ipv6, &ipv6, &udp66_dst, mask,
- table_index, swif, base_offset,
- use_current_data);
- else if (dport == HICN_PUNT_INVALID_PORT)
- hicn_punt_add_vnettbl_udp (&udp6_src_ipv6, &ipv6, &udp66_dst, mask,
- table_index, swif, base_offset,
- use_current_data);
- else
- hicn_punt_add_vnettbl_udp (&ipv66, &ipv6, &udp66_dst, mask,
- table_index, swif, base_offset,
- use_current_data);
-
- /*
- * Add a session for the specified ip address and
- * subnet mask
- */
- hicn_punt_add_vnetssn_udp (&ipv66, &ipv6, &udp66_src,
- prefix,
- hicn_punt_glb.next_hit_data_udp6,
- swif, base_offset, IPPROTO_UDP, sport,
- dport);
- hicn_punt_add_vnetssn_udp (&ipv66, &ipv6, &udp66_dst, prefix,
- hicn_punt_glb.next_hit_interest_udp6,
- swif, base_offset, IPPROTO_UDP, sport,
- dport);
-
- hicn_punt_enable_disable_vnet_ip6_table_on_intf (vm, swif,
- OP_ENABLE);
- }
-
- }
- return HICN_ERROR_NONE;
-}
-
-
-
-u32
-hicn_punt_interest_data_for_ip (vlib_main_t * vm,
- fib_prefix_t * prefix,
- u32 swif, u8 punt_type, u8 with_l2)
-{
- int skip = 1;
- u32 table_index;
- // If we want l2 then we punt from data (and not current)
- u8 use_current_data =
- with_l2 ? HICN_CLASSIFY_NO_CURRENT_DATA_FLAG :
- HICN_CLASSIFY_CURRENT_DATA_FLAG;
- u8 base_offset = with_l2 ? ETH_L2 : NO_L2;
- u16 mask = prefix->fp_len;
- vnet_main_t *vnm = vnet_get_main ();
-
- if ((punt_type != HICN_PUNT_IP_TYPE && punt_type != HICN_PUNT_UDP4_TYPE
- && punt_type != HICN_PUNT_UDP6_TYPE) || !vnet_sw_interface_is_valid (vnm, swif))
- return HICN_ERROR_PUNT_INVAL;
-
- if (ip46_address_is_ip4 (&prefix->fp_addr))
- {
- if (mask > IPV4_ADDR_LEN_BITS)
- return HICN_ERROR_PUNT_INVAL;
-
- if (punt_type == HICN_PUNT_IP_TYPE)
- {
- /* Create Vnet table for a given mask */
- hicn_punt_add_vnettbl (&ipv4, &ipv4_src, mask, ~0, swif,
- base_offset, use_current_data);
-
- table_index =
- hicn_punt_glb.ip4_vnet_tbl_idx[swif][skip][HICN_PUNT_SRC][mask];
-
- hicn_punt_add_vnettbl (&ipv4, &ipv4_dst, mask, table_index, swif,
- base_offset, use_current_data);
-
- /*
- * Add a session for the specified ip address and
- * subnet mask
- */
- hicn_punt_add_vnetssn (&ipv4, &ipv4_src,
- prefix,
- hicn_punt_glb.next_hit_data_ipv4, swif,
- base_offset);
- hicn_punt_add_vnetssn (&ipv4, &ipv4_dst,
- prefix,
- hicn_punt_glb.next_hit_interest_ipv4, swif,
- base_offset);
-
- hicn_punt_enable_disable_vnet_ip4_table_on_intf (vm, swif,
- OP_ENABLE);
- }
- else
- {
- return HICN_ERROR_PUNT_INVAL;
- }
- }
- else
- {
- if (punt_type == HICN_PUNT_IP_TYPE)
- {
- if (mask > IPV6_ADDR_LEN_BITS)
- return HICN_ERROR_PUNT_INVAL;
-
- /* Create Vnet table for a given mask */
- hicn_punt_add_vnettbl (&ipv6, &ipv6_src, mask, ~0, swif,
- base_offset, use_current_data);
-
- table_index =
- hicn_punt_glb.ip6_vnet_tbl_idx[swif][skip][HICN_PUNT_SRC][mask];
-
- hicn_punt_add_vnettbl (&ipv6, &ipv6_dst, mask, table_index, swif,
- base_offset, use_current_data);
-
- /*
- * Add a session for the specified ip address and
- * subnet mask
- */
- hicn_punt_add_vnetssn (&ipv6, &ipv6_src, prefix,
- hicn_punt_glb.next_hit_data_ipv6, swif,
- base_offset);
- hicn_punt_add_vnetssn (&ipv6, &ipv6_dst, prefix,
- hicn_punt_glb.next_hit_interest_ipv6,
- swif, base_offset);
-
- hicn_punt_enable_disable_vnet_ip6_table_on_intf (vm, swif,
- OP_ENABLE);
- }
- else
- {
- return HICN_ERROR_PUNT_INVAL;
- }
-
- }
- return HICN_ERROR_NONE;
-}
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables: eval: (c-set-style "gnu") End:
- */
+++ /dev/null
-/*
- * Copyright (c) 2017-2019 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.
- */
-
-#ifndef __HICN_PUNT_H__
-#define __HICN_PUNT_H__
-
-#include <vppinfra/error.h>
-#include <vnet/fib/fib_types.h>
-#include "hicn.h"
-#include <vnet/classify/vnet_classify.h>
-
-#define HICN_CLASSIFY_TABLE_MEMORY_SIZE (2*1024*1024) // 2MB allocated for the classification table
-#define HICN_PUNTING_BUFFER_SIZE_32 (32)
-#define HICN_PUNTING_BUFFER_SIZE_48 (48)
-#define HICN_PUNTING_BUFFER_SIZE_64 (64)
-#define HICN_PUNTING_BUFFER_SIZE_80 (80)
-#define HICN_PUNTING_BUFFER_SIZE_128 (128)
-
-/* Limits */
-
-#define HICN_PUNT_IP4 0
-#define HICN_PUNT_IP6 1
-
-#define HICN_MAX_INTFC 256
-
-/* We also consider mask = 0 to match everything */
-#define HICN_PUNT_IP4_MASK 33
-#define HICN_PUNT_IP6_MASK 129
-
-#define HICN_PUNT_IP_TYPE 0
-#define HICN_PUNT_UDP4_TYPE 1
-#define HICN_PUNT_UDP6_TYPE 2
-
-#define HICN_PUNT_INVALID_PORT 0
-/*
- * u32 ip4_vnet_tbl_idx[HICN_MAX_INTFC][2][3][HICN_PUNT_IP4_MASK];
- * //[skip][src][mask],[skip][dst][mask] u32
- * ip6_vnet_tbl_idx[HICN_MAX_INTFC][2][3][HICN_PUNT_IP6_MASK];
- * //[skip][src][mask],[skip][dst][mask]
- */
-#define PUNT_MASK(ip) (ip->addr_len_bits + 1)
-#define TABLE_ELT_P(ip, i, j, k, l) (ip->tbl + (4 * 2 * PUNT_MASK(ip)) * i + (2 * PUNT_MASK(ip)) * j + k * PUNT_MASK(ip) + l)
-#define TABLE_ELT(ip, i, j, k, l) (*(TABLE_ELT_P(ip, i, j, k, l)))
-
-#define NO_L2 0
-#define ETH_L2 sizeof(ethernet_header_t)
-
-#define IPPROTO_MASK 0xFF
-
-/* Index to access vnet table index */
-#define HICN_PUNT_SRC 0
-#define HICN_PUNT_DST 1
-
-#define HICN_PUNT_OK 0
-#define HICN_PUNT_ERR 1
-
-#define HICNP_PUNY_INVALID_TBL ~0
-
-/* Number of bytes before the next header/protocol field in ip6/4 */
-#define BYTES_TO_PROTOCOL_IP4 9
-#define BYTES_TO_NEXT_HEADER_IP6 6
-
-#define PUNT_BUFFER_SIZE 100 /* B */
-#define CLASSIFIER_VECTOR_SIZE 16 /* B */
-
-#define OP_DEL 0
-#define OP_ADD 1
-#define OP_DISABLE 0
-#define OP_ENABLE 1
-
-/* vnet_classify_add_del_table */
-#define HICN_CLASSIFY_NO_NEXT_TABLE 0xFFFFFFFF
-#define HICN_CLASSIFY_MISS_NEXT_INDEX 16
-#define HICN_CLASSIFY_CURRENT_DATA_FLAG CLASSIFY_FLAG_USE_CURR_DATA
-#define HICN_CLASSIFY_NO_CURRENT_DATA_FLAG 0
-#define HICN_CLASSIFY_CURRENT_DATA_OFFSET 0
-#define HICN_CLASSIFY_DON_T_DEL_CHAIN 0
-
-/* vnet_classify_add_del_session */
-#define HICN_CLASSIFY_OPAQUE_INDEX 0xFFFFFFFF
-#define HICN_CLASSIFY_ADVANCE 0
-#define HICN_CLASSIFY_ACTION 0
-#define HICN_CLASSIFY_METADATA 0
-
-/* This should be equal to the number of rules we expect in each table */
-#define HICN_CLASSIFY_NBUCKETS 3
-
-
-/* HICN punt node index */
-typedef struct _hicn_node_info_s
-{
- u32 hicn_face_ip4_input_index;
- u32 hicn_face_ip6_input_index;
- u32 hicn_iface_ip4_input_index;
- u32 hicn_iface_ip6_input_index;
- u32 hicn_face_ip4_output_index;
- u32 hicn_face_ip6_output_index;
- u32 hicn_iface_ip4_output_index;
- u32 hicn_iface_ip6_output_index;
- u32 hicn_face_udp4_input_index;
- u32 hicn_face_udp6_input_index;
- u32 hicn_iface_udp4_input_index;
- u32 hicn_iface_udp6_input_index;
- u32 hicn_face_udp4_output_index;
- u32 hicn_face_udp6_output_index;
- u32 hicn_iface_udp4_output_index;
- u32 hicn_iface_udp6_output_index;
- u32 ip4_inacl_node_index;
- u32 ip6_inacl_node_index;
- u32 ip4_lookup_node_index;
- u32 ip6_lookup_node_index;
-} hicn_node_info_t;
-
-/*
- * HICN global PUNT info
- */
-typedef struct _hicn_punt_glb_s
-{
- hicn_node_info_t hicn_node_info;
-
- /*
- * The following nodes are used to create the vlib node graph, and
- * point classified packets to the right node.
- */
- u32 next_hit_interest_ipv4;
- //node - graph index to forward packets to our hicn nodes
- u32 next_hit_data_ipv4;
- u32 next_hit_interest_ipv6;
- //node - graph index to forward packets to our hicn nodes
- u32 next_hit_data_ipv6;
- u32 next_hit_interest_udp4;
- //node - graph index to forward packets to our hicn nodes
- u32 next_hit_data_udp4;
- u32 next_hit_interest_udp6;
- //node - graph index to forward packets to our hicn nodes
- u32 next_hit_data_udp6;
-
- /*
- * One table is created : - per interface : so that we can have
- * different punted prefixes per interface, and thus decrease the
- * amount of matched rules per packet. An interface will be
- * consistently receiving packets with or without the ethernet
- * header, and thus the offsets should always be correct. - per skip
- * (assuming it is for the base offset (ethernet or not), in which
- * case the interface should be sufficient. - per prefix length to
- * allow for sorting later. - per src / dst (?)
- *
- * Note that there is no test on the packet type (v4 or v6), as they
- * follow distinct paths in the vpp graph and will thus be dispatched
- * to distinct classifiers. This is also why we duplicate the state
- * for both IPv4 and IPv6 in this implementation.
- *
- * Tables are chained per interface in the order they are added. Each
- * table consists in a set of rules (named sessions).
- *
- * / interface --> table i [.next_table_index=j] --> table j [.nti=~0]
- * -- drop \ | | +-- on match,
- * send to node m +-- [...] to node n
- *
- * For debugging purposes, you can use the following commands:
- *
- * vppctl show inacl type ip4 vppctl show inacl type ip6
- *
- * vppctl show classify tables [verbose]
- *
- * TODO: - allow tables to be removed - sort tables with decreasing
- * prefix length to allow for LPM. - directly access the linked list
- * through vpp APIs and remove global variables. They are not
- * sufficient anyways for removal.
- */
-
- /**
- * Given the current implementation, the following multidimensional array
- * stores the table indexes uniquerly identified by the 4-tuple (interface,
- * skip, src/dst, mask).
- *
- * For flexibility, some macros and functions will be defined in the .c to
- * manipulate this array.
- */
- u32 ip4_vnet_tbl_idx[HICN_MAX_INTFC][4][2][HICN_PUNT_IP4_MASK];
- //[skip][src][mask],[skip][dst][mask]
- u32 ip6_vnet_tbl_idx[HICN_MAX_INTFC][4][2][HICN_PUNT_IP6_MASK];
- //[skip][src][mask],[skip][dst][mask]
- u32 udp44_vnet_tbl_idx[HICN_MAX_INTFC][4][2][HICN_PUNT_IP4_MASK];
- //[skip][src][mask],[skip][dst][mask]
- u32 udp46_vnet_tbl_idx[HICN_MAX_INTFC][4][2][HICN_PUNT_IP6_MASK];
- //[skip][src][mask],[skip][dst][mask]
- u32 udp64_vnet_tbl_idx[HICN_MAX_INTFC][4][2][HICN_PUNT_IP4_MASK];
- //[skip][src][mask],[skip][dst][mask]
- u32 udp66_vnet_tbl_idx[HICN_MAX_INTFC][4][2][HICN_PUNT_IP6_MASK];
- //[skip][src][mask],[skip][dst][mask]
-
- /*
- * The first and last tables associated to each interface (both for
- * v4 and v6) are stored. They are respectively used to : - start
- * classification on the correct table depending on the input
- * interface: the assumption is that different interfaces with punt
- * different prefixes, which should decreate the number of potential
- * rules to match for each incoming packet. see.
- * vnet_set_input_acl_intfc() - maintain the chaining between tables
- * so that upon addition, the newly created table can be chained to
- * the previous last one.
- */
- u32 head_ip4[HICN_MAX_INTFC];
- u32 tail_ip4[HICN_MAX_INTFC];
- u32 head_ip6[HICN_MAX_INTFC];
- u32 tail_ip6[HICN_MAX_INTFC];
-
-} hicn_punt_glb_t;
-
-extern hicn_punt_glb_t hicn_punt_glb;
-
-
-
-/* XXX The two following structs might be opaque */
-
-#define NA 0
-
-typedef struct
-{
- u32 offset;
- u32 len; /* bytes */
- u32 punt_id; /* see explanation in hicn_punt.c */
-} field_t;
-
-/* Format: _(name, base, layer, field, punt_id) */
-#define foreach_field \
- _(ipv6_src, 0, _ipv6_header_t, saddr, HICN_PUNT_SRC) \
- _(ipv6_dst, 0, _ipv6_header_t, daddr, HICN_PUNT_DST) \
- _(ipv6_protocol, 0, _ipv6_header_t, nxt, NA) \
- _(ipv4_src, 0, _ipv4_header_t, saddr, HICN_PUNT_SRC) \
- _(ipv4_dst, 0, _ipv4_header_t, daddr, HICN_PUNT_DST) \
- _(ipv4_protocol, 0, _ipv4_header_t, protocol, NA) \
- \
- _(ipv4_version, 0, _ipv4_header_t, version_ihl, NA) \
- _(ipv6_version, 0, _ipv6_header_t, vfc, NA) \
- _(udp4_sport, IPV4_HDRLEN, _udp_header_t, src_port, NA) \
- _(udp4_dport, IPV4_HDRLEN, _udp_header_t, dst_port, NA) \
- _(udp6_sport, IPV6_HDRLEN, _udp_header_t, src_port, NA) \
- _(udp6_dport, IPV6_HDRLEN, _udp_header_t, dst_port, NA) \
- _(udp6_protocol, 0, _ipv6_header_t, nxt, NA) \
- _(udp4_protocol, 0, _ipv4_header_t, protocol, NA) \
- _(udp46_src, IPV4_HDRLEN + UDP_HDRLEN, _ipv6_header_t, saddr, HICN_PUNT_SRC) \
- _(udp46_dst, IPV4_HDRLEN + UDP_HDRLEN, _ipv6_header_t, daddr, HICN_PUNT_DST) \
- _(udp44_src, IPV4_HDRLEN + UDP_HDRLEN, _ipv4_header_t, saddr, HICN_PUNT_SRC) \
- _(udp44_dst, IPV4_HDRLEN + UDP_HDRLEN, _ipv4_header_t, daddr, HICN_PUNT_DST) \
- _(udp66_src, IPV6_HDRLEN + UDP_HDRLEN, _ipv6_header_t, saddr, HICN_PUNT_SRC) \
- _(udp66_dst, IPV6_HDRLEN + UDP_HDRLEN, _ipv6_header_t, daddr, HICN_PUNT_DST) \
- _(udp64_src, IPV6_HDRLEN + UDP_HDRLEN, _ipv6_header_t, saddr, HICN_PUNT_SRC) \
- _(udp64_dst, IPV6_HDRLEN + UDP_HDRLEN, _ipv6_header_t, daddr, HICN_PUNT_DST) \
-
-
-#define _(NAME, BASE, LAYER, FIELD, PUNT_ID) \
- extern field_t NAME;
-foreach_field
-#undef _
- typedef struct
-{
- u32 *tbl;
- u8 addr_len_bits;
- field_t *protocol_field;
- field_t *version_field;
- field_t *udp_sport;
- field_t *udp_dport;
- u8 ip_version;
-} ip_version_t;
-
-extern ip_version_t ipv4;
-extern ip_version_t ipv6;
-
-
-/* ------------------------- */
-
-/**
- * @brief Punt table APIs
- *
- * Those APIs are called when the first punting table is created for a given
- * interface, so as to point to the start of the chain.
- */
-void
-hicn_punt_enable_disable_vnet_ip4_table_on_intf (vlib_main_t * vm,
- u32 sw_if_index,
- int is_enable);
-void
-hicn_punt_enable_disable_vnet_ip6_table_on_intf (vlib_main_t * vm,
- u32 sw_if_index,
- int is_enable);
-u32 hicn_punt_interest_data_for_udp (vlib_main_t * vm,
- fib_prefix_t * prefix,
- u32 swif, u8 punt_type, u16 sport,
- u16 dport, u8 with_l2);
-u32 hicn_punt_interest_data_for_ip (vlib_main_t * vm,
- fib_prefix_t * prefix,
- u32 swif, u8 type, u8 with_l2);
-int hicn_punt_remove_ip6_address (vlib_main_t * vm, fib_prefix_t * prefix,
- int skip, u32 swif, int is_enable,
- u8 with_l2);
-int hicn_punt_remove_ip4_address (vlib_main_t * vm, fib_prefix_t * prefix,
- int skip, u32 swif, int is_enable,
- u8 with_l2);
-void hicn_punt_init (vlib_main_t * vm);
-
-int
-hicn_punt_add_del_vnettbl (ip_version_t * ip, field_t * field, u8 mask, u32
- next_tbl_index, u32 intfc, u8 base_offset,
- u8 use_current_data, int is_add);
-
-#define hicn_punt_add_vnettbl(ip, field, mask, next_tbl_index, intfc, base_offset, use_current_data) \
- (hicn_punt_add_del_vnettbl(ip, field, mask, next_tbl_index, intfc, base_offset, use_current_data, OP_ADD))
-
-#define hicn_punt_del_vnettbl(ip, field, mask, next_tbl_index, intfc, base_offset) \
- (hicn_punt_add_del_vnettbl(ip, field, mask, next_tbl_index, intfc, base_offset, HICN_CLASSIFY_NO_CURRENT_DATA_FLAG, OP_DEL))
-
-int
-hicn_punt_add_del_vnetssn (ip_version_t * ip, field_t * field,
- fib_prefix_t * prefix,
- u32 next_hit_index, u32 intfc, u8 base_offset,
- int is_add);
-
-#define hicn_punt_add_vnetssn(ip, field, addr, index, intfc, offset) \
- (hicn_punt_add_del_vnetssn(ip, field, addr, index, intfc, offset, OP_ADD))
-
-#define hicn_punt_del_vnetssn(ip, field, addr, index, intfc, offset) \
- (hicn_punt_add_del_vnetssn(ip, field, addr, index, intfc, offset, OP_DEL))
-
-#endif /* // __HICN_PUNT_H__ */
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables: eval: (c-set-style "gnu") End:
- */
Code Review / hicn.git / commitdiff