diff options
Diffstat (limited to 'hicn-plugin/src/punt.c')
| -rw-r--r-- | hicn-plugin/src/punt.c | 1200 |
1 files changed, 0 insertions, 1200 deletions
diff --git a/hicn-plugin/src/punt.c b/hicn-plugin/src/punt.c deleted file mode 100644 index d62cf992d..000000000 --- a/hicn-plugin/src/punt.c +++ /dev/null @@ -1,1200 +0,0 @@ -/* - * 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: - */ |