diff options
Diffstat (limited to 'hicn-plugin/src/faces/app')
| -rw-r--r-- | hicn-plugin/src/faces/app/address_mgr.c | 241 | ||||
| -rw-r--r-- | hicn-plugin/src/faces/app/address_mgr.h | 76 | ||||
| -rw-r--r-- | hicn-plugin/src/faces/app/face_app_cli.c | 205 | ||||
| -rw-r--r-- | hicn-plugin/src/faces/app/face_cons.c | 116 | ||||
| -rw-r--r-- | hicn-plugin/src/faces/app/face_cons.h | 76 | ||||
| -rw-r--r-- | hicn-plugin/src/faces/app/face_prod.c | 369 | ||||
| -rw-r--r-- | hicn-plugin/src/faces/app/face_prod.h | 106 | ||||
| -rw-r--r-- | hicn-plugin/src/faces/app/face_prod_node.c | 314 |
8 files changed, 1503 insertions, 0 deletions
diff --git a/hicn-plugin/src/faces/app/address_mgr.c b/hicn-plugin/src/faces/app/address_mgr.c new file mode 100644 index 000000000..2d5894ab8 --- /dev/null +++ b/hicn-plugin/src/faces/app/address_mgr.c @@ -0,0 +1,241 @@ +/* + * Copyright (c) 2017-2020 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. + */ + +/* + * Copyright (c) 2017-2019 by cisco systems inc. All rights reserved. + * + */ + +#include <dlfcn.h> + +#include <vlib/vlib.h> +#include <vnet/ip/ip6_packet.h> +#include <vnet/ip/ip4.h> //ip4_add_del_ip_address +#include <vnet/ip/ip6.h> //ip6_add_del_ip_address +#include <vnet/fib/fib_types.h> //FIB_PROTOCOL_IP4/6, FIB_NODE_INDEX_INVALID +#include <vnet/fib/fib_entry.h> //FIB_SOURCE_PRIORITY_HI +#include <vnet/fib/fib_table.h> +#include <vppinfra/format.h> +#include <vnet/interface.h> //appif_flags +#include <vnet/interface_funcs.h> //vnet_sw_interface_set_flags + +#include "address_mgr.h" +#include "../../hicn.h" +#include "../../infra.h" +#include "../../error.h" +#include "../face.h" +#include "../../strategy_dpo_ctx.h" +#include "../../route.h" + +typedef struct address_mgr_main_s +{ + ip4_address_t next_ip4_local_addr; + ip6_address_t next_ip6_local_addr; +} address_mgr_main_t; + +address_mgr_main_t address_mgr_main; + +static void +increment_v4_address (ip4_address_t * a, u32 val) +{ + u32 v; + + v = clib_net_to_host_u32 (a->as_u32) + val; + a->as_u32 = clib_host_to_net_u32 (v); +} + +static void +increment_v6_address (ip6_address_t * a, u64 val) +{ + u64 v; + + v = clib_net_to_host_u64 (a->as_u64[1]) + val; + a->as_u64[1] = clib_host_to_net_u64 (v); +} + +void +get_two_ip4_addresses (ip4_address_t * appif_addr, ip4_address_t * nh_addr) +{ + /* We want two consecutives address that fall into a /31 mask */ + if (address_mgr_main.next_ip4_local_addr.as_u8[3] & 0x01) + increment_v4_address (&(address_mgr_main.next_ip4_local_addr), 1); + + *appif_addr = address_mgr_main.next_ip4_local_addr; + increment_v4_address (&(address_mgr_main.next_ip4_local_addr), 1); + *nh_addr = address_mgr_main.next_ip4_local_addr; + fib_prefix_t fib_pfx; + fib_node_index_t fib_entry_index = FIB_NODE_INDEX_INVALID; + u32 fib_index; + + fib_pfx.fp_proto = FIB_PROTOCOL_IP4; + fib_pfx.fp_len = ADDR_MGR_IP4_LEN; + /* At this point the face exists in the face table */ + do + { + /* Check if the route already exist in the fib */ + fib_pfx.fp_addr = to_ip46 ( /* is_v6 */ 0, appif_addr->as_u8); + fib_index = fib_table_find_or_create_and_lock (fib_pfx.fp_proto, + HICN_FIB_TABLE, + FIB_SOURCE_PRIORITY_HI); + fib_entry_index = fib_table_lookup_exact_match (fib_index, &fib_pfx); + fib_table_unlock (fib_index, fib_pfx.fp_proto, FIB_SOURCE_PRIORITY_HI); + if (fib_entry_index != FIB_NODE_INDEX_INVALID) + { + fib_pfx.fp_addr = to_ip46 ( /* is_v6 */ 0, nh_addr->as_u8); + fib_index = fib_table_find_or_create_and_lock (fib_pfx.fp_proto, + HICN_FIB_TABLE, + FIB_SOURCE_PRIORITY_HI); + fib_entry_index = + fib_table_lookup_exact_match (fib_index, &fib_pfx); + fib_table_unlock (fib_index, fib_pfx.fp_proto, + FIB_SOURCE_PRIORITY_HI); + } + if (fib_entry_index != FIB_NODE_INDEX_INVALID) + { + increment_v4_address (appif_addr, 2); + increment_v4_address (nh_addr, 2); + } + } + while (fib_entry_index != FIB_NODE_INDEX_INVALID); + + address_mgr_main.next_ip4_local_addr = *nh_addr; + increment_v4_address (&(address_mgr_main.next_ip4_local_addr), 1); +} + +void +get_two_ip6_addresses (ip6_address_t * appif_addr, ip6_address_t * nh_addr) +{ + + /* We want two consecutives address that fall into a /127 mask */ + if (address_mgr_main.next_ip6_local_addr.as_u8[15] & 0x01) + increment_v6_address (&(address_mgr_main.next_ip6_local_addr), 1); + + *appif_addr = address_mgr_main.next_ip6_local_addr; + increment_v6_address (&(address_mgr_main.next_ip6_local_addr), 1); + *nh_addr = address_mgr_main.next_ip6_local_addr; + + + fib_prefix_t fib_pfx; + fib_node_index_t fib_entry_index = FIB_NODE_INDEX_INVALID; + u32 fib_index; + + fib_pfx.fp_proto = FIB_PROTOCOL_IP6; + fib_pfx.fp_len = ADDR_MGR_IP6_LEN; + + fib_index = fib_table_find (fib_pfx.fp_proto, 0); + + /* At this point the face exists in the face table */ + do + { + /* Check if the route already exist in the fib */ + fib_pfx.fp_addr = to_ip46 ( /* is_v6 */ 1, appif_addr->as_u8); + + fib_entry_index = fib_table_lookup_exact_match (fib_index, &fib_pfx); + //fib_table_unlock (fib_index, fib_pfx.fp_proto, FIB_SOURCE_PRIORITY_HI); + if (fib_entry_index != FIB_NODE_INDEX_INVALID) + { + fib_pfx.fp_addr = to_ip46 ( /* is_v6 */ 0, nh_addr->as_u8); + + fib_entry_index = + fib_table_lookup_exact_match (fib_index, &fib_pfx); + // fib_table_unlock (fib_index, fib_pfx.fp_proto, + // FIB_SOURCE_PRIORITY_HI); + } + if (fib_entry_index != FIB_NODE_INDEX_INVALID) + { + increment_v6_address (appif_addr, 2); + increment_v6_address (nh_addr, 2); + } + } + while (fib_entry_index != FIB_NODE_INDEX_INVALID); + + address_mgr_main.next_ip6_local_addr = *nh_addr; + increment_v6_address (&(address_mgr_main.next_ip6_local_addr), 1); +} + +ip4_address_t +get_ip4_address () +{ + ip4_address_t *prefix = &address_mgr_main.next_ip4_local_addr; + fib_prefix_t fib_pfx; + fib_node_index_t fib_entry_index = FIB_NODE_INDEX_INVALID; + u32 fib_index; + + fib_pfx.fp_proto = FIB_PROTOCOL_IP4; + fib_pfx.fp_len = ADDR_MGR_IP4_LEN; + /* At this point the face exists in the face table */ + do + { + /* Check if the route already exist in the fib */ + fib_pfx.fp_addr = to_ip46 ( /* is_v6 */ 0, prefix->as_u8); + fib_index = fib_table_find_or_create_and_lock (fib_pfx.fp_proto, + HICN_FIB_TABLE, + FIB_SOURCE_PRIORITY_HI); + fib_entry_index = fib_table_lookup_exact_match (fib_index, &fib_pfx); + fib_table_unlock (fib_index, fib_pfx.fp_proto, FIB_SOURCE_PRIORITY_HI); + increment_v4_address (prefix, 1); + } + while (fib_entry_index != FIB_NODE_INDEX_INVALID); + + return fib_pfx.fp_addr.ip4; +} + +ip6_address_t +get_ip6_address () +{ + ip6_address_t *prefix = &address_mgr_main.next_ip6_local_addr; + fib_prefix_t fib_pfx; + fib_node_index_t fib_entry_index = FIB_NODE_INDEX_INVALID; + u32 fib_index; + + fib_pfx.fp_proto = FIB_PROTOCOL_IP6; + fib_pfx.fp_len = ADDR_MGR_IP6_LEN; + /* At this point the face exists in the face table */ + do + { + /* Check if the route already exist in the fib */ + fib_pfx.fp_addr = to_ip46 ( /* is_v6 */ 1, prefix->as_u8); + fib_index = fib_table_find_or_create_and_lock (fib_pfx.fp_proto, + HICN_FIB_TABLE, + FIB_SOURCE_PRIORITY_HI); + fib_entry_index = fib_table_lookup_exact_match (fib_index, &fib_pfx); + fib_table_unlock (fib_index, fib_pfx.fp_proto, FIB_SOURCE_PRIORITY_HI); + increment_v6_address (prefix, 1); + } + while (fib_entry_index != FIB_NODE_INDEX_INVALID); + + return fib_pfx.fp_addr.ip6; +} + +void +address_mgr_init () +{ + + address_mgr_main.next_ip4_local_addr.as_u8[0] = 169; + address_mgr_main.next_ip4_local_addr.as_u8[1] = 254; + address_mgr_main.next_ip4_local_addr.as_u8[2] = 1; + address_mgr_main.next_ip4_local_addr.as_u8[3] = 1; + + ip6_address_set_zero (&address_mgr_main.next_ip6_local_addr); + address_mgr_main.next_ip6_local_addr.as_u16[0] = + clib_host_to_net_u16 (0xfc00); + address_mgr_main.next_ip6_local_addr.as_u8[15] = 1; +} + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: eval: (c-set-style "gnu") End: + */ diff --git a/hicn-plugin/src/faces/app/address_mgr.h b/hicn-plugin/src/faces/app/address_mgr.h new file mode 100644 index 000000000..99450dcdd --- /dev/null +++ b/hicn-plugin/src/faces/app/address_mgr.h @@ -0,0 +1,76 @@ +/* + * 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 _ADDRESS_MGR_H_ +#define _ADDRESS_MGR_H_ + +/** + * @file + * + * @brief Address manager. + * + * Address manager that maintains a pool of ip4 and ip6 addresses to assign to + * an interface. + */ + +#define ADDR_MGR_IP4_LEN 32 +#define ADDR_MGR_IP4_CONS_LEN 31 +#define ADDR_MGR_IP6_LEN 128 +#define ADDR_MGR_IP6_CONS_LEN 127 + +/** + * @brief Get two consecutive IP v4 addresses from the same /31 subnet + * + * @param addr1 first ip address with the least significant bit set to 0 + * @param addr2 second ip address with the least significant bit set to 1 + */ +void get_two_ip4_addresses (ip4_address_t * addr1, ip4_address_t * addr2); + +/** + * @brief Get two consecutive IP v6 addresses from the same /126 subnet + * + * @param addr1 first ip address with the least significant bit set to 0 + * @param addr2 second ip address with the least significant bit set to 1 + */ +void get_two_ip6_addresses (ip6_address_t * addr1, ip6_address_t * addr2); + +/** + * @brief Get one IP v4 address + * + * @return ip address + */ +ip4_address_t get_ip4_address (void); + +/** + * @brief Get one IP v6 address + * + * @return ip address + */ +ip6_address_t get_ip6_address (void); + +/** + * @brief Init the address manager + */ +void address_mgr_init (void); + +#endif /* _ADDRESS_MGR_ */ + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ diff --git a/hicn-plugin/src/faces/app/face_app_cli.c b/hicn-plugin/src/faces/app/face_app_cli.c new file mode 100644 index 000000000..1aa27adc7 --- /dev/null +++ b/hicn-plugin/src/faces/app/face_app_cli.c @@ -0,0 +1,205 @@ +/* + * Copyright (c) 2017-2020 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 <vnet/vnet.h> +#include <vnet/dpo/dpo.h> +#include <vlib/vlib.h> +#include <vnet/ip/ip6_packet.h> + +//#include "../face_dpo.h" +#include "../face.h" +#include "face_prod.h" +#include "face_cons.h" + +#define HICN_FACE_NONE 0 +#define HICN_FACE_DELETE 1 +#define HICN_FACE_ADD 2 + +static clib_error_t * +hicn_face_app_cli_set_command_fn (vlib_main_t * vm, + unformat_input_t * main_input, + vlib_cli_command_t * cmd) +{ + vnet_main_t *vnm = vnet_get_main (); + fib_prefix_t prefix; + hicn_face_id_t face_id1 = HICN_FACE_NULL; + hicn_face_id_t face_id2 = HICN_FACE_NULL; + u32 cs_reserved = HICN_PARAM_FACE_DFT_CS_RESERVED; + int ret = HICN_ERROR_NONE; + int sw_if; + int face_op = HICN_FACE_NONE; + int prod = 0; + + + /* Get a line of input. */ + unformat_input_t _line_input, *line_input = &_line_input; + if (!unformat_user (main_input, unformat_line_input, line_input)) + { + return (0); + } + + while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) + { + if (unformat (line_input, "del")) + { + face_op = HICN_FACE_DELETE; + } + else if (face_op == HICN_FACE_DELETE + && unformat (line_input, "id %d", &face_id1)) + ; + else if (unformat (line_input, "add")) + { + face_op = HICN_FACE_ADD; + } + else if (face_op == HICN_FACE_ADD) + { + if (unformat (line_input, "intfc %U", + unformat_vnet_sw_interface, vnm, &sw_if)) + ; + else + if (unformat + (line_input, "prod prefix %U/%d", unformat_ip46_address, + &prefix.fp_addr, IP46_TYPE_ANY, &prefix.fp_len)) + { + prod = 1; + } + else if (prod && unformat (line_input, "cs_size %d", &cs_reserved)) + ; + else if (unformat (line_input, "cons")) + ; + else + { + return clib_error_return (0, "%s '%U'", + get_error_string + (HICN_ERROR_CLI_INVAL), + format_unformat_error, line_input); + } + } + else + { + return clib_error_return (0, "%s '%U'", + get_error_string (HICN_ERROR_CLI_INVAL), + format_unformat_error, line_input); + } + } + + if (face_id1 != HICN_FACE_NULL) + { + + if (!hicn_dpoi_idx_is_valid (face_id1)) + { + return clib_error_return (0, "%s, face_id1 %d not valid", + get_error_string (ret), face_id1); + } + } + + int rv; + switch (face_op) + { + case HICN_FACE_ADD: + { + ip46_address_t prod_addr; + ip4_address_t cons_addr4; + ip6_address_t cons_addr6; + + if (prod) + { + prefix.fp_proto = + ip46_address_is_ip4 (&prefix. + fp_addr) ? FIB_PROTOCOL_IP4 : + FIB_PROTOCOL_IP6; + rv = + hicn_face_prod_add (&prefix, sw_if, &cs_reserved, &prod_addr, + &face_id1); + if (rv == HICN_ERROR_NONE) + { + u8 *sbuf = NULL; + sbuf = + format (sbuf, "Face id: %d, producer address %U", face_id1, + format_ip46_address, &prod_addr, + 0 /*IP46_ANY_TYPE */ ); + vlib_cli_output (vm, "%s", sbuf); + } + else + { + return clib_error_return (0, get_error_string (rv)); + } + } + else + { + rv = + hicn_face_cons_add (&cons_addr4, &cons_addr6, sw_if, &face_id1, + &face_id2); + if (rv == HICN_ERROR_NONE) + { + u8 *sbuf = NULL; + sbuf = + format (sbuf, + "Face id: %d, address v4 %U, face id: %d address v6 %U", + face_id1, format_ip4_address, &cons_addr4, face_id2, + format_ip6_address, &cons_addr6); + vlib_cli_output (vm, "%s", sbuf); + } + else + { + return clib_error_return (0, get_error_string (rv)); + } + } + break; + } + case HICN_FACE_DELETE: + { + hicn_face_t *face = hicn_dpoi_get_from_idx (face_id1); + + if (face->flags & HICN_FACE_FLAGS_APPFACE_CONS) + rv = hicn_face_cons_del (face_id1); + else + rv = hicn_face_prod_del (face_id1); + if (rv == HICN_ERROR_NONE) + { + vlib_cli_output (vm, "Face %d deleted", face_id1); + } + else + { + return clib_error_return (0, get_error_string (rv)); + } + break; + } + default: + return clib_error_return (0, "Operation (%d) not implemented", face_op); + break; + } + return (rv == HICN_ERROR_NONE) ? 0 : clib_error_return (0, "%s\n", + get_error_string + (rv)); +} + +/* cli declaration for 'cfg face' */ +/* *INDENT-OFF* */ +VLIB_CLI_COMMAND (hicn_face_app_cli_set_command, static) = +{ + .path = "hicn face app", + .short_help = "hicn face app {add intfc <sw_if> { prod prefix <hicn_prefix> cs_size <size_in_packets>} {cons} | {del <face_id>}", + .function = hicn_face_app_cli_set_command_fn, +}; +/* *INDENT-ON* */ + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ diff --git a/hicn-plugin/src/faces/app/face_cons.c b/hicn-plugin/src/faces/app/face_cons.c new file mode 100644 index 000000000..d44ba1a2b --- /dev/null +++ b/hicn-plugin/src/faces/app/face_cons.c @@ -0,0 +1,116 @@ +/* + * Copyright (c) 2017-2020 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 <vnet/ip/ip6_packet.h> +#include <vlib/vlib.h> +#include <vnet/vnet.h> + +#include "face_cons.h" +#include "address_mgr.h" +#include "../../infra.h" + +int +hicn_face_cons_add (ip4_address_t * nh_addr4, ip6_address_t * nh_addr6, + u32 swif, hicn_face_id_t * faceid1, + hicn_face_id_t * faceid2) +{ + /* Create the corresponding appif if */ + /* Retrieve a valid local ip address to assign to the appif */ + /* Set the ip address and create the face in the face db */ + + vlib_main_t *vm = vlib_get_main (); + vnet_main_t *vnm = vnet_get_main (); + + hicn_main_t *hm = &hicn_main; + + ip46_address_t if_ip; + ip46_address_reset (&if_ip); + nh_addr4->as_u32 = 0; + nh_addr6->as_u64[0] = 0; + nh_addr6->as_u64[1] = 0; + u32 if_flags = 0; + + if (!hm->is_enabled) + { + return HICN_ERROR_FWD_NOT_ENABLED; + } + if_flags |= VNET_SW_INTERFACE_FLAG_ADMIN_UP; + vnet_sw_interface_set_flags (vnm, swif, if_flags); + + get_two_ip4_addresses (&(if_ip.ip4), nh_addr4); + ip4_add_del_interface_address (vm, + swif, + &(if_ip.ip4), + ADDR_MGR_IP4_CONS_LEN, 0 /* is_del */ ); + + ip46_address_t nh_addr = to_ip46 (0, (u8 *) nh_addr4); + + index_t adj_index = adj_nbr_find(FIB_PROTOCOL_IP4, VNET_LINK_IP4, &nh_addr, swif); + + hicn_iface_add (&nh_addr, swif, faceid1, DPO_PROTO_IP4, adj_index); + + hicn_face_t *face = hicn_dpoi_get_from_idx (*faceid1); + face->flags |= HICN_FACE_FLAGS_APPFACE_CONS; + + get_two_ip6_addresses (&(if_ip.ip6), nh_addr6); + ip6_add_del_interface_address (vm, + swif, + &(if_ip.ip6), + ADDR_MGR_IP6_CONS_LEN, 0 /* is_del */ ); + + adj_index = adj_nbr_find(FIB_PROTOCOL_IP6, VNET_LINK_IP6, &nh_addr, swif); + + hicn_iface_add ((ip46_address_t *) nh_addr6, swif, faceid2, DPO_PROTO_IP6, adj_index); + + face = hicn_dpoi_get_from_idx (*faceid2); + face->flags |= HICN_FACE_FLAGS_APPFACE_CONS; + + return HICN_ERROR_NONE; +} + +int +hicn_face_cons_del (hicn_face_id_t face_id) +{ + if (!hicn_dpoi_idx_is_valid (face_id)) + return HICN_ERROR_APPFACE_NOT_FOUND; + + hicn_face_t *face = hicn_dpoi_get_from_idx (face_id); + + if (face->flags & HICN_FACE_FLAGS_APPFACE_CONS) + { + return hicn_face_del (face_id); + } + else + { + return HICN_ERROR_APPFACE_NOT_FOUND; + } +} + +u8 * +format_hicn_face_cons (u8 * s, va_list * args) +{ + CLIB_UNUSED (index_t index) = va_arg (*args, index_t); + CLIB_UNUSED (u32 indent) = va_arg (*args, u32); + + s = format (s, " (consumer face)"); + + return s; +} + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: eval: (c-set-style "gnu") End: + */ diff --git a/hicn-plugin/src/faces/app/face_cons.h b/hicn-plugin/src/faces/app/face_cons.h new file mode 100644 index 000000000..5f8f5dde8 --- /dev/null +++ b/hicn-plugin/src/faces/app/face_cons.h @@ -0,0 +1,76 @@ +/* + * 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 _FACE_CONSUMER_H_ +#define _FACE_CONSUMER_H_ + +#include <vnet/vnet.h> +#include "../face.h" + +/** + * @file + * + * @brief Consumer application face. + * + * A consumer application face is built upon an ip face and identify a local + * consumer application (co-located with the forwarder) that acts as a + * consumer. The interface used by the consumer application face is + * assumed to be reserved only for hICN traffic (e.g., dedicated memif that + * connects the applictation to the forwarder). Only one application face can be + * assigned to an interface. + * + * In the vlib graph a consumer application face directly connect the + * device-input node to the hicn-vface-ip node. + */ + +/** + * @brief Add a new consumer application face + * + * The method creates the internal ip face and set the ip address to the interface. + * @param nh_addr4 ipv4 address to assign to interface used by the application to + * send interest to the consumer face + * @param nh_addr6 ipv6 address to assign to interface used by the application to + * send interest to the consumer face + * @param swif interface associated to the face + */ +int +hicn_face_cons_add (ip4_address_t * nh_addr4, ip6_address_t * nh_addr6, + u32 swif, hicn_face_id_t * faceid1, + hicn_face_id_t * faceid2); + +/** + * @brief Delete an existing consumer application face + * + * @param face_id Id of the consumer application face + */ +int hicn_face_cons_del (hicn_face_id_t face_id); + +/** + * @brief Format an application consumer face + * + * @param s Pointer to a previous string. If null it will be initialize + * @param args Array storing input values. Expected u32 face_id and u32 indent + * @return String with the formatted face + */ +u8 *format_hicn_face_cons (u8 * s, va_list * args); + + +#endif /* _FACE_CONSUMER_H_ */ + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: eval: (c-set-style "gnu") End: + */ diff --git a/hicn-plugin/src/faces/app/face_prod.c b/hicn-plugin/src/faces/app/face_prod.c new file mode 100644 index 000000000..645154325 --- /dev/null +++ b/hicn-plugin/src/faces/app/face_prod.c @@ -0,0 +1,369 @@ +/* + * Copyright (c) 2017-2020 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 <vnet/ip/ip6_packet.h> +#include <vlib/vlib.h> +#include <vnet/vnet.h> +#include <vnet/interface_funcs.h> + +#include "face_prod.h" +#include "address_mgr.h" +#include "../../infra.h" +#include "../../route.h" +#include "../../cache_policies/cs_lru.h" + +hicn_face_prod_state_t *face_state_vec; + +/* used to check if an interface is already in the vector */ +u32 *face_state_pool; + +static int +hicn_app_state_create (u32 swif, fib_prefix_t * prefix) +{ + /* Make sure that the pool is not empty */ + pool_validate_index (face_state_pool, 0); + + u32 *swif_app; + u8 found = 0; + /* *INDENT-OFF* */ + pool_foreach (swif_app, face_state_pool,{ + if (*swif_app == swif) + { + found = 1; + } + } + ); + /* *INDENT-ON* */ + + + if (found) + return HICN_ERROR_APPFACE_ALREADY_ENABLED; + + + /* Create the appif and store in the vector */ + vec_validate (face_state_vec, swif); + clib_memcpy (&(face_state_vec[swif].prefix), prefix, sizeof (fib_prefix_t)); + + /* Set as busy the element in the vector */ + pool_get (face_state_pool, swif_app); + *swif_app = swif; + + int ret = HICN_ERROR_NONE; + if (ip46_address_is_ip4 (&(prefix->fp_addr))) + { + ret = + vnet_feature_enable_disable ("ip4-unicast", "hicn-face-prod-input", + swif, 1, 0, 0); + } + else + { + ret = + vnet_feature_enable_disable ("ip6-unicast", "hicn-face-prod-input", + swif, 1, 0, 0); + } + + return ret == 0 ? HICN_ERROR_NONE : HICN_ERROR_APPFACE_FEATURE; +} + +static int +hicn_app_state_del (u32 swif) +{ + /* Make sure that the pool is not empty */ + pool_validate_index (face_state_pool, 0); + + u32 *temp; + u32 *swif_app = NULL; + u8 found = 0; + fib_prefix_t *prefix; + /* *INDENT-OFF* */ + pool_foreach (temp, face_state_pool,{ + if (*temp == swif) + { + found = 1; + swif_app = temp; + } + } + ); + /* *INDENT-ON* */ + + if (!found) + return HICN_ERROR_APPFACE_NOT_FOUND; + + prefix = &(face_state_vec[swif].prefix); + + int ret = HICN_ERROR_NONE; + if (ip46_address_is_ip4 (&prefix->fp_addr)) + { + ret = + vnet_feature_enable_disable ("ip4-unicast", "hicn-face-prod-input", + swif, 0, 0, 0); + } + else + { + ret = + vnet_feature_enable_disable ("ip6-unicast", "hicn-face-prod-input", + swif, 0, 0, 0); + } + + pool_put (face_state_pool, swif_app); + memset (&face_state_vec[swif], 0, sizeof (hicn_face_prod_state_t)); + + return ret == 0 ? HICN_ERROR_NONE : HICN_ERROR_APPFACE_FEATURE; +} + +int +hicn_face_prod_add (fib_prefix_t * prefix, u32 sw_if, u32 * cs_reserved, + ip46_address_t * prod_addr, hicn_face_id_t * faceid) +{ + vlib_main_t *vm = vlib_get_main (); + vnet_main_t *vnm = vnet_get_main (); + + hicn_main_t *hm = &hicn_main; + + ip46_address_t local_app_ip; + CLIB_UNUSED(ip46_address_t remote_app_ip); + u32 if_flags = 0; + + if (!hm->is_enabled) + { + return HICN_ERROR_FWD_NOT_ENABLED; + } + + if (vnet_get_sw_interface_or_null (vnm, sw_if) == NULL) + { + return HICN_ERROR_FACE_HW_INT_NOT_FOUND; + } + + int ret = HICN_ERROR_NONE; + hicn_face_t *face = NULL; + + if_flags |= VNET_SW_INTERFACE_FLAG_ADMIN_UP; + vnet_sw_interface_set_flags (vnm, sw_if, if_flags); + + u8 *s0; + s0 = format (0, "Prefix %U", format_fib_prefix, prefix); + + vlib_cli_output (vm, "Received request for %s, swif %d\n", s0, sw_if); + + if (ip46_address_is_zero (&prefix->fp_addr)) + { + return HICN_ERROR_APPFACE_PROD_PREFIX_NULL; + } + + u8 isv6 = ip46_address_is_ip4(prod_addr); + index_t adj_index = adj_nbr_find(isv6 ? FIB_PROTOCOL_IP6 : FIB_PROTOCOL_IP4, isv6 ? VNET_LINK_IP6 : VNET_LINK_IP4, prod_addr, sw_if); + + /* + * Check if a producer face is already existing for the same prefix + * and sw_if + */ + face = hicn_face_get (&(prefix->fp_addr), sw_if, + &hicn_face_hashtb, adj_index); + + if (face != NULL) + { + if (!(face->flags & HICN_FACE_FLAGS_DELETED)) + return HICN_ERROR_FACE_ALREADY_CREATED; + + /* + * Something went worng, a consumer face exists for the + * producer's prefix. + */ + /* It should never happens, this is a safety check. */ + if (face->flags & HICN_FACE_FLAGS_APPFACE_CONS) + return HICN_ERROR_FACE_ALREADY_CREATED; + + /* If the face exists but is marked as deleted, undelete it */ + if (face->flags & HICN_FACE_FLAGS_DELETED) + { + /* + * remove the deleted flag and retrieve the face + * local addr + */ + face->flags &= HICN_FACE_FLAGS_DELETED; + } + } + else + { + /* Otherwise create the face */ + if (ip46_address_is_ip4 (&prefix->fp_addr)) + { + /* + * Otherwise retrieve an ip address to assign as a + * local ip addr. + */ + ip4_address_t local_app_ip4; + ip4_address_t remote_app_ip4; + get_two_ip4_addresses (&local_app_ip4, &remote_app_ip4); + ip4_add_del_interface_address (vm, + sw_if, + &local_app_ip4, 31, 0 /* is_del */ ); + local_app_ip = to_ip46 ( /* isv6 */ 0, local_app_ip4.as_u8); + remote_app_ip = to_ip46 ( /* isv6 */ 0, remote_app_ip4.as_u8); + + vnet_build_rewrite_for_sw_interface(vnm, sw_if, VNET_LINK_IP4, &remote_app_ip4); + } + else + { + ip6_address_t local_app_ip6; + ip6_address_t remote_app_ip6; + get_two_ip6_addresses (&local_app_ip6, &remote_app_ip6); + u8 *s0; + s0 = format (0, "%U", format_ip6_address, &local_app_ip6); + + vlib_cli_output (vm, "Setting ip address %s\n", s0); + + ip6_add_del_interface_address (vm, + sw_if, + &local_app_ip6, 127, + 0 /* is_del */ ); + local_app_ip = to_ip46 ( /* isv6 */ 1, local_app_ip6.as_u8); + remote_app_ip = to_ip46 ( /* isv6 */ 1, remote_app_ip6.as_u8); + } + } + + if (ret == HICN_ERROR_NONE) + // && hicn_face_prod_set_lru_max (*faceid, cs_reserved) == HICN_ERROR_NONE) + { + fib_route_path_t rpath = {0}; + fib_route_path_t * rpaths = NULL; + + if (ip46_address_is_ip4(&(prefix->fp_addr))) + { + ip4_address_t mask; + ip4_preflen_to_mask (prefix->fp_len, &mask); + prefix->fp_addr.ip4.as_u32 = prefix->fp_addr.ip4.as_u32 & mask.as_u32; + prefix->fp_proto = FIB_PROTOCOL_IP4; + + rpath.frp_weight = 1; + rpath.frp_sw_if_index = ~0; + rpath.frp_addr.ip4.as_u32 = remote_app_ip.ip4.as_u32; + rpath.frp_sw_if_index = sw_if; + rpath.frp_proto = DPO_PROTO_IP4; + + vec_add1 (rpaths, rpath); + } + else + { + ip6_address_t mask; + ip6_preflen_to_mask (prefix->fp_len, &mask); + prefix->fp_addr.ip6.as_u64[0] = + prefix->fp_addr.ip6.as_u64[0] & mask.as_u64[0]; + prefix->fp_addr.ip6.as_u64[1] = + prefix->fp_addr.ip6.as_u64[1] & mask.as_u64[1]; + prefix->fp_proto = FIB_PROTOCOL_IP6; + + rpath.frp_weight = 1; + rpath.frp_sw_if_index = ~0; + rpath.frp_addr.ip6.as_u64[0] = remote_app_ip.ip6.as_u64[0]; + rpath.frp_addr.ip6.as_u64[1] = remote_app_ip.ip6.as_u64[1]; + rpath.frp_sw_if_index = sw_if; + rpath.frp_proto = DPO_PROTO_IP6; + + vec_add1 (rpaths, rpath); + } + + u32 fib_index = fib_table_find (prefix->fp_proto, 0); + fib_table_entry_path_add2 (fib_index, + prefix, + FIB_SOURCE_CLI, + FIB_ENTRY_FLAG_NONE, rpaths); + + hicn_route_enable(prefix); + hicn_app_state_create (sw_if, prefix); + } + + adj_index = adj_nbr_find(isv6 ? FIB_PROTOCOL_IP6 : FIB_PROTOCOL_IP4, isv6 ? VNET_LINK_IP6 : VNET_LINK_IP4, prod_addr, sw_if); + face = hicn_face_get(&local_app_ip, sw_if, &hicn_face_hashtb, adj_index);//HICN_FACE_FLAGS_APPFACE_PROD); + + *faceid = hicn_dpoi_get_index (face); + + face->flags |= HICN_FACE_FLAGS_APPFACE_PROD; + + hicn_face_unlock_with_id(*faceid); + + *prod_addr = local_app_ip; + + /* Cleanup in case of something went wrong. */ + if (ret) + { + hicn_app_state_del (sw_if); + } + return ret; +} + +int +hicn_face_prod_del (hicn_face_id_t face_id) +{ + if (!hicn_dpoi_idx_is_valid (face_id)) + return HICN_ERROR_APPFACE_NOT_FOUND; + + hicn_face_t *face = hicn_dpoi_get_from_idx (face_id); + + if (face->flags & HICN_FACE_FLAGS_APPFACE_PROD) + { + /* Remove the face from the fib */ + hicn_route_disable(&(face_state_vec[face->sw_if].prefix)); + //hicn_route_del_nhop (&(face_state_vec[face->sw_if].prefix), + // face_id); + + //int ret = hicn_face_del (face_id); + return hicn_app_state_del (face->sw_if); + //ret == HICN_ERROR_NONE ? hicn_app_state_del (face->sw_if) : ret; + } + else + { + return HICN_ERROR_APPFACE_NOT_FOUND; + } + + return HICN_ERROR_NONE; +} + +u8 * +format_hicn_face_prod (u8 * s, va_list * args) +{ + CLIB_UNUSED (index_t index) = va_arg (*args, index_t); + CLIB_UNUSED (u32 indent) = va_arg (*args, u32); + + s = + format (s, " (producer)"); + + return s; +} + +/* *INDENT-OFF* */ +VNET_FEATURE_INIT(hicn_prod_app_input_ip6, static)= +{ + .arc_name = "ip6-unicast", + .node_name = "hicn-face-prod-input", + .runs_before = VNET_FEATURES("ip6-inacl"), +}; +/* *INDENT-ON* */ + +/* *INDENT-OFF* */ +VNET_FEATURE_INIT(hicn_prod_app_input_ip4, static)= +{ + .arc_name = "ip4-unicast", + .node_name = "hicn-face-prod-input", + .runs_before = VNET_FEATURES("ip4-inacl"), +}; +/* *INDENT-ON* */ + + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: eval: (c-set-style "gnu") End: + */ diff --git a/hicn-plugin/src/faces/app/face_prod.h b/hicn-plugin/src/faces/app/face_prod.h new file mode 100644 index 000000000..4cb2e3fbf --- /dev/null +++ b/hicn-plugin/src/faces/app/face_prod.h @@ -0,0 +1,106 @@ +/* + * Copyright (c) 2017-2020 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 _FACE_PRODUCER_H_ +#define _FACE_PRODUCER_H_ + +#include "../../cache_policies/cs_policy.h" +#include "../face.h" + +/** + * @file + * + * @brief Producer application face. + * + * A producer application face is built upon an ip face and identify a local + * producer application (co-located with the forwarder) that acts as a producer. In the + * current design an application face is either a face towards a consumer face + * or towards a producer. The interface used by the producer application face is + * assumed to be reserved only for hICN traffic (e.g., dedicated memif that + * connects the applictation to the forwarder). Only one application face can be + * assigned to an interface. + * + * To each producer application face it is assigned a portion of the CS. Every + * data arriving to a producer application will be stored in the portion of the + * CS assigned to the face. The eviction policy is defined in the + * face. Available eviction faces are list in the /cache_policy folder. + * + * In the vlib graph a producer application face is directly connected to the + * device-input node (with the node hicn-face-prod-input) and passes every packet to + * the hicn-face-ip node. + */ + +/** + * @brief Producer application face state that refer to the hICN producer socket + * created by the application. + * + */ +typedef struct +{ + fib_prefix_t prefix; +} hicn_face_prod_state_t; + +extern hicn_face_prod_state_t *face_state_vec; + +#define DEFAULT_PROBING_PORT 3784 + +/** + * @brief Add a new producer application face + * + * The method creates the internal ip face and the state specific to the + * producer application face. This method setups a route in the FIB for the + * producer's prefix. + * @param prefix hicn prefix name assigned to the producer face + * @param len length of the prefix + * @param swif interface associated to the face + * @param cs_reserved return the amount of cs assigned to the face + * @param prod_addr address to assign to interface used by the appliction to + * send data to the producer face + */ +int +hicn_face_prod_add (fib_prefix_t * prefix, u32 swif, u32 * cs_reserved, + ip46_address_t * prod_addr, hicn_face_id_t * faceid); + +/** + * @brief Delete an existing application face + * + * @param faceid id of the face to remove + */ +int hicn_face_prod_del (hicn_face_id_t faceid); + +/** + * @brief Set lru queue size for an app face + * + * @param face_id Id of the producer application face + */ +int hicn_face_prod_set_lru_max (hicn_face_id_t face_id, u32 * requested_size); + +/** + * @brief Format an application producer face + * + * @param s Pointer to a previous string. If null it will be initialize + * @param args Array storing input values. Expected u32 face_id and u32 indent + * @return String with the formatted face + */ +u8 *format_hicn_face_prod (u8 * s, va_list * args); + + +#endif /* _FACE_PROD_H_ */ + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: eval: (c-set-style "gnu") End: + */ diff --git a/hicn-plugin/src/faces/app/face_prod_node.c b/hicn-plugin/src/faces/app/face_prod_node.c new file mode 100644 index 000000000..80c3e124c --- /dev/null +++ b/hicn-plugin/src/faces/app/face_prod_node.c @@ -0,0 +1,314 @@ +/* + * Copyright (c) 2017-2020 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. + */ + +/** + * @file + * + * @brief Application interface node + * + * This node runs after the device-input node and perfoms some safety checks in + * order to avoid unespected interest and data (i.e., hICN packets whose name do + * not contain the prefix associated to the application face) + */ + +#include "face_prod.h" +#include "../../hicn_api.h" +#include "../../mgmt.h" + +static __clib_unused char *face_prod_input_error_strings[] = { +#define _(sym, string) string, + foreach_hicnfwd_error +#undef _ +}; + +/* Node context data */ +typedef struct hicn_face_prod_runtime_s +{ + int id; +} hicn_face_prod_runtime_t; + +typedef struct +{ + u32 next_index; + u32 sw_if_index; +} hicn_face_prod_input_trace_t; + +typedef enum +{ + HICN_FACE_PROD_NEXT_DATA_IP4, + HICN_FACE_PROD_NEXT_DATA_IP6, + HICN_FACE_PROD_NEXT_ERROR_DROP, + HICN_FACE_PROD_N_NEXT, +} hicn_face_prod_next_t; + +vlib_node_registration_t hicn_face_prod_input_node; + +static __clib_unused u8 * +format_face_prod_input_trace (u8 * s, va_list * args) +{ + CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *); + CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *); + hicn_face_prod_input_trace_t *t = + va_arg (*args, hicn_face_prod_input_trace_t *); + CLIB_UNUSED (u32 indent) = format_get_indent (s); + + s = format (s, "prod-face: sw_if_index %d next-index %d", + t->sw_if_index, t->next_index); + return s; +} + +static_always_inline int +match_ip4_name (u32 * name, fib_prefix_t * prefix) +{ + u32 xor = 0; + + xor = *name & prefix->fp_addr.ip4.data_u32; + + return xor == prefix->fp_addr.ip4.data_u32; +} + +static_always_inline int +match_ip6_name (u8 * name, fib_prefix_t * prefix) +{ + union + { + u32x4 as_u32x4; + u64 as_u64[2]; + u32 as_u32[4]; + } xor_sum __attribute__ ((aligned (sizeof (u32x4)))); + + xor_sum.as_u64[0] = ((u64 *) name)[0] & prefix->fp_addr.ip6.as_u64[0]; + xor_sum.as_u64[1] = ((u64 *) name)[1] & prefix->fp_addr.ip6.as_u64[1]; + + return (xor_sum.as_u64[0] == prefix->fp_addr.ip6.as_u64[0]) && + (xor_sum.as_u64[1] == prefix->fp_addr.ip6.as_u64[1]); +} + +static_always_inline u32 +hicn_face_prod_next_from_data_hdr (vlib_node_runtime_t * node, + vlib_buffer_t * b, fib_prefix_t * prefix) +{ + u8 *ptr = vlib_buffer_get_current (b); + u8 v = *ptr & 0xf0; + int match_res = 1; + + if (PREDICT_TRUE (v == 0x40 && ip46_address_is_ip4 (&prefix->fp_addr))) + { + match_res = match_ip4_name ((u32 *) & (ptr[12]), prefix); + } + else if (PREDICT_TRUE (v == 0x60 && !ip46_address_is_ip4 (&prefix->fp_addr))) + { + match_res = match_ip6_name (& (ptr[8]), prefix); + } + + return match_res ? HICN_FACE_PROD_NEXT_DATA_IP4 + (v == + 0x60) : + HICN_FACE_PROD_NEXT_ERROR_DROP; +} + +static_always_inline void +hicn_face_prod_trace_buffer (vlib_main_t * vm, vlib_node_runtime_t * node, + u32 swif, vlib_buffer_t * b, u32 next) +{ + if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE) && + (b->flags & VLIB_BUFFER_IS_TRACED))) + { + hicn_face_prod_input_trace_t *t = + vlib_add_trace (vm, node, b, sizeof (*t)); + t->next_index = next; + t->sw_if_index = swif; + } +} + +static uword +hicn_face_prod_input_node_fn (vlib_main_t * vm, + vlib_node_runtime_t * node, + vlib_frame_t * frame) +{ + u32 n_left_from, *from, *to_next; + hicn_face_prod_next_t next_index; + vl_api_hicn_api_node_stats_get_reply_t stats = { 0 }; + + from = vlib_frame_vector_args (frame); + n_left_from = frame->n_vectors; + next_index = node->cached_next_index; + + while (n_left_from > 0) + { + u32 n_left_to_next; + vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next); + + while (n_left_from >= 8 && n_left_to_next >= 4) + { + vlib_buffer_t *b0, *b1, *b2, *b3; + u32 bi0, bi1, bi2, bi3; + hicn_face_prod_state_t *prod_face0 = NULL; + hicn_face_prod_state_t *prod_face1 = NULL; + hicn_face_prod_state_t *prod_face2 = NULL; + hicn_face_prod_state_t *prod_face3 = NULL; + u32 next0, next1, next2, next3; + + { + vlib_buffer_t *b4, *b5, *b6, *b7; + b4 = vlib_get_buffer (vm, from[4]); + b5 = vlib_get_buffer (vm, from[5]); + b6 = vlib_get_buffer (vm, from[6]); + b7 = vlib_get_buffer (vm, from[7]); + CLIB_PREFETCH (b4, CLIB_CACHE_LINE_BYTES, STORE); + CLIB_PREFETCH (b5, CLIB_CACHE_LINE_BYTES, STORE); + CLIB_PREFETCH (b6, CLIB_CACHE_LINE_BYTES, STORE); + CLIB_PREFETCH (b7, CLIB_CACHE_LINE_BYTES, STORE); + } + + bi0 = from[0]; + bi1 = from[1]; + bi2 = from[2]; + bi3 = from[3]; + + from += 4; + n_left_from -= 4; + to_next[0] = bi0; + to_next[1] = bi1; + to_next[2] = bi2; + to_next[3] = bi3; + + to_next += 4; + n_left_to_next -= 4; + + b0 = vlib_get_buffer (vm, bi0); + b1 = vlib_get_buffer (vm, bi1); + b2 = vlib_get_buffer (vm, bi2); + b3 = vlib_get_buffer (vm, bi3); + + prod_face0 = + &face_state_vec[vnet_buffer (b0)->sw_if_index[VLIB_RX]]; + prod_face1 = + &face_state_vec[vnet_buffer (b1)->sw_if_index[VLIB_RX]]; + prod_face2 = + &face_state_vec[vnet_buffer (b2)->sw_if_index[VLIB_RX]]; + prod_face3 = + &face_state_vec[vnet_buffer (b3)->sw_if_index[VLIB_RX]]; + + next0 = + hicn_face_prod_next_from_data_hdr (node, b0, &prod_face0->prefix); + next1 = + hicn_face_prod_next_from_data_hdr (node, b1, &prod_face1->prefix); + next2 = + hicn_face_prod_next_from_data_hdr (node, b2, &prod_face2->prefix); + next3 = + hicn_face_prod_next_from_data_hdr (node, b3, &prod_face3->prefix); + stats.pkts_data_count += 4; + + /* trace */ + hicn_face_prod_trace_buffer (vm, node, + vnet_buffer (b0)->sw_if_index[VLIB_RX], + b0, next0); + hicn_face_prod_trace_buffer (vm, node, + vnet_buffer (b1)->sw_if_index[VLIB_RX], + b1, next1); + hicn_face_prod_trace_buffer (vm, node, + vnet_buffer (b2)->sw_if_index[VLIB_RX], + b2, next2); + hicn_face_prod_trace_buffer (vm, node, + vnet_buffer (b3)->sw_if_index[VLIB_RX], + b3, next3); + + /* enqueue */ + vlib_validate_buffer_enqueue_x4 (vm, node, next_index, to_next, + n_left_to_next, bi0, bi1, bi2, bi3, + next0, next1, next2, next3); + + stats.pkts_processed += 4; + + } + + while (n_left_from > 0 && n_left_to_next > 0) + { + vlib_buffer_t *b0; + u32 bi0, swif; + hicn_face_prod_state_t *prod_face = NULL; + u32 next0; + + if (n_left_from > 1) + { + vlib_buffer_t *b1; + b1 = vlib_get_buffer (vm, from[1]); + CLIB_PREFETCH (b1, CLIB_CACHE_LINE_BYTES, STORE); + } + + bi0 = from[0]; + from += 1; + n_left_from -= 1; + to_next[0] = bi0; + to_next += 1; + n_left_to_next -= 1; + + b0 = vlib_get_buffer (vm, bi0); + swif = vnet_buffer (b0)->sw_if_index[VLIB_RX]; + prod_face = &face_state_vec[swif]; + + next0 = + hicn_face_prod_next_from_data_hdr (node, b0, &prod_face->prefix); + stats.pkts_data_count++; + + /* trace */ + hicn_face_prod_trace_buffer (vm, node, + vnet_buffer (b0)->sw_if_index[VLIB_RX], + b0, next0); + + /* enqueue */ + vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next, + n_left_to_next, bi0, next0); + + stats.pkts_processed += 1; + + } + + vlib_put_next_frame (vm, node, next_index, n_left_to_next); + } + + vlib_node_increment_counter (vm, node->node_index, + HICNFWD_ERROR_PROCESSED, stats.pkts_processed); + vlib_node_increment_counter (vm, node->node_index, HICNFWD_ERROR_DATAS, + stats.pkts_data_count); + + return (frame->n_vectors); +} + +/* *INDENT-OFF* */ +VLIB_REGISTER_NODE(hicn_face_prod_input_node) = +{ + .function = hicn_face_prod_input_node_fn, + .name = "hicn-face-prod-input", + .vector_size = sizeof(u32), + .format_trace = format_face_prod_input_trace, + .type = VLIB_NODE_TYPE_INTERNAL, + .n_errors = ARRAY_LEN(face_prod_input_error_strings), + .error_strings = face_prod_input_error_strings, + .n_next_nodes = HICN_FACE_PROD_N_NEXT, + .next_nodes = + { + [HICN_FACE_PROD_NEXT_DATA_IP4] = "hicn4-face-input", + [HICN_FACE_PROD_NEXT_DATA_IP6] = "hicn6-face-input", + [HICN_FACE_PROD_NEXT_ERROR_DROP] = "error-drop", + }, +}; +/* *INDENT-ON* */ + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: eval: (c-set-style "gnu") End: + */ |