tests: add ikev2 test framework with basic test case - vpp

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author	Filip Tehlar <ftehlar@cisco.com>	2020-04-26 18:05:05 +0000
committer	Filip Tehlar <ftehlar@cisco.com>	2020-06-18 05:02:04 +0000
commit	12b517b3ffe3ca4b447263548cfa2bcac857c836 (patch)
tree	ebe985afc769d04157c5f1cf327af86d2489b3c3 /src/plugins/flowprobe/flowprobe.api
parent	99151bde6ef4a75d5eaa8211a9ab921e8f270678 (diff)

tests: add ikev2 test framework with basic test case

Ticket: VPP-1905 Type: test Change-Id: Ie66fbd8e37eb5e69bd61b701ed3449366bee8c84 Signed-off-by: Filip Tehlar <ftehlar@cisco.com>

Diffstat (limited to 'src/plugins/flowprobe/flowprobe.api')

0 files changed, 0 insertions, 0 deletions

/* * Copyright (c) 2015 Cisco and/or its affiliates. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /* * ip/icmp6.c: ip6 icmp * * Copyright (c) 2008 Eliot Dresselhaus * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include <vlib/vlib.h> #include <vnet/ip/ip.h> #include <vnet/pg/pg.h> static u8 * format_ip6_icmp_type_and_code (u8 * s, va_list * args) { icmp6_type_t type = va_arg (*args, int); u8 code = va_arg (*args, int); char *t = 0; #define _(n,f) case n: t = #f; break; switch (type) { foreach_icmp6_type; default: break; } #undef _ if (!t) return format (s, "unknown 0x%x", type); s = format (s, "%s", t); t = 0; switch ((type << 8) | code) { #define _(a,n,f) case (ICMP6_##a << 8) | (n): t = #f; break; foreach_icmp6_code; #undef _ } if (t) s = format (s, " %s", t); return s; } static u8 * format_icmp6_header (u8 * s, va_list * args) { icmp46_header_t *icmp = va_arg (*args, icmp46_header_t *); u32 max_header_bytes = va_arg (*args, u32); /* Nothing to do. */ if (max_header_bytes < sizeof (icmp[0])) return format (s, "ICMP header truncated"); s = format (s, "ICMP %U checksum 0x%x", format_ip6_icmp_type_and_code, icmp->type, icmp->code, clib_net_to_host_u16 (icmp->checksum)); if (max_header_bytes >= sizeof (icmp6_neighbor_solicitation_or_advertisement_header_t) && (icmp->type == ICMP6_neighbor_solicitation || icmp->type == ICMP6_neighbor_advertisement)) { icmp6_neighbor_solicitation_or_advertisement_header_t *icmp6_nd = (icmp6_neighbor_solicitation_or_advertisement_header_t *) icmp; s = format (s, "\n target address %U", format_ip6_address, &icmp6_nd->target_address); } return s; } u8 * format_icmp6_input_trace (u8 * s, va_list * va) { CLIB_UNUSED (vlib_main_t * vm) = va_arg (*va, vlib_main_t *); CLIB_UNUSED (vlib_node_t * node) = va_arg (*va, vlib_node_t *); icmp6_input_trace_t *t = va_arg (*va, icmp6_input_trace_t *); s = format (s, "%U", format_ip6_header, t->packet_data, sizeof (t->packet_data)); return s; } static char *icmp_error_strings[] = { #define _(f,s) s, foreach_icmp6_error #undef _ }; typedef enum { ICMP_INPUT_NEXT_DROP, ICMP_INPUT_N_NEXT, } icmp_input_next_t; typedef struct { uword *type_and_code_by_name; uword *type_by_name; /* Vector dispatch table indexed by [icmp type]. */ u8 input_next_index_by_type[256]; /* Max valid code indexed by icmp type. */ u8 max_valid_code_by_type[256]; /* hop_limit must be >= this value for this icmp type. */ u8 min_valid_hop_limit_by_type[256]; u8 min_valid_length_by_type[256]; } icmp6_main_t; icmp6_main_t icmp6_main; static uword ip6_icmp_input (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame) { icmp6_main_t *im = &icmp6_main; u32 *from, *to_next; u32 n_left_from, n_left_to_next, next_index; from = vlib_frame_vector_args (frame); n_left_from = frame->n_vectors; next_index = node->cached_next_index; if (node->flags & VLIB_NODE_FLAG_TRACE) vlib_trace_frame_buffers_only (vm, node, from, frame->n_vectors, /* stride */ 1, sizeof (icmp6_input_trace_t)); while (n_left_from > 0) { vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next); while (n_left_from > 0 && n_left_to_next > 0) { vlib_buffer_t *b0; ip6_header_t *ip0; icmp46_header_t *icmp0; icmp6_type_t type0; u32 bi0, next0, error0, len0; bi0 = to_next[0] = from[0]; from += 1; n_left_from -= 1; to_next += 1; n_left_to_next -= 1; b0 = vlib_get_buffer (vm, bi0); ip0 = vlib_buffer_get_current (b0); icmp0 = ip6_next_header (ip0); type0 = icmp0->type; error0 = ICMP6_ERROR_NONE; next0 = im->input_next_index_by_type[type0]; error0 = next0 == ICMP_INPUT_NEXT_DROP ? ICMP6_ERROR_UNKNOWN_TYPE : error0; /* Check code is valid for type. */ error0 = icmp0->code > im->max_valid_code_by_type[type0] ? ICMP6_ERROR_INVALID_CODE_FOR_TYPE : error0; /* Checksum is already validated by ip6_local node so we don't need to check that. */ /* Check that hop limit == 255 for certain types. */ error0 = ip0->hop_limit < im->min_valid_hop_limit_by_type[type0] ? ICMP6_ERROR_INVALID_HOP_LIMIT_FOR_TYPE : error0; len0 = clib_net_to_host_u16 (ip0->payload_length); error0 = len0 < im->min_valid_length_by_type[type0] ? ICMP6_ERROR_LENGTH_TOO_SMALL_FOR_TYPE : error0; b0->error = node->errors[error0]; next0 = error0 != ICMP6_ERROR_NONE ? ICMP_INPUT_NEXT_DROP : next0; vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next, n_left_to_next, bi0, next0); } vlib_put_next_frame (vm, node, next_index, n_left_to_next); } return frame->n_vectors; } /* *INDENT-OFF* */ VLIB_REGISTER_NODE (ip6_icmp_input_node) = { .function = ip6_icmp_input, .name = "ip6-icmp-input", .vector_size = sizeof (u32), .format_trace = format_icmp6_input_trace, .n_errors = ARRAY_LEN (icmp_error_strings), .error_strings = icmp_error_strings, .n_next_nodes = 1, .next_nodes = { [ICMP_INPUT_NEXT_DROP] = "ip6-drop", }, }; /* *INDENT-ON* */ typedef enum { ICMP6_ECHO_REQUEST_NEXT_LOOKUP, ICMP6_ECHO_REQUEST_NEXT_OUTPUT, ICMP6_ECHO_REQUEST_N_NEXT, } icmp6_echo_request_next_t; static uword ip6_icmp_echo_request (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame) { u32 *from, *to_next; u32 n_left_from, n_left_to_next, next_index; ip6_main_t *im = &ip6_main; from = vlib_frame_vector_args (frame); n_left_from = frame->n_vectors; next_index = node->cached_next_index; if (node->flags & VLIB_NODE_FLAG_TRACE) vlib_trace_frame_buffers_only (vm, node, from, frame->n_vectors, /* stride */ 1, sizeof (icmp6_input_trace_t)); while (n_left_from > 0) { vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next); while (n_left_from > 2 && n_left_to_next > 2) { vlib_buffer_t *p0, *p1; ip6_header_t *ip0, *ip1; icmp46_header_t *icmp0, *icmp1; ip6_address_t tmp0, tmp1; ip_csum_t sum0, sum1; u32 bi0, bi1; u32 fib_index0, fib_index1; u32 next0 = ICMP6_ECHO_REQUEST_NEXT_LOOKUP; u32 next1 = ICMP6_ECHO_REQUEST_NEXT_LOOKUP; bi0 = to_next[0] = from[0]; bi1 = to_next[1] = from[1]; from += 2; n_left_from -= 2; to_next += 2; n_left_to_next -= 2; p0 = vlib_get_buffer (vm, bi0); p1 = vlib_get_buffer (vm, bi1); ip0 = vlib_buffer_get_current (p0); ip1 = vlib_buffer_get_current (p1); icmp0 = ip6_next_header (ip0); icmp1 = ip6_next_header (ip1); /* Check icmp type to echo reply and update icmp checksum. */ sum0 = icmp0->checksum; sum1 = icmp1->checksum; ASSERT (icmp0->type == ICMP6_echo_request); ASSERT (icmp1->type == ICMP6_echo_request); sum0 = ip_csum_update (sum0, ICMP6_echo_request, ICMP6_echo_reply, icmp46_header_t, type); sum1 = ip_csum_update (sum1, ICMP6_echo_request, ICMP6_echo_reply, icmp46_header_t, type); icmp0->checksum = ip_csum_fold (sum0); icmp1->checksum = ip_csum_fold (sum1); icmp0->type = ICMP6_echo_reply; icmp1->type = ICMP6_echo_reply; /* Swap source and destination address. */ tmp0 = ip0->src_address; tmp1 = ip1->src_address; ip0->src_address = ip0->dst_address; ip1->src_address = ip1->dst_address; ip0->dst_address = tmp0; ip1->dst_address = tmp1; /* New hop count. */ ip0->hop_limit = im->host_config.ttl; ip1->hop_limit = im->host_config.ttl; /* Determine the correct lookup fib indices... */ fib_index0 = vec_elt (im->fib_index_by_sw_if_index, vnet_buffer (p0)->sw_if_index[VLIB_RX]); vnet_buffer (p0)->sw_if_index[VLIB_TX] = fib_index0; /* Determine the correct lookup fib indices... */ fib_index1 = vec_elt (im->fib_index_by_sw_if_index, vnet_buffer (p1)->sw_if_index[VLIB_RX]); vnet_buffer (p1)->sw_if_index[VLIB_TX] = fib_index1; /* verify speculative enqueues, maybe switch current next frame */ /* if next0==next1==next_index then nothing special needs to be done */ vlib_validate_buffer_enqueue_x2 (vm, node, next_index, to_next, n_left_to_next, bi0, bi1, next0, next1); } while (n_left_from > 0 && n_left_to_next > 0) { vlib_buffer_t *p0; ip6_header_t *ip0; icmp46_header_t *icmp0; u32 bi0; ip6_address_t tmp0; ip_csum_t sum0; u32 fib_index0; u32 next0 = ICMP6_ECHO_REQUEST_NEXT_LOOKUP; bi0 = to_next[0] = from[0]; from += 1; n_left_from -= 1; to_next += 1; n_left_to_next -= 1; p0 = vlib_get_buffer (vm, bi0); ip0 = vlib_buffer_get_current (p0); icmp0 = ip6_next_header (ip0); /* Check icmp type to echo reply and update icmp checksum. */ sum0 = icmp0->checksum; ASSERT (icmp0->type == ICMP6_echo_request); sum0 = ip_csum_update (sum0, ICMP6_echo_request, ICMP6_echo_reply, icmp46_header_t, type); icmp0->checksum = ip_csum_fold (sum0); icmp0->type = ICMP6_echo_reply; /* Swap source and destination address. */ tmp0 = ip0->src_address; ip0->src_address = ip0->dst_address; ip0->dst_address = tmp0; ip0->hop_limit = im->host_config.ttl; /* if the packet is link local, we'll bounce through the link-local * table with the RX interface correctly set */ fib_index0 = vec_elt (im->fib_index_by_sw_if_index, vnet_buffer (p0)->sw_if_index[VLIB_RX]); vnet_buffer (p0)->sw_if_index[VLIB_TX] = fib_index0; /* Verify speculative enqueue, maybe switch current next frame */ vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next, n_left_to_next, bi0, next0); } vlib_put_next_frame (vm, node, next_index, n_left_to_next); } vlib_error_count (vm, ip6_icmp_input_node.index, ICMP6_ERROR_ECHO_REPLIES_SENT, frame->n_vectors); return frame->n_vectors; } /* *INDENT-OFF* */ VLIB_REGISTER_NODE (ip6_icmp_echo_request_node,static) = { .function = ip6_icmp_echo_request, .name = "ip6-icmp-echo-request", .vector_size = sizeof (u32), .format_trace = format_icmp6_input_trace, .n_next_nodes = ICMP6_ECHO_REQUEST_N_NEXT, .next_nodes = { [ICMP6_ECHO_REQUEST_NEXT_LOOKUP] = "ip6-lookup", [ICMP6_ECHO_REQUEST_NEXT_OUTPUT] = "interface-output", }, }; /* *INDENT-ON* */ typedef enum { IP6_ICMP_ERROR_NEXT_DROP, IP6_ICMP_ERROR_NEXT_LOOKUP, IP6_ICMP_ERROR_N_NEXT, } ip6_icmp_error_next_t; void icmp6_error_set_vnet_buffer (vlib_buffer_t * b, u8 type, u8 code, u32 data) { vnet_buffer (b)->ip.icmp.type = type; vnet_buffer (b)->ip.icmp.code = code; vnet_buffer (b)->ip.icmp.data = data; } static u8 icmp6_icmp_type_to_error (u8 type) { switch (type) { case ICMP6_destination_unreachable: return ICMP6_ERROR_DEST_UNREACH_SENT; case ICMP6_packet_too_big: return ICMP6_ERROR_PACKET_TOO_BIG_SENT; case ICMP6_time_exceeded: return ICMP6_ERROR_TTL_EXPIRE_SENT; case ICMP6_parameter_problem: return ICMP6_ERROR_PARAM_PROBLEM_SENT; default: return ICMP6_ERROR_DROP; } } static uword ip6_icmp_error (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame) { u32 *from, *to_next; uword n_left_from, n_left_to_next; ip6_icmp_error_next_t next_index; ip6_main_t *im = &ip6_main; ip_lookup_main_t *lm = &im->lookup_main; from = vlib_frame_vector_args (frame); n_left_from = frame->n_vectors; next_index = node->cached_next_index; if (node->flags & VLIB_NODE_FLAG_TRACE) vlib_trace_frame_buffers_only (vm, node, from, frame->n_vectors, /* stride */ 1, sizeof (icmp6_input_trace_t)); while (n_left_from > 0) { vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next); while (n_left_from > 0 && n_left_to_next > 0) { /* * Duplicate first buffer and free the original chain. Keep * as much of the original packet as possible, within the * minimum MTU. We chat "a little" here by keeping whatever * is available in the first buffer. */ u32 pi0 = ~0; u32 org_pi0 = from[0]; u32 next0 = IP6_ICMP_ERROR_NEXT_LOOKUP; u8 error0 = ICMP6_ERROR_NONE; vlib_buffer_t *p0, *org_p0; ip6_header_t *ip0, *out_ip0; icmp46_header_t *icmp0; u32 sw_if_index0, if_add_index0; int bogus_length; org_p0 = vlib_get_buffer (vm, org_pi0); p0 = vlib_buffer_copy_no_chain (vm, org_p0, &pi0); if (!p0 || pi0 == ~0) /* Out of buffers */ continue; /* Speculatively enqueue p0 to the current next frame */ to_next[0] = pi0; from += 1; to_next += 1; n_left_from -= 1; n_left_to_next -= 1; ip0 = vlib_buffer_get_current (p0); sw_if_index0 = vnet_buffer (p0)->sw_if_index[VLIB_RX]; /* Add IP header and ICMPv6 header including a 4 byte data field */ vlib_buffer_advance (p0, -(sizeof (ip6_header_t) + sizeof (icmp46_header_t) + 4)); vnet_buffer (p0)->sw_if_index[VLIB_TX] = ~0; p0->flags |= VNET_BUFFER_F_LOCALLY_ORIGINATED; p0->current_length = p0->current_length > 1280 ? 1280 : p0->current_length; out_ip0 = vlib_buffer_get_current (p0); icmp0 = (icmp46_header_t *) & out_ip0[1]; /* Fill ip header fields */ out_ip0->ip_version_traffic_class_and_flow_label = clib_host_to_net_u32 (0x6 << 28); out_ip0->payload_length = clib_host_to_net_u16 (p0->current_length - sizeof (ip6_header_t)); out_ip0->protocol = IP_PROTOCOL_ICMP6; out_ip0->hop_limit = 0xff; out_ip0->dst_address = ip0->src_address; if_add_index0 = lm->if_address_pool_index_by_sw_if_index[sw_if_index0]; if (PREDICT_TRUE (if_add_index0 != ~0)) { ip_interface_address_t *if_add = pool_elt_at_index (lm->if_address_pool, if_add_index0); ip6_address_t *if_ip = ip_interface_address_get_address (lm, if_add); out_ip0->src_address = *if_ip; } else /* interface has no IP6 address - should not happen */ { next0 = IP6_ICMP_ERROR_NEXT_DROP; error0 = ICMP6_ERROR_DROP; } /* Fill icmp header fields */ icmp0->type = vnet_buffer (p0)->ip.icmp.type; icmp0->code = vnet_buffer (p0)->ip.icmp.code; *((u32 *) (icmp0 + 1)) = clib_host_to_net_u32 (vnet_buffer (p0)->ip.icmp.data); icmp0->checksum = 0; icmp0->checksum = ip6_tcp_udp_icmp_compute_checksum (vm, p0, out_ip0, &bogus_length); /* Update error status */ if (error0 == ICMP6_ERROR_NONE) error0 = icmp6_icmp_type_to_error (icmp0->type); vlib_error_count (vm, node->node_index, error0, 1); /* Verify speculative enqueue, maybe switch current next frame */ vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next, n_left_to_next, pi0, next0); } vlib_put_next_frame (vm, node, next_index, n_left_to_next); } /* * push the original buffers to error-drop, so that * they can get the error counters handled, then freed */ vlib_buffer_enqueue_to_single_next (vm, node, vlib_frame_vector_args (frame), IP6_ICMP_ERROR_NEXT_DROP, frame->n_vectors); return frame->n_vectors; } /* *INDENT-OFF* */ VLIB_REGISTER_NODE (ip6_icmp_error_node) = { .function = ip6_icmp_error, .name = "ip6-icmp-error", .vector_size = sizeof (u32), .n_errors = ARRAY_LEN (icmp_error_strings), .error_strings = icmp_error_strings, .n_next_nodes = IP6_ICMP_ERROR_N_NEXT, .next_nodes = { [IP6_ICMP_ERROR_NEXT_DROP] = "error-drop", [IP6_ICMP_ERROR_NEXT_LOOKUP] = "ip6-lookup", }, .format_trace = format_icmp6_input_trace, }; /* *INDENT-ON* */ static uword unformat_icmp_type_and_code (unformat_input_t * input, va_list * args) { icmp46_header_t *h = va_arg (*args, icmp46_header_t *); icmp6_main_t *cm = &icmp6_main; u32 i; if (unformat_user (input, unformat_vlib_number_by_name, cm->type_and_code_by_name, &i)) { h->type = (i >> 8) & 0xff; h->code = (i >> 0) & 0xff; } else if (unformat_user (input, unformat_vlib_number_by_name, cm->type_by_name, &i)) { h->type = i; h->code = 0; } else return 0; return 1; } static void icmp6_pg_edit_function (pg_main_t * pg, pg_stream_t * s, pg_edit_group_t * g, u32 * packets, u32 n_packets) { vlib_main_t *vm = vlib_get_main (); u32 ip_offset, icmp_offset; int bogus_length; icmp_offset = g->start_byte_offset; ip_offset = (g - 1)->start_byte_offset; while (n_packets >= 1) { vlib_buffer_t *p0; ip6_header_t *ip0; icmp46_header_t *icmp0; p0 = vlib_get_buffer (vm, packets[0]); n_packets -= 1; packets += 1; ASSERT (p0->current_data == 0); ip0 = (void *) (p0->data + ip_offset); icmp0 = (void *) (p0->data + icmp_offset); icmp0->checksum = ip6_tcp_udp_icmp_compute_checksum (vm, p0, ip0, &bogus_length); ASSERT (bogus_length == 0); } } typedef struct { pg_edit_t type, code; pg_edit_t checksum; } pg_icmp46_header_t; always_inline void pg_icmp_header_init (pg_icmp46_header_t * p) { /* Initialize fields that are not bit fields in the IP header. */ #define _(f) pg_edit_init (&p->f, icmp46_header_t, f); _(type); _(code); _(checksum); #undef _ } static uword unformat_pg_icmp_header (unformat_input_t * input, va_list * args) { pg_stream_t *s = va_arg (*args, pg_stream_t *); pg_icmp46_header_t *p; u32 group_index; p = pg_create_edit_group (s, sizeof (p[0]), sizeof (icmp46_header_t), &group_index); pg_icmp_header_init (p); p->checksum.type = PG_EDIT_UNSPECIFIED; { icmp46_header_t tmp; if (!unformat (input, "ICMP %U", unformat_icmp_type_and_code, &tmp)) goto error; pg_edit_set_fixed (&p->type, tmp.type); pg_edit_set_fixed (&p->code, tmp.code); } /* Parse options. */ while (1) { if (unformat (input, "checksum %U", unformat_pg_edit, unformat_pg_number, &p->checksum)) ; /* Can't parse input: try next protocol level. */ else break; } if (!unformat_user (input, unformat_pg_payload, s)) goto error; if (p->checksum.type == PG_EDIT_UNSPECIFIED) { pg_edit_group_t *g = pg_stream_get_group (s, group_index); g->edit_function = icmp6_pg_edit_function; g->edit_function_opaque = 0; } return 1; error: /* Free up any edits we may have added. */ pg_free_edit_group (s); return 0; } void icmp6_register_type (vlib_main_t * vm, icmp6_type_t type, u32 node_index) { icmp6_main_t *im = &icmp6_main; ASSERT ((int) type < ARRAY_LEN (im->input_next_index_by_type)); im->input_next_index_by_type[type] = vlib_node_add_next (vm, ip6_icmp_input_node.index, node_index); } static clib_error_t * icmp6_init (vlib_main_t * vm) { ip_main_t *im = &ip_main; ip_protocol_info_t *pi; icmp6_main_t *cm = &icmp6_main; clib_error_t *error; error = vlib_call_init_function (vm, ip_main_init); if (error) return error; pi = ip_get_protocol_info (im, IP_PROTOCOL_ICMP6); pi->format_header = format_icmp6_header; pi->unformat_pg_edit = unformat_pg_icmp_header; cm->type_by_name = hash_create_string (0, sizeof (uword)); #define _(n,t) hash_set_mem (cm->type_by_name, #t, (n)); foreach_icmp6_type; #undef _ cm->type_and_code_by_name = hash_create_string (0, sizeof (uword)); #define _(a,n,t) hash_set_mem (cm->type_by_name, #t, (n) | (ICMP6_##a << 8)); foreach_icmp6_code; #undef _ clib_memset (cm->input_next_index_by_type, ICMP_INPUT_NEXT_DROP, sizeof (cm->input_next_index_by_type)); clib_memset (cm->max_valid_code_by_type, 0, sizeof (cm->max_valid_code_by_type)); #define _(a,n,t) cm->max_valid_code_by_type[ICMP6_##a] = clib_max (cm->max_valid_code_by_type[ICMP6_##a], n); foreach_icmp6_code; #undef _ clib_memset (cm->min_valid_hop_limit_by_type, 0, sizeof (cm->min_valid_hop_limit_by_type)); cm->min_valid_hop_limit_by_type[ICMP6_router_solicitation] = 255; cm->min_valid_hop_limit_by_type[ICMP6_router_advertisement] = 255; cm->min_valid_hop_limit_by_type[ICMP6_neighbor_solicitation] = 255; cm->min_valid_hop_limit_by_type[ICMP6_neighbor_advertisement] = 255; cm->min_valid_hop_limit_by_type[ICMP6_redirect] = 255; clib_memset (cm->min_valid_length_by_type, sizeof (icmp46_header_t), sizeof (cm->min_valid_length_by_type)); cm->min_valid_length_by_type[ICMP6_router_solicitation] = sizeof (icmp6_neighbor_discovery_header_t); cm->min_valid_length_by_type[ICMP6_router_advertisement] = sizeof (icmp6_router_advertisement_header_t); cm->min_valid_length_by_type[ICMP6_neighbor_solicitation] = sizeof (icmp6_neighbor_solicitation_or_advertisement_header_t); cm->min_valid_length_by_type[ICMP6_neighbor_advertisement] = sizeof (icmp6_neighbor_solicitation_or_advertisement_header_t); cm->min_valid_length_by_type[ICMP6_redirect] = sizeof (icmp6_redirect_header_t); icmp6_register_type (vm, ICMP6_echo_request, ip6_icmp_echo_request_node.index); return vlib_call_init_function (vm, ip6_neighbor_init); } VLIB_INIT_FUNCTION (icmp6_init); /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */


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