fix issue with missing sample_main in sample plugin - vpp

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author	Damjan Marion <damarion@cisco.com>	2018-07-20 16:01:02 +0200
committer	Damjan Marion <dmarion@me.com>	2018-07-20 15:32:19 +0000
commit	3e13c092a59a575ab8fee24c54762e47ae8c9850 (patch)
tree	5cd27d88b6ef4a3354578bc4fdea264a372e4e61 /src/vppinfra/test_timing_wheel.c
parent	8d753f906ecdd152af1e524919e99bd9ab45de46 (diff)

fix issue with missing sample_main in sample plugin

Change-Id: Ia17511e3997cdcf1d0991e62e8e2d3fb8812d133 Signed-off-by: Damjan Marion <damarion@cisco.com>

Diffstat (limited to 'src/vppinfra/test_timing_wheel.c')

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. */ /* * Defines used for testing various optimisation schemes */ #include "map.h" #include <vnet/ip/ip_frag.h> #include <vnet/ip/ip4_to_ip6.h> enum ip4_map_next_e { IP4_MAP_NEXT_IP6_LOOKUP, #ifdef MAP_SKIP_IP6_LOOKUP IP4_MAP_NEXT_IP6_REWRITE, #endif IP4_MAP_NEXT_ICMP_ERROR, IP4_MAP_NEXT_DROP, IP4_MAP_N_NEXT, }; static_always_inline u16 ip4_map_port_and_security_check (map_domain_t * d, vlib_buffer_t * b0, u8 * error) { u16 port; if (d->psid_length > 0) { ip4_header_t *ip = vlib_buffer_get_current (b0); if (PREDICT_FALSE ((ip->ip_version_and_header_length != 0x45) || clib_host_to_net_u16 (ip->length) < 28)) { return 0; } port = vnet_buffer (b0)->ip.reass.l4_dst_port; /* Verify that port is not among the well-known ports */ if ((d->psid_offset > 0) && (clib_net_to_host_u16 (port) < (0x1 << (16 - d->psid_offset)))) { *error = MAP_ERROR_ENCAP_SEC_CHECK; } else { return port; } } return (0); } /* * ip4_map_vtcfl */ static_always_inline u32 ip4_map_vtcfl (ip4_header_t * ip4, vlib_buffer_t * p) { map_main_t *mm = &map_main; u8 tc = mm->tc_copy ? ip4->tos : mm->tc; u32 vtcfl = 0x6 << 28; vtcfl |= tc << 20; vtcfl |= vnet_buffer (p)->ip.flow_hash & 0x000fffff; return (clib_host_to_net_u32 (vtcfl)); } static_always_inline bool ip4_map_ip6_lookup_bypass (vlib_buffer_t * p0, ip4_header_t * ip) { #ifdef MAP_SKIP_IP6_LOOKUP if (FIB_NODE_INDEX_INVALID != pre_resolved[FIB_PROTOCOL_IP6].fei) { vnet_buffer (p0)->ip.adj_index[VLIB_TX] = pre_resolved[FIB_PROTOCOL_IP6].dpo.dpoi_index; return (true); } #endif return (false); } /* * ip4_map_ttl */ static inline void ip4_map_decrement_ttl (ip4_header_t * ip, u8 * error) { i32 ttl = ip->ttl; /* Input node should have reject packets with ttl 0. */ ASSERT (ip->ttl > 0); u32 checksum = ip->checksum + clib_host_to_net_u16 (0x0100); checksum += checksum >= 0xffff; ip->checksum = checksum; ttl -= 1; ip->ttl = ttl; *error = ttl <= 0 ? IP4_ERROR_TIME_EXPIRED : *error; /* Verify checksum. */ ASSERT (ip->checksum == ip4_header_checksum (ip)); } static u32 ip4_map_fragment (vlib_main_t * vm, u32 bi, u16 mtu, bool df, u32 ** buffers, u8 * error) { map_main_t *mm = &map_main; vlib_buffer_t *b = vlib_get_buffer (vm, bi); if (mm->frag_inner) { /* IPv4 fragmented packets inside of IPv6 */ ip4_frag_do_fragment (vm, bi, mtu, sizeof (ip6_header_t), buffers); /* Fixup */ u32 *i; vec_foreach (i, *buffers) { vlib_buffer_t *p = vlib_get_buffer (vm, *i); ip6_header_t *ip6 = vlib_buffer_get_current (p); ip6->payload_length = clib_host_to_net_u16 (p->current_length - sizeof (ip6_header_t)); } } else { if (df && !mm->frag_ignore_df) { icmp4_error_set_vnet_buffer (b, ICMP4_destination_unreachable, ICMP4_destination_unreachable_fragmentation_needed_and_dont_fragment_set, mtu); vlib_buffer_advance (b, sizeof (ip6_header_t)); *error = MAP_ERROR_DF_SET; return (IP4_MAP_NEXT_ICMP_ERROR); } /* Create IPv6 fragments here */ ip6_frag_do_fragment (vm, bi, mtu, 0, buffers); } return (IP4_MAP_NEXT_IP6_LOOKUP); } /* * ip4_map */ static uword ip4_map (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame) { u32 n_left_from, *from, next_index, *to_next, n_left_to_next; vlib_node_runtime_t *error_node = vlib_node_get_runtime (vm, ip4_map_node.index); from = vlib_frame_vector_args (frame); n_left_from = frame->n_vectors; next_index = node->cached_next_index; map_main_t *mm = &map_main; vlib_combined_counter_main_t *cm = mm->domain_counters; u32 thread_index = vm->thread_index; 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) { u32 pi0; vlib_buffer_t *p0; map_domain_t *d0; u8 error0 = MAP_ERROR_NONE; ip4_header_t *ip40; u16 port0 = 0; ip6_header_t *ip6h0; u32 next0 = IP4_MAP_NEXT_IP6_LOOKUP; u32 map_domain_index0 = ~0; u32 *buffer0 = 0; bool free_original_buffer0 = false; u32 *frag_from0, frag_left0; pi0 = to_next[0] = from[0]; from += 1; n_left_from -= 1; p0 = vlib_get_buffer (vm, pi0); ip40 = vlib_buffer_get_current (p0); d0 = ip4_map_get_domain (&ip40->dst_address, &map_domain_index0, &error0); if (!d0) { /* Guess it wasn't for us */ vnet_feature_next (&next0, p0); goto exit; } /* * Shared IPv4 address */ port0 = ip4_map_port_and_security_check (d0, p0, &error0); /* * Clamp TCP MSS value. */ if (ip40->protocol == IP_PROTOCOL_TCP) { tcp_header_t *tcp = ip4_next_header (ip40); if (mm->tcp_mss > 0 && tcp_syn (tcp)) { ip_csum_t csum = tcp->checksum; map_mss_clamping (tcp, &csum, mm->tcp_mss); tcp->checksum = ip_csum_fold (csum); } } /* Decrement IPv4 TTL */ ip4_map_decrement_ttl (ip40, &error0); bool df0 = ip40->flags_and_fragment_offset & clib_host_to_net_u16 (IP4_HEADER_FLAG_DONT_FRAGMENT); /* MAP calc */ u32 da40 = clib_net_to_host_u32 (ip40->dst_address.as_u32); u16 dp40 = clib_net_to_host_u16 (port0); u64 dal60 = map_get_pfx (d0, da40, dp40); u64 dar60 = map_get_sfx (d0, da40, dp40); if (dal60 == 0 && dar60 == 0 && error0 == MAP_ERROR_NONE) error0 = MAP_ERROR_NO_BINDING; /* construct ipv6 header */ vlib_buffer_advance (p0, -(sizeof (ip6_header_t))); ip6h0 = vlib_buffer_get_current (p0); vnet_buffer (p0)->sw_if_index[VLIB_TX] = (u32) ~ 0; ip6h0->ip_version_traffic_class_and_flow_label = ip4_map_vtcfl (ip40, p0); ip6h0->payload_length = ip40->length; ip6h0->protocol = IP_PROTOCOL_IP_IN_IP; ip6h0->hop_limit = 0x40; ip6h0->src_address = d0->ip6_src; ip6h0->dst_address.as_u64[0] = clib_host_to_net_u64 (dal60); ip6h0->dst_address.as_u64[1] = clib_host_to_net_u64 (dar60); /* * Determine next node. Can be one of: * ip6-lookup, ip6-rewrite, error-drop */ if (PREDICT_TRUE (error0 == MAP_ERROR_NONE)) { if (PREDICT_FALSE (d0->mtu && (clib_net_to_host_u16 (ip6h0->payload_length) + sizeof (*ip6h0) > d0->mtu))) { next0 = ip4_map_fragment (vm, pi0, d0->mtu, df0, &buffer0, &error0); if (error0 == MAP_ERROR_NONE) { free_original_buffer0 = true; } } else { next0 = ip4_map_ip6_lookup_bypass (p0, ip40) ? IP4_MAP_NEXT_IP6_REWRITE : next0; vlib_increment_combined_counter (cm + MAP_DOMAIN_COUNTER_TX, thread_index, map_domain_index0, 1, clib_net_to_host_u16 (ip6h0->payload_length) + 40); } } else { next0 = IP4_MAP_NEXT_DROP; } if (PREDICT_FALSE (p0->flags & VLIB_BUFFER_IS_TRACED)) { map_add_trace (vm, node, p0, map_domain_index0, port0); } p0->error = error_node->errors[error0]; exit: /* Send fragments that were added in the frame */ if (free_original_buffer0) { vlib_buffer_free_one (vm, pi0); /* Free original packet */ } else { vec_add1 (buffer0, pi0); } frag_from0 = buffer0; frag_left0 = vec_len (buffer0); while (frag_left0 > 0) { while (frag_left0 > 0 && n_left_to_next > 0) { u32 i0; i0 = to_next[0] = frag_from0[0]; frag_from0 += 1; frag_left0 -= 1; to_next += 1; n_left_to_next -= 1; vlib_get_buffer (vm, i0)->error = error_node->errors[error0]; vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next, n_left_to_next, i0, next0); } vlib_put_next_frame (vm, node, next_index, n_left_to_next); vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next); } vec_reset_length (buffer0); } vlib_put_next_frame (vm, node, next_index, n_left_to_next); } return frame->n_vectors; } static char *map_error_strings[] = { #define _(sym,string) string, foreach_map_error #undef _ }; /* *INDENT-OFF* */ VNET_FEATURE_INIT (ip4_map_feature, static) = { .arc_name = "ip4-unicast", .node_name = "ip4-map", .runs_before = VNET_FEATURES ("ip4-flow-classify"), .runs_after = VNET_FEATURES("ip4-sv-reassembly-feature"), }; VLIB_REGISTER_NODE(ip4_map_node) = { .function = ip4_map, .name = "ip4-map", .vector_size = sizeof(u32), .format_trace = format_map_trace, .type = VLIB_NODE_TYPE_INTERNAL, .n_errors = MAP_N_ERROR, .error_strings = map_error_strings, .n_next_nodes = IP4_MAP_N_NEXT, .next_nodes = { [IP4_MAP_NEXT_IP6_LOOKUP] = "ip6-lookup", #ifdef MAP_SKIP_IP6_LOOKUP [IP4_MAP_NEXT_IP6_REWRITE] = "ip6-load-balance", #endif [IP4_MAP_NEXT_ICMP_ERROR] = "ip4-icmp-error", [IP4_MAP_NEXT_DROP] = "error-drop", }, }; /* *INDENT-ON* */ /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */


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