diff options
Diffstat (limited to 'plugins/ioam-plugin/ioam/lib-vxlan-gpe/ioam_transit.c')
| -rw-r--r-- | plugins/ioam-plugin/ioam/lib-vxlan-gpe/ioam_transit.c | 188 |
1 files changed, 0 insertions, 188 deletions
diff --git a/plugins/ioam-plugin/ioam/lib-vxlan-gpe/ioam_transit.c b/plugins/ioam-plugin/ioam/lib-vxlan-gpe/ioam_transit.c deleted file mode 100644 index b42c357c79b..00000000000 --- a/plugins/ioam-plugin/ioam/lib-vxlan-gpe/ioam_transit.c +++ /dev/null @@ -1,188 +0,0 @@ - /* - * 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. - */ -#include <vppinfra/error.h> -#include <vppinfra/hash.h> -#include <vnet/vnet.h> -#include <vnet/ip/ip.h> -#include <vnet/ip/udp.h> -#include <vnet/ethernet/ethernet.h> -#include <vnet/vxlan-gpe/vxlan_gpe.h> -#include <ioam/lib-vxlan-gpe/vxlan_gpe_ioam_packet.h> -#include <ioam/lib-vxlan-gpe/vxlan_gpe_ioam.h> -#include <ioam/lib-vxlan-gpe/vxlan_gpe_ioam_util.h> -#include <vnet/fib/ip6_fib.h> -#include <vnet/fib/ip4_fib.h> -#include <vnet/fib/fib_entry.h> - -/* Statistics (not really errors) */ -#define foreach_vxlan_gpe_transit_ioam_error \ -_(ENCAPSULATED, "good packets encapsulated") - -static char *vxlan_gpe_transit_ioam_error_strings[] = { -#define _(sym,string) string, - foreach_vxlan_gpe_transit_ioam_error -#undef _ -}; - -typedef enum -{ -#define _(sym,str) VXLAN_GPE_TRANSIT_IOAM_ERROR_##sym, - foreach_vxlan_gpe_transit_ioam_error -#undef _ - VXLAN_GPE_TRANSIT_IOAM_N_ERROR, -} vxlan_gpe_transit_ioam_error_t; - -typedef enum -{ - VXLAN_GPE_TRANSIT_IOAM_NEXT_OUTPUT, - VXLAN_GPE_TRANSIT_IOAM_NEXT_DROP, - VXLAN_GPE_TRANSIT_IOAM_N_NEXT -} vxlan_gpe_transit_ioam_next_t; - - -/* *INDENT-OFF* */ -VNET_FEATURE_INIT (vxlan_gpe_transit_ioam, static) = -{ - .arc_name = "ip4-output", - .node_name = "vxlan-gpe-transit-ioam", - .runs_before = VNET_FEATURES ("interface-output"), -}; -/* *INDENT-ON* */ - -static uword -vxlan_gpe_transit_ioam (vlib_main_t * vm, - vlib_node_runtime_t * node, vlib_frame_t * from_frame) -{ - u32 n_left_from, next_index, *from, *to_next; - - from = vlib_frame_vector_args (from_frame); - n_left_from = 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 > 0 && n_left_to_next > 0) - { - u32 bi0; - vlib_buffer_t *b0; - u32 next0 = VXLAN_GPE_TRANSIT_IOAM_NEXT_OUTPUT; - - bi0 = from[0]; - to_next[0] = bi0; - from += 1; - to_next += 1; - n_left_from -= 1; - n_left_to_next -= 1; - ip4_header_t *ip0; - u32 iph_offset = 0; - - b0 = vlib_get_buffer (vm, bi0); - iph_offset = vnet_buffer (b0)->ip.save_rewrite_length; - ip0 = (ip4_header_t *) ((u8 *) vlib_buffer_get_current (b0) - + iph_offset); - - /* just forward non ipv4 packets */ - if (PREDICT_FALSE - ((ip0->ip_version_and_header_length & 0xF0) == 0x40)) - { - /* ipv4 packets */ - udp_header_t *udp_hdr0 = (udp_header_t *) (ip0 + 1); - if (PREDICT_FALSE - ((ip0->protocol == IP_PROTOCOL_UDP) && - (clib_net_to_host_u16 (udp_hdr0->dst_port) == - UDP_DST_PORT_vxlan_gpe))) - { - - /* Check the iOAM header */ - vxlan_gpe_header_t *gpe_hdr0 = - (vxlan_gpe_header_t *) (udp_hdr0 + 1); - - if (PREDICT_FALSE - (gpe_hdr0->protocol == VXLAN_GPE_PROTOCOL_IOAM)) - { - uword *t = NULL; - vxlan_gpe_ioam_main_t *hm = &vxlan_gpe_ioam_main; - fib_prefix_t key4; - memset (&key4, 0, sizeof (key4)); - key4.fp_proto = FIB_PROTOCOL_IP4; - key4.fp_addr.ip4.as_u32 = ip0->dst_address.as_u32; - t = hash_get_mem (hm->dst_by_ip4, &key4); - if (t) - { - - - vlib_buffer_advance (b0, - (word) (sizeof - (ethernet_header_t))); - vxlan_gpe_encap_decap_ioam_v4_one_inline (vm, node, - b0, - &next0, - VXLAN_GPE_TRANSIT_IOAM_NEXT_DROP, - 1 - /* use_adj */ - ); - vlib_buffer_advance (b0, - -(word) (sizeof - (ethernet_header_t))); - } - } - } - } - - 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 from_frame->n_vectors; -} - -/* *INDENT-OFF* */ -VLIB_REGISTER_NODE (vxlan_gpe_transit_ioam_node) = { - .function = vxlan_gpe_transit_ioam, - .name = "vxlan-gpe-transit-ioam", - .vector_size = sizeof (u32), - .format_trace = format_vxlan_gpe_ioam_v4_trace, - .type = VLIB_NODE_TYPE_INTERNAL, - - .n_errors = ARRAY_LEN(vxlan_gpe_transit_ioam_error_strings), - .error_strings = vxlan_gpe_transit_ioam_error_strings, - - .n_next_nodes = VXLAN_GPE_TRANSIT_IOAM_N_NEXT, - - .next_nodes = { - [VXLAN_GPE_TRANSIT_IOAM_NEXT_OUTPUT] = "interface-output", - [VXLAN_GPE_TRANSIT_IOAM_NEXT_DROP] = "error-drop", - }, - -}; -/* *INDENT-ON* */ - - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ |