/* * 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 #include #include #include #include #include /* Statistics (not all errors) */ #define foreach_vxlan_encap_error \ _(ENCAPSULATED, "good packets encapsulated") static char * vxlan_encap_error_strings[] = { #define _(sym,string) string, foreach_vxlan_encap_error #undef _ }; typedef enum { #define _(sym,str) VXLAN_ENCAP_ERROR_##sym, foreach_vxlan_encap_error #undef _ VXLAN_ENCAP_N_ERROR, } vxlan_encap_error_t; typedef enum { VXLAN_ENCAP_NEXT_DROP, VXLAN_ENCAP_N_NEXT, } vxlan_encap_next_t; typedef struct { u32 tunnel_index; u32 vni; } vxlan_encap_trace_t; u8 * format_vxlan_encap_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 *); vxlan_encap_trace_t * t = va_arg (*args, vxlan_encap_trace_t *); s = format (s, "VXLAN encap to vxlan_tunnel%d vni %d", t->tunnel_index, t->vni); return s; } #define foreach_fixed_header4_offset \ _(0) _(1) _(2) _(3) #define foreach_fixed_header6_offset \ _(0) _(1) _(2) _(3) _(4) _(5) _(6) always_inline uword vxlan_encap_inline (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * from_frame, u32 is_ip4) { u32 n_left_from, next_index, * from, * to_next; vxlan_main_t * vxm = &vxlan_main; vnet_main_t * vnm = vxm->vnet_main; vnet_interface_main_t * im = &vnm->interface_main; u32 pkts_encapsulated = 0; u16 old_l0 = 0, old_l1 = 0; u32 thread_index = vlib_get_thread_index(); u32 stats_sw_if_index, stats_n_packets, stats_n_bytes; u32 sw_if_index0 = 0, sw_if_index1 = 0; u32 next0 = 0, next1 = 0; vnet_hw_interface_t * hi0, * hi1; vxlan_tunnel_t * t0 = NULL, * t1 = NULL; from = vlib_frame_vector_args (from_frame); n_left_from = from_frame->n_vectors; next_index = node->cached_next_index; stats_sw_if_index = node->runtime_data[0]; stats_n_packets = stats_n_bytes = 0; 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 >= 4 && n_left_to_next >= 2) { u32 bi0, bi1; vlib_buffer_t * b0, * b1; u32 flow_hash0, flow_hash1; u32 len0, len1; ip4_header_t * ip4_0, * ip4_1; ip6_header_t * ip6_0, * ip6_1; udp_header_t * udp0, * udp1; u64 * copy_src0, * copy_dst0; u64 * copy_src1, * copy_dst1; u32 * copy_src_last0, * copy_dst_last0; u32 * copy_src_last1, * copy_dst_last1; u16 new_l0, new_l1; ip_csum_t sum0, sum1; /* Prefetch next iteration. */ { vlib_buffer_t * p2, * p3; p2 = vlib_get_buffer (vm, from[2]); p3 = vlib_get_buffer (vm, from[3]); vlib_prefetch_buffer_header (p2, LOAD); vlib_prefetch_buffer_header (p3, LOAD); CLIB_PREFETCH (p2->data, 2*CLIB_CACHE_LINE_BYTES, LOAD); CLIB_PREFETCH (p3->data, 2*CLIB_CACHE_LINE_BYTES, LOAD); } bi0 = from[0]; bi1 = from[1]; to_next[0] = bi0; to_next[1] = bi1; from += 2; to_next += 2; n_left_to_next -= 2; n_left_from -= 2; b0 = vlib_get_buffer (vm, bi0); b1 = vlib_get_buffer (vm, bi1); flow_hash0 = vnet_l2_compute_flow_hash (b0); flow_hash1 = vnet_l2_compute_flow_hash (b1); /* Get next node index and adj index from tunnel next_dpo */ if (sw_if_index0 != vnet_buffer(b0)->sw_if_index[VLIB_TX]) { sw_if_index0 = vnet_buffer(b0)->sw_if_index[VLIB_TX]; hi0 = vnet_get_sup_hw_interface (vnm, sw_if_index0); t0 = &vxm->tunnels[hi0->dev_instance]; /* Note: change to always set next0 if it may be set to drop */ next0 = t0->next_dpo.dpoi_next_node; } vnet_buffer(b0)->ip.adj_index[VLIB_TX] = t0->next_dpo.dpoi_index; /* Get next node index and adj index from tunnel next_dpo */ if (sw_if_index1 != vnet_buffer(b1)->sw_if_index[VLIB_TX]) { sw_if_index1 = vnet_buffer(b1)->sw_if_index[VLIB_TX]; hi1 = vnet_get_sup_hw_interface (vnm, sw_if_index1); t1 = &vxm->tunnels[hi1->dev_instance]; /* Note: change to always set next1 if it may be set to drop */ next1 = t1->next_dpo.dpoi_next_node; } vnet_buffer(b1)->ip.adj_index[VLIB_TX] = t1->next_dpo.dpoi_index; /* Apply the rewrite string. $$$$ vnet_rewrite? */ vlib_buffer_advance (b0, -(word)_vec_len(t0->rewrite)); vlib_buffer_advance (b1, -(word)_vec_len(t1->rewrite)); if (is_ip4) { /* IP4 VXLAN header should be 36 octects */ ASSERT(sizeof(ip4_vxlan_header_t) == 36); ASSERT(vec_len(t0->rewrite) == sizeof(ip4_vxlan_header_t)); ASSERT(vec_len(t1->rewrite) == sizeof(ip4_vxlan_header_t)); ip4_0 = vlib_buffer_get_current(b0); ip4_1 = vlib_buffer_get_current(b1); /* Copy the fixed header */ copy_dst0 = (u64 *) ip4_0; copy_src0 = (u64 *) t0->rewrite; copy_dst1 = (u64 *) ip4_1; copy_s
# Copyright (c) 2017 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.

#
# VPP API C wrapper extension
#
lib_LTLIBRARIES += libvppapiclient.la
libvppapiclient_la_SOURCES = \
  vpp-api/client/client.c \
  vpp-api/client/libvppapiclient.map

libvppapiclient_la_LIBADD = \
  -lpthread -lm -lrt

libvppapiclient_la_LDFLAGS = \
  -Wl,-L$(top_builddir)/.libs,--whole-archive,-l:libsvm.a,-l:libvppinfra.a,-l:libvlibmemoryclient.a,--no-whole-archive \
  -Wl,--version-script=$(srcdir)/vpp-api/client/libvppapiclient.map,-lrt

libvppapiclient_la_DEPENDENCIES = libvppinfra.la libvlibmemoryclient.la libsvm.la

libvppapiclient_la_CPPFLAGS =

nobase_include_HEADERS += vpp-api/client/vppapiclient.h

#
# Test client
#
if ENABLE_TESTS
noinst_PROGRAMS += vac_test
vac_test_SOURCES = vpp-api/client/test.c
vac_test_LDADD = \
  $(builddir)/libvppapiclient.la \
  -lpthread -lm -lrt
endif

# vi:syntax=automake
ts */ if (stats_n_packets) { vlib_increment_combined_counter (im->combined_sw_if_counters + VNET_INTERFACE_COUNTER_TX, thread_index, stats_sw_if_index, stats_n_packets, stats_n_bytes); node->runtime_data[0] = stats_sw_if_index; } return from_frame->n_vectors; } static uword vxlan4_encap (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * from_frame) { return vxlan_encap_inline (vm, node, from_frame, /* is_ip4 */ 1); } static uword vxlan6_encap (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * from_frame) { return vxlan_encap_inline (vm, node, from_frame, /* is_ip4 */ 0); } VLIB_REGISTER_NODE (vxlan4_encap_node) = { .function = vxlan4_encap, .name = "vxlan4-encap", .vector_size = sizeof (u32), .format_trace = format_vxlan_encap_trace, .type = VLIB_NODE_TYPE_INTERNAL, .n_errors = ARRAY_LEN(vxlan_encap_error_strings), .error_strings = vxlan_encap_error_strings, .n_next_nodes = VXLAN_ENCAP_N_NEXT, .next_nodes = { [VXLAN_ENCAP_NEXT_DROP] = "error-drop", }, }; VLIB_NODE_FUNCTION_MULTIARCH (vxlan4_encap_node, vxlan4_encap) VLIB_REGISTER_NODE (vxlan6_encap_node) = { .function = vxlan6_encap, .name = "vxlan6-encap", .vector_size = sizeof (u32), .format_trace = format_vxlan_encap_trace, .type = VLIB_NODE_TYPE_INTERNAL, .n_errors = ARRAY_LEN(vxlan_encap_error_strings), .error_strings = vxlan_encap_error_strings, .n_next_nodes = VXLAN_ENCAP_N_NEXT, .next_nodes = { [VXLAN_ENCAP_NEXT_DROP] = "error-drop", }, }; VLIB_NODE_FUNCTION_MULTIARCH (vxlan6_encap_node, vxlan6_encap)