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# 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.


########################################
# iOAM Proof of Transit
########################################

IOAM_POT_SRC =					\
	ioam/lib-pot/pot_util.c			\
	ioam/encap/ip6_ioam_pot.c		\
	ioam/lib-pot/pot_util.h			\
	ioam/lib-pot/math64.h			\
	ioam/lib-pot/pot_api.c

IOAM_POT_NOINST_HDR =				\
  ioam/lib-pot/pot_all_api_h.h			\
  ioam/lib-pot/pot_msg_enum.h			\
  ioam/lib-pot/pot.api.h			\
  ioam/lib-pot/pot_util.h			\
  ioam/lib-pot/math64.h

IOAM_POT_API = ioam/lib-pot/pot.api

########################################
# iOAM trace export for IPv6
########################################

IOAM_EXPORT_SRC =		  \
ioam/export/ioam_export.c         \
ioam/export/node.c                \
ioam/export/ioam_export.api.h     \
ioam/export/ioam_export_thread.c

IOAM_EXPORT_NOINST_HDR =                \
  ioam/export/ioam_export_all_api_h.h   \
  ioam/export/ioam_export_msg_enum.h    \
  ioam/export/ioam_export.api.h

IOAM_EXPORT_API = ioam/export/ioam_export.api

########################################
# iOAM Trace
########################################
IOAM_TRACE_SRC =				\
	ioam/lib-trace/trace_util.c		\
	ioam/encap/ip6_ioam_trace.c		\
	ioam/lib-trace/trace_api.c

IOAM_TRACE_NOINST_HDR =                 \
  ioam/lib-trace/trace_all_api_h.h	\
  ioam/lib-trace/trace_msg_enum.h	\
  ioam/lib-trace/trace.api.h		\
  ioam/lib-trace/trace_util.h		\
  ioam/encap/ip6_ioam_trace.h		\
  ioam/lib-trace/trace_config.h

IOAM_TRACE_API = ioam/lib-trace/trace.api

nobase_include_HEADERS +=                       \
       ioam/lib-trace/trace_util.h		\
       ioam/export-common/ioam_export.h

########################################
# VxLAN-GPE
########################################
IOAM_VXLAN_GPE_SRC =					\
	ioam/lib-vxlan-gpe/ioam_encap.c			\
	ioam/lib-vxlan-gpe/ioam_decap.c			\
	ioam/lib-vxlan-gpe/ioam_transit.c		\
	ioam/lib-vxlan-gpe/ioam_pop.c			\
	ioam/lib-vxlan-gpe/vxlan_gpe_api.c		\
	ioam/lib-vxlan-gpe/vxlan_gpe_ioam_trace.c	\
	ioam/lib-vxlan-gpe/vxlan_gpe_ioam.c		\
	ioam/export-vxlan-gpe/vxlan_gpe_ioam_export.c	\
	ioam/export-vxlan-gpe/vxlan_gpe_node.c		\
	ioam/export-vxlan-gpe/vxlan_gpe_ioam_export.api.h\
	ioam/export-vxlan-gpe/vxlan_gpe_ioam_export_thread.c

IOAM_VXLAN_GPE_NOINST_HDR =                       		\
  ioam/lib-vxlan-gpe/vxlan_gpe_all_api_h.h			\
  ioam/lib-vxlan-gpe/vxlan_gpe_msg_enum.h			\
  ioam/lib-vxlan-gpe/ioam_vxlan_gpe.api.h			\
  ioam/lib-vxlan-gpe/vxlan_gpe_ioam_util.h			\
  ioam/lib-vxlan-gpe/vxlan_gpe_ioam_packet.h                    \
  ioam/lib-vxlan-gpe/vxlan_gpe_ioam.h				\
  ioam/export-vxlan-gpe/vxlan_gpe_ioam_export_all_api_h.h       \
  ioam/export-vxlan-gpe/vxlan_gpe_ioam_export_msg_enum.h        \
  ioam/export-vxlan-gpe/vxlan_gpe_ioam_export.api.h

IOAM_VXLAN_GPE_API  = ioam/lib-vxlan-gpe/ioam_vxlan_gpe.api
IOAM_VXLAN_GPE_API += ioam/export-vxlan-gpe/vxlan_gpe_ioam_export.api

########################################
# iOAM E2E
########################################

IOAM_E2E_SRC =                			\
	ioam/encap/ip6_ioam_e2e.c               \
	ioam/encap/ip6_ioam_seqno.c		\
	ioam/lib-e2e/ioam_seqno_lib.c

IOAM_E2E_NOINST_HDR =                    \
	ioam/encap/ip6_ioam_e2e.h        \
	ioam/encap/ip6_ioam_seqno.h	 \
	ioam/lib-e2e/ioam_seqno_lib.h

########################################
# ipfix collector
########################################

IPFIX_COLLECTOR_SRC =				\
	ioam/ipfixcollector/ipfixcollector.c	\
	ioam/ipfixcollector/node.c		\
	ioam/ipfixcollector/ipfixcollector.h

########################################
# iOAM Analyse
########################################

IOAM_ANALYSE_SRC = 				\
	ioam/analyse/ip6/ip6_ioam_analyse.c	\
	ioam/analyse/ip6/node.c			\
	ioam/analyse/ip6/ip6_ioam_analyse.h	\
	ioam/analyse/ioam_summary_export.c	\
	ioam/analyse/ioam_analyse.h		\
	ioam/analyse/ioam_summary_export.h

########################################
# iOAM record cache and rewrite
########################################

IOAM_IP6_MANYCAST_SRC =        \
ioam/ip6/ioam_cache.c                     \
ioam/ip6/ioam_cache_node.c                \
ioam/ip6/ioam_cache_tunnel_select_node.c  \
ioam/ip6/ioam_cache.api.h

IOAM_IP6_MANYCAST_API = ioam/ip6/ioam_cache.api

IOAM_IP6_MANYCAST_NOINST_HDR =      \
  ioam/ip6/ioam_cache_all_api_h.h   \
  ioam/ip6/ioam_cache_msg_enum.h    \
  ioam/ip6/ioam_cache.api.h

# udp ping
########################################

UDP_PING_SRC = 					        \
	ioam/udp-ping/udp_ping_node.c	    \
	ioam/udp-ping/udp_ping_util.c		\
	ioam/udp-ping/udp_ping_export.c		\
	ioam/udp-ping/udp_ping_api.c

UDP_PING_NOINST_HDR = 				    \
	ioam/udp-ping/udp_ping_packet.h		\
	ioam/udp-ping/udp_ping.h		    \
	ioam/udp-ping/udp_ping_util.h		\
	ioam/udp-ping/udp_ping_all_api_h.h	\
	ioam/udp-ping/udp_ping_msg_enum.h	\
	ioam/udp-ping/udp_ping.api.h

UDP_PING_API = ioam/udp-ping/udp_ping.api
########################################
# iOAM plugins
########################################

ioam_plugin_la_SOURCES =		    \
        $(IOAM_POT_SRC)             \
        $(IOAM_EXPORT_SRC)          \
        $(IOAM_TRACE_SRC)           \
        $(IOAM_VXLAN_GPE_SRC)   	\
        $(IOAM_E2E_SRC)			    \
		$(IPFIX_COLLECTOR_SRC)		\
		$(IOAM_ANALYSE_SRC)		    \
        $(IOAM_IP6_MANYCAST_SRC)    \
		$(UDP_PING_SRC)

API_FILES +=				            \
        $(IOAM_POT_API)                 \
        $(IOAM_EXPORT_API)              \
        $(IOAM_TRACE_API)               \
        $(IOAM_VXLAN_GPE_API)		    \
        $(IOAM_IP6_MANYCAST_API)        \
		$(UDP_PING_API)

nobase_apiinclude_HEADERS +=                               \
        $(IOAM_POT_NOINST_HDR)                  \
        $(IOAM_EXPORT_NOINST_HDR)               \
        $(IOAM_TRACE_NOINST_HDR)                \
        $(IOAM_VXLAN_GPE_NOINST_HDR)            \
        $(IOAM_E2E_NOINST_HDR)			        \
        $(IOAM_IP6_MANYCAST_NOINST_HDR)         \
		$(UDP_PING_NOINST_HDR)

vppplugins_LTLIBRARIES += ioam_plugin.la

########################################
# iOAM plugins
########################################

ioam_test_plugin_la_SOURCES = \
  ioam/ioam_test.c						\
  ioam/lib-pot/pot_test.c					\
  ioam/lib-pot/pot_plugin.api.h					\
  ioam/lib-trace/trace_test.c		  \
  ioam/lib-trace/trace_plugin.api.h   \
  ioam/export/ioam_export_test.c				\
  ioam/export/ioam_export_plugin.api.h				\
  ioam/lib-vxlan-gpe/vxlan_gpe_test.c				\
  ioam/lib-vxlan-gpe/vxlan_gpe_plugin.api.h			\
  ioam/export-vxlan-gpe/vxlan_gpe_ioam_export_test.c		\
  ioam/export-vxlan-gpe/vxlan_gpe_ioam_export_plugin.api.h	\
  ioam/udp-ping/udp_ping_test.c					\
  ioam/udp-ping/udp_ping_plugin.api.h

vppapitestplugins_LTLIBRARIES += ioam_test_plugin.la

# vi:syntax=automake
span> = va_arg (*args, vlib_node_t *); udp_input_trace_t *t = va_arg (*args, udp_input_trace_t *); s = format (s, "UDP_INPUT: connection %d, disposition %d, thread %d", t->connection, t->disposition, t->thread_index); return s; } #define foreach_udp_input_next \ _ (DROP, "error-drop") typedef enum { #define _(s, n) UDP_INPUT_NEXT_##s, foreach_udp_input_next #undef _ UDP_INPUT_N_NEXT, } udp_input_next_t; always_inline void udp_input_inc_counter (vlib_main_t * vm, u8 is_ip4, u8 evt, u8 val) { if (PREDICT_TRUE (!val)) return; if (is_ip4) vlib_node_increment_counter (vm, udp4_input_node.index, evt, val); else vlib_node_increment_counter (vm, udp6_input_node.index, evt, val); } always_inline uword udp46_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame, u8 is_ip4) { u32 n_left_from, *from, *to_next; u32 next_index, errors; u32 my_thread_index = vm->thread_index; 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 > 0 && n_left_to_next > 0) { u32 bi0, fib_index0; vlib_buffer_t *b0; u32 next0 = UDP_INPUT_NEXT_DROP; u32 error0 = UDP_ERROR_ENQUEUED; udp_header_t *udp0; ip4_header_t *ip40; ip6_header_t *ip60; u8 *data0; session_t *s0; udp_connection_t *uc0, *child0, *new_uc0; transport_connection_t *tc0; int wrote0; void *rmt_addr, *lcl_addr; session_dgram_hdr_t hdr0; /* speculatively enqueue b0 to the current next frame */ bi0 = from[0]; to_next[0] = bi0; from += 1; to_next += 1; n_left_from -= 1; n_left_to_next -= 1; b0 = vlib_get_buffer (vm, bi0); /* udp_local hands us a pointer to the udp data */ data0 = vlib_buffer_get_current (b0); udp0 = (udp_header_t *) (data0 - sizeof (*udp0)); fib_index0 = vnet_buffer (b0)->ip.fib_index; if (is_ip4) { /* TODO: must fix once udp_local does ip options correctly */ ip40 = (ip4_header_t *) (((u8 *) udp0) - sizeof (*ip40)); s0 = session_lookup_safe4 (fib_index0, &ip40->dst_address, &ip40->src_address, udp0->dst_port, udp0->src_port, TRANSPORT_PROTO_UDP); lcl_addr = &ip40->dst_address; rmt_addr = &ip40->src_address; } else { ip60 = (ip6_header_t *) (((u8 *) udp0) - sizeof (*ip60)); s0 = session_lookup_safe6 (fib_index0, &ip60->dst_address, &ip60->src_address, udp0->dst_port, udp0->src_port, TRANSPORT_PROTO_UDP); lcl_addr = &ip60->dst_address; rmt_addr = &ip60->src_address; } if (PREDICT_FALSE (!s0)) { error0 = UDP_ERROR_NO_LISTENER; goto trace0; } if (s0->session_state == SESSION_STATE_OPENED) { /* TODO optimization: move cl session to right thread * However, since such a move would affect the session handle, * which we pass 'raw' to the app, we'd also have notify the * app of the change or change the way we pass handles to apps. */ tc0 = session_get_transport (s0); uc0 = udp_get_connection_from_transport (tc0); if (uc0->flags & UDP_CONN_F_CONNECTED) { /* * Clone the transport. It will be cleaned up with the * session once we notify the session layer. */ new_uc0 = udp_connection_clone_safe (s0->connection_index, s0->thread_index); ASSERT (s0->session_index == new_uc0->c_s_index); /* * Drop the 'lock' on pool resize */ session_pool_remove_peeker (s0->thread_index); session_dgram_connect_notify (&new_uc0->connection, s0->thread_index, &s0); tc0 = &new_uc0->connection; } } else if (s0->session_state == SESSION_STATE_READY) { tc0 = session_get_transport (s0); uc0 = udp_get_connection_from_transport (tc0); } else if (s0->session_state == SESSION_STATE_LISTENING) { tc0 = listen_session_get_transport (s0); uc0 = udp_get_connection_from_transport (tc0); if (uc0->flags & UDP_CONN_F_CONNECTED) { child0 = udp_connection_alloc (my_thread_index); if (is_ip4) { ip_set (&child0->c_lcl_ip, &ip40->dst_address, 1); ip_set (&child0->c_rmt_ip, &ip40->src_address, 1); } else { ip_set (&child0->c_lcl_ip, &ip60->dst_address, 0); ip_set (&child0->c_rmt_ip, &ip60->src_address, 0); } child0->c_lcl_port = udp0->dst_port; child0->c_rmt_port = udp0->src_port; child0->c_is_ip4 = is_ip4; child0->c_fib_index = tc0->fib_index; child0->flags |= UDP_CONN_F_CONNECTED; if (session_stream_accept (&child0->connection, tc0->s_index, tc0->thread_index, 1)) { error0 = UDP_ERROR_CREATE_SESSION; goto trace0; } s0 = session_get (child0->c_s_index, child0->c_thread_index); s0->session_state = SESSION_STATE_READY; tc0 = &child0->connection; uc0 = udp_get_connection_from_transport (tc0); error0 = UDP_ERROR_LISTENER; } } else { error0 = UDP_ERROR_NOT_READY; goto trace0; } if (svm_fifo_max_enqueue_prod (s0->rx_fifo) < b0->current_length + sizeof (session_dgram_hdr_t)) { error0 = UDP_ERROR_FIFO_FULL; goto trace0; } hdr0.data_length = b0->current_length; hdr0.data_offset = 0; ip_set (&hdr0.lcl_ip, lcl_addr, is_ip4); ip_set (&hdr0.rmt_ip, rmt_addr, is_ip4); hdr0.lcl_port = udp0->dst_port; hdr0.rmt_port = udp0->src_port; hdr0.is_ip4 = is_ip4; clib_spinlock_lock (&uc0->rx_lock); wrote0 = session_enqueue_dgram_connection (s0, &hdr0, b0, TRANSPORT_PROTO_UDP, 1 /* queue evt */ ); clib_spinlock_unlock (&uc0->rx_lock); ASSERT (wrote0 > 0); if (s0->session_state != SESSION_STATE_LISTENING) session_pool_remove_peeker (s0->thread_index); trace0: b0->error = node->errors[error0]; if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE) && (b0->flags & VLIB_BUFFER_IS_TRACED))) { udp_input_trace_t *t = vlib_add_trace (vm, node, b0, sizeof (*t)); t->connection = s0 ? s0->connection_index : ~0; t->disposition = error0; t->thread_index = my_thread_index; } 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); } errors = session_main_flush_all_enqueue_events (TRANSPORT_PROTO_UDP); udp_input_inc_counter (vm, is_ip4, UDP_ERROR_EVENT_FIFO_FULL, errors); return frame->n_vectors; } static uword udp4_input (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame) { return udp46_input_inline (vm, node, frame, 1); } /* *INDENT-OFF* */ VLIB_REGISTER_NODE (udp4_input_node) = { .function = udp4_input, .name = "udp4-input", .vector_size = sizeof (u32), .format_trace = format_udp_input_trace, .type = VLIB_NODE_TYPE_INTERNAL, .n_errors = ARRAY_LEN (udp_error_strings), .error_strings = udp_error_strings, .n_next_nodes = UDP_INPUT_N_NEXT, .next_nodes = { #define _(s, n) [UDP_INPUT_NEXT_##s] = n, foreach_udp_input_next #undef _ }, }; /* *INDENT-ON* */ static uword udp6_input (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame) { return udp46_input_inline (vm, node, frame, 0); } /* *INDENT-OFF* */ VLIB_REGISTER_NODE (udp6_input_node) = { .function = udp6_input, .name = "udp6-input", .vector_size = sizeof (u32), .format_trace = format_udp_input_trace, .type = VLIB_NODE_TYPE_INTERNAL, .n_errors = ARRAY_LEN (udp_error_strings), .error_strings = udp_error_strings, .n_next_nodes = UDP_INPUT_N_NEXT, .next_nodes = { #define _(s, n) [UDP_INPUT_NEXT_##s] = n, foreach_udp_input_next #undef _ }, }; /* *INDENT-ON* */ /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */