csit - Integration tests

Age	Commit message (Expand)	Author	Files	Lines
2019-03-14	Adding pip and apt packages - ubuntu16.04	Jan Gelety	1	-1/+1
2019-01-07	Adding pip requirements	Jan Gelety	1	-1/+1
2018-11-23	Adding python-cffi requirements	Peter Mikus	1	-1/+1
2018-03-07	CSIT-988: Fix functional bootstrap	Peter Mikus	1	-1/+1
2017-10-23	Update disk-image-builder scripts to allow IPv6	selias	1	-1/+1
2017-03-01	Use common files to store distro related data for VIRL	Jan Gelety	1	-0/+1

/* * 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 <vlib/vlib.h> #include <vnet/vnet.h> #include <vnet/pg/pg.h> #include <vnet/ethernet/ethernet.h> #include <vppinfra/error.h> #include <sample/sample.h> typedef struct { u32 next_index; u32 sw_if_index; u8 new_src_mac[6]; u8 new_dst_mac[6]; } sample_trace_t; /* packet trace format function */ static u8 * format_sample_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 *); sample_trace_t *t = va_arg (*args, sample_trace_t *); s = format (s, "SAMPLE: sw_if_index %d, next index %d\n", t->sw_if_index, t->next_index); s = format (s, " new src %U -> new dst %U", format_mac_address, t->new_src_mac, format_mac_address, t->new_dst_mac); return s; } extern vlib_node_registration_t sample_node; #define foreach_sample_error \ _(SWAPPED, "Mac swap packets processed") typedef enum { #define _(sym,str) SAMPLE_ERROR_##sym, foreach_sample_error #undef _ SAMPLE_N_ERROR, } sample_error_t; static char *sample_error_strings[] = { #define _(sym,string) string, foreach_sample_error #undef _ }; typedef enum { SAMPLE_NEXT_INTERFACE_OUTPUT, SAMPLE_N_NEXT, } sample_next_t; /* * Simple dual/single loop version, default version which will compile * everywhere. * * Node costs 30 clocks/pkt at a vector size of 51 */ #define VERSION_1 1 #ifdef VERSION_1 #define foreach_mac_address_offset \ _(0) \ _(1) \ _(2) \ _(3) \ _(4) \ _(5) VLIB_NODE_FN (sample_node) (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame) { u32 n_left_from, *from, *to_next; sample_next_t next_index; u32 pkts_swapped = 0; 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 >= 4 && n_left_to_next >= 2) { u32 next0 = SAMPLE_NEXT_INTERFACE_OUTPUT; u32 next1 = SAMPLE_NEXT_INTERFACE_OUTPUT; u32 sw_if_index0, sw_if_index1; u8 tmp0[6], tmp1[6]; ethernet_header_t *en0, *en1; u32 bi0, bi1; vlib_buffer_t *b0, *b1; /* 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, CLIB_CACHE_LINE_BYTES, STORE); CLIB_PREFETCH (p3->data, CLIB_CACHE_LINE_BYTES, STORE); } /* speculatively enqueue b0 and b1 to the current next frame */ to_next[0] = bi0 = from[0]; to_next[1] = bi1 = from[1]; from += 2; to_next += 2; n_left_from -= 2; n_left_to_next -= 2; b0 = vlib_get_buffer (vm, bi0); b1 = vlib_get_buffer (vm, bi1); ASSERT (b0->current_data == 0); ASSERT (b1->current_data == 0); en0 = vlib_buffer_get_current (b0); en1 = vlib_buffer_get_current (b1); /* This is not the fastest way to swap src + dst mac addresses */ #define _(a) tmp0[a] = en0->src_address[a]; foreach_mac_address_offset; #undef _ #define _(a) en0->src_address[a] = en0->dst_address[a]; foreach_mac_address_offset; #undef _ #define _(a) en0->dst_address[a] = tmp0[a]; foreach_mac_address_offset; #undef _ #define _(a) tmp1[a] = en1->src_address[a]; foreach_mac_address_offset; #undef _ #define _(a) en1->src_address[a] = en1->dst_address[a]; foreach_mac_address_offset; #undef _ #define _(a) en1->dst_address[a] = tmp1[a]; foreach_mac_address_offset; #undef _ sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX]; sw_if_index1 = vnet_buffer (b1)->sw_if_index[VLIB_RX]; /* Send pkt back out the RX interface */ vnet_buffer (b0)->sw_if_index[VLIB_TX] = sw_if_index0; vnet_buffer (b1)->sw_if_index[VLIB_TX] = sw_if_index1; pkts_swapped += 2; if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE))) { if (b0->flags & VLIB_BUFFER_IS_TRACED) { sample_trace_t *t = vlib_add_trace (vm, node, b0, sizeof (*t)); t->sw_if_index = sw_if_index0; t->next_index = next0; clib_memcpy_fast (t->new_src_mac, en0->src_address, sizeof (t->new_src_mac)); clib_memcpy_fast (t->new_dst_mac, en0->dst_address, sizeof (t->new_dst_mac)); } if (b1->flags & VLIB_BUFFER_IS_TRACED) { sample_trace_t *t = vlib_add_trace (vm, node, b1, sizeof (*t)); t->sw_if_index = sw_if_index1; t->next_index = next1; clib_memcpy_fast (t->new_src_mac, en1->src_address, sizeof (t->new_src_mac)); clib_memcpy_fast (t->new_dst_mac, en1->dst_address, sizeof (t->new_dst_mac)); } } /* verify speculative enqueues, maybe switch current next frame */ 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) { u32 bi0; vlib_buffer_t *b0; u32 next0 = SAMPLE_NEXT_INTERFACE_OUTPUT; u32 sw_if_index0; u8 tmp0[6]; ethernet_header_t *en0; /* 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); /* * Direct from the driver, we should be at offset 0 * aka at &b0->data[0] */ ASSERT (b0->current_data == 0); en0 = vlib_buffer_get_current (b0); /* This is not the fastest way to swap src + dst mac addresses */ #define _(a) tmp0[a] = en0->src_address[a]; foreach_mac_address_offset; #undef _ #define _(a) en0->src_address[a] = en0->dst_address[a]; foreach_mac_address_offset; #undef _ #define _(a) en0->dst_address[a] = tmp0[a]; foreach_mac_address_offset; #undef _ sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX]; /* Send pkt back out the RX interface */ vnet_buffer (b0)->sw_if_index[VLIB_TX] = sw_if_index0; if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE) && (b0->flags & VLIB_BUFFER_IS_TRACED))) { sample_trace_t *t = vlib_add_trace (vm, node, b0, sizeof (*t)); t->sw_if_index = sw_if_index0; t->next_index = next0; clib_memcpy_fast (t->new_src_mac, en0->src_address, sizeof (t->new_src_mac)); clib_memcpy_fast (t->new_dst_mac, en0->dst_address, sizeof (t->new_dst_mac)); } pkts_swapped += 1; /* 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_node_increment_counter (vm, sample_node.index, SAMPLE_ERROR_SWAPPED, pkts_swapped); return frame->n_vectors; } #endif /* * This version swaps mac addresses using an MMX vector shuffle * Node costs about 17 clocks/pkt at a vector size of 26 */ #ifdef VERSION_2 VLIB_NODE_FN (sample_node) (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame) { u32 n_left_from, *from, *to_next; sample_next_t next_index; u32 pkts_swapped = 0; /* Vector shuffle mask to swap src, dst */ u8x16 swapmac = { 6, 7, 8, 9, 10, 11, 0, 1, 2, 3, 4, 5, 12, 13, 14, 15 }; 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 >= 4 && n_left_to_next >= 2) { u32 next0 = SAMPLE_NEXT_INTERFACE_OUTPUT; u32 next1 = SAMPLE_NEXT_INTERFACE_OUTPUT; u32 sw_if_index0, sw_if_index1; u8x16 src_dst0, src_dst1; ethernet_header_t *en0, *en1; u32 bi0, bi1; vlib_buffer_t *b0, *b1; /* 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, CLIB_CACHE_LINE_BYTES, STORE); CLIB_PREFETCH (p3->data, CLIB_CACHE_LINE_BYTES, STORE); } /* speculatively enqueue b0 and b1 to the current next frame */ to_next[0] = bi0 = from[0]; to_next[1] = bi1 = from[1]; from += 2; to_next += 2; n_left_from -= 2; n_left_to_next -= 2; b0 = vlib_get_buffer (vm, bi0); b1 = vlib_get_buffer (vm, bi1); ASSERT (b0->current_data == 0); ASSERT (b1->current_data == 0); en0 = vlib_buffer_get_current (b0); en1 = vlib_buffer_get_current (b1); src_dst0 = ((u8x16 *) en0)[0]; src_dst1 = ((u8x16 *) en1)[0]; src_dst0 = u8x16_shuffle (src_dst0, swapmac); src_dst1 = u8x16_shuffle (src_dst1, swapmac); ((u8x16 *) en0)[0] = src_dst0; ((u8x16 *) en1)[0] = src_dst1; sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX]; sw_if_index1 = vnet_buffer (b1)->sw_if_index[VLIB_RX]; /* Send pkt back out the RX interface */ vnet_buffer (b0)->sw_if_index[VLIB_TX] = sw_if_index0; vnet_buffer (b1)->sw_if_index[VLIB_TX] = sw_if_index1; pkts_swapped += 2; if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE))) { if (b0->flags & VLIB_BUFFER_IS_TRACED) { sample_trace_t *t = vlib_add_trace (vm, node, b0, sizeof (*t)); t->sw_if_index = sw_if_index0; t->next_index = next0; clib_memcpy_fast (t->new_src_mac, en0->src_address, sizeof (t->new_src_mac)); clib_memcpy_fast (t->new_dst_mac, en0->dst_address, sizeof (t->new_dst_mac)); } if (b1->flags & VLIB_BUFFER_IS_TRACED) { sample_trace_t *t = vlib_add_trace (vm, node, b1, sizeof (*t)); t->sw_if_index = sw_if_index1; t->next_index = next1; clib_memcpy_fast (t->new_src_mac, en1->src_address, sizeof (t->new_src_mac)); clib_memcpy_fast (t->new_dst_mac, en1->dst_address, sizeof (t->new_dst_mac)); } } /* verify speculative enqueues, maybe switch current next frame */ 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) { u32 bi0; vlib_buffer_t *b0; u32 next0 = SAMPLE_NEXT_INTERFACE_OUTPUT; u32 sw_if_index0; u8x16 src_dst0; ethernet_header_t *en0; /* 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); /* * Direct from the driver, we should be at offset 0 * aka at &b0->data[0] */ ASSERT (b0->current_data == 0); en0 = vlib_buffer_get_current (b0); src_dst0 = ((u8x16 *) en0)[0]; src_dst0 = u8x16_shuffle (src_dst0, swapmac); ((u8x16 *) en0)[0] = src_dst0; sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX]; /* Send pkt back out the RX interface */ vnet_buffer (b0)->sw_if_index[VLIB_TX] = sw_if_index0; if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE) && (b0->flags & VLIB_BUFFER_IS_TRACED))) { sample_trace_t *t = vlib_add_trace (vm, node, b0, sizeof (*t)); t->sw_if_index = sw_if_index0; t->next_index = next0; clib_memcpy_fast (t->new_src_mac, en0->src_address, sizeof (t->new_src_mac)); clib_memcpy_fast (t->new_dst_mac, en0->dst_address, sizeof (t->new_dst_mac)); } pkts_swapped += 1; /* 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_node_increment_counter (vm, sample_node.index, SAMPLE_ERROR_SWAPPED, pkts_swapped); return frame->n_vectors; } #endif /* * This version computes all of the buffer pointers in * one motion, uses a quad/single loop model, and * traces the entire frame in one motion. * * Node costs about 16 clocks/pkt at a vector size of 26 * * Some compilation drama with u8x16_shuffle, so turned off by * default. */ #ifdef VERSION_3 #define u8x16_shuffle __builtin_shuffle /* This would normally be a stack local, but since it's a constant... */ static const u16 nexts[VLIB_FRAME_SIZE] = { 0 }; VLIB_NODE_FN (sample_node) (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame) { u32 n_left_from, *from; u32 pkts_swapped = 0; /* Vector shuffle mask to swap src, dst */ u8x16 swapmac = { 6, 7, 8, 9, 10, 11, 0, 1, 2, 3, 4, 5, 12, 13, 14, 15 }; vlib_buffer_t *bufs[VLIB_FRAME_SIZE], **b; /* See comment below about sending all pkts to the same place... */ u16 *next __attribute__ ((unused)); from = vlib_frame_vector_args (frame); n_left_from = frame->n_vectors; vlib_get_buffers (vm, from, bufs, n_left_from); b = bufs; // next = nexts; /* * We send all pkts to SAMPLE_NEXT_INTERFACE_OUTPUT, aka * graph arc 0. So the usual setting of next[0...3] is commented * out below */ while (n_left_from >= 4) { u8x16 src_dst0, src_dst1, src_dst2, src_dst3; /* Prefetch next iteration. */ if (PREDICT_TRUE (n_left_from >= 8)) { vlib_prefetch_buffer_header (b[4], STORE); vlib_prefetch_buffer_header (b[5], STORE); vlib_prefetch_buffer_header (b[6], STORE); vlib_prefetch_buffer_header (b[7], STORE); CLIB_PREFETCH (&b[4]->data, CLIB_CACHE_LINE_BYTES, STORE); CLIB_PREFETCH (&b[5]->data, CLIB_CACHE_LINE_BYTES, STORE); CLIB_PREFETCH (&b[6]->data, CLIB_CACHE_LINE_BYTES, STORE); CLIB_PREFETCH (&b[7]->data, CLIB_CACHE_LINE_BYTES, STORE); } src_dst0 = ((u8x16 *) vlib_buffer_get_current (b[0]))[0]; src_dst1 = ((u8x16 *) vlib_buffer_get_current (b[1]))[0]; src_dst2 = ((u8x16 *) vlib_buffer_get_current (b[2]))[0]; src_dst3 = ((u8x16 *) vlib_buffer_get_current (b[3]))[0]; src_dst0 = u8x16_shuffle (src_dst0, swapmac); src_dst1 = u8x16_shuffle (src_dst1, swapmac); src_dst2 = u8x16_shuffle (src_dst2, swapmac); src_dst3 = u8x16_shuffle (src_dst3, swapmac); ((u8x16 *) vlib_buffer_get_current (b[0]))[0] = src_dst0; ((u8x16 *) vlib_buffer_get_current (b[1]))[0] = src_dst1; ((u8x16 *) vlib_buffer_get_current (b[2]))[0] = src_dst2; ((u8x16 *) vlib_buffer_get_current (b[3]))[0] = src_dst3; vnet_buffer (b[0])->sw_if_index[VLIB_TX] = vnet_buffer (b[0])->sw_if_index[VLIB_RX]; vnet_buffer (b[1])->sw_if_index[VLIB_TX] = vnet_buffer (b[1])->sw_if_index[VLIB_RX]; vnet_buffer (b[2])->sw_if_index[VLIB_TX] = vnet_buffer (b[2])->sw_if_index[VLIB_RX]; vnet_buffer (b[3])->sw_if_index[VLIB_TX] = vnet_buffer (b[3])->sw_if_index[VLIB_RX]; // next[0] = SAMPLE_NEXT_INTERFACE_OUTPUT; // next[1] = SAMPLE_NEXT_INTERFACE_OUTPUT; // next[2] = SAMPLE_NEXT_INTERFACE_OUTPUT; // next[3] = SAMPLE_NEXT_INTERFACE_OUTPUT; b += 4; // next += 4; n_left_from -= 4; pkts_swapped += 4; } while (n_left_from > 0) { u8x16 src_dst0; src_dst0 = ((u8x16 *) vlib_buffer_get_current (b[0]))[0]; src_dst0 = u8x16_shuffle (src_dst0, swapmac); ((u8x16 *) vlib_buffer_get_current (b[0]))[0] = src_dst0; vnet_buffer (b[0])->sw_if_index[VLIB_TX] = vnet_buffer (b[0])->sw_if_index[VLIB_RX]; // next[0] = SAMPLE_NEXT_INTERFACE_OUTPUT; b += 1; // next += 1; n_left_from -= 1; pkts_swapped += 1; } vlib_buffer_enqueue_to_next (vm, node, from, (u16 *) nexts, frame->n_vectors); vlib_node_increment_counter (vm, sample_node.index, SAMPLE_ERROR_SWAPPED, pkts_swapped); if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE))) { int i; b = bufs; for (i = 0; i < frame->n_vectors; i++) { if (b[0]->flags & VLIB_BUFFER_IS_TRACED) { ethernet_header_t *en; sample_trace_t *t = vlib_add_trace (vm, node, b[0], sizeof (*t)); t->sw_if_index = vnet_buffer (b[0])->sw_if_index[VLIB_TX]; t->next_index = SAMPLE_NEXT_INTERFACE_OUTPUT; en = vlib_buffer_get_current (b[0]); clib_memcpy_fast (t->new_src_mac, en->src_address, sizeof (t->new_src_mac)); clib_memcpy_fast (t->new_dst_mac, en->dst_address, sizeof (t->new_dst_mac)); b++; } else break; } } return frame->n_vectors; } #endif /* *INDENT-OFF* */ VLIB_REGISTER_NODE (sample_node) = { .name = "sample", .vector_size = sizeof (u32), .format_trace = format_sample_trace, .type = VLIB_NODE_TYPE_INTERNAL, .n_errors = ARRAY_LEN(sample_error_strings), .error_strings = sample_error_strings, .n_next_nodes = SAMPLE_N_NEXT, /* edit / add dispositions here */ .next_nodes = { [SAMPLE_NEXT_INTERFACE_OUTPUT] = "interface-output", }, }; /* *INDENT-ON* */ /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */