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path: root/bootstrap-hc2vpp-verify-odl.sh
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#!/bin/bash
# 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.

set -x

cat /etc/hostname
cat /etc/hosts

SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"

VIRL_SERVERS=("10.30.51.28" "10.30.51.29" "10.30.51.30")
VIRL_SERVER=""

VIRL_USERNAME=jenkins-in
VIRL_PKEY=priv_key
VIRL_SERVER_STATUS_FILE="status"
VIRL_SERVER_EXPECTED_STATUS="PRODUCTION"

ARCHIVE_ARTIFACTS=(log.html output.xml report.html honeycomb.log)

OS=$1
ODL=$2

if [ -f "/etc/redhat-release" ]; then
    DISTRO="CENTOS"
    sudo yum install -y python-devel python-virtualenv
    VIRL_TOPOLOGY=$(cat ${SCRIPT_DIR}/VIRL_TOPOLOGY_CENTOS)
    VIRL_RELEASE=$(cat ${SCRIPT_DIR}/VIRL_RELEASE_CENTOS)
else
    DISTRO="UBUNTU"
    export DEBIAN_FRONTEND=noninteractive
    sudo apt-get -y update
    sudo apt-get -y install libpython2.7-dev python-virtualenv
    VIRL_TOPOLOGY=$(cat ${SCRIPT_DIR}/VIRL_TOPOLOGY_UBUNTU)
    VIRL_RELEASE=$(cat ${SCRIPT_DIR}/VIRL_RELEASE_UBUNTU)
fi

SSH_OPTIONS="-i ${VIRL_PKEY} -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -o BatchMode=yes -o LogLevel=error"

function ssh_do() {
    echo
    echo "### "  ssh $@
    ssh ${SSH_OPTIONS} $@
}

rm -f ${VIRL_PKEY}
cat > ${VIRL_PKEY} <<EOF
-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----
EOF
chmod 600 ${VIRL_PKEY}

#
# Pick a random host from the array of VIRL servers, and attempt
# to reach it and verify it's status.
#
# The server must be reachable, and have a "status" file with
# the content "PRODUCTION", to be selected.
#
# If the server is not reachable, or does not have the correct
# status, remove it from the array and start again.
#
# Abort if there are no more servers left in the array.
#
while [[ ! "$VIRL_SERVER" ]]
do
    num_hosts=${#VIRL_SERVERS[@]}
    if [ $num_hosts == 0 ]
    then
        echo "No more VIRL candidate hosts available, failing."
        exit 127
    fi
    element=$[ $RANDOM % $num_hosts ]
    virl_server_candidate=${VIRL_SERVERS[$element]}
    virl_server_status=$(ssh ${SSH_OPTIONS} ${VIRL_USERNAME}@${virl_server_candidate} cat $VIRL_SERVER_STATUS_FILE 2>&1)
    echo VIRL HOST $virl_server_candidate status is \"$virl_server_status\"
    if [ "$virl_server_status" == "$VIRL_SERVER_EXPECTED_STATUS" ]
    then
        # Candidate is in good status. Select this server.
        VIRL_SERVER="$virl_server_candidate"
    else
        # Candidate is in bad status. Remove from array.
        VIRL_SERVERS=("${VIRL_SERVERS[@]:0:$element}" "${VIRL_SERVERS[@]:$[$element+1]}")
    fi
done

SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"

# VPP, VPP plugin and Honeycomb packages should already be in working directory
if [ "${OS}" == "centos7" ]; then
    VPP_PKGS=(*.rpm)
else
    VPP_PKGS=(*.deb)
fi
echo ${VPP_PKGS[@]}
VIRL_DIR_LOC="/tmp"
VPP_PKGS_FULL=(${VPP_PKGS[@]})

# Prepend directory location at remote host to package file list
for index in "${!VPP_PKGS_FULL[@]}"; do
    VPP_PKGS_FULL[${index}]=${VIRL_DIR_LOC}/${VPP_PKGS_FULL[${index}]}
done

echo "Updated file names: " ${VPP_PKGS_FULL[@]}

cat ${VIRL_PKEY}

# Copy the files to VIRL hosts
DONE=""
for index in "${!VIRL_SERVER[@]}"; do
    # Do not copy files in case they have already been copied to the VIRL host
    [[ "${DONE[@]}" =~ "${VIRL_SERVER[${index}]}" ]] && copy=0 || copy=1

    if [ "${copy}" -eq "0" ]; then
        echo "files have already been copied to the VIRL host ${VIRL_SERVER[${index}]}"
    else
        if [ "${OS}" == "centos7" ]; then
            scp ${SSH_OPTIONS} *.rpm \
                ${VIRL_USERNAME}@${VIRL_SERVER[${index}]}:${VIRL_DIR_LOC}/
        else
            scp ${SSH_OPTIONS} *.deb \
                ${VIRL_USERNAME}@${VIRL_SERVER[${index}]}:${VIRL_DIR_LOC}/
        fi
         result=$?
        if [ "${result}" -ne "0" ]; then
            echo "Failed to copy files to VIRL host ${VIRL_SERVER[${index}]}"
            echo ${result}
            exit ${result}
        else
            echo "files successfully copied to the VIRL host ${VIRL_SERVER[${index}]}"
        fi
        DONE+=(${VIRL_SERVER[${index}]})
    fi
done

# Start a simulation on VIRL server
echo "Starting simulation on VIRL server"

function stop_virl_simulation {
    ssh ${SSH_OPTIONS} ${VIRL_USERNAME}@${VIRL_SERVER}\
        "stop-testcase ${VIRL_SID}"
}

VIRL_SID=$(ssh ${SSH_OPTIONS} \
    ${VIRL_USERNAME}@${VIRL_SERVER} \
    "start-testcase -c ${VIRL_TOPOLOGY} -r ${VIRL_RELEASE} ${VPP_PKGS_FULL[@]}")
retval=$?
if [ "${retval}" -ne "0" ]; then
    echo "VIRL simulation start failed"
    exit ${retval}
fi

if [[ ! "${VIRL_SID}" =~ session-[a-zA-Z0-9_]{6} ]]; then
    echo "No VIRL session ID reported."
    exit 127
fi

# Upon script exit, cleanup the simulation execution
trap stop_virl_simulation EXIT
echo ${VIRL_SID}

ssh_do ${VIRL_USERNAME}@${VIRL_SERVER} cat /scratch/${VIRL_SID}/topology.yaml

# Download the topology file from virl session
scp ${SSH_OPTIONS} \
    ${VIRL_USERNAME}@${VIRL_SERVER}:/scratch/${VIRL_SID}/topology.yaml \
    topologies/enabled/topology.yaml

retval=$?
if [ "${retval}" -ne "0" ]; then
    echo "Failed to copy topology file from VIRL simulation"
    exit ${retval}
fi

virtualenv --system-site-packages env
. env/bin/activate

echo pip install
pip install -r ${SCRIPT_DIR}/requirements.txt

pykwalify -s ${SCRIPT_DIR}/resources/topology_schemas/3_node_topology.sch.yaml \
          -s ${SCRIPT_DIR}/resources/topology_schemas/topology.sch.yaml \
          -d ${SCRIPT_DIR}/topologies/enabled/topology.yaml \
          -vvv

if [ "$?" -ne "0" ]; then
    echo "Topology schema validation failed."
    echo "However, the tests will start."
fi

rm -rf ~/*karaf*
cp /nfs/common/karaf_${ODL} ~

# TODO(CSIT-994): reenable NSH
PYTHONPATH=`pwd` pybot -L TRACE -W 136\
    -v TOPOLOGY_PATH:${SCRIPT_DIR}/topologies/enabled/topology.yaml \
    --suite "tests.honeycomb.func" \
    --include HC_FUNC \
    --exclude HC_NSHORHC_REST_ONLY \
    --noncritical EXPECTED_FAILING \
    --variable HC_ODL:${ODL} \
    tests/

RETURN_STATUS=$?

# Get Honeycomb log file from virl host
scp ${SSH_OPTIONS} \
    ${VIRL_USERNAME}@${VIRL_SERVER}:/scratch/${VIRL_SID}/honeycomb.log . || true

# Archive artifacts
mkdir archive
for i in ${ARCHIVE_ARTIFACTS[@]}; do
    cp $( readlink -f ${i} | tr '\n' ' ' ) archive/
done

exit ${RETURN_STATUS}
s, va_list * va) { CLIB_UNUSED (vlib_main_t * vm) = va_arg (*va, vlib_main_t *); vlib_node_t *node = va_arg (*va, vlib_node_t *); interface_output_trace_t *t = va_arg (*va, interface_output_trace_t *); vnet_main_t *vnm = vnet_get_main (); vnet_sw_interface_t *si; u32 indent; if (t->sw_if_index != (u32) ~ 0) { indent = format_get_indent (s); if (pool_is_free_index (vnm->interface_main.sw_interfaces, t->sw_if_index)) { /* the interface may have been deleted by the time the trace is printed */ s = format (s, "sw_if_index: %d ", t->sw_if_index); } else { si = vnet_get_sw_interface (vnm, t->sw_if_index); s = format (s, "%U ", format_vnet_sw_interface_name, vnm, si, t->flags); } s = format (s, "\n%U%U", format_white_space, indent, node->format_buffer ? node->format_buffer : format_hex_bytes, t->data, sizeof (t->data)); } return s; } static void vnet_interface_output_trace (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame, uword n_buffers) { u32 n_left, *from; n_left = n_buffers; from = vlib_frame_vector_args (frame); while (n_left >= 4) { u32 bi0, bi1; vlib_buffer_t *b0, *b1; interface_output_trace_t *t0, *t1; /* Prefetch next iteration. */ vlib_prefetch_buffer_with_index (vm, from[2], LOAD); vlib_prefetch_buffer_with_index (vm, from[3], LOAD); bi0 = from[0]; bi1 = from[1]; b0 = vlib_get_buffer (vm, bi0); b1 = vlib_get_buffer (vm, bi1); if (b0->flags & VLIB_BUFFER_IS_TRACED) { t0 = vlib_add_trace (vm, node, b0, sizeof (t0[0])); t0->sw_if_index = vnet_buffer (b0)->sw_if_index[VLIB_TX]; t0->flags = b0->flags; clib_memcpy_fast (t0->data, vlib_buffer_get_current (b0), sizeof (t0->data)); } if (b1->flags & VLIB_BUFFER_IS_TRACED) { t1 = vlib_add_trace (vm, node, b1, sizeof (t1[0])); t1->sw_if_index = vnet_buffer (b1)->sw_if_index[VLIB_TX]; t1->flags = b1->flags; clib_memcpy_fast (t1->data, vlib_buffer_get_current (b1), sizeof (t1->data)); } from += 2; n_left -= 2; } while (n_left >= 1) { u32 bi0; vlib_buffer_t *b0; interface_output_trace_t *t0; bi0 = from[0]; b0 = vlib_get_buffer (vm, bi0); if (b0->flags & VLIB_BUFFER_IS_TRACED) { t0 = vlib_add_trace (vm, node, b0, sizeof (t0[0])); t0->sw_if_index = vnet_buffer (b0)->sw_if_index[VLIB_TX]; t0->flags = b0->flags; clib_memcpy_fast (t0->data, vlib_buffer_get_current (b0), sizeof (t0->data)); } from += 1; n_left -= 1; } } static_always_inline void calc_checksums (vlib_main_t * vm, vlib_buffer_t * b) { tcp_header_t *th; udp_header_t *uh; gso_header_offset_t gho = { 0 }; int is_ip4 = (b->flags & VNET_BUFFER_F_IS_IP4) != 0; int is_ip6 = (b->flags & VNET_BUFFER_F_IS_IP6) != 0; ASSERT (!(is_ip4 && is_ip6)); gho = vnet_gso_header_offset_parser (b, is_ip6); th = (tcp_header_t *) (vlib_buffer_get_current (b) + gho.l4_hdr_offset); uh = (udp_header_t *) (vlib_buffer_get_current (b) + gho.l4_hdr_offset); if (is_ip4) { ip4_header_t *ip4; ip4 = (ip4_header_t *) (vlib_buffer_get_current (b) + gho.l3_hdr_offset); if (b->flags & VNET_BUFFER_F_OFFLOAD_IP_CKSUM) ip4->checksum = ip4_header_checksum (ip4); if (b->flags & VNET_BUFFER_F_OFFLOAD_TCP_CKSUM) { th->checksum = 0; th->checksum = ip4_tcp_udp_compute_checksum (vm, b, ip4); } else if (b->flags & VNET_BUFFER_F_OFFLOAD_UDP_CKSUM) { uh->checksum = 0; uh->checksum = ip4_tcp_udp_compute_checksum (vm, b, ip4); } } else if (is_ip6) { int bogus; ip6_header_t *ip6; ip6 = (ip6_header_t *) (vlib_buffer_get_current (b) + gho.l3_hdr_offset); if (b->flags & VNET_BUFFER_F_OFFLOAD_TCP_CKSUM) { th->checksum = 0; th->checksum = ip6_tcp_udp_icmp_compute_checksum (vm, b, ip6, &bogus); } else if (b->flags & VNET_BUFFER_F_OFFLOAD_UDP_CKSUM) { uh->checksum = 0; uh->checksum = ip6_tcp_udp_icmp_compute_checksum (vm, b, ip6, &bogus); } } b->flags &= ~VNET_BUFFER_F_OFFLOAD_TCP_CKSUM; b->flags &= ~VNET_BUFFER_F_OFFLOAD_UDP_CKSUM; b->flags &= ~VNET_BUFFER_F_OFFLOAD_IP_CKSUM; } static_always_inline uword vnet_interface_output_node_inline (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame, vnet_main_t * vnm, vnet_hw_interface_t * hi, int do_tx_offloads) { vnet_interface_output_runtime_t *rt = (void *) node->runtime_data; vnet_sw_interface_t *si; u32 n_left_to_tx, *from, *from_end, *to_tx; u32 n_bytes, n_buffers, n_packets; u32 n_bytes_b0, n_bytes_b1, n_bytes_b2, n_bytes_b3; u32 thread_index = vm->thread_index; vnet_interface_main_t *im = &vnm->interface_main; u32 next_index = VNET_INTERFACE_OUTPUT_NEXT_TX; u32 current_config_index = ~0; u8 arc = im->output_feature_arc_index; vlib_buffer_t *bufs[VLIB_FRAME_SIZE], **b = bufs; n_buffers = frame->n_vectors; if (node->flags & VLIB_NODE_FLAG_TRACE) vnet_interface_output_trace (vm, node, frame, n_buffers); from = vlib_frame_vector_args (frame); vlib_get_buffers (vm, from, b, n_buffers); if (rt->is_deleted) return vlib_error_drop_buffers (vm, node, from, /* buffer stride */ 1, n_buffers, VNET_INTERFACE_OUTPUT_NEXT_DROP, node->node_index, VNET_INTERFACE_OUTPUT_ERROR_INTERFACE_DELETED); si = vnet_get_sw_interface (vnm, rt->sw_if_index); hi = vnet_get_sup_hw_interface (vnm, rt->sw_if_index); if (!(si->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) || !(hi->flags & VNET_HW_INTERFACE_FLAG_LINK_UP)) { vlib_simple_counter_main_t *cm; cm = vec_elt_at_index (vnm->interface_main.sw_if_counters, VNET_INTERFACE_COUNTER_TX_ERROR); vlib_increment_simple_counter (cm, thread_index, rt->sw_if_index, n_buffers); return vlib_error_drop_buffers (vm, node, from, /* buffer stride */ 1, n_buffers, VNET_INTERFACE_OUTPUT_NEXT_DROP, node->node_index, VNET_INTERFACE_OUTPUT_ERROR_INTERFACE_DOWN); } from_end = from + n_buffers; /* Total byte count of all buffers. */ n_bytes = 0; n_packets = 0; /* interface-output feature arc handling */ if (PREDICT_FALSE (vnet_have_features (arc, rt->sw_if_index))) { vnet_feature_config_main_t *fcm; fcm = vnet_feature_get_config_main (arc); current_config_index = vnet_get_feature_config_index (arc, rt->sw_if_index); vnet_get_config_data (&fcm->config_main, &current_config_index, &next_index, 0); } while (from < from_end) { /* Get new next frame since previous incomplete frame may have less than VNET_FRAME_SIZE vectors in it. */ vlib_get_new_next_frame (vm, node, next_index, to_tx, n_left_to_tx); while (from + 8 <= from_end && n_left_to_tx >= 4) { u32 bi0, bi1, bi2, bi3; u32 tx_swif0, tx_swif1, tx_swif2, tx_swif3; u32 or_flags; /* Prefetch next iteration. */ vlib_prefetch_buffer_header (b[4], LOAD); vlib_prefetch_buffer_header (b[5], LOAD); vlib_prefetch_buffer_header (b[6], LOAD); vlib_prefetch_buffer_header (b[7], LOAD); bi0 = from[0]; bi1 = from[1]; bi2 = from[2]; bi3 = from[3]; to_tx[0] = bi0; to_tx[1] = bi1; to_tx[2] = bi2; to_tx[3] = bi3; or_flags = b[0]->flags | b[1]->flags | b[2]->flags | b[3]->flags; from += 4; to_tx += 4; n_left_to_tx -= 4; /* Be grumpy about zero length buffers for benefit of driver tx function. */ ASSERT (b[0]->current_length > 0); ASSERT (b[1]->current_length > 0); ASSERT (b[2]->current_length > 0); ASSERT (b[3]->current_length > 0); n_bytes_b0 = vlib_buffer_length_in_chain (vm, b[0]); n_bytes_b1 = vlib_buffer_length_in_chain (vm, b[1]); n_bytes_b2 = vlib_buffer_length_in_chain (vm, b[2]); n_bytes_b3 = vlib_buffer_length_in_chain (vm, b[3]); tx_swif0 = vnet_buffer (b[0])->sw_if_index[VLIB_TX]; tx_swif1 = vnet_buffer (b[1])->sw_if_index[VLIB_TX]; tx_swif2 = vnet_buffer (b[2])->sw_if_index[VLIB_TX]; tx_swif3 = vnet_buffer (b[3])->sw_if_index[VLIB_TX]; n_bytes += n_bytes_b0 + n_bytes_b1; n_bytes += n_bytes_b2 + n_bytes_b3; n_packets += 4; if (PREDICT_FALSE (current_config_index != ~0)) { vnet_buffer (b[0])->feature_arc_index = arc; vnet_buffer (b[1])->feature_arc_index = arc; vnet_buffer (b[2])->feature_arc_index = arc; vnet_buffer (b[3])->feature_arc_index = arc; b[0]->current_config_index = current_config_index; b[1]->current_config_index = current_config_index; b[2]->current_config_index = current_config_index; b[3]->current_config_index = current_config_index; } /* update vlan subif tx counts, if required */ if (PREDICT_FALSE (tx_swif0 != rt->sw_if_index)) { vlib_increment_combined_counter (im->combined_sw_if_counters + VNET_INTERFACE_COUNTER_TX, thread_index, tx_swif0, 1, n_bytes_b0); } if (PREDICT_FALSE (tx_swif1 != rt->sw_if_index)) { vlib_increment_combined_counter (im->combined_sw_if_counters + VNET_INTERFACE_COUNTER_TX, thread_index, tx_swif1, 1, n_bytes_b1); } if (PREDICT_FALSE (tx_swif2 != rt->sw_if_index)) { vlib_increment_combined_counter (im->combined_sw_if_counters + VNET_INTERFACE_COUNTER_TX, thread_index, tx_swif2, 1, n_bytes_b2); } if (PREDICT_FALSE (tx_swif3 != rt->sw_if_index)) { vlib_increment_combined_counter (im->combined_sw_if_counters + VNET_INTERFACE_COUNTER_TX, thread_index, tx_swif3, 1, n_bytes_b3); } if (do_tx_offloads) { if (or_flags & (VNET_BUFFER_F_OFFLOAD_TCP_CKSUM | VNET_BUFFER_F_OFFLOAD_UDP_CKSUM | VNET_BUFFER_F_OFFLOAD_IP_CKSUM)) { calc_checksums (vm, b[0]); calc_checksums (vm, b[1]); calc_checksums (vm, b[2]); calc_checksums (vm, b[3]); } } b += 4; } while (from + 1 <= from_end && n_left_to_tx >= 1) { u32 bi0; u32 tx_swif0; bi0 = from[0]; to_tx[0] = bi0; from += 1; to_tx += 1; n_left_to_tx -= 1; /* Be grumpy about zero length buffers for benefit of driver tx function. */ ASSERT (b[0]->current_length > 0); n_bytes_b0 = vlib_buffer_length_in_chain (vm, b[0]); tx_swif0 = vnet_buffer (b[0])->sw_if_index[VLIB_TX]; n_bytes += n_bytes_b0; n_packets += 1; if (PREDICT_FALSE (current_config_index != ~0)) { vnet_buffer (b[0])->feature_arc_index = arc; b[0]->current_config_index = current_config_index; } if (PREDICT_FALSE (tx_swif0 != rt->sw_if_index)) { vlib_increment_combined_counter (im->combined_sw_if_counters + VNET_INTERFACE_COUNTER_TX, thread_index, tx_swif0, 1, n_bytes_b0); } if (do_tx_offloads) { if (b[0]->flags & (VNET_BUFFER_F_OFFLOAD_TCP_CKSUM | VNET_BUFFER_F_OFFLOAD_UDP_CKSUM | VNET_BUFFER_F_OFFLOAD_IP_CKSUM)) calc_checksums (vm, b[0]); } b += 1; } vlib_put_next_frame (vm, node, next_index, n_left_to_tx); } /* Update main interface stats. */ vlib_increment_combined_counter (im->combined_sw_if_counters + VNET_INTERFACE_COUNTER_TX, thread_index, rt->sw_if_index, n_packets, n_bytes); return n_buffers; } #endif /* CLIB_MARCH_VARIANT */ static_always_inline void vnet_interface_pcap_tx_trace (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame, int sw_if_index_from_buffer) { u32 n_left_from, *from; u32 sw_if_index; vnet_pcap_t *pp = &vlib_global_main.pcap; if (PREDICT_TRUE (pp->pcap_tx_enable == 0)) return; if (sw_if_index_from_buffer == 0) { vnet_interface_output_runtime_t *rt = (void *) node->runtime_data; sw_if_index = rt->sw_if_index; } else sw_if_index = ~0; n_left_from = frame->n_vectors; from = vlib_frame_vector_args (frame); while (n_left_from > 0) { int classify_filter_result; u32 bi0 = from[0]; vlib_buffer_t *b0 = vlib_get_buffer (vm, bi0); from++; n_left_from--; if (pp->filter_classify_table_index != ~0) { classify_filter_result = vnet_is_packet_traced_inline (b0, pp->filter_classify_table_index, 0 /* full classify */ ); if (classify_filter_result) pcap_add_buffer (&pp->pcap_main, vm, bi0, pp->max_bytes_per_pkt); continue; } if (sw_if_index_from_buffer) sw_if_index = vnet_buffer (b0)->sw_if_index[VLIB_TX]; if (pp->pcap_sw_if_index == 0 || pp->pcap_sw_if_index == sw_if_index) { vnet_main_t *vnm = vnet_get_main (); vnet_hw_interface_t *hi = vnet_get_sup_hw_interface (vnm, sw_if_index); /* Capture pkt if not filtered, or if filter hits */ if (hi->trace_classify_table_index == ~0 || vnet_is_packet_traced_inline (b0, hi->trace_classify_table_index, 0 /* full classify */ )) pcap_add_buffer (&pp->pcap_main, vm, bi0, pp->max_bytes_per_pkt); } } } #ifndef CLIB_MARCH_VARIANT uword vnet_interface_output_node (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame) { vnet_main_t *vnm = vnet_get_main (); vnet_hw_interface_t *hi; vnet_interface_output_runtime_t *rt = (void *) node->runtime_data; hi = vnet_get_sup_hw_interface (vnm, rt->sw_if_index); vnet_interface_pcap_tx_trace (vm, node, frame, 0 /* sw_if_index_from_buffer */ ); if (hi->flags & VNET_HW_INTERFACE_FLAG_SUPPORTS_TX_L4_CKSUM_OFFLOAD) return vnet_interface_output_node_inline (vm, node, frame, vnm, hi, /* do_tx_offloads */ 0); else return vnet_interface_output_node_inline (vm, node, frame, vnm, hi, /* do_tx_offloads */ 1); } #endif /* CLIB_MARCH_VARIANT */ /* Use buffer's sw_if_index[VNET_TX] to choose output interface. */ VLIB_NODE_FN (vnet_per_buffer_interface_output_node) (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame) { vnet_main_t *vnm = vnet_get_main (); u32 n_left_to_next, *from, *to_next; u32 n_left_from, next_index; vnet_interface_pcap_tx_trace (vm, node, frame, 1 /* sw_if_index_from_buffer */ ); n_left_from = frame->n_vectors; from = vlib_frame_vector_args (frame); next_index = node->cached_next_index; while (n_left_from > 0) { 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, next0, next1; vlib_buffer_t *b0, *b1; vnet_hw_interface_t *hi0, *hi1; /* Prefetch next iteration. */ vlib_prefetch_buffer_with_index (vm, from[2], LOAD); vlib_prefetch_buffer_with_index (vm, from[3], 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); hi0 = vnet_get_sup_hw_interface (vnm, vnet_buffer (b0)->sw_if_index [VLIB_TX]); hi1 = vnet_get_sup_hw_interface (vnm, vnet_buffer (b1)->sw_if_index [VLIB_TX]); next0 = hi0->output_node_next_index; next1 = hi1->output_node_next_index; 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, next0; vlib_buffer_t *b0; vnet_hw_interface_t *hi0; bi0 = from[0]; to_next[0] = bi0; from += 1; to_next += 1; n_left_to_next -= 1; n_left_from -= 1; b0 = vlib_get_buffer (vm, bi0); hi0 = vnet_get_sup_hw_interface (vnm, vnet_buffer (b0)->sw_if_index [VLIB_TX]); next0 = hi0->output_node_next_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); } return frame->n_vectors; } typedef struct vnet_error_trace_t_ { u32 sw_if_index; } vnet_error_trace_t; static u8 * format_vnet_error_trace (u8 * s, va_list * va) { CLIB_UNUSED (vlib_main_t * vm) = va_arg (*va, vlib_main_t *); CLIB_UNUSED (vlib_node_t * node) = va_arg (*va, vlib_node_t *); vnet_error_trace_t *t = va_arg (*va, vnet_error_trace_t *); s = format (s, "rx:%U", format_vnet_sw_if_index_name, vnet_get_main (), t->sw_if_index); return s; } static void interface_trace_buffers (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame) { u32 n_left, *buffers; buffers = vlib_frame_vector_args (frame); n_left = frame->n_vectors; while (n_left >= 4) { u32 bi0, bi1; vlib_buffer_t *b0, *b1; vnet_error_trace_t *t0, *t1; /* Prefetch next iteration. */ vlib_prefetch_buffer_with_index (vm, buffers[2], LOAD); vlib_prefetch_buffer_with_index (vm, buffers[3], LOAD); bi0 = buffers[0]; bi1 = buffers[1]; b0 = vlib_get_buffer (vm, bi0); b1 = vlib_get_buffer (vm, bi1); if (b0->flags & VLIB_BUFFER_IS_TRACED) { t0 = vlib_add_trace (vm, node, b0, sizeof (t0[0])); t0->sw_if_index = vnet_buffer (b0)->sw_if_index[VLIB_RX]; } if (b1->flags & VLIB_BUFFER_IS_TRACED) { t1 = vlib_add_trace (vm, node, b1, sizeof (t1[0])); t1->sw_if_index = vnet_buffer (b1)->sw_if_index[VLIB_RX]; } buffers += 2; n_left -= 2; } while (n_left >= 1) { u32 bi0; vlib_buffer_t *b0; vnet_error_trace_t *t0; bi0 = buffers[0]; b0 = vlib_get_buffer (vm, bi0); if (b0->flags & VLIB_BUFFER_IS_TRACED) { t0 = vlib_add_trace (vm, node, b0, sizeof (t0[0])); t0->sw_if_index = vnet_buffer (b0)->sw_if_index[VLIB_RX]; } buffers += 1; n_left -= 1; } } typedef enum { VNET_ERROR_DISPOSITION_DROP, VNET_ERROR_DISPOSITION_PUNT, VNET_ERROR_N_DISPOSITION, } vnet_error_disposition_t; static_always_inline uword interface_drop_punt (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame, vnet_error_disposition_t disposition) { u32 *from, n_left, thread_index, *sw_if_index; vlib_buffer_t *bufs[VLIB_FRAME_SIZE], **b; u32 sw_if_indices[VLIB_FRAME_SIZE]; vlib_simple_counter_main_t *cm; u16 nexts[VLIB_FRAME_SIZE]; vnet_main_t *vnm; vnm = vnet_get_main (); thread_index = vm->thread_index; from = vlib_frame_vector_args (frame); n_left = frame->n_vectors; b = bufs; sw_if_index = sw_if_indices; vlib_get_buffers (vm, from, bufs, n_left); if (node->flags & VLIB_NODE_FLAG_TRACE) interface_trace_buffers (vm, node, frame); /* All going to drop regardless, this is just a counting exercise */ clib_memset (nexts, 0, sizeof (nexts)); cm = vec_elt_at_index (vnm->interface_main.sw_if_counters, (disposition == VNET_ERROR_DISPOSITION_PUNT ? VNET_INTERFACE_COUNTER_PUNT : VNET_INTERFACE_COUNTER_DROP)); /* collect the array of interfaces first ... */ while (n_left >= 4) { if (n_left >= 12) { /* Prefetch 8 ahead - there's not much going on in each iteration */ vlib_prefetch_buffer_header (b[4], LOAD); vlib_prefetch_buffer_header (b[5], LOAD); vlib_prefetch_buffer_header (b[6], LOAD); vlib_prefetch_buffer_header (b[7], LOAD); } sw_if_index[0] = vnet_buffer (b[0])->sw_if_index[VLIB_RX]; sw_if_index[1] = vnet_buffer (b[1])->sw_if_index[VLIB_RX]; sw_if_index[2] = vnet_buffer (b[2])->sw_if_index[VLIB_RX]; sw_if_index[3] = vnet_buffer (b[3])->sw_if_index[VLIB_RX]; sw_if_index += 4; n_left -= 4; b += 4; } while (n_left) { sw_if_index[0] = vnet_buffer (b[0])->sw_if_index[VLIB_RX]; sw_if_index += 1; n_left -= 1; b += 1; } /* ... then count against them in blocks */ n_left = frame->n_vectors; while (n_left) { vnet_sw_interface_t *sw_if0; u16 off, count; off = frame->n_vectors - n_left; sw_if_index = sw_if_indices + off; count = clib_count_equal_u32 (sw_if_index, n_left); n_left -= count; vlib_increment_simple_counter (cm, thread_index, sw_if_index[0], count); /* Increment super-interface drop/punt counters for sub-interfaces. */ sw_if0 = vnet_get_sw_interface (vnm, sw_if_index[0]); if (sw_if0->sup_sw_if_index != sw_if_index[0]) vlib_increment_simple_counter (cm, thread_index, sw_if0->sup_sw_if_index, count); } vlib_buffer_enqueue_to_next (vm, node, from, nexts, frame->n_vectors); return frame->n_vectors; } static inline void pcap_drop_trace (vlib_main_t * vm, vnet_interface_main_t * im, vnet_pcap_t * pp, vlib_frame_t * f) { u32 *from; u32 n_left = f->n_vectors; vlib_buffer_t *b0, *p1; u32 bi0; i16 save_current_data; u16 save_current_length; vlib_error_main_t *em = &vm->error_main; int do_trace = 0; from = vlib_frame_vector_args (f); while (n_left > 0) { if (PREDICT_TRUE (n_left > 1)) { p1 = vlib_get_buffer (vm, from[1]); vlib_prefetch_buffer_header (p1, LOAD); } bi0 = from[0]; b0 = vlib_get_buffer (vm, bi0); from++; n_left--; /* See if we're pointedly ignoring this specific error */ if (im->pcap_drop_filter_hash && hash_get (im->pcap_drop_filter_hash, b0->error)) continue; do_trace = (pp->pcap_sw_if_index == 0) || pp->pcap_sw_if_index == vnet_buffer (b0)->sw_if_index[VLIB_RX]; if (PREDICT_FALSE (do_trace == 0 && pp->filter_classify_table_index != ~0)) { do_trace = vnet_is_packet_traced_inline (b0, pp->filter_classify_table_index, 0 /* full classify */ ); } /* Trace all drops, or drops received on a specific interface */ if (do_trace) { save_current_data = b0->current_data; save_current_length = b0->current_length; /* * Typically, we'll need to rewind the buffer * if l2_hdr_offset is valid, make sure to rewind to the start of * the L2 header. This may not be the buffer start in case we pop-ed * vlan tags. * Otherwise, rewind to buffer start and hope for the best. */ if (b0->flags & VNET_BUFFER_F_L2_HDR_OFFSET_VALID) { if (b0->current_data > vnet_buffer (b0)->l2_hdr_offset) vlib_buffer_advance (b0, vnet_buffer (b0)->l2_hdr_offset - b0->current_data); } else if (b0->current_data > 0) vlib_buffer_advance (b0, (word) - b0->current_data); { vlib_buffer_t *last = b0; u32 error_node_index; int drop_string_len; vlib_node_t *n; /* Length of the error string */ int error_string_len = clib_strnlen (em->error_strings_heap[b0->error], 128); /* Dig up the drop node */ error_node_index = vm->node_main.node_by_error[b0->error]; n = vlib_get_node (vm, error_node_index); /* Length of full drop string, w/ "nodename: " prepended */ drop_string_len = error_string_len + vec_len (n->name) + 2; /* Find the last buffer in the chain */ while (last->flags & VLIB_BUFFER_NEXT_PRESENT) last = vlib_get_buffer (vm, last->next_buffer); /* * Append <nodename>: <error-string> to the capture, * only if we can do that without allocating a new buffer. */ if (PREDICT_TRUE ((last->current_data + last->current_length) < (VLIB_BUFFER_DEFAULT_DATA_SIZE - drop_string_len))) { clib_memcpy_fast (last->data + last->current_data + last->current_length, n->name, vec_len (n->name)); clib_memcpy_fast (last->data + last->current_data + last->current_length + vec_len (n->name), ": ", 2); clib_memcpy_fast (last->data + last->current_data + last->current_length + vec_len (n->name) + 2, em->error_strings_heap[b0->error], error_string_len); last->current_length += drop_string_len; b0->flags &= ~(VLIB_BUFFER_TOTAL_LENGTH_VALID); pcap_add_buffer (&pp->pcap_main, vm, bi0, pp->max_bytes_per_pkt); last->current_length -= drop_string_len; b0->current_data = save_current_data; b0->current_length = save_current_length; continue; } } /* * Didn't have space in the last buffer, here's the dropped * packet as-is */ pcap_add_buffer (&pp->pcap_main, vm, bi0, pp->max_bytes_per_pkt); b0->current_data = save_current_data; b0->current_length = save_current_length; } } } #ifndef CLIB_MARCH_VARIANT void vnet_pcap_drop_trace_filter_add_del (u32 error_index, int is_add) { vnet_interface_main_t *im = &vnet_get_main ()->interface_main; if (im->pcap_drop_filter_hash == 0) im->pcap_drop_filter_hash = hash_create (0, sizeof (uword)); if (is_add) hash_set (im->pcap_drop_filter_hash, error_index, 1); else hash_unset (im->pcap_drop_filter_hash, error_index); } #endif /* CLIB_MARCH_VARIANT */ VLIB_NODE_FN (interface_drop) (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame) { vnet_interface_main_t *im = &vnet_get_main ()->interface_main; vnet_pcap_t *pp = &vlib_global_main.pcap; if (PREDICT_FALSE (pp->pcap_drop_enable)) pcap_drop_trace (vm, im, pp, frame); return interface_drop_punt (vm, node, frame, VNET_ERROR_DISPOSITION_DROP); } VLIB_NODE_FN (interface_punt) (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame) { return interface_drop_punt (vm, node, frame, VNET_ERROR_DISPOSITION_PUNT); } /* *INDENT-OFF* */ VLIB_REGISTER_NODE (interface_drop) = { .name = "error-drop", .vector_size = sizeof (u32), .format_trace = format_vnet_error_trace, .n_next_nodes = 1, .next_nodes = { [0] = "drop", }, }; /* *INDENT-ON* */ /* *INDENT-OFF* */ VLIB_REGISTER_NODE (interface_punt) = { .name = "error-punt", .vector_size = sizeof (u32), .format_trace = format_vnet_error_trace, .n_next_nodes = 1, .next_nodes = { [0] = "punt", }, }; /* *INDENT-ON* */ /* *INDENT-OFF* */ VLIB_REGISTER_NODE (vnet_per_buffer_interface_output_node) = { .name = "interface-output", .vector_size = sizeof (u32), }; /* *INDENT-ON* */ static uword interface_tx_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * from_frame) { vnet_main_t *vnm = vnet_get_main (); u32 last_sw_if_index = ~0; vlib_frame_t *to_frame = 0; vnet_hw_interface_t *hw = 0; u32 *from, *to_next = 0; u32 n_left_from; from = vlib_frame_vector_args (from_frame); n_left_from = from_frame->n_vectors; while (n_left_from > 0) { u32 bi0; vlib_buffer_t *b0; u32 sw_if_index0; bi0 = from[0]; from++; n_left_from--; b0 = vlib_get_buffer (vm, bi0); sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_TX]; if (PREDICT_FALSE ((last_sw_if_index != sw_if_index0) || to_frame == 0)) { if (to_frame) { hw = vnet_get_sup_hw_interface (vnm, last_sw_if_index); vlib_put_frame_to_node (vm, hw->tx_node_index, to_frame); } last_sw_if_index = sw_if_index0; hw = vnet_get_sup_hw_interface (vnm, sw_if_index0); to_frame = vlib_get_frame_to_node (vm, hw->tx_node_index); to_next = vlib_frame_vector_args (to_frame); } to_next[0] = bi0; to_next++; to_frame->n_vectors++; } vlib_put_frame_to_node (vm, hw->tx_node_index, to_frame); return from_frame->n_vectors; } /* *INDENT-OFF* */ VLIB_REGISTER_NODE (interface_tx) = { .function = interface_tx_node_fn, .name = "interface-tx", .vector_size = sizeof (u32), .n_next_nodes = 1, .next_nodes = { [0] = "error-drop", }, }; VNET_FEATURE_ARC_INIT (interface_output, static) = { .arc_name = "interface-output", .start_nodes = VNET_FEATURES (0), .last_in_arc = "interface-tx", .arc_index_ptr = &vnet_main.interface_main.output_feature_arc_index, }; VNET_FEATURE_INIT (span_tx, static) = { .arc_name = "interface-output", .node_name = "span-output", .runs_before = VNET_FEATURES ("interface-tx"), }; VNET_FEATURE_INIT (ipsec_if_tx, static) = { .arc_name = "interface-output", .node_name = "ipsec-if-output", .runs_before = VNET_FEATURES ("interface-tx"), }; VNET_FEATURE_INIT (interface_tx, static) = { .arc_name = "interface-output", .node_name = "interface-tx", .runs_before = 0, }; /* *INDENT-ON* */ #ifndef CLIB_MARCH_VARIANT clib_error_t * vnet_per_buffer_interface_output_hw_interface_add_del (vnet_main_t * vnm, u32 hw_if_index, u32 is_create) { vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index); u32 next_index; if (hi->output_node_index == 0) return 0; next_index = vlib_node_add_next (vnm->vlib_main, vnet_per_buffer_interface_output_node.index, hi->output_node_index); hi->output_node_next_index = next_index; return 0; } VNET_HW_INTERFACE_ADD_DEL_FUNCTION (vnet_per_buffer_interface_output_hw_interface_add_del); void vnet_set_interface_output_node (vnet_main_t * vnm, u32 hw_if_index, u32 node_index) { ASSERT (node_index); vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index); u32 next_index = vlib_node_add_next (vnm->vlib_main, vnet_per_buffer_interface_output_node.index, node_index); hi->output_node_next_index = next_index; hi->output_node_index = node_index; } #endif /* CLIB_MARCH_VARIANT */ /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */