1026 lines
29 KiB
Bash
Executable File
1026 lines
29 KiB
Bash
Executable File
#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# This test is for checking the A-TCAM and C-TCAM operation in Spectrum-2.
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# It tries to exercise as many code paths in the eRP state machine as
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# possible.
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lib_dir=$(dirname $0)/../../../../net/forwarding
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ALL_TESTS="single_mask_test identical_filters_test two_masks_test \
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multiple_masks_test ctcam_edge_cases_test delta_simple_test \
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delta_two_masks_one_key_test delta_simple_rehash_test \
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bloom_simple_test bloom_complex_test bloom_delta_test"
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NUM_NETIFS=2
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source $lib_dir/lib.sh
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source $lib_dir/tc_common.sh
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source $lib_dir/devlink_lib.sh
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tcflags="skip_hw"
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h1_create()
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{
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simple_if_init $h1 192.0.2.1/24 198.51.100.1/24
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}
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h1_destroy()
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{
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simple_if_fini $h1 192.0.2.1/24 198.51.100.1/24
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}
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h2_create()
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{
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simple_if_init $h2 192.0.2.2/24 198.51.100.2/24
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tc qdisc add dev $h2 clsact
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}
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h2_destroy()
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{
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tc qdisc del dev $h2 clsact
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simple_if_fini $h2 192.0.2.2/24 198.51.100.2/24
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}
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tp_record()
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{
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local tracepoint=$1
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local cmd=$2
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perf record -q -e $tracepoint $cmd
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return $?
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}
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tp_record_all()
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{
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local tracepoint=$1
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local seconds=$2
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perf record -a -q -e $tracepoint sleep $seconds
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return $?
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}
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__tp_hit_count()
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{
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local tracepoint=$1
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local perf_output=`perf script -F trace:event,trace`
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return `echo $perf_output | grep "$tracepoint:" | wc -l`
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}
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tp_check_hits()
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{
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local tracepoint=$1
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local count=$2
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__tp_hit_count $tracepoint
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if [[ "$?" -ne "$count" ]]; then
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return 1
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fi
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return 0
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}
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tp_check_hits_any()
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{
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local tracepoint=$1
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__tp_hit_count $tracepoint
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if [[ "$?" -eq "0" ]]; then
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return 1
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fi
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return 0
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}
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single_mask_test()
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{
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# When only a single mask is required, the device uses the master
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# mask and not the eRP table. Verify that under this mode the right
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# filter is matched
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RET=0
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tc filter add dev $h2 ingress protocol ip pref 1 handle 101 flower \
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$tcflags dst_ip 192.0.2.2 action drop
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$MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
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-t ip -q
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tc_check_packets "dev $h2 ingress" 101 1
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check_err $? "Single filter - did not match"
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tc filter add dev $h2 ingress protocol ip pref 2 handle 102 flower \
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$tcflags dst_ip 198.51.100.2 action drop
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$MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
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-t ip -q
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tc_check_packets "dev $h2 ingress" 101 2
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check_err $? "Two filters - did not match highest priority"
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$MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 198.51.100.1 -B 198.51.100.2 \
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-t ip -q
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tc_check_packets "dev $h2 ingress" 102 1
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check_err $? "Two filters - did not match lowest priority"
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tc filter del dev $h2 ingress protocol ip pref 1 handle 101 flower
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$MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 198.51.100.1 -B 198.51.100.2 \
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-t ip -q
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tc_check_packets "dev $h2 ingress" 102 2
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check_err $? "Single filter - did not match after delete"
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tc filter del dev $h2 ingress protocol ip pref 2 handle 102 flower
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log_test "single mask test ($tcflags)"
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}
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identical_filters_test()
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{
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# When two filters that only differ in their priority are used,
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# one needs to be inserted into the C-TCAM. This test verifies
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# that filters are correctly spilled to C-TCAM and that the right
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# filter is matched
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RET=0
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tc filter add dev $h2 ingress protocol ip pref 1 handle 101 flower \
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$tcflags dst_ip 192.0.2.2 action drop
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tc filter add dev $h2 ingress protocol ip pref 2 handle 102 flower \
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$tcflags dst_ip 192.0.2.2 action drop
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$MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
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-t ip -q
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tc_check_packets "dev $h2 ingress" 101 1
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check_err $? "Did not match A-TCAM filter"
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tc filter del dev $h2 ingress protocol ip pref 1 handle 101 flower
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$MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
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-t ip -q
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tc_check_packets "dev $h2 ingress" 102 1
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check_err $? "Did not match C-TCAM filter after A-TCAM delete"
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tc filter add dev $h2 ingress protocol ip pref 3 handle 103 flower \
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$tcflags dst_ip 192.0.2.2 action drop
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$MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
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-t ip -q
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tc_check_packets "dev $h2 ingress" 102 2
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check_err $? "Did not match C-TCAM filter after A-TCAM add"
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tc filter del dev $h2 ingress protocol ip pref 2 handle 102 flower
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$MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
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-t ip -q
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tc_check_packets "dev $h2 ingress" 103 1
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check_err $? "Did not match A-TCAM filter after C-TCAM delete"
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tc filter del dev $h2 ingress protocol ip pref 3 handle 103 flower
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log_test "identical filters test ($tcflags)"
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}
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two_masks_test()
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{
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# When more than one mask is required, the eRP table is used. This
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# test verifies that the eRP table is correctly allocated and used
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RET=0
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tc filter add dev $h2 ingress protocol ip pref 1 handle 101 flower \
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$tcflags dst_ip 192.0.2.2 action drop
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tc filter add dev $h2 ingress protocol ip pref 3 handle 103 flower \
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$tcflags dst_ip 192.0.0.0/8 action drop
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$MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
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-t ip -q
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tc_check_packets "dev $h2 ingress" 101 1
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check_err $? "Two filters - did not match highest priority"
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tc filter del dev $h2 ingress protocol ip pref 1 handle 101 flower
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$MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
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-t ip -q
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tc_check_packets "dev $h2 ingress" 103 1
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check_err $? "Single filter - did not match"
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tc filter add dev $h2 ingress protocol ip pref 2 handle 102 flower \
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$tcflags dst_ip 192.0.2.0/24 action drop
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$MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
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-t ip -q
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tc_check_packets "dev $h2 ingress" 102 1
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check_err $? "Two filters - did not match highest priority after add"
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tc filter del dev $h2 ingress protocol ip pref 3 handle 103 flower
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tc filter del dev $h2 ingress protocol ip pref 2 handle 102 flower
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log_test "two masks test ($tcflags)"
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}
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multiple_masks_test()
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{
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# The number of masks in a region is limited. Once the maximum
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# number of masks has been reached filters that require new
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# masks are spilled to the C-TCAM. This test verifies that
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# spillage is performed correctly and that the right filter is
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# matched
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if [[ "$tcflags" != "skip_sw" ]]; then
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return 0;
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fi
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local index
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RET=0
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NUM_MASKS=32
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NUM_ERPS=16
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BASE_INDEX=100
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for i in $(eval echo {1..$NUM_MASKS}); do
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index=$((BASE_INDEX - i))
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if ((i > NUM_ERPS)); then
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exp_hits=1
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err_msg="$i filters - C-TCAM spill did not happen when it was expected"
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else
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exp_hits=0
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err_msg="$i filters - C-TCAM spill happened when it should not"
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fi
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tp_record "mlxsw:mlxsw_sp_acl_atcam_entry_add_ctcam_spill" \
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"tc filter add dev $h2 ingress protocol ip pref $index \
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handle $index \
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flower $tcflags \
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dst_ip 192.0.2.2/${i} src_ip 192.0.2.1/${i} \
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action drop"
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tp_check_hits "mlxsw:mlxsw_sp_acl_atcam_entry_add_ctcam_spill" \
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$exp_hits
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check_err $? "$err_msg"
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$MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 \
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-B 192.0.2.2 -t ip -q
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tc_check_packets "dev $h2 ingress" $index 1
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check_err $? "$i filters - did not match highest priority (add)"
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done
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for i in $(eval echo {$NUM_MASKS..1}); do
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index=$((BASE_INDEX - i))
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$MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 \
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-B 192.0.2.2 -t ip -q
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tc_check_packets "dev $h2 ingress" $index 2
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check_err $? "$i filters - did not match highest priority (del)"
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tc filter del dev $h2 ingress protocol ip pref $index \
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handle $index flower
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done
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log_test "multiple masks test ($tcflags)"
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}
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ctcam_two_atcam_masks_test()
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{
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RET=0
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# First case: C-TCAM is disabled when there are two A-TCAM masks.
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# We push a filter into the C-TCAM by using two identical filters
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# as in identical_filters_test()
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# Filter goes into A-TCAM
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tc filter add dev $h2 ingress protocol ip pref 1 handle 101 flower \
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$tcflags dst_ip 192.0.2.2 action drop
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# Filter goes into C-TCAM
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tc filter add dev $h2 ingress protocol ip pref 2 handle 102 flower \
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$tcflags dst_ip 192.0.2.2 action drop
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# Filter goes into A-TCAM
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tc filter add dev $h2 ingress protocol ip pref 3 handle 103 flower \
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$tcflags dst_ip 192.0.0.0/16 action drop
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$MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
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-t ip -q
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tc_check_packets "dev $h2 ingress" 101 1
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check_err $? "Did not match A-TCAM filter"
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# Delete both A-TCAM and C-TCAM filters and make sure the remaining
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# A-TCAM filter still works
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tc filter del dev $h2 ingress protocol ip pref 2 handle 102 flower
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tc filter del dev $h2 ingress protocol ip pref 1 handle 101 flower
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$MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
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-t ip -q
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tc_check_packets "dev $h2 ingress" 103 1
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check_err $? "Did not match A-TCAM filter"
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tc filter del dev $h2 ingress protocol ip pref 3 handle 103 flower
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log_test "ctcam with two atcam masks test ($tcflags)"
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}
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ctcam_one_atcam_mask_test()
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{
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RET=0
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# Second case: C-TCAM is disabled when there is one A-TCAM mask.
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# The test is similar to identical_filters_test()
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# Filter goes into A-TCAM
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tc filter add dev $h2 ingress protocol ip pref 2 handle 102 flower \
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$tcflags dst_ip 192.0.2.2 action drop
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# Filter goes into C-TCAM
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tc filter add dev $h2 ingress protocol ip pref 1 handle 101 flower \
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$tcflags dst_ip 192.0.2.2 action drop
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$MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
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-t ip -q
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tc_check_packets "dev $h2 ingress" 101 1
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check_err $? "Did not match C-TCAM filter"
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tc filter del dev $h2 ingress protocol ip pref 1 handle 101 flower
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$MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
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-t ip -q
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tc_check_packets "dev $h2 ingress" 102 1
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check_err $? "Did not match A-TCAM filter"
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tc filter del dev $h2 ingress protocol ip pref 2 handle 102 flower
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log_test "ctcam with one atcam mask test ($tcflags)"
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}
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ctcam_no_atcam_masks_test()
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{
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RET=0
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# Third case: C-TCAM is disabled when there are no A-TCAM masks
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# This test exercises the code path that transitions the eRP table
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# to its initial state after deleting the last C-TCAM mask
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# Filter goes into A-TCAM
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tc filter add dev $h2 ingress protocol ip pref 1 handle 101 flower \
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$tcflags dst_ip 192.0.2.2 action drop
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# Filter goes into C-TCAM
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tc filter add dev $h2 ingress protocol ip pref 2 handle 102 flower \
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$tcflags dst_ip 192.0.2.2 action drop
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tc filter del dev $h2 ingress protocol ip pref 1 handle 101 flower
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tc filter del dev $h2 ingress protocol ip pref 2 handle 102 flower
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log_test "ctcam with no atcam masks test ($tcflags)"
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}
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ctcam_edge_cases_test()
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{
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# When the C-TCAM is disabled after deleting the last C-TCAM
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# mask, we want to make sure the eRP state machine is put in
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# the correct state
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ctcam_two_atcam_masks_test
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ctcam_one_atcam_mask_test
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ctcam_no_atcam_masks_test
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}
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delta_simple_test()
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{
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# The first filter will create eRP, the second filter will fit into
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# the first eRP with delta. Remove the first rule then and check that
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# the eRP stays (referenced by the second filter).
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RET=0
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if [[ "$tcflags" != "skip_sw" ]]; then
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return 0;
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fi
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tp_record "objagg:*" "tc filter add dev $h2 ingress protocol ip \
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pref 1 handle 101 flower $tcflags dst_ip 192.0.0.0/24 \
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action drop"
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tp_check_hits "objagg:objagg_obj_root_create" 1
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check_err $? "eRP was not created"
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tp_record "objagg:*" "tc filter add dev $h2 ingress protocol ip \
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pref 2 handle 102 flower $tcflags dst_ip 192.0.2.2 \
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action drop"
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tp_check_hits "objagg:objagg_obj_root_create" 0
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check_err $? "eRP was incorrectly created"
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tp_check_hits "objagg:objagg_obj_parent_assign" 1
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check_err $? "delta was not created"
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$MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
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-t ip -q
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tc_check_packets "dev $h2 ingress" 101 1
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check_fail $? "Matched a wrong filter"
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tc_check_packets "dev $h2 ingress" 102 1
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check_err $? "Did not match on correct filter"
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tp_record "objagg:*" "tc filter del dev $h2 ingress protocol ip \
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pref 1 handle 101 flower"
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tp_check_hits "objagg:objagg_obj_root_destroy" 0
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check_err $? "eRP was incorrectly destroyed"
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tp_check_hits "objagg:objagg_obj_parent_unassign" 0
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check_err $? "delta was incorrectly destroyed"
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$MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
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-t ip -q
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tc_check_packets "dev $h2 ingress" 102 2
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check_err $? "Did not match on correct filter after the first was removed"
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tp_record "objagg:*" "tc filter del dev $h2 ingress protocol ip \
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pref 2 handle 102 flower"
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tp_check_hits "objagg:objagg_obj_parent_unassign" 1
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check_err $? "delta was not destroyed"
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tp_check_hits "objagg:objagg_obj_root_destroy" 1
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check_err $? "eRP was not destroyed"
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log_test "delta simple test ($tcflags)"
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}
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delta_two_masks_one_key_test()
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{
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# If 2 keys are the same and only differ in mask in a way that
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# they belong under the same ERP (second is delta of the first),
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# there should be no C-TCAM spill.
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RET=0
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if [[ "$tcflags" != "skip_sw" ]]; then
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return 0;
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fi
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tp_record "mlxsw:*" "tc filter add dev $h2 ingress protocol ip \
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pref 1 handle 101 flower $tcflags dst_ip 192.0.2.0/24 \
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action drop"
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tp_check_hits "mlxsw:mlxsw_sp_acl_atcam_entry_add_ctcam_spill" 0
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check_err $? "incorrect C-TCAM spill while inserting the first rule"
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tp_record "mlxsw:*" "tc filter add dev $h2 ingress protocol ip \
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pref 2 handle 102 flower $tcflags dst_ip 192.0.2.2 \
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action drop"
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tp_check_hits "mlxsw:mlxsw_sp_acl_atcam_entry_add_ctcam_spill" 0
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check_err $? "incorrect C-TCAM spill while inserting the second rule"
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|
|
$MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
|
|
-t ip -q
|
|
|
|
tc_check_packets "dev $h2 ingress" 101 1
|
|
check_err $? "Did not match on correct filter"
|
|
|
|
tc filter del dev $h2 ingress protocol ip pref 1 handle 101 flower
|
|
|
|
$MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
|
|
-t ip -q
|
|
|
|
tc_check_packets "dev $h2 ingress" 102 1
|
|
check_err $? "Did not match on correct filter"
|
|
|
|
tc filter del dev $h2 ingress protocol ip pref 2 handle 102 flower
|
|
|
|
log_test "delta two masks one key test ($tcflags)"
|
|
}
|
|
|
|
delta_simple_rehash_test()
|
|
{
|
|
RET=0
|
|
|
|
if [[ "$tcflags" != "skip_sw" ]]; then
|
|
return 0;
|
|
fi
|
|
|
|
devlink dev param set $DEVLINK_DEV \
|
|
name acl_region_rehash_interval cmode runtime value 0
|
|
check_err $? "Failed to set ACL region rehash interval"
|
|
|
|
tp_record_all mlxsw:mlxsw_sp_acl_tcam_vregion_rehash 7
|
|
tp_check_hits_any mlxsw:mlxsw_sp_acl_tcam_vregion_rehash
|
|
check_fail $? "Rehash trace was hit even when rehash should be disabled"
|
|
|
|
devlink dev param set $DEVLINK_DEV \
|
|
name acl_region_rehash_interval cmode runtime value 3000
|
|
check_err $? "Failed to set ACL region rehash interval"
|
|
|
|
sleep 1
|
|
|
|
tc filter add dev $h2 ingress protocol ip pref 1 handle 101 flower \
|
|
$tcflags dst_ip 192.0.1.0/25 action drop
|
|
tc filter add dev $h2 ingress protocol ip pref 2 handle 102 flower \
|
|
$tcflags dst_ip 192.0.2.2 action drop
|
|
tc filter add dev $h2 ingress protocol ip pref 3 handle 103 flower \
|
|
$tcflags dst_ip 192.0.3.0/24 action drop
|
|
|
|
$MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
|
|
-t ip -q
|
|
|
|
tc_check_packets "dev $h2 ingress" 101 1
|
|
check_fail $? "Matched a wrong filter"
|
|
|
|
tc_check_packets "dev $h2 ingress" 103 1
|
|
check_fail $? "Matched a wrong filter"
|
|
|
|
tc_check_packets "dev $h2 ingress" 102 1
|
|
check_err $? "Did not match on correct filter"
|
|
|
|
tp_record_all mlxsw:* 3
|
|
tp_check_hits_any mlxsw:mlxsw_sp_acl_tcam_vregion_rehash
|
|
check_err $? "Rehash trace was not hit"
|
|
tp_check_hits_any mlxsw:mlxsw_sp_acl_tcam_vregion_migrate
|
|
check_err $? "Migrate trace was not hit"
|
|
tp_check_hits_any mlxsw:mlxsw_sp_acl_tcam_vregion_migrate_end
|
|
check_err $? "Migrate end trace was not hit"
|
|
tp_record_all mlxsw:* 3
|
|
tp_check_hits_any mlxsw:mlxsw_sp_acl_tcam_vregion_rehash
|
|
check_err $? "Rehash trace was not hit"
|
|
tp_check_hits_any mlxsw:mlxsw_sp_acl_tcam_vregion_migrate
|
|
check_fail $? "Migrate trace was hit when no migration should happen"
|
|
tp_check_hits_any mlxsw:mlxsw_sp_acl_tcam_vregion_migrate_end
|
|
check_fail $? "Migrate end trace was hit when no migration should happen"
|
|
|
|
$MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
|
|
-t ip -q
|
|
|
|
tc_check_packets "dev $h2 ingress" 101 1
|
|
check_fail $? "Matched a wrong filter after rehash"
|
|
|
|
tc_check_packets "dev $h2 ingress" 103 1
|
|
check_fail $? "Matched a wrong filter after rehash"
|
|
|
|
tc_check_packets "dev $h2 ingress" 102 2
|
|
check_err $? "Did not match on correct filter after rehash"
|
|
|
|
tc filter del dev $h2 ingress protocol ip pref 3 handle 103 flower
|
|
tc filter del dev $h2 ingress protocol ip pref 2 handle 102 flower
|
|
tc filter del dev $h2 ingress protocol ip pref 1 handle 101 flower
|
|
|
|
log_test "delta simple rehash test ($tcflags)"
|
|
}
|
|
|
|
delta_simple_ipv6_rehash_test()
|
|
{
|
|
RET=0
|
|
|
|
if [[ "$tcflags" != "skip_sw" ]]; then
|
|
return 0;
|
|
fi
|
|
|
|
devlink dev param set $DEVLINK_DEV \
|
|
name acl_region_rehash_interval cmode runtime value 0
|
|
check_err $? "Failed to set ACL region rehash interval"
|
|
|
|
tp_record_all mlxsw:mlxsw_sp_acl_tcam_vregion_rehash 7
|
|
tp_check_hits_any mlxsw:mlxsw_sp_acl_tcam_vregion_rehash
|
|
check_fail $? "Rehash trace was hit even when rehash should be disabled"
|
|
|
|
devlink dev param set $DEVLINK_DEV \
|
|
name acl_region_rehash_interval cmode runtime value 3000
|
|
check_err $? "Failed to set ACL region rehash interval"
|
|
|
|
sleep 1
|
|
|
|
tc filter add dev $h2 ingress protocol ipv6 pref 1 handle 101 flower \
|
|
$tcflags dst_ip 2001:db8:1::0/121 action drop
|
|
tc filter add dev $h2 ingress protocol ipv6 pref 2 handle 102 flower \
|
|
$tcflags dst_ip 2001:db8:2::2 action drop
|
|
tc filter add dev $h2 ingress protocol ipv6 pref 3 handle 103 flower \
|
|
$tcflags dst_ip 2001:db8:3::0/120 action drop
|
|
|
|
$MZ $h1 -6 -c 1 -p 64 -a $h1mac -b $h2mac \
|
|
-A 2001:db8:2::1 -B 2001:db8:2::2 -t udp -q
|
|
|
|
tc_check_packets "dev $h2 ingress" 101 1
|
|
check_fail $? "Matched a wrong filter"
|
|
|
|
tc_check_packets "dev $h2 ingress" 103 1
|
|
check_fail $? "Matched a wrong filter"
|
|
|
|
tc_check_packets "dev $h2 ingress" 102 1
|
|
check_err $? "Did not match on correct filter"
|
|
|
|
tp_record_all mlxsw:* 3
|
|
tp_check_hits_any mlxsw:mlxsw_sp_acl_tcam_vregion_rehash
|
|
check_err $? "Rehash trace was not hit"
|
|
tp_check_hits_any mlxsw:mlxsw_sp_acl_tcam_vregion_migrate
|
|
check_err $? "Migrate trace was not hit"
|
|
tp_check_hits_any mlxsw:mlxsw_sp_acl_tcam_vregion_migrate_end
|
|
check_err $? "Migrate end trace was not hit"
|
|
tp_record_all mlxsw:* 3
|
|
tp_check_hits_any mlxsw:mlxsw_sp_acl_tcam_vregion_rehash
|
|
check_err $? "Rehash trace was not hit"
|
|
tp_check_hits_any mlxsw:mlxsw_sp_acl_tcam_vregion_migrate
|
|
check_fail $? "Migrate trace was hit when no migration should happen"
|
|
tp_check_hits_any mlxsw:mlxsw_sp_acl_tcam_vregion_migrate_end
|
|
check_fail $? "Migrate end trace was hit when no migration should happen"
|
|
|
|
$MZ $h1 -6 -c 1 -p 64 -a $h1mac -b $h2mac \
|
|
-A 2001:db8:2::1 -B 2001:db8:2::2 -t udp -q
|
|
|
|
tc_check_packets "dev $h2 ingress" 101 1
|
|
check_fail $? "Matched a wrong filter after rehash"
|
|
|
|
tc_check_packets "dev $h2 ingress" 103 1
|
|
check_fail $? "Matched a wrong filter after rehash"
|
|
|
|
tc_check_packets "dev $h2 ingress" 102 2
|
|
check_err $? "Did not match on correct filter after rehash"
|
|
|
|
tc filter del dev $h2 ingress protocol ipv6 pref 3 handle 103 flower
|
|
tc filter del dev $h2 ingress protocol ipv6 pref 2 handle 102 flower
|
|
tc filter del dev $h2 ingress protocol ipv6 pref 1 handle 101 flower
|
|
|
|
log_test "delta simple IPv6 rehash test ($tcflags)"
|
|
}
|
|
|
|
TEST_RULE_BASE=256
|
|
declare -a test_rules_inserted
|
|
|
|
test_rule_add()
|
|
{
|
|
local iface=$1
|
|
local tcflags=$2
|
|
local index=$3
|
|
|
|
if ! [ ${test_rules_inserted[$index]} ] ; then
|
|
test_rules_inserted[$index]=false
|
|
fi
|
|
if ${test_rules_inserted[$index]} ; then
|
|
return
|
|
fi
|
|
|
|
local number=$(( $index + $TEST_RULE_BASE ))
|
|
printf -v hexnumber '%x' $number
|
|
|
|
batch="${batch}filter add dev $iface ingress protocol ipv6 pref 1 \
|
|
handle $number flower $tcflags \
|
|
src_ip 2001:db8:1::$hexnumber action drop\n"
|
|
test_rules_inserted[$index]=true
|
|
}
|
|
|
|
test_rule_del()
|
|
{
|
|
local iface=$1
|
|
local index=$2
|
|
|
|
if ! [ ${test_rules_inserted[$index]} ] ; then
|
|
test_rules_inserted[$index]=false
|
|
fi
|
|
if ! ${test_rules_inserted[$index]} ; then
|
|
return
|
|
fi
|
|
|
|
local number=$(( $index + $TEST_RULE_BASE ))
|
|
printf -v hexnumber '%x' $number
|
|
|
|
batch="${batch}filter del dev $iface ingress protocol ipv6 pref 1 \
|
|
handle $number flower\n"
|
|
test_rules_inserted[$index]=false
|
|
}
|
|
|
|
test_rule_add_or_remove()
|
|
{
|
|
local iface=$1
|
|
local tcflags=$2
|
|
local index=$3
|
|
|
|
if ! [ ${test_rules_inserted[$index]} ] ; then
|
|
test_rules_inserted[$index]=false
|
|
fi
|
|
if ${test_rules_inserted[$index]} ; then
|
|
test_rule_del $iface $index
|
|
else
|
|
test_rule_add $iface $tcflags $index
|
|
fi
|
|
}
|
|
|
|
test_rule_add_or_remove_random_batch()
|
|
{
|
|
local iface=$1
|
|
local tcflags=$2
|
|
local total_count=$3
|
|
local skip=0
|
|
local count=0
|
|
local MAXSKIP=20
|
|
local MAXCOUNT=20
|
|
|
|
for ((i=1;i<=total_count;i++)); do
|
|
if (( $skip == 0 )) && (($count == 0)); then
|
|
((skip=$RANDOM % $MAXSKIP + 1))
|
|
((count=$RANDOM % $MAXCOUNT + 1))
|
|
fi
|
|
if (( $skip != 0 )); then
|
|
((skip-=1))
|
|
else
|
|
((count-=1))
|
|
test_rule_add_or_remove $iface $tcflags $i
|
|
fi
|
|
done
|
|
}
|
|
|
|
delta_massive_ipv6_rehash_test()
|
|
{
|
|
RET=0
|
|
|
|
if [[ "$tcflags" != "skip_sw" ]]; then
|
|
return 0;
|
|
fi
|
|
|
|
devlink dev param set $DEVLINK_DEV \
|
|
name acl_region_rehash_interval cmode runtime value 0
|
|
check_err $? "Failed to set ACL region rehash interval"
|
|
|
|
tp_record_all mlxsw:mlxsw_sp_acl_tcam_vregion_rehash 7
|
|
tp_check_hits_any mlxsw:mlxsw_sp_acl_tcam_vregion_rehash
|
|
check_fail $? "Rehash trace was hit even when rehash should be disabled"
|
|
|
|
RANDOM=4432897
|
|
declare batch=""
|
|
test_rule_add_or_remove_random_batch $h2 $tcflags 5000
|
|
|
|
echo -n -e $batch | tc -b -
|
|
|
|
declare batch=""
|
|
test_rule_add_or_remove_random_batch $h2 $tcflags 5000
|
|
|
|
devlink dev param set $DEVLINK_DEV \
|
|
name acl_region_rehash_interval cmode runtime value 3000
|
|
check_err $? "Failed to set ACL region rehash interval"
|
|
|
|
sleep 1
|
|
|
|
tc filter add dev $h2 ingress protocol ipv6 pref 1 handle 101 flower \
|
|
$tcflags dst_ip 2001:db8:1::0/121 action drop
|
|
tc filter add dev $h2 ingress protocol ipv6 pref 2 handle 102 flower \
|
|
$tcflags dst_ip 2001:db8:2::2 action drop
|
|
tc filter add dev $h2 ingress protocol ipv6 pref 3 handle 103 flower \
|
|
$tcflags dst_ip 2001:db8:3::0/120 action drop
|
|
|
|
$MZ $h1 -6 -c 1 -p 64 -a $h1mac -b $h2mac \
|
|
-A 2001:db8:2::1 -B 2001:db8:2::2 -t udp -q
|
|
|
|
tc_check_packets "dev $h2 ingress" 101 1
|
|
check_fail $? "Matched a wrong filter"
|
|
|
|
tc_check_packets "dev $h2 ingress" 103 1
|
|
check_fail $? "Matched a wrong filter"
|
|
|
|
tc_check_packets "dev $h2 ingress" 102 1
|
|
check_err $? "Did not match on correct filter"
|
|
|
|
echo -n -e $batch | tc -b -
|
|
|
|
devlink dev param set $DEVLINK_DEV \
|
|
name acl_region_rehash_interval cmode runtime value 0
|
|
check_err $? "Failed to set ACL region rehash interval"
|
|
|
|
$MZ $h1 -6 -c 1 -p 64 -a $h1mac -b $h2mac \
|
|
-A 2001:db8:2::1 -B 2001:db8:2::2 -t udp -q
|
|
|
|
tc_check_packets "dev $h2 ingress" 101 1
|
|
check_fail $? "Matched a wrong filter after rehash"
|
|
|
|
tc_check_packets "dev $h2 ingress" 103 1
|
|
check_fail $? "Matched a wrong filter after rehash"
|
|
|
|
tc_check_packets "dev $h2 ingress" 102 2
|
|
check_err $? "Did not match on correct filter after rehash"
|
|
|
|
tc filter del dev $h2 ingress protocol ipv6 pref 3 handle 103 flower
|
|
tc filter del dev $h2 ingress protocol ipv6 pref 2 handle 102 flower
|
|
tc filter del dev $h2 ingress protocol ipv6 pref 1 handle 101 flower
|
|
|
|
declare batch=""
|
|
for i in {1..5000}; do
|
|
test_rule_del $h2 $tcflags $i
|
|
done
|
|
echo -e $batch | tc -b -
|
|
|
|
log_test "delta massive IPv6 rehash test ($tcflags)"
|
|
}
|
|
|
|
bloom_simple_test()
|
|
{
|
|
# Bloom filter requires that the eRP table is used. This test
|
|
# verifies that Bloom filter is not harming correctness of ACLs.
|
|
# First, make sure that eRP table is used and then set rule patterns
|
|
# which are distant enough and will result skipping a lookup after
|
|
# consulting the Bloom filter. Although some eRP lookups are skipped,
|
|
# the correct filter should be hit.
|
|
|
|
RET=0
|
|
|
|
tc filter add dev $h2 ingress protocol ip pref 1 handle 101 flower \
|
|
$tcflags dst_ip 192.0.2.2 action drop
|
|
tc filter add dev $h2 ingress protocol ip pref 5 handle 104 flower \
|
|
$tcflags dst_ip 198.51.100.2 action drop
|
|
tc filter add dev $h2 ingress protocol ip pref 3 handle 103 flower \
|
|
$tcflags dst_ip 192.0.0.0/8 action drop
|
|
|
|
$MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
|
|
-t ip -q
|
|
|
|
tc_check_packets "dev $h2 ingress" 101 1
|
|
check_err $? "Two filters - did not match highest priority"
|
|
|
|
$MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 198.51.100.1 -B 198.51.100.2 \
|
|
-t ip -q
|
|
|
|
tc_check_packets "dev $h2 ingress" 104 1
|
|
check_err $? "Single filter - did not match"
|
|
|
|
tc filter del dev $h2 ingress protocol ip pref 1 handle 101 flower
|
|
|
|
$MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
|
|
-t ip -q
|
|
|
|
tc_check_packets "dev $h2 ingress" 103 1
|
|
check_err $? "Low prio filter - did not match"
|
|
|
|
tc filter add dev $h2 ingress protocol ip pref 2 handle 102 flower \
|
|
$tcflags dst_ip 198.0.0.0/8 action drop
|
|
|
|
$MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 198.51.100.1 -B 198.51.100.2 \
|
|
-t ip -q
|
|
|
|
tc_check_packets "dev $h2 ingress" 102 1
|
|
check_err $? "Two filters - did not match highest priority after add"
|
|
|
|
tc filter del dev $h2 ingress protocol ip pref 3 handle 103 flower
|
|
tc filter del dev $h2 ingress protocol ip pref 2 handle 102 flower
|
|
tc filter del dev $h2 ingress protocol ip pref 5 handle 104 flower
|
|
|
|
log_test "bloom simple test ($tcflags)"
|
|
}
|
|
|
|
bloom_complex_test()
|
|
{
|
|
# Bloom filter index computation is affected from region ID, eRP
|
|
# ID and from the region key size. In order to excercise those parts
|
|
# of the Bloom filter code, use a series of regions, each with a
|
|
# different key size and send packet that should hit all of them.
|
|
local index
|
|
|
|
RET=0
|
|
NUM_CHAINS=4
|
|
BASE_INDEX=100
|
|
|
|
# Create chain with up to 2 key blocks (ip_proto only)
|
|
tc chain add dev $h2 ingress chain 1 protocol ip flower \
|
|
ip_proto tcp &> /dev/null
|
|
# Create chain with 2-4 key blocks (ip_proto, src MAC)
|
|
tc chain add dev $h2 ingress chain 2 protocol ip flower \
|
|
ip_proto tcp \
|
|
src_mac 00:00:00:00:00:00/FF:FF:FF:FF:FF:FF &> /dev/null
|
|
# Create chain with 4-8 key blocks (ip_proto, src & dst MAC, IPv4 dest)
|
|
tc chain add dev $h2 ingress chain 3 protocol ip flower \
|
|
ip_proto tcp \
|
|
dst_mac 00:00:00:00:00:00/FF:FF:FF:FF:FF:FF \
|
|
src_mac 00:00:00:00:00:00/FF:FF:FF:FF:FF:FF \
|
|
dst_ip 0.0.0.0/32 &> /dev/null
|
|
# Default chain contains all fields and therefore is 8-12 key blocks
|
|
tc chain add dev $h2 ingress chain 4
|
|
|
|
# We need at least 2 rules in every region to have eRP table active
|
|
# so create a dummy rule per chain using a different pattern
|
|
for i in $(eval echo {0..$NUM_CHAINS}); do
|
|
index=$((BASE_INDEX - 1 - i))
|
|
tc filter add dev $h2 ingress chain $i protocol ip \
|
|
pref 2 handle $index flower \
|
|
$tcflags ip_proto tcp action drop
|
|
done
|
|
|
|
# Add rules to test Bloom filter, each in a different chain
|
|
index=$BASE_INDEX
|
|
tc filter add dev $h2 ingress protocol ip \
|
|
pref 1 handle $((++index)) flower \
|
|
$tcflags dst_ip 192.0.0.0/16 action goto chain 1
|
|
tc filter add dev $h2 ingress chain 1 protocol ip \
|
|
pref 1 handle $((++index)) flower \
|
|
$tcflags action goto chain 2
|
|
tc filter add dev $h2 ingress chain 2 protocol ip \
|
|
pref 1 handle $((++index)) flower \
|
|
$tcflags src_mac $h1mac action goto chain 3
|
|
tc filter add dev $h2 ingress chain 3 protocol ip \
|
|
pref 1 handle $((++index)) flower \
|
|
$tcflags dst_ip 192.0.0.0/8 action goto chain 4
|
|
tc filter add dev $h2 ingress chain 4 protocol ip \
|
|
pref 1 handle $((++index)) flower \
|
|
$tcflags src_ip 192.0.2.0/24 action drop
|
|
|
|
# Send a packet that is supposed to hit all chains
|
|
$MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
|
|
-t ip -q
|
|
|
|
for i in $(eval echo {0..$NUM_CHAINS}); do
|
|
index=$((BASE_INDEX + i + 1))
|
|
tc_check_packets "dev $h2 ingress" $index 1
|
|
check_err $? "Did not match chain $i"
|
|
done
|
|
|
|
# Rules cleanup
|
|
for i in $(eval echo {$NUM_CHAINS..0}); do
|
|
index=$((BASE_INDEX - i - 1))
|
|
tc filter del dev $h2 ingress chain $i \
|
|
pref 2 handle $index flower
|
|
index=$((BASE_INDEX + i + 1))
|
|
tc filter del dev $h2 ingress chain $i \
|
|
pref 1 handle $index flower
|
|
done
|
|
|
|
# Chains cleanup
|
|
for i in $(eval echo {$NUM_CHAINS..1}); do
|
|
tc chain del dev $h2 ingress chain $i
|
|
done
|
|
|
|
log_test "bloom complex test ($tcflags)"
|
|
}
|
|
|
|
|
|
bloom_delta_test()
|
|
{
|
|
# When multiple masks are used, the eRP table is activated. When
|
|
# masks are close enough (delta) the masks reside on the same
|
|
# eRP table. This test verifies that the eRP table is correctly
|
|
# allocated and used in delta condition and that Bloom filter is
|
|
# still functional with delta.
|
|
|
|
RET=0
|
|
|
|
tc filter add dev $h2 ingress protocol ip pref 3 handle 103 flower \
|
|
$tcflags dst_ip 192.1.0.0/16 action drop
|
|
|
|
$MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.1.2.1 -B 192.1.2.2 \
|
|
-t ip -q
|
|
|
|
tc_check_packets "dev $h2 ingress" 103 1
|
|
check_err $? "Single filter - did not match"
|
|
|
|
tc filter add dev $h2 ingress protocol ip pref 2 handle 102 flower \
|
|
$tcflags dst_ip 192.2.1.0/24 action drop
|
|
|
|
$MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.2.1.1 -B 192.2.1.2 \
|
|
-t ip -q
|
|
|
|
tc_check_packets "dev $h2 ingress" 102 1
|
|
check_err $? "Delta filters - did not match second filter"
|
|
|
|
tc filter del dev $h2 ingress protocol ip pref 3 handle 103 flower
|
|
tc filter del dev $h2 ingress protocol ip pref 2 handle 102 flower
|
|
|
|
log_test "bloom delta test ($tcflags)"
|
|
}
|
|
|
|
setup_prepare()
|
|
{
|
|
h1=${NETIFS[p1]}
|
|
h2=${NETIFS[p2]}
|
|
h1mac=$(mac_get $h1)
|
|
h2mac=$(mac_get $h2)
|
|
|
|
vrf_prepare
|
|
|
|
h1_create
|
|
h2_create
|
|
}
|
|
|
|
cleanup()
|
|
{
|
|
pre_cleanup
|
|
|
|
h2_destroy
|
|
h1_destroy
|
|
|
|
vrf_cleanup
|
|
}
|
|
|
|
trap cleanup EXIT
|
|
|
|
setup_prepare
|
|
setup_wait
|
|
|
|
tests_run
|
|
|
|
if ! tc_offload_check; then
|
|
check_err 1 "Could not test offloaded functionality"
|
|
log_test "mlxsw-specific tests for tc flower"
|
|
exit
|
|
else
|
|
tcflags="skip_sw"
|
|
tests_run
|
|
fi
|
|
|
|
exit $EXIT_STATUS
|