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selftests: forwarding: Move multipath_eval() to lib.sh 

This function will be useful for the GRE multipath test that is coming
later.

Signed-off-by: Petr Machata <petrm@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Petr Machata 2018-06-26 02:06:06 +02:00 committed by David S. Miller
parent 3463e51dc3
commit b2c478723c
2 changed files with 39 additions and 39 deletions
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39
tools/testing/selftests/net/forwarding/lib.sh
View File

@ -557,6 +557,45 @@ tests_run()
done
}
multipath_eval()
{
local desc="$1"
local weight_rp12=$2
local weight_rp13=$3
local packets_rp12=$4
local packets_rp13=$5
local weights_ratio packets_ratio diff
RET=0
if [[ "$packets_rp12" -eq "0" || "$packets_rp13" -eq "0" ]]; then
check_err 1 "Packet difference is 0"
log_test "Multipath"
log_info "Expected ratio $weights_ratio"
return
fi
if [[ "$weight_rp12" -gt "$weight_rp13" ]]; then
weights_ratio=$(echo "scale=2; $weight_rp12 / $weight_rp13" \
| bc -l)
packets_ratio=$(echo "scale=2; $packets_rp12 / $packets_rp13" \
| bc -l)
else
weights_ratio=$(echo "scale=2; $weight_rp13 / $weight_rp12" | \
bc -l)
packets_ratio=$(echo "scale=2; $packets_rp13 / $packets_rp12" | \
bc -l)
fi
diff=$(echo $weights_ratio - $packets_ratio | bc -l)
diff=${diff#-}
test "$(echo "$diff / $weights_ratio > 0.15" | bc -l)" -eq 0
check_err $? "Too large discrepancy between expected and measured ratios"
log_test "$desc"
log_info "Expected ratio $weights_ratio Measured ratio $packets_ratio"
}
##############################################################################
# Tests

39
tools/testing/selftests/net/forwarding/router_multipath.sh
View File

@ -159,45 +159,6 @@ router2_destroy()
vrf_destroy "vrf-r2"
}
multipath_eval()
{
local desc="$1"
local weight_rp12=$2
local weight_rp13=$3
local packets_rp12=$4
local packets_rp13=$5
local weights_ratio packets_ratio diff
RET=0
if [[ "$packets_rp12" -eq "0" || "$packets_rp13" -eq "0" ]]; then
check_err 1 "Packet difference is 0"
log_test "Multipath"
log_info "Expected ratio $weights_ratio"
return
fi
if [[ "$weight_rp12" -gt "$weight_rp13" ]]; then
weights_ratio=$(echo "scale=2; $weight_rp12 / $weight_rp13" \
| bc -l)
packets_ratio=$(echo "scale=2; $packets_rp12 / $packets_rp13" \
| bc -l)
else
weights_ratio=$(echo "scale=2; $weight_rp13 / $weight_rp12" | \
bc -l)
packets_ratio=$(echo "scale=2; $packets_rp13 / $packets_rp12" | \
bc -l)
fi
diff=$(echo $weights_ratio - $packets_ratio | bc -l)
diff=${diff#-}
test "$(echo "$diff / $weights_ratio > 0.15" | bc -l)" -eq 0
check_err $? "Too large discrepancy between expected and measured ratios"
log_test "$desc"
log_info "Expected ratio $weights_ratio Measured ratio $packets_ratio"
}
multipath4_test()
{
local desc="$1"