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authorDmytro Linkin <dlinkin@nvidia.com>2021-06-02 15:17:24 +0300
committerDavid S. Miller <davem@davemloft.net>2021-06-03 00:08:37 +0300
commit31f0723336063f20ce81cc16ca4775979ff0a26b (patch)
tree6cec300bdf83616805f504855b501e8ecc7e7246
parent605c4f8f199b8374cf01624822aa0b5f2c09d1c7 (diff)
downloadlinux-31f0723336063f20ce81cc16ca4775979ff0a26b.tar.xz
selftest: netdevsim: Add devlink port shared/max tx rate test
Test verifies that netdevsim VFs can set and retrieve shared/max tx rate through new devlink API. Co-developed-by: Vlad Buslov <vladbu@nvidia.com> Signed-off-by: Vlad Buslov <vladbu@nvidia.com> Signed-off-by: Dmytro Linkin <dlinkin@nvidia.com> Reviewed-by: Jiri Pirko <jiri@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rwxr-xr-xtools/testing/selftests/drivers/net/netdevsim/devlink.sh55
1 files changed, 55 insertions, 0 deletions
diff --git a/tools/testing/selftests/drivers/net/netdevsim/devlink.sh b/tools/testing/selftests/drivers/net/netdevsim/devlink.sh
index c654be0e8300..05dcefc054d1 100755
--- a/tools/testing/selftests/drivers/net/netdevsim/devlink.sh
+++ b/tools/testing/selftests/drivers/net/netdevsim/devlink.sh
@@ -516,6 +516,45 @@ rate_leafs_get()
'.[] | to_entries | .[] | select(.value.type == "leaf") | .key | select(contains("'$handle'"))'
}
+rate_attr_set()
+{
+ local handle=$1
+ local name=$2
+ local value=$3
+ local units=$4
+
+ devlink port function rate set $handle $name $value$units
+}
+
+rate_attr_get()
+{
+ local handle=$1
+ local name=$2
+
+ cmd_jq "devlink port function rate show $handle -j" '.[][].'$name
+}
+
+rate_attr_tx_rate_check()
+{
+ local handle=$1
+ local name=$2
+ local rate=$3
+ local debug_file=$4
+
+ rate_attr_set $handle $name $rate mbit
+ check_err $? "Failed to set $name value"
+
+ local debug_value=$(cat $debug_file)
+ check_err $? "Failed to read $name value from debugfs"
+ [ "$debug_value" == "$rate" ]
+ check_err $? "Unexpected $name debug value $debug_value != $rate"
+
+ local api_value=$(( $(rate_attr_get $handle $name) * 8 / 1000000 ))
+ check_err $? "Failed to get $name attr value"
+ [ "$api_value" == "$rate" ]
+ check_err $? "Unexpected $name attr value $api_value != $rate"
+}
+
rate_test()
{
RET=0
@@ -527,6 +566,22 @@ rate_test()
[ "$num_leafs" == "$VF_COUNT" ]
check_err $? "Expected $VF_COUNT rate leafs but got $num_leafs"
+ rate=10
+ for r_obj in $leafs
+ do
+ rate_attr_tx_rate_check $r_obj tx_share $rate \
+ $DEBUGFS_DIR/ports/${r_obj##*/}/tx_share
+ rate=$(($rate+10))
+ done
+
+ rate=100
+ for r_obj in $leafs
+ do
+ rate_attr_tx_rate_check $r_obj tx_max $rate \
+ $DEBUGFS_DIR/ports/${r_obj##*/}/tx_max
+ rate=$(($rate+100))
+ done
+
log_test "rate test"
}