net/mlxsw/pci_reset.sh

2 # SPDX-License-Identifier: GPL-2.0
4 # Test that PCI reset works correctly by verifying that only the expected reset
5 # methods are supported and that after issuing the reset the ifindex of the
14 source $lib_dir/lib.sh
15 source $lib_dir/devlink_lib.sh
21 	local bus=$(echo $DEVLINK_DEV | cut -d '/' -f 1)
22 	local bdf=$(echo $DEVLINK_DEV | cut -d '/' -f 2)
26 		log_test "pci reset"
30 	if [ ! -f /sys/bus/pci/devices/$bdf/reset_method ]; then
31 		check_err 1 "reset is not supported"
32 		log_test "pci reset"
37 	check_err $? "only \"bus\" reset method should be supported"
39 	local ifindex_pre=$(ip -j link show dev $swp1 | jq '.[]["ifindex"]')
41 	echo 1 > /sys/bus/pci/devices/$bdf/reset
42 	check_err $? "reset failed"
47 	local ifindex_post=$(ip -j link show dev $swp1 | jq '.[]["ifindex"]')
50 	check_err $? "reset not performed"
52 	log_test "pci reset"