xref: /linux/tools/testing/selftests/net/netdev-l2addr.sh (revision 8be4d31cb8aaeea27bde4b7ddb26e28a89062ebf)
1#!/bin/bash
2# SPDX-License-Identifier: GPL-2.0
3
4source lib.sh
5set -o pipefail
6
7NSIM_ADDR=2025
8TEST_ADDR="d0:be:d0:be:d0:00"
9
10RET_CODE=0
11
12cleanup() {
13    cleanup_netdevsim "$NSIM_ADDR"
14    cleanup_ns "$NS"
15}
16
17trap cleanup EXIT
18
19fail() {
20    echo "ERROR: ${1:-unexpected return code} (ret: $_)" >&2
21    RET_CODE=1
22}
23
24get_addr()
25{
26    local type="$1"
27    local dev="$2"
28    local ns="$3"
29
30    ip -j -n "$ns" link show dev "$dev" | jq -er ".[0].$type"
31}
32
33setup_ns NS
34
35nsim=$(create_netdevsim $NSIM_ADDR "$NS")
36
37get_addr address "$nsim" "$NS" >/dev/null || fail "Couldn't get ether addr"
38get_addr broadcast "$nsim" "$NS" >/dev/null || fail "Couldn't get brd addr"
39get_addr permaddr "$nsim" "$NS" >/dev/null && fail "Found perm_addr without setting it"
40
41ip -n "$NS" link set dev "$nsim" address "$TEST_ADDR"
42ip -n "$NS" link set dev "$nsim" brd "$TEST_ADDR"
43
44[[ "$(get_addr address "$nsim" "$NS")" == "$TEST_ADDR" ]] || fail "Couldn't set ether addr"
45[[ "$(get_addr broadcast "$nsim" "$NS")" == "$TEST_ADDR" ]] || fail "Couldn't set brd addr"
46
47if create_netdevsim_port "$NSIM_ADDR" "$NS" 2 "FF:FF:FF:FF:FF:FF" 2>/dev/null; then
48    fail "Created netdevsim with broadcast permaddr"
49fi
50
51nsim_port=$(create_netdevsim_port "$NSIM_ADDR" "$NS" 2 "$TEST_ADDR")
52
53get_addr address "$nsim_port" "$NS" >/dev/null || fail "Couldn't get ether addr"
54get_addr broadcast "$nsim_port" "$NS" >/dev/null || fail "Couldn't get brd addr"
55[[ "$(get_addr permaddr "$nsim_port" "$NS")" == "$TEST_ADDR" ]] || fail "Couldn't get permaddr"
56
57cleanup_netdevsim "$NSIM_ADDR" "$NS"
58
59exit $RET_CODE
60