/usr/sbin/ibstatus is in infiniband-diags 1.6.1-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 | #!/bin/bash
# Usage ibstatus [devname[:port]]
infiniband_base="/sys/class/infiniband"
def_ibdev="mthca0"
usage() {
	prog=`basename $0`
	echo "Usage: " $prog " [-h] [devname[:portnum]]"
	echo "	-h:	this help screen"
	echo "	Examples:"
	echo "		$prog mthca1		# shows status of all ports of 'mthca1'"
	echo "		$prog mthca0:2	# shows status port number 2 of 'mthca0'"
	echo "		$prog		# default: shows status of all '$def_ibdev' ports"
	exit -1
}
fatal() {
	echo "Fatal error: " $*
	exit -1
}
port_status() {
	port_dir="$infiniband_base/$1/ports/$2"
	echo "Infiniband device '$1' port $2 status:"
	echo "	default gid:	" `[ -r $port_dir/gids/0 ] && cat $port_dir/gids/0 || echo unknown`
	echo "	base lid:	" `[ -r $port_dir/lid ] && cat $port_dir/lid || echo unknown`
	echo "	sm lid:		" `[ -r $port_dir/sm_lid ] && cat $port_dir/sm_lid || echo unknown`
	echo "	state:		" `[ -r $port_dir/state ] && cat $port_dir/state || echo unknown`
	echo "	phys state:	" `[ -r $port_dir/phys_state ] && cat $port_dir/phys_state || echo unknown`
	echo "	rate:		" `[ -r $port_dir/rate ] && cat $port_dir/rate || echo unknown`
	echo "	link_layer:	" `[ -r $port_dir/link_layer ] && cat $port_dir/link_layer || echo IB`
	echo
}
ib_status() {
	ports_dir="$infiniband_base/$1/ports"
	if ! [ -d "$ports_dir" ]; then
		fatal "device '$1': sys files not found ($ports_dir)"
	fi
	if [ "$2" = "+" ]; then
		ports=`(cd "$infiniband_base/$1/ports" 2>/dev/null || fatal No devices; echo *)`
	else
		ports=$2
	fi
	for i in $ports; do
		port_status $1 $i
	done
}
if [ "$1" = "-h" ]; then
	usage
fi
if [ -z "$1" ]; then
	cd $infiniband_base 2>/dev/null || fatal No devices
	for dev in *; do
		ib_status $dev "+";
	done
	exit 0
fi
while [ "$1" ]; do
	dev=`echo $1 | sed 's/:.*$//'`
	port=`echo $1 | sed 's/^.*://'`
	if [ "$port" = "$dev" ]; then
		port="+"
	fi
	ib_status $dev $port
	shift
done
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