On 12/11/18 11:46 AM, Jarod Wilson wrote:
> This is a helper script that Red Hat had previously been including in it's
> ibutils package, which is no more, with the retirement of ibutils and
> ibutils2 being proprietary to Mellanox now. This script still has use, and
> needs a better home, so we'd like to add it to rdma-core's redhat/
> directory -- if not somewhere more generic, should other distros wish to
> make use of it as well.
Why not tell users to use rdma tool (iproute2)?
$ rdma link
1/1: mlx5_0/1: state ACTIVE physical_state LINK_UP netdev ens1f0
2/1: mlx5_1/1: state ACTIVE physical_state LINK_UP netdev ens1f1
4/1: mlx5_3/1: state ACTIVE physical_state LINK_UP netdev ens4f1
5/1: mlx5_4/1: state DOWN physical_state DISABLED netdev ens5f0
6/1: mlx5_5/1: state DOWN physical_state DISABLED netdev ens5f1
11/1: mlx5_2/1: state DOWN physical_state DISABLED netdev eth0_65534
12/1: mlx5_6/1: state DOWN physical_state DISABLED netdev eth1
13/1: mlx5_7/1: state DOWN physical_state DISABLED netdev ens4f2
Mark
>
> CC: Doug Ledford <dledford@xxxxxxxxxx>
> CC: Honggang Li <honli@xxxxxxxxxx>
> Signed-off-by: Jarod Wilson <jarod@xxxxxxxxxx>
> ---
> (Note: this version is somewhat reorganized and reformatted vs. what Red Hat
> has been shipping in it's old ibutils package, due to a strong distaste I
> have for 8-space-wide tab indents for shell scripts with several levels of
> indenting required.)
>
> redhat/ibdev2netdev | 197 ++++++++++++++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 197 insertions(+)
> create mode 100644 redhat/ibdev2netdev
>
> diff --git a/redhat/ibdev2netdev b/redhat/ibdev2netdev
> new file mode 100644
> index 00000000..3fbc04cb
> --- /dev/null
> +++ b/redhat/ibdev2netdev
> @@ -0,0 +1,197 @@
> +#! /bin/bash
> +
> +usage()
> +{
> + echo "$(basename $0) <options>"
> + echo "-h, --help print help message"
> + echo "-v, --verbose print more info"
> +}
> +
> +case $1 in
> + "-h" | "--help")
> + usage
> + exit 0
> + ;;
> +esac
> +
> +if (( $# > 1 )); then
> + usage
> + exit -1
> +fi
> +
> +if (( $# == 1 )) && [ "$1" != "-v" ]; then
> + usage
> + exit -1
> +fi
> +
> +ibdevs=$(ls /sys/class/infiniband/)
> +
> +devs=$(ls /sys/class/net/ | grep ^[ei])
> +if [ "x$devs" == "x" ]; then
> + # no relevant devices - quit immediately
> + exit
> +fi
> +
> +for d in $devs; do
> + if [ -f /sys/class/net/$d/dev_id ]; then
> + oldstyle=n
> + break
> + fi
> +done
> +
> +function print_line()
> +{
> + echo "$1 port $2 <===> $3"
> +}
> +
> +function find_guid()
> +{
> + ibdevs=$(ls /sys/class/infiniband/)
> + for ibdev in $ibdevs; do
> + ports=$(ls /sys/class/infiniband/$ibdev/ports/)
> + for port in $ports; do
> + gids=$(ls /sys/class/infiniband/$ibdev/ports/$port/gids)
> + for gid in $gids; do
> + pguid=$(cat /sys/class/infiniband/$ibdev/ports/$port/gids/$gid | cut -b 21- | sed -e 's/://g')
> + if [ x$pguid == x$1 ]; then
> + print_line $ibdev $port $2
> + fi
> + done
> + done
> + done
> +}
> +
> +function find_mac()
> +{
> + ibdevs=$(ls /sys/class/infiniband/)
> + for ibdev in $ibdevs; do
> + type=$(cat /sys/class/infiniband/$ibdev/node_type|cut -d ' ' -f 2)
> + ports=$(ls /sys/class/infiniband/$ibdev/ports/)
> + for port in $ports; do
> + gids=$(ls /sys/class/infiniband/$ibdev/ports/$port/gids)
> + for gid in $gids; do
> + if [[ "$type" = "RNIC" ]]; then
> + pmac=$(cat /sys/class/infiniband/$ibdev/ports/$port/gids/$gid | cut -b 1-14|sed -e 's/://g')
> + else
> + first=$(cat /sys/class/infiniband/$ibdev/ports/$port/gids/$gid | cut -b 21-22)
> + first=$(( first ^ 2 ))
> + first=$(printf "%02x" $first)
> + second=$(cat /sys/class/infiniband/$ibdev/ports/$port/gids/$gid | cut -b 21- | sed -e 's/://g' | cut -b 3-6)
> + third=$(cat /sys/class/infiniband/$ibdev/ports/$port/gids/$gid | cut -b 21- | sed -e 's/://g' | cut -b 11-)
> + pmac=$first$second$third
> + fi
> + if [ x$pmac == x$1 ]; then
> + print_line $ibdev $port $2
> + fi
> + done
> + done
> + done
> +}
> +
> +if [ "x$oldstyle" == "xn" ]; then
> + for d in $ibdevs; do
> + ibrsc=$(cat /sys/class/infiniband/$d/device/resource)
> + eths=$(ls /sys/class/net/)
> + for eth in $eths; do
> + filepath_resource=/sys/class/net/$eth/device/resource
> +
> + if [ -f $filepath_resource ]; then
> + ethrsc=$(cat $filepath_resource)
> + if [ "x$ethrsc" == "x$ibrsc" ]; then
> + filepath_devid=/sys/class/net/$eth/dev_id
> + filepath_devport=/sys/class/net/$eth/dev_port
> + if [ -f $filepath_devid ]; then
> + port1=0
> + if [ -f $filepath_devport ]; then
> + port1=$(cat $filepath_devport)
> + port1=$(printf "%d" $port1)
> + fi
> +
> + port=$(cat $filepath_devid)
> + port=$(printf "%d" $port)
> + if [ $port1 -gt $port ]; then
> + port=$port1
> + fi
> +
> + port=$(( port + 1 ))
> +
> + filepath_carrier=/sys/class/net/$eth/carrier
> +
> + if [ -f $filepath_carrier ]; then
> + link_state=$(cat $filepath_carrier 2> /dev/null)
> + if (( link_state == 1 )); then
> + link_state="Up"
> + else
> + link_state="Down"
> + fi
> + else
> + link_state="NA"
> + fi
> +
> + if [ "$1" == "-v" ]; then
> + filepath_portstate=/sys/class/infiniband/$d/ports/$port/state
> + filepath_deviceid=/sys/class/infiniband/$d/device/device
> + filepath_fwver=/sys/class/infiniband/$d/fw_ver
> + filepath_vpd=/sys/class/infiniband/$d/device/vpd
> +
> + # read port state
> + if [ -f $filepath_portstate ]; then
> + ibstate=$(printf "%-6s" $(cat $filepath_portstate | gawk '{print $2}'))
> + else
> + ibstate="na"
> + fi
> +
> + # read device
> + if [ -f $filepath_deviceid ]; then
> + devid=$(printf "mt%d" $(cat $filepath_deviceid))
> + else
> + devid="na"
> + fi
> +
> + # read fw version
> + if [ -f $filepath_fwver ]; then
> + fwver=$(cat $filepath_fwver)
> + else
> + fwver="na"
> + fi
> +
> + # read device description and part id from the vpd
> + if [ -f $filepath_vpd ]; then
> + tmp=$ifs
> + ifs=":"
> + vpd_content=`cat $filepath_vpd`
> + devdesc=$(printf "%-15s" $(echo $vpd_content | strings | head -1))
> + partid=$(printf "%-11s" $(echo $vpd_content | strings | head -4 | tail -1 | gawk '{print $1}'))
> + ifs=$tmp
> + else
> + devdesc=""
> + partid="na"
> + fi
> +
> + echo "$d ($devid - $partid) $devdesc fw $fwver port $port ($ibstate) ==> $eth ($link_state)"
> + else
> + echo "$d port $port ==> $eth ($link_state)"
> + fi
> + fi
> + fi
> + fi
> + done
> + done
> +else
> +##########################
> +### old style
> +##########################
> + ifcs=$(ifconfig -a | egrep '^eth|^ib' | gawk '{print $1}')
> +
> + for ifc in $ifcs; do
> + len=$(cat /sys/class/net/$ifc/addr_len)
> + if (( len == 20 )); then
> + guid=$(cat /sys/class/net/$ifc/address | cut -b 37- | sed -e 's/://g')
> + find_guid $guid $ifc
> + elif (( len == 6)); then
> + mac=$(cat /sys/class/net/$ifc/address | sed -e 's/://g')
> + find_mac $mac $ifc
> + fi
> + done
> +fi
> +
>
