#!/bin/bash
###############################################################################
#
# fcoe_debug: print debugging information for fcoe
#         $1: interface
###############################################################################

if [ -z $1 ]; then
    echo "Usage: `basename $0` eth[0-9]"
    exit 1;
fi

DEVICE=$1

if [ -r /proc/net/vlan/$DEVICE ] ; then
	PHYSDEV=$(grep '^Device:' /proc/net/vlan/$DEVICE | awk '{print $2}')
else
	PHYSDEV=$DEVICE
fi

kernel_info()
{
	echo -e "\n###KERNEL INFO###"
	uname -a

	if [ -f "/proc/config.gz" ]
	then
		echo -e "\nzcat /proc/config.gz"
		zcat /proc/config.gz
	else
		echo -e "\n/proc/config.gz does not exist."
	fi
}

system_info()
{
	echo -e "\n###System Info###"

	echo -e "#date"
	date

	echo -e "#ps axf"
	ps axf

	echo -e "#lsscsi"
	lsscsi

	echo -e "#lspci"
	lspci

	echo -e "#grep dcbnl_init /proc/kallsyms"
	grep dcbnl_init /proc/kallsyms

	echo -e "#grep scsi_transport_fc /proc/kallsyms"
	grep scsi_transport_fc /proc/kallsyms

	echo -e "#grep libfc /proc/kallsyms"
	grep libfc /proc/kallsyms | grep -v libfcoe

	echo -e "#grep libfcoe /proc/kallsyms"
	grep libfcoe /proc/kallsyms

	echo -e "#grep fcoe /proc/kallsyms"
	grep fcoe /proc/kallsyms | grep -v libfcoe

	echo -e "#lsmod"
	lsmod
}

adapter_info()
{
	if [ $DEVICE != $PHYSDEV ]
	then
		echo -e "\n###Adapter INFO VLAN $DEVICE"
		echo -e "#ethtool:"
		ethtool $DEVICE
		echo -e "#ethtool interface:"
		ethtool -i $DEVICE
		echo -e "#ethtool offloads:"
		ethtool -k $DEVICE
		echo -e "#ifconfig:"
		ifconfig $DEVICE
	fi

	echo -e "\n###Adapter INFO $PHYSDEV"
	echo -e "#ethtool:"
	ethtool $PHYSDEV
	echo -e "#ethtool interface:"
	ethtool -i $PHYSDEV
	echo -e "#ethtool pause:"
	ethtool -a $PHYSDEV
	echo -e "#ethtool offloads:"
	ethtool -k $PHYSDEV
	echo -e "#ethtool stats:"
	ethtool -S $PHYSDEV
	echo -e "#ifconfig:"
	ifconfig $PHYSDEV
}

dcbtool_info()
{
	echo -e "\n#### Showing dcbtool info for $PHYSDEV"
	dcbtool -v
	dcbtool gc $PHYSDEV dcb
	echo -e "\n########## Getting dcb config for $PHYSDEV"
	dcbtool gc $PHYSDEV pg
	echo
	dcbtool gc $PHYSDEV pfc
	echo
	dcbtool gc $PHYSDEV app:0
	echo
	dcbtool gc $PHYSDEV ll:0
	echo -e "\n########## Getting dcb oper for $PHYSDEV"
	dcbtool go $PHYSDEV pg
	echo
	dcbtool go $PHYSDEV pfc
	echo
	dcbtool go $PHYSDEV app:0
	echo
	dcbtool go $PHYSDEV ll:0
	echo -e "\n########## Getting dcb peer for $PHYSDEV"
	dcbtool gp $PHYSDEV pg
	echo
	dcbtool gp $PHYSDEV pfc
	echo
	dcbtool gp $PHYSDEV app:0
	echo
	dcbtool gp $PHYSDEV ll:0
}

lldptool_info()
{
    echo -e "\n#### Showing lldptool info for $PHYSDEV"
    lldptool -v

    echo -e "\n########## Showing last received TLV for $PHYSDEV"
    lldptool -t -i $PHYSDEV -n

    echo -e "\n########## Showing last sent TLV for $PHYSDEV"
    lldptool -t -i $PHYSDEV

    echo -e "\n########## Showing configured APP TLV for $PHYSDEV"
    lldptool -t -i $PHYSDEV -V APP -c

    echo -e "\n########## Showing configured PFC TLV for $PHYSDEV"
    lldptool -t -i $PHYSDEV -V PFC -c

    echo -e "\n########## Showing configured ETS-CFG TLV for $PHYSDEV"
    lldptool -t -i $PHYSDEV -V ETS-CFG -c

    echo -e "\n########## Showing configured ETS-REC TLV for $PHYSDEV"
    lldptool -t -i $PHYSDEV -V ETS-REC -c
}

dcb_info()
{
	echo -e "\n###DCB INFO"
	echo -e "#tc config"
	tc qdisc
	tc filter show dev $PHYSDEV | grep -v filter

	## Intentionally allow both services status to show
	## even though they should be mutually exclusive. If
	## you see both in a dump you know there's a problem.
	[ -f /etc/init.d/boot.lldpad ] &&
	echo -e "#service boot.lldpad status:" &&
	service boot.lldpad status
	[ -f /etc/init.d/lldpad ] &&
	echo -e "#service lldpad status:" &&
	service lldpad status

	which dcbtool 2>&1 > /dev/null
	[ $? -eq 0 ] && dcbtool_info

	which lldptool 2>&1 > /dev/null
	[ $? -eq 0 ] && lldptool_info
}

fcoe_info()
{
	echo -e "\n###FCOE Info"

	## Intentionally allow both services status to show
	## even though they should be mutually exclusive. If
	## you see both in a dump you know there's a problem.
	[ -f /etc/init.d/boot.fcoe ] &&
	echo -e "#service boot.fcoe status" &&
	service boot.fcoe status
	[ -f /etc/init.d/fcoe ] &&
	echo -e "#service fcoe status" &&
	service fcoe status

	echo -e "#fcoeadm output "
	fcoeadm -v
	echo -e "#fcoeadm -i "
	fcoeadm -i
	echo -e "#fcoeadm -t "
	fcoeadm -t

	# Trigger fcoemon to dump its internal structures
	# to the log file that we will capture later in
	# this script.
	kill -10 `pidof fcoemon`
}

bsg_info()
{
	echo -e "\n###BSG Info"
	echo -e "#find /dev/bsg/"
	find /dev/bsg/ 2>&1
}

sysfs_dump()
{
	echo -e "\n###SYSFS dump"
	echo -e "#sysfs fc_host dump"
	find /sys/class/fc_host/host*/ -type f -print -exec cat '{}' \;
	echo -e "#sysfs fc_transport dump"
	find /sys/class/fc_transport/target*/ -type f -print -exec cat '{}' \;
	echo -e "#sysfs fc_remote_ports dump"
	find /sys/class/fc_remote_ports/*/ -type f -print -exec cat '{}' \;
	echo -e "#sysfs fc_vport dump"
	find /sys/class/fc_vports/*/ -type f -print -exec cat '{}' \;
}

logfile_dump()
{
	echo "###LOGFILES"
	echo "#/var/log/messages"
	cat /var/log/messages
	echo
	echo "#dmesg"
	dmesg
}

fcoe_debug()
{
	kernel_info
	system_info
	adapter_info
	dcb_info
	fcoe_info
	bsg_info
	sysfs_dump
	logfile_dump
}

fcoe_debug