netdev - Configure traffic class to bringup DCB in back-to-back setup

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Message-ID: <loom.20160713T110657-740@post.gmane.org>
Date:	Wed, 13 Jul 2016 09:09:06 +0000 (UTC)
From:	ayuj <ayuj.verma@...il.com>
To:	netdev@...r.kernel.org
Subject: Configure traffic class to bringup DCB in back-to-back setup

I just checked TLV's. Below are the details:

OS :- CentOS 7.2
kernel 3.10.0-327.el7.x86_64
lldpad:- lldpad v0.9.46
dcbtool:- v0.9.46
ixgbe :- ixgbe-4.3.15

steps followed:- 

# modporbe ixgbe
# service lldpad start 
    Redirecting to /bin/systemctl start  lldpad.service

# service lldpad status
Redirecting to /bin/systemctl status  lldpad.service
● lldpad.service - Link Layer Discovery Protocol Agent Daemon.
   Loaded: loaded (/usr/lib/systemd/system/lldpad.service; disabled; vendor
preset: disabled)
   Active: active (running) since Tue 2016-07-05 05:49:12 EDT; 1s ago
 Main PID: 133737 (lldpad)
   CGroup: /system.slice/lldpad.service
           └─133737 /usr/sbin/lldpad -t

Jul 05 05:49:12 localhost.localdomain systemd[1]: Started Link Layer
Discovery Protocol Agent Daemon..
Jul 05 05:49:12 localhost.localdomain systemd[1]: Starting Link Layer
Discovery Protocol Agent Daemon....

lldptool -t -i p3p2 -n
Chassis ID TLV
	MAC: 00:1b:21:bb:2e:da
Port ID TLV
	MAC: 00:1b:21:bb:2e:da
Time to Live TLV
	120
IEEE 8021QAZ ETS Configuration TLV
	 Willing: yes
	 CBS: not supported
	 MAX_TCS: 8
	 PRIO_MAP: 0:0 1:0 2:0 3:0 4:0 5:0 6:0 7:0 
	 TC Bandwidth: 0% 0% 0% 0% 0% 0% 0% 0% 
	 TSA_MAP: 0:strict 1:strict 2:strict 3:strict 4:strict 5:strict 6:strict
7:strict 
IEEE 8021QAZ PFC TLV
	 Willing: yes
	 MACsec Bypass Capable: no
	 PFC capable traffic classes: 8
	 PFC enabled: none
End of LLDPDU TLV

Please help me in configuring traffic classes. I want to bringup DCB setup
in a back-to-back senario.