1*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0-only 2*4882a593Smuzhiyunconfig DCB 3*4882a593Smuzhiyun bool "Data Center Bridging support" 4*4882a593Smuzhiyun default n 5*4882a593Smuzhiyun help 6*4882a593Smuzhiyun This enables support for configuring Data Center Bridging (DCB) 7*4882a593Smuzhiyun features on DCB capable Ethernet adapters via rtnetlink. Say 'Y' 8*4882a593Smuzhiyun if you have a DCB capable Ethernet adapter which supports this 9*4882a593Smuzhiyun interface and you are connected to a DCB capable switch. 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun DCB is a collection of Ethernet enhancements which allow DCB capable 12*4882a593Smuzhiyun NICs and switches to support network traffic with differing 13*4882a593Smuzhiyun requirements (highly reliable, no drops vs. best effort vs. low 14*4882a593Smuzhiyun latency) to co-exist on Ethernet. 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun DCB features include: 17*4882a593Smuzhiyun Enhanced Transmission Selection (aka Priority Grouping) - provides a 18*4882a593Smuzhiyun framework for assigning bandwidth guarantees to traffic classes. 19*4882a593Smuzhiyun Priority-based Flow Control (PFC) - a MAC control pause frame which 20*4882a593Smuzhiyun works at the granularity of the 802.1p priority instead of the 21*4882a593Smuzhiyun link (802.3x). 22*4882a593Smuzhiyun 23*4882a593Smuzhiyun If unsure, say N. 24