From: Hangbin Liu <liuhang...@gmail.com> Date: Thu, 6 Aug 2020 10:52:41 +0800
> The rough steps are setting vxlan tunnel on OVS. set inner packet tos to > 1011 1010 (0xba) and outer vxlan to 1111 1100(0xfc). The outer packet's tos > should be 0xfe at latest as it inherit the inner ECN bit. But with RT_TOS(tos) > We actually got tos 0x1e as the first 3 bits are omitted. > > Now here is detailed testing steps: This explains why we need to revert the RT_TOS() change. I'm asking what testing you did on the original change that added RT_TOS(), which we reverted, and which didn't fix anything. I want to know how we got into this situation in the first place, adding a change that only added negative effects. Thank you.
