On Thu, Aug 30, 2018 at 09:58:17AM -0300, Thadeu Lima de Souza Cascardo wrote:
> Before commit d6990976af7c5d8f55903bfb4289b6fb030bf754 ("vti6: fix PMTU
> caching
> and reporting on xmit"), skb was scrubbed before checking for ignore_df. The
> scrubbing meant ignore_df was false, making the check
Before commit d6990976af7c5d8f55903bfb4289b6fb030bf754 ("vti6: fix PMTU caching
and reporting on xmit"), skb was scrubbed before checking for ignore_df. The
scrubbing meant ignore_df was false, making the check irrelevant. Now that the
scrubbing happens after that, some packets might fail the check