From: Xin Long <lucien....@gmail.com> Date: Thu, 8 Sep 2016 17:54:11 +0800
> From: Marcelo Ricardo Leitner <marcelo.leit...@gmail.com> > > Previously, without GSO, it was easy to identify it: if the chunk didn't > fit and there was no data chunk in the packet yet, we could fragment at > IP level. So if there was an auth chunk and we were bundling a big data > chunk, it would fragment regardless of the size of the auth chunk. This > also works for the context of PMTU reductions. > > But with GSO, we cannot distinguish such PMTU events anymore, as the > packet is allowed to exceed PMTU. > > So we need another check: to ensure that the chunk that we are adding, > actually fits the current PMTU. If it doesn't, trigger a flush and let > it be fragmented at IP level in the next round. > > Signed-off-by: Marcelo Ricardo Leitner <marcelo.leit...@gmail.com> Applied.
