Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> writes: > On Tue, Apr 16, 2019 at 11:39:56AM +0200, Johannes Berg wrote: >> >> > not to mention >> > breaking certain applications that rely on congestion feedback? >> >> This I don't understand. The congestion feedback happens through socket >> buffer space etc. which is still there (as long as nobody sneaks in an >> skb_orphan() call) > > The congestion control happens at two levels. You are right that the > socket buffer acts as one limit. However, other applications may also > rely on the TX queue being full as the throttle (by setting a > sufficiently large socket buffer size). Do you happen to have an example of an application that does this that could be used for testing? :) -Toke
