From: Richard Sailer <richard_siegfried@xxxxxxxxxxxx> Date: Wed, 3 Jun 2020 13:10:51 +0200 > This adds support for the SIOCOUTQ IOCTL to get the send buffer fill > of a DCCP socket, like UDP and TCP sockets already have. > > Regarding the used data field: DCCP uses per packet sequence numbers, > not per byte, so sequence numbers can't be used like in TCP. sk_wmem_queued > is not used by DCCP and always 0, even in test on highly congested paths. > Therefore this uses sk_wmem_alloc like in UDP. > > Signed-off-by: Richard Sailer <richard_siegfried@xxxxxxxxxxxx> > --- > v3: whitespace fixes net-next is CLOSED
