Re: [PATCH net-next v5] net: dccp: Add SIOCOUTQ IOCTL support (send buffer fill)
David Miller <[email protected]>
| Newsgroups | org.kernel.vger.dccp,org.kernel.vger.netdev |
|---|---|
| Message-ID | <[email protected]> |
From: Richard Sailer <[email protected]> Date: Mon, 20 Jul 2020 18:06:14 +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 <[email protected]> > --- > v5: More infos into dccp.rst, +empty line after declarations Applied, but I wonder if you'll also need something like tcp's SIOCOUTQNSD?