27.05.2020, 20:03, "Martin KaFai Lau" <kafai@xxxxxx>: > On Wed, May 27, 2020 at 06:05:43PM +0300, Dmitry Yakunin wrote: >> This patch adds support of SO_KEEPALIVE flag and TCP related options >> to bpf_setsockopt() routine. This is helpful if we want to enable or tune >> TCP keepalive for applications which don't do it in the userspace code. >> In order to avoid copy-paste, common code from classic setsockopt was moved >> to auxiliary functions in the headers. > > Thanks for refatoring some of the pieces. I suspect some more can be done. > In the long run, I don't think this copy-and-paste is scalable. > For most of the options (integer value and do not need ns_capable()), > do_tcp_setsockopt() and sock_setsockopt() can be directly called with > some refactoring. > > The change looks good. For this patch, > > Acked-by: Martin KaFai Lau <kafai@xxxxxx> Thanks for your comment, Martin. I agree with you, bpf_setsockopt and older setsockopts should be refactored to use common code. I'll keep this in mind if i want to add new options.