Breno Leitao <leitao@xxxxxxxxxx> writes: > Add support for getsockopt command (SOCKET_URING_OP_GETSOCKOPT), where > level is SOL_SOCKET. This is leveraging the sockptr_t infrastructure, > where a sockptr_t is either userspace or kernel space, and handled as > such. > > Differently from the getsockopt(2), the optlen field is not a userspace > pointers. In getsockopt(2), userspace provides optlen pointer, which is > overwritten by the kernel. In this implementation, userspace passes a > u32, and the new value is returned in cqe->res. I.e., optlen is not a > pointer. > > Important to say that userspace needs to keep the pointer alive until > the CQE is completed. > > Signed-off-by: Breno Leitao <leitao@xxxxxxxxxx> IMO, this looks much cleaner with most of the bpf and socket logic under net/. Reviewed-by: Gabriel Krisman Bertazi <krisman@xxxxxxx> Thanks! -- Gabriel Krisman Bertazi
