From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jakub Kicinski Subject: [PATCH net-next 0/3] xsk: improvements to RX queue check and replace Date: Mon, 30 Jul 2018 20:43:50 -0700 Message-ID: <20180731034353.3774-1-jakub.kicinski@netronome.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Cc: netdev@vger.kernel.org, oss-drivers@netronome.com, bjorn.topel@intel.com, Jakub Kicinski To: davem@davemloft.net, alexei.starovoitov@gmail.com, daniel@iogearbox.net Return-path: Received: from mail-qt0-f193.google.com ([209.85.216.193]:40075 "EHLO mail-qt0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726332AbeGaFW3 (ORCPT ); Tue, 31 Jul 2018 01:22:29 -0400 Received: by mail-qt0-f193.google.com with SMTP id h4-v6so14507851qtj.7 for ; Mon, 30 Jul 2018 20:44:20 -0700 (PDT) Sender: netdev-owner@vger.kernel.org List-ID: Hi! First 3 patches of my recent RFC. The first one make the check against real_num_rx_queues slightly more reliable, while the latter two redefine XDP_QUERY_XSK_UMEM slightly to disallow replacing UMEM in the driver at the stack level. I'm not sure where this lays on the bpf vs net trees scale, but there should be no conflicts with either tree. Jakub Kicinski (3): net: update real_num_rx_queues even when !CONFIG_SYSFS xsk: refactor xdp_umem_assign_dev() xsk: don't allow umem replace at stack level include/linux/netdevice.h | 10 +++--- net/xdp/xdp_umem.c | 70 +++++++++++++++++++++++---------------- 2 files changed, 47 insertions(+), 33 deletions(-) -- 2.17.1