From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jakub Kicinski Subject: [PATCH net-next 0/5] nfp: DMA flags, adjust head and fixes Date: Fri, 21 Apr 2017 07:20:47 -0700 Message-ID: <20170421142052.107388-1-jakub.kicinski@netronome.com> Cc: oss-drivers@netronome.com, kubakici@wp.pl, Jakub Kicinski To: netdev@vger.kernel.org Return-path: Received: from mail-yb0-f172.google.com ([209.85.213.172]:34756 "EHLO mail-yb0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1161661AbdDUOXH (ORCPT ); Fri, 21 Apr 2017 10:23:07 -0400 Received: by mail-yb0-f172.google.com with SMTP id 11so40438943ybw.1 for ; Fri, 21 Apr 2017 07:23:07 -0700 (PDT) Sender: netdev-owner@vger.kernel.org List-ID: Hi! This series takes advantage of Alex's DMA_ATTR_SKIP_CPU_SYNC to make XDP packet modifications "correct" from DMA API point of view. It also allows us to parse the metadata before we run XDP at no additional DMA sync cost. That way we can get rid of the metadata memcpy, and remove the last upstream user of bpf_prog->xdp_adjust_head. David's patch adds a way to read capabilities from the management firmware. There are also two net-next fixes. Patch 4 which fixes what seems to be a result of a botched rebase on my part. Patch 5 corrects locking when state of ethernet ports is being refreshed. David Brunecz (1): nfp: add NSP routine to get static information Jakub Kicinski (4): nfp: make use of the DMA_ATTR_SKIP_CPU_SYNC flag nfp: parse metadata prepend before XDP runs nfp: fix free list buffer size reporting nfp: remove the refresh of all ports optimization drivers/net/ethernet/netronome/nfp/Makefile | 1 + drivers/net/ethernet/netronome/nfp/nfp_main.c | 7 ++ drivers/net/ethernet/netronome/nfp/nfp_net.h | 9 +- .../net/ethernet/netronome/nfp/nfp_net_common.c | 115 +++++++++++---------- .../net/ethernet/netronome/nfp/nfp_net_ethtool.c | 13 ++- drivers/net/ethernet/netronome/nfp/nfp_net_main.c | 67 ++++++++---- drivers/net/ethernet/netronome/nfp/nfpcore/nfp.h | 1 + .../net/ethernet/netronome/nfp/nfpcore/nfp_nsp.c | 7 ++ .../net/ethernet/netronome/nfp/nfpcore/nfp_nsp.h | 24 +++++ .../ethernet/netronome/nfp/nfpcore/nfp_nsp_cmds.c | 89 ++++++++++++++++ 10 files changed, 255 insertions(+), 78 deletions(-) create mode 100644 drivers/net/ethernet/netronome/nfp/nfpcore/nfp_nsp_cmds.c -- 2.11.0