From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Graf Subject: [PATCH 0/2 v3] Open vSwitch zerocopy upcall Date: Fri, 8 Nov 2013 10:15:18 +0100 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: dev-yBygre7rU0TnMu66kgdUjQ@public.gmane.org, netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, eric.dumazet-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org To: jesse-l0M0P4e3n4LQT0dZR+AlfA@public.gmane.org, davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dev-bounces-yBygre7rU0TnMu66kgdUjQ@public.gmane.org Errors-To: dev-bounces-yBygre7rU0TnMu66kgdUjQ@public.gmane.org List-Id: netdev.vger.kernel.org Respin of the zerocopy patches for the openvswitch upcall. V3: - Removed unneeded alignment of nlmsg_len after padding V2: - Added skb_zerocopy_headlen() to calculate headroom of destination buffer. This also takes care of the from->head_frag issue. - Attribute alignment for frag_list case - API documentation - performance data for CHECKSUM_PARTIAL tx case Thomas Graf (2): net: Export skb_zerocopy() to zerocopy from one skb to another openvswitch: Use skb_zerocopy() for upcall include/linux/skbuff.h | 3 ++ net/core/skbuff.c | 85 ++++++++++++++++++++++++++++++++++++ net/netfilter/nfnetlink_queue_core.c | 59 ++----------------------- net/openvswitch/datapath.c | 52 +++++++++++++++++++--- 4 files changed, 137 insertions(+), 62 deletions(-) -- 1.8.3.1